Ceramic grill hinge structure and ceramic grill using same

1 . A ceramic grill hinge structure, comprising a hinge upper cover, a hinge lower cover rotatably engaged with said hinge upper cover, and an adjusting and supporting mechanism arranged between said hinge upper cover and said hinge lower cover; and

wherein, said hinge upper cover comprises a supporting shaft, at least one rotatable shaft sleeve is arranged on said supporting shaft, and said hinge lower cover is provided with at least two arc-shaped grooves, and said two arc-shaped grooves receive the two ends of said supporting shaft and allow the two ends of said supporting shaft to move therein; and

wherein said adjusting and supporting mechanism comprises an adjusting component and an elastic member, wherein said adjusting component comprises an adjusting shaft with a threaded part and an adjusting member arranged on said adjusting shaft, wherein said adjusting shaft further comprises a supporting part, wherein one end of said elastic member is pressed against said adjusting member, and the other end of said elastic member is pressed against said hinge lower cover; and

wherein, said supporting part is provided with a limiting groove which receives and supports said shaft sleeve, and said adjusting member is operable to change an elastic force of said elastic member.

2 . The ceramic grill hinge structure according to claim 1 , wherein said hinge lower cover is provided with at least one lower connecting arm; and said hinge upper cover is provided with at least one upper connecting arm corresponding to said lower connecting arm; and said lower connecting arm and said hinge lower cover are connected through a lower arm fastening nut and a lower arm fastening bolt; and said lower connecting arm is provided with a lower arm adjusting hole which is a rectangular through hole; and said hinge lower cover is provided with a lower arm mounting hole; and said lower arm mounting hole is a circular through hole; and

the two ends of said supporting shaft are provided with supporting shaft nuts which are located in said arc-shaped grooves, and maximum opening and closing angles of said hinge lower cover and said hinge upper cover are limited by said arc-shaped grooves; and

said adjusting and supporting mechanism comprises a spring base arranged at a bottom of said hinge lower cover, and said adjusting shaft is arranged in said spring base; and an end of said adjusting shaft far away from said supporting shaft penetrates the bottom of said hinge lower cover, the end of said adjusting shaft far away from said supporting shaft is provided with a safety nut; and said adjusting member comprises an adjusting nut arranged below said supporting part and a gland arranged below said adjusting nut, and said elastic member is retractable between said spring base and said gland.

3 . The ceramic grill hinge structure according to claim 2 , wherein said hinge upper cover is provided with an upper stopper, and a plane with a largest area of said upper stopper close to said upper connecting arm is defined as a reverse side, and a plane with a largest area of said upper stopper far from said upper connecting arm is defined as a front side, and said upper stopper covers said supporting shaft when viewed in a direction perpendicular to said front side of said upper stopper and from the front side of said upper stopper toward the reverse side of said upper stopper.

4 . The ceramic grill hinge structure according to claim 2 , wherein two sides of said hinge lower cover are also fixedly connected with protective covers, and the two sides of said hinge lower cover are provided with first protective cover mounting holes, and two sides of said protective cover are provided with second protective cover mounting holes corresponding to said hinge lower cover; and connectors pass through both said first protective cover mounting holes and said second protective cover mounting holes to connect said hinge lower cover and said protective covers.

5 . The ceramic grill hinge structure according to claim 2 , wherein a reinforcing pad is arranged between said hinge lower cover and said spring base.

6 . The ceramic grill hinge structure according to claim 2 , wherein one upper connecting arm is provided with at least three first grill connecting holes, and center points of all said first grill connecting holes on one upper connecting arm are not on a same straight line; and

one lower connecting arm is provided with at least three second grill connecting holes, and center points of all said second grill connecting holes on one lower connecting arm are not on a same straight line.

7 . The ceramic grill hinge structure according to claim 2 , wherein said spring base has an inverted T-shaped outer contour, said spring base has a penetrating base through-hole, and is provided with a spring limiting groove which limits said elastic member; and said spring base is provided with a first base fastening hole, and a bottom of said hinge lower cover is provided with a second base fastening hole corresponding to said first base fastening hole, and a base fastener passes through the first base fastening hole and the second base fastening hole to fix the spring base on the hinge lower cover.

8 . A ceramic grill, comprising a grill body, a grill top cover, and a hinge structure connecting said grill body and said grill top cover; and

wherein, said hinge structure comprises a hinge upper cover, a hinge lower cover rotatably engaged with said hinge upper cover, and an adjusting and supporting mechanism arranged between said hinge upper cover and said hinge lower cover; and wherein, said hinge upper cover comprises a supporting shaft and at least one upper connecting arm, at least one rotatable shaft sleeve is arranged on said supporting shaft, and said hinge lower cover comprises at least one lower connecting arm and is provided with at least two arc-shaped grooves, and said two arc-shaped grooves receive the two ends of said supporting shaft and allow the two ends of said supporting shaft to move therein; and wherein said adjusting and supporting mechanism comprises an adjusting component and an elastic member, wherein said adjusting component comprises an adjusting shaft with a threaded part and an adjusting member arranged on said adjusting shaft, wherein said adjusting shaft further comprises a supporting part, wherein one end of said elastic member is pressed against said adjusting member, and the other end of said elastic member is pressed against said hinge lower cover; and wherein, said supporting part is provided with a limiting groove which receives and supports said shaft sleeve, and said adjusting member is operable to change an elastic force of said elastic member; and

wherein, said hinge structure is detachably attached to said grill top cover through said upper connecting arm, and said hinge structure is detachably attached to said grill body through said lower connecting arm.

9 . The ceramic grill according to claim 8 , wherein said lower connecting arm and said hinge lower cover are connected with a lower arm fastening nut and a lower arm fastening bolt, and said lower connecting arm is provided with a lower arm adjusting hole which is a rectangular through hole, and said hinge lower cover is provided with said lower arm mounting hole which is a circular through hole; and

two ends of said supporting shaft are provided with supporting shaft nuts which are located in said arc-shaped grooves, and maximum opening and closing angles of said hinge lower cover and said hinge upper cover are limited by said arc-shaped grooves; and

said adjusting and supporting mechanism comprises a spring base arranged at a bottom of said hinge lower cover, and said adjusting shaft is arranged in said spring base; and an end of said adjusting shaft far away from said supporting shaft penetrates the bottom of said hinge lower cover, the end of said adjusting shaft far away from said supporting shaft is provided with a safety nut; and said adjusting member comprises an adjusting nut arranged below said supporting part and a gland arranged below said adjusting nut, and said elastic member is retractable between said spring base and said gland.

10 . The ceramic grill according to claim 8 , wherein said hinge upper cover is provided with an upper stopper, and a plane with a largest area of said upper stopper close to said upper connecting arm is defined as a reverse side, and a plane with a largest area of said upper stopper far from said upper connecting arm is defined as a front side, and said upper stopper said supporting shaft when viewed in a direction perpendicular to said front side of said upper stopper and from the front side of said upper stopper toward the reverse side of said upper stopper.

11 . The ceramic grill according to claim 8 , wherein two sides of said hinge lower cover are also fixedly connected with protective covers, and the two sides of said hinge lower cover are provided with first protective cover mounting holes, and two sides of said protective cover are provided with second protective cover mounting holes corresponding to said hinge lower cover; and connectors pass through both said first protective cover mounting holes and said second protective cover mounting holes to connect said hinge lower cover and said protective covers.

12 . The ceramic grill according to claim 9 , wherein a reinforcing pad is arranged between said hinge lower cover and said spring base.

13 . The ceramic grill according to claim 8 , wherein there are at least two upper connecting arms and at least two lower connecting arms; and

one of said upper connecting arms is provided with at least three first grill connecting holes, and center points of all said first grill connecting holes on one of said upper connecting arms are not on a same straight line; and

one of said lower connecting arms is provided with at least three second grill connecting holes, and center points of all said second grill connecting holes on one of said lower connecting arms are not on a same straight line.

14 . The ceramic grill according to claim 9 , wherein said spring base has an inverted T-shaped outer contour, said spring base has a penetrating base through-hole, and is provided with a spring limiting groove which limits said elastic member; and said spring base is provided with a first base fastening hole, and a bottom of said hinge lower cover is provided with a second base fastening hole corresponding to said first base fastening hole, and a base fastener passes through the first base fastening hole and the second base fastening hole to fix the spring base on the hinge lower cover.

15 . The ceramic grill hinge structure according to claim 14 , wherein a reinforcing beam is connected between said supporting shaft and said hinge upper cover, a width of two sides of said hinge upper cover is smaller than that of said hinge lower cover; and said hinge upper cover is partially covered by said hinge lower cover, an inner diameter of a circumferential outer edge of said gland is larger than that of said elastic member, an outer diameter of said base through hole of said spring base is smaller than that of said elastic member, and an inner diameter of said spring limiting groove is larger than an outer diameter of said elastic member; and the bottom of said hinge lower cover is provided with an adjusting shaft through hole, said adjusting shaft passes through said adjusting shaft through hole, and a maximum diameter of said safety nut is larger than that of said adjusting shaft through hole.