Mounting device of sprinkler

1. A mounting device of a sprinkler comprising: a pair of support rails fixed on a ceiling parallel to each other; a support bar fixed between the support rails; a mounter for fixing the support bar and the support rail together; and a mounting bracket for fixing the sprinkler reducer to the support bar, wherein the mounter comprises:

a main body provided with a pair of side plates and an upper plate disposed on upper portions of the side plates;

a rail mounting portion formed at lower ends of the side plates and insertedly fixed to the support rail;

a support bar fixing portion formed at an upper side of the main body, for supporting the support bar; and

a locking member inserted in the side plates in a lateral direction, for preventing the rail mounting portion from being separated from the support rail, wherein the locking member comprises a first plate having a pair of slots which are inserted in the respective side plates, and second plates extending vertically from both sides of the first plate for supporting a lower surface of the support bar.

2. The mounting device of claim 1 , wherein the rail mounting portion comprises:

a stopping projection bent inward at lower ends of the side plates, and inserted into and caught by the mounter fixing portion of the support rail; and

a contact portion bent downward at both end portions of the stopping projection and coming in contact with both sides of a rail portion of the support rail.

3. The mounting device of claim 1 , wherein the support bar fixing portion comprises:

a through hole penetratingly formed at a pair of side plates, through which the support bar penetrates; and

a locking bolt screw-coupled to a bolt coupling hole formed on the upper plate of the main body, for fixing the support bar having penetrated the through hole.

4. The mounting device of claim 1 , wherein a third plate for reinforcement of the locking member is formed vertically at the rear of the first plate.

5. The mounting device of claim 1 , wherein a guide portion for facilitating insertion of the slot into the side plate is formed at an inlet of the slot.

6. The mounting device of claim 1 , wherein a groove to which the slot of the first plate is inserted is formed at the side plates.

7. The mounting device of claim 1 , wherein a movement preventing projection at which a lower surface of the support bar is caught is formed at an upper surface of the second plate so that the support bar inserted in the through hole formed at the side plate is prevented from moving from side to side.

8. A mounting device of a sprinkler comprising:

a main body including a pair of side plates having a through hole in which a support bar is inserted and a groove, and an upper plate disposed on the side plates;

a rail mounting portion bent inward at lower ends of the side plates and fixed to a mounter fixing portion of a support rail;

a locking bolt coupled to an upper plate of the main body, for fixing the support bar; and

a locking member including a first plate having a pair of slots inserted into the groove of the side plates, and second plates extending upward from both sides of the first plate, the second plate for supporting a lower surface of the support bar.

9. The mounting device of claim 8 , wherein the mounting device is substantially vertically oriented, wherein the mounter fixing portion has a height in a range defined between a maximum height and a minimum height, and wherein h>h 1 +(h 2 −h 3 ), H 1 >(h 2 −h 3 ), and H 2 >(h 2 −h 3 )+h 4 , where h denotes a height of the through hole, H 1 denotes a height of the groove, H 2 denotes a height of the second plate of the locking member, h 1 denotes a height of the support bar, h 2 denotes the maximum height of the mounter fixing portion, h 3 denotes the minimum height of the mounter fixing portion, and h 4 denotes a distance between the through hole and the groove.