Sliding glass module and rear sliding glass assembly including same

1 . A sliding glass system comprising:

a rail;

a sliding glass portion including a heating wire, wherein the sliding glass portion is slidably connected to the rail;

an electrically conductive busbar on the rail; and

a pin module electrically connecting the busbar to the heating wire,

wherein the pin module is configured to maintain contact with the busbar when the sliding glass portion is moved,

wherein the sliding glass portion comprises:

a sliding frame having an opening and an interference prevention groove extending in a width direction of the sliding frame,

a locking portion disposed on the sliding frame and selectively fixing the sliding frame to the rail or switching the sliding frame to a slidably movable state, and

a sliding glass coupled to a first sliding-frame surface of the sliding frame, wherein the sliding glass is configured to cover the opening of the sliding frame, and wherein the sliding glass includes the heating wire, and

wherein the pin module is configured to be slidable along the interference prevention groove.

2 . The system of claim 1 , wherein the busbar comprises:

a first busbar inserted at least partially inside the rail and configured to be electrically connected to one of a negative terminal or a positive terminal of an external power source; and

a second busbar inserted at least partially inside the rail and configured to be electrically connected to another of the negative terminal or the positive terminal of the external power source.

3 . The system of claim 2 , wherein the pin module comprises:

a first pin module on a first side of the sliding glass portion in a length direction and contacting the first busbar; and

a second pin module on a second side of the sliding glass portion in the length direction and contacting the second busbar.

4 . The system of claim 3 , wherein the first pin module comprises:

a sleeve coupled to the sliding glass portion;

a first pin member slidably inserted into the sleeve and contacting the first busbar;

a first heating wire electrically connecting the first pin member to the heating wire; and

a first elastic support portion configured to apply an elastic force to bias the first pin member toward the first busbar.

5 . The system of claim 4 , wherein the first pin member comprises:

a first body part extending through the sleeve and having both end portions thereof exposed to an outside of the sleeve; and

a first head part at a first end of the end portions of the first body part and contacting the first busbar.

6 . The system of claim 5 , wherein the first elastic support portion supports a second end of the end portions of the first body part.

7 . The system of claim 4 , wherein the first elastic support portion comprises:

a first holder supporting a first-pin-member portion of the first pin member not in contact with the first busbar; and

a first elastic member connected to the first holder and configured to apply the elastic force to the first holder.

8 . The system of claim 3 , wherein the second pin module comprises:

a second elastic support portion connected to the sliding glass portion;

a second pin member slidably inserted into and connected to the second elastic support portion and having a first end in contact with the second busbar; and

a second heating wire electrically connecting a second end of the second pin member to the heating wire,

wherein the second elastic support portion is configured to apply an elastic force to bias the second pin member toward the second busbar.

9 . The system of claim 8 , wherein the second elastic support portion comprises:

a second holder slidably coupled to the sliding glass portion and into which the second pin member is slidably inserted; and

a second elastic member having a first second-elastic-member portion in contact with the second pin member and a second second-elastic-member portion in contact with a surface of the second holder and configured to apply the elastic force to the second pin member.

10 . A sliding glass system comprising:

a rail;

a sliding glass portion including a heating wire, wherein the sliding glass portion is slidably connected to the rail;

an electrically conductive busbar on the rail; and

a pin module electrically connecting the busbar to the heating wire,

wherein the pin module is configured to maintain contact with the busbar when the sliding glass portion is moved,

wherein the sliding glass portion comprises:

a sliding frame having an opening and an interference prevention groove extending in a width direction of the sliding frame;

a locking portion disposed on the sliding frame and selectively fixing the sliding frame to the rail or switching the sliding frame to a slidably movable state;

a sliding glass coupled to a first sliding-frame surface of the sliding frame, wherein the sliding glass is configured to cover the opening of the sliding frame and wherein the sliding glass includes the heating wire; and

a weather strip disposed on the sliding frame and wrapped around an edge of the sliding glass,

wherein the pin module is configured to be slidable along the interference prevention groove.

11 . The system of claim 10 , wherein the locking portion comprises:

a guide stopper having a first guide-stopper side exposed to an outside of the sliding frame and inserted into a guide groove formed in the rail;

a guide stopper elastic support portion configured to apply an elastic force to the guide stopper; and

a handle module configured to pull the guide stopper into the sliding frame.

12 . The system of claim 11 , wherein the handle module comprises:

a knob rotatably coupled to the sliding frame;

a timing lever connected to the knob and configured to slide inwardly or outwardly of the knob based on a rotational direction of the knob;

a timing slider having a first timing-slider end connected to the timing lever and configured to move in conjunction with a movement of the timing lever; and

a connecting wire having a first connecting-wire end connected to the timing slider and having a second connecting-wire end connected to the guide stopper.

13 . The system of claim 11 , wherein the rail comprises:

an upper rail disposed above the sliding frame, and

a lower rail disposed below the sliding frame;

and

wherein the guide groove comprises:

an upper guide groove on the upper rail, and

a lower guide groove on the lower rail.

14 . The system of claim 13 , wherein the upper guide groove comprises a busbar insertion slit, and wherein the busbar is inserted into the busbar insertion slit so that one end portion thereof protrudes to an inside of the upper guide groove.

15 . The system of claim 13 , wherein the upper guide groove comprises:

a first upper guide groove extending on a first upper-rail-longitudinal side of the upper rail, and

a second upper guide groove extending on a second upper-rail-side of the upper rail;

and wherein the lower guide groove comprises:

a first lower guide groove extending on a first lower-rail-longitudinal side of the lower rail, and

a second lower guide groove extending on a second lower-rail-longitudinal side of the lower rail.

16 . The system of claim 15 , wherein the second upper guide groove comprises:

an upper fixed groove part recessed inwardly from a bottom surface of the upper rail by a first depth, and

an upper movable groove part recessed inwardly from the bottom surface of the upper rail by a second depth so as to be connected to the upper fixed groove part in a first width direction of the upper rail and extending in a first length direction of the upper rail; and

wherein the second lower guide groove comprises:

a lower fixed groove part recessed inwardly from an upper surface of the lower rail by a third depth, and

a lower movable groove part recessed inwardly from the upper surface of the lower rail by a fourth depth so as to be connected to the lower fixed groove part in a second width direction of the lower rail and extending in a second length direction of the lower rail.

17 . The system of claim 16 , wherein the guide stopper comprises:

an upper guide stopper inserted into the second upper guide groove; and

a lower guide stopper inserted into the second lower guide groove.

18 . The system of claim 17 , wherein the sliding frame is configured to be fixed based on

the upper guide stopper and the lower guide stopper being respectively arranged in the upper fixed groove part and the lower fixed groove part, and

wherein the sliding frame is configured to be movable along the rail based on the upper guide stopper and the lower guide stopper being respectively arranged in the upper movable groove part and the lower movable groove part.

19 . The system of claim 17 , wherein, in response to the handle module pulling the upper guide stopper and the lower guide stopper toward an inside of the sliding frame, the upper guide stopper is configured to move from the upper fixed groove part to the upper movable groove part, and the lower guide stopper is configured to move from the lower fixed groove part to the lower movable groove part.

20 . A rear sliding glass assembly comprising:

a fixed glass installed in a vehicle, wherein the fixed glass has an opening; and

a sliding glass system connected to the fixed glass, wherein the sliding glass system is configured to open and close the opening, and wherein the sliding glass system comprises:

a rail;

a sliding glass portion including a heating wire, wherein the sliding glass portion is slidably connected to the rail;

an electrically conductive busbar on the rail and connected to an external power source; and

a pin module electrically connecting the busbar to the heating wire, wherein the pin module is configured to maintain contact with the busbar when the sliding glass portion is moved,

wherein the sliding glass portion comprises:

a sliding frame having an opening and an interference prevention groove extending in a width direction of the sliding frame,

a locking portion disposed on the sliding frame and selectively fixing the sliding frame to the rail or switching the sliding frame to a slidably movable state, and

a sliding glass coupled to a first sliding-frame surface of the sliding frame, wherein the sliding glass is configured to cover the opening of the sliding frame and wherein the sliding glass includes the heating wire, and

wherein the pin module is configured to be slidable along the interference prevention groove.