TWM449189U - Sliding door roller - Google Patents

Description

Sliding door pulley

A hardware fitting for interior decoration of a building, in particular a sliding door pulley for carrying a sliding door and providing a sliding displacement thereof.

The sliding door is generally divided into two types: an upper rail type and a lower rail type; here, the lower rail type of the pulley is mounted on the bottom of the sliding door, and the prior art is used for comparison. Related prior art such as "Reinforcement Structure Improvement" of the Republic of China Patent Certificate No. 549334; the prior art discloses a method of installing a sliding door at the bottom of the sliding door so that the sliding door can be moved up the track by the pulley block, and the pulley block comprises a casing. A wheel set is mounted in the casing, the wheel set is composed of a roller and a wheel seat, and a shaft hole is arranged on one side of the bottom edge of the wheel set, and a shaft hole corresponding to one side of the bottom edge of the casing is provided by a shaft rod. The shaft is set, the 轮 wheel set pivots with the shaft as the axis, and the upper part of the wheel set is provided with an opening clamp, the clip is clamped with the sheet body, and the screw is screwed through the inside of the shell The body is provided with the function of adjusting the wheel set.

It can be clearly seen from the above prior art that when the manufacturer implements the production, in order to prevent the roller from being stuck with the track, the size of the track must be relatively larger than that of the roller; therefore, When the sliding door is mounted on the pulley block and slides in conjunction with the rail, the roller and the rail are bound to have a gap. Although it does not cause derailment, the gap between the roller and the rail is not smooth. Sliding displacement, and there is a problem of sloshing, so that when the roller is in contact with the rail, it will make a huge sliding sound, which causes consumer dissatisfaction; the above various defects are subject to further research and development by the relevant industry. Improve it.

Therefore, the main object of the present invention is to solve the above problems of the prior art. The grooved wheel surface design of the present invention not only provides a phenomenon that the sliding door is less prone to derailment when the force is moved, but also makes the movement smooth, and there is no problem of swaying, so that the sliding door pulley and the push-pull can be greatly reduced. The noise problem caused by the door rail contacting the friction.

In order to achieve the above object, the present invention provides a sliding door pulley for carrying a sliding door and sliding displacement by a guide provided by a sliding door track, the sliding door pulley comprising: a main seat, the main seat The body has a central opening with a central opening, each side of the bottom plate extending a side plate; a wheel seat having a hole, each side of the hole extending a side wing axially connected to the side plate; and a pulley in the hole and axially coupled to the side wing, and the pulley has an arcuate grooved tread.

Further, a wheel side surface is extended on each side of the groove wheel surface.

Further, at least two fixing holes for connecting with the sliding door are opened on the bottom plate.

Further, the bottom plate has at least one elongated through hole between the fixing holes.

Further, an adjusting rod screwed to the wheel seat is disposed in the through hole from bottom to top.

Further, the outer edge of the adjusting rod is sleeved with a compression spring between the bottom plate and the wheel base.

Further, a screw hole is formed in the wheel base for engaging with the adjusting rod, and an auxiliary nut matched with the adjusting rod is also disposed between the screw hole and the compression spring.

Further, the side plate and the side wing respectively have corresponding shaft holes and shaft holes, and the shaft holes and the shaft holes are connected by a shaft column to connect the wheel base and the main seat shaft Pick up.

The detailed description and technical content of this new model are as follows:

First, please refer to FIG. 1 and FIG. 2 simultaneously, which are schematic exploded perspective views of the preferred embodiment of the present invention. As can be clearly seen from the figure, a sliding door pulley 10 of the present invention is used for carrying a sliding door 80 and slidingly displaced by a guide provided by a sliding door rail 100, the sliding door pulley 10 includes a main body 20 having a centrally open bottom plate 21, and a side plate 24 extending from each side of the bottom plate 21; a wheel base 30 having a hole 31, the hole 31 a side wing 33 extending from the side plate 24; and a pulley 40 disposed in the hole 31 and axially coupled to the side wing 33; that is, on the side plate 24 and the side wing 33 Corresponding shaft hole 241 and shaft hole 331 are respectively provided, and the shaft hole 241 and the shaft hole 331 can be pivotally connected to the main seat body 20 by a shaft column 60; The pulley 40 has an arc-shaped grooved tread 41, and a groove side 42 extends from each side of the grooved wheel surface 41. In addition, the bottom plate 21 can be provided with at least two for the sliding door 80. a fixing hole 22 is connected, and the bottom plate 21 has at least one elongated through hole 23 between the fixing holes 22, and the through hole 23 is bottom-up. The adjusting rod 50 is screwed to the wheel base 30; the outer edge of the adjusting rod 50 is sleeved with a compression spring 70 interposed between the bottom plate 21 and the wheel base 30; finally, the wheel base 30 can be opened. There is a screw hole 32 that is coupled to the adjusting rod 50, and an auxiliary nut 321 that is coupled to the adjusting rod 50 may be disposed between the screw hole 32 and the compression spring 70.

Please also refer to "Figure 3" and "Figure 4" at the same time, which is a schematic diagram of the implementation of the sliding door pulley and the sliding door track of the present invention. As can be clearly seen from the figure, the sliding door pulley 10 of the present invention is fixed under a sliding door 80 and is provided by a sliding door which is matched with the grooved tread 41 of the pulley 40. Above the convex rail surface 101 of the rail 100, the sliding door pulley 10 is guided to slide the sliding door 80; wherein the sliding door rail 100 has at least one engaging portion 104 under the sliding door rail 100, and the engaging portion 104 The sliding door rails 100 are fixed to the sliding door rails 100. The sliding door rails 100 are respectively provided with a side baffle 102 on both sides of the convex rail surface 101, and the convex rail surface 101 and the side baffle 102 are respectively disposed. A receiving groove 103 for receiving the wheel edge 42 is formed between the two. According to the design of the grooved wheel surface 41 of the present invention, in addition to providing the phenomenon that the sliding door 80 is less prone to derailment when the force is moved, the movement is smooth, and there is no problem of swaying, so that the sliding can be greatly reduced. The noise problem that the sliding door pulley 10 emits when it comes into contact with the sliding door rail 100.

Although the present invention has been disclosed above in the preferred embodiments, it is not intended to limit the present invention. Any modification or refinement made by those skilled in the art without departing from the spirit and scope of the present invention shall be covered by the present invention. Therefore, the scope of protection of the present invention is defined by the scope of the appended patent application. Prevail.

10‧‧‧Sliding door pulley

20‧‧‧Main seat

21‧‧‧floor

22‧‧‧Fixed holes

23‧‧‧Perforation

24‧‧‧ side panels

241‧‧‧Axis hole

30‧‧‧ wheel seat

31‧‧‧ hole

32‧‧‧ screw holes

321‧‧‧Auxiliary nut

33‧‧‧Flanking

331‧‧‧ shaft hole

40‧‧‧ pulley

41‧‧‧ Groove tread

42‧‧‧ wheel side

50‧‧‧ adjustment rod

60‧‧‧ shaft column

70‧‧‧Compression spring

80‧‧‧Sliding doors

90‧‧‧Lower frame

100‧‧‧Sliding door track

101‧‧‧ convex rail surface

102‧‧‧ side baffle

103‧‧‧ accommodating slots

104‧‧‧Interface

Figure 1 is an exploded perspective view of the preferred embodiment of the present invention.

Fig. 2 is a schematic view showing the assembly of the "Fig. 1" of the present invention.

Fig. 3 is a schematic view showing the implementation of the "Fig. 2" and the sliding door rail of the present invention.

Fig. 4 is a schematic cross-sectional view showing the embodiment of Fig. 3 of the present invention.

10‧‧‧Sliding door pulley

20‧‧‧Main seat

21‧‧‧floor

22‧‧‧Fixed holes

23‧‧‧Perforation

24‧‧‧ side panels

241‧‧‧Axis hole

30‧‧‧ wheel seat

31‧‧‧ hole

32‧‧‧ screw holes

321‧‧‧Auxiliary nut

33‧‧‧Flanking

331‧‧‧ shaft hole

40‧‧‧ pulley

41‧‧‧ Groove tread

42‧‧‧ wheel side

50‧‧‧ adjustment rod

60‧‧‧ shaft column

70‧‧‧Compression spring

Claims (15)

A sliding door pulley for carrying a sliding door (80) and slidingly displaced by a guide provided by a sliding door rail (100), the sliding door pulley (10) comprising:
a main body (20) having a centrally open bottom plate (21), the bottom plate (21) extending on one side of each side of the plate (24);
a wheel seat (30) having a hole (31), each side of the hole (31) extending a side wing (33) axially connected to the side plate (24);
A pulley (40) disposed in the hole (31) and axially coupled to the side wing (33), and the pulley (40) has an arcuate grooved tread (41). The sliding door pulley of claim 1, wherein a groove side surface (42) extends from each side of the groove wheel surface (41). The sliding door pulley of claim 1 or 2, wherein the bottom plate (21) is provided with at least two fixing holes (22) for connecting with the sliding door (80). The sliding door pulley of claim 1 or 2, wherein the bottom plate (21) has at least one elongated through hole (23) between the fixing holes (22). The sliding door pulley of claim 3, wherein the bottom plate (21) has at least one elongated through hole (23) between the fixing holes (22). The sliding door pulley of claim 4, wherein the through hole (23) is provided with an adjusting rod (50) screwed to the wheel base (30) from bottom to top. The sliding door pulley of claim 5, wherein the through hole (23) is provided with an adjusting rod (50) screwed to the wheel base (30) from bottom to top. The sliding door pulley of claim 6, wherein the outer edge of the adjusting rod (50) is provided with a compression spring (70) interposed between the bottom plate (21) and the wheel base (30). The sliding door pulley of claim 7, wherein the outer edge of the adjusting rod (50) is provided with a compression spring (70) interposed between the bottom plate (21) and the wheel base (30). The sliding door pulley according to claim 8, wherein the wheel base (30) defines a screw hole (32) that is coupled to the adjusting rod (50), and the screw hole (32) and the screw hole (32) An auxiliary nut (321) that is coupled to the adjusting rod (50) is also disposed between the compression springs (70). The sliding door pulley according to claim 9, wherein the wheel base (30) defines a screw hole (32) that is coupled to the adjusting rod (50), and the screw hole (32) and the screw hole (32) An auxiliary nut (321) that is coupled to the adjusting rod (50) is also disposed between the compression springs (70). The sliding door pulley according to claim 1 or 2, wherein the side plate (24) and the side wing (33) respectively have corresponding shaft holes (241) and shaft holes (331), and the shaft The hole (241) and the shaft hole (331) are connected by a shaft column (60) to axially connect the wheel base (30) with the main seat body (20). The sliding door pulley of claim 3, wherein the side plate (24) and the side wing (33) respectively have corresponding shaft holes (241) and shaft holes (331), and the shaft holes ( 241) The shaft hole (331) is pivotally connected to the main seat body (20) by a shaft column (60). The sliding door pulley of claim 4, wherein the side plate (24) and the side wing (33) respectively have corresponding shaft holes (241) and shaft holes (331), and the shaft holes ( 241) The shaft hole (331) is pivotally connected to the main seat body (20) by a shaft column (60). The sliding door pulley of the fifth aspect of the invention, wherein the side plate (24) and the side wing (33) respectively have corresponding shaft holes (241) and shaft holes (331), and the shaft holes ( 241) The shaft hole (331) is pivotally connected to the main seat body (20) by a shaft column (60).