CN210828785U

CN210828785U - Pulley structure for sliding door

Info

Publication number: CN210828785U
Application number: CN201921564218.4U
Authority: CN
Inventors: 叶乃辉
Original assignee: Te Mei Long Hardware Products Co ltd
Current assignee: Te Mei Long Hardware Products Co ltd
Priority date: 2019-09-19
Filing date: 2019-09-19
Publication date: 2020-06-23
Anticipated expiration: 2029-09-19

Abstract

The utility model discloses a pulley structure for push-and-pull door, including wheel subassembly and mounting panel, mounting panel fixed mounting has the rotational pin, but the rotational pin assembles with rocking arm relatively rotating, the drive pin is arranged in the positive slot hole of push-and-pull board, the oblique slot hole of push-and-pull board is arranged in to the guide post, wheel subassembly is installed at the rocking arm both ends, it has the pendulum pin to turn round some extension board fixed mounting, the pendulum pin can install the swing arm relatively rotating, swing arm fixed mounting has the drive pin, the drive pin can install the actuating arm relatively rotating, wheel subassembly is installed to the swing arm, the mounting panel passes through first adjusting screw and connects the push-and-pull board, the mounting panel passes through second adjusting. The utility model aims at providing a pulley structure for push-and-pull door, it can be in two directions independent adjustment pulley positions.

Description

Pulley structure for sliding door

Technical Field

The utility model relates to a pulley part technical field that sliding door was used, concretely relates to pulley structure for sliding door.

Background

At present, a sliding door is a door structure which is common in daily life. Sliding door generally can set up installation pulley structure at the door leaf top and reduce the push-and-pull resistance and prevent that the door leaf is not hard up from beginning to end, pulley structure's pulley is generally arranged in the groove of fixed slide rail, the groove width of slide rail is not unified, and the difficult accuracy in mounting height position, current pulley structure's pulley can only a direction adjustment, can adapt to slide rail groove width, nevertheless can not adapt to slide rail mounting height position, when pushing away the door leaf fast, because the door height direction does not have spacingly, so the condition of beating can appear in the door leaf, even derail produces danger.

Disclosure of Invention

An object of the utility model is to overcome prior art's not enough, provide a pulley structure for push-and-pull door, it can be in two directions independent adjustment pulley positions.

The purpose of the utility model is realized by the following technical scheme.

The utility model comprises a wheel component and a mounting plate, wherein the mounting plate is provided with a push-pull plate, the push-pull plate is provided with an inclined long hole, the push-pull plate is provided with a regular long hole, the push-pull plate is provided with a rotating arm, the rotating arm is provided with a guide post, the mounting plate is fixedly provided with a rotating pin, the rotating pin and the rotating arm can be assembled in a relatively rotating way, a transmission pin is arranged in the regular long hole, the guide post is arranged in the inclined long hole, wheel components are arranged at the two ends of the rotating arm, the mounting plate is provided with a turning point support plate, the turning point support plate is fixedly provided with a swinging pin, the swinging pin can be relatively rotatably provided with a swinging arm, the swinging arm is fixedly provided with a driving pin, the driving pin can be relatively rotatably provided with a driving arm, the swinging arm is provided with the wheel component, the, the driving arm is connected with a second adjusting screw for driving the driving arm to move relative to the mounting plate, the mounting plate is connected with the push-pull plate through the first adjusting screw, and the mounting plate is connected with the driving arm through the second adjusting screw.

Preferably, still include limit clip, limit clip is equipped with two card holes, adjusting screw one end is equipped with screw thread portion, adjusting screw's the other end is equipped with the screwhead, the screwhead with be equipped with the concave groove between the screw thread portion, two adjusting screw's concave groove respectively with two the cooperation installation of card hole, screwhead and limit clip are located respectively the both sides of mounting panel, two adjusting screw's screw thread portion respectively with push-and-pull board and actuating arm spiro union.

Preferably, the clamping hole is provided with a bell mouth used for guiding the concave ring groove during insertion and installation, and the bell mouth is communicated with the clamping hole.

Preferably, the screw head is provided with a cross-shaped recess for the driving operation of a screwdriver.

Preferably, the turning point support plate and the mounting plate are integrally arranged.

Preferably, the pivot pin is mounted at a central position of the pivot arm.

Preferably, the distance between the drive pin axis and the swing pin axis is less than the distance between the wheel assembly axis mounted on the swing arm and the swing pin axis.

Compared with the prior art, the utility model, its beneficial effect as follows: mounting panel fixed mounting has the rotating pin, the rotating pin can be assembled with the rocking arm with rotating relatively, the drive pin is arranged in the positive slot hole of push-and-pull board, the oblique slot hole of push-and-pull board is arranged in to the guide post, the wheel subassembly is installed at the rocking arm both ends, it has the pendulum pin to change point extension board fixed mounting, the swing arm can be installed with rotating relatively to the pendulum pin, swing arm fixed mounting has the drive pin, the drive pin can install the actuating arm with rotating relatively, the wheel subassembly is installed to the swing arm, the mounting panel passes through first adjusting screw and connects the push-and-pull board, the mounting panel passes through second adjusting screw and connects the actuating arm, through such device, make the utility model discloses can realize the position of two.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is a reverse perspective view of the present invention.

Fig. 3 is an exploded view of the present invention.

Fig. 4 is a square perspective view of the present invention.

Fig. 5 is a state diagram of the rotating arm of the present invention after rotating a certain angle.

Fig. 6 is a partial top view of the rotating arm of the present invention after rotating a certain angle.

Fig. 7 is a perspective view of the limit clip of the present invention.

Description of reference numerals: 1-mounting a plate; 101-turning point support plate; 2-a push-pull plate; 201-inclined long hole; 202-right long hole; 3-a driving arm; 4-swing arm; 5-rotating arm; 501-a guide post; 6-swinging pin; 601-swing arm spacing ring; 7-a drive pin; 8-a rotation pin; 9-a wheel assembly; 901-wheel axle; 902-a bearing; 903-plastic wheel; 10-adjusting screws; 1001-concave ring groove; 1002-screw head; 1003-a threaded portion; 1004-cross slot; 11-a limit clip; 1101-card hole; 1102-flare.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

As shown in fig. 3, the present invention includes a prior art wheel assembly 9, which includes a wheel axle 901 and a bearing 902 fitted thereon, and a plastic wheel 903 fitted outside the bearing 902.

As shown in fig. 1 to 3, the present invention further includes an "L" shaped mounting plate 1 formed by bending a steel plate, the upper side of the mounting plate 1 is provided with an "L" shaped push-pull plate 2 formed by bending a steel plate, the push-pull plate 2 is provided with an inclined long hole 201, that is, the length direction of the inclined long hole 201 forms an included angle with the length direction of the push-pull plate 2, the push-pull plate 2 is provided with an inclined long hole 202, the length direction of the inclined long hole 202 is parallel to the length direction of the push-pull plate 2, the upper side of the push-pull plate 2 is provided with a rotating arm 5, the rotating arm 5 is provided with a guide post 501, the mounting plate 1 is fixedly provided with a rotating pin 8 through interference fit, the rotating pin 8 is rotatably assembled with the hole of the rotating arm 5, the driving pin 8 is arranged in the inclined long hole 202, specifically, the width of the inclined long hole 202 is slightly larger than the diameter of the driving pin 8, the, as shown in fig. 4, the guide column 501 is disposed in the slanted slot 201, specifically, the diameter of the guide column 501 is slightly smaller than the width of the slanted slot 201, wheel assemblies 9 are mounted at both ends of the rotating arm 5, an axle 901 of the wheel assembly 9 is fixed by interference fit, and the rotatable part is an outer ring of a bearing 902 and a plastic wheel 903 sleeved thereon.

The mounting panel 1 is equipped with and changes some extension board 101, it has pendulum pin 6 to change some extension board 101 through interference fit fixed mounting, but pendulum pin 6 installs swing arm 4 relatively rotatoryly, as shown in fig. 4, pendulum pin 6 still has a swing arm spacing ring 601 through interference fit fixed mounting in the outside of swing arm 4 for prevent that swing arm 4 from falling out, swing arm 4 has drive round pin 7 through interference fit fixed mounting, drive round pin 7 can install actuating arm 3 relatively rotatoryly, install swing arm 4 wheel unit 9.

The push-pull plate 2 is connected with a first adjusting screw 10 for driving the push-pull plate 2 to move relative to the mounting plate 1, the driving arm 3 is connected with a second adjusting screw 10 for driving the driving arm 3 to move relative to the mounting plate 1, the mounting plate 1 is connected with the push-pull plate 2 through the first adjusting screw 10, and the mounting plate 1 is connected with the driving arm 3 through the second adjusting screw 10.

Further, as shown in fig. 2 and 7, the wheel assembly further includes a limit clip 11, the limit clip 11 is provided with two clipping holes 1101, as shown in fig. 4, one end of the adjusting screw 10 is provided with a threaded portion 1003, the other end of the adjusting screw 10 is provided with a screw head 1002, a concave ring groove 1001 is provided between the screw head 1002 and the threaded portion 1003, the concave ring grooves 1001 of the two adjusting screws 10 are respectively installed in cooperation with the two clipping holes 1101, the screw head 1002 and the limit clip 11 are respectively located at two sides of the mounting plate 1, the threaded portions 1003 of the two adjusting screws 10 are respectively screwed with the push-pull plate 2 and the driving arm 3, by such arrangement, the utility model can push and pull the driving arm 3 or the push-pull plate 2 by rotating the adjusting screws 10, the structure is simple, the screw thread has a self-locking function, and when the wheel assembly 9 is subjected to an external sliding rail, the mounting plate 1 and the two adjusting screws 10 are not in threaded connection, and the adjusting screws 10 directly penetrate through corresponding holes of the mounting plate 1, so that when the adjusting screws 10 are rotated, the adjusting screws 10 cannot move and only rotate, the driving arms 3 or the push-pull plate 2 can be driven by threads to translate, and the design that the adjusting screws 10 do not translate is convenient to operate.

Further, as shown in fig. 7, the fastening hole 1101 is provided with a flare 1102 for guiding the groove 1001 during insertion and installation, the flare 1102 is communicated with the fastening hole 1101, and as shown in fig. 7, the gap of the fastening hole 1101 is slightly smaller than the diameter of the groove 1001, so that the limit clip 11 is press-fitted to the groove 1001 with some elastic deformation during assembly, which is advantageous for easy and reliable assembly.

Further, as shown in the partially enlarged view of fig. 1, the screw head 1002 is provided with a cross recess 1004 for the driving operation of the screwdriver, so that the arrangement can be easily adjusted since many households have their own screwdrivers.

Further, as shown in fig. 3, the turning point support plate 101 and the mounting plate 1 are integrated, so that welding is not required, and cost reduction is facilitated.

Further, as shown in fig. 3 and 6, the pivot pin 8 is installed at the center of the pivot arm 5, which facilitates the force balance of the wheel assemblies 9 installed at both ends of the pivot arm 5.

Further, as shown in fig. 4, the distance between the axis of the driving pin 7 and the axis of the swing pin 6 is smaller than the distance between the axis of the wheel assembly 9 mounted on the swing arm 4 and the axis of the swing pin 6, so that the driving arm 3 can be driven to translate by rotating the second adjusting screw 10 for a few turns, and the wheel assembly 9 mounted on the swing arm 4 obtains more displacement.

In brief explanation of the working principle of the present invention, when the first adjusting screw 10 is rotated by a screwdriver, the threaded portion 1003 of the first adjusting screw 10 drives the push-pull plate 2 to move horizontally, and at this time, the inclined long hole 201 on the push-pull plate 2 also moves along the same direction, because the center of the rotating arm 5 is equipped with the rotating pin 8, and because the rotating pin 8 cannot move, the rotating arm 5 can only rotate but not move horizontally, at this time, because the guiding column 501 at the lower side of the rotating arm 5 is arranged inside the inclined long hole 201, as shown in fig. 6, when the push-pull plate 2 moves along the left, the inclined long hole 201 pushes the outer wall of the guiding column 501, so that the guiding column 501 moves towards the right side of the inclined long hole 201 relative to the inclined long hole 201, and the actual performance is that the rotating arm 5 rotates around the rotating pin 8, as shown in fig. 5, as a result, the wheel assemblies 9 installed at.

As shown in fig. 4, when the screwdriver is used to rotate the second adjusting screw 10, the driving arm 3 is driven to translate, the driving arm 3 drives the swing arm 4 to rotate around the swing pin 6, and the wheel assembly 9 mounted on the swing arm 4 is driven to rotate, so that the relative position is increased.

By the above, the two sets of wheel assemblies 9 mounted on the swivel arm 5 achieve position adjustment in the width direction, and the wheel assemblies 9 mounted on the swing arm 4 achieve position adjustment up and down.

Claims

1. A pulley structure for sliding doors comprising a wheel assembly (9); the method is characterized in that: the mounting plate is characterized by further comprising a mounting plate (1), a push-pull plate (2) is arranged on the upper side of the mounting plate (1), an inclined long hole (201) is formed in the push-pull plate (2), a regular long hole (202) is formed in the push-pull plate (2), a rotating arm (5) is arranged on the upper side of the push-pull plate (2), a guide post (501) is arranged on the rotating arm (5), a rotating pin (8) is fixedly mounted on the mounting plate (1), the rotating pin (8) and the rotating arm (5) can be assembled in a relatively rotating mode, the rotating pin (8) is arranged in the regular long hole (202), the guide post (501) is arranged in the inclined long hole (201), and wheel assemblies (9) are mounted at two ends;

the mounting plate (1) is provided with a turning point support plate (101), a swing pin (6) is fixedly mounted on the turning point support plate (101), a swing arm (4) is relatively rotatably mounted on the swing pin (6), a driving pin (7) is fixedly mounted on the swing arm (4), a driving arm (3) is relatively rotatably mounted on the driving pin (7), and the wheel assembly (9) is mounted on the swing arm (4);

the push-pull plate (2) is connected with a first adjusting screw (10) used for driving the push-pull plate (2) to move relative to the mounting plate (1), the driving arm (3) is connected with a second adjusting screw (10) used for driving the driving arm (3) to move relative to the mounting plate (1), the mounting plate (1) is connected with the push-pull plate (2) through the first adjusting screw (10), and the mounting plate (1) is connected with the driving arm (3) through the second adjusting screw (10).

2. A pulley structure for sliding doors according to claim 1, characterised in that: still include limit clip (11), limit clip (11) are equipped with two card holes (1101), adjusting screw (10) one end is equipped with screw thread portion (1003), the other end of adjusting screw (10) is equipped with screwhead (1002), screwhead (1002) with be equipped with annular groove (1001) between screw thread portion (1003), two annular groove (1001) of adjusting screw (10) respectively with two card hole (1101) cooperation installation, screwhead (1002) are located respectively with limit clip (11) the both sides of mounting panel (1), two screw thread portion (1003) of adjusting screw (10) respectively with push-and-pull board (2) and actuating arm (3) spiro union.

3. A pulley structure for sliding doors according to claim 2, characterised in that: the clamping hole (1101) is provided with a bell mouth (1102) used for guiding the groove (1001) during insertion and installation, and the bell mouth (1102) is communicated with the clamping hole (1101).

4. A pulley structure for sliding doors according to claim 2, characterised in that: the screw head (1002) is provided with a cross-shaped groove (1004) for the screwing operation of a screwdriver.

5. A pulley structure for sliding doors according to claim 1, characterised in that: the turning point support plate (101) and the mounting plate (1) are arranged into a whole.

6. A pulley structure for sliding doors according to claim 1, characterised in that: the rotating pin (8) is arranged in the middle of the rotating arm (5).

7. A pulley structure for sliding doors according to claim 1, characterised in that: the distance between the axis of the driving pin (7) and the axis of the swing pin (6) is smaller than the distance between the axis of a wheel assembly (9) installed on the swing arm (4) and the axis of the swing pin (6).