A sliding door unit

By designing a synchronous belt tensioning mechanism in the sliding door unit, and using the cooperation of compression springs and bolts, the problem of door body shaking and untimely response caused by aging and loosening of the synchronization door is solved, and the normal use of the sliding door is achieved.

CN113090154BActive Publication Date: 2025-02-07JIANGSU DEPER GATING TECH CO LTD
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Patent Information

Application Number
CN202010016581.3
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2020-01-08
Publication Date
2025-02-07
Estimated Expiration
2040-01-08

AI Technical Summary

Technical Problem

In existing sliding door units, the synchronization belt aging and loosening after long-term use, resulting in untimely shaking of the door body and motion response, affecting the normal use of the sliding door.

Method used

A sliding door unit including a driving motor, a synchronization belt and a slide rail is designed to achieve tensioning of the synchronization belt through a synchronization belt tensioning mechanism. The mechanism consists of a first mounting plate, a second mounting plate, a connecting rod, a compression spring and a bolt. By loosening the bolt, the first mounting plate is pushed under the action of the compression spring, thereby tensioning the synchronization belt again.

Benefits of technology

Through this design, when the synchronization belt is aging and loose, it can be easily tensioned again, solving the problem of door body shaking and motion response in time, and ensuring the normal use of the sliding door.

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Abstract

The present application discloses a sliding door unit, which belongs to the field of door equipment. It includes a driving motor, a synchronous belt and a slide rail, and also includes a synchronous belt tensioning mechanism and a door body connecting mechanism. The synchronous belt tensioning mechanism includes a first mounting plate, the middle position of the first mounting plate is in an arch shape, and a cavity is formed at the middle position of the bottom of the first mounting plate. A second mounting plate and a connecting rod are provided at the bottom of the first mounting plate. One end of the connecting rod is fixedly mounted on the second mounting plate, and the other end passes through the first mounting plate to the inside of the cavity, and a compression spring seat is provided at the end. A compression spring is sleeved on the segment of the connecting rod located in the cavity, and one end of the compression spring is connected to the compression spring seat, and the other end is connected to the inner wall of the cavity. When the synchronous belt is aged and loosened, by loosening the bolts, the first mounting plate is pushed in the opposite direction of the compression spring seat under the action of the compression spring, so that the synchronous belt is tensioned again, and finally the bolts are tightened. The operation and use are very simple.
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Description

Technical Field

[0001] The present application relates to the field of door equipment, and in particular to a sliding door unit. Background Art

[0002] Most of the sliding doors are electric sliding doors, which are multifunctional. The door body has strict requirements for wind load resistance and is suitable for installation on various factory building structures. The sliding door unit refers to the mechanical equipment used to drive the door body to move horizontally. Its driving components usually include a driving motor, a synchronous pulley and a synchronous belt. The driving motor drives the synchronous pulley and the synchronous belt to rotate, and then the synchronous belt drives the door body to move horizontally. Since the synchronous belt will age and loosen after long-term use, it will cause the door body to shake and the door body movement response is not timely, affecting the normal use of the sliding door. Summary of the invention

[0003] The present application provides a sliding door assembly to solve the problems raised in the background technology.

[0004] A sliding door unit includes a driving motor, a synchronous belt and a slide rail, and also includes a synchronous belt tensioning mechanism and a door body connecting mechanism. The door body connecting mechanism is arranged in the slide rail and connected to the driving motor through a synchronous belt. The synchronous belt tensioning mechanism includes a first mounting plate, and the first mounting plate is connected to the synchronous belt through a synchronous belt pulley. The middle position of the first mounting plate is arched, and a cavity is formed at the middle position of the bottom of the first mounting plate. A second mounting plate and a connecting rod are provided at the bottom of the first mounting plate. One end of the connecting rod is fixedly installed on the second mounting plate, and the other end passes through the first mounting plate to the inside of the cavity, and a compression spring seat is provided at the end. A compression spring is sleeved on the segment of the connecting rod located in the cavity, one end of the compression spring is connected to the compression spring seat, and the other end is connected to the inner wall of the cavity.

[0005] Preferably, a plurality of first connecting holes are provided on both sides of the first mounting plate, and the plurality of first connecting holes are all waist-shaped. A plurality of bolt holes corresponding to the first connecting holes are provided on the second mounting plate. When the first mounting plate and the second mounting plate are connected, they are fixed by respectively inserting bolts into the first connecting holes and the bolt holes.

[0006] Preferably, a fixing plate perpendicular to the second mounting plate is connected to the side of the second mounting plate, and through holes are provided on the fixing plate and the first mounting plate. One end of the connecting rod passes through the through hole and is fixed on the fixing plate, and the other end passes through the through hole to the inside of the cavity, and a compression spring seat is provided at the end.

[0007] Preferably, the door body connecting mechanism includes a mounting plate and a door body connecting plate, the door body connecting plate is used to connect the door body, a vertically arranged sliding groove is provided on the door body connecting plate, a locking screw is inserted in the sliding groove to connect and fix the mounting plate and the door body connecting plate, the mounting plate is provided with a first adjusting plate, and the door body connecting plate is provided with a second adjusting plate corresponding to the first adjusting plate, and the first adjusting plate and the second adjusting plate are connected by adjusting screws.

[0008] Preferably, an anti-derailment component is provided on the back of the mounting plate.

[0009] Preferably, the anti-derail assembly comprises an anti-derail pulley and an anti-derail pulley connecting piece, and an arcuate waist hole is offered on the mounting plate, and the anti-derail pulley is connected with the anti-derail pulley connecting piece, and one end of the anti-derail pulley connecting piece is fixed on the mounting plate, and the other end is inserted in the arcuate waist hole by a screw and is connected with the mounting plate.

[0010] Preferably, the door body connecting mechanism includes a mounting plate, a connecting block and a door body connecting plate, the connecting block is installed and fixed on the mounting plate, a plurality of fine-tuning bolt rods are provided on the side of the connecting block, a plurality of fine-tuning grooves are provided on the surface of the door body connecting plate, the number of which matches the fine-tuning bolt rods and the position corresponds to the fine-tuning bolt rods, the fine-tuning grooves are in the shape of inclined waist holes, the plurality of fine-tuning bolt rods are respectively inserted into the corresponding fine-tuning grooves, and the door body connecting plate is slid and positioned through the fine-tuning grooves.

[0011] Preferably, a screw hole is provided on the side of the mounting plate, and a corresponding connecting hole is provided on the side of the door body connecting plate. The connecting hole is in the shape of a vertical waist hole. When the door body connecting plate is connected to the connecting block, screws are respectively inserted into the connecting hole and the screw hole to achieve the connection and fixation between the door body connecting plate and the mounting plate.

[0012] Preferably, an anti-derail block is installed on the door body connecting plate, and a sliding rod bolt is provided on the anti-derail block. A sliding groove is provided on the surface of the door body connecting plate, and the sliding groove is inclined. The sliding rod bolt is inserted into the sliding groove and can slide along the sliding groove. A nut is screwed into the sliding rod bolt to realize the connection and fixation of the anti-derail block and the door body connecting plate.

[0013] It can be seen from the above technical solution that the sliding door unit provided by the present application, when the synchronous belt is aged and loosened, by loosening the bolts, the first mounting plate is pushed in the opposite direction of the compression spring seat under the action of the compression spring, so that the synchronous belt is tightened again, and finally the bolts are tightened. It is very easy to operate and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A front view of a sliding door assembly provided in the present application under a first embodiment;

[0015] Figure 2 A three-dimensional diagram of a sliding door unit provided in the present application under a first embodiment;

[0016] Figure 3 for Figure 2 The enlarged view of point A in the middle;

[0017] Figure 4 A three-dimensional diagram of a synchronous belt tensioning mechanism in a sliding door unit provided in the present application;

[0018] Figure 5 A three-dimensional diagram of a first mounting plate in a sliding door assembly provided in the present application;

[0019] Figure 6 A three-dimensional diagram of a second mounting plate in a sliding door assembly provided in the present application;

[0020] Figure 7 A three-dimensional diagram of the connection between a driven synchronous belt pulley and a synchronous belt tensioning mechanism in a sliding door assembly provided in the present application;

[0021] Figure 8 A sliding door unit provided in the present application is a front view of a door body connection mechanism in a first embodiment;

[0022] Fig. 9 A sliding door unit provided in the present application is a rear view of a door body connection mechanism in a first embodiment;

[0023] Fig.10 A sliding door unit provided in the present application is a top view of a door body connection mechanism in a first embodiment;

[0024] Fig.11 A three-dimensional diagram of a door body connection mechanism of a sliding door unit provided in the present application in a first embodiment;

[0025] Fig.12 A front view of a sliding door assembly provided in the present application under a second embodiment;

[0026] Fig.13 A front view of a door body connection mechanism of a second embodiment of a sliding door operator provided in the present application;

[0027] Fig.14 A three-dimensional diagram of a door body connection mechanism of a sliding door operator provided in the present application in a second embodiment;

[0028] Fig.15 A top view of a door body connection mechanism of a sliding door operator provided in the present application in a second embodiment;

[0029] Fig.16A front view of a door body connecting plate in a second embodiment of a sliding door machine provided in the present application;

[0030] Fig.17 A three-dimensional diagram of a door body connecting plate in a second embodiment of a sliding door machine provided in the present application;

[0031] Fig.18 A three-dimensional diagram of a mounting plate and a connecting block in a second embodiment of a sliding door unit provided in the present application;

[0032] Fig.19 A front view of a second embodiment of a sliding door unit provided in the present application, in which a mounting plate and a door body connecting plate are connected;

[0033] Fig. 20 A three-dimensional diagram of the connection between the mounting plate and the door body connecting plate of a sliding door unit provided in the second embodiment of the present application;

[0034] Fig.21 A three-dimensional diagram of an anti-derailment block in a second embodiment of a sliding door assembly provided in the present application.

[0035] Among them: 10-unit housing, 101-drive motor, 102-controller, 103-slide rail, 104-power supply, 105-mounting slot, 106-mounting plate, 107-active synchronous pulley, 108-driven synchronous pulley, 109-synchronous belt, 110-first mounting plate, 111-cavity, 112-first connecting hole, 20-second mounting plate, 201-bolt hole, 202-fixing plate, 203-through hole, 204-connecting rod, 205-compression spring seat, 206-compression spring Spring, 30-mounting plate, 301-door body connecting plate, 302-pulley, 303-slide groove, 304-locking screw, 305-first adjusting plate, 306-second adjusting plate, 307-adjusting screw, 308-arc waist hole, 309-synchronous belt clamp, 310-connecting block, 311-fine-tuning bolt rod, 312-fine-tuning slide groove, 313-screw hole, 314-connecting hole, 315-anti-derail block, 316-slide rod bolt, 40-anti-derail pulley, 401-anti-derail pulley connecting piece. DETAILED DESCRIPTION

[0036] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0037] See also Figures 1 to 3A sliding door unit provided in the present application includes a unit housing 10, a driving assembly is provided at the back of the unit housing 10, the driving assembly includes a driving motor 101, a controller 102, a slide rail 103, and a power supply 104, the slide rail 103 is arranged at the bottom of the back of the unit housing 10, and a plurality of mounting grooves 105 are provided at the back of the unit housing 10. The driving motor 101, the controller 102 and the power supply 104 are all installed on a mounting plate 106 adapted to the mounting groove 105, and the mounting plate 106 is inserted into the mounting groove 105 to realize the detachable connection between the driving motor 101, the controller 102 and the power supply 104 and the unit housing 10, which brings great convenience to installation and subsequent maintenance.

[0038] See also Figures 4 to 7The sliding door unit provided in the present application also includes a synchronous belt tensioning mechanism. The driving assembly also includes a synchronous pulley and a synchronous belt 109, the synchronous pulley includes a driving synchronous pulley 107 and a driven synchronous pulley 108, the synchronous belt tensioning mechanism includes a first mounting plate 110 and a second mounting plate 20, the first mounting plate 110 is connected to the driven synchronous pulley 108, the driving synchronous pulley 107 is connected to the driving motor 101, the driven synchronous pulley 108 is installed at an end away from the driving synchronous pulley 107 through the first mounting plate 110, the synchronous belt 109 is installed on the driving synchronous pulley 107 and the driven synchronous pulley 108, the driving motor 101 drives the driving synchronous pulley 107 to rotate, and the synchronous belt 109 rotates around the driving synchronous pulley 107 and the driven synchronous pulley 108. The middle position of the first mounting plate 110 is in an arch shape, and a cavity 111 is formed in the middle position of the bottom of the first mounting plate 110. A plurality of first connection holes 112 are provided on both sides of the first mounting plate 110, and the first connection holes 112 are in the shape of waist holes. A second mounting plate 20 is provided at the bottom of the first mounting plate 110, and a plurality of bolt holes 201 corresponding to the positions of the first connection holes 112 are provided on the second mounting plate 20. When the first mounting plate 110 and the second mounting plate 20 are connected, bolts are inserted into the first connection holes 112 and the bolt holes 201 respectively, and the first mounting plate 110 and the second mounting plate 20 are detachably fixed on the mounting groove 105. A fixing plate 202 perpendicular to the second mounting plate 20 is connected to the side of the second mounting plate 20, and the fixing plate 202 is connected to the first mounting plate 20. The second mounting plate 20 is formed in one piece, and a through hole 203 is provided on both the fixed plate 202 and the first mounting plate 110, and a connecting rod 204 is inserted into the through hole 203. One end of the connecting rod 204 passes through the through hole 203 and is fixed on the fixed plate 202, and the other end passes through the through hole 203 and is inserted into the cavity 111 and a compression spring seat 205 is provided at the end. A compression spring 206 is sleeved on the segment of the connecting rod 204 located in the cavity 111, and one end of the compression spring 206 is connected to the compression spring seat 205, and the other end is connected to the inner wall of the cavity 111. Since the synchronous belt 109 will age and loosen after long-term use, by loosening the bolts, the first mounting plate 110 and the driven synchronous pulley 108 are pushed in the opposite direction of the compression spring seat 205 under the action of the compression spring 206, so that the synchronous belt 109 is tightened again, and finally the bolts are tightened, which is very easy to operate.

[0039] The sliding door unit provided in the present application also includes a door body connecting mechanism.

[0040] See also Figures 8 to 11In the first embodiment, the door body connecting mechanism includes a mounting plate 30 and a door body connecting plate 301. The door body connecting plate 301 is used to connect the door body. The mounting plate 30 is provided with a synchronous belt clamp 309. The mounting plate 30 is connected to the synchronous belt 109 through the synchronous belt clamp 309. A pulley 302 is provided on the back of the mounting plate 30. The pulley 302 is placed in the slide rail 103. A vertically arranged slide groove 303 is opened on the door body connecting plate 301. Preferably, the number of the slide grooves 303 is 2. A locking screw 304 is inserted in the slide groove 303 to connect and fix the mounting plate 30 and the door body connecting plate 301. The door body connecting plate 301 can realize the up and down movement of the door body connecting plate 301 by sliding the slide groove 303 up and down, thereby achieving the effect of adjusting the height of the door body up and down.

[0041] See also Figure 8 and Fig.11 The mounting plate 30 is provided with a first adjustment plate 305, and the door body connecting plate 301 is provided with a second adjustment plate 306 corresponding to the first adjustment plate 305. The first adjustment plate 305 and the second adjustment plate 306 are both provided with screw holes. An adjustment screw 307 is provided between the first adjustment plate 305 and the second adjustment plate 306. The adjustment screw 307 is screwed into the second adjustment plate 306 and the first adjustment plate 305 in sequence from bottom to top. When adjusting the height of the door body, the door body connecting plate 301 is driven to move up and down along the mounting plate 30 by rotating the adjustment screw 307, so as to achieve the height adjustment of the door body. At the same time, the coordination between the adjustment screw 307 and the locking screw 304 can further enhance the stability of the door body connecting plate 301 and the door body.

[0042] See also Figures 9 to 11 , mounting plate 30 backs are provided with anti-derail assembly, anti-derail assembly includes anti-derail pulley 40 and anti-derail pulley connector 401, arcuate waist hole 308 is offered on mounting plate 30, anti-derail pulley 40 is connected with anti-derail pulley connector 401, anti-derail pulley connector 401 one end is fixed on mounting plate 30, and the other end is inserted into arcuate waist hole 308 by screw and connected with mounting plate 30, by sliding screw along arcuate waist hole 308, anti-derail pulley 40 can be moved up and down. In use, screw is slid along arcuate waist hole 308, drive anti-derail pulley 40 to resist against the upper edge of slide rail 103, then tighten the screw to fix, mounting plate 30 can be made more stable by this design, the situation of shaking up and down and derailment will not occur during movement, and door body moves more steadily.

[0043] See also Figures 12 to 20In the second embodiment, the door body connection mechanism includes a mounting plate 30, a pulley 302, a connecting block 310 and a door body connecting plate 301. The door body connecting plate 301 is used to connect the door body. A synchronous belt clamp 309 is provided on the door body connecting plate 301. The door body connecting plate 301 is connected to the synchronous belt 109 through the synchronous belt clamp 309. The pulley 302 is installed and fixed on both sides of the mounting plate 30. The pulley 302 is located in the slide rail 103 and can slide in the slide rail 103. The connecting block 310 is installed and fixed in the middle position of the mounting plate 30. A plurality of fine-tuning bolt rods 311 are provided on the side of the connecting block 310. The embodiment of the present application takes two fine-tuning bolt rods 311 as an example. The fine-tuning bolt rods 311 is perpendicular to the connecting block 310 and is integrally formed with the connecting block 310. A plurality of fine-tuning grooves 312 are provided on the surface of the door body connecting plate 301, whose number matches the fine-tuning bolt rod 311 and whose positions correspond to the fine-tuning bolt rod 311. The fine-tuning grooves 312 are in the shape of inclined waist holes. The embodiment of the present application takes two fine-tuning grooves 312 as an example. The two fine-tuning bolt rods 311 are respectively inserted into the corresponding two fine-tuning grooves 312. The two fine-tuning bolt rods 311 can slide along the corresponding two fine-tuning grooves 312 respectively. After sliding to the required position, the door body connecting plate 301 and the connecting block 310 are connected and fixed by screwing the nut into the fine-tuning bolt rod 311.

[0044] Through the above design, when the door body is tilted, it can be adjusted through the door body connecting mechanism corresponding to the side of the door body that needs to be adjusted. The nut on the fine-tuning bolt rod 311 is unscrewed, and the door body and the door body connecting plate 301 are lifted or lowered by moving the fine-tuning slide groove 312 on the door body connecting plate 301. After the door body is adjusted, the nut is screwed into the fine-tuning bolt rod 311, and the door body connecting plate 301 is connected and fixed to the connecting block 310. The operation and use are very simple.

[0045] See also Fig.17 , Fig.18 and Fig. 20 A screw hole 313 is provided on the side of the mounting plate 30, and a corresponding connecting hole 314 is provided on the side of the door body connecting plate 301. The connecting hole 314 is in the shape of a vertical waist hole. When the door body connecting plate 301 is connected to the connecting block 310, screws are respectively inserted into the connecting hole 314 and the screw hole 313 to realize the connection and fixation between the door body connecting plate 301 and the mounting plate 30, thereby further improving the firmness and stability of the door body installation.

[0046] See also Fig.13 , Fig.16 , Fig.17 , Fig.19 and Fig.21, anti-derail block 315 is installed on door body connecting plate 301, anti-derail block 315 is provided with slide bar bolt 316, door body connecting plate 301 surface offers chute 303, chute 303 is inclined, slide bar bolt 316 is inserted in chute 303, and can slide along chute 303, utilize nut to screw into slide bar bolt 316 to realize anti-derail block 315 and door body connecting plate 301 connection fixing. In use, by sliding slide bar bolt 316, anti-derail block 315 is against the bottom of unit housing 10, can prevent the pulley 302 from derailing.

[0047] Those skilled in the art will readily appreciate other embodiments of the present application after considering the specification and practicing the application disclosed herein. The present application is intended to cover any variations, uses or adaptations of the present application, which follow the general principles of the present application and include common knowledge or customary techniques in the art that are not disclosed in the present application. The specification and examples are intended to be exemplary only, and the true scope and spirit of the present application are indicated by the following claims.

[0048] It should be understood that the present application is not limited to the precise structures that have been described above and shown in the drawings, and that various modifications and changes may be made without departing from the scope thereof. The scope of the present application is limited only by the appended claims.

Claims

1. A sliding door unit, comprising a driving motor, a synchronous belt and a slide rail, characterized in that: It also includes a synchronous belt tensioning mechanism and a door body connecting mechanism, the door body connecting mechanism is arranged in the slide rail and connected to the driving motor through a synchronous belt, the synchronous belt tensioning mechanism includes a first mounting plate, the first mounting plate is connected to the synchronous belt through a synchronous belt pulley, the middle position of the first mounting plate is arched, and a cavity is formed at the middle position of the bottom of the first mounting plate, a second mounting plate and a connecting rod are provided at the bottom of the first mounting plate, one end of the connecting rod is fixedly mounted on the second mounting plate, and the other end passes through the first mounting plate to the inside of the cavity, and a compression spring seat is provided at the end, and a compression spring is sleeved on the segment of the connecting rod located in the cavity, one end of the compression spring is connected to the compression spring seat, and the other end is connected to the inner wall of the cavity; The door body connection mechanism comprises a mounting plate and a door body connection plate, the door body connection plate is used to connect the door body, a vertically arranged slide groove is provided on the door body connection plate, a locking screw is inserted into the slide groove to connect and fix the mounting plate and the door body connection plate, the mounting plate is provided with a first adjustment plate, the door body connection plate is provided with a second adjustment plate corresponding to the first adjustment plate, and the first adjustment plate and the second adjustment plate are connected by an adjustment screw; Or the door body connection mechanism includes a mounting plate, a connecting block and a door body connecting plate, the connecting block is fixedly mounted on the mounting plate, a plurality of fine-tuning bolt rods are arranged on the side of the connecting block, a plurality of fine-tuning slide grooves whose number matches the fine-tuning bolt rods and whose positions correspond to the fine-tuning bolt rods are arranged on the surface of the door body connecting plate, the fine-tuning slide grooves are in the shape of inclined waist holes, the plurality of fine-tuning bolt rods are respectively inserted into the corresponding fine-tuning slide grooves, and the door body connecting plate is slid and positioned through the fine-tuning slide grooves; The back of the mounting plate is provided with an anti-derail assembly; The anti-derail assembly comprises an anti-derail pulley and an anti-derail pulley connecting piece, an arcuate waist hole is offered on the mounting plate, the anti-derail pulley is connected with the anti-derail pulley connecting piece, one end of the anti-derail pulley connecting piece is fixed on the mounting plate, and the other end is inserted in the arcuate waist hole by a screw and is connected with the mounting plate.

2. The sliding door unit according to claim 1, characterized in that: A plurality of first connecting holes are provided on both sides of the first mounting plate, and the plurality of first connecting holes are all waist-shaped. A plurality of bolt holes corresponding to the first connecting holes are provided on the second mounting plate. When the first mounting plate and the second mounting plate are connected, bolts are respectively inserted into the first connecting holes and the bolt holes to achieve fixation.

3. The sliding door unit according to claim 1, characterized in that: A fixing plate perpendicular to the second mounting plate is connected to the side of the second mounting plate. Both the fixing plate and the first mounting plate are provided with through holes. One end of the connecting rod passes through the through hole and is fixed on the fixing plate, and the other end passes through the through hole to the inside of the cavity, and a compression spring seat is provided at the end.

4. The sliding door unit according to claim 1, characterized in that: A screw hole is provided on the side of the mounting plate, and a corresponding connecting hole is provided on the side of the door body connecting plate. The connecting hole is in the shape of a vertical waist hole. When the door body connecting plate is connected to the connecting block, screws are respectively inserted into the connecting hole and the screw hole to realize the connection and fixation between the door body connecting plate and the mounting plate.

5. The sliding door unit according to claim 4, characterized in that: An anti-derail block is installed on the door body connecting plate, and a slide bar bolt is provided on the anti-derail block. A slide groove is opened on the surface of the door body connecting plate, and the slide groove is inclined. The slide bar bolt is inserted into the slide groove and can slide along the slide groove. A nut is screwed into the slide bar bolt to realize the connection and fixation of the anti-derail block and the door body connecting plate.

Citation Information

Patent Citations

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