Height adjusting device for linkage door of bathroom
By installing a hanging roller assembly on the bathroom door and cooperating with the inclined sliding surface for adjustment, the problem of cumbersome operation of existing bathroom door height adjustment devices is solved, and a simple and quick door height adjustment is achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- FOSHAN YILINUO BATHROOM ACCESSORIES CO LTD
- Filing Date
- 2025-07-01
- Publication Date
- 2026-05-19
AI Technical Summary
Existing bathroom door height adjustment devices are complex in structure and cumbersome to operate, requiring the door to be disassembled for adjustment, which is time-consuming and laborious.
The door is equipped with a hanging roller assembly on the handle door and the center driven door. The door height can be adjusted by adjusting the screws and the inclined sliding surface, thus avoiding disassembly.
It achieves convenient and quick door height adjustment, saving time and effort, with high assembly efficiency and a compact structure.
Smart Images

Figure CN224260120U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of bathroom door technology, specifically to a height adjustment device for a bathroom interlocking door. Background Technology
[0002] In bathroom door structural design, glass doors use a hanging clamp and upper guide rail to achieve sliding opening and closing. Existing technology primarily relies on a driven structure component hidden in the guide rail, using a steel wire as the driven medium, and then locking it with positioning and connecting parts. This allows the center door to move along with the handle. However, existing shower door height adjustment devices are complex, requiring the door to be disassembled each time the height is adjusted, making the operation cumbersome, time-consuming, and labor-intensive. Utility Model Content
[0003] The technical problem to be solved by this utility model is to overcome the shortcomings of the existing technology and provide a height adjustment device for bathroom interlocking doors that is simple and compact in structure, convenient and quick in adjustment and operation, saves time and effort, and has high assembly efficiency.
[0004] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:
[0005] A height adjustment device for a bathroom door includes a handle, a center driven door, fixed glass, and a top profile track. The handle is equipped with a first and a second hanging roller assembly, and the center driven door is equipped with a third and a fourth hanging roller assembly. The handle is movably mounted within the top profile track via the first and second hanging roller assemblies, and the center driven door is movably mounted within the top profile track via the third and fourth hanging roller assemblies.
[0006] The handle door is equipped with two sets of handle door height adjustment connectors. The first hanging roller assembly is height-adjustable and connected to one set of handle door height adjustment connectors, and the second hanging roller assembly is height-adjustable and connected to the other set of handle door height adjustment connectors.
[0007] The center-position driven door is equipped with two sets of center-position door height adjustment connectors. The third hanging roller assembly is height-adjustable and connected to one set of center-position door height adjustment connectors. The fourth hanging roller assembly is height-adjustable and connected to another set of center-position door height adjustment connectors.
[0008] As a further improvement to the above technical solution:
[0009] The handle door height adjustment connector is formed with a first vertical connecting part. The first vertical connecting part is provided with a first inclined sliding surface and a first anti-slip surface. The first hanging roller assembly includes a first roller bracket and several sets of first guide rollers. The first roller bracket is provided with a first connecting through hole for the first vertical connecting part to pass through. The first roller bracket is provided with a first adjusting screw hole and a first locking screw hole communicating with the first connecting through hole. An adjusting screw passes through the first adjusting screw hole and abuts against the first inclined sliding surface. A locking screw passes through the first locking screw hole and abuts against the first anti-slip surface.
[0010] The second clamping roller assembly includes a second roller bracket and several sets of second guide rollers. The second roller bracket has a second connecting through hole for the first vertical connecting part to pass through. The second roller bracket has a second adjusting screw hole and a second locking screw hole that communicate with the second connecting through hole. An adjusting screw passes through the second adjusting screw hole and abuts against the first inclined sliding surface. A locking screw passes through the second locking screw hole and abuts against the first anti-slip surface.
[0011] The center door height adjustment connector is formed with a second vertical connecting part. The second vertical connecting part is provided with a second inclined sliding surface and a second anti-slip surface. The third hanging roller assembly includes a third roller bracket and several sets of third guide rail rollers. The third roller bracket is provided with a third connecting through hole for the second vertical connecting part to pass through. The third roller bracket is provided with a third adjusting screw hole and a third locking screw hole communicating with the third connecting through hole. An adjusting screw passes through the third adjusting screw hole and abuts against the second inclined sliding surface. A locking screw passes through the third locking screw hole and abuts against the second anti-slip surface.
[0012] The fourth clamping roller assembly includes a fourth roller bracket and several sets of fourth guide rollers. The fourth roller bracket has a fourth connecting through hole for the second vertical connecting part to pass through. The fourth roller bracket has a fourth adjusting screw hole and a fourth locking screw hole that communicate with the fourth connecting through hole. An adjusting screw passes through the fourth adjusting screw hole and abuts against the second inclined sliding surface. A locking screw passes through the fourth locking screw hole and abuts against the second anti-slip surface.
[0013] The handle door is equipped with a first glass frame and a second glass frame. One set of the handle door height adjustment connectors is fixedly installed on the first glass frame, and another set of the handle door height adjustment connectors is fixedly installed on the second glass frame.
[0014] The center-position driven door is equipped with a third glass frame and a fourth glass frame. One set of the center-position door height adjustment connectors is fixedly installed on the third glass frame, and the other set of the center-position door height adjustment connectors is fixedly installed on the fourth glass frame.
[0015] The handle door is also equipped with a two-way buffer assembly. A buffer trigger is fixedly installed in the top profile track. The two-way buffer assembly includes a buffer bracket and a first buffer slider, a damper, and a second buffer slider installed in the buffer bracket. One end of the buffer bracket is fixedly connected to the first roller bracket, and the other end is rotatably equipped with several sets of fifth guide rail rollers.
[0016] The center-position driven door is also provided with a wire assembly, and a wire positioning component is fixedly installed in the top profile track. The wire assembly includes a roller mounting seat fixedly installed on the center-position driven door, a first wire roller rotatably installed on the roller mounting seat, a second wire roller rotatably installed on the fourth roller bracket, and a wire wound between the first wire roller and the second wire roller. A driven wire locking component is fixedly installed on the second roller bracket. The wire positioning component is fixedly connected to the front side of the wire, and the driven wire locking component is fixedly connected to the rear side of the wire.
[0017] A buffer aluminum profile is provided inside the top profile track. A connecting groove is formed inside the buffer aluminum profile. A connecting part is provided on the roller mounting base. The connecting part is embedded in the connecting groove so that the roller mounting base is fixedly connected to the buffer aluminum profile. A first clamping plate group is provided on the third roller bracket. The first clamping plate group is embedded in the connecting groove so that the third roller bracket is fixedly connected to the buffer aluminum profile. A second clamping plate group is provided on the fourth roller bracket. The second clamping plate group is embedded in the connecting groove so that the fourth roller bracket is fixedly connected to the buffer aluminum profile.
[0018] Compared with the prior art, the advantages of this utility model are:
[0019] This utility model discloses a height adjustment device for a bathroom interlocking door, comprising a handle door, a center driven door, fixed glass, and a top profile track. The handle door is movably mounted within the top profile track via a first and a second hanging roller assembly. The center driven door is movably mounted within the top profile track via a third and a fourth hanging roller assembly. Two sets of handle door height adjustment connectors are installed on the handle door, with the first and second hanging roller assemblies respectively passing through them. Adjustment is achieved by simply adjusting the adjusting screws within the first and second roller brackets. The height of the door handle can be adjusted by adjusting the screws in the middle position and engaging with the first inclined sliding surface. Two sets of middle position door height adjustment connectors are installed on the middle position driven door. The third roller bracket and the fourth roller bracket are respectively installed on the middle position door height adjustment connectors. The height of the middle position driven door can be adjusted by simply adjusting the screws in the third roller bracket and the fourth roller bracket and engaging with the second inclined sliding surface. The door body does not need to be disassembled when adjusting the door height. It can be adjusted directly on the top profile track. It has the advantages of simple and compact structure, convenient and quick adjustment operation, saving time and effort, and high assembly efficiency. Attached Figure Description
[0020] Figure 1 This is a schematic diagram of the internal structure of a handle door, a center-position driven door, and fixed glass.
[0021] Figure 2 This is a schematic diagram of the structure of the first and second hanging roller assemblies on the door handle.
[0022] Figure 3 This is an exploded view of the first and second hanging roller assemblies on the door handle.
[0023] Figure 4 This is an exploded view of the first clamping roller assembly.
[0024] Figure 5 This is a schematic diagram showing the connection between the first roller bracket and the handle door height adjustment connector.
[0025] Figure 6 This is a schematic diagram of the structure of the handle door height adjustment connector.
[0026] Figure 7 This is an exploded view of the second clamping roller assembly.
[0027] Figure 8 This is a schematic diagram of the structure of the third and fourth clamping roller assemblies on the center-position driven door.
[0028] Figure 9 This is an exploded view of the third and fourth clamping roller assemblies on the middle-position driven door.
[0029] Figure 10 This is an exploded view of the fourth clamp roller assembly.
[0030] Figure 11 This is a schematic diagram showing the connection between the fourth roller bracket and the center door height adjustment connector.
[0031] Figure 12 This is a schematic diagram of the structure of the center door height adjustment connector.
[0032] Figure 13 This is an exploded view of the third clamping roller assembly.
[0033] Legend:
[0034] 1. Handle door; 101. First glass frame component; 102. Second glass frame component; 2. Central driven door; 201. Third glass frame component; 202. Fourth glass frame component; 3. Fixed glass; 4. Top profile track; 5. First hanging roller assembly; 501. First roller bracket; 502. First guide roller; 503. First connecting through hole; 504. First adjusting screw hole; 505. First locking screw hole; 6. 601. Second lifting roller assembly; 602. Second guide rail roller; 603. Second connecting through hole; 7. Third lifting roller assembly; 701. Third roller bracket; 702. Third guide rail roller; 703. Third connecting through hole; 8. Fourth lifting roller assembly; 801. Fourth roller bracket; 802. Fourth guide rail roller; 803. Fourth connecting through hole; 804. Fourth adjusting screw hole; 805. Fourth locking screw hole; 9. Handle door height adjustment connector; 901. First vertical connecting part; 902. First inclined sliding surface; 903. First anti-slip surface; 10. Center door height adjustment connector; 1001. Second vertical connecting part; 1002. Second inclined sliding surface; 1003. Second anti-slip surface; 11. Handle door two-way buffer assembly; 1101. Buffer bracket; 1102. First buffer slider; 1103. Damper; 1104. Second buffer slider; 1105. Fifth guide rail roller; 12. Buffer trigger; 13. Steel wire assembly; 1301. Roller mounting base; 1302. First steel wire roller; 1303. Second steel wire roller; 1304. Steel wire; 14. Steel wire positioning component; 15. Driven locking wire component; 16. Buffer aluminum profile; 1601. Connecting groove; 17. Connecting part; 18. First clamping plate group; 19. Second clamping plate group. Detailed Implementation
[0035] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
[0036] like Figures 1 to 13As shown, the height adjustment device for the bathroom door in this embodiment includes a handle door 1, a center driven door 2, a fixed glass panel 3, and a top profile track 4. The handle door 1 is equipped with a first hanging roller assembly 5 and a second hanging roller assembly 6. The center driven door 2 is equipped with a third hanging roller assembly 7 and a fourth hanging roller assembly 8. The handle door 1 is movably mounted within the top profile track 4 via the first hanging roller assembly 5 and the second hanging roller assembly 6, and the center driven door 2 is movably mounted within the top profile track 4 via the third hanging roller assembly 7 and the fourth hanging roller assembly 8. Inside; two sets of handle door height adjustment connectors 9 are installed on the handle door 1. The first hanging roller assembly 5 is height-adjustable and connected to one set of handle door height adjustment connectors 9, and the second hanging roller assembly 6 is height-adjustable and connected to the other set of handle door height adjustment connectors 9; two sets of center door height adjustment connectors 10 are installed on the center driven door 2. The third hanging roller assembly 7 is height-adjustable and connected to one set of center door height adjustment connectors 10, and the fourth hanging roller assembly 8 is height-adjustable and connected to the other set of center door height adjustment connectors 10.
[0037] Preferably, the handle door height adjustment connector 9 is formed with a first vertical connecting part 901. The first vertical connecting part 901 is provided with a first inclined sliding surface 902 and a first anti-slip surface 903. The first hanging roller assembly 5 includes a first roller bracket 501 and several sets of first guide rollers 502. The first roller bracket 501 is provided with a first connecting through hole 503 for the first vertical connecting part 901 to pass through. The first roller bracket 501 is provided with a first adjusting screw hole 504 and a first locking screw hole 505 communicating with the first connecting through hole 503. An adjusting screw passes through the first adjusting screw hole 504 and is connected to the first inclined sliding surface 902. The first anti-slip surface 903 abuts against the first anti-slip surface 902, and a locking screw passes through the first locking screw hole 505 and abuts against the first anti-slip surface 903; the second hanging roller assembly 6 includes a second roller bracket 601 and several sets of second guide rollers 602. The second roller bracket 601 is provided with a second connecting through hole 603 for the first vertical connecting part 901 to pass through. The second roller bracket 601 is provided with a second adjusting screw hole and a second locking screw hole communicating with the second connecting through hole 603. An adjusting screw passes through the second adjusting screw hole and abuts against the first inclined sliding surface 902, and a locking screw passes through the second locking screw hole and abuts against the first anti-slip surface 903.
[0038] Preferably, the center door height adjusting connector 10 is formed with a second vertical connecting part 1001. The second vertical connecting part 1001 is provided with a second inclined sliding surface 1002 and a second anti-slip surface 1003. The third hanging roller assembly 7 includes a third roller bracket 701 and several sets of third guide rollers 702. The third roller bracket 701 is provided with a third connecting through hole 703 for the second vertical connecting part 1001 to pass through. The third roller bracket 701 is provided with a third adjusting screw hole and a third locking screw hole communicating with the third connecting through hole 703. An adjusting screw passes through the third adjusting screw hole and abuts against the second inclined sliding surface 1002. A locking screw passes through the third locking screw hole and abuts against the second anti-slip surface 1003; the fourth clamping roller assembly 8 includes a fourth roller bracket 801 and several sets of fourth guide rollers 802. The fourth roller bracket 801 is provided with a fourth connecting through hole 803 for the second vertical connecting part 1001 to pass through. The fourth roller bracket 801 is provided with a fourth adjusting screw hole 804 and a fourth locking screw hole 805 communicating with the fourth connecting through hole 803. An adjusting screw passes through the fourth adjusting screw hole 804 and abuts against the second inclined sliding surface 1002. A locking screw passes through the fourth locking screw hole 805 and abuts against the second anti-slip surface 1003.
[0039] It should be noted that the handle door height adjustment connector 9 and the center door height adjustment connector 10 have the same structure, both having a vertical connecting part. The vertical connecting part has a sloping sliding surface and an anti-slip surface. Therefore, the connection method and height adjustment method between the first roller bracket 501 and the handle door height adjustment connector 9, the second roller bracket 601 and the handle door height adjustment connector 9, the third roller bracket 701 and the center door height adjustment connector 10, and the fourth roller bracket 801 and the center door height adjustment connector 10 are all the same. Here, we will take the first roller bracket 501 and the handle door height adjustment connector 9 as an example for explanation. Figure 5 and Figure 6 As shown, the first vertical connecting part 901 passes through the first connecting through hole 503, and the adjusting screw passes through the first roller bracket 501 and abuts against the first inclined sliding surface 902. When it is necessary to lower the height of the handle door 1, the operator screws the adjusting screw outward, and the end of the adjusting screw slides relative to the first inclined sliding surface 902. Then, the handle door height adjusting connector 9 lowers vertically in the first connecting through hole 503. When it is necessary to raise the height of the handle door 1, the operator can first raise the handle door 1, and then screw the adjusting screw inward. After the operator releases the handle door 1, the end of the adjusting screw abuts against the first inclined sliding surface 902, so that the handle door 1 is kept at the target height. When adjusting the height of the door, it is not necessary to disassemble the door. In addition, the locking screw passes through the first roller bracket 501 and is tightened against the first anti-slip surface 903, which can play a role in preventing loosening and improve the connection stability between the first roller bracket 501 and the handle door height adjusting connector 9, thus ensuring good safety.
[0040] Preferably, the handle door 1 is equipped with a first glass frame 101 and a second glass frame 102. A set of handle door height adjustment connectors 9 are fixedly installed on the first glass frame 101, and another set of handle door height adjustment connectors 9 are fixedly installed on the second glass frame 102. The center-position driven door 2 is equipped with a third glass frame 201 and a fourth glass frame 202. A set of center-position door height adjustment connectors 10 are fixedly installed on the third glass frame 201, and another set of center-position door height adjustment connectors 10 are fixedly installed on the fourth glass frame 202. In this embodiment, as... Figure 3 As shown, the handle door 1 includes a left frame, a right frame, an upper frame, a lower frame, and handle door glass. A first glass frame component 101 is installed at the connection between the right frame and the upper frame, and a second glass frame component 102 is installed at the connection between the left frame and the upper frame. A set of handle door height adjustment connectors 9 are fixedly installed on the first glass frame component 101, and another set of handle door height adjustment connectors 9 are fixedly installed on the second glass frame component 102. This effectively improves the connection stability of the handle door height adjustment connectors 9 on the handle door 1, which is beneficial for extending service life. Similarly, as... Figure 9 As shown, the center-position driven door 2 also includes a left frame, a right frame, an upper frame, a lower frame, and a center-position door glass. The third glass frame component 201 is installed at the connection between the right frame and the upper frame, and the fourth glass frame component 202 is installed at the connection between the left frame and the upper frame. One set of center-position door height adjustment connectors 10 is fixedly installed on the third glass frame component 201, and another set of center-position door height adjustment connectors 10 is fixedly installed on the fourth glass frame component 202. This can also effectively improve the connection stability of the center-position door height adjustment connectors 10 on the center-position driven door 2, which is beneficial to extending the service life.
[0041] Preferably, the handle door 1 is further provided with a two-way buffer assembly 11, and a buffer trigger 12 is fixedly installed in the top profile track 4. The two-way buffer assembly 11 includes a buffer bracket 1101 and a first buffer slider 1102, a damper 1103 and a second buffer slider 1104 disposed in the buffer bracket 1101. One end of the buffer bracket 1101 is fixedly connected to the first roller bracket 501, and the other end is rotatably provided with a plurality of fifth guide rail rollers 1105. In this embodiment, the two-way buffer assembly 11 is a common sliding door two-way damping buffer, the structure and working principle of which belong to the prior art. For details, please refer to the existing patent with authorization announcement number CN206785192U, which will not be described in detail here.
[0042] Preferably, the middle driven door 2 is further provided with a wire assembly 13, and a wire positioning component 14 is fixedly provided in the top profile track 4. The wire assembly 13 includes a roller mounting seat 1301 fixedly provided on the middle driven door 2, a first wire roller 1302 rotatably provided on the roller mounting seat 1301, a second wire roller 1303 rotatably provided on the fourth roller bracket 801, and a wire 1304 wound between the first wire roller 1302 and the second wire roller 1303. A driven wire locking component 15 is fixedly provided on the second roller bracket 801. The wire positioning component 14 is fixedly connected to the front side of the wire 1304, and the driven wire locking component 15 is fixedly connected to the rear side of the wire 1304. In this embodiment, as shown... Figure 9 As shown, the wire positioning component 14 is inserted through the front part of the wire 1304, and the driven locking component 15 is inserted through the rear part of the wire 1304. When the wire 1304 rotates, the movement direction of the wire positioning component 14 is opposite to the movement direction of the driven locking component 15. When the handle door 1 moves, the driven locking component 15, which is fixedly installed on the second roller bracket 601, will drive the wire 1304 to rotate. Since the wire positioning component 14 is fixedly installed in the top profile track 4, the wire 1304 will drive the middle driven door 2 to move in the top profile track 4, so as to achieve the driven effect of the handle door 1 and the middle driven door 2 moving synchronously in the same direction.
[0043] Preferably, a buffer aluminum profile 16 is provided inside the top profile track 4, and a connecting groove 1601 is provided inside the buffer aluminum profile 16. A connecting part 17 is provided on the roller mounting seat 1301, and the connecting part 17 is embedded in the connecting groove 1601 so that the roller mounting seat 1301 is fixedly connected to the buffer aluminum profile 16. A first clamping piece group 18 is provided on the third roller bracket 701, and the first clamping piece group 18 is embedded in the connecting groove 1601 so that the third roller bracket 701 is fixedly connected to the buffer aluminum profile 16. A second clamping piece group 19 is provided on the fourth roller bracket 801, and the second clamping piece group 19 is embedded in the connecting groove 1601 so that the fourth roller bracket 801 is fixedly connected to the buffer aluminum profile 16. In this embodiment, a buffer rubber block or spring sheet may be provided in the top profile track 4. The buffer aluminum profile 16 is fixedly connected to the roller mounting seat 1301, the third roller bracket 701 and the fourth roller bracket 801. When the middle driven door 2 moves, the buffer aluminum profile 16 moves in the top profile track 4. At the end of the stroke of the middle driven door 2, the buffer aluminum profile 16 can achieve the buffering function by compressing the buffer rubber block or spring sheet.
[0044] The height adjustment device for the bathroom door includes a handle door 1, a center driven door 2, a fixed glass 3, and a top profile track 4. The handle door 1 is movably mounted within the top profile track 4 via a first hanging roller assembly 5 and a second hanging roller assembly 6. The center driven door 2 is movably mounted within the top profile track 4 via a third hanging roller assembly 7 and a fourth hanging roller assembly 8. Two sets of handle door height adjustment connectors 9 are installed on the handle door 1. The first hanging roller assembly 5 and the second hanging roller assembly 6 are respectively mounted on the handle door height adjustment connectors 9. Adjustment is only required by adjusting the progress of the adjusting screw within the first roller bracket 501 and the second roller bracket 601, and ensuring it is aligned with the first... The height of the handle door 1 can be adjusted by the abutment of the inclined sliding surface 902. Two sets of center door height adjustment connectors 10 are installed on the center driven door 2. The third roller bracket 701 and the fourth roller bracket 801 are respectively inserted into the center door height adjustment connectors 10. The height of the center driven door 2 can be adjusted by simply adjusting the progress of the adjusting screw in the third roller bracket 701 and the fourth roller bracket 801 and abutting with the second inclined sliding surface 1002. The height of the door does not need to be disassembled when adjusting the door height. It can be adjusted directly on the top profile track 4. It has the advantages of simple and compact structure, convenient and quick adjustment operation, saving time and effort, and high assembly efficiency.
[0045] The above description is merely a preferred embodiment of this utility model, and the protection scope of this utility model is not limited to the above embodiments. For those skilled in the art, improvements and modifications obtained without departing from the technical concept of this utility model should also be considered within the protection scope of this utility model.
Claims
1. A height adjustment device for a bathroom interlocking door, comprising a handle door (1), a center driven door (2), fixed glass (3), and a top profile track (4), characterized in that, The handle door (1) is provided with a first hanging roller assembly (5) and a second hanging roller assembly (6), and the middle driven door (2) is provided with a third hanging roller assembly (7) and a fourth hanging roller assembly (8). The handle door (1) is movably mounted in the top profile track (4) through the first hanging roller assembly (5) and the second hanging roller assembly (6), and the middle driven door (2) is movably mounted in the top profile track (4) through the third hanging roller assembly (7) and the fourth hanging roller assembly (8). The handle door (1) is equipped with two sets of handle door height adjustment connectors (9). The first hanging roller assembly (5) is height-adjustable and connected to one set of handle door height adjustment connectors (9). The second hanging roller assembly (6) is height-adjustable and connected to the other set of handle door height adjustment connectors (9). Two sets of middle door height adjustment connectors (10) are installed on the middle driven door (2). The third hanging roller assembly (7) is height-adjustable and connected to one set of middle door height adjustment connectors (10). The fourth hanging roller assembly (8) is height-adjustable and connected to another set of middle door height adjustment connectors (10).
2. The height adjustment device for the bathroom interlocking door according to claim 1, characterized in that, The handle door height adjustment connector (9) is formed with a first vertical connecting part (901), and the first vertical connecting part (901) is provided with a first inclined sliding surface (902) and a first anti-slip surface (903). The middle door height adjustment connector (10) is formed with a second vertical connecting part (1001), and the second vertical connecting part (1001) is provided with a second inclined sliding surface (1002) and a second anti-slip surface (1003).
3. The height adjustment device for the bathroom interlocking door according to claim 2, characterized in that, The first clamping roller assembly (5) includes a first roller bracket (501) and several sets of first guide rollers (502). The first roller bracket (501) is provided with a first connecting through hole (503) for the first vertical connecting part (901) to pass through. The first roller bracket (501) is provided with a first adjusting screw hole (504) and a first locking screw hole (505) communicating with the first connecting through hole (503). An adjusting screw passes through the first adjusting screw hole (504) and abuts against the first inclined sliding surface (902). A locking screw passes through the first locking screw hole (505) and abuts against the first anti-slip surface (903). The second clamping roller assembly (6) includes a second roller bracket (601) and several sets of second guide rollers (602). The second roller bracket (601) is provided with a second connecting through hole (603) through which the first vertical connecting part (901) passes. The second roller bracket (601) is provided with a second adjusting screw hole and a second locking screw hole that communicate with the second connecting through hole (603). An adjusting screw passes through the second adjusting screw hole and abuts against the first inclined sliding surface (902). A locking screw passes through the second locking screw hole and abuts against the first anti-slip surface (903).
4. The height adjustment device for the bathroom interlocking door according to claim 3, characterized in that, The third clamping roller assembly (7) includes a third roller bracket (701) and several sets of third guide rollers (702). The third roller bracket (701) is provided with a third connecting through hole (703) for the second vertical connecting part (1001) to pass through. The third roller bracket (701) is provided with a third adjusting screw hole and a third locking screw hole that communicate with the third connecting through hole (703). An adjusting screw passes through the third adjusting screw hole and abuts against the second inclined sliding surface (1002). A locking screw passes through the third locking screw hole and abuts against the second anti-slip surface (1003). The fourth clamping roller assembly (8) includes a fourth roller bracket (801) and several sets of fourth guide rollers (802). The fourth roller bracket (801) has a fourth connecting through hole (803) for the second vertical connecting part (1001) to pass through. The fourth roller bracket (801) has a fourth adjusting screw hole (804) and a fourth locking screw hole (805) communicating with the fourth connecting through hole (803). An adjusting screw passes through the fourth adjusting screw hole (804) and abuts against the second inclined sliding surface (1002). A locking screw passes through the fourth locking screw hole (805) and abuts against the second anti-slip surface (1003).
5. The height adjustment device for the bathroom interlocking door according to claim 4, characterized in that, The handle door (1) is equipped with a first glass frame component (101) and a second glass frame component (102). One set of the handle door height adjustment connectors (9) is fixedly installed on the first glass frame component (101), and another set of the handle door height adjustment connectors (9) is fixedly installed on the second glass frame component (102). The middle driven door (2) is equipped with a third glass frame (201) and a fourth glass frame (202). One set of the middle door height adjustment connectors (10) is fixedly installed on the third glass frame (201), and another set of the middle door height adjustment connectors (10) is fixedly installed on the fourth glass frame (202).
6. The height adjustment device for the bathroom interlocking door according to claim 5, characterized in that, The handle door (1) is also provided with a handle door bidirectional buffer assembly (11). A buffer trigger (12) is fixedly installed in the top profile track (4). The handle door bidirectional buffer assembly (11) includes a buffer bracket (1101) and a first buffer slider (1102), a damper (1103) and a second buffer slider (1104) installed in the buffer bracket (1101). One end of the buffer bracket (1101) is fixedly connected to the first roller bracket (501), and the other end is rotatably provided with a number of fifth guide rail rollers (1105).
7. The height adjustment device for the bathroom interlocking door according to claim 6, characterized in that, The middle driven door (2) is also provided with a wire assembly (13), and a wire positioning component (14) is fixedly provided in the top profile track (4). The wire assembly (13) includes a roller mounting seat (1301) fixedly provided on the middle driven door (2), a first wire roller (1302) rotatably provided on the roller mounting seat (1301), a second wire roller (1303) rotatably provided on the fourth roller bracket (801), and a wire (1304) wound between the first wire roller (1302) and the second wire roller (1303). A driven wire locking component (15) is fixedly provided on the second roller bracket (601). The wire positioning component (14) is fixedly connected to the front side of the wire (1304), and the driven wire locking component (15) is fixedly connected to the rear side of the wire (1304).
8. The height adjustment device for the bathroom interlocking door according to claim 7, characterized in that, A buffer aluminum profile (16) is provided in the top profile track (4). A connecting groove (1601) is provided in the buffer aluminum profile (16). A connecting part (17) is provided on the roller mounting seat (1301). The connecting part (17) is embedded in the connecting groove (1601) so that the roller mounting seat (1301) is fixedly connected to the buffer aluminum profile (16). A first clamping piece group (18) is provided on the third roller bracket (701). The first clamping piece group (18) is embedded in the connecting groove (1601) so that the third roller bracket (701) is fixedly connected to the buffer aluminum profile (16). A second clamping piece group (19) is provided on the fourth roller bracket (801). The second clamping piece group (19) is embedded in the connecting groove (1601) so that the fourth roller bracket (801) is fixedly connected to the buffer aluminum profile (16).