Glass door limiting wheel lifting structure of clean bench

Through the design of the guide assembly and the limit assembly, the rolling friction between the guide wheel and the limit plate is used instead of the sliding friction, which solves the problem of easy scratching and high friction of the clean workbench glass door, and realizes the smooth lifting and high-reliability limiting of the glass door.

CN223459259UActive Publication Date: 2025-10-21ZHONGKE MEILING CRYOGENICS CO LTD
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Patent Information

Application Number
CN202423015139.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-04
Publication Date
2025-10-21
Estimated Expiration
2034-12-04

AI Technical Summary

Technical Problem

The contact area between the clean bench glass door and the door frame groove is easily scratched and has high friction, making it difficult to adjust smoothly.

Method used

The guide assembly and the limit assembly are adopted, and the rolling friction between the guide wheel and the limit plate is used to replace the sliding friction. The lifting and lowering of the glass door is achieved through the rolling friction between the guide wheel and the limit plate. The torsion spring and the pin shaft structure are combined to ensure the stable contact between the guide wheel and the limit plate.

Benefits of technology

It reduces the risk of scratching the glass door and door frame, improves the convenience of adjustment and the reliability of limit, and extends the service life of the glass door.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a glass door limiting wheel lifting structure of a clean bench, which comprises a cabinet body, and further comprises a guide assembly which comprises a door frame arranged at the front end of the cabinet body and a guide plate fixedly connected to the inner side of the door frame and used for guiding the up-and-down movement of a glass door piece; the limiting assembly comprises a guide wheel provided with a second groove in the outer side and used for rolling up and down along the guide plate, and jacking plates arranged at the two ends of the guide wheel and used for jacking the guide wheel to one side of the guide plate. A torsional spring is arranged on the outer side of a second pin shaft and located between a jacking plate and an inner sleeve plate in a sleeving mode, the jacking plate abuts against the outer side of a first pin shaft under the interaction force between the torsional spring and the inner sleeve plate, and the jacking plate abuts against a guide wheel to the edge of a limiting plate through a third pin shaft, so that in the lifting adjusting process of the glass door piece, the guide wheel is not prone to falling off. And the second groove in the outer side of the guide wheel always abuts against the edge of the limiting plate, and the limiting reliability of the glass door piece in the up-down adjusting process is high.
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Description

TECHNICAL FIELD

[0001] The utility model relates to clean workstation glass door technical field, concretely is a kind of clean workstation's glass door limiting wheel lifting structure. BACKGROUND

[0002] At present, the lifting mode of clean workstation glass door is mainly divided into two kinds, one is to adjust the glass door by manual operation, and the other is to adjust the glass door by electric control, no matter which lifting adjustment mode of glass door is used, the glass door of clean workstation needs to be limited;

[0003] The limiting mode of clean workstation in prior art is usually to reserve recess on both sides of the door frame of clean workstation, then the glass door is inserted and connected in the recess, the recess can limit the front and back of both sides of the glass door, however, the following defects exist in this way:

[0004] 1, the contact area of glass door and recess on both sides of door frame is too large, after the up and down push-pull adjustment of glass door for a period of time, the area directly contacted by glass door and door frame recess is prone to scratch, affecting the service life of glass door;

[0005] 2, the friction between glass door and door frame is sliding friction, and the friction force is relatively large, so that the up and down adjustment of glass door is difficult.

[0006] The above content is only used to assist understanding of the technical scheme of the present application, and does not represent the acknowledgement of the above content as the closest prior art. UTILITY MODEL CONTENT

[0007] The utility model aims at providing a kind of clean workstation's glass door limiting wheel lifting structure, to solve the problems that clean workstation glass door in prior art exists in the above background art, glass door and door frame recess directly contacted area is prone to scratch, and the friction between glass door and door frame recess is sliding friction, not easy to adjust.

[0008] To achieve the above object, the utility model provides the following technical scheme:

[0009] A kind of clean workstation's glass door limiting wheel lifting structure, including cabinet, further comprising:

[0010] Guiding component, including the door frame of the front end of the cabinet, fixedly connected in door frame inner side for the guiding plate of the up and down movement of glass door piece is guided;

[0011] Limiting component, including the second recess for the guide wheel for being up and down rolled along the guide plate on outer side, be located at the both ends of the guide wheel for the top tight plate of the guide wheel is tightly connected on the side of guide plate.

[0012] Further, the guide plate comprises:

[0013] The first recess is arranged inside the guide plate and used for accommodating the limiting assembly.

[0014] The limiting plate is fixedly connected to one side of the first recess and used for limiting and guiding the guide wheel.

[0015] Further, the limiting assembly further comprises:

[0016] The outer sleeve plate is arranged in two groups respectively at both sides of the glass door near the edges, and the first fastening bolt for fastening the outer sleeve plate and the glass door is arranged inside the glass door.

[0017] The inner sleeve plate is arranged inside the outer sleeve plate, and the second fastening bolt for fastening the inner sleeve plate and the outer sleeve plate is arranged inside the outer sleeve plate.

[0018] The pressing plate is arranged inside the inner sleeve plate and used for pressing the guide wheel against one side of the limiting plate.

[0019] Further, the second pin shaft is fixedly inserted into the lower part of the inner sleeve plate.

[0020] The pressing plate is arranged outside the second pin shaft.

[0021] Further, the first pin shaft for limiting the rotation angle of the pressing plate is fixedly inserted into the upper part of the inner sleeve plate.

[0022] The limiting groove is arranged inside the pressing plate and located outside the first pin shaft.

[0023] The third pin shaft for limiting the guide wheel is fixedly inserted into the upper part of the pressing plate.

[0024] Further, the torsion spring is arranged outside the second pin shaft and between the pressing plate and the inner sleeve plate, one end of the torsion spring is abutted against the inner side of the pressing plate, the other end of the torsion spring is abutted against the inner side of the inner sleeve plate, and the torsion spring is used for pressing the pressing plate against the opening direction of the inner sleeve plate around the second pin shaft.

[0025] Further, the second reserved groove and the first reserved groove are arranged at the corresponding positions of both sides of the outer sleeve plate and both ends of the first pin shaft and the second pin shaft respectively, and the first pin shaft and the second pin shaft are inserted into the inner sleeve plate through the side of the outer sleeve plate.

[0026] Compared with the prior art, the utility model has the beneficial effects that:

[0027] 1. The utility model discloses a glass door piece is opened to the glass door piece is moved up through the push of the pull handle, and the glass door piece is moved up through the pull handle, and the glass door piece is moved up through the inner sleeve plate of the outer sleeve plate under the action of second fastening bolt, and the inner sleeve plate is moved up through the second pin shaft and drives the top tight board, and the top tight board is moved up through the third pin shaft and drives the guide wheel along the limiting plate and rolls, and the opening work of glass door piece is completed, and in the whole opening work process of glass door piece, the rolling friction between guide wheel and limiting plate has replaced the sliding friction between glass door piece and door frame in the prior art, is convenient for the up and down sliding adjustment of glass door piece, also has reduced the scratch risk between glass door piece and door frame, has prolonged the service life of glass door piece.

[0028] 2. The utility model discloses a torsional spring is set through the second pin shaft outside and between the top tight board and the inner sleeve plate, and the top tight board is pressed tightly on the outside of first pin shaft under the interaction between torsional spring and the inner sleeve plate, and the guide wheel is pressed tightly on the edge of limiting plate through the third pin shaft of top tight board, so that in the lifting adjustment process of glass door piece, the second recess of guide wheel outside always keeps and presses tightly with the edge of limiting plate, and the limiting reliability of glass door piece in the up and down adjustment process is high. ACCURACY OF DRAWINGS

[0029] Figure 1 It is the whole structure schematic diagram of the utility model;

[0030] Figure 2 It is the cooperation relation diagram of the guide plate and door frame of the utility model;

[0031] Figure 3 It is the cooperation relation diagram of the guide component and limiting component of the utility model;

[0032] Figure 4 It is the cooperation relation diagram of glass door and limiting component of the utility model;

[0033] Figure 5 It is the cooperation relation diagram of limiting plate and second recess of the utility model;

[0034] Figure 6 It is the limiting component structure schematic diagram of the utility model;

[0035] Figure 7 It is the cooperation relation diagram of torsional spring and top tight board of the utility model.

[0036] 100, cabinet body; 101, glass door piece; 1011, pull handle; 1, guide assembly; 11, guide plate; 111, first groove; 112, limiting plate; 12, door frame; 2, limiting assembly; 21, outer sleeve plate; 211, first reserved groove; 212, second reserved groove; 22, first fastening bolt; 23, inner sleeve plate; 231, second fastening bolt; 232, accommodating groove; 24, top pressing plate; 241, first pin shaft; 242, second pin shaft; 243, third pin shaft; 244, limiting groove; 25, guide wheel; 251, second groove; 26, torsional spring. DETAILED DESCRIPTION

[0037] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0038] Please refer to Figures 1-7 The utility model provides a technical scheme:

[0039] The glass door limiting wheel lifting structure is applied to the clean workbench field and comprises a cabinet body 100 and further comprises:

[0040] The guide assembly 1 comprises a door frame 12 arranged at the front end of the cabinet body 100 and a guide plate 11 fixedly connected to the inner side of the door frame 12 and used for guiding the up-down movement of the glass door piece 101.

[0041] The limiting assembly 2 comprises a guide wheel 25 provided with a second groove 251 on the outer side and used for rolling up and down along the guide plate 11 and a top pressing plate 24 arranged at both ends of the guide wheel 25 and used for pressing the guide wheel 25 against one side of the guide plate 11.

[0042] The front end of the glass door piece 101 is provided with a pull handle 1011 used for adjusting the glass door up and down at the lower part.

[0043] As an improvement, as shown in Figure 5 The guide plate 11 comprises:

[0044] The first groove 111 is arranged inside the guide plate 11 and used for accommodating the limiting assembly 2.

[0045] The limiting plate 112 is fixedly connected to one side of the first groove 111 and used for limiting and guiding the guide wheel 25.

[0046] Further, as shown in Figures 4-7 The limiting assembly 2 further comprises:

[0047] Two sets of outer plates 21 are provided on both sides of the glass door 101 near the edges, and first fastening bolts 22 are provided through the interior of the glass door for fastening the outer plates 21 to the glass door;

[0048] The inner plate 23 is provided inside the outer plate 21. The outer plate 21 is provided with a second fastening bolt 231 for fastening the inner plate 23 to the outer plate 21.

[0049] The tightening plate 24 is rotatably disposed inside the inner sleeve plate 23 and is used to tighten the guide wheel 25 to one side of the limiting plate 112 .

[0050] Furthermore, Figures 6-7 As shown, a second pin 242 is fixedly inserted into the lower part of the inner plate 23;

[0051] The pressing plate 24 is rotatably sleeved on the outer side of the second pin shaft 242 .

[0052] A first pin 241 is fixedly inserted into the inner sleeve 23 to limit the rotation angle of the pressing plate 24.

[0053] A limiting groove 244 is provided in the tightening plate 24 and outside the first pin shaft 241;

[0054] A third pin 243 for limiting the guide wheel 25 is fixedly inserted into the upper part of the tightening plate 24 .

[0055] In addition, if Figure 7 As shown, a torsion spring 26 is provided outside the second pin shaft 242 and between the tightening plate 24 and the inner sleeve plate 23. One end of the torsion spring 26 is pressed against the inner side of the tightening plate 24, and the other end is pressed against the inner side of the inner sleeve plate 23, so as to tighten the tightening plate 24 around the second pin shaft 242 toward the opening direction of the inner sleeve plate 23.

[0056] As an improvement, second reserved grooves 212 and first reserved grooves 211 are respectively provided on both sides of the outer sleeve 21 corresponding to the two ends of the first pin shaft 241 and the second pin shaft 242, which are used to insert the first pin shaft 241 and the second pin shaft 242 into the inner sleeve 23 through the side of the outer sleeve 21.

[0057] It should be noted that, in the present invention, the inner sleeve plate 23 is provided with a receiving groove 232 for receiving the tightening plate 24 , and the outer sleeve plate 21 is provided with a groove for receiving the inner sleeve plate 23 .

[0058] It should be noted that: in the specific implementation process of this utility model, Figures 3-6As shown, taking the opening glass door piece 101 as an example, when it is needed to open the glass door piece 101 upward along the door frame 12, the operator can push the pull handle 1011 upward by hand, the pull handle 1011 drives the glass door piece 101 to move upward, the glass door piece 101 drives the inner sleeve plate 23 to move upward under the action of the second fastening bolt 231 through the outer sleeve plate 21, the inner sleeve plate 23 drives the top pressing plate 24 to move upward through the second pin shaft 242, the top pressing plate 24 drives the guide wheel 25 to roll along the limiting plate 112 through the third pin shaft 243, the opening work of the glass door piece 101 is completed, and in the whole opening work process of the glass door piece 101, the rolling friction between the guide wheel 25 and the limiting plate 112 is always used to replace the sliding friction between the glass door piece 101 and the door frame 12 in the prior art, the up-down sliding adjustment of the glass door piece 101 is facilitated, the scratching risk between the glass door piece 101 and the door frame 12 is reduced, and the service life of the glass door piece 101 is prolonged;

[0059] As Figures 5-7 As shown, in addition, in the utility model, the torsional spring 26 is sleeved between the top pressing plate 24 and the inner sleeve plate 23 outside the second pin shaft 242, the top pressing plate 24 is tightly pressed outside the first pin shaft 241 under the interaction force between the torsional spring 26 and the inner sleeve plate 23, the guide wheel 25 is tightly pressed at the edge of the limiting plate 112 through the third pin shaft 243, so that the second groove 251 outside the guide wheel 25 is always tightly pressed at the edge of the limiting plate 112 in the lifting adjustment process of the glass door piece 101, and the limiting reliability of the glass door piece 101 in the up-down adjustment process is high.

[0060] It should be noted that in this document, relationship terms such as first and second and the like are used only to differentiate one entity or action from another, and do not necessarily require or imply that these entities or actions exist in any actual relationship or order. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0061] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A clean bench glass door limiting wheel lifting structure, comprising a cabinet body (100), characterized in that, Also include: The guide assembly (1) includes a door frame (12) provided at the front end of the cabinet (100), a guide plate (11) fixedly connected to the inner side of the door frame (12) for guiding the up-down movement of the glass door piece (101); The limiting assembly (2) includes a guide wheel (25) provided with a second groove (251) on the outer side for rolling up and down along the guide plate (11), and a clamping plate (24) provided at both ends of the guide wheel (25) for clamping the guide wheel (25) on one side of the guide plate (11).

2. The glass door limiting wheel lifting structure of the clean bench according to claim 1, wherein: The guide plate (11) comprises: A first groove (111) is provided inside the guide plate (11) for accommodating the limiting assembly (2); The limiting plate (112) is fixedly connected to one side of the first groove (111) for limiting and guiding the guide wheel (25).

3. The glass door limiting wheel lifting structure of the clean bench according to claim 2, wherein: The limiting assembly (2) further comprises: Two sets of outer sleeve plates (21) are respectively provided on both sides of the glass door piece (101) near the edges, and a first fastening bolt (22) is provided inside the glass door for fastening the outer sleeve plate (21) and the glass door; An inner sleeve plate (23) is provided inside the outer sleeve plate (21), and a second fastening bolt (231) is provided inside the outer sleeve plate (21) for fastening the inner sleeve plate (23) and the outer sleeve plate (21); A clamping plate (24) is rotatably provided inside the inner sleeve plate (23) for clamping the guide wheel (25) on one side of the limiting plate (112).

4. The glass door limiting wheel lifting structure of the clean bench according to claim 3, wherein: A second pin shaft (242) is fixedly inserted into the lower part of the inner sleeve plate (23); The clamping plate (24) is rotatably sleeved on the outer side of the second pin shaft (242).

5. The glass door limiting wheel lifting structure of the clean bench according to claim 4, wherein: A first pin shaft (241) is fixedly inserted into the upper part of the inner sleeve plate (23) for limiting the rotation angle of the clamping plate (24); A limiting groove (244) is provided inside the clamping plate (24) and located on the outer side of the first pin shaft (241); A third pin shaft (243) is fixedly inserted into the upper part of the inner sleeve plate (23) for limiting the guide wheel (25).

6. The glass door limiting wheel lifting structure of the clean bench according to claim 4, wherein: A torsion spring (26) is sleeved between the outer side of the second pin shaft (242) and the clamping plate (24) and the inner sleeve plate (23), one end of the torsion spring (26) abuts against the inner side of the clamping plate (24), and the other end abuts against the inner side of the inner sleeve plate (23), for clamping the clamping plate (24) towards the opening direction of the inner sleeve plate (23) around the second pin shaft (242).

7. The glass door limiting wheel lifting structure of the clean bench according to claim 5, wherein: Two sides of the outer sleeve plate (21) are respectively provided with a second reserved groove (212) and a first reserved groove (211) corresponding to two ends of the first pin shaft (241) and the second pin shaft (242), so that the first pin shaft (241) and the second pin shaft (242) are inserted into the inner sleeve plate (23) through the side of the outer sleeve plate (21).