Clean door with mistaken clamping prevention function
By designing an anti-clip device in the clean door, the elastic limiting mechanism of the metal clamping plate, connecting the sliding sleeve and the spring guide ring, combined with the control of the proximity sensor and the speed reduction motor, the problem of the clean door being easily clamped when closed is solved, significantly improving the safety performance.
Patent Information
- Application Number
- CN202421235430.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-03
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2034-06-03
AI Technical Summary
The existing clean doors are prone to accidentally clamping the human body when closed, reducing the safety of the clean doors.
A clean door with anti-clip function is designed, using a metal clamp plate and a connecting sliding sleeve for elastic sliding limit through a spring guide ring, and combined with multiple sets of proximity sensors to induce and confirm the wrong clamp operation. The reducer motor and ball screw are used to drive the closure and reset of the clean door housing.
It effectively prevents direct rigid damage to people who are accidentally clamped when closed, and improves the safety performance of the clean door shell when used.
Smart Images

Figure CN222686482U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of clean door equipment, in particular to a clean door with an anti-mis-clamping function. Background Art
[0002] Clean doors, also known as purification doors, are suitable for clean workshops, hospitals, pharmaceutical factories, food factories and other places with cleanliness requirements. They have a variety of material options, such as steel doors, stainless steel doors, color steel door, melamine resin door, etc. The core material of the clean door is generally made of high-quality flame-retardant paper honeycomb or aluminum honeycomb to ensure its strength and flatness.
[0003] As disclosed in the utility model patent with publication number: CN107965246A, an automatic clean door for a clean room includes: a door frame, which includes an upper door frame and a lower door frame; a door panel, which is slidably arranged on the door frame, and the door panel includes a first door panel and a second door panel that open and close with each other, and a sealing structure is arranged on the door panel so that when the clean door is closed, the first door panel and the second door panel fit tightly; a sealing strip, which is arranged around the opening of the wall, and is used to fill the gap formed between the first door panel and the second door panel and the wall; wherein a driving mechanism is arranged on the upper door frame, which is used to drive the first door panel and the second door panel to selectively open or close. The clean door in this case has a high degree of automation, and a sealing structure is arranged on the door panel, so that the sealing performance of the clean door is good.
[0004] Although the above-mentioned clean door has a certain sealing performance, it is not convenient to perform real-time sensing operation on obstacles when the clean door is closed, which makes it easy for the clean door to accidentally clamp the human body when closing, reducing the safety of the clean door. Therefore, a clean door with an anti-accidental clamping function is urgently needed to solve the above-mentioned problems. Utility Model Content
[0005] The utility model aims to provide a clean door with an anti-mis-clamping function to solve the problems raised in the above background technology.
[0006] To achieve the above object, the utility model provides the following technical solution: a clean door with an anti-misclamping function, comprising a clean door slide seat, the inner end surface of the clean door slide seat is provided with a sealing slide groove for guiding, and the upper center and the lower center of the sealing slide groove are both provided with guide slide grooves,
[0007] A supporting device, wherein the supporting device is slidably engaged with the inner end surface of the clean door sliding seat through the sealing sliding groove;
[0008] A reduction motor, wherein the reduction motor is fixedly arranged on the upper end surface of the clean door slide near the middle, and a ball screw for transmission is fixedly arranged at the output end of the reduction motor;
[0009] An anti-mis-clamping device is fixedly arranged on the side end surface of the supporting device.
[0010] Preferably, the anti-mis-clamping device includes a fixed clamping seat, the upper end surface of the fixed clamping seat is provided with a connecting guide groove for limiting, a fixed clamping plate is fixedly arranged at the bottom of the inner end surface of the fixed clamping seat, and five groups of proximity sensors are equidistantly arranged on the inner end surface of the fixed clamping plate, a connecting sleeve is slidably connected to the outer end surface of the fixed clamping seat through the connecting guide groove, and a metal clamping plate is fixedly arranged on the top of the inner end surface of the connecting sleeve, and five groups of spring guide rings are equidistantly arranged on the lower end surface of the metal clamping plate.
[0011] Preferably, the supporting device comprises a clean door housing, the upper and lower parts of the clean door housing are both provided with guide sliders for guiding, and a ball bearing slide is fixedly mounted on the upper end surface of the guide slider located at the upper part.
[0012] Preferably, the clean door shell is sealed and slidably connected to the inner end surface of the clean door slide through the sealing groove, and the spring guide ring is fixedly connected to the fixed clamping plate. The spring guide ring can provide sufficient elastic force for the connecting sleeve and the metal clamping plate to reset, thereby improving the stability of subsequent reset of the connecting sleeve.
[0013] Preferably, the guide groove is adapted to the guide slider, and the clean door shell is adapted to the guide slider through the guide groove and then slidably engaged with the inner end surface of the clean door slide, which can effectively improve the guiding stability of the subsequent clean door shell when closing inside the clean door slide.
[0014] Preferably, the ball bearing slide is threadedly connected to the ball bearing screw, which can effectively improve the stability of subsequent displacement of the clean door housing inside the clean door slide.
[0015] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0016] 1. In the utility model, the metal clamping plate and the connecting sleeve can pass through the spring guide ring, and then elastically slide and limit on the outside of the connecting guide groove, so that the connecting sleeve can elastically buffer the person who is accidentally clamped, and prevent direct rigid damage to the person who is accidentally clamped. At the same time, multiple groups of proximity sensors can sense the pressed metal clamping plates multiple times, and then accurately determine the mis-clamping operation of the clean door shell, effectively improving the safety performance of the clean door shell when in use. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a disassembled diagram of the main body of the utility model;
[0018] Figure 2It is a structural schematic diagram of the main body of the utility model;
[0019] Figure 3 This is a disassembled diagram of the anti-misclamping device of the utility model;
[0020] Figure 4 It is a structural schematic diagram of the support device of the utility model.
[0021] In the figure: 1-ball screw, 2-reduction motor, 3-guide slide, 4-sealed slide, 5-anti-misclamping device, 6-support device, 7-clean door slide, 51-fixed card seat, 52-connecting guide groove, 53-fixed card plate, 54-metal card plate, 55-connecting sleeve, 56-spring guide ring, 57-proximity sensor, 61-clean door housing, 62-ball slide, 63-guide slider. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0023] See also Figure 1-4 The utility model provides an embodiment: a clean door with an anti-misclamping function, comprising a clean door slide seat 7, the inner end surface of the clean door slide seat 7 is provided with a sealing slide groove 4 for guiding, and the upper center and the lower center of the sealing slide groove 4 are both provided with a guide slide groove 3,
[0024] The supporting device 6 is slidably connected to the inner end surface of the clean door sliding seat 7 through the sealing sliding groove 4;
[0025] The reduction motor 2 is fixedly arranged on the upper end surface of the clean door slide 7 near the middle, and a ball screw 1 for transmission is fixedly arranged at the output end of the reduction motor 2;
[0026] The anti-mis-clamping device 5 is fixedly arranged on the side end surface of the supporting device 6.
[0027] The anti-mis-clamping device 5 includes a fixed base 51, the upper end surface of the fixed base 51 is provided with a connecting guide groove 52 for limiting, a fixed clamping plate 53 is fixedly arranged at the bottom of the inner end surface of the fixed base 51, and five groups of proximity sensors 57 are equidistantly arranged on the inner end surface of the fixed clamping plate 53, a connecting sleeve 55 is slidably connected to the outer end surface of the fixed base 51 through the connecting guide groove 52, and a metal clamping plate 54 is fixedly arranged on the top of the inner end surface of the connecting sleeve 55, and five groups of spring guide rings 56 are equidistantly arranged on the lower end surface of the metal clamping plate 54.
[0028] The supporting device 6 comprises a clean door housing 61 , and guide sliders 63 for guiding are disposed at the upper and lower parts of the clean door housing 61 , and a ball bearing slide 62 is fixedly mounted on the upper end surface of the guide slider 63 located at the upper part.
[0029] The clean door shell 61 is sealed and slidably connected to the inner end surface of the clean door slide 7 through the sealing groove 4, and the spring guide ring 56 is fixedly connected to the fixed clamping plate 53. The spring guide ring 56 can provide sufficient elastic force for the connecting sleeve 55 and the metal clamping plate 54 to reset, thereby improving the stability of the subsequent reset of the connecting sleeve 55.
[0030] The guide groove 3 is adapted to the guide slider 63, and the clean door housing 61 is adapted to the guide slider 63 through the guide groove 3 and then slidably connected to the inner end surface of the clean door slide 7, which can effectively improve the guiding stability of the subsequent clean door housing 61 when closing inside the clean door slide 7.
[0031] The ball slide 62 is threadedly connected to the ball screw 1 , which can effectively improve the stability of the subsequent displacement of the clean door housing 61 inside the clean door slide 7 .
[0032] Working principle: During use, if the clean door housing 61 needs to be closed, the user can start the reduction motor 2 through the external control device, and then the reduction motor 2 can drive the ball screw 1 to rotate, and the ball screw 1 can be connected with the ball slide 62 through a thread, thereby driving the clean door housing 61 to move toward the closed side inside the sealing slide 4. When the clean door housing 61 encounters an obstacle during displacement and is mis-clamped, the connecting sleeve 55 can drive the metal clamping plate 54 to move inward, and the spring guide ring 56 can elastically buffer the metal clamping plate 54 and the connecting sleeve 55. When the connecting sleeve 55 drives the metal clamping plate 54 to move to a certain extent, multiple sets of proximity sensors 57 can sense the metal clamping plate 54, and then perform multiple confirmations of the mis-clamping operation. At this time, the reduction motor 2 reverses, and then drives the clean door housing 61 to reset through the ball screw 1 to prevent damage to the staff who are mis-clamped.
[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A clean door with an anti-misclamping function, comprising a clean door slide seat (7), the inner end surface of the clean door slide seat (7) is provided with a sealing slide groove (4) for guiding, and the upper center and the lower center of the sealing slide groove (4) are both provided with guide slide grooves (3), characterized in that: A supporting device (6), the supporting device (6) being slidably engaged with the inner end surface of the clean door sliding seat (7) through the sealing sliding groove (4); A reduction motor (2), the reduction motor (2) being fixedly arranged on the upper end surface of the clean door slide seat (7) near the middle, and a ball screw (1) for transmission being fixedly arranged at the output end of the reduction motor (2); An anti-mis-clamping device (5), the anti-mis-clamping device (5) being fixedly arranged on a side end surface of the supporting device (6); The anti-mis-clamping device (5) comprises a fixed clamping seat (51), the upper end surface of the fixed clamping seat (51) is provided with a connecting guide groove (52) for limiting, a fixed clamping plate (53) is fixedly arranged at the bottom of the inner end surface of the fixed clamping seat (51), and five groups of proximity sensors (57) are equidistantly arranged at the inner end surface of the fixed clamping plate (53), a connecting sleeve (55) is slidably clamped at the outer end surface of the fixed clamping seat (51) through the connecting guide groove (52), a metal clamping plate (54) is fixedly arranged at the top of the inner end surface of the connecting sleeve (55), and five groups of spring guide rings (56) are equidistantly arranged at the lower end surface of the metal clamping plate (54); The supporting device (6) comprises a clean door housing (61), the upper and lower parts of the clean door housing (61) are both provided with guide sliders (63) for guiding, and a ball bearing slide seat (62) is fixedly mounted on the upper end surface of the guide slider (63) located at the upper part; The ball sliding seat (62) is threadedly connected to the ball screw (1).
2. The clean door with anti-mis-clamping function according to claim 1, characterized in that: The clean door housing (61) is sealed and slidably clamped on the inner end surface of the clean door sliding seat (7) through the sealing sliding groove (4), and the spring guide ring (56) is fixedly connected to the fixed clamping plate (53).
3. The clean door with anti-mis-clamping function according to claim 2 is characterized in that: The guide slide groove (3) is matched with the guide slide block (63), and the clean door housing (61) is matched with the guide slide block (63) through the guide slide groove (3) and is then slidably engaged with the inner end surface of the clean door slide seat (7).
Citation Information
Patent Citations
Automatic clean door for clean room
CN107965246A