Metal plate placing cabinet with anti-pinch structure

By incorporating anti-pinch airbags and spring telescopic rods into the metal plate storage cabinet, combined with the design of cabinet door knobs and adjusting sliders, the problem of hand pinching in traditional metal plate storage cabinets is solved, achieving safer cabinet door operation.

CN223947872UActive Publication Date: 2026-02-27XIAMEN QIANBAI STEEL IND & TRADE CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520334641.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-28
Publication Date
2026-02-27
Estimated Expiration
2035-02-28

AI Technical Summary

Technical Problem

Traditional metal cabinets lack anti-pinch protection structures on the door edges and anti-pinch pulling structures, making it easy for users to be pinched when closing or pulling the cabinet doors.

Method used

An anti-pinch airbag and a spring telescopic rod are installed on the main body of the sealed cabinet door. The elastic structure of the anti-pinch airbag protects the palm of the hand, and an adjusting slider and a sliding connecting rod are installed on the cabinet door knob and the rotating connecting arm to buffer the spring force of the cabinet door shaft.

Benefits of technology

It effectively prevents hands from being pinched when the cabinet door closes, reduces the clamping force when the cabinet door rotates, and improves the user's safety and comfort.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223947872U_ABST
    Figure CN223947872U_ABST
Patent Text Reader

Abstract

The utility model relates to the related technical field of metal product processing, in particular to a metal plate placing cabinet with an anti-pinch structure, which comprises a placing cabinet main body, and sealing cabinet door main bodies are arranged on the left side and the right side of the front end of the placing cabinet main body. And a cabinet door pull button is arranged at the position, close to the middle of the containing cabinet body, of the middle of the surface of the front end of the sealed cabinet door body in a slotted mode, and universal pulleys are fixedly installed at the four corners of the bottom end of the containing cabinet body. The improved metal plate placing cabinet with the anti-pinch structure is provided with the anti-pinch air bags and the spring telescopic rods, the anti-pinch air bags are arranged on the surfaces of the sides, close to each other, of the sealed cabinet door main body in a slotting mode, and the elastic structures of the anti-pinch air bags directly prevent the palm from being damaged when the palm is clamped by the sealed cabinet door main body. The palm is protected due to the elastic structure of the anti-pinch air bag, and meanwhile, the palm is prevented from being pinched when the cabinet door is closed and rotates by additionally arranging an elastic buffer structure between the sealed cabinet door main body and the placing cabinet main body.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to metal product processing related technical field, concretely is a metal plate placing cabinet with anti -pinching structure. BACKGROUND

[0002] Metal plate placing cabinet is the cabinet equipment of storage metal plate, through setting up the placing layer board of multilayer superposition structure in the cabinet body, so that the user can batch type places the metal plate in the layer board clearance space inside the metal plate placing cabinet,

[0003] And the close structure of placing cabinet, easy to cause the user to be injured finger when placing metal plate between the gap between layer board and metal plate, simultaneously when closing the sealing cabinet door, will due to the factor of hand holding the edge of cabinet door, and cause the user's hand to be injured.

[0004] The inventor finds that the prior art has the following problems in the process of realizing the utility model: 1, the traditional metal plate placing cabinet lacks the protection structure when closing the cabinet door, avoids being injured by the cabinet door when closing the cabinet door due to hand holding the edge of cabinet door, and further will affect the use feeling of user; 2, the traditional metal plate placing cabinet lacks the pulling structure of opening cabinet door, avoids when opening and closing the cabinet door, due to the spring inside the rotating structure between the cabinet door and placing cabinet, further makes the user need to overcome the elastic force of torsion spring by pulling force when pulling the cabinet door, and the user may be clamped by the palm of spring when pulling the cabinet door. UTILITY MODEL CONTENTS

[0005] The utility model discloses a metal plate placing cabinet with anti -pinching structure to solve the problem that the traditional metal plate placing cabinet lacks the cabinet door edge anti -pinching protection structure and lacks the anti -pinching pulling structure in the background art. To achieve the above object, the utility model provides the following technical scheme: a metal plate placing cabinet with anti -pinching structure, including placing cabinet main part, the front end left and right sides of placing cabinet main part are all provided with sealing cabinet door main body, and the front end surface middle part of sealing cabinet door main body is close to the part of placing cabinet main part middle part and is provided with the cabinet door pull button of groove, the bottom of placing cabinet main part Four corners are all fixedly installed with universal pulley, and the inside upper left and right sides of placing cabinet main part are all provided with a group of placing cabinet layer board,

[0006] The rear side surface of the sealing cabinet door body is provided with a rectangular sliding groove in the middle of the upper end, and a second sliding connecting rod is arranged in the sliding groove.

[0007] The rear end of the cabinet door pull knob is provided with a spring connecting rod, and the middle of the cabinet door pull knob is provided with a rotating connecting arm on the upper and lower sides.

[0008] Further preferably, the left and right side surfaces of the placement cabinet layer plate are tightly attached to the inner walls of the left and right sides of the placement cabinet body, and the length of the placement cabinet layer plate is equal to the length of the inner partition plate of the placement cabinet body, and the length of the placement cabinet layer plate is less than the width of the inner wall of the placement cabinet body.

[0009] Further preferably, the middle of one end of the left and right sides of the sealing cabinet door body is rotatably connected to the middle of the left and right sides of the front end of the placement cabinet body through a rotating shaft, and the end of the air bag on the other side surface of the sealing cabinet door body is fixed to the inner wall of the side surface groove of the sealing cabinet door body.

[0010] Further preferably, the inner wall of the placement cabinet body is provided with a rectangular sliding groove on the left and right sides of the front side of the upper end, and the left and right ends of the first sliding connecting rod are fixed to the middle of the left and right sides of the rectangular sliding groove of the placement cabinet body.

[0011] Further preferably, the spring telescopic rods are connected to the end of the sealing door connecting block through rotating shafts, and the front side surfaces of the sealing door connecting block are slidingly connected to the inner walls of the rectangular sliding grooves of the sealing cabinet door body, and the middle parts of the second sliding connecting rods are slidingly connected to the middle parts of the sealing door connecting blocks, the middle parts of the second sliding connecting rods and the first sliding connecting rods are sleeved with springs, and the two ends of the middle part spring of the first sliding connecting rod are connected to the inner wall of the rectangular sliding groove of the placing cabinet body and the one end surface of the placing cabinet connecting block respectively, and the two ends of the middle part spring of the second sliding connecting rod are connected to the inner wall of the rectangular sliding groove of the sealing cabinet door body and the end surface of the sealing door connecting block respectively.

[0012] Further preferably, the middle parts of the cabinet door pull knobs are slidingly connected to the middle parts of the inner walls of the middle sliding grooves of the sealing cabinet door body, the middle parts of the front ends of the spring connecting rods are fixed to the middle parts of the rear ends of the cabinet door pull knobs, and the rear ends of the spring connecting rods are fixed to the inner walls of the grooves of the sealing cabinet door body, and the middle parts of the third sliding connecting rods are fixed to the inner walls of the grooves of the sealing cabinet door body.

[0013] Further preferably, the one ends of the rotating connecting arms close to the cabinet door pull knobs are rotatably connected to the upper and lower sides of the rear ends of the cabinet door pull knobs through rotating shafts, the other ends of the rotating connecting arms are rotatably connected to the middle parts of the front ends of the adjusting sliding blocks, the middle parts of the upper and lower ends of the third sliding connecting rods are slidingly connected to the middle parts of the rear ends of the adjusting sliding blocks, and the middle parts of the third sliding connecting rods are connected to the surfaces of the adjusting sliding blocks and the inner walls of the grooves of the sealing cabinet door body through springs.

[0014] Compared with the prior art, the cabinet door has the following beneficial effects:

[0015] In the utility model, the anti-pinch air bag and the spring telescopic rod are arranged, the anti-pinch air bag is arranged on the side surface of the sealing cabinet door body close to each other, the palm is protected when being clamped by the sealing cabinet door body due to the elastic structure of the anti-pinch air bag, and the spring telescopic rod is connected between the sealing cabinet door body and the placing cabinet body, and the elastic buffer structure is additionally arranged on the two sides of the spring telescopic rod, so that the closing speed of the cabinet door is accelerated by the elastic force of the spring in the rotating shaft when the cabinet door is closed and rotated, and the palm is clamped.

[0016] The utility model discloses, be provided with the cabinet door pull button and the adjusting sliding block, through the cabinet door pull button of slot installation in the front side of sealed cabinet door main part, make the user can pull or push the cabinet door pull button, to make the cabinet door pull button can drive the adjusting sliding block along the third sliding connecting rod sliding through the rotation connecting arm, and through the elastic buffer of third sliding connecting rod middle part spring left and right two sides pivot spring of sealed cabinet door main part elasticity, avoid due to the elasticity of pivot interior spring and lead to the palm of the hand of user being pinched. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is whole structure schematic diagram of the utility model;

[0018] Figure 2 It is whole structure schematic diagram of the utility model;

[0019] Figure 3 It is the placement cabinet layerboard amplification structure schematic diagram of the utility model;

[0020] Figure 4 It is the sealed cabinet door main part amplification structure schematic diagram of the utility model;

[0021] Figure 5 It is the first sliding connecting rod amplification structure schematic diagram of the utility model;

[0022] Figure 6 It is the rotation connecting arm amplification structure schematic diagram of the utility model.

[0023] In the drawing: 1, the placement cabinet main part;2, the sealed cabinet door main part;3, the cabinet door pull button;4, the placement cabinet layerboard;5, the anti-pinch air bag;6, the spring telescopic rod;7, the first sliding connecting rod;8, the placement cabinet connecting block;9, the sealed door connecting block;10, the second sliding connecting rod;11, the third sliding connecting rod;12, the rotation connecting arm;13, the spring connecting rod;14, the adjusting sliding block. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative work belong to the scope of the utility model protection.

[0025] Please refer to Figures 1 to 6The utility model provides a technical scheme: a metal plate placing cabinet with anti -pinching structure, including placing cabinet main part 1, the front end left and right sides of placing cabinet main part 1 all are provided with sealed cabinet door main part 2, and the front end surface middle part of sealed cabinet door main part 2 is close to the part of placing cabinet main part 1 middle part and is provided with the cabinet door pull button 3 of groove setting, the bottom of placing cabinet main part 1 four corners all are fixedly installed with universal pulley, and the inside upper left and right sides of placing cabinet main part 1 all are provided with a group of placing cabinet layer board 4,

[0026] The rear surface upper end middle part of sealed cabinet door main part 2 is all provided with rectangular slide groove, and the inside of slide groove all is provided with second sliding connection rod 10, and the middle part of second sliding connection rod 10 is provided with sealed door connecting block 9, and the end close to the inside of placing cabinet main part 1 of sealed door connecting block 9 all is provided with spring telescopic rod 6, and the other end of spring telescopic rod 6 all is provided with placing cabinet connecting block 8, and the middle part of placing cabinet connecting block 8 is all provided with first sliding connection rod 7 of groove setting, and the side surface close to the middle part of placing cabinet main part 1 of sealed cabinet door main part 2 all is provided with anti -pinching air bag 5 of groove setting,

[0027] The rear end middle part of cabinet door pull button 3 is all provided with spring connecting rod 13, and the middle part upper and lower sides of cabinet door pull button 3 are all provided with rotating connecting arm 12, and the end away from cabinet door pull button 3 of rotating connecting arm 12 all is provided with adjusting sliding block 14, and the middle part of adjusting sliding block 14 all is provided with third sliding connection rod 11 of groove setting.

[0028] In the embodiment, as shown in Figure 3 The left and right side surfaces of the placing cabinet layer plate 4 are tightly attached to the left and right sides of the inner wall of the placing cabinet main body 1, the length of the placing cabinet layer plate 4 is equal to the length of the inner partition plate of the placing cabinet main body 1, the length of the placing cabinet layer plate 4 is less than the width of the inner wall of the placing cabinet main body 1, a semicircular groove is formed in the middle of the front end of the placing cabinet layer plate 4, the cross-sectional thickness of the groove is less than the cross-sectional thickness of the rear end of the placing cabinet layer plate 4, and an anti-slip layer is coated on the surface of the semicircular groove of the placing cabinet layer plate 4.

[0029] In the embodiment, as shown in Figure 1 And Figure 4As shown, the sealing cabinet door body 2 is rotatably connected to the front end of the placing cabinet body 1 through the shaft at the middle of the left and right sides of the placing cabinet body 1, and the end of the air bag on the other side surface of the sealing cabinet door body 2 is fixed to the inner wall of the groove on the side surface of the sealing cabinet door body 2, and the height of the sealing cabinet door body 2 is less than the height of the placing cabinet body 1, and the rear side surface of the sealing cabinet door body 2 is located in front of the front end surface of the placing cabinet layer plate 4, and the sealing cabinet door body 2 is connected to the placing cabinet body 1 through the shaft at the middle of the left and right sides of the front end of the placing cabinet body 1, and the anti-pinch air bag 5 is installed in the groove on the side surface of the sealing cabinet door body 2 close to each other, so as to avoid the impact force after pinching the hand to cause the hand to be injured.

[0030] As shown in Figure 4 and Figure 5 , the inner wall of the placing cabinet body 1 is provided with a rectangular sliding groove on the left and right sides of the front side, and the left and right ends of the first sliding connecting rod 7 are fixed to the middle of the left and right sides of the rectangular sliding groove of the placing cabinet body 1, and the middle of the first sliding connecting rod 7 is slidingly connected to the middle of the placing cabinet connecting block 8, the side surface of the placing cabinet connecting block 8 is slidingly connected to the inner wall of the rectangular sliding groove of the placing cabinet body 1, and the bottom end of the placing cabinet connecting block 8 is rotatably connected to the end of the spring telescopic rod 6 through the shaft; the first sliding connecting rod 7 is arranged in the rectangular sliding groove of the placing cabinet body 1, and the middle of the first sliding connecting rod 7 is slidingly connected to the middle of the placing cabinet connecting block 8, so that the placing cabinet connecting block 8 can be connected to the connecting structure end of the surface of the sealing cabinet door body 2 through the spring telescopic rod 6.

[0031] As shown in Figure 4 and Figure 5 , the end of the spring telescopic rod 6 close to the sealing door connecting block 9 is rotatably connected to the end of the sealing door connecting block 9 through the shaft, and the front side surface of the sealing door connecting block 9 is slidingly connected to the inner wall of the rectangular sliding groove of the sealing cabinet door body 2, and the middle of the second sliding connecting rod 10 is slidingly connected to the middle of the sealing door connecting block 9, and the middle of the second sliding connecting rod 10 and the first sliding connecting rod 7 is sleeved with a spring, and the two ends of the middle spring of the first sliding connecting rod 7 are respectively connected to the inner wall of the rectangular sliding groove of the placing cabinet body 1 and the one end surface of the placing cabinet connecting block 8, and the two ends of the middle spring of the second sliding connecting rod 10 are respectively connected to the inner wall of the rectangular sliding groove of the sealing cabinet door body 2 and the end surface of the sealing door connecting block 9; by arranging the rectangular sliding grooves in the inner walls and surfaces of the placing cabinet body 1 and the sealing cabinet door body 2, and by arranging the second sliding connecting rod 10 and the first sliding connecting rod 7, the placing cabinet connecting block 8 and the sealing door connecting block 9 can slide along the arc-shaped sliding groove inner wall.

[0032] As shown in Figure 6As shown, the middle part of the cabinet door pull knob 3 is slidably connected to the middle part of the inner wall of the middle groove of the sealed cabinet door body 2, the middle part of the front end of the spring connecting rod 13 is fixed to the rear end of the cabinet door pull knob 3, the rear end of the spring connecting rod 13 is fixed to the groove inner wall of the sealed cabinet door body 2, and the middle part of the third sliding connecting rod 11 penetrates through the groove inner wall of the sealed cabinet door body 2.

[0033] In the embodiment, as shown in the drawings, Figure 6 As shown, one end of the rotating connecting arm 12 close to the cabinet door pull knob 3 is rotatably connected to the upper and lower sides of the rear end of the cabinet door pull knob 3 through a rotating shaft, the other end of the rotating connecting arm 12 is rotatably connected to the middle part of the front end of the adjusting sliding block 14, the middle part of the third sliding connecting rod 11 penetrates through and is slidably connected to the middle part of the rear end of the adjusting sliding block 14, and the upper and lower sides of the middle part of the third sliding connecting rod 11 are connected to the surface of the adjusting sliding block 14 and the groove inner wall of the sealed cabinet door body 2 through a spring.

[0034] The use method and advantages of the metal plate placing cabinet with the anti-pinch structure are as follows:

[0035] As shown in the drawings, Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 and Figure 6 Firstly, the user can drive the sealed cabinet door body 2 to rotate around the rotating shafts on the left and right sides of the front end of the placing cabinet body 1 by pulling the cabinet door pull knob 3, if the spring force in the rotating shaft is too large, the cabinet door pull knob 3 will pull the spring connecting rod 13 to stretch, at the same time, the adjusting sliding block 14 is driven to slide along the upper and lower middle parts of the third sliding connecting rod 11 through the rotating connecting arm 12, and the spring in the middle part of the third sliding connecting rod 11 is compressed, so that when the user pulls the cabinet door pull knob 3 and offsets the spring force of the torsional spring through the pulling force, the spring force of the spring in the middle part of the third sliding connecting rod 11 can be used to buffer, so as to avoid that the user is injured by too small or too large force;

[0036] And the metal plate is placed above the placement cabinet layer plate 4, and at the same time, the flattened semicircular groove at the front end of the placement cabinet layer plate 4 can avoid the user from being pinched by the gap between the placement cabinet layer plate 4 and the metal plate when taking the metal plate, and when the user closes the sealing cabinet door body 2, the sealing door connecting block 9 inside the rectangular sliding groove and the placement cabinet connecting block 8 inside the rectangular sliding groove of the placement cabinet body 1 will slide along the sliding groove, and the sliding position will be adjusted by the spring telescopic rod 6 according to the angle of rotation of the sealing cabinet door body 2, while the spring in the middle of the first sliding connecting rod 7 is compressed and the spring at the end of the second sliding connecting rod 10 is stretched, thereby maintaining the buffering force of the sealing cabinet door body 2 at different angles of rotation, avoiding being pinched when quickly rotating and closing, and the anti-pinch air bag 5 is provided to avoid the rapid impact when being pinched.

[0037] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only preferred examples of the present application and do not limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A metal plate placing cabinet having an anti-pinch structure, comprising a placing cabinet main body (1), characterized in that: The front end of the placing cabinet body (1) is provided with a sealing cabinet door body (2) on the left and right sides, and the front end surface of the sealing cabinet door body (2) is provided with a cabinet door pull knob (3) in the middle part near the middle part of the placing cabinet body (1). The bottom corners of the placing cabinet body (1) are fixedly installed with universal pulleys, and the left and right sides of the upper part of the inside of the placing cabinet body (1) are provided with a group of placing cabinet shelves (4). The upper end of the rear surface of the sealing cabinet door body (2) is provided with a rectangular sliding groove in the middle part, and the inside of the sliding groove is provided with a second sliding connecting rod (10). The middle part of the second sliding connecting rod (10) is provided with a sealing door connecting block (9), and the end of the sealing door connecting block (9) near the inside of the placing cabinet body (1) is provided with a spring telescopic rod (6). The other end of the spring telescopic rod (6) is provided with a placing cabinet connecting block (8), and the middle part of the placing cabinet connecting block (8) is provided with a first sliding connecting rod (7) in the groove. The side surface of the sealing cabinet door body (2) near the middle part of the placing cabinet body (1) is provided with an anti-pinch air bag (5) in the groove. The middle part of the rear end of the cabinet door pull knob (3) is provided with a spring connecting rod (13), and the middle part of the cabinet door pull knob (3) is provided with a rotating connecting arm (12) on the upper and lower sides. The end of the rotating connecting arm (12) away from the cabinet door pull knob (3) is provided with an adjusting sliding block (14), and the middle part of the adjusting sliding block (14) is provided with a third sliding connecting rod (11) in the groove.

2. The metal plate placing cabinet with the anti-pinch structure according to claim 1, characterized in that: The left and right side surfaces of the placing cabinet shelf (4) are tightly attached to the left and right sides of the inner wall of the placing cabinet body (1), and the length of the placing cabinet shelf (4) is equal to the length of the inner partition of the placing cabinet body (1). The length of the placing cabinet shelf (4) is less than the width of the inner wall of the placing cabinet body (1). The front end of the placing cabinet shelf (4) is provided with a semicircular groove in the middle part, and the cross-sectional thickness of the groove is less than the cross-sectional thickness of the rear end of the placing cabinet shelf (4). The semicircular groove surface of the placing cabinet shelf (4) is coated with a non-slip layer.

3. The metal plate placing cabinet with the anti-pinch structure according to claim 1, characterized in that: The middle part of one end of the sealing cabinet door body (2) near the left and right sides of the placing cabinet body (1) is rotatably connected to the middle part of the front end of the placing cabinet body (1) through a rotating shaft. The end of the air bag on the other side surface of the sealing cabinet door body (2) is fixed to the inner wall of the side surface groove of the sealing cabinet door body (2). The height of the sealing cabinet door body (2) is less than the height of the placing cabinet body (1). The rear surface of the sealing cabinet door body (2) is located in front of the front end surface of the placing cabinet shelf (4).

4. The metal plate placing cabinet with the anti-pinch structure according to claim 1, characterized in that: The inner wall of the placing cabinet body (1) is provided with a rectangular sliding groove on the front side of the upper end, and the left and right sides of the first sliding connecting rod (7) are fixed to the middle part of the left and right sides of the rectangular sliding groove of the placing cabinet body (1), and the middle part of the first sliding connecting rod (7) is slidingly connected to the middle part of the placing cabinet connecting block (8), and the side surface of the placing cabinet connecting block (8) is slidingly connected to the inner wall of the rectangular sliding groove of the placing cabinet body (1), and the bottom end of the placing cabinet connecting block (8) is rotatably connected to the end of the spring telescopic rod (6) through a rotating shaft.

5. The metal plate placing cabinet with the anti-pinch structure according to claim 1, characterized in that: The end of the spring telescopic rod (6) close to the sealing door connecting block (9) is rotatably connected to the end of the sealing door connecting block (9) through a rotating shaft, and the front surface of the sealing door connecting block (9) is slidingly connected to the inner wall of the rectangular sliding groove of the sealing cabinet door body (2), and the middle part of the second sliding connecting rod (10) is slidingly connected to the middle part of the sealing door connecting block (9), and the middle part of the second sliding connecting rod (10) and the first sliding connecting rod (7) is sleeved with a spring, and the two ends of the middle part spring of the first sliding connecting rod (7) are connected to the inner wall of the rectangular sliding groove of the placing cabinet body (1) and one end surface of the placing cabinet connecting block (8) respectively, and the two ends of the middle part spring of the second sliding connecting rod (10) are connected to the inner wall of the rectangular sliding groove of the sealing cabinet door body (2) and the end surface of the sealing door connecting block (9) respectively.

6. The metal plate placing cabinet with the anti-pinch structure according to claim 1, characterized in that: The middle part of the cabinet door pull knob (3) is slidingly connected to the middle part of the inner wall of the middle sliding groove of the sealing cabinet door body (2), and the middle part of the front end of the spring connecting rod (13) is fixed to the middle part of the rear end of the cabinet door pull knob (3), and the rear end of the spring connecting rod (13) is fixed to the inner wall of the groove of the sealing cabinet door body (2), and the middle part of the third sliding connecting rod (11) is fixed to the inner wall of the groove of the sealing cabinet door body (2).

7. The metal plate placing cabinet with the anti-pinch structure according to claim 1, characterized in that: The end of the rotating connecting arm (12) close to the cabinet door pull knob (3) is rotatably connected to the upper and lower sides of the rear end of the cabinet door pull knob (3) through a rotating shaft, and the other end of the rotating connecting arm (12) is rotatably connected to the front end of the adjusting sliding block (14), and the middle part of the upper and lower ends of the third sliding connecting rod (11) is slidingly connected to the middle part of the rear end of the adjusting sliding block (14), and the upper and lower sides of the middle part of the third sliding connecting rod (11) is connected to the surface of the adjusting sliding block (14) and the inner wall of the groove of the sealing cabinet door body (2) through a spring.