Compression resistance detection device for back plate of refrigerator

Abstract

The utility model relates to the technical field of refrigerator backboard detection, in particular to a refrigerator backboard compression resistance detection device which comprises a detection pressure box, a high-pressure fan communicated with an inner cavity of the detection pressure box is fixedly installed on one side of the detection pressure box, and a refrigerator backboard fixing mechanism is arranged on the other side of the detection pressure box. The refrigerator back plate fixing mechanism comprises a rotating door rotationally connected with the other side of the detection pressure box, a two-way screw is rotationally connected between the top end and the bottom end of an inner cavity of the rotating door, and two sections of external threads, opposite in thread rotation direction, of the two-way screw are both sleeved with thread sleeves in a threaded mode. One side of the rotating door is symmetrically connected with two fixing plates in a sliding mode, the two fixing plates are fixedly connected with the threaded sleeve, and the opposite sides of the two fixing plates are respectively provided with a refrigerator back plate auxiliary clamping piece, and the distance between the two fixing plates can be adaptively adjusted according to the width of the refrigerator back plate to be detected. Through adjustment, the device can carry out compression resistance detection on refrigerator back plates with different width specifications.

Description

Technical Field

[0001] The utility model relates to the technical field of refrigerator back plate detection, in particular to a refrigerator back plate pressure resistance detection device. Background Art

[0002] During the processing of the refrigerator back panel, it is necessary to test its pressure resistance; in the prior art, there is a utility model patent with the publication (announcement) number CN220019150U, named a pressure resistance testing device for a refrigerator back panel, which includes a detection pressure box, a high-pressure fan is fixedly installed on one side of the detection pressure box, and one end of the high-pressure fan is connected to the detection pressure box through a connecting air duct, and the detection pressure box is also equipped with a mounting door, and the mounting door is provided with a back panel fixing member for fixing the refrigerator back panel; compared with the prior art, the utility model can fix the refrigerator back panel to the mounting door by setting a detection pressure box, a high-pressure fan, a connecting air duct, a mounting door, a through port and a back panel fixing member. When the mounting door is closed and the high-pressure fan is started, the air pressure in the detection pressure box can be increased, and the high-pressure gas applies pressure to the refrigerator back panel through the through port, thereby well testing the pressure resistance of the refrigerator back panel and ensuring that the refrigerator back panel meets the strength requirements for installation and use, thereby improving the yield rate of the refrigerator cost, avoiding the trouble of disassembly and assembly again, and improving production efficiency.

[0003] The equipment of this patent can effectively detect the compressive resistance of the refrigerator back panel, ensuring that the refrigerator back panel meets the strength requirements for installation and use, thereby improving the yield rate of the refrigerator cost, avoiding the trouble of disassembly and assembly again, and improving production efficiency; however, since the distance between the two back panel fixings in this patent is fixed, the equipment is inconvenient to fix refrigerator back panels of different widths, and thus it is inconvenient to meet the usage needs of the staff. Utility Model Content

[0004] The purpose of the utility model is to provide a refrigerator back plate pressure resistance detection device.

[0005] The technical problem solved by the utility model is that it is inconvenient for existing equipment to perform compression testing on refrigerator back panels of different width specifications.

[0006] The utility model can be implemented through the following technical solutions: a refrigerator back panel pressure detection device, including a detection pressure box, a high-pressure fan connected to the inner cavity of the detection pressure box is fixedly installed on one side of the detection pressure box, and a refrigerator back panel fixing mechanism is provided on the other side of the detection pressure box. The refrigerator back panel fixing mechanism includes a rotating door rotatably connected to the other side of the detection pressure box, a bidirectional screw is rotatably connected between the top and bottom ends of the inner cavity of the rotating door, and screw sleeves are threaded on two sections of external threads of the bidirectional screw with opposite rotation directions. Two fixing plates fixedly connected to the screw sleeves are symmetrically slidably connected to one side of the rotating door, and refrigerator back panel auxiliary clamping parts are provided on the opposite sides of the two fixing plates.

[0007] A further technical improvement of the present invention is that the auxiliary clamping member of the refrigerator back panel includes a clamping plate slidably connected to one side of the fixed plate, the inner cavity of the fixed plate is threadedly connected with a stud, and one end of the stud close to the clamping plate is rotatably connected to the clamping plate.

[0008] A further technical improvement of the present invention is that the inner cavity of the clamping plate is threadedly connected with a bolt which passes through the inner cavity mounting hole of the refrigerator back plate, and a screw groove which matches the bolt is opened on one side of the screw sleeve.

[0009] A further technical improvement of the present invention is that a through opening is provided through the inner cavity of the rotating door, and the setting of the through opening makes it convenient for the staff to apply pressure to the back panel of the refrigerator, thereby being able to well test the pressure resistance of the back panel of the refrigerator and ensure that the strength of the back panel of the refrigerator meets the requirements for installation and use.

[0010] A further technical improvement of the present invention is that an air pressure sensor is fixedly installed on the inner wall of the detection pressure box, and a display screen electrically connected to the air pressure sensor is fixedly installed on the bottom end of the other side of the detection pressure box. Through the air pressure sensor, the internal air pressure conditions can be monitored in real time, and the air pressure changes can be observed through the display screen to ensure that the air pressure meets the detection requirements.

[0011] A further technical improvement of the present invention is that a limiting assembly is provided at the bottom end of one side of the rotating door, the limiting assembly includes a rotating plate rotatably connected to the bottom end of one side of the rotating door, a sliding rod is elastically slidably connected to the side of the rotating plate away from the rotation center, and a limiting block is fixedly connected to the side of the sliding rod close to the rotating door. Limiting grooves that cooperate with the limiting blocks are provided on one side of the rotating door and the other side of the detection pressure box. By limiting the rotating door, better detection of the refrigerator back panel is facilitated. When there is no need to detect the refrigerator back panel, the limit of the rotating door is released to facilitate the staff to check the inner cavity of the detection pressure box, thereby facilitating long-term operation of the equipment.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] 1. The utility model can adaptively adjust the distance between the two fixed plates according to the width of the back plate of the refrigerator to be inspected. When adjusting, first release the limit of the rotating door, then rotate the rotating door to expose the handle, then take out the positioning rod in the handle to release the limit of the handle, and then rotate the handle to rotate the bidirectional screw. Since the threads on the outer surface of the bidirectional screw are two sections with opposite rotation directions, the two screw sleeves will move relative to each other, and the two fixed plates will move synchronously through the two screw sleeves. When the distance between the two fixed plates is adjusted to just accommodate the back plate of the refrigerator to be inspected, stop rotating the handle and pass The positioning rod limits the rotary handle again, and the rotating door is limited after the distance between the two fixed plates is adjusted. The rotary handle is conveniently protected by arranging the rotary handle in the inner cavity of the rotating door; after the distance between the two fixed plates is adjusted, the back panel of the refrigerator to be inspected is placed between the two fixed plates, and the sliding block is made to slide by rotating the two studs, and the clamping plate is made to move synchronously by the sliding of the sliding block, and the movement of the clamping plate facilitates the tightening of the back panel of the refrigerator to be inspected, and finally a bolt is used to penetrate the mounting hole on the back panel of the refrigerator to be inspected, so that it is fixedly connected to the rotating door, thereby preventing the back panel of the refrigerator from detaching during inspection.

[0014] 2. After the equipment has been used many times, the utility model can inspect the inner cavity of the detection pressure box according to the use needs of the staff. During the inspection, first pull the sliding rod to make the limit block at one end of the sliding rod disengage from the limit groove on the other side of the detection pressure box, thereby releasing the limit of the rotating plate. After the limit of the rotating plate is released, the rotating door is rotated to expose the inner cavity of the detection pressure box, thereby conveniently meeting the use needs of the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to facilitate understanding by those skilled in the art, the present invention will be further described below with reference to the accompanying drawings.

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the three-dimensional structural connection of the revolving door of the present invention;

[0018] Figure 3 For this utility model Figure 2 A partial enlarged view of point A in the middle;

[0019] Figure 4 This is a side view structural connection diagram of the rotating door of the present invention;

[0020] Figure 5 For this utility model Figure 4 A partial enlarged view of point B in the middle;

[0021] Figure 6 This is a schematic diagram of the internal structure connection of the revolving door of the present invention;

[0022] Figure 7 For this utility model Figure 6 A partial enlarged view of point C in the middle.

[0023] In the picture:

[0024] 1. Test the pressure box;

[0025] 2. High-pressure fan;

[0026] 3. Rotating door; 31. Bidirectional screw; 32. Screw sleeve; 33. Fixing plate; 34. Stud; 35. Sliding block; 36. Clamping plate; 37. Bolt; 38. Screw groove; 39. Rotating handle; 310. Positioning rod; 311. Positioning groove;

[0027] 4. Passage;

[0028] 5. Rotating plate; 51. Sliding rod; 52. Limit block; 53. Limit slot. DETAILED DESCRIPTION

[0029] In order to further illustrate the technical means and effects adopted by the present invention to achieve the predetermined purpose of the utility model, the specific implementation method, structure, characteristics and effects of the present invention are described in detail below in conjunction with the accompanying drawings and preferred embodiments.

[0030] See also Figure 1-7 As shown, this embodiment provides a technical solution, a refrigerator back panel pressure resistance detection device, including a detection pressure box 1, a high-pressure fan 2 is fixedly installed on one side of the detection pressure box 1, the air outlet end of the high-pressure fan 2 is connected to the inner cavity of the detection pressure box 1, an air pressure sensor is fixedly installed on the inner wall of the detection pressure box 1, and a display screen electrically connected to the air pressure sensor is fixedly installed on the bottom end of the other side of the detection pressure box 1.

[0031] A refrigerator back panel fixing mechanism is also provided on the other side of the detection pressure box 1. The refrigerator back panel fixing mechanism includes a rotating door 3 that is rotatably connected to the other side of the detection pressure box 1 through a hinge. A through opening 4 is opened through the inner cavity of the rotating door 3. A bidirectional screw 31 is rotatably connected between the top and bottom ends of the inner cavity of the rotating door 3 through a bearing. The side of the bidirectional screw 31 near the end is provided with two sections of external threads with opposite thread rotation directions. Both sections of the external threads of the bidirectional screw 31 are threadedly sleeved with a screw sleeve 32 that is slidably connected to the inner cavity of the rotating door 3. A fixing plate 33 is fixedly installed on the side of the screw sleeve 32 away from the inner cavity of the rotating door 3. One side of the fixing plate 33 is slidably connected to a clamping plate 36 for clamping and fixing the refrigerator back panel. A non-slip pad is provided on the side of the clamping plate 36 close to the back panel of the refrigerator.

[0032] A groove is provided on the bottom wall of the revolving door 3, and one end of the bidirectional screw 31 passes through the revolving door 3 and the groove in sequence and extends to the inner cavity of the groove. A rotary handle 39 is fixedly installed on one end of the bidirectional screw 31 extending to the inner cavity of the groove, and a positioning rod 310 is slidably connected to the inner cavity of the rotary handle 39. A plurality of positioning grooves 311 cooperating with the positioning rod 310 are provided on the bottom wall of the revolving door 3, and the plurality of positioning grooves 311 are distributed equidistantly in a circular array on the bottom wall of the revolving door 3.

[0033] A bolt 37 is threadedly connected to a side of the clamping plate 36 away from the screw sleeve 32 , and a screw groove 38 that cooperates with the bolt 37 is formed on a side of the screw sleeve 32 away from the inner cavity of the rotating door 3 .

[0034] The inner cavity of the fixed plate 33 is provided with a driving assembly that enables the clamping plate 36 to slide on one side of the fixed plate 33. The driving assembly includes a sliding block 35 slidably connected to the inner cavity of the fixed plate 33. The sliding block 35 is fixedly connected to the clamping plate 36. The inner cavity of the fixed plate 33 is threadedly connected with a stud 34. The side of the stud 34 close to the sliding block 35 is rotatably connected to the sliding block 35.

[0035] A limiting assembly is provided at the bottom end of one side of the rotating door 3. The limiting assembly includes a rotating plate 5 rotatably connected to the bottom end of one side of the rotating door 3. The side of the rotating plate 5 away from the rotation center is elastically slidably connected to a sliding rod 51. The side of the sliding rod 51 close to the rotating door 3 is fixedly connected to a limiting block 52. One side of the rotating door 3 and the other side of the detection pressure box 1 are both provided with a limiting groove 53 that cooperates with the limiting block 52.

[0036] When the distance between the two fixing plates 33 is adjusted to just accommodate the refrigerator back panel to be inspected, the handle 39 is stopped and the handle 39 is limited again by the positioning rod 310. After the distance between the two fixing plates 33 is adjusted, the door 3 is limited again.

[0037] After the distance between the two fixing plates 33 is adjusted, the back panel of the refrigerator to be inspected is placed between the two fixing plates 33, and the sliding block 35 is slid by rotating the two studs 34. The sliding of the sliding block 35 causes the clamping plate 36 to move synchronously. The movement of the clamping plate 36 facilitates the compression of the back panel of the refrigerator to be inspected. Finally, bolts 37 are used to penetrate the mounting holes on the back panel of the refrigerator to be inspected, so that it is fixedly connected to the rotating door 3, thereby preventing the back panel of the refrigerator from detaching during inspection.

[0038] After the back panel of the refrigerator to be tested is fixed, the high-pressure fan 2 is started to increase the air pressure in the test pressure box 1. The high-pressure gas applies pressure to the refrigerator back panel through the port 4, so that the pressure resistance of the refrigerator back panel can be well tested to ensure that the strength of the refrigerator back panel meets the requirements for installation and use. A pressure sensor is fixed on the inner wall of the test pressure box 1. The internal air pressure can be monitored in real time through the pressure sensor, and the air pressure changes can be observed through the display screen to ensure that the air pressure meets the requirements of the test.

[0039] After the equipment has been used many times, the inner cavity of the detection pressure box 1 can be inspected according to the staff's usage needs. During the inspection, the sliding rod 51 is first pulled to make the limit block 52 at one end of the sliding rod 51 disengage from the limit groove 53 on the other side of the detection pressure box 1, thereby releasing the limit of the rotating plate 5. After the limit of the rotating plate 5 is released, the rotating door 3 is rotated to expose the inner cavity of the detection pressure box 1, which is convenient for the staff to inspect it. After the inspection, the rotating door 3 is reset.

[0040] The above description is merely a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any person skilled in the art can make some changes or modifications to equivalent embodiments using the technical contents disclosed above without departing from the scope of the technical solution of the present invention. However, any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A refrigerator back panel pressure resistance detection device, comprising a detection pressure box (1), wherein a high-pressure blower (2) communicating with an inner cavity of the detection pressure box (1) is fixedly mounted on one side of the detection pressure box (1), and a refrigerator back panel fixing mechanism is provided on the other side of the detection pressure box (1), wherein the refrigerator back panel fixing mechanism includes a rotating door (3) rotatably connected to the other side of the detection pressure box (1), characterized in that: A bidirectional screw (31) is rotatably connected between the top and bottom ends of the inner cavity of the rotating door (3), and screw sleeves (32) are threadedly sleeved on two sections of the external threads of the bidirectional screw (31) with opposite screw threads. Two fixing plates (33) fixedly connected to the screw sleeves (32) are symmetrically slidably connected to one side of the rotating door (3), and refrigerator back panel auxiliary clamping parts are provided on the opposite sides of the two fixing plates (33).

2. A refrigerator back plate pressure detection device according to claim 1, characterized in that: The auxiliary clamping member of the refrigerator back plate includes a clamping plate (36) slidably connected to one side of the fixed plate (33); the inner cavity of the fixed plate (33) is threadedly connected with a stud (34); and one end of the stud (34) close to the clamping plate (36) is rotatably connected to the clamping plate (36).

3. A refrigerator back plate pressure detection device according to claim 2, characterized in that: The inner cavity of the clamping plate (36) is threadedly connected to a bolt (37) that passes through the inner cavity mounting hole of the refrigerator back plate, and a screw groove (38) that matches the bolt (37) is opened on one side of the screw sleeve (32).

4. The refrigerator back panel pressure detection device according to claim 1, characterized in that: A through opening (4) is provided through the inner cavity of the rotating door (3).

5. The refrigerator back panel pressure detection device according to claim 1, characterized in that: An air pressure sensor is fixedly mounted on the inner wall of the detection pressure box (1), and a display screen electrically connected to the air pressure sensor is fixedly mounted on the bottom end of the other side of the detection pressure box (1).

6. The refrigerator back panel pressure detection device according to claim 1, characterized in that: A limiting assembly is provided at the bottom end of one side of the rotating door (3), and the limiting assembly comprises a rotating plate (5) rotatably connected to the bottom end of one side of the rotating door (3); a sliding rod (51) is elastically slidably connected to a side of the rotating plate (5) away from the rotation center; a limiting block (52) is fixedly connected to a side of the sliding rod (51) close to the rotating door (3); and a limiting groove (53) that matches the limiting block (52) is provided on one side of the rotating door (3) and the other side of the detection pressure box (1).

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