Pneumatic door lock of washing and dehydrating machine

By adopting a pneumatic door lock design in the washer-extractor, and utilizing pneumatic components and air tanks, the problem of poor stability of the electromagnetic structure was solved, thus achieving stability and reliability of the locking mechanism.

CN224063108UActive Publication Date: 2026-03-31SHANGHAI AIDI MASCH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-28
Publication Date
2026-03-31

AI Technical Summary

Technical Problem

Existing washer-extractor door locks have poor stability, especially the electromagnetic structure, which is easily affected by temperature, resulting in poor stability.

Method used

The door lock adopts a pneumatic design, including a locking mechanism, pneumatic components, an air tank, a miniature air pump, and a solenoid valve. The pneumatic components limit the rotation of the lock block, ensuring the stability of the locking mechanism.

Benefits of technology

The stability of the locking mechanism has been improved, the influence of temperature on the locking mechanism has been avoided, and a more reliable locking effect has been achieved.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224063108U_ABST
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Abstract

The utility model discloses a pneumatic door lock of a washing and dewatering machine, and relates to the field of washing and dewatering machines, the pneumatic door lock comprises a door frame hinged to a washing and dewatering machine case and a locking mechanism installed on the washing and dewatering machine case, the locking mechanism comprises a lock box fixedly connected to the washing and dewatering machine case, and a pneumatic assembly is installed on the inner wall of the lock box; the inner wall of one side of the lock box is rotationally connected with a lock block matched with the pneumatic assembly, a cross-shaped groove is formed in the outer wall of one side of the lock block, and two notches are formed in the inner wall of the cross-shaped groove. According to the locking mechanism, the pneumatic assembly is arranged in the locking mechanism, the locking block in the locking mechanism is controlled to be limited conveniently through the arrangement of the pneumatic assembly, then the locking stability in the locking mechanism is improved, the stability of the locking mechanism is improved through the arrangement of the pneumatic assembly, and the problem that the stability of an electromagnetic structure in an existing locking mechanism is poor is solved.
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Description

TECHNICAL FIELD

[0001] The present application relates to the field of elutriation machine, especially to the pneumatic door lock of elutriation machine. BACKGROUND

[0002] Elutriation machine is the abbreviation of automatic industrial washing and dewatering machine, which eliminates the cumbersome work procedures of ordinary washing machines and dewatering machines. Only by placing the washing objects in the elutriation machine, setting the washing, rinsing and dewatering procedures, and having a more simple "one-key operation" procedure, the clothes can be easily washed.

[0003] According to the search, the patent with the patent number CN222139576U7 discloses an industrial elutriation machine door lock, which comprises a lock tongue, a lock box and a lock block. The lock tongue is connected with a handle through a rotating shaft, and the handle is rotationally connected with a sealing door. The lock box is fixed with the machine box of the industrial elutriation machine, and the lock block is arranged in the lock box. One end of the lock block is provided with a lock hole for inserting the lock tongue. A tensioning platform is arranged in the lock block. One end of the tensioning platform is provided with a blocking block for blocking the lock tongue. The upper end of the tensioning platform is provided with a curved surface from low to high. A door lock electromagnet is arranged on one side of the lock block. A first clearance hole is arranged on the side wall of the lock block. When the lock core is closed, the lock tongue moves along the curved surface to the top of the curved surface. The core of the door lock electromagnet is inserted into the first clearance hole and blocks the lock tongue.

[0004] The industrial elutriation machine door lock in the above patent has the following disadvantages: the door of the machine is locked by the electromagnetic structure in the above patent, but the electromagnetic structure is easily affected by temperature, and long-time work will directly affect the stability of the electromagnetic structure. Content of the utility model

[0005] In order to solve the problem of poor stability of the existing elutriation machine door lock, the present application provides a pneumatic door lock of elutriation machine.

[0006] The technical scheme adopted by the pneumatic door lock of elutriation machine provided by the present application is as follows:

[0007] The pneumatic door lock of elutriation machine comprises a door frame hinged to the machine box of the elutriation machine and a locking mechanism installed on the machine box of the elutriation machine. The locking mechanism comprises a lock box fixedly connected to the machine box of the elutriation machine, and a pneumatic assembly is installed on the inner wall of the lock box. A lock block matched with the pneumatic assembly is rotationally connected to the inner wall of one side of the lock box. A cross slot is formed in the outer wall of one side of the lock block, and two notches are formed in the inner wall of the cross slot.

[0008] By adopting the above technical scheme, the locking mechanism cooperates with the door frame to lock, the setting of the pneumatic assembly in the lock box facilitates the rotation of the lock block, thereby ensuring the stability of the locking mechanism, and the setting of the pneumatic assembly has high stability and will not be affected by temperature.

[0009] Preferably, the pneumatic assembly comprises a gas storage tank mounted in the lock box, and two gas holes are formed in the outer wall of one side of the gas storage tank, and the inner walls of the two gas holes are fixedly connected with electromagnetic valves two.

[0010] By adopting the above technical scheme, the gas storage tank in the pneumatic assembly is convenient for storing gas, the gas in the gas storage tank is convenient for directly driving the pneumatic assembly to act, and the two electromagnetic valves two on the gas storage tank are convenient for assisting the output of the gas in the gas storage tank.

[0011] Preferably, the outer wall of one side of the gas storage tank is fixedly connected with a micro air pump, and the output port of the micro air pump is connected with the gas storage tank through a pipeline.

[0012] By adopting the above technical scheme, the micro air pump is convenient for inflating the gas storage tank, thereby ensuring that the gas pressure in the gas storage tank is at a stable level, and the gas pressure sensor arranged in the gas storage tank ensures the stability of the gas pressure in the gas storage tank.

[0013] Preferably, the pneumatic assembly further comprises an adjusting assembly mounted in the lock box, and the adjusting assembly comprises an airtight tank fixedly connected to the inner wall of the lock box.

[0014] By adopting the above technical scheme, the airtight tank is convenient for mounting the adjusting assembly in the lock box.

[0015] Preferably, the outer wall of one side of the airtight tank is provided with two gas holes, and the inner walls of the two gas holes are fixedly connected with connecting pipes.

[0016] By adopting the above technical scheme, the two gas holes arranged in the airtight tank are convenient for mounting the connecting pipes, and the connecting pipes are convenient for controlling the inflation and deflation of the airtight tank.

[0017] Preferably, the two connecting pipes are respectively connected with two electromagnetic valves two, the outer walls of the two connecting pipes are provided with exhaust ports, and the inner walls of the two exhaust ports are fixedly connected with electromagnetic valves one.

[0018] By adopting the above technical scheme, the electromagnetic valves one arranged on the two connecting pipes are convenient for cooperating with the electromagnetic valves two, and only one of the two electromagnetic valves two and the electromagnetic valves one is started at a time, thereby realizing the rapid inflation and deflation of the airtight tank.

[0019] Preferably, the outer wall of one side of the airtight tank is provided with a round port, the inner wall of the round port is slidably connected with a lock pin, the inner wall of the airtight tank is slidably connected with a piston, and the piston is fixedly connected with the lock pin.

[0020] By adopting the above technical scheme, the inflation and deflation of the gas in the airtight tank cooperate with the piston to drive the lock pin to move, the lock pin is inserted into the lock block to limit the rotation, thereby ensuring the stability of the locking mechanism.

[0021] Preferably, one side of the door frame is rotatably installed with a handle, and one end of the handle transmission shaft is connected with a lock tongue matched with the lock block.

[0022] By adopting the above technical scheme, the handle is arranged to facilitate locking and unlocking of the elution machine.

[0023] In summary, the present application has at least one of the following beneficial technical effects:

[0024] 1. The present application sets up a pneumatic assembly in the locking mechanism, which facilitates limiting the lock block in the locking mechanism, thereby improving the stability of the locking mechanism, and the setting of the pneumatic assembly improves the stability of the locking mechanism, solving the problem of poor stability of the electromagnetic structure in the existing locking mechanism.

[0025] 2. The present application sets up a gas storage tank in the lock box, and the setting of the electromagnet two on the gas storage tank facilitates improvement of the gas on-off in the gas storage tank, and the setting of the gas pump on the gas storage tank facilitates charging of the gas storage tank, which ensures normal operation of the pneumatic assembly. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is a whole structure schematic diagram of the elution machine pneumatic door lock of the embodiment of the present application;

[0027] Figure 2 It is a schematic diagram of the main door locking mechanism structure of the embodiment of the present application;

[0028] Figure 3 It is a schematic diagram of the main pneumatic assembly structure of the embodiment of the present application;

[0029] Figure 4 It is a schematic diagram of the main adjusting assembly cross-section structure of the embodiment of the present application;

[0030] Reference signs: 1, door frame; 2, handle; 3, locking mechanism; 4, lock box; 5, pneumatic assembly; 6, lock block; 7, notch; 8, adjusting assembly; 9, connecting pipe; 10, gas storage tank; 11, micro gas pump; 12, electromagnetic valve two; 13, lock pin; 14, piston; 15, electromagnetic valve one; 16, gas-tight tank. DETAILED DESCRIPTION

[0031] The following will be described in detail in combination with the accompanying Figures 1-4 The present application will be further described in detail.

[0032] The embodiment of the present application discloses an elution machine pneumatic door lock.

[0033] Reference Figures 1-3, elution machine pneumatic door lock, including hinge on the elution machine cabinet door frame 1 and installed on the elution machine cabinet locking mechanism 3.

[0034] Referring to Figures 2-3 , locking mechanism 3 includes a lock box 4 fixedly connected to the elution machine cabinet, and the inner wall of the lock box 4 is provided with a pneumatic assembly 5, one side of the inner wall of the lock box 4 is rotatably connected with a lock block 6 matched with the pneumatic assembly 5, a cross slot is formed on one side of the outer wall of the lock block 6, and two notches 7 are formed on the inner wall of the cross slot, a handle 2 is rotatably installed on one side of the outer wall of the door frame 1, and one end of the transmission shaft of the handle 2 is connected with a lock tongue matched with the lock block 6. The handle 2 is arranged to facilitate locking and unlocking of the elution machine;

[0035] In use, the locking mechanism 3 cooperates with the door frame 1 to lock, the pneumatic assembly 5 in the lock box 4 is arranged to restrict the rotation of the lock block 6, thereby ensuring the stability of the locking mechanism 3, and the pneumatic assembly 5 has high stability and is not affected by temperature.

[0036] Referring to Figures 2-3 , the pneumatic assembly 5 includes a gas storage tank 10 installed in the lock box 4, two gas holes are formed on one side of the outer wall of the gas storage tank 10, and the inner walls of the two gas holes are fixedly connected with two electromagnetic valves 12. A micro air pump 11 is fixedly connected to one side of the outer wall of the gas storage tank 10, and the output port of the micro air pump 11 is connected to the gas storage tank 10 through a pipeline. The gas storage tank 10 in the pneumatic assembly 5 is convenient for storing gas, the gas in the gas storage tank 10 is convenient for directly driving the pneumatic assembly 5 to act, the two electromagnetic valves 12 on the gas storage tank 10 are arranged to assist the output of the gas in the gas storage tank 10, the micro air pump 11 is arranged to charge the gas storage tank 10, thereby ensuring that the gas pressure in the gas storage tank 10 is at a stable level, and a gas pressure sensor is arranged in the gas storage tank 10, thereby ensuring the stability of the gas pressure in the gas storage tank 10.

[0037] Referring to Figures 1-3 , the pneumatic assembly 5 further includes an adjusting assembly 8 installed in the lock box 4, and the adjusting assembly 8 includes a gas-tight box 16 fixedly connected to the inner wall of the lock box 4. Two gas holes are formed on one side of the outer wall of the gas-tight box 16, and the inner walls of the two gas holes are fixedly connected with two connecting pipes 9. The two connecting pipes 9 are respectively connected with the two electromagnetic valves 12. The outer walls of the two connecting pipes 9 are provided with exhaust ports, and the inner walls of the two exhaust ports are fixedly connected with electromagnetic valves 15. A round port is formed on one side of the outer wall of the gas-tight box 16, and a lock pin 13 is slidably connected to the inner wall of the round port. A piston 14 is slidably connected to the inner wall of the gas-tight box 16, and the piston 14 is fixedly connected to the lock pin 13.

[0038] When in use, the adjusting assembly 8 is installed in the lock box 4 through the setting of the air-tight box 16, two air holes are set in the air-tight box 16 to facilitate the installation of the connecting pipes 9, the connecting pipes 9 are set to facilitate the control of the inflation and deflation of the air-tight box 16, the electromagnetic valve one 15 is set on the two connecting pipes 9 to facilitate the use of the electromagnetic valve two 12, only one of the two electromagnetic valve two 12 and the electromagnetic valve one 15 is started at a time to realize the rapid inflation and deflation of the air-tight box 16, the inflation and deflation of the gas in the air-tight box 16, and then the piston 14 is driven to move the lock pin 13, the lock pin 13 is inserted into the lock block 6 to limit the rotation of the lock block 6, and the stability of the locking mechanism 3 is ensured.

[0039] The implementation principle of the pneumatic door lock of the elution machine is as follows: when in use, the door frame 1 is closed, the handle 2 is rotated to ninety degrees, the electromagnetic valve two 12 on the upper part of the air-tight box 16 is opened, the electromagnetic valve one 15 on the lower part of the air-tight box 16 is opened, the air pressure drives the piston 14 to move towards the lock block 6, the piston 14 directly drives the lock pin 13 to be inserted into the gap 7 in the lock block 6 when the piston 14 moves, the rotation of the lock block 6 is limited when the lock pin 13 is inserted into the gap 7, the door of the elution machine is fixed on the cabinet of the elution machine, and the stability of the door of the elution machine is ensured.

[0040] The above are the preferred embodiments of the present application, and are not used to limit the protection scope of the present application, so that: any equivalent changes made according to the structure, shape, principle of the present application should be covered in the protection scope of the present application.

Claims

1. An airlock for an elutriator, comprising a door frame (1) hinged to the elutriator housing and a locking mechanism (3) mounted on the elutriator housing, characterized in that: The locking mechanism (3) includes a lock box (4) fixedly connected to the elution machine box, and the inner wall of the lock box (4) is provided with a pneumatic assembly (5), one side of the inner wall of the lock box (4) is rotatably connected with a lock block (6) matched with the pneumatic assembly (5), one side of the outer wall of the lock block (6) is provided with a cross slot, and the inner wall of the cross slot is provided with two notches (7).

2. The pneumatic door lock for elution machines according to claim 1, characterized in that: The pneumatic assembly (5) includes a gas storage tank (10) installed in the lock box (4), and two gas holes are formed in the outer wall of one side of the gas storage tank (10), and the inner wall of each of the two gas holes is fixedly connected with a solenoid valve two (12).

3. The pneumatic door lock for elution machines according to claim 2, characterized in that: The outer wall of one side of the gas storage tank (10) is fixedly connected with a micro air pump (11), and the output port of the micro air pump (11) is connected with the gas storage tank (10) through a pipeline.

4. The pneumatic door lock for elution machines according to claim 3, characterized in that: The pneumatic assembly (5) further includes an adjusting assembly (8) installed in the lock box (4), and the adjusting assembly (8) includes a gas-tight tank (16) fixedly connected to the inner wall of the lock box (4).

5. The pneumatic door lock for elution machines according to claim 4, characterized in that: The outer wall of one side of the gas-tight tank (16) is provided with two gas holes, and the inner wall of each of the two gas holes is fixedly connected with a connecting pipe (9).

6. The pneumatic door lock for elution machines according to claim 5, characterized in that: Two connecting pipes (9) are respectively connected with two solenoid valve two (12), the outer wall of each of the two connecting pipes (9) is provided with an exhaust port, and the inner wall of each of the two exhaust ports is fixedly connected with a solenoid valve one (15).

7. The pneumatic door lock for elution machines according to claim 6, characterized in that: The outer wall of one side of the gas-tight tank (16) is provided with a round port, and the inner wall of the round port is slidably connected with a lock pin (13), and the inner wall of the gas-tight tank (16) is slidably connected with a piston (14), and the piston (14) is fixedly connected to the lock pin (13).

8. The pneumatic door lock for elution machines according to claim 7, characterized in that: The outer wall of one side of the gas-tight tank (16) is provided with a round port, and the inner wall of the round port is slidably connected with a lock pin (13), and the inner wall of the gas-tight tank (16) is slidably connected with a piston (14), and the piston (14) is fixedly connected to the lock pin (13). The outer wall of one side of the gas-tight tank (16) is provided with a round port, and the inner wall of the round port is slidably connected with a lock pin (13), and the inner wall of the gas-tight tank (16) is slidably connected with a piston (14), and the piston (14) is fixedly connected to the lock pin (13).

Citation Information

Patent Citations

  • Door lock of industrial washing and dehydrating machine

    CN222139576U