Safety door lock structure for inner barrel

Abstract

The utility model provides a safety door lock structure for an inner barrel, and particularly relates to the technical field of dust-free isolation washing dehydrators, the safety door lock structure for the inner barrel comprises a frame body fixed on a safety door, the inner side of the frame body is fixedly connected with a rotating shaft core, and the outer side of the rotating shaft core is rotatably connected with a gear. The handle slides to compress the spring, one end of the handle is separated from the inserting hole, the handle can be rotated, the gear is driven to rotate, the gear is connected with the rack in a meshed mode, the rack can be driven to slide on the sliding rail, the lock pin can be driven to be separated from the lock sleeve, and therefore the safety door can be opened and closed only by reversely rotating the handle and driving the gear to rotate reversely. The lock pin is pushed again to be inserted into the lock sleeve, so that the safety door is closed, then the handle is loosened, the spring rebounds, one end of the handle is inserted into the insertion hole, so that the handle is limited and fixed, the rubber column on the protective sleeve is inserted into the butt joint hole, the protective sleeve is arranged in the insertion hole, and the handle is protected.

Description

Technical Field

[0001] The utility model relates to the technical field of dust-free isolation washing and dehydrating machines, in particular to a safety door lock structure for an inner barrel. Background Technique

[0002] Since the electronics industry and the optoelectronics industry need to produce in a dust-free working environment, workers must wear full-body dust-free work clothes to enter the dust-free workshop, so the cleaning work of their work clothes must also be carried out under dust-free conditions. Therefore, there is a dust-free isolation washing and dehydrating machine. Also, due to the development of the health cause and the improvement of the hospital hygiene conditions by the state for the work health of medical staff and to prevent secondary pollution during the cleaning of patient gowns and bedding, there is a sanitary isolation washing and dehydrating machine. Due to the appearance of the isolation washing and dehydrating machine, there is an inner barrel isolation door. To solve the danger caused by the inner barrel isolation door being opened by centrifugal force during high-speed dehydration, the requirements for the inner barrel door lock are high. Content of the Utility Model

[0003] The purpose of the utility model is to provide a safety door lock structure for an inner barrel to solve the problem that the inner barrel isolation door is opened by centrifugal force during high-speed dehydration, so the requirements for the inner barrel door lock are high as proposed in the above background technique.

[0004] To achieve the above purpose, the utility model provides the following technical solution: A safety door lock structure for an inner barrel, including a frame fixed on a safety door, a rotating shaft core fixedly connected to the inner side of the frame, a gear rotatably connected to the outer side of the rotating shaft core, two limiting rings fixedly connected to the outer side of the rotating shaft core, a connecting rod fixedly connected to the outer side of the gear, a blocking piece fixedly connected to the outer side of the connecting rod, a spring fixedly connected to one side of the blocking piece, a handle slidably connected to the outer side of the connecting rod, a head fixedly connected to one end of the handle, a fixing plate fixedly connected to the inner side of the frame, an installation mechanism arranged on one side of the fixing plate, a slide rail fixedly connected to the inner side of the frame, a chute opened on the outer side of the slide rail, a rack slidably connected to the inner side of the chute, a slider fixedly connected to one side of the rack, a lock pin fixedly connected to one end of the rack, a lock sleeve inserted on the outer side of the lock pin, and a jack penetratingly opened on the outer side of the fixing plate.

[0005] Preferably, the gear is arranged between the two limiting rings, and the gear is meshed with the rack.

[0006] Preferably, the blocking piece is slidably connected to the inside of the handle, and the spring is sleeved on the outer side of the connecting rod.

[0007] Preferably, the outer wall of the slider fits with the inner wall of the chute, and the slider is arranged in a trapezoidal structure.

[0008] Preferably, the installation mechanism includes a sheath, a rubber column, and a docking hole. The sheath is placed inside the jack. One side of the sheath is fixedly connected to a rubber column, and the outer side of the rubber column is inserted into the docking hole.

[0009] Preferably, the inner wall of the docking hole is adapted to the outer wall of the rubber column, and there are two rubber columns.

[0010] Compared with the prior art, the beneficial effects of the present utility model are as follows: For the safety door lock structure of the inner barrel, during use, the lock sleeve is fixed on the inner barrel, and the handle is slid to compress the spring, so that one end of the handle disengages from the jack. In this way, the handle can be rotated to drive the gear to rotate. The gear is meshed with the rack, so that the rack can be driven to slide on the slide rail, and then the lock pin can be driven to disengage from the lock sleeve, thereby opening the safety door. When closing the safety door, only need to rotate the handle in the reverse direction to drive the gear to reverse, and then push the lock pin to insert into the lock sleeve again to close the safety door. Then release the handle, the spring rebounds, and one end of the handle inserts into the jack to limit and fix the handle. Insert the rubber column on the sheath into the docking hole to place the sheath in the jack, thereby protecting the handle. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic cross-sectional structure view of the main view of the present utility model;

[0012] Figure 2 It is a schematic cross-sectional structure view of the top view of the present utility model;

[0013] Figure 3 It is a schematic structure view of the cooperation between the connecting rod and the spring of the present utility model;

[0014] Figure 4 It is a schematic cross-sectional structure view of the slide rail and the rack of the present utility model;

[0015] Figure 5 It is a schematic structure view of the cooperation between the lock pin and the lock sleeve of the present utility model;

[0016] Figure 6 It is a schematic structure view of the installation mechanism of the present utility model.

[0017] In the figure: 1. Frame body; 2. Rotating shaft core; 3. Gear; 4. Limiting ring; 5. Connecting rod; 6. Spring; 7. Handle; 8. Fixed plate; 9. Slide rail; 10. Chute; 11. Rack; 12. Slide block; 13. Lock pin; 14. Lock sleeve; 15. Head; 16. Jack; 17. Sheath; 18. Rubber column; 19. Docking hole; 20. Flap. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0018] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present utility model.

[0019] It should be noted that the structures, ratios, sizes, etc. shown in the drawings of this specification are only used to cooperate with the content disclosed in the specification for those who are familiar with this technology to understand and read, and are not used to limit the limiting conditions that can be implemented in this application. Therefore, they do not have any technical substance. Any modification of the structure, change of the proportional relationship, or adjustment of the size, without affecting the effects that this application can produce and the purposes that can be achieved, should still fall within the scope that can be covered by the technical content disclosed in this application.

[0020] Embodiment

[0021] Please refer to Figures 1-6 , a safety door lock structure for an inner barrel of the present utility model: It includes a frame body 1 fixed on the safety door. The inner side of the frame body 1 is fixedly connected with a rotating shaft core 2. A gear 3 is rotatably connected to the outer side of the rotating shaft core 2. Two limiting rings 4 are fixedly connected to the outer side of the rotating shaft core 2. A connecting rod 5 is fixedly connected to the outer side of the gear 3. A retaining piece 20 is fixedly connected to the outer side of the connecting rod 5. A spring 6 is fixedly connected to one side of the retaining piece 20. A handle 7 is slidably connected to the outer side of the connecting rod 5. A sealing head 15 is fixedly connected to one end of the handle 7. A fixing plate 8 is fixedly connected to the inner side of the frame body 1. An installation mechanism is arranged on one side of the fixing plate 8. A slide rail 9 is fixedly connected to the inner side of the frame body 1. A chute 10 is opened on the outer side of the slide rail 9. A rack 11 is slidably connected to the inner side of the chute 10. A slider 12 is fixedly connected to one side of the rack 11. A lock pin 13 is fixedly connected to one end of the rack 11. A lock sleeve 14 is inserted on the outer side of the lock pin 13. A jack 16 is penetrated and opened on the outer side of the fixing plate 8. When in use, the lock sleeve 14 is fixed on the inner barrel, the handle 7 is slid to compress the spring 6, so that one end of the handle 7 is disengaged from the jack 16. In this way, the handle 7 can be rotated to drive the gear 3 to rotate. The gear 3 is meshed with the rack 11. In this way, the rack 11 can be driven to slide on the slide rail 9. In this way, the lock pin 13 can be driven to disengage from the lock sleeve 14, so as to open the safety door. When closing the safety door, only need to rotate the handle 7 in the reverse direction to drive the gear 3 to reverse, and then push the lock pin 13 to insert into the lock sleeve 14 to close the safety door. Then release the handle 7, the spring 6 rebounds, and one end of the handle 7 is inserted into the jack 16 to limit and fix the handle 7.

[0022] For the convenience of opening and closing the safety door, the gear 3 is arranged between the two limiting rings 4, and the gear 3 is meshed with the rack 11.

[0023] To facilitate the opening and closing of the safety door, the baffle 20 is slidably connected to the inside of the handle 7, and the spring 6 is sleeved on the outside of the connecting rod 5.

[0024] To facilitate the opening and closing of the safety door, the outer wall of the slider 12 fits against the inner wall of the chute 10, and the slider 12 is arranged in a trapezoidal structure.

[0025] To facilitate the installation of the sheath 17, the installation mechanism includes the sheath 17, the rubber column 18 and the docking hole 19. The sheath 17 is placed inside the jack 16. One side of the sheath 17 is fixedly connected to the rubber column 18, and the docking hole 19 is inserted outside the rubber column 18. The rubber column 18 on the sheath 17 is inserted into the docking hole 19, so that the sheath 17 is placed in the jack 16, thereby protecting the handle 7.

[0026] Furthermore, the inner wall of the docking hole 19 is adapted to the outer wall of the rubber column 18, and two rubber columns 18 are provided.

[0027] Working principle: When in use, the lock sleeve 14 is fixed on the inner barrel, and the handle 7 is slid to compress the spring 6, so that one end of the handle 7 is disengaged from the jack 16. In this way, the handle 7 can be rotated to drive the gear 3 to rotate. The gear 3 is meshed with the rack 11, so that the rack 11 can be driven to slide on the slide rail 9, and the lock pin 13 can be driven to disengage from the lock sleeve 14, thereby opening the safety door. When closing the safety door, only need to rotate the handle 7 in the reverse direction to drive the gear 3 to reverse, and then push the lock pin 13 to insert into the lock sleeve 14 again to close the safety door. Then release the handle 7, the spring 6 rebounds, and one end of the handle 7 is inserted into the jack 16 to limit and fix the handle 7. The rubber column 18 on the sheath 17 is inserted into the docking hole 19, so that the sheath 17 is placed in the jack 16, thereby protecting the handle 7.

[0028] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A safety door lock structure for an inner barrel, comprising a frame (1) fixed on a safety door, characterized in that: The inner side of the frame (1) is fixedly connected to a rotating shaft core (2), the outer side of the rotating shaft core (2) is rotatably connected to a gear (3), the outer side of the rotating shaft core (2) is fixedly connected to two limit rings (4), the outer side of the gear (3) is fixedly connected to a connecting rod (5), the outer side of the connecting rod (5) is fixedly connected to a baffle (20), one side of the baffle (20) is fixedly connected to a spring (6), the outer side of the connecting rod (5) is slidably connected to a handle (7), one end of the handle (7) is fixedly connected to a head (15), and the frame ( A fixing plate (8) is fixedly connected to the inner side of the frame (1), a mounting mechanism is arranged on one side of the fixing plate (8), a slide rail (9) is fixedly connected to the inner side of the frame (1), a slide groove (10) is provided on the outer side of the slide rail (9), a rack (11) is slidably connected to the inner side of the slide groove (10), a slider (12) is fixedly connected to one side of the rack (11), a lock pin (13) is fixedly connected to one end of the rack (11), a lock sleeve (14) is inserted on the outer side of the lock pin (13), and a plug hole (16) is provided through the outer side of the fixing plate (8).

2. A safety door lock structure for an inner barrel according to claim 1, characterized in that: The gear (3) is arranged between the two limiting rings (4), and the gear (3) is meshingly connected with the rack (11).

3. The safety door lock structure for an inner barrel according to claim 1, characterized in that: The blocking piece (20) is slidably connected to the inner side of the handle (7), and the spring (6) is sleeved on the outer side of the connecting rod (5).

4. The safety door lock structure for an inner barrel according to claim 1, characterized in that: The outer wall of the sliding block (12) fits the inner wall of the sliding groove (10), and the sliding block (12) is arranged in a trapezoidal structure.

5. The safety door lock structure for an inner barrel according to claim 1, characterized in that: The mounting mechanism comprises a protective sleeve (17), a rubber column (18) and a docking hole (19); the protective sleeve (17) is placed inside the insertion hole (16); one side of the protective sleeve (17) is fixedly connected to the rubber column (18); and the outer side of the rubber column (18) is plugged with the docking hole (19).

6. A safety door lock structure for an inner barrel according to claim 5, characterized in that: The inner wall of the docking hole (19) is matched with the outer wall of the rubber column (18), and two rubber columns (18) are provided.

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