Liquid nitrogen tunnel refrigerator

Abstract

The utility model discloses a liquid nitrogen tunnel refrigerator, which belongs to the technical field of refrigerators and comprises a refrigerator body, a controller is connected to the front side of the refrigerator body, a plurality of supporting legs are connected to the lower portion of the refrigerator body, a material inlet is formed in one side of the refrigerator body, a refrigerator cover is connected to the refrigerator body, and an auxiliary plate is connected to one side of the controller. A mounting plate is clamped in the controller, a display screen is arranged on the front face of the controller, and a protective shell is connected to one side of the mounting plate. According to the liquid nitrogen tunnel refrigerator, the auxiliary plate, the mounting plate, the protective shell, an inclined block, a sleeve plate, an inclined plate, a moving rod and a first spring are arranged, and the refrigerator is matched with the inclined block, the inclined plate and the first spring, so that the protective shell and the auxiliary plate can achieve the rapid assembly function, and a display screen on the front face of a controller is conveniently protected; and the phenomenon that the controller is damaged or short-circuited when being impacted by external force is avoided, so that the service life of the refrigerator is guaranteed.

Description

Technical Field

[0001] The utility model belongs to the technical field of refrigerators, in particular to a liquid nitrogen tunnel refrigerator. Background Art

[0002] Liquid nitrogen tunnel freezer is a high-efficiency refrigeration equipment that uses liquid nitrogen as a cooling medium. It is widely used in the field of tunnels and underground engineering, especially in processes such as stratum reinforcement, tunnel excavation, and rock crushing. The main components of the current freezer include a refrigeration system, a circulation system, a control system, and auxiliary equipment. The control system is responsible for monitoring and adjusting the entire freezing process through the controller to ensure the stability of the freezing effect. However, most freezers do not have a protective structure when in use, and it is difficult to protect the surface of the controller. When impacted by external force, the controller is easily damaged or short-circuited, thereby reducing the service life of the freezer. Utility Model Content

[0003] In order to overcome the above defects, the utility model provides a liquid nitrogen tunnel freezer, which solves the problem that most freezers do not have a protective structure when in use, making it difficult to protect the surface of the controller, and the controller is easily damaged or short-circuited when impacted by external force, thereby reducing the service life of the freezer.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a liquid nitrogen tunnel freezer, comprising a body, a controller connected to the front of the body, a plurality of legs connected to the bottom of the body, a material inlet provided on one side of the body, a cover connected to the body, an auxiliary plate connected to one side of the controller, a mounting plate snap-connected to the controller, a display screen provided on the front of the controller, a protective shell connected to one side of the mounting plate, an inclined block connected to one side of the protective shell, a sleeve plate connected to the outside of the auxiliary plate, an inclined plate slidably connected to the inside of the sleeve plate, a moving rod connected to one side of the inclined plate, and a spring 1 connected to the outer surface of the moving rod.

[0005] As a further solution of the utility model: the inclined plate is overlapped with the inclined block, and the moving rod is connected with the sleeve plate through a spring.

[0006] As a further solution of the utility model: a groove is provided in the auxiliary plate, a slide groove is provided in the controller, and the mounting plate is slidably connected in the slide groove.

[0007] As a further solution of the utility model: the front of the protective shell is rotatably connected to a guide rod, the guide rod is externally connected to a sealing cover, a handle is provided on the front of the sealing cover, a card slot is connected to the protective shell, and an L-shaped plate is slidably connected inside the sealing cover.

[0008] As a further solution of the utility model: the L-shaped plate is clamped in the clamping groove, the outside of the L-shaped plate is connected to a push plate, and the outside of the sealing cover is connected to a fixing block.

[0009] As a further solution of the utility model: a second spring is provided on the fixing block, and the L-shaped plate is connected to the fixing block via the second spring.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] 1. The liquid nitrogen tunnel freezer is provided with an auxiliary plate, a mounting plate, a protective shell, an inclined block, a sleeve plate, an inclined plate, a moving rod and a spring. When the protective shell moves, the inclined block will be interlaced with the groove and then contact the inclined plate. When the moving rod moves, the spring will cause the spring to deform. When the mounting plate fits the auxiliary plate, the inclined block will be separated from the inclined plate, and the inclined plate will be reset by the spring. After the reset, the inclined plate will be clamped with the inclined block. The freezer cooperates with the inclined block, the inclined plate and the spring, so that the protective shell and the auxiliary plate can be quickly assembled, which is convenient for protecting the display screen on the front of the controller, avoiding damage or short circuit of the controller when it is hit by external force, thereby ensuring the service life of the freezer.

[0012] 2. The liquid nitrogen tunnel freezer is provided with a card slot, an L-shaped plate and a second spring. When the sealing cover is fitted with the protective shell, the L-shaped plate drives the second spring to deform when it moves. After the protective shell is engaged with the sealing cover, the L-shaped plate is released. When the L-shaped plate is reset by the second spring, it is engaged in the card slot, so that the sealing cover and the protective shell can realize the positioning function, which is convenient for unfolding or storing the sealing cover. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0014] Figure 2 It is a three-dimensional structural diagram of the controller of the utility model;

[0015] Figure 3 This is a schematic diagram of the structure of the explosion of the mounting plate of the utility model;

[0016] Figure 4 For this utility model Figure 2 The enlarged structural diagram at A in the middle;

[0017] In the figure: 1. Machine body; 2. Support feet; 3. Machine cover; 4. Material inlet; 5. Controller; 6. Auxiliary plate; 7. Mounting plate; 8. Protective shell; 9. Guide rod; 10. Sealing cover; 11. Handle; 12. Slide groove; 13. Display screen; 14. Inclined block; 15. Sleeve plate; 16. Inclined plate; 17. Moving rod; 18. Spring 1; 19. Groove; 20. Card slot; 21. L-shaped plate; 22. Fixed block; 23. Spring 2; 24. Push plate. DETAILED DESCRIPTION

[0018] The technical solution of this patent is further described in detail below in conjunction with specific implementation methods.

[0019] like Figure 1-4 As shown, the utility model provides a technical solution: a liquid nitrogen tunnel freezer, comprising a body 1, a controller 5 is connected to the front of the body 1, a plurality of legs 2 are connected to the bottom of the body 1, a material inlet 4 is provided on one side of the body 1, a cover 3 is connected to the body 1, an auxiliary plate 6 is connected to one side of the controller 5, a mounting plate 7 is clamped in the controller 5, a display screen 13 is provided on the front of the controller 5, and a protective shell 8 is connected to one side of the mounting plate 7;

[0020] The front of the protective shell 8 is rotatably connected to a guide rod 9, and a sealing cover 10 is externally connected to the guide rod 9. A handle 11 is provided on the front of the sealing cover 10. A card slot 20 is connected to the protective shell 8. An L-shaped plate 21 is slidably connected to the sealing cover 10. The L-shaped plate 21 is clamped in the card slot 20. A push plate 24 is externally connected to the L-shaped plate 21. A fixed block 22 is externally connected to the sealing cover 10. A spring 23 is provided on the fixed block 22. The L-shaped plate 21 is connected to the fixed block 22 via the spring 23. By providing the card slot 20 and the L-shaped plate 21, when the sealing cover 10 is clamped with the protective shell 8, the L-shaped plate 21 in the sealing cover 10 will be clamped in the card slot 20, thereby being able to play a certain limiting role on the sealing cover 10, and avoiding the position of the sealing cover 10 from shifting when it is fixed;

[0021] One side of the protective shell 8 is connected with an inclined block 14, the auxiliary plate 6 is externally connected with a sleeve plate 15, an inclined plate 16 is slidably connected inside the sleeve plate 15, one side of the inclined plate 16 is connected with a moving rod 17, a spring 18 is externally connected with the moving rod 17, the inclined plate 16 overlaps with the inclined block 14, and the moving rod 17 is connected with the sleeve plate 15 through the spring 18. By setting the spring 18, when the inclined plate 16 is affected by thrust or tension, the inclined plate 16 will drive the spring 18 to deform, so that the spring 18 plays a certain supporting role in the movement of the inclined plate 16, and when the inclined plate 16 loses resistance, it will be reset by the spring 18;

[0022] A groove 19 is provided in the auxiliary plate 6. By providing the groove 19, when the mounting plate 7 is connected to the auxiliary plate 6, the protective shell 8 on the side of the mounting plate 7 will be inserted into the groove 19, so that the groove 19 plays a certain auxiliary role for the protective shell 8, avoiding the protective shell 8 from getting stuck when connected to the auxiliary plate 6, and the protective shell 8 can play a better sealing role after being inserted into the groove 19;

[0023] A slide groove 12 is provided in the controller 5, and the mounting plate 7 is slidably connected in the slide groove 12. By setting the slide groove 12, when the protective shell 8 is connected to the controller 5, the mounting plate 7 will slide in the slide groove 12, so that the slide groove 12 plays a certain guiding role for the mounting plate 7, thereby avoiding the mounting plate 7 from colliding with the controller 5 when connected.

[0024] The working principle of the utility model is:

[0025] When the refrigerator is in use, the mounting plate 7 can be slid in the slide groove 12, and the protective shell 8 will be interlaced with the groove 19 when moving. When the inclined block 14 contacts the inclined plate 16, the inclined plate 16 will slide in the sleeve plate 15, and the moving rod 17 will drive the spring 18 to deform when moving. When the mounting plate 7 is fitted with the auxiliary plate 6, the inclined block 14 will be separated from the inclined plate 16, and the inclined plate 16 will be reset by the spring 18. After the reset, the inclined plate 16 will be clamped with the inclined block 14, so that The auxiliary plate 6 can seal the controller 5. When the freezer needs to be controlled through the display screen 13, the push plate 24 can apply a thrust to the L-shaped plate 21. The L-shaped plate 21 will drive the spring 23 to deform when moving, and the L-shaped plate 21 will be separated from the slot 20. Then, the sealing cover 10 is driven to rotate through the handle 11. When the sealing cover 10 is fitted with the protective shell 8, the push plate 24 is released. When the L-shaped plate 21 is reset by the spring 23, it will be connected with the slot 20.

[0026] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0027] The above describes in detail the preferred implementation of this patent, but this patent is not limited to the above implementation. Various changes can be made within the knowledge scope of ordinary technicians in this field without departing from the purpose of this patent.

Claims

1. A liquid nitrogen tunnel freezer, comprising a body (1), characterized in that: The front of the machine body (1) is connected to a controller (5), a plurality of legs (2) are connected to the bottom of the machine body (1), a material inlet (4) is provided on one side of the machine body (1), a cover (3) is connected to the top of the machine body (1), an auxiliary plate (6) is connected to one side of the controller (5), a mounting plate (7) is snap-connected inside the controller (5), a display screen (13) is provided on the front of the controller (5), a protective shell (8) is connected to one side of the mounting plate (7), an inclined block (14) is connected to one side of the protective shell (8), a sleeve plate (15) is connected to the outside of the auxiliary plate (6), an inclined plate (16) is slidably connected to the inside of the sleeve plate (15), a moving rod (17) is connected to one side of the inclined plate (16), and a spring (18) is connected to the outer surface of the moving rod (17).

2. A liquid nitrogen tunnel freezer according to claim 1, characterized in that: The inclined plate (16) is overlapped with the inclined block (14), and the moving rod (17) is connected with the sleeve plate (15) through a spring (18).

3. A liquid nitrogen tunnel freezer according to claim 1, characterized in that: The auxiliary plate (6) is provided with a groove (19), the controller (5) is provided with a slide groove (12), and the mounting plate (7) is slidably connected in the slide groove (12).

4. A liquid nitrogen tunnel freezer according to claim 1, characterized in that: The front side of the protective shell (8) is rotatably connected to a guide rod (9), the guide rod (9) is externally connected to a sealing cover (10), the front side of the sealing cover (10) is provided with a handle (11), the protective shell (8) is connected to a card slot (20), and the sealing cover (10) is slidably connected to an L-shaped plate (21).

5. A liquid nitrogen tunnel freezer according to claim 4, characterized in that: The L-shaped plate (21) is clamped in the clamping groove (20), the L-shaped plate (21) is externally connected to a push plate (24), and the sealing cover (10) is externally connected to a fixing block (22).

6. A liquid nitrogen tunnel freezer according to claim 5, characterized in that: The fixing block (22) is provided with a second spring (23), and the L-shaped plate (21) is connected to the fixing block (22) via the second spring (23).

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