Liquid nitrogen quick-freezing equipment for fish head processing

By designing components such as sealing gaskets, gaskets, and threaded rods in liquid nitrogen quick-freezing equipment, the problem of poor sealing was solved, achieving stable operation of the equipment and cost reduction.

CN224094689UActive Publication Date: 2026-04-07DANJIANGKOU TONGXIN ECOLOGICAL AQUATIC PRODUCTS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-12
Publication Date
2026-04-07

AI Technical Summary

Technical Problem

The liquid nitrogen quick-freezing equipment used for fish head processing has poor sealing performance, leading to liquid nitrogen leakage, which affects production stability and costs.

Method used

The design incorporates components such as sealing gaskets, gaskets, and threaded rods. The rotation of the threaded rod causes the sealing gasket and gasket to fit tightly together, enhancing the sealing performance between the cover and the base. Components such as fixing blocks, limiting sleeves, and limiting brackets are used to stabilize the position of the connecting pipe and prevent loosening.

Benefits of technology

It effectively improves the sealing effect of liquid nitrogen quick-freezing equipment, prevents liquid nitrogen leakage, ensures stable equipment operation, and reduces production costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of liquid nitrogen quick-freezing equipment, and particularly relates to liquid nitrogen quick-freezing equipment for fish head processing, which comprises a base, the upper end of the base is in contact with a cover, a backing ring is fixedly connected in the base, a mounting seat is slidably connected in the cover, the mounting seat is slidably connected with the base, and the backing ring is fixedly connected with the base. The lower end of the mounting seat is in contact with a sealing gasket, and the upper end of the sealing gasket is fixedly connected with a clamping block. The sealing gasket, the backing ring and other key components are innovatively designed and elaborately arranged, the sealing degree between the cover and the base can be effectively increased, the threaded rod is ingeniously matched, the sealing gasket and the backing ring can be accurately driven to be tightly attached through flexible rotation, the sealing effect between the cover and the base is greatly improved, and the service life of the cover is prolonged. The problems that liquid nitrogen quick-freezing equipment for fish head processing is poor in sealing performance and liquid nitrogen is prone to leaking when used are fundamentally solved, and stable and efficient operation of the equipment is assisted.
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Description

TECHNICAL FIELD

[0001] The utility model relates to liquid nitrogen quick freezing equipment technical field, concretely is liquid nitrogen quick freezing equipment of fish head processing. BACKGROUND

[0002] Liquid nitrogen quick freezing equipment has obvious advantages in fish head processing field. It can quickly lock the freshness and nutrition of fish head by using the ultra-low temperature characteristics of liquid nitrogen, greatly improving the quality of fish head. Compared with the traditional quick freezing method, it has fast freezing speed, forms fine ice crystals, does not damage the cell structure of fish head, and the fish head meat is tender and juicy after thawing, and the taste is delicious like fresh fish head. Moreover, the equipment can accurately control the temperature to ensure the consistency of the quick freezing effect of each batch of fish head, meeting the large-scale industrial production demand. From the preservation time, the preservation period of the fish head treated by it is greatly improved, which is beneficial to storage and transportation and reduces the loss. At the same time, using liquid nitrogen quick freezing equipment can also reduce production cost and improve economic benefit. It has become a key equipment to improve product competitiveness in the food processing industry, especially in fish head processing, and brings wider development prospects for fish head processing enterprises. According to the utility model disclosed in patent authorization announcement No. CN215002447U, a liquid nitrogen quick freezing cabinet comprises a cabinet body and a cabinet door, a freezing cavity is arranged in the cabinet body, a supporting module for supporting the material to be quickly frozen is arranged in the freezing cavity, the supporting module comprises at least one containing layer, a liquid nitrogen spraying module for spraying liquid nitrogen is arranged in the containing layer, and the liquid nitrogen spraying module is connected with an external liquid nitrogen supply device.

[0003] However, the liquid nitrogen quick freezing equipment used in fish head processing exposes a more troublesome problem in actual application process - poor sealing effect. Due to the poor sealing performance, liquid nitrogen is prone to leakage. Liquid nitrogen itself has extremely low temperature and special physical properties. Once leakage occurs, not only will it cause unnecessary waste of liquid nitrogen resources and increase production cost, but also it may have adverse effects on the surrounding working environment. Moreover, liquid nitrogen leakage may affect the normal operation of the equipment, thereby interfering with the progress and quality of fish head quick freezing processing, and bringing many unstable factors to the whole fish head processing process. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a liquid nitrogen quick freezing equipment for fish head processing, which solves the problem of poor sealing effect of the liquid nitrogen quick freezing equipment for fish head processing during use, which easily leads to liquid nitrogen leakage.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: a kind of liquid nitrogen quick-freezing equipment of fish head processing, including base, the upper end of the base is contacted with lid, the inside fixed connection of the base has grommet, the inside sliding connection of the lid has mounting seat, the mounting seat is slidingly connected with base, the lower end of the mounting seat is contacted with sealing gasket, the upper end fixed connection of the sealing gasket has clamping block, the lower end fixed connection of the lid has guide rod, the outside fixed connection of the lid has guide block, the inside rotationally connected of the lid has threaded rod, the threaded rod is connected by screw thread with mounting seat, the outside fixed connection of the threaded rod has stop ring, the stop ring is rotationally connected with lid, the upper end fixed connection of the threaded rod has knob, the knob is contacted with lid, fixed mechanism is provided on the base.

[0006] Preferably, the sealing gasket is slidingly connected with the base, and the sealing gasket is in contact with the grommet. The sealing gasket can increase the sealing property between the lid and the base.

[0007] Preferably, the mounting seat is internally provided with a clamping groove, and the clamping groove is clamped with the clamping block. The clamping groove can limit the sealing gasket in cooperation with the clamping block.

[0008] Preferably, the guide block is slidingly connected with the mounting seat, and the guide block is slidingly connected with the guide rod. The guide block can limit the mounting seat.

[0009] Preferably, the fixing mechanism comprises a fixing tube, the inside of the base is fixedly connected with the fixing tube, the outside of the fixing tube is inserted with a connecting pipe, the outside of the base is fixedly connected with a fixing block, the fixing block is in contact with the connecting pipe, the outside of the fixing block is rotationally connected with a limiting sleeve, the limiting sleeve is in contact with the base, the limiting sleeve is connected with the connecting pipe by screw thread, the inside of the limiting sleeve is fixedly connected with a protruding block, the protruding block is slidingly connected with the fixing block, the outside of the connecting pipe is fixedly connected with a limiting frame. The fixing mechanism can keep the connecting pipe and the fixing tube stable.

[0010] Preferably, the limiting frame is in contact with the limiting sleeve, and the limiting frame is slidingly connected with the base. The limiting frame can limit the connecting pipe.

[0011] Compared with the prior art, the utility model has the beneficial effects as follows:

[0012] 1. The utility model discloses an innovative design, carefully set up sealing pad, gasket and other key components, can effectively increase the sealing degree between the cover and the base, more threaded rod clever cooperation, it can be through flexible rotation, accurate driving sealing pad and gasket closely, greatly improve the sealing effect between the cover and the base, fundamentally solve the fish head processing liquid nitrogen quick freezing equipment when using the poor sealing, liquid nitrogen easy to leak this difficult problem that plagues production, help equipment stable and efficient operation.

[0013] 2. The utility model discloses clever configuration fixed block, limit bushing, limit frame and other components. When the connecting pipe and the fixed pipe are inserted, the limit frame can accurately play the positioning effect to the connecting pipe, and the position of the connecting pipe is accurate and correct. At the same time, the limit bushing also plays an effective limiting role on the connecting pipe, greatly enhancing the stability of the connecting pipe and the fixed pipe after insertion. In this way, the loosening and leakage of the connecting pipe and the fixed pipe can be effectively avoided, and the stable operation of the equipment is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the overall structure perspective drawing of the utility model;

[0015] Figure 2 It is the overall structure perspective drawing of the utility model; Figure 1 It is the local structure perspective drawing of the utility model;

[0016] Figure 3 It is the front view sectional view of the utility model; Figure 1

[0017] Figure 4 It is the A part structure enlarged view in the utility model; Figure 3

[0018] In the drawing: 1, base; 2, cover; 3, gasket; 31, mounting seat; 32, sealing pad; 33, clamping block; 34, clamping groove; 35, guide rod; 36, guide block; 4, threaded rod; 41, retaining ring; 42, knob; 5, fixed mechanism; 51, fixed pipe; 52, connecting pipe; 53, fixed block; 54, limit bushing; 55, protruding block; 56, limit frame. DETAILED DESCRIPTION

[0019] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. Obviously, 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 those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0020] Please refer to Figures 1-4 ​​The utility model provides a kind of fish head processing liquid nitrogen quick-freezing equipment, including base 1, the upper end of base 1 is contacted with cover 2, the inside of base 1 is fixedly connected with gasket ring 3, the inside of cover 2 is slidably connected with mounting seat 31, mounting seat 31 is slidably connected with base 1, the lower end of mounting seat 31 is contacted with sealing washer 32, sealing washer 32 is slidably connected with base 1, sealing washer 32 is contacted with gasket ring 3, by the design of sealing washer 32, the sealing property between cover 2 and base 1 can be increased, the upper end of sealing washer 32 is fixedly connected with clamping block 33, the inside of mounting seat 31 is provided with clamping groove 34, clamping groove 34 is clamped with clamping block 33, by the design of clamping groove 34, sealing washer 32 can be limited by cooperating with clamping block 33.

[0021] Please refer to Figures 2-4 The lower end of cover 2 is fixedly connected with guide rod 35, the outside of cover 2 is fixedly connected with guide block 36, guide block 36 is slidably connected with mounting seat 31, guide block 36 is slidably connected with guide rod 35, by the design of guide block 36, mounting seat 31 can be limited, the inside of cover 2 is rotatably connected with threaded rod 4, threaded rod 4 is connected by thread with mounting seat 31, the outside of threaded rod 4 is fixedly connected with baffle ring 41, baffle ring 41 is rotatably connected with cover 2, the upper end of threaded rod 4 is fixedly connected with knob 42, knob 42 is contacted with cover 2, and fixed mechanism 5 is arranged on base 1.

[0022] Please refer to Figures 2-4 Fixed mechanism 5 includes fixed pipe 51, the inside of base 1 is fixedly connected with fixed pipe 51, the outside of fixed pipe 51 is inserted with connecting pipe 52, the outside of base 1 is fixedly connected with fixed block 53, fixed block 53 is contacted with connecting pipe 52, the outside of fixed block 53 is rotatably connected with limit sleeve 54, limit sleeve 54 is contacted with base 1, limit sleeve 54 is connected by thread with connecting pipe 52, the inside of limit sleeve 54 is fixedly connected with convex block 55, convex block 55 is slidably connected with fixed block 53, the outside of connecting pipe 52 is fixedly connected with limit frame 56, limit frame 56 is contacted with limit sleeve 54, limit frame 56 is slidably connected with base 1, by the design of limit frame 56, connecting pipe 52 can be limited, by the design of fixed mechanism 5, connecting pipe 52 and fixed pipe 51 can be stably inserted.

[0023] The specific implementation process of the utility model is as follows: when using, cover 2 and base 1 are installed, then knob 42 is rotated, knob 42 drives threaded rod 4 to rotate, threaded rod 4 and mounting seat 31 are threaded, so that mounting seat 31 moves on threaded rod 4, mounting seat 31 drives sealing washer 32 to move, sealing washer 32 is attached to gasket ring 3, so that the sealing property between cover 2 and base 1 is effectively increased;

[0024] By inserting the connecting pipe 52 with the fixed pipe 51, the connecting pipe 52 drives the limiting frame 56 to insert with the base 1, then rotates the limiting sleeve 54, so that the limiting sleeve 54 and the connecting pipe 52 are screwed, thereby the limiting sleeve 54 limits the connecting pipe 52, thereby the connecting pipe 52 and the fixed pipe 51 are inserted and kept stable.

[0025] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A liquid nitrogen quick-freezing device for processing fish heads, comprising a base (1), characterized in that: The upper end of the base (1) is in contact with the cover (2). A washer (3) is fixedly connected inside the base (1). A mounting seat (31) is slidably connected inside the cover (2). The mounting seat (31) is slidably connected to the base (1). The lower end of the mounting seat (31) is in contact with the sealing gasket (32). A locking block (33) is fixedly connected to the upper end of the sealing gasket (32). A guide rod (35) is fixedly connected to the lower end of the cover (2). A guide block (36) is fixedly connected to the outer side of the cover (2). A threaded rod (4) is rotatably connected inside the cover (2). The threaded rod (4) is threadedly connected to the mounting seat (31). A retaining ring (41) is fixedly connected to the outer side of the threaded rod (4). The retaining ring (41) is rotatably connected to the cover (2). A knob (42) is fixedly connected to the upper end of the threaded rod (4). The knob (42) is in contact with the cover (2). A fixing mechanism (5) is provided on the base (1).

2. The liquid nitrogen quick-freezing equipment for processing fish heads according to claim 1, characterized in that: The sealing gasket (32) is slidably connected to the base (1), and the sealing gasket (32) is in contact with the gasket ring (3).

3. The liquid nitrogen quick-freezing equipment for processing fish heads according to claim 1, characterized in that: The mounting base (31) has a slot (34) inside, which engages with the block (33).

4. The liquid nitrogen quick-freezing equipment for processing fish heads according to claim 1, characterized in that: The guide block (36) is slidably connected to the mounting base (31), and the guide block (36) is slidably connected to the guide rod (35).

5. The liquid nitrogen quick-freezing equipment for processing fish heads according to claim 1, characterized in that: The fixing mechanism (5) includes a fixing tube (51), the fixing tube (51) is fixedly connected inside the base (1), a connecting tube (52) is inserted into the outside of the fixing tube (51), a fixing block (53) is fixedly connected to the outside of the base (1), the fixing block (53) is in contact with the connecting tube (52), a limiting sleeve (54) is rotatably connected to the outside of the fixing block (53), the limiting sleeve (54) is in contact with the base (1), the limiting sleeve (54) is connected to the connecting tube (52) by a thread, a protrusion (55) is fixedly connected inside the limiting sleeve (54), the protrusion (55) is slidably connected to the fixing block (53), and a limiting frame (56) is fixedly connected to the outside of the connecting tube (52).

6. The liquid nitrogen quick-freezing equipment for processing fish heads according to claim 5, characterized in that: The limiting frame (56) contacts the limiting sleeve (54), and the limiting frame (56) is slidably connected to the base (1).

Citation Information

Patent Citations

  • Liquid nitrogen quick-freezing cabinet

    CN215002447U