Plate spring mounting structure of Stirling cryocooler

Abstract

The utility model relates to the technical field of Stirling cryocoolers, and discloses a plate spring mounting structure of a Stirling cryocooler, which comprises a box body, a shell I is fixedly connected inside the box body, a shell II is fixedly connected outside the shell I, a heat regenerator is slidably connected on the inner wall of the shell I, and a plate spring is fixedly connected on the inner wall of the shell II. A cold piston is slidably connected to the top of the inner wall of the first shell, a hot piston is slidably connected to the bottom of the inner wall of the first shell, a plate spring is fixedly connected to the bottom of the hot piston, a hollow column is fixedly connected to the outside of the plate spring, inner cavities are formed in the left side and the right side of the interior of the second shell, and telescopic assemblies are arranged in the inner cavities. And pull rods are arranged on the close sides of the two telescopic assemblies correspondingly, and rotating columns are rotationally connected to the bottoms of the pull rods. According to the utility model, the mounting and dismounting of the plate spring are realized, so that people can conveniently maintain and repair the plate spring, and the maintenance time and the maintenance cost are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of Stirling refrigerators, in particular to a leaf spring installation structure of a Stirling refrigerator. Background Art

[0002] A Stirling refrigerator is a thermodynamic cycle device that uses the Stirling cycle principle to achieve a refrigeration effect. Leaf springs are usually used to balance pressure, especially in the compression part of a Stirling refrigerator. Appropriate leaf spring design and mounting structure can ensure that the forces generated during the compression process are balanced, allowing the compressor components to work stably.

[0003] In the prior art, it is difficult to install leaf springs on some Stirling refrigerators. The leaf spring installation structure is complicated and difficult to install. The production process will become more complicated and time-consuming, resulting in increased manufacturing costs, which will easily have a negative impact on the market price and competitiveness of the refrigerator. The difficult-to-install leaf spring structure will make maintenance and repair more difficult. When the leaf spring needs to be replaced or repaired, maintenance personnel may encounter more challenges, resulting in extended maintenance time and increased maintenance costs. Therefore, in view of the above shortcomings, a leaf spring installation structure for a Stirling refrigerator is proposed. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a leaf spring installation structure for a Stirling refrigerator, aiming to improve the problem that some Stirling refrigerators in the prior art are difficult to install leaf springs, and the production process becomes more complicated and time-consuming.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A leaf spring mounting structure for a Stirling refrigerator comprises a box body, wherein a shell one is fixedly connected inside the box body, a shell two is fixedly connected outside the shell one, a heat regenerator is slidably connected to the inner wall of the shell one, a cold piston is slidably connected to the top of the inner wall of the shell one, a hot piston is slidably connected to the bottom of the inner wall of the shell one, a leaf spring is fixedly connected to the bottom of the hot piston, a hollow column is fixedly connected to the outside of the leaf spring, an inner cavity is provided on both left and right sides of the interior of the shell two, a telescopic assembly is arranged inside the inner cavity, pull rods are respectively arranged on adjacent sides of the two telescopic assemblies, the bottom of the pull rods are rotatably connected to a rotating column, the adjacent sides of the two rotating columns are respectively rotatably connected to a sliding column, the left and right sides of the bottom of the hollow column are fixedly connected to mounting blocks, and a square opening is provided inside the mounting block.

[0007] Furthermore, the telescopic assembly comprises a limit block, a telescopic spring is arranged on the top of the limit block, and the adjacent sides of the two limit blocks are respectively fixedly connected to the distant sides of the two pull rods.

[0008] Furthermore, a plurality of heat sinks are fixedly connected to the outside of the second shell.

[0009] Furthermore, the outside of the pull rod is slidably connected to the inside of the left and right sides of the second shell, and the outside of the sliding column is engaged with the inner wall of the square opening.

[0010] Furthermore, the outside of the sliding column is slidably connected to the inside of the left and right sides of the second shell.

[0011] Furthermore, one end of the telescopic spring is fixedly connected to the top inner wall of the inner cavity, and the other end of the telescopic spring is fixedly connected to the top of the limiting block.

[0012] The utility model has the following beneficial effects:

[0013] In the utility model, the installation and disassembly of the leaf spring are realized through the mutual cooperation of the telescopic spring, the pull rod, the rotating column, the sliding column, the mounting block, the hollow column, the sliding column, the mounting block and the like, thereby facilitating people to maintain and repair the leaf spring and reducing the maintenance time and maintenance cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A three-dimensional diagram of a leaf spring installation structure of a Stirling refrigerator proposed by the utility model;

[0015] Figure 2 This is a schematic diagram of the internal structure of a box of a leaf spring installation structure of a Stirling refrigerator proposed by the utility model;

[0016] Figure 3 This is a schematic diagram of the internal structure of a housing 2 of a leaf spring installation structure of a Stirling refrigerator proposed by the utility model;

[0017] Figure 4 The utility model provides a schematic diagram of the rotating column structure of the leaf spring installation structure of the Stirling refrigerator.

[0018] Legend:

[0019] 1. Box body; 2. Shell 1; 3. Shell 2; 4. Regenerator; 5. Cold piston; 6. Hot piston; 7. Leaf spring; 8. Hollow column; 9. Inner cavity; 10. Telescopic spring; 11. Limit block; 12. Pull rod; 13. Rotating column; 14. Sliding column; 15. Mounting block; 16. Square opening; 17. Heat sink. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Reference Figure 1 , Figure 3 , Figure 4 The utility model provides an embodiment: a leaf spring installation structure of a Stirling refrigerator, including a box body 1, which is the external frame of the entire Stirling refrigerator, providing support and protection for internal components, and ensuring the stability of the relative positions of various components through its fixed structure. The interior of the box body 1 is fixedly connected with a shell body 2, and the exterior of the shell body 2 is fixedly connected with a shell body 2 3, which provides isolation and protection for the external environment. The inner wall of the shell body 2 is slidably connected with a regenerator 4, and the main function of the regenerator 4 is to absorb heat from the external environment, so that the refrigerator can effectively recover heat energy. During the Stirling cycle, the working fluid is heated in the regenerator to increase its temperature, and at the same time, the heat of the external environment is absorbed to increase the temperature of the working fluid. The top of the inner wall of the shell body 2 is slidably connected with a cold piston 5, and the cold piston 5 realizes the compression and expansion of the working fluid. The bottom of the inner wall of the shell body 2 is slidably connected with a hot piston 6, and the hot piston 6 promotes the working fluid. Expansion and compression, the bottom of the hot piston 6 is fixedly connected with a leaf spring 7, which assists the movement of the piston and stores and releases energy during compression and expansion. The outside of the leaf spring 7 is fixedly connected with a hollow column 8. The inner left and right sides of the shell 3 are provided with inner cavities 9, and the inner cavity 9 is provided with a telescopic component. The adjacent sides of the two telescopic components are respectively provided with pull rods 12, and the bottom of the pull rod 12 is rotatably connected with a rotating column 13, and the rotating column 13 drives the pull rod 12 to slide up and down. The adjacent sides of the two rotating columns 13 are respectively rotatably connected with sliding columns 14, and the sliding column 14 drives the rotating column 13 to rotate. The left and right sides of the bottom of the hollow column 8 are fixedly connected with mounting blocks 15, and the mounting blocks 15 drive the sliding columns 14 to slide left and right. The interior of the mounting block 15 is provided with a square opening 16 to realize the installation and disassembly of the leaf spring 7, thereby facilitating people to maintain and repair the leaf spring 7, and reducing the maintenance time and maintenance cost.

[0022] Reference Figure 4 The telescopic assembly includes a limit block 11, a telescopic spring 10 is arranged on the top of the limit block 11, the limit block 11 drives the telescopic spring 10 to extend and retract, the adjacent sides of the two limit blocks 11 are respectively fixedly connected to the distant sides of the two pull rods 12, and the pull rods 12 drive the limit blocks 11 to move up and down.

[0023] Reference Figures 2 to 4, a plurality of heat sinks 17 are fixedly connected to the outside of the shell 2 3. The heat sink 17 improves the heat dissipation capacity of the refrigerator to the external environment by increasing its surface area. When the refrigerator is working, the heat generated inside is conducted to the external environment through the heat sink 17, thereby reducing the temperature inside the refrigerator and maintaining the stable operation of the equipment. The outside of the pull rod 12 is slidably connected to the left and right sides of the shell 2 3, which improves the stability of the pull rod 12. The outside of the sliding column 14 is engaged with the inner wall of the square opening 16, and the outside of the sliding column 14 is slidably connected to the left and right sides of the shell 2 3, which improves the stability of the sliding column 14. One end of the telescopic spring 10 is fixedly connected to the top inner wall of the inner cavity 9, which improves the stability of the telescopic spring 10. The other end of the telescopic spring 10 is fixedly connected to the top of the limit block 11, and the limit block 11 drives the telescopic spring 10 to expand and contract.

[0024] Working principle: After people insert the installation block 15 into the through hole of the shell 2 3, the installation block 15 drives the sliding column 14 to slide left and right, so that the sliding column 14 drives the rotating column 13 to rotate, so that the rotating column 13 drives the pull rod 12 to slide up and down, and the pull rod 12 drives the limit block 11 to move up and down, so that the limit block 11 drives the telescopic spring 10 to be extended and retracted, thereby realizing the installation and disassembly of the leaf spring 7, and then facilitating people to maintain and repair the leaf spring 7, reducing the maintenance time and maintenance cost.

[0025] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A leaf spring mounting structure for a Stirling refrigerator, comprising a housing (1), characterized in that: The interior of the box (1) is fixedly connected to a shell 1 (2), the exterior of the shell 1 (2) is fixedly connected to a shell 2 (3), the inner wall of the shell 1 (2) is slidably connected to a heat regenerator (4), the top of the inner wall of the shell 1 (2) is slidably connected to a cold piston (5), the bottom of the inner wall of the shell 1 (2) is slidably connected to a hot piston (6), the bottom of the hot piston (6) is fixedly connected to a leaf spring (7), the exterior of the leaf spring (7) is fixedly connected to a hollow column (8), and the shell 2 (3) is slidably connected to a cold piston (5), the bottom of the hot piston (6) is fixedly connected to a leaf spring (7), the exterior of the leaf spring (7) is fixedly connected to a hollow column (8), and the shell 2 (3) is slidably connected to a cold piston (5), the top ... top of the inner wall of the shell 1 (2) is slidably ) are provided with inner cavities (9) on both sides, a telescopic assembly is arranged inside the inner cavity (9), and pull rods (12) are respectively arranged on adjacent sides of the two telescopic assemblies, and the bottom of the pull rods (12) are rotatably connected to a rotating column (13), and the adjacent sides of the two rotating columns (13) are respectively rotatably connected to a sliding column (14), and the bottom of the hollow column (8) is fixedly connected to mounting blocks (15) on both sides, and a square opening (16) is opened inside the mounting block (15).

2. The leaf spring mounting structure of a Stirling refrigerator according to claim 1, characterized in that: The telescopic assembly comprises a limit block (11), a telescopic spring (10) is arranged on the top of the limit block (11), and the adjacent sides of the two limit blocks (11) are respectively fixedly connected to the distant sides of the two pull rods (12).

3. The leaf spring mounting structure of a Stirling refrigerator according to claim 1, characterized in that: A plurality of heat sinks (17) are fixedly connected to the outside of the second shell (3).

4. The leaf spring mounting structure of a Stirling refrigerator according to claim 1, characterized in that: The outside of the pull rod (12) is slidably connected to the inside of the left and right sides of the second shell (3), and the outside of the sliding column (14) is engaged with the inner wall of the square opening (16).

5. The leaf spring mounting structure of a Stirling refrigerator according to claim 1, characterized in that: The outside of the sliding column (14) is slidably connected to the inside of the left and right sides of the second shell (3).

6. The leaf spring mounting structure of a Stirling refrigerator according to claim 2, characterized in that: One end of the telescopic spring (10) is fixedly connected to the top inner wall of the inner cavity (9), and the other end of the telescopic spring (10) is fixedly connected to the top of the limit block (11).

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