Firmly-connected cylinder cover for refrigerator compressor

Abstract

The utility model discloses a firmly connected air cylinder cover for a refrigerator compressor, which relates to the technical field of refrigerator compressors and comprises a compressor air cylinder, an air cylinder cover body is slidably arranged on the upper surface of the compressor air cylinder, and two positioning rods are fixedly connected to the upper surface of the compressor air cylinder. Two positioning holes are formed in the upper surface of the air cylinder cover body, the two positioning holes are matched with the corresponding positioning rods respectively, cavities are formed in the two positioning rods, and fixing mechanisms are arranged in the cavities. The two positioning holes in the surface of the cylinder cover body are arranged on the rod walls of the corresponding positioning rods in a sleeving mode respectively, then the two rotary knobs are rotated, then the lead screw is rotated, the two sleeves move downwards and extrude the corresponding triangular blocks respectively, and then the two fixing blocks move out of the corresponding through holes respectively, so that the cylinder cover body can be fixed.

Description

Technical Field

[0001] The utility model relates to the technical field of refrigerator compressors, in particular to a firmly connected cylinder head for refrigerator compressors. Background Art

[0002] With the development of society, refrigerators have become an indispensable household appliance in people's daily life. The refrigerator compressor is an important component for the operation of the refrigerator. The refrigerator compressor compresses the reciprocating motion of the piston in the cylinder hole to do work on the refrigerant.

[0003] Among them, a cylinder head for a refrigerator compressor with good sealing performance is disclosed with publication number CN212867839U, comprising a cover body, the surface of the cover body is symmetrically provided with two first limit grooves, the inner wall surfaces of the two first limit grooves are both provided with second limit grooves, the surface of the cover body is provided with a heat conduction plate, the two end surfaces of the heat conduction plate are symmetrically provided with two second sliding grooves, the inner wall surfaces of the two second sliding grooves are both penetrated with a first sliding groove.

[0004] However, the existing refrigerator compressor cylinder head with good sealing performance is not tight enough when connected, and the cylinder head can be opened by pressing two buttons, so the cylinder head is easy to fall off, thereby affecting the refrigerator compressor. Utility Model Content

[0005] In view of the problems existing in the existing refrigerator compressor cylinder head with good sealing performance, the present utility model is proposed.

[0006] Therefore, the purpose of the utility model is to provide a cylinder head for a refrigerator compressor with a firmly connected connection, which solves the problem that the existing cylinder head for a refrigerator compressor with good sealing performance is not tight enough when connected, and the cylinder head can be opened by pressing two buttons, so the cylinder head is easy to fall off, thereby affecting the refrigerator compressor.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A firmly connected cylinder head for a refrigerator compressor comprises a compressor cylinder, a cylinder head body being slidably arranged on the upper surface of the compressor cylinder, two positioning rods being fixedly connected to the upper surface of the compressor cylinder, two positioning holes being provided on the upper surface of the cylinder head body, the two positioning holes being respectively matched with corresponding positioning rods, cavities being provided inside the two positioning rods, fixing mechanisms being provided inside the cavities, the cylinder head body being fixedly connected to the side wall of the compressor cylinder via the fixing mechanism, a protection mechanism being provided on the upper surface of the compressor cylinder, the protection mechanism being matched with the cylinder head body.

[0009] Preferably, the fixing mechanism includes a plurality of fixing blocks, a plurality of triangular blocks, two trapezoidal blocks, two sleeves, two screw rods and two knobs. A through hole is opened on one side of the two cavities. The two fixing blocks are slidably arranged inside the corresponding through holes. Each of the triangular blocks is fixedly connected to one side of the corresponding fixing block. The two screw rods are rotatably connected to the upper surface inside the corresponding cavity. The two sleeves are threadedly sleeved on the rod wall of the corresponding screw rod. The two trapezoidal blocks are fixedly connected to the lower ends of the corresponding sleeves and match the corresponding two trapezoidal blocks respectively. The upper ends of the two screw rods pass through the upper surface inside the corresponding cavity and are fixedly connected to the corresponding knobs respectively.

[0010] Preferably, the protection mechanism includes a circular magnet, a protective cover and a circular iron block, the circular magnet is fixedly connected to the upper surface of the compressor cylinder, the protective cover is arranged on the upper surface of the circular magnet, a circular groove is opened below the protective cover, the circular iron block is fixedly embedded in the inside of the circular groove, and the circular iron block matches the circular groove.

[0011] Preferably, the lower surfaces of the two cavities are provided with sliding grooves, the interiors of the two sliding grooves are fixedly connected with connecting rods, the rod walls of the two connecting rods are slidably sleeved with two sliders, each of the sliders is respectively fixedly connected to the lower surface of the corresponding triangular block, the rod walls of the two connecting rods are slidably sleeved with two springs, and each of the springs is respectively matched with the corresponding slider.

[0012] Preferably, two telescopic rods are fixedly connected between the two trapezoidal blocks and the upper surface inside the corresponding cavity.

[0013] Preferably, a sealing gasket is fixedly connected to the lower surface of the cylinder head body.

[0014] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0015] 1. The utility model is to respectively sleeve the two positioning holes on the surface of the cylinder head body on the rod wall of the corresponding positioning rod, then rotate the two knobs, then rotate the screw rod, then move the two sleeves downward and squeeze the corresponding triangular blocks respectively, and then move the two fixing blocks out of the corresponding through holes respectively, so that the cylinder head body can be fixed.

[0016] 2. The utility model, through the protection mechanism arranged on the upper surface of the compressor cylinder, can absorb the circular iron block by using the circular magnet, and then the protection cover can be fixed, thereby preventing the staff from accidentally touching the knob and causing the cylinder head body to fall off. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 For the utility model Figure 1 A cross-sectional view of

[0020] Figure 3 For the utility model Figure 2 A magnified schematic diagram of part A.

[0021] Description of reference numerals:

[0022] 1. Compressor cylinder; 2. Cylinder head body; 3. Positioning rod; 4. Fixing block; 5. Triangular block; 6. Trapezoidal block; 7. Sleeve; 8. Screw rod; 9. Knob; 10. Round magnet; 11. Protective cover; 12. Round iron block; 13. Connecting rod; 14. Slider; 15. Spring; 16. Telescopic rod; 17. Sealing gasket. DETAILED DESCRIPTION

[0023] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0024] The utility model embodiment discloses a firmly connected cylinder head for a refrigerator compressor.

[0025] The utility model provides Figure 1-3 A firmly connected cylinder head for a refrigerator compressor shown in the figure includes a compressor cylinder 1, a cylinder head body 2 is slidably arranged on the upper surface of the compressor cylinder 1, two positioning rods 3 are fixedly connected to the upper surface of the compressor cylinder 1, two positioning holes are provided on the upper surface of the cylinder head body 2, the two positioning holes are respectively matched with the corresponding positioning rods 3, cavities are provided inside the two positioning rods 3, and fixing mechanisms are provided inside the cavities. The cylinder head body 2 is fixedly connected to the side wall of the compressor cylinder 1 through the fixing mechanism, and a protective mechanism is provided on the upper surface of the compressor cylinder 1, and the protective mechanism matches the cylinder head body 2.

[0026] The cover plate body 2 can be fixed to the upper surface of the compressor cylinder 1 by using a fixing mechanism, and then the protective mechanism can be used to prevent the staff from accidentally touching the fixing mechanism, thereby playing a protective role.

[0027] In order to fix the cover body 2, as Figure 1-3As shown, the fixing mechanism includes a plurality of fixing blocks 4, a plurality of triangular blocks 5, two trapezoidal blocks 6, two sleeves 7, two screw rods 8 and two knobs 9. A through hole is opened on one side of the two cavities. The two fixing blocks 4 are respectively slidably arranged inside the corresponding through holes. Each triangular block 5 is respectively fixedly connected to one side of the corresponding fixing block 4. The two screw rods 8 are respectively rotatably connected to the upper surface inside the corresponding cavity. The two sleeves 7 are respectively threadedly sleeved on the rod wall of the corresponding screw rod 8. The two trapezoidal blocks 6 are respectively fixedly connected to the lower ends of the corresponding sleeves 7 and are respectively matched with the corresponding two trapezoidal blocks 6. The upper ends of the two screw rods 8 pass through the upper surface inside the corresponding cavity and are respectively fixedly connected to the corresponding knobs 9.

[0028] The two positioning holes on the surface of the cylinder head body 2 are respectively put on the rod wall of the corresponding positioning rod 3, and then the two knobs 9 are rotated, and then the screw rod 8 is rotated, and then the two sleeves 7 are moved down and squeeze the corresponding triangular blocks 5 respectively, and then the two fixing blocks 4 are moved out of the corresponding through holes respectively, so that the cylinder head body 2 can be fixed.

[0029] In order to prevent staff from accidentally touching Figure 1-2 As shown, the protection mechanism includes a circular magnet 10, a protection cover 11 and a circular iron block 12. The circular magnet 10 is fixedly connected to the upper surface of the compressor cylinder 1, the protection cover 11 is arranged on the upper surface of the circular magnet 10, a circular groove is opened below the protection cover 11, and the circular iron block 12 is fixedly embedded in the inside of the circular groove, and the circular iron block 12 matches the circular groove.

[0030] The circular iron block 12 can be adsorbed by the circular magnet 10, and then the protective cover 11 can be fixed, thereby preventing the staff from accidentally touching the knob 9 and causing the cylinder head body 2 to fall off.

[0031] In order to facilitate opening of the cylinder head body 2, Figure 2-3 As shown, the lower surfaces of the two cavities are provided with sliding grooves, and the interiors of the two sliding grooves are fixedly connected with connecting rods 13. The rod walls of the two connecting rods 13 are slidably sleeved with two sliders 14, and each slider 14 is respectively fixedly connected to the lower surface of the corresponding triangular block 5. The rod walls of the two connecting rods 13 are slidably sleeved with two springs 15, and each spring 15 is matched with the corresponding slider 14.

[0032] The rebound force of each spring 15 can be used to drive the triangular block 5 to return to its original position when the trapezoidal block 6 moves upward, so that each fixed block 4 can move into the corresponding cavity.

[0033] In order to prevent the two trapezoidal blocks 6 from rotating, Figure 2-3 As shown, two telescopic rods 16 are fixedly connected between the two trapezoidal blocks 6 and the upper surface inside the corresponding cavity.

[0034] Each telescopic rod 16 can be used to limit the position, thereby preventing the two trapezoidal blocks 6 from rotating along with the corresponding screw rod 8 .

[0035] Finally, in order to improve the air tightness of the compressor cylinder 1, Figure 1-2 As shown, a sealing gasket 17 is fixedly connected to the lower surface of the cylinder head body 2.

[0036] The gasket 17 can be used to improve the air tightness of the compressor cylinder 1.

[0037] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A firmly connected cylinder head for a refrigerator compressor, comprising a compressor cylinder (1), characterized in that: A cylinder head body (2) is slidably arranged on the upper surface of the compressor cylinder (1); two positioning rods (3) are fixedly connected to the upper surface of the compressor cylinder (1); two positioning holes are provided on the upper surface of the cylinder head body (2); the two positioning holes are respectively matched with the corresponding positioning rods (3); cavities are provided inside the two positioning rods (3); fixing mechanisms are provided inside the cavities; the cylinder head body (2) is fixedly connected to the side wall of the compressor cylinder (1) via the fixing mechanism; a protection mechanism is provided on the upper surface of the compressor cylinder (1); the protection mechanism is matched with the cylinder head body (2).

2. The firmly connected refrigerator compressor cylinder head according to claim 1, characterized in that: The fixing mechanism comprises a plurality of fixing blocks (4), a plurality of triangular blocks (5), two trapezoidal blocks (6), two sleeves (7), two screw rods (8) and two knobs (9). A through hole is provided on one side of the two cavities. The two fixing blocks (4) are respectively slidably arranged inside the corresponding through holes. Each of the triangular blocks (5) is respectively fixedly connected to one side of the corresponding fixing block (4). The two screw rods (8) are respectively rotatably connected to the upper surface inside the corresponding cavity. The two sleeves (7) are respectively threadedly sleeved on the rod wall of the corresponding screw rod (8). The two trapezoidal blocks (6) are respectively fixedly connected to the lower end of the corresponding sleeve (7) and respectively match the corresponding two trapezoidal blocks (6). The upper ends of the two screw rods (8) penetrate the upper surface inside the corresponding cavity and are respectively fixedly connected to the corresponding knobs (9).

3. The firmly connected refrigerator compressor cylinder head according to claim 1, characterized in that: The protection mechanism comprises a circular magnet (10), a protection cover (11) and a circular iron block (12); the circular magnet (10) is fixedly connected to the upper surface of the compressor cylinder (1); the protection cover (11) is arranged on the upper surface of the circular magnet (10); a circular groove is provided below the protection cover (11); the circular iron block (12) is fixedly embedded in the interior of the circular groove; the circular iron block (12) matches the circular groove.

4. The firmly connected refrigerator compressor cylinder head according to claim 1, characterized in that: The lower surfaces of the two cavities are provided with a sliding groove, the interiors of the two sliding grooves are fixedly connected with a connecting rod (13), the rod walls of the two connecting rods (13) are slidably sleeved with two sliders (14), each of the sliders (14) is respectively fixedly connected to the lower surface of the corresponding triangular block (5), the rod walls of the two connecting rods (13) are slidably sleeved with two springs (15), and each of the springs (15) is respectively matched with the corresponding slider (14).

5. The firmly connected refrigerator compressor cylinder head according to claim 2, characterized in that: Two telescopic rods (16) are fixedly connected between the two trapezoidal blocks (6) and the upper surface inside the corresponding cavity.

6. The firmly connected refrigerator compressor cylinder head according to claim 1, characterized in that: A sealing gasket (17) is fixedly connected to the lower surface of the cylinder head body (2).

Images