Swash plate type compressor and play clearance adjusting structure

Abstract

The invention relates to a swash plate type compressor and a play clearance adjusting structure. The swash plate type compressor comprises a cylinder body and a cylinder cover connected to the side edge of the cylinder body through a long bolt, and further comprises a plurality of cylinder bodies evenly arranged with the axis of the cylinder body as the center. The piston capable of doing reciprocating motion is correspondingly arranged in the air cylinder body; the main shaft is rotationally arranged in an inner cavity of the cylinder body through a bearing; the invention relates to the technical field of compressors. According to the swash plate type compressor and the play clearance adjusting structure, by adopting the moving part with a simple structure, particularly the integrally designed rolling plate and the optimized connecting structure, the number of machining parts is reduced, the machining cost is reduced, meanwhile, a worker can finish assembling work more quickly and accurately through the simplified assembling process, and the working efficiency is improved. And the production efficiency is greatly improved.

Description

Technical Field

[0001] The invention relates to the technical field of compressors, in particular to a slant plate type compressor and a moving clearance adjustment structure. Background Art

[0002] There are some obvious deficiencies in the existing swash plate compressor technology. On the one hand, the structure of the moving parts is often complex, resulting in a large number of processed parts, which not only increases the processing cost, but also makes the assembly process cumbersome, consumes a lot of manpower and time costs, and seriously affects production efficiency. On the other hand, the adjustment of the movement clearance has always been a difficult problem. The traditional movement clearance adjustment method has a complex measurement process, and the adjustment accuracy is difficult to guarantee. In addition, the adjustment process is cumbersome, the installation efficiency is low, and it is also easy to make incorrect adjustments, which affects the overall performance and service life of the compressor. Summary of the invention

[0003] In view of the shortcomings of the prior art, the present invention provides a swash plate type compressor and a play clearance adjustment structure, which simplifies the structure of the moving parts, reduces the number of processed parts, simplifies the assembly process, and thus improves production efficiency. At the same time, the present invention also aims to provide a play clearance adjustment device based on a centering block and bolt locking, which can conveniently and quickly measure and adjust the play clearance, improve installation efficiency and correctness, and solve the above-mentioned problems.

[0004] To achieve the above objectives, the present invention is implemented through the following technical solutions: A slant plate type compressor and a sway clearance adjustment structure, comprising a cylinder body and a cylinder head connected to the side of the cylinder body by long bolts:

[0005] Also included are a plurality of cylinder bodies evenly arranged around the cylinder axis;

[0006] The cylinder body is provided with a piston capable of reciprocating motion;

[0007] Also includes a main shaft rotatably disposed in the inner cavity of the cylinder body through a bearing;

[0008] It also includes a swash plate connected to the tail of the main shaft through a motion mechanism, the right side of which is inclined relative to the main shaft axis, the bottom of the swash plate is rotatably connected to a rolling plate arranged in the inner cavity of the cylinder body, one end of the piston is fixedly connected to a connecting piece, both sides of the rolling plate are fixedly connected to ball heads connected in the middle through a connecting rod passing through the rolling plate, and the upper and lower parts of the connecting piece are respectively provided with ball sockets rotatably connected to the ball heads, and the main shaft passes through the swash plate and the rolling plate in sequence;

[0009] The motion mechanism includes an empty slot opened in the inner cavity of the inclined plate, the main shaft is provided with a rectangular section at the empty slot, the inner cavity of the rectangular section is provided with a first slideway and a second slideway respectively, the inner cavity of the inclined plate is fixedly connected with a first slide bar penetrating the first slideway and a second slide bar penetrating the second slideway respectively, the first slideway is vertically arranged in the inner cavity of the main shaft, and the second slideway is symmetrically inclined in the inner cavity of the main shaft and the inclined surface of the inclined plate relative to the vertical direction of the main shaft. When in use, the main shaft rotates, and the inclined plate is driven to rotate through the transmission of the motion mechanism, and the rotation of the inclined plate continuously pushes the rolling plate to move left and right The piston reciprocates in the cylinder body. 1. A rotating shaft is provided in the casing, and a swash plate is installed on the rotating shaft. The swash plate is connected to the piston through a uniquely designed moving part. The moving part adopts an integrated rolling plate. The rolling plate directly cooperates with the swash plate, and a rolling track matching the profile of the swash plate is provided on its surface. This design replaces the combination of multiple traditional transmission parts and reduces the number of parts. The rolling plate is connected to the casing through a slideway. The design of the slideway enables the rolling plate to stably move along a predetermined track during the movement, and reduces friction and wear during the movement.

[0010] The clearance adjustment structure comprises a centering clearance adjustment block which is threadedly connected to the inner cavity of the cylinder head through a thread groove.

[0011] As a further solution of the present invention: a pointed cone section is arranged at the end of the centering and gap-adjusting block, and a connecting groove adapted to the pointed cone section is opened at the end of the main shaft.

[0012] As a further solution of the present invention: the surface of the pointed cone section is coated with a wear-resistant coating.

[0013] As a further solution of the present invention: a measuring reference surface is provided on the surface of the centering and adjusting block located on the outer side of the cylinder head, and the play clearance is measured by using an external measuring tool, such as a dial indicator, through the measuring reference surface on the centering and adjusting block. According to the measurement result, the position of the centering and adjusting block on the main shaft is adjusted by tightening or loosening the long bolt, thereby adjusting the play clearance.

[0014] As a further solution of the present invention: the end of the centering and adjusting block is provided with a hexagonal threaded groove, and the centering and adjusting block can be rotated by an hexagonal wrench to adjust its depth in the inner cavity of the cylinder head and adjust the contact distance with the main shaft. The centering and adjusting block is designed with a special structure. When the long bolt is locked, the centering and adjusting block can fit tightly with the main shaft. By measuring the tightening degree of the long bolt and the relative position of the centering and adjusting block and the main shaft, the shaft clearance can be measured conveniently and accurately. During the installation process, the workers can quickly adjust the position of the shaft according to the measurement results to ensure that the shaft clearance is in the optimal state, thereby improving the efficiency and correctness of the installation.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. The present invention reduces the number of processed parts and reduces processing costs by adopting moving parts with simple structures, especially rolling plates with integrated design and optimized connection structures. At the same time, the simplified assembly process enables workers to complete assembly work more quickly and accurately, greatly improving production efficiency.

[0017] 2. The movement clearance adjustment device based on the centering clearance adjustment block and bolt locking is simple and convenient to operate. Through the cooperation of the long bolt and the centering clearance adjustment block, the movement clearance can be adjusted quickly. At the same time, the setting of the measurement reference surface makes the measurement process more accurate and quick, improves the installation efficiency and correctness, and thus ensures the performance and service life of the compressor. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the present invention;

[0019] Figure 2 It is a structural cross-sectional view of the present invention;

[0020] Figure 3 It is an explosion schematic diagram of the present invention;

[0021] Figure 4 It is a schematic diagram of the structure of the slant plate and the rolling plate of the present invention;

[0022] Figure 5 It is a schematic diagram of the structure of the main shaft, the inclined plate and the rolling plate of the present invention.

[0023] In the figure: 1. cylinder body; 2. inclined plate; 3. cylinder head; 4. main shaft; 5. centering and gap adjustment block; 6. pointed cone section; 7. connecting groove; 8. threaded groove; 9. rolling plate; 10. piston; 11. first slideway; 12. rectangular section; 13. second slide rod; 14. second slideway; 15. rectangular section; 17. empty groove; 19. long bolt; 20. connecting piece; 21. ball head. DETAILED DESCRIPTION

[0024] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined invention purpose, the specific implementation mode, structure, characteristics and effects of the present invention are described in detail below in combination with the accompanying drawings and preferred embodiments.

[0025] See also Figure 1-5 The present invention provides a technical solution: a slant plate type compressor and a moving clearance adjustment structure, comprising a cylinder body 1 and a cylinder head 3 connected to the side of the cylinder body 1 by a long bolt 19:

[0026] It also includes a plurality of cylinder bodies evenly arranged around the axis of the cylinder body 1;

[0027] The cylinder body also includes a piston 10 that can reciprocate;

[0028] It also includes a main shaft 4 rotatably arranged in the inner cavity of the cylinder body 1 through a bearing;

[0029] It also includes a swash plate 2 connected to the tail of the main shaft 4 through a motion mechanism, the right side of which is inclined relative to the axis of the main shaft 4, the bottom of the swash plate 2 is rotatably connected to a rolling plate 9 arranged in the inner cavity of the cylinder body 1, one end of the piston 10 is fixedly connected to a connecting piece 20, both sides of the rolling plate 9 are fixedly connected to ball heads 21 connected in the middle through a connecting rod passing through the rolling plate 9, and the upper and lower parts of the connecting piece 20 are respectively provided with ball sockets rotatably connected to the ball heads 21, and the main shaft 4 passes through the swash plate 2 and the rolling plate 9 in sequence;

[0030] The motion mechanism includes a slot 17 provided in the inner cavity of the swash plate 2, a rectangular section 15 provided at the slot 17 of the main shaft 4, a first slideway 11 and a second slideway 14 provided in the inner cavity of the rectangular section 15, a first slide bar 12 penetrating the first slideway 11 and a second slide bar 13 penetrating the second slideway 14 are fixedly connected in the inner cavity of the swash plate 2, the first slideway 11 is vertically provided in the inner cavity of the main shaft 4, the second slideway 14 is symmetrically inclined in the inner cavity of the main shaft 4 and the inclined surface of the swash plate 2 relative to the vertical direction of the main shaft 4, when the main shaft 4 rotates during use, the swash plate 2 is driven to rotate through the motion mechanism, and the swash plate 2 rotates continuously The rolling plate 9 is pushed to move left and right, driving the piston 10 to reciprocate in the cylinder body. 1. A rotating shaft is provided in the housing, and a swash plate 2 is installed on the rotating shaft. The swash plate 2 is connected to the piston through a uniquely designed moving part. The moving part adopts an integrated rolling plate 9. The rolling plate 9 directly cooperates with the swash plate 2, and a rolling track adapted to the contour of the swash plate 2 is provided on its surface. This design replaces the combination of multiple traditional transmission parts and reduces the number of parts. The rolling plate 9 is connected to the housing through a slideway. The design of the slideway enables the rolling plate to stably move along a predetermined track during the movement, and reduces friction and wear during the movement.

[0031] The clearance adjustment structure comprises a centering clearance adjustment block 5 which is threadedly connected to the inner cavity of the cylinder head 3 through a thread groove 8 .

[0032] A pointed cone section 6 is provided at the end of the centering and gap adjusting block 5 , and a connecting groove 7 adapted to the pointed cone section 6 is provided at the end of the main shaft 4 .

[0033] The surface of the pointed cone section 6 is coated with a wear-resistant coating.

[0034] A measuring reference surface is provided on the surface of the centering and adjusting block 5 located on the outer side of the cylinder head 3. An external measuring tool, such as a dial indicator, is used to measure the play clearance through the measuring reference surface on the centering and adjusting block 5. According to the measurement result, the position of the centering and adjusting block 5 on the main shaft 4 is adjusted by tightening or loosening the long bolt 19, thereby adjusting the play clearance.

[0035] A hexagonal threaded groove is provided at the end of the centering and adjusting block 5, and the centering and adjusting block 5 can be rotated by an hexagonal wrench to adjust its depth in the inner cavity of the cylinder head 3 and the contact distance with the main shaft 4. The centering and adjusting block 5 is designed with a special structure. When the long bolt 19 is tightened, the centering and adjusting block 5 can fit tightly with the main shaft 4. By measuring the tightening degree of the long bolt 19 and the relative position of the centering and adjusting block 5 and the main shaft 4, the shaft clearance can be measured conveniently and accurately. During the installation process, the worker can quickly adjust the position of the shaft according to the measurement results to ensure that the shaft clearance is in the optimal state, thereby improving the efficiency and correctness of the installation.

[0036] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Although the present invention has been disclosed as a preferred embodiment as above, it is not used to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A swash plate type compressor and a sway clearance adjustment structure, comprising a cylinder body (1) and a cylinder head (3) connected to the side of the cylinder body (1) by long bolts (19), characterized in that: It also includes a plurality of cylinder bodies evenly arranged around the axis of the cylinder body (1); The cylinder body is provided with a piston (10) capable of reciprocating motion; It also includes a main shaft (4) rotatably arranged in the inner cavity of the cylinder body (1) through a bearing; It also includes a swash plate (2) connected to the tail of the main shaft (4) through a motion mechanism, the right side of which is inclined relative to the axis of the main shaft (4), the bottom of the swash plate (2) is rotatably connected to a rolling plate (9) arranged in the inner cavity of the cylinder body (1), one end of the piston (10) is fixedly connected to a connecting piece (20), both sides of the rolling plate (9) are fixedly connected to ball heads (21) connected in the middle through a connecting rod passing through the rolling plate (9), and the upper and lower parts of the connecting piece (20) are respectively provided with ball sockets rotatably connected to the ball heads (21), and the main shaft (4) passes through the swash plate (2) and the rolling plate (9) in sequence; The motion mechanism comprises a slot (17) provided in the inner cavity of the swash plate (2); the main shaft (4) is provided with a rectangular section (15) at the slot (17); the inner cavity of the rectangular section (15) is provided with a first slideway (11) and a second slideway (14); the inner cavity of the swash plate (2) is respectively fixedly connected with a first slide bar (12) passing through the first slideway (11) and a second slide bar (13) passing through the second slideway (14); the first slideway (11) is vertically arranged in the inner cavity of the main shaft (4); the second slideway (14) is symmetrically inclined in the inner cavity of the main shaft (4) and the inclined surface of the swash plate (2) relative to the vertical direction of the main shaft (4); The clearance adjustment structure comprises a centering clearance adjustment block (5) which is threadedly connected to the inner cavity of the cylinder cover (3) via a thread groove (8).

2. A swash plate type compressor and a sway clearance adjustment structure according to claim 1, characterized in that: The end of the centering and gap-adjusting block (5) is provided with a pointed cone section (6), and the end of the main shaft (4) is provided with a connecting groove (7) adapted to the pointed cone section (6).

3. A swash plate type compressor and a sway clearance adjustment structure according to claim 2, characterized in that: The surface of the pointed cone section (6) is coated with a wear-resistant coating.

4. The swash plate type compressor and the movement clearance adjustment structure according to claim 1, characterized in that: The surface of the centering and gap adjusting block (5) located outside the cylinder head (3) is provided with a measuring reference surface.

5. The swash plate type compressor and the moving clearance adjustment structure according to claim 1, characterized in that: The end of the centering and gap adjusting block (5) is provided with a hexagonal thread groove.

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