Compressor

Abstract

The utility model relates to the technical field of compressors, in particular to a compressor. The compressor comprises a first shell, a second shell, a partition plate, a driving part, a crankshaft and a pump body assembly, the opposite end faces of the first shell and the second shell abut against each other and fixedly define a cavity, the partition plate is selectively fixed to the end, in the cavity, of the first shell or the end, in the cavity, of the second shell, and the partition plate is located between the first shell and the second shell and divides the cavity; the driving part is arranged in the first shell, the pump body assembly is arranged in the second shell, one end of the crankshaft penetrates through the partition plate to be in transmission connection with the driving part, the other end of the crankshaft is connected with the pump body assembly, the crankshaft is rotationally connected with the partition plate, and the driving part can drive the crankshaft to drive the pump body assembly to rotate. According to the compressor, the partition plate is fixed to the first shell or the second shell, the cavity defined by the first shell and the second shell can be partitioned, the number of shell parts can be reduced, the assembly procedure is simplified, and the assembly efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of compressor technology, and in particular to a compressor. Background Technology

[0002] The existing compressors with high and low back pressure have a high-pressure chamber and a low-pressure chamber separated by a partition plate. The partition plate has an assembly through hole and a seal is designed at the assembly through hole. The crankshaft passes through the through hole. The housing is divided into a high-pressure chamber housing, an intermediate plate housing and a low-pressure chamber housing, which is a three-section housing. The housing has many parts, the assembly process is complicated, and the assembly efficiency is reduced.

[0003] Therefore, there is an urgent need for a compressor to solve the above-mentioned technical problems. Utility Model Content

[0004] The purpose of this invention is to provide a compressor that can reduce the number of housing parts and simplify the assembly process.

[0005] To achieve this objective, the present invention adopts the following technical solution:

[0006] A compressor includes: a first housing, a second housing, a partition, a drive member, a crankshaft, and a pump assembly. The opposing end faces of the first housing and the second housing abut against each other and are fixedly arranged to form a cavity. The partition is selectively fixed to an end of the first housing or an end of the second housing within the cavity, and the partition is located between the first housing and the second housing, separating the cavity. The drive member is disposed within the first housing, and the pump assembly is disposed within the second housing. One end of the crankshaft passes through the partition and is drively connected to the drive member, and the other end of the crankshaft is connected to the pump assembly. The crankshaft is rotatably connected to the partition, and the drive member is capable of driving the crankshaft to rotate the pump assembly.

[0007] As a preferred technical solution for the above-mentioned compressor, the partition is integrally formed with the first housing.

[0008] As a preferred embodiment of the compressor described above, the compressor further includes a first housing cover, the partition is disposed at one end of the first housing near the second housing, the other end of the first housing is provided with a first opening, the first housing cover is disposed at the other end of the first housing, and the first housing cover is used to seal the first opening.

[0009] As a preferred technical solution for the above-mentioned compressor, the partition plate is integrally formed with the second housing.

[0010] As a preferred embodiment of the compressor described above, the compressor further includes a second housing cover, the partition is disposed at one end of the second housing near the first housing, the other end of the second housing is provided with a second opening, the second housing cover is disposed at the other end of the second housing, and the second housing cover is used to seal the second opening.

[0011] As a preferred technical solution for the above-mentioned compressor, the first housing is provided with an air intake port and the second housing is provided with an exhaust port.

[0012] As a preferred embodiment of the compressor described above, the end of the first housing facing the second housing extends toward the outer periphery of the cavity to form a first skirt, and the end of the second housing facing the first housing extends toward the outer periphery of the cavity to form a second skirt, wherein the first skirt and the second skirt abut and seal.

[0013] As a preferred embodiment of the compressor described above, the compressor further includes a fastener, one end of which passes through the second housing and is connected to the first housing.

[0014] As a preferred technical solution of the above-mentioned compressor, the compressor further includes a cylinder head, the partition is provided with a through hole, the cylinder head includes a main body and a neck, one end of the neck is inserted into the through hole, the other end of the neck is connected to the main body, the main body abuts against the partition, the crankshaft passes through the cylinder head, and the two ends of the crankshaft are respectively located in the first housing and the second housing.

[0015] As a preferred embodiment of the compressor described above, the compressor further includes a seal disposed between the wall of the through hole and the cylinder head.

[0016] The beneficial effects of this utility model are:

[0017] This invention provides a compressor. The compressor includes: a first housing, a second housing, a partition, a drive component, a crankshaft, and a pump assembly. The opposing end faces of the first and second housings abut and are fixedly arranged to form a cavity. The partition is selectively fixed to either the end of the first housing or the end of the second housing within the cavity, and is located between the first and second housings, separating the cavity. The drive component is disposed within the first housing, and the pump assembly is disposed within the second housing. One end of the crankshaft passes through the partition and is connected to the drive component for transmission, while the other end of the crankshaft is connected to the pump assembly. The crankshaft is rotatably connected to the partition, and the drive component can drive the crankshaft to rotate the pump assembly. This compressor, by fixing the partition to either the first or second housing, can separate the cavity formed by the first and second housings, and can reduce the number of housing parts, simplify the assembly process, and improve assembly efficiency. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments of this utility model will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the content of the embodiments of this utility model and these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the compressor provided in Embodiment 1 of the present utility model;

[0020] Figure 2 This is a schematic diagram of the structure of the first housing provided in Embodiment 1 of this utility model;

[0021] Figure 3 This is a schematic diagram of the compressor provided in Embodiment 2 of the present invention;

[0022] Figure 4 This is a schematic diagram of the structure of the second housing provided in Embodiment 2 of this utility model.

[0023] In the picture:

[0024] 1. First housing; 11. First opening; 12. Intake port; 2. Second housing; 21. Second opening; 22. Exhaust port; 3. Partition; 31. Through hole; 32. Intake port; 4. Drive component; 5. Crankshaft; 6. Pump body assembly; 7. Fastener; 8. Cylinder head; 9. Seal; 10. Locking component. Detailed Implementation

[0025] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, the accompanying drawings show only the parts relevant to the present invention, not the entire structure.

[0026] In the description of this utility model, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0027] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0028] In the description of this embodiment, the terms "upper," "lower," "left," and "right," etc., refer to the orientation or positional relationship shown in the accompanying drawings. They are used only for ease of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are only used for distinction in description and have no special meaning.

[0029] like Figures 1 to 4 As shown, this utility model provides a compressor. The compressor includes: a first housing 1, a second housing 2, a partition 3, a drive component 4, a crankshaft 5, and a pump assembly 6. The opposing end faces of the first housing 1 and the second housing 2 abut and are fixedly arranged to form a cavity. The partition 3 is selectively fixed to the end of the first housing 1 or the end of the second housing 2 within the cavity, and the partition 3 is located between the first housing 1 and the second housing 2, separating the cavity. The drive component 4 is disposed within the first housing 1, and the pump assembly 6 is disposed within the second housing 2. One end of the crankshaft 5 passes through the partition 3 and is connected to the drive component 4 for transmission, and the other end of the crankshaft 5 is connected to the pump assembly 6. The crankshaft 5 is rotatably connected to the partition 3, and the drive component 4 can drive the crankshaft 5 to rotate the pump assembly 6. This compressor, by fixing the partition 3 to the first housing 1 or the second housing 2, can separate the cavity formed by the first housing 1 and the second housing 2, and can reduce the number of housing parts, simplify the assembly process, and improve assembly efficiency. Furthermore, the first housing 1 is a low-pressure housing used to store low-pressure gas, the second housing 2 is a high-pressure housing used to store high-pressure gas, and the driving component 4 is a motor.

[0030] Optionally, the partition 3 is integrally formed with the first housing 1, which can improve the stability of the partition 3 and reduce the number of housing parts. Specifically, the partition 3 is integrally extended inward on the inner circumferential surface of the first housing 1 near the second housing 2. The partition 3 and the first housing 1 are an integral structure, and the opposite end faces of the first housing 1 and the second housing 2 can abut against each other to ensure the sealing of the cavity.

[0031] Furthermore, the compressor also includes a first housing cover, a partition 3 is disposed at one end of the first housing 1 near the second housing 2, and a first opening 11 is provided at the other end of the first housing 1, which allows the drive unit 4 to be placed inside the first housing 1. The first housing cover is disposed at the other end of the first housing 1 and is used to seal the first opening 11.

[0032] Optionally, the partition 3 is integrally formed with the second housing 2, which can improve the stability of the partition 3 and reduce the number of housing parts. Specifically, the partition 3 is integrally extended inward on the inner circumferential surface of the second housing 2 near the first housing 1, and the partition 3 and the second housing 2 are an integral structure.

[0033] Furthermore, the compressor also includes a second housing cover, a partition 3 is disposed at one end of the second housing 2 near the first housing 1, and a second opening 21 is provided at the other end of the second housing 2, which allows the pump body assembly 6 to be placed into the first housing 1. The second housing cover is disposed at the other end of the second housing 2 and is used to seal the second opening 21.

[0034] Optionally, the first housing 1 is provided with an air intake 12, which can absorb low-pressure gas, and the second housing 2 is provided with an exhaust port 22, which can discharge high-pressure gas. The partition 3 is provided with an air intake hole 32, the two ends of which are connected to the first housing 1 and the second housing 2 respectively, which can draw the gas in the first housing 1 into the second housing 2, pressurize it through the pump assembly 6, and discharge it through the exhaust port 22.

[0035] Optionally, the end of the first housing 1 facing the second housing 2 extends outward to form a first skirt, and the end of the second housing 2 facing the first housing 1 extends outward to form a second skirt. The first skirt and the second skirt abut and seal, increasing the connection area between the first housing 1 and the second housing 2 and improving the sealing performance at the connection. Furthermore, the compressor also includes a seal disposed between the first skirt and the second skirt.

[0036] Optionally, the compressor also includes a fastener 7, one end of which passes through the second housing 2 and connects to the first housing 1. Specifically, the first housing 1 and the second housing 2 are fixedly connected by the fastener 7 after their opposing end faces abut against each other, which enables the first housing 1 and the second housing 2 to be securely connected.

[0037] Furthermore, the fastener 7 is a bolt, one end of which passes through the second housing 2 and is threaded to the first housing 1, facilitating the installation and disassembly of the first housing 1 and the second housing 2, thereby facilitating the assembly and disassembly of the compressor and improving assembly efficiency.

[0038] Optionally, the compressor also includes a cylinder head 8, a partition 3 having a through hole 31, the cylinder head 8 including a main body and a neck, one end of the neck being inserted into the through hole 31, the other end of the neck being connected to the main body, the main body abutting against the partition 3, the main body being fixedly connected to the partition 3, and a crankshaft 5 passing through the cylinder head 8, with both ends of the crankshaft 5 located in the first housing 1 and the second housing 2, respectively. Specifically, the crankshaft 5 is rotatably connected to the neck, the main body is disposed in the second housing 2, the main body abutting against the partition 3, one end of the neck being able to pass through the through hole 31 and extend into the first housing 1, and the crankshaft 5 being sleeved on the inner circumference of the neck, enabling the crankshaft 5 to rotate along the inner circumference of the neck and preventing the crankshaft 5 from shifting.

[0039] Furthermore, to ensure a stable connection between the cylinder head 8 and the partition 3, the compressor also includes a locking element 10. One end of the locking element 10 passes through the partition 3 and connects to the main body, thereby improving the stability of the cylinder head 8 and consequently the stability of the crankshaft 5. Specifically, the locking element 10 is a bolt, one end of which passes through the partition 3 and is threadedly connected to the main body, facilitating the installation and removal of the cylinder head 8 and the partition 3.

[0040] Optionally, the compressor also includes a seal 9, which is disposed between the wall of the through hole 31 and the cylinder head 8. Specifically, the seal 9 is disposed between the wall of the through hole 31 and the outer wall of the neck, which can improve the sealing between the main body and the cylinder head 8 and prevent gas from leaking from the gap between the wall of the through hole 31 and the outer wall of the neck.

[0041] Furthermore, in this embodiment, the wall of the through hole 31 is provided with a groove, and the seal 9 is disposed in the groove, which can improve the stability of the seal 9 and prevent the seal 9 from moving and affecting the sealing performance. Of course, in some other embodiments, the outer wall of the neck is provided with a groove, and the seal 9 is disposed in the groove.

[0042] Furthermore, the above description is merely a preferred embodiment of the present invention and the technical principles employed. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described herein, and various obvious changes, readjustments, and substitutions can be made without departing from the scope of protection of the present invention. Therefore, although the present invention has been described in detail through the above embodiments, the present invention is not limited to the above embodiments, and may include many other equivalent embodiments without departing from the concept of the present invention, the scope of which is determined by the scope of the appended claims.

Claims

1. Compressor, characterized in that, The compressor comprises a first shell (1), a second shell (2), a partition plate (3), a driving member (4), a crankshaft (5) and a pump body assembly (6), the first shell (1) and the second shell (2) abut and are fixed to form a cavity, the partition plate (3) is selectively fixed to the end of the first shell (1) or the end of the second shell (2) in the cavity, and the partition plate (3) is located between the first shell (1) and the second shell (2) and separates the cavity, the driving member (4) is arranged in the first shell (1), the pump body assembly (6) is arranged in the second shell (2), one end of the crankshaft (5) is in transmission connection with the driving member (4) through the partition plate (3), the other end of the crankshaft (5) is connected with the pump body assembly (6), the crankshaft (5) is in rotation connection with the partition plate (3), and the driving member (4) can drive the crankshaft (5) to drive the pump body assembly (6) to rotate. The partition plate (3) is integrally formed with the first shell (1).

2. The compressor of claim 1, wherein, The compressor further comprises a first shell cover, the partition plate (3) is arranged at one end of the first shell (1) close to the second shell (2), the other end of the first shell (1) is provided with a first opening (11), the first shell cover is arranged at the other end of the first shell (1), and the first shell cover is used for plugging the first opening (11).

3. The compressor of claim 2, wherein, The partition plate (3) is integrally formed with the second shell (2).

4. The compressor of claim 1, wherein, The compressor further comprises a second shell cover, the partition plate (3) is arranged at one end of the second shell (2) close to the first shell (1), the other end of the second shell (2) is provided with a second opening (21), the second shell cover is arranged at the other end of the second shell (2), and the second shell cover is used for plugging the second opening (21).

5. The compressor of claim 4, wherein, The first shell (1) is provided with an air inlet (12), and the second shell (2) is provided with an air outlet (22).

6. The compressor of any one of claims 1-5, wherein, An end of the first shell (1) facing the second shell (2) extends to the outside of the cavity to form a first skirt, an end of the second shell (2) facing the first shell (1) extends to the outside of the cavity to form a second skirt, and the first skirt and the second skirt abut and are sealed.

7. The compressor of any one of claims 1-5, wherein, The compressor further comprises a fastener (7), one end of the fastener (7) is connected with the first shell (1) through the second shell (2).

8. The compressor of claim 7, wherein, The compressor further comprises a cylinder cover (8), the partition plate (3) is provided with a through hole (31), the cylinder cover (8) comprises a main body portion and a neck portion, one end of the neck portion is inserted into the through hole (31), the other end of the neck portion is connected with the main body portion, the main body portion abuts against the partition plate (3), the crankshaft (5) penetrates through the cylinder cover (8), and both ends of the crankshaft (5) are located in the first shell (1) and the second shell (2) respectively.

9. The compressor of any one of claims 1-5, wherein, The compressor further comprises a sealing member (9), which is arranged between the hole wall of the through hole (31) and the cylinder cover (8).

10. The compressor of claim 9, wherein, ​

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