Extrusion type air leakage prevention structure of vehicle-mounted electric compressor assembly

Abstract

The utility model relates to the technical field of vehicle-mounted electric compressors, and discloses an extrusion type air leakage prevention structure of a vehicle-mounted electric compressor component, which comprises a machine body, a crankcase and a connecting pipe, the crankcase is arranged in the machine body, a crankshaft is arranged in the crankcase, a connecting rod is mounted on the outer side of the crankshaft, and the connecting pipe is connected with the connecting rod. A connecting shaft is installed above the connecting rod, a piston is installed above the connecting shaft, a cylinder is installed above the piston, a connecting pipe is installed above the cylinder, air inlet and outlet pipes are installed on the two sides of the connecting pipe, and connecting structures are installed on the outer sides of the air inlet and outlet pipes and the inner side of the cylinder. Rubber diaphragms are installed on the two sides of the interior of the connecting pipe. The sealing performance of the device is greatly improved, it is ensured that gas does not leak in the in-out process, and the working efficiency of the device is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility relates to the technical field of vehicle-mounted electric compressors, in particular to an extrusion type air leakage prevention structure of a vehicle-mounted electric compressor assembly. BACKGROUND

[0002] With the rapid development of the economy of various regions and the progress of science and technology, compressors are widely used and have various types, and the compressor is a driven fluid machine for lifting low-pressure gas into high-pressure gas, and is the heart of a refrigeration system, which sucks in low-temperature and low-pressure refrigerant gas from the suction pipe, and discharges high-temperature and high-pressure refrigerant gas to the exhaust pipe after being compressed by the motor, thereby providing power for the refrigeration cycle.

[0003] After searching, the Chinese patent authorization announcement No. CN 209195662 U, the announcement date is August 2, 2019, discloses a kind of air leakage prevention compressor with pressure detection function, wherein "machine body and rubber diaphragm, the inner side of the machine body is equipped with crankcase, and the inner side middle part of crankcase is provided with crankshaft, the top of crankshaft is movably connected with connecting rod," the phenomenon of poor sealing exists between inlet and inlet baffle, outlet baffle and outlet during the working process of device, greatly influence the working efficiency of device, in view of this, in view of the above problems, in-depth research, and then the present case is generated. CONTENT OF THE UTILITY MODEL

[0004] The utility aims to provide an extrusion type air leakage prevention structure of a vehicle-mounted electric compressor assembly to solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the utility provides the following technical scheme: an extrusion type air leakage prevention structure of a vehicle-mounted electric compressor assembly, comprising a machine body, a crankcase and a connecting pipe, the inside of the machine body is provided with a crankcase, the inside of the crankcase is provided with a crankshaft, the outside of the crankshaft is provided with a connecting rod, the upper part of the connecting rod is provided with a connecting shaft, the upper part of the connecting shaft is provided with a piston, the upper part of the piston is provided with a cylinder, the upper part of the cylinder is provided with a connecting pipe, the two sides of the connecting pipe are provided with inlet and outlet pipes, the outside of the inlet and outlet pipes and the inside of the cylinder are both provided with connecting structures, and the two sides inside the connecting pipe are provided with rubber diaphragms.

[0006] The connecting structure comprises a fixed column, a connecting column and a bearing, the middle position of the inner side of the cylinder is provided with the fixed column, the upper and lower sides of the fixed column are provided with the connecting column, the outer wall of the connecting column is connected with the inner side of the cylinder through the bearing, the left and right sides of the fixed column are provided with the baffle, the outer wall of the baffle is provided with the first sealing gasket on both sides, the first sealing gasket and the baffle are arranged on the inner side of the groove, the groove is arranged in the inner side of the cylinder, the upper two sides of the groove are provided with the air inlet and outlet, the air inlet and outlet are arranged on the inner side of the cylinder, the outer wall of the groove is provided with the second sealing gasket on both sides, the second sealing gasket is arranged on the inner side of the cylinder, the outer wall of the air inlet and outlet pipe is provided with the threaded block, the left side of the threaded block is provided with the connecting block, and the inner side of the connecting block is provided with the filter screen.

[0007] Preferably, the left side of the air inlet and outlet pipe is communicated with the left side of the connecting pipe, and the left side of the connecting pipe is communicated with the left side of the air inlet and outlet.

[0008] Preferably, the right side of the air inlet and outlet pipe is communicated with the right side of the connecting pipe, and the right side of the connecting pipe is communicated with the right side of the air inlet and outlet.

[0009] Preferably, the fixed column and the connecting column are fixedly connected, and the connecting column and the bearing are rotatably connected.

[0010] Preferably, the outer wall of the bearing and the cylinder are fixedly connected, and the fixed column and the baffle are fixedly connected.

[0011] Preferably, the baffle and the first sealing gasket are tightly fitted, and the baffle and the groove are correspondingly arranged.

[0012] Preferably, the inner wall of the cylinder and the second sealing gasket are tightly fitted.

[0013] Preferably, the second sealing gasket is correspondingly arranged between the first sealing gasket and the baffle, and the cylinder is integrally arranged between the groove and the air inlet and outlet.

[0014] Preferably, the air inlet and outlet pipe and the threaded block are threadedly connected, and the threaded block and the connecting block are integrally arranged.

[0015] Preferably, the outer wall of the filter screen is tightly fitted between the inner wall of the connecting block and the outer wall of the air inlet and outlet pipe.

[0016] Compared with the prior art, the utility model has the advantages of:

[0017] By setting the fixed column, connecting column and bearing, the compressor sucks in low-temperature and low-pressure refrigerant gas through the left side inlet and outlet pipe, the motor drives the crankshaft to rotate, the crankshaft drives the piston to make reciprocating motion in the cylinder through the connecting rod, the up and down movement of the piston compresses the sucked gas to make its pressure rise, the compressed high-temperature and high-pressure gas is discharged through the right side inside the connecting pipe and the right side inlet and outlet pipe, enters the next link of the refrigeration system, when the device is in high-speed operation state, the baffle drives the connecting column connected with the fixed column to rotate in the bearing, and the closing and opening are alternately operated, so that the gas enters through the left side inlet and outlet port and is discharged through the right side inlet and outlet port, and in the process of operation, the sealing property of the device is greatly increased through the action of the first sealing gasket and the second sealing gasket, so that the gas does not leak in the process of entering and exiting, and the working efficiency of the device is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiment description will be briefly introduced as follows. Obviously, the drawings in the following description are some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, each element or part is not necessarily drawn according to the actual proportion.

[0019] Figure 1 It is a front view of the sectional structure of the present application.

[0020] Figure 2 It is a front view of the sectional structure of the present application.

[0021] Figure 3 It is a front view of the sectional structure of the present application.

[0022] Figure 4 It is a front view of the sectional structure of the present application.

[0023] In the drawings: 1, machine body; 2, crankcase; 5, connecting pipe; 6, inlet and outlet pipe; 7, cylinder; 8, connecting structure; 9, piston; 10, connecting shaft; 11, connecting rod; 12, crankshaft; 13, rubber diaphragm; 801, fixed column; 802, connecting column; 803, bearing; 804, baffle; 805, first sealing gasket; 806, groove; 807, inlet and outlet port; 808, second sealing gasket; 809, threaded block; 810, connecting block; 811, filter screen. DETAILED DESCRIPTION

[0024] In the description of the utility model, it needs to explain, the term "upper", "lower", "internal", "external" "front end", "rear end", "both ends", "one end", "the other end" and so on indicate the position relation or position relation based on the position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the indicated device or element must have a particular orientation, a particular orientation and operation, therefore, it cannot be understood as the limitation of the utility model. In addition, the term "first", "second" is only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0025] In the description of the utility model, it needs to explain, unless otherwise specified and limited, the term "installation", "provided with", "connection" and so on, should be understood broadly, for example, "connection", can be fixed connection, can also be detachable connection, or integrally connected, can be mechanical connection, can also be electrical connection, can be directly connected, can also be indirectly connected through intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.

[0026] The technical scheme in the utility embodiment will be described clearly and completely in the following combined with the drawings in the utility embodiment, obviously, the described embodiments are only part of the embodiments of the utility, not all the embodiments. Based on the embodiments in the utility, all other embodiments obtained by ordinary skilled in the art without creative labor belong to the scope of protection of the utility.

[0027] Please refer to Figures 1-4 The utility provides a kind of extrusion type air leakage prevention structure of vehicle-mounted electric compressor assembly technical scheme: a kind of extrusion type air leakage prevention structure of vehicle-mounted electric compressor assembly, including body 1, crankcase 2 and connecting pipe 5, the inside of body 1 is equipped with crankcase 2, the inside of crankcase 2 is equipped with crankshaft 12, connecting rod 11 is installed on the outside of crankshaft 12, connecting shaft 10 is installed above connecting rod 11, piston 9 is installed above connecting shaft 10, cylinder 7 is installed above piston 9, connecting pipe 5 is installed above cylinder 7, inlet and outlet pipe 6 is installed on the both sides of connecting pipe 5, connecting structure 8 is installed on the outside of inlet and outlet pipe 6 and the inside of cylinder 7, rubber diaphragm 13 is installed on the both sides in connecting pipe 5 inside;

[0028] The connecting structure 8 comprises a fixed column 801, a connecting column 802 and a bearing 803, the middle position of the inner side of the cylinder 7 is provided with the fixed column 801, the upper and lower sides of the fixed column 801 are provided with the connecting column 802, the outer wall of the connecting column 802 is connected with the inner side of the cylinder 7 through the bearing 803, the left and right sides of the fixed column 801 are provided with the baffle 804, the outer wall of the baffle 804 is provided with the first sealing gasket 805, the first sealing gasket 805 and the baffle 804 are arranged on the inner side of the groove 806, the groove 806 is arranged in the cylinder 7, the upper two sides of the groove 806 are provided with the inlet and outlet air ports 807, the inlet and outlet air ports 807 are arranged on the inner side of the cylinder 7, the outer wall of the groove 806 is provided with the second sealing gasket 808, the second sealing gasket 808 is arranged on the inner side of the cylinder 7, the outer wall of the inlet and outlet air pipe 6 is provided with the threaded block 809, the left side of the threaded block 809 is provided with the connecting block 810, and the inner side of the connecting block 810 is provided with the filter screen 811.

[0029] In use, the compressor inhales low-temperature and low-pressure refrigerant gas through the left inlet and outlet air pipe 6, the motor drives the crankshaft 12 to rotate, the crankshaft 12 drives the piston 9 to make reciprocating motion in the cylinder 7 through the connecting rod 11, the up-and-down motion of the piston 9 compresses the inhaled gas to increase the pressure, the high-temperature and high-pressure gas after compression is discharged through the right side of the connecting pipe 5 and the right inlet and outlet air pipe 6, and enters the next link of the refrigeration system, when the device is in a high-speed running state, the baffle 804 drives the connecting column 802 connected with the fixed column 801 to rotate in the bearing 803, and the closing and opening are alternately operated, so that the gas enters through the left inlet and outlet air port 807 and is discharged through the right inlet and outlet air port 807, and in the process of running, the sealing performance of the device is greatly improved through the first sealing gasket 805 and the second sealing gasket 808, so that the gas does not leak in the process of entering and exiting, and the working efficiency of the device is greatly improved.

[0030] The left inlet and outlet air pipe 6 is communicated with the left side in the connecting pipe 5, and the left side in the connecting pipe 5 is communicated with the left inlet and outlet air port 807.

[0031] The right inlet and outlet air pipe 6 is communicated with the right side in the connecting pipe 5, and the right side in the connecting pipe 5 is communicated with the right inlet and outlet air port 807.

[0032] The fixed column 801 and the connecting column 802 are fixedly connected, and the connecting column 802 and the bearing 803 are rotatably connected, so as to ensure the stability of the piston 9.

[0033] The outer wall of the bearing 803 and the cylinder 7 are fixedly connected, and the fixed column 801 and the baffle 804 are fixedly connected.

[0034] The baffle 804 is closely fitted between the first sealing gasket 805, and the baffle 804 is correspondingly arranged with the groove 806, so as to prevent gas from leaking from the gap between the piston 9 and the cylinder 7 during compression.

[0035] The inner wall of the cylinder 7 is closely fitted between the second sealing gasket 808.

[0036] The second sealing gasket 808 is correspondingly arranged between the first sealing gasket 805 and the baffle 804, and the cylinder 7 is integrally arranged between the groove 806 and the gas inlet and outlet 807.

[0037] The gas inlet and outlet pipe 6 is threadedly connected with the threaded block 809, and the threaded block 809 is integrally arranged with the connecting block 810.

[0038] The outer wall of the filter screen 811 is closely fitted between the inner wall of the connecting block 810 and the outer wall of the gas inlet and outlet pipe 6, so as to protect the internal components of the compressor from being contaminated.

[0039] Firstly, the user places the filter screen 811 inside the threaded block 809 from the right side of the threaded block 809, and then holds the connecting block 810 to drive the right side of the threaded block 809 to be aligned with the gas inlet and outlet pipe 6, and then holds the connecting block 810 to rotate and drive the threaded block 809 to be threadedly fixed on the outer wall of the gas inlet and outlet pipe 6, so as to filter impurities in the gas and protect the internal components of the compressor from being contaminated.

[0040] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An extrusion type air leakage prevention structure of a vehicular electric compressor assembly including a cylinder block (1), a crankcase (2) and a connecting pipe (5), characterized in that: The inside of the machine body (1) is provided with a crankcase (2), the inside of the crankcase (2) is provided with a crankshaft (12), the outer side of the crankshaft (12) is provided with a connecting rod (11), the upper side of the connecting rod (11) is provided with a connecting shaft (10), the upper side of the connecting shaft (10) is provided with a piston (9), the upper side of the piston (9) is provided with a cylinder (7), the upper side of the cylinder (7) is provided with a connecting pipe (5), both sides of the connecting pipe (5) are provided with an inlet and outlet pipe (6), the outer side of the inlet and outlet pipe (6) and the inner side of the cylinder (7) are both provided with a connecting structure (8), both sides inside the connecting pipe (5) are provided with a rubber diaphragm (13). The connecting structure (8) comprises a fixed column (801), a connecting column (802) and a bearing (803), the middle position of the inner side of the cylinder (7) is provided with a fixed column (801), the upper and lower sides of the fixed column (801) are provided with a connecting column (802), the outer wall of the connecting column (802) is connected with the inner side of the cylinder (7) through a bearing (803), the left and right sides of the fixed column (801) are provided with a baffle (804), the outer wall of the baffle (804) is provided with a first sealing gasket (805) on both sides, the first sealing gasket (805) and the baffle (804) are both arranged on the inner side of a groove (806), the groove (806) is arranged in the inside of the cylinder (7), both sides above the groove (806) are provided with an inlet and outlet port (807), the inlet and outlet port (807) is arranged on the inner side of the cylinder (7), both sides of the outer wall of the groove (806) are provided with a second sealing gasket (808), the second sealing gasket (808) is arranged on the inner side of the cylinder (7), the outer wall of the inlet and outlet pipe (6) is provided with a threaded block (809), the left side of the threaded block (809) is provided with a connecting block (810), the inside of the connecting block (810) is provided with a filter screen (811).

2. The extruded air leakage prevention structure of a vehicular electric compressor assembly according to claim 1, characterized by: The left side of the inlet and outlet pipe (6) is communicated with the left side inside the connecting pipe (5), and the left side inside the connecting pipe (5) is communicated with the left side inlet and outlet port (807).

3. The extruded anti-leak structure of a vehicular electric compressor assembly according to claim 2, wherein: The right side of the inlet and outlet pipe (6) is communicated with the right side inside the connecting pipe (5), and the right side inside the connecting pipe (5) is communicated with the right side inlet and outlet port (807).

4. The extruded anti-leak structure of a vehicular electric compressor assembly according to claim 3, wherein: The fixed column (801) and the connecting column (802) are fixedly connected, and the connecting column (802) and the bearing (803) are rotatably connected.

5. The extruded anti-leakage structure of a vehicular electric compressor assembly according to claim 4, wherein: The outer wall of the bearing (803) and the cylinder (7) are fixedly connected, and the fixed column (801) and the baffle (804) are fixedly connected.

6. The extruded anti-leakage structure of a vehicular electric compressor assembly according to claim 5, wherein: The baffle (804) and the first sealing gasket (805) are tightly fitted, and the baffle (804) and the groove (806) are correspondingly arranged.

7. The extruded anti-leakage structure of a vehicular electric compressor assembly according to claim 6, characterized in that: The inner wall of the cylinder (7) and the second sealing gasket (808) are tightly fitted.

8. The extruded anti-leakage structure of a vehicular electric compressor assembly according to claim 7, characterized in that: The second sealing gasket (808) is correspondingly arranged between the first sealing gasket (805) and the baffle (804), and the cylinder (7) is integrally arranged between the groove (806) and the air inlet / outlet (807).

9. The extruded anti-leakage structure of a vehicular electric compressor assembly according to claim 8, wherein: The air inlet / outlet pipe (6) is threadedly connected with the threaded block (809), and the threaded block (809) is integrally arranged with the connecting block (810).

10. The extruded anti-leakage structure of a vehicular electric compressor assembly according to claim 9, wherein: The outer wall of the filter screen (811) is tightly arranged between the inner wall of the connecting block (810) and the outer wall of the air inlet / outlet pipe (6).

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