CN216407080U - Straight reciprocating air compressor - Google Patents
Straight reciprocating air compressor Download PDFInfo
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- CN216407080U CN216407080U CN202122905537.0U CN202122905537U CN216407080U CN 216407080 U CN216407080 U CN 216407080U CN 202122905537 U CN202122905537 U CN 202122905537U CN 216407080 U CN216407080 U CN 216407080U
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Abstract
The utility model discloses a straight-line reciprocating air compressor, which comprises a tank body and an air compression device arranged on the tank body, wherein the air compression device comprises a shell, a motor arranged in the shell and a piston rod which is connected with a rotating shaft of the motor and can reciprocate in the tank body, the free end of the piston rod is hinged with a piston, an air inlet hole is arranged on the piston, a forward air gate valve resistor is arranged on the air inlet hole, an air outlet hole is arranged on the tank body, a reverse air gate valve resistor is arranged on the air outlet hole, and the air inlet direction of the air inlet hole always faces to the direction of the air outlet hole. The utility model avoids the obstruction of the air flow direction when the piston moves upwards to compress the air, thereby improving the working efficiency, improving the air compression ratio and reducing the energy consumption; the air inlet channel A and the air inlet channel B enable heat generated by the motor and the cylinder body during working to be discharged in time; be equipped with soundproof cotton on the curb plate to and have the wind chamber on the curb plate, the wind chamber is when providing the water conservancy diversion function, has also further improved syllable-dividing effect.
Description
Technical Field
The utility model belongs to the technical field of air compressors, and particularly relates to a straight-line reciprocating type air compressor.
Background
The air compressor is a core device in a pneumatic system, has the functions of mainly providing air source power, has the same working principle, and drives a crankshaft to rotate through a motor so as to drive a piston to reciprocate up and down in a cylinder body, external air enters the cylinder body through a one-way valve, then the piston compresses the air in the cylinder body, and the compressed air enters a tank storage body through another one-way valve. In the process, air enters the cylinder body from the air inlet and is discharged from the air outlet, air compression is realized by breathing one by one, the flowing direction of the air is consistent with the moving direction of the piston in the process of entering the cylinder body, and the piston is required to resist the impulsive force of the air entering from the air inlet when compressing the air, so that the efficiency of the air compressor is reduced, the integral compression ratio is lower, and the energy consumption is better.
In addition, the existing air compressors on the market have high noise during working and poor heat dissipation performance, and the reason for the poor heat dissipation performance is that the existing air compressors are not reasonably improved aiming at the defect, and the air compressors with the noise reduction and heat dissipation functions need to be additionally provided with noise reduction and heat dissipation devices, so that the overall structure is complex, and the energy consumption is high.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a straight-line reciprocating air compressor, which can realize the consistency of air inlet and air outlet flows, improve the compression ratio, reduce the energy consumption, and improve the noise reduction and the heat dissipation performance.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
the utility model discloses a straight-line reciprocating air compressor, which comprises a tank body and an air compression device arranged on the tank body, wherein the air compression device comprises a shell, a motor arranged in the shell and a piston rod which is connected with a rotating shaft of the motor and can reciprocate in a cylinder body, the free end of the piston rod is hinged with a piston, an air inlet hole is formed in the piston, a forward gate valve resistor is arranged on the air inlet hole, an air outlet hole is formed in the cylinder body, a reverse gate valve resistor is arranged on the air outlet hole, the air inlet direction of the air inlet hole always faces to the direction of the air outlet hole, when the air inlet hole is in an air inlet state, the air outlet hole is in a closed state, and when the air inlet hole is in a closed state, the air outlet hole is in an air outlet state.
The piston is provided with an annular caulking groove, the annular caulking groove is sleeved with an elastic split ring, and the elastic split ring is always sealed and elastically abutted against the inner wall of the cylinder body.
The positive air valve comprises a first sealing sheet arranged on the top surface of the piston, wherein the first sealing sheet covers the air inlet hole in a sealing mode, and the first sealing sheet can move up and down relative to the top surface of the piston along the axial direction, so that the first sealing sheet is in sealing or clearance fit with the top surface of the piston.
Preferably, the centers of the first sealing pieces are provided with guide holes, and bolts penetrate through the guide holes and are screwed on the top surfaces of the pistons.
The reverse air valve resistor comprises a valve core, a plurality of air outlet valve holes arranged in the valve core and a second sealing sheet arranged on the top surface of the valve core, wherein the second sealing sheet covers the air outlet valve holes in a sealing manner, and the second sealing sheet can move up and down along the axial direction relative to the top surface of the valve core, so that the second sealing sheet is in sealing or clearance fit with the top surface of the valve core.
Preferably, the center of the second sealing sheet is provided with a guide hole, and a bolt passes through the guide hole and is screwed on the top surface of the valve core.
Preferably, the central line of the air inlet hole is parallel to the central line of the air outlet valve hole.
Preferably, the central line of the air inlet hole is parallel to the central lines of the air outlet valve hole and the air outlet hole.
The side of the shell, which is opposite to the motor, is provided with an air inlet channel A, the side of the shell, which is opposite to the cylinder body, is provided with an air inlet channel B, the top of the shell is provided with an air outlet channel, and a fan is arranged in the air outlet channel.
The air inlet channel A comprises an inlet and an outlet, the inlet is provided with a plurality of parts and is arranged on the outer side plate, the outlet is opposite to the motor, the outlet is arranged on the inner side plate, an air cavity is formed between the inner side plate and the outer side plate, and the inlet is communicated with the outlet through the air cavity.
And sound insulation cotton is arranged on the inner wall of the shell.
The utility model has the beneficial effects that:
compared with the prior art, the straight-line reciprocating air compressor adopts the first sealing sheet as the one-way valve sheet of the air inlet hole, when the piston moves downwards along the axial direction in the cylinder body, the air pushes the first sealing sheet to move upwards, the first sealing sheet is in clearance fit with the top surface of the piston at the moment, the air enters the cylinder body along the air inlet hole, the air flow direction faces the air outlet hole, then the piston moves upwards along the axial direction in the cylinder body, the air pressure in the cylinder body is greater than the external atmospheric pressure, so that the first sealing sheet is in sealing fit with the top surface of the piston, the air inlet hole is sealed, the compressed air pushes the second sealing sheet on the reverse air valve resistor upwards, the compressed air is discharged from the air outlet valve hole and the air outlet hole, in the process, the air entering the cylinder body from the air inlet hole and the compressed air discharged from the air outlet hole have the same integral flow direction, that is to say, in the conversion process of the piston moving downwards to move upwards for compression, the air in the cylinder body always moves upwards to compress the air towards the piston and enables the air to be discharged, so that the air is prevented from being hindered by the direction of the air flow when the piston moves upwards to compress the air, the working efficiency is improved, the air compression ratio is improved, and the energy consumption is reduced;
compared with the prior art, the air inlet channel A and the air inlet channel B are respectively arranged at the positions right opposite to the motor and the compressor cylinder body, so that heat generated by the motor and the cylinder body during working can be discharged in time, and the heat dissipation performance is greatly improved;
compared with the prior art, the straight-row reciprocating air compressor is provided with the soundproof cotton on the side plate and the air cavity on the side plate, and the air cavity provides a flow guide function and further improves a soundproof effect, so that a noise reduction function is improved.
Drawings
Fig. 1 is a perspective view of the straight reciprocating air compressor of the present invention;
fig. 2 is a schematic structural view of an air compressing device of the straight reciprocating air compressor of the present invention;
fig. 3 is a perspective view illustrating a piston of the inline reciprocating air compressor according to the present invention;
fig. 4 is an exploded perspective view illustrating a piston of the inline reciprocating air compressor according to the present invention;
fig. 5 is a sectional view showing the construction of a piston of the inline reciprocating air compressor according to the present invention;
fig. 6 is a sectional view showing the construction of a side plate having an air intake passage a of the straight reciprocating air compressor in accordance with the present invention.
Detailed Description
The utility model is described in further detail below with reference to the following figures and detailed description:
referring to fig. 1 to 6, the present invention provides a straight-line reciprocating air compressor, which comprises a tank body 1 and an air compression device 2 disposed on the tank body 1, wherein the air compression device 2 comprises a housing 3, a motor 4 disposed in the housing 3, and a piston rod 6 connected to the motor 4 through a rotating shaft and capable of reciprocating in a cylinder 5, a piston 7 is hinged to a free end of the piston rod 6, the piston rod 6 is hinged to the piston 7 through a bearing 8, the overall reciprocating rotation performance is better, an air inlet 9 is disposed on the piston 7, a forward gate valve resistor 13 is disposed on the air inlet 9, an air outlet 10 is disposed on the cylinder 5, a reverse gate valve resistor 11 is disposed on the air outlet 10, an air inlet direction of the air inlet 9 always faces the air outlet 10, when the air inlet 9 is in an air inlet state, the air outlet 10 is in a closed state, when the air inlet hole 9 is in a closed state, the air outlet hole 10 is in an air outlet state.
The piston 7 is provided with an annular caulking groove 12, the annular caulking groove 12 is sleeved with an elastic split ring (not shown in the figure), and the elastic split ring (not shown in the figure) is always pressed on the inner wall of the cylinder body 5 in a sealing and elastic manner.
The positive valve block 13 comprises a first sealing sheet 14 arranged on the top surface of the piston 7, the first sealing sheet 14 covers the air inlet hole 9 in a sealing mode, and the first sealing sheet 14 can move up and down relative to the top surface of the piston 7 in the axial direction, so that the first sealing sheet 14 is in sealing or clearance fit with the top surface of the piston 7.
Preferably, the centers of the sealing pieces 14 are provided with guide holes 15, and bolts 16 are screwed on the top surface of the piston 7 through the guide holes 15.
The reverse air valve resistor 11 comprises a valve core 17, a plurality of air outlet valve holes 18 arranged in the valve core 17 and a second sealing sheet 19 arranged on the top surface of the valve core 17, wherein the second sealing sheet 19 covers the air outlet valve holes 18 in a sealing manner, and the second sealing sheet 19 can move up and down along the axial direction relative to the top surface of the valve core 17, so that the second sealing sheet 19 is in sealing or clearance fit with the top surface of the valve core 17.
Preferably, the center of the second sealing sheet 19 is provided with a guide hole 29, and a bolt 30 is screwed on the top surface of the valve core 17 through the guide hole 29.
Preferably, the central line of the air inlet hole 9 is parallel to the central line of the air outlet valve hole 18.
Preferably, the central line of the air inlet hole 9 is parallel to the central lines of the air outlet valve hole 18 and the air outlet hole 10.
The side of the shell 3 opposite to the motor 4 is provided with an air inlet channel A20, the side of the shell opposite to the cylinder 5 is provided with an air inlet channel B21, the top of the shell 3 is provided with an air outlet channel 22, and the air outlet channel 22 is internally provided with a fan 23.
The air inlet channel A20 comprises an inlet 24 and an outlet 25, the inlet 24 is provided with a plurality of inlets arranged on the outer side plate 26, the outlet 25 is opposite to the motor 4, the outlet 25 is arranged on the inner side plate 27, an air cavity 28 is formed between the inner side plate 27 and the outer side plate 26, and the air cavity 28 enables the inlet 24 to be communicated with the outlet 25.
The inner wall of the housing 3 is provided with soundproof cotton (not shown).
The operation principle of the straight reciprocating air compressor of the present invention is explained as follows:
when the straight-line reciprocating air compressor disclosed by the utility model works, the motor 4 drives the piston rod to reciprocate, the piston rod 6 is hinged with the piston 7 through the bearing 8, and then the piston 7 reciprocates in a straight line in the cylinder body 5, so that air entering the cylinder body 5 is compressed.
In this process, when the piston 7 moves straight down in the cylinder 5, it is an intake process, that is: the external atmospheric pressure is greater than the atmospheric pressure in the cylinder body 5, so that the external air pushes the first sealing sheet 14 upwards, the air flows into the cylinder body 5 from the plurality of air inlet holes 9 along the directions from the air inlet holes 9 to the air outlet valve hole 18 and the air outlet hole 10, the air always flows towards the air outlet valve hole 18 and the air outlet hole 10, when the piston 7 reaches the bottom dead center position and moves upwards in a straight line, the piston 7 pushes the air which originally flows towards the air outlet valve hole 18 and the air outlet hole 10 along the same direction, the air in the cylinder body 5 is compressed instantly, the atmospheric pressure in the cylinder body 5 is greater than the external atmospheric pressure at the moment, the air pushes the first sealing sheet 14 downwards to move downwards, the sealing joint is made on the top surface of the piston 7, the air inlet holes 9 are sealed and blocked, the sealing sheet second sealing sheet 19 is pushed upwards to move upwards, the air outlet valve hole 18 is opened, and the compressed air flows from the air outlet valve hole 18, The air outlet 10 enters the tank 1. By this, the compressed air is continuously pushed into the tank body 1 and stored.
When the air-cooling type air-cooling device works, the fan 23 in the air outlet channel 22 continuously works, so that outside air enters the shell 3 from the air inlet channel A20 and the air inlet channel B21 and is discharged from the air outlet channel 22 to form an air flow circulation, heat generated when the motor 4 and the cylinder 5 in the shell 3 work is timely evacuated, and the heat dissipation performance is greatly improved.
The direct discharge reciprocating air compressor provided by the embodiment of the utility model is described in detail, a specific example is applied in the description to explain the principle and the implementation mode of the utility model, and the description of the embodiment is only used for helping to understand the technical scheme disclosed by the utility model; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (10)
1. The utility model provides a straight reciprocating air compressor machine, includes jar body, sets up the air compression device on jar body, its characterized in that: the air compression device comprises a shell, a motor arranged in the shell, and a piston rod connected with a motor rotating shaft and capable of reciprocating in a cylinder body, wherein a piston is hinged to the free end of the piston rod, an air inlet hole is formed in the piston, a forward air valve resistor is arranged on the air inlet hole, an air outlet hole is formed in the cylinder body, a reverse air valve resistor is arranged on the air outlet hole, the air inlet direction of the air inlet hole faces the direction of the air outlet hole all the time, when the air inlet hole is in an air inlet state, the air outlet hole is in a closed state, and when the air inlet hole is in a closed state, the air outlet hole is in an air outlet state.
2. The in-line reciprocating air compressor of claim 1, wherein: the piston is provided with an annular caulking groove, the annular caulking groove is sleeved with an elastic split ring, and the elastic split ring is always sealed and elastically abutted against the inner wall of the cylinder body.
3. The in-line reciprocating air compressor of claim 1, wherein: the positive air valve comprises a first sealing sheet arranged on the top surface of the piston, wherein the first sealing sheet covers the air inlet hole in a sealing mode, and the first sealing sheet can move up and down relative to the top surface of the piston along the axial direction, so that the first sealing sheet is in sealing or clearance fit with the top surface of the piston.
4. The in-line reciprocating air compressor of claim 3, wherein: and the center of the sealing piece I is provided with a guide hole, and a bolt penetrates through the guide hole and is in threaded connection with the top surface of the piston.
5. The in-line reciprocating air compressor of claim 1, wherein: the reverse air valve resistor comprises a valve core, a plurality of air outlet valve holes arranged in the valve core and a second sealing sheet arranged on the top surface of the valve core, wherein the second sealing sheet covers the air outlet valve holes in a sealing manner, and the second sealing sheet can move up and down along the axial direction relative to the top surface of the valve core, so that the second sealing sheet is in sealing or clearance fit with the top surface of the valve core.
6. The in-line reciprocating air compressor of claim 5, wherein: and a guide hole is formed in the center of the second sealing sheet, and a bolt penetrates through the guide hole and is screwed on the top surface of the valve core.
7. The in-line reciprocating air compressor of claim 5, wherein: the central line of the air inlet is parallel to the central line of the air outlet valve hole.
8. The in-line reciprocating air compressor of claim 5, wherein: the central line of the air inlet is parallel to the central lines of the air outlet valve hole and the air outlet hole.
9. The in-line reciprocating air compressor of claim 1, wherein: the side of the shell, which is opposite to the motor, is provided with an air inlet channel A, the side of the shell, which is opposite to the cylinder body, is provided with an air inlet channel B, the top of the shell is provided with an air outlet channel, and a fan is arranged in the air outlet channel.
10. The in-line reciprocating air compressor of claim 9, wherein: the air inlet channel A comprises an inlet and an outlet, the inlet is provided with a plurality of parts and is arranged on the outer side plate, the outlet is opposite to the motor, the outlet is arranged on the inner side plate, an air cavity is formed between the inner side plate and the outer side plate, and the inlet is communicated with the outlet through the air cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122905537.0U CN216407080U (en) | 2021-11-22 | 2021-11-22 | Straight reciprocating air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122905537.0U CN216407080U (en) | 2021-11-22 | 2021-11-22 | Straight reciprocating air compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216407080U true CN216407080U (en) | 2022-04-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122905537.0U Active CN216407080U (en) | 2021-11-22 | 2021-11-22 | Straight reciprocating air compressor |
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| Country | Link |
|---|---|
| CN (1) | CN216407080U (en) |
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2021
- 2021-11-22 CN CN202122905537.0U patent/CN216407080U/en active Active
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