CN209875469U - Air inlet connecting structure of compressor and liquid storage device - Google Patents
Air inlet connecting structure of compressor and liquid storage device Download PDFInfo
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- CN209875469U CN209875469U CN201920430664.XU CN201920430664U CN209875469U CN 209875469 U CN209875469 U CN 209875469U CN 201920430664 U CN201920430664 U CN 201920430664U CN 209875469 U CN209875469 U CN 209875469U
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- air inlet
- compressor
- protective sleeve
- air
- accumulator
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Abstract
The utility model provides a compressor and reservoir air inlet connecting structure, which comprises an air cylinder air inlet channel, an air inlet connecting pipe, a reservoir bent pipe and an air inlet protective sleeve, wherein the air inlet protective sleeve is provided with a first end and a second end, the first end is detachably and hermetically connected with the air cylinder air inlet channel, and the second end is detachably and hermetically connected with a shell of the compressor through a sealing nut; the air inlet connecting pipe is at least partially inserted into the air inlet protective sleeve from the first end and is in clearance fit with the air inlet channel of the cylinder and the air inlet protective sleeve respectively; the reservoir elbow is at least partially inserted into the air inlet protective sleeve from the second end and is in clearance fit with the air inlet protective sleeve. This kind of compressor and reservoir's connection structure that admits air can prevent to decide the rotor off-centre bad, improves the performance of compressor, uses the mode of dismantling the connection simultaneously to reduce the safety risk that uses the brazing connection to bring among the prior art to the convenient change maintenance in reservoir spare part.
Description
Technical Field
The utility model relates to a compressor technical field especially relates to a compressor and reservoir admit air connection structure.
Background
As shown in fig. 1-2, the air inlet structure of the rotary compressor includes an air inlet channel 101 of an air cylinder, an air inlet connection pipe 103, an air inlet pipe bushing 102, a seat ring assembly 104, a housing 106, and a reservoir assembly 105, wherein the seat ring assembly 104 is press-welded to the housing 106 through an electrode, the air inlet connection pipe 103 is press-fitted inside the air inlet channel 101 of the air cylinder through the air inlet pipe bushing 102 in an interference manner, and the reservoir assembly 105 is connected with the housing seat ring 104 through brazing.
The existing air inlet channel structure applies force to one side of the air cylinder 101 in the interference press-in process of the air inlet connecting pipe 103, the concentricity of the rotor assembly 108 and the stator assembly 107 is easily poor, the rotor assembly 108 inclines to one side of the liquid storage assembly 105, air gaps of the stator and the rotor are uneven, and the performance and noise of the whole machine are affected. The liquid storage device assembly 105 is connected with the shell seat ring 104 through brazing, the flame welding operation is extremely high in danger, potential safety hazards are large, and safety risks of field operation personnel of a factory are increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a compressor and reservoir connection structure that admits air to solve among the prior art compressor and reservoir connection structure incorrectly lead to stator and rotor eccentricity bad, increased compressor installation risk scheduling problem.
In order to solve the technical problem, the utility model provides an air inlet connecting structure of a compressor and a liquid storage device, which comprises an air inlet channel of an air cylinder, an air inlet connecting pipe, a liquid storage device bent pipe and an air inlet protective sleeve, wherein the air inlet protective sleeve is provided with a first end and a second end, the first end is detachably and hermetically connected with the air inlet channel of the air cylinder, and the second end is detachably and hermetically connected with a shell of the compressor through a sealing nut; the air inlet connecting pipe is at least partially inserted into the air inlet protective sleeve from the first end and is in clearance fit with the air inlet channel of the air cylinder and the air inlet protective sleeve respectively; the reservoir elbow is at least partially inserted into the air inlet protective sleeve from the second end and is in clearance fit with the air inlet protective sleeve.
Further, the inner wall of the air inlet channel of the air cylinder and the outer wall of the first end are provided with matched threads, and the first end is inserted into the inner cavity of the air inlet channel of the air cylinder and is detachably connected in a sealing mode through the threads.
Further, a circle of gap is arranged between the inner wall of the air inlet channel of the air cylinder and the pipe orifice of the first end, a circle of clamping convex ring is arranged on the outer wall of the air inlet connecting pipe, and the clamping convex ring is clamped in the gap.
Further, a sealing rubber ring is arranged between the air inlet protective sleeve and the air inlet connecting pipe.
Furthermore, the outer wall of the reservoir elbow is provided with a circle of raised snap ring, and the snap ring is snapped outside the port of the second end.
Furthermore, the outer wall of the second end is provided with threads matched with the sealing nut, the sealing nut is connected with the air inlet protective sleeve through the threads, and the buckle ring is clamped in a gap between the air inlet protective sleeve and the sealing nut.
Furthermore, the outer side wall of the shell is provided with threads matched with the sealing nut, the threads are correspondingly connected with the threads of the second end, and the sealing nut connects the shell with the air inlet protective sleeve.
Further, a sealing rubber ring is arranged between the second end and the reservoir elbow.
Furthermore, the side wall of the compressor shell is provided with a through hole, the air inlet protective sleeve is perpendicular to the side wall of the compressor shell and penetrates out of the through hole, a circle of gap is formed at the joint of the shell and the air inlet protective sleeve, and a circle of sealing rubber ring is arranged in the gap.
Further, the cylinder air inlet channel, the air inlet connecting pipe, the reservoir elbow and the air inlet protective sleeve are made of rigid materials.
In the air inlet connecting structure of the compressor and the liquid storage device, the air inlet connecting pipe is positioned in an inner cavity of a connecting piece formed by the air inlet channel of the air cylinder and the air inlet protective sleeve and is in clearance fit with the air inlet channel of the air cylinder and the air inlet protective sleeve respectively, and at least part of the bent pipe of the liquid storage device is inserted into the second end of the air inlet protective sleeve and is in clearance fit with the air inlet protective sleeve, so that the problem that the eccentricity of a stator and a rotor is poor due to interference press-in of the original scheme is solved, and the overall performance of the; the first end of the air inlet protective sleeve and the air inlet channel of the air cylinder are connected in a detachable and sealed mode, meanwhile, the second end of the air inlet protective sleeve and the shell of the compressor are connected in a detachable and sealed mode, safety risks caused by brazing operation in the prior art are improved, and replacement and maintenance of equipment parts are facilitated.
Drawings
FIG. 1 is a schematic cross-sectional view of a compressor according to the prior art;
FIG. 2 is a schematic partial cross-sectional view of a gas inlet connection to the accumulator of the compressor of FIG. 1;
fig. 3 is a schematic cross-sectional view of a gas inlet connection structure of a compressor and a liquid reservoir according to an embodiment of the present invention;
in fig. 1-2, 101-cylinder intake passage, 102-intake liner, 103-intake connection, 104-race assembly, 105-accumulator assembly, 106-housing, 107-stator assembly, 108-rotor assembly;
in FIG. 3, 201-cylinder inlet channel, 202-inlet connection pipe, 203-reservoir elbow, 204-inlet protective sleeve, 205-housing, 206 a-thread, 206 b-thread, 207 a-sealing rubber ring, 207 b-sealing rubber ring, 207 c-sealing rubber ring, 208-sealing nut, 209 a-snap ring, 209 b-snap ring.
Detailed Description
The utility model discloses a core thought lies in providing a compressor and the connection structure that admits air of reservoir, and it is bad to improve the mode that uses the interference to impress among the prior art and lead to deciding the rotor off-centre, and improve the safety risk that uses the connection of brazing to bring among the prior art.
In order to realize the thought, the utility model provides a compressor and reservoir air inlet connection structure, which comprises an air cylinder air inlet channel, an air inlet connection pipe, a reservoir bent pipe and an air inlet protection sleeve, wherein the air inlet connection pipe is positioned in an inner cavity of a connection piece formed by the air cylinder air inlet channel and the air inlet protection sleeve and is in clearance fit with the air cylinder air inlet channel and the air inlet protection sleeve respectively, and at least part of the reservoir bent pipe is inserted into the second end of the air inlet protection sleeve and is in clearance fit with the second end; the first end of the air inlet protective sleeve is connected with the air inlet channel of the air cylinder in a detachable and sealed mode, and meanwhile the second end of the air inlet protective sleeve is connected with the shell of the compressor in a detachable and sealed mode.
In order to make the objects, advantages and features of the present invention clearer, the air inlet connection structure of the compressor and the liquid storage device provided by the present invention is further described in detail with reference to fig. 3. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.
Example one
Referring to fig. 3, it is a schematic cross-sectional view of an air inlet connection structure of a compressor and a liquid storage device according to a first embodiment of the present invention. The air inlet protective sleeve 204 is provided with a first end and a second end, wherein the first end is detachably and hermetically connected with the air inlet channel 201 of the air cylinder, and the second end is detachably and hermetically connected with a shell 205 of the compressor through a sealing nut 208; the air inlet connecting pipe 202 is at least partially inserted into the air inlet protective sleeve 204 from the first end and is in clearance fit with the air inlet channel 201 of the cylinder and the air inlet protective sleeve 204 respectively; the reservoir elbow 203 is inserted at least partially into the air intake protective sleeve 204 from the second end and is clearance fit with the air intake protective sleeve 204.
The specific connection mode between the air inlet protective sleeve 204 and the air inlet of the air cylinder inlet channel 201 is as follows: the inner wall of the cylinder air inlet channel 201 and the outer wall of the first end are provided with matched threads 206a, and the first end is inserted into the inner cavity of the cylinder air inlet channel 201 and is detachably connected with the inner cavity in a sealing mode through the threads 206 a.
Meanwhile, the outer wall of the second end is provided with a thread 206b, a sealing nut 208 is used for connecting the air inlet protective sleeve 204 with the reservoir elbow 203 through the thread 206b, the outer wall of the reservoir elbow 203 is provided with a circle of convex snap ring 209b, and the snap ring 209b is clamped and embedded in a gap between the pipe orifice of the air inlet protective sleeve 204 and the sealing nut 208.
Of course, the detachable sealing connection also includes the modes of hook connection, etc., and the utility model discloses not limited to specific connection mode.
Meanwhile, a gap is formed between the inner wall of the air cylinder air inlet channel 201 and the pipe orifice of the first end, a circle of clamping convex ring 209a is arranged on the outer wall of the air inlet connecting pipe 202, and the clamping convex ring 209a is clamped and embedded in the gap, so that the air inlet connecting pipe 202 is fixed in an inner cavity of a connecting piece formed by the air cylinder air inlet channel 201 and the air inlet protective sleeve 204 and cannot slide.
Further, a sealing rubber ring 207a is arranged between the air inlet protective sleeve 204 and the air inlet connecting pipe 202, and a sealing rubber ring 207b is arranged between the air inlet protective sleeve 204 and the reservoir elbow 203, so that the connection tightness between the components is enhanced.
Preferably, a through hole is provided on the outer side wall of the casing 205, and the air inlet protection sleeve 204 penetrates through the through hole perpendicularly to the side wall of the compressor casing. A gap is arranged at the joint of the shell 205 and the air inlet protective sleeve 204, and a sealing rubber ring 207c is arranged in the gap. And the periphery of the through hole is provided with a thread matched with the sealing nut 208, the thread is correspondingly connected with the thread 206b of the air inlet protective sleeve 204, and the shell 205 and the air inlet protective sleeve 204 are fixedly connected by using the sealing nut 208, so that the stability of the equipment is improved.
In addition, the cylinder inlet channel 201, the inlet connection pipe 202, the reservoir elbow 203, the housing 205 and the inlet protection sleeve 204 are made of rigid materials, so as to enhance the stability of the device, in this embodiment, the threads 206a and 206b are similar to those commonly used in the prior art, and the detailed structure of the present specification and the drawings of the specification is not described in detail.
It should be noted that the clearance fit mentioned in the present invention refers to the fit connection having a clearance (including the minimum clearance equal to zero), and certainly preferably, the minimum clearance is equal to zero in the present invention.
In conclusion, the air inlet connecting pipe is positioned in an inner cavity of a first connecting piece formed by the air inlet channel of the air cylinder and the air inlet protective sleeve, and is in clearance fit with the air inlet channel of the air cylinder and the air inlet protective sleeve respectively, and meanwhile, the bent pipe of the liquid storage device is in clearance fit with the air inlet protective sleeve, so that the problem of poor eccentricity of a stator and a rotor caused by interference press-in the original scheme is solved, and the overall performance of the compressor is improved; the protective sleeve admits air with can dismantle sealing connection between the cylinder inlet channel, admit air the protective sleeve with can dismantle sealing connection between the reservoir return bend, improved the safety risk that the operation of brazing brought among the prior art, more make things convenient for the change maintenance of equipment spare part.
The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and any modification and modification made by those skilled in the art according to the above disclosure are all within the scope of the claims.
Claims (10)
1. The air inlet connecting structure of the compressor and the liquid accumulator is characterized by comprising an air cylinder air inlet channel, an air inlet connecting pipe, a liquid accumulator bent pipe and an air inlet protective sleeve, wherein the air inlet protective sleeve is provided with a first end and a second end, the first end is detachably and hermetically connected with the air cylinder air inlet channel, and the second end is detachably and hermetically connected with a shell of the compressor through a sealing nut; the air inlet connecting pipe is at least partially inserted into the air inlet protective sleeve from the first end and is in clearance fit with the air inlet channel of the air cylinder and the air inlet protective sleeve respectively; the reservoir elbow is at least partially inserted into the air inlet protective sleeve from the second end and is in clearance fit with the air inlet protective sleeve.
2. The compressor and accumulator air inlet connection structure of claim 1, wherein the inner wall of the cylinder air inlet channel and the outer wall of the first end are provided with matching screw threads, and the first end is inserted into the inner cavity of the cylinder air inlet channel and is detachably and hermetically connected through the screw threads.
3. The air inlet connection structure of the compressor and the liquid accumulator according to claim 2, wherein a ring of gap is provided between the inner wall of the air inlet channel of the cylinder and the pipe orifice of the first end, and a ring of convex clamping ring is provided on the outer wall of the air inlet connection pipe and is clamped in the gap.
4. The air intake connection structure of the compressor and the accumulator according to claim 1 or 3, wherein a sealing rubber ring is provided between the air intake protective sleeve and the air intake connection pipe.
5. The compressor-accumulator air intake connection of claim 1, wherein the outer wall of the accumulator elbow is provided with a ring of raised snap-ring that snaps out of the port at the second end.
6. The compressor-accumulator air inlet connection structure of claim 5, wherein the outer wall of the second end is provided with a thread matching with the sealing nut, the sealing nut is connected with the air inlet protective sleeve through the thread, and the snap ring is snapped in a gap between the air inlet protective sleeve and the sealing nut.
7. The compressor-accumulator air intake connection structure of claim 6, wherein the housing has an outer sidewall provided with threads matching the sealing nut, the threads corresponding to the threads of the second end, and the sealing nut connects the housing to the air intake protection sleeve.
8. The compressor-accumulator air intake connection of claim 1, wherein a sealing rubber ring is disposed between said second end and said accumulator elbow.
9. The air inlet connection structure of the compressor and the liquid storage device as claimed in claim 1, wherein a through hole is formed in a side wall of a shell of the compressor, the air inlet protection sleeve penetrates out of the through hole perpendicularly to the side wall of the shell of the compressor, a gap is formed at a joint of the shell and the air inlet protection sleeve, and a sealing rubber ring is arranged in the gap.
10. The compressor-accumulator intake connection structure of claim 1, wherein the cylinder intake passage, the intake connection pipe, the accumulator elbow and the intake protection sleeve are made of a rigid material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920430664.XU CN209875469U (en) | 2019-04-01 | 2019-04-01 | Air inlet connecting structure of compressor and liquid storage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920430664.XU CN209875469U (en) | 2019-04-01 | 2019-04-01 | Air inlet connecting structure of compressor and liquid storage device |
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| Publication Number | Publication Date |
|---|---|
| CN209875469U true CN209875469U (en) | 2019-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920430664.XU Active CN209875469U (en) | 2019-04-01 | 2019-04-01 | Air inlet connecting structure of compressor and liquid storage device |
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| CN (1) | CN209875469U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114076427A (en) * | 2020-08-21 | 2022-02-22 | 上海海立电器有限公司 | Connecting structure of air cylinder and liquid accumulator of compressor |
-
2019
- 2019-04-01 CN CN201920430664.XU patent/CN209875469U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114076427A (en) * | 2020-08-21 | 2022-02-22 | 上海海立电器有限公司 | Connecting structure of air cylinder and liquid accumulator of compressor |
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