CN219865394U - Labyrinth seal reciprocating compressor with horizontal structure - Google Patents
Labyrinth seal reciprocating compressor with horizontal structure Download PDFInfo
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- CN219865394U CN219865394U CN202321261446.0U CN202321261446U CN219865394U CN 219865394 U CN219865394 U CN 219865394U CN 202321261446 U CN202321261446 U CN 202321261446U CN 219865394 U CN219865394 U CN 219865394U
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- piston
- cylinder body
- piston rod
- cross head
- horizontal
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- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 36
- 238000010276 construction Methods 0.000 claims 2
- 230000002457 bidirectional effect Effects 0.000 abstract description 2
- 230000005489 elastic deformation Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Compressor (AREA)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Abstract
The utility model discloses a labyrinth seal reciprocating compressor with a horizontal structure, which comprises a cylinder body and a piston, and is characterized in that: the cylinder body is horizontal, but the piston left and right movement sets up in the cylinder body, and is clearance seal between piston and the cylinder body inner wall, the left and right both ends of piston are connected with left piston rod and right piston rod respectively, and left piston rod and right piston rod are clearance seal respectively worn to locate on the cylinder body, and are located to be equipped with left scraper ring, cross head on the left piston rod in the cylinder body outside in proper order, and the cross head has set up cross head slide, and the cross head links to each other with the bent axle transmission, is located to be equipped with right scraper ring, guide bearing on the right piston rod in the cylinder body outside in proper order. The piston is labyrinth seal, and is assisted with bidirectional guiding, so that horizontal application is realized, and the compressor can adapt to horizontal working conditions without leakage.
Description
Technical Field
The utility model relates to an improved utility model of a compressor, in particular to an improved utility model of a labyrinth seal reciprocating compressor with a horizontal structure.
Background
The labyrinth compressor is a novel compressor which adopts a non-contact labyrinth sealing technology between a piston and a cylinder wall and between a piston rod and a filler.
The sealing structure of the labyrinth piston compressor is non-contact vortex sealing, and the piston and the stuffing box are sealed by virtue of the labyrinth, so that the discharged gas is ensured not to be provided with lubricating oil, and no abrasive dust is generated, and the sealing performance and the use reliability of the labyrinth piston compressor are not affected by the solid particles contained in the gas.
However, a certain distance is reserved between the guide structure of the piston rod of the existing labyrinth piston compressor and the piston, and the piston easily deflects under the action of external force, so that the labyrinth piston compressor is mostly arranged vertically, and the piston is required to be ensured not to be influenced by gravity to deflect, so that leakage is prevented, and the labyrinth piston compressor cannot be suitable for horizontal working conditions, and is limited in use; in addition, the sealing clearance between the piston and the inner wall of the cylinder body is not adjustable, so that the tightness of vortex sealing to fluid is affected, and leakage is caused.
Disclosure of Invention
The utility model aims to solve the technical problem of overcoming the defects of the prior art and providing a labyrinth seal reciprocating compressor with a horizontal structure.
In order to solve the technical problems, the utility model is realized by adopting the following technical scheme: the labyrinth seal reciprocating compressor with the horizontal structure comprises a cylinder body and a piston, and is characterized in that: the cylinder body is horizontal, but the piston left and right movement sets up in the cylinder body, and is clearance seal between piston and the cylinder body inner wall, the left and right both ends of piston are connected with left piston rod and right piston rod respectively, and left piston rod and right piston rod are clearance seal respectively worn to locate on the cylinder body, and are located to be equipped with left scraper ring, cross head on the left piston rod in the cylinder body outside in proper order, and the cross head has set up cross head slide, and the cross head links to each other with the bent axle transmission, is located to be equipped with right scraper ring, guide bearing on the right piston rod in the cylinder body outside in proper order.
The piston is characterized in that a sealing sleeve is sleeved on the outer side of the piston, a gap is sealed between the outer circle of the sealing sleeve and the inner wall of the cylinder body, and a row of sealing ring grooves matched with each other are respectively arranged on the outer circle of the corresponding sealing sleeve and the inner wall of the cylinder body.
The piston comprises a left piston body and a right piston body, wherein the left piston body and the right piston body are sleeved on the left piston rod, the distance between the left piston body and the right piston body is adjustable, the sealing sleeve is sleeved on the outer side of the left piston body and the outer side of the right piston body, an upper step and a lower step are arranged on the inner circle of the sealing sleeve, and the upper step and the lower step are pressed between the outer ends of the left piston body and the right piston body.
The right end of the left piston rod is a diameter-reducing section, the left piston body and the right piston body are sleeved on the diameter-reducing section, and the right end of the diameter-reducing section is connected with the threads of the right piston rod.
The improved labyrinth seal reciprocating compressor with the horizontal structure has the advantages that the piston is in labyrinth seal, and is assisted with bidirectional guiding, so that horizontal application is realized, and the compressor can adapt to horizontal working conditions without leakage; meanwhile, the sealing gap between the piston and the inner wall of the cylinder body can be adjusted by adjusting the elastic deformation of the sealing sleeve, so that the sealing gap can be adjusted by elastic deformation in a certain range.
Drawings
The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings.
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a diagram of the piston structure of the present utility model.
Fig. 3 is a diagram of the clearance seal fit of the present utility model.
Detailed Description
The drawings illustrate the structure of the present utility model, and details thereof are further described below with reference to the drawings. In this embodiment, this labyrinth seal reciprocating compressor of horizontal structure, including cylinder body 1, piston 2, cylinder body 1 is horizontal setting, but piston 2 left and right movement sets up in cylinder body 1, and is clearance seal between piston 2 and the cylinder body 1 inner wall, the left and right sides of piston 2 is connected with left piston rod 51 and right piston rod 52 respectively, and left piston rod 51 and right piston rod 52 clearance seal wear to locate on cylinder body 1 respectively, and be located to be equipped with left scraper ring 3, cross head 4 on the left piston rod 51 in the cylinder body 1 outside in proper order, cross head 4 has set up the cross head slide, and cross head 4 links to each other with the transmission of bent axle 6, is equipped with right scraper ring 7, guiding bearing 8 on the right piston rod 52 in the cylinder body 1 outside in proper order.
According to the working principle of the utility model, the power source drives the crankshaft 6 to rotate, the crankshaft 6 can drive the cross head 4 to move in the cross head slideway through the connecting rod, so that the left piston rod 51 is driven to move directionally and drive the piston 2 to reciprocate, the right end of the piston 2 is guided by the right piston rod 52 matched with the guide bearing 8, the two ends of the piston 2 are guided, and the horizontal arrangement of the compressor is realized by avoiding the deflection caused by the influence of gravity when the gap between the piston 2 and the cylinder body 1 is sealed.
As a further improved specific embodiment, the outside of the piston 2 is sleeved with a sealing sleeve 21, a gap is sealed between the outer circle of the sealing sleeve 21 and the inner wall of the cylinder body 1, and a row of sealing ring grooves 9 which are matched with each other are respectively arranged on the outer circle of the corresponding sealing sleeve 21 and the inner wall of the cylinder body 1. When the piston is in operation, the piston 2 moves up and down in the cylinder body 1 under the drive of the piston rod, the piston 2 and the inner wall of the cylinder body 1 are sealed through gaps, and particularly, vortex sealing is formed by a sealing ring groove 9 between the piston 2 and the inner wall of the cylinder body 1.
As a further improved embodiment, the piston 2 includes a left piston body 22 and a right piston body 23, the left piston body 22 and the right piston body 23 are both sleeved on the left piston rod 51, the space between the left piston body 22 and the right piston body 23 is adjustable, the sealing sleeve 21 is sleeved on the outer sides of the left piston body 22 and the right piston body 23, an up-down step 24 is arranged on the inner circle of the sealing sleeve 21, and the up-down step 24 is pressed between the outer ends of the left piston body 22 and the right piston body 23. When the sealing sleeve 21 is in operation, the sealing sleeve 21 can be extruded by adjusting the tiny distance between the upper piston 2 body and the lower piston 2 body, so that the sealing sleeve 21 is elastically deformed and protrudes outwards, thereby adjusting the sealing gap and improving the gap sealing performance.
As a further improved specific embodiment, the right end of the left piston rod 51 is a reduced diameter section 53, the left piston body 22 and the right piston body 23 are sleeved on the reduced diameter section 53, and the right end of the reduced diameter section 53 is in threaded connection with the right piston rod 52; during adjustment, the right piston rod 52 is rotated, the upper piston 2 body and the lower piston 2 body are close to each other, the gap between the upper piston 2 body and the lower piston 2 body is reduced, the piston 2 is further extruded to be sleeved on two sides to elastically deform so as to adjust the gap between the sealing sleeve 21 and the inner wall of the cylinder body 1, and otherwise, the sealing sleeve 21 reduces the elastic deformation and increases the gap.
In summary, the above embodiments are only preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (4)
1. The utility model provides a labyrinth seal reciprocating compressor of horizontal structure, includes cylinder body, piston, its characterized in that: the cylinder body is horizontal, but the piston left and right movement sets up in the cylinder body, and is clearance seal between piston and the cylinder body inner wall, the left and right both ends of piston are connected with left piston rod and right piston rod respectively, and left piston rod and right piston rod are clearance seal respectively worn to locate on the cylinder body, and are located to be equipped with left scraper ring, cross head on the left piston rod in the cylinder body outside in proper order, and the cross head has set up cross head slide, and the cross head links to each other with the bent axle transmission, is located to be equipped with right scraper ring, guide bearing on the right piston rod in the cylinder body outside in proper order.
2. The labyrinth seal reciprocating compressor of horizontal construction as set forth in claim 1 wherein: the piston is characterized in that a sealing sleeve is sleeved on the outer side of the piston, a gap is sealed between the outer circle of the sealing sleeve and the inner wall of the cylinder body, and a row of sealing ring grooves matched with each other are respectively arranged on the outer circle of the corresponding sealing sleeve and the inner wall of the cylinder body.
3. The labyrinth seal reciprocating compressor of a horizontal structure as claimed in claim 2, wherein: the piston comprises a left piston body and a right piston body, wherein the left piston body and the right piston body are sleeved on the left piston rod, the distance between the left piston body and the right piston body is adjustable, the sealing sleeve is sleeved on the outer side of the left piston body and the outer side of the right piston body, an upper step and a lower step are arranged on the inner circle of the sealing sleeve, and the upper step and the lower step are pressed between the outer ends of the left piston body and the right piston body.
4. A labyrinth seal reciprocating compressor of horizontal construction as claimed in claim 3, wherein: the right end of the left piston rod is a diameter-reducing section, the left piston body and the right piston body are sleeved on the diameter-reducing section, and the right end of the diameter-reducing section is connected with the threads of the right piston rod.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202321261446.0U CN219865394U (en) | 2023-05-24 | 2023-05-24 | Labyrinth seal reciprocating compressor with horizontal structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321261446.0U CN219865394U (en) | 2023-05-24 | 2023-05-24 | Labyrinth seal reciprocating compressor with horizontal structure |
Publications (1)
Publication Number | Publication Date |
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CN219865394U true CN219865394U (en) | 2023-10-20 |
Family
ID=88333149
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202321261446.0U Active CN219865394U (en) | 2023-05-24 | 2023-05-24 | Labyrinth seal reciprocating compressor with horizontal structure |
Country Status (1)
Country | Link |
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CN (1) | CN219865394U (en) |
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2023
- 2023-05-24 CN CN202321261446.0U patent/CN219865394U/en active Active
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