CN214304222U - High-sealing compressor for new energy automobile air conditioner - Google Patents
High-sealing compressor for new energy automobile air conditioner Download PDFInfo
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- CN214304222U CN214304222U CN202023006717.7U CN202023006717U CN214304222U CN 214304222 U CN214304222 U CN 214304222U CN 202023006717 U CN202023006717 U CN 202023006717U CN 214304222 U CN214304222 U CN 214304222U
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Abstract
The utility model discloses a high sealed new energy automobile idle call compressor, its piston main part is by the top cap, elasticity middle section and bottom are constituteed, the upper end of top cap is frustum form, the lower extreme periphery of top cap has first piston ring, the upper and lower both ends in elasticity middle section have multichannel annular fold respectively, a recess has on the elasticity middle section of each fold handing-over department, the tip complex of each fold has the polytetrafluoroethylene ring, the periphery of bottom has set gradually graphite ring and second piston ring from top to bottom, be equipped with the spacing platform corresponding with the bottom on the piston rod, the bottom is detained and is arranged in piston rod upper end and with spacing platform looks butt, elasticity middle section cover is arranged on the piston rod and is located the bottom top, the top cap passes through the stock bolt fastening and carries on spacingly at the piston rod tip and to the elasticity middle section, the utility model discloses a piston leakproofness, long service life.
Description
Technical Field
The utility model relates to a high sealed new energy automobile idle call compressor.
Background
Patent publication No. CN206655793U discloses a compressor with high sealing performance, but mainly considers the sealing performance at the joint of the piston rod and the cylinder; the piston, however, acts as the wearing part which rubs most frequently in the entire compressor, and the above patent lacks improvements thereto.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the not enough of above-mentioned prior art, provide a high sealed new energy automobile idle call compressor.
The technical scheme of the utility model is that: a compressor for a high-sealing new energy automobile air conditioner comprises a piston, wherein the piston comprises a piston main body, and the piston main body consists of a top cover, an elastic middle section and a bottom cover;
the upper end of the top cover is in a frustum shape, the edge of the top cover is in arc transition, a channel end part of the shell corresponding to the piston is provided with a bell mouth corresponding to the top cover, the periphery of the lower end of the top cover is provided with a first piston ring, and the top cover is also provided with a fixing hole;
the upper end and the lower end of the elastic middle section are respectively provided with a plurality of annular folds, the elastic middle section at the joint of the folds is provided with a groove, each fold at the upper end of the elastic middle section is named as a first fold, each fold at the lower end of the elastic middle section is named as a second fold, each first fold inclines downwards and is arranged in an umbrella shape and is stacked mutually, each second fold inclines upwards and is arranged in a bowl shape and is stacked mutually, the end parts of each first fold and each second fold are compounded with polytetrafluoroethylene rings, and the middle part of the elastic middle section is also provided with a through hole;
the bottom middle part has a through-hole, the periphery of bottom has set gradually graphite ring and second piston ring from top to bottom, is equipped with the spacing platform corresponding with the bottom on the piston rod, the bottom is detained and is arranged in the piston rod upper end and with spacing platform looks butt, elasticity middle section cover is arranged on the piston rod and is located the bottom top, the top cap passes through the stock bolt fastening and carries on spacingly at the piston rod tip and to the elasticity middle section.
Furthermore, the grooves are arc-shaped grooves, the grooves among the first folds are positioned at the upper end of each fold, and the grooves among the second folds are positioned at the lower end of each second fold.
Furthermore, the outer edge of the first piston ring, the outer edge of the second piston ring, the outer edge of the graphite ring and the outer edges of the first folds and the second folds are all on the same plane.
Furthermore, a circle of steps are arranged on the periphery of the top of the bottom cover, a cover plate is further arranged on the top of the bottom cover, holes corresponding to the piston rods are formed in the cover plate, the graphite ring is sleeved on the steps and limited on the steps by the cover plate, and the cover plate and the bottom cover are fixed with the limiting table through fixing bolts.
Furthermore, the middle part of the elastic middle section is also provided with an outward convex arc-shaped platform which is in arc transition connection with the adjacent first fold and the second fold.
The utility model has the advantages that: the utility model redesigns the structure of the piston, the nodular cast iron piston rings on the top cover and the bottom cover have better sealing and self-lubricating performance, and the sealing effect and the service life of the piston can be effectively improved by matching with the graphite rings; meanwhile, the folds on the elastic middle section alternately scrape impurities in the channel when the piston works and exist as a plurality of sealing rings, so that the service life and the sealing property of the piston can be further improved.
Drawings
Fig. 1 is a schematic structural view of a piston of the present invention;
fig. 2 is a cross-sectional view of the piston of the present invention;
fig. 3 is a schematic structural diagram of the connection between the folds and the teflon ring of the present invention.
Detailed Description
The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.
A high-sealing new energy automobile air conditioner compressor comprises a shell, a piston rod 1 which is telescopically connected in the shell through a guide, a piston arranged at one end of the piston rod 1, and a crankshaft and a crank assembly which are connected to the other end of the piston rod 1, wherein the structure is the same as that of the prior art, and the specific structure and the connection mode are not repeated;
as shown in fig. 1 and 2, the piston includes a piston body composed of a top cover 2, an elastic middle section 3 and a bottom cover 4;
the upper end of the top cover 2 is in a frustum shape, the edge of the top cover 2 is in arc transition, a bell mouth corresponding to the top cover 2 is arranged at the end part of the channel corresponding to the piston on the shell, and when the piston is pushed out under the action of the piston rod 1, the upper end of the top cover 2 can push out the bell mouth to avoid gas from being retained in the channel; the periphery of the lower end of the top cover 2 is provided with a first piston ring 5, and the top cover 2 is also provided with a fixing hole;
the upper end and the lower end of the elastic middle section 3 are respectively provided with a plurality of annular folds, the elastic middle section 3 at the joint of the folds is provided with a groove 6, each fold at the upper end of the elastic middle section 3 is named as a first fold 7, each fold at the lower end of the elastic middle section 3 is named as a second fold 8, the first folds 7 are obliquely downwards inclined and stacked mutually, the second folds 8 are obliquely upwards and stacked mutually in a bowl shape, and the middle part of the elastic middle section 3 is also provided with a through hole;
when the piston stretches in the channel, the first folds 7 and the second folds 8 respectively and alternately sweep the inner wall of the channel, impurities attached to the inner wall of the channel are scraped into the groove 6, and the situation that the sealing performance is affected due to abrasion of the impurities on the piston is avoided;
as shown in fig. 3, a teflon ring 9 is combined at the end of each of the first corrugation 7 and the second corrugation 8, so that each of the first corrugation 7 and the second corrugation 8 has a certain self-lubricating capability, and meanwhile, the elastic first corrugation 7 and the elastic second corrugation 8 exist as a plurality of sealing rings, thereby further improving the sealing performance of the piston;
specifically, the grooves 6 are arc-shaped grooves, the grooves 6 among the first folds 7 are positioned at the upper end of each fold, and the grooves 6 among the second folds 8 are positioned at the lower end of each second fold 8, so that impurities scraped by the folds can be better received;
the elastic middle section 3 is made of fluororubber so that the elastic middle section has better elasticity and high-temperature resistance;
the middle part of the bottom cover 4 is provided with a through hole, the periphery of the bottom cover 4 is sequentially provided with a graphite ring 10 and a second piston ring 11 from top to bottom, the piston rod 1 is provided with a limit station 12 corresponding to the bottom cover 4, the bottom cover 4 is buckled at the upper end of the piston rod 1 and is abutted against the limit station 12, the elastic middle section 3 is sleeved on the piston rod 1 and is positioned above the bottom cover 4, and the top cover 2 is fixed at the end part of the piston rod 1 through a long rod bolt 13 and limits the elastic middle section 3;
in the structure, the first piston ring 5 and the second piston ring 11 are made of nodular cast iron, and have good sealing performance and certain self-lubricating performance;
the outer edge of the first piston ring 5, the outer edge of the second piston ring 11, the outer edge of the graphite ring 10 and the outer edges of the first folds 7 and the second folds 8 are all on the same plane, so that the mutual influence of the outer edges is avoided, and the loss of the sealing performance is avoided;
the periphery of the top of the bottom cover 4 is provided with a circle of steps, the top of the bottom cover 4 is also provided with a cover plate 14, the cover plate 14 is provided with a hole corresponding to the piston rod 1, the graphite ring 10 is sleeved on the steps and limited on the steps by the cover plate 14, and the cover plate 14 and the bottom cover 4 are fixed with a limiting table 12 through a fixing bolt 15;
the structure design considers that the graphite ring 10 is a quick-wear part and needs to be replaced frequently, the structure is convenient for replacing the graphite ring 10, and the fixing mode of the bottom cover 4 is more reliable;
the middle part of the elastic middle section 3 is also provided with a convex arc-shaped platform 16, the arc-shaped platform 16 is in arc transition connection with the adjacent first corrugation 7 and the second corrugation 8, so as to provide support for the first corrugation 16 and the second corrugation 8, and prevent the first corrugation 7 and the second corrugation 8 from deforming so as to keep the functions of scraping impurities and serving as a sealing ring.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a high sealed new energy automobile idle call compressor which characterized in that: the piston comprises a piston main body, wherein the piston main body consists of a top cover, an elastic middle section and a bottom cover;
the upper end of the top cover is in a frustum shape, the edge of the top cover is in arc transition, a channel end part of the shell corresponding to the piston is provided with a bell mouth corresponding to the top cover, the periphery of the lower end of the top cover is provided with a first piston ring, and the top cover is also provided with a fixing hole;
the upper end and the lower end of the elastic middle section are respectively provided with a plurality of annular folds, the elastic middle section at the joint of the folds is provided with a groove, each fold at the upper end of the elastic middle section is named as a first fold, each fold at the lower end of the elastic middle section is named as a second fold, each first fold inclines downwards and is arranged in an umbrella shape and is stacked mutually, each second fold inclines upwards and is arranged in a bowl shape and is stacked mutually, the end parts of each first fold and each second fold are compounded with polytetrafluoroethylene rings, and the middle part of the elastic middle section is also provided with a through hole;
the bottom middle part has a through-hole, the periphery of bottom has set gradually graphite ring and second piston ring from top to bottom, is equipped with the spacing platform corresponding with the bottom on the piston rod, the bottom is detained and is arranged in the piston rod upper end and with spacing platform looks butt, elasticity middle section cover is arranged on the piston rod and is located the bottom top, the top cap passes through the stock bolt fastening and carries on spacingly at the piston rod tip and to the elasticity middle section.
2. The compressor for the high-sealing new energy automobile air conditioner as claimed in claim 1, wherein: the grooves are arc-shaped grooves, the grooves among the first folds are located at the upper end of each fold, and the grooves among the second folds are located at the lower end of each second fold.
3. The compressor for the high-sealing new energy automobile air conditioner as claimed in claim 2, wherein: the outer edge of the first piston ring, the outer edge of the second piston ring, the outer edge of the graphite ring and the outer edges of the first folds and the second folds are all on the same plane.
4. The compressor for the high-sealing new energy automobile air conditioner as claimed in claim 3, wherein: the periphery of the top of the bottom cover is provided with a circle of steps, the top of the bottom cover is also provided with a cover plate, the cover plate is provided with a hole corresponding to the piston rod, the graphite ring is sleeved on the steps and limited on the steps by the cover plate, and the cover plate and the bottom cover are fixed with the limiting table through fixing bolts.
5. The compressor for the high-sealing new energy automobile air conditioner as claimed in claim 4, wherein: the middle part of the elastic middle section is also provided with an outward convex arc-shaped platform which is in arc transition connection with the adjacent first folds and the second folds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023006717.7U CN214304222U (en) | 2020-12-15 | 2020-12-15 | High-sealing compressor for new energy automobile air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023006717.7U CN214304222U (en) | 2020-12-15 | 2020-12-15 | High-sealing compressor for new energy automobile air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214304222U true CN214304222U (en) | 2021-09-28 |
Family
ID=77853640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023006717.7U Active CN214304222U (en) | 2020-12-15 | 2020-12-15 | High-sealing compressor for new energy automobile air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214304222U (en) |
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2020
- 2020-12-15 CN CN202023006717.7U patent/CN214304222U/en active Active
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