CN214196606U - Pressure-equalizing sealing cylinder cover - Google Patents
Pressure-equalizing sealing cylinder cover Download PDFInfo
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- CN214196606U CN214196606U CN202022663860.7U CN202022663860U CN214196606U CN 214196606 U CN214196606 U CN 214196606U CN 202022663860 U CN202022663860 U CN 202022663860U CN 214196606 U CN214196606 U CN 214196606U
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- cylinder cover
- sealing
- pressure equalizing
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Abstract
The utility model discloses a pressure-equalizing seal cylinder cap, including the cylinder head body, be equipped with a plurality of jar hole sealing muscle on the position that the cylinder hole on cylinder head body and the cylinder corresponds, a plurality of jar hole sealing muscle sets up on same distribution circle. The utility model provides a pressure-equalizing seal cylinder cap compresses tightly the back at the cylinder head installation, and the sealed muscle in jar can compress tightly on the valve plate, and the valve plate of being separated by, the valve block of breathing in compress tightly the jar hole edge, prevent gas leakage.
Description
Technical Field
The utility model belongs to the technical field of the compressor and specifically relates to a pressure-equalizing seal cylinder cap is related to.
Background
Refrigeration compressor has decisive influence as the core of refrigerator to the work efficiency of refrigerator, and current refrigerator refrigeration compressor is mostly piston compressor, and its working method is: the piston reciprocates between the upper dead point and the lower dead point in the cylinder, so that gas is compressed and sucked in the closed cylinder, gas is sucked in from the air suction hole and is discharged from the air discharge hole after being compressed. In the process, the sucked gas with low temperature and low pressure is compressed into gas with high temperature and high pressure to be discharged. Since the gas is compressed in the cylinder, it is necessary to ensure a certain tightness of the interior of the cylinder, and the cylinder head is the component that is decisively responsible for the sealing action. The cylinder head compresses tightly the valve plate on the cylinder terminal surface, prevents to inhale the gas leakage of exhaust when compressor work to need have the effect of pressure-sharing, prevent that pressure from being pressed the deformation by the pressure at certain point too big another point too little valve plate that leads to.
The cylinder head of the prior refrigeration compressor is lack of effective pressing measures on the periphery of the cylinder hole at the end face of the cylinder, so that a part of gas possibly leaks from the edge of the cylinder hole, structural defects of the cylinder head exist at the joint of the cylinder head and the silencer head, sealing measures are lacked, the silencer head is pressed only by a fixing clamp, the first pressing mode is troublesome during the installation of the silencer, the second pressing mode is only carried out but does not achieve the effect of pressure equalization, and particularly gas leakage is easily caused at the overlapping position of the silencer head and the edge of the cylinder hole. The above structural defects may eventually cause a series of problems such as leakage of suction and exhaust gases and deformation of the valve plate, which may adversely affect the reliability of the compressor. Therefore, a pressure equalizing sealing cylinder cover needs to be designed, after the cylinder cover is installed and compressed, the structure on the cylinder cover can be compressed on the valve plate, the edge of the cylinder hole is compressed by the valve plate and the suction valve plate at intervals, and gas leakage is prevented.
Chinese patent application publication No. CN201496235U, published as 2010, 06, 02, entitled "cylinder head of hermetic compressor", discloses a cylinder head of a hermetic compressor, belonging to the technical field of structural improvement of a cylinder of a hermetic compressor. The exhaust gas purification device is characterized in that at least a first convex rib and a second convex rib which are flush with the end face of the cylinder cover are formed in the inner cavity, the first convex rib divides the inner cavity into a first inner cavity and a second inner cavity, the first inner cavity is communicated with the second inner cavity, and the second convex rib is positioned in the first inner cavity. The closed compressor has the advantages that the reliable positioning of the exhaust valve is facilitated, the temperature rise is low, the performance stability of the whole compressor is improved, and the problems that the cylinder cover is not beneficial to the reliable positioning of the exhaust valve and the temperature rise of the cylinder cover is high in the existing closed compressor, so that the performance stability of the whole compressor is influenced and the like are solved. The cylinder head does not solve the above problems.
Disclosure of Invention
The utility model discloses an overcome prior art cylinder cap's structure flaw and finally can cause the suction and exhaust leakage, a series of problems such as valve plate deformation bring harmful effects for the reliability of compressor not enough, provide a pressure-equalizing seal cylinder cap, compress tightly the back at the cylinder head installation, the sealed muscle in cylinder hole can compress tightly on the valve plate, the valve plate of being separated by, the valve block of breathing in compresses tightly the cylinder hole edge, prevents gas leakage.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the pressure-equalizing sealing cylinder cover comprises a cylinder cover body, wherein a plurality of cylinder hole sealing ribs are arranged on the cylinder cover body and the position, corresponding to a cylinder hole, of a cylinder, and the cylinder hole sealing ribs are arranged on the same distribution circle.
In the technical scheme, the cylinder cover body is of a bilateral symmetry structure, after the cylinder cover is installed and compressed, the acting force of the cylinder hole sealing rib acts on the valve plate, the valve plate and the suction valve plate are separated, the edge of the cylinder hole is compressed, and gas leakage is prevented. And a plurality of cylinder hole sealing ribs are arranged on the same distribution circle, so that the acting force is uniform.
Preferably, the cylinder hole sealing rib has a circular arc-shaped structure. The structure can enable the cylinder hole sealing rib to be tightly pressed along the edge of the cylinder hole, and the sealing performance is guaranteed.
Preferably, the cylinder bore sealing ribs are symmetrically distributed on both sides of a symmetrical surface of the cylinder head body. The construction allows for more uniform compressive forces.
Preferably, the number of the cylinder bore sealing ribs is three.
Preferably, the cylinder head body is provided with a limit stop pressing block, and the limit stop pressing block is arranged between two adjacent cylinder hole sealing ribs. The stopper compact heap not only compresses tightly the stopper, also has certain effort to the valve plate, and the cooperation jar hole sealing muscle is sealed.
Preferably, the number of the stopper pressing blocks is two, and the two stopper pressing blocks are symmetrically distributed on two sides of a symmetrical surface of the cylinder cover body. The construction allows for more uniform compressive forces.
Preferably, the cylinder hole sealing rib, the limiter pressing block and the cylinder head body are of an integrally formed structure. The structure can guarantee the structural strength and is convenient to process.
Preferably, the cylinder cover further comprises a silencer body, a silencer mounting groove is formed in the cylinder cover body, a first positioning groove and a second positioning groove are arranged on the side wall of the silencer mounting groove side by side, one end of the silencer body is arranged in the silencer mounting groove, a first sealing pressing strip matched with the first positioning groove is arranged on the silencer body, and a second sealing pressing strip matched with the second positioning groove is arranged on the silencer body.
In the technical scheme, the cylinder cover body is provided with two positioning grooves, the first positioning groove and the second positioning groove have two functions of positioning and matching and compressing after the silencer is installed, after the cylinder cover is installed and compressed, the first sealing and compressing strip compresses and seals the lower part of a cylinder hole, and compresses and forms an annular compressing area with a cylinder hole sealing rib and a limiter, and the compressing and sealing of a circle around the cylinder hole is realized at intervals of the valve plate and the air suction valve plate; after the cylinder cover is installed and tightened, the second sealing pressing strip is embedded into the second positioning groove, the pressing of the cylinder cover silencer installation groove is achieved, and therefore the pressing and pressure equalizing of the edge of the cylinder cover in a circle are achieved.
Preferably, the first sealing pressing strip is of an arc-shaped structure, and the second sealing pressing strip is of a straight strip-shaped structure. The first sealing hold-down and the cylinder bore sealing ribs pass through the same distribution circle. The pressing structure can be more uniform, and the sealing effect is better.
The utility model has the advantages that: (1) after the cylinder cover is installed and compressed, the acting force of the cylinder hole sealing rib acts on the valve plate, the edge of the cylinder hole is compressed by the valve plate and the air suction valve plate at intervals, and gas leakage is prevented; (2) the limiting stopper pressing block not only presses the limiting stopper, but also has a certain acting force on the valve plate and is matched with the cylinder hole sealing rib for sealing; (3) the cylinder cover body is provided with two positioning grooves, and the first positioning groove and the second positioning groove have two functions of positioning and 'matching and compressing' after the silencer is installed.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic structural view of the cylinder head body of the present invention;
fig. 3 is a schematic structural diagram of the middle silencer body of the present invention.
In the figure: the cylinder head body 1, the cylinder hole sealing rib 2, the limiter pressing block 3, the silencer mounting groove 4, the first positioning groove 5, the second positioning groove 6, the silencer body 7, the first sealing pressing strip 8 and the second sealing pressing strip 9.
Detailed Description
The invention is further described with reference to the accompanying drawings and specific embodiments.
Example 1:
as shown in fig. 1, fig. 2 and fig. 3, the pressure-equalizing sealing cylinder cover comprises a cylinder cover body 1, wherein the cylinder cover body 1 is of a bilateral symmetry structure, three cylinder hole sealing ribs 2 and two stopper pressing blocks 3 are arranged at positions of the cylinder cover body 1 corresponding to cylinder holes in a cylinder, and the cylinder hole sealing ribs 2, the stopper pressing blocks 3 and the cylinder cover body 1 are of an integrally formed structure. The cylinder hole sealing ribs 2 are of arc-shaped structures, and the three cylinder hole sealing ribs 2 are arranged on the same distribution circle. The cylinder hole sealing ribs 2 are symmetrically distributed on two sides of the symmetrical surface of the cylinder cover body 1, and the limiter pressing block 3 is arranged between the two adjacent cylinder hole sealing ribs 2. The two stopper pressing blocks 3 are symmetrically distributed on two sides of the symmetrical surface of the cylinder cover body 1. Still include muffler body 7, still be equipped with muffler mounting groove 4 on the cylinder head body 1, be provided with first constant head tank 5 and second constant head tank 6 on the lateral wall of muffler mounting groove 4 side by side, the one end setting of muffler body 7 is in muffler mounting groove 4, is equipped with on muffler body 7 with the first sealed strip 8 that compresses tightly of first constant head tank 5 adaptation to and with the sealed strip 9 that compresses tightly of second constant head tank 6 adaptation. The first sealing pressing strip 8 is of an arc-shaped structure, and the second sealing pressing strip 9 is of a straight strip-shaped structure.
In the technical scheme, the cylinder cover body 1 is of a bilateral symmetry structure, after the cylinder cover is installed and compressed, the acting force of the cylinder hole sealing rib 2 acts on the valve plate, the valve plate and the suction valve plate are separated, the edge of the cylinder hole is compressed, and gas leakage is prevented. And a plurality of cylinder hole sealing ribs 2 are arranged on the same distribution circle, and acting force is uniform. The cylinder cover body 1 is provided with two positioning grooves, the first positioning groove 5 and the second positioning groove 6 play two roles of positioning and matching and pressing after the silencer is installed, after the cylinder cover is installed and pressed, the first sealing pressing strip 8 presses and seals the lower part of a cylinder hole, and forms an annular pressing area with the cylinder hole sealing rib 2 and a limiter in a pressing mode, and the pressing and sealing of a circle around the cylinder hole are realized at intervals of a valve plate and an air suction valve plate; after the cylinder cover is installed and tightened, the second sealing pressing strip 9 is embedded into the second positioning groove 6, the pressing of the cylinder cover silencer installation groove 4 is achieved, and therefore the pressing and pressure equalizing of the periphery of the cylinder cover edge are achieved.
The utility model has the advantages that: (1) after the cylinder cover is installed and compressed, the acting force of the cylinder hole sealing rib acts on the valve plate, the edge of the cylinder hole is compressed by the valve plate and the air suction valve plate at intervals, and gas leakage is prevented; (2) the limiting stopper pressing block not only presses the limiting stopper, but also has a certain acting force on the valve plate and is matched with the cylinder hole sealing rib for sealing; (3) the cylinder cover body is provided with two positioning grooves, and the first positioning groove and the second positioning groove have two functions of positioning and 'matching and compressing' after the silencer is installed.
Claims (9)
1. The pressure-equalizing sealing cylinder cover is characterized by comprising a cylinder cover body, wherein a plurality of cylinder hole sealing ribs are arranged on the position, corresponding to cylinder holes in a cylinder, of the cylinder cover body, and the cylinder hole sealing ribs are arranged on the same distribution circle.
2. The pressure equalizing seal cylinder head as recited in claim 1, wherein said cylinder bore sealing ribs are of a circular arc configuration.
3. The pressure equalizing seal cylinder head as recited in claim 1 wherein said bore sealing ribs are symmetrically disposed on opposite sides of a plane of symmetry of the cylinder head body.
4. A pressure equalizing seal cylinder head as claimed in claim 1, 2 or 3 wherein said bore sealing ribs are three in number.
5. The pressure equalizing seal cylinder cover as claimed in claim 1, 2 or 3, wherein the cylinder cover body is provided with a stopper pressing block, and the stopper pressing block is arranged between two adjacent cylinder bore sealing ribs.
6. The pressure equalizing seal cylinder cover according to claim 5, wherein the number of the stopper pressing blocks is two, and the two stopper pressing blocks are symmetrically distributed on two sides of a symmetrical plane of the cylinder cover body.
7. The pressure equalizing seal cylinder cover as claimed in claim 5, wherein the cylinder bore sealing ribs, the retainer pressing blocks and the cylinder cover body are of an integrally formed structure.
8. The pressure equalizing sealing cylinder cover according to claim 1, 2 or 3, further comprising a muffler body, wherein the cylinder cover body is further provided with a muffler mounting groove, a first positioning groove and a second positioning groove are arranged on the side wall of the muffler mounting groove side by side, one end of the muffler body is arranged in the muffler mounting groove, and the muffler body is provided with a first sealing pressing strip adapted to the first positioning groove and a second sealing pressing strip adapted to the second positioning groove.
9. The pressure equalizing seal cylinder cover according to claim 8, wherein said first sealing beads are of an arc-shaped configuration and said second sealing beads are of a straight elongated configuration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022663860.7U CN214196606U (en) | 2020-11-17 | 2020-11-17 | Pressure-equalizing sealing cylinder cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022663860.7U CN214196606U (en) | 2020-11-17 | 2020-11-17 | Pressure-equalizing sealing cylinder cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214196606U true CN214196606U (en) | 2021-09-14 |
Family
ID=77645926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022663860.7U Active CN214196606U (en) | 2020-11-17 | 2020-11-17 | Pressure-equalizing sealing cylinder cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214196606U (en) |
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2020
- 2020-11-17 CN CN202022663860.7U patent/CN214196606U/en active Active
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