CN1186742A - Leading-out valve - Google Patents
Leading-out valve Download PDFInfo
- Publication number
- CN1186742A CN1186742A CN97120066A CN97120066A CN1186742A CN 1186742 A CN1186742 A CN 1186742A CN 97120066 A CN97120066 A CN 97120066A CN 97120066 A CN97120066 A CN 97120066A CN 1186742 A CN1186742 A CN 1186742A
- Authority
- CN
- China
- Prior art keywords
- valve
- cylinder body
- delivery valve
- space
- plug
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
In order to achieve an object of providing a delivery valve structure that facilitates insertion of the delivery valve and assures a sufficient strength of the valve holder. The holder constituting the delivery valve comprises a holding portion bent in an arc to press against the internal wall of a valve insertion space over a specific range and a regulating portion provided continuous to the holding portion with a larger radius of curvature than the radius of curvature of the holding portion to regulate the lift quantity of the roll valve.
Description
The present invention relates to a kind of delivery valve structure that is arranged on the discharge orifice place of compressor etc.
Delivery valve of the prior art comprises that Japan has examined the disclosed delivery valve of utility model communique No.S 62-34065.In this example delivery valve, valve backstop is shaped as seamless cylindrical shape, improving the mechanical strength of valve backstop, and with bolt delivery valve and valve backstop is fixed together, and it just is clamped between valve backstop and the valve pocket inwall like this.
In addition, the disclosed delivery valve of Japanese unexamined patent publication No.S 61-294185 comprises a valve plate that opens and closes discharge orifice, with a valve-supporting, it is inboard so that by clamping valve plate valve plate is fixed on the valve pocket that described valve-supporting is arranged on valve plate, it is characterized in that near the bending spring of valve-supporting excircle fixed area is substantially equal to the radius of valve plate, and its excircle has less bending spring near discharge orifice.
Yet, the problem that Japan has examined the disclosed delivery valve of utility model communique No.S 62-34065 is: because valve backstop is only contacted with valve pocket by the zone of valve pocket and bolt at it, therefore the vibration of the valve backstop that is caused by (being compressed material) pressure such as refrigerants just only is delivered on the joint portion of valve backstop and bolt, produce the problem of this part fatigue, cause valve backstop to be damaged.
The purpose of this invention is to provide delivery valve, it is convenient to the insertion of delivery valve and guarantees the sufficient intensity of valve holding element.
For achieving the above object, according to the invention provides a kind of delivery valve, comprise a roller valve, it is inserted in the cylindrical plug in valve space that is arranged on the cylinder body and opens and closes and the discharge orifice of plug in valve spatial communication and the holding element of a dancer rools valve lifting amount.Holding element comprises a retaining part and an adjusting part, retaining part is configured as arc and is pressed against in a particular range on the inwall of plugging in the valve space, regulate partly being connected in retaining part and its bending spring bending spring, with the lifting amount of dancer rools valve greater than retaining part.
Like this, according to the present invention, because the retaining part of holding element contacts with plug in valve space on than large tracts of land one, when abnormal pressure acted on the holding element, this pressure was just disperseed.
In addition, holding element can be shaped as the form of symmetry, and retaining part is divided into two parts, and each divided portion is connected to each side of regulating part.
Because holding element is the form of symmetry, when applying abnormal pressure, this pressure disperses about equably, therefore just can protect holding element reliably.
With reference to accompanying drawing, in conjunction with following description to most preferred embodiment, those skilled in the art can understand above-mentioned and further feature and advantage of the present invention better.In the accompanying drawing:
Fig. 1 is the cutaway view of vane compressor, shows according to delivery valve of the present invention;
Fig. 2 is the sectional view of vane compressor inner cylinder body, and this vane compressor has adopted according to delivery valve of the present invention;
Fig. 3 A shows the delivery valve of insertion state, and Fig. 3 B is a decomposition diagram, shows insertion process; With
Fig. 4 A shows the delivery valve of insertion state, and Fig. 4 B is a decomposition diagram, shows insertion process.
Below, be explained with reference to the drawings embodiments of the invention.
With reference to Fig. 1 and 2, at first explain the vane compressor 1 that a delivery valve 25 is installed.Compressor 1 is provided with a cylinder body 2 and a protecgulum 3 that is fixedly mounted on cylinder body 2 one sides with substantially elliptical inside face, and a rear side cylinder body 12 and a bonnet 4 are fixedly mounted on the opposite side of cylinder body 2 simultaneously.In addition, a rotor 5 is arranged within the cylinder body 2.Rotor 5 is fixed on the axle drive shaft 6, and the position in symmetry forms two spaces in cylinder body 2, and protecgulum 3 and bonnet 4 are by bearing 20 axially mounting axle drive shafts 6.
One group of blade groove 8 (5 blade grooves are arranged in the present embodiment) roughly is disposed radially, and is inserted with a blade 9 in each blade groove 8 slidably.The high pressure that acts on blade groove 8 has applied an external force to blade 9.Like this, along with rotor 5 rotations, the front end of blade 9 moves and keeps simultaneously contacting with the inside face of cylinder body 2, and changes volume to finish suction and compression when rotating with rotor by cylinder body 2, rotor 5, protecgulum 3, rear side cylinder body 12 and adjacent blades 9 osed top compression spaces 10.
On protecgulum 3, between itself and cylinder body 2, be provided with a low-voltage space 14, this low-voltage space 14 is communicated with a sucking hole (not shown) and also is communicated with space 7 through a sucking hole (not shown).This sucking hole is opened near long subsequent corrosion on the inside face of cylinder body 2, and space 7 is expanded gradually with respect to the hand of rotation of rotor 5 herein.Along with the increase in volume of compression space 10, the compressed material (for example refrigerant) that has entered low-voltage space 14 just flows into compression space 10 through sucking hole.
In addition, between rear side cylinder body 12 and cylinder body 2, be provided with a high pressure chest 17 on the bonnet 4.This high pressure chest 17 is communicated with a discharge orifice 18 and is communicated with a plug in valve space 23, plugs in valve space 23 and is arranged on the cylinder body 2 and explanation in detail hereinafter.
And, on cylinder body 2, be configured as axially aligning of columniform plug in valve space 23 and cylinder body 2, and be provided with the discharge orifice 24 that is communicated with compression space 10 and plug in valve space.Discharge orifice 24 is arranged on the cylinder body 2 on the relative mutually position, and discharge orifice 24 opens near short subsequent corrosion on the inner surface of cylinder block, diminishes gradually with respect to its space of hand of rotation of rotor 5.
The delivery valve 25 that is inserted in the valve space 23 comprises a roller valve 30 and a holding element 40, shown in Fig. 3 A and 3B.The roller valve 30 that is made of the elastic component of spring steel, steel, synthetic resin and so on comprises a retaining part 31 and a pair of lifting part 32 and 32, wherein retaining part 31 is substantially equal to or is slightly less than the length of plugging in valve space 23 in the axial direction, and extend perpendicular to the direction of retaining part 31 length on 32 edges of lifting part.Lifting part 32 stretches out with specific width from the ad-hoc location of retaining part 31, and the distance between two lifting parts 32 is substantially equal to the width between the paired discharge orifice 24.Like this, after loading onto roller valve 30, lifting part 32 is just blocked discharge orifice 24.
In addition, holding element 40 is made by the independent plate that synthetic resin and metal etc. constitutes, and comprise a retaining part 41 that bends to arc, the radius of this arc is slightly larger than the radius in cylindrical plug in valve space 23, and be inserted into when inserting in the valve space 23 when holding element 40, it is exerted pressure to the inwall of plugging in valve space 23 in 180 ° or bigger scope, holding element 40 also comprises an adjusting part 42 that bends to arc, and the radius of this arc is greater than the lifting amount of the radius and the dancer rools valve of retaining part 41.
Fig. 3 A shows the delivery valve 25 that is inserted in the valve space 23, and it comprises the roller valve 30 of the discharge orifice 24 that opening and closing are communicated with plug in valve space 23 and the holding element 40 of dancer rools valve 30 lifting amounts.By at first holding element 40 being inserted in the plug in valve space 23 of roller valve 30 insertions then under compressing stress delivery valve 25 is installed.When installation holding element 40 like this, restoring force opposite with compressing stress on the holding element 40 is just along the directive effect shown in the arrow among Fig. 3 A, like this holding element 40 just by this restoring force be fixed on insert in the valve space 23 and roller valve 30 by being fixed between the inwall that is clamped at holding element 40 and plug in valve space 23.Although should be noted that it is to utilize the restoring force of holding element and in this embodiment by means of the clamping pressure stationary roll valve 30 between holding element 40 and plug in valve space 23 inwalls, also can with roller valve 30 in advance point be welded on the holding element 40.
Fig. 4 A and 4B show second embodiment of holding element.Although the holding element among the holding element 40a among second embodiment and first embodiment 40 is the same to be to be made by the plate that an independent synthetic resin, metal etc. constitute, but it has the retaining part 41a of two separation, they are arranged on respectively continuously regulates part 42a both sides, to be pressed against on the inwall of plugging in valve space 23 in 180 ° or bigger scope.In addition, regulate part 42a and be bent to arc, the radius of this arc is greater than the radius of retaining part, and in order to the lifting amount of dancer rools valve.In other words, the retaining part 41a of two separation is shaped as to be symmetrical and to be connected in the both sides of regulating part 42a, the difference of second embodiment and last embodiment is its separative retaining part 41a, and when holding element 40a insert being inserted in the valve space 23, the direction that the shape of holding element 40a is inserted valve space 23 towards its can reach that to cause a left side/right side symmetrical.
Fig. 4 A shows the delivery valve 25 that is inserted in the valve space 23, and it comprises the roller valve 30 of the discharge orifice 24 that opening and closing are communicated with plug in valve space 23 and the holding element 40a of dancer rools valve 30 lifting amounts.By at first holding element 40a being inserted in the plug in valve space 23 of roller valve 30 insertions then under compressing stress delivery valve 25 is installed.When installation holding element 40a like this, holding element 40a goes up the restoring force opposite with compressing stress just along the directive effect shown in the arrow among Fig. 4 A, and holding element 40a just is fixed on the interior and roller valve 30 in plug in valve space 23 by being fixed between the inwall that is clamped at holding element 40a and plug in valve space 23 by this restoring force like this.Although should be noted that it is to utilize the restoring force of holding element and in this embodiment by means of the clamping pressure stationary roll valve 30 between holding element 40a and plug in valve space 23 inwalls, also can with roller valve 30 in advance point be welded on the holding element 40a.Now, as mentioned above, be installed into a left side/right side symmetry owing to constitute the holding element 40a of delivery valve 25 in the present embodiment towards the axis direction of plugging in the valve space, diad conforms to the direction of discharge orifice 24 discharging refrigerants, so the discharge pressure that is applied on the holding element 40a is evenly dispersed on the inwall of plugging in the valve space about just, therefore can improve the intensity of holding element 40a.
Just as explained above, according to the present invention, because holding element is contacting with plug in valve space on the large tracts of land very much, even when compressed materials such as refrigerant apply an abnormal pressure to holding element, this pressure also can be dispersed in one than on the large tracts of land, thereby prevent that holding element is impaired because of vibration, and can reduce wearing and tearing by the friction force on the contacted local area of holding element and plug in valve space.
In addition, by holding element being configured as the shape of a left side/right side symmetry, when compressed materials such as refrigerant apply abnormal pressure to holding element, this pressure can about disperse equably, thereby improve the intensity of holding element and protect holding element in order to avoid this pressure and impaired.
And, holding element is contacted with plug in valve space on than large tracts of land one, can easily guarantee the sufficient intensity of holding element, thereby when the thickness of slab of selecting holding element, material etc., have freely largely, and reduce cost.
Claims (19)
1. delivery valve comprises:
One columniform plug in valve space is arranged on the cylinder body of a closed compression machine compression space, and is communicated with a high pressure chest of described compressor vertically;
One group of discharge orifice, an end of each described discharge orifice are opened on the inwall in described plug in valve space, to be communicated with described plug in valve space and described compression space; With
One delivery valve comprises that one opens and closes the roller valve of described discharge orifice and the holding element of the described roller valve lifting amount of an adjusting, wherein:
Described roller valve comprises a retaining part and lifting part, described retaining part is in the described length that is substantially equal to or is slightly less than described plug in valve space on axially, and the described inwall along described plug in valve space extends outwardly into the position that described discharge orifice can be opened or closed to described lifting part from described retaining part; With
Described holding element comprises that one bends to the adjusting part that arc retaining part and is connected in described retaining part, described retaining part is by fixing the described retaining part of described roller valve on the described inwall that the described retaining part of described roller valve is pressed against described plug in valve space in a particular range, the described bending spring of regulating the bending spring of part greater than the described retaining part of described holding element is to regulate the described lifting amount of described roller valve.
2. delivery valve as claimed in claim 1 is characterized in that:
On described holding element, described retaining part is divided into two parts, is arranged on the described both sides of regulating part respectively continuously, causes symmetry to reach.
3. delivery valve as claimed in claim 1 is characterized in that:
Described retaining part described retaining part by described roller valve in 180 ° or bigger scope is pressed against on the described inwall in described plug in valve space.
4. delivery valve as claimed in claim 2 is characterized in that:
Described retaining part described retaining part by described roller valve in 180 ° or bigger scope is pressed against on the described inwall in described plug in valve space.
5. delivery valve as claimed in claim 1 is applied on the vane compressor and is arranged on opposed facing both sides on the described cylinder body.
6. delivery valve as claimed in claim 2 is applied on the vane compressor and is arranged on opposed facing both sides on the described cylinder body.
7. delivery valve as claimed in claim 3 is applied on the vane compressor and is arranged on opposed facing both sides on the described cylinder body.
8. delivery valve as claimed in claim 4 is applied on the vane compressor and is arranged on opposed facing both sides on the described cylinder body.
9. delivery valve as claimed in claim 5 is characterized in that:
Described vane compressor comprises that one is fixed on the protecgulum on the side of described cylinder body, one is fixed on the rear side cylinder body on the opposite side of described cylinder body, with one keep described rear side cylinder body and be provided with the bonnet of described high pressure chest, described plug in valve space be communicated with described high pressure chest and described delivery valve by the described axial restraint of described rear side cylinder body along described plug in valve space.
10. delivery valve as claimed in claim 6 is characterized in that:
Described vane compressor comprises that one is fixed on the protecgulum on the side of described cylinder body, one is fixed on the rear side cylinder body on the opposite side of described cylinder body, with one keep described rear side cylinder body and be provided with the bonnet of described high pressure chest, described plug in valve space be communicated with described high pressure chest and described delivery valve by the described axial restraint of described rear side cylinder body along described plug in valve space.
11. delivery valve as claimed in claim 7 is characterized in that:
Described vane compressor comprises that one is fixed on the protecgulum on the side of described cylinder body, one is fixed on the rear side cylinder body on the opposite side of described cylinder body, with one keep described rear side cylinder body and be provided with the bonnet of described high pressure chest, described plug in valve space be communicated with described high pressure chest and described delivery valve by the described axial restraint of described rear side cylinder body along described plug in valve space.
12. delivery valve as claimed in claim 8 is characterized in that:
Described vane compressor comprises that one is fixed on the protecgulum on the side of described cylinder body, one is fixed on the rear side cylinder body on the opposite side of described cylinder body, with one keep described rear side cylinder body and be provided with the bonnet of described high pressure chest, described plug in valve space be communicated with described high pressure chest and described delivery valve by the described axial restraint of described rear side cylinder body along described plug in valve space.
13. delivery valve as claimed in claim 1 is characterized in that:
The described elastomeric material that constitutes described roller valve is a spring steel.
14. delivery valve as claimed in claim 2 is characterized in that:
The described elastomeric material that constitutes described roller valve is a spring steel.
15. delivery valve as claimed in claim 12 is characterized in that:
The described elastomeric material that constitutes described roller valve is a spring steel.
16. delivery valve as claimed in claim 1 is characterized in that: described holding element is made by synthetic resin.
17. delivery valve as claimed in claim 13 is characterized in that: described holding element is made by synthetic resin.
18. delivery valve as claimed in claim 14 is characterized in that: described holding element is made by synthetic resin.
19. delivery valve as claimed in claim 15 is characterized in that: described holding element is made by synthetic resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97120066A CN1186742A (en) | 1996-10-07 | 1997-10-07 | Leading-out valve |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP284684/96 | 1996-10-07 | ||
| CN97120066A CN1186742A (en) | 1996-10-07 | 1997-10-07 | Leading-out valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1186742A true CN1186742A (en) | 1998-07-08 |
Family
ID=5175735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN97120066A Pending CN1186742A (en) | 1996-10-07 | 1997-10-07 | Leading-out valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1186742A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103032326A (en) * | 2011-09-29 | 2013-04-10 | 三菱电机株式会社 | Vane rotary compressor |
-
1997
- 1997-10-07 CN CN97120066A patent/CN1186742A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103032326A (en) * | 2011-09-29 | 2013-04-10 | 三菱电机株式会社 | Vane rotary compressor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP3567237B2 (en) | Compressor assembly with swaged shell | |
| CN1085303C (en) | Valved discharge mechanism of a refrigerant compressor | |
| DE102013200410B4 (en) | Gas pump with pressure relief to reduce the starting torque | |
| DE112009001893B4 (en) | Spiral compressor with improved backpressure control function | |
| DE4336713A1 (en) | Spiral compressor for vehicle air conditioning system - uses flanged screw and spring to control bush and weight on eccentric shaft | |
| EP3739166B1 (en) | Vacuum pump, scroll pump and method of manufacturing same and check valve | |
| RU2435677C9 (en) | Stabiliser support structure | |
| EP1377728B1 (en) | Rotary compressor | |
| US6325383B1 (en) | Sealing Arrangement | |
| EP0914561B1 (en) | Piston pump with a pipe segment as a bushing | |
| CN1186742A (en) | Leading-out valve | |
| EP0925445B1 (en) | Radial piston pump for high-pressure fuel supply | |
| EP1599673B1 (en) | Piston pump | |
| KR100258598B1 (en) | Delivery valve structure | |
| CA2080629A1 (en) | Orbiting rotary compressor with adjustable eccentric | |
| EP3535495B1 (en) | Reciprocating piston machine, in particular one-, two-, or three-stage piston compressor for a compressed air supply system of a vehicle | |
| DE19714894A1 (en) | Non-return outlet valve for compressor | |
| DE19807691B4 (en) | Compressor, in particular for an air conditioning system of a motor vehicle | |
| DE19906550C2 (en) | Coolant compressor and double-headed piston coolant compressor | |
| JPH11247759A (en) | Compressor and piston assembling method in compressor | |
| US5362218A (en) | Scroll type compressor with counterweight | |
| WO2007138093A1 (en) | Adjustable displacement pump | |
| JPH09273490A (en) | Structure of discharge valve | |
| CA2273739A1 (en) | Rotary compressor with continuous vane slot and a method to set slot width | |
| JP4263011B2 (en) | Reed valve and gas compressor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |