CN202274138U - Sliding valve - Google Patents
Sliding valve Download PDFInfo
- Publication number
- CN202274138U CN202274138U CN201120414039XU CN201120414039U CN202274138U CN 202274138 U CN202274138 U CN 202274138U CN 201120414039X U CN201120414039X U CN 201120414039XU CN 201120414039 U CN201120414039 U CN 201120414039U CN 202274138 U CN202274138 U CN 202274138U
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- China
- Prior art keywords
- valve
- valve body
- bowl
- mentioned
- depression
- 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.)
- Expired - Lifetime
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 22
- 238000005057 refrigeration Methods 0.000 claims abstract description 18
- 229920005989 resin Polymers 0.000 claims abstract description 6
- 239000011347 resin Substances 0.000 claims abstract description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 18
- 238000003780 insertion Methods 0.000 claims description 10
- 230000037431 insertion Effects 0.000 claims description 10
- 230000021615 conjugation Effects 0.000 description 21
- 239000000057 synthetic resin Substances 0.000 description 7
- 229920003002 synthetic resin Polymers 0.000 description 7
- 239000003795 chemical substances by application Substances 0.000 description 6
- 239000003507 refrigerant Substances 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000001815 facial effect Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000006200 vaporizer Substances 0.000 description 3
- 239000004952 Polyamide Substances 0.000 description 2
- 230000006837 decompression Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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Abstract
The utility model relates to a sliding valve, and the sliding valve is provided with a cheap reinforced pin which can ensure the mechanical strength of the sliding valve and does not damage a valve body of the sliding valve. In a valve chamber communicated with a high-pressure side equipped pipe for refrigeration cycle, the sliding valve is equipped with a valve seat, the valve body and a conducting object, wherein the valve seat is provided with a lower-pressure port and two conversion ports; the valve body is provided with a bowl-shaped recess formed by resin; the conducting object can be used for enabling the bowl-shaped recess of the valve body to be opposite to the lower-pressure port and two conversion ports of the valve seat, and moving the valve body so as to convert the lower-pressure port to be opposite to the two conversion ports by using the bowl-shaped recess of the valve body; the bowl-shaped recess of the valve body is internally equipped with the reinforced pin which transversely passes through the opening part of the bowl-shaped recess and then is inserted in the recess, and a reinforced-pin inserting part in which the reinforced pin is inserted is formed on the inside surface of the bowl-shaped recess; and the reinforced-pin inserting part is provided with a drill-down part.
Description
Technical field
The utility model relates to the employed guiding valve of refrigeration cycle of air conditioner.
Background technique
In the past; In the refrigeration cycle of conversion cooling operation and the air conditioner etc. that heats running, use compressor, as two heat exchangers of condenser or vaporizer, change the guiding valve (four-port conversion value) of the flow path of the refrigeration agent between these compressors and two heat exchangers.
As this guiding valve, patent documentation 1 disclosed technology is for example arranged.This four-port conversion value (guiding valve) with valve chamber that the high pressure side pipe arrangement of refrigeration cycle is communicated with in make the bowl-like depression of valve body relative with valve seat; And valve body is moved; The low pressure port of valve seat is communicated with a side conversion mouth; The opposing party's conversion mouth is communicated with the high pressure side pipe arrangement through valve chamber, thereby the conversion refrigeration agent is mobile.
In addition; Though constituting the valve body of such four-port conversion value can be formed by the parts that metal, synthetic resin or metal and resin coating combine; When but particularly valve body integral body is all formed by synthetic resin, because the sliding of synthetic resin is good, so can guarantee stable valve body action; And because the heat conductivity of synthetic resin is low, so can prevent the decline of the thermal efficiency of refrigeration cycle.
But under the situation that valve body integral body is all formed by synthetic resin, if on the slip surface of valve body, produce small distortion, then because the pressure difference of the inside and outside refrigerant gas of valve body, refrigeration agent is from this crushed element ejection, and revealing appears in refrigeration agent.
So, in order to improve the mechanical strength of valve body, the guiding valve of the four-port conversion value that has proposed to be put down in writing like patent documentation 1.Possess with the facial mode of the opening end that crosses bowl-shaped body near and insert the facial pin of opening end; And it is integrally formed with main body on the position facial near the opening end of main body; Axial direction from the main body outer surface along pin is projected near the convex edge of the position of the internal face of valve body (protuberance); Improved the mechanical strength of valve body by this pin, and guaranteed that the level and smooth fluid of valve inner moves.
But as shown in Figure 1 in the valve body that patent documentation 1 is put down in writing, there is sharp keen protuberance 71 in the two ends of pin 70, when inserting valve body, might damage valve body, owing to damage valve body by force, exist valve body that the danger in crack takes place under the worst situation.In addition, there is the high problem of cost in the processing of this protuberance 71.
The existing technology document
Patent documentation 1: TOHKEMY 2010-38320 communique
The model utility content
The utility model is the technological scheme that proposes in order to solve aforesaid problem points, and its purpose is, provides to have the mechanical strength that can guarantee guiding valve, and can not damage the guiding valve of the cheapness reinforcing pin of valve body.
The utility model relates to a kind of guiding valve; Its with valve chamber that the high pressure side pipe arrangement of refrigeration cycle is communicated with in set: be formed with the valve seat of low pressure port and two conversions mouthful and valve body with the bowl-like depression that forms by resin; Make above-mentioned valve body above-mentioned bowl-like depression and above-mentioned valve seat low pressure port and conversion mouthful relatively; And move above-mentioned valve body and utilize the above-mentioned bowl-like depression of above-mentioned valve body to change the conducting objects of above-mentioned low pressure port with respect to above-mentioned two conversions mouthful; Above-mentioned purpose realizes like this,, in the above-mentioned bowl-like depression of above-mentioned valve body, is equipped with the opening portion that crosses this bowl-like depression and the reinforcing pin that inserts that is; And on the internal surface of above-mentioned bowl-like depression, be formed with the reinforcing pin insertion part of inserting above-mentioned reinforcing pin, dig portion under above-mentioned reinforcing pin insertion part has.
The effect of the utility model is following.
According to the guiding valve of the utility model, because do not have sharp keen parts such as projection, so do not exist valve body that the possibility in crack takes place at the two ends that reinforce pin.In addition, can insert valve body reliably with reinforcing pin, can not reinforce the situation that pin comes off through the following portion of digging that reinforces the pin insertion part.And, when pin is reinforced in processing, because the projection manufacturing procedure high less than cost, so can make guiding valve at an easy rate.
Description of drawings
Fig. 1 is the explanatory drawing of the reinforcing pin of existing guiding valve.
Fig. 2 is the guiding valve of expression the utility model and the figure of refrigeration cycle.
Fig. 3 is plan view, left view, right elevation and the worm's eye view of valve body of the 1st mode of execution of the utility model.
Fig. 4 is the following enlarged view that digs part of valve body that is used to explain the 1st mode of execution of the utility model.
The sectional view of the state when Fig. 5 is the valve body of expression the 1st mode of execution of making the utility model.
Fig. 6 is another routine sectional view of production method of the valve body of expression the utility model.
Among the figure:
The 10-valve body, the 11-circular top part, the 11a-bowl-like depression, 11b-opening portion, 11c-are reinforced the pin insertion part; Dig portion under the 11c3-, the 12-slide part, 13-reinforces pin, A-guiding valve, 55-valve seat; 55a-E mouth (conversion mouth), 55b-S mouth (low pressure port), 55c-C mouth (conversion mouth), 56d-D conjugation tube (high pressure side pipe arrangement).
Embodiment
Then, describe with reference to the guiding valve of accompanying drawing the utility model.Fig. 2 is the guiding valve of expression the utility model and the figure of refrigeration cycle.The guiding valve A of this model utility is a four-port conversion value, and this guiding valve A utilizes pipe arrangement to be connected with control valve B.The valve casing of guiding valve A is made up of the cylindrical part 51 of drum and cap 52a, the 52b at two ends thereof, and portion accommodates to utilize and links two piston 54a, the 54b that parts 53 link each other within it.Thus, the inside of valve casing is separated into the main valve chamber 51a of central part and two secondary valve chamber 51b, the 51c of both sides.
Intermediate portion in main valve chamber 51a is equipped with valve seat 55, on valve seat 55, is equipped with the valve body 10 of this mode of execution that slides along the axis L1 direction of valve casing.Axis L1 direction at valve seat 55 upper edge valve casings is formed with E mouth 55a, S mouth 55b and C mouth 55c point-blank side by side, on these E mouths 55a, S mouth 55b, C mouth 55c, is separately installed with E conjugation tube 56a, S conjugation tube 56b, C conjugation tube 56c.In addition, valve casing is equipped with D conjugation tube 56d on the position relative with the valve seat of intermediate portion 55.In addition, E mouth 55a and C mouth 55c are " conversion mouth ", and S mouth 55b is " low pressure port ".In addition, D conjugation tube 56d is equivalent to " high pressure side pipe arrangement ".
Valve body 10 embeds the central authorities that link parts 53, and this valve body 10 has with gap a little in axis L direction and is held with respect to linking parts 53.And, move as if piston 54a, 54b, then valve body 10 links and on valve seat 55, slides with linking parts 53, and stops on the position about being scheduled to.
S conjugation tube 56b utilizes low-voltage tube 6a to be connected with the suction port of compressor 20, and D conjugation tube 56d utilizes high-voltage tube 6b to be connected with the exhaust port of compressor 20.C conjugation tube 56c utilizes conduit 6c to be connected with outdoor heat converter 30, and E conjugation tube 56a utilizes conduit 6d to be connected with indoor heat converter 40.Outdoor heat converter 30 and indoor heat converter 40 are through throttling arrangement 50 and utilize conduit 6E to be connected.Path that utilization is made up of C conjugation tube 56c, outdoor heat converter 30, throttling arrangement 50, indoor heat converter 40 and E conjugation tube 56a and the path that is made up of S conjugation tube 56b, compressor 20 and D conjugation tube 56d constitute refrigeration cycle.
Control valve B utilizes conduit 7a, 7b, 7c, 7d to be connected with guiding valve A.Control valve B has the valve body identical with the valve body 10 of guiding valve A and valve seat 55 and the structure of valve seat, utilizes electromagnetic plunger etc. that valve body is moved and changes runner.And; Change the connecting object of the conduit 7a that is communicated with the S conjugation tube 56b of guiding valve A by the conduit 7b that is communicated with the secondary valve chamber 51b in the left side of guiding valve A, the conduit 7c that is communicated with the secondary valve chamber 51c on right side; Meanwhile, change the connecting object of the conduit 7d that is communicated with the D conjugation tube 56d of guiding valve A by conduit 7c and conduit 7b.Promptly, conversion is to the state of the secondary valve chamber 51b decompression in the left side of guiding valve A with to the state of the secondary valve chamber 51c decompression on right side.Thus; The pressure difference of the pressure of the high pressure of the post-decompression secondary valve chamber 51b of guiding valve A or the pressure of 51c and main valve chamber 51a is applied on the piston 54a or 54b of post-decompression secondary valve chamber 51b or 51c side; Piston 54a or 54b and valve body 10 utilize this pressure difference mainly to post-decompression secondary valve chamber 51b or 51c side shifting; The position of this valve body 10 is changed, thereby the runner of refrigeration cycle is changed.
The high-pressure refrigerant that is compressed machine 20 compressions flow in the main valve chamber 51a from D conjugation tube 56d.Under the state of the cooling operation of Fig. 2, the high-pressure refrigerant that flow in the main valve chamber 51a flow into outdoor heat converter 30 through C mouth 55c.In addition, under the state that heats running of having changed valve body 10, high-pressure refrigerant flow into indoor heat converter 40 from E mouth 55a.Promptly, when cooling operation, the refrigeration agent of discharging from compressor 20 circulates through C conjugation tube 56c → outdoor heat converter 30 → throttling arrangement 50 → indoor heat converter 40 → E conjugation tube 56a.At this moment, outdoor heat converter 30 works as condenser (condenser), and indoor heat converter 40 works as vaporizer (evaporator).In addition, heating when running, the refrigeration agent recycled back, indoor heat converter 40 works as condenser, and outdoor heat converter 30 works as vaporizer.
As stated, in the refrigeration cycle running, become high pressure through high-pressure refrigerant in the main valve chamber 51a, become low pressure through low pressure refrigerant in the bowl-like depression 11a of valve body 10.
Fig. 3 is plan view (Fig. 3 (a)), left view (Fig. 3 (b)), right elevation (Fig. 3 (d)) and the worm's eye view (Fig. 3 (c)) of valve body of the 1st mode of execution of the utility model.This valve body 10 forms through synthetic resin is carried out injection molded, and the resin use amount is below 50g, has the circular top part 11 of semiellipsoid shape roughly and forms the slide part 12 of chimb shape in the lower, outer perimeter of this circular top part 11.Be formed with bowl-like depression 11a in the inboard of circular top part 11, the lower surface 12a of slide part 12 and not shown valve seat sliding contact.
In bowl-like depression 11a, be inserted with and reinforce pin 13 with the mode of the opening portion 11b that crosses this bowl-like depression 11a.Reinforcing pin 13 forms bar-shaped by metals such as stainless steels.In addition, the internal surface at bowl-like depression 11a is formed with reinforcing pin insertion part 11c.In addition, as shown in Figure 4, reinforce form on the pin insertion part 11c by under dig the 11c3 of portion.And, embed the mode bracing reinforcement pin 13 that digs the 11c3 of portion down with the two end part that reinforce pin 13.In the part that the bottom of circular top part 11 and slide part 12 link, be formed with the chimeric lug boss 14 chimeric with above-mentioned binding parts 53.
Fig. 5 is the sectional view of the state of the above-mentioned valve body of expression when making.Utilization becomes the mo(u)ld bottom half 24 of the inner surface configuration of valve body 10, mo(u)ld top half 28 and the push rod 27 that becomes the external surface shape of valve body 10 made valve body.Push rod 27 is arranged on the assigned position of mo(u)ld bottom half, and mo(u)ld top half was put on mo(u)ld bottom half 24 in 28 years,, for polyamide (PA) injects, after the cooling mo(u)ld top half 28 is separated with mo(u)ld bottom half 24 and somatotype in the utility model synthetic resin from inlet 29.Afterwards, valve body is taken out from mo(u)ld bottom half 24 with the mode of forced stripper mechanism by push rod 27.
As for the production method of reinforcing pin 13, as long as satisfy the intensity of regulation, can use metallic material arbitrarily, still preferred stainless steel owing to have high strength anti.Because the reinforcing pin of this mode of execution 13 is bar-shaped, so can wait manufacturing simply through cutting off processing.
To reinforce pin and be installed to 10 last times of valve body, insert the reinforcing pin 13 that two ends do not have projection, and reinforce pin 13 and be reinforced pin insertion part 11c and support through opening portion 11b from the bowl-like depression 11a of valve body 10.In addition, because, can not come off from the bowl-like depression 11a of valve body 10 so reinforce pin 13 by digging the load of extracting that the 11c3 of portion has guaranteed to reinforce pin 13 down.
According to above-mentioned mode of execution, by the following 11c3 of portion that digs that reinforces pin insertion part 11c, can insert valve body 10 reliably with reinforcing pin 13, can not come off thereby reinforce pin 13.In addition, because do not have sharp keen parts such as projection, so when being installed to valve body 10, do not have the danger that the crack takes place on the valve body 10 at the two ends that reinforce pin 13.Also have,, owing to there is not the high projection manufacturing procedure of cost, reduced cost so compare with existing guiding valve as for the processing of reinforcing pin 13.
In addition; Though the employing forced stripper mechanism digs portion under forming in this mode of execution; But also can adopt method as shown in Figure 6; Promptly inject resin to the mould that constitutes by mo(u)ld bottom half 24A, mo(u)ld top half 28A, after the cooling mo(u)ld top half 28A is separated with mo(u)ld bottom half 24A, valve body 10 is taken out through slide block 27A from inlet 29A.
Claims (1)
1. guiding valve; With valve chamber that the high pressure side pipe arrangement of refrigeration cycle is communicated with in set: be formed with the valve seat of low pressure port and two conversions mouthful and valve body with the bowl-like depression that forms by resin; Make above-mentioned valve body above-mentioned bowl-like depression and above-mentioned valve seat low pressure port and conversion mouthful relatively; And move above-mentioned valve body and utilize the above-mentioned bowl-like depression of above-mentioned valve body to change the conducting objects of above-mentioned low pressure port with respect to above-mentioned two conversions mouthful
This guiding valve is characterised in that,
In the above-mentioned bowl-like depression of above-mentioned valve body, be equipped with the opening portion that crosses this bowl-like depression and the reinforcing pin that inserts, and on the internal surface of above-mentioned bowl-like depression, be formed with the reinforcing pin insertion part of inserting above-mentioned reinforcing pin,
Under having, above-mentioned reinforcing pin insertion part digs portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120414039XU CN202274138U (en) | 2011-10-24 | 2011-10-24 | Sliding valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120414039XU CN202274138U (en) | 2011-10-24 | 2011-10-24 | Sliding valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202274138U true CN202274138U (en) | 2012-06-13 |
Family
ID=46194499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120414039XU Expired - Lifetime CN202274138U (en) | 2011-10-24 | 2011-10-24 | Sliding valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202274138U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107654694A (en) * | 2016-07-26 | 2018-02-02 | 株式会社鹭宫制作所 | Valve element, reversal valve, the manufacture method of valve element and refrigerating circulation system |
-
2011
- 2011-10-24 CN CN201120414039XU patent/CN202274138U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107654694A (en) * | 2016-07-26 | 2018-02-02 | 株式会社鹭宫制作所 | Valve element, reversal valve, the manufacture method of valve element and refrigerating circulation system |
| CN107654694B (en) * | 2016-07-26 | 2019-05-21 | 株式会社鹭宫制作所 | Spool, reversal valve, the manufacturing method of spool and refrigerating circulation system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120613 |
|
| CX01 | Expiry of patent term |