CN108895189A

CN108895189A - A kind of safety-type angle valve

Info

Publication number: CN108895189A
Application number: CN201811093224.6A
Authority: CN
Inventors: 洪炳开
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-09-19
Filing date: 2018-09-19
Publication date: 2018-11-27
Anticipated expiration: 2038-09-19
Also published as: CN108895189B

Abstract

The present invention discloses a kind of safety angle valve, includes valve body, spool and linkage flap；Valve body has water inlet, water outlet and water control mouth, and valve body has the inlet segment of corresponding water inlet, and the lateral wall of the inlet segment is equipped with the external screw thread for installing angle valve, is convexly equipped with valve ring on the inner sidewall of the inlet segment；Inlet and outlet are in 90 degree of turnings, spool is located at corner, spool has the first end and second end respectively corresponded towards water inlet and water control mouth, is spirally connected between the second end of spool and the inlet segment of valve body by internal screw thread, and the second end end of the spool is limited by valve ring；The flap matching that links is set to the valve ring position of inlet segment, and linkage flap is assembled by spool and spring part with cooperation and the conducting that valve ring is separated from each other.This case realize fracture angle valve intercept water automatically, in this can prevent leak generation and well avoid leak that from may causing various safety problems, greatly promote angle valve crack security, it is practical.

Description

A kind of safety-type angle valve

Technical field

The present invention relates to angle valve water heating fittings technical field, in particular to a kind of safety angle valves.

Background technique

Angle valve, that is, angle stop valves is a kind of important water heating fittings, is mainly used to transfer interior out outlet, adjusting water The effects of pressure, leak switch, beauty, is chiefly used in the hydropower installation of repairs profession at present, civilian and industrial all very universal.Such as Fig. 4 is existing angle valve structure, includes valve body 1' and spool 2', and valve body 1' has water inlet 11', water outlet in three-port structure 12', water control mouth 13', water inlet 11' are turned by screw thread 16' connection water pipe 4', water inlet 11' and water outlet 12' in 90 degree Angle, spool 2' are located at corner, and the lower end of spool 2' is supported by the boss 15' being arranged on valve body 1' inner sidewall, spool 2''s Upper end is spirally connected by screw thread 14' and valve body 1', and the upper end of spool 2' is also connected with handwheel 3', and handwheel 3' stretches out water control mouth 13'。

The existing angle valve structure is in use, and one of accident most frequently occurred is exactly valve body breakage problem, cleavage Be set to position at screw thread 14' and screw thread 16' two, this at two screw position internal stress structure itself it is weaker, along with every now and then Screwed apart screwing operations are carried out, so becoming the occurrence of location of valve body fracture, the valve body fracture occurs for angle valve structure at present When, water pipe leak safety problem will necessarily be caused, be typically due to prevent without discovery in time, the interior that a large amount of leaks cause is unrestrained The secondary safety problem such as water, wall damage, electrical damage.And when screw thread 14' generation crack conditions, it can not only cause leak, And spool 2' is easy to be trapped in not easy to disassemble in valve body when repairing, and influences maintenance operation.

In consideration of it, inventor furthers investigate the above problem, and proposes a kind of safety angle valve, this case is thus It generates.

Summary of the invention

The purpose of the present invention is to provide a kind of safety angle valves, are improved by ingenious ground structure, there is valve body to occur disconnected The function that leak is prevented when splitting, thus avoids that above-mentioned various safety problems occur well, fool proof and practical.

In order to achieve the above objectives, solution of the invention is：

A kind of safety angle valve includes valve body, spool and linkage flap；Valve body has water inlet, water outlet and water Control mouth, valve body have the inlet segment of corresponding water inlet, and the lateral wall of the inlet segment is equipped with the external screw thread for installing angle valve, Valve ring is convexly equipped on the inner sidewall of the inlet segment；Inlet and outlet are in 90 degree of turnings, and spool is located at corner, spool tool There is the first end and second end respectively corresponded towards water inlet and water control mouth, between the second end of spool and the inlet segment of valve body It is spirally connected by internal screw thread, and the second end end of the spool is limited by valve ring；The flap matching that links is set to the valve of inlet segment Knocker position, linkage flap are assembled by spool and spring part with cooperation and the conducting that valve ring is separated from each other.

Described linkage flap one end is kept out by spool, and the other end makees the elasticity being separated from each other with valve ring by compressed spring Limit.

The linkage flap is frustum cone structure of the bottom surface towards water inlet side, and corresponding Sealing Surface is the side of rotary table Face；The Sealing Surface of valve ring is in the anchor ring to match with frustum cone side.

Correspondence spool and valve interannular in the inlet segment are equipped with the first ring set part, an end face of the first ring set part By valve ring limited support, the second end end of spool is supported on the other end of the first ring set part.

The first ring set part and valve interannular are equipped with seal washer.

O-ring seal is installed on the second end end of the spool, is corresponded to recessed on the other end of the first ring set part There is the annular groove set for O-ring seal.

Correspondence in the inlet segment is provided with the second ring set part close to water inlet position, and the both ends of compressed spring are supported respectively It leans against on linkage flap and the second ring set part.

The second ring set part is assemblied in inlet segment by internal thread structure.

The inlet segment of the valve body, which extends, is equipped with undergauge extended segment, and the second ring set part is installed in the undergauge extended segment.

After adopting the above scheme, a kind of safety angle valve of the present invention, beneficial effect compared with the existing technology are：This case The main innovation point of angle valve is the setting linkage flap mechanism in valve body, and makees position change to the helicitic texture of installation spool It changes, under the premise of ensuring spool assemble stable, when valve body fracture occurs, i.e. external screw thread on valve body or internal screw thread position It sets when being broken, spool is separated with valve body therewith, and what the flap that links at this time lost spool keeps out limit, elastic by compressed spring Stretching, extension resets, and linkage flap can be driven to make the movement of automatic closing valve knocker, realize that the angle valve of fracture intercepts water automatically, in this energy The various safety problems for enough preventing the generation of leak and avoiding leak that may cause well, greatly promote angle valve fracture safe Property, it is practical.

Detailed description of the invention

Fig. 1 is the schematic diagram of safety angle valve of the present invention；

Fig. 2 is the schematic diagram of the first ring set part of the invention；

Fig. 3 is the schematic diagram of the second ring set part of the invention；

Fig. 4 is the schematic diagram of existing angle valve.

Valve body 1, inlet segment 10, external screw thread 101, valve ring 102, internal screw thread 103,

Internal thread structure 104, undergauge extended segment 105, water inlet 11,

Water outlet 12, water control mouth 13, spool 2, link flap 3, spring part 4,

First ring set part 5, annular groove 51, the second ring set part 6, seal washer 71,

O-ring seal 72, handwheel part 8 connect water pipe 9.

Specific embodiment

This case is described in further detail With reference to embodiment.

This case is related to a kind of safety angle valve, as shown in Figure 1-3, mainly include valve body 1, spool 2, linkage flap 3 and Spring part 4.

Valve body 1 is in three-port structure, with water inlet 11, water outlet 12 and water control mouth 13, water inlet 11 and water outlet Mouth 12 is in 90 degree of turnings.Valve body 1 has the inlet segment 10 of corresponding water inlet 11, similarly has the water exit end of corresponding water outlet 12. Then inlet segment 10 is connected with water exit end in 90 degree of turnings.

When the lateral wall of the inlet segment 10 is equipped with the external screw thread 101 for installing angle valve, i.e. angle valve peace application dress, lead to The external screw thread 101 is crossed to be threadedly coupled with related accessory (for example connecting water pipe 9 in embodiment).Projection on the inner sidewall of inlet segment 10 There is valve ring 102.Assuming that close water exit end one end of inlet segment 10 is high point, then water inlet 11 is low spot at one end, outer spiral shell High-end (the D1 marker location in such as figure) of line 101 would generally become an easy breakpoint of valve body 1, and valve ring 102 is on inlet segment 10 Setting position be high-end setting lower than external screw thread 101, the easy breakpoint setup of valve body 1 is avoided with this.

Spool 2 is located at the corner in valve body 1, and spool 2, which has, to be respectively corresponded towards water inlet 10 and water control mouth 13 First end and second end, the first end of spool 2 extends to water control mouth 13, with the handwheel part 8 in water control mouth 13 Connection, to realize that the opening and closing to spool 2 operates by handwheel part 8.Lead between the second end of spool 2 and the inlet segment 10 of valve body 1 It crosses internal screw thread 103 to be spirally connected, and the second end end of the spool 2 is limited by valve ring 102.Spool 2 passes through internal screw thread 103 and valve The limit cooperation of knocker 102, realizes the firm assembly in valve body 1.The internal screw thread 103 is spirally connected, and (D2 is marked in such as figure for position Show position) it would generally be as another easy breakpoint of valve body 1.Two groups of easy breakpoints of screw thread that valve body 1 is unavoidably arranged for this case (D1, D2) Relatively centralized is set on inlet segment 10 and ortho position is in the second end position of spool 2, in this when generation valve body fracture When, it can be ensured that spool 2 is separated with remaining body portion, is first conducive to the linkage action of linkage flap 3, is second conducive to fracture Maintenance afterwards.In addition, internal screw thread 103 and external screw thread 101 are designed on inlet segment 10 in order to reduce the probability of the fracture of valve body 1 Just to shift to install, that is, avoid inside and outside arranged in a crossed manner.

The matching of flap 3 that links is set to 102 position of valve ring of inlet segment 10, and linkage flap 3 is kept out by spool 2 and spring Part 4 is assembled with cooperation and the unlatching that valve ring 102 is separated from each other.It (is broken when linkage flap 3 loses when spool 2 is kept out When), linkage flap 3 restores the automatic closure for making to abut each other with valve ring 102 by 4 elasticity of spring part and assembles.

Preferably, this case provides a specific assembly embodiment of linkage flap 3, and linkage flap 3 is set lower than valve ring 102 It sets, linkage 3 one end of flap is kept out by spool 2, and the flap 3 that specifically links is extended with a valve rod and extremely leans with spool 2, interstage valve 3 other end of valve has compressed compressed spring, makees elastic spacing to linkage 3 other end of flap by compressed spring.It is supported by spool 2 toward low level Gear makes it be separated from each other setting with valve ring 102, elastic by compressed spring when linkage flap 3 loses in the case of spool 2 keeps out Stretching, extension restores, and linkage 3 stress of flap is shifted toward eminence automatic elastic, realizes with valve ring 102 against closure.

Further, cooperated to be conducive to linkage flap 3 and valve ring 102 between closure function, the two using round table surface Structure, the i.e. main body of linkage flap 3 are frustum cone structure of the bottom surface towards 10 side of water inlet, and corresponding Sealing Surface is rotary table Side；The Sealing Surface of valve ring 102 is in the anchor ring to match with frustum cone side.By using the expanding oblique ring from a high position to low level Face design, it is ensured that linkage flap 3 can smooth contraposition slide into valve ring 102, conducive to the limit of 102 pairs of valve ring linkage flaps 3 Realize that the two is mutually closed effect.In addition to being conducive to the compactness being closed between valve ring 102 and linkage 3 the two of flap, in two Sealing element is also provided in the Sealing Surface of person.

Preferably, in order to be conducive to assembly, the first ring is equipped between the correspondence spool 2 in inlet segment 10 and valve ring 102 External member 5, then an end face of the first ring set part 5 is by 102 limited support of valve ring, the second end end of spool 2 be supported on this first On the other end of ring set part 5.As shown in Fig. 2, the first ring set part 5 includes ring set body 51, mounting groove 52, connects the ring set body 51 Several connection sheets 53 (three pieces are arranged in specific embodiment) being integrated with mounting groove 52 are equipped with communication port between adjacent tabs 53 54.First ring set part 5 plays transition connection support, while ensuring that the water inlet access of inlet segment 10 is smooth, and in addition link flap 3 The corresponding mounting groove 52 that penetrates through of valve rod realizes effective position.

Further, in order to reinforce the leakproofness of inlet segment 10, gasket is equipped between the first ring set part 5 and valve ring 102 Circle 71.In addition O-ring seal 72 is installed on the second end end of spool 2, corresponded to recessed on the other end of the first ring set part 5 There is the annular groove 51 set for O-ring seal 72.

Preferably, the limit set-up mode of the compressed spring is, in the correspondence in inlet segment 10 close to water inlet 11 It installs and is equipped with the second ring set part 6, the both ends of compressed spring are born against on linkage flap 3 and the second ring set part 6.In order to be conducive to The firm setting of compressed spring, linkage flap 3 are equipped with loop bar, and compressed spring is set on loop bar.Second ring set part 6 is in inlet segment 10 Assembly method, a kind of preferred embodiment, the second ring set part 6 by internal thread structure 104 assembly with inlet segment 10 in.It is preferred that , the structure of the second ring set part 6 is similar to the first ring set part 5, i.e. the second ring set part 6 includes ring set body 61, mounting groove 62, connection Several connection sheets 63 (three pieces are set in specific embodiment) that the ring set body 61 and mounting groove 62 are integrated, between adjacent tabs 63 Equipped with communication port 64.Second ring set part 6 plays limit compressed spring effect, while ensuring that the water inlet access of inlet segment 10 is smooth, In addition the corresponding mounting groove 62 that penetrates through of the loop bar of linkage flap 3 realizes effective position.

Further, it is installed in inlet segment 10 to be conducive to the second ring set part 6, needs to make extension design to inlet segment 10, Specific embodiment, the inlet segment 10 of valve body 1, which extends, is equipped with undergauge extended segment 105, and the second ring set part 6 is installed on the undergauge extended segment In 105.The purpose of undergauge design is to be conducive to external screw thread 101 and act on the spiral installation for connecting water pipe 9.

The safety-type angle valve main innovation point of this case is to link flap mechanism design and a series of corresponding by its bring Design.Angle valve is mounted on connection water pipe 9, and when normal use, linkage flap 3 is by 4 collective effect of spool 2 and spring part, linkage Flap 3 is separated from each other with valve ring 102, and the water inlet road of valve body 1 is in the conductive state, and the water that water inlet 11 inputs passes sequentially through the Two ring set parts 6, valve ring 102, the first ring set part 5, lead to spool 2, open spool 2 by rotation hand wheel part 8, water passes through spool 2 smoothly send to water outlet 12.When fracture (D1 or D2) occurs in valve body 1, the breaking portion and spool 2 of valve body 1 are from connection It is separated on water pipe 9,3 moment of flap of linking at this time loses the pressure of keeping out of spool 2, and the real-time automatic elastic of spring part 4 resets, and drives Linkage flap 3 is nested on valve ring 102 toward 102 direction of valve ring is mobile until sealing, then cooperates the hydraulic pressure in water inlet direction Auxiliary is realized and is tightly connected water pipe 9 effectively to reach and prevent fracture leak effect, greatly improves the safety in angle valve use Energy.The safety-type angle valve structure of this case carries safe water stopping function, and design is succinct, flexible, and no setting is required, and the complexity such as sensing device is tied Structure, practicability are extremely strong.

The above description is only a preferred embodiment of the present invention, all equivalent changes done with scope of the invention as claimed and Modification, should belong to the range of the claims in the present invention.

Claims

1. a kind of safety angle valve, it is characterised in that：It include valve body, spool and linkage flap；Valve body has water inlet, water outlet Mouth and water control mouth, valve body have the inlet segment of corresponding water inlet, and the lateral wall of the inlet segment is equipped with for installing angle valve External screw thread, be convexly equipped with valve ring on the inner sidewall of the inlet segment；Inlet and outlet are in 90 degree of turnings, and spool is located at turning Place, spool have the first end and second end respectively corresponded towards water inlet and water control mouth, the second end and valve body of spool Inlet segment between be spirally connected by internal screw thread, and the second end end of the spool is limited by valve ring；Linkage flap matching is set to The valve ring position of inlet segment, linkage flap are assembled by spool and spring part with cooperation and the conducting that valve ring is separated from each other.

2. a kind of safety angle valve as described in claim 1, it is characterised in that：Described linkage flap one end is kept out by spool, The other end makees the elastic spacing being separated from each other with valve ring by compressed spring.

3. a kind of safety angle valve as claimed in claim 1 or 2, it is characterised in that：The linkage flap be bottom surface towards into The frustum cone structure of mouth of a river side, corresponding Sealing Surface are the side of rotary table；The Sealing Surface of valve ring be in and frustum cone side phase The anchor ring matched.

4. a kind of safety angle valve as described in claim 1, it is characterised in that：Correspondence spool and valve in the inlet segment Interannular is equipped with the first ring set part, and an end face of the first ring set part is by valve ring limited support, the second end end branch of spool Support is on the other end of the first ring set part.

5. a kind of safety angle valve as claimed in claim 4, it is characterised in that：The first ring set part is equipped with valve interannular Seal washer.

6. a kind of safety angle valve as claimed in claim 4, it is characterised in that：It is equipped on the second end end of the spool The other end of O-ring seal, corresponding first ring set part is concavely provided with the annular groove set for O-ring seal.

7. a kind of safety angle valve as described in claim 1, it is characterised in that：Correspondence in the inlet segment is close to water inlet Position is provided with the second ring set part, and the both ends of compressed spring are born against on linkage flap and the second ring set part.

8. a kind of safety angle valve as claimed in claim 7, it is characterised in that：The second ring set part passes through internal thread structure It is assemblied in inlet segment.

9. a kind of safety angle valve as claimed in claim 7, it is characterised in that：The inlet segment of the valve body, which extends, is equipped with undergauge Extended segment, the second ring set part are installed in the undergauge extended segment.