CN104061383B - The attachment structure of valve body and joint in a kind of central heating valve - Google Patents
The attachment structure of valve body and joint in a kind of central heating valve Download PDFInfo
- Publication number
- CN104061383B CN104061383B CN201410338502.5A CN201410338502A CN104061383B CN 104061383 B CN104061383 B CN 104061383B CN 201410338502 A CN201410338502 A CN 201410338502A CN 104061383 B CN104061383 B CN 104061383B
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- China
- Prior art keywords
- joint
- valve body
- annular groove
- attachment structure
- central heating
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on or into one of the joint parts
- F16L19/02—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member
- F16L19/0212—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member using specially adapted sealing means
- F16L19/0218—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member using specially adapted sealing means comprising only sealing rings
Abstract
The invention provides the attachment structure of valve body and joint in a kind of central heating valve, belong to valve technology field.It solve when the active joint of existing central heating valve is connected with valve body and easily insert curved problem.The attachment structure of valve body and joint in this central heating valve, valve inner is cavity, valve body has the link communicated with cavity, this attachment structure includes joint the inner, locking nut and the annular groove being opened on the end face of link, joint the inner is cylindrically, and this joint the inner is plugged in annular groove, gear edge and this locking nut inside locking nut with protrusion are threadeded with link, the outside of joint outer end has annular convex shoulder, and gear is along being resisted against on annular convex shoulder and make joint the inner seal being fixed in annular groove.In this central heating valve, the attachment structure of valve body and joint has joint and can in order to be stably inserted the advantage in valve body.
Description
Technical field
The invention belongs to valve technology field, relate to the attachment structure of valve body and joint in a kind of central heating valve, particularly a kind of central heating valve.
Background technology
Before automatic temperature control heating valve on caliduct is generally arranged at radiator import, one end connects radiator, the other end connects caliduct, it is provided with for automatic temperature-controlled thermometer bulb in valve body, thermometer bulb is according to ambient temperature harmomegathus, and the lower end of its extensible member is connected with the valve rod of valve by driving member or transmission component.Automatic constant-temperature central heating valve is to utilize the temperature-sensing element in temperature control valve head to control the size of valve liter degree.
Its operation principle is when room temperature raises, and because of expansion, compression valve rod makes valve turn down to temperature-sensing element.Its temperature-adjusting device worked alone being made up of central heating valve and thermostat, when room temperature is lower than thermostat set value, hot water is just by valve inflow radiator, such space air is heated until the temperature value of setting, at this moment in thermostat, liquid can expand, causing that valve backing is forced into valve by valve car and does, hot water is just no longer flow into radiator, and air is no longer heated.When room temperature declines, the liquid contraction in detector causes that valve is opened again, and starts again at heating process, and thus circulation reaches the purpose of constant temperature.
Active joint [application number: 201220392147.6 such as a kind of central heating valve that Chinese patent literature data openly proposes；Authorization Notice No.: CN202733234U], the valve body of central heating valve has the adapter communicated with its inner chamber, this active joint is positioned at adapter place, this active joint includes lock nut and connecting tube, described lock nut is threadeded with above-mentioned adapter and has the gear edge of protrusion inside lock nut, the outside of above-mentioned connecting tube end has the shoulder block of protrusion, described adapter port has the contact surface one of inclination, described connecting tube end has the contact surface two matched with contact surface one, and above-mentioned gear is along being resisted against on shoulder block and making contact surface one and contact surface two close contact.
When this active joint uses, it is necessary to after first connecting tube being connected with adapter by a bigger external force, again through lock nut, connecting tube and adapter are fixed.Owing to adapter and coordinating between connecting tube are to be realized by the contact surface one tilted and the close contact of contact surface two, in the process that contact surface one is connected with contact surface two, external force must concentrate on same direction all the time, if there is skew in external force direction, may result in connecting tube and insert curved, reduce the sealing of connection between contact surface one and contact surface two, occur leaking manifest as.
Summary of the invention
It is an object of the invention to there are the problems referred to above for existing technology, it is proposed that the attachment structure of valve body and joint in a kind of central heating valve, solve prior art center tap and valve body easily inserts curved problem when connecting.
The purpose of the present invention can be realized by following technical proposal: the attachment structure of valve body and joint in a kind of central heating valve, valve inner is cavity, valve body has the link communicated with cavity, it is characterized in that, this attachment structure includes joint the inner, locking nut and the annular groove being opened on the end face of link, described joint the inner is cylindrically, and this joint the inner is plugged in annular groove, gear edge and this locking nut inside locking nut with protrusion are threadeded with above-mentioned link, the outside of joint outer end has annular convex shoulder, above-mentioned gear is along being resisted against on annular convex shoulder and make joint the inner seal being fixed in annular groove.
When joint and valve body connect, owing to valve end has annular groove, joint the inner cylindrically, enables joint to pass through coordinating between outboard sidewalls and the annular groove medial wall that joint is inner to be more freely insertable in valve body；When joint being inserted into annular groove by external force, even if there is skew in external force direction, joint all can in order to be stably inserted in valve body and be positioned in valve body, and now, outboard sidewalls and annular groove medial wall that joint is inner are in close contact, thus forming sealing, improve the sealing of joint and valve body junction, it is to avoid cause liquid to leak.
In above-mentioned central heating valve in the attachment structure of valve body and joint, the inner inner side of described joint with inside above-mentioned annular groove between be provided with and make both be connected the first of sealing to seal structure, this the first sealing structure includes 0 RunddichtringO one and first groove of joint the inner, and 0 described RunddichtringO one is positioned at the first groove and inner circumferential surface and annular groove medial wall leans.
When the liquid that valve body inflow temperature is higher, joint can expand, make the connection defective tightness of the inner medial wall of joint and annular groove medial wall, and by arranging the first sealing structure, be connected with making the inner medial wall of joint and annular groove medial wall and remain sealing；By arranging the first groove, facilitate the installation of O RunddichtringO one；Under the effect of 0 RunddichtringO one, the connection between contact surface one and annular groove inwall is made to remain sealing.
In above-mentioned central heating valve in the attachment structure of valve body and joint, the inner outside of described joint with inside above-mentioned annular groove between be provided with and make both be connected the second of sealing to seal structure, this the second sealing structure includes 0 RunddichtringO two and second groove of joint the inner, and 0 described RunddichtringO two is positioned at the second groove and inner circumferential surface and annular groove medial wall leans.
When the liquid that valve body inflow temperature is relatively low, joint can shrink, make the connection defective tightness of the inner lateral wall of joint and annular groove medial wall, and by arranging the second sealing structure, be connected with making the inner lateral wall of joint and annular groove medial wall and remain sealing；By arranging the second groove, facilitate the installation of O RunddichtringO two；Under the effect of 0 RunddichtringO, the connection between contact surface two and annular groove inwall is made to remain sealing.
In above-mentioned central heating valve in the attachment structure of valve body and joint, above-mentioned annular convex shoulder has the sealing gasket being sealed against when annular convex shoulder leans with valve body near the end of valve body.
By arranging sealing gasket, the junction that joint outer end is connected with valve body is fully sealed, improve the sealing of this attachment structure further.
In above-mentioned central heating valve in the attachment structure of valve body and joint, the degree of depth sum of the thickness of described sealing gasket and above-mentioned annular groove is more than joint the inner length.
Adopt such design, when locking nut moves to link, gear on locking nut is along being resisted against on annular convex shoulder and making joint continue to move in annular groove, sealing gasket deforms upon under the extruding of annular convex shoulder and link end face, improves the sealing effectiveness between joint and link further.
In above-mentioned central heating valve in the attachment structure of valve body and joint, the thickness of described joint the inner is equal with the groove width of annular groove.
The thickness of joint the inner is equal with the width of annular groove, when making joint the inner be inserted into annular groove, the formation that leans with the medial wall of annular groove respectively inside and outside joint is inner seals, simultaneously 0 RunddichtringO is inner at joint and it is more tight to deform upon, under the extruding of annular groove, the connection making it inner with annular groove and joint, and makes the connection of joint and valve body more firm.
In above-mentioned central heating valve in the attachment structure of valve body and joint, the lateral wall that described joint is inner also has intilted tapered guide surface one, and this tapered guide surface one extends to end, joint the inner.
Joint the inner has the tapered guide surface one of inclination, and namely when joint is just inserted in annular groove, the thickness of joint front end, less than the groove width of annular groove, makes joint be more easily inserted in annular groove；Tapered guide surface one can play guide effect simultaneously, makes joint be inserted into more easily in annular groove.
In above-mentioned central heating valve in the attachment structure of valve body and joint, the sidewall coordinated for contact surface one in above-mentioned annular groove has intilted tapered guide surface two, and this tapered guide surface two extends to the end of entrance point.
Annular groove notch place has the tapered guide surface two of inclination, makes the thickness groove width less than annular groove of joint front end, makes joint be more easily inserted in annular groove；Tapered guide surface two can play guide effect simultaneously, makes joint be inserted into more easily in annular groove.
In above-mentioned central heating valve in the attachment structure of valve body and joint, described joint is made up of PPR material.The advantages such as it is good that PPR material has toughness of products, and intensity is high, and processing characteristics is excellent, and under higher temperature creep-resistant property is good.
Compared with prior art, in this central heating valve, the attachment structure of valve body and joint has the advantage that
1, by coordinating between outboard sidewalls and the annular groove medial wall of joint the inner so that joint is more smooth and easy when being connected with valve body, convenient.
2, when joint is inserted into annular groove, no matter whether external force direction changes, and joint can be stably positioned in annular groove all the time, thus improving joint and the sealing at valve body place, it is to avoid cause liquid to leak.
3, the junction of valve body Yu joint is sealed with the close contact of annular groove inwall, the first sealing structure, the second sealing structure and this four seal structures of sealing gasket being connected on annular convex shoulder by joint the inner sidewall, it is greatly improved joint and the sealing at valve body place, it is to avoid cause liquid to leak.
4, the thickness of sealing gasket and the degree of depth sum of above-mentioned annular groove are more than joint the inner length, make sealing gasket deform upon under the extruding of annular convex shoulder and link end face, improve the sealing effectiveness between joint and link further.
Accompanying drawing explanation
Fig. 1 is the sectional structure schematic diagram of this attachment structure；
Fig. 2 is the sectional structure schematic diagram of valve body；
Fig. 3 is the sectional structure schematic diagram of joint.
In figure, 1, valve body；1a, link；1b, annular groove；1c, tapered guide surface two；2, joint；2a, tapered guide surface one；2b, the first groove；2c, the second groove；2d, annular convex shoulder；3,0 RunddichtringO one；4,0 RunddichtringO two；5, sealing gasket；6, locking nut；6a, gear edge.
Detailed description of the invention
The following is specific embodiments of the invention and in conjunction with accompanying drawing, technical scheme is further described, but the present invention is not limited to these embodiments.
As described in Figure 1, in this central heating valve in the attachment structure of valve body and joint, valve body 1 is internal is cavity, and valve body 1 one end has outside the link 1a communicated with cavity and this link 1a and also has external screw thread.The compositions such as this attachment structure includes joint 2, be opened on link 1a end face annular groove 1b, locking nut 6.
Specifically, joint 2 the inner cylindrically and joint 2 the inner be plugged in annular groove 1b.In the present embodiment, the thickness of joint 2 the inner is identical with the width of annular groove 1b, when joint 2 is connected with link 1a, the outboard sidewalls of joint 2 the inner is formed with the medial wall tight abutment of annular groove 1b respectively and seals, and makes the connection between joint 2 and annular groove 1b more stable simultaneously.
Optimizing further, as shown in Figures 2 and 3, have intilted tapered guide surface two 1c for the sidewall of joint 2 inner medial wall contact in annular groove 1b, this tapered guide surface two 1c extends to link 1a end；The lateral wall of joint 2 the inner has intilted tapered guide surface one 2a, and this tapered guide surface one 2a extends to the inner end of joint 2.Adopt such design, make joint 2 can more easily be inserted in annular groove 1b.
As it is shown in figure 1, the inner inner side of joint 2 makes both be connected the first sealing structure of sealing with being provided with between annular groove 1b medial wall；The inner outside of joint 2 makes both be connected the second sealing structure of sealing with being provided with between annular groove 1b medial wall.
Specifically, as shown in figures 1 and 3, first to seal structure be opened in the first groove 2b on the medial wall of joint 2 the inner and 0 RunddichtringO 1, and this 0 RunddichtringO 1 is positioned at the first groove 2b and inner circumferential surface and annular groove 1b medial wall leans.Natural, first seals structure may also be only 0 RunddichtringO one, and this 0 RunddichtringO one inner peripheral surface and annular groove 1b inwall lean, and the outer peripheral face of 0 RunddichtringO one leans with the inner medial wall of joint 2.
Second to seal structure be opened in the second groove 2c on the lateral wall of joint 2 the inner and 0 RunddichtringO 24, and this 0 RunddichtringO 24 is positioned at the second groove 2c and inner circumferential surface and annular groove 1b medial wall leans.Natural, first seals structure may also be only 0 RunddichtringO two, and this 0 RunddichtringO two inner peripheral surface and annular groove 1b inwall lean, and the outer peripheral face of 0 RunddichtringO two leans with the inner lateral wall of joint 2.
As described in Figure 1,0 RunddichtringO is inner at joint 2 and deforms upon under the extruding of annular groove 1b and makes annular groove 1b more tight with the connection of joint 2 the inner, and makes the connection of joint 2 and valve body 1 more firm.
The lateral wall of joint 2 outer end has annular convex shoulder 2d, and this annular convex shoulder 2d has the sealing gasket 5 being sealed against when annular convex shoulder 2d leans with valve body 1 near one end of valve body 1, and locking nut 6 is connected to the annular convex shoulder 2d other end.Specifically, the thickness of sealing gasket 5 and the degree of depth sum of annular groove 1b are more than the inner length of joint 2.There is the gear of protrusion along 6a inside locking nut 6, when locking nut 6 moves to link 1a, gear on locking nut 6 is resisted against on annular convex shoulder 2d along 6a and makes joint 2 continue to move in annular groove 1b, sealing gasket 5 deforms upon under the extruding of annular convex shoulder 2d and link 1a end face, improves the sealing effectiveness between joint 2 and link 1a further.
In the present embodiment, joint 2 is made up of PPR material.The advantages such as it is good that PPR material has toughness of products, and intensity is high, and processing characteristics is excellent, and under higher temperature creep-resistant property is good.Natural, joint 2 can also be made up of brass material.
As shown in Figure 1, during installation, first 0 RunddichtringO is embedded in corresponding groove, again through external force, joint 2 is inserted in valve body 1, locking nut 6 is inserted in joint 2 and threadeds with valve body 1, rotational lock nut 6 makes the gear inside locking nut 6 be pressed on the annular convex shoulder 2d on joint 2 along 6a, makes valve body 1 and joint 2 compression seal pad 5, finally makes together with joint 2 is rigidly connected to valve body 1.
Specific embodiment described herein is only to present invention spirit explanation for example.Described specific embodiment can be made various amendment or supplements or adopt similar mode to substitute by those skilled in the art, but without departing from the spirit of the present invention or surmount the scope that appended claims is defined.
Claims (8)
1. the attachment structure of valve body and joint in a central heating valve, valve body (1) is internal is cavity, valve body (1) has the link (1a) communicated with cavity, it is characterized in that, it is inner that this attachment structure includes joint (2), it is opened in the annular groove (1b) on the end face of link (1a) and locking nut (6), described joint (2) the inner is cylindrically, and this joint (2) the inner is plugged in annular groove (1b), locking nut (6) inner side has the gear of protrusion and threadeds with above-mentioned link (1a) along (6a) and this locking nut (6), the outside of joint (2) outer end has annular convex shoulder (2d), above-mentioned gear is resisted against on annular convex shoulder (2d) along (6a) and makes inner sealing of joint (2) be fixed in annular groove (1b), it is provided with between inner side and above-mentioned annular groove (1b) inner side that described joint (2) is inner and makes both be connected the first sealing structure of sealing, it is provided with between outside and above-mentioned annular groove (1b) inner side that described joint (2) is inner and makes both be connected the second sealing structure of sealing, above-mentioned annular convex shoulder (2d) has the sealing gasket (5) being sealed against when annular convex shoulder (2d) leans with valve body (1) near the end of valve body (1).
2. the attachment structure of valve body and joint in central heating valve according to claim 1, it is characterized in that, this the first sealing structure includes 0 RunddichtringO one (3) and first groove (2b) of joint (2) the inner, and 0 described RunddichtringO one (3) is positioned at the first groove (2b) and inner circumferential surface and annular groove (1b) medial wall leans.
3. the attachment structure of valve body and joint in central heating valve according to claim 2, it is characterized in that, this the second sealing structure includes 0 RunddichtringO two (4) and second groove (2c) of joint (2) the inner, and 0 described RunddichtringO two (4) is positioned at the second groove (2c) and inner circumferential surface and annular groove (1b) medial wall leans.
4. the attachment structure of valve body and joint in central heating valve according to claim 3, it is characterised in that the thickness of described sealing gasket (5) and the degree of depth sum of above-mentioned annular groove (1b) are more than the inner length of joint (2).
5. the attachment structure of valve body and joint in central heating valve according to claim 4, it is characterised in that the thickness of described joint (2) the inner is equal with the groove width of annular groove (1b).
6. the attachment structure of valve body and joint in central heating valve according to claim 5, it is characterized in that, the lateral wall that described joint (2) is inner also has intilted tapered guide surface one (2a), and this tapered guide surface one (2a) extends to the inner end of joint (2).
7. the attachment structure of valve body and joint in central heating valve according to claim 6, it is characterized in that, the sidewall coordinated for the medial wall inner with joint (2) in above-mentioned annular groove (1b) has intilted tapered guide surface two (1c), and this tapered guide surface two (1c) extends to the end of link (1a).
8. the attachment structure of valve body and joint in central heating valve according to claim 7, it is characterised in that described joint (2) is made up of PPR material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410338502.5A CN104061383B (en) | 2014-07-16 | 2014-07-16 | The attachment structure of valve body and joint in a kind of central heating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410338502.5A CN104061383B (en) | 2014-07-16 | 2014-07-16 | The attachment structure of valve body and joint in a kind of central heating valve |
Publications (2)
| Publication Number | Publication Date |
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| CN104061383A CN104061383A (en) | 2014-09-24 |
| CN104061383B true CN104061383B (en) | 2016-06-29 |
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| CN201410338502.5A Active CN104061383B (en) | 2014-07-16 | 2014-07-16 | The attachment structure of valve body and joint in a kind of central heating valve |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104266959A (en) * | 2014-10-08 | 2015-01-07 | 嘉兴学院 | Weather-resistance detection device for outer wall test component |
| CN104565527A (en) * | 2014-12-26 | 2015-04-29 | 诸暨市博拉什阀门有限公司 | Temperate control valve for heating radiator |
| CN109322352A (en) * | 2018-05-10 | 2019-02-12 | 广东星艺装饰集团股份有限公司 | Lower draining sealed connecting component |
| CN111810738A (en) * | 2020-06-23 | 2020-10-23 | 肖云东 | Sealed oil pipe short circuit of detaining |
| JPWO2022202118A1 (en) * | 2021-03-26 | 2022-09-29 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1392295A (en) * | 1971-06-29 | 1975-04-30 | Townson & Coxson Ltd | Tubular valve housing having an outwardly-extending flange engageable by an inwardly-flanged internally screw-threaded connectin ring |
| CN203036123U (en) * | 2013-01-22 | 2013-07-03 | 开封市开利空分设备有限公司 | Aluminum steel connector connecting structure |
| CN203297796U (en) * | 2013-05-17 | 2013-11-20 | 佛山市日丰企业有限公司 | Pipeline connecting device |
| CN203453663U (en) * | 2013-08-06 | 2014-02-26 | 上海明航空气净化技术有限公司 | Stainless steel pipeline connector |
| CN204099767U (en) * | 2014-07-16 | 2015-01-14 | 玉环县大众气动工具有限公司 | The linkage structure of valve body and joint in a kind of central heating valve |
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