CN202597755U - Medium and low pressure pipeline locking and pressing type connecting structure applied to valve - Google Patents
Medium and low pressure pipeline locking and pressing type connecting structure applied to valve Download PDFInfo
- Publication number
- CN202597755U CN202597755U CN 201220177114 CN201220177114U CN202597755U CN 202597755 U CN202597755 U CN 202597755U CN 201220177114 CN201220177114 CN 201220177114 CN 201220177114 U CN201220177114 U CN 201220177114U CN 202597755 U CN202597755 U CN 202597755U
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- China
- Prior art keywords
- pipeline
- interface
- valve
- ball valve
- low pressure
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- Expired - Fee Related
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Abstract
The utility model discloses a medium and low pressure pipeline locking and pressing type connecting structure applied to a valve, belonging to the fields of valves and accessories thereof. The medium and low pressure pipeline locking and pressing type connecting structure is technically characterized by comprising two interfaces, screw rods and a three-piece type ball valve, wherein screw holes are formed at the edges at two ends of the three-piece type ball valve, one end of each interface is screwed and fixed with the three-piece type ball valve through each screw rod, four screw mouths are arranged at the edge of one end of each interface, the other end of each interface is fixed with a pipeline to be inserted in a locking and pressing way and is internally provided with a convex groove, and a sealing ring is arranged in each convex groove so as to have the action of firm sealing. According to the medium and low pressure pipeline locking and pressing type connecting structure disclosed by the utility model, because the interfaces are adopted, when the pipeline to be inserted is connected, maintenance is simple, practical, convenient and rapid, and the interfaces with different cross section areas and in different types can be selected according to the needs of practical use, so that an application range of the pipeline is increased, and the pipeline has a good market application value.
Description
Technical field
The utility model relates to a kind of pipe connecting structure, specifically is applied to the mesolow pipeline clamp-press type linkage structure of valve.
Background technique
In daily life or producing, many fluids all need transmit through pipeline like various liquid state, gaseous state, whole transmission pipeline system; All be to be formed by connecting in the multistage pipeline, traditional Placement is through being threaded, and also will twine some sealing strips at the connecting thread place and seal, and the traditional pipeline connection speed of this kind is slow; Complicated operation, misoperation are prone to seal for pipe joints property problem, influence daily use; Based on this, the generation of the quick link/linkage structure of pipeline makes pipeline more simple, and quality of connection is also more secure; Existing pipeline fast connector mainly comprises connecting head body and big envelope, is a cavity in the connecting head body, and card in is arranged in the big envelope; Interior card is provided with the latch sheet for one section, and latch sheet inboard is provided with metal bar, and the latch sheet outside is provided with flange; Wind cover inboard is provided with a recess, and the flange in the latch sheet outside slides big envelope and connecting head body-fixed at the inboard recess of big envelope; When pipeline connected, the outboard flanges of latch sheet was slided in the inner recess of big envelope, and fixing interior card does not break away from.
But still there is following problem in existing pipeline fast connector: when one, big envelope is identical with connecting head body material, through ultrasonic welding big envelope and connecting head body; This welding manner has certain requirement to operating procedure; In case when welding misoperation, possibly weld not firmly, influence the sealing of pipeline connection; Cause the welding of big envelope and connecting head body to get loose because of aging easily in the long-time back of using simultaneously, the sealing that influence connects; When two, big envelope is metallic material; The general metal crimp button that adopts connects, temperature variation in the pipeline using process, and the degree varies that street corner and big envelope expand with heat and contract with cold separately causes; The big envelope diameter possibly cause big envelope to be inconjunction with interior card and directly break away from from joint body less than connecting head body cavity.
The interface that is not provided with of the prior art; Pipeline thread to be inserted or be fixedly welded on the joint of three pieces type ball valve; This kind structure is when reality is used; Because be that screw thread or welding are fixing, the drawback of existence is: one, insert phenomenons such as ducted seismatic method for pipeline, tensile strength poorly, as easy as rolling off a log become flexible, leak, gas leakage and happen occasionally; Two, owing to be that welding is fixing, maintenance is inconvenient in use, must change integral device, causes the too high and waste plenty of time of user cost.
Summary of the invention
For overcome existing sealing poor, be prone to loosening, loaded down with trivial details etc. deficiency is installed, the purpose of the utility model is to provide a kind of mesolow pipeline clamp-press type linkage structure that is applied to valve, has easy for installationly, is connected firmly, advantage such as good seal performance.
It is following that the utility model solves the technological scheme that its technical problem adopted:
Be applied to the mesolow pipeline clamp-press type linkage structure of valve; Its structure is made up of: interface, screw rod, three pieces type ball valve; Wherein the edge at the two ends of three pieces type ball valve is provided with screw, and an end of two interfaces is twisted fixing through screw rod and three pieces type ball valve spiral shell respectively.
Described interface, the edge of one of which end is provided with four screw sockets, the other end and pipeline card press fit to be inserted, and set inside has concave slot.
Described concave slot, its set inside has seal ring, plays the effect of firm sealing.
Described screw rod, the one of which end is provided with screw thread, twists the interface and the three pieces type ball valve spiral shell at two ends fixing through nut.
The working principle of the utility model is: pipeline to be inserted is inserted in the concave slot through interface, blocks the jointing at press fit conveyance conduit two ends then, the seal ring in the concave slot of interface end plays the effect of firm sealing; The interface of different cross-sectional areas diameter can selected or change to the interface at three pieces type ball valve two ends according to the needs that reality is used.
Through adopting above technological scheme, the utlity model has following beneficial effect:
1, the utility model is owing to adopt interface, and is when connecting pipeline to be inserted, simple and practical during maintenance, convenient and swift;
2, the delivery pipe of the utility model is provided with concave slot, when connecting pipeline to be inserted, plays sealing, and it is firm to connect;
The needs that 3, can use according to reality can select that varying cross-section is long-pending, the interface of different model, have increased its application area, have good application market and are worth.
Description of drawings
Fig. 1, be the structure sectional view of product in the existing technology;
Fig. 2, be the sectional structure schematic representation of the utility model.
Among the figure: 1-three pieces type ball valve, 2-interface, 3-screw rod, 4-nut, 5-concave slot.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further specified, but not as the qualification to the utility model.
As shown in Figure 2; Be applied to the mesolow pipeline clamp-press type linkage structure of valve; Its structure is made up of: interface 2, screw rod 3, three pieces type ball valve 1, and wherein the edge at the two ends of three pieces type ball valve 1 is provided with screw, and an end of two interfaces 2 is twisted fixing through screw rod 3 and three pieces type ball valve 1 spiral shell respectively.
Described interface 2, the edge of one of which end is provided with four screw sockets, the other end and pipeline card press fit to be inserted, and set inside has concave slot 5.
Described concave slot 5, its set inside has seal ring, plays the effect of firm sealing.
Described screw rod 3, the one of which end is provided with screw thread, twists the interface and three pieces type ball valve 1 spiral shell at two ends fixing through nut 4.
The working principle of the utility model is: pipeline to be inserted is inserted in the concave slot 5 through interface, blocks interface 2 places at press fit conveyance conduit two ends then, the seal ring in the concave slot 5 of interface 2 ends plays the effect of firm sealing; The interface of different cross-sectional areas diameter can selected or change to the interface 2 at three pieces type ball valve 1 two ends according to the needs that reality is used.
Above-described embodiment, the utility model embodiment a kind of more preferably just, common variation that those skilled in the art carries out in the utility model technological scheme scope and replacement all should be included in the protection domain of the utility model.
Claims (4)
1. be applied to the mesolow pipeline clamp-press type linkage structure of valve; Its structure is made up of: interface (2), screw rod (3), three pieces type ball valve (1); It is characterized in that: wherein the edge at the two ends of three pieces type ball valve (1) is provided with screw, and an end of two interfaces (2) is twisted fixing through screw rod (3) and three pieces type ball valve (1) spiral shell respectively.
2. the mesolow pipeline clamp-press type linkage structure that is applied to valve as claimed in claim 1 is characterized in that: described interface (2), and the edge of one of which end is provided with four screw sockets, the other end and pipeline card press fit to be inserted, and set inside has concave slot (5).
3. the mesolow pipeline clamp-press type linkage structure that is applied to valve as claimed in claim 1, it is characterized in that: described concave slot (5), its set inside has seal ring.
4. the mesolow pipeline clamp-press type linkage structure that is applied to valve as claimed in claim 1 is characterized in that: described screw rod (3), the one of which end is provided with screw thread, twists the interface and three pieces type ball valve (1) spiral shell at two ends fixing through nut (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220177114 CN202597755U (en) | 2012-04-24 | 2012-04-24 | Medium and low pressure pipeline locking and pressing type connecting structure applied to valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220177114 CN202597755U (en) | 2012-04-24 | 2012-04-24 | Medium and low pressure pipeline locking and pressing type connecting structure applied to valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202597755U true CN202597755U (en) | 2012-12-12 |
Family
ID=47315294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220177114 Expired - Fee Related CN202597755U (en) | 2012-04-24 | 2012-04-24 | Medium and low pressure pipeline locking and pressing type connecting structure applied to valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202597755U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106522875A (en) * | 2016-12-07 | 2017-03-22 | 中国石油集团西部钻探工程有限公司 | Well cementation joint |
-
2012
- 2012-04-24 CN CN 201220177114 patent/CN202597755U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106522875A (en) * | 2016-12-07 | 2017-03-22 | 中国石油集团西部钻探工程有限公司 | Well cementation joint |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121212 Termination date: 20130424 |