CN204025993U - Tube joint assembly - Google Patents
Tube joint assembly Download PDFInfo
- Publication number
- CN204025993U CN204025993U CN201420375844.XU CN201420375844U CN204025993U CN 204025993 U CN204025993 U CN 204025993U CN 201420375844 U CN201420375844 U CN 201420375844U CN 204025993 U CN204025993 U CN 204025993U
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- CN
- China
- Prior art keywords
- pipe joint
- joint body
- fastening hoop
- tubular
- shape fastening
- 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 - Fee Related
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Abstract
The utility model belongs to pipe joint technical field, particularly relates to a kind of tube joint assembly.It solve the technical problems such as prior art sealing difference.Comprise pipe joint body, external splines is provided with at pipe joint body outer wall, be provided with circular groove at the middle part outer wall of pipe joint body and be located at the C shape fastening hoop in circular groove, one end of C shape fastening hoop is fixed on the bottom land of circular groove, the other end is unsettled, the tubular joint be connected as a single entity structure with pipe joint body is provided with in one end of pipe joint body, outside thread is provided with at tubular joint outer wall, the annular slot to make way being positioned at the inner ending place of outside thread is provided with between pipe joint body and tubular joint, one end that pipe joint body is provided with tubular joint is provided with the ring packing conical surface be connected with circular orientation face, pipe joint body is provided with the annular positioning groove be located on the ring packing conical surface and the O-ring seal be arranged in annular positioning groove, the utility model advantage is: good airproof performance and practical.
Description
Technical field
The utility model belongs to pipe joint technical field, particularly relates to a kind of tube joint assembly.
Background technique
For the ease of the connection of pipeline; between two pipelines, a pipe joint can be set usually; the specification of pipe joint has the equal-specifications such as bipass joint, three-way union and union cross; no matter the pipe joint of which kind of structure; the joint of itself and pipeline needs good sealing; secondly; for the ease of dismounting; it needs good linkage structure when connecting with pipeline or be separated; in order to the sealing of the structural strength and connection that can ensure joint; for this reason, people have carried out long-term exploration, propose solution miscellaneous.
Such as, Chinese patent literature discloses a kind of pipe joint [application number: 200820014298.1], and it is hole grafting one seal ring in the one or both ends of flexible pipe, and flexible pipe is set with nut, and flexible pipe inserts the endoporus of nut, rotary nut, nut check;
Above-mentioned scheme has hose coupling, good seal, safe and reliable, advantages of simple structure and simple, improves the subproblem of prior art to a certain extent, but, also at least there is following defect in the program: not easily installs and locate, and next is not easy to axial restraint, in addition, the structural strength of connection its joint rear is low and sealing is poor, cannot meet usage requirement.
Model utility content
The purpose of this utility model is for the problems referred to above, provides a kind of design more rationally and the tube joint assembly of better tightness.
For achieving the above object, the utility model have employed following technical proposal: this tube joint assembly comprises pipe joint body, external splines is provided with at pipe joint body outer wall, be provided with circular groove at the middle part outer wall of pipe joint body and be located at the C shape fastening hoop in circular groove, one end of C shape fastening hoop is fixed on the bottom land of circular groove, the other end is unsettled, guide structure is respectively equipped with in the both sides of C shape fastening hoop, C shape fastening hoop outer surface is provided with some grooves arranged along its width direction, the tubular joint be connected as a single entity structure with pipe joint body is provided with in one end of pipe joint body, the shaft axis of tubular joint overlaps with pipe joint body shaft axis and to arrange and the external diameter of this tubular joint is less than the external diameter of pipe joint body, circular orientation face is formed between tubular joint and pipe joint body, outside thread is provided with at tubular joint outer wall, the annular slot to make way being positioned at the inner ending place of outside thread is provided with between pipe joint body and tubular joint, one end that described pipe joint body is provided with tubular joint is provided with the ring packing conical surface be connected with circular orientation face, pipe joint body is provided with the annular positioning groove be located on the ring packing conical surface and the O-ring seal be arranged in annular positioning groove, the position structure for preventing this O-ring seal from outwards departing from annular positioning groove is provided with between annular positioning groove and O-ring seal.The effect of groove is to reduce area of contact, namely ensures dismounting efficiency.
In this application, be provided with C shape fastening hoop, when being connected with pipeline, there is deformation thus the pipe joint body of the application and pipeline axial fixed in it, namely the outer surface of C shape fastening hoop is resisted against on the inwall of pipeline under the effect of pipeline; In addition, be provided with tubular joint and be arranged on the outside thread on tubular joint, it can ensure dismounting efficiency and sealing, then sealing can be ensured further in conjunction with annular positioning groove, the ring packing conical surface and O-ring seal, no matter the also extraneous medium of the medium namely in pipe leakage all not easily occurs or flows in pipe.
In above-mentioned tube joint assembly, described position structure comprises the annular bayonet socket through with annular positioning groove notch, and the bore of described annular bayonet socket is less than the external diameter of O-ring seal lateral cross section.This structure ensures sealing while guarantee O-ring seal not easily departs from.
In above-mentioned tube joint assembly, described C shape fastening hoop one end is fixed by welding on the bottom land of annular slot to make way.Gap is formed between the C shape fastening hoop the other end and the bottom land of annular slot to make way.
In above-mentioned tube joint assembly, described guide structure comprises the outer chamfering being separately positioned on C shape fastening hoop both sides.This structure is convenient to dismounting, ensures dismounting efficiency.
In above-mentioned tube joint assembly, the thickness of described C shape fastening hoop is equal to or less than the groove depth of circular groove.
Compared with prior art, the advantage of this tube joint assembly is: 1, design is more reasonable, be provided with C shape fastening hoop, when being connected with pipeline, there is deformation thus the pipe joint body of the application and pipeline axial fixed in it, namely the outer surface of C shape fastening hoop is resisted against on the inwall of pipeline under the effect of pipeline; In addition, be provided with tubular joint and be arranged on the outside thread on tubular joint, it can ensure dismounting efficiency and sealing, then sealing can be ensured further in conjunction with annular positioning groove, the ring packing conical surface and O-ring seal, no matter the also extraneous medium of the medium namely in pipe leakage all not easily occurs or flows in pipe; 2, practical; 3, structure is simple and be easy to manufacture.
Accompanying drawing explanation
Fig. 1 is the structural representation that the utility model provides.
Fig. 2 is the structural representation overlooking (after the deformation of C shape fastening hoop) of Fig. 1.
Fig. 3 is the structural representation that in Fig. 1, A place amplifies.
Fig. 4 is the C shape fastening hoop structural representation that the utility model provides.
In figure, pipe joint body 1, circular orientation face 1a, external splines 11, circular groove 12, C shape fastening hoop 2, outer chamfering 21, groove 22, tubular joint 3, outside thread 31, annular slot to make way 32, the ring packing conical surface 33, annular positioning groove 34, annular bayonet socket 35, O-ring seal 4.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention will be further described in detail.
As Figure 1-4, this tube joint assembly comprises pipe joint body 1, external splines 11 is provided with at pipe joint body 1 outer wall, at the C shape fastening hoop 2 that the middle part outer wall of pipe joint body 1 is provided with circular groove 12 and is located in circular groove 12, one end of C shape fastening hoop 2 is fixed on the bottom land of circular groove 12, and the other end is unsettled, is respectively equipped with guide structure in the both sides of C shape fastening hoop 2, optimized project, this guide structure comprises the outer chamfering 21 being separately positioned on C shape fastening hoop 2 both sides;
The tubular joint 3 be connected as a single entity structure with pipe joint body 1 is provided with in one end of pipe joint body 1, the shaft axis of tubular joint 3 overlaps with pipe joint body 1 shaft axis and to arrange and the external diameter of this tubular joint 3 is less than the external diameter of pipe joint body 1, circular orientation face 1a is formed between tubular joint 3 and pipe joint body 1, outside thread 31 is provided with at tubular joint 3 outer wall, the annular slot to make way 32 being positioned at outside thread 31 inner ending place is provided with between pipe joint body 1 and tubular joint 3, one end that described pipe joint body 1 is provided with tubular joint 3 is provided with the ring packing conical surface 33 be connected with circular orientation face 1a, pipe joint body 1 is provided with the annular positioning groove 34 be located on the ring packing conical surface 33 and the O-ring seal 4 be arranged in annular positioning groove 34, the position structure for preventing this O-ring seal 4 from outwards departing from annular positioning groove 34 is provided with between annular positioning groove 34 and O-ring seal 4.
Concrete, the position structure of the present embodiment comprises the annular bayonet socket 35 through with annular positioning groove 34 notch, and the bore of described annular bayonet socket 35 is less than the external diameter of O-ring seal 4 lateral cross section;
Optimized project, C shape fastening hoop 2 one end of the present embodiment is fixed by welding on the bottom land of annular slot to make way 32; Secondly, the thickness of this C shape fastening hoop 2 is equal to or less than the groove depth of circular groove 12;
In order to reduce dismounting area of contact, be provided with some grooves 22 arranged along its width direction at C shape fastening hoop 2 outer surface;
In the present embodiment, be provided with C shape fastening hoop, when being connected with pipeline, there is deformation thus the pipe joint body of the application and pipeline axial fixed in it, namely the outer surface of C shape fastening hoop is resisted against on the inwall of pipeline under the effect of pipeline; In addition, be provided with tubular joint and be arranged on the outside thread on tubular joint, it can ensure dismounting efficiency and sealing, then sealing can be ensured further in conjunction with annular positioning groove, the ring packing conical surface and O-ring seal, no matter the also extraneous medium of the medium namely in pipe leakage all not easily occurs or flows in pipe.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Although more employ the terms such as pipe joint body 1, circular orientation face 1a, external splines 11, circular groove 12, C shape fastening hoop 2, outer chamfering 21, groove 22, tubular joint 3, outside thread 31, annular slot to make way 32, the ring packing conical surface 33, annular positioning groove 34, annular bayonet socket 35, O-ring seal 4 herein, do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present utility model more easily; The restriction that they are construed to any one additional is all contrary with the utility model spirit.
Claims (5)
1. a tube joint assembly, comprise pipe joint body (1), it is characterized in that, external splines (11) is provided with at pipe joint body (1) outer wall, be provided with circular groove (12) at the middle part outer wall of pipe joint body (1) and be located at the C shape fastening hoop (2) in circular groove (12), one end of C shape fastening hoop (2) is fixed on the bottom land of circular groove (12), the other end is unsettled, guide structure is respectively equipped with in the both sides of C shape fastening hoop (2), some grooves (22) arranged along its width direction are provided with at C shape fastening hoop (2) outer surface, the tubular joint (3) be connected as a single entity structure with pipe joint body (1) is provided with in one end of pipe joint body (1), the shaft axis of tubular joint (3) overlaps with pipe joint body (1) shaft axis and to arrange and the external diameter of this tubular joint (3) is less than the external diameter of pipe joint body (1), circular orientation face (1a) is formed between tubular joint (3) and pipe joint body (1), outside thread (31) is provided with at tubular joint (3) outer wall, the annular slot to make way (32) being positioned at outside thread (31) inner ending place is provided with between pipe joint body (1) and tubular joint (3), one end that described pipe joint body (1) is provided with tubular joint (3) is provided with the ring packing conical surface (33) be connected with circular orientation face (1a), pipe joint body (1) is provided with the annular positioning groove (34) be located on the ring packing conical surface (33) and the O-ring seal (4) be arranged in annular positioning groove (34), the position structure for preventing this O-ring seal (4) from outwards departing from annular positioning groove (34) is provided with between annular positioning groove (34) and O-ring seal (4).
2. tube joint assembly according to claim 1, it is characterized in that, described position structure comprises the annular bayonet socket (35) through with annular positioning groove (34) notch, and the bore of described annular bayonet socket (35) is less than the external diameter of O-ring seal (4) lateral cross section.
3. tube joint assembly according to claim 1 and 2, is characterized in that, described C shape fastening hoop (2) one end is fixed by welding on the bottom land of annular slot to make way (32).
4. tube joint assembly according to claim 3, is characterized in that, described guide structure comprises the outer chamfering (21) being separately positioned on C shape fastening hoop (2) both sides.
5. tube joint assembly according to claim 1 and 2, is characterized in that, the thickness of described C shape fastening hoop (2) is equal to or less than the groove depth of circular groove (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420375844.XU CN204025993U (en) | 2014-07-08 | 2014-07-08 | Tube joint assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420375844.XU CN204025993U (en) | 2014-07-08 | 2014-07-08 | Tube joint assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204025993U true CN204025993U (en) | 2014-12-17 |
Family
ID=52065857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420375844.XU Expired - Fee Related CN204025993U (en) | 2014-07-08 | 2014-07-08 | Tube joint assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204025993U (en) |
-
2014
- 2014-07-08 CN CN201420375844.XU patent/CN204025993U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141217 Termination date: 20160708 |