CN208252991U - A kind of high stability pipe fitting - Google Patents
A kind of high stability pipe fitting Download PDFInfo
- Publication number
- CN208252991U CN208252991U CN201820805700.1U CN201820805700U CN208252991U CN 208252991 U CN208252991 U CN 208252991U CN 201820805700 U CN201820805700 U CN 201820805700U CN 208252991 U CN208252991 U CN 208252991U
- Authority
- CN
- China
- Prior art keywords
- main part
- outer sleeve
- pipe fitting
- sleeve body
- high stability
- 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
Links
Abstract
The utility model discloses a kind of high stability pipe fittings, being intended to provide one kind can effectively prevent leading to the high stability pipe fitting of connection sealing difference because expanding with heat and contract with cold, its key points of the technical solution are that a kind of high stability pipe fitting, including interior set body and outer sleeve body, interior set body includes the first main part and the second main part being connected, it is characterized by: second main part and outer sleeve body integrally connected, annular groove is equipped between first main part and outer sleeve body, first main part is equipped with threaded hole, second main part is equipped with the through-hole being connected to threaded hole, several open slots are additionally provided on first main part, open slot is along the circumferentially equidistant arrangement of the first main part, rubber ring is filled in annular groove, rubber ring includes the epitaxy part being placed on the first main part outer end face, the utility model is suitable for connector technical field.
Description
Technical field
The utility model belongs to connector technical field, refers in particular to a kind of high stability pipe fitting.
Background technique
Pipe fitting is connecting line or the part by pipeline on Hydraulic Elements in hydraulic system, as pipe fitting and pipe fitting
Between fastening means, the reliability after connection is mostly important, but existing pipe fitting only plays simple be threadedly coupled and makees
With, and pipe fitting can often generate the phenomenon that expanding with heat and contract with cold, and cause to loosen with the junction of pipe fitting and reduce leakproofness.
Utility model content
The purpose of the utility model is to provide one kind can effectively prevent leading to the height of connection sealing difference because expanding with heat and contract with cold
Stability pipe fitting.
Purpose of the utility model is realized as follows: a kind of high stability pipe fitting, including interior set body and outer sleeve body, it is interior
Body includes the first main part and the second main part being connected, it is characterised in that: second main part and outer sleeve body one
Connection, between the first main part and outer sleeve body be equipped with annular groove, the first main part be equipped with threaded hole, the second main part be equipped with
The through-hole of threaded hole connection, is additionally provided with several open slots on the first main part, open slot along the circumferentially equidistant arrangement of the first main part,
Rubber ring is filled in annular groove, rubber ring includes the epitaxy part being placed on the first main part outer end face.
By using above-mentioned technical proposal, threaded hole is connect with pipe fitting screw thread when connection, and the outer diameter of pipe fitting is larger than spiral shell
Pit, since the first main part is equipped with several open slots, when pipe fitting screws, threaded hole has certain toughness, can expand outwardly,
In use process, when pipe fitting generates rising-heat contracting-cold, threaded hole also can generate contraction or expansion according to the toughness of itself, thus really
Connection reliability between keeping part and threaded hole, the setting of rubber ring and epitaxy part can increase the first main part and pipe fitting it
Between connection sealing, the axial length of preferred first main part is greater than the axial length of the second main part, improves threaded hole
Connective stability, the depth of open slot are slightly less than the axial length of the first main part, it is ensured that the structural strength of the first main part.
The utility model is further arranged to: the major diameter of the threaded hole is by one end far from through-hole to close to the one of through-hole
End is in be gradually reduced.
By using above-mentioned technical proposal, when threaded hole is connect with pipe fitting, pipe fitting to the first main part generate it is bigger to
Outer tension, while the first main part forms more stable connection by opposition and pipe fitting, improves the first main part and pipe
The connective stability of part.
The utility model is further arranged to: the outer sleeve body be connected with the second main part one end end face be friction welding (FW)
Junction is equipped with transition face between friction welding (FW) junction and the periphery wall of outer sleeve body, transition face includes arcwall face and inclined surface, arcwall face
One end be connected with one end of inclined surface, the other end of arcwall face is connect with friction welding (FW) junction, the other end of inclined surface and outer
The periphery wall of body connects.
By using above-mentioned technical proposal, the end face of friction welding (FW) junction and pipe fitting passes through friction welding, the setting of arcwall face
The forced area between outer sleeve body end face and outer peripheral surface is increased, plays the role of dispersing surface stress, inclined surface is to outer sleeve body
Play the role of skewed horizontal load between end face and outer peripheral surface, to improve outer sleeve body in friction welding by the setting of transition face
When structural strength.
The utility model is further arranged to: being additionally provided with groove on the periphery wall of the outer sleeve body, is equipped with mark in groove
Area.
By using above-mentioned technical proposal, tag slot is for identifying the information such as thread size, and groove is to the letter in tag slot
Breath plays a protective role.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the utility model half section structure diagram；
Fig. 3 is the A-A of the utility model Fig. 1 to structural schematic diagram；
Appended drawing reference in figure are as follows: 1, outer sleeve body；2, the first main part；3, the second main part；4, open slot；5, rubber ring；
6, epitaxy part；7, friction welding (FW) junction；8, arcwall face；9, inclined surface；10, groove.
Specific embodiment
The utility model is further described with specific embodiment with reference to the accompanying drawing, referring to Fig. 1-3:
A kind of high stability pipe fitting, including interior set body and outer sleeve body 1, interior set body include the first main part 2 being connected
With the second main part 3, it is characterised in that: second main part 3 and 1 integrally connected of outer sleeve body, the first main part 2 and outer sleeve body
Annular groove is equipped between 1, the first main part 2 is equipped with threaded hole, and the second main part 3 is equipped with the through-hole being connected to threaded hole, the
Several open slots 4 are additionally provided on one main part 2, open slot 4 is filled with rubber along the circumferentially equidistant arrangement of the first main part 2, annular groove
Rubber ring 5, rubber ring 5 include the epitaxy part 6 being placed on 2 outer end face of the first main part.
By using above-mentioned technical proposal, threaded hole is connect with pipe fitting screw thread when connection, and the outer diameter of pipe fitting is larger than spiral shell
Pit, since the first main part 2 is equipped with several open slots 4, when pipe fitting screws, threaded hole has certain toughness, can be to extending out
, in use process, when pipe fitting generates rising-heat contracting-cold, threaded hole also can generate contraction or expansion according to the toughness of itself, from
And ensuring the connection reliability between pipe fitting and threaded hole, the setting of rubber ring 5 and epitaxy part 6 can increase by the first main part 2
Connection sealing between pipe fitting, the axial length of preferred first main part 2 are greater than the axial length of the second main part 3,
Threaded hole connective stability is improved, the depth of open slot 4 is slightly less than the axial length of the first main part 2, it is ensured that the first main part 2
Structural strength.
The utility model is further arranged to: the major diameter of the threaded hole is by one end far from through-hole to close to the one of through-hole
End is in be gradually reduced.
By using above-mentioned technical proposal, when threaded hole is connect with pipe fitting, pipe fitting to the first main part 2 generate it is bigger to
Outer tension, while the first main part 2 forms more stable connection by opposition and pipe fitting, improve the first main part 2 with
The connective stability of pipe fitting.
The utility model is further arranged to: the outer sleeve body 1 be connected with the second main part 3 one end end face for friction
Welding surface 7 is equipped with transition face between friction welding (FW) junction 7 and the periphery wall of outer sleeve body 1, transition face includes arcwall face 8 and inclined surface
9, one end of arcwall face 8 is connected with one end of inclined surface 9, and the other end of arcwall face 8 is connect with friction welding (FW) junction 7, inclined surface 9
The other end connect with the periphery wall of outer sleeve body 1.
By using above-mentioned technical proposal, by friction welding, arcwall face 8 is set for the end face of friction welding (FW) junction 7 and pipe fitting
The forced area increased between 1 end face of outer sleeve body and outer peripheral surface is set, plays the role of dispersing surface stress, inclined surface 9 is external
Play the role of skewed horizontal load between 1 end face of body and outer peripheral surface, to improve outer sleeve body 1 by the setting of transition face and rub
Wipe structural strength when welding.
The utility model is further arranged to: being additionally provided with groove 10 on the periphery wall of the outer sleeve body 1, is equipped in groove 10
Tag slot.
By using above-mentioned technical proposal, tag slot is for identifying the information such as thread size, and groove 10 is in tag slot
Information plays a protective role.
Above-described embodiment is only the preferred embodiment of the utility model, not limits the protection model of the utility model according to this
It encloses, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by the protection of the utility model
Within the scope of.
Claims (4)
1. a kind of high stability pipe fitting, including interior set body and outer sleeve body (1), interior set body include the first main part being connected
(2) and the second main part (3), it is characterised in that: second main part (3) and outer sleeve body (1) integrally connected, the first main part
(2) annular groove is equipped between outer sleeve body (1), the first main part (2) is equipped with threaded hole, and the second main part (3) is equipped with and spiral shell
The through-hole of pit connection, is additionally provided with several open slots (4) on the first main part (2), and open slot (4) is along the first main part (2) week
To equidistant arrangement, rubber ring (5) are filled in annular groove, rubber ring (5) includes the extension being placed on the first main part (2) outer end face
Portion (6).
2. a kind of high stability pipe fitting according to claim 1, it is characterised in that: the major diameter of the threaded hole is by separate
One end of through-hole is in be gradually reduced to one end close to through-hole.
3. a kind of high stability pipe fitting according to claim 1, it is characterised in that: the outer sleeve body (1) is main with second
Body portion (3) be connected one end end face be friction welding (FW) junction (7), set between friction welding (FW) junction (7) and the periphery wall of outer sleeve body (1)
There is transition face, transition face includes arcwall face (8) and inclined surface (9), and one end of arcwall face (8) is connected with the one end of inclined surface (9)
It connects, the other end of arcwall face (8) is connect with friction welding (FW) junction (7), the other end of inclined surface (9) and the periphery wall of outer sleeve body (1)
Connection.
4. a kind of high stability pipe fitting according to claim 1, it is characterised in that: the periphery wall of the outer sleeve body (1)
On be additionally provided with groove (10), tag slot is equipped in groove (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820805700.1U CN208252991U (en) | 2018-05-28 | 2018-05-28 | A kind of high stability pipe fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820805700.1U CN208252991U (en) | 2018-05-28 | 2018-05-28 | A kind of high stability pipe fitting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208252991U true CN208252991U (en) | 2018-12-18 |
Family
ID=64651339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820805700.1U Expired - Fee Related CN208252991U (en) | 2018-05-28 | 2018-05-28 | A kind of high stability pipe fitting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208252991U (en) |
-
2018
- 2018-05-28 CN CN201820805700.1U patent/CN208252991U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181218 Termination date: 20210528 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |