CN209724856U - PLVA hydraulic fitting - Google Patents
PLVA hydraulic fitting Download PDFInfo
- Publication number
- CN209724856U CN209724856U CN201920401733.4U CN201920401733U CN209724856U CN 209724856 U CN209724856 U CN 209724856U CN 201920401733 U CN201920401733 U CN 201920401733U CN 209724856 U CN209724856 U CN 209724856U
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- China
- Prior art keywords
- tube body
- anticreep
- convex stupefied
- plva
- hydraulic fitting
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Abstract
The utility model discloses a kind of PLVA hydraulic fittings, are related to hydraulic fitting field.After aiming to solve the problem that traditional hydraulic fitting is connect with sebific duct, sebific duct stability deficiency problem.Its drip irrigation device includes sequentially connected first tube body, the second tube body, third tube body, the 4th tube body and the 5th tube body, wherein the third tube body, the 4th tube body and the 5th tube body form sebific duct insertion section；It is convex stupefied that the third tube body lateral wall close to the end of the 4th tube body is provided with the first anticreep, and the 4th tube body lateral wall offers several anticreep annular grooves, and the 5th tube body lateral wall is provided with that third anticreep is convex stupefied and the 4th anticreep is convex stupefied.The utility model can be improved the stability after sebific duct pressing, prevent it from falling off.
Description
Technical field
The utility model relates to hydraulic fitting fields, more specifically, it relates to a kind of PLVA hydraulic fitting.
Background technique
Hydraulic fitting is component extremely crucial in hydraulic fluid system, it be ensure that hydraulic system operation is smooth can not
Or scarce part.
Existing notification number is the Chinese patent of CN202647003U, discloses a kind of hydraulic fitting, hydraulic fitting
Core bar and rubber tube pressing at be equipped with screw thread, rubber tube presses untight phenomenon when withholding to reduce.
But screw thread is set on the core bar of hydraulic fitting, although it is close to reduce rubber tube pressing when withholding
The phenomenon that, but rubber tube is still easy to fall off, stability is insufficient.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of PLVA hydraulic fitting,
With the advantage for improving sebific duct pressing stability, it is further prevented to fall off.
To achieve the above object, the utility model provides following technical solution:
A kind of PLVA hydraulic fitting, including sequentially connected first tube body, the second tube body, third tube body, the 4th tube body
And the 5th tube body, wherein the third tube body, the 4th tube body and the 5th tube body form sebific duct insertion section；
It is convex stupefied that the third tube body lateral wall close to the end of the 4th tube body is provided with the first anticreep, outside the 4th tube body
Side wall offers several anticreep annular grooves, and it is convex stupefied convex stupefied with third anticreep that the 5th tube body lateral wall is provided with the second anticreep.
Further, it is convex stupefied convex stupefied with third anticreep to be greater than second anticreep for the convex stupefied maximum outside diameter of first anticreep
Maximum outside diameter.
Further, the outer diameter of first tube body, the second tube body, third tube body, the 4th tube body and the 5th tube body is in
Successively decrease setting.
Further, the 5th tube body lateral wall is provided with guiding surface far from the end of the 4th tube body.
Further, first tube body is provided with neck far from the end of the second tube body and connects mounting portion, and the neck connects installation
Portion offers closure gasket groove far from the end face of the first tube body.
Further, the first tube body lateral wall is provided with fixed eckband close to the end of the second tube body, and described second
Tube body lateral wall is provided with limit eckband close to the end of third tube body, is formed and is fixed between the fixed eckband and limit eckband
Card slot.
Further, first anticreep it is convex it is stupefied, the second anticreep is convex stupefied and the convex stupefied cross section profile of third anticreep is in
It is arc-shaped.
Further, the convex stupefied width of second anticreep is greater than the convex stupefied width of the third anticreep.
Further, the cross section profile of the anticreep annular groove is arc-shaped.
Further, the end that the 4th tube body intersects with the 5th tube body, rounded setting at seamed edge.
In conclusion the utility model has the following beneficial effects:
1, use the first anticreep it is convex it is stupefied, the second anticreep is convex stupefied convex stupefied with third anticreep, thus generation prevent sebific duct from falling off
Effect；
2, anticreep annular groove is used, to generate the effect for improving stability after sebific duct presses；
3, guiding surface is used, to generate the effect for facilitating installation sebific duct.
Detailed description of the invention
Fig. 1 is the overall structure diagram of PLVA hydraulic fitting in embodiment；
Fig. 2 is the partial structural diagram of PLVA hydraulic fitting in embodiment.
In figure: 1, the first tube body；11, fixed eckband；2, the second tube body；21, eckband is limited；3, third tube body；31, first
Anticreep is convex stupefied；4, the 4th tube body；41, anticreep annular groove；5, the 5th tube body；51, the second anticreep is convex stupefied；52, third anticreep is convex stupefied；
53, guiding surface；6, neck connects mounting portion；61, closure gasket groove.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Embodiment:
A kind of PLVA hydraulic fitting, referring to Fig.1 comprising sequentially connected first tube body 1, the second tube body 2, third pipe
Body 3, the 4th tube body 4 and the 5th tube body 5, wherein third tube body 3, the 4th tube body 4 and the 5th tube body 5 form sebific duct insertion
Portion is contacted with sebific duct；First tube body 1, the second tube body 2, third tube body 3, the 4th tube body 4 and the 5th tube body 5 in the present embodiment
Outer diameter taper off setting, and be integrally formed.
Referring to Fig.1, the first tube body 1 is extended far from the end of the second tube body 2 has neck to connect mounting portion 6, and neck connects mounting portion 6
End face far from the first tube body 1 offers closure gasket groove 61；Sealing ring (attached to be not shown in the figure), energy are embedded in closure gasket groove 61
Enough improve the leakproofness of installation place.
Referring to Fig.1,1 lateral wall of the first tube body is provided with fixed eckband 11, the second tube body 2 close to the end of the second tube body 2
Lateral wall is provided with limit eckband 21 close to the end of third tube body 3, is formed and is fixed between fixed eckband 11 and limit eckband 21
Card slot；After being arranged sebific duct on hydraulic fitting, need to press sebific duct with sleeve, and fixed card slot is used to carry out sleeve
Limit；Eckband 11 is fixed in the present embodiment to be integrally formed with the first tube body 1, limits eckband 21 and the second tube body 2 is integrated into
Type so as to improve the stability after sleeve is withheld, and then also can be improved the stability of sebific duct, prevent it from falling off.
Referring to Fig.1,3 lateral wall of third tube body is provided with the first anticreep convex stupefied 31, the 5th pipe close to the end of the 4th tube body 4
5 lateral wall of body is provided with the second anticreep convex stupefied 51 and third anticreep convex stupefied 52；The first anticreep convex stupefied 31, second is anti-in the present embodiment
Take off convex stupefied 51 and convex stupefied 52 axial profile of third anticreep be it is arc-shaped, sebific duct is set in glue so as to facilitate
On pipe insertion section.
Referring to Fig.1, for the first anticreep convex stupefied 31 close to the open end of sebific duct, it is convex stupefied that the second anticreep convex stupefied 51 is located at the first anticreep
Between 31 and third anticreep convex stupefied 52, then convex stupefied 31 maximum outside diameter of the first anticreep is greater than the second anticreep convex stupefied 51 in the present embodiment
With convex stupefied 52 maximum outside diameter of third anticreep, and the second anticreep convex stupefied 51 is greater than third anticreep convex stupefied 52 along axis along axial width
To width, so as to improve sebific duct pressing after stability, prevent it from falling off.
Referring to Fig.1,5 lateral wall of the 5th tube body is provided with guiding surface 53 far from the end of the 4th tube body 4, oblique by being oriented to
Face 53, which can facilitate, is set in sebific duct on sebific duct insertion section.
Referring to Fig. 2, open up that there are three anticreep annular grooves 41 on the 4th tube body 4, and in the present embodiment anticreep annular groove 41 axial direction
Cross section profile be it is arc-shaped, then its inner wall has and is partially submerged into anticreep annular groove 41 after sebific duct pressing, so as to further prevent
Only sebific duct falls off；The end that the 4th tube body 4 intersects with the 5th tube body 5 in the present embodiment, rounded setting at seamed edge, so as to
Enough facilitate and sebific duct is set on the 4th tube body 4.
Working principle is as follows:
If be arranged on sebific duct insertion section the first anticreep is convex stupefied 31, the second anticreep is convex stupefied 51, third anticreep convex stupefied 52 and
Dry anticreep annular groove 41, the stability after can be improved sebific duct pressing, to prevent it from falling off.
Claims (10)
1. a kind of PLVA hydraulic fitting, it is characterised in that: including sequentially connected first tube body (1), the second tube body (2),
Three tube bodies (3), the 4th tube body (4) and the 5th tube body (5), wherein the third tube body (3), the 4th tube body (4) and the 5th
Tube body (5) forms sebific duct insertion section；
It is convex stupefied (31) that third tube body (3) lateral wall close to the end of the 4th tube body (4) is provided with the first anticreep, and the described 4th
Tube body (4) lateral wall offers several anticreep annular grooves (41), and it is convex stupefied that the 5th tube body (5) lateral wall is provided with the second anticreep
(51) and third anticreep is convex stupefied (52).
2. PLVA hydraulic fitting according to claim 1, it is characterised in that: the maximum of first anticreep convex stupefied (31)
Outer diameter is greater than the maximum outside diameter of second anticreep convex stupefied (51) and third anticreep convex stupefied (52).
3. PLVA hydraulic fitting according to claim 1, it is characterised in that: first tube body (1), the second tube body
(2), the outer diameter of third tube body (3), the 4th tube body (4) and the 5th tube body (5) tapers off setting.
4. PLVA hydraulic fitting according to claim 3, it is characterised in that: the 5th tube body (5) lateral wall is separate
The end of 4th tube body (4) is provided with guiding surface (53).
5. PLVA hydraulic fitting described in any one of -4 according to claim 1, it is characterised in that: first tube body (1)
End far from the second tube body (2) is provided with neck and connects mounting portion (6), and the neck connects the end of mounting portion (6) far from the first tube body (1)
Face offers closure gasket groove (61).
6. PLVA hydraulic fitting described in any one of -4 according to claim 1, it is characterised in that: first tube body (1)
Lateral wall is provided with fixed eckband (11) close to the end of the second tube body (2), and the second tube body (2) lateral wall is close to third pipe
The end of body (3) is provided with limit eckband (21), forms fixed card slot between the fixed eckband (11) and limit eckband (21).
7. PLVA hydraulic fitting described in any one of -4 according to claim 1, it is characterised in that: first anticreep is convex stupefied
(31), the cross section profile of the second anticreep convex stupefied (51) and third anticreep convex stupefied (52) is arc-shaped.
8. PLVA hydraulic fitting according to claim 7, it is characterised in that: the width of second anticreep convex stupefied (51)
The width of stupefied (52) convex greater than the third anticreep.
9. PLVA hydraulic fitting described in any one of -4 according to claim 1, it is characterised in that: the anticreep annular groove (41)
Cross section profile be arc-shaped.
10. PLVA hydraulic fitting described in any one of -4 according to claim 1, it is characterised in that: the 4th tube body (4)
The end intersected with the 5th tube body (5), rounded setting at seamed edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920401733.4U CN209724856U (en) | 2019-03-27 | 2019-03-27 | PLVA hydraulic fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920401733.4U CN209724856U (en) | 2019-03-27 | 2019-03-27 | PLVA hydraulic fitting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209724856U true CN209724856U (en) | 2019-12-03 |
Family
ID=68688898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920401733.4U Active CN209724856U (en) | 2019-03-27 | 2019-03-27 | PLVA hydraulic fitting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209724856U (en) |
-
2019
- 2019-03-27 CN CN201920401733.4U patent/CN209724856U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220519 Address after: 213002 No. 1-8 Jinniu Road, Binjiang Economic Development Zone, Xinbei District, Changzhou City, Jiangsu Province Patentee after: Infineon hydraulic technology (Changzhou) Co.,Ltd. Address before: 215000 No. 1183, Yuexi Wuzhong Avenue, Wuzhong District, Suzhou City, Jiangsu Province Patentee before: INFIPOWER HYDRAULICS SUZHOU Co.,Ltd. |