CN209725547U - PL hydraulic fitting - Google Patents
PL hydraulic fitting Download PDFInfo
- Publication number
- CN209725547U CN209725547U CN201920401732.XU CN201920401732U CN209725547U CN 209725547 U CN209725547 U CN 209725547U CN 201920401732 U CN201920401732 U CN 201920401732U CN 209725547 U CN209725547 U CN 209725547U
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- tube body
- annular groove
- hydraulic fitting
- sebific duct
- fitting according
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Abstract
The utility model discloses a kind of PL hydraulic fittings, are related to hydraulic fitting field, it is intended to solve after traditional hydraulic fitting connect with sebific duct, sebific duct stability deficiency problem.Its drip irrigation device includes that sequentially connected neck connects mounting portion, the first tube body, the second tube body, third tube body, the 4th tube body and the 5th tube body；The third tube body, the 5th tube body and the 4th tube body form sebific duct insertion section, and three's outer diameter is in setting of successively successively decreasing；The 4th tube body lateral wall is provided with that anticreep is convex stupefied, and the 5th tube body lateral wall offers variform first annular groove, the second annular groove and third annular groove close to the end of the 5th tube body.The utility model can be improved stability and leakproofness after sebific duct pressing, prevent it from falling off.
Description
Technical field
The utility model relates to hydraulic fittings, more specifically, it relates to a kind of PL 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 PL hydraulic fitting, tool
The advantage of stability and leakproofness after thering is sebific duct to press.
To achieve the above object, the utility model provides following technical solution:
A kind of PL hydraulic fitting, including sequentially connected neck connect mounting portion, the first tube body, the second tube body, third tube body,
4th tube body and the 5th tube body；The third tube body, the 5th tube body and the 4th tube body form sebific duct insertion section, and outside three
Diameter is in setting of successively successively decreasing；
The 4th tube body lateral wall close to the end of the 5th tube body is provided with anticreep convex stupefied, the 5th tube body lateral wall
Offer variform first annular groove, the second annular groove and third annular groove.
Further, the convex stupefied cross section profile of the anticreep is arc-shaped.
Further, the convex stupefied maximum outside diameter of the anticreep is equal to the outer diameter of third tube body.
Further, several first annular grooves are offered on the 5th tube body, and the first annular groove is located on the outside of the 5th tube body
Wall is close to the convex stupefied end of anticreep.
Further, the cross section profile of first annular groove is arc-shaped.
Further, second annular groove and two third annular grooves, and second ring are offered on the 5th tube body
Slot position is between the first annular groove and third annular groove.
Further, the depth capacity of second annular groove is greater than the depth capacity of the first annular groove and third annular groove.
Further, the cross section profile of second annular groove includes the second long bevel edge and the second short bevel edge of intersection, described
Second long bevel edge is close to third annular groove.
Further, the cross section profile of the third annular groove includes the long bevel edge of third and the short bevel edge of third of intersection, described
The long bevel edge of third is close to the second annular groove.
Further, the 5th tube body lateral wall is provided with guiding surface far from the end of the 4th tube body.
In conclusion the utility model has the following beneficial effects:
1, it is convex stupefied to use anticreep, to generate the effect for improving sebific duct stability and leakproofness；
2, variform first annular groove, the second annular groove and third annular groove are used, improves sebific duct stability to generate
With the effect of leakproofness；
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 PL hydraulic fitting in embodiment；
Fig. 2 is the partial structural diagram of PL 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；4, the 4th
Tube body；41, anticreep is convex stupefied；5, the 5th tube body；51, guiding surface；52, the first annular groove；53, the second annular groove；54, third annular groove；
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 PL hydraulic fitting, referring to Fig.1 comprising sequentially connected neck connects mounting portion 6, the first tube body 1, second pipe
Body 2, third tube body 3, the 4th tube body 4 and the 5th tube body 5, and six are integrally formed；Wherein third tube body 3, the 4th tube body 4
And the 5th tube body 5 formed sebific duct insertion section, when hydraulic fitting is connect with sebific duct, sebific duct is set on sebific duct insertion section；The
Five tube bodies, 5 lateral wall is provided with guiding surface 51 far from the end of the 4th tube body 4, and sebific duct is set in sebific duct so as to facilitate
On insertion section.
Referring to Fig.1, neck connects mounting portion 6 and offers closure gasket groove 61 far from the end face of the first tube body 1, in closure gasket groove 61
Being embedded sealing ring (attached to be not shown in the figure) can be improved the leakproofness of installation place；First tube body, 1 lateral wall is close to the second tube body 2
End is provided with fixed eckband 11, and 2 lateral wall of the second tube body is provided with limit eckband 21 close to the end of third tube body 3, fixed
Fixed card slot is formed between eckband 11 and limit eckband 21；After being arranged sebific duct on hydraulic fitting, need with sleeve to sebific duct into
Row pressing, and fixed card slot is then used to limit sleeve；Eckband 11 is fixed in the present embodiment to be integrally formed with the first tube body 1,
Limit eckband 21 is integrally formed with the second tube body 2, so as to improve the stability after sleeve is withheld, and then also can be improved
The stability of sebific duct, prevents it from falling off.
Referring to Fig.1,4 lateral wall of the 4th tube body is provided with anticreep convex stupefied 41 close to the end of the 5th tube body 5, in the present embodiment
The outer diameter of third tube body 3, the 5th tube body 5 and the 4th tube body 4 in successively successively decreasing setting, and convex stupefied 41 maximum outside diameter of anticreep and
The outer diameter of third tube body 3 is identical, and then forms the structure of " deep-shallow-deep "；Sebific duct is set on sebific duct insertion section, through pressing
Afterwards, the structure of " deep-shallow-deep " can effectively prevent sebific duct to fall off, and improve the stability and leakproofness of sebific duct；Prevent in the present embodiment
It takes off convex stupefied 41 axial profile to be arc-shaped, and third tube body 3 chamfered is set close to the edges and corners of 4 end of the 4th tube body
It sets, sebific duct is set on sebific duct insertion section so as to facilitate.
Referring to Fig. 2,5 lateral wall of the 5th tube body offers variform first annular groove 52, the second annular groove 53 and third ring
Slot 54, wherein the quantity of the first annular groove 52 is six, the quantity of the second annular groove 53 is one, and the quantity of third annular groove 54 is two
It is a；First annular groove 52 is located on the 5th tube body 5 close to convex stupefied 41 end of anticreep, and the second annular groove 53 be located at the first annular groove 52 with
Between third annular groove 54；The depth capacity of the second annular groove 53 is greater than the maximum of the first annular groove 52 and third annular groove 54 in the present embodiment
Depth forms the structure of " shallow-deep-shallow ", so as to improve the stability and leakproofness of sebific duct.
Referring to Fig. 2, the axial profile of the first annular groove 52 is arc-shaped in the present embodiment, be in order to facilitate processing, after
And the first annular groove 52 of dense distribution is formed, the first annular groove 52 of dense distribution can effectively prevent sebific duct to fall off, and then improve
The stability and leakproofness of sebific duct；The axial profile of second annular groove 53 includes the second long bevel edge and the second short bevel edge, and the
Two long bevel edges are close to third annular groove 54；The axial profile of third annular groove 54 includes the long bevel edge of third and the short bevel edge of third, and
The long bevel edge of third is close to the second annular groove 53；Variform first annular groove 52, the second annular groove 53 and third annular groove 54, can be effective
Improve the stability and leakproofness of sebific duct.
Working principle is as follows:
Anticreep convex stupefied 41 and variform first annular groove 52, the second annular groove 53 and third are set on sebific duct insertion section
Annular groove 54, stability and leakproofness after capable of effectively improving sebific duct pressing, prevents it from falling off.
Claims (10)
1. a kind of PL hydraulic fitting, it is characterised in that: connect mounting portion (6), the first tube body (1), including sequentially connected neck
Two tube bodies (2), third tube body (3), the 4th tube body (4) and the 5th tube body (5)；The third tube body (3), the 5th tube body (5)
And the 4th tube body (4) form sebific duct insertion section, and three's outer diameter is in successively successively decreasing setting；
4th tube body (4) lateral wall close to the end of the 5th tube body (5) is provided with anticreep convex stupefied (41), the 5th tube body
(5) lateral wall offers variform first annular groove (52), the second annular groove (53) and third annular groove (54).
2. PL hydraulic fitting according to claim 1, it is characterised in that: the cross section profile of the anticreep convex stupefied (41) is in
It is arc-shaped.
3. PL hydraulic fitting according to claim 2, it is characterised in that: the maximum outside diameter etc. of the anticreep convex stupefied (41)
Outer diameter in third tube body (3).
4. PL hydraulic fitting according to any one of claim 1-3, it is characterised in that: on the 5th tube body (5)
Several first annular grooves (52) are offered, and the first annular groove (52) is located at the 5th tube body (5) lateral wall close to anticreep convex stupefied (41)
End.
5. PL hydraulic fitting according to claim 4, it is characterised in that: the cross section profile of first annular groove (52) is
It is arc-shaped.
6. PL hydraulic fitting according to claim 4, it is characterised in that: offer one on the 5th tube body (5)
Second annular groove (53) and two third annular grooves (54), and second annular groove (53) is located at the first annular groove (52) and third annular groove
(54) between.
7. PL hydraulic fitting according to claim 6, it is characterised in that: the depth capacity of second annular groove (53) is big
Depth capacity in the first annular groove (52) and third annular groove (54).
8. PL hydraulic fitting according to claim 6, it is characterised in that: the cross section profile packet of second annular groove (53)
The the second long bevel edge and the second short bevel edge of intersection are included, the second long bevel edge is close to third annular groove (54).
9. PL hydraulic fitting according to claim 8, it is characterised in that: the cross section profile packet of the third annular groove (54)
The long bevel edge of third and the short bevel edge of third of intersection are included, the long bevel edge of third is close to the second annular groove (53).
10. PL hydraulic fitting according to any one of claim 1-3, it is characterised in that: the 5th tube body (5) is outside
Side wall is provided with guiding surface (51) far from the end of the 4th tube body (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920401732.XU CN209725547U (en) | 2019-03-27 | 2019-03-27 | PL hydraulic fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920401732.XU CN209725547U (en) | 2019-03-27 | 2019-03-27 | PL hydraulic fitting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209725547U true CN209725547U (en) | 2019-12-03 |
Family
ID=68688900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920401732.XU Active CN209725547U (en) | 2019-03-27 | 2019-03-27 | PL hydraulic fitting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209725547U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111981224A (en) * | 2020-09-03 | 2020-11-24 | 海盐四通管件制造有限公司 | Hose connector for protecting hose |
| CN112066121A (en) * | 2020-09-03 | 2020-12-11 | 海盐四通管件制造有限公司 | Hydraulic hose connector with good sealing performance |
| CN113944816A (en) * | 2021-09-28 | 2022-01-18 | 上海汽车制动系统有限公司 | Design method for riveting connection reliability of hydraulic brake hose |
-
2019
- 2019-03-27 CN CN201920401732.XU patent/CN209725547U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111981224A (en) * | 2020-09-03 | 2020-11-24 | 海盐四通管件制造有限公司 | Hose connector for protecting hose |
| CN112066121A (en) * | 2020-09-03 | 2020-12-11 | 海盐四通管件制造有限公司 | Hydraulic hose connector with good sealing performance |
| CN113944816A (en) * | 2021-09-28 | 2022-01-18 | 上海汽车制动系统有限公司 | Design method for riveting connection reliability of hydraulic brake hose |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220517 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. |
|
| TR01 | Transfer of patent right |