CN215806690U - Valve group composed of pilot pipelines - Google Patents
Valve group composed of pilot pipelines Download PDFInfo
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- CN215806690U CN215806690U CN202121741697.XU CN202121741697U CN215806690U CN 215806690 U CN215806690 U CN 215806690U CN 202121741697 U CN202121741697 U CN 202121741697U CN 215806690 U CN215806690 U CN 215806690U
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- linkage segment
- rubber tube
- fixed
- nut
- valve group
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Abstract
The utility model discloses a valve group consisting of pilot pipelines, which comprises a valve seat, wherein the valve seat is provided with the pilot pipelines, each pilot pipeline comprises an integrated joint, a connecting nut and a rubber tube, the connecting nut is connected with the valve seat, each integrated joint comprises a first connecting section and a second connecting section, the first connecting section extends into the rubber tube, the inner diameter of the rubber tube is smaller than the diameter of the first connecting section, the second connecting section is connected with the connecting nut, the first connecting section is provided with a plurality of supporting surfaces and a plurality of conical surfaces, the supporting surfaces and the conical surfaces are arranged at intervals, and the assembly efficiency of the connecting nuts and the rubber tubes is improved through the integrated joints.
Description
Technical Field
The utility model belongs to the field of hydraulic pipelines, and particularly relates to a valve group consisting of pilot pipelines.
Background
All be provided with hydraulic system among current car and the engineering machine tool (hoist, excavator), be equipped with the hydraulic pressure valves of a hydraulic line assembly among the hydraulic system, the oil feed mechanism among the hydraulic system is connected to the hydraulic valve seat, a plurality of guide's pipelines that still are connected on the hydraulic valve seat, a plurality of guide's pipelines are connected with each hydraulic pressure executive respectively to transmit hydraulic oil to hydraulic pressure executive component through guide's pipeline.
The existing pilot pipeline comprises a joint assembly and a rubber pipe, the joint assembly comprises a plurality of parts, and all the parts of the joint assembly need to be connected together before the rubber pipe and a valve seat are connected, so that the assembly efficiency of the valve group is low.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides the valve group consisting of pilot pipelines, which can improve the installation efficiency of the valve group.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a valves that guide's pipeline is constituteed, includes the disk seat, be provided with guide's pipeline on the disk seat, guide's pipeline includes that the integral type connects, coupling nut and rubber tube, coupling nut is connected with the disk seat, the integral type connects including first linkage segment and second linkage segment, first linkage segment stretches into in the rubber tube, the internal diameter of rubber tube is less than the diameter of first linkage segment, the second linkage segment is connected with coupling nut, be provided with a plurality of holding surfaces and a plurality of conical surface on the first linkage segment, holding surface and conical surface interval arrangement.
Further, coupling nut's one end is provided with fixed sleeve, be provided with T type fixed orifices on the fixed sleeve, the second linkage segment is the T type, the second linkage segment stretches into in the T type fixed orifices, fixed sleeve makes fixed orifices and second linkage segment contradict through compressing tightly the inside shrink of equipment.
Further, be provided with solid fixed ring near second linkage segment department on the first linkage segment, the cover is equipped with connecting sleeve on the rubber tube, the last fixed slot that corresponds solid fixed ring that is provided with of connecting sleeve, the fixed slot makes fixed slot and solid fixed ring inconsistent through compressing tightly the inside shrink of equipment, the rubber tube stretches into in the connecting sleeve.
Further, a transition joint is arranged between the connecting nut and the valve seat, and two ends of the transition joint are respectively in threaded connection with the connecting nut and the valve seat.
Furthermore, a first sealing ring is arranged on the second connecting section, and a second sealing ring is arranged between the transition joint and the valve seat.
Furthermore, a plurality of fixed convex rings are arranged on the inner wall of the connecting sleeve and are abutted to the rubber tube.
Further, a fixing nut is arranged between the fixing ring and the second connecting section.
Compared with the prior art, the utility model has the beneficial effects that: the connecting rod nut is connected with the rubber tube through the integrated joint, so that the assembly efficiency of the pilot pipeline is improved, and the assembly efficiency of the valve bank is improved; the connection strength between the integrated joint and the integrated joint is improved through the fixing sleeve on the connecting nut; the connecting sleeve is arranged between the first connecting section and the rubber pipe, so that the mounting strength of the first connecting section and the rubber pipe is increased; the first sealing ring and the second sealing ring are arranged to improve the sealing performance of the pilot pipeline and the valve seat.
Drawings
FIG. 1 is a schematic view of the valve block of the present invention;
FIG. 2 is a schematic view of the pilot tube connected to the valve seat;
FIG. 3 is a schematic cross-sectional view of the connection of the pilot tube to the valve seat;
FIG. 4 is a schematic structural view of an integral joint;
FIG. 5 is a schematic structural view of a transition joint;
FIG. 6 is a schematic view of a coupling for the coupling nut;
fig. 7 is a schematic view of the construction of the connecting sleeve.
Reference numerals: 1. a valve seat; 2. a pilot line; 3. an integral joint; 4. a connecting nut; 5. a hose; 6. a first connection section; 61. a support surface; 62. a conical surface; 7. a second connection section; 8. fixing the sleeve; t-shaped fixing holes; 10. a fixing ring; 11. a connecting sleeve; 12. a transition joint; 13. a first seal ring; 14. a second seal ring; 15. fixing the convex ring; 16. and (5) fixing the nut.
Detailed Description
In the description of the present invention, it should be noted that, for the terms of orientation, such as "central", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicate that the orientation and positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific scope of the present invention.
Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, a definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and in the description of the utility model, "a number" or "a number" means two or more unless explicitly specified otherwise.
The present invention is further explained with reference to fig. 1 to 7.
The utility model provides a valves that guide's pipeline is constituteed, includes disk seat 1, be provided with guide's pipeline 2 on the disk seat 1, guide's pipeline 2 includes that the integral type connects 3, coupling nut 4 and rubber tube 5, coupling nut 4 is connected with disk seat 1, the integral type connects 3 including first linkage segment 6 and second linkage segment 7, first linkage segment 6 stretches into in the rubber tube 5, the internal diameter of rubber tube 5 is less than the diameter of first linkage segment 6, second linkage segment 7 is connected with coupling nut 4, be provided with a plurality of holding surfaces 61 and a plurality of conical surface 62 on the first linkage segment 6, holding surface 61 and conical surface 62 interval arrangement.
As shown in fig. 1 to 7, when the pilot line 2 is connected to the valve seat 1, the valve seat 1 is attached to the hydraulic system, and the pilot line 2 is connected, firstly, the first connecting section 6 on the integrated joint 3 is connected with the rubber pipe 5, the second connecting section 7 is connected with the connecting nut 4, when the first connecting section 6 extends into the rubber tube 5, the inner hole of the rubber tube 5 is expanded through the conical surface 62 on the first connecting section 6, the inner hole of the rubber tube 5 which is expanded by the supporting surface 61 is supported, so that the inner wall of the rubber tube 5 is tightly attached to the supporting surface 61, meanwhile, the installation strength of the first connecting section 6 and the rubber tube 5 is increased by arranging a plurality of supporting surfaces 61, meanwhile, the sealing performance between the first connecting section 6 and the rubber tube 5 is improved, the leakage of transmission oil is prevented, the connecting nut 4 and the rubber tube 5 can be quickly connected through the integrated connector 3, and the assembly efficiency of the pilot pipeline 2 is improved.
As shown in fig. 3, in the preferred embodiment, a fixing sleeve 8 is disposed at one end of the connecting nut 4, a T-shaped fixing hole 9 is disposed on the fixing sleeve 8, and one end of the T-shaped fixing hole 9, which has a larger aperture, is connected to the connecting nut 4, the second connecting section 7 is T-shaped, and the end diameter of the second connecting section 7 is larger, so that when the second connecting section 7 and the connecting nut 4 are assembled, the second connecting section 7 extends into the T-shaped fixing hole 9, and then the fixing sleeve 8 is compressed inwards by a pressing device, so that the fixing sleeve forms a circular truncated cone shape, that is, the inner wall of the T-shaped fixing hole 9 on the fixing sleeve is abutted against and tightly attached to the second connecting section 7, so that the connecting nut 4 is fixed on the second connecting section 7, and the fixing effect is good.
As shown in fig. 3, it is preferable in this embodiment that a fixing ring 10 is disposed at a position, close to the second connection section 7, of the first connection section 6, the rubber tube 5 is sleeved with a connection sleeve 11, the rubber tube 5 extends into the connection sleeve 11, before the first connection section 6 is connected with the rubber tube 5, the connection sleeve 11 is sleeved on the rubber tube 5, so that the outer surface of the rubber tube 5 abuts against the inner wall of the connection sleeve 11, and then the first connection section 6 extends into the rubber tube 5, when the inner wall of the rubber tube 5 is expanded by the first connection section 6, the outer wall of the rubber tube 5 is expanded outwards as well, and is tightly attached to the inner wall of the connection sleeve 11, so that the connection strength between the first connection section 6 and the rubber tube 5 is increased by the connection sleeve 11, the sealing performance is improved, and leakage is prevented.
As shown in fig. 4, preferably, the connecting sleeve 11 is provided with a fixing groove corresponding to the fixing ring 10, when the connecting sleeve 11 is sleeved on the rubber tube 5 and the first connecting section 6 extends into the rubber tube 5, the fixing ring 10 on the first connecting section 6 aligns with the fixing groove on the connecting sleeve 11, and then one end of the connecting sleeve 11 on which the fixing groove is provided is compressed in the tank through the pressing device, so that the compressed end portion forms a circular truncated cone shape, the fixing groove abuts against the fixing ring 10, thereby fixedly connecting the connecting sleeve 11 with the first connecting section 6, and preventing the connecting sleeve 11 from being separated from the rubber tube 5 and affecting the transportation of the oil.
As shown in fig. 5, a transition joint 12 is preferably arranged between the connection nut 4 and the valve seat 1 in this embodiment, and two ends of the transition joint 12 are respectively in threaded connection with the connection nut 4 and the valve seat 1, that is, the pilot pipeline 2 can be quickly connected with the valve seat 1 through the transition joint 12, so that the installation is convenient, the disassembly and the replacement can be quickly performed, and the maintenance efficiency is improved.
As shown in fig. 3, in the preferred embodiment, the second connection section 7 is provided with a first sealing ring 13, and after the second connection section 7 extends into the T-shaped fixing hole 9 and presses the fixing sleeve 8 against the seat, the first sealing ring 13 on the second connection section 7 is pressed by the inner wall of the T-shaped fixing hole 9 and is tightly attached to the inner wall of the T-shaped fixing hole 9, so as to improve the sealing effect between the connection nut 4 and the integral joint 3.
As shown in fig. 3, preferably, a second sealing ring 14 is disposed between the transition joint 12 and the valve seat 1, and the second sealing ring 14 is located on an end surface of the transition joint 12, so that after the transition joint 12 is screwed to the valve seat 1, the second sealing ring is tightly attached to the valve seat 1, thereby improving the sealing performance between the transition joint 12 and the valve seat 1.
As shown in fig. 7, in the preferred embodiment, a plurality of fixed protruding rings 15 are disposed on the inner wall of the connecting sleeve 11, the fixed protruding rings 15 are abutted against the rubber tube 5, and the fixed protruding rings 15 replace the inner wall of the connecting sleeve 11 to abut against the rubber tube 5, so as to improve the connection strength between the rubber tube 5 and the connecting sleeve.
As shown in fig. 4, in the preferred embodiment, a fixing nut 16 is disposed between the fixing ring 10 and the second connecting section 7, and when the first connecting section 6 extends into the rubber tube 5, the fixing nut 16 can be rotated to drive the first connecting section 6 to rotate and extend into the rubber tube 5 and expand the rubber tube 5, so as to improve the assembling efficiency of the first connecting section 6 and the rubber tube 5.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.
Claims (7)
1. A valve group that guide's pipeline is constituteed which characterized in that: the integrated valve comprises a valve seat, be provided with the guide's pipeline on the disk seat, the guide's pipeline includes that the integral type connects, coupling nut and rubber tube, coupling nut is connected with the disk seat, the integral type connects including first linkage segment and second linkage segment, first linkage segment stretches into in the rubber tube, the internal diameter of rubber tube is less than the diameter of first linkage segment, the second linkage segment is connected with coupling nut, be provided with a plurality of holding surfaces and a plurality of conical surfaces on the first linkage segment, holding surface and conical surface interval arrangement.
2. Valve group of pilot lines according to claim 1, characterized in that: the one end of coupling nut is provided with fixed sleeve, be provided with T type fixed orifices on the fixed sleeve, the second linkage segment is the T type, the second linkage segment stretches into in the T type fixed orifices, fixed sleeve makes fixed orifices contradict with the second linkage segment through compressing tightly the inside shrink of equipment.
3. Valve group of pilot lines according to claim 2, characterized in that: be provided with solid fixed ring near second linkage segment department on the first linkage segment, the cover is equipped with connecting sleeve on the rubber tube, the last fixed slot that is provided with corresponding solid fixed ring of connecting sleeve, the fixed slot makes fixed slot and solid fixed ring inconsistent through the inside shrink of compressing tightly equipment, the rubber tube stretches into in the connecting sleeve.
4. Valve group of pilot lines according to claim 3, characterized in that: and a transition joint is arranged between the connecting nut and the valve seat, and two ends of the transition joint are respectively in threaded connection with the connecting nut and the valve seat.
5. Valve group of pilot lines according to claim 4, characterized in that: and a first sealing ring is arranged on the second connecting section, and a second sealing ring is arranged between the transition joint and the valve seat.
6. Valve group of pilot lines according to claim 5, characterized in that: the inner wall of the connecting sleeve is provided with a plurality of fixed convex rings, and the fixed convex rings are abutted to the rubber tube.
7. Valve group of pilot lines according to claim 6, characterized in that: and a fixing nut is arranged between the fixing ring and the second connecting section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121741697.XU CN215806690U (en) | 2021-07-28 | 2021-07-28 | Valve group composed of pilot pipelines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121741697.XU CN215806690U (en) | 2021-07-28 | 2021-07-28 | Valve group composed of pilot pipelines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215806690U true CN215806690U (en) | 2022-02-11 |
Family
ID=80126346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121741697.XU Active CN215806690U (en) | 2021-07-28 | 2021-07-28 | Valve group composed of pilot pipelines |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215806690U (en) |
-
2021
- 2021-07-28 CN CN202121741697.XU patent/CN215806690U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 314006 Yongxu Road, Daqiao Town, Nanhu District, Jiaxing City, Zhejiang Province Patentee after: Zhejiang Huahua Hydraulic Technology Co.,Ltd. Address before: 314006 Yongxu Road, Daqiao Town, Nanhu District, Jiaxing City, Zhejiang Province Patentee before: JIAXING HUAREN HYDRAULIC TECHNOLOGY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A valve group composed of pilot pipelines Effective date of registration: 20220624 Granted publication date: 20220211 Pledgee: Bank of Jiaxing Nanhu branch of Limited by Share Ltd Pledgor: Zhejiang Huahua Hydraulic Technology Co.,Ltd. Registration number: Y2022980008874 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |