CN219774478U - Bridging valve block assembly - Google Patents
Bridging valve block assembly Download PDFInfo
- Publication number
- CN219774478U CN219774478U CN202320814686.2U CN202320814686U CN219774478U CN 219774478 U CN219774478 U CN 219774478U CN 202320814686 U CN202320814686 U CN 202320814686U CN 219774478 U CN219774478 U CN 219774478U
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- China
- Prior art keywords
- valve block
- oil
- joint
- mounting hole
- straight
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Links
- 238000007789 sealing Methods 0.000 claims description 18
- 238000004891 communication Methods 0.000 claims description 4
- 239000003921 oil Substances 0.000 description 62
- 230000000694 effects Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- Valve Housings (AREA)
Abstract
The utility model discloses a bridging valve block assembly, comprising: the straight-through joint is in threaded connection with the oil port of the hydraulic cylinder and is communicated with the cavity of the hydraulic cylinder; the valve block is arranged above the straight-through joint, and is internally provided with a mounting hole and an oil duct communicated with the mounting hole; the oil passing bolt is inserted into the mounting hole and is in threaded connection with the straight-through joint, the oil passing bolt is provided with an oil passing channel, and the straight-through joint, the mounting hole, the oil passing channel and the oil duct are communicated. Through the mode, the bridging type valve block assembly has the advantages that the through joint is used as a connecting part of the valve block, the valve block is prevented from being directly connected with the cylinder barrel, the valve block is convenient to assemble and disassemble, the requirement on the wall thickness of the cylinder barrel is reduced, and the design cost is reduced.
Description
Technical Field
The utility model relates to the field of hydraulic cylinders, in particular to a bridging type valve block assembly for a hydraulic oil port.
Background
Valve blocks are common components for achieving oil in and out and adjustment of hydraulic cylinders. The valve block is internally provided with a control valve and a corresponding oil way through hole structure, and the valve block is correspondingly arranged on an oil port of the cylinder barrel to realize an oil control function.
In the prior art, as shown in fig. 4, the valve block is fastened to the side of the cylinder by a socket head cap screw, and a sealing ring is interposed between the valve block and the cylinder to perform a sealing function. The existing structure has higher requirements on the wall thickness of the cylinder barrel and the processing technology, the thickness of the cylinder barrel is thinner, the depth of a fixed thread is shallower, the screw for fixing the valve block has a loosening risk, the pressing force of a sealing ring at the bottom of the valve block is insufficient, and the oil leakage phenomenon is easy to occur; the thicker wall thickness of the cylinder barrel can increase the overall weight of the cylinder barrel, increase the cost and do not meet the requirement of light weight. If the customer requires a valveless configuration, the overall configuration would need to be redesigned.
Disclosure of Invention
The utility model mainly solves the technical problem of providing a bridging type valve block assembly, which uses a straight joint as a connecting part of a valve block, avoids the valve block from being directly connected with a cylinder barrel, is convenient to assemble and disassemble, reduces the requirement on the wall thickness of the cylinder barrel, and reduces the design cost.
In order to solve the technical problems, the utility model adopts a technical scheme that: there is provided a bridging valve block assembly comprising: the straight-through joint is in threaded connection with the oil port of the hydraulic cylinder and is communicated with the cavity of the hydraulic cylinder; the valve block is arranged above the straight-through joint, and is internally provided with a mounting hole and an oil duct communicated with the mounting hole; the oil passing bolt is inserted into the mounting hole and is in threaded connection with the straight-through joint, the oil passing bolt is provided with an oil passing channel, and the straight-through joint, the mounting hole, the oil passing channel and the oil duct are communicated.
In a preferred embodiment of the present utility model, the upper end of the through joint is a threaded hole, and the lower end of the stud of the oil passing bolt is provided with a threaded section matched with the threaded hole.
In a preferred embodiment of the utility model, a sealing gasket is arranged between the head of the oil passing bolt and the valve block, the mounting hole is a unthreaded hole, and a gap is arranged between the mounting hole and the stud of the oil passing bolt.
In a preferred embodiment of the present utility model, the oil passage includes a longitudinal oil hole communicating with the through joint and a radial oil hole communicating with the longitudinal oil hole mounting hole.
In a preferred embodiment of the present utility model, the radial oil holes are arranged at intervals in both the circumferential direction and the longitudinal direction.
In a preferred embodiment of the utility model, a combination gasket is provided between the bottom surface of the valve block and the through-connection.
In a preferred embodiment of the present utility model, the hydraulic cylinder is a swing hydraulic cylinder, and the two through connectors are respectively connected to two oil ports of the swing hydraulic cylinder through threads.
The beneficial effects of the utility model are as follows: according to the bridging type valve block assembly, the through joint is used as a bridging base for installing the valve block, so that the valve block is prevented from being directly connected with a hydraulic cylinder to be processed, and the requirement on the wall thickness of the cylinder barrel is reduced.
According to the bridging type valve block assembly, the valve block is connected with the through joint through the oil passing bolt, so that the valve block can be quickly disassembled and assembled, the connecting structure is simple, and the manufacturing cost is reduced; oil passing between an oil cavity of the hydraulic cylinder and the valve block is realized through the oil passing channel, and the requirement of the hydraulic cylinder on interchangeability of the valve block is met.
The bridging type valve block assembly has the advantages that the sealing gasket between the valve block and the straight-through joint plays a role in sealing, and the influence of the vibration effect of the valve block on the hydraulic cylinder due to oil flow is reduced.
Drawings
For a clearer description of the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the description below are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art, wherein:
FIG. 1 is a schematic illustration of a bridge valve block assembly according to a preferred embodiment of the present utility model;
FIG. 2 is a partial schematic view of the structure of FIG. 1;
FIG. 3 is a perspective view of FIG. 1;
FIG. 4 is a schematic diagram of a prior art valve block;
the components in the drawings are marked as follows: 1. the hydraulic cylinder comprises a straight joint, 2, a valve block, 3, an oil passing bolt, 31, an oil passing channel, 32, a sealing gasket, 4, a combined sealing gasket, 5 and a hydraulic cylinder.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below. The structures, proportions, sizes, etc. shown in the drawings are shown only in connection with the present disclosure, and are not intended to limit the scope of the utility model, since any modification, variation in proportions, or adjustment of the size, etc. of the structures, proportions, etc. should be considered as falling within the spirit and scope of the utility model, without affecting the effect or achievement of the objective. Also, the terms "upper", "lower", "left", "right", "middle", and the like are used herein for descriptive purposes only and are not intended to limit the scope of the utility model for modification or adjustment of the relative relationships thereof, as they are also considered within the scope of the utility model without substantial modification to the technical context.
Referring to fig. 1 and 2, a bridge valve block assembly is installed on an oil port of a hydraulic cylinder and is used for controlling oil flow, in this embodiment, a swing hydraulic cylinder is taken as an example, and other hydraulic cylinders can also be adapted to the bridge valve block assembly of the present utility model.
The bridging valve block assembly comprises a straight-through joint 1, wherein the straight-through joint 1 is in threaded connection with an oil port of the hydraulic cylinder and is communicated with a cavity of the hydraulic cylinder; the number of the through joints 1 is two, the large cavity oil port and the small cavity oil port of the swing hydraulic cylinder are threaded interfaces, the through joints 1 are installed through threaded tightening, and the through joints 1 are connected to the swing hydraulic cylinder to serve as bridging bases for dismounting and connecting the valve blocks 2.
The straight joint 1 is provided with an inner hole with a through structure, the upper end of the inner hole of the straight joint 1 is provided with a threaded hole, and the lower end of the inner hole is communicated with the cavity of the swing hydraulic cylinder, so that oil in the cavity of the swing hydraulic cylinder can enter and exit.
The valve block 2 is arranged above the straight-through joint 1, meanwhile, a combined sealing gasket 4 is arranged between the bottom surface of the valve block 2 and the straight-through joint 1, the combined sealing gasket 4 seals a gap between the valve block 2 and the straight-through joint 1, leakage of oil is prevented, and meanwhile, the influence of vibration effect generated by oil flowing of the valve block 2 on the swing hydraulic cylinder is reduced. The valve block 2 is internally provided with a mounting hole and an oil duct communicated with the mounting hole, and after the valve block 2 is mounted in place, the cavity of the swing hydraulic cylinder, the straight-through joint 1, the mounting hole and the oil duct are in a communication state. The combined sealing gasket 4 adopts a conventional sealing gasket or gasket combination, and can be reasonably selected according to the size and the sealing requirement, and the details are not repeated here.
The lower end of the stud of the oil passing bolt 3 is provided with a threaded section matched with the threaded hole, and the upper end of the threaded section is of a groove-shaped structure without threads. The oil passing bolt 3 is inserted into the mounting hole and is in threaded connection with the through joint 1, and the valve block 2 is fastened on the through joint 1 through the oil passing bolt 3, so that the valve block 2 is mounted. Under the use occasion that the valve block 2 is not needed, the oil passing bolt 3 can be unscrewed, the valve block 2, the combined sealing gasket 4 and the straight-through joint 1 are taken down, and the sealing oil port is screwed by adopting a pipe cone thread.
The oil passing bolt 3 is provided with an oil passing channel 31, and the oil passing channel 31 is arranged at a groove-shaped structure without threads. The oil passage 31 includes longitudinal oil holes and radial oil holes, which are arranged at intervals in both the circumferential direction and the longitudinal direction. The longitudinal oil hole is communicated with the straight-through joint 1, and the radial oil hole is communicated with the longitudinal oil hole mounting hole. The straight joint 1, the mounting hole, the oil passage 31 and the oil passage are communicated. The two cavities of the swing hydraulic cylinder can be communicated through the two through joints 1, the oil passing bolt 3 and the oil duct.
A sealing washer 32 is arranged between the head of the oil passing bolt 3 and the valve block 2, the mounting hole is a smooth hole, and a gap is reserved between the mounting hole and the stud of the oil passing bolt 3. The sealing washer 32 seals the oil passing bolt 3 and the valve block 2, preventing oil from leaking through the gap between the mounting hole and the oil passing bolt 3.
As shown in fig. 3, a conventional valve is further arranged in the valve block, the communication of the oil in the valve block is controlled through the valve, the valve is set according to the working condition requirement of the swing hydraulic cylinder, and the whole structure of the valve block is in the prior art and is not described herein.
Compared with the prior art, the bridging type valve block assembly has the advantages that the through joint is used as a connecting part of the valve block, the valve block is prevented from being directly connected with the cylinder barrel, the valve block is convenient to assemble and disassemble, the requirement on the wall thickness of the cylinder barrel is reduced, and the design cost is reduced.
The utility model and its embodiments have been described above by way of illustration and not limitation, and the utility model is illustrated in the accompanying drawings and described in the drawings in which the actual structure is not limited thereto. Therefore, if one of ordinary skill in the art is informed by this disclosure, the structural mode and the embodiments similar to the technical scheme are not creatively designed without departing from the gist of the present utility model.
Claims (7)
1. A bridging valve block assembly, comprising:
the straight-through joint is in threaded connection with the oil port of the hydraulic cylinder and is communicated with the cavity of the hydraulic cylinder;
the valve block is arranged above the straight-through joint, and is internally provided with a mounting hole and an oil duct communicated with the mounting hole;
the oil passing bolt is inserted into the mounting hole and is in threaded connection with the straight-through joint, the oil passing bolt is provided with an oil passing channel, and the straight-through joint, the mounting hole, the oil passing channel and the oil duct are communicated.
2. The bridging valve block assembly of claim 1, wherein the upper end of the pass-through connector is a threaded bore and the lower end of the threaded stud of the oil passing bolt has a threaded section that mates with the threaded bore.
3. The bridging valve block assembly of claim 2, wherein a sealing gasket is disposed between the head of the oil passing bolt and the valve block, the mounting hole is a smooth hole, and a gap is provided between the mounting hole and the stud of the oil passing bolt.
4. The bridging valve block assembly of claim 1, wherein the oil passage includes a longitudinal oil bore in communication with the pass-through fitting and a radial oil bore in communication with the longitudinal oil bore mounting bore.
5. The bridging valve block assembly of claim 4, wherein the radial oil holes are spaced apart in both the circumferential and longitudinal directions.
6. The bridging valve block assembly of claim 1, wherein a combination gasket is provided between the bottom surface of the valve block and the pass-through connector.
7. The bridge valve block assembly of any one of claims 1-6, wherein the hydraulic cylinder is a swing hydraulic cylinder, and the two straight-through connector threads are respectively connected to two ports of the swing hydraulic cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320814686.2U CN219774478U (en) | 2023-04-13 | 2023-04-13 | Bridging valve block assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320814686.2U CN219774478U (en) | 2023-04-13 | 2023-04-13 | Bridging valve block assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219774478U true CN219774478U (en) | 2023-09-29 |
Family
ID=88105012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320814686.2U Active CN219774478U (en) | 2023-04-13 | 2023-04-13 | Bridging valve block assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219774478U (en) |
-
2023
- 2023-04-13 CN CN202320814686.2U patent/CN219774478U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |