CN215293048U - Anti-blocking hydraulic valve block for engineering machinery - Google Patents
Anti-blocking hydraulic valve block for engineering machinery Download PDFInfo
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- CN215293048U CN215293048U CN202120820704.9U CN202120820704U CN215293048U CN 215293048 U CN215293048 U CN 215293048U CN 202120820704 U CN202120820704 U CN 202120820704U CN 215293048 U CN215293048 U CN 215293048U
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Abstract
The utility model relates to the hydraulic field, in particular to a hydraulic valve block for anti-blocking engineering machinery, which comprises a valve block body, an oil inlet pipe, an oil outlet pipe and a cleaning pipe, wherein an oil passage way and a cleaning way are arranged in the valve block, the oil passage way penetrates through the valve block body, the oil passage way comprises an oil inlet way and an oil outlet way, the cleaning way is arranged at the side edge of the valve block and is arranged at the two ends of the oil passage way and communicated with the oil inlet way and the oil outlet way, at least two oil passage ways are arranged, a connecting thread is arranged between the oil inlet pipe and the oil inlet way, when the oil inlet pipe and the oil outlet pipe are blocked, cleaning liquid is introduced into the cleaning liquid through the cleaning pipe to clean the oil inlet pipe and the oil outlet pipe, hydraulic oil is prevented from flowing into the cleaning pipe through a one-way valve, the oil inlet pipe and the oil outlet pipe are connected with the oil inlet way and the oil outlet way through the connecting thread, thereby facilitating the disassembly and replacement of the oil inlet pipe and the oil outlet pipe or the cleaning to prevent the hydraulic valve block from being blocked, the use effect of the hydraulic valve block is improved.
Description
Technical Field
The utility model relates to a hydraulic pressure field specifically is a prevent hydraulic valve piece for engineering machine tool of jam.
Background
The hydraulic oil that flows out from the hydraulic valve piece in the gearbox only has one to the oil circuit of the inside piston of gearbox, and the oil circuit must return the proportional valve behind the piston, and all control oil circuit all must all pass through the oil circuit in the casing in this process, however because burr and iron fillings that remain in the hydraulic valve piece and the casing oil duct course of working can not in time clear up, this leads to the hydraulic valve piece to appear because iron fillings in the oil circuit blocks up hydraulic components such as proportional valve when the operation easily, leads to the unable normal operating of valve piece.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a to prior art not enough, the utility model provides a convenient clearance, long service life's hydraulic valve piece for engineering machine tool that prevents blockking up.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: a hydraulic valve block for anti-blocking engineering machinery comprises a valve block body, an oil inlet pipe, an oil outlet pipe and a cleaning pipe, wherein an oil passage way and a cleaning way are arranged in the valve block body, the oil passage way penetrates through the valve block body and comprises the oil inlet way and the oil outlet way, the cleaning way is positioned on the side edge of the valve block and is communicated with the oil inlet way and the oil outlet way, at least two oil passage ways are arranged, a connecting thread is arranged between the oil inlet pipe and the oil inlet way, a connecting thread is arranged between the oil outlet pipe and the oil outlet way, a connecting thread is arranged between the cleaning pipe and the cleaning way and is communicated with the oil inlet pipe and the oil outlet pipe, a one-way valve is arranged on the cleaning pipe, a proportional valve is arranged between the oil inlet pipe and the oil outlet pipe, a first filter valve is arranged on the oil inlet pipe, and a first magnetic plug is arranged on the first filter valve, the oil outlet pipe is provided with a second filter valve, the second filter valve is provided with a second magnetic plug, and the first filter valve and the second filter valve are both positioned on the outer side of the valve block body.
In order to improve the steadiness and the leakproofness of first filtering valve and second filtering valve installation, the utility model discloses the improvement has, be equipped with the connecting pipe on first filtering valve and the second filtering valve, and with advance oil circuit and go out to be equipped with connecting thread between the oil circuit and be connected, and the junction is equipped with the sealing strip.
In order to improve the steadiness of proportional valve installation, the utility model discloses the improvement has, advance oil pipe and go out to be equipped with the connecting pipe between oil pipe and the proportional valve and be connected, and the junction is equipped with the sealing strip.
In order to improve the result of use of valve piece body, the utility model discloses the improvement has, be equipped with back oil circuit on the valve piece body, back oil circuit and logical oil circuit intercommunication, and be connected with the proportional valve.
For convenient external pipeline of oil return way, the utility model discloses the improvement has, be equipped with second flange on the oil return way, second flange and return are equipped with the connecting pipe between the oil return way and are connected.
In order to improve the connection effect, the utility model discloses the improvement has, be equipped with first connection flange on scavenge pipe, the oil pipe of advancing and the oil pipe.
(III) advantageous effects
Compared with the prior art, the utility model provides a prevent hydraulic valve piece for engineering machine tool of jam possesses following beneficial effect:
the anti-blocking hydraulic valve block for the engineering machinery is characterized in that a first filter valve, a second filter valve, a first magnetic plug and a second magnetic plug are arranged on an oil inlet pipe and an oil outlet pipe to adsorb impurities with magnetic media, so that the contaminated hydraulic oil after passing through a piston is prevented from being used and is prevented from returning to a proportional valve, the contaminated heavy hydraulic oil is guided into an oil return path through the proportional valve to be discharged and is filtered again to obtain clean hydraulic oil and return to the hydraulic valve block, the normal operation of the hydraulic valve block is ensured, the service life of a hydraulic element is prolonged, when the oil inlet pipe and the oil outlet pipe are blocked, cleaning liquid is introduced through a cleaning pipe to clean the oil inlet pipe and the oil outlet pipe, the hydraulic oil is prevented from flowing into the cleaning pipe through a one-way valve, and the oil inlet pipe and the oil outlet pipe are connected with the oil inlet path and the oil outlet path through connecting threads, the oil inlet pipe and the oil outlet pipe are convenient to detach, replace or clean the hydraulic valve block for preventing the hydraulic valve block from being blocked due to overlong time, and the using effect of the hydraulic valve block is improved.
Drawings
FIG. 1 is a schematic sectional view of the present invention;
FIG. 2 is a schematic cross-sectional view of the valve block body according to the present invention;
FIG. 3 is a schematic top view of the valve block body of the present invention;
FIG. 4 is a schematic side view of the valve block body of the present invention;
in the figure: 1. a valve block body; 2. an oil passage is communicated; 3. an oil return path; 4. cleaning the road; 5. an oil inlet pipe; 6. An oil outlet pipe; 7. cleaning the tube; 8. a one-way valve; 9. a first magnetic plug; 10. a first filter valve; 11. A proportional valve; 12. a second magnetic plug; 13. a second filter valve; 14. a connecting pipe; 15. a first connecting flange; 16. a chute; 17. a second connecting flange;
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the anti-clogging hydraulic valve block for engineering machinery of the present invention comprises a valve block body 1, an oil inlet pipe 5, an oil outlet pipe 6, and a cleaning pipe 7, wherein an oil passage 2 and a cleaning passage 4 are provided in the valve block body 1, the oil passage 2 penetrates through the valve block body 1, the oil passage 2 includes an oil inlet passage and an oil outlet passage, the cleaning passage 4 is provided at a side of the valve block and at both ends of the oil passage 2 and is communicated with the oil inlet passage and the oil outlet passage, at least two oil passages 2 are provided, a connecting thread is provided between the oil inlet pipe 5 and the oil inlet passage, a connecting thread is provided between the oil outlet pipe 6 and the oil outlet passage, a connecting thread is provided between the cleaning pipe 7 and the cleaning passage 4 and is communicated with the oil inlet pipe 5 and the oil outlet pipe 6, a check valve 8 is provided on the cleaning pipe 7, the improved oil filter is characterized in that a proportional valve 11 is arranged between the oil inlet pipe 5 and the oil outlet pipe 6, a first filter valve 10 is arranged on the oil inlet pipe 5, a first magnetic plug 9 is arranged on the first filter valve 10, a second filter valve 13 is arranged on the oil outlet pipe 6, a second magnetic plug 12 is arranged on the second filter valve 13, and the first filter valve 10 and the second filter valve 13 are both located on the outer side of the valve block body 1.
When the utility model is used, the first filtering valve 10, the second filtering valve 13, the first magnetic plug 9 and the second magnetic plug 12 are arranged on the oil inlet pipe 5 and the oil outlet pipe 6 to adsorb impurities with magnetic media, so as to prevent the use of polluted hydraulic oil after passing through the piston and prevent the polluted hydraulic oil from returning to the proportional valve 11, the polluted heavier hydraulic oil is led into the oil return path 3 through the proportional valve 11 to be discharged and filtered again, the clean hydraulic oil is obtained and returned to the hydraulic valve block, the normal work of the hydraulic valve block is ensured, the service life of a hydraulic element is prolonged, when the oil inlet pipe 5 and the oil outlet pipe 6 are blocked, the cleaning liquid is accessed through the cleaning pipe 7 in the cleaning path 4 to clean the oil inlet pipe 5 and the oil outlet pipe 6, and the hydraulic oil is prevented from flowing into the cleaning pipe 7 through the one-way valve 8, the oil inlet pipe 5 and the oil outlet pipe 6 are connected with the oil inlet path and the oil outlet path through connecting threads, it prevents that time overlength hydraulic valve piece from taking place to block up to have made things convenient for oil pipe 5 and the 6 dismantlements of oil pipe to change or clear up, has improved the result of use of hydraulic valve piece to through setting up two logical oil circuit 2 and taking place backup oil circuit use when blockking up in first logical oil circuit 2, improve the utility model discloses an effect of use.
In order to improve the steadiness and the leakproofness of first filtering valve 10 and the installation of second filtering valve 13, the utility model discloses the improvement has, be equipped with connecting pipe 14 on first filtering valve 10 and the second filtering valve 13, and go out to be equipped with connecting thread between the oil circuit and be connected, and the junction is equipped with the sealing strip, prevents that first filtering valve 10 and second filtering valve 13 from producing not hard up, takes place to leak.
In order to improve the steadiness of 11 installations of proportional valve, the utility model discloses the improvement has, it is connected to advance oil pipe 5 and go out to be equipped with connecting pipe 14 between oil pipe 6 and the proportional valve 11, and the junction is equipped with the sealing strip.
In order to improve the result of use of valve block body 1, the utility model discloses the improvement has, be equipped with back oil circuit 3 on the valve block body 1, back oil circuit 3 and 2 intercommunications of logical oil circuit, and be connected with proportional valve 11, can retrieve the hydraulic oil that pollutes heavier once more and filter.
For convenient external pipeline of oil return way 3, the utility model discloses the improvement has, be equipped with second flange 17 on the oil return way 3, second flange 17 and oil return way 3 between be equipped with connecting pipe 14 and be connected.
In order to improve the connection effect, the utility model discloses the improvement has, be equipped with first connection flange 15 on scavenge pipe 7, the oil pipe 5 of advancing and go out oil pipe 6, make things convenient for external pipeline to guarantee the leakproofness of connection.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The anti-blocking hydraulic valve block for the engineering machinery is characterized by comprising a valve block body (1), an oil inlet pipe (5), an oil outlet pipe (6) and a cleaning pipe (7), wherein an oil passage way (2) and a cleaning way (4) are arranged in the valve block body (1), the oil passage way (2) penetrates through the valve block body (1), the oil passage way (2) comprises an oil inlet way and an oil outlet way, the cleaning way (4) is positioned on the side edge of the valve block and positioned at the two ends of the oil passage way (2) and communicated with the oil inlet way and the oil outlet way, at least two oil passage ways (2) are arranged, a connecting thread is arranged between the oil inlet pipe (5) and the oil inlet way, a connecting thread is arranged between the oil outlet pipe (6) and the oil outlet way, a connecting thread is arranged between the cleaning pipe (7) and the cleaning way (4) and communicated with the oil inlet pipe (5) and the oil outlet pipe (6), be equipped with check valve (8) on scavenge pipe (7), advance oil pipe (5) and go out and be equipped with proportional valve (11) between oil pipe (6), it is equipped with first filtering valve (10) on advancing oil pipe (5), be equipped with first magnetism end cap (9) on first filtering valve (10), it crosses valve (13) to be equipped with second on oil pipe (6), be equipped with second magnetism end cap (12) on second crosses valve (13), just first filtering valve (10) and second cross valve (13) and all are located the outside of valve block body (1).
2. The hydraulic valve block for the anti-clogging engineering machinery according to claim 1, wherein the first filtering valve (10) and the second filtering valve (13) are provided with connecting pipes (14), the connecting pipes are connected with the oil inlet path and the oil outlet path through connecting threads, and sealing strips are arranged at the connecting positions.
3. The anti-clogging hydraulic valve block for engineering machinery as claimed in claim 1, wherein the oil inlet pipe (5) and the oil outlet pipe (6) are connected with the proportional valve (11) through connecting pipes (14), and sealing strips are arranged at the joints.
4. The anti-clogging hydraulic valve block for the engineering machinery according to claim 1, wherein an oil return path (3) is arranged on the valve block body (1), and the oil return path (3) is communicated with the oil passage (2) and is connected with the proportional valve (11).
5. The anti-clogging hydraulic valve block for the engineering machinery as claimed in claim 4, wherein the oil return path (3) is provided with a second connecting flange (17), and a connecting pipe (14) is arranged between the second connecting flange (17) and the oil return path (3) for connection.
6. The anti-clogging hydraulic valve block for engineering machinery according to claim 1, wherein the cleaning pipe (7), the oil inlet pipe (5) and the oil outlet pipe (6) are provided with first connecting flanges (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120820704.9U CN215293048U (en) | 2021-04-20 | 2021-04-20 | Anti-blocking hydraulic valve block for engineering machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120820704.9U CN215293048U (en) | 2021-04-20 | 2021-04-20 | Anti-blocking hydraulic valve block for engineering machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215293048U true CN215293048U (en) | 2021-12-24 |
Family
ID=79537368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120820704.9U Active CN215293048U (en) | 2021-04-20 | 2021-04-20 | Anti-blocking hydraulic valve block for engineering machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215293048U (en) |
-
2021
- 2021-04-20 CN CN202120820704.9U patent/CN215293048U/en active Active
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