CN210290309U - Valve for increasing oil path of hydraulic distribution valve of excavator - Google Patents
Valve for increasing oil path of hydraulic distribution valve of excavator Download PDFInfo
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- CN210290309U CN210290309U CN201920927909.XU CN201920927909U CN210290309U CN 210290309 U CN210290309 U CN 210290309U CN 201920927909 U CN201920927909 U CN 201920927909U CN 210290309 U CN210290309 U CN 210290309U
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Abstract
The utility model relates to a valve for increasing excavator hydraulic pressure distribution valve oil circuit, including valve body and valve rod, the valve body side is equipped with the through-hole that runs through the valve body left and right sides, the valve rod is inserted in the through-hole, the both ends of valve rod joint respectively has left spring holder and right spring holder, left spring holder side is equipped with left spring, right spring holder side is equipped with right spring, the both sides fixedly connected with left valve gap and right valve gap of valve body; the upper end of the valve body is provided with a first transition oil port and a second transition oil port, the lower end of the valve body is provided with a first return oil port and a second return oil port, and the side surface of the valve body is provided with a first oil adding port and a second oil adding port; the middle part of the valve rod is sequentially provided with a second left groove, a left cutting block, a first left groove, a middle cutting block, a first right groove, a right cutting block and a second right groove. The valve for increasing the oil passages of the hydraulic distribution valve is simple and compact in structure, the oil passages of the hydraulic distribution valve can be effectively increased, the working efficiency is improved, and the operation cost is reduced.
Description
Technical Field
The utility model relates to a valve for increasing excavator hydraulic pressure distributing valve oil circuit belongs to hydraulic pressure valve technical field.
Background
Common excavator structures include: the device comprises a power device, a working device, a slewing mechanism, a control mechanism, a transmission mechanism, a walking mechanism, auxiliary facilities and the like. The transmission mechanism transmits the power of the engine to the hydraulic distribution valve through the hydraulic pump, and the hydraulic distribution valve distributes oil paths to the hydraulic motor, the hydraulic cylinder and other executing elements to push the working device to act, so that various operations are completed.
At present, the quantity of oil passages of a distribution valve of an excavator is limited, the distribution valve is basically provided with 10 groups of oil passages, and spare oil passages are not provided at most, but the existing excavator has various installation accessories and also needs multiple groups of oil passages, and the existing spare oil passages can not meet the requirements. Therefore, the valve for increasing the oil path of the hydraulic distribution valve of the excavator has important value for the excavator.
SUMMERY OF THE UTILITY MODEL
The utility model discloses not enough to prior art exists, provide a valve for increasing excavator hydraulic pressure distribution valve oil circuit, simple structure is compact, can effectively increase the oil circuit of hydraulic pressure distribution valve, improves work efficiency, reduces the running cost, and the excavator that especially adapted contains various accessories uses.
The utility model provides an above-mentioned technical problem's technical scheme as follows: a valve for increasing the oil circuit of a hydraulic distribution valve of an excavator comprises a valve body and a valve rod, wherein a through hole penetrating through the left side and the right side of the valve body is formed in the side face of the valve body, the valve rod is inserted into the through hole, a left spring seat and a right spring seat are clamped at the two ends of the valve rod respectively, a left spring is arranged on the side face of the left spring seat, a right spring is arranged on the side face of the right spring seat, a left valve cover and a right valve cover are fixedly connected to the two sides of the valve body, the inside of the left valve cover is in contact with the left spring;
the upper end of the valve body is provided with a first transition oil port and a second transition oil port, the lower end of the valve body is provided with a first return oil port and a second return oil port, and the side surface of the valve body is provided with a first oil adding port and a second oil adding port; an oil inlet cavity, an oil return cavity, a first outlet cavity, a first return cavity, a second outlet cavity and a second return cavity are formed in the valve body; the oil inlet cavity is communicated with the first transition oil port, the oil return cavity is communicated with the second transition oil port, the first outlet cavity is communicated with the first return oil port, the first return cavity is communicated with the second return oil port, the second outlet cavity is communicated with the first oil port, and the second return cavity is communicated with the second oil port; the middle part of the valve rod is sequentially provided with a second left groove, a left cutting block, a first left groove, a middle cutting block, a first right groove, a right cutting block and a second right groove. Whether the valve rod moves or not is judged, the second left groove, the left cutting block, the first left groove, the middle cutting block, the first right groove, the right cutting block and the second right groove can also move in the inner position of the valve body, so that the first oil port and the second oil port are increased in a controlled mode, or the first oil port and the second oil port are connected in a controlled mode, the valve is connected to the hydraulic distribution valve, the oil path of the hydraulic distribution valve can be effectively increased, the use is more convenient, and the working efficiency can be effectively improved.
On the basis of the technical scheme, the utility model discloses can also do as follows the improvement:
furthermore, when the valve rod is positioned in the middle of the valve body, the left block blocks a passage between the oil inlet cavity and the second outlet cavity, and the oil inlet cavity is communicated with the first outlet cavity; the right block blocks a passage between the oil return cavity and the second return cavity, and the oil return cavity is communicated with the first return cavity. And the working oil enters the oil inlet cavity from the first transition oil port and then enters the first outlet cavity and flows out from the first return oil port, so that the first return oil port and the second return oil port enter a hydraulic working state.
Furthermore, when the valve rod is compressed rightwards, the left block blocks a passage between the oil inlet cavity and the first outlet cavity, and the oil inlet cavity is communicated with the second outlet cavity; the right cutting block blocks a passage between the oil return cavity and the first return cavity, and the oil return cavity is communicated with the second return cavity; when the valve rod is compressed leftwards, the middle intercepting block blocks a passage between the oil inlet cavity and the first outlet cavity, the oil inlet cavity is communicated with the second outlet cavity, the right end of the valve rod blocks a passage between the oil return cavity and the first return cavity, and the oil return cavity is communicated with the second return cavity. Whether the valve rod moves or not is used for controlling the first return oil port and the second return oil port to work or the first return oil port and the second return oil port to work, which is equivalent to the increase of an oil circuit of the hydraulic distribution valve, so that the use is more convenient, and the working efficiency can be effectively improved.
Further, the lower end of the valve body is fixedly connected with a left electromagnetic valve and a right electromagnetic valve, a left control oil inlet and a left control oil outlet are formed in the side face of the left electromagnetic valve, and a right control oil inlet and a right control oil outlet are formed in the side face of the right electromagnetic valve. Control oil enters from a left control oil inlet, a left control oil outlet is connected with a left valve cover through a pipeline, if a left electromagnetic valve is opened, the control oil flows out from the left control oil outlet and enters into the left valve cover, so that the control oil pushes a valve rod to move rightwards, if the left electromagnetic valve is in a closed state, the control oil cannot enter into the left valve cover, and the valve rod cannot move rightwards; similarly, if control oil enters from the right control oil inlet, the right control oil inlet is connected with the right valve cover through a pipeline, if the right electromagnetic valve is opened, the control oil flows out from the right control oil outlet and enters the right valve cover, so that the control oil pushes the valve rod to move leftwards, and if the right electromagnetic valve is in a closed state, the control oil cannot enter the right valve cover and the valve rod cannot move leftwards. Therefore, the left electromagnetic valve and the right electromagnetic valve can be arranged to play a role of safety protection, and control oil is prevented from directly entering the left valve cover and the right valve cover to cause wrong oil circuit switching operation.
Furthermore, the oil inlet cavity is communicated with the first transition oil port through a chute, the oil return cavity is communicated with the second transition oil port through a chute, the first transition oil port at the upper end of the valve body corresponds to the first return oil port at the lower end of the valve body in position, and the second transition oil port at the upper end of the valve body corresponds to the second return oil port at the lower end of the valve body in position. When the valve is fixed on the hydraulic distribution valve, the oil path outlet and the return port of the hydraulic distribution valve respectively correspond to the first transition oil port and the second transition oil port, and the positions of the first return oil port and the second return oil port respectively correspond to the first transition oil port and the second transition oil port, so that the position of an original vehicle oil pipe does not need to be adjusted, the corresponding oil pipe is directly connected with the first return oil port and the second return oil port, and the use is more convenient.
Furthermore, a plurality of screw holes penetrating through the upper part and the lower part of the valve body are formed in the upper end of the valve body, the upper ends of part of the screw holes are positioned around the first transition oil port, and the lower ends of the screw holes are positioned around the first return oil port; and part of the upper ends of the screw holes are positioned around the second transition oil port, and the lower ends of the screw holes are positioned around the second return oil port. The screw holes are arranged to facilitate the fixation of the valve on the hydraulic distribution valve, and the positions of the screw holes correspond to the positions of the screw holes on the hydraulic distribution valve.
Furthermore, the valve body front side is equipped with a plurality of screw holes, and part the screw hole is located increase the hydraulic fluid port one around, part the screw hole is located increase hydraulic fluid port two around. The screw holes of the first oil port and the second oil port are used for fixing the pipeline of the accessory, so that the use is more convenient.
Furthermore, a plurality of oil passing cavities are formed in the valve body. The oil passing cavity can increase the oil passing amount, so that the requirement on the flow of the working oil during working can be met more easily.
Further, the valve body is fixedly connected with the left valve cover through a bolt, and the valve body is fixedly connected with the right valve cover through a bolt. Through the bolt fastening, convenient to detach, maintenance more, it is more convenient to use.
Furthermore, an avoiding groove is formed in the upper end of the valve body. When the valve body is connected with the hydraulic distributor for use, the side face of the conventional hydraulic distributor is provided with the plug, the plug can be arranged in the avoiding groove by avoiding the arrangement of the groove, and the influence on the connection of the valve body and the hydraulic distributor due to the plug on the hydraulic distributor is avoided.
The utility model has the advantages that:
(1) an oil inlet cavity, an oil return cavity, a first outlet cavity, a first return cavity, a second outlet cavity and a second return cavity are formed in the valve body; the middle part of the valve rod is sequentially provided with a second left groove, a left cutting block, a first left groove, a middle cutting block, a first right groove, a right cutting block and a second right groove. Through the left-right compression movement of the valve rod, the second left groove, the left cutting block, the first left groove, the middle cutting block, the first right groove, the right cutting block and the second right groove can also move in the inner position of the valve body, so that the work of a first oil return port and a second oil return port is controlled, or the work of the first oil return port and the second oil return port is increased, the valve is connected to a hydraulic distribution valve, a multi-path hydraulic distribution valve oil path can be increased, the use is more convenient, and the working efficiency can be effectively improved;
(2) the valve for increasing the oil path of the hydraulic distribution valve is provided with the left electromagnetic valve and the right electromagnetic valve, the left electromagnetic valve and the right electromagnetic valve can play a role in safety protection, control oil is prevented from directly entering the left valve cover and the right valve cover due to misoperation, and the valve is controlled by adopting an electromagnetic principle and is safer to use;
(3) the valve for increasing the oil path of the hydraulic distribution valve is simple and compact in structure and long in service life, can effectively increase the oil path of the hydraulic distribution valve, improves the working efficiency, reduces the operation cost, and is very suitable for the excavator with various accessories.
Drawings
FIG. 1 is a schematic perspective view of a valve for increasing oil passage of a hydraulic distribution valve of an excavator according to an embodiment;
FIG. 2 is a schematic diagram of an exploded structure of a valve for increasing oil passages of a hydraulic distribution valve of an excavator in the embodiment;
FIG. 3 is a front view of a valve for increasing oil passage of a hydraulic distribution valve of an excavator in an embodiment;
FIG. 4 is a rear view of a valve for increasing oil passage of a hydraulic distribution valve of an excavator in an embodiment;
FIG. 5 is a bottom view of a valve for increasing oil passage of a hydraulic distribution valve of an excavator according to an embodiment;
FIG. 6 is a top view of a valve for increasing oil passage of an excavator hydraulic distribution valve in an embodiment;
FIG. 7 is a cross-sectional view A-A of FIG. 6 when the valve stem is not moving;
FIG. 8 is a schematic view of the internal structure of a valve for increasing the oil passage of the excavator hydraulic distribution valve when the valve stem is not moved;
FIG. 9 is a cross-sectional view A-A of FIG. 6 as the valve stem moves to the right;
FIG. 10 is a schematic view showing the internal structure of a valve for increasing the oil passage of a hydraulic distribution valve of an excavator when a valve stem moves rightward;
FIG. 11 is a cross-sectional view A-A of FIG. 6 when the valve stem is moved to the left;
FIG. 12 is a schematic view showing the internal structure of a valve for increasing the oil passage of a hydraulic distribution valve of an excavator when a valve stem is moved leftward;
FIG. 13 is a schematic diagram of the structure of the valve for increasing the oil passage of the hydraulic distribution valve used in the hydraulic distributor of the excavator in the embodiment;
FIG. 14 is a schematic diagram of the operation of the valve for increasing the oil passage of the hydraulic distribution valve in the embodiment;
in the figure, 1, a valve body, 2, 3, 4, 5, 6, right spring, 7, right valve cover, 8, right valve cover, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, second left groove, 22, 23, first left groove, 24, middle block, 25, first right groove, 26 right block, 27, second right groove, 28, 29, right solenoid valve, 30, 31, 32, 33, right control oil inlet, 34, 35, screw hole, 36, 37, oil cavity, 37, a excavator hydraulic distribution valve, b, c, electromagnetic switch, d hydraulic distribution valve oil path, e hydraulic accessory.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
As shown in the figure, the valve for increasing the oil path of the hydraulic distribution valve of the excavator comprises a valve body 1 and a valve rod 2, wherein a through hole penetrating through the left side and the right side of the valve body 1 is formed in the side surface of the valve body 1, the valve rod 2 is inserted into the through hole, a left spring seat 3 and a right spring seat 4 are respectively clamped at two ends of the valve rod 2, a left spring 5 is arranged on the side surface of the left spring seat 3, a right spring 6 is arranged on the side surface of the right spring seat 4, a left valve cover 7 and a right valve cover 8 are fixedly connected to two sides of the valve body 1, the inside of the left valve cover 7 is in contact with the left spring 5, and;
the upper end of the valve body 1 is provided with a first transition oil port 9 and a second transition oil port 10, the lower end of the valve body 1 is provided with a first return oil port 11 and a second return oil port 12, and the side surface of the valve body 1 is provided with a first increase oil port 13 and a second increase oil port 14; an oil inlet cavity 15, an oil return cavity 16, a first outlet cavity 17, a first return cavity 18, a second outlet cavity 19 and a second return cavity 20 are arranged inside the valve body 1; the oil inlet cavity 15 is communicated with the first transition oil port 9, the oil return cavity 16 is communicated with the second transition oil port 10, the first outlet cavity 17 is communicated with the first return oil port 11, the first return cavity 18 is communicated with the second return oil port 12, the second outlet cavity 19 is communicated with the first oil port 13, and the second return cavity 20 is communicated with the second oil port 14; the middle part of the valve rod 2 is sequentially provided with a second left groove 21, a left block 22, a first left groove 23, a middle block 24, a first right groove 25, a right block 26 and a second right groove 27.
When the valve rod 2 is positioned in the middle of the valve body 1, the left block 22 blocks a passage between the oil inlet cavity 15 and the second outlet cavity 19, and the oil inlet cavity 15 is communicated with the first outlet cavity 17; the right block 26 blocks a passage between the oil return cavity 16 and the second return cavity 20, and the oil return cavity 16 is communicated with the first return cavity 18. The working oil enters the oil inlet cavity 15 from the first transition oil port 9 and then enters the first outlet cavity 17 and flows out from the first return oil port 11, so that the first return oil port 11 and the second return oil port 12 enter a hydraulic working state, as shown in fig. 7 and 8.
When the valve rod 2 is compressed rightwards, the left block 22 blocks a passage between the oil inlet cavity 15 and the first outlet cavity 17, and the oil inlet cavity 15 is communicated with the second outlet cavity 19; the right block 26 blocks a passage between the oil return cavity 16 and the first return cavity 18, and the oil return cavity 16 is communicated with the second return cavity 20. The working oil enters the oil inlet chamber 15 from the first transition oil port 9 and then enters the second outlet chamber 19 and flows out from the first additional oil port 13, so that the first additional oil port 13 enters a hydraulic working state, as shown in fig. 9 and 10.
When the valve rod 2 is compressed leftward, the middle block 24 blocks a passage between the oil inlet cavity 15 and the first outlet cavity 17, the oil inlet cavity 15 is communicated with the second outlet cavity 19, the right end of the valve rod 2 blocks a passage between the oil return cavity 16 and the first return cavity 18, and the oil return cavity 16 is communicated with the second return cavity 20, as shown in fig. 11 and 12.
The lower end of the valve body 1 is fixedly connected with a left electromagnetic valve 28 and a right electromagnetic valve 29, the side surface of the left electromagnetic valve 28 is provided with a left control oil inlet 30 and a left control oil outlet 31, and the side surface of the right electromagnetic valve 29 is provided with a right control oil inlet 32 and a right control oil outlet 33. The oil inlet cavity 15 is communicated with the first transition oil port 9 through a chute 34, the oil return cavity 16 is communicated with the second transition oil port 10 through a chute 34, the first transition oil port 9 at the upper end of the valve body 1 corresponds to the first return oil port 11 at the lower end of the valve body 1, and the second transition oil port 10 at the upper end of the valve body 1 corresponds to the second return oil port 12 at the lower end of the valve body 1. The upper end of the valve body 1 is provided with a plurality of screw holes 35 penetrating through the upper part and the lower part of the valve body 1, the upper ends of part of the screw holes 35 are positioned around the first transition oil port 9, and the lower ends of the screw holes 35 are positioned around the first return oil port 11; and part of the upper ends of the screw holes 35 are positioned around the second transition oil port 10, and the lower ends of the screw holes 35 are positioned around the second return oil port 12. The front side of the valve body 1 is provided with a plurality of screw holes 35, part of the screw holes 35 are located around the first oil ports 13, and part of the screw holes 35 are located around the second oil ports 14. A plurality of oil passing cavities 36 are arranged inside the valve body 1. The valve body 1 is fixedly connected with the left valve cover 7 through a bolt, and the valve body 1 is fixedly connected with the right valve cover 8 through a bolt. An avoiding groove 37 is arranged at the upper end of the valve body 1. When the valve for increasing the oil passage of the excavator hydraulic distribution valve is used on the excavator hydraulic distribution valve a, as shown in fig. 13.
The working principle diagram of the valve b for increasing the oil path of the hydraulic distribution valve of the excavator is shown in fig. 14, the valve b for increasing the oil path of the hydraulic distribution valve of the excavator is connected to the hydraulic distribution valve, multiple paths of oil paths of the hydraulic distribution valve can be increased, the use is more convenient, and the working efficiency can be effectively improved.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-described embodiments, which represent only a few embodiments of the invention, are described in greater detail and with greater particularity,
but should not be construed as limiting the scope of the utility model. It should be noted that, for those skilled in the art, variations and modifications can be made without departing from the spirit of the present invention,
these all belong to the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. The valve for increasing the oil circuit of the hydraulic distribution valve of the excavator is characterized by comprising a valve body (1) and a valve rod (2), wherein a through hole penetrating through the left side and the right side of the valve body (1) is formed in the side face of the valve body (1), the valve rod (2) is inserted into the through hole, a left spring seat (3) and a right spring seat (4) are respectively clamped at two ends of the valve rod (2), a left spring (5) is arranged on the side face of the left spring seat (3), a right spring (6) is arranged on the side face of the right spring seat (4), a left valve cover (7) and a right valve cover (8) are fixedly connected to two sides of the valve body (1), the inside of the left valve cover (7) is in contact with the left spring (5), and the inside of the right valve cover (8) is;
the upper end of the valve body (1) is provided with a first transition oil port (9) and a second transition oil port (10), the lower end of the valve body (1) is provided with a first return oil port (11) and a second return oil port (12), and the side surface of the valve body (1) is provided with a first increase oil port (13) and a second increase oil port (14); an oil inlet cavity (15), an oil return cavity (16), a first outlet cavity (17), a first return cavity (18), a second outlet cavity (19) and a second return cavity (20) are arranged in the valve body (1); the oil inlet cavity (15) is communicated with the first transition oil port (9), the oil return cavity (16) is communicated with the second transition oil port (10), the first outlet cavity (17) is communicated with the first return oil port (11), the first return cavity (18) is communicated with the second return oil port (12), the second outlet cavity (19) is communicated with the first oil port increasing (13), and the second return cavity (20) is communicated with the second oil port increasing (14); the middle of the valve rod (2) is sequentially provided with a second left groove (21), a left cutting block (22), a first left groove (23), a middle cutting block (24), a first right groove (25), a right cutting block (26) and a second right groove (27).
2. The valve for increasing the oil circuit of the hydraulic distribution valve of the excavator is characterized in that when the valve rod (2) is positioned in the middle of the valve body (1), the left-cut block (22) blocks a passage between the oil inlet cavity (15) and the second outlet cavity (19), the oil inlet cavity (15) is communicated with the first outlet cavity (17), and a first transition oil port (9) and a first return oil port (11) are communicated; the right block (26) blocks a passage between the oil return cavity (16) and the second return cavity (20), the oil return cavity (16) is communicated with the first return cavity (18), and a second transition oil port (10) is communicated with a second return oil port (12).
3. The valve for increasing the oil circuit of the hydraulic distribution valve of the excavator according to claim 1, wherein when the valve rod (2) is compressed rightward, the left block (22) blocks a passage between the oil inlet cavity (15) and the first outlet cavity (17), the oil inlet cavity (15) is communicated with the second outlet cavity (19), the right block (26) blocks a passage between the oil return cavity (16) and the first return cavity (18), the oil return cavity (16) is communicated with the second return cavity (20), and a transition oil port I (9) is communicated with an oil increasing port I (13), and a transition oil port II (10) is communicated with an oil increasing port II (14);
when the valve rod (2) is compressed leftwards, the middle intercepting block (24) blocks a passage between the oil inlet cavity (15) and the first outlet cavity (17), the oil inlet cavity (15) is communicated with the second outlet cavity (19), the right end of the valve rod (2) blocks a passage between the oil return cavity (16) and the first return cavity (18), the oil return cavity (16) is communicated with the second return cavity (20), a transition oil port I (9) is communicated with an oil increasing port I (13), and a transition oil port II (10) is communicated with an oil increasing port II (14).
4. The valve for increasing the oil circuit of the hydraulic distribution valve of the excavator according to claim 1, wherein a left electromagnetic valve (28) and a right electromagnetic valve (29) are fixedly connected to the lower end of the valve body (1), a left control oil inlet (30) and a left control oil outlet (31) are arranged on the side surface of the left electromagnetic valve (28), and a right control oil inlet (32) and a right control oil outlet (33) are arranged on the side surface of the right electromagnetic valve (29).
5. The valve for increasing the oil circuit of the hydraulic distribution valve of the excavator according to claim 1, wherein the oil inlet chamber (15) is communicated with the first transition oil port (9) through a chute (34), the oil return chamber (16) is communicated with the second transition oil port (10) through a chute (34), the first transition oil port (9) at the upper end of the valve body (1) corresponds to the first return oil port (11) at the lower end of the valve body (1), and the second transition oil port (10) at the upper end of the valve body (1) corresponds to the second return oil port (12) at the lower end of the valve body (1).
6. The valve for increasing the oil path of the hydraulic distribution valve of the excavator as claimed in claim 5, wherein the upper end of the valve body (1) is provided with a plurality of screw holes (35) penetrating through the upper part and the lower part of the valve body (1), the upper ends of part of the screw holes (35) are positioned around the first transition oil port (9), and the lower ends of the screw holes (35) are positioned around the first tieback oil port (11); and part of the upper end of the screw hole (35) is positioned around the second transition oil port (10), and the lower end of the screw hole (35) is positioned around the second return oil port (12).
7. The valve for increasing the oil path of the hydraulic distribution valve of the excavator according to claim 1, wherein a plurality of screw holes (35) are formed in the front side of the valve body (1), part of the screw holes (35) are located around the first oil port increasing part (13), and part of the screw holes (35) are located around the second oil port increasing part (14).
8. A valve for increasing the oil circuit of a hydraulic distribution valve of an excavator according to claim 1, characterized in that a plurality of oil passing cavities (36) are arranged inside the valve body (1).
9. The valve for increasing the oil circuit of the hydraulic distribution valve of the excavator according to claim 1, wherein the valve body (1) is fixedly connected with the left valve cover (7) through a bolt, and the valve body (1) is fixedly connected with the right valve cover (8) through a bolt.
10. A valve for increasing the oil passage of a hydraulic distribution valve of an excavator according to claim 1, wherein the valve body (1) is provided at an upper end thereof with an avoiding groove (37).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920927909.XU CN210290309U (en) | 2019-06-19 | 2019-06-19 | Valve for increasing oil path of hydraulic distribution valve of excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920927909.XU CN210290309U (en) | 2019-06-19 | 2019-06-19 | Valve for increasing oil path of hydraulic distribution valve of excavator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210290309U true CN210290309U (en) | 2020-04-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920927909.XU Active CN210290309U (en) | 2019-06-19 | 2019-06-19 | Valve for increasing oil path of hydraulic distribution valve of excavator |
Country Status (1)
| Country | Link |
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| CN (1) | CN210290309U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110206774A (en) * | 2019-06-19 | 2019-09-06 | 烟台华特液压机械有限公司 | It is a kind of for increasing the valve of excavator hydraulic distributing valve oil circuit |
-
2019
- 2019-06-19 CN CN201920927909.XU patent/CN210290309U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110206774A (en) * | 2019-06-19 | 2019-09-06 | 烟台华特液压机械有限公司 | It is a kind of for increasing the valve of excavator hydraulic distributing valve oil circuit |
| CN110206774B (en) * | 2019-06-19 | 2024-02-23 | 烟台华特液压机械有限公司 | Valve for increasing oil way of hydraulic distribution valve of excavator |
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