CN206386322U - A kind of fuel pump outlet variable control valve block - Google Patents
A kind of fuel pump outlet variable control valve block Download PDFInfo
- Publication number
- CN206386322U CN206386322U CN201621202703.3U CN201621202703U CN206386322U CN 206386322 U CN206386322 U CN 206386322U CN 201621202703 U CN201621202703 U CN 201621202703U CN 206386322 U CN206386322 U CN 206386322U
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- China
- Prior art keywords
- control valve
- oil
- oil return
- valve block
- return opening
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Abstract
The utility model discloses a kind of fuel pump outlet variable control valve block, wherein control valve block includes:Main oil inlet is connected with working connection;Flow control valve is installed, the first of flow control valve is connected with working connection in flow control valve mounting hole, second mouthful with unload oil communication, the 3rd mouthful connects with working oil path;Unloading port is with unloading oil communication;Work oil inlet connects with the motor oil inlet of hydraulic motor, and work oil inlet is connected with working oil path;One check valve is installed, one end of check valve is connected with working oil path, and the other end of check valve is connected with oil return line in check valve mounting hole;Some oil return openings are connected with oil return line.The utility model controls flow to enter motor from flow speed control valve priority port by threeway flow speed control valve; excess traffic flows out from another mouthful; by check valve motor after system fuel cut-off can be enabled to be provided from body because of the rotation of inertia from oil return opening oil suction, so as to reach protection motor effect.
Description
Technical field
The utility model is related to the technical field of hydraulic valve, more particularly to a kind of fuel pump outlet variable control valve block.
Background technology
Hydraulic valve is a kind of Automation Elements operated with pressure oil, and it is controlled by distributing valve pressure oil, generally with electricity
Magnetic distributing valve is applied in combination, available for far distance controlled power station oil, the break-make of gas and water pipe-line system.Pass through the nothing of hydraulic valve
Pipe is integrated can to accomplish several valve group centralized arrangements, make several hydraulic valves while being integrated in valve block, reduce pipeline arrangement
Volume, reduces the possibility of pipeline leakage.Hydraulic motor is a kind of executive component of hydraulic system, the liquid that it provides hydraulic pump
Body pressure energy is the mechanical energy of its output shaft.Coordinated by integrated valve group and hydraulic motor, the pipeline of motor can be simplified
Arrangement.
Utility model content
The problem of for above-mentioned generation, the purpose of this utility model is to provide a kind of fuel pump outlet variable control valve block.
To achieve these goals, the technical scheme that the utility model is taken is:
A kind of fuel pump outlet variable control valve block, including control valve block, hydraulic motor, wherein, the control valve block includes:
Main oil inlet, the main oil inlet is connected with working connection;Installed in flow control valve mounting hole, the flow control valve mounting hole
There is flow control valve, the first of the flow control valve is connected with the working connection, second mouthful of the flow control valve
With unloading oil communication, the 3rd mouthful of the flow control valve is connected with working oil path;Unloading port, the unloading port and the emptying
Road is connected;Work oil inlet, and the work oil inlet connects with the motor oil inlet of the hydraulic motor, the work oil inlet
Connected with the working oil path;A check valve is installed in check valve mounting hole, the check valve mounting hole, the check valve
One end is connected with the working oil path, and the other end of the check valve is connected with oil return line;First oil return opening, first oil return
Mouth is connected with the oil return line, and the oil return line unloads oil communication with described;Second oil return opening, second oil return opening with it is described
Oil return line is connected, and the motor oil-out of the hydraulic motor connects with second oil return opening;3rd oil return opening, described 3rd time
The direction of hydraulic fluid port is vertical with the direction of first oil return opening, and the 3rd oil return opening is connected with the oil return line.
Above-mentioned fuel pump outlet variable control valve block, wherein, the direction of the check valve is the oil return line to the work
Make oil circuit.
Above-mentioned fuel pump outlet variable control valve block, wherein, in addition to:First technique mouthful, first technique mouthful and the
One process pipeline is connected, and the flow control valve is connected by one section of first process pipeline with the working oil path;The
Two techniques mouthful, second technique mouthful is connected with the second process pipeline, and the 3rd oil return opening passes through second process pipeline
One section connected with the oil return line;3rd technique mouthful, the 3rd technique mouthful is connected with the 3rd process pipeline, the check valve
One end connected by one section of the 3rd process pipeline with the working oil path;4th technique mouthful, the 4th technique mouthful
Connected with the 4th process pipeline, the oil return line unloads oil communication by one section of the 4th process pipeline with described.
Above-mentioned fuel pump outlet variable control valve block, wherein, first oil return opening, the second oil return opening and the 3rd oil return opening
Connect with oil return box.
Above-mentioned fuel pump outlet variable control valve block, wherein, the first technique mouth, the unloading port, the main oil-feed
Mouth and first oil return opening are arranged on the bottom surface of the integrated valve group.
Above-mentioned fuel pump outlet variable control valve block, wherein, second oil return opening, the 3rd oil return opening are arranged on institute
State the back side of integrated valve group.
Above-mentioned fuel pump outlet variable control valve block, wherein, the work oil inlet and the 3rd technique mouthful are arranged on
The front of the integrated valve group.
Above-mentioned fuel pump outlet variable control valve block, wherein, the check valve mounting hole and the 4th technique mouthful are set
In the one side of the integrated valve group.
Above-mentioned fuel pump outlet variable control valve block, wherein, the flow control valve mounting hole and second technique mouthful
It is arranged on another side of the integrated valve group relative to the check valve mounting hole.
The utility model is as a result of above-mentioned technology, and the good effect for being allowed to have compared with prior art is:
(1) fluid of the present utility model enters threeway flow speed control valve and controls flow preferential from flow speed control valve by threeway flow speed control valve
Mouth enters motor, and excess traffic flows out from another mouthful.
(2) it is of the present utility model by check valve motor after system fuel cut-off to be enabled to be supplied from oil return opening oil suction
Itself is because of the rotation of inertia, so as to reach protection motor effect.
Brief description of the drawings
Fig. 1 is the schematic diagram of fuel pump outlet variable control valve block of the present utility model.
Fig. 2 is the shaft side figure of fuel pump outlet variable control valve block of the present utility model.
Fig. 3 is the shaft side figure of fuel pump outlet variable control valve block of the present utility model.
Fig. 4 is the perspective view of fuel pump outlet variable control valve block of the present utility model.
In accompanying drawing:1st, control valve block;11st, main oil inlet;12nd, flow control valve mounting hole;13rd, unloading port;14 work into
Hydraulic fluid port;15 check valve mounting holes;16th, the first oil return opening;17th, the second oil return opening;18th, the 3rd oil return opening;111st, the first technique mouthful;
112nd, the second technique mouthful;113rd, the 3rd technique mouthful;114th, the 4th technique mouthful;2nd, hydraulic motor;31st, working connection;32nd, oil circuit is unloaded;
33rd, working oil path;34th, oil return line;311st, the first process pipeline;312nd, the second process pipeline;313rd, the 3rd process pipeline;314、
4th process pipeline;4th, flow control valve;5th, check valve;6th, oil return box.
Embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings, but not as of the present utility model
Limit.
Fig. 1 is the schematic diagram of fuel pump outlet variable control valve block of the present utility model, wherein, peripheral dotted portion is overall
It is shown in Figure 1 for control valve block 1, a kind of fuel pump outlet variable control valve block of preferred embodiment is shown, is included:
Control valve block 1 and hydraulic motor 2.
In addition, as in preferred embodiment, Fig. 4 is the perspective of fuel pump outlet variable control valve block of the present utility model
Figure, shows control valve fast 1, refers to shown in Fig. 1, Fig. 4, control valve block 1 includes:Main oil inlet 11 and flow control valve are installed
Hole 12, main oil inlet 11 is connected with working connection 31, and flow control valve 4, flow control are provided with flow control valve mounting hole 12
The first of valve 4 is connected with working connection 31, and second mouthful of flow control valve 4 is connected with unloading oil circuit 32, and the 3rd of flow control valve 4 the
Mouth is connected with working oil path 33.
In addition, as in preferred embodiment, referring to shown in Fig. 1, Fig. 4, control valve block 1 includes:Unloading port 13, work
Oil inlet 14 and check valve mounting hole 15, unloading port 13 connect with unloading oil circuit 32, the motor of work oil inlet 14 and hydraulic motor 2
Oil inlet 21 connects, and work oil inlet 14 is connected with working oil path 33, check valve 5 is provided with check valve mounting hole 15, unidirectionally
One end of valve 5 is connected with working oil path 33, and the other end of check valve 5 is connected with oil return line 34.
Further, as in preferred embodiment, continuing with shown in Figure 4, control valve block 1 includes:First oil return opening 16,
Second oil return opening 17 and the 3rd oil return opening 18, the first oil return opening 16 are connected with oil return line 34, and oil return line 34 is connected with unloading oil circuit 32,
Second oil return opening 17 is connected with oil return line 34, and the motor oil-out 22 of hydraulic motor 2 connects with the second oil return opening 17, the 3rd oil return
The direction of mouth 18 is vertical with the direction of the first oil return opening 16, and the 3rd oil return opening 18 is connected with oil return line 34.
Further, as in preferred embodiment, the direction of check valve 5 is oil return line 34 to working oil path 33.
In addition, as in preferred embodiment, continuing with shown in Figure 4, control valve block 1 also includes:First technique mouthful
111st, the second technique mouthful 112, the first technique mouthful 111 is connected with the first process pipeline 311, and flow control valve passes through the first process duct
One section of road 311 is connected with working oil path 33, and the second technique mouthful 112 is connected with the second process pipeline 312, and the 3rd oil return opening 18 leads to
Cross the second process pipeline 312 one section is connected with oil return line 34.
In addition, as in preferred embodiment, continuing with shown in Figure 4, control valve block 1 also includes:3rd technique mouthful
113 and the 4th technique mouthfuls 114, the 3rd technique mouthful 113 is connected with the 3rd process pipeline 313, and one end of check valve 5 passes through the 3rd work
One section of skill pipeline 313 is connected with working oil path 33, and the 4th technique mouthful 114 is connected with the 4th process pipeline 314, and oil return line 34 leads to
Cross the 4th process pipeline 114 one section is connected with unloading oil circuit 32.First technique mouthful the 111, second technique mouthful the 112, the 3rd technique mouthful
113 and the 4th technique mouthfuls 114, it is the duct unavoidably produced in the integrated production technology of valve group 1, hydraulic flow is in working condition
In without the first technique mouthful the 111, second technique mouthful the 112, the 3rd technique mouthful 113 and the 4th technique mouthful 114.
Further, as in preferred embodiment, the first oil return opening 16, the second oil return opening 17 and the 3rd oil return opening 18 are with returning
Fuel tank 6 connects.
The foregoing is only the utility model preferred embodiment, not thereby limit embodiment of the present utility model and
Protection domain.
The utility model also has on the basis of the above is implemented as follows mode:
In further embodiment of the present utility model, continuing with shown in Figure 1, hydraulic motor 2 is dashed forward in high-speed rotation
When so shutting down, hydraulic motor 2 keeps underdrive to stop afterwards for a period of time using inertia from the oil suction of oil return line 34, the flow of oil suction
Working oil path 33 is entered by check valve 5 from oil return line 34 and then motor oil inlet 21 is reached, a kind of interior circulation buffering is formed and protects
Oil circuit is protected, hydraulic motor 2 is slowly stopped in the case of no fuel feeding, plays a part of protecting hydraulic motor 2.
In further embodiment of the present utility model, continuing with referring to shown in Fig. 1, Fig. 4, hydraulic flow passes through flow control
The first of valve 4 enters, and flow is controlled by flow control valve 4, pass through flow control valve 4 the 3rd mouthful of the flow after control
Into hydraulic motor 2, excess traffic unloads oil circuit 32 by second mouthful of entrance of flow control valve 4, enters back into oil return line 34 and enters
Oil return box 6.From unload the excess traffic that oil circuit 32 flows away make control valve fast 1 will not overflow, reduce the loss of energy.
Fig. 2 is the shaft side figure of fuel pump outlet variable control valve block of the present utility model, and Fig. 3 is that oil pump of the present utility model goes out
The shaft side figure of mouth variable control valve block, is referred to shown in Fig. 2, Fig. 3.
In further embodiment of the present utility model, the first technique mouthful 111, unloading port 13, main oil inlet 11 and first time
Hydraulic fluid port 16 is arranged on the bottom surface of integrated valve group 1.
In further embodiment of the present utility model, work oil inlet 14 and the 3rd technique mouthful 113 is arranged on integrated valve group 1
Front.
In further embodiment of the present utility model, the technique mouthful of check valve mounting hole 15 and the 4th 114 is arranged on pile-up valve
The one side of group 1.
In further embodiment of the present utility model, the technique mouthful of flow control valve mounting hole 12 and second 112 is arranged on collection
Into another side of the valve group 1 relative to check valve mounting hole 15.
In further embodiment of the present utility model, continuing with shown in Figure 4, the second oil return opening 17, the 3rd oil return opening
18 are arranged on the back side of integrated valve group 1.
The foregoing is only the utility model preferred embodiment, not thereby limit embodiment of the present utility model and
Protection domain, to those skilled in the art, should can appreciate that in all utilization the utility model specifications and diagram
Hold the scheme obtained by made equivalent substitution and obvious change, should be included in protection model of the present utility model
In enclosing.
Claims (9)
1. a kind of fuel pump outlet variable control valve block, including control valve block, hydraulic motor, it is characterised in that the control valve block
Including:
Main oil inlet, the main oil inlet is connected with working connection;
Flow control valve, the flow control valve are installed in flow control valve mounting hole, the flow control valve mounting hole
First connected with the working connection, second mouthful of the flow control valve with unloading oil communication, the flow control valve
3rd mouthful connects with working oil path;
Oil communication unloads with described in unloading port, the unloading port;
Work oil inlet, and the work oil inlet connects with the motor oil inlet of the hydraulic motor, the work oil inlet and
The working oil path connection;
One check valve, one end of the check valve and the work are installed in check valve mounting hole, the check valve mounting hole
Oil communication, the other end of the check valve is connected with oil return line;
First oil return opening, first oil return opening is connected with the oil return line, and the oil return line unloads oil communication with described;
Second oil return opening, second oil return opening is connected with the oil return line, the motor oil-out of the hydraulic motor with it is described
Second oil return opening connects;
3rd oil return opening, the direction of the 3rd oil return opening is vertical with the direction of first oil return opening, the 3rd oil return opening
Connected with the oil return line.
2. fuel pump outlet variable control valve block according to claim 1, it is characterised in that the direction of the check valve is institute
Oil return line is stated to the working oil path.
3. fuel pump outlet variable control valve block according to claim 1, it is characterised in that also include:
First technique mouthful, first technique mouthful is connected with the first process pipeline, and the flow control valve passes through first work
One section of skill pipeline is connected with the working oil path;
Second technique mouthful, second technique mouthful is connected with the second process pipeline, and the 3rd oil return opening passes through second work
One section of skill pipeline is connected with the oil return line;
3rd technique mouthful, the 3rd technique mouthful is connected with the 3rd process pipeline, and one end of the check valve passes through the described 3rd
One section of process pipeline is connected with the working oil path;
4th technique mouthful, the 4th technique mouthful is connected with the 4th process pipeline, and the oil return line passes through the 4th process duct
One section of road unloads oil communication with described.
4. fuel pump outlet variable control valve block according to claim 1, it is characterised in that first oil return opening, described
Second oil return opening and the 3rd oil return opening connect with oil return box.
5. fuel pump outlet variable control valve block according to claim 3, it is characterised in that first technique mouthful, described
Unloading port, the main oil inlet and first oil return opening are arranged on the bottom surface of the control valve block.
6. fuel pump outlet variable control valve block according to claim 5, it is characterised in that second oil return opening, described
3rd oil return opening is arranged on the back side of the control valve block.
7. fuel pump outlet variable control valve block according to claim 6, it is characterised in that the work oil inlet and described
3rd technique mouth is arranged on the front of the control valve block.
8. fuel pump outlet variable control valve block according to claim 7, it is characterised in that the check valve mounting hole and institute
State the one side that the 4th technique mouth is arranged on the control valve block.
9. fuel pump outlet variable control valve block according to claim 8, it is characterised in that the flow control valve mounting hole
Another side of the control valve block relative to the check valve mounting hole is arranged on second technique mouthful.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621202703.3U CN206386322U (en) | 2016-11-08 | 2016-11-08 | A kind of fuel pump outlet variable control valve block |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621202703.3U CN206386322U (en) | 2016-11-08 | 2016-11-08 | A kind of fuel pump outlet variable control valve block |
Publications (1)
Publication Number | Publication Date |
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CN206386322U true CN206386322U (en) | 2017-08-08 |
Family
ID=59486643
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201621202703.3U Active CN206386322U (en) | 2016-11-08 | 2016-11-08 | A kind of fuel pump outlet variable control valve block |
Country Status (1)
Country | Link |
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CN (1) | CN206386322U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110905888A (en) * | 2019-12-24 | 2020-03-24 | 苏州嘉诺环境工程有限公司 | Hydraulic system and double-shaft crusher |
-
2016
- 2016-11-08 CN CN201621202703.3U patent/CN206386322U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110905888A (en) * | 2019-12-24 | 2020-03-24 | 苏州嘉诺环境工程有限公司 | Hydraulic system and double-shaft crusher |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP03 | Change of name, title or address |
Address after: 201112 Floor 1, Building 9, No. 333, Wanfang Road, Minhang District, Shanghai Patentee after: Shanghai Shentuo Intelligent Manufacturing Equipment Co.,Ltd. Address before: Room 101, Building 12, No. 1-17 and 18-30, Lane 88, Minbei Road, Minhang District, Shanghai, 201100 Patentee before: SHANGHAI SHENTUO HYDRAULIC TECHNOLOGY Co.,Ltd. |
|
CP03 | Change of name, title or address |