CN210599363U - Remote controller with valve core limiting function for plunger pump - Google Patents
Remote controller with valve core limiting function for plunger pump Download PDFInfo
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- CN210599363U CN210599363U CN201921673211.6U CN201921673211U CN210599363U CN 210599363 U CN210599363 U CN 210599363U CN 201921673211 U CN201921673211 U CN 201921673211U CN 210599363 U CN210599363 U CN 210599363U
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- valve core
- control valve
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Abstract
A remote controller with a valve core limit function for a plunger pump comprises a remote control valve body, a remote control valve core, a remote control adjusting spring, a damper and a valve core limit part, and is characterized in that the remote control valve body is provided with a control oil port C, an oil return port T and a load pressure oil port P, the remote control valve core is arranged in the remote control valve body, the damper is arranged at the right end of the remote control valve core, the load pressure oil port P is connected with an oil duct of the remote control valve core through the damper, the remote control adjusting spring is arranged at the left end of the remote control valve core, and the valve core limit part is arranged at the right end of the remote control valve body; the remote pressure control can be realized for the plunger variable pump, the motion of the valve core limiting throttle rod can be controlled through damping, the valve core limiting part enables the valve core limiting throttle rod to operate more stably, and the impact of flow fluctuation caused by pressure cut-off on the plunger variable pump is reduced.
Description
Technical Field
The utility model relates to a plunger pump technical field especially relates to a plunger pump is with taking spacing remote control of case.
Background
Traditional pressure control variable plunger pump system as long as the operating pressure of plunger pump reaches control pressure, the plunger pump is automatic changes the flow to minimum direction, and this change process is very quick, produces great impact to the plunger pump, has influenced the life of plunger pump, and the replacement cost is high, and stability is low, and later maintenance also need drop into more costs.
Disclosure of Invention
In order to solve the problem, the utility model provides a plunger pump is with taking spacing remote control of case provides one kind and can alleviate the flow fluctuation that arouses by pressure cut off and produce the remote control of assaulting to the plunger pump. In order to achieve the above purpose, the utility model adopts the following technical scheme: a remote controller with a valve core limit for a plunger pump comprises a remote control valve body, a remote control valve core, a remote control adjusting spring, a damper and a valve core limit part, wherein the remote control valve body is provided with a remote control interface, the remote control interface is connected with a plunger variable pump body through a bolt, the remote control interface is connected with a control oil duct of the plunger variable pump body so as to achieve the function of controlling the plunger variable pump body, the remote control valve body is provided with a control oil port C, an oil return port T and a load pressure oil port P, the remote control valve core is arranged in the remote control valve body, the remote control valve core is internally provided with an oil duct, the damper is arranged at the right end of the remote control valve core, the load pressure oil port P is connected with the oil duct of the remote control valve core through the damper, the remote control adjusting spring is arranged at the left end of the remote, the valve core limiting part is arranged at the right end of the remote control valve body.
Furthermore, the valve core limiting part is arranged as a throttle rod, the throttle rod is connected with the remote control valve body through threads, the throttle rod is convenient to adjust, the valve core is limited by the remote control valve better, the influence of hydraulic power on the remote control valve core is reduced, the stability of the remote control valve core is improved, the variable of the plunger variable pump body is more stable, and the fluctuation of output flow and pressure is reduced.
Compared with the prior art, the utility model discloses following beneficial effect has: the remote pressure control can be realized for the plunger variable pump, the motion of the valve core limiting throttle rod can be controlled through damping, the valve core limiting part enables the valve core limiting throttle rod to operate more stably, and the impact of flow fluctuation caused by pressure cut-off on the plunger variable pump is reduced.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
FIG. 1 is a schematic structural diagram of the present invention;
in the drawings: 1. the remote control valve comprises a remote control valve body 2, a remote control valve core 3, a remote control adjusting spring 4, a damping 5, a valve core limiting part 6 and a remote control interface.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described with reference to fig. 1 and the specific embodiments.
As shown in the attached figure 1, the remote controller with the valve core limiting function for the plunger pump comprises a remote control valve body 1, a remote control valve core 2, a remote control adjusting spring 3, a damping 4 and a valve core limiting part 5, wherein the remote control valve body 1 is provided with a remote control interface 6, the remote control interface 6 is connected with a plunger variable pump body through a bolt, the remote control interface 6 is connected with a control oil duct of the plunger variable pump body so as to achieve the function of controlling the plunger variable pump body, the remote control valve body 1 is provided with a control oil port C, an oil return port T and a load pressure oil port P, the remote control valve core 2 is arranged in the remote control valve body 1, the oil duct is arranged inside the remote control valve core 2, the damping 4 is arranged at the right end of the remote control valve core 2, and the load pressure oil port P is connected with the oil duct of the remote control valve, the remote control adjusting spring 3 is arranged at the left end of the remote control valve core 2, and the valve core limiting part 5 is arranged at the right end of the remote control valve body 1.
Further, the valve core limiting part 5 is arranged as a throttle rod, the throttle rod is connected with the remote control valve body 1 through threads, the throttle rod is convenient to adjust, the remote control valve core 2 is limited better, the influence of hydraulic power on the remote control valve core 2 is reduced, the stability of the remote control valve core 2 is improved, the variable of the plunger variable pump body is more stable, and the fluctuation of output flow and pressure is reduced.
The utility model discloses a theory of operation and working process as follows: in an initial state, under the acting force F of the left remote control adjusting spring 3, the remote control valve core 2 moves rightwards, due to the limiting effect of the valve core limiting part 5, the remote control valve core 2 just connects the control oil port C with the oil return port T and can not move for a large distance, so that the influence of fluctuation of pump flow caused by overlarge oil unloading amount when the control oil port C is communicated with the oil return port T is reduced, the control oil port C releases pressure, and the plunger pump has the maximum displacement; when the load reaches a preset pressure value, the hydraulic oil of the load pressure oil port P reaches the right end of the remote control valve core 2 through the oil duct, at the moment, the hydraulic oil of the load pressure oil port P circulates to the left end of the remote control valve core 2 through the damper 4 to form a control oil pressure P1, the left end of the remote control valve core 2 is further subjected to the spring force F of the remote control adjusting spring 3, when P1+ F is less than P, the remote control valve core 2 moves leftwards, at the moment, the load pressure oil port P is communicated with the control oil port C, the control oil port C is loaded, and the flow of the plunger pump is.
Compared with the prior art, the utility model discloses following beneficial effect has: the remote pressure control can be realized for the plunger variable pump, the motion of the valve core limiting throttle rod can be controlled through damping, the valve core limiting part enables the valve core limiting throttle rod to operate more stably, and the impact of flow fluctuation caused by pressure cut-off on the plunger variable pump is reduced.
Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.
Claims (2)
1. A remote controller with a valve core limit for a plunger pump comprises a remote control valve body (1), a remote control valve core (2), a remote control adjusting spring (3), a damping (4) and a valve core limit part (5), and is characterized in that the remote control valve body (1) is provided with a remote control interface (6), the remote control interface (6) is connected with a plunger variable pump body through a bolt, the remote control interface (6) is connected with a control oil duct of the plunger variable pump body, the remote control valve body (1) is provided with a control oil port C, an oil return port T and a load pressure oil port P, the remote control valve core (2) is arranged in the remote control valve body (1), an oil duct is arranged inside the remote control valve core (2), the damping (4) is arranged at the right end of the remote control valve core (2), and the load pressure oil port P is connected with the oil duct of the remote control valve core (2) through the damping (4), the remote control adjusting spring (3) is arranged at the left end of the remote control valve core (2), and the valve core limiting part (5) is arranged at the right end of the remote control valve body (1).
2. The remote controller with the valve core limit function for the plunger pump according to claim 1, wherein the valve core limit part (5) is provided as a throttle lever, and the throttle lever is connected with the remote control valve body (1) through a thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921673211.6U CN210599363U (en) | 2019-10-09 | 2019-10-09 | Remote controller with valve core limiting function for plunger pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921673211.6U CN210599363U (en) | 2019-10-09 | 2019-10-09 | Remote controller with valve core limiting function for plunger pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210599363U true CN210599363U (en) | 2020-05-22 |
Family
ID=70689865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921673211.6U Active CN210599363U (en) | 2019-10-09 | 2019-10-09 | Remote controller with valve core limiting function for plunger pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210599363U (en) |
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2019
- 2019-10-09 CN CN201921673211.6U patent/CN210599363U/en active Active
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