CN208330643U - A kind of high-pressure plunger pump of carry potential overflow valve - Google Patents
A kind of high-pressure plunger pump of carry potential overflow valve Download PDFInfo
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- CN208330643U CN208330643U CN201820896091.5U CN201820896091U CN208330643U CN 208330643 U CN208330643 U CN 208330643U CN 201820896091 U CN201820896091 U CN 201820896091U CN 208330643 U CN208330643 U CN 208330643U
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- valve
- pump housing
- spool
- overflow valve
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Abstract
The utility model relates to a kind of high-pressure plunger pump of carry potential overflow valve, including the pump housing, overflow valve is connected on the pump housing, and the overflow valve is located on the conduit wall between the water inlet and water outlet that the pump housing is equipped with;The overflow valve includes off-load bonnet, valve rod, valve pocket, valve seat, spool, valve deck, and the spool is located in the first through hole that valve seat is equipped with, and the valve seat is located in valve pocket, and is limited and fixed by valve deck, which is fixed on valve pocket;Open bottom on one end of the spool and the conduit wall of the pump housing is inconsistent, and the other end of spool passes through the second through-hole that valve deck is equipped with and inconsistent with one end of valve rod;The utility model has the following beneficial effects: by adding overflow valve on the conduit wall between the water inlet and water outlet of the pump housing, when plunger pump stops working, so that the load reduction of driving motor, to also guarantee plunger performance, prolong the service life.
Description
Technical field
The utility model belongs to plunger pump technique field more particularly to a kind of carry potential overflow valve suitable on jetting machine
High-pressure plunger pump.
Background technique
Jetting machine is the machine for making high-pressure plunger pump generation high pressure water to rinse body surface by power device,
Plunger pump is the important device of distribution cleaning fluid in jetting machine, is respectively equipped with inlet and outlet on plunger pump, and
Plunger by pumping upper side works so that inlet and outlet are connected to or be separated, and the plunger is by transmission device and drives
Dynamic motor is connected and reciprocating, very big due to pumping intracorporal pressure when plunger pump stops working, so that driving motor
Load can be very big, also will affect the performance of plunger over time.
Summary of the invention
The purpose of the utility model is to overcome the shortcomings of the prior art, and provide a kind of high-pressure column of carry potential overflow valve
Plug pump, when plunger pump stops working, so that the load reduction of driving motor, to also guarantee that plunger performance, extension use the longevity
Life.
The purpose of this utility model is completed by following technical solution, the high-pressure plunger pump packet of this carry potential overflow valve
Include the pump housing, be connected with overflow valve on the pump housing, and the overflow valve be located at water inlet that the pump housing is equipped with and water outlet it
Between conduit wall on;The overflow valve includes off-load bonnet, valve rod, valve pocket, valve seat, spool, valve deck, and the spool is located at
In the first through hole that valve seat is equipped with, the valve seat is located in valve pocket, and is limited and fixed by valve deck, which is fixed on valve pocket
On;Open bottom on one end of the spool and the conduit wall of the pump housing is inconsistent, and the other end of spool passes through set by valve deck
The second through-hole for having is simultaneously inconsistent with one end of valve rod;It is logical that the other end of the valve rod is located at the third having set by off-load bonnet
Kong Shang;It accompanies spring between the off-load bonnet and valve rod, and the spring pocket is on valve rod, and passes through the off-load bonnet
Overflow valve is fixed on the pump housing.
Preferably, the valve rod positioned at off-load bonnet end is connected with extraneous controller, and pass through controller
Control come driving stem and valve core chamber axial movement.
Preferably, the spring pocket, on valve rod, one end of the spring limits on the end face of valve rod, other end limit
Position is on spring pressuring ring, and the spring pressuring ring is fixed on off-load bonnet.
Preferably, being equipped with the first apopore, the first apopore phase with the valve pocket at the valve wall of the valve pocket is radial
The second apopore is equipped at the valve wall of corresponding valve seat is radial.
Preferably, the valve pocket is located in the opening on the conduit wall of the pump housing, and valve rod is located at valve pocket and unloading valve
In cap.
The utility model has the following beneficial effects: excessive by being added on the conduit wall between the water inlet and water outlet of the pump housing
Valve is flowed, when plunger pump stops working, so that the load reduction of driving motor, to also guarantee that plunger performance, extension use the longevity
Life.
Detailed description of the invention
Fig. 1 is the whole configuration schematic diagram of the utility model.
Label in attached drawing is respectively as follows: the 1, pump housing;2, overflow valve;11, water inlet;12, water outlet;13, it is open;21, it unloads
Lotus bonnet;22, valve rod;23, valve pocket;24, valve seat;25, spool;26, valve deck;27, the first spring;28, spring pressuring ring;211,
Three through-holes;231, the first apopore;241, first through hole;242, the second apopore;261, the second through-hole.
Specific embodiment
Do detailed introduction to the utility model below in conjunction with attached drawing: as shown in Fig. 1, the utility model includes the pump housing
1, overflow valve 2 is connected on the pump housing 1, and the overflow valve 2 is located at the water inlet 11 and water outlet 12 that the pump housing 1 is equipped with
Between conduit wall on;The overflow valve 2 includes off-load bonnet 21, valve rod 22, valve pocket 23, valve seat 24, spool 25, valve deck
26, the spool 25 is located in the first through hole 241 that valve seat 24 is equipped with, and the valve seat 24 is located in valve pocket 23, and by
The limit of valve deck 26 is fixed, which is fixed on valve pocket 23;One end of the spool 25 and opening on the conduit wall of the pump housing 1
13 bottoms of mouth are inconsistent, and the other end of spool 25 passes through the second through-hole 261 that valve deck 26 is equipped with and one end phase with valve rod 22
It contradicts;The other end of the valve rod 22 is located on the third through-hole 211 that off-load bonnet 21 is equipped with;The off-load bonnet 21
Accompany spring 27 between valve rod 22, and 27 sets of the spring is on valve rod 22, and by the off-load bonnet 21 by overflow valve 2
It is fixed on the pump housing 1;The valve rod 22 positioned at 21 end of off-load bonnet is connected with extraneous controller, and passes through controller
Control carry out axial movement between driving stem 22 and spool 25.
When the hydraulic balance in the pump housing 1, in the raw, controller is in close state spring 27 at this time, and
Promote spool 25 and 13 bottom of opening on the conduit wall of the pump housing 1 inconsistent, and is in state of pressure keeping;Hydraulic pressure in the pump housing 1
It is when excessively high, controller is in the open state, and promote the axial movement of valve rod 22 that spring 27 is made to be in compressive state, valve at this time
Spool 25 in seat 24 moves axially, and is flowed out by the second apopore 242 of the first water outlet 231 and valve seat 24 in valve pocket 23
To extraneous water tank, thus to reduce the intracorporal hydraulic pressure of pump, so that the load reduction of driving motor, to also guarantee plunger
Can, it prolong the service life.
On valve rod 22, one end of the spring 27 limits on the end face of valve rod 22 described 27 sets of spring, other end limit
Position is on spring pressuring ring 28, and the spring pressuring ring 28 is fixed on off-load bonnet 21, makes the stabilization of spring 27 with this configuration
Property is more preferable.
The first apopore 231,231 phase of the first apopore with the valve pocket 23 are equipped at the valve wall of the valve pocket 23 is radial
The second apopore 242, and first apopore 231 and 242 phase of the second apopore are equipped at the valve wall of corresponding valve seat 24 is radial
Alignment;During operating overflow valve 2, the spool 25 in valve seat 24 is moved axially, and water energy at this time is from by valve pocket 23
Second apopore 242 of the first water outlet 231 and valve seat 24 flows out in extraneous water tank, thus to reduce the intracorporal water of pump
Pressure.
The valve pocket 23 is located in the opening 13 on the conduit wall of the pump housing 1, and valve rod 22 is located at valve pocket 23 and unloading valve
In cap 21.
The utility model is not limited to above embodiment, makees any variation no matter constituting in its shape or material, all
It is to be designed using structure provided by the utility model, is all a kind of deformation of the utility model, is considered as practical new at this
Within type protection scope.
Claims (5)
1. a kind of high-pressure plunger pump of carry potential overflow valve, including the pump housing (1), it is characterised in that: be connected on the pump housing (1) excessive
It flows valve (2), and the overflow valve (2) is located at the conduit wall between the pump housing (1) water inlet (11) being equipped with and water outlet (12)
On;The overflow valve (2) includes off-load bonnet (21), valve rod (22), valve pocket (23), valve seat (24), spool (25), valve deck
(26), the spool (25) is located in the first through hole (241) that valve seat (24) is equipped with, and the valve seat (24) is located at valve pocket
(23) it in, and is limited and is fixed by valve deck (26), which is fixed on valve pocket (23);One end of the spool (25) with
Opening (13) bottom on the conduit wall of the pump housing (1) is inconsistent, the other end of spool (25) pass through that valve deck (26) be equipped with the
Two through-holes (261) are simultaneously inconsistent with one end of valve rod (22);The other end of the valve rod (22) is located at off-load bonnet (21) institute
On the third through-hole (211) being equipped with;It is accompanied spring (27) between the off-load bonnet (21) and valve rod (22), and the spring
(27) it covers on valve rod (22), and overflow valve (2) is fixed on the pump housing (1) by the off-load bonnet (21).
2. the high-pressure plunger pump of carry potential overflow valve according to claim 1, it is characterised in that: described is located at off-load bonnet
(21) valve rod (22) held is connected with extraneous controller, and by the control of controller come the axis of driving stem and valve core chamber
To movement.
3. the high-pressure plunger pump of carry potential overflow valve according to claim 1, it is characterised in that: the spring (27) is covered in valve
On bar (22), one end of the spring (27) is limited on the end face of valve rod (22), and the other end limits on spring pressuring ring (28), and
The spring pressuring ring (28) is fixed on off-load bonnet (21).
4. the high-pressure plunger pump of carry potential overflow valve according to claim 1, it is characterised in that: the valve wall of the valve pocket (23)
The first apopore (231) are equipped at radial, the valve wall of valve seat (24) corresponding with the first apopore (231) of the valve pocket (23)
The second apopore (242) are equipped at radial.
5. the high-pressure plunger pump of carry potential overflow valve according to claim 1, it is characterised in that: the valve pocket (23) is located at pump
In opening (13) on the conduit wall of body (1), and valve rod (22) is located in valve pocket (23) and off-load bonnet (21).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820896091.5U CN208330643U (en) | 2018-06-11 | 2018-06-11 | A kind of high-pressure plunger pump of carry potential overflow valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820896091.5U CN208330643U (en) | 2018-06-11 | 2018-06-11 | A kind of high-pressure plunger pump of carry potential overflow valve |
Publications (1)
Publication Number | Publication Date |
---|---|
CN208330643U true CN208330643U (en) | 2019-01-04 |
Family
ID=64773762
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201820896091.5U Active CN208330643U (en) | 2018-06-11 | 2018-06-11 | A kind of high-pressure plunger pump of carry potential overflow valve |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN208330643U (en) |
-
2018
- 2018-06-11 CN CN201820896091.5U patent/CN208330643U/en active Active
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