A kind of novel high-pressure plunger pump
Technical field
The utility model belongs to plunger pump technique field more particularly to a kind of novel high-pressure suitable on jetting machine
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;Water outlet therein is connected with spray
Hydraulic giant, but carry out cleaning object surface since cleaning machine needs the water of cleaning solution collocation high pressure to be mixed together, and existing cleaning machine,
Its cleaning solution is typically all to pass through fluid reservoir to be mounted on water pistol, and disadvantage is: cleaning solution mixes not uniform enough, and hand-held
The water pistol is relatively harder, inconvenient;And plunger is connected and reciprocating by transmission device with driving motor, works as plunger
It is very big due to pumping intracorporal pressure when pump stops working, so that the load of driving motor can be very big, it also will affect column over time
The performance of plug.
Summary of the invention
The purpose of the utility model is to overcome the shortcomings of the prior art, and provide it is a kind of it is compact-sized, performance is excellent
More, multiple functional novel high-pressure plunger pump.
The purpose of this utility model is completed by following technical solution, and this novel high-pressure plunger pump includes pump
Body is connected with overflow valve and liquid absorption device on the pump housing, and the overflow valve is mounted on the conduit wall of the pump housing and is opened up
The first opening on, and on the conduit wall being located between the pump housing water inlet and water outlet that are equipped with;The liquid absorption device
It is mounted in the second opening that the conduit wall of pump housing water outlet end is opened up, and is equipped at the water outlet inner wall of the pump housing
Nozzle, the nozzle are communicated with the second opening;The overflow valve is connected with the channel between liquid absorption device by the pump housing.
Preferably, the overflow valve includes off-load bonnet, valve rod, valve pocket, valve seat, spool, valve deck, the spool
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
On valve pocket;The first 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 is simultaneously inconsistent with one end of valve rod;The other end of the valve rod, which is located at set by off-load bonnet, to be had
Third through-hole on;It accompanies the first spring between the off-load bonnet and valve rod, and first spring pocket is on valve rod, and leads to
It crosses the off-load bonnet overflow valve is fixed on the pump housing;The valve rod and extraneous controller positioned at off-load bonnet end
It is connected, and by the control of controller come the axial movement of driving stem and valve core chamber.
Preferably, first spring pocket, on valve rod, one end of first spring limits on the end face of valve rod,
The other end limits 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, liquid absorption device includes imbibition connector, steel ball, second spring, hose, one end of the imbibition connector
It is connected on the pump housing, and is located in the second opening set by pump housing water outlet end;The second spring is limited by imbibition connector
Position is in the second open channel of pump housing water outlet end, and one end of the second spring and the bottom connection of the second opening touch, separately
One end is inconsistent with steel ball;The steel-ball limiting is located at the intracorporal one end of pump with imbibition connector and offsets in open channel
Touching, the other end of the imbibition connector are connected with hose.
Preferably, be equipped with the first sealing ring on one end port of the imbibition connector, and first sealing ring with
Steel ball contact.
Preferably, being equipped with a circle positive stop strip at the outer wall of the imbibition connector is radial, and the side peace of the positive stop strip
Equipped with the second sealing ring, which is open institute end toward the second of the pump housing.
The utility model has the following beneficial effects: by adding imbibition dress in opening set by the cavity in pump housing water outlet end
Set, when plunger pump startup, as long as water pistol one is opened, liquid absorption device will extract cleaning solution out out of fluid reservoir, and in cavity
Water mixing, to flow out to water outlet by nozzle, with cleaning solution, uniformly mixed, easy to use and water pistol is also more
For light and handy advantage;And by adding overflow valve on the conduit wall between the water inlet and water outlet of the pump housing, stop in plunger pump
When only working, so that the load reduction of driving motor, to also guarantee plunger performance, prolong the service life.
Detailed description of the invention
Fig. 1 is the whole configuration schematic diagram of the utility model.
Fig. 2 is the configuration schematic diagram between the pump housing of the utility model and overflow valve.
Fig. 3 is the configuration schematic diagram between the pump housing of the utility model and liquid absorption device.
Label in attached drawing is respectively as follows: the 1, pump housing;2, overflow valve;3, liquid absorption device;11, water inlet;12, water outlet;13,
First opening;14, the second opening;21, off-load bonnet;22, valve rod;23, valve pocket;24, valve seat;25, spool;26, valve deck;27,
First spring;28, spring pressuring ring;31, imbibition connector;32, steel ball;33, second spring;34, hose;35, the first sealing ring;
36, positive stop strip;37, the second sealing ring;211, third through-hole;231, the first apopore;241, first through hole;242, the second water outlet
Hole;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 and liquid absorption device 3 are connected on the pump housing 1, and the overflow valve 2 is mounted on institute on the conduit wall of the pump housing 1
In the first opening 13 opened up, and on the conduit wall between the water inlet 11 being equipped with of the pump housing 1 and water outlet 12;It is described
Liquid absorption device 3 be mounted in the second opening 14 that the conduit wall at 12 end of pump housing water outlet is opened up, and the pump housing 1 goes out
Nozzle 4 is installed at 12 inner wall of the mouth of a river, which communicates with the second opening 14;Lead between the overflow valve 2 and liquid absorption device 3
The channel for crossing the pump housing 1 is connected;The liquid absorption device 3, when plunger pump startup, as long as soon as water pistol is opened, liquid absorption device 3
Cleaning solution can be extracted out out of fluid reservoir, and mixed with intracorporal water is pumped, to flow out to water outlet by nozzle, there is cleaning
Liquid is uniformly mixed, easy to use and water pistol also more light and handy advantage;The overflow valve 2 when plunger pump stops working,
So that the load reduction of driving motor, to also guarantee plunger performance, prolong the service life.
As shown in Fig. 2, the overflow valve 2 include off-load bonnet 21, valve rod 22, valve pocket 23, valve seat 24, spool 25,
Valve deck 26, the spool 25 are 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 limited and fixed by valve deck 26, which is fixed on valve pocket 23;On one end of the spool 25 and the conduit wall of the pump housing 1
The first 13 bottoms of opening it is inconsistent, the other end of spool 25 pass through the second through-hole 261 that valve deck 26 is equipped with and with valve rod 22
One end it is inconsistent;The other end of the valve rod 22 is located on the third through-hole 211 that off-load bonnet 21 is equipped with;Described unloads
The first spring 27 is accompanied between lotus bonnet 21 and valve rod 22, and 27 sets of first spring unloads on valve rod 22, and by described
Overflow valve 2 is fixed on the pump housing 1 by lotus bonnet 21;The controller phase of the valve rod 22 and the external world positioned at 21 end of off-load bonnet
Connection, and by the control of controller come the axial movement of driving stem and valve core chamber.When the stable water pressure in the pump housing 1, this
When the first spring 27 in the raw, controller is in close state, and is promoted on the conduit wall of spool 25 and the pump housing 1
First 13 bottoms of opening are inconsistent, and are in state of pressure keeping;When the hydraulic pressure in the pump housing 1 is excessively high, controller is in open shape
State, and promote the axial movement of valve rod 22 that the first spring 27 is made to be in compressive state, the spool 25 in valve seat 24 at this time is axial to be moved
It is dynamic, it is flowed out to by the second apopore 242 of the first water outlet 231 and valve seat 24 in valve pocket 23 in extraneous water tank, to drop
Hydraulic pressure in the low pump housing 1, so that the load reduction of driving motor, to also guarantee plunger performance, prolong the service life.
On valve rod 22, one end of first spring 27 limits on the end face of valve rod 22 27 sets of first spring,
The other end limits on spring pressuring ring 28, and the spring pressuring ring 28 is fixed on off-load bonnet 21.
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 is equipped at the valve wall of corresponding valve seat 24 is radial.
As shown in Fig. 3, the liquid absorption device 3 includes imbibition connector 31, steel ball 32, second spring 33, hose 34, institute
The one end for the imbibition connector 31 stated is connected on the pump housing 1, and is located in the second opening 14 set by 12 end of pump housing water outlet;It is described
Second spring 33 limited in second 14 channels of opening at 12 end of pump housing water outlet by imbibition connector 31, and the second spring
33 one end and the bottom connection of the second opening 14 touch, and the other end and steel ball 32 are inconsistent;The limit of steel ball 32 is being open
In 13 channels, and with imbibition connector 31 be located at one end in the pump housing 1 inconsistent, the other end and hose of the imbibition connector 31
34 are connected, and the hose 34 is connected with the fluid reservoir with cleaning solution.When the connected water pistol work of water outlet 12 of the pump housing 1
When making, the cleaning solution in fluid reservoir is sucked out to the pump housing 1 by imbibition connector 31 at this time, at this time the state of liquid absorption device 3 are as follows:
Second spring 33 is in compressive state, and steel ball 32 is not contacted with imbibition connector 31;When water pistol is closed, in the pump housing 1 at this time
In vacuum state, so that steel ball 32 and imbibition connector 31 are in close contact, the water flow in the pump housing 1 be may not flow into fluid reservoir.
First sealing ring 35, and first sealing ring 35 and steel ball are installed on one end port of the imbibition connector 31
32 contacts;First sealing ring 35 makes when water pistol is closed, and steel ball 32 and the first sealing ring 35 can play good sealing
Effect.
A circle positive stop strip 36 is equipped at the outer wall of the imbibition connector 31 is radial, and the side of the positive stop strip 36 is equipped with
Second sealing ring 37, second sealing ring 37 make the pump housing 1 toward the second 14 ends of opening of the pump housing 1, second sealing ring 37
The effect of sealing is played between the second set opening 14 and imbibition connector 31.
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.