CN207245986U - A kind of stable supercharging interlocks the jetting machine shut down - Google Patents
A kind of stable supercharging interlocks the jetting machine shut down Download PDFInfo
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- CN207245986U CN207245986U CN201721326750.3U CN201721326750U CN207245986U CN 207245986 U CN207245986 U CN 207245986U CN 201721326750 U CN201721326750 U CN 201721326750U CN 207245986 U CN207245986 U CN 207245986U
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Abstract
The utility model belongs to jetting machine technical field, it is related to a kind of stable supercharging and interlocks the jetting machine shut down, including the pump housing, plunger cavity, the bent shaft-driven plunger being slidably installed in plunger cavity, intake tunnel is provided with the one side wall of the booster cavity connected at the top of plunger cavity and with plunger cavity, exhalant canal is provided with another side wall, water feeding one-way valve is provided with intake tunnel, water one-way valve is provided with out on exhalant canal, the opening that the intake tunnel is located at booster cavity is provided with the check valve installation position that intake tunnel expands neck formation, the water feeding one-way valve is plugged on check valve installation position, the connectivity part of plunger cavity and booster cavity is connected with water feeding one-way valve tabletting, the outer end apical grafting of water feeding one-way valve is in water feeding one-way valve tabletting, the water hole of connection plunger cavity and booster cavity is provided with water feeding one-way valve tabletting, advantage is：Using water feeding one-way valve tabletting, microswitch and pressure switch, the shutdown gearing for stablizing supercharging and hydraulic giant and high-pressure pump is realized.
Description
Technical field
The utility model belongs to jetting machine technical field, refers in particular to a kind of stable supercharging and interlocks the high-pressure wash shut down
Machine.
Background technology
At present, the water feeding one-way valve of jetting machine is that outer end is vacantly arranged in plunger head, and this structure is all leaned on
0 shape circle on water feeding one-way valve housing exterior walls, which blocks, realizes axially position, but due to the jerk type of pressurization, it is easy to make
Come off into water feeding one-way valve cover, cause pressure to decline non-serviceable situation and occur, in addition, after closing hydraulic giant, if closing not in time
High-pressure pump is closed, connecting the pressure in the conduit of hydraulic giant can drastically increase, and cause conduit explosion, influence next use.
The content of the invention
The purpose of this utility model is to provide a kind of stable supercharging and interlocks the jetting machine shut down.
What the purpose of this utility model was realized in：
A kind of stable supercharging interlocks the jetting machine shut down, including the pump housing, plunger cavity, bent shaft-driven is slidably installed in plunger
The plunger of intracavitary, is provided with intake tunnel, another side wall in the one side wall of the booster cavity connected at the top of plunger cavity and with plunger cavity
On be provided with exhalant canal, water feeding one-way valve is provided with intake tunnel, is provided with out water one-way valve on exhalant canal, it is described into
The opening that aquaporin is located at booster cavity is provided with the check valve installation position that intake tunnel expands neck formation, the water feeding one-way valve
It is plugged on check valve installation position, the connectivity part of plunger cavity and booster cavity is connected with water feeding one-way valve tabletting, water feeding one-way valve
Outer end apical grafting is provided with the water hole of connection plunger cavity and booster cavity in water feeding one-way valve tabletting in water feeding one-way valve tabletting.
Concrete structure of the outer end apical grafting of above-mentioned water feeding one-way valve in water feeding one-way valve tabletting be：Water feeding one-way valve
Valve seat external cylindrical surface is connected on check valve installation position, and spool apical grafting is connected with bullet on valve seat on the stent that is connected on valve seat
Spring abutment, apical grafting has spring between spool and spring base, and the outer end face apical grafting of spring base is in water feeding one-way valve tabletting.
The inner and the outer end of the water seal stent apical grafting in plunger cavity, outer end and spring base of above-mentioned water feeding one-way valve tabletting
Face apical grafting.
Sealing ring is provided between above-mentioned valve seat external cylindrical surface and check valve installation position.
Above-mentioned water feeding one-way valve tabletting includes disk and the bulge loop being molded on the periphery of the disk back side, the middle part of disk are equal
Limbers is furnished with, fluted, the front of disk and the outer end apical grafting of water feeding one-way valve are arranged at intervals on the outer of disk and bulge loop.
The exhalant canal that the intake tunnel set in above-mentioned booster cavity one side wall has three, sets on another side wall has three
Bar, is provided with a water feeding one-way valve on each intake tunnel, being provided with one on each exhalant canal goes out water one-way valve.
Above-mentioned three intake tunnels arrangement triangular in shape in the one side wall of booster cavity, corresponding three water feeding one-way valves
Also arrangement triangular in shape.
Related hydraulic giant linked switch is set, including the microswitch and mandril chamber set on jetting machine housing, mandril
Mandril chamber and microswitch apical grafting are stretched out in the one end for the mandril that intracavitary is set, and the other end of mandril is expanding to be sealed with mandril cavity wall
Be slidably connected and by mandril chamber be divided into the pressure storing cavity of inner side, outside pressure-sensitive chamber, pressure-sensitive intracavitary apical grafting has a push rod spring, storage pressure
Break-make is controlled by pressure switch between chamber and pressure-sensitive chamber, pressure-sensitive chamber is connected with the booster cavity.
Above-mentioned pressure switch includes the valve chamber connected with pressure-sensitive chamber, the lower end for the valve that valve intracavitary is set and valve
Chamber connects, and the side wall of valve chamber is connected with pressure storing cavity, the upper end apical grafting thoughts pressing spring of valve intracavitary valve；Work as jetting machine
When not working, the pressure in pressure-sensitive chamber and pressure storing cavity is zero, and mandril is ejected and be pressed into microswitch bar, fine motion by push rod spring
Switch is by normally closed, the motor energy normal starting of normally opened change；Valve is promoted to overcome after jetting machine works and reaches setting pressure
The pressure of pressure-sensitive spring moves up and makes that pressure storing cavity passes sequentially through passage, valve chamber is connected with pressure-sensitive chamber, in the effect of push rod spring
Lower holding microswitch is normally closed, and motor can work normally, and hydraulic giant can normal water outlet；When the normal water outlet of hydraulic giant and turn off water
After rifle, pressure-sensitive chamber pressure release, valve moves down under the action of pressure-sensitive spring makes pressure storing cavity no longer be connected with pressure-sensitive chamber, in moment water hammer
Under effect, pressure storing cavity pressure is more than the sum of pressure of pressure-sensitive chamber and push rod spring, promotes mandril to move to right and becomes toward rollback, microswitch
Normally opened free state, down circuitry are returned, machine is stopped.
The pressure of above-mentioned pressure-sensitive spring is adjusted by regulator bolts.
Brief description of the drawings
Fig. 1 is one of sectional view of the utility model.
Fig. 2 is the two of the sectional view of the utility model.
Fig. 3 is the B-B direction sectional view of Fig. 1.
Fig. 4 is the A portions enlarged drawing of Fig. 1.
Fig. 5 is the front view of the water feeding one-way valve tabletting of the utility model.
Fig. 6 is the C-C of Fig. 5 to sectional view.
Fig. 7 is the partial enlarged view of Fig. 2.
Embodiment
The utility model is further described with specific embodiment below in conjunction with the accompanying drawings, referring to Fig. 1-Fig. 7：
A kind of stable supercharging interlocks the jetting machine shut down, including the pump housing, plunger cavity 61, bent axle 15 are driven by connecting rod 13
The dynamic plunger 11 being slidably installed in plunger cavity 61, plunger 11 supports with 3 grades of compression rings 9 of water seal stent in the plunger cavity 61, with adding
Cloth water seal 8, water seal 21, O-ring 22 and reciprocating oil seal 12 seal, the top of plunger cavity 61 and the booster cavity 62 connected with plunger cavity 61
One side wall on be provided with intake tunnel 64, be provided with exhalant canal on another side wall, be provided with intake tunnel 64 into water list
To valve 5, be provided with out water one-way valve 2 on exhalant canal, the intake tunnel 64 be located at booster cavity 62 opening be provided with into
Aquaporin 64 expands the check valve installation position 63 that neck is formed, and the water feeding one-way valve 5 is plugged on check valve installation position 63, plunger
Chamber 61 and the connectivity part of booster cavity 62 are connected with water feeding one-way valve tabletting 6, and the outer end apical grafting of water feeding one-way valve 5 is in water feeding one-way valve
In tabletting 6, the water hole 67 of connection plunger cavity 61 and booster cavity 62 is provided with water feeding one-way valve tabletting 6.
Concrete structure of the outer end apical grafting of above-mentioned water feeding one-way valve 5 in water feeding one-way valve tabletting 6 be：Water feeding one-way valve
The external cylindrical surface of 5 valve seat 51 is connected on check valve installation position 63, and 52 apical grafting of spool connects on valve seat 51 on valve seat 51
Spring base 54 is connected with stent, apical grafting has spring 53 between spool 52 and spring base 54, and the outer end face apical grafting of spring base 54 exists
In water feeding one-way valve tabletting 6, sealed between the housing and intake tunnel 64 of water feeding one-way valve 5 by sealing ring 4.
The inner of above-mentioned water feeding one-way valve tabletting 6 and 3 apical grafting of water seal stent, outer end and the spring base 54 in plunger cavity 61
Outer end face apical grafting.
Sealing ring 4 is provided between above-mentioned 51 external cylindrical surface of valve seat and check valve installation position 63.
Above-mentioned water feeding one-way valve tabletting 6 includes disk 68 and the bulge loop 69 being molded on 68 back side periphery of disk, disk
68 middle part is evenly equipped with limbers 65, is arranged at intervals fluted 66 on the outer of disk 68 and bulge loop 69, the front of disk with into
The outer end apical grafting of water one-way valve 5.
The intake tunnel 64 set in above-mentioned 62 one side wall of booster cavity has three, the exhalant canal set on another side wall
There are three, a water feeding one-way valve 5 is provided with each intake tunnel 64, it is unidirectional that a water outlet is provided with each exhalant canal
Valve 2；Go out water one-way valve 2 to be arranged on outside booster cavity 62, can also claim outer check valve；Water feeding one-way valve 5 is arranged in booster cavity 62
On wall, it can also claim internal check valve.
Above-mentioned three intake tunnels 64 arrangement triangular in shape in the one side wall of booster cavity 62, corresponding three water inlets are single
To the valve 5 also arrangement triangular in shape on 62 inner wall of booster cavity.
The microswitch 37 and mandril set on related hydraulic giant linked switch, including jetting machine housing 14,16 is set
The mandril chambers that seat 39 is formed with valve body 80, one end of the mandril 38 that mandril intracavitary is set stretch out that mandril chamber is outer and microswitch
37 apical graftings, the expanding pressure storing cavity being slidably connected with the sealing of mandril cavity wall and mandril chamber is divided into inner side of the other end of mandril 38
70th, the pressure-sensitive chamber 71 in outside, apical grafting has push rod spring 35 in pressure-sensitive chamber 71, is opened between pressure storing cavity 70 and pressure-sensitive chamber 71 by pressure
Control break-make is closed, pressure-sensitive chamber 71 is connected by pipeline with the booster cavity 62.
Above-mentioned pressure switch includes the valve chamber 72 connected by pipeline with pressure-sensitive chamber 71, the work set in valve chamber 72
The lower end of door 34 is connected with valve chamber 72, and the side wall of valve chamber 72 is connected with pressure storing cavity 70, the upper end top of valve in valve chamber 72
It is connected to pressure-sensitive spring 73；When jetting machine does not work, the pressure in pressure-sensitive chamber 71 and pressure storing cavity 70 is zero, push rod spring 35
Mandril 38 is ejected and is pressed into 37 bar of microswitch, microswitch 37 is by normally closed, the motor energy normal starting of normally opened change；Work as high pressure
Cleaning machine works and promotes valve 34 to overcome the pressure of pressure-sensitive spring 73 to move up and make pressure storing cavity 70 successively after reaching setting pressure
Connected by passage 74, valve chamber 72 with pressure-sensitive chamber 71, keep microswitch 37 normally closed under the action of push rod spring 35, motor
It can work normally, and hydraulic giant can normal water outlet；When the normal water outlet of hydraulic giant and after turn off hydraulic giant, 71 pressure release of pressure-sensitive chamber, valve
34 move down under the action of pressure-sensitive spring 73 and pressure storing cavity 70 is no longer connected with pressure-sensitive chamber 71, under moment water hammering, storage pressure
70 pressure of chamber is more than the sum of pressure of pressure-sensitive chamber 71 and push rod spring 35, promotes mandril 38 to move to right and becomes toward rollback, microswitch 37
Normally opened free state, down circuitry are returned, machine is stopped.
The pressure of above-mentioned pressure-sensitive spring 73 is adjusted by regulator bolts 72.
The utility model is by the outer end apical grafting of water feeding one-way valve 5 in water feeding one-way valve tabletting 5 so that water feeding one-way valve 5
Outer end no longer vacantly set, no matter how pressurization hydraulic pressure pulses, and water feeding one-way valve cover will not fall off, can be with during use
Stable supercharging, the security of work improve.
The utility model utilizes microswitch 37 and pressure switch, realizes quick autostop work(after closing hydraulic giant
Can, interlocked due to closing hydraulic giant action and the shutdown of high-pressure pump, after closing hydraulic giant, simultaneously close off high-pressure pump, connect leading for hydraulic giant
Pressure in pipe will not persistently increase, it is ensured that the service life of conduit, while also save electric power energy.
Push rod spring 35 is placed in inside mandril 38 by the utility model, can set push rod spring number of active coils and pitch
Count longer more, solve the problems, such as push rod spring fatigue life, sealing O-ring 36 and ring washer 33 to be housed on mandril 38,
Tarpaulin 40 is cased with tip-lever support, for the sealing to 38 front and back end of mandril.
Above-described embodiment is only the preferred embodiment of the utility model, not limits the protection model of the utility model according to this
Enclose, therefore：The equivalence changes that all structures, shape, principle according to the utility model are done, should all be covered by the protection of the utility model
Within the scope of.
Claims (10)
1. a kind of stable supercharging interlocks the jetting machine shut down, including the pump housing, plunger cavity, bent shaft-driven it is slidably installed in plunger cavity
Interior plunger, intake tunnel is provided with the one side wall of the booster cavity connected at the top of plunger cavity and with plunger cavity, on another side wall
Exhalant canal is provided with, water feeding one-way valve is provided with intake tunnel, water one-way valve is provided with out on exhalant canal, its feature exists
In：The opening that the intake tunnel is located at booster cavity is provided with the check valve installation position that intake tunnel expands neck formation, described
Water feeding one-way valve is plugged on check valve installation position, and the connectivity part of plunger cavity and booster cavity is connected with water feeding one-way valve tabletting, into
The outer end apical grafting of water one-way valve is provided with connection plunger cavity and booster cavity in water feeding one-way valve tabletting in water feeding one-way valve tabletting
Water hole.
2. a kind of stable supercharging according to claim 1 interlocks the jetting machine shut down, it is characterised in that：It is described into
Concrete structure of the outer end apical grafting of water one-way valve in water feeding one-way valve tabletting be：The valve seat external cylindrical surface clamping of water feeding one-way valve
On check valve installation position, spool apical grafting is connected with spring base, spool and spring base on valve seat on the stent that is connected on valve seat
Between apical grafting have spring, the outer end face apical grafting of spring base is in water feeding one-way valve tabletting.
3. a kind of stable supercharging according to claim 2 interlocks the jetting machine shut down, it is characterised in that：It is described into
The inner of water one-way valve tabletting and the outer end face apical grafting of the water seal stent apical grafting in plunger cavity, outer end and spring base.
4. a kind of stable supercharging according to claim 2 interlocks the jetting machine shut down, it is characterised in that：The valve
Sealing ring is provided between seat external cylindrical surface and check valve installation position.
5. a kind of stable supercharging according to claim 1 interlocks the jetting machine shut down, it is characterised in that：It is described into
Water one-way valve tabletting includes disk and the bulge loop being molded on the periphery of the disk back side, and limbers, disk are evenly equipped with the middle part of disk
Outer and bulge loop on be arranged at intervals fluted, front and the outer end apical grafting of water feeding one-way valve of disk.
6. a kind of stable supercharging according to claim 1 interlocks the jetting machine shut down, it is characterised in that：The increasing
The intake tunnel that sets has three in pressure chamber one side wall, the exhalant canal that sets on another side wall has three, each intake tunnel
On be provided with a water feeding one-way valve, being provided with one on each exhalant canal goes out water one-way valve.
7. a kind of stable supercharging according to claim 6 interlocks the jetting machine shut down, it is characterised in that：Described in three
Intake tunnel arrangement triangular in shape in the one side wall of booster cavity, corresponding three water feeding one-way valves also arrangement triangular in shape.
8. a kind of stable supercharging according to claim 1-7 any one interlocks the jetting machine shut down, its feature exists
In：Related rifle linked switch is set, including the microswitch and mandril chamber set on jetting machine housing, mandril intracavitary are set
One end of mandril stretch out mandril chamber and microswitch apical grafting, expanding sealed with mandril cavity wall of the other end of mandril is slidably connected
And by mandril chamber be divided into the pressure storing cavity of inner side, outside pressure-sensitive chamber, pressure-sensitive intracavitary apical grafting has push rod spring, pressure storing cavity and pressure-sensitive
Break-make is controlled by pressure switch between chamber, pressure-sensitive chamber is connected with the booster cavity.
9. a kind of stable supercharging according to claim 8 interlocks the jetting machine shut down, it is characterised in that：The pressure
Power switch includes the valve chamber connected with pressure-sensitive chamber, and the lower end for the valve that valve intracavitary is set is connected with valve chamber, valve chamber
Side wall is connected with pressure storing cavity, the upper end apical grafting thoughts pressing spring of valve intracavitary valve；When jetting machine does not work, pressure-sensitive chamber
It is zero with the pressure in pressure storing cavity, mandril is ejected and is pressed into microswitch bar by push rod spring, and microswitch becomes normal by normally opened
Close, motor energy normal starting；Valve is promoted to overcome the pressure of pressure-sensitive spring after jetting machine works and reaches setting pressure
Move up and make that pressure storing cavity passes sequentially through passage, valve chamber is connected with pressure-sensitive chamber, microswitch is kept under the action of push rod spring
Normally closed, motor can work normally, and hydraulic giant can normal water outlet；When the normal water outlet of hydraulic giant and after turn off hydraulic giant, pressure-sensitive chamber is let out
Pressure, valve moves down under the action of pressure-sensitive spring makes pressure storing cavity no longer be connected with pressure-sensitive chamber, under moment water hammering, pressure storing cavity
Pressure is more than the sum of pressure of pressure-sensitive chamber and push rod spring, promotes mandril to move to right toward rollback, microswitch and becomes normally opened freedom again
State, down circuitry, machine are stopped.
10. a kind of stable supercharging according to claim 9 interlocks the jetting machine shut down, it is characterised in that：Described
The pressure of pressure-sensitive spring is adjusted by regulator bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721326750.3U CN207245986U (en) | 2017-10-16 | 2017-10-16 | A kind of stable supercharging interlocks the jetting machine shut down |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721326750.3U CN207245986U (en) | 2017-10-16 | 2017-10-16 | A kind of stable supercharging interlocks the jetting machine shut down |
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| CN207245986U true CN207245986U (en) | 2018-04-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107588000A (en) * | 2017-10-16 | 2018-01-16 | 绿田机械股份有限公司 | A kind of stable supercharging interlocks the jetting machine shut down |
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2017
- 2017-10-16 CN CN201721326750.3U patent/CN207245986U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107588000A (en) * | 2017-10-16 | 2018-01-16 | 绿田机械股份有限公司 | A kind of stable supercharging interlocks the jetting machine shut down |
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