CN208743160U - Jetting machine - Google Patents
Jetting machine Download PDFInfo
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- CN208743160U CN208743160U CN201821078670.5U CN201821078670U CN208743160U CN 208743160 U CN208743160 U CN 208743160U CN 201821078670 U CN201821078670 U CN 201821078670U CN 208743160 U CN208743160 U CN 208743160U
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Abstract
A kind of jetting machine includes shell and inlet valve sealing system, and valve seat offers valve chamber and inlet opening and apopore；Spool is slideably positioned in valve chamber along the injection direction of water outlet；And seal assembly includes at least one first sealing ring and at least one second sealing ring；First sealing ring is sheathed on outside driving end and radially presses between valve seat and spool, and the second sealing ring is sheathed on outside sealed end and is sealed between inlet opening and apopore in sealing station and radially presses between valve seat and spool.In the utility model jetting machine, first sealing ring and the second sealing ring radially press between valve seat and spool, that is the first sealing ring and the second sealing ring are limited on the direction of high pressure water active force, it avoids the first sealing ring from slipping under the impact of high hydraulic pressure with the second sealing ring, improves the service life section security performance of jetting machine.
Description
Technical field
The utility model relates to high pressure cleaning field, in particular to a kind of jetting machine.
Background technique
Jetting machine is a kind of machine that body surface is rinsed by power device driving plunger pump generation high pressure water,
Dirt can be removed and be washed away by it, to achieve the purpose that cleaning object surface.Relative to traditional Manual-cleaning mode, high pressure is clear
Washing machine reduces water consumption, has saved the plenty of time, and has preferable cleaning effect.
Sealing ring is using in inlet valve sealing system in conventional high-tension cleaning machine for blocking and opening cleaning water route
In the process, it is easy the problems such as slipping in the case where high pressure water strong impact power acts on, cause jetting machine leak.
Utility model content
Based on this, it is necessary to provide a kind of higher jetting machine of sealing performance.
A kind of jetting machine, comprising:
Shell including main body and is set to the water outlet of described main body one end；And
Inlet valve sealing system is set in the main body and includes:
Valve seat is set in the main body and offers valve chamber and the inlet opening that can be connected to the valve chamber and water outlet
Hole；
Spool is slideably positioned in the valve chamber and in the sealing station and the unlatching apopore that block the apopore
Conduction position between it is reciprocal；And
Seal assembly is sheathed on outside the spool and including at least one first sealing ring and at least one second sealing
Circle；
Wherein, the spool includes driving end, sealed end and valve end, the valve end be connected to the driving end with
It is connected to the inlet opening between the sealed end and when the sealing station and is connected to the water inlet in the conduction position
Hole and the apopore；First sealing ring is sheathed on outside the driving end and radially presses on the valve seat and the spool
Between, second sealing ring be sheathed on the sealed end it is outer and the sealing station be sealed in the inlet opening and it is described go out
Between water hole and radially press between the valve seat and the spool.
The spool is slideably positioned in the valve chamber along the injection direction of the water outlet in one of the embodiments,
Interior, the driving end is set to the two sides of the inlet opening with the sealed end along the spool glide direction.
The inlet valve sealing system includes elastic component in one of the embodiments, and the elastic component is sheathed on described
Driving end is outer and is compressively connected between the valve seat and the spool always, and first sealing ring is located at the water inlet
Between hole and the elastic component.
The valve seat includes glissile segment, the water exit end opposite with the glissile segment and company in one of the embodiments,
The inlet segment being connected between the glissile segment and the water exit end, the glissile segment, the inlet segment and the water exit end edge
The glide direction of the spool is straight-through to form the valve chamber；The apopore is opened in the water inlet along the spool glide direction
Between section and the water exit end, the inlet opening is set to the inlet segment.
The first seal groove is offered on the driving end in one of the embodiments, first sealing ring is embedded at
It presses in first seal groove and radially between the inlet segment and the driving end；Is offered on the sealed end
Two seal grooves, second sealing ring are embedded in second seal groove and radially press in the sealing station described
Between inlet segment and the sealed end.
The water exit end includes and the contact inclined-plane of inlet segment connection, the contact in one of the embodiments,
Inclined-plane is tilted to the apopore central axial direction is deviateed；The sealed end is including sealing wide section and being set to the sealing width
Narrow section of sealing between section and the inlet segment, the wide section of the sealing is contained in the water exit end simultaneously in the sealing station
With contact inclined-plane palette, narrow section of the sealing is contained in the inlet segment in the sealing station, and described the
Two seal grooves are opened in narrow section of the sealing, and second sealing ring is embedded in second seal groove and in the sealing position
It sets and radially presses between the inlet segment and narrow section of the sealing.
The jetting machine includes water supply connector in one of the embodiments, the water supply connector by it is described into
Water hole is connected to the inlet segment；The central axial direction of the water supply connector and the central axial direction of the water outlet are hung down
Directly.
The jetting machine includes trigger mechanism in one of the embodiments, and the trigger mechanism includes that starting is pulled
Machine and transmission component, the transmission component transmission are set between the starting trigger and the driving end for driving the valve
Core is reciprocal between the sealing station and the conduction position.
The starting trigger is rotationally arranged on the shell around the first rotating fulcrum in one of the embodiments,
And the start end including being located at first rotating fulcrum two sides and operating side, the transmission component include rotating member and sliding
Part, the rotating member are rotatably arranged around the second rotating fulcrum and including being located at first turn of second rotating fulcrum two sides
Swing arm and the second cursor；First cursor and start end transmission cooperate, second cursor and the sliding
Part transmission cooperation, the sliding part are slidably disposed in second cursor and the biography along the glide direction of the spool
Between moved end and the spool is pushed to slide into the conduction position by the sealing station.
The trigger mechanism includes secure latch and opens positioned at the secure latch with described in one of the embodiments,
Supporting piece between trigger action, the supporting piece are connected with the secure latch, and are only capable of the drive in the secure latch
It in the home being barred from the starting trigger rotation path and is kept away outside the starting trigger rotation path under dynamic
Starting moves between position, and the starting trigger is when the supporting piece is located at the starting position for controlling water route and circuit
On-off.
In the utility model jetting machine, the first sealing ring and the second sealing ring radially press on valve seat and spool it
Between, i.e. the first sealing ring and the second sealing ring are limited on the direction of high pressure water active force, avoid the first sealing ring and second
Sealing ring slips under the impact of high hydraulic pressure, improves the service life section security performance of jetting machine.
Detailed description of the invention
Fig. 1 is structural schematic diagram when the utility model jetting machine is in the first use state；
Fig. 2 is the structural schematic diagram of jetting machine inlet valve sealing system in the first use state shown in Fig. 1；
Fig. 3 is the structural schematic diagram of inlet valve sealing system in the first embodiment in jetting machine shown in Fig. 1；
Fig. 4 is structural schematic diagram when the utility model jetting machine is in the second use state；
Fig. 5 is the structural schematic diagram of jetting machine inlet valve sealing system in the second use state shown in Fig. 4.
Specific embodiment
The utility model is more fully retouched below with reference to relevant drawings for the ease of understanding the utility model,
It states.The preferred embodiment of the utility model is given in attached drawing.But the utility model can come in many different forms in fact
It is existing, however it is not limited to embodiment described herein.On the contrary, purpose of providing these embodiments is makes public affairs to the utility model
The understanding for opening content is more thorough and comprehensive.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term " and or " used herein includes
Any and all combinations of one or more related listed items.
Please refer to Fig. 1, in the utility model preferred embodiment, jetting machine 100 includes shell 10, (figure is not for water pump
Show), motor (not shown), the inlet valve sealing system 30 with waterway channel and trigger mechanism 50.Wherein, shell 10 includes
Main body 11, the handle 13 for being set to 11 one end of main body and it is set to water outlet 15 of the main body 11 far from 13 one end of handle.Water pump, electricity
Machine and inlet valve sealing system 30 are all set in main body 11, and trigger mechanism 50 is set on handle 13 and is partially housed in master
In body 11.In normal use, the water in inlet valve sealing system 30 is connected with trigger circuit in user's operation trigger mechanism 50
Road, external high pressure water can water route be ejected by water outlet 15 in inlet valve sealing system 30 under the action of water pump is with motor
Come, realizes cleaning function.
In this embodiment, jetting machine 100 is in substantially gun-type, and in normal use, water outlet 15 is along water
Square to be extended so that high pressure water ejects in the horizontal direction.And carrying out the height higher or lower than horizontal plane
When degree is cleaned, user can be adjusted according to practical cleaning height.
Fig. 2 is please referred to, inlet valve sealing system 30 includes valve seat 31, spool 33 and seal assembly 35.Valve seat 31 is fixed
It is assemblied in main body 11, for providing installation foundation for spool 33 and being that jetting machine 100 provides connection external water source and goes out
Water route between the mouth of a river 15.Spool 33 is movably set in valve seat 31, for controlling water route in entire inlet valve sealing system 30
On-off.Seal assembly 35 is sealed between valve seat 31 and spool 33, for improving the sealing of inlet valve sealing system 30
Performance.
Incorporated by reference to referring to Fig. 2 and Fig. 3, valve seat 31 offer valve chamber 310 and the inlet opening being connected to valve chamber 310 311 and
Apopore 312, spool 33 are slideably positioned in valve chamber 310 and in the sealing station and unlatching apopore 312 that block apopore 312
Conduction position between it is reciprocal, to realize that the on-off to water route in water inlet sealing system 30 controls.Specifically, valve seat 31 includes sliding
Dynamic section 313 and glissile segment 313 opposite water exit end 314 and the inlet segment that is connected between glissile segment 313 and water exit end 314
315.Spool 33 is slideably positioned in valve chamber 310 along the injection direction of water outlet 15, and including driving end 330, sealed end 332 with
And valve end 334.
Glissile segment 313, inlet segment 315 and water exit end 314 lead directly to along the glide direction of spool 33 and form valve chamber 310, out
Water hole 312 is opened between inlet segment 315 and water exit end 314 along the glide direction of spool 33, and inlet opening 311 is set to inlet segment
315, for guiding external high pressure water to enter inlet segment 315.Driving end 330 and sealed end 332 are arranged along 33 glide direction of spool
In the two sides of inlet opening 311, and driving end 330 is extending at least partially into glissile segment 313 to cooperate with 50 actuation of trigger mechanism,
And sealed end 332 is separably sealed in apopore 312, to follow the sliding of spool 33 to block or open apopore
312.Valve end 334 is connected between driving end 330 and sealed end 332 and is connected to inlet opening 311 when sealing station and is leading
Connection inlet opening 311 and apopore 312 when logical position.
Wherein, the internal diameter of glissile segment 313 is greater than the internal diameter of inlet segment 315, thus make glissile segment 313 and inlet segment 315 it
Between formed step surface 3130.The internal diameter of water exit end 314 is greater than the internal diameter of inlet segment 315, for making water enter by inlet segment 315
When in water section 314, certain buffer function is played, the moment for avoiding water route from being connected, water is hurriedly sprayed by water exit end 314.Meanwhile it passing
The outer diameter of moved end 330 is matched with the internal diameter of inlet segment 315, to avoid water by the gap between driving end 330 and inlet segment 315 into
Enter in glissile segment 313, other components in jetting machine 100 is caused to be damaged.Sealed end 332 connect one end with valve end 334
Outer diameter matched with the aperture of apopore 312, be plugged in apopore 312 convenient for sealed end 332 in sealing station, and close
The outer diameter for blocking 332 other ends far from valve end 334 is greater than the aperture of apopore 312, seal the corresponding end of sealed end 332 can
It blocks up in outside apopore 312, limits the sliding stroke of spool 33, prevent spool 33 from slipping.The outer diameter of valve end 334 is less than inlet segment
315 and be less than apopore 312 aperture, with when spool 33 slides into conduction position, water flow can be by valve end 334 and inlet segment
Space outflow between 315 and apopore 312.
In this embodiment, valve seat 31 is the tubulose of both ends perforation, glissile segment 313, inlet segment 315 and water outlet
Section 314 is successively arranged along spool 33 by the direction that sealing station slides into conduction position, and valve chamber 310 is to slide along spool 33
Direction is set to the straight-through chamber in valve seat 31.
Seal assembly 35 is sheathed on outside spool 33 and including the first sealing ring 350 and the second sealing ring 352.Wherein, first
Sealing ring 350 is sheathed on outside driving end 330 and radially presses between valve seat 31 and spool 33, and the second sealing ring 352 is sheathed on
Sealed end 332 is outer and is sealed between inlet opening 311 and apopore 312 in sealing station and radially presses on valve seat 31 and valve
Between core 33.In this embodiment, the first sealing ring 350 and the second sealing ring 352 are O-ring seal.
The first seal groove 3301 is offered on driving end 330 in one of the embodiments, the first sealing ring 350 is embedded
In in the first seal groove 3301 and radially pressing between inlet segment 315 and driving end 330.Is offered on sealed end 332
Two seal grooves 3321, the second sealing ring 352 are embedded in the second seal groove 3321 and radially press in sealing station into water
Between section 315 and sealed end 332.That is, in this embodiment, the second sealing ring 352 is embedded sealed end 332 and protrudes into water
One end of section 315, the inner wall of inlet segment 315 squeeze the second sealing ring 352 radially to seal inlet segment 315 and sealed end 332
Between gap, avoid water from being flowed out by inlet segment 315 through apopore 312, sealed end 332 is another far from the second sealing ring 352
End is plugged in apopore 312.
Specifically, water exit end 314 includes the contact inclined-plane 3141 connected with inlet segment 315, contacts inclined-plane 3141 to deviation
The inclination of 312 central axial direction of apopore, the i.e. section on contact inclined-plane 3141 are bell-mouthed toed-out type.Sealed end 332 wraps
Narrow section 3323 of sealing for including wide section 3321 of sealing and being set to sealing wide section 3321 between inlet segment 315, seals wide section 3321
Be contained in sealing station in water exit end 314 and with contact 3141 palette of inclined-plane, seal narrow section 3323 in sealing station
When be contained in inlet segment 315.Second seal groove 3321 is opened in narrow section 3323 of sealing, and the second sealing ring 352 is embedded at second
It is radially pressed between inlet segment 315 and narrow section 3323 of sealing in seal groove 3321 and in sealing station.That is, water inlet
Section 315 with sealing narrow section 3323 in a manner of face and face contact the second sealing ring of radial compression 352 with seal sealed end 332 with go out
Gap between water hole 312 avoids water from being flowed out by inlet segment 315 through apopore 312.
Fig. 3 is please referred to, further, jetting machine 100 includes water supply connector 70, and water supply connector 70 passes through inlet opening
311 are connected to inlet segment 315.And the central axial direction of water supply connector 70 is vertical with the central axial direction of water outlet 15.
In this embodiment, when 100 normal use of jetting machine, 15 horizontal direction of water outlet is extended (i.e.
Injection direction), accordingly water supply connector 70 is vertically arranged.That is, spool 33 is horizontally placed in the horizontal direction in main body 11, and
And it can be slided in the horizontal direction under the driving of trigger mechanism 50.After external high pressure water enters inlet segment 315 along the vertical direction,
And the pressure that the water entered in inlet segment 315 is applied in the horizontal direction on spool 33 keeps balancing in the horizontal direction, and
First sealing ring 350 and the second sealing ring 352 are arranged in the horizontal direction and bear certain extruding force radially.In this way, into one
Step avoids the first sealing ring 350 from slipping under the action of high pressure water impact power with the second sealing ring 352.
Fig. 3 is please referred to, further, inlet valve sealing system 30 includes elastic component 37, and elastic component 37 is sheathed on driving end
330 are compressively connected between valve seat 31 and spool 33 outside and always, and the first sealing ring 350 is located at inlet opening 311 and elasticity
Between part 37.In this embodiment, elastic component 37 presses between step surface 3130 and the driving end 330 of spool 33 and begins
Compressive state is kept eventually.I.e. when spool 33 is in sealing station, elastic component 37 provides for spool 33 and is maintained at sealing station
Pretightning force improves the sealing performance of inlet valve sealing system 30；When spool 33 is on position, elastic component 37 further by
Compression, to provide the restoring force for being reset to sealing station by conduction position for spool 33.
Continuing with reference to Fig. 2, trigger mechanism 50 includes starting trigger 51 and transmission component 53, and the transmission of transmission component 53 is set
It is placed between starting trigger 51 and driving end 330, for driving spool 33 reciprocal between sealing station and conduction position.Its
In, start trigger 51 around the first rotating fulcrum O1It is rotationally arranged on shell 10, and including being located at the first rotating fulcrum O1Two
The start end 510 of side and operating side 512.Transmission component 53 includes rotating member 530 and sliding part 532.Rotating member 530 is around second turn
Activity supporting point O2It is rotationally arranged on shell 10, and including being located at the second rotating fulcrum O25301 He of the first cursor of two sides
Second cursor 5302.That is, starting trigger 51 and rotating member 530 form leverage around respective fulcrum.Sliding part
532 are slidably disposed between the second cursor 5302 and driving end 330 along the glide direction of spool 33 and push spool 33
Conduction position is slid by sealing station.
Specifically, the first cursor 5301 cooperates with the transmission of start end 510, and the second cursor 5302 is passed with sliding part 532
Dynamic cooperation, so that rotating member 530 passes through the first cursor 5301 being rotated by the second cursor 5302 in start end 510
Sliding part 532 is pushed, with the sliding of control valve core 33.
In this embodiment, starting trigger 51 is around the first rotating fulcrum O1It is rotatably fitted on handle 13, and
Start end 510 is kept to be contained in handle 13, operating side 512 exposes to outside handle 13, so that user pulls.
Further, trigger mechanism 50 is including secure latch 55 and between secure latch 55 and starting trigger 51
Supporting piece 57.Secure latch 55 at least partly exposes to outside handle 13, for user's operation.Supporting piece 57 is set in handle 13
And be connected with secure latch 55, and be only capable of under the driving of secure latch 55 in be barred from starting 51 rotation path of trigger on
Home and keep away be located at starting 51 rotation path of trigger outside starting position between move so that starting trigger 51 supporting
For controlling trigger circuit and the water route in inlet valve sealing system 30 being connected when part 57 is located at starting position.
Specifically, secure latch 55 includes button portion 550 interconnected, Actuator Division 552 and middle part 553.Handle
The position of 13 corresponding secure latch 55 offers sliding slot (not shown), and the extending direction of button portion 550 along the chute is slideably received
It is dissolved in sliding slot, and at least partly exposes to sliding slot, for user's operation.Middle part 553 is connected to button portion 550 and Actuator Division
Between 552 and slideably it is arranged in sliding slot.Actuator Division 552 is located in handle 13 and cooperates with supporting piece 57, for pressing
Key portion 550 drives supporting piece 57 to move between home and starting position.
The opposite handle 13 under the linkage effect of secure latch 55 of supporting piece 57 in home (as shown in Figure 2) and starts
It is slided between position (as shown in Figure 5).Accordingly, button portion 550 exposes to sliding slot, and is formed on outer surface for increasing behaviour
Make the friction texture of frictional force, executes slide so that user exerts a force.Middle part 55 is arranged in sliding slot and works as external force
When button portion 550, extending direction reciprocatingly slides guidance button portion 550 along the chute.Actuator Division 53 connect with middle part 55 one
It holds size to be greater than the size of sliding slot, prevents secure latch 55 by deviating from sliding slot.Meanwhile Actuator Division 53 is far from the another of middle part 55
One end offers fitting groove 5321 of the opening towards supporting piece 57 along vertical 57 glide direction of supporting piece.
Supporting piece 57 include linkage end 570 and with the keyed end 572 that connect of linkage end 570, end 570 of linking is along vertically supporting
57 direction of gripping member is inserted in fitting groove 5321, with secure latch 55 and the supporting piece 57 of being connected.Keyed end 572 is set to
The linkage one end of end 570 far from connecting pin 532, and when supporting piece 57 slides into home with secure latch 55, keyed end
572 are barred from the rotation path of starting trigger 51, to limit the movement of starting trigger 51；When supporting piece 57 is with secure latch 55
When sliding into starting position, outside the rotation path of keyed end 572 and the starting dislocation of trigger 51 to avoid starting trigger 51, with limitation
Start the movement of trigger 51.
Further, the surface that keyed end 572 and starting trigger 51 interact is horizontal plane, and starts trigger 51 and supporting
Gripping member 57 acts on the reaction force of keyed end 572 direction when being located at home is vertical with the glide direction of keyed end 572.
In this way, when supporting piece 57 is located at home, even if starting trigger 51 is because external force accidentally touches and reacts on keyed end 572
When, supporting piece 57 has certain buffer function, keeps away as being connected to secure latch 55 and starting the intermediary element between trigger 51
Exempt from starting trigger 51 directly to react on secure latch 55 and secure latch 55 is caused to slide onto starting certainly by home automatically
Position.Meanwhile by the way that supporting piece 57 is arranged, be conducive to the intensity for improving secure latch 55, the safety for improving secure latch 55 can
By property.
Further, it is formed on the inner wall of handle 13 and (is schemed not along the guide groove that 57 glide direction of supporting piece extends
Show), keyed end 572 is only capable of slideably being limited in guide groove between starting position and home.Wherein, guide groove can
It is defined and is formed by the fin protruded from 13 inner wall of handle, also can be the slot being directly opened on 13 inner wall of handle, herein
It is not construed as limiting.
In this embodiment, the glide direction of 57 opposite handle 13 of supporting piece is horizontal direction, and works as supporting piece 57
Keyed end 572 mutually abuts in the vertical direction with starting trigger 51 when positioned at home, and 55 opposite handle of secure latch
There is certain angle between the glide direction of 13 57 opposite handle 13 of glide direction and supporting piece.That is, supporting piece 57
Glide direction, supporting piece 57 and starting trigger 51 between withstanding effect power direction and secure latch 55 glide direction
Right triangular shape is formed, when so that starting trigger 51 reacting on supporting piece 57 under external force, since three kinds of directions are equal
Not identical, supporting piece 57 can not slide automatically under the action of starting 51 reaction force of trigger, and it is even more impossible to drive secure latch 55
It is slided automatically along the direction that driving supporting piece 57 slides, guarantees the reliability of jetting machine 100.
Meanwhile in order to further increase the security reliability of jetting machine 100, button portion 550 can be under external force
Along the direction of vertical sliding slot be pressed after can carry out slide.It is to be appreciated that in some other embodiment, safety lock
Button 55 can omit operation portion and middle part, and Actuator Division is only arranged, and the driving of Actuator Division is carried out by external auxiliary tool,
It is not limited thereto.
In addition, in this embodiment, sliding slot has bottom wall, and button portion 550 is exposed and is contained in sliding slot, to guarantee
The whole beauty of handle 13.Extending direction slidably extends through the bottom wall of sliding slot to middle part 553 along the chute, guarantees button portion 550
The directionality and stability of sliding.It is to be appreciated that sliding slot also can be directly to be disposed through hand in some other embodiment
Through slot on handle 13, button portion 550 are supported on 13 outer surface of handle and cover sliding slot, the extending direction along the chute of middle part 553
It also can slideably be arranged in sliding slot, be not limited thereto.
Further, starting trigger 51 includes the prominent boss 514 being formed on operating side 512, and supporting piece 57 is in safety
It is slided between the home and the starting position isolated with boss 514 abutted with boss 514 under the linkage effect of lock 55；
And supporting piece 57 is plane with the surface that boss 514 mutually abuts, thus when starting trigger 51 being made to react on supporting piece 57,
Supporting piece 57 is avoided to slide under the action of reaction force.
Please together referring to Fig. 1 and Fig. 2, in normal operating condition, supporting piece 57 is located at safety in jetting machine 100
Position, and be barred from the rotation path of starting trigger 51, that is, it prevents from starting the rotation of trigger 51 and trigger circuit and inlet valve are close
Water route in envelope system 50.Meanwhile in rotating member 530 first cursor 5301 separated with start end 510 and without interaction,
And second cursor 5301 with sliding part 532, sliding part 532 and driving end 330 in spool 33 is to separate shape in rotating member 530
State and without interaction.At this point, spool 33 is located at sealing station, sealed end 332 is plugged in apopore 312, disconnects water route.
Fig. 4 and Fig. 5 are please referred to, user slides secure latch 55, and secure latch 55 drives supporting piece 57 to be moved by home
It moves to starting position and avoids in outside the rotation path of starting trigger 51；Pull at this time starting trigger 51 so that operating side 512 around
First rotating fulcrum O1It is rotated up, and start end 510 is around the first rotating fulcrum O1It rotates down and compresses the first cursor
5301, the first cursor 5301 is compressed under power effect downwards around the second rotating fulcrum O2It rotates down, the second cursor 5302
Around the second rotating fulcrum O2It is rotated up and pushes sliding part 532, sliding part 532 slides to the direction close to spool 33 and works as gram
Spool 33 is pushed to move forward when taking the precompression of elastic component 37, elastic component 37 continues to compress and store energy, when sealed end 332
When removal apopore 312 is outer and valve end 334 is moved into apopore 312, inlet opening 311 is connected to apopore 312, and water route is led
Passing to external water can be ejected through apopore 312 by water outlet 15, realize cleaning function.When secure latch 55 drives supporting piece
57 by start position be moved to home when, sliding part 532 retreat simultaneously is separated with driving end 530, spool 33 is in elastic component 37
Under the action of be reset to sealing state, water route disconnects.
In the jetting machine 100 of the utility model, the glide direction of spool 33, the injection direction of water outlet 15 and close
The setting direction three of sealing assembly 35 is consistent, when high pressure water enters in valve chamber 310 and directly sprays through apopore 312,
Apopore 312, which is equivalent in the setting direction of seal assembly 35, carries out pressure release to valve chamber 310, reduces pressure pair in valve chamber 310
The impact of first sealing ring 350 and the second sealing ring 352；Meanwhile first sealing ring 350 and the second sealing ring 352 radially support
It is pressed between valve seat 31 and spool 33, i.e. the first sealing ring 350 and the second sealing ring 352 quilt on the direction of high pressure water impact power
Limit, avoids the first sealing ring 350 from slipping under the impact of high hydraulic pressure with the second sealing ring 352.Meanwhile it is high in valve chamber 310
The pressure that pressure water acts on spool 33 mutually balances in 33 glide direction of spool, keeps the sliding of spool 33 more labor-saving, it is only necessary to
Overcome the precompression of elastic component 37.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the common of this field
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In the protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (10)
1. a kind of jetting machine characterized by comprising
Shell including main body and is set to the water outlet of described main body one end；And
Inlet valve sealing system is set in the main body and includes:
Valve seat is set in the main body and offers valve chamber and the inlet opening that can be connected to the valve chamber and apopore；
Spool is slideably positioned in the valve chamber and in blocking the sealing station of the apopore and leading for the unlatching apopore
It is reciprocal between logical position；And
Seal assembly is sheathed on outside the spool and including at least one first sealing ring and at least one second sealing ring；
Wherein, the spool includes driving end, sealed end and valve end, the valve end be connected to the driving end with it is described
The inlet opening is connected between sealed end and when the sealing station and be connected in the conduction position inlet opening with
The apopore；First sealing ring be sheathed on the driving end it is outer and radially press on the valve seat and the spool it
Between, second sealing ring is sheathed on outside the sealed end and is sealed in the inlet opening and the water outlet in the sealing station
Between hole and radially press between the valve seat and the spool.
2. jetting machine as described in claim 1, it is characterised in that: the spool is sliding along the injection direction of the water outlet
Dynamic to be set in the valve chamber, the driving end is set to the inlet opening along the spool glide direction with the sealed end
Two sides.
3. jetting machine as claimed in claim 2, it is characterised in that: the inlet valve sealing system includes elastic component, institute
Elastic component is stated to be sheathed on outside the driving end and be compressively connected between the valve seat and the spool always, described first
Sealing ring is between the inlet opening and the elastic component.
4. jetting machine as described in claim 1, it is characterised in that: the valve seat includes glissile segment and the glissile segment
Opposite water exit end and the inlet segment being connected between the glissile segment and the water exit end, the glissile segment, the water inlet
Section and the water exit end are led directly to along the glide direction of the spool forms the valve chamber；The apopore is slided along the spool
Direction is opened between the inlet segment and the water exit end, and the inlet opening is set to the inlet segment.
5. jetting machine as claimed in claim 4, it is characterised in that: the driving end radially offers the first sealing
Slot, first sealing ring be embedded in first seal groove and radially press on the inlet segment and the driving end it
Between；The sealed end radially offers the second seal groove, second sealing ring be embedded in second seal groove and
The sealing station radially presses between the inlet segment and the sealed end.
6. jetting machine as claimed in claim 5, it is characterised in that: the water exit end includes connecting with the inlet segment
Inclined-plane is contacted, the contact inclined-plane is tilted to the apopore central axial direction is deviateed；The sealed end includes sealing wide section
And it is set to narrow section of sealing sealed between wide section and the inlet segment, the wide section of the sealing is received in the sealing station
Be dissolved in the water exit end and with contact inclined-plane palette, it is described to seal narrow section and be contained in institute in the sealing station
It states in inlet segment, second seal groove is opened in narrow section of the sealing, and second sealing ring is embedded at second sealing
It is radially pressed between the inlet segment and narrow section of the sealing in slot and in the sealing station.
7. jetting machine as claimed in claim 4, it is characterised in that: the jetting machine includes water supply connector, described
Water supply connector is connected to by the inlet opening with the inlet segment；The central axial direction of the water supply connector and the water outlet
Central axial direction it is vertical.
8. jetting machine as described in claim 1, it is characterised in that: the jetting machine includes trigger mechanism, described
Trigger mechanism includes starting trigger and transmission component, and the transmission component transmission is set to the starting trigger and the driving end
Between for driving the spool reciprocal between the sealing station and the conduction position.
9. jetting machine as claimed in claim 8, it is characterised in that: the starting trigger is rotatable around the first rotating fulcrum
Ground is set on the shell and the start end including being located at first rotating fulcrum two sides and operating side, the transmission component
Including rotating member and sliding part, the rotating member is rotatably arranged around the second rotating fulcrum and including being located at second rotation
The first cursor and the second cursor of fulcrum two sides；First cursor and start end transmission cooperate, and described second
Cursor and sliding part transmission cooperate, and the sliding part is slidably disposed in described the along the glide direction of the spool
Between two cursors and the driving end and the spool is pushed to slide into the conduction position by the sealing station.
10. jetting machine as claimed in claim 9, it is characterised in that: the trigger mechanism includes secure latch and is located at
Supporting piece between the secure latch and the starting trigger, the supporting piece are connected with the secure latch, and only
It in the home being barred from the starting trigger rotation path and can be kept away positioned at described under the driving of the secure latch
It is moved between starting position outside starting trigger rotation path, the starting trigger is located at the starting position in the supporting piece
When for controlling the on-off in water route and circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821078670.5U CN208743160U (en) | 2018-07-09 | 2018-07-09 | Jetting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821078670.5U CN208743160U (en) | 2018-07-09 | 2018-07-09 | Jetting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208743160U true CN208743160U (en) | 2019-04-16 |
Family
ID=66056946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821078670.5U Active CN208743160U (en) | 2018-07-09 | 2018-07-09 | Jetting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208743160U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110280518A (en) * | 2019-05-31 | 2019-09-27 | 江苏苏美达五金工具有限公司 | A kind of hand-hold washer |
-
2018
- 2018-07-09 CN CN201821078670.5U patent/CN208743160U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110280518A (en) * | 2019-05-31 | 2019-09-27 | 江苏苏美达五金工具有限公司 | A kind of hand-hold washer |
| CN110280518B (en) * | 2019-05-31 | 2020-07-31 | 江苏苏美达五金工具有限公司 | Hand-held type cleaning machine |
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