CN109764154A - Air valve, cylinder and grease pump - Google Patents
Air valve, cylinder and grease pump Download PDFInfo
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- CN109764154A CN109764154A CN201910139653.0A CN201910139653A CN109764154A CN 109764154 A CN109764154 A CN 109764154A CN 201910139653 A CN201910139653 A CN 201910139653A CN 109764154 A CN109764154 A CN 109764154A
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- 239000004519 grease Substances 0.000 title claims abstract description 26
- 238000007789 sealing Methods 0.000 claims description 41
- 239000007787 solid Substances 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 235000014121 butter Nutrition 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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Abstract
The invention discloses air valve, cylinder and grease pumps, and it further includes release link that wherein air valve, which includes the left valve barrel being detachably connected as a whole, middle valve body and right valve barrel,；Valve pocket is fitted in the valve body；The valve pocket includes left valve pocket and right valve pocket；The air valve of the application can realize that piston moves back and forth by air valve pneumatic self control system, hand-reset may be implemented in spool, thoroughly solving spool commutation will appear Caton situation, and valve seat setting increases the air valve body service life, reduces maintenance cost and time, working efficiency and service life are higher.
Description
Technical field
The invention belongs to grease pump fields, and in particular to air valve, cylinder and grease pump.
Background technique
Currently, grease pump includes grease pump, it is primarily present following defect:
(1) when (including when booting) automatic pneumatic control reciprocating pneumatic valve instantaneous air pressure deficiency, spool commutation will appear card
Situation, spool cannot achieve hand-reset；
(2) traditional air valve maintenance is often integral replacing, and the air valve body service life is low, and the maintenance cost for replacing valve body is high；
(3) prior art has no the one-piece cylinder for being directly connected to air valve.
Referring to application No. is the Chinese invention patent of " 201120269269.1 ", it discloses " cylinder back and forth controls machine
Structure ", discloses a kind of reciprocating control mechanism of air cylinder, including cylinder mechanism and dibit Pneumatic valve, cylinder mechanism include cylinder body and
Piston, piston matches to merge with cylinder body forms the first gas chamber and the second gas chamber in cylinder body, successively sets along the longitudinal direction on cylinder body
There are the first port, the second port, third port and the 4th port, the first port and the second port are close to the first gas chamber, third gas
Mouth and the 4th port are close to the second gas chamber；Dibit Pneumatic valve be equipped with air inlet, exhaust outlet, the first control mouth, the second control mouth,
Third control mouth, the 4th control mouth, the first port, the second port, third port and the 4th port respectively with the first control mouth,
Two control mouths, third control mouth, the 4th control mouth communicate, the first control mouth, the second control mouth, third control mouth, the 4th control
Mouth is selectively communicated with air inlet, exhaust outlet.Structure of the invention is simple, high reliablity.
Reciprocating control mechanism of air cylinder is widely used in automation field in this application, and cardinal principle is to lead to
The flow direction of Pneumatic valve control high pressure gas is crossed, and then controls the movement of cylinder mechanism.The thing reciprocating control mechanism of air cylinder overcome due to
It designs unreasonable, causes existing reciprocating control mechanism of air cylinder basic device more, pipeline is complicated, and entire cylinder back and forth controls machine
The manufacturing cost of structure is high, the low problem of reliability.After structure of the present invention, pass through a cylinder mechanism and a dibit
The reciprocating motion control of cylinder can be realized in Pneumatic valve, and structure is simpler, and manufacturing cost is low, but also entire cylinder is past
The reliability of multiple control mechanism is improved.
Referring to application No. is the Chinese invention patent of " 201810415755.6 ", this application is related to a kind of pneumatic operated valve, especially
Be reciprocating pneumatic valve and using the valve cylinder and grease pump, reciprocating pneumatic valve, including main valve body, commutation plug, left valve barrel and
Right valve barrel, the left valve barrel and right valve barrel are separately fixed at the two sides of main valve body, and commutation plug is movably arranged on changing for main valve body
Into core bore.The structure of reciprocating pneumatic valve provided by the invention is simple, reliable for operation, processing cost is low, easy to use, and cylinder is real
Existing automatic reciprocating, simple and practical in structure, reversal valve and intake and exhaust channel are mutually separated with piston, and be not take up piston motion space,
Echo speed is fast, occupies that space is small, small in size, manufacturing cost is low, low energy consumption, long service life, cylinder seal and reciprocating pneumatic
Valve sealing effect is good, assembly and easy to maintain.Grease pump is simple and reliable for structure, realize oil suction and oiling simultaneously and be not easy to block,
Oil suction and oiling are not affected by temperature, are high-efficient.
But the problem of above application or the prior art and unresolved the application proposition.
Summary of the invention
The technical problems to be solved by the present invention are: providing air valve, cylinder and grease pump, reduces failure rate, improves use
Service life reduces maintenance cost.
In order to solve the above-mentioned technical problem, inventor obtains technical solution of the present invention by practice and summary, the present invention
Air valve, including spool are disclosed,
The air valve includes the left valve barrel being detachably connected as a whole, middle valve body and right valve barrel；
The left valve barrel close to middle valve body side include left plug holes, close to left plug holes include left shoulder hole, the left shoulder
The 4th connecting hole of perforation left valve barrel to bottom is equipped in hole；
It is furnished with left valve plug in the left plug holes, the left valve plug is axially moveable in left plug holes, the left valve plug
Spool is pushed to move right；
The right valve barrel close to middle valve body side include right plug holes, close to right plug holes include right shoulder hole, the right shoulder
The first connecting hole of perforation left valve barrel to bottom is equipped in hole；
It is furnished with right valve plug in the right plug holes, the right valve plug is axially moveable in right plug holes, the right valve plug
Spool is pushed to be moved to the left；
The reset rod aperture being through in right shoulder hole is equipped on the outside of the right valve barrel, the reset rod aperture is combined with release link,
Described release link one end is free end, the other end is reset terminal, and the reset terminal is in right plug holes and right shoulder hole along axial work
Dynamic, the release link pushes right valve plug to be moved to the left；
It include air inlet and left venthole and right venthole positioned at air inlet two sides on front side of the middle valve body；
The middle body base includes the second connecting hole and third connecting hole；
It is preferred:
Valve pocket is fitted in the middle valve body；
The valve pocket includes left valve pocket and right valve pocket；
The left valve pocket outer wall successively includes left outside sealing ring, left outside outer groove, left sealing ring, left outside bracket groove, left inside close
Seal, left outside inside groove,
The left valve sleeving inner wall is successively arranged left inside outer groove, left inside bracket groove, left inside inside groove, and the left inside outer groove is equipped with a left side
Outer vent and it is through to left outside outer groove, the left inside bracket groove is equipped with left venthole and is through to left outside bracket groove and and third
Connecting hole communicates, and the left inside inside groove is equipped with left inside blow vent and is through to left outside inside groove；
The right valve pocket outer wall successively include right exterior seal ring, right outer groove, sealing ring in the right side, right outer bracket groove, it is right in it is close
Seal, right outer inside groove,
The right valve sleeving inner wall be successively arranged outer groove in the right side, the right side in bracket groove, the right side in inside groove, it is described the right side in outer groove be equipped with the right side
Outer vent and it is through to outer groove outside the right side, bracket groove is equipped in the right side venthole and is through to outside the right side bracket groove and with second in the right side
Connecting hole communicates, and inside groove is equipped with blow vent in the right side and is through to inside groove outside the right side in the right side；
Spool is fitted in the valve pocket；
The spool successively includes the left outside sealing ring of spool, the left outside connectivity slot of spool, the left sealing ring of spool, valve along axial direction
The left inside connectivity slot of core, the left inside sealing ring of spool, the right inner seal ring of spool, spool the right side in connectivity slot, spool the right side in sealing ring, spool
Right outer connectivity slot, the right exterior seal ring of spool；
Air inlet and blow vent phase in inside groove/left inside blow vent/right side in the left outside outer inside groove in inside groove/right side/left inside inside groove/right side
It is logical；
Left venthole is communicated with left outside outer groove/left outside venthole；
Right venthole is communicated with right outer groove/right outer vent；
The left outside sealing ring of spool seals left valve pocket left end；
The left outside connectivity slot of spool, the left sealing ring of spool and the left inside left outside outer groove of connectivity slot on-off of spool and left outside bracket groove；
The left inside connectivity slot of spool and the left inside left outside bracket groove of sealing ring on-off of spool and left outside inside groove；
The right outer bracket groove of connectivity slot on-off and right outer inside groove in the right inner seal ring of spool and the spool right side；
Connectivity slot in the spool right side, the right outer groove of the right outer connectivity slot on-off of sealing ring and spool and the outer bracket groove in the right side in the spool right side；
The right exterior seal ring of spool seals right valve pocket right end；
When spool is located at right valve barrel side, air inlet is communicated with third connecting hole, the second connecting hole and right venthole phase
It is logical；When spool is located at left valve barrel side, air inlet is communicated with the second connecting hole, and third connecting hole is communicated with left venthole.
It is preferred:
Left connecting hole, middle connecting hole and right connecting hole are correspondingly provided on the left valve barrel, middle valve body and right valve barrel,
It further include connection bolt, the connection bolt adapts to left connecting hole and middle connecting hole, the connection bolt adaptation
In middle connecting hole and right connecting hole.
Disclosed herein as well is cylinder, including aforementioned air valve,
It further include valve seat, cylinder body, piston and limit housing；
The valve seat, cylinder body are integrated；
The valve seat and cylinder body coaxial direction are opened there are four through-hole, and four through-holes are respectively first through hole, the second through-hole, the
Three through-holes and fourth hole, four through-hole both ends are sealed by closure；
It is logical with first respectively that the valve seat upper surface offers the first exit orifice, the second exit orifice, third exit orifice and the 4th exit orifice
Hole, the second through-hole, third through-hole are connected to fourth hole；
The bottom surface of valve seat and cylinder offer the first inner hole, the second inner hole, third inner hole and the 4th inner hole and respectively with
First through hole, the second through-hole, third through-hole are connected to fourth hole；
First exit orifice, the 4th exit orifice, the second inner hole, third inner hole are on the outside of valve seat；Second exit orifice, third
Exit orifice, the first inner hole and the 4th inner hole are in the middle part of valve seat；
It is located at the first inner hole on cylinder body and the 4th inner hole center position offers pressure relief vent；
Cooperate at the top of the valve seat with air valve bottom: first exit orifice is connected to the 4th connecting hole, second exit orifice
It is connected to third connecting hole, the third exit orifice is connected to the second connecting hole, and the 4th exit orifice is connected to the first connecting hole；It should
Connectivity part is combined with sealing rubber ring everywhere, to prevent gas leakage；
Piston includes piston rod, left rubber ring and right rubber ring, when the piston is located at top, the 4th inner hole with have
Rod cavity connection；When the piston is located at bottom, the first inner hole is connected to rodless cavity；The pressure relief vent is located at left rubber ring and right rubber
Between cushion rubber effectively seals.
It is preferred:
Valve seat upper surface offers location hole, and the limit housing bottom surface is equipped with and corresponding location hole, the location hole
It is bolted with location hole；
The limit housing includes two side baffles and two end-stopping plates, is equipped with gap positioned at at least side of two side baffles, should
Air inlet, venthole and the right venthole of gap receiving air valve.
It is preferred:
Including four groups of seal washers, the seal washer is located at the top of valve seat and is suitable for cooperating with air valve bottom: four groups close
Seal washer respectively corresponds the first exit orifice and the 4th connecting hole, the second exit orifice and third connecting hole, third exit orifice and the second connecting hole,
4th exit orifice and the first connecting hole.
Preferred: the pressure relief vent is equipped with muffler.
Preferred: the valve seat is equipped with fifth hole, is lightweight hole.
Preferred: second inner hole, third inner hole are inclined hole.
Disclosed herein as well is grease pump, including aforementioned cylinder and grease pump, the grease pump is fixed on cylinder, butter
The plunger rod of pump and the piston of cylinder connect.
Compared with prior art, the present invention can obtain following technical effect:
1. the air valve of the application can realize that piston moves back and forth by air valve pneumatic self control system, the spool of the application
Hand-reset may be implemented, thoroughly solving spool commutation will appear Caton situation；
2. the valve seat setting of the application increases the air valve body service life, maintenance cost and time are reduced；
3. the one-piece cylinder of the connection air valve of the application can effectively reduce the space of finished parts, working efficiency and service life
It is higher.
4. the valve seat of the cylinder of the application, cylinder body are structure as a whole, four through-holes be respectively first through hole, the second through-hole,
Third through-hole and fourth hole have each served as four groups of gas circuit connections and auxiliary on-off to realize spool, piston rod circulation industrial
The key effect of work, easy to process, maintenance is simple, and working efficiency and service life are high.
5. the grease pump of the application includes aforementioned air valve and cylinder, really realizes that grease pump is simple and reliable for structure, recycles
Everything goes well with your work without it is stuck, realize be not easy to block, oil suction and oiling are not influenced by temperature or grease model, it is high-efficient, easy to maintain,
Service life is high.
6. the left venthole 422 of the application valve body and right venthole 421 are furnished with muffler, low noise, pressure relief vent is equipped with noise reduction
Device, it is low noise, anti-pollution；
7. the application is adapted to new grease pump, it is such as directly connected to butter machine, without part of commutating, structure is simpler；
8. the installation effectiveness of the application significantly improves；
9. herein described limit housing includes two side baffles and two end-stopping plates, at least side positioned at two side baffles is equipped with
Gap, the gap accommodate air inlet, venthole and the right venthole of air valve, and the program can preferably protect valve body and ensure secured
Connection；
10. being correspondingly provided with left connecting hole, middle connecting hole and right connecting hole on the left valve barrel, middle valve body and right valve barrel, also
Including connecting bolt, the connection bolt adapts to left connecting hole and middle connecting hole, and the connection bolt adapts to middle connecting hole
With right connecting hole；Valve seat upper surface offers location hole, and the limit housing bottom surface is equipped with and corresponding location hole, the positioning
Hole and location hole are bolted；The program is easy for installation, and protective value is more preferable.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, those of ordinary skill in the art are come
It says, without creative efforts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the application perspective exploded view；
Fig. 2 is air valve schematic diagram；
Fig. 3 is air valve front view；
Fig. 4 is air valve decomposition diagram；
Fig. 5 is valve pocket and spool stereoscopic schematic diagram；
Fig. 6 is valve pocket and spool mated condition front schematic view；
Fig. 7 is the face A-A cross-sectional view；
Fig. 8 is valve pocket and spool decomposing state front schematic view；
Fig. 9 is the face B-B cross-sectional view；
Figure 10 is cylinder schematic diagram (1)；
Figure 11 is cylinder schematic diagram (2)；
Figure 12 is air valve, cylinder mated condition front schematic view；
Figure 13 is the application stereoscopic schematic diagram.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
With reference to the accompanying drawing and specific embodiment is further described application principle of the invention.
Embodiment 1
As shown in figures 1-13, including air valve, cylinder and grease pump,
Air valve, including spool 6,
Air valve 4 includes left valve barrel 43, middle valve body 42 and the right valve barrel 41 being detachably connected as a whole；
The left valve barrel 43 close to middle 42 side of valve body include left plug holes 434, close to left plug holes 434 include left shoulder hole
432, interior the 4th connecting hole 443 for being equipped with perforation left valve barrel 43 to bottom in the left shoulder hole 432；
It is furnished with left valve plug 44 in the left plug holes 434, the left valve plug 44 is axially moveable in left plug holes 434,
The left valve plug 44 pushes spool 6 to move right；
The right valve barrel 41 close to middle 42 side of valve body include right plug holes 414, close to right plug holes 414 include right shoulder hole
412, interior the first connecting hole 413 for being equipped with perforation left valve barrel 43 to bottom in the right shoulder hole 412；
It is furnished with right valve plug 46 in the right plug holes 414, the right valve plug 46 is axially moveable in right plug holes 414,
The right valve plug 46 pushes spool 6 to be moved to the left；
The reset rod aperture 49 being through in right shoulder hole 412 is equipped on the outside of the right valve barrel 41, the reset rod aperture 49 cooperates
There is release link 45, described 45 one end of release link is free end, the other end is reset terminal 451, and the reset terminal 451 is in right plug holes
414 and right shoulder hole 412 in it is axially moveable, the release link 45 pushes right valve plug 46 to be moved to the left；
Left venthole 422 and the right side on front side of the middle valve body 42 including air inlet 424 and positioned at 424 two sides of air inlet go out
Stomata 421；
42 bottom of middle valve body includes the second connecting hole 423 and third connecting hole 433；
Valve pocket 5 is fitted in the middle valve body 42；
The valve pocket 5 includes left valve pocket 51 and right valve pocket 52；
51 outer wall of left valve pocket successively includes left outside sealing ring 5101, left outside outer groove 5104, left sealing ring 5102, a left side
Outer bracket groove 5105, left inside sealing ring 5103, left outside inside groove 5106,
51 inner wall of left valve pocket is successively arranged left inside outer groove 5107, left inside bracket groove 5108, left inside inside groove 5109, the left side
Interior outer groove 5107 is equipped with left outside venthole 5110 and is through to left outside outer groove 5104, and the left inside bracket groove 5108 is equipped with left
It venthole 5111 and is through to left outside bracket groove 5105 and is communicated with third connecting hole 433, the left inside inside groove 5109 is equipped with a left side
Interior blow vent 5112 and it is through to left outside inside groove 5106；
52 outer wall of right valve pocket successively includes right exterior seal ring 5201, right outer groove 5204, sealing ring 5202, the right side in the right side
Outer bracket groove 5205, right inner seal ring 5203, right outer inside groove 5206,
52 inner wall of right valve pocket be successively arranged outer groove 5207 in the right side, the right side in bracket groove 5208, the right side in inside groove 5209, the right side
Interior outer groove 5207 is equipped with right outer vent 5210 and is through to outer groove 5204 outside the right side, and bracket groove 5208 is equipped in the right side in the right side
It venthole 5211 and is through to bracket groove 5205 outside the right side and is communicated with the second connecting hole 423, inside groove 5209 is equipped with the right side in the right side
Interior blow vent 5212 and it is through to inside groove 5206 outside the right side；
Spool 6 is fitted in the valve pocket 5；
The spool 6 successively includes that the left outside sealing ring 601 of spool, the left outside connectivity slot 607 of spool, spool are left close along axial direction
Connectivity slot in seal 602, the left inside connectivity slot 608 of spool, the left inside sealing ring 603 of spool, the right inner seal ring 604 of spool, spool are right
609, sealing ring 605, the right outer connectivity slot 610 of spool, the right exterior seal ring 606 of spool in the spool right side；
Inside groove 5209/ is left inside logical in air inlet 424 and left inside 5109/ right side of inside groove of the right outer inside groove 5206/ of left outside inside groove 5106/
Blow vent 5212 communicates in 5112/ right side of port；
Left venthole 422 is communicated with the left outside venthole 5110 of left outside outer groove 5104/；
Right venthole 421 is communicated with the right right outer vent 5210 of outer groove 5204/；
The left outside sealing ring 601 of spool seals left 51 left end of valve pocket；
The left outside connectivity slot 607 of spool, the left sealing ring 602 of spool and the left outside outer groove of left inside 608 on-off of connectivity slot of spool
5104 with left outside bracket groove 5105；
The left inside connectivity slot 608 of spool and the left outside bracket groove 5105 of left inside 603 on-off of sealing ring of spool and left outside inside groove 5106；
The right outer bracket groove 5205 of 609 on-off of connectivity slot and right outer inside groove 5206 in the right inner seal ring 604 of spool and the spool right side；
Connectivity slot 609 in the spool right side, right outer 610 on-off of the connectivity slot right side outer groove of sealing ring 605 and spool in the spool right side
5204 and right outer bracket groove 5205；
The right exterior seal ring 606 of spool seals right 52 right end of valve pocket；
When spool 6 is located at 41 side of right valve barrel, air inlet 424 is communicated with third connecting hole 433, the second connecting hole 423
It is communicated with right venthole 421；When spool 6 is located at 43 side of left valve barrel, air inlet 424 is communicated with the second connecting hole 423, third
Connecting hole 433 is communicated with left venthole 422.
Left connecting hole 473, middle connecting hole 472 and the right side are correspondingly provided on the left valve barrel 43, middle valve body 42 and right valve barrel 41
Connecting hole 471,
It further include connection bolt 48, the connection bolt 48 adapts to left connecting hole 473 and middle connecting hole 472, the company
Connecting bolt 48 adapts to middle connecting hole 472 and right connecting hole 471.
Cylinder, air valve 4,
It further include valve seat 3, cylinder body 2, piston 1 and limit housing 7；
The valve seat 3, cylinder body 2 are integrated；
The valve seat 3 is opened with 2 coaxial direction of cylinder body there are four through-hole, and four through-holes are respectively that first through hole 31, second is logical
Hole 32, third through-hole 33 and fourth hole 34, four through-hole both ends are sealed by closure 37；
3 upper surface of valve seat offers the first exit orifice 311, the second exit orifice 321, third exit orifice 331 and the 4th exit orifice 341
It is connected to respectively with first through hole 31, the second through-hole 32, third through-hole 33 and fourth hole 34；
3 bottom surface of valve seat and cylinder 2 offer the first inner hole 312, the second inner hole 322, in third inner hole 332 and the 4th
It hole 342 and is connected to respectively with first through hole 31, the second through-hole 32, third through-hole 33 and fourth hole 34；
First exit orifice 311, the 4th exit orifice 341, the second inner hole 322, third inner hole 332 are close to 3 outside of valve seat；It is described
Second exit orifice 321, third exit orifice 331, the first inner hole 312 and the 4th inner hole 342 are close to 3 middle part of valve seat；
It is located at the first inner hole 312 on cylinder body 2 and 342 center position of the 4th inner hole offers pressure relief vent 21；
3 top of valve seat cooperates with 4 bottom of air valve: first exit orifice 311 is connected to the 4th connecting hole 443, described
Second exit orifice 321 is connected to third connecting hole 433, and the third exit orifice 331 is connected to the second connecting hole 423, outside the described 4th
Hole 341 is connected to the first connecting hole 413；Connectivity part is combined with sealing rubber ring everywhere for this, to prevent gas leakage；
Piston 1 includes piston rod 11, left rubber ring 12 and right rubber ring 13, when the piston 1 is located at top, the described 4th
Inner hole 342 is connected to rod chamber；When the piston 1 is located at bottom, the first inner hole 312 is connected to rodless cavity；The pressure relief vent 21
Between the effectively sealing of left rubber ring 12 and right rubber ring 13.
3 upper surface of valve seat offers location hole 36, and 7 bottom surface of limit housing is equipped with location hole 74 corresponding with 36, institute
It is fixed by bolt 8 to state location hole 36 and location hole 74；
The limit housing 7 includes two side baffles 71 and two end-stopping plates 72, and at least side positioned at two side baffles 71 is equipped with
Gap 73, the gap 73 accommodate air inlet 424, venthole 422 and the right venthole 421 of air valve 4.
Including four groups of seal washers 9, the seal washer 9 is located at 3 top of valve seat and is suitable for cooperating with 4 bottom of air valve: four
Group seal washer 9 respectively corresponds the first exit orifice 311 and the 4th connecting hole 443, the second exit orifice 321 and third connecting hole 433, third
Exit orifice 331 and the second connecting hole 423, the 4th exit orifice 341 and the first connecting hole 413.
The pressure relief vent 21 is equipped with muffler.
The valve seat 3 is equipped with fifth hole 35, is lightweight hole.
Second inner hole 322, third inner hole 332 are inclined hole.
Working principle:
(1) original state: piston is located at rodless cavity side, 424 air inlet of air inlet,
When spool 6 is located at 43 side of left valve barrel, air inlet 424 is communicated with the second connecting hole 423, third connecting hole 433 with
Left venthole 422 communicates, at this point, third exit orifice 331,332 air inlet of third inner hole, air pressure can not push piston to continue in rod chamber
It retreats, at this point, 312 return-air of the first inner hole, 311 return-air of the first exit orifice, 443 air inlet of the 4th connecting hole enter left through left shoulder hole 432
Plug holes 434, the commutation at this point, the promotion spool 6 of left valve plug 44 moves right；
Meanwhile right plug holes 414 and residual air in right shoulder hole 412 are connected to the 4th exit orifice 341, the by the first connecting hole 413
Four inner holes 342 form certain air pressure x, and air pressure x is discharged from pressure relief vent 21；
When spool 6 is located at 41 side of right valve barrel, air inlet 424 is communicated with third connecting hole 433, the second connecting hole 423
It is communicated with right venthole 421, at this point, the second exit orifice 321,322 air inlet of the second inner hole, air pressure pushes piston to advance in rodless cavity,
Air pressure is discharged through third inner hole 332, third exit orifice 331, the second connecting hole 423, right venthole 421 in rod chamber；
When piston advances to rod chamber bottom to the 4th inner hole 342 and rodless cavity is leaked out, at this point, air pressure passes through in rodless cavity
4th inner hole 342 enters the 4th exit orifice 341, the first connecting hole 413 enters right shoulder hole 412 and right plug holes 414, at this point, right valve
46 promotion spool 6 of plug is moved to the left commutation；
Meanwhile left plug holes 434 and residual air in left shoulder hole 432 are connected to the first exit orifice 311, the by the 4th connecting hole 443
One inner hole 312 forms certain air pressure y, and air pressure y is discharged from pressure relief vent 21；
When spool 6 is again positioned at 43 side of left valve barrel, at this point, piston is located at rod chamber side, air inlet 424 and second connect
Hole 423 is connect to communicate, third connecting hole 433 is communicated with left venthole 422, at this point, third exit orifice 331,332 air inlet of third inner hole,
Air pressure pushes piston to retreat in rod chamber, in rodless cavity air pressure through the second inner hole 322, the second exit orifice 321, third connecting hole 433,
Left venthole 422 is discharged；
When piston is retreated to rodless cavity bottom to the first inner hole 312 and rod chamber is leaked out, at this point, air pressure passes through in rod chamber
First inner hole 312 enters the first exit orifice 311, the 4th connecting hole 443 enters left shoulder hole 432 and left plug holes 434, at this point, left valve
44 promotion spools 6 of plug move right commutation；
Circulation.
(2) original state: piston is located at rod chamber side, 424 air inlet of air inlet,
When spool 6 is located at 41 side of right valve barrel, air inlet 424 is communicated with third connecting hole 433, the second connecting hole 423
Communicated with right venthole 421, at this point, the second exit orifice 321,322 air inlet of the second inner hole, in rodless cavity air pressure can not push piston after
It is continuous to advance, at this point, air pressure by the 4th inner hole 342 enters the 4th exit orifice 341 in rodless cavity, the first connecting hole 413 enters right shoulder
Hole 412 and right plug holes 414, at this point, right valve plug 46 pushes spool 6 to be moved to the left commutation, working principle refers to (one).
When spool 6 is located at 43 side of left valve barrel, air inlet 424 is communicated with the second connecting hole 423, third connecting hole 433
It is communicated with left venthole 422, at this point, third exit orifice 331,332 air inlet of third inner hole, working principle refers to (one).
(3) it when air pump start-up operation gas source air pressure is insufficient, when which is not achieved air valve minimum starting air pressure, can make
Can not in place at spool, spool position cannot be moved in valve seat center at this time: in the left inside sealing ring 603 of spool and the spool right side
Sealing ring 604 is placed exactly in left inside bracket groove 5108 and the right side between bracket groove 5208, when spool commutation will appear such Caton situation
When, need Manual press release link 45 that spool 6 can be pushed to 43 side of left valve barrel, to release Caton phenomenon.
Embodiment 2: grease pump,
Cylinder and grease pump including embodiment 1, the grease pump is fixed on the cylinder 2, the plunger rod and gas of grease pump
The piston 1 of cylinder 2 connects.
In above embodiments, release link 45 is sealed with the reset rod aperture 49 being through in right shoulder hole 412.
As the deformation of Examples 1 and 2, release link 45 is settable to be through in left shoulder hole 432.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (10)
1. air valve, including spool (6), it is characterised in that:
Air valve (4) includes the left valve barrel (43), middle valve body (42) and right valve barrel (41) being detachably connected as a whole；
The left valve barrel (43) includes left plug holes (434), close left plug holes (434) including left close to middle valve body (42) side
Shoulder hole (432), interior the 4th connecting hole (443) for being equipped with perforation left valve barrel (43) to bottom of the left shoulder hole (432)；
It are furnished with left valve plug (44) in the left plug holes (434), the left valve plug (44) is in left plug holes (434) along axial work
Dynamic, the left valve plug (44) pushes spool (6) to move right；
The right valve barrel (41) includes right plug holes (414), close right plug holes (414) including right close to middle valve body (42) side
Shoulder hole (412), interior the first connecting hole (413) for being equipped with perforation left valve barrel (43) to bottom of the right shoulder hole (412)；
It are furnished with right valve plug (46) in the right plug holes (414), the right valve plug (46) is in right plug holes (414) along axial work
Dynamic, the right valve plug (46) pushes spool (6) to be moved to the left；
The reset rod aperture (49) being through in right shoulder hole (412), the reset rod aperture (49) are equipped on the outside of the right valve barrel (41)
It is combined with release link (45), described release link (45) one end is free end, the other end is reset terminal (451), the reset terminal
(451) axially moveable in right plug holes (414) and right shoulder hole (412), the release link (45) push right valve plug (46) to
It moves left；
Include on front side of the middle valve body (42) air inlet (424) and be located at air inlet (424) two sides left venthole (422) and
Right venthole (421)；
Middle valve body (42) bottom includes the second connecting hole (423) and third connecting hole (433).
2. air valve according to claim 1, it is characterised in that:
Valve pocket (5) are fitted in the middle valve body (42)；
The valve pocket (5) includes left valve pocket (51) and right valve pocket (52)；
Left valve pocket (51) outer wall successively includes left outside sealing ring (5101), left outside outer groove (5104), left sealing ring
(5102), left outside bracket groove (5105), left inside sealing ring (5103), left outside inside groove (5106),
Left valve pocket (51) inner wall is successively arranged left inside outer groove (5107), left inside bracket groove (5108), left inside inside groove (5109), institute
Left inside outer groove (5107) are stated equipped with left outside venthole (5110) and are through to left outside outer groove (5104), the left inside bracket groove
(5108) left venthole (5111) are equipped with and is through to left outside bracket groove (5105) and is communicated with third connecting hole (433), institute
Left inside inside groove (5109) are stated equipped with left inside blow vent (5112) and are through to left outside inside groove (5106)；
Right valve pocket (52) outer wall successively include right exterior seal ring (5201), right outer groove (5204), it is right in sealing ring
(5202), right outer bracket groove (5205), right inner seal ring (5203), right outer inside groove (5206),
Right valve pocket (52) inner wall be successively arranged outer groove in the right side (5207), the right side in bracket groove (5208), the right side in inside groove (5209), institute
Outer groove in the right side (5207) are stated equipped with right outer vent (5210) and are through to outer groove outside the right side (5204), bracket groove in the right side
(5208) it is equipped with venthole (5211) in the right side and is through to bracket groove outside the right side (5205) and is communicated with the second connecting hole (423), institute
Inside groove in the right side (5209) are stated to be equipped with blow vent (5212) in the right side and be through to inside groove outside the right side (5206)；
Spool (6) are fitted in the valve pocket (5)；
The spool (6) successively includes that the left outside sealing ring of spool (601), the left outside connectivity slot of spool (607), spool are left along axial direction
Sealing ring (602), the left inside connectivity slot of spool (608), the left inside sealing ring of spool (603), the right inner seal ring of spool (604), spool
Connectivity slot (609) in the right side, sealing ring (605), the right outer connectivity slot (610) of spool, the right exterior seal ring of spool (606) in the spool right side；
Inside groove (5209) in air inlet (424) and left outside inside groove (5106)/right outer inside groove (5206)/left inside inside groove (5109)/right side/
Blow vent (5212) communicates in left inside blow vent (5112)/right side；
Left venthole (422) communicates with left outside outer groove (5104)/left outside venthole (5110)；
Right venthole (421) communicates with right outer groove (5204)/right outer vent (5210)；
The left outside sealing ring of spool (601) seals left valve pocket (51) left end；
The left outside connectivity slot of spool (607), the left sealing ring of spool (602) and the left outside outer groove of the left inside connectivity slot of spool (608) on-off
(5104) with left outside bracket groove (5105)；
The left inside connectivity slot of spool (608) and the left outside bracket groove of the left inside sealing ring of spool (603) on-off (5105) and left outside inside groove
(5106)；
The right outer bracket groove (5205) of connectivity slot (609) on-off and right outer inside groove in the right inner seal ring of spool (604) and the spool right side
(5206)；
Connectivity slot (609) in the spool right side, right outer connectivity slot (610) the on-off right side outer groove of sealing ring (605) and spool in the spool right side
(5204) and right outer bracket groove (5205)；
The right exterior seal ring of spool (606) seals right valve pocket (52) right end；
When spool (6) is located at right valve barrel (41) side, air inlet (424) is communicated with third connecting hole (433), the second connecting hole
(423) it is communicated with right venthole (421)；When spool (6) is located at left valve barrel (43) side, air inlet (424) is connect with second
Hole (423) communicates, and third connecting hole (433) is communicated with left venthole (422).
3. air valve according to claim 2, it is characterised in that:
Left connecting hole (473), middle connecting hole are correspondingly provided on the left valve barrel (43), middle valve body (42) and right valve barrel (41)
(472) and right connecting hole (471),
It further include connection bolt (48), the connection bolt (48) adapts to left connecting hole (473) and middle connecting hole (472), institute
It states connection bolt (48) and adapts to middle connecting hole (472) and right connecting hole (471).
4. cylinder, including air valve as claimed in claim 2 (4), it is characterised in that:
It further include valve seat (3), cylinder body (2), piston (1) and limit housing (7)；
The valve seat (3), cylinder body (2) are integrated；
The valve seat (3) and cylinder body (2) coaxial direction open that there are four through-holes, and four through-holes are respectively first through hole (31), second
Through-hole (32), third through-hole (33) and fourth hole (34), four through-hole both ends are sealed by closure (37)；
Valve seat (3) upper surface offers the first exit orifice (311), the second exit orifice (321), outside third exit orifice (331) and the 4th
Hole (341) is connected to first through hole (31), the second through-hole (32), third through-hole (33) and fourth hole (34) respectively；
Valve seat (3) bottom surface and cylinder (2) offer the first inner hole (312), the second inner hole (322), third inner hole (332) and
4th inner hole (342) and respectively with first through hole (31), the second through-hole (32), third through-hole (33) and fourth hole (34) even
It is logical；
First exit orifice (311), the 4th exit orifice (341), the second inner hole (322), third inner hole (332) close valve seat (3) are outside
Side；Second exit orifice (321), third exit orifice (331), the first inner hole (312) and the 4th inner hole (342) are in valve seat (3)
Portion；
It is located at the first inner hole (312) on cylinder body (2) and the 4th inner hole (342) center position offers pressure relief vent (21)；
Cooperate at the top of the valve seat (3) with air valve (4) bottom: first exit orifice (311) is connected to the 4th connecting hole (443),
Second exit orifice (321) is connected to third connecting hole (433), and the third exit orifice (331) and the second connecting hole (423) are even
Logical, the 4th exit orifice (341) is connected to the first connecting hole (413)；
Piston (1) includes piston rod (11), left rubber ring (12) and right rubber ring (13), when the piston (1) is located at top, institute
The 4th inner hole (342) is stated to be connected to rod chamber；When the piston (1) is located at bottom, the first inner hole (312) is connected to rodless cavity；
The pressure relief vent (21) is located between the effectively sealing of left rubber ring (12) and right rubber ring (13).
5. cylinder according to claim 4, it is characterised in that:
Valve seat (3) upper surface offers location hole (36), and the limit housing (7) bottom surface is equipped with location hole corresponding with 36
(74), the location hole (36) and location hole (74) are fixed by bolt (8)；
The limit housing (7) includes two side baffles (71) and two end-stopping plates (72), is located at at least side of two side baffles (71)
Equipped with gap (73), which accommodates air inlet (424), venthole (422) and the right venthole (421) of air valve (4).
6. cylinder according to claim 4, it is characterised in that:
Including four groups of seal washers (9), the seal washer (9) is located at the top of valve seat (3) and is suitable for matching with air valve (4) bottom
Close: four groups of seal washers (9) respectively correspond the first exit orifice (311) and the 4th connecting hole (443), the second exit orifice (321) and third
Connecting hole (433), third exit orifice (331) and the second connecting hole (423), the 4th exit orifice (341) and the first connecting hole (413).
7. cylinder according to claim 4, it is characterised in that: the pressure relief vent (21) is equipped with muffler.
8. cylinder according to claim 4, it is characterised in that: the valve seat (3) is equipped with fifth hole (35), is light weight
Change hole.
9. cylinder according to claim 4, it is characterised in that: second inner hole (322), third inner hole (332) are oblique
Hole.
10. grease pump, it is characterised in that: including the described in any item cylinders of claim 4-5 and grease pump, the grease pump is solid
It is scheduled on cylinder (2), the plunger rod of grease pump is connect with the piston (1) of cylinder (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910139653.0A CN109764154A (en) | 2019-02-26 | 2019-02-26 | Air valve, cylinder and grease pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910139653.0A CN109764154A (en) | 2019-02-26 | 2019-02-26 | Air valve, cylinder and grease pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109764154A true CN109764154A (en) | 2019-05-17 |
Family
ID=66456336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910139653.0A Pending CN109764154A (en) | 2019-02-26 | 2019-02-26 | Air valve, cylinder and grease pump |
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| Country | Link |
|---|---|
| CN (1) | CN109764154A (en) |
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| GB2083888A (en) * | 1980-09-17 | 1982-03-31 | Mac Valves Inc | Directional control valves |
| CN101240840A (en) * | 2007-02-07 | 2008-08-13 | 哈尔滨三迪工控工程有限公司 | Heavy type lorry transmission-gear box durable main air valve |
| CN204025872U (en) * | 2014-08-29 | 2014-12-17 | 毅联实业(上海)有限公司 | Hand-operated direction valve for pneumatic motor |
| CN106286455A (en) * | 2016-10-31 | 2017-01-04 | 常州市康士达机电有限公司 | Heat dissipation type solenoid directional control valve |
| CN106641403A (en) * | 2016-11-07 | 2017-05-10 | 温州大学 | Direct-acting electro-hydraulic proportional valve driven by two-way permanent magnet linear force motor |
| CN107917266A (en) * | 2017-11-28 | 2018-04-17 | 宁波坤易气动科技有限公司 | A kind of combination actuator |
| CN108006001A (en) * | 2017-12-29 | 2018-05-08 | 浙江洁普斯清洁设备有限公司 | A kind of reciprocating air cylinder of automatic switchover |
| CN207437835U (en) * | 2017-11-13 | 2018-06-01 | 赵连新 | A kind of Full sealed magnetic automatic diverter valve |
| CN209925682U (en) * | 2019-02-26 | 2020-01-10 | 吴正涛 | Air valve, air cylinder and grease pump |
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2019
- 2019-02-26 CN CN201910139653.0A patent/CN109764154A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2083888A (en) * | 1980-09-17 | 1982-03-31 | Mac Valves Inc | Directional control valves |
| CN101240840A (en) * | 2007-02-07 | 2008-08-13 | 哈尔滨三迪工控工程有限公司 | Heavy type lorry transmission-gear box durable main air valve |
| CN204025872U (en) * | 2014-08-29 | 2014-12-17 | 毅联实业(上海)有限公司 | Hand-operated direction valve for pneumatic motor |
| CN106286455A (en) * | 2016-10-31 | 2017-01-04 | 常州市康士达机电有限公司 | Heat dissipation type solenoid directional control valve |
| CN106641403A (en) * | 2016-11-07 | 2017-05-10 | 温州大学 | Direct-acting electro-hydraulic proportional valve driven by two-way permanent magnet linear force motor |
| CN207437835U (en) * | 2017-11-13 | 2018-06-01 | 赵连新 | A kind of Full sealed magnetic automatic diverter valve |
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| CN209925682U (en) * | 2019-02-26 | 2020-01-10 | 吴正涛 | Air valve, air cylinder and grease pump |
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