CN209469826U - A kind of rocker-arm diaphragm valve - Google Patents
A kind of rocker-arm diaphragm valve Download PDFInfo
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- CN209469826U CN209469826U CN201822241255.3U CN201822241255U CN209469826U CN 209469826 U CN209469826 U CN 209469826U CN 201822241255 U CN201822241255 U CN 201822241255U CN 209469826 U CN209469826 U CN 209469826U
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- valve body
- diaphragm
- rocker
- armature
- arm
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Abstract
The utility model discloses a kind of rocker-arm diaphragm valves, traditional solenoid electromagnet is designed as a kind of novel beating type electromagnet suitable for the diaphragm valve inside the rocker-arm diaphragm valve, by traditional fulcrum positioned at valve body center, it is changed to that the armature bracket right end of lower end is arranged in, the contact point of armature and rocking bar is placed exactly in rocking bar arm of force distal end, therefore do not need to move axis design, it can be very good to reduce solenoid valve size, make more compact structure；Using beating type electromagnet, armature and electromagnetic coil separation are conducive to reduce electromagnet thickness, act on and highlighting in the ultrathin design of solenoid valve；Because electromagnet air gap becomes edge from middle position, so that the value increases naturally, so that the suction lift of the electromagnet of solenoid valve, while response speed is increased, while can reduce solenoid valve power and reducing solenoid valve volume.
Description
[technical field]
The utility model belongs to fluid control technology field, and in particular to a kind of rocker-arm diaphragm valve.
[background technique]
The structure of existing rocker-arm diaphragm valve is most as shown in Figure 1, using solenoid electromagnet, the central axes of electromagnet
It has been staggered certain distance with the central axes of valve body, armature does vertical direction movement, helix tube type electromagnetism on the central axes of electromagnet
Iron need and valve body move axis design, act directly on electromagnetic attraction on the unilateral arm of force, electromagnetic valve structure is not compact, volume compared with
Greatly.And the movement transmitting between electromagnet and diaphragm of rubber is more complicated, frictional resistance is big, and the electromagnetic attraction that electromagnet generates is not
It can be efficiently used for effective closure of solenoid valve, therefore the power consumption of solenoid valve to be higher.
[utility model content]
The shortcomings that the purpose of the utility model is to overcome the above-mentioned prior arts provides a kind of rocker-arm diaphragm valve；The valve
Body is by a kind of novel beating type electromagnet of interior design, so that the structure of the solenoid valve is even closer, power is smaller.
In order to achieve the above objectives, the utility model is achieved using following technical scheme:
A kind of rocker-arm diaphragm valve, comprising: upper valve body, lower valve body and electromagnetic assembly；The upper end of upper valve body and lower valve body is solid
Fixed connection, the lower end of lower valve body is fixedly connected with electromagnetic assembly；The upper surface of upper valve body is provided with fluid channel；Electromagnetic assembly is logical
Overcurrent generates magnetic force；
It is provided with diaphragm of rubber between lower valve body and upper valve body, forms dielectric cavity, fluid between diaphragm of rubber and upper valve body
Channel is connected to dielectric cavity；Diaphragm of rubber can block the fluid channel on upper valve body both sides；
Setting armature and connecting rod, the top and side of armature are wrapped up by armature bracket in lower valve body, and the upper surface of armature bracket is solid
Surely it is provided with special-shaped leaf spring；There are rocking bar, rocking bar in the upper end of connecting rod by the protrusion portion envelops of diaphragm of rubber, the lower end in contact of connecting rod
It is fixed on inside lower valve body by cylindrical shaft；The lower end in contact of rocking bar has the upper side wall of insert port, the lower wall and rank of insert port
Brandreth is integrally formed；One end of special-shaped leaf spring is inserted in insert port；
One end of armature bracket is supported on the upper surface of electromagnetic assembly, when electromagnetic assembly powers off, the other end and electricity of armature bracket
The distance between magnetic assembly upper surface is electromagnet air gap delta.
Further improvement of the utility model is:
Preferably, the fluid channel of upper valve body includes the entrance at center and the first outlet and second outlet of entrance two sides,
Diaphragm of rubber can block first outlet or second outlet；The top face first outlet and second outlet of connecting rod.
Preferably, O-shaped rubber ring is surrounded in entrance, first outlet and second outlet.
Preferably, connecting rod is annular connecting rod, comprising: vertical pole, and the cross tube and sheer pole that are parallel to each other；Vertical pole is vertical
In cross tube, cross tube is fixedly connected with sheer pole by vertical pole.
Preferably, the lower surface of diaphragm of rubber is provided with the annular groove of protrusion, and annular groove wraps up cross tube.
Preferably, the upper surface both ends setting of rocking bar is fluted, and the lower end of vertical pole is inserted into two grooves.
Preferably, rocking bar offers the centre bore through side, and cylindrical shaft is inserted in centre bore；The both ends of cylindrical shaft are solid
It is scheduled on the pin hole of the side wall of lower valve body.
Preferably, one end of rocking bar lower surface is provided with downwardly projecting lower pillar, and the upper surface of armature bracket is provided with
Pillar, upper pillar and lower pillar are opposite, are sleeved in cylindrical spring jointly.
Preferably, special-shaped leaf spring includes fulcrum and crowbar, and the upper surface of armature bracket, one end of crowbar is arranged in fixed pivot
It is inserted in fulcrum, the other end, which is inserted in, to insert in the hole.
Preferably, electromagnetic assembly includes yoke, and two groups of bobbins and coil are provided in yoke, and each group of coil surrounds
Bobbin forms line packet.
Compared with prior art, the utility model has the following beneficial effects:
The utility model discloses a kind of rocker-arm diaphragm valve, by traditional helix tube type electricity inside the rocker-arm diaphragm valve
Magnet design is a kind of novel beating type electromagnet suitable for the diaphragm valve, by traditional fulcrum positioned at valve body center,
It is changed to be arranged in the armature bracket right end of lower end, the contact point of armature and rocking bar is placed exactly in rocking bar arm of force distal end, therefore does not need to move
Axis design can be very good to reduce solenoid valve size, make more compact structure；Using beating type electromagnet, armature and electromagnetic coil
Separation is conducive to reduce electromagnet thickness, acts on and highlighting in the ultrathin design of solenoid valve；Because electromagnet air gap is by middle position
Become edge, so that the value increases naturally, so that the suction lift of the electromagnet of solenoid valve, increases response speed, while energy
It enough reduces solenoid valve power and reduces solenoid valve volume.
Further, effect of the diaphragm of rubber by connecting rod, and then first outlet or second outlet are blocked, realize runner
Switching.
Further, connecting rod is designed by structure, as a kind of intermediate gearing, realizes the connection of diaphragm of rubber and rocking bar
It is dynamic.
Further, diaphragm of rubber is provided with annular groove, so that the cross tube of the fully wrapped around firmly connecting rod of diaphragm of rubber.
Further, the lower end of connecting rod is inserted in the groove that rocking bar opens up, and realizes linkage.
Further, rocking bar is fixed on inside lower valve body by cylindrical shaft, while can be rotated around lower valve body, and then will
It is gradually transferred to diaphragm of rubber because of the movement that magnetic force generates, realizes the switching of runner.
Further, armature bracket is fixedly connected with armature, and upper surface is fixedly installed special-shaped leaf spring, to will produce because of magnetic force
Raw movement is transferred to special-shaped leaf spring, and special-shaped leaf spring passes through the cooperation of fulcrum and crowbar, can jack up the side of connecting rod；In turn
Realize the switching of upper valve body inner flow passage.
[Detailed description of the invention]
Fig. 1 is existing rocker-arm diaphragm valve structure figure；
Fig. 2 is the structural schematic diagram of the utility model；
Fig. 3 is the magnetic force schematic diagram of existing rocker-arm diaphragm valve；
Fig. 4 is the magnetic force schematic diagram of the utility model；
Fig. 5 is the schematic diagram of the section structure of connecting rod
Wherein: 1-O type rubber ring；2- upper valve body；3- lower valve body；4- cylindrical shaft；5- cylindrical spring；6- armature bracket；7- line
Coil；8- coil；9- yoke；10- armature；11- abnormity leaf spring；12- rocking bar；13- connecting rod；14- diaphragm of rubber；15- annular groove；
16- cross tube；17- sheer pole；18- vertical pole；19- groove；20- centre bore；Pillar under 21-；The upper pillar of 22-；23- enclosing；24-
Fulcrum；25- crowbar；26- is inserted into hole；27- electromagnetic assembly；28- entrance；29- first outlet；30- second outlet；31- dielectric cavity.
[specific embodiment]
The utility model is described in further detail with reference to the accompanying drawing:
It is referring to fig. 2 the structural schematic diagram of the utility model, the utility model discloses a kind of rocker-arm diaphragm valve, the valves
Body includes O-shaped rubber ring 1, upper valve body 2, lower valve body 3, cylindrical shaft 4, cylindrical spring 5, armature bracket 6, bobbin 7, coil 8, yoke
9, armature 10, special-shaped leaf spring 11, rocking bar 12, connecting rod 13, diaphragm of rubber 14, annular groove 15, cross tube 16, sheer pole 17, vertical pole
18, groove 19, centre bore 20, lower pillar 21, upper pillar 22, enclosing 23, fulcrum 24, crowbar 25, insertion hole 26, electromagnetic assembly
27, entrance 28, first outlet 29 and second outlet 30.
The valve body is divided into upper valve body 2 and lower valve body 3, is fixedly connected between upper valve body 2 and lower valve body 3；Upper valve body 2 and lower valve
Diaphragm of rubber 14 is provided between body 3, upper valve body 2 and the sealing of diaphragm of rubber 14 cooperatively form dielectric cavity 31, diaphragm of rubber 14
Edge is in the endless groove of lower valve body 3, so that diaphragm of rubber 14 is formed between the side wall of upper valve body 2 and the side wall of lower valve body 3
Sealing ring.
Entrance 28 is offered at the center of the upper surface of upper valve body 2, the two sides of entrance 28 are respectively arranged with first outlet 29
With second outlet 30, first outlet 29 and second outlet 30 are symmetrical relative to entrance 28；Entrance 28, first outlet 29 and second go out
O-shaped rubber ring 1 is surrounded in mouth 30.
Be provided in lower valve body 3 cylindrical shaft 4, cylindrical spring 5, armature bracket 6, bobbin 7, coil 8, yoke 9, armature 10,
Special-shaped leaf spring 11, rocking bar 12 and connecting rod 13；Diaphragm of rubber 14 is provided with annular groove 15,15 lower part of annular groove in its lower surface protrusion
Both sides be provided with the protrusion of opposed, inwardly directed protrusion, enable annular groove 15 to wrap connecting rod 13；Connecting rod 13 is annular connecting rod,
The top face first outlet 29 and second outlet 30 of connecting rod 13, when so that certain one end of connecting rod 13 being jacked up, can push rubber
Glue diaphragm 14 blocks some outlet, realizes the switching of runner；Connecting rod 13 includes cross tube 16, sheer pole 17 and vertical pole 18, on
Cross bar 16 is parallel with sheer pole 17, and for vertical pole 18 perpendicular to cross tube 16, sheer pole 17, vertical pole 18 and sheer pole 17 are solid in cross
Even, the upper end of vertical pole 18 and the lower end surface of cross tube 16 are integrally formed.The both ends setting fluted 19 of 12 upper surface of rocking bar, vertical pole
18 lower end is inserted into groove 19, and the two matching contact, rocking bar 12 offers the centre bore 20 through side, and centre bore 20 is worn
The center of rocking bar 12 is crossed, the right end of 12 lower surface of rocking bar is provided with downwardly projecting lower pillar 21；The both ends of cylindrical shaft 4 are fixed on
On the pin hole of the side wall of lower valve body 3, cylindrical shaft 4 passes through centre bore 20, so that rocking bar 12 makes rotating motion around cylindrical shaft 4；Armature
10 in armature bracket 6, and armature 10 is fixedly connected with the lower surface of armature bracket 6, and the downwardly projecting enclosing 23 in 6 outside of armature bracket surrounds
Armature bracket 6, is fixed as one, and the top of electromagnetic assembly 27, the lower surface right end and electromagnetic assembly of armature 10 is arranged in armature 10
27 contact, and under off-position, left end and electromagnetic assembly 27 are not contacted, and the distance between left end and electromagnetic assembly 27 are electromagnet
Air gap delta；Only in the energized state, the left end of armature 10 is moved downward contacts with electromagnetic assembly 27；The right side of 6 upper surface of armature bracket
End is fixedly installed upper pillar 22 protruding upward, and left end is provided with insertion hole 26, insertion hole 26 in the top of armature bracket 6,
Axis is parallel to the upper surface of armature bracket 6, and the upper side wall in insertion hole 26 resists rocking bar 12, and lower wall and armature bracket 6 are integrally formed,
The upper side wall in insertion hole 26 is fixedly connected with the edge of lower wall；Upper pillar 22 and lower pillar 21 are opposite, are inserted in cylinder bullet jointly
The inside of spring 5, the upper surface of armature bracket 6 are further fixedly arranged on special-shaped leaf spring 11, and special-shaped leaf spring 11 includes fulcrum 24 and crowbar 25,
Fulcrum 24 is fixed at the upper surface of armature bracket 6, and the right end of crowbar 25 is inserted in fulcrum 24, and left end is inserted in insertion hole 26
Interior, the downwardly projecting enclosing 23 of the right end of armature bracket 6 resists the upper surface of yoke 9, so that armature bracket 6 is revolved around lower right corner fulcrum
Transhipment is dynamic.
Electromagnetic assembly 27 is in the lower end of lower valve body 3, including bobbin 7, and coil 8 and yoke 9, bobbin 7 and coil 8 are in yoke
The inside of iron 9, coil 8 are wound on 7 surrounding of bobbin and form line packet, and yoke 9 and armature 10 constitute closed magnetic circuit.
Under certain operating condition, when the magnetizing coil of electromagnet is by DC-voltage supply, the electric current in coil is substantially not
Change with the variation of air gap delta, electromagnetic attraction F and air gap delta square are inversely proportional, and when air gap delta reduces, suction F rapidly increases.
As shown in figure 3, common solenoid electromagnet, resistance point stroke L1=point of application electromagnet air gap delta1.As shown in figure 4, clapper-type
Electromagnet, resistance point stroke L2=2 × point of application electromagnet air gap delta2.In solenoid valve design, resistance point stroke one is generally required
It is fixed, i.e. L1=L2=specified rate, at this time point of application electromagnet air gap delta2=0.5 × δ1, so the electromagnetic attraction of beating type electromagnet
F2≈4×F1.In solenoid valve design, generally require resistance point Resistance Value N certain, solenoid electromagnet point of application N1=N is clapped
Box-like electromagnet point of application N2=2 × N, so N2=2 × N1.In solenoid valve design, point of application F is generally requiredi=ai×Ni,
ai﹥ 1, to meet the rapidity of solenoid valve opening, and aiBigger solenoid valve response speed is faster, then has F1=a1×N1, F2=a2
×N2, bring relation above formula into and obtain a2≈2×a1, so can be obtained greatly using the response speed of the solenoid valve of beating type electromagnet
Width is promoted.Conversely, if aiCentainly, then it advantageously reduces solenoid valve power and reduces solenoid valve volume.From upper analysis it is found that opposite
In common solenoid electromagnet beating type electromagnet because of resistance point stroke L1For twice of air gap delta2, so that beating type electromagnet
Suction be four times of solenoid electromagnet suction；And clapper-type magnet is because resistance point Resistance Value is 2 times of solenoid electromagnet,
So that aiIt increases considerably, corresponding response speed is faster；Therefore electromagnet is being able to ascend using beating type electromagnet out
Suction simultaneously increases response speed, while can reduce solenoid valve power and reducing solenoid valve volume.
Working principle:
Under energized state, when electromagnetic assembly 27 is powered, generation magnetic force, coil 8 generates magnetic energy adhesive armature 10, and armature 10 exists
Under magneticaction, when left end moves downward, the rotation counterclockwise simultaneously of armature bracket 6 drives crowbar 25 to move downward, insertion hole 26
Lower wall no longer resists rocking bar 12, and connecting rod 13 moves downward simultaneously, while cylindrical spring 5 pushes away rocking bar 12 and rotates counterclockwise, makes rubber
Glue diaphragm 14 cuts off the channel valve port of second outlet 30, and 29 channel valve port of first outlet is opened, so that first outlet 29 and entrance
28 connections, 30 channel valve port of second outlet closure.When electromagnetic assembly 27 powers off, and armature 10 pushes armature bracket 6 to rotate clockwise,
Special-shaped leaf spring 11, which pushes away armature bracket 6, rotates clockwise it, so that the upper side wall in insertion hole 26 resists rocking bar 12, rocking bar 12, which pushes, to be connected
Bar 13, special-shaped leaf spring 11 are sprung back, and connecting rod 13 cuts off first outlet 29 by diaphragm of rubber 14 in the state that electromagnet is not powered on
Channel valve port, cylindrical spring 5 compressed by rocking bar 12, and the right end of connecting rod 13 moves downward, and under off-position, first passage 29 is logical
Road valve port closure, 30 channel valve port of second outlet is opened, so that second outlet 30 is connected to entrance 28；The logical of fluid is realized with this
The control of disconnected and runner.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (10)
1. a kind of rocker-arm diaphragm valve characterized by comprising upper valve body (2), lower valve body (3) and electromagnetic assembly (27)；Upper valve
Body (2) is fixedly connected with the upper end of lower valve body (3), and the lower end of lower valve body (3) is fixedly connected with electromagnetic assembly (27)；Upper valve body
(2) upper surface is provided with fluid channel；Electromagnetic assembly (27) generates magnetic force by electric current；
It is provided between lower valve body (3) and upper valve body (2) diaphragm of rubber (14), shape between diaphragm of rubber (14) and upper valve body (2)
At dielectric cavity (31), fluid channel is connected to dielectric cavity (31)；Diaphragm of rubber (14) can block the fluid on upper valve body (2) both sides
Channel；
Setting armature (10) and connecting rod (13) in lower valve body (3), the top and side of armature (10) are wrapped up by armature bracket (6), rank
The upper surface of brandreth (6) is fixedly installed special-shaped leaf spring (11)；The upper end of connecting rod (13) is by the protrusion part of diaphragm of rubber (14)
Package, the lower end in contact of connecting rod (13) have rocking bar (12), and rocking bar (12) is fixed on lower valve body (3) inside by cylindrical shaft (4)；It shakes
The lower end in contact of bar (12) has the upper side wall of insertion hole (26), and the lower wall and armature bracket (6) for being inserted into hole (26) are integrally formed；It is different
One end of shape leaf spring (11) is inserted in insertion hole (26)；
One end of armature bracket (6) is supported on the upper surface of electromagnetic assembly (27), when electromagnetic assembly powers off, armature bracket (6) it is another
The distance between end and electromagnetic assembly (27) upper surface are electromagnet air gap delta.
2. a kind of rocker-arm diaphragm valve according to claim 1, which is characterized in that the fluid channel of upper valve body (2) includes
The entrance (28) at center and the first outlet (29) and second outlet (30) of entrance (28) two sides, diaphragm of rubber (14) can block
Firmly first outlet (29) or second outlet (30)；The top face first outlet (29) and second outlet (30) of connecting rod (13).
3. a kind of rocker-arm diaphragm valve according to claim 2, which is characterized in that entrance (28), first outlet (29) and
O-shaped rubber ring (1) is surrounded in second outlet (30).
4. a kind of rocker-arm diaphragm valve according to claim 1, which is characterized in that connecting rod (13) is annular connecting rod, comprising:
Vertical pole (18), and the cross tube (16) and sheer pole (17) that are parallel to each other；Vertical pole (18) is perpendicular to cross tube (16), cross tube
(16) it is fixedly connected with sheer pole (17) by vertical pole (18).
5. a kind of rocker-arm diaphragm valve according to claim 4, which is characterized in that the lower surface of diaphragm of rubber (14) is arranged
There is the annular groove (15) of protrusion, annular groove (15) wraps up cross tube (16).
6. a kind of rocker-arm diaphragm valve according to claim 4, which is characterized in that the upper surface both ends of rocking bar (12) are arranged
Fluted (19), the lower end of vertical pole (18) are inserted into two grooves (19).
7. a kind of rocker-arm diaphragm valve according to claim 1, which is characterized in that rocking bar (12) is offered through side
Centre bore (20), cylindrical shaft (4) are inserted in centre bore (20)；The both ends of cylindrical shaft (4) are fixed on the side wall of lower valve body (3)
On pin hole.
8. a kind of rocker-arm diaphragm valve according to claim 1, which is characterized in that one end of rocking bar (12) lower surface is arranged
There is downwardly projecting lower pillar (21), the upper surface of armature bracket (6) is provided with pillar (22), upper pillar (22) and lower pillar
(21) relatively, it is sleeved on jointly in cylindrical spring (5).
9. a kind of rocker-arm diaphragm valve according to claim 1, which is characterized in that special-shaped leaf spring (11) includes fulcrum (24)
With crowbar (25), fulcrum (24) is fixed at the upper surface of armature bracket (6), and one end of crowbar (25) is inserted in fulcrum (24)
Interior, the other end is inserted in insertion hole (26).
10. a kind of rocker-arm diaphragm valve described in -9 any one according to claim 1, which is characterized in that electromagnetic assembly (27)
Including yoke (9), two groups of bobbins (7) and coil (8) are provided in yoke (9), each group of coil (8) surrounds bobbin
(7) line packet is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822241255.3U CN209469826U (en) | 2018-12-28 | 2018-12-28 | A kind of rocker-arm diaphragm valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822241255.3U CN209469826U (en) | 2018-12-28 | 2018-12-28 | A kind of rocker-arm diaphragm valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209469826U true CN209469826U (en) | 2019-10-08 |
Family
ID=68090245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822241255.3U Active CN209469826U (en) | 2018-12-28 | 2018-12-28 | A kind of rocker-arm diaphragm valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209469826U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109611580A (en) * | 2018-12-28 | 2019-04-12 | 中航电测仪器股份有限公司 | A kind of rocker-arm diaphragm valve |
-
2018
- 2018-12-28 CN CN201822241255.3U patent/CN209469826U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109611580A (en) * | 2018-12-28 | 2019-04-12 | 中航电测仪器股份有限公司 | A kind of rocker-arm diaphragm valve |
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