CN209196193U - A kind of check valve for the tooling mistake proofing that twists leg - Google Patents
A kind of check valve for the tooling mistake proofing that twists leg Download PDFInfo
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- CN209196193U CN209196193U CN201821836211.9U CN201821836211U CN209196193U CN 209196193 U CN209196193 U CN 209196193U CN 201821836211 U CN201821836211 U CN 201821836211U CN 209196193 U CN209196193 U CN 209196193U
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- magnet assembly
- tooling
- valve body
- fixed plate
- mistake proofing
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Abstract
The utility model relates to a kind of check valves for the tooling mistake proofing that twists leg, including downwardly open valve body and the bottom cover being connect with the valve seal, the valve inner is equipped with the air inlet and air outlet being connected to extraneous gas, the air inlet is arranged in the body top, the air inlet underside is provided with the first magnet assembly, and the second magnet assembly with the first magnet assembly mutual exclusion is provided with below first magnet assembly；The valve body closes the air inlet by the first magnet assembly and the second magnet assembly mutual repulsion effect；The beneficial effect is that: (1) quality problems caused by the tooling that twists leg caused by effectivelying prevent workshop internal cause air pressure to drop suddenly turned metal ear is not in place；(2) structure is simple, and main component is by plastic production, light-weight, low manufacture cost；(3) by the repulsion between plastics adjusting bolt regulating magnet, it can be achieved that the control of different air pressures.
Description
Technical field
The utility model relates to mechanical manufacturing field, in particular to a kind of check valve for the tooling mistake proofing that twists leg.
Background technique
The tooling that twists leg is common a kind of assembly tooling in Workshop Production, relies primarily on outer air duct and provides dynamic flexural screen
Cover cover metal ear.In actual production, the wind pressure of air hose supply often will appear unstable situation, if air pressure is too small, can lead
It causes the bending of shielding case metal ear not in place, easily leads to quality problems；How the air pressure of air hose offer is provided, is guarantee fund
Belonging to ear to be torqued into place is current problem to be solved；Solution used at present is installed additional between air hose and the tooling that twists leg
Air gauge, it is desirable that operator pays attention to air pressure change at the moment；Air gauge observes air pressure change situation by operator, cannot shut out completely
The torsion of metal ear caused by exhausted air pressure is insufficient is not in place to be happened, and for the toolings that all twist leg install additional barometric cost compared with
It is high.
Summary of the invention
In order to solve the above-mentioned technical problem the utility model, provides a kind of check valve for the tooling mistake proofing that twists leg, packet
The bottom cover for including downwardly open valve body and connecting with the valve seal, the valve inner are equipped with and are connected to extraneous gas
Air inlet and air outlet, the air inlet is arranged in the body top, and the air inlet underside is provided with the first magnetic
Property component, the second magnet assembly with the first magnet assembly mutual exclusion is provided with below first magnet assembly；The valve
Body closes the air inlet by the first magnet assembly and the second magnet assembly mutual repulsion effect.
Further, first magnet assembly includes the first fixed plate, and the first fixed plate top is provided with and institute
The sealing element of air inlet sealed connection is stated, first fixed plate bottom is provided with first with the second magnet assembly mutual exclusion
Magnet.
Further, second magnet assembly includes the second fixed plate, and second fixed plate is fixedly arranged above and institute
State the second magnet of the first magnet mutual exclusion；Second fixed plate is fixedly connected on the valve inner or by being set to the bottom
The height regulating rod of lid is fixed on the valve inner.
Further, screw hole is provided on the bottom cover, the height regulating rod passes through the screw hole and second magnetic
Property component connection.
Further, first fixed plate, second fixed plate are provided with the through-hole for gas circulation.
Further, the body wall bottom is additionally provided with multiple screw holes, and the bottom cover passes through bolt and the valve body
It is fixedly connected.
Further, the body wall bottom is additionally provided with annular groove, is additionally provided between the bottom cover and the valve body
Interference is connected to the sealing ring of the groove.
Further, the sealing element, the sealing ring are made of rubber.
Further, the valve body, the bottom cover, the height regulating rod are made of plastics；First fixed plate,
Second fixed plate is made of iron or ferroalloy.
The working principle of the utility model is as follows: rotating the height regulating rod, changes first magnet assembly and institute
The distance between second magnet assembly is stated, so that sealing element plug is sealed air inlet using the mutual repulsion of homonymous magnetic pole, works as air inlet
The pressure that the air of entrance generates is continuous and stable to be greater than between first magnet assembly and second magnet assembly
When repulsion, the sealing element is sustainable to be opened for holding the tooling that twists leg and provides air pressure that is stable and meeting the requirements；When air inlet
Air pressure is unstable, and cannot be guaranteed metal ear when being torqued into place, i.e., when the repulsion between magnet is greater than inlet pressure, magnet it
Between repulsion push rubber stopper to close air inlet, the tooling that twists leg can not work.First magnet assembly and institute are obtained in adjustment
After stating the suitable repulsion between the second magnet assembly, the height regulating rod and the bottom cover can be sealed with sealant, prevent institute
State valve body gas leakage.
A kind of check valve for the tooling mistake proofing that twists leg of the utility model, the beneficial effect is that: (1) it effectively prevent vehicle
Between internal cause air pressure drop suddenly caused by twist leg tooling turned metal ear it is not in place caused by quality problems；(2) structure is simple, main portion
Part is by plastic production, light-weight, low manufacture cost；(3) by plastics adjust bolt regulating magnet between repulsion, it can be achieved that
The control of different air pressures.
Detailed description of the invention
Fig. 1 is the valve body diagrammatic cross-section of the utility model embodiment 1；
Fig. 2 is the valve body diagrammatic cross-section of the utility model embodiment 2；
Wherein, 1- valve body, 2- bottom cover, 3- air inlet, the gas outlet 4-, the first magnet assembly of 5-, the second magnet assembly of 6-, 7-
Height regulating rod, 8- bolt, 9- sealing ring, 51- sealing element, the first fixed plate of 52-, the first magnet of 53-, the second magnet of 61-,
The second fixed plate of 62-.
Specific embodiment
The preferred embodiment of the utility model is described in detail with reference to the accompanying drawing, so that the advantages of the utility model
It is easier to be readily appreciated by one skilled in the art with feature, to make apparent define to the protection scope of the utility model.
Embodiment 1:
As shown in Figure 1, the utility model provides a kind of check valve for the tooling mistake proofing that twists leg, including downwardly open
Valve body 1 and the bottom cover 2 being tightly connected with valve body 1, valve body 1 are equipped with the air inlet 3 being connected to extraneous gas and gas outlet 4, into
The setting of port 3 is provided with the first magnet assembly 5 below the top of valve body 1, air inlet 3, and the is provided with below the first magnet assembly 5
Two magnet assemblies 6；Valve body passes through 6 mutual repulsion effect control pressure of the first magnet assembly 5 and the second magnet assembly；It is normal in air pressure
When, air inlet enters air pressure and is greater than repulsion between the first magnet assembly 5 and the second magnet assembly 6, the first magnet assembly 5 not with into
Port 3 contacts；When air pressure is too low, air inlet 3 enters air pressure less than reprimand before the first magnet assembly 5 and the second magnet assembly 6
Power, the first magnet assembly 5 get lodged in air inlet under repulsion effect, cannot be introduced into gas inside valve body 1；It realizes actively
Mistake proofing, effectively avoid air pressure it is unstable when the tooling that twists leg continue working situation.
In the present embodiment, the first magnet assembly 5 includes the first fixed plate 52, be provided at the top of the first fixed plate 52 with into
The sealing element 51 of 3 interference of port connection, 52 bottom of the first fixed plate is provided with the first magnet with 6 mutual exclusion of the second magnet assembly
53；Second magnet assembly 6 includes the second fixed plate 62, and second fixed plate 62 is fixedly arranged above with first magnet 53 mutually
Second magnet 61 of reprimand；Second fixed plate 62 is fixedly connected on inside the valve body 1；First magnet assembly 5 and the second magnetic
Property component 6 repulsion generated by the first magnet 53 and 61 mutual exclusion of the second magnet be mutually shifted, when air pressure is too small, acted in repulsion
Under, the first magnet assembly 5 is whole up to be moved, and is connected to its 51 interference of sealing element at air inlet 3.
In the present embodiment, the first fixed plate 52, the second fixed plate 62 be provided with for gas circulation through-hole, make into
Entering 1 air pressure inside of valve body can normally circulate, and finally flow out from gas outlet 4.
In the present embodiment, 1 sidewall bottom of valve body is additionally provided with multiple screw holes, and bottom cover 2 is fixed by bolt 8 and valve body 1
Connection；1 sidewall bottom of valve body is additionally provided with annular groove, and the sealing ring that interference is connected to groove is additionally provided between bottom cover 2 and valve body 1
9；The valve body 1 is tightly connected with the bottom cover 2, guarantees that valve body 1 can work normally.
In the present embodiment, the first fixed plate 52, the second fixed plate 62 are made of iron or ferroalloy；It is sealing element 51, close
Seal 9 is made of rubber；Valve body 1, bottom cover 2, height regulating rod 7 are made of plastics；Structure is simple, and main component is by modeling
Material production, light-weight, cost of manufacture bottom.
Embodiment 2:
Based on embodiment 1, the utility model additionally provides a kind of check valve for the tooling mistake proofing that twists leg, further,
As shown in Fig. 2, second fixed plate 62 is fixed on inside the valve body 1 by being set to the height regulating rod 7 of the bottom cover 2；
Screw hole is provided on the bottom cover 2, height regulating rod 7 passes through screw hole and connect with the second magnet assembly 6；Second magnet assembly 6 can
By rotating height regulating rod 7, height adjustment is carried out, to enhance or weaken between the first magnet assembly 5 and the second magnet assembly 6
Repulsion, suitable for different air pressures require the tooling that twists leg.
The embodiments of the present invention is explained in detail above in conjunction with attached drawing, but the utility model is not limited to
Above embodiment can also not depart from the utility model within the knowledge of a person skilled in the art
Various changes can be made under the premise of objective.
Claims (10)
1. a kind of check valve for the tooling mistake proofing that twists leg, which is characterized in that including downwardly open valve body (1) and with institute
The bottom cover (2) of valve body (1) sealed connection is stated, is equipped with the air inlet (3) and outlet being connected to extraneous gas inside the valve body (1)
Mouth (4), at the top of the valve body (1), air inlet (3) underside is provided with the first magnetism for air inlet (3) setting
Component (5), the first magnet assembly (5) lower section are provided with the second magnet assembly (6) with the first magnet assembly mutual exclusion；
The valve body (1) closes the air inlet by the first magnet assembly (5) and the second magnet assembly (6) mutual repulsion effect.
2. a kind of check valve for the tooling mistake proofing that twists leg according to claim 1, which is characterized in that described first is magnetic
Component (5) includes the first fixed plate (52), is provided at the top of first fixed plate (52) and is tightly connected with the air inlet (3)
Sealing element (51), the first fixed plate (52) bottom is provided with the first magnet with the second magnet assembly (6) mutual exclusion
(53).
3. a kind of check valve for the tooling mistake proofing that twists leg according to claim 2, which is characterized in that described second is magnetic
Component (6) includes the second fixed plate (62), and second fixed plate (62) is fixedly arranged above and the first magnet (53) mutual exclusion
The second magnet (61)；Second fixed plate (62) is fixedly connected on the valve body (1) inner wall or by being set to the bottom cover
(2) it is internal that height regulating rod (7) is fixed on the valve body (1).
4. a kind of check valve for the tooling mistake proofing that twists leg according to claim 3, which is characterized in that the bottom cover (2)
On be provided with screw hole, the height regulating rod (7) passes through the screw hole and connect with second magnet assembly (6).
5. a kind of check valve for the tooling mistake proofing that twists leg according to claim 4, which is characterized in that described first is fixed
Plate (52) is provided with the through-hole for gas circulation.
6. a kind of check valve for the tooling mistake proofing that twists leg according to claim 4, which is characterized in that described second is fixed
Plate (62) is provided with the through-hole for gas circulation.
7. a kind of check valve for the tooling mistake proofing that twists leg according to claim 2, which is characterized in that the valve body (1)
Sidewall bottom is additionally provided with multiple screw holes, and the bottom cover (2) is fixedly connected by bolt (8) with the valve body (1).
8. a kind of check valve for the tooling mistake proofing that twists leg according to claim 6, which is characterized in that the valve body (1)
Sidewall bottom is additionally provided with annular groove, is additionally provided with interference between the bottom cover (2) and the valve body (1) and is connected to the groove
Sealing ring (9).
9. a kind of check valve for the tooling mistake proofing that twists leg according to claim 8, which is characterized in that the sealing element
(51), the sealing ring (9) is made of rubber.
10. a kind of check valve for the tooling mistake proofing that twists leg according to claim 6, which is characterized in that the valve body
(1), the bottom cover (2), the height regulating rod (7) are made of plastics；First fixed plate (52), described second are fixed
Plate (62) is made of iron or ferroalloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821836211.9U CN209196193U (en) | 2018-11-08 | 2018-11-08 | A kind of check valve for the tooling mistake proofing that twists leg |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821836211.9U CN209196193U (en) | 2018-11-08 | 2018-11-08 | A kind of check valve for the tooling mistake proofing that twists leg |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209196193U true CN209196193U (en) | 2019-08-02 |
Family
ID=67410778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821836211.9U Active CN209196193U (en) | 2018-11-08 | 2018-11-08 | A kind of check valve for the tooling mistake proofing that twists leg |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209196193U (en) |
-
2018
- 2018-11-08 CN CN201821836211.9U patent/CN209196193U/en active Active
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| GR01 | Patent grant |