CN208635976U - A kind of solenoid valve tightness test device - Google Patents
A kind of solenoid valve tightness test device Download PDFInfo
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- CN208635976U CN208635976U CN201821152658.4U CN201821152658U CN208635976U CN 208635976 U CN208635976 U CN 208635976U CN 201821152658 U CN201821152658 U CN 201821152658U CN 208635976 U CN208635976 U CN 208635976U
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- solenoid valve
- piston bar
- cylinder
- support
- hole
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Abstract
The utility model discloses a kind of solenoid valve tightness test devices, including the first cylinder, First piston bar, support, solenoid valve fixing seat, second cylinder, connecting rod, ventilation sleeve, second piston bar, buffer head, air inlet pipe, oil groove, oil liquid, first cylinder is fixed on the top of oil groove, the First piston bar is stretched out by the downside of the first cylinder, the lower end of the First piston bar is fixedly connected with support, the support is equipped with cross through hole, the right end of the support, which is located at cross through hole, is fixed with solenoid valve fixing seat, the left end of the support is fixedly connected by connecting rod with the second cylinder, the second piston bar of second cylinder is stretched out to the right and is extended in cross through hole, the inside of the second piston bar is equipped with the centre bore of right-end openings.The utility model has the advantages that compact-sized, at low cost, reliable in action, test efficiency are high using compressed air, the air-tightness of oil liquid test solenoid valve.
Description
Technical field
The utility model relates to air tightness tester, specially a kind of solenoid valve tightness test device.
Background technique
The solenoid valve used on high-pressure oil pump is one of key components and parts of high pressure co-rail system, if total in high pressure
In rail system work process, there is oil leakage phenomenon in solenoid valve, will seriously affect the working performance of whole system, and then influences
Therefore how the stability and reliability of fuel feeding during the manufacturing of solenoid valve, check the solenoid valve in the presence of leakage,
It is problem in the urgent need to address.
Utility model content
The purpose of this utility model is to provide a kind of solenoid valve tightness test device, the air-tightness for solenoid valve is tried
It tests, has advantage sensitive, that test efficiency is high, solve the problems, such as by testing the solenoid valve checked in the presence of leakage.
To achieve the above object, the utility model provides the following technical solutions: a kind of solenoid valve tightness test device, packet
Include the first cylinder, First piston bar, support, solenoid valve fixing seat, the second cylinder, connecting rod, ventilation sleeve, second piston bar,
Buffer head, air inlet pipe, oil groove, oil liquid, first cylinder are fixed on the top of oil groove, and the First piston bar is by the first cylinder
Downside stretch out, the lower end of the First piston bar is fixedly connected with support, and the support is equipped with cross through hole, the support
Right end be located at cross through hole and be fixed with solenoid valve fixing seat, the left end of the support is solid by connecting rod and the second cylinder
Fixed connection, the second piston bar of second cylinder are stretched out to the right and are extended in cross through hole, the second piston bar it is interior
Portion is equipped with the centre bore of right-end openings, and the side wall of the second piston bar is equipped with the leading to through side wall communicated vertical with centre bore
Stomata, the outer surface of the second piston bar are equipped with the ventilation sleeve for being fixed on the second cylinder right end face, the ventilation sleeve
Right end and the outer surface of second piston bar seal, the ventilation sleeve is connected in the air inlet seat equipped with air inlet seat
There is air inlet pipe, the right end of the second piston bar, which is socketed with, to form the buffer head fitted closely with the surface of internal cavity of solenoid valve,
The buffer head is equipped with the through-hole communicated with centre bore, and oil liquid is filled in the oil groove, and the air inlet pipe, is led at air inlet seat
Stomata, centre bore and through-hole form unobstructed inlet channel.
Preferably, the end face contacted on the left of the solenoid valve fixing seat with support is equipped with the annular ditch of Motionless electromagnetic valve
Slot.
Preferably, the head exterior surface of the buffer head is the circle that can mutually fit closely with the inner cavity circular conical surface of solenoid valve
The conical surface.
Preferably, the buffer head is made of elastic material.
Preferably, the elastic material is rubber.
Compared with prior art, the beneficial effects of the utility model are as follows:
1, the utility model uses the First piston bar connecting support of the first cylinder, connects the second cylinder, electricity on the support
Magnet valve fixing seat makes support that the second cylinder, solenoid valve fixing seat and solenoid valve be driven to move up and down, and acts simple and reliable.
2, the utility model is by the centre bore in the inside of second piston bar setting right-end openings, in side wall setting in
The venthole through side wall that heart hole vertically communicates, in outer surface, setting is fixed on the ventilation sleeve of the second cylinder right end face,
And the right end for sleeve of ventilating and the outer surface of second piston bar seal, and air inlet seat are arranged on ventilation sleeve, in air inlet seat
Upper connection air inlet pipe, to form unobstructed inlet channel, it is ensured that air-tight test reliable operation.
3, the utility model is socketed with to be formed with the surface of internal cavity of solenoid valve and fit closely in the right end of second piston bar
Buffer head, and buffer head is made of rubber elastomeric material, it is ensured that is not leaked when test, and the not inner cavity of damaging electromagnetic valve
Surface.
4, the utility model has the advantages that compact-sized, at low cost, reliable in action, test efficiency are high.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the in running order structural schematic diagram of the utility model.
In figure: the first cylinder of 1-, 2- support, 3- solenoid valve fixing seat, the second cylinder of 4-, 5- connecting rod, 6- ventilation sleeve,
7- second piston bar, 8- buffer head, 9- air inlet pipe, 10- solenoid valve, 11- oil groove, 12- oil liquid, 13- First piston bar, 14- into
Tracheae seat, 21- cross through hole, 31- ring-shaped groove, 71- centre bore, 72- venthole, 81- through-hole.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1 and Fig. 2, a kind of solenoid valve tightness test device, including the first cylinder 1, First piston bar 13, branch
Seat 2, solenoid valve fixing seat 3, the second cylinder 4, connecting rod 5, ventilation sleeve 6, second piston bar 7, buffer head 8, air inlet pipe 9, oil
Slot 11, oil liquid 12, first cylinder 1 are fixed on the top of oil groove 11, the First piston bar 13 by the first cylinder 1 downside
It stretches out, the lower end of the First piston bar 13 is fixedly connected with support 2, and the support 2 is equipped with cross through hole 21, the support
2 right end, which is located at cross through hole 21, is fixed with solenoid valve fixing seat 3, and the left end of the support 2 passes through connecting rod 5 and second
Cylinder 4 is fixedly connected, and the second piston bar 7 of second cylinder 4 is stretched out to the right and extended in cross through hole 21, and described second
The inside of piston rod 7 is equipped with the centre bore 71 of right-end openings, and the side wall of the second piston bar 7 is equipped with phase vertical with centre bore 71
The logical venthole 72 through side wall, the outer surface of the second piston bar 7, which is equipped with, is fixed on the logical of 4 right end face of the second cylinder
Air-casing cylinder 6, the right end of the ventilation sleeve 6 and the outer surface of second piston bar 7 seal, and the ventilation sleeve 6 is equipped with air inlet
Tube socket 14 is connected with air inlet pipe 9 in the air inlet seat 14, and the right end of the second piston bar 7 is socketed with can be with solenoid valve 10
Surface of internal cavity form the buffer head 8 that fits closely, the buffer head 8 is equipped with the through-hole 81 communicated with centre bore 71, described
Oil liquid 12 is filled in oil groove 11, the air inlet pipe 9, air inlet seat 14, venthole 72, centre bore 71 and through-hole 81 form unobstructed
Inlet channel.
The end face that 3 left side of solenoid valve fixing seat is contacted with support 2 is equipped with the ring-shaped groove 31 of Motionless electromagnetic valve.
The head exterior surface of the buffer head 8 is the circular cone that can mutually fit closely with the inner cavity circular conical surface of solenoid valve 10
Face.
The buffer head 8 is made of elastic material.
The elastic material is rubber.
Working principle: the utility model is used to test the air-tightness of solenoid valve, airtight using the solenoid valve of the utility model
When property experimental rig, the annular ditch that is first partially placed into the flanged joint of solenoid valve 10 between solenoid valve fixing seat 3 and support 2
In slot 31, then, starts the second cylinder 4, move right second piston bar 7, second piston bar 7 drives buffer head 8 to move right
It is dynamic, until the outer conical surface of buffer head 8 withstands the surface of internal cavity of solenoid valve 10, and closely pasted with the surface of internal cavity of solenoid valve 10
It closes；At this point, the first cylinder 1 of starting, moves downward First piston bar 13, First piston bar 13 drives support 2 to move down, directly
In the oil liquid 12 for being fully immersed in oil groove 11 to solenoid valve 10；Then, 7kg/cm is passed through into air inlet pipe 92Compressed air, should
Compressed air successively passes through air inlet pipe 9, air inlet seat 14, venthole 72, centre bore 71, through-hole 81 and enters the interior of solenoid valve 10
Chamber；At this point, the oil liquid situation on 10 periphery of observable solenoid valve illustrates the electromagnetism if the periphery of solenoid valve 10 does not have bubble generation
Otherwise there is leakage there is no leakage phenomenon in valve 10, which is substandard product.Therefore, pass through the utility model
Solenoid valve tightness test device can check the air-tightness of solenoid valve 10.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of solenoid valve tightness test device, including the first cylinder (1), First piston bar (13), support (2), solenoid valve
Fixing seat (3), the second cylinder (4), connecting rod (5), ventilation sleeve (6), second piston bar (7), buffer head (8), air inlet pipe
(9), oil groove (11), oil liquid (12), it is characterised in that: first cylinder (1) is fixed on the top of oil groove (11), and described first
Piston rod (13) is stretched out by the downside of the first cylinder (1), and the lower end of the First piston bar (13) is fixedly connected with support (2),
The support (2) is equipped with cross through hole (21), and the right end of the support (2), which is located at cross through hole (21), is fixed with electromagnetism
The left end of valve fixing seat (3), the support (2) is fixedly connected by connecting rod (5) with the second cylinder (4), second cylinder
(4) second piston bar (7) is stretched out to the right and is extended in cross through hole (21), and the inside of the second piston bar (7) is equipped with
The centre bore (71) of right-end openings, the side wall of the second piston bar (7) be equipped with it is vertical with centre bore (71) communicate through side
The venthole (72) of wall, the outer surface of the second piston bar (7) are equipped with the ventilation set for being fixed on the second cylinder (4) right end face
Cylinder (6), the right end of ventilation sleeve (6) and the outer surface of second piston bar (7) seal, and the ventilation sleeve (6) is equipped with
Air inlet seat (14) is connected with air inlet pipe (9) on the air inlet seat (14), and the right end of the second piston bar (7) is socketed with
The buffer head (8) fitted closely can be formed with the surface of internal cavity of solenoid valve (10), the buffer head (8) is equipped with and centre bore
(71) through-hole (81) communicated, the oil groove (11) is interior to be filled oil liquid (12), the air inlet pipe (9), air inlet seat (14), ventilation
Hole (72), centre bore (71) and through-hole (81) form unobstructed inlet channel.
2. a kind of solenoid valve tightness test device according to claim 1, it is characterised in that: the solenoid valve fixing seat
(3) end face that left side is contacted with support (2) is equipped with the ring-shaped groove (31) of Motionless electromagnetic valve.
3. a kind of solenoid valve tightness test device according to claim 1, it is characterised in that: the buffer head (8)
Head exterior surface is the circular conical surface that can mutually fit closely with the inner cavity circular conical surface of solenoid valve (10).
4. a kind of solenoid valve tightness test device according to claim 3, it is characterised in that: the buffer head (8) is adopted
It is made of elastic material.
5. a kind of solenoid valve tightness test device according to claim 4, it is characterised in that: the elastic material is rubber
Glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821152658.4U CN208635976U (en) | 2018-07-20 | 2018-07-20 | A kind of solenoid valve tightness test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821152658.4U CN208635976U (en) | 2018-07-20 | 2018-07-20 | A kind of solenoid valve tightness test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208635976U true CN208635976U (en) | 2019-03-22 |
Family
ID=65738286
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821152658.4U Active CN208635976U (en) | 2018-07-20 | 2018-07-20 | A kind of solenoid valve tightness test device |
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| Country | Link |
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| CN (1) | CN208635976U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108680309A (en) * | 2018-07-20 | 2018-10-19 | 无锡正大轴承机械制造股份有限公司 | A kind of solenoid valve tightness test device |
-
2018
- 2018-07-20 CN CN201821152658.4U patent/CN208635976U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108680309A (en) * | 2018-07-20 | 2018-10-19 | 无锡正大轴承机械制造股份有限公司 | A kind of solenoid valve tightness test device |
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