CN208805357U - A kind of pressure switch fatigue life test fixture - Google Patents
A kind of pressure switch fatigue life test fixture Download PDFInfo
- Publication number
- CN208805357U CN208805357U CN201821709458.4U CN201821709458U CN208805357U CN 208805357 U CN208805357 U CN 208805357U CN 201821709458 U CN201821709458 U CN 201821709458U CN 208805357 U CN208805357 U CN 208805357U
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- pressure switch
- valve
- pressure
- fatigue life
- switch
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Abstract
The utility model belongs to a kind of pressure switch fatigue life test fixture of pressure switch quality detection device technical field, pressure reducing valve including workbench and setting on the table, throttle valve, solenoid valve, power switch, unloading valve, quick gripping mechanism, hand-operated valve, pressure gauge, counter, solenoid valve and counter are electrically connected with power switch, pressure reducing valve, throttle valve, solenoid valve passes sequentially through tracheae and is connected, the tracheae of electromagnetic valve outlet is divided into two-way through threeway pipe nipple, it is connected all the way with pressure switch, another way is sequentially communicated pressure gauge, hand-operated valve and unloading valve, unloading valve is connected in pressure switch, pressure switch is fixed on quick gripping mechanism, counter is electrically connected with pressure switch.The utility model for carrying out experiment detection to the fatigue life of pressure switch, have the advantages that structure be simple and convenient to operate, detect it is accurate.
Description
Technical field
The utility model belongs to pressure switch quality detection device technical field more particularly to a kind of pressure switch tired longevity
Order test fixture.
Background technique
Pressure switch is a kind of when acting on pressure thereon and reaching specified value, and connection disconnects or connection is connected
A kind of switch, pressure switch can be divided into electronic pressure switch and mechanical pressure switch according to working principle again, wherein machine
Tool formula pressure switch with its technology maturation, at low cost, is widely used in all trades and professions again.
In order to guarantee the quality of finished product, now need to carry out experiment detection to its fatigue life before pressure switch is dispatched from the factory.
Utility model content
In order to solve the problems, such as to mention in background technique, the utility model provides a kind of pressure switch fatigue life experiment work
Dress, pressure reducing valve, throttle valve, solenoid valve, power switch, unloading valve, quick clamping including workbench and setting on the table
Device, hand-operated valve, pressure gauge, counter, solenoid valve and counter are electrically connected with power switch, pressure reducing valve, throttle valve, electromagnetism
Valve passes sequentially through tracheae and is connected, and the tracheae of electromagnetic valve outlet is divided into two-way through threeway pipe nipple, is connected all the way with pressure switch,
Another way is sequentially communicated pressure gauge, hand-operated valve and unloading valve, and unloading valve is connected in pressure switch, and pressure switch is fixed on quickly
On gripping mechanism, counter is electrically connected with pressure switch.
Above-mentioned pressure switch fatigue life test fixture, power switch are electrically connected with external power supply, pressure reducing valve air inlet
It is connected with external compression air manifold road, gas outlet transtracheal is sequentially communicated throttle valve and solenoid valve, solenoid valve outlet
Pipe is divided into two-way through threeway pipe nipple, is connected to pressure switch all the way, and another way is successively connected to through pressure gauge, hand-operated valve with unloading valve,
Unloading valve is connected in pressure switch, when system pressure reaches the upper limit of pressure switch, pressure switch disconnect, disconnection it is same
When, the spool of unloading valve is pushed, unloading valve starts to lose heart, and the pressure of pressure switch declines therewith, when pressure drops to lower limit,
Pressure switch closure, off-load valve core return seat, complete primary experiment, and then pressure switch air pressure rises again, make pressure again
Switch disconnects, and unloading valve loses heart again, carries out this course of work to recycle.The every closure of pressure switch is primary, counter counts
Number is primary, when the numerical value that counter is shown no longer changes, the maximum actuation number of pressure switch has just been obtained, to realize
Detection is tested to fatigue life of pressure switch, have the advantages that structure be simple and convenient to operate, detect it is accurate.
Preferably, quick gripping mechanism includes pedestal, pillar, locking platform and the promotion connecting rod machine being arranged on locking platform
Structure, pillar are connected to the rear end of pedestal, and locking platform is connected to the top of pillar, push the front end of link mechanism is hingedly angled can
The front end of the swing connecting bar of tune, swing connecting bar is connected with compression module.Quick gripping mechanism is used to carry out pressure switch quick
It is fixed, it is easy to operate.
Preferably, the promotion link mechanism includes operation handle, suspension connecting rod, linkage connecting plate and fixed block, fixed block
It is connected on locking platform, the rear end of swing connecting bar is equipped with upper and lower two hinge holes, and the hinge hole of upper end is articulated with outstanding by pin shaft
Connecting rod front end is set, the hinge hole of lower end is articulated with the front end of fixed block by pin shaft, suspends top and the manipulator of rod rear end
Handle is connected, and for lower hinge in the upper end of linkage connecting plate, the lower end for the connecting plate that links is articulated with the rear end of fixed block.
Preferably, compression module is bolted in the front end of swing connecting bar, and compression module is equipped with can above and below multiple
The hold-down head of tune.Hold-down head is switched for clamping and compaction pressure.
Preferably, the air inlet module of pressure switch, the air inlet and electromagnetic valve outlet of air inlet module are additionally provided on pedestal
Tracheae be connected, air inlet module is connected for gas nozzle with pressure switch inlet end.Air inlet module is primarily to conveniently make
Tracheae high-speed communication pressure switch improves working efficiency, and plays a supporting role to pressure switch.
The working principle of the utility model is, when air pressure reaches the upper limit in pressure switch, pressure switch is disconnected, and makes off-load
Valve loses heart, and when air pressure is lower than the lower limit of pressure switch, pressure switch closure, off-load valve core returns seat, air pressure in pressure switch
Again rise, and then recycle and carry out the course of work.The every movement of pressure switch is primary, and counter counts once, works as pressure switch
It is not reoperated when fatigue life reaches capacity, the numerical value on counter no longer changes, and has just tested out the tired of pressure switch at this time
The labor service life, quick gripping mechanism be according to the dead point fastening in four-bar linkage in double rocking lever construction machine mechanics,
Under the driving of operation handle, suspension connecting rod driving swing connecting bar is driven quickly to adjust the position of compression module, pressure is opened in realization
The quick fixation closed.
The utility model further includes the other components that can make pressure switch fatigue life test fixture normal use, is
Ordinary skill in the art means.In addition, it is normal in this field not add the device limited or component to be all made of in the utility model
Advise technological means.
The utility model has the beneficial effects that realizing the detection of the experiment to pressure switch fatigue life, there is structure letter
Advantage single, easy to operate, detection is accurate.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is the overall structure diagram of the utility model pressure switch fatigue life test fixture.
Fig. 2 is the quick clamping apparatus structure schematic diagram of the utility model pressure switch fatigue life test fixture.
In figure: 1. pressure reducing valves, 2. throttle valves, 3. solenoid valves, 4. quick gripping mechanisms, 4-1. pedestal, 4-2. pillar, 4-3.
Lock platform, 4-4. fixed block, 4-5. linkage connecting plate, 4-6. operation handle, 4-7. suspension connecting rod, 4-8. swing connecting bar, 4-9. pressure
Tight module, 4-10. air inlet module, 5. power switches, 6. counters, 7. pressure switches, 8. unloading valves, 9. pressure gauges, 10. manually
Valve, 11. workbench.
Specific embodiment
Below with reference in the utility model embodiment attached drawing and specific embodiment to the utility model carry out clearly
Description, description here is used merely to explain the utility model, but is not intended to limit the scope of the present invention.Based on this reality
With the embodiment in novel, those skilled in the art's every other implementation obtained without making creative work
Example, any modification, equivalent substitution, improvement and etc. done should be included within the scope of protection of this utility model.
Embodiment
As shown in Figs. 1-2, the utility model provides a kind of pressure switch fatigue life test fixture, including workbench 11
With pressure reducing valve 1, throttle valve 2, solenoid valve 3, power switch 5, unloading valve 8, the quick gripping mechanism 4, hand of setting on the table
Dynamic valve 10, pressure gauge 9, counter 6, solenoid valve 3 and counter 6 are electrically connected with power switch, pressure reducing valve 1, throttle valve 2, electricity
Magnet valve 3 passes sequentially through tracheae and is connected, solenoid valve 3 export tracheae be divided into two-way through threeway pipe nipple, all the way with 7 phase of pressure switch
Connection, another way are sequentially communicated pressure gauge 9, hand-operated valve 10 and unloading valve 8, and unloading valve 8 is connected in pressure switch 7, and pressure is opened
It closes 7 to be fixed on quick gripping mechanism 4, counter 6 is electrically connected with pressure switch 7.
Above-mentioned pressure switch fatigue life test fixture, power switch 5 are electrically connected with external power supply, 1 air inlet of pressure reducing valve
Mouth is connected with external compression air manifold road, and gas outlet transtracheal is sequentially communicated throttle valve 2 and solenoid valve 3, solenoid valve 3
Escape pipe be divided into two-way through threeway pipe nipple, be connected to pressure switch 7 all the way, another way successively through pressure gauge 9, hand-operated valve 10 and unloads
Lotus valve 8 is connected to, and unloading valve 8 is connected in pressure switch 7, and pressure switch 7 is under gas pressure, when air pressure reaches pressure switch 7
The upper limit when, pressure switch 7 disconnects, and while disconnection, pushes the spool of unloading valve 8, unloading valve 8 starts to lose heart, pressure switch 7
Pressure decline therewith, when pressure drops to lower limit, pressure switch 7 is closed, and the spool of unloading valve 8 returns seat, is completed primary real
Test, then the air pressure of pressure switch 7 rises again, again disconnects pressure switch 7, and unloading valve 8 loses heart again, thus recycle into
This course of work of row.The every movement of pressure switch 7 is primary, and counter 6 counts once, when the numerical value that counter 6 is shown no longer becomes
When change, the maximum actuation number of pressure switch 7 has just been obtained, so that the detection of the experiment to 7 fatigue life of pressure switch is realized,
Have the advantages that structure be simple and convenient to operate, detect it is accurate.
The quick gripping mechanism 4 includes pedestal 4-1, pillar 4-2, locking platform 4-3 and pushing away on locking platform 4-3 is arranged in
Dynamic link mechanism, pillar 4-2 are connected to the rear end of pedestal 4-1, and locking platform 4-3 is connected to the top of pillar 4-2, pushes connecting rod machine
The front end of structure is hinged with the swing connecting bar 4-8 of adjustable angle, and the front end of swing connecting bar 4-8 is connected with compression module 4-9.Rapid card
Tight device 4 is easy to operate for quickly being fixed to pressure switch 7.
The promotion link mechanism includes operation handle 4-6, suspension connecting rod 4-7, link connecting plate 4-5 and fixed block 4-4, Gu
Determine block 4-4 to be connected on locking platform 4-3, the rear end of swing connecting bar 4-8 is equipped with upper and lower two hinge holes, and the hinge hole of upper end passes through
Pin shaft is articulated with the front end of suspension connecting rod 4-7, and the hinge hole of lower end is articulated with the front end of fixed block 4-4 by pin shaft, and suspension connects
The top of the rear end bar 4-7 is connected with operation handle 4-6, and lower hinge links connecting plate 4-5's in the upper end of linkage connecting plate 4-5
Lower end is articulated with the rear end of fixed block 4-4.
The compression module 4-9 is bolted in the front end of swing connecting bar 4-8, and compression module 4-9 is equipped with multiple
Upper and lower adjustable hold-down head.Hold-down head is used for clamping and compaction pressure switch 7.
The air inlet module 4-10 of pressure switch 7, the air inlet and electricity of air inlet module 4-10 are additionally provided on the pedestal 4-1
The tracheae that magnet valve 3 exports is connected, and air inlet module 4-10's is connected for gas nozzle with the inlet end of pressure switch 7.Air inlet module
4-10 improves working efficiency primarily to conveniently make tracheae high-speed communication pressure switch 7, and plays support to pressure switch 7
Effect.
The working principle of the utility model is, when air pressure reaches the upper limit in pressure switch 7, pressure switch 7 is disconnected, and makes to unload
Lotus valve 8 loses heart, and when air pressure is lower than the lower limit of pressure switch 7, pressure switch 7 is closed, and the spool of unloading valve 8 returns seat, and pressure is opened
It closes air pressure in 7 to rise again, so that circulation carries out the course of work.The every movement of pressure switch 7 is primary, and counter 6 counts once,
It is not reoperated when reaching capacity the fatigue life of pressure switch 7, the numerical value on counter 6 no longer changes, and just tests out at this time
The fatigue life of pressure switch 7, quick gripping mechanism 4 are according in four-bar linkage in double rocking lever construction machine mechanics
Dead point fastening drives suspension connecting rod 4-7 driving swing connecting bar 4-8 quickly to adjust compression under the driving of operation handle 4-6
The quick fixation to pressure switch 7 is realized in the position of module 4-9.
The embodiments of the present invention are described above, above description is exemplary, and non-exclusive, and
It is also not necessarily limited to disclosed embodiment.Without departing from the scope and spirit of illustrated embodiment, this technology is led
Many modifications and changes are obvious for the those of ordinary skill in domain.
Claims (5)
1. a kind of pressure switch fatigue life test fixture, it is characterised in that: including workbench and setting subtracting on the table
Pressure valve, throttle valve, solenoid valve, power switch, unloading valve, quick gripping mechanism, hand-operated valve, pressure gauge, counter, solenoid valve and
Counter is electrically connected with power switch, and pressure reducing valve, throttle valve, solenoid valve pass sequentially through tracheae and be connected, electromagnetic valve outlet
Tracheae is divided into two-way through threeway pipe nipple, is connected all the way with pressure switch, and another way is sequentially communicated pressure gauge, hand-operated valve and off-load
Valve, unloading valve are connected in pressure switch, and pressure switch is fixed on quick gripping mechanism, and counter is electrically connected with pressure switch
It connects.
2. pressure switch fatigue life test fixture according to claim 1, it is characterised in that: quickly gripping mechanism includes
Pedestal, pillar, locking platform and the promotion link mechanism being arranged on locking platform, pillar are connected to the rear end of pedestal, and locking platform connects
Connect the swing connecting bar for pushing the front end of link mechanism to be hinged with adjustable angle on the top of pillar, the front end connection of swing connecting bar
There is compression module.
3. pressure switch fatigue life test fixture according to claim 2, it is characterised in that: the promotion link mechanism
Including operation handle, suspension connecting rod, linkage connecting plate and fixed block, fixed block is connected on locking platform, and the rear end of swing connecting bar is set
There are two hinge holes up and down, the hinge hole of upper end is articulated with suspension connecting rod front end by pin shaft, and the hinge hole of lower end passes through pin shaft
It is articulated with the front end of fixed block, the top for suspending rod rear end is connected with operation handle, and lower hinge is upper in linkage connecting plate
End, the lower end for the connecting plate that links is articulated with the rear end of fixed block.
4. pressure switch fatigue life test fixture according to claim 2 or 3, it is characterised in that: compression module passes through
It is bolted to the front end of swing connecting bar, compression module is equipped with multiple adjustable hold-down heads up and down.
5. pressure switch fatigue life test fixture according to claim 4, it is characterised in that: be additionally provided with pressure on pedestal
The air inlet module of power switch, the air inlet of air inlet module is connected with the tracheae of electromagnetic valve outlet, air inlet module for gas nozzle with
Pressure switch inlet end is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821709458.4U CN208805357U (en) | 2018-10-22 | 2018-10-22 | A kind of pressure switch fatigue life test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821709458.4U CN208805357U (en) | 2018-10-22 | 2018-10-22 | A kind of pressure switch fatigue life test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208805357U true CN208805357U (en) | 2019-04-30 |
Family
ID=66239163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821709458.4U Active CN208805357U (en) | 2018-10-22 | 2018-10-22 | A kind of pressure switch fatigue life test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208805357U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114397102A (en) * | 2022-01-10 | 2022-04-26 | 深圳市佳迈自动化股份有限公司 | Aging detection device for pressure switch |
-
2018
- 2018-10-22 CN CN201821709458.4U patent/CN208805357U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114397102A (en) * | 2022-01-10 | 2022-04-26 | 深圳市佳迈自动化股份有限公司 | Aging detection device for pressure switch |
| CN114397102B (en) * | 2022-01-10 | 2023-12-19 | 深圳市佳迈自动化股份有限公司 | Pressure switch aging detection device |
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