CN206546795U - Switch head trigger mechanism and vehicle-mounted switch - Google Patents
Switch head trigger mechanism and vehicle-mounted switch Download PDFInfo
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- CN206546795U CN206546795U CN201720203786.6U CN201720203786U CN206546795U CN 206546795 U CN206546795 U CN 206546795U CN 201720203786 U CN201720203786 U CN 201720203786U CN 206546795 U CN206546795 U CN 206546795U
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- elastic component
- switch
- vehicle
- spring
- push rod
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Abstract
The utility model discloses one kind switch head trigger mechanism and vehicle-mounted switch, switch head trigger mechanism includes the push rod plunger with hollow silo, the first elastic component in hollow silo, the second elastic component being socketed with the first elastic component, the movable block abutted in push rod plunger and with the first elastic component and the second elastic component end, installed in the end block of push rod plunger end, and the expansion link being socketed through the end block and movable block and with the second elastic component；There is predetermined gap, the end of the expansion link can be moved back and forth in the first elastic component between the expansion link and movable block.Second elastic component can buffer and reduce the effect of core compressive stroke, and core does not need big stroke just to reach the operating point status requirement of customer requirement, produce big deflection so as to reduce caulking gum, improve the rubber life-span.
Description
Technical field
The utility model belongs to switching technique, especially vehicle-mounted switching technique.
Background technology
Vehicle-mounted switch is usually that motion is realized using the cooperation of elastomer structure and plastic casing.In gear arrangement
In, vehicle-mounted switch has considerable effect.The service behaviour of vehicle-mounted switch being capable of long-term safety for speed changer and vehicle
Reliably run significant.
Vehicle-mounted switch needs to work in complex situations：In high temperature, temperature of gear-shifting box up to more than 130 DEG C, and
In some cases, temperature is at subzero 40 DEG C or so, under extreme temperature, switch can safe and stable operation be directly connected to vehicle
Safety traffic；Secondly, the oil in gearbox can produce oil pressure in high temperature；Furthermore, the current margin of switch is big, reverses gear out
Powered-down stream is big, and neutral position switch electric current is small；Finally, the vibration of vehicle is larger.That is it is vehicle-mounted switch local environment temperature because
Element, electricabsorption agent and mechanical factor make it that the difficulty of its steady operation is very big.
Trigger mechanism is the important feature part of vehicle-mounted switch, and its structure directly influences vehicle-mounted switch performance.
Utility model content
Utility model purpose：A kind of switch head trigger mechanism is provided, and further provided for a kind of with the switch head
The vehicle-mounted switch of trigger mechanism, to solve at least one problem of prior art presence, improves the reliability of switch.
Technical scheme：One kind switch head trigger mechanism, including the push rod plunger with hollow silo, hold positioned at hollow
Put the first elastic component in portion, with the first elastic component be socketed the second elastic component, in push rod plunger and with the first elastic component
The movable block abutted with the second elastic component end, installed in the end block of push rod plunger end, and through the end block and activity
Block and the expansion link being socketed with the second elastic component；There is predetermined gap between the expansion link and movable block.
The end of the expansion link can be moved back and forth in the first elastic component.
In a further embodiment, first elastic component and/or the second elastic component are spring.In other embodiment
In, can also be shell fragment, such as bowl-type shell fragment.
In a further embodiment, the expansion link has inner end, center section part and outer end；Second elastic component
It is socketed on inner end and is abutted with center section part；The external diameter of the center section part is less than the internal diameter of the first elastic component, can be along the first elasticity
The axial reciprocating movement of part；The movable block is socketed on center section part, has between the side of movable block and the side wall of outer end pre-
Fixed gap.
In a further embodiment, the coefficient of elasticity of first elastic component is more than the second elastic component.In other implementations
In example, the coefficient of elasticity of the first elastic component can also be equal to the coefficient of elasticity of the second elastic component, by adjusting expansion link, movable block
Structural parameters.
The utility model also provides a kind of vehicle-mounted switch, including the switch head triggering machine described in any of the above-described embodiment
Structure.
In a further embodiment, the vehicle-mounted switch also includes vehicle-mounted switch main body portion and switch core assembly；It is described
The first holding part and the second holding part are provided with vehicle-mounted switch main body portion, switch head trigger mechanism is installed on the first appearance
Put in portion, the switch core assembly is installed in the second holding part；
The switch core assembly includes switch core motion, upper shell, the lower house being adapted to upper shell, haptic element
With caulking gum component；
The switch core motion is located in the accommodating cavity between upper shell and lower house, the rubber seal element
It is enclosed on the outside of upper shell and seals the joint gap between upper shell and lower house；One end of the haptic element extends to lower house
In, the end is provided with stationary contact.
In a further embodiment, the switch core motion includes upper cover body, the lower cover being adapted to upper cover body
Body, the movable contact spring between upper cover body and lower cover, through movable contact spring on through hole and the work fixed with upper cover body and lower cover
Lever, is sheathed on the elasticity member that on the motion bar and one end is abutted with movable contact spring, the other end is abutted with upper cover body or lower cover
Part, and it is installed on the return springs of lower cover both sides.
In a further embodiment, there is a breach on the lower cover, movable contact spring holding part, the bottom of the breach is formed
The side of portion and the bottom surface of movable contact spring, the side wall of breach and movable contact spring has concavo-convex location division.
In a further embodiment, the following side of the lower cover is symmetrically arranged with boss, and the return springs can
It is socketed on the boss；The upper lateral part of the lower cover has symmetrically arranged positioning convex, and the upper cover body is correspondingly arranged on
Positioning hole.
In a further embodiment, the haptic element includes plug-in pin and contact, and one end of the plug-in pin is convex with one
Platform, the side of the boss forms a notch part, and boss has a blind hole, and the contact grafting is fixed in blind hole；The contact
Outside positioned at plug-in pin axis.
In a further embodiment, caulking gum component includes caulking gum part and contact head；The caulking gum part
Middle part be provided with through hole, there is tubulose thickened area along the circumference of the through hole；Contact head has seal face and bar portion, the bar portion
It is connected through through hole and with gasket seal.
Beneficial effect：In the utility model, the second elastic component can buffer and reduce the effect of core compressive stroke, core
Do not need big stroke just to reach the operating point status requirement of customer requirement, big change is produced so as to reduce caulking gum
Shape amount, improves the rubber life-span.
Brief description of the drawings
Fig. 1 is the sectional view that the utility model switchs head trigger mechanism.
Fig. 2 is the front view that the utility model switchs head trigger mechanism.
Fig. 3 is the exploded view that the utility model switchs head trigger mechanism.
Fig. 4 is the structural representation that the utility model switchs core motion.
Fig. 5 is the switch core structure sectional view of the utility model embodiment one.
Fig. 6 is the switch core structure sectional view of the utility model embodiment two.
Fig. 7 is the sectional view of the vehicle-mounted Switching embodiments one of the utility model.
Fig. 8 is the sectional view of the vehicle-mounted Switching embodiments two of the utility model.
Fig. 9 is the structural representation of the utility model inserting foot.
Embodiment
In order to solve the problem of prior art is present, applicant is in depth analyzed existing various schemes, specifically
It is as follows.Applicant has found that the problem of vehicle-mounted switch easily fails is stranded for a long time after investigating and analyzing the service condition of vehicle-mounted switch
Relevant manufacturers and technical staff are disturbed, how to avoid automobile from occurring causing automobile gears because of switch failure in the process of running
Failure, improves the safety and reliability of car steering, it is to avoid casualties and property loss, are asking for current urgent need to resolve
Topic.
Therefore, applicant has carefully studied the structure and operation principle of various vehicle-mounted switches, multiple experiment mould has been carried out
Fit checking（Analysis process will be explained below）, it is found that the precompression of the switch head Single spring of existing vehicle-mounted switch is excessive,
Big with gear lever frictional force, feel has some setbacks, and operates insensitive；Meanwhile, Single spring structure can not produce smaller than core switch
Active force, it is impossible to produce the effect of small stroke, and then caulking gum easily produces sports fatigue, different clients product versatility compared with
Difference.That is, the structure of existing vehicle-mounted switch make it that its frictional force is larger, operation more has some setbacks；While this structure
So that caulking gum is easier abrasion, its service life is reduced.
Such as existing vehicle-mounted switch one includes push rod plunger, head briquetting and head pressure spring, and above-mentioned part is installed on
In housing, the two ends of head pressure spring are connected in push rod plunger and on the briquetting of head respectively.In this vehicle-mounted switch, by
It is separation assembling in part, it adds difficulty to the assembling of caulking gum, reduces efficiency.Simultaneously, it is even more important that
Because head pressure spring is bigger than core spring, otherwise push rod occurs that core spring is also uncompressed during pushing, head
Portion's compression spring just has begun to deformation, causes switch parameter unstable.In this vehicle-mounted switch, the compression distance of caulking gum
Can not be smaller, easy fracture by fatigue.Single spring line footpath is big and decrement is big, is easily caused spring fatigue fracture.Finally, the structure
Head pressed for outer side make when, head is more easily damaged, influence switch life-span.
Existing vehicle-mounted switch two includes the two ends difference of push rod plunger, compression spring and movable holddown, wherein compression spring
Movable holddown and push rod plunger are connected to, rivets and fixes between push rod plunger and movable holddown, form an entirety.In this car
It in load switch, can not equally reduce the compression distance of caulking gum, reduce the fatigue of rubber；Same Single spring line footpath is big and compresses
Amount is big, is easily caused spring fatigue fracture；In addition, with riveting face as positioning datum, the bad control of parameter, riveting method
Entire length accurate size is controlled also difficult.
Existing vehicle-mounted switch three includes the interior push rod plunger of outer push rod plunger, suit in outer push rod plunger, and pressure
Spring, expansion link and pad, the two ends of compression spring are connected on interior push rod plunger and expansion link respectively.In the vehicle-mounted switch
In, the deformation distance of caulking gum can not be equally reduced, rubber fatigue is prevented.Same Single spring line footpath is big and decrement is big, holds
It is easily caused spring fatigue fracture.Outer push rod plunger is used to bear lateral pressure, and interior push rod plunger is used for fixation pressure spring, push rod
Plunger head inclined-plane needs carbo-nitriding to handle, it is impossible to for riveting, that is to say, that can not be by the way that inside and outside push rod plunger is integrated
Into a part, it is impossible to cost-effective.
Therefore, applicant proposed solution below：
As shown in Figure 1, Figure 2 and Figure 3, the utility model devises a kind of switch head trigger mechanism.It mainly includes top
Roofbolt plug 101, the first elastic component 102, the second elastic component 103, movable block 105, end block 106 and expansion link 104.As shown in figure 1,
Push rod plunger body is hollow, forms push rod accommodating cavity, and the first elastic component and the second elastic component are socketed and be contained in the accommodating cavity,
The inner of push rod accommodating cavity has the contraction flow region 101a to axial direction, and the end of the second elastic component can be abutted with the contraction flow region；First
The end of elastic component can be connected to the inner 101b of push rod accommodating cavity.Movable block is arranged on the open end of push rod accommodating cavity, activity
The length sum of block and the first elastic component or the second elastic component is approximately equal to the depth of push rod accommodating cavity（Diverse location, depth is not
Together）.
In this embodiment, the length of the second elastic component is more than the length of the first elastic component, in other embodiments, can be with
The length of expansion link is adjusted as needed, and the length of the second elastic component is equally likely to or less than the length of the first elastic component.Top
The outer surface of roofbolt plug is provided with two annular reliefs.Expansion link has waney three sections, respectively inner end 104a, stage casing
Portion 104b and outer end 104c.
The inner end of expansion link is plugged in the second elastic component, and center section part is plugged in the through hole on movable block, and stage casing
The external diameter in portion is less than the internal diameter of the first elastic component, and expansion link can be moved back and forth along the inside of the first elastic component.End block is fixedly connected
In the end of push rod plunger, for closing the element in push rod accommodating cavity.Between expansion link and movable block（Movable block in other words
Between side and the side wall of outer end）With predetermined gap.In the preferred case, the first elastic component and the second elastic component are bullet
Spring, naturally it is also possible to be other kinds of elastic component, such as shell fragment.In other embodiments, end block can also be arranged on push rod
The inner side of plunger, is not limited herein.
Push rod plunger is moved downward by externally operated switch lever side force or directly to power effect generation, because in the second elastic component
Under effect, there is predetermined gap between original state expansion link and movable block（Such as 0.5mm or other numerical value）, because small pressure
Spring pressure is much smaller than core back-moving spring again, and push rod plunger down moves preset distance（0.5mm or other numerical value）Process
Middle core contact head remains stationary state.
Therefore, the utility model can effectively reduce switch core compressive total kilometres, be produced greatly so as to reduce caulking gum
Deflection, improve the rubber life-span.That is, switching the structure of head trigger mechanism by improving, switch core pressure is reduced
Contracting total kilometres, and then extend the service life of rubber seal and switch.Of course, it is possible to by improving other parts in switch
Structure extends the service life of switch.The utility model provides a solution and thinking.
In a further embodiment, the second elastic component can be socketed in the outside of the first elastic component, the end of expansion link
It is hollow, it is socketed with push rod plunger and the second elastic component, i.e., the end of expansion link forms cavity structure, with the second bullet can be abutted
Property part position, such as it is raised.In a upper embodiment, the outside that end face is located at expansion link, in this embodiment, abutment end are abutted
Face is located at the inner side of expansion link.Which, i.e. the second elastic component be located at the first elastic component on the outside of scheme, can also realize with it is above-mentioned
The effect of embodiment, solves corresponding technical problem.Equally, using shell fragment, for example the mode of bowl-type shell fragment can also realize compression
The effect of stroke.
In a further embodiment, the connected mode of end block and push rod plunger can also use other modes, such as by end
Block is arranged on the inner side of push rod plunger, and nonessential socket or the outside for being riveted on push rod plunger.
In a further embodiment, the coefficient of elasticity of the first elastic component is more than the second elastic component.It is new from this practicality is solved
For the problem of type angle, the restriction of coefficient of elasticity is not necessary, and the coefficient of elasticity of the second elastic component can also be equal to first
The coefficient of elasticity of elastic component.By adjusting structural parameters, the mode such as the gap between control movable block and expansion link
Solve this problem.From the angle of vehicle-mounted switch overall work, superior technique effect can be obtained by limiting coefficient of elasticity.I.e.
The coefficient of elasticity of two elastic components is less than the coefficient of the coefficient of elasticity of two returning springs in parallel, the second elastic component and the first elastic component
Sum is more than the coefficient of elasticity of two returning springs in parallel.
Because the second elastic component is much smaller than core dual spring power（Returning spring）, the second elastic component, which is played, buffers and reduces core
Portion's compression travel effect, core does not need big stroke just to reach the operating point status requirement of customer requirement.Because the first bullet
Property part be much larger than core dual spring power（Returning spring）, the first elastic component plays reinforcing effect and increasing total kilometres are acted on, simultaneously
Second elastic component can also play the power of supplement big spring, so as to reduce the first elastic component line footpath and reduction length, improve first
Elastic component mechanical life, while the one the second elastic components are complementary to one another, produce different force value so as to obtain the different triggering stages and make
With meeting different clients demand, improve switch life, versatility is stronger.
In a still further embodiment, the utility model further provides for a kind of vehicle-mounted switch.The vehicle-mounted switch has
Above-mentioned switch head trigger mechanism.In addition, in a further embodiment, the vehicle-mounted switch also includes vehicle-mounted switch main body
Portion 10 and switch core assembly；The first holding part and the second holding part, the triggering of switch head are provided with vehicle-mounted switch main body portion
Mechanism is installed in the first holding part, and the switch core assembly is installed in the second holding part.Vehicle-mounted switch main body portion is main
For a housing, switch head trigger mechanism and switch core assembly are installed therein.Wherein, switch core assembly mainly includes opening
Close core motion, upper shell 209, the lower house 207 being adapted to upper shell, haptic element 3 and caulking gum component.In finished product
In, one end of expansion link 104 is abutted with contact head 402.
It was found from Fig. 5 is into Fig. 8, either open type switch or closed type switch, its basic structure be it is consistent, its
The main distinction is the relative position of movable contact spring and static contact, and buffer spring position.Two groups of implementations from Fig. 5 to Fig. 8
In example, the difference of both structures can be clearly seen that.
As illustrated, switch core motion is located in the accommodating cavity between upper shell and lower house, rubber seal group
Part
It is enclosed on the outside of upper shell and seals the joint gap between upper shell and lower house；One end of haptic element extends to lower casing
In body, the end is provided with stationary contact.Seal plug 5 is provided with below lower house.
Switch core motion is described in detail with reference to Fig. 4, as can be seen from Figure 4, switch core motion mainly includes upper
Lid 201, lower cover 202, motion bar 203, flexible member 204, movable contact spring 205 and return springs 206.
Wherein, upper cover body has hollow boss portion, and upper cover body both sides are symmetrically arranged with positioning hole, and the inner side of upper cover body has
The positioning hole or positioning convex/groove being adapted to spring and motion bar.Positioning convex is symmetrically arranged with the upside of lower cover, is passed through
Positioning convex and positioning hole connection upper cover body and lower cover.Motion bar, movable contact spring and flexible member（Buffer spring）It is arranged at
Between lid and lower cover, motion bar positioning hole is provided with upper cover body and lower cover, the two ends of motion bar are plugged in wherein, delayed
Rush spring to be socketed on motion bar, one end of buffer spring is connected on the inside of upper cover body or lower cover, and the other end is connected to dynamic
On contact.Movable contact is respectively fixed with the two-arm of movable contact spring.Movable span is provided with the middle part of movable contact spring, motion bar may pass through this
Hole.
The inner side of lower cover, for example, be provided with raised or sunken portion, the bottom of movable contact spring and side wall on side wall and bottom wall
Depressions or protrusions portion is correspondingly arranged on, the scope of activities of movable contact spring is limited by way of male-female engagement, movable contact spring fortune is improved
Dynamic stability.The exterior bottom of lower cover is symmetrically arranged with boss, and return springs are fixed by socket on the boss.
Using boss come retaining spring, make spring position more precisely reliable, it is to avoid spring acts directly on sheet metal, keeps away
Exempt from because spring is in compression process, movable contact spring movement or dislocation, the influence that contact of its spring force to sound contact is powered.Avoid
Spring fatigue, while readily satisfying the requirement of different clients switch motion power.
Lid uses split-type structural up and down, is easy to put buffer spring and alignment pin, so that overall dimensions are compacter,
Core interior space is reduced, model versatility is more preferably；Movable contact spring and spring assembling accurate positioning, it is to avoid movable contact spring or spring are because shaking
It is dynamic to cause dislocation or obscission, improve production efficiency, positioning precision and movable contact spring reliability.Kept using buffer spring to dynamic
The pressure of contact, one is easy for contact adjusting flexibility between sound contact, and two be work when can reduce active and static contact contact
Firmly, the life-span of extension sound contact.
Finally, using motion bar, buffer spring and movable contact spring, play and protect movable contact spring not caused deformation by the effect of too external force
Or caused loose contact is slided in position.Switch can be made accurate in vibration and motion conditions lower spring and movable contact spring position, weight
Multiple operation precision is high.
As shown in Fig. 5 to Fig. 8, haptic element includes plug-in pin 301 and contact 302, and one end of the plug-in pin has a boss,
The side of the boss forms a notch part, and boss has a blind hole, and the contact grafting is fixed in blind hole；Contact, which is located at, to be patched
The outside of pin axis.In other words, contact to away from inserting foot axis direction.When two inserting foots are arranged in lower house
When, the relative part of notch part forms the accommodation space of an expansion, in order to other elements installation and hold, be that this can be with
Reduce the overall volume of switch.
As shown in Fig. 5 to figure, caulking gum component includes caulking gum part 401 and contact head 402；The caulking gum part
Middle part be provided with through hole, there is tubulose thickened area 401b along the circumference of the through hole, pass through the region and the edge of rubber seal
Form dual-seal；Contact head has seal face and bar portion, and the bar portion is connected through through hole and with gasket seal.Contact head
For metal contact.Contact head is interference fitted with rubber seal formation.First is formed between seal face and caulking gum part close
Envelope portion, forms the second sealing between bar portion and caulking gum part, the 3rd is formed between gasket seal and caulking gum part and is sealed
Portion.First, form three-layer sealed by the mode such as interference fit and riveting, solve the problems such as prior art oil leak is failed.More
For importantly, in this structure, the contact head of expansion link and metallic hits, without being contacted with rubber seal, therefore rubber
The service life of glue seal is longer, more difficult generation fracture by fatigue.
The course of work of the present utility model is as follows：
1. push rod plunger is moved downward by externally operated switch lever side force or directly to power effect generation, because in small pressure bullet
Spring（Second elastic component）Under effect, there are 0.5mm gaps between original state expansion link and movable block, because small compression spring pressure
It is much smaller than back-moving spring again, push rod plunger down contact head remains stationary state during 0.5mm.
2. continuing when push rod plunger motion is more than 0.5mm in down motion process, now expansion link connects with movable block
Touch, big compression spring（First elastic component）Function to, but because big compression spring+small compression spring is bigger than return spring force
Much, movable block is remained stationary as with respect to push rod plunger, and now head springs pressure promotes contact head to drive mass activity bar assembly
Down move, when two silver contacts of movable contact spring component are contacted with normally opened quiet two silver contacts of pin component, now switch is powered, and moves
The relatively normally opened stationary contact remains stationary state of contact assemblies, but mass activity bar assembly（In addition to movable contact spring）It may proceed to down move
It can just stop until contacting normally opened plastic feet with motion bar lower cover, stop in this movable contact spring stop motion to mass activity component
Down in motion process, motion bar compression deformation of the spring protects movable contact spring not deformed or position movement by the effect of head power.
3. when mass activity bar assembly stop motion, push rod plunger continues down to move, now the big compression spring in head
+ small compression spring starts compression and to the last stopped.Gap is 0.5mm in this embodiment, in other embodiments, should
Gap width can be other numerical value.
Preferred embodiment of the present utility model described in detail above, still, the utility model is not limited to above-mentioned reality
The detail in mode is applied, in range of the technology design of the present utility model, the technical solution of the utility model can be entered
The a variety of equivalents of row, these equivalents belong to protection domain of the present utility model.It is further to note that above-mentioned
Each particular technique feature described in embodiment, in the case of reconcilable, can pass through any suitable side
Formula is combined.In order to avoid unnecessary repetition, the utility model no longer separately illustrates to various possible combinations.
Claims (10)
1. one kind switch head trigger mechanism, it is characterised in that including the push rod plunger with hollow silo, hold positioned at hollow
Put the first elastic component in portion, with the first elastic component be socketed the second elastic component, in push rod plunger and with the first elastic component
The movable block abutted with the second elastic component end, installed in the end block of push rod plunger end, and through the end block and activity
Block and the expansion link being socketed with the second elastic component；There is predetermined gap between the expansion link and movable block.
2. head trigger mechanism is switched as claimed in claim 1, it is characterised in that first elastic component and/or the second bullet
Property part be spring.
3. head trigger mechanism is switched as claimed in claim 1, it is characterised in that the coefficient of elasticity of first elastic component is big
In the second elastic component.
4. the switch head trigger mechanism as described in claim 1,2 or 3, it is characterised in that the expansion link have inner end,
Center section part and outer end；Second elastic component is socketed on inner end and abutted with center section part；The external diameter of the center section part is less than
The internal diameter of first elastic component, can be moved along the axial reciprocating of the first elastic component；The movable block is socketed on center section part, movable block
There is predetermined gap between side and the side wall of outer end.
5. a kind of vehicle-mounted switch, it is characterised in that including the switch head trigger mechanism described in any one of Claims 1-4.
6. vehicle-mounted switch as claimed in claim 5, it is characterised in that also including vehicle-mounted switch main body portion and switch core set
Part；The first holding part and the second holding part are provided with the vehicle-mounted switch main body portion, switch head trigger mechanism is installed
In the first holding part, the switch core assembly is installed in the second holding part；
The switch core assembly includes switch core motion, upper shell, the lower house being adapted to upper shell, haptic element and close
Seal rubber assembly；The switch core motion is located in the accommodating cavity between upper shell and lower house, the rubber seal
Assembly set is on the outside of upper shell and seals the joint gap between upper shell and lower house；One end of the haptic element extends to lower casing
In body, the end is provided with stationary contact.
7. vehicle-mounted switch as claimed in claim 6, it is characterised in that the switch core motion includes upper cover body, with
Upper cover body adaptation lower cover, the movable contact spring between upper cover body and lower cover, through movable contact spring on through hole and and upper cover body
The motion bar fixed with lower cover, be sheathed on the motion bar and one end abutted with movable contact spring, the other end and upper cover body or under
The flexible member that lid is abutted, and it is installed on the return springs of lower cover both sides.
8. vehicle-mounted switch as claimed in claim 7, it is characterised in that have a breach on the lower cover, forms movable contact spring
The side of holding part, the bottom of the breach and the bottom surface of movable contact spring, the side wall of breach and movable contact spring has concavo-convex location division.
9. vehicle-mounted switch as claimed in claim 7, it is characterised in that the following side of the lower cover is symmetrically arranged with boss,
The return springs can be socketed on the boss；The upper lateral part of the lower cover has symmetrically arranged positioning convex, described
Upper cover body is correspondingly arranged on positioning hole.
10. vehicle-mounted switch as claimed in claim 6, it is characterised in that caulking gum component includes caulking gum part and contact
Head；Through hole is provided with the middle part of the caulking gum part, there is tubulose thickened area along the circumference of the through hole；Contact head has sealed end
Face and bar portion, the bar portion are connected through through hole and with gasket seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720203786.6U CN206546795U (en) | 2017-03-03 | 2017-03-03 | Switch head trigger mechanism and vehicle-mounted switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720203786.6U CN206546795U (en) | 2017-03-03 | 2017-03-03 | Switch head trigger mechanism and vehicle-mounted switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206546795U true CN206546795U (en) | 2017-10-10 |
Family
ID=59995509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720203786.6U Withdrawn - After Issue CN206546795U (en) | 2017-03-03 | 2017-03-03 | Switch head trigger mechanism and vehicle-mounted switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206546795U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106816335A (en) * | 2017-03-03 | 2017-06-09 | 漳州聚安美电气科技有限公司 | Switch head trigger mechanism and vehicle-mounted switch |
| CN110405499A (en) * | 2019-07-08 | 2019-11-05 | 苏州名匠阀门设备有限公司 | Valve positioning tool and valve processing method |
-
2017
- 2017-03-03 CN CN201720203786.6U patent/CN206546795U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106816335A (en) * | 2017-03-03 | 2017-06-09 | 漳州聚安美电气科技有限公司 | Switch head trigger mechanism and vehicle-mounted switch |
| CN106816335B (en) * | 2017-03-03 | 2019-08-02 | 漳州聚安美电气科技有限公司 | Switch head trigger mechanism and vehicle-mounted switch |
| CN110405499A (en) * | 2019-07-08 | 2019-11-05 | 苏州名匠阀门设备有限公司 | Valve positioning tool and valve processing method |
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