CN206609551U - Pressure sensor - Google Patents
Pressure sensor Download PDFInfo
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- CN206609551U CN206609551U CN201621181557.0U CN201621181557U CN206609551U CN 206609551 U CN206609551 U CN 206609551U CN 201621181557 U CN201621181557 U CN 201621181557U CN 206609551 U CN206609551 U CN 206609551U
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- pressure sensor
- spring
- shift knob
- straight tube
- cavity volume
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Abstract
The utility model discloses a kind of pressure sensor, including top cover；Straight tube, it is arranged on the outer surface of the top cover, the straight tube upper end is provided with printed circuit board (PCB), and hit bucket switch, the bucket switch that hits includes shift knob, button spring, spring plate and quiet shell fragment, the shift knob drives spring plate to move by inclined ramp so that the movable contact is contacted or separated with the stationary contact.The utility model will not only hit bucket switch and be arranged in the straight tube and printed circuit board (PCB) of pressure sensor inside, avoid to set on housing and hit the process that bucket switch needs change shell to mold, and the folding direction of spring plate is vertical with the direction of motion of shift knob, switch, closed action are completed by bevel friction power, make capacity between shell fragment, the power that is hit is small, it is to avoid is stressed directly the shell fragment flexibility decrease that impact is led to, causes switch motion to be failed.
Description
Technical field
The utility model is related to a kind of pressure sensor, and in particular to it is a kind of be installed on the electric equipments such as washing machine it is same
When the detectable pressure sensor for hitting barrel signal.
Background technology
The water level information sensed using level sensor in electrical equipment of the household electrical appliance such as current washing machine.In addition, laundry
Machine also need to detect washing machine inner tub hit the life of a barrel signal, i.e. washing machine inner tub joyous movable property to be radially offset from stroke excessive, surmount
When hitting pike pole, by hitting the movement of pike pole, microswitch is triggered so that microswitch is closed, a barrel signal is hit in generation, is started to electricity
Road plate.
In the prior art, it is level sensor mostly and hits barrel signal detection two independent modules are set respectively, even if has
Bucket detection microswitch will be hit and level sensor is set together, be also that will hit bucket detection microswitch to be arranged on shell,
This structure setting, which needs to redesign level sensor shell, to be molded.In addition also need to avoid microswitch from being stressed directly punching
The shell fragment flexibility decrease being led to is hit, so as to cause switch motion to be failed.
Utility model content
One of the purpose of this utility model is to provide a kind of carry and hits barrel a pressure sensor for signal detection switch, specific skill
Art scheme is as follows：
A kind of pressure sensor, including：Top cover；Straight tube, is arranged on the outer surface of the top cover, and the straight tube upper end is provided with
Printed circuit board (PCB), in addition to：Bucket switch is hit, the bucket switch that hits includes shift knob, button spring, spring plate and quiet shell fragment,
Wherein；The shift knob is arranged on by the button spring on the top of the straight tube, and can be pumped；It is described
Shift knob side is provided with inclined ramp；Described spring plate one end is fixed on the printed circuit board (PCB) upper surface, the other end and institute
State inclined ramp to be in contact, the spring plate is provided with movable contact；The quiet shell fragment is arranged on the printed circuit board (PCB) upper surface,
And provided with stationary contact；When pressing or discharging the shift knob, the inclined ramp drives the spring plate motion so that described
Movable contact is contacted or separated with the stationary contact.
Pressure sensor as previously described, it is shown hit bucket switch and include hit a barrel on-off circuit；The movable contact and quiet
It is described to hit bucket switch and hit a barrel signal by hitting the output of barrel on-off circuit during contact.
Pressure sensor as previously described, the direction of motion of the shift knob and the radial direction of the spring plate are hung down
It is straight or substantially vertical.
Pressure sensor as previously described, the shift knob is arranged on the printing in vertical or generally vertical direction
Circuit board upper surface；The spring plate is arranged on the printed circuit board (PCB) upper surface in level or general horizontal direction.
Pressure sensor as previously described, in addition to：Bottom, the top cover is arranged on the bottom, and described
Fastened between top cover and bottom and form a cavity volume；Vibrating diaphragm, is arranged between the top cover and bottom, and the cavity volume is separated into
Upper cavity volume and lower cavity volume；The vibrating diaphragm includes a support plate, has vertically been set up in the upper surface of the support plate
One mounting bar；Magnetic core, the magnetic core is set on the mounting bar, and is arranged on the support panel surface.
Pressure sensor as previously described, the straight tube is provided with content cavity, and the content cavity is connected with the upper cavity volume
Logical, the content cavity accommodates the magnetic core and does the reciprocating motion for passing in and out the content cavity wherein.
Pressure sensor as previously described, set screw is provided with the upper end of the content cavity, the set screw
Cylinder is installed provided with upper end spring in lower end；Cylinder is installed provided with lower end spring in the center of the mounting bar；In the content cavity
Provided with working spring, the lower end of working spring supports branch and installs cylinder in the lower end spring, and branch is supported upper in the upper end of working spring
Spring is held to install on cylinder, the elastic force for providing confrontation vibrating diaphragm.
Pressure sensor as previously described, in the content cavity side, wall is provided with upper spiracle；Set on described in cavity volume
There is lower spiracle；The upper spiracle and lower spiracle are used for the upper exhaust for holding intracavity gas so that in the upper cavity volume
Pressure be connected with ambient pressure.
Pressure sensor as previously described, in addition to：The straight tube outer wall is arranged with coil, and the magnetic core shakes with described
Film is moved so that the coil produces the induced signal of change.
Pressure sensor as previously described, in addition to：Housing, the housing is fastened on above the bottom, and with institute
State bottom and fasten the shell to form the pressure sensor, the parts such as the top cover, straight tube and printed circuit board (PCB) are accommodated it
In.
Pressure sensor as previously described, the end face of the housing opens up hole, the end of the shift knob from
Described hole stretches out.
Pressure sensor as previously described, the inner walls are extended downwardly provided with guide groove, the shift knob
Middle part is arranged to lead, and the lead is moved in the guide groove；
The cross section of the lead is adapted with the guide groove cross section of inboard wall, reduces the shift knob described
Radially wobbling when being moved in guide groove.
Pressure sensor as previously described, straight tube top upper surface is provided with jack, the bottom of the shift knob
It is arranged to guide rod, the guide rod is moved in the jack, when the reduction shift knob is moved in the guide groove
Radially wobble.
Pressure sensor as previously described, the shift knob agent structure is hollow spring cavity volume, and in spring
Provided with the first downward spring mounting post at the top of cavity volume；On the top of the straight tube provided with corresponding second spring mounting post；
The button spring is contained in the spring cavity volume, and one end is fixed in the first spring mounting post, and the other end is solid
It is scheduled in the second spring mounting post.
Pressure sensor as previously described, the case inside is provided with a circle waterproof rib, the waterproof rib and the top
Lid laminating, for preventing water from the space entered between the housing and top cover.
Pressure sensor as previously described, the hull outside is provided with line jack, for the pressure sensor
The input and output of circuit signal；The line jack is provided with the buckle that can be bent, and the buckle is connected with circumscription socket；
Barricade is provided with the side of the buckle, is broken for preventing the buckle bending amplitude excessive.
Pressure sensor as previously described, in the hull outside along around line jack, adaptable is provided with
Many places waterwall, for preventing water from immersing the line jack, is led to that electrical contact is bad.
Pressure sensor as previously described, the movable contact and the stationary contact material are silver or silver alloy.
The utility model will not only hit bucket switch and be arranged in the straight tube and printed circuit board (PCB) of pressure sensor inside, it is to avoid
Set on housing and hit bucket switch and need to change the process of shell die sinking, and by the folding direction of spring plate and shift knob
The direction of motion it is vertical, switch, closed action are completed by bevel friction power, make capacity between shell fragment, the power that is hit is small, it is to avoid
The shell fragment flexibility decrease that impact is led to is stressed directly, causes switch motion to be failed.The sound contact of switch uses silver point, with can
The conductive and heat-conductive ability leaned on.Case inside is provided with a circle waterproof rib, and waterproof rib fits with top cover, for preventing water from entering shell
Space between body and top cover, strengthens the water resistance of sensor.
Brief description of the drawings
Fig. 1 is the three-dimensional appearance schematic diagram of the utility model pressure sensor；
Fig. 2 is Fig. 1 structure sectional view (focusing on display pressure sensing portion)；
Fig. 3 A are Fig. 1 structure sectional view (representation and hit a barrel switch sections)；
Fig. 3 B are the enlarged drawing of part A in Fig. 3 A；
Fig. 4 hits a barrel switch sections schematic perspective view for the top cover upper end of pressure sensor；
Fig. 5 A, Fig. 5 B are the state diagram for hitting bucket switch opening and closing；
Fig. 6 is the three-dimensional appearance schematic diagram (structure of display line jack) of pressure sensor.
Embodiment
Various embodiments of the present utility model are carried out below with reference to the accompanying drawing for constituting this specification part
Description.Although it should be understood that in the utility model using represent direction term, such as "front", "rear", " on ",
" under ", the description such as "left", "right" various example features and element of the present utility model, but herein using these terms only
It is purpose for convenience of explanation, is determined based on the example orientations shown in accompanying drawing.Due to disclosed in the utility model
Embodiment can be set according to different directions, so these represent that the term in direction is intended only as illustrating and should not be considered as limit
System.In the conceived case, the identical or similar reference used in the utility model refers to identical part.
Fig. 1 is the three-dimensional appearance schematic diagram of the utility model pressure sensor；
As shown in figure 1, pressure sensor 100 is in compact flat structure, including outer rigid housing 101.Outer rigid housing 101
Outside, side side wall is provided with line jack 120；Bottom is provided with the joint 102 of pressure sensor 100, required for for connecting
Sense liquid.The top of outer rigid housing 101 is provided with the visible shift knob 105 stretched out from hole 103 in hole 103, figure.
The internal structure of outer rigid housing 101 is shown in Fig. 2,3A.
Fig. 2 is Fig. 1 structure sectional view (focusing on display pressure sensor part)；
As shown in Fig. 2 including the top cover 201 and bottom of rigid structure inside the shell 101 of pressure sensor 100
202, top cover 201 and bottom 202, top cover 201 are arranged on bottom 202 and mutually fastened, and form a cavity volume；Include one in cavity volume
Vibrating diaphragm 210, is arranged between top cover 201 and bottom 202, and cavity volume is separated into upper cavity volume 215 and lower cavity volume 216, and film 210 is pair
It is present in the deformable film of the hydraulic sensitive in the lower cavity volume 216 of pressure sensor 100.
The structure of vibrating diaphragm 210 includes a support plate 212, thin to having extended around in the horizontal direction in support plate edge end
Skin 213, thin skin 213 is circular arc；Dividing plate 219 is nested with the upper surface of support plate 212, dividing plate 219 is vertically upward
Provided with a mounting bar 214, the upper surface level of support plate 212 is arranged with a magnetic core 218, the bottom of magnetic core 218 on mounting bar 214
Portion is seated in the upper horizontal surface of dividing plate 219.
The structure of vibrating diaphragm 210 also includes a sealing strip along 230, and sealing strip extends along 230 from the edge of thin skin 213, surrounds
In the surrounding of thin skin 213, sealing strip is provided with top groove 231 in the top of vibrating diaphragm 210 along 230, bottom is provided with below vibrating diaphragm 210
Portion's groove 232.
Pressure sensor 100 further comprises straight tube 240, and straight tube 240 is arranged on the outer surface of top cover 201.Straight tube is provided with
Content cavity 241, the content cavity 241 of straight tube 240 is connected with upper cavity volume 215 so that enough accommodate magnetic core 218 do wherein into
Go out the motion of content cavity 241.
Set screw 260 is provided with the upper end of content cavity 241, circle is installed in the lower end of set screw 260 provided with upper end spring
Post 261；Cylinder 262 is installed provided with lower end spring in the center of mounting bar 214；Working spring 242, work are provided with content cavity 241
The lower end for making spring 242 is against on the lower end spring installation cylinder 262 of mounting bar 214, and the upper end of working spring 242 is supported branch and existed
There is provided the elastic force of confrontation vibrating diaphragm 210 on the spring installation cylinder 261 of upper end；Coil 251, line are enclosed with the periphery of straight tube 240
Circle 251 is used for the change for sensing magnetic field when magnetic core 218 is moved.
Upper spiracle 271 is provided with the side wall of content cavity 241；Lower spiracle 272 is provided with the upper madial wall of cavity volume 215；On exhale
Sucker 271 and lower spiracle 272 are used for the exhaust of gas in upper cavity volume 215.After set screw 260, which is installed, fixes, tune is turned
Mounting bar 214 is adjusted section screw 260, after the completion of regulation, can play fixing glue sealing in set screw 260, hereafter adjust
Not air guide is closed at screw 260.So need in the perforate air guide of content cavity 241, can just make vibrating diaphragm 210 and magnetic core 218 normal by
Cavity volume 216 air pressure change is acted under opposite side, otherwise level sensor cisco unity malfunction.So, upper spiracle 271 is exhaled with
Sucker 272 causes the pressure in upper cavity volume 215 to be connected with ambient pressure.So that, it is always environmental stress in upper cavity volume 215；
Lower cavity volume 216 is connected to the cylinder of household electrical appliance to measure the liquid level of cylinder by joint 102.
Fig. 3 A are Fig. 1 structure sectional view (representation and hit a barrel switch sections)；Fig. 3 B are the enlarged drawing of part A in Fig. 3 A.
As shown in Figure 3A, the upper end of straight tube 240 is provided with horizontally disposed printed circuit board (PCB) 310, and straight tube 240 is provided with and hits bucket
Switch, hitting bucket switch includes shift knob 105, button spring 313, spring plate 314 and quiet shell fragment 315 (see Fig. 4)；And for example 3B
Shown in enlarged drawing, the upper surface of straight tube 240 is provided with jack 311, and the bottom of shift knob 105 is arranged to guide rod 316, guide rod
316 are inserted in activity in jack 311.Had been shown in Fig. 1, the top end face of housing 101 opens up hole 103, shift knob
105 end is stretched out from hole 103.The whole top and bottom of shift knob 105 are respectively by the hole 103 and straight tube of housing 101
240 jack 311 is limited, make its can only do above and below motion, with as far as possible reduce radial direction swing.
The agent structure of shift knob 105 is hollow spring cavity volume 320, and is provided with the first bullet at the top of spring cavity volume 320
Spring mounting post 321；Button spring 313 is contained in spring cavity volume 320, and upper end is fixed in the first spring mounting post 321.
Second spring mounting post 322 also is provided with straight tube 240, the lower end of button spring 313 is fixed on second spring mounting post 322.
The button spring 313 that shift knob 105 is fixed by upper and lower side is movably arranged in straight tube 240, and can be past up and down
Multiple motion；The side of shift knob 105 is provided with inclined ramp 317, and the moved end of spring plate 314 is ridden upon in inclined ramp 317, tilts
Inclined-plane 317 can drive the side-to-side movement of the moved end of spring plate 314 with the up and down motion of shift knob 105.
In addition, the inwall of housing 101 is extended downwardly provided with guide groove 340, the middle part of shift knob 105 is arranged to lead
341, cross section and the cross section of inboard wall of guide groove 340 of lead 341 are adapted, and lead 341 is moved in guide groove 340
When, radially wobbling when shift knob 105 is moved in guide groove 340 can be reduced.
As shown in Figure 3A, the inner side of housing 101 is fitted with top cover 201, is used for provided with a circle waterproof rib 350, waterproof rib 350
Prevent water from the space entered between housing 101 and top cover 201 so that the water resistance of pressure sensor 100 significantly strengthens.
Fig. 4 hits a barrel switch sections schematic perspective view for the top cover upper end of pressure sensor；
As shown in figure 4, the near-end of spring plate 314 is fixed on the upper surface of printed circuit board (PCB) 310, distally with shift knob 105
Inclined ramp 317 be in contact, the middle part of spring plate 314 is provided with movable contact 401.Quiet shell fragment 315 is arranged on printed circuit board (PCB) 310
Upper surface, and provided with stationary contact 402.Movable contact 401 and the material of stationary contact 402 are silver or silver alloy, are led with strengthening its conduction
Hot property.When the distal end of spring plate 314 is moved with inclined ramp 317, the main body of spring plate 314 can be swung in the horizontal plane so that
Movable contact 401 is contacted or separated with stationary contact 402.When pressing shift knob 105, inclined ramp 317 drives spring plate 317 to transport
Dynamic, movable contact 401 and stationary contact 402 are contacted.Bucket switch is hit to include and hit a barrel on-off circuit；Movable contact 401 and stationary contact 402 connect
When touching, bucket switch is hit by hitting barrel on-off circuit output and hits a barrel signal.Spring plate 314 and quiet shell fragment 315 use PCB welding techniques
Welding is arranged on printed circuit board (PCB) 310, improves its technical process control ability, it is ensured that product quality.
Figure 4, it is seen that the direction of motion of shift knob 105 is set in vertical or generally vertical direction, spring plate
The 314 parallel or substantially parallel direction of radial direction is set so that the direction of motion of shift knob 105 and the radial direction of shell fragment 314
Direction is vertical or substantially vertical.This orthogonal impact that can be designed so that spring plate 314 by shift knob 105
Power F reduces, impulsive force F=μ × FN, wherein FNFor the direct impulsive force produced for inclined ramp 317 to spring plate 314, μ is FN
The gradation factor that impulsive force is decomposed on the inclined-plane of inclined ramp 317, μ ＜ 1 so that F ＜ FN, reduce spring plate 314 by
Impulsive force so that the use crash rate of spring plate 314 lowers, and improves and switchs reliable and stable contact life.
Fig. 5 A, 5B are the state diagram for hitting bucket switch opening and closing；
As shown in Figure 5A, the top of housing 101 of pressure sensor 100 is hit pike pole 500 with a L-type and contacted, and hits pike pole 500 and has
There are horizontal galianconism 502 and vertical long-armed 505, and can be rotated along axle 501, axle 501 is provided with torsion spring (not depending on going out).Torsion spring
Hit pike pole 500 and do rotate counterclockwise, force and hit the galianconism 502 of pike pole 500 and be in contact with the top of shift knob 105.Normally
During state, galianconism 502 is oppressed on the top of shift knob 105, and shift knob 105 is urged into compressive state, movable contact 401
Closed with stationary contact 402, hit barrel on-off circuit and be in channel status.
As shown in Figure 5 B, swing excessive when hitting bucket, when hitting a barrel power F1 Transverse Impacts and hitting long-armed the 505 of pike pole 500, overcome torsion
The torsion of spring so that hit pike pole 500 and turn clockwise, galianconism 502 oppresses the distress resolves of shift knob 105, and switch is pressed
Button 105 is protruding under the elastic force effect of button spring 313, as it was noted above, inclined ramp 317 pushes spring plate 314 open,
Movable contact 401 and stationary contact 402 are separated, and are hit a barrel on-off circuit and are off, and are hit a barrel on-off circuit signal and are sent.
Fig. 6 is the three-dimensional appearance schematic diagram (structure of display line jack) of pressure sensor.
As shown in fig. 6, the outside of housing 101 of pressure sensor 100 is provided with line jack 120, for pressure sensor
The input and output of circuit signal；Line jack 120 is provided with the buckle 601 that can be bent, and buckle 601 and circumscription socket are (not
Depending on going out) it is connected.When pulling up or inserting circumscription socket, buckle 601 can be deformed upon, it is necessary to break when particularly pulling up circumscription socket
Dynamic buckle 601 is deformed upon.To prevent excessive two fracture of the deformation of buckle 601, barricade 602 is provided with the side of buckle 601.Barricade
602 buckles 601, can reduce the probability being just broken in swapping process of buckle 601, strengthen the reliability of pressure sensor 100
Energy.
Outside the housing 101 along around line jack 120, adaptable is provided with many places waterwall 620,621,
622,623, for preventing water from immersing the line jack 120, it is led to that electrical contact is bad.
Although the utility model will be described for the embodiment shown in refer to the attached drawing, but it is to be understood that
Under the spirit and scope and background instructed without departing substantially from the utility model, pressure sensor of the present utility model can have many changes
Change form.Art technology those of ordinary skill will additionally appreciate different modes to change reality disclosed in the utility model
The parameter in example is applied, is each fallen within the utility model and spirit and scope by the claims.
Claims (18)
1. a kind of pressure sensor (100), including
Top cover (201)；
Straight tube (240), is arranged on the outer surface of the top cover (201), and straight tube (240) upper end is provided with printed circuit board (PCB)
(310), it is characterised in that also include：
Bucket switch is hit, the bucket switch that hits includes shift knob (105), button spring (313), spring plate (314) and quiet shell fragment
(315), wherein；
The shift knob (105) is arranged on the top of the straight tube (240) by the button spring (313), and can on
Lower to move back and forth, shift knob (105) side is provided with inclined ramp (317)；
Described spring plate (314) one end is fixed on the printed circuit board (PCB) (310) upper surface, the other end and the inclined ramp
(317) it is in contact, the spring plate (314) is provided with movable contact (401)；
The quiet shell fragment (315) is arranged on the printed circuit board (PCB) (310) upper surface, and provided with stationary contact (402)；
When pressing or discharging the shift knob (105), the inclined ramp (317) drives spring plate (314) motion, makes
The movable contact (401) is obtained to contact or separate with the stationary contact (402).
2. pressure sensor (100) as claimed in claim 1, it is characterised in that：
The shown bucket switch that hits includes and hits a barrel on-off circuit；
When the movable contact (401) and stationary contact (402) contact, it is described hit bucket switch and hit bucket by hitting the output of barrel on-off circuit believe
Number.
3. pressure sensor (100) as claimed in claim 1, it is characterised in that：
The direction of motion of the shift knob (105) is vertical or substantially vertical with the radial direction of the spring plate (314).
4. pressure sensor (100) as claimed in claim 3, it is characterised in that：
The shift knob (105) is arranged on the printed circuit board (PCB) (310) upper surface in vertical or generally vertical direction；
The spring plate (314) is arranged on the printed circuit board (PCB) (310) upper surface in level or general horizontal direction.
5. pressure sensor (100) as claimed in claim 1, it is characterised in that also include：
Bottom (202), the top cover (201) is arranged on the bottom (202), and in the top cover (201) and bottom (202)
Between fasten formed a cavity volume；
Vibrating diaphragm (210), is arranged between the top cover (201) and bottom (202), and the cavity volume is separated into upper cavity volume (215)
With lower cavity volume (216)；The vibrating diaphragm (210) includes a support plate (212), in the upper surface of the support plate (212) along vertical
Direction has set up a mounting bar (214)；
Magnetic core (218), the magnetic core (218) is set on the mounting bar (214), and is arranged in the support plate (212)
Surface.
6. pressure sensor (100) as claimed in claim 5, it is characterised in that：
The straight tube (240) is provided with content cavity (241), and the content cavity (241) is connected with the upper cavity volume (215), described
Content cavity (241) accommodates the magnetic core (218) and does the reciprocating motion for passing in and out the content cavity (241) wherein.
7. pressure sensor (100) as claimed in claim 6, it is characterised in that：
Set screw (260) is provided with the upper end of the content cavity (241), the lower end of the set screw (260) is provided with upper end
Spring installs cylinder (261)；
Cylinder (262) is installed provided with lower end spring in the center of the mounting bar (214)；
Working spring (242) is provided with the content cavity (241), branch is supported in the lower end bullet in the lower end of working spring (242)
Spring installs cylinder (262), and the upper end of working spring (242) is supported branch and installed in upper end spring on cylinder (261), for providing confrontation
The elastic force of vibrating diaphragm (210).
8. pressure sensor (100) as claimed in claim 6, it is characterised in that：
In the content cavity (241) side, wall is provided with upper spiracle (271)；
Lower spiracle (272) is provided with cavity volume (215) on described；
The upper spiracle (271) and lower spiracle (272) are used for the exhaust of the interior gas of the upper cavity volume (215) so that described
Pressure in upper cavity volume (215) is connected with ambient pressure.
9. pressure sensor (100) as claimed in claim 6, it is characterised in that also include：
Straight tube (240) outer wall is arranged with coil (251), and the magnetic core (218) is moved with the vibrating diaphragm (210) so that institute
State the induced signal that coil (251) produces change.
10. pressure sensor (100) as claimed in claim 5, it is characterised in that also include：
Housing (101), the housing (101) is fastened on above the bottom (202), and fastens formation with the bottom (202)
The shell of the pressure sensor (100), by parts such as the top cover (201), straight tube (240) and printed circuit board (PCB)s (310)
Accommodate wherein.
11. pressure sensor (100) as claimed in claim 10, it is characterised in that：
The end face of the housing (101) opens up hole (103), and the end of the shift knob (105) is from described hole (103)
Stretch out.
12. pressure sensor (100) as claimed in claim 10, it is characterised in that：
Housing (101) inwall is extended downwardly provided with guide groove (340), is arranged to lead in the middle part of the shift knob (105)
To post (341), the lead (341) is moved in the guide groove (340)；
The cross section of the lead (341) is adapted with the guide groove (340) cross section of inboard wall, reduces the shift knob
(105) radially wobbling when being moved in the guide groove (340).
13. pressure sensor (100) as claimed in claim 12, it is characterised in that：
Straight tube (240) the top upper surface is provided with jack (311), and the bottom of the shift knob (105) is arranged to guide rod
(316), the guide rod (316) is moved in the jack (311), reduces the shift knob (105) in the guide groove
(340) radially wobbling when being moved in.
14. pressure sensor (100) as claimed in claim 1, it is characterised in that：
Shift knob (105) agent structure is hollow spring cavity volume (320), and is provided with the top of spring cavity volume (320)
The first downward spring mounting post (321)；
On the top of the straight tube (240) provided with corresponding second spring mounting post (322)
The button spring (313) is contained in the spring cavity volume (320), and one end is fixed on first spring and installed
On post (321), the other end is fixed on the second spring mounting post (322).
15. pressure sensor (100) as claimed in claim 10, it is characterised in that：
Provided with a circle waterproof rib (350) on the inside of the housing (101), the waterproof rib (350) is fitted with the top cover (201),
For preventing water from the space entered between the housing (101) and top cover (201).
16. pressure sensor (100) as claimed in claim 10, it is characterised in that：
Line jack (120) is provided with the outside of the housing (101), for the pressure sensor (100) circuit signal it is defeated
Enter and export；
The line jack (120) is provided with the buckle (601) that can be bent, and the buckle (601) is connected with circumscription socket；
Barricade (602) is provided with the side of the buckle (601), for preventing the buckle (601) bending amplitude excessive and disconnected
Split.
17. pressure sensor (100) as claimed in claim 16, it is characterised in that：
Outside along the housing (101) around the line jack (120), it is adaptable be provided with many places waterwall (620,
621,622,623), for preventing water from immersing the line jack (120), it is led to that electrical contact is bad.
18. pressure sensor (100) as claimed in claim 2, it is characterised in that：
The movable contact (401) and the stationary contact (402) material are silver or silver alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621181557.0U CN206609551U (en) | 2016-11-02 | 2016-11-02 | Pressure sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621181557.0U CN206609551U (en) | 2016-11-02 | 2016-11-02 | Pressure sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206609551U true CN206609551U (en) | 2017-11-03 |
Family
ID=60170860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621181557.0U Active CN206609551U (en) | 2016-11-02 | 2016-11-02 | Pressure sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206609551U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113825323A (en) * | 2021-09-08 | 2021-12-21 | 西安睿高测控技术有限公司 | Axial impact overload resistant micro sensor and manufacturing method thereof |
-
2016
- 2016-11-02 CN CN201621181557.0U patent/CN206609551U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113825323A (en) * | 2021-09-08 | 2021-12-21 | 西安睿高测控技术有限公司 | Axial impact overload resistant micro sensor and manufacturing method thereof |
| CN113825323B (en) * | 2021-09-08 | 2024-04-05 | 西安睿高测控技术有限公司 | Axial impact overload resistance micro sensor and manufacturing method thereof |
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