CN207441530U - A kind of dust-proof microswitch - Google Patents
A kind of dust-proof microswitch Download PDFInfo
- Publication number
- CN207441530U CN207441530U CN201721408720.7U CN201721408720U CN207441530U CN 207441530 U CN207441530 U CN 207441530U CN 201721408720 U CN201721408720 U CN 201721408720U CN 207441530 U CN207441530 U CN 207441530U
- Authority
- CN
- China
- Prior art keywords
- dust
- housing
- proof
- pedestal
- cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Switch Cases, Indication, And Locking (AREA)
Abstract
The utility model discloses a kind of dust-proof microswitches, including housing department, contact portion, driving section and portion of terminal, housing department includes housing and pedestal, portion of terminal includes the normally closed terminal, normally opened terminal and the support terminals that are arranged on pedestal, driving section includes button, tension spring and reed, contact portion includes stationary contact and movable contact, housing is equipped with the driving hole with button cooperation, button includes cylinder, is arranged on the locating part of cylinder one end and is arranged on the dust-proof back-off of the cylinder other end, and the annular groove with dust-proof back-off cooperation is equipped within one week along driving hole on housing.Coordinated using dust-proof back-off with annular groove, make to form the gap continuously bent between button and housing, compared to linear gap, dust granules are more difficult to enter enclosure interior by the gap of bending.
Description
Technical field
The utility model is related to a kind of microswitch, more particularly to a kind of dust-proof microswitch.
Background technology
Microswitch is that have small contact separation and snap-action mechanism, and it is dynamic to carry out switch with defined stroke and defined power
The contact mechanism of work, because the contact spacing of its switch is smaller, therefore named microswitch is called sensitive switch.
At present, the Chinese patent document that Authorization Notice No. is CN202384225U in the prior art discloses a kind of dust-proof micro-
Dynamic switch, is arranged at including housing and its interior tension spring, movable contact spring, stationary contact, movable contact, tension spring on stent and by by keying
System, tension spring are connected with movable contact spring, and normally closed terminal and normally opened terminal inner end are respectively arranged with and contact or divide with movable contact on movable contact spring
From stationary contact, compressing tension spring is moved down by button, tension spring drives movable contact spring, movable contact and normally open end on movable contact spring
The stationary contact point contact conducting of son, after the downward force of button disappears, tension spring resets, the movable contact on movable contact spring just with normally closed terminal
Stationary contact point contact.The outer end of stent, normally closed terminal and normally opened terminal extends respectively to form wire connection terminal, and terminals outside housing
Son fills out envelope marine glue to prevent dust granules from entering in housing with housing through hole junction, switchs beautiful through dispensing rear surface
The defects of sight, no leak adhesive, glue is not dry, poor bonding strength.
But since button needs to carry out small movements back and forth, the connection between button and housing is not tight
Close, the gap that dust granules can be between button and housing is entered in housing, is unable to reach preferable dust-proof effect.
Utility model content
The purpose of this utility model is to provide a kind of dust-proof microswitch, have it is simple in structure, prevent dust granules from by
Gap between key and housing enters the in vivo effect of shell.
The above-mentioned technical purpose of the utility model technical scheme is that：
A kind of dust-proof microswitch, including housing department, contact portion, driving section and portion of terminal, the housing department includes housing
With pedestal, the portion of terminal includes the normally closed terminal, normally opened terminal and the support terminals that are arranged on pedestal, and the driving section includes
Button, tension spring and reed, the contact portion include stationary contact and movable contact, and the housing is equipped with the transmission with button cooperation
Hole, the button include cylinder, are arranged on the locating part of cylinder one end and are arranged on the dust-proof back-off of the cylinder other end, the shell
On body the annular groove with dust-proof back-off cooperation is equipped within one week along driving hole.
By using above-mentioned technical proposal, coordinated using dust-proof back-off with annular groove, make the company of being formed between button and housing
The gap of continuous bending, compared to linear gap, dust granules are more difficult to enter enclosure interior by the gap of bending.
The utility model is further arranged to：The dust-proof back-off, which is cylindrical in shape, tips upside down on cylindrical end portions, the dust-proof back-off
Clamping gap is equipped between column side wall, annular thin wall is formed between the annular groove and driving hole.
By using above-mentioned technical proposal, annular thin wall link gap while dust-proof back-off embedded annular groove
It is interior, make to form the continuous triple gaps bent and direction is opposite between button and housing, dust granules is effectively prevented to pass through triple
Gap enters enclosure interior.
The utility model is further arranged to：The dust-proof back-off and cylinder releasable connection, the locating part are connected to shell
Dust-proof back-off is still embedded in annular groove when on internal wall.
By using above-mentioned technical proposal, when cylinder is entered from housing bottom opening in driving hole, then outside housing
Dust-proof back-off is mounted at the top of cylinder by side, and movement of the button in driving hole is made to be limited be subject to the displacement of upper/lower terminal, is prevented
Dust-proof back-off abjection from annular groove makes dust granules take advantage of the occasion to enter.
The utility model is further arranged to：The dust-proof back-off bottom is equipped with fixed link, and the fixed boom end is equipped with
Cam, the cylinder are equipped with the mounting hole with fixed link cooperation towards the end of dust-proof back-off.
By using above-mentioned technical proposal, after cylinder is embedded in driving hole, the cam in fixed link is aligned and is caught in solid
Determine in hole, dust-proof back-off is made to be fixedly connected from hull outside and cylinder.
The utility model is further arranged to：It is consistent with the opening direction of driving hole that the locating part is equipped with length direction
The first gib block, the inner walls be equipped with the first gib block cooperation the first guide groove.
It, can be to locating part into line position when the first gib block is into the first guide groove by using above-mentioned technical proposal
Limitation is moved, so that button can only be moved along driving hole extending direction.
The utility model is further arranged to：The base side wall is equipped with length direction and pedestal and housing installation direction
The second consistent gib block, the inner walls are equipped with the second guide groove with the cooperation of the second gib block.
By using above-mentioned technical proposal, when the opening of the second gib block alignment the second guiding trench bottom is gone forward side by side fashionable, make
Pedestal can be connected along the second guide groove with housing, achieve the effect that be easily installed.
The utility model is further arranged to：The pedestal is equipped with several buckles, and the inner walls are equipped with and card
The card slot that snap fit is closed.
By using above-mentioned technical proposal, using engaging of the buckle with card slot, strengthen the fixed effect between housing and pedestal
Fruit.
The utility model is further arranged to：The pedestal be equipped with portion of terminal cooperation stomidium, the normally closed terminal,
Normally opened terminal is equipped with the connector that can pass through stomidium with support terminals bottom, and the base bottom is equipped in stomidium position and fills out
Glue groove.
By using above-mentioned technical proposal, marine glue is filled in filler slot, connector and bottom are strengthened using marine glue
Bonding strength between seat, and achieved the effect that seal stomidium.
In conclusion the beneficial effects of the utility model are：
1st, by setting dust-proof back-off on cylinder, and annular groove is set on driving hole, when the embedded annular of dust-proof back-off
While slot in annular thin wall link gap, make to form the continuous triple seams bent and direction is opposite between button and housing
Gap effectively prevents dust granules from entering enclosure interior by triple gaps；
2nd, by setting filler slot in stomidium position in base bottom, marine glue is filled in filler slot, utilizes marine glue
The bonding strength between connector and pedestal is strengthened, and has achieved the effect that seal stomidium.
Description of the drawings
Fig. 1 is the structural blast schematic diagram of the present embodiment；
Fig. 2 is pedestal and the structure diagram of portion of terminal in the present embodiment；
Fig. 3 is the schematic cross-sectional view of this implementation；
Fig. 4 is the structure diagram of the present embodiment middle casing and pedestal；
Fig. 5 is enlarged drawing at A in Fig. 3.
Reference numeral：1st, housing department；2nd, contact portion；3rd, driving section；4th, portion of terminal；5th, housing；6th, pedestal；7th, normal-closed end
Son；8th, normally opened terminal；9th, support terminals；10th, button；11st, tension spring；12nd, reed；13rd, movable contact；14th, normally closed stationary contact；15、
Normally opened stationary contact；16th, stomidium；17th, connector；18th, filler slot；19th, branch slot；20th, driving hole；21st, cylinder；22nd, locating part；
23rd, dust-proof back-off；24th, annular groove；25th, annular thin wall；26th, the first gib block；27th, guide pad；28th, the first guide groove；29th,
Two gib blocks；30th, the second guide groove；31st, fixed link；32nd, cam；33rd, mounting hole；34th, it is buckled；35th, card slot.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Present embodiment discloses a kind of dust-proof microswitch, as shown in Figure 1, including housing department 1, contact portion 2, driving section 3
With portion of terminal 4.Housing department 1 includes housing 5 and pedestal 6, and portion of terminal 4 includes the normally closed terminal 7 being fixedly connected on pedestal 6, often
Beginning son 8 with support terminals 9, driving section 3 include button 10, be fixedly connected in support terminals 9 tension spring 11, with 11 phase of tension spring
The reed 12 of connection, contact portion 2 include the movable contact 13 being fixedly connected on reed 12 and are respectively fixedly connected in normally closed terminal 7
With the normally closed stationary contact 14 on normally opened terminal 8 and normally opened stationary contact 15.
As shown in Fig. 2, 6 bottom of pedestal opens up side by side, there are three stomidium 16, support terminals 9, normally opened terminal 8 and normally closed terminals
7 one end is integrally formed with three stomidiums 16 are passed down through in acicular connector 17 and successively, in 6 bottom of pedestal in stomidium
16 positions are also provided with filler slot 18, and filling marine glue can effectively seal stomidium 16 in filler slot 18, and increase
Stable connection between connector 17 and pedestal 6.
As shown in Figure 1, Figure 3, one end that support terminals 9 are located in housing 5 is connected with tension spring 11, and tension spring 11 is another
End is connected with the middle part of reed 12, and integrally formed with branch slot 19 in support terminals 9, one end of reed 12, which is withstood in branch slot 19, to be made
Movable contact 13 is fixedly connected with for fulcrum, the other end and can be swung under the pulling of tension spring 11.
As shown in figure 3, normally closed stationary contact 14 is located at the top and lower section of movable contact 13 with normally opened stationary contact 15 respectively, and often
The space left and swung for reed 12 is closed between stationary contact 14 and normally opened stationary contact 15, and what tension spring 11 was connected with support terminals 9
Position is upwards close to normally closed stationary contact 14, then reed 12 is swung under the pulling of tension spring 11 towards normally closed 14 direction of stationary contact, so as to
Movable contact 13 is made to be in contact with normally closed stationary contact 14.
As shown in figure 3, being provided with the driving hole 20 coordinated with button 10 on housing 5, button 10 includes cylinder 21, cylinder 21
One end is integrally formed with positioned at the inside of housing 5 and can not passing through the locating part 22 of driving hole 20, other end releasable connection to have to be located at
The dust-proof back-off 23 in the outside of housing 5, and locating part 22 is connected on 5 inner wall of housing with one end that cylinder 21 is connected, is opposite another
One end is connected on tension spring 11, when button 10 is towards the compressing tension spring 11 downwards of locating part 22 when moving in housing 5, makes tension spring 11 downward
Deform upon and pushed with movable contact spring 12 so that the movable contact 13 on reed 12 separated with normally closed stationary contact 14 and with it is normally opened quiet
Contact 15 contacts.
As shown in figure 3, dust-proof back-off 23 is cylindrical in shape and tips upside down on 21 end of cylinder, dust-proof back-off 23 and 21 side wall of cylinder it
Between leave clamping gap, and the outside of housing 5 is provided with the annular grooves 24 with dust-proof 23 cooperation of back-off for 20 1 weeks along driving hole, in annular
Annular thin wall 25 is formed between slot 24 and driving hole 20, the insertion of annular thin wall 25 card while dust-proof back-off 23 is embedded in annular groove 24
It connects in gap, makes to form the continuous triple gaps bent and direction is opposite between button 10 and housing 5, when cylinder 21 is in driving hole
Dust-proof back-off 23 can be driven to be moved in annular groove 24 when being moved in 20, and when locating part 22 is connected to 5 inner wall of housing upwards
Dust-proof back-off 23 is still embedded in annular groove 24 when upper, and dust granules are difficult to enter inside housing 5 by triple gaps.
As shown in Figure 3, Figure 4, locating part 22 on the side wall of two side bodies 5 respectively integrally formed with the first gib block
26, the length direction of the first gib block 26 is consistent with the opening direction of driving hole 20.In 26 corresponding housing 5 of the first gib block
It is set side by side on wall there are two guide pad 27, formation spaced apart and the cooperation of the first gib block 26 between two guide pads 27
First guide groove 28,27 bottom of guide pad are equipped with fillet, enter convenient for the first gib block 26 in the first guide groove 28, and first leads
Enter to item 26 in the first guide groove 28 and locating part 22 is limited, make button 10 that can only be transported along 20 extending direction of driving hole
It is dynamic.
As shown in figure 4, respectively integrally formed with two second gib blocks 29 in the opposite two side walls of pedestal 6, second leads
It is consistent with the installation direction of pedestal 6 and housing 5 to the length direction of item 29, on 5 both sides inner wall of housing respectively integrally formed with
Second guide groove 30 of the second gib block 29 cooperation, the second gib block 29 are directed at the opening of 30 bottom of the second guide groove and entrance,
Pedestal 6 is made to be connected along the second guide groove 30 with housing 5, is easily installed.
As shown in figure 4, on 6 side wall of pedestal integrally formed with it is several buckle 34, and on 5 inner wall of housing integrally formed with card
The card slot 35 of 34 cooperation of button, by the engaging between buckle 34 and card slot 35, strengthens the fixed effect between pedestal 6 and housing 5.
As shown in Figure 4, Figure 5, when installing button 10, cylinder 21 enters at 5 bottom opening of housing, and is led along first
Entered to slot 28 in driving hole 20, locating part 22 made to abut driving hole 20 bottom, and 23 bottoms of dust-proof back-off integrally formed with
Fixed link 31, in 31 end of fixed link integrally formed with cam 32, the end of cylinder 21 towards dust-proof back-off 23 is provided with fixing
The mounting hole 33 that bar 31 coordinates, fixed link 31 is aligned and is sticked into mounting hole 33, makes dust-proof back-off 23 from 5 outside of housing and column
Body 21 is fixedly connected.
This specific embodiment is only explanation to the utility model, is not the limitation to the utility model, ability
Field technique personnel can as needed make the present embodiment the modification of no creative contribution after this specification is read, but
As long as it is all protected in the right of the utility model be subject to Patent Law.
Claims (8)
1. a kind of dust-proof microswitch, including housing department (1), contact portion (2), driving section (3) and portion of terminal (4), the shell
Portion (1) includes housing (5) and pedestal (6), and the portion of terminal (4) includes the normally closed terminal (7) being arranged on pedestal (6), normally opened
Terminal (8) and support terminals (9), the driving section (3) include button (10), tension spring (11) and reed (12), the contact portion
(2) stationary contact and movable contact (13) are included, it is characterised in that：The housing (5) is equipped with the driving hole with button (10) cooperation
(20), the button (10) includes cylinder (21), the locating part (22) for being arranged on cylinder (21) one end and is arranged on cylinder (21)
The dust-proof back-off (23) of the other end, is equipped with along driving hole on the housing (5) and the ring of dust-proof back-off (23) cooperation for (20) one weeks
Shape slot (24).
2. dust-proof microswitch according to claim 1, it is characterised in that：The dust-proof back-off (23), which is cylindrical in shape, to be tipped upside down on
Cylinder (21) end, it is described it is dust-proof back-off (23) and cylinder (21) side wall between be equipped with clamping gap, the annular groove (24) and
Annular thin wall (25) is formed between driving hole (20).
3. dust-proof microswitch according to claim 2, it is characterised in that：The dust-proof back-off (23) is held with cylinder (21)
Portion's releasable connection, the locating part (22) are still embedded in annular groove (24) in dust-proof be buckled to (23) when being connected on housing (5) inner wall
It is interior.
4. dust-proof microswitch according to claim 3, it is characterised in that：Described dust-proof back-off (23) bottom, which is equipped with, to be fixed
Bar (31), fixed link (31) end are equipped with cam (32), and the end of the cylinder (21) towards dust-proof back-off (23) is equipped with
With the mounting hole (33) of fixed link (31) cooperation.
5. dust-proof microswitch according to claim 1, it is characterised in that：The locating part (22) is equipped with length direction
First gib block (26) consistent with the opening direction of driving hole (20), housing (5) inner wall are equipped with and the first gib block
(26) the first guide groove (28) of cooperation.
6. dust-proof microswitch according to claim 1, it is characterised in that：Pedestal (6) side wall is equipped with length side
To second gib block (29) consistent with pedestal (6) and housing (5) installation direction, housing (5) inner wall is equipped with and second
The second guide groove (30) of gib block (29) cooperation.
7. dust-proof microswitch according to claim 1, it is characterised in that：The pedestal (6) is equipped with several buckles
(34), housing (5) inner wall is equipped with the card slot (35) with buckle (34) cooperation.
8. dust-proof microswitch according to claim 1, it is characterised in that：The pedestal (6) is equipped with and portion of terminal (4)
The stomidium (16) of cooperation, the normally closed terminal (7), normally opened terminal (8) and support terminals (9) bottom, which are equipped with, can pass through stomidium
(16) connector (17), pedestal (6) bottom are equipped with filler slot (18) in stomidium (16) position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721408720.7U CN207441530U (en) | 2017-10-27 | 2017-10-27 | A kind of dust-proof microswitch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721408720.7U CN207441530U (en) | 2017-10-27 | 2017-10-27 | A kind of dust-proof microswitch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207441530U true CN207441530U (en) | 2018-06-01 |
Family
ID=62293127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721408720.7U Active CN207441530U (en) | 2017-10-27 | 2017-10-27 | A kind of dust-proof microswitch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207441530U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114242495A (en) * | 2021-12-30 | 2022-03-25 | 浙江佳奔电子有限公司 | Dustproof and waterproof microswitch |
-
2017
- 2017-10-27 CN CN201721408720.7U patent/CN207441530U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114242495A (en) * | 2021-12-30 | 2022-03-25 | 浙江佳奔电子有限公司 | Dustproof and waterproof microswitch |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104638401B (en) | Flexible circuit board connector | |
| CN202042644U (en) | Card connector | |
| US10916885B2 (en) | High-speed connector for automobile | |
| CN201178215Y (en) | Electric connector | |
| CN207441530U (en) | A kind of dust-proof microswitch | |
| CN201638968U (en) | Electronic card connector | |
| CN207690683U (en) | A kind of sealing microswitch | |
| CN208222246U (en) | A kind of track lamp | |
| CN210576752U (en) | Waterproof terminal car pencil | |
| CN207834672U (en) | A kind of connector connector | |
| CN106601529A (en) | Waterproof and dustproof mechanical keyboard switch | |
| CN209844158U (en) | Intelligent socket | |
| CN214643176U (en) | Limit switch convenient to disassemble | |
| CN203839648U (en) | Electronic card connector | |
| CN214505318U (en) | Waterproof metal button | |
| CN107489991B (en) | External wiring structure of lamp and lamp | |
| CN203589357U (en) | Nano-SIM card connector | |
| CN213279740U (en) | Double-layer sealing structure for mobile phone | |
| CN201112677Y (en) | Electric connector | |
| CN207234067U (en) | A kind of network cable connects socket | |
| KR101627699B1 (en) | Connector having Actuator for Sliding Type | |
| CN204966850U (en) | LED paster terminal lamp strip connector | |
| CN213272098U (en) | LED lamp with quick connection structure | |
| CN218826714U (en) | Novel control and protection switch | |
| CN218731999U (en) | A waterproof construction for binding post |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |