CN209149988U - A kind of sealing microswitch - Google Patents
A kind of sealing microswitch Download PDFInfo
- Publication number
- CN209149988U CN209149988U CN201822195515.8U CN201822195515U CN209149988U CN 209149988 U CN209149988 U CN 209149988U CN 201822195515 U CN201822195515 U CN 201822195515U CN 209149988 U CN209149988 U CN 209149988U
- Authority
- CN
- China
- Prior art keywords
- sealing
- pedestal
- button
- terminal
- connection terminal
- 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
- Push-Button Switches (AREA)
Abstract
The utility model discloses a kind of sealing microswitches, including shell, pedestal and driving section, normally closed terminal, positioning terminal and connection terminal are provided on the pedestal, extend the fixed plate that plate is provided with after the pedestal in the normally closed terminal lower end, extend the connecting plate that plate is provided with after the pedestal in the connection terminal lower end, first resistor and second resistance are welded on the end face of the fixed plate, the first conducting wire is connected in the first resistor, the second resistance is connected with the second conducting wire, and second conducting wire is also welded on the connecting plate.The utility model has the following advantages that and effect: the surface area by increasing fixed plate and connecting plate, fixed plate is capable of fixing first resistor and second resistance in fact, and then the resistance realized in microswitch is prefabricated, while the adjusting of resistance sizes is realized by the opening and closing of microswitch.
Description
Technical field
The utility model relates to the technical field of microswitch, in particular to a kind of sealing microswitch.
Background technique
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.
Notification number is a kind of Chinese patent " sealing microswitch " of CN207690683U, discloses a kind of microswitch,
Including including shell, contact portion, driving section and portion of terminal, shell includes shell and pedestal, and portion of terminal includes being set to bottom
Normally closed terminal, normally opened terminal and connection terminal on seat.The connecting pin of these terminals rod piece all in a strip shape, when needing to connect resistance
When, can only an external circuit board, welding kesistance on circuit boards, so that generating the letter of different resistance when microswitch on-off
Number, but circuit board is at high cost.
Utility model content
The purpose of the utility model is to provide a kind of sealing microswitches, have the effect of from strip resistance.
The above-mentioned technical purpose of the utility model has the technical scheme that a kind of sealing fine motion is opened
It closes, including shell, pedestal and driving section, is provided with normally closed terminal, positioning terminal and connection terminal on the pedestal, it is described normally closed
The fixed plate that plate is provided with after the pedestal is extended in terminal lower end, and the connection terminal lower end is set after extending the pedestal
It is equipped with the connecting plate of plate, first resistor and second resistance are welded on the end face of the fixed plate, is connected in the first resistor
It is connected to the first conducting wire, the second resistance is connected with the second conducting wire, and second conducting wire is also welded on the connecting plate.
By using above-mentioned technical proposal, normally closed terminal and connection terminal lower end are respectively set to the fixed plate of one piece of plate
And connecting plate, increase the surface area of the terminal.One piece of first resistor and one piece of second resistance are welded on the surface of fixed plate, the
One conducting wire is directly welded at the other end of first resistor, the second conducting wire on the connecting plate for being welded to connection terminal lower end after weld again
It is connected in second resistance.After normally closed terminal is connected to connection terminal, the electric current on the second conducting wire passes through connection terminal and normal-closed end
After son, it is passed on the first conducting wire by first resistor；Electric current when normally closed terminal and connection terminal disconnect, on the second conducting wire
It by second resistance, is entered directly into first resistor by fixed plate, is finally flowed out from the first conducting wire.This programme is by adding
Fixed plate realization is prefabricated on microswitch by resistance, without adding the outer connecting resistance of wiring board, while passing through control fine motion
The connection of switch and the size for disconnecting resistance in realization adjustment electric current, application value with higher.
The utility model is further arranged to: being provided with through-hole on the fixed plate and the connecting plate.
By using above-mentioned technical proposal, through-hole is opened up in fixed plate, so that when first resistor and second resistance are solid
When determining onto fixed plate, tin liquor can more remain in fixed plate, and then increase the firmness of welding.Setting on connecting plate
The through-hole set can also the cable of the second conducting wire be fed through after the through-hole and welded with second resistance, then again by soldering by second
Conducting wire is welded on the connecting plate with through-hole.
The utility model is further arranged to: the pedestal lower end be removably connected with for be arranged the fixed plate and
Shield on the connecting plate.
By using above-mentioned technical proposal, shield is by the fixed plate for being welded with first resistor and second resistance and is connected with the
The connecting plate of two conducting wires is isolated with the external world, while filling of non-later period marine glue provides a cavity, it is ensured that marine glue can incite somebody to action
Component in fixed plate and connecting plate carries out waterproof sealing.
The utility model is further arranged to: the base outer wall is provided with multiple convex blocks, the shield inner wall setting
The locating slot of the useful convex block clamping.
By using above-mentioned technical proposal, shield is arranged and is connected on base outer wall, allowed in connecting plate and consolidate
After fixed board welding, then entire shield will be arranged up again after first resistor, second resistance, the first conducting wire and the second conducting wire.
The utility model is further arranged to: the driving section includes button, tension spring and reed；Described reed one end is supported
It connects on the connection terminal, the other end is provided with movable contact, and the movable contact is located at the connection terminal and the positioning end
Between son, described tension spring one end is connected to the upper end of the connection terminal, and the other end is located in the middle part of the reed；It is described to press
On the housing, upper end wears out the shell and lower end is connected on the tension spring for button grafting.
By using above-mentioned technical proposal, button pressed downwards, deformation occurs for entire tension spring, and the movable contact of reed front end setting exists
It is separated after being moved under the pulling of tension spring towards positioning terminal with connection terminal, first resistor and second resistance are interconnected.
The utility model is further arranged to: the button lower end is provided with briquetting, setting in the middle part of the briquetting lower end
For the card slot that the tension spring is embedded, briquetting both ends are provided with sliding block, and the inner walls setting is slid with for the sliding block
Limiting slot.
By using above-mentioned technical proposal, button realizes the limiting slot in shell by the sliding block that lower end pressure block two sides are arranged
Interior locating slip, while avoiding tension spring from being separated from each other with briquetting by the setting of card slot, it is ensured that when button is moved down because of external force,
Briquetting stable can push tension spring.
The utility model is further arranged to: the shell upper end offers mounting hole, passes through in the mounting hole anti-
Glue is fixed with seal cap, and the upper end sealing of the seal cap and the button is socketed.
By using above-mentioned technical proposal, the setting of seal cap effectively placed steam or moisture around microswitch
Enclosure interior is entered, avoids terminal that corrosion failure occurs, seal cap plays the effect of waterproof.
The utility model is further arranged to: spliced eye is provided in the seal cap, the button upper end is provided with
Position the annular groove of the spliced eye.
By using above-mentioned technical proposal, button is positioned the spliced eye of seal cap by annular groove, realizes button
Deformation occurs therewith for seal cap when moving down.
The utility model is further arranged to: the button is also convexly equipped with convex annular on the cell wall of the annular groove
It rises, the seal groove for the annular protrusion grafting is provided on the hole wall of the spliced eye.
By using above-mentioned technical proposal, the setting of annular protrusion increases the contact area between seal cap and button,
Ensure sealing effect between the two in turn.
The utility model is further arranged to: the shell upper end is also rotatably connected to compression bar, the compression bar lower end surface
It is connected to the button upper end.
By using above-mentioned technical proposal, the arm of force is increased by compression bar, is allowed to smaller power come squeeze buttons
Interior reed triggers microswitch.
In conclusion the utility model has the following beneficial effects: by increase fixed plate and connecting plate surface area, Gu
Fixed board is capable of fixing first resistor and second resistance in fact, and then it is prefabricated to realize the resistance in microswitch, while passing through fine motion
The adjusting of resistance sizes is realized in the opening and closing of switch.
Detailed description of the invention
Fig. 1 is the constructional appearance figure of microswitch；
Fig. 2 is the structural schematic diagram that shell opens pedestal；
Fig. 3 is the structural schematic diagram that shield and pedestal are separated from each other；
Fig. 4 is normally closed terminal, connection terminal and the structural schematic diagram of driving section；
Fig. 5 is the cross section view of microswitch；
Fig. 6 is the portion A shown in fig. 5 enlarged diagram.
In figure: 1, shell；1-1, limiting slot；1-2, mounting hole；2, pedestal；3, driving section；4, normally closed terminal；4-1, abutting
Plate；4-2, fixed contact；5, positioning terminal；6, connection terminal；6-1, vertical section；6-2, horizontal segment；6-3, riser；7, fixed plate；
8, connecting plate；9, first resistor；10, second resistance；11, the first conducting wire；12, the second conducting wire；13, through-hole；14, shield；14-1,
Through slot；15, convex block；16, locating slot；17, button；18, tension spring；19, reed；19-1, movable contact；20, briquetting；20-1, card slot；
20-2, sliding block；21, seal cap；22, spliced eye；23, annular groove；24, annular protrusion；25, seal groove；26, compression bar.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
A kind of sealing microswitch, referring to Figures 1 and 2, including pedestal 2, shell 1, shield 14, set up separately on pedestal 2 and sets
It is equipped with and is disposed with normally closed terminal 4, positioning terminal 5 and connection terminal 6.Biography is provided between normally closed terminal 4 and connection terminal 6
Dynamic portion 3, realizes the connection and disconnection between normally closed terminal 4 and connection terminal 6.Normally closed 4 lower end of terminal is formed after extending pedestal 2
It is formed with connecting plate 8 after having fixed plate 7,6 lower end of connection terminal to extend pedestal 2, shell 1 will transmission after being located on pedestal 2
Portion 3 carries out location sealing, and the setting of shield 14 is used to protect connecting plate 8 and fixed plate 7 in 2 lower end of pedestal, then in shield 14
It fills and carries out waterproof sealing as the epoxy resin of marine glue.
Referring to Fig. 3, through-hole 13 is offered in the fixed plate 7 of 2 lower end of pedestal, simultaneously towards welding on the end face of connecting plate 8
There are first resistor 9 and second resistance 10, first resistor 9 and second resistance 10 are Chip-R.It welds the front end of first resistor 9
There is the first conducting wire 11.Through-hole 13 is equally offered on the connecting plate 8 of 6 lower end of connection terminal, the second conducting wire 12 is fed through connecting plate 8
Through-hole 13 after be fixed with the connecting plate 8 by soldering, while the front end of second conducting wire 12 is soldered to second resistance 10
Front end.First conducting wire 11 and 12 horizontal extension of the second conducting wire are on pedestal 2.
With continued reference to Fig. 3, there are two convex block 15, shields 14 to open towards upper end opening for 2 lower end two sides outer wall projection of pedestal
It is respectively provided on the two sidewalls at mouthful end there are two locating slot 16, for when shield 14 is plugged on pedestal 2, for the convex block of pedestal 2
Grafting on 15, the realization of shield 14 are detachably connected with pedestal 2.14 one end of shield offers through slot 14-1, and through slot 14-1 is for the
12 grafting of one conducting wire 11 and the second conducting wire, after having welded the first conducting wire 11 and the second conducting wire 12, shield 14 can first allow first
Conducting wire 11 and the second conducting wire 12 are then provide on pedestal 2 again by through slot 14-1, and on the other hand through slot 14-1 is also conduct
Enter the entrance of filling 14 internal cavities of shield for marine glue.
Referring to Fig. 4, normally closed terminal 4, which is integrally formed with connection terminal 6 and pedestal 2 by mold, to be arranged, it is ensured that pedestal 2 with it is normal
Junction between closed end 4 and connection terminal 6 has good leakproofness, and the direct grafting of positioning terminal 5 navigates on pedestal 2
In the groove opened up.6 upper end of connection terminal includes vertical section 6-1 and horizontal segment 6-2, and the front end horizontal segment 6-2 has been folded upward at one
Block riser 6-3, normally closed 4 upper end horizontal buckling of terminal, which has, abuts plate 4-1, abuts and is provided with fixed contact 4-2 on plate 4-1, abuts plate
4-1 is located at the upper end of positioning terminal 5.
Referring to Fig. 2 and Fig. 4, shell 1 opens up opening downward, is set on pedestal 2, also sets up between shell 1 and pedestal 2
There is driving section 3, driving section 3 includes button 17, tension spring 18 and reed 19.18 one end of tension spring is fixed on the vertical section of connection terminal 6
On 6-1, the other end is connected to the middle part of reed 19, and 19 one end of reed is connected on the riser 6-3 of connection terminal 6, the other end by
In the pulling force of tension spring 18 be connected to abut the lower end surface plate 4-1, the end of tension spring 18 be provided with movable contact 19-1 with realize more preferably with
The fixed contact 4-2 abutted on plate 4-1 is abutted against.
Referring to Fig. 4 and Fig. 5,17 lower end of button is provided with briquetting 20, upper end be fed through behind 1 upper end of shell be connected with one it is close
Sealing cap 21.20 lower end of briquetting passes through the card slot 20-1 opened up and is pressed on 18 middle part of tension spring, while 20 both ends of briquetting are provided with sliding block
20-2, sliding block 20-2 are located in the limiting slot 1-1 being arranged on positioning inner wall, realize that orientation of the button 17 on shell 1 is sliding
It moves, and then ensures that the orientation of tension spring 18 moves down, and then 19 front end of reed is rotated down, realize movable contact 19-1 and fixed contact 4-2
Be separated from each other.
Referring to figure 5 and figure 6,1 upper end of shell is provided with a mounting hole 1-2, and seal cap 21 made of rubber passes through anti-
Glue sealing is fixed in mounting hole 1-2.A spliced eye 22,17 upper end of button setting one are offered in the middle part of seal cap 21
A annular groove 23, after button 17 is plugged into seal cap 21, spliced eye 22 is positioned in the annular groove 23.In annular groove 23
Annular protrusion 24 is convexly equipped on the bottom wall in portion, which is plugged on the seal groove that seal cap 21 is arranged in spliced eye 22
On 25, to ensure the leakproofness between button 17 and seal cap 21.
Referring to Fig.1,1 one end of shell is also rotatably connected to a compression bar 26, and 26 lower end of compression bar is shelved on button 17, pressing
Compression bar 26 realizes the pressing to button 17.
The course of work:
When button 17 is not by external force pressure, it is connected between normally closed terminal 4 and connection terminal 6 by the realization of reed 19,
Electric current passes sequentially through the second conducting wire 12, connection terminal 6, reed 19, normally closed terminal 4, first resistor 9 at this time, eventually by first
Conducting wire 11 flows out.
When pressing moulded rod 26 for the pushing of button 17, reed 19 is disconnected with normally closed terminal 4, and electric current passes sequentially through at this time
Second conducting wire 12, second resistance 10, connection terminal 6, first resistor 9 are flowed out eventually by the first conducting wire 11.Pass through push button
17 realize the size of control current resistor resistance value.
Specific embodiment is only the explanation to the utility model, is not limitations of the present invention, this field
Technical staff can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but only
It will be in the scope of the claims of the utility model all by the protection of Patent Law.
Claims (10)
1. a kind of sealing microswitch, including shell (1), pedestal (2) and driving section (3), it is provided on the pedestal (2) normally closed
Terminal (4), positioning terminal (5) and connection terminal (6), it is characterised in that: extend the pedestal in normally closed terminal (4) lower end
(2) fixed plate (7) of plate is provided with after, connection terminal (6) lower end is provided with plate after extending the pedestal (2)
Connecting plate (8) is welded with first resistor (9) and second resistance (10), the first resistor on the end face of the fixed plate (7)
(9) it is connected on the first conducting wire (11), the second resistance (10) is connected with the second conducting wire (12), and second conducting wire (12) is also
It is welded on the connecting plate (8).
2. a kind of sealing microswitch according to claim 1, it is characterised in that: the fixed plate (7) and the connection
Through-hole (13) are provided on plate (8).
3. a kind of sealing microswitch according to claim 2, it is characterised in that: pedestal (2) lower end detachably connects
It is connected to the shield (14) for being arranged in the fixed plate (7) and the connecting plate (8).
4. a kind of sealing microswitch according to claim 3, it is characterised in that: pedestal (2) outer wall is provided with more
A convex block (15), the locating slot (16) of useful convex block (15) clamping of shield (14) inner wall setting.
5. a kind of sealing microswitch according to claim 1 or 4, it is characterised in that: the driving section (3) includes button
(17), tension spring (18) and reed (19)；Described reed (19) one end is connected on the connection terminal (6), and the other end is provided with
Movable contact (19-1), the movable contact (19-1) is between the connection terminal (6) and the positioning terminal (5), the drawing
Spring (18) one end is connected to the upper end of the connection terminal (6), and the other end is located in the middle part of the reed (19)；The button
(17) it is plugged on the shell (1), upper end wears out the shell (1) and lower end is connected on the tension spring (18).
6. a kind of sealing microswitch according to claim 5, it is characterised in that: button (17) lower end is provided with pressure
Block (20), the card slot (20-1) that briquetting (20) lower end middle part setting is embedded for the tension spring (18), the briquetting (20) two
End is provided with sliding block (20-2), the limiting slot (1-1) of shell (1) the inner wall setting for the sliding block (20-2) sliding.
7. a kind of sealing microswitch according to claim 6, it is characterised in that: shell (1) upper end offers peace
It fills hole (1-2), is fixed with seal cap (21) in the mounting hole (1-2) by marine glue, the seal cap (21) is pressed with described
The upper end of button (17) seals socket.
8. a kind of sealing microswitch according to claim 7, it is characterised in that: be provided on the seal cap (21) slotting
It connects hole (22), button (17) upper end is provided with the annular groove (23) for positioning the spliced eye (22).
9. a kind of sealing microswitch according to claim 8, it is characterised in that: the button (17) is in the annular groove
(23) it is also convexly equipped with annular protrusion (24), is provided on the hole wall of the spliced eye (22) for the annular protrusion on cell wall
(24) seal groove (25) of grafting.
10. a kind of sealing microswitch according to claim 9, it is characterised in that: shell (1) the upper end also company of rotation
It is connected to compression bar (26), compression bar (26) lower end surface is connected to the button (17) upper end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822195515.8U CN209149988U (en) | 2018-12-25 | 2018-12-25 | A kind of sealing microswitch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822195515.8U CN209149988U (en) | 2018-12-25 | 2018-12-25 | A kind of sealing microswitch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209149988U true CN209149988U (en) | 2019-07-23 |
Family
ID=67290822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822195515.8U Active CN209149988U (en) | 2018-12-25 | 2018-12-25 | A kind of sealing microswitch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209149988U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022041323A1 (en) * | 2020-08-27 | 2022-03-03 | 乐清市通达有线电厂 | Microswitch |
-
2018
- 2018-12-25 CN CN201822195515.8U patent/CN209149988U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022041323A1 (en) * | 2020-08-27 | 2022-03-03 | 乐清市通达有线电厂 | Microswitch |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100578865C (en) | Water-proof anti-drop touch-proof safety socket | |
| CN201069835Y (en) | Electronic card connector | |
| CN102868069B (en) | Switch-equipped coaxial connector | |
| CN102157818B (en) | Fast wiring interlocking electrical connector | |
| CN209149988U (en) | A kind of sealing microswitch | |
| CN111786142A (en) | Spring piece type wiring terminal and wiring terminal strip | |
| CN201234000Y (en) | Water-proof anti-drop touch-proof safety socket | |
| CN102280787A (en) | Low-to-high frequency electric connector | |
| CN213026602U (en) | Electric connection coupler, socket thereof and power electrode connecting mechanism | |
| CN201438539U (en) | Electrical connector | |
| CN210167309U (en) | Dustproof clamping temperature controller | |
| CN201956298U (en) | Novel extension socket tripping device | |
| CN207381577U (en) | For the connected structure and USB module of USB module | |
| CN209266225U (en) | The structure-improved of switch module | |
| CN210577331U (en) | Circuit breaker overhauls with laying platform | |
| KR20220015240A (en) | PCB assembly and residual-current device include the same | |
| CN207442088U (en) | Electronic card coupler and Kato | |
| CN103545633B (en) | Wire and cable connector and assembly method thereof | |
| CN112466698A (en) | Mechanical type time delay wall switch | |
| CN206834377U (en) | Electric connector | |
| CN111613458A (en) | Two-phase electric switch | |
| CN206819910U (en) | Compress slidingtype microswitch | |
| CN206480564U (en) | Dual power supply switches relay | |
| CN205828802U (en) | A kind of FPC connector | |
| CN221040873U (en) | SMD lamp pearl switch structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |