CN207705059U - A kind of number is than adjustable travel switch - Google Patents
A kind of number is than adjustable travel switch Download PDFInfo
- Publication number
- CN207705059U CN207705059U CN201820143670.2U CN201820143670U CN207705059U CN 207705059 U CN207705059 U CN 207705059U CN 201820143670 U CN201820143670 U CN 201820143670U CN 207705059 U CN207705059 U CN 207705059U
- Authority
- CN
- China
- Prior art keywords
- shell
- travel switch
- turbine
- axle sleeve
- adjustable travel
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of numbers than adjustable travel switch, being related to stroke limit field, it includes pedestal that the microswitch of several superpositions, shell, lids are located at the upper cover above the shell and are arranged between shell and upper cover, the transmission mechanism being mounted in the shell is equipped with below the pedestal, several cams connected and coordinated with the microswitch with transmission mechanism linkage are equipped with above the pedestal, the shell inner bottom surface is equipped with the installing mechanism that can supply the transmission mechanism installation than size according to the transmission mechanism number.The utility model has simple in structure, the high advantage of practicability.
Description
Technical field
The utility model is related to stroke limit fields, and in particular to a kind of number is than adjustable travel switch.
Background technology
Currently, existing travel switch, by rotation of the transmission mechanism with moving cam, cam rotation switchs work in control, adopts
It is realized and is adjusted with shaft rotation of the gear transmission mode with moving cam, complicated due to using gear drive, volume is big, and
And it cannot very easily adjust number and compare size.
Utility model content
In order to overcome the shortcomings of background technology, the utility model offer is a kind of simple in structure, and the high number of practicability is than adjustable
Travel switch.
Technical solution used by the utility model：A kind of number is than adjustable travel switch comprising several superpositions
The pedestal that microswitch, shell, lid are located at the upper cover above the shell and are arranged between shell and upper cover, the pedestal
Lower section is equipped with the transmission mechanism being mounted in the shell, several are equipped with above the pedestal and is gone here and there with transmission mechanism linkage
Connection and the cam coordinated with the microswitch, the shell inner bottom surface are equipped with and can be supplied than size according to the transmission mechanism number
The installing mechanism of the transmission mechanism installation.
The transmission mechanism includes worm screw, the turbine engaged with the worm screw and axially across the turbine center of circle and by turbine
The universal driving shaft to rotate, the worm screw is driven to be penetrated in shell along the width direction of the shell, the universal driving shaft is in turbine
The axle sleeve with its cooperation that interlocks with the rotation is arranged at top position, the axle sleeve is fixedly connected with turbine.
The installing mechanism includes the installing mechanism one of the first corresponding number ratio and corresponding second and the third number ratio
Installing mechanism two, the installing mechanism one is using the location hole being arranged in the housing bottom, if the installing mechanism two includes
Dry equidistant and be symmetricly set on the supporting rib of the housing bottom both sides and across on supporting rib described in both sides
Mounting plate, the mounting plate center are equipped with the through-hole for universal driving shaft rotational installation.
The supporting rib is circumferentially with the step for mounting plate placement.
The axle sleeve upper surface is equipped with the counterbore slot one of polygon, the universal driving shaft correspond at the position of the axle sleeve in
The polygonal prism-shaped that the counterbore slot one is adapted to.
The axle sleeve outer rim is in polygonal prism-shaped, and the turbine upper surface is equipped with the counterbore slot two being adapted to the axle sleeve.
The axle sleeve bottom surface is equipped with several grooves, and the upper surface of the turbine is equipped with and groove adaptation and corresponding
Protrusion.
The axle sleeve is integrally formed with the turbine.
The universal driving shaft passes through the pedestal and is connected in series with several cams, each cam respectively it is corresponding with
The microswitch of its isometry position.
Copper sheathing, the copper are all arranged at the position that the universal driving shaft is connect with the installing mechanism, the pedestal respectively
It covers excircle and is equipped with the annulus for being used for limit.
The utility model has the beneficial effects that：By adding installing mechanism in shell, the number of components of transmission mechanism is reduced
Amount, effectively reduces the occupied space in shell, keeps structure simpler；In addition various numbers can be corresponded to respectively by selection
Transmission mechanism is installed than the installing mechanism of size, keeps the practicability of the utility model more preferable, a kind of shell is only used only
Complete the installation of the transmission mechanism of a variety of several ratios.
Description of the drawings
Fig. 1 is structural schematic diagram of the utility model embodiment number than adjustable travel switch.
Fig. 2 be select in count than when structural schematic diagram.
Fig. 3 be select decimal than when structural schematic diagram.
Fig. 4 be select big number than when structural schematic diagram.
Fig. 5 is diagrammatic cross-section of the utility model embodiment number than adjustable travel switch.
Fig. 6 is the structural schematic diagram of the third embodiment turbine and axle sleeve.
Fig. 7 is the vertical view of the third embodiment turbine and axle sleeve.
Fig. 8 is the vertical view of cam and microswitch.
Specific implementation mode
The utility model embodiment is described further below in conjunction with the accompanying drawings：
As shown, a kind of number is than adjustable travel switch comprising microswitch 1, shell 2, the lid of several superpositions
The pedestal 4 for being located at the upper cover 3 of 2 top of the shell and being arranged between shell 2 and upper cover 3,4 lower section of the pedestal are equipped with peace
Transmission mechanism 5 in the shell 2, the top of the pedestal 4 be equipped with several connect with transmission mechanism linkage and with
The cam 7 of the microswitch cooperation, 2 inner bottom surface of the shell, which is equipped with, to be counted than size come for institute according to the transmission mechanism 5
The installing mechanism for stating the installation of transmission mechanism 5 reduces the number of parts of transmission mechanism, has by adding installing mechanism in shell
The occupied space of effect reduced in shell, keeps structure simpler；In addition various numbers can be corresponded to respectively by selection than big
Small installing mechanism installs transmission mechanism, keeps the practicability of the utility model more preferable, only can be completed using only a kind of shell
The installation of the transmission mechanism of a variety of several ratios.
The transmission mechanism 5 includes worm screw 51, the turbine 52 engaged with the worm screw 51 and justifies axially across turbine 52
The heart and the universal driving shaft 53 that rotates, the worm screw 51 is driven to penetrate shell 2 along the width direction of the shell 2 by turbine 52
In, the universal driving shaft 53 be arranged at 52 top position of turbine with the axle sleeve of its cooperation that interlocks with the rotation 54, the axle sleeve 54 with
Turbine 52 is fixedly connected, and 54 bottom surface of the axle sleeve is equipped with several grooves 55, the upper surface of the turbine 52 be equipped with it is described recessed
The adaptation of slot 55 and corresponding raised 56,54 upper surface of the axle sleeve is equipped with the counterbore slot 1 of polygon, and the universal driving shaft 53 is right
It answers in the polygonal prism-shaped being adapted to the counterbore slot 1 at the position of the axle sleeve 54, the counterbore slot 1 is in six sides
Shape, worm screw are rotated by the driving element drive being arranged outside shell, then by driving turbine rotation with engaging for turbine,
Turbine drives axle sleeve rotation, axle sleeve to drive universal driving shaft rotation, and band moving cam rotates universal driving shaft again, and simple in structure, occupied space is few.
The universal driving shaft 53 passes through the pedestal 4 and is connected in series with several cams 7, and each cam 7 is distinguished
The microswitch 1 with its isometry position is corresponded to, the upper end of the transmission mechanism in the present embodiment connects cam, and universal driving shaft drives
Cam rotates, then is worked by cam driven microswitch, and universal driving shaft upper end is hexagonal prismoid shape, and the inner ring of each cam is all
It is adapted to it, other polygonal prism-shapeds can also be used.
Second of embodiment, the axle sleeve 54 are integrally formed with the turbine 52, are saved installation procedure, are reduced cost, are tied
Structure is more secured.
The third embodiment, 54 outer rim of the axle sleeve are in polygonal prism-shaped, and 52 upper surface of the turbine is equipped with and the axis
The counterbore slot 2 521 of 54 adaptation of set, the axle sleeve of the present embodiment use hexagonal prismoid, can equally realize the work(of the first embodiment
Energy.
The installing mechanism includes the installing mechanism one of the first corresponding number ratio and corresponding second and the third number ratio
Installing mechanism two, the installing mechanism one include using the location hole 61 being arranged in 2 bottom of the shell, the installing mechanism two
Several are equidistant and are symmetricly set on the supporting rib 62 of 2 two bottom sides of the shell and across mounted on supporting rib described in both sides
Mounting plate 63 on 62,63 center of the mounting plate are equipped with the through-hole 64 for the universal driving shaft 53 rotational installation, the branch
Support muscle 62 is circumferentially with the step 65 for the mounting plate 63 placement；
Number in the utility model embodiment than have it is small, in, big three kinds of situations：
One, when selecting the transmission mechanism of big number ratio, universal driving shaft can be mounted in location hole, the position of location hole is
It is fixed；
Two, when selecting the transmission mechanism of small, middle several ratios, mounting plate can be erected on corresponding supporting rib, is linked
In axis installation through-hole on a mounting board, when need bigger number than transmission mechanism when, can in shell extension supporting muscle.
Copper sheathing 58, institute are all arranged at the position that the universal driving shaft 53 is connect with the installing mechanism, the pedestal 4 respectively
It states 58 excircle of copper sheathing and is equipped with the annulus 59 for being used for limit, play the role of positioning to universal driving shaft, in addition, universal driving shaft is in the lower section of turbine
Also it is arranged with the positioning sleeve positioned for turbine.
Installing mechanism be not limited to the above embodiment in structure, can also the both sides in shell be arranged slippage slot, with
Mounting plate sliding cooperation, then be bolted.
Embodiment is not construed as the limitation to utility model, but any spiritual improvements introduced based on the utility model,
It should all be within the protection scope of the utility model.
Claims (10)
1. a kind of number is than adjustable travel switch, it is characterised in that：It includes the microswitch of several superpositions（1）, shell
（2）, lid be located at the shell（2）The upper cover of top（3）And it is arranged in shell（2）And upper cover（3）Between pedestal（4）, institute
State pedestal（4）Lower section, which is equipped with, is mounted on the shell（2）Interior transmission mechanism（5）, the pedestal（4）Top be equipped with several with
The cam that the transmission mechanism linkage is connected and coordinated with the microswitch（7）, the shell（2）Inner bottom surface is equipped with can basis
The transmission mechanism（5）Number supplies the transmission mechanism than size（5）The installing mechanism of installation.
2. number according to claim 1 is than adjustable travel switch, it is characterised in that：The transmission mechanism（5）Including snail
Bar（51）And the worm screw（51）The turbine of engagement（52）And axially across turbine（52）The center of circle and by turbine（52）Drive hair
The universal driving shaft of raw rotation（53）, the worm screw（51）Along the shell（2）Width direction penetrate shell（2）In, the linkage
Axis（53）In turbine（52）The axle sleeve with its cooperation that interlocks with the rotation is arranged at top position（54）, the axle sleeve（54）With turbine
（52）It is fixedly connected.
3. number according to claim 2 is than adjustable travel switch, it is characterised in that：The installing mechanism includes corresponding the
The installing mechanism two of a kind of installing mechanism one of several ratios and corresponding second and the third number ratio, the installing mechanism one is using setting
It sets in the shell（2）The location hole of bottom（61）, the installing mechanism two is equidistant including several and is symmetricly set on described
Shell（2）The supporting rib of two bottom sides（62）And across mounted on supporting rib described in both sides（62）On mounting plate（63）, institute
State mounting plate（63）Center, which is equipped with, supplies the universal driving shaft（53）The through-hole of rotational installation（64）.
4. number according to claim 3 is than adjustable travel switch, it is characterised in that：The supporting rib（62）It is circumferentially with
For the mounting plate（63）The step of placement（65）.
5. number according to claim 2 is than adjustable travel switch, it is characterised in that：The axle sleeve（54）Upper surface is equipped with
The counterbore slot one of polygon（57）, the universal driving shaft（53）The corresponding axle sleeve（54）Position at be in and the counterbore slot one
（57）The polygonal prism-shaped of adaptation.
6. number according to claim 5 is than adjustable travel switch, it is characterised in that：The axle sleeve（54）Outer rim is in polygonal
Prism-shaped, the turbine（52）Upper surface is equipped with and the axle sleeve（54）The counterbore slot two of adaptation（521）.
7. number according to claim 5 is than adjustable travel switch, it is characterised in that：The axle sleeve（54）Bottom surface is equipped with
Several grooves（55）, the turbine（52）Upper surface be equipped with and the groove（55）Adaptation and corresponding protrusion（56）.
8. number according to claim 5 is than adjustable travel switch, it is characterised in that：The axle sleeve（54）With the turbine
（52）It is integrally formed.
9. number according to claim 2 is than adjustable travel switch, it is characterised in that：The universal driving shaft（53）Across described
Pedestal（4）And it is connected in series with several cams（7）, each cam（7）It corresponds to respectively described with its isometry position
Microswitch（1）.
10. number according to claim 9 is than adjustable travel switch, it is characterised in that：The universal driving shaft（53）Respectively with
The installing mechanism, the pedestal（4）It is all arranged with copper sheathing at the position of connection（58）, the copper sheathing（58）Excircle, which is equipped with, to be used
In the annulus of limit（59）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820143670.2U CN207705059U (en) | 2018-01-29 | 2018-01-29 | A kind of number is than adjustable travel switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820143670.2U CN207705059U (en) | 2018-01-29 | 2018-01-29 | A kind of number is than adjustable travel switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207705059U true CN207705059U (en) | 2018-08-07 |
Family
ID=63031531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820143670.2U Expired - Fee Related CN207705059U (en) | 2018-01-29 | 2018-01-29 | A kind of number is than adjustable travel switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207705059U (en) |
-
2018
- 2018-01-29 CN CN201820143670.2U patent/CN207705059U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180807 Termination date: 20210129 |