CN208087117U - Electric block limit switch - Google Patents
Electric block limit switch Download PDFInfo
- Publication number
- CN208087117U CN208087117U CN201820433147.3U CN201820433147U CN208087117U CN 208087117 U CN208087117 U CN 208087117U CN 201820433147 U CN201820433147 U CN 201820433147U CN 208087117 U CN208087117 U CN 208087117U
- Authority
- CN
- China
- Prior art keywords
- worm
- cam
- electric block
- worm gear
- limit switch
- 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
- Mechanisms For Operating Contacts (AREA)
Abstract
The utility model provides a kind of electric block limit switch.The electric block limit switch includes driving worm screw, worm gear, multiple cams and microswitch, the worm gear is connect with the driving worm-drive, multiple cams are set up in parallel, and with the concentric setting of the worm gear, the microswitch is set to the cam side, and be correspondingly arranged with the cam, the relative position of the cam and the microswitch is adjustable.A kind of electric block limit switch provided by the utility model is directly installed on the end of cucurbit rack, directly drives worm screw by reel, is slowed down by worm and gear; band moving cam rotates; the protection of electric block limes superiors and limit inferior is realized in cam driven microswitch, the action of control contactor.
Description
Technical field
The utility model is related to electric hoist stopper apparatus field more particularly to a kind of electric block limit switches.
Background technology
CD type cucurbits realize the protection of electric block limes superiors and limit inferior using circuit fire stop, because power returns in order to control
Road, contact is easy sparking and is sintered, short life, and is once sintered, and suspension hook group can be caused to rush to summit, cause safety accident.Cutoff
Limiter needs the baffle by rope guide to stir, and the rope guide of CD type cucurbits often has the failures such as fracture, job-hopping, also influences limit
The reliability of action.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of electric block limit switch.
Electric block limit switch provided by the utility model includes driving worm screw, worm gear, multiple cams and microswitch,
The worm gear is connect with the driving worm-drive, and multiple cams are set up in parallel, and with the concentric setting of the worm gear, institute
It states microswitch and is set to the cam side, and be correspondingly arranged with the cam, the cam is opposite with the microswitch
Position-adjustable.
In a kind of preferred embodiment of electric block limit switch provided by the utility model, the cam quantity is four
A, four cams are set up in parallel.
In a kind of preferred embodiment of electric block limit switch provided by the utility model, the worm gear includes worm gear sheet
Body, worm-drive outer rim and worm wheel shaft, the worm-drive outer rim are set to the worm gear ontology opposite exterior lateral sides, and the worm gear turns
The worm gear ontology is located in respect to cental axial position, the worm-drive outer rim is connect with the driving worm screw, the worm gear
Shaft and the shaft of the cam are on same linear position.
In a kind of preferred embodiment of electric block limit switch provided by the utility model, the electric block limit is opened
Pass further includes babinet, case lid, mounting flange and protective cover, and the case lid is set to the babinet side, and the protective cover is set to institute
Babinet side is stated, the mounting flange is set to the babinet side, and the worm gear is set in the babinet, the driving worm screw one
End is set in the babinet, and the other end passes through the babinet, and is connect with external driver device across the mounting flange, multiple
The cam and the microswitch are set in the protective cover.
The working principle and beneficial effect of the electric block limit switch of the utility model：
It is directly installed on the end of cucurbit rack, worm screw is directly driven by reel, is slowed down by worm and gear, band moving cam
The protection of electric block limes superiors and limit inferior, Yin Ben are realized in rotation, cam driven microswitch, the action of control contactor
Limit switch can also set super upper limit and super lower limit by four pairs of cams and microswitch, be active in one's movements, and adjust convex
The relative position of wheel and microswitch, you can realize and stop in designated position.
Description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Other attached drawings are obtained, wherein：
Fig. 1 is the main view perspective view of one preferred embodiment of electric block limit switch provided by the utility model；
Fig. 2 is the side perspective of the deceleration device of electric block limit switch shown in FIG. 1.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The all other embodiment obtained, shall fall within the protection scope of the present invention.
Please refer to Fig.1 and Fig. 2, Fig. 1 be one preferred embodiment of electric block limit switch provided by the utility model master
Depending on perspective view；Fig. 2 is the side perspective of the deceleration device of electric block limit switch shown in FIG. 1.
The electric block limit switch includes driving worm screw 1, worm gear 2, multiple cams 3, microswitch 4, babinet 5, case
Lid 6, mounting flange 7 and protective cover 8.The worm gear 2 is sequentially connected with the driving worm screw 1, and multiple cams 3 are set side by side
Set, and with 2 concentric setting of the worm gear, the microswitch 4 is set to 3 side of the cam, and corresponding with the cam 3 sets
It sets, the cam 3 and the relative position of the microswitch 4 are adjustable.The case lid 6 is set to 5 side of the babinet, described anti-
Shield 8 is set to 5 side of the babinet, and the mounting flange 7 is set to 5 side of the babinet, and the worm gear 2 is set to the babinet 5
It is interior, described 1 one end of driving worm screw be set to the babinet 5 in, the other end pass through the babinet 5, and across the mounting flange 7 with
External driver device connects, and multiple cams 3 and the microswitch 4 are set in the protective cover 8.
3 quantity of the cam is four, and four cams 3 are set up in parallel.
The worm gear 2 includes worm gear ontology 21, worm-drive outer rim 22 and worm wheel shaft 23.The worm-drive outer rim 22
Set on 21 opposite exterior lateral sides of worm gear ontology, the worm wheel shaft 23 is set to the worm gear ontology 21 with respect to cental axial position, institute
It states worm-drive outer rim 22 to connect with the driving worm screw 1, the shaft of the worm wheel shaft 23 and the cam 3 is in same straight line
On position.
The working principle and beneficial effect of the electric block limit switch of the utility model：
It is directly installed on the end of cucurbit rack, worm screw 1 is directly driven by reel, is slowed down by worm and gear 1, is driven convex
The protection of electric block limes superiors and limit inferior is realized in wheel rotation, cam driven microswitch 4, the action of control contactor, because
This limit switch can also set super upper limit and super lower limit by four pairs of cams 3 and microswitch 4, be active in one's movements, and adjust
Save the relative position of cam 3 and microswitch 4, you can realize and stop in designated position.
The above description is only the embodiments of the present invention, and it does not limit the scope of the patent of the present invention, every
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in
Other relevant technical fields, are equally included in the patent within the scope of the utility model.
Claims (4)
1. a kind of electric block limit switch, which is characterized in that including driving worm screw, worm gear, multiple cams and microswitch, institute
Worm gear is stated to connect with the driving worm-drive, multiple cams are set up in parallel, and with the concentric setting of the worm gear, it is described
Microswitch is set to the cam side, and is correspondingly arranged with the cam, the opposite position of the cam and the microswitch
It sets adjustable.
2. according to the electric block limit switch described in claim 1, which is characterized in that the cam quantity be four, four
A cam is set up in parallel.
3. according to the electric block limit switch described in claim 1, which is characterized in that the worm gear include worm gear ontology,
Worm-drive outer rim and worm wheel shaft, the worm-drive outer rim are set to the worm gear ontology opposite exterior lateral sides, the worm wheel shaft
Set on the worm gear ontology with respect to cental axial position, the worm-drive outer rim is connect with the driving worm screw, and the worm gear turns
The shaft of axis and the cam is on same linear position.
4. according to the electric block limit switch described in claim 1, which is characterized in that the electric block limit switch is also
Including babinet, case lid, mounting flange and protective cover, the case lid is set to the babinet side, and the protective cover is set to the case
Side portion, the mounting flange are set to the babinet side, and the worm gear is set in the babinet, and described driving worm screw one end is set
In in the babinet, the other end passes through the babinet, and is connect with external driver device across the mounting flange, multiple described
Cam and the microswitch are set in the protective cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820433147.3U CN208087117U (en) | 2018-03-28 | 2018-03-28 | Electric block limit switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820433147.3U CN208087117U (en) | 2018-03-28 | 2018-03-28 | Electric block limit switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208087117U true CN208087117U (en) | 2018-11-13 |
Family
ID=64060634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820433147.3U Active CN208087117U (en) | 2018-03-28 | 2018-03-28 | Electric block limit switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208087117U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112390159A (en) * | 2020-11-14 | 2021-02-23 | 徐州长航科技有限公司 | Height limiter with protective cover limiting and protecting structure |
-
2018
- 2018-03-28 CN CN201820433147.3U patent/CN208087117U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112390159A (en) * | 2020-11-14 | 2021-02-23 | 徐州长航科技有限公司 | Height limiter with protective cover limiting and protecting structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208087117U (en) | Electric block limit switch | |
| CN105448554A (en) | Motor-operating mechanism with wide-angle output | |
| CN102826429A (en) | Construction elevator capable of operating at modulated frequency and power frequency | |
| CN205459532U (en) | Elevating gear of machine of shifting and machine of shifting | |
| CN202715390U (en) | Lifting and transmission structure of agitator | |
| CN201985006U (en) | Novel current direction change-over switch | |
| CN203351524U (en) | Breaker emergency opening device | |
| CN208619603U (en) | A kind of gearbox structure for intelligent door lock | |
| CN206116323U (en) | External circuit breaker of electric energy meter and automatic opening/closing switching mechanism thereof | |
| CN108757840A (en) | A kind of gearbox structure for intelligent door lock | |
| CN112390159A (en) | Height limiter with protective cover limiting and protecting structure | |
| CN204011197U (en) | The auxiliary switch structure of a kind of left and right contact | |
| CN202363297U (en) | Stroke switch rotating device | |
| CN206480527U (en) | A kind of miniaturization selecting switch component for on-load voltage regulating switch | |
| CN105914086A (en) | Electric isolating switch applied to top part of railway vehicle | |
| CN111058715A (en) | Safety brake device for door | |
| CN202107471U (en) | Limit device for electric block | |
| JPS6024141U (en) | Surge absorber unit with operation indicator light | |
| CN206099634U (en) | Overload protection type electric putter | |
| CN203886191U (en) | Steering engine | |
| CN218183178U (en) | Brushless motor with door opening and closing in-place signal output function | |
| CN214143587U (en) | Novel manual and electric dual-purpose screw hoist | |
| CN204118022U (en) | Primary cut-out connecting rod | |
| CN203733706U (en) | Vacuum circuit breaker energy storage transmission mechanism | |
| CN203288437U (en) | Same-rotary-direction electric mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |