CN203012578U - Motor stopper - Google Patents
Motor stopper Download PDFInfo
- Publication number
- CN203012578U CN203012578U CN 201220690866 CN201220690866U CN203012578U CN 203012578 U CN203012578 U CN 203012578U CN 201220690866 CN201220690866 CN 201220690866 CN 201220690866 U CN201220690866 U CN 201220690866U CN 203012578 U CN203012578 U CN 203012578U
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- CN
- China
- Prior art keywords
- screw mandrel
- nut
- handed
- ratch
- microswitch
- 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 motor stopper, relating to the technical field of daily necessities. The motor stopper comprises a fixing seat. An annular gear is arranged in the lower portion of the fixing seat. The top portion of the fixing seat is provided with a microswitch seat. A gear rod engaged with the annular gear is arranged below the microswitch seat. Screw rods are respectively arranged at the two sides of the gear rod and are respectively equipped with rotating nuts which are engaged with the gear rod and are capable of moving up and down on the screw rods. The top ends of the screw rods are provided with stroke pressing blocks. The stroke pressing blocks are electrically connected with microswitches on the microswitch seat. The rotating nuts are provided with openings penetrating through the rotating nuts. The beneficial effects of the motor stopper are that in the structure of the motor stopper, springs and gaskets above and below the screw rods are eliminated and distances long enough for the rotating nuts to disengage from screw teeth are not needed, so that while the gear rod, the screw rods, and the rotating nuts are protected simultaneously, the structure of the motor stopper is simplified; the installation process of the motor stopper is made to be very simple; and the utilization of the motor stopper is also made to be very convenient.
Description
[technical field]
The utility model relates to daily living article, and in particular, the utility model relates to the stop that uses on a kind of motor, and this electric machine position limiter can be widely used on the motors used such as electrically driven curtain, motor sunshade, screen of dynamoelectric projection.
[background technology]
at present, the structure of general electric machine position limiter is as follows: with reference to Fig. 1, stop comprises holder 1, microswitch group 2 and active ratch 3, initiatively the both sides of ratch 3 are provided with left-handed screw mandrel 4 and dextrorotation screw mandrel 5, left-handed screw mandrel 4 is provided with left-hand threaded nut 6, dextrorotation screw mandrel 5 is provided with right-handed nut 7, and, left-handed screw mandrel 4, the top of dextrorotation screw mandrel 5 and bottom are equipped with is equipped with spring 8 and pad 9, by this kind structure, when initiatively the rotation of ratch 3 drive left-hand threaded nut 6 rotates on left-handed screw mandrel 4, make left-hand threaded nut 6 move up and down on left-handed screw mandrel 4, same, when initiatively the rotation of ratch 3 also drives right-handed nut 7 and rotates on dextrorotation screw mandrel 5, make right-handed nut 7 move up and down on dextrorotation screw mandrel 5, in this process, when if left-hand threaded nut 6 moves to the top place of left-handed screw mandrel 4, initiatively ratch 3 still is rotated further, this moment, left-hand threaded nut 6 will break away from the thread on left-handed screw mandrel 4, and impel left-handed screw mandrel 4 to move downward, compress the spring 8 of left-handed screw mandrel 4 belows, left-hand threaded nut 6 still can be rotated further, same, when left-hand threaded nut 6 moves to the bottom of left-handed screw mandrel 4, left-hand threaded nut 6 can break away from the thread on left-handed screw mandrel 4, and impels left-handed screw mandrel 4 to move upward, and compresses the spring 8 of left-handed screw mandrel 4 tops.above-mentioned this structure, protected left-hand threaded nut 6, left-handed screw mandrel 4, right-handed nut 7 and dextrorotation screw mandrel 5, avoid left-hand threaded nut 6, the tooth in right-handed nut 7 the outside and inner thread damage, but this structure also exists deficiency, first-selected left-hand threaded nut 6(or right-handed nut 7) must break away from left-handed screw mandrel 4(or dextrorotation screw mandrel 5 fully) on thread, just can play a protective role, therefore at left-handed screw mandrel 4(or dextrorotation screw mandrel 5) the below must stay enough make left-hand threaded nut 6(or right-handed nut 7) break away from the distance of thread, in addition, left-handed screw mandrel 4 all needs mounting spring 8 and pad 9 with the upper and lower of dextrorotation screw mandrel 5, cause trouble is installed, use inconvenient.
[utility model content]
The purpose of this utility model is effectively to overcome the deficiency of above-mentioned technology, provide a kind of simple in structure, use electric machine position limiter very easily.
The technical solution of the utility model is achieved in that it comprises holder, the holder bottom has a ring gear, the holder top is provided with a microswitch seat, be provided with the ratch with the ring gear engagement below described microswitch seat, the both sides of ratch are respectively equipped with a screw mandrel, and dispose respectively the rotating nut that meshes, also can move up and down with ratch on screw mandrel on screw mandrel, its improvements are: the top of described screw mandrel is provided with the stroke briquetting, and the trip briquetting is electrically connected to microswitch on the microswitch seat; Described rotating nut is provided with the opening through rotating nut;
In said structure, described screw mandrel is respectively left-handed screw mandrel and dextrorotation screw mandrel, and the rotating nut on left-handed screw mandrel is left-hand threaded nut, and the rotating nut on the dextrorotation screw mandrel is the right-handed nut;
In said structure, the bottom of described screw mandrel is connected with spiral gear, and this spiral gear disposes adjusting knob, but by this adjusting knob hand rotation screw mandrel to regulate the position of rotating nut on screw mandrel;
In said structure, be fixed with a fifth wheel below described ratch, described ratch is by fifth wheel and annular wheel engagement.
the beneficial effects of the utility model are: the utility model arranges the formation briquetting by the top of screw mandrel, the stroke briquetting is electrically connected to microswitch, and be provided with the opening that runs through rotating nut on rotating nut, by this kind structure, when rotating nut turns to the screw mandrel top, because rotating nut is provided with opening, under the effect of ratch rotating force, rotating nut struts, cause the sliding tooth between ratch and rotating nut, thereby after losing efficacy, microswitch still can protect ratch and rotating nut, this structure of the present utility model, spring and the pad of screw mandrel upper and lower have been removed, also need not to stay and enough make rotating nut break away from the distance of thread, at the protection ratch, in the time of screw mandrel and rotating nut, simplify the structure, make its installation process very simple, use and also become very convenient.
[description of drawings]
Fig. 1 is electric machine position limiter schematic perspective view of the prior art;
Fig. 2 is schematic perspective view of the present utility model;
Fig. 3 is the schematic perspective view after the utility model is removed holder;
Fig. 4 is the partial enlarged drawing at A place in Fig. 3;
Fig. 5 is the schematic perspective view of the utility model bottom.
[embodiment]
The utility model will be further described below in conjunction with drawings and Examples.
extremely shown in Figure 5 with reference to Fig. 2, the utility model has disclosed a kind of electric machine position limiter, this stop comprises holder 10, the bottom of holder 10 has a ring gear 20, this ring gear 20 is located on the base 101 of holder, holder 10 tops are provided with a microswitch seat 30, microswitch seat 30 is provided with a plurality of microswitches 301, with reference to Fig. 3, microswitch seat 30 belows are provided with a ratch 40, ratch 40 bottoms are being fixedly connected with a fifth wheel 401, this fifth wheel 401 and ring gear 20 engaged transmission, the both sides of ratch 40 are respectively equipped with a screw mandrel 50, be divided into left-handed screw mandrel 501 and dextrorotation screw mandrel 502, left-handed screw mandrel 501 all is arranged on holder 10 with the two ends of dextrorotation screw mandrel 502, and be equipped with rotating nut on left-handed screw mandrel 501 and dextrorotation screw mandrel 502, be divided into left-hand threaded nut 601 and right-handed nut 602, left-hand threaded nut 601 by with the threaded engagement of left-handed screw mandrel 601, can move up and down on left-handed screw mandrel 501, right-handed nut 602 by with the threaded engagement of dextrorotation screw mandrel 502, can move up and down on dextrorotation screw mandrel 502, has the tooth bar that is meshed with ratch 40 on left-hand threaded nut 601 and right-handed nut 602, so the rotation of ratch 40 can drive left-hand threaded nut 601 and right-handed nut 602 moves up and down on screw mandrel, left-handed screw mandrel 601 is provided with stroke briquetting 70 with the top of dextrorotation screw mandrel 602, the trip briquetting 70 is electrically connected to microswitch 301 on microswitch seat 30, therefore stroke briquetting 70 is being controlled the switch of microswitch 301.
in the present embodiment, with reference to shown in Figure 4, be provided with opening 603 on left-hand threaded nut 601 and right-handed nut 602, this opening 603 is located at left-hand threaded nut 601(right-handed nut 602) two tooth bars between, and with left-hand threaded nut 601(right-handed nut 602) in the middle of through hole be communicated with, by this kind structure, the utility model is when driving left-hand threaded nut 601 rotations by ratch 40, 602 of right-handed nuts rotate to another way, when one of them rotating nut is encountered stroke briquetting 70, can start travel switch 301, to send corresponding control signal, after rotating nut is encountered stroke briquetting 301, if ratch 40 does not stop operating, owing to being equipped with opening 603 on left-hand threaded nut 601 and right-handed nut 602, left-hand threaded nut 601 or right-handed nut 602 can be under the effects of ratch 40 rotating forces, left-hand threaded nut 601 or right-handed nut 602 strut, cause 602 of ratch 40 and left-hand threaded nut 601 or right-handed nuts' sliding tooth, this structure, spring and the pad of screw mandrel 50 upper and lowers have been removed, also need not to stay and enough make rotating nut break away from the distance of thread, at protection ratch 40, in the time of screw mandrel 50 and rotating nut, simplify the structure, make its installation process very simple, use and also become very convenient.In addition, with reference to Fig. 5, the bottom of screw mandrel 50 is connected with spiral gear 80, spiral gear 80 disposes adjusting knob 90, by this adjusting knob 90, can regulate the position of left-hand threaded nut 601 on left-handed screw mandrel 501, and regulate the position of right-handed nut 602 on dextrorotation screw mandrel 502, to regulate the stroke of curtain.
Described above is only preferred embodiment of the present utility model, and above-mentioned specific embodiment is not to restriction of the present utility model.In technological thought category of the present utility model, various distortion and modification can appear, and the retouching that all those of ordinary skill in the art make according to above description, revise or be equal to replacement, all belong to the scope that the utility model is protected.
Claims (4)
1. electric machine position limiter, it comprises holder, the holder bottom has a ring gear, the holder top is provided with a microswitch seat, be provided with the ratch that meshes with ring gear below described microswitch seat, the both sides of ratch are respectively equipped with a screw mandrel, and dispose respectively the rotating nut that meshes, also can move up and down on screw mandrel with ratch on screw mandrel, it is characterized in that: the top of described screw mandrel is provided with the stroke briquetting, and the trip briquetting is electrically connected to microswitch on the microswitch seat; Described rotating nut is provided with the opening through rotating nut.
2. a kind of electric machine position limiter according to claim 1, it is characterized in that: described screw mandrel is respectively left-handed screw mandrel and dextrorotation screw mandrel, and the rotating nut on left-handed screw mandrel is left-hand threaded nut, and the rotating nut on the dextrorotation screw mandrel is the right-handed nut.
3. a kind of electric machine position limiter according to claim 1 and 2, it is characterized in that: the bottom of described screw mandrel is connected with spiral gear, and this spiral gear disposes adjusting knob, but by this adjusting knob hand rotation screw mandrel to regulate the position of rotating nut on screw mandrel.
4. a kind of electric machine position limiter according to claim 1 is characterized in that: described ratch below is fixed with a fifth wheel, and described ratch meshes by fifth wheel and annular wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220690866 CN203012578U (en) | 2012-12-14 | 2012-12-14 | Motor stopper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220690866 CN203012578U (en) | 2012-12-14 | 2012-12-14 | Motor stopper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203012578U true CN203012578U (en) | 2013-06-19 |
Family
ID=48604152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220690866 Expired - Fee Related CN203012578U (en) | 2012-12-14 | 2012-12-14 | Motor stopper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203012578U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103389774A (en) * | 2013-07-23 | 2013-11-13 | 宁波市海誉机电科技有限公司 | Casement door machine stroke device |
| CN107167216A (en) * | 2017-05-20 | 2017-09-15 | 袁方 | The accurate blood plasma of one kind detection and haemocyte interface identifying device |
-
2012
- 2012-12-14 CN CN 201220690866 patent/CN203012578U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103389774A (en) * | 2013-07-23 | 2013-11-13 | 宁波市海誉机电科技有限公司 | Casement door machine stroke device |
| CN107167216A (en) * | 2017-05-20 | 2017-09-15 | 袁方 | The accurate blood plasma of one kind detection and haemocyte interface identifying device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Shenzhen Huangjia Zhenye Technology Co. Ltd. Assignor: Shenzhen City Zhihuang Science & Technology Co., Ltd. Contract record no.: 2015440020049 Denomination of utility model: Motor stopper Granted publication date: 20130619 License type: Exclusive License Record date: 20150212 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130619 Termination date: 20171214 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |