CN204516610U - The driving mechanism of the inner sensitive switch of a kind of limit switch - Google Patents
The driving mechanism of the inner sensitive switch of a kind of limit switch Download PDFInfo
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- CN204516610U CN204516610U CN201520006300.0U CN201520006300U CN204516610U CN 204516610 U CN204516610 U CN 204516610U CN 201520006300 U CN201520006300 U CN 201520006300U CN 204516610 U CN204516610 U CN 204516610U
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Abstract
The utility model relates to the driving mechanism of the inner sensitive switch of a kind of limit switch, comprise capsule components, frizzen parts and adjustable post rod parts, the mobilizable level in one end of described frizzen parts is embedded on a side of described capsule components, the other end of described frizzen parts is connected with described adjustable post rod parts, described capsule components is provided with can the rotating shaft of axial rotation, the axial rotation of described rotating shaft can drive described frizzen component level to move forward and backward, thus drives adjustable post rod parts level to move forward and backward.Hinge structure, the utility model requires low to dimensional accuracy, final assembly requirement and adjustment, and steady quality, transmission is efficient.
Description
Technical field
The utility model relates to industrial stokehold, elevator and opens heavy equipment technical field, particularly a kind of driving mechanism being applied to the inner sensitive switch of limit switch of the spacing occasion of mechanical location.
Background technology
Fig. 5 and Fig. 6 is the model simplification schematic diagram of traditional limit switch, and as can be seen from two figure, the driving mechanism of these two kinds of limit switches is primarily of push rod, main chamber, back-moving spring composition, and sensitive switch parts are primarily of lever and sensitive switch main body composition.The push rod of driving mechanism promotes the downward action of lever under external force, frizzen drives the contact chip commutation of one with it, thus reach one group of electrode (A1A2 or C, NC) disconnection, the function that another group electrode (B1B2 or C, NO) is connected.When external force is cancelled, push rod upwards resets under the effect of back-moving spring, eliminate the motive force of lever, lever also in sensitive switch main body back-moving spring effect under reset, the contact chip of one is with it driven upwards to commutate, thus reach one group of electrode (A1A2 or C, NC) connection, the function that another group electrode (B1B2 or C, NO) disconnects.
Above-mentioned driving mechanism simple and reliable for structure, cost is extremely low, but require higher to the dimensional accuracy of parts, final assembly requirement and adjustment, because push rod acts directly in lever, if the distance do not controlled well between sensitive switch parts and driving mechanism parts during assembling adjustment, the distance of push rod likely movement is inadequate, thus two arrays of electrodes can not be made well to commutate; Or push rod displacement is excessive, cause power unnecessary on push rod to act directly on sensitive switch parts, crush sensitive switch parts (this component materials is engineering plastics, can not bear larger external force) and cause product failure.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of low to dimensional accuracy, final assembly requirement and adjustment requirement, steady quality, the driving mechanism of the inner sensitive switch of the efficient limit switch of transmission.
The technical scheme that the utility model solves the problems of the technologies described above is as follows: the driving mechanism of the inner sensitive switch of a kind of limit switch, comprise capsule components, frizzen parts and adjustable post rod parts, the mobilizable level in one end of described frizzen parts is embedded on a side of described capsule components, the other end of described frizzen parts is connected with described adjustable post rod parts, described capsule components is provided with can the rotating shaft of axial rotation, the axial rotation of described rotating shaft can drive described frizzen component level to move forward and backward, thus drives adjustable post rod parts level to move forward and backward.
The beneficial effects of the utility model are: capsule components promotes frizzen parts under external force, and frizzen parts promote the electrode group disconnection or closed that adjustable post rod parts controls micro switch, and stable transmission, transmission efficiency is high.
On the basis of technique scheme, the utility model can also do following improvement.
Further, described capsule components comprises the first pedestal, the first back-moving spring and spring housing, first cavity of opening towards described frizzen parts is provided with in described first pedestal, described first back-moving spring is placed at the bottom of the chamber of described first cavity, described spring housing is sleeved on outside described first back-moving spring, mobilizable upper end passing described first pedestal, the top of described rotating shaft, the bottom of described rotating shaft is positioned at the opening part of described first cavity and abuts with described spring housing.
The beneficial effect of above-mentioned further scheme is adopted to be: rotating shaft, under external force around two sideway swivel of axle center while, promotes the reach of frizzen parts; After external force is eliminated, the first back-moving spring can drive rotating shaft to reset, and spring housing can stablize the first back-moving spring, and promote the steadiness of this device, transmission efficiency is high.
Further, described frizzen parts comprise triggering axle sleeve, frizzen spring, frizzen and pad, described triggering axle sleeve can abutting with the bottom of described rotating shaft of moving forward and backward of level, described triggering axle sleeve is provided with second cavity of opening towards described adjustable post rod parts, described frizzen spring is placed at the bottom of the chamber of described second cavity, described frizzen can level movable be placed in described second cavity, and its one end abuts described frizzen spring, the other end passes described second cavity and is connected with described adjustable post rod parts, described pad is fixedly placed in the opening part of described triggering axle sleeve, and it can limit described frizzen and stretches out described second cavity near one end of described frizzen spring.
The beneficial effect of above-mentioned further scheme is adopted to be: under the promotion of rotating shaft, triggering axle sleeve moves forward, drive frizzen moves forward, frizzen reach drives the running of adjustable post rod parts, frizzen spring can cushion the displacement of frizzen, require low to the dimensional accuracy of accessory, final assembly requirement and adjustment, also can realize driving adjustable post rod parts operate, and running firmly.
Further, described adjustable post rod parts comprises the second pedestal, push rod, fillister head screw, split washer and the second back-moving spring, described push rod can horizontal shifting be embedded on described second pedestal, described fillister head screw is fixedly placed in described push rod one end near described frizzen parts, and described fillister head screw is connected with the frizzen of described frizzen parts is dismountable, described split washer is fixedly set on described push rod, described second back-moving spring is sleeved on described push rod, and it is between described second pedestal and split washer.
The beneficial effect of above-mentioned further scheme is adopted to be: frizzen parts promote fillister head screw and move, fillister head screw drives push rod to move, push rod promotes micro switch and carries out switch, and the second back-moving spring can reset to push rod, improves the operational paradigm of micro switch.
Accompanying drawing explanation
Fig. 1 is the structural representation of the driving mechanism of the inner sensitive switch of a kind of limit switch of the utility model;
Fig. 2 is the structural representation of rotating shaft and frizzen parts;
Fig. 3 is the structural representation that rotating shaft rotarily drives the movement of frizzen parts;
Fig. 4 is the structural representation that rotating shaft reset drives frizzen member reset;
Fig. 5 is the structural representation of traditional limit switch;
Fig. 6 is the structural representation of traditional limit switch.
In accompanying drawing, the list of parts representated by each label is as follows:
1, capsule components, the 11, first pedestal, the 12, first back-moving spring, 13, spring housing, 14, rotating shaft, the 15, first cavity;
2, frizzen parts, 21, trigger axle sleeve, 22, frizzen spring, 23, frizzen, 24, pad, the 25, second cavity;
3, adjustable post rod parts, the 31, second pedestal, 32, push rod, 33, fillister head screw, 34, split washer, the 35, second back-moving spring.
Embodiment
Be described principle of the present utility model and feature below in conjunction with accompanying drawing, example, only for explaining the utility model, is not intended to limit scope of the present utility model.
As depicted in figs. 1 and 2, the driving mechanism of the inner sensitive switch of a kind of limit switch, comprise capsule components 1, frizzen parts 2 and adjustable post rod parts 3, the mobilizable level in one end of described frizzen parts 2 is embedded on a side of described capsule components 1, the other end of described frizzen parts 2 is connected with described adjustable post rod parts 3, described capsule components 1 is provided with can the rotating shaft 14 of axial rotation, the axial rotation of described rotating shaft 14 can drive described frizzen parts 2 level to move forward and backward, thus drives adjustable post rod parts 3 level to move forward and backward.
Described capsule components 1 comprises the first pedestal 11, first back-moving spring 12 and spring housing 13, first cavity 15 of opening towards described frizzen parts 2 is provided with in described first pedestal 11, described first back-moving spring 12 is placed at the bottom of the chamber of described first cavity 15, described spring housing 13 is sleeved on outside described first back-moving spring 12, mobilizable upper end passing described first pedestal 11, the top of described rotating shaft 14, the bottom of described rotating shaft 14 is positioned at the opening part of described first cavity 15 and abuts with described spring housing 13.
Described frizzen parts 2 comprise triggering axle sleeve 21, frizzen spring 22, frizzen 23 and pad 24, described triggering axle sleeve 21 can abutting with the bottom of described rotating shaft 14 of moving forward and backward of level, described triggering axle sleeve 21 is provided with second cavity 25 of opening towards described adjustable post rod parts 3, described frizzen spring 22 is placed at the bottom of the chamber of described second cavity 25, described frizzen 23 can level movable be placed in described second cavity 25, and its one end abuts described frizzen spring 22, the other end passes described second cavity 25 and is connected with described adjustable post rod parts 3, described pad 24 is fixedly placed in the opening part of described triggering axle sleeve 21, and it can limit described frizzen 23 and stretches out described second cavity 25 near one end of described frizzen spring 22.
Described adjustable post rod parts 3 comprises the second pedestal 31, push rod 32, fillister head screw 33, split washer 34 and the second back-moving spring 35, described push rod 32 can horizontal shifting be embedded on described second pedestal 31, described fillister head screw 33 is fixedly placed in described push rod 32 one end near described frizzen parts 2, and described fillister head screw 33 is connected with the frizzen 23 of described frizzen parts 2 is dismountable, described split washer 34 is fixedly set on described push rod 32, described second back-moving spring 35 is sleeved on described push rod 32, and it is between described second pedestal 31 and split washer 34.
Implement this device, as shown in Figure 3, rotating shaft 14 center two sideway swivel around the shaft under the effect of external force of capsule components 1, frizzen parts 2 move forward along with the rotation of rotating shaft 14, promote adjustable post rod parts 3 to move forward, adjustable post rod parts 3 promotes lever 41 again and moves, thus allows contact C and NC of micro switch 4 disconnect, contact C and NO of micro switch 4 connects, and reaches the function of electrode commutation.
As shown in Figure 4, when external force is eliminated, rotating shaft 14 resets under the effect of the first back-moving spring 12, adjustable post rod parts 3 resets under the effect of the second back-moving spring 35, and promote frizzen parts 2 and reset, the thrust of lever 41 is eliminated simultaneously, and contact C and NC of micro switch 4 connects, contact C and NO of micro switch 4 disconnects, and reaches the function that electrode resets.
The frizzen 23 of frizzen parts 2 plays the effect of transmitting force and displacement, allows the displacement of rotating shaft 14 finally be delivered in lever 41; If in production, assembling or debug products process, the excessive off-design requirement of dimension chain, when the distance that frizzen parts 2 move forward is excessive, due to the effect of frizzen spring 22, unnecessary displacement and power can be stored by compression frizzen spring 22, and frizzen 23 can not be allowed to crush micro switch 4.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (4)
1. the driving mechanism of the inner sensitive switch of limit switch, it is characterized in that: comprise capsule components (1), frizzen parts (2) and adjustable post rod parts (3), the mobilizable level in one end of described frizzen parts (2) is embedded on a side of described capsule components (1), the other end of described frizzen parts (2) is connected with described adjustable post rod parts (3), described capsule components (1) is provided with can the rotating shaft (14) of axial rotation, the axial rotation of described rotating shaft (14) can drive described frizzen parts (2) level to move forward and backward, thus drive adjustable post rod parts (3) level to move forward and backward.
2. the driving mechanism of the inner sensitive switch of a kind of limit switch according to claim 1, it is characterized in that: described capsule components (1) comprises the first pedestal (11), first back-moving spring (12) and spring housing (13), first cavity (15) of opening towards described frizzen parts (2) is provided with in described first pedestal (11), described first back-moving spring (12) is placed at the bottom of the chamber of described first cavity (15), described spring housing (13) is sleeved on described first back-moving spring (12) outward, mobilizable upper end passing described first pedestal (11), the top of described rotating shaft (14), the bottom of described rotating shaft (14) is positioned at the opening part of described first cavity (15) and abuts with described spring housing (13).
3. the driving mechanism of the inner sensitive switch of a kind of limit switch according to claim 2, it is characterized in that: described frizzen parts (2) comprise triggers axle sleeve (21), frizzen spring (22), frizzen (23) and pad (24), described triggering axle sleeve (21) can movable the abutting with the bottom of described rotating shaft (14) of level, described triggering axle sleeve (21) is provided with second cavity (25) of opening towards described adjustable post rod parts (3), described frizzen spring (22) is placed at the bottom of the chamber of described second cavity (25), described frizzen (23) can level movable be placed in described second cavity (25), and its one end abuts described frizzen spring (22), the other end passes described second cavity (25) and is connected with described adjustable post rod parts (3), described pad (24) is fixedly placed in the opening part of described triggering axle sleeve (21), and described second cavity (25) is stretched out in its one end that can limit the close described frizzen spring (22) of described frizzen (23).
4. the driving mechanism of the inner sensitive switch of a kind of limit switch according to any one of claims 1 to 3, it is characterized in that: described adjustable post rod parts (3) comprises the second pedestal (31), push rod (32), fillister head screw (33), split washer (34) and the second back-moving spring (35), described push rod (32) can horizontal shifting be embedded on described second pedestal (31), described fillister head screw (33) is fixedly placed in described push rod (32) one end near described frizzen parts (2), and described fillister head screw (33) is connected with the frizzen (23) of described frizzen parts (2) is dismountable, described split washer (34) is fixedly set on described push rod (32), described second back-moving spring (35) is sleeved on described push rod (32), and it is between described second pedestal (31) and split washer (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520006300.0U CN204516610U (en) | 2015-01-06 | 2015-01-06 | The driving mechanism of the inner sensitive switch of a kind of limit switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201520006300.0U CN204516610U (en) | 2015-01-06 | 2015-01-06 | The driving mechanism of the inner sensitive switch of a kind of limit switch |
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| CN204516610U true CN204516610U (en) | 2015-07-29 |
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| CN201520006300.0U Active CN204516610U (en) | 2015-01-06 | 2015-01-06 | The driving mechanism of the inner sensitive switch of a kind of limit switch |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111685849A (en) * | 2020-06-24 | 2020-09-22 | 李著 | Stone fetching device and method capable of automatically distinguishing size of stone and automatically smashing stone |
| CN113719553A (en) * | 2021-09-27 | 2021-11-30 | 浙江欣兴工具有限公司 | Bidirectional switching mechanism and switching method |
-
2015
- 2015-01-06 CN CN201520006300.0U patent/CN204516610U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111685849A (en) * | 2020-06-24 | 2020-09-22 | 李著 | Stone fetching device and method capable of automatically distinguishing size of stone and automatically smashing stone |
| CN113719553A (en) * | 2021-09-27 | 2021-11-30 | 浙江欣兴工具有限公司 | Bidirectional switching mechanism and switching method |
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