CN211479882U - Travel switch - Google Patents
Travel switch Download PDFInfo
- Publication number
- CN211479882U CN211479882U CN202020502683.1U CN202020502683U CN211479882U CN 211479882 U CN211479882 U CN 211479882U CN 202020502683 U CN202020502683 U CN 202020502683U CN 211479882 U CN211479882 U CN 211479882U
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- Prior art keywords
- gear shaft
- gear
- travel switch
- stroke
- driving medium
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Abstract
The utility model discloses a travel switch, include stroke gear, second grade driving medium, tertiary driving medium, press switching over subassembly and micro-gap switch, work as the second grade driving medium is relative when the stroke gear is in the position that breaks away from, but manual drive the second grade driving medium and then drive tertiary driving medium transmission. The utility model discloses a press switching subassembly and switch the second grade driving medium is relative the stroke gear switches between transmission position and break away from the position, works as the second grade driving medium is relative when the stroke gear is in the break away from the position, but manual drive the second grade driving medium, novel structure, the stroke is adjusted conveniently when the installation is rolled up curtain door motor moreover to the regulation precision is high.
Description
Technical Field
The utility model relates to a travel switch.
Background
As shown in fig. 1 to 3, in a conventional travel switch of a motor of a roller shutter door, a limit gear 1 'is in transmission connection with a secondary transmission gear 2', the secondary transmission gear 2 'is in transmission connection with a tertiary transmission gear 3', the tertiary transmission gear 3 'drives a rotating arm 7' to rotate, the rotating arm 7 'is provided with a trigger structure 71', and when the tertiary transmission gear 3 'rotates to a certain position, the trigger structure 71' triggers an ascending micro switch 4 'or a descending micro switch 5', so as to send a turn-off signal to the motor of the roller shutter door. The travel switch is adjusted during installation in the following manner: and loosening the butterfly nut 6 ', adjusting a rotating arm 7' synchronous with the three-stage transmission gear 3 ', and screwing the butterfly nut 6'. The adjustment of the stroke in this way has the following disadvantages: through nut and rocking arm regulation, it is loaded down with trivial details to adjust to the precision is not high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a travel switch.
The utility model provides a technical scheme that its technical problem adopted is:
a travel switch, comprising:
a stroke gear;
a secondary transmission member switchable between a transmission position and a disengagement position relative to the stroke gear;
the pressing switching component drives the secondary transmission piece to switch between the transmission position and the disengagement position;
the secondary transmission part is in driving connection with the tertiary transmission part; and
the trigger structure on the three-stage transmission part can trigger the microswitch;
when the secondary transmission member is located at a separation position relative to the stroke gear, the secondary transmission member can be manually driven to drive the tertiary transmission member to transmit.
In another preferred embodiment, the pressing switching assembly comprises a button gear shaft, a clutch gear shaft, a guide rail and a spring, the clutch gear shaft is matched with the gear surface of the button gear shaft, a sliding groove which can be matched with the guide rail is arranged on the clutch gear shaft, the tail end surface of the guide rail is an inclined surface which is matched with the clutch gear shaft, the button gear shaft pushes the clutch gear shaft to be rotationally clamped on the inclined surface of the guide rail or pushes the sliding groove on the clutch gear shaft to fall onto the guide rail, and the spring provides the reset force of the clutch gear shaft; the clutch gear shaft is in driving connection with the secondary transmission member.
In another preferred embodiment, the secondary drive member includes a fine adjustment wheel drivingly connected to the secondary drive member.
In another preferred embodiment, the three-stage transmission member is synchronously connected with a pointer in a transmission manner.
In another preferred embodiment, the device further comprises an outer shell, and an indication notch or an indication position is arranged on the outer wall of the outer shell.
In another preferred embodiment, a pre-tightening spring is arranged on the three-stage transmission member.
In another preferred embodiment, the device further comprises an outer shell, wherein an installation column hole is formed in the outer shell, a plurality of clamping jaws are arranged in the installation column hole, annular steps are arranged on the inner walls of the clamping jaws, an installation column is arranged on the stroke gear and/or the secondary transmission member and/or the tertiary transmission member, an annular boss is arranged on the installation column, the installation column can be inserted into the clamping jaws, and the annular boss can be clamped on the annular steps.
The beneficial effects of the utility model are that, owing to adopted to press the switching subassembly to switch the second grade driving medium is relative the stroke gear switches between transmission position and breaking away from the position, works as the second grade driving medium is relative when the stroke gear is in the breaking away from the position, but manual drive the second grade driving medium, novel structure, the stroke is adjusted conveniently when the installation is rolled up a curtain door motor moreover to it is high to adjust the precision. The pointer is connected in step to the tertiary driving medium, can directly perceivedly see the rotation and the position of tertiary driving medium. Be equipped with the pretension spring on the tertiary driving medium, prevent to press switching assembly when switching to the influence of beating of tertiary driving medium. The jack catch on the erection column hole is convenient for the grafting of erection column, and annular step and annular boss mutually support the joint, have the advantage of being convenient for the installation.
The present invention will be described in further detail with reference to the accompanying drawings and examples; however, the present invention is not limited to the embodiment.
Drawings
FIG. 1 is a schematic sectional view of a portion of the front face of a travel assembly of a prior art roller shutter motor.
Fig. 2 is a sectional view taken in the direction of a-a in fig. 1.
Fig. 3 is a sectional view taken in the direction B-B in fig. 1.
Fig. 4 is a schematic cross-sectional view of a preferred embodiment of the present invention.
Fig. 5 is a schematic exploded view of a preferred embodiment of the present invention.
Fig. 6 is a schematic exploded view of a second embodiment of the present invention.
Detailed Description
In the embodiment, referring to fig. 4, 5 and 6, the utility model discloses a travel switch, including shell body 1, travel gear 2, second drive gear 3, press switching component, fine setting wheel 4, tertiary drive gear 5 and micro-gap switch 6 have two sets ofly respectively, and two sets ofly correspond ascending stroke and descending stroke respectively, and this embodiment only describes one set of them.
The stroke gear 2 comprises a large gear and a small gear which are synchronously connected, the secondary transmission gear 3 comprises an upper gear and a lower gear, the large gear of the stroke gear is positioned outside the outer shell 1 and is connected with a roller shutter motor scroll gear, the small gear of the stroke gear 2 is positioned inside the outer shell 1 and can be meshed with or separated from the upper gear of the secondary transmission gear 3, and the lower gear of the secondary transmission gear 3 is meshed with and connected with the tertiary transmission gear 5. The three-stage transmission gear 5 is provided with a trigger structure 51, the trigger structure 51 can trigger the microswitch 6 to send a disconnection signal to the motor, and specifically, the trigger structure 51 is a convex rib axially extending on the three-stage transmission gear 3.
In this embodiment, the button switching assembly includes a button toothed shaft 71, a clutch toothed shaft 72, a guide rail 73 and a spring 74, the clutch toothed shaft 72 is in tooth surface fit with the button toothed shaft 71, a sliding slot 721 capable of being fitted with the guide rail 73 is arranged on the clutch toothed shaft 72, the end surface of the guide rail 73 is an inclined surface fitted with the clutch toothed shaft 72, the button toothed shaft 71 pushes the clutch toothed shaft 72 to be rotationally clamped on the inclined surface of the guide rail 73 or pushes the sliding slot 721 on the clutch toothed shaft 72 to fall onto the guide rail 73, and the spring 74 abuts between the lower gear of the secondary transmission gear 3 and the inner wall of the outer housing 1 to provide the reset force of the clutch toothed shaft 72; the clutch gear shaft 72 is drivingly connected to the secondary drive gear 3, so that the secondary drive gear 3 is positionable under the action of the push-button switch assembly in a disengaged position (position shown in the left group of fig. 4) and a transmission position (position shown in the right group of fig. 4) relative to the stroke gear 2. The structure of the button switching assembly of the present embodiment is similar to the driving structure of an automatic ball-point pen. In this embodiment, the fine adjustment wheel 4 is rotatably connected to the upper portion of the button gear shaft 71, and the fine adjustment wheel 4 is synchronously connected to the secondary transmission gear 3, so that when the secondary transmission gear 3 is located at the disengaging position, the fine adjustment wheel 4 is manually adjusted, that is, the secondary transmission gear 3 is manually adjusted so as to adjust the tertiary transmission gear 5. The fine adjustment wheel 4 is specifically installed in the following manner: the upper portion of the button gear shaft 71 is provided with four first clamping jaws, the four first clamping jaws surround to form a first quarter bayonet 711, the inner wall of the first quarter bayonet 711 is provided with a first annular boss 712, the fine adjustment wheel 4 extends downwards to form the plug column 41, the outer peripheral surface of the plug column 41 is provided with an annular groove 411, the plug column 41 of the fine adjustment wheel 4 is inserted into the quarter bayonet 711, and the first annular boss 712 is clamped in the annular groove 411.
In order to be intuitive, the three-stage transmission gear 5 is synchronously connected with a pointer 52 in a transmission manner, and an indicating notch 11 is arranged on the outer wall of the outer shell 1.
And a pre-tightening spring 53 is arranged on the third-stage transmission gear 5, and the pre-tightening spring 53 abuts between the third-stage transmission gear 5 and the inner wall of the outer shell 1.
In this embodiment, the stroke gear 2, the secondary transmission gear 3 and the tertiary transmission gear 5 are mounted on the outer housing 1 in the same mounting manner as follows, taking the tertiary transmission gear 5 as an example: be equipped with second erection column hole 12 on the shell body 1, be equipped with four second jack catchs on the second erection column hole 12, four second jack catchs encircle and form second quarter bayonet 121, the inner wall of second quarter bayonet 121 is equipped with second annular step 1211, be equipped with erection column 54 on the tertiary drive gear 5, be equipped with annular boss 521 on the erection column 54, the erection column 54 can insert in the second quarter bayonet 121 and but second annular boss 521 joint is in on the second annular step 1211.
The working principle of the embodiment is as follows:
when the secondary transmission gear 3 is in a transmission position (as a right group in fig. 4), the stroke gear 2 rotates to drive the secondary transmission gear 3 to drive the tertiary transmission gear 5 to transmit, and after a certain distance of transmission, the trigger structure 51 of the tertiary transmission gear 5 triggers the microswitch 6, and the microswitch 6 sends a disconnection signal to the motor to stop the motor.
The fine adjustment wheel 4 is pressed, the switching component is pressed to work, the secondary transmission gear 3 is driven to run downwards and is positioned at a separation position (as a left group in the figure 4), the stroke gear 1 rotates and does not drive the secondary transmission gear 3 to rotate, and the fine adjustment wheel 4 can be manually adjusted to drive the secondary transmission gear 3 to drive the tertiary transmission gear 5 to transmit.
The installation adjustment process of this embodiment:
when leaving the factory, the pointer 52 is aligned with the pointer notch 11, the motor is started after the stroke gear 2 is matched with the motor reel gear, when the rolling door is driven to a proper position, the motor is turned off, the fine adjustment wheel 4 is pressed to enable the secondary transmission gear 3 and the stroke gear 2 to be separated relatively, the fine adjustment wheel 4 is manually adjusted until the stroke switch acts, and the fine adjustment wheel 4 is pressed again to enable the secondary transmission gear 3 and the stroke gear 2 to be in relative transmission.
The above embodiments are only used to further illustrate the present invention, but the present invention is not limited to the embodiments, and any simple modification, equivalent change and modification of the technical entity of the present invention to the above embodiments all fall into the protection scope of the technical solution of the present invention.
Claims (7)
1. A travel switch, characterized by: it includes:
a stroke gear;
a secondary transmission member switchable between a transmission position and a disengagement position relative to the stroke gear;
the pressing switching component drives the secondary transmission piece to switch between the transmission position and the disengagement position;
the secondary transmission part is in driving connection with the tertiary transmission part; and
the trigger structure on the three-stage transmission part can trigger the microswitch;
when the secondary transmission member is located at a separation position relative to the stroke gear, the secondary transmission member can be manually driven to drive the tertiary transmission member to transmit.
2. A travel switch according to claim 1, wherein: the press switching assembly comprises a button gear shaft, a clutch gear shaft, a guide rail and a spring, the clutch gear shaft is matched with the gear surface of the button gear shaft, a chute which can be matched with the guide rail is arranged on the clutch gear shaft, the tail end surface of the guide rail is an inclined surface matched with the clutch gear shaft, the button gear shaft pushes the clutch gear shaft to be rotationally clamped on the inclined surface of the guide rail or pushes the chute on the clutch gear shaft to fall onto the guide rail, and the spring provides a reset force of the clutch gear shaft; the clutch gear shaft is in driving connection with the secondary transmission member.
3. A travel switch according to claim 1 or 2, characterized in that: the secondary transmission part comprises a fine adjustment wheel, and the fine adjustment wheel is in transmission connection with the secondary transmission part.
4. A travel switch according to claim 1, wherein: the three-stage transmission part is synchronously connected with a pointer in a transmission way.
5. A travel switch according to claim 4, wherein: still include the shell body, be equipped with on the outer wall of shell body and instruct breach or instruction position.
6. A travel switch according to claim 1, wherein: and a pre-tightening spring is arranged on the third-stage transmission part.
7. A travel switch according to claim 1, wherein: still include the shell body, be equipped with the erection column hole on the shell body, be equipped with a plurality of jack catchs on the erection column hole, the inner wall of a plurality of jack catchs is equipped with annular step, stroke gear and/or the second grade driving medium and/or be equipped with the erection column on the tertiary driving medium, be equipped with annular boss on the erection column, the erection column can insert in the jack catch and but annular boss joint is in on the annular step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020502683.1U CN211479882U (en) | 2020-04-08 | 2020-04-08 | Travel switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020502683.1U CN211479882U (en) | 2020-04-08 | 2020-04-08 | Travel switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211479882U true CN211479882U (en) | 2020-09-11 |
Family
ID=72380347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020502683.1U Active CN211479882U (en) | 2020-04-08 | 2020-04-08 | Travel switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211479882U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111463032A (en) * | 2020-04-08 | 2020-07-28 | 漳州市长泰新麒麟机械有限公司 | Travel switch |
-
2020
- 2020-04-08 CN CN202020502683.1U patent/CN211479882U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111463032A (en) * | 2020-04-08 | 2020-07-28 | 漳州市长泰新麒麟机械有限公司 | Travel switch |
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