CN111463032A - Travel switch - Google Patents
Travel switch Download PDFInfo
- Publication number
- CN111463032A CN111463032A CN202010267750.0A CN202010267750A CN111463032A CN 111463032 A CN111463032 A CN 111463032A CN 202010267750 A CN202010267750 A CN 202010267750A CN 111463032 A CN111463032 A CN 111463032A
- Authority
- CN
- China
- Prior art keywords
- gear shaft
- gear
- secondary transmission
- travel switch
- transmission member
- 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.)
- Granted
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 47
- 208000032370 Secondary transmission Diseases 0.000 claims abstract description 43
- 238000000926 separation method Methods 0.000 claims abstract description 8
- 238000009434 installation Methods 0.000 description 8
- 230000001174 ascending effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
- H01H3/16—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch adapted for actuation at a limit or other predetermined position in the path of a body, the relative movement of switch and body being primarily for a purpose other than the actuation of the switch, e.g. for a door switch, a limit switch, a floor-levelling switch of a lift
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
- H01H3/16—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch adapted for actuation at a limit or other predetermined position in the path of a body, the relative movement of switch and body being primarily for a purpose other than the actuation of the switch, e.g. for a door switch, a limit switch, a floor-levelling switch of a lift
- H01H3/166—Self-adjusting mountings, transmissions and the like
Landscapes
- Push-Button Switches (AREA)
Abstract
The invention discloses a travel switch which comprises a travel gear, a secondary transmission member, a tertiary transmission member, a pressing switching assembly and a microswitch, wherein when the secondary transmission member is positioned at a separation position relative to the travel gear, the secondary transmission member can be manually driven to further drive the tertiary transmission member to transmit. According to the invention, the secondary transmission member is switched between the transmission position and the separation position relative to the stroke gear by pressing the switching component, and when the secondary transmission member is positioned at the separation position relative to the stroke gear, the secondary transmission member can be manually driven, so that the structure is novel, the stroke adjustment is convenient when the roller shutter door motor is installed, and the adjustment precision is high.
Description
Technical Field
The invention 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.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a travel switch.
The technical scheme adopted by the invention for solving the technical problems is as follows:
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 invention has the advantages that the secondary transmission member is switched between the transmission position and the separation position relative to the stroke gear by adopting the pressing switching component, when the secondary transmission member is positioned at the separation position relative to the stroke gear, the secondary transmission member can be manually driven, the structure is novel, the stroke adjustment is convenient when the roller shutter door motor is installed, and the adjustment precision is high. 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 invention is further explained in detail with the accompanying drawings and the embodiments; a travel switch of 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 cross-sectional view of a preferred embodiment of the present invention.
Fig. 5 is a first 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, a travel switch of the present invention includes an outer casing 1, a travel gear 2, a secondary transmission gear 3, a push switching component, a fine adjustment wheel 4, a tertiary transmission gear 5 and a micro switch 6, where the secondary transmission gear 3, the push switching component, the fine adjustment wheel 4, the tertiary transmission gear 5 and the micro switch 6 are respectively provided with two sets, and the two sets respectively correspond to an ascending stroke and a descending stroke, and only one set is described in this embodiment.
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 travel switch of the present invention, but the present invention is not limited to the embodiments, and any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention fall within 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 |
---|---|---|---|
CN202010267750.0A CN111463032B (en) | 2020-04-08 | Travel switch |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202010267750.0A CN111463032B (en) | 2020-04-08 | Travel switch |
Publications (2)
Publication Number | Publication Date |
---|---|
CN111463032A true CN111463032A (en) | 2020-07-28 |
CN111463032B CN111463032B (en) | 2024-07-26 |
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20110116577A (en) * | 2010-04-19 | 2011-10-26 | 린나이코리아 주식회사 | Apparatus for driving valves |
CN105207409A (en) * | 2015-09-15 | 2015-12-30 | 凌明明 | Multipurpose motor and method for multipurpose adjustment by applying same |
CN211479882U (en) * | 2020-04-08 | 2020-09-11 | 漳州市长泰新麒麟机械有限公司 | Travel switch |
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20110116577A (en) * | 2010-04-19 | 2011-10-26 | 린나이코리아 주식회사 | Apparatus for driving valves |
CN105207409A (en) * | 2015-09-15 | 2015-12-30 | 凌明明 | Multipurpose motor and method for multipurpose adjustment by applying same |
CN211479882U (en) * | 2020-04-08 | 2020-09-11 | 漳州市长泰新麒麟机械有限公司 | Travel switch |
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