CN220726171U - Rolling slats door motor meets and hinders stop device - Google Patents

Abstract

The utility model relates to the technical field of roller shutter door motors, and discloses a blocking and stopping device for a roller shutter door motor, which structurally comprises a protective shell, a matching bin directly connected to the lower end of the protective shell, a sliding block slidingly connected in the matching bin, a trigger piece arranged in the sliding block, and a contact switch arranged in the protective shell and in the same vertical direction with the trigger piece, and has the beneficial effects that: through setting up the sliding block at the stop device lower extreme of door body bottom, when touching the barrier, the sliding block can slide in the cooperation storehouse to drive inside trigger lever top ejector pin trigger contact switch, make the door body when meetting the barrier can be fast in the cable that is connected between contact switch and the motor will stop electric signal transmission to rolling slats door motor, with this shut down motor, prevent that the door body from continuously falling and causing the damage to the barrier, can respond fast and stop the motor when meetting the barrier in sum through stopping the device.

Description

Rolling slats door motor meets and hinders stop device

Technical Field

The utility model relates to the technical field of roller shutter door motors, in particular to a blocking stopping device for a roller shutter door motor.

Background

The electric rolling door is characterized in that door sheets which are articulated are connected in series, the rolling door is driven by a motor unit, and the rolling door is arranged in a fixed slideway and rotates up and down by taking a scroll above the door as a center. The method is suitable for public places or houses such as business gatekeepers, garages, markets, hospitals, factories and mining enterprises and the like. Especially, the door opening is bigger, and the place inconvenient to install the ground door body plays a convenient and quick opening role. Such as garage doors, store fire-resistant roll-up door hangar doors.

The utility model discloses a blocking stopping system for a roller shutter door and window, which is disclosed in Chinese patent document CN219012439U, and comprises a bottom plate, a large gear, a chain, a gear box, a motor, a transmission gear and a blocking stopping device, and has the beneficial effects that: through add on the rolling slats door motor and meet blocking stop device, utilize when the rolling slats door meets blocking motor chain can take place not hard up to lose with the last gear engagement of resilient means, make the spring on the resilient means lose after the gear loses the engagement and lose the pressure and can drive the response lamp and shift up the response scope that resets to enter into the inductor, thereby make the inductor can detect the response lamp thereby judge the decline of rolling slats door and meet blocking, then to the controller in the gear box send out the signal of stopping, can make when the lift process of rolling slats door meets blocking, the driver can not appear because of still continuing work and lead to the condition that the driver takes place to damage.

In the above-mentioned meet stop system, meet the hindrance when rolling slats door lower extreme contacts the object and leads to rolling slats door to descend, rotate continuously through rolling slats door motor and lead to the chain not hard up to discern the chain that becomes flexible through above-mentioned system in order to let rolling slats door motor stop operation, this mode makes meet and hinders stop system response time longer, consequently need a rolling slats door motor meet stop device.

Disclosure of Invention

1. Technical problem to be solved by the utility model

Aiming at the problems in the prior art, the utility model aims to provide the blocking stopping device for the roller shutter door motor, which has the advantage of rapidly responding to stop of the roller shutter door motor when the lower end of the door body presses an obstacle, and solves the problem that the reaction time is too long because a chain is needed to loosen in the traditional blocking stopping system.

2. Technical proposal

In order to solve the problems, the utility model adopts the following technical scheme.

The motor stop device comprises a motor, a sliding rail, a door body and a stop device arranged at the bottom end of the door body, wherein the stop device comprises a protective shell, a matching bin directly connected to the lower end of the protective shell, a sliding block sliding in the matching bin, a trigger piece arranged in the sliding block, and a contact switch arranged in the protective shell and in the same vertical direction with the trigger piece.

Through the technical scheme, the sliding block slides upwards to drive the push rod on the trigger rod arranged inside to push the trigger switch, so that the electric signal is transmitted to the motor.

Preferably, the contact switch comprises a wire collector arranged on one side for collecting a wire connected between the contact switch and the motor.

As an optimization, the trigger piece comprises a trigger cylinder fixed at the lower end of the matching bin, a spring connected between the trigger cylinder and the sliding block, and a trigger rod directly connected in the spring.

Through the technical scheme, the spring acts on when the pressing foreign matter at the lower end of the sliding block is withdrawn, and elastic potential energy is released through the spring to reset the sliding block, so that the ejector rod does not contact the contact switch any more, and the motor can normally operate.

As an optimization, the trigger cylinder comprises an ejector rod which is connected with the inside in a sliding way, and the ejector rod is arranged in a T shape to be matched with the trigger rod to touch the contact switch.

As optimization, the wire winding device comprises a shell, a fixed rod arranged at two ends of the shell so that the wire winding device is fixed in the sliding rail, and a wire winding shaft arranged in the shell and hinged with torsion springs at two ends.

Through above-mentioned technical scheme, the position of admission machine is fixed in the slide rail through the dead lever, can make the cable tighten all the time through torsional spring articulated receipts spool in the admission machine can not scratch the door body.

Preferably, the housing includes openings symmetrically disposed on the surface.

Through above-mentioned technical scheme, specifically be that one side opening cable outlet end is connected on the motor, and another end cable is connected on contact switch to this is triggered the back through the cable with the signal transmission in the motor, can let the motor close.

As an optimization, the contact switch is fixed by a pressing piece which is connected to the matching bin through threads.

When the door body descends to the bottommost end, the sliding block also contacts the ground, and through the technical scheme, the motor can be automatically stopped by matching the trigger piece.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that: according to the utility model, the sliding block is additionally arranged at the lower end of the blocking device at the bottom end of the door body, and when an obstacle is encountered, the sliding block slides in the matched bin, so that the inner trigger rod is driven to push the ejector rod to trigger the contact switch, the door body can rapidly transmit a stopped electric signal to the roller shutter door motor through a cable connected between the contact switch and the motor when the obstacle is encountered, the motor is stopped, the damage to the obstacle caused by continuous descending of the door body is prevented, and the motor can be rapidly responded and stopped when the obstacle is encountered through the blocking device.

Drawings

FIG. 1 is a schematic diagram of a motor stop device for a roller shutter door;

FIG. 2 is a schematic view of a stopping device according to the present utility model;

FIG. 3 is a schematic diagram of the structure of FIG. 2A;

FIG. 4 is a schematic diagram of a wire takeup device according to the present utility model;

FIG. 5 is a schematic view of the structure of the stop device of the present utility model;

fig. 6 is a schematic view of the structure of the trigger of the stopping device of the present utility model.

Reference numerals in the drawings: the wire winding device comprises a motor-1, a sliding rail-4, a door body-2, a stopping device-3, a protective shell-31, a matching bin-32, a sliding block-33, a contact switch-72, a wire winding device-35, a triggering cylinder-75, a spring-76, a straight triggering rod-343, a push rod-332, a shell-421, a fixing rod-443, a wire winding shaft-432 and a pressing sheet-71.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1-6, a motor stopping device for a door body 2 is disclosed, which structurally comprises a motor 1, a sliding rail 4, a door body 2, and a stopping device 3 arranged at the bottom end of the door body 2, wherein the stopping device 3 comprises a protective shell 31, a matching bin 32 directly connected to the lower end of the protective shell 31, a sliding block 33 sliding in the matching bin 32, a trigger piece arranged in the sliding block 33, and a contact switch 72 arranged in the protective shell 31 and in the same vertical direction as the trigger piece.

When the door body 2 is unreeled and descends to touch the foreign matter at the bottom end, the sliding block 33 slides up to drive the trigger rod 343 arranged inside to push the push rod 332 up so as to push the trigger switch 72 to transmit an electric signal to the motor 1, and the motor 1 is controlled to stop operating.

In the present embodiment, the contact switch 72 includes the wire takeup 35 provided at one side for collecting the wire connected between the contact switch 72 and the motor 1.

In this embodiment, the trigger comprises a trigger cylinder 75 fixed at the lower end of the mating bin 32, a spring 76 connected between the trigger cylinder 75 and the slider 33, and a trigger lever 343 directly connected in the spring 76.

The spring 76 acts to release elastic potential energy through the spring 76 to reset the slider 33 when the pressing foreign matter at the lower end of the slider 33 is withdrawn, so that the push rod 332 no longer contacts the contact switch 72, and the motor 1 can operate normally.

In this embodiment, the trigger 75 includes a push rod 332 slidably connected to the inside, and the push rod 332 is T-shaped to cooperate with the trigger lever 343 to trigger the contact switch 72.

In this embodiment, the wire takeup device 35 includes a housing 421, a fixing lever 443 provided at both ends of the housing 421 so that the wire takeup device 35 is fixed in the slide rail 4, and a wire takeup shaft 432 disposed in the housing 421 and having torsion springs hinged at both ends.

The position of the wire takeup device 35 is fixed in the slide rail 4 through the fixing rod 443, when the door body 2 is wound and unwound, the contact switch 72 arranged at the lower end of the door body 2 moves along with the position, and the wire can be always stretched and not scratched to the door body 2 through the wire takeup shaft 432 hinged in the wire takeup device 35 through the torsion spring.

In this embodiment, the housing 421 includes openings symmetrically disposed on a surface.

The opening, specifically, the cable outlet end of the cable in the opening at one side is connected to the motor 1, and the cable at the other end is connected to the contact switch 72, so that after the contact switch 72 is triggered, an electric signal is transmitted to the motor 1 through the cable, and the motor 1 is turned off.

In this embodiment, the contact switch 72 is secured by a tab 71 that is threaded onto the mating compartment 32.

In this embodiment, when the door body 2 descends to the bottommost end, the sliding block 33 also contacts the ground, and the motor 1 can be automatically stopped by the cooperation of the trigger pieces.

When the door body 2 descends, if the sliding block 33 in the stopping device 3 arranged at the lower end firstly contacts with an obstacle, so that the sliding block 33 slides upwards, the ejector rod 332 is pushed against the trigger rod 343 arranged inside, the ejector rod 332 can push against the contact switch 72, and after triggering, an electric signal is transmitted to the motor 1 through a cable connected with the contact switch 72 and the motor 1, so that the motor 1 stops operating.

When the door body 2 is wound and unwound, the cables connected between the contact switch 72 and the motor 1 are retracted through the winding shafts 432 hinged to the two sides of the winding device 35 by using torsion springs, so that the cables can be tensioned into a straight line in the sliding rail 4, and the damage caused by touching the door body 2 is prevented.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a stop device is blocked to rolling slats door motor chance, its structure includes motor (1), slide rail (4), door body (2), locates stop device (3) of door body (2) bottom, its characterized in that: the stopping device (3) comprises a protective shell (31), a matching bin (32) directly connected to the lower end of the protective shell (31), a sliding block (33) slidingly connected in the matching bin (32), a trigger piece arranged in the sliding block (33), and a contact switch (72) arranged in the protective shell (31) and in the same vertical direction with the trigger piece;

the contact switch (72) comprises a wire collector (35) arranged on one side and used for collecting cables connected between the contact switch (72) and the motor (1).

2. The stop device for a roller shutter motor according to claim 1, wherein: the trigger piece comprises a trigger cylinder (75) fixed at the lower end of the matching bin (32), a spring (76) connected between the trigger cylinder (75) and the sliding block (33), and a trigger rod (343) directly connected in the spring (76).

3. The stop device for a roller shutter motor according to claim 2, wherein: the trigger cylinder (75) comprises a push rod (332) which is connected with the inside in a sliding way, and the push rod (332) is arranged in a T shape to be matched with the trigger rod (343) to trigger the contact switch (72).

4. The stop device for a roller shutter motor according to claim 1, wherein: the wire collector (35) comprises a shell (421), a fixing rod (443) arranged at two ends of the shell (421) to enable the wire collector (35) to be fixed in the sliding rail (4), and a wire collecting shaft (432) arranged in the shell (421) and hinged with torsion springs at two ends.

5. The stop device for a roller shutter door motor according to claim 4, wherein: the housing (421) includes openings symmetrically disposed on a surface.