CN111794668A

CN111794668A - Linear transmission electric rolling shutter door

Info

Publication number: CN111794668A
Application number: CN202010663511.7A
Authority: CN
Inventors: 王金奎
Original assignee: Taizhou Jiuwu Thermal Insulation Material Co ltd
Current assignee: Taizhou Jiuwu Thermal Insulation Material Co ltd
Priority date: 2020-07-10
Filing date: 2020-07-10
Publication date: 2020-10-20
Anticipated expiration: 2040-07-10
Also published as: CN111794668B

Abstract

The invention discloses a linear transmission electric rolling shutter door, which has the technical scheme that: including roll up curtain body, roll-up spiral case, U groove linear electric motor, promotion portion, U groove linear electric motor includes stator track, active cell, and the roll up curtain body is equipped with the brake groove, and the roll-up spiral case is equipped with arresting gear, and arresting gear includes torsional spring, braking electromagnet, joint spare, and the roll-up spiral case is equipped with the card strip, and the roll up curtain body is equipped with the locating part, is equipped with the stop electromagnet in the roll-up spiral case. The stator track is equipped with the buffering guide rail, and the promotion portion is equipped with the elastic component, and the elastic component includes wear-resisting steel block, spring. The U-groove linear motor is arranged to drive the rotor to move linearly, so that manual lifting of the lifting part by personnel is replaced, and convenience is brought; the rolling door can be braked at any time in the discharging process by arranging the braking device, so that people below the rolling door can be prevented from being injured by crashing; through setting up buffering guide rail, can cushion the falling speed of this rolling slats door, make personnel can have the reaction time of braking.

Description

Linear transmission electric rolling shutter door

Technical Field

The invention relates to the technical field of rolling doors, in particular to a linear transmission electric rolling door.

Background

At present, the roller shutter door is formed by connecting multiple movable door sheets in series, and rotating an upper door and a lower door in a fixed slideway by taking a scroll above the door as a center. The roller shutter door is suitable for public places or houses such as commercial doorways, garages, markets, hospitals, industrial and mining enterprises and the like.

The traditional Chinese patent with application publication number CN104234605A discloses a rolling door, which comprises symmetrically arranged guide rails and a rolling door main body arranged between the guide rails and in sliding fit with the guide rails, wherein the width d1 of a chute at a bending part of the guide rails is larger than the width d2 of a chute at a straight edge part, and the chute at the bending part is in smooth transition connection with the chute at the straight edge part.

The above prior art solutions have the following drawbacks: this rolling slats door needs personnel's manual lift to pull rolling slats door main part bottom and opens and close, and is comparatively inconvenient.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide the linear transmission electric roller shutter door which can be automatically opened and closed and is convenient.

The technical purpose of the invention is realized by the following technical scheme: a linear transmission electric rolling shutter door comprises a rolling shutter body and a linear transmission mechanism, wherein the linear transmission electric rolling shutter door comprises a linear transmission mechanism and a linear transmission mechanism;

the winding volute is fixedly connected with the wall and used for accommodating the roller shutter body;

the U-groove linear motor comprises a stator track and a rotor;

the top of the lifting part is fixedly connected with the bottom of the roller shutter body, and the side wall of the lifting part is fixedly connected with the rotor;

the U-groove linear motors are provided with two groups, the stator rails are fixed with a wall to form a door frame, and the end parts of the stator rails are smoothly connected with the inlet end of the winding volute.

By adopting the technical scheme, the U-groove linear motor is arranged to drive the rotor to move linearly, so that manual lifting of the lifting part by personnel is replaced, and convenience is brought; compared with the common roller shutter door driven by a conventional alternating current motor, the power of the electric roller shutter door is directly provided by a door frame, and a driving motor does not need to be installed on a high-position wall body, and a speed reduction gear group or a frequency converter does not need to be arranged on a fixed frame to reduce the speed of the motor, so that the labor burden of personnel is reduced, the overall construction height of the personnel is reduced, and the construction is safer; the whole attractive degree of the roller shutter door is improved without an exposed motor.

The present invention in a preferred example may be further configured to: the stator track extends outwards to form a guide groove for guiding the roller shutter body.

Through adopting above-mentioned technical scheme, the setting of guide way makes the roll screen body inject its direction of motion at the in-process that is promoted, makes it can reach the roll-up spiral case smoothly and be rolled up by the spiral case.

The present invention in a preferred example may be further configured to: the outer side of the roller shutter body is provided with a braking groove, and the rolling volute is provided with a braking device which is embedded into the weaving braking groove to brake the roller shutter body.

Through adopting above-mentioned technical scheme, setting up of arresting gear and brake groove can carry out emergency braking to rolling up when unreeling of curtain body, avoids rolling up the curtain body and being located the personnel or other objects of rolling up the curtain body below and colliding with, causes the damage.

The present invention in a preferred example may be further configured to: the braking device comprises a torsion spring, a braking electromagnet and a clamping piece embedded into the braking groove, the two ends of the torsion spring are respectively connected to the clamping piece and the rolling volute, the braking electromagnet is fixedly connected with the rolling volute, and the clamping piece is provided with an iron portion used for being attracted with the braking electromagnet.

Through adopting above-mentioned technical scheme, when personnel need brake to rolling up the curtain body, personnel can make the joint spare pop out with the outage of braking electromagnet, the tip embedding braking groove of joint spare, the lower lateral wall of joint spare supports with the butt groove that sets up at roll-up spiral case inner wall, the joint spare can't rotate downwards, the realization is braked to rolling up the curtain body, when the braking finishes need resume the operation of rolling up the curtain body, personnel can restart braking electromagnet, braking electromagnet adsorbs the joint spare, make its tip roll-off on the upper end arc wall of braking groove, break away from the braking groove, remove the brake state.

The present invention in a preferred example may be further configured to: the two groups of braking grooves are arranged on two sides of the roller shutter body, each group of braking grooves are distributed at intervals along the length direction of the roller shutter body, and the two groups of braking grooves are formed by the braking devices.

By adopting the technical scheme, the two groups of brake grooves are symmetrically distributed on two sides of the roller shutter body respectively, so that when the brake device brakes the roller shutter body, the brake force applied to two side edges of the roller shutter body is consistent, the condition of unilateral stress is avoided, and the stability of the electric roller shutter door is improved.

The present invention in a preferred example may be further configured to: the roll-up spiral case is equipped with the card strip, the card strip is located the inner wall that is close to roll-up spiral case entrance, the tip of roll-up curtain body is equipped with and is used for keeping off the locating part that breaks away from the roll-up spiral case with the card strip in order to avoid the roll-up curtain body.

Through adopting above-mentioned technical scheme, the setting of card strip and locating part can prevent that roll up the curtain body and break away from the opening part of roll-up spiral case downwards.

The present invention in a preferred example may be further configured to: and a stopping electromagnet for adsorbing the limiting part is arranged in the furling volute.

Through adopting above-mentioned technical scheme, after rolling up the curtain body and opening completely, the locating part motion is to stopping electromagnet department, and the electromagnet that stops this moment opens and adsorbs the curtain body of rolling up to make the curtain body stop on this height steadily.

The present invention in a preferred example may be further configured to: the stator track is equipped with the buffering guide rail, buffering guide rail and stator track fixed connection, the buffering guide rail is located the orbital bottom of stator, the vertical convergent downwards of track width of buffering guide rail, the lateral wall of lifting portion is equipped with the elastic component that is used for offsetting with buffering guide rail inner wall.

Through adopting above-mentioned technical scheme, the setting of buffering guide rail and elastic component for when rolling up curtain body downstream, the elastic component offsets with the buffering guide rail, along with the width of buffering guide rail reduces gradually, the elastic component increases gradually with the tight power of supporting of buffering guide rail, makes frictional force between the two increase, reaches the purpose of buffering, makes the falling speed of rolling up the curtain body can not be too fast, and causes the impact too big to the door frame on ground.

The present invention in a preferred example may be further configured to: the elastic piece comprises a wear-resistant steel block and a spring, the wear-resistant steel block is connected with the lifting part in a sliding mode, and two ends of the spring are fixedly connected with the wear-resistant steel block and the lifting part respectively.

Through adopting above-mentioned technical scheme, at the in-process of rolling up curtain body downstream, the width of buffering guide rail diminishes, and the buffering guide rail sticiss wear-resisting steel block and spring, makes the packing force increase of wear-resisting steel block to the buffering guide rail, makes its frictional force increase with the buffering guide rail, cushions the falling speed of rolling up the curtain body, and the too big messenger spring that strikes simultaneously can cushion the vibration and the power that the impact produced, reduces its impact force to the ground door frame.

In summary, the invention includes at least one of the following beneficial technical effects:

1. the U-groove linear motor is arranged to drive the rotor to move linearly, so that manual lifting of the lifting part by personnel is replaced, and convenience is brought;

2. the rolling door can be braked at any time in the discharging process by arranging the braking device, so that people below the rolling door can be prevented from being injured by crashing;

3. through setting up buffering guide rail, can cushion the falling speed of this rolling slats door, make personnel can have the reaction time of braking.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment;

FIG. 2 is an exploded view of the embodiment;

fig. 3 is an exploded view of a U-slot linear motor of an embodiment;

FIG. 4 is a sectional view of the embodiment;

fig. 5 is an enlarged view of fig. 4 at a.

In the figure, 1, a roller shutter body; 11. a lifting portion; 12. a brake groove; 13. a limiting member; 2. winding the volute; 21. clamping the strip; 22. stopping the electromagnet; 3. a U-slot linear motor; 31. a stator track; 32. a mover; 33. a guide groove; 34. a buffer rail; 35. an elastic member; 351. a wear-resistant steel block; 352. a spring; 4. a braking device; 41. a torsion spring; 42. a brake electromagnet; 43. a clamping piece; 44. an iron part.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, the linear driving electric rolling shutter door disclosed by the invention comprises a rolling shutter body 1, a rolling volute 2 for accommodating the rolling shutter body 1, and a U-groove linear motor 3, wherein the rolling volute 2 is fixedly connected with a wall body, the length direction of the rolling volute 2 is along the horizontal direction, a lifting part 11 is fixedly arranged at the lower end of the rolling shutter body 1, and the top of the lifting part is fixedly connected with the bottom of the rolling shutter body 1.

Referring to fig. 2 and 3, the U-slot linear motor 3 includes two sets of stator rails 31 and a rotor 32, the side walls of the U-slot linear motors are fixedly connected with the rotor 32, the two sets of U-slot linear motors 3 are respectively located at two sides of the roller shutter body 1, the two stator rails 31 are both fixed with a wall to form a door frame, the end portions of the stator rails 31 are smoothly connected with the inlet end of the winding volute 2, the rotor 32 is driven to linearly move by the U-slot linear motor 3, and the lifting portion 11 is lifted manually by a person, which is convenient; the power of the electric rolling door is directly provided by the door frame, compared with the ordinary rolling door driven by a conventional alternating current motor, the electric rolling door does not need to install a driving motor on a high-position wall body, a fixing frame does not need to be provided with a speed reduction tooth group or a frequency converter for reducing the speed of the motor, the labor burden of personnel is reduced, the overall construction height of the personnel is reduced, and the construction is safer; the whole attractive degree of the roller shutter door is improved without an exposed motor.

The stator track 31 extends outwards to form a guide groove 33 for guiding the roller shutter body 1, the side edge of the roller shutter body 1 penetrates through the guide groove 33, the guide groove 33 is communicated with an inlet of the winding volute 2, the width of the guide groove 33 is slightly larger than the thickness of the roller shutter body 1, the guide groove 33 enables the roller shutter body 1 to limit the moving direction of the roller shutter body in the pushing process, the roller shutter body can smoothly reach the winding volute 2 to be wound by the winding volute 2, the stator track 31 is provided with a buffer guide rail 34, the buffer guide rail 34 is formed by outwards extending the stator track 31 close to the lower side, the track width of the buffer guide rail 34 is vertically reduced downwards, and two side walls in the thickness direction of the lifting part 11 are respectively provided with an elastic part 35 for abutting against the inner wall of the buffer guide rail 34.

Buffering guide rail 34 and elastic component 35's setting, make when rolling up curtain body 1 downstream, elastic component 35 offsets with buffering guide rail 34, along with buffering guide rail 34's width reduces gradually, elastic component 35 increases with buffering guide rail 34's the power of supporting tightly gradually, make frictional force between the two increase, reach the purpose of buffering, make the falling speed of rolling up curtain body 1 can not be too fast, elastic component 35 includes wear-resisting steel block 351, spring 352, lift portion 11 is equipped with the mounting groove that supplies wear-resisting steel block 351 installation, wear-resisting steel block 351 and the cell wall sliding connection of mounting groove, the both ends of spring 352 respectively with wear-resisting steel block 351, lift portion 11 fixed connection, wear-resisting steel block 351 bulges the surface of lift portion 11 and is used for pasting with the inner wall of buffering guide rail 34 mutually.

Referring to fig. 2 and 4, the winding volute 2 is provided with a clamping strip 21, the clamping strip 21 is located on the inner wall close to the inlet of the winding volute 2, the length direction of the clamping strip 21 is along the length direction of the winding volute 2, and the end of the roller shutter body 1 is provided with a limiting part 13 which is used for abutting against the clamping strip 21 to prevent the roller shutter body 1 from separating from the winding volute 2. The arrangement of the locking strip 21 and the limiting member 13 can prevent the rolling shutter body 1 from separating from the rolling volute 2 downwards. The limiting piece 13 is in the shape of a round rod, the length direction of the limiting piece is along the horizontal direction, and the limiting piece 13 is convenient to slide in the furling volute 2. The winding volute 2 is internally provided with a stopping electromagnet 22 used for adsorbing the limiting part 13, the stopping electromagnet 22 is located inside the volute, after the rolling curtain body 1 is completely opened, the limiting part 13 moves to the position of the stopping electromagnet 22, at the moment, the stopping electromagnet 22 is opened to adsorb the rolling curtain body 1, so that the rolling curtain body 1 stably stops at the height, and meanwhile, the U-groove linear motor 3 stops moving.

The outside of rolling up curtain body 1 is equipped with braking groove 12, and roll-up spiral case 2 is equipped with and is used for imbedding and knits arresting gear 4 that brakes to rolling up curtain body 1 in 12, and arresting

gear

4 and 12 setting up can carry out emergency braking to rolling up the time of unreeling of curtain body 1, avoid rolling up curtain body 1 and being located the personnel or other objects of rolling up the below of curtain body 1 and colliding with, cause the damage.

Braking groove 12 is equipped with two sets ofly in the both sides of rolling up curtain body 1, and every group braking groove 12 is along the length direction interval distribution of rolling up curtain body 1, and arresting gear 4 is equipped with two to braking groove 12, and two sets of braking grooves 12 are respectively in the bilateral symmetry distribution of rolling up curtain body 1, and when making arresting gear 4 brake rolling up curtain body 1, the braking force that rolls up 1 both sides limit of curtain body received is unanimous, avoids the condition of unilateral atress to take place, improves this electric rolling door's stability.

Referring to fig. 4 and 5, the braking device 4 includes a torsion spring 41, a braking electromagnet 42, and a clamping member 43 embedded in the braking groove 12, two ends of the torsion spring 41 are respectively connected to the clamping member 43 and the winding volute 2, the braking electromagnet 42 is fixedly connected to the winding volute 2, the braking electromagnet 42 is controlled by a control button on a wall to open and close, the braking electromagnet 42 is located above the torsion spring 41, and the clamping member 43 is provided with an iron portion 44 for attracting the braking electromagnet 42. When personnel need brake to rolling up curtain body 1, personnel can break off the power supply with braking electromagnet 42 and make joint piece 43 pop out, the tip embedding braking groove 12 of joint piece 43, the lower lateral wall of joint piece 43 supports with the butt groove that sets up at roll-up spiral case 2 inner wall, joint piece 43 can't rotate downwards, realize braking rolling up curtain body 1, when the braking finishes need resume the operation of rolling up curtain body 1, personnel can restart braking electromagnet 42, braking electromagnet 42 adsorbs joint piece 43, make its tip follow the upper end arc wall roll-off of braking groove 12, break away from braking groove 12, remove the brake state.

The implementation principle of the embodiment is as follows: utilize the removal of U groove linear electric motor 3's active cell 32 to replace personnel to carry to carrying on the book curtain body 1 manually, made things convenient for rolling up receiving and releasing of curtain body 1, personnel are at the in-process of rolling up curtain body 1 roll-up in addition, if there are personnel or other objects below rolling up curtain body 1, personnel's accessible control button is to rolling up unreeling of curtain body 1 and braking, avoids rolling up curtain body 1 and personnel or other objects and collide with.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. A linear transmission electric rolling shutter door comprises a shutter body (1) and is characterized by also comprising a first roller and a second roller;

the winding volute (2) is fixedly connected with the wall body and used for accommodating the roller shutter body (1);

the U-groove linear motor (3) comprises a stator track (31) and a rotor (32);

the top of the lifting part (11) is fixedly connected with the bottom of the roller shutter body (1), and the side wall of the lifting part is fixedly connected with the rotor (32);

u groove linear electric motor (3) are equipped with two sets ofly, two stator track (31) all form the door frame with the wall body is fixed, the tip of stator track (31) meets with the entry end level and smooth of roll-up spiral case (2).

2. A linear motion electric roller shutter door as claimed in claim 1, wherein: the stator track (31) extends outwards to form a guide groove (33) for guiding the roller shutter body (1).

3. A linear motion electric roller shutter door as claimed in claim 1, wherein: the outer side of the roller shutter body (1) is provided with a braking groove (12), and the rolling volute (2) is provided with a braking device (4) which is embedded into the weaving braking groove (12) and used for braking the roller shutter body (1).

4. A linear motion electric roller shutter door as claimed in claim 3, wherein: arresting gear (4) include torsional spring (41), braking electromagnet (42), be used for imbedding joint spare (43) in braking groove (12), torsional spring (41) both ends are connected respectively on joint spare (43), roll-up spiral case (2), braking electromagnet (42) and roll-up spiral case (2) fixed connection, joint spare (43) are equipped with iron portion (44) that are used for with braking electromagnet (42) actuation.

5. A linear motion electric roller shutter door as claimed in claim 3, wherein: the two groups of the braking grooves (12) are arranged on two sides of the roller shutter body (1), each group of the braking grooves (12) are distributed at intervals along the length direction of the roller shutter body (1), and the two groups of the braking devices (4) are arranged on the two groups of the braking grooves (12).

6. A linear motion electric roller shutter door as claimed in claim 1, wherein: roll up spiral case (2) and be equipped with card strip (21), card strip (21) are located the inner wall that is close to roll up spiral case (2) entrance, the tip of rolling up curtain body (1) is equipped with and is used for keeping off with card strip (21) in order to avoid rolling up curtain body (1) to break away from locating part (13) of roll up spiral case (2).

7. A linear motion electric roller shutter door as claimed in claim 6, wherein: and a stopping electromagnet (22) used for adsorbing the limiting piece (13) is arranged in the furling volute (2).

8. A linear motion electric roller shutter door as claimed in claim 1, wherein: stator track (31) are equipped with buffering guide rail (34), buffering guide rail (34) and stator track (31) fixed connection, buffering guide rail (34) are located the bottom of stator track (31), the vertical convergent down of track width of buffering guide rail (34), the lateral wall of promotion portion (11) is equipped with and is used for elastic component (35) that offsets with buffering guide rail (34) inner wall.

9. A linear motion electric roller shutter door as claimed in claim 8, wherein: the elastic piece (35) comprises a wear-resistant steel block (351) and a spring (352), the wear-resistant steel block (351) is connected with the lifting part (11) in a sliding mode, and two ends of the spring (352) are fixedly connected with the wear-resistant steel block (351) and the lifting part (11) respectively.