CN215804273U

CN215804273U - Roller shutter door power-assisted protection mechanism

Info

Publication number: CN215804273U
Application number: CN202121500180.1U
Authority: CN
Inventors: 王宇
Original assignee: Shenyang Fryer Intelligent Technology Co ltd
Current assignee: Shenyang Fryer Intelligent Technology Co ltd
Priority date: 2021-07-02
Filing date: 2021-07-02
Publication date: 2022-02-11
Anticipated expiration: 2031-07-02

Abstract

A roller shutter door power-assisted protection mechanism relates to the field of roller shutter doors and comprises a protection cover and a moving mechanism; the moving mechanism comprises a supporting connection base, a motor reducer arranged on the supporting connection base, a chain driving shaft connected with an output shaft of the motor reducer, two guide rails symmetrically arranged on the supporting connection base, a moving support plate connected with the two guide rails in a sliding manner, a chain wheel rotatably arranged on the supporting connection base, and a chain with two ends respectively arranged on the chain wheel and the chain driving shaft; the protection casing is installed on supporting connection base. The utility model ensures that the door sheets to be rolled in or rolled out on the door shaft of the roller shutter door are always vertical to the ground and parallel to the roller shutter door track, reduces the friction resistance between the roller shutter door and the track when the roller shutter door is lifted, and solves the problems that the door sheets and the track are easy to damage and the energy consumption is high due to large friction resistance; after the rolling door is closed, the mechanism can push the rolling door shaft to the position corresponding to the wall body, so that the door sheet and the wall body have no gap, and the rolling door is attractive and warm.

Description

Roller shutter door power-assisted protection mechanism

Technical Field

The utility model relates to the technical field of rolling doors, in particular to a power-assisted protection mechanism of a rolling door.

Background

The rolling door is also called a rolling door, and is a door which uses a plurality of movable door sheets 7 connected in series, rotates in a fixed rolling door track 4 by taking a rolling door shaft 3 above the door as a center and drives the door sheets 7 to lift. Roller doors are commonly used in stores.

At present, when the installation rolling slats door, most can be at its side installation ordinary fixed curb plate D, there is following technical problem when this kind of ordinary fixed curb plate D common on the market uses:

as shown in fig. 11 and 12, since the rolling of the door leaf 7 is increased when the rolling door is lifted, a customer may take a certain distance (distance a in the drawing) outward from one side of the wall 6 according to the height of the rolling door to install the fixed side plate D, the fixed side plate D is connected with the rolling door shaft 3 and cannot move, and a certain angle is formed between the door leaf 7 and the rolling door track 4, so that the door leaf 7 of the rolling door generates huge pressure and noise when rolling in and out, and there are phenomena of large noise, large resistance and easy damage to the door leaf 7 and the rolling door track 4; when the rolling door is closed, the gap between the door sheet 7 and the wall body 6 is too large, so that wind sand and mud can enter the room.

At present, no special power-assisted protection mechanism specially used for roller shutter door design exists in the market.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the utility model provides a roller shutter door power-assisted protection mechanism specially designed for a roller shutter door.

The technical scheme adopted by the utility model for solving the technical problem is as follows:

the utility model relates to a roller shutter door power-assisted protection mechanism, which comprises: a protective cover and a moving mechanism;

the moving mechanism includes: the device comprises a support connecting base, a motor reducer arranged on the support connecting base, a chain driving shaft connected with an output shaft of the motor reducer, a first guide rail and a second guide rail which are symmetrically arranged on the support connecting base, a movable supporting plate connected with the first guide rail and the second guide rail in a sliding manner, a chain wheel rotatably arranged on the support connecting base, and a chain with two ends respectively arranged on the chain wheel and the chain driving shaft; the protection casing is installed on supporting connection base.

Furthermore, a first sliding groove is formed in the lower end of the first guide rail, and a second sliding groove is formed in the upper end of the second guide rail.

Furthermore, two first movable pulleys are arranged on two sides of the upper end of the back of the movable supporting plate, and two second movable pulleys are arranged on two sides of the lower end of the back of the movable supporting plate; two first movable pulleys are mounted in the first chute, and two second movable pulleys are mounted in the second chute.

Furthermore, both ends of the first sliding groove are provided with limiting blocks.

Furthermore, both ends of the second chute are provided with limit blocks.

Furthermore, a chain bending plate is arranged at the edge of the chain.

Furthermore, an L-shaped connecting plate is arranged at the center of the lower end of the back of the movable supporting plate and fixedly connected with the chain bent plate.

Furthermore, the whole protective cover is of a U-shaped structure and comprises a first protective plate, a second protective plate and a third protective plate which are sequentially connected together; the first protection plate and the third protection plate have the same structure and size; the second protection plate is integrally a U-shaped plate, and a rectangular hole is formed in the middle of the second protection plate; the first protection plate is vertically fixed at one edge of the second protection plate, and the third protection plate is vertically fixed at the other edge of the second protection plate.

The utility model has the beneficial effects that:

the power-assisted protection mechanism for the roller shutter door ensures that the door sheets to be rolled in or out of the roller shutter door shaft are always vertical to the ground and are in a parallel state with the roller shutter door track, reduces the noise and resistance between the door sheets and the roller shutter door track, and is easy to protect the door sheets and the roller shutter door track; after the rolling door is closed, the roller shutter door power-assisted protection mechanism can push the roller shutter door shaft to the position corresponding to the wall body, so that the door sheet and the wall body have no gap, and the roller shutter door is attractive and warm.

The roller shutter door power-assisted protection mechanism is suitable for roller shutter doors of any models. The mounting positions of all parts in the mechanism can be adjusted according to actual needs, and the mechanism is simple in structure and high in flexibility.

Drawings

Fig. 1 is a schematic structural diagram of a power-assisted protection mechanism of a roller shutter door according to the present invention.

Fig. 2 is a schematic structural diagram of the moving mechanism.

Fig. 3 is a front view of the moving mechanism.

Fig. 4 is a plan view of the moving mechanism.

Fig. 5 is a side view of the moving mechanism.

Fig. 6 is a schematic view of the structure of the chain.

Fig. 7 is a schematic structural view of the movable support plate.

Fig. 8 is a schematic view of an installation manner of the power-assisted protection mechanism of the rolling door.

Fig. 9 is a schematic view of an installation manner of the power-assisted protection mechanism of the rolling door.

Fig. 10 is a cross-sectional view taken along line C-C of fig. 9.

Fig. 11 is a schematic view of a conventional structure of a fixed side plate.

Fig. 12 is a partially enlarged view of fig. 11.

In the figure, 1, a protective cover, 101, a first protective plate, 102, a second protective plate, 103, a third protective plate, 2, a moving mechanism, 201, a motor reducer, 202, a motor reducer output shaft, 203, a first guide rail, 204, a moving support plate, 205, a support connection base, 206, a chain, 207, a chain wheel, 208, a second guide rail, 209, a second moving pulley, 210, a chain driving shaft, 211, a first moving pulley, 3, a rolling door shaft, 4, a rolling door track, 5, angle steel, 6, a wall body, A, a first rolling door power-assisted protection mechanism, B, a second rolling door power-assisted protection mechanism, 7, a door sheet, D and a fixed side plate.

Detailed Description

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

The roller shutter door power-assisted protection mechanism can play a role in power assistance and protection in the working and non-working states of the roller shutter door. As shown in fig. 1 to 7, the power-assisted protection mechanism for a roller shutter door of the present invention mainly comprises: a shield 1 and a moving mechanism 2. The protective cover 1 is fixed on the moving mechanism 2.

As shown in fig. 1, the protective cover 1 has a U-shaped structure as a whole, and includes a first protective plate 101, a second protective plate 102, and a third protective plate 103. The first protection plate 101, the second protection plate 102 and the third protection plate 103 are connected together in sequence. Wherein the first protection plate 101 and the third protection plate 103 have the same structure and size. The second guard plate 102 is a U-shaped plate as a whole, and a rectangular hole is formed in the middle thereof. The first protection plate 101 is vertically fixed on one edge of the second protection plate 102, and the third protection plate 103 is vertically fixed on the other edge of the second protection plate 102.

The protective cover 1 is made of galvanized sheet materials, but is not limited to the galvanized sheet materials, has the functions of rain prevention, rust prevention and corrosion prevention, can be cut randomly according to the thickness and the size of the galvanized sheet materials, and is processed by adopting a bending process.

As shown in fig. 2, 3, and 5, the moving mechanism 2 mainly includes: the device comprises a motor reducer 201, a motor reducer output shaft 202, a first guide rail 203, a movable support plate 204, a support connection base 205, a chain 206, a chain wheel 207, a second guide rail 208, a second movable pulley 209, a chain drive shaft 210 and a first movable pulley 211.

The steel plate with the sprayed outer surface is used as the supporting and connecting base 205 of the moving mechanism 2, but is not limited to such a material, and the thickness and the size of the steel plate can be cut arbitrarily according to the needs. The support connection base 205 is provided with hole sites, and the size and the position of the hole sites can be adjusted according to actual needs.

The shield 1 is mounted on a support connection base 205.

The motor speed reducer 201 is mounted on the support connecting base 205 by a fastener, the motor speed reducer 201 is a core source power of the whole moving mechanism 2, and the type of the motor speed reducer 201 can be selected at will according to actual needs.

The chain drive shaft 210 is connected to the motor reducer output shaft 202, and the chain drive shaft 210 is driven to rotate by the motor reducer 201 and the motor reducer output shaft 202.

The first guide rail 203 and the second guide rail 208 are symmetrically arranged on the support connection base 205, and the motor reducer 201 is positioned at the left ends of the first guide rail 203 and the second guide rail 208. The first guide rail 203 and the second guide rail 208 are identical in structure, size and material. A first chute 2031 is arranged at the lower end of the first guide rail 203, the two ends of the first chute 2031 are both provided with limiting blocks, a second chute 2081 is arranged at the upper end of the second guide rail 208, and the two ends of the second chute 2081 are both provided with limiting blocks. The movable support plate 204 can be effectively prevented from falling off when sliding through the limiting blocks at the two ends of the first chute 2031 and the limiting blocks at the two ends of the second chute 2081.

The first guide rail 203 and the second guide rail 208 can be made of stainless steel, nylon, aluminum materials and the like, but are not limited to the above materials, the size can be cut at will, and the hole positions can be adjusted as required.

The sprocket 207 is rotatably mounted in a hole in the support link base 205. The chain 206 is mounted at one end on a sprocket 207 and at the other end on a chain drive shaft 210. The chain driving shaft 210 is driven to rotate through the motor reducer 201 and the motor reducer output shaft 202, and simultaneously drives the chain 206 to move back and forth.

As shown in fig. 6, the chain 206 may be a commercially available standard. The upper edge of which is provided with a chain bend 2061.

As shown in fig. 7, an L-shaped connecting plate 2041 is provided at the center of the lower end of the rear surface of the moving support plate 204. The L-shaped connecting plate 2041 is fixedly connected to the chain bending plate 2061, so as to connect the chain 206 and the movable supporting plate 204.

The number of the first moving pulleys 211 is two. Two first moving pulleys 211 are installed at both sides of the upper end of the rear surface of the moving support plate 204. The two first moving pulleys 211 are installed in the first chute 2031 of the first guide rail 203, and the two first moving pulleys 211 slidably run in the first chute 2031 of the first guide rail 203.

Two second moving pulleys 209 are provided, and the two second moving pulleys 209 are installed on both sides of the lower end of the back surface of the moving support plate 204. Two second moving pulleys 209 are installed in the second chute 2081 of the second guide rail 208, and the two second moving pulleys 209 slidably run in the second chute 2081 of the second guide rail 208.

The chain driving shaft 210 is driven to rotate by the motor reducer 201 and the motor reducer output shaft 202, and simultaneously, the chain 206 is driven to move back and forth, and the movable supporting plate 204 moves back and forth along the first guide rail 203 and the second guide rail 208 by the first movable pulley 211 and the second movable pulley 209.

In the present invention, the transmission of the movable support plate 204 is chain driven, relying on the engagement of the sprocket 207 with the chain 206 to transmit motion and power. Compared with belt transmission, the chain transmission can keep accurate average transmission ratio, has high transmission efficiency and small radial shaft pressing force, and can work under the conditions of high temperature and low speed; compared with gear transmission, the chain transmission has the advantages of lower requirement on installation precision, low cost and long-distance transmission.

As shown in fig. 8 to 10, during installation, the first roller shutter door assisting protection mechanism a and the second roller shutter door assisting protection mechanism B are arranged in bilateral symmetry, the first roller shutter door assisting protection mechanism a and the second roller shutter door assisting protection mechanism B are both installed on the wall surfaces 6 on two sides of the roller shutter door through angle steel 5, one side of the angle steel 5 is connected with the roller shutter door assisting protection mechanism through a fastening piece, and the other side of the angle steel is fixed on the wall body through expansion bolts. The specific connection mode of the roller shutter door power-assisted protection mechanism and the wall surface 6 can be selected according to actual needs. Then, the roller shutter door shaft 3 is installed on the two roller shutter door assisting protection mechanisms, specifically, the moving support plate 204 of the first roller shutter door assisting protection mechanism A is connected with the motor base on the roller shutter door shaft 3, the moving support plate 204 of the second roller shutter door assisting protection mechanism B is connected with the bottom of the tail plug on the roller shutter door shaft 3, and the moving support plate 204 is suitable for motor bases and tail plugs of all models.

According to the power-assisted protection mechanism for the roller shutter door, when the roller shutter door runs, the movable support plate 204 drives the roller shutter door shaft 3 to move back and forth along the slide rail 203 under the operation of the chain 206, the roller shutter door shaft 3 is pushed to the corresponding position, the position ensures that the door sheet 7 to be rolled in or rolled out on the roller shutter door shaft 3 is always perpendicular to the ground, the door sheet 7 is parallel to the side surface of the roller shutter door track 4, the noise and the frictional resistance between the door sheet 7 and the roller shutter door track 4 are reduced, the energy-saving purpose is achieved, and meanwhile the service lives of the door sheet 7 and the roller shutter door track 4 are prolonged.

According to the power-assisted protection mechanism for the rolling door, the door sheet 7 of the rolling door is always in a parallel state with the rolling door track 4 and is in a vertical state with the ground, so that the frictional resistance between the rolling door and the rolling door track 4 during lifting is greatly reduced; no gap is reserved between the door sheet 7 and the wall body 6 of the rolling door, so that the problems that the door sheet 7 and the rolling door track 4 are easy to damage, high in energy consumption, air leakage and the like due to large friction resistance existing in the conventional fixed side plate are solved, and the rolling door is more attractive and warm.

In the description of the present invention, it is to be understood that the terms "central", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting the scope of the present invention.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: it is to be understood that modifications may be made to the technical solutions described in the foregoing embodiments, or equivalents may be substituted for some of the technical features thereof, but such modifications or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a rolling slats door helping hand protection machanism which characterized in that includes: a protective cover and a moving mechanism;

2. The roller shutter door power-assisted protection mechanism according to claim 1, wherein a first sliding groove is formed at the lower end of the first guide rail, and a second sliding groove is formed at the upper end of the second guide rail.

3. The roller shutter door power-assisted protection mechanism as claimed in claim 2, wherein two first moving pulleys are arranged on two sides of the upper end of the back of the moving support plate, and two second moving pulleys are arranged on two sides of the lower end of the back of the moving support plate; two first movable pulleys are mounted in the first chute, and two second movable pulleys are mounted in the second chute.

4. The roller shutter door power-assisted protection mechanism of claim 3, wherein two ends of the first chute are provided with limit blocks.

5. The roller shutter door power-assisted protection mechanism of claim 3, wherein two ends of the second chute are provided with limit blocks.

6. A roller door power assist guard mechanism as claimed in claim 1, wherein the chain edge is provided with a chain bend plate.

7. The roller shutter door power-assisted protection mechanism as claimed in claim 6, wherein an L-shaped connecting plate is arranged at the center of the lower end of the back of the movable supporting plate, and the L-shaped connecting plate is fixedly connected with the chain bending plate.

8. The roller shutter door power-assisted protection mechanism according to claim 1, wherein the protection cover is of a U-shaped structure integrally and comprises a first protection plate, a second protection plate and a third protection plate which are sequentially connected together; the first protection plate and the third protection plate have the same structure and size; the second protection plate is integrally a U-shaped plate, and a rectangular hole is formed in the middle of the second protection plate; the first protection plate is vertically fixed at one edge of the second protection plate, and the third protection plate is vertically fixed at the other edge of the second protection plate.