CN112324287A

CN112324287A - Industrial two-open two-stage sliding door

Info

Publication number: CN112324287A
Application number: CN202011210346.6A
Authority: CN
Inventors: 李龙亮; 钟道清; 陈旭阳
Original assignee: Guangzhou Songxing Electric Co ltd
Current assignee: Guangzhou Songxing Electric Co ltd
Priority date: 2020-11-03
Filing date: 2020-11-03
Publication date: 2021-02-05

Abstract

The invention discloses an industrial double-open two-stage sliding door, which comprises: protective covers, door panels; the protective cover is arranged above the hole; a transmission mechanism is arranged in the protective cover; the upper part of the door panel is hung on the guide rail through a first connecting piece, and a sliding connecting structure is formed; the door plate comprises four door plates, and two door plates are a group and symmetrically distributed on two sides of the opening to form a double-opening two-stage sliding door; the transmission mechanism comprises a motor, a belt pulley, a synchronous belt and a support; driven wheels are arranged on the supports; the synchronous belt is sleeved on the belt pulley and the driven wheel of the support to form an annular belt transmission structure; the motor drives the synchronous belt to rotate through the belt pulley; the synchronous belt is connected with the two door panels on the same side through a connecting piece; the invention has the advantages that after the double door is opened, the two door plates on the single side are overlapped, the lateral space is saved, the door opening time is less, the structure and the control are simple, the cost is low, and the later maintenance and the repair are convenient.

Description

Industrial two-open two-stage sliding door

Technical Field

The invention relates to the technical field of automatic doors, in particular to an industrial double-opening two-stage sliding door.

Background

With the continuous improvement of the technical level of modern industrial production, the requirements of production activities on hardware are higher and higher, and an industrial protection door is one of important protection hardware. The design, production and installation of the industrial door are strictly carried out according to new national and industrial standards, various national and industrial safety use criteria are completely met, and meanwhile, the factors such as the actual use requirement of industrial door users and the field environment are supplemented for comprehensive consideration, so that the product quality of the industrial door is strictly controlled. In order to facilitate the management operation of the industrial door by a user, two operation modes, namely manual operation and electric operation, are required to be adopted when the industrial door is produced and installed. The industrial door needs to meet a series of different requirements of heat preservation, heat insulation, noise reduction, sealing, radiation protection and the like. Safety is also a major important point in industrial doors, and various protection detections must be installed and debugged in place to prevent personnel and property damage caused by accidents in production operation.

At present, the mainstream industrial doors on the market are mainly industrial lifting doors, industrial side-hung doors, industrial side-sliding doors, industrial rolling doors and the like, and the doors in each form have certain limitations and defects according to the knowledge. Hinges of partial lifting doors cannot be detached, the later maintenance is troublesome, the lifting doors need to be integrally detached for maintenance, and noise is easily generated due to clamping stagnation of door panels when the lifting doors are opened; the space required by the vertical hinged door and the side sliding door is larger, and the space reserved on the left side and the right side is feasible only when the width of a door opening is reached; the rolling door has the big defects that the rolling door is not insulated, the rolling door cannot be used in scenes with special insulation requirements in certain specific production activities, the maintenance of the rolling door is complex, and the maintenance cost is high.

Patent CN205531919U discloses a linkage double-door mechanism, which comprises a left door and a right door, linear guide rails, a driving device and a transmission device, wherein the left door and the right door are slidably mounted between the linear guide rails, and are driven by the driving device through the transmission device to open and close on the guide rails; the first mounting frame and the second mounting frame are both n-shaped connecting assemblies, and the linear guide rail is mounted between the second side plate of the first mounting frame and the second side plate of the second mounting frame. Above-mentioned technical scheme belongs to common two structures of opening a door, but this structure needs the door plant width also great in the industrial field, especially in the big scene of entrance to a cave span, and two the shared width in back both sides of opening also great to do not do benefit to the rational utilization place. The existing multi-leaf door sold in the market is mainly provided with a plurality of single-side sliding doors, the scenes are daily conditions of families, offices and the like, power mainly takes manual pulling as a main part, a synchronous linkage structure is adopted among a plurality of leaves, the whole structure is relatively complex, and in the industrial field, as the single-leaf door plate is large in size, the weight is large, the complex linkage structure is easy to break down, and the maintenance is difficult.

Patent CN110145200A discloses a belt type automatic machine set for domestic door, comprising: the base is provided with a motor close to one end, a rotating shaft of the motor is provided with a belt pulley, the base is provided with a tensioning wheel close to the other end, a toothed belt meshed with the belt pulley and the tensioning wheel is arranged between the belt pulley and the tensioning wheel, a belt clamp is fixedly arranged on the toothed belt, and the base is also provided with a controller; the surface of the tooth-shaped belt is attached with a gallium-containing wear-resistant noise-reducing fabric layer, and the gallium-containing wear-resistant noise-reducing fabric layer is fixed on the surface of the tooth-shaped belt through an adhesive. Above-mentioned technical scheme has adopted the profile of tooth belt to pass through the connecting piece and has connected the door plant, drives it and realizes automatic switch, provides the technical scheme of unilateral single-stage door plant switch, but still is not applicable to the condition of multistage door plant, if will be applied to industrial field, needs further improvement.

Disclosure of Invention

Accordingly, the present invention is directed to an industrial double-opening two-stage sliding door, which solves the above problems.

For this purpose, the present invention is implemented by the following technical means.

A double-opening two-stage sliding door for industrial use, comprising: protective covers, door panels; the protective cover is arranged above the hole; a transmission mechanism is arranged in the protective cover; the upper part of the door panel is hung on the guide rail through a first connecting piece, and a sliding connecting structure is formed;

the door plate comprises four door plates, and two door plates are a group and symmetrically distributed on two sides of the opening to form a double-opening two-stage sliding door;

the two groups of transmission mechanisms are symmetrically arranged above the hole and respectively drive the door plates on the two sides; the transmission mechanism comprises a motor, a first belt pulley, a second belt pulley, a first synchronous belt, a second synchronous belt, a first support and a second support; each support is provided with a driven wheel; the first synchronous belt is sleeved on the first belt pulley and the driven wheel of the first support to form an annular belt transmission structure; the second synchronous belt is sleeved on the second belt pulley and a driven wheel of the second support to form an annular transmission structure; the first support and the second support are fixedly arranged above the door opening;

the motor drives the first synchronous belt and the second synchronous belt to rotate through the first belt pulley and the second belt pulley respectively; the first synchronous belt and the second synchronous belt are respectively connected with the two door panels at the same side through at least two groups of second connecting pieces.

Further, when the door panel is in a fully opened state, the two door panels on the same side form a stacking structure.

Further, the diameter of the first pulley is greater than the diameter of the second pulley; the length of the first synchronous belt is greater than that of the second synchronous belt; the first synchronous belt is connected with the door panel at the far end on the same side through the second connecting piece; the second synchronous belt is connected with the door plate which is close to the motor at the same side through the second connecting piece.

Further, the motor is vertically arranged at two sides of the opening, and the output end of the motor is connected with a rotating shaft which is vertically arranged through a coupler; the upper part and the lower part of the rotating shaft are respectively and coaxially provided with the first belt pulley and the second belt pulley, and the circumferential positions of the belt pulleys are fixed through flat keys.

Further, the first support and the second support are both provided with a belt tensioning mechanism.

Furthermore, the belt tensioning mechanism comprises a mounting block and a jackscrew; the mounting block is fixedly mounted on the wall body and is close to the support main body; the mounting block is horizontally provided with a threaded through hole, the jackscrew is mounted at the through hole, and one end of the jackscrew is in contact with the side end face of the support main body; the support main body is arranged on a wall body through a sliding structure.

Furthermore, the two door panels and the door panel close to the inner side are connected with the wall body through sliding structures arranged at the lower parts.

Furthermore, the sliding structure comprises a sliding block, a guide rod and a mounting plate; two groups of guide rods are arranged on one side of the opening, and the guide rods are respectively arranged on the surface of the inner door plate and the surface of the wall body through the mounting plates arranged at the two ends; the sliding blocks are arranged on the inner side surface of the outer door plate and the inner side surface of the inner door plate and matched with the corresponding guide rods to form a sliding structure.

The invention has the following advantages:

1. according to the invention, after the double door is opened, the two door plates on one side are overlapped, so that the lateral space is saved by 50% in comparison with the single door plate in space, and the door opening time is shorter under the condition of synchronous motion;

2. the invention has simple integral structure, the power source is the motor, the transmission mechanism adopts the form of a synchronous belt, the cost is low, and the control is simple; linkage devices are not arranged among all levels, so that later-period damage and maintenance are convenient;

furthermore, the guide rod and the sliding block can be arranged on the door plate, so that the double-door can be arranged at the position flush with the ground, and can also be used in the use scene of a door opening in the air.

Drawings

In order to illustrate the embodiments of the present invention more clearly, the drawings that are needed in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only one or several embodiments of the present invention, and that other drawings can be obtained by those skilled in the art without inventive effort.

The location and number of identical structures shown in the drawings are merely for convenience in describing the invention and do not indicate or imply that the structures referred to must have a particular orientation, number of distributions and are therefore not to be considered limiting.

FIG. 1 is a front view of the sliding door of the present invention in a closed state;

FIG. 2 is a front view of the sliding door of the present invention in an open state;

FIG. 3 is a schematic structural view of a single-sided transmission mechanism of the present invention;

FIG. 4 is a schematic view of a second mounting location of the present invention;

FIG. 5 is a schematic half-sectional view of a motor output terminal connection structure according to the present invention;

FIG. 6 is a view showing a structure of the connection between the single-sided door panel and the transmission mechanism according to the present invention;

FIG. 7 is a schematic view of the assembly structure of the guide rod and the slide block of the present invention.

In the figure:

1-a protective cover; 2-door panel; 3, a motor; 4-a coupler; 5-a first pulley; 6-a second pulley; 7-bearing seats; 8, mounting a block; 9-top thread; 10-a first synchronization belt; 11-a second synchronous belt; 12-a rotating shaft; 13-a flat bond; 14-a ball bearing; 15-spacer bush; 16-a guide rail; 17-a first connector; 18-a second connector; 19-a slide block; 20-a guide rod; 21-mounting the plate.

Detailed Description

In the description of the present invention, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in fig. 1; the outside-inside direction referred to in the description is the direction from the outside of the opening to the inside of the opening after the door panel is installed. The foregoing general terms are used for convenience in describing the invention and for simplicity in description and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the invention.

The invention will be further explained with reference to the drawings.

As shown in fig. 1, an industrial double-opening two-stage sliding door includes: a protective cover 1 and a door plate 2; the protective cover 1 is arranged above the hole, can be a metal sheet metal part with radian and is used for dust prevention, water prevention and attractive use; a transmission mechanism is arranged in the protective cover 1. Referring to fig. 6, the upper portion of the single door panel 2 is hung on the guide rail 16 by two first connecting members 17, and forms a sliding connection structure, and the first connecting members 17 may be a sliding block or a pulley structure, so that the first connecting members can slide in the guide rail 16 without obstacles.

The door plate 2 comprises four door leaves, and the two door leaves are a group and symmetrically distributed on two sides of the opening to form a double-opening two-stage sliding door; referring to fig. 2, when the door panel 2 is in the fully opened state, the two door panels on the same side form a stacked structure.

The two groups of transmission mechanisms are symmetrically arranged above the hole and respectively drive the door plates on the two sides; as shown in fig. 3, the transmission mechanism includes a motor 3, a first belt pulley 5, a second belt pulley 6, a first synchronous belt 10, a second synchronous belt 11, a first support, and a second support; each support is provided with a driven wheel; the first synchronous belt 10 is sleeved on the first belt pulley 5 and a driven wheel of the first support to form an annular belt transmission structure; the second synchronous belt 11 is sleeved on the second belt pulley 6 and a driven wheel of the second support to form an annular transmission structure; the first support and the second support are fixedly arranged above the door opening. Referring to fig. 5 and 6, the motor 3 drives the first and second synchronous belts 10 and 11 to drive through the first and second pulleys 5 and 6, respectively; the first and second synchronous belts 10, 11 are respectively connected with two door panels at the same side through two groups of second connecting pieces 18; preferably, the diameter of the first pulley 5 is greater than the diameter of the second pulley 6; the length of the first timing belt 10 is greater than that of the second timing belt 11; the first synchronous belt 10 is connected with the door panel at the far end on the same side through a second connecting piece 18; the second synchronous belt 11 is connected with the door plate close to the motor 3 on the same side through a second connecting piece 18. Above-mentioned design aim at, when motor 3 rotated, because first belt pulley 5 diameter is great, drive the high-speed rotation of first synchronous belt 10, made the distal end door plant remove to the direction of pulling open fast, after motor 3 rotated the completion (adjusted the proportion relation), made two door plant synchronous motion target in place, can not appear a door plant motion target in place the back, another door plant still is pulling open the in-process, realized the effect of linkage, when reducing the time of opening the door, avoided installing complicated link gear.

Preferably, as shown in fig. 5, the motor 3 is vertically installed at both sides of the opening, and the output end is connected to the vertically installed rotating shaft 12 through the coupling 4; the upper part and the lower part of a rotating shaft 12 are respectively and coaxially provided with a first belt pulley 5 and a second belt pulley 6, the circumferential positions of the belt pulleys are fixed through a flat key 13, the upper end part and the lower end part of the rotating shaft 12 are fixed through ball bearings 14, the bearings 14 are fixed on a wall body through bearing seats 7, and the bearings 14 at the two ends are separated from the belt pulleys through coaxially arranged spacer bushes 15.

Preferably, the first and second supports each mount a belt tensioning mechanism. Referring specifically to fig. 4, the belt tensioning mechanism includes a mounting block 8, a jack screw 9; the mounting block 8 is fixedly mounted on the wall body and is close to the support main body; a threaded through hole is horizontally processed on the mounting block 8, the jackscrew 9 is mounted at the through hole, and one end of the jackscrew is contacted with the side end surface of the support main body; the support main body is provided with a sliding groove, and the screw penetrates through the sliding groove to be installed on the wall body, so that the support main body can move along the horizontal direction. Under the condition that the belt is not broken, the tensity of the synchronous belt can be adjusted by adjusting the jackscrew 9 on the mounting block 8 due to the fact that the belt is lengthened due to long-term frequent movement or due to different use environments or the change in length caused by expansion with heat and contraction with cold.

Preferably, as shown in fig. 7, the two door panels and the inner door panel and the wall are connected by a sliding structure installed at the lower part. The sliding structure comprises a sliding block 19, a guide rod 20 and a mounting plate 21; two groups of guide rods 20 are arranged on one side of the opening, and the guide rods 20 are respectively arranged on the surface of the inner door plate and the surface of the wall body through mounting plates 21 arranged at two ends; the sliding blocks 19 are mounted on the inner side of the outer door panel and the inner side of the inner door panel, and cooperate with the corresponding guide rods 20 to form a sliding structure. Further, by selecting the slider 19 in the form of a ball, the noise generated by the movement can be reduced.

Although the present invention has been described in detail with reference to examples, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. A double-opening two-stage sliding door for industrial use, comprising: a protective cover (1) and a door panel (2); the protective cover (1) is arranged above the hole; a transmission mechanism is arranged in the protective cover (1); the upper part of the door panel (2) is hung on the guide rail (16) through a first connecting piece (17) and forms a sliding connection structure;

the double-opening two-stage sliding door is characterized in that the door panel (2) comprises four doors, two doors are in a group and are symmetrically distributed on two sides of an opening to form a double-opening two-stage sliding door;

the two groups of transmission mechanisms are symmetrically arranged above the hole and respectively drive the door plates on the two sides; the transmission mechanism comprises a motor (3), a first belt pulley (5), a second belt pulley (6), a first synchronous belt (10), a second synchronous belt (11), a first support and a second support; each support is provided with a driven wheel; the first synchronous belt (10) is sleeved on the first belt pulley (5) and a driven wheel of the first support to form an annular belt transmission structure; the second synchronous belt (11) is sleeved on the second belt pulley (6) and a driven wheel of the second support to form an annular transmission structure; the first support and the second support are fixedly arranged above the door opening;

the motor (3) drives the first synchronous belt (10) and the second synchronous belt (11) to rotate through the first belt pulley (5) and the second belt pulley (6) respectively; the first synchronous belt (10) and the second synchronous belt (11) are respectively connected with the two door panels on the same side through at least two groups of second connecting pieces (18).

2. A double door and double sliding door according to claim 1, wherein said door panels (2) are arranged in a stacked configuration with the same side panels in a fully open position.

3. A double-opening two-stage sliding door according to claim 2, characterised in that the diameter of said first pulley (5) is greater than the diameter of said second pulley (6); the length of the first synchronous belt (10) is greater than that of the second synchronous belt (11); the first synchronous belt (10) is connected with the door panel at the far end on the same side through the second connecting piece (18); the second synchronous belt (11) is connected with the door plate close to the motor (3) on the same side through the second connecting piece (18).

4. A double-open two-stage sliding door according to claim 3, wherein the motor (3) is vertically installed at both sides of the opening, and the output end is connected with a vertically installed rotating shaft (12) through a coupling (4); the upper part and the lower part of the rotating shaft (12) are respectively and coaxially provided with the first belt pulley (5) and the second belt pulley (6) and the circumferential position of the belt pulleys is fixed through a flat key (13).

5. A double open two stage sliding door according to claim 1 wherein said first and second supports each mount a belt tensioning mechanism.

6. A double open two-stage sliding door according to claim 5 wherein said belt tensioning mechanism comprises a mounting block (8), a jack screw (9); the mounting block (8) is fixedly mounted on the wall body and is close to the support main body; the mounting block (8) is horizontally provided with a threaded through hole, the jackscrew (9) is mounted at the through hole, and one end of the jackscrew is in contact with the side end face of the support main body; the support main body is arranged on a wall body through a sliding structure.

7. A double door and double stage sliding door according to claim 1 wherein the two stage door panels and the inner door panel and the wall are connected by a lower mounted sliding structure.

8. The double open two-stage sliding door according to claim 7 wherein the sliding structure comprises a slider (19), a guide bar (20), a mounting plate (21); two groups of guide rods (20) are arranged on one side of the opening, and the guide rods (20) are respectively arranged on the surface of the inner door plate and the surface of the wall body through the mounting plates (21) arranged at two ends; the sliding blocks (19) are arranged on the inner side surface of the outer door panel and the inner side surface of the inner door panel and are matched with the corresponding guide rods (20) to form a sliding structure.