CN210289539U

CN210289539U - Telescopic safety protection door

Info

Publication number: CN210289539U
Application number: CN201920214823.2U
Authority: CN
Inventors: 陈伟
Original assignee: Zhejiang Damon Technology Co Ltd
Current assignee: Damon Technology Group Corp Ltd
Priority date: 2019-02-20
Filing date: 2019-02-20
Publication date: 2020-04-10
Anticipated expiration: 2029-02-20

Abstract

The utility model relates to a telescopic safety protection door, including frame, door plant and hoist mechanism, the door plant has two at least, every the door plant slides on setting up the track in the frame, is equipped with between two door plants and drives the cooperation mechanism that another door plant removed when one of them door plant removes. The utility model discloses only realize the whole lift of door plant through single chain drive mechanism, simplified guard gate overall structure, reduced manufacturing cost, the maintenance of being convenient for, guard gate accessible removes movable door plant observation device internal conditions after closing moreover, has the function of protection and observation concurrently.

Description

Telescopic safety protection door

Technical Field

The utility model relates to a guard gate technical field, in particular to telescopic safety guard gate.

Background

Safety doors for protection are required to be arranged in front of equipment needing protection, such as a vertical conveyor and the like, so that people can be prevented from entering the safety doors, and a safety protection effect is achieved. The common safety protection door is a plastic curtain door, the safety door of the type needs to be purchased integrally, the price is high, accessories are complex, the maintenance is complicated, the service life of the plastic curtain is short, and the like.

The utility model discloses a chinese utility model patent application No. 201020680909.3 discloses a full-automatic machinery vehicle storehouse multilayer flexible door, it includes door frame device and sets up in door frame device's transmission, and it still includes the lift gate that the multilayer can overlap and promotes sprocket assembly, through promoting sprocket assembly interconnect between the adjacent two-layer lift gate, the lift gate of transmission drive connection the superiors, each layer lift gate rail joint in door frame device, because this flexible door's adjacent two-layer lift gate passes through to promote sprocket assembly and connects, and the lift gate quantity is more, promotes sprocket assembly also more, has increased the complexity of flexible door, has improved manufacturing cost.

SUMMERY OF THE UTILITY MODEL

The utility model provides a solve above-mentioned problem a telescopic safety protection door, it is more to solve among the prior art overhead door quantity, promotes the problem that sprocket assembly is also more to simplify the structure of guard gate.

The above object of the present invention can be achieved by the following technical solutions: the utility model provides a telescopic safety protection door, includes frame, door plant and hoist mechanism, the door plant has two at least, every the door plant slides on setting up the track in the frame, is equipped with the cooperation mechanism that drives another door plant and remove when one of them door plant removes between two door plants.

Preferably, the engaging mechanism includes a blocking member, and the blocking member is fixedly connected to the door panel.

Preferably, the blocking member is provided on an upper end surface or a lower end surface of the door panel.

Preferably, a buffer is arranged on the end surface of the door panel, which is in contact with the blocking piece.

The buffer piece can adopt a rubber block to reduce the impact and noise when the buffer piece and the rubber block are contacted.

Preferably, the sliding rail is of an L-shaped structure or a U-shaped structure which is formed by folding a metal plate.

Preferably, the door panel is provided with a guide member moving along the rail.

Preferably, the upper end and the lower end of the track are provided with limit blocks for limiting the moving position of the door panel.

Preferably, the protective door further comprises a supporting and positioning structure, and the supporting and positioning structure is arranged on the frame and used for supporting the bottom of the corresponding door panel.

When the protective door is closed, the door plate descends under the self gravity until contacting with the supporting and positioning structure, so that the door plate is supported on the supporting and positioning structure, and the adjacent door plates are sequentially distributed up and down.

Preferably, the supporting and positioning structure comprises a positioning part, the positioning part is fixed on the frame, and a buffer part is arranged on the upper end face of the positioning part.

Preferably, a buffer member is disposed on an end surface of the positioning member contacting the door panel.

The utility model has the advantages that: the utility model discloses a door plant and the cooperation action that stops realize the lift of polylith door plant promptly through single hoist mechanism, have simplified guard gate overall structure, have reduced manufacturing cost, make things convenient for later stage maintenance.

Drawings

Fig. 1 is a schematic structural view of a protective door in a closed state according to embodiment 1 of the present invention;

fig. 2 is a schematic structural view of the protection door in the open state according to embodiment 1 of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 1 at A;

fig. 4 is a schematic structural view of a rail in embodiment 1 of the present invention;

fig. 5 is a schematic structural view of a protective door in a closed state according to embodiment 2 of the present invention;

fig. 6 is a schematic structural view of the protection door in the open state according to embodiment 2 of the present invention;

FIG. 7 is a cross-sectional view taken at B-B of FIG. 6;

in the figure: 1-frame, 2-door plate, 21-first door plate, 22-second door plate, 23-third door plate, 3-lifting mechanism, 31-chain wheel, 32-transmission chain, 33-rotating shaft, 34-driving motor, 4-blocking piece, 5-track, 6-limiting block and 7-positioning piece.

Detailed Description

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

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent laws within the scope of the claims of the present invention.

Example 1: as shown in fig. 1, 2, 3 and 4, a telescopic safety protection door comprises a frame 1, two door panels 2 and a lifting mechanism 3, wherein the two door panels 2 comprise a first door panel 21 and a second door panel 22, and the first door panel 21 and the second door panel 22 respectively slide on a track 5 arranged in the frame.

Lifting mechanism 3 drive first door plant 21 reciprocates, is equipped with the cooperation mechanism between two adjacent door plant 2, and the cooperation mechanism is including blockking piece 4, stops 4 rigid couplings on second door plant 22, and first door plant 21 drives second door plant 22 through blockking piece 4 and removes when rebound. The blocking piece 4 is a baffle, a blocking rod or a stop block protruding from one side of the door panel 2.

As shown in fig. 1 and 2, when the guard door is closed, the first door panel 21 is disposed below the second door panel 22; when the protective door is opened, the upper end of the first door panel 21 props against the blocking piece 4 to drive the second door panel 22 to move upwards, and when the protective door is completely opened, the first door panel 2 and the second door panel 22 are in a front-back overlapping state.

The end surface of the first door panel 21 where the blocking member 4 contacts is provided with a buffer member.

As shown in fig. 4, the rail 5 is a U-shaped structure made of folded sheet metal, the door panel 2 is fixedly provided with guide members moving along the rail 5, the guide members respectively move along U-shaped folded edges of the rail 5, and the guide members are guide blocks having guide grooves.

The upper end and the lower end of the track 5 are fixedly provided with limiting blocks 6 for limiting the moving position of the door panel 2 so as to limit the highest position and the lowest position of the door panel 2.

As shown in fig. 2, the protective door further includes a supporting and positioning structure, which is disposed on the frame 1 and is used for supporting the bottom of the corresponding door panel 2. The supporting and positioning structure comprises a positioning part 7, the positioning part 7 is fixed on the frame 1, and a buffer part is arranged on the upper end face of the positioning part 7. The positioning member 7 may be a positioning block, a positioning piece, or a positioning rod fixed to the frame 1.

In this embodiment the buffer members are rubber blocks.

As shown in fig. 1, fig. 2 and fig. 3, the lifting mechanism 3 includes a chain wheel 31, a transmission chain 32 and a driving motor 34, the chain wheel 31 is disposed at the upper end and the lower end of the frame 1, the transmission chain 32 winds between the two chain wheels 31, the transmission chain 32 is disposed at the two sides of the door panel 2, each transmission chain 32 is fixedly connected to the first door panel 21, the two chain wheels 31 at the upper end of the frame 1 rotate synchronously through a rotating shaft 33, the two chain wheels 31 at the lower end of the frame 1 rotate respectively on the frame 1, and the driving motor 34 is mounted on the frame 1 and drives the rotating shaft 33 to rotate.

Example 2: as shown in fig. 5, 6, and 7, the difference from embodiment 1 is that the number of the door panels 2 is three, and the door panels include a first door panel 21, a second door panel 22, and a third door panel 23, the blocking member 4 is fixedly connected to the second door panel 22 and the third door panel 23, the first door panel 21 drives the second door panel 22 to move through the blocking member 4 when moving upward, and the second door panel 22 drives the third door panel 23 to move through the blocking member 4.

As shown in fig. 5, when the protective door is closed, the second door panel 22 and the third door panel 23 slide downwards under the action of gravity until contacting the respective positioning members 7, so that the three door panels 2 are arranged in sequence from top to bottom; as shown in fig. 6, when the protective door is opened, three door panels 2 are stacked front to back.

As shown in fig. 7, the number of the rails 5 is two, one is a U-shaped structure folded by sheet metal, and the other is an L-shaped structure folded by sheet metal, wherein the two door panels 2 move along the rails 5 of the U-shaped structure, and the other door panel 2 moves along the rails 5 of the L-shaped structure.

Example 3: the difference from the above embodiment is that the blocking member 4 is disposed on the lower end surface of the door panel 2, and when one of the door panels 2 moves upward, the blocking member 4 contacts the lower end surface of the other door panel 2 and drives the door panel 2 to move upward.

Claims

1. The utility model provides a telescopic safety protection door, includes frame (1), door plant (2) and hoist mechanism (3), its characterized in that: the door plate (2) is at least provided with two door plates, each door plate (2) slides on a track (5) arranged in the frame (1), and a matching mechanism which drives the other door plate (2) to move when one door plate (2) moves is arranged between the two door plates (2).

2. A retractable safety shield door according to claim 1, further comprising: the matching mechanism comprises a blocking piece (4), and the blocking piece (4) is fixedly connected to the door panel (2).

3. A retractable safety shield door according to claim 2, further comprising: the blocking piece (4) is arranged on the upper end face or the lower end face of the door panel (2).

4. A retractable safety guard door according to claim 2 or 3, wherein: the door plate (2) and the end face of the blocking piece (4) in contact are provided with buffering pieces.

5. A retractable safety shield door according to claim 1, further comprising: the rail (5) is of an L-shaped structure or a U-shaped structure which is formed by folding a metal plate.

6. The retractable safety shield door of claim 5, wherein: the door plate (2) is provided with a guide piece moving along the track (5).

7. The retractable safety shield door of claim 6, wherein: and the upper end and the lower end of the track (5) are provided with limit blocks (6) for limiting the moving position of the door panel (2).

8. A retractable safety shield door according to claim 1, further comprising: the protective door further comprises a supporting and positioning structure, and the supporting and positioning structure is arranged on the frame (1) and is used for supporting the bottom of the corresponding door panel (2).

9. The retractable safety shield door of claim 8, wherein: the supporting and positioning structure comprises a positioning piece (7), the positioning piece (7) is fixed on the frame (1), and a buffer piece is arranged on the upper end face of the positioning piece (7).

10. The retractable safety shield door of claim 9, wherein: and a buffer piece is arranged on the end surface of the positioning piece (7) which is contacted with the door plate (2).