CN217233296U

CN217233296U - Safety door

Info

Publication number: CN217233296U
Application number: CN202121545600.8U
Authority: CN
Inventors: 张建; 徐小星; 汤姣艳; 崔树炜
Original assignee: Jiangsu Shirui New Material Technology Co ltd
Current assignee: Nantong Shirui Plastic Products Co ltd
Priority date: 2021-07-08
Filing date: 2021-07-08
Publication date: 2022-08-19
Anticipated expiration: 2031-07-08

Abstract

The utility model discloses a safety door, which relates to the technical field of safety door structures and comprises a base, wherein a bracket is fixedly arranged in a mounting hole of the base, the side wall of one group of bracket is fixedly connected with a first safety barrier structure or a second safety barrier structure, and the side wall of the other group of bracket is connected with a limit column which is matched with the first safety barrier structure or the second safety barrier structure; the utility model discloses open the position to the steel vertical ladder that protects the cage and carry out the shutoff, avoid the workman to walk to the steel vertical ladder that protects the cage and drop from its open position and protect the processing to the workman.

Description

Safety door

Technical Field

The utility model relates to an emergency exit technical field specifically is the emergency exit.

Background

At present, the steel vertical ladder with the protective cage is seen everywhere on hoisting equipment, ships, offshore engineering, buildings, bridges, factories and various large-scale equipment, and is very common in all industries. With the development of society, people pay more and more attention to and demand for work efficiency and safety. The steel vertical ladder with the protective cage needs two hands to alternately release a ladder beam or a rung when a person goes up and down, and then the person holds the next section of ladder beam or rung to move.

The steel vertical ladder that protects the cage has certain security when using, but protects the open state in steel vertical ladder top of cage, and the people walks near the steel vertical ladder that protects the cage occasionally from the risk that the open position of the steel vertical ladder that protects the cage dropped.

A safety gate is thus proposed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a safety door to solve and provide the problem in the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a safety door, includes the base, fixed mounting has the support in the mounting hole of base, and is a set of the first safety of lateral wall fixedly connected with of support blocks structure or second safety and blocks the structure, and another is a set of the lateral wall of support is connected with and blocks the spacing post that structure cooperation was used with first safety or second safety.

Furthermore, the limiting column is cylindrical and is made of polyurethane materials.

Furthermore, the first safety blocking structure comprises a first supporting block, a first rotating shaft, a first transverse block, a reinforcing block, an L-shaped frame, a connecting plate, a first square tube, a second square tube, a thrust ball bearing, a deep groove ball bearing and a straight tube, wherein the first supporting block is fixedly arranged on the side wall of the support, the left thrust ball bearing, the right thrust ball bearing and the deep groove ball bearing are fixedly arranged in a mounting hole of the first supporting block, inner rings of the thrust ball bearing and the deep groove ball bearing are fixedly connected with the first rotating shaft, two groups of same first transverse blocks are fixedly connected to the first rotating shaft, the inclination angle of the first rotating shaft is larger than that of the first transverse block, the top of the first transverse block is connected with the reinforcing block, the straight tube is fixedly connected between the right ends of the first transverse blocks, the outer wall of the first transverse block is fixedly connected with the L-shaped frame, the reinforcing block is respectively fixedly connected with the L-shaped frame and the straight tube, the L-shaped frame is connected with the second square tube and the first square tube, the second square pipe and the first square pipe are connected with a connecting plate.

Furthermore, the outer rings of the thrust ball bearing and the deep groove ball bearing are fixedly arranged in the mounting hole of the first supporting block.

Furthermore, the bottom of one end of the second square pipe is movably connected with the limiting column.

Furthermore, the L-shaped frame, the connecting plate, the first square tube, the second square tube and the straight tube are made of FRP materials.

Furthermore, the inclination angle of the first rotating shaft is 15 degrees north.

Furthermore, the second safety blocking structure comprises second supporting blocks, a second rotating shaft, a third square tube, a sleeve and an installation sleeve, the second supporting blocks are fixedly installed on the side wall of the support, the second rotating shaft is fixedly connected between the second supporting blocks and obliquely arranged, the second rotating shaft is rotatably connected with the sleeve, and the third square tube is fixedly connected with the limiting column in the sleeve and matched with the limiting column.

Furthermore, the inclination angle of the second rotating shaft is 13.5 degrees north to east.

Furthermore, the third square pipe, the sleeve and the mounting sleeve are made of FRP materials.

The beneficial effects of the utility model are that:

the utility model discloses the workman is when the steel vertical ladder of protection cage crawls upwards that the second square pipe and the first square pipe of the first safety barrier structure that promote rotate to the oblique top, after the workman climbs out the steel vertical ladder of protection cage, the second square pipe and the first square pipe that the slope set up rotate along first pivot because of self action of gravity, the second square pipe moves to spacing post, spacing post supports the processing to the second square pipe, connecting plate, first square pipe and second square pipe block up the open position of the steel vertical ladder of protection cage, the steel vertical ladder of avoiding the workman to walk to the protection cage drops from its open position and protects the processing to the workman; or the third party venturi tube that the workman promoted when the steel vertical ladder of protecting the cage upwards crawls to the oblique top of second safety barrier structure rotates, the workman climbs out the steel vertical ladder of protecting the cage after, the third party venturi tube that the slope set up rotates along the second pivot because self action of gravity, the third party venturi tube removes to spacing post on, spacing post supports the third party venturi tube and handles, the third party venturi tube seals up the open position of the steel vertical ladder of protecting the cage, the steel vertical ladder of avoiding the workman to walk to the protecting cage drops from its open position and carries out the protection to the workman.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of embodiment 1 of the present invention;

fig. 2 is a structural front view of embodiment 1 of the present invention;

FIG. 3 is a right side view of the structure of embodiment 1 of the present invention;

fig. 4 is a sectional view of a first rotating shaft and a connecting structure thereof according to embodiment 1 of the present invention;

fig. 5 is a schematic structural diagram of embodiment 2 of the present invention;

fig. 6 is a structural front view of embodiment 2 of the present invention;

fig. 7 is a right side view of the structure of embodiment 2 of the present invention;

fig. 8 is a sectional view of a second rotating shaft and a connecting structure thereof according to embodiment 2 of the present invention;

in the drawings, the reference numbers indicate the following list of parts:

1. the safety device comprises a base 2, a support 3, a first safety barrier structure 31, a first supporting block 32, a first rotating shaft 33, a first transverse block 34, a reinforcing block 35, an L-shaped frame 36, a connecting plate 37, a first square pipe 38, a second square pipe 39, a thrust ball bearing 310, a deep groove ball bearing 311, a straight cylinder 4, a limiting column 5, a second safety barrier structure 51, a second supporting block 52, a second rotating shaft 53, a third square pipe 54, a sleeve 55 and a mounting sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

The present invention will be further described with reference to the following examples.

Example 1

As shown in fig. 1 to 4, a safety door comprises a base 1, a bracket 2 is fixedly installed in an installation hole of the base 1, a first safety blocking structure 3 is fixedly connected to a side wall of one group of brackets 2, the first safety blocking structure 3 comprises a first supporting block 31, a first rotating shaft 32, a first cross block 33, a reinforcing block 34, an L-shaped frame 35, a connecting plate 36, a first square pipe 37, a second square pipe 38, a thrust ball bearing 39, a deep groove ball bearing 310 and a straight cylinder 311, the first supporting block 31 is fixedly installed on the side wall of the bracket 2, the left and right thrust ball bearing 39 and the deep groove ball bearing 310 are fixedly installed in the installation hole of the first supporting block 31, inner rings of the thrust ball bearing 39 and the deep groove ball bearing 310 are fixedly connected with the first rotating shaft 32, two groups of the same first cross block 33 are fixedly connected to the first rotating shaft 32, the inclination angle of the first rotating shaft 32 is provided, the reinforcing block 34 is connected to the top of the first cross block 33, a straight tube 311 is fixedly connected between the right ends of the first transverse blocks 33, an L-shaped frame 35 is fixedly connected with the outer wall of the first transverse blocks 33, a reinforcing block 34 is respectively fixedly connected with the L-shaped frame 35 and the straight tube 311, the L-shaped frame 35 is connected with a second square tube 38 and a first square tube 37, the second square tube 38 and the first square tube 37 are connected with a connecting plate 36, the outer rings of a thrust ball bearing 39 and a deep groove ball bearing 310 are fixedly arranged in the mounting hole of the first supporting block 31, the bottom of one end of the second square tube 38 is movably connected with the limit column 4, the L-shaped frame 35 and the connecting plate 36, the first square tube 37, the second square tube 38 and the straight tube 311 are made of FRP materials, the inclination angle of the first rotating shaft 32 is 15 degrees north and east, the side wall of the other group of the bracket 2 is connected with a limiting column 4 matched with the first safety barrier structure 3 for use, the limiting column 4 is cylindrical, and the limiting column 4 is made of polyurethane materials.

When the safety protection cage is used, the support 2 is fixedly installed with a ladder beam of a steel straight ladder of the protection cage, the base 1 is in good contact with the ground, a worker pushes the second square tube 38 and the first square tube 37 of the first safety barrier structure 3 to rotate obliquely upwards when the steel straight ladder of the protection cage climbs upwards, after the worker climbs out of the steel straight ladder of the protection cage, the second square tube 38 and the first square tube 37 which are obliquely arranged rotate along the first rotating shaft 32 due to the action of self gravity, the second square tube 38 moves to the limiting column 4, the limiting column 4 supports and processes the second square tube 38, the connecting plate 36, the first square tube 37 and the second square tube 38 block the open part of the steel straight ladder of the protection cage, and the steel straight ladder of the protection cage is prevented from falling from the open part to protect the worker.

Example 2

As shown in fig. 5-8, a safety door comprises a base 1, brackets 2 are fixedly installed in installation holes of the base 1, a second safety barrier structure 5 is fixedly connected to side walls of one group of brackets 2, the second safety barrier structure 5 comprises a second supporting block 51, a second rotating shaft 52, a third square tube 53, a sleeve 54 and an installation sleeve 55, the second supporting block 51 is fixedly installed on the side walls of the brackets 2, a second rotating shaft 52 is fixedly connected between the second supporting blocks 51, the second rotating shaft 52 is obliquely arranged, the second rotating shaft 52 is rotatably connected with the sleeve 54, the third square tube 53 matched with the limiting column 4 is fixedly connected in the sleeve 54, the inclination angle of the second rotating shaft 52 is 13.5 degrees north, the third square tube 53, the sleeve 54 and the installation sleeve 55 are made of FRP materials, the side wall of the other group of brackets 2 is connected with the limiting column 4 matched with the second safety barrier structure 5, the limiting column 4 is cylindrical, and the limiting column 4 is made of polyurethane materials.

During the use, support 2 is good with the ladder roof beam fixed mounting of the steel vertical ladder of protection cage, and base 1 is good with ground contact, the workman upwards crawls at the steel vertical ladder of protection cage when the third party venturi tube 53 of the second safety barrier structure 5 that promotes rotates to the oblique top, after the workman climbs out the steel vertical ladder of protection cage, the third party venturi tube 53 that the slope set up rotates along second pivot 52 because self action of gravity, third party venturi tube 53 removes to spacing post 4 on, spacing post 4 supports the processing to third party venturi tube 53, third party venturi tube 53 blocks up the open position of the steel vertical ladder of protection cage, the steel vertical ladder of avoiding the workman to walk to the protection cage drops from its open position and carries out the protection to the workman.

In the description of the present specification, reference to the description of "one embodiment," "an example," "a specific example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A safety door comprising a base (1), characterized in that: the safety barrier device is characterized in that a support (2) is fixedly mounted in a mounting hole of the base (1), one group of the support (2) is fixedly connected with a first safety barrier structure (3) or a second safety barrier structure (5), and the other group of the support (2) is connected with a limit column (4) which is matched with the first safety barrier structure (3) or the second safety barrier structure (5) for use.

2. The security gate of claim 1, wherein: the limiting column (4) is cylindrical, and the limiting column (4) is made of polyurethane materials.

3. The security gate of claim 2, wherein: the first safety blocking structure (3) comprises a first supporting block (31), a first rotating shaft (32), a first transverse block (33), a reinforcing block (34), an L-shaped frame (35), a connecting plate (36), a first square tube (37), a second square tube (38), a thrust ball bearing (39), a deep groove ball bearing (310) and a straight tube (311), wherein the first supporting block (31) is fixedly installed on the side wall of the support (2), the left thrust ball bearing (39) and the right thrust ball bearing (310) are fixedly installed in an installation hole of the first supporting block (31), inner rings of the thrust ball bearing (39) and the deep groove ball bearing (310) are fixedly connected with the first rotating shaft (32), two groups of same first transverse blocks (33) are fixedly connected onto the first rotating shaft (32), the inclination angle of the first rotating shaft (32) is larger than the inclination angle of the first transverse block (33), the reinforcing block (34) is connected to the top of the first transverse block (33), the straight tube (311) is fixedly connected between the right ends of the first transverse blocks (33), the L-shaped frame (35) is fixedly connected to the outer wall of the first transverse blocks (33), the reinforcing blocks (34) are fixedly connected with the L-shaped frame (35) and the straight tube (311) respectively, the L-shaped frame (35) is connected with a second square tube (38) and a first square tube (37), and the second square tube (38) and the first square tube (37) are connected with a connecting plate (36).

4. A security gate according to claim 3, wherein: and outer rings of the thrust ball bearing (39) and the deep groove ball bearing (310) are fixedly arranged in the mounting hole of the first supporting block (31).

5. The security gate of claim 4, wherein: the bottom of one end of the second square pipe (38) is movably connected with the limiting column (4).

6. The safety door according to claim 5, wherein: the L-shaped frame (35), the connecting plate (36), the first square tube (37), the second square tube (38) and the straight tube (311) are made of FRP materials.

7. The security gate of claim 6, wherein: the inclination angle of the first rotating shaft (32) is 15 degrees to the east of the north.

8. The security gate of claim 2, wherein: the second safety blocking structure (5) comprises a second supporting block (51), a second rotating shaft (52), a third square tube (53), a sleeve (54) and an installation sleeve (55), the second supporting block (51) is fixedly installed on the side wall of the support (2), a second rotating shaft (52) is fixedly connected between the second supporting blocks (51), the second rotating shaft (52) is obliquely arranged, the second rotating shaft (52) is rotatably connected with the sleeve (54), and the third square tube (53) is fixedly connected with the limiting column (4) in the sleeve (54) and is matched with the limiting column for use.

9. The security gate of claim 8, wherein: the inclination angle of the second rotating shaft (52) is 13.5 degrees north to east.

10. The security gate of claim 9, wherein: the third square pipe (53), the sleeve (54) and the mounting sleeve (55) are made of FRP materials.