CN-224214108-U - Self-closing door for safety barrier and entrance and exit of ascending operation platform

Abstract

The utility model discloses a self-closing door for a safety barrier and an entrance and an exit of a climbing operation platform, which comprises a door frame and door uprights, wherein the door frame is arranged between the two vertically arranged door uprights, one side of the door frame is sequentially connected with the same door upright from top to bottom through a first connecting component and a second connecting component, a first fixing seat and a second fixing seat are fixedly connected to the door uprights, the first fixing seat and the second connecting seat are fixedly connected to the door frame, the first fixing seat and the first connecting seat are rotationally connected through a first rotating shaft, the second fixing seat and the second connecting seat are rotationally connected through a second rotating shaft, and the first rotating shaft and the second rotating shaft are not coaxially arranged.

Inventors

• WU QIANG
• Shen Siquan

Assignees

• 圣戈班管道系统有限公司

Dates

Publication Date

20260508

Application Date

20250415

Claims (10)

1. 1. A from closing door for safety barrier and work platform exit of ascending a height, its characterized in that includes portal, door stand, first coupling assembling and second coupling assembling, the portal sets up two of vertical setting between the door stand, one side of portal passes through simultaneously first coupling assembling with the second coupling assembling from top to bottom in proper order with same the door stand is connected, first coupling assembling includes first fixing base, first connecting seat and first axis of rotation, second coupling assembling includes second fixing base, second connecting seat and second axis of rotation, first fixing base with the equal fixed connection of second fixing base is in on the door stand, first fixing base with the equal fixed connection of second connecting seat is in on the portal, first fixing base with first connecting seat passes through first axis of rotation rotates to be connected, second fixing base with the second connecting seat passes through the second rotates to be connected, first axis of rotation with the second axis of rotation does not set up coaxially.
2. 2. The self-closing door for a safety barrier and an entrance and exit of a climbing operation platform according to claim 1, wherein the first fixing seat and the first connecting seat are respectively provided with a first connecting hole, the second fixing seat and the second connecting seat are respectively provided with a second connecting hole, the first rotating shaft is simultaneously inserted into the two first connecting holes, the second rotating shaft is simultaneously inserted into the two second connecting holes, the first rotating shaft and the second rotating shaft are respectively provided with a cylindrical structure, the diameter of the cross section of the first rotating shaft is smaller than the diameter of the first connecting holes, and the diameter of the cross section of the second rotating shaft is smaller than the diameter of the second connecting holes.
3. 3. The self-closing door for a safety barrier and an access opening of a climbing operation platform according to claim 2, wherein the first rotating shaft and the second rotating shaft are respectively sleeved with a composite shaft sleeve.
4. 4. The self-closing door for a safety barrier and an access opening of a climbing operation platform according to claim 2, wherein the door frame comprises a first connecting rod, the first connecting rod is a straight rod member extending in a straight line, the first connecting seat and the second connecting seat are both arranged on the first connecting rod, the first connecting hole is coaxially arranged with the first connecting rod, and the axis of the second connecting hole is parallel to the axis of the first connecting rod.
5. 5. The self-closing door for a safety barrier and an entrance/exit of a climbing operation platform according to claim 4, wherein the door frame further comprises a second connecting rod, the second connecting rod is arranged in parallel with the first connecting rod, a baffle is arranged on the second connecting rod, the baffle is correspondingly arranged away from the door stand column of the first connecting rod, and a clamping limit is formed after the baffle is contacted with the door stand column.
6. 6. The self-closing door for a safety barrier and an entrance/exit of a climbing operation platform according to claim 5, wherein a contact layer is arranged on the baffle plate, the contact layer is made of rubber, and the baffle plate is in contact arrangement with the door upright post through the contact layer.
7. 7. The self-closing door for a safety barrier and an entrance and exit of a climbing operation platform according to claim 6, wherein a placing groove is arranged in the center of the contact layer, a magnetic attraction block is arranged in the placing groove, the magnetic attraction block is fixedly arranged on the baffle, and a magnetic attraction force is arranged between the magnetic attraction block and the door stand column.
8. 8. The self-closing door for a safety barrier and a landing entrance of claim 7, wherein the thickness of said magnetic attraction block is less than the thickness of said contact layer.
9. 9. The self-closing door for a safety barrier and an entrance and exit of a climbing operation platform according to claim 5, wherein a magnetic attraction block is arranged on the baffle plate, contact layers are arranged on two sides of the magnetic attraction block, the contact layer on one side of the magnetic attraction block is fixedly bonded with the baffle plate, and the contact layer on the other side of the magnetic attraction block is elastically contacted with the door stand column.
10. 10. The self-closing door for a safety barrier and an access opening of a climbing operation platform according to claim 5, wherein the door frame further comprises a fixing rod, two ends of the fixing rod are respectively connected with the first connecting rod and the second connecting rod to form the door frame, and a balancing weight is arranged on the fixing rod at the lowest position.

Description

Self-closing door for safety barrier and entrance and exit of ascending operation platform Technical Field The utility model relates to the technical field of safety equipment, in particular to a self-closing door for a safety barrier and an entrance and an exit of a climbing operation platform. Background Most industrial enterprises are safe in control and are provided with a plurality of safety guardrails and safety platforms. In actual use, personnel need to pass through the safety barriers to open access to the safety platform, typically with an access door installed at each of these locations. These emergency exits all need in time close after opening and form confined guardrail structure, avoid appearing the potential safety hazard. The existing safety door is partially manually closed by a bolt, and the door is automatically closed by the spring principle. The safety door that the bolt closed can forget to close because of the human factor and cause the potential safety hazard, and the safety door that spring type closed is in the application occasion of frequently opening and shutting, has the problem that life is shorter, easily influences the function of closing certainly after the spring force weakens after long-term use, and causes the potential safety hazard. In view of the above drawbacks, the present inventors have finally achieved the present utility model through long-time studies and practices. Disclosure of utility model In order to solve the technical defects, the technical scheme adopted by the utility model is that the self-closing door for the safety barrier and the entrance and exit of the ascending operation platform comprises a door frame, door columns, a first connecting component and a second connecting component, wherein the door frame is arranged between the two vertically arranged door columns, one side of the door frame is sequentially connected with the same door column from top to bottom through the first connecting component and the second connecting component, the first connecting component comprises a first fixing seat, a first connecting seat and a first rotating shaft, the second connecting component comprises a second fixing seat, a second connecting seat and a second rotating shaft, the first fixing seat and the second fixing seat are fixedly connected to the door columns, the first connecting seat and the second connecting seat are fixedly connected to the door frame, the first fixing seat and the first connecting seat are rotationally connected through the first rotating shaft, the second fixing seat and the second connecting seat are rotationally connected through the second rotating shaft, and the first rotating shaft and the second rotating shaft are not coaxially arranged. Preferably, the first fixing seat and the first connecting seat are both provided with first connecting holes, the second fixing seat and the second connecting seat are both provided with second connecting holes, the first rotating shaft is simultaneously inserted into the two first connecting holes, the second rotating shaft is simultaneously inserted into the two second connecting holes, the first rotating shaft and the second rotating shaft are both provided with cylindrical structures, the diameter of the cross section of the first rotating shaft is smaller than the diameter of the first connecting holes, and the diameter of the cross section of the second rotating shaft is smaller than the diameter of the second connecting holes. Preferably, the first rotating shaft and the second rotating shaft are sleeved with a composite shaft sleeve. Preferably, the portal comprises a first connecting rod, the first connecting rod is a straight rod part extending in a straight line, the first connecting seat and the second connecting seat are both arranged on the first connecting rod, the first connecting hole is coaxially arranged with the first connecting rod, and the axis of the second connecting hole is parallel to the axis of the first connecting rod. Preferably, the portal further comprises a second connecting rod, the second connecting rod is parallel to the first connecting rod, a baffle is arranged on the second connecting rod, the baffle is correspondingly far away from the first connecting rod and is arranged on the door stand column, and the baffle and the door stand column form clamping limit after being contacted. Preferably, the baffle is provided with a contact layer, the contact layer is made of rubber, and the baffle is in contact with the door upright post through the contact layer. Preferably, the center of the contact layer is provided with a placing groove, a magnetic attraction block is arranged in the placing groove, the magnetic attraction block is fixedly arranged on the baffle, and magnetic attraction is arranged between the magnetic attraction block and the door stand column. Preferably, the thickness of the magnetic attraction block is smaller than that of the contact lay