CN213039150U - Self-closing safety door - Google Patents
Self-closing safety door Download PDFInfo
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- CN213039150U CN213039150U CN202021358943.9U CN202021358943U CN213039150U CN 213039150 U CN213039150 U CN 213039150U CN 202021358943 U CN202021358943 U CN 202021358943U CN 213039150 U CN213039150 U CN 213039150U
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- ball screw
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Abstract
The utility model discloses a self-closing safety door, which comprises a door frame and a rotating assembly positioned on one side of the door frame, wherein the rotating assembly comprises a ball screw and a ball screw nut, the ball screw is connected with the door frame, and the ball screw nut can be fixedly arranged at a target position; the ball screw rod extends along the vertical direction, and the ball screw rod can rotate in the ball screw nut under the action of gravity so as to drive the portal frame to rotate. The utility model provides a self-closing emergency exit relies on self-closing is realized to ball screw and ball screw nut's effect, reduces the safety risk, need not personnel manual closing, and this self-closing emergency exit keeps the normally closed state, and personnel can play the safety protection effect near through or when pursuing the production activity, prevent that personnel from falling.
Description
Technical Field
The utility model relates to an overhaul the safety device field, especially relate to a self-closing emergency exit.
Background
In production and maintenance activities, the steel plate often needs to temporarily pass through or stay in some areas with fall for a long time, such as ladder climbing passage openings, equipment access openings, safety fence passage openings, steel platform warehousing and the like. There is a risk of accidental falls when passing or working in production work in the vicinity of these areas. In order to avoid personnel falling and guarantee the personal safety of workers, a spring type self-closing safety door is generally adopted in the prior art, a load spring is installed, and the safety door can be automatically closed after the personnel pass through the safety door without manual closing of a passer.
However, due to the existence of the spring, after the spring is used for a period of time, the elasticity of the spring is reduced, so that the spring cannot be normally used, the spring needs to be replaced periodically, and the maintenance time is increased; meanwhile, since the partial self-closing door is installed in the radiation area, if it takes too much time to repair and replace the spring in these areas, the operator is exposed to more radiation, which is likely to cause danger.
Therefore, how to improve the reliability of the self-closing safety door is a technical problem that needs to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a self-closing emergency exit, this self-closing emergency exit need not manual closing, uses safe and reliable, longe-lived.
In order to achieve the above object, the utility model provides a following technical scheme:
a self-closing safety door comprises a door frame and a rotating assembly positioned on one side of the door frame, wherein the rotating assembly comprises a ball screw and a ball screw nut, the ball screw is connected with the door frame, and the ball screw nut can be fixedly arranged at a target position; the ball screw rod extends along the vertical direction, and the ball screw rod can rotate in the ball screw nut under the action of gravity so as to drive the portal frame to rotate.
Preferably, the rotating assembly further comprises a sleeve, the ball screw and the ball screw nut are both located in the sleeve, and the ball screw nut is fixedly connected with the sleeve.
Preferably, the ball screw nut and the sleeve are connected by spot welding.
Preferably, the device further comprises a mounting support rod capable of being fixedly arranged at the target position and a fixed pipe clamp capable of being fixedly arranged on the rotating assembly, and the fixed pipe clamp is detachably connected with the mounting support rod.
Preferably, the gantry comprises a gantry fixing portion on which the rotating assembly is mounted and a gantry adjustable portion which is adjustable toward and away from the rotating assembly.
Preferably, the gantry fixing part and the gantry adjustable part are sleeved in a sliding mode and can be fixed through screws.
Preferably, the gantry fixing part comprises a fixed connecting pipe, the gantry adjustable part comprises an adjustable connecting pipe, and the fixed connecting pipe is sleeved with the adjustable connecting pipe; a threaded hole is formed in one circumferential side of the adjustable connecting pipe, an avoidance groove is formed in the other circumferential side of the adjustable connecting pipe, a sliding groove is formed in one side, corresponding to the threaded hole of the adjustable connecting pipe, of the fixed connecting pipe, and a threaded hole is formed in the other side of the fixed connecting pipe; the screw can penetrate through the threaded hole of the adjustable connecting pipe, the sliding groove and the threaded hole of the fixed connecting pipe in sequence and then is connected with the adjusting nut.
Preferably, the gantry is rectangular, and the fixed part and the adjustable part of the gantry are both provided with reinforcing spacer bars.
Preferably, the reinforcing spacer bars are provided with labels.
Preferably, one side of the door frame, which is far away from the rotating assembly, is provided with an anti-reverse limiting block.
The utility model provides a self-closing safety door, including the portal and be located the runner assembly of portal one side, the runner assembly includes ball screw and ball screw nut, the ball screw with the portal is connected, the ball screw nut can set firmly in the target location; the ball screw rod extends along the vertical direction, and the ball screw rod can rotate in the ball screw nut under the action of gravity so as to drive the portal frame to rotate. The utility model provides a self-closing emergency exit relies on self-closing is realized to ball screw and ball screw nut's effect, reduces the safety risk, need not personnel manual closing, and this self-closing emergency exit keeps the normally closed state, and personnel can play the safety protection effect near through or when pursuing the production activity, prevent that personnel from falling.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic front structural view of one embodiment of the self-closing emergency gate according to the present invention;
fig. 2 is a schematic back structural view of an embodiment of the self-closing emergency gate according to the present invention;
fig. 3 is a schematic back side perspective view of the self-closing safety door according to the present invention;
fig. 4 is a schematic structural view of a ball screw nut and a ball screw in the self-closing safety door provided by the present invention;
wherein: mounting a support rod-1; a fixed pipe clamp-2; a sleeve-3; a gantry fixing part-4; a gantry adjustable part-5; a reinforcing spacer bar-6; a label-7; an anti-back-off limiting block-8; ball screw nut-9; ball screw-10.
Detailed Description
The core of the utility model is to provide a self-closing emergency exit, this self-closing emergency exit need not manual closing, uses safe and reliable, longe-lived.
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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 4, fig. 1 is a schematic front structural view of a self-closing emergency exit according to an embodiment of the present invention; fig. 2 is a schematic back structural view of an embodiment of the self-closing emergency gate according to the present invention; fig. 3 is a schematic structural view of the self-closing security door provided by the present invention when the security door is opened; fig. 4 is the structural schematic diagram of the ball screw nut and the ball screw in the self-closing safety door provided by the utility model.
In this embodiment, the self-closing emergency gate includes a portal and a rotation assembly. Wherein, rotating assembly is located one side of portal, and rotating assembly can set firmly in target position such as door frame, and the portal can rotate for the door frame.
Further, the rotating assembly comprises a ball screw rod 10 and a ball screw nut 9, the ball screw rod 10 is connected with the door frame, and the ball screw nut 9 can be fixedly arranged at a target position; the ball screw 10 extends in the vertical direction, and the ball screw 10 can rotate in the ball screw nut 9 under the action of gravity to drive the gantry to rotate.
Concretely, when personnel pass through from closing the emergency exit, lean on personnel manual opening self-closing emergency exit, should drive ball screw 10 from closing the emergency exit and pass through the ball and follow the ball way upward rotation, ball screw nut 9 is fixed on sleeve pipe 3, leaves the back when personnel, and ball screw 10 is under the action of gravity, follows the ball way downward rotation through the ball, realizes slow self-closing, reaches normally closed state, need not personnel manual closing.
The utility model provides a self-closing emergency exit relies on ball screw and ball nut's effect to realize self-closing, reduces the safety risk, need not personnel manual closing, and this self-closing emergency exit keeps the normally closed state, and personnel can play the safety protection effect near through or when pursuing production activities, prevent that personnel from falling.
On the basis of each embodiment, the rotating assembly further comprises a sleeve 3, the ball screw rod 10 and the ball screw nut 9 are both located in the sleeve 3, the ball screw nut 9 is fixedly connected with the sleeve 3, the position of the sleeve 3 is fixed, and then the position of the ball screw nut 9 is fixed.
On the basis of the above embodiments, the ball screw nut 9 and the sleeve 3 are connected by spot welding or electric welding, so that the operation is simple and the connection is firm.
On the basis of the above embodiments, the device further comprises an installation support rod 1 capable of being fixedly arranged at a target position and a fixed pipe clamp 2 capable of being fixedly arranged on the rotating assembly, wherein the fixed pipe clamp 2 is detachably connected with the installation support rod 1. Specifically, the fixing pipe clamp 2 is used for fixing the safety door on a mounting support rod 1, namely an equipment upright, the mounting support rod 1 is connected with a fixing part of the rotating assembly through the fixing pipe clamp 2, and the fixing pipe clamp 2 is connected on the mounting support rod 1 through a bolt. The fixed part of the rotating assembly is referred to as the sleeve 3. Preferably, the type of the fixing tube clamp 2 is various, and it is possible to hold the mounting socket rod 1 having various shapes such as a circle, a square, a hexagon, etc., and various diameters, preferably, phi 30mm to phi 50 mm.
On the basis of the above embodiments, the gantry comprises a gantry fixing part 4 and a gantry adjustable part 5, the rotating assembly is installed on the gantry fixing part 4, and the gantry adjustable part 5 can be adjusted towards the direction close to or far away from the rotating assembly. Specifically, through the setting of adjustable part 5 of portal, can adjust the whole width of portal, and then use under different environment.
On the basis of the above embodiments, the gantry fixing portion 4 and the gantry adjustable portion 5 are slidably sleeved and fixed by screws.
On the basis of the above embodiments, the gantry fixing part 4 includes a fixed connecting pipe, the gantry adjustable part 5 includes an adjustable connecting pipe, and the fixed connecting pipe is sleeved with the adjustable connecting pipe; one side of the circumference of the adjustable connecting pipe is provided with a threaded hole, the other side of the circumference of the adjustable connecting pipe is provided with an avoidance groove, one side of the fixed connecting pipe, which corresponds to the threaded hole of the adjustable connecting pipe, is provided with a sliding groove, and the other side of the fixed connecting pipe is provided with a threaded hole; the screw can sequentially penetrate through the threaded hole of the adjustable connecting pipe, the sliding groove and the threaded hole of the fixed connecting pipe and then is connected with the adjusting nut. Preferably, the number of the threaded holes can be multiple, so that the strength of threaded connection is improved, and the connection stability is ensured. Specifically, four adjusting nuts are arranged on the adjustable connecting pipe and used for adjusting the whole width of the safety door, and the upper side and the lower side are two adjusting nuts respectively.
Specifically, through the spout and dodge the length of groove, can use in the entry width of difference, adjustable range is preferred 200mm, specifically can set up 600 and supplyes 800mm, 800 and supplyes 1000mm, 1000 and supplyes 1200mm three fender, during the in-service use, can select not unidimensional portal as required can, should close emergency exit application range extensively, at industrial factory building especially nuclear power factory building, can the wide application.
On the basis of the above embodiments, the gantry is rectangular, and the gantry fixing part 4 and the gantry adjustable part 5 are both provided with reinforcing spacer bars 6, so as to improve the strength of the gantry.
Further, a label 7 is mounted on the reinforcing spacer 6. Specifically, the door frame fixing part 4 is at least internally provided with two reinforcing spacer bars 6 for reinforcing the door body structure, and the reinforcing spacer bars 6 are fixed with equipment labels 7 for identifying related information of the safety door.
On the basis of the above embodiments, the side of the gantry far away from the rotating assembly is provided with a reverse-opening prevention limiting block 8 for preventing the safety door from opening reversely.
The self-closing safety door provided by the embodiment can be installed on installation support rods 1 with different shapes by selecting different types of fixed pipe clamps 2 and welding the fixed pipe clamps on the sleeve 3 of the rotating assembly, and meanwhile, the width of the door frame is adjustable to adapt to different width conditions, so that the application range is remarkably improved.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The self-closing safety door provided by the utility model is introduced in detail. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (10)
1. The self-closing safety door is characterized by comprising a door frame and a rotating assembly positioned on one side of the door frame, wherein the rotating assembly comprises a ball screw (10) and a ball screw nut (9), the ball screw (10) is connected with the door frame, and the ball screw nut (9) can be fixedly arranged at a target position; the ball screw rod (10) extends along the vertical direction, and the ball screw rod (10) can rotate in the ball screw nut (9) under the action of gravity to drive the gantry to rotate.
2. A self-closing security door according to claim 1, characterized in that the rotating assembly further comprises a sleeve (3), the ball screw (10) and the ball screw nut (9) are both located within the sleeve (3), and the ball screw nut (9) is fixedly connected with the sleeve (3).
3. A self-closing safety door according to claim 2, characterized in that the ball screw nut (9) is spot-welded to the sleeve (3).
4. A self-closing emergency gate according to claim 1, further comprising a mounting support rod (1) fixable at the target position and a fixed pipe clamp (2) fixable at the rotating assembly, the fixed pipe clamp (2) being detachably connected to the mounting support rod (1).
5. A self-closing emergency gate according to any one of claims 1 to 4, wherein said portal comprises a portal fixed portion (4) and a portal adjustable portion (5), said rotatable assembly being mounted on said portal fixed portion (4), said portal adjustable portion (5) being adjustable towards a direction towards or away from said rotatable assembly.
6. A self-closing security gate according to claim 5, wherein said portal fixing part (4) is slidably sleeved with said portal adjustable part (5) and can be fixed therebetween by screws.
7. A self-closing security gate according to claim 6, characterized in that said portal fixed part (4) comprises a fixed connection pipe and said portal adjustable part (5) comprises an adjustable connection pipe, said fixed connection pipe being sleeved with said adjustable connection pipe; a threaded hole is formed in one circumferential side of the adjustable connecting pipe, an avoidance groove is formed in the other circumferential side of the adjustable connecting pipe, a sliding groove is formed in one side, corresponding to the threaded hole of the adjustable connecting pipe, of the fixed connecting pipe, and a threaded hole is formed in the other side of the fixed connecting pipe; the screw can penetrate through the threaded hole of the adjustable connecting pipe, the sliding groove and the threaded hole of the fixed connecting pipe in sequence and then is connected with the adjusting nut.
8. A self-closing security door according to claim 6, characterized in that said portal is rectangular and that said portal fixing portion (4) and said portal adjustable portion (5) are provided with reinforcing spacers (6).
9. A self-closing security door according to claim 8, characterized in that a sign (7) is mounted on the reinforcing spacer (6).
10. A self-closing emergency gate according to any one of claims 1 to 4, wherein the side of the portal remote from the rotation assembly is provided with an anti-back-opening stop block (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021358943.9U CN213039150U (en) | 2020-07-08 | 2020-07-08 | Self-closing safety door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021358943.9U CN213039150U (en) | 2020-07-08 | 2020-07-08 | Self-closing safety door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213039150U true CN213039150U (en) | 2021-04-23 |
Family
ID=75525166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021358943.9U Active CN213039150U (en) | 2020-07-08 | 2020-07-08 | Self-closing safety door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213039150U (en) |
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2020
- 2020-07-08 CN CN202021358943.9U patent/CN213039150U/en active Active
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