CN209865062U

CN209865062U - Descending device

Info

Publication number: CN209865062U
Application number: CN201920011865.6U
Authority: CN
Inventors: 杨雪梅; 彭宁
Original assignee: Nanjing Kunbao Safety Protection Equipment Co Ltd
Current assignee: Nanjing Kunbao Safety Protection Equipment Co Ltd
Priority date: 2019-01-04
Filing date: 2019-01-04
Publication date: 2019-12-31
Anticipated expiration: 2029-01-04

Abstract

The utility model discloses a descender, including descender body, commentaries on classics board and control lever, be equipped with first spacing hole and a plurality of rope hole along length direction on the descender body, the U-shaped groove has been seted up to descender body one end, the commentaries on classics board through articulated round pin axle rotatable set up in the U-shaped inslot, be equipped with the spacing hole of string buckle ring and second on the commentaries on classics board, the control lever fixed set up in on classics board, through the control lever drives the commentaries on classics board and makes for the pivot of descender body first spacing hole on the descender body with the spacing hole of second on the commentaries on classics board can overlap partially or overlap completely, and when the rope was worn to establish in the overlap region, the effect of exerting the tensile force on string buckle ring was located articulated round pin axle one side, the control lever is located the opposite side of. The utility model discloses the security is high, has concurrently and stops and prevent in disorder two kinds of functions from pulling, and safe and reliable just uses conveniently.

Description

Descending device

Technical Field

The utility model belongs to the technical field of civil escape and fire control are with falling protection and escape and save oneself, especially, relate to a descender.

Background

Descenders (despenders), i.e. protectors for sports (training, mountain climbing, extreme, outdoor, etc.), for protecting operating personnel (sometimes it is necessary to protect trapped personnel) in rescue, also called "descent protectors".

It is opposite to 'riser', and it can increase the friction force to the rope (or steel cable, rail) to strengthen the buffer effect, so as to achieve the aim of 'slow descent'.

The existing descenders are generally gourd hooks or 8-shaped rings, the descenders are operated strictly according to the operation method and have no functions of stopping from being pulled by hands, preventing confusion and the like, in the descending process, the descending or stopping operation can be carried out only by tightening a safety rope, the use is very inconvenient, any misoperation cannot occur, and the equipment lacks the intrinsic safety.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to the not enough of above-mentioned prior art, provide one kind and have simultaneously and leave the hand brake and stop and prevent in disorder two kinds of functions, safe and reliable and use convenient descender.

In order to solve the above problems, the utility model adopts the following technical proposal:

a descender comprises a descender body, a rotating plate and a control rod, wherein a first limiting hole and a plurality of rope holes are formed in the descender body along the length direction, a U-shaped groove is formed in one end of the descender body, the rotating plate is rotatably arranged in the U-shaped groove through a hinge pin shaft, a hanging buckle ring and a second limiting hole are formed in the rotating plate, the control rod is fixedly arranged on the rotating plate, the rotating plate is driven by the control rod to rotate relative to the descender body, the first limiting hole in the descender body and the second limiting hole in the rotating plate can be partially overlapped or completely overlapped, when a rope is arranged in an overlapped area in a penetrating mode, the action line of pulling force exerted on the hanging buckle ring is located on one side of the hinge pin shaft, and the control rod is located on the other side of the hinge pin shaft.

According to a further technical scheme, the distance from the circle center of the first limiting hole to the hinge pin shaft is equal to the distance from the circle center of the second limiting hole to the hinge pin shaft.

According to a further technical scheme, the number of the rope holes is two.

A further technical scheme is that the side wall of the descender body is provided with a first convex edge and a second convex edge along the length direction, and the first convex edge and the second convex edge are positioned on two sides of the rope hole.

The other end of the descender body is provided with a second connecting part matched with the first connecting part.

A further technical scheme is that the first connecting part is a clamping groove, and the second connecting part is a buckle.

The technical scheme is that a plurality of bulges are arranged on one side of the control rod close to the descender body.

The further technical scheme is that the descender body, the rotating plate and the control rod are made of high-strength aluminum alloy or stainless steel or No. 45 steel or carbon fiber.

Adopt the produced beneficial effect of above-mentioned technical scheme to lie in: the utility model discloses the security is high, has concurrently and stops and prevent in disorder two kinds of functions from pulling, and safe and reliable just uses conveniently.

Drawings

Fig. 1 is a schematic structural view of the descender of the present invention when the first limit hole and the second limit hole completely coincide;

fig. 2 is a schematic structural view of the descender of the present invention when the first limit hole and the second limit hole partially overlap.

In figure 1, the descender body; 2. rotating the plate; 3. a control lever; 4. a first limit hole; 5. a rope hole; 6. a U-shaped groove; 7. hanging a snap ring; 8. a second limiting hole; 9. hinging a pin shaft; 10. a first flange; 11. a second flange; 12. a first connection portion; 13. a second connecting portion; 14. and (4) protruding.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1 and 2, a descender includes a descender body 1, a rotating plate 2 and a control rod 3, the descender body 1 is provided with a first limit hole 4 and a plurality of rope holes 5 along a length direction, in this embodiment, there are two rope holes 5, one end of the descender body 1 is provided with a U-shaped groove 6, the rotating plate 2 is rotatably disposed in the U-shaped groove 6 through a hinge pin 9, the rotating plate 2 is provided with a buckle ring 7 and a second limit hole 8, the buckle ring 7 and a safety harness or a waist belt can be connected through a safety hook, the control rod 3 is fixedly disposed on the rotating plate 2, in this embodiment, the control rod 3 is connected with the rotating plate 2 through a rivet, the control rod 3 drives the rotating plate 2 to pivot relative to the descender body 1 so that the first limit hole 4 on the descender body 1 and the second limit hole 8 on the rotating plate 2 can be partially overlapped or completely overlapped, when the rope is inserted into the overlapping area, the action line of the pulling force exerted on the hanging and buckling ring 7 is positioned on one side (the left side in the figure) of the hinge pin shaft 9, and the control rod 3 is positioned on the other side (the right side in the figure) of the hinge pin shaft 9, so that the pulling force exerted on the hanging and buckling ring 7 enables the control rod 3 to rotate towards the direction close to the descender body 1, the area of the overlapping area is reduced, and the friction force between the rope and the descender is increased.

The distance from the circle center of the first limiting hole 4 to the hinge pin shaft 9 is equal to the distance from the circle center of the second limiting hole 8 to the hinge pin shaft 9. Therefore, when the rope is threaded, the first limiting hole 4 and the second limiting hole 8 can be completely overlapped or partially overlapped in the process that the control rod 3 rotates around the hinge pin shaft 9.

The rope firstly passes through the overlapping area of the first limiting hole 4 and the second limiting hole 8 and then sequentially passes through other rope holes 5, a user is hung on the hanging buckle ring 7 through a safety hanging belt or a waist belt, the control rod 3 rotates anticlockwise (in the arrow direction in figure 1) due to the moment of the pulling force applied to the hanging buckle ring 7 to the hinge pin shaft 9, the overlapping area of the first limiting hole 4 and the second limiting hole 8 is reduced, the friction force between the rope and the descender is obviously increased, and therefore the function of 'free-hand brake stopping' is achieved. The escape self-rescuer can loosen hands due to misoperation or only needs to loosen hands when needing to hover, and the traditional 8-shaped ring and the gourd hook can be used for hovering only by tightening a rope and knotting the rope.

When a user needs to descend, the left hand pulls the control rod 3 to pull outwards, the speed can be controlled by adjusting the contact ratio of the first limiting hole 4 and the second limiting hole 8, when the first limiting hole 4 and the second limiting hole 8 are completely overlapped (as shown in fig. 1), the speed is fastest, and at the moment, the user can continue to pull the control rod 3 to pull outwards (as shown in fig. 2) due to instinct, so that the overlapped area of the first limiting hole 4 and the second limiting hole 8 is reduced, the 'panic prevention' function is realized by the clamping rope, and the safety of the user is guaranteed.

The lateral wall of descender body 1 is equipped with first chimb 10 and second chimb 11 along length direction, first chimb 10 and second chimb 11 are located the both sides of rope hole 5. When the rope is placed in the rope hole 5, the rope can be prevented from being hooked by an obstacle and generating friction with the glove.

The free end of control lever 3 is equipped with first connecting portion 12, the other end of descender body 1 be equipped with the second connecting portion 13 of first connecting portion 12 looks adaptation, control lever 3 and descender body 1 can be fixed through the cooperation of first connecting portion 12 and second connecting portion 13.

A plurality of protrusions 14 are arranged on one side, close to the descender body 1, of the control rod 3, and the protrusions 14 are square protrusions. Can form the arc wall between two adjacent archs 14, the shape of arc wall cooperatees with people's finger, and when the user held control lever 3 like this, the finger can be located the arc wall to can reach anti-skidding effect, simultaneously, control lever 3 broad can improve the gripping power, improves this descender user's security by a wide margin.

The descender body 1, the rotating plate 2 and the control rod 3 are made of high-strength aluminum alloy or stainless steel or No. 45 steel or carbon fiber materials.

The following is the concrete use process of the utility model:

the rope firstly passes through the overlapping area of the first limiting hole 4 and the second limiting hole 8 and then sequentially passes through other rope holes 5, a user is hung on the buckle ring 7 through a safety hanging belt or a waistband, then the user pulls the control rod 3, the overlapping degree of the first limiting hole 4 and the second limiting hole 8 is adjusted through the pulling amplitude of the control rod 3, the speed can be controlled, and therefore descending is completed, when the first limiting hole 4 and the second limiting hole 8 are completely overlapped, the speed is fastest, at the moment, the user can continue to pull the control rod 3 to the outer side due to instinct, the overlapping area of the first limiting hole 4 and the second limiting hole 8 is reduced, and therefore the rope is clamped to achieve the function of 'panic prevention'.

In the descending process, when the user needs to stop, the control rod 3 is only required to be loosened, the rope of the anchor point and the pulling force of the hanging buckle ring 7 are mutually tightened, so that the control rod 3 rotates anticlockwise (in the arrow direction in fig. 1), the overlapping area of the first limiting hole 4 and the second limiting hole 8 is reduced, the friction force between the rope and the descending device is obviously increased, the function of 'leaving hands to stop' is realized, and the user can finish hovering in the air.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.

Claims

1. A descender, comprising: including descender body (1), commentaries on classics board (2) and control lever (3), descender body (1) is gone up and is equipped with first spacing hole (4) and a plurality of rope hole (5) along length direction, the lateral wall of descender body (1) is equipped with first chimb (10) and second chimb (11) along length direction, first chimb (10) and second chimb (11) are located the both sides of rope hole (5), U-shaped groove (6) have been seted up to descender body (1) one end, commentaries on classics board (2) through articulated round pin axle (9) rotatable set up in U-shaped groove (6), be equipped with on commentaries on classics board (2) and hang buckle ring (7) and spacing hole of second (8), control lever (3) are connected with commentaries on classics board (2) through rivet, through control lever (3) drive commentaries on classics board (2) make for the pivot of descender body (1) first spacing hole (4) on descender body (1) with change the second on board (2) The two limiting holes (8) can be partially overlapped or completely overlapped, when the rope is arranged in the overlapping area in a penetrating mode, the action line of the pulling force exerted on the hanging buckle ring (7) is located on one side of the hinge pin shaft (9), and the control rod (3) is located on the other side of the hinge pin shaft (9).

2. A descender as claimed in claim 1, wherein: the distance from the circle center of the first limiting hole (4) to the hinge pin shaft (9) is equal to the distance from the circle center of the second limiting hole (8) to the hinge pin shaft (9).

3. A descender as claimed in claim 1, wherein: the number of the rope holes (5) is two.

4. A descender as claimed in claim 1, wherein: the free end of control lever (3) is equipped with first connecting portion (12), the other end of descender body (1) is equipped with second connecting portion (13) of first connecting portion (12) looks adaptation.

5. A descender according to claim 4, characterised in that: the first connecting portion (12) is a clamping groove, and the second connecting portion (13) is a buckle.

6. A descender as claimed in claim 1, wherein: a plurality of bulges (14) are arranged on one side of the control rod (3) close to the descender body (1).

7. A descender as claimed in claim 1, wherein: the descender body (1), the rotating plate (2) and the control rod (3) are made of high-strength aluminum alloy or stainless steel or No. 45 steel or carbon fiber materials.