CN213285413U - Single-use escape backpack - Google Patents

Abstract

The utility model discloses a single use knapsack of fleing, including being used for tying up the braces of tie up on the user and slowly falling the mechanism, slowly fall the mechanism and include the fixed bolster, install wheel hub on the fixed bolster and with wheel hub matched with centrifugation speed reduction damper, wheel hub is last to twine the rope, its characterized in that: the centrifugal speed reduction damper comprises a rotating main shaft, centrifugal damping blocks symmetrically arranged, guide rods fixedly connected with the centrifugal damping blocks and a hollow guide pipe perpendicular to and fixedly connected with the main shaft, wherein the guide rods are inserted from two ends of the hollow guide pipe, a spring is arranged between the guide rods and is positioned in the hollow guide pipe, and when the main shaft rotates, the centrifugal damping blocks are abutted against the inner wall of the hub under the action of centrifugal force. The utility model provides a centrifugal damping piece among the centrifugal speed reduction damper is through guide arm and pipe connection to two centrifugal damping piece atresss and communicates with each other, can compensate each other between the two, reach the balance, and the damping effect is better.

Description

Single-use escape backpack

Technical Field

The utility model relates to an escape device especially relates to a personal escape device for high-rise building.

Background

In the prior art, after fire disasters occur to high-rise buildings, people positioned on high floors are difficult to rescue. The existing fire fighting equipment is difficult to rescue high-rise personnel and can only be solved by personnel. With the increasing number of high-rise buildings, equipment which can be used for self rescue of personnel in the high-rise buildings is urgently needed. For example, the invention patent application with the Chinese patent application number of CN201610673055.8 discloses a slow descending escape device, which comprises a shell, wherein the shell comprises a front fixing plate and a rear fixing plate which are arranged in parallel, a slow descending wheel is pivoted between the front fixing plate and the rear fixing plate, a rope is wound on the outer edge of the slow descending wheel, a rope guide mechanism is arranged above the slow descending wheel, the upper parts of the front fixing plate and the rear fixing plate are connected through the rope guide mechanism, one end of the rope is fixed on the slow descending wheel, and the free end of the rope passes through the rope guide mechanism; the outer side of the rear fixing plate is fixedly connected with a connecting plate; the slow-descending escape device is fixed inside the customized backpack through a connecting plate. The slow descending wheel comprises a rotating body and a speed reducing mechanism arranged on the side portion of the rotating body, wherein the slow descending mechanism is arranged inside the rotating body, and the rotating body is connected with the slow descending mechanism through the speed reducing mechanism. Slowly fall mechanism include pivot and centrifugal arm, centrifugal arm and pivot mutually perpendicular are provided with centrifugal slider on the centrifugal arm, the pivot passes through the bearing and the end cover cooperation of preceding, after-fixing board and rotator, reduction gears include central tooth, planetary gear and outer ring gear, central tooth is in planetary gear's center, outer ring gear sets up planetary gear's outer fringe, central tooth links firmly with the pivot, the planetary gear pin joint is in the outside of the end cover of rotator, outer ring gear is fixed on the lateral wall of rotator. The radian of the outer edge of the centrifugal sliding block is matched with that of the inner wall of the rotating body, a circle of guide convex ring is arranged on the inner wall of the rotating body, and a groove matched with the guide convex ring is formed in the outer edge of the centrifugal sliding block. In the scheme, the requirement on machining precision is high, the assembly requirement is also high, and the operation is not stable enough.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that overcome above-mentioned prior art not enough, provide one kind and slow down effectual, processing convenient, be fit for large-scale production, safe and reliable's knapsack of fleing of single use.

According to the utility model, the single-use escape backpack comprises a shoulder strap and a descent control mechanism which are used for being tied on a user, the slow descending mechanism comprises a fixed support, a hub arranged on the fixed support and a centrifugal deceleration damper matched with the hub, the hub is wound with a rope, the centrifugal deceleration damper comprises a rotating main shaft and two centrifugal damping blocks which are symmetrically arranged, each centrifugal damping block is provided with a guide rod, a hollow guide pipe is vertically and fixedly connected on the main shaft, the guide rods are inserted from two ends of the hollow guide pipe, a spring is arranged between the two guide rods, the spring is positioned in the hollow guide pipe, the hub drives the main shaft to rotate through a planetary gear transmission mechanism, the spindle drives the centrifugal damping block to rotate, and the rotation direction of the centrifugal damping block is opposite to that of the hub.

According to the utility model provides a pair of single use's knapsack of fleing still has following attached technical characterstic:

the planetary gear transmission mechanism comprises a gear ring, a planetary gear meshed with the gear ring and a sun gear meshed with the planetary gear, the gear ring is arranged on the inner wall of the hub, the planetary gear is arranged on the fixed support, and the sun gear is fixedly connected with the main shaft.

The fixing support comprises a front support plate, a rear support plate and a connecting column connected with the front support plate and the rear support plate, and the hub is located between the front support plate and the rear support plate.

The multifunctional backpack further comprises a backpack plate, wherein the backpack plate is connected with the fixed support, and a plurality of backpack perforations are arranged on the backpack plate.

The centrifugal speed-reducing damper is characterized in that the hub is provided with an upper cover and a lower cover, the upper cover, the lower cover and the hub form a cavity, the centrifugal speed-reducing damper is installed in the cavity, and the upper cover and the lower cover are installed on the main shaft through bearings.

The hub is characterized in that wing plates are arranged on two end faces of the hub and fixed on the hub through a plurality of screws.

According to the utility model provides a pair of single use's knapsack of fleing compares with prior art and has following advantage: the utility model discloses in through planetary gear drive mechanism and centrifugal damper matched structure for wheel hub is opposite with centrifugal damper's direction of rotation, and this kind of operation structure is more steady.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a perspective view of fig. 1.

Fig. 3 is an exploded perspective view of the present invention.

Fig. 4 is a sectional view of the present invention.

Fig. 5 is an exploded perspective view of the centrifugal deceleration damper of the present invention.

Fig. 6 is a front view of the damping block of the present invention.

Fig. 7 is an enlarged view of a portion a in fig. 4.

Fig. 8 is a front view of the planetary gear of the present invention.

Detailed Description

For the purpose of clearly illustrating the aspects of the present invention, preferred embodiments are given below in conjunction with the accompanying drawings. The following description is merely exemplary in nature and is not intended to limit the present disclosure, application, or uses. It should be understood that throughout the drawings, corresponding reference numerals indicate like or corresponding parts and features.

As shown in fig. 1 to 8, the single-use escape backpack provided by the present invention comprises a strap and a slow descending mechanism for binding on a user, wherein the slow descending mechanism comprises a fixing bracket 1, a hub 2 mounted on the fixing bracket 1, and a centrifugal slow descending damper 3 matched with the hub 2, a rope 4 is wound on the hub 2, the centrifugal slow descending damper 3 comprises a rotating main shaft 31 and symmetrically arranged centrifugal damping blocks 32, guide rods 33 are arranged on the centrifugal damping blocks 32, a hollow guide pipe 34 is vertically and fixedly connected to the main shaft 31, the guide rods 33 are inserted from two ends of the hollow guide pipe 34, a spring 35 is arranged between the two guide rods 33, the spring 35 is located in the hollow guide pipe 34, the hub 2 drives the main shaft 31 to rotate through a planetary gear transmission mechanism 22, the main shaft 31 drives the centrifugal damping blocks 32 to rotate, the rotational direction of the centrifugal damping mass 32 is opposite to the rotational direction of the hub 2. The utility model discloses well braces and knapsack link together, and the structure is similar to the backpack. The descent control mechanism is fixed in the backpack, and the rope therein is pulled out of the backpack. Of course, the shoulder strap may be provided separately, and the shoulder strap may be directly connected to the descent control mechanism, or may be used. The utility model provides a slowly fall the mechanism and can separately use with the braces, will slowly fall the mechanism and fix on the built-in fitting, the braces is connected with the free end of rope 4. The fixing support 1 is used for connecting and fixing, and can be connected with a shoulder strap. The hub 2 is of a cylindrical structure and is used for winding a rope 4. The utility model discloses a set up planetary gear drive 22, it is rotatory to drive centrifugal damping piece 32 by wheel hub 2, and makes centrifugal damping piece 32's direction of rotation opposite with wheel hub 2, consequently, centrifugal damping piece 32 plays the effect of speed reduction to wheel hub 2. The faster the rope 4 is pulled, the faster the hub 2 rotates, the larger the centrifugal force applied to the centrifugal damping block 32 is, and the tighter the centrifugal damping block 32 is in contact with the hub 2, so that the rotating speed of the hub 2 is reduced, after the rotating speed of the hub 2 is reduced, the centrifugal force applied to the centrifugal damping block 32 is reduced, the friction force between the centrifugal damping block 32 and the hub 2 is reduced, the rotating speed of the hub 2 is increased, and the centrifugal force applied to the centrifugal damping block 32 and the rotating speed of the hub 2 are balanced by repeating the steps. The rotating speed of the hub 2 is adjusted by the weight of the centrifugal damping block 32, the utility model discloses generally set up to 0.5-1.5 m/s, guarantee user's decline safety.

Referring to fig. 3 to 8, in the above embodiment of the present invention, further comprising a damping sheet 39 disposed on the centrifugal damping block 32, wherein the damping sheet 39 is made of non-asbestos resin composite material and is pressed on the end of the centrifugal damping block 32 by a hot press forming process, when the main shaft 31 rotates, the centrifugal damping block 32 and the damping sheet 39 are pressed against the inner wall of the hub 2 under the action of centrifugal force, and the damping sheet 39 directly rubs against the inner wall of the hub 2. The utility model provides a centrifugal damping piece 32 links together through guide arm 33 and pipe 34 and spring 35, and two centrifugal damping piece 32 atresss and communicates with each other, and two centrifugal damping piece 32 compensate each other, can be better reach balanced, and the damping effect is better. Due to the adoption of the matching structure of the guide rod 33 and the guide pipe 34, the centrifugal damping block 32 cannot be jammed in the sliding process, and the operation is more stable. The utility model discloses well main shaft 31 can drive pipe 34 and rotate when rotatory to it is rotatory to drive centrifugal damping piece 32, centrifugal damping piece 32 and damping fin 39 are under the effect of centrifugal force, can push up and lean on wheel hub 2's inner wall, the main shaft 31 is rotatory faster, the centrifugal force that centrifugal damping piece 32 and damping fin 39 received is big more, its frictional force with wheel hub 2 is big more, thereby centrifugal damping piece 32 plays the effect of speed reduction to wheel hub 2, make wheel hub 2 keep at the uniform velocity operation. The damping sheet 39 is made of a non-asbestos resin composite material, wherein the non-asbestos resin composite material is used in a brake pad, has good friction performance and heat dissipation performance, and belongs to a mature commercial product.

Referring to fig. 3 to 7, in the above embodiment of the present invention, the present invention further includes that a damping groove 21 is formed on the inner wall of the hub 2, and the damping sheet 39 is in frictional contact with the damping groove 21. The utility model provides a damping fin 39 and damping groove 21 cooperation structure, friction area between them is bigger, and the damping effect is better. The centrifugal damping block 32 is provided with a chamfer, so that the processing is more convenient, and the structure is more convenient to assemble. The side wall of the damping slot 21 is of an inclined surface structure.

Referring to fig. 6, in the above embodiment of the present invention, it is further included that the centrifugal damping block 32 is made by a powder metallurgy process. By the aid of the machining mode, the centrifugal damping block 32 and the guide rod 33 can be conveniently machined and connected.

Referring to fig. 3 to 7, in the above embodiment of the present invention, it is further included that the damping fin 39 is an arc-shaped fin, and the radian of the damping fin 39 is consistent with the radian of the inner wall of the hub 2. In the present embodiment, the curvature of the damper 39 is identical to the curvature of the damper groove 21. The arc of the damping slot 21 is identical to the arc of the inner wall of the hub 2. The radian is consistent, so that the contact area between the damping fin 39 and the damping groove 21 can be increased as much as possible, and the damping effect is improved. The thickness of the damping fin 39 is 2mm-5mm, and 3mm in this embodiment. The length of the damping fin 39 is 35mm-45mm, the width is 25mm-40mm, and the length is 41mm in this embodiment, 32.5mm in this embodiment. The above dimensions can effectively control the friction coefficient and thus the slow descent speed.

Referring to fig. 3 to 7, in the above embodiment of the present invention, it further includes that two guide rods 33 are disposed on each of the centrifugal damping blocks 32, and two hollow conduits 34 are disposed on the main shaft 31. The guide rod 33, the guide pipe 34 and the spring 35 are provided with two groups, and the two centrifugal damping blocks 32 are connected together through an upper group and a lower group of structures, so that the structure is more stable.

Referring to fig. 4 to 6, in the above embodiment of the present invention, it is further included that the end of the guide rod 33 forms a shoulder, and the spring 35 is sleeved on the shoulder. The shoulder structure is provided to facilitate the securement of the spring 35.

Referring to fig. 3 to 7, in the above embodiment of the present invention, it is further included that the fixing bracket 1 includes a front plate 11, a rear plate 12 and a connecting column 13 connecting the front plate 11 and the rear plate 12, and the hub 2 is located between the front plate 11 and the rear plate 12. Support board 11 and the convenient fixed mounting of back support board 12 before setting up, wheel hub 2 is rotatory between the two, spliced pole 13 both plays the effect of connecting, has also played the effect of restriction rope 4, makes things convenient for wheel hub 2 winding rope 4.

Referring to fig. 3, 4, 7 and 8, in the above embodiment of the present invention, it further includes that the planetary gear mechanism 22 includes a ring gear 221, a planetary gear 222 engaged with the ring gear 221, and a sun gear 223 engaged with the planetary gear 222, the ring gear 221 is disposed on the inner wall of the hub 2, the planetary gear 222 is mounted on the rear support plate 12, and the sun gear 223 is fixedly connected to the main shaft 31. By adopting the planetary gear transmission mechanism 22, the transmission ratio can be improved, the rotating speed of the main shaft 31 can be increased, and the damping effect can be improved.

Referring to fig. 1 to 3, in the above embodiment of the present invention, the present invention further includes a strap plate 14, the strap plate 14 is connected to the fixing bracket 1, and a plurality of strap through holes 15 are disposed on the strap plate 14. The strap plate 14 is fixed on the fixing support 1 through bolts, the strap plate 14 is used for mounting a strap, and the strap passes through the strap through hole 15 and is connected with the strap plate 14. The strap through holes 15 are elongated holes, six in total, and are connected up and down and one in the left and right. The whole shape of the strap plate is similar to the back of a human body, and the strap plate is convenient to use.

Referring to fig. 3 and 4, in the above embodiment of the present invention, it is further included that the wheel hub 2 is provided with an upper cover 23 and a lower cover 24, the upper cover 23, the lower cover 24 and the wheel hub 2 form a cavity, the centrifugal deceleration damper 3 is installed in the cavity, and the upper cover 23 and the lower cover 24 are installed on the main shaft 31 through bearings 231, 241. The hub 2 rotates around the main shaft 31, and drives the main shaft 31 to rotate through the planetary gear transmission mechanism 22.

Referring to fig. 3, in the above embodiment of the present invention, it is further included that two end surfaces of the hub 2 are provided with wing plates 29, and the wing plates 29 are fixed on the hub 2 by a plurality of screws. The wings 29 serve to define the cord.

Referring to fig. 1 and 2, in the above embodiment of the present invention, it is further included that the rope 4 is made of steel wire, nylon, plastic or carbon fiber material, and the rope 4 is wrapped with a fireproof layer or made of fireproof material. This embodiment is a steel wire. The rope 4 can resist high temperature of more than 1000 ℃ after fireproof treatment, and the safety is improved.

In summary, the above-mentioned embodiments are only examples of the present invention, which are only used for illustrating the principles of the present invention and are not used for limiting the protection scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a single use knapsack of fleing, is including being used for tying up the braces of tying up on the user and slowly falling the mechanism, slowly fall the mechanism and include the fixed bolster, install wheel hub on the fixed bolster and with wheel hub matched with centrifugation speed reduction damper, wheel hub is last to wind the rope, centrifugation speed reduction damper includes two centrifugation damping pieces that main shaft and symmetry set up, every be provided with the guide arm on the centrifugation damping piece, perpendicular and fixedly connected with cavity pipe on the main shaft, the guide arm is followed the both ends of cavity pipe are inserted, two be provided with the spring between the guide arm, the spring is located in the cavity pipe, its characterized in that: the centrifugal damping block is provided with a damping fin, the damping fin is made of non-asbestos resin composite materials and pressed on the end part of the centrifugal damping block through a hot press molding process, the hub is driven by the planetary gear transmission mechanism to rotate the main shaft, the main shaft drives the centrifugal damping block to rotate, and the rotation direction of the centrifugal damping block is opposite to that of the hub.

2. A single use escape backpack as recited in claim 1 further comprising: the planetary gear transmission mechanism comprises a gear ring, a planetary gear meshed with the gear ring and a central gear meshed with the planetary gear, the gear ring is arranged on the inner wall of the hub, the planetary gear is arranged on the fixed support, and the central gear is fixedly connected with the main shaft.

3. A single use escape backpack as recited in claim 1 further comprising: the fixed support comprises a front support plate, a rear support plate and a connecting column for connecting the front support plate and the rear support plate, and the hub is located between the front support plate and the rear support plate.

4. A single use escape backpack as recited in claim 1 further comprising: the fixing support is connected with the fixing support, and a plurality of strap through holes are formed in the strap plate.

5. A single use escape backpack as recited in claim 1 further comprising: the centrifugal speed-reducing damper is characterized in that the hub is provided with an upper cover and a lower cover, the upper cover, the lower cover and the hub form a cavity, the centrifugal speed-reducing damper is installed in the cavity, and the upper cover and the lower cover are installed on the main shaft through bearings.

6. A single use escape backpack as recited in claim 1 further comprising: and wing plates are arranged on two end faces of the hub and fixed on the hub through a plurality of screws.

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