CN211434821U

CN211434821U - Speed reducing mechanism for slow descending device of escape backpack

Info

Publication number: CN211434821U
Application number: CN201922102121.8U
Authority: CN
Inventors: 王跃
Original assignee: Pinghu Jiaan Fire Technology Co ltd
Current assignee: Pinghu Jiaan Fire Technology Co ltd
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-09-08
Anticipated expiration: 2029-11-29

Abstract

The utility model discloses a slow reduction gears for device that falls of knapsack flees, including structural slab, drawing drum and spacing box, the structural slab is inside to be installed main rotating gear and main rotating gear outside cover through the bearing and to be equipped with the drawing drum, the drawing drum inboard has been seted up and has been provided with drive gear between tooth's socket and the drawing drum and the main rotating gear, the winding in the drawing drum outside is fixed with the rope, the welding of drawing drum top both ends has fixed block and fixed block one end to be connected with the latch through the pivot, fixed block pot head is equipped with the transmission post, the welding of fixed block top has spacing box and spacing box inboard to install a gear through the bearing, spacing box is inside to install spacing roller and spacing roller pot head through the bearing and is equipped with No. two gears. The utility model discloses can prevent effectively that the rope from retrieving because of stress to can protect the difficult wearing and tearing of rope, be fit for being extensively promoted and used.

Description

Speed reducing mechanism for slow descending device of escape backpack

Technical Field

The utility model relates to a reduction gears technical field, in particular to escape backpack's slow reduction gears for device that falls.

Background

The high-altitude safety escape device is mainly used for safely descending personnel to the ground when the high-altitude operation personnel have an accident, and accordingly the high-altitude safety escape device is accepted and valued by more and more people in recent years due to the popularization of high-rise buildings and outdoor climbing, and the speed reducing mechanism is an important accessory in an escape backpack.

Patent No. CN201820183882.3 discloses a single speed reduction high-rise escape backpack, and its reduction gears comprises ring gear, sun gear axle, planetary gear, rope stop device, spacing hole, sliding roller subassembly, rope baffle, first sliding roller and second sliding roller.

The single-speed-reduction high-rise escape backpack has the following disadvantages: 1. the speed reducing mechanism for the slow descending device of the escape backpack is characterized in that a rope recovery preventing device is not arranged, the conditions of rope gear reversal and rope recovery can occur due to stress during descending, 2, a rope protecting device is not arranged, and when a rope stretches out, the rope easily rubs with a structural plate or a limiting device to cause rope abrasion.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a speed reduction mechanism for a slow descent device of an escape backpack, which can effectively solve the problems in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a knapsack flee slow reduction gears for device that falls, includes structural slab, drawing drum and spacing box, the structural slab is inside to install main drive gear and main drive gear outside cover through the bearing and to be equipped with the drawing drum, the drawing drum inboard has been seted up and has been provided with drive gear between tooth's socket and drawing drum and the main drive gear, the winding in the drawing drum outside is fixed with the rope, the welding of drawing drum top both ends has fixed block and fixed block one end to be connected with the latch through the pivot, fixed block pot head is equipped with the transmission post, the welding of fixed block top has spacing box and spacing box inboard to install a gear through the bearing, spacing box is inside to install spacing roller and spacing roller pot head through the bearing and is equipped with No..

Furthermore, the number of the transmission gears is multiple, and the transmission gears and the main rotating gear are meshed with the tooth grooves.

Further, transmission post one end is fixed in latch one end and transmission post outside cover through the thread groove and is equipped with a spring, install No. two springs through the mounting groove between fixed block and the latch.

Furthermore, the number of the limiting rollers is multiple, and the first gear and the second gear are meshed with each other.

Further, rope one end runs through latch and spacing box and rope one end is fixed with fixed the knot, the spliced pole is fixed with through the thread groove in the structural slab.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. through setting up fixed block, latch and transmission post, a spring and No. two springs can effectively promote the latch and go out the rope block, prevent that it from retrieving, and personnel pulling transmission post can stimulate the latch and leave the rope, can retrieve the rope after making personnel use.

2. Through setting up out the spool, its both ends are arc, can prevent effectively that the rope from taking place the friction with structural slab and spacing box when removing, avoid rope wearing and tearing.

Drawings

Fig. 1 is a schematic view of the overall structure of the speed reducing mechanism for the slow descending device of the escape backpack.

Fig. 2 is a schematic view of the internal structure of the speed reducing mechanism for the slow descending device of the escape backpack.

Fig. 3 is a schematic structural view of a limiting roller of the speed reducing mechanism for the slow descending device of the escape backpack.

In the figure: 1. a structural panel; 2. a pay-off reel; 3. a limiting box; 4. a rope; 5. a wire outlet pipe; 6. a fixing buckle; 7. a main rotating gear; 8. a transmission gear; 9. a tooth socket; 10. connecting columns; 11. a fixed block; 12. clamping teeth; 13. a drive post; 14. a first spring; 15. a second spring; 16. a limiting roller; 17. a first gear; 18. and a second gear.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-3, a speed reducing mechanism for a slow descending device of an escape backpack comprises a structural plate 1, a pay-off reel 2 and a limiting box 3, a main rotating gear 7 is arranged in the structural plate 1 through a bearing, a pay-off reel 2 is sleeved outside the main rotating gear 7, a tooth groove 9 is arranged on the inner side of the pay-off reel 2, a transmission gear 8 is arranged between the pay-off reel 2 and the main rotating gear 7, a rope 4 is wound and fixed on the outer side of the pay-off reel 2, fixed blocks 11 are welded at two ends of the top of the pay-off reel 2, one end of each fixed block 11 is connected with a latch 12 through a rotating shaft, one end of the fixed block 11 is sleeved with a transmission column 13, the top of the fixed block 11 is welded with a limit box 3, the inner side of the limit box 3 is provided with a first gear 17 through a bearing, the inside spacing roller 16 and spacing 16 pot head of installing through the bearing of spacing box 3 are equipped with No. two gears 18.

The number of the transmission gears 8 is multiple, and the transmission gears 8 and the main rotating gear 7 are meshed with the tooth grooves 9.

In the embodiment, as shown in fig. 1, a plurality of transmission gears 8 can effectively reduce the rotation speed of the pay-off reel 2 through the main rotating gear 7 and the tooth grooves 9.

Wherein, transmission post 13 one end is fixed in latch 12 one end and transmission post 13 outside cover through the thread groove and is equipped with spring 14 No. one, install No. two spring 15 through the mounting groove between fixed block 11 and the latch 12.

In this embodiment, as shown in fig. 2, the first spring 14 and the second spring 15 can effectively push the latch 12 to engage the rope 4, thereby preventing the rope from being recovered.

The number of the limiting rollers 16 is multiple, and the first gear 17 and the second gear 18 are meshed.

In this embodiment, as shown in fig. 2, the plurality of limiting rollers 16 can prevent the rope from shaking, and the first gear 17 drives the plurality of limiting rollers 16 to rotate through the second gear 18.

Wherein, rope 4 one end is run through latch 12 and spacing box 3 and rope 4 one end is fixed with fixed knot 6, the inside spliced pole 10 that is fixed with through the thread groove of structural slab 1.

In this embodiment, as shown in fig. 2, the fixing buckle 6 facilitates a person to fix the rope 4, and the plurality of connecting columns 10 can improve the stability of the structural slab 1.

It should be noted that the utility model relates to a speed reducing mechanism for slow descending device of escape backpack, during operation, the person pulls out the rope 4, fix one end of the rope 4 mainly through the fixing buckle 6, the rope 4 pulls the pay-off reel 2 to rotate when descending, the pay-off reel 2 rotates to relieve the rotation through the tooth socket 9, the main rotating gear 7 and the plurality of transmission gears 8, thereby achieving the purposes of speed reduction and slow descending, the first spring 14 and the second spring 15 can effectively push the latch 12 to latch out the rope 4, thereby preventing the recovery, the person pulls the transmission column 13 to pull the latch 12 to leave the rope 4, so that the person can recover the rope 4 after using, the plurality of limit rollers 16 can effectively prevent the rope 4 from shaking, the plurality of limit rollers 16 simultaneously rotate through the first gear 17 and the second gear 18, both ends of the outlet pipe 5 are arc-shaped, thereby effectively preventing the rope 4 from rubbing with the structure plate 1 and the limit box 3 when moving, wear of the rope 4 is avoided.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a speed reduction mechanism for slow descent device of knapsack of fleing, includes structural slab (1), drawing drum (2) and spacing box (3), its characterized in that: a main rotating gear (7) is arranged in the structural plate (1) through a bearing, a pay-off reel (2) is sleeved on the outer side of the main rotating gear (7), a tooth socket (9) is arranged on the inner side of the pay-off reel (2), a transmission gear (8) is arranged between the pay-off reel (2) and the main rotating gear (7), a rope (4) is wound and fixed on the outer side of the pay-off reel (2), fixed blocks (11) are welded at two ends of the top of the pay-off reel (2), one end of each fixed block (11) is connected with a latch (12) through a rotating shaft, one end of the fixed block (11) is sleeved with a transmission column (13), the top of the fixed block (11) is welded with a limit box (3), the inner side of the limit box (3) is provided with a first gear (17) through a bearing, the limiting box (3) is internally provided with a limiting roller (16) through a bearing, and one end of the limiting roller (16) is sleeved with a second gear (18).

2. The speed reducing mechanism for the slow descending device of the escape backpack as claimed in claim 1, wherein: the number of the transmission gears (8) is multiple, and the transmission gears (8) and the main rotating gear (7) are meshed with the tooth grooves (9).

3. The speed reducing mechanism for the slow descending device of the escape backpack as claimed in claim 1, wherein: transmission post (13) one end is fixed in latch (12) one end and transmission post (13) outside cover through the thread groove and is equipped with spring (14), install No. two spring (15) through the mounting groove between fixed block (11) and latch (12).

4. The speed reducing mechanism for the slow descending device of the escape backpack as claimed in claim 1, wherein: the number of the limiting rollers (16) is multiple, and the first gear (17) and the second gear (18) are meshed.

5. The speed reducing mechanism for the slow descending device of the escape backpack as claimed in claim 1, wherein: rope (4) one end is run through latch (12) and spacing box (3) and rope (4) one end and is fixed with fixed knot (6), spliced pole (10) are fixed with through the thread groove in structural slab (1) inside.