CN108404306B

CN108404306B - Intelligent escape backpack

Info

Publication number: CN108404306B
Application number: CN201810177512.3A
Authority: CN
Inventors: 潘星钢
Original assignee: Taizhou Luxi Tools Co ltd
Current assignee: Taizhou Luxi Tools Co ltd
Priority date: 2018-03-02
Filing date: 2018-03-02
Publication date: 2023-02-28
Anticipated expiration: 2038-03-02
Also published as: CN108404306A

Abstract

The invention discloses an intelligent escape backpack which comprises a strap and a slow descending mechanism used for being tied on a user, wherein the slow descending mechanism comprises a fixed support, a hub arranged on the fixed support, a centrifugal speed reducing damper matched with the hub, a rope is wound on the hub, a rope recovery driving mechanism is further arranged on the fixed support, the rope recovery driving mechanism comprises a motor, a transmission structure connected with the motor and a synchronizing wheel connected with the transmission structure, the synchronizing wheel drives the hub to rotate reversely, the intelligent escape backpack also comprises a reciprocating winding guide mechanism arranged at a rope outlet of the fixed support, and the winding guide mechanism comprises a reciprocating lead screw, a guide block arranged on the reciprocating lead screw and a driving wheel for driving the reciprocating lead screw. The invention is provided with the rope recovery driving mechanism, and the motor can automatically recover the rope, so that the slow descending mechanism is recovered to the initial state, and the slow descending mechanism is convenient for multiple people to use repeatedly.

Description

Intelligent escape backpack

Technical Field

The invention relates to an escape device, in particular to a personal escape device for a high-rise building.

Background

In the prior art, after a fire disaster occurs in a high-rise building, personnel at the high-rise 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, whose publication number is 22.2.2017, discloses a slow-descent escape device, which comprises a housing, wherein the housing comprises a front fixing plate and a rear fixing plate which are arranged in parallel, a slow-descent wheel is pivoted between the front fixing plate and the rear fixing plate, a rope is wound on the outer edge of the slow-descent wheel, a rope guide mechanism is arranged above the slow-descent wheel, the upper parts of the front fixing plate and the rear fixing plate are connected by the rope guide mechanism, one end of the rope is fixed on the slow-descent 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 slow-descending escape device cannot be timely recovered after working and can only be used by a single person. In high-rise buildings, people cannot be configured independently, so the defect of the escape device limits the popularization and application of the escape device and increases the use cost.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide an intelligent escape backpack which is convenient to recycle, safe, reliable and beneficial to repeated use by multiple people.

The invention provides an intelligent escape backpack, which comprises a strap and a slow descending mechanism for being bound on a user, wherein the slow descending mechanism comprises a fixed support, a hub arranged on the fixed support, a centrifugal speed reduction damper matched with the hub, a rope is wound on the hub, a rope recovery driving mechanism is further arranged on the fixed support, the rope recovery driving mechanism comprises a motor, a transmission structure connected with the motor and a synchronizing wheel connected with the transmission structure, the synchronizing wheel drives the hub to rotate reversely, the intelligent escape backpack further comprises a reciprocating winding guiding mechanism arranged at a rope outlet of the fixed support, the winding guiding mechanism comprises a reciprocating lead screw, a guiding block arranged on the reciprocating lead screw and a driving wheel driving the reciprocating lead screw, the rope penetrates through the guiding block, the guiding block drives the rope to move so that the rope is automatically arranged during winding, a positive thread and a negative thread are arranged on the reciprocating lead screw, the guiding block is sleeved on the reciprocating lead screw, when the guiding block moves to the tail end, the guiding block is automatically switched to the other end, a steering rod is arranged in parallel with the guide rod, a guide hole is arranged on the reciprocating lead screw, and the guiding block is connected with the guiding wheel.

The intelligent escape backpack provided by the invention also has the following attached technical characteristics:

the reciprocating screw rod is provided with positive and negative threads, the guide block is provided with a threaded hole, and the guide block is sleeved on the reciprocating screw rod.

The guide device further comprises a guide rod arranged in parallel with the reciprocating screw rod, a guide hole is further formed in the guide block, and the guide rod penetrates through the guide hole.

Further comprising, the drive wheel is coupled with the synchronizing wheel.

The rope winding and unwinding device is characterized in that a rope winding and unwinding guide roller set is arranged on the fixed support and consists of two guide rollers, wherein the diameter of the guide roller for winding the rope is larger than that of the other guide roller.

The rope recovery driving mechanism is characterized in that the fixed support is further provided with a travel switch electrically connected with the rope recovery driving mechanism, the free end of the rope is provided with a touch block, and the touch block touches the travel switch.

The travel switch further comprises a switch fixing frame and a sliding block arranged on the switch fixing frame, wherein a conductive pit is arranged on the switch fixing frame, two conductive contacts are arranged in the conductive pit, a conductive ball is arranged on the sliding block, and the conductive ball is connected with the two conductive contacts when sliding into the conductive pit.

Further include, be provided with the spout on the slider, be provided with the guide post on the switch mount, the spout is installed on the guide post.

The lower end of the touch block is formed with a conical part, the sliding block is provided with a guide inclined plane, and the conical part abuts against the guide inclined plane.

The centrifugal speed reduction damper comprises a rotating main shaft, centrifugal damping blocks, guide rods and a hollow guide pipe, wherein the centrifugal damping blocks are symmetrically arranged, the guide rods are fixedly connected with the centrifugal damping blocks, the hollow guide pipe is perpendicular to the main shaft and is fixedly connected with 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 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.

Compared with the prior art, the intelligent escape backpack provided by the invention has the following advantages: the invention is provided with the rope recovery driving mechanism, and the motor can automatically recover the rope, so that the slow descending mechanism is recovered to the initial state, and the slow descending mechanism is convenient for multiple people to use repeatedly. Secondly, the invention is provided with the reciprocating type winding guide mechanism, so that the ropes are effectively wound, the winding space utilization rate is greatly increased, more ropes can be wound, or the product volume can be reduced and the weight of the product can be lightened under the condition that the length of the ropes is fixed, thereby the fatigue strength of an operator is lightened, the ordered winding mechanism enables the product to be more stable and smooth in the descending process, and the phenomena of rope winding and clamping and the like are avoided.

Drawings

FIG. 1 is a front view of a descent control mechanism of the present invention;

fig. 2 is a right side view of fig. 1.

Fig. 3 is a top view of fig. 1.

Fig. 4 is a perspective view of fig. 1.

Fig. 5 is a perspective view of the slow descending mechanism of the present invention with a portion of the fixing bracket removed.

Fig. 6 is a block diagram of a power supply and charger in the present invention.

Fig. 7 is a sectional view of the descent control mechanism of the present invention.

Fig. 8 is a perspective exploded view of a portion of the structure of the present invention.

Fig. 9 is an exploded perspective view of the guide mechanism of the present invention.

Fig. 10 is an exploded perspective view of the travel switch of the present invention.

Fig. 11 is an exploded perspective view of the travel switch of the present invention from another perspective.

Detailed Description

For the purpose of clearly illustrating the aspects of the present invention, preferred embodiments are provided below in conjunction with the detailed description of the 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 intelligent escape backpack provided by the invention comprises a harness and a slow descending mechanism for being tied on a user, wherein the slow descending mechanism comprises a fixed support 1, a hub 2 mounted on the fixed support 1, and a centrifugal deceleration damper 3 matched with the hub 2, a rope 4 is wound on the hub 2, a rope recovery driving mechanism 7 is further arranged on the fixed support 1, the rope recovery driving mechanism 7 comprises a motor 72, a transmission structure 73 connected with the motor 72, and a synchronizing wheel 74 connected with the transmission structure 73, and the synchronizing wheel 74 drives the hub 2 to rotate reversely. In the present invention, the straps are connected together with the backpack, and the straps and backpack structure is similar to a 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 slow descending mechanism can be used separately from the braces, the slow descending mechanism is fixed on the embedded part, and the braces are connected with the free ends of the ropes 4. The fixing support 1 is used for connecting and fixing, and can be connected with a shoulder strap. The hub is of a 2-position cylindrical structure and is used for winding a rope 4. The invention is provided with the rope recovery driving mechanism 7 which can recover the rope 4, so that the escape backpack is recovered to the initial state, and the escape backpack is convenient to be reused. In the present invention, when the descent control mechanism is carried on the user and the free end of the rope 4 is hooked on the embedment, the rope recovery driving mechanism 7 recovers the descent control mechanism together with the harness. When the slow descending mechanism is hooked on the embedded part and the free end of the rope 4 is hooked on the user's back belt, the rope recovery driving mechanism 7 can recover the back belt. The synchronizing wheel 74 of the present invention may be directly connected to the hub 2 or may be connected to the hub 2 through another transmission mechanism. The main function of the synchronizing wheel 74 is to drive the hub 2 in reverse rotation.

Referring to fig. 1 to 6, in the above embodiment of the present invention, it is further included that a plug-in battery 71 is further disposed on the fixing bracket 1, and the battery 71 is electrically connected to the motor 72. The plug-in battery is a rechargeable battery and needs to be charged periodically, and meanwhile, the power supply 71 is also provided with an electricity shortage alarm device for reminding a user of charging. In addition, the invention is also provided with a charger 76, which is convenient for charging. A battery socket 75 is arranged on one side of the fixed support 1, and the power supply 71 is inserted into the socket 75. The invention is provided with the socket 75 to facilitate the power supply to be plugged and installed.

Referring to fig. 4, in the above embodiment of the present invention, it is further included that the transmission mechanism 73 is a timing belt, the timing wheel 74 is a timing pulley, and the motor 72 is connected to the timing pulley through the timing belt. The motor and the synchronous belt wheel are connected through the synchronous belt, so that the transmission is simpler. The diameter of the synchronous belt wheel is larger, and the effect of reducing the speed is achieved. Of course, the transmission mechanism 73 of the present invention may have other structures, such as a gear transmission. The synchronizing wheel can also adopt a gear with a larger diameter.

Referring to fig. 7 and 8, in the above embodiment of the present invention, the centrifugal deceleration damper 3 further includes the main shaft 31, symmetrically disposed centrifugal damping blocks 32, guide rods 33 fixedly connected to the centrifugal damping blocks 32, and a hollow guide tube 34 perpendicular to and fixedly connected to the main shaft 31, the guide rods 33 are inserted from both ends of the hollow guide tube 34, a spring 35 is disposed between the two guide rods 33, the spring 35 is located in the hollow guide tube 34, and when the main shaft 31 rotates, the centrifugal damping blocks 32 abut against the inner wall of the hub 2 under the action of centrifugal force. The centrifugal damping blocks 32 are connected with the spring 35 through the guide rod 33 and the guide pipe 34, the two centrifugal damping blocks 32 are in stress communication, and the two centrifugal damping blocks 32 compensate each other, so that balance can be better achieved, 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. In the invention, when the main shaft 31 rotates, the guide pipe 34 is driven to rotate, so that the centrifugal damping block 32 is driven to rotate, the centrifugal damping block 32 is abutted against the inner wall of the hub 2 under the action of centrifugal force, the faster the main shaft 31 rotates, the larger the centrifugal force applied to the centrifugal damping block 32 is, the larger the friction force between the centrifugal damping block 32 and the hub 2 is, and the centrifugal damping block 32 plays a role in reducing the speed of the hub 2, so that the hub 2 can keep running at a constant speed.

Referring to fig. 7 and 8, in the above embodiment of the present invention, it is further included that a damping chamfer 321 is formed on the centrifugal damping block 32, a damping groove 21 is formed on the inner wall of the hub 2, and the damping chamfer 321 is in frictional contact with the side wall of the damping groove 21. The damping block 32 and the damping groove 21 on the hub 2 have a matched structure, so that the friction area of the damping block and the damping groove is larger, and the damping effect is better. The damping chamfer 321 formed on the centrifugal damping block 32 is more convenient to process, and the structure is more convenient to assemble. The side wall of the damping groove 21 is an inclined surface structure, and the damping chamfer 321 is matched with the inclined surface.

Referring to fig. 8, in the above embodiment of the present invention, it is further included that the damping chamfer 321 is arranged in an arc shape along the length direction. The radian of the damping chamfer 321 is the same as that of the damping groove 21 of the hub 2, so that the damping chamfer and the damping groove can be in close contact, and the contact area is increased.

Referring to fig. 7 and 8, in the above embodiment of the present invention, it is further included that the end of the guide rod 33 forms a shoulder 331, and the spring 35 is sleeved on the shoulder 331. The provision of said shoulder 331 is configured to facilitate the securement of the spring 35.

Referring to fig. 5, 7 and 8, in the above embodiment of the present invention, it is further included that the hub 2 drives the main shaft 31 to rotate through the planetary gear 22, the main shaft 31 drives the centrifugal damping block 32 to rotate, the rotation direction of the centrifugal damping block 32 is opposite to the rotation direction of the hub 2, and the synchronizing wheel 74 is fixed on the main shaft 31. According to the invention, the planetary gear transmission mechanism 22 is arranged, the centrifugal damping block 32 is driven by the hub 2 to rotate, and the rotation direction of the centrifugal damping block 32 is opposite to that of the hub 2, so that the centrifugal damping block 32 has a speed reduction effect on the 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 rotational speed of the hub 2 is adjusted by setting the weight of the centrifugal damping mass 32, which is generally set to 0.5-1.5 m/s in the present invention, ensuring the descending safety of the user. The synchronizing wheel 74 in the present invention is connected with the hub 2 through the planetary gear transmission mechanism 22, the synchronizing wheel 74 drives the main shaft 31 to rotate, and the rotating shaft 31 drives the planetary gear transmission mechanism 22, so as to drive the hub 2 to rotate reversely.

Referring to fig. 7, in the above embodiment of the present invention, it is further included that the fixing bracket 1 includes a front support plate 11, a rear support plate 12 and a connecting column 13 connecting the front support plate 11 and the rear support plate 12, and the hub 2 is located between the front support plate 11 and the rear support 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. 1 and 5, in the above embodiment of the present invention, it is further included that the connecting column 13 is a plurality of connecting columns, wherein one connecting column 131 is arranged in a direction opposite to the outgoing direction, and a hook 132 is arranged on the connecting column 131. The connecting column 13 not only plays a role in connection, but also plays a role in limiting the rope, and is beneficial to the retraction of the rope. The hook 132 is adapted to hook onto an external embedment to suspend the descent control mechanism and the user is attached to the free end of the rope 4.

Referring to fig. 5 and 7, in the above embodiment of the present invention, it is further included 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 with 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. 5 and 8, in the above embodiment of the present invention, it is further included that the hub 2 is provided with an upper cover 23 and a lower cover 24, the upper cover 23, the lower cover 24 and the 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. 1, 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.

Referring to fig. 2 and 9, in the above embodiment of the present invention, it is further included that the fixing bracket 1 is provided with a rope retracting guide roller set 6, and the rope retracting guide roller set 6 is composed of two guide rollers, wherein the diameter of the rope winding guide roller 61 is larger than that of the other guide roller 62. The free end of the rope 4 penetrates through the guide roller group, wherein the diameter of the guide roller 61 which is folded at the outlet of the rope 4 is larger, the bending radius of the rope is increased, the damage of the rope is reduced, the steel rope is particularly obvious, the bending stress of the rope is also reduced, and the rope is more smoothly wound and unwound.

Referring to fig. 5 and 8, in the above embodiment of the present invention, it is further included that side plates 25 are installed on both sides of the hub 2, the side plates 25 and the outer wall of the hub 2 form a wire slot, and the rope 4 is wound in the wire slot. The wire casing facilitates the winding and unwinding of the rope 4. The hub 2 is also provided with a fixing groove 26 at the end part of the rope 4, which is beneficial to the fixed connection of the rope 4.

Referring to fig. 9, in the above embodiment of the present invention, further comprising a reciprocating winding guide mechanism 9 installed at the rope outlet of the fixing bracket 1, the winding guide mechanism 9 comprises a reciprocating lead screw 91, a guide block 92 installed on the reciprocating lead screw 91, and a driving wheel 93 driving the reciprocating lead screw 91. The rope 4 passes through the guide block 92, and the guide block 92 drives the rope 4 to move. The reciprocating type winding guide mechanism 9 enables the ropes 4 to be automatically arranged during winding, effectively arranges the wires, greatly increases the utilization rate of winding space, enables the ropes to be wound with more ropes, or can reduce the volume of the product and the weight of the product under the condition that the length of the ropes is certain, thereby reducing the fatigue strength of operators. The ordered wire arranging mechanism enables the product to be more stable and smooth in the descending process, and avoids the phenomena of rope winding, clamping and the like. If the reciprocating winding mechanism is not used, the product can be in a pyramid stacking shape in the ascending winding process, so that the effective available space of the winding mechanism is reduced, the appearance of the product can be increased, the product becomes heavy, and the pyramid stacking can cause the product to be unstable or even blocked in the descending process.

Referring to fig. 9, in the above embodiment of the present invention, it is further included that the reciprocating screw 91 is provided with a positive and a negative screw thread, the guide block 92 is provided with a screw hole 921, and the guide block 92 is sleeved on the reciprocating screw 91. The reciprocating screw rod 91 of the invention is provided with a positive thread and a negative thread, when the guide block 92 moves to the tail end, the guide block can be automatically switched to the other thread, thereby steering and realizing the reciprocating motion of the guide block 92.

Referring to fig. 9, in the above embodiment of the present invention, it is further included that the reciprocating screw 91 is provided with a guide rod 94 in parallel, the guide block 92 is also provided with a guide hole 922, and the guide rod 94 passes through the guide hole 922. The guide rod 94 performs the limiting and guiding functions, so that the guide block 92 slides.

Referring to fig. 9, in the above embodiment of the present invention, it is further included that the driving wheel 93 is connected with the synchronizing wheel 74. Two driving wheels 93 are connected by a timing belt.

The synchronous wheel is driven by the motor, the reciprocating lead screw of the head is driven by the synchronous wheel and the synchronous belt which are a group of transmission mechanisms, the reciprocating lead screw drives the guide block to reciprocate up and down, through precise calculation, when the rope shell rotates for a circle around the shell, the guide block just moves downwards for the distance of the diameter of the rope, when the guide block moves downwards to the bottom, the reciprocating lead screw automatically turns to enable the guide block to move upwards, and therefore the effect of reciprocating motion is achieved.

Referring to fig. 10 and 11, in the above embodiment of the present invention, it further includes that a travel switch 8 electrically connected to the rope recovery driving mechanism 7 is further disposed on the fixing bracket 1, a free end of the rope 4 is provided with a touch block 41, and the touch block 41 touches the travel switch 8. The structure form of the travel switch 8 in the invention can be various, and the travel switch can also be purchased from mature products in the market, and only the travel switch is triggered in the recovery process of the rope 4. Due to the arrangement of the travel switch 8, after the rope 4 is recovered, the touch block 41 triggers the travel switch 8, so that the rope recovery driving mechanism 7 is stopped, and a protection effect is achieved.

Referring to fig. 10 and 11, in the above embodiment of the present invention, the travel switch 8 further includes a switch fixing frame 81 and a sliding block 82 mounted on the switch fixing frame 81, a conductive pit 811 is provided on the switch fixing frame 81, two conductive contacts are provided in the conductive pit 811, a conductive ball 83 is provided on the sliding block 82, and when the conductive ball 83 slides into the conductive pit 811, the conductive ball 83 connects the two conductive contacts. The conductive contact in the conductive pit 811 is connected with a power supply line, and the slider 82 drives the conductive ball 83 to move by switching on or off the conductive contact through the conductive ball 83. The conductive ball 83 is limited by a spring so that it can conveniently slide into or out of the conductive pit 811.

Referring to fig. 10 and 11, in the above embodiment of the present invention, the sliding block 82 is further provided with a sliding groove 821, the switch fixing frame 81 is provided with a guiding column 812, and the sliding groove 821 is mounted on the guiding column 812. The slide groove 821 slides along the guide post 812 so that the slider 82 can slide smoothly.

Referring to fig. 10 and 11, in the above embodiment of the present invention, it is further included that a tapered portion 411 is formed at the lower end of the touch block 41, a guide inclined surface is provided on the slider 82, and the tapered portion 411 abuts against the guide inclined surface. The touch block 41 can easily push the sliding block 82 to move, so that on-off is controlled.

When the product is lifted to a certain height, the sliding block 82 touches the touch block 41 on the rope, the head part of the touch block is guided inwards in an inclined guide way and pushes the sliding block to slide outwards, so that the power supply is disconnected, and the motor stops working.

In the above embodiment of the present invention, it is further included that a one-way clutch structure is disposed between the synchronizing wheel 74 and the main shaft 31. The present invention provides a one-way clutch so that the timing pulley 74 does not rotate when the rope 4 is pulled out, but rotates only at the time of recovery. The one-way clutch may be a ratchet or other structure.

In summary, the above descriptions are only examples of the present invention, and are only used for illustrating the principle of the present invention, and not 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

1. The utility model provides an intelligence 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 goes up the winding rope, still be provided with a rope on the fixed bolster and retrieve actuating mechanism, rope retrieve actuating mechanism include the motor, with the transmission structure that the motor is connected and with the synchronizing wheel that transmission structure is connected, synchronizing wheel drive wheel hub antiport, its characterized in that: still include one install the reciprocating type wire winding guiding mechanism of fixed bolster play rope mouth department, wire winding guiding mechanism includes reciprocal lead screw, installs guide block and drive on the reciprocal lead screw the drive wheel of reciprocal lead screw, the rope passes the guide block, by the guide block drives the rope and removes, makes the rope is automatic range when the winding, be provided with positive and negative screw thread on the reciprocal lead screw, be provided with the screw hole on the guide block, the guide block suit is in on the reciprocal lead screw, work as when the guide block removed the end, can the automatic switch to on another screw thread to turn to, the parallel guide bar that is provided with of reciprocal lead screw, still be provided with the guiding hole on the guide block, the guide bar passes the guiding hole, the drive wheel with the synchronizing wheel is connected.

2. The intelligent escape backpack of claim 1, wherein: the rope winding and unwinding device is characterized in that a rope winding and unwinding guide roller set is arranged on the fixed support and comprises two guide rollers, wherein the diameter of the guide roller for winding the rope is larger than that of the other guide roller.

3. The intelligent escape backpack of claim 1, wherein: the fixed support is also provided with a travel switch electrically connected with the rope recovery driving mechanism, and the free end of the rope is provided with a touch block which touches the travel switch.

4. An intelligent escape backpack as claimed in claim 3, wherein: the travel switch comprises a switch fixing frame and a sliding block arranged on the switch fixing frame, wherein a conductive pit is arranged on the switch fixing frame, two conductive contacts are arranged in the conductive pit, a conductive ball is arranged on the sliding block, and the conductive ball is communicated with the two conductive contacts when sliding into the conductive pit.

5. The intelligent escape backpack of claim 4, wherein: the sliding block is provided with a sliding groove, the switch fixing frame is provided with a guide post, and the sliding groove is installed on the guide post.

6. An intelligent escape backpack as claimed in claim 4, wherein: the lower end of the touch block is formed with a conical part, the sliding block is provided with a guide inclined plane, and the conical part abuts against the guide inclined plane.

7. The intelligent escape backpack of claim 1, wherein: 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.