TWM574051U - Slowly-descending escape apparatus - Google Patents

Abstract

A descending escape device includes: a plurality of guiding members extending from an escape hole to a low floor slab; a descending platform coupled to the guiding member; a screw and an engaging member, the engaging member being sleeved on the outside of the screw and Connecting the descending platform; a deceleration device connected to the screw; when the descending platform carries the escape personnel, the gravity can be driven to descend to the lower floor, and the screw is driven to rotate by the engaging member, and drives the deceleration device, thereby slowing down through the deceleration device The screw speed and the descending speed of the platform are lowered; and a homing device is connected to the descending platform through the drawstring. When the escape personnel descends to the low-rise floor and leaves the descending platform, the homing device drives the descending platform to rise back to the high-rise floor. position.

Description

Slow down escape device

This creation relates to a slow-moving escape device, and in particular to a slow-moving escape device that is used as a high-rise escape device.

Because elevators used in general high-rise buildings are prone to stop operation due to power interruptions during fires, and escape ladders are often unable to pass because of fire barriers, many high-rise buildings often have separate descending escape devices for the building. An alternate escape device when the escape ladder is blocked by the fire.

The existing descending escape device usually uses the rope hanging method to suspend the escape personnel from the outside of the building to the ground. However, the existing descending device is easy to shake when used, and lacks protection for personnel, so the escape personnel descends. It is easily injured and cannot be used by users with poor physical strength.

Therefore, there was a fixed descending escape ladder on the market. However, the structure of the existing fixed-type escape escape ladder is usually too complicated, and the mechanism is easy to malfunction, so it cannot be widely used and the reliability is not good.

Due to the above reasons, the shortcomings of the existing slow-moving escape devices are caused. Therefore, how to solve the above problems through the improvement of structural design has become one of the important issues that the business wants to solve.

The main purpose of this creation is to provide a slow-moving escape device with simple structure and good reliability.

The present embodiment provides a descending escape device for the escape personnel to descend from the escape hole of a high-rise floor to a low-rise floor, including: a plurality of guiding members, a plurality of the guiding members extending from a side of the escape hole of the high-rise floor in a vertical direction to the low-rise floor; a descending platform through which the descending platform can pass, and Connecting a plurality of the guiding members to be guided through a plurality of the guiding members to descend from a first position near the escape hole to a second position near the low floor slab; a screw, the screw Extending from a side of the escape hole to the lower floor slab in a direction parallel to the plurality of guiding members, the screw has a central axis, and the outer side of the screw is provided with at least one spiral guide groove. The screw can be rotated in a first rotation direction centered on the central axis and in the same spiral direction as the spiral guide groove, or in a second rotation direction opposite to the spiral direction of the spiral guide groove; An engaging member, the engaging member is disposed on the descending platform and fits on an outer side of the screw, and the inner side of the engaging member is provided with at least one engaging member that engages with the spiral guiding groove, and Make Between the engaging member and the screw, the engaging member and the spiral guide groove can be mutually driven; and a speed reducing device connecting the screw, the speed reducing device facing at least the screw When the second rotation direction is rotated, a resistance can be generated to slow the rotation speed of the screw toward the second rotation direction; and a homing device is disposed on the high-rise floor near the escape hole position The homing device is coupled to the descending platform through a pull cord for displacing the descending platform upward from the second position to the first position; wherein, when the descent platform is located When the first position is described, an escape person located on the high-rise floor can move from the escape hole to the descending platform, and the descending platform is driven to move toward the second position by the weight of the escape person. And the weight of the descending platform and the escape person is applied to the spiral guide groove through the engaging member to generate a horizontal component, and the driving force is driven by the horizontal component force Rotating the rod in the second direction of rotation and applying a resistance to the screw through the deceleration device to slow the rotation speed of the screw driven by the horizontal component force, thereby reducing the escape person and the descending The speed at which the platform descends.

A preferred embodiment of the present invention, wherein the speed reducing device comprises a speed reducer The reducer has a reducer shaft core and is connected to the screw shaft through the reducer shaft center.

A preferred embodiment of the present invention, wherein the speed reducer is selected from one of a gear type reducer, a worm type reducer, a planetary gear reducer, and a friction type reducer.

A preferred embodiment of the present invention further includes a clutch mechanism coupled between the reduction gear and the screw, the clutch mechanism being capable of becoming rotatable when the screw is rotated in the second rotational direction An engaged state that enables the screw to transmit the reduction gear through the clutch mechanism.

A preferred embodiment of the present invention, wherein the homing device comprises a reel, one end of the drawstring is connected to the descending platform, and the drawstring is wound around the other end of the descent platform On the reel, the reel is disposed on a spool axis and is rotatable toward a release direction about the spool axis or in a retracting direction opposite to the release direction. The drawstring wound on the reel can be released when the reel is rotated in the release direction, and the drawstring can be wound when the reel is rotated in the retracting direction And moving the descending platform upward through the drawstring.

A preferred embodiment of the present invention, wherein the homing device further comprises a wrap spring, the wrap spring connecting the reel, the wrap spring capable of rotating when the reel is rotated in the releasing direction The reel is driven by the reel to be in a wound state, and the elastic force of the wrap spring is transmitted to rotate the reel in the winding direction.

The beneficial effect of the present invention is that it has a simple structure and can operate continuously without power, thereby improving its reliability.

In order to further understand the features and technical contents of the present invention, please refer to the following detailed description and drawings of the present invention. However, the drawings are only for reference and description, and are not intended to limit the creation.

1‧‧‧Descending escape device

2‧‧‧High-rise slab

3‧‧‧Low floor slab

4‧‧‧ escape hole

10‧‧‧Guide members

11‧‧‧Fixed components

12‧‧‧Sleeve

20‧‧‧Lower platform

201‧‧‧ first position

202‧‧‧second position

30‧‧‧ screw

31‧‧‧Spiral guide

32‧‧‧ Bearing

33‧‧‧Connecting Department

34‧‧‧Rolling handle

40‧‧‧Meshing members

41‧‧‧Snap components

50‧‧‧Deceleration device

51‧‧‧Reducer

52‧‧‧ drive gear

53‧‧‧ driven gear

54‧‧‧Reducer shaft

60‧‧‧ homing device

61‧‧‧ reel

62‧‧‧Reel shaft

63‧‧‧Drawstring

631‧‧‧Connecting members

64‧‧‧winding spring

65‧‧‧guide wheel

70‧‧‧Clutching agency

71‧‧‧ratchet

72‧‧‧ pawl

80‧‧‧ escape hole frame

90‧‧‧Protective net

91‧‧‧Safety gate

D1‧‧‧First direction of rotation

D2‧‧‧second direction of rotation

R1‧‧‧Retraction direction

R2‧‧‧ release direction

θ‧‧‧Chamfer C center axis

FIG. 1 is a schematic view showing the three-dimensional structure of the artificial descending escape device.

FIG. 2 is a schematic side view showing the structure of the slow descending escape device.

Fig. 3 is a partially enlarged perspective view of the screw and the reduction gear used in the creation of the descending escape device.

Figure 4 is a partially enlarged cross-sectional view showing the screw and the engaging member used in the creation of the descending escape device.

FIG. 5 is a schematic diagram of the use state of the artificial descending escape device in the state in which the escape personnel are lowered to the second position through the descending platform.

FIG. 6 is a schematic diagram of the use state of the artificial descending escape device after the escape personnel leave the descending platform and then return to the first position through the homing device.

FIG. 7 is a schematic view showing the state of use of the artificial descending escape device by the human power driven screw drive descending platform to return to the first position state.

FIG. 8 is a schematic perspective view showing another embodiment of the artificial descending escape device.

Please refer to FIG. 1 to FIG. 8 , which is an embodiment of the present invention. The present invention provides a descending escape device 1 . It should be noted that the related quantities and appearances mentioned in the embodiments are only used to specifically describe the implementation of the present creation, so as to understand the content of the creation, and not to limit the creation of the creation. protected range.

As shown in FIG. 1 and FIG. 2 , the present invention provides a descending escape device 1 , which mainly includes: a plurality of guiding members 10 , a descending platform 20 , a screw 30 , a reducing device 50 , and a homing device 60 . .

The descending escape device 1 of the present invention can be disposed between a high-rise floor 2 and a low-rise floor 3, the high-rise floor 2 is provided with an escape hole 4, and an escape hole frame 80 is disposed at the inner edge of the escape hole 4. The diameter of the opening of the escape hole 4 and the escape hole frame 80 is larger than the width of the body of the escape person, so that the escape person of the high-rise floor 2 can be displaced from the escape hole 4 to the descending escape device 1 of the present creation, and the slowness of the creation is The escape device 1 descends from the escape hole 4 of the high-rise floor 2 to the lower floor slab 3.

The plurality of guiding members 10 are long rod-shaped round rods or linear rails, and the plurality of guiding members 10 are fixed by the fixing members 11 and are vertically oriented. One side of the escape hole 4 of the high-rise floor 2 extends in the vertical direction to the lower floor slab 3. The descending platform 20 is coupled to the guiding member 10 through a plurality of sliding sleeves 12 such that the descending platform 20 can be guided by the guiding member 10 to descend from a first position 201 adjacent to the escape hole 4. To a second position 202 near the lower floor slab 3.

The structure of the descending platform 20 is designed to be capable of carrying the weight of the escape personnel, and the size of the descending platform 20 is matched with the size of the escape hole 4 and the escape hole frame 80, as shown in FIG. When displaced to the state of the first position 201, the escape person of the high-rise floor 2 can move from the escape hole 4 to the descent platform 20.

The screw 30 extends from one side of the escape hole 4 to the lower floor slab 3 in a direction parallel to the plurality of the guiding members 10, the screw 30 having a central axis C, the screw 30 At least one spiral guide groove 31 is provided on the outer side surface, and the upper and lower ends of the screw 30 are respectively positioned through the bearing 32, thereby enabling the screw 30 to rotate about the central axis C.

As shown in FIGS. 2 and 4, the descending platform 20 is coupled to the screw 30 through an engaging member 40. The engaging member 40 is disposed on a side of the descending platform 20 near the screw 30, and the engaging member 40 is fitted over the outside of the screw 30. The inner side wall of the engaging member 40 is provided with at least one engaging member 41, and is engaged by the engaging member 41 and the spiral guide groove 31. The engaging member 41 and the spiral guide groove 31 are coupled to each other in a sliding engagement direction, thereby enabling the screw 30 and the engaging member 40 to be mutually driven through the spiral guide groove 31 and the engaging member 41.

Specifically, the engaging element 41 on the inner side of the engaging member 40 is not limited to the structure disclosed in the embodiment shown in FIG. 4 , and the engaging element 41 can also be an internal thread or a ball, and can also be produced. The same effect.

Referring to FIG. 2 to FIG. 6 simultaneously, when the screw 30 is rotated about its central axis C, it can be rotated in a first rotation direction D1 which is the same as the spiral direction of the spiral guide groove 31, or The spiral direction of the spiral guide groove 31 is opposite A second rotation direction D2 is rotated. As shown in FIG. 4, since the engaging member 40 is in mesh with the engaging groove 41 and the spiral guide groove 31 of the screw 30, and the spiral guide groove 31 and the central axis C of the screw 30 have an angle θ, when the screw 30 rotates At this time, the engaging member 40 can be driven by the spiral guide groove 31 to be displaced in a direction parallel to the central axis C of the screw 30. On the contrary, when the descending platform 20 and the engaging member 40 are displaced in the vertical direction, the engaging member 41 on the inner side of the engaging member 40 can apply a force to the spiral guide groove 31, and since the spiral guide groove 31 has an inclined angle θ Therefore, the force applied by the engaging member 41 to the spiral guide groove 31 generates a horizontal direction component, and the horizontal force component pushes the screw 30 to rotate.

For example, as shown in FIG. 5, when the escape personnel of the high rise floor 2 stand on the descending platform 20, the weight of the escape personnel and the descending platform 20 will drive the descending platform 20 and the engaging member 40 in the vertical direction toward the second. The direction of the position 202 is displaced downward, and at this time, the engaging member 41 of the engaging member 40 can be rotated by the horizontal direction component force driving screw 30 toward the second rotational direction D2. On the contrary, as shown in FIG. 6, when the descending platform 20 is displaced from the second position 202 toward the first position 201, the engaging member 40 can drive the screw 30 to rotate toward the first rotational direction D1.

In particular, in the stroke of lowering or rising the descending platform 20 of the present invention, the self-locking phenomenon of the spiral guide groove 31 and the engaging element 41 is prevented, and the screw 30 and the engaging member 40 cannot be rotated relative to each other. The angle θ of the guide groove 31 and the central axis C of the screw 30 can preferably be arranged in a range between 35 degrees and 55 degrees.

The deceleration device 50 is connected to one end of the upper and lower ends of the screw 30. In the embodiment, the deceleration device 50 is disposed on the low floor slab 3 and is connected to the bottom end of the screw 30. However, in actual use, the deceleration The location in which the device 50 is mounted is not limited to the structure disclosed in this creative drawing. The deceleration device 50 is configured to lower the descending platform, and when the screw 30 rotates toward the second rotation direction D2, a resistance can be generated to slow the rotation speed of the screw 30, thereby achieving the purpose of controlling the descending speed of the descending platform 20. .

In the embodiment, the reduction gear unit 50 includes a reducer 51 having a reducer shaft 54 and the reducer shaft 54 is transmitted through a transmission gear composed of a drive gear 52 and a driven gear 53. The sets are connected so that the reducer shaft 54 can be rotated by the screw 30. The speed reducer 51 can be selected from any one of a gear type speed reducer, a worm type speed reducer, a planetary gear reducer, and a friction type speed reducer. The resistance of the reduction gear unit 50 can be comprehensively considered according to factors such as the load weight of the descending platform 20, the lead angle of the spiral guide groove 31, and the reduction ratio of the drive gear 52 and the driven gear 53. The landing platform 20 can be lowered at a predetermined safe descent rate to maintain the safety of the escaped.

In order to achieve that the reduction gear unit 50 can only rotate when the screw 30 is rotated in the second rotation direction D2 (that is, the stroke of the platform 20 is lowered), the creation can be set between the reduction gear unit 50 and the screw 30. a clutch mechanism 70, the clutch mechanism 70 is in an engaged state only when the screw 30 is rotated in the second rotational direction D2, so that the screw 30 and the reduction gear 50 can be connected through the clutch mechanism 70, and the screw 30 faces the first rotational direction D1. When it is rotated, it becomes a disengaged state, so that the screw 30 is not restricted by the speed reducing device 50 when it is rotated.

As shown in FIG. 3, in the present embodiment, the clutch mechanism 70 includes a ratchet 71 and a pawl 72. The ratchet 71 is disposed at one end of the screw 30 near the reduction gear 50, and the pawl 72 is disposed on the drive gear 52. The oblique direction of the ratchet teeth on the ratchet 71 is arranged to be engageable with the pawl 72 when rotated toward the second rotational direction D2, and the angle with which the pawl 72 is disengaged when the ratchet 71 is rotated toward the first rotational direction D1, On the other hand, the clutch mechanism 70 is brought into an engaged state only when the screw 30 is rotated in the second rotational direction D2.

The descending platform 20 is further connected to the homing device 60. As shown in FIG. 1 and FIG. 2, in the embodiment, the homing device 60 is disposed at a position of the high-rise floor 2 adjacent to the escape hole 4, The bit device 60 includes a reel 61, a wrap spring 64, and a pull cord 63. The reel 61 has a spool axis 62 and is mounted on a fixing frame through the spool axis 62. The lower end of the cord 63 passes through a connecting member 631. Attached to one side of the descending platform 20, and the drawstring 63 is wound on the spool relative to the other end of the descending platform 20. The reel 61 as shown in FIGS. 5 and 6 can be rotated toward the release direction R2 about the reel axis 62 or in a retracting direction R1 opposite to the release direction R2 when the roll When the cartridge 61 is rotated toward the release direction R2, the pull cord 63 wound on the reel 61 can be released, and the descending platform 20 can be allowed to descend, whereas when the reel 61 faces the retracting direction R1 The pull cord 63 can be wound around the reel 61 when it is rotated, and the descending platform 20 can be raised by the pull cord 63.

The wrap spring 64 is coupled to one side of the reel 61, the wrap spring 64 is a structure of a wrap spring, and the wrap spring 64 can be driven by the spool axis 62 of the reel 61 Therefore, an action similar to that of the watch spring is formed, and the elastic force is accumulated when the winding spring 64 is driven by the spool axis 62 to be in a wound state, or the elastic force is released by the winding spring 64 to drive the spool axis 62 and the reel 61 produces a rotation.

As shown in FIG. 5 and FIG. 6, in the embodiment, the homing device 60 is arranged to be driven by the pull cord 63 when the descending platform 20 carries the weight of the escaped person and descends toward the second position 202. The reel 61 is rotated toward the release direction R2, and the wrap spring 64 is brought up by the reel 61 to be in a wound state, so that the wrap spring 64 can accumulate elastic force. And the spring force of the wrap spring 64 is designed to be greater than the gravity and resistance during the upward displacement of the descent platform 20 from the second position 202 to the first position 201, so that when the descent platform 20 is displaced to the second position 202, After the escape personnel leave the descending platform 20, the reeling force of the wrap spring 64 can be used to drive the reel 61 to rotate in the retracting direction, so that the pull cord 63 is retracted on the reel 61, thereby driving the descending platform 20 Reverting to the first position 201 for other escape personnel still on the high rise floor 2 can again escape through the descent platform 20.

In addition, as shown in FIG. 2 and FIG. 7, the present creation occurs in a state in which the descending platform 20 cannot be returned to the first position 201 of the high-rise floor 2 by avoiding the failure of the homing device 60, and the creation is at the top of the screw 30. An engaging portion 33 is provided, and the connecting portion 33 can be connected with a scroll handle 34 for the escape personnel to scroll through the handle 34. The screw 30 is manually rotated, and then the descending platform 20 is driven by the screw 30 to rise back to the first position 201.

As shown in FIG. 8 , in another embodiment of the present invention, in the embodiment, the number of the guiding members 10 is increased to four, and a protective net 90 is disposed around the outer side of the guiding member 10 to prevent When the escape personnel use the descending platform 20 to escape, a dangerous situation arises in which the standing is unstable and dumped outward, and the falling platform 20 is dropped to the lower floor slab 3. In addition, a safety door 91 is respectively disposed at the entrance and the exit of the upper end and the lower end of the descending escape device 1 of the present invention, so as to prevent the person descending to the escape hole 4 when the descending escape device 1 of the present creation is not used. In the middle, or entering the space below the descent platform 20, there is a danger.

In summary, the beneficial effect of the descending escape device 1 of the present invention is that the deceleration device 50 and the homing device 60, and the structure of the guiding structure of the descending platform 20 are relatively simple, thus making the creation slow. The structure of the escape device 1 is simple and is not easy to malfunction when used, and its reliability is improved. Further, since the reduction gear unit 50 and the homing device 60 used in the descending escape device 1 of the present invention are not driven by electric power at all, it is possible to ensure that the descending escape device 1 of the present creation maintains normal operation even when a fire is caused in the building and the power is turned off.

The above description is only a preferred and feasible embodiment of the present invention, and thus does not limit the scope of the patent of the present invention. Therefore, any equivalent technical changes made by using the present specification and the contents of the schema are included in the scope of protection of the present creation. .

Claims (10)

A descending escape device for the escape personnel to descend from the escape hole of a high-rise floor to a low-rise floor, comprising: a plurality of guiding members, the plurality of guiding members from the escape hole of the high-rise floor One side extends in a vertical direction to the low floor slab; a descending platform capable of passing through the escape hole and connecting a plurality of the guiding members, and capable of transmitting a plurality of the guides The guiding member guides from a first position near the escape hole to a second position near the lower floor slab; a screw from the escape hole in a direction parallel to the plurality of guiding members One side extends to the lower floor slab, the screw has a central axis, the outer side of the screw is provided with at least one spiral guide groove, the screw can be centered on the central axis and the spiral guide groove Rotating in a first direction of rotation of the same spiral direction or in a second direction of rotation opposite to the direction of the spiral of the spiral guide groove; an engaging member, the engaging member being disposed on the descending platform And fitting on the outer side of the screw, the inner side of the engaging member is provided with at least one engaging element engaged with the spiral guiding groove, so that the engaging member and the screw can pass between the engaging member The engaging element and the spiral guide groove are mutually driven; a deceleration device, the deceleration device is connected to the screw, and the deceleration device can generate a resistance at least when the screw rotates in the second rotation direction Slowing the rotation speed of the screw rotating in the second rotation direction; a homing device, the homing device is disposed at a position of the high-rise floor near the escape hole, and the homing device is connected by a pull rope a descending platform for driving the descending platform upwardly from the second position to the first position; wherein, when the descent platform is located at the first position, located in the high-rise building An escape person of the board is movable from the escape hole to the descent platform, and the descending platform is displaced toward the second position by the weight of the escape person, and the descent platform and the The weight of the escaped person is applied to the spiral guide groove through the engaging member to generate a horizontal component force, thereby driving the screw to rotate in the second rotational direction through the horizontal component force, and transmitting through the reduction gear A resistance is applied to the screw to slow the rotational speed of the screw driven by the horizontal component, thereby reducing the speed at which the escape personnel and the descending platform descend. The slow-moving escape device according to claim 1, wherein the speed reducing device includes a speed reducer having a shaft of the speed reducer and connected to the screw shaft through the shaft of the speed reducer. The slow-moving escape device according to claim 2, wherein the speed reducer is selected from one of a gear type reducer, a worm type reducer, a planetary gear reducer, and a friction type reducer. The slow-moving escape device of claim 3, further comprising a clutch mechanism coupled between the reduction gear and the screw, the clutch mechanism being capable of facing the screw toward the second When the rotation direction is rotated, it becomes an engaged state, so that the screw can transmit the reduction gear through the clutch mechanism. The slow-moving escape device of any one of claims 1 to 4, wherein the homing device comprises a reel, one end of the drawstring is connected to the descending platform, and the drawstring is opposite to the The other end of the descending platform is wound on the reel, the reel is disposed on a spool axis, and is rotatable toward a release direction about the spool axis, or toward Rotating in a rewinding direction opposite to the release direction, the reel wound on the reel can be released when the reel is rotated toward the release direction, when the reel is oriented toward the reeling direction The rope can be wound on the reel when rotating, and the descending platform is lifted by the pulling rope. The slow-moving escape device of claim 5, wherein the homing device further comprises a wrap spring, the wrap spring connecting the reel, when the reel is rotated toward the release direction, The winding spring can be driven by the spool to be wound, and the elastic force of the winding spring can drive the spool to rotate in the winding direction. The descending escape device of claim 6, wherein the high-rise floor is provided with an escape hole frame inside the escape hole. The slow-moving escape device according to claim 6, wherein an angle between the spiral guide groove and a central axis of the screw is between 35 degrees and 55 degrees. The descending escape device of claim 6, wherein the top end of the screw is provided with an engaging portion, and the engaging portion is connectable with a scrolling handle for the user to rotate the screw through the rolling handle. The descending escape device of claim 6, wherein a plurality of the guiding members are disposed around the outer side of the guiding member, and a safety door is respectively disposed at an inlet and an outlet of the high-rise floor and the low-rise floor .