TWM571747U - Fall arrester and its lifesaving seat - Google Patents

Abstract

A fall arrester and a lifesaving strap for connecting with a lifebelt, comprising: a frame body having an accommodating space; a shaft rod disposed on the frame body; and a life belt seat Locating on the shaft and located in the accommodating space, the life belt base includes a first portion and a second portion, the first portion has a set of rings; the second portion has a connection a sleeve and a reinforcing portion, the sleeve is surrounded by the collar, and the sleeve is used to connect the lifebelt, and the reinforcing portion is embedded in the collar. By the design of the reinforcing portion, it can help to enhance the structural strength of the life belt holder and avoid the separation of the first portion from the second portion.

Description

Fall arrester and its lifesaving seat

This creation is related to the fall arrester; in particular, it is a structural strength and durability of the fall arrester and its lifeguard seat.

Generally, in high-altitude work sites such as roofs, factories, elevator repairs, shipbuilding, aerospace bases, and construction sites, most people are urged to equip their work with safety parts such as fall arresters (fall arresters). A lifebelt is connected and used, and one end of the lifebelt is attached to the worker's body, so that when the worker accidentally falls from a high altitude, the fall arrester can urgently lock or cushion the lifebelt. Actions to prevent personnel from continuing to fall or to buffer the speed of the person's fall, thus ensuring the personal safety of the staff.

Chinese Patent Publication No. I574715 discloses a "fall arrester (2)" in which the lifebelt 200 is wound on the drum 40, and when the lifebelt 200 is pulled out, for example, the user does not fall, so that lifesaving When the belt 200 is pulled out by the sleeve 44 of the rapid rotation drum 40, the tension of the life belt 200 will cause the structure of the collar 46 and the sleeve 44 of the drum 40 to be damaged by force, for example, the collar 46 may It will not be able to withstand such a huge instantaneous pulling force, or the sleeve 44 will be separated from the collar 46, and the lifebelt 200 cannot be braked, so that the fall arrester loses the anti-drop function.

In view of this, the purpose of the present invention is to provide a fall arrester and a lifebelt seat thereof, which are used for wrapping a lifebelt of a lifebelt, and have a special structural design, which can help to improve the structural strength thereof.

In order to achieve the above object, the present invention provides a fall arrester comprising: a frame body having an accommodation space; a shaft rod disposed on the frame body; and a life belt holder sleeved on the shaft rod, And in the accommodating space, the lifebelt base includes a first portion and a second portion, the first portion has a set of rings; the second portion has a sleeve and a reinforcing portion connected thereto. The sleeve is surrounded by the collar, and the sleeve is used to connect the lifebelt, and the reinforcing portion is embedded in the collar.

In order to achieve the above object, the present invention provides a life belt holder for being disposed in a fall arrester, the life belt holder comprising: a first portion having a ring for a lifebelt roll And a second portion having a sleeve and a reinforcing portion, the sleeve being surrounded by the collar, the sleeve being used to connect the lifebelt; the reinforcing portion being embedded in the collar .

The effect of the present invention is that the inside of the sleeve of the life belt holder is embedded with a reinforcing portion, so that the first portion and the second portion can be firmly combined without being easily separated.

In order to explain the present invention more clearly, an embodiment will be described in detail with reference to the drawings. Referring to FIG. 1 to FIG. 7 , a fall arrester 100 according to an embodiment of the present invention is used to connect a lifebelt 200, which includes a frame body 10, a shaft 20 and a life belt holder 30. In addition, in the present embodiment, the fall arrester 100 further includes a speed reducing member 40, a brake disc 50, a brake assembly 60, a scroll spring 70, a side cover 80, and a housing 90.

The frame body 10 includes a bracket 12 and a lifting ring 14 coupled to the top of the bracket 12. The bracket 12 is formed with an accommodating space. The bracket 12 has two facing side plates 121 and 122. The two side plates 121, 122 are respectively provided with a through hole 123, 124 at opposite positions. In addition, a stopper portion 125 is formed on the side plate 121. Preferably, in the embodiment, two stopper portions 125 are provided. The lifting ring 14 is used for hanging or fixing on a stable support, and can be used as a point, such as, but not limited to, hanging on a support such as a cable or a beam.

The shaft 20 is disposed on the frame body 10. In this embodiment, the two ends of the shaft 20 pass through the through holes 123, 124 of the two side plates 121, 122, respectively.

The life belt holder 30 is sleeved on the shaft 20 and located in the accommodating space. The life belt holder 30 includes a first portion 32 and a second portion 34. Please also cooperate with FIG. 4 and FIG. As shown, the first portion 32 has a ring 322; the second portion 34 has a sleeve 342 and a reinforcing portion, the sleeve 342 is surrounded by the collar 322, and the sleeve 342 is used for The lifebelt 200 is connected, and the reinforcing portion is embedded in the collar 322. In the embodiment, the reinforcing portion includes a plurality of reinforcing columns 344, and the reinforcing columns 344 are buried in the collar 322 at intervals. In addition, the first portion 32 further has a first seat 324, and the first seat 324 has a collar 322 connected to one side thereof; the second portion 34 further has a second seat 346. The sleeve 342 is connected to the reinforcing plate 344 of the reinforcing portion, and the second seat plate 346 is embedded in the first seat plate 324. As shown in FIG. 7 , in the embodiment, the collar 322 further has a notch 323 , and one end of the lifebelt 200 is connected or clamped between the collar 322 and the sleeve 342 , and the lifebelt The remainder of 200 extends from the gap 323 and is wound around the outer annulus of the collar 322.

In one embodiment, the first portion 32 is made of a plastic material, and the second portion 34 is made of a metal material. For example, in the embodiment, the second portion 34 The second portion 32 is made of steel, and the first portion 32 is an engineering plastic, and the manufacturing method thereof may be, but not limited to, a secondary coating, a buried incident molding, a metal buried incident molding, and the like, for example, the second portion 34 The first seat plate 324 and the collar 322 of the first portion 32 are formed in an injection molding manner, and the first seat plate 324 and the collar 322 respectively cover the reinforcing portion of the second portion 34. With the second seat 346. Thereby, the reinforcing portion (such as the reinforcing columns 344) and the second seat plate 346 can serve as a support and strengthen the skeleton of the first portion 32, so that the first portion 32 and the second portion 34 can be firmly combined. It is not easy to disintegrate.

The speed reducer 40 has a through hole 42. The speed reducer 40 is sleeved on the shaft 20 by a through hole 42 and is located in the sleeve 342. The outer peripheral surface of the speed reducer 40 has a friction surface 41 and an inner circumference of the sleeve 342. The face 340 is in contact, for example, the friction face 41 and the inner peripheral face 340 are in a tight fit. In addition, the speed reducer 40 is further provided with a plurality of positioning holes 44.

The brake disc 50 has a central hole 52 for connecting with one end of the shaft 20. In the embodiment, the central hole 52 is a square hole, and one end of the shaft 20 has a positioning portion 22 for positioning. The portion 22 is engaged with the central hole 52. In addition, the brake disk 50 is further provided with a plurality of positioning holes 54. In an embodiment, a plurality of positioning members (such as bolts) can pass through the positioning holes 54. The lock is fixed in the positioning holes 44 of the speed reducing member 40, so that the brake disk 50 and the speed reducing member 40 move together.

The brake assembly 60 includes a brake block 62 and a return spring 64 pivotally mounted on the brake disc 50. The return spring 64 is connected at one end to one end of the brake block 62 and at the other end to the brake disc 50. The return spring 64 provides a spring force to cause the brake block 62 to have a tendency to retract at any time, such as the traction brake block 62 being retracted without contact with the frame 10. In the present embodiment, two sets of brake assemblies 60 are disposed on the brake disc 50.

The scroll spring 70 is disposed in the side cover 80, and one end 72 of the scroll spring 70 is coupled to the shaft 20. For example, in the embodiment, one end 72 of the scroll spring 70 is coupled to the shaft 20. The other end 74 of the scroll spring 70 is coupled to the side cover 80. The scroll spring 70 and the side cover 80 are coupled to a side of the side plate 122 facing away from the side plate 123.

The housing 90 is configured to receive the frame body 10, the shaft 20, the life belt holder 30, the speed reducing member 40, the brake disk 50, the brake assembly 60, and the like. In this embodiment, the housing 90 includes a combo-combinable combination. A first half shell 92 and a second half shell 94.

Thereby, through the above structural design, in the use situation where the staff is stable and there is no sharp fall, for example, when the person normally walks on a working platform or a pallet, it is defined as being in a first operation. In the state, the brake assembly 60 is maintained in the position of the retracted positioning, and is not in contact with the stopping portion 125 on the frame body 10. At this time, the brake disc 50 and the speed reducing member 40 are coupled to the life belt holder 30. Coaxial rotation (or synchronous rotation), and when the lifebelt 200 is stretched, for example, when a worker with the lifebelt 200 is away from the fall arrester 100 and the lifebelt 200 is stretched, the scroll spring 70 will As the lifebelt 200 is stretched and stretched, a resilience (or elastic force) of a roll of reel can be accumulated; in addition, when the worker approaches the fall arrester 100, the force of stretching the lifebelt 200 will The weakening is smaller than the elastic force of the scroll spring 70. At this time, the scroll spring 70 is elastically restored to be stored in a roll, and the lifebelt 200 is driven to rewind and retract the life belt holder 30.

In another use case, when the lifebelt 200 is suddenly stretched instantaneously, for example, when a person with the lifebelt 200 inadvertently falls from a high altitude, the lifebelt 200 will be sharply stretched, which is defined as In a second operating state, as shown in FIG. 6, the brake block 62 will be subjected to a moment or subjected to a centrifugal force to overcome the elastic force of the return spring 64 and be thrown outward, so that the brake block 62 and the stopping portion are caused. The 125 phase is engaged, and at this time, the brake disc 50 is fixed by the engagement of the brake assembly 60 and the stopper portion 125, and the speed reducing member 40 fixed to the brake disc 50 is also fixed without rotating. In addition, as shown in FIG. 7 , after that, the life belt holder 30 will continue to rotate due to the tensile force of the life belt 200 , and the inner circumferential surface 340 of the second portion 34 and the fixed speed reduction member 40 . The friction surface 41 is matched to each other. When the life belt holder 30 rotates relative to the speed reducer 40, the friction surface 41 of the speed reducing member 40 will generate rotational friction with the inner circumferential surface 340 of the second portion 34, thereby slowing down. Or limiting the speed of the life belt holder 30, thereby achieving the purpose of buffering the speed at which the life belt is stretched and lowered, and the falling speed of the person to be tied.

Wherein, by the design of the first portion 32 and the second portion 34 of the seat belt 30 of the present invention, the reinforcing portion of the second portion 34 is embedded in the collar 322 of the first portion 32, so that the second portion 34 can be stably In combination with the first portion 32, the first portion 32 can be securely coupled to the second portion 34 without disintegration or separation even when the lifebelt 200 is subjected to a large pulling force.

The above description is only one of the possible embodiments of the present invention, and equivalent changes to the scope of the present application and the scope of the patent application are included in the scope of the patent of the present invention.

[This creation]

100‧‧‧ fall arrester

10‧‧‧ ‧ body

12‧‧‧ bracket

121,122‧‧‧ side panels

123,124‧‧‧Perforation

125‧‧‧stops

14‧‧‧ rings

20‧‧‧ shaft

22‧‧‧ Positioning Department

24‧‧‧ slotting

30‧‧‧Lifeguard seat

32‧‧‧Part 1

322‧‧‧ collar

324‧‧‧ first seat

34‧‧‧Part II

340‧‧‧ inner circumference

342‧‧‧ sleeve

344‧‧‧ reinforcing column

346‧‧‧Second tray

40‧‧‧Deceleration parts

41‧‧‧ Friction surface

42‧‧‧Perforation

44‧‧‧Positioning holes

50‧‧‧ brake disc

52‧‧‧ center hole

54‧‧‧Positioning holes

60‧‧‧Brake components

62‧‧‧ brake pads

64‧‧‧Return spring

70‧‧‧ Scroll spring

72, 74‧‧‧

80‧‧‧ side cover

90‧‧‧Shell

92‧‧‧ first half shell

94‧‧‧ second half shell

200‧‧‧Lifebelt

1 is a perspective view of a fall arrester according to an embodiment of the present invention. 2 and 3 are exploded views of the fall arrester of the above embodiment. 4 is a perspective view of the lifeguard holder of the fall arrester of the above embodiment, showing that the reinforcing portion is embedded in the collar. Figure 5 is a perspective view of the second portion of the fall arrester of the above embodiment. Figure 6 is a schematic view showing the brake block being pulled out and engaged with the stopper. Figure 7 is a side elevational view showing the relationship between the speed reducing member, the life belt holder and the lifebelt.

Claims (10)

A fall arrester for connecting to a lifebelt, comprising: a frame body having an accommodating space; a shaft rod disposed on the frame body; a life belt holder sleeved on the shaft rod, and Located in the accommodating space, the lifebelt base includes a first portion and a second portion, the first portion has a ring; the second portion has a sleeve connected and a reinforcing portion, The sleeve is surrounded by the collar, and the sleeve is used to connect the lifebelt, and the reinforcing portion is embedded in the collar. The fall arrester of claim 1, wherein the reinforcing portion comprises a plurality of reinforcing columns, and the reinforcing columns are buried in the collar at intervals. The fall arrester of claim 1, wherein the first portion has a first seat plate, the first seat plate is connected to the collar at one side thereof; and the second portion has a second seat plate. The sleeve and the reinforcing portion are connected to one side of the second seat plate, and the second seat plate is embedded in the first seat plate. The fall arrester of claim 3, wherein the reinforcing portion comprises a plurality of reinforcing columns, the reinforcing columns being embedded in the collar at intervals. The fall arrester of claim 1, wherein the first portion is made of a plastic material; the second portion is made of a metal material. A life belt holder for being disposed in a fall arrester, the life belt holder comprising: a first portion having a ring for winding a lifebelt; and a second portion having a sleeve and a reinforcing portion, the sleeve is surrounded by the collar, and the sleeve is used to connect the lifebelt; the reinforcing portion is embedded in the collar. The life belt holder according to claim 6, wherein the reinforcing portion comprises a plurality of reinforcing columns, and the reinforcing columns are buried in the collar at intervals. The life belt holder according to claim 6, wherein the first portion has a first seat plate, the first seat plate has a collar connected to one side thereof; and the second portion has a second seat plate. The sleeve and the reinforcing portion are connected to one side of the second seat plate, and the second seat plate is embedded in the first seat plate. The life belt holder according to claim 8, wherein the reinforcing portion comprises a plurality of reinforcing columns, and the reinforcing columns are buried in the collar at intervals. The lifebelt of claim 6, wherein the first portion is made of a plastic material; the second portion is made of a metal material.