CN203043355U

CN203043355U - Manual lifter

Info

Publication number: CN203043355U
Application number: CN 201320078116
Authority: CN
Inventors: 林骞; 赵志平; 赵颖寅
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-02-20
Filing date: 2013-02-20
Publication date: 2013-07-10
Anticipated expiration: 2023-02-20

Abstract

The utility model relates to a manual lifter, comprising a main body, a bracket, a safety rope and a safety seat, wherein the main body is matched with the bracket; the safety seat is suspended under the bracket by a connecting rope; the main body comprises a central shaft and a roller rotatably matched with the central shaft; one side of the roller is provided with a control device for realizing lifting, and the other side of the roller is provided with a braking device; one end of the safety rope is wound on the roller, and the other end of the safety rope is connected and matched with a suspending rope; and the suspending rope penetrates through the bracket to be connected and matched with a fixed object. The manual lifter has the advantages that lifting and falling of the lifter are realized by utilizing the characteristics of a ratchet wheel and operating the control device, and the falling speed is controlled by operating the braking device; the structure is simple; and in use, the main body of the lifter and the bracket are suspended on the fixed object together, the safety seat is suspended under the bracket, and a user sits on the safety seat, operates a control handle by one hand and operates a braking handle by the other hand, so that the manual lifter is very convenient.

Description

A kind of hand-operated lifting device

Technical field

The utility model relates to a kind of escape device, relates in particular to a kind ofly can refer in particular to a kind of hand-operated lifting device from the lifter of eminence escape.

Background technology

Along with development of science and technology, the progress in epoch, people's living standard improves constantly, and nowadays high buildings and large mansions are seen everywhere; People live, are operated in the skyscraper, in case when running into dangerous situation such as fire, how can be safely, escape fast is a major issue; When dangerous situation takes place, except waiting for rescue personnel's relief, people leave the danger zone as soon as possible by all ways and just seem very important, when fire takes place, elevator can't normally use, people can only escape by escape way, if but escape way has been surrounded by the intensity of a fire or smog can't by the time, just can only escape from window except waiting for rescue.Because it is forced, trapped personnel selects to jump off from window that the report of escape also very more to be seen, though under the lower situation of floor, jump off from window, perhaps can escape smoothly, but under the situation without any safeguard measure, jump off from window, though a lot of people have kept life and have but fallen deformity at health, and its body and mind has been caused great injury; In addition, the somebody couples together quilt, clothes etc. and hangs down from window, thus escape, but there are a lot of drawbacks in this method, and as in the escape process, the junction is not fastened and slippage causes the escape personnel to throw, in the decline process, the escape personnel is short of physical strength and can't promptly waits.

Summary of the invention

Technical problem to be solved in the utility model is: provide simple in structure, safe, can manually control a kind of hand-operated lifting device that rises and descend and can control decrease speed.

The utility model solves the problems of the technologies described above the technical scheme that adopts:

A kind of hand-operated lifting device, include main body, support, safety rope and safety seat, described main body matches with support, described safety seat hangs on the support below by connection cord, wherein, described main body includes central shaft and rotates the cylinder that matches with central shaft, one side of described cylinder is provided with for realizing lifting control device, the opposite side of described cylinder is provided with brake apparatus, one end of described safety rope is wound on the cylinder, the other end of described safety rope is connected cooperation with suspension strop, described suspension strop passes support and is connected cooperation with fixture.

The technical measures of optimizing also comprise:

Above-mentioned control device includes ratchet and joystick, joystick is connected cooperation by connecting plate with cylinder, joystick cooperates by rotating shaft and connecting plate are movable, the front end of joystick is provided with the limited block suitable with the double wedge of ratchet, joystick is provided with brake lever, and brake lever is connected cooperation by brake cable with brake apparatus.

Above-mentioned ratchet is outside equipped with protective cover, offers the opening suitable with joystick on the protective cover, and the front end of joystick stretches into and matches with the double wedge of ratchet from opening part.

The both sides of above-mentioned limited block are provided be used to preventing the block of limited block from the double wedge slippage.

Above-mentioned joystick is provided with the spring for the retentive control handle position.

Above-mentioned brake apparatus includes shell, spider, brake rubber block, brake handle and brace, brace is the L type, brace one end and brake handle secure fit, one end secure fit of its other end and brake rubber block, and the fixed leg secure fit of the other end of brake rubber block and shell inboard, brake rubber block is the circular periphery that is surrounded on spider, spider and cylinder secure fit.

The center of above-mentioned spider offers the circular hole suitable with cylinder, and the both sides of circular hole are positioned at and are symmetrically arranged with 2 through wires hole on the same circumference.

The inboard of above-mentioned spider is provided with for the fixing clip of safety rope.

Above-mentioned support triangularity, support are 2, and a drift angle of support is arranged at the both sides of the central shaft of main body, are provided with connecting rod between other two drift angles of support.

Above-mentioned safety rope includes a main rope and at least two pair ropes that difference in length is arranged.

A kind of hand-operated lifting device of the present utility model, include main body, support, safety rope and safety seat, described main body matches with support, described safety seat hangs on the support below by connection cord, wherein, described main body includes central shaft and rotates the cylinder that matches with central shaft, one side of described cylinder is provided with for realizing lifting control device, the opposite side of described cylinder is provided with brake apparatus, one end of described safety rope is wound on the cylinder, the other end of described safety rope is connected cooperation with suspension strop, described suspension strop passes support and is connected cooperation with fixture.Hand-operated lifting device of the present utility model utilizes the characteristics of ratchet, realize rising and the decline of lifter by operating control device, in addition, this lifter is provided with brake apparatus, in the process that descends, the user can control the speed of decline by operation brake lever or brake handle, has avoided because decrease speed is too fast the user being caused unnecessary damages.This riser structure is simple, during use, the lifter main body is hung on the fixture together with support, and safety seat is hung on the support below, and the user is seated on the safety seat, the proficiency operating control handle, and a hand operated brake handle, very convenient.The outer protective cover that arranges of ratchet; the ratchet that can effectively avoid the user to be rotated is hindered; and the both sides of limited block are provided be used to preventing the block of limited block from the double wedge slippage; can prevent limited block slippage from the double wedge of ratchet of joystick front end; in addition the joystick upper spring arrange can the retentive control handle position stable, guaranteed stability and the security of this lifter.

Description of drawings

Fig. 1 is structural representation of the present utility model;

Fig. 2 is I portion enlarged drawing among Fig. 1;

Fig. 3 is the structural representation of main body among Fig. 1;

Fig. 4 is along the cross-sectional schematic of A-A line among Fig. 3;

Fig. 5 is the structural representation of brake apparatus among Fig. 3;

Fig. 6 is the structural representation of spider among Fig. 5;

Fig. 7 is the structural representation of safety rope among Fig. 1.

The specific embodiment

Describe in further detail below in conjunction with the utility model of accompanying drawing embodiment.

As Fig. 1 to Figure 7 shows that structural representation of the present utility model,

Reference numeral wherein is: support 1; connecting rod 11; safety rope 2; main rope 21; secondary rope 22; suspension strop 23; safety seat 3; connection cord 4; central shaft 5; cylinder 6; control device 7; ratchet 71; double wedge 71a; joystick 72; limited block 72a; block 72b; connecting plate 73; rotating shaft 74; protective cover 75; opening 75a; spring 76; brake lever 77; brake cable 78; brake apparatus 8; shell 81; spider 82; circular hole 82a; through wires hole 82b; clip 82c; brake rubber block 83; brake handle 84; brace 85; fixed leg 86; fixture 9.

It is extremely shown in Figure 7 as Fig. 1,

A kind of hand-operated lifting device of the present utility model, include main body, support 1, safety rope 2 and safety seat 3, described main body matches with support 1, described safety seat 3 hangs on support 1 below by connection cord 4, wherein, described main body includes central shaft 5 and rotates the cylinder 6 that matches with central shaft 5, one side of described cylinder 6 is provided with for realizing lifting control device 7, the opposite side of described cylinder 6 is provided with brake apparatus 8, one end of described safety rope 2 is wound on the cylinder 6, the other end of described safety rope 2 is connected cooperation with suspension strop 23, and described suspension strop 23 passes support 2 and is connected cooperation with fixture 9.

Among the embodiment, control device 7 includes ratchet 71 and joystick 72, joystick 72 is connected cooperation by connecting plate 73 with cylinder 6, joystick 72 is by rotating

shaft

74 and 73 movable cooperations of connecting plate, the front end of joystick 72 is provided with the limited block 72a suitable with the double wedge 71a of ratchet 71, joystick 72 is provided with brake lever 77, and brake lever 77 is connected cooperation by brake cable 78 with brake apparatus 8.

Among the embodiment, ratchet 71 is outside equipped with protective cover 75, offers the opening 75a suitable with joystick 72 on the protective cover 75, and the front end of joystick 72 stretches into and matches with the double wedge 71a of ratchet 71 from opening 75a.

Among the embodiment, the both sides of limited block 72a are provided be used to preventing the block 72b of limited block 72a from double wedge 71a slippage.

Among the embodiment, joystick 72 is provided with the spring 76 for retentive control handle 72 positions.

Among the embodiment, brake apparatus 8 includes shell 81, spider 82, brake rubber block 83, brake handle 84 and brace 85, brace 85 is the L type, brace 85 1 ends and brake handle 84 secure fit, one end secure fit of its other end and brake rubber block 83, and fixed leg 86 secure fit of the other end of brake rubber block 83 and shell 81 inboards, brake rubber block 83 is the circular periphery that is surrounded on spider 82, spider 82 and cylinder 6 secure fit.

Among the embodiment, the center of spider 82 offers the circular hole 82a suitable with cylinder 6, and the both sides of circular hole 82a are positioned at and are symmetrically arranged with 2 through wires hole 82b on the same circumference.

Among the embodiment, the inboard of spider 82 is provided with for the fixing clip 82c of safety rope 2.

Among the embodiment, support 1 triangularity, support 1 is 2, a drift angle of support 1 is arranged at the both sides of the central shaft 5 of main body, is provided with connecting rod 11 between other two drift angles of support 1.

Among the embodiment, safety rope 2 includes a main rope 21 and at least two pair ropes 22 that difference in length is arranged.

Fixture 9 is a hook, hook and ceiling or wall top are fixed, support 1 is an obtuse triangle, support 1 is 2, main body is arranged on the drift angle of support 1, and 2 supports 1 are arranged at the both sides of the central shaft 5 of main body 1 symmetrically, and an end of safety rope 2 is wound on the cylinder 6, the other end of safety rope 2 is connected cooperation with suspension strop 23, and safety rope 2 and suspension strop 23 connect together by becket bridle; Suspension strop 23 is along the long limit of support 1, walks around the connecting rod 11 of another drift angle that is arranged at leg-of-mutton support 1 and is connected cooperation with hook; Safety seat 3 hangs on by connection cord 4 on the connecting rod 11 of the 3rd drift angle of support 1, and easy to operate for the user, the suspension height of safety seat 3 is concordant with the height of main body.Main body includes central shaft 5 and rotates the cylinder 6 that matches with central shaft 5, one side of cylinder 6 is provided with for realizing lifting control device 7, the opposite side of cylinder 6 is provided with brake apparatus 8, control device 7 includes ratchet 71 and joystick 72, joystick 72 is connected cooperation by connecting plate 73 with support 1, joystick 72 is by rotating

shaft

74 and 73 movable cooperations of connecting plate, joystick 72 is provided with spring 76, spring 76 arrange can retentive control handle 72 positions relatively stable, make joystick 72 remain on propradation or decline state; The front end of joystick 72 is provided with the limited block 72a suitable with the double wedge 71a of ratchet 71, the limited block 72a of joystick 72 front ends cooperates with ratchet 71 makes the ratchet 71 can only one-directional rotation, thereby ratchet 71 is rotated lifter is risen when limited block 72a blocks ratchet 71 and moves 71 actings of 72 pairs of ratchets of joystick; When limited block 72a breaks away from from ratchet 71, thereby because gravity effect ratchet 71 backward rotation descend lifter, very convenient; Joystick 72 is provided with brake lever 77, and brake lever 77 is connected cooperation by brake cable 78 with brake apparatus 8, in the process that descends, can operate brake lever 77 and make decrease speed be unlikely to too fast; For the ratchet 71 of protecting the user not to be rotated is hindered, ratchet 71 is outside equipped with protective cover 75, offer the opening 75a suitable with joystick 72 on the protective cover 75, the front end of joystick 72 stretches into and matches with ratchet 71 from opening 75a, and in order to prevent limited block 72a slippage among the 71a from the double wedge of ratchet 71, the both sides of limited block 72a are provided with block 72b; Brake apparatus 8 includes shell 81, spider 82, brake rubber block 83, brake handle 84 and brace 85, brace 85 is the L type, brace 85 1 ends and brake handle 84 secure fit, one end secure fit of its other end and brake rubber block 83, and fixed leg 86 secure fit of the other end of brake rubber block 83 and shell 81 inboards, brake rubber block 83 is the circular periphery that is surrounded on spider 82, spider 82 and cylinder 6 secure fit; Brake apparatus 8 both can also can not only make security easy to operate, that more can improve equipment flexibly with brake handle 84 controls with 77 controls of brake lever on the joystick 72; The center of spider 82 offers the circular hole 82a suitable with cylinder 6, the both sides of circular hole 82a are positioned at and are symmetrically arranged with 2 through wires hole 82b on the same circumference, the inboard of spider 82 is provided with for the fixing clip 82c of safety rope 2, when the user operates brake lever 77 or brake handle 84,, brake lever 77 or brake handle 84 drive braces 85 drive brake rubber blocks 83 produce frictional force thereby tightening up in spider 82, make the rotating speed of spider 82 slack-off or locked, slow down or static purpose thereby play.

Safety rope 2 includes a main rope 21 and the many pair ropes 22 that difference in length is arranged; Make at fixing safety rope 2, to lead any one through wires hole 82b that rope 21 passes spider 82 earlier, clip 82c with the inboard of spider 82 fixes then, then rotary drum 6 will be led rope 21 and be around in the cylinder 6, when being wound to touch the longest secondary rope 22 time, this secondary rope 22 is passed any one through wires hole 82b of spider 82, also fix with clip 82c, be rotated further cylinder 6 and twine safety rope 2 up to one that touches the vice-minister secondary the rope at 22 o'clock, repeat above-mentioned steps, up to all pair ropes 22 are all fixed, are wound on the cylinder 6.If in the process of the use of lifter; operate miss takes place or install malfunctioning situation; in the process that lifter hurtles down; secondary rope 22 can be broken from short to long successively; thereby the energy subsection that falls is discharged; thereby play the purpose that subtracts the power buffering, reach the effect of soft landing, protect user's safety most possibly.

During use, the user is after safety seat 3 is occupied stably, the joystick 72 of operating control device 7, make ratchet 71 actings of limited block 72a, rotating ratchet 71 rises lifter in the time of take-off the brake device 8, when lifter rises to when being higher than windowsill, utilize inertia that lifter is swung outside the exit window, perhaps the strength by hand, pin shifts out lifter outside window; Lifter is shifted out back change outside window can adjust joystick 72 positions, limited block 72a is broken away from, ratchet 71 is after the restriction that does not have limited block 72a, backward rotation, the safety rope 2 that is wrapped on the cylinder 6 is constantly emitted, lifter just can steadily descend, in the process that descends, can decrease speed be slowed down with brake lever 77 or brake handle 84 operate brake 8, when fast arrival bottom surface, by brake apparatus 8 brakings lifter is stopped, so just when dangerous situation takes place, just can pass through this lifter safety, escape from window fast.During operation, operating control handle 72, one hand operated brake handles 84 on the other hand, because joystick 72 is provided with brake lever 77, therefore operating control handle 72 with the hands in case of necessity, this device is simple, convenient, smooth decreasing, safety.

Claims

1. hand-operated lifting device, include main body, support (1), safety rope (2) and safety seat (3), described main body matches with support (1), described safety seat (3) hangs on support (1) below by connection cord (4), it is characterized in that: described main body includes central shaft (5) and rotates the cylinder (6) that matches with central shaft (5), one side of described cylinder (6) is provided with for realizing lifting control device (7), the opposite side of described cylinder (6) is provided with brake apparatus (8), one end of described safety rope (2) is wound on the cylinder (6), the other end of described safety rope (2) is connected cooperation with suspension strop (23), and described suspension strop (23) passes support (2) and is connected cooperation with fixture (9).

2. a kind of hand-operated lifting device according to claim 1, it is characterized in that: described control device (7) includes ratchet (71) and joystick (72), described joystick (72) is connected cooperation by connecting plate (73) with cylinder (6), described joystick (72) cooperates by rotating shaft (74) and connecting plate (73) are movable, the front end of described joystick (72) is provided with the limited block (72a) suitable with the double wedge (71a) of ratchet (71), described joystick (72) is provided with brake lever (77), and described brake lever (77) is connected cooperation by brake cable (78) with brake apparatus (8).

3. a kind of hand-operated lifting device according to claim 2; it is characterized in that: described ratchet (71) is outside equipped with protective cover (75); offer the opening (75a) suitable with joystick (72) on the described protective cover (75), the front end of described joystick (72) stretches into and matches with the double wedge (71a) of ratchet (71) from opening (75a).

4. a kind of hand-operated lifting device according to claim 3, it is characterized in that: the both sides of described limited block (72a) are provided be used to preventing the block (72b) of limited block (72a) from double wedge (71a) slippage.

5. a kind of hand-operated lifting device according to claim 4, it is characterized in that: described joystick (72) is provided with the spring (76) for retentive control handle (72) position.

6. a kind of hand-operated lifting device according to claim 1, it is characterized in that: described brake apparatus (8) includes shell (81), spider (82), brake rubber block (83), brake handle (84) and brace (85), described brace (85) is the L type, described brace (85) one ends and brake handle (84) secure fit, one end secure fit of its other end and brake rubber block (83), and inboard fixed leg (86) secure fit of the other end of described brake rubber block (83) and shell (81), described brake rubber block (83) is the circular periphery that is surrounded on spider (82), described spider (82) and cylinder (6) secure fit.

7. a kind of hand-operated lifting device according to claim 6, it is characterized in that: the center of described spider (82) offers the circular hole (82a) suitable with cylinder (6), and the both sides of described circular hole (82a) are positioned at and are symmetrically arranged with 2 through wires holes (82b) on the same circumference.

8. a kind of hand-operated lifting device according to claim 7 is characterized in that: the inboard of described spider (82) is provided with for the fixing clip (82c) of safety rope (2).

9. according to the described a kind of hand-operated lifting device of the arbitrary claim of claim 1 to 7, it is characterized in that: described support (1) triangularity, described support (1) is 2, a drift angle of described support (1) is arranged at the both sides of the central shaft (5) of main body, is provided with connecting rod (11) between other two drift angles of described support (1).

10. a kind of hand-operated lifting device according to claim 9 is characterized in that: described safety rope (2) includes a main rope (21) and at least two pair ropes (22) that difference in length is arranged.