CN108706085B

CN108706085B - Straight pull type self-locking handle

Info

Publication number: CN108706085B
Application number: CN201810372430.4A
Authority: CN
Inventors: 王珂; 顾梓桢; 李永正; 胡刚; 顾海英; 卞超
Original assignee: Jiangsu University of Science and Technology
Current assignee: Jiangsu University of Science and Technology
Priority date: 2018-04-24
Filing date: 2018-04-24
Publication date: 2020-02-21
Anticipated expiration: 2038-04-24
Also published as: CN108706085A

Abstract

The invention discloses a straight pull type self-locking handle which comprises a base, a handle switch, and a limiting structure, a locking structure and a transmission structure which are sequentially arranged from outside to inside, wherein the limiting structure, the locking structure and the transmission structure are fixedly connected with the base, the locking structure and the transmission structure are respectively connected with a first locking machine and a second locking machine through a first locking machine and a second locking machine which are used for controlling the transmission structure to move up and down, and the handle switch is connected with the limiting structure through a clamping lock. The self-locking handle is simple in structure and convenient to operate, can be reused after being used and is beneficial to popularization and application in the field of water rescue, and has good market value.

Description

Straight pull type self-locking handle

Technical Field

The invention relates to the field of water rescue devices, in particular to a straight pull type self-locking handle.

Background

In real life, people are trapped in water or fall into water carelessly, particularly in scenic spots, resort places, seasides and other vacation zones with aquatic entertainment facilities, the phenomenon that passengers drown carelessly often occurs, the places are usually provided with professional overwater rescue devices to rescue the passengers in time, but drowning people, particularly drowning people who cannot swim, often consume a large amount of energy in the process of drowning, therefore, after the safety defenders rescue the drowning people to the overwater lifesaving devices, the situation that the passengers fall into water again after not grasping handles due to accidents such as falling force or hand slip can occur, and the situation can cause secondary damage to the drowning people. The existing lifesaving device is often lack of a self-locking function.

Disclosure of Invention

The purpose of the invention is as follows: the invention aims to provide a straight pull type self-locking handle with a self-locking function, which can lock the hand of a rescued drowning person and prevent secondary injury.

The technical scheme is as follows: the invention relates to a straight pull type self-locking handle which comprises a base, a handle switch, a limiting structure, a locking structure and a transmission structure, wherein the limiting structure, the locking structure and the transmission structure are sequentially arranged from outside to inside, the limiting structure, the locking structure and the transmission structure are fixedly connected with the base, the locking structure and the transmission structure are respectively connected with a first locking machine and a second locking machine through a first locking machine and a second locking machine, which are used for controlling the transmission structure to move up and down, and the handle switch is connected with the limiting structure through a clamping lock. The transmission structure comprises a first sliding block, a second sliding block, a push rod, a first spring, a second spring, a first frame and a second frame, wherein the push rod is connected with the first spring through the first sliding block, the push rod is connected with the second spring through the second sliding block, and the bottom ends of the first frame and the second frame are provided with limiting convex blocks. The push rod is in an ⊔ shape, and sliding grooves for sliding the first sliding block and the second sliding block are arranged on the inner sides of the first frame and the second frame. The locking structure comprises a push rod handle, a third sliding block, a fourth sliding block, a third frame and a fourth frame, and the bottom ends of the third frame and the fourth frame are provided with limiting convex blocks. The push rod handle is in an ⊔ shape, and sliding grooves for sliding the third sliding block and the fourth sliding block are arranged on the inner sides of the third frame and the fourth frame. The limiting structure comprises a handle, a fifth sliding block, a sixth sliding block, a third spring, a fourth spring, a fifth frame and a sixth frame, the handle is connected with the third spring through the fifth sliding block and is connected with the fourth spring through the sixth sliding block, and limiting convex blocks are arranged at the bottom ends of the fifth frame and the sixth frame. The handle is in an ⊔ shape, and sliding grooves for sliding the fifth sliding block and the sixth sliding block are arranged on the inner sides of the fifth frame and the sixth frame.

The first locking machine and the second locking machine are both of V-shaped structures. The closed end of the first locking machine is fixedly connected with the push rod handle, one open end of the first locking machine is fixedly connected with the sliding groove of the first frame, and the other open end of the first locking machine is movably connected with the first sliding block. The closed end of the second locking machine is fixedly connected with the push rod handle, one open end of the second locking machine is fixedly connected with the sliding groove of the second frame, and the other open end of the second locking machine is movably connected with the second sliding block.

The working principle is as follows: when the locking operation is carried out, the push rod handle is pulled downwards at first, the first locking machine and the second locking machine are driven to be opened in the downward movement process of the push rod handle, the first sliding block and the second sliding block can move freely, the push rod moves downwards under the rebounding action of the first spring and the second spring, and the hand is fixed between the push rod and the push rod handle to complete the self-locking operation of the handle. After the use, only need press the handle switch, open the kayser, compressed spring three and spring four stretch and recover, the handle drives the handle along spout downstream under spring three and spring four's effect, and the push rod handle moves down and produces the space and can take out the hand. When the novel lock is used again, the push rod is returned to the original position and then the push rod handle is restored, the first lock machine and the second lock machine respectively lock the first sliding block and the second sliding block, the handle is returned to the original position and then the handle switch is restored, and the fifth sliding block is locked by the clamp lock.

Has the advantages that: the straight pull type self-locking handle can fix hands of people who rescue people falling into water on the water rescue device through simple operation, prevents the people from falling into water again due to force removal or other accidents, and is beneficial to avoiding secondary damage.

Drawings

Fig. 1 is a front view of a state of use of the present invention.

Fig. 2 is a perspective view of another state of use of the present invention.

Detailed Description

As shown in figures 1-2, the straight pull type self-locking handle comprises a base 1, a handle switch 2, a limiting structure 3, a locking structure 4 and a transmission structure 5 which are sequentially arranged on the base 1 from outside to inside, wherein the locking structure 4 and the transmission structure 5 are respectively connected with a first locking machine 6 and a second locking machine 7 which are used for controlling the transmission structure to move up and down and are of a V-shaped structure, and the handle switch 2 is connected with the limiting structure 3 through a clamping lock 8. The transmission structure 5 comprises a first sliding block 51, a second sliding block 52, an ⊔ -shaped push rod 53, a first spring 54, a second spring 55, a first frame 56 and a second frame 57, wherein the push rod 53 is connected with the first spring 54 through the first sliding block 51, the push rod 53 is connected with the second spring 55 through the second sliding block 52, the bottom ends of the first frame 56 and the second frame 57 are provided with limiting convex blocks, and the inner sides of the first frame 56 and the second frame 57 are provided with sliding grooves for the first sliding block 51 and the second sliding block 52 to slide. The locking structure 4 comprises an ⊔ -shaped push rod handle 41, a slide block three 42, a slide block four 43, a frame three 44 and a frame four 45, the bottom ends of the frame three 44 and the frame four 45 are provided with limit bumps, and the inner sides of the frame three 44 and the frame four 45 are provided with sliding grooves for the slide block three 42 and the slide block four 43 to slide. The limiting structure 3 comprises an ⊔ -shaped handle 31, a slide block five 32, a slide block six 33, a spring three 34, a spring four 35, a frame five 36 and a frame six 37, wherein the handle 31 is connected with the spring three 34 through the slide block five 32, the handle 31 is connected with the spring four 35 through the slide block six 33, and limiting convex blocks are arranged at the bottom ends of the frame five 36 and the frame six 37. The inner sides of the frame five 36 and the frame six 37 are provided with sliding grooves for sliding the sliding blocks five 32 and six 33. The closed end of the first locking machine 6 is fixedly connected with the push rod handle 41, one open end of the first locking machine 6 is fixedly connected with the sliding groove of the first frame 56, and the other open end of the first locking machine 6 is movably connected with the first sliding block 51. The closed end of the second locking machine 7 is fixedly connected with the push rod handle 41, one open end of the second locking machine 7 is fixedly connected with the sliding groove of the second frame 57, and the other open end of the second locking machine 7 is movably connected with the second sliding block 52.

When in use, the base 1 is fixed on the life-saving device.

It should be noted that the "⊔" or "V" structure in the present invention is not limited to the structure of specific components, and the different shapes of the deformation components are included in the protection scope of the present invention as long as the hand-holding operation can be achieved, and should not be construed as limiting the present invention.

Claims

1. The utility model provides a straight pull formula auto-lock handle which characterized in that: including base (1), handle switch (2) and limit structure (3), locking structure (4) and transmission structure (5) that outside-in set gradually, limit structure (3), locking structure (4) and transmission structure (5) and base (1) fixed connection, locking structure (4) and transmission structure (5) link to each other through a locking machine (6) and a locking machine (7) that are used for controlling transmission structure (5) and reciprocate respectively, handle switch (2) link to each other with limit structure (3) through kayser (8).

2. The straight pull self-locking handle as claimed in claim 1, wherein: the transmission structure (5) comprises a first sliding block (51), a second sliding block (52), a first push rod (53), a first spring (54), a second spring (55), a first frame (56) and a second frame (57), the first push rod is connected with the first spring (54) through the first sliding block (51), the second push rod (53) is connected with the second spring (55) through the second sliding block (52), and limiting convex blocks (58) are arranged at the bottom ends of the first frame (56) and the second frame (57).

3. The straight pull self-locking handle as claimed in claim 2, wherein: the push rod (53) is

And sliding grooves for sliding the first sliding block (51) and the second sliding block (52) are formed in the inner sides of the first frame (56) and the second frame (57).

4. The straight pull self-locking handle as claimed in claim 3, wherein: the locking structure (4) comprises a push rod handle (41), a third sliding block (42), a fourth sliding block (43), a third frame (44) and a fourth frame (45), and the bottom ends of the third frame (44) and the fourth frame (45) are provided with limiting convex blocks (46).

5. The straight pull self-locking handle according to claim 4, wherein: the push rod handle (41) isAnd sliding grooves for sliding the third sliding block (42) and the fourth sliding block (43) are formed in the inner sides of the third frame (44) and the fourth frame (45).

6. The straight pull self-locking handle as claimed in claim 1, wherein: the limiting structure (3) comprises a handle (31), a sliding block five (32), a sliding block six (33), a spring three (34), a spring four (35), a frame five (36) and a frame six (37), the handle (31) is connected with the spring three (34) through the sliding block five (32), the handle (31) is connected with the spring four (35) through the sliding block six (33), and limiting convex blocks (38) are arranged at the bottom ends of the frame five (36) and the frame six (37).

7. The straight pull self-locking handle as claimed in claim 6, wherein: the handle (31) is

And sliding grooves for sliding the five sliding blocks (32) and the six sliding blocks (33) are formed in the inner sides of the five frame (36) and the six frame (37).

8. The straight pull self-locking handle according to claim 5, wherein: the first locking machine (6) and the second locking machine (7) are both of V-shaped structures.

9. The straight pull self-locking handle according to claim 8, wherein: the closed end of the first locking machine (6) is fixedly connected with the push rod handle (41), one open end of the first locking machine (6) is fixedly connected with the sliding groove of the first frame (56), and the other open end of the first locking machine (6) is movably connected with the first sliding block (51).

10. The straight pull self-locking handle according to claim 8, wherein: the closed end of the second locking machine (7) is fixedly connected with the push rod handle (41), one open end of the second locking machine (7) is fixedly connected with the sliding groove of the second frame (57), and the other open end of the second locking machine (7) is movably connected with the second sliding block (52).