CN110947168A

CN110947168A - Climbing hook

Info

Publication number: CN110947168A
Application number: CN201811134897.1A
Authority: CN
Inventors: 陈杰
Original assignee: Shanghai Pansheng Safety Equipment Factory
Current assignee: Shanghai Pansheng Safety Equipment Factory
Priority date: 2018-09-27
Filing date: 2018-09-27
Publication date: 2020-04-03

Abstract

The invention relates to a mountaineering hook which comprises a mountaineering hook body, wherein the mountaineering hook body comprises a hook body, a door core and a sleeve, the hook body is provided with two end parts which are respectively a first end and a second end, the door core is arranged at the first end when the hook body is in a closed position and an open position, the door core is contacted with the second end when the hook body is in the closed position, the sleeve is rotatably sleeved outside the door core, the mountaineering hook body also comprises a pin, the pin is fixed on two holes arranged on the hook body in an inserting mode, the fixed position of the pin is a position allowing the door core to be opened, a hole at one end of the hook body close to the door core is an inclined hole penetrating through the hook body, and a hole at one end of the hook body far away from the door core is a blind hole. The mountaineering hook ensures that the safety belt can be fixed in a specified range of the mountaineering hook through the design of additionally arranging the pin on the mountaineering hook, is opened through two actions of rotation and pressing of the sleeve, automatically resets by two springs, and is safe, reliable and convenient.

Description

Climbing hook

Technical Field

The invention relates to the field of falling protection products for overhead operation, in particular to a climbing hook.

Background

Along with the development of society and the improvement of living standard, people's self protection consciousness in high altitude construction is continuously improved, and personal safety protection articles will have more and more extensive market prospect and application. The mountain climbing hook has three specifications of single insurance, double insurance and triple insurance in the market at present, the single insurance mountain climbing hook in the market has the most use amount, the double insurance and the triple insurance are the least, and the three insurance is mainly caused by price factors and technical difficulty reasons. At present, the mountain-climbing hook generally has some problems: 1. when the safety belt or the safety rope is matched for use, the safety belt or the safety rope cannot be fixed in a specified area, so that the mountain-climbing hook cannot be stressed in a normal direction, and potential safety hazards are caused; 2. the sleeve can not automatically rebound and reset after being pressed to the bottom.

Disclosure of Invention

The invention aims to solve the problems that the existing mountain climbing hook cannot fix a safety belt in a specified area and cannot rebound after a sleeve is pressed to the bottom.

In order to achieve the purpose, the invention adopts the following technical scheme:

a mountaineering hook comprises a mountaineering hook body (1), wherein the mountaineering hook body (1) comprises a hook body (2), a door core (4) and a sleeve (3), the hook body (2) is provided with two end parts which are respectively a first end (2a) and a second end (2b), the door core (4) is arranged at the first end (2a) when the hook body (2) is in a closed position and an open position, the door core (4) is in contact with the second end (2b), the sleeve (3) is rotatably sleeved outside the door core (4), a hole at one end, close to the door core (4), of the hook body (2 is an inclined hole (11) penetrating through the hook body (2), a hole at one end, far away from the door core (4), of the hook body (2) is a blind hole (12), and a pin (10) is fixed on the inclined hole (11) and the blind hole (12) in an inserting mode, the position where the pin (10) is fixed is a position allowing the door core (4) to be opened. Because the pin (10) exists, a user can use the pin at ease in the operation process without manually observing the using state of the mountain-climbing hook.

Specifically, the door core (4) is provided with a first through hole (4a) and a second through hole (4b), a first rivet (7) penetrates through the first through hole (4a) to fix one end of the door core (4) at the first end (2a), and a second rivet (8) penetrates through the second through hole (4b) to fix the other end of the door core (4) at the second end (2 b). When the mountain climbing hook body (1) is used, a first rivet (7) penetrates through the first through hole (4a) to fix one end of the door core (4) at the first end (2a), a second rivet (8) penetrates through the second through hole (4b) to fix the other end of the door core (4) at the second end (2b), when the mountain climbing hook body (1) is opened, the sleeve (3) is rotated, the position where the door core (4) is connected with the second end (2b) is pressed, and the mountain climbing hook body (1) is opened.

Specifically, the door core (4) is a connecting piece with grooves A formed at two ends, the grooves A extend along the axial direction of the door core (4), the door core (4) at the two ends of the groove A is provided with the first through hole (4a) and the second through hole (4b), the middle of the door core (4) is in a step-shaped annular shape, the torsion spring (6) is sleeved on the step-shaped annular shape in the middle of the door core (4), a pressure spring (5) is arranged between the door core (4) and the first end (2a), the compression spring (5) is arranged in the groove A, one end of the compression spring (5) is connected with the part of the first rivet (7) penetrating through the groove A, the other end of the pressure spring (5) is connected with the groove A at the top of the door core (4), a lock tongue (9) is arranged in the pressure spring (5), the sleeve (3) is sleeved on the door core (4) which is sleeved with the torsion spring (6). And the bolt (9) connected with the pressure spring (5) enables the sleeve (3) to reset after being pressed down, and the torsion spring (6) enables the sleeve to automatically reset after rotating.

Specifically, seted up the recess on first end (2a) the groove B of the inside triangle-shaped shape of coupler body (2), the minor face of groove B is for being close to the inside direction of coupler body (2), the long limit of groove B is for keeping away from the inside direction of coupler body (2), the long limit of groove B with contained angle (13) of first end (2a) vertical direction are 128, can realize under this angle that the sleeve can reset completely after kick-backing.

Specifically, the designed size of the distance between the first end (2a) and the second end (2b) is 32.5mm, the opening size of the hook body is reduced by 0.8 mm-1 mm after processing and heat treatment, and the processing size of the hook body before heat treatment is enlarged to 32.5mm, so that the positioning pin (14) is positioned in the middle position of the hook body after the springback reset of the mountain-climbing hook can be ensured.

Compared with the prior art, the invention has the following beneficial effects: the safety belt (rope) can be fixed in the range specified by the mountain-climbing hook by additionally arranging the pin, a user only needs to open the mountain-climbing hook to hang the safety belt (rope), and does not need to observe whether the state of the mountain-climbing hook is in a normal use state, so that potential hidden danger caused by the fact that the mountain-climbing hook is possibly in an improper position is thoroughly avoided; the mountain-climbing hook is opened through two actions of rotation and pressing of the sleeve, and is automatically reset by the two springs, if the mountain-climbing hook cannot realize 100% reset locking, serious safety accidents can be caused in use, and through improvement, the mountain-climbing hook can be completely ensured to be reset and locked by 100%.

Drawings

Fig. 1 is an exploded view of a mountain-climbing hook according to the present invention.

Fig. 2 is a schematic structural view of a mountain-climbing hook according to the present invention.

FIG. 3 is a schematic view of an included angle of an end of a hook body of the mountain-climbing hook of the present invention.

Fig. 4 is a schematic diagram of the positions of the lock tongue and the hook body after the sleeve of the mountain-climbing hook is pressed down.

Fig. 5 is an assembly view of a mountain-climbing hook according to the present invention.

In the figure: the mountain-climbing hook comprises a mountain-climbing hook body 1, a hook body 2, a first end 2a, a second end 2b, a sleeve 3, a door core 4, a first through hole 4a, a second through hole 4b, a pressure spring 5, a torsion spring 6, a first rivet 7, a second rivet 8, a bolt 9, a pin 10, an inclined hole 11, a blind hole 12, an included angle 13, a positioning pin 14 and a hook body groove positioning surface 15.

Detailed Description

The invention is described in detail below with reference to the accompanying drawings.

Referring to the attached

drawings

1 and 2, the mountain climbing hook comprises a mountain climbing hook body (1), the mountain climbing hook body (1) comprises a hook body (2), a door core (4) and a sleeve (3), the hook body (2) is provided with two end portions which are a first end (2a) and a second end (2b), the door core (4) is arranged at the first end (2a) when the hook body (2) is in a closed position and an open position, the door core (4) is in contact with the second end (2b) when the hook body (2) is in the closed position, the sleeve (3) is rotatably sleeved outside the door core (4), a hole at one end, close to the door core (4), of the hook body (2 is an inclined hole (11) penetrating through the hook body (2), a hole at one end, far away from the door core (4), of the hook body (2) is a blind hole (12), and a pin (10) is fixed on the inclined hole (11) and the blind hole (12) in an inserting mode, the position where the pin (10) is fixed is a position allowing the door core (4) to be opened. Because the pin (10) exists, a user can use the pin at ease in the operation process without manually observing the using state of the mountain-climbing hook.

The door core (4) is provided with a first through hole (4a) and a second through hole (4b), a first rivet (7) penetrates through the first through hole (4a) to fix one end of the door core (4) at the first end (2a), and a second rivet (8) penetrates through the second through hole (4b) to fix the other end of the door core (4) at the second end (2 b). When the mountain climbing hook body (1) is used, a first rivet (7) penetrates through the first through hole (4a) to fix one end of the door core (4) at the first end (2a), a second rivet (8) penetrates through the second through hole (4b) to fix the other end of the door core (4) at the second end (2b), when the mountain climbing hook body (1) is opened, the sleeve (3) is rotated, the position where the door core (4) is connected with the second end (2b) is pressed, and the mountain climbing hook body (1) is opened.

The door core (4) is a connecting piece with grooves A formed at two ends, the grooves A extend along the axial direction of the door core (4), the door core (4) at the two ends of the groove A is provided with the first through hole (4a) and the second through hole (4b), the middle of the door core (4) is in a step-shaped annular shape, the torsion spring (6) is sleeved on the step-shaped annular shape in the middle of the door core (4), a pressure spring (5) is arranged between the door core (4) and the first end (2a), the compression spring (5) is arranged in the groove A, one end of the compression spring (5) is connected with the part of the first rivet (7) penetrating through the groove A, the other end of the pressure spring (5) is connected with the groove A at the top of the door core (4), a lock tongue (9) is arranged in the pressure spring (5), the sleeve (3) is sleeved on the door core (4) which is sleeved with the torsion spring (6). With spring bolt (9) that pressure spring (5) are connected make can reset after sleeve (3) are pushed down, pressure spring (5) make sleeve (3) are pushed down the back and are reset, automatic re-setting after torsional spring (6) make the sleeve rotatory.

Set up the recess on first end (2a) the inside triangle-shaped's of coupler body (2) groove B, the minor face of groove B is for being close to the inside direction of coupler body (2), the long limit of groove B is for keeping away from the inside direction of coupler body (2), the long limit of groove B with contained angle (13) of first end (2a) vertical direction are 128, can realize under this angle that the sleeve can reset completely after kick-backing.

The distance between the first end (2a) and the second end (2b) is designed to be 32.5mm, the opening size of the hook body is reduced by 0.8 mm-1 mm after processing and heat treatment, and the processing size of the hook body before heat treatment is enlarged to 32.5mm, so that the positioning pin (14) is positioned in the middle position of the hook body after the springback reset of the mountain-climbing hook can be ensured.

Referring to fig. 3, a triangular groove B recessed into the hook body (2) is formed in the first end (2a) of the hook body, and an included angle (13) formed between the long side of the groove B and the vertical direction of the first end (2a) is 128 degrees.

Referring to fig. 4, the elastic direction of the lock tongue (9) obviously staggers the circle center, and the resilience force is larger when the lock tongue is positioned at the position obviously staggered the circle center.

Referring to the attached figure 5, for the position relationship of the assembled mountain climbing hook, the opening size of the hook body (2) is reduced by 0.8 mm-1 mm after processing and heat treatment, and the processing size of the hook body (2) before heat treatment is enlarged to 32.5mm, so that the positioning pin (14) is positioned in the middle position of the hook body after the mountain climbing hook rebounds and resets, if the positioning pin (14) is not positioned in the middle of the hook body groove positioning surface (15), the sleeve (3) interferes with the hook body (2) when rebounding, and the mountain climbing hook cannot be normally assembled.

The safety belt or the safety rope can be fixed in the range specified by the mountain-climbing hook by additionally arranging the pin, a user only needs to open the mountain-climbing hook to hang the hook without observing whether the state of the mountain-climbing hook is in a normal use state, and potential hidden danger caused by the fact that the mountain-climbing hook is possibly in an improper position is thoroughly avoided; the mountain-climbing hook is opened through two actions of rotation and pressing of the sleeve, and is automatically reset by the two springs, if the mountain-climbing hook cannot realize 100% reset locking, serious safety accidents can be caused in use, and through improvement, the mountain-climbing hook can be completely ensured to be reset and locked by 100%.

The foregoing detailed description is given by way of example only, to better enable one of ordinary skill in the art to understand the patent, and is not to be construed as limiting the scope of what is encompassed by the patent; any equivalent alterations or modifications of the apparatus according to the present disclosure are intended to fall within the scope of the present disclosure.

Claims

1. A mountaineering hook, comprising a mountaineering hook body (1), the mountaineering hook body (1) comprising,

A hook body (2), the hook body (2) is provided with two ends, which are a first end (2a) and a second end (2b), respectively,

a door core (4), which is provided at the first end (2a) when the hook body (2) is in the closed position and the open position, and when the hook body (2) is in the closed position , the door core (4) is in contact with the second end (2b),

a sleeve (3), the sleeve (3) is rotatably sleeved on the outside of the door core (4),

It is characterized in that,

The hole at one end of the hook body (2) close to the door core (4) is an oblique hole (11) passing through the hook body (2), and the hook body (2) is away from the door core (4). The hole at one end is a blind hole (12),

The pin (10) is fixed on the inclined hole (11) and the blind hole (12) by plugging,

The fixed position of the pin (10) is the position that allows the door core (4) to be opened.

2. A carabiner hook as claimed in claim 1, characterized in that the door core (4) is provided with a first through hole (4a) and a second through hole (4b), and the first rivet (7) passes through One end of the door core (4) is fixed to the first end (2a) through the first through hole (4a), and a second rivet (8) passes through the second through hole (4b) to attach the door core (4) to the first end (2a). The other end of the door core (4) is fixed on the second end (2b).

3. a kind of carabiner hook as claimed in claim 2 is characterized in that,

The door core (4) is a connecting piece with a slot A at both ends, the slot A extends axially along the door core (4), and the door core (4) at both ends of the slot A is opened on the door core (4). There are the first through hole (4a) and the second through hole (4b),

The middle of the door core (4) is a stepped ring, the torsion spring (6) is sleeved on the stepped ring in the middle of the door core (4), the door core (4) is connected to the first end (2a) ) is provided with a compression spring (5),

The compression spring (5) is arranged in the groove A, one end of the compression spring (5) is connected to the part of the first rivet (7) passing through the groove A, and the The other end is connected to the slot A at the top of the door core (4),

The lock tongue (9) is arranged in the compression spring (5), and the sleeve (3) is sleeved on the door core (4) sleeved with the torsion spring (6).

4. A carabiner hook according to claim 3, characterized in that, a triangular-shaped groove B recessed into the interior of the hook body (2) is provided on the first end (2a), and the groove B is short The side is the direction close to the inside of the hook body (2), the long side of the slot B is the direction away from the inside of the hook body (2), and the long side of the slot B is perpendicular to the first end (2a) The included angle (13) of the directions is 128°.

5. A carabiner hook according to claim 4, characterized in that, the design dimension of the distance between the first end (2a) and the second end (2b) is 32.5 mm.