TWI673087B - Mountaineering hook structure - Google Patents

Abstract

The utility model relates to a climbing hook structure. An openable connecting rod is provided on the opening of a hook body, and a push rod is provided on the other side of the hook body to extend to the link. A limit hole is provided in cooperation with the push rod. A sliding track is integrally extended outside, and a linkage unit is arranged between the connecting rod and the ejector rod. The linkage unit is displaced on the limiting hole and the sliding track, and there is a restricting means for the linkage unit to be fixed in the limiting hole. The forward pressure of the connecting rod is increased to prevent unintended opening and prevent accidents, and the ejector rod and the connecting rod of the present invention are used as plates or bars, which is low in cost and easy to process.

Description

Climbing hook structure

The invention relates to a mountaineering hook structure, which is a mountaineering and climbing mountaineering hook for fixing to a rope and a human body, and particularly relates to an anti-collision safety design for a shaft of an opening of a mountaineering hook.

Current mountaineering hooks and safety hooks are provided with a shaft that can be controlled to open and close at the opening of the hook body. The shaft is controlled by elastic torque. In order to prevent the shaft from opening unexpectedly due to a collision, the shaft A rotating shaft sleeve is provided on the outside. The shaft can be opened only after the shaft sleeve is rotated for safety purposes. However, during the safety test, a positive and lateral pressure will be applied to the shaft. The shaft rotates in the direction, so there is no problem in the safety test. However, with this design, when the shaft is subjected to a forward pressure test, the shaft cannot meet the test standard, so someone extends a rod top on the shaft sleeve. Clamp the other side of the hook body to increase the forward pressure of the shaft. However, this kind of design that extends from the shaft sleeve and extends out of the top bar is difficult to manufacture and the cost is high.

Therefore, how to increase the positive pressure of the shaft with the ejector is an improvement.

It is known that there is a shaft sleeve on the outside of the shaft, and the design that the shaft sleeve integrally extends a jack against the other side of the hook body. Although it can increase the forward pressure of the shaft, the shaft sleeve extends out The design of the rod is very difficult and costly to manufacture.

The climbing hook structure of the present invention includes: a hook body with a hanging space inside, An opening is provided on one side of the hanging space, a first end and a second end are provided at both ends of the opening, a first shaft hole is provided at the first end, and a connecting rod corresponding to the opening of the hook body is provided. A second shaft hole and a connecting rod are provided on the first shaft end and a second shaft end. The second shaft end and the second end of the hook body can be separated or fastened to a limit position. A third shaft hole, the connecting rod is pivoted on the first end of the hook body with the first rod end, so that the connecting rod is centered on the first rod end so that the second rod end is in the hanging space and the first The opening is opened by swinging between the two ends. The second rod end is provided with a fitting groove to form a shape with the second end of the hook body to achieve the fastening limit. A first shaft rod passes through the third shaft hole. Fixed to the first shaft hole so as to reach the first rod end of the connecting rod being pivoted to the first end of the hook body, a top rod, which is arranged in the hanging space, and has a first top end and a second A top end, the first top end is located at the connecting rod, the second top end is located at the connecting rod, and a fourth shaft hole is provided in the direction of the first top end, and a limit is provided in the direction of the second top end. Hole, the limiting hole integrally extends a sliding track toward the first top end, the sliding track approaches the first top end and is curved in an arc shape, and a rebound element makes the second rod end of the link to the hook body normally The second end elastically closes the opening, and normalizes the ejector rod to elastically apply force to the link, a second shaft, the second shaft is fixed to the second shaft hole through the fourth shaft hole to achieve The first top end of the ejector rod is pivotally connected to the connecting rod of the hook body, and a linkage unit is provided on the link, and between the first end and the linear position of the second end, the linkage unit is two The end extends into the limiting hole, and the linking unit and the limiting hole have a limiting means. The limiting means enables the two ends of the linking unit to be fixed only in the limiting hole, and can release the limiting means by the limiting position. The hole is moved to the sliding track, or the sliding track is moved to the limiting hole to generate the restriction means again.

The main purpose of the mountaineering hook structure of the present invention is that when the connecting rod is provided at the opening of the hook body, a jack is laterally fixed between the link and the hook body, and the jack is equipped with a limiting hole and a sliding track. The combination of the linkage unit and the link can increase the safety of the link, prevent unexpected opening and prevent accidents, and can increase the forward pressure of the link to increase the overall structural strength. This design method Because the ejector and connecting rod are bars or plates, processing is easy and cheap.

Another object of the mountaineering hook structure of the present invention is that the combination of the jack and the connecting rod is a coupling type, so the hanging space can be effectively divided into two spaces forever. When the ropes are respectively hung, the mutual interference can be avoided. For added security.

10‧‧‧ hook body

11‧‧‧ hanging space

12‧‧‧ opening

13‧‧‧ the first end

131‧‧‧Elastic coupling groove

132‧‧‧First shaft hole

14‧‧‧ the second end

15‧‧‧ connecting rod

151‧‧‧Second shaft hole

20‧‧‧ connecting rod

21‧‧‧First club end

211‧‧‧lack of slots

212‧‧‧Third shaft hole

22‧‧‧ second rod end

221‧‧‧ fit slot

23‧‧‧ Receiving hole

30‧‧‧ Link spring element

40‧‧‧First shaft

50‧‧‧ Jack

51‧‧‧ first top

511‧‧‧Fourth shaft hole

52‧‧‧ second top

53‧‧‧ limit hole

54‧‧‧ sliding track

60‧‧‧ ejector element

70‧‧‧Second shaft

80‧‧‧ Linkage unit

91‧‧‧Spring

92‧‧‧ button

921‧‧‧round big head

922‧‧‧ round little head

The first figure is a three-dimensional combined view of the mountaineering hook of the present invention.

The second figure is an exploded perspective view of the mountaineering hook of the present invention.

The third figure is a sectional view of the mountaineering hook assembly of the present invention.

The fourth figure is a side view of the climbing hook of the present invention in a fully closed state.

The fifth figure is a front view of the climbing hook of the present invention in a fully closed state.

The sixth figure is a front view of the mountaineering hook of the present invention ready to be opened.

The seventh diagram is a schematic diagram of the lifting means of the present invention.

The eighth diagram is a schematic diagram in the pivoting of the connecting rod of the present invention.

The ninth figure is a schematic diagram of completion of pivoting of the connecting rod of the present invention.

The tenth figure is a schematic diagram of the rebound of the connecting rod and the ejector rod according to the present invention.

The eleventh figure is a schematic diagram of the rebound completion of the connecting rod and the ejector rod of the present invention.

The twelfth figure is a diagram of another embodiment of the mountaineering hook of the present invention.

In the following, the preferred embodiment of the present invention will be described in detail in conjunction with the drawings as follows: As shown in the first, second, third, and fourth figures, the mountaineering of the present invention The hook structure includes: a hook body 10 having a C shape, and a hanging space 11 inside the hanging space 11; an opening 12 is provided on one side of the hanging space 11; An end 13 and a second end 14, the first end 13 is provided with an elastic coupling groove 131 and a first shaft hole 132 penetrating from the side, and a connecting rod 15 is provided on the hook body 10 corresponding to the opening 12, and the connecting rod 15 A second shaft hole 151 is provided thereon.

A connecting rod 20 is in the shape of a square column, and is designed to match the length of the opening 12 of the hook body 10. A connecting rod 20 is provided with a first rod end 21 and a second rod end 22. The second rod end 22 and the second end of the hook body 10. 14 can be separated or fastened, the first rod end 21 is provided with a notch 211 and a third shaft hole 212 penetrating from the side. The link 20 is pivoted on the hook body with the first rod end 21. The first end 13 of 10 causes the connecting rod 20 to use the first rod end 21 as an axis so that the second rod end 22 swings between the hanging space 11 and the second end 14 to open the opening 12, and the connecting rod 20 is transverse A receiving hole 23 is also provided. The receiving hole 23 is approximately at the middle of the connecting rod 20. Between the first end 13 and the second end 14, the second rod end 22 is provided with a fitting groove 221. The shape fits with the second end 14 of the hook body 10 to achieve the fastening limit.

A link rebound element 30 is provided between the elastic coupling groove 131 of the hook body 10 and the first rod end 21 of the link 20, so that the second rod end 22 of the link 20 is normally directed toward the hook body 10 The second end 14 elastically closes the opening 12.

A first shaft 40 is fixed to the first shaft hole 132 through the third shaft hole 212 to reach a position where the first rod end 21 of the link 20 is pivoted to the hook body 10.第一 端 13。 The first end 13.

A top pole 50 is provided in the hanging space 11 and has a first top end 51 and a second top end 52. The first top end 51 is located at the connecting rod 15, and the second top end 52 is located at the connecting rod 20. A fourth shaft hole 511 is provided in the direction of the first top end 51, and a limit hole 53 is provided in the direction of the second top end 52. The limit hole 53 integrally extends a sliding track 54 toward the first top end 51. The limit hole 53 forms an angle with the sliding track 54, the angle is a design of ninety degrees, and the sliding track 54 is curved in an arc shape near the first top end 51.

An ejector spring element 60 is disposed between the hook body 10 and the ejector 50, so that the ejector 50 normally applies elastic force to the link 20.

A second shaft 70 is fixed to the second shaft hole 151 through the fourth shaft hole 511 so as to achieve the connection that the first top end 51 of the jack 50 is pivoted to the hook body 10. The rod 15, the second shaft 70 and at the same time the ejector spring element 60 is positioned. The jack 50 swings around the second shaft hole 151 and the fourth shaft hole 511 as an axis, so that the second top end 52 is at the link 20 and can simultaneously approach the opening 12 or away from the opening 12 at the same time. The two top ends 52 are normally close to the opening 12.

A linking unit 80 is provided in the receiving hole 23, and both ends of the linking unit 80 extend into the limiting hole 53. The linking unit 80 and the limiting hole 53 have a limiting means. The limiting means The interlocking unit 80 can be fixed in the limit hole 53 and can be manually switched, so that the interlocking unit 80 can be moved from the limit hole 53 to the sliding track 54 to release the restriction means, or can be manually switched by the sliding The displacement of the track 54 to the limiting hole 53 generates the limiting means again.

The restricting means includes: a spring 91 and two keys 92, the limiting hole 53 of the ejector 50 is a circular hole, the sliding track 54 has a width, and the diameter of the circular hole is greater than the width of the sliding track 54; the spring 91 is provided in the accommodation hole 23, and the button 92 is provided in the accommodation hole 23 on both sides of the spring 91 and penetrates the limit hole 53. The button 92 can be between the limit hole 53 and the slide rail 54. Displacement, the button 92 is provided with a large round head 921 and a small round head 922. The large round head 921 has an outer diameter smaller than the limiting hole 53 and larger than the width of the slide rail 54. Little head 922 The outer diameter is smaller than the width of the slide rail 54.

Wherein, the limiting hole 53 of the ejector pin 50 forms an angle with the sliding rail 54, and the design of the angle is ninety degrees is also a limiting means.

The use of its structure is first seen from the fourth figure. When the link 20 is normally elastically closed by the link rebound element 30, the opening 12 is closed. The jack 50 is limited to the connecting rod 15 and the link. Twenty, the restriction means prevents the link 20 from being pressed to open.

When the rope is to enter or leave the hanging space 11, please refer to the fifth figure and the sixth figure first, and use the button 92 to release the restriction means, so as to restrict the large round head of the restriction hole 53. After leaving 921, use the small circular head 922 to guide the displacement of the linkage unit 80 from the limit hole 53 into the sliding track 54, as shown in the seventh figure. At this time, you can force the link 20 to the The opening 12 is opened by pulling in the hanging space 11 direction. As shown in FIG. 8 and FIG. 9, the linkage unit 80 is displaced along the sliding track 54, and at the same time, the jack 50 cooperates with the link 20 to pivot to make the jack The lever rebound element 60 is twisted until the opening 12 is opened to the maximum.

When the opening 12 is to be closed, the urging force of the link 20 is released, the link rebound element 30 rebounds the link 20 to reclose the opening 12, and the ejector spring element 60 pushes the ejector rod. 50 rebounds re-limit the means of the link 20, as shown in Figures 10 and 11.

As shown in the fourth and twelfth figures, the sliding track 54 of the ejector rod 50 has two directions, such as a ninety-degree upward design in the fourth figure or a ninety-degree downward design as in the twelfth figure.

With the above structure, when the connecting rod 20 is provided in the opening 12 of the hook body 10, the ejector rod 50 is laterally fixed between the connecting rod 20 and the hook body 10, and the ejection rod 50 is provided with a limiting hole 53 and a sliding rail 54. Cooperating with the linkage unit 80 in combination with the link 20 can increase the safety of the link 20, prevent unexpected opening and prevent accidents, and can increase the forward pressure of the link 20 to increase the overall The strength of the structure; the combination of the jack 50 and the connecting rod 20 is a coupling type, so the hanging space 11 can be effectively divided into two spaces forever. When the ropes are separately installed, it can avoid mutual interference and increase safety.

Claims (7)

A climbing hook structure includes: a hook body having a hanging space inside, an opening is provided on one side of the hanging space, a first end and a second end are provided at both ends of the opening, and a first end is provided with a first A shaft hole, a connecting rod corresponding to the opened hook body, the connecting rod is provided with a second shaft hole; a connecting rod is provided with a first rod end and a second rod end, the second rod end and the hook body The second end can be detached or fastened to a limit position, the first rod end is provided with a third shaft hole, and the link is pivoted to the first end of the hook body with the first rod end, so that the link is The rod end is the axis so that the second rod end swings between the hanging space and the second end to open the opening, and the second rod end is provided with a fitting groove that is in shape with the second end of the hook body to achieve the fastening limit; A first shaft, the first shaft is fixed to the first shaft hole through the third shaft hole, so as to reach the first end of the connecting rod pivotally on the first end of the hook body; Is provided in the hanging space, and has a first top end and a second top end, the first top end is located at the connecting rod, the second top end is located at the connecting rod, and the A fourth axis hole is provided in a top direction, and a limiting hole is provided in the second top direction. The limiting hole integrally extends a sliding track toward the first top, and the sliding track is curved in an arc near the first top; The rebound element causes the second rod end of the link to normally close the opening elastically toward the second end of the hook body, and causes the ejector rod to normally elastically apply force to the link; A second shaft, the second shaft is fixed to the second shaft hole through the fourth shaft hole, so as to reach the connecting rod of the top end of the ejector shaft being pivoted to the hook body; and a linkage unit, The linking unit is disposed on the connecting rod, and between the first end and the second end in a linear position, both ends of the linking unit extend into the limit hole, and the linking unit and the limit hole have a limiting means. The restriction means enables the linkage unit to be fixed in the limit hole and can be manually switched, so that the linkage unit can be moved from the limit hole to the sliding track to release the restriction means, or can be manually switched to move from the slide track to The restriction hole regenerates the restriction means. According to the climbing hook structure described in item 1 of the scope of the patent application, the hook body has a C shape, the first end is flat, and the connecting rod is a square pillar. According to the climbing hook structure described in item 1 of the scope of the patent application, the connecting rod is laterally provided with an accommodation hole between the first end and the second end in a linear position, and the linkage unit is disposed in the accommodation hole. According to the climbing hook structure described in item 1 of the scope of the patent application, the first end of the hook body is provided with an elastic coupling groove, the rebound element is a link rebound element, and the link rebound element is provided on the elasticity of the hook body. The coupling groove is between the first rod end of the connecting rod. According to the climbing hook structure described in item 1 of the scope of the patent application, the resilient element is a ejector element, and the ejector element is disposed between the hook body and the ejector. According to the climbing hook structure described in item 1 of the scope of the patent application, the limiting means is that the limiting hole forms an angle with the sliding track, and the angle is ninety degrees. When the linkage unit is located in the limit hole, the limit hole is locked at 90 degrees as the restriction means, and the ejector rod needs to be manually switched and pushed to move the linkage unit to the sliding track to remove the restriction means. According to the climbing hook structure described in item 1 of the scope of the patent application, the connecting rod is provided with a receiving hole in a lateral direction, and the restricting means includes: a spring and two buttons, the limiting hole of the ejector is a circular hole, and the sliding track There is a width, the diameter of the circular hole is larger than the width of the sliding track, the spring is provided in the accommodation hole, the key is provided in the accommodation hole on both sides of the spring and penetrates the limit hole, and the key can be Displacement between the limit hole and the sliding track, the button is provided with a large round head and a small round head, the outer diameter of the large round head is smaller than the limit hole, but larger than the width of the sliding track, The outer diameter of the small round head is smaller than the width of the sliding track.