CN208877755U - A kind of safety hook and safety device - Google Patents

Abstract

The utility model relates to a kind of safety hook and safety devices, wherein safety hook includes coupler body, lock tongue, lock tube and return spring；Coupler body and lock tongue are enclosed the lock ring for being socketed safety rope, and coupler body is equipped with gib head and shaft, and the connecting pin of lock tongue can rotate around the axis, and the free end of lock tongue is adapted with gib head；Lock tube is socketed on the outside of gib head or lock tongue, and when lock tongue and gib head are under mated condition, lock tube can be socketed on the outside of the junction of gib head and lock tongue, the outer wall of lock tube can drive lock tube mobile to the direction far from junction when safety rope enters in lock ring towards shifting part is additionally provided in lock ring by shifting part；Return spring is for driving lock tube to be moved to junction.The safety hook structure is simple and convenient to operate, and operating personnel's safety can be effectively ensured.

Description

A kind of safety hook and safety device

Technical field

The utility model relates to safety means technical fields, and in particular to a kind of safety hook and safety device.

Background technique

Safety belt is for protecting one of high-altitude and the important protective articles of high-rise working personnel's personal safety, safe band logical Safety hook is crossed to connect with safety rope, with guarantee user using safe, the lock tongue of hook can rotate turnover under external force It rotates and forms opening between the gib head of coupler body, can be socketed with safety rope by the opening.But in use, may be used The case where due to external force or artificial maloperation lock tongue being separated with gib head can be will appear, that is, there is safety rope and safety hook is de- From the case where, security risk is caused to user.

To avoid above-mentioned security risk, guarantees the safety of user, in the prior art, guarantee peace by adding nut lock button Be hung on the stability after safety rope entirely, after lock tongue and gib head cooperate, make it in lock tongue by screw on nut safety fastener and The two is fixed in the junction of gib head, avoids both in use there is a situation where separating, such setting can be effective Guarantee the safety of the safety hook in use, avoids making safety hook and safety due to external force or artificial maloperation The case where rope is detached from, but nut lock button use is more troublesome, and is both needed to manual operation during installation and removal, is worked as safety rope There are safety hook when node, need to be removed across being installed after safety rope node again, operate time-consuming and laborious.

Therefore, how to provide highly-safe, the easy to operate safety hook of one kind is that those skilled in the art need to solve The technical issues of.

Utility model content

The purpose of the utility model is to provide a kind of safety hook and safety device, structure is simple and convenient to operate, and can be had Effect guarantees operating personnel's safety.

In order to solve the above technical problems, the utility model provides a kind of safety hook comprising coupler body, lock tongue, lock tube and Return spring；The coupler body and the lock tongue are enclosed the lock ring for being socketed safety rope, and the coupler body is equipped with gib head and turns The connecting pin of axis, the lock tongue can be rotated around the shaft, and the free end of the lock tongue is adapted with the gib head；The lock tube It is socketed on the outside of the gib head or the lock tongue, and when the lock tongue and the gib head are under mated condition, the lock tube The outside of the junction of the gib head and the lock tongue can be socketed on, the outer wall of the lock tube is dialled towards being additionally provided in the lock ring Moving part can drive the lock tube to far from the junction when safety rope enters in the lock ring by the shifting part Direction it is mobile；The return spring is for driving the lock tube to be moved to the junction.

Safety rope can stir the shifting part when entering in lock ring, and drive lock tube to separate junction by shifting part Direction is mobile, and lock tongue and gib head are cooperated again, and after safety rope is detached from shifting part, which can be in return bullet It is moved to junction under the action of spring, limits the separation of lock tongue and gib head, guarantees that lock ring is in close state.

That is, the safety hook can limit the relative position of lock tongue and gib head by lock tube after being socketed safety rope, It avoids occurring because of situations such as the maloperation of external force or user lock tongue being rotated around the axis, and then safety rope is caused to be detached from The case where safety hook, ensures the safety of user.Meanwhile the safety hook is to be additionally arranged return on the basis of existing hook Spring and lock tube, while lock tube is equipped with shifting part, structure is simple and convenient to operate, while further increasing safety, is saved Shi Shengli.

Optionally, the inner sidewall of the lock tube is equipped with the first position limiting structure, the lateral wall of the gib head or the lock tongue Lateral wall is equipped with the second position limiting structure, the return spring be set to first position limiting structure and second position limiting structure it Between.

Optionally, in first position limiting structure and second position limiting structure, one is groove, and another one is block piece.

Optionally, in the gib head and the lock tongue, one is equipped with second position limiting structure, and another one is equipped with blocking junction Structure, the return spring are able to drive the lock tube movement, abut the end of the lock tube with the barrier structure.

Optionally, the lock tongue or the gib head are equipped with bending structure, and the bending structure forms the barrier structure.

Optionally, the outer wall of the shifting part is arcuate structure.

Optionally, the gib head is equipped with towards one end of the lock tongue and/or one end of the lock tongue towards the gib head Locating part rotates in the lock ring for limiting the lock tongue.

Optionally, the gib head and the lock tongue are all provided with finite place piece, and the gib head and the lock tongue are respectively equipped with mutually The inclined surface of adaptation, the inclined surface form the locating part.

Optionally, central spring is equipped between the turning end of the lock tongue and the coupler body.

In addition, the utility model additionally provides a kind of safety device comprising safety belt and two safety as described above Hook, two safety hooks respectively with the safe band connection.

Safety device with safety hook as described above, the technical effect class of technical effect and above-mentioned safety hook Seemingly, to save length, details are not described herein.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of safety hook provided by the utility model embodiment.

In attached drawing 1, the reference numerals are as follows:

1- coupler body, 11- gib head, 12- shaft；

2- lock tongue, 21- bending structure；

3- lock tube, 31- shifting part.

Specific embodiment

In order to make those skilled in the art more fully understand the technical solution of the utility model, with reference to the accompanying drawing and have The utility model is described in further detail for body embodiment.

Referring to FIG. 1, Fig. 1 is the structural schematic diagram of safety hook provided by the utility model embodiment.

The utility model embodiment provides a kind of safety hook and safety device, wherein safety device include safety belt and Two above-mentioned safety hooks, two safety hooks are connected to safety belt, which is used for user when carrying out high altitude operation, The maintenance of such as power equipment, outdoor rock-climbing provide protection to user, avoid that there is a situation where falling from high altitude.Specifically, user It needs to dress the safety device, and is connect by above-mentioned safety hook with safety rope, when user is at the node by safety rope When, it needs to unlock the connection between hook and safety rope and hook is being hung on safety rope again across after node, during this, Two hooks can not be removed simultaneously, operate again to another hook after need to replacing to a hook position, to ensure The safety that any moment has hook that can guarantee user.

As shown in Figure 1, the safety hook in the present embodiment includes coupler body 1, lock tongue 2, lock tube 3 and return spring；Wherein, hook Body 1 and lock tongue 2 are enclosed the lock ring for being socketed safety rope, and coupler body 1 is equipped with gib head 11 and shaft 12, the connecting pin of lock tongue 2 It can be adapted around the shaft with gib head 11 in 12 rotation, the free end of lock tongue 2, lock tongue 2 is rotated relative to coupler body 1 to realize opening for lock ring It closes；Lock tube 3 is socketed on the outside of gib head 11 or lock tongue 2, and (i.e. lock ring is pass when lock tongue 2 and gib head 11 are under mated condition Closed state), lock tube 3 can be socketed on the outside of the junction of gib head 11 and lock tongue 2, separated, guaranteed with limiting lock tongue 2 and gib head 11 Lock ring is in close state.

That is, in the present embodiment, the setting position of lock tube 3 can there are two types of, the first is to be sheathed on gib head 11 outside, after lock tongue 2 and the cooperation of gib head 11, lock tube 3 is mobile to the direction of lock tongue 2 and is socketed on the outside of junction, the Two kinds are the outsides that lock tube 3 is set to lock tongue 2, and after lock tongue 2 and the cooperation of gib head 11, lock tube 3 is mobile simultaneously to the direction of gib head 11 It is socketed on the outside of junction.

In addition, the outer wall of lock tube 3 can be dialled when safety rope enters in lock ring towards shifting part 31 is additionally provided on the inside of lock ring The shifting part 31 is moved, and drives lock tube 3 mobile to the direction far from junction by shifting part 31, so that lock tongue 2 and gib head 11 It can cooperate again, after safety rope is detached from shifting part 31, which can the company of being moved under the action of the return spring Place is met, the separation of lock tongue 2 and gib head 11 is limited, guarantees that lock ring is in close state.

That is, safety hook provided in this embodiment can limit 2 He of lock tongue by lock tube 3 after being socketed safety rope The relative position of gib head 11 avoids occurring to make because of situations such as the maloperation of external force or user 12 turns around the shaft of lock tongue 2 The case where moving, and then safety rope is caused to be detached from safety hook, ensures the safety of user.Meanwhile the safety hook is existing It is additionally arranged return spring and lock tube 3 on the basis of hook, while lock tube 3 is equipped with shifting part 31, structure is simple and convenient to operate, It is time saving and energy saving while further increasing safety.

In the above-described embodiments, the inner sidewall of lock tube 3 is equipped with the first position limiting structure, the lateral wall of gib head 11 or lock tongue 2 Lateral wall is equipped with the second position limiting structure, and return spring is between the first position limiting structure and the second position limiting structure, that is to say, that when When lock tube 3 is socketed on the outside of gib head 11, return spring is set between the inner wall of lock tube 3 and the outer wall of gib head 11, when 3 sets of lock tube When being connected to the outer wall of lock tongue 2, return spring is set between the inner wall of lock tube 3 and the outer wall of lock tongue 2, when safety rope passes through shifting part 31 when driving lock tubes 3 mobile to the junction far from lock tongue 2 and gib head 11, the first position limiting structure and the compression of the second position limiting structure and Return spring is stretched, at this point, lock tongue 2 12 can rotate around the shaft and separate or cooperate with gib head 11, when safety rope and shifting part After event resolves between 31, the return spring in compression or tensional state will drive under the restoring force of its own effect to be locked Set 3 is moved to junction.

Certainly, in the present embodiment, return spring also can be set in the end of lock tube 3, such as be connected to return spring Between the end and lock tongue 2 or gib head 11 of lock tube 3, i.e. the return spring outside that is located at lock tube 3, and return spring is set to lock tube The scheme of 3 inside enables to overall structure simple, and lock tube 3 can provide protection to return spring.

In the above-described embodiments, in the first position limiting structure and the second position limiting structure, one is groove, and another one is block piece, Wherein, groove can be set to the outer wall of lock tongue 2 or gib head 11, block piece is set to the inner wall of lock tube 3, or also groove can be set to lock The inner wall of set 3, block piece are set to the inner wall of lock tongue 2 or gib head 11, are not particularly limited herein.Certainly, it in the present embodiment, can also incite somebody to action First position limiting structure and the second position limiting structure are set as block piece, and when one in two position limiting structures is set as groove, block piece It can also be located in groove, and then the outer wall of lock tube 3 and the distance between the inner wall of lock tongue 2 or the inner wall of gib head 11 can be reduced, Reduce the volume of lock tube 3, simplify overall structure.

In the above-described embodiments, in gib head 11 and lock tongue 2, one is equipped with the second position limiting structure, for first with lock tube 3 Position limiting structure mating reaction, another one are equipped with barrier structure, for driving lock tube 3 under the action of its restoring force when return spring End abutment when being back to junction with lock tube 3, to stop the movement travel of lock tube 3.

As shown in Figure 1, lock tube 3 is set to the outside of gib head 11 in the present embodiment, the second position limiting structure is set to the outer of gib head 11 Wall, lock tongue 2 are equipped with bending structure 21, and when lock tube 3 is socketed on junction, which can stop the end of lock tube 3, I.e. the bending structure 21 forms above-mentioned barrier structure, likewise, gib head 11 can be equipped with phase if lock tube 3 is set to the outside of lock tongue 2 The bending structure 21 answered, for abutting the end of lock tube 3.

Certainly, in the present embodiment, barrier structure can also be the convex block for being fixedly arranged on lock tongue 2 or gib head 11, does not do have herein Body limitation, manufacture craft can be simplified while simplifying overall structure by being set as bending structure 21.

In the above-described embodiments, the outer wall of shifting part 31 is arcuate structure, avoids that there is a situation where corner angle damage safety ropes.

In the above-described embodiments, gib head 11 is equipped with limit towards one end of lock tongue 2 and/or lock tongue 2 towards one end of gib head 11 Position part, that is to say, that the locating part can be set to gib head 11, can also be set to lock tongue 2 or gib head 11 and lock tongue 2 is set respectively There is compatible locating part, rotated in lock ring for limiting lock tongue 2, i.e., lock tongue 2 12 is turned to and limited around the shaft in lock ring When position part abuts, i.e., lock tongue 2 and gib head 11 cooperate, and the setting of the locating part can enable lock tongue 2 accurately cooperate with gib head 11, So that lock tube 3 can be socketed on the junction.

In the above-described embodiments, when gib head 11 and lock tongue 2 are equipped with compatible locating part, as shown in Figure 1, gib head 11 It is respectively equipped with the inclined surface being mutually adapted with lock tongue 2, which forms barrier structure, when lock tongue 2 12 turns to two around the shaft When a inclined surface is just opposite, lock ring closure.

Certainly, in the present embodiment, with no restrictions for the specific structure of locating part, locating part can be such as set as individually setting The structures such as the baffle set, the baffle and gib head 11 or lock tongue 2 are fixed, and the scheme for setting inclined surface for locating part can letter It is simple to change overall structure, manufacture craft.

In the above-described embodiments, between the turning end of lock tongue 2 and coupler body 1 be equipped with central spring, when user push lock tongue 2 around Shaft 12 is turned to separated with gib head 11 after, after the active force of user is withdrawn from, lock tongue 2 will be in the effect of the restoring force of central spring Lower drive lock tongue 2 12 is turned to at 11 cooperation of gib head around the shaft, can simplify integrated operation.

Above are merely preferred embodiments of the utility model, it is noted that for the ordinary skill people of the art For member, without departing from the principle of this utility model, several improvements and modifications can also be made, these improvements and modifications Also it should be regarded as the protection scope of the utility model.

Claims (10)

1. a kind of safety hook, which is characterized in that including coupler body (1), lock tongue (2), lock tube (3) and return spring；

The coupler body (1) and the lock tongue (2) are enclosed the lock ring for being socketed safety rope, and the coupler body (1) is equipped with gib head (11) can be rotated around the shaft (12) with shaft (12), the connecting pin of the lock tongue (2), the free end of the lock tongue (2) with The gib head (11) is adapted；

The lock tube (3) is socketed on the outside of the gib head (11) or the lock tongue (2), and works as the lock tongue (2) and the hook Head (11) is under mated condition, and the lock tube (3) can be socketed on the outer of the junction of the gib head (11) and the lock tongue (2) Side, the outer wall of the lock tube (3) is towards being additionally provided with shifting part (31) in the lock ring, when the safety rope enters in the lock ring The lock tube (3) can be driven mobile to the direction far from the junction by the shifting part (31)；

The return spring is for driving the lock tube (3) to be moved to the junction.

2. safety hook according to claim 1, which is characterized in that the inner sidewall of the lock tube (3) is equipped with the first limit Structure, the lateral wall of the gib head (11) or the lateral wall of the lock tongue (2) are equipped with the second position limiting structure, and the return spring is set Between first position limiting structure and second position limiting structure.

3. safety hook according to claim 2, which is characterized in that first position limiting structure and the second limit knot In structure, one is groove, and another one is block piece.

4. safety hook according to claim 2, which is characterized in that in the gib head (11) and the lock tongue (2), one Equipped with second position limiting structure, another one is equipped with barrier structure, and the return spring is able to drive the lock tube (3) movement, Abut the end of the lock tube (3) with the barrier structure.

5. safety hook according to claim 4, which is characterized in that the lock tongue (2) or the gib head (11) are equipped with curved Folded structure (21), and the bending structure (21) forms the barrier structure.

6. safety hook according to claim 1-5, which is characterized in that the outer wall of the shifting part (31) is arc Shape structure.

7. safety hook according to claim 1-5, which is characterized in that the gib head (11) is towards the lock tongue (2) one end and/or the lock tongue (2) are equipped with locating part towards one end of the gib head (11), for limiting the lock tongue (2) It is rotated in the lock ring.

8. safety hook according to claim 7, which is characterized in that the gib head (11) and the lock tongue (2) are equipped with Locating part, the gib head (11) and the lock tongue (2) are respectively equipped with the inclined surface being mutually adapted, and the inclined surface forms the limit Position part.

9. safety hook according to claim 1-5, which is characterized in that the turning end of the lock tongue (2) and institute It states and is equipped with central spring between coupler body (1).

10. a kind of safety device, including safety belt and two such as described in any item safety hooks of claim 1-9, two institutes State safety hook respectively with the safe band connection.