CN209376841U - A kind of safety buckle - Google Patents

Abstract

The utility model discloses a kind of safety buckles, including the first connector, second connector, main lock tongue and main resilient supporting unit, first connector and the second connector plug connection, the main lock tongue is mounted on second connector, the main resilient supporting unit is arranged between second connector and the main lock tongue to push the main lock tongue locking direction to be caught in first connector to prevent first connector and second connector from being detached from grafting, further include be mounted on second connector and with the main lock tongue along plugging direction secondary lock tongue arranged side by side and for push the secondary lock tongue along locking direction be caught in in first connector to prevent first connector and second connector from being detached from the secondary resilient supporting unit of grafting.It has been arranged in juxtaposition main lock tongue and secondary lock tongue in plugging direction, double clamping protection has been allowed to carry out, so the safety buckle can efficiently solve the inadequate problem of safety buckle safety.

Description

A kind of safety buckle

Technical field

The utility model relates to connector technical fields, more specifically to a kind of safety buckle.

Background technique

Safety buckle is a kind of fast connecting fastener, is usually applied various fields, such as common daily necessity, knapsack etc.； Such as safe instrument, such as the setting of safety belt.Safety buckle mainly includes pin thread and female thread, and wherein pin thread is inserted into female thread, with Plug connection is completed, and when being detached from grafting, it is only necessary to release the connection between pin thread and female thread.

Specific connection is usually the connecting rod that setting two or so is correspondingly arranged outer hook on pin thread；Pass through its unci It links together with the notch hook on female thread；To be provided with female thread in the two sides of female thread convenient for disconnection will be connected Tongue is pressed, to push female thread pressure tongue to enter unci, to prevent female thread and pin thread from being detached from grafting；When the work of pressing female thread pressure tongue When moved end, female thread pressure tongue reverse movement can be pushed, no longer to enter the outer hook of pin thread, and then is no longer interfere with female thread and pin thread It is detached from grafting, that is, is convenient to that disconnection will be connected；But such structure is also disconnected since it is easy while convenient to use, And there are hidden danger for security；It is extremely easy to disconnect because accidentally pressing；The reliability of connection is not high.

It is current those skilled in the art in conclusion how to efficiently solve the not high problem of safety buckle safety Urgent problem.

Utility model content

In view of this, the safety buckle can be solved effectively the purpose of this utility model is to provide a kind of safety buckle The certainly not high problem of safety buckle safety.

In order to achieve the above object, the utility model provides the following technical solutions:

A kind of safety buckle, including the first connector, the second connector, main lock tongue and main resilient supporting unit, described A connection piece and the second connector plug connection, the main lock tongue are mounted on second connector, the main elasticity Support device be arranged between second connector and the main lock tongue with push the main lock tongue along locking direction be caught in First connector further includes being mounted on described the to prevent first connector and second connector from being detached from grafting The secondary lock tongue that is set side by side on two connectors and with the main lock tongue along plugging direction and for pushing the secondary lock tongue along locking Direction be caught in in first connector to prevent first connector and second connector from being detached from the secondary bullet of grafting Property support device.

In the safety buckle, when in use, in the first connector and the grafting to be detached from of the second connector, at this time in master In lock tongue and auxiliary lock tongue, foozle there are the reason of, one of lock tongue is first prevented, and when the lock tongue fracture when, i.e., When no longer being prevented, and the first connector and the second connector are after subtle movement at this time, until another lock tongue starts It is prevented, and then forms the effect of duplicate protection.In conclusion in the safety buckle, along the first connector and second The plugging direction of connector arranges main lock tongue and secondary lock tongue, allows to carry out double clamping protection, is protected with one wherein clamping When shield failure, i.e., when one of lock tongue is broken, another lock tongue can enter blocked state, to be effectively prevented from the first connection Part and the second connector are detached from grafting, and then play the effect of safeguard protection, the peace that staff can more renew in time at this time Full eye-splice, to continue duplicate protection.In conclusion can to efficiently solve safety buckle safety inadequate for the safety buckle The problem of.

Preferably, the main lock tongue and the secondary tongue linked, so that the main lock tongue can when mobile to unlocking direction Push the secondary lock tongue mobile to unlocking direction.

Preferably, the main lock tongue and second connector are rotatablely connected by main pin, the secondary lock tongue with it is described Second connector passes through secondary pin shaft rotation connection, and the main pin is arranged in parallel with the secondary pin shaft.

Preferably, first connector includes first connecting portion and is arranged in the first connecting portion close to described second Inserting for connector side is convex, is provided on second connector and inserts the convex jack being slidably matched with described, described to insert a convex left side The right side is provided with the main lock tongue and secondary lock tongue, described to insert the convex left and right sides to be provided with the master to offset with the main lock tongue convex The pair protrusion for rising and offseting with the secondary lock tongue.

Preferably, convex, outer end exposing setting is inserted for pushing institute manually for being caught in described in the main lock tongue inner end It states main lock tongue to rotate to the first connecting portion direction, first company close on the main lock tongue is arranged in the pair lock tongue The side of socket part, and the secondary lock tongue inner end for be caught in it is described insert in convex, outer end and the main lock tongue outer end are along grafting side To offseting.

Preferably, the main resilient support is spring, and the secondary resilient support is torsional spring.

Preferably, it is provided with fluting on second connector, it is described to insert that be correspondingly arranged on convex be from the fluting Open end be inserted into the limit convex in the fluting, it is described in first connector and the second connector grafting The front end of limit convex and the end of the fluting offset and expose setting.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is the configuration schematic diagram of safety buckle provided by the embodiment of the utility model；

Fig. 2 is that the lock tongue of safety buckle provided by the embodiment of the utility model is caught in schematic diagram；

Fig. 3 is the inserting state structural schematic diagram of safety buckle provided by the embodiment of the utility model.

It is marked in attached drawing as follows:

First connector 1, the second connector 2, main lock tongue 3, main resilient supporting unit 4, secondary lock tongue 5, secondary resilient support dress It sets 6, insert convex 7, is main raised 8, secondary protrusion 9, fluting 10, limit convex 11.

Specific embodiment

The utility model embodiment discloses a kind of safety buckle, and to efficiently solve, safety buckle safety is not high to be asked Topic.

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-Fig. 3 is please referred to, Fig. 1 is the configuration schematic diagram of safety buckle provided by the embodiment of the utility model；Fig. 2 Lock tongue for safety buckle provided by the embodiment of the utility model is caught in schematic diagram；Fig. 3 is provided by the embodiment of the utility model The inserting state structural schematic diagram of safety buckle.

In a specific embodiment, a kind of safety buckle is present embodiments provided, which mainly includes the first connection Part 1, the second connector 2, main lock tongue 3, main resilient supporting unit 4, secondary lock tongue 5 and secondary resilient supporting unit 6.Wherein the first connection In part 1 and the second connector 2, one is pin thread, the other is female thread.

Wherein 2 plug connection of the first connector 1 and the second connector, specific first connector 1 include first connecting portion, Second connector 2 includes second connecting portion, wherein first connecting portion and the second connecting portion installation part with eye-splice to be installed respectively Both ends connection specifically forms rectangular through-hole generally in the first connector 1 of meeting and in the second connector 2, is connected with facilitating It connects.In first connector 1 and the second connector 2 one have insert convex 7, another have for insert it is convex 7 insertion to form grafting The jack of connection.Wherein the first connector 1 is generally latch plate, and the second connector 2 is generally pedestal.

Wherein main lock tongue 3 is mounted on the second connector 2, to prevent 1 He of the first connector by being caught in the first connector 1 Second connector 2 is detached from grafting along plugging direction.Wherein main resilient supporting unit 4 be mounted on the second connector 2 and main lock tongue 3 it Between, wherein the specific mounting means of main lock tongue 3 and main resilient supporting unit 4, can refer to the prior art.And it only needs in function On energy, when the first connector 1 and the second connector 2 carry out plug connection, can satisfy main resilient supporting unit 4 can be pushed Main lock tongue 3 along locking direction be caught in in the first connector 1 to prevent the first connector 1 and the disengaging grafting of the second connector 2.Phase It answers, it can be by applying external force power to main lock tongue 3, the elastic force of main resilient supporting unit 4 can be overcome, with can be with It is mobile to unlocking direction to drive main lock tongue 3, and then opens main lock tongue 3, and is no longer interfere with the first connector 1 and the second connector 2 are detached from clamping.Specifically, how main lock tongue 3 is caught in the first connector 1, the prior art can be referred to, is no longer limited herein, with Make it possible to prevention.

Wherein secondary lock tongue 5 is mounted on the second connector 2, to prevent the first connector 1 by being caught in the first connector 1 It is detached from grafting along plugging direction with the second connector 2, and the corresponding setting of secondary resilient supporting unit 6 is in the second connector 2 and pair Between lock tongue 5, to guarantee under normality, secondary lock tongue 5, which can be stablized, to be snapped onto the first connector 1.It is corresponding, wherein secondary lock tongue 5 With secondary resilient supporting unit 6, specific set-up mode can refer to above-mentioned main lock tongue 3 and main resilient supporting unit 4, it is only necessary to, Wherein secondary resilient supporting unit 6 can push secondary lock tongue 5 along locking direction be caught in in the first connector 1 to prevent the first connection Part 1 and the second connector 2 are detached from grafting, and while applying external force can overcome the active force of secondary resilient supporting unit 6, so that secondary Lock tongue 5 can be detached from the first connector 1 and be clamped, so that no longer to the first connector 1 and the second connector 2 along disengaging grafting The relative movement in direction is interfered.Specifically, how secondary lock tongue 5 is caught in the first connector 1, the prior art can be referred to, This is no longer limited, so that the first connector 1 can be prevented to connect 2 disengaging grafting with second after being caught in.

Wherein secondary lock tongue 5 is set side by side with main lock tongue 3 along plugging direction, refers in plugging direction, secondary lock tongue 5 and master Lock tongue 3 is respectively clamped into the first connector 1, to prevent the first connector 1 and the second connector 2 from being detached from grafting, so that, it is inserting It connects on direction, the first connector 1 and the grafting to be detached from of the second connector 2, then needs successively to overcome main lock tongue 3 and secondary lock tongue 5 Interference.

In the safety buckle, when in use, in the first connector 1 and the second 2 grafting to be detached from of connector, exist at this time In main lock tongue 3 and secondary lock tongue 5, one of lock tongue is first prevented, and when lock tongue fracture, i.e., when no longer being prevented, And the first connector 1 and the second connector 2 are after subtle movement at this time, until another lock tongue starts to be prevented, in turn Form the effect of duplicate protection.In conclusion in the safety buckle, in the first connector 1 and the second connector 2 along grafting side To arranging main lock tongue 3 and secondary lock tongue 5, allow to carry out double clamping protection, with when a heavy truck connects shielding failure wherein, i.e., When one of lock tongue is broken, another lock tongue can enter blocked state, be connected with being effectively prevented from the first connector 1 and second Fitting 2 is detached from grafting, and then plays the effect of safeguard protection, the safety buckle that staff can more renew in time at this time, with Continue duplicate protection.In conclusion the safety buckle can efficiently solve the inadequate problem of safety buckle safety.

When carrying out safeguard protection, once it goes wrong, the lock tongue fracture typically wherein first to work, at this time separately One lock tongue just enters working condition.Based on this, in order to easy to operate, preferably main lock tongue 3 and secondary lock tongue 5 link herein, with Enable to push secondary lock tongue 5 mobile to unlocking direction when main lock tongue 3 is mobile to unlocking direction.This linked manner, wherein one When a lock tongue is broken, which is not mobile to unlocking direction, is moved so not will drive another lock tongue to unlocking direction It is dynamic.And when unlock is manually operated, so that when can operate the first connector 1 and the disengaging grafting of the second connector 2 simultaneously, at this time It is only necessary to drive wherein main lock tongue 3 it is mobile to unlocking direction.This unlocking manner, it is easy to operate, and will not influence The duplicate protection effect of main lock tongue 3 and secondary lock tongue 5.

It should be noted that and when secondary lock tongue 5 is mobile to unlocking direction, if be able to drive main lock tongue 3 to unlock side It to movement, can according to need, select corresponding linked manner.A kind of relatively simple mode can make the shank of main lock tongue 3 exist When mobile to unlocking direction, a thrust is generated to the shank of secondary lock tongue 5, and then push secondary lock tongue 5 mobile to unlocking direction.

Wherein main lock tongue 3 is moved along locking direction to be caught in the first connector 1, and along unlocking direction, can be detached from The clamping of first connector 1；Wherein secondary lock tongue 5 is moved along locking direction to be caught in the first connector 1, and along unlocking direction, energy Enough clampings being detached from the first connector 1.The movement of two of them lock tongue can be translation, be also possible to rotate, specifically, It can according to need and selected.It wherein translates, the vertical direction sliding such as lock tongue with the second connector 2 along plugging direction is matched It closes, be inserted into the bayonet of the first connector 1 when moving, and then prevents the first connector 1 and the second connector 2 along slotting Connect direction relative movement.This driving, operation is uncomfortable, and operating force is corresponding with the support force of resilient supporting unit.

Based on this, preferably main lock tongue 3 and the second connector 2 is rotatablely connected by main pin herein, and secondary lock tongue 5 and second connects Fitting 2 passes through secondary pin shaft rotation connection, and wherein main pin and secondary pin shaft are arranged in parallel.So that main lock tongue 3 and secondary lock tongue 5 be By rotation, snap onto the first connector 1.By rotation connection, laborsaving behaviour can be carried out by the relationship of the arm of force and torque Make.It should be noted simultaneously that in order to preferably carry out locking, preferably to prevent opposite second connector 2 of the first connector 1 It is relatively moved along plugging direction, at this time preferably, when main lock tongue 3 and secondary lock tongue 5 enter working condition, main lock tongue 3 and first The radial direction that power direction is main 3 pivot center of lock tongue of supporting between connector 1, wherein between secondary lock tongue 5 and the first connector 1 Support the radial direction that power direction is secondary 5 pivot center of lock tongue, to avoid the first connector 1 to be detached from plugging direction it is mobile when pair Main lock tongue 3 and secondary lock tongue 5 generate the torque for pushing its rotation.

Further, first connector 1 includes that first connecting portion and setting are connected in first connecting portion close to second 2 side of part inserts convex 7, wherein being provided with and inserting convex 7 jacks being slidably matched on the second connector 2.Specifically, wherein second connect Fitting 2 includes second connecting portion and jack portion, is wherein provided in jack portion for the above-mentioned jack for inserting convex 7 insertion.

It is provided with main lock tongue 3 and secondary lock tongue 5 in the left and right for inserting convex 7, wherein the main lock tongue 3 of the left and right sides is correspondingly arranged, It is aligned and is arranged in plugging direction, wherein the secondary lock tongue 5 of the left and right sides is correspondingly arranged, is aligned and is arranged in plugging direction.It is corresponding, The pair protrusion 9 that convex 7 left and right sides is provided with main raised 8 to offset with main lock tongue 3 and offsets with secondary lock tongue 5 is inserted, wherein leading The power direction of supporting of lock tongue 3 and main raised 8 to offset should be the radial direction of main 3 pivot center of lock tongue, push master not generate The torque that lock tongue 3 rotates, wherein the diameter for supporting power direction and shoulding be secondary 5 pivot center of lock tongue of secondary lock tongue 5 and secondary protrusion 9 to offset To direction, not generate the torque for pushing secondary lock tongue 5 to rotate.

As described above, main lock tongue 3 and secondary lock tongue 5 link, in order to preferably make main 3 inner end of lock tongue for be caught in Insert convex 7 to offset with main raised 8, setting is exposed with for pushing main lock tongue 3 to rotate to first connecting portion direction manually in outer end, and The side of first connecting portion close on main lock tongue 3 is arranged in secondary lock tongue 5, and secondary 5 inner end of lock tongue inserts convex 7 for being caught in described In, outer end offset with main 3 outer end of lock tongue along plugging direction so that winner's lock tongue 3 is rotated to first connecting portion direction, i.e. edge When plugging direction is rotated to unlocking direction, main lock tongue 3 can push secondary lock tongue 5 to rotate to unlocking direction at this time.

In order to preferably install, main resilient supporting unit 4 preferably wherein is spring, can be compressed spring, can also be with It is extension spring, secondary resilient supporting unit 6 is torsional spring.In order to preferably install main lock tongue 3 and secondary lock tongue 5, can insert respectively Hole portion is provided with ear close to the side of first connecting portion, is respectively arranged with upper ear and lower ear in the left and right sides for inserting convex 7, Wherein the both ends of main pin are rotatablely connected with upper ear and lower ear respectively, so that main lock tongue 3 is rotatably connected in ear, wherein The both ends of main resilient supporting unit 4 are connect with main lock tongue 3 with jack portion respectively.Likewise, wherein the both ends of secondary pin shaft respectively with Upper ear and the rotation connection of lower ear, so that secondary lock tongue 5 is rotatably connected in ear.Wherein torsional spring is set on secondary pin shaft, and one Vertex angle part is caught in secondary lock tongue 5, and to prevent to relatively rotate with secondary lock tongue 5, another vertex angle part is inserted into ear, with prevention and ear Portion relatively rotates.

Further, in order to avoid the first connector 1 excessive insertion is into the second connector 2, the preferably second connection herein It is provided with fluting 10 in connection, and is correspondingly arranged on and can be inserted into fluting 10 from the open end of fluting 10 on convex 7 inserting, When the first connector 1 and the second 2 grafting of connector, the front end of limit convex 11 and the end of fluting 10 offset and expose setting, no It can only be limited by the end of fluting 10, to prevent the first connector 1 from being excessively inserting into the second connector 2, simultaneously Setting is exposed in the front end of limit convex 11, and to facilitate, staff can accurately judge the first connector 1 and the second connector 2 is No completion grafting.Before wherein front-rear direction refers to that plugging direction, direction of insertion are, after disengaging plugging direction is.For convenience Setting fluting 10 can make spacing setting between the above-mentioned Liang Geshang ear for inserting convex 7 left and right sides, open so as to be formed between the two Slot 10.And the Liang Gexia ear for inserting convex 7 left and right sides can be integrally formed connection, to guarantee intensity between the two.

Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other The difference of embodiment, the same or similar parts in each embodiment may refer to each other.

The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein The widest scope consistent with features of novelty.

Claims (7)

1. a kind of safety buckle, including the first connector, the second connector, main lock tongue and main resilient supporting unit, described first Connector and the second connector plug connection, the main lock tongue are mounted on second connector, the main elasticity branch Support arrangement is arranged between second connector and the main lock tongue to push the main lock tongue to be caught in along locking direction to institute The first connector is stated to prevent first connector and second connector from being detached from grafting, which is characterized in that further include peace The secondary lock tongue that is set side by side on second connector and with the main lock tongue along plugging direction and for pushing the pair Lock tongue along locking direction be caught in in first connector to prevent first connector and second connector from being detached from The secondary resilient supporting unit of grafting.

2. safety buckle according to claim 1, which is characterized in that the main lock tongue and the secondary tongue linked, so that The main lock tongue can push the secondary lock tongue mobile to unlocking direction when mobile to unlocking direction.

3. safety buckle according to claim 2, which is characterized in that the main lock tongue and second connector pass through master Pin shaft rotation connection, the pair lock tongue and second connector pass through secondary pin shaft and are rotatablely connected, the main pin and the pair Pin shaft is arranged in parallel.

4. safety buckle according to claim 3, which is characterized in that first connector includes first connecting portion and sets Set it is convex close to inserting for second connector side in the first connecting portion, be provided on second connector with it is described insert The convex jack being slidably matched, it is described to insert convex left and right and be provided with the main lock tongue and the secondary lock tongue, it is described to insert convex left and right The pair protrusion that two sides are provided with the main protrusion to offset with the main lock tongue and offset with the secondary lock tongue.

5. safety buckle according to claim 4, which is characterized in that inserted for being caught in described the main lock tongue inner end Expose setting so that for pushing the main lock tongue to rotate to the first connecting portion direction manually, the pair lock tongue is set in convex, outer end Set the side of the close first connecting portion on the main lock tongue, and the secondary lock tongue inner end for be caught in it is described insert it is convex In, outer end offsets with the main lock tongue outer end along plugging direction.

6. safety buckle according to claim 5, which is characterized in that the main resilient support is spring, the secondary elasticity Support is torsional spring.

7. safety buckle according to claim 6, which is characterized in that fluting is provided on second connector, it is described The limit convex for being correspondingly arranged on and capable of being inserted into from the open end of the fluting in the fluting on convex is inserted, in first connection When part and the second connector grafting, the end of the front end of the limit convex and the fluting offsets and exposes setting.