CN202028068U - Stepping type translational and multifunctional barrier-breaking tool - Google Patents

Abstract

The utility model relates to a stepping type translational and multifunctional barrier-breaking tool, which comprises a shell, a left dovetail groove-shaped chuck, a right dovetail groove-shaped chuck, a rack, a ratchet-gear mechanism, a two-way pawl-type stopping handle and a two-way pawl-type driving handle. The shell is fixedly provided with the handles, a driving pawl and a stopping pawl, the left dovetail groove-shaped chuck is fixedly connected with the shell through welding, the right dovetail groove-shaped chuck is fixedly connected with the rack through welding, the ratchet-gear mechanism, the shell and the driving handle are connected through pin shafts to form a rotating pair, the stopping handle is fixed on the shell through welding, and the two sides of the rack are connected with the shell in the form of a moving pair. The utility model has the advantages that the tool is convenient to carry, is easy to operate, and has a low price and an attractive appearance.

Description

The multi-functional broken barrier instrument of step-by-step movement translation

Technical field

In social life, unexpected stormses such as earthquake, fire, traffic accident often take place, it is crucial how carrying out rescuing and barrier-breaking timely and effectively, and the rescuing and barrier-breaking instrument of highly effective will play important effect.Large-scale rescuing and barrier-breaking instrument is no doubt important, but in a lot of narrow and small places, space, the small-sized rescue tool of highly effective can be brought into play irreplaceable important function equally.In a lot of rescue works, need expansion, demounting bolt, cut off steel plate, iron pipe, iron wire etc., correspondingly need to use multiple broken barrier instruments such as expander, spanner, pliers, scissors, can bring very big inconvenience to rescue work and carry a large amount of broken barrier instruments.

Background technology

The utility model relates to a kind of broken barrier instrument, particularly relates to the multi-functional broken barrier instrument of a kind of portable step-by-step movement.

The utility model content

The purpose of this utility model is to provide a kind of portable small-sized step-by-step movement multi-functional broken barrier instrument, should adopt ratchet-gear mechanism by broken barrier instrument, by control ratchet-two-way ratchet of gear Lower Half, drive the two-way rotation of first half gear, realize by the conversion of step-by-step movement rotation to the step-by-step movement translation by pinion and rack.Can realize expansion, demounting bolt, cut off steel plate, iron pipe, iron wire etc.

The technical scheme that adopts is:

The multi-functional broken barrier instrument of step-by-step movement of the present utility model, comprise housing, left side dove-tail chuck, right dove-tail chuck, tooth bar, ratchet-gear mechanism, two-way pawl type locking handle, two-way pawl type driving handle, be fixed with handle on the housing, drive ratchet, detent, left side dove-tail chuck is connected with the housing solid welding, right dove-tail chuck is connected with the tooth bar solid welding, ratchet-gear mechanism, housing, driving handle forms revolute pair by bearing pin and links together, locking handle is fixed by welding on the housing, the both sides of tooth bar are connected with housing by the form of moving sets, wherein ratchet-gear mechanism is an integral body, the first half is a gear, with tooth bar engagement, formative gear rackwork, the latter half is two-way ratchet, driving ratchet engagement with in the driving handle forms bidirectional ratchet mechanism.Drive ratchet and be connected by spring respectively, be installed in the endoporus of driving handle and locking handle with detent.

The utility model compact conformation, exquisite, amplification that can realizable force, the continuous rotation of driving handle is converted to the step-by-step movement translation of tooth bar, the swallow-tail form fixture block can be done to be clamped and extensional motion, by changing different swallow-tail form chucks, can realize iron shears reposefully, die nut, box spanner, miniature vice, pipe cutter, the all functions of nail puller and common pliers, really accomplish a tractor serves several purposes, easy to carry, simple to operate, cheap, good looking appearance, remedied the deficiency of large-scale rescue tool, can be brokenly the barrier disaster relief provides the small-sized broken barrier instrument of highly effective, has broad application prospects.

Description of drawings

Fig. 1 is the structural representation of a kind of embodiment of the utility model.

The specific embodiment

As shown in Figure 1, the multi-functional broken barrier instrument of step-by-step movement of the present utility model, comprise housing 4, left dove-tail chuck 1, right dove-tail chuck 10, tooth bar 2, ratchet-gear mechanism 3, two-way pawl type locking handle 5, two-way pawl type driving handle 6, left side dove-tail chuck 1 is connected with housing 4 solid weldings, right dove-tail chuck 10 is connected with tooth bar 2 solid weldings, ratchet-gear mechanism 3, housing 4, two-way pawl type driving handle 6 form revolute pair by bearing pin 11 and link together, and are fixed with handle 7 on the housing 4.Be provided with in the inner chamber of two-way pawl type driving handle 6 and drive ratchet 8, be provided with detent 9 in the inner chamber of two-way pawl type locking handle 5, driving ratchet 8 is connected by spring respectively with detent 9, two-way pawl type locking handle 5 is fixed by welding on the housing 4, the both sides of tooth bar 2 are connected with housing 4 by the form of moving sets, wherein ratchet-gear mechanism 3 is an integral body, the first half is a gear, with tooth bar 2 engagements, the formative gear rackwork, the latter half is two-way ratchet, and the driving ratchet engagement with in the driving handle forms bidirectional ratchet mechanism.Driving ratchet 8 is connected by spring respectively with detent 9, can move up and down along the handle endoporus respectively, make it to compress all the time ratchet, play the effect of driving and stop, during use, grasping handle 7 and two-way pawl type driving handle 6 does not stop and closes, driving pawl-gear mechanism 3 and the cooperation by rack-and-pinion are converted into the step-by-step movement translation to a direction, a left side, right dove-tail chuck 1,10 realize clamping action, pulling drives ratchet 8 and detent 9 and Rotate 180 degree, rotate two-way pawl type driving handle 6 this moment, can make tooth bar 2 produce step-by-step movement translation, a left side round about, right dove-tail chuck 1,10 realize expansion action.The chuck of small-sized expander, scissors, pipe cutter, die nut, box spanner, miniature vice etc. and all common pliers is processed into the block chuck instrument of dovetail, match with left and right dove-tail chuck 1,10 by magnetic in pairs respectively, during clamping, by changing different dovetails clevis head instruments, can realize all functions of scissors, pipe cutter, die nut, box spanner, miniature vice etc. and common pliers respectively.During expansion, can play the effect of small-sized expander.

The utility model maximum extension or clamping force are 2880N, the maximum extension distance is 100 mm, but the full-size of clamping object is 100mm, blade selects for use cobalt base hard alloy material to make, its shear stress allowable is about 700Mpa, yield limit is about 1000Mpa, and maximum can be cut off the metallic plate of thick about 2mm, can cut off the thin metallic tubd of the about 30-90mm of diameter or than the non-metallic pipe of heavy wall.

Claims (1)

1. the multi-functional broken barrier instrument of step-by-step movement, comprise housing (4), left side dove-tail chuck (1), right dove-tail chuck (10), tooth bar (2), ratchet-gear mechanism (3), two-way pawl type locking handle (5), two-way pawl type driving handle (6), it is characterized in that being fixed with on the described housing handle (7), drive ratchet (8), detent (9), left side dove-tail chuck (1) is connected with housing (4) solid welding, right dove-tail chuck (10) is connected with tooth bar (2) solid welding, ratchet-gear mechanism (3), housing (4), driving handle (6) forms revolute pair by bearing pin and links together, locking handle (5) is fixed by welding on the housing, the both sides of tooth bar (2) are connected with housing (4) by the form of moving sets, wherein ratchet-gear mechanism (3) is an integral body, the first half is a gear, mesh with tooth bar (2), the formative gear rackwork, the latter half is two-way ratchet, with driving ratchet (8) engagement in the driving handle (6), form bidirectional ratchet mechanism, drive ratchet (8) and be connected by spring respectively, be installed in the endoporus of driving handle (6) and locking handle (5) with detent (9).

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