CN201151090Y - Fastening pliers with two working mouths - Google Patents

Abstract

The utility model aims at providing a clip with double-mouth of tongs, which comprises a working head and a left and a right clip handles with regulating blocks, the clip handle regulating block comprises a regulating block and a fixing block, which are arranged in the left and the right clip handles and are connected through clamping screws, a regulating screw and a trimming screw pass through the clip handle and the fixing block and abut against one side surface of the regulating block along the end surface of the screw, the tail ends of a left and a right binding clips are respectively moveably connected with the left and the right clip handles through screws, and clip sleeves are sleeved on the left and the right clip handles. The clip is characterized in that the working head is composed of the left and the right binding clips, an upper and a lower cover plates, and a location shaft, wherein the location shaft which is movably connected for locating is arranged in the middle position of the left and the right binding clips, the upper and the lower cover plates are fixedly connected with the left and the right binding clips through pins, the tail portions of the left and the right binding clips are respectively and moveably connected with the left and the right clip handles through connecting screws, the left and the right clip handles are rotationally connected through clip handle screws, and the left and the right binding clips have an opening mold structure with more than two working openings.

Description

A kind of have a chucking clamp that duplex is made jaw

(1) technical field:

The utility model belongs to the hardware ﹠ tools technical field, particularly relates to a kind of chucking clamp that duplex is made jaw that has.

(2) background technology:

As everyone knows, pvc pipe, PAP is widely used as supplying water, the Delivery tube of fuel feeding and air feed, its caliber generally has 3 fens, 4 minutes, 6 minutes and 1 inch etc., the problem that interconnects that when this type of pipe is installed, often will relate to tube and tube, at present the known pipe joint of using always is two siphunculus joint made of copper and tee pipe coupling for plant adapter body on it of pvc pipe or PAP, with clamping tonger one deformable fasteners and adapter body are fixedly clamped then, distortion appears in this securing member in fastening process, makes the outer wall of itself and pvc pipe or PAP fastening closely.And the mouth mould on the existing clamping tonger is to be connected with the clamping clip head thread by screw, will have the phenomenon of replacement port mould when the operator wants to clamp the securing member of different size, has so not only prolonged the set-up time of pipe, and has influenced efficiency of construction.And existing integral type clamps the jaw place aclusion structure of tonger; the common like this securing member clamping back that can make is out of shape inhomogeneous; there is the projection phenomenon in intersection at the mouth mould; be easy to generate in the loosening phenomenon of prominence resilience; it is insecure to cause pipe to connect, thereby can occur leaking, leakage of oil or gas leak phenomenon.

(3) summary of the invention:

The purpose of this utility model is to provide a kind of chucking clamp that duplex is made jaw that has, and it can make the securing member in the fastening process be out of shape evenly, be connected firmly, increase efficiency of construction, is a kind of practical novel hardware ﹠ tools.

The technical solution of the utility model: a kind of have a chucking clamp that duplex is made jaw, comprise working head and have adjusting device about clamp handle, pincers handle adjusting device is by regulating block and fixed block, the pincers handle connects by trip bolt about all placing, adjustment screw and micrometer adjusting screw prop up a side of regulating block according to the screw rod end face by pincers handle and fixed block, the tail end of left and right sides binding clip respectively with about pincers handle flexibly connect by screw, about pincers Cover of pliers handle is arranged on the handle, it is characterized in that working head is by left and right sides binding clip, cover plate and locating shaft are formed up and down, the locating shaft that plays positioning action that flexibly connects places binding clip centre position, the left and right sides, and cover plate is fixedlyed connected by pin with left and right sides binding clip up and down; The tail end of left and right sides binding clip respectively with about pincers handle flexibly connect by attachment screw; About the pincers handle be according to pincers handle screw and be rotationally connected; Has the above die geometry of two working holes on the binding clip of the left and right sides.

Above-mentioned described interlock place with the above die geometry of two working holes is provided with the cooperation tooth, and its engaging clamp mouth is shaped as tongue and groove shape or step trough shape.

The above-mentioned described above die geometry of two working holes that has is provided with near its mouthful mould to show difference different size mouth mould so that the look nest structure that the operator uses.

Operation principle of the present utility model is: when both hands are held the pincers handle, when firmly opening the pincers handle to maximum position, attachment screw driving binding clip by pincers handle and binding clip opens thereupon, according to the mouth mould specification on user's the needs selection binding clip, it is aimed at securing member, occluding forceps handle firmly, mouthful mould is clamped securing member put in place, the cooperation tooth of mouthful mould intersection cooperated fully and put in place this moment, made the securing member outer surface evenly stressed, distortion has evenly improved the presentation quality after pipe fitting clamps.Jaw is furnished with the multiplex (MUX) and makes die geometry, has so not only simplified the trouble of operator's replacement port mould when clamping different pipe fitting, and has improved operating efficiency.Like this, clasp forceps, only need to select the mouth mould of different size, can adapt to the pipe fitting of two kinds of different sizes for same.More than based on structure, both can adapt to the mouth mould of different bores, also can adapt to the snap ring of different size.

The superiority of the utility model product is: the twoport mode structure that 1, has on the binding clip has not only been simplified the trouble of operator's replacement port mould when clamping different pipe fitting, and has improved operating efficiency; Interlock jaw mouth mould place is provided with the cooperation tooth when 2, clamping pipe fitting, not only can guarantee that pipe fitting contraction distortion amount in clamping process is even, and improves the presentation quality after pipe fitting clamps; 3, simple to operate, practical.

(4) description of drawings:

Fig. 1 is the related a kind of basic structure schematic diagram that duplex is made the chucking clamp of jaw that has of the utility model.

Fig. 2 a kind ofly has duplex and makes the structural representation of the chucking clamp working head of jaw (Fig. 2-a is the closed front view of working head, and Fig. 2-b is the working head vertical view) for the utility model is related.

Fig. 3 is related a kind of each the refinement schematic diagram of overall structure that duplex is made the chucking clamp of jaw that has of the utility model.

Fig. 4 for the utility model related a kind of have duplex do the interlock jaw accompanying drawing of the chucking clamp of jaw (Fig. 4-a is that working head opens the state front view, Fig. 4-b be the K of Fig. 4-a to view, Fig. 4-c working head interlock jaw vertical view).

Wherein: 1 is working head, and 2 are the pincers handle,

1-1 is a locating shaft, and 1-2 is a pin, and 1-3 is an attachment screw, and 1-4 is the look nest, and 1-5 is a mouthful mould, and 1-6 is a cover plate, and 1-7 is a binding clip, and 1-8 is for cooperating tooth;

2-1 is an adjustment screw, and 2-2 is a trip bolt, and 2-3 is a micrometer adjusting screw, and 2-4 is a fixed block, and 2-5 is a regulating block, and 2-6 is a Cover of pliers handle, and 2-7 is a screw rod, and 2-8 is the regulating block screw, and 2-9 is pincers handle attachment screw.

(5) specific embodiment:

Embodiment: a kind of have duplex and make the chucking clamp of jaw and (see Fig. 1, Fig. 2, Fig. 3 and Fig. 4), comprise working head 1 and by have adjusting device about pincers handle 2, pincers handle adjusting device be by regulating block 2-5 be connected by trip bolt 2-2 with clamping handle 2 about deciding piece 2-4 and all placing, adjustment screw 2-1 and micrometer adjusting screw 2-3 prop up a side of regulating block according to screw rod 2-7 end face by pincers handle 2 and fixed block, the tail end of left and right sides binding clip 1-7 respectively with about pincers handle 2 flexibly connect by attachment screw 1-3, about pincers Cover of pliers handle 2-6 is arranged on the handle, it is characterized in that working head 1 is by left and right sides binding clip 1-7, cover plate 1-6 and locating shaft 1-1 form up and down, the locating shaft 1-1 that plays positioning action that flexibly connects places binding clip 1-7 centre position, the left and right sides, and cover plate 1-6 is fixedlyed connected by pin 1-2 with left and right sides binding clip 1-7 up and down; The tail end of left and right sides binding clip 1-7 respectively with about pincers handle 2 flexibly connect by attachment screw 1-3; About pincers handle 2 be according to pincers handle attachment screw 2-9 and be rotationally connected; The mouth mould 1-5 structure that has two working holes on the binding clip 1-7 of the left and right sides.

Interlock place of above-mentioned described couple of working hole mould 1-5 is provided with and cooperates tooth 1-8, and its engaging clamp mouth is shaped as the tongue and groove shape.

Above-mentioned described couple of working hole mould 1-5 is provided with near its mouthful mould to show difference different size mouth mould so that the look nest 1-4 structure that the operator uses.

Claims (3)

1, a kind of have a chucking clamp that duplex is made jaw, comprise working head and have adjusting device about clamp handle, pincers handle adjusting device is by regulating block and fixed block, the pincers handle connects by trip bolt about all placing, adjustment screw and micrometer adjusting screw prop up a side of regulating block according to the screw rod end face by pincers handle and fixed block, the tail end of left and right sides binding clip respectively with about pincers handle flexibly connect by screw, about pincers Cover of pliers handle is arranged on the handle, it is characterized in that working head is by left and right sides binding clip, cover plate and locating shaft are formed up and down, the locating shaft that plays positioning action that flexibly connects places binding clip centre position, the left and right sides, and cover plate is fixedlyed connected by pin with left and right sides binding clip up and down; The tail end of left and right sides binding clip respectively with about pincers handle flexibly connect by attachment screw; About the pincers handle be according to pincers handle screw and be rotationally connected; Has the above die geometry of two working holes on the binding clip of the left and right sides.

2, according to the said a kind of chucking clamp that duplex is made jaw that has of claim 1, it is characterized in that described interlock place with the above die geometry of two working holes is provided with the cooperation tooth, its engaging clamp mouth is shaped as tongue and groove shape or step trough shape.

3, according to the said a kind of chucking clamp that duplex is made jaw that has of claim 1, it is characterized in that the described above die geometry of two working holes that has, be provided with near its mouthful mould to show difference different size mouth mould so that the look nest structure that the operator uses.

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