CN201020671Y

CN201020671Y - Portable quick-retreating pincers type PVC tube cutter

Info

Publication number: CN201020671Y
Application number: CNU2007201077735U
Authority: CN
Inventors: 吴其联
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-04-04
Filing date: 2007-04-04
Publication date: 2008-02-13
Anticipated expiration: 2017-04-04

Abstract

The utility model discloses a handy and fast automatic cutter-withdrawing forceps-shaped PVC pipe cutter, which comprises a forceps-shaped body composed of a small handle and a big handle as well as a cutter blade, a ratchet sheet, a big screw, an adjusting block and an adjusting block compressed spring matching with the cutter, wherein the small handle and the big handle are connected by a pin pole to realize the articulated connection; the cutter blade and the ratchet sheet are fixed by a location pin and a location hole thereon and are fixed by two cutter blade screws to form a module; the big screw is pressed against the big handle to make the rotational movement; and the adjusting block is connected by an elastic pin to the big handle and is pressed down by the compressed spring of the adjusting block. When a push pawl pushes the ratchet sheet, the cutter blade makes the circular cutter feed movement accordingly, so as to realize the action of cutting the pipe. Moreover, for every step the push pawl pushes the pawl sheet to advance, a pull pawl hooks the ratchet sheet to prevent the cutter blade from receding. When the cutter is withdrawn, the plastic tail buckle rotates to the big handle. The structure is compact, the cost is low and the design is artful, saving both time and labor.

Description

The sub-cutter of jaw type pvc pipe of light fast automatic withdrawing

Technical field

The utility model relates to the sub-cutter technical field of pvc pipe, is specially a kind of sub-cutter of jaw type pvc pipe with light fast automatic withdrawing.

Background technology

The sub-cutter of existing jaw type pvc pipe mainly contains large and small handle, pushes away, draws ratchet, tail button, some springs, compositions such as blade and ratchet.Wherein blade and ratchet sheet are fixed together by screw.Need stir with strength with thumb during withdrawing and be contained in the plastic button ability withdrawing that draws on the ratchet, its principle be this moment the operator carve and obeyed the torsion spring resistance that draws ratchet, make the pull-button spring to outer sideway swivel away from the ratchet sheet, and continuation clothes at quarter push away the torsion spring resistance on the ratchet, drive pushes away ratchet rotation laterally in the lump, make to push away, draw ratchet all to throw off the ratchet of ratchet sheet, remove thereby make blade under the effect of spring, return fast, for next feed is got ready.Owing to will push away, draw button spring resistance on the ratchet with clothes constantly during withdrawing, so require great effort when having withdrawing, the swivel of advancing and retreat changes slow-footed defective.

Summary of the invention

Technical problem to be solved in the utility model is at above-mentioned deficiency, and a kind of time saving and energy saving sub-cutter of jaw type pvc pipe with light fast automatic withdrawing is provided.

The technical scheme that the utility model adopted is: the sub-cutter of jaw type pvc pipe of light fast automatic withdrawing, comprise the jaw type body that constitutes by miniature lever and big handle, be provided with equipped mutually blade, ratchet sheet, king bolt, regulating block and the regulating block stage clip that matches in the jaw type body; The technical measures of taking comprise: miniature lever is connected by pin with big handle, realizes flexibly connecting; Blade, ratchet sheet are located by self alignment pin and locating hole, and are fixed into an assembly by two blade screws; Be pressed on the big handle by king bolt again, can rotate; Regulating block is connected on the big handle with the bullet pin, and is compressed by the regulating block stage clip.When pushing away ratchet and promote the ratchet sheet, then blade is done circumference feed campaign thereupon, realizes the action of cutting pipe, and when pushing away ratchet promotion ratchet and take a step forward, draws ratchet to catch on the ratchet sheet in case blade retreats.Even like this when being cut with flexible flexible pipe also gently structure deal with.Then plastics tail button is rotated to when returning sword on the big handle at once.

The technical measures of taking also comprise: be equipped with in the miniature lever and push away ratchet, connect through the bullet pin, and compressed by the miniature lever torsion spring and to push away ratchet.Be equipped with in the big handle and draw ratchet, connect, and compress by big handle torsion spring and to draw ratchet through the bullet pin.For ease of returning sword, miniature lever afterbody close-fitting is equipped with a plastics tail that can rotate on the big handle to be buckled.

For reaching the purpose of light fast automatic withdrawing, push away the elongation of ratchet front end, when doing the feed action at every turn, do not influence whole process, draw ratchet to inner rotary and can utilize this extension to stir during withdrawing, make to push away, draw ratchet all to throw off the ratchet of ratchet sheet, thereby make blade rapid return under the pulling force effect of ratchet flat spring.Outwards angle of commentaries on classics is just passable and the action of doing only need continue miniature lever.

Compared with prior art, the utility model pushes away ratchet front end is extended.Pushing away ratchet stirs and draws ratchet when inner rotary, be to have utilized the button spring force that pushes away ratchet to be greater than the characteristics that act on the button spring force that draws ratchet in fact, therefore as long as carve the button spring resistance that clothes draw ratchet, comparing original technology will be laborsaving much with obeying the button spring that pushes away, draws ratchet constantly in fact.And the conversion speed of advance and retreat cutter has improved than former technology.Design cleverly makes that push away ratchet has played with one and support two effect, realized easy and convenient, effect of saving time and labor.

Description of drawings

Fig. 1 is the sectional structure schematic diagram of the utility model embodiment;

Fig. 2 is each parts decomposition texture schematic diagram of Fig. 1.

The specific embodiment

Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.

Fig. 1 is to shown in Figure 2: the sub-cutter of pvc pipe with light fast automatic withdrawing, comprise the jaw type body of forming by miniature lever 1 and big handle 3, the jaw type body adopts aluminium or zinc alloy material processing and fabricating usually, connect by pin 2 between the large and small handle, can realize between the two rotatablely moving.Alignment pin and locating hole by self between blade 6 and the ratchet sheet 8 are located, and are fixed into an assembly by two blade screws 7; And be pressed on the big handle by king bolt 4 and rotate, prevent to rock.Twist a screw on the ratchet sheet, ratchet extension spring 5 one ends connect this screw, and an end connects and is positioned on the bullet pin 11 of big handle 3, make the assembly of blade 6 and ratchet sheet 8 be subjected to the pulling force effect of this ratchet extension spring 5 all the time and keep a power of withdrawing shape.9 of regulating blocks are pressed on the big handle 3 by regulating block stage clip 10, play the effect of regulating the blade openings size.

Push away ratchet 14 and be contained on the miniature lever 1, and connect by a bullet pin 11.Other adorns a miniature lever button spring 13 and pushes down this all the time and push away ratchet 14, makes to push away on the ratchet that ratchet 14 is pressed in ratchet sheet 8 all the time.Draw ratchet 16 to be contained on the big handle 3, connect, a big handle button spring 15 equally also is housed pushes down all the time, make and draw ratchet 16 also to lean against on the ratchet of ratchet sheet 8 by a bullet pin 11.

For reaching the effect of light fast automatic withdrawing, the front end that pushes away ratchet 14 is longer, makes that pushing away ratchet 14 can push up when shrinking back and draw on the ratchet 16, stirs and draws ratchet 16 to inner rotary, push away, draw ratchet all to throw off the ratchet district of ratchet sheet 8, blade 6 rapid return under the work of ratchet extension spring 5.And because can withdrawing as long as carve the resistance of the big handle button spring 15 of clothes, so very laborsaving.

When packing up the not time spent, only need to be positioned at plastics tail button 12 on the miniature lever 1 and rotate on the big handle and get final product.

In actual applications, the user can hold pipe cutter, does the action of convergent-divergent miniature lever 1 continuously, can realize continuous feed.Can realize in two ways during withdrawing, the one, bleed off miniature lever 1 fast, because the button power of big handle button spring 15 is significantly less than the button power of miniature lever button torsion spring 13, miniature lever 1 fast to inner rotary, adds the resistance that can overcome big handle button spring 15 button power under the effect of inertia and realizes withdrawing under the effect of miniature lever button spring 13 button power.The 2nd, outwards pull out miniature lever 1 with middle finger under normal conditions, also can realize rapid return.And when returning sword, need angle of plastics tail button 12 rotations of miniature lever 1 afterbody is got final product to big handle 3.

Most preferred embodiment of the present utility model is illustrated, and various variations or the remodeling made by those of ordinary skills can not break away from scope of the present utility model.

Claims

1. the sub-cutter of jaw type pvc pipe of light fast automatic withdrawing, comprise the jaw type body that constitutes by miniature lever (1) and big handle (3), be provided with equipped mutually blade (6), ratchet sheet (8), king bolt (4), regulating block (9) and the regulating block stage clip (10) that matches in the jaw type body; It is characterized in that: described miniature lever (1) is connected by pin (2) with described big handle (3); Described blade (6), ratchet sheet (8) are located by self alignment pin and locating hole, and are fixed into an assembly by two blade screws (7); Be pressed on the described big handle (3) by described king bolt (4) again; Described regulating block (9) is connected on the described big handle (3) with bullet pin (11), and is compressed by described regulating block stage clip (10).

2. the sub-cutter of jaw type pvc pipe of light fast automatic withdrawing according to claim 1, it is characterized in that: be equipped with in the described miniature lever (1) and push away ratchet (14), connect through described bullet pin (11), and compress the described ratchet (14) that pushes away by miniature lever torsion spring (13).

3. the sub-cutter of jaw type pvc pipe of light fast automatic withdrawing according to claim 2, it is characterized in that: be equipped with in the described big handle (3) and draw ratchet (16), connect through described bullet pin (11), and compress the described ratchet (16) that draws by big handle torsion spring (15).

4. according to the sub-cutter of jaw type pvc pipe of claim 1 or 2 or 3 described light fast automatic withdrawings, it is characterized in that: described miniature lever (3) afterbody close-fitting is equipped with a plastics tail that can rotate on the big handle buckles (12).