CN201423668Y

CN201423668Y - PVC pipe cutter

Info

Publication number: CN201423668Y
Application number: CN2009201233126U
Authority: CN
Inventors: 徐军桥
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-06-29
Filing date: 2009-06-29
Publication date: 2010-03-17
Anticipated expiration: 2019-06-29

Abstract

The utility model discloses a PVC pipe cutter. The cutter comprises a handle, wherein a blade is fixed at the top end of one side of the handle; a propelling ratchet and a ratchet torsional spring pressed on the propelling ratchet are movably connected below the blade; a stop ratchet is arranged in the propelling ratchet; a toothed blade is arranged at the top end of the other side of the handle;the propelling ratchet is propped against the teeth of the toothed blade; a tail buckle is mounted at the tail end of the handle; a blade spring is arranged in the handle; and one end of the blade spring is fixed in a spring fixing hole formed on the toothed blade, and the other end thereof is fixed on the tail buckle. The PVC pipe cutter provided by the utility model has the advantages that the spring is relocated in the handle, so that the blade spring can be not only protected but also avoided from occupying the effective working area of the cutter during operation, thereby achieving higherworking efficiency.

Description

The sub-cutter of a kind of pvc pipe

Technical field

The utility model relates to a kind of cutter, specifically, relates to the sub-cutter of a kind of pvc pipe of pvc pipe road cutting.

Background technology

PVC, just polyvinyl chloride (PVC) is one of thermoplastic that is developed the earliest.Compare with other plastics, PVC can have extremely important status by adding various ingredients such as plasticizer and impact modifier in thermoplastic.The physical and mechanical properties of PVC goods is in very large range adjustable, can produce from hard to soft various goods, and processing technology and application are also very various.In daily production and construction, installation personnel need cut into appropriate length with the pvc pipe spare of homogeneous tube, is convenient to construction.Yet the PVC material is owing to self have certain elasticity, and therefore processing is very inconvenient.Though special cutting scissors is arranged, very unstable when therefore cutting because the PVC material self has elasticity, the low hand that also hurts easily of cutting efficiency.For this reason, the patent No. has just been described a kind of pipe cutter in the utility model patent " the sub-cutter of jaw type pvc pipe with rapid return structure " of " 200720110120.2 ", can make that the work of cutting pvc pipe spare is more convenient stable, has more efficient.But through discovering that such structure also is not suitable for practical operation.Because pvc pipe spare generally all is circular, and be arranged on edge of a knife position owing to spring in the prior art, reality spring in cutting can block edge of a knife latter half like this.The actual effectively cutting diameter of cutter has reduced like this, has equally also brought very big inconvenience.Spring exposes in the handle outside and gets rusty easily, and is perhaps caused damaging by collision, influences service life.

The utility model content

The purpose of this utility model is to provide a kind of pvc pipe cutter.A power-assisted can be provided under the prerequisite that does not reduce the effective cutting diameter of cutter, effectively solve the problem that the PVC material is difficult to cut because of good springiness.Can also guarantee simultaneously the service life of product.

In order to solve the problems of the technologies described above, the utility model is achieved through the following technical solutions: the sub-cutter of a kind of pvc pipe, comprise handle, handle one side top is fixed with blade, the blade underside is connected with and advances ratchet and be pressed in the ratchet torsion spring that advances on the ratchet, advance in the ratchet and be provided with the retaining ratchet, the opposite side top of handle is provided with the band teeth cutter blade, advance ratchet to withstand on the tooth of band teeth cutter blade, handle end is provided with the tail button, handle inside is provided with the blade spring, and described blade spring one end is fixed in the spring fixed hole of being opened on the band teeth cutter blade, and the other end is fixed on tail and buckles.

Preferably, advance ratchet to be provided with groove, the ratchet torsion spring is embedded in the groove that advances ratchet.It is more firm that such structure makes that ratchet knob spring is connected with the propelling ratchet, is separated from the time of can not carrying work owing to accident.

Preferably, described ratchet torsion spring front end is L type and the form fit that advances ratchet.Such structure has further guaranteed the stable of connection.

Preferably, described ratchet torsion spring and propelling ratchet are movably connected on the handle by removable pin and draw-in groove inserted sheet.It is very convenient that such structure makes that the utility model removes and installs.Repair and replacement in time when running into parts damages

Preferably, described blade spring is connected the round end that tail is buckled.Being connected firmly like this, the blade spring has utilized the handle inner space fully.And the round end of tail button can not change when handle motion or switch tail button, guarantees that the blade spring can not be subjected to the external force influence when not using, and prolonged the service life of blade spring.

Compared with prior art; the utility model has the advantages that: the position of spring is moved in the handle; not only can play the effect of protection blade spring, and can guarantee that the blade spring can not take effective working region of cutter when work, improved the efficient of work.

Description of drawings

The utility model is described in further detail below in conjunction with accompanying drawing:

Fig. 1 is the schematic internal view of the sub-cutter of a kind of pvc pipe of the utility model.

Fig. 2 is the explosive view of the sub-cutter of a kind of pvc pipe of the utility model.

The specific embodiment

Consult Fig. 1, Fig. 2 is the sub-cutter of a kind of pvc pipe of the utility model, comprise handle 2, handle 2 one side tops are fixed with blade 9, blade 9 underside are connected with and advance ratchet 10 and be pressed in the ratchet torsion spring 11 that advances on the ratchet 10, advance in the ratchet 10 and be provided with retaining ratchet 1, the opposite side top of handle 2 is provided with band teeth cutter blade 6, advance ratchet 10 to withstand on the tooth of band teeth cutter blade 6, handle 2 ends are provided with tail and buckle 3, handle 2 inside are provided with blade spring 5, described blade spring 5 one ends are fixed in the spring fixed hole of being opened on the band teeth cutter blade 67, and the other end is fixed on the tail button 3.Advance ratchet 10 to be provided with groove, ratchet torsion spring 11 is embedded in the groove that advances ratchet 10.Described ratchet torsion spring 11 front ends are L type and the form fit that advances ratchet 10.Described ratchet torsion spring 11 and propelling ratchet 10 are movably connected on the handle 2 by removable pin 12 and draw-in groove inserted sheet 8.Described blade spring 5 is connected tail and buckles 3 round end 4.

The sub-cutter of a kind of pvc pipe after installing is identical with prior art when using, and just can cut pvc pipe effectively as long as directly use.The tooth of band teeth cutter blade 6 withstands continuously and advances ratchet 10 in cutting process.And advance ratchet 10 continuous fixed band teeth cutter blade 6 under the effect of ratchet torsion spring 11 and retaining ratchet 1, and make two blades obtain a power-assisted, can make things convenient for the cutting in pvc pipe road.After cutting finishes, advance ratchet 10 also to walk to be over to be with all teeth on the teeth cutter blade 6, therefore throw off, and under the effect of blade spring 5, get back to initial position, preparation work next time with band teeth cutter blade 6.

When product does not use, then handle 2 is closed, tail button 3 is buckled, avoid the sharp edge of a knife to hurt sb.'s feelings.

Compare with prior art, biggest advantage of the present utility model is: blade spring 5 has been located at handle 2 inside, under the prerequisite that does not influence use, has prolonged the service life of blade spring 5, also do not hinder the efficient working range of blade simultaneously, further improved the efficient of work.Described ratchet torsion spring 11 and propelling ratchet 10 make also that by the structure that removable pin 12 and draw-in groove inserted sheet 8 are movably connected on the handle 2 the utility model loading and unloading are simple and convenient.

The above only is a specific embodiment of the utility model, but architectural feature of the present utility model is not limited thereto, any those skilled in the art is in field of the present utility model, and variation of being done or modification all are encompassed among the claim of the present utility model.

Claims

1, the sub-cutter of a kind of pvc pipe, comprise handle (2), handle (2) one side tops are fixed with blade (9), blade (9) underside is connected with and advances ratchet (10) and be pressed in the ratchet torsion spring (11) that advances on the ratchet (10), advance in the ratchet (10) and be provided with retaining ratchet (1), the opposite side top of handle (2) is provided with band teeth cutter blade (6), advance ratchet (10) to withstand on the tooth of band teeth cutter blade (6), handle (2) end is provided with tail and buckles (3), it is characterized in that: handle (2) inside is provided with blade spring (5), described blade spring (5) one ends are fixed in the spring fixed hole of being opened on the band teeth cutter blade (6) (7), and the other end is fixed on the tail button (3).

2, the sub-cutter of a kind of pvc pipe as claimed in claim 1 is characterized in that: advance ratchet (10) to be provided with groove, ratchet torsion spring (11) is embedded in the groove that advances ratchet (10).

3, the sub-cutter of a kind of pvc pipe as claimed in claim 1 is characterized in that: described ratchet torsion spring (11) front end is L type and the form fit that advances ratchet (10).

4, as the sub-cutter of the wherein arbitrary described a kind of pvc pipe of claim 1-3, it is characterized in that: described ratchet torsion spring (11) and propelling ratchet (10) are movably connected on the handle (2) by removable pin (12) and draw-in groove inserted sheet (8).

5, the sub-cutter of a kind of pvc pipe as claimed in claim 1, it is characterized in that: described blade spring (5) is connected tail and buckles the round end of (3) (4).