CN207205398U

CN207205398U - A kind of pipe cutter

Info

Publication number: CN207205398U
Application number: CN201721181198.3U
Authority: CN
Inventors: 王大龙; 包国权
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-09-14
Filing date: 2017-09-14
Publication date: 2018-04-10
Anticipated expiration: 2027-09-14

Abstract

It the utility model is related to a kind of pipe cutter, include the semicircle knife rest of two rotation connections, by tube grip to be cut in centre after two knife rests fastenings, cutter is installed on the knife rest, the cutter stretches out to the pipe cutting direction to be cut for being clamped in centre, two knife rests are locked by latch-up structure, are provided with the handle gripped for hand described at least one of which on knife rest.The utility model is not only simple in construction, and easy to operate, as long as knife rest to be clamped in the outside cutting for revolving the i.e. achievable pipe that turns around of pipe cutting to be cut, cutting efficiency can be greatly improved, and the quality of otch can be greatly improved, otch specification impulse- free robustness, the proportion of goods damageds and useless pipe rate can all reduce.

Description

A kind of pipe cutter

Technical field

A kind of pipe cutter is the utility model is related to, specifically a kind of pipe cutter for being used to cut fresh air bellows.

Background technology

In order to ensure the oxygen content of room air and freshness, the method used at present is mainly in indoor apparatus of air conditioner, removed Fresh wind tube, or separately installed new blower fan indoors are installed on wet machine, it is indoor outdoor fresh air to be introduced.The two ways is Connected by fresh wind tube (including sending, exhaust duct) with outdoor, it is indoor so as to which the air of outdoor be introduced, while by the dirt of interior Air is discharged.

Because the thickness of the structure in room, wall is different, the length of required fresh wind tube also can be different, and fresh wind tube exists A homogeneous tube is equipped with during sale, appropriate length is then cut out according to the installation site of user to user family.At present, for Cutting out for fresh wind tube has no specific purpose tool, is simply cut with common cutter or saw blade.This cutting mode, not only cutting Shi Rongyi hurts sb.'s feelings, and is also easy to make otch sideslip in cutting, the section after cutting is lack of standardization, jagged, when connecting fresh wind tube Reduced with the fitness of connected piece, the phenomenon for coming off, leaking out easily occur, meanwhile, more powder can be also produced in cutting, The proportion of goods damageds, useless pipe rate are all high, and cutting efficiency is low.

Utility model content

The utility model mainly solving the technical problems that, there is provided it is a kind of simple in construction, it is easy to operate, can greatly improve and cut Efficiency is cut, improves the pipe cutter of kerf quality.

To achieve the above object, the technical solution of the utility model is：

A kind of pipe cutter, includes the semicircle knife rests of two rotation connections, two knife rests fasten after by pipe cutting to be cut It is clamped in centre, cutter is installed on the knife rest, the cutter stretches out to the pipe cutting direction to be cut for being clamped in centre, two The knife rest is locked by latch-up structure, is provided with the handle gripped for hand described at least one of which on knife rest.

Further, cutter groove is provided with the handle, the cutter is arranged in cutter groove and from the knife rest wall of side Pass, a dismountable cover plate is set in the cutter groove.

Further, at least one positioning convex is provided with the inner surface of the knife rest, the positioning convex is clamping When act against on the outer surface of the pipe cutting to be cut.

Further, the positioning convex is arranged to multiple, and multiple positioning convex are arranged on the same of the knife rest In circumferential discontinuity, or set up separately in the different circumferential discontinuities of the knife rest.

Further, the pipe cutting to be cut is bellows, and ripple trend of the positioning convex along bellows is extended, The positioning convex is embedded in the groove of bellows during clamping.

Further, two knife rests are connected by axis of rotation.

Further, the latch-up structure is included from the outwardly directed elongated portion in the end of a knife rest, in the elongated portion On be provided with lock tooth, relative tooth of locking is provided with locking projections on the outer surface of another knife rest, and the locking projections, which fix, to exist Locking is realized in the lock tooth.

Further, the lock tooth set in the elongated portion is along the multiple of pipe cutting circumferential array to be cut.

Further, the end set of the elongated portion has the handgrip being upturned.

To sum up content, a kind of pipe cutter described in the utility model is not only simple in construction and easy to operate, as long as will Knife rest is clamped in the outside cutting for revolving the i.e. achievable pipe that turns around of pipe cutting to be cut, can greatly improve cutting efficiency, and can be significantly The quality of otch is improved, otch specification impulse- free robustness, the proportion of goods damageds and useless pipe rate can all reduce.

Brief description of the drawings

Fig. 1 is the utility model pipe cutter structural representation；

Fig. 2 is structural representation of the utility model pipe cutter under clamp position.

As depicted in figs. 1 and 2, knife rest 1, cutter 2, latch-up structure 3, elongated portion 3a lock tooth 3b, locking projections 3c, and hand is grabbed Portion 3d, handle 4, rotating shaft 5, cover plate 6, through hole 7, positioning convex 8.

Embodiment

The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings：

As depicted in figs. 1 and 2, a kind of pipe cutter, for cut be connected with new blower fan, dehumidifier, indoor apparatus of air conditioner it is new Airduct.Including two semicircle knife rests 1, it is rotatably connected together by rotating shaft 5 between two knife rests 1, two knife rests 1 fasten Through hole 7 is formed afterwards, and fresh wind tube (not shown) to be cut is installed through the through hole 7 when needing cutting, utilized Fresh wind tube to be cut is clamped in centre by two knife rests 1.

Cutter 2 is installed on knife rest 1, cutter 2 is passed from knife rest 1 and stretched out to the axis direction of through hole 7, i.e., in Between fresh wind tube direction stretch out, cut through the tube wall of fresh wind tube in cutting.It is provided with least one of which knife rest 1 for hand The handle 4 of gripping, operating personnel, which hold with a hand handle 4, can complete the cutting of fresh wind tube, not only facilitate operating personnel to operate, together When also ensure operating personnel's working security, it is safe and reliable.

In order to ensure cutter 2 in cutting can fixation, in the present embodiment, one is set in handle 4 in flat Cutter groove (not shown), cutter 2 are arranged in cutter groove, have opening on the wall of knife rest 1 of cutter groove side, and cutter 2 is from opening In pass and stretch in through hole 7, this structure can ensure that cutter 2 does not produce in cutting and rock, and effectively avoid repeating to cut The phenomenon cut, make otch specification smooth, and then ensure cut quality.The length that wherein cutter 2 stretches out can be open by limiting Size limit, can also be limited by setting position limiting structure between cutter groove and the cutter 2.In the present embodiment, in cutter groove 2 On also set up a dismountable cover plate 6, cover plate 6 is fixedly connected by structures such as screw or buckles with handle 4, for being convenient for changing Cutter 2.

At least one positioning convex 8 is provided with the inner surface of knife rest 1, positioning convex 8 is used to act against in clamping On the outer surface of fresh wind tube, in the present embodiment, positioning convex 8 is two or three preferably along the circumferentially disposed of fresh wind tube, to protect The fresh wind tube to be cut stable fixation in cutting is demonstrate,proved, and then ensures cut quality.Two or three positioning convex 8 can be set In the same circumferential discontinuity of knife rest 1, cutter 2 is arranged on the side of positioning convex 8；Can also be in two circumference of knife rest 1 One group of positioning convex 8 is set respectively on section, and every group includes two or three positioning convex 8, and cutter 2 is arranged on two groups of convexes Rise between 8.

Because fresh wind tube uses bellows more, in the present embodiment, more preferably positioning convex 8 along the ripple of bellows using walking To extended structure, when clamping bellows, two or three positioning convex 8 in same circumferential discontinuity are embedded in simultaneously In the groove of bellows, this way it is possible to avoid bellows to be cut moves radially, while bellows can also be avoided along axle To movement, ensure stability during cutting, effectively avoid repeating the phenomenon cut, make otch specification smooth, and then ensure cutting Quality.

Two knife rests 1 are locked after fastening by latch-up structure 3.Latch-up structure 3 is included from the end of a knife rest 1 to overhanging The elongated portion 3a gone out, is provided with lock tooth 3b on elongated portion 3a, locks tooth 3b relatively and is provided with the outer surface of another knife rest 1 Locking projections 3c, locking projections 3c fix realizes locking in lock tooth 3b.In the present embodiment, it is preferably provided on elongated portion 3a It is to adjust locking projections according to the caliber of fresh wind tube to be cut along the multiple of fresh wind tube circumferential array, operating personnel to lock tooth 3b The lock tooth 3b fixed needed for 3c position, makes the device go for the cutting of the fresh wind tube of different tube diameters, versatility is able to Improve.

The handgrip 3d being upturned is additionally provided with elongated portion 3a end, facilitates operating personnel's hand to catch handgrip 3d Realize the unblock or locking of two knife rests 1.

The cutting process of the pipe cutter is described below in detail：

1st, two knife rests 1 are enclosed on fresh air bellows to be cut first, and mutually fastened.

2nd, the lock tooth 3b on the extension 3a of side and the locking projections 3c on another outer surface of knife rest 1 are connected and fixed, Bellows is clamped in the through hole 7 surrounded by two knife rests 1, and now, positioning convex 8 is embedded in the groove of bellows real Now position.

3rd, for two knife rests 1 while snap lock, cutter 2 cuts through the tube wall of bellows, and one hand of operating personnel is held Fresh wind tube, another hand are held the handle 4 of pipe cutter, rotated a circle along the direction where blade, and cutter 2 can cut bellows It is disconnected.

4th, operating personnel hold handgrip 3d, and elongated portion 3a is lifted up, and make locking projections 3c from lock tooth 3b Abjection, two knife rests 1 separate, and take out the fresh wind tube after cutting.

The pipe cutter is simple in construction, easy to operate, as long as knife rest 1 to be clamped in the outside of fresh wind tube to be cut and rotation The cutting of fresh wind tube can be achieved in one circle, can not only greatly improve cutting efficiency, can also greatly improve the quality of otch, the proportion of goods damageds It can all be reduced with useless pipe rate, otch specification impulse- free robustness, the fitness of the pipe fitting with needing to connect improves, it is ensured that the sealing of pipeline Can, effectively avoid falling off during Pipe installing, the problem of leaking out.

As described above, the plan content with reference to given by accompanying drawing, can derive similar technical scheme.In every case it is not de- From the content of technical solutions of the utility model, above example is made according to the technical essence of the utility model any simple Modification, equivalent variations and modification, in the range of still falling within technical solutions of the utility model.

Claims

A kind of 1. pipe cutter, it is characterised in that：Include the semicircle knife rest of two rotation connections, two knife rests will after fastening Tube grip to be cut is provided with cutter in centre on the knife rest, and the cutter is to the pipe cutting direction to be cut for being clamped in centre Stretch out, two knife rests are locked by latch-up structure, are provided with what is gripped for hand described at least one of which on knife rest Handle.
2. pipe cutter according to claim 1, it is characterised in that：Cutter groove, the cutter peace are provided with the handle Passed in cutter groove and from the knife rest wall of side, a dismountable cover plate is set in the cutter groove.
3. pipe cutter according to claim 1, it is characterised in that：It is provided with the inner surface of the knife rest at least one Positioning convex, the positioning convex clamping when act against the pipe cutting to be cut outer surface on.
4. pipe cutter according to claim 3, it is characterised in that：The positioning convex is arranged to multiple, multiple described fixed Position is raised to be arranged in the same circumferential discontinuity of the knife rest, or is set up separately in the different circumferential discontinuities of the knife rest.
5. the pipe cutter according to claim 3 or 4, it is characterised in that：The pipe cutting to be cut is bellows, the convex Rise along the ripple of bellows and move towards to be extended, the positioning convex is embedded in the groove of bellows in clamping.
6. pipe cutter according to claim 1, it is characterised in that：Two knife rests are connected by axis of rotation.
7. pipe cutter according to claim 1, it is characterised in that：The latch-up structure include from the end of a knife rest to The elongated portion overhang, lock tooth is provided with the elongated portion, relative tooth of locking is provided with the outer surface of another knife rest Locking projections, the locking projections fix realizes locking in the lock tooth.
8. pipe cutter according to claim 7, it is characterised in that：The lock tooth set in the elongated portion is along to be cut Pipe circumferential array it is multiple.
9. pipe cutter according to claim 7, it is characterised in that：The end set of the elongated portion has the hand being upturned Grab portion.