CN201098755Y

CN201098755Y - Water pipe cutter

Info

Publication number: CN201098755Y
Application number: CNU2007202008272U
Authority: CN
Inventors: 李君祥
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-08-15
Filing date: 2007-08-15
Publication date: 2008-08-13
Anticipated expiration: 2017-08-15

Abstract

The utility model relates to water pipe cutting tools, in particular to a novel water pipe cutter. The water pipe cutter comprises a ratchet cutter rest mechanism to make intermittent one-way rotary cutting movement through the engagement of a ratchet and a pawl; a cutting device arranged on the ratchet cutter rest mechanism for clamping and cutting a water pipe in combination with the ratchet cutter rest mechanism; a crank handle mechanism arranged on the outer side of the ratchet cutter rest mechanism for driving the pawl to make the ratchet cutter rest mechanism rotating, wherein the handle of the crank handle mechanism is also the handle of a cutter feeding mechanism; and the cutter feeding mechanism arranged at the center of the crank handle mechanism and the ratchet cutter rest mechanism, wherein one end of the cutter feeding handle is connected with the crank handle mechanism and the other end is connected with a cutter feeding screw on the ratchet cutter rest mechanism. The water pipe cutter has the advantages of convenient design and operation, power-saving, and greatly reduced work intensity, and can achieve water-pipe cutting operation without the need of professionals.

Description

The water pipe cutter

Technical field

The utility model relates to the water pipe cutting tool, refers in particular to a kind of novel water pipe cutter.

Background technology

A kind of manually-operated cutting knife is arranged in the present water pipe cutting tool, and it must cut in 360 degree rotations, and working strength is very big, and buried water pipe can not carry out cutting operation.Chinese patent CN2585729 discloses a kind of technical scheme, and its structure is: be made up of fixed main body bull wheel, rotary large wheel, power set and cutter sweep; The top of fixed main body bull wheel and bottom are equipped with steel pipe holding frame and following steel pipe holding frame respectively; Last steel pipe holding frame one side is fixed with upper pressure wheel, opposite side is installed power set; In a side of rotary large wheel cutter sweep is installed, opposite side and cutter sweep are equipped with balancing weight with weight such as cutter sweep at another point of same diameter; The rotary large wheel frame is on the fixed main body bull wheel, and upper pressure wheel is pressed on the rotary large wheel; Power set are connected with rotary large wheel.This cutting machine structure complexity, operation inconvenience, and can not suit to carry out work because of ground.

Summary of the invention

The purpose of this utility model is improved, is innovated at shortcoming that exists in the background technology and problem, and a kind of simple in structure, stable performance is provided, easy to operate water pipe cutter.

The technical solution of the utility model is: construct a kind of cutter that comprises following structure:

The ratchet cutter frame mechanism forms intermittently unidirectional rotation cutting movement by the ratchet and pawl cooperation, also is provided with cutter sweep on the ratchet cutter frame mechanism, is cooperated by ratchet cutter frame mechanism and cutter sweep the water pipe clamping is cut;

Rocking handle mechanism is used to drive ratchet and makes the rotation of ratchet cutter frame mechanism, and wherein the handle of rocking handle mechanism also is the delivering gear handle, and rocking handle mechanism is located at the outside of ratchet cutter frame mechanism;

Delivering gear is arranged on the center of rocking handle mechanism and ratchet cutter frame mechanism, and wherein feed handle one end connects rocking handle mechanism, and the other end connects the feed screw rod that is located on the ratchet cutter frame mechanism.

The beneficial effects of the utility model are:

The utility model can cut removable and the fixedly cutting of the water pipe that buries of water pipe, particularly deep fill, during water pipe that the cutting deep fill buries, with the fixing water pipe of cutter, only needs waggle cutter handgrip, the cutter ratchet is rotated just can be easy to cut off water pipe.The utility model structural design is easy to operate, laborsaving, and working strength reduces greatly; The operator does not need the professional person just can finish water pipe cutting work.

Description of drawings

Fig. 1 is the utility model overall appearance structure chart

Fig. 2 is Fig. 1 decomposition chart

Fig. 3 is Fig. 2 decomposition chart

Fig. 4 is Fig. 3 decomposition chart

Fig. 5 is Fig. 4 decomposition chart

The specific embodiment

By Fig. 1 to 5 as can be known, the utility model comprises:

Ratchet cutter frame mechanism 1 forms intermittently unidirectional rotation cutting movement by ratchet 11 and ratchet 12 cooperations, also is provided with cutter sweep 10 on the ratchet cutter frame mechanism 1, is cooperated by ratchet cutter frame mechanism 1 and cutter sweep 10 the water pipe clamping is cut;

Rocking handle mechanism 2 is used to drive ratchet 12 and makes 1 rotation of ratchet cutter frame mechanism, and wherein the handle 21 of rocking handle mechanism 2 also is the delivering gear handle, and rocking handle mechanism 2 is located at the outside of ratchet cutter frame mechanism 1;

Delivering gear 3 is arranged on the center of rocking handle mechanism 2 and ratchet cutter frame mechanism 1, and wherein feed handle 21 1 ends connect rocking handle mechanism 2, and the other end connects the feed screw rod 31 that is located on the ratchet cutter frame mechanism 1.

As shown in Figure 2, ratchet cutter frame mechanism 1 described in the utility model is two ratchets, pawl structures, ratchet 11 symmetries are located at wheel body 13 both sides, and ratchet 11 and wheel body 13 are overall structure, but ratchet cutter frame mechanism 1 is provided with the arc section 21 of a folding, be used to insert and be cut pipe fitting, one place, wheel body 13 centers is provided with a screwed hole 13, is used to assemble feed screw rod 31.

As shown in Figure 2, but arc section 121 1 ends of folding described in the utility model are made as rotation opening-closing structure uneven and that connected by pin 1211, and the other end is made as Z-shaped step and takes mouthfuls 1212.

By Fig. 1,5 as can be known, cutter sweep 10 described in the utility model comprises cutter head 101, blade 102, pipe fitting carrying roller 103, wherein cutter head 101 tops be provided with can 360 the neck 1011 of degree rotation, Head and Neck is provided with a scrobicular ring 1012, be used for pinning with pin 1013 after neck 1011 is inserted in feed screw rod 31 ends, blade 102 is fixing by pin 1014; Pipe fitting carrying roller 103 is located in the wheel body 12 of ratchet knife rest 1, is used for supporting and is cut pipe fitting.

As shown in Figure 3, rocking handle mechanism 2 described in the utility model comprises handle 21, handle sleeve 22, rocking handle guide ring 23, wherein handle 21 is located in the handle sleeve 22, handle sleeve 22 is formed cylindrical shell by two semi arches, handle sleeve 22 bottoms connect rocking handle guide ring 23 by connecting rod 24; rocking handle guide ring 23 is enclosed within on the ratchet 11, and an end connects ratchet 12 by a pin 25.

As shown in Figure 4, delivering gear 3 described in the utility model comprises handle 21, return spring 32, feed screw rod 31, wherein return spring 32 is enclosed within on the handle 21, handle 21 and return spring 32 are contained in the handle sleeve 22 together, handle 21 middle parts are provided with a spring washer 211, be used to compress spring, handle 21 bottoms are provided with square nut 212 in, are used to cover on the square toes screw rod end rotation feed screw rod of feed screw rod 31.

Principle of the present utility model and process structure:

The utility model is by the ratchet cutter frame mechanism, rocking handle mechanism, and the delivering gear three parts are formed; Behind the cutter sweep precession ratchet cutter frame mechanism screwed hole of delivering gear, rocking handle mechanism ratchet wheel body two rear flank of packing into, cutter just can form an integral body like this, sees Fig. 1, can cut water pipe or tubular articles again; (upper end was provided with the concaveconvex shape end after the ratchet wheel body arc section rotated opening-closing structure when opening, connect by pin, the other end is established " Z " word and is taken mouth, so that the complete circular ratchet knife rest of formation of opening-closing structure better rotates the ratchet knife rest), the tubular articles that cut is placed on the pipe fitting carrying roller of ratchet wheel body inboard, press the handle of rocking handle mechanism again, make handle bottom square nut cover on the square toes screw rod end of feed screw rod, and precession feed screw rod, the pipe fitting that cuts up to compressing; Decontrol handle again, make behind the handle return (because of the return spring of having packed in advance in the handle sleeve, and the handle middle part is provided with a fixing spring packing ring, be used to compress spring or spring and make the handle return), waggle rocking handle mechanism again, wherein the handle on the rocking handle promptly is the feed instrument, be again the instrument of driving pawl knife rest; after the ratchet on the rocking handle mechanism blocked tooth on the ratchet, can make ratchet cutter frame mechanism and feed arrangement had been the center with the pipe fitting that is cut, with intermittently unidirectional rotatablely moving; behind several circles of rotation; after the pipe fitting that feed arrangement and pipe fitting carrying roller fold is lax, repeat above-mentioned operation so again, till the pipe fitting that will a cut cut-out.

Embodiment described in the utility model only is the description that preferred implementation of the present utility model is carried out; be not that the utility model design and scope are limited; do not breaking away under the preceding topic of the utility model design philosophy; engineers and technicians make the technical solution of the utility model in this area various modification and improvement; all should fall into protection domain of the present utility model; the technology contents that the utility model is asked for protection all is documented in claims.

Claims

1. water pipe cutter is characterized in that comprising:

Ratchet cutter frame mechanism (1), form intermittently unidirectional rotation cutting movement by ratchet (11) and ratchet (12) cooperation, also be provided with cutter sweep (10) on the ratchet cutter frame mechanism (1), cooperate by ratchet cutter frame mechanism (1) and cutter sweep (10) the water pipe clamping is cut;

Rocking handle mechanism (2) is used to drive ratchet (12) and makes ratchet cutter frame mechanism (1) rotation, and wherein the handle (21) of rocking handle mechanism (2) also is the delivering gear handle, and rocking handle mechanism (2) is located at the outside of ratchet cutter frame mechanism (1);

Delivering gear (3) is arranged on the center of rocking handle mechanism (2) and ratchet cutter frame mechanism (1), and wherein feed handle (21) one ends connect rocking handle mechanism (2), and the other end connects the feed screw rod (31) that is located on the ratchet cutter frame mechanism (1).

2. water pipe cutter according to claim 1, it is characterized in that described ratchet cutter frame mechanism (1) is two ratchets, pawl structures, ratchet (11) symmetry is located at wheel body (13) both sides, and ratchet (11) and wheel body (13) are overall structure, ratchet cutter frame mechanism (1) but be provided with the arc section (121) of a folding, be used to insert and be cut pipe fitting, one place, wheel body (13) center is provided with a screwed hole (131), is used to assemble feed screw rod (31).

3. water pipe cutter according to claim 2, but arc section (121) one ends that it is characterized in that described folding are made as rotation opening-closing structure uneven and that connected by pin (1211), and the other end is made as Z-shaped step and takes (1212).

4. water pipe cutter according to claim 1, it is characterized in that described cutter sweep (10) comprises cutter head (101), blade (102), pipe fitting carrying roller (103), wherein cutter head (101) top be provided with can 360 the neck (1011) of degree rotation, Head and Neck is provided with a scrobicular ring (1012), be used for pinning with pin (1013) after neck (1011) is inserted in feed screw rod (31) end, blade (102) is fixing by pin (1014); Pipe fitting carrying roller (103) is located in the wheel body (12) of ratchet knife rest (1), is used for supporting and is cut pipe fitting.

5. water pipe cutter according to claim 1, it is characterized in that described rocking handle mechanism (2) comprises handle (21), handle sleeve (22), rocking handle guide ring (23), wherein handle (21) is located in the handle sleeve (22), handle sleeve (22) is formed cylindrical shell by two semi arches, handle sleeve (22) bottom connects rocking handle guide ring (23) by connecting rod (24); rocking handle guide ring (23) is enclosed within on the ratchet (11), and an end connects ratchet (12) by a pin (25).

6. water pipe cutter according to claim 1, it is characterized in that described delivering gear (3) comprises handle (21), return spring (32), feed screw rod (31), wherein return spring (32) is enclosed within on the handle (21), handle (21) and return spring (32) are contained in the handle sleeve (22) together, handle (21) middle part is provided with a spring washer (211), be used to compress spring, handle (21) bottom is provided with square nut (212) in, is used to cover on the square toes screw rod end rotation feed screw rod of feed screw rod (31).