CN112928704A

CN112928704A - Connector cutting device for cable connection

Info

Publication number: CN112928704A
Application number: CN202110164763.XA
Authority: CN
Inventors: 丁丽萍; 张春友
Original assignee: Quantong Cable Ltd By Share Ltd
Current assignee: Quantong Cable Ltd By Share Ltd
Priority date: 2021-02-06
Filing date: 2021-02-06
Publication date: 2021-06-08
Anticipated expiration: 2041-02-06
Also published as: CN112928704B

Abstract

The utility model relates to a cable junction is with connecting cutting device relates to an instrument for cable, including two clamp bodies, two clamp bodies are established through the articulated shaft that locates the tip and are rotated the connection, two clamp bodies are fixed with the cutter respectively, the cutting edge of cutter is semi-circular, the cutting edge of two cutters is just right each other, it is provided with vice sword to slide on the clamp body, vice sword is located the length direction both ends of cutter cutting edge, the surperficial sliding contact of vice sword and cutter, the slip direction of vice sword is towards another clamp body, vice sword is connected with the handle. The cutter comprises two sub-cutters, the two sub-cutters enable the two cutting edges to be contacted and abutted tightly through elasticity, an inserting cavity is formed between the two sub-cutters, and the sub-cutters are located in the inserting cavity. The cutting device can realize the complete cutting of the sheath of the cable; the auxiliary knife is arranged between the two sub-knives, so that the cutting-off of the cable sheath is further promoted; the connector quality when the cable is connected is improved, the cutting device is convenient to operate manually, and the cutting device can reset automatically after the operation is completed.

Description

Connector cutting device for cable connection

Technical Field

The present invention relates to a tool for a cable, and more particularly, to a connector cutting device for cable connection.

Background

The cable is an article with a metal wire wrapped by plastic or rubber sheath, and is a basic element of an electric appliance and a power supply system. When the cables need to be connected and electrified, the end heads of the cables need to be cut off to strip the wires, and then the metal wires of the cables are wound together. The cutting of the cable joint can be completed by scissors or a special tool.

The patent of the Chinese utility model with the publication number of CN204068078U discloses a hand-held cable stripping cutter, which comprises an upper die frame and a lower die frame which are rotationally connected, wherein an upper section die is fixed on the upper die frame, and a first stripping type groove and a second stripping type groove are arranged on the upper section die; a first cutting groove is arranged between the first peeling type groove and the second peeling type groove, a second cutting groove is arranged on the other side of the second peeling type groove, and a cutting knife is arranged at the diameter position of the notch of the semicircular groove of the cutting groove; a lower section die is fixed on the lower die frame.

In the related technology, the outer skin of the cable is cut off by two oppositely arranged cutters in a shearing mode; however, some cables have high sheath toughness and high ductility, and it is difficult to completely cut the sheath of the cable at the end positions of the two cutters.

Disclosure of Invention

The present application provides a connector cutting device for cable connection in order to completely cut a cable sheath.

The application provides a cable junction is with connecting cutting device adopts following technical scheme:

the utility model provides a cable junction is with connecting cutting device, includes two clamp bodies, and two clamp bodies are established through the articulated shaft one of locating the tip and are rotated the connection, two the clamp body is fixed with the cutter respectively, the cutting edge of cutter is semi-circular, and the cutting edge of two cutters is just right each other, it is provided with vice sword to slide on the clamp body, vice sword is located the length direction both ends of cutter cutting edge, the surperficial sliding contact of vice sword and cutter, the slip direction of vice sword is towards another clamp body, vice sword is connected with the handle.

Through adopting above-mentioned technical scheme, personnel get the cable of treating the cut end, penetrate the cable between two clamp bodies, aim at the cutting edge of cutter with the position that the cable was treated the cut. The personnel hand two clamp bodies, press the clamp body and make two clamp bodies be close to, two cutters also are close to each other, and the sheath of cable is cut off through the shearing force to the cutter, and at this moment, the cable can't be cut off completely between the cutting edge tip of cutter. Then, a person presses the handle through the action of hands, the handle drives the auxiliary knife to move towards the cable direction, the auxiliary knife moves along the cutter, and the connecting part of the cable sheath is finally cut off, so that the cable sheath is completely cut off.

Optionally, the cutting knife includes two sub-knives, the two sub-knives contact and abut against the two cutting edges through elasticity, the cutting edge contact lines of the two sub-knives are semicircular, the distance between the sub-knives gradually expands along the direction departing from the cutting edges, the included angle between the two sub-knives is an acute angle, an inserting cavity is formed between the two sub-knives, and the sub-knives are located in the inserting cavity.

By adopting the technical scheme, when the cutter cuts the cable sheath, the auxiliary cutter moves towards the cable direction and extends out of the two auxiliary cutters to finally cut off the connecting part of the cable sheath. In the process of cutting the cable sheath by the auxiliary knife, the cable sheath on two sides of the auxiliary knife is clamped by the two pairs of sub-knives, so that the final joint of the sheath can be easily and reliably cut by the auxiliary knife. When the auxiliary knife extends out of the space between the two sub-knives, the cutting edges of the two sub-knives are separated, and the cutting edges drive the cut-off part of the sheath to be separated, so that the cable sheath is further promoted to be cut off.

Optionally, the handle connects and fixes two auxiliary knives of the same clamp body, the clamp body is provided with a sliding groove towards the auxiliary knives, and the auxiliary knives are connected with the sliding groove in a sliding manner through side walls.

Through adopting above-mentioned technical scheme, only establish one by the handle, can drive two vice swoves simultaneously and remove when personnel operate handle. Through setting up the spout, improved the sliding stability of vice sword.

Optionally, the cutter is fixed with a supporting block, a spring is arranged between the supporting block and the handle, and the elastic force of the spring drives the handle to be away from the cutting edge of the cutter.

By adopting the technical scheme, after the cable is cut off, the handle and the auxiliary knife can automatically reset under the elastic action of the spring, so that the next operation is facilitated.

Optionally, the clamp body is hinged with a pressing plate, the pressing plate and the clamp body are hinged through a second hinge shaft, the second hinge shaft is parallel to the first hinge shaft, and the pressing plate can be in contact with the end portion of the handle deviating from the auxiliary knife through rotation so as to drive the auxiliary knife to slide.

Through adopting above-mentioned technical scheme, the clamp plate can pass through lateral wall contact handle lateral wall after rotating, and then orders about vice sword and slide, can form the lever like this, makes the process that vice sword cut off the sheath comparatively laborsaving.

Optionally, a movable block is hinged to the end, away from the clamp body, of the pressing plate, a third hinge shaft is arranged between the movable block and the pressing plate to establish hinge joint, and the third hinge shaft is parallel to the second hinge shaft; the end of the movable block, which deviates from the pressing plate, is provided with an embedded groove for fingers to be embedded.

Through adopting above-mentioned technical scheme, when using this cutting device, two clamp bodies can be handheld to personnel, operate through stretching into the caulking groove with the finger. On one hand, the clamp bodies can be close to each other by the mode, and the cutting of the cutter to the cable is realized; on the other hand, the movable block is moved towards the handle direction by the action of the hand, the pressing plate rotates towards the handle direction, the pressing plate is further abutted against the handle, and the handle drives the auxiliary knife to move towards the cable direction to further cut off the cable. In the action process of the movable block, the fingers can be embedded in the caulking grooves all the time, so that the operation is convenient.

Optionally, the clamp body is provided with a limiting surface for abutting against the side wall of the pressing plate, and the limiting surface limits the pressing plate to rotate towards one side departing from the handle.

Through adopting above-mentioned technical scheme, spacing face restriction clamp plate rotates to the one side that deviates from the handle, improves the degree of convenience of the handheld clamp body operation of personnel. When the hinged shaft is placed in the palm, the operation of the cutting device can be completed by one hand.

Optionally, the two opposite sides of the clamp body are respectively provided with a lead frame, the opposite surfaces of the two lead frames are provided with a lead groove for placing cables, and the groove wall of the lead groove is an arc surface.

By adopting the technical scheme, when the cutting device is used, a cable penetrates between the two clamp bodies and is arranged in the wire guide groove. After the two clamping bodies are buckled, the two lead frames play a limiting role in the radial direction of the cable through the lead grooves, so that the cable is prevented from deviating when the cutter cuts the cable.

Optionally, an articulated shaft overcoat is equipped with the torsional spring, two clamps of both ends difference butt of torsional spring, the elasticity of torsional spring orders about two clamps and keeps away from each other.

Through adopting above-mentioned technical scheme, accomplish after cutting off the cable, under the elasticity effect of torsional spring, two clamp physical stamina automatic rotation reset, convenient next operation.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the cutting device can realize the complete cutting of the sheath of the cable;

2. the auxiliary knife is arranged between the two sub-knives, so that the cutting-off of the cable sheath is further promoted;

3. the cutting device is convenient for manual operation and can automatically reset after the operation is completed.

Drawings

Fig. 1 is a perspective view of a connector cutting device for cable connection according to an embodiment.

FIG. 2 is an exploded view of the cutter and the counter-cutter of the embodiment.

Fig. 3 is a partial exploded view of the embodiment.

Fig. 4 is a sectional view of a cutter portion of the embodiment.

Description of reference numerals: 1. a clip body; 11. a first hinge shaft; 111. a torsion spring; 2. a cutter; 12. a lead frame; 121. a wire guide groove; 21. inserting a cavity; 3. a secondary knife; 13. a chute; 31. a handle; 22. a support block; 23. a spring; 4. pressing a plate; 41. a second hinge shaft; 42. a movable block; 43. a third hinge shaft; 421. caulking grooves; 14. a limiting surface.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a connector cutting device for cable connection. Referring to fig. 1, the joint cutting device for cable connection includes two clamp bodies 1, and the two clamp bodies 1 establish a pivotal connection by means of a hinge shaft one 11 provided at an end portion. A11 overcoat of articulated shaft is equipped with torsional spring 111, and two clamp 1 of butt respectively at the both ends of torsional spring 111, and two clamp 1 are driven away from each other to the elasticity of torsional spring 111. The two clamps 1 are respectively fixed with a cutter 2, the cutting edges of the two cutters 2 are opposite to each other, and the cutting edges of the cutters 2 are semicircular.

The elasticity of the torsion spring 111 makes the two clamp bodies 1 in an open state, and a person can apply force to the clamp bodies 1 to make the two clamp bodies 1 overcome the elasticity of the torsion spring 111 to be buckled, and at the moment, the cutting edges of the two cutters 2 are combined into a circle. The lead frames 12 are respectively fixed on the opposite sides of the two clamps 1, the opposite surfaces of the two lead frames 12 are provided with a wire guide groove 121 for placing cables, the groove wall of the wire guide groove 121 is an arc surface, the arc surface is a part of a cylindrical surface, and the central angle of the arc surface corresponding to the cylindrical surface is less than 90 degrees. The wire groove 121 penetrates through both ends of the lead frame 12, and the end of the wire groove 121 in the length direction is opposite to the center of the blade of the cutter 2. After the two clamping bodies 1 are buckled, the two lead frames 12 play a role in limiting the radial direction of the cable through the lead groove 121, so that the cable is prevented from deviating when the cutter 2 cuts the cable.

Referring to fig. 2 and 3, the cutting knife 2 on each clip body 1 comprises two identical sub-knives made of steel sheets, and the sub-knives are fixedly connected with the corresponding clip bodies 1. The cutting edge of the cutter 2 is formed by combining the cutting edges of two sub-cutters, the two cutting edges of the two sub-cutters are tightly contacted through elasticity, and the cutting edge contact lines of the two sub-cutters are semicircular. The distance between the sub-knives is gradually enlarged along the direction departing from the cutting edge, so that the included angle between the two sub-knives is an acute angle, the acute angle is less than 30 degrees, and an inserting cavity 21 is formed between the two sub-knives.

The insert cavity 21 is internally provided with the auxiliary knives 3, the auxiliary knives 3 are positioned at two ends of the cutting edge of the cutting knife 2 in the length direction, specifically, the end part of the cutting knife 2 in the length direction is positioned in the middle of the cutting edge of the auxiliary knife 3, and two knife surfaces of the auxiliary knife 3 are respectively in sliding contact with the cutting edges of the two auxiliary knives. The clamp body 1 is provided with a sliding groove 13 facing the auxiliary knife 3, the auxiliary knife 3 is connected with the sliding groove 13 in a sliding way through a side wall, the sliding direction of the auxiliary knife 3 faces the other clamp body 1, and the sliding direction of the auxiliary knife 3 is consistent with the direction of the cutting edge.

The end part of the auxiliary knife 3 departing from the knife edge is connected with a handle 31, the handle 31 connects and fixes the two auxiliary knives 3 of the same clamp body 1, and the handle 31 is positioned outside the inserting cavity 21. The supporting block 22 is fixed on the surface of the two sub-knives opposite to each other, the spring 23 is arranged between the supporting block 22 and the handle 31, two ends of the spring 23 are respectively propped against the side walls of the supporting block 22 and the handle 31, the handle 31 is driven by the elastic force of the spring 23 to be far away from the cutting edge of the cutter 2, and the cutting edge of the sub-knife 3 does not enter between the cutting edges of the two sub-knives. When the handle 31 moves towards the other clamp body 1, the cutting edges of the auxiliary knife 3 penetrate between the cutting edges of the two sub-knives and drive the cutting edges of the two sub-knives to be separated.

Referring to fig. 3 and 4, the pressing plate 4 is hinged to the clamp body 1, the pressing plate 4 and the clamp body 1 are hinged through a second hinge shaft 41, the second hinge shaft 41 is parallel to the first hinge shaft 11, and the second hinge shaft 41 is located on one side of the handle 31, which is far away from the first hinge shaft 11. The pressing plate 4 can contact the side wall of the handle 31 through the side wall after rotating, and further drives the auxiliary knife 3 to slide. The end part of the pressing plate 4, which is far away from the clamp body 1, is hinged with a movable block 42, the movable block 42 and the pressing plate 4 are hinged by arranging a third hinging shaft 43, and the third hinging shaft 43 is parallel to the second hinging shaft 41; the end of the movable block 42 facing away from the pressure plate 4 is provided with a caulking groove 421 for the finger to be inserted. The movable block 42 is strip-shaped, the length directions of the movable block 42 and the caulking groove 421 are parallel to the axial direction of the hinge shaft III 43, and the caulking groove 421 can be used for a plurality of fingers to simultaneously extend into. The clamp body 1 is provided with a limiting surface 14 used for abutting against the side wall of the pressing plate 4, the limiting surface 14 is positioned on one side of the second hinge shaft 41 departing from the handle 31, and the limiting surface 14 limits the pressing plate 4 to rotate towards one side departing from the handle 31.

The implementation principle of the connector cutting device for cable connection in the embodiment of the application is as follows: under the action of the elastic force of the spring 23, the two clamp bodies 1 are in an open state, and the cutting knife 2 and the auxiliary knife 3 of the two clamp bodies 1 are also in a state of being away from each other. The person takes the cable at the end to be cut, penetrates the cable between the two clamp bodies 1 and places the cable in the wire guide groove 121, and the position where the cable is to be cut is aligned with the blade of the cutter 2.

The person holds the two holders 1 and operates them by inserting their fingers into the insertion grooves 421. When the pressing plate 4 abuts against the limiting surface 14, the movable block 42 is pressed in the direction in which the two clamp bodies 1 approach each other, so that the two clamp bodies 1 approach each other, the two cutters 2 approach each other, and the cutters 2 cut the sheath of the cable by the shearing force, at this time, the cable may not be completely cut between the blade ends of the cutters 2. Then, the person moves the movable block 42 in the direction of the handle 31 by the action of the hand, the pressing plate 4 rotates in the direction of the handle 31, the pressing plate 4 further abuts against the handle 31, the handle 31 drives the auxiliary knife 3 to move in the direction of the cable, the auxiliary knife 3 extends out from between the two auxiliary knives, and the connecting part of the cable sheath is finally cut off.

In the process of cutting the cable sheath by the auxiliary blade 3, since the cable sheath on both sides of the auxiliary blade 3 is clamped by the two pairs of auxiliary blades, the auxiliary blade 3 can easily and reliably cut the final joint of the sheath. When the auxiliary knife 3 extends out of the space between the two sub-knives, the cutting edges of the two sub-knives are separated, and the cutting edges drive the cut-off part of the sheath to be separated, so that the cable sheath is further promoted to be cut off.

In the action process of the movable block 42, the fingers can be always embedded in the caulking grooves 421, so that the operation is convenient; in the cutting process, the movement of the cutter 2 and the auxiliary cutter 3 does not pass through the force transmission of the elastic part, and the movement amount of the fingers of a person is directly proportional to the movement amount of the cutter 2 or the auxiliary cutter 3, so that the occurrence rate of the situation of cutting the cable continuously can be reduced. After the hand is loosened, the clamp body 1 can automatically reset under the action of the torsion spring 111, the auxiliary knife 3 can automatically reset under the action of the spring 23, and the cutting edges of the two auxiliary knives restore to a contact state under the action of the elastic force of the two auxiliary knives.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a cable junction is with connecting cutting device, includes two clamp (1), and two clamp (1) are established through articulated shaft (11) of locating the tip and are rotated the connection, two clamp (1) is fixed with cutter (2) respectively, the cutting edge of cutter (2) is semi-circular, and the cutting edge of two cutters (2) is just right each other, its characterized in that: the utility model discloses a cutter, including clamp (1), slip on the clamp (1) and be provided with vice sword (3), length direction both ends that vice sword (3) are located cutter (2) cutting edge, the surperficial sliding contact of vice sword (3) and cutter (2), the slip direction of vice sword (3) is towards another clamp (1), vice sword (3) are connected with handle (31).

2. A connector cutting device for cable connection according to claim 1, wherein: the cutting knife (2) comprises two sub-knives, the two cutting edges of the two sub-knives are in contact and abut against each other through elasticity, the cutting edge contact lines of the two sub-knives are semicircular, the distance between the sub-knives is gradually enlarged along the direction departing from the cutting edges, the included angle between the two sub-knives is an acute angle, an inserting cavity (21) is formed between the two sub-knives, and the sub-knives (3) are located in the inserting cavity (21).

3. A connector cutting device for cable connection according to claim 1, wherein: the handle (31) connects and fixes two auxiliary knives (3) of the same clamp body (1), the clamp body (1) is provided with a sliding groove (13) towards the auxiliary knives (3), and the auxiliary knives (3) are connected with the sliding groove (13) in a sliding mode through side walls.

4. A connector cutting device for cable connection according to claim 3, wherein: the cutting knife is characterized in that a supporting block (22) is fixed on the cutting knife (2), a spring (23) is arranged between the supporting block (22) and the handle (31), and the handle (31) is driven to be away from the cutting edge of the cutting knife (2) by the elastic force of the spring (23).

5. A connector cutting device for cable connection according to claim 3, wherein: articulated on clamp (1) have clamp plate (4), establish articulated through setting up articulated shaft two (41) between clamp plate (4), clamp (1), articulated shaft two (41) are parallel with articulated shaft one (11), clamp plate (4) can deviate from the tip of vice sword (3) through rotating contact handle (31), and then orders about vice sword (3) and slide.

6. The connector cutting device for cable connection according to claim 5, wherein: the end part, deviating from the clamp body (1), of the pressing plate (4) is hinged with a movable block (42), the movable block (42) and the pressing plate (4) are hinged through a third hinged shaft (43), and the third hinged shaft (43) is parallel to the second hinged shaft (41); the end part of the movable block (42) departing from the pressure plate (4) is provided with a caulking groove (421) for fingers to be embedded.

7. The connector cutting device for cable connection according to claim 6, wherein: the clamp body (1) is provided with a limiting surface (14) used for abutting against the side wall of the pressing plate (4), and the pressing plate (4) is limited by the limiting surface (14) to rotate towards one side departing from the handle (31).

8. A connector cutting device for cable connection according to claim 1, wherein: the lead frames (12) are respectively arranged on the opposite sides of the two clamping bodies (1), the opposite surfaces of the two lead frames (12) are provided with lead grooves (121) for placing cables, and the groove walls of the lead grooves (121) are arc surfaces.

9. A connector cutting device for cable connection according to claim 1, wherein: articulated shaft (11) overcoat is equipped with torsional spring (111), two clamp (1) of both ends butt respectively of torsional spring (111), the elasticity of torsional spring (111) orders about two clamp (1) and keeps away from each other.