CN224183129U - Multi-functional electrician's knife - Google Patents

Abstract

The utility model relates to the technical field of cable stripping and cutting, and discloses a multifunctional electrician knife which comprises a knife handle and a knife blade, wherein the knife handle comprises a first holding part and a second holding part which are connected in a sliding mode, the knife blade is positioned between the first holding part and the second holding part and is fixedly connected with the first holding part, the first holding part and the second holding part are provided with a first position close to each other and a second position far away from each other along the cutting direction of the knife blade, when the first holding part and the second holding part are positioned at the first position, the knife edge of the knife blade is abutted to the second holding part to be in a working state, and when the first holding part and the second holding part are positioned at the second position, the knife edge of the knife blade and the second holding part are positioned at a non-working state.

Description

Multifunctional electrician knife

Technical Field

The utility model relates to the technical field of cable stripping and cutting, in particular to a multifunctional electrician knife.

Background

In the use of traditional electrician's sword, because blade exposure area is too big, increased the risk of operating personnel when handling operations such as electric wire, cable. Particularly, in some working environments with narrow space, difficult deployment or insufficient light conditions, because of limited sight lines or narrow operation space, the risk of accidental injuries such as accidental cutting of fingers, skin scratching and the like by the blade is obviously increased, and serious threat is formed to the safety of operators.

Disclosure of utility model

In view of the above, the utility model provides a multifunctional electrician knife to solve the problem that the knife blade is easy to cause accidental injury to operators under the environment of limited sight or narrow operation space.

The utility model provides a multifunctional electrician knife which comprises a knife handle and a knife blade, wherein the knife handle comprises a first holding part and a second holding part which are connected in a sliding mode, the knife blade is located between the first holding part and the second holding part and is fixedly connected with the first holding part, the first holding part and the second holding part are provided with a first position close to each other and a second position far away from each other along the cutting direction of the knife blade, when the first holding part and the second holding part are located at the first position, the knife edge of the knife blade is in a working state in a propping mode with the second holding part, and when the first holding part and the second holding part are located at the second position, the knife edge of the knife blade is in a non-working state in a separating mode with the second holding part.

The movable knife blade has the advantages that the knife blade is effectively protected by arranging the first holding part and the second holding part, the knife edge of the knife blade is prevented from being exposed outside, so that the safety risk caused by accidental contact is greatly reduced, accidental injury to operators caused by the knife blade can be avoided even under the environment of limited sight or narrow operation space, and due to the fact that the knife blade is fixedly connected with the first holding part, along with the relative movement between the first holding part and the second holding part, the knife blade and the second holding part can be moved close to and away from each other, the switch from the non-working state to the working state and the return from the working state to the non-working state are realized, the use safety is improved, and the operation convenience is enhanced.

In an alternative embodiment, the sliding clamping assembly further comprises a first clamping part and a second clamping part, wherein the first clamping part is fixedly connected with the first holding part, the second clamping part is fixedly connected with the second holding part, is slidably connected with the first clamping part and has a clamping position locked with the first clamping part and a separating position unlocked with the first clamping part, the second clamping part is located at the clamping position when the first holding part and the second holding part are located at the first position, and the second clamping part is located at the separating position when the first holding part and the second holding part are located at the second position.

The wire stripping device has the beneficial effects that as the first holding part and the second holding part are positioned at the clamping position when being positioned at the specific first position, the fixing of the position of the blade is realized, the blade can be kept stable in the wire stripping operation process, and the blade cannot slide or deviate from the preset position due to accidental movement. When the first holding part and the second holding part are moved to the second position, the second clamping part is in the separating position, so that the blade and the second holding part can be separated, and the cable after stripping is facilitated to be taken out. Through the position change of the first holding part and the second holding part and the clamping and separating function of the second clamping part linked with the first holding part and the second holding part, the flexible control of the position of the blade is realized, and the convenience and the safety of wire stripping operation are greatly improved.

In an alternative embodiment, a sliding hole is formed in the first clamping portion, the second clamping portion comprises a first connecting column and a clamping piece, one end of the first connecting column is fixed with the second holding portion, the other end of the first connecting column is arranged in the sliding hole in a sliding mode, the clamping piece is arranged on the periphery of the first connecting column in a protruding mode, when the second clamping portion is located at the clamping position, the clamping piece is located in the sliding hole and is clamped with the first clamping portion, and when the second clamping portion is located at the separating position, the clamping piece and the first clamping portion are separated from each other.

The clamping piece is positioned in the sliding hole and forms a firm clamping relationship with the first clamping part when the second clamping part is positioned at the clamping position, so that the tight connection between the first clamping part and the second clamping part is ensured, and the clamping piece is separated from the first clamping part when the second clamping part is positioned at the separating position, so that the clamping relationship between the first clamping part and the second clamping part is relieved, and the separation between the first clamping part and the second clamping part is realized.

In an alternative embodiment, the sliding clamping assembly further includes an elastic member, where the elastic member is located on a side of the first clamping portion, where the side is close to the second holding portion, one end of the elastic member is fixed to the first clamping portion, and the other end of the elastic member is fixed to the first connecting post, where the elastic member is in a compressed state when the second clamping portion is in the clamping position, and where the elastic member is in the extended state when the second clamping portion is in the separating position.

The elastic member is arranged to provide elastic force for the expansion pipe far away from the second holding part, when the clamping member is in the unlocking position, the first clamping part can be pushed to move continuously in the direction far away from the second holding part under the elastic force of the elastic member, so that the distance between the first holding part and the second holding part is reasonably adjusted, the whole distance between the first holding part and the second holding part is kept in a large enough range in the unused state, and the distance easy to operate can be kept between the first holding part and the second holding part in the unused state, so that the full preparation is made for the next continuous use.

In an alternative embodiment, the clamping member is provided with a guiding inclined plane, the guiding inclined plane is located at one side of the clamping member away from the second holding part, and the distance between the guiding inclined plane and the second holding part gradually decreases along the direction away from the connecting column.

The connecting rod has the beneficial effects that as the distance between the guide inclined plane and the second holding part is gradually reduced along the direction away from the connecting rod, when the clamping piece needs to enter the first sliding hole to be clamped with the first clamping part, the guide inclined plane can provide a smooth guide path for the clamping piece, so that the clamping piece can enter the first sliding hole more easily and smoothly.

In an alternative embodiment, the device further comprises a second connecting column, the second connecting column is arranged at intervals with the sliding clamping assembly along the length direction of the blade, the blade is arranged between the sliding clamping assembly and the second connecting column, one end of the second connection is in sliding connection with the first holding part, and the other end of the second connection is fixedly connected with the second holding part.

The sliding clamping assembly has the beneficial effects that the connection stability between the first holding part and the second holding part is enhanced by arranging the second connecting column, and the structural support provided by the second connecting column is fully utilized as the blade is arranged between the sliding clamping assembly and the second connecting column, so that the use safety is further improved.

In an alternative embodiment, the second holding part is provided with a cutting line segment and a stripping line segment in sequence along the length direction of the blade.

The wire cutting machine has the beneficial effects that by arranging the wire cutting section and the wire stripping section, the wire cutting can be realized, and the multifunctional operation of wire stripping can also be realized.

In an optional embodiment, the wire stripping section is provided with a plurality of wire stripping grooves, and the wire stripping grooves are sequentially arranged at intervals along the length direction of the blade, and the inner diameter of the wire stripping grooves is sequentially increased.

The wire stripping groove has the beneficial effects that the wire stripping grooves with different inner diameters can be arranged to realize the stripping of the optical fiber cables with different diameters, when the optical fiber cables with certain diameters are required to be stripped, only the wire stripping groove corresponding to the wire stripping groove is required to be selected, and each wire stripping groove can be matched with the optical fiber cable with the specific diameter, so that the damage and the breakage risk of the optical fiber cable can be reduced to the greatest extent in the wire stripping process, and the reliability of wire stripping fruits is ensured.

In an alternative embodiment, a receiving groove is formed in the second holding part, and a screwdriver bit is movably connected in the receiving groove.

The multifunctional electrician knife has the beneficial effects that the holding groove is formed in the second holding part, and the screwdriver head is movably connected in the holding groove, so that the versatility of the electrician knife is improved.

In an alternative embodiment, the handle is provided with a holding groove, the holding groove comprises a tiger mouth groove and a finger groove, the tiger mouth groove is arranged on one side of the first holding part, which is away from the second holding part, and the finger groove is arranged on one side of the second holding part, which is away from the first holding part.

The hand-held tool has the beneficial effects that by arranging the tiger mouth groove and the finger groove, an operator can more easily and accurately hold the tool by using the tiger mouth and the fingers, the hand-held tool accords with the ergonomic design, the first holding part and the second holding part are convenient to hold and are close to each other, the holding firmness is enhanced, the holding comfort and the holding stability of the operator during operation are improved, and the hand fatigue or discomfort caused by long-time use is solved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the related art, the drawings that are required to be used in the description of the embodiments or the related art will be briefly described, and it is apparent that the drawings in the description below are some embodiments of the present utility model, and other drawings may be obtained according to the drawings without inventive effort for those skilled in the art.

Fig. 1 is a schematic structural view of a multifunctional electrician's knife according to an embodiment of the present utility model;

Fig. 2 is a schematic view of a blade according to an embodiment of the present utility model.

Reference numerals illustrate:

11. The hand-held tool comprises a first holding part, 12, a second holding part, 121, a tangential section, 122, a wire stripping section, 123, a wire stripping groove, 2, a blade, 31, a first clamping part, 321, a first connecting column, 322, a clamping piece, 33, an elastic piece, 4, a second connecting column, 5, a screwdriver bit, 61, a tiger mouth groove, 62 and a finger groove.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

An embodiment of the present utility model is described below with reference to fig. 1 to 2.

According to an embodiment of the utility model, a multifunctional electrician knife is provided, comprising a knife handle and a knife blade 2, wherein the knife handle comprises a first holding part 11 and a second holding part 12 which are connected in a sliding mode, the knife blade 2 is positioned between the first holding part 11 and the second holding part 12 and fixedly connected with the first holding part 11, the first holding part 11 and the second holding part 12 have a first position close to each other and a second position far away from each other along the cutting direction of the knife blade 2, when the first holding part 11 and the second holding part 12 are positioned at the first position, a knife edge of the knife blade 2 is abutted against the second holding part 12 to be in an operating state, and when the first holding part 11 and the second holding part 12 are positioned at the second position, the knife edge of the knife blade 2 is separated from the second holding part 12 to be in an inactive state.

Through setting up first portion of gripping 11 and second portion of gripping 12 to blade 2 sets up between first portion of gripping 11 and second portion of gripping 12, realized effectively protecting blade 2, and ensured the edge of a knife of blade 2 can not expose outside, thereby greatly reduced the security risk that leads to because of unexpected contact, even under the limited or narrow environment of operating space of sight, can avoid blade 2 to cause unexpected injury to operating personnel, and because blade 2 and first portion of gripping 11 fixed connection, along with the relative movement between first portion of gripping 11 and the second portion of gripping 12, can realize blade 2 and second portion of gripping 12 and be close to and keep away from, and then realize blade 2 from the switching of unoperated state to the operating state, and return from operating state to unoperated state, not only improved the security of using, still strengthened the convenience of operation.

Specifically, the blade 2 is a bevel blade, the blade edge has a certain inclination, and the shape of the blade edge is pointed, so that the blade is convenient for cutting, and has high strength.

In one embodiment, the sliding clamping assembly further comprises a first clamping part 31 and a second clamping part, wherein the first clamping part 31 is fixedly connected with the first holding part 11, the second clamping part is fixedly connected with the second holding part 12, is slidably connected with the first clamping part 31 and has a clamping position locked with the first clamping part 31 and a separating position unlocked with the first clamping part 31, the second clamping part is located at the clamping position when the first holding part 11 and the second holding part 12 are located at the first position, and the second clamping part is located at the separating position when the first holding part 11 and the second holding part 12 are located at the second position.

Due to the fact that the first holding portion 11 and the second holding portion 12 are located at the clamping positions when located at the specific first positions, fixing of the positions of the blades 2 is achieved, and the fact that the blades 2 can be kept stable during wire stripping operation is guaranteed, and the blades 2 cannot slide or deviate from the preset positions due to accidental movement. When the first grip portion 11 and the second grip portion 12 are moved to the second position, the second click portion is in the separated position, enabling separation between the blade 2 and the second grip portion 12, facilitating removal of the stripped cable. Through the position change of the first holding part 11 and the second holding part 12 and the clamping and separating function of the second clamping part linked with the first holding part 11 and the second holding part, the flexible control of the position of the blade 2 is realized, and the convenience and the safety of wire stripping operation are greatly improved.

In one embodiment, the first clamping portion 31 is provided with a sliding hole, the second clamping portion includes a first connecting post 321 and a clamping piece 322, one end of the first connecting post 321 is fixed with the second holding portion 12, the other end of the first connecting post is slidably disposed in the sliding hole, the clamping piece 322 is convexly disposed on the periphery of the first connecting post 321, when the second clamping portion is located at the clamping position, the clamping piece 322 is located in the sliding hole and is clamped with the first clamping portion 31, and when the second clamping portion is located at the separating position, the clamping piece 322 is separated from the first clamping portion 31.

When the second clamping part is at the clamping position, the clamping piece 322 is positioned in the sliding hole and forms a firm clamping relation with the first clamping part 31, so that the tight connection between the first clamping part 31 and the second clamping part is ensured, and when the second clamping part is at the separating position, the clamping piece 322 is separated from the first clamping part 31, so that the clamping relation between the first clamping part 31 and the second clamping part is released, and the separation between the first clamping part 31 and the second clamping part is realized.

In a specific embodiment, a plurality of clamping members 322 are disposed along the circumferential direction of the first connecting post 321, and the plurality of clamping members 322 are sequentially disposed at intervals.

Specifically, two clamping pieces 322 are disposed along the circumferential direction of the first connecting post 321, and the two clamping pieces 322 are disposed opposite to each other.

Specifically, a bayonet lock is disposed on the first connecting post 321, and two ends of the bayonet lock protrude from the outer periphery of the first connecting post 321, so as to form two oppositely disposed bayonet lock pieces 322.

Specifically, the first detent 31 is an expansion tube.

In one embodiment, the sliding clamping assembly further includes an elastic member 33, where the elastic member 33 is located on one side of the first clamping portion 31 near the second holding portion 12, one end of the elastic member is fixed to the first clamping portion 31, and the other end of the elastic member is fixed to the first connecting post 321, and when the second clamping portion is in the clamping position, the elastic member 33 is in a compressed state, and when the second clamping portion is in the separated position, the elastic member 33 is in the extended state.

By arranging the elastic member 33 to provide the elastic force away from the second holding portion 12 for the expansion tube, when the clamping member 322 is in the unlocking position, the first clamping portion 31 can be pushed to move continuously in the direction away from the second holding portion 12 under the elastic force of the elastic member 33, so that not only is the reasonable adjustment of the distance between the first holding portion 11 and the second holding portion 12 ensured, but also the whole distance between the first holding portion 11 and the second holding portion 12 is kept in a large enough range in the unused state, so that an easy-to-operate distance between the first holding portion 11 and the second holding portion 12 in the unused state is kept, and the next continuous use is prepared.

In a specific embodiment, a through hole is formed in the first holding portion 11, the first clamping portion 31 is fixed in the through hole, the through hole is mutually communicated with the sliding hole, the elastic member 33 is located in the through hole, and the first connecting post 321 sequentially penetrates through the through hole and the sliding hole and protrudes out of one side of the first holding portion 11 away from the second holding portion 12 to form a pressing portion.

Specifically, the elastic member 33 is a spring.

In one embodiment, the clamping member 322 is provided with a guiding inclined plane, the guiding inclined plane is located at one side of the clamping member 322 away from the second holding portion 12, and the distance between the guiding inclined plane and the second holding portion 12 gradually decreases along the direction away from the connecting post.

Because along the direction away from the connecting post, the distance between the guiding inclined plane and the second holding portion 12 gradually decreases, when the clamping piece 322 needs to enter the first sliding hole to be clamped with the first clamping portion 31, the guiding inclined plane can provide a smooth guiding path for the clamping piece 322, so that the clamping piece 322 can enter the first sliding hole more easily and smoothly.

In one embodiment, the device further comprises a second connecting column 4, the second connecting column 4 is arranged at intervals with the sliding clamping assembly along the length direction of the blade 2, the blade 2 is arranged between the sliding clamping assembly and the second connecting column 4, one end of the second connection is in sliding connection with the first holding part 11, and the other end of the second connection is fixedly connected with the second holding part 12.

Through setting up second spliced pole 4, strengthened the connection stability between first portion 11 and the second portion 12 of gripping, and because blade 2 sets up slip screens subassembly with between the second spliced pole 4, make full use of the structural support that second spliced pole 4 provided has further promoted the security of using.

In one embodiment, the second gripping portion 12 is provided with a cutting segment 121 and a peeling segment 122 in sequence along the length direction of the blade 2.

By arranging the wire cutting segment 121 and the wire stripping segment 122, not only the wire cutting, but also the multifunctional operation of wire stripping can be realized.

In one embodiment, the wire stripping section 122 is provided with a plurality of wire stripping grooves 123, and the wire stripping grooves 123 are sequentially arranged at intervals along the length direction of the blade 2, and the inner diameter increases gradually.

By arranging the plurality of wire stripping grooves 123 with different inner diameters, the fiber cables with different diameters can be stripped, when the fiber cables with certain diameters are required to be stripped, the wire stripping grooves 123 corresponding to the wire stripping grooves are only required to be selected, and as each wire stripping groove 123 can be matched with the fiber cables with specific diameters, the damage and breakage risks of the fiber cables can be reduced to the greatest extent in the wire stripping process, and the reliability of wire stripping fruits is ensured.

In one embodiment, a receiving groove is formed in the second holding portion 12, and a screwdriver bit 5 is movably connected in the receiving groove.

By providing the receiving groove in the second grip portion 12 and movably connecting the screwdriver bit 5 in the receiving groove, versatility of the electrician's knife is improved.

In a specific embodiment, the screwdriver bit 5 is a cross screwdriver or a straight screwdriver.

In a specific embodiment, the screwdriver head 5 is detachably connected in the accommodating groove and can be replaced by a cross screwdriver or a straight screwdriver according to the requirement.

In a specific embodiment, the screwdriver bit 5 is rotatably connected to the second grip portion 12.

Preferably, two screwdrivers 5 are provided in the accommodation groove, one of which is a cross screwdriver and the other is a straight screwdriver.

In one embodiment, the handle is provided with a holding groove, the holding groove comprises a tiger mouth groove 61 and a finger groove 62, the tiger mouth groove 61 is arranged on one side of the first holding part 11, which is away from the second holding part 12, and the finger groove 62 is arranged on one side of the second holding part 12, which is away from the first holding part 11.

Through setting up tiger's mouth groove 61 and finger groove 62 for operating personnel can more easily hold the instrument with tiger's mouth and finger accuracy, accord with ergonomic design, be convenient for hold first portion of gripping 11 and second portion of gripping 12 and be close to each other, strengthened the fastness of gripping, promote operating personnel's comfort level and stability of gripping when the operation, solve hand fatigue or uncomfortable that leads to for a long time use.

In a specific embodiment, in a non-working state, the first holding part 11 and the second holding part 12 are far away from each other and are in the second position, the clamping piece 322 is separated from the first clamping part 31, the second clamping part is in the separating position, when the user needs to use, the user's mouth is placed in the tiger mouth groove 61, the user's fingers are placed in the finger groove 62, then the first holding part 11 and the second holding part 12 are pressed to be close to each other, when the edge of the blade 2 abuts against the second holding part 12, the clamping piece 322 is positioned in the sliding groove of the first clamping part 31 to realize the clamping of the first clamping part 31 and the second clamping part, after the use is completed, the pressing connecting column is pressed to protrude out of the pressing part of the first holding part 11, so that the clamping piece 322 slides out of the sliding hole to be separated from the first clamping part 31, and then the first clamping part 31 is pushed to move continuously in a direction far away from the second holding part 12 under the elastic force of the elastic piece 33, and reasonable adjustment of the spacing between the first holding part 11 and the second holding part 12 is ensured.

Although embodiments of the present utility model have been described in connection with the accompanying drawings, various modifications and variations may be made by those skilled in the art without departing from the spirit and scope of the utility model, and such modifications and variations fall within the scope of the utility model as defined by the appended claims.

Claims (10)

1. A multifunctional electrician's knife, comprising:

the knife handle comprises a first holding part (11) and a second holding part (12) which are connected in a sliding way;

the blade (2) is positioned between the first holding part (11) and the second holding part (12) and is fixedly connected with the first holding part (11);

The first holding part (11) and the second holding part (12) are provided with a first position close to each other and a second position far away from each other along the cutting direction of the blade (2), when the first holding part (11) and the second holding part (12) are positioned at the first position, the knife edge of the blade (2) is abutted against the second holding part (12) to be in a working state, and when the first holding part (11) and the second holding part (12) are positioned at the second position, the knife edge of the blade (2) is separated from the second holding part (12) to be in a non-working state.

2. The utility model as claimed in claim 1, wherein, still include slip screens subassembly, slip screens subassembly includes:

A first clamping part (31) fixedly connected with the first holding part (11);

the second clamping part is fixedly connected with the second holding part (12), is in sliding connection with the first clamping part (31), and has a clamping position locked with the first clamping part (31) and a separation position unlocked with the first clamping part (31);

Wherein the second detent is in the detent position when the first grip portion (11) and the second grip portion (12) are in the first position, and the second detent is in the separation position when the first grip portion (11) and the second grip portion (12) are in the second position.

3. The utility knife according to claim 2, wherein the first clamping portion (31) is provided with a sliding hole therein, and the second clamping portion comprises:

A first connecting post (321), one end of which is fixed with the second holding part (12), and the other end of which is arranged in the sliding hole in a sliding way;

the clamping piece (322) is arranged on the periphery of the first connecting post (321) in a protruding mode;

When the second clamping part is positioned at the clamping position, the clamping piece (322) is positioned in the sliding hole and clamped with the first clamping part (31), and when the second clamping part is positioned at the separating position, the clamping piece (322) is separated from the first clamping part (31).

4. A multifunctional electrician knife according to claim 3, characterized in that the sliding clamping assembly further comprises an elastic piece (33), wherein the elastic piece (33) is located on one side of the first clamping portion (31) close to the second holding portion (12), one end of the elastic piece is fixed with the first clamping portion (31), the other end of the elastic piece is fixed with the first connecting post (321), the elastic piece (33) is in a compressed state when the second clamping portion is in the clamping position, and the elastic piece (33) is in an extended state when the second clamping portion is in the separating position.

5. A multifunctional electrotechnical knife according to claim 3, characterized in that the clamping piece (322) is provided with a guiding inclined plane, the guiding inclined plane is positioned at one side of the clamping piece (322) away from the second holding part (12), and the distance between the guiding inclined plane and the second holding part (12) is gradually reduced along the direction away from the connecting column.

6. The multifunctional electrician knife according to any one of claims 2 to 5, further comprising a second connecting post (4), wherein the second connecting post (4) is arranged at intervals from the sliding clamping assembly along the length direction of the blade (2), the blade (2) is arranged between the sliding clamping assembly and the second connecting post (4), one end of the second connection is in sliding connection with the first holding part (11), and the other end of the second connection is fixedly connected with the second holding part (12).

7. The multifunctional electrician knife according to any one of claims 1 to 5, characterized in that a cutting segment (121) and a stripping segment (122) are sequentially provided on the second grip part (12) along the length direction of the blade (2).

8. The multifunctional electrician knife according to claim 7, wherein the wire stripping section (122) is provided with a plurality of wire stripping grooves (123), and the wire stripping grooves (123) are sequentially arranged at intervals along the length direction of the blade (2) and the inner diameter is sequentially increased.

9. The multifunctional electrician knife according to any one of claims 1 to 5 or 8, characterized in that a receiving groove is provided in the second grip part (12), in which a screwdriver bit (5) is movably connected.

10. The multifunctional electrician knife of any one of claims 1 to 5 or 8, wherein the handle is provided with a grip groove comprising:

a tiger mouth groove (61) arranged on one side of the first holding part (11) away from the second holding part (12);

And the finger groove (62) is arranged on one side of the second holding part (12) away from the first holding part (11).