Convenient-to-operate twisted pair stripper for electrical maintenance

Abstract

The utility model relates to the technical field of electrical maintenance tools, and particularly discloses a convenient-to-operate twisted pair stripper for electrical maintenance, which comprises a guide part, two clamping parts, two shearing parts and a driving part, and is characterized in that the guide part comprises a guide plate, each clamping part comprises an elastic telescopic clamping mechanism, and each shearing part comprises an arched stripping knife; the two scissor arms in the driving part are manually pulled to be close to each other, the two first fixing blocks are driven to be close to each other, the two second fixing blocks are driven to be close to each other, when the two first fixing blocks are close to each other, the two lifting supports are driven to be close to each other and clamp a wire, and when the two second fixing blocks are close to each other, the two lifting supports are driven to be close to each other. The two movable inclined rods push the two knife rests to get close to each other and push the two arched peeling knives to shear the outer skins of the two wires, and the two movable inclined rods push the two knife rests to synchronously and horizontally move to pull apart the residual outer skins of the cut parts of the wires along with the continuous movement of the two second fixing blocks, so that the conductive metal in the wires is protected, and meanwhile, the wire cutting efficiency is improved. And the sheath of the wire is thoroughly separated.

Description

Technical Field

[0001] The utility model relates to the technical field of electrical maintenance tools, in particular to a twisted pair wire stripper which is convenient to operate for electrical maintenance. Background Art

[0002] In the electrical field, twisted pair cables are cheap and widely used. When twisted pair cables are wired during electrical maintenance, a stripper is usually used to assist in stripping the inner wire. Currently, strippers are mainly driven manually and electrically. Among them, manually driven strippers have a simple structure and are easy to carry. They are often used for stripping wires in the electrical field.

[0003] When manually driven wire stripping pliers are used to strip the wire, the outer skin of the wire is mostly cut by two relatively moving shearing knives. However, in order to avoid cutting off the metal conductor inside the outer skin, a certain portion of the outer skin is generally left, and the outer skin of the uncut portion needs to be manually torn off. That is, the existing manually driven wire stripping pliers cannot completely separate the outer skin of the wire while ensuring that the internal metal conductor is not damaged.

[0004] Therefore, there is an urgent need to design a twisted pair wire stripper that is easy to operate for electrical maintenance, so as to solve the problem that the manually driven wire stripping pliers in the prior art cannot completely separate the outer sheath of the wire while ensuring that the internal metal conductor is not damaged. Utility Model Content

[0005] In view of the problems existing in the prior art, the utility model aims to provide a twisted pair wire stripper which is easy to operate for electrical maintenance.

[0006] The utility model solves the technical problem by adopting a technical solution: a twisted pair stripper convenient to operate for electrical maintenance, comprising a guide part, a clamping part, a shearing part and a driving part, wherein the guide part comprises a guide plate, and the clamping part and the shearing part are slidably connected on the guide plate;

[0007] The clamping part is provided with an arched clamping groove and an elastic telescopic clamping mechanism, and the arched clamping groove passes through and clamps the fixed wire;

[0008] The shearing part is provided with an arched stripping knife, which passes through the wire and performs circular cutting;

[0009] The driving part is provided with a scissor arm, which is rotatably connected to the clamping part and the shearing part, and the scissor arm controls the arched clamping groove and the arched stripping knife to clamp the wire.

[0010] Specifically, the left side of the guide plate is provided with two mutually symmetrical linear guide hole grooves 1, and the right side of the linear guide hole grooves 1 is provided with right-angle guide hole grooves 2. The two right-angle guide hole grooves 2 are symmetrically arranged at the upper and lower ends of the guide plate, and the right side of the guide plate is provided with two mutually symmetrical linear guide hole grooves 3.

[0011] Specifically, two clamping parts are symmetrically arranged, and the clamping parts also include a lifting bracket and a clamping plate, and two arched clamping grooves are arranged on the clamping plate. One side of the lifting bracket is connected to a plurality of sliding rods 1, and a plurality of sliding rods 1 in the two clamping parts are respectively installed in two linear guide hole grooves 1, and a fixing block 1 is installed between the ends of the plurality of sliding rods 1, and the fixing block 1 is connected to the scissor arm through a pin shaft.

[0012] Specifically, the elastic telescopic clamping mechanism includes a guide rod and a plurality of clamping springs, the two ends of the clamping spring are respectively connected to the lifting bracket and the clamping plate, one end of the guide rod is fixed to the clamping plate, the upper part of the guide rod passes through the through hole of the lifting bracket, and the other end of the guide rod is connected to a limit block, which blocks the outside of the lifting bracket.

[0013] Specifically, two shearing parts are symmetrically arranged, and the shearing parts also include a tool holder, two arched peeling knives are respectively installed on the two tool holders, and one side of the tool holder is connected to a plurality of sliding rods 2, and a plurality of sliding rods 2 in the two shearing parts are respectively arranged in two right-angle guide hole grooves 2, and a fixed block 2 is installed at the end of the plurality of sliding rods 2, and the fixed block 2 is connected to the scissors arm through a pin shaft, and a movable diagonal rod is obliquely installed on the tool holder.

[0014] Specifically, the driving part includes two scissor arms, which are "U"-shaped, and the ends of the scissor arms are respectively connected to the clamping part and the shearing part. A rotating shaft is connected between the two scissor arms, and the two scissor arms perform scissor shearing action through the rotating shaft.

[0015] Specifically, a return thrust spring is installed between the front parts of the scissor arms, and a roller is installed on the scissor arms.

[0016] The utility model has the following beneficial effects:

[0017] The utility model discloses a convenient and easy-to-operate twisted pair wire stripper for electrical maintenance, which drives two scissor arms in a driving part to approach each other manually, thereby driving two fixed blocks 1 and two fixed blocks 2 to approach each other. When the two fixed blocks 1 are approached to each other, they are used to drive two lifting brackets to approach each other for clamping the wire, and the clamping spring between the lifting bracket and the clamping plate can still be compressed after using its own elastic force to push the two clamping plates to clamp the wire, that is, the two fixed blocks 1 can still approach each other. When the two fixed blocks 2 are approached to each other, the two tool holders are first pushed to approach each other by the movable inclined rod, which is used to push the two arched stripping knives to shear the outer skins of the two wires, and in order to ensure that the conductive metal in the wire is not damaged by shearing, a certain thickness of outer skin will remain at the shearing position. After the two tool holders are completely in contact, the two clamping plates have clamped the wire. As the two fixed blocks 2 continue to move, the two movable inclined rods push the two tool holders to move horizontally synchronously along the right-angle guide hole slot 2 respectively, away from the clamping part, so as to tear off the outer skin remaining at the shearing position of the wire, thereby protecting the conductive metal in the wire and completely separating the outer skin of the wire. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of a twisted pair stripper which is easy to operate for electrical maintenance.

[0019] Figure 2 It is a structural schematic diagram of the guide part.

[0020] Figure 3 It is a schematic diagram of the structure of the clamping part.

[0021] Figure 4 It is a structural schematic diagram of the shearing section.

[0022] Figure 5 It is a schematic diagram of the structure of the drive unit.

[0023] In the figure: 1-guide portion, 11-guide plate, 12-linear guide hole slot 1, 13-right angle guide hole slot 2, 14-linear guide hole slot 3;

[0024] 2-clamping part, 21-lifting bracket, 22-guide rod, 23-limiting block, 24-clamping spring, 25-sliding rod 1, 26-fixing block 1, 27-clamping plate, 28-arched clamping groove;

[0025] 3- shearing part, 31- knife holder, 32- arched peeling knife, 33- movable inclined rod, 34- fixed block 2, 35- sliding rod 2;

[0026] 4-conducting wire; 5-driving part, 51-scissor arm, 52-rotating shaft, 53-roller, 54-reset thrust spring. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely further describe the technical solutions in the embodiments of the utility model. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] Embodiment 1:

[0029] like Figure 1-Figure 5 As shown, a twisted pair stripper which is easy to operate for electrical maintenance includes a twisted pair and a guide part 1, wherein the twisted pair includes two conductors 4, and the guide part 1 includes a guide plate 11. The left side of the guide plate 11 is provided with two mutually symmetrical linear guide hole grooves 12 in an upper and lower direction, and the right side of the linear guide hole grooves 12 is provided with right-angle guide hole grooves 2 13. The two right-angle guide hole grooves 2 13 are symmetrically arranged at the upper and lower ends of the guide plate 11, and the right side of the guide plate 11 is provided with two mutually symmetrical linear guide hole grooves 3 in an upper and lower direction 14.

[0030] Two clamping parts 2 and two shearing parts 3 are installed on one side of the guide plate 11. The two clamping parts 2 are respectively installed in two linear guide hole grooves 12. When the two clamping parts 2 make vertical relative movements along the two linear guide hole grooves 12, they are used to clamp and fix the outer skin of the conductor 4. The two shearing parts 3 are respectively arranged in two right-angle guide hole grooves 13. When the two shearing parts 3 make vertical relative movements along the two right-angle guide hole grooves 13, they are used to shear the outer skin of the conductor 4. The two shearing parts 3 synchronously make horizontal linear movements along the two right-angle guide hole grooves 13, and when they are away from the clamping parts 2, they are used to tear off the outer skin remaining at the shearing position.

[0031] The clamping part 2 also includes a lifting bracket 21 and a clamping plate 27, which are slidably connected to each other. The two clamping plates 27 are located in the same vertical straight line. Two arched clamping grooves 28 are provided on the opposite end surfaces of the two clamping plates 27. One side of the lifting bracket 21 is fixedly connected to a plurality of sliding rods 25. The plurality of sliding rods 25 in the two clamping parts 2 are respectively lifted and slidably installed in the two linear guide hole grooves 12, and a fixing block 26 is fixedly installed between the ends of the plurality of sliding rods 25.

[0032] The clamping part 2 includes an elastic telescopic clamping mechanism, which includes a guide rod 22 and a plurality of clamping springs 24. The head end of the guide rod 22 is fixedly connected to a clamping plate 27. The guide rod 22 slides through the lifting bracket 21. The end of the guide rod 22 is fixedly connected to a limit block 23. The limit block 23 is used to limit the telescopic range between the lifting bracket 21 and the clamping plate 27. The two ends of the clamping spring 24 are respectively fixedly connected to the lifting bracket 21 and the clamping plate 27. The clamping spring 24 is always in a compressed state, so that the clamping plate 27 always has an elastic force away from the lifting bracket 21.

[0033] The shearing part 3 includes an arched peeling knife 32 and a knife holder 31. The two arched peeling knives 32 are fixedly mounted on the two knife holders 31 respectively. One side of the knife holder 31 is fixedly connected with a plurality of sliding rods 35. The plurality of sliding rods 35 in the two shearing parts 3 are slidably mounted in the two right-angle guide hole grooves 13 respectively. The ends of the plurality of sliding rods 35 are fixedly mounted with fixed blocks 34. A movable inclined rod 33 is obliquely and slidably mounted on the knife holder 31. The movable inclined rod 33 that moves vertically up and down is used to push the knife holder 31 to move along the right-angle guide hole grooves 13.

[0034] A driving unit 5 is installed on the other side of the guide plate 11, and the driving unit 5 includes two cross-rotating scissor arms 51, the scissor arms 51 are "U"-shaped, and the ends of the scissor arms 51 are fixedly connected to the upper or lower fixed blocks 26 and 34 on both sides, a rotating shaft 52 is rotatably connected between the two scissor arms 51, and the head ends of the scissor arms 51 are rotatably connected to a roller 53, and two reset thrust springs 54 are installed between the ends of the two scissor arms 51, and the two ends of the reset thrust spring 54 are fixedly connected to the ends of the two scissor arms 51, respectively. The scissor arms 51 are always in a compressed state, and are used to push the ends of the two scissor arms 51 to separate from each other, so as to achieve the purpose of automatic separation of the two clamping parts 2 and the two shearing parts 3.

[0035] It should be noted that the two fixed blocks 1 26 and the two fixed blocks 2 34 are respectively connected to the two scissor arms 51, so that the vertical movement stroke between the two fixed blocks 1 26 is the same as the vertical movement stroke between the two fixed blocks 2 34, but because the fixed block 2 34 is used to drive the two movable inclined rods 33 to move synchronously in the opposite direction, and the vertically movable inclined rod 33 is used to drive the tool holder 31 to move vertically and horizontally, two displacements, and in the process of the above-mentioned horizontal movement of the tool holder 31, the fixed block 2 34 still needs to move, which means that the fixed block 1 26 still needs to be lifted and lowered. However, in order to ensure that the two tool holders 31 are in contact with each other, the two clamping plates 27 are also in contact with each other to clamp the wire 4, and when the movable inclined rod 33 drives the tool holder 31 to move horizontally, in order to ensure that the fixed block 1 26 can still be lifted and lowered, two clamping springs 24 in the elastic telescopic clamping mechanism are required to elastically compensate for the lifting distance between the two fixed blocks 1 26, and the vertical height of the linear guide hole slot 1 12 is greater than the vertical height of the right-angle guide hole slot 2 13.

[0036] It is further supplemented that, in addition to the above-mentioned manual mechanical drive, the driving part 5 can also be replaced by an electric telescopic cylinder, that is, the base in the electric telescopic cylinder and the fixed block 1 26 and the fixed block 2 34 at the lower end are fixedly connected, and the piston rod in the electric telescopic cylinder and the fixed block 1 26 and the fixed block 2 34 at the upper end are fixedly connected, thereby realizing the automatic drive of the twisted pair wire stripper for electrical maintenance.

[0037] Embodiment 2: Specific implementation process using the structural form of embodiment 1.

[0038] In the utility model, before the twisted pair stripper for electrical maintenance is used, the reset thrust spring 54, which is always in a compressed state, is used to push the ends of the two scissor arms 51 to separate from each other, thereby driving the two fixed blocks 1 26 to move away from each other and the two fixed blocks 2 34 to move away from each other, and the two fixed blocks 1 26 that are away from each other are used to drive the two lifting brackets 21 to move away from each other, so as to achieve the purpose of separating the two clamping plates 27, and the two fixed blocks 2 34 that are away from each other are used to drive the two movable inclined rods 33 to move away from each other, thereby driving the two clamping plates 27, so that the two knife holders 31 move horizontally along the two right-angle guide slots 2 13 respectively, and move away from each other in the vertical direction, so as to achieve the purpose of separating the two arched stripping knives 32, that is, the initial state of the twisted pair stripper for electrical maintenance before use is that there is a certain gap between the two clamping plates 27 and the two arched stripping knives 32 for inserting the two conductors 4 in the twisted pair;

[0039] When the twisted pair stripper for electrical maintenance is used, first, the two wires 4 in the twisted pair are placed between the two clamping plates 27 and between the two arched stripping knives 32, and then the two rollers 53 are manually held by hand to move the ends of the scissor arms 51 closer to each other, so that the two fixed blocks 1 26 are closer to each other and the two fixed blocks 2 34 are closer to each other. When the two fixed blocks 1 26 are closer to each other, they are used to drive the two lifting brackets 21 closer to each other until the two clamping plates 27 contact each other to clamp the wires 4, and the clamping springs 24 between the lifting brackets 21 and the clamping plates 27 use their own elastic force to push the two clamping plates 27 to clamp the wires 4, and can still be compressed, that is, the two fixed blocks 1 26 can still be closer to each other, and the two When the fixed blocks 2 34 are close to each other, the two tool holders 31 are first pushed close to each other by the movable inclined rod 33, which is used to push the two arched stripping knives 32 to shear the outer skins of the two wires 4. In order to ensure that the conductive metal in the wire 4 will not be damaged by shearing, a certain thickness of outer skin will remain at the shearing position. After the two tool holders 31 are fully in contact, the two clamps 27 have clamped the wire 4. As the two fixed blocks 2 34 continue to move, the two movable inclined rods 33 push the two tool holders 31 to move horizontally synchronously along the right-angle guide hole grooves 2 13, away from the clamping part 2, to tear off the outer skin remaining at the shearing position of the wire 4, thereby protecting the conductive metal in the wire 4 while completely separating the outer skin of the wire 4.

[0040] The present utility model is not limited to the above-mentioned implementation modes, and anyone should be aware of the structural changes made under the inspiration of the present utility model. Any technical solutions that are the same or similar to the present utility model fall within the protection scope of the present utility model.

[0041] The technology, shape and structure parts not described in detail in the present invention are all known technologies.

[0042] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0043] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A twisted pair wire stripper that is easy to operate for electrical maintenance, characterized in that: The invention comprises a guide part (1), a clamping part (2), a shearing part (3) and a driving part (5), wherein the guide part (1) comprises a guide plate (11), and the clamping part (2) and the shearing part (3) are slidably connected on the guide plate (11); The clamping portion (2) is provided with an arched clamping groove (28) and an elastic telescopic clamping mechanism, and the arched clamping groove (28) passes through and clamps the fixed wire (4); The shearing portion (3) is provided with an arched peeling knife (32), and the arched peeling knife (32) passes through the wire (4) and performs circular cutting; The driving part (5) is provided with a scissor arm (51), which rotatably connects the clamping part (2) and the shearing part (3), and controls the arched clamping groove (28) and the arched stripping knife (32) to clamp the wire (4).

2. The convenient twisted pair stripper for electrical maintenance according to claim 1, characterized in that: The left side of the guide plate (11) is provided with two mutually symmetrical linear guide hole grooves 1 (12) in the upper and lower parts, and the right side of the linear guide hole grooves 1 (12) is provided with right-angle guide hole grooves 2 (13). The two right-angle guide hole grooves 2 (13) are symmetrically arranged at the upper and lower ends of the guide plate (11), and the right side of the guide plate (11) is provided with two mutually symmetrical linear guide hole grooves 3 (14) in the upper and lower parts.

3. The convenient twisted pair wire stripper for electrical maintenance according to claim 2, characterized in that: The clamping parts (2) are symmetrically provided with two, and the clamping parts (2) also include a lifting bracket (21) and a clamping plate (27), and the clamping plate (27) is provided with two arched clamping grooves (28). One side of the lifting bracket (21) is connected with a plurality of sliding rods (25), and a plurality of the sliding rods (25) in the two clamping parts (2) are respectively installed in two linear guide hole grooves (12), and a fixing block (26) is installed between the ends of the plurality of sliding rods (25), and the fixing block (26) is connected to the scissor arm (51) through a pin shaft.

4. The convenient twisted pair wire stripper for electrical maintenance according to claim 1, characterized in that: The elastic telescopic clamping mechanism comprises a guide rod (22) and a plurality of clamping springs (24), the two ends of the clamping spring (24) are respectively connected to the lifting bracket (21) and the clamping plate (27), one end of the guide rod (22) is fixed to the clamping plate (27), the upper part of the guide rod (22) passes through the through hole of the lifting bracket (21), and the other end of the guide rod (22) is connected to a limit block (23), and the limit block (23) is blocked outside the lifting bracket (21).

5. The convenient twisted pair wire stripper for electrical maintenance according to claim 2, characterized in that: The shearing parts (3) are symmetrically provided with two, and the shearing parts (3) also include a knife rack (31), two arched peeling knives (32) are respectively mounted on the two knife racks (31), one side of the knife rack (31) is connected with a plurality of sliding rods (35), the plurality of sliding rods (35) in the two shearing parts (3) are respectively arranged in two right-angle guide hole grooves (13), the ends of the plurality of sliding rods (35) are mounted with fixed blocks (34), the fixed blocks (34) are connected to the scissor arms (51) through a pin shaft, and a movable inclined rod (33) is obliquely mounted on the knife rack (31).

6. The convenient twisted pair stripper for electrical maintenance according to claim 1, characterized in that: The driving part (5) comprises two scissor arms (51), the scissor arms (51) are in a "U" shape, and the ends of the scissor arms (51) are respectively connected to the clamping part (2) and the shearing part (3), a rotating shaft (52) is connected between the two scissor arms (51), and the two scissor arms (51) perform a scissor shearing action via the rotating shaft (52).

7. The convenient twisted pair stripper for electrical maintenance according to claim 6, characterized in that: A return thrust spring (54) is installed between the front parts of the scissor arms (51), and a roller (53) is installed on the scissor arms (51).

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