CN111941344B - Movable groove type wire harness dismantling pliers capable of reducing friction resistance - Google Patents
Movable groove type wire harness dismantling pliers capable of reducing friction resistance Download PDFInfo
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- CN111941344B CN111941344B CN202010927838.0A CN202010927838A CN111941344B CN 111941344 B CN111941344 B CN 111941344B CN 202010927838 A CN202010927838 A CN 202010927838A CN 111941344 B CN111941344 B CN 111941344B
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- pipe
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
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Abstract
The invention discloses a movable groove type wire harness dismantling clamp capable of reducing friction resistance, which comprises 2 clamp body units symmetrically arranged; the clamp unit comprises a clamp body, a mounting shaft and a movable bracket; the mounting shaft comprises a third shaft section, a second shaft section and a first shaft section, wherein the radius of the third shaft section is gradually increased; the second shaft section is provided with a ball bearing which is abutted against the first shaft section; the balls of the ball bearing are exposed out of the ball bearing and are in contact with the moving bracket; the clamp body is connected with the first shaft section; the movable support is provided with a movable groove, the third shaft section of the mounting shaft passes through the movable groove and then is fixed through a locking nut, and the second shaft section can rotate in the movable groove. The invention can not only conveniently disassemble the wire harness in a smaller space, but also reduce the torsion moment applied to the joint of the wire harness, and avoid the problem that the joint of the wire harness and the corresponding interface are easy to damage caused by the repeated application of larger torsion moment to the joint of the wire harness.
Description
Technical Field
The invention relates to a pair of pliers, in particular to a pair of movable groove type wire harness disassembling pliers capable of reducing friction resistance.
Background
In the development process of a new energy vehicle chassis, a plurality of high-voltage and low-voltage wiring harnesses are generally involved. Such harnesses are generally stiff, thick in diameter, large in bending radius, large in joint size, and large in occupied space in automotive chassis with higher and higher integration, so that the harnesses are quite inconvenient to mount and dismount. Especially, when the wire harness is disassembled, the disassembling space is small, the joint is not easy to disassemble, and the wire harness nest is easy to fold. The installation of using at present dismantles pencil instrument is for taking out stitches pincers, and this taking out stitches pincers have two alternately articulated tong arms, and the joint with the centre gripping pencil through the rotation each other of tong arm then directly draws the joint, and the application of force is not convenient for in the less position in space to this kind of mode, is unfavorable for dismantling the joint of motor pencil.
The patent with the publication number of CN105665543B and the name of a wire harness sheet metal riveting device and a use control method discloses a wire harness sheet metal riveting device. Although the structure is convenient for applying force in a small space, the distance from the jaw of the pneumatic pressure clamp to the prying center (the position of the magnet) is not changed, and the wire harness joint is subjected to a larger force in a non-plugging direction besides the force in the plugging and unplugging direction in the process of prying the joint by the pneumatic pressure clamp for comparing files, so that a larger torsional moment is formed, and the joint of the wire harness and the corresponding interface are repeatedly plugged and unplugged under the action of the larger torsional moment, so that the wire harness joint and the corresponding interface are easily damaged. As shown in fig. 1, the force F is a force applied by the pliers 15 to the joint 16 of the wiring harness, and has a component F1 along the inserting and pulling direction of the joint and a component F2 perpendicular to the inserting and pulling direction, and since the distance from the jaw of the pneumatic pressure pliers to the rotation center is constant, the component F2 of the force F is large, so that the joint 16 of the wiring harness is subjected to a large torque, and the joint 16 of the wiring harness and the corresponding interface 17 of the wiring harness are easily damaged.
Disclosure of Invention
The invention aims to provide movable groove type wire harness dismantling pliers capable of reducing friction resistance, which can conveniently dismantle a wire harness in a small space, reduce the torsion moment applied to a joint of the wire harness and avoid the problem that the joint of the wire harness and a corresponding interface are easily damaged due to the fact that the joint of the wire harness is repeatedly applied with large torsion moment.
The technical scheme adopted by the invention is as follows:
a movable groove type wire harness dismantling pliers capable of reducing friction resistance comprises 2 pliers body units, a fixed seat and a handle, wherein the pliers body units are symmetrically arranged; the fixed seat is provided with a long hole; the 2 clamp body units are respectively arranged on two sides of the fixed seat and can slide along the long hole; the handle is connected with the fixed seat; the clamp body unit comprises a clamp body, a mounting shaft and a movable bracket; the mounting shaft comprises a third shaft section, a second shaft section and a first shaft section which are arranged in sequence, and the radiuses of the third shaft section, the second shaft section and the first shaft section are gradually increased; the second shaft section is provided with a ball bearing which is abutted against the first shaft section; the balls of the ball bearing are exposed out of the ball bearing and are in contact with the moving bracket, and rolling friction is formed between the moving bracket and the balls of the ball bearing; the clamp body is connected with the first shaft section; the movable support is provided with a movable groove, the third shaft section of the mounting shaft penetrates through the movable groove and then is fixed through a locking nut, and the second shaft section can rotate in the movable groove. The movable support moves in the long hole, and after the movable support is moved to a proper position, the movable support is fixed on the fixed seat through the locking nut, so that the clamping of the joint of the wiring harness is realized.
According to above-mentioned scheme, the length of second shaft section is longer than the thickness of moving movable support, and lock nut screws up on third shaft section and with second shaft section butt to keep certain distance between messenger's moving movable support and the lock nut, avoid blocking the moving movable support completely.
According to the scheme, the permanent seat is provided with the magnet. The utility model discloses a new energy automobile's motor pencil is around usually having the pipe fitting of iron system, can adsorb magnet on the pipe fitting, because the pipe fitting surface is the face of cylinder usually, the magnet of adsorption on the face of cylinder can rotate around the face of cylinder to pry the pencil, dismantle the pencil.
According to the scheme, the handle is a telescopic handle so as to adjust the length of the force arm during disassembly.
According to the scheme, the handle comprises a fixed pipe and an extension pipe; one end of the telescopic pipe is connected to the fixed pipe through a telescopic adjusting mechanism; the telescopic adjusting mechanism comprises a spring, a rotating pin, a fixing pin and a pressing plate; the pressing plate is rotatably connected with the fixed pipe through a rotating pin, a spring is arranged at one end of the pressing plate, which faces the fixed seat, and is respectively connected with the pressing plate and the fixed pipe, and a fixed pin is arranged at one end of the pressing plate, which is far away from the fixed seat, and is connected with the pressing plate; the telescopic pipe is provided with a positioning hole, the fixing pin is inserted into the positioning hole to lock the length of the telescopic pipe extending out of the fixed pipe, the fixing pin is separated from the positioning hole on the telescopic pipe by pressing the pressing plate, and the length of the telescopic pipe extending out of the fixed pipe is adjusted.
According to the scheme, the fixing seat is rotatably connected with the rotating support, and the rotating support is provided with the magnet.
According to the scheme, the first shaft section is provided with the clamp seat, and the clamp seat is connected with the clamp body. The outer ring of the ball bearing is embedded into the caliper seat.
The invention has the beneficial effects that:
can be in limited space, conveniently dismantle the pencil.
The second shaft section is translated in the moving groove to change the distance from the clamp body connected with the mounting shaft to the prying center (fixed seat), so that the wiring harness is convenient to mount and dismount.
Through the rotation of installation axle in the removal groove for prying the in-process and can not follow the rotation of movable support with the pincers body of installation axle connection, thereby reduce the torsion moment that the joint of pencil and corresponding interface received and the degree of being rolled over by the nest, the life of the joint of extension pencil and corresponding interface.
Through setting up the exposed ball bearing of ball, when moving movable support with the ball contact, be in point contact state basically, avoid the face contact between the pincers body and the moving movable support, moving movable support forms rolling friction with the ball, compare in sliding friction, can reduce the frictional resistance between the pincers body and the moving movable support, further reduce the degree that the joint of the torsion moment that receives of pencil and the joint of pencil are jogged, avoid the joint of pencil to receive great torsion moment repeatedly and cause the joint of pencil and the problem that corresponding interface damaged.
Through setting up the slot hole, conveniently adjust the opening size of two pincers bodies to make it be applicable to the pencil of various diameters size, application range is wide.
Through setting up magnet, during the use, can adsorb magnet on the pipe fitting to confirm to prize center (fulcrum), make the dismantlement of pencil more convenient, swift.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a force analysis diagram of a conventional wire stripper used in a process of prying a joint of a motor wire harness;
FIG. 2 is a schematic structural view of embodiment 1 of the present invention;
FIG. 3 is a left side view of FIG. 2;
FIG. 4 is a cross-sectional view A of FIG. 2;
FIG. 5 is a perspective view of FIG. 2;
FIG. 6 is a schematic structural view of embodiment 2;
FIG. 7 is a left side view of FIG. 6;
fig. 8 is a perspective view of fig. 6.
In the figure: 1. the clamp comprises a clamp body, 2, a mounting shaft, 21, a first shaft section, 22, a second shaft section, 23, a third shaft section, 24, a locking nut, 25, a ball bearing, 3, a moving support, 4, a moving groove, 5, a fixing nut, 6, a fixing seat, 7, a fixing pipe, 8, an expansion pipe, 9, a pressing plate, 10, a spring, 11, a rotating pin, 12, a fixing pin, 13, a magnet, 14, a rotating support, 15, a wire removing clamp, 16, a joint of a wire harness, 17, an interface, 18, a long hole, 19, a pipe fitting, 20, a first rotating pin, 31 and a clamp seat.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The permanent seat 6 is provided with a magnet 13, and when the device is used, the magnet 13 is connected with the pipe 19. The handle is a telescopic handle and comprises a fixed pipe 7 and a telescopic pipe 8; one end of the fixed pipe 7 is connected with the fixed seat 6, and the other end of the fixed pipe 7 is connected with the telescopic pipe 8 through the telescopic adjusting mechanism; the telescopic adjusting mechanism comprises a spring 10, a rotating pin 11, a fixing pin 12 and a pressure plate 9; the pressure plate 9 is rotationally connected with the fixed tube 7 through a rotating pin 11; the spring 10 is respectively connected with the pressure plate 9 and the fixed tube 7 and is arranged at one end of the pressure plate 9 facing the fixed seat 6; the fixing pin 12 is arranged at one end of the pressure plate 9, which is far away from the fixing seat 6, and is connected with the pressure plate 9; the telescopic pipe 8 is provided with a positioning hole, and the fixing pin 12 is inserted into the positioning hole to lock the length of the telescopic pipe 8 extending out of the fixing pipe 7; the fixing pin 12 is separated from the positioning hole on the telescopic pipe 8 by pressing the pressing plate 9, and the length of the telescopic pipe 8 extending out of the fixing pipe 7 is adjusted.
In this embodiment, the fixed seat 6 is provided with a long hole 18, the movable bracket 3 passes through the long hole on the fixed seat 6, and the movable bracket 3 can move along the length direction of the long hole 18 of the fixed seat 6 to adjust the position of the second shaft section 22 along the length direction of the long hole of the fixed seat 6, so that the clamp body 1 clamps the joint of the wire harness. The clamp body 1 and the first shaft section 21 can be fixedly connected or rotatably connected.
The use method of the movable groove type wire harness dismantling clamp capable of reducing the friction resistance comprises the following steps:
1. loosening the fixing nut 5 and adjusting the position of the movable bracket 3 on the fixed seat 6; when the fixed width of the wire harness joint is met, the fixing nut 5 is locked; the mounting shaft 2 is locked through the locking nut 24, and a 0.5mm gap is reserved between the locking nut 24 and the movable support, so that the mounting shaft 2 can be ensured to slide smoothly in the movable groove 4;
2. the magnet 13 is attracted to the proper position of the chassis (the magnet 13 is attracted to the pipe 19); the length of the telescopic pipe 8 extending out of the fixed pipe 7 is adjusted through the spring 10, the rotating pin 11 and the fixed pin 12 (when unlocking is needed, the upper part of the pressing plate 9 is pressed down, the spring 10 is compressed, the fixed pin 12 is removed, and the telescopic pipe 8 can move in the fixed pipe 7), so that the length of the force arm is adjusted;
3. pressing the handle by taking the magnet 13 as a fulcrum, and generating a lever effect at the moment, wherein the wire harness joint is far away from the interface;
4. when the wire harness connector is far away from the interface, the clamp body can rotate around the embedded outer ring, and the clamp body cannot rotate along with the movable support due to prying of the movable support, so that the wire harness connector is ensured to rotate along the minimum stress direction; simultaneously, installation axle 2 can drive the pincers body 1 along 4 relative sliding of shifting chute (in certain extent), can change the pincers body to the distance of prizing the center (magnet position), has reduced the pencil and has been rolled over the degree of pulling by the nest to play the effect of protection pencil and corresponding interface, can prolong the effect life-span of pencil and corresponding interface to a certain extent.
Example 2, see fig. 6-8, differs from example 1 in that: the fixed seat 6 is rotatably connected with the rotating bracket 14 through a first rotating pin 20, and the magnet 13 is arranged on the rotating bracket 14. Therefore, the magnet can also be fixed on the plane of the iron part around the motor wire harness of the new energy automobile in an adsorption manner.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (7)
1. The utility model provides a can reduce frictional resistance's removal slot type pencil dismantles pincers which characterized in that: comprises 2 symmetrically arranged forceps body units, a fixed seat and a handle; the fixed seat is provided with a long hole; the 2 clamp body units are respectively arranged on two sides of the fixed seat and can slide along the long hole; the handle is connected with the fixed seat;
the clamp body unit comprises a clamp body, a mounting shaft and a movable bracket; the mounting shaft comprises a third shaft section, a second shaft section and a first shaft section which are sequentially arranged, and the radiuses of the third shaft section, the second shaft section and the first shaft section are gradually increased; the second shaft section is provided with a ball bearing which is abutted against the first shaft section; the balls of the ball bearing are exposed out of the ball bearing and are in contact with the moving bracket; the clamp body is connected with the first shaft section; the length of the second shaft section is longer than the thickness of the movable support, and the locking nut is screwed on the third shaft section and is abutted against the second shaft section, so that a certain distance is kept between the movable support and the locking nut, and the movable support is prevented from being completely clamped;
the movable support is provided with a movable groove, the third shaft section of the mounting shaft penetrates through the movable groove and then is fixed through a locking nut, and the second shaft section can rotate in the movable groove.
2. The movable groove type wire harness dismantling pliers capable of reducing friction resistance according to claim 1, wherein: and the fixed seat is provided with a magnet.
3. The movable groove type wire harness dismantling pliers capable of reducing friction resistance according to claim 1, wherein: the handle is a telescopic handle.
4. The movable groove type wire harness dismantling pliers capable of reducing friction resistance according to claim 3, wherein: the handle comprises a fixed pipe and an extension pipe; one end of the telescopic pipe is connected to the fixed pipe through a telescopic adjusting mechanism; the telescopic adjusting mechanism comprises a spring, a rotating pin, a fixing pin and a pressing plate; the pressing plate is rotatably connected with the fixed pipe through a rotating pin, a spring is arranged at one end of the pressing plate, which faces the fixed seat, and is respectively connected with the pressing plate and the fixed pipe, and a fixed pin is arranged at one end of the pressing plate, which is far away from the fixed seat, and is connected with the pressing plate; the telescopic pipe is provided with a positioning hole, the fixing pin is inserted into the positioning hole to lock the length of the telescopic pipe extending out of the fixed pipe, the fixing pin is separated from the positioning hole on the telescopic pipe by pressing the pressing plate, and the length of the telescopic pipe extending out of the fixed pipe is adjusted.
5. The movable groove type wire harness dismantling pliers capable of reducing friction resistance according to claim 1, wherein: the fixing seat is rotatably connected with the rotating support, and the rotating support is provided with a magnet.
6. The movable groove type wire harness dismantling pliers capable of reducing friction resistance according to claim 1, wherein: the first shaft section is provided with a clamp seat, and the clamp seat is connected with the clamp body.
7. The movable groove type wire harness dismantling pliers capable of reducing friction resistance according to claim 6, wherein: the outer ring of the ball bearing is embedded into the caliper seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010927838.0A CN111941344B (en) | 2020-09-07 | 2020-09-07 | Movable groove type wire harness dismantling pliers capable of reducing friction resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010927838.0A CN111941344B (en) | 2020-09-07 | 2020-09-07 | Movable groove type wire harness dismantling pliers capable of reducing friction resistance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111941344A CN111941344A (en) | 2020-11-17 |
| CN111941344B true CN111941344B (en) | 2021-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010927838.0A Active CN111941344B (en) | 2020-09-07 | 2020-09-07 | Movable groove type wire harness dismantling pliers capable of reducing friction resistance |
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| CN (1) | CN111941344B (en) |
Citations (8)
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| CN203151009U (en) * | 2013-03-21 | 2013-08-21 | 衡水供电公司 | Cable cutting clamp |
| CN205104749U (en) * | 2015-11-23 | 2016-03-23 | 江苏南瑞帕威尔电气有限公司 | Pulling attachment of plug -in cable head |
| CN206072039U (en) * | 2016-08-31 | 2017-04-05 | 佛山市闽亚金属制品有限公司 | Expansion link with auto-lock function |
| CN209140813U (en) * | 2018-12-11 | 2019-07-23 | 东莞市松柏模具有限公司 | A kind of simple pin inserting-drawing mechanism |
| CN209183931U (en) * | 2018-12-19 | 2019-07-30 | 郑州云海信息技术有限公司 | A kind of installation tool of server cable terminal |
| CN209823083U (en) * | 2019-06-23 | 2019-12-20 | 咸宁职业技术学院 | Wire harness plugging device for automobile maintenance |
| CN210255810U (en) * | 2019-05-18 | 2020-04-07 | 东莞市欧博泰光电有限公司 | Clamp capable of freely rotating |
| CN111425496A (en) * | 2020-04-27 | 2020-07-17 | 黄建忠 | Telescopic pipe |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6701595B2 (en) * | 2001-06-28 | 2004-03-09 | Dennis S. Janovici | Clamp connection and release device |
-
2020
- 2020-09-07 CN CN202010927838.0A patent/CN111941344B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203151009U (en) * | 2013-03-21 | 2013-08-21 | 衡水供电公司 | Cable cutting clamp |
| CN205104749U (en) * | 2015-11-23 | 2016-03-23 | 江苏南瑞帕威尔电气有限公司 | Pulling attachment of plug -in cable head |
| CN206072039U (en) * | 2016-08-31 | 2017-04-05 | 佛山市闽亚金属制品有限公司 | Expansion link with auto-lock function |
| CN209140813U (en) * | 2018-12-11 | 2019-07-23 | 东莞市松柏模具有限公司 | A kind of simple pin inserting-drawing mechanism |
| CN209183931U (en) * | 2018-12-19 | 2019-07-30 | 郑州云海信息技术有限公司 | A kind of installation tool of server cable terminal |
| CN210255810U (en) * | 2019-05-18 | 2020-04-07 | 东莞市欧博泰光电有限公司 | Clamp capable of freely rotating |
| CN209823083U (en) * | 2019-06-23 | 2019-12-20 | 咸宁职业技术学院 | Wire harness plugging device for automobile maintenance |
| CN111425496A (en) * | 2020-04-27 | 2020-07-17 | 黄建忠 | Telescopic pipe |
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| CN111941344A (en) | 2020-11-17 |
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