CN217741286U - Insulated conductor end protective sheath - Google Patents
Insulated conductor end protective sheath Download PDFInfo
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- CN217741286U CN217741286U CN202221782519.6U CN202221782519U CN217741286U CN 217741286 U CN217741286 U CN 217741286U CN 202221782519 U CN202221782519 U CN 202221782519U CN 217741286 U CN217741286 U CN 217741286U
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- protective sleeve
- sleeve
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- lower protective
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Abstract
The utility model discloses an insulated conductor end protective sleeve, including one end through the articulated upper protective sleeve of round pin axle and lower protective sleeve, the upper protective sleeve is cavity structure and the lower extreme is open, lower protective sleeve is cavity structure and the upper end is open, the epaxial cover of round pin is equipped with miniature torsional spring, the both ends of miniature torsional spring coincide respectively and open into certain angle between the other end of upper protective sleeve and lower protective sleeve after setting up near the inner wall of upper protective sleeve and lower protective sleeve, the relative side center of open end of upper protective sleeve and lower protective sleeve is equipped with upper arc breach and lower arc breach that correspond from top to bottom respectively, the bilateral symmetry that lies in upper arc breach on the open end terminal surface of upper protective sleeve is equipped with two link plates that can overturn from top to bottom, the below that lies in lower arc breach on the open end terminal surface of lower protective sleeve is equipped with two corresponding link plate settings and the triangle-shaped dog that the inclined plane is up, the triangle-shaped dog can be followed inside and outside the protective sleeve; the utility model has the advantages of good protection effect, wide application range and simple and convenient use.
Description
Technical Field
The utility model belongs to the technical field of auxiliary fixtures for power cable, concretely relates to insulated wire end protective sheath.
Background
Currently, a plurality of strands of annealed copper wires and single-stranded hard copper wires are used for protection, communication, monitoring and other cabinet circuits, control loops in electrical equipment, outdoor terminal in-box wires and the like in a transformer substation, and the common sizes of the insulated wires with insulating layers include 1.5mm, 2.5mm and 4mm, and when the insulated wires are used, the ends of the insulated wires generally use cold-pressed fork-shaped, circular or tubular ends, and the condition of bare ends also exists.
In actual work, loop inspection, terminal row change, equipment change etc. all involve disassembling, recovering and measuring of wire end, in order to prevent that the condition such as the electrified injury people of wire end, wire end mistake from bumping other terminals or ground connection from taking place, the wire end should all carry out the insulation after disassembling and handle, in order to prevent to damage the wire end in the operation process simultaneously, also should take corresponding interim safeguard measure.
The conventional insulation treatment and temporary protection measures include two modes of wrapping the end by using an insulating adhesive tape and sheathing the end by using an insulating sealing cap.
Wherein, there is the following problem with insulating adhesive tape winding end:
1. the beauty is poor, and the winding and binding are troublesome;
2. the adhesive tape is easy to fall off, and the viscosity of the adhesive tape is influenced by seasons and temperature;
3. under the high-temperature environment on site, the viscous substance can be attached to the end of the lead;
4. the adhesive tape is not reusable.
Wherein, there are the following problems in using insulating closing cap to entangle the end:
1. cannot be used for wires with cold-pressed ends;
2. the size of the sealing cap is strictly matched, and if the sealing cap is not matched, the sealing cap falls off or cannot be inserted;
3. when the terminal is used for a bare conductor terminal without a cold-pressed terminal, the terminal cannot be used if the terminal is too long;
4. the sealing cap adopting the thermal shrinkage mode to wrap the end can not be reused.
In order to solve the above problems, it is necessary to develop a protective sleeve for the end of an insulated wire.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the defects of the prior art and providing an insulated wire end protective sleeve which has good protective effect, wide application range and simple and convenient use.
The purpose of the utility model is realized like this: an insulated wire end protective sleeve comprises an upper protective sleeve and a lower protective sleeve, wherein one end of the upper protective sleeve is hinged through a pin shaft, the lower end of the upper protective sleeve is open, the upper end of the lower protective sleeve is open, a miniature torsion spring is sleeved between the upper protective sleeve and the lower protective sleeve on the pin shaft, two ends of the miniature torsion spring are respectively matched and tightly close to the inner walls of the upper protective sleeve and the lower protective sleeve, then the other ends of the upper protective sleeve and the lower protective sleeve are opened to form a certain angle, an upper arc-shaped notch and a lower arc-shaped notch which correspond to each other up and down are respectively arranged at the center of one side, opposite to the opening end, of the upper protective sleeve, two hanging plates which can be turned over up and down are symmetrically arranged on two sides of the upper arc-shaped notch on the end face of the opening end of the upper protective sleeve, two triangular stop blocks which correspond to the arrangement of the hanging plates and have upward inclined surfaces are arranged below the opening end face of the lower protective sleeve, and the triangular stop blocks can extend and retract inside and outside the lower protective sleeve;
the link plate through inwards press go up the protective sheath with turn over down behind the open end of protective sheath hang detain in the lower extreme of triangle-shaped dog, the link plate passes through the inward shrink of triangle-shaped dog is followed the lower extreme slippage of triangle-shaped dog.
Preferably, the hanging plate is provided with a plurality of square holes which are uniformly distributed up and down, and the square holes are matched with the triangular stop blocks.
Preferably, the lower end face of the triangular check block is provided with an arc-shaped groove perpendicular to the telescopic direction of the triangular check block, and the hanging plate is hung and buckled at the lower end of the triangular check block through the arc-shaped groove.
Preferably, an anti-skid structure A is arranged on the outer side of the opening end of the upper protective sleeve.
Preferably, the upper arc-shaped notch and the lower arc-shaped notch are respectively sleeved with an elastic anti-skidding sleeve A and an elastic anti-skidding sleeve B which are tightly attached to the upper protective sleeve and the lower protective sleeve.
Preferably, the inner walls of the upper protective sleeve and the lower protective sleeve are provided with limiting sleeves at positions close to the two ends of the miniature torsion spring, and the two ends of the miniature torsion spring are sleeved in the limiting sleeves.
Preferably, an installation block is arranged at one side, located at the triangular stop, of the bottom of the lower protection sleeve, a slide way is arranged at a position, corresponding to the two triangular stop blocks, of the installation block, the slide way is matched with the overall appearance of the rear ends of the two triangular stop blocks, the inner ends of the slide ways are arranged in a closed mode, a common moving block is arranged at the inner ends of the two triangular stop blocks after the inner ends of the triangular stop blocks are sleeved in the slide way, a plurality of miniature pressure springs which are evenly distributed in parallel are arranged between the moving block and the inner ends of the slide way, the lower end of the moving block penetrates through the installation block and extends out of the lower protection sleeve, and a penetrating opening matched with the moving track of the moving block when the moving block stretches out and draws back inside and outside the triangular stop blocks is arranged at the position, located at the lower end of the slide way, of the moving block.
Preferably, two ends of the miniature pressure spring are respectively and fixedly connected to the inner end of the slideway and the moving block, a limiting column is sleeved at a fixed connection position of the miniature pressure spring and the moving block, and one end of the limiting column, which is far away from the moving block, crosses the through opening.
Preferably, the lower end surface of the moving block is provided with an anti-skid structure B.
Owing to adopted above technical scheme, the beneficial effects of the utility model are that: the utility model adopts the upper protective sleeve and the lower protective sleeve with the arc-shaped gap, the hanging plate and the triangular check block to respectively clamp and fix the wire end from the two sides of the wire end, and relatively seal the end of the wire end in the cavity structures of the upper protective sleeve and the lower protective sleeve for protection, thereby having good protection effect; the upper protective sleeve and the lower protective sleeve of the utility model adopt cavity structures, the cavity structures are not only suitable for placing bare ends, but also suitable for placing cold-pressed fork-shaped, round or tubular ends, and the adopted upper and lower arc-shaped gaps are suitable for clamping insulated wires with various sizes, so that the application range is wide; when the utility model is used, one hand operates the upper and lower protective sleeves, the other hand operates the insulated conducting wire, the hanging plate and the triangular stop block, one person can complete the operation, and the use is simple and convenient; generally, the utility model has the advantages of good protection effect, wide application range and simple and convenient use.
Drawings
Fig. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a schematic view of the end face structure of the upper protective sleeve and the hanging plate of the present invention.
Fig. 3 is a schematic view of the end face structure of the lower protective sheath and the triangular stop block of the present invention.
Fig. 4 is a schematic view of the overlooking structure of the relative position relationship of the mounting block, the triangular stop block, the moving block, the miniature pressure spring and the like of the present invention.
Fig. 5 is a schematic view of the end face structure of the stop collar and one end of the miniature torsion spring of the present invention.
In the figure: 1. lower protective sheath 2, anti-skidding structure A3, go up protective sheath 4, stop collar 5, miniature torsional spring 6, round pin axle 7, installation piece 8, slide 9, miniature pressure spring 10, spacing post 11, run through opening 12, anti-skidding structure B13, movable block 14, arc wall 15, triangle-shaped dog 16, link plate 17, quad slit 18, go up arc breach 19, elasticity antiskid cover A20, lower arc breach 21, elasticity antiskid cover B.
Detailed Description
The technical scheme of the utility model is further explained in detail with the attached drawings.
As shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the utility model provides an insulated wire end protective sheath, including one end through round pin axle 6 articulated last protective sheath 3 and lower protective sheath 1, it is open for cavity structure and lower extreme to go up protective sheath 3, and lower protective sheath 1 is open for cavity structure and upper end. The cavity structure is used for facilitating storage and placement of various types of wire ends and facilitating arrangement of the subsequent mounting block 7. Particularly, the upper protective sleeve 3 and the lower protective sleeve 1 which are arranged on the opposite sides in an open mode form a closed protective cavity, a temporary isolation protective space is provided for accommodating and placing the wire end head in the protective cavity, unsafe conditions that the wire end head is electrified to hurt people, and other terminals are touched by mistake or grounded can be effectively prevented, and the wire end head can be effectively protected from being damaged.
The pin shaft 6 is sleeved with a miniature torsion spring 5 between the upper protective sleeve 3 and the lower protective sleeve 1, two ends of the miniature torsion spring 5 are respectively engaged and are arranged close to the inner walls of the upper protective sleeve 3 and the lower protective sleeve 1, and then the other ends of the upper protective sleeve 3 and the lower protective sleeve 1 are opened to form a certain angle. Wherein, miniature torsional spring 5 elasticity is less, is applicable to and opens and shuts, uses under the not high condition of resilience force requirement for little, just is applicable to this protective sheath. Wherein, the opening end with a certain angle is used for facilitating the putting in of the wire end. Particularly, the original design angle at miniature torsion spring 5 both ends is exactly the angle that opens of last protective sheath 3 and lower protective sheath 1, when the both ends of miniature torsion spring 5 received inside extrusion, respectively in last protective sheath 3 and lower protective sheath 1's inner wall to subsequent link plate 16 of cooperation and triangle-shaped dog 15 will be placed in wire end card between the two and fasten and decide, and reset through elasticity after link plate 16 and triangle-shaped dog 15 separate and open the open end, make things convenient for taking out of wire end.
The centers of the opposite sides of the open ends of the upper protective sleeve 3 and the lower protective sleeve 1 are respectively provided with an upper arc-shaped notch 18 and a lower arc-shaped notch 20 which are corresponding up and down. The upper arc-shaped notch 18 and the lower arc-shaped notch 20 facilitate the placement of cylindrical conductors at the ends of the conductors in place and also facilitate the clamping of cylindrical conductors with different outer diameters.
The bilateral symmetry that lies in last arc breach 18 on the open end terminal surface of upper protective sheath 3 is equipped with two link plates 16 that can overturn from top to bottom, and the below that lies in arc breach 20 down on the open end terminal surface of lower protective sheath 1 is equipped with two and corresponds link plate 16 settings and inclined plane triangle-shaped dog 15 up, and triangle-shaped dog 15 can be followed the protective sheath and stretched out and drawn back from inside to outside down. Wherein, the hanging plate 16 which can be overturned up and down is used for being connected with the hanging buckle between the triangular stop blocks 15.
The hanging plate 16 is turned downwards after the opening ends of the upper protective sleeve 3 and the lower protective sleeve 1 are pressed inwards and is hung and buckled at the lower end of the triangular stop block 15, and the hanging plate 16 slides off from the lower end of the triangular stop block 15 through inward contraction of the triangular stop block 15.
Preferably, the hanging plate 16 is provided with a plurality of square holes 17 which are uniformly distributed up and down, and the square holes 17 are matched with the triangular stop blocks 15. The square holes 17 are used for matching the upper arc-shaped notch 18 and the lower arc-shaped notch 20 so as to better clamp the ends of the wires with different outer diameters.
Preferably, the lower terminal surface of triangle-shaped dog 15 is equipped with the arc wall 14 rather than the perpendicular setting of flexible direction, and link plate 16 is hung through arc wall 14 and is detained in the lower extreme of triangle-shaped dog 15, and sunken arc wall 14 makes things convenient for link plate 16 to hang more firmly and detain on triangle-shaped dog 15.
Preferably, the open end of the upper protective sleeve 3 is provided with an anti-slip structure A2, the anti-slip structure A2 has large friction force, so that slipping is prevented, and the upper protective sleeve 3 is convenient to press.
Preferably, the upper arc-shaped notch 18 and the lower arc-shaped notch 20 are respectively sleeved with an elastic anti-slip sleeve a19 and an elastic anti-slip sleeve B21 which are closely attached to the upper protective sleeve 3 and the lower protective sleeve 1. The elastic anti-slip sleeve A19 and the elastic anti-slip sleeve B21 are used for protecting an insulating layer of the wire end from being damaged and simultaneously better clamping the wire end.
Preferably, the inner wall of the upper protective sleeve 3 and the inner wall of the lower protective sleeve 1 are provided with limiting sleeves 4 at the positions close to the two ends of the miniature torsion springs 5, the two ends of the miniature torsion springs 5 are sleeved in the limiting sleeves 4, and the limiting sleeves 4 can prevent the two ends of the miniature torsion springs 5 from shaking randomly in the working process, so that the improvement of the overall working stability of the protective sleeve is facilitated.
Preferably, one side that the bottom of lower protective sheath 1 is located triangle-shaped dog 15 is equipped with installation piece 7, the position department that corresponds two triangle-shaped dogs 15 on the installation piece 7 is equipped with slide 8, slide 8 matches the whole appearance setting of two triangle-shaped dog 15 rear ends, the inner of slide 8 seals the setting, the inner of two triangle-shaped dogs 15 of back is equipped with common movable block 13 in slide 8 is located to the inner cover of triangle-shaped dog 15, be equipped with a plurality of parallel evenly distributed's miniature pressure spring 9 between movable block 13 and the inner of slide 8, stretch out lower protective sheath 1 setting after the lower extreme of movable block 13 runs through installation piece 7 and lower protective sheath 1 sets up, the position department that the lower extreme of slide 8 is located movable block 13 is equipped with the through opening 11 that matches the movable block 13 and follow the inside and outside flexible time movement track setting of triangle-shaped dog 15.
Preferably, two ends of the miniature pressure spring 9 are respectively and fixedly connected to the inner end of the slideway 8 and the moving block 13, a limiting column 10 is sleeved at a fixed connection position of the miniature pressure spring 9 and the moving block 13, and one end of the limiting column 10, which is far away from the moving block 13, crosses the through opening 11.
Further preferably, the lower end surface of the moving block 13 is provided with an anti-slip structure B12, and the anti-slip structure B12 increases the friction force of the lower end surface of the moving block 13, thereby facilitating the pressing and moving operation of the moving block 13.
In specific implementation, the anti-slip structure A2 and the anti-slip structure B12 can be implemented by various rough surface technologies in the prior art, such as a stripe structure, a bump matrix structure, and the like.
In specific implementation, the upper protective sleeve 3, the lower protective sleeve 1, the mounting block 7, the hanging plate 16, the triangular stop block 15 and the like can be made of nylon plastics such as PA66 and other insulating materials; the elastic anti-slip sleeve A19 and the elastic anti-slip sleeve B21 can be made of elastic materials such as silica gel or rubber; the miniature torsion spring 5 and the miniature pressure spring 9 are made of metal materials with long service life, and the surfaces of the miniature torsion spring and the miniature pressure spring are subjected to zinc plating or nickel plating anti-oxidation treatment.
After the installation, can put into use the utility model discloses whether the inspection protective sheath outward appearance is damaged at first, then this protective sheath is handed on the left side, the wire end is handed on the right side, insert this protective sheath with the wire end from the position that is close to lower arc breach 20 between upper arc breach 18 and lower arc breach 20, until the insulating layer of wire end contacts with lower arc breach 20, then press the open end of protective sheath 3 and lower protective sheath 1 respectively, after both press the wire end tightly, the right hand loosens the insulating end, hang two link plates 16 and detain better than two triangle-shaped dogs 15 respectively, then suitably outwards stimulate the wire with the right hand, guarantee not have not become flexible the condition can, otherwise operate the relative position of hanging the knot junction again to suitable gear, so far this protective sheath begins to provide good isolation protection effect to the wire end; when resuming the wire, this protective sheath is held to the left hand, and inwards promote the movable block 13 with suitable left hand finger, triangle-shaped dog 15 in the withdrawal slide 8 is spacing link plate 16 no longer, so link plate 16 breaks away from triangle-shaped dog 15, go up protective sheath 3 and lower protective sheath 1 and open its open end under miniature torsional spring 5's elasticity reset action down, it can to take out the wire end with the right hand, treat the wire end and take out the back completely, loosen the finger of movable block 13 lower extreme, triangle-shaped dog 15 stretches out outside lower protective sheath 1 under miniature pressure spring 9's elasticity reset action, resume home position, this protective sheath is to the isolation protection effect completion of wire end up to this moment.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (9)
1. The utility model provides an insulated wire end protective sheath which characterized in that: the upper protective sleeve is of a cavity structure, the lower protective sleeve is of a cavity structure, the upper end of the lower protective sleeve is open, a miniature torsion spring is sleeved between the upper protective sleeve and the lower protective sleeve on the pin shaft, two ends of the miniature torsion spring are respectively matched and are arranged close to the inner walls of the upper protective sleeve and the lower protective sleeve, then the other ends of the upper protective sleeve and the lower protective sleeve are opened to form a certain angle, an upper arc-shaped notch and a lower arc-shaped notch which correspond to each other up and down are respectively arranged at the centers of one sides, opposite to the opening ends of the upper protective sleeve and the lower protective sleeve, of the upper protective sleeve, two hanging plates which can be turned over up and down are symmetrically arranged on two sides of the upper arc-shaped notch on the end surface of the opening end of the upper protective sleeve, two triangular stop blocks which correspond to the hanging plates and are arranged with the inclined surfaces upward are arranged below the lower arc-shaped notch on the end surface of the lower protective sleeve, and the triangular stop blocks can extend and retract inside and outside the lower protective sleeve;
the link plate through inwards press go up the protective sheath with turn over down behind the open end of protective sheath hang detain in the lower extreme of triangle-shaped dog, the link plate passes through the inward shrink of triangle-shaped dog is followed the lower extreme slippage of triangle-shaped dog.
2. The insulated wire termination boot of claim 1, wherein: the hanging plate is provided with a plurality of square holes which are uniformly distributed up and down, and the square holes are matched with the triangular check blocks.
3. The insulated conductor terminal protection sleeve of claim 1, wherein: the lower end face of the triangular check block is provided with an arc-shaped groove which is perpendicular to the telescopic direction of the triangular check block, and the hanging plate is hung and buckled at the lower end of the triangular check block through the arc-shaped groove.
4. The insulated wire termination boot of claim 1, wherein: and an anti-skid structure A is arranged on the outer side of the opening end of the upper protective sleeve.
5. The insulated wire termination boot of claim 1, wherein: the upper arc-shaped gap and the lower arc-shaped gap are respectively sleeved with an elastic anti-slip sleeve A and an elastic anti-slip sleeve B which are tightly attached to the upper protective sleeve and the lower protective sleeve.
6. The insulated wire termination boot of claim 1, wherein: the inner walls of the upper protective sleeve and the lower protective sleeve are provided with limiting sleeves at the positions close to the two ends of the miniature torsion spring, and the two ends of the miniature torsion spring are sleeved in the limiting sleeves.
7. The insulated wire termination boot of claim 1, wherein: the bottom of the lower protective sleeve is provided with an installation block on one side of the triangular stop blocks, slide ways are arranged at positions corresponding to the two triangular stop blocks on the installation block, the slide ways are matched with the overall appearance of the rear ends of the two triangular stop blocks, the inner ends of the slide ways are arranged in a closed mode, the inner ends of the two triangular stop blocks are provided with common movable blocks after being sleeved in the slide ways, a plurality of miniature pressure springs which are evenly distributed in parallel are arranged between the movable blocks and the inner ends of the slide ways, the lower ends of the movable blocks penetrate through the installation block and the lower protective sleeve and then extend out of the lower protective sleeve, and through openings matched with the movable blocks and arranged along the movement track when the movable blocks stretch out and draw back inside and outside the triangular stop blocks are arranged at the positions of the lower ends of the slide ways.
8. The insulated conductor terminal protection sleeve of claim 7, wherein: two ends of the miniature pressure spring are respectively and fixedly connected to the inner end of the slideway and the moving block, a limiting column is sleeved at the fixed connection position of the miniature pressure spring and the moving block, and one end of the limiting column, which is far away from the moving block, spans the through opening.
9. The insulated wire termination boot of claim 7, wherein: and an anti-skid structure B is arranged on the lower end surface of the moving block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221782519.6U CN217741286U (en) | 2022-07-12 | 2022-07-12 | Insulated conductor end protective sheath |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221782519.6U CN217741286U (en) | 2022-07-12 | 2022-07-12 | Insulated conductor end protective sheath |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217741286U true CN217741286U (en) | 2022-11-04 |
Family
ID=83843964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221782519.6U Active CN217741286U (en) | 2022-07-12 | 2022-07-12 | Insulated conductor end protective sheath |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217741286U (en) |
-
2022
- 2022-07-12 CN CN202221782519.6U patent/CN217741286U/en active Active
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