CN212626135U - Wiring terminal for cable - Google Patents
Wiring terminal for cable Download PDFInfo
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- CN212626135U CN212626135U CN202021719595.3U CN202021719595U CN212626135U CN 212626135 U CN212626135 U CN 212626135U CN 202021719595 U CN202021719595 U CN 202021719595U CN 212626135 U CN212626135 U CN 212626135U
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- cable
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- pipe
- compression
- sealing
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Abstract
The utility model provides a connecting terminal for cable, belonging to the field of power equipment, comprising an electric appliance connecting part, a cable crimping part and a compression sealing element, wherein one end of the cable crimping part is sealed and fixedly connected with the electric appliance connector, and the other end is provided with a plug wire port for inserting the cable; the pressing sealing part is sleeved on the outer side of the cable pressing part and used for pressing and sealing the cable pressing part inserted with the cable. The utility model discloses a set up cable crimping portion into inside UNICOM and the ladder tubular structure that the internal diameter increases in proper order, realized that the cable does not have the smooth and easy grafting of hindrance, not only operate more convenient and fast, and more can guarantee the grafting degree of target in place of naked sinle silk and binding post. Meanwhile, the quick crimping and sealing of the wiring terminal and the cable are realized through the sliding assembly structure of the compression sealing element, the cable crimping pipe and the compression pre-connection pipe and the stress deformation structure of the compression pre-connection pipe in a matched mode, the crimping is firm and stable, the sealing is tight and lasting, and the defects in the prior art are overcome.
Description
Technical Field
The utility model relates to a power equipment technical field, in particular to binding post for cable.
Background
The connecting terminal is a connecting piece for connecting the wire and the cable to the electrical equipment, the top end of the connecting terminal is an upper screw edge fixed with the electrical equipment, and the tail end of the connecting terminal is a crimping pipe for crimping the stripped wire and cable copper core. After the cable core inserts the crimping pipe, need at binding post surface crimping multichannel indentation, the purpose is guaranteed binding post and cable conductor in close contact with, reduces contact resistance, realizes the firm connection with the cable simultaneously. However, in actual operation, the situation that the crimped part is loosened or even separated due to cable pulling during trimming often occurs, so that the contact resistance is increased, and even the electrical appliance is powered off, so that potential safety hazards are caused.
Meanwhile, the cable connecting end of the wiring terminal is usually sealed by an insulating adhesive tape, and is easy to age and loosen after being exposed for a long time, so that the insulating property is reduced or rainwater is easy to corrode to cause potential safety hazards. In order to solve the problem, in the prior art, a method of arranging a sealing rubber ring in a cable crimping pipe is adopted, for example, in the patent application with the publication number of CN110534938A, although the method can relieve the sealing problem of the cable connecting end of the wiring terminal to a certain extent, because the sealing rubber ring is arranged at the inner side of the crimping pipe, in the process of inserting the cable into the crimping pipe, the sealing rubber ring protrudes to form a block, so that the cable is not smoothly inserted, the end of the cable is not easily and completely inserted into the internal terminal position of the wiring terminal, and the plug-in connection is not in place, thereby causing more defects.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a binding post for cable through reasonable structural design for its is more stable with being connected of cable, the port seals the effect better, and the connection is more smooth and easy, with the defect of overcoming existence among the prior art.
In order to achieve the above object, the utility model provides a following technical scheme:
a terminal for a cable, comprising:
the electric appliance connecting part is used for being fixedly connected with the electric appliance wiring terminal;
the cable crimping part is sealed at one end and fixedly connected with the electric appliance connecting part, and a cable plugging port for inserting a cable is formed in the other end;
and the compression sealing piece is sleeved on the outer side of the cable crimping part and is used for compressing and sealing the cable crimping part inserted with the cable.
In one embodiment disclosed by the application, the cable crimping part is of a stepped tubular structure and comprises a wire core crimping pipe, a cable crimping pipe and a compression pre-connection pipe, wherein the wire core crimping pipe, the cable crimping pipe and the compression pre-connection pipe are communicated with each other inside, and the inner diameters of the wire core crimping pipe, the cable crimping pipe and the compression pre-connection pipe are sequentially increased; the inside of the compression sealing element is provided with a sliding groove matched with the sliding rail, and the compression sealing element is connected with the cable crimping pipe and the compression pre-connection pipe in a sliding mode through the sliding groove and the sliding rail.
In an embodiment disclosed in the present application, the slide rail is located the end of plug wire mouth and all is equipped with the stopper.
In one embodiment of the present disclosure, the compression seal is an annular collar having a minimum inner diameter that corresponds to an outer diameter of the cable crimp tube; the inner side of the ring sleeve is positioned between every two sliding grooves, and a plurality of arc-shaped grooves are also arranged.
In one embodiment disclosed herein, the compression pre-joint tube is made of a material that is easily deformed by an external force.
In one embodiment disclosed in the present application, the compression pre-joint pipe is made of elastic rubber.
In one embodiment disclosed herein, the compression pre-joint tube is made of a soft copper alloy.
In one embodiment disclosed in the present application, a crimping identification structure is further disposed outside the wire core crimping pipe.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a set up cable crimping portion into inside UNICOM and internal diameter sinle silk crimping pipe, cable crimping pipe that increase in proper order and compress tightly and take over in advance, when carrying out the plug wire operation, can realize unimpeded smooth and easy grafting of cable, not only operate more convenient and fast, and more can guarantee the grafting degree of targetting in place of naked sinle silk and binding post.
Meanwhile, the pressing sealing element, the cable pressing connection pipe and the movable assembling structure of the pressing pre-connection pipe are adopted, the pressing pre-connection pipe is made of a material which is easy to deform under the action of external force, and the pressing pre-connection pipe and the outer wall of the cable are forced to form strong extrusion by the aid of strong extrusion acting force of the pressing sealing element on the pressing pre-connection pipe, so that the pressing sealing of the wiring terminal and the cable is realized. The structure realizes the quick compression joint sealing of the wiring terminal and the cable, the compression joint is firm and stable, the sealing is tight and lasting, and the disassembly of the cable and the wiring terminal in the later period is facilitated.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the compression seal of FIG. 1 with the compression seal removed;
fig. 3 is a schematic structural view of the compression sealing element of the present invention sliding to compress the bottom of the pre-connection pipe;
fig. 4 is a schematic cross-sectional structure view of the compression seal and the cable crimping portion of the present invention;
fig. 5 is a schematic cross-sectional structure view of the pressing sealing member of the present invention disposed outside the cable pressing pipe;
fig. 6 is a schematic cross-sectional structure view of the compressed sealing member of the present invention sleeved outside the compressed pre-connection pipe;
FIG. 7 is a schematic view of the state of the process of plugging the cable according to the present invention;
fig. 8 is a schematic structural diagram in the second embodiment.
In the figure:
1-electric appliance connecting part, 11-fixed mounting hole;
2-cable crimping part, 21-wire core crimping pipe, 22-cable crimping pipe, 23-compaction pre-connection pipe, 24-wire plugging port, 25-sliding rail and 26-limiting block;
3-a compression sealing element, 31-a sliding chute and 32-an arc-shaped groove;
4-crimping identification structure.
Detailed Description
In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Example one
As shown in fig. 1 to 7, the utility model provides a connecting terminal for cable, which comprises an electrical appliance connecting part 1, a cable crimping part 2 and a compression sealing element 3, wherein the electrical appliance connecting part 1 is provided with a fixed mounting hole 11 for fixedly connecting with an electrical appliance wiring end; one end of the cable crimping part 2 is sealed and fixedly connected with the electric appliance connecting part 1, and the other end of the cable crimping part is provided with a wire plugging port 24 for inserting a cable; the compression sealing part 3 is sleeved on the outer side of the cable crimping part 2 and used for compressing and sealing the cable crimping part 2 inserted with a cable.
In this implementation, cable crimping portion 2 is ladder tubular structure, including inside UNICOM and the sinle silk crimping pipe 21, cable crimping pipe 22 that the internal diameter increases in proper order and compress tightly pre-connection pipe 23, the internal diameter of sinle silk crimping pipe 21 and the diameter phase-match of the bare core in the cable, the internal diameter of cable crimping pipe 22 and the diameter phase-match of cable (including outer insulating skin), compress tightly the internal diameter of pre-connection pipe 23 and slightly be greater than the internal diameter of cable crimping pipe, in this embodiment, compress tightly the internal diameter of pre-connection pipe 23 and slightly be greater than the internal diameter 1mm of cable crimping pipe 22. Through the design of the stepped tubular structure with different inner diameters, when the cable is spliced to the cable crimping part 2, the whole plug wire channel is smooth and unimpeded, the plug wire operation is convenient and fast, and the splicing in-place degree of the bare wire core and the wiring terminal can be ensured.
Sliding rails 25 extending along the axial direction of the cable are uniformly arranged on the outer sides of the cable crimping pipe 22 and the compressing pre-connecting pipe 23, in the embodiment, the number of the sliding rails 25 is 3, and the tail ends of the sliding rails 25, which are positioned at the cable plugging port 24, are provided with limiting blocks 26; in this embodiment, the compression sealing element 3 is an annular ring sleeve, a sliding groove 31 matched with the sliding rail 25 is arranged in the compression sealing element 3, and the compression sealing element 3 is slidably connected with the cable crimping pipe 22 and the compression pre-connection pipe 23 through the matching of the sliding groove 31 and the sliding rail 25.
In this embodiment, the minimum inner diameter of the annular ring is consistent with the outer diameter of the cable crimping pipe 22, so that when the annular ring is sleeved on the cable crimping pipe 22, the annular ring can smoothly slide outside the cable crimping pipe 22 without resistance; the inner side of the annular ring sleeve is positioned between every two sliding grooves, and a plurality of arc-shaped grooves 32 which are mutually parallel without intervals are also arranged.
The pressing pre-connection pipe 23 is made of a material which is easy to deform under the action of external force, and in the embodiment, the pressing pre-connection pipe 23 is made of elastic rubber; in other embodiments, the compressing pre-connection tube 23 may also be made of soft copper alloy, soft aluminum alloy, etc. so as to have the characteristics of being capable of generating deformation when being subjected to the squeezing force generated by manually pushing the annular ring, thereby allowing the annular ring to continue sliding and pushing, and simultaneously realizing compressing and sealing of the cable, which is not particularly limited in this embodiment.
During the use, earlier peel off the insulating crust of cable tip and expose naked sinle silk, then inwards insert the cable from the plug wire mouth 24 department of cable crimping portion 2, in proper order through compressing tightly in advance takeover 23, cable crimping pipe 22 and sinle silk crimping pipe 21 grafting in place, the naked sinle silk of cable tip inserts to sinle silk crimping pipe 21 in, cable crimping pipe 22 and compress tightly in advance the takeover 23 cable then have insulating crust. Because the internal diameter of sinle silk crimping pipe 21 suits with naked sinle silk diameter, and cable crimping pipe 22 suits with the cable (including outer insulating skin) diameter, and compresses tightly the internal diameter that takeover 23 in advance and be greater than cable crimping pipe 22 internal diameter to make whole plug wire passageway very smooth and easy, plug wire convenient operation is swift. After the plugging is finished, the wire core crimping pipe 21 is crimped to fixedly crimp the bare wire core therein, and then the pressing sealing element 3, namely the annular ring, on the outer side of the cable crimping pipe 22 is pulled forcibly towards one side of the pressing pre-connection pipe 23, so that the pressing pre-connection pipe slides downwards along the slide rail 25 to the bottom of the pressing pre-connection pipe 23. Because the compressing pre-connection pipe 23 is made of a material which is easy to deform under the action of external force, and a plurality of arc-shaped grooves 32 are arranged between every two sliding grooves 31 in the annular ring sleeve, in the process that the annular ring sleeve slides downwards, the compressing pre-connection pipe 23 deforms under the extrusion of the annular ring sleeve, the outer side of the pipe wall of the compressing pre-connection pipe is extruded into the arc-shaped grooves 32 in the annular ring sleeve, and the inner side of the pipe wall of the compressing pre-connection pipe is extruded to be tightly attached to the outer wall of the cable, so that the compressing sealing of. Through the sliding assembly structure of the compression sealing element 3, the cable crimping pipe 22 and the compression pre-connection pipe 23, the quick crimping sealing of the wiring terminal and the cable can be realized, the crimping is firm and stable, the sealing is tight and lasting, and the later-stage cable and the wiring terminal can be conveniently detached.
Example two
In the first embodiment, the cable crimping part 2 is improved, so that the cable (including the outer insulating layer) and the terminal are rapidly and stably crimped and sealed, the connection between the cable and the terminal is very stable and reliable, and the cable is not easily pulled loose. The second embodiment is on the basis of the first embodiment, further improves the sinle silk crimping pipe 21 of cable crimping portion 2 to realize naked sinle silk and binding post's fast and stable connection, and then guarantee from sinle silk, cable two aspects and be connected compactness and stability with binding post. The method specifically comprises the following steps:
in this embodiment, the sinle silk crimping pipe 21 outside still is equipped with crimping sign structure 4, and is concrete, as shown in fig. 8, sinle silk crimping pipe 21 outside is equidistant to be equipped with three indentures, and the workman can directly conveniently confirm the crimping position fast through not measuring when carrying out the crimping operation of naked sinle silk, utilizes crimping pincers directly to carry out the crimping on the indentation, improves operation accuracy and standardization, can improve crimping efficiency when guaranteeing the crimping quality.
In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A connecting terminal for a cable, comprising:
the electric appliance connecting part is used for being fixedly connected with the electric appliance wiring terminal;
the cable crimping part is sealed at one end and fixedly connected with the electric appliance connecting part, and a cable plugging port for inserting a cable is formed in the other end;
and the compression sealing piece is sleeved on the outer side of the cable crimping part and is used for compressing and sealing the cable crimping part inserted with the cable.
2. The cable connecting terminal according to claim 1, wherein the cable crimping part comprises a wire core crimping pipe, a cable crimping pipe and a compaction pre-connecting pipe which are communicated with each other internally and have successively increased inner diameters, and sliding rails extending along the axial direction of the cable are uniformly arranged on the outer sides of the cable crimping pipe and the compaction pre-connecting pipe; the inside of the compression sealing element is provided with a sliding groove matched with the sliding rail, and the compression sealing element is connected with the cable crimping pipe and the compression pre-connection pipe in a sliding mode through the sliding groove and the sliding rail.
3. The cable connecting terminal according to claim 2, wherein the slide rail is provided with a stopper at the end of the plug port.
4. A terminal according to claim 2, wherein the compression seal is an annular collar having a minimum inner diameter corresponding to the outer diameter of the cable crimping tube; the inner side of the annular ring sleeve is positioned between every two sliding grooves, and a plurality of arc-shaped grooves are also arranged.
5. A terminal block according to claim 2, wherein the compression prefonner is made of a material that is easily deformable by an external force.
6. A terminal block for cables according to claim 2, wherein the pinched pre-connection tube is made of an elastic rubber.
7. The cable terminal according to claim 2, wherein a crimp identification structure is further provided outside the core crimp tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021719595.3U CN212626135U (en) | 2020-08-18 | 2020-08-18 | Wiring terminal for cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021719595.3U CN212626135U (en) | 2020-08-18 | 2020-08-18 | Wiring terminal for cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212626135U true CN212626135U (en) | 2021-02-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021719595.3U Active CN212626135U (en) | 2020-08-18 | 2020-08-18 | Wiring terminal for cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212626135U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113964553A (en) * | 2021-11-25 | 2022-01-21 | 国网山东省电力公司威海市文登区供电公司 | Waterproof wiring nose |
-
2020
- 2020-08-18 CN CN202021719595.3U patent/CN212626135U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113964553A (en) * | 2021-11-25 | 2022-01-21 | 国网山东省电力公司威海市文登区供电公司 | Waterproof wiring nose |
| CN113964553B (en) * | 2021-11-25 | 2023-04-18 | 国网山东省电力公司威海市文登区供电公司 | Waterproof wiring nose |
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