CN111509409B - Exempt from crimping intelligent terminal - Google Patents
Exempt from crimping intelligent terminal Download PDFInfo
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- CN111509409B CN111509409B CN202010294071.2A CN202010294071A CN111509409B CN 111509409 B CN111509409 B CN 111509409B CN 202010294071 A CN202010294071 A CN 202010294071A CN 111509409 B CN111509409 B CN 111509409B
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- reducing pipe
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/10—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
- H01R4/18—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
- H01R4/4854—Clamped connections, spring connections utilising a spring, clip, or other resilient member using a wire spring
- H01R4/4863—Coil spring
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/50—Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw
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Abstract
The invention discloses a pressure-connection-free intelligent terminal, which comprises a connecting unit, a pressure-connection-free intelligent terminal and a pressure-connection-free intelligent terminal, wherein the connecting unit comprises a connecting sleeve and a connecting piece positioned in the connecting sleeve; the pressing unit comprises a butting sleeve detachably connected with one end of the connecting sleeve and a pressing core positioned in the butting sleeve, and the pressing core is provided with a through hole; the cable comprises a conducting wire which is in contact with the connecting piece and an insulating layer which wraps the conducting wire, and the cable penetrates through the through hole; the inner part of the terminal is designed to be provided with the elastic cone, when the lead is inserted into the terminal, the cone can uniformly disperse a plurality of strands of leads, the contact area is increased, the contact resistance is reduced, and the cable is fastened at the position connected with the cone by the pressing unit and is not easy to fall off; and the insulating protective sleeve matched with the insulating protective sleeve is designed, so that the connection is attractive, waterproof and corrosion-resistant, and the service life of the insulating layer is prolonged.
Description
Technical Field
The invention relates to the field of power distribution maintenance, in particular to a pressure-free intelligent terminal.
Background
The connecting terminal is used for conveniently connecting the wires, and is actually a section of metal sheet sealed in insulating plastic, both ends of the metal sheet are provided with holes for inserting the wires, and screws are used for fastening or loosening, for example, two wires are connected at times and disconnected at times, and then the two wires can be connected by using the terminal and disconnected at any time without welding or winding the two wires together, so that convenience and rapidness are realized. The novel power cable is suitable for interconnection of a large number of wires, and has special terminal blocks and terminal boxes in the power industry, wherein the terminal blocks are all single-layer, double-layer, current, voltage, common and breakable.
Most of the existing wiring terminals are connected with wires in a crimping mode, the wiring terminals with the same or similar types as the corresponding wires need to be adopted before connection, and matched dies are selected through hydraulic tongs to crimp the wiring terminals during crimping. At present, the traditional lead connection mode has the defects of high process line consumption, labor and time waste, and the quality is influenced by climate cold and hot loosening and operation skills, so that the reliability is difficult to guarantee. Traditional wire stripping connected mode, it is longer to strip wire insulating layer distance, and the kinking transposition process cost plenty of time and need professional training, and the ageing potential safety hazard that exists of the insulating tape of winding simultaneously. The insulating tape is easy to fall off after aging, and line equipment faults and even fire disasters can be caused frequently, so that a great amount of personal injury and property loss are caused.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments, and in this section as well as in the abstract and the title of the invention of this application some simplifications or omissions may be made to avoid obscuring the purpose of this section, the abstract and the title of the invention, and such simplifications or omissions are not intended to limit the scope of the invention.
The present invention has been made keeping in mind the above problems occurring in the prior art and/or the problems occurring in the prior art.
Therefore, the technical problems to be solved by the invention are that the traditional wiring mode has various working procedures, the wiring is not firm, and the insulating adhesive tape is easy to age.
In order to solve the technical problems, the invention provides the following technical scheme: the pressure-connection-free intelligent terminal comprises a connecting unit, a connecting unit and a connecting unit, wherein the connecting unit comprises a connecting sleeve and a connecting piece positioned in the connecting sleeve; the pressing unit comprises a butting sleeve detachably connected with one end of the connecting sleeve and a pressing core positioned in the butting sleeve, and the pressing core is provided with a through hole; the cable, including with the wire of connecting piece contact, and wrap up in the insulating layer of wire, the cable passes the through-hole.
As a preferable scheme of the crimp-free intelligent terminal of the present invention, wherein: the connecting sleeve is internally provided with two connecting pieces which are symmetrically arranged, the connecting sleeve is provided with a placing groove, each connecting piece comprises a cone and a sliding round table, the cone is in contact with the lead, and the sliding round tables are arranged in the placing groove; the two connecting pieces are connected through a connecting spring, and two ends of the connecting spring are respectively connected with the corresponding sliding round tables.
As a preferable scheme of the crimp-free intelligent terminal of the present invention, wherein: one end of the connecting sleeve is provided with a first thread, one end of the butting sleeve is provided with a second thread, and the first thread is in fit connection with the second thread.
As a preferable scheme of the crimp-free intelligent terminal of the present invention, wherein: the other end of the butt joint sleeve is connected with a first reducing diameter, one end of the pressing core is connected with a second reducing diameter, and the second reducing diameter is positioned on the inner side of the first reducing diameter; the inner surface of the first reducing pipe is a conical surface, and the outer surface of the second reducing pipe is a conical surface; the end part with the second variable diameter extends to form a pressing end, and the diameter of the pressing end is smaller than the inner diameter of the smaller end with the first variable diameter.
As a preferable scheme of the crimp-free intelligent terminal of the present invention, wherein: the second reducing pipe is provided with a compaction hole, the compaction hole is formed by penetrating a through hole to the outer side of the second reducing pipe, and the axis of the compaction hole is perpendicular to a bus of the conical surface at the outer side of the second reducing pipe; the compaction unit further comprises a roller, the roller is arranged in the compaction hole, the roller is in clearance fit with the compaction hole, two ends of the roller are hemispherical, one end of the roller is abutted to the first reducing hole, and the other end of the roller is abutted to the insulating layer.
As a preferable scheme of the crimp-free intelligent terminal of the present invention, wherein: the compressing unit further comprises a gland, the gland is connected with one end, provided with a second thread, of the butting sleeve, a third thread is arranged on the side face of the gland, a fourth thread is further arranged at one end, provided with the second thread, of the butting sleeve, and the third thread is connected with the fourth thread in a matched mode.
As a preferable scheme of the crimp-free intelligent terminal of the present invention, wherein: the pressing unit further comprises a second spring, the second spring is located in the butt-joint sleeve, one end of the second spring is connected with the pressing cover, and the other end of the second spring is connected with the pressing core.
As a preferable scheme of the crimp-free intelligent terminal of the present invention, wherein: the gland still be provided with the guide hole of through-hole coaxial axle center, the guide hole diameter is greater than the diameter of cable, the guide hole is close to the one end that compresses tightly the core is the toper face, and the other end is provided with the dismantlement groove.
As a preferable scheme of the crimp-free intelligent terminal of the present invention, wherein: the outer surface of the compression core is provided with a limiting groove, a limiting boss is arranged on the inner side of the butt joint sleeve, and the limiting groove is embedded in the limiting boss; the outer surface of the compression core is further provided with a disassembly hole, a disassembly groove is formed in the position, corresponding to the disassembly hole, of the butt joint sleeve, and the disassembly groove is axially arranged along the butt joint sleeve.
As a preferable scheme of the crimp-free intelligent terminal of the present invention, wherein: the pressing unit further comprises a protecting sleeve, and the protecting sleeve is sleeved on the butt joint sleeve.
The invention has the beneficial effects that: the interior of the connecting terminal is designed to be provided with an elastic cone, when a lead is inserted into the terminal, the cone can uniformly disperse a plurality of strands of leads, the contact area is increased, the contact resistance is reduced, the pressing unit fastens the cable at the position connected with the cone, the cable is not easy to fall off, and the two leads can be easily and conveniently lapped without using tools for crimping; and the insulating protective sleeve matched with the insulating protective sleeve is designed, so that the connection is attractive, waterproof and corrosion-resistant, and the service life of the insulating layer is prolonged.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:
fig. 1 is a schematic view of an appearance structure of a non-crimp intelligent terminal according to an embodiment of the present invention;
fig. 2 is a schematic cross-sectional view of an integral structure of a crimp-free intelligent terminal according to an embodiment of the present invention;
fig. 3 is a schematic view of a quarter section structure of a non-crimp intelligent terminal according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a pressing unit in a non-crimp intelligent terminal according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a pressing core in a non-pressing intelligent terminal according to an embodiment of the present invention;
fig. 6 is a schematic structural view of a butt-joint sleeve in a non-crimp intelligent terminal according to an embodiment of the present invention
Fig. 7 is a schematic structural diagram of wire butting in a crimp-free intelligent terminal according to an embodiment of the present invention;
fig. 8 is a schematic diagram of a wiring process in the non-crimp intelligent terminal according to an embodiment of the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Next, the present invention will be described in detail with reference to the drawings, wherein the cross-sectional views illustrating the structure of the device are not enlarged partially according to the general scale for convenience of illustration when describing the embodiments of the present invention, and the drawings are only examples, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Examples
Referring to fig. 1 to 8, the embodiment provides a crimping-free intelligent terminal, which includes a connection unit 100, including a connection sleeve 101, and a connection member 102 located in the connection sleeve 101; the connecting sleeve 101 is an insulator, the connecting piece 102 is accommodated in the connecting sleeve, the connecting piece 102 is a conductor, and the connecting piece 102 is connected with other conductors in the connecting sleeve 101 to transmit current; the pressing unit 200 comprises a butt joint sleeve 201 detachably connected with one end of the connecting sleeve 101 and a pressing core 202 positioned in the butt joint sleeve 201, the pressing core 202 is provided with a through hole 202a, the butt joint sleeve 201 is an insulator, the pressing core 202 is also an insulator, and the through hole 202a penetrates through the pressing core 202 along the axis of the pressing core 202; the cable 300 includes a conductive wire 301 contacting the connector 102 and an insulating layer 302 covering the conductive wire 301, and the cable 300 sequentially passes through the through hole 202a and contacts the connector 102. Preferably, two connecting pieces 102 are arranged in the connecting sleeve 101 and symmetrically arranged, the connecting sleeve 101 is provided with a placing groove 101a, each connecting piece 102 comprises a cone 102a and a sliding circular table 102b, the cone 102a is in contact with the lead 301, the sliding circular table 102b is arranged in the placing groove 101a and can slide in the axial direction in the placing groove 101a, the cable 300 extending out of the pressing unit 200 is stripped of the insulating layer 302 to expose the lead 301 and is in contact with the cone 102a, the cones 102a are respectively connected with the dispersed strands of the lead 301 to increase the contact area and reduce the contact resistance, preferably, the two connecting pieces 102 are connected through the connecting spring 103 to form a passage, two ends of the connecting spring 103 are respectively connected with the corresponding sliding circular tables 102b, and the connecting spring 103 pushes the sliding circular table 102b to enable the cone 102a to be in close contact with the lead 301.
Furthermore, one end of the connecting sleeve 101 is provided with a first thread 101b, the first thread 101b is an external thread, one end of the butt-joint sleeve 201 is provided with a second thread 201a, and the second thread 201a is an internal thread, and the first thread 101b is in fit connection with the second thread 201 a; of course, the connection mode between the connection sleeve 101 and the docking sleeve 201 is not limited to the threaded connection, and may be a snap connection or the like.
Further, the other end of the butting sleeve 201 is connected with a first reducing pipe 203, the larger end of the first reducing pipe 203 is connected with the butting sleeve 201, correspondingly, one end of the pressing core 202 is connected with a second reducing pipe 204, and the larger end of the second reducing pipe 204 is connected with the pressing core 202; the second reducing diameter 204 is positioned inside the first reducing diameter 203; the inner surface of the first reducing pipe 203 is a conical surface, and the outer surface of the second reducing pipe 204 is a conical surface; the angle between the generatrix of the conical surface formed by the first reducing 203 and the second reducing 204 and the axis is consistent; the end of the second reducing diameter 204 extends to form a pressing end 204a, and the diameter of the pressing end 204a is smaller than the inner diameter of the smaller end of the first reducing diameter 203.
Furthermore, the second reducing pipe 204 is provided with a pressing hole 204b, the pressing hole 204b is formed by penetrating the through hole 202a to the outer side of the second reducing pipe 204, and the axis of the pressing hole 204b is perpendicular to a generatrix of the conical surface at the outer side of the second reducing pipe 204; the pressing unit 200 further comprises a roller 205, the roller 205 is arranged in the pressing hole 204b, the roller 205 is in clearance fit with the pressing hole 204b, two ends of the roller 205 are hemispherical, one end of the roller 205 is abutted with the first reducing diameter 203, and the other end of the roller 205 is abutted with the insulating layer 302 to generate friction force to limit the insulating layer 302 to move in the through hole 202 a.
Further, the pressing unit 200 further includes a pressing cover 206, the pressing cover 206 is connected to one end of the docking sleeve 201 having the second thread 201a, a third thread 206a is arranged on a side surface of the pressing cover 206, the third thread 206a is an external thread, one end of the docking sleeve 201 having the second thread 201a is further provided with a fourth thread 201b, the fourth thread 201b is an internal thread, and the third thread 206a is in fit connection with the fourth thread 201 b. The pressing unit 200 further comprises a second spring 207, the second spring 207 is positioned in the butting sleeve 201, one end of the second spring 207 is connected with the pressing cover 206, the other end of the second spring is connected with the pressing core 202, the pressing core 202 is moved towards the first reducing diameter 203 by the elastic force of the second spring 207, and even if the gap between the first reducing diameter 203 and the second reducing diameter 204 is reduced, the roller 205 is pressed in the pressing hole 204 b; the gland 206 is also provided with a guide hole 206b coaxial with the through hole 202a, the diameter of the guide hole 206b is larger than that of the cable 300, the guide hole 206b guides the cable 300 extending from the pressing core 202, so that the cable 300 passes through the guide hole 206b to be connected with the connecting piece 102, one end of the guide hole 206b close to the pressing core 202 is a conical surface 206b-1, and the guide wire 301 is prevented from loosening and entering the guide hole 206b after the cable 300 passes through the pressing core 202; the other end of the guide hole 206b is provided with a removal groove 206b-2, preferably, the removal groove 206b-2 is a hexagonal socket, which can be removed by a hexagonal wrench.
Furthermore, in order to prevent the pressing core 202 from rotating unnecessarily in the docking sleeve 201 to cause the winding of the conducting wire, a limiting groove 202b is formed in the outer surface of the pressing core 202, a limiting boss 201c is arranged on the inner side of the docking sleeve 201, and the limiting groove 202b is embedded in the limiting boss 201c, so that the pressing core 202 can only slide along the axis in the docking sleeve 201 and cannot rotate.
Preferably, the outer surface of the pressing core 202 is further provided with a detaching hole 202c, the position of the docking sleeve 201 corresponding to the detaching hole 202c is provided with an adjusting groove 201d, the adjusting groove 201d is axially arranged along the docking sleeve 201, and when the lead 301 is detached, the lead 301 can be detached by penetrating the detaching groove 206b-2 into the detaching hole 202c by using a test pencil and applying pressure to the direction of the gland 206. Preferably, the pressing unit 200 further includes a protecting jacket 208, the protecting jacket 208 is sleeved on the butting jacket 201, the protecting jacket 208 is made of a waterproof and corrosion-resistant material, and the protecting jacket 208 can further fix the position of the cable 300 to prevent dislocation.
Specifically, the working principle of this embodiment is as follows: in an initial state, the cable 300 is not connected, at this time, the cable 300 does not exist in the pressing core 202, the pressing core 202 is pushed by the second spring 207, the second reducing diameter 204 is also pushed, the pressing core 202 is located at the position which is the largest away from the gland 206, the gap between the first reducing diameter 203 and the second reducing diameter 204 is the smallest, the distance between the two rollers 205 is the closest, when the connection is needed, the insulating layer 302 at the end of the cable 300 is stripped to expose the conducting wire 301, if the conducting wire 301 is not electrified, the pressing end 204a can be pressed down to retract the pressing end 204a into the butting sleeve 201, if the conducting wire 301 has current, the test pencil penetrates through the dismounting groove 206b-2 to extend into the dismounting hole 202c and applies pressure to the gland 206 direction to retract the pressing end 204a into the butting sleeve 201, at this time, the distance between the pressing core 202 and the gland 206 is the closest, and the gap between the first reducing diameter 203 and the second reducing diameter 204 is increased, the roller 205 is separated from one end of the first reducing pipe 203, the cable 300 extends into the pressing end 204a from the through hole 202a until the cable penetrates through the pressing cover 206 and extends out of the exposed part of the conducting wire 301, the conducting wire 301 is in contact with the cone 102a, the cone 102a can disperse a plurality of strands of conducting wires 301, the contact area is increased, the contact resistance is reduced, and the connecting spring 103 pushes the sliding round table 102b to enable the cone 102a to be in close contact with the conducting wire 301. Then the pressing end 204a or the test pencil is released, the pressing core 202 is reset under the action of the second spring 207, the gap between the first reducing diameter 203 and the second reducing diameter 204 is reduced, one end of the roller 205 is abutted against the first reducing diameter 203, the other end of the roller is abutted against the insulating layer 302, because the insulating layer 302 is made of soft material, the insulating layer 302 is squeezed by the roller 205, and at this time, the roller 205 and the insulating layer 302 have a larger friction force to prevent the insulating layer 302 from being separated, if the cable 300 is pulled by an external force, the gap between the first reducing diameter 203 and the second reducing diameter 204 becomes smaller and smaller, the friction force becomes larger and larger, therefore, the cable 300 cannot be separated in a normal range, the protective sleeve 208 can be sleeved on the butting sleeve 201 to further fix the position of the cable 300 to prevent the separation, and the wiring cable 300 needs to be removed, so that the lead 301 can be separated only by penetrating the dismounting groove 206b-2 through the test pencil and extending into the dismounting hole 202c and applying pressure to the gland 206.
It is important to note that the construction and arrangement of the present application as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperatures, pressures, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter recited in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of this invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the present invention is not limited to a particular embodiment, but extends to various modifications that nevertheless fall within the scope of the appended claims.
Moreover, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those unrelated to the presently contemplated best mode of carrying out the invention, or those unrelated to enabling the invention).
It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure, without undue experimentation.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (5)
1. The utility model provides a exempt from crimping intelligent terminal which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the connecting unit (100) comprises a connecting sleeve (101) and a connecting piece (102) positioned in the connecting sleeve (101);
the pressing unit (200) comprises a butt joint sleeve (201) detachably connected with one end of the connecting sleeve (101) and a pressing core (202) positioned in the butt joint sleeve (201), and the pressing core (202) is provided with a through hole (202 a);
a cable (300) including a conductive wire (301) contacting the connector (102), and an insulating layer (302) wrapping the conductive wire (301), the cable (300) passing through the through-hole (202 a);
the connecting sleeve (101) is internally provided with two connecting pieces (102) which are symmetrically arranged, the connecting sleeve (101) is provided with a placing groove (101 a), each connecting piece (102) comprises a cone (102 a) and a sliding circular table (102 b), the cone (102 a) is in contact with the lead (301), and the sliding circular table (102 b) is arranged in the placing groove (101 a);
the two connecting pieces (102) are connected through a connecting spring (103), and two ends of the connecting spring (103) are respectively connected with the corresponding sliding round tables (102 b);
the other end of the butt joint sleeve (201) is connected with a first reducing pipe (203), one end of the pressing core (202) is connected with a second reducing pipe (204), and the second reducing pipe (204) is located on the inner side of the first reducing pipe (203); the inner surface of the first reducing pipe (203) is a conical surface, and the outer surface of the second reducing pipe (204) is a conical surface;
the end part of the second reducing pipe (204) extends to form a pressing end (204 a), and the diameter of the pressing end (204 a) is smaller than the inner diameter of the smaller end of the first reducing pipe (203);
the second reducing diameter (204) is provided with a compaction hole (204 b), the compaction hole (204 b) is formed by a through hole (202 a) penetrating to the outer side of the second reducing diameter (204), and the axis of the compaction hole (204 b) is vertical to a generatrix of the conical surface at the outer side of the second reducing diameter (204);
the compaction unit (200) further comprises a roller (205), the roller (205) is arranged in the compaction hole (204 b), the roller (205) is in clearance fit with the compaction hole (204 b), two ends of the roller (205) are hemispherical, one end of the roller (205) is abutted against the first reducing pipe (203), and the other end of the roller (205) is abutted against the insulating layer (302); one end of the connecting sleeve (101) is provided with a first thread (101 b), one end of the butting sleeve (201) is provided with a second thread (201 a), and the first thread (101 b) is connected with the second thread (201 a) in a matching manner; the pressing unit (200) further comprises a pressing cover (206), the pressing cover (206) is connected with one end, provided with a second thread (201 a), of the butting sleeve (201), a third thread (206 a) is arranged on the side face of the pressing cover (206), a fourth thread (201 b) is further arranged at one end, provided with the second thread (201 a), of the butting sleeve (201), and the third thread (206 a) is in fit connection with the fourth thread (201 b).
2. The crimp-free smart terminal of claim 1, wherein: the pressing unit (200) further comprises a second spring (207), the second spring (207) is located in the butt-joint sleeve (201), one end of the second spring is connected with the pressing cover (206), and the other end of the second spring is connected with the pressing core (202).
3. The crimp-free smart terminal of claim 2, wherein: the gland (206) is further provided with a guide hole (206 b) which is coaxial with the through hole (202 a), the diameter of the guide hole (206 b) is larger than that of the cable (300), one end, close to the pressing core (202), of the guide hole (206 b) is a conical surface (206 b-1), and the other end of the guide hole (206 b) is provided with a dismounting groove (206 b-2).
4. The crimp-free smart terminal of claim 3, wherein: a limiting groove (202 b) is formed in the outer surface of the pressing core (202), a limiting boss (201 c) is arranged on the inner side of the butting sleeve (201), and the limiting groove (202 b) is embedded in the limiting boss (201 c);
the outer surface of the compression core (202) is further provided with a dismounting hole (202 c), an adjusting groove (201 d) is formed in the position, corresponding to the dismounting hole (202 c), of the butt joint sleeve (201), and the adjusting groove (201 d) is axially arranged along the butt joint sleeve (201).
5. The crimp-free smart terminal of claim 4, wherein: the pressing unit (200) further comprises a protecting sleeve (208), and the protecting sleeve (208) is sleeved on the butt-joint sleeve (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010294071.2A CN111509409B (en) | 2020-04-15 | 2020-04-15 | Exempt from crimping intelligent terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010294071.2A CN111509409B (en) | 2020-04-15 | 2020-04-15 | Exempt from crimping intelligent terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111509409A CN111509409A (en) | 2020-08-07 |
| CN111509409B true CN111509409B (en) | 2021-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010294071.2A Active CN111509409B (en) | 2020-04-15 | 2020-04-15 | Exempt from crimping intelligent terminal |
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| Country | Link |
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| CN (1) | CN111509409B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112363287B (en) * | 2020-11-12 | 2022-12-09 | 贵州电网有限责任公司 | Device is prevented gnawing and stings by communication optical cable |
| CN115377705B (en) * | 2022-07-29 | 2023-08-15 | 国网山东省电力公司单县供电公司 | Exempt from crimping detachable binding post |
| CN116788076B (en) * | 2023-06-30 | 2024-03-29 | 济南英华自动化技术有限公司 | Charging device with leakage explosion-proof protection function |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4362352A (en) * | 1980-05-08 | 1982-12-07 | Aluminum Company Of America | Splicing device |
| CN104577402B (en) * | 2015-01-22 | 2017-01-11 | 中山市沃通电器科技有限公司 | Electrical connection self-locking terminal |
| CN106684577A (en) * | 2017-03-03 | 2017-05-17 | 曹孝培 | Multi-side pressing type intermediate quick energy-saving conductive connector |
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2020
- 2020-04-15 CN CN202010294071.2A patent/CN111509409B/en active Active
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Inventor after: Qin Lunhua Inventor after: Deng Donglin Inventor after: Chen Junqi Inventor after: Jiang Deliang Inventor after: Xu Chi Inventor after: Liu Xu Inventor after: Yi Kesong Inventor after: Yang Lan Inventor after: Li Chengyin Inventor before: Qin Lunhua Inventor before: Deng Donglin Inventor before: Chen Junqi Inventor before: Jiang Deliang Inventor before: Xu Chi Inventor before: Liu Xu Inventor before: Yi Kesong |
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