CN111555056A - Force-bearing type quick wiring terminal - Google Patents
Force-bearing type quick wiring terminal Download PDFInfo
- Publication number
- CN111555056A CN111555056A CN202010491903.XA CN202010491903A CN111555056A CN 111555056 A CN111555056 A CN 111555056A CN 202010491903 A CN202010491903 A CN 202010491903A CN 111555056 A CN111555056 A CN 111555056A
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- wire
- cap
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- force
- port
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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
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
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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
- H01R4/5016—Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw using a cone
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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
- H01R4/5083—Clamped connections, spring connections utilising a cam, wedge, cone or ball also combined with a screw using a wedge
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- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
Abstract
The invention relates to the field of electric power tools, in particular to a force-bearing type quick connecting terminal, which comprises a terminal body made of hard conductive materials, wherein the terminal body comprises a lead inserting cylinder and a connecting terminal which are fixedly connected or fixed into a whole, the inner cavity of the lead inserting cylinder is a conical cylinder-shaped inner cavity, the port of the lead inserting cylinder is a small-diameter end, a conical cylinder-shaped pressing sleeve is coaxially and coaxially arranged in the conical cylinder-shaped inner cavity in the same direction, the conical cylinder-shaped pressing sleeve is formed by surrounding a plurality of wedge-shaped pressing sheets made of hard conductive materials and is bundled together through an elastic ferrule, a forcing spring is also arranged in the lead inserting cylinder, and the forcing spring is abutted against the conical cylinder-shaped pressing sleeve and applies acting force towards the port direction of the corresponding lead inserting cylinder to the conical cylinder-; the invention can replace the traditional crimping mode, realizes the quick conductive connection between the lead and the wiring terminal, and has the advantages of firm connection, large conductive overcurrent area, convenient operation, safety and durability.
Description
Technical Field
The invention relates to the field of electric power tools, in particular to a force-bearing type quick wiring terminal.
Background
At present, the connection mode of a wire and a wiring terminal is that the wire is usually inserted into a wire insertion cylinder of the wiring terminal, then the wire insertion cylinder is extruded and deformed by a pressing clamp to press and compress the wire, the compression connection mode has low tensile strength and hidden dangers, the wiring terminal and the wire are subjected to the effects of thermal expansion and cold contraction after long-term use, the wire insertion cylinder and the wire are easy to deform to generate gaps, the dangers such as fire, fire or circuit breaking can occur, serious potential safety hazards exist, the connection mode consumes time and labor, the installation efficiency is low, and the high-altitude operation is not suitable.
Disclosure of Invention
In order to solve the problems, the invention aims to provide a force-bearing type quick connecting terminal which can replace the traditional crimping mode, realize quick conductive connection between a lead and the connecting terminal, is firm in connection, large in conductive overcurrent area, convenient to operate, safe and durable.
The task of the invention is realized by the following technical scheme:
the utility model provides a quick binding post of load type, include the terminal body of being made by the electrically conductive material of stereoplasm, the terminal body includes fixed connection or solid wire plug section of thick bamboo and connecting terminal as an organic whole, the inner chamber of wire plug section of thick bamboo is the path end of awl cylindric inner chamber and wire plug section of thick bamboo, the awl cylindric pressure cover of coaxial setting activity in the wire plug section of thick bamboo, the awl cylindric pressure cover is unanimous with awl cylindric inner chamber direction, the awl cylindric pressure cover is enclosed by the wedge preforming of the electrically conductive material of a plurality of stereoplasm and is closed and form, each wedge preforming is in the same place through the shrink of elastic ferrule, still be equipped with in the wire plug section of thick bamboo and compel tight spring, compel tight spring butt awl cylindric pressure cover and exert the effort that corresponds the port direction of wire plug section of thick bamboo to.
Preferably, the mesopore that the cover was pressed to the awl cylindric sets up the inlet wire cap of an activity, the opening orientation of inlet wire cap the port of a wire plug-in connection section of thick bamboo, thereby the inlet wire cap is elastic material can carry out elasticity tight fit with the mesopore inner wall that the cover was pressed to the awl cylindric, and the initial position of inlet wire cap is located the port department of the mesopore that the cover was pressed to the awl cylindric, when the wire was inserted from a wire plug-in connection section of thick bamboo, can insert the inlet wire cap, then promotes the inlet wire cap and passes awl cylindric.
Preferably, the opening of inlet wire cap is the tubaeform structure of outside expansion, thereby tubaeform structure be elastic material be convenient for with the mesopore inner wall of awl cylindric pressure sleeve carries out elasticity tight fit.
Preferably, the inner side surface of the wedge-shaped pressing sheet is provided with anti-slip lines for increasing friction force.
Preferably, the lead inserting cylinder and the connecting terminal are fixedly connected together in a threaded connection mode, a positioning pin is further arranged at the joint, and the positioning pin vertically penetrates through the axis of the lead inserting cylinder.
Preferably, the force-bearing type quick wiring terminal further comprises an insulating shell, the insulating shell covers the wire inserting cylinder, the connecting terminal is exposed out of the insulating shell, one end of the insulating shell is hermetically connected with the outer side of the wire inserting cylinder or the connecting terminal, the other end of the insulating shell is provided with a wire inlet for inserting a wire into the wire inserting cylinder, the wire inlet corresponds to the port of the wire inserting cylinder, the insulating shell further comprises a wire locking cap corresponding to the wire inlet, a conical cylindrical grid sleeve folded inwards is arranged at the port of the wire inlet, a sealing rubber sleeve is arranged in the conical cylindrical grid sleeve, a corresponding conical cylindrical locking end is arranged on the wire locking cap, and the screwing wire locking cap can press the conical cylindrical grid sleeve to be folded inwards through the conical cylindrical locking end to further compress the sealing rubber sleeve on the insulating outer skin of the wire so as to realize sealing.
When in use, the wire is directly inserted into the wire insertion barrel of the wiring terminal, the end of the wire pushes against the small-diameter end of the conical pressing sleeve, the space gradually increases along with the movement of the conical pressing sleeve to the inside of the wire insertion barrel until the end of the wire can pass through the middle hole of the conical pressing sleeve, the conical pressing sleeve is under the action force of the compression spring and the guide of the conical inner cavity, each wedge-shaped pressing sheet is tightly attached between the outer side of the lead and the conical cylinder-shaped inner cavity, so that each lead is in conductive connection with the terminal body through the wedge-shaped pressing sheet, the overcurrent area is large, when the lead is subjected to outward pulling force, the lead can drive the conical cylindrical pressing sleeve to move towards the small-diameter end of the conical cylindrical inner cavity, so that each wedge-shaped pressing sheet of the conical cylindrical pressing sleeve can be tightly held outside the lead, the locking effect is generated on the lead, so that the lead cannot be loosened from the terminal body even if the lead is subjected to large pulling force. After the wire is inserted, the insulating shell is locked on the wire insulating sheath through the wire locking cap, and two ends of the insulating shell are sealed, so that the waterproof effect is good.
The invention has the beneficial effects that: the quick conductive connection between the wire and the wiring terminal can be realized by replacing the traditional crimping mode, and the quick conductive connection is firm in connection, large in conductive overcurrent area, convenient to operate, safe and durable; secondly, the wire inlet cap is arranged, and the opening of the wire inlet cap is of an outward expanding horn-shaped structure, so that the wire can be guided when being inserted into the middle hole of the conical cylindrical pressing sleeve, the conical cylindrical pressing sleeve can be pushed to move and be expanded, and the wire can be inserted more conveniently; the terminal body is arranged to be of a split structure, so that the whole wiring terminal is convenient to manufacture and assemble; the positioning pin is arranged, so that the connection firmness of the wire insertion cylinder and the connecting terminal can be improved, and the positioning pin is positioned at the tail end of the wire insertion cylinder and vertically penetrates through the axis of the wire insertion cylinder, so that the limiting effect can be achieved in the wire insertion process; the wire locking cap is arranged at the wire inlet of the insulating shell, so that the space between the insulating shell and the wire insulating sheath can be quickly and effectively sealed, and the firm degree of wire connection can be further increased.
Drawings
Fig. 1 is a structural schematic diagram of a force-bearing type quick wiring terminal of the invention;
fig. 2 is a structural schematic diagram of the force-bearing type quick wiring terminal in a use state;
fig. 3 is a schematic view of the internal structure of the force-bearing type quick connecting terminal in the use state.
Fig. 4 is a schematic structural diagram of a conical barrel-shaped pressing sleeve of the force-bearing type quick wiring terminal of the invention;
fig. 5 is a structural schematic diagram of a wire inlet cap of the force-bearing type quick wiring terminal.
The terminal comprises a terminal body 1, a connecting terminal 11, a wire insertion tube 12, a conical cylindrical inner cavity 121, a positioning pin 13, an insulating shell 2, a wire inlet 21, a conical cylindrical grid sleeve 211, a wire locking cap 22, a conical cylindrical locking end 221, a sealing rubber sleeve 23, a conical cylindrical pressing sleeve 3, a wedge-shaped pressing sheet 31, anti-skidding lines 311, an elastic ferrule 32, a packing spring 4, a wire inlet cap 5, a horn-shaped structure 51, a wire 6 and an insulating sheath 61.
Detailed Description
The present application will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, and merely illustrate the basic structure of the present application in a schematic manner, and therefore show only the structures related to the present application.
In the description of the present application, it is to be understood that the terms "front", "back", "inside", "outside", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application. In the description of the present application, the meaning of "plurality" or "a plurality" is two or more unless otherwise specified.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
As shown in fig. 1-5, a force-bearing type fast connecting terminal comprises a terminal body 1 made of conductive metal and an insulating housing 2, wherein the terminal body 1 comprises a wire insertion tube 12 and a connecting terminal 11 which are fixedly connected together, the wire insertion tube 12 is used for fixedly connecting a wire, the connecting terminal 11 is used for fixedly connecting other electrical terminals, the inner cavity of the wire insertion tube 12 is a conical inner cavity 121, the port of the wire insertion tube 12 is a small-diameter end of the conical inner cavity 121, a movable conical pressing sleeve 3 is coaxially arranged in the wire insertion tube 12, the conical pressing sleeve 3 and the conical inner cavity 121 are in the same direction, the conical pressing sleeve 3 is formed by surrounding four wedge-shaped pressing sheets 31 made of metal material, each wedge-shaped pressing sheet 31 is bound together through an elastic 32 ferrule, the inner side surface of the wedge-shaped pressing sheet 31 is provided with an anti-skidding thread 311 for increasing friction force, a tightening spring 4 is further arranged in the wire insertion tube 12, the urging spring 4 abuts against the tapered cylindrical pressing sleeve 3 and applies an urging force to the tapered cylindrical pressing sleeve 3 toward the port direction of the corresponding wire insertion barrel 12.
The mesopore of cover 3 is pressed to awl cylindric sets up the inlet wire cap 5 of an activity, the opening of inlet wire cap 5 is towards the port of a wire plug-in connection section of thick bamboo 12, the trumpet-shaped structure 51 of inlet wire cap 5 opening for outside expansion, thereby trumpet-shaped structure 51 is the elastic material be convenient for press the mesopore inner wall of cover 3 with the awl cylindric and carry out elasticity tight fit, the initial position of inlet wire cap 5 is located the port department of the mesopore of cover 3 is pressed to the awl cylindric, when the wire is inserted from a wire plug-in connection section of thick bamboo 12, can insert inlet wire cap 5, then promote inlet wire cap 5 and pass awl cylindric and press. In other embodiments, the small-diameter end port of the conical-cylindrical pressing sleeve 3 can also be designed into an outward-turned trumpet-shaped structure to facilitate the insertion of the lead.
The lead inserting cylinder 12 and the connecting terminal 11 are fixedly connected together in a threaded connection mode, a positioning pin 13 is further arranged at the joint, and the positioning pin 13 vertically penetrates through the axis of the lead inserting cylinder 12.
The insulation shell 2 covers the wire insertion tube 12, the connection terminal 11 is exposed out of the insulation shell 2, one end of the insulation shell 2 is connected with the outer side of the connection terminal 11 in a sealing mode, the other end of the insulation shell is provided with a wire inlet 21 for inserting the wire 6, the wire inlet 21 corresponds to the port of the wire insertion tube 12, the insulation shell 2 further comprises a wire locking cap 22 corresponding to the wire inlet 21, the port of the wire inlet 21 is provided with a conical grid sleeve 211 folded inwards, a sealing rubber sleeve 23 is arranged in the conical grid sleeve 211, the wire locking cap 22 is provided with a corresponding conical locking end 221, and the wire locking cap 22 can press the conical grid sleeve 211 to be folded inwards through the conical locking end 221 so as to press the sealing rubber sleeve 23 on the insulation outer skin 61 of the wire 6 to achieve sealing; in this embodiment, the insulating housing 2 is an injection molded integrated structure, and in other embodiments, the insulating housing 2 may also be a split structure of a tandem type or a butt type.
When the connector is used, a lead 6 is directly inserted into the lead inserting barrel 12 of the terminal, the end of the lead 6 is inserted into the lead-in cap 5 and pushed forward to the small diameter end of the cone-shaped pressing sleeve 3, the space gradually increases along with the movement of the cone-shaped pressing sleeve 3 to the inside of the lead inserting barrel 12, each wedge-shaped pressing sheet 31 can expand radially and outwards under the opening action of the lead-in cap until the end of the lead 6 can push the lead-in cap 5 to pass through the middle hole of the cone-shaped pressing sleeve 3, each wedge-shaped pressing sheet 31 of the cone-shaped pressing sleeve 3 can cling between the outer side of the lead 6 and the cone-shaped inner cavity 121 under the action force of the forcing spring 4 and the guide of the cone-shaped inner cavity 121, so that each lead 6 is in conductive connection with the terminal body 1 through the wedge-shaped pressing sheet 31, the overcurrent area is large, when the lead 6 is subjected to an outward pulling force, the lead 6 can drive the cone-shaped, thereby make the individual wedge preforming 31 of awl cylindric press sleeve 3 can hug closely in the wire 6 outside, produce the effect of locking to wire 6 to make wire 6 not take off from terminal body 1 even bear great pulling force yet. After the lead wire 6 is inserted, the insulating housing 2 is locked to the insulating sheath 61 of the lead wire 6 by the locking cap 22, and both ends of the insulating housing 2 are sealed.
The invention has the beneficial effects that: the quick conductive connection between the wire and the wiring terminal can be realized by replacing the traditional crimping mode, and the quick conductive connection is firm in connection, large in conductive overcurrent area, convenient to operate, safe and durable; secondly, the wire inlet cap is arranged, and the opening of the wire inlet cap is of an outward expanding horn-shaped structure, so that the wire can be guided when being inserted into the middle hole of the conical cylindrical pressing sleeve, the conical cylindrical pressing sleeve can be pushed to move and be expanded, and the wire can be inserted more conveniently; the terminal body is arranged to be of a split structure, so that the whole wiring terminal is convenient to manufacture and assemble; the positioning pin is arranged, so that the connection firmness of the wire insertion cylinder and the connecting terminal can be improved, and the positioning pin is positioned at the tail end of the wire insertion cylinder and vertically penetrates through the axis of the wire insertion cylinder, so that the limiting effect can be achieved in the wire insertion process; the wire locking cap is arranged at the wire inlet of the insulating shell, so that the space between the insulating shell and the wire insulating sheath can be quickly and effectively sealed, and the firm degree of wire connection can be further increased.
The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by those skilled in the art that the scope of the invention herein disclosed is not limited to the particular combination of features described above, but also encompasses other arrangements formed by any combination of the above features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Claims (6)
1. The utility model provides a quick binding post of load type, a serial communication port, include the terminal body of being made by the electrically conductive material of stereoplasm, the terminal body includes a fixed connection or solid wire plug section of thick bamboo and connecting terminal as an organic whole, the inner chamber of a wire plug section of thick bamboo is the path end of awl cylindric inner chamber and wire plug section of thick bamboo, the coaxial awl cylindric pressure cover that sets up a activity in the wire plug section of thick bamboo, the awl cylindric pressure cover is unanimous with awl cylindric inner chamber direction, the awl cylindric pressure cover is enclosed by the wedge preforming of the electrically conductive material of a plurality of stereoplasm and is formed, each wedge preforming is in the same place through the elasticity lasso receipts, still be equipped with in the wire plug section of thick bamboo and compel tight spring, compel tight spring butt awl cylindric pressure cover and exert the effort that corresponds the port direction of a wire plug section.
2. The force-bearing type quick wiring terminal as claimed in claim 1, wherein the central hole of the conical cylindrical pressing sleeve is provided with a movable wire inlet cap, the opening of the wire inlet cap faces the port of the wire inserting sleeve, the wire inlet cap is made of elastic material so as to be capable of elastically and tightly fitting with the inner wall of the central hole of the conical cylindrical pressing sleeve, the initial position of the wire inlet cap is located at the port of the central hole of the conical cylindrical pressing sleeve, when a wire is inserted from the wire inserting sleeve, the wire inlet cap can be inserted, and then the wire inlet cap is pushed to pass through the conical cylindrical pressing sleeve.
3. The force-bearing type quick wiring terminal as claimed in claim 2, wherein the opening of the wire inlet cap is of an outwardly expanded trumpet-shaped structure, and the trumpet-shaped structure is made of an elastic material so as to be elastically and tightly fitted with the inner wall of the middle hole of the conical cylindrical pressing sleeve.
4. The force-bearing type quick connecting terminal as claimed in claim 1, wherein the inner side of the wedge-shaped pressing piece is provided with anti-slip lines for increasing friction force.
5. The force-bearing type quick connecting terminal as claimed in claim 1, wherein the wire insertion tube and the connecting terminal are fixedly connected together by a threaded connection, and a positioning pin is further provided at the connection position and vertically penetrates through the axis of the wire insertion tube.
6. The force-bearing type quick connection terminal as claimed in claim 1, further comprising an insulating housing covering the wire insertion barrel, the connecting terminal is exposed out of the insulating shell, one end of the insulating shell is hermetically connected with the wire insertion cylinder or the outer side of the connecting terminal, the other end of the insulating shell is provided with a wire inlet for inserting a wire into the wire insertion cylinder, the position of the wire inlet corresponds to that of the port of the wire insertion cylinder, the insulating shell further comprises a wire locking cap corresponding to the wire inlet, the port department of inlet wire is equipped with the awl cylindric grid cover that draws in inwards, is equipped with the sealing rubber sleeve in the awl cylindric grid cover, is equipped with corresponding awl cylindric locking end on the locking wire cap, and the locking wire cap of screwing can oppress awl cylindric grid cover and inwards draw in through awl cylindric locking end, and then compresses tightly the sealing rubber sleeve on the insulating crust of wire in order to realize sealedly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010491903.XA CN111555056A (en) | 2020-06-02 | 2020-06-02 | Force-bearing type quick wiring terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010491903.XA CN111555056A (en) | 2020-06-02 | 2020-06-02 | Force-bearing type quick wiring terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111555056A true CN111555056A (en) | 2020-08-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010491903.XA Pending CN111555056A (en) | 2020-06-02 | 2020-06-02 | Force-bearing type quick wiring terminal |
Country Status (1)
| Country | Link |
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| CN (1) | CN111555056A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112072336A (en) * | 2020-08-26 | 2020-12-11 | 国网山东省电力公司电力科学研究院 | Non-crimping connection fitting and connection method for wire connection |
| CN114284832A (en) * | 2021-12-13 | 2022-04-05 | 广州番禺电缆集团有限公司 | Voltage-free wiring terminal and processing method thereof |
-
2020
- 2020-06-02 CN CN202010491903.XA patent/CN111555056A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112072336A (en) * | 2020-08-26 | 2020-12-11 | 国网山东省电力公司电力科学研究院 | Non-crimping connection fitting and connection method for wire connection |
| CN114284832A (en) * | 2021-12-13 | 2022-04-05 | 广州番禺电缆集团有限公司 | Voltage-free wiring terminal and processing method thereof |
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