Plug terminal assembly
By welding the lower bent part of the copper busbar to the conductive terminal in the plug-in terminal assembly, and combining it with a hook and a sleeve structure, the problem of inconvenient connection between the copper busbar and the conductive terminal is solved, achieving the effect of fewer parts, lower cost and more reliable connection.
Patent Information
- Application Number
- CN202520085714.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-15
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-01-15
AI Technical Summary
In existing plug-in terminal assemblies, fixing and electrically connecting copper busbars and conductive terminals is inconvenient, and the number of parts is large and the cost is high.
The first bend of the horizontally bent lower end of the copper busbar is welded and fixed to the top of the conductive terminal, and a reliable clamping structure is achieved through hooks and sleeves, reducing the number of parts, and combined with an insulating sheath for protection.
This makes it convenient to fix and electrically connect the copper busbar to the conductive terminal, reduces the number of parts and cost, and improves the reliability and insulation of the connection.
Smart Images
Figure CN223757725U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of electric connection connector device, specifically, relate to a kind of plug-in terminal assembly. BACKGROUND
[0002] Plug-in terminal assembly is used to cooperate with the electrically conductive tab and realize the device of electric connection, the plug-in terminal assembly on market at present includes plastic shell, conductive terminal and copper bar;Conductive terminal is inserted and mounted vertically in plastic shell and is buckled with plastic shell, in addition, the lower end of copper bar is fastened with conductive terminal by two left-right symmetrical bolt assemblies and realizes electric connection;However, in the structure above, since the lower end of copper bar needs to be fastened with conductive terminal by bolt assembly and realize electric connection, there is the inconvenience of copper bar and conductive terminal fixation and electric connection, and there are also the shortcomings of many parts and high cost. SUMMARY
[0003] The utility model solves the technical problem to provide a kind of plug-in terminal assembly, it has the advantage that copper bar and conductive terminal fixation and electric connection are convenient, in addition, it also has the advantage that the number of parts is less and cost is low.
[0004] The utility model provides a kind of plug-in terminal assembly, including plastic shell, conductive terminal and copper bar;Conductive terminal is inserted and mounted vertically in plastic shell and is buckled with plastic shell;The lower end of copper bar is provided with the first bending part that is horizontally bent towards the side of conductive terminal, and the first bending part is welded and fixed on the outer top of conductive terminal and is electrically connected with conductive terminal.
[0005] The utility model passes through the welding fixation of the first bending part and the outer top of conductive terminal after using above-mentioned structure, the lower end of copper bar can be fixed with conductive terminal and realize electric connection, has the advantage that copper bar and conductive terminal fixation and electric connection are convenient, in addition, it also has the advantage that the number of parts is less and cost is low.
[0006] In a possible implementation, the rear end of the two side walls of the conductive terminal is provided with a protruding part, and the rear side of the plastic shell is provided with two first hooks that are left-right symmetrical, and the two protruding parts are respectively matched with one of the first hooks; after the conductive terminal is inserted and mounted vertically into the plastic shell, the protruding parts at the rear end of the two side walls of the conductive terminal are respectively matched with one of the first hooks, so that the conductive terminal can be reliably clamped in the plastic shell.
[0007] In a possible implementation, two left-right symmetrical guide inclined surfaces are arranged on the inner wall of the rear side of the upper end of the plastic shell, each of the guide inclined surfaces is used to guide the protrusion in the corresponding position to facilitate the cooperation and clamping of the protrusion and the first clamping hook in the corresponding position. By adopting the structure, each of the guide inclined surfaces can guide the protrusion in the corresponding position to facilitate the cooperation and clamping of the protrusion and the first clamping hook in the corresponding position when the conductive terminal is vertically inserted into the plastic shell, that is, the cooperation and clamping of the protrusion and the first clamping hook are facilitated.
[0008] In a possible implementation, the plug-in terminal assembly further comprises a reverse "U" shaped clamping sleeve, the clamping sleeve is sleeved on the outer side of the first bending part and the upper part of the conductive terminal, the lower end of the two side walls of the clamping sleeve is provided with an inwardly horizontally bent folding edge, the middle part of the two side walls of the conductive terminal abuts against one of the folding edges respectively, and the clamping sleeve is used to apply a mutual extrusion force to the two side walls of the conductive terminal. By adopting the structure, the folding edges at the lower end of the two side walls of the clamping sleeve can apply a mutual extrusion force to the two side walls of the conductive terminal, so that the insufficient holding force of the conductive terminal can be effectively avoided after the conductive terminal and the conductive tab are repeatedly inserted and pulled out, and the poor contact of the conductive terminal with the conductive tab can be effectively avoided.
[0009] In a possible implementation, the two side walls of the clamping sleeve gradually incline inwardly from top to bottom; by adopting the structure, the two side walls of the clamping sleeve and the folding edges at the lower end of the two side walls of the clamping sleeve can more reliably apply a mutual extrusion force to the two side walls of the conductive terminal.
[0010] In a possible implementation, the clamping sleeve is made of stainless steel material; by adopting the stainless steel material to make the clamping sleeve, the clamping sleeve has the advantages of high structural strength and strong anti-deformation ability, so that the two side walls of the clamping sleeve and the folding edges at the lower end of the two side walls of the clamping sleeve can more reliably apply a mutual extrusion force to the two side walls of the conductive terminal.
[0011] In a possible implementation, the front side of the plastic shell is provided with two left-right symmetrical second clamping hooks; after the conductive terminal and the clamping sleeve are vertically inserted into the plastic shell, the two second clamping hooks are clamped with the outer top of the front end of the clamping sleeve; by adopting the structure, after the conductive terminal and the clamping sleeve are vertically inserted into the plastic shell, the two second clamping hooks can be clamped with the outer top of the front end of the clamping sleeve, so that the clamping sleeve can be reliably clamped in the plastic shell, and the conductive terminal can be further clamped in the plastic shell, so as to improve the firmness and reliability of the conductive terminal after being clamped in the plastic shell.
[0012] In a possible implementation, the upper end of the copper bar is provided with a second bending part which is horizontally bent away from the side of the conductive terminal, and the second bending part is used for fixing and electrically connecting the wire; after adopting the structure, the conductive terminal can be conveniently and reliably fixed and electrically connected with the upper end of the copper bar under the action of the second bending part, and in addition, the end of the wire can be fixed on the second bending part by welding or bolt fixing.
[0013] In a possible implementation, a threaded hole is arranged on the second bending part, and the threaded hole is used for connecting with a bolt to fix the wire on the second bending part; after adopting the structure, the end of the wire can be fixed on the second bending part by bolt fixing, that is, the reliable fixing of the end of the wire and the second bending part can be realized, and in addition, a wire nose is fixed on the end of the wire to facilitate the bolt fixing of the end of the wire on the second bending part.
[0014] In a possible implementation, an insulating sheath is sleeved on the copper bar; by arranging the insulating sheath, the insulating protection of the copper bar can be realized, and the insulating sheath is sleeved on the copper bar between the first bending part and the second bending part. BRIEF DESCRIPTION OF DRAWINGS
[0015] Fig. 1 is a first schematic diagram of a three-dimensional structure of the present application;
[0016] Fig. 2 is a second schematic diagram of a three-dimensional structure of the present application;
[0017] Fig. 3 is a schematic diagram of a partially exploded three-dimensional structure of the present application;
[0018] Fig. 4 is a schematic diagram of a partially exploded three-dimensional structure of the present application after removing the plastic shell. DETAILED DESCRIPTION
[0019] Firstly, it should be understood by those skilled in the art that the embodiments are only used to explain the technical principles of the embodiments of the present application, and are not intended to limit the protection scope of the embodiments of the present application. Those skilled in the art can make adjustments according to needs in order to adapt to specific application occasions.
[0020] In the description of the embodiments of the present application, it should be pointed out that, unless otherwise explicitly specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to specific circumstances.
[0021] In the embodiments of the present application, unless specifically defined and limited otherwise, a first feature is "on" or "under" a second feature can mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature can be "above", "over" and "on top of" the second feature, which can mean that the first feature is directly above or obliquely above the second feature, or only means that the first feature is higher in horizontal height than the second feature. The first feature can be "under", "below" and "underneath" the second feature, which can mean that the first feature is directly below or obliquely below the second feature, or only means that the first feature is lower in horizontal height than the second feature.
[0022] The present application will be further described in detail below with reference to the accompanying drawings and specific embodiments.
[0023] Referring to FIGS. 1-4, the embodiments of the present application disclose a plug-in terminal assembly, which comprises a plastic shell 1, a conductive terminal 2 and a copper bar 3; the conductive terminal 2 is vertically inserted into the plastic shell 1 and buckled with the plastic shell 1; the lower end of the copper bar 3 is provided with a first bending part 31 which is horizontally bent towards one side of the conductive terminal 2, and the first bending part 31 is welded and fixed on the outer top of the conductive terminal 2 and electrically connected with the conductive terminal 2; the above-mentioned first bending part is fixed together by resistance welding or ultrasonic welding and realizes electrical connection.
[0024] The rear end of the two side walls of the conductive terminal 2 is provided with a protruding part 21, and the rear side of the plastic shell 1 is provided with two first hooks 11 which are left-right symmetrical, and the two protruding parts 21 are respectively buckled with one of the first hooks 11; after the conductive terminal is vertically inserted into the plastic shell, the protruding parts at the rear end of the two side walls of the conductive terminal can be respectively buckled with one of the first hooks, so that the conductive terminal can be reliably buckled in the plastic shell.
[0025] The rear inner wall of the upper end of the plastic shell 1 is provided with two guide inclined surfaces 12 which are left-right symmetrical, and each guide inclined surface 12 is used for guiding the protruding part 21 at the corresponding position to be buckled with the first hook 11 at the corresponding position; after the conductive terminal is vertically inserted into the plastic shell, each guide inclined surface can guide the protruding part at the corresponding position to be buckled with the first hook at the corresponding position, that is, the buckling of the protruding part with the first hook is facilitated.
[0026] The plug-in terminal assembly further comprises a reverse "U"-shaped clamping sleeve 4, which is sleeved on the first bending part 31 and the outer side of the upper part of the conductive terminal 2. The lower end of each side wall of the clamping sleeve 4 is provided with a horizontal inwardly bent folding edge 41. The middle part of each side wall of the conductive terminal 2 abuts against one of the folding edges 41. The clamping sleeve 4 is used to apply a mutual pressing force to the two side walls of the conductive terminal 2. After the structure is adopted, the folding edges at the lower end of the two side walls of the clamping sleeve can apply a mutual pressing force to the two side walls of the conductive terminal, so that the insufficient holding force of the conductive terminal can be effectively avoided after the conductive terminal and the conductive tab are repeatedly plugged in and out, and the poor contact of the conductive terminal with the conductive tab can be effectively avoided.
[0027] The two side walls of the clamping sleeve 4 gradually incline inwardly from top to bottom. After the structure is adopted, the two side walls of the clamping sleeve and the folding edges at the lower end of the two side walls of the clamping sleeve can more reliably apply a mutual pressing force to the two side walls of the conductive terminal.
[0028] The clamping sleeve 4 is made of stainless steel material. After the clamping sleeve is made of stainless steel material, the clamping sleeve has the advantages of high structural strength and strong deformation resistance, so that the two side walls of the clamping sleeve and the folding edges at the lower end of the two side walls of the clamping sleeve can more reliably apply a mutual pressing force to the two side walls of the conductive terminal.
[0029] The front side of the plastic shell 1 is provided with two left-right symmetrical second hooks 13. After the conductive terminal 2 and the clamping sleeve 4 are vertically inserted into the plastic shell 1, the two second hooks 13 are clamped with the outer top of the front end of the clamping sleeve 4. After the structure is adopted, the two second hooks can be clamped with the outer top of the front end of the clamping sleeve after the conductive terminal and the clamping sleeve are vertically inserted into the plastic shell, so that the clamping sleeve can be reliably clamped in the plastic shell, and the conductive terminal can be further clamped in the plastic shell, so as to improve the firmness and reliability of the conductive terminal after being clamped in the plastic shell.
[0030] The upper end of the copper bar 3 is provided with a second bending part 32 which is horizontally bent away from the side of the conductive terminal 2. The second bending part 32 is used to fix and electrically connect the wire. After the structure is adopted, the conductive terminal can be conveniently and reliably fixed and electrically connected with the upper end of the copper bar under the action of the second bending part. In addition, the end of the wire can be fixed on the second bending part by welding or bolt fixing.
[0031] The second bending part 32 is provided with a threaded hole 321, which is used for connecting with a bolt to fix the wire on the second bending part 32; after adopting the structure, the end of the wire can be fixed on the second bending part by the bolt fixing mode, that is, the reliable fixation of the end of the wire and the second bending part can be realized, in addition, the end of the wire is fixed with a wire nose, so as to facilitate the bolt fixation of the end of the wire on the second bending part.
[0032] The copper bar 3 is externally sleeved with an insulating sheath 33; through the setting of the insulating sheath, the insulating protection of the copper bar can be achieved, and the insulating sheath is sleeved on the copper bar between the first bending part and the second bending part.
[0033] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can easily think of the changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.
Claims
1. A plug-in terminal assembly comprising a plastic housing (1), a conductive terminal (2) and a copper bar (3); the conductive terminal (2) is vertically inserted into the plastic housing (1) and buckled with the plastic housing (1); characterized in that: The lower end of the copper bar (3) is provided with a first bending part (31) horizontally bent towards the side of the conductive terminal (2), and the first bending part (31) is welded and fixed on the outer top of the conductive terminal (2) and electrically connected with the conductive terminal (2).
2. The plug-in terminal assembly of claim 1, wherein: The rear end of the two side walls of the conductive terminal (2) is provided with a protruding part (21), and the rear side of the plastic shell (1) is provided with two first clamping hooks (11) which are left-right symmetrical, and the two protruding parts (21) are respectively matched and clamped with one of the first clamping hooks (11).
3. The plug terminal assembly of claim 2, wherein: The rear side inner wall of the upper end of the plastic shell (1) is provided with two left-right symmetrical guide inclined surfaces (12), and each guide inclined surface (12) is used for guiding the protruding part (21) in the corresponding position to be matched and clamped with the first clamping hook (11) in the corresponding position.
4. The plug terminal assembly of any one of claims 1-3, wherein: The plug-in terminal assembly further comprises a clamping sleeve (4) in the shape of inverted "U", the clamping sleeve (4) is sleeved on the outer side of the first bending part (31) and the upper part of the conductive terminal (2), the lower end of the two side walls of the clamping sleeve (4) is provided with a bending edge (41) horizontally bent towards the inner side, and the middle part of the two side walls of the conductive terminal (2) is respectively abutted with one of the bending edges (41), and the clamping sleeve (4) is used for applying extrusion force to the two side walls of the conductive terminal (2) to make them close to each other.
5. The plug terminal assembly of claim 4, wherein: The two side walls of the clamping sleeve (4) gradually incline towards the inner side from top to bottom.
6. The plug terminal assembly of claim 4, wherein: The clamping sleeve (4) is made of stainless steel material.
7. The plug terminal assembly of claim 4, wherein: The front side of the plastic shell (1) is provided with two second clamping hooks (13) which are left-right symmetrical; after the conductive terminal (2) and the clamping sleeve (4) are vertically inserted into the plastic shell (1), the two second clamping hooks (13) are matched and clamped with the outer top of the front end of the clamping sleeve (4).
8. The plug terminal assembly of claim 1, wherein: The upper end of the copper bar (3) is provided with a second bending part (32) horizontally bent away from the side of the conductive terminal (2), and the second bending part (32) is used for fixing and electrically connecting with the wire.
9. The plug terminal assembly of claim 8, wherein: The second bending part (32) is provided with a threaded hole (321), and the threaded hole (321) is used for connecting with a bolt to fix the wire on the second bending part (32).
10. The plug terminal assembly of claim 8, wherein: The outer part of the copper bar (3) is sleeved with an insulating sheath (33).