Through-wall terminal
By connecting the unit structure and utilizing the screw and plastic retaining function, the problems of copper busbar material waste and insufficient strength are solved, and a more compact through-wall terminal design is achieved.
Patent Information
- Application Number
- CN202423272376.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2034-12-30
AI Technical Summary
In existing through-wall terminals, the copper busbar provides both conductivity and retention functions, resulting in material waste, thin copper busbars, and increased terminal width.
The design employs a connecting unit structure, including a connector, fixing screws, connecting copper busbars, and fixing nuts. The screws and plastic components achieve the retaining function, eliminating the need for a copper busbar retaining structure and optimizing the space used for the plastic components.
The size of the copper busbars was reduced, the overall holding force was enhanced, the terminal volume was reduced, and the amount of plastic material used was decreased.
Smart Images
Figure CN223927693U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of connector, specifically relates to a wall -penetrating terminal. BACKGROUND
[0002] The existing wall -penetrating terminal mainly relies on the strength of copper bar itself or the mode of plastic fixed copper bar to provide the downward retaining force of copper bar, and the screw only provides the force of locking the copper nose and copper bar. But it also leads to the following problems: 1. copper bar provides the conductivity and the retaining function simultaneously, causes the waste of copper bar material. 2. the strength of copper bar is insufficient under the condition of being too thin. 3. the wall -penetrating terminal becomes very wide under the condition of using the copper aluminum conversion terminal of too wide.
[0003] Therefore, it is necessary to provide a new technical scheme. CONTENT OF UTILITY MODEL
[0004] To solve the technical problems in the prior art, the utility model discloses a wall -penetrating terminal, and the specific technical scheme is as follows:
[0005] The utility model provides a wall -penetrating terminal, which is connected with cable and copper nose, and comprises a plurality of connecting units with the same structure, the connecting unit comprises a connecting seat, a fixing screw, a connecting copper bar and a fixing nut.
[0006] Further, the connecting seat comprises a bottom plate and a channel plate, a first recess is arranged on the top of the bottom plate, a first protruding block is symmetrically arranged in the inner side middle part of the first recess and extends inward, a first clamping groove is formed between the first protruding block and the bottom of the first recess, the first clamping groove penetrates the first end of the bottom plate and extends to the second end of the bottom plate close to but not penetrating, the channel plate is fixed on the top of the first end of the bottom plate in a door-shaped structure, the inner side of the channel plate is communicated with the first recess to form a channel penetrating front and back,
[0007] The fixing screw is clamped in the first clamping groove at the second end of the bottom plate,
[0008] The connecting copper bar is sleeved on the fixing screw above the bottom plate, and the connecting copper bar penetrates into the channel formed by the channel plate,
[0009] The fixing nut is sleeved on the fixing screw above the connecting copper bar, and the fixing nut presses the connecting copper bar on the bottom plate,
[0010] The part of the connecting copper bar extending into the channel is riveted with the cable, and the copper nose is sleeved on the fixing screw between the connecting copper bar and the fixing nut.
[0011] Further, the upper part of the inner side of the first groove is symmetrically provided with a second protrusion extending inward, a second clamping groove is formed between the bottom of the second protrusion and the top of the first protrusion, the second protrusion is arranged in the channel formed by the channel plate, and the bottom of the channel plate is flush with the bottom of the second protrusion.
[0012] Further, the top of the first protrusion at the second end of the bottom plate and the side wall of the first groove form a second groove, the second groove and the second clamping groove are communicated, the connecting copper bar is arranged in the second groove, the top of the copper bar is flush with the top of the bottom plate, and the connecting copper bar directly extends from the second groove into the second clamping groove.
[0013] Further, a first step and a second step are coaxially arranged on the cap portion of the fixing screw, the diameter of the first step is greater than the distance between the first protrusions, the diameter of the second step is less than the distance between the first protrusions, when the fixing screw is inverted in the first groove, the first step is clamped in the first clamping groove, the second step is clamped between the first protrusions, and the top of the second step is flush with the top of the first protrusion.
[0014] Further, the two sides adjacent to the channel plate at the second end of the bottom plate are provided with vertical first baffles.
[0015] Further, two third protrusions are symmetrically formed in the middle of the two sides of the inner side of the channel plate, a channel for accommodating the rod portion of the fixing screw passes between the third protrusions,
[0016] The end face of the channel plate adjacent to the second end of the bottom plate is provided with a second baffle, the second baffle is provided with an opening in communication with the channel between the third protrusions, and a sealing block is arranged in the opening to seal the opening.
[0017] Further, a plurality of the connecting units are combined to form a structure in two rows in the front and back and up and down.
[0018] The utility model has the following beneficial effects:
[0019] 1. The wall -penetrating terminal provided by the utility model realizes the retaining function of the screw and the plastic, removes the copper bar retaining structure, and reduces the size of the copper bar.
[0020] 2. The wall -penetrating terminal provided by the utility model enhances the retaining force of the screw, the copper bar, the nut, the screw and the terminal as a whole on the plastic shell.
[0021] 3. The wall -penetrating terminal provided by the utility model optimizes the effective use space of the plastic, reduces the size of the wall -penetrating terminal, and reduces the use amount of the plastic material.
[0022] The additional aspects and advantages of the present application will be in part apparent and in part pointed out hereinafter in the description of the application. BRIEF DESCRIPTION OF DRAWINGS
[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.
[0024] Figure 1 is a schematic diagram of a wall-penetrating terminal connection structure provided by the embodiments of the present application.
[0025] Figure 2 is a schematic diagram of a three-dimensional structure of a first end of a wall-penetrating terminal provided by the embodiments of the present application.
[0026] Figure 3 is a schematic diagram of a three-dimensional structure of a second end of a wall-penetrating terminal provided by the embodiments of the present application.
[0027] Figure 4 is a schematic diagram of a cross-sectional structure of a wall-penetrating terminal provided by the embodiments of the present application.
[0028] Figure 5 is a schematic diagram of a cross-sectional structure of a wall-penetrating terminal provided by the embodiments of the present application.
[0029] The reference signs are: wall-penetrating terminal 10, cable 20, copper nose 30, connecting seat 11, fixing screw 12, connecting copper bar 13, fixing nut 14, bottom plate 111, passage plate 112, first recess 111a, first protrusion 113, first clamping groove 111b, second protrusion 114, second clamping groove 111c, second recess 111d, first step 121, second step 122, first baffle 115, third protrusion 112a, second baffle 112b. DETAILED DESCRIPTION
[0030] The embodiments of the present application will be described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are intended to explain the present application, and cannot be understood as a limitation of the present application.
[0031] In the description of this utility model, it should be understood that the terms "upper," "lower," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.
[0032] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0033] The through-wall terminal 10 of this utility model is referenced. Figures 1 to 5 It connects the cable 20 and the copper lug 30, and includes multiple identical connection units, each including a connector 11, a fixing screw 12, a connecting copper busbar 13, and a fixing nut 14.
[0034] The connecting seat 11 includes a base plate 111 and a channel plate 112. The top of the base plate 111 is provided with a first groove 111a. The inner center of the first groove 111a is symmetrically provided with an inwardly extending first protrusion 113. A first slot 111b is formed between the first protrusion 113 and the bottom of the first groove 111a. The first slot 111b passes through the first end of the base plate 111 and extends to a second end near but not through the base plate 111. The channel plate 112 is fixed to the top of the first end of the base plate 111 in a door-shaped structure. The inner side of the channel plate 112 communicates with the first groove 111a to form a through channel.
[0035] The fixed screw 12 is inverted and clamped in the first clamping groove 111b at the second end of the bottom plate 111. The connecting copper bar 13 is sleeved on the fixed screw 12 above the bottom plate 111, and penetrates into the channel formed by the channel plate 112. The fixed nut 14 is sleeved on the fixed screw 12 above the connecting copper bar 13, and the fixed nut 14 presses the connecting copper bar 13 on the bottom plate 111. The part of the connecting copper bar 13 penetrating into the channel is riveted with the cable 20, and the copper nose 30 is sleeved on the fixed screw 12 between the connecting copper bar 13 and the fixed nut 14.
[0036] In one embodiment, the upper part of the inside of the first groove 111a is symmetrically provided with a second protrusion 114 extending inwardly, and the bottom of the second protrusion 114 and the top of the first protrusion 113 form a second clamping groove 111c. The second protrusion 114 is arranged in the channel formed by the channel plate 112, and the bottom of the channel plate 112 is flush with the bottom of the second protrusion 114.
[0037] The top of the first protrusion 113 at the second end of the bottom plate 111 and the side wall of the first groove 111a form a second groove 111d, which is in communication with the second clamping groove 111c. The connecting copper bar 13 is placed in the second groove 111d, and the top of the copper bar is flush with the top of the bottom plate 111. The connecting copper bar 13 directly penetrates into the second clamping groove 111c from the second groove 111d.
[0038] A first step 121 and a second step 122 are coaxially arranged on the cap of the fixed screw 12. The diameter of the first step 121 is greater than the distance between the first protrusions 113, and the diameter of the second step 122 is smaller than the distance between the first protrusions 113. When the fixed screw 12 is inverted in the first groove 111a, the first step 121 is clamped in the first clamping groove 111b, and the second step 122 is clamped between the first protrusions 113. The top of the second step 122 is flush with the top of the first protrusion 113.
[0039] The two sides adjacent to the channel plate 112 at the second end of the bottom plate 111 are provided with vertical first baffles 115.
[0040] The two sides of the inside of the channel plate 112 symmetrically extend to the middle to form third protrusions 112a, and a channel for accommodating the rod of the fixed screw 12 is arranged between the third protrusions 112a.
[0041] The second end face of the channel plate 112 adjacent to the second end of the bottom plate 111 is provided with a second baffle plate 112b, and the second baffle plate 112b is provided with an opening in communication with the channel between the third protrusions 112a, and a sealing block is arranged in the opening to seal the opening.
[0042] The plurality of connection units are combined to form a structure of two rows in up-down and front-back directions, thereby forming a structure of a wall penetrating terminal.
[0043] In the description of the present specification, the description referring to the terms "one embodiment", "some embodiments", "an example", "a specific example" or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, the person skilled in the art can combine and integrate different embodiments or examples described in the present specification.
[0044] Although the embodiments of the present application have been shown and described above, it should be understood that the above embodiments are exemplary and should not be construed as limiting the present application, and those skilled in the art can make changes, modifications and variations to the above embodiments within the scope of the present application.
Claims
1. A wall- througli terminal which communicates a cable line and a copper nose, characterized by, The connecting unit comprises a connecting seat, a fixing screw, a connecting copper bar and a fixing nut, The connecting seat comprises a bottom plate and a channel plate, the top of the bottom plate is provided with a first groove, the inner side of the first groove is symmetrically provided with a first protrusion extending inward, the first protrusion and the bottom of the first groove form a first clamping groove, the first clamping groove penetrates the first end of the bottom plate and extends to the second end of the bottom plate, the channel plate is fixed on the top of the first end of the bottom plate in a door-shaped structure, the inner side of the channel plate is communicated with the first groove to form a through channel, The fixing screw is clamped in the first clamping groove at the second end of the bottom plate, The connecting copper bar is sleeved on the fixing screw above the bottom plate, and the connecting copper bar penetrates into the channel formed by the channel plate, The fixing nut is sleeved on the fixing screw above the connecting copper bar, and the fixing nut presses the connecting copper bar on the bottom plate, The part of the connecting copper bar penetrating into the channel is riveted with the cable, and the copper nose is sleeved on the fixing screw between the connecting copper bar and the fixing nut.
2. The wall piercing terminal of claim 1, wherein, The upper part of the inner side of the first groove is symmetrically provided with a second protrusion extending inward, the bottom of the second protrusion and the top of the first protrusion form a second clamping groove, the second protrusion is arranged in the channel formed by the channel plate, and the bottom of the channel plate is flush with the bottom of the second protrusion.
3. The wall piercing terminal of claim 2, wherein, The top of the first protrusion at the second end of the bottom plate and the side wall of the first groove form a second groove, the second groove is communicated with the second clamping groove, the connecting copper bar is placed in the second groove, the top of the copper bar is flush with the top of the bottom plate, and the connecting copper bar directly penetrates into the second clamping groove from the second groove.
4. The wall piercing terminal of claim 1, wherein, The cap of the fixing screw is coaxially provided with a first step and a second step, the diameter of the first step is greater than the distance between the first protrusions, the diameter of the second step is smaller than the distance between the first protrusions, when the fixing screw is inverted in the first groove, the first step is clamped in the first clamping groove, the second step is clamped between the first protrusions, and the top of the second step is flush with the top of the first protrusion.
5. The wall piercing terminal of claim 1, wherein, The two sides adjacent to the channel plate of the second end of the bottom plate are provided with vertical first baffles.
6. The wall piercing terminal of claim 1, wherein, The two sides of the inner side of the channel plate symmetrically extend to the middle to form third protrusions, a channel for accommodating the rod of the fixing screw is formed between the third protrusions, The end face of the channel plate adjacent to the second end of the bottom plate is provided with a second baffle, the second baffle is provided with an opening communicated with the channel between the third protrusions, and a sealing block is arranged in the opening to seal the opening.
7. The wall piercing terminal of claim 1, wherein, A plurality of connecting units are combined to form a structure with two rows of upper and lower and front and back.