CN215869925U - Novel shell structure for fixing grounding terminal - Google Patents
Novel shell structure for fixing grounding terminal Download PDFInfo
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- CN215869925U CN215869925U CN202122004802.8U CN202122004802U CN215869925U CN 215869925 U CN215869925 U CN 215869925U CN 202122004802 U CN202122004802 U CN 202122004802U CN 215869925 U CN215869925 U CN 215869925U
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- enclosure
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- fixing
- ground terminal
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Abstract
The utility model discloses a novel shell structure for fixing a grounding terminal, which requires a shell to be specially molded with a thick wall thickness, cannot generate the shrinkage condition, and is easy to assemble and not easy to fall. A novel shell structure for fixing a ground terminal comprises a shell and the ground terminal; a first enclosure is projected from the inner surface of a bottom plate of the shell, the top surface of the first enclosure is opened, a second enclosure is projected from the inner bottom surface of the first enclosure, the top surface of the second enclosure is opened, and a first notch is formed in the front wall of the first enclosure; the grounding terminal comprises a wiring block, a first through hole is formed in the front wall of the wiring block, a threaded hole is formed in the top surface of the wiring block, the threaded hole is communicated with the first through hole, and a fixing column protrudes from the bottom surface of the wiring block; the fixed column embedding second encloses and keeps off the internal fixation, and the top surface that the fender was enclosed to the second supports the lug to the lug embedding is first encloses and keeps off the internal fixation, and the screw hole is just to setting up with first breach, and first through-hole is used for the wire to insert, and bolt screw in screw hole roof pressure fixed wire.
Description
Technical Field
The utility model belongs to the technical field of electric appliance installation, and particularly relates to a novel shell structure for fixing a grounding terminal.
Background
The terminal box of national standard plastics material is more rare, generally does not have ground connection function, and the terminal box of english standard plastics material generally has ground connection function. The existing junction box with the grounding function is realized by the following steps: the installation and fixation are realized by directly pressing the grounding terminal into the junction box shell and utilizing the interference between one end of the grounding terminal and the shell.
This solution requires a relatively thick wall thickness of the housing in the local area; on one hand, however, the shell is severely shrunk during injection molding production, so that the matching size of the product appearance is influenced; on the other hand, the ground terminal has smaller deformation during installation, the size is difficult to control, and the assembly of the ground terminal is difficult.
Disclosure of Invention
In view of the above drawbacks of the background art, an object of the present invention is to provide a novel housing structure for fixing a ground terminal, which requires a housing to be specially injection-molded with a thick wall thickness, does not cause shrinkage, is easy to assemble, and is not easy to drop.
In order to solve the technical problem, the utility model aims to realize that:
a novel shell structure for fixing a ground terminal comprises a shell and the ground terminal; a first enclosure is projected from the inner surface of a bottom plate of the shell, the top surface of the first enclosure is opened, a second enclosure is projected from the inner bottom surface of the first enclosure, the top surface of the second enclosure is opened, and a first notch is formed in the front wall of the first enclosure;
the grounding terminal comprises a wiring block, a first through hole is formed in the front wall of the wiring block, a threaded hole is formed in the top surface of the wiring block, the threaded hole is communicated with the first through hole, and a fixing column protrudes from the bottom surface of the wiring block;
the fixed column embedding second encloses and keeps off the internal fixation, and the top surface that the fender was enclosed to the second supports the lug to the lug embedding is first encloses and keeps off the internal fixation, and the screw hole is just to setting up with first breach, and first through-hole is used for the wire to insert, and bolt screw in screw hole roof pressure fixed wire.
On the basis of the above scheme and as a preferable scheme of the scheme: the first enclosure is square or round, and the junction block is correspondingly square or round.
On the basis of the above scheme and as a preferable scheme of the scheme: the inner surface of the first enclosing barrier is protruded with a thin rib, and the outer surface of the junction block is correspondingly sunken with the thin rib to form a first clamping groove.
On the basis of the above scheme and as a preferable scheme of the scheme: the second enclosure is divided into four separation blades, a gap exists between two adjacent separation blades, and the four separation blades are enclosed to form a rectangular clamping fixing column.
On the basis of the above scheme and as a preferable scheme of the scheme: the inner walls of the retaining pieces are sunken to form cambered surfaces, and the four cambered surfaces surround to form a circle; the fixed column is cylindrical.
On the basis of the above scheme and as a preferable scheme of the scheme: the first edge of enclosing the top that encloses fender and second has seted up the chamfer.
Compared with the prior art, the utility model has the outstanding and beneficial technical effects that:
compared with the prior art, the novel shell structure for fixing the grounding terminal comprises the shell and the grounding terminal, wherein the grounding terminal is pressed into the first enclosure on the shell, and the grounding terminal and the shell are assembled in place through interference fit.
In the novel shell structure design of the fixed grounding terminal, the second enclosure surrounded by four baffle plates is added in the first enclosure, so that the assembly problem caused by difficulty in control of interference fit size can be prevented while good elasticity is provided; the interference fit is also used, so that the grounding terminal is ensured to be installed in place to play a double guarantee role, and the loosening and falling of the grounding terminal in use are effectively avoided;
simultaneously, chamfer characteristics are added at the opening parts of the cylindrical hole and the square hole, and the chamfer provides guidance for the grounding terminal, so that the production and assembly are convenient.
Drawings
Fig. 1 is a schematic view of the overall mounting structure of the present invention.
Fig. 2 is an overall sectional structural schematic diagram of the present invention.
Fig. 3 is a partial sectional structural schematic view of the present invention.
Fig. 4 is a partially enlarged schematic view of the present invention.
Fig. 5 is a schematic view of the structure of the ground terminal of the present invention.
Reference numerals: a housing 01; a first fence 010; a first notch 0100; 0101 of fine ribs; a second enclosure 011; a cambered surface 0110; chamfering 0111; a ground terminal 02; a junction block 020; a first through hole 0200; a threaded hole 0201; a first card slot 0202; a fixed column 021; a bolt 03;
Detailed Description
The utility model will be further described in the following with specific embodiments in conjunction with the accompanying drawings;
the embodiment provides a novel shell structure for fixing a ground terminal, which comprises a shell 01 and a ground terminal 02; the shell 01 is formed by injection molding of a plastic material, and the grounding terminal 02 is made of a copper material and is used for connecting a grounding wire;
a first enclosing barrier 010 protrudes from the inner surface of the bottom plate of the shell 01, the first enclosing barrier 010 is integrally formed on the shell 01, and the first enclosing barrier 010 is in an enclosing state; the top surface of the first fence 010 is opened for the ground terminal 02 to be inserted; the first fence 010 can also protrude from other places of the inner wall of the shell 01, and the normal installation habit is from the bottom surface;
a second enclosure 011 protrudes from the bottom surface of the first enclosure 010, the second enclosure 011 is also integrally formed with the shell 01, and the second enclosure 011 is wrapped by the first enclosure 010; the scheme is different from the traditional scheme, namely, the enclosure is formed;
the top surface of the second enclosure 011 is open, and the front wall of the first enclosure 010 is provided with a first notch 0100; the first notch 0100 is used for passing through a power connection wire; the first notch 0100 can be in different shapes, a hole or a U-shaped groove according to different requirements;
the grounding terminal 02 comprises a wiring block 020, a first through hole 0200 is formed in the front wall of the wiring block 020, and different specifications of the first through hole 0200 are formed according to the size of a grounding wire, so that the grounding terminal is more practical; a threaded hole 0201 is formed in the top surface of the wiring block 020, the threaded hole 0201 is communicated with the first through hole 0200, and a fixing column 021 protrudes from the bottom surface of the wiring block 020; the fixing column 021 and the wiring block 020 are integrally formed;
the fixed column 021 is embedded into the second enclosure 011 for fixation, and the fixed column 021 and the second enclosure 011 are in interference fit, so that the fixed column 021 is tightly clamped in the second enclosure 011;
the top surface of the second enclosure 011 supports a wiring block 020, the wiring block 020 is embedded into the first enclosure 010 and fixed, and the wiring block 020 and the first enclosure 010 are in interference fit, so that the wiring block 020 is clamped in the first enclosure 010 and the second enclosure 011 supports the wiring block; the shrinkage of the appearance caused by the over-thick local wall thickness in the injection molding process of the shell 01 can be effectively avoided; the two parts are in interference clamping fit, so that the dual-protection anti-loosening function is achieved;
the threaded hole 0201 is opposite to the first notch 0100, the first through hole 0200 is used for inserting a wire, and the bolt 03 is screwed into the threaded hole 0201 to press and fix the wire. The wire is inserted into the first through hole 0200 to realize grounding connection;
furthermore, the first enclosure 010 is square or round, and the junction block 020 is correspondingly square or round.
As described above, the inner surface of the first enclosure 010 may be square or circular, and the outer surface of the corresponding junction block 020 may be square or circular, so as to be suitable for different requirements, and the housing 01 is installed inside;
furthermore, a thin rib 0101 protrudes from the inner surface of the first enclosing barrier 010, and a first clamping groove 0202 is formed by correspondingly recessing the outer surface of the wiring block 020 and the thin rib 0101.
As described above, the thin ribs 0101 are integrally formed on the first fence 010; the section of the thin rib 0101 is semicircular; the first clamping groove 0202 with the concave surface of the wiring block 020 is used for clamping and fixing the thin rib 0101;
the wiring block 020 is embedded into the first enclosure 010 and further clamped through the matching of the thin rib 0101 and the first clamping groove 0202, so that the purpose of loosening is achieved;
preferably, the thin ribs 0101 are arranged in parallel;
further, the second enclosure 011 is divided into four baffle plates, a gap exists between two adjacent baffle plates, and the four baffle plates surround to form a rectangular clamping fixing column 021.
As described above, the second enclosure 011 adopts a design of four baffle plates, which can have good elasticity and prevent the problem of assembly caused by the difficulty in pipe hole due to the interference fit size, and the baffle plates have a certain amount of deformation;
furthermore, the inner wall of the separation blade is sunken to form an arc surface 0110, and four arc surfaces 0110 surround to form a circle; the fixed column 021 is cylindrical.
As described above, the cylindrical fixing post 021 is inserted more smoothly;
further, the first enclosing barrier 010 and the second enclosing barrier 011 have chamfers 0111 at the inner edge of the top.
As described above, the chamfer 0111 provides guidance for the ground terminal 02, facilitating production and assembly.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like, refer to the orientation or positional relationship as shown in the drawings, or as would be conventionally found in use of the products of the present invention, or as would be conventionally understood by one skilled in the art, and are used merely for convenience in describing and simplifying the utility model, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be considered as limiting the utility model.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered by the protection scope of the utility model.
Claims (6)
1. The utility model provides a novel fixed ground terminal's shell structure which characterized in that: comprises a shell and a grounding terminal; a first enclosure is projected from the inner surface of a bottom plate of the shell, the top surface of the first enclosure is opened, a second enclosure is projected from the inner bottom surface of the first enclosure, the top surface of the second enclosure is opened, and a first notch is formed in the front wall of the first enclosure;
the grounding terminal comprises a wiring block, a first through hole is formed in the front wall of the wiring block, a threaded hole is formed in the top surface of the wiring block, the threaded hole is communicated with the first through hole, and a fixing column protrudes from the bottom surface of the wiring block;
the fixed column embedding second encloses and keeps off the internal fixation, and the top surface that the fender was enclosed to the second supports the lug to the lug embedding is first encloses and keeps off the internal fixation, and the screw hole is just to setting up with first breach, and first through-hole is used for the wire to insert, and bolt screw in screw hole roof pressure fixed wire.
2. The novel housing structure for fixing a ground terminal according to claim 1, wherein: the first enclosure is square or round, and the junction block is correspondingly square or round.
3. The novel housing structure for fixing a ground terminal as claimed in claim 2, wherein: the inner surface of the first enclosing barrier is protruded with a thin rib, and the outer surface of the junction block is correspondingly sunken with the thin rib to form a first clamping groove.
4. The novel housing structure for fixing a ground terminal according to claim 1, wherein: the second enclosure is divided into four separation blades, a gap exists between two adjacent separation blades, and the four separation blades are enclosed to form a rectangular clamping fixing column.
5. The novel housing structure for fixing a ground terminal as claimed in claim 4, wherein: the inner walls of the retaining pieces are sunken to form cambered surfaces, and the four cambered surfaces surround to form a circle; the fixed column is cylindrical.
6. The novel housing structure for fixing a ground terminal according to claim 1, wherein: the first edge of enclosing the top that encloses fender and second has seted up the chamfer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122004802.8U CN215869925U (en) | 2021-08-24 | 2021-08-24 | Novel shell structure for fixing grounding terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122004802.8U CN215869925U (en) | 2021-08-24 | 2021-08-24 | Novel shell structure for fixing grounding terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215869925U true CN215869925U (en) | 2022-02-18 |
Family
ID=80242104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122004802.8U Active CN215869925U (en) | 2021-08-24 | 2021-08-24 | Novel shell structure for fixing grounding terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215869925U (en) |
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2021
- 2021-08-24 CN CN202122004802.8U patent/CN215869925U/en active Active
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