CN220122139U - Electric plug structure of indicator lamp terminal - Google Patents
Electric plug structure of indicator lamp terminal Download PDFInfo
- Publication number
- CN220122139U CN220122139U CN202321417351.3U CN202321417351U CN220122139U CN 220122139 U CN220122139 U CN 220122139U CN 202321417351 U CN202321417351 U CN 202321417351U CN 220122139 U CN220122139 U CN 220122139U
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- terminal
- groove
- cage
- indicator lamp
- elastic
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- 239000002184 metal Substances 0.000 claims abstract description 28
- 239000000725 suspension Substances 0.000 claims abstract description 7
- 238000004804 winding Methods 0.000 claims description 14
- 238000003780 insertion Methods 0.000 claims description 12
- 230000037431 insertion Effects 0.000 claims description 12
- 210000000988 bone and bone Anatomy 0.000 claims description 9
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 9
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 101150006573 PAN1 gene Proteins 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to a structure application technology in the mechanical industry, in particular to an electric plug-in structure of an indicator lamp terminal applied to an electric accessory. The panel framework is buckled with the bottom shell, a cage type cavity installation groove is formed in the bottom shell, an indicator lamp terminal inserting groove is formed in the side edge of the cage type cavity installation groove, a cage type metal wiring body is installed on the cage type cavity installation groove, the indicator lamp terminal inserting groove comprises an inserting opening end and an inserting body, the whole inserting body is a three-surface cavity, the surface, close to the cage type cavity installation groove, of the inserting body is a suspension surface, the surface, opposite to the suspension surface, of the suspension surface is divided into an upper groove surface and a lower groove surface, the horizontal position of the lower groove surface is lower than that of the upper groove surface, and a step for clamping the indicator lamp terminal is arranged between the upper groove surface and the lower groove surface; the back of the end head is provided with an anti-drop protrusion corresponding to the step. When the elastic terminal is inserted into the terminal inserting groove of the indicator lamp, the elastic terminal is firmly inserted and has smooth electric conduction.
Description
Technical Field
The utility model relates to a structure application technology in the mechanical industry, in particular to an electric plug-in structure of an indicator lamp terminal applied to an electric accessory.
Background
When the external connection mode is adopted, the indicator lamp of the existing panel switch and socket type products is usually riveted with the elastic terminal at the pin of the indicator lamp assembly, then the elastic terminal is inserted into the reserved hole behind the bottom shell of the product, and the elastic terminal is contacted with the electrified component to realize power supply of the indicator lamp so as to light the indicator lamp. The general elastic terminal is designed to be smaller because of the cost and the universality requirement, so that the general elastic terminal is not provided with a foolproof structure, so that foolproof is difficult to manufacture in the elastic terminal inserting holes on the panel switch and the socket product base, and the operator can only ensure the forward insertion of the elastic terminal during production. The manual operation error is large, which results in a large probability of reverse and lateral insertion of the elastic terminal. Because of the asymmetry of the spring terminal structure, contact with the charging member after reverse insertion, lateral insertion is unreliable. When the production line is tested on line, the production line may not contact after being installed by a customer, and thus the indicator light is not operated. Meanwhile, when the pull-out preventing sheet-shaped protrusions of the universal elastic terminal are compressed, plastic deformation is easy to generate, and if the design of the insertion holes is unreasonable, the pull-out preventing sheet-shaped protrusions of the universal elastic terminal are compressed to generate plastic deformation, so that the pull-out preventing function is lost, and the universal elastic terminal is easy to pull out.
Disclosure of Invention
Aiming at the technical problems, the utility model solves the problems that the design of the elastic terminal hole in the prior art has no foolproof structure and the elastic terminal is not firmly contacted with the electrified component, and provides an electric plug-in structure of the indicator lamp terminal with firm electric conduction.
In order to solve the technical problems, the technical scheme of the utility model is as follows: the utility model provides an electric grafting structure of pilot lamp terminal, includes drain pan and the panel skeleton with the drain pan lock, the drain pan in be equipped with cage cavity mounting groove, be equipped with pilot lamp terminal cartridge groove at cage cavity mounting groove's side, cage cavity mounting groove on install cage metal wiring body, pilot lamp terminal cartridge groove include cartridge open end and cartridge body, the cartridge body wholly be trilateral cavity, the cartridge body is the unsettled face with the face that the cage cavity mounting groove is adjacent, unsettled face is relative face divide into upper groove face and lower groove face, the horizontal position of lower groove face is less than the horizontal position of upper groove face, be equipped with the step of joint pilot lamp terminal between upper groove face and the lower groove face; the indicator lamp terminal is an elastic terminal, the elastic terminal comprises a terminal head and a wire outlet part, the terminal head is a square semi-closed winding body which is elastically contacted with the cage-type metal wiring body, and the back of the terminal head is provided with an anti-falling protrusion corresponding to the step. After the indicator lamp is correctly installed, the anti-falling protrusion just clamps the step, so that the elastic terminal is fully prevented from falling out of the indicator lamp terminal inserting groove.
Further: in the electric plug structure of the indicator lamp terminal, two ends of the upper groove surface are provided with upper convex strips which are convenient for inserting the elastic terminal, and the upper convex strips are straight.
The two ends of the lower groove surface are provided with lower convex strips which are convenient for the insertion of the elastic terminals, and the lower convex strips are provided with front inclined planes which enlarge the bottom ends of the plug-in mounting bodies. That is, after the elastic terminal passes through the step, the end head of the elastic terminal is elastically released, the lower end of the cavity is gradually enlarged, and the end head with the enlarged volume is fully accommodated.
The opening end of the plug-in mounting is provided with four surrounding bone positions for preventing the metal of the outgoing line part of the elastic terminal from being exposed.
The cage type metal wiring body comprises a wiring cavity and a compression screw at the upper end of the wiring cavity.
The panel framework is provided with a through hole which is opposite to the cage-type metal wiring body. The power wire is used for connecting the cage type metal wiring body with the power wire.
The panel framework is provided with a limiting bone position which is opposite to the terminal inserting groove of the indicator lamp.
Compared with the prior art, the electric plug-in structure of the indicator lamp terminal comprises a bottom shell and a panel framework buckled with the bottom shell, wherein a cage type cavity installation groove is formed in the bottom shell, an indicator lamp terminal plug-in groove is formed in the side edge of the cage type cavity installation groove, a cage type metal wiring body is arranged on the cage type cavity installation groove, the indicator lamp terminal plug-in groove comprises a plug-in opening end and a plug-in body, the whole plug-in body is a three-surface cavity, the surface, adjacent to the cage type cavity installation groove, of the plug-in body is a suspension surface, the surface, opposite to the suspension surface, is divided into an upper groove surface and a lower groove surface, the horizontal position of the lower groove surface is lower than the horizontal position of the upper groove surface, and a step for clamping the indicator lamp terminal is arranged between the upper groove surface and the lower groove surface; the indicator lamp terminal is an elastic terminal, the elastic terminal comprises a terminal head and a wire outlet part, the terminal head is a square semi-closed winding body which is elastically contacted with the cage-type metal wiring body, and the back of the terminal head is provided with an anti-falling protrusion corresponding to the step. After the indicator lamp is correctly installed, the anti-falling protrusion just clamps the step, so that the elastic terminal is fully prevented from falling out of the indicator lamp terminal inserting groove. The bottom shell and the panel framework are connected together by fastening screws, the cage-type metal wiring body is fixed in the bottom shell and the panel framework to form a whole, the elastic terminal is inserted from the indicator lamp terminal inserting groove, the square semi-closed winding body is contacted with the side wall of the cage-type metal wiring body during forward insertion, and the back anti-falling protrusion of the end head clamps the step of the elastic terminal inserted into the indicator lamp terminal inserting groove so as not to be pulled out, so that stable contact is formed; when the back of the reverse insertion, the back anti-falling protrusion of the reverse semi-closed winding body is contacted with the side wall of the cage-type metal wiring body, and the reverse semi-closed winding body clamps the step of the elastic terminal inserted into the terminal inserting groove of the indicator lamp, so that the elastic terminal is not pulled out, and stable contact is formed; when the side direction is inserted, the elastic terminal is inserted into the terminal inserting groove of the indicator lamp and cannot be contacted with the side wall of the cage-type metal wiring body, and the indicator lamp cannot be lightened at the moment, so that the indicator lamp can be easily checked by an operator on line. Meanwhile, when the elastic terminal is laterally inserted, the sheet-shaped protruding body and the back-shaped semi-closed winding body are contacted with the vertical side wall, so that the elastic terminal can be easily pulled out, and timely online reworking can be realized. Therefore, when the elastic terminal is inserted into the terminal inserting groove of the indicator lamp, the elastic terminal is firmly inserted and has smooth electric conduction.
Drawings
FIG. 1 is an exploded view of an electrical plug structure of the present utility model (the bottom shell is shown as the mounting surface);
FIG. 2 is a schematic view of the structure (without cage metal wiring bodies) inside the bottom shell (opposite to the mounting surface);
FIG. 3 is a schematic view of the structure (with cage-type metal wiring bodies) inside the bottom shell (opposite to the mounting surface);
fig. 4 is a schematic view of a panel skeleton (a mounting surface to which a power line is externally connected);
FIG. 5 is an overall view of the electrical plug structure of the present utility model (the bottom shell is shown as the mounting surface);
FIG. 6 is an enlarged view of the right portion of FIG. 5, taken along the AA direction, with the sectional view facing upward;
FIG. 7 is an enlarged view of the cage metal wiring body;
FIG. 8 is an enlarged view of the structure of the flexible terminal;
the novel wire winding device comprises a 1 bottom shell, a 2 panel framework, a 3 cage type cavity mounting groove, a 4 indicator lamp terminal inserting groove, a 5 cage type metal wire connecting body, an upper groove surface, a 7 lower groove surface, 8 steps, 9 elastic terminals, 10 wire outlet parts, an 11-loop-shaped semi-closed winding body, 12 anti-falling protrusions, 13 upper convex strips, 14 lower convex strips, 15 surrounding bone positions, 16 wire connecting cavities, 17 compression screws, 18 through holes and 19 limiting bone positions.
Detailed Description
The present utility model will be described in further detail below with reference to the drawings and examples for the understanding of those skilled in the art.
Embodiment one referring to fig. 1-8: the utility model provides an electric grafting structure of pilot lamp terminal, includes drain pan 1 and panel skeleton 2 with the drain pan lock, the drain pan in be equipped with cage cavity mounting groove 3, be equipped with pilot lamp terminal cartridge groove 4 at cage cavity mounting groove's side, cage cavity mounting groove on install cage metal termination body 5, pilot lamp terminal cartridge groove 4 include cartridge open end and cartridge body, the cartridge body wholly be trilateral cavity, the face that cartridge body and cage cavity mounting groove are adjacent is the unsettled face, unsettled face opposite face divides upper groove face 6 and lower groove face 7, the horizontal position of lower groove face 7 is less than the horizontal position of upper groove face 6, be equipped with the step 8 of joint pilot lamp terminal between upper groove face 6 and the lower groove face 7; the indicator lamp terminal is an elastic terminal 9, the elastic terminal comprises a terminal head and an outgoing line part 10, the terminal head is a square semi-closed winding body 11 which is elastically contacted with the cage type metal wiring body 5, and the back surface of the terminal head is provided with an anti-falling protrusion 12 corresponding to the step 8. The anti-drop protrusions 12 are sheet-shaped. The two ends of the upper groove surface 6 are provided with upper convex strips 13 which are convenient for inserting the elastic terminals, and the upper convex strips are straight. The two ends of the lower groove surface 7 are provided with lower convex strips 14 which are convenient for inserting the elastic terminals, and the lower convex strips are provided with front inclined surfaces which enlarge the bottom ends of the inserting bodies. The opening end of the insertion is provided with four surrounding bone positions 15 for preventing the metal of the outgoing line part of the elastic terminal from being exposed. The cage type metal wiring body 5 comprises a wiring cavity 16 and a compression screw 17 at the upper end of the wiring cavity. The panel framework is provided with a through hole 18 which is opposite to the cage cavity installation groove 3. The panel framework is provided with a limiting bone 19 which is opposite to the indicator light terminal inserting groove 4.
In the second embodiment, the anti-slip-out protrusion 12 is spherical compared with the first embodiment.
In operation, in the above two embodiments, when the elastic terminal 9 is inserted into the indicator light terminal inserting groove 4 in the forward direction, the elastic terminal 9 is introduced with the aid of the upper protruding strip 13 and the lower protruding strip 14, and enters the indicator light terminal inserting groove 4, since the upper protruding strip 13 is arranged at two ends of the upper groove surface 6, the lower protruding strip 14 is arranged at two ends of the lower groove surface, the passage through which the anti-falling protrusion 12 passes is naturally formed between the protruding strips at two ends, the anti-falling protrusion 12 is prevented from being compressed to generate plastic deformation, and only a small force is needed for the elastic terminal 9 at the beginning of insertion.
The elastic terminal 9 continues to be inserted, and the back anti-falling protrusion 12 is ensured not to generate plastic deformation to the maximum extent when passing through the step 8.
When the elastic terminal 9 is inserted to the bottom, the elastic terminal is blocked by a limiting bone 19 on the panel framework 2 for limiting the insertion depth of the elastic terminal, and the square semi-closed winding body 11 is compressed by the side wall of the cage-type metal wiring body 5 to generate reliable contact. The back anti-falling protrusion 12 of the elastic terminal 9 is restored, and the step 8 blocks the sheet anti-falling protrusion 12, so that the elastic terminal 9 cannot be pulled out.
After the indicator lamp is correctly installed, the anti-falling protrusion 12 just clamps the step 8, so that the elastic terminal 9 is fully prevented from falling out of the indicator lamp terminal inserting groove.
When the elastic terminal 9 is reversely inserted, the back anti-drop protrusion 12 of the square semi-closed winding body 11 contacts with the side wall of the cage-type metal wiring body 5 when the elastic terminal 9 is reversely inserted into the indicator lamp terminal inserting groove 4, and the square semi-closed winding body 11 clamps the step 8 of the elastic terminal inserted into the indicator lamp terminal inserting groove so as not to be pulled out, thus forming stable contact
When the elastic terminal 9 is inserted laterally, the back of the elastic terminal is provided with an anti-falling protrusion 12 and the back of the semi-closed winding body 11 are contacted with the vertical side wall, so that the elastic terminal can be easily pulled out, and timely online reworking can be realized.
It is to be understood that the above examples of the present utility model are provided by way of illustration only and not by way of limitation of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included in the scope of the present utility model as set forth in the appended claims.
Claims (8)
1. The utility model provides an electric grafting structure of pilot lamp terminal, includes drain pan (1) and panel skeleton (2) with the drain pan lock, the drain pan in be equipped with cage cavity mounting groove (3), be equipped with pilot lamp terminal cartridge groove (4) at the side in cage cavity mounting groove, cage cavity mounting groove on install cage metal termination (5), its characterized in that: the indicator lamp terminal inserting groove (4) comprises an inserting opening end and an inserting body, the whole inserting body is a three-face cavity, the surface, which is close to the cage cavity installing groove, of the inserting body is a suspension surface, the surface, which is opposite to the suspension surface, is divided into an upper groove surface (6) and a lower groove surface (7), the horizontal position of the lower groove surface (7) is lower than that of the upper groove surface (6), and a step (8) for clamping the indicator lamp terminal is arranged between the upper groove surface (6) and the lower groove surface (7);
the indicator lamp terminal is an elastic terminal (9), the elastic terminal comprises a terminal head and a wire outlet part (10), the terminal head is a square semi-closed winding body (11) which is elastically contacted with the cage type metal wiring body (5), and the back surface of the terminal head is provided with an anti-falling protrusion (12) corresponding to the step (8).
2. The electrical plug structure of an indicator light terminal of claim 1, wherein: the anti-falling protrusion (12) is sheet-shaped or spherical.
3. The electrical plug structure of an indicator light terminal of claim 1, wherein: the two ends of the upper groove surface (6) are provided with upper convex strips (13) which are convenient for inserting the elastic terminals, and the upper convex strips are straight.
4. An electrical plug structure for a light terminal as defined in claim 3, wherein: the two ends of the lower groove surface (7) are provided with lower convex strips (14) which are convenient for inserting the elastic terminals, and the lower convex strips are provided with front inclined surfaces which enlarge the bottom ends of the inserting bodies.
5. The electrical plug structure of an indicator light terminal of claim 4, wherein: the opening end of the insertion is provided with four surrounding bone positions (15) for preventing the metal of the outgoing line part of the elastic terminal from being exposed.
6. The electrical plug structure of an indicator light terminal of claim 5, wherein: the cage type metal wiring body (5) comprises a wiring cavity (16) and a compression screw (17) at the upper end of the wiring cavity.
7. The electrical plug structure of an indicator light terminal of claim 6, wherein: the panel framework is provided with a through hole (18) which is opposite to the cage-type metal wiring body (5).
8. The electrical plug structure of an indicator light terminal of claim 7, wherein: the panel framework is provided with a limiting bone position (19) which is opposite to the indicator light terminal inserting groove (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321417351.3U CN220122139U (en) | 2023-06-05 | 2023-06-05 | Electric plug structure of indicator lamp terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321417351.3U CN220122139U (en) | 2023-06-05 | 2023-06-05 | Electric plug structure of indicator lamp terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220122139U true CN220122139U (en) | 2023-12-01 |
Family
ID=88914273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321417351.3U Active CN220122139U (en) | 2023-06-05 | 2023-06-05 | Electric plug structure of indicator lamp terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220122139U (en) |
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2023
- 2023-06-05 CN CN202321417351.3U patent/CN220122139U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |