CN220172428U - Welding-free contact pin fixing and anti-falling structure - Google Patents
Welding-free contact pin fixing and anti-falling structure Download PDFInfo
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- CN220172428U CN220172428U CN202321016668.6U CN202321016668U CN220172428U CN 220172428 U CN220172428 U CN 220172428U CN 202321016668 U CN202321016668 U CN 202321016668U CN 220172428 U CN220172428 U CN 220172428U
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- contact pin
- protruding part
- device body
- pin
- socket
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- 230000001681 protective effect Effects 0.000 claims description 14
- 238000009434 installation Methods 0.000 abstract description 10
- 238000003466 welding Methods 0.000 abstract description 3
- WEJZHZJJXPXXMU-UHFFFAOYSA-N 2,4-dichloro-1-phenylbenzene Chemical compound ClC1=CC(Cl)=CC=C1C1=CC=CC=C1 WEJZHZJJXPXXMU-UHFFFAOYSA-N 0.000 description 8
- 230000000903 blocking effect Effects 0.000 description 6
- 238000001514 detection method Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a welding-free contact pin fixing and anti-falling structure, which comprises the following components: the device comprises a device body and at least one contact pin, wherein the device body is provided with at least one socket, the inside of the device body is provided with an upper protruding part and a lower protruding part, one end of the contact pin penetrates through the socket and extends towards the inside of the device body, and one end of the contact pin is clamped between the upper protruding part and the lower protruding part. Through the application of the utility model, the utility model provides a welding-free mounting structure suitable for the contact pin, after the contact pin is in primary non-welding connection with the inside of the device body, one end of the contact pin is further pressed and fixed in the inside of the device body through clamping and mounting of the upper protruding part and the lower protruding part, so that the anti-falling force of the contact pin is effectively increased, and the contact pin is prevented from falling out accidentally; the utility model has simple structure, convenient installation and better overall structural stability.
Description
Technical Field
The utility model relates to the technical field of pin installation, in particular to a welding-free pin fixing and anti-falling structure.
Background
At present, with the continuous development and progress of power supply technology, in order to realize automatic detection and display of current, power supply technology with sensing detection, sensing sampling and sensing protection is gradually trending, and a sensor for detecting current is also generated. The current sensor is a detection device, which can acquire corresponding information of the current to be detected, and convert the acquired information into an electric signal conforming to a standard or other information in a required form for output, so as to meet the requirements of transmission, processing, storage, display, recording, control and the like of the current information.
The corresponding Hall devices are adopted in the current sensor to realize the conversion of signals, and the Hall current sensor generally comprises an open loop type and a closed loop type; the open loop current sensor is characterized in that the signal output display is realized by installing corresponding pins due to the special assembly of the open loop current sensor. However, the existing current sensor is inconvenient to install the pins, further fixing of the pins is often needed to be assisted by welding, and the problem that the pins are accidentally separated still easily occurs.
Disclosure of Invention
In view of the above, the present utility model provides a welding-free pin fixing and anti-disengaging structure, comprising: the device comprises a device body and at least one contact pin, wherein the device body is provided with at least one socket, the inside of the device body is provided with an upper protruding part and a lower protruding part, one end of the contact pin penetrates through the socket and extends towards the inside of the device body, and one end of the contact pin is clamped between the upper protruding part and the lower protruding part.
In another preferred embodiment, the device body comprises at least: the upper shell and the lower shell are arranged in an up-down matching way, the upper protruding part is arranged in the upper shell, the lower protruding part is arranged in the lower shell, and the upper protruding part and the lower protruding part are arranged in an up-down matching way.
In another preferred embodiment, the device body further comprises: the PCB is arranged in the lower shell, and one end of the contact pin is insertedly connected to the PCB.
In another preferred embodiment, the socket is open on one side of the lower housing.
In another preferred embodiment, a protective sleeve is formed by extending one side of the lower shell outwards, the contact pin is accommodated in the protective sleeve, and the socket is arranged on the inner side of the protective sleeve.
In another preferred embodiment, the upper projection is in a plate structure extending in a vertical direction.
In another preferred embodiment, the upper end of the lower protruding portion is formed with a supporting surface on which the pin is carried.
In another preferred embodiment, the number of the pins is a plurality, the device body is provided with a plurality of sockets, each pin is installed in one socket, and each pin is clamped between the upper protruding part and the lower protruding part.
In another preferred embodiment, a blocking portion is formed by protruding the middle portion of the pin radially outwards, the radial outer contour of the blocking portion is larger than the inner contour of the socket, and the blocking portion abuts against the outer wall of one side of the lower shell.
In another preferred embodiment, the device body is a current sensor.
By adopting the technical scheme, the utility model has the positive effects compared with the prior art that: through the application of the utility model, the utility model provides the anti-drop structure suitable for the welding-free installation of the contact pin, after the contact pin is in primary non-welding connection with the inside of the device body, one end of the contact pin is further pressed and fixed in the inside of the device body through the clamping installation of the upper protruding part and the lower protruding part, so that the anti-drop force of the contact pin is effectively increased, and the contact pin is prevented from being accidentally dropped as far as possible; the utility model has simple structure, convenient installation and better overall structural stability.
Drawings
FIG. 1 is an overall schematic view of a welding-free pin securing and anti-disengaging structure of the present utility model;
FIG. 2 is a schematic view of a lower housing of a welding-free pin fixing and anti-disengaging structure according to the present utility model;
FIG. 3 is a schematic view of an upper housing of a welding-free pin securing and anti-disengaging structure according to the present utility model;
fig. 4 is a schematic view of a pin of a welding-free pin fixing and anti-disengaging structure according to the present utility model.
In the accompanying drawings:
1. a device body; 2. a contact pin; 3. an upper protruding portion; 4. a lower protruding portion; 5. an upper housing; 6. a lower housing; 7. a PCB board; 8. a protective sleeve; 9. a support surface; 10. and a clamping part.
Detailed Description
The utility model is further described below with reference to the drawings and specific examples, which are not intended to be limiting.
As shown in fig. 1 to 3, a soldering-free pin mounting structure of a preferred embodiment is shown, comprising: the device comprises a device body 1 and at least one contact pin 2, wherein the device body 1 is provided with at least one socket, the inside of the device body 1 is provided with an upper protruding part 3 and a lower protruding part 4, one end of the contact pin 2 penetrates through the socket and extends towards the inside of the device body 1, and one end of the contact pin 2 is clamped between the upper protruding part 3 and the lower protruding part 4. Further, an installation space is formed in the device body 1, corresponding functional components are arranged in the installation space, one end of the pin 2 is used for being connected with the corresponding functional components, and therefore the other end of the pin 2 is connected with other external devices; during installation, one end of the pin 2 is initially installed through the socket, and then the pin 2 disposed therebetween is clamped by the relative approach of the upper and lower projections 3 and 4, i.e., the upper and lower projections 3 and 4 are preferably defined to be relatively close and relatively far apart, so that the pin 2 is affected by the clamping force and is difficult to be reversely pulled out from the socket.
Further, as a preferred embodiment, the device body 1 includes at least: the upper shell 5 and the lower shell 6 are arranged in an up-down matching way, the upper shell 5 and the lower shell 6 are arranged in the upper shell 5, the upper protruding part 3 is arranged in the lower shell 6, the lower protruding part 4 is arranged in the lower shell 6, and the upper protruding part 3 and the lower protruding part 4 are arranged in an up-down matching way. Further, in the process of installing the pin 2, the upper housing 5 and the lower housing 6 are in a relatively separated state, after the pin 2 enters the lower housing 6, the lower side of the pin 2 abuts against the lower protruding portion 4 of the lower housing 6, and then the upper housing 5 is installed from top to bottom, so that the upper protruding portion 3 of the upper housing 5 abuts against the upper side of the pin 2, and the upper housing 5 and the lower housing 6 are fastened and fixed up and down.
Further, as a preferred embodiment, the upper case 5 is provided in a flat plate-shaped structure as a whole, and the inner side of the lower case 6 is formed with the above-mentioned installation space.
Further, as a preferred embodiment, the device body 1 further includes: and the PCB 7 is arranged in the lower shell 6, and one end of the contact pin 2 is insertedly connected to the PCB 7.
Further, as a preferred embodiment, the method further comprises: the clamping groove structure is formed in the lower shell 6 and is used for installing the PCB 7, and the clamping groove structure enables one installation surface of the PCB 7 to be opposite to the socket.
Further, as a preferred embodiment, the card slot structure includes two opposite slot portions, and two ends of the PCB 7 are respectively inserted and mounted in the two slot portions.
Further, as a preferred embodiment, the socket is opened on the outer wall of one side of the lower housing 6, and the socket communicates with the inner side and the outer side of the lower housing 6.
Further, as a preferred embodiment, a protective sleeve 8 is formed by extending one side of the lower housing 6 outwards, the contact pin 2 is accommodated in the protective sleeve 8, and the socket is disposed at the inner side of the protective sleeve 8. Further, the protective sleeve 8 is provided in a sleeve structure with two ends penetrating, so that the contact pin 2 can pass through one end of the protective sleeve 8 and be inserted into the socket at the inner side of the other end of the protective sleeve 8.
Further, as a preferred embodiment, the radial cross section of the protective sleeve 8 is provided in a rounded rectangle.
Further, as a preferred embodiment, the upper protruding portion 3 has a plate structure extending in the vertical direction. Further, the upper protruding portion 3 is arranged in parallel with the PCB 7, and the upper protruding portion 3 is arranged perpendicular to the lower surface of the upper housing 5.
Further, as a preferred embodiment, the upper protruding portion 3 is provided in a rectangular plate structure.
Further, as a preferred embodiment, a supporting surface 9 is formed at the upper end of the lower protruding portion 4, and the pin 2 is carried on the supporting surface 9. Further, the lower convex portion 4 is preferably formed by partially upwardly convex arching of the inner bottom surface of the lower case 6, the support surface 9 being disposed in the horizontal direction.
Further, as a preferred embodiment, the supporting surface 9 is formed with a plurality of supporting grooves which are provided through the upper end of the lower protruding portion 4 in the insertion direction of the pin 2, and the bottom surface of which is lower than the supporting surface 9 on which the pin 2 is preferably supported.
The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the embodiments and the protection scope of the present utility model.
The present utility model has the following embodiments based on the above description:
in a further embodiment of the present utility model, the number of pins 2 is a plurality, the device body 1 has a plurality of sockets, each pin 2 is installed in a socket, and each pin 2 is clamped between the upper protruding portion 3 and the lower protruding portion 4. Further, the number of pins 2 and the number of sockets are three.
In a further embodiment of the utility model, the sockets are arranged in sequence along the first direction, and the lower edge of the upper projection 3 is arranged extending along the first direction.
In a further embodiment of the present utility model, as shown in fig. 4, a blocking portion 10 is formed by protruding radially outwards from the middle of the pin 2, the radial outer contour of the blocking portion 10 is larger than the inner contour of the socket, and the blocking portion 10 abuts against the outer wall of one side of the lower housing 6. Further, the catching portions 10 protrude outward with respect to both sides in the radial direction of the pin 2, respectively, so that when the mounting pin 2 enters the socket, the socket is formed with axial guidance for the mounting of the pin 2, and the catching portions 10 make the pin 2 form a limit in the axial direction.
In a further embodiment of the present utility model, the pins 2 are arranged in a flat elongated structure, the upper surface of the pins 2 abuts against the lower edge of the upper protruding portion 3, and the lower surface of the pins 2 abuts against the supporting surface 9 of the lower protruding portion 4.
In a further embodiment of the present utility model, one end of the pin 2 has a deformation portion, and the mounting surface of the PCB 7 is provided with a corresponding jack, and the deformation portion is inserted into the jack to enable the pin 2 and the PCB 7 to form a stable connection.
In a further embodiment of the present utility model, the deformation portion includes a first portion and a second portion, both ends of which are connected to each other, one ends of the first portion and the second portion are connected to each other, and the other ends of the first portion and the second portion are connected to the body portion of the pin 2, and a deformation gap is formed between the first portion and the second portion, so as to be deformed by compression and then restored when inserted into the insertion hole.
In a further embodiment of the utility model, the device body 1 is a current sensor. Further, a hall device is correspondingly installed in the lower housing 6.
The foregoing description is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the scope of the utility model, and it will be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present utility model, and are intended to be included within the scope of the present utility model.
Claims (10)
1. The utility model provides a exempt from to weld contact pin fixed anticreep structure which characterized in that includes: the device comprises a device body and at least one contact pin, wherein the device body is provided with at least one socket, the inside of the device body is provided with an upper protruding part and a lower protruding part, one end of the contact pin penetrates through the socket and extends towards the inside of the device body, and one end of the contact pin is clamped between the upper protruding part and the lower protruding part.
2. The solderless pin fixing and drop-preventing structure according to claim 1, wherein the device body comprises at least: the upper shell and the lower shell are arranged in an up-down matching way, the upper protruding part is arranged in the upper shell, the lower protruding part is arranged in the lower shell, and the upper protruding part and the lower protruding part are arranged in an up-down matching way.
3. The solderless pin fixing and drop-off preventing structure according to claim 2, wherein the device body further comprises: the PCB is arranged in the lower shell, and one end of the contact pin is insertedly connected to the PCB.
4. The solderless pin fixing and drop-preventing structure according to claim 2, wherein the socket is opened on one side of the lower case.
5. The welding-free pin fixing and anti-drop structure according to claim 4, wherein a protective sleeve is formed by extending one side of the lower shell outwards, the pin is accommodated in the protective sleeve, and the socket is arranged on the inner side of the protective sleeve.
6. The solderless pin fixing and drop-preventing structure according to claim 2, wherein the upper protruding portion is a plate structure extending in a vertical direction.
7. The solderless pin fixing and drop preventing structure according to claim 2, wherein a supporting surface is formed at an upper end of the lower protruding portion, and the pin is carried on the supporting surface.
8. The welding-free pin fixing and anti-falling structure according to claim 2, wherein the number of pins is a plurality, the device body is provided with a plurality of sockets, each pin is installed in one socket, and each pin is clamped between the upper protruding part and the lower protruding part.
9. The welding-free contact pin fixing and anti-falling structure according to claim 2, wherein a clamping part is formed by protruding the middle part of the contact pin radially outwards, the radial outer contour of the clamping part is larger than the inner contour of the socket, and the clamping part is propped against the outer wall of one side of the lower shell.
10. The solderless pin fixing and drop-preventing structure according to claim 1, wherein the device body is a current sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321016668.6U CN220172428U (en) | 2023-04-28 | 2023-04-28 | Welding-free contact pin fixing and anti-falling structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321016668.6U CN220172428U (en) | 2023-04-28 | 2023-04-28 | Welding-free contact pin fixing and anti-falling structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220172428U true CN220172428U (en) | 2023-12-12 |
Family
ID=89051762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321016668.6U Active CN220172428U (en) | 2023-04-28 | 2023-04-28 | Welding-free contact pin fixing and anti-falling structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220172428U (en) |
-
2023
- 2023-04-28 CN CN202321016668.6U patent/CN220172428U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |