CN220253512U - Connection structure and have its earthing device - Google Patents
Connection structure and have its earthing device Download PDFInfo
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- CN220253512U CN220253512U CN202321740620.XU CN202321740620U CN220253512U CN 220253512 U CN220253512 U CN 220253512U CN 202321740620 U CN202321740620 U CN 202321740620U CN 220253512 U CN220253512 U CN 220253512U
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- circuit board
- piece
- connection structure
- conducting piece
- connection
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- 229910052751 metal Inorganic materials 0.000 claims abstract description 39
- 239000002184 metal Substances 0.000 claims abstract description 39
- 238000009434 installation Methods 0.000 claims abstract description 9
- DMFGNRRURHSENX-UHFFFAOYSA-N beryllium copper Chemical compound [Be].[Cu] DMFGNRRURHSENX-UHFFFAOYSA-N 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 abstract description 3
- 230000003068 static effect Effects 0.000 abstract description 3
- 230000002159 abnormal effect Effects 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
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- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The utility model belongs to the technical field of medical equipment, and particularly discloses a connecting structure and a grounding device with the same. The first end of the conducting piece is communicated with the circuit board, the second end of the conducting piece is communicated with the metal connecting piece, and the first end and the second end are connected, so that static electricity on the circuit board can be released to the metal connecting piece through the conducting piece, and the grounding is realized; the elastic piece is arranged in the conducting piece, and the two ends of the elastic piece are respectively abutted to the first end and the second end, so that the conducting piece always ensures that the circuit board and the metal connecting piece are conducted under the action of the elastic piece, and the phenomena of poor grounding or open circuit and the like of the circuit board caused by loosening of screws due to transportation or vibration in the installation mode of screw holes in the prior art are avoided, and further, the circuit board is prevented from being abnormal or damaged.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to a connecting structure and a grounding device with the same.
Background
When medical equipment is installed, a grounding interface on a PCB in the equipment is often required to be connected with a metal shell of the equipment, and the mode not only meets the requirements of the equipment on the electromagnetic compatibility anti-interference shielding and other self-performances, but also meets the reliability requirements of product standards on use safety, and is also a necessary condition for EMC test.
In the existing scheme, a common practice is to use screws to connect a wire with metal sheets at two ends with a grounding interface of a PCB and a metal shell of equipment respectively so as to play a role of grounding protection. However, if the screws are loosened due to transportation or vibration, the circuit board is not well grounded or is opened, so that the circuit board is not well or is damaged.
Disclosure of Invention
Therefore, the technical problem to be solved by the utility model is to overcome the defect of unstable grounding connection of the circuit board in the prior art, thereby providing a circuit board grounding protection device with stable connection.
To this end, the present utility model provides a connection structure comprising:
the conducting piece comprises a first end and a second end, wherein the first end is respectively used for being communicated with the grounding end of the circuit board, the second end is communicated with the metal connecting piece arranged far away from the circuit board, and the second end is connected with the first end;
the elastic piece is positioned inside the conducting piece, and two ends of the elastic piece are respectively abutted to the first end and the second end.
Alternatively, the above-mentioned connection structure,
the conducting piece further comprises a first connecting part, and the first end and the second end are connected through the bendable first connecting part.
Alternatively, the above-mentioned connection structure,
at least one of the first end and the second end is in a circular ring structure;
the first connecting portions are provided in plurality, and the plurality of first connecting portions are arranged along the circumferential direction of the circular structure.
Alternatively, the above-mentioned connection structure,
the first connecting part is of an arc-shaped structure.
Alternatively, the above-mentioned connection structure,
the second end is bent near the first end to form a limit groove;
still include the locating part, the locating part includes second connecting portion and is located the first spacing portion and the second spacing portion at second connecting portion both ends, first spacing portion butt is kept away from the wall of metal connecting piece in the circuit board, the wall that the spacing recess is close to the circuit board of second spacing portion butt.
Alternatively, the above-mentioned connection structure,
the first limiting part is provided with a waist-shaped groove to form a first limiting arm and a second limiting arm which are arranged at intervals, and the first limiting arm and the second limiting arm are close to each other under the action of external force.
Alternatively, the above-mentioned connection structure,
the elastic piece is a spring.
Alternatively, the above-mentioned connection structure,
the conducting piece is made of beryllium copper.
A grounding device, comprising:
the shell is internally provided with an installation cavity;
the connecting structure is the connecting structure and is arranged in the mounting cavity;
the circuit board is arranged in the mounting cavity;
the metal connecting piece is fixedly arranged inside the shell through the limiting piece and is communicated with the circuit board through the conducting piece.
Optionally, the grounding device is provided with a grounding device,
the circuit board comprises a body and a through hole penetrating through the body;
the first limiting arm and the second limiting arm penetrate through the through hole.
The technical scheme provided by the utility model has the following advantages:
the utility model provides a connecting structure which comprises a conducting piece and an elastic piece. The conducting piece comprises a first end and a second end, wherein the first end is respectively used for being communicated with a grounding end of the circuit board, the second end is communicated with a metal connecting piece arranged far away from the circuit board, and the second end is connected with the first end; the elastic piece is positioned in the conducting piece, and two ends of the elastic piece are respectively abutted to the first end and the second end.
According to the connecting structure, the first end of the conducting piece is communicated with the circuit board, the second end of the conducting piece is communicated with the metal connecting piece, and the first end and the second end are connected, so that static electricity on the circuit board can be released to the metal connecting piece through the conducting piece, and the grounding is realized; the elastic piece is arranged in the conducting piece, and the two ends of the elastic piece are respectively abutted to the first end and the second end, so that the conducting piece always ensures that the circuit board and the metal connecting piece are conducted under the action of the elastic piece, and the phenomena of poor grounding or open circuit and the like of the circuit board caused by loosening of screws due to transportation or vibration in the installation mode of screw holes in the prior art are avoided, and further, the circuit board is prevented from being abnormal or damaged.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a connection structure according to an embodiment of the present utility model;
FIG. 2 is a schematic overall cross-sectional view of a connection structure according to an embodiment of the present utility model;
FIG. 3 is an enlarged view of part of the grounding device according to the embodiment of the present utility model in an exploded state;
FIG. 4 is a schematic partial cross-sectional view of a grounding device according to an embodiment of the present utility model;
reference numerals illustrate:
1-a conducting member; 11-a first end; 12-a second end; 13-a first connection; 14-limiting grooves;
2-an elastic member;
3-limiting parts; 31-a second connection; 32-a first limit part; 321-waist-shaped grooves; 322-a first limiting arm; 323-a second limiting arm; 33-a second limit part;
4-a housing;
5-a circuit board; 51-body;
6-metal connector.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.
Example 1
In this embodiment, as shown in fig. 1 to 4, a connection structure is provided, which includes a conductive member 1 and an elastic member 2. Wherein the conducting member 1 comprises a first end 11 for communicating with the grounding end of the circuit board 5 and a second end 12 for communicating with the metal connecting member 6 disposed away from the circuit board 5, the second end 12 being connected with the first end 11; the elastic member 2 is located inside the conducting member 1, and two ends of the elastic member 2 are respectively abutted to the first end 11 and the second end 12.
In the connection structure of the structure, the first end 11 of the conducting piece 1 is communicated with the circuit board 5, the second end 12 of the conducting piece 1 is communicated with the metal connecting piece 6, and the first end 11 and the second end 12 are connected, so that static electricity on the circuit board 5 can be released to the metal connecting piece 6 through the conducting piece 1 to realize grounding; the elastic piece 2 is arranged in the conducting piece 1, and two ends of the elastic piece 2 are respectively abutted to the first end 11 and the second end 12, so that the conducting piece 1 always ensures that the circuit board 5 and the metal connecting piece 6 are conducted under the action of the elastic piece 2, the phenomena of poor grounding or open circuit of the circuit board 5 and the like caused by loosening of screws due to transportation or vibration in the installation mode of screw holes in the prior art are avoided, and further the malfunction or damage of the circuit board 5 is avoided.
The structure of the conductive member 1 is not limited to the connection structure provided in the present embodiment. As one implementation mode, the conducting piece 1 is internally provided with a containing cavity, and the containing cavity is communicated with the outside at the moment, so that the elastic piece 2 is conveniently placed in the containing cavity.
It should be noted that, in the connection structure provided in this embodiment, the conductive member 1 needs to be made of a material with good conductivity, so that the circuit board 5 and the metal connection member 6 are conductive.
As shown in fig. 1 and 2, in the connection structure provided in this embodiment, the conducting element 1 further includes a first connection portion 13, and the first end 11 and the second end 12 are connected by the first connection portion 13 that can be bent.
It may be noted that, in the connection structure provided in this embodiment, at least one of the first end 11 and the second end 12 has a circular ring structure. As one embodiment, the first end 11 and the second end 12 are both in a circular ring structure.
Further, in the present embodiment, the number of the first connection portions 13 is not limited, for example, the first connection portions 13 are provided in plurality, and only the plurality of first connection portions 13 need to be provided along the circumferential direction of the annular structure, and the plurality of first connection portions may be provided in an equidistant manner. As one embodiment, six first connection portions 13 are provided. In other alternative embodiments, the number of first connecting portions 13 may be set to three, four, or others.
Further, in the present embodiment, the structure of the first connection portion 13 is not limited, and the first connection portion 13 may be formed in an arc-shaped structure. In one embodiment, the first connecting portion 13 is an elongated arc piece having a predetermined curvature.
As shown in fig. 1 and 2, in the connection structure provided in this embodiment, the second end 12 is bent near the first end 11 to form a limiting groove 14; the connection structure further includes a limiting member 3, and the limiting member 3 includes a second connection portion 31, and a first limiting portion 32 and a second limiting portion 33 located at two ends of the second connection portion 31, where the first limiting portion 32 abuts against a wall surface of the circuit board 5 away from the metal connection member 6, and the second limiting portion 33 abuts against a wall surface of the limiting groove 14 close to the circuit board 5.
It may be noted that, in the connection structure provided in this embodiment, the elastic member 2 and the first connection portion 13 are sleeved in the radial direction of the second connection portion 31 in sequence, if the grounding device needs to be transported or the grounding device vibrates during use, the elastic member 2 and the first connection portion 13 may limit the movement of the radial direction of the second connection portion 31, and the first limiting portion 32 and the second limiting portion 33 may limit the movement of the axial direction of the second connection portion 31, so as to ensure that the conductive member 1 may always conduct the circuit board 5 and the metal connection member 6, and realize that the grounding end of the circuit board 5 is always grounded.
It may be noted that, in the connection structure provided in this embodiment, the first limiting portion 32 is provided with the waist-shaped slot 321 to form the first limiting arm 322 and the second limiting arm 323 which are disposed at intervals, and under the action of external force, the first limiting arm 322 and the second limiting arm 323 are close to each other in opposite directions.
It should be noted that, in the connection structure provided in this embodiment, the material of the second connection portion 31 is not limited, and only needs to be made of an insulating material, such as PVC plastic.
As shown in fig. 1 to 4, the structure of the elastic member 2 is not limited in the connection structure provided in the present embodiment, and in order to reduce the cost, the elastic member 2 is selected to be a standard member, such as a spring. Further, a compression spring, a coil spring, a torsion bar spring, or the like may be selected as the elastic member 2.
It may be noted that, in the connection structure provided in this embodiment, the material of the elastic member 2 is not limited, and may be selected as a metal material or a rubber material according to specific requirements.
As shown in fig. 1 to 4, in the connection structure provided in this embodiment, the conductive member 1 is made of beryllium copper.
Example 2
The present embodiment provides a grounding device including the connection structure provided in embodiment 1.
As shown in fig. 1 to 4, the grounding device provided in this embodiment further includes a housing 4, a circuit board 5, and a metal connector 6. Wherein, the inside of the shell 4 is provided with an installation cavity; the connecting structure is arranged in the mounting cavity; the circuit board 5 is arranged in the mounting cavity; the metal connector 6 is mounted inside the housing 4 and communicates with the circuit board 5 through the via 1.
In the present embodiment, the circuit board 5 is a commonly called PCB (Printed Circuit Board), also called a printed circuit board, which is an important electronic component. The circuit board 5 is usually provided with a GND (Ground) interface for connection with a Ground wire, and the grounding protection device for the circuit board 5 provided in this embodiment is to communicate the GND interface on the circuit board 5 with a metal connection board in the device housing 4, so as to implement grounding of the circuit board 5.
It can be noted that, in the connection structure provided in this embodiment, when the grounding device needs to be transported or the grounding device vibrates during use, that is, if the metal connecting piece 6 acts on the second end 12, the second end 12 will move in a direction close to the first end 11 until the metal connecting piece 6 acts on the second limiting portion 33 through the second end 12, at this time, the second limiting portion 33 will press the elastic piece 2, the elastic piece 2 will deform, at this time, the metal connecting piece 6 and the circuit board 5 are always conducted; after the second end 12 is not affected by the metal connector 6, the elastic member 2 gradually returns to the original shape, and the second end 12 moves away from the first end 11 under the action of the elastic member 2 until the second end 12 abuts against the surface of the metal connector 6, and at this time, the metal connector 6 and the circuit board 5 remain in a conductive state.
It may be noted that, in the grounding device provided in this embodiment, the circuit board 5 includes a body 51 and a through hole penetrating through the body 51; at this time, the first limiting arm 322 and the second limiting arm 323 penetrate through the through hole.
In the grounding device provided by the embodiment, during installation, components such as the circuit board 5 and the like are firstly installed in the installation cavity; the connecting structure is arranged at the through hole of the circuit board 5, so that the first limiting arm 322 and the second limiting arm 323 are abutted against the wall surface of the circuit board 5 far away from the metal connecting piece 6, the connecting structure is prevented from being separated from the through hole, and the first limiting arm 322 and the second limiting arm 323 are reversely buckled on the wall surface of the circuit board 5 far away from the metal connecting piece 6; the metal connecting piece 6 is abutted against the wall surface of the second end 12 far away from the first end 11; then, the metal connecting piece 6 is connected with the mounting column arranged in the shell 4 in a threaded manner by using a member with an external threaded structure such as a screw or a bolt, and the fixation of the metal connecting piece 6 is completed; and then a subsequent installation process is carried out, for example, another shell is used for being connected with the shell 4, and the installation cavity inside the shell 4 is sealed.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. 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. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.
Claims (10)
1. A connection structure, characterized by comprising:
the circuit board comprises a conducting piece (1), wherein the conducting piece (1) comprises a first end (11) which is respectively used for being communicated with a grounding end of the circuit board (5) and a second end (12) which is communicated with a metal connecting piece (6) arranged far away from the circuit board (5), and the second end (12) is connected with the first end (11);
the elastic piece (2), the elastic piece (2) is located in the conducting piece (1), and two ends of the elastic piece (2) are respectively abutted to the first end (11) and the second end (12).
2. The connection according to claim 1, wherein,
the conducting piece (1) further comprises a first connecting part (13), and the first end (11) and the second end (12) are connected through the bendable first connecting part (13).
3. The connection structure according to claim 2, wherein,
at least one of the first end (11) and the second end (12) is in a circular ring structure;
the first connecting portions (13) are provided in plurality, and the plurality of first connecting portions (13) are provided along the circumferential direction of the circular structure.
4. A connection according to claim 2 or 3, wherein,
the first connecting part (13) is of an arc-shaped structure.
5. The connection according to claim 1, wherein,
the second end (12) is bent near the first end (11) to form a limit groove (14);
still include locating part (3), locating part (3) include second connecting portion (31) and be located first spacing portion (32) and second spacing portion (33) at second connecting portion (31) both ends, first spacing portion (32) butt is kept away from the wall of metal connecting piece (6) in circuit board (5), second spacing portion (33) butt is close to the wall of circuit board (5) in spacing recess (14).
6. The connection structure according to claim 5, wherein,
the first limiting part (32) is provided with a waist-shaped groove (321) to form a first limiting arm (322) and a second limiting arm (323) which are arranged at intervals, and the first limiting arm (322) and the second limiting arm (323) are close to each other under the action of external force.
7. A connection according to claim 2 or 3, wherein,
the elastic piece (2) is a spring.
8. A connection according to claim 2 or 3, wherein,
the conducting piece (1) is made of beryllium copper.
9. A grounding device, comprising:
the shell (4) is internally provided with an installation cavity;
a connection structure as claimed in any one of claims 1 to 8, the connection structure being mounted within the mounting cavity;
the circuit board (5) is arranged in the mounting cavity body;
and the metal connecting piece (6), wherein the metal connecting piece (6) is arranged inside the shell (4) and is communicated with the circuit board (5) through the conducting piece (1).
10. A grounding device as in claim 9, wherein,
the circuit board (5) comprises a body (51) and a through hole penetrating through the body (51);
the first limiting arm (322) and the second limiting arm (323) penetrate through the through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321740620.XU CN220253512U (en) | 2023-07-04 | 2023-07-04 | Connection structure and have its earthing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321740620.XU CN220253512U (en) | 2023-07-04 | 2023-07-04 | Connection structure and have its earthing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220253512U true CN220253512U (en) | 2023-12-26 |
Family
ID=89268292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321740620.XU Active CN220253512U (en) | 2023-07-04 | 2023-07-04 | Connection structure and have its earthing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220253512U (en) |
-
2023
- 2023-07-04 CN CN202321740620.XU patent/CN220253512U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |