CN217405763U - Coaxial switch connector - Google Patents
Coaxial switch connector Download PDFInfo
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- CN217405763U CN217405763U CN202221014980.7U CN202221014980U CN217405763U CN 217405763 U CN217405763 U CN 217405763U CN 202221014980 U CN202221014980 U CN 202221014980U CN 217405763 U CN217405763 U CN 217405763U
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- contact part
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- switch connector
- coaxial switch
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Abstract
The utility model discloses a coaxial switch connector, including plastic base, elastic terminal, fixed terminal and shielding shell. The elastic terminal comprises a first welding fixing part, a connecting plate, an elastic arm, a first contact part and a second contact part, the first contact part and the second contact part are connected together through a connecting arm, and the elastic arm is located between the first contact part and the second contact part and exposed below the through hole structure of the plastic base. The fixed terminal comprises a fixed contact plate and a second welding fixed part, when the elastic arm is in a natural state, the first contact part and the second contact part are respectively in electric contact with the fixed contact plate, and when the elastic arm is in a pressing state, the first contact part and the second contact part are respectively disconnected with the fixed contact plate. Compared with the prior art, the electromagnetic shielding device has excellent electromagnetic shielding performance, high testing accuracy and small size, and can be applied to electronic products with high shielding requirements.
Description
Technical Field
The utility model relates to an electric connector technical field especially relates to a coaxial switch connector.
Background
With the coming of the 5G era, people increasingly demand various electronic devices such as smart homes, mobile phones and notebook computers, the functions of the electronic devices are more and more, the requirements on the transmission speed and the processing speed of data information are faster and faster, and more electronic components are stacked on a mainboard. When testing high frequency signal transmission data, often receive the signal interference electricity of other components and parts, and easy emergence misdetection.
Therefore, a small-sized fully shielded coaxial switch connector with high test accuracy is needed.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides a coaxial switch connector, has splendid electromagnetic shield performance, and the test accuracy is high, and the size is little, can be applied to among the electronic product of high shielding requirement.
In order to realize the purpose, the utility model discloses the technical scheme who takes is:
the utility model provides a coaxial switch connector, includes the plastic base, sets up elastic terminal and fixed terminal in the plastic base inner chamber to and the cover is established the shielding case in the plastic base outside, wherein:
the plastic base comprises a through hole structure which is connected with the butting connector in a matching way, and the through hole structure is communicated with the inner cavity;
the elastic terminal comprises a first welding fixing part, a connecting plate, an elastic arm connected with the connecting plate, a first contact part and a second contact part, the elastic arm is positioned between the first contact part and the second contact part and is exposed under the through hole structure, and one sides of the first contact part and the second contact part, which are far away from the connecting plate, are connected together through a connecting arm;
the fixed terminal comprises a fixed contact plate and a second welding fixed part;
when the elastic arm is in a natural state, the first contact part and the second contact part are respectively electrically connected with the fixed contact plate; when the elastic arm is in a pressed state, the first contact portion and the second contact portion are disconnected from the fixed contact plate, respectively.
Preferably, the plastic base comprises a base body and a barrel body positioned on the base body, the through hole structure is arranged in the barrel body, and the inner cavity is arranged in the base body.
Preferably, the lateral wall outside of barrel is equipped with protruding structure or groove structure to improve the assembly strength of plastic base with the shielding shell.
Preferably, the outer side of the side wall of the base body is provided with a protruding structure or a groove structure, so that the assembly strength of the plastic base and the shielding shell is improved.
Preferably, the base body is provided with a first mounting groove and a second mounting groove on two opposite side walls, the first mounting groove and the second mounting groove are communicated with the inner cavity, the elastic terminal is mounted in the first mounting groove, and the fixed terminal is mounted in the second mounting groove.
Preferably, the terminal further comprises a first baffle and a second baffle, the first baffle is matched and connected with the first mounting groove to fix the elastic terminal, and the second baffle is matched and connected with the second mounting groove to fix the fixed terminal.
Preferably, the elastic terminal further comprises a first bending portion, the first bending portion is perpendicular to the first welding fixing portion, and the connecting plate and the first welding fixing portion are located on the same side of the first bending portion.
Preferably, the fixed terminal further includes a second bending portion, the second bending portion is perpendicular to the second welding fixing portion, and the fixed contact plate and the second welding fixing portion are located on the same side of the second bending portion.
Preferably, the first contact portion includes a first contact protrusion, the second contact portion includes a second contact protrusion, and the connection arm is always located at a lower side of the first contact protrusion and the second contact protrusion.
The beneficial effects of the utility model reside in that: the elastic terminal and the fixed terminal are arranged in the inner cavity of the plastic base, and the shielding shell is sleeved outside the plastic base, namely the first welding fixing part and the second welding fixing part are both positioned in the shielding shell, so that the electromagnetic leakage of the elastic terminal and the fixed terminal can be effectively prevented, the full shielding of the coaxial switch connector is realized, and the coaxial switch connector can be applied to electronic products with high shielding requirements; the first contact part and the second contact part in the elastic terminal are connected together through the connecting arm, the first contact part and the second contact part are respectively disconnected from the fixed contact part by applying external force to the elastic arm positioned between the first contact part and the second contact part, the test accuracy is high, and the hidden trouble of poor error test caused by small foreign matters can be effectively reduced; meanwhile, the coaxial switch connector is small in size, and the development requirement of product miniaturization is met.
Drawings
Fig. 1 is a schematic structural diagram of a coaxial switch connector according to an embodiment of the present invention;
fig. 2 is an exploded view of a coaxial switch connector according to an embodiment of the present invention;
fig. 3 is a first schematic sectional view of a coaxial switch connector according to an embodiment of the present invention;
fig. 4 is a second schematic cross-sectional view of a coaxial switch connector according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a plastic base of a coaxial switch connector according to an embodiment of the present invention;
fig. 6 is a schematic structural view of an elastic terminal of a coaxial switch connector according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a fixed terminal of a coaxial switch connector according to an embodiment of the present invention.
Reference numerals: 100. a plastic base; 110. a base body; 111. an inner cavity; 112. a first mounting groove; 113. a second mounting groove; 114. a groove structure; 120. a barrel; 121. a via structure; 122. a raised structure; 130. a first baffle plate; 140. a second baffle; 200. an elastic terminal; 210. a first welding fixing part; 220. a first bending portion; 230. a connecting plate; 240. a resilient arm; 250. a first contact portion; 251. a first contact bump; 260. a second contact portion; 261. a second contact bump; 270. a connecting arm; 300. a fixed terminal; 310. a second welding fixing part; 320. a second bending portion; 330. fixing a contact plate; 400. and a shield case.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be embodied in many other forms different from the embodiments described herein and similar modifications may be made by those skilled in the art without departing from the spirit and scope of the invention and, therefore, the invention is not limited to the embodiments disclosed below.
The embodiment of the application provides a coaxial switch connector, and solves the technical problems that electromagnetic interference is serious and misdetection easily occurs when high-frequency signals are tested to transmit data in the prior art. It should be noted that, in the embodiments of the present application, the upper, upper side or top, top surface refers to the direction of the cylinder in the plastic base relative to the base body, and the opposite direction is lower, lower side or bottom, bottom surface.
As shown in fig. 1 to 7, the embodiment of the present application:
a coaxial switch connector comprises a plastic base 100, an elastic terminal 200 and a fixed terminal 300 which are arranged in an inner cavity 111 of the plastic base 100, and a shielding shell 400 which is sleeved outside the plastic base 100. The plastic base 110 includes a through hole structure 121 connected to a mating connector (not shown), and the through hole structure 121 is communicated with the inner cavity 111.
The elastic terminal 200 includes a first solder-fixing portion 210, an elastic arm 240 connecting the connection plate 230 and the connection plate 230, a first contact portion 250, and a second contact portion 260. The elastic arm 240 is located between the first contact portion 250 and the second contact portion 260 and exposed right below the through hole structure 121, and the sides of the first contact portion 250 and the second contact portion 260 away from the connection plate 230 are connected together by a connection arm 270.
The fixed terminal 300 includes a fixed contact plate 330 and a second solder fixing portion 310, when the elastic arm 240 is in a natural state, the first contact portion 250 and the second contact portion 260 are electrically connected to the fixed contact plate 330, respectively, and at this time, the coaxial switch connector has a transmission function, and a signal can be transmitted from the elastic terminal 200 to the fixed terminal 300; when the elastic arm 240 is in a pressed state, the first contact portion 250 and the second contact portion 260 are respectively disconnected from the fixed contact plate 330, and at this time, the coaxial switch connector has a test function, that is, a test head in the docking connector applies a downward pressure to the elastic arm 240 through the through hole structure 121 to elastically deform the elastic arm, so that the first contact portion 250 and the second contact portion 260 are disconnected from the fixed contact plate 330, and a test signal is transferred from the elastic terminal 200 to the docking connector, thereby implementing a signal test function.
In order to solve the technical problems that electromagnetic interference is serious and misdetection is easy to occur when high-frequency signal transmission data is tested in the prior art, the elastic terminal and the fixed terminal are arranged in the inner cavity of the plastic base, and the shielding shell is sleeved on the outer side of the plastic base, namely the first welding fixed part and the second welding fixed part are both positioned in the shielding shell, so that the electromagnetic leakage of the elastic terminal and the fixed terminal can be effectively prevented, the full shielding of the coaxial switch connector is realized, and the coaxial switch connector can be applied to electronic products with high shielding requirements; the first contact part and the second contact part in the elastic terminal are connected together through the connecting arm, and the first contact part and the second contact part are respectively disconnected from the fixed contact part by applying external force to the elastic arm positioned between the first contact part and the second contact part, so that the test accuracy is high, and the hidden danger of poor error test caused by small foreign matters can be effectively reduced; meanwhile, the coaxial switch connector is small in size, and the development requirement of product miniaturization is met.
Preferably, the plastic base 100 includes a base body 110 and a cylinder 120 located on the base body 110, the through hole structure 121 is disposed in the cylinder 120, and the inner cavity 111 is disposed in the base body 110. Specifically, the outer side of the sidewall of the cylinder 120 is provided with a protrusion structure or a groove structure to improve the assembling strength of the plastic base 100 and the shielding shell 400. Illustratively, as shown in fig. 2, a convex structure 122 is provided on the outer side of the sidewall of the cylinder 120, and the convex structure 122 abuts against the inner wall of the shielding case 400, so as to enhance the bonding strength between the cylinder 120 and the shielding case 400. In another embodiment, a groove structure may be provided on the outer side of the sidewall of the cylinder 120, and a corresponding protrusion structure may be provided on the inner wall of the shielding case 400 to improve the connection strength. More specifically, the outer side of the sidewall of the base body 110 is provided with a protrusion structure or a groove structure to improve the additional assembling strength of the plastic base 100 and the shielding case 400. For example, as shown in fig. 2, the outer sides of the two opposite sidewalls of the base body 110 are provided with groove structures 114, and the inner sides of the sidewalls of the shielding shell 400 are provided with protrusion structures matching with the groove structures, so as to improve the bonding strength between the base body 110 and the shielding shell 400. In another embodiment, a protruding structure may be further disposed on the outer side of the sidewall of the base body 110 to improve the connection strength between the base body and the shielding shell 400, which is not described herein again.
Preferably, a first mounting groove 112 and a second mounting groove 113 communicated with the inner cavity 111 are respectively formed on two opposite side walls of the base body 110, the elastic terminal 200 is mounted in the first mounting groove 112, and the fixed terminal 300 is mounted in the second mounting groove 113. More specifically, the coaxial switch connector further includes a first blocking plate 130 and a second blocking plate 140, the first blocking plate 130 is matched with the first mounting groove 112 to fix the elastic terminal 200, and the second blocking plate 140 is matched with the second mounting groove 113 to fix the fixing terminal 300.
Preferably, the elastic terminal 200 further includes a first bending portion 220, the first bending portion 220 is disposed perpendicular to the first welding fixing portion 210, and the connection plate 230 and the first welding fixing portion 210 are located on the same side of the first bending portion 220, that is, the first welding fixing portion 210 is bent toward an inner wall away from the shielding case 400 and closest to the shielding case, which facilitates short circuit caused by product position deviation, improves stability of service performance of the coaxial switch connector, and is also beneficial to further reducing the size of the product.
Preferably, the fixed terminal 300 further includes a second bending portion 320, the second bending portion 320 is disposed perpendicular to the second welding fixing portion 310, and the fixed contact plate 330 and the second welding fixing portion 310 are located on the same side of the second bending portion 320, that is, the second welding fixing portion 310 is bent toward the inner wall away from the shielding case 400 and closest to the shielding case, which facilitates short circuit caused by position deviation of the product, improves stability of the service performance of the coaxial switch connector, and is also beneficial to further reducing the size of the product.
Preferably, the first contact portion 250 includes a first contact protrusion 251, the second contact portion 260 includes a second contact protrusion 261, and the connection arm 270 is always located at a lower side of the first contact protrusion 251 and the second contact protrusion 261, preventing the connection arm 270 from interfering with the fixed contact plate 330, and improving the sensitivity of the coaxial test switch connector.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express the embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (9)
1. The utility model provides a coaxial switch connector, its characterized in that includes the plastic base, sets up elastic terminal and fixed terminal in the plastic base inner chamber to and the cover is established the shielding case in the plastic base outside, wherein:
the plastic base comprises a through hole structure which is connected with the butting connector in a matching way, and the through hole structure is communicated with the inner cavity;
the elastic terminal comprises a first welding fixing part, a connecting plate, an elastic arm connected with the connecting plate, a first contact part and a second contact part, the elastic arm is positioned between the first contact part and the second contact part and is exposed under the through hole structure, and one sides of the first contact part and the second contact part, which are far away from the connecting plate, are connected together through a connecting arm;
the fixed terminal comprises a fixed contact plate and a second welding fixed part;
when the elastic arm is in a natural state, the first contact part and the second contact part are respectively electrically connected with the fixed contact plate; when the elastic arm is in a pressed state, the first contact portion and the second contact portion are disconnected from the fixed contact plate, respectively.
2. The coaxial switch connector of claim 1, wherein: the plastic base comprises a base body and a barrel body located on the base body, the through hole structure is arranged in the barrel body, and the inner cavity is arranged in the base body.
3. The coaxial switch connector of claim 2, wherein: the lateral wall outside of barrel is equipped with protruding structure or groove structure to improve the plastic base with the assembly strength of shielding shell.
4. The coaxial switch connector of claim 2, wherein: the outer side of the side wall of the base body is provided with a protruding structure or a groove structure so as to improve the assembly strength of the plastic base and the shielding shell.
5. The coaxial switch connector of claim 2, wherein: the base body is provided with a first mounting groove and a second mounting groove which are communicated with the inner cavity on two opposite side walls respectively, the elastic terminal is mounted in the first mounting groove, and the fixed terminal is mounted in the second mounting groove.
6. The coaxial switch connector of claim 5, wherein: still include first baffle and second baffle, first baffle with first mounting groove accordant connection is in order to fix the elastic terminal, the second baffle with second mounting groove accordant connection is in order to fix the fixed terminal.
7. The coaxial switch connector of claim 1, wherein: the elastic terminal further comprises a first bending portion, the first bending portion is perpendicular to the first welding fixing portion, and the connecting plate and the first welding fixing portion are located on the same side of the first bending portion.
8. The coaxial switch connector of claim 1, wherein: the fixed terminal further comprises a second bending portion, the second bending portion and the second welding fixing portion are vertically arranged, and the fixed contact plate and the second welding fixing portion are located on the same side of the second bending portion.
9. The coaxial switch connector of claim 1, wherein: the first contact portion includes a first contact protrusion, the second contact portion includes a second contact protrusion, and the connection arm is always located at a lower side of the first contact protrusion and the second contact protrusion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221014980.7U CN217405763U (en) | 2022-04-28 | 2022-04-28 | Coaxial switch connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221014980.7U CN217405763U (en) | 2022-04-28 | 2022-04-28 | Coaxial switch connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217405763U true CN217405763U (en) | 2022-09-09 |
Family
ID=83143127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221014980.7U Active CN217405763U (en) | 2022-04-28 | 2022-04-28 | Coaxial switch connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217405763U (en) |
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2022
- 2022-04-28 CN CN202221014980.7U patent/CN217405763U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |