Connector with high-speed shielding structure

Abstract

The utility model discloses a connector with a high-speed shielding structure, which belongs to the technical field of connectors and comprises a protective mounting part, grounding terminal bodies are uniformly mounted in the protective mounting part, and a signal terminal body is arranged on the protective mounting part between two adjacent groups of grounding terminal bodies; the two sides of the grounding terminal main body are provided with first clamping arms. According to the utility model, the grounding sheet is provided with a plurality of groups of first clamping arms which are tightly attached to the grounding terminal main body, and the shielding housing is provided with a plurality of groups of second clamping arms which are tightly attached to the grounding sheet, so that short circuit between the grounding terminal main body and the grounding sheet is realized, and short circuit between the shielding housing and the grounding sheet is realized. Therefore, full contact conduction among the grounding terminal main body, the grounding sheet and the shielding shell is realized, interference of crosstalk resonance is fully reduced, reflow soldering of a connecting arm between the shielding shell and the grounding terminal main body is not needed, and influence on high-frequency performance caused by easy disconnection is avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to connector technical field, concretely is a kind of connector of high-speed shielding structure. BACKGROUND

[0002] Connector is very common in modern daily life and production process, is widely used in various electrical and network equipment, and high-speed connector is one of them, which is usually composed of multiple connection points and shell parts.

[0003] The existing high-speed connector when using, its adjacent terminal distance is too close and causes electromagnetic wave and echo interference when high-frequency signal transmission, for high-speed connector, in many signal integrity problems, especially the problem of echo interference is most serious, this phenomenon is called echo resonance, currently, ground terminal and ground sheet are generally used to contact and conduct, to reduce echo resonance between signal terminals, but the above-mentioned mode can only reduce a part of echo resonance, and the effect is limited, or shielding shell and ground terminal are contacted and conducted, to reduce echo resonance between signal terminals, but the shielding shell has a shaped force arm to contact the ground terminal, but the contact force arm of shielding shell and ground terminal are easy to break during reflow soldering, thereby affecting its high-frequency performance. SUMMARY

[0004] In order to overcome the above-mentioned defects, the utility model provides a kind of connector of high-speed shielding structure, solve the problem that the existing high-speed connector contact and conduct mode is not comprehensive enough to cause echo resonance effect limited and contact force arm and ground terminal are easy to break during reflow soldering.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of connector of high-speed shielding structure, including protective installation part, the inside of protective installation part is uniformly equipped with ground terminal main body, and signal terminal main body is arranged on the protective installation part between adjacent two groups of ground terminal main body;

[0006] The two sides of the ground terminal main body are provided with first clamping arm, and the end of first clamping arm 4 away from ground terminal is equipped with ground sheet;

[0007] The two ends of the ground sheet are provided with three groups of second clamping arms, and the end of second clamping arm away from ground terminal is equipped with shielding shell.

[0008] As a further scheme of the utility model: the two sides in the inside of protective installation part are equipped with fixed foot, and protective installation part is plastic material.

[0009] As a further solution of the present invention: the shape of the ground terminal body is the same as that of the signal terminal body, and the number of signal terminal bodies between two adjacent groups of ground terminal bodies is 2 groups, and the number of ground terminal bodies is 10 groups.

[0010] As a further solution of the present invention: the first clamping arm is tightly fitted with the grounding terminal body, the number of the first clamping arms is the same as the number of the grounding terminal body, and the first clamping arm and the grounding plate are integrally manufactured.

[0011] As a further solution of the present invention: the second clamping arms are in close contact with the grounding sheet, and the number of the second clamping arms is three groups.

[0012] As a further solution of the present invention: a weight-reducing hole is opened on the top of the shielding shell, and the shielding shell and the second clamping arm are made in one piece.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] By providing multiple groups of first clamping arms that fit tightly with the grounding terminal body on the grounding plate, and providing multiple groups of second clamping arms that fit tightly with the grounding plate on the shielding shell, a short circuit is achieved between the grounding terminal body and the grounding plate, and a short circuit is achieved between the shielding shell and the grounding plate, thereby achieving full contact and conduction between the grounding terminal body, the grounding plate and the shielding shell, and fully reducing the interference of crosstalk resonance. At the same time, there is no need to reflow soldering the connecting arms between the shielding shell and the grounding terminal body, so as to avoid easy disconnection that affects high-frequency performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0016] Figure 2 It is a rear view structural diagram of the utility model;

[0017] Figure 3 This is a schematic diagram of the top view of the structure of the utility model;

[0018] Figure 4 This is a schematic diagram of the main structure of the grounding terminal body of the utility model;

[0019] Figure 5 This utility model Figure 4 A schematic diagram of the enlarged structure at point A;

[0020] Figure 6 This is a schematic diagram of the main structure of the grounding plate of the utility model;

[0021] Figure 7 It is a schematic diagram of the main structure of the shielding shell of the utility model.

[0022] In the figure: 1, the protection installation part; 2, ground terminal body; 3, signal terminal body; 4, first clamping arm; 5, ground sheet; 6, second clamping arm; 7, shielding shell. DETAILED DESCRIPTION

[0023] The technical scheme of the patent will be further described in detail in combination with specific embodiments.

[0024] As Figures 1-7 shown, the utility model provides a technical scheme:

[0025] A kind of connector of high-speed shielding structure, including protection installation part 1, both sides in protection installation part 1 are installed with fixed foot, and protection installation part 1 is plastic material, protection installation part 1 is same with existing similar protection part, not repeated here again;

[0026] Ground terminal body 2 is uniformly installed in the inside of protection installation part 1, and signal terminal body 3 is provided on the protection installation part 1 between adjacent two groups of ground terminal body 2, the shape of ground terminal body 2 is same with the shape of signal terminal body 3, and the number of signal terminal body 3 between adjacent two groups of ground terminal body 2 is 2 groups, and the number of ground terminal body 2 is 10 groups, the distance between ground terminal body 2 and signal terminal body 3 and between adjacent two groups of signal terminal body 3 remains same;

[0027] First clamping arm 4 is provided on the both sides of ground terminal body 2, and ground sheet 5 is installed on the end of first clamping arm 4 away from ground terminal 2, first clamping arm 4 keeps close contact with ground terminal body 2, and the number of first clamping arm 4 is same with ground terminal body 2, and first clamping arm 4 and ground sheet 5 are integrally made, guarantee the connecting strength between first clamping arm 4 and ground sheet 5 when using, there is certain pre-tightening force between first clamping arm 4 and ground terminal body 2, so that first clamping arm 4 can be firmly clamped on the outer side wall of ground terminal body 2, to make first clamping arm 4 and ground terminal body 2 can always keep close contact, and the end of first clamping arm 4 bottom is arc-shaped, to facilitate inserting first clamping arm 4 into the outer side wall of ground terminal body 2;

[0028] Three groups of second clamping arms 6 are provided on the end of ground sheet 5 close to ground terminal, and shielding shell 7 is installed on the end of second clamping arm 6 away from ground terminal 2, second clamping arm 6 keeps close contact with ground sheet 5, and the number of second clamping arm 6 is 3 groups, and for the same reason as above, there is certain pre-tightening force between second clamping arm 6 and ground sheet 5, so that second clamping arm 6 can be firmly clamped on the outer wall of ground sheet 5, the end of second clamping arm 6 top is arc-shaped, to facilitate inserting second clamping arm 6 into the outer wall of ground sheet 5;

[0029] The top of the shielding shell 7 is provided with a lightening hole, and the shielding shell 7 is integrally made with the second clamping arm 6, so that the weight and material cost of the shielding shell 7 are reduced on the basis of ensuring the strength of the shielding shell 7 and the connecting strength between the shielding shell 7 and the second clamping arm 6.

[0030] The working principle of the utility model is: the device is installed on corresponding electrical equipment or network and electrically connected, in use, the device is connected and used through the matched connecting part, in use, the ground terminal body 2 and the grounding sheet 5 are short-circuited, the shielding shell 7 and the grounding sheet 5 are short-circuited, so that the ground terminal body 2, the grounding sheet 5 and the shielding shell 7 are fully contacted and conducted, and the interference of the cross talk resonance between the signal terminal bodies 3 is greatly reduced.

[0031] The above has made the detailed explanation to the preferred embodiment of the patent, but the patent is not limited to the above-mentioned embodiment, and various changes can be made within the knowledge range of the ordinary skill in the art without departing from the purpose of the patent.

Claims

1. A high-speed shielded structure connector comprising a shield mounting portion (1), characterized in that: a ground terminal body (2) is uniformly mounted inside the shield mounting portion (1), and a signal terminal body (3) is arranged on the shield mounting portion (1) between two adjacent groups of ground terminal bodies (2); a first clamping arm (4) is arranged on both sides of the ground terminal body (2), and a ground sheet (5) is mounted on the end of the first clamping arm (4) away from the ground terminal body (2); three groups of second clamping arms (6) are arranged on the end of the ground sheet (5) close to the ground terminal, and a shield shell (7) is mounted on the end of the second clamping arm (6) away from the ground terminal body (2).

2. A high speed shielded structure connector according to claim 1, wherein, Fixed feet are mounted on both sides of the inside of the shield mounting portion (1), and the shield mounting portion (1) is made of plastic.

3. A high speed shielded structure connector according to claim 1, wherein, The ground terminal body (2) has the same shape as the signal terminal body (3), the number of signal terminal bodies (3) between two adjacent groups of ground terminal bodies (2) is 2 groups, and the number of ground terminal bodies (2) is 10 groups.

4. The high speed shielded structure connector of claim 1, wherein, The first clamping arm (4) closely adheres to the ground terminal body (2), the number of first clamping arms (4) is the same as that of ground terminal bodies (2), and the first clamping arm (4) and the ground sheet (5) are integrally made.

5. A high speed shielded structure connector according to claim 1, wherein, The second clamping arm (6) closely adheres to the ground sheet (5), and the number of second clamping arms (6) is 3 groups.

6. A high speed shielded structure connector according to claim 1, wherein, The shield shell (7) is integrally made with the second clamping arm (6).

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