Positive and negative charging contact connector

Abstract

The utility model discloses an anode and cathode charging contact connector. The technical key points are as follows: the shell and the contact piece are arranged on the shell, the shell is provided with two accommodating grooves, the groove bottom of each accommodating groove is provided with a through hole, a partition part is arranged between every two adjacent accommodating grooves, the contact piece is divided into an abutting part, a first connecting part and a second connecting part, the abutting part is located between the first connecting part and the second connecting part, and the first connecting part is connected with the second connecting part. The width of the first connecting part and the width of the second connecting part are smaller than the width of the abutting part, the abutting part is located in the containing groove, a first locking groove and a second locking groove are formed in the shell, the first locking groove is communicated with the containing groove, the second locking groove is communicated with the containing groove, the first connecting part is located in the first locking groove, and the second connecting part is located in the second locking groove. The first locking groove is provided with a blocking edge, the side edge of the second abutting groove is provided with an auxiliary groove, the second connecting part is provided with an auxiliary part, the auxiliary part is located in the auxiliary groove, and the novel connector is small in size and high in structural strength.

Description

Technical Field

[0001] The utility model relates to the field of connectors, and more specifically to a positive and negative charging contact connector. Background Art

[0002] Existing charging contact connectors are widely used in various industrial scenarios such as sweeping robots. The current connectors have the following defects: 1. The large size limits the usage scenarios; 2. The small size leads to low structural strength. There is a lack of a technical solution that has both large size and structural strength. Utility Model Content

[0003] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a positive and negative charging contact connector with small size and high structural strength.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a positive and negative charging contact connector, comprising: a shell and a contact piece arranged on the shell, the shell is provided with a receiving groove, the bottom of the receiving groove is provided with a through hole, the receiving groove has two, and there is a partition part between adjacent receiving grooves, the contact piece is divided into a resistance part, a first connecting part and a second connecting part, the resistance part is located between the first connecting part and the second connecting part, the width of the first connecting part and the second connecting part is smaller than the width of the resistance part, the resistance part is located in the receiving groove, the shell is provided with a first locking groove and a second locking groove, the first locking groove is communicated with the receiving groove, the second locking groove is communicated with the receiving groove, the first connecting part is located in the first locking groove, the second connecting part is located in the second locking groove, the first locking groove is provided with a blocking edge, the side of the second locking groove is provided with an auxiliary groove, the second connecting part is provided with an auxiliary part, and the auxiliary part is located in the auxiliary groove.

[0005] As a further improvement of the utility model, a breaking groove is provided on the shell, the breaking groove is communicated with the first locking groove, and part of the first connecting portion is located in the breaking groove.

[0006] As a further improvement of the utility model, a breaking protrusion is provided in the breaking groove, a breaking groove is provided on the first connecting portion, and the breaking protrusion is embedded in the breaking groove.

[0007] As a further improvement of the utility model, a baffle extending inward is provided on the shell, and the baffle isolates the second connecting parts on both sides.

[0008] As a further improvement of the present invention, the baffle is communicated with the second connecting groove, and a reinforcement portion is provided on the baffle, and the reinforcement portion extends toward the second connecting portion.

[0009] As a further improvement of the present invention, the housing is integrally injection molded and fixedly connected to the contact piece.

[0010] The utility model has the beneficial effects of small volume and high structural strength. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 A three-dimensional structural diagram for this practicality;

[0012] Figure 2 It is a schematic diagram of the planar structure of one side of the conflicting part of the utility model;

[0013] Figure 3 is a schematic diagram of the three-dimensional structure of the shell;

[0014] Figure 4 It is a schematic cross-sectional structure diagram of the first locking groove, the second locking groove, and the breaking groove;

[0015] Figure 5 is a schematic cross-sectional structural diagram of the second locking groove and the auxiliary groove;

[0016] Figure 6 It is a schematic diagram of the planar structure of the second connecting part and the auxiliary part.

[0017] Marking description: 1. Shell; 11. Accommodating groove; 12. Through hole; 13. Partitioning part; 14. Breaking groove; 141. Breaking protrusion; 2. Contact piece; 21. First connecting part; 211. Breaking groove; 22. Second connecting part; 221. Auxiliary part; 23. Interference part; 31. First locking groove; 32. Second locking groove; 4. Stop edge; 5. Auxiliary groove; 6. Baffle; 61. Reinforcement part. DETAILED DESCRIPTION

[0018] The present invention will be further described below with reference to the embodiments given in the accompanying drawings.

[0019] Reference Figure 1 one Figure 6As shown, the positive and negative charging contact connector of this embodiment includes: a shell 1 and a contact piece 2 arranged on the shell 1, the shell 1 is provided with a receiving groove 11, the bottom of the receiving groove 11 is provided with a through hole 12, the receiving groove 11 has two, and a partition part 13 is between adjacent receiving grooves 11, the contact piece 2 is divided into a resistance part 23, a first connecting part 21 and a second connecting part 22, the resistance part 23 is located between the first connecting part 21 and the second connecting part 22, the width of the first connecting part 21 and the second connecting part 22 is less than the width of the resistance part 23 The resistance portion 23 is located in the accommodating groove 11, and a first locking groove 31 and a second locking groove 32 are provided in the shell 1. The first locking groove 31 is communicated with the accommodating groove 11, and the second locking groove 32 is communicated with the accommodating groove 11. The first connecting portion 21 is located in the first locking groove 31, and the second connecting portion 22 is located in the second locking groove 32. A retaining edge 4 is provided on the first locking groove 31, and an auxiliary groove 5 is provided on the side of the second locking groove 32. An auxiliary portion 221 is provided on the second connecting portion 22, and the auxiliary portion 221 is located in the auxiliary groove 5.

[0020] Through the above technical solution, the contact part 23 of the contact piece 2 contacts with the external charging contact piece 2 to make an electrical connection. The first connection part 21 and the second connection part 22 are respectively located in the first locking groove 31 and the second locking groove 32, and the position is stable. In addition, the width of the contact part 23 is wide, and the contact surface area is large during charging. The first connection part 21 and the second connection part 22 are narrow, which are filled and compensated by the shell 1. While reducing the volume of the shell 1, the shell 1 has high strength. The first connection part 21 and the second connection part 22 are located on both sides of the contact part 23, and the retaining edge 4 is set in an arc shape, which fits with the first connection part 21. The auxiliary part 221 is located in the auxiliary groove 5, cooperates with the retaining edge 4, and is fixed from both sides. The structural strength is high to prevent the contact piece 2 from loosening.

[0021] As an improved specific implementation, a breaking groove 14 is provided on the housing 1 , the breaking groove 14 is communicated with the first locking groove 31 , and a part of the first connecting portion 21 is located in the breaking groove 14 .

[0022] Through the above technical solution, the breaking groove 14 accommodates the external substrate, the external substrate is connected to the contact piece 2, and is broken after injection molding. Part of the first connecting portion 21 is located in the breaking groove 14, so that the contact area between the first connecting portion 21 and the housing 1 is large and the angle is multi-point, further improving the stability of the position of the contact piece 2, and thus improving the stability during use.

[0023] As an improved specific implementation, a breaking protrusion 141 is provided in the breaking groove 14 , a breaking groove 211 is provided on the first connecting portion 21 , and the breaking protrusion 141 is embedded in the breaking groove 211 .

[0024] Through the above technical solution, the breaking protrusion 141 is formed by injection molding, has a high degree of fit with the breaking groove 211, facilitates the breaking of the contact piece 2, and restricts the position of the first connecting portion 21, further improving the stability of the position of the contact piece 2.

[0025] As a specific implementation of the improvement, a baffle 6 extending inward is provided on the housing 1, and the baffle 6 isolates the second connecting portions 22 on both sides.

[0026] Through the above technical solution, the baffle 6 isolates the second connecting portions 22 corresponding to the positive and negative contact pieces 2 on both sides, avoids the risk of short circuit, and improves the stability during use.

[0027] As a specific implementation of the improvement, the baffle 6 communicates with the second connecting groove, and a strengthening portion 61 is provided on the baffle 6, and the strengthening portion 61 extends toward the second connecting portion 22.

[0028] Through the above technical solution, the strengthening portion 61 improves the structural strength of the baffle 6, and increases the distance between the second connecting portions 22 corresponding to the positive and negative contact pieces 2, avoids the risk of short circuit, and further improves the stability during use.

[0029] As a specific implementation of the improvement, the housing 1 is integrally injection molded and fixedly connected to the contact piece 2.

[0030] Through the above technical solution, the housing 1 is integrally injection molded and fixedly connected to the contact piece 2, further improving the connection strength between the contact piece 2 and the housing 1.

[0031] The above are only the preferred embodiments of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions falling within the idea of the present invention belong to the protection scope of the present invention. It should be noted that for those of ordinary skill in the art, without departing from the principle of the present invention, several improvements and refinements should also be regarded as within the protection scope of the present invention.

Claims

1. A positive and negative charging contact connector, comprising: a housing (1) and a contact sheet (2) arranged on the housing (1), characterized in that: The housing (1) is provided with a receiving groove (11), the bottom of the receiving groove (11) is provided with a through hole (12), the receiving groove (11) has two, and a partition portion (13) is provided between adjacent receiving grooves (11), the contact piece (2) is divided into a contact portion (23), a first connecting portion (21) and a second connecting portion (22), the contact portion (23) is located between the first connecting portion (21) and the second connecting portion (22), the width of the first connecting portion (21) and the second connecting portion (22) is smaller than the width of the contact portion (23), the contact portion (23) is located in the receiving groove (11), the A first locking groove (31) and a second locking groove (32) are provided in the shell (1); the first locking groove (31) is communicated with the accommodating groove (11); the second locking groove (32) is communicated with the accommodating groove (11); the first connecting portion (21) is located in the first locking groove (31); the second connecting portion (22) is located in the second locking groove (32); a stop edge (4) is provided on the first locking groove (31); an auxiliary groove (5) is provided on the side of the second locking groove (32); an auxiliary portion (221) is provided on the second connecting portion (22); and the auxiliary portion (221) is located in the auxiliary groove (5).

2. The positive and negative charging contact connector according to claim 1, characterized in that: The housing (1) is provided with a breaking groove (14), the breaking groove (14) is communicated with the first locking groove (31), and part of the first connecting portion (21) is located in the breaking groove (14).

3. The positive and negative charging contact connector according to claim 2, characterized in that: A breaking protrusion (141) is provided in the breaking groove (14), a breaking recess (211) is provided on the first connecting portion (21), and the breaking protrusion (141) is embedded in the breaking recess (211).

4. The positive and negative charging contact connector according to claim 1, characterized in that: The housing (1) is provided with a baffle (6) extending inwards, and the baffle (6) isolates the second connecting parts (22) on both sides.

5. The positive and negative charging contact connector according to claim 4, characterized in that: The baffle plate (6) is in communication with the second connecting groove, and a reinforcing portion (61) is provided on the baffle plate (6), wherein the reinforcing portion (61) extends toward the second connecting portion (22).

6. The positive and negative charging contact connector according to claim 1, characterized in that: The housing (1) is integrally injection-molded and fixedly connected to the contact sheet (2).

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