CN214153343U

CN214153343U - Connector capable of improving assembling stability by adding error-proof structure

Info

Publication number: CN214153343U
Application number: CN202022581281.8U
Authority: CN
Inventors: 周骥
Original assignee: Nanjing Hongcheng Electrical Appliance Co ltd
Current assignee: Nanjing Hongcheng Electrical Appliance Co ltd
Priority date: 2020-11-10
Filing date: 2020-11-10
Publication date: 2021-09-07
Anticipated expiration: 2030-11-10

Abstract

The utility model discloses a connector which improves the assembly stability by adding a mistake-proofing structure, comprising a terminal and a main body sheath, wherein the main body sheath is provided with a plurality of channels for accommodating the terminal; the terminal comprises a contact part, a wire connecting part and a cable fixing part which are sequentially connected into an integral structure; the contact portion for contacting another terminal; the cable fixing part is used for fixing the cable and preventing the cable from falling off; the wire connecting part is used for contacting with a wire in the cable; the terminal and the main body sheath are provided with error-proof structures, and each error-proof structure comprises a guide limiting boss and a guide limiting groove; the guide limiting boss is arranged on the inner wall of the channel, and the guide limiting groove is arranged on the contact part; after the terminal and the main body sheath are assembled, the terminal is located inside the channel, and the guide limiting boss is clamped in the guide limiting groove. When the terminal is inserted backwards, the terminal cannot be fully inserted into the body sheath.

Description

Connector capable of improving assembling stability by adding error-proof structure

Technical Field

The utility model relates to a connector field specifically is a improve connector of assembly stability through increasing mistake proofing structure.

Background

Generally, a connector includes a main body cover for protecting a terminal, and the main body cover is used to insert the terminal connected with a wire harness into the main body cover when the connector is assembled, and to insert the terminal into the cover, the terminal is easily inserted reversely, and after the terminal is inserted reversely, the terminal needs to be removed by a special tool, which takes time and easily causes a loss of the main body cover. When the main part was inserted to the terminal among the prior art, also can push in the opposite direction, directly lead to the product function to be lacked, unable use, because inside the product, whether anti-certain degree of difficulty is equipped with from outward appearance judgement to work load is big, and product quality can't guarantee.

Generally, a clip is provided in a connector housing to fix a terminal in a main body housing and prevent the terminal from being separated from the main body housing, but the clip or other members are separately provided to fix the position of the terminal, which increases the assembly process and the manufacturing cost of the connector.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model discloses aim at provides a through increasing the connector that the mistake proofing structure improves assembly stability to the terminal condition of easily inserting the reversal among the prior art.

The technical scheme is as follows: a connector for improving assembling stability by adding a mistake-proofing structure comprises terminals and a main body sheath, wherein a plurality of channels for accommodating the terminals are arranged on the main body sheath; the terminal comprises a contact part, a wire connecting part and a cable fixing part which are sequentially connected into an integral structure; the contact portion for contacting another terminal; the cable fixing part is used for fixing the cable and preventing the cable from falling off; the wire connecting part is used for contacting with a wire in the cable;

the terminal and the main body sheath are provided with error-proof structures, and each error-proof structure comprises a guide limiting boss and a guide limiting groove; the guide limiting boss is arranged on the inner wall of the channel, and the guide limiting groove is arranged on the contact part; after the terminal and the main body sheath are assembled, the terminal is located inside the channel, and the guide limiting boss is clamped in the guide limiting groove.

Furthermore, the guide limiting boss divides the channel into an upper channel and a lower channel; a clamping hook is arranged on the inner wall of the upper channel, and the clamping hook and the guide limiting boss are respectively positioned on two opposite sides of the inner wall of the upper channel; the contact part is provided with a clamping groove which is positioned on one side of the contact part opposite to the guide limiting groove;

after the terminal and the main body sheath are assembled, the terminal is located inside the channel, the guide limiting boss is clamped in the guide limiting groove, and the clamping hook is clamped in the clamping groove.

Furthermore, the clamping hook is obliquely and upwards arranged on the inner wall of the upper channel.

Further, the aperture of the lower channel is larger than the aperture of the upper channel, and the upper channel is matched with the shape of the contact part.

Further, when the terminal is assembled to the body sheath, the contact portion of the terminal is located in the upper channel, and the wire connection portion and the cable fixing portion are located in the lower channel.

Furthermore, the width of the clamping hook is larger than that of the guiding limit groove on the terminal.

Has the advantages that:

(1) the utility model is provided with an error-proof structure, and the connector sheath structure can effectively prevent the terminal from being inserted reversely, thereby ensuring that a client is inserted by mistake when assembling the terminal; and the manufacturing is easy, and the product stability is good. This mistake proofing structure simple structure is effective, and makes easily, and product stability is good, can have effectively to improve production efficiency, and this structure adds new function under the prerequisite that does not influence former service function, and the terminal can effectively be avoided inserting in the opposite direction in assembly earlier stage or to product structure specific circumstances such as immature.

When the terminal is inserted reversely, the terminal cannot be inserted into the main body sheath completely due to the blocking of the guide limiting boss, so that the process of taking out the terminal after the terminal is inserted completely can be prevented, and the loss of the main body sheath caused by taking out the terminal is prevented.

(2) The utility model discloses a set up draw-in groove and trip, can lock the specific position at the main part sheath with the terminal, reduce and set up cost and the process that checkpost or other parts come the fixed terminal alone.

(3) The aperture of the lower channel is larger than that of the upper channel, and the terminal can be quickly inserted into the channel.

(4) The shape of the contact part is matched with that of the upper channel, so that the contact part of the terminal can be prevented from shaking in the upper channel to influence the use of the connector.

(5) The width of trip is greater than the width of the spacing recess of direction on the terminal, when the terminal reverse insert the main part sheath, cross the spacing boss of direction when inserting the terminal hard, because the width of trip is greater than the width of the spacing recess of direction on the terminal, the terminal also can be supported by the trip, can not get into the main part sheath completely.

Drawings

Fig. 1 is a schematic view of the sheath structure of the present invention;

fig. 2 is a schematic view of a front view structure of the terminal of the present invention;

fig. 3 is a left side view structural diagram of the terminal of the present invention;

FIG. 4 is a schematic sectional view of the channel of the present invention;

fig. 5 is a schematic structural view of the terminal of the present invention when correctly assembled;

fig. 6 is a schematic structural view of the terminal of the present invention when the terminal is reversely mounted and the terminal is pressed by the guiding and limiting boss;

fig. 7 is a schematic structural view of the terminal when the terminal of the utility model is reversely mounted and crosses the guiding limit boss to be supported by the hook.

Reference numbers in the figures: 1. a main body sheath; 2. a terminal; 21. a contact portion; 22. a wire connecting portion; 23. a cable fixing part; 201. a card slot; 202. a guide limit groove; 101. a guide limit boss; 102. a hook is clamped; 3. a cable; 4. a channel; 41. an upper channel; 42. a lower channel.

Detailed Description

The technical solution of the present invention is described in detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the embodiments.

A connector for improving assembly stability by adding a mistake-proofing structure comprises terminals 2 and a main body sheath 1, as shown in figure 1, a plurality of channels 4 for accommodating the terminals 2 are arranged on the main body sheath 1, the terminals 2 and the main body sheath 1 are provided with the mistake-proofing structure, and the mistake-proofing structure comprises a guide limiting boss 101 and a guide limiting groove 202;

as shown in fig. 3 and 4, the terminal 2 includes a contact portion 21, a wire connection portion 22, and a cable fixing portion 23 which are connected in sequence to form an integral structure; the contact portion 21 for contacting the other terminal 2; the cable fixing part 23 is used for fixing the cable 3 and preventing the cable 3 from falling off; the wire connecting part 22 is used for contacting with the wire in the cable 3;

the guide limit groove 202 is arranged on the contact part 21; a clamping groove 201 is formed in the contact part 21, and the clamping groove 201 is located on one side, opposite to the guide limiting groove 202, of the contact part 21;

as shown in fig. 2, the guiding and limiting boss 101 is arranged on the inner wall of the channel 4; the guide limiting boss 101 divides the channel 4 into an upper channel 41 and a lower channel 42; the aperture of the lower channel 42 is larger than that of the upper channel 41; the upper channel 41 matches the shape of the contact; a clamping hook 102 is arranged on the inner wall of the upper channel 41, the clamping hook 102 is obliquely and upwards arranged on the inner wall of the upper channel 41, and the clamping hook 102 and the guide limiting boss 101 are respectively positioned on two opposite sides of the inner wall of the upper channel 41;

the width of the hook 102 is larger than the width of the guiding and limiting groove 202 on the terminal 2.

As shown in fig. 5, during assembly, after the guide limiting groove 202 corresponds to the guide limiting boss 101, the terminal is inserted into the channel 4, after the terminal 2 is assembled with the main body sheath 1, the terminal 2 is located inside the channel 4, the guide limiting boss 101 is clamped in the guide limiting groove 202, and the hook 102 is clamped in the slot 201.

After the terminal 2 is assembled to the body cover 1, the contact portion 21 of the terminal 2 is located in the upper passage 41, and the wire connection portion 22 and the cable fixing portion 23 are located in the lower passage 42.

The utility model discloses be equipped with the mistake proofing structure, when the terminal inserts inversely as shown in fig. 6, the terminal can not insert the main part sheath completely because of blockking of the spacing boss of direction in, can prevent to take out the process that produces after the terminal inserts completely, prevents to take out the main part sheath loss that the terminal caused.

The width of trip is greater than the width of the spacing recess of direction on the terminal, when the terminal reverse insert the main part sheath, cross the spacing boss of direction when inserting the terminal hard, because the width of trip is greater than the width of the spacing recess of direction on the terminal, as shown in figure 7, the terminal also can be supported by the trip, can not get into the main part sheath completely.

The utility model discloses a set up draw-in groove and trip, can lock the specific position at the main part sheath with the terminal, reduce and set up cost and the process that checkpost or other parts come the fixed terminal alone. The aperture of the lower channel is larger than that of the upper channel, and the terminal can be quickly inserted into the channel. The shape of the contact part is matched with that of the upper channel, so that the contact part of the terminal can be prevented from shaking in the upper channel to influence the use of the connector.

As mentioned above, although the present invention has been shown and described with reference to certain preferred embodiments, it should not be construed as limiting the invention itself. Various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A connector which improves assembling stability by adding a mistake-proofing structure, comprising a terminal (2) and a main body cover (1),

the main body sheath (1) is provided with a plurality of channels (4) for accommodating the terminals (2); the terminal (2) comprises a contact part (21), a wire connecting part (22) and a cable fixing part (23) which are sequentially connected into an integral structure; the contact portion (21) for contacting another terminal (2); the cable fixing part (23) is used for fixing the cable (3) and preventing the cable (3) from falling off; the wire connecting part (22) is used for being in contact with a wire in the cable (3);

the terminal (2) and the main body sheath (1) are provided with a mistake-proofing structure, and the mistake-proofing structure comprises a guide limiting boss (101) and a guide limiting groove (202); the guide limiting boss (101) is arranged on the inner wall of the channel (4), and the guide limiting groove (202) is arranged on the contact part (21);

after the terminal (2) and the main body sheath (1) are assembled, the terminal (2) is located inside the channel (4), and the guide limiting boss (101) is clamped in the guide limiting groove (202).

2. The connector for improving assembling stability by adding a mistake proofing structure according to claim 1, wherein the guide limit boss (101) divides the passage (4) into an upper passage (41) and a lower passage (42);

a clamping hook is arranged on the inner wall of the upper channel, and the clamping hook and the guide limiting boss (101) are respectively positioned on two opposite sides of the inner wall of the upper channel (41); a clamping groove (201) is formed in the contact part (21), and the clamping groove (201) is located on one side, opposite to the guide limiting groove (202), of the contact part (21); the clamping hook (102) is clamped in the clamping groove (201).

3. The connector for improving assembling stability by adding a mistake proofing structure according to claim 2, wherein the hook (102) is provided obliquely upward on an inner wall of the upper passage (41).

4. The connector for improving assembling stability by adding a mistake proofing structure according to claim 2, wherein the lower passage (42) has a larger bore diameter than the upper passage (41); the upper channel (41) matches the shape of the contact portion.

5. The connector for improving assembling stability by adding a mistake-proofing structure according to claim 2, wherein the contact portion (21) of the terminal (2) is located in the upper passage (41) and the wire connection portion (22) and the cable fixing portion (23) are located in the lower passage (42) after the terminal (2) is assembled to the body cover (1).

6. The connector for improving assembling stability by adding error proofing according to claim 2, wherein the width of the hook (102) is larger than the width of the guiding and limiting groove (202) on the terminal (2).