CN214068982U

CN214068982U - A kind of interface unit

Info

Publication number: CN214068982U
Application number: CN202120154246.XU
Authority: CN
Inventors: 练宝文
Original assignee: Dongguan Leader Precision Industry Co Ltd
Current assignee: Dongguan Leader Precision Industry Co Ltd
Priority date: 2021-01-20
Filing date: 2021-01-20
Publication date: 2021-08-27
Anticipated expiration: 2031-01-20

Abstract

The utility model discloses a connector, which belongs to the technical field of signal transmission and comprises a body, wherein the top surface of the body is provided with a glue dispensing groove, and the bottom of the glue dispensing groove is provided with a terminal hole extending to the bottom surface of the body; the elastic terminal comprises a contact part, and the contact part is arranged in the terminal hole in a penetrating way; and the sealant is positioned in the dispensing groove and filled in a gap between the contact part and the terminal hole. The utility model provides a connector when sealed glue receives violent vibrations, because sealed glue and the contact of point groove for point groove can provide the holding power to sealed glue, and then can reduce because of sealed glue takes place to remove and leads to the probability that sealed effect reduces, has improved the effect of sealed body and elastic terminal.

Description

A kind of interface unit

Technical Field

The utility model relates to a signal transmission technical field especially relates to a connector.

Background

At present, electronic equipment usually realizes mutual plugging and conduction between the equipment through a connector, and further realizes the purpose of power-on or signal transmission.

The connector includes the needle hub at least and is fixed in a plurality of elastic terminal on the needle hub, among the prior art, is equipped with the recess on the needle hub, and the tank bottom of recess is equipped with the jack, when installation needle hub and elastic terminal, wears to locate the recess with elastic terminal and inserts the jack to put into the sealing washer and borrow this to reach sealed effect, nevertheless because of in the manufacturing process, the connector can make the sealing washer meet high temperature deformation through high temperature department, and then causes sealed effect not good.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a connector can reduce because of sealed the sealed probability that takes place to remove and lead to sealed effect to reduce, has improved the effect of sealed body of gluing and elastic terminal.

As the conception, the utility model adopts the technical proposal that:

a connector comprises

The dispensing device comprises a body, wherein the top surface of the body is provided with a dispensing groove, and the bottom of the dispensing groove is provided with a terminal hole extending to the bottom surface of the body;

the elastic terminal comprises a contact part, and the contact part is arranged in the terminal hole in a penetrating way;

and the sealant is positioned in the dispensing groove and filled in a gap between the contact part and the terminal hole.

Optionally, the elastic terminal further includes a protrusion circumferentially disposed around the contact portion, and the protrusion is located above the sealant and used for limiting the sealant and the contact portion to move relative to the body.

Optionally, the bottom surface of the boss is planar.

Optionally, the terminal holes and the elastic terminals are respectively provided in a plurality, the plurality of terminal holes correspond to the plurality of elastic terminals one to one, and the contact portions of the elastic terminals are inserted into the corresponding terminal holes.

Optionally, the bottom of the dispensing slot is further provided with a plurality of tapered holes, the tapered holes are communicated with the terminal holes in a one-to-one correspondence manner, small-diameter ends of the tapered holes are in butt joint with the terminal holes corresponding to the small-diameter ends, large-diameter ends of the tapered holes are located at the bottom of the dispensing slot, the contact portions penetrate through the tapered holes and the terminal holes, and the inner walls of the tapered holes can support the sealant.

Optionally, the terminal hole is a cylindrical hole, and the tapered hole is a conical hole.

Optionally, the terminal structure further comprises a plurality of boss assemblies, the boss assemblies are fixed to the inner wall of the glue dispensing groove respectively, and one boss assembly is arranged between every two adjacent terminal holes.

Optionally, the boss assembly includes a first boss fixed to a first sidewall of the glue dispensing slot, and a second boss fixed to a second sidewall of the glue dispensing slot and opposite to the first boss.

Optionally, the terminal hole includes a first hole section, a second hole section, and a third hole section, where the hole diameters of the first hole section, the second hole section, and the third hole section are sequentially increased, and one end of the contact portion includes a first section, a second section, and a third section, where the first section is located in the first hole section, the second section is located in the second hole section, and the third section is located in the third hole section.

Optionally, the sidewall of the second segment is provided with an abutting portion along the circumferential direction of the second segment, and the abutting portion is in interference fit with the second hole segment.

The utility model provides a connector has following beneficial effect at least:

the glue dispensing groove is formed in the top surface of the body, the sealant is placed in the glue dispensing groove, the sealant can seal a gap between the body and the elastic terminal, and the sealant is contacted with the glue dispensing groove when being violently vibrated, so that the glue dispensing groove can provide supporting force for the sealant, the probability of moving the sealant can be reduced, and the effect of sealing the body and the elastic terminal by the sealant is improved.

And, the lateral wall at the contact site sets up the bellying for after filling sealed glue to the glue dispensing slot, sealed glue can be located the below of bellying or with the bellying butt, make the bellying can carry on spacingly to sealed glue on the length direction of contact site, and then when making the connector receive violent vibrations, sealed glue can't remove under the restriction of bellying, and then make the contact site also can't remove, make elastic terminal firmly fixed on the body, the reliability of connector has been improved.

Drawings

Fig. 1 is a schematic structural diagram of a connector according to an embodiment of the present invention;

fig. 2 is a first schematic structural view of the needle holder provided in the embodiment of the present invention;

fig. 3 is a second schematic structural view of the needle holder provided in the embodiment of the present invention;

fig. 4 is a top view of a connector provided by an embodiment of the present invention;

fig. 5 is a cross-sectional view a-a of fig. 4 in accordance with the present invention;

figure 6 is a cross-sectional view B-B of figure 4 in accordance with the present invention;

fig. 7 is a first schematic cross-sectional view of a connector according to an embodiment of the present invention;

fig. 8 is a schematic cross-sectional view of a connector according to an embodiment of the present invention;

fig. 9 is a schematic structural diagram of an elastic terminal according to an embodiment of the present invention.

In the figure:

1. a body; 11. dispensing a glue groove; 12. a terminal hole; 121. a first bore section; 122. a second bore section; 123. a third bore section; 13. a tapered hole; 2. an elastic terminal; 21. a contact portion; 211. a first stage; 212. a second stage; 213. a third stage; 214. an abutting portion; 22. a boss portion; 3. a boss assembly; 31. a first boss; 32. a second boss;

10. and (7) sealing the glue.

Detailed Description

In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the technical solution of the present invention will be further explained by combining the drawings and by means of the specific implementation manner. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements related to the present invention are shown in the drawings.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The embodiment provides a connector, which can reduce the probability of moving of the sealant 10 and improve the effect of sealing the body and the elastic terminal by the sealant.

As shown in fig. 1 to 9, the connector includes a body 1, an elastic terminal 2 and a sealant 10. The top surface of the body 1 is provided with a dispensing slot 11, and the bottom of the dispensing slot 11 is provided with a terminal hole 12 extending to the bottom surface of the body 1. For example, the elastic terminal 2 may be a spring terminal, which is not limited in this embodiment, the elastic terminal 2 includes a contact portion 21, the contact portion 21 is inserted into the terminal hole 12, specifically, a bottom end of the contact portion 21 is inserted into the terminal hole 12, and a middle portion of the contact portion 21 is located in the dispensing slot 11. The sealant 10 is located in the dispensing groove 11 and filled in the gap between the contact portion 21 and the terminal hole 12 to seal the gap between the contact portion 21 and the terminal hole 12, so as to achieve the effect of sealing the gap between the contact portion 21 and the body 1.

The connector that this embodiment provided, through the top surface at body 1 set up point gluey groove 11, and place sealed glue 10 in point gluey groove 11, make sealed glue 10 can seal the space between body 1 and the elastic terminal 2, and when sealed glue 10 received violent vibrations, because sealed glue 10 and point gluey groove 11 contact, make point gluey groove 11 can provide the holding power to sealed glue 10, and then can reduce sealed probability that glue 10 takes place to remove, the effect of sealed glue 10 sealed body and elastic terminal has been improved.

Further, as shown in fig. 1, the elastic terminal 2 further includes a protruding portion 22 disposed around the circumference of the contact portion 21, the protruding portion 22 extends in a direction perpendicular to the contact portion 21, and the protruding portion 22 is located above the sealant 10 and is used for limiting the movement of the sealant 10 and the contact portion 21 relative to the body 1. At this time, the protruding portion 22 is arranged on the side wall of the contact portion 21, so that after the sealant 10 is filled in the dispensing groove 11, the sealant 10 can be located below the protruding portion 22 (as shown in fig. 7) or abut against the protruding portion 22 (as shown in fig. 8), so that the protruding portion 22 can limit the sealant 10 in the length direction of the contact portion 21, and further when the connector is severely vibrated, the sealant 10 cannot move under the limitation of the protruding portion 22, and further the contact portion 21 cannot move, so that the elastic terminal 2 can be firmly fixed on the body 1, and the reliability of the connector is improved. Alternatively, in the present embodiment, the contact portion 21 and the protrusion portion 22 are of an integral structure, that is, the contact portion 21 and the protrusion portion 22 can be formed in a single manufacturing process.

In this embodiment, referring to fig. 6, the bottom surface of the protrusion 22 is a plane to prevent the uncured sealant 20 from climbing on the protrusion 22. For example, the top surface of the protrusion 22 is an inclined surface, so that the connection area between the protrusion 22 and the contact portion 21 can be increased, and the connection strength between the protrusion 22 and the contact portion 21 can be improved.

Optionally, referring to fig. 1, the terminal holes 12 and the elastic terminals 2 are respectively provided in plural numbers, the terminal holes 12 are all disposed at the bottom of the dispensing slot 11, the terminal holes 12 correspond to the elastic terminals 2 one by one, and the contact portion 21 of each elastic terminal 2 is inserted into the corresponding terminal hole 12. Illustratively, the connector in the present embodiment includes 11 elastic terminals 2, and the connector can be applied to signal transmission of a television set.

Further, as shown in fig. 3, a plurality of tapered holes 13 are further provided at the bottom of the dispensing slot 11, wherein the tapered holes 13 are a hole structure having a tapered cross section in the depth direction of the dispensing slot 11. The plurality of tapered holes 13 are communicated with the plurality of terminal holes 12 in a one-to-one correspondence manner, small-diameter ends of the tapered holes 13 are butted with the corresponding terminal holes 12, and large-diameter ends of the tapered holes 13 are located at the bottoms of the dispensing grooves 11, in this case, the upper ends of the terminal holes 12 are not directly butted with the bottoms of the dispensing grooves 11, but directly butted with the tapered holes 13. The contact part 21 penetrates through the tapered hole 13 and the terminal hole 12, the inner wall of the tapered hole 13 can support the sealant 10, the extrusion force pointing to the contact part 21 can be provided for the sealant 10, the bonding firmness of the sealant 10 and the contact part 21 is improved, and the reliability and the firmness of the elastic terminal 2 fixed on the body 1 are improved. Moreover, the arrangement of the tapered hole 13 increases the contact area between the body 1 and the sealant 10, and improves the bonding firmness between the sealant 10 and the body 1.

Optionally, as shown in fig. 6, the size of the tapered hole 13 in the width direction of the body 1 may be equal to the size of the dispensing slot 11 in the width direction of the body 1, at this time, the end of the sealant 10 only contacts with the inner wall of the tapered hole 13, and does not need to contact with the slot wall of the dispensing slot 11, so that on the basis of reaching the sealing body 1 and the contact portion 21, the usage amount of the sealant 10 can be reduced, the cost is reduced, and the waste of the sealant 10 is also avoided.

For example, the contact portion 21 in the present embodiment may be cylindrical, and the terminal hole 12 is a cylindrical hole, and the tapered hole 13 is a conical hole, so that the shape of the terminal hole 12 and the shape of the tapered hole 13 can better fit the contact portion 21, thereby reducing the waste of the sealant 10.

In this embodiment, referring to fig. 2 and 3, the connector further includes a plurality of boss assemblies 3, the plurality of boss assemblies 3 are respectively fixed to an inner wall of the dispensing slot 11, specifically, the boss assemblies 3 may be fixed to a side wall and a bottom wall of the dispensing slot 11, and when the terminal holes 12 are provided in plurality, one boss assembly 3 is provided between two adjacent terminal holes 12 or two adjacent tapered holes 13. The boss component 3 is used for separating the sealant 10 that is liquid after the point is glued, and the sealant 10 of being convenient for stops in the bell mouth 13 to through setting up the boss component 3, make the sealant 10 receive high temperature can not take place to warp toasting or surface mounting in-process, guaranteed the sealed effect of body 1 with elastic terminal 2 of 10 of sealant.

Further, as shown in fig. 3, the boss assembly 3 includes a first boss 31 fixed to a first sidewall of the dispensing slot 11, and a second boss 32 fixed to a second sidewall of the dispensing slot 11 and opposite to the first boss 31, that is, the first boss 31 and the second boss 32 are disposed opposite to each other. Alternatively, as shown in fig. 3, there may be a gap between the first boss 31 and the second boss 32, or the first boss 31 and the second boss 32 may also abut. For example, the cross-sectional shapes of the first boss 31 and the second boss 32 may be a triangle, a trapezoid, a square, etc., which is not limited in this embodiment.

Alternatively, as shown in fig. 6, the terminal hole 12 may include a first hole section 121, a second hole section 122, and a third hole section 123 having sequentially increasing hole diameters. Also, as shown in fig. 9, one end of the contact part 21 includes a first section 211, a second section 212, and a third section 213, the first section 211 being located in the first hole section 121, the second section 212 being located in the second hole section 122, and the third section 213 being located in the third hole section 123.

Further, the sidewall of the second section 212 is provided with an abutting portion 214 along the circumferential direction of the second section 212, and the abutting portion 214 is in interference fit with the second hole section 122. Alternatively, the cross-sectional diameter of the abutment 214 may be tapered. The abutting portion 214 can enhance the matching effect between the second section 212 and the second hole section 122, and further reduce the probability of the elastic terminal 2 loosening and poor contact when the body 1 is subjected to severe vibration.

The above embodiments have been described only the basic principles and features of the present invention, and the present invention is not limited by the above embodiments, and is not departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A connector is characterized by comprising

The glue dispensing device comprises a body (1), wherein a glue dispensing groove (11) is formed in the top surface of the body (1), and a terminal hole (12) extending to the bottom surface of the body (1) is formed in the groove bottom of the glue dispensing groove (11);

an elastic terminal (2) including a contact portion (21), the contact portion (21) being inserted into the terminal hole (12);

the sealant (10) is positioned in the dispensing groove (11) and filled in a gap between the contact part (21) and the terminal hole (12).

2. The connector of claim 1, wherein the resilient terminal (2) further comprises a protrusion (22) circumferentially disposed around the contact portion (21), the protrusion (22) being located above the sealant (10) and adapted to limit movement of the sealant (10) and the contact portion (21) relative to the body (1).

3. A connector according to claim 2, wherein the bottom surface of the boss (22) is planar.

4. The connector according to claim 2 or 3, wherein the terminal holes (12) and the elastic terminals (2) are respectively provided in plural numbers, the plural terminal holes (12) correspond to the plural elastic terminals (2) one by one, and the contact portions (21) of the elastic terminals (2) are inserted into the corresponding terminal holes (12).

5. The connector of claim 4, wherein a plurality of tapered holes (13) are further provided at the bottom of the dispensing slot (11), the tapered holes (13) communicate with the terminal holes (12) in a one-to-one correspondence, the small diameter ends of the tapered holes (13) are butted with the corresponding terminal holes (12), the large diameter ends of the tapered holes (13) are located at the bottom of the dispensing slot (11), the contact portions (21) are inserted into the tapered holes (13) and the terminal holes (12), and the inner walls of the tapered holes (13) can support the sealant (10).

6. Connector according to claim 5, characterized in that the terminal hole (12) is a cylindrical hole and the conical hole (13) is a conical hole.

7. The connector according to claim 4, further comprising a plurality of boss members (3), wherein the plurality of boss members (3) are respectively fixed to the inner wall of the dispensing slot (11), and one boss member (3) is provided between two adjacent terminal holes (12).

8. Connector according to claim 7, characterized in that the boss assembly (3) comprises a first boss (31) fixed to a first side wall of the glue dispensing slot (11), and a second boss (32) fixed to a second side wall of the glue dispensing slot (11) and opposite to the first boss (31).

9. The connector according to claim 1, wherein the terminal hole (12) includes a first hole section (121), a second hole section (122), and a third hole section (123) having sequentially increasing hole diameters, and one end of the contact portion (21) includes a first section (211), a second section (212), and a third section (213), the first section (211) being located in the first hole section (121), the second section (212) being located in the second hole section (122), and the third section (213) being located in the third hole section (123).

10. The connector of claim 9, wherein the sidewall of the second section (212) is provided with an abutment (214) along a circumference of the second section (212), the abutment (214) being an interference fit with the second bore section (122).