CN219760063U - Interface structure - Google Patents

Abstract

The utility model discloses an interface structure, and aims to solve the technical problems that in the prior art, different types of dies are required to be used, the assembly is required to be positioned due to the complex structure, and the steps are complicated. The connecting device comprises an outer shell, an inner shell and a connecting unit, wherein the inner shell is provided with a placing cavity, and the inner wall of the placing cavity is provided with an upper limit groove and a lower limit groove; the connecting unit comprises an upper connecting part and a lower connecting part which are identical in structure and symmetrical in position, wherein the upper connecting part comprises a rubberizing seat and a plurality of metal terminals, the lower connecting part comprises a lower rubberizing seat and a plurality of metal terminals, an upper limiting bulge is arranged on the rubberizing seat, and a lower limiting bulge is arranged on the lower rubberizing seat.

Description

Interface structure

Technical Field

The utility model belongs to the field of product processing, and particularly relates to an interface structure.

Background

In the related art, an interface has functions of charging and transmitting data, and the interface is generally composed of a connection terminal and a housing, and the present interface has the following problems:

1. as shown in fig. 1, the connection terminal includes a first colloid 1', a second colloid 2', a terminal tongue 3' and a supporting block 4', wherein the terminal tongue 3' and the colloid are generally fixed and molded integrally, a positioning column 21' is arranged on the second colloid 2', a positioning hole 11' is arranged in the first colloid 1', and the positioning column 21' is inserted into the positioning hole 11' to fix the first colloid 1' and the second colloid 2', so that the structures of the first colloid 1' and the second colloid 2' are complex, two types of molds are needed for injection molding, and the use cost of the molds is increased;

2. the supporting block 4' is usually placed between the first colloid 1' and the second colloid 2', which can support the moving end during charging to prevent slipping, and the positioning column 21' needs to pass through the supporting block 4' during positioning of the first colloid 1' and the second colloid 2', so that the manufacturing steps are increased, the position of the positioning column 11' needs to be positioned by the through hole 41', the assembly is complicated, the production efficiency is reduced, and the manufacturing cost is indirectly increased.

Disclosure of Invention

(1) Technical problem to be solved

Aiming at the defects of the prior art, the utility model aims to provide an interface structure and solve the technical problems that in the prior art, different types of dies are needed to be used, the assembly is needed to be positioned due to complex structure, and the steps are complicated.

(2) Technical proposal

An interface structure comprises an outer shell, an inner shell and a connecting unit, wherein the inner shell is provided with a placing cavity, and the inner wall of the placing cavity is provided with an upper limit groove and a lower limit groove;

the connecting unit comprises an upper connecting part and a lower connecting part which are identical in structure and symmetrical in position, wherein the upper connecting part comprises a rubberizing seat and a plurality of metal terminals, the lower connecting part comprises a lower rubberizing seat and a plurality of metal terminals, an upper limiting bulge is arranged on the rubberizing seat, and a lower limiting bulge is arranged on the lower rubberizing seat.

Further, an upper guide surface is arranged on the upper limit groove, an upper inclined inlet surface is arranged on the upper limit protrusion, a lower guide surface is arranged on the lower limit groove, and a lower inclined inlet surface is arranged on the lower limit protrusion.

Further, the upper U-shaped groove is formed in the upper rubber seat, the lower U-shaped groove is formed in the lower rubber seat, a containing cavity is formed in the outer shell, and an upper clamping block and a lower clamping block are arranged in the containing cavity.

Further, an upper cambered surface is arranged on the upper U-shaped groove, an upper chamfer corresponding to the upper cambered surface is arranged on the upper clamping block, a lower cambered surface is arranged on the lower U-shaped groove, and a lower chamfer corresponding to the lower cambered surface is arranged on the lower clamping block.

Further, a stopping plate is arranged between the upper connecting portion and the lower connecting portion, elastic stopping arms with the number of 2 are arranged on the stopping plate, and clamping blocks are arranged on the elastic stopping arms.

Further, the inner wall of the placing cavity is provided with avoidance holes with the number of 2.

Further, the stopping plates are provided with 2 fixing grooves, and fixing plates corresponding to the fixing grooves in position and corresponding to the fixing grooves in size are arranged in the placing cavity.

Further, the placing cavity is provided with elastic pieces with the number of 2, and the elastic pieces are provided with at least one elastic arm.

(3) Advantageous effects

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the glue feeding seat and the glue discharging seat of the connecting unit are identical in structure and symmetrical in position, so that the use of the types of dies is reduced, the structure and the processing technology of the connecting unit are simplified, the production period is saved, and the production cost is reduced; through setting up spacing groove, lower spacing groove and fixed plate to the spacing effect of connecting unit in placing the chamber, prevent that connecting unit from taking place to rock in placing the intracavity, guarantee with the stability of inner shell, take place the slippage, the use is stable, rubberizing seat and lower gluey seat improve simultaneously with assembly efficiency, accuracy and the stability of shell body.

Drawings

Fig. 1: explosion diagrams of prior art connection terminals.

Fig. 2: the first three-dimensional structure diagram of the utility model.

Fig. 3: the second three-dimensional structure diagram of the utility model.

Fig. 4: explosion diagram of the interface of the present utility model.

Fig. 5: the utility model is an enlarged view of section a of fig. 4.

Fig. 6: the utility model relates to a three-dimensional structure diagram of a rubberizing seat and a rubberizing seat.

Fig. 7: a top view of the interface of the present utility model.

Fig. 8: the utility model is shown in phantom in fig. 7.

Fig. 9: the elastic sheet of the present utility model is a front view which is vertically symmetrical.

Fig. 10: a front view of the interface of the present utility model.

Fig. 11: the utility model is a cross-sectional view of the dashed line of fig. 10.

The components in the drawings are marked as follows: 1' -colloid one; 11' -positioning holes; 2' -colloid II; 21' -positioning columns; 3' -terminal tongue piece; 4' -abutting blocks; 41' -through holes; 1-an outer shell; 11-a receiving cavity; 12-upper clamping blocks; 121-upper chamfering; 13-a lower clamping block; 131-chamfering; 2-an inner housing; 21-placing the cavity; 211-an upper limit groove; 212-a lower limit groove; 213-upper guide surface; 214-lower guide surface; 215-a fixed plate; 216-avoidance space; 3-a connection unit; 31-an upper connection; 311, sizing seats; 312-upper limit protrusions; 313-upper inclined plane; 314-upper U-shaped groove; 315-upper cambered surface; 32-a lower connection; 321-a glue discharging seat; 322-lower limit bump; 323-downward sloping surface; 324-lower U-shaped groove; 325-lower cambered surface; 33-metal terminals; 4-a stop plate; 41-elastic abutment arm; 43-clamping blocks; 44-a fixed groove; 5-shrapnel; 51-elastic arms.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model,

please refer to fig. 2-11;

fig. 2 to 5 show an interface structure of this embodiment, including an outer shell 1, an inner shell 2 and a connection unit 3, a placing cavity 21 is provided in the inner shell 2, the connection unit 3 includes an upper connection portion 31 and a lower connection portion 32, the upper connection portion 31 includes an upper rubber seat 311 and a plurality of metal terminals 33, the lower connection portion 32 includes a lower rubber seat 321 and a plurality of metal terminals 33, an upper end surface of an inner wall of a rear end m2 of the placing cavity 21 is provided with at least one upper limit groove 211, a lower end surface is provided with at least one lower limit groove 212, at least one upper limit protrusion 312 is provided on an outer periphery of the upper rubber seat 311, at least one lower limit protrusion 322 is provided on an outer periphery of the lower rubber seat 321, it is to be noted that the upper rubber seat 311 and the lower rubber seat 321 are soft injection molding bodies with the same structure, the whole structure is relatively simple, only one type of mold is needed when injection molding is performed, the type of mold is effectively reduced, the shape of the mold is also simply used, the clamp cost is reduced by the clamp position corresponding to the upper connection portion 31 and the lower limit groove 31, the lower limit groove is more easily aligned with the lower limit groove 31, the lower limit groove is more easily manufactured with the lower limit groove 32, the upper connection groove is more 32, the upper limit groove is more completely corresponds to the upper limit groove 31, and the lower limit groove is more 32 is more easily assembled with the lower limit groove 31, and the lower limit groove is more 32 is more easily assembled with the lower limit groove is formed.

As shown in fig. 6, when the connection unit 3 is assembled into the placement cavity 21 and needs to keep the position relatively stable, no offset occurs, so that the width between the upper limit protrusion 312 and the lower limit protrusion 322 is slightly larger than the width in the left-right direction of the placement cavity 21, so that the interference fit is relatively stable, but the arrangement is easy to cause that the position is not easy to align during assembly, which is time-consuming and labor-consuming, the end of the upper limit groove 211 is provided with the upper guide surface 213, the end of the lower limit groove 212 is provided with the lower guide surface 214, the end of the upper limit protrusion 312, which is close to the placement cavity 21, is also provided with the upper inclined surface 313, and the end of the lower limit protrusion 322, which is close to the placement cavity 21, is provided with the lower inclined surface 323.

Specifically, the number of the upper limit protrusions 312, the upper limit grooves 211, the lower limit protrusions 322 and the lower limit grooves 212 in the present embodiment is 2, and the upper and lower positions correspond to each other, so that the upper limit protrusions, the upper limit grooves 211, the lower limit protrusions 322 and the lower limit grooves 212 can be stably and smoothly inserted into the placement cavity 21 during assembly.

Specifically, an upper U-shaped groove 314 is arranged on the upper glue seat 311, a lower U-shaped groove 324 is arranged on the lower glue seat 321, a containing cavity 11 is arranged in the outer shell 1, an upper clamping block 12 which is used for stopping the upper U-shaped groove 314 is arranged on the upper wall of the containing cavity 11, and a lower clamping block 13 which is used for stopping the lower U-shaped groove 324 is arranged on the lower wall, wherein the upper U-shaped groove 314 and the lower U-shaped groove 324 are equal in size and symmetrical in position, the upper clamping block 12 and the lower clamping block 13 are equal in size and symmetrical in position, the upper clamping block 12 is slightly larger than the upper U-shaped groove 314, when the connecting unit 3 is not placed and assembled, the upper U-shaped groove 314 and the lower U-shaped groove 324 are normal in shape, when the inner shell 2 is placed in the containing cavity 11 after the connecting unit 3 is placed in the placing cavity 21, the upper clamping block 12 is clamped into the upper U-shaped groove 314, the shape of the upper U-shaped groove 314 is slightly deformed by the extrusion of the upper clamping block 12, the whole upper clamping block 12 is wrapped due to the force of inwards recovering deformation of the upper clamping block, meanwhile, the whole lower clamping block 13 is wrapped by the lower U-shaped groove 324, the upper clamping block 12 and the lower clamping block 13 respectively play a limiting role on the upper U-shaped groove 314 and the lower U-shaped groove 324 in the upper and lower positions in the process, the connecting unit 3 is prevented from moving back and forth in the placing cavity 21, the connecting unit 3 in the embodiment can be used for charging mobile equipment such as a mobile phone, when the mobile equipment needs to be charged, the connecting unit 3 is spliced with a plug, and the reliability of connection between the connecting unit 3 and the plug can be improved.

Specifically, be equipped with the cambered surface 315 on going up the U-shaped groove 314, upward be equipped with on the screens piece 12 with last chamfer 121 that the inclination of last cambered surface 315 suits, be equipped with down cambered surface 325 on the U-shaped groove 324 down equally, be equipped with down chamfer 131 that suits with the inclination of lower cambered surface 325 on the screens piece 13 down, during the equipment, the direction of upper chamfer 121 is gone up to the direction of lower cambered surface 325, the direction of lower chamfer 131 makes upward screens piece 12 card go up U-shaped groove 314, down screens piece 13 card go into down the fixed process of U-shaped groove 324 faster and labour saving and time saving, effectively improve whole packaging efficiency.

As shown in fig. 4 and fig. 8-9, an abutment plate 4 is disposed between the upper connection portion 31 and the lower connection portion 32, a number of elastic abutment arms 41 with a shape of 2 are disposed on the abutment plate 4, a clamping block 43 with a shape of arc approaching to semicircle is disposed on the elastic abutment arms 41, a number of avoidance spaces 216 with a shape of 2 are disposed between a front end m1 and a rear end m2 of an inner wall of the placement cavity 21, the avoidance spaces 216 are disposed between the adjacent upper limit groove 211 and the lower limit groove 212, a number of elastic pieces 5 with a number of 2 are disposed on the front end m1 of the placement cavity 21, and elastic arms 51 are disposed on the elastic pieces 5, it is to be noted that in general case, a connection plate (not shown in the drawing) is disposed in a charging port of a mobile device, during charging, by the cooperation of the abutment plates 4 and the elastic pieces 5, the connection plate can be fixed up, down, left, right, and left, positions of the charging port of the mobile device can be prevented from being caused by the slippage in the charging process, that the two elastic abutment arms 41 directly clamp the connection plate in the charging port in the left and right direction, the elastic arms 51 clamp the connection plate in the upper, and lower direction, and the connection plate 51, and the connection plate can be simultaneously clamped by the elastic arms 43, and the connection plate can not be in the same specification as the connection plate but can be clamped by the elastic arms.

As shown in fig. 9-11, two fixing grooves 44 are formed on the stopping plate 4, two fixing plates 215 corresponding to the fixing grooves 44 in position and corresponding in size are arranged in the placing cavity 21, when the stopping plate 4 is placed in the placing cavity 21, the stopping plate 4 can be fixed with the inner shell 2 through the clamping connection between the fixing grooves 44 and the fixing plates 215, the assembling process does not need to position the stopping plate 4 and the upper connecting portion 31 and the lower connecting portion 32, the assembling step is optimized, the assembling efficiency is improved, the whole shape of the elastic arm 51 in the embodiment is a semicircle bent downwards clockwise at a point q1 and then is bent in a V shape to a point q2 along the direction of the front end m1 of the placing cavity 21, the length of the elastic stopping arm 41 can be set longer as required, so that the mechanical fatigue of the elastic arm 51 and the elastic stopping arm 41 in the using process can be reduced, and the service life of the elastic arm 51 and the elastic stopping arm 41 is effectively prolonged.

In general, the glue applying seat 311 and the glue discharging seat 321 are arranged in the same structure and are vertically symmetrical, so that the use of the types of dies is reduced, the structure and the processing technology of the connecting unit 3 are simplified, the production period is saved, and the production cost is reduced; through last spacing groove 211, lower spacing groove 212 and two fixed plates 215 to the spacing effect of connecting unit 3, prevent that connecting unit 3 from taking place to rock in placing chamber 21, guarantee with the stability of inner shell 2, rubberizing seat 311 and lower rubber seat 321 improve assembly efficiency, accuracy and stability with shell 1 simultaneously.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the embodiments of the disclosure may be suitably combined to form other embodiments as will be understood by those skilled in the art.

Claims (8)

1. Interface structure, including shell body (1), interior casing (2) and connecting element (3), its characterized in that:

the inner shell (2) is provided with a placing cavity (21), and an upper limit groove (211) and a lower limit groove (212) are formed in the inner wall of the placing cavity (21);

the connecting unit (3) comprises an upper connecting portion (31) and a lower connecting portion (32) which are identical in structure and symmetrical in position, the upper connecting portion (31) comprises a gluing seat (311) and a plurality of metal terminals (33), the lower connecting portion (32) comprises a lower gluing seat (321) and a plurality of metal terminals (33), an upper limiting protrusion (312) is arranged on the gluing seat (311), and a lower limiting protrusion (322) is arranged on the lower gluing seat (321).

2. An interface structure as claimed in claim 1, wherein: an upper guide surface (213) is arranged on the upper limit groove (211), an upper inclined inlet surface (313) is arranged on the upper limit protrusion (312), a lower guide surface (214) is arranged on the lower limit groove (212), and a lower inclined inlet surface (323) is arranged on the lower limit protrusion (322).

3. An interface structure as claimed in claim 2, wherein: the upper U-shaped groove (314) is formed in the upper rubber seat (311), the lower U-shaped groove (324) is formed in the lower rubber seat (321), the accommodating cavity (11) is formed in the outer shell (1), and the upper clamping block (12) and the lower clamping block (13) are arranged in the accommodating cavity (11).

4. An interface structure according to claim 3, characterized in that: the upper U-shaped groove (314) is provided with an upper arc surface (315), the upper clamping block (12) is provided with an upper chamfer (121) which is matched with the upper arc surface (315), the lower U-shaped groove (324) is provided with a lower arc surface (325), and the lower clamping block (13) is provided with a lower chamfer (131) which is matched with the lower arc surface (325).

5. An interface structure as claimed in claim 4, wherein: an abutting plate (4) is arranged between the upper connecting portion (31) and the lower connecting portion (32), elastic abutting arms (41) with the number of 2 are arranged on the abutting plate (4), and clamping blocks (43) are arranged on the elastic abutting arms (41).

6. An interface structure as claimed in claim 5, wherein: the inner wall of the placing cavity (21) is provided with a number of avoidance holes (216) of 2.

7. An interface structure as claimed in claim 6, wherein: the supporting plate (4) is provided with 2 fixing grooves (44), and the placing cavity (21) is internally provided with fixing plates (215) which correspond to the fixing grooves (44) in position and are adaptive in size.

8. An interface structure as claimed in claim 7, wherein: the placing cavity (21) is provided with elastic pieces (5) with the number of 2, and the elastic pieces (5) are provided with at least one elastic arm (51).