CN217468915U - Connector capable of reducing assembly error - Google Patents
Connector capable of reducing assembly error Download PDFInfo
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- CN217468915U CN217468915U CN202220996652.5U CN202220996652U CN217468915U CN 217468915 U CN217468915 U CN 217468915U CN 202220996652 U CN202220996652 U CN 202220996652U CN 217468915 U CN217468915 U CN 217468915U
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- plastic seat
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- 239000004033 plastic Substances 0.000 claims abstract description 87
- 239000003292 glue Substances 0.000 claims description 29
- 238000001746 injection moulding Methods 0.000 claims description 27
- 239000000463 material Substances 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 description 7
- 230000002349 favourable effect Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000005452 bending Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses a connector for reducing assembly error, which comprises a connector main body and a shell sleeved outside the connector main body; the connector main body comprises an upper terminal module, a middle clamping piece and a lower terminal module which are vertically stacked and assembled, the upper terminal module comprises an upper plastic seat and an upper row of terminals, the lower terminal module comprises a lower plastic seat and a lower row of terminals, and the middle clamping piece is provided with a first positioning hole and a second positioning hole which are arranged at a front-back interval; a first positioning column is convexly arranged on the lower side of the upper plastic seat, a second positioning column is convexly arranged on the upper side of the lower plastic seat, a first avoidance concave position larger than the second positioning column is concavely arranged on the lower side of the upper plastic seat, and a second avoidance concave position larger than the first positioning column is concavely arranged on the upper side of the lower plastic seat; the first positioning column is in interference fit in the first positioning hole and extends into the second avoidance concave position, and the second positioning column is in interference fit in the second positioning hole and extends into the first avoidance concave position. Therefore, the middle clamping pieces are used as reference positioning, and two positioning is formed, so that the assembly yield is improved.
Description
Technical Field
The utility model belongs to the technical field of the connector technique and specifically relates to indicate a reduce assembly error's connector.
Background
The connector mainly refers to a plug connector and a socket connector, which are used for transmitting current and/or signals and the like, and a Type-C socket connector is taken as an example, and the Type-C socket connector mainly comprises a connector body and a shell sleeved on the outer side of the connector body.
Generally, the connector main body includes an upper terminal module, a middle clamping piece and a lower terminal module, which are stacked up and down, the upper terminal module includes an upper plastic seat and an upper row of terminals disposed in the upper plastic seat, and the upper terminal module includes a lower plastic seat and a lower row of terminals disposed in the lower plastic seat.
When the production and manufacture are carried out, the upper terminal module, the middle clamping piece and the lower terminal module are manufactured firstly and respectively, wherein the inner side surfaces of the insulating parts of the upper terminal module and the lower terminal module are respectively provided with a positioning hole and a positioning column, a through hole is formed in the middle clamping piece, the positioning column penetrates through the through hole and is inserted into the corresponding positioning hole, and the positioning column, the positioning hole and the through hole are in interference fit, so that the upper terminal module, the middle clamping piece and the lower terminal module are assembled and positioned. Because the positioning column needs to be in interference fit with the through hole of the middle clamping piece and the positioning hole of the other insulating piece to achieve assembly positioning, assembly errors (for example, the assembly errors between the upper terminal module and the lower terminal module) of any two of the upper terminal module, the middle clamping piece and the lower terminal module need to be considered, and assembly errors among the upper terminal module, the middle clamping piece and the lower terminal module need to be considered, when a plurality of pieces of assemblies are assembled, the assembly errors are large, the assembly difficulty is increased, and the assembly yield is limited.
And, when actual plug was used, the plastic portion of Type-C socket connector's tongue piece front end was lost easily, influenced Type-C socket connector's life.
Therefore, a new technical solution is needed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model discloses to the disappearance that prior art exists, its main objective provides a reduce connector of assembly error, and it is through with upper and lower plastic seat, respectively with the different punch combination assembly location of well clamping piece to well clamping piece is the benchmark location, forms two liang of location, has reduced the assembly error of last plastic seat with lower plastic seat, has also reduced the assembly error of last plastic seat, well clamping piece and lower plastic seat three, is favorable to improving the assembly yield.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a connector for reducing assembly errors comprises a connector main body and a shell sleeved outside the connector main body; the connector main body comprises an upper terminal module, a middle clamping piece and a lower terminal module which are vertically stacked and assembled, the upper terminal module comprises an upper plastic seat and an upper row of terminals arranged in the upper plastic seat, and the lower terminal module comprises a lower plastic seat and a lower row of terminals arranged in the lower plastic seat;
the middle clamping piece is provided with a first positioning hole and a second positioning hole which are arranged at a front-back interval; a first positioning column is arranged on the lower side of the upper plastic seat in a downward protruding mode, a second positioning column is arranged on the upper side of the lower plastic seat in an upward protruding mode, a first avoidance concave position larger than the second positioning column is arranged on the lower side of the upper plastic seat in an upward concave mode, and a second avoidance concave position larger than the first positioning column is arranged on the upper side of the lower plastic seat in a downward concave mode; the first positioning column is in interference fit in the first positioning hole and extends into the second avoidance concave position to form a gap, and the second positioning column is in interference fit in the second positioning hole and extends into the first avoidance concave position to form a gap.
Preferably, the first positioning hole and the second positioning hole have different shapes. Can play the role of fool-proofing.
As a preferred scheme, in the upper plastic seat and the lower plastic seat, the rear end of one of the upper plastic seat and the lower plastic seat extends towards the middle clamping piece to form a vertical guide post, the rear end of the other plastic seat and the rear end of the middle clamping piece are both provided with vertical guide holes, and the vertical guide post penetrates through the vertical guide hole of the middle clamping piece and extends into the other vertical guide hole. Utilize the cooperation of vertical guide post and vertical guiding hole, play the guide effect, during actual preparation, vertical guide post and vertical guiding hole both are clearance fit usually, consequently can not disturb the positioning.
As a preferred scheme, the vertical guide posts are arranged at left and right intervals, correspondingly, two vertical guide holes arranged at left and right intervals are arranged at the rear end of the other vertical guide post and the rear end of the middle clamping piece, and the first positioning hole and the second positioning hole are arranged corresponding to the area between the two vertical guide holes of the middle clamping piece, so that the first positioning hole and the second positioning hole respectively form a triangular arrangement relationship with the two vertical guide holes of the middle clamping piece. The positioning is stable and reliable, a better positioning effect is formed in the X, Y axial direction, and the guiding effect is achieved during assembly, so that the assembly is smooth.
As a preferable scheme, the upper plastic seat is provided with an upper tongue plate extending forwards, the contact part of the upper row of terminals is exposed on the upper surface of the upper tongue plate, the lower plastic seat is provided with a lower tongue plate extending forwards, and the contact part of the lower row of terminals is exposed on the lower surface of the lower tongue plate; the upper tongue plate and the lower tongue plate are respectively overlapped with the upper side and the lower side of the middle clamping piece, and the upper terminal module, the middle clamping piece and the lower terminal module are combined in an injection molding mode through the secondary injection molding seat; the secondary injection molding seat covers the upper tongue plate and the lower tongue plate, the front ends of the upper tongue plate and the lower tongue plate integrally extend to form a front end part of the tongue plate, the front end of the middle clamping piece extends forwards to the inside of the front end part of the tongue plate to increase the strength of the front end part of the tongue plate, and the shell is sleeved outside the connector main body to form a plug-in cavity in a surrounding manner. It effectively improves the strength of the tongue plate, and is not easy to be broken when being plugged and pulled.
As a preferred scheme, the upper plastic seat further comprises an upper base located at the rear side of the upper tongue plate in an interval manner, the lower plastic seat further comprises a lower base located at the rear side of the lower tongue plate in an interval manner, glue passing gaps are formed between the upper tongue plate and the upper base and between the lower tongue plate and the lower base, correspondingly, a first glue passing hole is formed in the middle clamping piece, and glue materials are filled into the glue passing gaps and the first glue passing hole in the injection molding process of the secondary injection molding seat, so that the bonding strength of the upper terminal module and the lower terminal module is enhanced. Thereby being beneficial to improving the integral structural strength of the tongue plate.
As a preferred scheme, through holes are respectively formed in the left side and the right side of the middle clamping piece corresponding to the first positioning hole and the second positioning hole.
Preferably, the front end of the through hole extends to the rear end of the first positioning hole, and the rear end of the through hole extends to the front end of the second positioning hole.
As an optimal scheme, the left side and the right side of the front end of the middle clamping piece are provided with the clamping hooks, the front end of the middle clamping piece extends forwards to exceed the front end of the clamping hooks, the inner sides of the middle clamping piece corresponding to the clamping hooks are provided with the second glue passing holes, the second glue passing holes penetrate through the upper end and the lower end of the middle clamping piece, glue materials are filled into the second glue passing holes when the secondary injection molding seat is used for injection molding, and the secondary injection molding seat is combined with the middle clamping piece more firmly.
Compared with the prior art, the utility model have obvious advantage and beneficial effect, particularly, can know by above-mentioned technical scheme, it is mainly through with on, lower plastic seat, respectively with the different punch combination assembly location of well clamping piece, use well clamping piece as the benchmark location, form two liang of location, go up plastic seat and well clamping piece both assembly location promptly, both assembly location of plastic seat and well clamping piece down, compare the middle and upper plastic seat in the conventional art, well clamping piece and need reach assembly location down between the plastic seat three, the assembly error of going up plastic seat and plastic seat down has been reduced, the plastic seat has also been reduced, well clamping piece and plastic seat three's assembly error down, effectively reduce the upper terminal module, the assembly error of well clamping piece and lower terminal module three, be favorable to improving the assembly yield.
Meanwhile, the middle clamping piece is provided with the first positioning holes and the second positioning holes which are arranged at intervals front and back, so that a good positioning effect is achieved in the Y-axis direction, and for the tongue plate extending in the front and back direction (also referred to as the Y-axis direction), the combination area in the Y-axis direction is longer, and the improvement of the folding damage resistance of the tongue plate is facilitated.
And the first positioning column and the second positioning column only need to form interference fit with corresponding positioning holes in the middle clamping piece, the design depth of the first avoiding concave position and the second avoiding concave position can be shallower than that of the positioning holes in the traditional technology, and meanwhile, the first positioning column and the first avoiding concave position are arranged along the front-back distance, the second positioning column and the second avoiding concave position are also arranged along the front-back distance, so that the terminal arrangement of the upper terminal module and the lower terminal module is facilitated.
To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is a perspective view of an embodiment of the present invention;
FIG. 2 is an exploded view of an embodiment of the present invention (the seal rubber ring is not shown);
fig. 3 is an exploded view of the connector body of an embodiment of the present invention;
fig. 4 is an assembly view of the upper terminal module and the middle clip according to the embodiment of the present invention;
fig. 5 is an exploded view of the upper terminal module, the middle clip, and the lower terminal module according to the embodiment of the present invention;
fig. 6 is a cross-sectional view of an embodiment of the invention.
The attached drawings indicate the following:
Positioning leg 12 bending elastic supporting leg 13
The supporting portion 131 contacts the bumps 132
Tongue plate 1 with vertical guide holes 202
Middle clamping piece 22 of upper base 3
The first positioning hole 221 and the second positioning hole 222
Hook 225 second glue hole 226
Lower plastic seat 231 of lower terminal module 23
Lower-row terminal 232 second positioning column 2311
Second avoiding concave 2312 lower tongue plate 2
Lower base 4 EMI housing 24
Front end 251 of tongue plate of secondary injection molding seat 25
And (4) inserting the cavity A.
Detailed Description
Fig. 1 to 6 show specific structures of embodiments of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", 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 in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
A connector for reducing assembly error, which takes a Type-C socket connector as an example for description, comprises a connector body and a shell sleeved outside the connector body, specifically comprises an outer shell 10, a connector body 20, an inner shell 30 and a sealing rubber ring 40. Wherein:
the housing 10 is a metal case, such as an iron case. The outer shell 10 is usually formed by punching and bending a metal plate, and has a top wall, a bottom wall, a left side wall and a right side wall, wherein hollow holes 11 are formed in the top wall and the bottom wall, and welding can be completed on the same surface of the outer shell 10 and the inner shell 30 at one time through the hollow holes 11, that is, the outer shell 10 and the inner shell 30 are welded and fixed, and the inner shell 30 and the EMI shell 24 are welded and fixed, so that equipment investment is reduced, and a manufacturing process is shortened. The left side and the right side of the top wall of the housing 10 integrally extend downwards to form a left side wall and a right side wall, and the left side wall and the right side wall are bent inwards and oppositely to form a bottom wall in a splicing manner. The rear end of the top wall is connected with a rear side wall in an extending mode, and the rear side wall is formed by bending the rear end of the top wall downwards. Typically, positioning pins 12 extend downward from the left and/or right side of the housing to provide more secure mounting of the connector to a PCB. Preferably, a positioning foot 12 extends downwards from each of the left, right and rear side walls, for example: left side wall, right side wall respectively have 2 location feet that interval set up around, and back lateral wall has the location foot that interval set up about 2. Further, the front end of the bottom wall of the housing 10 is bent downward and extended backward to form a bent elastic supporting leg 13, and the bent elastic supporting leg 13 has a supporting portion 131 located below the bottom wall of the housing 10. Therefore, when the connector is pressed down by external force, the bending elastic supporting legs 13 can play a supporting role, and the connector is protected from collapsing and deforming. And, the bottom of the supporting part 131 is provided with a contact bump 132 in a downward protruding manner, and the contact reliability of the supporting part 131 and the PCB is improved by using the contact bump 132.
The connector main body 20 comprises an upper end sub-module 21, a middle clamping piece 22, a lower end sub-module 23, an EMI shell 24 and a secondary injection molding seat 25 which are vertically overlapped and assembled;
the upper terminal module 21 includes an upper plastic seat 211 and an upper row of terminals 212 disposed in the upper plastic seat 211, a first positioning post 2111 is disposed on a lower side of the upper plastic seat 211 in a downward protruding manner, a first avoiding concave portion 2112 larger than a second positioning post 2311 is disposed on a lower side of the upper plastic seat 211 in an upward concave manner, the upper plastic seat 211 has an upper tongue plate 1 extending forward, a contact portion of the upper row of terminals 212 is exposed on an upper surface of the upper tongue plate 1, the upper plastic seat 211 further has an upper base 3 located at a rear side of the upper tongue plate 1 in a spaced manner, and a gluing gap 201 is formed between the upper tongue plate 1 and the upper base 3.
The middle clamping piece 22 is provided with a first positioning hole 221 and a second positioning hole 222 which are arranged at a front-back interval; preferably, the first positioning hole 221 and the second positioning hole 222 have different shapes, so as to play a fool-proof role. The middle clip 22 is provided with a first glue through hole 223. And through holes 224 are respectively formed in the middle clip 22 corresponding to the left and right sides of the first positioning hole 221 and the second positioning hole 222, wherein the front end of the through hole 224 extends to the rear end of the first positioning hole 221, and the rear end of the through hole 224 extends to the front end of the second positioning hole 222. Through hole 224's setting for when upper terminal module 21, lower extreme submodule group 23 respectively with well clamping piece 22 closed assembly, when corresponding reference column interference fit in corresponding locating hole, provide the deformation space, be favorable to improving the assembly smoothness nature. The left and right sides of the front end of the middle clamping piece 22 are provided with the clamping hooks 225, the front end of the middle clamping piece 22 extends forwards to exceed the front end of the clamping hooks 225, the inner side of the middle clamping piece 22 corresponding to the clamping hooks 225 is provided with the second glue passing hole 226, the second glue passing hole 226 penetrates through the upper end and the lower end of the middle clamping piece 22, the glue material is filled into the second glue passing hole 226 when the secondary injection molding seat 25 is injection molded, and the secondary injection molding seat 25 is combined with the middle clamping piece 22 more firmly.
The lower terminal module 23 includes a lower plastic seat 231 and a lower row of terminals 232 disposed in the lower plastic seat 231; a second positioning column 2311 is convexly arranged upwards on the upper side of the lower plastic seat 231, and a second avoidance concave position 2312 larger than the first positioning column 2111 is concavely arranged downwards on the upper side of the lower plastic seat 231; the lower plastic seat 231 is provided with a lower tongue plate 2 extending forwards, and the contact part of the lower row of terminals 232 is exposed on the lower surface of the lower tongue plate 2; the lower plastic seat 231 further has a lower base 4 located at the rear side of the lower tongue plate 2 in a spaced manner, and a glue passing gap 201 is formed between the lower tongue plate 2 and the lower base 4.
And in the upper plastic seat 211 and the lower plastic seat 231, a vertical guide post 2113 extends from the rear end of one of the upper plastic seat 211 and the lower plastic seat 231 toward the middle clip 22, vertical guide holes 202 are formed in the rear end of the other of the upper plastic seat and the lower plastic seat and the rear end of the middle clip 22, and the vertical guide post 2113 penetrates through the vertical guide hole 202 of the middle clip 22 and extends into the other vertical guide hole 202. The vertical guide post 2113 and the vertical guide hole 202 are matched to play a guiding role, and in actual manufacturing, the vertical guide post 2113 and the vertical guide hole 202 are in clearance fit, so that the assembly and positioning cannot be interfered. The two vertical guide posts 2113 are arranged at a left-right interval, correspondingly, the two vertical guide holes 202 arranged at a left-right interval are arranged at the rear end of the other vertical guide post and the rear end of the middle clamping piece 22, and the first positioning hole 221 and the second positioning hole 222 are arranged corresponding to the area between the two vertical guide holes 202 of the middle clamping piece 22, so that the first positioning hole 221 and the second positioning hole 222 and the two vertical guide holes 202 of the middle clamping piece 22 form a triangular arrangement relationship. The positioning is stable and reliable, a better positioning effect is formed in the X, Y axial direction, and the guiding effect is achieved during assembly, so that the assembly is smooth.
During assembly, the first positioning post 2111 is in interference fit with the first positioning hole 221 and extends into the second avoiding concave portion 2312 to form a gap, and the second positioning post 2311 is in interference fit with the second positioning hole 222 and extends into the first avoiding concave portion 2112 to form a gap. The upper tongue plate 1 and the lower tongue plate 2 are respectively overlapped with the upper side and the lower side of the middle clamping piece 22, and the upper terminal module 21, the middle clamping piece 22 and the lower terminal module 23 are combined by injection molding through the secondary injection molding seat 25; the secondary injection molding seat 25 covers the upper tongue plate 1 and the lower tongue plate 2, the front ends of the upper tongue plate 1 and the lower tongue plate 2 of the secondary injection molding seat 25 integrally extend to form a tongue plate front end portion 251, the front end of the middle clamping piece 22 extends forwards to the inside of the tongue plate front end portion 251 to increase the strength of the tongue plate front end portion 251, the tongue plate strength is effectively improved, and the secondary injection molding seat is not prone to being broken when being plugged and pulled out for use.
The EMI shell 24 is sleeved on the peripheries of the stacked and assembled upper terminal module 21, middle clamping piece 22 and lower terminal module 23, and then secondary injection molding is performed, and when injection molding is performed on the secondary injection molding base 25, glue is filled in the glue passing gap 201 and the first glue passing hole 223, so that the bonding strength of the upper terminal module 21 and the lower terminal module 23 is enhanced. Thereby being beneficial to improving the integral structural strength of the tongue plate.
The inner shell 30 is a metal shell, such as an iron shell or the like. The inner shell 30 is sleeved outside the connector body 20, the inner shell 30 surrounds the periphery of the tongue plate to form a plug cavity a, and the outer shell 10 is sleeved outside the inner shell 30 and can be applied to a connector socket.
The utility model discloses a design is important to be located, it is mainly through with upper and lower plastic seat, respectively with the different punch combination assembly location of well clamping piece, use well clamping piece as benchmark location, form two liang of location, go up both assembly location of plastic seat and well clamping piece promptly, both assembly location of plastic seat and well clamping piece down, compare the middle and upper plastic seat in the conventional art, well clamping piece and need reach assembly location between the lower plastic seat three, the assembly error of going up plastic seat and lower plastic seat has been reduced, also reduced the plastic seat, well clamping piece and lower plastic seat three's assembly error, effectively reduce the upper terminal module, the assembly error of well clamping piece and lower terminal module three, be favorable to improving the assembly yield.
Meanwhile, the middle clamping piece is provided with the first positioning holes and the second positioning holes which are arranged at intervals front and back, so that a good positioning effect is achieved in the Y-axis direction, and for the tongue plate extending in the front and back direction (also referred to as the Y-axis direction), the combination area in the Y-axis direction is longer, and the improvement of the folding damage resistance of the tongue plate is facilitated.
And the first positioning column and the second positioning column only need to form interference fit with corresponding positioning holes in the middle clamping piece, the design depth of the first avoiding concave position and the second avoiding concave position can be shallower than that of the positioning holes in the traditional technology, and meanwhile, the first positioning column and the first avoiding concave position are arranged along the front-back distance, the second positioning column and the second avoiding concave position are also arranged along the front-back distance, so that the terminal arrangement of the upper terminal module and the lower terminal module is facilitated.
Through the setting of fretwork hole, can realize that shell and inner shell, inner shell and EMI shell once only accomplish the welding, compare and need earlier inner shell and EMI shell welded fastening among the traditional art, overlap again and establish the shell, the mode of welding shell and inner shell has saved the time of a welding process at least, shortens manufacturing process, is favorable to promoting the preparation efficiency of connector, also reduces equipment input simultaneously.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.
Claims (9)
1. A connector for reducing assembly errors comprises a connector main body and a shell sleeved outside the connector main body; the connector main part is including folding the last terminal module of establishing the equipment from top to bottom, well clamping piece and lower terminal module, go up the terminal module including last plastic seat and set up the row's of going up terminal in last plastic seat, lower terminal module is including lower plastic seat and set up the terminal of arranging down in lower plastic seat, its characterized in that:
the middle clamping piece is provided with a first positioning hole and a second positioning hole which are arranged at a front-back interval; a first positioning column is arranged on the lower side of the upper plastic seat in a downward protruding mode, a second positioning column is arranged on the upper side of the lower plastic seat in an upward protruding mode, a first avoidance concave position larger than the second positioning column is arranged on the lower side of the upper plastic seat in an upward concave mode, and a second avoidance concave position larger than the first positioning column is arranged on the upper side of the lower plastic seat in a downward concave mode; the first positioning column is in interference fit in the first positioning hole and extends into the second avoidance concave position to form a gap, and the second positioning column is in interference fit in the second positioning hole and extends into the first avoidance concave position to form a gap.
2. A connector with reduced assembly error as set forth in claim 1, wherein: the first positioning hole and the second positioning hole are different in shape.
3. A connector with reduced assembly error as set forth in claim 1, wherein: among the upper plastic seat and the lower plastic seat, the rear end of one of the upper plastic seat and the lower plastic seat extends towards the middle clamping piece to form a vertical guide post, the rear end of the other clamping piece and the rear end of the middle clamping piece are provided with vertical guide holes, and the vertical guide post penetrates through the vertical guide hole of the middle clamping piece and extends into the other vertical guide hole.
4. A connector with reduced assembly error as set forth in claim 3, wherein: the vertical guide post is provided with two along controlling the interval, correspondingly, interval setting's vertical guiding hole about another rear end and well clamping piece rear end then all is provided with two, and just, first locating hole and second locating hole all correspond between two vertical guiding holes of well clamping piece regional setting to make first locating hole and second locating hole constitute triangle-shaped with two vertical guiding holes of well clamping piece respectively and arrange the relation.
5. A connector with reduced assembly error as set forth in claim 1, wherein: the upper plastic seat is provided with an upper tongue plate extending forwards, the contact part of the upper row of terminals is exposed on the upper surface of the upper tongue plate, the lower plastic seat is provided with a lower tongue plate extending forwards, and the contact part of the lower row of terminals is exposed on the lower surface of the lower tongue plate; the upper tongue plate and the lower tongue plate are respectively overlapped with the upper side and the lower side of the middle clamping piece, and the upper terminal module, the middle clamping piece and the lower terminal module are combined in an injection molding mode through the secondary injection molding seat; the secondary injection molding seat covers the upper tongue plate and the lower tongue plate, the front ends of the upper tongue plate and the lower tongue plate integrally extend to form a front end part of the tongue plate, the front end of the middle clamping piece extends forwards to the inside of the front end part of the tongue plate to increase the strength of the front end part of the tongue plate, and the shell is sleeved on the outer side of the connector main body to form an insertion cavity in a surrounding mode.
6. A connector with reduced assembly error as set forth in claim 5, wherein: the upper plastic seat is further provided with an upper base which is arranged on the rear side of the upper tongue plate in a spaced mode, the lower plastic seat is further provided with a lower base which is arranged on the rear side of the lower tongue plate in a spaced mode, glue passing gaps are formed between the upper tongue plate and the upper base and between the lower tongue plate and the lower base, correspondingly, a first glue passing hole is formed in the middle clamping piece, and glue materials are filled into the glue passing gaps and the first glue passing hole when the secondary injection molding seat is used for injection molding, so that the bonding strength of the upper terminal module and the lower terminal module is enhanced.
7. A connector with reduced assembly error according to any one of claims 1 to 6, wherein: through holes are respectively formed in the left side and the right side of the middle clamping piece corresponding to the first positioning hole and the second positioning hole.
8. A connector with reduced assembly error as set forth in claim 7, wherein: the front end of the through hole extends to the rear end of the first positioning hole, and the rear end of the through hole extends to the front end of the second positioning hole.
9. A connector with reduced assembly error according to claim 5 or 6, wherein: the left and right sides of the front end of the middle clamping piece are provided with clamping hooks, the front end of the middle clamping piece extends forwards to exceed the front end of the clamping hooks, the inner sides, corresponding to the clamping hooks, of the middle clamping piece are provided with second glue passing holes, the second glue passing holes penetrate through the upper end and the lower end of the middle clamping piece, and glue materials are filled into the second glue passing holes when the secondary injection molding seat is used for injection molding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220996652.5U CN217468915U (en) | 2022-04-24 | 2022-04-24 | Connector capable of reducing assembly error |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220996652.5U CN217468915U (en) | 2022-04-24 | 2022-04-24 | Connector capable of reducing assembly error |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217468915U true CN217468915U (en) | 2022-09-20 |
Family
ID=83274175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220996652.5U Active CN217468915U (en) | 2022-04-24 | 2022-04-24 | Connector capable of reducing assembly error |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217468915U (en) |
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2022
- 2022-04-24 CN CN202220996652.5U patent/CN217468915U/en active Active
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Address after: 523000, No. 138 Gangjian Road, Changping Town, Dongguan City, Guangdong Province Patentee after: Lianji Precision Electronics Co.,Ltd. Country or region after: China Address before: 523000 room 212, building 3, No. 42, Muxuan Chuangye 1st Road, Changping Town, Dongguan City, Guangdong Province Patentee before: Guangdong Lianji Precision Industry Co.,Ltd. Country or region before: China |