TWI802045B - Blade-type automotive connector structure - Google Patents

Abstract

The invention relates to a blade-type automotive connector structure. The blade-type automotive connector may comprise a male connector and a female connector, through injection-molding to combine a plurality of blade-type male terminals and a plurality of female terminals of the gateway whole, which can save complicated steps of manual plug-in installation of the terminals, and avoid the damage and deformation of the terminals during the installation process, helps to improve the production efficiency and reduce the defect rate of the product.

Description

Blade type car connector structure

The invention relates to a connector, in particular to an integral injection molded switchblade type automotive connector structure.

Press, when various electronic devices need to connect various circuits such as power supply or signal, it is common to fix the male end connector and the female end connector at both ends of the wire respectively, and then through the quick plug-in of the male end connector and the female end connector To form an electrical connection, the known knife-type connector mainly uses a knife in the form of a blade to cooperate with an elastic sheet to form a combination. At present, the knife-type connector is mostly assembled manually. The male terminal of the knife-type is inserted into the The spring type female terminal formed by the corresponding male terminal is also installed in the female terminal base in the form of plug-in combination. However, the assembly method of the above-mentioned male and female connectors is not only the It is complicated and time-consuming and increases labor costs, and it is also easy to cause errors due to manual assembly, which in turn affects the assembly angle of the terminal, resulting in damage and deformation, and increases the defective rate of the product;

In addition, in order to increase the assembly tightness of the male and female connectors, locks are used to lock and connect the male and female connectors to prevent the male and female connectors from loosening and separating, so as to ensure In order to achieve the above-mentioned requirements for the insertion stability between the two, the female end connector is provided with two screw holes at both symmetrical ends, and two holes are provided at both ends of the male end connector to communicate with the female end connector. The threaded hole of the connecting piece, and then use two bolts to pass through the two through holes of the male end connecting piece and the two screwing holes of the female end connecting piece to lock and connect. screw Due to the lack of structural strength of the plastic material, the connection hole is easy to be improperly set due to the improper locking force of the bolt, causing the screw connection hole to collapse, damage and cause idling, and then lose the locking connection effect, and improve the detachment of the male and female connectors Risks, the above-mentioned deficiencies are the technical problems that this creation intends to solve.

In view of this, the present inventor has been engaged in the manufacture, development and design of related products for many years. After careful design and careful evaluation for the above-mentioned goals, he finally obtained a practical invention.

The technical problem to be solved by the present invention is to provide an integrally formed switchblade vehicle connector structure with combined strength and excellent waterproof effect for the above-mentioned shortcomings in the prior art.

The above-mentioned switchblade type vehicle connector structure includes: a male-end connector, which uses injection molding to integrally cover parts of a plurality of switchblade male terminals, so that the front and back of the switchblade male terminals The rear two ends are exposed to form a plug-in terminal and a male terminal respectively; a female-end connector, the female-end connector is inserted and connected with the male-end connector, and the female-end connector is integrally connected by injection molding Part of a plurality of gateway female terminals, and the female connector is to separate a plurality of terminal chambers corresponding to the number of said gateway female terminals, and one end of said gateway female terminal is accommodated in said terminal chamber to form a The connecting end, and the other end of the gateway female terminal is exposed to form a terminal; a first water-stop pad body, the first water-stop pad system is flatly attached to the front surface of the male-end connector, and on the male-end connector . In the plug-in connection mode of the female-end connector, the edge of the female-end connector is in close contact with the first water-stop pad.

Preferably, the male-end connector is injected to cover the male terminal of the switch knife to form a plug connector, and the female-end connector is injected to cover the female gate terminal to form a connector, and the connector forms a hollow frame Body, the interior of the hollow frame is divided by a plurality of partition walls to define a plurality of independent The terminal compartment.

Preferably, two positioning recesses are symmetrically provided on the upper and lower end surfaces of the male knife terminal, and the plug joint forms a covering portion to connect and fix the male knife terminal, and the covering portion is further along the positioning The concave part forms a plurality of positioning convex parts.

Preferably, the plug connector is provided with two holes through the front and rear end faces at the left and right ends, and a locking seat is integrally formed around the connector, and two screws are pre-embedded at the left and right ends of the locking seat during injection molding. The cap is provided with two through holes facing the two nuts at the front end of the lock seat, and the through holes communicate with the through holes.

Preferably, the surface of the first water-stop pad is provided with a plurality of through holes for the insertion end of the male terminal of the switch knife to pass through, and the two ends of the first water-stop pad face two through holes. There are two openings.

Preferably, a second water-stop pad is flatly attached to the rear end of the plug connector, and two first piercing holes are provided on both ends of the second water-stop pad facing the two through holes.

Preferably, the front end of the locking seat is flatly provided with a third water-stop pad, and the third water-stop pad is provided with two second through holes facing the two through holes.

Preferably, the end of the partition wall of the female end connector is flush with the end edge of the hollow frame, so that the partition wall and the first water-proof pad can also be kept in close contact, so that each The independent waterproof effect of the terminal compartment.

Preferably, the thickness of the connection end of the gate female terminal is smaller than the space of the terminal chamber, and the two outer surfaces of the connection end are not attached to the inner surface of the terminal chamber to form two gaps.

Compared with the effect of the prior art: the male end connector and the female end connector of the present invention Both the knife male terminal and the gate female terminal are connected together by injection molding, which can save the complicated steps of manual plug-in installation of the terminal, and avoid damage and deformation of the terminal during installation, which helps to improve Improve production efficiency and reduce product defect rate.

When the female end connector is injection molded, two nuts are embedded at both ends of the locking seat in advance, and the bolts are locked and fixed through the two nuts, thereby increasing the strength of the screw hole inside the through hole of the locking seat , to avoid the screw holes from being damaged by broken teeth, thereby enhancing the locking strength between the male end connector and the female end connector, and at the same time ensuring a good waterproof effect of the terminal chamber being tightly sealed and watertight.

〔this invention〕

10: Male connector

11: Knife male terminal

12: plug connector

111: plug end

112: public terminal

113: positioning recess

12: plug connector

121: cladding department

122: positioning convex part

123: perforation

13: The first waterproof cushion body

131: through hole

132: opening

14: The second water-stop cushion body

141: the first piercing hole

20:Female connector

21: Gateway female terminal

22: connector

211: connection end

212: female terminal

221: hollow frame

222: partition wall

223: Terminal compartment

224: Gap

23: lock seat

231: Nut

232: Through hole

24: The third water-stop cushion body

241: Second piercing hole

[Fig. 1] is a perspective view of the present invention.

[Fig. 2] is an exploded view of the present invention.

[Fig. 3] is a perspective view of the face-to-face insertion of the present invention.

[Fig. 4] is a cross-sectional view of the face-to-face socket of the present invention.

[Fig. 5] is a sectional view of the plugged state of the present invention.

[Fig. 6] is a cross-sectional view of the horizontally facing plug-in connection of the present invention.

[Fig. 7] is another angle sectional view of the plugged state of the present invention.

[Fig. 8] is another embodiment of the terminal chamber of the present invention.

[Fig. 9] is a sectional view of the oblique insertion of the present invention.

[Fig. 10] is a sectional view of another oblique insertion of the present invention.

In order to enable your examiner to have a better understanding of the purpose, characteristics and effects of the present invention For a step-by-step understanding and understanding, please cooperate with the [Schematic Brief Description] and describe it in detail as follows:

First of all, please refer to Figures 1 and 2, a switchblade type car connector structure, which includes: a male connector 10, the male connector 10 includes a plurality of switchblade male terminals 11 and injection molding A plug connector 12 integrally connected to the switch blade male terminal 11 is formed. The front and rear ends of the switch blade male terminal 11 respectively form a plug end 111 and a male terminal 112, and the switch blade male terminal 11 Two positioning recesses 113 are symmetrically arranged on the upper and lower end faces. The plug connector 12 forms a covering part 121 to connect and fix the male terminal 11 of the knife. The covering part 121 is formed into a plurality of positioning recesses 113 The positioning protrusion 122, the plug end 111 and the male terminal 112 are protrudingly provided on the front and rear end surfaces of the plug connector 12 respectively, and the plug connector 12 is provided with two through holes 123 at the left and right ends of the front and rear end faces , and the front end of the plug connector 12 is flatly attached to a first water-stop pad 13, and the surface of the first water-stop pad 13 is provided with a plurality of through holes 131 for the plug-in end of the switch blade male terminal 11. 111 passes through, and two openings 132 are provided facing the two perforations 123 at both ends of the first water-stop pad body 13, and a second water-stop pad body 14 is also flatly attached to the rear end surface of the plug joint 12, The second waterproof cushion body 14 is also provided with two first piercing holes 141 facing the two through holes 123; It includes a plurality of gateway female terminals 21 and a connector 22 integrally connecting the gateway female terminals 21 by injection molding. The gateway female terminal 21 has a connecting end 211 and a female terminal 212. The connector 22 forms A hollow frame body 221, the interior of the hollow frame body 221 corresponds to the number of the gateway female terminals 21 and is separated by a plurality of partition walls 222 to define a plurality of independent terminal chambers 223, and the connection end 211 of the gateway female terminal 21 is Accommodated in the terminal chamber 223, the female terminal 212 of the female gateway terminal 21 protrudes from the rear end surface of the connector 22, and the thickness of the connecting end 211 of the female gateway terminal 21 is smaller than that of the terminal In the space of the tank chamber 223, the two outer surfaces of the connecting end 211 are not attached to the inner surface of the terminal tank chamber 223 to form two gaps 224, thereby facilitating the injection molding of the female terminal connector 20. and use the gap 224 to achieve the heat dissipation effect of the gateway female terminal 21, and a lock seat 23 is integrally formed around the connector 22, and the left and right ends of the lock seat 23 are pre-set during injection molding. Two nuts 231 are buried, and two through holes 232 are arranged on the front face of the lock seat 23 facing the two nuts 231. The through holes 232 are connected to the through hole 123, and the lock seat The front end surface of 23 is flatly provided with a third water-stop pad body 24 , and the third water-stop pad body 24 is provided with two second piercing holes 241 facing the two through holes 232 .

For the composition and use of its structure, please refer to Figures 1 to 7 again. The male connector 10 is facing the terminal chamber 223 of the female connector 20 with the insertion end 111 of the male terminal 11 of the switch knife. Align and insert into the terminal chamber 223 to connect with the connecting end 211 of the gate female terminal 21, and make the first water-proof cushion body 13 close to the hollow frame body 221 of the connector 22 The end edge further passes through the first waterproof cushion body 13 to seal the hollow frame body 221 so as to avoid liquid intrusion to achieve the purpose of waterproofing, and two bolts (not shown in the figure) can be used to pass through the perforation of the male end connector 10 123 is locked and fixed with the pre-embedded nut 231 of the lock seat 23 to increase the connection tightness between the male end connector 10 and the female end connector 20 to prevent the male and female end connectors 10, 20 from loosening In the event of detachment, it is ensured that the first waterproof pad 13 can be closely attached to the end of the hollow frame 221, so as to improve the waterproof effect of the connector.

In addition, another embodiment of its structure, as shown in Figure 8, the end of the partition wall 222 of the female connector 20 is flush with the end edge of the hollow frame 221, so that all The partition wall 222 and the first water-stop pad 13 can also maintain a close contact state, achieving the independent waterproof effect of each of the terminal chambers 223, preventing the connector from being invaded by water and causing all terminals to be damaged by moisture, and greatly reducing The failure rate of the connector further increases the service life of the connector. .

Please observe from the 9th and 10th figures again, the said switch knife male of the male end connector 10 The terminal 11 can be selectively inserted into the terminal chamber 223 at an angle within the acute angle range, so that the insertion and extraction operation between the male connector 10 and the female connector 20 can be achieved by oblique insertion, thereby being suitable for different The environmental space and different force application angles can further improve the practicability of connector plugging and unplugging, and at the same time avoid the situation of misplugging and damage to the male terminal 11 of the switch knife, which has both the safety and durability of the structure and use.

With the structure of the above-mentioned specific embodiment, the following benefits can be obtained: the male connector 10 and the female connector 20 of this invention are all injection-molded to connect the male terminal 11 of the switch blade and the female terminal 21 of the gate. Integrated, can save the complicated steps of manual plugging and installation of terminals, and at the same time avoid damage and deformation of terminals during installation, which helps to improve production efficiency and reduce product defect rate.

When the female end connector 20 is injection molded, two nuts 231 are embedded at both ends of the locking seat 23 in advance, and the bolts are locked and fixed through the two nuts 231, thereby raising the through hole of the locking seat 23. The strength of the screw holes inside the 232 prevents the screw holes from collapsing and damaging the teeth, thereby improving the locking strength between the male end connector 10 and the female end connector 20, and at the same time ensuring that the terminal chamber 223 is tightly sealed and watertight. Those with good waterproof effect.

To sum up, the present invention has indeed achieved a breakthrough structural design, has improved invention content, and at the same time can achieve industrial applicability and progress, and the present invention has not been seen in any publications, and it is also novel. In line with the provisions of the relevant laws and regulations of the Patent Law, I filed an application for a patent for invention according to the law, and I sincerely request the examination committee of the Jun Bureau to grant a legal patent right. I sincerely pray for it.

Only the above is only a preferred embodiment of the present invention, and should not be used to limit the scope of the present invention; that is, all equivalent changes and modifications made according to the patent scope of the present invention should still belong to the present invention within the scope of the patent.

10: Male connector

11: Knife male terminal

111: plug end

112: public terminal

113: positioning recess

12: plug connector

121: cladding department

122: positioning convex part

123: perforation

13: The first waterproof cushion body

131: through hole

132: opening

14: The second water-stop cushion body

141: the first piercing hole

20:Female connector

21: Gateway female terminal

211: connection end

212: female terminal

22: connector

221: hollow frame

222: partition wall

223: Terminal compartment

23: lock seat

24: The third water-stop cushion body

241: Second piercing hole

Claims (9)

A switchblade-type vehicle connector structure, which includes: a male-end connector, the male-end connector uses injection molding to integrally cover parts of a plurality of switchblade male terminals, so that the front and back of the switchblade male terminals The rear two ends are exposed to form a plug-in terminal and a male terminal respectively; a female-end connector, the female-end connector is inserted and connected with the male-end connector, and the female-end connector is integrally connected by injection molding Part of a plurality of gateway female terminals, and the female connector is to separate a plurality of terminal chambers corresponding to the number of said gateway female terminals, and one end of said gateway female terminal is accommodated in said terminal chamber to form a The connecting end, and the other end of the gateway female terminal is exposed to form a terminal; a first water-stop pad body, the first water-stop pad system is flatly attached to the front surface of the male end connector, and on the male end . In the plug-in connection mode of the female-end connector, the edge of the female-end connector is in close contact with the first water-stop pad. The switchblade type car connector structure according to claim 1, wherein the male connector is injected to cover the male terminal of the switchblade to form a plug connector, and the female connector is injected to cover the gate The channel female terminal forms a connecting head, and the connecting head forms a hollow frame, and the interior of the hollow frame is separated and defined by a plurality of partition walls to define a plurality of independent terminal chambers. The switchblade type vehicle connector structure as described in claim 2, wherein two positioning recesses are symmetrically provided on the upper and lower end faces of the switchblade male terminal, and the plug joint forms a covering part to connect and fix the switch For the blade male terminal, the covering part further forms a plurality of positioning convex parts along the positioning concave part. The switchblade type vehicle connector structure as described in claim 2, wherein, the plug joint is provided with two perforations on the front and rear end faces at the left and right ends, and a lock seat is integrally formed around the joint head. The left and right ends of the seat are pre-embedded with two nuts during injection molding, and two through holes are arranged on the front end of the lock seat facing the two nuts, and the through holes communicate with the through holes. The switchblade type vehicle connector structure as described in claim 4, wherein, the surface of the first water-stop pad is provided with a plurality of through holes for the plug-in ends of the switchblade male terminals to pass through. The two ends of the first water-stop cushion body are provided with two openings facing the two perforations. The switchblade vehicle connector structure as described in claim 4, wherein a second water-stop pad is flatly attached to the rear end of the plug connector, and the two ends of the second water-stop pad face the two through holes. There are two first piercing holes. The switchblade type car connector structure as described in claim 4, wherein, the front end of the lock seat is flatly attached with a third water-stop pad body, and the third water-stop pad body faces the two through holes There are two second piercing holes. The switchblade vehicle connector structure according to claim 2, wherein, the end of the partition wall of the female connector is flush with the end edge of the hollow frame, so that the partition wall and the second A water-stop pad body can also maintain a close-fitting state to achieve the independent waterproof effect of each of the terminal chambers. The blade-type vehicle connector structure according to claim 1, wherein the thickness of the connection end of the gate female terminal is smaller than the space of the terminal chamber, and the two outer surfaces of the connection end are not covered Two gaps are formed on the inner surface of the terminal chamber.

Images