CN210576625U

CN210576625U - OBD connector with independently detachable contact pin

Info

Publication number: CN210576625U
Application number: CN201921676704.5U
Authority: CN
Inventors: 汪书勇; 罗有芬
Original assignee: Shenzhen Huashun Communication Electronic Technology Co Ltd
Current assignee: Shenzhen Huashun Communication Electronic Technology Co Ltd
Priority date: 2019-10-09
Filing date: 2019-10-09
Publication date: 2020-05-19
Anticipated expiration: 2029-10-09

Abstract

The utility model belongs to the technical field of electrical plug, especially, relate to a but OBD connector of independent dismouting contact pin, including upper cover, lower cover, plug, end tail and inner core, the inner core is glued the core including the location and is set up in the positive first tucking rubber core of location and set up in the gluey core of second tucking at the location back of gluing the core, a plurality of screw through-holes are seted up to the gluey core of location, first tucking rubber core and second tucking rubber core pass through the screw respectively with gluey core fixed connection in the location together to the contact pin mounting groove is all seted up towards the one side of gluey core of location to first tucking rubber core and second tucking rubber core is used for installing the contact pin, thereby make the inner core that forms freely dismantle, compare the body structure of 16 contact pins in prior art, can change certain contact pin of damage alone when the maintenance, thereby reach resources are saved, reduce cost's effect.

Description

OBD connector with independently detachable contact pin

Technical Field

The utility model belongs to the technical field of electrical plug, especially, relate to a OBD connector of independent dismouting contact pin.

Background

The OBD interface is popular and is said that the automobile detecting instrument visits the interface of automobile computer ECU (being equivalent to the USB interface, can only visit the thing on the USB flash disk through this interface computer, is a reason), present civilian vehicle all has the electric community that central succession computer ECU control diversified sensor is constituteed, so when a certain position of vehicle breaks down is that the vehicle breaks down, on-vehicle computer has the fault code to produce, this thing just needs the on-vehicle detector to visit through the OBD interface and detects and clear away, so the use is very big.

The number of the holes is that the number of the holes is 16 on the automobile OBD interface, but not every hole is used, because an international standard is involved, the number of the holes is defined as 1-16 on the wide top, wherein 1, 3, 8, 9, 11, 12 and 13 are unused interfaces, and 2, 4, 5, 6, 7, 10, 14, 15 and 16 are used interfaces. Specifically, the interface 2 is called a busositive Line, the interface 4 is called a chassis ground wire, the interface 5 is called a signal ground wire, the interface 6 is called a CAN high Line, namely CAN-H Line, and the interface 7 is called K-Line; interface No. 10 is called Bus negative line, interface No. 14 is called CAN low line, namely CAN-L line, interface No. 15 is L line, and interface No. 16 is the constant power supply.

In the in-service use, along with the increase of OBD interface plug number of times, can not avoid the damage of certain contact pin, for example appear becoming flexible and lead to contact failure, perhaps directly break off, can not transmit the signal, because 16 contact pins of OBD plug are moulded plastics together, can not directly change a certain because of a certain contact pin damages, so when the maintenance, can only change 16 contact pin rows together to lead to the wasting of resources.

SUMMERY OF THE UTILITY MODEL

To prior art's not enough, this utility model provides a but OBD connector of independent dismouting contact pin, 16 contact pins of inner core adopt the fixed mode of difference joint for replace the integrative mode of moulding plastics of 16 contact pins of prior art, thereby can change certain contact pin alone.

In order to realize above-mentioned purpose, this utility model provides a but OBD connector of independent dismouting contact pin, include by upper cover and lower cover equipment lid together to and set up in the plug of lid front end, set up in the end tail of lid rear end, set up in the inside inner core of lid, the inner core includes the location and glues the core and set up in the positive first tucking of location gluey core and set up in the gluey core of second tucking at the location back of gluey core, and a plurality of screw through-holes are seted up side by side along its length direction in the middle part of the gluey core of location, and the through-hole is seted up respectively in the corresponding position of screw through-hole that the core was seted up at the location to first tucking glue core and second tucking glue core for wear to establish the screw respectively with location gluey core fixed connection together, and the one side of core orientation location gluey core of first tucking all sets up the contact pin and is used for installing the contact.

As the utility model relates to a but further improvement of OBD connector of independent dismouting contact pin: the contact pin comprises a contact pin main body and a positioning tooth arranged in the middle of the contact pin main body, the contact pin mounting groove comprises a longitudinal groove used for mounting the contact pin main body and a transverse groove used for mounting the positioning tooth, the width of the longitudinal groove is the same as that of the contact pin, and the distance between the transverse grooves is the same as that of the positioning grooves.

As the utility model relates to a but further improvement of OBD connector of independent dismouting contact pin: the through hole that first tucking rubber core and second tucking rubber core seted up is located the transverse groove, contact pin main part middle part interval sets up two location teeth, becomes the spill structure between these two location teeth, and wherein two contact pins that adjacent just are located the through hole both sides are installed in the contact pin mounting groove in opposite directions, and two relative spill structures form the ring of dodging of through-hole.

As the utility model relates to a but further improvement of OBD connector of independent dismouting contact pin: the side edges of the upper cover and the lower cover are provided with corresponding clamping grooves for mounting gaskets, and the tail parts of the upper cover and the lower cover are provided with corresponding clamping grooves for mounting end tails.

As the utility model relates to a but further improvement of OBD connector of independent dismouting contact pin: the end tail is an inclined plane end tail.

As the utility model relates to a but further improvement of OBD connector of independent dismouting contact pin: the upper cover, the lower cover, the plug, the end tail and the gasket are all made of metal.

As the utility model relates to a but further improvement of OBD connector of independent dismouting contact pin: the upper cover, the lower cover and the plug are fixedly connected together through screws.

The utility model discloses a but beneficial effect of OBD connector of independent dismouting contact pin: fix 16 contact pins on two tucking rubber cores respectively the joint, two tucking rubber cores are respectively through the positive and negative two sides of screw fixation at the gluey core of location to the inner core that makes the formation can freely be dismantled, compares the body structure of 16 contact pins among the prior art, can change certain contact pin of damage alone when the maintenance, thereby reaches resources are saved, reduce cost's effect.

Drawings

Fig. 1 is a schematic structural view of the OBD connector of the present invention;

fig. 2 is an exploded schematic view of the OBD connector of the present invention;

fig. 3 is an assembly schematic view of the inner core of the present invention;

fig. 4 is a schematic structural view of the pin mounting groove of the present invention;

fig. 5 is a schematic structural view of the contact pin of the present invention;

in the figure: 1. upper cover, 2, lower cover, 3, plug, 4, end tail, 5, inner core, 501, first tucking rubber core, 502, second tucking rubber core, 503, location rubber core, 6, gasket, 7, contact pin, 701, contact pin main part, 702, location tooth, 8, screw through hole, 9, through hole, 10, contact pin mounting groove, 1001, vertical groove, 1002, horizontal groove.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

The utility model provides a pair of OBD connector of independent dismouting contact pin, including upper cover 1, lower cover 2, plug 3, end tail 4 and inner core 5, wherein inner core 5 mainly glues the core by location 503, tucking to glue the core to and set up contact pin 7 between location 503 and tucking glue the core and constitute, tucking glue the core and include first tucking glue core 501 and second tucking glue core 502, first tucking glue core 501 and second tucking glue core 502 laminate respectively and set up in the positive and negative of location 503 to between first tucking glue core 501 and the location glue core 503, all set up 8 contact pins between second tucking glue core 502 and the location glue core 503, it is specific, first tucking glue core 501 and second tucking glue core 502 all set up contact pin mounting groove 10 towards the one side of location glue core 503 and be used for installing contact pin 7.

Preferably, a plurality of threaded through holes 8 are formed in the middle of the positioning rubber core 503 in parallel along the length direction of the positioning rubber core, through holes 9 are respectively formed in the first needle pressing rubber core 501 and the second needle pressing rubber core 502 at positions corresponding to the threaded through holes 8 formed in the positioning rubber core 503 for penetrating screws to be fixedly connected with the positioning rubber core 503 respectively, in the drawing, the positioning rubber core 503 is provided with five threaded through holes 8, the first needle pressing rubber core 501 is provided with three through holes 9 at positions close to the middle, and the second needle pressing rubber core 502 is provided with two through holes 9 at positions close to two sides;

the contact pin 7 comprises a contact pin main body 701 and a positioning tooth 702 arranged in the middle of the contact pin main body 701, the contact pin mounting groove 10 comprises a longitudinal groove 1001 used for mounting the contact pin main body 701 and a transverse groove 1002 used for mounting the positioning tooth 702, the width of the longitudinal groove 1001 is the same as that of the contact pin 7, the distance between the transverse grooves 1002 is the same as that of the positioning tooth 702, the primary positioning of the contact pin 7 can be completed through the longitudinal groove 1001, the contact pin 7 can be stabilized through the transverse groove 1002, and the contact pin 7 is prevented from longitudinally displacing in the plugging and unplugging process;

through-hole 9 that first tucking rubber core 501 and second tucking rubber core 502 seted up is located transverse groove 1002, in order not to hinder wearing and establishing of screw, the middle part of location tooth 702 sets up to the spill structure, perhaps contact pin main part 701 middle part interval sets up two location teeth 702, becomes the spill structure between these two location teeth 702, then adjacent and two contact pins 7 that are located through-hole 9 both sides are installed in contact pin mounting groove 10 in opposite directions, two relative spill structures form the ring of dodging of through-hole 9.

Through the structure, when a certain contact pin 7 is damaged, only the screw needs to be screwed off to separate the positioning rubber core 503 from the first needle pressing rubber core 501 or the second needle pressing rubber core 502, then the damaged contact pin 7 is taken out from the contact pin mounting groove 10 and replaced with a new one, and compared with an integrated structure (integrated replacement during replacement) of 16 contact pins 7 in the prior art, the novel contact pin mounting structure saves resources and reduces maintenance cost.

Similarly, the upper cover 1, the lower cover 2, the plug 3 and the end tail 4 are also assembled together, and can be disassembled, preferably, the upper cover 1, the lower cover 2 and the plug 3 are fixedly connected together through screws, the end tail 4 is an inclined end tail and is clamped in clamping grooves formed in the tail portions of the upper cover 1 and the lower cover 2, and corresponding clamping grooves for mounting the gasket 6 are formed in the side edges of the upper cover 1 and the lower cover 2.

Further, in order to promote the quality and the life of OBD connector, the material of upper cover 1, lower cover 2, plug 3, end tail 4 and gasket 6 is the metal, and is preferred, and the material of upper cover 1, lower cover 2 and end tail 4 is the aluminum alloy, and the material of plug 3 is the zinc alloy, and the material of gasket 6 is the nickel-plated iron.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiments, and although the present invention has been disclosed with the preferred embodiments, it is not limited to the present invention, and any skilled person in the art can make some modifications or equivalent changes without departing from the technical scope of the present invention.

Claims

1. The utility model provides a but OBD connector of independent dismouting contact pin, includes by upper cover and lower cover equipment lid together to and set up in the plug of lid front end, set up in the end tail of lid rear end, set up in the inside inner core of lid, its characterized in that: the inner core is including the location gluey core and set up in the positive first tucking rubber core of location gluey core and set up in the second tucking rubber core at the location gluey core back, set up a plurality of screw through-holes side by side along its length direction in the middle part of the location gluey core, the through-hole is seted up respectively in the corresponding position of screw through-hole that the location gluey core was seted up to first tucking rubber core and second tucking rubber core for wear to establish the screw respectively with location gluey core fixed connection together, and the contact pin mounting groove is all seted up towards the one side of location gluey core to first tucking rubber core and second tucking rubber core for the installation contact pin.

2. An OBD connector with independently removable pins according to claim 1, wherein: the contact pin comprises a contact pin main body and a positioning tooth arranged in the middle of the contact pin main body, the contact pin mounting groove comprises a longitudinal groove used for mounting the contact pin main body and a transverse groove used for mounting the positioning tooth, the width of the longitudinal groove is the same as that of the contact pin, and the distance between the transverse grooves is the same as that of the positioning grooves.

3. An OBD connector with independently removable pins according to claim 2, wherein: the through hole that first tucking rubber core and second tucking rubber core seted up is located the transverse groove, contact pin main part middle part interval sets up two location teeth, becomes the spill structure between these two location teeth, and wherein two contact pins that adjacent just are located the through hole both sides are installed in the contact pin mounting groove in opposite directions, and two relative spill structures form the ring of dodging of through-hole.

4. An OBD connector with independently removable pins according to claim 3, wherein: the side edges of the upper cover and the lower cover are provided with corresponding clamping grooves for mounting gaskets, and the tail parts of the upper cover and the lower cover are provided with corresponding clamping grooves for mounting end tails.

5. An OBD connector with independently removable pins according to claim 4, wherein: the end tail is an inclined plane end tail.

6. An OBD connector with independently removable pins according to claim 5, wherein: the upper cover, the lower cover, the plug, the end tail and the gasket are all made of metal.

7. An OBD connector with independently removable pins according to claim 6, wherein: the upper cover, the lower cover and the plug are fixedly connected together through screws.