CN216563592U - Cable-free welding-free shielding socket and vehicle-mounted charger - Google Patents

Abstract

The utility model discloses a cable-free welding-free shielding socket and a vehicle-mounted charger, which comprise a head part, a flange plate, a tail part and a pair of socket assemblies, wherein the head part is exposed outside a shell, and the center of the head part is provided with a plurality of outer pins which can be inserted with external plugs; the flange plate can be fixedly connected with the shell; the tail part is provided with a plurality of inner pins which are inserted into the socket assembly; one end of the socket component is provided with a plurality of jacks which are inserted with the inner pins, the other end of the socket component is provided with a plurality of welding pins which are welded with a circuit board in the shell, and the jacks are electrically connected with the welding pins through copper bars; the outer pins and the inner pins are electrically connected through copper bars, and the outer pins and the welding pins are arranged at 90 degrees; the socket component is welded on the circuit board, the socket component can be vertically covered on the upper part of the inner inserting pin together with the circuit board to be fixed, circuit communication between the electric equipment and the connector is achieved, and welding fixation is not needed between the plug and the socket, so that production cost is reduced, and production efficiency is improved.

Description

Cable-free welding-free shielding socket and vehicle-mounted charger

Technical Field

The utility model relates to the field of pure electric and hybrid electric vehicle charging technology and voltage conversion, in particular to a cable-free welding-free shielding socket of a vehicle-mounted charger OBC, a voltage converter DCDC and related integrated products and the vehicle-mounted charger.

Background

With the requirements of energy conservation and emission reduction and air pollution control, new energy automobiles are gradually commercialized in the market, and electric automobiles are more the main force of the new energy automobiles. The vehicle-mounted charger of the electric automobile is an important component of the electric automobile. The circuit board of the existing vehicle-mounted charger and the casing of the charger are manufactured respectively, an external electric socket of the charger is fixed on the casing, and the circuit board is fixed in the inner cavity of the casing and is connected with the electric socket through a cable. The existing cable is connected with the circuit board through the plug, so that one more contact point is provided, more cables are provided, the number of elements is increased, the cost and the hidden trouble are increased, the manual assembly efficiency is low, and the automatic production is not facilitated.

Along with the excitation of national policies and the maturity of related technologies of new energy automobiles, the new energy automobile industry develops into a motorway, part of automobile models of main new energy manufacturers are produced in large batch, and a host factory puts new requirements on all accessory manufacturers, such as cost reduction, mass supply, quality guarantee capability improvement and the like. The existing high-voltage shielding electric connector socket, especially the high-voltage shielding electric connector socket for the new energy automobile, is generally composed of parts such as a plastic shell, a plastic mounting plate, a contact element, a sealing element, a metal shielding cover, a tail accessory and the like. When an existing high-voltage shielding electric connector socket, especially a high-voltage low-current electric connector socket is communicated with a vehicle-mounted electric device circuit, the conventional implementation means is cable switching: one end of the cable is in compression joint with a contact in the connector, the other end of the cable is in compression joint with a wiring terminal, the wiring terminal is in lap joint with a copper bar of the electric equipment, and then the wiring terminal is locked by a bolt to be regulated, so that the circuit communication between the high-voltage connector and the vehicle-mounted electric equipment is realized. In the circuit connection mode of the cable pressing line switching, the cable is flexible and cannot be shaped and pre-positioned, the wiring terminal and the copper bar in the equipment need to be manually positioned, manpower is wasted, the polarity is wrongly connected, and the risk of equipment ablation is caused; meanwhile, the contact element of the connector and the socket are fixed by the elastic gear sleeve, and when wiring is carried out in the equipment, the contact element is separated from the socket shell, so that the system is broken. In summary, it can be seen that the existing high-voltage shielded electrical connector socket has the disadvantages of low production efficiency, high production cost and poor quality assurance capability when being communicated with the equipment circuit.

Accordingly, there is a need in the art to develop a connector socket that reduces the number of connecting components, increases the reliability of the connection, and reduces the cost and potential hazards.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, the utility model provides a cable-free welding-free shielding socket and a vehicle-mounted charger.

The utility model adopts the technical scheme that a cable welding-free shielding socket is designed, and the cable welding-free shielding socket comprises a head part, a flange plate, a tail part and a pair of socket components, wherein the head part is exposed outside a shell, and the center of the head part is provided with a plurality of outer pins which can be inserted into an external plug; the flange plate can be fixedly connected with the shell; the tail part is provided with a plurality of inner pins which are inserted into the socket assembly; one end of the socket component is provided with a plurality of jacks which are inserted with the inner pins, the other end of the socket component is provided with a plurality of welding pins which are welded with a circuit board in the shell, and the jacks are electrically connected with the welding pins through copper bars; the outer pins and the inner pins are electrically connected through copper bars, and the outer pins and the welding pins are arranged at 90 degrees; the head portion surrounds a barrel-shaped shield in the middle, which shield is connected to the housing and to the shield of the plug when the plug is inserted.

The plug-in pin of afterbody is vertical upwards, to the socket subassembly including socket ontology and a plurality of copper post, set up a plurality of through-holes in the socket ontology, the copper post is vertical to be inlayed in the through-hole, and the copper post lower extreme sets up the jack, copper post upper end sets up the leg that welds.

The head includes the overcoat of tubbiness, columnar stem, the one end and the ring flange of stem and overcoat are linked together, and the stem is located the middle part, and overcoat cover is in the stem outside and be protected a tubbiness with the stem and allow the outer lane male space of plug, the shield cover cladding is on the lateral wall of stem, be equipped with a plurality of blind holes in the stem, set up in the blind hole participate in outer pin.

Two sides of the shielding cover extend out of a shielding cover elastic sheet respectively, and the shielding cover elastic sheets penetrate through the flange plate and extend to the tail direction; when the flange plate is connected with the shell, the elastic sheet of the shielding cover is in elastic contact with the metal shell.

Be equipped with the outside open tongue piece of polylith on the shield cover lateral wall, the tongue piece is formed by the punching press on the shield cover, with the outer lane suppress contact of metal when the outer lane of plug inserts.

The bottom in space erects a plurality of shield cover location protruding muscle around the shield cover, forms the shield cover mounting groove between the lateral wall of shield cover location protruding muscle and stem, the shield cover is inserted in the shield cover mounting groove.

The cross section of the outer sleeve is rectangular, and strip-shaped fool-proof ribs are arranged on the outer side wall of the outer sleeve; the outer side wall of the outer sleeve is provided with a primary hanging platform and a secondary hanging platform which are obliquely and upwards bulged; the first-stage hanging table and the second-stage hanging table are arranged in the front and back direction of the axis of the outer sleeve and used for hanging hooks on the plug.

The cross section of the flange plate is rectangular, mounting holes are formed in four corners of the flange plate, and annular knurled screw sleeves are embedded in the mounting holes; the one side of ring flange towards the casing is equipped with an annular sealing washer mounting groove, is equipped with the sealing washer in the sealing washer mounting groove.

The head, the flange plate and the tail are integrally formed by plastic injection molding.

A vehicle-mounted charger comprises a shell and a circuit board inside the shell, wherein the shell and the circuit board are connected with the cable-free welding-free shielding socket.

The technical scheme provided by the utility model has the beneficial effects that:

the socket tail contact 90-degree copper bar outgoing line is welded on the printed circuit board, the socket pair assembly can be vertically covered on the upper part of the welding leg 4b together with the printed circuit board by using automatic equipment to be fixed, and the circuit communication between the electric equipment and the shielding socket is realized; the plug and the socket are not required to be welded and fixed, so that the production cost is reduced, and the production efficiency is improved; the head part, the flange plate and the tail part are integrally formed by plastic injection, so that the variety of parts is reduced, and the relative position precision of the contact element in the socket is improved; due to integral injection molding, a connection mode that the plastic mounting plate is fixed in the plastic shell by virtue of the elastic clamping jaws on the metal shielding cover is not used, so that the reliability of the structure is improved, the production cost is reduced, and the production efficiency is improved; due to the integrated injection molding, the power pins and the signal pins are not manually assembled, so that the assembly speed is increased, the labor cost is reduced, and the production efficiency is improved; the metal shielding cover is formed by a mold and then is subjected to seamless splicing treatment in the circumferential direction through an engagement structure, and the rear end face of the metal shielding cover in the axial direction is directly attached to the bottom surface of the socket shell, so that 360-degree seamless cladding of the contact element in the socket is realized; by combining the three points, compared with the prior art, the novel shielding structure has the advantages of reliable structure, high shielding efficiency, low production cost, high production efficiency and the like, is particularly suitable for the use requirement of new energy automobiles on the electric connector, and has high use value.

Drawings

The utility model is described in detail below with reference to embodiments and the attached drawings, wherein:

FIG. 1 is an exploded view of the preferred embodiment of the present invention;

FIG. 2 is a front view of the preferred embodiment of the present invention;

FIG. 3 is a rear perspective view of the preferred embodiment of the present invention;

FIG. 4 is a perspective view of the preferred embodiment of the present invention in a forward direction;

FIG. 5 is a schematic view of the present invention separated from the housing;

FIG. 6 is a schematic view of the combination of the preferred embodiment of the present invention and the housing;

FIG. 7 is a schematic view of a preferred embodiment of the shield of the present invention;

FIG. 8 is a perspective view of a receptacle assembly according to the preferred embodiment of the present invention;

FIG. 9 is an exploded view of the socket assembly of the preferred embodiment of the present invention;

fig. 10 is a schematic view of the receptacle body portion and the mating receptacle assembly separated according to the preferred embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

The utility model discloses a shielded socket without welding a wireless cable, which comprises a head part 1, a flange plate 2, a tail part 3 and a socket assembly 4, wherein the head part is exposed outside a shell, and the center of the head part is provided with a plurality of outer pins 1a which can be inserted with an external plug; the flange plate can be fixedly connected with the shell 20; the tail part is provided with a plurality of inner pins 3a which are inserted into the socket assembly; one end of the socket component is provided with a plurality of jacks 4a which are inserted with the inner pins, the other end of the socket component is provided with a plurality of welding pins 4b which are welded with a circuit board 21 in the shell, and the jacks are electrically connected with the welding pins through copper bars; the outer pins 1a and the inner pins 3a are electrically connected through copper bars, and the outer pins and the welding pins are arranged at 90 degrees; the head part is surrounded by a barrel-shaped shielding 7 which is connected to the housing and to the shielding of the plug when the plug is inserted.

Fig. 1 to 10 respectively show an exploded view, a front view, a back view, a front view, a housing-housing separation view, a housing-housing combination view, a shielding cover view, a socket-housing assembly view, an exploded view of the socket-housing assembly, and a separating view of the socket main body and the socket-housing assembly according to the preferred embodiment of the present invention. The outer pins and the welding pins are arranged at 90 degrees, or the head of the socket and the circuit board are arranged at 90 degrees; referring to the schematic diagram of the separation of the socket main body part and the opposite socket component shown in fig. 10, the head part 1, the flange plate 2 and the tail part 3 are formed into the socket main body part by injection molding and integrated molding, the opposite socket component and the socket main body part are respectively installed, the opposite socket component is welded on a circuit board, the opposite socket component can be vertically covered on the upper part of an inner plug together with the circuit board and fixed, the circuit communication of the electric equipment and the connector is realized, and the plug and the socket do not need to be welded and fixed, so that the production cost is reduced, the failure rate is reduced, and the production efficiency is improved.

Referring to fig. 1, 8 and 9, in the preferred embodiment, the inner pin 3a of the tail portion is vertically upward, the pair of socket assemblies 4 includes a socket body 14 and a plurality of copper pillars 15, a plurality of through holes 16 are formed in the socket body, the copper pillars are vertically embedded in the through holes, the lower ends of the copper pillars are provided with the insertion holes 4a, and the upper ends of the copper pillars are provided with the solder pins 4 b. It should be noted that to facilitate the soldering of a copper pillar having a larger size to a circuit board, a copper pillar is divided into a plurality of smaller solder tails to facilitate the soldering.

Referring to the preferred embodiment shown in fig. 1 to 6, the head includes a barrel-shaped outer sleeve 1b, a cylindrical core column 1c, one end of the core column and one end of the outer sleeve are connected with the flange 2, the core column is located in the middle, the outer sleeve is sleeved outside the core column and keeps a barrel-shaped gap with the core column, which allows the outer ring of the plug to be inserted, the shielding cover 7 is covered on the outer side wall of the core column, a plurality of blind holes are arranged in the core column, and the outer pins 1a are arranged in the blind holes. It should be noted that the automobile charging plug also has an outer sleeve and a jack, the outer sleeve of the plug is inserted into the gap of the utility model, and the jack of the plug is inserted into the outer plug pin of the utility model to transmit electric energy. It should be noted that the external pins of the present invention further include external signal pins, where the icon 1a in the drawing refers to an external strong power pin for transmitting power, and the icon 1d refers to an external signal pin for transmitting signal; the internal pins also include an internal signal pin, which is indicated by the reference numeral 3a and 3b in the drawings as internal power pins for transmitting power and signals. The external strong current pin is correspondingly connected with the internal strong current pin, and the external signal pin is correspondingly connected with the internal signal pin. Referring to fig. 8 and 9, the copper pillars further include signal copper pillars, and in the drawings, a strong electric copper pillar for transmitting electric power is indicated by a reference numeral 15, and a signal copper pillar is indicated by a reference numeral 19.

Referring to fig. 1, 2 and 7, in the preferred embodiment, a shield shell fragment 7a extends from each side of the shield 7, and the shield shell fragment extends through the flange 2 to the direction of the tail 3; when the flange 2 is connected with the shell, the elastic sheet of the shielding cover is in elastic contact with the metal shell. The contact part of the shell and the elastic sheet of the shielding case can not be painted, so that the electric contact is good. The periphery that lies in the afterbody when the shield cover shell fragment is worn out ring flange 2, if the diameter of afterbody is less, the afterbody can set up the boss of a uplift in shield cover shell fragment below to provide the support to the shield cover shell fragment, let shield cover shell fragment and casing pressure enough, the contact is good.

Referring to the preferred embodiment shown in fig. 1 and 7, the side walls of the shield 7 are provided with a plurality of outwardly flared tongues 7b stamped from the shield and resiliently urged into contact with the metal ferrule when the ferrule of the plug is inserted. By means of the structure, the shell of the powered device, the socket, the plug and the shielding layer of the charging cable of the charging device (which can be a vehicle-mounted charger) are completely connected.

In order to stabilize the shield, a component for fixing the shield is added in the preferred embodiment. Referring to fig. 2, a plurality of shield positioning ribs 11 are erected around the shield at the bottom of the gap, a shield mounting groove is formed between the shield positioning ribs and the outer side wall of the core column 1c, and the shield 7 is inserted into the shield mounting groove.

In order to further stabilize the shielding cover 7, four grooves 24 are arranged at the edge of the end face of the core column, and four inward-rolling hand grips 25 extend out of the top end of the shielding cover 7. After the shield can 7 is fitted, the hand grip 25 grips into the groove 24 to fix the shield can 7. For balancing, four recesses 24 are provided on the four sides of the end surface of the stem, and four fingers 25 are also provided on the four sides of the top end of the shielding cage 7. The hand grip 25 is punched and folded from the shield case 7. In the preferred embodiment, shield positioning ribs 22 are provided between the flange 2 and the head 1, and 8 shield positioning ribs are separated to form rectangular through holes. The shield cover bottom is the rodent form, and its protruding portion 23 inserts the rectangle via hole, and its depressed part holds shield cover location protruding muscle 22 for the shield cover bottom meshes with shield cover location protruding muscle 22, with this firm shield cover.

In the preferred embodiment, the cross section of the outer sleeve 1b is rectangular, and the outer side wall of the outer sleeve is provided with a strip-shaped fool-proof rib 5. Referring to the preferred embodiment shown in fig. 1-6, the number of fool-proof ribs 5 provided on each of the outer sidewalls of the outer sleeve is different so that only a correct orientation is selected for insertion of the plug into the receptacle. The outer side wall of the outer sleeve is provided with a primary hanging platform 8 and a secondary hanging platform 9 which are obliquely and upwards bulged; the first-stage hanging table and the second-stage hanging table are arranged in the front and back direction of the axis of the outer sleeve and used for hanging hooks on the plug. The outer plug is provided with a hook, and when the plug is inserted, the hook and the first-stage hanging table and the second-stage hanging table on the outer sleeve can be hooked to avoid the loosening of the plug. The two-stage hanging table is designed to prevent the plug from directly withdrawing, and has the function of delaying secondary interlocking. And guide convex ribs 18 are arranged on two sides of the primary hanging table 8 and the secondary hanging table 9 and play a role in guiding the insertion of a plug.

Referring to the preferred embodiment shown in fig. 1 to 6, the cross section of the flange 2 is rectangular, and mounting holes are formed at four corners of the flange, and annular knurled screw sleeves 10 are embedded in the mounting holes. The flange is made of plastic and the mounting holes of the flange 2 are easily ground when the flange contacts with the screws made of metal, so in the preferred embodiment, the knurled screw sleeves 10 are embedded in the mounting holes to increase the strength of the flange 2.

Referring to fig. 1 and 3, in the preferred embodiment, an annular sealing ring installation groove is formed in a surface of the flange 2 facing the casing, and a sealing ring 13 is arranged in the sealing ring installation groove. After the screw is tightened, the socket and the shell can be sealed, and a good waterproof and dustproof effect can be achieved. The sealing ring and the sealing ring mounting groove are assembled in an interference fit mode.

Referring to fig. 3, which shows a preferred embodiment, the flange 2 is provided with at least two positioning posts 17 on a side facing the casing. Also have corresponding locating hole on the casing, guarantee the mounted position tolerance of socket, realize the installation locate function, the positioning accuracy of participating in convenient and jack is convenient for install fast. The positioning post 17 and the socket are also integrally injection molded.

Referring to fig. 8 and 9, in the preferred embodiment, at least two positioning posts 17 are disposed on a surface of the pair of socket bodies 14 facing the circuit board 21. The circuit board 21 is also provided with corresponding positioning holes, so that the positioning precision of the socket body can be improved during installation, and the quick installation is facilitated. The positioning column 17 and the socket body are also integrally formed by injection molding.

In the preferred embodiment, the head portion 1, the flange 2 and the tail portion 3 are integrally formed by plastic injection molding. Because integral type injection moulding has reduced the part kind, no longer the manual work carries out the forceful electric power and participates in and the packing into of participating in of signal, has improved assembly rate, has reduced the cost of labor, has improved production efficiency simultaneously.

The utility model also discloses a vehicle-mounted charger which comprises a casing 20 and a circuit board 21 in the casing, wherein the casing and the circuit board are connected with the cable-free welding-free shielding socket.

Reference throughout this specification to "preferred embodiments," "preferred embodiments," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment described generally in this application. The appearances of the same phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is submitted that it is within the scope of the utility model to effect such feature, structure, or characteristic in connection with other embodiments; although the utility model has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this disclosure. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure and claims of this application. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.

Claims (10)

1. The utility model provides a shielded jack that no welded is exempted from to cable which characterized in that: comprises a head (1), a flange (2), a tail (3) and a pair of socket components (4),

the head part is exposed outside the shell, and the center of the head part is provided with a plurality of outer pins (1 a) which can be inserted with an external plug;

the flange plate can be fixedly connected with the shell (20);

the tail part is provided with a plurality of inner pins (3 a) which are inserted into the socket assembly;

one end of the socket component is provided with a plurality of jacks (4 a) inserted with the inner pins, the other end of the socket component is provided with a plurality of welding pins (4 b) welded with a circuit board (21) in the shell, and the jacks and the welding pins are electrically connected through copper bars;

the outer pin (1 a) and the inner pin (3 a) are electrically connected through a copper bar, and the outer pin and the welding pins are arranged at 90 degrees;

the head part surrounds a barrel-shaped shielding cover (7) in the middle, and the shielding cover is connected with the machine shell and connected with a shielding piece of the plug when the plug is inserted.

2. A cableless, solderless, shielded jack as claimed in claim 1 wherein: interior participate in (3 a) of afterbody vertically upwards, including socket ontology (14) and a plurality of copper post (15) to socket subassembly (4), the internal a plurality of through-holes (16) that set up of socket, the copper post is vertical inlays in the through-hole, and the copper post lower extreme sets up jack (4 a), copper post upper end sets up leg (4 b).

3. The cableless solderless shielded jack of claim 2 wherein: the head includes tubbiness overcoat (1 b), columnar stem (1 c), the one end and ring flange (2) of stem and overcoat are linked together, and the stem is located the middle part, and overcoat cover is in the stem outside and be protected a tubbiness with the stem and allow the outer lane male space of plug, shield (7) cladding is on the lateral wall of stem, be equipped with a plurality of blind holes in the stem, set up in the blind hole participate in (1 a) outward.

4. A cableless solderless shielded jack as claimed in claim 3 wherein: two sides of the shielding cover (7) extend out of a shielding cover elastic sheet (7 a) respectively, and the shielding cover elastic sheets penetrate through the flange plate (2) and extend to the tail part (3) direction; when the flange plate (2) is connected with the shell, the elastic sheet of the shielding cover is elastically contacted with the metal shell.

5. The cableless solderless shielded jack of claim 4 wherein: be equipped with polylith tongue piece (7 b) that outwards opens on shield cover (7) lateral wall, the tongue piece is formed by the last punching press of shield cover, with the outer lane suppress contact of metal when the outer lane of plug inserts.

6. The cableless solderless shielded jack of claim 5 wherein: the bottom in space erects a plurality of shield cover location protruding muscle (11) around the shield cover, forms the shield cover mounting groove between the lateral wall of shield cover location protruding muscle and stem (1 c), shield cover (7) are inserted in the shield cover mounting groove.

7. A cableless solderless shielded jack as claimed in claim 3 wherein: the cross section of the outer sleeve (1 b) is rectangular, and the outer side wall of the outer sleeve is provided with a strip-shaped fool-proof rib (5); a primary hanging platform (8) and a secondary hanging platform (9) which are inclined and bulged upwards are arranged on the outer side wall of the outer sleeve; the first-stage hanging table and the second-stage hanging table are arranged in the front and back direction of the axis of the outer sleeve and used for hanging hooks on the plug.

8. A cableless solderless shielded jack as claimed in claim 1 wherein: the cross section of the flange plate (2) is rectangular, mounting holes are formed in four corners of the flange plate, and annular knurled screw sleeves (10) are embedded in the mounting holes; the one side of ring flange (2) towards the casing is equipped with an annular sealing washer mounting groove, is equipped with sealing washer (13) in the sealing washer mounting groove.

9. A cableless solderless shielded jack as claimed in claim 1 wherein: the head (1), the flange plate (2) and the tail (3) are integrally formed by plastic injection molding.

10. The utility model provides a vehicle-mounted charger, includes casing (20) and inside circuit board (21) of casing, its characterized in that: the cabinet and the circuit board are connected with the cable-free soldering-free shielding socket of any one of claims 1 to 9.

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