CN211829359U

CN211829359U - USB joint

Info

Publication number: CN211829359U
Application number: CN202020297534.6U
Authority: CN
Inventors: 华浩驰
Original assignee: Ningbo Xintai Electric Co ltd
Current assignee: Ningbo Xintai Electric Co ltd
Priority date: 2020-03-11
Filing date: 2020-03-11
Publication date: 2020-10-30
Anticipated expiration: 2030-03-11

Abstract

The utility model relates to a USB joint, which comprises a shell and a dustproof plug arranged at one end of the shell, wherein one end of the shell, which is close to the dustproof plug, is integrally provided with an installation ring plate, one end of the installation ring plate, which is far away from the shell, is integrally provided with a clamping bulge, the dustproof plug comprises an end cover and a clamping ring block which is integrally arranged on the end cover and is in interference fit with the periphery of the clamping bulge, spacing ring piece and the connecting block of connecting spacing ring piece and end cover, the periphery of installation crown plate is provided with the spread groove that supplies the connecting block to wear to establish, spacing ring piece and installation crown plate are kept away from the mutual butt in bellied one side of joint and are overlapped and locate on the casing, the both ends that just are located the spread groove on the installation crown plate are provided with the enhancement post of wearing to locate in the spacing ring piece, one side an organic whole that the installation crown plate was kept away from to the spacing ring piece is provided with the boss in same straight line with the connecting block, the mutual butt of lateral wall of boss and casing. The utility model discloses have the USB interface in the use, the effect that dust-proof shutoff also can be connected on the USB joint and need not to pull down.

Description

USB joint

Technical Field

The utility model belongs to the technical field of the technique of storage battery car accessory and specifically relates to a USB connects.

Background

Along with the popularization and the development of smart mobile phones, in order to conveniently charge a car owner, interfaces for charging mobile phones appear on more and more storage battery cars, and because one end of the existing data line is usually connected with an external power supply through a USB interface, the USB connector with the USB interface is also designed and adopted for the mobile phone charging interface on the storage battery car.

The battery car is exposed outdoors for a long time, so that dust or rainwater enters the USB joint, the problems of rapid aging of the USB interface, rusting of contacts, poor contact and the like are caused if the battery car is light, and the circuit module supplying power to the USB interface is burnt due to short circuit of the USB interface if the battery car is heavy.

As shown in fig. 1, the USB joint on the current storage battery car usually adopts dustproof shutoff 1 to protect USB interface 2 department, and dustproof shutoff 1 usually adopts rubber etc. to have elastic material to make, installs the end cap in USB interface 2 through the elastic force that deformation produced, forms the effect similar to interference fit, avoids dustproof shutoff 1 to break away from USB interface 2 when guaranteeing the leakproofness.

The above prior art solutions have the following drawbacks: adopt this kind of cooperation mode to assemble dustproof shutoff still need accomodate dustproof shutoff alone when taking off to charge, very easily with dustproof shutoff loss.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a USB joint, dust-proof shutoff also can connect on the USB joint and need not to pull down in the USB interface use to the not enough of prior art existence.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a USB connector comprises a shell and a dustproof plug arranged at one end of the shell, wherein a circuit board and a cavity for installing a USB interface are arranged in the shell, an installation ring plate is integrally arranged at one end, close to the dustproof plug, of the shell, a clamping bulge is integrally arranged at one end, far away from the shell, of the installation ring plate, and a charging port for displaying the USB interface is formed in the clamping bulge;

the dustproof plugging device comprises an end cover, a clamping ring block, a limiting ring block and a connecting block, wherein the clamping ring block and the limiting ring block are integrally arranged on the end cover and are in interference fit with the circumferential direction of a clamping protrusion, the connecting block is used for connecting the limiting ring block and the end cover, the circumferential direction of an installation ring plate is provided with a connecting groove for the connecting block to penetrate through, the limiting ring block and the installation ring plate are abutted against each other and sleeved on a shell, one side, far away from the installation ring plate, of the limiting ring block is provided with a reinforcing column penetrating through the limiting ring block, one side, far away from the installation ring plate, of the limiting ring block is integrally provided with a reinforcing block which is arranged on the same straight line with the connecting.

Through adopting above-mentioned technical scheme, keep away from the mutual butt in the bellied one side of joint through spacing ring piece and installation ring board, the mode that the enhancement post wore to locate in the spacing ring piece has carried out fixed relatively connection to spacing ring piece and installation ring board in addition, and set up through the connecting block makes the end cover carry out fixed connection each other with spacing ring piece all the time, and the end cover is when outwards turning out, guarantee the joint strength of spacing ring piece and installation ring board when the end cover outwards turns out through the mutual butt of the lateral wall of boss all the time with the casing, thereby realize that the end cover can't break away from with the USB joint all the time, and then make the in-process of using the USB interface need not accomodate dustproof shutoff alone, make dustproof shutoff unable loss.

The present invention may be further configured in a preferred embodiment as: the shell is characterized in that two limiting planes are symmetrically arranged on the outer side of the shell, elastic clamping pieces are arranged on the limiting planes, and abutting surfaces which are mutually abutted to the limiting planes are arranged on the limiting ring blocks.

Through adopting above-mentioned technical scheme, through spacing plane and the mutual butt of butt face for further carry on spacingly to the spacing ring piece, improved the circumference restriction effect of spacing ring piece, make the spacing ring piece be difficult to take place relative rotation with the casing, and then improve the joint strength between dustproof shutoff and the USB joint.

The present invention may be further configured in a preferred embodiment as: the elasticity fastener includes connecting portion and joint portion, the one end an organic whole of connecting portion sets up on the casing and connecting portion constantly keep away from the casing along its extending direction, joint portion an organic whole sets up in connecting portion keeps away from the one end that is connected with the casing, joint portion constantly is close to the casing along its extending direction, be provided with a plurality of draw-in grooves along its extending direction array in the joint portion.

Through adopting above-mentioned technical scheme, the setting up of elasticity fastener makes the USB connect can install to the electric motor car on the mounting hole that corresponds, make joint portion drive power that outwards popped all the time when the pressurized through setting up of connecting portion, and then guarantee that the draw-in groove can take place the butt with the mounting hole department of electric motor car all the time, thereby realize that the USB connects and can fix with the electric motor car all the time, and then make spacing ring piece inequality normal USB connect the opposite side take place the drunkenness, thereby further improve the joint strength of dustproof shutoff, make dustproof shutoff unable and USB connect the emergence to break away from.

The present invention may be further configured in a preferred embodiment as: the one end that dustproof shutoff was kept away from to the casing is provided with the installing port of power supply circuit board installation, wear to establish the groove along the both sides that the direction was provided with the power supply circuit board of wearing to establish on the inside wall of casing, it still is provided with along the circuit board direction of wearing to establish on the inside wall of casing and blocks the piece, block the piece and set up in the one side that the groove was kept away from to the circuit board.

Through adopting above-mentioned technical scheme, realize spacing relatively through the setting of wearing to establish the groove and block the piece to the circuit board in the casing, make the circuit board can't take place the drunkenness in the casing, and then improve the holistic structural strength of USB joint, reduce the range that USB joint took place the drunkenness, improve the fixed effect of elasticity fastener to further improve the joint strength of dustproof shutoff.

The present invention may be further configured in a preferred embodiment as: a plurality of limiting blocks are arranged on one side, close to the cavity of the shell, of the clamping protrusion along the periphery of the charging port.

Through adopting above-mentioned technical scheme, the setting of stopper has played spacing effect to the USB interface, further improved the fixed strength between casing inside components and the casing with wearing to establish the groove and block that the piece is mutually supported, further reduce the range that takes place the drunkenness to further improve the joint strength of dustproof shutoff.

The present invention may be further configured in a preferred embodiment as: the utility model discloses a novel electronic device, including casing, installation department, back lid, elastic buckle, back lid, be provided with the joint groove that supplies elastic buckle joint on the inside wall of casing, the diameter of back lid is less than or equal to the diameter of the inside wall of casing.

Through adopting above-mentioned technical scheme, the setting of back lid is convenient on the one hand to install and fix the inside subassembly of casing, and the setting of mutually supporting through elasticity buckle and joint groove has realized relative fixed connection with back lid and casing simultaneously, has played spacing effect to the inside subassembly of casing, conveniently assembles the USB joint.

The present invention may be further configured in a preferred embodiment as: and a guide surface opposite to the mounting direction of the rear cover is arranged on the inner side wall of the shell and positioned at the mounting opening.

Through adopting above-mentioned technical scheme, the setting up of spigot surface has made things convenient for and has assembled each other between lid and the casing after, and the elasticity buckle takes place deformation more easily under the effect of spigot surface, has improved the assembly efficiency of lid after.

The present invention may be further configured in a preferred embodiment as: the one end that dustproof shutoff was kept away from to the casing is provided with the rear end cap, the rear end cap including with the fixed part of the lateral wall looks butt of casing, the one end circumference that dustproof shutoff was kept away from to the casing is provided with the installation annular that the fixed part that supplies the rear end cap wore to establish.

Through adopting above-mentioned technical scheme, the setting up of rear end cap has improved the joint strength between rear cover and the casing to the gap between rear cover and the casing has carried out the shutoff, has improved the inside leakproofness of casing.

The present invention may be further configured in a preferred embodiment as: the installation ring plate is provided with a clamping block which is abutted against the outer peripheral wall of the clamping ring block, the clamping block is provided with an arc-shaped block which is arranged in the clamping ring block in a penetrating mode, and the clamping ring block is provided with an arc-shaped groove for the arc-shaped block to penetrate.

Through adopting above-mentioned technical scheme, wear to locate setting up in the arc wall through the arc piece and carried out the progress to joint ring piece and the joint strength between the installation crown plate and injectd, the resistance when further having improved joint ring piece and joint and taking place relative motion between protruding has improved dustproof shutoff and the joint strength that USB connects when blockking up the USB interface.

The present invention may be further configured in a preferred embodiment as: and the clamping block is provided with a guide surface opposite to the installation direction of the clamping ring block.

Through adopting above-mentioned technical scheme, the setting up of guide face is convenient packs the joint ring piece into between fixture block and the joint arch, has improved the installation effectiveness of end cover.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the end cover can not be separated from the USB connector all the time, so that the dustproof plug is not required to be separately stored in the process of using the USB interface, and the dustproof plug can not be lost;

2. the circuit board cannot move in the shell, so that the overall structural strength of the USB connector is improved, the moving amplitude of the USB connector is reduced, the fixing effect of the elastic clamping piece is improved, and the connection strength of the dustproof plug is further improved;

3. the rear end cover improves the connection strength between the rear cover and the shell, seals a gap between the rear cover and the shell, and improves the sealing property inside the shell.

Drawings

Fig. 1 is a schematic structural diagram of a dust plug in the prior art.

Fig. 2 is a schematic structural diagram of the USB connector in embodiment 1.

Fig. 3 is an exploded view of the USB connector in embodiment 1.

Fig. 4 is an exploded view of the back cover and the case in embodiment 1.

Fig. 5 is a schematic sectional view of the USB connector in embodiment 1.

Fig. 6 is an exploded view of the dust seal and the housing in example 2.

In the figure, 1, dust blocking; 2. a USB interface; 3. a housing; 4. a rear end cap; 31. a limiting plane; 5. the elastic clamping piece; 6. a circuit board; 7. an electric wire; 32. installing a ring plate; 33. clamping the bulges; 34. a charging port; 11. an end cap; 12. clamping a ring block; 13. a limit ring block; 14. connecting blocks; 35. connecting grooves; 36. a reinforcement column; 15. a reinforcing block; 37. an abutting surface; 16. an installation port; 17. a groove is arranged in a penetrating way; 18. a blocking block; 19. a limiting block; 8. a rear cover; 81. elastic buckle; 110. a clamping groove; 111. a guide surface; 41. a fixed part; 112. mounting a ring groove; 51. a connecting portion; 52. a clamping part; 53. a card slot; 9. a clamping block; 91. an arc-shaped block; 92. an arc-shaped slot; 93. a guide surface.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example 1:

referring to fig. 2 and 3, for the utility model discloses a USB connects, it includes casing 3, set up in dustproof shutoff 1 of 3 one ends of casing, set up in the rear end cap 4 of the 3 other ends of casing, the outside symmetry of casing 3 is provided with two spacing planes 31, just be provided with on the casing 3 and be used for all being provided with on the spacing plane 31 and carry out the elasticity fastener 5 fixed with the external world, be provided with the cavity that supplies circuit board 6 and USB interface 2 installation in the casing 3, be connected with electric wire 7 on the circuit board 6, and during electric wire 7 wears to establish out the USB and connects from one side of rear end cap 4, electric wire 7 is used for being connected with the power in the electric motor car. The arrangement of the dustproof plug 1 and the rear end cover 4 has a sealing effect on the cavity inside the shell 3, so that dust, rainwater and the like cannot enter the cavity inside the shell 3.

The one end an organic whole that casing 3 is close to dustproof shutoff 1 is provided with installation ring plate 32, and the one end an organic whole that casing 3 was kept away from to installation ring plate 32 is provided with joint arch 33, is provided with the mouth 34 that charges that supplies the show of USB interface 2 on the joint arch 33, and installation ring plate 32 is the step face setting with casing 3 is direct relatively, also is the step face setting relatively between joint arch 33 and the installation ring plate 32.

Dustproof shutoff 1 includes end cover 11, an organic whole sets up on end cover 11 and interference fit and the protruding 33 outer circumference of joint ring piece 12, set up in installation crown plate 32 keep away from the protruding 33 one side of joint and with the spacing ring piece 13 of the mutual butt of installation crown plate 32 and the connecting block 14 of connecting spacing ring piece 13 and end cover 11, the periphery of installation crown plate 32 is provided with the spread groove 35 that supplies connecting block 14 to wear to establish, spacing ring piece 13 cover is located on casing 3.

In order to improve the connection strength between the limit ring block 13 and the shell 3 as well as between the limit ring block 13 and the mounting ring plate 32 and avoid mutual separation between the limit ring block 13 and the shell 3 as well as between the limit ring block and the mounting ring plate 32 in use, the reinforcing columns 36 penetrating through the limit ring block 13 are integrally arranged on the mounting ring plate 32 and positioned at two ends of the connecting groove 35 and the mounting ring plate 32; a reinforcing block 15 which is in the same straight line with the connecting block 14 is integrally arranged on one side, away from the mounting ring plate 32, of the limiting ring block 13, and the reinforcing block 15 is abutted against the outer side wall of the shell 3; the limit ring block 13 is provided with a contact surface 37 which is contacted with the limit plane 31, and the circumferential direction of the limit ring block 13 is limited through the mutual contact of the contact surface 37 and the limit plane 31, the arrangement of the reinforcing column 36 and the mutual matching of the connecting block 14 which is arranged in the connecting groove 35 in a penetrating way.

Referring to fig. 3 and 4, one end of the housing 3 away from the dustproof plug 1 is provided with a mounting hole 16 for installing a power supply circuit board 6 and a USB interface 2, a through groove 17 is formed in the inner side wall of the housing 3 along the direction of the circuit board 6, the two sides of the power supply circuit board 6 are provided with a through groove 17, a blocking block 18 is further integrally arranged on the inner side wall of the housing 3 along the direction of the circuit board 6, the blocking block 18 is arranged on one side of the circuit board 6 away from the through groove 17, the blocking block 18 is matched with the through groove 17 to limit the circuit board 6, attention is required to be paid, the blocking block 18 can be abutted against the circuit board 6, gaps can be reserved between the blocking block 18, and the connection strength between the circuit board 6 and the housing 3 is enhanced by injecting insulating glue such as glass glue into.

Referring to fig. 5, in order to also realize relatively fixed to USB interface 2, the protruding 33 one side of cavity that is close to casing 3 of joint is provided with a plurality of stoppers 19 along charging mouthful 34 all around with joint arch 33 an organic whole, and is the same, stopper 19 can with USB interface 2 carry out mutual butt all around, also can reserve some clearances, strengthen USB interface 2's fixed strength through injecting insulating cement such as glass cement in the clearance.

Referring to fig. 3 and 4, on the casing 3 and being located the mounting hole 16 and being provided with the back lid 8, an organic whole is provided with the elastic buckle 81 on the back lid 8, is provided with the joint groove 110 that supplies the elastic buckle 81 joint on the inside wall of casing 3, and joint groove 110 is for running through the groove, can realize breaking away from each other of elastic buckle 81 and joint groove 110 through pushing up the elastic buckle 81 in the outside at casing 3 to realize breaking away from each other between back lid 8 and the casing 3.

In order to facilitate the assembly between the rear cover 8 and the housing 3, the diameter of the rear cover 8 is smaller than or equal to the diameter of the inner side wall of the housing 3, and in the present embodiment, the diameter of the rear cover 8 is preferably smaller than the diameter of the inner side wall of the housing 3. A guide surface 111 opposite to the mounting direction of the rear cover 8 is disposed on the inner side wall of the housing 3 and located at the mounting opening 16, and a connection line between the guide surface 111 and the clamping groove 110 is the same as the extending direction of the housing 3 in this embodiment.

Referring to fig. 3, the rear end cap 4 includes a fixing portion 41 abutting against an outer side wall of the housing 3, an installation ring groove 112 for the fixing portion 41 of the rear end cap 4 to penetrate is circumferentially provided at an end of the housing 3 away from the dustproof plug 1, and the fixing portion 41 and the housing 3 are relatively fixed in an interference fit manner.

Referring to fig. 3 and 5, the elastic clip 5 includes a connecting portion 51 and a clamping portion 52, one end of the connecting portion 51 is integrally disposed on the housing 3, and the connecting portion 51 is continuously away from the housing 3 along the extending direction thereof, the clamping portion 52 is integrally disposed on the connecting portion 51 and is far away from the end connected with the housing 3, the clamping portion 52 is continuously close to the housing 3 along the extending direction thereof, a plurality of clamping grooves 53 are disposed on the clamping portion 52 along the extending direction thereof, the clamping grooves 53 are right-angled grooves in the present embodiment, and the extending direction of the connecting portion 51 and the clamping portion 52 are all extended to one side close to the mounting ring plate 32.

In this embodiment, the rear cover 8 and the housing 3 are preferably made of plastic, and the dust plug 1 and the rear cover 114 are preferably made of rubber.

The implementation principle of the embodiment is as follows: set up in one side that the joint is protruding 33 is kept away from to installation crown plate 32 through spacing ring piece 13, the setting of spacing ring piece 13 and the combined action of the mutual butt of spacing plane 31 and butt face 37 are worn to locate by reinforcing post 36, spacing ring piece 13 has carried out spacing relatively, and through the setting of connecting end cover 11 with the connecting block 14 of spacing ring piece 13, make end cover 11 unable and spacing ring piece 13 take place to separate, thereby realize dustproof shutoff 1 all the time with be connected of casing 3, simultaneously through reinforcing post 36 and the enhancement of boss 15, make connecting block 14 open at end cover 11 and take place under the condition of deformation, further improve the structural strength of spacing ring piece 13, thereby guarantee that dustproof shutoff 1 can't take place to break away from each other between the casing 3 all the time.

Example 2:

referring to fig. 6, the difference between this embodiment and embodiment 1 lies in that a fixture block 9 abutted against the outer peripheral wall of the snap ring block 12 is disposed on the mounting ring plate 32, an arc block 91 penetrating through the snap ring block 12 is integrally disposed on the fixture block 9, an arc groove 92 for the arc block 91 to penetrate through is disposed on the snap ring block 12, and a guide surface 93 opposite to the mounting direction of the snap ring block 12 is disposed on the fixture block 9. The fixing strength between the clamping ring block 12 and the clamping protrusion 33 is further improved through the action of the clamping block 9, so that the sealing performance between the dustproof plug 1 and the shell 3 is improved.

In this embodiment, the two blocks 9 are disposed, and are symmetrically disposed with respect to the connecting block 14.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a USB connects, includes casing (3) and sets up in dustproof shutoff (1) of casing (3) one end, be provided with the cavity that supplies circuit board (6) and USB interface (2) installation in casing (3), its characterized in that: an installation ring plate (32) is integrally arranged at one end, close to the dustproof sealing plug (1), of the shell (3), a clamping protrusion (33) is integrally arranged at one end, far away from the shell (3), of the installation ring plate (32), and a charging port (34) for displaying the USB interface (2) is arranged on the clamping protrusion (33);

the dustproof sealing plug (1) comprises an end cover (11), a clamping ring block (12) which is integrally arranged on the end cover (11) and is in interference fit with the outer circumference of a clamping bulge (33), a limiting ring block (13) and a connecting block (14) for connecting the limiting ring block (13) and the end cover (11), the periphery of the mounting ring plate (32) is provided with a connecting groove (35) for the connecting block (14) to penetrate through, the side of the limiting ring block (13) far away from the clamping bulge (33) and the side of the mounting ring plate (32) are mutually abutted and sleeved on the shell (3), reinforcing columns (15) which are arranged in the limiting ring blocks (13) in a penetrating way are arranged at the two ends of the connecting groove (35) on the mounting ring plate (32), one side of the limiting ring block (13) far away from the mounting ring plate (32) is integrally provided with a reinforcing block (36) which is in the same straight line with the connecting block (14), and the reinforcing block (36) is mutually abutted with the outer side wall of the shell (3).

2. A USB connector according to claim 1, wherein: the outside symmetry of casing (3) is provided with two spacing planes (31), all be provided with elasticity fastener (5) on spacing plane (31), be provided with on spacing ring piece (13) with spacing plane (31) butt face (37) of mutual butt.

3. A USB connector according to claim 2, wherein: elasticity fastener (5) include connecting portion (51) and joint portion (52), the one end an organic whole of connecting portion (51) sets up on casing (3) and connecting portion (51) constantly keep away from casing (3) along its extending direction, joint portion (52) an organic whole sets up in connecting portion (51) and keeps away from the one end that is connected with casing (3), joint portion (52) constantly are close to casing (3) along its extending direction, be provided with a plurality of draw-in grooves (53) along its extending direction array on joint portion (52).

4. A USB connector according to claim 3, wherein: the one end that dustproof shutoff (1) was kept away from in casing (3) is provided with installing port (16) of power supply circuit board (6) installation, wear to establish wearing to establish groove (17) that the direction was provided with the both sides of power supply circuit board (6) along circuit board (6) on the inside wall of casing (3), it still is provided with along circuit board (6) direction of wearing to establish on the inside wall of casing (3) and blocks piece (18), block piece (18) and set up in one side that wearing to establish groove (17) was kept away from in circuit board (6).

5. A USB connector according to claim 4, wherein: a plurality of limiting blocks (19) are arranged on one side, close to the cavity of the shell (3), of the clamping protrusion (33) along the periphery of the charging port (34).

6. A USB connector according to claim 4, wherein: the utility model discloses a novel plastic packaging box, including casing (3), just be located installing port (16) department on casing (3) and be provided with back lid (8), an organic whole is provided with elasticity buckle (81) on back lid (8), be provided with joint groove (110) that supply elasticity buckle (81) joint on the inside wall of casing (3), the diameter of back lid (8) is less than or equal to the diameter of the inside wall of casing (3).

7. A USB connector according to claim 6, wherein: and a guide surface (111) opposite to the mounting direction of the rear cover (8) is arranged on the inner side wall of the shell (3) and positioned at the mounting opening (16).

8. A USB connector according to claim 6, wherein: the one end that dustproof shutoff (1) was kept away from in casing (3) is provided with rear end cap (4), rear end cap (4) including with the fixed part (41) of the lateral wall looks butt of casing (3), the one end circumference that dustproof shutoff (1) was kept away from in casing (3) is provided with installation annular (112) that fixed part (41) of confession rear end cap (4) were worn to establish.

9. A USB connector according to claim 1, wherein: the clamping block (9) which is mutually abutted to the outer peripheral wall of the clamping ring block (12) is arranged on the mounting ring plate (32), the arc block (91) penetrating through the clamping ring block (12) is arranged on the clamping block (9), and an arc groove (92) for the arc block (91) to penetrate through is arranged on the clamping ring block (12).

10. A USB connector according to claim 9, wherein: and the clamping block (9) is provided with a guide surface (93) opposite to the installation direction of the clamping ring block (12).