CN113594761B - Waterproof connector - Google Patents
Waterproof connector Download PDFInfo
- Publication number
- CN113594761B CN113594761B CN202110951340.2A CN202110951340A CN113594761B CN 113594761 B CN113594761 B CN 113594761B CN 202110951340 A CN202110951340 A CN 202110951340A CN 113594761 B CN113594761 B CN 113594761B
- Authority
- CN
- China
- Prior art keywords
- rubber core
- sealing
- casing
- open end
- shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000007789 sealing Methods 0.000 claims abstract description 96
- 230000002708 enhancing effect Effects 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000004026 adhesive bonding Methods 0.000 abstract description 11
- 239000003292 glue Substances 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 9
- 238000003466 welding Methods 0.000 abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 230000002349 favourable effect Effects 0.000 description 10
- 241000463219 Epitheca Species 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910001297 Zn alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/521—Sealing between contact members and housing, e.g. sealing insert
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/5219—Sealing means between coupling parts, e.g. interfacial seal
Abstract
The utility model relates to an electromechanical element's technical field especially relates to a waterproof connector, and it includes gluey core and casing, the one end of gluing the core sets up to the link, the other end of gluing the core sets up to the access end, first uncovered end and the uncovered end of second have been seted up respectively at the both ends of casing, glue the core with the casing is pegged graft, the link with first uncovered end is linked together, the access end with the uncovered end of second is linked together, glue the core be provided with be used for with the fixed subassembly that the casing is fixed mutually, the outside of the uncovered end of casing is provided with many welding feet, the uncovered end of second of casing is provided with the sealing component that is used for waterproof seal. The waterproof effect of the electric connector is improved.
Description
Technical Field
The present application relates to the field of electromechanical components, and in particular, to a waterproof connector.
Background
An electrical connector is a common electronic device for realizing a current and/or signal transmission function through contact of connection terminals, and a common interface of the electrical connector is Type-C. The Type-C is a connection interface of the USB interface, which is not different from the front and back, and can be inserted into both sides, and the Type-C supports functions of charging, data transmission, display output and the like of the USB standard as other interfaces.
The current electric connector comprises a rubber core and a shell, wherein one end of the rubber core is a connecting end, the other end of the rubber core is an access end, both ends of the shell are all open, the shell is fixedly sleeved on the rubber core, and the connecting end of the rubber core is electrically connected with a circuit board. When the external electric appliance is required to be connected with a circuit board in the machine, a worker can electrically connect the Type-C plug with the access end of the rubber core, and the external electric appliance plug is electrically connected with the circuit board through the rubber core.
With respect to the above related art, the inventor believes that, because the access end of the rubber core is exposed outside the machine, when an external electric appliance is connected to the access end of the rubber core and water is carelessly scattered on the external electric appliance, water marks easily flow into the access end of the rubber core through the open end of the housing, and finally flow into the circuit board along the rubber core, and finally the circuit board burns out.
Disclosure of Invention
In order to improve the waterproof performance of the electric connector, the application provides a waterproof connector.
The application provides a waterproof connector adopts following technical scheme:
the utility model provides a waterproof connector, includes gluey core and casing, the one end of gluing the core sets up to the link, the other end of gluing the core sets up to the access end, first open end and the open end of second have been seted up respectively at the both ends of casing, glue the core with the casing is pegged graft, the link with first open end is linked together, the access end with the open end of second is linked together, glue the core be provided with be used for with the fixed subassembly of casing looks, the outside of the first open end of casing is provided with many welding feet, the open end of second of casing is provided with the seal assembly who is used for waterproof sealing.
Through adopting above-mentioned technical scheme, when needing to use the connector, the staff is earlier with the access end of gluing the core aim at the first open end of casing, then insert the core in the casing again, under fixed subassembly's effect, glue the core in the casing this moment, the staff welds the casing to the circuit board through many welding feet respectively afterwards, will have external electrical apparatus and the access end electric connection of gluing the core with Type-C plug at last, external electrical apparatus and circuit board electric connection this moment, when water spill to external electrical apparatus, and when the access end of gluing the core is flowed into along Type-C plug, under seal assembly's effect, water is difficult to flow into the access end of gluing the core this moment, and then be favorable to improving electric connector's waterproof nature.
Optionally, the sealing assembly includes a sealing ring, the housing is provided with a connecting groove based on the outer side of the second open end, and the sealing ring is sleeved on the connecting groove.
Through adopting above-mentioned technical scheme, when using the connector, the staff earlier establishes the spread groove with the sealing ring cover on, inserts the second open end of casing when Type-C plug to when the access end electric connection with the rubber core, the sealing washer supports tightly in Type-C plug this moment, and then is favorable to improving Type-C plug and rubber core access end hookup location department's leakproofness.
Optionally, the sealing ring includes first sealing portion, elastic part and second sealing portion, first sealing portion, elastic part and second sealing portion overlap respectively and locate the spread groove, elastic part set up in between first sealing portion and the second sealing portion, elastic part respectively with first sealing portion and second sealing portion are connected.
Through adopting above-mentioned technical scheme, when the second open end of Type-C plug insertion casing, type-C plug extrusion first sealing portion this moment, first sealing portion extrudees elastic component towards the direction that is close to second sealing portion, and after Type-C plug inserted, under the effect of elastic component, first sealing portion supports tight Type-C plug simultaneously, and then is favorable to improving the leakproofness of sealing washer.
Optionally, the seal assembly includes the sealing strip, the casing is based on the side is seted up and is inlayed and establish the groove in the inboard of second open end, inlay establish the groove with the second open end is linked together, the sealing strip set up in inlay and establish the inslot, the sealing strip is provided with the elastic component that is used for reinforcing deformation.
Through adopting above-mentioned technical scheme, when using the connector, the staff inserts the Type-C plug of external electrical apparatus earlier and inlays the groove, and the outside of Type-C plug compresses tightly the sealing strip this moment, under the effect of elastic component, the sealing strip supports the lateral wall of tight Type-C plug simultaneously, and then is favorable to improving the leakproofness of Type-C plug and rubber core access end hookup location department.
Optionally, the elastic component is the spring, the sealing strip is the sky setting, the spring set up in the sealing strip, the one end of spring with the sealing strip is inboard to be connected, the other end of spring is provided with the wedge, one side butt of wedge in the sealing strip is inboard.
Through adopting above-mentioned technical scheme, when Type-C plug inserts in the butt groove, type-C plug drives the wedge towards being close to the direction of inlaying the groove and remove, and the wedge compresses tightly the spring this moment, and after Type-C plug inserts, under the effect of spring, the wedge drives the sealing strip simultaneously and supports the lateral wall of tight Type-C plug, and then is favorable to improving the leakproofness of sealing strip.
Optionally, the fixed subassembly includes the connection piece, the fixed slot has been seted up to one side of gluing the core, the connection piece with the fixed slot is pegged graft, the one end of connection piece is provided with inserts the ear, the slot has been seted up to one side of gluing the core, the slot with the fixed slot is linked together, insert the ear with the slot is pegged graft, one side of connection piece is provided with the arch, the arch support tightly in the casing is inboard.
Through adopting above-mentioned technical scheme, when needs are installed the rubber core in the casing, the staff will insert the ear earlier in the slot, and the connection piece inlays and locates the fixed slot this moment, then the staff inserts the access end of rubber core in the first uncovered end of casing again, and protruding support tightly in the inner wall of casing this moment, and the rubber core is fixed in the casing, and then is favorable to improving the detachability of rubber core and casing.
Optionally, the rubber core includes epitheca, inferior valve, connecting block, first Pin group and second Pin group respectively with the connecting block is connected, the epitheca with the constant head tank has been seted up respectively to the inferior valve, the connecting block respectively with the constant head tank is pegged graft, the epitheca with one side that the inferior valve is relative is provided with the column shoe respectively, the epitheca with the column shoe has been seted up respectively to the inferior valve correspondence, the column shoe with the column shoe is pegged graft.
Through adopting above-mentioned technical scheme, when needs installation rubber core, insert the constant head tank on the lower casing earlier with the connecting block, then aim at the column groove of inferior valve with the column foot of epitheca to insert the column inslot with the column foot simultaneously, first Pin group and second Pin group are fixed in between epitheca and the inferior valve this moment, and then are favorable to improving the removability of rubber core.
Optionally, be provided with in the gum core and be used for supporting respectively first Pin foot group with the supporting component of second Pin foot group, supporting component includes the backup pad, the backup pad set up in first Pin foot group with between the second Pin foot group, the backup pad runs through and is provided with the perforation, the column foot with the perforation grafting.
Through adopting above-mentioned technical scheme, because the rigidity of first Pin foot group and second Pin foot group is not strong, when Type-C plug and the access end electric connection of gluing the core, the backup pad supports first Pin foot group and second Pin foot group simultaneously this moment, and then is favorable to improving the rigidity of first Pin foot group and second Pin foot group.
Optionally, one end of the upper shell and one end of the lower shell are respectively provided with a positioning pin.
Through adopting above-mentioned technical scheme, when needs are with electric connector connection circuit board, the staff can insert on the circuit board in advance through the locating pin earlier, welds many welding feet and circuit board respectively at last, and then is favorable to improving electric connector and circuit board connection's stability.
Optionally, the shell is provided with a limiting groove based on the first open end, and the upper shell and the lower shell are respectively abutted to the groove bottom of the limiting groove.
Through adopting above-mentioned technical scheme, when the rubber core inserts in the casing, upper shell and inferior valve butt in the tank bottom of spacing groove respectively this moment, and under bellied effect, the rubber core is fixed in the casing this moment, and then is favorable to improving the stability that the rubber core was fixed in the casing.
In summary, the present application includes the following beneficial technical effects:
when the connector is needed to be used, a worker aligns the access end of the rubber core with the first open end of the shell, then inserts the rubber core into the shell, the rubber core is abutted against the bottom of the limiting groove, meanwhile, under the action of the fixing component, the rubber core is fixed in the shell, then the worker inserts the positioning pins on the circuit board, then respectively welds a plurality of welding pins onto the circuit board, finally electrically connects an external electrical appliance with a Type-C plug with the access end of the rubber core, and electrically connects the external electrical appliance with the circuit board, when water is sprayed to the external electrical appliance and flows into the access end of the rubber core along the Type-C plug, the water is not easy to flow into the access end of the rubber core under the action of the sealing component, and the waterproof performance of the electrical connector is improved.
Drawings
Fig. 1 is a schematic view of the overall structure of a waterproof connector according to a first embodiment of the present application.
Fig. 2 is a schematic diagram illustrating connection relationships among a rubber core, a connecting piece, a housing and a sealing ring according to the first embodiment of the present application.
Fig. 3 is a schematic diagram of the overall structure of a seal ring according to the first embodiment of the present application.
Fig. 4 is a schematic diagram of connection relation among the upper shell, the lower shell and the connection block according to the first embodiment of the present application.
Fig. 5 is a partial cross-sectional view of a housing of a second embodiment of the present application.
Fig. 6 is an enlarged view of a portion a of fig. 5.
Reference numerals illustrate: 1. a rubber core; 11. a connection end; 12. an access terminal; 13. a fixing groove; 14. a slot; 2. a housing; 21. a first open end; 22. a second open end; 23. welding pins; 24. a limit groove; 25. a groove is embedded; 26. a connecting groove; 3. a seal ring; 31. a first sealing part; 32. an elastic part; 33. a second sealing part; 4. a connecting sheet; 41. inserting lugs; 42. a protrusion; 5. a connecting block; 51. an upper case; 52. a lower case; 53. the first Pin foot group; 54. the second Pin foot group; 55. a positioning groove; 56. column feet; 57. a column groove; 58. positioning feet; 6. a support plate; 61. perforating; 7. a sealing strip; 8. a spring; 9. wedge blocks.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-6.
Embodiment one:
referring to fig. 1, a waterproof connector comprises a rubber core 1 and a housing 2, wherein one end of the rubber core 1 is a connecting end 11, the other end of the rubber core 1 is an access end 12, the rubber core 1 is electrically connected with a circuit board through the connecting end 11, and the rubber core 1 is electrically connected with a Type-C plug of an external electrical appliance through the access end 12. The casing 2 is made by zinc alloy material, and casing 2 is used for protecting and glues core 1, and first open end 21 is seted up to the one end of casing 2, and second open end 22 is seted up to the other end of casing 2, glues core 1 grafting in casing 2, and glues core 1 and is provided with the fixed subassembly that is used for fixed casing 2. And when the rubber core 1 is fixed in the shell 2, the connecting end 11 of the rubber core 1 is arranged at the first open end 21 of the shell 2, and the access end 12 of the rubber core 1 is arranged at the second open end 22 of the shell 2. The outer side wall of the shell 2 close to the first open end 21 is fixedly provided with welding feet 23, the number of the welding feet 23 is four, and the four welding feet 23 are uniformly fixed on the outer side of the shell 2. A sealing assembly for a watertight seal is provided at the second open end 22 of the housing 2.
Specifically, referring to fig. 2, the sealing assembly includes a sealing ring 3, the housing 2 is provided with a connection groove 26 based on the outer side of the second open end 22, and the connection groove 26 is provided along the length direction of the housing 2. The sealing ring 3 is made of rubber material and has elasticity, the sealing ring 3 is sleeved on the outer side wall of the shell 2, and the sealing ring 3 is arranged in the connecting groove 26.
Referring to fig. 3, in order to improve sealability of the seal ring 3, the seal ring 3 includes a first seal portion 31, an elastic portion 32, and a second seal portion 33. The first sealing portion 31, the elastic portion 32 and the second sealing portion 33 are all sleeved on the outer side of the housing 2, the thickness of the first sealing portion 31 is the same as that of the second sealing portion 33, and the thickness of the elastic portion 32 is thicker than that of the first sealing portion 31 and the second sealing portion 33. The elastic portion 32 is located between the first sealing portion 31 and the second sealing portion 33, and the first sealing portion 31, the elastic portion 32 and the second sealing portion 33 are integrally formed and fixed.
When the Type-C plug of the external electrical apparatus is inserted into the second open end 22 of the housing 2, the external electrical apparatus is snack-connected with the rubber core 1, the Type-C plug presses the first sealing portion 31 in a direction close to the connecting end 11 of the rubber core 1, the first sealing portion 31 presses the elastic portion 32 in a direction close to the connecting end 11 of the rubber core 1, and the elastic portion 32 is elastically deformed. When the Type-C plug is at rest in the current position, the elastic portion 32 simultaneously back presses the first sealing portion 31 to the Type-C plug, thereby forming a sealing effect.
In particular, referring to fig. 2, the connection assembly includes a connection tab 4. The top surface and the bottom surface of the rubber core 1 are respectively provided with a fixed groove 13, and the fixed groove 13 is arranged along the thickness direction of the rubber core 1. Two connecting pieces 4 are correspondingly arranged in number, and the two connecting pieces 4 are respectively spliced with the fixing grooves 13. The two connecting pieces 4 are respectively fixed with inserting lugs 41 towards one side of the connecting end 11 of the rubber core 1, the top surface and the ground of the rubber core 1 are correspondingly provided with inserting grooves 14, the inserting grooves 14 are arranged along the thickness direction of the rubber core 1, the inserting grooves 14 are communicated with the fixing grooves 13, and the inserting lugs 41 are inserted into the inserting grooves 14. Two protrusions 42 are respectively fixed on the sides of the two connecting pieces 4 facing away from the rubber core 1.
It should be noted that, referring to fig. 2, in order to further improve the stability of the glue core 1 fixed in the housing 2, the housing 2 is provided with a limiting groove 24 based on the first open end 21, the limiting groove 24 is provided along the length direction of the housing 2, and the limiting groove 24 is communicated with the first open end 21 of the housing 2.
When the rubber core 1 needs to be fixed in the shell 2, a worker firstly inserts the inserting lugs 41 on the two connecting pieces 4 into the inserting grooves 14 respectively, and at the moment, the two connecting pieces 4 are embedded into the fixing grooves 13. Then, the worker aligns the connecting end 11 of the rubber core 1 with the first open end 21 of the housing 2, and inserts the rubber core 1 into the housing 2, and when the outer side of the rubber core 1 abuts against the bottom of the limiting groove 24, the protrusion 42 abuts against the inner wall of the housing 2, and the rubber core 1 is fixed in the housing 2.
Referring to fig. 4, to improve the removability of the rubber core 1, the rubber core 1 includes an upper case 51, a lower case 52, a connection block 5, a first Pin foot 53, and a second Pin foot 54. The connecting block 5 is in a cuboid shape, the first Pin foot group 53 and the second Pin foot group 54 are respectively used for transmitting electric signals, the first Pin foot group 53 and the second Pin foot group 54 respectively penetrate through the connecting block 5, and the first Pin foot group 53 and the second Pin foot group 54 are respectively and symmetrically arranged along the horizontal center surface of the connecting block 5. The connecting block 5 is respectively arranged between the upper shell 51 and the lower shell 52, the upper shell 51 and the lower shell 52 are respectively correspondingly provided with a positioning groove 55, the positioning grooves 55 are respectively arranged along the thickness direction of the upper shell 51 and the lower shell 52, and the top and the bottom of the connecting block 5 are respectively spliced with the two positioning grooves 55. A column base 56 is fixed on the opposite side of the upper shell 51 and the lower shell 52, a column groove 57 is correspondingly formed on the opposite side of the upper shell 51 and the lower shell 52, and the column base 56 is spliced with the column groove 57.
When the rubber core 1 needs to be installed, the worker inserts the first Pin group 53 and the second Pin group 54 onto the connecting block 5, then pre-inserts the bottom of the connecting block 5 into the slot 14 of the lower shell 52, finally aligns the post 56 of the upper shell 51 with the post 57 of the lower shell 52, inserts the post 56 into the post 57, and then fixes the first Pin group 53, the second Pin group 54 and the connecting block 5 between the upper shell 51 and the lower shell 52.
Referring to fig. 4, since the first Pin foot set 53 and the second Pin foot set 54 are made of copper-tin materials, the hardness is low, in order to respectively improve the hardness of the first Pin foot set 53 and the second Pin foot set 54, a supporting component is disposed in the rubber core 1, the supporting component includes a supporting plate 6, the supporting plate 6 is horizontally disposed, the supporting plate 6 is located between the first Pin foot set 53 and the second Pin foot set 54, and the first Pin foot set 53 and the second Pin foot set 54 are respectively abutted to the top and the bottom of the supporting plate 6. The top of backup pad 6 runs through and is provided with perforation 61, and perforation 61 is offered along the thickness direction of backup pad 6, and the quantity of perforation 61 corresponds to be equipped with two, and the column foot 56 of upper shell 51 and inferior valve 52 peg graft with two perforation 61 respectively.
When the support plate 6 needs to be installed, the support plate 6 is placed between the first Pin group 53 and the second Pin group 54, then the through holes 61 of the support plate 6 are aligned with the column feet 56, and the column feet 56 of the upper shell 51 and the lower shell 52 are inserted into the through holes 61 in sequence.
It should be noted that, referring to fig. 4, in order to facilitate the electrical connection between the glue core 1 and the circuit board, positioning pins 58 are respectively fixed on the sides of the upper shell 51 and the lower shell 52 facing the first open end 21 of the housing 2. The connector is pre-plugged with the circuit board by the locating pins 58.
The working principle of the waterproof connector is as follows:
when the connector is required to be used, a worker aligns the access end 12 of the rubber core 1 with the first open end 21 of the housing 2, inserts the rubber core 1 at the same time, and fixes the rubber core 1 in the housing 2 under the interference fit of the protrusion 42. The worker then pre-inserts the pins 58 onto the circuit board and then welds the four solder pins 23 to the circuit board. Finally, the external electric appliance with the Type-C plug is inserted into the second open end 22 of the shell 2, the external electric appliance is electrically connected with the rubber core 1, the Type-C plug extrudes the first sealing part 31, under the action of the elastic part 32, the first sealing part 31 extrudes the Type-C plug at the same time, and the connection position of the Type-C plug and the shell 2 forms a seal. When water is sprinkled at the Type-C plug, the water does not easily flow into the second open end 22 of the housing 2 by the first sealing portion 31.
Embodiment two:
the difference from the first embodiment is that: the seal assembly is not of the same construction.
In particular, referring to fig. 5 and 6, the sealing assembly comprises a sealing strip 7. The housing 2 is provided with an embedded groove 25 based on the inner side of the second open end 22, and the embedded groove 25 is communicated with the second open end 22. The sealing strip 7 is made of a rubber material, and the sealing strip 7 is fixed to the inner wall of the embedding groove 25.
Referring to the figure, in order to enhance the elasticity of the sealing strip 7, an elastic member, which is a spring 8, is provided in the sealing strip 7. The sealing strip 7 is of an inner hollow structure, a plurality of springs 8 are arranged in number, and the springs 8 are respectively arranged in the sealing strip 7. One end of the spring 8 is fixedly connected with the inner wall of the sealing strip 7, and the other end of the spring 8 is fixedly provided with a wedge-shaped block 9. The side of the wedge-shaped block 9 facing away from the spring 8 is matched with the inner side of the sealing strip 7, and the wedge-shaped block 9 abuts against the inner side of the sealing strip 7.
The working principle of the waterproof connector is as follows:
when the connector is required to be used, a worker firstly inserts the Type-C plug in the direction close to the bottom of the embedded groove 25, at the moment, the Type-C plug drives the wedge block 9 to move in the direction away from the Type-C plug, the wedge block 9 compresses the spring 8, the spring 8 elastically deforms, and meanwhile under the action of the spring 8, the wedge block 9 drives the sealing strip 7 to extrude the outer side wall of the Type-C plug. When water is sprayed onto the Type-C plug, the water is not easy to flow into the second open end 22 of the housing 2 under the action of the sealing strip 7.
In summary, under the action of the sealing ring 3 and the sealing strip 7 in the two embodiments, water is not easy to flow into the access end 12 of the rubber core 1, which is beneficial to improving the waterproof performance of the electrical connector.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (7)
1. The utility model provides a waterproof connector, includes rubber core (1) and casing (2), the one end of rubber core (1) sets up to link (11), the other end of rubber core (1) sets up to access end (12), first open end (21) and second open end (22) have been seted up respectively to the both ends of casing (2), rubber core (1) with casing (2) grafting, link (11) with first open end (21) are linked together, access end (12) with second open end (22) are linked together, rubber core (1) be provided with be used for with the fixed subassembly of casing (2) looks fixed, the outside of casing (2) first open end (21) is provided with many welded feet (23), the second open end (22) of casing (2) are provided with the sealing component that is used for waterproof seal;
the sealing assembly comprises a sealing ring (3), a connecting groove (26) is formed in the outer side of the shell (2) based on the second open end (22), and the sealing ring (3) is sleeved on the connecting groove (26);
the sealing ring (3) comprises a first sealing part (31), an elastic part (32) and a second sealing part (33), wherein the first sealing part (31), the elastic part (32) and the second sealing part (33) are respectively sleeved on the connecting groove (26), the elastic part (32) is arranged between the first sealing part (31) and the second sealing part (33), and the elastic part (32) is respectively connected with the first sealing part (31) and the second sealing part (33);
the fixing assembly comprises a connecting sheet (4), a fixing groove (13) is formed in one side of the rubber core (1), the connecting sheet (4) is inserted into the fixing groove (13), an inserting lug (41) is arranged at one end of the connecting sheet (4), a slot (14) is formed in one side of the rubber core (1), the slot (14) is communicated with the fixing groove (13), the inserting lug (41) is inserted into the slot (14), a protrusion (42) is arranged on one side of the connecting sheet (4), and the protrusion (42) is abutted to the inner side of the shell (2).
2. A waterproof connector according to claim 1, wherein: the sealing assembly comprises a sealing strip (7), a side embedded groove (25) is formed in the inner side of the shell (2) based on the second open end (22), the embedded groove (25) is communicated with the second open end (22), the sealing strip (7) is arranged in the embedded groove (25), and an elastic piece for enhancing deformation is arranged on the sealing strip (7).
3. A waterproof connector according to claim 2, wherein: the elastic piece is a spring (8), the sealing strip (7) is an inner hollow, the spring (8) is arranged in the sealing strip (7), one end of the spring (8) is connected with the inner side of the sealing strip (7), the other end of the spring (8) is provided with a wedge block (9), and one side of the wedge block (9) is abutted to the inner side of the sealing strip (7).
4. A waterproof connector according to claim 1, wherein: the rubber core (1) comprises an upper shell (51), a lower shell (52), a connecting block (5), a first Pin foot group (53) and a second Pin foot group (54), wherein the first Pin foot group (53) and the second Pin foot group (54) are respectively connected with the connecting block (5), positioning grooves (55) are respectively formed in the upper shell (51) and the lower shell (52), the connecting block (5) is respectively inserted into the positioning grooves (55), column feet (56) are respectively arranged on one sides, opposite to the upper shell (51) and the lower shell (52), of the upper shell (51) and the lower shell (52), column grooves (57) are respectively correspondingly formed in the column feet (56) in an inserted mode.
5. A waterproof connector according to claim 4, wherein: the rubber core is characterized in that a supporting component used for supporting the first Pin foot group (53) and the second Pin foot group (54) respectively is arranged in the rubber core (1), the supporting component comprises a supporting plate (6), the supporting plate (6) is arranged between the first Pin foot group (53) and the second Pin foot group (54), a through hole (61) is formed in the supporting plate (6) in a penetrating mode, and the column foot (56) is connected with the through hole (61) in an inserting mode.
6. A waterproof connector according to claim 4, wherein: one end of the upper shell (51) and one end of the lower shell (52) are respectively provided with a positioning pin (58).
7. A waterproof connector according to claim 4, wherein: the shell (2) is provided with a limiting groove (24) based on the first open end (21), and the upper shell (51) and the lower shell (52) are respectively abutted to the groove bottom of the limiting groove (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110951340.2A CN113594761B (en) | 2021-08-18 | 2021-08-18 | Waterproof connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110951340.2A CN113594761B (en) | 2021-08-18 | 2021-08-18 | Waterproof connector |
Publications (2)
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