CN113594761A - Waterproof connector - Google Patents
Waterproof connector Download PDFInfo
- Publication number
- CN113594761A CN113594761A CN202110951340.2A CN202110951340A CN113594761A CN 113594761 A CN113594761 A CN 113594761A CN 202110951340 A CN202110951340 A CN 202110951340A CN 113594761 A CN113594761 A CN 113594761A
- Authority
- CN
- China
- Prior art keywords
- sealing
- casing
- core
- groove
- 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.)
- Granted
Links
- 238000007789 sealing Methods 0.000 claims abstract description 98
- 238000004026 adhesive bonding Methods 0.000 claims abstract description 18
- 239000003292 glue Substances 0.000 claims abstract description 18
- 238000003466 welding Methods 0.000 claims abstract description 11
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000005728 strengthening Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 230000002349 favourable effect Effects 0.000 description 9
- 241000463219 Epitheca Species 0.000 description 6
- 230000037431 insertion Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 229910001297 Zn alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 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
- 238000010586 diagram Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Images
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 belongs to the technical field of electromechanical component's technique and specifically relates to a waterproof connector is related to, it is including gluing 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 incoming end, first opening end and second opening end have been seted up respectively at the both ends of casing, glue the core with the casing is pegged graft, the link with first opening end is linked together, the incoming end with the second opening end is linked together, glue the core be provided with be used for with the fixed subassembly that the casing was fixed mutually, the outside of the first opening end of casing is provided with many welding feet, the second opening end of casing is provided with the seal assembly who is used for waterproof sealing. The electric connector has the effect of improving the waterproofness of the electric connector.
Description
Technical Field
The application relates to the technical field of electromechanical elements, in particular to a waterproof connector.
Background
The electric connector is a common electronic device for realizing current and/or signal transmission function by contacting the connecting terminals, and the common interface of the electric connector is Type-C. The Type-C is a connecting interface of the USB interface, which is not divided into a positive side and a negative side, can be inserted into both sides, and supports the functions of charging, data transmission, display output and the like of the USB standard like other interfaces.
Current electric connector is including gluing core and shell, and the one end of gluing the core is the link, and the other end of gluing the core is the incoming end, and the both ends of shell all are uncovered setting, and the fixed cover of shell is located and is glued the core, and the link and the circuit board electric connection of gluing the core. When the circuit board in the machine is connected with outside electrical apparatus to needs, the staff can be with Type-C plug and the incoming end electric connection who glues the core, and outside electrical apparatus plug passes through gluey core and circuit board electric connection this moment.
In view of the above-mentioned related art, the inventor believes that, since the connection end of the rubber core is exposed outside the machine, when an external electrical appliance is connected to the connection end of the rubber core and water is inadvertently sprayed on the external electrical appliance, water marks easily flow into the connection end of the rubber core through the open end of the housing and finally flow into the circuit board along the rubber core, which finally causes the circuit board to be burned out.
Disclosure of Invention
In order to improve the waterproofness of an electrical connector, the present application provides a waterproof connector.
The application provides a waterproof connector adopts following technical scheme:
the utility model provides a waterproof connector, is including gluing 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 incoming end, first opening end and second opening end have been seted up respectively at the both ends of casing, glue the core with the casing is pegged graft, the link with first opening end is linked together, the incoming end with the second opening end is linked together, glue the core be provided with be used for with the fixed subassembly that the casing was fixed mutually, the outside of the first opening end of casing is provided with many welding feet, the second opening end of casing is provided with and is used for waterproof sealing's seal assembly.
Through adopting above-mentioned technical scheme, when needs use the connector, the staff aims at the first open end of casing with the access end of gluing the core earlier, then will glue in the core inserts the casing again, under fixed subassembly's effect, glue the core and be fixed in the casing this moment, then the staff do not weld the circuit board through many welding feet with the casing again, will have the external electrical apparatus of Type-C plug and the access end electric connection who glues the core again at last, external electrical apparatus and circuit board electric connection this moment, spill external electrical apparatus when water, and when following the access end of Type-C plug inflow gluey core, under seal assembly's effect, water is difficult to 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 casing has a connecting groove formed in an outer side of the second open end, and the connecting groove is sleeved with the sealing ring.
Through adopting above-mentioned technical scheme, when using the connector, on the staff established the spread groove with the sealing washer cover earlier, when the second open end of Type-C plug insertion casing to during with the incoming end electric connection of gluing the core, the sealing washer supported tightly in Type-C plug this moment, and then was favorable to improving the leakproofness of Type-C plug and gluey core incoming end hookup location department.
Optionally, the sealing ring includes a first sealing portion, an elastic portion and a second sealing portion, the first sealing portion, the elastic portion and the second sealing portion are respectively sleeved on the connecting groove, the elastic portion is disposed between the first sealing portion and the second sealing portion, and the elastic portion is respectively connected to the first sealing portion and the second sealing portion.
Through adopting above-mentioned technical scheme, when the second open end of Type-C plug insertion casing, the first sealing of Type-C plug extrusion this moment, first sealing extrudees the elasticity portion towards the direction that is close to the second sealing, and after Type-C plug insertion, under the effect of elasticity portion, first sealing supports tight Type-C plug simultaneously, and then is favorable to improving the leakproofness of sealing washer.
Optionally, seal assembly includes the sealing strip, the casing is based on the side has been seted up to the inboard of second open end and has been inlayed and establish the groove, 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 strengthening deformation.
Through adopting above-mentioned technical scheme, when using the connector, the staff inserts earlier external electrical apparatus's Type-C plug and inlays and establish the groove, and the outside of Type-C plug compresses tightly the sealing strip this moment, and 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 gluey core incoming end hookup location department.
Optionally, the elastic component is the spring, the sealing strip is interior empty setting, the spring set up in the sealing strip, the one end of spring with the sealing strip inboard is 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 when butt joint inslot, Type-C plug drives the wedge and removes towards being close to the direction of inlaying the groove of establishing, and wedge hold-down spring this moment, 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 fixing assembly comprises a connecting piece, a fixing groove is formed in one side of the rubber core, the connecting piece is connected with the fixing groove in an inserting mode, an inserting lug is arranged at one end of the connecting piece, an inserting groove is formed in one side of the rubber core, the inserting groove is communicated with the fixing groove, the inserting lug is connected with the inserting groove in an inserting mode, a protrusion is arranged on one side of the connecting piece, and the protrusion abuts against the inner side of the shell.
Through adopting above-mentioned technical scheme, when needs will glue the core and install in the casing, the staff will insert the ear earlier and peg graft in the slot, and the connection piece inlays this moment and locates in the fixed slot, then the staff will glue the first opening end that the incoming end of core inserted the casing again, and the arch is supported tightly in the inner wall of casing this moment, glues the core and is fixed in the casing, and then is favorable to improving the detachability of gluing core and casing.
Optionally, the rubber core comprises an upper shell, a lower shell, a connecting block, a first Pin foot group and a second Pin foot group, the first Pin foot group and the second Pin foot group are respectively connected with the connecting block, the upper shell and the lower shell are respectively provided with a positioning groove, the connecting block is respectively spliced with the positioning groove, one side of the upper shell, opposite to the lower shell, is provided with a column foot, the upper shell and the lower shell are respectively provided with a column groove, and the column foot is spliced with the column groove.
Through adopting above-mentioned technical scheme, when the gluey core of needs installation, insert the constant head tank on the casing down earlier with the connecting block, then aim at the column groove of inferior valve with the column base of epitheca again to insert the column base simultaneously in the column groove, first Pin foot group and second Pin foot group are fixed in between epitheca and the inferior valve this moment, and then are favorable to improving the detachability of gluing the core.
Optionally, a supporting component for respectively supporting the first Pin group and the second Pin group is arranged in the rubber core, the supporting component comprises a supporting plate, the supporting plate is arranged between the first Pin group and the second Pin group, a through hole is arranged in the supporting plate in a penetrating manner, and the column base is inserted into the through hole.
By adopting the technical scheme, because the rigidity of the first Pin foot group and the second Pin foot group is not strong, when the Type-C plug is electrically connected with the access end of the rubber core, the support plate supports the first Pin foot group and the second Pin foot group at the same time, and the rigidity of the first Pin foot group and the second Pin foot group is further improved.
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 be earlier through the location foot on inserting the circuit board in advance, at last the rethread respectively with many welding foot and circuit board welding, and then be favorable to improving the stability that electric connector and circuit board are connected.
Optionally, the housing has a limiting groove formed on the basis of 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 gluing the core and inserting the casing in, epitheca and inferior valve butt respectively in the tank bottom of spacing groove this moment, and under protruding effect, glue the core and be fixed in the casing this moment, and then be favorable to improving the stability that glues the core and be fixed in the casing.
To sum up, the application comprises the following beneficial technical effects:
when the connector is needed to be used, the worker aims at the first opening end of the shell at the access end of the rubber core firstly, then the rubber core is inserted into the shell, the rubber core is abutted to the bottom of the limiting groove at the moment, meanwhile, under the action of the fixing component, the rubber core is fixed in the shell at the moment, then the worker inserts the positioning pins on the circuit board again, then a plurality of welding pins are welded on the circuit board respectively, finally, the external electric appliance with the Type-C plug and the access end electric connection of the rubber core are connected, the external electric appliance is electrically connected with the circuit board at the moment, when water is sprayed to the external electric appliance, and the water flows into the access end of the rubber core along the Type-C plug, under the action of the sealing component, the water does not easily flow into the access end of the rubber core at the moment, and the waterproofness of the electric connector is improved.
Drawings
Fig. 1 is a schematic view of an overall structure of a waterproof connector according to a first embodiment of the present application.
Fig. 2 is a schematic connection relationship diagram of the rubber core, the connecting piece, the housing and the sealing ring according to the first embodiment of the present application.
Fig. 3 is a schematic view of the overall structure of the seal ring according to the first embodiment of the present application.
Fig. 4 is a schematic view illustrating a connection relationship between the upper case, the lower case, and the connection block according to the first embodiment of the present application.
Fig. 5 is a partial sectional view of the housing according to the second embodiment of the present application.
Fig. 6 is an enlarged view of a portion a of fig. 5.
Description of reference numerals: 1. a rubber core; 11. a connecting end; 12. an access end; 13. fixing grooves; 14. a slot; 2. a housing; 21. a first open end; 22. a second open end; 23. welding a pin; 24. a limiting groove; 25. embedding a groove; 26. connecting grooves; 3. a seal ring; 31. a first seal portion; 32. an elastic portion; 33. a second seal portion; 4. connecting sheets; 41. inserting lugs; 42. a protrusion; 5. connecting blocks; 51. an upper shell; 52. a lower case; 53. a first Pin leg group; 54. a second Pin leg group; 55. positioning a groove; 56. a column shoe; 57. a column groove; 58. a positioning leg; 6. a support plate; 61. perforating; 7. a sealing strip; 8. a spring; 9. a wedge block.
Detailed Description
The present application is described in further detail below with reference to figures 1-6.
The first embodiment is as follows:
referring to fig. 1, a waterproof connector includes a rubber core 1 and a housing 2, 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 to a circuit board through the connecting end 11, and the rubber core 1 is electrically connected to a Type-C plug of an external electrical appliance through the access end 12. Casing 2 is made by the zinc alloy material, and casing 2 is used for protecting gluey core 1, and the one end of casing 2 is opened and is established to first open end 21, and the other end of casing 2 is opened and is established to second open end 22, and gluey core 1 pegs graft in casing 2, and gluey core 1 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 housing 2 close to the first open end 21 is fixed with four welding legs 23, and the four welding legs 23 are uniformly fixed on the outer side of the housing 2. At the second open end 22 of the housing 2 a sealing assembly for watertight sealing is provided.
Specifically, referring to fig. 2, the sealing assembly includes the sealing ring 3, and the outer side of the housing 2 based on the second open end 22 is opened with a connecting groove 26, and the connecting groove 26 is opened along the length direction of the housing 2. The sealing ring 3 is made of rubber material and has elasticity, the outer side wall of the shell 2 is sleeved with the sealing ring 3, and the sealing ring 3 is arranged in the connecting groove 26.
Referring to fig. 3, in order to improve the sealing performance of the gasket 3, the gasket 3 includes a first sealing portion 31, an elastic portion 32, and a second sealing portion 33. The first sealing portion 31, the elastic portion 32 and the second sealing portion 33 are all sleeved outside the housing 2, the first sealing portion 31 and the second sealing portion 33 have the same thickness, and the elastic portion 32 has a thickness greater than 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 appliance is inserted into the second open end 22 of the shell 2, at the moment, the external electrical appliance is connected with the glue core 1, the Type-C plug extrudes the first sealing part 31 towards the direction close to the connecting end 11 of the glue core 1, the first sealing part 31 extrudes the elastic part 32 towards the direction close to the connecting end 11 of the glue core 1, and the elastic part 32 elastically deforms. When the Type-C plug is at rest in the current position, the resilient portion 32 simultaneously pushes the first sealing portion 31 back against the Type-C plug, thereby forming a sealing action.
In particular, with reference to fig. 2, the connecting assembly comprises a connecting tab 4. The top surface and the bottom surface of the rubber core 1 are respectively provided with a fixing groove 13, and the fixing groove 13 is arranged along the thickness direction of the rubber core 1. The number of the connecting sheets 4 is correspondingly provided with two sheets, and the two connecting sheets 4 are respectively inserted into the fixing grooves 13. The two connecting sheets 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 slots 14, the slots 14 are arranged along the thickness direction of the rubber core 1, the slots 14 are communicated with the fixing grooves 13, and the inserting lugs 41 are inserted into the slots 14. Two bulges 42 are respectively fixed on the sides of the two connecting sheets 4 departing from the rubber core 1.
It should be noted that, referring to fig. 2, in order to further improve the stability of the rubber 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, the worker firstly inserts the inserting lugs 41 on the two connecting pieces 4 into the slots 14 respectively, and at the moment, the two connecting pieces 4 are embedded in the fixing slots 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, in order to improve the detachability of the rubber core 1, the rubber core 1 includes an upper shell 51, a lower shell 52, a connecting block 5, a first Pin leg group 53, and a second Pin leg group 54. The connecting block 5 is rectangular, the first Pin group 53 and the second Pin group 54 are respectively used for transmitting electrical signals, the first Pin group 53 and the second Pin group 54 respectively penetrate through the connecting block 5, and the first Pin group 53 and the second Pin group 54 are respectively arranged symmetrically along the horizontal center plane of the connecting block 5. Connecting block 5 is arranged between epitheca 51 and inferior valve 52 respectively, and epitheca 51 and inferior valve 52 correspond respectively and have seted up constant head tank 55, and constant head tank 55 is seted up along the thickness direction of epitheca 51 and inferior valve 52 respectively, and connecting block 5's top and bottom are pegged graft with two constant head tanks 55 respectively. The opposite sides of the upper shell 51 and the lower shell 52 are respectively fixed with a column base 56, the opposite sides of the upper shell 51 and the lower shell 52 are correspondingly provided with a column groove 57, and the column base 56 is inserted into the column groove 57.
When the rubber core 1 needs to be installed, a worker firstly inserts the first Pin group 53 and the second Pin group 54 into the connecting block 5, then pre-inserts the bottom of the connecting block 5 into the slot 14 of the lower shell 52, and finally aligns the column foot 56 of the upper shell 51 with the column groove 57 of the lower shell 52, and inserts the column foot 56 into the column groove 57, and at this time, the first Pin group 53, the second Pin group 54 and the connecting block 5 are respectively fixed between the upper shell 51 and the lower shell 52.
Referring to fig. 4, since the first Pin group 53 and the second Pin group 54 are both made of copper-tin material, and have low hardness, in order to respectively increase the hardness of the first Pin group 53 and the second Pin group 54, a support component is disposed in the rubber core 1, the support component includes a support plate 6, the support plate 6 is horizontally disposed, the support plate 6 is disposed between the first Pin group 53 and the second Pin group 54, and the first Pin group 53 and the second Pin group 54 respectively abut against the top and the bottom of the support plate 6. The top of the supporting plate 6 is provided with through holes 61 in a penetrating manner, the through holes 61 are formed along the thickness direction of the supporting plate 6, two through holes 61 are correspondingly formed, and the column feet 56 of the upper shell 51 and the lower shell 52 are respectively inserted into the two through holes 61.
When the supporting plate 6 needs to be installed, the supporting plate 6 is first placed between the first Pin group 53 and the second Pin group 54, then the through hole 61 of the supporting plate 6 is aligned with the column base 56, and the column bases 56 of the upper shell 51 and the lower shell 52 are sequentially inserted into the through hole 61.
It should be noted that, referring to fig. 4, in order to facilitate the electrical connection between the rubber core 1 and the circuit board, positioning pins 58 are respectively fixed on the sides of the upper casing 51 and the lower casing 52 facing the first open end 21 of the casing 2. The connector is pre-mated with the circuit board via the alignment pins 58.
The working principle of the waterproof connector is as follows:
when the connector needs to be used, a worker firstly aligns the access end 12 of the rubber core 1 with the first open end 21 of the shell 2, and simultaneously inserts the rubber core 1, and under the interference fit action of the protrusion 42, the rubber core 1 is fixed in the shell 2 at the moment. The worker then pre-inserts the positioning pins 58 onto the circuit board, and then respectively welds the four welding pins 23 to the circuit board. And finally, the external electrical appliance with the Type-C plug is inserted into the second open end 22 of the shell 2, the external electrical appliance is electrically connected with the rubber core 1, the Type-C plug extrudes the first sealing part 31 at the moment, the first sealing part 31 simultaneously extrudes the Type-C plug under the action of the elastic part 32, and the Type-C plug and the shell 2 are sealed at the connecting position. When water is sprinkled to 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.
Example two:
the difference from the first embodiment is that: the seal assemblies are not identical in construction.
In particular, referring to fig. 5 and 6, the sealing assembly comprises a sealing strip 7. The inner side of the housing 2 based on the second open end 22 is provided with an embedding groove 25, and the embedding groove 25 is communicated with the second open end 22. The sealing strip 7 is made of rubber material, and the sealing strip 7 is fixed on 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 is arranged in the sealing strip 7, and the elastic member is a spring 8. Sealing strip 7 is interior hollow structure, and the quantity of spring 8 is equipped with many, and many springs 8 arrange in sealing strip 7 respectively. 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 fixed with a wedge-shaped block 9. One side of the wedge-shaped block 9 departing from the spring 8 is matched with the inner side of the sealing strip 7, and the wedge-shaped block 9 is tightly propped against the inner side of the sealing strip 7.
The working principle of the waterproof connector is as follows:
when needs use the connector, the staff inserts the Type-C plug towards the direction that is close to inlay and establishes 25 tank bottoms, and Type-C plug drives wedge 9 this moment and removes towards the direction of keeping away from the Type-C plug, and wedge 9 pressure spring 8, 8 elastic deformation of spring, simultaneously under spring 8's effect, wedge 9 drives the lateral wall that 7 extrusion Type-C plugs of sealing strip. When water is sprinkled onto the Type-C plug, the water does not easily flow into the second open end 22 of the housing 2 under the influence 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 inlet end 12 of the rubber core 1, thereby being beneficial to improving the waterproof performance of the electrical connector.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides a waterproof connector, includes gluey core (1) and casing (2), the one end of gluing core (1) sets up to link (11), the other end of gluing core (1) sets up to incoming end (12), first opening end (21) and second opening end (22) have been seted up respectively at the both ends of casing (2), glue core (1) with casing (2) are pegged graft, link (11) with first opening end (21) are linked together, incoming end (12) with second opening end (22) are linked together, glue core (1) be provided with be used for with casing (2) fixed subassembly mutually, the outside of casing (2) first opening end (21) is provided with many welding feet (23), second opening end (22) of casing (2) are provided with the seal assembly who is used for waterproof sealing.
2. A watertight connector as claimed in claim 1, characterized in that: sealing assembly includes sealing washer (3), casing (2) are based on spread groove (26) have been seted up in the outside of second open end (22), sealing washer (3) cover is located spread groove (26).
3. A watertight connector as claimed in claim 2, characterized in that: sealing washer (3) include first sealing (31), elastic component (32) and second sealing (33), first sealing (31), elastic component (32) and second sealing (33) are located respectively cover connection groove (26), elastic component (32) set up in first sealing (31) with between second sealing (33), elastic component (32) respectively with first sealing (31) and second sealing (33) are connected.
4. A watertight connector as claimed in claim 1, characterized in that: sealing assembly includes sealing strip (7), casing (2) are based on the side has been seted up to the inboard of second open end (22) and has been inlayed and establish groove (25), inlay establish groove (25) with second open end (22) are linked together, sealing strip (7) set up in inlay and establish in groove (25), sealing strip (7) are provided with the elastic component that is used for strengthening deformation.
5. A watertight connector as claimed in claim 4, characterized in that: the elastic component is spring (8), sealing strip (7) are interior empty setting, spring (8) set up in sealing strip (7), the one end of spring (8) with sealing strip (7) inboard is connected, the other end of spring (8) is provided with wedge (9), one side butt of wedge (9) in sealing strip (7) are inboard.
6. A watertight connector as claimed in claim 1, characterized in that: the fixing assembly comprises a connecting piece (4), a fixing groove (13) is formed in one side of the rubber core (1), the connecting piece (4) is connected with the fixing groove (13) in an inserting mode, an inserting lug (41) is arranged at one end of the connecting piece (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 connected with the slot (14) in an inserting mode, a bulge (42) is arranged on one side of the connecting piece (4), and the bulge (42) abuts against the inner side of the shell (2).
7. A watertight connector as claimed in claim 1, characterized in that: 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 connected with the positioning grooves (55) in an inserting mode, column feet (56) are respectively arranged on one opposite sides of the upper shell (51) and the lower shell (52), column grooves (57) are respectively formed in the upper shell (51) and the lower shell (52) in a corresponding mode, and the column feet (56) are connected with the column grooves (57) in an inserting mode.
8. A watertight connector as claimed in claim 7, characterized in that: the rubber core (1) is internally provided with a supporting component used for respectively supporting the first Pin foot group (53) and the second Pin foot group (54), 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 arranged 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.
9. A watertight connector as claimed in claim 7, characterized in that: and one ends of the upper shell (51) and the lower shell (52) are respectively provided with a positioning foot (58).
10. A watertight connector as claimed in claim 7, characterized in that: 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).
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115779188A (en) * | 2023-02-07 | 2023-03-14 | 微泰医疗器械(杭州)股份有限公司 | Infusion pump and assembling method thereof |
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