Detachable waterproof connector and assembly

Abstract

The utility model discloses a detachable waterproof connector, which comprises a plastic main body, a probe group, a PCB (Printed Circuit Board) and a waterproof layer, the probe group is arranged inside the plastic main body, the lower surface of the plastic main body is recessed inwards to be provided with an accommodating groove, the PCB comprises a first board surface and a second board surface, the first board surface is laid in the accommodating groove, the second board surface extends outwards and is far away from the plastic main body, the waterproof layer is arranged on the lower surface of the first board surface, and the waterproof layer is arranged on the lower surface of the second board surface. And the plastic main body is also provided with at least one fixing hole for disassembly or connection. Compared with the prior art, according to the detachable waterproof connector required to be protected, the waterproof layer is laid in the containing groove in the lower end face of the plastic main body, the PCB and the probe set are covered and wrapped, the oxidation prevention protection effect is achieved, and the contact problem is reduced; the connecting part is arranged on the outer shell, the fixing hole is formed in the corresponding position of the plastic main body, and the dismounting function is achieved through the spring screw.

Description

Technical Field

[0001] The utility model relates to the technical field of electrical connectors, in particular to a detachable waterproof connector and a component thereof. Background Art

[0002] On the existing market, a battery container and a magnetic connector are fixed by clamping a boss on the magnetic connector into a clamping groove on the battery container to prevent the magnetic connector from rotating in the shell. In the up and down directions, a spring collar is elastically hooked outside the shell, and the inner wall of the plastic main body ring is larger than the aperture of the shell to achieve up and down fixation. However, when problems occur with such a magnetic connector, it cannot be disassembled and is not waterproof. Therefore, there is an urgent need for a magnetic connector that can be disassembled and is waterproof. Summary of the Utility Model

[0003] An embodiment of the present application provides a detachable waterproof connector, which can achieve bottom waterproofing and detachable function, save materials, and reduce production costs.

[0004] To achieve the above object, the technical solution adopted by the utility model is: a detachable waterproof connector, comprising a plastic main body, a probe group, a PCB board, and a waterproof layer; the probe group is arranged inside the plastic main body, a receiving groove is recessed inward on the lower surface of the plastic main body, the PCB board includes a first board surface and a second board surface, the first board surface is laid in the receiving groove, the second board surface extends outward and away from the plastic main body, the waterproof layer is arranged on the lower surface of the first board surface, and at least one fixing hole for disassembly or connection is further provided on the plastic main body.

[0005] Optionally, the plastic main body is generally cylindrical with a rim at the upper end, the edge of the upper end surface of the plastic main body extends outward, and at least one first fixing hole recessed inward is provided on the side wall of the plastic main body, and the first fixing hole penetrates the upper and lower end surfaces of the plastic main body.

[0006] Further, a spring collar is further included, the spring collar is sleeved on the plastic main body and is located below the upper end surface, and an elastically inclined fastening portion is provided on the side surface of the spring collar.

[0007] Optionally, the plastic main body is generally cylindrical with a rim at the lower end, the edge of the lower end surface of the plastic main body extends outward, and a plurality of second fixing holes are provided on the edge of the lower end surface.

[0008] Further, a second fixing hole is respectively provided at the four corners of the edge of the lower end surface.

[0009] Further, a waterproof rubber ring is further included, a sealing groove is provided on the side wall of the plastic main body, and the waterproof rubber ring is arranged in the sealing groove.

[0010] Further, it further includes at least one magnet. The plastic body is provided with at least one slotted structure extending downward from the upper surface, and the magnet is disposed in the slotted structure.

[0011] Further, the probe group includes signal pins and at least one spring pin; the plastic body is provided with a plurality of needle receiving holes penetrating up and down. At positions on the first plate surface corresponding to the needle receiving holes, a plurality of probe holes are provided. The signal pins and spring pins pass through the needle receiving holes and probe holes and extend up and down; a cover plate is further connected to the lower end of the signal pins, and the cover plate is disposed on the upper surface of the PCB board.

[0012] The present utility model further provides a detachable waterproof connector assembly, including the above-mentioned detachable waterproof connector and an outer housing. An opening structure is provided at one end of the outer housing, and a connecting portion is provided on the opening structure. The plastic body is detachably connected to the connecting portion of the outer housing.

[0013] Further, the connecting portion is an L-shaped connecting portion formed by extending downward along the outer edge of the outer housing, or a circular connecting portion extending outward around the opening structure of the outer housing. The connecting portion is provided with through holes for connecting with the fixing holes on the plastic body, and the two are detachably connected by spring screws.

[0014] The beneficial effects of the present utility model are as follows: By laying a waterproof layer in the receiving groove on the lower end surface of the plastic body to cover and wrap the PCB board and the probe group, it plays a role in preventing oxidation and protecting, reducing contact problems; by providing a connecting portion on the outer housing and opening fixing holes at corresponding positions on the plastic body, and realizing the detachable function through spring screws. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic structural diagram of a detachable waterproof connector in an embodiment of the present utility model;

[0016] Figure 2 is an exploded view of a detachable waterproof connector in an embodiment of the present utility model;

[0017] Figure 3 is a schematic structural diagram of a detachable waterproof connector assembly in a first embodiment of the present utility model;

[0018] Figure 4 is a schematic structural diagram of a detachable waterproof connector in another embodiment of the present utility model;

[0019] Figure 5 is an exploded view of a detachable waterproof connector in another embodiment of the present utility model;

[0020] Figure 6 is a schematic structural diagram of a detachable waterproof connector assembly in another embodiment of the present utility model;

[0021] Reference numerals: 10 - outer housing, 20 - plastic main body, 30 - PCB board, 40 - waterproof layer, 50 - probe group, 60 - cover plate, 70 - baffle, 80 - waterproof rubber ring, 90 - magnet, 100 - opening structure, 110 - connecting portion, 1101 - through hole, 200 - edge, 201 - sealing groove, 2101 - first fixing hole, 2102 - second fixing hole, 202 - slotted structure, 203 - spring collar, 2031 - elastic fastening portion, 204 - needle receiving channel, 220 - receiving groove, 301 - probe hole, 31 - first board surface, 32 - second board surface, 3020 - board-to-board connector, 501 - spring pin, 502 - signal pin Detailed implementation manners

[0022] To make the above objects, features, and advantages of the present utility model more obvious and understandable, the following will describe in detail the specific implementation manners of the present utility model with reference to the accompanying drawings. Many specific details are set forth in the following description to fully understand the present utility model. However, the present utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the connotation of the present utility model. Therefore, the present utility model is not limited by the specific implementations disclosed below.

[0023] Embodiments of the present application provide a detachable waterproof connector to solve the defects that connectors in the prior art cannot be detached and are not waterproof. It should be noted that in the present application, the outer housing is located above, on top of, at the upper end, at the top, at the top portion, at the top end of the plastic main body, and the opposite direction is below, at the lower end, at the bottom, at the bottom portion, at the bottom end.

[0024] As Figures 1 to 6 shown, it is an embodiment of the present application:

[0025] A detachable waterproof connector includes: a plastic main body 20, a probe group 50, a PCB board 30, and a waterproof layer 40; the probe group 50 is disposed inside the plastic main body 20, a receiving groove 220 is recessed inwardly on the lower surface of the plastic main body 20, the PCB board 30 includes a first board surface 31 and a second board surface 32, the first board surface 31 is laid in the receiving groove 220, the second board surface 32 extends outward and away from the plastic main body 20, and a board-to-board connector 3020 connected to other components is provided on the second board surface 32, the waterproof layer 40 is disposed on the lower surface of the PCB board 30 to cover the part where the lower end of the probe group 50 extends out and the PCB board 30, and at least one fixing hole for disassembly or connection is further provided on the plastic main body 20.

[0026] A baffle 70 is provided at the connection between the first board surface 31 and the second board surface 32, and the baffle 70 is used to fixedly connect the PCB board to the plastic main body 20.

[0027] Further, it further includes at least one magnet 90. At least one slotted structure 202 is provided on the plastic main body 20 from the upper surface downward. In this embodiment, the magnet 90 and the slotted structure 202 are provided in two. The magnet 90 is arranged in the slotted structure 202. The probe group 50 includes a signal pin 502 and a plurality of spring pins 501. A plurality of needle accommodating through holes 204 penetrating up and down are provided on the plastic main body 20. A plurality of probe holes 301 are provided at positions on the first board surface 31 opposite to the needle accommodating through holes 204. The signal pin 502 and the spring pins 501 pass through the needle accommodating through holes 204 and the probe holes 301 and extend up and down; a cover plate 60 is further connected to the lower end of the signal pin 502, and the cover plate 60 is arranged on the upper surface of the PCB board 30.

[0028] By laying a waterproof layer 40 in the accommodating groove 220 on the lower end surface of the plastic main body 20, the PCB board 30 and the probe group 50 are covered and wrapped, which plays a role in preventing oxidation and reduces contact problems.

[0029] Based on the above main structure, as Figures 1-3 shown, in an embodiment of the present application, the plastic main body 20 is generally cylindrical with a rim at the upper end. The edge 200 of the upper end surface of the plastic main body 20 extends outward, and its diameter is larger than the diameter of the lower cylinder. At least one first fixing hole 2101 recessed inward is provided on the side wall of the plastic main body 20. For example, 1, 2, 3, etc. can be set, and this quantity is not limited. In this embodiment, it is 1. The first fixing hole 2101 penetrates the upper and lower end surfaces of the plastic main body 20.

[0030] A spring collar 203 is further provided outside the side wall of the plastic main body 20 and is located below the edge 200 of the upper end surface. An outwardly inclined elastic buckling portion 2031 is provided on the side surface of the spring collar 203.

[0031] As Figure 3 shown, it includes the detachable waterproof connector described above and a housing 10. An opening structure 100 is provided at one end of the housing 10 close to the detachable waterproof connector. A connecting portion 110 is provided on the opening structure 100. The plastic main body 20 is detachably connected to the connecting portion 110 of the housing. Specifically, the connecting portion 110 is an L-shaped connecting portion 110 formed by extending downward along the outer edge of the housing 10. A circular through hole 1101 corresponding to the first fixing hole 2101 on the plastic main body 20 is provided on the connecting portion 110. The two are detachably connected by a spring screw. The above elastic buckling portion 2031 will further ensure the buckling connection with the housing 10.

[0032] The disassembly function is achieved by setting a connecting part 110 on the outer housing 10 and opening fixing holes at corresponding positions on the plastic main body 20, and using spring screws. When assembling the plastic main body 20 and the outer housing 10, the connecting part 110 and the first fixing hole 2101 are fastened with spring screws (not shown in the figure). When disassembling, the screw is loosened, the spring is removed from the card slot, and at the same time, after welding, dotting is used for waterproof sealing, and the detachable waterproofing protects the solder joint contact.

[0033] On the basis of the same main structure, referring to Figures 4-6 , in another embodiment of the present application, the plastic main body 20 is generally cylindrical with a rim at the lower end. The edge 200 of the lower end surface of the plastic main body 20 extends outward, and a plurality of second fixing holes 2102 are provided on the edge 200 of the lower end surface. In this embodiment, a second fixing hole 2102 is provided at each of the four corners of the edge 200 of the lower end surface.

[0034] As Figure 6 shown, corresponding to the plastic main body 20, an opening structure 100 is provided at one end of the outer housing 10 close to the detachable waterproof connector. A connecting part 110 is provided on the opening structure 100. In this embodiment, a circular connecting part 110 extending outward is provided around the opening structure 100 of the outer housing 10. A circular through hole 1101 for connecting with the second fixing hole 2102 on the plastic main body 20 is provided on the circular connecting part 110, and the two are detachably connected by spring screws.

[0035] Referring to Figure 5 , a sealing groove 201 is provided on the side wall of the plastic main body 20, and a waterproof rubber ring 80 is arranged in the sealing groove 201 to further play a waterproof role.

[0036] Further referring to Figure 5 , two second board surfaces 32 of the PCB board in this embodiment can be provided, and can be extended in different directions according to different application scenarios.

[0037] In this embodiment, the detachable waterproof connector is assembled with the outer housing 10 by tightening 4 screws. At the same time, after welding, dotting is used for waterproofing to form a waterproof layer 40 sealed in the accommodation groove 220 at the bottom of the plastic main body 20, which can protect the solder joint contact. At the same time, a waterproof rubber ring 80 is installed in the sealing groove 201 on the plastic periphery of the plastic main body 20 for the detachable waterproof connector, so that the detachable waterproof connector and the outer housing 10 are assembled for sealing and waterproofing.

[0038] The technical features of the above-described embodiments can be combined arbitrarily. For the sake of brevity of description, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, it should be considered as the scope recorded in this specification.

[0039] The above-described embodiments merely represent the implementation modes of the present utility model. The description is relatively specific and detailed, but it should not be construed as a limitation on the scope of the invention patent. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present utility model, several modifications and improvements can still be made, and these all fall within the protection scope of the present utility model. Therefore, the protection scope of the patent of the present utility model shall be subject to the appended claims.

Claims

1. A detachable waterproof connector, characterized in that, Comprising: A plastic body, a probe group, a PCB board, and a waterproof layer; the probe group is disposed inside the plastic body, a receiving groove is recessed inwardly on the lower surface of the plastic body, the PCB board includes a first board surface and a second board surface, the first board surface is laid in the receiving groove, the second board surface extends outward and away from the plastic body, the waterproof layer is disposed on the lower surface of the first board surface, and at least one fixing hole for disassembly or connection is further provided on the plastic body.

2. The detachable waterproof connector according to claim 1, wherein The plastic body is generally cylindrical with a rim at the upper end, the edge of the upper end surface of the plastic body extends outward, and at least one first fixing hole recessed inwardly is provided on the side wall of the plastic body, and the first fixing hole penetrates through the upper and lower end surfaces of the plastic body.

3. The detachable waterproof connector according to claim 2, wherein It further includes a spring collar, the spring collar is sleeved on the plastic body and is located below the upper end surface, and an outwardly inclined elastic fastening portion is provided on the side surface of the spring collar.

4. The detachable waterproof connector according to claim 1, wherein The plastic body is generally cylindrical with a rim at the lower end, the edge of the lower end surface of the plastic body extends outward, and a plurality of second fixing holes are provided on the edge of the lower end surface.

5. The detachable waterproof connector according to claim 4, wherein, One second fixing hole is respectively provided at the four corners of the edge of the lower end surface.

6. The detachable waterproof connector according to claim 4, wherein It further includes a waterproof rubber ring, a sealing groove is provided in a circle on the side wall of the plastic body, and the waterproof rubber ring is disposed in the sealing groove.

7. The detachable waterproof connector according to claim 1, characterized in that, It further includes at least one magnet, at least one grooving structure is provided on the plastic body from the upper surface downward, and the magnet is disposed in the grooving structure.

8. The detachable waterproof connector according to claim 1, wherein, The probe group includes signal pins and at least one spring pin; a plurality of needle receiving hole channels penetrating up and down are provided on the plastic body, a plurality of probe holes are provided at positions on the first board surface corresponding to the needle receiving hole channels, the signal pins and the spring pins pass through the needle receiving hole channels and the probe holes and extend up and down; a cover plate is further connected to the lower end of the signal pin, and the cover plate is disposed on the upper surface of the PCB board.

9. A detachable waterproof connector assembly, characterized in that, Comprising the detachable waterproof connector as described in any one of claims 1-8 and a housing body, an opening structure is provided at one end of the housing body, a connecting portion is provided on the opening structure, and the plastic body is detachably connected to the connecting portion of the housing body.

10. The detachable waterproof connector assembly according to claim 9, wherein, The connecting portion is an L-shaped connecting portion formed by the outer edge of the housing body extending downward or a circular connecting portion extending outward around the opening structure of the housing body, and a through hole for connecting with the fixing hole on the plastic body is provided on the connecting portion, and the two are detachably connected by a spring screw.

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