CN203883231U - Waterproof plug - Google Patents

Waterproof plug Download PDF

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Publication number
CN203883231U
CN203883231U CN201420301453.3U CN201420301453U CN203883231U CN 203883231 U CN203883231 U CN 203883231U CN 201420301453 U CN201420301453 U CN 201420301453U CN 203883231 U CN203883231 U CN 203883231U
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CN
China
Prior art keywords
plug
waterproof
annular table
core device
table stepwise
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Active
Application number
CN201420301453.3U
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Chinese (zh)
Inventor
黄颖博
郑斌炎
杨勇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WENZHOU JIAJU ELECTRICAL Co Ltd
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WENZHOU JIAJU ELECTRICAL Co Ltd
Priority date (The priority date 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 date listed.)
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Priority to CN201420301453.3U priority Critical patent/CN203883231U/en
Application granted granted Critical
Publication of CN203883231U publication Critical patent/CN203883231U/en
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Abstract

The utility model discloses a waterproof plug. The problem that a conventional plug is difficult to assemble and high in production cost and may easily cause potential safety hazards due to the adoption of a too complex structure in order to ensure the waterproof performance is solved. The technical scheme is characterized in that the waterproof plug comprises a plug shell, a plug core device, a waterproof sealing ring and a wire fixing device; the plug shell is integrally formed through injection molding and is provided with a stepped structure; the plug core device is screwed into the plug shell after being connected with a wire; the wire is fixed by the wire fixing device to improve the waterproof performance and safety; the waterproof sealing ring sleeves the stepped structure and the plug core device to further improve the waterproof performance; and a matching waterproof socket of the waterproof plug is provided with a matching groove, and good waterproof performance can be ensured after the groove is matched with the plug core device. By adopting the technical scheme, relatively good waterproof performance, simple assembly and relatively high safety performance are achieved through use of a simple plug structure, and furthermore, the product cost is reduced.

Description

A kind of waterproof plug
Technical field
The utility model relates to plug, and more particularly, it relates to a kind of waterproof plug.
Background technology
Plug is a kind of male member, just can complete electrical connection by it is inserted to socket, realizes the power supply needs of all kinds of electrical works.Under normal circumstances, plugs and sockets can only use in anhydrous environment, but in actual service condition, plugs and sockets touches water sometimes, as places such as engineering, outdoor, toilet, kitchens, in order to ensure the Electrical Safety in these environment, just need to there is the plugs and sockets of water-proof function.
At present, the application number occurring on market is 200720002791.7 the disclosed a kind of waterproof plug socket of Chinese patent, by being contained in, jack assemblies seals in the upper cover and lower cover being fastened and connected, its jack is positioned on the socket mouth of upper cover, on cover and be provided with and can folding seal the waterproof cover being fastened and connected, plug-assembly and lower cover are tightly connected, on the socket mouth of upper cover, sealing ring is housed, on sealing ring, lower end is respectively equipped with inside and outward extending step body, the interference fit seal that realizes plug-assembly and jack assemblies by sealing ring is connected, realize the water-tight function of plugs and sockets under use state and non-working condition.
Although this waterproof plug socket is after the general utility functions sexual needs that met plugs and sockets, improve the water resistance of product, but due to complicated structure, excessive volume has increased the production assembly difficulty of whole plugs and sockets product, improve production cost, easily caused whole product to have security hidden trouble because the gadget of labyrinth occurs defective simultaneously.
Utility model content
For the deficiency of existing waterproof plug, it is a kind of ensureing in pin function that the purpose of this utility model is to provide, realize water proofing property, fail safe, assembling simple, reduce costs effectively unified a kind of waterproof plug.
For achieving the above object, the utility model provides following technical scheme: a kind of waterproof plug, comprise plug body, plug core device, waterproof grommet, apparatus for fixing cord, described plug body integrated injection molding is also provided with annular table stepwise structure, described plug core device is connected with annular table stepwise structure, described annular table stepwise structure is connected with plug body, it is characterized in that: described plug body is provided with the hangers conveniently holding when connecting, and for laying the limited impression of apparatus for fixing cord, described apparatus for fixing cord is connected with limited impression, described plug core device is wrapped with waterproof grommet with the crossing bread that annular table stepwise structure connects, described waterproof grommet wraps plug core device lower end and annular table stepwise structure upper end, described annular table stepwise structure lower end one attachment plug shell, the detent size arranging on described annular table stepwise physical dimension and socket is suitable.
By adopting technique scheme, can realize when simplifying waterproof plug socket, meet plugs and sockets water proofing property, fail safe, assemble simpler, the needs that reduce costs, the design of hangers makes to allow workman hold better accessory in assembling process, facilitate assembling has been installed, apparatus for fixing cord is connected with limited impression coupling, both ensured that electric wire can be fixedly secured, improve fail safe, coupling connects the water resistance that can improve product simultaneously, wrap up in waterproof grommet at plug core device with the crossing bread that annular table stepwise structure connects, both facilitated assembling, accomplish again waterproof, employing screws attachment plug shell, assembly difficulty is further reduced, last annular table stepwise physical dimension with mate socket on the detent size that arranges suitable, be conducive to improve the water proofing property of device, due to the water proofing property ensureing product, under fail safe, simplify product structure, can effectively reduce assembly difficulty, improve efficiency of assembling, reduce production costs.
The utility model is further set to: described hangers is oppositely arranged on the both sides of plug body the arcuate surface adaptation with plug body.
By adopting technique scheme, adopt hangers and the integrated technical scheme of plug body, can help well workman better to hold plug body accessory, assembly difficulty is declined, improve efficiency of assembling.
The utility model is further set to: described limited impression is oppositely arranged on the both sides of plug body, be provided with interior narrow outer wide pyramidal structure, limited impression is provided with platform structure with the position of plug body phase cross surface, and limited impression size and apparatus for fixing cord are suitable.
By adopting technique scheme, can realize the convenience in the time of limited impression and apparatus for fixing cord assembling, pyramidal structure and platform structure had both reduced assembly difficulty, can improve the sealing between accessory, water proofing property simultaneously.
The utility model is further set to: described apparatus for fixing cord is jointly made up of two electric wire fixed blocks and is provided with rounded feature convenient for assembly, described two electric wire fixed blocks link together by self-tapping screw, and described electric wire fixed block outline is provided with interior narrow outer wide pyramidal structure.
By adopting technique scheme, can, utilizing rounded feature to make the limited impression connection better of electric wire fixed block, reduce assembly difficulty, two electric wire fixed blocks coordinate securing electric lines better simultaneously, ensure fail safe, pyramidal structure more can improve the water proofing property of product.
The utility model is further set to: described plug core device is that integrated injection molding forms and be provided with the slotted eye for directly inserting plug core and connection electric wire, and it is fixing that described plug core and connection electric wire are directly inserted slotted eye electrical connection.
By adopting technique scheme, can, in simplifying plug core apparatus structure, reduce Product Assembly difficulty, reduce production costs.
The utility model is further set to: the structural ring-shaped platform of described annular table stepwise is diameter increase one by one down, is less than with the ring-shaped platform diameter of plug body one junction the maximum annular platform diameter being connected with described ring-shaped platform.
By adopting technique scheme, can utilize annular table stepwise structure to realize the water proofing property of product, annular table stepwise structure is also an easy assembly structure, reduces assembly difficulty.
The utility model is further set to: described waterproof grommet is made up of silica gel material, wrap the position that plug core device is connected with annular table stepwise structure, be interference fit, described annular table stepwise structure by waterproof grommet with mate socket on the detent interference fit that arranges.
By adopting technique scheme, can utilize waterproof grommet to increase the sealing that plug core device is connected with annular table stepwise structure, annular table stepwise structure by waterproof grommet with mate socket on the sealing of the detent that arranges, secondly realize the water proofing property of whole product by interference fit, this simple connected mode has reduced assembly difficulty simultaneously, has reduced production cost.
Brief description of the drawings
Fig. 1 is the structural representation of a kind of waterproof plug of the utility model.
Fig. 2 is the structural representation of the plug body of a kind of waterproof plug of the utility model.
Fig. 3 is the structural representation of the plug core device of a kind of waterproof plug of the utility model.
Fig. 4 is the structural representation of the apparatus for fixing cord of a kind of waterproof plug of the utility model.
Fig. 5 is the structural representation of the waterproof grommet of a kind of waterproof plug of the utility model.
Reference numeral: 1, plug body; 2, plug core device; 21, plug core; 22, mounting seat; 23, slotted eye; 24, trip bolt; 3, annular table stepwise structure; 4, waterproof grommet; 5, apparatus for fixing cord; 51, electric wire fixed block; 6, hangers; 7, limited impression; 8, platform structure; 9, self-tapping screw.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in detail.
With reference to Fig. 1, a kind of waterproof plug of the present embodiment, comprise plug body 1, plug core device 2, waterproof grommet 4, apparatus for fixing cord 5, plug body is integrated injection molding, and be provided with annular table stepwise structure 3, plug core device 2 is connected with annular table stepwise structure 3, annular table stepwise structure is to be connected with plug body one, plug body 1 is provided with for screwing the hangers 6 that conveniently holds while connecting, and lay the limited impression 7 of apparatus for fixing cord 5, described apparatus for fixing cord 6 is connected with limited impression 7 couplings, described plug core device 2 is wrapped with waterproof grommet 4 with the crossing bread that annular table stepwise structure 3 connects, described waterproof grommet wraps plug core device 2 lower ends and annular table stepwise structure 3 upper ends, described annular table stepwise structure 3 lower end one attachment plug shells 1, described annular table stepwise structure 3 sizes with mate socket on the detent size that arranges suitable.
With reference to Fig. 2, one-body molded respectively on plug body 1 in the present embodiment have hangers 6, an annular table stepwise structure 3, do so both convenient for assembly, cost-saving again, the limited impression 7 on plug body 1, size, shape are all thought adaptation with electric wire fixed block 51, can ensure better sealing, water proofing property, narrow outer wide pyramidal structure in adopting, both convenient for assembly, can ensure that again outside can not leak easily, improve water proofing property.
With reference to Fig. 3, the one-body molded slotted eye 23 that has installation plug core 21 and electric wire thereof in mounting seat 22 on plug core device 2 in the present embodiment, on slotted eye 23, utilize trip bolt 24 to carry out attachment plug core 21 and electric wire thereof, plug core device 2 is inserted after annular table stepwise structure 3, utilize self-tapping screw 9 to connect, ensure the stability connecting.
With reference to Fig. 4, apparatus for fixing cord 5 in the present embodiment, comprises that two electric wire fixed blocks 51, two pieces of 9, two electric wire fixed blocks 51 of self-tapping screw link together by self-tapping screw 9, and can be by the advance and retreat of self-tapping screw, regulate relative distance, with securing electric lines better more suitably, electric wire fixed block 51 is designed to interior narrow outer wide pyramidal structure, size, shape are all thought adaptation with electric wire fixed block 51, both convenient for assembly, can ensure that again outside can not leak easily, improve fail safe, water proofing property.
With reference to Fig. 5, waterproof grommet 4 in the present embodiment, described waterproof grommet 4 is made up of silica gel material, good sealing, water proofing property are provided, the connecting portion of the size of waterproof grommet 4 and plug core device 2 and annular table stepwise structure 3 is suitable, can wrap plug core device 2 and the position that annular table stepwise structure 3 is connected comprehensively, be interference fit, with the sealed waterproof effect having reached.
In specific embodiment, a kind of waterproof plug, in the time producing assembling, adopt the mode processing sets up of one-body molded engineering plastics to have the plug body 1 of annular table stepwise structure 3, to simplify dress step, difficulty, improve water-tight, on plug body 1, be provided with hangers 6, facilitate holding in installation process simultaneously, platform structure 8, facilitate installing wire fixture 5, the limited impression 7 arranging on platform structure 8 is interior narrow outer wide pyramidal structure, size with electric wire fixed block 51, shape is consistent, ensure the Matching installation of limited impression 7 with electric wire fixed block 51, this pyramidal structure is easy to inside installation, and ensure outside water proofing property, plug core device 2 also one processes mounting seat 22 and the slotted eye 23 that plug core 21 and electric wire are installed, it is fixing that plug core 21 and electric wire pack the rear use trip bolt 24 of slotted eye 23 into, the guide frame arranging in mounting seat can allow plug core device 2 be inserted in smoothly annular table stepwise structure 3, then fix stable plug core device 2 and annular table stepwise structure 3 by self-tapping screw 9, then the waterproof grommet by silica gel material 4 is to interference fit state wraps the position that plug core device is connected with annular table stepwise structure, utilize the elastic reaction of silica gel, the sealed waterproof effect that guarantee has reached, two electric wire fixed blocks 51 are respectively charged into limited impression 7 places of plug body 1 both sides, pyramidal structure can realize the effect of guiding and Fast Installation, the characteristic of recycling self-tapping screw 9 connects two electric wire fixed blocks 51 and forms apparatus for fixing cord 5, by the advance and retreat of self-tapping screw 9, can change the relative displacement of two electric wire fixed blocks 51, one better connects electric wire, ensure fail safe, since then, whole assembling process is complete.
Above-described embodiment, just more preferably one of embodiment of the utility model, within the common variation that those skilled in the art carries out within the scope of technical solutions of the utility model and replacement all should be included in protection range of the present utility model.

Claims (9)

1. a waterproof plug, comprise plug body, plug core device, waterproof grommet, apparatus for fixing cord, described plug body integrated injection molding is also provided with annular table stepwise structure, described plug core device is connected with annular table stepwise structure, described annular table stepwise structure is connected with plug body, it is characterized in that: described plug body is provided with the hangers conveniently holding when connecting, and for laying the limited impression of apparatus for fixing cord, described apparatus for fixing cord is connected with limited impression, described plug core device is wrapped with waterproof grommet with the crossing bread that annular table stepwise structure connects, described waterproof grommet wraps plug core device lower end and annular table stepwise structure upper end, described annular table stepwise structure lower end one attachment plug shell, the detent size arranging on described annular table stepwise physical dimension and socket is suitable.
2. waterproof plug according to claim 1, is characterized in that: described hangers is oppositely arranged on the both sides of plug body the arcuate surface adaptation with plug body.
3. waterproof plug according to claim 1 and 2, it is characterized in that: described limited impression is oppositely arranged on the both sides of plug body and is provided with interior narrow outer wide pyramidal structure, described limited impression is provided with platform structure with the position of plug body phase cross surface, and described limited impression and apparatus for fixing cord are suitable.
4. waterproof plug according to claim 3, is characterized in that: described apparatus for fixing cord is jointly made up of two electric wire fixed blocks and is provided with rounded feature convenient for assembly, and described two electric wire fixed blocks link together by self-tapping screw.
5. waterproof plug according to claim 4, is characterized in that: described electric wire fixed block outline is provided with interior narrow outer wide pyramidal structure.
6. waterproof plug according to claim 5, is characterized in that: described plug core device is that integrated injection molding forms and be provided with the slotted eye for directly inserting plug core and connection electric wire, and it is fixing that described plug core and connection electric wire are directly inserted slotted eye electrical connection.
7. waterproof plug according to claim 6, it is characterized in that: the structural ring-shaped platform of described annular table stepwise is diameter increase one by one down, be less than with the ring-shaped platform diameter of plug body one junction the maximum annular platform diameter being connected with described ring-shaped platform.
8. waterproof plug according to claim 7, is characterized in that: described waterproof grommet is made up of silica gel material, wraps plug core device and the position that annular table stepwise structure is connected, and is interference fit and connects.
9. waterproof plug according to claim 8, is characterized in that: described annular table stepwise structure is connected with the detent interference fit arranging on coupling socket by waterproof grommet.
CN201420301453.3U 2014-06-09 2014-06-09 Waterproof plug Active CN203883231U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420301453.3U CN203883231U (en) 2014-06-09 2014-06-09 Waterproof plug

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420301453.3U CN203883231U (en) 2014-06-09 2014-06-09 Waterproof plug

Publications (1)

Publication Number Publication Date
CN203883231U true CN203883231U (en) 2014-10-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420301453.3U Active CN203883231U (en) 2014-06-09 2014-06-09 Waterproof plug

Country Status (1)

Country Link
CN (1) CN203883231U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113644481A (en) * 2021-07-08 2021-11-12 杭州冬蝉温控设备有限公司 Overload protection waterproof plug

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113644481A (en) * 2021-07-08 2021-11-12 杭州冬蝉温控设备有限公司 Overload protection waterproof plug

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