CN221150391U

CN221150391U - Waterproof connector

Info

Publication number: CN221150391U
Application number: CN202322471485.XU
Authority: CN
Inventors: 丁青松
Original assignee: NINGBO CONNFLY ELECTRONIC CO Ltd
Current assignee: NINGBO CONNFLY ELECTRONIC CO Ltd
Priority date: 2023-09-12
Filing date: 2023-09-12
Publication date: 2024-06-14
Anticipated expiration: 2033-09-12

Abstract

The utility model discloses a waterproof connector which comprises a male head and a female head, wherein the male head comprises a male terminal, a male rubber core, a dustproof cap, a male sealing ring and a nut, the female head comprises a female sealing ring, a female rubber core, a female terminal, a cover, a nut, an inner film and an outer film, a male terminal clamping point is arranged in the middle of the male terminal, the male terminal is inserted into a pin hole of the male rubber core, the connector has good waterproof capacity, the male head and the female head are connected through a wire end, and the waterproof performance is further improved through wrapping of the inner film and the outer film.

Description

Waterproof connector

Technical Field

The utility model relates to the technical field of connectors, in particular to a waterproof connector.

Background

At present, the photovoltaic panel and the wind power generation equipment are basically installed on high altitude mountains or seasides, rainwater weather is often encountered, humidity in the air is high, the traditional cable connecting component can fail in a short time due to erosion of rainwater, and the failure of the component can cause the whole equipment to work abnormally, so that huge loss is generated, and therefore, in order to ensure that the equipment can work continuously and with high reliability under the complex environments, the waterproof connecting component with high reliability must be used.

Disclosure of utility model

In view of the above-mentioned problems in the related art, the present utility model provides a waterproof connector, which can solve the above-mentioned problems.

In order to achieve the technical purpose, the technical scheme of the utility model is realized as follows:

The waterproof connector comprises a male head and a female head, wherein the male head comprises a male terminal, a male rubber core, a dustproof cap, a male sealing ring and a nut, the female head comprises a female sealing ring, a female rubber core, a female terminal, a cover, a nut, an inner film and an outer film, a male terminal clamping point is arranged in the middle of the male terminal, the male terminal is inserted into a pin hole of the male rubber core, the male terminal clamping point is in interference fit with the pin hole of the male rubber core, a bottom cap ring of the dustproof cap, the male sealing ring and the nut are sleeved into outer teeth of the male rubber core in sequence, inner teeth of the nut are matched with the outer teeth of the male rubber core, the outer teeth of the male rubber core are inserted into a cap cover of the dustproof cap, a male rubber core fool-proof block is arranged in the female rubber core, a female rubber core fool-proof groove is machined on the female rubber core, a nut limit ring is arranged in the middle of the male rubber core fool-proof block and is matched with the female rubber core fool-proof groove, the nut limiting ring is provided with a step of a masterbatch core, the nut sealing ring is sleeved outside the masterbatch core, one end of the masterbatch terminal is inserted into a pin hole of the masterbatch core, the other end of the masterbatch terminal is inserted into a pin hole of a cover, the middle part of the masterbatch terminal is provided with an upper limit block of the masterbatch terminal and a lower limit block of the masterbatch terminal, the lower limit block of the masterbatch terminal is matched with the pin hole of the masterbatch core, the upper limit block of the masterbatch terminal is matched with the pin hole of the cover, the nut is sleeved in the masterbatch terminal, the nut is matched with the nut limiting ring, the male terminal and the masterbatch terminal are respectively provided with a terminal welding cup, the terminal welding cup is connected with an electric wire through welding, the outer side of the masterbatch is covered with an inner film, the outer side of the inner film is covered with an outer film, the surface of the inner film is provided with a plurality of anti-slip grooves, the outer film is provided with a nut anti-withdrawal plane and an outer film concave-convex surface, the nut slides between the outer membrane nut anti-withdrawal plane and the nut stop collar.

Further, plane trimming is processed on the outer side of the male rubber core, the inner side of the dustproof cap, the inner side of the male sealing ring and the inner side of the nut.

Further, grooves, word sizes and steps of the male rubber core are machined on the male rubber core.

Further, the nut is provided with nut inner teeth, and the nut inner teeth are matched with the male rubber core outer teeth.

Further, the terminal welding cup opening is provided with a tin baffle plate.

Further, the inner film and the outer film are formed by processing a plastic mold and an injection molding machine.

The utility model has the beneficial effects that: the connector has good waterproof capability, the male and female heads are connected by the wire ends, and the waterproof performance is further improved through the wrapping of the inner film and the outer film.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

The utility model is described in further detail below with reference to the accompanying drawings.

Fig. 1 is a schematic view of a waterproof connector according to an embodiment of the present utility model;

Fig. 2 is a schematic structural view of a waterproof connector according to an embodiment of the present utility model;

fig. 3 is an exploded view of a waterproof connector according to an embodiment of the present utility model;

fig. 4 is a structural exploded view of a waterproof connector according to an embodiment of the present utility model.

In the figure: 1. a male; 2. a female head; 3. a welding cup opening; 4. an electric wire; 11. a male terminal; 111. a male terminal stuck point; 12. a male rubber core; 121. pin holes of the male rubber core; 122. outer teeth of the male rubber core; 123. a groove; 124. a word size; 125. a step of the male rubber core; 126. a fool-proof block of the male rubber core; 13. a dust cap; 14. a male seal ring; 15. a nut; 151. a nut inner tooth; 21. a female seal ring; 22. a masterbatch core; 221. a master batch core fool-proof groove; 222. a nut stop collar; 223. a step of a masterbatch core; 224. pin holes of the masterbatch core; 23. a female terminal; 231. a limiting block on the female terminal; 232. a lower limit block of the female terminal; 24. a cover; 241. a lid pin hole; 25. a screw cap; 251. screw cap inner teeth; 26. an inner membrane; 261. an anti-slip groove; 27. an outer membrane; 271. the outer film nut is prevented from backing out of the plane; 272. an outer film uneven surface.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which are derived by a person skilled in the art based on the embodiments of the utility model, fall within the scope of protection of the utility model.

As shown in fig. 1-4, the waterproof connector according to the embodiment of the utility model comprises a male head 1 and a female head 2, wherein the male head 1 comprises a male terminal 11, a male rubber core 12, a dustproof cap 13, a male sealing ring 14 and a nut 15, the female head 2 comprises a female sealing ring 21, a female rubber core 22, a female terminal 23, a cover 24, a nut 25, an inner film 26 and an outer film 27, a male terminal clamping point 111 is arranged in the middle of the male terminal 11, the male terminal 11 is inserted into a male rubber core pin hole 121, the male terminal clamping point 111 is in interference fit with the male rubber core pin hole 121, a bottom cap ring of the dustproof cap 13, the male sealing ring 14 and the nut 15 are sleeved in a male rubber core outer tooth 122 in sequence, a nut inner tooth 151 is matched with the male rubber core outer tooth 122, the male rubber core outer tooth 122 is inserted into a cap of the dustproof cap 13, a male rubber core fool-proof block 126 is arranged inside the male rubber core 12, a female rubber core fool-proof groove 221 is processed on the female rubber core 22, the middle part is provided with a nut spacing ring 222, the male rubber core fool-proof block 126 is matched with the female rubber core fool-proof groove 221, the nut spacing ring 222 is provided with a female rubber core step 223, the female sealing ring 21 is sleeved outside the female rubber core 22, one end of the female terminal 23 is inserted into a female rubber core pin hole 224, the other end is inserted into a cover pin hole 241, the middle part of the female terminal 23 is provided with a female terminal upper limit block 231 and a female terminal lower limit block 232, the female terminal lower limit block 232 is matched with the female rubber core pin hole 224, the female terminal upper limit block 231 is matched with the cover pin hole 241, the nut 25 is sleeved into the female terminal 23 and the female rubber core 22, the nut 25 is matched with the nut spacing ring 222, the male terminal 11 and the female terminal 23 are provided with a terminal cup welding mouth 3, the terminal cup mouth 3 is connected with the electric wire 4 through welding, the female head 2 is covered with the inner membrane 26 on the outer side, the outer side of the inner membrane 26 is covered with the outer membrane 27, a plurality of anti-slip grooves 261 are designed on the surface of the inner membrane 26, an outer membrane nut anti-back plane 271 and an outer membrane concave-convex surface 272 are designed on the outer membrane 27, and the nut 25 slides between the outer membrane nut anti-back plane 271 and the nut limiting ring 222.

In one embodiment of the present utility model, the outer side of the male rubber core 12, the inner side of the dust cap 13, the inner side of the male seal ring 14 and the inner side of the nut 15 are processed with planar trimming.

In one embodiment of the present utility model, the male rubber core 12 is provided with a groove 123, a letter 124, and a male rubber core step 125.

In one embodiment of the present utility model, the nut 25 is machined with nut inner teeth 251, the nut inner teeth 251 mating with the male core outer teeth 122.

In a specific embodiment of the present utility model, the terminal welding cup opening 3 is provided with a tin shielding plate.

In one embodiment of the present utility model, the inner film 26 and the outer film 27 are formed by plastic molding and injection molding.

In order to facilitate understanding of the above technical solutions of the present utility model, the following describes the above technical solutions of the present utility model in detail by a specific usage manner.

When the application is used, for assembling the male connector 1, firstly, the male terminal 11 is inserted into the male rubber core 12, then the bottom of the dustproof cap 13 is sleeved with the male rubber core outer teeth 122, then the male sealing ring 14 is sleeved with the male rubber core outer teeth 122, and in order to prevent the dustproof cap 13 and the male sealing ring 14 from rotating, plane trimming edges are designed on the male rubber core 12, the dustproof cap 13 and the male sealing ring 14, and finally, the male connector 1 is installed after the nut 15 is fastened through the fastening of the nut inner teeth 151 and the male rubber core outer teeth 122.

For the assembly of female head 2, insert female terminal 23 in the female pin hole 224 first, female terminal 23 is equipped with female terminal stopper 232 down, stopper 232 down and the step cooperation in the female pin hole 224 of female terminal, in order to reach the spacing purpose of equipment, female terminal 23 inserts behind female pin hole 224, pack into female terminal 23 with lid 24, the terminal welds rim of a cup 3 and passes lid pin hole 241, then push down, when lid 24 presses the stopper 231 on the female terminal, lid 24 accomplishes the equipment, simultaneously, female terminal 23 has also accomplished ascending spacing requirement, the stopper of female terminal 23 can make female terminal 23 form good location and not become flexible in female pin hole 224. After the cover 24 is assembled, the nut 25 is arranged on the masterbatch core 22, a nut limit ring 222 is arranged on the masterbatch core 22, the nut limit ring 222 can prevent the nut 25 from falling forwards, after the nut 25 is assembled, the electric wire 4 is welded on the terminal welding cup opening 3 of the masterbatch terminal 23, and in order to prevent tin flowing during welding, a tin baffle plate is arranged near the terminal welding cup opening 3 and can prevent tin from flowing into the masterbatch terminal 23. In order to improve the waterproof performance of the welding part, a welded product is put into a plastic mold, the plastic mold is molded by an injection molding machine, the molding is divided into two ways, the first way is an inner film 26, after the inner film 26 is molded, the electric wire 4, the female terminal 23 and the female rubber core 22 can be completely wrapped, the welding part after the wrapping is completely protected, the inner film 26 is molded, the outer film 27 is molded again, the inner film 26 is directly molded, the molding is finished by the injection molding machine and the molding mold, a plurality of anti-slip grooves 261 are designed on the inner film 26, the outer film 27 is tightly wrapped with the inner film 26 under the action of the anti-slip grooves 261, the outer film 27 can be freely slid in the space between the outer film nut anti-back plane 271 and the nut limiting ring 222 after the outer film 27 is molded, the outer film nut 25 can not fall forwards, and can not fall backwards, and a plurality of concave convex surfaces 272 are designed on the outer film 27 in order to ensure certain hand feeling and increase friction force between the outer film 27 and a finger during insertion and extraction. In order to prevent the male and female heads from being inserted, a female rubber core fool-proof groove 221 is designed on the female rubber core 22, a male rubber core fool-proof block 126 is designed on the male rubber core 12, and only the female rubber core fool-proof groove 221 on the female rubber core 22 is aligned with the male rubber core fool-proof block 126 on the male rubber core 12, so that the male and female heads can be effectively protected from being inserted under the condition of blind insertion. In order to further improve the waterproof performance of the male and female heads, a female sealing ring 21 is also designed in front of the butt joint of the female head 2 and the male head 1, after the butt joint of the male and female heads, the inner teeth 251 of the nut arranged on the female head 2 are fastened with the outer teeth 122 of the male rubber core 12, and the female sealing ring 21 sleeved on the female rubber core 22 can realize airtight fit under the fastening force of the inner teeth 251 of the nut and the outer teeth 122 of the male rubber core, so that the waterproof purpose is achieved.

Considering the automatic process after the product is batched, the male rubber core step 125 and the female rubber core step 223 are further designed on the male rubber core 12 and the female rubber core 22, so that the vibration disc can be distinguished in direction, the direction consistency in feeding in the automatic assembly process is ensured, the dust cap 13 is further designed on the male head 1, when the product is not used, the dust cap 13 can cover the key contact part which is opposite to the female head 2, and dust, water vapor and the like can be prevented from entering the product.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. The utility model provides a waterproof connector, includes public head (1), female head (2), its characterized in that: the male head (1) comprises a male terminal (11), a male rubber core (12), a dustproof cap (13), a male sealing ring (14) and a nut (15), the female head (2) comprises a female sealing ring (21), a female rubber core (22), a female terminal (23), a cover (24), a nut (25), an inner film (26) and an outer film (27), a male terminal clamping point (111) is arranged in the middle of the male terminal (11), the male terminal (11) is inserted into a male rubber core pin hole (121), the male terminal clamping point (111) and the male rubber core pin hole (121) are in interference fit, a bottom cap ring of the dustproof cap (13) and the male sealing ring (14) are sleeved with a male rubber core outer tooth (122) in sequence, the nut inner tooth (151) is matched with the male rubber core outer tooth (122), the male rubber core outer tooth (122) is inserted into a cap cover of the dustproof cap (13), a male rubber core block (126) is arranged in the male rubber core (12), a fool-proof core (22) is provided with a fool-proof ring (222) and a limit groove (222) is formed in the middle of the female rubber core (221), the female seal ring (21) is sleeved outside the female rubber core (22), one end of the female terminal (23) is inserted into a female rubber core pin hole (224), the other end of the female terminal is inserted into a cover pin hole (241), an upper limit block (231) of the female terminal and a lower limit block (232) of the female terminal are arranged in the middle of the female terminal (23), the lower limit block (232) of the female terminal is matched with the female rubber core pin hole (224), the upper limit block (231) of the female terminal is matched with the cover pin hole (241), the nut (25) is sleeved inside the female terminal (23) and the female rubber core (22), the nut (25) is matched with the nut limit ring (222), the male terminal (11) and the female terminal (23) are respectively provided with a terminal cup welding opening (3), the terminal cup opening (3) is connected with an electric wire (4) through welding, the outer side of the female terminal (2) is covered with an inner film (26), the outer side of the inner film (26) is covered with a convex surface (27) of the nut (27), the nut (27) is provided with a plurality of concave-convex surface (27) and a plurality of concave-convex surface (27) is designed on the surface (261), the nut (25) slides between the outer membrane nut anti-back plane (271) and the nut retainer (222).

2. A waterproof connector according to claim 1, wherein: the outer side of the male rubber core (12), the inner side of the dustproof cap (13), the inner side of the male sealing ring (14) and the inner side of the nut (15) are provided with plane trimming.

3. A waterproof connector according to claim 1, wherein: the male rubber core (12) is provided with a groove (123), a character size (124) and a male rubber core step (125).

4. A waterproof connector according to claim 1, wherein: the nut (25) is provided with nut inner teeth (251), and the nut inner teeth (251) are matched with the male rubber core outer teeth (122).

5. A waterproof connector according to claim 1, wherein: the terminal welding cup opening (3) is provided with a tin baffle.

6. A waterproof connector according to claim 1, wherein: the inner film (26) and the outer film (27) are formed by processing a plastic mold and an injection molding machine.