CN213905682U

CN213905682U - Waterproof and dustproof three-plug inner frame

Info

Publication number: CN213905682U
Application number: CN202023160650.2U
Authority: CN
Inventors: 柳士杰
Original assignee: Cixi Zhanhong Electronics Co ltd
Current assignee: Cixi Zhanhong Electronics Co ltd
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-08-06
Anticipated expiration: 2030-12-24

Abstract

The utility model discloses a waterproof and dustproof three-plug inner frame, which comprises an inner frame main body and a plug handle, wherein the front end of the inner frame main body is provided with insulating lugs arranged in a triangular manner, the inside of each insulating lug is inserted with an insertion sheet, the front end of each insertion sheet extends to the outside of each insulating lug, a rectangular rubber ring is fixed in the middle of the front end of each insulating lug, the rectangular rubber ring is sleeved on the outer wall of each insertion sheet, the front side of the outer wall of the inner frame main body extends outwards and is fixed with a panel sheet, a convex ring block is fixed in the middle of the rear end of the panel sheet, the rear end of the inner frame main body is provided with an insulating tube, a wiring tube is fixed on the inner wall of the insulating tube, the front end of the plug handle is provided with a shallow groove matched with the outer diameter of the panel sheet, the edge of the shallow groove is provided with a ring groove matched with the convex ring block, the front side of the inner wall is bonded with a protective ring in interference fit with the panel sheet, the protective ring and the rectangular rubber ring are arranged, so that external moisture and dust are difficult to enter the device, the insulating tube is arranged, the problem that zero and live wires are easy to short circuit is solved, and the safety is high.

Description

Waterproof and dustproof three-plug inner frame

Technical Field

The utility model relates to a plug inner tower technical field specifically is a waterproof dirt-proof three plug inner towers.

Background

In general, the power source of the industrial machine in daily life is mainly inserted into a female socket (the female socket can be a socket fixed on a wall surface or a female plug of an extension cord) by a wire plug, and conducts current for use.

The plug inner frame is an important component of the plug, the main body of the inner frame mainly comprises an inner frame body, and the inner frame body can provide a solid terminal for integral injection molding or provide a through hole for the arrangement of another hollow type terminal. The general plug inner frame and the plug seat have poor sealing performance when being installed, so that moisture and dust can easily enter the plug, and therefore, a waterproof and dustproof three-plug inner frame is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a waterproof dirt-proof three plug inner framves have waterproof dirt-proof advantage, have solved the problem of proposing in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a waterproof and dustproof three-plug inner frame comprises an inner frame main body and a plug handle, wherein the front end of the inner frame main body is provided with insulating convex blocks which are arranged in a triangular manner, the inner parts of the insulation convex blocks are all inserted with inserting pieces, the front ends of the inserting pieces extend to the outer parts of the insulation convex blocks, a rectangular rubber ring is fixed in the middle of the front end of the insulation bump, the rectangular rubber ring is sleeved on the outer wall of the insert, the front side of the outer wall of the inner frame main body extends outwards to be fixed with a panel sheet, the middle of the rear end of the panel sheet is fixed with a convex ring block, the rear end of the inner frame main body is provided with insulating tubes which are in one-to-one correspondence with the insulating lugs, the inner wall of each insulating tube is fixed with a wiring tube, the plug handle front end seted up with the shallow slot of panel piece external diameter adaptation, shallow slot edge all seted up with the annular of bulge loop piece adaptation, shallow slot inner wall front side bond have with panel piece interference fit's guard ring.

Preferably, an integrally formed anti-slip wire handle is arranged in the middle of the rear end of the plug handle, the rear end of the anti-slip wire handle is connected with a wire, and anti-slip lines are uniformly arranged on the outer wall of the anti-slip wire handle.

Preferably, the front end of the insulation lug is provided with an inserting sheet hole matched with the inserting sheet, and the other end of the inserting sheet hole extends into the inner frame main body.

Preferably, the rear side inside the inner frame main body is provided with a wiring hole, the front end of the wiring hole is communicated with the plug piece hole, and the rear end of the wiring hole is communicated with the wiring pipe.

Preferably, a reinforcing seat is fixed on the outer wall of the connecting side of the insulating tube and the inner frame main body, and the front end of the reinforcing seat is connected to the rear end of the inner frame main body in an injection molding mode.

Preferably, the inner frame main body is made of fireproof fiber-added PBT plastic, and the inserting pieces are made of H62 brass.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model is provided with the convex ring block which is embedded and installed inside the ring groove, and the rear end of the protective ring is propped against the front end of the panel sheet, so that external moisture and dust are difficult to enter the device through the gap between the panel sheet and the shallow groove; set up rectangle rubber circle for outside moisture and dust are difficult to enter into this device through the gap between inserted sheet hole and the inserted sheet inside, set up the reinforcement seat, have strengthened the intensity of interior frame main part, when making the installation, interior frame main part can not break at inserted sheet hole, wiring hole department, the insulating tube of setting, when making zero line, live wire and inserted sheet connect, can not contact each other, improve the problem of zero, the easy short circuit of live wire, also play waterproof dirt-proof effect, and the security is high.

Drawings

Fig. 1 is a schematic view of a first view structure of the present invention;

fig. 2 is a schematic view of a second view structure of the present invention;

fig. 3 is a schematic view of the connection structure of the inner frame main body and the plug handle of the present invention.

In the figure: 1. an inner frame body; 2. an insulating bump; 3. a rectangular rubber ring; 4. inserting sheets; 5. a panel sheet; 6. a convex ring block; 7. a reinforcing seat; 8. an insulating tube; 81. a wire connecting pipe; 9. a plug handle; 91. a ring groove; 10. an anti-slip wire handle; 11. a wire; 12. a blade insertion hole; 13. a wiring hole; 14. a guard ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: a waterproof and dustproof three-plug inner frame comprises an inner frame main body 1 and a plug handle 9, wherein the inner frame main body 1 is made of fireproof and fiber-added PBT plastic, fireproof, corrosion-resistant and high in safety, an insulating convex block 2 which is arranged in a triangular mode is arranged at the front end of the inner frame main body 1, inserting pieces 4 are installed inside the insulating convex block 2 in an inserted mode, the inserting pieces 4 are made of H62 brass materials and good in conductivity, the front end of each inserting piece 4 extends to the outside of the insulating convex block 2, a rectangular rubber ring 3 is fixed in the middle of the front end of the insulating convex block 2, the rectangular rubber ring 3 is sleeved on the outer wall of each inserting piece 4, external moisture and dust are difficult to enter the inner frame through a gap between an inserting piece hole 12 and the inserting piece 4 due to the arrangement of the rectangular rubber ring 3, a panel piece 5 is fixed on the front side of the outer wall of the inner frame main body 1 in an outward extending mode, and a convex ring block 6 is fixed in the middle of the rear end of the panel piece 5, the rear end of the inner frame main body 1 is provided with an insulating tube 8 which is in one-to-one correspondence with the insulating lug 2, the outer wall of one side of the insulating tube 8 connected with the inner frame main body 1 is fixed with a reinforcing seat 7, the front end of the reinforcing seat 7 is connected with the rear end of the inner frame main body 1 in an injection molding manner, the strength of the inner frame main body 1 is enhanced, the inner wall of the insulating tube 8 is fixed with a wiring tube 81, the front end of the insulating lug 2 is provided with an inserting piece hole 12 matched with the inserting piece 4, the other end of the inserting piece hole 12 extends into the inner frame main body 1, the rear side of the inner frame main body 1 is provided with a wiring hole 13, the front end of the wiring hole 13 is communicated with the inserting piece hole 12, the rear end of the wiring hole 13 is communicated with the wiring tube 81, when the inner frame main body is used, the inserting piece 4 enters the inside of the inserting piece hole 12, a zero line and a fire line respectively enter the corresponding wiring tube 81 and enter the inside of the wiring hole 13, finally, the plug is connected with a corresponding inserting piece 4, a shallow groove matched with the outer diameter of the panel piece 5 is formed in the front end of the plug handle 9, annular grooves 91 matched with the convex ring blocks 6 are formed in the edges of the shallow grooves, a protective ring 14 in interference fit with the panel piece 5 is bonded on the front side of the inner wall of the shallow groove, the protective ring 14 is made of insulating rubber, the cross section of the protective ring 14 is in a right-angled triangle shape, the panel piece 5 is embedded and installed in the shallow groove when the plug is used, the convex ring blocks 6 are embedded and installed in the annular grooves 91, and the rear end of the protective ring 14 abuts against the front end of the panel piece 5, so that external moisture and dust are difficult to enter the device through gaps between the panel piece 5 and the shallow grooves;

the plug is characterized in that an integrally formed anti-slip wire handle 10 is arranged in the middle of the rear end of the plug handle 9, a wire 11 is connected to the rear end of the anti-slip wire handle 10, and anti-slip lines are uniformly arranged on the outer wall of the anti-slip wire handle 10, so that when the plug is plugged in and pulled out of the device, friction force is large, and the plug is convenient to use.

The working principle is as follows: when the waterproof and dustproof three-plug inner frame is used, the inner frame main body 1 and the plug handle 9 are installed, the set panel sheet 5 is embedded and installed inside the shallow groove, the convex ring block 6 is embedded and installed inside the annular groove 91, the rear end of the protective ring 14 abuts against the front end of the panel sheet 5, so that external moisture and dust are difficult to enter the device through a gap between the panel sheet 5 and the shallow groove, the rectangular rubber ring 3 is arranged, external moisture and dust are difficult to enter the device through a gap between the plug sheet hole 12 and the plug sheet 4, the reinforcing seat 7 is arranged, the strength of the inner frame main body 1 is enhanced, the inner frame main body 1 cannot crack at the plug sheet hole 12 and the wiring hole 13 during installation, the arranged insulating tube 8 is arranged, when the zero line, the live line and the plug sheet 4 are connected, the mutual contact is avoided, the problem that the zero line and the live line are easy to short circuit is solved, and the waterproof and dustproof effects are also achieved, the safety is high.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a waterproof dirt-proof three plug inner tower, includes inner tower main part (1) and plug handle (9), its characterized in that: the front end of the inner frame main body (1) is provided with insulating convex blocks (2) which are arranged in a triangular mode, the inner parts of the insulating convex blocks (2) are all provided with inserting pieces (4) in an inserting mode, the front ends of the inserting pieces (4) extend to the outer parts of the insulating convex blocks (2), a rectangular rubber ring (3) is fixed in the middle of the front ends of the insulating convex blocks (2), the rectangular rubber ring (3) is sleeved on the outer wall of the inserting pieces (4), the front side of the outer wall of the inner frame main body (1) is outwards extended and fixed with a panel piece (5), a convex ring block (6) is fixed in the middle of the rear end of the panel piece (5), the rear end of the inner frame main body (1) is provided with insulating tubes (8) which correspond to the insulating convex blocks (2) one by one, wiring tubes (81) are fixed on the inner wall of each insulating tube (8), the front end of the plug handle (9) is provided with a shallow groove which is matched with the outer diameter of the panel piece (5), shallow slot edge all seted up with annular (91) of protruding ring piece (6) adaptation, shallow slot inner wall front side bond have with panel piece (5) interference fit's guard ring (14).

2. The waterproof and dustproof three-plug inner frame according to claim 1, characterized in that: the plug is characterized in that an integrally formed anti-skid wire handle (10) is arranged in the middle of the rear end of the plug handle (9), the rear end of the anti-skid wire handle (10) is connected with a wire (11), and anti-skid lines are uniformly arranged on the outer wall of the anti-skid wire handle (10).

3. The waterproof and dustproof three-plug inner frame according to claim 1, characterized in that: the front end of the insulation lug (2) is provided with an inserting piece hole (12) matched with the inserting piece (4), and the other end of the inserting piece hole (12) extends into the inner frame main body (1).

4. The waterproof and dustproof three-plug inner frame according to claim 3, characterized in that: the inside rear side of inner tower main part (1) is opened and is equipped with wiring hole (13), wiring hole (13) front end with inserted sheet hole (12) intercommunication, wiring hole (13) rear end with wire connection pipe (81) intercommunication.

5. The waterproof and dustproof three-plug inner frame according to claim 1, characterized in that: the outer wall of one side of the insulating tube (8) and the inner frame main body (1) is fixed with a reinforcing seat (7), and the front end of the reinforcing seat (7) is connected to the rear end of the inner frame main body (1) in an injection molding mode.

6. The waterproof and dustproof three-plug inner frame according to claim 1, characterized in that: the inner frame main body (1) is made of fireproof fiber-added PBT plastic, and the inserting pieces (4) are made of H62 brass.