CN212900019U

CN212900019U - Waterproof coil

Info

Publication number: CN212900019U
Application number: CN202021840515.XU
Authority: CN
Inventors: 张燊
Original assignee: Ningbo Jufeng Gaoke Electric Appliance Co ltd
Current assignee: Ningbo Jufeng Gaoke Electric Appliance Co ltd
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2021-04-06
Anticipated expiration: 2030-08-28

Abstract

The utility model belongs to the technical field of solenoid, concretely relates to waterproof coil, including the main frame, the upper end of main frame is provided with first wave groove, the wedge groove has been seted up to the upper end of main frame, the lower extreme of main frame is provided with second wave groove, the mounting groove has been seted up to the outside of main frame, the inside contact of mounting groove has the enameled wire, the outside of main frame is provided with first skeleton, the outside of first skeleton is provided with the second skeleton, the outside cladding of first skeleton has the package to mould. The utility model discloses a terminal surface at the upper end of main skeleton, lower extreme is respectively by outer to interior setting up a plurality of cyclic annular first wave grooves and second wave groove for the enameled wire is around establishing the completion back, puts together with the skeleton and moulds plastics in injection mold, makes the outside formation package of enameled wire, skeleton mould, improves the compactness between skeleton and the package mould through the wave groove, plays the sealed effect of labyrinth, improves waterproof performance.

Description

Waterproof coil

Technical Field

The utility model relates to an electromagnetic coil technical field specifically is a waterproof coil.

Background

The electromagnetic valve is a common pneumatic element of a high-pressure oil pump coil of an automobile, is widely applied in various industries, and is well known by the public. For example, in an oil line system of an automobile, it is necessary to control the opening and closing of a pipe by means of a solenoid valve. The electromagnetic coil is one of main components of the electromagnetic valve, and the structure of the electromagnetic coil mainly comprises a framework, an enameled wire, a plastic coating and a power line, and electromagnetic attraction can be generated to control the movable iron core of the electromagnetic valve guide head to move by switching on and off the electromagnetic coil, so that the electromagnetic valve is opened and closed.

At present, the existing electromagnetic coil has the defects that the waterproof performance is poor, the use requirement of an underwater environment is difficult to meet, the strength of a framework is not high, the electromagnetic coil is easily affected by jolting operation of an automobile, and even the electromagnetic coil is broken, so that the working performance and the service life are affected. Therefore, it is required to improve it.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a waterproof coil, the defect of having solved solenoid lies in that waterproof performance is relatively poor to the not high problem of intensity of skeleton.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a waterproof coil, includes the main skeleton, the upper end of main skeleton is provided with first wave groove, the wedge groove has been seted up to the upper end of main skeleton, the lower extreme of main skeleton is provided with second wave groove, the mounting groove has been seted up to the outside of main skeleton, the inside contact of mounting groove has the enameled wire, the outside of main skeleton is provided with first skeleton, the outside of first skeleton is provided with the second skeleton, the outside cladding of first skeleton has the package to mould, the left side that the package was moulded is provided with the extension, the internally mounted of extension has the sealing plug, the periphery of sealing plug afterbody is provided with the seal groove.

Preferably, a through hole is formed in the main framework, and the through hole is of a straight cylindrical structure.

Preferably, the first skeleton and the second skeleton are Contraband type structures.

Preferably, the plastic-coated inner part is provided with a positioning step, and the positioning step is communicated with the through hole.

Preferably, the extension part and the plastic coating are of an integral structure.

Preferably, a power line is sleeved inside the sealing plug, and the power line is electrically connected with the enameled wire.

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

1. the utility model discloses a set up first skeleton in the outside of main skeleton, set up the second skeleton in the outside of first skeleton to the longitudinal section of first skeleton, second skeleton all "Contraband" shape, all towards the direction of connecting the power cord, through increasing first skeleton and second skeleton, has strengthened the intensity of main skeleton, thereby improves the holistic intensity of coil.

2. The utility model discloses a terminal surface at the upper end of main skeleton, lower extreme is respectively by outer to interior a plurality of cyclic annular wave grooves that set up for the enameled wire is around establishing the completion back, puts together with the skeleton and moulds plastics in injection mold, makes the outside formation package of enameled wire, skeleton mould, improves the compactness between skeleton and the package are moulded through the wave groove, plays the sealed effect of labyrinth, improves waterproof performance.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of a sealing plug of the present invention;

fig. 3 is a bottom view of the wedge-shaped groove of the present invention.

In the figure: 1. a main framework; 2. a first skeleton; 3. a second skeleton; 4. a first wave groove; 5. a second wave groove; 6. enamelled wires; 7. a through hole; 8. positioning a step; 9. plastic coating; 10. an extension portion; 11. a sealing plug; 12. a sealing groove; 13. a power line; 14. mounting grooves; 15. a wedge-shaped groove.

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.

Examples

Please refer to fig. 1-3, a waterproof coil, including main frame 1, the upper end of main frame 1 is provided with first wave groove 4, wedge groove 15 has been seted up to the upper end of main frame 1, the lower extreme of main frame 1 is provided with second wave groove 5, mounting groove 14 has been seted up to the outside of main frame 1, the inside contact of mounting groove 14 has enameled wire 6, the outside of main frame 1 is provided with first skeleton 2, the outside of first skeleton 2 is provided with second skeleton 3, the outside cladding of first skeleton 2 has the package to mould 9, the left side of the package to mould 9 is provided with extension 10, the internally mounted sealing plug 11 of extension 10, the periphery of 11 afterbody is provided with seal groove 12.

Referring to fig. 1 and 3, a through hole 7 is formed in the main frame 1, and the through hole 7 is a straight cylindrical structure. Through the design of through-hole 7 for install the movable iron core of solenoid valve guide head.

Referring to fig. 1, the first frame 2 and the second frame 3 are Contraband-type structures. Through the design of first skeleton 2 and second skeleton 3 for the intensity of main skeleton 1 is strengthened, thereby improves the holistic intensity of coil.

Referring to fig. 1, a positioning step 8 is disposed inside the plastic-coated part 9, and the positioning step 8 is communicated with the through hole 7. Through the design of location step 8 for the step portion of magnetic tube rather than the cooperation, it is spacing to become the axial, ensures the steadiness of installation, can not appear rocking.

Referring to fig. 1, the extension portion 10 and the plastic-covered portion 9 are an integral structure. Through the design of the plastic-coated wire 9, the effect of protecting the connection between the tail end of the power line 13 and the enameled wire 6 is effectively achieved.

Referring to fig. 1, a power line 13 is sleeved inside the sealing plug 11, and the power line 13 is electrically connected to the enameled wire 6. By the design of the sealing plug 11, external water is prevented from entering the interior of the solenoid valve.

The utility model discloses the concrete implementation process as follows: when in use, the first framework 2 is arranged outside the main framework 1, the second framework 3 is arranged outside the first framework 2, the longitudinal sections of the first framework 2 and the second framework 3 are both in Contraband shapes and face the direction of connecting the power line 13, the strength of the whole coil is improved by adding the first framework 2 and the second framework 3, the end surfaces of the upper end and the lower end of the main framework 1 are respectively provided with a plurality of annular first wave grooves 4 and second wave grooves 5 from outside to inside, thus, in the production process of the coil during injection molding, after the enameled wire 6 is wound in the mounting groove 14, the enameled wire 6 and the main framework 1 are required to be placed in an injection mold for injection molding, the enameled wire 6 and the outer part of the main framework 1 form the plastic-coated 9, the tightness between the main framework 1 and the plastic-coated 9 is improved through the first wave grooves 4 and the second wave grooves 5, and the labyrinth sealing effect is achieved, the waterproof performance is improved, a positioning step 8 arranged inside a plastic-coated 9 is communicated with a through hole 7 in a main framework 1, so that a step part of a magnetic-isolating pipe is matched with the magnetic-isolating pipe to form axial limiting, the installation stability is ensured, no shaking occurs, an extending part 10 is arranged on the left side of the plastic-coated 9, a sealing plug 11 is sleeved outside a power wire 13, a sealing groove 12 is axially arranged on the outer periphery of a part, which extends into the extending part 10, of the sealing plug 11 when the tail part of the sealing plug is installed, so as to improve the sealing performance between the power wire 13 and the plastic-coated 9, the sealing groove 12 also plays a labyrinth sealing effect, the main framework 1 is provided with a wedge-shaped groove 15, so that the end part of the enameled wire 6 can be conveniently wired, the enameled wire 6 is conveniently connected with the power wire 13, the enameled wire 6 and the power wire 13 are connected in the wedge-shaped groove 15, and during subsequent injection, further improving the waterproof effect.

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. A waterproof coil, includes main skeleton (1), its characterized in that: the upper end of main frame (1) is provided with first wave groove (4), wedge groove (15) have been seted up to the upper end of main frame (1), the lower extreme of main frame (1) is provided with second wave groove (5), mounting groove (14) have been seted up to the outside of main frame (1), the inside contact of mounting groove (14) has enameled wire (6), the outside of main frame (1) is provided with first skeleton (2), the outside of first skeleton (2) is provided with second skeleton (3), the outside cladding of first skeleton (2) has the package to mould (9), the left side of package moulding (9) is provided with extension (10), the internally mounted of extension (10) has sealing plug (11), the periphery of sealing plug (11) afterbody is provided with seal groove (12).

2. A water resistant coil as claimed in claim 1, wherein: a through hole (7) is formed in the main framework (1), and the through hole (7) is of a straight cylindrical structure.

3. A water resistant coil as claimed in claim 1, wherein: the first framework (2) and the second framework (3) are Contraband-type structures.

4. A water resistant coil as claimed in claim 1, wherein: the plastic-coated pipe is characterized in that a positioning step (8) is arranged inside the plastic-coated pipe (9), and the positioning step (8) is communicated with the through hole (7).

5. A water resistant coil as claimed in claim 1, wherein: the extension part (10) and the plastic-coated part (9) are of an integrated structure.

6. A water resistant coil as claimed in claim 1, wherein: and a power line (13) is sleeved in the sealing plug (11), and the power line (13) is electrically connected with the enameled wire (6).