CN212750525U - Lead wire type electromagnetic coil - Google Patents

Abstract

The utility model belongs to the technical field of solenoid, concretely relates to lead wire formula solenoid, including skeleton, extension, power cord, the outside of skeleton is around being equipped with the enameled wire, the upper end of skeleton is provided with the packing ring, the lower extreme of skeleton is provided with down the packing ring, the inside of skeleton is provided with the through-hole, the outside cladding of skeleton has the package to mould, the left side that the package was moulded is provided with the extension, the inside fixedly connected with conducting rod of extension, the end of power cord is seted up flutedly, the inside fixedly connected with spring of recess. The utility model discloses a cup joint the stopper in the outside of power cord, the partial periphery that stretches into the extension when the afterbody of stopper is installed sets up the seal groove along the axial, and the purpose is for improving the leakproofness between the extension that power cord and package were moulded, and the seal groove has also played the sealed effect of labyrinth simultaneously, has also improved waterproof performance.

Description

Lead wire type electromagnetic coil

Technical Field

The utility model relates to an electromagnetic coil technical field specifically is a lead wire formula solenoid.

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, particularly, a power line stretches into a plastic-coated place, and the power line is very troublesome to install and easy to fall off. Therefore, improvements are needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lead wire formula solenoid has solved the not enough and inconvenient installation of power cord of waterproof performance, the problem that drops easily.

In order to achieve the above object, the utility model provides a following technical scheme: a lead type electromagnetic coil comprises a framework, an extension part and a power line, wherein an enameled wire is wound outside the framework, an upper gasket is arranged at the upper end of the framework, a lower gasket is arranged at the lower end of the framework, a through hole is formed inside the framework, a plastic coating is coated outside the framework, an extension part is arranged on the left side of the plastic coating, a conductive rod is fixedly connected inside the extension part, a groove is formed in the tail end of the power line, a spring is fixedly connected inside the groove, the conductive rod is contacted with the tail end of the spring, a limiting block is sleeved outside the power line, a sealing groove is formed in the periphery of the tail part of the limiting block, a sealing plug is fixedly connected on the left side of the extension part, a clamping groove is formed inside the sealing plug, a clamping block is clamped inside the clamping groove, an elastic sheet is fixedly connected, and a power line is sleeved inside the clamping ring.

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

Preferably, the number of the positioning tables is two, and the two positioning tables are symmetrically distributed.

Preferably, the upper end of the conducting rod is provided with a connector, and the connector is electrically connected with the enameled wire.

Preferably, the outside cladding of seal groove has the extension of package moulding.

Preferably, the upper gasket and the lower gasket are O-shaped rings and are made of rubber.

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

1. the utility model discloses a cup joint the stopper in the outside of power cord, the partial periphery that stretches into the extension when the afterbody of stopper is installed sets up the seal groove along the axial, and the purpose is for improving the leakproofness between the extension that power cord and package were moulded, and the seal groove has also played the sealed effect of labyrinth simultaneously, has also improved waterproof performance.

2. The utility model discloses an at the left side fixed connection sealing plug of extension, the draw-in groove is seted up to the inside of sealing plug, the inside joint fixture block of draw-in groove, the lower extreme fixed connection shell fragment of fixture block, the left side fixed connection snap ring of shell fragment, the power cord is cup jointed to the inside of snap ring, has made things convenient for the installation of power cord and to the fixed of power cord, prevents to drop.

Drawings

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

fig. 2 is an enlarged view of the structure of fig. 1 according to the present invention;

fig. 3 is an appearance schematic diagram of the present invention.

In the figure: 1. a framework; 2. enamelled wires; 3. an upper gasket; 4. a lower gasket; 5. a positioning table; 6. plastic coating; 7. an extension portion; 8. a conductive rod; 9. a connector; 10. a power line; 11. a groove; 12. a spring; 13. a limiting block; 14. a sealing groove; 15. a sealing plug; 16. a card slot; 17. a clamping block; 18. a spring plate; 19. a snap ring; 101. and a through hole.

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

Referring to fig. 1-3, a lead type electromagnetic coil comprises a framework 1, an extension portion 7, a power cord 10, an enameled wire 2 wound outside the framework 1, an upper gasket 3 arranged at the upper end of the framework 1, a lower gasket 4 arranged at the lower end of the framework 1, a through hole 101 arranged inside the framework 1, a plastic-coated 6 wrapped outside the framework 1, an extension portion 7 arranged on the left side of the plastic-coated 6, the plastic-coated 6 and the extension portion 7 being an integral structure, a conductive rod 8 fixedly connected inside the extension portion 7, a groove 11 arranged at the end of the power cord 10, a spring 12 fixedly connected inside the groove 11, a conductive rod 8 contacted at the end of the spring 12, a limit block 13 sleeved outside the power cord 10, a seal groove 14 arranged on the outer periphery of the tail portion of the limit block 13, a seal plug 15 fixedly connected on the left side of the extension portion 7, a seal plug 16 arranged inside, the lower end of the clamping block 17 is fixedly connected with an elastic sheet 18, the left side of the elastic sheet 18 is fixedly connected with a clamping ring 19, and the power line 10 is sleeved inside the clamping ring 19.

Referring to fig. 1, a positioning table 5 is disposed inside the plastic-coated 6, and the positioning table 5 is communicated with the through hole 101. The movable iron core of the electromagnetic valve guide head is installed through the design of the through hole 101 and through the design of the through hole 101.

Referring to fig. 1 and 3, the number of the positioning tables 5 is two, and the two positioning tables 5 are symmetrically distributed. Through the design of location step 5 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. 1-2, a connector 9 is disposed at an upper end of the conductive rod 8, and the connector 9 is electrically connected to the enameled wire 2. Through the design of the connector 9, the conducting rod 8 can conduct electricity with the enameled wire 2.

Referring to fig. 1-2, the exterior of the sealing groove 14 is covered with an extension portion 7 covered with plastic 6. By the design of the sealing groove 14, the sealing performance between the power line 10 and the extension part 7 of the plastic-coated 6 is improved, and meanwhile, the waterproof performance is improved.

Referring to fig. 1 and 3, the upper gasket 3 and the lower gasket 4 are O-rings and are made of rubber. The rubber material has good air tightness.

The utility model discloses the concrete implementation process as follows: when in use, the enameled wire 2 is wound outside the framework 1, then the upper and lower ends of the framework 1 are respectively provided with the upper gasket 3 and the lower gasket 4 of the O-shaped ring, the enameled wire 2 and the framework 1 are required to be placed in an injection mold for injection molding, the plastic-coated 6 after injection molding is reserved with the positioning table 5, the position of the positioning table 5 is consistent with the upper and lower parts of the through hole 101 in the framework 1, the movable iron core of the electromagnetic valve guide head is used for mounting, the step part of the magnetism isolating pipe is matched with the positioning table 5 to form axial spacing through the design of the positioning table 5, the mounting stability is ensured, no shaking occurs, the extension part 7 is arranged on the left side of the plastic-coated 6, the limiting block 13 is sleeved outside the power wire 10, the sealing groove 14 is axially arranged on the periphery of the part extending into the extension part 7 when the tail part of the limiting block 13 is mounted, and the aim of, seal groove 14 has also played labyrinth seal's effect, waterproof performance is improved, recess 11 has been seted up at the end of power cord 10, inside fixedly connected with spring 12 at recess 11, spring 12's end contact has the conducting rod 8 of the inside fixed connection of extension 7, the upper end of conducting rod 8 is provided with connector 9, connector 9 and enameled wire 2 electric connection, thereby make electric connection between power cord 10 and the enameled wire 2, and simultaneously, the left side fixed connection sealing plug 15 of extension 7, draw-in groove 16 is seted up to sealing plug 15's inside, the inside joint fixture block 17 of draw-in groove 16, the lower extreme fixed connection shell fragment 18 of fixture block 17, the left side fixed connection snap ring 19 of shell fragment 18, power cord 10 is cup jointed to the inside of snap ring 19, power cord 10's installation and power cord 10's fixed have been made things convenient for, prevent.

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 (6)

1. The utility model provides a lead wire formula solenoid, includes skeleton (1), extension (7), power cord (10), its characterized in that: the enameled wire is wound outside the framework (1) and provided with an enameled wire (2), an upper gasket (3) is arranged at the upper end of the framework (1), a lower gasket (4) is arranged at the lower end of the framework (1), a through hole (101) is formed inside the framework (1), a package plastic (6) is coated outside the framework (1), an extending portion (7) is arranged on the left side of the package plastic (6), a conducting rod (8) is fixedly connected inside the extending portion (7), a groove (11) is formed in the tail end of the power line (10), a spring (12) is fixedly connected inside the groove (11), the conducting rod (8) is contacted with the tail end of the spring (12), a limiting block (13) is sleeved outside the power line (10), a sealing groove (14) is formed in the periphery of the tail portion of the limiting block (13), and a sealing plug (15) is fixedly connected to the left side, draw-in groove (16) have been seted up to the inside of sealing plug (15), the inside joint of draw-in groove (16) has fixture block (17), the lower extreme fixedly connected with shell fragment (18) of fixture block (17), the left side fixedly connected with snap ring (19) of shell fragment (18), power cord (10) have been cup jointed to the inside of snap ring (19).

2. A wire-type electromagnetic coil as set forth in claim 1, wherein: the plastic-coated pipe is characterized in that a positioning table (5) is arranged inside the plastic-coated pipe (6), and the positioning table (5) is communicated with the through hole (101).

3. A leaded electromagnetic coil as set forth in claim 2 wherein: the number of the positioning tables (5) is two, and the two positioning tables (5) are symmetrically distributed.

4. A wire-type electromagnetic coil as set forth in claim 1, wherein: the upper end of conducting rod (8) is provided with connector (9), connector (9) and enameled wire (2) electric connection.

5. A wire-type electromagnetic coil as set forth in claim 1, wherein: the outside cladding of seal groove (14) has extension (7) of package plastic (6).

6. A wire-type electromagnetic coil as set forth in claim 1, wherein: the upper gasket (3) and the lower gasket (4) are O-shaped rings and are made of rubber.

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