CN220895300U - Step type electromagnetic solenoid - Google Patents
Step type electromagnetic solenoid Download PDFInfo
- Publication number
- CN220895300U CN220895300U CN202322586140.9U CN202322586140U CN220895300U CN 220895300 U CN220895300 U CN 220895300U CN 202322586140 U CN202322586140 U CN 202322586140U CN 220895300 U CN220895300 U CN 220895300U
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- China
- Prior art keywords
- electromagnetic solenoid
- enameled wire
- bearing
- stepped
- bearing seat
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- 238000004804 winding Methods 0.000 claims abstract description 31
- 238000003466 welding Methods 0.000 claims abstract description 8
- 230000017525 heat dissipation Effects 0.000 claims abstract description 6
- 238000005476 soldering Methods 0.000 claims description 11
- 238000001746 injection moulding Methods 0.000 claims description 7
- 239000004033 plastic Substances 0.000 claims description 5
- 239000003292 glue Substances 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000010073 coating (rubber) Methods 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 4
- 238000005538 encapsulation Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000012778 molding material Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000010618 wire wrap Methods 0.000 description 1
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- Magnetically Actuated Valves (AREA)
Abstract
The utility model discloses a stepped electromagnetic solenoid which comprises an electromagnetic solenoid body and a cover plate, wherein the electromagnetic solenoid body comprises an electromagnetic solenoid shell, a welding part, a bearing seat, a bearing and an enameled wire winding, wherein the bearing seat is in an interference press fit with the bearing seat; according to the utility model, the bearing seat is arranged as the integrally formed two-layer stepped opening cylinder, so that the problem of non-concentricity caused by assembly of a plurality of parts and the difference of the parts can be avoided, centering of the parts can be realized conveniently, the bearing seat which is tightly attached to the enameled wire winding is subjected to exposed design, and the heat dissipation effect of the assembly is enhanced.
Description
Technical Field
The utility model relates to the technical field of automobile manufacturing, in particular to a stepped electromagnetic solenoid.
Background
One chinese patent with application number CN213424755U discloses an electromagnetic solenoid, the coil of which is placed in the inner cavity of the coil holder, and the initial positioning is achieved through the opening on the side wall of the coil holder. The bearing is pressed in the bearing seat by interference fit, then the bearing is placed in the inner cavity of the coil seat together, the clearance groove at the edge of the press fit opening of the bearing seat is used as a first clearance fit, the outer ring of the bearing seat is used as a second clearance fit, the two clearance fits are used for realizing concentricity of the bearing, the coil and the coil seat, and the subsection parts are formed into a complete electromagnetic solenoid body structure through an encapsulation injection molding process. However, the patent still has the following problems in the use process:
1. During mass production, the inconsistency of the manufacturing precision of the parts and the press-fitting precision of the bearings leads to poor concentricity consistency of the coils and the coil holders and the bearings, and in order to meet the assembly size requirement, the size precision grade and the press-fitting precision grade of the parts need to be improved, so that the manufacturing cost is increased.
2. The solenoid body formed by the encapsulation is a cylinder with larger diameter and higher height, and has larger requirement on assembly assembling space, thereby being not beneficial to borrowing of multi-platform products. Meanwhile, the whole coil and the coil seat are completely wrapped by plastic, and heat generated by coil work is unfavorable for being emitted, so that the working temperature rise of the product is higher.
Disclosure of utility model
The coil and the bearing in the prior art lack a direct centering structure, so that concentricity of the coil and the bearing is difficult to control, and meanwhile, a coil seat made of metal materials is covered by a plastic part, so that the heat conduction capacity is reduced, and the temperature rise of a product is higher.
In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a step electromagnetic solenoid, its includes electromagnetic solenoid body and apron, electromagnetic solenoid body include electromagnetic solenoid casing, welding part, bearing frame, with bearing frame interference pressure equipment's bearing to and the enameled wire winding, the bearing frame is integrated into one piece's two-layer step form opening cylindrical, welding part includes PCB paster part and pencil part, the side of apron be provided with a plurality of clearance laminating in electromagnetic solenoid casing inner wall's connecting plate, the through-hole has been seted up on the connecting plate.
As a preferable mode of the stepped electromagnetic solenoid of the present utility model, wherein: and a low-pressure plastic injection is coated between the through hole on the connecting plate and the inner wall of the electromagnetic solenoid shell.
As a preferable mode of the stepped electromagnetic solenoid of the present utility model, wherein: the wire harness component comprises a five-core cable, the tail of the five-core cable is connected with an insert port, and the middle of the five-core cable is provided with a pipe clamp and a rubber sheath.
As a preferable mode of the stepped electromagnetic solenoid of the present utility model, wherein: the enameled wire winding comprises a coil framework, two inserting pieces are arranged at the top end of the coil framework, an enameled wire is wound outside the coil framework, two ends of the enameled wire are respectively connected with the two inserting pieces in a soldering mode, the outer portion of the enameled wire wraps the coil encapsulation to seal, and the coil encapsulation is provided with mounting holes.
As a preferable mode of the stepped electromagnetic solenoid of the present utility model, wherein: the mounting hole is internally provided with a plurality of ribs, and the mounting hole is internally provided with a magnet in an interference press mode.
As a preferable mode of the stepped electromagnetic solenoid of the present utility model, wherein: the five-core cable is connected with the PCB patch part through soldering, the PCB patch part is connected with the two inserting sheets through soldering, and the outside of the PCB patch part is wrapped with low-pressure injection molding glue for sealing.
As a preferable mode of the stepped electromagnetic solenoid of the present utility model, wherein: the electromagnetic solenoid shell, the bearing seat, the bearing and the enameled wire winding have the same central axis, the enameled wire winding is arranged in the bearing seat, and the outer edge of the enameled wire winding is in clearance fit with the inner wall of the bearing seat.
As a preferable mode of the stepped electromagnetic solenoid of the present utility model, wherein: and a heat dissipation opening is formed in the position, corresponding to the coil framework, of the bearing seat.
As a preferable mode of the stepped electromagnetic solenoid of the present utility model, wherein: and an assembly port is formed in the bottom of the electromagnetic solenoid shell at a position corresponding to the bearing.
The utility model has the beneficial effects that: according to the electromagnetic solenoid, the bearing seat in the electromagnetic solenoid body is arranged into the two-layer stepped opening cylinder, the consistency of coaxiality is ensured through one-step forming by stamping, the problem of non-concentricity caused by assembly of a plurality of parts and the difference of the parts is avoided, meanwhile, the bearing seat is arranged into the opening structure, centering of the parts is conveniently realized during production of subsequent procedures, concentricity of the assembly is further ensured, the bearing seat attached to the coil is subjected to exposed design, and the radiating effect of the assembly is enhanced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:
fig. 1 is a plan view of a stepped electromagnetic solenoid.
Fig. 2 is an exploded view of a stepped electromagnetic solenoid.
Fig. 3 is a schematic view of a harness component in a stepped electromagnetic solenoid.
Fig. 4 is an exploded view of an electromagnetic solenoid body in a stepped electromagnetic solenoid.
Fig. 5 is an assembly schematic diagram of a stepped electromagnetic solenoid.
Detailed Description
The utility model is described in detail below with reference to the drawings and examples.
As shown in fig. 1 to 5, in an embodiment of the present utility model, the step-type electromagnetic solenoid includes an electromagnetic solenoid body 1 and a cover plate 2, the electromagnetic solenoid body 1 includes an electromagnetic solenoid housing 3, a welding component, a bearing seat 5, a bearing 6 press-fitted with the bearing seat 5 in an interference manner, and an enameled wire winding 7, the bearing seat 5 is designed into a two-layer step-shaped opening cylinder shape which is integrally formed, so that centering of parts during production in subsequent processes is facilitated, concentricity of the assembly is further ensured, and the bearing seat 5 close to a coil is designed in an exposed manner, thereby enhancing a heat dissipation effect of the assembly.
Specifically, including electromagnetic solenoid body 1 and apron 2, electromagnetic solenoid body 1 includes electromagnetic solenoid casing 3, welding part, bearing frame 5, with bearing 6 of bearing frame 5 interference pressure equipment to and enameled wire winding 7, the bearing frame 5 is integrated into one piece's two-layer step form opening cylindrical, and welding part includes PCB paster part 4a and pencil part 4b, and the side of apron 2 is provided with the connecting plate 2a that a plurality of clearance laminating was in electromagnetic solenoid casing 3 inner wall, has seted up through-hole 2b on the connecting plate 2 a.
The bearing seat 5 is arranged into two concentric stepped opening cylindrical shapes, so that the number of parts can be reduced, the eccentric influence caused by assembly gaps is avoided, and the bearing 6 and the enameled wire winding 7 are simultaneously placed in the bearing seat 5, so that the concentricity of the bearing 6 and the enameled wire winding 7 is ensured.
Preferably, a low-pressure injection molding material is applied between the through hole 2b in the connection plate 2a and the inner wall of the electromagnetic solenoid housing 3.
The cover plate 2 and the electromagnetic solenoid housing 3 are fixed by the adhesion of the low-pressure injection molding.
Preferably, the harness part 4b comprises a five-core cable 4b-1, the tail of the five-core cable 4b-1 is connected with an insert port 4b-2, and the middle part of the five-core cable 4b-1 is provided with a pipe clamp 4b-3 and a rubber sheath 4b-4.
The plug-in port 4b-2 is used for externally connecting an engine wire harness so as to realize the conduction of the whole working line, the pipe clamp 4b-3 and the rubber sheath 4b-4 are used for fixing and protecting the five-core cable 4b-1, and the shock resistance and the wear resistance of the five-core cable 4b-1 are enhanced.
Preferably, the enameled wire winding 7 comprises a coil framework 7a, two inserting pieces 7b are arranged at the top end of the coil framework 7a, enameled wires 7c are wound outside the coil framework 7a, two ends of each enameled wire 7c are respectively connected with the two inserting pieces 7b in a soldering mode, coil encapsulation 7d is wrapped outside the enameled wires 7c to seal, and mounting holes 7d-1 are formed in the coil encapsulation 7 d.
The inner diameter of the enameled wire winding 7 can be centered by being directly beneficial to the inner diameter of the bearing 6, so that a complete positioning structure is realized.
Preferably, a plurality of ribs are arranged in the mounting hole 7d-1, and the magnet 7e is pressed in the mounting hole 7d-1 in an interference manner.
Preferably, the five-core cable 4b-1 is connected with the PCB patch part 4a through soldering, the PCB patch part 4a is connected with the two inserting sheets 7b through soldering, and the outside of the PCB patch part 4a is wrapped with low-pressure injection molding glue for sealing.
The harness member 4b is soldered to the PCB patch member 4a in the same manner as the PCB patch member 4a, and thus, the resistance value of the wire harness winding 7 and the output of the electrical signal are transmitted.
Preferably, the electromagnetic solenoid shell 3, the bearing seat 5, the bearing 6 and the enameled wire winding 7 have the same central axis, the enameled wire winding 7 is arranged in the bearing seat 5, and the outer edge of the enameled wire winding 7 is in clearance fit with the inner wall of the bearing seat 5.
The inner diameter of the enameled wire winding 7 is centered through the bearing 6, and the outer diameter of the enameled wire winding 7 is limited and positioned through the bearing seat 5, so that the concentricity of the assembly is ensured.
Preferably, the bearing seat 5 is provided with a heat radiation opening 5a at a position corresponding to the coil skeleton 7 a.
The heat dissipation port 5a can dissipate heat of the heat-generating enameled wire winding 7.
Preferably, the bottom of the electromagnetic solenoid housing 3 is provided with an assembly opening 3a at a position corresponding to the bearing 6.
Working principle: the five-core cable 4b-1 is connected with the PCB patch part 4a through soldering, the PCB patch part 4a is connected with the two inserting sheets 7b through soldering, the resistance value of the enameled wire winding 7 and the output of electrical signals are transmitted and controlled, the bearing seat 5 is arranged into two concentric stepped opening cylindrical shapes, the eccentric influence caused by assembly gaps can be avoided while the number of parts can be reduced, the bearing 6 and the enameled wire winding 7 are simultaneously placed in the bearing seat 5, the inner diameter of the bearing 6 can be directly beneficial to centering the inner diameter of the enameled wire winding 7, the outer diameter of the enameled wire winding 7 is limited and positioned through the bearing seat 5, the concentricity of the bearing 6 and the enameled wire winding 7 is ensured, the heat dissipation opening 5a can dissipate heat of the enameled wire winding 7 which heats, the temperature is prevented from being too high to timely dissipate heat, and finally, the cover plate 2 and the electromagnetic solenoid shell 3 are fixed through the adhesion effect of low-pressure injection plastic.
It should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present utility model may be modified or substituted without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered in the scope of the claims of the present utility model.
Claims (9)
1. A stepped electromagnetic solenoid, characterized in that: including electromagnetic solenoid body (1) and apron (2), electromagnetic solenoid body (1) include electromagnetic solenoid casing (3), welding part, bearing frame (5), with bearing (6) of bearing frame (5) interference pressure equipment to and enameled wire winding (7), bearing frame (5) are integrated into one piece's two-layer step form opening cylindrical, welding part includes PCB paster part (4 a) and pencil part (4 b), the side of apron (2) be provided with a plurality of clearance laminating in connecting plate (2 a) of electromagnetic solenoid casing (3) inner wall, through-hole (2 b) have been seted up on connecting plate (2 a).
2. A stepped electromagnetic solenoid according to claim 1, wherein: a low-pressure injection molding plastic is coated between the through hole (2 b) on the connecting plate (2 a) and the inner wall of the electromagnetic solenoid shell (3).
3. A stepped electromagnetic solenoid according to claim 2, wherein: the wire harness component (4 b) comprises a five-core cable (4 b-1), an insert port (4 b-2) is connected to the tail of the five-core cable (4 b-1), and a pipe clamp (4 b-3) and a rubber sheath (4 b-4) are arranged in the middle of the five-core cable (4 b-1).
4. A stepped electromagnetic solenoid according to claim 3, wherein: the enameled wire winding (7) comprises a coil framework (7 a), two inserting pieces (7 b) are arranged at the top end of the coil framework (7 a), enameled wires (7 c) are wound outside the coil framework (7 a), two ends of each enameled wire (7 c) are respectively connected with the two inserting pieces (7 b) in a soldering mode, the outer portion of each enameled wire (7 c) is wrapped with a coil rubber coating (7 d) to seal, and the coil rubber coating (7 d) is provided with a mounting hole (7 d-1).
5. A stepped electromagnetic solenoid according to claim 4, wherein: a plurality of ribs are arranged in the mounting hole (7 d-1), and a magnet (7 e) is pressed in the mounting hole (7 d-1) in an interference mode.
6. A stepped electromagnetic solenoid according to claim 5 wherein: the five-core cable (4 b-1) is connected with the PCB patch part (4 a) through soldering, the PCB patch part (4 a) is connected with the two inserting sheets (7 b) through soldering, and the PCB patch part (4 a) is externally wrapped with low-pressure injection molding glue for sealing.
7. A stepped electromagnetic solenoid according to claim 6 wherein: the electromagnetic solenoid shell (3) with the bearing seat (5), the bearing (6) and the enameled wire winding (7) have the same central axis, the enameled wire winding (7) is arranged in the bearing seat (5), and the outer edge of the enameled wire winding (7) is in clearance fit with the inner wall of the bearing seat (5).
8. A stepped electromagnetic solenoid according to claim 7 wherein: and a heat dissipation opening (5 a) is formed in the position, corresponding to the coil framework (7 a), of the bearing seat (5).
9. A stepped electromagnetic solenoid according to claim 8 wherein: and an assembly port (3 a) is formed in the bottom of the electromagnetic solenoid shell (3) at a position corresponding to the bearing (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322586140.9U CN220895300U (en) | 2023-09-22 | 2023-09-22 | Step type electromagnetic solenoid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322586140.9U CN220895300U (en) | 2023-09-22 | 2023-09-22 | Step type electromagnetic solenoid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220895300U true CN220895300U (en) | 2024-05-03 |
Family
ID=90871704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322586140.9U Active CN220895300U (en) | 2023-09-22 | 2023-09-22 | Step type electromagnetic solenoid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220895300U (en) |
-
2023
- 2023-09-22 CN CN202322586140.9U patent/CN220895300U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |