CN207217216U - Electromagnet - Google Patents
Electromagnet Download PDFInfo
- Publication number
- CN207217216U CN207217216U CN201721218397.7U CN201721218397U CN207217216U CN 207217216 U CN207217216 U CN 207217216U CN 201721218397 U CN201721218397 U CN 201721218397U CN 207217216 U CN207217216 U CN 207217216U
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- support
- top cover
- push rod
- coil
- hole
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Abstract
The utility model provides a kind of electromagnet, including support, coil and expansion link, support is fixedly connected with coil, support is provided with first through hole, expansion link includes push rod and top cover, push rod is located on support and coil by first through hole activity, and top cover is fixed on stent outer with push rod, and the elastic sealing element for waterproof is installed between top cover and support.Effectively solve the defects of being easily accessible impurity and moisture etc. on support in through hole, there is good water proof and dust proof effect.
Description
Technical field
It the utility model is related to a kind of electromagnet.
Background technology
Electromagnet is switched on producing a kind of device of electromagnetism, and after coil inside inserts iron core, iron core is by the magnetic field of coil
Magnetized process.Electromagnet on the market generally includes support, coil and expansion link, and support is fixedly connected with coil, on support
Provided with through hole, expansion link includes push rod and top cover, and push rod activity is located in support and coil, because through hole is set on support
Put, electromagnet is easily entered impurity and moisture from through hole in use, impurity includes oil stain, dust etc., and moisture can add
The speed of fast moving component rust corrosion, impurity and corrosion can influence movable part and smoothly move, and ultimately resulting in electromagnet can not
Normal work, so as to need to carry out demolition and replacement, waste of manpower and resource.
The content of the invention
The defects of existing for above-mentioned technology, problem to be solved in the utility model are to provide a kind of electromagnet, effectively
Solve the defects of being easily accessible impurity and moisture etc. on support in through hole, there is good water proof and dust proof effect.
In order to solve the above problems, the utility model provides a kind of electromagnet, including support, coil and expansion link, branch
Frame is fixedly connected with coil, and support is provided with first through hole, and expansion link includes push rod and top cover, and push rod passes through first through hole activity
It is located on support and coil, top cover is fixed on stent outer with push rod, and the bullet for waterproof is installed between top cover and support
Property seal.
Using the electromagnet of said structure, because support is provided with first through hole, push rod is worn by first through hole activity
On support and coil, therefore push rod can stretch in first through hole, and because expansion link includes push rod and top cover, and top cover
Stent outer is fixed on push rod, therefore top cover can equally carry out activity, the setting of elastic sealing element between top cover and support
The impurity and moisture for making top cover one end can not be entered in support and coil by first through hole, be activity space in support and coil
Clean environment provide guarantee, electromagnet can be prevented to be damaged due to entering impurity and moisture, so as to improve electricity
The service life of magnet, and the elasticity setting of elastic sealing element makes push rod still being capable of the carry out activity on support.
As a kind of improvement of the present utility model, elastic sealing element is provided with the rounded fold centered on push rod, described
Rounded fold include diameter be more than push rod the ring that arches upward, arch upward ring and top cover, arch upward be respectively equipped between ring and support diameter by
Big extremely small ring curved surface.
Using the elastic sealing element of said structure, the ring that arches upward is arranged among two ring curved surfaces, and ring curved surface diameter is to top
Set, support direction from large to small, make push rod and when top cover carries out flexible, acted on towards the ring curved surface of top cover side in elastic force
Under, using the ring that arches upward as folding line, deformation is folded into towards in the ring curved surface of support side, reaches the purpose for being capable of deformation, and ensure that
The stability of elastic sealing element.
As further improvement of the utility model, top cover is integrally formed with elastic sealing element.
Using the elastic sealing element of said structure, the connection between top cover and elastic sealing element is more stable, elastic packing
Part will not come off from top cover, and sealing property is more preferable, do not have impurity and moisture and enter from top cover one end in support and coil.
As another improvement of the present utility model, stationary plane is provided with close to one end of support on elastic sealing element.
Using the elastic sealing element of said structure, when electromagnet and machine are fixed, top cover one end of electromagnet is inserted
After entering in mounting hole, stationary plane side is contradicted with support opposite face, and stationary plane opposite side is carried out with the opposite face on machine
Contradict, the sealing for making the close-fitting of stationary plane and mounting hole realize stationary plane by compressing stationary plane, enable electromagnet securely
On machine.
As further improvement of the utility model, push rod is located in wherein one end of support and coil, the support other end
Provided with installing plate, installing plate is provided with the second through hole, is equipped with dynamic iron core in the second through hole and coil, dynamic iron core one end is located in
Stent outer and be coaxially fixedly installed with expansion link, dynamic iron core be located between one end of stent outer and installing plate has compressed it is multiple
Position part.
Using the electromagnet of said structure, push rod is located in wherein one end of support and coil, and the support other end is provided with peace
Loading board, therefore coil is fixed in support by installing plate, prevents coil from deviating from, dynamic iron core is located in one end and the peace of stent outer
Return unit is compressed between loading board, and dynamic iron core is coaxially fixed with expansion link, dynamic iron core is because magnetic is to top when the electromagnet is powered
One end movement is covered, now return unit is extruded generation restoring force, makes dynamic iron core by the restoring force of return unit after electromagnet power-off
Position reduce.
It is described in further detail below in conjunction with the accompanying drawings with embodiment of the present utility model.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment；
Fig. 2 is the structure chart of the utility model embodiment medium-height trestle；
Fig. 3 is the profile of the utility model embodiment；
Fig. 4 is the structural representation of elastic sealing element in the utility model embodiment.
Embodiment
A kind of electromagnet as shown in Figures 1 to 4, including support 1, coil 2, expansion link and dynamic iron core 5, the one end of support 1
Provided with first through hole 11, the other end is provided with installing plate 4, and installing plate 4 is provided with the second through hole 41, and coil 2 is fixedly installed on support 1
Between installing plate 4, coil 2 is fixed in support 1, prevent coil 2 from deviating from.Expansion link includes push rod 61 and top cover 62, top
The activity of bar 61 is located in first through hole 11, and the fixed cover of top cover 62 is arranged on one end outside support 1, therefore top cover located at push rod 61
62 can equally carry out activity.Dynamic iron core 5 is located in the second through hole 41, and push rod 61 is coaxially located in coil 2 with dynamic iron core 5
And it is fixedly connected in coil 2.The elastic sealing element 3 for waterproof is installed between top cover 62 and support 1, elasticity, which is set, makes top
Bar 61 still can the carry out activity on support 1, and the impurity of top cover one end and moisture can not pass through first through hole 11 and enter branch
In frame 1 and coil 2, the clean environment for activity space in support 1 and coil 2 provides guarantee, can prevent electromagnet due to
It is damaged into impurity and moisture, so as to improve the service life of electromagnet.The one of top cover 62 and elastic sealing element 3 into
Type, in the present embodiment, top cover 62 are used as inserts, by silica gel injecting glue, make top cover 62 and the jail of elastic sealing element 3 is close is combined into
One, the connection between top cover 62 and elastic sealing element 3 is set more to stablize, elastic sealing element 3 will not come off from top cover 62.It is dynamic
Iron core 5 is located between the one end in the outside of support 1 and installing plate 4 and has compressed return unit 51, and in the present embodiment, return unit 51 is
Spring.
Elastic sealing element 3 is provided with rounded fold and stationary plane 34 centered on push rod 61, and rounded fold includes diameter
More than the ring 33 that arches upward of push rod 61, arch upward ring 33 and top cover 62, arching upward is respectively equipped with diameter from large to small between ring 33 and support 1
Ring curved surface.In the present embodiment, arch upward between ring 33 and top cover 62 for the first ring curved surface 31, arch upward ring 33 and support 1 it
Between for the second ring curved surface 32.Make push rod 61 and when top cover 62 carries out flexible, the first ring curved surface 31 is under elastic force effect, to arch upward
Ring 33 is folding line, and deformation is folded into the second ring curved surface 32, is reached the purpose for being capable of deformation, be ensure that the stabilization of elastic sealing element 3
Property.Stationary plane 34 is arranged on elastic sealing element 3 close to one end of support 1.
It is fixed after one end of top cover 62 of electromagnet is inserted in the mounting hole of machine in the utility model implementation process
The side of face 34 is contradicted with the opposite face of support 1, and the opposite side of stationary plane 34 is contradicted with the opposite face on machine, passes through compression
Stationary plane 34 makes the close-fitting of stationary plane 34 and mounting hole realize the sealing of stationary plane, electromagnet is fixedly mounted in machine
On.
Dynamic iron core 5 is moved to the one end of top cover 62 because of magnetic when the solenoid is energized, and the first ring curved surface 31 is from the second ring curved surface
Ejected in 32, now return unit 51 is extruded generation restoring force, makes iron by the restoring force of return unit 51 after electromagnet power-off
The position of core 5 reduces, and the first ring curved surface 31 is under elastic force effect, and with the ring 33 that arches upward for folding line, deformation again folds into second
In ring curved surface 32.
Simple text explanation is carried out to the utility model above in association with figure, it is impossible to limit power of the present utility model with this
Sharp scope, in the technical field those of ordinary skill possessed knowledge, the utility model can also not departed from
Various changes can be made on the premise of key element.
Claims (5)
1. a kind of electromagnet, including support, coil and expansion link, the support are fixedly connected with coil, the support is provided with
First through hole, the expansion link include push rod and top cover, and the push rod is located on support and coil by first through hole activity,
The top cover is fixed on stent outer with push rod, it is characterised in that：The bullet for waterproof is installed between the top cover and support
Property seal.
2. electromagnet according to claim 1, it is characterised in that：The elastic sealing element is provided with centered on push rod
Rounded fold, the rounded fold include the ring that arches upward that diameter is more than push rod, arch upward ring and top cover, arch upward and divide between ring and support
She You not the ring curved surface of diameter from large to small.
3. electromagnet according to claim 1 or 2, it is characterised in that：The top cover is integrally formed with elastic sealing element.
4. electromagnet according to claim 1 or 2, it is characterised in that：Close to one end of support on the elastic sealing element
Provided with stationary plane.
5. electromagnet according to claim 1, it is characterised in that：The push rod is located in wherein the one of support and coil
End, the support other end are provided with installing plate, and the installing plate is provided with the second through hole, worn in second through hole and coil
There is dynamic iron core, described dynamic iron core one end is located in stent outer and is coaxially fixedly installed with expansion link, and the dynamic iron core is located in
Return unit has been compressed between one end of stent outer and installing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721218397.7U CN207217216U (en) | 2017-09-21 | 2017-09-21 | Electromagnet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721218397.7U CN207217216U (en) | 2017-09-21 | 2017-09-21 | Electromagnet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207217216U true CN207217216U (en) | 2018-04-10 |
Family
ID=61822166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721218397.7U Active CN207217216U (en) | 2017-09-21 | 2017-09-21 | Electromagnet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207217216U (en) |
-
2017
- 2017-09-21 CN CN201721218397.7U patent/CN207217216U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |