CN210516379U - Quick-acting constant force electromagnet - Google Patents
Quick-acting constant force electromagnet Download PDFInfo
- Publication number
- CN210516379U CN210516379U CN201921982123.4U CN201921982123U CN210516379U CN 210516379 U CN210516379 U CN 210516379U CN 201921982123 U CN201921982123 U CN 201921982123U CN 210516379 U CN210516379 U CN 210516379U
- Authority
- CN
- China
- Prior art keywords
- movable
- coil
- fixed
- tail
- electromagnet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Electromagnets (AREA)
Abstract
The utility model relates to the technical field of push-pull electromagnets, in particular to a quick-acting constant force electromagnet, which comprises a circular tube shell, a linear movable assembly, a coil and a tail cover, wherein the linear movable assembly comprises a movable mandrel, a movable steel ball sleeve, a fixing piece and a fixing shaft sleeve, the tail end of the movable mandrel is provided with a fixing E buckle, the fixing shaft sleeve is arranged in a front positioning hole and is fixed by the fixing piece, the center of the coil is provided with a rear shaft positioning hole, the tail part of the coil is provided with a flexible FPC wire, the flexible FPC wire is fixed on the coil by a wire fixing screw, by adopting the structure of the linear bearing type movable steel ball sleeve combination to do linear motion and using the point of the steel ball to contact with the surface, therefore, the friction force between the shaft sleeves is reduced, the activity flexibility is improved, the shaft body pushing-out force of the electromagnet is uniform and is not limited by the stroke, the electromagnet is not easy to generate heat, and the service performance of the electromagnet is improved; the flexible FPC wire is connected with the coil, so that the coil can move freely and is not easy to fall off or break, and the service life of the electromagnet is prolonged.
Description
The technical field is as follows:
the utility model relates to the technical field of push-pull electromagnets, in particular to a quick-acting constant force electromagnet.
Background art:
the electromagnet is a device which can convert electric energy into kinetic energy to work, and as the conventional design is simpler and the entrance height is common, a large number of production manufacturers emerge in recent years, and as more manufacturers jointly divide the market demands of middle and low ends, the competition becomes very intense; the electro-magnet push-and-pull activity body in the past all adopts self-lubricating bearing to reduce frictional force, but frictional impurity can appear in these self-lubricating bearing use and increased the moving resistance, influence the activity smoothness nature, and generate heat easily, lead to product performance decay, reduce life, nevertheless in high-end market and high-end application the aspect still occupied by complicated structure, not only increase cost, and in the frequent activity of making a round trip, the smoothness nature and the push-and-pull dynamics of activity are difficult to guarantee, the general stroke ability response time limit of 5 ~ 8mm of conventional electro-magnet is 50 ~ 100ms, the stroke is then the strength more is less, complicated structure leads to the performance poor, shortcoming such as low in life. Therefore, a quick-acting constant force electromagnet with quick heat dissipation and long service life is needed to meet the market demand.
The utility model has the following contents:
the utility model aims at the defects of the prior art, the provided quick-acting constant force electromagnet has scientific structural design, replaces the traditional self-lubricating bearing structure by adopting the structure of the combination of the linear bearing type movable steel ball sleeve to do linear motion, uses the point and the surface contact of the steel ball, thereby reducing the friction force between the shaft sleeves, improving the activity flexibility, ensuring that the shaft body of the electromagnet is pushed out with uniform force, not limited by the stroke, not easy to generate heat and increasing the service performance of the electromagnet; the flexible FPC wire is connected with the coil, so that the coil can move freely and is not easy to fall off or break, and the service life of the electromagnet is prolonged.
In order to achieve the purpose, the utility model adopts the following technical scheme that the quick-acting constant force electromagnet comprises a circular tube shell, a linear movable assembly, a coil and a tail cover, wherein a buckling platform is arranged on the outer ring of the circular tube shell, a sealing rubber ring is arranged on the buckling platform, a tile-shaped magnet is arranged on the inner wall of the circular tube shell, a front positioning hole is arranged at the inner central position of the circular tube shell, the linear movable assembly comprises a movable mandrel, a movable steel ball sleeve, a fixing piece and a fixing shaft sleeve, a fixing E buckle is arranged at the tail end of the movable mandrel, the fixing shaft sleeve is arranged in the front positioning hole and fixed through the fixing piece, a movable positioning groove is arranged outside the coil, a rear shaft positioning hole is arranged at the center of the coil, a flexible FPC wire is arranged at the tail part of the coil and fixed on the coil through a wire fixing screw, four positioning screws are uniformly, the tail cover is also provided with a wire groove and a fixing block.
The tail end of the movable mandrel is connected with the rear shaft positioning hole, the movable mandrel is fixed with the coil through the fixing screw of the bobbin through the fixing E buckle for positioning.
The movable mandrel, the movable steel ball sleeve, the fixing piece and the fixed shaft sleeve are arranged concentrically, the movable steel ball sleeve is arranged inside the fixed shaft sleeve, the movable mandrel is arranged inside the movable steel ball sleeve, and the movable mandrel reciprocates inside the fixed shaft sleeve through the movable steel ball sleeve.
The tile-shaped magnets are arranged in six equal intervals, and the movable positioning grooves outside the coils are symmetrically arranged.
The flexible FPC wire is electrically connected with the coil.
The matrix of the movable steel ball sleeve is any one of copper, aluminum, 45# steel, stainless steel, PE, PP, PVC, ABS, PMMA, POM and PA materials.
Wherein two symmetrically arranged positioning screws are arranged corresponding to the movable positioning grooves in a clearance fit manner.
The fixed block pass through the screw and the tail-hood is fixed, and the binding face of fixed block and tail-hood is equipped with environmental protection silica gel, tail-hood and pipe shell buckle and fasten through set screw.
The flexible FPC wire is fixed with the tail cover through the block, and extends to the outside of the tail cover through the wire slot.
The tail cover is made of any one of metal and plastic.
The utility model discloses beneficial effect does: the utility model provides a quick-acting constant force electro-magnet, includes pipe shell, sharp activity assembly, coil, tail-hood, the outer lane of pipe shell on be equipped with and detain the platform, detain the bench and be equipped with sealed rubber ring, be equipped with tile-shaped magnet on the inner wall of pipe shell, the inside central point of pipe shell puts and is equipped with preceding locating hole, sharp activity assembly include movable dabber, activity steel ball cover, stationary blade, fixed axle sleeve, the tail end of movable dabber is equipped with fixed E and detains, fixed axle cover sets up in preceding locating hole and fixes it through the stationary blade, the outside of coil be equipped with movable constant head tank, the center of coil is equipped with the rear axle locating hole, the afterbody of coil is equipped with flexible FPC line, flexible FPC line is fixed on the coil through wire rod fixed screw, the tail-hood around be equipped with the positioning screw that four equipartitions set up, still be equipped with wire casing and fixed block on the tail-hood, replace self-lubricating bearing The point of the steel ball is in surface contact, so that the friction force between the shaft sleeves is reduced, the activity flexibility is improved, the shaft body pushing force of the electromagnet is constant, the electromagnet is not limited by a stroke and is not easy to heat, and the service performance of the electromagnet is improved; the flexible FPC wire is connected with the coil, so that the coil can move freely and is not easy to fall off or break, and the service life of the electromagnet is prolonged.
Description of the drawings:
fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is an exploded schematic view of the present invention;
FIG. 3 is a schematic view of the linear movable assembly of the present invention;
FIG. 4 is a schematic view of the round tube housing of the present invention;
fig. 5 is a schematic diagram of the coil of the present invention.
The specific implementation mode is as follows:
referring to fig. 1 to 5, the utility model relates to a quick-acting constant force electromagnet, which comprises a circular tube housing 1, a linear movable assembly 2, a coil 3 and a tail cover 4, wherein the outer ring of the circular tube housing 1 is provided with a buckling table 10, the buckling table 10 is provided with a sealing rubber ring 11, the inner wall of the circular tube housing 1 is provided with a tile-shaped magnet 12, the inner center of the circular tube housing 1 is provided with a front positioning hole 13, the linear movable assembly 2 comprises a movable mandrel 20, a movable steel ball sleeve 22, a fixing plate 23 and a fixing shaft sleeve 24, the tail end of the movable mandrel 20 is provided with a fixing E buckle 21, the fixing shaft sleeve 24 is arranged in the front positioning hole 13 and fixed by the fixing plate 23, the outside of the coil 3 is provided with a movable positioning groove 31, the center of the coil 3 is provided with a rear shaft positioning hole 30, the tail of the coil 3 is provided with a flexible FPC line 32, the flexible, four positioning screws 41 are uniformly distributed around the tail cover 4, and a wire slot 42 and a fixing block 43 are further arranged on the tail cover 4.
The tail end of the movable mandrel 20 is connected with the rear shaft positioning hole 30, the movable mandrel 20 and the coil 3 are fixed through the fixing E buckle 21 and the mandrel fixing screw 34, and the movable mandrel 20 is vertically fixed in the middle of the coil 3 to form a coil assembly.
The movable core shaft 20, the movable steel ball sleeve 22, the fixing piece 23 and the fixed shaft sleeve 24 are arranged concentrically, the movable steel ball sleeve 22 is arranged inside the fixed shaft sleeve 24, the movable core shaft 20 is arranged inside the movable steel ball sleeve 22, the movable core shaft 20 reciprocates inside the fixed shaft sleeve 24 through the movable steel ball sleeve 22, and the point of the steel ball is in surface contact with the inside of the fixed shaft sleeve, so that the friction force between the shaft sleeves is reduced, and the moving speed is increased.
Tile-shaped magnet 12 be six equidistance settings, 3 outside movable positioning grooves 31 of coil set up for two symmetries, tile-shaped magnet 13 evenly distributed is at the inner wall of pipe shell 1 and presses the pipe bottom and form the circular iron pipe subassembly.
The flexible FPC wire 32 is electrically connected with the coil 3, and the flexible FPC wire 32 is fixedly connected to the top of the bobbin and is welded and connected with two ends of the coil to form a coil group.
The base body of the movable steel ball sleeve 22 is made of any one of copper, aluminum, 45# steel, stainless steel, PE, PP, PVC, ABS, PMMA, POM and PA, the movable steel ball sleeve 22 can guide the movable mandrel 20 and reduce the friction among the movable mandrel 20, the movable steel ball sleeve 22 and the fixed shaft sleeve 24, and therefore the requirements of quick response and long service life of a product can be met.
Wherein two symmetrical set up set screw 41 and activity constant head tank 31 corresponding setting, and for clearance fit setting, set screw 41 corresponds activity constant head tank 31 and can restrict coil 3 and drop out from the middle of the circular iron pipe, the home range of coil 3 is activity constant head tank 31 length this moment, the push-and-pull stroke of product promptly.
Fixed block 43 pass through the screw fixed with tail-hood 4, and the binding face of fixed block 43 and tail-hood 4 is equipped with environmental protection silica gel, tail-hood 4 and the fastening of pipe shell 1 lock and through set screw 41, be equipped with sealing rubber ring 11 on the outer lane of pipe shell 1, can guarantee that the electro-magnet casing is sealed relatively, thereby some debris in the air can not get into the work portion of product and provide the life-span of product.
The fixing block 43 of the flexible FPC wire 32 is fixed with the tail cover 4, and the flexible FPC wire 32 extends to the outside of the tail cover 4 through the wire slot 42, so that the firmness of the flexible FPC wire can be protected.
The tail cover 4 is made of any one of metal and plastic, a processed product made of the metal is exquisite in appearance, long in service life, low in cost of plastic injection products and convenient to install.
The utility model has the technical characteristics that: six tile-shaped magnets 12 with equal distance are arranged in a circular tube shell 1, a movable core shaft 20 is fixedly connected with a coil 3, flexible FPC wires are used for welding and electrifying circuits at two ends of the coil, the movable core shaft 20 and the coil 3 form a coil assembly, the coil assembly passes through a linear movable assembly 2 consisting of a movable steel ball sleeve 22 and a fixed shaft sleeve 24, the coil 3 is electrified to generate a magnetic field, the coil assembly freely moves in the fixed shaft sleeve 24, the steel ball on the movable steel ball sleeve 22 is in contact with the surface in the fixed shaft sleeve 24, so that the friction force between the shaft sleeves is reduced, the moving speed is increased, the movement is stable and does not change along with the bearing speed, the stable linear movement with high sensitivity and high precision can be obtained, the pushing-out force of an electromagnet is constant and is not limited by a stroke, the electromagnet is not easy to generate heat, the flexible FPC wires are not easy to fall off or break off, and the service, the service life of the electromagnet is prolonged.
The above is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles in accordance with the claims of the present invention are included in the claims of the present invention.
Claims (10)
1. The utility model provides a quick-acting constant force electro-magnet, includes pipe shell (1), straight line movable assembly (2), coil (3), tail-hood (4), its characterized in that: the outer ring of the circular tube shell (1) is provided with a buckling platform (10), the buckling platform (10) is provided with a sealing rubber ring (11), the inner wall of the circular tube shell (1) is provided with a tile-shaped magnet (12), the inner central position of the circular tube shell (1) is provided with a front positioning hole (13), the linear movable assembly (2) comprises a movable mandrel (20), a movable steel ball sleeve (22), a fixing piece (23) and a fixing shaft sleeve (24), the tail end of the movable mandrel (20) is provided with a fixed E buckle (21), the fixing shaft sleeve (24) is arranged in the front positioning hole (13) and fixed by the fixing piece (23), the outer part of the coil (3) is provided with a movable positioning groove (31), the center of the coil (3) is provided with a rear shaft positioning hole (30), the tail part of the coil (3) is provided with a flexible FPC wire (32), and the flexible FPC wire (32) is fixed on the coil (3), the novel tail cover is characterized in that four positioning screws (41) are uniformly distributed around the tail cover (4), and a wire groove (42) and a fixing block (43) are further arranged on the tail cover (4).
2. The quick acting constant force electromagnet of claim 1, wherein: the tail end of the movable core shaft (20) is connected with the rear shaft positioning hole (30), the movable core shaft is positioned through the fixed E buckle (21), and the movable core shaft (20) is fixed with the coil (3) through the wire shaft fixing screw (34).
3. The quick acting constant force electromagnet of claim 1, wherein: the movable core shaft (20), the movable steel ball sleeve (22), the fixing piece (23) and the fixed shaft sleeve (24) are concentrically arranged, the movable steel ball sleeve (22) is arranged inside the fixed shaft sleeve (24), the movable core shaft (20) is arranged inside the movable steel ball sleeve (22), and the movable core shaft (20) reciprocates inside the fixed shaft sleeve (24) through the movable steel ball sleeve (22).
4. The quick acting constant force electromagnet of claim 1, wherein: the tile-shaped magnets (12) are arranged in six equal distances, and the movable positioning grooves (31) outside the coil (3) are symmetrically arranged.
5. The quick acting constant force electromagnet of claim 1, wherein: the flexible FPC wire (32) is electrically connected with the coil (3).
6. The quick acting constant force electromagnet of claim 1, wherein: the matrix of the movable steel ball sleeve (22) is made of any one of copper, aluminum, 45# steel, stainless steel, PE, PP, PVC, ABS, PMMA, POM and PA.
7. The quick acting constant force electromagnet of claim 1, wherein: two of the positioning screws (41) which are symmetrically arranged are arranged corresponding to the movable positioning groove (31) and are arranged in a clearance fit manner.
8. The quick acting constant force electromagnet of claim 1, wherein: fixed block (43) pass through the screw and be fixed with tail-hood (4), and the binding face of fixed block (43) and tail-hood (4) is equipped with environmental protection silica gel, tail-hood (4) and pipe shell (1) lock and through set screw (41) fastening.
9. The quick acting constant force electromagnet of claim 1, wherein: the flexible FPC wire (32) is fixed with the tail cover (4) through a fixing block (43), and the flexible FPC wire (32) extends to the outside of the tail cover (4) through a wire passing groove (42).
10. The quick acting constant force electromagnet of claim 1, wherein: the tail cover (4) is made of any one of metal and plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921982123.4U CN210516379U (en) | 2019-11-15 | 2019-11-15 | Quick-acting constant force electromagnet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921982123.4U CN210516379U (en) | 2019-11-15 | 2019-11-15 | Quick-acting constant force electromagnet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210516379U true CN210516379U (en) | 2020-05-12 |
Family
ID=70574585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921982123.4U Active CN210516379U (en) | 2019-11-15 | 2019-11-15 | Quick-acting constant force electromagnet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210516379U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110729092A (en) * | 2019-11-15 | 2020-01-24 | 东莞市华壹科技有限公司 | Quick-acting constant force electromagnet |
-
2019
- 2019-11-15 CN CN201921982123.4U patent/CN210516379U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110729092A (en) * | 2019-11-15 | 2020-01-24 | 东莞市华壹科技有限公司 | Quick-acting constant force electromagnet |
| CN110729092B (en) * | 2019-11-15 | 2024-06-25 | 东莞市华壹科技有限公司 | Quick-acting constant force electromagnet |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210516379U (en) | Quick-acting constant force electromagnet | |
| CN104895921B (en) | A Two Degrees of Freedom Lorentz Force External Rotor Spherical Magnetic Bearing | |
| CN106351953A (en) | Halbach array deflecting lorentz force magnetic bearing with two degrees of freedom | |
| CN103683790A (en) | Permanent magnet straight reciprocating motion device | |
| CN102570767A (en) | Small-stroke energy-saving voice coil motor | |
| CA2043161A1 (en) | Voice coil type actuator | |
| CN110729092A (en) | Quick-acting constant force electromagnet | |
| CN101976989B (en) | Active magnetic bearing cylindrical linear motor | |
| CN210669844U (en) | Power generation device for battery-free tire pressure monitoring transmitter | |
| CN101436811A (en) | Novel permanent magnetic machine | |
| CN209016801U (en) | Brake abnormal shape stator mechanism, brake, robot and manipulator | |
| CN214796980U (en) | Electromagnet structure of switching device | |
| CN107331500B (en) | Special radial magnetic field orientation forming die | |
| CN102185461A (en) | Composite double-coil motor with axial and radial magnets | |
| CN101431285B (en) | Novel linear servo motor for piston external circular surface process | |
| CN205752064U (en) | The electromagnetic protection mechanism of low-voltage circuit breaker | |
| CN201868176U (en) | Voice coil electromagnet | |
| CN204052846U (en) | A kind of metal crimp mold guide pillar | |
| CN110118235A (en) | A kind of built-in permanent magnetic array axial direction eddy current damper | |
| CN206976770U (en) | A kind of carbon brush structure of direct current generator | |
| CN212627628U (en) | Novel magnetic suspension vibration device | |
| CN212115123U (en) | Magnetic suspension voice coil motor structure | |
| CN221728123U (en) | A micro magnetic shaft motor | |
| CN113517109B (en) | Linear bearing guiding and stroke-adjustable electromagnet | |
| CN202816833U (en) | Permanent magnetic mechanism of three-phase separate circuit breaker |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |