CN213384215U

CN213384215U - Rotary electromagnetic booster

Info

Publication number: CN213384215U
Application number: CN202022320444.7U
Authority: CN
Inventors: 葛剑飞
Original assignee: Zhejiang Jianda Auto Parts Co ltd
Current assignee: Zhejiang Jianda Auto Parts Co ltd
Priority date: 2020-10-19
Filing date: 2020-10-19
Publication date: 2021-06-08
Anticipated expiration: 2030-10-19

Abstract

The utility model discloses a rotary type electromagnetism booster, its technical scheme main points are: the electric motor comprises an end shell, wherein a motor is fixed in the end shell, a fixed rod is fixed at the end part of a motor shaft of the motor, an output shaft is detachably connected to the end part of the fixed rod, a copper sleeve is sleeved outside the output shaft, a shaft shoulder which is integrally formed with the output shaft is arranged outside the output shaft, a pressing sleeve is connected to the outside of the output shaft in a threaded manner, a plurality of iron blocks are fixed on the copper sleeve, the plurality of iron blocks are respectively in a wedge shape, a supporting shell is also detachably connected to the end shell, a plurality of electromagnets which are matched with the iron blocks are fixed in the supporting shell, and the output shaft is rotatably connected with the supporting shell; this rotary type electromagnetic booster simple structure, output shaft are difficult to advantages such as laying dust.

Description

Rotary electromagnetic booster

Technical Field

The utility model relates to a booster field, in particular to rotary type electromagnetic booster.

Background

At present, the multipurpose steering power assisting mode is vacuum power assisting type power assisting, faults easily occur, so the rotary electromagnetic power assisting device also has a certain application prospect, and the main effect of the rotary electromagnetic power assisting device is that certain output power assisting still exists when the external is cut off.

Reference is made to the chinese patent publication CN103640566A, which discloses a rotary booster comprising two parts, a booster and a resistance controller. An electromagnet is fixedly arranged on the booster shell, a power shaft is arranged on the booster shell through a bearing, and a permanent magnet is fixed on the power shaft. The resistor is fixed in the resistor controller, and the contact on the resistor can be in contact with or not in contact with the contact on the brake push rod. When braking, the brake pedal is stepped to drive the brake push rod to move forward, and the contact point of the brake push rod is contacted with the contact point of the resistance controller to switch on the power supply, so that the electromagnet generates a magnetic field with the polarity opposite to that of the permanent magnet, and the permanent magnet is pushed to rotate to generate power to realize the rotation assistance.

The electrically controlled clutch booster of the above kind has the advantage of reliable construction, but the electrically controlled clutch booster of the above kind still has some disadvantages, such as: the structure is complex, and the output shaft in the device is integrally exposed, so that the dirt is easily accumulated.

SUMMERY OF THE UTILITY MODEL

To the problem mentioned in the background art, the utility model aims at providing a rotary type electromagnetic booster to solve the problem mentioned in the background art.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a rotary type electromagnetic booster, includes the end shell, the end shell internal fixation has the motor, the motor shaft end fixing of motor has the dead lever, the dismantlement of dead lever end is connected with the output shaft, the outside cover of output shaft is equipped with the copper sheathing, the outside of output shaft have with output shaft integrated into one piece's shaft shoulder, the outside threaded connection of output shaft has the compression sleeve, be fixed with a plurality of iron plate, a plurality of on the copper sheathing the iron plate is the wedge respectively, it is connected with the supporting shell still to dismantle on the end shell, the supporting shell internal fixation have a plurality of with the electro-magnet of iron plate mutually supporting, the output shaft with rotate between the supporting shell and connect.

By adopting the technical scheme, the rotary electromagnetic booster has the advantages of simple structure, difficulty in dust accumulation of the output shaft and the like; when the motor is not in motion, the tangential force can be generated by the magnetic force of the electromagnet and the iron block on the copper sleeve to achieve the power assisting effect, and the structure is simple and reliable; in addition, can protect the output shaft through relying on end shell and support shell, reach the effect of hiding the dirt.

Preferably, a sliding groove is formed in the output shaft, a sliding block is connected to the inner portion of the sliding groove in a sliding mode, a spring is connected between the sliding block and the bottom of the sliding groove, and a jack for inserting the sliding block is formed in the copper sleeve.

Through adopting above-mentioned technical scheme, under the elastic force effect of sliding tray inner spring, the sliding block can insert to in the jack to can realize the installation location of copper sheathing.

Preferably, the end of the output shaft is provided with a connecting rod part integrally formed with the output shaft, and the outside of the connecting rod part is provided with an external thread.

Through adopting above-mentioned technical scheme, utilize connecting rod portion can make things convenient for output shaft and external being connected.

Preferably, a first flange plate is fixed at the end of the fixing rod, a second flange plate is fixed at the end of the output shaft, a plurality of studs are fixed on the first flange plate, and the studs are locked by fastening sleeves after penetrating through the second flange plate.

Through adopting above-mentioned technical scheme, can realize output shaft and fixed rod to be connected fixedly through screwing up the adapter sleeve of double-screw bolt outside on the first ring flange.

Preferably, a spring washer is sleeved outside the stud, and the spring washer is located between the fastening sleeve and the second flange plate.

Through adopting above-mentioned technical scheme, spring washer has the non return effect to the adapter sleeve, can prevent that it from taking place not hard up.

Preferably, the end shell and the support shell are fixedly connected through a plurality of locking bolts.

Through adopting above-mentioned technical scheme, utilize the locking bolt can make things convenient for the end shell to be connected fixedly with the support shell.

Preferably, the output shaft is rotatably connected in the support housing through a bearing.

Through adopting above-mentioned technical scheme, utilize the bearing can improve output shaft pivoted flexibility.

Preferably, the number of the iron blocks and the number of the electromagnets are three.

Through adopting above-mentioned technical scheme, adopt three group's electro-magnets and iron plate can be better increase helping hand effect.

To sum up, the utility model discloses mainly have following beneficial effect:

the rotary electromagnetic booster has the advantages of simple structure, difficult dust accumulation of the output shaft and the like; when the motor is not in motion, the tangential force can be generated by the magnetic force of the electromagnet and the iron block on the copper sleeve to achieve the power assisting effect, and the structure is simple and reliable; in addition, can protect the output shaft through relying on end shell and support shell, reach the effect of hiding the dirt.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is one of the structural sectional views of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

fig. 4 is a second structural sectional view of the present invention.

Reference numerals: 1. an end shell; 2. a motor; 3. fixing the rod; 4. an output shaft; 5. a copper sleeve; 6. a shaft shoulder; 7. a compression sleeve; 8. a support housing; 9. an iron block; 10. an electromagnet; 11. a sliding groove; 12. a slider; 13. a spring; 14. a jack; 15. a connecting rod part; 16. a first flange plate; 17. a second flange plate; 18. a stud; 19. fastening sleeves; 20. a spring washer; 21. locking the bolt; 22. and a bearing.

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.

Example 1

Referring to fig. 1-4, a rotary type electromagnetic booster, including end shell 1, end shell 1 internal fixation has motor 2, motor 2's motor shaft end is fixed with dead lever 3, 3 tip dismantlements of dead lever are connected with output shaft 4, the outside cover of output shaft 4 is equipped with copper sheathing 5, the outside of output shaft 4 has the shaft shoulder 6 with 4 integrated into one piece of output shaft, the outside threaded connection of output shaft 4 has compressing tightly cover 7, be fixed with a plurality of iron plate 9 on the copper sheathing 5, a plurality of iron plate 9 is the wedge respectively, it is connected with supporting shell 8 still to dismantle on the end shell 1, supporting shell 8 internal fixation has a plurality of and the mutual complex electro-magnet 10 of iron plate 9, rotate between output shaft 4 and the supporting shell 8 and be connected.

Referring to fig. 1 to 4, the rotary electromagnetic booster has the advantages of simple structure, less dust accumulation on the output shaft 4, and the like; when the power assisting is carried out, on one hand, the motor 2 can be utilized to drive the fixing rod 3 and the output shaft 4 to rotate so as to achieve the power assisting, and when the motor 2 is not moved, the tangential force can be generated by the magnetic force of the electromagnet 10 and the iron block 9 on the copper sleeve 5 so as to achieve the power assisting effect, so that the structure is simple and reliable; in addition, the output shaft 4 can be protected by relying on the end shell 1 and the supporting shell 8, and the dust shielding effect is achieved.

Referring to fig. 2 and 3, a sliding groove 11 is formed in the output shaft 4, a sliding block 12 is connected in the sliding groove 11 in a sliding manner, a spring 13 is connected between the sliding block 12 and the bottom of the sliding groove 11, an insertion hole 14 into which the sliding block 12 is inserted is formed in the copper bush 5, and under the elastic force of the spring 13 in the sliding groove 11, the sliding block 12 can be inserted into the insertion hole 14, so that the installation and positioning of the copper bush 5 can be realized.

Referring to fig. 1 and 4, a connecting rod portion 15 integrally formed with the output shaft 4 is provided at an end portion of the output shaft 4, an external thread is provided on an exterior of the connecting rod portion 15, and the connecting rod portion 15 can facilitate connection of the output shaft 4 with the outside; wherein, end shell 1 and support between the shell 8 and be connected fixedly through a plurality of locking bolt 21, utilize locking bolt 21 to make things convenient for end shell 1 and support shell 8 to be connected fixedly.

Referring to fig. 2 and 3, a first flange 16 is fixed at the end of the fixing rod 3, a second flange 17 is fixed at the end of the output shaft 4, a plurality of studs 18 are fixed on the first flange 16, the plurality of studs 18 are locked by fastening sleeves 19 after penetrating through the second flange 17, and the output shaft 4 and the fixing rod 3 can be fixedly connected by screwing the fastening sleeves 19 outside the studs 18 on the first flange 16; meanwhile, a spring washer 20 is sleeved outside the stud 18, the spring washer 20 is located between the fastening sleeve 19 and the second flange plate 17, and the spring washer 20 has a non-return effect on the fastening sleeve 19 and can prevent the fastening sleeve 19 from loosening.

Referring to fig. 2 and 3, wherein the output shaft 4 is rotatably connected in the support housing 8 through a bearing 22, the flexibility of rotation of the output shaft 4 can be improved by using the bearing 22; wherein the number of iron plate 9 and electro-magnet 10 is three groups respectively, adopts three group electro-magnets 10 and iron plate 9 can be better increase helping hand 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. The utility model provides a rotary type electromagnetic booster, includes end shell (1), end shell (1) internal fixation has motor (2), the motor shaft end fixing of motor (2) has dead lever (3), its characterized in that: the utility model discloses a bearing support, including dead lever (3), output shaft (4), copper sheathing (5), output shaft (4), the outside cover of dead lever (3) is equipped with copper sheathing (5), the outside of output shaft (4) have with output shaft (4) integrated into one piece's shaft shoulder (6), the outside threaded connection of output shaft (4) has compressing tightly cover (7), be fixed with a plurality of iron plate (9) on copper sheathing (5), a plurality of iron plate (9) are the wedge respectively, it is connected with support shell (8) still to dismantle on end shell (1), support shell (8) internal fixation have a plurality of with electromagnet (10) that iron plate (9) mutually supported, output shaft (4) with rotate between support shell (8) and be connected.

2. A rotary electromagnetic booster as recited in claim 1, wherein: a sliding groove (11) is formed in the output shaft (4), a sliding block (12) is connected to the sliding groove (11) in a sliding mode, a spring (13) is connected between the sliding block (12) and the bottom of the sliding groove (11), and a jack (14) for the sliding block (12) to be inserted is formed in the copper sleeve (5).

3. A rotary electromagnetic booster as recited in claim 1, wherein: the end part of the output shaft (4) is provided with a connecting rod part (15) which is integrally formed with the output shaft (4), and external threads are arranged outside the connecting rod part (15).

4. A rotary electromagnetic booster as recited in claim 1, wherein: a first flange plate (16) is fixed at the end of the fixing rod (3), a second flange plate (17) is fixed at the end of the output shaft (4), a plurality of studs (18) are fixed on the first flange plate (16), and the studs (18) are locked by fastening sleeves (19) after penetrating through the second flange plate (17).

5. A rotary electromagnetic booster as set forth in claim 4 wherein: the outer portion of the stud (18) is sleeved with a spring washer (20), and the spring washer (20) is located between the fastening sleeve (19) and the second flange plate (17).

6. A rotary electromagnetic booster as recited in claim 1, wherein: the end shell (1) and the supporting shell (8) are fixedly connected through a plurality of locking bolts (21).

7. A rotary electromagnetic booster as recited in claim 1, wherein: the output shaft (4) is rotatably connected in the supporting shell (8) through a bearing (22).

8. A rotary electromagnetic booster as recited in claim 1, wherein: the number of the iron blocks (9) and the number of the electromagnets (10) are three.