CN216649457U

CN216649457U - Speed reducer of electric steering device

Info

Publication number: CN216649457U
Application number: CN202123381314.5U
Authority: CN
Inventors: 王之璐
Original assignee: Anhui Nuosheng Transmission Technology Co ltd
Current assignee: Anhui Nuosheng Transmission Technology Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-05-31
Anticipated expiration: 2031-12-30

Abstract

The utility model discloses a speed reducer of an electric steering device, which comprises a speed reducer shell, wherein a prime motor shell is arranged on one side of the speed reducer shell, a plurality of fixing plates are fixed on one side of the speed reducer shell close to the prime motor shell, a plurality of side plates are fixed on the outer side of the prime motor shell, first sliding grooves are formed in the middles of one sides of the fixing plates, the side plates are in sliding fit with the insides of the corresponding first sliding grooves, first notches are formed in the side plates, second sliding grooves are formed in the fixing plates, and fixing blocks are connected to the insides of the second sliding grooves in a sliding mode. Through the setting of fixed block, sideboard and first notch, hold the handle and remove the carriage release lever, drive the fixed block when the carriage release lever removes for the fixed block inlays the inside of establishing first notch, makes the fixed block fix the sideboard, and this kind of fixed mode need not be with the help of external instrument, and the operation is comparatively simple, convenient moreover.

Description

Speed reducer of electric steering device

Technical Field

The present invention relates to a speed reducer, and more particularly, to a speed reducer for an electric power steering apparatus.

Background

The speed reducer plays a role in matching rotating speed and transmitting torque between a prime motor and a working machine or an actuating mechanism, is widely applied to modern machinery, can be divided into a general speed reducer and a special speed reducer according to purposes, and has different design, manufacture and use characteristics.

Among the prior art, when installing the fixing between reduction gear and the prime mover, fix through the screw usually, because the screw hole is the outside that is located the prime mover and hugs closely the setting, need be with the help of electric power tool when screwing the screw, this process is comparatively loaded down with trivial details, it is comparatively hard when installation and dismantlement, and when using for a long time, the screw easily rusts, lead to when rustting to be connected between reduction gear and the prime mover stable inadequately, and the later stage of being not convenient for overhauls reduction gear and prime mover.

SUMMERY OF THE UTILITY MODEL

Objects of the first utility model

In view of the above, the present invention provides a speed reducer of an electric power steering apparatus, so as to achieve quick installation between the speed reducer and a prime mover and improve stability of connection between the speed reducer and the prime mover.

(II) technical scheme

To achieve the above technical object, the present invention provides a reducer of an electric power steering apparatus:

the motor comprises a speed reducer shell, wherein a prime motor shell is arranged on one side of the speed reducer shell, a plurality of fixing plates are fixed on one side of the speed reducer shell close to the prime motor shell, a plurality of side plates are fixed on the outer side of the prime motor shell, first sliding grooves are formed in the middles of one sides of the fixing plates, and the side plates are in sliding fit with the inner parts of the corresponding first sliding grooves;

first notch has been seted up to the inside of sideboard, the second spout has been seted up to the inside of fixed plate, the inside sliding connection of second spout has the fixed block, fixed block sliding fit corresponds the inside of first notch, one side at fixed plate top is provided with and is used for carrying out the fixed establishment fixed to the fixed block.

Preferably, the fixing mechanism comprises a second notch arranged on one side of the top of the fixing plate, the second notch is communicated with the inside of the second sliding groove, an inserting rod is connected to the inside of the second notch in a sliding manner, a rod embedding groove is formed in one side of the top of the fixing block, and the bottom of the inserting rod is communicated with the inside of the rod embedding groove.

It should be noted that, after one side of the fixed block, which is far away from the moving rod, is attached to the inner wall of the second sliding groove, that is, after the fixed block is fixed by the fixing mechanism, one side of the fixed block, which is close to the moving rod, is still located inside the second sliding groove.

Preferably, the inner wall at second notch top is fixed with the spacing ring, the inserted bar is located the inside sliding connection of spacing ring, the outside of inserted bar bottom is fixed with annular plate, the outside cover of inserted bar is equipped with the elastic component, and the one end of elastic component and the top of annular plate are fixed mutually, the other end of elastic component and the bottom of spacing ring are fixed mutually.

The elastic member may be a spring or the like.

Preferably, the outer diameter of the annular plate is larger than the inner diameter of the limiting ring, a circular plate is fixed to the top of the inserted rod, and the diameter of the circular plate is larger than that of the second notch.

It should be noted that the circular plate is provided to facilitate the movement of the plunger by the operator.

Preferably, the middle part of fixed block one side is fixed with the carriage release lever, the one end that the fixed block was kept away from to the carriage release lever runs through the fixed plate and with fixed plate sliding connection, the one end that the fixed block was kept away from to the carriage release lever is fixed with the handle.

Preferably, one side of the fixed plate is provided with a groove for the movable rod to slide, and the groove is communicated with the inside of the second sliding groove.

Preferably, the height of first notch equals the height of second spout, the upper and lower both sides of fixed block all laminate mutually with upper and lower both sides inner wall of second spout, the upper and lower both sides inner wall of first notch, the length of fixed block is greater than the length of sideboard.

According to the technical scheme, the method has the following beneficial effects:

1: through the setting of fixed block, sideboard and first notch, hold the handle and remove the carriage release lever, drive the fixed block when the carriage release lever removes for the fixed block inlays the inside of establishing first notch, makes the fixed block fix the sideboard, and this kind of fixed mode need not be with the help of external instrument, and the operation is comparatively simple, convenient moreover.

2: through setting up of inserted bar, elastic component and embedded bar groove, earlier the inserted bar rebound, treat the one side of fixed block and the inner wall of second spout back of laminating mutually for the fixed block is fixed with the sideboard, loosens the inserted bar again, and under the effect of elastic component resilience force, the inserted bar inlays the inside of establishing the embedded bar groove, makes the fixed block fixed, thereby makes the fixed block fixed, has improved the stability of being connected between reduction gear and the prime mover.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic front view of a reducer of an electric power steering apparatus according to the present invention.

Fig. 2 is a schematic front view, partially in section, of a reducer of an electric power steering apparatus according to the present invention.

Fig. 3 is a schematic top view of a reducer of an electric power steering apparatus according to the present invention.

Fig. 4 is a schematic view of an internal structure of a fixing plate in a reducer of an electric power steering apparatus according to the present invention.

Fig. 5 is an enlarged schematic view of the structure at a in fig. 4 according to the present invention.

Description of the drawings: 1. a reducer housing; 2. a prime mover housing; 3. a fixing plate; 4. a side plate; 5. a first notch; 6. a first chute; 7. a second chute; 8. a fixed block; 9. a travel bar; 10. a grip; 11. a rod embedding groove; 12. a second notch; 13. inserting a rod; 14. a limiting ring; 15. an annular plate; 16. an elastic member; 17. a circular plate.

Detailed Description

The following description is merely exemplary in nature and is not intended to limit the present disclosure, application, or uses. It should be understood that throughout the drawings, identical or similar reference numerals indicate identical or similar parts and features. The drawings are only schematic representations of the concepts and principles of the embodiments of the disclosure, and do not necessarily show specific dimensions or proportions of the various embodiments of the disclosure. Certain features that are part of a particular figure may be exaggerated in order to illustrate relevant details or structures of embodiments of the present disclosure.

Referring to FIGS. 1-5:

example one

The utility model provides an electric power steering's reduction gear, includes reduction gear housing 1, and one side of reduction gear housing 1 is provided with former motor housing 2, and one side that reduction gear housing 1 is close to former motor housing 2 is fixed with a plurality of fixed plates 3, and the outside of former motor housing 2 is fixed with a plurality of sideboard 4, and first spout 6 has all been seted up at the middle part of 3 one sides of a plurality of fixed plates, and sideboard 4 sliding fit corresponds the inside of first spout 6.

Wherein, first notch 5 has been seted up to the inside of sideboard 4, and second spout 7 has been seted up to the inside of fixed plate 3, and the inside sliding connection of second spout 7 has fixed block 8, and fixed block 8 sliding fit is in the inside that corresponds first notch 5, and one side at fixed plate 3 top is provided with and is used for carrying out the fixed establishment fixed to fixed block 8.

It should be noted that, after the sideboard 4 is embedded inside the first chute 6, the two sides of the sideboard 4 are attached to the inner walls of the two sides of the first chute 6, and after the fixing mechanism fixes the fixing block 8, the fixing block 8 fixes the sideboard 4, so that the fixing plate 3 and the sideboard 4 are fixed.

In addition, the middle part of fixed block 8 one side is fixed with carriage release lever 9, and the one end that fixed block 8 was kept away from to carriage release lever 9 runs through fixed plate 3 and with fixed plate 3 sliding connection, and the one end that fixed block 8 was kept away from to carriage release lever 9 is fixed with handle 10, and the gliding recess of confession carriage release lever 9 is seted up to one side of fixed plate 3, and the inside of recess and second spout 7 is linked together.

In addition, the height of the first notch 5 is equal to that of the second sliding groove 7, the upper side and the lower side of the fixing block 8 are attached to the inner walls of the upper side and the lower side of the second sliding groove 7 and the inner walls of the upper side and the lower side of the first notch 5, and the length of the fixing block 8 is larger than that of the side plate 4.

It is supplementary to need, the length of carriage release lever 9 satisfies and removes fixed block 8 to the opposite side of second spout 7 from one side of second spout 7, because the length of fixed block 8 is greater than the length of sideboard 4 for behind fixed block 8 runs through the inside of first notch 5, after one side that carriage release lever 9 was kept away from to fixed block 8 and the inner wall of second spout 7 laminated mutually, fixed mechanism fixes back with fixed block 8 promptly, and one side that fixed block 8 is close to carriage release lever 9 still is located the inside of second spout 7.

Example two

The utility model provides an electric power steering's reduction gear, its on the basis of embodiment one, fixed establishment is including offering the second notch 12 in fixed plate 3 top one side, and second notch 12 and the inside of second spout 7 are linked together, and the inside sliding connection of second notch 12 has inserted bar 13, and embedded bar groove 11 has been seted up to one side at fixed block 8 top, and the bottom of inserted bar 13 is linked together with embedded bar groove 11's inside.

Wherein, the inner wall at second notch 12 top is fixed with spacing ring 14, and inserted bar 13 is located the inside sliding connection of spacing ring 14, and the outside of inserted bar 13 bottom is fixed with annular plate 15, and the outside cover of inserted bar 13 is equipped with elastic component 16, and the one end of elastic component 16 is fixed mutually with the top of annular plate 15, and the other end of elastic component 16 is fixed mutually with the bottom of spacing ring 14.

In addition, the elastic member 16 may use a spring or the like, and the bottom of the insertion rod 13 of the elastic member 16 is capable of being inserted into the insertion rod groove 11 in the initial state.

Further, the outer diameter of the annular plate 15 is larger than the inner diameter of the retainer ring 14, a circular plate 17 is fixed to the top of the plunger 13, and the diameter of the circular plate 17 is larger than that of the second notch 12.

It is worth mentioning that since the outside diameter of the annular plate 15 is larger than the inside diameter of the retainer ring 14, the insertion rod 13 is prevented from moving out of the inside of the second notch 12, and the circular plate 17 is provided to facilitate the operator to move the insertion rod 13.

The working principle is as follows: aligning the side plate 4 on the prime mover housing 2 with the first chute 6, butting the prime mover housing 2 with the reducer housing 1, embedding the output shaft on the prime mover housing 2 into the reducer housing 1, holding the circular plate 17 to pull upwards, driving the insertion rod 13 to move upwards by the circular plate 17, driving the annular plate 15 to extrude the elastic piece 16 when the insertion rod 13 moves, compressing the elastic piece 16, holding the handle 10 to push the moving rod 9, driving the fixed block 8 to move by the moving rod 9, allowing one side of the fixed block 8 to pass through the first notch 5 until one side of the fixed block 8 is attached to the inner wall of the second chute 7, then loosening the circular plate 17, embedding the bottom of the insertion rod 13 into the embedding rod groove 11 under the action of the resilience force of the elastic piece 16, fixing the fixed block 8, binding the side plate 4 by the fixed block 8 at the moment, and fixing the fixed plate 3 and the side plate 4, namely, the reducer case 1 and the prime mover case 2 are fixed.

Exemplary embodiments of the proposed solution of the present disclosure have been described in detail above with reference to preferred embodiments, however, it will be understood by those skilled in the art that many variations and modifications may be made to the specific embodiments described above, and that many combinations of the various technical features and structures presented in the present disclosure may be made without departing from the concept of the present disclosure, without departing from the scope of the present disclosure, which is defined by the appended claims.

Claims

1. A reducer of an electric steering device comprises a reducer shell (1), and is characterized in that one side of the reducer shell (1) is provided with a prime mover shell (2), one side of the reducer shell (1) close to the prime mover shell (2) is fixedly provided with a plurality of fixing plates (3), the outer side of the prime mover shell (2) is fixedly provided with a plurality of side plates (4), the middle parts of one sides of the fixing plates (3) are respectively provided with a first sliding groove (6), and the side plates (4) are in sliding fit with the inner parts of the corresponding first sliding grooves (6);

first notch (5) have been seted up to the inside of sideboard (4), second spout (7) have been seted up to the inside of fixed plate (3), the inside sliding connection of second spout (7) has fixed block (8), fixed block (8) sliding fit corresponds the inside of first notch (5), one side at fixed plate (3) top is provided with and is used for carrying out the fixed establishment fixed to fixed block (8).

2. The reducer of an electric power steering apparatus according to claim 1, wherein the fixing mechanism includes a second notch (12) provided on a top side of the fixing plate (3), the second notch (12) communicates with an inside of the second sliding groove (7), an insertion rod (13) is slidably connected to an inside of the second notch (12), a rod insertion groove (11) is provided on a top side of the fixing block (8), and a bottom of the insertion rod (13) communicates with an inside of the rod insertion groove (11).

3. The reducer of an electric power steering device according to claim 2, wherein a limit ring (14) is fixed to an inner wall of the top of the second notch (12), the insert rod (13) is located inside the limit ring (14) and slidably connected, an annular plate (15) is fixed to an outer side of the bottom of the insert rod (13), an elastic member (16) is sleeved on an outer side of the insert rod (13), one end of the elastic member (16) is fixed to the top of the annular plate (15), and the other end of the elastic member (16) is fixed to the bottom of the limit ring (14).

4. A reducer of an electric power steering apparatus according to claim 3, wherein the outer diameter of the annular plate (15) is larger than the inner diameter of the retainer ring (14), a circular plate (17) is fixed to the top of the insert rod (13), and the diameter of the circular plate (17) is larger than the diameter of the second notch (12).

5. The reducer of an electric power steering apparatus according to claim 1, wherein a moving rod (9) is fixed to a middle portion of one side of the fixed block (8), an end of the moving rod (9) away from the fixed block (8) penetrates the fixed plate (3) and is slidably connected with the fixed plate (3), and a handle (10) is fixed to an end of the moving rod (9) away from the fixed block (8).

6. The reducer of an electric power steering apparatus according to claim 5, wherein a groove for sliding the moving bar (9) is formed at one side of the fixing plate (3), and the groove communicates with the inside of the second sliding groove (7).

7. A reducer of electric power steering apparatus according to any one of claims 1 to 6, wherein the height of the first notch (5) is equal to the height of the second runner (7), the upper and lower sides of the fixing block (8) are attached to the inner walls of the second runner (7) and the inner walls of the first notch (5), and the length of the fixing block (8) is greater than the length of the side plate (4).