CN217486324U - Locking structure of stabilizer motor - Google Patents

Abstract

The utility model discloses a locking structure of a stabilizer motor, the stabilizer motor comprises a fixed part and a rotating part which rotate relatively, the fixed part comprises an iron core bracket, and the rotating part comprises a motor shell; the locking structure comprises a lock rod and a protrusion, a limiting groove matched with the protrusion along the rotation direction of the motor shaft is arranged at the end part of the lock rod, and the limiting groove and the protrusion are arranged along the direction parallel to the axis of the motor shaft; one of the lock rod or the bulge is fixedly arranged on the upper end face of the iron core support, and the other lock rod or the bulge is fixedly arranged inside the motor shell. The utility model discloses a locking structure of stabilizer motor, spare part is less, and convenient processing and installation do not influence the axial and the radial dimension of motor.

Description

Locking structure of stabilizer motor

Technical Field

The utility model relates to a motor locking field especially relates to a locking structure of stabilizer motor.

Background

At present, in order to improve the motor stability that stabilizer, cloud platform are folding to be accomodate, set up locking mechanical system inside the motor or the beam arm of being connected with the motor usually, locking mechanical system among the prior art is divided into two types: the first type is that the stator and the rotor of the motor are relatively fixed through the matching of the lock pin and the lock groove, the locking structure of the type is mostly matched with the lock groove through elastic parts such as springs, and the like, the motor needs to be subjected to grooving, drilling and other processing, and after the elastic parts are used for a long time, gaps are easy to appear, so that the lock pin shakes or produces abnormal sound in the motor in the using process, the use feeling is influenced, in addition, various parts are required to be matched, and the assembly is not easy; in the second category, the rotation locking of the motor is realized by matching a limit structure and a protrusion inside the motor, wherein one of the limit structure and the protrusion is made of an elastic material, and the number of parts of the locking structure is small, but the following defects exist:

first, for example, the locking structure disclosed in chinese patents CN210948071U and CN215862416U, in which the locking groove and the protrusion are matched in a direction perpendicular to the motor shaft, because the elastic member in the locking groove or the protrusion is elastically deformed under the action of external force during the locking and unlocking processes, the locking structure will generate a gap or fail due to wear after long-term use; secondly, for example, the pan/tilt head disclosed in chinese patent CN110770494A includes a locking structure of the motor, in which a first limit structure (locking groove) and a second limit structure (protrusion) are respectively disposed on the end of the motor shaft and the base of the motor, resulting in a larger axial dimension of the motor, and wear and tear will cause the locking structure to generate a gap or fail after a long time of use.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model provides a locking structure of stabilizer motor aims at solving current motor locking structure, will lead to locking structure to produce clearance or inefficacy through long-time use wearing and tearing, lays at the great scheduling problem of axial dimension that the locking structure of motor shaft tip leads to the motor.

The utility model discloses take following technical scheme to realize above-mentioned purpose:

a locking structure of a stabilizer motor comprises a fixed part and a rotating part which rotate relatively, wherein the fixed part comprises an iron core bracket, and the rotating part comprises a motor shell; the locking structure comprises a lock rod and a bulge, a limiting groove matched with the bulge along the rotation direction of the motor shaft is arranged at the end part of the lock rod, and the limiting groove and the bulge are arranged along the direction parallel to the axis of the motor shaft; one of the lock rod or the bulge is fixedly arranged on the upper end face of the iron core support, and the other lock rod or the bulge is fixedly arranged inside the motor shell.

The working principle and the working process of the technical scheme are as follows: the locking structure is used for keeping the fixed part and the rotating part in a relatively static state, firstly, the limiting groove and the bulge are mutually matched along the rotating direction of the motor shaft, namely the limiting groove can limit the bulge to be separated from the limiting groove under the condition of less than certain acting force, or the bulge can enter the limiting groove under the condition of more than certain acting force; secondly, the limiting groove and the protrusion are arranged in the direction parallel to the axis of the motor shaft, namely the limiting groove and the protrusion are arranged up and down in the height direction of the motor shaft, in the motor assembly in the prior art, a certain height adjusting allowance is usually reserved between the iron core and the ferromagnetic material on the outer ring of the iron core, the tightness adjustment of the locking structure can be realized by adjusting the relative height of the iron core support and the ferromagnetic material, and in addition, when the motor is worn due to long-time use, the wear of the locking structure can be compensated by adjusting the relative height of the iron core support and the ferromagnetic material.

The specific working process is as follows: at the initial moment, the arch is located the spacing inslot, spacing groove restriction arch is clockwise and anticlockwise rotation around the motor shaft promptly, the motor is in the locking state, when applying motor pivoted torsion, drive protruding inboard of extruding the spacing groove, make spacing groove and protruding position of mutually supporting produce certain elastic deformation or axial displacement, make the arch break away from the spacing groove, the motor is in the unblock state promptly, exert motor pivoted torsion again, drive the outside of protruding extrusion spacing groove, make spacing groove and protruding position of mutually supporting produce certain elastic deformation or axial displacement, make the arch get into the spacing groove, the motor is in the locking state promptly. Locking structure spare part among this technical scheme is less, convenient processing and installation, in addition, can be through adjusting iron core support and ferromagnetic material's relative height, compensates the wearing and tearing that the long-time use of locking structure produced, improves locking structure's stability, and locking structure lays in the inside iron core support upper portion of motor simultaneously, does not influence the axial and the radial dimension of motor.

The technical scheme is that the lock rod is made of elastic materials, one end of the lock rod is fixedly connected with the motor shell, and the limiting groove is located at the other end of the lock rod. In the technical scheme, the limiting groove is elastically connected with the motor shell through the elastic locking rod, namely when the motor rotates under the action of external force, the limiting groove is extruded by the protrusion to enable the locking rod to be elastically deformed, the limiting groove is subjected to force moving along the axial direction of the motor shaft, and the protrusion can enter or separate from the limiting groove, so that the motor is locked or unlocked, wherein the force moving along the axial direction of the motor shaft comprises resultant force of component force in the direction.

The further technical scheme is that the lock rod comprises an axial section and a radial section which are connected, the radial section is fixedly connected with the motor shell, and the limiting groove is located at the end part of the axial section. In the technical scheme, the axial section and the radial section of the lock rod form a structure similar to a 7 shape, the lock rod can be installed on the upper end face of the motor shell through the radial section, and the axial section of the lock rod extends to the height position matched with the protrusion above the iron core support from the upper part of the motor shell, so that the installation of the locking structure is further facilitated.

The further technical scheme is that the radial section is fixedly connected with the motor shell through a bolt, and a gasket is arranged between the radial section and the motor shell. Among this technical scheme, through detachable bolted connection mode, reduce the gasket or reduce the thickness of gasket to adjust spacing groove and bellied relative height, compensate the wearing and tearing that the long-time use of locking structure produced.

The further technical scheme is that the limiting groove comprises a first limiting bulge and a second limiting bulge which are matched with the bulges, and at least one of the first limiting bulge, the second limiting bulge or the bulges is an elastic part. In this technical scheme, when the outside applied torsion, elastic component receives the extrusion and produces elastic deformation, and the arch has the space to get into or break away from the spacing groove in motor rotation direction to can realize the locking or the unblock of motor, when the extrusion force disappears, the resilience force of elastic component drives the spacing groove and resets, can realize the locking or the unblock operation next time.

The further technical scheme is that the first limiting bulge is an elastic part, and the second limiting bulge is a stop part. Among this technical scheme, when the motor is in the lock-out state, the arch can only rotate to elastomeric element's direction and realize the unblock, and when the motor was in the unlock-out state, the arch received the resistance of backstop portion, made the rotation of motor along a direction can not exceed a week, avoided the inside wire rod winding of stabilizer motor.

The further technical proposal is that the locking structure also comprises an elastic piece; the resilience force of the elastic piece is used for driving the limiting groove to compress the protrusion. In the technical scheme, the resilience force of the elastic piece is used for driving the limiting groove to compress the protrusion, namely the protrusion can be limited to be separated from the limiting groove under the condition of less than a certain force; when torque is applied to the external part, the protrusion extrudes the limiting groove, the limiting groove is subjected to component force along the axial direction of the motor shaft, the elastic part generates elastic deformation, the protrusion moves along the axial direction of the motor shaft relative to the limiting groove, the protrusion has space in the rotating direction of the motor to enter or separate from the limiting groove, and when the extrusion force disappears, the resilience force of the elastic part drives the limiting groove to reset.

The further technical scheme is that the locking structure comprises a locking rod, the locking rod comprises an axial section and a radial section which are connected, the radial section is connected with the motor shell through a bolt, two ends of the elastic part are respectively abutted to the lower end face of a nut of the bolt and the upper end face of the radial section, and the limiting groove is located at the end part of the axial section. Among this technical scheme, because the elastic component is installed under the nut of bolt between the up end of terminal surface and radial section, so the locking lever can drive the axial motion of spacing groove along the motor shaft, when the motor receives external force to rotate promptly, protruding extrusion spacing groove, spacing groove is along motor shaft axial motion, pass through the locking lever with the extrusion force and transmit to the elastic component, the arch can get into or break away from the spacing groove, thereby realize the locking or the unblock of motor, when the power of protruding extrusion spacing groove disappears, the resilience force of elastic component makes the spacing groove reset.

The further technical scheme is that the protrusions are integrally formed on the upper end face, close to the inner side of the motor shell, of the iron core support.

The further technical proposal is that the bulge is in a circular arc structure. The convex structure of the technical scheme can facilitate the protrusion to enter and exit the limit groove.

The utility model has the advantages that:

the utility model provides a pair of locking structure of stabilizer motor, its spare part is less, and the processing and the assembly of being convenient for can compensate the wearing and tearing of locking structure through adjustment spacing groove and bellied relative altitude, improve the stability of locking structure, and the iron core support upper portion inside the motor is laid to the locking structure simultaneously, does not influence the axial and the radial dimension of motor.

Drawings

FIG. 1 is a diagram: components of a whole that can function independently schematic diagram of stabilizer motor.

FIG. 2 is a diagram of: locking structure cross-sectional view in the stabilizer motor.

FIG. 3 is a diagram of: locking structure's locking state schematic diagram.

FIG. 4 is a diagram of: external structure schematic diagram of stabilizer motor.

FIG. 5 is a diagram: stabilizer motor components of a whole that can function independently schematic diagram with first spring.

FIG. 6 is a diagram of: stabilizer motor components of a whole that can function independently schematic diagram with spring mounting hole.

FIG. 7 is a diagram of: stabilizer motor components of a whole that can function independently schematic diagram with spring.

In the figure:

1. an iron core support; 10. an iron core; 101. a spring mounting hole; 11. a protrusion; 111. a first spring; 112. a cover plate; 113. A screw; 2. a motor housing; 20. magnetic steel; 21. a locking bar mounting groove; 3. a lock lever; 30. a limiting groove; 301. a first limit projection; 302. a second limit bulge; 31. an axial section; 32. a radial segment; 33. a bolt; 34. a spring; 4. a motor shaft; 41. a first bearing; 42. a second bearing; 5. mounting a nut on the magnet; 51. a ring magnet.

Detailed Description

The present invention will be described in detail with reference to fig. 1 to 7 and the following embodiments in which "upper" and "lower", "high" and "low" described in positional relationship are relative and do not limit absolute positional relationship between the components. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

The present embodiment provides a motor locking structure of a stabilizer, as shown in fig. 1 to 4, the locking structure is used for a motor of a stabilizer, the stabilizer motor includes a fixing portion and a rotating portion which rotate relatively, the fixing portion includes an iron core bracket 1, and the rotating portion includes a motor housing 2; the motor shell 2 of the rotating part is fixedly connected with a connecting rod (used for connecting a motor adjacent to the stabilizer) of the stabilizer, the rotating part further comprises a magnetic steel 20 fixedly arranged on the inner wall of the motor shell 2, a motor shaft 4 fixedly arranged at the end part of the motor shaft and the upper wall of the motor shell 2, a magnet mounting nut 5 fixedly arranged at the other end of the motor shaft 4, an annular magnet 51 fixedly connected with the magnet mounting nut 5, and the fixing part further comprises an iron core 10 fixedly arranged on the iron core support 1; the motor shaft 4 penetrates through the iron core support 1, and the motor shaft 4 is rotatably connected with an inner ring of the iron core support 1 through a first bearing 41 and a second bearing 42, so that a relative rotation structure of a rotating part and a fixed part of the motor is realized;

the locking structure comprises a locking rod 3 and a bulge 11, the end part of the locking rod 3 is provided with a limiting groove 30 matched with the bulge 11 along the rotating direction of a motor shaft 4, the limiting groove 30 and the bulge 11 are arranged along the direction parallel to the axis of the motor shaft 4, the bulge 11 in the locking structure is fixedly arranged on the upper end surface of an iron core support 1, the limiting groove 30 and the locking rod 3 are of an integrated structure, wherein the locking rod 3 comprises an axial section 31 and a radial section 32 which are sequentially connected, the limiting groove 30 is positioned at the end part of the axial section 31, the radial section 32 is fixedly connected with a motor shell 2 through a bolt 33, the motor shell 2 is provided with a locking rod mounting groove 21 penetrating through the upper wall of the motor shell, one end of the axial section 31 of the locking rod 3 is fixedly connected with the radial section 32, the other end extends into the motor shell 2 through the locking rod mounting groove 21, so that the limiting groove 30 is at the axial height matched with the bulge 11, in order to not influence the matching of the iron core of the motor fixing part and the magnetic steel 30 of the rotating part, the locking structure is positioned outside the magnetic steel 30; the lock rod 3 is made of elastic material, such as rubber, silica gel or elastic metal, that is, the limit groove 30 is connected with the motor housing 2 through the lock rod 3 (elastic part), and the working principle is as follows: the locking structure of the embodiment is used for keeping the fixed part and the rotating part in a relatively static state, firstly, the limiting groove 30 and the protrusion 11 are mutually matched along the rotating direction of the motor shaft 4, and the resilience force of the lock rod 3 (elastic part) is used for driving the limiting groove 30 to press the protrusion 11, namely, the protrusion 11 can be limited to be separated from the limiting groove 30 under the condition of less than a certain action force; secondly, the limiting groove 30 is elastically connected with the inside of the motor shell 2 through the lock rod 3 (elastic piece), when torque is applied to the outside, the protrusion 11 extrudes the limiting groove 30, the limiting groove 30 is subjected to force along the axial direction of the motor shaft, so that the elastic piece generates elastic deformation, the limiting groove 30 moves along the axial direction of the motor shaft in the direction far away from the protrusion 11, the protrusion 11 has a space in the rotating direction of the motor to be separated from the limiting groove 30, and when the extrusion force disappears, the resilience force of the lock rod 3 (elastic piece) drives the limiting groove 30 to reset; thirdly, the limiting grooves 30 and the protrusions 11 are arranged in the direction parallel to the axis of the motor shaft 4, that is, the limiting grooves 30 and the protrusions 11 are arranged up and down in the height direction of the motor shaft, in the motor assembly of the prior art, a certain height adjustment allowance is usually left between the iron core and the magnetic steel 20 on the outer ring of the iron core, and the tightness adjustment of the locking structure can be realized by adjusting the relative height of the iron core support 1 and the magnetic steel 20, and in addition, when abrasion is generated due to long-time use, the abrasion of the locking structure can be compensated by adjusting the relative height of the iron core support 1 and the magnetic steel 20;

the specific working process is as follows: at the initial moment, arch 11 is located limiting groove 30 inside, namely under the effect of elastic component resilience force, can restrict arch 11 around motor shaft 4 clockwise and anticlockwise rotation, the motor is in the lock-up state, when applying motor pivoted torsion, arch 11 extrudes limiting groove 30, limiting groove 30 moves to the direction of keeping away from arch 11 along the axial of motor shaft, make the elastic component produce elastic deformation, arch 11 can break away from limiting groove 30, the resilience force of elastic component drives limiting groove 30 and resets, namely the motor is in the unlock state, exert motor pivoted torsion again, arch 11 extrudes limiting groove 30, limiting groove 30 moves to the direction of keeping away from arch 11 along the axial of motor shaft, make the elastic component produce elastic deformation, arch 11 can get into limiting groove 30, the resilience force of elastic component drives limiting groove 30 and resets, namely the motor is in the lock-up state. Locking structure spare part in this embodiment is less, convenient processing and installation, in addition, can be through adjusting iron core support 1 and magnet steel 20's relative height, compensate the wearing and tearing that the long-time use of locking structure produced, improve locking structure's stability, and locking structure lays in the inside iron core support 1 upper portion of motor simultaneously, does not influence the axial and the radial dimension of motor.

The specific implementation manners of "fixedly connecting", "fixedly arranging", and the like in the above embodiments may include, but are not limited to, implementation manners of integral molding, snapping, a threaded structure, gluing, welding, and the like. The above embodiments exemplarily show the specific manner and position of the elastic member in the locking structure, and can be replaced by the following manners in other embodiments or practical applications: in the embodiment of the specific shape of the lock rod 3, the elastic member may also be a spring 34, for example, as shown in fig. 7, in the embodiment of the lock rod with an axial section and a radial section, the lock rod is made of other elastic materials or rigid materials, the radial section 32 of the lock rod is connected with the upper end surface of the motor housing 2 through a bolt 33, the axial section 31 of the lock rod extends through the lock rod mounting hole 21 to the position where the upper part of the core bracket 1 is matched with the protrusion 11, wherein a spring 34 is mounted between the lower end surface of the nut of the bolt 33 and the upper end surface of the radial section 32, since the spring 34 is mounted between the lower end surface of the nut of the bolt 33 and the upper end surface of the radial section 32, the lock rod 3 can drive the limit groove 30 to move axially along the motor shaft 4, that is when the motor is rotated by external force, the protrusion 11 presses the limit groove 30 axially along the motor shaft, so that the pressing force is transmitted to the spring 34 through the lock rod 3, the bulge 11 has a space to enter or separate from the limit groove 30 in the rotation direction of the motor shaft, so that the locking or unlocking of the motor is realized, and when the force of the bulge 11 extruding the limit groove 30 disappears, the resilience force of the spring 34 enables the limit groove 30 to reset; furthermore, the elastic member may also be replaced with, but not limited to, a rubber block or the like;

or the limiting groove 30 may include a first limiting protrusion 301 and a second limiting protrusion 302 that are matched with the protrusion 11, the first limiting protrusion 301 is an elastic component, the second limiting protrusion 302 is a rigid structure, at least a part of the first limiting protrusion 301 may be made of, but not limited to, rubber, silica gel, metal with certain elasticity, and the like, which can generate a certain elastic deformation material, or made of a spring, an elastic sheet matched with a rigid component; it should be noted that the axial height of the limiting groove 30 and the protrusion 11 may be determined according to the elastic modulus of the following elastic component, but the protrusion 11 is at least partially located on the rotation track of the first limiting protrusion 301 and the second limiting protrusion 302, so as to function as a limiting and/or stopping function;

the working principle and the working process of the locking structure in the embodiment are as follows: firstly, the limiting groove 30 and the protrusion 11 are matched with each other along the rotating direction of the motor shaft 4, namely, the first limiting protrusion 301 and the second limiting protrusion 302 of the limiting groove 30 can limit the protrusion 11 to be separated from the limiting groove 30 under the condition of less than a certain force; secondly, the first limiting protrusion 301 is an elastic component, when a torque force is applied to the outside, the elastic part of the first limiting protrusion 301 is extruded to generate elastic deformation, that is, under the action of an external force, the protrusion 11 can be separated from the limiting groove 30 through one side of the first limiting protrusion 301; thirdly, the second limiting bulge 302 is of a rigid structure, so that the bulge 11 can be prevented from being separated from one side of the second limiting bulge 302 or entering the limiting groove 30, and meanwhile, the motor can be prevented from rotating for more than one circle along the same direction, and the winding of wires in the motor can be avoided; fourthly, the limiting groove 30 and the protrusion 11 are arranged along the direction parallel to the axis of the motor shaft 4, namely the limiting groove 30 and the protrusion 11 are arranged up and down along the height direction of the motor shaft 4, the opening direction of the limiting groove 30 is arranged opposite to the upper end face of the iron core bracket 1, in the motor assembly of the prior art, a certain height adjusting allowance is usually left between the iron core 10 and the magnetic steel 20 on the outer ring of the iron core, the tightness adjustment of the locking structure can be realized by adjusting the relative height of the iron core bracket 1 and the magnetic steel 20, and in addition, when abrasion is generated by long-time use, the abrasion of the locking structure can be compensated by adjusting the relative height of the iron core bracket 1 and the magnetic steel 20;

the specific working process is as follows: at the initial moment, as shown in fig. 3, the protrusion 11 is located inside the limiting groove 30, that is, the first limiting protrusion 301 and the second limiting protrusion 302 limit the protrusion 11 to rotate clockwise and counterclockwise around the motor shaft, the motor is in a locked state, when the torque force of the counterclockwise rotation of the motor is applied, the first limiting protrusion 301 is extruded by the protrusion 11 to generate elastic deformation, the protrusion 11 is separated from the limiting groove 30, that is, the motor is in an unlocked state, the torque force of the clockwise rotation of the motor is applied again, the first limiting protrusion 301 is extruded again to generate elastic deformation, and the protrusion 11 enters the limiting groove 30, that is, the motor is in a locked state. Locking structure spare part in this embodiment is less, convenient processing and installation, in addition, can be through adjusting iron core support 1 and magnet steel 20's relative height, compensate the wearing and tearing that the long-time use of locking structure produced, improve locking structure's stability, and locking structure lays in the inside iron core support 1 upper portion of motor simultaneously, does not influence the axial and the radial dimension of motor.

In other embodiments, the second limiting protrusion 302, or the protrusion 11, or the first limiting protrusion 301 and the protrusion 11, or the second limiting protrusion 302 and the protrusion 11, or the first limiting protrusion 301 and the second limiting protrusion 302 and the protrusion 11 may be replaced by a technical solution in which elastic members are provided, and the protrusion 11 can enter or separate from the limiting groove 30 under a certain torsion, that is, the motor can be locked or unlocked. It should be noted that, in the embodiment where some protrusions 11 are elastic components, besides being made of the elastic material in the above embodiment, the protrusions 11 may be installed on the iron core support 1 in cooperation with the elastic component, for example, as shown in fig. 5, a first spring 111 is disposed between the protrusion 11 and the upper end surface of the iron core support 1, where the iron core support 1 is provided with a limiting sliding slot along the axial direction of the motor shaft, and two sides of the protrusion 11 are provided with limiting protrusions cooperating with the limiting sliding slot, so that on one hand, the protrusion 11 can slide along the axial direction of the motor shaft relative to the iron core support 1, and on the other hand, the protrusion 11 can be prevented from falling off; for example, as shown in fig. 6, in order to further facilitate the installation of the protrusion 11 and the first spring 111, the iron core support 1 is provided with a spring installation hole 110 penetrating through the upper and lower end surfaces of the iron core support, a cover plate 112 fixedly connected to the lower end surface of the iron core support 1 through a screw 113 is arranged at the lower part of the spring installation hole 110, two ends of the first spring 111 respectively abut against the protrusion 11 and the cover plate 112, and the protrusion 11 and the iron core support 1 are provided with the above-mentioned limiting structure. Its work flow does, the initial moment, arch 11 is located the inside of spacing groove 30, the motor is in the locking state, when applying motor pivoted torsion, the inner wall extrusion arch 11 of spacing groove 30, make arch 11 slide downwards and extrude first spring 111 in the spacing spout of iron core support 1, arch 11 breaks away from spacing groove 30 this moment, the resilience force of first spring 111 drives arch 11 and slides to initial position along spacing spout, the motor is in the unblock state, exert motor pivoted torsion again, the outer wall extrusion arch 11 of spacing groove 30, arch 11 slides downwards and extrudes first spring 111 in the spacing spout of iron core support 1, arch 11 gets into spacing groove 30 this moment, the resilience force of first spring 111 drives arch 11 and tightly pushes up spacing groove 30 in the axial, the motor is in the locking state.

In terms of the specific structure and function of the second limiting protrusion 302, the second limiting protrusion 302 may also have the same structure as the first limiting protrusion 301, for example, in an embodiment that uses a slip ring wire to transmit an electrical signal, the motor may be locked or unlocked from two rotation directions; or the distance between the second limiting protrusion 302 and the core support 1 is smaller than the distance between the first limiting protrusion 301 and the core support 1, so as to achieve the effect of the second limiting protrusion 302 as a stopping portion in the above embodiment.

In the above embodiment, the specific fixing manner of the limiting groove 30 and the lock rod 3, the specific structure of the lock rod 3, the specific positions of the protrusion 11 and the lock rod 3, etc. may be replaced by other forms in other embodiments or practical applications, for example:

1. in terms of the specific fixing manner of the limiting groove 30 and the lock rod 3, the limiting groove 30 may also be opened on a block-shaped or plate-shaped structure, which is fixedly connected with the lock rod 3, so that after the lock rod 3 is installed, the limiting groove 30 is located at a height matched with the protrusion 11, and the specific installation manner is not listed here.

2. In the specific structural aspect of the lock rod 3, the lock rod 3 may also be an axial segment 31 only including the above embodiment, and is mounted to the inner wall of the motor housing 2 in a manner of fixed connection, and the limiting groove 30 is provided at the end of the lock rod 3, and only the size and shape of the lock rod 3 convenient for assembly are shown in the drawing, and it is described that the lock rod 3 may also be a block-shaped structure specifically, and is connected with the inner wall of the motor housing 2 or the upper end face of the iron core support 1 in an integrally formed manner, wherein the lock rod 3 includes a structure protruding the inner wall of the motor housing 2 or the upper end face of the iron core support 1, and the limiting groove 30 is provided on the structure.

3. In terms of the specific positions of the protrusion 11 and the lock rod 3, the protrusion 11 may also be fixedly disposed on the inner wall of the motor housing 2, and the lock rod 3 is fixedly disposed on the upper end surface of the iron core support 1.

In another embodiment, on the basis of the above embodiment, a gasket is arranged between the radial segment 32 and the motor housing 2; by reducing the shim or the thickness of the shim, the relative height of the limiting groove 30 and the protrusion 11 can be adjusted to compensate for wear of the locking structure caused by long-term use.

In another embodiment, on the basis of the above embodiment, in order to further facilitate assembly and processing without affecting the axial and radial dimensions of the motor, the protrusion 11 is integrally formed on the upper end surface of the core support 1 near the inside of the motor housing 2.

In another embodiment, on the basis of the above embodiment, in order to further facilitate the protrusion 11 to enter and exit the limiting groove 30, the protrusion 11 has a circular arc structure.

The utility model provides a pair of locking structure of stabilizer motor, its spare part is less, and the processing and the assembly of being convenient for can compensate the wearing and tearing of locking structure through the relative height of adjustment spacing groove 30 and arch 11, improve the stability of locking structure, and locking structure lays in the inside 1 upper portions of iron core support of motor simultaneously, does not influence the axial and the radial dimension of motor.

Claims (10)

1. A locking structure of a stabilizer motor, the stabilizer motor comprises a fixed part and a rotating part which rotate relatively, the fixed part comprises an iron core bracket (1), and the rotating part comprises a motor shell (2);

the locking structure is characterized by comprising a locking rod (3) and a protrusion (11), wherein a limiting groove (30) matched with the protrusion (11) along the rotation direction of a motor shaft is formed in the end part of the locking rod (3), and the limiting groove (30) and the protrusion (11) are arranged along the direction parallel to the axis of the motor shaft;

one of the lock rod (3) or the protrusion (11) is arranged on the upper end face of the iron core support (1), and the other is arranged in the motor shell (2).

2. The locking structure of the motor of the stabilizer in claim 1, wherein the locking rod (3) is made of elastic material, one end of the locking rod is fixedly connected with the motor housing (2), and the limiting groove (30) is located at the other end of the locking rod (3).

3. The locking structure of a stabilizer motor according to claim 1, characterized in that the locking rod (3) comprises an axial section (31) and a radial section (32) which are connected, the radial section (32) is fixedly connected with the motor housing (2), and the limiting groove (30) is located at the end of the axial section (31).

4. A locking arrangement of a stabilizer motor according to claim 3, characterized in that the radial segment (32) is fixedly connected with the motor housing (2) by means of bolts (33), and a gasket is arranged between the radial segment (32) and the motor housing (2).

5. A locking structure of a stabilizer motor according to claim 1, characterized in that said limit groove (30) comprises a first limit projection (301) and a second limit projection (302) cooperating with the projection (11), at least one of said first limit projection (301), said second limit projection (302) or said projection (11) being an elastic member.

6. The locking structure of a stabilizer motor according to claim 5, wherein the first limit projection (301) is an elastic member, and the second limit projection (302) is a stopper.

7. The locking structure of a stabilizer motor according to claim 1, wherein the locking structure further comprises an elastic member; the resilience force of the elastic piece is used for driving the limiting groove (30) to compress the protrusion (11).

8. The locking structure of the stabilizer motor according to claim 7, wherein the locking structure comprises a locking rod (3), the locking rod (3) comprises an axial section (31) and a radial section (32) which are connected, the radial section (32) is connected with the motor housing (2) through a bolt (33), two ends of the elastic part are respectively abutted to the lower end face of a nut of the bolt (33) and the upper end face of the radial section, and the limiting groove (30) is located at the end of the axial section (31).

9. The locking structure of a stabilizer motor according to claim 1, wherein the protrusion (11) is integrally formed on the upper end surface of the core holder (1) near the inside of the motor housing (2).

10. A locking structure of a stabilizer motor according to claim 1, characterized in that the protrusion (11) is of a circular arc structure.

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