CN220857806U - Vibration motor with adjustable vibration amplitude - Google Patents

Abstract

The utility model discloses an adjustable amplitude vibration motor, comprising: the device comprises a main shell, a transduction component and an adjusting component, wherein a driving motor is fixedly arranged at one end of the main shell, a swash plate is movably arranged at the inner side of the main shell, the transduction component comprises a key shaft rod, a disc abutting part, vibrators and springs, the springs are sleeved on the outer side of the key shaft rod, two ends of the springs are fixedly connected with the inner side of the main shell and one side of the disc abutting part respectively, the vibrators are located on the outer side of the main shell, one end of each vibrator is rotatably connected with the surface of the disc abutting part, and the disc abutting part comprises a sliding sleeve disc and a rod fixedly arranged on the surface of the sliding sleeve disc. According to the utility model, the novel sloping cam plate type transduction structure is arranged, and the abutting plate piece coaxially arranged with the driving motor is utilized to slide back and forth on the surface of the key shaft lever in the driving rotation of the driving motor, so that the vibrator is driven to perform high-frequency vibration output.

Description

Vibration motor with adjustable vibration amplitude

Technical Field

The utility model relates to the technical field of vibration motors, in particular to a vibration motor with adjustable vibration amplitude.

Background

At present, most of vibration devices used by existing vibration motors are fixed or adjustable in eccentricity, and the adjustment range is small, so that the amplitude of the vibration motor is fixed or weak in adjustment capability. When the vibration amplitude is adjusted, the adjustable eccentric blocks connected with the two ends of the output shaft of the vibration motor are adjusted to the same eccentric distance in the same direction, the eccentric vibration mode is used for transduction by using eccentric inertia, the motor structure is greatly damaged, and when the eccentric distance is increased, the damage to the motor is larger, and the service life is shortened. In view of the above, the present invention has been made in view of the above problems, and it is an object of the present invention to provide an adjustable-amplitude vibration motor that solves the problems and improves the practical value.

Disclosure of utility model

The present utility model aims to solve one of the technical problems existing in the prior art or related technologies.

The technical scheme adopted by the utility model is as follows: an adjustable amplitude vibration motor comprising: the device comprises a main shell, a transduction component and an adjusting component, wherein a driving motor is fixedly arranged at one end of the main shell, a swash plate is movably arranged at the inner side of the main shell, the transduction component comprises a key shaft rod, a disc abutting component, vibrators and springs, the springs are sleeved on the outer side of the key shaft rod and are fixedly connected with the inner side of the main shell and one side of the disc abutting component respectively, the vibrators are located on the outer side of the main shell and are rotatably connected with the surface of the disc abutting component, the disc abutting component comprises a sliding sleeve disc and a supporting rod fixed on the surface of the sliding sleeve disc, balls in sliding abutting connection with the surface of the swash plate are arranged at the end of the supporting rod, the surface of the key shaft rod is provided with splines, the sliding sleeve disc is sleeved on the surface of the splines in a sliding mode, the adjusting component comprises a driving rod and a connecting rod, and the surface of the swash plate is provided with a linkage lug, and the connecting end of the connecting rod is respectively connected with the output end of the driving rod and the surface of the linkage lug in a movable mode.

The present utility model may be further configured in a preferred example to: the key shaft rod, the abutting disc piece, the vibrator and the spring are located on the same axis with the main shell, and a through hole for the key shaft rod to penetrate is formed in the surface of the sloping cam plate and is sleeved on the periphery of the key shaft rod.

The present utility model may be further configured in a preferred example to: the supporting rod is arranged deviating from the circle center of the sliding sleeve disc, and the surfaces of the balls and the sloping cam plate are subjected to hardening treatment.

The present utility model may be further configured in a preferred example to: the two sides of the sloping cam plate are fixedly provided with shaft pins which are rotatably sleeved on the surface of the main shell, and the shaft pins are arranged in the direction perpendicular to the surface of the key shaft lever.

The present utility model may be further configured in a preferred example to: the driving rod is one of an electric push rod and a linear actuator, and is fixedly arranged on one side of the main shell.

The present utility model may be further configured in a preferred example to: the surface of sliding sleeve dish is equipped with the sliding ring that is used for being connected with the oscillator, the oscillator rotates the cover and connects in the surface of sliding ring.

The present utility model may be further configured in a preferred example to: the bottom fixed mounting of spring has plane bearing, plane bearing and the surface sliding butt of sliding sleeve dish.

The beneficial effects obtained by the utility model are as follows:

1. According to the utility model, the novel sloping cam plate type transduction structure is arranged, and the abutting plate piece coaxially arranged with the driving motor is utilized to slide back and forth on the surface of the key shaft lever in the driving rotation of the driving motor, so that the vibrator is driven to perform high-frequency vibration output.

2. According to the utility model, the inclination angle of the swash plate is adjusted by utilizing the adjusting component, and the movement amplitude of the abutting plate piece and the vibrator is changed, so that the vibration amplitude adjustment of the vibrator is realized, the structure is simple, and the practicability is high.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present utility model;

FIG. 2 is a schematic diagram of the internal structure of an embodiment of the present utility model;

FIG. 3 is an exploded view of a transducer assembly according to one embodiment of the present utility model;

FIG. 4 is a schematic cross-sectional view of a main housing according to an embodiment of the present utility model;

Fig. 5 is a schematic view of a swash plate and a disc abutment according to an embodiment of the utility model.

Reference numerals:

100. a main housing; 110. a driving motor; 120. a swash plate; 121. a shaft pin; 122. a linkage lug;

200. A transducer assembly; 210. a key shaft lever; 220. a disc abutting piece; 230. a vibrator; 240. a spring; 211. a spline; 221. a sliding sleeve disc; 222. a supporting rod; 223. a ball;

300. an adjustment assembly; 310. a driving rod; 320. and a connecting rod.

Detailed Description

The objects, technical solutions and advantages of the present utility model will become more apparent by the following detailed description of the present utility model with reference to the accompanying drawings. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.

An adjustable amplitude vibration motor provided by some embodiments of the present utility model is described below with reference to the accompanying drawings.

Referring to fig. 1 to 5, the present utility model provides an adjustable amplitude vibration motor, comprising: the energy conversion device comprises a main shell 100, an energy conversion assembly 200 and an adjusting assembly 300, wherein a driving motor 110 is fixedly arranged at one end of the main shell 100, a swash plate 120 is movably arranged at the inner side of the main shell 100, the energy conversion assembly 200 comprises a key shaft rod 210, a disc abutting piece 220, a vibrator 230 and a spring 240, the spring 240 is sleeved on the outer side of the key shaft rod 210, two ends of the spring 240 are respectively fixedly connected with the inner side of the main shell 100 and one side of the disc abutting piece 220, the vibrator 230 is positioned on the outer side of the main shell 100, one end of the vibrator is rotatably connected with the surface of the disc abutting piece 220, the disc abutting piece 220 comprises a sliding sleeve disc 221 and a rod abutting 222 fixed on the surface of the sliding sleeve disc 221, a ball 223 in sliding abutting connection with the surface of the swash plate 120 is arranged at the end of the rod abutting piece 222, a spline 211 is arranged on the surface of the key shaft rod 210, the sliding sleeve disc 221 is sleeved on the surface of the spline 211 in a sliding mode, the adjusting assembly 300 comprises a driving rod 310 and a connecting rod 320, the surface of the swash plate 120 is provided with a connecting lug 122, and the connecting end of the connecting rod 320 is respectively movably connected with the output end of the driving rod 310 and the surface of the connecting lug 122.

In this embodiment, the key shaft 210, the abutting piece 220, the vibrator 230 and the spring 240 are located on the same axis as the main housing 100, and the surface of the swash plate 120 is provided with a through hole for the key shaft 210 to penetrate and is sleeved on the outer circumference of the key shaft 210.

In this embodiment, the abutment lever 222 is disposed offset from the center of the slide sleeve plate 221, and the surfaces of the balls 223 and the swash plate 120 are hardened.

In this embodiment, the shaft pins 121 are fixedly installed at both sides of the swash plate 120, the shaft pins 121 are rotatably coupled to the surface of the main housing 100, and the shaft pins 121 are arranged perpendicular to the surface direction of the key shaft lever 210.

Specifically, the pivot pin 121 serves as a pivot point for the tilting motion of the swash plate 120, and rotates under the traction of the link 320.

In this embodiment, the driving lever 310 is one of an electric push rod and a linear actuator, and the driving lever 310 is fixedly installed at one side of the main housing 100.

Specifically, the swash plate 120 is actively driven and controlled to deflect by the driving lever 310, and the angular locking of the swash plate 120 is performed.

In this embodiment, the surface of the sliding sleeve disc 221 is provided with a sliding ring for connecting with the vibrator 230, and the vibrator 230 is rotatably sleeved on the surface of the sliding ring.

Specifically, through the rotational connection of the vibrator 230 and the abutment 220, the vibrator 230 is rotationally locked to follow only the abutment 220 for linear movement during the rotational movement of the abutment 220.

In this embodiment, a planar bearing is fixedly mounted to the bottom end of the spring 240, and slidably abuts against the surface of the slide sleeve disc 221.

Specifically, during rotation of the abutment member 220, the sliding sleeve plate 221 is isolated from direct contact with the surface of the spring 240 by a planar bearing, so that the friction of the movement of the abutment member 220 is reduced.

The working principle and the using flow of the utility model are as follows:

The vibration motor is used for connecting with a working part through a vibrator 230, the key shaft lever 210 and the abutting piece 220 are driven by the driving motor 110 to rotate, the end head of the abutting rod 222 is always in sliding contact with the surface of the sloping cam plate 120 under the pushing of the spring 240, the sloping cam plate 120 enables the abutting piece 220 to have the sliding movement quantity parallel to the surface of the key shaft lever 210 in rotation, so that the vibrator 230 is synchronously moved through the sleeving connection of the end head of the vibrator 230 and the surface of the abutting piece 220, and the vibrator 230 does not rotate under the guiding of the main shell 100; when the vibration amplitude is adjusted, the driving rod 310 is only required to drive the traction connecting rod 320 to move, the swashplate 120 deflects along the shaft pin 121, and the adjustment of the tilting amplitude of the swashplate 120 can realize the adjustment of the movement amplitude of the disc abutting piece 220 and the vibrator 230.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.

Claims (7)

1. An adjustable amplitude vibration motor, comprising: the main casing (100), transduction subassembly (200) and adjustment subassembly (300), the one end fixed mounting of main casing (100) has driving motor (110), the inboard movable mounting of main casing (100) has sloping cam plate (120), transduction subassembly (200) include key axostylus axostyle (210), support dish spare (220), oscillator (230) and spring (240), spring (240) cup joint in the outside of key axostylus axostyle (210) and both ends respectively with the inboard of main casing (100) and one side fixed connection of support dish spare (220), oscillator (230) are located the outside of main casing (100) and one end is connected with the surface rotation of support dish spare (220), support dish spare (220) include sliding sleeve dish (221) and be fixed in supporting rod (222) on sliding sleeve dish (221) surface, the tip of supporting rod (222) is equipped with ball (223) with sliding butt on sliding surface of sliding dish (120), spline (211) have been seted up on the surface of key axostylus axostyle (210), sliding sleeve dish (221) cup joint in the surface of spline (211), adjustment subassembly (300) and one side fixed connection, the surface of driving rod (310) and sloping cam plate (220) are equipped with interlock (122), the connecting end of the connecting rod (320) is respectively and movably connected with the output end of the driving rod (310) and the surface of the linkage lug (122).

2. The vibration motor of claim 1, wherein the key shaft (210), the abutting member (220), the vibrator (230) and the spring (240) are located on the same axis as the main housing (100), and the surface of the swash plate (120) is provided with a through hole for the key shaft (210) to penetrate and is sleeved on the outer circumference of the key shaft (210).

3. The vibration motor of claim 1, wherein the support rod (222) is arranged to deviate from the center of the sliding sleeve disc (221), and the surfaces of the balls (223) and the swash plate (120) are hardened.

4. The vibration motor of claim 1, wherein the two sides of the swash plate (120) are fixedly provided with shaft pins (121), the shaft pins (121) are rotatably sleeved on the surface of the main housing (100), and the shaft pins (121) are arranged in a direction perpendicular to the surface of the key shaft lever (210).

5. The adjustable amplitude vibration motor of claim 1, wherein the driving rod (310) is one of an electric push rod and a linear actuator, and the driving rod (310) is fixedly mounted on one side of the main housing (100).

6. The vibration motor with adjustable vibration amplitude according to claim 1, wherein a slip ring for connecting with a vibrator (230) is arranged on the surface of the sliding sleeve disc (221), and the vibrator (230) is rotatably sleeved on the surface of the slip ring.

7. The vibration motor with adjustable vibration amplitude according to claim 1, wherein a planar bearing is fixedly arranged at the bottom end of the spring (240), and the planar bearing is in sliding abutting connection with the surface of the sliding sleeve disc (221).