Eccentric block structure of vibration motor

Abstract

The utility model discloses an eccentric block structure of a vibration motor. The eccentric block structure comprises an eccentric block body and a stabilizing assembly, the stabilizing assembly comprises a pressing arm connected with one end of the eccentric block body, a sliding groove formed in the pressing arm and a pressing plate movably installed in the sliding groove. According to the eccentric block structure of the vibration motor, the pressing plate installed at the upper end of the locking screw in the pressing arm on the eccentric block body can be blocked by the check block on the outer side of the pressing plate and the clamping block clamped in the clamping groove in the pressing plate in the check block, so that mutual clamping and locking between the check block on the eccentric block body and the pressing plate can be completed; further, the stability of the pressing plate at the upper end of the locking screw is guaranteed, the situation that the stability of the eccentric block body is affected by loosening of the locking screw on the eccentric block body in the operation process of the eccentric block body at the two ends of the vibration motor is avoided, and then the stability of the eccentric block body after installation is improved; therefore, the stability and the pressing strength of the pressing plate are enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to vibration motor technical field, concretely is a kind of eccentric block structure of vibration motor. BACKGROUND

[0002] Vibration motor eccentric block is a key component in vibration motor, vibration motor eccentric block refers to the mass block installed on the rotor shaft of vibration motor, it is usually composed of the center of gravity of circular or oval metal block not in, its main function is to generate vibration, and the unbalanced inertia force when rotating is converted into reciprocating motion, to realize vibration effect.

[0003] The existing vibration motor eccentric block, such as the eccentric block structure of symmetrical vibration motor disclosed in publication No. CN221509316U, although it is not prone to misalignment and effectively avoids the imbalance at both ends, but this vibration motor eccentric block is fixed on the upper end of the rotating shaft at both ends of the vibration motor by locking screws, and the ends of the locking screws are inconvenient to protect, which may affect the stability of the eccentric block after the locking screws are loosened during the rotation of the eccentric block, therefore, we propose a vibration motor eccentric block structure. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving one of the technical problems existing in prior art or related art.

[0005] Therefore, the technical scheme adopted by the utility model is as follows:

[0006] A vibration motor eccentric block structure, comprising: an eccentric block body and a stabilizing assembly; the stabilizing assembly comprises a pressing arm connected to one end of the eccentric block body, a sliding groove formed in the pressing arm, a pressing plate movably installed in the sliding groove, a clamping groove formed in one side of the pressing plate, a restraint cavity formed in one side of the eccentric block body, a stop block movably installed in the upper part of the restraint cavity, an installation cavity formed in the upper part of the stop block, a clamping block movably installed in the installation cavity, and a first spring movably installed on one side of the clamping block.

[0007] Preferably, a mounting hole and a threaded hole are respectively formed in the pressing arm and the eccentric block body, and a locking screw is movably installed in the mounting hole and the threaded hole.

[0008] Preferably, a second spring is further fixedly installed on the bottom of the stop block, and the bottom end of the second spring is fixed to the bottom of the restraint cavity.

[0009] Preferably, a through hole is further formed in the outer side of the bottom of the restraint cavity.

[0010] Preferably, a circular hole is further formed in the clamping block on one side of the installation cavity, a pull rod is further fixedly connected to the rear end of the clamping block, the pull rod is located in the first spring and the inner end of the circular hole, and a push plate is further fixedly installed on the outer end of the pull rod.

[0011] Preferably, the two sides of the chute are also fixedly provided with reinforcing rods, and the two sides of the pressing plate are also provided with connecting holes penetratingly formed and matched with the reinforcing rods.

[0012] Preferably, the clamping block is movably matched in the clamping groove.

[0013] By adopting the above technical scheme, the utility model has the beneficial effects of:

[0014] 1. In the utility model, the pressing plate installed on the upper end of the locking screw in the eccentric block body can be blocked by the outer block, and the clamping block in the block groove of the pressing plate can be clamped, so that the mutual clamping and locking between the block and the pressing plate on the eccentric block body can be completed, the stability of the pressing plate on the upper end of the locking screw can be ensured, the loosening of the locking screw on the eccentric block body during the operation of the vibration motor can be avoided, the stability of the eccentric block body can be ensured, and the stability of the eccentric block body after installation can be improved.

[0015] 2. In the utility model, the reinforcing rods installed on the two sides of the chute in the pressing arm can also be installed on the two ends of the pressing plate, so that the stability and pressing strength of the pressing plate can be improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole structure diagram of the utility model;

[0017] Figure 2 It is a disassembling diagram of the pressing plate of the utility model;

[0018] Figure 3 It is a side sectional view of the utility model;

[0019] Figure 4 It is an enlarged view of A in the utility model. Figure 3

[0020] Reference signs:

[0021] 100, eccentric block body;

[0022] 200, stable assembly; 201, pressing arm; 202, chute; 203, pressing plate; 204, clamping groove; 205, binding cavity; 206, block; 207, mounting cavity; 208, clamping block; 209, first spring; 210, mounting hole; 211, threaded hole; 212, locking screw; 213, second spring; 214, through hole; 215, round hole; 216, pull rod; 217, push plate; 218, reinforcing rod; 219, connecting hole. DETAILED DESCRIPTION

[0023] ​In order to make the purpose, technical scheme and advantages of the utility model more clear and apparent, the utility model is further explained in detail below in combination with specific implementation manners and in reference to the drawings. It should be noted that the embodiments of the utility model and the features in the embodiments can be combined with each other without conflict.

[0024] Some embodiments of the utility model provide a vibrating motor eccentric block structure which is described below in combination with the drawings. Embodiment one

[0025] In combination with Figures 1-4 the drawings, the utility model provides a vibrating motor eccentric block structure which comprises an eccentric block body 100 and a stabilizing assembly 200. The stabilizing assembly 200 comprises a pressing arm 201 connected to one end of the eccentric block body 100, a sliding groove 202 formed in the pressing arm 201, a pressing plate 203 movably installed in the sliding groove 202, a clamping groove 204 formed in one side of the pressing plate 203, a restraint cavity 205 formed in one side of the eccentric block body 100, a stop block 206 movably installed in the upper part of the restraint cavity 205, an installation cavity 207 formed in the upper part of the stop block 206, a clamping block 208 movably installed in the installation cavity 207, a first spring 209 movably installed on one side of the clamping block 208, an installation hole 210 and a threaded hole 211 respectively formed in the pressing arm 201 and the eccentric block body 100, a locking screw 212 movably installed in the installation hole 210 and the threaded hole 211, a second spring 213 fixedly installed on the bottom of the stop block 206 and fixed to the bottom of the restraint cavity 205, a through hole 214 formed in the outer side of the bottom of the restraint cavity 205, a circular hole 215 formed in the clamping block 208 on one side of the installation cavity 207, a pull rod 216 fixedly connected to the rear end of the clamping block 208 and located in the first spring 209 and the inner end of the circular hole 215, a push plate 217 fixedly installed on the outer end of the pull rod 216, a reinforcing rod 218 fixedly installed on both sides of the sliding groove 202, a connecting hole 219 formed in both sides of the pressing plate 203 and matched with the reinforcing rod 218, and the clamping block 208 movably and matchingly installed in the clamping groove 204.

[0026] Specific, the eccentric block of the vibration motor refers to the mass block installed on the rotor shaft of the vibration motor, which is usually composed of a circular or elliptical metal block with its center of gravity not in the center, and its main function is to generate vibration; the pressing plate 203 installed on the upper end of the locking screw 212 in the pressing arm 201 of the eccentric block body 100 can complete the mutual clamping and locking between the blocking block 206 and the pressing plate 203 on the eccentric block body 100 by blocking the outer blocking block 206 and the clamping block 208 in the clamping groove 204 in the pressing plate 203, thereby ensuring the stability of the pressing plate 203 on the upper end of the locking screw 212, and always blocking the upper end of the locking screw 212 to avoid the loosening of the locking screw 212 on the eccentric block body 100 during the operation of the two ends of the vibration motor, thereby improving the stability of the eccentric block body 100 after installation, and the reinforcing rods 218 installed on both sides of the sliding groove 202 in the pressing arm 201 can also be installed at both ends in the pressing plate 203, thereby enhancing the stability and pressing strength of the pressing plate 203, the second spring 213 at the bottom of the blocking block 206 in the installation cavity 207, mainly for the pressing adjustment of the blocking block 206, to block the outside of the pressing plate 203, the through hole 214 opened on the bottom outside of the installation cavity 207, mainly for the fixation of the second spring 213 at the bottom of the installation cavity 207, the first spring 209 installed at the rear end of the clamping block 208, mainly for pressing the clamping block 208 in the clamping groove 204, thereby locking and fixing the pressing plate 203 and the blocking block 206, the push plate 217 installed at the rear end of the pull rod 216, mainly for the pulling adjustment of the clamping block 208 at the front end, so as to be matched and installed in the clamping groove 204.

[0027] The working principle and use process of the utility model are as follows:

[0028] When the eccentric block body 100 is installed on the upper end of the rotating shaft at both ends of the vibration motor, the eccentric block body 100 is first sleeved to the outer end of the rotating shaft, and after the eccentric block body 100 is sleeved, the locking screw 212 is installed and locked into the mounting hole 210 and the threaded hole 211 between the pressing arm 201 and the eccentric block body 100, after the locking screw 212 is locked, the push plate 217 on one side of the stop block 206 is pulled outward, so that the push plate 217 pulls the clamping block 208 in the stop block 206 to retract into the installation cavity 207, and after the clamping block 208 is retracted into the installation cavity 207, the stop block 206 is pressed down, so that the stop block 206 moves downward, after the stop block 206 moves downward, the pressing plate 203 can be installed into the sliding groove 202 in the pressing arm 201, to be installed on the outer end of the reinforcing rod 218 above and on both sides of the locking screw 212, after the pressing plate 203 is installed, the stop block 206 is lifted, so that the stop block 206 moves back to block the outer end of the pressing plate 203, at this time, the push plate 217 pulled outward is loosened, so that the clamping block 208 in the installation cavity 207 is clamped into the clamping groove 204 on one side of the pressing plate 203 by the pressing of the first spring 209 at the rear end, and then the pressing plate 203 is installed and locked between the upper end of the locking screw 212 and the stop block 206 after the installation, to be fixed and blocked on the outer end of the locking screw 212 to avoid loosening of the locking screw 212, thereby improving the stability after the eccentric block body 100 is installed.

[0029] Although the embodiments of the present application have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the present application, and the scope of the present application is defined by the claims and their equivalents.

Claims

1. An eccentric block structure for a vibration motor, characterized in that, include: Eccentric block body (100), stabilizing component (200); The stabilizing component (200) includes a clamping arm (201) connected to one end of the eccentric block body (100), a groove (202) opened in the clamping arm (201), a pressing plate (203) movably installed in the groove (202), a slot (204) opened on one side of the pressing plate (203), a binding cavity (205) opened on one side of the eccentric block body (100), a stop block (206) movably installed in the upper part of the binding cavity (205), an installation cavity (207) opened in the upper part of the stop block (206), a locking block (208) movably installed in the installation cavity (207), and a first spring (209) movably installed on one side of the locking block (208).

2. The eccentric block structure of a vibration motor according to claim 1, characterized in that, The clamping arm (201) and the eccentric block body (100) are respectively provided with mounting holes (210) and threaded holes (211), and locking screws (212) are movably installed in the mounting holes (210) and threaded holes (211).

3. The eccentric block structure of a vibration motor according to claim 1, characterized in that, The bottom of the stop (206) is also fixedly installed with a second spring (213), and the bottom end of the second spring (213) is fixed to the bottom of the restraint cavity (205).

4. The eccentric block structure of a vibration motor according to claim 1, characterized in that, A through hole (214) is also provided on the outer side of the bottom of the binding cavity (205).

5. The eccentric block structure of a vibration motor according to claim 1, characterized in that, A circular hole (215) is also provided through the locking block (208) on one side of the mounting cavity (207). A pull rod (216) is fixedly connected to the rear end of the locking block (208), and the pull rod (216) is located inside the first spring (209) and the circular hole (215). A lever plate (217) is also fixedly installed at the outer end of the pull rod (216).

6. The eccentric block structure of a vibration motor according to claim 1, characterized in that, A reinforcing rod (218) is fixedly installed on both sides of the slide groove (202), and a connecting hole (219) is opened through both sides of the pressing plate (203), and the connecting hole (219) matches the reinforcing rod (218).

7. The eccentric block structure of a vibration motor according to claim 1, characterized in that, The card block (208) is actively matched and installed in the card slot (204).

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