CN108866851B

CN108866851B - Motor vibration damper of sewing machine

Info

Publication number: CN108866851B
Application number: CN201810701558.0A
Authority: CN
Inventors: 王连富
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-06-29
Filing date: 2018-06-29
Publication date: 2021-04-16
Anticipated expiration: 2038-06-29
Also published as: CN108866851A

Abstract

The invention discloses a vibration damper for a sewing machine motor, which has a simple structure, when the sewing machine is started, the motor body rotates at a high speed and starts to vibrate, the motor body drives a first rubber block and a contact block which is contacted with the first rubber block to vibrate together, the first rubber block deforms and can reduce part of vibration, a rubber pad on the contact block can reduce part of vibration, the contact block is inserted between two second rubber blocks through a connecting rod, so that the two second rubber blocks deform and can reduce vibration again, simultaneously, the first connecting block on the connecting rod is contacted with and pushes a second connecting block, the second connecting block drives a turntable to rotate, the turntable starts to rotate reversely under the action of a torsion spring at the same time, the vibration is reduced again, an elastic rope between the two connecting rods can also reduce vibration amplitude, and the vibration amplitude of the motor body is reduced through a series of measures, has strong practicability.

Description

Motor vibration damper of sewing machine

Technical Field

The invention relates to the field of sewing machines, in particular to a motor vibration damper of a sewing machine.

Background

Sewing machine is one of the indispensable instrument of textile industry, and most sewing machines on the existing market are at the during operation, and its inside motor rotates at a high speed, because do not take necessary damping measure, just can send very big noise, influences operational environment, and long-time vibration also can lead to sewing machine internal part not hard up simultaneously, leads to the sewing machine to damage, in order to avoid this type of phenomenon, we propose a sewing machine motor damping device.

Disclosure of Invention

The invention aims to provide a vibration damper for a sewing machine motor, which aims to solve the problems in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme:

a vibration damper for a sewing machine motor comprises a sewing machine, wherein a first rubber block is connected to the inner top wall of the sewing machine, the lower end of the first rubber block is connected with a motor body, two symmetrical abutting blocks are connected to the side walls of the two ends of the motor body in an abutting mode, connecting rods are connected to the side walls of the two abutting blocks, the two connecting rods penetrate through the side wall of the same motor supporting seat and extend into an inner cavity of the motor supporting seat, the motor supporting seat is connected to the inner side walls of the front end and the rear end of the sewing machine, the connecting rods abut against two symmetrical second rubber blocks, the two second rubber blocks are connected to the side wall of an installation cavity, a first connecting block is connected to the connecting rods, the first connecting block abuts against a second connecting block, the second connecting block is connected to a rotary table, and the rotary table is rotatably connected to the rear side wall of the installation cavity, and the pivot has cup jointed torsion spring, torsion spring's one end is connected on the carousel, torsion spring's the other end is connected on the preceding lateral wall of installation cavity, is located two of homonymy the one end that the connecting rod is relative links together through the elasticity rope, and the fixed pulley is walked around to the centre of elasticity rope, the fixed pulley passes through the stock and rotates to be connected on the lateral wall of installation cavity.

Preferably, the end of the abutting block close to the motor body is connected with a rubber pad.

Preferably, one end of the connecting rod, which is close to the second rubber block, is arc-shaped.

Preferably, the lower end of the sewing machine is connected with a non-slip mat.

Compared with the prior art, the invention has the beneficial effects that: the vibration damper for the sewing machine motor has a simple structure, when the sewing machine is started, the motor body rotates at a high speed and starts to vibrate, the motor body drives the first rubber block and the abutting block which abuts against the first rubber block to vibrate together, the first rubber block deforms to reduce part of vibration, the rubber pad on the abutting block can reduce part of vibration, the abutting block is inserted between the two second rubber blocks through the connecting rod to deform the two second rubber blocks, and vibration can be reduced again, meanwhile, the first connecting block on the connecting rod is abutted against and pushes the second connecting block, the second connecting block drives the turntable to rotate, meanwhile, the turntable starts to rotate reversely under the action of the torsion spring, the vibration is reduced again, the elastic rope between the two connecting rods can also reduce the vibration amplitude, the vibration amplitude of the motor body is reduced through a series of measures, and the motor has strong practicability.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the structure A-A.

In the figure: sewing machine 1, first block rubber 2, motor body 3, conflict piece 4, connecting rod 5, motor supporting seat 6, second block rubber 7, first connecting block 8, second connecting block 9, carousel 10, torsion spring 11, elasticity rope 12.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution:

a vibration damper for a sewing machine motor comprises a sewing machine 1, wherein the lower end of the sewing machine 1 is connected with a non-slip mat, the inner top wall of the sewing machine 1 is connected with a first rubber block 2, the lower end of the first rubber block 2 is connected with a motor body 3, two symmetrical abutting blocks 4 are respectively connected on the side walls of the two ends of the motor body 3 in an abutting mode, one end, close to the motor body 3, of each abutting block 4 is connected with a rubber mat which can reduce vibration, the side walls of the two abutting blocks 4 are respectively connected with a connecting rod 5, the two connecting rods 5 penetrate through the side wall of the same motor supporting seat 6 and extend into the inner cavity of the motor supporting seat 6, the motor supporting seat 6 is connected on the inner side walls of the front end and the rear end of the sewing machine 1, the connecting rods 5 abut against two symmetrical second rubber blocks 7, one end, close to the second rubber blocks 7, of each connecting rod 5 is in, be connected with first connecting block 8 on connecting

rod

5, 8 conflict second connecting blocks 9 of first connecting block, second connecting blocks 9 are connected on carousel 10, carousel 10 rotates through the pivot and connects on the rear side wall of installation cavity, and cup jointed torque spring 11 in the pivot, torque spring 11's one end is connected on carousel 10, torque spring 11's the other end is connected on the preceding lateral wall of installation cavity, the one end that is located two connecting rod 5 facies of homonymy links together through elasticity rope 12, and the fixed pulley is walked around in the centre of elasticity rope 12, the fixed pulley passes through the stock and rotates to be connected on the lateral wall of installation cavity.

The working principle is as follows: when the sewing machine 1 is started, the motor body 3 rotates at a high speed and starts to vibrate, at the moment, the motor body 3 drives the first rubber block 2 and the conflicting block 4 to vibrate together, the first rubber block 2 deforms to reduce part of vibration, the rubber pad on the conflicting block 4 reduces part of vibration, the conflicting block 4 is inserted between the two second rubber blocks 7 through the connecting rod 5, so that the two second rubber blocks 7 deform to reduce vibration again, meanwhile, the first connecting block 8 on the connecting rod 5 pushes against and pushes the second connecting block 9, the second connecting block 9 drives the rotating disc 10 to rotate, meanwhile, the rotary table 10 starts to rotate reversely under the action of the torsion spring 11, the vibration is reduced again, the elastic rope 12 between the two connecting rods 5 can also reduce the vibration amplitude, the vibration amplitude of the motor body 3 is reduced through a series of measures, and the practicability is high.

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. A sewing machine motor damping device, includes sewing machine (1), its characterized in that: the inner top wall of the sewing machine (1) is connected with a first rubber block (2), the lower end of the first rubber block (2) is connected with a motor body (3), the side walls of the two ends of the motor body (3) are respectively connected with two symmetrical touch blocks (4) in an abutting mode, the side walls of the two touch blocks (4) are respectively connected with a connecting rod (5), the two connecting rods (5) penetrate through the side wall of the same motor supporting seat (6) and extend into the inner cavity of the motor supporting seat (6), the motor supporting seat (6) is connected onto the inner side wall of the front end and the rear end of the sewing machine (1), the connecting rod (5) abuts against two symmetrical second rubber blocks (7), the two second rubber blocks (7) are connected onto the side wall of the mounting cavity, the connecting rod (5) is connected with a first connecting block (8), the first connecting block (8) abuts against a second connecting block (9), second connecting block (9) are connected on carousel (10), carousel (10) rotate through the pivot and connect on the rear side wall of installation cavity, and has cup jointed torque spring (11) in the pivot, the one end of torque spring (11) is connected on carousel (10), the other end of torque spring (11) is connected on the preceding lateral wall of installation cavity, is located two of homonymy connecting rod (5) relative one end links together through elasticity rope (12), and walks around the fixed pulley in the centre of elasticity rope (12), the fixed pulley rotates through the stock and connects on the lateral wall of installation cavity.

2. A sewing machine motor damping device according to claim 1, characterised in that: one end of the contact block (4) close to the motor body (3) is connected with a rubber pad.

3. A sewing machine motor damping device according to claim 1, characterised in that: one end of the connecting rod (5) close to the second rubber block (7) is arc-shaped.

4. A sewing machine motor damping device according to claim 1, characterised in that: the lower end of the sewing machine (1) is connected with a non-slip mat.