Transmission arm transmission mechanism capable of sewing pattern stitches

Abstract

The utility model provides a transmission arm transmission mechanism capable of sewing pattern stitches, and relates to the technical field of sewing machine transmission arms, the transmission arm transmission mechanism comprises a transmission arm body, the top of the transmission arm body is provided with a magnetic butt-joint assembly, the magnetic butt-joint assembly comprises a butt-joint plate, a butt-joint groove, a butt-joint magnetic plate, a detachable shell, a butt-joint frame and a positioning magnetic plate, the butt-joint plate is installed at the top of the transmission arm body, the butt-joint groove is formed in the top of the butt-joint plate, the butt-joint magnetic plate is installed in the butt-joint groove, the dismounting shell is magnetically installed at the top of the butt-joint plate, the butt-joint frame is installed at the bottom of the dismounting shell, and the dismounting shell corresponds to the butt-joint groove. The positioning magnetic plate is installed at the bottom of the butt joint frame, and the positioning magnetic plate is connected with the butt joint magnetic plate. When the dismounting shell is dismounted, only the positioning head needs to be pushed out of the positioning groove, meanwhile, pulling force is applied to the dismounting shell upwards, and the dismounting shell can be dismounted, so that the dismounting shell is more convenient to dismount.

Description

TECHNICAL FIELD

[0001] The utility model relates to sewing machine transmission arm technical field, concretely is a transmission arm drive mechanism that can sew pattern stitch. BACKGROUND

[0002] Sewing machine is with one or more sewing line, on the seam material forms one or more stitches, makes one or more seam material interweaving or sew up the machine, through transmission arm transmission power, with the development of mechanical technology, under the action of transmission arm, not only can sew straight stitch but also can sew pattern stitch.

[0003] Chinese utility model patent authorization announcement No. CN217298247U discloses a sewing machine, which discloses "the utility model provides a sewing machine, the upper shaft and the lower shaft are driven through the conveyor belt, oil is not needed, and the action is stable, and the noise is reduced at the same time, and the upper shaft and the lower shaft are reversely rotated through the first driven wheel A and the first conveyor belt outer periphery bonding, the structure is simple, and the design is more reasonable".

[0004] However, the internal transmission mechanism of the sewing machine disclosed in the above-mentioned document is installed in the inside of the arm, and the arm is fixed by a plurality of bolts, which is not convenient to disassemble, so that the transmission mechanism is not convenient to maintain or clean.

[0005] Therefore, a transmission arm drive mechanism that can sew pattern stitch is proposed, which makes the transmission mechanism more convenient to maintain and clean. UTILITY MODEL CONTENTS

[0006] Therefore, the utility model provides a transmission arm drive mechanism that can sew pattern stitch to solve or alleviate the technical problems existing in the prior art, at least to provide a beneficial choice.

[0007] The technical scheme of the utility model is as follows: a transmission arm drive mechanism that can sew pattern stitch, comprising a transmission arm body, a magnetic docking assembly is installed on the top of the transmission arm body, the magnetic docking assembly comprises a docking plate, a docking groove, a docking magnetic plate, a disassembly shell, a docking frame and a positioning magnetic plate, the docking plate is installed on the top of the transmission arm body, the docking groove is opened in the top of the docking plate, the docking magnetic plate is installed in the inside of the docking groove, the disassembly shell is magnetically installed on the top of the docking plate, the docking frame is installed at the bottom of the disassembly shell, and the disassembly shell corresponds to the docking groove, the positioning magnetic plate is installed at the bottom of the docking frame, and the positioning magnetic plate is connected with the docking magnetic plate.

[0008] Preferably, a positioning groove is opened through the outside of the docking groove, installation grooves are symmetrically opened on the two sides of the docking frame, springs are installed in the installation grooves, positioning heads are installed at one end of the springs, and the positioning heads correspond to the positioning groove.

[0009] Preferably, the inside of the transmission arm body is provided with a noise reduction groove, the inside of the noise reduction groove is respectively provided with sound insulation cotton and sound absorption board, and a plurality of through holes are formed in the inner wall of the transmission arm body and penetrate the inside of the noise reduction groove.

[0010] Preferably, the transmission arm body is provided with a heat dissipation window on one side.

[0011] Preferably, the inside of the transmission arm body is provided with a partition plate, one side of the partition plate is provided with a driving motor, the output end of the driving motor is connected with a first transmission rod, one end of the first transmission rod is provided with a horn connecting piece, and one side of the horn connecting piece is provided with a second transmission rod.

[0012] Preferably, one end of the second transmission rod is provided with a stabilizing shaft, the outer side of the stabilizing shaft is movably provided with a stabilizing sleeve, and the outer side of the stabilizing sleeve is symmetrically provided with a connecting rod.

[0013] Preferably, one end of the stabilizing shaft is provided with a third transmission rod, one end of the third transmission rod is provided with a transmission shaft, and the top side of the transmission shaft is provided with a mounting column.

[0014] Preferably, the outer side of the mounting column is provided with a butt joint, the bottom side of the butt joint is connected with a movable connecting piece, and the inside of the movable connecting piece is provided with a vertical transmission rod.

[0015] The embodiment of the utility model has the following advantages due to the adoption of the above technical scheme:

[0016] 1. In the utility model, the disassembled shell is fixed on the top of the transmission arm body through the mutual magnetic attraction of the positioning magnetic plate and the butt joint magnetic plate, and when the butt joint is inserted, the positioning head moves to the inside of the mounting groove under pressure to compress the spring, and when the positioning head corresponds to the positioning groove, the positioning head is pushed into the inside of the positioning groove under the elastic force of the spring, so that the disassembled shell is further fixed, and when the disassembled shell is disassembled, the disassembled shell can be disassembled only by pushing the positioning head out of the positioning groove and applying a pulling force to the disassembled shell upwards, so that the disassembled shell is disassembled more conveniently, and the internal transmission mechanism can be conveniently maintained and cleaned by the staff.

[0017] 2. In the utility model, the transmission mechanism and the driving motor generate a large noise when used in the inside of the transmission arm body, in order to weaken the generated noise, the noise reduction groove is formed in the inside, the sound insulation cotton and the sound absorption board in the inside of the noise reduction groove can absorb and block the generated noise, the noise is reduced to the outside, the noise enters the inside of the noise reduction groove through the through hole, so that the influence of the large noise generated by the use of the transmission mechanism on the working environment is avoided.

[0018] The above summary is intended to illustrate the application and is not intended to be limiting thereof. Further aspects, embodiments and features of the application will be apparent from the detailed description that follows, taken in conjunction with the accompanying drawings and the description of the state of the art. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a perspective view of the present application;

[0020] Figure 2 It is a schematic view of the dismounting shell structure of the present application;

[0021] Figure 3 It is a schematic view of the transmission arm body of the present application; Figure 2 It is a schematic view of the structure at A;

[0022] Figure 4 It is a schematic view of the transmission arm body of the present application;

[0023] Figure 5 It is a schematic view of the first transmission rod structure of the present application;

[0024] Figure 6 It is a schematic view of the butt joint structure of the present application.

[0025] In the figure: 1, transmission arm body; 2, heat dissipation window; 3, butt joint plate; 4, butt joint groove; 5, butt joint magnetic plate; 6, noise reduction groove; 7, soundproof cotton; 8, sound absorbing board; 9, through hole; 10, partition plate; 11, driving motor; 12, first transmission rod; 13, horn connecting piece; 14, second transmission rod; 15, stabilizing shaft; 16, stabilizing sleeve; 17, connecting rod; 18, third transmission rod; 19, transmission shaft; 20, mounting column; 21, butt joint; 22, movable connecting piece; 23, vertical transmission rod; 24, dismounting shell; 25, butt joint frame; 26, positioning magnetic plate; 27, mounting groove; 28, spring; 29, positioning head; 30, positioning groove. DETAILED DESCRIPTION

[0026] In the following, only certain example embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the present application. Therefore, the drawings and the description are considered to be essentially exemplary rather than limiting.

[0027] The embodiments of the present application are described in detail below with reference to the accompanying drawings.

[0028] As shown in Figure 1 , Figure 2 and Figure 3 , the present application provides a transmission arm transmission mechanism capable of sewing pattern stitches.

[0029] Including transmission arm body 1 and magnetic docking assembly, the top of transmission arm body 1 is provided with magnetic docking assembly, and the magnetic docking assembly includes docking plate 3, docking slot 4, docking magnetic plate 5, dismounting shell 24, docking frame 25 and positioning magnetic plate 26, the docking plate 3 is installed on the top of transmission arm body 1, the docking slot 4 is opened in the top of docking plate 3, the docking magnetic plate 5 is installed inside the docking slot 4, the dismounting shell 24 is magnetically installed on the top of docking plate 3, the docking frame 25 is installed on the bottom of dismounting shell 24, and the dismounting shell 24 corresponds to the docking slot 4, the positioning magnetic plate 26 is installed on the bottom of docking frame 25, and the positioning magnetic plate 26 is connected with the docking magnetic plate 5, the outside of docking slot 4 is provided with positioning slot 30, and the both sides of docking frame 25 are provided with installation slot 27, the inside of installation slot 27 is provided with spring 28, one end of spring 28 is provided with positioning head 29, and the positioning head 29 corresponds to the positioning slot 30;

[0030] Transmission arm body 1 provides installation position for internal transmission mechanism, and the dismounting shell 24 for closing on the top of transmission arm body 1 is connected by magnetic docking assembly, when the dismounting shell 24 is installed, the docking frame 25 on the bottom is inserted into the inside of docking slot 4, the dismounting shell 24 is fixed on the top of transmission arm body 1 by the mutual magnetic attraction of positioning magnetic plate 26 and docking magnetic plate 5, when the docking frame 25 is inserted, the positioning head 29 moves to the inside of installation slot 27 under pressure to make spring 28 compressed, when the positioning head 29 corresponds to the positioning slot 30, the positioning head 29 is pushed into the inside of positioning slot 30 under the elastic force of spring 28, so that the dismounting shell 24 is further fixed, when the dismounting shell 24 is dismounted, only the positioning head 29 is pushed out of the positioning slot 30, and the dismounting shell 24 is dismounted by applying pulling force to the dismounting shell 24 upwards, so that the dismounting shell 24 is dismounted more conveniently, and the internal transmission mechanism is maintained and cleaned by staff.

[0031] As shown in Figure 1 , Figure 4 , Figure 5 And Figure 6 The utility model embodiment provides a transmission arm transmission mechanism that can sew pattern stitches,

[0032] The inside of the transmission arm body 1 is provided with a noise reduction groove 6, the inside of the noise reduction groove 6 is respectively provided with sound insulation cotton 7 and sound absorption board 8, a plurality of through holes 9 are formed in the inner wall of the transmission arm body 1 and penetrate the inside of the noise reduction groove 6, a heat dissipation window 2 is penetratingly installed on one side of the transmission arm body 1, a partition plate 10 is installed in the inside of the transmission arm body 1, the drive motor 11 is installed on one side of the partition plate 10, the output end of the drive motor 11 is connected with a first transmission rod 12, one end of the first transmission rod 12 is provided with a horn connecting piece 13, one side of the horn connecting piece 13 is provided with a second transmission rod 14, one end of the second transmission rod 14 is provided with a stabilizing shaft 15, the stabilizing shaft 15 is movably installed on the outside of a stabilizing sleeve 16, the stabilizing sleeve 16 is symmetrically installed on the outside of a connecting rod 17, one end of the stabilizing shaft 15 is provided with a third transmission rod 18, one end of the third transmission rod 18 is provided with a transmission shaft 19, the top side of the transmission shaft 19 is provided with a mounting column 20, the outside of the mounting column 20 is provided with a butt joint 21, the bottom side of the butt joint 21 is connected with a movable connecting piece 22, the inside of the movable connecting piece 22 is provided with a vertical transmission rod 23.

[0033] The transmission mechanism and the drive motor 11 will have a large noise when used in the inside of the transmission arm body 1, in order to weaken the generated noise, the noise reduction groove 6 is formed in the inside, the sound insulation cotton 7 and the sound absorption board 8 in the inside of the noise reduction groove 6 will absorb and block the generated noise, reduce the noise propagation to the outside, the noise enters the inside of the noise reduction groove 6 through the through hole 9, thereby avoiding the large noise generated by the transmission mechanism from affecting the working environment when used, the partition plate 10 provides a position for the installation of the drive motor 11, the drive motor 11 will convert the electric energy into kinetic energy after being powered on, thereby driving the output end first transmission rod 12 to rotate, the first transmission rod 12 drives the horn connecting piece 13 to rotate, the horn connecting piece 13 is connected with other transmission structures on the sewing machine, the horn connecting piece 13 also drives the connected second transmission rod 14 to rotate, in order to ensure the stability of the transmission mechanism, the stabilizing shaft 15 is installed at one end of the second transmission rod 14, the stabilizing shaft 15 is limited by the stabilizing sleeve 16 connected on the outside, thereby making the stabilizing shaft 15 rotate more stably, and thereby making the whole transmission mechanism rotate more stably, the stabilizing sleeve 16 is fixedly installed by being connected with the inside of the transmission arm body 1 through the connecting rod 17, the third transmission rod 18 drives the transmission shaft 19 to rotate, since the mounting column 20 installed at one end of the transmission shaft 19 is in an eccentric position, when the mounting column 20 drives the butt joint 21 to move, the movable connecting piece 22 movably installed on one side of the butt joint 21 moves up and down reciprocatingly, thereby driving the vertical transmission rod 23 to transmit up and down.

[0034] The utility model discloses a transmission mechanism is installed on the sewing machine through transmission arm body 1 in working time, is driven transmission mechanism transmission through drive motor 11 in use, makes the sewing machine can carry out sewing work, and in order to make inside transmission mechanism convenient to maintain, transmission arm body 1 top is equipped with the dismounting shell 24, because the dismounting shell 24 is installed stably through the positioning of magnetic docking assembly and locating head 29, makes the dismounting shell 24 also more convenient when dismounting, the noise of transmission mechanism use produces is weakened through sound absorption board 8 and soundproof cotton 7.

[0035] The above is only the specific implementation of the utility model, but the protection scope of the utility model is not limited to this, and anyone skilled in the art can easily think of various changes or replacements within the technical range disclosed by the utility model, and these should be covered in the protection scope of the utility model. Therefore, the protection scope of the utility model should be subject to the protection scope of the claims.

Claims

1. A transmission arm mechanism capable of sewing patterned stitches, characterized in that: The system includes a transmission arm body (1), on the top of which a magnetic docking assembly is installed. The magnetic docking assembly includes a docking plate (3), a docking groove (4), a docking magnetic plate (5), a disassembly shell (24), a docking frame (25), and a positioning magnetic plate (26). The docking plate (3) is installed on the top of the transmission arm body (1), the docking groove (4) is opened on the top of the docking plate (3), the docking magnetic plate (5) is installed inside the docking groove (4), the disassembly shell (24) is magnetically installed on the top of the docking plate (3), the docking frame (25) is installed on the bottom of the disassembly shell (24), and the disassembly shell (24) corresponds to the docking groove (4). The positioning magnetic plate (26) is installed on the bottom of the docking frame (25), and the positioning magnetic plate (26) is connected to the docking magnetic plate (5).

2. The transmission mechanism of the transmission arm capable of sewing patterned stitches according to claim 1, characterized in that: A positioning groove (30) is provided through the outer side of the docking groove (4), and mounting grooves (27) are symmetrically provided on both sides of the docking frame (25). A spring (28) is installed inside the mounting groove (27), and a positioning head (29) is installed at one end of the spring (28), and the positioning head (29) corresponds to the positioning groove (30).

3. The transmission mechanism of the transmission arm capable of sewing patterned stitches according to claim 1, characterized in that: The transmission arm body (1) has a noise reduction groove (6) inside. The noise reduction groove (6) is equipped with sound insulation cotton (7) and sound absorption plate (8) respectively. The inner wall of the transmission arm body (1) has multiple through holes (9) that penetrate the interior of the noise reduction groove (6).

4. The transmission mechanism of the transmission arm capable of sewing patterned stitches according to claim 3, characterized in that: A heat dissipation window (2) is installed through one side of the transmission arm body (1).

5. The transmission mechanism of the transmission arm capable of sewing patterned stitches according to claim 4, characterized in that: The transmission arm body (1) has a partition plate (10) installed inside. A drive motor (11) is installed on one side of the partition plate (10). The output end of the drive motor (11) is connected to a first transmission rod (12). A horn connector (13) is installed at one end of the first transmission rod (12). A second transmission rod (14) is installed on one side of the horn connector (13).

6. The transmission mechanism of the transmission arm capable of sewing patterned stitches according to claim 5, characterized in that: A stabilizing shaft (15) is installed at one end of the second transmission rod (14), a stabilizing sleeve (16) is movably installed on the outside of the stabilizing shaft (15), and a connecting rod (17) is symmetrically installed on the outside of the stabilizing sleeve (16).

7. The transmission mechanism of the transmission arm capable of sewing patterned stitches according to claim 6, characterized in that: A third transmission rod (18) is installed at one end of the stabilizing shaft (15), a transmission shaft (19) is installed at one end of the third transmission rod (18), and a mounting post (20) is installed on one side of the top of the transmission shaft (19).

8. The transmission mechanism of the transmission arm capable of sewing patterned stitches according to claim 7, characterized in that: A docking part (21) is installed on the outside of the mounting column (20), and a movable connecting part (22) is installed at the bottom side of the docking part (21). A vertical transmission rod (23) is installed inside the movable connecting part (22).

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