CN210886518U - Cleaning device of sewing machine - Google Patents
Cleaning device of sewing machine Download PDFInfo
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- CN210886518U CN210886518U CN201921815654.4U CN201921815654U CN210886518U CN 210886518 U CN210886518 U CN 210886518U CN 201921815654 U CN201921815654 U CN 201921815654U CN 210886518 U CN210886518 U CN 210886518U
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- brush
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- sewing machine
- bracket
- connecting rod
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Abstract
The utility model provides a cleaning device of sewing machine belongs to sewing machine equipment technical field. It has solved its cleaning effect poor problem of cleaning device. The cleaning device of the sewing machine comprises a connecting rod, a knife rest and a thread cutting crank; one end of the connecting rod is hinged with the tool rest, and the other end of the connecting rod is hinged with the thread trimming crank; the cleaning device is characterized by comprising a bracket, a brush and a baffle plate; the baffle is arranged on the outer sides of the brush and the bracket and is connected with the knife rest through a fastener; one end of the bracket is connected with the brush; the middle part of the bracket is sleeved on the fastening piece and can rotate relative to the fastening piece; the other end of the support is provided with a strip-shaped groove, the connecting rod is provided with a sliding block matched with the strip-shaped groove, and the sliding block can move back and forth in the strip-shaped groove. The cleaning device has the advantages of simple structure, good cleaning effect and strong universality.
Description
Technical Field
The utility model belongs to the technical field of sewing machine equipment, a cleaning device of sewing machine is related to.
Background
A sewing machine is a machine that uses one or more sewing threads to form one or more stitches in a material to be sewn, thereby interweaving or stitching one or more layers of material. The sewing machine can sew fabrics such as cotton, hemp, silk, wool, rayon and the like and products such as leather, plastics, paper and the like, and the sewed stitches are neat, beautiful, flat and firm, the sewing speed is high, the use is simple and convenient, so the sewing machine is widely used. The existing sewing machine is easy to generate oil stain and pile thread hair in the sewing process, and especially at the position of a bottom thread detection sensor, when the thread hair is piled too much, the sensor can be caused to be out of order. The existing treatment modes include blowing the sensor area through an external air source or arranging a dust suction device, and the two treatment modes need to be additionally provided with more complicated devices such as blowing or an adsorption pump, so that the assembly and disassembly are inconvenient and the cost is high.
Chinese patent (publication number: CN 107460659A; publication date: 2017.12.12) discloses a cleaning structure of a sewing machine, the sewing machine comprises a rotating shuttle, a thread cutting crank and a feed lifting rock shaft, the cleaning structure comprises a scrap cleaning plate which can be driven by the thread cutting crank or the feed lifting rock shaft to swing, and the scrap cleaning plate is positioned on the outer side of the rotating shuttle.
Although the cleaning structure in the patent document does not need an external air source and has a simple structure, the cleaning structure only depends on the inertia effect to throw off oil stains and thread hairs adhered to the scrap removing plate, and the cleaning effect is not ideal.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the technical problem and providing a cleaning device of a sewing machine.
The purpose of the utility model can be realized by the following technical proposal:
a cleaning device of a sewing machine comprises a connecting rod, a knife rest and a thread cutting crank; one end of the connecting rod is hinged with the tool rest, and the other end of the connecting rod is hinged with the thread trimming crank; the cleaning device is characterized by comprising a bracket, a brush and a baffle plate; the baffle is arranged on the outer sides of the brush and the bracket and is connected with the knife rest through a fastener; one end of the bracket is connected with the brush; the middle part of the bracket is sleeved on the fastening piece and can rotate relative to the fastening piece; the other end of the support is provided with a strip-shaped groove, the connecting rod is provided with a sliding block matched with the strip-shaped groove, and the sliding block can move back and forth in the strip-shaped groove.
In the cleaning device of the sewing machine, the cross section of the baffle is of an L-shaped structure, the L-shaped structure comprises a connecting part and a blocking part, and the connecting part is provided with a hole and is connected with the knife rest through the fastener; the blocking part is attached to the outer side of the brush, and the brush moves up and down along the blocking part to clean the threads and the hairs.
In the cleaning device of the sewing machine, the front end of the brush is of a downward arc-shaped bent structure, and a through hole facilitating the deformation of the front end of the brush is formed below the bent part of the brush.
In the cleaning device for the sewing machine, the brush is fixedly bonded with the bracket.
In the above cleaning device for a sewing machine, the brush is made of a rubber material.
In the cleaning device for the sewing machine, the sliding block is a cylindrical pin.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses but direct mount utilizes the relevant spare part of current trimming as the driving source on the sewing machine, need not external other accessories and can pass through pure mechanical mode, and the brush pastes and leans on in baffle round trip movement promptly, and its clearance effect is showing.
2. The utility model discloses the structure is simple and easy compact, and functional strong, processing low in manufacturing cost.
3. The utility model discloses easily dismouting maintenance, adaptation in any sewing machine type, the commonality is strong, long service life.
Drawings
Fig. 1 is a first schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the present invention.
Fig. 3 is an exploded schematic view of the present invention.
In the figure, 1, connecting rod; 2. a tool holder; 3. a thread cutting crank; 4. a support; 41. a strip-shaped groove; 42. a slider; 5. a brush; 6. a baffle plate; 7. a fastener.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in figure 1, the cleaning device of the sewing machine comprises a connecting rod 1, a knife rest 2 and a thread cutting crank 3; one end of the connecting rod 1 is hinged with the tool rest 2, and the other end is hinged with the thread trimming crank 3; the cleaning device comprises a bracket 4, a brush 5 and a baffle 6; the baffle 6 is arranged on the outer sides of the brush 5 and the bracket 4 and is connected with the tool rest 2 through a fastener 7; one end of the bracket 4 is connected with the brush 5 in an adhesive way; the middle part of the bracket 4 is sleeved on the fastening piece 7 and can rotate relative to the fastening piece 7; a strip-shaped groove 41 is formed in the other end of the support 4, a sliding block 42 matched with the strip-shaped groove 41 is arranged on the connecting rod 1, and the sliding block 42 can move back and forth in the strip-shaped groove 41. Preferably, the slider 42 of the present embodiment is a cylindrical pin.
When the sewing machine finishes sewing and starts to cut the thread, the thread cutting transmission device drives the thread cutting crank 3 to rotate, the connecting rod 1 which is hinged with the thread cutting crank 3 also rotates at any time, the sliding block 42 arranged on the connecting rod 1 moves back and forth in the strip-shaped groove 41, so that one end of the support 4 is driven to move up and down around the fastener 7, the brush 5 which is bonded at one end of the support 4 moves up and down along the baffle 6 at the moment, the thread wool produced in the sewing process can be cleaned to the cavity, the thread wool is collected in the cavity in a unified manner, the thread wool is cleaned in a pure mechanical manner, and the cleaning effect is obvious. After the thread cutting action is finished, the thread cutting crank 3 is reset under the action of the torsion spring, and the brush 5 is reset along with the action.
The utility model can be directly installed on the sewing machine, the related parts of the existing thread cutting are used as the driving source, and the brush can move back and forth by the pure mechanical mode without external other accessories, namely, the brush is attached to the baffle plate, and the cleaning effect is obvious; and easy dismouting maintenance is adapted to any sewing machine type, and the commonality is strong.
As a further optimization of the embodiment, the cross section of the baffle 6 is of an L-shaped structure, the L-shaped structure comprises a connecting part and a blocking part, and the connecting part is provided with a hole and is connected with the tool rest 2 through a fastener 7; the blocking part is attached to the outer side of the brush 5, and the brush 5 moves up and down along the blocking part to clean the thread and the hair. Specifically, the front end of the brush 5 made of rubber is of a downward arc-shaped bent structure, and a through hole facilitating the deformation of the front end of the brush 5 is formed below the bent part of the brush 5. The brush 5 made of rubber has certain elasticity, can clean the thread hairs and the oil stains on the blocking part when the brush is tightly attached to the blocking part and moves up and down, and has long service life and low processing and manufacturing cost.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Although the terms connecting rod, knife holder, trimming crank, bracket, strip-shaped groove, slider, brush, baffle, fastener, etc. are used more often herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.
Claims (6)
1. A cleaning device of a sewing machine comprises a connecting rod (1), a knife rest (2) and a thread cutting crank (3); one end of the connecting rod (1) is hinged with the tool rest (2) and the other end is hinged with the thread cutting crank (3); the cleaning device is characterized by comprising a bracket (4), a brush (5) and a baffle (6); the baffle (6) is arranged on the outer sides of the brush (5) and the bracket (4) and is connected with the knife rest (2) through a fastener (7); one end of the bracket (4) is connected with the brush (5); the middle part of the bracket (4) is sleeved on the fastening piece (7) and can rotate relative to the fastening piece (7); a strip-shaped groove (41) is formed in the other end of the support (4), a sliding block (42) matched with the strip-shaped groove (41) is arranged on the connecting rod (1), and the sliding block (42) can move back and forth in the strip-shaped groove (41).
2. A cleaning device of a sewing machine according to claim 1, characterized in that: the cross section of the baffle (6) is of an L-shaped structure, the L-shaped structure comprises a connecting part and a blocking part, and the connecting part is provided with a hole and is connected with the tool rest (2) through the fastener (7); the blocking part is attached to the outer side of the brush (5), and the brush (5) moves up and down along the blocking part to clean the thread hairs.
3. A cleaning device of a sewing machine according to claim 2, characterized in that: the front end of the brush (5) is of a downward arc-shaped bent structure, and a through hole facilitating deformation of the front end of the brush (5) is formed below the bent arc of the brush (5).
4. A cleaning device of a sewing machine according to claim 3, characterized in that: the brush (5) is fixedly bonded with the bracket (4).
5. A cleaning device of a sewing machine according to claim 4, characterized in that: the brush (5) is made of rubber.
6. A cleaning device of a sewing machine according to claim 1, characterized in that: the sliding block (42) is a cylindrical pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921815654.4U CN210886518U (en) | 2019-10-25 | 2019-10-25 | Cleaning device of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921815654.4U CN210886518U (en) | 2019-10-25 | 2019-10-25 | Cleaning device of sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210886518U true CN210886518U (en) | 2020-06-30 |
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ID=71324300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921815654.4U Active CN210886518U (en) | 2019-10-25 | 2019-10-25 | Cleaning device of sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210886518U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111996690A (en) * | 2020-08-31 | 2020-11-27 | 袁小盼 | Device capable of cleaning and radiating shuttle mechanism |
-
2019
- 2019-10-25 CN CN201921815654.4U patent/CN210886518U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111996690A (en) * | 2020-08-31 | 2020-11-27 | 袁小盼 | Device capable of cleaning and radiating shuttle mechanism |
| CN111996690B (en) * | 2020-08-31 | 2022-02-18 | 李亦晗 | Device capable of cleaning and radiating shuttle mechanism |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 318014 No. 1008, east section of Donghai Avenue, Sanjia, Jiaojiang District, Taizhou City, Zhejiang Province Patentee after: Jack Technology Co.,Ltd. Address before: 318014 No. 1008, east section of Donghai Avenue, Sanjia, Jiaojiang District, Taizhou City, Zhejiang Province Patentee before: JACK SEWING MACHINE Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |