CN219709752U - Air suction device of sewing machine - Google Patents
Air suction device of sewing machine Download PDFInfo
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- CN219709752U CN219709752U CN202321027099.5U CN202321027099U CN219709752U CN 219709752 U CN219709752 U CN 219709752U CN 202321027099 U CN202321027099 U CN 202321027099U CN 219709752 U CN219709752 U CN 219709752U
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- air inlet
- air
- inlet hole
- sealing
- suction box
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- 238000009958 sewing Methods 0.000 title claims abstract description 48
- 238000007789 sealing Methods 0.000 claims abstract description 89
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 239000004744 fabric Substances 0.000 description 14
- 238000009434 installation Methods 0.000 description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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- Sewing Machines And Sewing (AREA)
Abstract
The utility model belongs to the technical field of sewing machines, in particular to an air suction device of a sewing machine, which comprises an air suction box, wherein the inner cavity of the air suction box is communicated with an air inlet of an exhaust fan, the air suction box is provided with an air inlet I and an air inlet II, the air inlet I is communicated with an air outlet of a sewing platform and the inner cavity of the air suction box, the air inlet II is communicated with the inner cavity and the outside of the air suction box, a sealing device is arranged in the air suction box, the sealing device seals the air inlet I, and when the air inlet II is opened, air is introduced from the air inlet II; the sealing device seals the second air inlet hole, and when the second air inlet hole is opened, air is introduced from the first air inlet hole. According to the utility model, the air inlet channel of the air suction box is switched through the sealing device, so that the exhaust fan is always in an open state, the exhaust fan is not frequently turned on and off, the exhaust fan is not easy to damage, and the service life of the exhaust fan is effectively prolonged.
Description
Technical field:
the utility model belongs to the technical field of sewing machines, and particularly relates to an air suction device of a sewing machine.
The background technology is as follows:
in sewing machines, an exhaust fan is typically required to draw air so that the cloth is held snugly against the sewing table. As disclosed in chinese patent No. 208354703U, a special button sewing machine comprises a supporting arm and a base, a connecting arm is connected to one side upper of the supporting arm, an upper air pressure arm is arranged on one side of the connecting arm away from the bottom of the supporting arm, a push rod is arranged at the top of the upper air pressure arm, a connecting pipe penetrates through one side of the upper air pressure arm away from the supporting arm, one end of the connecting pipe is connected with a high-pressure air interface, a pressure regulating valve is arranged at the top of the connecting pipe, a lower air pressure arm is arranged at the bottom of the upper air pressure arm, a button sewing gun is fixed at the bottom of the lower air pressure arm, a base is welded at the bottom of the supporting arm, an air outlet is arranged at one side of the base away from the supporting arm, an air exhauster is arranged in the base, a bottom of the button sewing groove is fixedly provided with a bottom rod, a foot pad is fixedly arranged at the bottom of the base, an air exhauster is provided with an air inlet, a worker evenly places cloth on the base, and the air exhauster can suck the air inlet through the air inlet, the air exhauster above the air inlet is also required to be tightly pressed by the cloth, and the cloth can be prevented from being damaged by the cloth, and the cloth can be tightly fixed by the cloth, and the cloth can be prevented from being damaged by the cloth.
The air suction device of the professional button sewing machine has the following defects: when the button sewing machine needs to move the cloth or take down the cloth after finishing button sewing, the air exhauster needs to be closed, the suction force to the cloth is removed, the air exhauster is frequently opened and closed, and the air exhauster is easy to damage and has a low service life.
The utility model comprises the following steps:
the utility model aims to provide an air suction device of a sewing machine, which is characterized in that an air inlet channel of an air suction box is switched through a sealing device, so that an exhaust fan is always in an open state, the exhaust fan is not frequently turned on and off, the exhaust fan is not easy to damage, and the service life of the exhaust fan is effectively prolonged.
The utility model is realized in the following way:
the air suction device of the sewing machine comprises an air suction box, wherein the inner cavity of the air suction box is communicated with an air inlet of an exhaust fan, the air suction box is provided with an air inlet I and an air inlet II, the air inlet I is communicated with an air outlet of a sewing platform and the inner cavity of the air suction box, the air inlet II is communicated with the inner cavity and the outside of the air suction box, a sealing device is arranged in the air suction box, the sealing device seals the air inlet I, and when the air inlet II is opened, air is introduced from the air inlet II; the sealing device seals the second air inlet hole, and when the second air inlet hole is opened, air is introduced from the first air inlet hole.
In the air suction device of the sewing machine, the inner cavity of the air suction box is communicated with the air inlet of the air suction fan through a pipeline, and the first air inlet is communicated with the air outlet of the sewing platform through a pipeline II.
In the air suction device of the sewing machine, one end of the first pipeline is connected to the air suction box, the other end of the first pipeline is connected to the air inlet of the exhaust fan, and one end of the second pipeline is connected to the first air inlet and the other end of the second pipeline is connected to the air outlet of the sewing platform.
In the air suction device of the sewing machine, the first pipeline and the second pipeline are hoses.
In the air suction device of the sewing machine, the air suction box comprises a box body and an upper cover, the upper cover is fixed on the box body through bolts, the first air inlet hole and the second air inlet hole are oppositely formed in two side walls of the box body, and the first pipeline is connected to one side wall of the box body.
In the air suction device of the sewing machine, the upper cover is a transparent acrylic plate.
In the air suction device of a sewing machine, the sealing device may have a structure that: the sealing device comprises a double-head cylinder arranged in the air suction box, one end of the double-head cylinder is provided with a first sealing plate for sealing the first air inlet hole, and the other end of the double-head cylinder is provided with a second sealing plate for sealing the second air inlet hole.
In the air suction device of a sewing machine, the structure of the sealing device may be: the sealing device comprises a linear motor arranged in the air suction box, a plug is arranged on a sliding block of the linear motor, and the linear motor controls the plug to move to plug the first air inlet hole and the second air inlet hole.
In the air suction device of the sewing machine, the first sealing plate is provided with the first sealing gasket, the second sealing plate is provided with the second sealing gasket, the first sealing plate seals the first air inlet hole through the first sealing gasket, and the second sealing plate seals the second air inlet hole through the second sealing gasket.
In the air suction device of the sewing machine, the first air inlet hole and the second air inlet hole are round holes, the first sealing gasket and the second sealing gasket are round gaskets, the diameter of the first sealing gasket is larger than that of the first air inlet hole, and the diameter of the second sealing gasket is larger than that of the second air inlet hole.
In the air suction device of the sewing machine, a filter screen for dividing the inner cavity of the air suction box into two chambers is arranged in the air suction box, the first air inlet and the second air inlet are communicated with one chamber, and the air inlet of the exhaust fan is communicated with the other chamber.
In the air suction device of the sewing machine, the air suction box is internally provided with the mounting seat, the filter screen is arranged on the mounting seat, and the filter screen is obliquely arranged from bottom to top to one side far away from the sealing device.
Compared with the prior art, the utility model has the outstanding advantages that:
1. according to the utility model, the air inlet channel of the air suction box is switched through the sealing device, the exhaust fan is always in an open state, the exhaust fan is not frequently turned on and off, the exhaust fan is not easy to damage, and the service life of the exhaust fan is effectively prolonged;
2. the sealing device comprises the double-head cylinder arranged in the air suction box, wherein one end of the double-head cylinder is provided with the first sealing plate for sealing the first air inlet hole, and the other end of the double-head cylinder is provided with the second sealing plate for sealing the second air inlet hole.
Description of the drawings:
FIG. 1 is a perspective view of the present utility model without first and second conduits;
FIG. 2 is a perspective view of a first conduit, suction box, sealing device and second conduit of the present utility model;
fig. 3 is a perspective view of the suction box body of the present utility model.
Reference numerals: 1. an air suction box; 2. an exhaust fan; 3. an air inlet hole I; 4. an air inlet II; 5. a sewing platform; 6. an air outlet; 7. a first pipeline; 8. a second pipeline; 9. a double-headed cylinder; 10. a first sealing plate; 11. a second sealing plate; 12. a first sealing gasket; 13. a second sealing gasket; 14. a filter screen; 15. and (5) a mounting seat.
The specific embodiment is as follows:
the utility model is further described below with reference to the specific examples, see fig. 1-3:
the air suction device of the sewing machine comprises an air suction box 1, wherein the inner cavity of the air suction box 1 is communicated with an air inlet of an exhaust fan 2, an air inlet hole I3 and an air inlet hole II 4 are arranged on the air suction box 1, the air inlet hole I3 is communicated with an air outlet 6 of a sewing platform 5 and the inner cavity of the air suction box 1, the air inlet hole II 4 is communicated with the inner cavity and the outside of the air suction box 1, a sealing device is arranged in the air suction box 1, the sealing device seals the air inlet hole I3, and air is introduced from the air inlet hole II 4 when the air inlet hole II 4 is opened; the sealing device seals the air inlet hole II 4, and when the air inlet hole I3 is opened, air is introduced from the air inlet hole I3.
Furthermore, the inner cavity of the air suction box 1 is communicated with the air inlet of the air suction fan 2 through a first pipeline 7, and the air inlet hole I3 is communicated with the air outlet 6 of the sewing platform 5 through a second pipeline 8.
The working principle of the utility model is as follows: as shown in fig. 1-3, when the exhaust fan 2 is opened, the sealing device seals the air inlet hole II 4 and opens the air inlet hole I3, and air above the sewing platform 5 flows into the exhaust fan 2 from the air inlet of the exhaust fan 2 after passing through the air outlet 6, the pipeline II 8, the air inlet hole I3, the air suction box 1 and the pipeline I7; when the cloth is not required to be fixed, the sealing device seals the first air inlet hole 3, opens the second air inlet hole 4, and external air flows into the exhaust fan 2 from the air inlet of the exhaust fan 2 after passing through the second air inlet hole 4, the air suction box 1 and the first pipeline 7.
According to the utility model, the air inlet channel of the air suction box 1 is switched through the sealing device, the exhaust fan 2 is always in an open state, the exhaust fan 2 is not frequently opened and closed, the exhaust fan 2 is not easy to damage, and the service life of the exhaust fan 2 is effectively prolonged.
The connection mode of the first pipeline 7 and the second pipeline 8 is as follows: one end of the first pipeline 7 is connected to the air suction box 1, the other end of the first pipeline is connected to the air inlet of the exhaust fan 2, one end of the second pipeline 8 is connected to the first air inlet hole 3, and the other end of the second pipeline is connected to the air outlet 6 of the sewing platform 5.
Preferably, the first pipeline 7 and the second pipeline 8 are hoses.
The specific structure of the induced draft box 1 is as follows: as shown in fig. 2 and 3, the air suction box 1 comprises a box body and an upper cover, the upper cover is fixed on the box body through bolts, the first air inlet hole 3 and the second air inlet hole 4 are oppositely arranged on two side walls of the box body, and the first pipeline 7 is connected to one side wall of the box body.
In order to facilitate the observation of the internal condition of the induced draft box 1, the upper cover is a transparent acrylic plate.
The structure of the sealing device is as follows: as shown in fig. 2 and 3, the sealing device comprises a double-head cylinder 9 arranged in the air suction box 1, one end of the double-head cylinder 9 is provided with a first sealing plate 10 for sealing the first air inlet hole 3, and the other end of the double-head cylinder 9 is provided with a second sealing plate 11 for sealing the second air inlet hole 4. When the first air inlet hole 3 needs to be sealed and the second air inlet hole 4 is opened, the double-head air cylinder 9 controls piston rods at two ends to move to one side of the first air inlet hole 3; when the second air inlet hole 4 needs to be sealed and the first air inlet hole 3 is opened, the double-head air cylinder 9 controls piston rods at two ends to move to one side of the second air inlet hole 4. Simple structure, easy to assemble, and with low costs.
In order to achieve better sealing effect, as shown in fig. 2, a first sealing gasket 12 is arranged on the first sealing plate 10, a second sealing gasket 13 is arranged on the second sealing plate 11, the first sealing plate 10 seals the first air inlet hole 3 through the first sealing gasket 12, and the second sealing plate 11 seals the second air inlet hole 4 through the second sealing gasket 13.
Furthermore, the first air inlet hole 3 and the second air inlet hole 4 are round holes, the first sealing gasket 12 and the second sealing gasket 13 are round gaskets, the diameter of the first sealing gasket 12 is larger than that of the first air inlet hole 3, and the diameter of the second sealing gasket 13 is larger than that of the second air inlet hole 4.
In order to effectively filter impurities in the air, impurities such as broken cloth and scraps are prevented from entering the exhaust fan 2, the service life of the exhaust fan 2 is influenced, a filter screen 14 which divides the inner cavity of the exhaust fan box 1 into two chambers is arranged in the exhaust fan box 1, one chamber is communicated with the first air inlet hole 3, the second air inlet hole 4, the air inlet of the exhaust fan 2 is communicated with the other chamber, namely the first pipeline 7 is communicated with the other chamber. Air entering from the first air inlet hole 3 or the second air inlet hole 4 flows to the air inlet of the exhaust fan 2 after being filtered by the filter screen 14.
In order to increase the space of the chamber communicated with the first pipeline 7 as much as possible under the condition of ensuring the installation space of the sealing device, as shown in fig. 2, an installation seat 15 is arranged in the air suction box 1, the filter screen 14 is arranged on the installation seat 15, and the filter screen 14 is obliquely arranged from bottom to top to the side far away from the sealing device.
The above embodiment is only one of the preferred embodiments of the present utility model, and is not intended to limit the scope of the present utility model, therefore: all equivalent changes in shape, structure and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (8)
1. An induced draft device of a sewing machine, which is characterized in that: the sewing machine comprises an air suction box (1), wherein the inner cavity of the air suction box (1) is communicated with an air inlet of an exhaust fan (2), an air inlet I (3) and an air inlet II (4) are arranged on the air suction box (1), the air inlet I (3) is communicated with an air outlet (6) of a sewing platform (5) and the inner cavity of the air suction box (1), the air inlet II (4) is communicated with the inner cavity and the outside of the air suction box (1), a sealing device is arranged in the air suction box (1), the air inlet I (3) is sealed by the sealing device, and air is introduced from the air inlet II (4) when the air inlet II (4) is opened; the sealing device seals the air inlet hole II (4), and when the air inlet hole I (3) is opened, air is introduced from the air inlet hole I (3).
2. The suction device of a sewing machine of claim 1, wherein: the inner cavity of the air suction box (1) is communicated with the air inlet of the exhaust fan (2) through a first pipeline (7), and the air inlet hole I (3) is communicated with the air outlet (6) of the sewing platform (5) through a second pipeline (8).
3. The suction device of a sewing machine of claim 2, wherein: the induced draft box (1) comprises a box body and an upper cover, wherein the upper cover is fixed on the box body through bolts, a first air inlet hole (3) and a second air inlet hole (4) are oppositely formed in two side walls of the box body, and a first pipeline (7) is connected to one side wall of the box body.
4. The suction device of a sewing machine of claim 1, wherein: the sealing device comprises a double-head air cylinder (9) arranged in the air suction box (1), one end of the double-head air cylinder (9) is provided with a first sealing plate (10) for sealing the first air inlet hole (3), and the other end of the double-head air cylinder is provided with a second sealing plate (11) for sealing the second air inlet hole (4).
5. The suction device of a sewing machine of claim 4, wherein: the sealing device is characterized in that a first sealing gasket (12) is arranged on the first sealing plate (10), a second sealing gasket (13) is arranged on the second sealing plate (11), the first sealing plate (10) seals the first air inlet hole (3) through the first sealing gasket (12), and the second sealing plate (11) seals the second air inlet hole (4) through the second sealing gasket (13).
6. The suction device of a sewing machine of claim 5, wherein: the air inlet I (3) and the air inlet II (4) are round holes, the sealing gasket I (12) and the sealing gasket II (13) are round gaskets, the diameter of the sealing gasket I (12) is larger than that of the air inlet I (3), and the diameter of the sealing gasket II (13) is larger than that of the air inlet II (4).
7. The suction device of a sewing machine of claim 1, wherein: the air suction box (1) is internally provided with a filter screen (14) for dividing the inner cavity of the air suction box (1) into two chambers, the first air inlet hole (3) and the second air inlet hole (4) are communicated with one chamber, and the air inlet of the air suction fan (2) is communicated with the other chamber.
8. The suction device of a sewing machine of claim 7, wherein: the air suction box (1) is internally provided with a mounting seat (15), the filter screen (14) is arranged on the mounting seat (15), and the filter screen (14) is obliquely arranged from bottom to top to one side far away from the sealing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321027099.5U CN219709752U (en) | 2023-04-29 | 2023-04-29 | Air suction device of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321027099.5U CN219709752U (en) | 2023-04-29 | 2023-04-29 | Air suction device of sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219709752U true CN219709752U (en) | 2023-09-19 |
Family
ID=87999300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321027099.5U Active CN219709752U (en) | 2023-04-29 | 2023-04-29 | Air suction device of sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219709752U (en) |
-
2023
- 2023-04-29 CN CN202321027099.5U patent/CN219709752U/en active Active
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