CN216237605U - Presser foot alternating quantity adjusting mechanism and sewing machine - Google Patents
Presser foot alternating quantity adjusting mechanism and sewing machine Download PDFInfo
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- CN216237605U CN216237605U CN202122838198.9U CN202122838198U CN216237605U CN 216237605 U CN216237605 U CN 216237605U CN 202122838198 U CN202122838198 U CN 202122838198U CN 216237605 U CN216237605 U CN 216237605U
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Abstract
The utility model relates to a presser foot alternative quantity adjusting mechanism and a sewing machine, wherein the presser foot alternative quantity adjusting mechanism comprises a presser foot lifting adjusting shaft, a presser foot lifting shaft bracket, a telescopic driving piece and an alternative quantity lifting lever, the alternative quantity lifting lever is arranged on the presser foot lifting adjusting shaft, the part of the alternative quantity lifting lever extending out of the presser foot lifting adjusting shaft is in sliding connection with a telescopic rod part of the telescopic driving piece, and the telescopic rod part can act on the alternative quantity lifting lever so as to enable the alternative quantity lifting lever to drive the presser foot lifting adjusting shaft to rotate. The automatic presser foot alternating quantity adjusting device can realize automatic adjustment of the presser foot alternating quantity and has the function of improving the working efficiency of a sewing machine; simultaneously this presser foot volume of alternating adjustment mechanism for presser foot rises the adjustment shaft rotation through the volume of alternating lever direct drive presser foot, and loss when avoiding mechanical transmission can play the effect that reduces the flexible driving piece and use the consumption, and then makes this flexible driving piece can select the equipment of miniwatt.
Description
Technical Field
The utility model relates to the technical field of sewing, in particular to a presser foot alternating quantity adjusting mechanism and a sewing machine.
Background
In the sewing process of the sewing machine, due to the product types and the product sewing requirements, the situation that the thickness of the sewn product changes can occur, generally, the numerical value set by the alternating quantity of the presser feet is in the middle numerical value because high-speed sewing and low noise are needed, but when the thickness of cloth changes greatly, the situation that the presser feet cannot move materials can occur in the large presser feet and the small presser feet.
At present, presser foot amount of alternation adjustment mechanism is manual drive usually among current sewing machine, and the specific during operation of presser foot amount of alternation adjustment mechanism, need stop the machine, and manual adjustment presser foot amount of alternation marking disc to increase presser foot amount of alternation, otherwise sewing machine will be in the original place of cloth and make up ceaselessly, can damage the cloth product, and complex operation not only like this but also can influence sewing machine's the efficiency of making up.
SUMMERY OF THE UTILITY MODEL
In view of the above, it is desirable to provide a presser foot alternation amount adjusting mechanism and a sewing machine for solving the above problems.
A presser foot alternation amount adjusting mechanism comprises a presser foot lifting adjusting shaft and a presser foot lifting shaft bracket, wherein the presser foot lifting shaft bracket is arranged on the presser foot lifting adjusting shaft,
the presser foot lifting adjusting mechanism comprises a presser foot lifting adjusting shaft, and is characterized by further comprising a telescopic driving piece and an alternate quantity lifting lever, wherein the alternate quantity lifting lever is arranged on the presser foot lifting adjusting shaft, the part, extending out of the presser foot lifting adjusting shaft, of the alternate quantity lifting lever is in sliding connection with a telescopic rod part of the telescopic driving piece, and the telescopic rod part can act on the alternate quantity lifting lever so that the alternate quantity lifting lever drives the presser foot lifting adjusting shaft to rotate.
In the application, through the reasonable structural arrangement, the presser foot alternating quantity adjusting mechanism can be driven by a telescopic driving piece during working and achieves the purpose of adjusting the rotation of the presser foot lifting adjusting shaft, so that the automatic adjustment of the presser foot alternating quantity is realized, and the function of improving the working efficiency of the sewing machine is achieved; simultaneously this presser foot volume of alternating adjustment mechanism for presser foot rises the adjustment shaft rotation through the volume of alternating lever direct drive presser foot, and loss when avoiding mechanical transmission can play the effect that reduces the flexible driving piece and use the consumption, and then makes this flexible driving piece can select the equipment of miniwatt.
In one embodiment, a portion of the alternating lifting lever extending out of the presser foot lifting adjusting shaft is bent in a direction away from the telescopic driving member and is formed with a bent portion, and the telescopic rod portion of the telescopic driving member is slidably connected to the bent portion.
It can be understood that the above-mentioned arrangement is adopted to facilitate the assembly between the alternating lifting lever and the telescopic rod part on the telescopic driving member, and has the effect of reducing the assembly distance between the telescopic driving member and the alternating lifting lever.
In one embodiment, the alternate quantity lifting lever is provided with a sliding groove, the telescopic rod part of the telescopic driving part is provided with a connecting joint, and the connecting joint is slidably mounted on the sliding groove of the alternate quantity lifting lever.
It will be appreciated that the sliding connection between the alternating lifting lever and the telescopic rod portion of the telescopic driving member is achieved in particular by the above-described arrangement.
In one embodiment, the connecting joint is disposed through the sliding groove, wherein a joint pin is disposed on a portion of the connecting joint extending out of the sliding groove, and the telescopic driving member can press the alternate quantity lifting lever through the joint pin, so that the alternate quantity lifting lever drives the presser foot lifting adjusting shaft to rotate.
It will be appreciated that the above-described arrangement enables the assembly of the connecting joint in the alternative lifting lever with the slide groove.
In one embodiment, a plane is formed on the presser foot lifting adjusting shaft, and the alternating lifting lever abuts against the plane and is limited and fixed by a limiting piece.
It can be understood that, through the above structural arrangement, the assembly connection between the presser foot lifting adjusting shaft and the alternating lifting lever is realized, so that the alternating lifting lever is mounted on the presser foot lifting adjusting shaft, and the effect of improving the connection stability between the alternating lifting lever and the presser foot lifting adjusting shaft is achieved.
In one embodiment, the stopper is provided as a connection screw.
It can be understood that the limiting part is arranged as a connecting screw so as to fix the alternating lifting lever on the presser foot lifting adjusting shaft, and the limiting part can be obtained from local materials and has the function of reducing cost.
In one embodiment, the telescopic drive is provided as a telescopic cylinder.
It can be understood that the telescopic driving piece is arranged as the telescopic cylinder, so that local materials can be used for the telescopic driving piece, and the effect of reducing cost is achieved.
The application also requests to protect a sewing machine, which comprises a machine shell and a presser foot alternating quantity adjusting mechanism, wherein the presser foot alternating quantity adjusting mechanism is arranged in the machine shell, and the presser foot alternating quantity adjusting mechanism is any one of the presser foot alternating quantity adjusting mechanisms.
In the application, through the reasonable structural arrangement, when the sewing machine works, the automatic adjustment of the alternating quantity of the presser feet can be realized, and the function of improving the working efficiency of the sewing machine is achieved; meanwhile, the presser foot alternate quantity adjusting mechanism directly drives the presser foot lifting adjusting shaft to rotate through the alternate quantity lifting lever by using the telescopic driving piece, so that the loss in the mechanical transmission process is avoided, and the effect of reducing the power consumption of the telescopic driving piece in use can be achieved.
In one embodiment, a thickness detection device is arranged on the machine shell, and the telescopic driving piece can control the rotation of the presser foot lifting adjusting shaft by taking the cloth thickness measured by the thickness detection device as a starting signal.
It can be understood that, through the structural arrangement of the thickness detection device, when the sewing machine works, the presser foot alternating quantity adjusting mechanism can be automatically controlled to be started by utilizing the cloth thickness measured by the thickness detection device, so that the automation of the work of the presser foot alternating quantity adjusting mechanism on the sewing machine is realized.
In one embodiment, the sewing machine further comprises a controller, and the controller can control the telescopic driving piece to reset according to an external signal or the maintained needle pitch number.
It can be understood that the resetting control of the presser foot alternating quantity adjusting mechanism is realized through the structural arrangement of the controller, so that the sewing machine can realize the adjustment operation of the presser foot alternating quantity without stopping the machine.
Drawings
Fig. 1 is a schematic structural diagram of a sewing machine according to an embodiment of the present application.
Fig. 2 is a partial schematic structural view of a sewing machine according to an embodiment of the present application.
Fig. 3 is a partial schematic view of another view angle of the sewing machine according to an embodiment of the present application.
Fig. 4 is a schematic structural diagram of a presser foot alternating amount adjusting mechanism according to an embodiment of the present application.
Wherein, 100, presser foot alternative quantity adjusting mechanism; 10. the presser foot lifts the regulating shaft; 11. a plane; 12. a limiting member; 121. a connecting screw; 20. a presser foot lifting shaft support; 30. a telescopic driving member; 301. a telescopic cylinder; 31. a telescopic rod part; 40. an alternating quantity lifting lever; 401. a bending section; 41. a chute; 50. connecting a joint; 51. a connector pin; 200. a housing; 201. thickness detection device.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent 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 obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
It will be understood that when an element is referred to as being "on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 4, a presser foot alternating quantity adjusting mechanism 100 according to an embodiment of the present invention includes a presser foot lifting adjusting shaft 10, a presser foot lifting shaft support 20, a telescopic driving member 30, and an alternating quantity lifting lever 40.
The presser foot lifting shaft support 20 of this embodiment is installed on the presser foot lifting adjusting shaft 10, so that the presser foot lifting adjusting shaft 10 can drive the presser foot lifting shaft support 20 to rotate while rotating, that is, the change of the angle of the presser foot lifting shaft support 20 is realized, and the presser foot alternating quantity of the sewing machine is further adjusted. It should be noted that the specific structure of the presser foot lifting shaft support 20 and how to adjust the presser foot alternating amount during the operation of the sewing machine while the presser foot lifting shaft support 20 rotates are the conventional structures of the existing sewing machines, and will not be described herein.
In this embodiment, the alternate quantity lifting lever 40 of this embodiment is mounted on the presser foot lift adjusting shaft 10, wherein a portion of the alternate quantity lifting lever 40 extending out of the presser foot lift adjusting shaft 10 is slidably connected with the telescopic rod portion 31 of the telescopic driving member 30, and the telescopic rod portion 31 can act on the alternate quantity lifting lever 40, so that the alternate quantity lifting lever 40 drives the presser foot lift adjusting shaft 10 to rotate.
As can be seen from the above, the presser foot alternation amount adjusting mechanism of the embodiment can be driven by the telescopic driving member 30 during operation and achieve the purpose of adjusting the rotation of the presser foot lifting adjusting shaft 10, thereby realizing the automatic adjustment of the presser foot alternation amount and having the function of improving the work efficiency of the sewing machine; meanwhile, the telescopic driving part 30 for the presser foot alternative quantity adjusting mechanism directly drives the presser foot lifting adjusting shaft 10 to rotate through the alternative quantity lifting lever 40, so that loss in mechanical transmission is avoided, the effect of reducing the power consumption of the telescopic driving part 30 can be achieved, and further the telescopic driving part 30 can select low-power equipment.
In the embodiment, the part of the alternate lifting lever 40 extending out of the presser foot lifting adjustment shaft 10 is bent in a direction away from the telescopic driving member 30 to form a bent part 401, and the telescopic rod part 31 of the telescopic driving member 30 is slidably connected to the bent part 401. That is, the alternate quantity lifting lever 40 of the present embodiment is assembled and connected to the telescopic rod portion 31 of the telescopic driving member 30 by a portion tilted with respect to the telescopic driving member 30, so as to facilitate the assembly between the alternate quantity lifting lever 40 and the telescopic rod portion 31 of the telescopic driving member 30, and has the effect of reducing the assembly distance between the telescopic driving member 30 and the alternate quantity lifting lever 40, so as to further facilitate the assembly and connection of the telescopic driving member 30 and the alternate quantity lifting lever 40 in the sewing machine.
Specifically, the alternate quantity lifting lever 40 of the present embodiment is provided with a sliding slot 41, the telescopic rod portion 31 of the telescopic driving member 30 is provided with a connecting joint 50, and the connecting joint 50 is slidably mounted on the sliding slot 41 of the alternate quantity lifting lever 40, so as to specifically realize the sliding connection between the alternate quantity lifting lever 40 and the telescopic rod portion 31 of the telescopic driving member 30. It should be noted that the connecting joint 50 of the present embodiment is in clearance fit with the groove wall of the sliding groove 41 of the alternating lifting lever 40, so as to improve the stability of the sliding of the connecting joint 50 on the sliding groove 41 of the alternating lifting lever 40.
In addition, the connection joint 50 of the present embodiment is threadedly mounted on the telescopic rod portion 31 of the telescopic driver 30 so that the connection joint 50 is mounted on the telescopic rod portion 31 of the telescopic driver 30. Of course, the connection joint 50 and the telescopic rod 31 of the telescopic driving member 30 are not limited to be threaded, and it is obvious to those skilled in the art that the connection joint 50 can be fixedly connected to the telescopic rod 31 of the telescopic driving member 30 by welding.
In this embodiment, the connection joint 50 of this embodiment is disposed through the sliding slot 41, wherein the portion of the connection joint 50 extending out of the sliding slot 41 is provided with a joint pin 51, and the telescopic driving member 30 can press the alternate quantity lifting lever 40 through the joint pin 51, so that the alternate quantity lifting lever 40 drives the presser foot lifting adjusting shaft 10 to rotate, thereby specifically realizing the assembly connection of the connection joint 50 on the sliding slot 41 on the alternate quantity lifting lever 40.
In the embodiment, the presser foot lifting adjusting shaft 10 is provided with the plane 11, the alternating lifting lever 40 abuts against the plane 11, and is limited and fixed by the limiting member 12, so that the assembly connection between the presser foot lifting adjusting shaft 10 and the alternating lifting lever 40 is realized, the alternating lifting lever 40 is conveniently installed on the presser foot lifting adjusting shaft 10, and the function of improving the connection stability between the alternating lifting lever 40 and the presser foot lifting adjusting shaft 10 is achieved.
The limiting member 12 of the present embodiment is provided as a connecting screw 121, so as to fix the alternating lifting lever 40 on the presser foot lifting adjusting shaft 10, and the limiting member 12 can be obtained from local materials, thereby reducing the cost. It should be noted that the number of the connection screws 121 is two, and the two connection screws 121 are spaced at both sides of the alternate quantity lifting lever 40.
In this embodiment, the telescopic driving member 30 of this embodiment is configured as the telescopic cylinder 301, so as to specifically realize the structure of the telescopic driving member, so that the telescopic driving member 30 can use local materials, thereby reducing the cost.
In addition, the sewing machine according to an embodiment of the present invention includes a housing 200 and the presser alternative amount adjusting mechanism 100, and the presser alternative amount adjusting mechanism 100 is disposed inside the housing 200.
The thickness detecting device 201 is disposed on the machine housing 200 of this embodiment, and the telescopic driving member 30 on the presser foot alternation amount adjusting mechanism 100 can use the thickness of the cloth measured by the thickness detecting device 201 as a start signal to control the rotation of the presser foot lifting adjusting shaft 10, so that when the sewing machine works, the presser foot alternation amount adjusting mechanism 100 can be automatically controlled to start by using the thickness of the cloth measured by the thickness detecting device 201, thereby realizing the automation of the work of the presser foot alternation amount adjusting mechanism 100 on the sewing machine. It should be noted that the specific structure of the thickness detecting device 201 and the principle of detecting the thickness of the cloth when the thickness detecting device 201 works are the conventional structure of the existing sewing machine, and will not be described herein.
Specifically, when the thickness detecting device 201 detects that the thickness of the cloth is thickened, a feedback signal can be generated, and the telescopic driving element 30 receives the feedback signal and then drives the presser foot lifting adjusting shaft 10 to rotate through the alternating quantity lifting lever 40, so as to achieve the purpose of adjusting the alternating quantity of the upper presser foot of the sewing machine.
In addition, the sewing machine of the present embodiment further includes a controller (not shown), and the controller can control the telescopic driving member 30 to reset according to an external signal or the number of maintained needle pitches, so as to specifically realize the reset control of the presser foot alternating amount adjusting mechanism 100, so that the sewing machine can realize the adjustment operation of the presser foot alternating amount without stopping the sewing machine. It should be noted that, the external signal is a switch arranged on the sewing machine, and specifically, the external signal is input by pressing the switch; the number of needle pitches to be maintained may be the number of needle pitches preset by the sewing machine, and will not be described herein.
The features of the above embodiments may be arbitrarily combined, and for the sake of brevity, all possible combinations of the features in the above embodiments are not described, but should be construed as being within the scope of the present specification as long as there is no contradiction between the combinations of the features.
It should be understood by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as a limitation of the present invention, and that suitable changes and modifications of the above embodiments are within the scope of the claimed invention as long as they are within the spirit and scope of the present invention.
Claims (10)
1. A presser foot alternation amount adjusting mechanism comprises a presser foot lifting adjusting shaft (10) and a presser foot lifting shaft bracket (20), wherein the presser foot lifting shaft bracket (20) is arranged on the presser foot lifting adjusting shaft (10),
the presser foot alternate quantity adjusting mechanism (100) is characterized by further comprising a telescopic driving piece (30) and an alternate quantity lifting lever (40), wherein the alternate quantity lifting lever (40) is mounted on the presser foot lifting adjusting shaft (10), the part of the alternate quantity lifting lever (40) extending out of the presser foot lifting adjusting shaft (10) is in sliding connection with a telescopic rod part (31) of the telescopic driving piece (30), and the telescopic rod part (31) can act on the alternate quantity lifting lever (40) so that the alternate quantity lifting lever (40) drives the presser foot lifting adjusting shaft (10) to rotate.
2. The presser foot alternation amount adjustment mechanism according to claim 1, wherein a portion of the alternation amount raising lever (40) extending out of the presser foot elevation adjustment shaft (10) is bent in a direction away from the telescopic driving member (30) and is formed with a bent portion (401), and the telescopic rod portion (31) of the telescopic driving member (30) is slidably connected to the bent portion (401).
3. The presser foot alternating quantity adjusting mechanism according to claim 1, wherein a sliding groove (41) is formed in the alternating quantity lifting lever (40), a connecting joint (50) is provided on the telescopic rod portion (31) of the telescopic driving member (30), and the connecting joint (50) is slidably mounted on the sliding groove (41) of the alternating quantity lifting lever (40).
4. Presser foot alternation amount adjustment mechanism according to claim 3, wherein the connecting joint (50) is arranged through the sliding slot (41), wherein a part of the connecting joint (50) extending out of the sliding slot (41) is provided with a joint pin (51), and the telescopic driving member (30) can press the alternation amount lifting lever (40) through the joint pin (51) so that the alternation amount lifting lever (40) drives the presser foot lifting adjustment shaft (10) to rotate.
5. The presser foot alternation amount adjusting mechanism according to claim 1, wherein a plane (11) is opened on the presser foot elevation adjusting shaft (10), and the alternation amount elevation lever (40) abuts against the plane (11) and is limited and fixed by a limiting piece (12).
6. The presser foot alternation amount adjustment mechanism according to claim 5, wherein the stopper (12) is provided as a connection screw (121).
7. Presser foot alternation amount adjustment mechanism according to claim 1, wherein the telescopic driving member (30) is provided as a telescopic cylinder (301).
8. A sewing machine comprising a housing (200) and a presser foot alternating amount adjustment mechanism (100), the presser foot alternating amount adjustment mechanism (100) being provided inside the housing (200), characterized in that the presser foot alternating amount adjustment mechanism (100) is the presser foot alternating amount adjustment mechanism (100) according to any one of claims 1 to 7.
9. The sewing machine according to claim 8, wherein a thickness detection device (201) is provided on the machine housing (200), and the telescopic driving member (30) can control the rotation of the presser foot lift adjustment shaft (10) by using the thickness of the cloth detected by the thickness detection device (201) as an activation signal.
10. The sewing machine of claim 8, further comprising a controller capable of controlling the telescopic driving member (30) to reset based on an external signal or a number of maintained needle pitches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122838198.9U CN216237605U (en) | 2021-11-18 | 2021-11-18 | Presser foot alternating quantity adjusting mechanism and sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122838198.9U CN216237605U (en) | 2021-11-18 | 2021-11-18 | Presser foot alternating quantity adjusting mechanism and sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216237605U true CN216237605U (en) | 2022-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122838198.9U Active CN216237605U (en) | 2021-11-18 | 2021-11-18 | Presser foot alternating quantity adjusting mechanism and sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216237605U (en) |
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2021
- 2021-11-18 CN CN202122838198.9U patent/CN216237605U/en active Active
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