CN217127707U - Upper tug mechanism with adjustable speed - Google Patents
Upper tug mechanism with adjustable speed Download PDFInfo
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- CN217127707U CN217127707U CN202122895760.1U CN202122895760U CN217127707U CN 217127707 U CN217127707 U CN 217127707U CN 202122895760 U CN202122895760 U CN 202122895760U CN 217127707 U CN217127707 U CN 217127707U
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- tug
- swing arm
- rotating
- mounting groove
- driving
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Abstract
The utility model discloses a tow boat mechanism on speed adjustable, include: the rotary tug is arranged above the working table of the sewing machine; the rotary tug is rotatably arranged on the tug bracket; the connecting swing arm is connected with the rotating tug and used for driving the rotating tug to rotate, and a first mounting groove is formed in the connecting swing arm; the driving connecting rod is movably connected with a first connecting part at one end, close to the connecting swing arm, and the first connecting part is arranged in the first mounting groove and can move along the length direction of the first mounting groove; and the locking component is arranged on the first connecting component and used for locking and positioning the first connecting component in the first mounting groove. The utility model discloses can promote the convenience that sewing machine used.
Description
Technical Field
The utility model relates to a sewing machine technical field especially relates to a tow boat mechanism on speed adjustable.
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, artificial fiber and the like and products such as leather, plastic, paper and the like, and the sewed stitches are neat, beautiful, flat and firm, the sewing speed is high, and the use is simple and convenient. And derives the artistic forms of hand-push embroidery, computer embroidery, etc.
The sewing machine is composed of four parts of machine head, machine base, transmission and accessories. The head is an essential part of the sewing machine. The sewing machine consists of four mechanisms of material needling, thread hooking, thread picking and feeding, auxiliary mechanisms of winding, material pressing, tooth falling and the like, and the motion of the mechanisms is reasonably matched and works circularly to sew up sewing materials. The machine base is divided into two forms of a bedplate and a machine box. The table of the table type machine base plays a role of supporting the machine head and is used as a working table during sewing operation.
The feeding mechanism in the prior art cannot be adjusted, particularly cannot adjust the feeding speed of the feeding mechanism, and causes inconvenience to the use of the sewing machine.
SUMMERY OF THE UTILITY MODEL
The utility model provides a tow boat mechanism on speed adjustable, it can promote the convenience that sewing machine used.
In order to solve the technical problem, the utility model provides a tow boat mechanism on speed adjustable, include:
the rotary tug is arranged above the working table of the sewing machine;
the rotary tug is rotatably arranged on the tug bracket;
the connecting swing arm is connected with the rotating tug and used for driving the rotating tug to rotate, and a first mounting groove is formed in the connecting swing arm;
the driving connecting rod is movably connected with a first connecting part at one end, close to the connecting swing arm, and the first connecting part is arranged in the first mounting groove and can move along the length direction of the first mounting groove;
and the locking component is arranged on the first connecting component and used for locking and positioning the first connecting component in the first mounting groove.
Preferably, the upper tug mechanism further comprises an installation support and a fastening component, wherein a second installation groove is formed in the installation support, and the fastening component penetrates through the second installation groove to be connected with the tug support.
Preferably, the upper tug mechanism further comprises a driving swing arm and a swing shaft, wherein the first end of the driving swing arm is movably connected with the driving connecting rod, and the second end of the driving swing arm is fixedly connected with the swing shaft relatively.
Preferably, the second end of the driving swing arm is detachably connected to the swing shaft.
Preferably, the second end of the driving swing arm is provided with a clamping sleeve, the clamping sleeve is sleeved on the swing shaft, and the clamping sleeve is locked and positioned on the swing shaft through a fastening connecting piece.
Preferably, as for the above technical solution, a first ball head portion is arranged on the first connecting component, one end of the driving connecting rod, which is close to the connecting swing arm, is in universal fit with the first ball head portion, the driving swing arm is connected with the driving connecting rod through a second connecting component, a second ball head portion is arranged on the second connecting component, and one end of the driving connecting rod, which is close to the driving swing arm, is in universal fit with the second ball head portion.
Preferably, in the above technical solution, the rotary tug is a one-way rotary tug.
Preferably, the one-way rotating wheel comprises a one-way bearing, an inner ring of the one-way bearing is mounted on the tug bracket, and an outer ring of the one-way bearing is connected with the connecting swing arm.
Preferably, the outer layer of the rotary tug is a soft layer.
Preferably, the number of the rotary tug wheels is two.
The utility model provides a speed-adjustable upper tug mechanism, which comprises a rotary tug, a tug bracket, a connecting swing arm, a driving connecting rod and a locking component, wherein the rotary tug is positioned above a working table surface of a sewing machine, the rotary tug is rotatably arranged on the tug bracket, the rotary tug mechanism can be matched with the tug of a lower tug mechanism to work, the rotary tug drives the reciprocating swing of the connecting swing arm through the activity of the driving connecting rod, the swing of the connecting swing arm drives the rotation of the rotary tug, a first mounting groove is arranged on the connecting swing arm, one end of the driving connecting rod, which is close to the connecting swing arm, is movably connected with the first connecting component, the first connecting component can move in the first mounting groove along the length direction, the locking component locks and positions the first connecting component in the first mounting groove, particularly, when the locking component is in a locking state, the first connecting component and the connecting swing arm are relatively fixed, and under locking part is in the open mode, first connecting part can remove along the length direction of first mounting groove, consequently when needs carry out speed control, only need open the position that locking part adjusted first connecting part and is in first mounting groove, when needs improve the slew velocity who rotates the tow boat, then adjust first connecting part orientation near the direction that rotates the tow boat, when needs reduce the slew velocity who rotates the tow boat, then adjust first connecting part orientation far away from the direction that rotates the tow boat, consequently the utility model discloses a tow boat mechanism can carry out speed control to rotating the tow boat as required on speed adjustable, and it can promote the convenience of sewing machine in the use.
The above description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following detailed description of the present invention is given.
Drawings
Fig. 1 is a schematic perspective view illustrating an upper tug mechanism with adjustable speed according to an embodiment of the present invention;
fig. 2 is a schematic perspective view of an upper tug mechanism with adjustable speed according to an embodiment of the present invention;
FIG. 3 is a schematic view showing a connection structure between an upper tug mechanism and a lower tug mechanism with adjustable speed according to an embodiment of the present invention;
in the figure: 10. rotating the tug; 20. connecting the swing arm; 30. a tug bracket; 40. a fastening member; 50. mounting a bracket; 60. a drive link; 70. driving the swing arm; 80. a first connecting member; 90. a second connecting member; 100. a swing shaft; 200. a work table; 300. a lower tug mechanism; 110. a locking member; 101. a one-way bearing; 102. a soft layer; 201. a first mounting groove; 501. a second mounting groove; 601. connecting the rod body; 602. a first ball head connecting part; 603. a second ball joint connection; 701. a clamping sleeve; 801. a first ball head portion; 901. a second ball head portion.
Detailed Description
To make the objects, features and advantages of the present invention more obvious and understandable, the embodiments of the present invention are described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 3, an embodiment of the present invention provides an upper tug mechanism with adjustable speed, including:
a rotary tug 10 arranged above a working table 200 of the sewing machine;
the tug bracket 30 is rotatably arranged on the tug bracket 30 by rotating the tug 10;
the connecting swing arm 20 is connected with the rotating tug 10 and used for driving the rotating tug 10 to rotate, and a first mounting groove 201 is formed in the connecting swing arm 20;
a driving link 60, one end of the driving link 60 near the connecting swing arm 20 being movably connected to the first connecting member 80, the first connecting member 80 being disposed in the first mounting groove 201 and the first connecting member 80 being movable in a length direction of the first mounting groove 201;
and a locking part 110 provided on the first coupling part 80, the locking part 110 for locking and positioning the first coupling part 80 in the first mounting groove 201.
The embodiment provides an upper tug mechanism with adjustable speed, which comprises a rotary tug 10, a tug bracket 30, a connecting swing arm 20, a driving connecting rod 60 and a locking component 110, wherein the rotary tug 10 is positioned above a working table 200 of a sewing machine and is rotatably arranged on the tug bracket 30, and can be matched with the tug of a lower tug mechanism 300 to work during working, the rotary tug is driven to reciprocate by the activity of the driving connecting rod 60 and is connected with the swing arm 20, the swing of the connecting swing arm 20 drives the rotary tug 10 to rotate, a first mounting groove 201 is arranged on the connecting swing arm 20, one end of the driving connecting rod 60, which is close to the connecting swing arm 20, is movably connected with a first connecting component 80, the first connecting component 80 can move in the first mounting groove 201 along the length direction, the locking component 110 locks and positions the first connecting component 80 in the first mounting groove 201, when the locking assembly 110 is in the locked state, the first connecting member 80 is fixed relative to the connecting swing arm 20, and, when the locking part 110 is in the opened state, the first connection part 80 can be moved along the length direction of the first mounting groove 201, therefore, when the speed adjustment is required, it is only necessary to open the locking unit 110 to adjust the position of the first coupling unit 80 in the first mounting groove 201, and when it is required to increase the rotation speed of the rotatable tug 10, the first coupling member 80 is adjusted in a direction to approach the rotating tug, and when it is desired to reduce the rotational speed of the rotating tug 10, the first link member 80 is adjusted in a direction away from the rotating tug 10, so that the speed-adjustable upper tug mechanism of the embodiment can adjust the speed of the rotating tug 10 as needed, which can improve the convenience of the sewing machine in use.
In a further embodiment of the present embodiment, the upper tug mechanism further comprises a mounting bracket 50 and a fastening member 40, wherein a second mounting groove 501 is formed on the mounting bracket 50, and the fastening member 40 is connected with the tug bracket 30 through the second mounting groove 501.
The second mounting groove 501 is formed in the mounting bracket 50 in this embodiment, when the tug bracket 30 is adjusted, the fastening member 40 needs to be unscrewed, then the fastening member 40 is moved in the mounting groove, and the fastening member 40 is screwed again after the mounting bracket is moved in place, so that the position of the rotary tug 10 in this embodiment can be adjusted, and therefore, the rotary tug 10 can be adjusted according to the specific situation of sewing fabrics, and the convenience of the sewing machine is further improved.
Specifically, the first mounting groove 201 and the second mounting groove 501 in the present embodiment are both kidney-shaped grooves.
In a further implementation manner of this embodiment, the upper tug mechanism further includes a driving swing arm 70 and a swing shaft 100, a first end of the driving swing arm 70 is movably connected with the driving link 60, and a second end of the driving swing arm 70 is relatively fixedly connected with the swing shaft 100.
In this embodiment, the swing shaft 100 drives the driving swing arm 70 to swing back and forth, and the swing of the driving swing arm 70 drives the driving link 60 to move up and down, so that the transmission in this embodiment is more stable.
In a further embodiment of this embodiment, the second end of the driving swing arm 70 is detachably connected to the swing shaft 100.
The drive swing arm 70 in the present embodiment is detachable with respect to the swing shaft 100, so that it can facilitate installation and maintenance of the drive swing arm 70.
In a further embodiment of this embodiment, the second end of the driving swing arm 70 is provided with a clamping sleeve 701, the clamping sleeve 701 is sleeved on the swing shaft 100, and the clamping sleeve 701 is locked and positioned on the swing shaft 100 by a fastening connection.
The driving swing arm 70 in this embodiment realizes locking and positioning of the driving swing arm 70 through the clamping sleeve 701 and the fastening connector, so that the installation and the disassembly are more convenient, and the driving swing arm 70 can be conveniently adjusted in angle.
In particular, the clamping shoe 701 in this embodiment is provided with an opening and with mounting holes on both sides of the opening, in which mounting holes fastening connections are provided, which fastening connections are tightened to achieve a locking position of the clamping shoe 701, while the clamping shoe 701 can be adjusted on the pivot axis 100 after the fastening connections are loosened.
In a further alternative embodiment of this embodiment, the first connecting part 80 is provided with a first spherical head part 801, one end of the driving connecting rod 60 close to the connecting swing arm 20 is in universal fit with the first spherical head part 801, the driving swing arm 70 is connected with the driving connecting rod 60 through a second connecting part 90, the second connecting part 90 is provided with a second spherical head part 901, and one end of the driving connecting rod 60 close to the driving swing arm 70 is in universal fit with the second spherical head part 901.
Specifically, the driving link 60 in this embodiment includes a connecting rod 601, a first ball-head connecting portion 602, and a second ball-head connecting portion 603, two ends of the connecting rod 601 are respectively connected to the first ball-head connecting portion 602 and the second ball-head connecting portion 603 by threads, and inner spherical surfaces are disposed on the first ball-head connecting portion 602 and the second ball-head connecting portion 603, and are matched with outer spherical surfaces on the first ball-head portion 801 and the second ball-head portion 901.
In this embodiment, when the transverse position of the rotary tug 10 is adjusted, the driving link 60 needs to move to the side, and the two ends of the driving link 60 in this embodiment are respectively and universally matched with the first spherical head portion 801 and the second spherical head portion 901, so that the movable connection of the driving link 60 can be met, and the position change can be conveniently realized, and therefore, the position adjustment of the rotary tug 10 can be more conveniently realized
In a further embodiment of this embodiment, the rotating tug 10 is a single direction rotating tug.
The rotation tow boat 10 in this embodiment can unidirectional rotation, specifically speaking, the rotation tow boat 10 in this embodiment is at the reciprocal swing in-process of connecting swing arm 20, it can drive the rotation tow boat 10 and rotate forward to connect swing arm 20 toward first direction wobbling in-process, and it can not follow to connect swing arm 20 and rotate backward to connect swing arm 20 to rotate tow boat 10 toward second direction wobbling in-process, guarantee to rotate tow boat 10 and be unidirectional rotation only with this, further guarantee to rotate that tow boat 10 can unidirectional transport surface fabric.
In a further implementation manner of the present embodiment, the unidirectional rotation wheel includes a unidirectional bearing 101, an inner ring of the unidirectional bearing 101 is mounted on the tug bracket 30, and an outer ring of the unidirectional bearing is connected with the connecting swing arm 20.
The unidirectional rotation roller in this embodiment adopts the unidirectional bearing 101, so that the overall structure is not only simple in structure but also can facilitate unidirectional rotation.
In a further implementation manner of the present embodiment, the outer layer of the rotating tug 10 is a soft layer 102.
The outermost side of the rotary tug 10 in this embodiment is provided with the soft layer 102, which can prevent the fabric from being damaged when contacting with the fabric, and can increase the contact friction force to prevent slipping.
In a further embodiment of the present embodiment, the number of the rotating tugs 10 is two.
The two rotary tugs 10 in the embodiment can be adjusted, so that the conveying of different fabrics can be met by adjusting the distance between the two rollers 10.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Moreover, various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without being mutually inconsistent.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A speed-adjustable upper tug mechanism, comprising:
the rotary tug is arranged above the working table of the sewing machine;
the rotary tug is rotatably arranged on the tug bracket;
the connecting swing arm is connected with the rotating tug and used for driving the rotating tug to rotate, and a first mounting groove is formed in the connecting swing arm;
the driving connecting rod is movably connected with a first connecting part at one end, close to the connecting swing arm, and the first connecting part is arranged in the first mounting groove and can move along the length direction of the first mounting groove;
and the locking component is arranged on the first connecting component and used for locking and positioning the first connecting component in the first mounting groove.
2. The adjustable speed upper tug mechanism of claim 1 further comprising a mounting bracket having a second mounting slot and a fastening member coupled to the tug bracket through the second mounting slot.
3. The upper tug mechanism of claim 1 further comprising a drive swing arm and a swing shaft, wherein a first end of the drive swing arm is movably connected to the drive link, and a second end of the drive swing arm is fixedly connected to the swing shaft.
4. The adjustable speed upper tug mechanism of claim 3 wherein a second end of said drive swing arm is removably coupled to said swing shaft.
5. The upper tug mechanism with adjustable speed of claim 3, wherein a clamping sleeve is arranged at a second end of the driving swing arm, the clamping sleeve is sleeved on the swinging shaft, and the clamping sleeve is locked and positioned on the swinging shaft through a fastening connecting piece.
6. The upper tug mechanism of claim 3 wherein the first link member is provided with a first ball head portion, the end of the drive link proximate the link swing arm is in universal engagement with the first ball head portion, the drive swing arm is connected to the drive link via a second link member, the second link member is provided with a second ball head portion, and the end of the drive link proximate the drive swing arm is in universal engagement with the second ball head portion.
7. The adjustable speed upper tug mechanism of claim 1 wherein said rotating tug is a single direction rotating tug.
8. The upper tug mechanism of claim 7 wherein the one-way rotating tug includes a one-way bearing, an inner race of the one-way bearing being mounted on the tug holder, an outer race of the one-way bearing being connected to the connecting swing arm.
9. The adjustable speed upper tug mechanism of claim 1 wherein an outer layer of the rotating tug is a flexible layer.
10. The adjustable speed upper tug mechanism of claim 1 wherein there are two rotating tugs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122895760.1U CN217127707U (en) | 2021-11-24 | 2021-11-24 | Upper tug mechanism with adjustable speed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122895760.1U CN217127707U (en) | 2021-11-24 | 2021-11-24 | Upper tug mechanism with adjustable speed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217127707U true CN217127707U (en) | 2022-08-05 |
Family
ID=82616912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122895760.1U Active CN217127707U (en) | 2021-11-24 | 2021-11-24 | Upper tug mechanism with adjustable speed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217127707U (en) |
-
2021
- 2021-11-24 CN CN202122895760.1U patent/CN217127707U/en active Active
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