CN214572634U - Thread trimming device for sewing machine and sewing machine - Google Patents
Thread trimming device for sewing machine and sewing machine Download PDFInfo
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- CN214572634U CN214572634U CN202120552322.2U CN202120552322U CN214572634U CN 214572634 U CN214572634 U CN 214572634U CN 202120552322 U CN202120552322 U CN 202120552322U CN 214572634 U CN214572634 U CN 214572634U
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Abstract
The utility model relates to a sewing tool field provides a thread trimming device and sewing machine for sewing machine, include: a support assembly; a power lever hinged to the support assembly; the thread cutting assembly is movably arranged on the supporting assembly, a hook is arranged on the thread cutting assembly, and the hook is used for hooking a thread to be cut; the blade is detachably arranged on one side, provided with a hook, of the thread cutting assembly and used for cutting off a thread hooked by the hook. Compared with the prior art, the utility model has the advantages of set up the trimming subassembly through the activity on supporting component for the produced end of a thread of the suture after cutting is shorter than the end of a thread that traditional trimming device reserved, can make the seam body more pleasing to the eye like this, and this trimming device structure is simpler manufacturing cost lower, and the operation is convenience also more.
Description
Technical Field
The utility model relates to a sewing tool field specifically is a thread trimming device and sewing machine for sewing machine.
Background
The technology of the sewing machine is increasingly improved along with the high-speed development of the mechanical industry, in order to further reduce the working strength of sewing workers in the sewing industry, the sewing thread on the sewing machine and the sewing thread on the sewing body are automatically disconnected after the sewing of the sewing body is finished, and a thread trimming device for the sewing machine is born.
The chinese invention patent (application No. 201910614397.6), already in a public state, discloses a thread trimming device of a sewing machine, comprising: the device comprises a base, a driving mechanism arranged on the base, a traction piece connected with the driving mechanism, a thread cutting mechanism connected with the driving mechanism, a blowing mechanism connected with the traction piece, a rotating shuttle arranged in the thread cutting mechanism and a bottom thread detection sensor corresponding to the rotating shuttle; the traction piece is provided with a movable end, and the driving mechanism drives the movable end of the traction piece to swing around a preset axis; the blowing mechanism is driven by the traction piece to generate high-pressure airflow and blow the high-pressure airflow to an area between the bottom line detection sensor and the rotating shuttle; the driving mechanism drives the wire cutting mechanism to operate and simultaneously drives the blowing mechanism to operate, so that the blowing mechanism outputs high-pressure airflow to blow away the woolen yarns or the oil dirt near the wire cutting mechanism, the effect of automatically generating the high-pressure airflow is achieved, and the accumulated woolen yarns or the oil dirt can be cleaned more conveniently by utilizing the airflow.
But the thread end left on the suture body after the suture is cut off is long, and the structure is complex, and the manufacturing cost and the daily maintenance cost are high.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to prior art's current situation, and provide a thread trimming device and sewing machine for sewing machine.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: a thread trimming device for a sewing machine is provided, comprising:
a support assembly;
a power lever hinged to the support assembly;
the thread cutting assembly is movably arranged on the supporting assembly, a hook is arranged on the thread cutting assembly, and the hook is used for hooking a thread to be cut;
the blade is detachably arranged on one side, provided with a hook, of the thread cutting assembly and used for cutting off a thread hooked by the hook.
In the thread trimming device for the sewing machine, the supporting assembly comprises a base plate and a pressing plate, the pressing plate is arranged on the base plate, an inner space is formed between the base plate and the pressing plate, and the power rod is movably arranged in the inner space.
In the above thread trimming apparatus for a sewing machine, the thread trimming assembly includes:
the adjusting cross rod is hinged to one end of the power rod;
the hook is arranged at one end, far away from the adjusting cross rod, of the hook block;
and the swing angle adjusting plate is detachably arranged between the line hooking block and the pressing plate.
In foretell a thread trimming device for sewing machine, be equipped with a plurality of through-holes on adjusting the horizontal pole, the thread trimming subassembly still includes the bolt, the upper portion activity of bolt is inserted and is established in the through-hole, the power rod with adjust horizontal pole articulated one end and be equipped with the joint groove, the lower part of bolt with the joint groove activity is supported and is leaned on.
The utility model provides an above-mentioned technical problem still provides a sewing machine, including foretell thread trimmer devices who is used for sewing machine.
Compared with the prior art, the utility model has the advantages of set up the trimming subassembly through the activity on supporting component for the produced end of a thread of the suture after cutting is shorter than the end of a thread that traditional trimming device reserved, can make the seam body more pleasing to the eye like this, and this trimming device structure is simpler manufacturing cost lower, and the operation is convenience also more.
Drawings
FIG. 1 is a perspective view of a thread trimming device for a sewing machine according to the present invention;
FIG. 2 is an exploded view of a thread trimming device for a sewing machine according to the present invention;
in the figure, a supporting component 10, a bottom plate 11, a pressure plate 12, an inner space 13, a power rod 20, a clamping groove 21, a thread cutting component 30, a hook 31, an adjusting cross rod 32, a thread hooking block 33, a swing angle adjusting plate 34, a bolt 35, a through hole 321 and a blade 40.
Detailed Description
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
Furthermore, the descriptions in the present application as to "first," "second," "a," etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating a number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.
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 fig. 1 to fig. 2, the utility model discloses a sewing machine includes a trimming device for sewing machine, and this trimming device is used for the suture on the sewing machine and the line disconnection on the seam body after the completion of the concatenation of the seam body, the utility model discloses a trimming device for sewing machine, include: a support assembly 10, a power bar 20, a thread cutting assembly 30, and a blade 40.
Specifically, the power rod 20 is hinged on the support component 10;
the thread cutting assembly 30 is movably arranged on the supporting assembly 10, a hook 31 is arranged on the thread cutting assembly 30, and the hook 31 can be used for hooking a thread to be cut;
the blade 40 is detachably arranged at one side of the thread cutting assembly 30 provided with the hook 31, and the blade 40 is used for cutting off the thread hooked by the hook 31.
Will during the use the utility model discloses a frame part at sewing machine is installed to thread trimming device for sewing machine, sewing machine provides power source for power pole 20, make its seam body seam that can be on sewing machine accomplish the back, the couple 31 that drives on the thread trimming subassembly 30 catches on the suture, couple 31 catches on the suture after, blade 40 cuts the suture again, the produced end of a thread of suture after cutting is shorter than the end of a thread that traditional thread trimming device reserved, can make the seam body more pleasing to the eye like this, and this thread trimming device structure is simpler manufacturing cost lower, the operation is convenience also more.
Preferably, the supporting component 10 includes a bottom plate 11 and a pressing plate 12, the pressing plate 12 is disposed on the bottom plate 11, the pressing plate 12 can be formed by one-step molding with the bottom plate 11, and can be assembled on the bottom plate 11 by welding, and can also be detachably mounted on the bottom plate 11 by a connection manner such as a bolt and a nut, an internal space 13 is formed between the bottom plate 11 and the pressing plate 12, the power rod 20 is movably disposed in the internal space 13, and the internal space 13 formed by the pressing plate 12 and the bottom plate 11 being mounted together can facilitate the movement of the power rod 20, so that the power rod does not interfere with other components of the thread trimming device when in action.
Further, the thread trimming assembly 30 includes: an adjusting cross bar 32, a thread hooking block 33 and a swing angle adjusting plate 34.
Concretely, adjust the one end that the horizontal pole 32 articulated at power pole 20, collude the one end that line piece 33 articulated at adjusting horizontal pole 32, couple 31 sets up the one end of keeping away from adjusting horizontal pole 32 at colluding line piece 33, couple 31 and collude line piece 33 can be integrated into one piece, also can the components of a whole that can function independently setting, swing angle regulating plate 34 detachable sets up between colluding line piece 33 and clamp plate 12, swing angle regulating plate 34's effect is the wobbling angle of regulation colluding line piece 33, thereby make collude line piece 33 and can satisfy the demand of the seam body trimming of various sizes.
When the device is used, the power rod 20 acts to drive the adjusting cross rod 32 to swing back and forth along the length direction of the adjusting cross rod 32, the adjusting cross rod 32 drives the thread hooking block 33 hinged on the adjusting cross rod to act when swinging, the thread hooking block 33 drives the hook 31 arranged on the adjusting cross rod to hook a suture and move towards the cutting edge of the blade 40 when acting, and finally the blade 40 cuts the suture.
As a preferred scheme of the utility model, be equipped with a plurality of through-holes 321 on the regulation horizontal pole 32, it is preferred, the equidistant setting of through-hole 321 is on adjusting horizontal pole 32, trimming subassembly 30 still includes bolt 35, the upper portion of bolt 35 is inserted and is established in through-hole 321, power rod 20 is equipped with joint groove 21 with regulation horizontal pole 32 articulated one end, the lower part of bolt 35 supports with joint groove 21 activity and leans on, the setting of through-hole 321 can make things convenient for the swing range of regulation hook line piece 33 more, bolt 35 then can be so that adjust the connected mode between horizontal pole 32 and the power rod 20 simpler.
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 will be apparent to those skilled in the art without departing from the scope and spirit of the invention as defined in the accompanying claims.
Claims (5)
1. A thread trimming device for a sewing machine, comprising:
a support assembly;
a power lever hinged to the support assembly;
the thread cutting assembly is movably arranged on the supporting assembly, a hook is arranged on the thread cutting assembly, and the hook is used for hooking a thread to be cut;
the blade is detachably arranged on one side, provided with a hook, of the thread cutting assembly and used for cutting off a thread hooked by the hook.
2. The thread trimming apparatus for use in a sewing machine as claimed in claim 1, wherein the support assembly includes a base plate and a presser plate, the presser plate being disposed on the base plate, an interior space being defined between the base plate and the presser plate, the power rod being movably disposed within the interior space.
3. The thread trimming apparatus for sewing machines as claimed in claim 2, wherein the thread trimming assembly comprises:
the adjusting cross rod is hinged to one end of the power rod;
the hook is arranged at one end, far away from the adjusting cross rod, of the hook block;
and the swing angle adjusting plate is detachably arranged between the line hooking block and the pressing plate.
4. The thread trimming device for sewing machines as claimed in claim 3, wherein the adjusting cross bar is provided with a plurality of through holes, the thread trimming assembly further comprises a plug pin, an upper portion of the plug pin is movably inserted into the through holes, one end of the power rod hinged to the adjusting cross bar is provided with a clamping groove, and a lower portion of the plug pin is movably abutted against the clamping groove.
5. A sewing machine characterized by comprising the thread trimmer device for a sewing machine according to any one of claims 1 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120552322.2U CN214572634U (en) | 2021-03-17 | 2021-03-17 | Thread trimming device for sewing machine and sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120552322.2U CN214572634U (en) | 2021-03-17 | 2021-03-17 | Thread trimming device for sewing machine and sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214572634U true CN214572634U (en) | 2021-11-02 |
Family
ID=78354528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120552322.2U Active CN214572634U (en) | 2021-03-17 | 2021-03-17 | Thread trimming device for sewing machine and sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214572634U (en) |
-
2021
- 2021-03-17 CN CN202120552322.2U patent/CN214572634U/en active Active
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