CN210886511U - Sewing machine with novel chassis structure - Google Patents

Sewing machine with novel chassis structure Download PDF

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Publication number
CN210886511U
CN210886511U CN201921553871.0U CN201921553871U CN210886511U CN 210886511 U CN210886511 U CN 210886511U CN 201921553871 U CN201921553871 U CN 201921553871U CN 210886511 U CN210886511 U CN 210886511U
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China
Prior art keywords
shaft
rotating
sleeved
sewing machine
rotating shuttle
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CN201921553871.0U
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Chinese (zh)
Inventor
阮孟定
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Zhejiang Duma Sewing Machine Co ltd
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Zhejiang Duma Sewing Machine Co ltd
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Priority to CN201921553871.0U priority Critical patent/CN210886511U/en
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Abstract

The utility model belongs to the technical field of sewing machines, in particular to a sewing machine with a novel chassis structure, which comprises a base, wherein the base comprises an upper shaft driving area, a power driving area and a rotating shuttle area, and the power driving area is arranged between the upper shaft driving area and the rotating shuttle area; the rotating shuttle area comprises a rotating shuttle and a transmission assembly, the rotating shuttle is connected with the transmission assembly through a connecting shaft, and the transmission assembly is driven through the power driving area to drive the connecting shaft to rotate, so that the rotating shuttle rotates. The utility model discloses a move transmission assembly's position from the upper shaft drive district to the rotating shuttle district to thereby it is connected with transmission assembly not to need the connecting axle to pass the power drive district, and then can distinguish the lug connection at the rotating shuttle, so shortened the length of connecting axle. Therefore, the processing precision is much lower than that of the original long connecting shaft, so that the processing is convenient, and when the sewing machine runs, the rotating stability is much better than that of the original connecting shaft, so that the service life is longer.

Description

Sewing machine with novel chassis structure
Technical Field
The utility model belongs to the technical field of sewing machine, refer in particular to a sewing machine with novel chassis structure.
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 automatic rotating shuttle machine comprises a machine head and a base, wherein the base comprises an upper shaft driving area, a power driving area and a rotating shuttle area, wherein the power driving area provides power to drive the rotating shuttle area and the upper shaft driving area respectively so as to realize the rotation of the rotating shuttle and the upper shaft.
Meanwhile, the rotating shuttle is used for forming stitches and is connected with the power driving area through the transmission assembly, and the rotating shuttle is connected with the transmission assembly through a connecting shaft. However, the transmission assembly is generally located in the upper shaft driving region, and therefore the connecting shaft is connected with the transmission assembly by passing through the power driving region, so that the overall length of the connecting shaft is long.
Therefore, when the connecting shaft is manufactured, the coaxiality and the jumping tolerance of the whole connecting shaft are difficult to grasp due to the length. And because the precision is not good to hold, so when the sewing machine operates, the connecting shaft is required to rotate at high speed, but only two ends are fixed, the rotation of the connecting shaft is unstable, namely, the connecting shaft fluctuates, or deviation is generated, even cracks are generated due to long-time work, and the service life is shortened.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a sewing machine with novel chassis structure removes to rotating shuttle district from the upper shaft drive district through the position with drive assembly to the length of connecting axle has been shortened, and then the longer and problem that leads to of length of solving the connecting axle.
The purpose of the utility model is realized like this:
a sewing machine with a novel chassis structure comprises a base, wherein the base comprises an upper shaft driving area, a power driving area and a rotating shuttle area, and the power driving area is arranged between the upper shaft driving area and the rotating shuttle area;
the rotating shuttle area comprises a rotating shuttle and a transmission assembly, the rotating shuttle is connected with the transmission assembly through a connecting shaft, and the transmission assembly is driven through the power driving area to drive the connecting shaft to rotate, so that the rotating shuttle rotates.
On the basis of the above scheme, a further improved or preferred scheme further comprises:
preferably, the rotating shuttle area is covered with an oil pan, and a partition is arranged between the oil pan and the transmission assembly.
Preferably, the connecting shaft is sleeved with a sleeve, a trimming structure is sleeved outside the sleeve, and the trimming structure is connected with the trimming shaft through a synchronous structure;
mounting holes are formed in the two ends of the oil disc, a power source is arranged in the power driving area, and the thread cutting shaft penetrates through the mounting holes to be connected with the power source.
Preferably, the transmission assembly comprises a main gear and an auxiliary gear, the main gear and the auxiliary gear are meshed with each other, the auxiliary gear is sleeved on the connecting shaft, and the rotating shuttle is sleeved at one end of the connecting shaft;
the power driving area comprises a motor, the motor drives the main gear to rotate through the connecting rod assembly, so that the auxiliary gear rotates, and then the connecting shaft is driven to rotate, so that the rotating shuttle rotates.
Preferably, the base is provided with a lower shaft, the main gear is sleeved on the lower shaft, and the lower shaft is connected with the connecting rod assembly;
the upper shaft driving area comprises a belt pulley set used for driving the upper shaft to rotate, and the lower shaft penetrates through the power driving area to be connected with the belt pulley set.
Preferably, the connecting rod assembly comprises a rotating shaft, a swinging piece and a connecting rod, the swinging piece is sleeved on the rotating shaft, the swinging piece is connected with the connecting rod, and the connecting rod is sleeved on the lower shaft;
the motor is provided with an output shaft, and the output shaft is connected with the rotating shaft through a connecting rod.
Preferably, the connecting rod is provided with the fixed axle, the axis of rotation is provided with joint portion, and joint portion has seted up the draw-in groove, and the fixed axle joint is in the draw-in groove.
Preferably, the swinging part is provided with a swinging part, a first rotating rod and a second rotating rod are arranged at two ends of the swinging part, and the two rotating rods are sleeved with the connecting rod;
the swing piece is provided with a first connecting hole and a second connecting hole, the first connecting hole and the second connecting hole are sleeved on the rotating shaft, and the second connecting hole is sleeved on the first rotating rod.
Preferably, the lower shaft sleeve is provided with a first rotating part which is connected with one end of the tooth rack;
the connecting rod assembly is connected with a second rotating part, the second rotating part is sleeved on the tooth frame shaft, a third rotating part is sleeved on the tooth frame shaft, and the third rotating part is connected with the other end of the tooth frame.
Compared with the prior art, the utility model outstanding and profitable technological effect is:
the utility model discloses a move transmission assembly's position from the upper shaft drive district to the rotating shuttle district to thereby it is connected with transmission assembly not to need the connecting axle to pass the power drive district, and then can distinguish the lug connection at the rotating shuttle, so shortened the length of connecting axle. And because the length of the connecting shaft is shortened, the machining precision is much lower than that of the original long connecting shaft, so that the sewing machine is convenient to machine, and because of the shortening of the length, the rotating stability of the sewing machine is much better than that of the original sewing machine, thereby having longer service life compared with the original prior art.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic view of a structure associated with the rotating shuttle zone;
FIG. 3 is a second schematic diagram of the structure associated with the rotating shuttle zone;
FIG. 4 is a schematic view of a related structure of the motor;
FIG. 5 is a simplified view of a dental framework;
FIG. 6 is one of the relevant structures of an oil pan;
fig. 7 shows a second related structure of the oil pan.
In the figure: 1-a base; 2-upper axis drive zone; 3-a power drive zone; 4-a rotating shuttle area;
5-rotating shuttle; 6-a transmission assembly; 7-a connecting shaft; 8-main gear; 9-pinion gear;
10-a motor; 11-a connecting-rod assembly; 12-lower shaft; 13-pulley set; 14-a rotating shaft;
15-a swinging member; 16-a connecting rod; 18-an output shaft; 19-a connecting rod; 20-a fixed shaft;
21-a clamping part; 22-a card slot; 23-a swing part; 24-rotating the first rod; 25-rotating the second rod;
26-connecting hole one; 27-connecting hole two; 28-a first rotating part; 29-dental articulator;
30-a second rotating member; 31-a dental framework shaft; 32-rotating part three; 33-an oil pan; 34-a separator;
35-a cannula; 36-a trimming structure; 37-a synchronization structure; 38-shear spool; 39-mounting holes;
40-power source.
Detailed Description
The following describes the present invention in further detail with reference to the accompanying drawings.
Referring to fig. 1, 2 and 3, a sewing machine with a novel chassis structure is known, which includes a base 1, wherein the base 1 includes an upper shaft driving area 2, a power driving area 3 and a rotating shuttle area 4, and the rotating shuttle area 4 includes a rotating shuttle 5 and a transmission assembly 6, and the rotating shuttle 5 is connected with the transmission assembly 6 through a connecting shaft 7.
Therefore, in the actual use process, the power driving area 3 drives the transmission assembly 6 to drive the connecting shaft 7 to rotate, so that the rotating shuttle 5 rotates. It can be known simultaneously the utility model discloses remove the position of transmission assembly 6 to rotating shuttle district 4 from original upper shaft drive district 2 to thereby it is connected with transmission assembly 7 not need connecting axle 7 to pass power drive district 3, and then can distinguish 4 lug connection at rotating shuttle, so shortened the length of connecting axle 7. And because the length of the connecting shaft 7 is shortened, the machining precision is much lower than that of the original long connecting shaft 7, so that the sewing machine is convenient to machine, and because of the shortened length, the rotating stability of the sewing machine is much better than that of the original sewing machine, thereby having longer service life compared with the original prior art.
Meanwhile, the utility model discloses there are other parts including aircraft nose and realization sewing machine essential function, but because the core of the utility model is at base 1, and aircraft nose and other parts are prior art, therefore not too much description.
Referring to fig. 2 and 3, it can be seen that the transmission assembly 6 includes a main gear 8 and a pinion gear 9, wherein the main gear 8 and the pinion gear 9 are engaged with each other, the pinion gear 9 is sleeved on the connecting shaft 7, and the rotating shuttle 5 is sleeved on one end of the connecting shaft 7. And the power driving area 3 comprises a motor 10, and the motor 10 drives the main gear 8 to rotate through a connecting rod assembly 11.
Therefore, in the actual use process, the motor 10 drives the main gear 8 to rotate before driving the connecting rod assembly 11, and the main gear 8 and the pinion 9 are meshed with each other, so that the main gear 8 rotates to enable the pinion 9 to rotate, meanwhile, the pinion 9 is sleeved on the connecting shaft 7, and therefore, the pinion 9 rotates to drive the connecting shaft 7 to rotate, and further, the rotating shuttle 5 sleeved on the connecting shaft 7 is driven. The rotation is realized through simple structure promptly, guarantees the stability of structure promptly and is convenient for processing and installation.
Referring to fig. 1 and 2, it can be seen that the base 1 is provided with a lower shaft 12, the main gear 8 is sleeved on the lower shaft 12, and the lower shaft 12 is connected to the connecting rod assembly 11.
Referring to fig. 4 in detail, it can be seen that the connecting rod assembly 11 includes a rotating shaft 14, a swinging member 15 and a connecting rod 16, the swinging member 15 is sleeved on the rotating shaft 14, the swinging member 15 is connected to the connecting rod 16, and the connecting rod 16 is sleeved on the lower shaft 12.
The concrete connection structure of the swinging member 15 and the connecting rod 16 is as follows: first, the swing member 15 is provided with a swing portion 23, and the swing portion 23 is provided with a first rotating rod 24 and a second rotating rod 25 at two ends thereof, and the swing member 15 is provided with a first connecting hole 26 and a second connecting hole 27.
Therefore, during installation, the second rotating rod 25 is sleeved with the connecting rod 16, the second connecting hole 27 is sleeved on the first rotating rod 24, and the first connecting hole 26 is sleeved on the rotating shaft 14, so that connection among the swinging piece 15, the connecting rod 16 and the rotating shaft 14 is realized. The connection is realized through a simple structure, namely, the stability of the structure is ensured, and the processing and the installation are convenient.
While the motor 10 is provided with an output shaft 18, the output shaft 18 being connected to the rotary shaft 14 via a connecting rod 19. The specific connection between the connecting rod 19 and the rotating shaft 14 is as follows: first, the connecting rod 19 is provided with a fixing shaft 20, the rotating shaft 14 is provided with a clamping portion 21, the clamping portion 21 is provided with a clamping groove 22, and the connecting rod 19 and the rotating shaft 14 are connected by clamping the fixing shaft 20 in the clamping groove 22. The connection is realized through a simple structure, namely, the stability of the structure is ensured, and the processing and the installation are convenient.
Therefore, in the actual use process, the motor 10 drives the output shaft 18 to rotate, so as to drive the connecting rod 19 to rotate, and further drive the rotating shaft 14 to rotate; meanwhile, the rotating shaft 14 rotates to drive the swinging piece 15 to rotate, so that the swinging piece 23 rotates; and the swing member 23 rotates to drive the link 16, thereby rotating the lower shaft 12, and the lower shaft 12 rotates to drive the main gear 8, thereby rotating the pinion 9, thereby driving the connecting shaft 7 to rotate, thereby rotating the rotary shuttle 5. The rotation is realized through simple structure promptly, guarantees the stability of structure promptly and is convenient for processing and installation.
Referring to fig. 1 and 2, it can be seen that the upper shaft driving section 2 includes a pulley set 13 for driving the upper shaft to rotate, and the lower shaft 12 passes through the power driving section 3 and is connected to the pulley set 13.
Thus, in actual use, the motor 10 can not only rotate the rotating shuttle 5 but also rotate the upper shaft. The belt pulley set 13 includes a main pulley and an auxiliary pulley, and the main pulley and the auxiliary pulley are connected through a belt, wherein the main pulley is sleeved on the lower shaft 12, and the auxiliary pulley is sleeved on the upper shaft. The specific process is that the lower shaft 12 is driven to rotate by the motor 10, so as to drive a main wheel sleeved on the lower shaft 12 to rotate, and meanwhile, the main wheel rotates to drive a belt to move, so that an auxiliary wheel is transferred, and the upper shaft rotates. The rotation is realized through simple structure promptly, guarantees the stability of structure promptly and is convenient for processing and installation.
The motor 10 can also drive the tooth rack 29 to move, and the specific structure is shown in fig. 5: the lower shaft 12 is sleeved with a first rotating part 28, and the first rotating part 28 is connected with one end of a tooth rack 29;
the link assembly 11 is connected with a second rotating part 30, the second rotating part 30 is sleeved on a tooth rack shaft 31, a third rotating part 32 is sleeved on the tooth rack shaft 31, and the third rotating part 32 is connected with the other end of the tooth rack 29.
Also as shown in fig. 6, the hook area 4 is covered with an oil pan 33, and a bulkhead 34 is provided between the oil pan 33 and the transmission assembly 6. Wherein the oil pan 33 is a part of the entire apparatus for storing oil, and the partition 34 also has oil placed therein for lubricating the main gear 8 and reducing wear by the lubrication, thereby extending the life.
As shown in fig. 7, mounting holes 39 are opened at both ends of the oil pan 33 for passing the shear line shaft 38 therethrough. In the related structure of the cutting spool 38, the cutting structure 36 is connected to the cutting spool 38 through the synchronizing structure 37, and the cutting spool 38 is connected to the power source 40 through the mounting hole 39.
The trimming structure 36 is sleeved on the sleeve 35, the sleeve 35 is sleeved on the connecting shaft 7, and the power source 40 is disposed in the power driving region 3. Thus, in use, the power source 40 rotates the trimming shaft 38 to operate the synchronization mechanism 37 and thus the trimming mechanism 36. The trimming is realized through a simple structure, namely, the stability of the structure is ensured, and the processing and the installation are convenient.
And the thread cutting structure 36 is composed of two cutters, and when the two cutters are meshed to exceed about 0.5mm, thread can be cut. Meanwhile, the synchronous structure 37 is a structure for synchronously driving the two cutters to rotate, and the cutting-line shaft 38 passes through the mounting hole 39 and is connected with the power source 40, so that the lubricating effect on the cutting-line shaft 38 can be achieved. And the rotation of the connecting shaft 7 itself does not affect the operation of the trimming structure 36 due to the action of the sleeve 35.
The specific working process of the scheme is as follows:
the utility model discloses remove transmission assembly 6's position from original upper shaft drive district 2 to rotating shuttle district 4 to thereby it is connected with transmission assembly 7 not need connecting axle 7 to pass power drive district 3, and then can distinguish 4 lug connection at rotating shuttle, so shortened the length of connecting axle 7. And because the length of the connecting shaft 7 is shortened, the machining precision is much lower than that of the original long connecting shaft 7, so that the sewing machine is convenient to machine, and because of the shortened length, the rotating stability of the sewing machine is much better than that of the original sewing machine, thereby having longer service life compared with the original prior art.
The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (9)

1. A sewing machine with a novel chassis structure comprises a base (1), and is characterized in that: the base (1) comprises an upper shaft driving area (2), a power driving area (3) and a rotating shuttle area (4), and the power driving area (3) is arranged between the upper shaft driving area (2) and the rotating shuttle area (4);
the rotating shuttle area (4) comprises a rotating shuttle (5) and a transmission assembly (6), the rotating shuttle (5) is connected with the transmission assembly (6) through a connecting shaft (7), and the transmission assembly (6) is driven through the power driving area (3) to drive the connecting shaft (7) to rotate, so that the rotating shuttle (5) rotates.
2. The sewing machine with the novel chassis structure as claimed in claim 1, wherein: the rotating shuttle area (4) is covered with an oil pan (33), and a partition plate (34) is arranged between the oil pan (33) and the transmission assembly (6).
3. The sewing machine with the novel chassis structure as claimed in claim 2, wherein: the connecting shaft (7) is sleeved with a sleeve (35), a trimming structure (36) is sleeved outside the sleeve (35), and the trimming structure (36) is connected with a trimming shaft (38) through a synchronous structure (37);
mounting holes (39) are formed in the two ends of the oil disc (33), a power source (40) is arranged in the power driving area (3), and the thread cutting shaft (38) penetrates through the mounting holes (39) to be connected with the power source (40).
4. The sewing machine with the novel chassis structure as claimed in claim 1, wherein: the transmission assembly (6) comprises a main gear (8) and an auxiliary gear (9), the main gear (8) and the auxiliary gear (9) are meshed with each other, the auxiliary gear (9) is sleeved on the connecting shaft (7), and the rotating shuttle (5) is sleeved at one end of the connecting shaft (7);
the power driving area (3) comprises a motor (10), the motor (10) drives the main gear (8) to rotate through the connecting rod assembly (11), so that the pinion (9) rotates, and then the connecting shaft (7) is driven to rotate, so that the rotating shuttle (5) rotates.
5. The sewing machine with the novel chassis structure as claimed in claim 4, wherein: a lower shaft (12) is arranged on the base (1), the main gear (8) is sleeved on the lower shaft (12), and the lower shaft (12) is connected with the connecting rod assembly (11);
the upper shaft driving area (2) comprises a belt pulley set (13) for driving the upper shaft to rotate, and the lower shaft (12) penetrates through the power driving area (3) and is connected with the belt pulley set (13).
6. A sewing machine with a novel chassis structure according to claim 4 or 5, characterized in that: the connecting rod assembly (11) comprises a rotating shaft (14), a swinging piece (15) and a connecting rod (16), the swinging piece (15) is sleeved on the rotating shaft (14), the swinging piece (15) is connected with the connecting rod (16), and the connecting rod (16) is sleeved on the lower shaft (12);
the motor (10) is provided with an output shaft (18), and the output shaft (18) is connected with the rotating shaft (14) through a connecting rod (19).
7. The sewing machine with the novel chassis structure as claimed in claim 6, wherein: the connecting rod (19) is provided with a fixing shaft (20), the rotating shaft (14) is provided with a clamping portion (21), the clamping portion (21) is provided with a clamping groove (22), and the fixing shaft (20) is clamped in the clamping groove (22).
8. The sewing machine with the novel chassis structure as claimed in claim 6, wherein: the swing piece (15) is provided with a swing piece (23), a first rotating rod (24) and a second rotating rod (25) are arranged at two ends of the swing piece (23), and the second rotating rod (25) is sleeved with the connecting rod (16);
a first connecting hole (26) and a second connecting hole (27) are formed in the swinging piece (15), the first connecting hole (26) is sleeved on the rotating shaft (14), and the second connecting hole (27) is sleeved on the first rotating rod (24).
9. The sewing machine with the novel chassis structure as claimed in claim 5, wherein: the lower shaft (12) is sleeved with a first rotating part (28), and the first rotating part (28) is connected with one end of a tooth rack (29);
the connecting rod assembly (11) is connected with a second rotating part (30), the second rotating part (30) is sleeved on the tooth rack shaft (31), a third rotating part (32) is sleeved on the tooth rack shaft (31), and the third rotating part (32) is connected with the other end of the tooth rack (29).
CN201921553871.0U 2019-09-18 2019-09-18 Sewing machine with novel chassis structure Active CN210886511U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921553871.0U CN210886511U (en) 2019-09-18 2019-09-18 Sewing machine with novel chassis structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921553871.0U CN210886511U (en) 2019-09-18 2019-09-18 Sewing machine with novel chassis structure

Publications (1)

Publication Number Publication Date
CN210886511U true CN210886511U (en) 2020-06-30

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ID=71332149

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921553871.0U Active CN210886511U (en) 2019-09-18 2019-09-18 Sewing machine with novel chassis structure

Country Status (1)

Country Link
CN (1) CN210886511U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114934357A (en) * 2022-06-10 2022-08-23 浙江多乐缝纫机有限公司 Sewing machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114934357A (en) * 2022-06-10 2022-08-23 浙江多乐缝纫机有限公司 Sewing machine

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Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: Sewing machine with novel chassis structure

Effective date of registration: 20210913

Granted publication date: 20200630

Pledgee: Zhejiang Tailong commercial bank Taizhou branch of Limited by Share Ltd.

Pledgor: ZHEJIANG DUMA SEWING MACHINE Co.,Ltd.

Registration number: Y2021330001536