CN216514557U - Transmission structure and sewing machine with same - Google Patents
Transmission structure and sewing machine with same Download PDFInfo
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- CN216514557U CN216514557U CN202122293868.3U CN202122293868U CN216514557U CN 216514557 U CN216514557 U CN 216514557U CN 202122293868 U CN202122293868 U CN 202122293868U CN 216514557 U CN216514557 U CN 216514557U
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- needle bar
- needle
- transmission
- guide sleeve
- transmission structure
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Abstract
The utility model provides a transmission structure and a sewing machine with the same, wherein the transmission structure is used for driving a needle of the sewing machine to move, and comprises: a needle bar part movably arranged, the machine needle is arranged at one end of the needle bar part; the transmission rod is connected with the shell of the sewing machine in a relatively movable way; one end of the connecting component is fixedly connected with the transmission rod, and the other end of the connecting component is connected with the needle rod component; the needle bar member is rotatably disposed with respect to the connecting member. When the transmission rod moves, the transmission rod drives the needle rod part to move through the connecting part, and the transmission structure solves the problem that a pressure rod of a sewing machine in the prior art is easy to damage in work.
Description
Technical Field
The utility model relates to the field of sewing machines, in particular to a transmission structure and a sewing machine with the same.
Background
In the existing sewing machine, a needle bar of the sewing machine drives a needle to move up and down to complete a sewing operation, and the needle bar is usually moved by driving the needle bar to move by an air cylinder, thereby driving the needle to move.
However, such a driving method causes the needle bar between the needle bar and the cylinder to be subjected to a relatively large shearing force, which may cause damage such as bending or dislocation of the needle bar during long-term use, thereby affecting the performance of the sewing machine.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a transmission structure and a sewing machine with the same, so as to solve the problem that a pressure rod of the sewing machine in the prior art is easy to damage in working.
In order to achieve the above object, according to one aspect of the present invention, there is provided a transmission structure for driving a needle of a sewing machine to move, the transmission structure comprising: the needle bar component is movably arranged, and the machine needle is arranged at one end of the needle bar component; the transmission rod is connected with the shell of the sewing machine in a relatively movable way; one end of the connecting component is fixedly connected with the transmission rod, and the other end of the connecting component is connected with the needle rod component; the needle bar member is rotatably disposed with respect to the connecting member. When the transmission rod moves, the transmission rod drives the needle rod part to move through the connecting part.
Furthermore, the connecting part comprises a first connecting part connected with the transmission rod, and the first connecting part is sleeved on the transmission rod.
Further, the first connecting part comprises two oppositely arranged connecting blocks, and the two connecting blocks are oppositely arranged to form a fixing space for sleeving the transmission rod; the transmission structure further comprises a first fastener, the first fastener penetrates through the two connecting blocks, the distance between the two connecting blocks is adjusted through the first fastener, and therefore the two connecting blocks clamp the transmission rod.
Furthermore, the connecting part comprises a connecting body, one end of the connecting body is connected with the transmission rod, the other end of the connecting body is provided with a second connecting part used for being connected with the needle rod part, and the second connecting part is sleeved on the needle rod part.
Further, the transmission structure further comprises two check ring components, the two check ring components are arranged on two opposite sides of the second connecting portion along the extending direction of the second connecting portion, and the two check ring components are abutted against the second connecting portion so as to fix the second connecting portion on the preset position of the needle rod component.
Furthermore, a second fastening piece penetrates through the retainer ring component, penetrates through the second connecting portion and is abutted against the needle rod component, and the retainer ring component is fixedly connected with the needle rod component through the second fastening piece.
Further, the second fastener is a plurality of, and a plurality of second fasteners encircle the second connecting portion setting.
Furthermore, the second connecting part is internally provided with an accommodating channel for accommodating the needle rod part, and the second connecting part is provided with an oil filling hole which passes through the second connecting part and is communicated with the accommodating channel.
Furthermore, the transmission structure further comprises a first guide sleeve, the first guide sleeve is arranged on the machine shell, one end, far away from the machine needle, of the needle rod component is arranged in the first guide sleeve in a penetrating mode, and the needle rod component is connected with the first guide sleeve in a sliding mode.
Further, the transmission structure further comprises: the second guide sleeve is arranged on the machine shell, one end of the transmission rod penetrates through the second guide sleeve, and the needle rod component is connected in a sliding mode relative to the second guide sleeve; and the end of the transmission rod, which is far away from the second guide sleeve, is arranged in the third guide sleeve in a penetrating way, and the needle rod component is connected in a sliding way relative to the third guide sleeve.
According to another aspect of the present invention, there is provided a sewing machine including a transmission structure, the transmission structure being the transmission structure described above.
By applying the technical scheme of the utility model, the transmission structure is used for driving the needle of the sewing machine to move, and comprises: the needle bar component is movably arranged, and the machine needle is arranged at one end of the needle bar component; the transmission rod is connected with the shell of the sewing machine in a relatively movable way; one end of the connecting component is fixedly connected with the transmission rod, and the other end of the connecting component is connected with the needle rod component; the needle bar member is rotatably disposed with respect to the connecting member. When the transmission rod moves, the transmission rod drives the needle rod part to move through the connecting part. Adopt above-mentioned setting, remove through the drive transfer line, adapting unit transmits the removal of transfer line for needle bar part to drive needle bar part and remove, like this, avoided being connected between needle bar part and the power supply, reduced the stress that needle bar part received, reduced the operating pressure of needle bar part, make the structure possess better dynamic balance, avoided needle bar part impaired at work, solved the easy impaired problem of depression bar at work of the sewing machine among the prior art.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:
fig. 1 shows a schematic structural view of an embodiment of the transmission according to the utility model.
Wherein the figures include the following reference numerals:
1. a needle bar member; 2. a transmission rod; 3. a connecting member; 31. a first connection portion; 311. connecting blocks; 32. a connecting body; 33. a second connecting portion; 331. an oil filler hole; 4. a first fastener; 5. a retainer ring member; 6. a second fastener; 7. a first guide sleeve; 8. a second guide sleeve; 9. and a third guide sleeve.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
The transmission structure of the present embodiment, referring to fig. 1, for driving the needle of the sewing machine to move, includes: a needle bar component 1, wherein the needle bar component 1 is movably arranged, and a machine needle is arranged at one end of the needle bar component 1; the transmission rod 2 is connected with a shell of the sewing machine in a relatively movable way; one end of the connecting part 3 is fixedly connected with the transmission rod 2, and the other end of the connecting part 3 is connected with the needle rod part 1; the needle bar member 1 is rotatably provided with respect to the connecting member 3. Wherein, when the transmission rod 2 moves, the transmission rod 2 drives the needle bar component 1 to move through the connecting component 3. Adopt above-mentioned setting, remove through drive transfer line 2, adapting unit 3 transmits the removal of transfer line 2 for needle bar part 1, thereby drive needle bar part 1 and remove, thus, avoided being connected between needle bar part 1 and the power supply, the stress that needle bar part 1 received has been reduced, the operating pressure of needle bar part 1 has been reduced, make the structure possess better dynamic balance, it is impaired at work to have avoided needle bar part 1, the easy impaired problem in work of depression bar of the sewing machine among the prior art has been solved.
In the transmission structure of the present embodiment, referring to fig. 1, the connection part 3 includes a first connection part 31 connected to the transmission rod 2, and the first connection part 31 is fitted over the transmission rod 2. By adopting the arrangement, the method is simple and easy to realize.
Referring to fig. 1, in the transmission structure of the present embodiment, the first connection portion 31 includes two connection blocks 311 disposed oppositely, and the two connection blocks 311 are disposed oppositely to form a fixing space for housing the transmission rod 2; the transmission structure further comprises a first fastening member 4, and the first fastening member 4 is arranged on the two connecting blocks 311 in a penetrating manner so as to adjust the distance between the two connecting blocks 311 through the first fastening member 4, thereby enabling the two connecting blocks 311 to clamp the transmission rod 2. Therefore, the connecting part 3 can be conveniently fixed on the transmission rod 2, and the distance of the connecting part 3 can be adjusted according to requirements, so that the structure has good dynamic balance.
In the transmission structure of the present embodiment, referring to fig. 1, the connecting member 3 includes a connecting body 32, one end of the connecting body 32 is connected to the transmission rod 2, the other end of the connecting body 32 has a second connecting portion 33 for connecting with the needle bar member 1, and the second connecting portion 33 is fitted over the needle bar member 1. By adopting the arrangement, the method is simple and easy to realize.
In order to enable the connecting part 3 to move with the needle bar part 1, referring to fig. 1, in the transmission structure of the present embodiment, the transmission structure further includes two retaining ring parts 5, two retaining ring parts 5 are disposed on two opposite sides of the second connecting part 33 along the extending direction of the second connecting part 33, and both retaining ring parts 5 abut against the second connecting part 33 to fix the second connecting part 33 at the preset position of the needle bar part 1. Thus, when the transmission rod 2 moves, the retainer ring component 5 can drive the needle rod component 1 to move, and when the needle rod component 1 rotates, the retainer ring component 5 rotates relative to the connecting component 3 along with the needle rod component 1, so that the working requirement of the sewing machine is met.
In the transmission structure of the present embodiment, referring to fig. 1, the collar member 5 is provided with the second fastening member 6, and the second fastening member 6 passes through the second connecting portion 33 and abuts against the needle bar member 1 to fixedly connect the collar member 5 to the needle bar member 1 by the second fastening member 6. By adopting the arrangement, the method is simple and easy to realize.
Referring to fig. 1, in the transmission structure of the present embodiment, the second fastening member 6 is plural, and the plural second fastening members 6 are disposed around the second connecting portion 33. Thus, it is ensured that the needle bar member 1 does not slide relative to the retainer ring member 5 when rotated.
In the transmission structure of the present embodiment, referring to fig. 1, the second connecting portion 33 has a receiving passage therein for receiving the needle bar member 1, and the second connecting portion 33 is provided with an oil hole 331, and the oil hole 331 penetrates the second connecting portion 33 and communicates with the receiving passage.
In order to make the moving direction of the needle bar member 1 more accurate, referring to fig. 1, in the transmission structure of the present embodiment, the transmission structure further includes a first guide sleeve 7, the first guide sleeve 7 is provided on the housing, an end of the needle bar member 1 away from the needle is inserted into the first guide sleeve 7, and the needle bar member 1 is slidably connected with respect to the first guide sleeve 7.
In order to make the moving direction of the transmission rod 2 more accurate, in the transmission structure of the present embodiment, referring to fig. 1, the transmission structure further includes: the second guide sleeve 8 is arranged on the machine shell, one end of the transmission rod 2 penetrates through the second guide sleeve 8, and the needle rod component 1 is connected in a sliding mode relative to the second guide sleeve 8; and the third guide sleeve 9, the third guide sleeve 9 is arranged on the machine shell, one end of the transmission rod 2 far away from the second guide sleeve 8 is arranged in the third guide sleeve 9 in a penetrating way, and the needle rod component 1 is connected in a sliding way relative to the third guide sleeve 9.
The sewing machine of the embodiment comprises a transmission structure, and the transmission structure is the transmission structure.
The transmission structure of this embodiment contains in two parallel arrangement's transfer line 2 and needle bar component 1, and transfer line 2 links to each other with actuating mechanism and can only do the up-and-down motion, and the connecting piece left side part links firmly on transfer line 2, and the right part articulates on needle bar component 1, and two retaining ring parts 5 link firmly on needle bar component 1 and support respectively and lean on the second connecting portion 33 (the right part of connecting part 3 in the drawing) of connecting part 3, and needle bar component 1 can do the up-and-down motion and also can do rotary motion. The driving rod 2 and the needle bar member 1 are movable up and down on the second guide sleeve 8 and the third guide sleeve 9, respectively.
From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:
the utility model relates to a transmission structure for driving the needle of a sewing machine to move, which comprises: a needle bar component 1, wherein the needle bar component 1 is movably arranged, and a machine needle is arranged at one end of the needle bar component 1; the transmission rod 2 is connected with a shell of the sewing machine in a relatively movable way; one end of the connecting part 3 is fixedly connected with the transmission rod 2, and the other end of the connecting part 3 is connected with the needle rod part 1; the needle bar member 1 is rotatably provided with respect to the connecting member 3. Wherein, when the transmission rod 2 moves, the transmission rod 2 drives the needle bar component 1 to move through the connecting component 3. Adopt above-mentioned setting, remove through drive transfer line 2, adapting unit 3 transmits the removal of transfer line 2 for needle bar part 1, thereby drive needle bar part 1 and remove, thus, avoided being connected between needle bar part 1 and the power supply, the stress that needle bar part 1 received has been reduced, the operating pressure of needle bar part 1 has been reduced, make the structure possess better dynamic balance, it is impaired at work to have avoided needle bar part 1, the easy impaired problem in work of depression bar of the sewing machine among the prior art has been solved.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (11)
1. A drive arrangement for driving movement of a needle of a sewing machine, the drive arrangement comprising:
the needle bar component (1), the said needle bar component (1) is set up movably, the said machine needle is set up in one end of the said needle bar component (1);
the transmission rod (2), the said transmission rod (2) and chassis of the Sewing machines can be connected relatively movably;
one end of the connecting component (3) is fixedly connected with the transmission rod (2), and the other end of the connecting component (3) is connected with the needle rod component (1); the needle bar component (1) is rotatably arranged relative to the connecting component (3);
when the transmission rod (2) moves, the transmission rod (2) drives the needle rod component (1) to move through the connecting component (3).
2. The transmission structure according to claim 1, characterized in that the connection member (3) comprises a first connection portion (31) connected to the transmission rod (2), the first connection portion (31) being fitted over the transmission rod (2).
3. The transmission structure according to claim 2, characterized in that the first connection portion (31) comprises two oppositely arranged connection blocks (311), the two connection blocks (311) are oppositely arranged to form a fixing space for sleeving the transmission rod (2); the transmission structure further comprises a first fastening piece (4), wherein the first fastening piece (4) is arranged on the two connecting blocks (311) in a penetrating mode, so that the distance between the two connecting blocks (311) is adjusted through the first fastening piece (4), and the two connecting blocks (311) clamp the transmission rod (2).
4. The transmission structure according to claim 1, characterized in that the connecting member (3) comprises a connecting body (32), one end of the connecting body (32) is connected with the transmission rod (2), the other end of the connecting body (32) is provided with a second connecting part (33) for connecting with the needle bar member (1), and the second connecting part (33) is sleeved on the needle bar member (1).
5. The transmission according to claim 4, characterized in that the transmission further comprises two collar members (5), the two collar members (5) being disposed on opposite sides of the second connecting portion (33) in the extending direction of the second connecting portion (33), both collar members (5) abutting against the second connecting portion (33) to fix the second connecting portion (33) at a predetermined position of the needle bar member (1).
6. The transmission structure according to claim 5, characterized in that a second fastening member (6) is provided on the collar member (5) in a penetrating manner, and the second fastening member (6) passes through the second connecting portion (33) and abuts against the needle bar member (1) to fixedly connect the collar member (5) and the needle bar member (1) by the second fastening member (6).
7. The transmission structure according to claim 6, characterized in that the second fastening member (6) is plural, and plural second fastening members (6) are provided around the second connecting portion (33).
8. The transmission structure according to claim 4, wherein the second connecting portion (33) has a receiving passage therein for receiving the needle bar member (1), and the second connecting portion (33) is provided with an oil hole (331), and the oil hole (331) passes through the second connecting portion (33) and communicates with the receiving passage.
9. The transmission structure according to claim 1, characterized in that the transmission structure further comprises a first guide sleeve (7), the first guide sleeve (7) is provided on the housing, an end of the needle bar member (1) remote from the needle is inserted into the first guide sleeve (7), and the needle bar member (1) is slidably connected with respect to the first guide sleeve (7).
10. The transmission structure according to claim 1, characterized in that it further comprises:
the second guide sleeve (8) is arranged on the shell, one end of the transmission rod (2) penetrates through the second guide sleeve (8), and the transmission rod (2) is connected with the second guide sleeve (8) in a sliding mode;
the third guide sleeve (9), the third guide sleeve (9) sets up on the casing, the one end that the transfer line (2) kept away from second guide sleeve (8) wears to establish in third guide sleeve (9), transfer line (2) for third guide sleeve (9) slidable connects.
11. A sewing machine comprising a transmission structure, characterized in that it is a transmission structure according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122293868.3U CN216514557U (en) | 2021-09-22 | 2021-09-22 | Transmission structure and sewing machine with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122293868.3U CN216514557U (en) | 2021-09-22 | 2021-09-22 | Transmission structure and sewing machine with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216514557U true CN216514557U (en) | 2022-05-13 |
Family
ID=81520316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122293868.3U Active CN216514557U (en) | 2021-09-22 | 2021-09-22 | Transmission structure and sewing machine with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216514557U (en) |
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2021
- 2021-09-22 CN CN202122293868.3U patent/CN216514557U/en active Active
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