CN212025607U - Lifting mechanism suitable for sewing machine - Google Patents
Lifting mechanism suitable for sewing machine Download PDFInfo
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- CN212025607U CN212025607U CN201922114709.5U CN201922114709U CN212025607U CN 212025607 U CN212025607 U CN 212025607U CN 201922114709 U CN201922114709 U CN 201922114709U CN 212025607 U CN212025607 U CN 212025607U
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- lifting
- sewing machine
- housing
- lifting mechanism
- steering mechanism
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Abstract
The utility model particularly relates to a but elevating system suitable for sewing machine supplies the sewing machine support to carry out the height control, but elevating system includes two lift drive units and carries out the driving medium that connects two lift drive units, and two lift drive units set up inside sewing machine support both sides respectively, lift drive unit includes at least two lift units and sets up at least one drive unit between the lift unit, the lift unit includes first steering mechanism and elevating system, first steering mechanism drives the elevating system and carries out the elevating movement, drive unit includes a fixed part and sets up the second steering mechanism in the fixed part, the driving medium sets up between two opposite second steering mechanisms and connects two lift drive units with this; the first steering mechanism and the second steering mechanism are connected through a connecting rod piece. The utility model discloses can effectively support the sewing machine body and carry out lift operation and simple to operate.
Description
Technical Field
The utility model particularly relates to a bearing is effectual, simple to operate and be applicable to sewing machine's elevating system.
Background
The sewing machine as a mechanical device with a long development history has a wide audience in both domestic and industrial applications, and from the 18 th century industrial leather, the sewing machine is developed along with the social requirements, aiming at the continuous research and development of the working principle of the sewing machine, the existing sewing machine is more and more excellent in manufacture and better in weaving effect, however, the sewing machine support structure is not a mainstream research and development direction, the existing sewing machine is usually a fixed structure at present, and the sewing machine with the lifting function only adopts the cooperation between common holes and bolts to realize the integral lifting, so that, for many users, when lifting operation is carried out, the lifting operation needs to be carried out by matching with the whole sewing machine set, great manpower is needed to be consumed, and meanwhile, the sewing machine set with larger mass also easily threatens the personnel of workers when being dismounted. For this technical problem, there is currently no good solution.
SUMMERY OF THE UTILITY MODEL
In view of the above, an object of the present invention is to provide a lifting mechanism suitable for a sewing machine, which can achieve the overall lifting effect by shaking a handle.
The technical scheme of the utility model as follows: a lifting mechanism suitable for a sewing machine is used for a sewing machine support to adjust the height of the sewing machine support, and comprises two lifting transmission units and a transmission piece for connecting the two lifting transmission units, wherein the two lifting transmission units are respectively arranged inside two sides of the sewing machine support, each lifting transmission unit comprises at least two lifting units and at least one transmission unit arranged between the two lifting units, each lifting unit comprises a first steering mechanism and a lifting mechanism, the first steering mechanism drives the lifting mechanisms to perform lifting motion, each transmission unit comprises a fixing part and a second steering mechanism arranged in the fixing part, and the transmission piece is arranged between the two opposite second steering mechanisms and connects the two lifting transmission units; the first steering mechanism and the second steering mechanism are connected through a connecting rod piece.
Furthermore, the first steering mechanism comprises a mounting part with a hollow interior, a chain wheel piece longitudinally arranged in the hollow interior of the mounting part and a gear piece transversely arranged in the hollow interior of the mounting part, and the chain wheel piece is meshed with the tooth part of the gear piece; elevating system is including a rotation axis spare that has the external screw thread and a spacing portion that has the internal screw thread, the rotation axis spare is connected with gear spare and stretches out and insert to spacing portion inside from the installation department bottom, gear spare drives the rotation axis spare and carries out rotary motion in spacing portion inside.
Furthermore, the second steering mechanism comprises two bevel gears longitudinally arranged inside the fixing part, the two bevel gears are meshed at 90 degrees, one bevel gear is connected with the connecting rod piece, and the other bevel gear is connected with the transmission part.
Furthermore, the second steering mechanism comprises three helical gears longitudinally arranged in the fixing part, the three helical gears are meshed in a shape like a Chinese character 'ji', the helical gear positioned in the middle is connected with the connecting rod piece, and one of the helical gears positioned on two sides is connected with the transmission part.
Furthermore, a fixing component is arranged on the outer side of the lifting transmission unit and comprises a first shell, a second shell and a third shell which are connected, the first shell is used for fixing the transmission unit and one lifting unit, and the second shell and the third shell are used for fixing the other lifting unit.
Further, the second housing is configured to fix the first steering mechanism and a part of the lifting mechanism in the other lifting unit, and the third housing is configured to fix the remaining part of the lifting mechanism in the other lifting unit.
Furthermore, the lifting mechanism further comprises a detachable handle, and the handle can be inserted into the connecting rod piece and drives the connecting rod piece to rotate.
Furthermore, the side surfaces of the first shell and the second shell are provided with through holes for the handle to be matched with the connecting rod piece.
Furthermore, the back of the single bevel gear is fixedly connected with a shaft sleeve, the shaft sleeve extends out of the fixing part, and the transmission part is detachably inserted into the shaft sleeve and rotates along with the shaft sleeve.
The beneficial effects of the utility model
The utility model provides a but elevating system suitable for sewing machine, including two lift drive unit to when this rotates one of them lift drive unit, make another lift drive unit can go up and down simultaneously, and then accomplish sewing machine support's lift work. Meanwhile, the single lifting transmission unit comprises two lifting units and one transmission unit, the two lifting units are matched to support the whole weight of the sewing machine, and the whole lifting can be realized by means of small hand rotation force.
Drawings
FIG. 1 is a schematic structural diagram of a conventional sewing machine capable of lifting;
fig. 2 is an overall schematic view of a lifting mechanism suitable for a sewing machine according to an embodiment of the present invention;
fig. 3 is an overall schematic view of a lifting transmission unit of a lifting mechanism for a sewing machine according to an embodiment of the present invention;
fig. 4 is an internal schematic view of a lifting transmission unit of a lifting mechanism for a sewing machine according to an embodiment of the present invention;
fig. 5 is a schematic structural view of a lifting unit of a lifting mechanism for a sewing machine according to an embodiment of the present invention;
fig. 6 is a schematic cross-sectional view of a lifting unit of a lifting mechanism for a sewing machine according to an embodiment of the present invention;
fig. 7 is a schematic top view of a lifting transmission unit of a lifting mechanism for a sewing machine according to an embodiment of the present invention;
fig. 8 is a schematic connection diagram of a lifting mechanism suitable for a sewing machine according to an embodiment of the present invention;
fig. 9 is a schematic connection diagram of a lifting mechanism for a sewing machine according to another embodiment of the present invention;
fig. 10 is a schematic view of a housing assembly of a lifting mechanism for a sewing machine according to an embodiment of the present invention;
fig. 11 is a first mounting diagram of a lifting mechanism for a sewing machine according to an embodiment of the present invention;
fig. 12 is a second mounting diagram of the lifting mechanism for a sewing machine according to the embodiment of the present invention;
fig. 13 is a third installation diagram of the lifting mechanism suitable for the sewing machine according to the embodiment of the present invention.
Detailed Description
The embodiment of the lifting mechanism for sewing machine of the present invention will be further described with reference to the accompanying drawings.
The utility model provides a but this elevating system suitable for sewing machine for adjust sewing machine's whole height, it includes two lift drive unit 200 and with two drive medium 300 that lift drive unit 200 carries out the connection, two lift drive unit 200 set up respectively inside sewing machine support 100 both sides, through the lift drive unit who adjusts one side, and will change the motion conduction of side to the lift drive unit of opposite side by the drive medium, thereby realize both sides synchronous lift.
Fig. 1 is a schematic structural view of a conventional liftable sewing machine. As shown in the figure, the lifting structure of the existing sewing machine is operated in a mode of matching holes with bolts, so that the sewing machine is not easy to disassemble and assemble and is easy to cause personal harm.
Fig. 2 is an overall schematic view of a lifting mechanism suitable for a sewing machine according to an embodiment of the present invention. One of the transmission units is rotated by using a detachable handle, and the lifting effect can be achieved or achieved integrally by using small force.
Fig. 3 is the whole schematic diagram of the lifting transmission unit of the lifting mechanism suitable for sewing machine of the embodiment of the utility model, fig. 4 is the utility model discloses an embodiment's lifting transmission unit's inside schematic diagram suitable for sewing machine's lifting mechanism. The lifting mechanism of the embodiment comprises two lifting transmission units 200 and a transmission member 300 for connecting the two lifting transmission units 200, wherein the two lifting transmission units 200 are respectively arranged inside two sides of the sewing machine support 100, each lifting transmission unit 200 comprises at least two lifting units 20 and at least one transmission unit 21 arranged between the two lifting units 20, each lifting unit 20 comprises a first steering mechanism 201 and a lifting mechanism 202, each first steering mechanism 201 drives the corresponding lifting mechanism 202 to perform lifting motion, each transmission unit 21 comprises a fixing part 211 and a second steering mechanism 212 arranged in the corresponding fixing part 211, and the transmission member 300 is arranged between the two opposite second steering mechanisms 212 and connects the two lifting transmission units 200; the first steering mechanism 201 and the second steering mechanism 212 are connected through a connecting rod 213.
Fig. 5 is a schematic structural view of a lifting unit of a lifting mechanism suitable for a sewing machine according to an embodiment of the present invention, and fig. 6 is a schematic cross-sectional view of a lifting unit of a lifting mechanism suitable for a sewing machine according to an embodiment of the present invention; the first steering mechanism 201 in this embodiment includes a hollow mounting portion 2011, a sprocket member 2012 longitudinally disposed inside the hollow mounting portion 2011, and a gear member 2013 transversely disposed inside the hollow mounting portion 2011, wherein the sprocket member 2012 is engaged with the tooth portion of the gear member 2013; the lifting mechanism 202 includes a rotating shaft 2021 with external threads and a limiting portion 2022 with internal threads, the rotating shaft 2021 is connected to a gear element 2013, extends out from the bottom of the mounting portion 2011 and is inserted into the limiting portion 2022, and the gear element 2013 drives the rotating shaft 2021 to rotate inside the limiting portion 2022.
Fig. 7 is the utility model discloses a be applicable to the elevating system's of sewing machine lift drive unit's of embodiment overlook the schematic diagram, fig. 8 is the utility model discloses a be applicable to sewing machine's elevating system's of embodiment connection schematic diagram. The second steering mechanism 212 in this embodiment comprises two bevel gears 2121 longitudinally disposed inside the fixing portion 211, and the two bevel gears 2121 are engaged at 90 °, one of the bevel gears 2121 is connected to the connecting rod 213, and the other bevel gear 2121 is connected to the transmission member 300. In order to realize synchronous movement of the lifting transmission units on both sides, one lifting transmission unit is connected after the other lifting transmission unit rotates by 180 degrees, so that synchronous lifting or falling can be realized.
Fig. 9 is a schematic connection diagram of a lifting mechanism for a sewing machine according to another embodiment of the present invention. In this alternative embodiment, the second steering mechanism 212 includes three bevel gears 2121 longitudinally disposed inside the fixing portion 211, and the three bevel gears 2121 are engaged in a straight shape, and the middle bevel gear 2121 is connected to the connecting rod 213, and one of the bevel gears 2121 on both sides is connected to the transmission member 300. The helical gears on the two sides can output force, so that errors caused by installation can be reduced, the two sides can be connected, and the problem that the helical gears need to be installed again due to the fact that the output positions face incorrectly when the helical gears are inserted into a frame of a sewing machine is avoided.
Fig. 10 is a schematic view of a housing assembly of a lifting mechanism for a sewing machine according to an embodiment of the present invention. The fixing assembly 30 is disposed outside the lifting transmission unit 200 in this embodiment, the fixing assembly 30 includes a first casing 301, a second casing 302 and a third casing 303 connected to each other, the first casing 301 is used to fix the transmission unit and one lifting unit 20, the second casing 302 and the third casing 303 are used to fix another lifting unit 20, the second casing 302 is used to fix the first steering mechanism 201 and a part of the lifting mechanism 202 in another lifting unit 20, the third casing 303 is used to fix the remaining part of the lifting mechanism 202 in another lifting unit 20, and through holes for the handle 10 and the connection rod 213 to be matched are disposed on the side surfaces of the first casing 301 and the second casing 302, and the handle 10 can be inserted into the connection rod 213 and drive the connection rod 213 to rotate.
Fig. 11 is the utility model discloses a but be applicable to the lifting mechanism's of sewing machine first installation schematic diagram, fig. 12 is the utility model discloses a but be applicable to sewing machine's lifting mechanism's second installation schematic diagram, fig. 13 is the utility model discloses a but be applicable to sewing machine's lifting mechanism's of embodiment third installation schematic diagram. Referring to fig. 11, 12 and 13, the production and installation method of the embodiment of the present invention will be further described, when the production and installation are performed, first, a lifting unit is inserted into the first housing 301, and the first housing and the lifting unit are fixed by a fastening member 1000 such as a bolt, etc., then, the transmission unit 21 is inserted into the first housing 301 through the opening 3011 (dotted line in the figure) on the side of the first housing 301, and the connection rod 213 in the lifting unit passes through the helical gear inside the transmission unit 21, then, the remaining lifting unit 20 is inserted on the side of the transmission unit 21, that is, the connection rod 213 connects two transmission units 21 and one lifting unit 20, then, the second housing 302 is mounted on the first housing 301 and connected by the fastening member, and finally, the third housing 303 is mounted, and by the housing structure and the installation method, the assembly can be performed with great convenience, and simultaneously, the mounting precision is improved.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (9)
1. A lifting mechanism suitable for a sewing machine is used for height adjustment of a sewing machine support and comprises two lifting transmission units and a transmission part for connecting the two lifting transmission units, the two lifting transmission units are respectively arranged inside two sides of the sewing machine support,
the lifting transmission unit comprises at least two lifting units and at least one transmission unit arranged between the lifting units,
the lifting unit comprises a first steering mechanism and a lifting mechanism, the first steering mechanism drives the lifting mechanism to perform lifting movement,
the transmission unit comprises a fixed part and a second steering mechanism arranged in the fixed part, and the transmission piece is arranged between two opposite second steering mechanisms and connects the two lifting transmission units;
the first steering mechanism and the second steering mechanism are connected through a connecting rod piece.
2. A lifting mechanism suitable for a sewing machine as claimed in claim 1, wherein said first steering mechanism comprises a hollow mounting portion, a sprocket member longitudinally disposed within the hollow mounting portion, and a gear member transversely disposed within the hollow mounting portion, said sprocket member engaging with the teeth of the gear member;
elevating system is including a rotation axis spare that has the external screw thread and a spacing portion that has the internal screw thread, the rotation axis spare is connected with gear spare and stretches out and insert to spacing portion inside from the installation department bottom, gear spare drives the rotation axis spare and carries out rotary motion in spacing portion inside.
3. A lifting mechanism suitable for a sewing machine according to claim 1 wherein the second steering mechanism comprises two helical gears longitudinally disposed within the fixed portion and engaging at 90 °, one of the helical gears being connected to the connecting rod and the other helical gear being connected to the driving member.
4. A lifting mechanism suitable for a sewing machine according to claim 1 wherein the second steering mechanism comprises three helical gears longitudinally disposed within the fixed portion and engaging in a generally linear pattern, the helical gear located in the middle being connected to the connecting rod member and one of the helical gears located on either side being connected to the driving member.
5. The lifting mechanism suitable for the sewing machine according to claim 1, wherein a fixing component is disposed outside the lifting transmission unit, the fixing component includes a first housing, a second housing and a third housing connected to each other, the first housing is used for fixing the transmission unit and one lifting unit, and the second housing and the third housing are used for fixing the other lifting unit.
6. A lifting mechanism suitable for a sewing machine according to claim 5, wherein the second housing is used for fixing the first steering mechanism and part of the lifting mechanism in the other lifting unit, and the third housing is used for fixing the rest part of the lifting mechanism in the other lifting unit.
7. A lifting mechanism suitable for use in a sewing machine as claimed in claim 6, further comprising a detachable handle insertable into and rotatable with the connecting rod.
8. The lifting mechanism suitable for the sewing machine as claimed in claim 7, wherein the first housing and the second housing are provided with through holes on the side for the handle to be engaged with the connecting rod.
9. A lifting mechanism suitable for a sewing machine according to claim 3 or 4 wherein a single said bevel gear back is fixedly connected to a sleeve, said sleeve extends from said fixed portion, and said drive member is removably inserted into said sleeve and rotates therewith.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922114709.5U CN212025607U (en) | 2019-12-02 | 2019-12-02 | Lifting mechanism suitable for sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922114709.5U CN212025607U (en) | 2019-12-02 | 2019-12-02 | Lifting mechanism suitable for sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212025607U true CN212025607U (en) | 2020-11-27 |
Family
ID=73478714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922114709.5U Expired - Fee Related CN212025607U (en) | 2019-12-02 | 2019-12-02 | Lifting mechanism suitable for sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212025607U (en) |
-
2019
- 2019-12-02 CN CN201922114709.5U patent/CN212025607U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201127 Termination date: 20211202 |