CN210237978U - Eccentric wheel assembly - Google Patents
Eccentric wheel assembly Download PDFInfo
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- CN210237978U CN210237978U CN201921154920.3U CN201921154920U CN210237978U CN 210237978 U CN210237978 U CN 210237978U CN 201921154920 U CN201921154920 U CN 201921154920U CN 210237978 U CN210237978 U CN 210237978U
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- connecting rod
- wheel
- differential
- sleeve wheel
- sleeve
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Abstract
The utility model belongs to the technical field of eccentric wheel technique and specifically relates to an eccentric wheel assembly, including concentric shaft, the both sides on concentric shaft surface are respectively bearing-supported first set of wheel and second set of wheel, first set of wheel is located the front of second set of wheel, the left side welding of first set of wheel has the differentiator connecting rod, the left end of differentiator connecting rod articulates there is the work feed roll linking arm, the top welding of second set of wheel has the feed lifting teeth axle connecting rod, the top of feed lifting teeth axle connecting rod articulates there is the feed lifting teeth connecting rod seat; the utility model discloses a concentric shaft, first set of wheel, second set of wheel, differential ware connecting rod, work feed axle linking arm, lift tooth axle connecting rod, lift tooth connecting rod seat, the differential long connecting rod of differential and the setting of the differential short connecting rod, the path stroke of the differential long connecting rod is adjusted to the differential short connecting rod of accessible to realize the turned angle of differential work feed axle, and then change the differential work feed stroke, adjust differential ratio, reached and promoted the effect that the work feed speed was advanced to the work feed subassembly.
Description
Technical Field
The utility model relates to an eccentric wheel technical field specifically is an eccentric wheel assembly.
Background
The eccentric wheel is not positioned at a rotating point, namely the center of the wheel is generally referred to as a circular wheel, when the circle does not rotate around the center of the wheel, the eccentric wheel is formed, the eccentric wheel is also one of cams, generally, the eccentric wheel is mainly used for generating vibration, like an electric sieve, a vibrator in a mobile phone is the eccentric wheel, most of the eccentric wheels are circular wheels, and the circular wheels are convenient to manufacture and simple in process.
In a feed lifting tooth assembly of a sewing machine, an eccentric wheel assembly is included, but the angle and the height of a feed lifting tooth of the existing sewing machine are limited due to unreasonable distribution of eccentric wheels, so that the cloth feeding speed is influenced, the processing efficiency is reduced, and therefore an eccentric wheel assembly is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an eccentric wheel assembly possesses the advantage that can promote the feed speed of feed lifting teeth subassembly, has solved current sewing machine feed lifting teeth subassembly because the distribution of eccentric wheel is unreasonable, leads to the angle of feed lifting teeth and highly restricted to influence feed speed, reduced machining efficiency's problem.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an eccentric wheel assembly, includes the concentric shaft, the both sides on concentric shaft surface respectively the bearing support have first cover wheel and second cover wheel, first cover wheel is located the front of second cover wheel, the left side welding of first cover wheel has the differential connecting rod, the left end of differential connecting rod articulates there is the work feed spindle linking arm, the top welding of second cover wheel has the tooth axle connecting rod of lifting, the top of tooth axle connecting rod articulates there is the tooth connecting rod seat of lifting.
Preferably, the top of the cloth feeding shaft connecting arm is hinged with a differential long connecting rod, and the top of the cloth feeding shaft connecting arm and the back of the differential long connecting rod are welded with a differential short connecting rod.
Preferably, the concentric shaft is fixedly installed on a main shaft inside the sewing machine, the first sleeve wheel and the second sleeve wheel are eccentric wheels, and the axes of the first sleeve wheel and the second sleeve wheel are not on the same straight line.
Preferably, a gasket is fixedly installed on the surface of the concentric shaft and between the first set of wheels and the second set of wheels, and lubricating oil is coated on the joint of the gasket and the first set of wheels and the second set of wheels.
Preferably, check rings are fixedly mounted on the surfaces of the concentric shafts, positioned on the front face of the first sleeve wheel and the back face of the second sleeve wheel, and lubricating oil is coated on the joints of the check rings and the first sleeve wheel and the second sleeve wheel.
Preferably, the surfaces of the first set of wheels and the second set of wheels are both sprayed with a zinc coating, and the thickness of the zinc coating is 0.02 mm.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the utility model discloses a concentric shaft, first set of wheel, second set of wheel, differential ware connecting rod, work feed axle linking arm, lift tooth axle connecting rod, lift tooth connecting rod seat, the differential long connecting rod of differential and the setting of the differential short connecting rod, the path stroke of the differential long connecting rod is adjusted to the differential short connecting rod of accessible to realize the turned angle of differential work feed axle, and then change the differential work feed stroke, adjust differential ratio, reached and promoted the effect that the work feed speed was advanced to the work feed subassembly.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a partial right view of the structure of the present invention.
In the figure: 1. concentric shafts; 2. a first set of wheels; 3. a second set of wheels; 4. a differential link; 5. a cloth feeding shaft connecting arm; 6. a feed lifting shaft connecting rod; 7. a feed lifting connecting rod seat; 8. a differential long connecting rod; 9. a differential short link; 10. a gasket; 11. and a retainer ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that 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 a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, an eccentric wheel assembly includes a concentric shaft 1, a first pulley set 2 and a second pulley set 3 are respectively supported by bearings on two sides of the surface of the concentric shaft 1, the first pulley set 2 is located on the front side of the second pulley set 3, a differential connecting rod 4 is welded on the left side of the first pulley set 2, a cloth feeding shaft connecting arm 5 is hinged on the left end of the differential connecting rod 4, a tooth lifting shaft connecting rod 6 is welded on the top of the second pulley set 3, a tooth lifting connecting rod seat 7 is hinged on the top of the tooth lifting shaft connecting rod 6, the path stroke of the differential long connecting rod 8 can be adjusted through the arrangement of the concentric shaft 1, the first pulley set 2, the second pulley set 3, the differential connecting rod 4, the cloth feeding shaft connecting arm 5, the tooth lifting shaft connecting rod 6, the tooth lifting connecting rod seat 7, the differential long connecting rod 8 and the differential short connecting rod 9, so as to realize the rotation angle of the differential cloth feeding shaft and further change the differential cloth feeding, the differential ratio is adjusted, and the effect of improving the cloth feeding speed of the feed lifting tooth assembly is achieved.
In this embodiment, the top of the cloth feeding shaft connecting arm 5 is hinged with a differential long connecting rod 8, the differential short connecting rod 9 is welded on the top of the cloth feeding shaft connecting arm 5 and on the back of the differential long connecting rod 8, and the differential long connecting rod 8 and the differential short connecting rod 9 can change the differential cloth feeding stroke and adjust the differential ratio, so as to improve the cloth feeding speed.
In this embodiment, concentric shaft 1 is fixed mounting on the inside main shaft of sewing machine, and first sleeve wheel 2 and second sleeve wheel 3 are the eccentric wheel, and the axle center is not on same straight line, because first sleeve wheel 2 and second sleeve wheel 3 are the eccentric wheel, consequently in rotatory, can produce asynchronous shake to the tooth motion is lifted in the realization.
In this embodiment, concentric shaft 1's surface is located fixed mounting and has gasket 10 between first sleeve wheel 2 and the second sleeve wheel 3, and the gasket 10 is scribbled with the junction of first sleeve wheel 2 and second sleeve wheel 3 and is equipped with lubricating oil, and gasket 10 can prevent that first sleeve wheel 2 and second sleeve wheel 3 from producing direct friction, can give its abundant protection at the rotatory in-process of first sleeve wheel 2 and second sleeve wheel 3, has reached the effect that increases first sleeve wheel 2 and 3 life of second sleeve wheel.
In this embodiment, the surface of the concentric shaft 1 and the front surface of the first sleeve wheel 2 and the back surface of the second sleeve wheel 3 are both fixedly provided with the check ring 11, the joint of the check ring 11 and the first sleeve wheel 2 and the second sleeve wheel 3 is coated with lubricating oil, and the check ring 11 can block the first sleeve wheel 2 and the second sleeve wheel 3 when the first sleeve wheel 2 and the second sleeve wheel 3 rotate, so that the stability of the first sleeve wheel is improved, and the first sleeve wheel 2 and the second sleeve wheel 3 are prevented from falling off and moving.
In this embodiment, the surfaces of the first sheave 2 and the second sheave 3 are both coated with a zinc coating, and the thickness of the zinc coating is 0.02 mm, so that the zinc coating has moderate production cost and good durability and wear resistance.
The working principle is as follows: because the concentric shaft 1 and the main shaft of the sewing machine are fixedly installed, when the main shaft of the sewing machine rotates, the concentric shaft 1 can be driven to rotate, and because the first sleeve wheel 2 and the second sleeve wheel 3 are eccentric wheels, when the concentric shaft 1 rotates, the first sleeve wheel 2 and the second sleeve wheel 3 can generate asynchronous shaking phenomena, and meanwhile, the first sleeve wheel 2 and the second sleeve wheel 3 are respectively connected with the differential connecting rod 4 and the feed lifting shaft connecting rod 6, the synchronous shaking phenomena can be driven, and when the differential short connecting rod 9 operates, the path stroke of the differential long connecting rod 8 can be adjusted, so that the rotation angle of the differential feed shaft is realized, the differential feed stroke is changed, the differential ratio is adjusted, and the effect of improving the feed speed of the feed lifting tooth assembly is realized.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. An eccentric wheel assembly comprising concentric shafts (1), characterized in that: the two sides of the surface of the concentric shaft (1) are respectively supported by bearings to form a first sleeve wheel (2) and a second sleeve wheel (3), the first sleeve wheel (2) is located on the front face of the second sleeve wheel (3), a differential connecting rod (4) is welded on the left side of the first sleeve wheel (2), a cloth feeding shaft connecting arm (5) is hinged to the left end of the differential connecting rod (4), a tooth lifting shaft connecting rod (6) is welded on the top of the second sleeve wheel (3), and a tooth lifting connecting rod seat (7) is hinged to the top of the tooth lifting shaft connecting rod (6).
2. The eccentric wheel assembly according to claim 1, wherein: the top of the cloth feeding shaft connecting arm (5) is hinged with a differential long connecting rod (8), and the top of the cloth feeding shaft connecting arm (5) and the back of the differential long connecting rod (8) are welded with a differential short connecting rod (9).
3. The eccentric wheel assembly according to claim 1, wherein: the concentric shaft (1) is fixedly arranged on a main shaft inside the sewing machine, the first sleeve wheel (2) and the second sleeve wheel (3) are eccentric wheels, and the axes of the first sleeve wheel and the second sleeve wheel are not on the same straight line.
4. The eccentric wheel assembly according to claim 1, wherein: the surface of the concentric shaft (1) is fixedly provided with a gasket (10) between the first sleeve wheel (2) and the second sleeve wheel (3), and lubricating oil is coated on the joint of the gasket (10) and the first sleeve wheel (2) and the second sleeve wheel (3).
5. The eccentric wheel assembly according to claim 1, wherein: check rings (11) are fixedly mounted on the surfaces of the concentric shafts (1) and positioned on the front surface of the first sleeve wheel (2) and the back surface of the second sleeve wheel (3), and lubricating oil is coated on the joints of the check rings (11) and the first sleeve wheel (2) and the second sleeve wheel (3).
6. The eccentric wheel assembly according to claim 1, wherein: the surfaces of the first set of wheels (2) and the second set of wheels (3) are both sprayed with zinc coating, and the thickness of the zinc coating is 0.02 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921154920.3U CN210237978U (en) | 2019-07-23 | 2019-07-23 | Eccentric wheel assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921154920.3U CN210237978U (en) | 2019-07-23 | 2019-07-23 | Eccentric wheel assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210237978U true CN210237978U (en) | 2020-04-03 |
Family
ID=69992487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921154920.3U Active CN210237978U (en) | 2019-07-23 | 2019-07-23 | Eccentric wheel assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210237978U (en) |
-
2019
- 2019-07-23 CN CN201921154920.3U patent/CN210237978U/en active Active
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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 |
Denomination of utility model: Eccentric wheel assembly Effective date of registration: 20220520 Granted publication date: 20200403 Pledgee: Agricultural Bank of China Limited by Share Ltd. Yuhuan branch Pledgor: Zhejiang Hengyi Technology Co.,Ltd. Registration number: Y2022980005959 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |