CN210686885U - Transmission mechanism for converting rotary motion into reciprocating motion - Google Patents

Transmission mechanism for converting rotary motion into reciprocating motion Download PDF

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Publication number
CN210686885U
CN210686885U CN201921710275.9U CN201921710275U CN210686885U CN 210686885 U CN210686885 U CN 210686885U CN 201921710275 U CN201921710275 U CN 201921710275U CN 210686885 U CN210686885 U CN 210686885U
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China
Prior art keywords
shaft
reciprocating
transmission
track groove
steel ball
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Active
Application number
CN201921710275.9U
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Chinese (zh)
Inventor
周海春
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu anchor Tools Co.,Ltd.
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Jiangsu Anchor Tools Co ltd
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Priority to CN201921710275.9U priority Critical patent/CN210686885U/en
Application granted granted Critical
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Abstract

The utility model discloses a transmission mechanism for converting rotary motion into reciprocating motion, which comprises a transmission structure and a transmission shaft; the transmission shaft comprises a rotating shaft and a reciprocating shaft, and the rotating shaft and the reciprocating shaft are connected by a transmission structure; the transmission structure comprises a steel ball, a steel ball hole and an outer sleeve; the rotating shaft is provided with a track groove, and the steel balls are arranged in the track groove; the reciprocating shaft is a hollow shaft, and the rotating shaft is inserted into the reciprocating shaft; a shaft body of the reciprocating shaft is provided with a steel ball hole corresponding to the position of the track groove, and the outside of the steel ball is clamped in the steel ball hole; the outer sleeve is in a hollow cylindrical shape, and the reciprocating shaft is inserted into the outer sleeve. The utility model discloses conversion performance is excellent, small, with low costs and can reduce vibration and noise in the rotary motion conversion reciprocating motion effectively.

Description

Transmission mechanism for converting rotary motion into reciprocating motion
Technical Field
The utility model relates to a drive mechanism especially relates to a rotary motion conversion reciprocating motion's drive mechanism.
Background
The traditional conversion reciprocating motion mechanism is generally realized by eccentric motion of an eccentric shaft mechanism, an eccentric wheel is arranged on the eccentric shaft, the eccentric wheel is a wheel-shaped part on the eccentric shaft, and the reciprocating motion of shafts at two ends is realized by the rotation of the eccentric shaft; the traditional conversion reciprocating motion mechanism has the defects of small working stroke, no shock resistance and small bearing resistance; when the lubricating grease works, because the friction force between parts is large, high temperature, vibration and high noise are easy to generate, and a large amount of lubricating grease is needed for lubrication; once the grease is solidified with high temperature, the lack of lubrication can generate high temperature and even damage parts of a mechanism, and the grease cannot be normally used, so that higher cost is generated in industrial application; in addition, the traditional conversion reciprocating motion mechanism also has the defects of large volume and high cost. Therefore, a conversion reciprocating mechanism with excellent conversion performance, lower cost and smaller volume is urgently needed in the market.
SUMMERY OF THE UTILITY MODEL
In order to solve the defects of the prior art, the utility model provides a transmission mechanism for converting rotary motion into reciprocating motion.
In order to solve the technical problem, the utility model discloses a technical scheme is: a transmission mechanism for converting rotary motion into reciprocating motion comprises a transmission structure and a transmission shaft; the transmission shaft comprises a rotating shaft and a reciprocating shaft, and the rotating shaft and the reciprocating shaft are connected by a transmission structure; the transmission structure comprises a steel ball, a steel ball hole and an outer sleeve; the rotating shaft is provided with a track groove, the steel ball is arranged in the track groove, and the steel ball can rotate in the track groove; the reciprocating shaft is a hollow shaft, and the rotating shaft is inserted into the reciprocating shaft; a shaft body of the reciprocating shaft is provided with a steel ball hole corresponding to the position of the track groove, and the outside of the steel ball is clamped in the steel ball hole; the outer sleeve is in a hollow cylindrical shape, and the reciprocating shaft is inserted into the outer sleeve.
Further, the front end of the track groove is the highest position A, the rear end of the track groove is the lowest position B, and the distance between the highest position A and the lowest position B is the reciprocating stroke of the reciprocating shaft.
Furthermore, the steel balls are two and the two steel balls are symmetrical about the axis of the rotating shaft.
Further, the inner wall of the track groove is smooth.
The utility model has the advantages that the steel balls reciprocate between the track grooves when the rotating shaft rotates, so as to drive the reciprocating shaft to reciprocate, the conversion performance is high, and the reciprocating stroke is long; the structure is wear-resistant, the inner wall is smooth, the vibration resistance and noise reduction effects are good, and the service life of the product is long; small volume, convenient carrying and installation, simple structure and low cost.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a right side view of fig. 1.
Fig. 3 is a sectional view taken along line G-G of fig. 2.
In the figure: 1. a reciprocating shaft; 2. a jacket; 3. steel ball holes; 4. steel balls; 5. a track groove; 6. a rotating shaft; A. the highest bit; B. the lowest position.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
A transmission mechanism for converting rotary motion into reciprocating motion as shown in fig. 3, which comprises a transmission structure and a transmission shaft; the transmission shaft comprises a rotating shaft 6 and a reciprocating shaft 1, one side of the rotating shaft 6 is connected with power output of a motor and the like to drive the rotating shaft 6 to rotate, and the rotating shaft 6 is connected with the reciprocating shaft 1 through a transmission structure; the transmission structure comprises a steel ball 4, a steel ball hole 3 and an outer sleeve 2; a track groove 5 is formed in the rotating shaft 6, the inside of the steel ball 4 is arranged in the track groove 5, and the steel ball 4 can rotate in the track groove 5; the reciprocating shaft 1 is a hollow shaft, and the rotating shaft 6 is inserted into the reciprocating shaft 1; a shaft body of the reciprocating shaft 1 is provided with a steel ball hole 3 corresponding to the position of the track groove 5, and the outside of the steel ball 4 is clamped in the steel ball hole 3; the outer sleeve 2 is in a hollow cylindrical shape, and the reciprocating shaft 1 is inserted into the outer sleeve 2.
The front end of the track groove 5 is the highest position A, the rear end thereof is the lowest position B, the distance between the highest position A and the lowest position B is the reciprocating stroke of the reciprocating shaft 1, the track groove is in a closed sine function curve, and track grooves with different sizes can be formed according to different reciprocating stroke requirements.
The steel balls 4 are two and two steel balls are symmetrical about the axis of the rotating shaft 6, and the two steel balls rotate synchronously along the track groove 5.
The inner wall of the track groove 5 is smooth, and higher conversion efficiency can be realized.
The working method of the transmission mechanism for converting rotary motion into reciprocating motion comprises the following steps:
when power is output from one side of the rotating shaft 6, the rotating shaft 6 rotates, and the steel balls 4 in the track groove 5 of the rotating shaft 6 rotate along the track groove 5; because the outer part of the steel ball 4 is clamped in the steel ball hole 3 of the reciprocating shaft 1, the steel ball 4 reciprocates between the highest position A and the lowest position B of the track groove 5 when the rotating shaft 6 rotates, so that the reciprocating shaft 1 is driven to reciprocate, and the rotating motion of the rotating shaft 6 is converted into the reciprocating motion of the reciprocating shaft 1.
Compared with the prior art, the utility model, following advantage has:
1) the conversion performance is high, and the reciprocating motion has long working stroke;
2) the structure is wear-resistant, the inner wall is smooth, the vibration resistance and noise reduction effects are good, and the service life of the product is long;
3) small volume, convenient carrying and installation, simple structure and low cost.
The above embodiments are not intended to limit the present invention, and the present invention is not limited to the above examples, and the technical personnel in the technical field are in the present invention, which can also belong to the protection scope of the present invention.

Claims (4)

1. A kind of rotary motion changes the drive motor of the reciprocating motion, characterized by that: comprises a transmission structure and a transmission shaft; the transmission shaft comprises a rotating shaft (6) and a reciprocating shaft (1), and the rotating shaft (6) is connected with the reciprocating shaft (1) through a transmission structure; the transmission structure comprises steel balls (4), steel ball holes (3) and an outer sleeve (2); the rotating shaft (6) is provided with a track groove (5), the steel balls (4) are arranged in the track groove (5), and the steel balls (4) can rotate in the track groove (5); the reciprocating shaft (1) is a hollow shaft, and the rotating shaft (6) is inserted into the reciprocating shaft (1); a steel ball hole (3) corresponding to the track groove (5) is formed in the shaft body of the reciprocating shaft (1), and the outer part of the steel ball (4) is clamped in the steel ball hole (3); the outer sleeve (2) is in a hollow cylindrical shape, and the reciprocating shaft (1) is inserted into the outer sleeve (2).
2. The rotary motion to reciprocating motion transmission mechanism of claim 1, wherein: the front end of the track groove (5) is the highest position (A), the rear end of the track groove is the lowest position (B), and the distance between the highest position (A) and the lowest position (B) is the reciprocating stroke of the reciprocating shaft (1).
3. The rotary motion to reciprocating motion transmission mechanism of claim 1, wherein: the steel balls (4) are two and are symmetrical about the axis of the rotating shaft (6).
4. The rotary motion to reciprocating motion transmission mechanism of claim 1, wherein: the inner wall of the track groove (5) is smooth.
CN201921710275.9U 2019-10-12 2019-10-12 Transmission mechanism for converting rotary motion into reciprocating motion Active CN210686885U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921710275.9U CN210686885U (en) 2019-10-12 2019-10-12 Transmission mechanism for converting rotary motion into reciprocating motion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921710275.9U CN210686885U (en) 2019-10-12 2019-10-12 Transmission mechanism for converting rotary motion into reciprocating motion

Publications (1)

Publication Number Publication Date
CN210686885U true CN210686885U (en) 2020-06-05

Family

ID=70899406

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921710275.9U Active CN210686885U (en) 2019-10-12 2019-10-12 Transmission mechanism for converting rotary motion into reciprocating motion

Country Status (1)

Country Link
CN (1) CN210686885U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112060400A (en) * 2020-08-15 2020-12-11 王建平 Anti-blocking centrifugal screening equipment for rubber particle processing

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112060400A (en) * 2020-08-15 2020-12-11 王建平 Anti-blocking centrifugal screening equipment for rubber particle processing

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GR01 Patent grant
GR01 Patent grant
CP01 Change in the name or title of a patent holder

Address after: 226100 No.88 tieanchor Road, Binhai New Area, Haimen City, Nantong City, Jiangsu Province

Patentee after: Jiangsu anchor Tools Co.,Ltd.

Address before: 226100 No.88 tieanchor Road, Binhai New Area, Haimen City, Nantong City, Jiangsu Province

Patentee before: JIANGSU ANCHOR TOOLS Co.,Ltd.

CP01 Change in the name or title of a patent holder