CN108916359B - Modularized flexible rack - Google Patents
Modularized flexible rack Download PDFInfo
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- CN108916359B CN108916359B CN201810904549.1A CN201810904549A CN108916359B CN 108916359 B CN108916359 B CN 108916359B CN 201810904549 A CN201810904549 A CN 201810904549A CN 108916359 B CN108916359 B CN 108916359B
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- tooth body
- tooth
- limiting space
- connecting block
- gear
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/26—Racks
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gears, Cams (AREA)
- Prostheses (AREA)
Abstract
The invention discloses a modularized flexible rack which comprises a rack body and a rack body connecting assembly, wherein the rack body is provided with a plurality of connecting holes; the tooth body and the tooth body connecting assembly are provided with a plurality of tooth bodies; each tooth body is arranged in sequence; two sides of each tooth body connecting assembly are respectively and rotatably connected in the limiting spaces of two adjacent tooth bodies; a stop piece for preventing the tooth body connecting component from separating from the limiting space is arranged in the limiting space of the tooth body; a plurality of elastic spacing positioning balls are arranged between every two adjacent tooth bodies; a plurality of spherical grooves matched with the elastic spacing positioning balls are uniformly distributed on the two side surfaces of the tooth body; the distance between every two adjacent tooth bodies is smaller than the diameter of the elastic distance positioning ball. The invention has ingenious structure, is integrally of an assembled structure, is formed by assembling the gear body connecting component and the gear body, has stable structure, not only has the function of a conventional rack, but also can connect the two ends of a modularized flexible rack end to form a modularized flexible rack belt ring, thereby realizing the synchronous mechanical transmission of a plurality of unparallel transmission shafts in a longer distance and in occasions where electricity is not suitable to be used.
Description
Technical Field
The present invention relates to a modular flex spline.
Background
The rack is a transmission part for mechanical transmission, and the types of the existing racks mainly comprise a straight rack and a modular flexible rack ring. At present, the specifications of the existing racks are rich, but the application range of the rack with a single specification is narrow, and in the same set of transmission system, if the transmission system is improved, the specifications of the rack can not be applied any more, so that the rack with the matched specification needs to be purchased again, the cost is high, and the application disadvantage of the modularized flexible rack ring also exists in the transmission system. Therefore, there is a need for a modular flexible rack assembly that can be used for synchronous mechanical transmission of a plurality of non-parallel transmission shafts over a long distance and in situations where electricity is not suitable.
Disclosure of Invention
The invention aims to provide an assembled modular flexible rack which can be applied to synchronous mechanical transmission of a plurality of unparallel transmission shafts in a long distance and in occasions where electricity is not suitable to be used.
The technical scheme for realizing the purpose of the invention is as follows: a modular flexible rack comprising a rack body and a rack body connecting assembly; the tooth body and the tooth body connecting assembly are provided in plurality; each tooth body is arranged in sequence; two sides of each tooth body connecting assembly are respectively and rotatably connected in the limiting spaces of two adjacent tooth bodies; a stop piece for preventing the tooth body connecting assembly from being separated from the limiting space is arranged in the limiting space of the tooth body; a plurality of elastic spacing positioning balls are arranged between every two adjacent tooth bodies; a plurality of spherical grooves matched with the elastic spacing positioning balls are uniformly distributed on two side surfaces of the tooth body; the distance between every two adjacent tooth bodies is smaller than the diameter of the elastic distance positioning ball.
Preferably, the tooth body connecting assembly comprises a first connecting block; the first connecting blocks are arranged in a plurality, and each first connecting block is sequentially arranged end to end; the both sides of every first connecting block all are equipped with the spacing space complex connecting portion with the tooth body.
The connecting part of the tooth body connecting component is a first connecting ring; the axis of the first connecting ring is parallel to a sideline of the side face of the first connecting block; and a connecting shaft is arranged in the first connecting ring of each gear body connecting assembly positioned in the same gear body limiting space, and is limited in the first connecting ring of each gear body connecting assembly through a stop piece.
The first link ring of first link block both sides of tooth body coupling assembling is the symmetry setting to be located the tip edge of first link block.
The both sides face of the first connecting block of tooth body coupling assembling is the cambered surface corresponding with the first connecting ring of adjacent tooth body coupling assembling that inwards caves in.
Another preferred technical scheme is that the gear body connecting assembly comprises a second connecting block; and a plurality of second connecting rings matched with the limiting space of the gear body are arranged on two sides of the second connecting block, and the second connecting rings positioned on the same side of the second connecting block are coaxially arranged. And a connecting shaft is arranged in the second connecting ring of each gear body connecting assembly in the same gear body limiting space, and is limited in the second connecting ring of each gear body connecting assembly through a stop piece.
The second connecting ring on one side of the second connecting block of the tooth body connecting assembly and the second connecting ring on the other side of the second connecting block of the tooth body connecting assembly are arranged in a staggered mode in the projection of a horizontal plane.
The spacing space of tooth body is including locating the blind hole on the tooth body back to and locate on tooth body both sides face, and the notch of intercommunication blind hole.
The notch of the limiting space of the tooth body is a horn notch with a large outer part and a small inner part, and the width of the inner side of the notch is smaller than the diameter of the blind hole.
The section of the blind hole of the tooth body is circular.
The tooth body is square; the front surface of the tooth body is provided with a plurality of convex teeth.
The stop piece is clamped in the limit space of the gear body and tightly props against the gear body connecting assembly; limiting grooves with inward openings are symmetrically formed in the inner wall of the blind hole of the limiting space of the tooth body; the stop piece comprises a main body and elastic clamping pieces which are arranged on two sides of the main body and matched with the limiting grooves.
By adopting the technical scheme, the invention has the following beneficial effects: (1) the tooth body connecting assembly is ingenious in structure, integrally of an assembled structure, is formed by assembling the tooth body connecting assembly and the tooth body, can adjust the length of the whole body according to the number of the assembled tooth body connecting assembly and the tooth body, and is higher in practicability, lower in cost and stable in structure. Each tooth body coupling assembling rotates with the tooth body to be connected, thereby make this rack both have the function of conventional rack, can also bend the back with flexible rack both ends end to end formation modularization flexible rack area circle, thereby can realize the synchronous mechanical transmission of a plurality of unparallel transmission shafts in longer distance and unsuitable power consumption occasion, elasticity interval location ball improves holistic flexibility for providing elasticity between two adjacent tooth bodies.
(2) The tooth body connecting assembly comprises a plurality of first connecting blocks, the first connecting blocks are sequentially arranged end to end, connecting parts matched with the limiting space of the tooth body are arranged on two sides of each first connecting block, and the tooth body connecting assembly and the tooth body are more conveniently assembled and are more firmly connected.
(3) The connecting part of the gear body connecting component is a first connecting ring; the parallel first link block side's of axis sideline of first link ring, be equipped with the connecting axle in being located the first link ring of each tooth body coupling assembling in same tooth body spacing space, the setting of connecting axle shifts the atress position to the connecting axle by first link ring lateral wall on, avoids first link ring to damage under the too big condition of atress, prolongs the life of first link ring, improves the stability of connecting.
(4) The first connecting rings on the two sides of the first connecting block of the tooth body connecting assembly are symmetrically arranged and are positioned on the edge of the end part of the first connecting block, so that the two tooth body connecting assemblies can be assembled in the limiting space of the same tooth body, the assembly is more convenient, and the production difficulty and the production cost are reduced.
(5) The two side surfaces of the first connecting block of the tooth body connecting component are inwards concave cambered surfaces, so that the smoothness of rotation of the two tooth body connecting components after the two tooth body connecting components are assembled in the limiting space of the same tooth body is ensured.
(6) The limiting space of the tooth body comprises the blind hole arranged on the back surface of the tooth body and the notches which are arranged on the two side surfaces of the tooth body and are communicated with the blind hole, the tooth body connecting assembly is more stably matched, the limiting effect is excellent, and the integral stability after the tooth body is assembled is greatly improved.
(7) The notch of the limiting space of the tooth body is a horn notch with a large outer part and a small inner part, so that a rotating space is provided for the tooth body connecting assembly, and the integral bending is facilitated.
(8) The section of the blind hole of the tooth body is circular, so that the tooth body has a better limiting effect, and meanwhile, the rotating smoothness of the tooth body connecting assembly is improved.
(9) The stop piece is clamped in the limiting space of the gear body, tightly props against the gear body connecting assembly, limits the gear body connecting assembly to slide out of the limiting clamping, and improves the overall stability.
(10) The inner wall of the outer side of the blind hole of the limiting space of the tooth body is symmetrically provided with the limiting grooves, the stop piece comprises a main body and elastic clamping pieces arranged on two sides of the main body and matched with the limiting grooves, and the stop piece is convenient to mount.
Drawings
In order that the present disclosure may be more readily and clearly understood, reference is now made to the following detailed description of the present disclosure taken in conjunction with the accompanying drawings, in which
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is a rear view of the present invention.
Fig. 4 is a rear view of the tooth body of the present invention.
Fig. 5 is a schematic structural view of the split of two adjacent tooth body connecting assemblies in embodiment 1 of the invention.
Fig. 6 is a schematic structural view of a first connecting block of the tooth connecting assembly according to embodiment 1 of the present invention.
Fig. 7 is a schematic structural view of a plurality of tooth body connecting assemblies in split joint according to embodiment 1 of the invention.
Fig. 8 is a schematic structural view of the split of two adjacent tooth body connecting assemblies in embodiment 2 of the invention.
The reference numbers in the drawings are:
the gear tooth comprises a gear tooth body 1, blind holes 1-1, notches 1-2, convex teeth 1-3, spherical grooves 1-4, a gear tooth body connecting assembly 2, a first connecting block 2-1, a first connecting ring 2-2, a second connecting block 2-3, a second connecting ring 2-4, a stop plate 3 and a main body 3-1.
Detailed Description
(example 1)
Referring to fig. 1 to 7, the modular flexible rack of the present embodiment includes a rack body 1 and a rack body connecting assembly 2. The tooth body 1 and the tooth body connecting assembly 2 are provided with a plurality of teeth. Each tooth body 1 is arranged in sequence. Two sides of each tooth body connecting component 2 are respectively and rotatably connected in the limiting space of two adjacent tooth bodies 1. And a stop piece 3 for preventing the gear body connecting component 2 from separating from the limit space is arranged in the limit space of the gear body 1.
In order to be more stable in matching with the tooth body connecting assembly, good in limiting effect and capable of improving the overall stability after assembly, the limiting space of the tooth body 1 comprises a blind hole 1-1 arranged on the back surface of the tooth body 1 and notches 1-2 arranged on two side surfaces of the tooth body 1 and communicated with the blind hole 1-1.
In order to provide a rotating space for the tooth body connecting assembly and facilitate integral bending, the notch 1-2 of the limiting space of the tooth body 1 is a horn notch with a large outer part and a small inner part, and the width of the inner side of the notch 1-2 is smaller than the diameter of the blind hole 1-1.
In order to achieve a better limiting effect and improve the rotating smoothness of the tooth body connecting assembly, the section of a blind hole 1-1 of the tooth body 1 is circular.
The tooth body 1 is square. The front surface of the tooth body 1 is provided with a plurality of convex teeth 1-3.
In order to assemble the tooth body connecting assembly 2 and the tooth body 1 more conveniently, the tooth body connecting assembly 2 comprises a first connecting block 2-1. The first connecting blocks 2-1 are provided in plurality, and each first connecting block 2-1 is arranged end to end in sequence. The two sides of each first connecting block 2-1 are provided with connecting parts matched with the limiting space of the gear body 1.
In order to improve the connection strength, stability and service life, the connecting part of the tooth body connecting component 2 is a first connecting ring 2-2. The axis of the first connecting ring 2-2 is parallel to the side line of the first connecting block 2-1. A connecting shaft is arranged in the first connecting ring 2-2 of each gear body connecting component 2 positioned in the limiting space of the same gear body 1, and the connecting shaft is limited in the first connecting ring 2-2 of each gear body connecting component 2 through a stop sheet 3.
In order to assemble the two tooth body connecting components 2 in the limiting space of the same tooth body 1, the assembling is more convenient, and the production difficulty and the production cost are reduced, the first connecting rings 2-2 on two sides of the first connecting block 2-1 of the tooth body connecting components 2 are symmetrically arranged and are positioned at the end part edge of the first connecting block 2-1.
In order to ensure the smoothness of the activity of the two tooth body connecting components 2 after being assembled in the limiting space of the same tooth body 1, two side surfaces of a first connecting block 2-1 of each tooth body connecting component 2 are cambered surfaces which are inwards sunken and correspond to first connecting rings 2-2 of adjacent tooth body connecting components 2.
In order to restrict the sliding-out limit clamping of the tooth body connecting assembly 2, the stability of the whole body is improved, the stop piece 3 is clamped in the limit space of the tooth body 1, and the stop piece 3 tightly pushes the tooth body connecting assembly 2.
In order to facilitate the installation of the stop plate, the inner wall of the blind hole 1-1 of the limit space of the tooth body 1 is symmetrically provided with limit grooves with inward openings. The stop piece 3 comprises a main body 3-1 and elastic clamping pieces which are arranged on two sides of the main body and matched with the limiting grooves.
When the rack of this embodiment is assembled:
the method comprises the following steps: and sequentially placing a first connecting block 2-1 of each tooth body connecting component 2 into a blind hole 1-1 of a tooth body 1 with an odd mounting sequence along the first connecting ring 2-2 in the forward direction.
Step two: and sequentially and reversely placing a first connecting block 2-1 of each tooth body connecting component 2 into a blind hole 1-1 of the tooth body 1 with a double-sequence installation sequence along the first connecting ring 2-2.
Step three: and repeating the first step to the second step until the connecting component 2 of each tooth body 1 is assembled with each tooth body 1.
Step four: the stop piece 3 is clamped in the blind hole 1-1 of each tooth body 1.
(example 2)
Referring to fig. 8, this embodiment is substantially the same as embodiment 1 except that:
the gear body connecting assembly 2 comprises a second connecting block 2-3. A plurality of second connecting rings 2-4 matched with the limiting space of the gear body 1 are arranged on two sides of the second connecting block 2-3, and the second connecting rings 2-4 positioned on the same side of the second connecting block 2-3 are coaxially arranged. The second connecting ring 2-3 of each gear body connecting component 2 positioned in the limiting space of the same gear body 1 is provided with a connecting shaft, and the connecting shaft is limited in the second connecting ring 2-3 of each gear body connecting component 2 through a stop sheet 3.
The second connecting ring 2-4 on one side of the second connecting block 2-3 of the gear body connecting assembly 2 is arranged in a staggered mode with the second connecting ring 2-4 on the other side in the projection of a horizontal plane.
The installation method comprises the following steps:
the method comprises the following steps: firstly, the adjacent 2 tooth body connecting components 2 are connected in an inserting mode, and the first connecting rings 2-2 of the 2 tooth body connecting components 2 are coaxial to form corresponding connecting shafts.
Step two: and (2) inserting a connecting shaft coaxially formed by a first connecting ring 2-2 of the gear body connecting component 2 into a blind hole 1-1 of the gear body 1 to form rotary connection with the gear body 1.
(example 3)
Referring to fig. 2 and 3, the rest of the present embodiment is the same as embodiment 1, except that:
in order to provide elasticity between two adjacent tooth bodies and improve the overall flexibility, a plurality of elastic spacing positioning balls 4 are arranged between every two adjacent tooth bodies 1, and the elastic spacing positioning balls 4 are made of rubber.
In order to stably install the elastic spacing positioning balls 4, a plurality of spherical grooves 1-4 matched with the elastic spacing positioning balls 4 are uniformly distributed on two side surfaces of the tooth body 1.
The elastic spacing positioning balls 4 are prevented from falling off, and the spacing between every two adjacent tooth bodies 1 is smaller than the diameter of the elastic spacing positioning balls 4.
(example 4)
Referring to fig. 2 and 3, the rest of the present embodiment is the same as embodiment 2, except that:
in order to provide elasticity between two adjacent tooth bodies and improve the overall flexibility, a plurality of positioning balls 4 with uniformly arranged elastic intervals are arranged between every two adjacent tooth bodies 1. Preferably, four elastic spacing positioning balls 4 are arranged and arranged in a square shape.
In order to stably install the elastic spacing positioning balls 4, a plurality of spherical grooves 1-4 matched with the elastic spacing positioning balls 4 are uniformly distributed on two side surfaces of the tooth body 1.
The elastic spacing positioning balls 4 are prevented from falling off, and the spacing between every two adjacent tooth bodies 1 is smaller than the diameter of the elastic spacing positioning balls 4.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A modular flex spline characterized by: comprises a tooth body (1) and a tooth body connecting component (2); the plurality of tooth bodies (1) and the tooth body connecting assemblies (2) are arranged; each tooth body (1) is arranged in sequence; two sides of each tooth body connecting component (2) are respectively and rotatably connected in the limiting space of two adjacent tooth bodies (1); a stop piece (3) for preventing the tooth body connecting assembly (2) from separating from the limiting space is arranged in the limiting space of the tooth body (1); a plurality of elastic spacing positioning balls (4) are arranged between every two adjacent tooth bodies (1); a plurality of spherical grooves (1-4) matched with the elastic spacing positioning balls (4) are uniformly distributed on two side surfaces of the tooth body (1); the distance between every two adjacent tooth bodies (1) is smaller than the diameter of the elastic distance positioning ball (4).
2. A modular flex rack according to claim 1, wherein: the tooth body connecting assembly (2) comprises a first connecting block (2-1); the number of the first connecting blocks (2-1) is multiple, and each first connecting block (2-1) is sequentially arranged end to end; and connecting parts matched with the limiting space of the tooth body (1) are arranged on two sides of each first connecting block (2-1).
3. A modular flex rack according to claim 2, wherein: the connecting part of the gear body connecting component (2) is a first connecting ring (2-2); the axis of the first connecting ring (2-2) is parallel to the side line of the side surface of the first connecting block (2-1).
4. A modular flex rack according to claim 3, wherein: the first connecting rings (2-2) on two sides of the first connecting block (2-1) of the tooth body connecting assembly (2) are symmetrically arranged and are located on the edge of the end part of the first connecting block (2-1).
5. A modular flex rack according to claim 1, wherein: the gear body connecting assembly (2) comprises a second connecting block (2-3); a plurality of second connecting rings (2-4) matched with the limiting space of the gear body (1) are arranged on two sides of the second connecting block (2-3), and the second connecting rings (2-4) positioned on the same side of the second connecting block (2-3) are coaxially arranged.
6. A modular flex spline according to claim 5, wherein: the second connecting rings (2-4) on one side of the second connecting blocks (2-3) of the gear body connecting assembly (2) and the second connecting rings (2-4) on the other side of the gear body connecting assembly are arranged in a staggered mode on the projection of a horizontal plane.
7. A modular flex rack according to claim 1, wherein: the limiting space of the tooth body (1) comprises blind holes (1-1) arranged on the back surface of the tooth body (1) and notches (1-2) arranged on two side surfaces of the tooth body (1) and communicated with the blind holes (1-1).
8. A modular flex rack according to claim 7, wherein: the notch (1-2) of the limiting space of the tooth body (1) is a horn notch with a large outer part and a small inner part, and the width of the inner side of the notch (1-2) is smaller than the diameter of the blind hole (1-1).
9. A modular flex rack according to claim 7, wherein: the section of the blind hole (1-1) of the tooth body (1) is circular.
10. A modular flex rack according to claim 9 wherein: the stop piece (3) is clamped in the limiting space of each gear body (1), and the stop piece (3) tightly pushes the gear body connecting component (2); limiting grooves with inward openings are symmetrically formed in the inner wall of a blind hole (1-1) of the limiting space of the tooth body (1); the stop piece (3) comprises a main body (3-1) and elastic clamping pieces which are arranged on two sides of the main body and matched with the limiting grooves.
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CN201810904549.1A CN108916359B (en) | 2018-08-09 | 2018-08-09 | Modularized flexible rack |
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CN201810904549.1A CN108916359B (en) | 2018-08-09 | 2018-08-09 | Modularized flexible rack |
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CN108916359A CN108916359A (en) | 2018-11-30 |
CN108916359B true CN108916359B (en) | 2021-06-25 |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101407306A (en) * | 2008-11-14 | 2009-04-15 | 丰华 | Stacked flexible rack gear type elevating gear |
CN101896738A (en) * | 2007-08-23 | 2010-11-24 | 黄庆培 | An inner gear ring with variable tooth-number, the method of varying the tooth-number, and a variable transmission using the inner gear ring |
CN102152790A (en) * | 2010-01-22 | 2011-08-17 | 乔伊·姆·特拉华公司 | Rack bar haulage system with an improved rackbar to line pan connection |
CN202193589U (en) * | 2011-07-11 | 2012-04-18 | 李晖 | Rigid laminated chain lifting transmission device |
CN203717786U (en) * | 2014-01-24 | 2014-07-16 | 东阳市永美链条有限公司 | Chain with tooth parts |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20170137053A1 (en) * | 2015-10-20 | 2017-05-18 | Shenzhen Zhaowei Machinery&Electronics Co.,Ltd. | Transmission device and rack corner steering mechanism thereof |
-
2018
- 2018-08-09 CN CN201810904549.1A patent/CN108916359B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101896738A (en) * | 2007-08-23 | 2010-11-24 | 黄庆培 | An inner gear ring with variable tooth-number, the method of varying the tooth-number, and a variable transmission using the inner gear ring |
CN101407306A (en) * | 2008-11-14 | 2009-04-15 | 丰华 | Stacked flexible rack gear type elevating gear |
CN102152790A (en) * | 2010-01-22 | 2011-08-17 | 乔伊·姆·特拉华公司 | Rack bar haulage system with an improved rackbar to line pan connection |
CN202193589U (en) * | 2011-07-11 | 2012-04-18 | 李晖 | Rigid laminated chain lifting transmission device |
CN203717786U (en) * | 2014-01-24 | 2014-07-16 | 东阳市永美链条有限公司 | Chain with tooth parts |
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