CN204300164U - Connect stable shaft coupling - Google Patents
Connect stable shaft coupling Download PDFInfo
- Publication number
- CN204300164U CN204300164U CN201420654989.3U CN201420654989U CN204300164U CN 204300164 U CN204300164 U CN 204300164U CN 201420654989 U CN201420654989 U CN 201420654989U CN 204300164 U CN204300164 U CN 204300164U
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- annular
- coupler
- shaft coupling
- polyurethane
- straight pin
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Abstract
The utility model discloses the stable shaft coupling of a kind of connection, be provided with becket between terminal pad, becket first type surface is provided with the first through hole, and the first through hole is connected with metal collar plug-in, and the inner ring annular of becket is provided with teeth groove; The terminal pad first type surface central area of the second half a coupler is provided with the first annular projection, and the outer surface annular of the first annular projection is provided with lobe, and lobe engages with teeth groove; External thread column is provided with between the screw rod of straight pin and spiral shell head, polyurethane rings is provided with between the spiral shell head of straight pin and the back side of the second half a coupler, the even annular of polyurethane rings first type surface is provided with the first screwed hole, polyurethane rings with first type surface center line for symmetry axis is evenly divided into two parts, it is trapezoidal annular groove that polyurethane rings outer surface is provided with cross section, and in annular groove, buckle-type is connected with V-belt.Global design is novel, the transmission of exerting all one's strength more uniform and stable, thus reduces the fluctuation of shaft coupling, and making can more even running, reduces frequency of maintenance, saves maintenance cost.
Description
Technical field
The utility model relates to a kind of mechanical part, is specifically related to the stable shaft coupling of a kind of connection.
Background technology
Elastic dowel pin shaft coupling is the pin utilizing some non-metallic elastic materials to make, and is placed in two half a coupler flange holes, realizes two half a couplers connect by pin, this coupler structure is simple, easy manufacture, it is more convenient that flexible member is changed in mounting or dismounting, need not move two shaft couplings.Nylon 6 generally selected by the material of flexible member (pin), trace is had to compensate two axial lines excursion capability, sheared during elastic component work, functional reliability extreme difference, be only applicable to require very low middling speed drive shaft system, be not suitable for and do to require higher operating mode by property by elastic dowel pin shaft coupling, the drive shaft system of the hoisting mechanism of such as hoisting machinery definitely can not be selected, low speed load-bearing should not be used for and there is intense impact and the larger drive shaft system of vibration, larger operating mode be offset for radial and angle and the lower drive shaft system of installation accuracy also should not be selected.Pin in elastic dowel pin shaft coupling axle is operationally in shearing and squeezed state, and its strength condition is exactly the crushing strength of shear strength on calculating elastic pin cross section and pin and pin-and-hole wall.Elastic dowel pin shaft coupling (GB5014-85) is suitable for the transmission system of various coaxial line, utilizes nylon rod cross section shear strength transmitting torque, nominal torque 160-160000N.M, and operating temperature is-20 DEG C-80 DEG C.Structure is simple, has bumper and absorbing shock performance and certain axle offset compensation ability, and the occasion being adapted at the environment of not control noise uses.The radial 0.15-0.25mm angle 0.5 ° of compensation rate allowable.Concrete model has HL1, HL2, HL3, HL4, HL5, HL6, HL7, HL8, HL9, HL10, HL11, HL12, HL13, HL14
Axis hole pattern has cylindrical (Y), conical (Z) and short cylindrical shape (J).Axis hole and keyway are by the regulation processing of standard GB/T 3852-83 " shaft coupling jack-post and keyway type and size ".Half a coupler adopts hot investment casting, cast iron HT20-40, cast steel ZG35 II, and axis hole and keyway adopt drawing shaping, and pin adopts MC nylon b to make.In our every day use process, find that its impulsive force can compare large, so shine into straight pin distortion, impact uses, also as due to stressed be stressed on homonymy circular arc line, stressed side is very easy to wearing and tearing.And polyurethane shock absorbing ring has swing on relative position and rotation, is easy to shine into the infringement of self and the infringement of connecting hole.
Summary of the invention
For above-mentioned prior art Problems existing, the utility model provides a kind of and connects stable shaft coupling.
To achieve these goals, the technical solution adopted in the utility model is: the stable shaft coupling of a kind of connection, comprise the first half a coupler and the second half a coupler that are provided with terminal pad, the terminal pad of the first half a coupler is fixedly connected with by straight pin with the terminal pad of the second half a coupler, be provided with polyurethane shock absorbing ring between the terminal pad of straight pin and the second half a coupler, straight pin go back plug-in outside polyurethane shock absorbing ring and is connected with metal collar; Be provided with becket between terminal pad, becket first type surface annular is provided with the first through hole, and the first through hole is connected with metal collar plug-in, and the inner ring annular of becket is provided with teeth groove; The terminal pad first type surface central area of the second half a coupler is provided with the first annular projection, and the outer surface annular of the first annular projection is provided with lobe, and lobe engages with teeth groove; External thread column is provided with between the screw rod of straight pin and spiral shell head, polyurethane rings is provided with between the spiral shell head of straight pin and the back side of the second half a coupler, the even annular of polyurethane rings first type surface is provided with the first screwed hole, polyurethane rings with first type surface center line for symmetry axis is evenly divided into two parts, it is trapezoidal annular groove that polyurethane rings outer surface is provided with cross section, and in annular groove, buckle-type is connected with V-belt; And external thread column is threaded with the first screwed hole.
As preferably, the first through hole and straight pin one_to_one corresponding.
As preferably, the thickness of the Thickness Ratio metal collar of the first annular projection is little.
As preferably, the first screwed hole and straight pin one_to_one corresponding.
As preferably, polyurethane shock absorbing ring is structure as a whole, and the front annular of external thread column is provided with arc convex, and arc convex is connected with the side face plug-in of polyurethane shock absorbing ring.
As preferably, fitting in terminal pad front and the metal collar front of the first half a coupler, fits with polyurethane shock absorbing ring two sides respectively in the metal collar back side and external thread column front.
As preferably, metal spring core is in axial direction inlaid with in V-belt, the opening and closing place of polyurethane rings is provided with arc-like sheet, arc-like sheet first type surface is provided with one group of second screwed hole, first screwed hole one_to_one corresponding of the both sides, opening and closing place of the second screwed hole and polyurethane rings, second screwed hole is threaded with external thread column, and arc-like sheet quantity is the 2, second screwed hole quantity is 4.
Compared with prior art, the utility model has the advantage of:
1. be provided with becket between terminal pad, becket first type surface annular is provided with the first through hole, and the first through hole is connected with metal collar plug-in, and the inner ring annular of becket is provided with teeth groove; The terminal pad first type surface central area of the second half a coupler is provided with the first annular projection, the outer surface annular of the first annular projection is provided with lobe, lobe engages with teeth groove, increase revolving force during power transmission, during rotation by straight pin, stress point institute is stressed isolates one and shifts, thus decreases a part of intensity, ensure normal stably operation, improve service time, reduce frequency of maintenance, reduce maintenance cost;
2. be provided with external thread column between the screw rod of straight pin and spiral shell head, polyurethane rings is provided with between the spiral shell head of straight pin and the back side of the second half a coupler, the even annular of polyurethane rings first type surface is provided with the first screwed hole, polyurethane rings with first type surface center line for symmetry axis is evenly divided into two parts, it is trapezoidal annular groove that polyurethane rings outer surface is provided with cross section, in annular groove, buckle-type is connected with V-belt, increase revolving force during power transmission, during rotation by straight pin, stress point institute is stressed isolates one and shifts, thus decrease a part of intensity, ensure the running uniformity of straight pin simultaneously, an effect slowed down is played to the swing of straight pin when rotating, thus slow down overall vibration amplitude, ensure even running, and change conveniently,
3. becket and polyurethane rings form one group of corresponding fulcrum, make the stressed more evenly with steady of straight pin;
4. polyurethane shock absorbing ring is structure as a whole, and the front annular of external thread column is provided with arc convex, and arc convex is connected with the side face plug-in of polyurethane shock absorbing ring, effectively stops the rotation of polyurethane shock absorbing ring, prevents the wearing and tearing of self wearing and tearing and connecting hole;
5. global design is novel, the transmission of exerting all one's strength more uniform and stable, thus reduces the fluctuation of shaft coupling, and making can more even running, reduces frequency of maintenance, saves maintenance cost.
Accompanying drawing explanation
Fig. 1 is the structural representation that the utility model connects stable shaft coupling.
Fig. 2 is the becket structural representation that the utility model connects stable shaft coupling.
Fig. 3 is the straight pin structural representation that the utility model connects stable shaft coupling.
Fig. 4 is the A-A cross-sectional view that the utility model connects stable shaft coupling.
Fig. 5 is the polyurethane rings structural representation that the utility model connects stable shaft coupling.
Fig. 6 is the B-B structural representation that the utility model connects stable shaft coupling.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
The stable shaft coupling of a kind of connection, comprise the first half a coupler 1 and the second half a coupler 2 being provided with terminal pad 5, the terminal pad 5 of the first half a coupler 1 is fixedly connected with by straight pin 3 with the terminal pad 5 of the second half a coupler 2, be provided with polyurethane shock absorbing ring 4 between straight pin 3 and the terminal pad 5 of the second half a coupler 2, straight pin 3 gone back plug-in outside polyurethane shock absorbing ring 4 and be connected with metal collar 6; Be provided with becket 7 between terminal pad 5, becket 7 first type surface annular is provided with the first through hole 72, first through hole 72 and is connected with metal collar 6 plug-in, and the inner ring annular of becket 7 is provided with teeth groove 71; The terminal pad 5 first type surface central area of the second half a coupler 2 is provided with the first annular projection 21, the outer surface annular of the first annular projection 21 is provided with lobe, lobe engages with teeth groove 71, increase revolving force during power transmission, isolate stress point institute is stressed during the rotation of straight pin 3 one and shift, thus decrease a part of intensity, ensure normal stably operation, improve service time, reduce frequency of maintenance, reduce maintenance cost; External thread column 31 is provided with between the screw rod of straight pin 3 and spiral shell head, polyurethane rings 9 is provided with between the spiral shell head of straight pin 3 and the back side of the second half a coupler 2, the even annular of polyurethane rings 9 first type surface is provided with the first screwed hole 91, polyurethane rings 9 with first type surface center line for symmetry axis is evenly divided into two parts, it is trapezoidal annular groove 92 that polyurethane rings 9 outer surface is provided with cross section, and in annular groove 92, buckle-type is connected with V-belt 8; And external thread column 31 is threaded with the first screwed hole 91.First through hole 72 and straight pin 3 one_to_one corresponding, increase revolving force during power transmission, isolate stress point institute is stressed during the rotation of straight pin 3 one and shift, thus decrease a part of intensity, ensure the running uniformity of straight pin 3 simultaneously, an effect slowed down is played to the swing of straight pin 3 when rotating, thus slows down overall vibration amplitude, ensure even running, and change conveniently.The thickness of the Thickness Ratio metal collar 6 of the first annular projection 21 is little.First screwed hole 91 and straight pin 3 one_to_one corresponding.Polyurethane shock absorbing ring 4 is structure as a whole, and the front annular of external thread column 31 is provided with arc convex 32, and arc convex 32 is connected with the side face plug-in of polyurethane shock absorbing ring 4.Fitting in terminal pad 5 front and metal collar 6 front of the first half a coupler 1, fits with polyurethane shock absorbing ring 4 two sides respectively in metal collar 6 back side and external thread column 31 front.Metal spring core is in axial direction inlaid with in V-belt 8, the opening and closing place of polyurethane rings 9 is provided with arc-like sheet, arc-like sheet first type surface is provided with one group of second screwed hole, first screwed hole 91 one_to_one corresponding of the both sides, opening and closing place of the second screwed hole and polyurethane rings 9, second screwed hole is threaded with external thread column 31, arc-like sheet quantity is the 2, second screwed hole quantity is 4.
As shown in Figure 1, the screw sections of straight pin 3 can be rectangle, and the installing hole of polyurethane shock absorbing ring 4 coordinates with the screw rod of straight pin 3, is conducive to preventing the rotation of polyurethane shock absorbing ring 4 from causing wearing and tearing.In one embodiment, be provided with becket 7 between terminal pad 5, becket 7 first type surface annular is provided with the first through hole 72, first through hole 72 and is connected with metal collar 6 plug-in, and the inner ring annular of becket 7 is provided with teeth groove 71; The terminal pad 5 first type surface central area of the second half a coupler 2 is provided with the first annular projection 21, the outer surface annular of the first annular projection 21 is provided with lobe, lobe engages with teeth groove 71, increase revolving force during power transmission, isolate stress point institute is stressed during the rotation of straight pin 3 one and shift, thus decrease a part of intensity, ensure normal stably operation, improve service time, reduce frequency of maintenance, reduce maintenance cost.
The utility model can not be limited to these embodiments shown in this article, but will accord with principle disclosed herein and the consistent the widest scope of features of novelty.
Claims (7)
1. one kind connects stable shaft coupling, comprise the first half a coupler and the second half a coupler that are provided with terminal pad, the terminal pad of the first half a coupler is fixedly connected with by straight pin with the terminal pad of the second half a coupler, be provided with polyurethane shock absorbing ring between the terminal pad of straight pin and the second half a coupler, straight pin go back plug-in outside polyurethane shock absorbing ring and is connected with metal collar; It is characterized in that: be provided with becket between described terminal pad, becket first type surface annular is provided with the first through hole, and the first through hole is connected with metal collar plug-in, and the inner ring annular of becket is provided with teeth groove; The terminal pad first type surface central area of described second half a coupler is provided with the first annular projection, and the outer surface annular of the first annular projection is provided with lobe, and lobe engages with teeth groove; External thread column is provided with between the screw rod of described straight pin and spiral shell head, polyurethane rings is provided with between the spiral shell head of straight pin and the back side of the second half a coupler, the even annular of polyurethane rings first type surface is provided with the first screwed hole, polyurethane rings with first type surface center line for symmetry axis is evenly divided into two parts, it is trapezoidal annular groove that polyurethane rings outer surface is provided with cross section, and in annular groove, buckle-type is connected with V-belt; And described external thread column is threaded with the first screwed hole.
2. the stable shaft coupling of connection according to claim 1, is characterized in that: described first through hole and straight pin one_to_one corresponding.
3. the stable shaft coupling of connection according to claim 1, is characterized in that: the thickness of the Thickness Ratio metal collar of described first annular projection is little.
4. the stable shaft coupling of connection according to claim 1, is characterized in that: described first screwed hole and straight pin one_to_one corresponding.
5. the stable shaft coupling of connection according to claim 1, is characterized in that: described polyurethane shock absorbing ring is structure as a whole, and the front annular of external thread column is provided with arc convex, and arc convex is connected with the side face plug-in of polyurethane shock absorbing ring.
6. the stable shaft coupling of connection according to claim 1, is characterized in that: fit in terminal pad front and the metal collar front of described first half a coupler, fits with polyurethane shock absorbing ring two sides respectively in the metal collar back side and external thread column front.
7. the stable shaft coupling of connection according to claim 1, it is characterized in that: in described V-belt, be in axial direction inlaid with metal spring core, the opening and closing place of polyurethane rings is provided with arc-like sheet, arc-like sheet first type surface is provided with one group of second screwed hole, first screwed hole one_to_one corresponding of the both sides, opening and closing place of the second screwed hole and polyurethane rings, second screwed hole is threaded with external thread column, and arc-like sheet quantity is the 2, second screwed hole quantity is 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420654989.3U CN204300164U (en) | 2014-11-05 | 2014-11-05 | Connect stable shaft coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420654989.3U CN204300164U (en) | 2014-11-05 | 2014-11-05 | Connect stable shaft coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204300164U true CN204300164U (en) | 2015-04-29 |
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ID=53105707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420654989.3U Expired - Fee Related CN204300164U (en) | 2014-11-05 | 2014-11-05 | Connect stable shaft coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204300164U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105422666A (en) * | 2015-12-20 | 2016-03-23 | 重庆赛力盟电机有限责任公司 | Elastic coupling for spline shaft |
| CN106763259A (en) * | 2016-11-28 | 2017-05-31 | 韦尚仁 | For the shaft coupling of axial buffer |
| CN110005721A (en) * | 2019-02-26 | 2019-07-12 | 荣基工业科技（江苏）有限公司 | A kind of flexible coupling of Wind turbines |
| CN113584744A (en) * | 2021-10-08 | 2021-11-02 | 徐州力达缝纫设备制造有限公司 | Transmission system of sewing device |
-
2014
- 2014-11-05 CN CN201420654989.3U patent/CN204300164U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105422666A (en) * | 2015-12-20 | 2016-03-23 | 重庆赛力盟电机有限责任公司 | Elastic coupling for spline shaft |
| CN106763259A (en) * | 2016-11-28 | 2017-05-31 | 韦尚仁 | For the shaft coupling of axial buffer |
| CN110005721A (en) * | 2019-02-26 | 2019-07-12 | 荣基工业科技（江苏）有限公司 | A kind of flexible coupling of Wind turbines |
| CN113584744A (en) * | 2021-10-08 | 2021-11-02 | 徐州力达缝纫设备制造有限公司 | Transmission system of sewing device |
| CN113584744B (en) * | 2021-10-08 | 2021-12-14 | 徐州力达缝纫设备制造有限公司 | Transmission system of sewing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150429 Termination date: 20151105 |
|
| EXPY | Termination of patent right or utility model |