CN114396431A - Plastic coupling - Google Patents
Plastic coupling Download PDFInfo
- Publication number
- CN114396431A CN114396431A CN202210216113.XA CN202210216113A CN114396431A CN 114396431 A CN114396431 A CN 114396431A CN 202210216113 A CN202210216113 A CN 202210216113A CN 114396431 A CN114396431 A CN 114396431A
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- China
- Prior art keywords
- connecting cylinder
- plastic
- bodies
- elastic
- plastic coupling
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000004033 plastic Substances 0.000 title claims abstract description 44
- 229920003023 plastic Polymers 0.000 title claims abstract description 44
- 230000008878 coupling Effects 0.000 title claims abstract description 30
- 238000010168 coupling process Methods 0.000 title claims abstract description 30
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 30
- 239000000463 material Substances 0.000 claims abstract description 30
- 230000005540 biological transmission Effects 0.000 claims description 15
- 239000013013 elastic material Substances 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 12
- 230000005489 elastic deformation Effects 0.000 abstract description 11
- 239000002184 metal Substances 0.000 abstract description 7
- 230000008602 contraction Effects 0.000 description 8
- 230000033001 locomotion Effects 0.000 description 7
- 230000008859 change Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Images
Classifications
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
- F16D1/02—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for connecting two abutting shafts or the like
- F16D1/04—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for connecting two abutting shafts or the like with clamping hub; with hub and longitudinal key
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/02—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive adapted to specific functions
- F16D3/12—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive adapted to specific functions specially adapted for accumulation of energy to absorb shocks or vibration
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Springs (AREA)
Abstract
The invention relates to the technical field of couplings, and discloses a plastic coupling which comprises two half bodies, wherein the half bodies are provided with connecting cylinders, the half bodies and the connecting cylinders are made of plastic materials, movable grooves are formed in the connecting cylinders, elastic hoop bodies are sleeved outside the connecting cylinders, and the elastic hoop bodies act on the connecting cylinders to tighten the connecting cylinders. The invention changes the material of the existing coupling from metal to plastic, thus reducing the manufacturing cost; and set up the activity groove and set up the elasticity hoop body on the connecting cylinder originally, the activity groove provides the space for the elastic deformation that the expend with heat and contract with cold of connecting cylinder caused, and the elasticity hoop body elasticity that sets up acts on the connecting cylinder and makes it tighten up the back and paste tightly with driving shaft or driven shaft, avoids the emergence of above-mentioned situation to influence the normal use of shaft coupling.
Description
Technical Field
The invention relates to the technical field of couplings, in particular to a plastic coupling.
Background
The coupling is also called coupling, and is used for firmly connecting a driving shaft and a driven shaft in different mechanisms to rotate together and transmitting mechanical components of movement and torque. Usually, the two halves are combined and fastened to the two shaft ends by a key or a tight fit, and then the two halves are connected in a certain way. The coupling can compensate the offset (including axial offset, radial offset, angular offset or comprehensive offset) between two shafts caused by inaccurate manufacture and installation, deformation or thermal expansion in work and the like, and can alleviate impact and absorb vibration. The existing coupler on the market is basically made of metal materials, and the cost is high.
Disclosure of Invention
The invention aims to provide a plastic coupling, aiming at solving the problem of higher cost.
The technical purpose of the invention is realized by the following technical scheme:
a plastic coupling comprises two half bodies, wherein the half bodies are provided with connecting cylinders, the half bodies and the connecting cylinders are made of plastic materials, movable grooves are formed in the connecting cylinders, elastic hoop bodies are sleeved outside the connecting cylinders, and the elastic hoop bodies act on the connecting cylinders to enable the connecting cylinders to be tightened.
Through foretell technical scheme, during the use, cooperate the driving shaft (drive driving shaft rotation by the prime mover) with the inner wall of a connecting cylinder, cooperate the driven shaft (link to each other with the working machine) with the inner wall of another connection, then when the prime mover drives the driving shaft and rotates, can loop through two halfbodies with the rotational motion and transmit to the driven shaft, the driven shaft rotates, then drives the working part rotation of working machine, so realized its function of transmission motion and moment of torsion. The invention changes the material of the existing coupler from metal to plastic, thereby reducing the manufacturing cost; the plastic coupler can be easily loosened from the driving shaft and the driven shaft due to expansion with heat and contraction with cold and abrasion when in use, the movable groove is originally formed in the connecting cylinder by an applicant and is provided with the elastic hoop body, the movable groove provides a space for elastic deformation caused by expansion with heat and contraction with cold of the connecting cylinder, the elastic hoop body can act on the connecting cylinder in an elastic manner to enable the connecting cylinder to be tightly attached to the driving shaft or the driven shaft after being tightened, the phenomenon that the normal use of the coupler is influenced due to the occurrence of the situation is avoided, therefore, the coupler material is changed from metal into plastic material, the manufacturing cost can be reduced, the normal use of the coupler is not influenced, and meanwhile, the noise of the coupler made of the plastic material is smaller when the coupler is actually used.
The invention is further provided with: the number of the movable grooves of each connecting cylinder is one or two or more.
By the technical scheme, when one movable groove is provided, a space can be provided for elastic deformation caused by expansion with heat and contraction with cold of the connecting cylinder; when the number of the movable grooves is two or more, the connecting cylinder is respectively in two or more sheet structures by the two or more movable grooves, and the connecting cylinder can be distributed to each sheet structure when the connecting cylinder generates elastic deformation caused by thermal expansion and cold contraction, so that the deformation of the sheet structure is smaller when the connecting cylinder is subjected to the same thermal expansion and cold contraction, the inner wall of the connecting cylinder is more easily kept in a state of being tightly matched with the driven shaft and the driving shaft, and the coupler is further ensured to always keep a good function of transmitting motion and torque;
the invention is further provided with: the inner wall of the connecting cylinder is provided with a key groove.
Through foretell technical scheme, be provided with on driving shaft and the driven shaft correspondingly with keyway complex key, the key that sets up on driving shaft and the driven shaft and connecting cylinder were seted up can change and link more steadily through the meshing of physical shape to overcome the not good problem of transmission power that probably appears after changing into plastics material.
The invention is further provided with: the key groove is a spline groove.
Through foretell technical scheme, be provided with on driving shaft and the driven shaft correspondingly with spline groove complex spline, the spline is inseparabler with spline groove's cooperation to further guarantee the linkage between driving shaft and driven shaft and the connecting cylinder.
The invention is further provided with: the elastic hoop body is a steel hoop.
Through foretell technical scheme, the steel hoop possesses certain structural strength when possessing certain elastic deformation's ability to can exert elasticity and make it tighten up to the outer wall of connecting cylinder.
The invention is further provided with: the transmission structure comprises a plurality of clamping bodies evenly arranged at the end part of one half body and a plurality of clamping grooves evenly arranged at the end part of the other half body, and the clamping bodies are clamped in the clamping grooves.
Through the technical scheme, when the clamping bodies (3, 4 or 5 can be arranged) are clamped in the clamping grooves, the rotation of one half body can drive the rotation of the other half body, so that the transmission function of the two half bodies is realized, and the transmission function of the coupler is realized.
The invention is further provided with: the buffer structure is made of elastic materials and comprises an inner ring body and a plurality of buffer blocks arranged on the periphery of the inner ring body, the two ends, close to the half bodies, of the two half bodies are provided with accommodating grooves used for accommodating the inner ring body, and the buffer blocks are clamped in the clamping grooves.
Through the technical scheme, the buffer structure made of the elastic material enables the coupler to be compact in structure, can compensate the offset between the two shafts due to inaccurate manufacturing and installation, deformation or thermal expansion in working and the like, can alleviate impact and absorb vibration, and can protect a prime motor and a working machine from being damaged or not; the buffer structures with different elasticity are replaced, so that the device is suitable for different use scenes; and because the halfbody is made by the plastics material, when taking place relative friction between the halfbody of plastics material and the buffer structure on the one hand make buffer structure's wear less to make its incorruptibility higher, on the other hand be difficult for producing the noise between the two.
The invention is further provided with: the buffer structure is made of rubber materials.
Through the technical scheme, the rubber material is easy to obtain, low in price and elastic, and can be used as a manufacturing material of the buffer structure.
Compared with the prior art, the invention has the beneficial effects that:
the invention changes the material of the existing coupler from metal to plastic, thereby reducing the manufacturing cost. However, the plastic coupler has the following problems that firstly, the plastic coupler expands with heat and contracts with cold in the use process, the size change is large, the connecting structure between the plastic coupler and the driving shaft or the driven shaft is easy to be too loose or too tight, secondly, the plastic coupler is easy to wear in the use process, and the connecting structure between the plastic coupler and the driving shaft or the driven shaft is easy to be loose after being worn, so that the normal use of the coupler is influenced.
In order to solve the two problems, the applicant originally sets a movable groove on the connecting cylinder, the connecting cylinder is made of plastic, certain elastic deformation capacity exists, the elastic hoop body is arranged to act on the connecting cylinder body, the connecting cylinder is tightly attached to the driving shaft or the driven shaft after being tightened, the phenomenon that the power transmission is influenced due to the fact that the connecting cylinder is loosened from the driving shaft or the driven shaft is avoided, and the movable groove provides a space for elastic deformation of the connecting cylinder. So, change the shaft coupling material into the plastics material by the metal, can reduce manufacturing cost, do not influence the normal use of shaft coupling again, the noise that the shaft coupling during operation of plastics material produced is littleer simultaneously.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a first schematic structural diagram of the present invention;
FIG. 2 is a second schematic structural view of the present invention;
FIG. 3 is a first cross-sectional view of the present invention;
FIG. 4 is a third schematic structural view of the present invention;
FIG. 5 is a second cross-sectional view of the present invention;
fig. 6 is a schematic view of the structure of the present invention in use.
In the figure, 1, half; 2. a connecting cylinder; 3. a movable groove; 4. an elastic hoop body; 5. a keyway; 6. a transmission structure; 6a, a clamping body; 6b, a clamping groove; 7. a buffer structure; 7a, an inner ring body; 7b, a buffer block; 8. accommodating grooves; 9. a drive shaft; 10. a driven shaft.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings and specific embodiments. It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.
The invention provides a plastic coupling, which comprises two half bodies 1 as shown in figures 1 to 6, wherein the half bodies 1 are provided with connecting cylinders 2, the half bodies 1 and the connecting cylinders 2 are made of plastic materials, the connecting cylinders 2 are provided with movable grooves 3, elastic hoop bodies 4 are sleeved outside the connecting cylinders 2, and the elastic hoop bodies 4 act on the connecting cylinders 2 through elasticity to tighten the connecting cylinders 2.
Through the technical scheme, when the transmission device is used, the driving shaft 9 (the driving shaft 9 is driven by the prime motor to rotate) is matched with the inner wall of one connecting cylinder 2, and the driven shaft 10 (connected with the working machine) is matched with the inner wall connected with the other connecting cylinder, so that when the driving shaft 9 is driven by the prime motor to rotate, the rotating motion can be transmitted to the driven shaft 10 through the two half bodies 1 in sequence, the driven shaft 10 rotates, the working part of the working machine is driven to rotate, and the function of transmitting the motion and the torque is realized. The invention changes the material of the existing coupler from metal to plastic, thereby reducing the manufacturing cost; and the plastic coupling can appear when using because expend with heat and contract with cold and wearing and tearing cause and driving shaft 9, the condition that the flexible appears between the driven shaft 10, the applicant sets up the movable groove 3 and sets up the elastic hoop body on connecting cylinder 2 originally, the movable groove 3 provides the space for the elastic deformation that expend with heat and contract with cold of connecting cylinder 2 caused, and the elastic hoop body 4 that sets up can the elasticity act on connecting cylinder 2 and make it tighten up the back and paste with driving shaft 9 or driven shaft 10 tightly, avoid the emergence of above-mentioned situation to influence the normal use of coupling, so, change the coupling material into the plastics material by the metal, can reduce manufacturing cost, do not influence the normal use of coupling again, the noise when the coupling of plastics material actually uses is littleer simultaneously.
The number of the movable grooves 3 of each connecting cylinder 2 is one or two or more, and when one movable groove 3 is provided, a space can be provided for elastic deformation caused by expansion with heat and contraction with cold of the connecting cylinder 2; when the movable grooves 3 are two or more, the connecting cylinder 2 is respectively in two or more sheet structures by the two or more movable grooves 3, and the connecting cylinder 2 can be distributed to each sheet structure when the connecting cylinder 2 generates elastic deformation caused by thermal expansion and cold contraction, so that the deformation of the sheet structure of a single sheet is smaller when the connecting cylinder is subjected to the same thermal expansion and cold contraction, and the inner wall of the connecting cylinder 2, the driven shaft 10 and the driving shaft 9 are more easily kept in a tightly matched state, and the coupler is further ensured to keep good functions of transmitting motion and torque all the time;
keyway 5 has been seted up to 2 inner walls of connecting cylinder, be provided with on driving shaft 9 and the driven shaft 10 correspondingly with keyway 5 complex key, the key that sets up on driving shaft 9 and the driven shaft 10 can change and link more steadily through the meshing of physical shape with keyway 5 that connecting cylinder 2 was seted up to overcome and trade the not good problem of transmission power that probably appears after the plastics material.
The key slot 5 is a spline slot, splines matched with the spline slot are correspondingly arranged on the driving shaft 9 and the driven shaft 10, and the spline slot are matched more tightly, so that the linkage between the driving shaft 9 and the driven shaft 10 and the connecting cylinder 2 is further ensured.
The elastic hoop body 4 is a steel hoop which has certain elastic deformation capacity and certain structural strength, so that the outer wall of the connecting cylinder 2 can be tightened by applying elasticity.
The transmission structure 6 comprises a plurality of clamping bodies 6a uniformly arranged at the end part of one half body 1 and a plurality of clamping grooves 6b uniformly arranged at the end part of the other half body 1, the clamping bodies 6a are clamped in the clamping grooves 6b, when the clamping bodies 6a (3, 4 or 5 can be arranged) are clamped in the clamping grooves 6b, the rotation of one half body 1 can drive the rotation of the other half body 1, so that the transmission function of the two half bodies 1 is realized, and the transmission function of the coupler is realized.
The coupler is characterized by further comprising a buffer structure 7 made of elastic materials, wherein the buffer structure 7 comprises an inner ring body 7a and a plurality of buffer blocks 7b arranged on the periphery of the inner ring body 7a, accommodating grooves 8 used for accommodating the inner ring body 7a are formed in the ends, close to the two half bodies 1, of the two half bodies, the buffer blocks 7b are clamped in the clamping grooves 6b, the buffer structure 7 made of the elastic materials enables the coupler to be compact in structure, can compensate offset between the two shafts due to manufacturing and mounting inaccuracy, deformation or thermal expansion in working and the like, can alleviate impact and vibration absorption, and can protect a prime motor and a working machine from being damaged or not being damaged; the buffer structures 7 with different elasticity are replaced, so that the device is suitable for different use scenes; and because the half body 1 is made of plastic materials, when the half body 1 made of plastic materials and the buffer structure 7 are subjected to relative friction, on one hand, the wear of the buffer structure 7 is smaller, so that the durability of the buffer structure is higher, and on the other hand, noise is less prone to being generated between the half body 1 made of plastic materials and the buffer structure.
The buffer structure 7 is made of rubber materials which are easy to obtain, cheap and elastic and can be used as manufacturing materials of the buffer structure 7.
The above description is only for the purpose of describing the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention, and any variations and modifications made by those skilled in the art based on the above disclosure are within the scope of the appended claims.
Claims (8)
1. A plastic coupling, comprising two halves (1), said halves (1) being provided with connecting cylinders (2), characterized in that: the half body (1) and the connecting cylinder (2) are made of plastic materials, the connecting cylinder (2) is provided with a movable groove (3), an elastic hoop body (4) is sleeved outside the connecting cylinder (2), and the elastic hoop body (4) acts on the connecting cylinder (2) through elasticity to enable the connecting cylinder (2) to be tightened.
2. A plastic coupling according to claim 1, wherein: the number of the movable grooves (3) of each connecting cylinder (2) is one or two or more.
3. A plastic coupling according to claim 1, wherein: the inner wall of the connecting cylinder (2) is provided with a key groove (5).
4. A plastic coupling according to claim 3, wherein: the key groove (5) is a spline groove.
5. A plastic coupling according to claim 1, wherein: the elastic hoop body (4) is a steel hoop.
6. A plastic coupling according to any one of claims 1-5, wherein: the transmission structure (6) enables the two half bodies (1) to realize transmission, the transmission structure (6) comprises a plurality of clamping bodies (6a) evenly arranged at the end part of one half body (1) and a plurality of clamping grooves (6b) evenly arranged at the end part of the other half body (1), and the clamping bodies (6a) are clamped in the clamping grooves (6 b).
7. A plastic coupling according to claim 6, wherein: the buffer structure (7) is made of elastic materials, the buffer structure (7) comprises an inner ring body (7a) and a plurality of buffer blocks (7b) arranged on the periphery of the inner ring body (7a), an accommodating groove (8) used for accommodating the inner ring body (7a) is formed in one end, close to each other, of each of the two half bodies (1), and the buffer blocks (7b) are clamped in the clamping grooves (6 b).
8. A plastic coupling according to claim 7, wherein: the buffer structure (7) is made of rubber materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210216113.XA CN114396431A (en) | 2022-03-07 | 2022-03-07 | Plastic coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210216113.XA CN114396431A (en) | 2022-03-07 | 2022-03-07 | Plastic coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114396431A true CN114396431A (en) | 2022-04-26 |
Family
ID=81234396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210216113.XA Pending CN114396431A (en) | 2022-03-07 | 2022-03-07 | Plastic coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114396431A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10331860A (en) * | 1997-05-30 | 1998-12-15 | Kyoritsu Kogyo Kk | Plastic shaft coupling |
| US6682432B1 (en) * | 2002-09-04 | 2004-01-27 | Kinzou Shinozuka | Multiple shaft diameter flexible coupling system |
| JP2007089495A (en) * | 2005-09-29 | 2007-04-12 | Matsuyama Plow Mfg Co Ltd | Agricultural implement |
| CN204226465U (en) * | 2014-11-25 | 2015-03-25 | 广东梅雁吉祥水电股份有限公司 | A kind of plum coupling |
| CN206274051U (en) * | 2016-11-08 | 2017-06-23 | 新兴铸管股份有限公司 | Spline coupling |
| CN217029700U (en) * | 2022-03-07 | 2022-07-22 | 国太阳科技有限公司 | Plastic coupling |
-
2022
- 2022-03-07 CN CN202210216113.XA patent/CN114396431A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10331860A (en) * | 1997-05-30 | 1998-12-15 | Kyoritsu Kogyo Kk | Plastic shaft coupling |
| US6682432B1 (en) * | 2002-09-04 | 2004-01-27 | Kinzou Shinozuka | Multiple shaft diameter flexible coupling system |
| JP2007089495A (en) * | 2005-09-29 | 2007-04-12 | Matsuyama Plow Mfg Co Ltd | Agricultural implement |
| CN204226465U (en) * | 2014-11-25 | 2015-03-25 | 广东梅雁吉祥水电股份有限公司 | A kind of plum coupling |
| CN206274051U (en) * | 2016-11-08 | 2017-06-23 | 新兴铸管股份有限公司 | Spline coupling |
| CN217029700U (en) * | 2022-03-07 | 2022-07-22 | 国太阳科技有限公司 | Plastic coupling |
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