CN212225900U - Gearless synchronous belt pulley transmission mechanism - Google Patents
Gearless synchronous belt pulley transmission mechanism Download PDFInfo
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- CN212225900U CN212225900U CN201922148565.5U CN201922148565U CN212225900U CN 212225900 U CN212225900 U CN 212225900U CN 201922148565 U CN201922148565 U CN 201922148565U CN 212225900 U CN212225900 U CN 212225900U
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Abstract
The utility model provides a gearless synchronous belt wheel transmission mechanism, which comprises a driven wheel, a driving wheel and a synchronous toothed belt; the driven wheel and the driving wheel are connected to the inner side of the synchronous toothed belt and symmetrically arranged in the inner side of the synchronous toothed belt; the driving wheel is a synchronous tooth type belt wheel, the driven wheel is a toothless synchronous belt wheel, and the synchronous tooth type belt forms a toothless synchronous belt wheel transmission mechanism, so that various functions of mechanical transmission are realized; synchronous transmission without slip is realized, and accurate transmission ratio is obtained; the energy-saving effect is good; the structure is compact; the requirement on the center distance during installation is reduced, and the obtained product is simple in processing technology, low in material cost and suitable for medical instruments and other transmission mechanisms.
Description
Technical Field
The utility model relates to the technical field of transmission, especially, relate to a toothless synchronous pulley drive mechanism.
Background
In the medical instrument industry, the IVD is taken as an independent branch of the medical instrument, has a unique definition and regulation supervision system, mainly comprises instruments, reagents or systems for in vitro diagnosis, and a transmission mechanism can be used for a mechanical transmission system in the IVD; the transmission mechanism can be applied to IVD products in the medical appliance industry, and can also be applied to mechanical transmission in other industries with smaller transmission power, such as light industry fields of textile, printing, food and the like.
Currently, all IVD products are attached to medical instruments (MD) except for in vitro diagnostic reagents for blood source screening and drug administration with defined attribution of radionuclide labels; synchronous belt drive mechanisms are largely used on IVD products, such as a sampling component and a sample introduction system of a blood cell analyzer, a sampling needle drive mechanism of a biochemical analyzer and the like; the synchronous belt wheel and the synchronous belt form a transmission pair to realize mechanical transmission with multiple functions.
The synchronous belt transmission has the advantages of belt transmission, chain transmission and gear transmission; in the synchronous belt transmission, the belt and the belt wheel are engaged to transmit motion and power, so that the belt and the belt wheel do not slide relatively and accurate transmission ratio can be ensured. The synchronous belt usually uses steel wire rope or glass fiber rope as tensile body, uses chloroprene rubber or polyurethane as matrix, and its belt is thin and light, so that it can be used for higher speed. The linear speed can reach 50m/s, the transmission ratio can reach 10, and the efficiency can reach 98%. The transmission noise is less than that of belt transmission, chain transmission and gear transmission, the wear resistance is good, oil lubrication is not needed, and the service life is longer than that of a friction belt. The main defects are that the requirements of manufacturing and mounting precision are high, and the requirements of center distance are strict; complex processing technology, high material cost and the like.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention has been made to provide a gearless synchronous pulley transmission that overcomes or at least partially solves the above problems.
In order to solve the problems, the utility model discloses a gearless synchronous pulley transmission mechanism, which comprises a driven wheel, a driving wheel and a synchronous toothed belt;
further, the driven wheel and the driving wheel are connected to the inner side of the synchronous toothed belt, and the driven wheel and the driving wheel are symmetrically arranged in the inner side of the synchronous toothed belt; the driven wheel is a toothless synchronous belt wheel, wherein the toothless synchronous belt wheel comprises a belt wheel body, a mounting hole, an avoiding groove, a flange and a transmission meshing surface;
further, the belt wheel body comprises a first round wheel, a second round wheel and a cylindrical hollow body, one side of the first round wheel is connected with one end of the cylindrical hollow body, and the other end of the cylindrical hollow body is connected with the second round wheel; the first round wheel and the second round wheel are respectively provided with a mounting hole; the side, far away from the cylindrical hollow body, of the first round wheel and the second round wheel is provided with the retaining side;
furthermore, the transmission meshing surface comprises a first transmission meshing surface and a second transmission meshing surface, the first transmission meshing surface, the second transmission meshing surface and the avoidance groove are arranged on the outer side of the cylindrical hollow body, the first transmission meshing surface is connected with the avoidance groove, and the avoidance groove is connected with the second transmission meshing surface;
further, the driving wheel is a synchronous tooth type belt wheel;
further, the driven wheel comprises any one of aluminum alloy, steel, gray cast iron, brass and plastic;
further, the transmission meshing surface is in fit meshing connection with the inner side of the synchronous toothed belt;
further, the timing belt is an elastic body.
The utility model discloses a following advantage: the driving wheel is a synchronous tooth type belt wheel, the driven wheel is a toothless synchronous belt wheel, and the synchronous tooth type belt forms a toothless synchronous belt wheel transmission mechanism, so that various functions of mechanical transmission are realized; synchronous transmission without slip is realized, and accurate transmission ratio is obtained; the energy-saving effect is good; the structure is compact; the requirement on the center distance during installation is reduced, and the obtained product is simple in processing technology, low in material cost and suitable for medical instruments and other transmission mechanisms.
Drawings
Fig. 1 is a schematic structural view of an embodiment of a gearless synchronous pulley transmission according to the present invention;
fig. 2 is a schematic structural view of another embodiment of a gearless synchronous pulley transmission according to the present invention;
fig. 3 is a detailed structural view of an embodiment of the gearless synchronous pulley transmission of the present invention.
In the drawings: 1. a driven wheel; 2. a driving wheel; 3. a synchronous toothed belt; 4. a first round wheel; 5. a second round wheel; 6. mounting holes; 7. blocking edges; 8. a first drive engaging surface; 9. a second drive engaging surface; 10. avoiding the groove.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
Referring to fig. 1 to 3, a detailed structural diagram and a schematic structural diagram of an embodiment of a gearless synchronous pulley transmission according to the present invention are shown, and specifically, the gearless synchronous pulley transmission may include: a driven wheel 1, a driving wheel 2 and a synchronous toothed belt 3;
the driven wheel 1 and the driving wheel 2 are connected to the inner side of the synchronous toothed belt 3, and the driven wheel 1 and the driving wheel 2 are symmetrically arranged in the inner side of the synchronous toothed belt 3; wherein the conveying function is realized by the driven wheel 1 and the driving wheel 2 arranged in the inner side of the timing belt 3; wherein the timing belt 3 is an elastic body; a gearless synchronous pulley drive mechanism has no slip when working and accurate transmission ratio, although the synchronous toothed belt 3 is an elastic body, because the load bearing rope of the gearless synchronous pulley drive mechanism has the characteristic of no elongation under the action of tensile force, the belt pitch can be kept unchanged, the synchronous toothed belt 3 and the driven wheel 1 can be correctly meshed, synchronous transmission without slip is realized, accurate transmission ratio is obtained, and the gearless synchronous pulley drive mechanism has an energy-saving effect.
The driving wheel 2 is a synchronous tooth type belt wheel; the driven wheel 1 is a toothless synchronous belt wheel, wherein the toothless synchronous belt wheel comprises a belt wheel body, a mounting hole 6, an avoiding groove 10, a flange 7 and a transmission meshing surface; the belt wheel body comprises a first round wheel 4, a second round wheel 5 and a cylindrical hollow body, one side of the first round wheel 4 is connected with one end of the cylindrical hollow body, and the other end of the cylindrical hollow body is connected with the second round wheel 5; the first round wheel 4 and the second round wheel 5 are respectively provided with a mounting hole 6; the side, far away from the cylindrical hollow body, of the first round wheel 4 and the second round wheel 5 is provided with the flange 7; the mounting holes 6 are used for connecting screws, bolts and other fixing devices.
The transmission meshing surface comprises a first transmission meshing surface 8 and a second transmission meshing surface 9, wherein the first transmission meshing surface 8 is close to the first round wheel 4, and the second transmission meshing surface 9 is close to the second round wheel 5; the outer side of the cylindrical hollow body is provided with the first transmission meshing surface 8, the second transmission meshing surface 9 and the avoidance groove 10, the first transmission meshing surface 8 is connected with the avoidance groove 10, and the avoidance groove 10 is connected with the second transmission meshing surface 9; the transmission meshing surface is in fit meshing connection with the inner side of the synchronous toothed belt 3; since the synchronous toothed belt 3 transmission is a mesh transmission, the diameter of the toothless synchronous pulley or the synchronous toothed pulley thereof is much smaller than that of the v-belt pulley which transmits power depending on a frictional force, and in addition, since the synchronous toothed belt 3 does not require a large tension, the size of the toothless synchronous pulley shaft or the synchronous toothed pulley shaft and the corresponding bearing thereof can be reduced.
The driven wheel 1 is made of any one of aluminum alloy, steel, gray cast iron, brass and plastic; the aluminum alloy material has light weight and high suitability; the steel material is 45 steel, the tooth surface strength is high, the damage is difficult, the weight is heavy, and the surface treatment is needed for rust prevention; the gray cast iron is HT250, the wheel is used when the size is large, and the wheel is additionally cast and molded by a die during production, so that the shock absorption is good; the brass material is less, and the mechanical property and the wear resistance are good; the plastic material is nylon, and the weight is light, wear-resisting and self-lubricating.
The utility model discloses a following advantage: the driving wheel 2 is a synchronous tooth type belt wheel, the driven wheel 1 is a toothless synchronous belt wheel, and the synchronous tooth type belt 3 forms a toothless synchronous belt wheel transmission mechanism, so that various functions of mechanical transmission are realized; synchronous transmission without slip is realized, and accurate transmission ratio is obtained; the energy-saving effect is good; the structure is compact; the requirement on the center distance during installation is reduced, and the obtained product is simple in processing technology, low in material cost and suitable for medical instruments and other transmission mechanisms.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or terminal that comprises the element.
The above detailed description is given to the gearless synchronous pulley transmission mechanism provided by the present invention, and the specific examples are applied herein to explain the principle and the implementation manner of the present invention, and the description of the above embodiments is only used to help understanding the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.
Claims (5)
1. A gearless synchronous pulley transmission mechanism is characterized by comprising a driven wheel, a driving wheel and a synchronous toothed belt;
the driven wheel and the driving wheel are connected to the inner side of the synchronous toothed belt and symmetrically arranged in the inner side of the synchronous toothed belt; the driven wheel is a toothless synchronous belt wheel, wherein the toothless synchronous belt wheel comprises a belt wheel body, a mounting hole, an avoiding groove, a flange and a transmission meshing surface;
the belt wheel body comprises a first round wheel, a second round wheel and a cylindrical hollow body, one side of the first round wheel is connected with one end of the cylindrical hollow body, and the other end of the cylindrical hollow body is connected with the second round wheel; the first round wheel and the second round wheel are respectively provided with a mounting hole; the side, far away from the cylindrical hollow body, of the first round wheel and the second round wheel is provided with the retaining side;
the transmission meshing surface comprises a first transmission meshing surface and a second transmission meshing surface, the first transmission meshing surface, the second transmission meshing surface and the avoiding groove are arranged on the outer side of the cylindrical hollow body, the first transmission meshing surface is connected with the avoiding groove, and the avoiding groove is connected with the second transmission meshing surface.
2. The gearless synchronous pulley drive of claim 1, wherein the drive pulley is a synchronous-tooth type pulley.
3. The gearless synchronous pulley drive of claim 1, wherein the driven wheel is made of any one of aluminum alloy, steel, gray cast iron, brass, and plastic.
4. The gearless synchronous pulley drive of claim 1, wherein the drive engaging surface is adapted to engage an inner side of the timing belt.
5. The gearless synchronous pulley drive of claim 1, wherein the synchronous toothed belt is an elastomer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922148565.5U CN212225900U (en) | 2019-12-04 | 2019-12-04 | Gearless synchronous belt pulley transmission mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922148565.5U CN212225900U (en) | 2019-12-04 | 2019-12-04 | Gearless synchronous belt pulley transmission mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212225900U true CN212225900U (en) | 2020-12-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922148565.5U Active CN212225900U (en) | 2019-12-04 | 2019-12-04 | Gearless synchronous belt pulley transmission mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212225900U (en) |
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2019
- 2019-12-04 CN CN201922148565.5U patent/CN212225900U/en active Active
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Effective date of registration: 20230321 Address after: Room 101, Building B15, Life Science Industrial Park, No. 140, Jinye Avenue, Sanxi Community, Kuichong Street, Dapeng New District, Shenzhen, Guangdong 518000 Patentee after: Shenzhen Lanyun Biomedical Technology Co.,Ltd. Address before: 518000 9, A4 building, Nanshan Zhiyuan 1001, Xue Yuan Avenue, Xili street, Nanshan District, Shenzhen, Guangdong. Patentee before: SHENZHEN LANDWIND BIOLOGICAL ENGINEERING CO.,LTD. |