CN220646671U - Transmission shaft for high-precision plastic gear - Google Patents
Transmission shaft for high-precision plastic gear Download PDFInfo
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- CN220646671U CN220646671U CN202322445466.XU CN202322445466U CN220646671U CN 220646671 U CN220646671 U CN 220646671U CN 202322445466 U CN202322445466 U CN 202322445466U CN 220646671 U CN220646671 U CN 220646671U
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 76
- 238000009434 installation Methods 0.000 claims abstract description 18
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000007774 longterm Effects 0.000 description 2
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- 241001391944 Commicarpus scandens Species 0.000 description 1
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- 239000003638 chemical reducing agent Substances 0.000 description 1
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Abstract
The utility model discloses a transmission shaft for a high-precision plastic gear, which relates to the field of transmission shafts and comprises a transmission shaft main body and a gear main body, wherein a plurality of transmission blocks which are uniformly distributed in a ring shape are fixedly arranged at the left end of the shaft wall of the transmission shaft main body, a mounting circular plate is fixedly sleeved on the left side of the shaft wall of the transmission shaft main body, a plurality of countersunk holes which are uniformly distributed in a ring shape are formed in the left side of the mounting circular plate, a screw is slidably inserted in each countersunk hole, a round opening which can be slidably inserted by the transmission shaft main body is formed in the middle of the side wall of the gear main body, a plurality of through grooves which can be slidably inserted by the transmission blocks are formed in the circumferential side wall of the round opening, a plurality of uniformly distributed thread grooves are formed in the left side of the gear main body, and a locking mechanism is arranged on the left side of the mounting circular plate. The utility model is convenient for assembling and disassembling the transmission shaft main body and the gear main body, can prevent the screw from loosening after being installed, improves the installation stability and is convenient for people to use.
Description
Technical Field
The utility model belongs to the technical field of transmission shafts, and particularly relates to a transmission shaft for a high-precision plastic gear.
Background
The transmission shaft is a rotating body with high rotating speed and few supports, so that the dynamic balance of the transmission shaft is critical, the dynamic balance test is carried out on the transmission shaft before delivery, the transmission shaft is regulated on a balancing machine, the transmission shaft transmits the rotation of a speed changer to a shaft of a main speed reducer for a front engine rear wheel driven vehicle, the transmission shaft can be in several sections, and the sections can be connected by universal joints.
At present, when using, plastic gear need install and drive through the transmission shaft, and among the prior art, transmission shaft and gear are when mutually installing, generally through welding mode or bolt fastening's mode, and through the welding mode after long-term use, the solder joint breaks easily, and is inconvenient for change, and through the bolt installation, when long-time use, the bolt takes place the pine easily and takes place the phenomenon to lead to the gear to drop, influence people's use, have the potential safety hazard, therefore propose a high-accuracy transmission shaft for plastic gear.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the transmission shaft for the high-precision plastic gear, which effectively solves the problems that when the transmission shaft and the gear are mutually installed, the welding spots are easy to break and inconvenient to replace after long-term use in a welding mode or a bolt fixing mode, and when the transmission shaft and the gear are used for a long time, the bolts are easy to loose, so that the gear is fallen, the use of people is influenced, and potential safety hazards exist.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a transmission shaft for high-accuracy plastic gear, includes transmission shaft main part and gear main part, the fixed transmission piece that is a plurality of annular evenly distributed that is provided with in shaft wall left end of transmission shaft main part, the shaft wall left side of transmission shaft main part has still fixedly sleeved with the installation plectane, a plurality of annular evenly distributed's counter bores that are seted up in the left side of installation plectane, every all slip has inserted the screw in the counter bore, the round mouth that can supply transmission shaft main part slip male has been seted up at the lateral wall middle part of gear main part, a plurality of through grooves that can supply transmission piece slip male have been seted up to the circumference lateral wall of round mouth, a plurality of evenly distributed's thread groove is seted up in gear main part's left side, a plurality of screw respectively through a plurality of thread grooves and gear main part threaded connection, the left side of installation plectane is provided with locking mechanism.
Preferably, the number of the transmission blocks is four, and the number of the through grooves is also four.
Preferably, the number of the counter bores and the screws is four, and the number of the thread grooves is also four.
Preferably, a plurality of positioning inserting rods are fixedly arranged on the right side of the mounting circular plate, and a plurality of positioning slots for sliding insertion of the positioning inserting rods are formed in the left side of the gear main body.
Preferably, the anti-loosening mechanism comprises an annular baffle, the annular baffle is rotatably sleeved on the shaft wall of the transmission shaft main body, the annular baffle is positioned on the left side of the installation circular plate, a slewing mechanism is arranged between the annular baffle and the transmission shaft main body, and a plurality of U-shaped openings are formed in the edge of the surface of the annular baffle.
Preferably, the slewing mechanism comprises a plurality of sliding blocks and a plurality of arc springs, a plurality of arc sliding grooves are formed in the shaft wall of the transmission shaft main body, the sliding blocks are respectively arranged in the arc sliding grooves in a sliding mode, the arc springs are also respectively arranged in the arc sliding grooves, two ends of each arc spring are respectively fixedly connected with the sliding blocks and the side walls of the arc sliding grooves, and the elastic force of the arc springs to the arc sliding blocks is opposite to the rotation direction of the transmission shaft main body.
The utility model has the technical effects and advantages that:
1. when the transmission shaft main body and the gear main body are installed, the gear main body is sleeved at the left end of the shaft wall of the transmission shaft main body, the plurality of transmission blocks are respectively inserted into the plurality of through grooves, the annular baffle is rotated, the plurality of U-shaped openings on the annular baffle are respectively aligned with the plurality of countersunk holes, the plurality of screws are respectively inserted into the plurality of countersunk holes in sequence and are locked and fixed with the gear through the plurality of thread grooves, the annular baffle is loosened, elastic force can be respectively applied to the plurality of sliding blocks through the plurality of arc springs, the plurality of sliding blocks respectively slide in the plurality of arc sliding grooves, so that the annular baffle can be driven to rotate, the plurality of U-shaped openings on the annular baffle are staggered with the plurality of countersunk holes, the plurality of screws can be prevented from loosening, the gear main body is prevented from loosening, and when the gear main body needs to be replaced, the transmission shaft main body and the gear main body are conveniently disassembled and more smooth after being installed, the screw loosening is prevented, and the installation stability is improved, and the device is convenient for people to use.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a schematic view of a front cross-sectional structure of the present utility model;
FIG. 2 is a left side view schematically showing the structure of the gear body of the present utility model;
FIG. 3 is a right side view of the mounting plate of the present utility model;
fig. 4 is a schematic view showing a right side sectional structure of the annular barrier and the propeller shaft main body of the present utility model.
In the figure: 1. a drive shaft main body; 2. a gear body; 3. a transmission block; 4. mounting a circular plate; 5. a screw; 6. positioning the inserted link; 7. an annular baffle; 8. a slide block; 9. arc spring.
Detailed Description
The utility model provides a transmission shaft for a high-precision plastic gear, which is shown in figures 1-4, and comprises a transmission shaft main body 1 and a gear main body 2, wherein a plurality of transmission blocks 3 which are uniformly distributed in a ring shape are fixedly arranged at the left end of the shaft wall of the transmission shaft main body 1, a mounting circular plate 4 is fixedly sleeved on the left side of the shaft wall of the transmission shaft main body 1, a plurality of countersunk holes which are uniformly distributed in a ring shape are formed in the left side of the mounting circular plate 4, a screw 5 is inserted in each countersunk hole in a sliding manner, a round opening for the transmission shaft main body 1 to be inserted in a sliding manner is formed in the middle of the side wall of the gear main body 2, a plurality of through grooves for the transmission blocks 3 to be inserted in a sliding manner are formed in the circumferential side wall of the round opening, a plurality of uniformly distributed thread grooves are formed in the left side of the gear main body 2, the screws 5 are respectively connected with the gear main body 2 in a threaded manner, and a locking mechanism is arranged on the left side of the mounting circular plate 4.
As shown in fig. 1 and 2, the number of the transmission blocks 3 is four, and the number of the through grooves is also four, so that the transmission stability of the transmission shaft main body 1 to the gear main body 2 can be improved.
As shown in fig. 1 to 3, the number of the counter bores and the screws 5 is four, and the number of the screw grooves is also four, so that the connection between the mounting disk 4 and the gear body 2 can be improved.
As shown in fig. 2 and 3, a plurality of positioning inserting rods 6 are fixedly arranged on the right side of the installation circular plate 4, a plurality of positioning slots for the positioning inserting rods 6 to slide and insert are formed in the left side of the gear main body 2, and when the installation circular plate 4 is connected with the gear main body 2 for installation, the plurality of positioning inserting rods 6 can be respectively inserted into the plurality of positioning slots, so that the installation circular plate 4 and the gear main body 2 can be positioned, and the installation stability of the installation circular plate 4 and the gear main body 2 is improved.
As shown in fig. 1 and 4, the anti-loosening mechanism comprises an annular baffle 7, the annular baffle 7 is rotatably sleeved on the shaft wall of the transmission shaft main body 1, the annular baffle 7 is positioned at the left side of the installation circular plate 4, a rotation mechanism is arranged between the annular baffle 7 and the transmission shaft main body 1, and a plurality of U-shaped openings are formed in the edge of the surface of the annular baffle 7; the slewing mechanism comprises a plurality of sliding blocks 8 and a plurality of arc springs 9, the shaft wall of the transmission shaft main body 1 is provided with a plurality of arc sliding grooves, the sliding blocks 8 are respectively arranged in the arc sliding grooves in a sliding manner, the arc springs 9 are also respectively arranged in the arc sliding grooves, two ends of each arc spring 9 are respectively fixedly connected with the sliding blocks 8 and the side walls of the arc sliding grooves, and the elasticity of the arc springs 9 to the arc sliding blocks 8 is opposite to the rotation direction of the transmission shaft main body 1.
The working principle of the utility model is as follows: when the transmission shaft main body 1 and the gear main body 2 are installed, the gear main body 2 is sleeved at the left end of the shaft wall of the transmission shaft main body 1, meanwhile, the plurality of transmission blocks 3 are respectively inserted into the plurality of through grooves, the annular baffle 7 is rotated, the plurality of U-shaped openings on the annular baffle 7 are respectively aligned with the plurality of countersunk holes, the plurality of screws 5 are respectively inserted into the plurality of countersunk holes in sequence and are locked and fixed with the gear through the plurality of thread grooves, the annular baffle 7 is loosened, elastic force can be applied to the plurality of sliding blocks 8 respectively through the plurality of arc springs 9, the plurality of sliding blocks 8 respectively slide in the plurality of arc sliding grooves, so that the annular baffle 7 can be driven to rotate, the plurality of U-shaped openings on the annular baffle 7 are staggered with the plurality of countersunk holes, the plurality of screws 5 can be prevented from loosening, the plurality of screws 5 are prevented from loosening, and then the gear main body 2 is prevented from loosening.
It is noted that relational terms such as first and second, and the like are 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. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus 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 apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a transmission shaft for high-accuracy plastic gear which characterized in that: including transmission shaft main part (1) and gear main part (2), the fixed transmission piece (3) that are annular evenly distributed that are provided with in shaft wall left end of transmission shaft main part (1), the shaft wall left side of transmission shaft main part (1) is still fixed to be cup jointed and is installed plectane (4), a plurality of countersunk holes that are annular evenly distributed have been seted up in the left side of installation plectane (4), every all slide in the countersunk hole and insert and be equipped with screw (5), the round mouth that can supply transmission shaft main part (1) to slide male has been seted up at the lateral wall middle part of gear main part (2), a plurality of through grooves that can supply transmission piece (3) to slide male have been seted up to the circumference lateral wall of round mouth, a plurality of evenly distributed's screw grooves are seted up in the left side of gear main part (2), a plurality of screw (5) are respectively through a plurality of screw grooves and gear main part (2) threaded connection, the left side of installation plectane (4) is provided with locking mechanism.
2. The transmission shaft for a high-precision plastic gear according to claim 1, wherein: the number of the transmission blocks (3) is four, and the number of the through grooves is also four.
3. The transmission shaft for a high-precision plastic gear according to claim 2, wherein: the number of the countersunk holes and the screws (5) is four, and the number of the thread grooves is also four.
4. A transmission shaft for a high-precision plastic gear according to claim 3, wherein: the right side of installation plectrum (4) is fixed and is provided with a plurality of location inserted bars (6), a plurality of locating slots that can supply location inserted bar (6) slip to insert have been seted up in the left side of gear main part (2).
5. The transmission shaft for high-precision plastic gears according to claim 4, wherein: the anti-loosening mechanism comprises an annular baffle (7), the annular baffle (7) is rotationally sleeved on the shaft wall of the transmission shaft main body (1), the annular baffle (7) is positioned on the left side of the installation circular plate (4), the side wall of the annular baffle (7), a rotation mechanism is arranged between the annular baffle (7) and the transmission shaft main body (1), and a plurality of U-shaped openings are formed in the surface edge of the annular baffle (7).
6. The transmission shaft for high-precision plastic gears according to claim 5, wherein: the rotary mechanism comprises a plurality of sliding blocks (8) and a plurality of arc springs (9), wherein a plurality of arc sliding grooves are formed in the shaft wall of the transmission shaft main body (1), the sliding blocks (8) are respectively arranged in the arc sliding grooves in a sliding mode, the arc springs (9) are also respectively arranged in the arc sliding grooves, two ends of each arc spring (9) are respectively fixedly connected with the sliding blocks (8) and the side walls of the arc sliding grooves, and the elastic force of the arc springs (9) on the arc sliding blocks (8) is opposite to the rotation direction of the transmission shaft main body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322445466.XU CN220646671U (en) | 2023-09-09 | 2023-09-09 | Transmission shaft for high-precision plastic gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322445466.XU CN220646671U (en) | 2023-09-09 | 2023-09-09 | Transmission shaft for high-precision plastic gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220646671U true CN220646671U (en) | 2024-03-22 |
Family
ID=90264090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322445466.XU Active CN220646671U (en) | 2023-09-09 | 2023-09-09 | Transmission shaft for high-precision plastic gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220646671U (en) |
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2023
- 2023-09-09 CN CN202322445466.XU patent/CN220646671U/en active Active
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