CN215351916U - Aluminum alloy belt pulley for fitness equipment - Google Patents
Aluminum alloy belt pulley for fitness equipment Download PDFInfo
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- CN215351916U CN215351916U CN202121066409.5U CN202121066409U CN215351916U CN 215351916 U CN215351916 U CN 215351916U CN 202121066409 U CN202121066409 U CN 202121066409U CN 215351916 U CN215351916 U CN 215351916U
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- belt pulley
- belt
- aluminum alloy
- groove
- fitness equipment
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Abstract
The utility model discloses an aluminum alloy belt pulley for fitness equipment, which belongs to the technical field of machinery, and adopts the technical scheme that the aluminum alloy belt pulley comprises a belt pulley and a belt pulley shaft, wherein a through hole is formed in the middle of the belt pulley, the belt pulley shaft is clamped in the through hole, a belt groove is formed in the outer peripheral wall of the belt pulley, an installation shell is rotatably installed on the belt pulley shaft, the installation shell is sleeved on the belt groove, and an abutting device in rolling contact with a belt is arranged on the installation shell.
Description
Technical Field
The utility model belongs to the technical field of machinery, and particularly relates to an aluminum alloy belt pulley for fitness equipment.
Background
The belt pulley belongs to a hub part, generally has a relatively large size, and is mainly cast and forged in the manufacturing process.
The belt pulley transmission has lower cost compared with the gear transmission, so the belt pulley transmission is commonly adopted by some fitness equipment. In the existing belt pulley assembly, the belt pulley assembly generally comprises a belt pulley and a belt pulley shaft integrally formed with the belt pulley, and the belt pulley shaft is driven by a belt external machine to drive the belt pulley to operate.
However, when the belt pulley is used, the belt pulley runs at a high speed, the belt is easy to fall off, and the belt needs to be reinstalled, so that the conveying effect is influenced.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide an aluminum alloy belt pulley for fitness equipment, which has the advantages that a belt can be prevented from being separated from the belt pulley, and the conveying efficiency of the belt pulley is ensured.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an aluminum alloy belt pulley for body-building apparatus, includes belt pulley and belt pulley axle, the belt pulley middle part is provided with the through-hole, the belt pulley axle joint is in the through-hole, the belt groove has been seted up to the periphery wall of belt pulley, the epaxial rotation of belt pulley installs the installation casing, the installation casing cover is established on the belt groove, be provided with the butt device with belt rolling contact on the installation casing.
Through adopting above-mentioned technical scheme, cup joint the belt back on the belt pulley, the position of adjustment butt device for the belt can be stable drive the belt pulley and rotate, avoids the belt to break away from the belt pulley, thereby guarantees the conveying efficiency of belt pulley and conveyer belt.
The utility model is further configured to: the abutting device comprises a screw rod and a rolling part, a mounting groove is formed in one side, facing the belt, of the screw rod, the rolling part is mounted in the mounting groove, the rolling part is in rolling contact with the belt, a threaded hole is formed in the mounting shell, and the screw rod is rotatably mounted in the threaded hole.
Through adopting above-mentioned technical scheme, with the belt cup joint back on the belt pulley, rotate the screw rod, the one end that drives the screw rod is close to the belt for rolling member and belt rolling contact make the stable cup joint of belt on the belt pulley, simple structure, convenient operation.
The utility model is further configured to: the rolling piece comprises an installation block and a ball, the ball is installed on the installation block in a rolling mode, and the installation block is installed in the installation groove in a rolling mode.
Through adopting above-mentioned technical scheme, the frictional force between ball and the belt can be reduced in the setting of ball for the belt can keep smooth and easy rotation on the belt pulley.
The utility model is further configured to: the ball is kept away from to the installation piece one side and be located the mounting groove and be provided with the spring, the other end of spring is fixed at the mounting groove diapire.
Through adopting above-mentioned technical scheme, the setting of spring can play the cushioning effect to the installation piece, avoids the ball atress too big and leads to the installation piece to damage easily.
The utility model is further configured to: the mounting groove lateral wall is provided with the guide way along its axial direction, the position that the ball was kept away from to the installation piece lateral wall is provided with the guide block that slides in the guide way.
Through adopting above-mentioned technical scheme, the setting of guide block and guide way can avoid the installation piece to break away from in the guide way for the guide way can be stable slide in the mounting groove.
The utility model is further configured to: one end, far away from the screw rod, of the mounting block is provided with a butting ring, and one side of the butting ring is abutted against the end part of the screw rod.
Through adopting above-mentioned technical scheme, the setting of butt ring can avoid the installation piece to get into the mounting groove completely in, prevents that the belt from contacting with the ball completely, guarantees that the ball can with belt rolling contact.
The utility model is further configured to: the side wall of the installation shell is provided with a fixed plate, and the fixed plate is provided with a limiting hole for the screw to pass through.
Through adopting above-mentioned technical scheme, the setting in fixed plate and spacing hole can avoid the screw rod to take place to buckle for the axis of screw rod keeps unchangeable, makes rolling member can be stable with belt rolling contact.
The utility model is further configured to: the abutting devices are at least more than two groups, and the abutting devices are uniformly distributed along the moving direction of the belt.
Through adopting above-mentioned technical scheme, the area of contact of belt and rolling member can be improved in the setting of multiunit butt device for the rotation that the belt can be smooth and easy is on the belt pulley.
In summary, the utility model has the following advantages:
1. after the belt is sleeved on the belt pulley, the position of the abutting device is adjusted, so that the belt can stably drive the belt pulley to rotate, the belt is prevented from being separated from the belt pulley, and the conveying efficiency of the belt pulley and the conveying belt is ensured;
2. through the arrangement of the balls, the friction force between the balls and the belt can be reduced, so that the belt can be smoothly rotated on the belt pulley;
3. through the setting of spring, can play the cushioning effect to the installation piece, avoid the ball atress too big and lead to the installation piece to damage easily.
Drawings
FIG. 1 is a schematic view of the overall structure of the present embodiment;
fig. 2 is an exploded view of the abutting device in this embodiment.
Description of reference numerals: 1. a belt pulley; 2. a belt reel shaft; 3. a through hole; 4. a belt groove; 5. installing a shell; 6. a threaded hole; 7. an abutment device; 71. a screw; 72. a rolling member; 721. mounting blocks; 722. a ball bearing; 723. a spring; 724. a guide groove; 725. a guide block; 726. a butting ring; 73. mounting grooves; 8. a fixing plate; 9. and a limiting hole.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The utility model provides an aluminum alloy belt pulley for body-building apparatus, as shown in figure 1, includes belt pulley 1 and belt pulley axle 2, and through-hole 3 has been seted up at the middle part of belt pulley 1, and 2 joints of belt pulley axle are in through-hole 3, and the belt groove 4 that is used for cup jointing the belt is seted up to the periphery wall of belt pulley 1. The belt pulley 1 and the belt pulley shaft 2 are both made of aluminum alloy.
The belt pulley shaft 2 is rotatably provided with an installation shell 5, the installation shell 5 covers the belt groove 4, and the length of the belt groove 4 covered by the installation shell 5 is less than half of the circumference of the whole belt groove 4. A plurality of threaded holes 6 are formed in the mounting shell 5, the threaded holes 6 are arranged along the conveying direction of the belt, the abutting device 7 is mounted in the threaded holes 6, and the abutting device 7 is in rolling contact with the belt.
Referring to fig. 2, the abutting device 7 includes a screw 71 and a rolling member 72, the screw 71 is rotatably mounted in the corresponding threaded hole 6, an installation groove 73 is formed in one end of the screw 71 close to the belt along the axial direction of the screw 71, the rolling member 72 is mounted in the installation groove 73, and the rolling member 72 is in rolling contact with the belt.
The rolling element 72 comprises an installation block 721 and a ball 722, the ball 722 is rotatably installed on the installation block 721, the installation block 721 is slidably installed in the installation groove 73, the installation block 721 slides in the installation groove 73 along the axial direction of the installation groove 73, a spring 723 is fixed on one side of the installation block 721 far away from the ball 722, the spring 723 is located in the installation groove 73, and one end of the spring 723 far away from the installation block 721 is fixed in the installation groove 73.
Referring to fig. 2, a guide groove 724 is formed in the inner wall of the mounting groove 73 along the axial direction thereof, a guide block 725 is integrally formed on the side wall of the mounting block 721 at a position away from the balls 722, and the guide block 725 slides in the guide groove 724. The guide block 725 and the guide groove 724 prevent the mounting block 721 from being separated from the guide groove 724, so that the guide groove 724 can stably slide in the mounting groove 73.
In order to prevent the mounting block 721 from completely entering the mounting groove 73, an abutment ring 726 is integrally formed at one end of the mounting block 721 remote from the screw 71, and one side of the abutment ring 726 abuts against the end of the screw 71.
Referring to fig. 1, a fixing plate 8 is welded to the side wall of the mounting housing 5, a limiting hole 9 is formed in the fixing plate 8, and a screw 71 is rotatably mounted in the corresponding threaded hole 6 after passing through the limiting hole 9. The fixed plate 8 and the limiting hole 9 can prevent the screw rod 71 from bending, so that the axis of the screw rod 71 is kept unchanged, and the rolling piece 72 can be stably in rolling contact with the belt.
The working process and the beneficial effects of the utility model are as follows:
after the belt is sleeved on the belt pulley 1, the position of the abutting device 7 is adjusted, so that the belt can stably drive the belt pulley 1 to rotate, the belt is prevented from being separated from the belt pulley 1, and the conveying efficiency of the belt pulley 1 and the conveying belt is ensured.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like made within the design concept of the present invention should be included in the scope of the present invention.
Claims (8)
1. The utility model provides an aluminum alloy belt pulley for body-building apparatus, includes belt pulley (1) and belt pulley axle (2), belt pulley (1) middle part is provided with through-hole (3), belt pulley axle (2) joint is in through-hole (3), its characterized in that: belt groove (4) have been seted up to the periphery wall of belt pulley (1), rotate on belt pulley axle (2) and install installation casing (5), the cover is established on belt groove (4) in installation casing (5), be provided with on installation casing (5) with belt rolling contact's butt device (7).
2. The aluminum alloy belt pulley for fitness equipment as recited in claim 1, wherein: the abutting device (7) comprises a screw rod (71) and a rolling piece (72), a mounting groove (73) is formed in one side, facing the belt, of the screw rod (71), the rolling piece (72) is mounted in the mounting groove (73), the rolling piece (72) is in rolling contact with the belt, a threaded hole (6) is formed in the mounting shell (5), and the screw rod (71) is rotatably mounted in the threaded hole (6).
3. The aluminum alloy belt pulley for fitness equipment as recited in claim 2, wherein: the rolling part (72) comprises a mounting block (721) and a ball (722), the ball (722) is mounted on the mounting block (721) in a rolling manner, and the mounting block (721) is mounted in the mounting groove (73) in a rolling manner.
4. The aluminum alloy belt pulley for fitness equipment as recited in claim 3, wherein: the mounting block (721) is far away from one side of the ball (722) and is positioned in the mounting groove (73) and internally provided with a spring (723), and the other end of the spring (723) is fixed on the bottom wall of the mounting groove (73).
5. The aluminum alloy belt pulley for fitness equipment as recited in claim 4, wherein: the side wall of the mounting groove (73) is provided with a guide groove (724) along the axial direction of the mounting groove, and the side wall of the mounting block (721) is provided with a guide block (725) sliding in the guide groove (724) at a position far away from the ball (722).
6. The aluminum alloy belt pulley for fitness equipment as recited in claim 5, wherein: one end, far away from the screw rod (71), of the mounting block (721) is provided with a butting ring (726), and one side of the butting ring (726) is butted against the end part of the screw rod (71).
7. The aluminum alloy belt pulley for fitness equipment as recited in claim 2, wherein: the side wall of the mounting shell (5) is provided with a fixing plate (8), and the fixing plate (8) is provided with a limiting hole (9) for the screw rod (71) to pass through.
8. The aluminum alloy belt pulley for fitness equipment as recited in claim 1, wherein: the abutting devices (7) are at least more than two groups, and the plurality of abutting devices (7) are uniformly distributed along the moving direction of the belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121066409.5U CN215351916U (en) | 2021-05-18 | 2021-05-18 | Aluminum alloy belt pulley for fitness equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121066409.5U CN215351916U (en) | 2021-05-18 | 2021-05-18 | Aluminum alloy belt pulley for fitness equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215351916U true CN215351916U (en) | 2021-12-31 |
Family
ID=79630553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121066409.5U Active CN215351916U (en) | 2021-05-18 | 2021-05-18 | Aluminum alloy belt pulley for fitness equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215351916U (en) |
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2021
- 2021-05-18 CN CN202121066409.5U patent/CN215351916U/en active Active
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