CN215487532U - Transmission shaft for fitness equipment transmission system - Google Patents
Transmission shaft for fitness equipment transmission system Download PDFInfo
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- CN215487532U CN215487532U CN202120952622.XU CN202120952622U CN215487532U CN 215487532 U CN215487532 U CN 215487532U CN 202120952622 U CN202120952622 U CN 202120952622U CN 215487532 U CN215487532 U CN 215487532U
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- sleeve
- transmission
- butt joint
- rod
- fixedly connected
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Abstract
The utility model discloses a transmission shaft for a transmission system of fitness equipment, which relates to the technical field of transmission systems and comprises a transmission shaft body, a transmission rod and a rotating shaft sleeve, wherein the transmission shaft body comprises the transmission rod, the rotating shaft sleeve is movably arranged on the outer surface of the transmission rod, a fixed chuck is movably connected to the other end of the transmission rod, the rotating shaft sleeve comprises a butt joint clamping rod, an inner cavity is arranged inside the butt joint clamping rod, and a gear clamping sleeve is fixedly connected to the top of the inner cavity. According to the utility model, the T-shaped push block is fixedly butted with the surface of the butt joint port, the external teeth and the fixed teeth are butted with each other, and the external teeth drive the fixed teeth when rotating, so that the characteristic of fixing one end and a plurality of positions of the transmission shaft at the same time is achieved, the problem that the joint is easy to break due to the fact that one end of the transmission shaft is fixedly clamped and connected, and one end of the rotating shaft is stressed too much when rotating is solved, and the effect of clamping and multi-point fixing between the T-shaped push block and the surface of the butt joint port is achieved.
Description
Technical Field
The utility model relates to a transmission shaft, relates to the technical field of transmission systems, and particularly relates to a transmission shaft for a transmission system of fitness equipment.
Background
The transmission shaft is a rotating body with high rotating speed and few supports, so the dynamic balance of the transmission shaft is crucial, the dynamic balance test is carried out on the transmission shaft before the transmission is delivered out of a factory, the transmission shaft is adjusted on a balancing machine, the rotation of a transmission is transmitted to a shaft of a main speed reducer for a vehicle driven by a front engine and a rear wheel, the transmission shaft can be a plurality of joints, and the joints can be connected through universal joints.
The following problems exist in the prior art:
1. when the existing transmission shaft is connected, only one end of the transmission shaft is fixedly clamped, so that the problem that when the transmission shaft rotates, the connection part is easy to break due to overlarge stress on one end of a rotating rod is caused;
2. some transmission shafts of the fitness equipment are simply clamped for convenience when being connected, and some clamping places have the problem of falling off when being used.
SUMMERY OF THE UTILITY MODEL
The utility model provides a transmission shaft for a transmission system of fitness equipment, which has the characteristic of simultaneously fixing one end and a plurality of positions of the transmission shaft, and solves the problem that when one end of a rotating rod is fixedly clamped, the one end of the rotating rod is stressed too much to easily cause fracture of the connecting position when the rotating rod rotates; wherein another purpose is in order to solve some transmission shafts and only carry out simple joint, and the place that leads to some joints has the problem that drops when using to reach the effect of consolidating to the joint of local axis of rotation.
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:
the utility model provides a transmission shaft for body-building apparatus transmission system, includes transmission shaft body, transfer line and rotation axle sleeve, the transmission shaft body includes the transfer line, movable mounting has the rotation axle sleeve on the surface of transfer line, swing joint has fixed dop on the other end of transfer line.
The rotary shaft sleeve comprises a butt joint clamping rod, an inner cavity is formed in the butt joint clamping rod, a clamping tooth sleeve is fixedly connected to the top of the inner cavity, and a clamping groove is formed in the inner wall of the butt joint clamping rod.
The technical scheme of the utility model is further improved as follows: the butt joint clamping rod is characterized in that one end of the butt joint clamping rod is fixedly connected with a clamping head, the butt joint clamping rod is in a conical sleeve with a small upper part and a large lower part, and a butt joint port is fixedly arranged in the clamping groove.
The technical scheme of the utility model is further improved as follows: the clamping tooth sleeve comprises an outer ring, a sleeve is fixedly connected to the outer surface of the left side of the outer ring, a cavity is formed in the sleeve, fixing teeth are fixedly connected to the inner wall of the cavity, and the fixing teeth are uniformly distributed on the inner wall of the sleeve.
The technical scheme of the utility model is further improved as follows: the outer surface of the transmission rod is provided with a hollow groove, a T-shaped push block is movably mounted inside the hollow groove, and the outer surface of one end of the transmission rod is provided with external teeth.
The technical scheme of the utility model is further improved as follows: the cavity has been seted up to the inside of rotating the axle sleeve, fixedly connected with fixed block on the inner wall of rotating the axle sleeve, the one end fixedly connected with inner shell of fixed block, movable mounting has the pole that links up on the inner wall of inner shell, fixedly connected with butt joint kelly is served to the left side one of pole that links up.
The technical scheme of the utility model is further improved as follows: the fixed dop includes the shell, L type cavity has been seted up to the inside of shell, be provided with the buffer block on the inner wall of shell, one of buffer block serves fixedly connected with flitch.
The technical scheme of the utility model is further improved as follows: the T-shaped pushing block is characterized in that a convex arc-shaped block is arranged on the outer surface of the T-shaped pushing block, clamping blocks are butted at two ends of the T-shaped pushing block, and the outer surface of the external tooth is movably connected to the outer surface of the fixed tooth.
Due to the adoption of the technical scheme, compared with the prior art, the utility model has the technical progress that:
1. the utility model provides a transmission shaft for a transmission system of fitness equipment, which adopts the matching among a T-shaped push block, a butt joint port, external teeth and fixed teeth, and performs fixed butt joint with the surface of the butt joint port through the T-shaped push block, and utilizes the mutual butt joint between the external teeth and the fixed teeth, and the external teeth drive the fixed teeth during rotation.
2. The utility model provides a transmission shaft for a transmission system of fitness equipment, which adopts the matching among a flitch, a buffer block, an L-shaped cavity and a chuck, wherein the chuck extends into the transmission shaft through the L-shaped cavity, and is matched with a bevel plate groove on one end of the flitch to facilitate the extension of the chuck, the flitch extrudes the buffer block inwards when extending into the transmission shaft, the rebound of the buffer block is utilized to reinforce the chuck, the transmission shaft has the characteristic of reinforcing the chuck, and the problem that some chucks are simply clamped to cause falling off when some clamped places are used is solved, so that the effect of reinforcing the clamping of partial chucks is achieved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a rotating sleeve according to the present invention;
FIG. 3 is a schematic view of the structure of the docking catch lever of the present invention;
FIG. 4 is a schematic view of a latch sleeve according to the present invention;
FIG. 5 is a schematic view of the transmission rod structure of the present invention;
FIG. 6 is a schematic view of a fixing clip structure according to the present invention.
In the figure: 1. a transmission shaft body;
2. a transmission rod; 21. an empty groove; 22. a T-shaped push block; 23. external teeth;
3. rotating the shaft sleeve; 31. an inner housing shell; 32. a connecting rod; 33. butting the clamping rods; a1, a chuck;
a2, a latch sleeve; a21, outer ferrule; a22, sleeve; a23, fixed teeth;
a3, interface;
4. fixing the chuck; 41. a housing; 42. an L-shaped cavity; 43. a buffer block; 44. and (6) pasting the board.
Detailed Description
The present invention will be described in further detail with reference to the following examples:
example 1
As shown in fig. 1-6, the present invention provides a transmission shaft for a transmission system of fitness equipment, comprising a transmission shaft body 1, a transmission rod 2 and a rotary shaft sleeve 3, wherein the transmission shaft body 1 comprises the transmission rod 2, the rotary shaft sleeve 3 is movably mounted on the outer surface of the transmission rod 2, and the other end of the transmission rod 2 is movably connected with a fixed chuck 4.
The rotating shaft sleeve 3 comprises a butt joint clamping rod 33, an inner cavity is formed in the butt joint clamping rod 33, a clamping tooth sleeve a2 is fixedly connected to the top of the inner cavity, and a clamping groove is formed in the inner wall of the butt joint clamping rod 33.
In the embodiment, when the transmission rod 2 is butted in the rotating shaft sleeve 3, one end and the surface of the transmission rod 2 are butted and fixed simultaneously by utilizing the inside of the butting clamping rod 33, so that the pressure generated when the transmission rod 2 rotates is reduced.
Example 2
As shown in fig. 1 to 6, on the basis of embodiment 1, the present invention provides a technical solution: preferably, the outer surface of the transmission rod 2 is provided with a hollow groove 21, a T-shaped push block 22 is movably mounted inside the hollow groove 21, a convex arc-shaped block is arranged on the outer surface of the T-shaped push block 22, two ends of the T-shaped push block 22 are butted with clamping blocks, an external tooth 23 is arranged on the outer surface of one end of the transmission rod 2, the outer surface of the external tooth 23 is movably connected to the outer surface of a fixed tooth a23, a clamping tooth sleeve a2 comprises an outer sleeve a21, a sleeve a22 is fixedly connected to the outer surface of the left side of the outer sleeve a21, a cavity is formed inside the sleeve a22, a fixed tooth a23 is fixedly connected to the inner wall of the cavity, the fixed tooth a23 is uniformly distributed on the inner wall of the sleeve a22, a cavity is formed inside the rotating shaft sleeve 3, a fixed block is fixedly connected to the inner wall of the rotating shaft sleeve 3, one end of the fixed block is fixedly connected to an inner sleeve 31, an engagement rod 32 is movably mounted on the inner wall of the inner sleeve 31, and a butt-joint rod 33 is fixedly connected to one end of the left side of the engagement rod 32.
In this embodiment, the transmission rod 2 extends through the inner cavity of the docking rod 33, the T-shaped push block 22 is engaged with the inner portion of the hollow 21 and sinks into the docking rod 33 to be fixedly docked with the surface of the docking port a3, the external teeth 23 and the fixed teeth a23 are docked with each other while being docked with the docking port a3, the external ring a21 is fixed at one end of the inner cavity of the docking rod 33, so that the transmission rod 2 drives the external ring a21 through the fixed teeth a23 during rotation to rotate the rotating shaft sleeve 3, the gear sleeve a2 and the docking port a3 are engaged to fix the rotating shaft at multiple positions, and the rotation pressure is shared during rotation.
Example 3
As shown in fig. 1 to 6, on the basis of embodiment 1, the present invention provides a technical solution: preferably, one end of the butt joint clamping rod 33 is fixedly connected with a clamping head a1, the butt joint clamping rod 33 is in a tapered sleeve shape with a small top and a large bottom, a butt joint port a3 is fixedly installed inside the clamping groove, the fixed clamping head 4 comprises a shell 41, an L-shaped cavity 42 is formed inside the shell 41, a buffer block 43 is arranged on the inner wall of the shell 41, and one end of the buffer block 43 is fixedly connected with a pasting plate 44.
In this embodiment, the clip a1 is extended through the L-shaped cavity 42 to cooperate with the inclined plate slot at one end of the attachment plate 44 to facilitate the insertion of the clip a1, the attachment plate 44 inwardly extrudes the buffer block 43 when the clip is inserted, the clip a1 is reinforced by the rebound of the buffer block 43, and the clip connection of the local clip a1 is reinforced.
The working principle of the transmission shaft of the transmission system of the fitness equipment is described in detail below.
As shown in fig. 1-6, the driving rod 2 is extended through the inner cavity of the docking rod 33, the T-shaped push block 22 is engaged with the inner portion of the hollow 21, the T-shaped push block enters the inner portion of the docking rod 33 and is fixedly abutted with the surface of the docking port a3, the external teeth 23 and the fixed teeth a23 are abutted with each other while being engaged with the docking port a3, the external ring a21 is fixed at one end of the inner cavity of the docking rod 33, the pawl sleeve a2 and the docking port a3 are engaged to fix the rotating shaft at multiple positions, the chuck a1 is extended through the L-shaped cavity 42, the inclined plate groove at one end of the attachment plate 44 is engaged to facilitate the insertion of the chuck a1, the attachment plate 44 inwardly presses the buffer block 43 during the insertion, the chuck a1 is reinforced by the rebound of the buffer block 43, and the engagement of the local chuck a1 is reinforced.
The present invention has been described in general terms in the foregoing, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto based on the present invention. Therefore, modifications or improvements are within the scope of the utility model without departing from the spirit of the inventive concept.
Claims (7)
1. The utility model provides a transmission shaft for body-building apparatus transmission system, includes transmission shaft body (1), transfer line (2) and rotation axle sleeve (3), its characterized in that: the transmission shaft body (1) comprises a transmission rod (2), a rotating shaft sleeve (3) is movably mounted on the outer surface of the transmission rod (2), and a fixed chuck (4) is movably connected to the other end of the transmission rod (2);
the rotary shaft sleeve (3) comprises a butt joint clamping rod (33), an inner cavity is formed in the butt joint clamping rod (33), a clamping tooth sleeve (a 2) is fixedly connected to the top of the inner cavity, and a clamping groove is formed in the inner wall of the butt joint clamping rod (33).
2. A drive shaft for an exercise apparatus drive system according to claim 1, wherein: one end of the butt joint clamping rod (33) is fixedly connected with a clamping head (a 1), the butt joint clamping rod (33) is in a conical sleeve with a small upper part and a large lower part, and a butt joint port (a 3) is fixedly arranged in the clamping groove.
3. A drive shaft for an exercise apparatus drive system according to claim 1, wherein: the bayonet sleeve (a 2) comprises an outer ring (a 21), a sleeve (a 22) is fixedly connected to the outer surface of the left side of the outer ring (a 21), a cavity is formed in the sleeve (a 22), fixing teeth (a 23) are fixedly connected to the inner wall of the cavity, and the fixing teeth (a 23) are uniformly distributed on the inner wall of the sleeve (a 22).
4. A drive shaft for an exercise apparatus drive system according to claim 1, wherein: the outer surface of the transmission rod (2) is provided with a hollow groove (21), a T-shaped push block (22) is movably mounted inside the hollow groove (21), and the outer surface of one end of the transmission rod (2) is provided with an external tooth (23).
5. A drive shaft for an exercise apparatus drive system according to claim 1, wherein: the cavity has been seted up to the inside of rotating axle sleeve (3), fixedly connected with fixed block on the inner wall of rotating axle sleeve (3), casing (31) in the one end fixedly connected with of fixed block, movable mounting has on the inner wall of interior casing (31) links up pole (32), fixedly connected with butt joint kelly (33) are served to the left side one of linking up pole (32).
6. A drive shaft for an exercise apparatus drive system according to claim 1, wherein: fixed dop (4) include shell (41), L type cavity (42) have been seted up to the inside of shell (41), be provided with buffer block (43) on the inner wall of shell (41), fixedly connected with flitch (44) are served to one of buffer block (43).
7. A drive shaft for an exercise apparatus drive system according to claim 4, wherein: the outer surface of the T-shaped push block (22) is provided with a convex arc-shaped block, the two ends of the T-shaped push block (22) are butted with clamping blocks, and the outer surface of the external connecting teeth (23) is movably connected to the outer surface of the fixing teeth (a 23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120952622.XU CN215487532U (en) | 2021-05-07 | 2021-05-07 | Transmission shaft for fitness equipment transmission system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120952622.XU CN215487532U (en) | 2021-05-07 | 2021-05-07 | Transmission shaft for fitness equipment transmission system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215487532U true CN215487532U (en) | 2022-01-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120952622.XU Active CN215487532U (en) | 2021-05-07 | 2021-05-07 | Transmission shaft for fitness equipment transmission system |
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| Country | Link |
|---|---|
| CN (1) | CN215487532U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114412931A (en) * | 2022-01-20 | 2022-04-29 | 白城师范学院 | Acceleration mechanism for assembling fluency strip |
-
2021
- 2021-05-07 CN CN202120952622.XU patent/CN215487532U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114412931A (en) * | 2022-01-20 | 2022-04-29 | 白城师范学院 | Acceleration mechanism for assembling fluency strip |
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