Combined transmission shaft

Abstract

The utility model discloses a combined type transmission shaft which comprises a body component, a transmission shaft, a transmission shaft and a transmission shaft, and the body component comprises a shaft body and a shaft rod; the combined part comprises a clamping block, a guide rod, a guide groove, a limiting ring, an extension ring, a supporting ring, an extension block, a supporting block and a clamping groove; the supporting blocks are connected to the circumference of one side of the outer surface of the shaft body at equal intervals, clamping grooves are formed in the supporting blocks, the extending rings are connected to the outer surface of the shaft body, and the supporting rings are connected to the outer surfaces of the extending rings. The rotating shaft solves the problems that when an existing rotating shaft is actually used, dust in the external environment can be attached to the outer surface of a shaft body, dust on the outer surface can be transmitted to the inner surface of the shaft body, when the shaft body is detached for maintenance, the shaft body and a shaft rod are generally fixed, the shaft body and the shaft rod are difficult to detach, and the rotating shaft is inconvenient to use. The problems that dust attached to the inner surface of a shaft body is difficult to clean, and when the shaft body rotates again for use, blockage is caused due to attachment of the dust are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of transmission shafts, in particular to a combined transmission shaft. Background Art

[0002] The rotating shaft is a key component in a mechanical system for transmitting torque and bearing bending moment. It is usually installed on two or more support points to support rotating components such as wheels, gears or pulleys, so that it can transmit power efficiently.

[0003] When the existing rotating shaft is actually used, dust in the external environment will adhere to the outer surface of the shaft body, and the dust on the outer surface will be transferred to the inner surface of the shaft body. When the shaft body is disassembled for inspection, the shaft body and the shaft rod are usually fixed, and it is difficult to separate the shaft body and the shaft rod, making it difficult to clean the dust attached to the inner surface of the shaft body. When the shaft body is rotated and used again, blockage will occur due to the adhesion of dust. Therefore, it is necessary to provide a combined transmission shaft that can avoid the difficulty in separating the shaft body and the shaft rod as mentioned above, so as to facilitate the cleaning of the inner and outer surfaces of the shaft body after unpacking. Utility Model Content

[0004] The purpose of the utility model is to provide a combined transmission shaft to solve the problem raised in the above-mentioned background technology that, when the existing rotating shaft is actually used, dust in the external environment will adhere to the outer surface of the shaft body, and the dust on the outer surface will be transferred to the inner surface of the shaft body. When the shaft body is disassembled for inspection, the shaft body and the shaft rod are usually fixed, and it is difficult to separate the shaft body and the shaft rod, making it difficult to clean the dust attached to the inner surface of the shaft body. When the shaft body is rotated and used again, blockage will occur due to the adhesion of dust.

[0005] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] The utility model is a combined transmission shaft, comprising:

[0007] A body component, the body component comprising a shaft body and a shaft rod;

[0008] A combined component, the combined component comprising a clamping block, a guide rod, a guide groove, a limiting ring, an extension ring, a support ring, an extension block, a support block and a clamping groove;

[0009] One side of the outer surface of the shaft body is equidistantly connected to the support block, a snap-in groove is provided inside the support block, the extension ring is connected to the outer surface of the shaft body, the support ring is connected to the outer surface of the extension ring, the outer surface of the support ring is equidistantly connected to the snap-in block, and the snap-in block is embedded in the snap-in groove.

[0010] Furthermore, one side of the outer surface of the clamping block is connected to a guide rod, and guide grooves are equidistantly arranged on the inner circumference of the shaft body, and the guide rod is movably connected inside the guide groove.

[0011] Furthermore, the shaft rod is connected to the inner surface of the shaft body by embedding, the outer surface of the guide rod is connected to a limiting ring, and the limiting ring is fitted on the other side of the outer surface of the shaft body.

[0012] Furthermore, one end of the support block is connected to the extension block, and the extension block is fitted with the clamping block.

[0013] Furthermore, it also includes a protective component, which includes a protective ring, a fixed plug block, a fixed slot, a reinforcement slot, a limit block and a reinforcement block;

[0014] The protective ring is connected to the inner surface of the shaft body, the middle of one side of the outer surface of the protective ring is connected to the fixed plug, the middle of one side of the outer surface of the support ring is provided with a fixed slot, and the fixed plug is connected inside the fixed slot by insertion.

[0015] Furthermore, the other side of the outer surface of the protective ring is equidistantly connected to a limit block, the middle of one side of the limit block is connected to a reinforcement block, and one side of the outer surface of the shaft is equidistantly provided with reinforcement grooves, and the reinforcement block is connected to the inside of the reinforcement groove by insertion.

[0016] Compared with the prior art, the advantages of the present invention are:

[0017] The utility model provides a supporting block on the outside of the shaft body, a clamping groove on the inside of the supporting block, and a clamping block on the outside of the shaft rod, so that the shaft rod can be embedded in the inner surface of the shaft body, and the limiting ring is loosened to separate the limiting ring from one side of the outer surface of the shaft body. The shaft rod is rotated, and the guide rod slides inside the guide groove to support the rotating shaft rod. The clamping block is separated from the clamping groove by rotation, and the shaft body and the shaft rod can be disassembled. In this way, the outer surface and the inner surface of the shaft body can be cleaned. After cleaning and installation, blockage caused by dust adhering to the inner surface of the shaft body can be avoided, and the inner surface and the outer surface of the shaft body after unpacking can be cleaned conveniently.

[0018] Based on the above beneficial effects, a protective ring is provided on the inner surface of the shaft body, the protective ring can be installed on the inner surface of the shaft body, the fixed plug is inserted into the inside of the fixed slot, and the reinforcement block is docked inside the reinforcement slot for fixation. When the shaft rod is installed on the inner surface of the shaft body, the shaft body will directly contact the protective ring to avoid direct contact with the inner surface of the shaft body. Long-term disassembly can avoid wear on the inner surface of the shaft body, and the protective ring can achieve an anti-wear effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0020] Figure 1 It is a schematic diagram of the shaft body of the utility model;

[0021] Figure 2 This is a schematic diagram of the shaft body and shaft rod of the utility model after being disassembled;

[0022] Figure 3 It is a schematic diagram of the shaft body of the utility model after rotation.

[0023] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0024] 11. shaft body; 12. shaft rod;

[0025] 21. Clamping block; 22. Guide rod; 23. Guide groove; 24. Limiting ring; 25. Extension ring; 26. Support ring; 27. Extension block; 28. Support block; 29. ​​Clamping groove;

[0026] 31. Protective ring; 32. Fixed plug block; 33. Fixed slot; 34. Reinforcement slot; 35. Limit block; 36. Reinforcement block. DETAILED DESCRIPTION

[0027] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0028] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific implementation methods disclosed below.

[0029] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0030] See also Figure 1-3 As shown, this embodiment is a combined transmission shaft, comprising:

[0031] A main body component, the main body component includes a shaft body 11 and a shaft rod 12;

[0032] A combined component, the combined component includes a clamping block 21, a guide rod 22, a guide groove 23, a limit ring 24, an extension ring 25, a support ring 26, an extension block 27, a support block 28 and a clamping groove 29;

[0033] One side of the outer surface of the shaft body 11 is equidistantly connected to the support block 28, and a clamping groove 29 is provided inside the support block 28. The extension ring 25 is connected to the outer surface of the shaft body 11, and the support ring 26 is connected to the outer surface of the extension ring 25. The outer surface of the support ring 26 is equidistantly connected to the clamping block 21, and the clamping block 21 is embedded in the clamping groove 29.

[0034] The shaft 12 rotates, and the guide rod 22 slides inside the guide groove 23, which can support the rotating shaft 12. By rotating, the clamping block 21 is separated from the clamping groove 29, and the shaft body 11 and the shaft 12 can be separated.

[0035] One side of the outer surface of the clamping block 21 is connected to a guide rod 22, and guide grooves 23 are equidistantly arranged on the inner circumference of the shaft body 11, and the guide rod 22 is movably connected inside the guide groove 23;

[0036] When the shaft rod 12 rotates, the guide rod 22 simultaneously rotates and moves inside the guide groove 23 , thereby supporting the rotating shaft rod 12 .

[0037] The shaft rod 12 is connected to the inner surface of the shaft body 11 by means of inlay, and the outer surface of the guide rod 22 is connected to the limit ring 24, and the limit ring 24 is attached to the other side of the outer surface of the shaft body 11;

[0038] When the clamping block 21 is fixed inside the clamping groove 29 , the limiting ring 24 will be fixed outside the guide rod 22 to reinforce the rotated shaft rod 12 again.

[0039] One end of the support block 28 is connected to the extension block 27, and the extension block 27 is fitted with the clamping block 21;

[0040] The clamping block 21 is attached to the outer surface of the extension block 27 , so that the clamping block 21 and the clamping groove 29 can be conveniently connected.

[0041] Working principle: first loosen the limit ring 24 so that the limit ring 24 is separated from one side of the outer surface of the shaft body 11, rotate the shaft rod 12, and the guide rod 22 slides inside the guide groove 23, which can support the rotating shaft rod 12. By rotating, the clamping block 21 is separated from the clamping groove 29, and the shaft body 11 and the shaft rod 12 can be separated. In this way, the outer surface and inner surface of the shaft body 11 can be cleaned. After cleaning and installation, the blockage caused by dust adhering to the inner surface of the shaft body 11 can be avoided, and the inner surface and outer surface of the shaft body 11 after unpacking can be cleaned conveniently;

[0042] During installation, the shaft rod 12 is embedded in the inner surface of the shaft body 11 and rotated, so that the clamping block 21 is clamped in the inside of the clamping groove 29 for fixation, and the guide rod 22 is simultaneously rotated in the guide groove 23, and then the limit ring 24 is fixed on the outer surface of the guide rod 22 to reinforce the shaft body 11. The installation and disassembly method saves time and effort.

[0043] See also Figure 1-3 As shown, this embodiment is based on the above embodiment 1 and further includes a protective component, wherein the protective component includes a protective ring 31, a fixed plug block 32, a fixed slot 33, a reinforcement slot 34, a limit block 35 and a reinforcement block 36;

[0044] The protective ring 31 is connected to the inner surface of the shaft body 11, the middle of one side of the outer surface of the protective ring 31 is connected to the fixed plug 32, the middle of one side of the outer surface of the support ring 26 is provided with a fixed slot 33, and the fixed plug 32 is connected to the inside of the fixed slot 33 by insertion;

[0045] The protection ring 31 can be installed on the inner surface of the shaft body 11 , and the shaft body 11 will directly contact the protection ring 31 . The protection ring 31 can achieve an anti-wear effect.

[0046] The other side of the outer surface of the protective ring 31 is equidistantly connected to the limit block 35, the middle part of one side of the limit block 35 is connected to the reinforcement block 36, and one side of the outer surface of the shaft body 11 is equidistantly provided with reinforcement grooves 34, and the reinforcement block 36 is connected to the inside of the reinforcement groove 34 by insertion;

[0047] The reinforcement block 36 is fixed inside the reinforcement groove 34 to improve the stability of the protective ring 31 after installation.

[0048] The working principle is that the protective ring 31 can be installed inside the shaft body 11 so that the protective ring 31 fits with the inner surface of the shaft body 11, the fixed plug 32 is inserted into the inside of the fixed slot 33, and the reinforcement block 36 is docked inside the reinforcement slot 34 for fixation. When the shaft rod 12 is installed on the inner surface of the shaft body 11, the shaft body 11 will directly contact with the protective ring 31 to avoid direct contact with the inner surface of the shaft body 11. Long-term disassembly can avoid wear on the inner surface of the shaft body 11. The protective ring 31 can achieve an anti-wear effect.

[0049] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0050] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A combined transmission shaft, characterized in that: include: A main body component, the main body component comprising an axle body (11) and a shaft (12); A combined component, the combined component comprising a clamping block (21), a guide rod (22), a guide groove (23), a limiting ring (24), an extension ring (25), a support ring (26), an extension block (27), a support block (28) and a clamping groove (29); One side of the outer surface of the shaft body (11) is equidistantly connected to a support block (28), a clamping groove (29) is provided inside the support block (28), the extension ring (25) is connected to the outer surface of the shaft body (11), the support ring (26) is connected to the outer surface of the extension ring (25), the outer surface of the support ring (26) is equidistantly connected to the clamping block (21), and the clamping block (21) is embedded in the clamping groove (29).

2. A combined transmission shaft according to claim 1, characterized in that: One side of the outer surface of the clamping block (21) is connected to a guide rod (22), and guide grooves (23) are equidistantly arranged on the inner circumference of the shaft body (11), and the guide rod (22) is movably connected inside the guide groove (23).

3. The combined transmission shaft according to claim 1, characterized in that: The shaft rod (12) is connected to the inner surface of the shaft body (11) by means of embedding, the outer surface of the guide rod (22) is connected to a limiting ring (24), and the limiting ring (24) is fitted to the other side of the outer surface of the shaft body (11).

4. The combined transmission shaft according to claim 1, characterized in that: One end of the support block (28) is connected to the extension block (27), and the extension block (27) is in close contact with the clamping block (21).

5. The combined transmission shaft according to claim 1, characterized in that: It also includes a protective component, which includes a protective ring (31), a fixed plug block (32), a fixed slot (33), a reinforcement slot (34), a limit block (35) and a reinforcement block (36); The protective ring (31) is connected to the inner surface of the shaft body (11), the middle of one side of the outer surface of the protective ring (31) is connected to the fixed plug block (32), the middle of one side of the outer surface of the support ring (26) is provided with a fixed slot (33), and the fixed plug block (32) is connected to the inside of the fixed slot (33) by insertion.

6. A combined transmission shaft according to claim 5, characterized in that: The other side of the outer surface of the protective ring (31) is equidistantly connected to a limit block (35), the middle of one side of the limit block (35) is connected to a reinforcement block (36), and one side of the outer surface of the shaft body (11) is equidistantly provided with reinforcement grooves (34) on the circumference, and the reinforcement block (36) is connected to the inside of the reinforcement groove (34) by insertion.

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