Electric tool rotating shaft convenient to quickly assemble

Abstract

The utility model relates to the technical field of electric tool rotating shafts, and discloses an electric tool rotating shaft convenient to quickly assemble, which comprises a connecting sleeve, a first shaft body and a second shaft body, a through groove is formed in the connecting sleeve, and a nut is fixed at the top end of a connecting bolt. The through groove is formed in the connecting sleeve, the first shaft body is inserted from the left side position and limited by the second limiting plate, in the same way, the second shaft body is inserted from the right side position and limited by the first limiting plate, at the moment, the first positioning block reaches the position of the second positioning seat, and meanwhile, the second positioning block reaches the position of the first positioning seat; therefore, the mounting hole, the first connecting groove and the second connecting groove are finally located at the same vertical position, after the nut is rotated, the connecting bolt passes through the mounting hole and then is in threaded connection with the first connecting groove and the second connecting groove, and the tail end of the connecting bolt and the connecting base are in threaded locking. In this way, certain assembling convenience is improved in the working process.

Description

Technical Field

[0001] The utility model relates to the technical field of electric tool rotating shafts, in particular to an electric tool rotating shaft which is convenient for quick assembly. Background Art

[0002] A power tool shaft is a shaft used to connect product components. It is mainly used to rotate components that bear both bending and torque during operation. Power tool shafts are usually used in the motors of power tools. Most power tool shafts have characteristics such as high temperature resistance, high precision, high load resistance, and dust and water resistance.

[0003] The application range of power tool shafts is very wide, such as straight shafts, damping shafts, and flexible screen shafts. Although these shafts are used in different fields, they are all important components of the products and play a vital role in the overall structure of the products. When using power tools, the shafts usually need to be connected for ease of use. If this is inconvenient during assembly, it will easily cause inconvenience to the staff. Utility Model Content

[0004] The purpose of the present utility model is to provide a power tool shaft that is easy to assemble quickly, so as to solve the problem in the above background technology that the power tool shaft usually needs to be connected for easy use during use, which is inconvenient during assembly and easily causes inconvenience to the staff.

[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: an electric tool shaft that is easy to assemble quickly, comprising a connecting sleeve, a first shaft body, and a second shaft body, a through groove being formed in the connecting sleeve, a second positioning block being fixed at a lower position on the right side of the first shaft body, a second connecting groove being provided in the second positioning block, a second positioning seat being fixed at an upper position on the right side of the first shaft body, a first positioning seat being installed at a lower position on the left side of the second shaft body, a first positioning block being fixed at an upper position on the left side of the second shaft body, a first connecting groove being provided in the first positioning block, a mounting hole being provided in the top of the connecting sleeve, a connecting seat being assembled at the bottom position in the through groove, a connecting bolt being connected in the mounting hole, and a nut being fixed at the top of the connecting bolt.

[0006] Preferably, the inner diameter of the second positioning seat is larger than the outer diameter of the first positioning block, and the inner diameter of the first positioning seat is larger than the outer diameter of the second positioning block.

[0007] Preferably, a threaded locking is formed between the tail end of the connecting bolt and the connecting seat, and the connecting bolt is threadedly connected to the first connecting groove and the second connecting groove.

[0008] Preferably, a second limiting plate is fixed to the left side of the first shaft, and a left outer shaft is fixed to the left side of the second limiting plate.

[0009] Preferably, a first limiting plate is fixed to the right side of the second shaft, and a right outer shaft is fixed to the right side of the first limiting plate.

[0010] Preferably, mounting seats are installed at upper and lower positions in the through slot, embedding grooves are provided in the mounting seats, balls are embedded in the embedding grooves, and the mounting seats are evenly distributed at upper and lower positions in the through slot.

[0011] Preferably, the outer side wall of the connecting sleeve is coated with an anti-corrosion layer, and the reinforcing components are evenly distributed in the solid layer of the connecting sleeve.

[0012] Preferably, the reinforcement assembly includes a first diagonal brace, a second diagonal brace, and a reinforcement rod, and the reinforcement rod is distributed between the first diagonal brace and the second diagonal brace.

[0013] Compared with the prior art, the beneficial effects of the present invention are: the electric tool shaft that is easy to assemble quickly not only improves the assembly convenience, but also improves the assembly guide ability and use strength of the electric tool shaft;

[0014] By opening the through slot in the connecting sleeve, the first shaft body is inserted from the left position and limited by the second limit plate. Similarly, the second shaft body is inserted from the right position and limited by the first limit plate. At this time, the first positioning block reaches the position of the second positioning seat, and the second positioning block reaches the position of the first positioning seat, thereby completing the positioning work. Therefore, the mounting hole, the first connecting groove, and the second connecting groove are finally located at the same vertical position. After rotating the nut, the connecting bolt passes through the mounting hole and is respectively threadedly connected to the first connecting groove and the second connecting groove, and the tail end of the connecting bolt is threadedly locked with the connecting seat, thereby improving a certain degree of assembly convenience during the working process.

[0015] By forming a through groove in the connecting sleeve, and mounting seats are installed at the upper and lower positions of the through groove, and the mounting seats are provided with embedded grooves, and balls are embedded in the embedded grooves, so that when the first shaft body and the second shaft body are guided and inserted, a certain rolling guide can be formed under the rolling of the balls, thereby improving the guiding ability during assembly;

[0016] By applying the anti-corrosion layer on the outer wall of the connecting sleeve, and then evenly distributing the reinforcing component on the solid layer of the connecting sleeve, the reinforcing component is composed of a first diagonal brace, a second diagonal brace and a reinforcing rod. The reinforcing rod is used to connect the first diagonal brace and the second diagonal brace, and plays a certain stabilizing role, and the even distribution of the reinforcing component improves the usage strength to a certain extent. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1This is a schematic diagram of the main structure of the utility model;

[0018] Figure 2 This is a schematic diagram of a partial front cross-sectional structure of the connecting sleeve of the present invention;

[0019] Figure 3 This is a schematic diagram of a partial cross-sectional structure of the connecting sleeve of the utility model;

[0020] Figure 4 For the utility model Figure 1 Schematic diagram of the enlarged cross-section structure at point A in the middle.

[0021] In the figure: 1. Connecting sleeve; 2. First shaft; 3. Second shaft; 4. First limiting plate; 5. Right outer shaft; 6. Through groove; 7. Second limiting plate; 8. Left outer shaft; 9. Nut; 10. Mounting hole; 11. First positioning block; 12. First connecting groove; 13. First positioning seat; 14. Connecting seat; 15. Second positioning block; 16. Second connecting groove; 17. Second positioning seat; 18. Connecting bolt; 19. Anti-corrosion layer; 20. Reinforcement assembly; 21. First diagonal support rod; 22. Second diagonal support rod; 23. Reinforcement rod; 24. Mounting seat; 25. Ball; 26. Groove. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] See also Figure 1-4 , the utility model provides an embodiment: an electric tool shaft that is easy to assemble quickly, including a connecting sleeve 1, a first shaft body 2, and a second shaft body 3. A through groove 6 is formed in the connecting sleeve 1, a second positioning block 15 is fixed at the lower position on the right side of the first shaft body 2, and a second connecting groove 16 is opened in the second positioning block 15. A second positioning seat 17 is fixed at the upper position on the right side of the first shaft body 2, a first positioning seat 13 is installed at the lower position on the left side of the second shaft body 3, and a first positioning block 11 is fixed at the upper position on the left side of the second shaft body 3. A first connecting groove 12 is opened in the first positioning block 11, a mounting hole 10 is opened in the top of the connecting sleeve 1, a connecting seat 14 is assembled at the bottom position in the through groove 6, a connecting bolt 18 is connected in the mounting hole 10, and a nut 9 is fixed to the top of the connecting bolt 18.

[0024] The inner diameter of the second positioning seat 17 is larger than the outer diameter of the first positioning block 11 , and the inner diameter of the first positioning seat 13 is larger than the outer diameter of the second positioning block 15 .

[0025] A threaded locking is formed between the tail end of the connecting bolt 18 and the connecting seat 14 , and the connecting bolt 18 is threadedly connected to the first connecting groove 12 and the second connecting groove 16 .

[0026] A second limiting plate 7 is fixed to the left side of the first shaft 2 , and a left outer shaft 8 is fixed to the left side of the second limiting plate 7 .

[0027] A first limiting plate 4 is fixed to the right side of the second shaft 3 , and a right outer shaft 5 is fixed to the right side of the first limiting plate 4 .

[0028] Mounting seats 24 are mounted at upper and lower positions in the through slot 6 . Embedding grooves 26 are defined in the mounting seats 24 . Ball bearings 25 are embedded in the embedding grooves 26 . The mounting seats 24 are evenly distributed at upper and lower positions in the through slot 6 .

[0029] The outer side wall of the connecting sleeve 1 is coated with an anti-corrosion layer 19 , and reinforcement components 20 are evenly distributed in the solid layer of the connecting sleeve 1 .

[0030] The reinforcement assembly 20 includes a first diagonal brace 21, a second diagonal brace 22, and a reinforcement rod 23. The reinforcement rod 23 is distributed between the first diagonal brace 21 and the second diagonal brace 22.

[0031] Furthermore, the reinforcement component 20 is distributed in the solid layer of the connecting sleeve 1, which is the area between the through groove 6 and the outer wall of the connecting sleeve 1, and the area is a solid layer.

[0032] Working principle: First, during operation, the through slot 6 is opened in the connecting sleeve 1, and the first axis body 2 is inserted from the left position and limited by the second limit plate 7. Similarly, the second axis body 3 is inserted from the right position and limited by the first limit plate 4. At this time, the first positioning block 11 reaches the position of the second positioning seat 17, and the second positioning block 15 reaches the position of the first positioning seat 13. When the first axis body 2 and the second axis body 3 are guided and inserted, a certain rolling guide can be formed under the rolling of the ball 25 to complete the positioning work. Therefore, the mounting hole 10, the first connecting groove 12, and the second connecting groove 16 are finally located in the same vertical position. After rotating the nut 9, the connecting bolt 18 is allowed to pass through the mounting hole 10 and form a threaded connection with the first connecting groove 12 and the second connecting groove 16 respectively, and the tail end of the connecting bolt 18 is threadedly locked with the connecting seat 14, thereby completing the connection and assembly of the connecting sleeve 1, the first axis body 2, the second axis body 3, the right outer axis body 5 and the left outer axis body 8.

[0033] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

Claims

1. A power tool shaft that is easy to assemble quickly, comprising a connecting sleeve (1), a first shaft body (2), and a second shaft body (3), characterized in that: A through slot (6) is formed in the connecting sleeve (1), a second positioning block (15) is fixed at a lower position on the right side of the first shaft (2), a second connecting slot (16) is provided in the second positioning block (15), a second positioning seat (17) is fixed at an upper position on the right side of the first shaft (2), a first positioning seat (13) is installed at a lower position on the left side of the second shaft (3), a first positioning block (11) is fixed at an upper position on the left side of the second shaft (3), a first connecting slot (12) is provided in the first positioning block (11), a mounting hole (10) is provided in the top of the connecting sleeve (1), a connecting seat (14) is assembled at the bottom position in the through slot (6), a connecting bolt (18) is connected in the mounting hole (10), and a nut (9) is fixed to the top of the connecting bolt (18).

2. The electric tool shaft for quick assembly according to claim 1, characterized in that: The inner diameter of the second positioning seat (17) is larger than the outer diameter of the first positioning block (11), and the inner diameter of the first positioning seat (13) is larger than the outer diameter of the second positioning block (15).

3. The electric tool shaft for quick assembly according to claim 1, characterized in that: A threaded locking is formed between the tail end of the connecting bolt (18) and the connecting seat (14), and the connecting bolt (18) and the first connecting groove (12) and the second connecting groove (16) are all threadedly connected.

4. The electric tool shaft for quick assembly according to claim 1, characterized in that: A second limiting plate (7) is fixed to the left side of the first shaft (2), and a left outer shaft (8) is fixed to the left side of the second limiting plate (7).

5. The electric tool shaft for quick assembly according to claim 1, characterized in that: A first limiting plate (4) is fixed to the right side of the second shaft (3), and a right outer shaft (5) is fixed to the right side of the first limiting plate (4).

6. The electric tool shaft for quick assembly according to claim 1, characterized in that: The upper and lower positions in the through slot (6) are both equipped with mounting seats (24), the mounting seats (24) are provided with embedded grooves (26), and the embedded grooves (26) are embedded with balls (25), and the mounting seats (24) are evenly distributed in the upper and lower positions in the through slot (6).

7. The electric tool shaft for quick assembly according to claim 1, characterized in that: The outer side wall of the connecting sleeve (1) is coated with an anti-corrosion layer (19), and the reinforcing components (20) are evenly distributed in the solid layer of the connecting sleeve (1).

8. The electric tool shaft for quick assembly according to claim 7, characterized in that: The reinforcement assembly (20) comprises a first diagonal support rod (21), a second diagonal support rod (22), and a reinforcement rod (23), wherein the reinforcement rod (23) is distributed between the first diagonal support rod (21) and the second diagonal support rod (22).

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