A spindle provided with a spindle mounting sleeve
By sliding the installation sleeve of the hollow structure on the surface of the connecting shaft of the spindle, the problem of ash or fragments is solved, and the effect of reducing the difficulty of disassembly and improving the sealing effect is achieved.
Patent Information
- Application Number
- CN202421573369.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-04
- Publication Date
- 2025-04-04
- Estimated Expiration
- 2034-07-04
AI Technical Summary
The screws and installation holes between the existing spindle and the power connection shaft are prone to accumulating ash or fragments, resulting in clogging, increasing the difficulty of later disassembly and repairs.
A spindle with a spindle mounting sleeve is designed. By sliding the mounting sleeve with a hollow structure on the surface of the connecting shaft and a threaded connection is provided between the shaft head and the connecting shaft, the mounting sleeve is ensured to be sleeved on the outer surface, thereby preventing ash or debris from being blocked.
Effectively prevent ash or debris from being blocked, reduce the difficulty of later disassembly and repair, and improve the sealing effect between the shaft head and the connecting shaft, enhancing the protective effect.
Smart Images
Figure CN222717304U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of main shafts, in particular to a main shaft provided with a main shaft mounting sleeve. Background Art
[0002] The main shaft refers to the shaft that receives power from the engine or motor and transmits it to other parts. When the main shaft is connected to the power connecting shaft, a threaded hole is opened on the surface of the main shaft, and then it is installed between the connecting shaft by installing screws. There is a gap at the connection of this connection method. Depending on the usage environment, especially in some poor environments, ash or debris will accumulate at the connection. Over time, the screws and the mounting holes will be blocked, increasing the difficulty of later disassembly and maintenance. For this reason, we propose a main shaft with a mounting sleeve to solve the above-mentioned deficiencies. Utility Model Content
[0003] The utility model aims to provide a main shaft provided with a main shaft mounting sleeve, which can prevent clogging by ash or debris, thereby reducing the difficulty of later disassembly and maintenance, so as to solve the above-mentioned background technical problems.
[0004] The technical solution of the utility model for solving the above technical problems is as follows: a spindle provided with a spindle mounting sleeve, comprising a driving shaft arranged on one side of a connecting shaft, the connecting shaft and the driving shaft being detachably connected, the driving shaft being fixedly connected with a shaft head on one side close to the connecting shaft, through holes being provided at the front and rear positions of the surface of the connecting shaft, threaded holes being provided at the front and rear positions of the surface of the shaft head and at positions located on the same axis as the through hole, the connecting shaft and the shaft head being threadedly connected by mounting screws, the mounting screws passing through the through holes and being threadedly connected with the inner surface of the threaded hole, the surface of the connecting shaft being slidably provided with a mounting sleeve of a hollow structure, the surface of the mounting sleeve being fixedly connected with a protrusion, one end face of the protrusion being annularly fixedly connected with a threaded column, the surface of the shaft head being fixedly connected with a mounting disk, the threaded column passing through the mounting disk and being threadedly connected with a nut, the surface of the nut being tightly fitted with the surface of the mounting disk, the inner surface of the mounting sleeve being fixedly connected with a guide block, and the surface of the connecting shaft being provided with a guide groove for the guide block to slide adaptively.
[0005] Preferably, a ring groove is provided in an annular shape on the surface of the shaft head, and a sealing ring is sleeved on the inner surface of the ring groove.
[0006] Preferably, a hole is provided inside the mounting plate at a position corresponding to the threaded column, and the threaded column passes through the hole and is threadedly connected to the inner surface of the nut.
[0007] Preferably, when the shaft head is inserted into the inner surface of the connecting shaft, the outer surface of the sealing ring is tightly fitted with the inner surface of the connecting shaft.
[0008] Preferably, the outer end surface of the mounting screw is located in the inner cavity of the through hole.
[0009] 1. The beneficial effects of the utility model are as follows: the utility model inserts the shaft head connected to one side of the active shaft into the interior of the connecting shaft, so that the threaded hole on the surface of the shaft head corresponds to the through hole on the surface of the connecting shaft, and then the connecting shaft and the shaft head are threadedly fastened by installing screws. After fastening and installation, the installation sleeve is moved, and the guide block on the inner surface of the installation sleeve is guided and slid inside the guide groove, so that the threaded column passes through the installation disk and is threadedly connected to the surface of the threaded column through the nut, and then the protrusion is installed between the installation disk, so that the installation sleeve is arranged on the outer surface of the connecting shaft and the shaft head, thereby preventing clogging by ash or debris, avoiding the inconvenience of disassembly due to clogging, and also improving the protection effect.
[0010] 2. The utility model provides a sealing ring through the surface sleeve of the annular groove, so that the surface of the sealing ring fits with the inner surface of the connecting shaft, thereby improving the sealing effect between the shaft head and the connecting shaft.
[0011] 3. The utility model provides holes to facilitate the penetration of the threaded column, thereby facilitating the threaded connection between the threaded column and the nut.
[0012] 4. The utility model avoids the situation in which the sliding of the sleeve between the connecting shaft and the mounting sleeve is hindered by arranging the outer end surface of the mounting screw to be located in the inner cavity of the through hole. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] in:
[0014] Figure 1 It is a schematic diagram of the structure of the utility model;
[0015] Figure 2 It is a schematic diagram of the disassembly of the structure of the utility model;
[0016] Figure 3 It is a schematic diagram of the guide block structure of the utility model.
[0017] In the accompanying drawings, the components represented by the reference numerals are listed as follows:
[0018] 1. Connecting shaft; 2. Driving shaft; 3. Shaft head; 4. Through hole; 5. Threaded hole; 6. Mounting screw; 7. Mounting sleeve; 8. Bump; 9. Threaded column; 10. Nut; 11. Guide block; 12. Guide groove; 13. Ring groove; 14. Sealing ring; 15. Hole; 16. Mounting plate. DETAILED DESCRIPTION
[0019] Hereinafter, an embodiment of a main shaft provided with a main shaft mounting sleeve according to the present invention will be described with reference to the accompanying drawings.
[0020] Embodiment 1:
[0021] Figure 1-3 The main shaft with a main shaft mounting sleeve of an embodiment of the utility model is shown, comprising a driving shaft 2 arranged on one side of a connecting shaft 1, the connecting shaft 1 and the driving shaft 2 are detachably connected, a shaft head 3 is fixedly connected to the side of the driving shaft 2 close to the connecting shaft 1, a ring groove 13 is formed on the surface of the shaft head 3 in an annular shape, a sealing ring 14 is sleeved on the inner surface of the ring groove 13, when the shaft head 3 is inserted into the inner surface of the connecting shaft 1, the outer surface of the sealing ring 14 is tightly fitted with the inner surface of the connecting shaft 1, and the sealing ring 14 is sleeved on the surface of the ring groove 13, so that the sealing ring 14 The surface of the connecting shaft 1 fits with the inner surface of the connecting shaft 1, thereby improving the sealing effect between the shaft head 3 and the connecting shaft 1. Through holes 4 are provided at the front and rear positions of the surface of the connecting shaft 1. Threaded holes 5 are provided at the front and rear positions of the surface of the shaft head 3 and at the position located on the same axis as the through holes 4. The connecting shaft 1 and the shaft head 3 are threadedly connected by mounting screws 6. The mounting screws 6 pass through the through holes 4 and are threadedly connected to the inner surface of the threaded holes 5. A mounting sleeve 7 with a hollow structure is slidably provided on the surface of the connecting shaft 1. A protrusion 8 is fixedly connected to the surface of the mounting sleeve 7. One end face of the protrusion 8 is annular A threaded column 9 is fixedly connected, and a mounting plate 16 is fixedly connected to the surface of the shaft head 3. The threaded column 9 passes through the mounting plate 16 and is threadedly connected to a nut 10. The surface of the nut 10 is tightly fitted with the surface of the mounting plate 16. A guide block 11 is fixedly connected to the inner surface of the mounting sleeve 7. A guide groove 12 for the guide block 11 to slide with the matching guide groove 12 is provided on the surface of the connecting shaft 1. The shaft head 3 connected to one side of the driving shaft 2 is inserted into the interior of the connecting shaft 1, so that the threaded hole 5 on the surface of the shaft head 3 corresponds to the through hole 4 on the surface of the connecting shaft 1, and then the screw 6 is installed to make The connecting shaft 1 and the shaft head 3 are threadedly connected. After being fastened and installed, the installation sleeve 7 is moved, and the guide block 11 on the inner surface of the installation sleeve 7 slides in the guide groove 12, so that the threaded column 9 passes through the installation disk 16 and is threadedly connected to the surface of the threaded column 9 through the nut 10, so that the protrusion 8 is installed between the installation disk 16, so that the installation sleeve 7 is sleeved on the outer surface of the connecting shaft 1 and the shaft head 3, thereby preventing clogging by ash or debris, avoiding the inconvenience of disassembly due to clogging, and also improving the protection effect.
[0022] Embodiment 2:
[0023] Figure 1-3A spindle with a spindle mounting sleeve in accordance with an embodiment of the utility model is shown, comprising a driving shaft 2 arranged on one side of a connecting shaft 1, the connecting shaft 1 and the driving shaft 2 are detachably connected, a shaft head 3 is fixedly connected to the side of the driving shaft 2 close to the connecting shaft 1, through holes 4 are provided at the front and rear positions of the surface of the connecting shaft 1, threaded holes 5 are provided at the front and rear positions of the surface of the shaft head 3 and at a position located on the same axis as the through hole 4, the connecting shaft 1 and the shaft head 3 are threadedly connected by mounting screws 6, the outer end face of the mounting screws 6 is located in the inner cavity of the through hole 4, and the outer end face of the mounting screws 6 is located in the inner cavity of the through hole 4 to avoid the situation where the sleeve sliding between the connecting shaft 1 and the mounting sleeve 7 is hindered, the mounting screws 6 pass through the through hole 4 and are threadedly connected to the inner surface of the threaded hole 5, and the surface of the connecting shaft 1 A mounting sleeve 7 with a hollow structure is provided for surface sliding. A protrusion 8 is fixedly connected to the surface of the mounting sleeve 7. One end face of the protrusion 8 is annularly fixedly connected to a threaded column 9. A mounting disk 16 is fixedly connected to the surface of the shaft head 3. A hole 15 is provided inside the mounting disk 16 and at a position corresponding to the threaded column 9. The threaded column 9 passes through the hole 15 and is threadedly connected to the inner surface of the nut 10. The hole 15 is provided to facilitate the penetration of the threaded column 9, thereby facilitating the threaded connection between the threaded column 9 and the nut 10. The threaded column 9 passes through the mounting disk 16 and is threadedly connected to the nut 10. The surface of the nut 10 is tightly fitted with the surface of the mounting disk 16. A guide block 11 is fixedly connected to the inner surface of the mounting sleeve 7. A guide groove 12 for the sliding adaptation of the guide block 11 is provided on the surface of the connecting shaft 1.
[0024] Working principle: When the utility model is used, the shaft head 3 connected to one side of the active shaft 2 is inserted into the interior of the connecting shaft 1, so that the threaded hole 5 on the surface of the shaft head 3 corresponds to the through hole 4 on the surface of the connecting shaft 1, and then the connecting shaft 1 and the shaft head 3 are threadedly fastened by installing the screw 6. After fastening and installation, the installation sleeve 7 is moved, and the guide block 11 on the inner surface of the installation sleeve 7 is guided and slid inside the guide groove 12, so that the threaded column 9 passes through the installation disk 16 and is threadedly connected to the surface of the threaded column 9 through the nut 10, and then the protrusion 8 is installed between the installation disk 16, so that the installation sleeve 7 is sleeved on the outer surface of the connecting shaft 1 and the shaft head 3, and a sealing ring 14 is sleeved on the surface of the annular groove 13, so that the surface of the sealing ring 14 fits with the inner surface of the connecting shaft 1, thereby improving the sealing effect between the shaft head 3 and the connecting shaft 1, thereby preventing clogging by ash or debris, avoiding the inconvenience of disassembly due to clogging, and also improving the protection effect.
Claims
1. A spindle provided with a spindle mounting sleeve, comprising a driving shaft (2) arranged on one side of a connecting shaft (1), wherein the connecting shaft (1) and the driving shaft (2) are detachably connected, characterized in that: The driving shaft (2) is fixedly connected to a shaft head (3) on one side close to the connecting shaft (1); through holes (4) are provided at front and rear positions on the surface of the connecting shaft (1); threaded holes (5) are provided at front and rear positions on the surface of the shaft head (3) and at positions coaxial with the through holes (4); the connecting shaft (1) and the shaft head (3) are threadedly connected via mounting screws (6); the mounting screws (6) penetrate the through holes (4) and are threadedly connected to the inner surface of the threaded holes (5); a mounting sleeve (7) with a hollow structure is slidably provided on the surface of the connecting shaft (1); A protrusion (8) is fixedly connected to the surface of the sleeve (7), one end face of the protrusion (8) is annularly fixedly connected to a threaded column (9), a mounting plate (16) is fixedly connected to the surface of the shaft head (3), the threaded column (9) penetrates the mounting plate (16) and is threadedly connected to a nut (10), the surface of the nut (10) is tightly fitted with the surface of the mounting plate (16), a guide block (11) is fixedly connected to the inner surface of the mounting sleeve (7), and a guide groove (12) for the guide block (11) to slide in an adaptive manner is provided on the surface of the connecting shaft (1).
2. A spindle with a spindle mounting sleeve according to claim 1, characterized in that: The surface of the shaft head (3) is provided with an annular groove (13), and the inner surface of the annular groove (13) is sleeved with a sealing ring (14).
3. The spindle with a spindle mounting sleeve according to claim 1, characterized in that: A hole (15) is provided inside the mounting plate (16) at a position corresponding to the threaded column (9), and the threaded column (9) passes through the hole (15) and is threadedly connected to the inner surface of the nut (10).
4. A spindle with a spindle mounting sleeve according to claim 2, characterized in that: When the shaft head (3) is inserted into the inner surface of the connecting shaft (1), the outer surface of the sealing ring (14) is tightly fitted to the inner surface of the connecting shaft (1).
5. The spindle with a spindle mounting sleeve according to claim 1, characterized in that: The outer end surface of the mounting screw (6) is located in the inner cavity of the through hole (4).