Stirring shaft base
By adding a cover plate and a fixing plate on the top of the stirring shaft base and using a keyway and threaded hole structure, the problem of looseness between the stirring shaft and the base is solved, and higher connection strength and stability are achieved, which is suitable for processing viscous materials.
Patent Information
- Application Number
- CN202422849011.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-21
- Publication Date
- 2025-10-14
- Estimated Expiration
- 2034-11-21
AI Technical Summary
The connection between the stirring shaft and the base in the existing stirring kettle is easy to loosen when processing viscous materials, resulting in an unstable connection and posing a safety hazard.
A cover plate and fixed plates on both sides are added to the top of the stirring shaft base, which is fixed to the top cover of the mixing barrel through a positioning structure to enhance the connection strength and improve the circumferential positioning effect. The design of keyways and threaded holes is included to ensure a stable installation.
The connection strength and stability of the stirring shaft base are improved, the chance of loosening is reduced, and the reliability of operation under high load conditions is ensured.
Smart Images
Figure CN223430185U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to agitator parts technical field, specifically is a kind of stirring shaft pedestal. BACKGROUND
[0002] Commonly used stirred tank reactor has multiple, stirrer includes transmission, stirring shaft, impeller and kettle body, the kettle body includes cylinder, jacket, inner part, coil pipe and draft tube etc..When working, there is pedestal between stirring shaft and the top cover of kettle body, stirring shaft passes through the center hole of top cover and pedestal simultaneously, in ordinary stirred tank, the pedestal is fixed in the hole of top cover by positioning structure with the structure similar to shaft sleeve, but once encountering the material of stirring is relatively viscous, relatively large load is generated during stirring work, thereby increase the pressure between stirring shaft and pedestal, long-term use can appear the possibility of loosening between pedestal and top cover, once loosening, it can cause serious consequences. SUMMARY
[0003] The technical problem to be solved by the utility model is to provide a stirring shaft pedestal with cover plate added at the top of pedestal, first fixing plate and second positioning plate at two sides, so that the connection strength is increased, the circumferential positioning effect is also increased, and the loosening probability is reduced.
[0004] The technical scheme of the utility model is to provide a stirring shaft pedestal with the following structure, including first pipe fitting, second pipe fitting in lower part and cover plate in upper part, the top of first pipe fitting is connected with the bottom of cover plate, the bottom of first pipe fitting is connected with the top of second pipe fitting, the stirring shaft pedestal is provided with center hole penetrating cover plate, first pipe fitting and second pipe fitting, for installing stirring shaft;The stirring shaft pedestal further includes first fixing plate and second fixing plate, the first fixing plate is fixed at the connection of one side of first pipe fitting and cover plate, the second fixing plate is fixed at the connection of other side of first pipe fitting and cover plate, first positioning structure is arranged on the first fixing plate, for fixing with stirring bucket top cover, the first fixing plate is fixed with stirring bucket top cover through first positioning structure, second positioning structure is arranged on first pipe fitting, first pipe fitting and stirring bucket top cover are circumferentially positioned through second positioning structure, the first positioning structure and first positioning structure position and fix the stirring shaft pedestal in two directions.
[0005] The first fixing plate is in rectangular structure, top and the bottom of cover plate are integrated, inside and the side wall of first pipe fitting are integrated, bottom is abutted with the inner hole step surface of stirring bucket top cover after installation.
[0006] The first positioning structure comprises a key groove and a plurality of first threaded holes, the plurality of first threaded holes are distributed above and below the key groove, a flat key is embedded into the key groove through the side wall of the top cover of the stirring barrel in a state of being embedded into the top cover of the stirring barrel, and a bolt consistent in number with the first threaded holes is screwed into the first threaded holes through the through hole of the top cover of the stirring barrel.
[0007] The second positioning structure is a plurality of second threaded holes, a bolt consistent in number with the second threaded holes is screwed into the second threaded holes through the through hole of the top cover of the stirring barrel, and the plurality of first threaded holes and the plurality of second threaded holes are distributed along the up and down directions and are spaced 90 degrees along the circumferential direction.
[0008] The top of the cover plate is provided with a rectangular protrusion, the through hole of the top cover of the stirring barrel is provided with a positioning plate at the end of the through hole when the stirring shaft base is embedded into the through hole of the top cover of the stirring barrel, the positioning plate covers the cavity between the rectangular protrusion and the top cover, and the positioning plate is detachably fixed with the top cover.
[0009] The positioning plate is provided with a rectangular hole, the rectangular hole is matched with the rectangular protrusion, and thus the downward pressure of the stirring shaft base is provided.
[0010] After the above structure is adopted, the mixer has the following advantages: 1. Since the stirring shaft base further comprises a first fixing plate and a second fixing plate, the first fixing plate is fixed at the connection between one side of the first pipe and the cover plate, the second fixing plate is fixed at the connection between the other side of the first pipe and the cover plate, that is, one plate is added on each side, and the plate can be embedded into the top cover after installation, so that the circumferential positioning property of the base is improved. 2. The first fixing plate and the second fixing plate are added, and the strength of the base is also improved, so that the base can withstand a large load of the stirring shaft and the loosening probability is reduced.
[0011] As an improvement, the first fixing plate has a rectangular structure, the top is integrated with the bottom of the cover plate, the inner side is integrated with the side wall of the first pipe, and the bottom abuts against the stepped surface of the inner hole of the top cover of the stirring barrel after installation, so that the overall structure of the base is improved and the strength is further improved.
[0012] As an improvement, the first positioning structure comprises a key groove and a plurality of first threaded holes, the plurality of first threaded holes are distributed above and below the key groove, a flat key is embedded into the key groove through the side wall of the top cover of the stirring barrel in a state of being embedded into the top cover of the stirring barrel, and a bolt consistent in number with the first threaded holes is screwed into the first threaded holes through the through hole of the top cover of the stirring barrel, which is convenient to install and is prone to processing.
[0013] As an improvement, the second positioning structure is a plurality of second threaded holes, a bolt consistent in number with the second threaded holes is screwed into the second threaded holes through the through hole of the top cover of the stirring barrel, and the plurality of first threaded holes and the plurality of second threaded holes are distributed along the up and down directions and are spaced 90 degrees along the circumferential direction, which is convenient to install and is prone to processing.
[0014] As improvement, the top of the cover plate is provided with a rectangular protrusion, the through hole of the top cover of the stirring barrel is embedded with the stirring shaft base, and the end of the through hole of the top cover of the stirring barrel is provided with a positioning plate covering the cavity between the rectangular protrusion and the top cover and detachably fixed with the top cover, so that the installation strength is increased.
[0015] As improvement, the positioning plate is provided with a rectangular hole matched with the shape of the rectangular protrusion, so that the downward pressure of the stirring shaft base is provided, and the top of the base is positioned in multiple directions of up and down, front and back, and left and right by the positioning plate. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a schematic view of the perspective view one of the stirring shaft base of the utility model.
[0017] Figure 2 It is a schematic view of the perspective view two of the stirring shaft base of the utility model.
[0018] Figure 3 It is a schematic view of the installation section of the stirring shaft base of the utility model.
[0019] Figure 4 It is a schematic view of the section of the stirring shaft base of the utility model.
[0020] Figure 5 It is a schematic view of the plan view of the stirring shaft base of the utility model.
[0021] Figure 6 It is a schematic view of the right view of the stirring shaft base of the utility model.
[0022] Figure 7 It is a schematic view of the front view of the stirring shaft base of the utility model.
[0023] In the drawings:
[0024] 1, first pipe fitting, 2, second pipe fitting, 3, cover plate, 4, first fixed plate, 5, second fixed plate, 6, top cover of stirring barrel, 7, key groove, 8, first threaded hole, 9, second threaded hole, 10, rectangular protrusion, 11, positioning plate. DETAILED DESCRIPTION
[0025] The utility model will be further described below in combination with the drawings.
[0026] As Figures 1-7As shown, the utility model discloses a kind of stirring shaft pedestals, including lower first pipe fitting 1, second pipe fitting 2 and upper cover plate 3, the top of first pipe fitting 1 is connected with the bottom of cover plate 3, the bottom of first pipe fitting 1 is connected with the top of second pipe fitting 2, the stirring shaft pedestal is equipped with the center hole of through cover plate 3, first pipe fitting 1, second pipe fitting 2, for installing stirring shaft.The center hole is a stepped hole, and the stirring shaft can be positioned downward after being put in.
[0027] As Figure 1 , Figure 2 As shown, the stirring shaft pedestal further includes first fixed plate 4 and second fixed plate 5, the first fixed plate 4 is fixed at the connection of one side of first pipe fitting 1 and cover plate 3, and the first fixed plate 4 is a rectangular block structure.The second fixed plate 5 is fixed at the connection of the other side of first pipe fitting 1 and cover plate 3, and the second fixed plate 5 is a triangular structure.
[0028] The first fixed plate 4 is provided with a first positioning structure for fixing with the stirring bucket top cover 6, and the first fixed plate 4 is fixed with the stirring bucket top cover 6 through the first positioning structure.The first pipe fitting 1 is provided with a second positioning structure, and the first pipe fitting 1 is circumferentially positioned with the stirring bucket top cover 6 through the second positioning structure.The first positioning structure and the first positioning structure position and fix the stirring shaft pedestal in two directions.
[0029] As Figure 1 and Figure 4 As shown, the first fixed plate 4 is in a rectangular structure, the top of which is integrated with the bottom of cover plate 3, the inner side of which is integrated with the side wall of first pipe fitting 1, and the bottom abuts against the stepped surface of the inner hole of stirring bucket top cover 6 after installation.The first positioning structure includes a key groove 7 and a plurality of first threaded holes 8, and the plurality of first threaded holes 8 are distributed above and below the key groove 7, and there are two in this embodiment, one above the key groove 7 and one below the key groove 7.In the state of being embedded in the stirring bucket top cover 6, the flat key passes through the side wall of the top cover 6 and is embedded in the key groove 7 for positioning, and the number of bolts corresponding to the first threaded holes 8 passes through the through hole of the stirring bucket top cover 6 and is screwed into the first threaded holes 8.
[0030] As Figure 2 As shown, the second positioning structure is a plurality of second threaded holes 9, and the number of bolts corresponding to the second threaded holes 9 passes through the through hole of the stirring bucket top cover 6 and is screwed into the second threaded holes 9, and there are two in this embodiment, and the plurality of first threaded holes 8 and the plurality of second threaded holes 9 are distributed upward and downward, and the two are spaced 90° in the circumferential direction.
[0031] The top of the cover plate 3 is provided with a rectangular protrusion 10. When the stirring shaft base is embedded into the through hole of the stirring barrel top cover 6, the end of the through hole of the stirring barrel top cover 6 is provided with a positioning plate 11, which covers the cavity between the rectangular protrusion 10 and the top cover 6 and is detachably fixed with the top cover 6.
[0032] The positioning plate 11 is provided with a rectangular hole which matches the shape of the rectangular protrusion 10, thereby providing downward pressure of the stirring shaft base. The rectangular protrusion 10 fills the vacancy of the rectangular block, and the position of the rectangular protrusion 10 is positioned through the rectangular hole, thereby achieving multi-directional positioning in the up-down direction, the front-back direction and the left-right direction.
Claims
1. A stirring shaft base, characterized in that: The invention comprises a first pipe member (1) at the bottom, a second pipe member (2) and an upper cover plate (3), wherein the top of the first pipe member (1) is connected to the bottom of the cover plate (3), and the bottom of the first pipe member (1) is connected to the top of the second pipe member (2), and the stirring shaft base is provided with a central hole penetrating the cover plate (3), the first pipe member (1) and the second pipe member (2) for mounting the stirring shaft; the stirring shaft base further comprises a first fixing plate (4) and a second fixing plate (5), wherein the first fixing plate (4) is fixed to the connection between one side of the first pipe member (1) and the cover plate (3) The second fixing plate (5) is fixed at the connection between the other side of the first pipe (1) and the cover plate (3); the first fixing plate (4) is provided with a first positioning structure for fixing to the mixing barrel top cover (6); the first fixing plate (4) is fixed to the mixing barrel top cover (6) through the first positioning structure; the first pipe (1) is provided with a second positioning structure; the first pipe (1) and the mixing barrel top cover (6) are circumferentially positioned by the second positioning structure; the first positioning structure and the first positioning structure position and fix the stirring shaft base in two directions.
2. The stirring shaft base according to claim 1, characterized in that: The first fixing plate (4) is of rectangular structure, the top is connected to the bottom of the cover plate (3) as a whole, the inner side is connected to the side wall of the first pipe (1) as a whole, and the bottom is against the inner hole step surface of the mixing barrel top cover (6) after installation.
3. The stirring shaft base according to claim 1, characterized in that: The first positioning structure comprises a keyway (7) and a plurality of first threaded holes (8), wherein the plurality of first threaded holes (8) are distributed above and below the keyway (7); when the keyway is embedded in the top cover (6) of the mixing barrel, the flat key passes through the side wall of the top cover (6) and is embedded in the keyway (7) for positioning; bolts having the same number as the first threaded holes (8) pass through the through holes of the top cover (6) of the mixing barrel and are screwed into the first threaded holes (8).
4. The stirring shaft base according to claim 3, characterized in that: The second positioning structure is a plurality of second threaded holes (9), and bolts having the same number as the second threaded holes (9) pass through the through holes of the mixing barrel top cover (6) and are screwed into the second threaded holes (9). The plurality of first threaded holes (8) and the plurality of second threaded holes (9) are distributed vertically and are spaced 90 degrees apart in the circumferential direction.
5. The stirring shaft base according to claim 1, characterized in that: A rectangular protrusion (10) is provided on the top of the cover plate (3), and when the stirring shaft base is embedded in the through hole of the stirring barrel top cover (6), a positioning plate (11) is provided at the end of the through hole of the stirring barrel top cover (6). The positioning plate (11) covers the cavity between the rectangular protrusion (10) and the top cover (6) and is detachably fixed to the top cover (6).
6. The stirring shaft base according to claim 5, characterized in that: The positioning plate (11) is provided with a rectangular hole, which matches the shape of the rectangular convex block (10), thereby providing downward pressure on the stirring shaft base.