Detachable shaft and stirrer

Abstract

The utility model belongs to the technical field of stirrers, and particularly relates to a detachable shaft and a stirrer, the shaft comprises a first hollow shaft, a first solid shaft and a second solid shaft fixed to the top end of the first solid shaft, the top end of the second solid shaft is inserted into the bottom end of the first hollow shaft, a through groove is formed in the side wall of the bottom of the first hollow shaft, and the through groove is communicated with the first hollow shaft. A sliding block matched with the through groove is arranged on a shaft body of the second solid shaft; and after the second solid shaft is inserted into the first hollow shaft, a gap exists at the joint of the second solid shaft and the first hollow shaft, an arc-shaped block is clamped in the gap, a shell is fixedly connected to the outer surface of the arc-shaped block, and the upper portion and the lower portion of the inner surface of the shell are attached to the outer surfaces of the first hollow shaft and the first solid shaft correspondingly. The first hollow shaft and the first solid shaft are connected in an inserted mode to facilitate disassembly and replacement, the sliding block and the through groove are matched to facilitate limiting of the first hollow shaft and the first solid shaft, the arc-shaped block is used for fastening the first hollow shaft and the first solid shaft, and the shell is used for protecting the connecting position of the first hollow shaft and the first solid shaft.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of stirrer, concretely relates to a detachable shaft and stirrer. BACKGROUND

[0002] Stirrer is widely used in various chemical reaction processes, and the rate of chemical reaction and product quality can be improved by uniformly stirring and mixing various chemical raw materials.

[0003] The existing stirrer is in continuous corrosion state when the shaft bottom is in contact with chemical liquid for a long time, and is prone to breakage when rotating after being seriously corroded, so the whole shaft needs to be replaced when the shaft is replaced, and the parts welded on the shaft are replaced together, which is not convenient for installation and disassembly, increases unnecessary consumables and affects work efficiency. SUMMARY

[0004] The utility model discloses a detachable shaft and stirrer to solve the problem that the whole shaft needs to be replaced when the shaft is corroded, and the parts welded on the shaft are replaced together, and the hollow shaft and solid shaft are connected by inserting, which solves the problem that the whole shaft needs to be replaced when the local shaft is corroded, and the hollow shaft and solid shaft are connected by inserting, which is convenient for replacing the corroded hollow shaft or corroded solid shaft, and improves work efficiency and saves consumables.

[0005] In order to achieve the above purpose, the technical scheme of the utility model is as follows: a detachable shaft, the shaft includes a first hollow shaft, a first solid shaft and a second solid shaft fixed to the top end of the first solid shaft, the top end of the second solid shaft is inserted into the bottom end of the first hollow shaft, a through slot is formed in the bottom side wall of the first hollow shaft, and a sliding block matched with the through slot is arranged on the shaft body of the second solid shaft; the first hollow shaft and the second solid shaft are connected by inserting, which is convenient for disassembling and replacing the corroded shaft, and the sliding block and the through slot cooperate to limit the first hollow shaft and the first solid shaft and the second solid shaft.

[0006] The top end of the second solid shaft is inserted into the first hollow shaft, and there is a gap between the top end of the first solid shaft and the bottom end of the first hollow shaft, an arc block is clamped in the gap, a shell is fixedly connected to the outer surface of the arc block, and the upper part and the lower part of the inner surface of the shell are respectively attached to the outer surfaces of the first hollow shaft and the first solid shaft. The arc block is used to make the connection end of the first solid shaft and the first hollow shaft more firm.

[0007] In a further scheme, the through groove comprises a first through groove and a second through groove which are communicated with each other, the first through groove is in inverted L shape, a vertical part of the first through groove is communicated with the outside through the bottom of the first hollow shaft, a horizontal part of the first through groove is communicated with the second through groove, the second through groove is located below the horizontal part of the first through groove, the sliding block is slidingly arranged in the through groove, the inner surface of the arc-shaped block is attached to the outer surface of the second solid shaft, the bottom of the arc-shaped block is attached to the top of the second solid shaft, and the top of the arc-shaped block is attached to the bottom of the first hollow shaft, and the arc-shaped block is located at the middle part of the shell.

[0008] In a further scheme, the horizontal cross section of the sliding block is in fan shape.

[0009] In a further scheme, the sliding block is slidingly arranged in the second through groove, and a fixed block which is matched with the size of the first through groove is embedded in the first through groove. The fixed block is used for limiting the sliding block.

[0010] In a further scheme, the shell is in semi-ring column shape, there are two shells, the two shells are arranged on the outside of the connecting part of the first hollow shaft and the first solid shaft after being spliced, the upper inner surface of the shell is attached to the first hollow shaft, and the lower inner surface of the shell is attached to the first solid shaft. The shell is used for protecting the connecting part of the first hollow shaft and the first solid shaft.

[0011] In a further scheme, the outer side of the shell is fixedly connected with a fixed sheet, and the fixed sheet on one shell is fixedly connected with the fixed sheet on the other shell through a bolt.

[0012] A stirrer comprises a barrel, a motor and a detachable shaft, the barrel is provided with a cover at the top, the motor is fixed to the top of the cover, a coupling is fixedly connected to the bottom output end of the motor and penetrates through the cover, the detachable shaft is fixedly connected to the bottom of the coupling, and a hub is fixedly connected to the lower part of the first solid shaft, and a plurality of blades are fixedly connected to the outer surface of the hub.

[0013] In a further scheme, there are two hubs which are respectively located at the bottom of the first solid shaft and below the middle part of the first solid shaft.

[0014] In a further scheme, a plurality of keys are arranged on the outer surface of the bottom of the first solid shaft, the keys are matched with key grooves arranged on the inner surface of the hub, a jackscrew is arranged on the outer surface of the hub, and one end of the jackscrew is arranged on the outer surface of the first solid shaft.

[0015] In a further scheme, a plurality of vertical plates are arranged in the barrel, the vertical plates are arranged in ring shape, a plurality of longitudinal horizontal rods are fixed to one side of the vertical plates, and the other ends of the horizontal rods are fixed to the inner surface of the barrel.

[0016] Through the above technical scheme, the beneficial effects of the present application are as follows:

[0017] In use of the utility model, first hollow shaft and first solid shaft are connected by inserting, when the first hollow shaft or the first solid shaft corroded is replaced, it is convenient to disassemble and replace, and time is saved, the first hollow shaft is located at the top to improve the torque generated by the stirrer rotation, the second solid shaft is inserted into the first hollow shaft, and the sliding block on the second solid shaft cooperates with the through slot on the first hollow shaft to play a limiting role, the arc block increases the fastening between the first hollow shaft and the second solid shaft, the shell is used to protect the connection between the first hollow shaft and the first solid shaft, prevent the liquid with corrosion from splashing to the connection, and affect the stability of connection.

[0018] The first solid shaft is below the liquid in the barrel for stirring, the first solid shaft has certain corrosion resistance, and the service life is added, a plurality of hubs are arranged at the bottom of the first solid shaft to help uniform stirring and improve the reaction rate of substances in the liquid. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structure schematic view of the detachable shaft and the stirrer of the utility model.

[0020] Figure 2 It is the utility model Figure 1 It is a structure schematic view of the detachable shaft and the stirrer of the utility model.

[0021] Figure 3 It is a structure schematic view of the detachable shaft and the stirrer of the utility model.

[0022] Figure 4 It is an explosion structure schematic view of the detachable shaft and the stirrer of the utility model.

[0023] Figure 5 It is a structure schematic view of the hub and the blade of the utility model during installation.

[0024] The reference signs in the drawings are: 1-first hollow shaft, 2-first solid shaft, 21-second solid shaft, 22-sliding block, 23-fixed block, 24-key, 31-shell, 32-fixed sheet, 33-arc block, 4-hub, 41-blade, 42-set screw, 6-coupling, 7-motor, 8-cover, 9-barrel, 91-cross rod, 92-vertical plate. DETAILED DESCRIPTION

[0025] The utility model will be further described below in combination with the drawings and specific embodiments:

[0026] For example, Figures 1-5As shown, the embodiment provides a detachable shaft, which comprises a first hollow shaft 1, a first solid shaft 2 and a second solid shaft 21 fixed to the top end of the first solid shaft 2. Specifically, the second solid shaft 21 is an extension of the first solid shaft 2, and the top end of the second solid shaft 21 is inserted into the bottom end of the first hollow shaft 1. A through slot is formed in the sidewall of the bottom of the first hollow shaft 1, and the shaft body of the second solid shaft 21 is provided with a sliding block 22 matched with the through slot. Specifically, when the second solid shaft 21 is inserted into the first hollow shaft 1, the sliding block 22 moves along the through slot, and stops moving when it moves to the corresponding position of the through slot.

[0027] After the top end of the second solid shaft 21 is inserted into the first hollow shaft 1, there is a gap between the top end of the first solid shaft 2 and the bottom end of the first hollow shaft 1. An arc-shaped block 33 is clamped in the gap, and the outer surface of the arc-shaped block 33 is fixedly connected with a shell 31. The upper and lower parts of the inner surface of the shell 31 are respectively attached to the outer surfaces of the first hollow shaft 1 and the first solid shaft 2. The arc-shaped block 33 is embedded in the gap between the first hollow shaft 1 and the first solid shaft 2, and is used to fasten the first hollow shaft 1 and the first solid shaft 2.

[0028] The through slot comprises a first through slot and a second through slot which are connected with each other. The first through slot is in inverted L shape, and the vertical part of the first through slot penetrates through the bottom of the first hollow shaft 1 and communicates with the outside, and the horizontal part communicates with the second through slot. The second through slot is located below the horizontal part of the first through slot. The sliding block 22 is slidingly arranged in the through slot. Specifically, the sliding block 22 moves in the vertical part of the first through slot, then moves to the horizontal part of the first through slot, and then falls into the second through slot to stop moving, so as to realize the connection and limiting of the first hollow shaft 1 and the first solid shaft 2. The inner surface of the arc-shaped block 33 is attached to the outer surface of the second solid shaft 21. The bottom of the arc-shaped block 33 is attached to the top of the second solid shaft 21, and the top is attached to the bottom of the first hollow shaft 1. The arc-shaped block 33 is located at the middle position of the shell 31.

[0029] The horizontal cross section of the sliding block 22 is in the shape of a sector. The sliding block 22 is slidingly arranged in the second through slot, and a fixed block 23 matched with the size of the first through slot is embedded in the first through slot. Specifically, the fixed block 23 is in L shape, and is embedded in the first through slot during use. The fixed block 23 is used to prevent the sliding block 22 from moving upward.

[0030] The shell 31 is in the shape of a semi-cylindrical ring. There are two shells 31, which are arranged outside the connection part of the first hollow shaft 1 and the first solid shaft 2 after being spliced. The upper part of the inner surface of the shell 31 is attached to the first hollow shaft 1, and the lower part is attached to the first solid shaft 2. The shell 31 wraps the connection part of the first hollow shaft 1 and the first solid shaft 2, preventing liquid from splashing on the connection part of the first hollow shaft 1 and the first solid shaft 2, which can cause corrosion and affect the stability of the connection.

[0031] The outer side of the shell 31 is fixedly connected with a fixed sheet 32, specifically, the fixed sheet 32 is eight, two fixed sheets 32 are fixed on each side of each shell 31, and one fixed sheet 32 on one shell 31 is fixedly connected with the fixed sheet 32 on the other shell 31 through a bolt.

[0032] A stirrer, comprising a barrel 9, a motor 7 and a detachable shaft, the barrel 9 is provided with a cover 8 at the top, the motor 7 is fixed to the top of the cover 8, the output end of the motor 7 at the bottom penetrates through the cover 8 and is fixedly connected with a shaft coupling 6, the shaft coupling 6 at the bottom is fixedly connected with the detachable shaft, the lower part of the first solid shaft 2 is fixedly connected with a hub 4, and a plurality of blades 41 are fixedly connected to the outer surface of the hub 4. The hub 4 is two, which are respectively located at the bottom of the first solid shaft 2 and below the middle part of the first solid shaft 2. Specifically, four blades 41 are fixed on each hub 4 and are arranged in a ring shape.

[0033] A plurality of keys 24 are arranged on the outer surface of the bottom of the first solid shaft 2, the keys 24 are matched with key grooves arranged on the inner surface of the hub 4, a jackscrew 42 penetrates through the outer surface of the hub 4, and one end of the jackscrew 42 abuts against the outer surface of the first solid shaft 2. Specifically, the keys 24 on the top shaft body of the first solid shaft 2 are four and are arranged in a ring shape, the number of key grooves on the hub 4 is the same as that of the keys 24, the keys 24 are matched with the key grooves to limit the hub 4 to the shaft body of the first solid shaft 2, and one end of the through hole penetrated by the jackscrew 42 abuts against the groove arranged on the shaft body of the first solid shaft 2 to fix the hub 4 and the first solid shaft 2.

[0034] A plurality of vertical plates 92 are arranged in the barrel 9, and the plurality of vertical plates 92 are arranged in a ring shape. Specifically, the vertical plates 92 are two, a plurality of longitudinal cross rods 91 are fixed to one side of the vertical plate 92, specifically, the cross rods 91 are two groups, each group is three, and the other end of the cross rod 91 is fixed to the inner surface of the barrel 9. The main function of the vertical plate 92 is to form a vortex in the barrel 9 during stirring, so as to realize the mixing and reaction of the liquid.

[0035] The specific working mode of the utility model is as follows:

[0036] 1. The implementation process of disassembling the first solid shaft 2 is as follows:

[0037] First, the shell 31 is disassembled, then the fixed block 23 is taken out, the first solid shaft 2 is pushed upwards, the sliding block 22 on the second solid shaft 21 is moved upwards to disengage from the second groove, the first solid shaft 2 is rotated to the left, the sliding block 22 moves to the left along the horizontal part of the first groove, at this time, the first solid shaft 2 is pulled downwards, and thus the disassembly of the first solid shaft 2 is completed.

[0038] 2. The implementation process of disassembling the first hollow shaft 1 is as follows:

[0039] First hollow shaft 1 and the joint of the coupling 6 are disassembled, after disassembly, the first hollow shaft 1 and the first solid shaft 2 are disassembled.

[0040] 3. The implementation process of the hub 4 disassembly:

[0041] The top screw 42 on the hub 4 is removed, and then the hub 4 is taken out along the key 24 on the first solid shaft 2, and the connection mode of the key groove increases the stability of the hub 4 during the rotation of the mixer, and facilitates disassembly and replacement.

[0042] 4. The use of the mixer:

[0043] The staff starts the motor 7, the motor 7 drives the bottom shaft to rotate, the rotating shaft drives the hub 4 to rotate, the blades 41 on the hub 4 stir the liquid in the barrel 9, and cooperate with the vertical plate 92 on the inner surface of the barrel 9 to make the stirred liquid evenly mixed, so as to realize the mixing and reaction of the liquid.

[0044] The above-described embodiments are only preferred embodiments of the present application, and are not limited to the scope of the application, so equivalent changes or modifications made according to the structure, features and principles described in the patent range of the present application should be included in the patent range of the present application.

Claims

1. A detachable shaft characterized by, The shaft comprises a first hollow shaft (1), a first solid shaft (2) and a second solid shaft (21) fixed to the top end of the first solid shaft (2), the top end of the second solid shaft (21) is inserted into the bottom end of the first hollow shaft (1), a through slot is formed in the sidewall of the bottom of the first hollow shaft (1), and the shaft body of the second solid shaft (21) is provided with a sliding block (22) matched with the through slot; After the top end of the second solid shaft (21) is inserted into the first hollow shaft (1), there is a gap between the top end of the first solid shaft (2) and the bottom end of the first hollow shaft (1), an arc block (33) is clamped in the gap, and the outer surface of the arc block (33) is fixedly connected with a shell (31), and the upper portion and the lower portion of the inner surface of the shell (31) are respectively attached to the outer surfaces of the first hollow shaft (1) and the first solid shaft (2).

2. A detachable shaft according to claim 1, wherein The through slot comprises a first through slot and a second through slot which are communicated with each other, the first through slot is in inverted L shape, the vertical part of the first through slot penetrates through the bottom of the first hollow shaft (1) and communicates with the outside, and the horizontal part communicates with the second through slot, the second through slot is located below the horizontal part of the first through slot, the sliding block (22) is slidingly arranged in the through slot, the inner surface of the arc block (33) is attached to the outer surface of the second solid shaft (21), the bottom of the arc block (33) is attached to the top of the second solid shaft (21), the top of the arc block (33) is attached to the bottom of the first hollow shaft (1), and the arc block (33) is located at the middle position of the shell (31).

3. A detachable shaft according to claim 2, wherein The horizontal cross section of the sliding block (22) is in fan shape.

4. The detachable shaft according to claim 2, wherein The sliding block (22) is slidingly arranged in the second through slot, and the first through slot is embedded with a fixed block (23) matched with the size of the first through slot.

5. The detachable shaft of claim 1, wherein The shell (31) is in half ring column shape, there are two shells (31), and the two shells (31) are arranged on the outside of the connection between the first hollow shaft (1) and the first solid shaft (2) after being spliced, the upper portion of the inner surface of the shell (31) is attached to the first hollow shaft (1), and the lower portion of the inner surface of the shell (31) is attached to the first solid shaft (2).

6. A detachable shaft according to claim 5, wherein The outer side of the shell (31) is fixedly connected with a fixed sheet (32), and the fixed sheet (32) on one shell (31) is fixedly connected with the fixed sheet (32) on the other shell (31) through a bolt.

7. A whisk characterised in that, The stirrer comprises a barrel body (9), a motor (7) and the detachable shaft according to any one of claims 1-6, the top of the barrel body (9) is provided with a cover body (8), the motor (7) is fixed to the top of the cover body (8), the bottom output end of the motor (7) is fixedly connected with a shaft coupling (6) after penetrating through the cover body (8), the bottom of the shaft coupling (6) is fixedly connected with the detachable shaft, and the lower portion of the first solid shaft (2) is fixedly connected with a hub (4), and a plurality of blades (41) are fixedly connected to the outer surface of the hub (4).

8. A beater according to claim 7, wherein There are two hubs (4) which are respectively located at the bottom of the first solid shaft (2) and below the middle portion of the first solid shaft (2).

9. A beater according to claim 8, wherein The outer surface of the bottom of the first solid shaft (2) is provided with a plurality of keys (24) which are matched with the keyways formed in the inner surface of the wheel hub (4), the outer surface of the wheel hub (4) is provided with a jackscrew (42), one end of the jackscrew (42) abuts against the outer surface of the first solid shaft (2).

10. A beater according to claim 7, wherein The barrel body (9) is internally provided with a plurality of vertical plates (92), the plurality of vertical plates (92) are arranged in a ring shape, one side of the vertical plate (92) is fixedly provided with a plurality of longitudinally arranged cross rods (91), the other end of the cross rod (91) is fixed to the inner surface of the barrel body (9).

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