Protective structure for preventing tool bit from standing on rotating shaft

Abstract

The utility model discloses a protection structure for preventing a tool bit from standing on a rotating shaft, which comprises a stirring cup matched with a stirring machine body and a stirring structure connected with the stirring cup, the stirring cup is provided with a first end cover and a second end cover used for being connected with the stirring machine body, and the stirring structure is sequentially arranged on the first end cover and the second end cover in a penetrating mode. The stirring structure comprises a stirrer and a connecting end arranged at the end part of the stirrer, the connecting end is arranged on the first end cover and the second end cover, the second end cover is provided with a rotating shaft and a lock cap, the rotating shaft is connected with the connecting end, and the rotating shaft and the connecting end are provided with a jacking structure for preventing the stirrer from standing on the rotating shaft. Wherein the protection structure comprises an ejection column and a spring, the ejection column moves in a mounting hole through the spring, and the structure is ejected out when the stirring shaft is separated from the rotating shaft, so that the stirring shaft cannot stand on the rotating shaft, the safety is greatly improved, and the safety and the reliability are higher.

Description

Technical Field

[0001] The utility model relates to the technical field of electric stirring appliances, in particular to a protective structure for preventing a cutter head from standing on a rotating shaft. Background Art

[0002] Currently, the wall-breaking, all-nutrient blenders on the market consist of a cup and a base. The blender's built-in motor connects to the mixing mechanism. During operation, the motor in the blender's body drives the blades inside the cup at high speeds via a rotating shaft. After blending, the cup and base can be separated. However, during this separation process, the blender must not rest on the rotating shaft to prevent the blades from injuring anyone. Traditional blenders lack protective structures to prevent the blades from resting on the shaft during this separation process, posing a significant safety hazard and insufficient reliability. Utility Model Content

[0003] In order to overcome the deficiencies of the existing technical solutions, the present invention provides a protective structure for preventing a cutter head from standing on a rotating shaft, which can effectively solve the problems raised by the background technology.

[0004] The technical solution adopted by the utility model to solve its technical problems is:

[0005] A protective structure for preventing a blade from standing on a rotating shaft, comprising a blending cup matched with a blending body and a stirring structure connected to the blending cup, the blending cup being provided with a first end cap and a second end cap for connecting to the blending body, the stirring structure being sequentially passed through the first end cap and the second end cap, the stirring structure comprising a blender and a connecting end provided at an end of the blender, the connecting end being provided on the first end cap and the second end cap, the second end cap being provided with a rotating shaft and a locking cap, the rotating shaft being connected to the connecting end, the rotating shaft and the connecting end being provided with a lifting structure to prevent the blender from standing on the rotating shaft;

[0006] The connecting end includes a plug column and a protrusion provided at the end of the plug column, the protrusion is connected to the lifting structure, and the lifting structure includes a spring that supports and sleeves on the lifting column, wherein the protrusion is provided with a mounting hole, and the lifting column is provided in the mounting hole, and there is a movable gap between the lifting column and the mounting hole, and the lifting column moves along the axial direction of the protrusion through the spring, and the protrusion contacts the lock cap through the spring.

[0007] As a further description of the above technical solution, the agitator includes a hollow agitating shaft, a slot is provided at one end of the agitating shaft close to the connection end, the plug is provided in the slot, a sealing ring is provided at the connection between the plug and the slot, and a blade is also provided on the agitating shaft, and the blade is symmetrically arranged on the agitating shaft.

[0008] As a further description of the above technical solution, the first end cover is detachably connected to the second end cover, the second end cover is formed with a mounting portion, the mounting portion is provided with a bayonet for connecting the rotating shaft, the first end cover is detachably connected to the stirring cup, the mounting portion is also provided with a through hole, and the through hole is coaxially arranged with the mounting hole.

[0009] As a further description of the above technical solution, the protrusion is integrally formed with the plug column, and the outer edge of the protrusion is formed with an arc-shaped convex edge, wherein the lock cap is trumpet-shaped, and a card slot is provided inside the lock cap, and the convex edge of the protrusion is embedded in the card slot.

[0010] As a further description of the above technical solution, a first retaining ring is provided at one end of the top column, and a second retaining ring is provided at the other end of the top column. The first retaining ring is integrally formed with the top column, and the second retaining ring is integrally formed with the top column.

[0011] As a further description of the above technical solution, the diameter of the mounting hole is larger than the diameter of the through hole.

[0012] As a further description of the above technical solution, the diameter of the first retaining ring is not less than the diameter of the second retaining ring.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] The protective structure of the utility model for preventing a cutter head from standing on a rotating shaft has at least one of the following beneficial effects during use:

[0015] The protective structure is arranged on the connecting end of the stirring shaft. During use, the stirring shaft is connected to the rotating shaft, wherein the connecting end is arranged on the locking cap, the locking cap is connected to the rotating shaft, and the locking cap is clamped on the protrusion of the stirring shaft. The protective structure includes a top column and a spring. The top column moves in the mounting hole through the spring. The structure is ejected when the stirring shaft is separated from the rotating shaft, so that the stirring shaft cannot stand on the rotating shaft, thereby greatly improving safety and being safer and more reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of a first assembly structure of a protective structure for preventing a cutter head from standing on a rotating shaft according to the present invention;

[0017] Figure 2 This is a schematic diagram of a second assembly structure of a protective structure for preventing a cutter head from standing on a rotating shaft according to the present invention;

[0018] Figure 3 This is a schematic diagram of a first explosion structure of a protective structure for preventing a cutter head from standing on a rotating shaft according to the present invention;

[0019] Figure 4This is a schematic diagram of a second explosion structure of a protective structure for preventing a cutter head from standing on a rotating shaft according to the present invention;

[0020] Figure 5 This is a partial structural diagram of a protective structure for preventing a cutter head from standing on a rotating shaft according to the present invention.

[0021] Numbers in the figure:

[0022] 1. Mixing cup; 2. Mixing structure; 201. Mixer; 202. Lifting structure; 203. Connecting end; 204. Mixing shaft; 205. Push column; 206. Spring; 207. Boss; 208. Insert column; 209. Blade; 210. First retaining ring; 211. Second retaining ring; 3. First end cover; 301. Rotating shaft; 302. Locking cap; 303. Mounting part; 4. Second end cover. DETAILED DESCRIPTION

[0023] 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.

[0024] like Figure 1-5 As shown, the utility model provides a protective structure for preventing the blade from standing on the rotating shaft 301, including a blending cup 1 that cooperates with the blending body and a blending structure 2 connected to the blending cup 1, the blending cup 1 is provided with a first end cover 3 and a second end cover 4 for connecting to the blending body, the blending structure 2 is sequentially passed through the first end cover 3 and the second end cover 4, the blending structure 2 includes an agitator 201 and a connecting end 203 provided at the end of the agitator 201, the connecting end 203 is provided on the first end cover 3 and the second end cover 4, the second end cover 4 is provided with a rotating shaft 301 and a locking cap 302, the rotating shaft 301 is connected to the connecting end 203, and the rotating shaft 301 and the connecting end 203 are provided with a lifting structure 202 that prevents the agitator 201 from standing on the rotating shaft 301.

[0025] The connecting end 203 includes a plug post 208 and a protrusion 207 provided at the end of the plug post 208, the protrusion 207 is connected to the lifting structure 202, and the lifting structure 202 includes a spring 206 that supports and is sleeved on the top column 205, wherein the protrusion 207 is provided with a mounting hole, and the top column 205 is provided in the mounting hole, and there is a movable gap between the top column 205 and the mounting hole, and the top column 205 is moved along the axial direction of the protrusion 207 by the spring 206, and the protrusion 207 contacts the lock cap 302 through the spring 206.

[0026] It is further explained that the agitator 201 includes a hollow agitating shaft 204, and a slot is provided at one end of the agitating shaft 204 close to the connecting end 203. The plug 208 is provided in the slot, and a sealing ring is provided at the connection between the plug 208 and the slot. The agitating shaft 204 is also provided with a blade 209, and the blade 209 is symmetrically arranged on the agitating shaft 204.

[0027] It is further explained that the first end cover 3 is detachably connected to the second end cover 4, the second end cover 4 is formed with a mounting portion 303, the mounting portion 303 is provided with a bayonet for connecting the rotating shaft 301, the first end cover 3 is detachably connected to the stirring cup 1, and the mounting portion 303 is also provided with a through hole, which is coaxially arranged with the mounting hole.

[0028] It is further explained that the protrusion 207 and the plug 208 are integrally formed, and the outer edge of the protrusion 207 is formed with an arc-shaped convex edge, wherein the locking cap 302 is trumpet-shaped, and a card slot is provided inside the locking cap 302, and the convex edge of the protrusion 207 is embedded in the card slot.

[0029] It is further explained that a first retaining ring 210 is provided at one end of the top column 205 and a second retaining ring 211 is provided at the other end of the top column 205 . The first retaining ring 210 and the top column 205 are integrally formed, and the second retaining ring 211 and the top column 205 are integrally formed.

[0030] It is further explained that the diameter of the mounting hole is larger than the diameter of the through hole.

[0031] It is further explained that the diameter of the first retaining ring 210 is not less than the diameter of the second retaining ring 211 .

[0032] To sum up, the protective structure in this embodiment is arranged on the connecting end 203 of the stirring shaft 204. During use, the stirring shaft 204 is connected to the rotating shaft 301, wherein the connecting end 203 is arranged on the locking cap 302, and the locking cap 302 is connected to the rotating shaft 301. The locking cap 302 is clamped on the protrusion 207 of the stirring shaft 204, wherein the protective structure includes a top column 205 and a spring 206. The top column 205 moves in the mounting hole through the spring 206. This structure is ejected when the stirring shaft 204 is separated from the rotating shaft 301, so that the stirring shaft 204 cannot stand on the rotating shaft 301, thereby greatly improving safety and being safer and more reliable.

[0033] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A protective structure for preventing a blade from standing on a rotating shaft, comprising a blending cup matched with a blending body and a blending structure connected to the blending cup, characterized in that: The blending cup is provided with a first end cover and a second end cover for connecting to the blending body, the blending structure is sequentially provided on the first end cover and the second end cover, the blending structure includes a blender and a connecting end provided at the end of the blender, the connecting end is provided on the first end cover and the second end cover, the second end cover is provided with a rotating shaft and a locking cap, the rotating shaft is connected to the connecting end, and the rotating shaft and the connecting end are provided with a lifting structure to prevent the blender from standing on the rotating shaft; The connecting end includes a plug column and a protrusion provided at the end of the plug column, the protrusion is connected to the lifting structure, and the lifting structure includes a spring that supports and sleeves on the lifting column, wherein the protrusion is provided with a mounting hole, and the lifting column is provided in the mounting hole, and there is a movable gap between the lifting column and the mounting hole, and the lifting column moves along the axial direction of the protrusion through the spring, and the protrusion contacts the lock cap through the spring.

2. The protective structure for preventing a cutter head from standing on a rotating shaft according to claim 1, characterized in that: The stirrer includes a hollow stirring shaft, a slot is provided at one end of the stirring shaft close to the connection end, the plug is provided in the slot, a sealing ring is provided at the connection between the plug and the slot, and a blade is also provided on the stirring shaft, and the blade is symmetrically arranged on the stirring shaft.

3. The protective structure for preventing a cutter head from standing on a rotating shaft according to claim 1, characterized in that: The first end cover is detachably connected to the second end cover, the second end cover is formed with a mounting portion, the mounting portion is provided with a bayonet for connecting the rotating shaft, the first end cover is detachably connected to the stirring cup, the mounting portion is also provided with a through hole, and the through hole is coaxially arranged with the mounting hole.

4. The protective structure for preventing a cutter head from standing on a rotating shaft according to claim 1, characterized in that: The convex head and the plug column are formed as one piece, and the outer edge of the convex head is formed with an arc-shaped convex edge, wherein the lock cap is trumpet-shaped, and a card slot is provided inside the lock cap, and the convex edge of the convex head is embedded in the card slot.

5. The protective structure for preventing a cutter head from standing on a rotating shaft according to claim 1, characterized in that: A first retaining ring is provided at one end of the top column, and a second retaining ring is provided at the other end of the top column. The first retaining ring is integrally formed with the top column, and the second retaining ring is integrally formed with the top column.

6. The protective structure for preventing a cutter head from standing on a rotating shaft according to claim 3, characterized in that: The diameter of the mounting hole is larger than the diameter of the through hole.

7. The protective structure for preventing a cutter head from standing on a rotating shaft according to claim 5, characterized in that: The diameter of the first retaining ring is not less than the diameter of the second retaining ring.

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