CN220800841U - Forward and reverse rotating cutter seat structure of stirrer - Google Patents

Abstract

The utility model relates to a forward and backward rotating cutter seat structure of a stirrer, which comprises: the tool apron shell, the mid-mounting of tool apron shell has the sleeve, pivot installation through-hole has been seted up at telescopic middle part, be equipped with first bearing and second bearing in the pivot installation through-hole, set up the third bearing between tool apron shell inside wall and the sleeve lateral wall inserts and establishes the tool apron pivot that passes first bearing, second bearing and sleeve top set up the first corotation blade at tool apron pivot top, first corotation blade is in around the forward rotation of tool apron pivot, sets up the reversal blade at sleeve top, reversal blade is around the reverse rotation of sleeve.

Description

Forward and reverse rotating cutter seat structure of stirrer

Technical Field

The utility model relates to the field of household appliances, in particular to a forward and reverse rotating cutter seat structure of a stirrer.

Background

The stirring machine is also called a food processor, and the working principle is that the blade at the bottom of the stirring cup rotates at a high speed, and food is repeatedly smashed under the action of water flow. The forward and reverse rotating cutter seat structure in the market at present generally comprises a gearbox structure, a forward-steering cutter blade and a reverse-steering cutter blade which are in transmission connection with the gearbox structure, and the structure of the integrated multi-group steering cutter seat structure combined with a speed change gear box is heavy. In addition, the structure of the forward and reverse rotating tool apron is more complex compared with the structure of the tool apron with single rotation, and the independent transmission structure is arranged for the blade sets with different rotation of the tool apron, so that the requirements on the concentricity and other performances of the blades with different groups are required in long-term high-strength stirring operation.

Disclosure of utility model

The utility model provides a forward and backward rotating cutter seat structure of a stirrer, which aims at solving at least one of the technical problems in the prior art.

The technical scheme of the utility model is a forward and backward rotating cutter seat structure of a stirrer, which comprises the following components: the tool apron shell, the mid-mounting of tool apron shell has the sleeve, pivot installation through-hole has been seted up at telescopic middle part, be equipped with first bearing and second bearing in the pivot installation through-hole, set up the third bearing between tool apron shell inside wall and the sleeve lateral wall inserts and establishes the tool apron pivot that passes first bearing, second bearing and sleeve top set up the first corotation blade at tool apron pivot top, first corotation blade is in around the forward rotation of tool apron pivot, sets up the reversal blade at sleeve top, reversal blade is around the reverse rotation of sleeve.

Further, the method further comprises the following steps: the device comprises a first sealing piece and a second sealing piece, wherein an upper mounting cavity and a lower mounting cavity which are distributed up and down are arranged between the inner side wall of a cutter holder shell and the outer side wall of a sleeve barrel of a third bearing separation cutter holder, the size of the first sealing piece is matched with that of the upper mounting cavity, and the size of the second sealing piece is matched with that of the lower mounting cavity.

Further, a plurality of first point contact surfaces are arranged on the side surface, in contact with the outer wall of the sleeve, of the first sealing element, and a plurality of second point contact surfaces are arranged on the side surface, in contact with the outer wall of the sleeve, of the second sealing element.

Further, the bottom of blade holder pivot is connected with the first connecting piece that is used for with the positive turning force of power unit transmission, the outer wall of first connecting piece is equipped with multichannel first connecting tooth, has the clearance between the adjacent first connecting tooth.

Further, the telescopic bottom is connected with the second connecting piece that is used for with the reverse turning force of power unit transmission, the second connecting piece inwards sunken is equipped with the spread groove, be equipped with multichannel second connection tooth on the inside wall of spread groove, have the clearance between the adjacent second connection tooth.

Further, the method further comprises the following steps: the second forward rotating blade is arranged on the rotating shaft of the tool apron above the first forward rotating blade, the tail end of the second forward rotating blade extends upwards, and the tail end of the first forward rotating blade extends downwards.

Further, the method further comprises the following steps: the inner diameter of the upper part of the installation through hole is slightly larger than that of the cutter holder rotating shaft, the third sealing piece is arranged in a third installation cavity between the first bearing and the upper part of the rotating shaft installation through hole, and a third point contact surface is arranged on the side surface of the third sealing piece, which is in contact with the outer wall of the cutter holder rotating shaft.

Further, the tip of the reverse blade extends downward, and the edge of the reverse blade is disposed opposite to the edge of the first forward blade.

The beneficial effects of the utility model include:

1. The structure of the forward and backward rotating cutter seat of the mixer enables the first bearing and the second bearing to be mutually matched so that the cutter seat rotating shaft is limited from two positions, the cutter seat rotating shaft can keep long-term rotation relative to the sleeve to keep better concentricity, and the service life of the cutter seat structure of the structure is longer relative to that of the rotating shaft structure of one bearing; in addition, the third bearing can play a role in stably limiting the rotation of the bearing sleeve in the cutter seat shell, so that the concentricity of the reversing operation of the reversing blade can be stable for a long time.

2. The sealing elements effectively block the liquid food from entering the structure of the forward and reverse rotating cutter seat of the stirrer through the set point contact surfaces, so that the sealing performance of the structure of the forward and reverse rotating cutter seat of the stirrer is considered while the rotating shaft works.

Further, additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

Fig. 1 is a schematic longitudinal section of a forward and reverse rotary cutter holder structure of a blender according to an embodiment of the present utility model.

Fig. 2 is an overall schematic view of a reversible cutter holder structure of a blender in accordance with an embodiment of the present utility model.

FIG. 3 is a detailed schematic view of a forward rotating blade structure assembly according to an embodiment of the present utility model.

Fig. 4 is a detailed schematic view of a counter-rotating blade structure assembly according to an embodiment of the present utility model.

Fig. 5 is a schematic longitudinal section view of a blender counter-rotating blade holder structure assembled with external components according to an embodiment of the present utility model.

Detailed Description

The conception, specific structure, and technical effects produced by the present utility model will be clearly and completely described below with reference to the embodiments and the drawings to fully understand the objects, aspects, and effects of the present utility model. It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

It should be noted that, unless otherwise specified, when a feature is referred to as being "fixed" or "connected" to another feature, it may be directly or indirectly fixed or connected to the other feature. Further, the descriptions of the upper, lower, left, right, top, bottom, etc. used in the present utility model are merely with respect to the mutual positional relationship of the respective constituent elements of the present utility model in the drawings.

Furthermore, unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used in the description presented herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any combination of one or more of the associated listed items.

It should be understood that although the terms first, second, third, etc. may be used in this disclosure to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element of the same type from another. For example, a first element could also be termed a second element, and, similarly, a second element could also be termed a first element, without departing from the scope of the present disclosure.

Referring to fig. 1-5, in some embodiments, the present utility model discloses a blender counter-rotating cutter seat structure, comprising:

Referring to fig. 1 and fig. 5, referring to the holder housing 10, the holder housing 10 is adapted to the stirring cup 100 for assembly, and a sealing ring is pressed between the surfaces of the holder housing 10 and the stirring cup 100, so that food in stirring operation can be effectively prevented from leaking from the connection position between the holder housing 10 and the stirring cup 100.

With continued reference to fig. 1 and fig. 4, the middle part of the tool holder housing 10 is provided with a sleeve 20, and with particular reference to fig. 1, the middle part of the tool holder housing 10 is provided with a mounting hole, the top of the sleeve 20 extends out of the mounting hole, the sleeve 20 is fixed on the tool holder housing 10 by matching with the reversing blade 53 through bolts, such a structure can rotate from one end limiting the sleeve 20 relative to the tool holder housing 10, and a third bearing 33 is arranged between the inner side wall of the tool holder housing 10 and the outer side wall of the sleeve 20, so that the third bearing 33 limits the sleeve 20 to rotate relative to the inner wall of the tool holder housing 10 from the position of the sleeve 20 at the other end, and the third bearing 33 can play a role of stably limiting the sleeve 20 to rotate in the tool holder housing 10, so that the concentricity of the reversing operation of the reversing blade 53 can be stable for a long time.

With continued reference to fig. 1, a shaft mounting through hole 21 is formed in the middle of the sleeve 20, a first bearing 31 and a second bearing 32 are disposed in the shaft mounting through hole 21, and a tool apron shaft 40 passing through the first bearing 31, the second bearing 32 and the top of the sleeve 20 is inserted. It can be seen that the first bearing 31 and the second bearing 32 cooperate to limit the tool holder spindle 40 from two positions, so that the tool holder spindle 40 can rotate for a long time relative to the sleeve 20 to maintain a better concentricity, and the tool holder structure has a longer service life than the spindle structure of one bearing.

With continued reference to fig. 1 in conjunction with fig. 3 and 4, a first forward rotating blade 51 is disposed on top of the holder spindle 40, the first forward rotating blade 51 rotating forward about the holder spindle 40. A reversing blade 53 disposed on top of the sleeve 20, the reversing blade 53 reversing rotation around the sleeve 20. Referring to fig. 5, the bottom end of the tool apron spindle 40 is in driving connection with the driving motor 200 to provide forward rotation power and reverse rotation power.

In order to increase the sealing performance of the blender counter-rotating cutter seat structure, the liquid food in the blending operation is prevented from entering the interior through the gap on the blender counter-rotating cutter seat structure, and the blender counter-rotating cutter seat structure further comprises a first sealing element 61 and a second sealing element 62 as shown in fig. 1. The above-mentioned sealing member is installed in the following positions: the third bearing 33 separates an upper mounting cavity and a lower mounting cavity which are distributed up and down between the inner side wall of the tool apron housing 10 and the outer side wall of the sleeve 20, the size of the first sealing member 61 is matched with that of the upper mounting cavity, and the size of the second sealing member 62 is matched with that of the lower mounting cavity. In the figure, the first sealing piece 61 and the second sealing piece 62 are arranged at the two positions at intervals, so that the fluid liquid of the forward and backward rotating cutter seat structure can be blocked by the upper sealing piece and the lower sealing piece, and the tightness of the forward and backward rotating cutter seat structure of the stirrer is effectively improved. Further, the side surface of the first sealing member 61, which contacts the outer wall of the sleeve 20, is provided with a plurality of first point contact surfaces 611, as shown in fig. 1, the inner side surface of the first sealing member 61 has two first point contact surfaces 611, and a gap is formed between the first point contact surfaces 611, so that when the tool apron rotating shaft 40 rotates, the plurality of elongated point contact surfaces can effectively achieve the effect that the multiple sealing rotating shaft is not easy to pass through liquid food through the two dense point contact surfaces under the condition that the rotating speed of the tool apron rotating shaft 40 is not affected. Likewise, the side of the second seal 62 contacting the outer wall of the sleeve 20 is provided with a plurality of second point contact surfaces 621. With continued reference to fig. 1, the inner side of the second seal 62 has two second point contact surfaces 621, and as such, the effect that multiple seal shafts are not easy to pass through liquid food is effectively achieved through two dense point contact surfaces, and the effect of sealing the forward and reverse rotating cutter holder structure of the mixer is achieved.

Referring to fig. 2, a first connecting member 71 for transmitting a forward rotation force with the power mechanism is connected to the bottom end of the tool apron rotating shaft 40, and a plurality of first connecting teeth 711 are provided on the outer wall of the first connecting member 71, and a gap is provided between adjacent first connecting teeth 711. Referring to fig. 5, the driving motor 200 is provided with connectors to the first connection teeth 711 and the gaps through the transmission wave box 300, so that the driving motor 200 can drive the tool apron spindle 40 to drive the first forward rotating blade 51.

With continued reference to fig. 2, a second connecting member 72 for transmitting a reverse rotational force to the power mechanism is connected to the bottom end of the sleeve 20, the second connecting member 72 is provided with a connecting groove 721 in an inward recess, a plurality of second connecting teeth 722 are provided on the inner side wall of the connecting groove 721, and gaps are provided between adjacent second connecting teeth 722. Referring to fig. 5, the driving motor 200 is provided with a connecting piece, a second connecting tooth 722 and a gap for snap connection through the transmission wave box 300, so that the driving motor 200 can drive the tool apron rotating shaft 40 to drive the reversing blade 53.

Referring to fig. 1, the structure further includes a second forward rotating blade 52, the second forward rotating blade 52 being disposed on the holder rotating shaft 40 correspondingly above the first forward rotating blade 51, and the end of the second forward rotating blade 52 extending upward. The tip of the first forward rotating blade 51 extends downward. The blades which rotate positively and reversely can stir food fully in a certain space of the blade holder.

With continued reference to fig. 1, further includes: the inner diameter of the upper part of the mounting through hole is slightly larger than that of the tool apron rotating shaft 40, the third sealing member 63 is arranged in a third mounting cavity between the first bearing 31 and the upper part of the rotating shaft mounting through hole 21, and a third point contact surface 631 is arranged on the side surface of the third sealing member 63, which is in contact with the outer wall of the tool apron rotating shaft 40. Likewise, the side of the third seal 63 contacting the outer wall of the sleeve 20 is provided with a third point contact surface 631. With continued reference to fig. 1, the inner side of the second seal 62 has a third point contact surface 631, and as such, the effect that multiple seal shafts are not easily passed through liquid food is effectively achieved by the point contact surface, and the effect of sealing the forward and reverse rotary cutter holder structure of the mixer is achieved.

In some embodiments, the tips of the counter-rotating blades 53 extend downwardly, and the edges of the counter-rotating blades 53 are positioned opposite the edges of the first counter-rotating blades 51 to allow the two sets of blades to adequately agitate the foodstuff.

The present utility model is not limited to the above embodiments, but can be modified, equivalent, improved, etc. by the same means to achieve the technical effects of the present utility model, which are included in the spirit and principle of the present disclosure. Are intended to fall within the scope of the present utility model. Various modifications and variations are possible in the technical solution and/or in the embodiments within the scope of the utility model.

Claims (8)

1. The utility model provides a mixer positive and negative rotation cutter seat structure which characterized in that includes:

The tool apron shell (10), a sleeve (20) is arranged in the middle of the tool apron shell (10), a rotating shaft installation through hole (21) is arranged in the middle of the sleeve (20), a first bearing (31) and a second bearing (32) are arranged in the rotating shaft installation through hole (21),

A third bearing (33) arranged between the inner side wall of the tool apron shell (10) and the outer side wall of the sleeve (20),

A tool apron rotating shaft (40) inserted through the top of the first bearing (31), the second bearing (32) and the sleeve (20),

A first forward rotating blade (51) arranged at the top of the tool apron rotating shaft (40), wherein the first forward rotating blade (51) rotates around the tool apron rotating shaft (40) in the forward direction,

And a reversing blade (53) arranged on the top of the sleeve (20), wherein the reversing blade (53) reversely rotates around the sleeve (20).

2. The blender counter-rotating cutter head structure of claim 1, further comprising:

a first seal (61) and a second seal (62),

The third bearing (33) separates an upper mounting cavity and a lower mounting cavity which are distributed up and down between the inner side wall of the tool apron shell (10) and the outer side wall of the sleeve (20),

Wherein the first seal (61) is sized to match the upper mounting cavity and the second seal (62) is sized to match the lower mounting cavity.

3. The structure of a forward and reverse rotating cutter seat of a stirrer according to claim 2, wherein,

The side surface of the first sealing element (61) contacted with the outer wall of the sleeve (20) is provided with a plurality of first point contact surfaces (611),

The side surface of the second sealing element (62) contacted with the outer wall of the sleeve (20) is provided with a plurality of second point contact surfaces (621).

4. The structure of a forward and reverse rotating cutter seat of a stirrer according to claim 1, wherein,

The bottom of blade holder pivot (40) is connected with first connecting piece (71) that are used for with power unit transmission forward direction turning force, the outer wall of first connecting piece (71) is equipped with multichannel first connecting tooth (711), has the clearance between adjacent first connecting tooth (711).

5. The structure of a forward and reverse rotating cutter seat of a stirrer according to claim 1, wherein,

The bottom of sleeve (20) is connected with second connecting piece (72) that are used for with power unit transmission reverse rotation power, second connecting piece (72) inwards sunken be equipped with spread groove (721), be equipped with multichannel second connection tooth (722) on the inside wall of spread groove (721), have the clearance between adjacent second connection tooth (722).

6. The blender counter-rotating cutter head structure of claim 1, further comprising:

A second forward rotating blade (52), wherein the second forward rotating blade (52) is arranged on the tool apron rotating shaft (40) above the first forward rotating blade (51), the tail end of the second forward rotating blade (52) extends upwards,

The tip of the first forward rotating blade (51) extends downward.

7. The blender counter-rotating cutter head structure of claim 1, further comprising:

A third seal (63),

The inner diameter of the upper part of the mounting through hole is slightly larger than the rotating shaft (40) of the tool apron,

The third sealing member (63) is arranged in a third mounting cavity between the first bearing (31) and the upper part of the rotating shaft mounting through hole (21),

The side surface of the third sealing piece (63) contacted with the outer wall of the cutter seat rotating shaft (40) is provided with a third point contact surface (631).

8. The structure of a forward and reverse rotating cutter seat of a stirrer according to claim 1, wherein,

The tip of the reverse rotation blade (53) extends downward, and the blade edge of the reverse rotation blade (53) is disposed opposite to the blade edge of the first forward rotation blade (51).