阅读说明：本技术 一种使用安全的搅拌器 (Stirrer safe to use ) 是由 李一峰 关树开 于 2021-01-15 设计创作，主要内容包括：本发明公开一种使用安全的搅拌器,包括主机、杯盖及搅拌杯；主机包括电机和与电机的传动轴传动相连的第一联轴器；杯盖包括杯盖本体、固定在杯盖本体上的盖壳、穿过杯盖本体设置的刀轴、固定在刀轴上末端的第二联轴器以及固定在刀轴下末端的搅拌刀；在杯盖内设有安全机构,安全机构包括挡环、第一弹性件和至少一个联动组件；挡环套设在刀轴上末端,挡环的下末端设有挡杆,第一弹性件设在挡环与杯盖本体之间；联动组件活动设置在杯盖本体上并与搅拌杯联动设置,在杯盖与搅拌杯未安装到位时联动组件阻止主机和杯盖之间的安装,当主机与杯盖安装到位时挡杆与联动组件限位相连以使杯盖与搅拌杯锁合。本发明结构可靠且使用安全。(The invention discloses a stirrer safe to use, which comprises a host, a cup cover and a stirring cup; the main machine comprises a motor and a first coupler in transmission connection with a transmission shaft of the motor; the cup cover comprises a cup cover body, a cover shell fixed on the cup cover body, a cutter shaft arranged through the cup cover body, a second coupler fixed at the upper tail end of the cutter shaft and a stirring knife fixed at the lower tail end of the cutter shaft; a safety mechanism is arranged in the cup cover and comprises a baffle ring, a first elastic piece and at least one linkage assembly; the baffle ring is sleeved at the upper tail end of the cutter shaft, the lower tail end of the baffle ring is provided with a baffle rod, and the first elastic piece is arranged between the baffle ring and the cup cover body; the linkage assembly is movably arranged on the cup cover body and is in linkage with the stirring cup, the linkage assembly prevents the host and the cup cover from being installed when the cup cover and the stirring cup are not installed in place, and the stop lever is connected with the linkage assembly in a limiting mode when the host and the cup cover are installed in place so that the cup cover and the stirring cup are locked. The invention has reliable structure and safe use.)

1. A stirrer safe to use comprises a host, a cup cover and a stirring cup; the main machine comprises a motor and a first coupler in transmission connection with a transmission shaft of the motor; the cup cover comprises a cup cover body, a cover shell fixed on the cup cover body, a cutter shaft arranged through the cup cover body, a second coupler fixed at the upper tail end of the cutter shaft and a stirring knife fixed at the lower tail end of the cutter shaft; the method is characterized in that:

a safety mechanism is arranged in the cup cover and comprises a baffle ring, a first elastic piece and at least one linkage assembly; the baffle ring is sleeved at the upper tail end of the cutter shaft, the lower tail end of the baffle ring is provided with a baffle rod, and the first elastic piece is arranged between the baffle ring and the cup cover body; the linkage assembly is movably arranged on the cup cover body and is in linkage with the stirring cup, the linkage assembly prevents the host and the cup cover from being installed when the cup cover and the stirring cup are not installed in place, and the stop lever is connected with the linkage assembly in a limiting mode when the host and the cup cover are installed in place so that the cup cover and the stirring cup are locked.

2. A mixer as claimed in claim 1, which is safe in use, wherein: the linkage assembly comprises a trigger rod and a second elastic piece, wherein one end of the trigger rod is provided with a through insertion hole, and the other end of the trigger rod is provided with a trigger end part exposed out of the cup cover; the second elastic piece is arranged between the cup cover and the trigger rod to enable the trigger end part to be in linkage with the stirring cup, the through insertion hole is aligned with the stop lever only after the cup cover and the stirring cup are installed in place so that the main machine can be installed in place with the cup cover, and the stop lever is inserted into the through insertion hole when the main machine and the cup cover are installed in place so that the cup cover and the stirring cup are locked.

3. A mixer as claimed in claim 2, which is safe in use, wherein: a through groove is formed between the two ends of the trigger rod, a guide post is arranged on the cup cover body in a protruding mode, and the guide post penetrates through the through groove of the trigger rod.

4. A mixer as claimed in claim 3, which is safe in use, wherein: one end of the second elastic piece is abutted against the guide post, and the other end of the second elastic piece is abutted against the triggering end part.

5. A mixer as claimed in claim 1, which is safe in use, wherein: the first elastic piece abuts against the inside of the retaining ring and applies upward elastic force to the retaining ring, and the level of the top end of the retaining ring is higher than that of the lower end of the second coupling when the host is not installed on the cup cover.

6. A mixer as claimed in claim 1, which is safe in use, wherein: the quantity of linkage subassembly is a plurality of, and a plurality of linkage subassemblies are evenly spaced apart and are set up around the arbor distribution.

7. A mixer as claimed in claim 1, which is safe in use, wherein: the cover shell comprises an outer shell body, an installation cavity positioned at the upper tail end of the outer shell body and a guide cylinder positioned below the installation cavity, and the baffle ring is arranged in the guide cylinder.

8. A mixer as claimed in claim 7, which is safe in use, wherein: the lower end of the baffle ring is provided with a limit buckle.

9. A mixer as claimed in any of claims 1 to 8, wherein: the inner side wall of the stirring cup is provided with a leading-in groove with a notch at the upper part, a buckling groove with a notch at the upper part and a buckling part arranged between the leading-in groove and the buckling groove, and the wall thickness of the buckling groove is greater than that of the leading-in groove.

10. A mixer as claimed in claim 9, which is safe in use, wherein: the outer side surface of the trigger end part is arc-shaped, and the two side surfaces of the buckling part facing the leading-in groove and the buckling groove are both arc-shaped.

Technical Field

The invention relates to household food processing equipment, in particular to a stirrer safe to use.

Background

This section merely provides background information related to the present application so as to enable those skilled in the art to more fully and accurately understand the present application, which is not necessarily prior art.

The agitator mixes food stirring and stirs the bits of broken glass, can satisfy consumer's diversified food processing demand, especially can satisfy baby and old person's complementary food stirring demand to obtain user's extensive liking.

The existing stirrer generally comprises a host, a cup cover and a stirring cup, wherein the cup cover is usually detachably arranged on the host, the cup cover is provided with a knife group for stirring and crushing food, and the host is provided with a motor for driving the knife group. The knife tackle on the cup cover realizes the stirring and crushing of the material object through the high-speed rotation of the motor drive of the main machine. The stirrer needs to place food in a stirring cup, cover the cup cover, assemble a host machine, and start the host machine to smash the food. However, when the user uses the stirring cup, the cup cover can be directly installed on the host machine without installing the cup cover on the stirring cup, so that the cutter set can be exposed, and when the host machine is started to drive the cutter to rotate, the rotary cutter is exposed, so that potential safety hazards of accidentally injuring the user exist.

To this end, safety mechanisms have been added to the mixer to eliminate the safety hazards described above. For example, the chinese patent application CN2019113044087 of the applicant's prior application discloses a safety mixer, the safety mechanism includes a safety bolt, the safety bolt rotates to switch between a limit position and a non-limit position, so that the limit arm limits or separates from the limit position to the stop part, the safety bolt rotates by the acting force generated by the buckling block to the pushing arm, and the reset is by the elastic part of the safety bolt itself. After the safety plug structure is used for a period of time, the safety plug structure is easy to deform, so that rotation is blocked, even failure can be caused, and the durability of the whole structure is poor.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. To this end, the invention proposes a stirrer which is safe in use.

The invention provides a stirrer safe to use, which comprises a host, a cup cover and a stirring cup; the main machine comprises a motor and a first coupler in transmission connection with a transmission shaft of the motor; the cup cover comprises a cup cover body, a cover shell fixed on the cup cover body, a cutter shaft arranged through the cup cover body, a second coupler fixed at the upper tail end of the cutter shaft and a stirring knife fixed at the lower tail end of the cutter shaft; a safety mechanism is arranged in the cup cover and comprises a baffle ring, a first elastic piece and at least one linkage assembly; the baffle ring is sleeved at the upper tail end of the cutter shaft, the lower tail end of the baffle ring is provided with a baffle rod, and the first elastic piece is arranged between the baffle ring and the cup cover body; the linkage assembly is movably arranged on the cup cover body and is in linkage with the stirring cup, the linkage assembly prevents the host and the cup cover from being installed when the cup cover and the stirring cup are not installed in place, and the stop lever is connected with the linkage assembly in a limiting mode when the host and the cup cover are installed in place so that the cup cover and the stirring cup are locked.

In a preferred embodiment, the linkage assembly comprises a trigger rod and a second elastic piece, wherein one end of the trigger rod is provided with a through hole, and the other end of the trigger rod is provided with a trigger end part exposed out of the cup cover; the second elastic piece is arranged between the cup cover and the trigger rod to enable the trigger end part to be in linkage with the stirring cup, the through insertion hole is aligned with the stop lever only after the cup cover and the stirring cup are installed in place so that the main machine can be installed in place with the cup cover, and the stop lever is inserted into the through insertion hole when the main machine and the cup cover are installed in place so that the cup cover and the stirring cup are locked.

In a preferred embodiment, a through groove is formed between two ends of the trigger rod, a guide post is convexly arranged on the cup cover body, and the guide post penetrates through the through groove of the trigger rod.

In a preferred embodiment, one end of the second elastic member abuts against the guide post, and the other end abuts against the trigger end.

In a preferred embodiment, the first elastic member abuts against the inside of the stopper ring and applies an upward elastic force to the stopper ring, and a level of a top end of the stopper ring is higher than a level of a lower end of the second coupling when the main unit is not mounted on the cup lid.

In a preferred embodiment, the linkage assembly is provided in a plurality, and the linkage assemblies are uniformly distributed around the cutter shaft at intervals.

In a preferred embodiment, the cover case includes an outer case, a mounting chamber at an upper end of the outer case, and a guide cylinder below the mounting chamber, and the retainer ring is provided in the guide cylinder.

In a preferred embodiment, a limit buckle is arranged at the lower end of the baffle ring.

In a preferred embodiment, the inner side wall of the stirring cup is provided with an introduction groove with a notch at the upper part, a buckling groove with a notch at the upper part and a buckling part arranged between the introduction groove and the buckling groove, and the wall thickness of the buckling groove is larger than that of the introduction groove.

In a preferred embodiment, the outer side surface of the trigger end is arc-shaped, and the two side surfaces of the buckling part facing the leading-in groove and the buckling groove are arc-shaped.

Compared with the prior art, the invention has the following beneficial effects:

according to the invention, the safety mechanism is skillfully arranged in the cup cover, the linkage assembly prevents the installation between the host and the cup cover when the cup cover and the stirring cup are not installed in place, the host is prevented from being installed on the cup cover before the cup cover is installed on the stirring cup when the stirrer is assembled, and the cup cover is prevented from being taken down from the stirring cup before the host is not taken down when the stirrer is disassembled, so that the first coupling and the second coupling cannot be meshed and connected when the cup cover is not installed in place with the stirring cup, a transmission connection structure cannot be formed between the cup cover and the host, and thus potential safety hazards caused by the rotation of the exposed stirring knife are avoided, and the use safety performance is improved. In addition, compared with the prior art, the safety mechanism adopted by the invention adopts two elastic pieces to respectively cooperate with the stop ring and the trigger rod to work, so that the overall structure is simple, the realization cost is low, and the reliability of the overall structure is extremely high.

Drawings

Fig. 1 is a schematic perspective view of a stirrer.

Fig. 2 is an exploded view of the stirrer.

Fig. 3 is a schematic view of the internal structure of the agitator.

Fig. 4 is a schematic view of the inner structure of the cup cover.

Fig. 5 is a schematic structural view of the stirring cup.

FIG. 6 is a schematic perspective view of the upper housing with the lid mounted on the blender cup without the lid.

FIG. 7 is a schematic view of the internal structure of the cup cover mounted on the blender cup.

Fig. 8 is a schematic cross-sectional view a-a of fig. 3.

Detailed Description

To further clarify the technical solutions and effects adopted by the present application to achieve the intended purpose, the following detailed description is given with reference to the accompanying drawings and preferred embodiments according to the present application. In the following description, different "one embodiment" or "an embodiment" refers to not necessarily the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

As shown in fig. 1-8, the stirrer comprises a main machine 1, a cup cover 2 and a stirring cup 3; the main machine 1 comprises a motor 11 and a first coupler 12 which is in transmission connection with a transmission shaft of the motor 11; the cup cover 2 comprises a cup cover body 20, a cover shell 21 fixed on the cup cover body 1, a cutter shaft 28 penetrating through the cup cover body 20, a second coupler 27 fixed at the upper tail end of the cutter shaft 28 and a stirring knife 29 fixed at the lower tail end of the cutter shaft 28; the safety mechanism is arranged in the cup cover 2, when the cup cover 2 is not installed in place with the stirring cup 3, the first coupler 12 and the second coupler 27 cannot be meshed and connected, so that a transmission connection structure cannot be formed between the cup cover 2 and the host 1, potential safety hazards caused by rotation of the stirring knife 29 due to exposure are avoided, and the use safety performance is improved.

Wherein, the safety mechanism comprises a baffle ring 22, a first elastic piece 23 and at least one linkage component; the baffle ring 22 is sleeved at the upper tail end of the cutter shaft 28, the lower tail end of the baffle ring 22 is provided with a baffle rod 221, and the first elastic piece 23 is arranged between the baffle ring 22 and the cup cover body 20 so that the baffle ring 22 can move up and down along the central axis of the cutter shaft 28; the linkage assembly is movably arranged on the cup cover body 20 and is in linkage arrangement with the stirring cup 3, the host 1 and the cup cover 2 can be installed in place only after the cup cover 2 and the stirring cup 3 are installed in place, and the stop lever 221 is connected with the linkage assembly in a limiting mode when the host 1 and the cup cover 2 are installed in place so that the cup cover 2 and the stirring cup 3 are locked.

Specifically, the linkage assembly comprises a trigger rod 24 and a second elastic piece 25, wherein one end of the trigger rod 24 is provided with a through hole 241, and the other end is provided with a trigger end part 242 exposed out of the cup cover 2; the second elastic element 25 is arranged between the cup cover 2 and the trigger rod 24 to enable the trigger end 242 and the stirring cup 3 to be arranged in a linkage manner, the through hole 241 is aligned with the stop rod 221 only after the cup cover 2 and the stirring cup 3 are installed in place, so that the main machine 1 and the cup cover 2 can be installed in place, and the stop rod 221 is inserted into the through hole 241 when the main machine 1 and the cup cover 2 are installed in place so that the cup cover 2 and the stirring cup 3 are locked.

When the cup cover 2 and the stirring cup 3 are not installed in place, that is, the cup cover 2 is arranged alone as shown in fig. 4, or the cup cover 2 is installed on the stirring cup 3 but not installed in place, the second elastic member 25 generates an external pushing force on the trigger rod 24 toward the trigger end 242, so that the through hole 241 and the blocking rod 221 are arranged in a staggered manner, so that the blocking rod 221 cannot be inserted into the through hole 241, and the main unit 1 cannot be installed in place with the cup cover 2, so that the first coupling 12 cannot be connected with the second coupling 27 in an engaged manner. In addition, when the main unit 1 and the cup cover 2 are installed in place, the stop lever 221 is inserted into the through hole 241, so that the trigger lever 24 is fixed and cannot move, the effect of locking the cup cover 2 and the stirring cup 3 is achieved, the cup cover 2 cannot be taken down from the stirring cup 3, the situation that the cup cover 2 is taken down from the stirring cup 3 when the main unit 1 is not taken down is avoided, the potential safety hazard caused by the fact that the stirring knife 29 is exposed and rotates is avoided, and the purpose of improving use safety is achieved.

Wherein, the quantity of linkage assembly is a plurality of (generally 2 or 3 is suitable), and a plurality of linkage assemblies evenly interval sets up around arbor 28 distribution. Through evenly spaced a plurality of linkage subassemblies that set up, be favorable to improving safety mechanism's reliability.

Be equipped with logical groove between the both ends of trigger bar 24, be equipped with guide post 201 at the bowl cover body 20 epirelief, guide post 201 passes the logical groove setting of trigger bar 24, provides the direction to 24 object bowl cover bodies 20 activities of trigger bar through leading to the groove and the cooperation of guide post 201, improves the reliability of linkage subassembly, leads to the groove simultaneously and also provides the space for assembling second elastic component 25 with guide post 201. Specifically, the second elastic member 25 is a spring, the second elastic member 25 is disposed in the through slot, one end of the second elastic member 25 abuts on the guide post 201, the other end abuts on the trigger end 242, and the second elastic member 25 provides a resilient force to the trigger rod 24 to reset the trigger rod 24: when the cup cover 2 and the stirring cup 3 are not installed in place, the trigger rod 24 is in an original position, the trigger rod 24 is subjected to the elastic force of the second elastic piece 25 pushing outwards the cup cover 2, so that the insertion hole 241 and the blocking rod 221 of the blocking ring 22 are dislocated, the trigger rod 24 blocks the blocking ring 22 to prevent the blocking ring from being pressed downwards, and the host 1 and the cup cover 2 cannot be installed in place.

The cover shell 21 comprises an outer shell 211, an installation cavity 210 located at the upper tail end of the outer shell 211 and a guide cylinder 212 located below the installation cavity 210, the baffle ring 22 is arranged in the guide cylinder 212, the guide cylinder 212 guides the baffle ring 22 to move up and down, clamping stagnation of the baffle ring 22 during up-and-down movement is avoided, and reliability of a safety mechanism is further improved.

The first elastic member 23 is a spring, and the first elastic member 23 provides an upward resilient force to the retainer 22 to restore the retainer 22. The first elastic element 23 abuts against the inside of the baffle ring 22 and applies upward elastic force to the baffle ring 22, and when the main unit 1 is not mounted on the cup cover 2, the horizontal height of the top end of the baffle ring 22 is higher than the horizontal height of the lower end of the second coupling 27, so that the main unit 1 cannot be mounted on the cup cover 2 at this time.

The lower end of the retainer ring 22 is provided with a limit buckle 222, so that when the retainer ring 22 moves upwards to the reset position under the action of the first elastic element 23, the lower end of the guide cylinder 212 is hooked by the limit buckle 222, so as to ensure that the first elastic element 23 can be always abutted between the retainer ring 22 and the cup lid body 20, and the reliability of the safety mechanism is improved.

Wherein, the inner side of the outer shell 211 is provided with an assembling groove 213, and the lower end of the main machine 1 is provided with a buckling part 13. When the main body 1 and the cup cover 2 are installed in place, the buckling part 13 is buckled in the assembling groove 213, the first coupling 12 is meshed with the second coupling 23, and the motor 11 can drive the stirring blade 22 to rotate in the stirring cup 3 to process food.

The inner side wall of the stirring cup 3 is provided with an introduction groove 31 with a notch at the upper part, a buckling groove 32 with a notch at the upper part and a buckling part 33 arranged between the introduction groove 31 and the buckling groove 32, and the wall thickness of the buckling groove 32 is larger than that of the introduction groove 31. When the cup cover 2 is mounted on the stirring cup 3, the triggering end 242 of the triggering rod 24 is aligned with the gap above the leading-in groove 31 and pressed into the leading-in groove 31, the cup cover 2 is rotated properly, the triggering end 242 abuts against the buckling part 33, so that the second elastic piece 25 is further compressed, the triggering end 242 can cross the buckling part 33 and then enters the buckling groove 32, the second elastic piece 25 generates restoring elastic force, the triggering end 242 is limited in the buckling groove 32, and the cup cover 2 and the stirring cup 3 are mounted in place at the moment.

The outer side surface of the trigger end 242 is arc-shaped, and both side surfaces of the buckling part 33 facing the introduction groove 31 and the buckling groove 32 are arc-shaped, so that the trigger end 242 can smoothly cross the buckling part 33 when the cup cover 2 is mounted or dismounted, and the operation and use of a user are facilitated.

According to the invention, the safety mechanism is skillfully arranged in the cup cover, the linkage assembly prevents the installation between the host and the cup cover when the cup cover and the stirring cup are not installed in place, the host is prevented from being installed on the cup cover before the cup cover is installed on the stirring cup when the stirrer is assembled, and the cup cover is prevented from being taken down from the stirring cup before the host is not taken down when the stirrer is disassembled, so that the first coupling and the second coupling cannot be meshed and connected when the cup cover is not installed in place with the stirring cup, a transmission connection structure cannot be formed between the cup cover and the host, and thus potential safety hazards caused by the rotation of the exposed stirring knife are avoided, and the use safety performance is improved. The stirrer disclosed by the invention has the following working principle of assembly or disassembly:

when the host 1 and the cup cover 2 are assembled separately (i.e. the cup cover 2 is not installed on the stirring cup 3), the trigger rod 24 is located at a relatively outer original position under the action of the second elastic piece 25, the blocking ring 22 cannot be pressed down due to the dislocation of the through hole 241 and the blocking rod 221 at the lower end of the blocking ring 22, so that the depth from the cavity opening of the installation cavity 210 to the blocking ring 22 is shallow, the lower end of the host 1 cannot be installed in the installation cavity 210 of the cup cover 2 due to the fact that the blocking ring 22 cannot be pressed down, namely, the host 1 and the cup cover 2 cannot be installed in place, the first coupler 12 of the host 1 is separated from the second coupler 23 of the cup cover 2 at the moment, the motor 11 cannot drive the cutter shaft 28, and the exposed stirring knife 29 is prevented from rotating to.

When the trigger rod 24 on the cup cover 2 is assembled opposite to the lead-in groove 31 on the cup 3 and rotates for a certain angle, the trigger rod 24 is screwed into the buckling groove 32 to enable the cup cover 2 and the stirring cup 3 to be installed in place, and the wall thickness of the buckling groove 32 is larger than that of the lead-in groove 31, the trigger rod 24 moves for a certain distance towards the center direction of the cup cover 2, so that the insertion hole 201 and the stop rod 221 of the stop ring 22 are arranged oppositely, and the stop ring 22 can be pressed downwards to enable the stop rod 221 to be inserted into the insertion hole 241. Then, the main body 1 is assembled to the cup cover 3, the lower end of the main body 1 abuts against the baffle ring 22 to enable the baffle ring 22 to move downwards until the baffle rod 221 is inserted into the insertion hole 241, the buckling part 13 is buckled into the assembling groove 213 to realize the assembly of the main body 1 and the cup cover 2 in place, at this time, the first coupling 12 is meshed with the second coupling 23, and the motor 11 can drive the stirring knife 22 to rotate in the stirring cup 3 to process food.

The agitator is under the user state, host computer 1 and bowl cover 2, cup 3 three assembly line is integrative afterwards promptly, the pin 221 of fender ring 22 inserts in the interlude hole 241 of trigger bar 24, make trigger bar 24 elasticity flexible under the condition that host computer 1 does not take out, when trying to take off bowl cover 2 from stirring cup 3, trigger bar 24 can block buckle portion 33 on the stirring cup 3, stirring cup 3 can not unscrew bowl cover 2 this moment, prevent promptly to take place to take off bowl cover 2 from stirring cup 3 when not taking off host computer 1, thereby avoid stirring sword 29 to expose and take place to rotate and bring the potential safety hazard, reach the purpose that improves safe in utilization. Only when the main machine 1 is detached from the cup cover 2, the first elastic member 23 pushes the baffle ring 22 to bounce to the original position, the trigger rod 24 is separated from the through hole 241, the limit relation between the baffle rod 221 and the through hole 241 is removed, interference between the baffle ring 22 and the trigger rod 24 is avoided, the locking between the cup cover 2 and the stirring cup 3 is removed, the stirring cup 3 is rotated at the moment, the trigger rod 24 is restored to the elastic telescopic state, and the trigger rod 24 enters the lead-in groove 31 from the buckle groove 32, so that the cup cover 2 and the cup 3 are separated.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.