CN218246775U

CN218246775U - Safety protection device for juicer

Info

Publication number: CN218246775U
Application number: CN202221764697.6U
Authority: CN
Inventors: 姚建龙
Original assignee: Dongguan Zhongmeng Electrical Appliance Co ltd
Current assignee: Dongguan Zhongmeng Electrical Appliance Co ltd
Priority date: 2022-07-08
Filing date: 2022-07-08
Publication date: 2023-01-10
Anticipated expiration: 2032-07-08

Abstract

The utility model discloses a safety protection device for a juice extractor, which comprises a juice extractor body, wherein the juice extractor body comprises a base, a blade assembly arranged on the base, a cooking cup arranged on the base, and a safety protection device arranged between the base and the cooking cup; the base comprises a shell and a circuit board which is arranged in the shell and electrically connected with the blade assembly; the safety protection device comprises at least one safety switch arranged in the shell and connected with the circuit board, and at least one pressing prism arranged at the bottom of the cooking cup and matched with the safety switch; an opening for the pressing prism to penetrate through is formed on the upper end face of the shell. The utility model provides a pair of a safety device for juice extractor, its safety device can in time control the circular telegram, has improved the juice extractor security, has further increased the reliability of juice extractor.

Description

Safety protection device for juice extractor

Technical Field

The utility model relates to a food processing technology field especially relates to a safety device for juice extractor.

Background

The juice extractor is a small household appliance for processing fruits into juice, and has the advantages of quenching thirst, having good taste, being easier to be absorbed by intestines and stomach, and the like, so the juice extractor is widely favored by people. The juicer in the prior art comprises a base with a motor, a blade, a transmission device and a cup body. When the juicing cup is used, the blade is directly arranged on the upper transmission device, then the cup body is arranged, the cut pulp is placed in the cup body, and the blade is driven by the transmission device to cut the pulp, so that the purpose of juicing is fulfilled. However, in the mode of directly mounting the blade on the transmission device, when the cup body is not mounted on the base, the blade is mounted on the transmission device, and children easily open the transmission device by mistake, so that the blade idles and scratches hands of the children, and safety problems are caused.

SUMMERY OF THE UTILITY MODEL

To the above, an object of the utility model is to provide a safety device for juice extractor, its safety device can in time control the circular telegram, has improved the juice extractor security, has further increased the reliability of juice extractor.

The utility model adopts the technical proposal that the purpose is achieved:

a safety protection device for a juice extractor comprises a juice extractor body, wherein the juice extractor body comprises a base, a blade assembly arranged on the base, a cooking cup arranged on the base and a safety protection device arranged between the base and the cooking cup; the base comprises a shell and a circuit board which is arranged in the shell and electrically connected with the blade assembly; the safety protection device comprises at least one safety switch arranged in the shell and connected with the circuit board, and at least one pressing prism arranged at the bottom of the cooking cup and matched with the safety switch; an opening for the pressing prism to penetrate through is formed on the upper end face of the shell.

Furthermore, the upper end of the safety switch is provided with a trigger block which corresponds to the opening and is telescopic, and the trigger block acts on the trigger block when the pressing prism is pressed downwards.

Furthermore, the cooking cup comprises a cup body, a cup cover arranged on the cup body and a mounting flange formed on the lower end surface of the cup body; the mounting flange is integrally of a reverse-L shape including a lateral flange connected to a lower end surface of the cup body and a longitudinal flange connected to an inner side of the lateral flange, and the pressing prism is disposed on a lower end surface of the lateral flange.

Further, the upper end surface of the housing is formed with a mounting groove matching the mounting flange, the mounting groove being integrally "" shaped including a transverse edge matching the transverse flange and a longitudinal groove connected to the transverse edge and matching the longitudinal flange; the opening is arranged on the upper end face of the transverse edge.

Furthermore, the opening is a truncated cone-shaped opening with a wide upper part and a narrow lower part, and the inclination angle of the side edge of the truncated cone shape is 30-55 degrees.

Further, the side edge of the opening is inclined at an angle of 45 degrees.

Furthermore, the lower end of the abutting prism is in a shape of a circular truncated cone matched with the opening, and the inclination angle of the side edge of the abutting prism is matched with the opening.

Furthermore, an elastic piece is sleeved on the outer side of the trigger block, one end of the elastic piece is pressed against the safety switch, and the other end of the elastic piece is flush with the opening.

Further, the length of the elastic piece is 0.5 to 1.2 centimeters longer than that of the trigger block.

Further, the elastic member is a spring.

The utility model has the advantages that:

a safety protection device is arranged between the base and the cooking cup, and comprises at least one safety switch arranged in the shell and connected with the circuit board, and at least one pressing prism arranged at the bottom of the cooking cup and matched with the safety switch; an opening for the pressing prism to penetrate through is formed on the upper end face of the shell. When cooking the cup not install in when on the base, safety switch is in the off-state, makes the power on the circuit board unable supply for blade subassembly, even other people touched control panel on the base by mistake and also can not make the blade idle running, has effectively realized the outage safety of juice extractor, has reduced the emergence of accident, has improved the security and the reliability of juice extractor. When cooking cup install in when on the base, support on the cooking cup and press prismatic the passing the opening of shell up end support press in safety switch is last, triggers safety switch, makes safety switch be in the closure state, realizes the power circulation in the juice extractor, and control panel on the blade accessible base starts to stir, accomplishes the purpose of squeezing the juice.

The above is an overview of the technical solution of the present invention, and the present invention is further explained with reference to the accompanying drawings and the detailed description.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is a schematic view of the structure of the pressing prism and the opening;

FIG. 4 is a schematic view of a safety shield apparatus;

fig. 5 is a circuit diagram of the present invention;

in the figure: 1. a juicer body; 2. a base; 21. a housing; 211. an opening; 212. installing a groove; 2121. a transverse edge; 2122. a longitudinal groove; 22. a circuit board; 3. a blade assembly; 4. a cooking cup; 41. a cup body; 42. a cup cover; 43. a mounting flange; 431. a transverse flange; 432. a longitudinal flange; 5. a safety device; 51. a safety switch; 511. a trigger block; 52. pressing the prism; 53. an elastic member.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined purposes, the following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings and preferred embodiments.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1 to 5, an embodiment of the present invention provides a safety protection device for a juice extractor, including a juice extractor body 1, where the juice extractor body 1 includes a base 2, a blade assembly 3 mounted on the base 2, a cooking cup 4 mounted on the base 2, and a safety protection device 5 disposed between the base 2 and the cooking cup 4; the base 2 comprises a shell 21 and a circuit board 22 which is arranged in the shell 21 and electrically connected with the blade assembly 3; the safety protection device 5 comprises at least one safety switch 51 arranged in the shell 21 and connected with the circuit board 22, and at least one pressing prism 52 arranged at the bottom of the cooking cup 4 and matched with the safety switch 51; an opening 211 for the pressing prism 52 to penetrate is formed on the upper end surface of the housing 21.

When cooking cup 4 not install in on base 2, safety switch 51 is in the off-state, makes the power on the circuit board 22 unable supply for blade subassembly 3, even other people have touched control panel on the base 2 by mistake and also can not make blade subassembly 3 idle running, has effectively realized the outage safety of juice extractor, has reduced the emergence of accident, has improved the security and the reliability of juice extractor. When cooking cup 4 install in when base 2 is last, the prismatic 52 of pressing on the cooking cup 4 passes the opening 211 of shell 21 up end support press in safety switch 51 is last, triggers safety switch 51, makes safety switch 51 be in the closure state, realizes the power circulation in the juice extractor, and control panel on the blade accessible base 2 starts to stir, accomplishes the purpose of squeezing the juice.

The safety switch 51 is a conventional part in the industry, and is not limited by a specific model and the like in the embodiment. For the installation manner of the safety switch 51, the safety switch 51 may be fixed on the side wall inside the housing 21 by screws, or may be supported by a prism, and the like, and the safety switch 51 may be pressed down by the pressing prism 52, and the specific manner may be set according to actual conditions, and is not limited by a specific installation structure in this embodiment.

As for the specific mode that the pressing prism 52 acts on the safety switch 51, as shown in fig. 2 to fig. 4, a retractable trigger block 511 corresponding to the opening 211 is arranged at the upper end of the safety switch 51, the pressing prism 52 acts on the trigger block 511 when being pressed down, the trigger block 511 is pressed down into the safety switch 51 by the pressing prism 52, so that the safety switch 51 is in a closed state, and the inside of the juice extractor is powered on, when the cooking cup 4 is not mounted on the base 2, the trigger block 511 rebounds and extends out of the safety switch 51, so that the safety switch 51 is in an open state, the power on the circuit board 22 cannot be supplied to the blade assembly 3, and the blade assembly 3 cannot idle run even if a person accidentally touches a control panel on the base 2, so that the power-off safety of the juice extractor is effectively realized, the occurrence of juice extraction accidents is reduced, and the safety and the reliability of the juice extractor are improved. The position of the trigger block 511 is arranged right below the opening 211, so that the pressing prism 52 can be more easily pressed on the trigger block 511 when passing through the opening 211, and the matching degree of each part is facilitated.

As for the specific structural arrangement of the cooking cup 4, as shown in fig. 1 and 2, the cooking cup 4 includes a cup body 41, a cup cover 42 mounted on the cup body 41, and a mounting flange 43 formed on the lower end surface of the cup body 41; the mounting flange 43 is integrally of a reverse-L shape, and includes a lateral flange 431 connected to a lower end surface of the cup 41, and a longitudinal flange 432 connected to an inner side of the lateral flange 431, and the pressing prism 52 is disposed on a lower end surface of the lateral flange 431. By arranging the pressing prism 52 on the lower end face of the transverse flange 431, parts used for safety protection, such as the pressing prism 52 and the safety switch 51, are isolated by the longitudinal flange 432, so that the situation that the safety switch 51 or other parts on the base 2 cannot be used normally due to the fact that the stirred juice in the cup body 41 enters the safety switch 51 in the base 2 or other parts in the base 2 through the opening 211 is effectively prevented, and the safety and the reliability of the juice extractor are further improved. The cup cover 42 is detachably mounted on the cup body 41 and used for opening and placing pulp and pouring out juice.

As to the specific way of mounting the cooking cup 4 on the base 2, as shown in fig. 2, the upper end surface of the housing 21 is formed with a mounting groove 212 matching with the mounting flange 43, and the mounting groove 212 is integrally "l" -shaped and includes a transverse edge 2121 matching with the transverse flange 431 and a longitudinal groove 2122 connected to the transverse edge 2121 and matching with the longitudinal flange 432; the opening 211 is disposed on an upper end surface of the lateral edge 2121. When the cooking cup 4 is mounted on the base 2, the transverse flange 431 is correspondingly mounted on the transverse edge 2121, and the longitudinal flange 432 is correspondingly mounted on the longitudinal groove 2122, so that the matching degree between the parts is facilitated. The opening 211 corresponds set up in on the lateral margin 2121 up end, prevent effectively the fruit juice that is stirred in the cup 41 enters into on the safety switch 51 in the base 2 or on other parts in the base 2 through opening 211, lead to the unable normal use of safety switch 51 or other parts on the base 2, further improved the security and the reliability of juice extractor.

In order to enable the pressing prism 52 to better press against the trigger block 511, as shown in fig. 3, the opening 211 is a truncated cone-shaped opening 211 with a wide top and a narrow bottom, and the inclination angle of the side edge of the truncated cone shape is 30 to 55 degrees. When the pressing prism 52 needs to penetrate through the opening 211, the pressing prism 52 firstly presses the opening 211 and is guided by the inclined surface of the opening 211 to move to the lower end of the opening 211, so that the stroke of the pressing prism 52 is further limited, the pressing prism 52 better presses the trigger block 511, and the installation procedure is completed.

Preferably, the angle of inclination of the side edge of the opening 211 is 45 degrees.

In order to enable the pressing prism 52 to further better press against the trigger block 511, as shown in fig. 3, the lower end of the pressing prism 52 is in a truncated cone shape matching with the opening 211, and the side edge inclination angle of the pressing prism is 30 degrees to 55 degrees matching with the opening 211. Preferably, the side edge inclination angle is 45 degrees.

In order to slow down the cooking cup 4 is installed in dynamics on the base 2, as shown in fig. 2 and 4, the outside cover of trigger block 511 is equipped with an elastic component 53, elastic component 53 one end support press in on the safety switch 51, the other end with the opening 211 keeps flat. Work as cooking cup 4 need install in when on base 2, support and press prismatic 52 to pass opening 211 support earlier in on the elastic component 53, compress elastic component 53, after elastic component 53 compresses to a certain degree support and press prismatic 52 to support and press on trigger block 511, push down trigger block 511 to withdrawal safety switch 51 in, make safety switch 51 closed, accomplish switching on of the inside power of juice extractor, through setting up elastic component 53 is as the buffering to reduce and support the dynamics when pressing prismatic 52 and pushing down, the overpowering degree damage safety switch 51 when preventing to press prismatic 52 and pushing down has ensured this safety device 5's life. Because the elastic force of elastic component 53, when no fruit flesh was put into, cooking cup 4 its weight is not enough let support prismatic 52 and push down to trigger block 511 on, further prevent blade subassembly 3 idle running, improved juice extractor's security and reliability. When cooking cup 4 leaves when base 2, trigger block 511 stretches out in the safety switch 51, safety switch 51 is in the off-state, and the power on the circuit board 22 can't supply for blade subassembly 3, even other people touched control panel on base 22 by mistake can not make blade subassembly 3 idle running, fish tail user's hand. The elastic member 53 is rebounded synchronously until it is in the same plane with the opening 211, and waits for the next use.

Preferably, the length of the elastic member 53 is 0.5 to 1.2 cm longer than that of the trigger block 511, so as to effectively reduce the downward pressure of the pressing prism 52 and protect the trigger block 511 and the safety switch 51.

Preferably, the elastic member 53 is a spring, which is low in cost and durable, and effectively reduces the overall cost of the safety protection device 5, so that the safety protection device 5 has higher practicability.

What to cooking cup 4 card is gone into fixed mode behind the base 2, the accessible is in vertical flange 432 sets up the joint flange, sets up the joint recess in the vertical recess 2122, joint flange card is gone into accomplish in the joint recess cooking cup 4 is fixed in the purpose on the base 2, also can realize through other modes that cooking cup 4 is fixed in the purpose on the base 2, and its concrete mode can set up according to actual conditions, does not do concrete restriction in this embodiment.

It should be noted here that the utility model discloses a safety device for juice extractor improves concrete structure, and to concrete control mode, is not the innovation point of the utility model. To the safety switch, circuit board, spring and other parts that the utility model relates to, can be general standard component or the part that technical staff knows, its structure, principle and control mode are known or are known through routine experimentation methods through technical manual for technical staff in the field.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that other structures obtained by adopting the same or similar technical features as the above embodiments of the present invention are all within the protection scope of the present invention.

Claims

1. The utility model provides a safety device for juice extractor, includes a juice extractor body, the juice extractor body includes a base, installs a blade subassembly on the base, installs a cooking cup on the base, its characterized in that: the safety protection device is arranged between the base and the cooking cup; the base comprises a shell and a circuit board which is arranged in the shell and electrically connected with the blade assembly; the safety protection device comprises at least one safety switch arranged in the shell and connected with the circuit board, and at least one pressing prism arranged at the bottom of the cooking cup and matched with the safety switch; an opening for the pressing prism to penetrate through is formed on the upper end face of the shell.

2. A safety guard for a juicer according to claim 1, wherein: the upper end of the safety switch is provided with a trigger block which corresponds to the opening and is telescopic, and the trigger block acts on the trigger block when the pressing prism presses downwards.

3. A safety guard for a juicer according to claim 1, wherein: the cooking cup comprises a cup body, a cup cover arranged on the cup body and a mounting flange formed on the lower end surface of the cup body; the mounting flange is integrally of a reverse-L shape including a lateral flange connected to a lower end surface of the cup body and a longitudinal flange connected to an inner side of the lateral flange, and the pressing prism is disposed on a lower end surface of the lateral flange.

4. A safety shield for a juicer according to claim 3, wherein: a mounting groove matched with the mounting flange is formed on the upper end surface of the shell, and the mounting groove is integrally in a L shape and comprises a transverse edge matched with the transverse flange and a longitudinal groove which is connected with the transverse edge and matched with the longitudinal flange; the opening is arranged on the upper end face of the transverse edge.

5. A safety shield for a juicer according to claim 1, wherein: the opening is a round table-shaped opening with a wide upper part and a narrow lower part, and the inclination angle of the round table-shaped side edge is 30-55 degrees.

6. A safety guard for a juicer according to claim 5, wherein: the side edge inclination angle of the opening is 45 degrees.

7. A safety guard for a juicer according to claim 5, wherein: the lower end of the pressing prism is in a circular truncated cone shape matched with the opening, and the side edge inclination angle of the pressing prism is matched with the opening.

8. A safety shield for a juicer according to claim 2, wherein: an elastic piece is sleeved on the outer side of the trigger block, one end of the elastic piece is pressed against the safety switch, and the other end of the elastic piece is flush with the opening.

9. A safety shield apparatus for a juicer according to claim 8, wherein: the length of the elastic part is 0.5 to 1.2 centimeters longer than that of the trigger block.

10. A safety shield apparatus for a juicer according to claim 8, wherein: the elastic piece is a spring.