CN2582511Y - Safety Protection Mechanism for Food Processing Machines - Google Patents

Abstract

A safety protection mechanism of a food processor comprises an electric control switch device and a disconnecting switch device; the electric control switch device is provided with an inclined convex body at one side of the bottom surface of the button corresponding to the detaching switch device, the detaching switch device is adjacent to the inclined convex body in the main body, a fixed seat is arranged at the side of the inclined convex body, a separation blade capable of moving along the fixed seat is arranged above the fixed seat, one end of the separation blade is abutted against the inclined convex body, a perforation communicated along a vertical line is respectively arranged on the separation blade and the fixed seat, and a pressing convex body of the detaching switch device button is in positive correspondence with the two perforations when the button of the electric control switch device is not pressed down and can penetrate into the button to open the detaching control mechanism. Therefore, the motor starting switch button and the switch button which is partially detached from the main body and the container adopt a safety control design that the mutual restraint cannot be simultaneously carried out, so that the main body cannot be separated from the container when the motor rotates, or the motor cannot rotate when the main body is separated from the container, thereby avoiding the machine table from being damaged or even injuring a user due to improper operation.

Description

Safety Protection Mechanism for Food Processing Machines

technical field

The utility model relates to a food cooking machine, in particular to a safety protection mechanism of the food cooking machine.

Background technique

Although the food cooking machine can provide various food cooking, which makes the food cooking more varied, but when the food cooking machine is used, it uses the motor to drive the knife to break or cut the food and concentrate it on the container that the food cooking machine matches. Therefore, after using the food processor, the main part with the motor inside must be separated from the container to take out the food in the container and clean the container to ensure a hygienic effect when used next time; However, since the motor drive shaft in the main body of the food cooking machine protrudes out of the main body and then drives the cutter in the container, in case the user accidentally touches the motor start switch of the food cooking machine after disassembling the main body When pressing the button, or accidentally touching the button where the main body and the container part are separated during use, the cutter will be driven by the motor to rotate, causing damage to the machine and even injuring the user.

Therefore, the safety protection mechanism of the food cooking machine is an extremely necessary and important safety protection mechanism design. A well-designed safety protection mechanism of the food cooking machine should provide users with no safety concerns in operation, which is good. Excellent design, the inventor of this utility model is based on this creative idea, and conceives, develops and designs this utility model.

Contents of the invention

The design principle of the utility model is mainly to use a safety control design that the motor start switch button of the food cooking machine and the switch button that removes the main body and the container part are mutually restrained and cannot act at the same time, so that when the motor rotates, the main body It cannot be separated from the container, or when the main body is separated from the container, the motor cannot rotate, so as to avoid damage to the machine or even the user due to improper operation.

Therefore, the main purpose of this utility model is to provide a safety protection mechanism for a food cooking machine, which can make the food cooking machine start the switch button and the switch button that removes the main body and the container. Action, so that the two will never move at the same time, with absolute control safety, which can avoid damage to the machine or even the user due to improper operation.

The purpose of this utility model is achieved in the following way: a safety protection mechanism of a food cooking machine has an electric control switch device for starting the motor, and an unloading switch device for unloading the main body from the container; wherein,

The electric control switch device has a hollow fixed seat positioned in the main body, which can be inserted into a button. The bottom surface of the button corresponds to the side where the switch device is dismounted, and there is an oblique convex body. Pushed by a spring, the electric control switch button has a lifting force. When the electric control switch button is pressed down, the bottom end of the push rod can control the motor to start;

The unloading switch device is fixed with a fixed seat adjacent to the side of the inclined convex body in the main body. There is a clamping surface space above the fixed seat, and a blocking piece can be embedded in the clamping surface space. The blocking piece is pushed by a spring. The tongue on the side edge can be in contact with the oblique convex body, and there is a vertically connected perforation on the blocking plate and the fixed seat surface; a release switch button is positioned above the perforation of the blocking plate, and can be accessed from the outside of the main body. For touch control, there is a pressing protrusion in the middle of the bottom surface of the release switch button corresponding to the perforation position, and it is pushed up by a spring, so that the bottom end of the pressing protrusion is located above the perforation of the blocking piece. When the release switch button is pressed down , the pressing convex body can pass through the perforation of the baffle and the fixing seat, and control the combination structure of the main body and the container below;

In this way, when the button of the electric control switch device is pressed down to control the rotation of the motor, the button of the electric control switch will move down, so that the inclined convex body will also move down in conjunction with it, so as to push the shrapnel and compress the spring to displace, so that the stopper The perforation of the sheet deviates from the perforation of the fixing seat of the unloading switch device. When the button of the unloading switch device is pressed down, the bottom end of the pressing convex body is restricted by the top surface of the block and cannot be pressed down, so that the electric control switch device can be unloaded when it is pressed. On the contrary, when the release switch button of the release switch device is pressed down, the bottom of the pressing convex body will extend into the perforation of the blocking piece and the fixing seat, so as to control the separation of the main body and the container combination structure. At this time, because the block cannot be displaced, and the tongue on the side edge of the block is in contact with the inclined convex body of the electric control switch device, the electric control switch button cannot be pressed down at this time, and when the switch device is operated and unloaded, the electric control The effect of preventing the switching device from being operated.

According to the above structure, the start switch button of the utility model and the switch button detached from the main body and the container part of the utility model are restrained from each other and cannot act at the same time, so that the two will never act at the same time, which has absolute control safety and can be used. Avoid damage to the machine or even injury to the user due to improper operation.

Description of drawings

Fig. 1 is an overall exploded view of a food cooking machine according to an embodiment of the present invention.

Fig. 2 is a sectional view of the food cooking machine according to the embodiment of the present invention.

Fig. 3 is a three-dimensional exploded view between the fixing seat and the blocking piece of the food cooking machine according to the embodiment of the present invention.

Fig. 4 is a cross-sectional view of the action of the food cooking machine according to the embodiment of the present invention when it is started.

Fig. 5 is a cross-sectional view of the action of the food cooking machine according to the embodiment of the present invention when the main body is taken out.

FIG. 6 is an enlarged view of the structure at position A in FIG. 5 .

FIG. 7 is an enlarged view of the structure at position B in FIG. 4 .

Fig. 8 is a switch control structure diagram in the direction of arrow C in Fig. 2 .

FIG. 9 is a switch control structure diagram in the direction of arrow D in FIG. 4 .

Fig. 10 is a structural diagram between the push rod and the first connecting rod of the food cooking machine according to the embodiment of the present invention.

Fig. 11 is a detailed structural diagram in the direction of arrow E in Fig. 5 .

Detailed ways

In order to achieve the above purpose, a preferred feasible embodiment of the present utility model is hereby described as follows with reference to the drawings.

First, referring to Fig. 1 and Fig. 2, the main components of the food cooking machine 1 in the embodiment of the present utility model include:

A main body 2 has an electric control switch device 3 that can be pressed by the user to control the start of the food cooking machine 1, and a disengagement switch device 4 that is controlled by the electric control switch device 3 and is used to disassemble the main body 2. Mutual containment cannot act at the same time, so that only a single switch device can be pressed and driven by the two switch devices 3 and 4 at the same time, so that it has better safety in use (the use function of its safety will be described in detail later); in,

The composition of the electric control switch device 3 includes a switch fixing seat 30 installed and fixed on the main body 2. The switch fixing seat 30 is provided with a through spring chamber 31 towards the center of the seat end of the main body 2. The bottom end of the spring chamber 31 The inner side has an inner lip 32, which is used for the bottom end of the spring 33 to extend into the spring chamber 31 for positioning; a push rod 34 is provided, and the bottom end of the push rod 34 passes through the spring 33 and stretches out to the spring chamber 31, the rod body has a support portion 35 for the top of the spring 33 to lean against, so that the push rod 34 is constantly pushed upward by the spring 33; On the switch holder 30, there is a button 36 that can be pressed. The button 36 is provided with an oblique convex body 37 with an active end that is a push-pull slope toward the inner side of the switch holder 30. The switch holder 30 at the corresponding end of the oblique body 37 has a The perforation 38 allows the oblique body 37 to pass through, so that when the button 36 is pressed, the oblique body 37 and the push rod 34 will be displaced synchronously.

Referring to Fig. 2 and Fig. 3 at the same time, as for being located on the main body 2 and the electric control switch device 3 to restrain each other and control it as the unloading switch device 4 for dismounting the main body 2, its composition structure includes a fixed seat installed and fixed on the inner side of the main body 2 40. On both sides of the opposite end of the top surface of the fixing seat 40, there is a clamping surface space 42 similar to that separated by two opposing inverted L-shaped clip bodies 41. The inner side of the clamping surface space 42 is provided with Straight to the perforation 43, there is a spring support column 45 protruding from the fixed seat 40 facing the oblique convex body 37 end, for a spring 46 end to be sleeved; and a catch 47, one end of the catch 47 is a hook end 471, such as As shown in FIG. 2 , the lateral open end 44 close to the inclined convex body 37 from the clamping surface space 42 slides into the clamping surface space 42 and is separated and positioned by the inverted L-shaped clamping body 41 , and the hook end 471 is hooked on the fixing seat 40 The side edge of the retaining plate 47 is provided with another perforation 470 in the straight perforation 43 of the face corresponding to the bottom surface of the sandwich space 42, and the retaining plate 47 stretches out a tongue 472 facing the end of the oblique convex body 37, so that the tongue 472 and the oblique convex Body 37 keeps contacting, and as shown in Figure 2, catch piece 47 extends downwards a vertical wall 473 on the same side end, and this vertical wall 473 is for the other end of spring 46 to lean against, and spring 46 has pushing catch piece 47 to oblique The power of the displacement of the convex body 37 ends, but because the tongue plate 472 of the blocking plate 47 is resisted by the inclined convex body 37, the position of the blocking plate 47 is limited. The perforation 43 is set to communicate in a straight line (as shown in Figure 2); The pressing convex body 480 of the spring 49, which is directly corresponding to the perforation 470 of the blocking plate 47 and the perforation 43 of the fixing seat 40, is shown in Fig. 2 and Fig. 6, so that when the button 48 is pressed, the The bottom end of the pressing convex body 480 stretches out through the perforation 470 of the blocking plate 47 and the perforation 43 of the fixed seat 40. 480 restricts the blocking piece 47), so that the blocking piece 47 cannot be laterally displaced, and always resists the oblique convex body 37 of the button 36 of the aforementioned electric control switch device 3 installed on the main body 2, causing the electric control switch device 3 The button 36 cannot be pressed down until the button 48 is released to make the pressing convex body 480 withdraw from the perforation 470 of the catch 47, as shown in Fig. 4 and Fig. 7, the button 36 of the electric control switch device 3 can be pressed; similarly , in the state shown in Figure 2, when the button 36 is pressed, the oblique body 37 of the button 36 will push the blocking piece 47 to move in the direction indicated by the arrow F in Figure 7, so that the perforation 470 of the blocking piece 47 and the fixing seat The perforations 43 of 40 are staggered and misaligned between the two. Therefore, even if the pressing convex body 480 of the other button 48 is pressed, the end of the pressing convex body 480 will still touch the top surface of the blocking plate 47, and cannot go further. Downward displacement, therefore, only a single switch device of the two switch devices 3 and 4 can be pressed and driven at the same time, which has the safety of mutual containment.

A motor control switch device 5, referring to shown in Figure 1, is installed on the inner side of main body 2, and it has a main support frame 50, mainly is to install a start switch 51 and a brake switch 52 on this main support frame 50, see figure again 8. Fig. 9, the touch terminals 510, 520 of the two switches 51, 52 correspond to each other (viewed from the direction shown by arrow C in Fig. 2, the installation positions between the two switches 51, 52 are as shown in Fig. 8, 9), between the touch terminals 510, 520 of the two switches 51, 52, there is a first connecting rod 53 arranged horizontally, and one end of the first connecting rod 53 faces the push of the aforementioned electric control switch device 3. The bottom end of the rod 34 is used as the pressure end 530. The pressure end 530 and the bottom end of the first connecting rod 53 have a pressure-receiving angle, so that when the push rod 34 is pushed, the first connecting rod 53 can be axially displaced. The other end of the first connecting rod 53 is the pressing end 531, and the pressing end 531 of this end is constantly pushed to the touch end 520 of the brake switch 52 by a spring 54 installed on the main support frame 50, so that the first end When the connecting rod 53 is not subjected to other external forces (that is, when the button 36 of the electric control switch device 3 has not been pressed), it touches the touch end 520 of the brake switch 52, that is, the state shown in Figure 8, so that the food is cooked The motor of the machine 1 keeps the braking state; if the user presses the button 36 on the electric control switch device 3, see Fig. 9 and Fig. 10, the bottom end of the push rod 34 will be displaced and push the first connecting rod 53 The spring 54 is compressed and axially displaced, so that the first connecting rod 53 will overcome the force in the direction of the original spring 54 pushing the brake switch 52, and then use the contact pressure end 531 of the first connecting rod 53 to touch the start switch 51. Touch terminal 510, in the process of displacement of the first connecting rod 53, the touch terminal 531 has been released first to touch the touch terminal 520 of the brake switch 52. Therefore, once the user presses the button on the electric control switch device 3 After 36 minutes, the motor of the food cooking machine 1 can always drive the cutter seat 81 to rotate.

A main body detachment control mechanism 6 is also installed on the inside of the main body 2. It has a second connecting rod 60 that is pushed up by a spring 62 in a straight manner. The top 600 of the second connecting rod 60 faces the aforementioned unloading The bottom end of the pressing protrusion 480 of the button 48 of the switch device 4 is shown in FIG. The bottom end of the body 601 corresponds to two sliding buttons 61 assembled on the bottom cover 7 with a horizontal sliding displacement function. The top surface of the top surface has an inclined surface for reverse control of the slippery slide inclined surface 6100 for the bottom end of the two pressing convex bodies 601 to touch and press, as shown in Figure 11, the angled end 610 is provided with a slot and a spring 620 is respectively accommodated, and The angled ends of the two springs 620 are blocked by the baffle plate 70 fixed on the bottom cover 7, so that the two sliding buttons 61 can be pushed outward by the elastic force of the springs 620, and have a constant linear motion outside the angle. Directional displacement force exists; in addition, there is a protruding end 611 extending away from the end of the angled end 610 of the two sliding buttons 61, and the bottom edge of the protruding end 611 is push-pull shape, and the bottom cover 7 of the two protruding ends 611 is relatively There are two holes 710 with hole seats 71 for the two protruding handle ends 611 to be inserted and fixed, and the bottom surface of the hole seats 71 is in the shape of a through hole, and the container cover 8 installed under the bottom cover 7 is also provided with holes corresponding to the same structure. seat 80 and hole 800; wherein, the hole 710 of the hole seat 71 on the bottom cover 7 can be used for the hole 800 of the hole seat 80 on the container cover 8 to be embedded from bottom to top, so when the two sliding buttons 61 are not subjected to other external forces, their The protruding end 611 of the two sliding buttons 61 is pushed into the hole 710 of the hole seat 71 on the bottom cover 7 by the elastic force of the spring 620. When the container is combined with the main body 2 by the container cover 8, the two hole seat 80 of the container cover 8 Extend into the hole seat 71 through the hole below the hole seat 71 of the bottom cover 7 of the main body 2 from bottom to top. The convex end 611 of the sliding button 61 inside the sliding button 61 compresses the spring 620 to move toward the angled end. When the hole seat 80 is completely submerged in the hole seat 71, the convex end 611 of the sliding button 61 is pushed in by the restoring force of the spring 620. In the hole seat 80 of the container cover 8, the main body 2, the bottom cover 7 and the container cover 8 are affixed together; a cutter seat 81 is assembled below the center of the container cover 8, and the side wall has a food for food to put in. The cooking room 82 is provided with a container 83 for receiving food below.

With these settings, it can achieve extremely high safety in operation and use, which are explained as follows:

1. When processing food, you only need to put the food into the food cooking chamber 82 on the container cover 8, and then press the button 36 of the electric control switch device 3, as shown in the direction of the arrow P in Figure 4, you can synchronize Touch the stopper 47 on the push rod 34 and the fixed seat 40 to compress the displacement of the springs 33 and 46 respectively; wherein, the bottom end of the push rod 34 will be displaced to push the pressure end 530 of the first connecting rod 53 to axially and synchronously displace. A connecting rod 53 will overcome the force of the original spring 54 to push the brake switch 52, and then use the touch end 531 of the first connecting rod 53 to touch the touch end 510 of the start switch 51, as shown in FIG. 9 Therefore, once the user presses the button 36 on the electric control switch device 3 and does not release it, the motor of the food cooking machine 1 can be driven immediately; the blocking plate 47 is affected by the pushing displacement of the oblique convex body 37 of the button 36, Therefore, the perforation 470 of the blocking piece 47 and the perforation 43 of the fixing piece 40 are staggered and misaligned, as shown in FIGS. The end of 480 will still touch the top surface of the blocking plate 47, and the action of blocking the button 48 can no longer be displaced downward, so when processing food, because the button 48 cannot be pressed, so that the main body 2 parts and the container part cannot be connected. The parts are separated, that is, only one switch device of the two switch devices 3 and 4 can be pressed and driven at the same time, and the safety is better; if the button 36 of the electric control switch device 3 is released, the push rod 34 will automatically be pressed by the spring 33 is pushed back to the original position, therefore, the pressure end 530 which is pushed against the first connecting rod 53 by the push force of the push rod 34 will immediately bounce back to its original position by the spring 54 installed by itself, causing the other end to touch the pressure. End 531 in turn returns to the touch end 520 that resists the brake switch 52, that is, as shown in Figure 8, the motor of the food cooking machine 1 is braked immediately; The perforations 470 and 43 are straight, as shown in FIG. 2 .

2. When the main body 2 part is to be separated from the container 83, you only need to press the button 48 of the unloading switch device 4, and when the button 48 is pressed, as shown in Figures 5 and 6, the pressing convex body 480 just Penetrating into the perforation 470 of the blocking piece 47 to limit the blocking piece, so that the blocking piece 47 cannot be displaced laterally, instead, the oblique convex body 37 of the button 36 of the electronic control switch device 3 installed on the main body 2 is always held against, The button 36 of the electric control switch device 3 cannot be pressed down, so the motor will not be started due to pressing the button 36 of the electric control switch device 3, and the safety is excellent; and when the button 48 is pressed, its Pressing the convex body 480 will touch the top 600 of the second connecting rod 60, so that the whole second connecting rod 60 will move down, so that the two pressing convex bodies 601 at the bottom of the second connecting rod 60 will touch the sliding slope of the second sliding button 61 6100, so that the second sliding button 61 can retract and squeeze the spring 620 so that the convex end 611 of the other end of the second sliding button 61 withdraws from the hole 710 of the hole seat 71 on the bottom cover 7 and the hole 800 of the hole seat 80 on the container cover 8, because the container The hole seat 80 of the cover 8 loses the catch of the convex end 611, so the main body 2 can be taken out conveniently.

Therefore, it can be seen from the above description that the start switch button on the food cooking machine of the present invention and the switch button detached from the main body part of the utility model are restrained from each other and cannot act at the same time. The safety is guaranteed, and the internal mechanism of the food processor will not be damaged or the user will be injured due to accidentally touching other switch buttons. It can indeed provide users with safer operation of the food processor, and the effect is already extremely high. Significantly improved and progressive, it can be called a new creation with extremely practical and innovative design.

In summary, the designs of this utility model are already progressive and industrially applicable, and the structural features of this utility model have not been published yet, so they are novel and meet the requirements of new patent requirements. , Yuan filed a new patent application in accordance with the law, I sincerely ask for the review and grant the patent as soon as possible, I really appreciate the convenience.

The above description is only a preferred feasible embodiment of the present utility model, and the scope of implementation of the present utility model cannot be limited with it, and all equivalent changes and modifications made according to the patent scope of the present utility model should still belong to this utility model. The scope covered by the utility model patent shall be declared here.

Claims (3)

1. A safety protection mechanism of a food processor is provided with an electric control switch device for starting a motor and a detaching switch device for detaching a main body from a container; it is characterized in that the preparation method is characterized in that,

the electric control switch device is characterized in that a hollow fixed seat is positioned in a main body and can be used for embedding a button, the bottom surface of the button is provided with an inclined convex body corresponding to the side of the switch device, the middle of the bottom surface is connected with a push rod extending downwards, the push rod is pushed by a spring, so that the electric control switch button has a lifting force, the electric control switch button is in a pressed state, and the bottom end of the push rod can control the motor to start;

the detaching switch device is characterized in that a fixed seat is fixed in a main body adjacent to the side of an oblique convex body, a clamping surface space is partitioned above the fixed seat, a baffle sheet can be embedded in the clamping surface space, the baffle sheet is pushed by a spring, so that a tongue piece at the side edge can be contacted with the oblique convex body, and through holes communicated with a vertical line are respectively formed in the baffle sheet and a fixed seat surface; the detaching switch button is positioned above the through hole of the blocking piece, can be touched by the outer side of the main body, is provided with a pressing convex body at the position corresponding to the through hole in the middle of the bottom surface of the detaching switch button, is pushed upwards by a spring, the bottom end of the pressing convex body is positioned above the through hole of the blocking piece, and the pressing convex body can pass through the through hole of the blocking piece and the fixed seat when the detaching switch button is in a pressed state, so that detaching control is generated on the lower main body and container combined structure;

when the button of the electric control switch device is in a pressed state, the through hole of the separation blade deviates from the through hole of the fixing seat of the detaching switch device, and the button of the detaching switch device cannot be pressed; the detaching switch button of the detaching switch device is in a pressing state, the bottom end of the pressing convex body can stretch into the separation blade and the perforation control main body of the fixing seat to detach from the container combined structure, and the tongue piece at the side edge of the separation blade is in top contact with the inclined convex body of the electric control switch device, so that the electric control switch button cannot be pressed down.

2. The safety protection mechanism of food processor as claimed in claim 1, wherein the bottom end of the push rod of the electrically controlled switch device controls a motor control device fixed in the main body for starting the motor, the motor control device uses a main support frame to position a motor control switch device, the motor control switch device is positioned with a motor brake switch and a motor start switch, and the touch ends of the two switches are opposite; a first connecting rod is pivoted on the main support frame, a contact end is arranged at one rod side of the first connecting rod and positioned between the touch ends of the two switches, one end of the first connecting rod is pushed by a spring, and the contact end is kept in contact with the touch end of the motor brake switch, so that the motor brake switch is kept in a conducting state; the other rod side of the first connecting rod is contacted with the bottom end of the push rod, and the push rod can push the first connecting rod to compress the spring to displace when the button is pressed down, so that the touch end of the first connecting rod is separated from the touch end of the motor brake switch and is contacted with the touch end of the motor start switch, and the motor is started.

3. The safety protection mechanism of food processor as claimed in claim 1 or 2, wherein the release switch device controls a release control mechanism located below for releasing the combined structure of the main body and the container, the release control mechanism is located inside the main body and has a second connecting rod which is vertically disposed and pushed upward by a spring, the top end of the second connecting rod faces a pressing protrusion of a button of the release switch device, the bottom end of the second connecting rod is provided with two pressing protrusions which are separately and correspondingly arranged, the bottom ends of the two pressing protrusions respectively correspond to two sets of slide buttons which are assembled on the bottom cover and have a horizontal sliding displacement function, the two slide buttons are arranged to form a clip angle shape, the top surface of the clip angle end of the two slide buttons is provided with a slide slope which is reversely controlled for the bottom end of the two pressing protrusions to be pressed, the clip angle end is provided with a slot hole for accommodating a spring, the included angle end of the two springs is blocked by a baffle plate fixed on the bottom cover, the two sliding buttons can be pushed outwards by the elasticity of the spring and have the force of displacement in the linear direction constantly towards the outside of the included angle; the end part far away from the included angle end of the two sliding buttons extends to form a convex pulling end, the bottom edge of the convex pulling end is in a pulling shape, the bottom cover opposite to the two convex pulling ends is provided with two holes with hole seats for the two convex pulling ends to extend and fix, the bottom surface of the hole seat is in a through hole shape, and the container cover arranged below the bottom cover is also provided with the hole seats and the holes corresponding to the same structure; the hole of the hole seat on the bottom cover can be used for embedding the hole of the hole seat on the container cover from bottom to top, the convex pulling end of the two sliding buttons is pushed by the elasticity of the spring to extend into the hole of the hole seat on the bottom cover under the condition that the two sliding buttons are not subjected to other external forces, the two hole seats of the container cover extend into the hole seat from bottom to top through the through hole below the hole seat of the bottom cover of the main body under the combined state of the container cover and the main body, and the convex pulling end of the sliding button is pushed by the restoring force of the spring to extend into the hole seat of the container cover, so that the main body, the bottom cover and the container cover are fixedly connected together; the lower part of the center of the container cover is assembled with a cutter seat, the side wall is provided with a food cooking chamber for food to be placed in, and the lower part is provided with a container for receiving food.

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