CN215198587U - Power-off protection device and food material cleaning machine - Google Patents

Abstract

The utility model discloses a power-off protection device and eat material cleaning machine. The power-off protection device comprises a shell, a safety cover, a stirring mechanism and an induction switch; the shell is provided with an accommodating cavity; the safety cover is provided with a protection cavity, and the safety cover is detachably arranged in the accommodating cavity; the stirring mechanism is arranged in the protective cavity; the inductive switch is arranged on the inner wall of the containing cavity and between the safety covers, the inductive switch is electrically connected with the stirring mechanism, and the inductive switch can sense the safety covers or the inner wall of the containing cavity. The utility model provides a pair of power-off protection device can improve the device security in the automatic break-off circuit behind the dismantlement safety guard.

Description

Power-off protection device and food material cleaning machine

Technical Field

The utility model relates to an eat material washing technical field, in particular to power-off protection device and eat material cleaning machine.

Background

Some current net machines of eating are equipped with impeller, through impeller's rotation, stir the washing liquid in the net machine of eating, make washing liquid evenly distributed eat the material surface to in order to protect eating the material not damaged by impeller contact, impeller department cover is equipped with the safety guard, separates impeller and edible material. And in some times, after the safety cover is disassembled and taken out, the motor still drives the stirring impeller to rotate and cannot be stopped immediately, so that danger is easily caused.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a power-off protection device can improve the device security in the automatic disconnection circuit after dismantling the safety guard.

The utility model discloses still provide an edible material cleaning machine that has above-mentioned power protection device.

According to the utility model discloses a power-off protection device of the embodiment of the first aspect, including casing, safety guard, rabbling mechanism and inductive switch; the shell is provided with an accommodating cavity; the safety cover is provided with a protection cavity, and the safety cover is detachably arranged in the accommodating cavity; the stirring mechanism is arranged in the protective cavity; the inductive switch is arranged on the inner wall of the containing cavity and between the safety covers, the inductive switch is electrically connected with the stirring mechanism, and the inductive switch can sense the safety covers or the inner wall of the containing cavity.

According to the utility model discloses power-off protection device has following beneficial effect at least: the containing cavity is used for containing cleaning liquid and food materials, and the stirring mechanism and the food materials are separated by the safety cover, so that the stirring impeller is prevented from damaging the food materials; when the safety cover is assembled in the accommodating cavity, the induction switch inducts the inner wall of the safety cover or the accommodating cavity and processes related electric signals to connect a circuit, so that the stirring mechanism can normally operate; and in some times, for example, the stirring mechanism needs to be cleaned and maintained, and when the stirring mechanism is not closed, after the safety cover is detached and separated, the sensing switch cannot sense the existence of the inner wall of the safety cover or the accommodating cavity, and the circuit is disconnected by processing related electric signals, so that the stirring mechanism stops running, the stirring machine is prevented from being constructed to be dangerous, and the safety of the device is improved.

According to some embodiments of the present invention, the inductive switch is set as a proximity switch, and the proximity switch is fixed to the safety cover or on the inner wall of the accommodating chamber.

According to some embodiments of the utility model, proximity switch is magnetic induction formula proximity switch, still include with the trigger of magnetic induction formula proximity switch looks adaptation, magnetic induction formula proximity switch with one of the two of trigger is located on the safety guard, another is located the inner wall in holding chamber.

According to the utility model discloses a some embodiments, the bottom in holding chamber is equipped with the stirred tank, the stirred tank is located to rabbling mechanism, the safety guard insert locate the stirred tank, the lateral wall of safety guard with the two one of them of lateral wall of stirred tank is equipped with the lug, and another is equipped with the spinner, the spinner with the lug joint cooperation.

According to some embodiments of the utility model, the spinner is equipped with the draw-in groove, the lug joint in the draw-in groove, the diapire of draw-in groove with the two one of them of diapire of lug is equipped with the bellying, another be equipped with bellying complex recess.

According to the utility model discloses a some embodiments, be equipped with the mounting groove on the lateral wall of safety guard, inductive switch inserts to establish and is fixed in the mounting groove.

According to some embodiments of the present invention, the side wall of the safety cover is provided with a limiting block, the bottom of the accommodating cavity is provided with a limiting groove, the limiting groove is arranged at the periphery of the stirring groove and is communicated with the stirring groove, and the limiting block is matched with the limiting groove; when the limiting block is close to one end of the limiting groove, the lug is matched with the rotary buckle; when the limiting block is close to the other end of the limiting groove, the lug is separated from the rotary buckle.

According to some embodiments of the utility model, be equipped with a plurality of limbers on the safety guard.

According to the utility model discloses a some embodiments, rabbling mechanism includes output shaft and impeller, the output shaft is located the bottom in holding chamber, the output shaft with impeller connects and can drive impeller rotates, impeller with the output shaft is located the protection intracavity.

According to the utility model discloses an edible material cleaning machine of second aspect embodiment, include the utility model discloses the power protection device of above-mentioned first aspect embodiment.

According to the utility model discloses eat material cleaning machine has following beneficial effect at least: when the safety cover is assembled in the accommodating cavity, the induction switch inducts the inner wall of the safety cover or the accommodating cavity and processes related electric signals to connect a circuit, so that the stirring mechanism can normally operate; and in some times, for example, the stirring mechanism needs to be cleaned and maintained, and when the stirring mechanism is not closed, after the safety cover is detached and separated, the sensing switch cannot sense the existence of the inner wall of the safety cover or the accommodating cavity, and the circuit is disconnected by processing related electric signals, so that the stirring mechanism stops running, the stirring machine is prevented from being constructed to be dangerous, and the safety of the device is improved.

Additional aspects and advantages of the invention 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 invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic diagram of a power-off protection device according to an embodiment of the present invention;

FIG. 2 is a schematic view of a housing of one of the power fail safe apparatus shown in FIG. 1;

fig. 3 is a schematic view of a safety cover of a power outage protection device shown in fig. 1.

Reference numerals:

the stirring device comprises a shell 100, an accommodating cavity 110, a stirring groove 120, a limiting groove 130, a bump 140, a protruding part 141, a safety cover 200, a water through hole 210, a turn buckle 220, a clamping groove 221, a groove 222, a mounting groove 230, a protection cavity 240, a limiting block 250, an inductive switch 300, a stirring mechanism 400, a stirring impeller 410 and an output shaft 420.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

As shown in fig. 1, a power-off protection device according to an embodiment of the first aspect of the present invention includes a housing 100, a safety cover 200, a stirring mechanism 400, and an inductive switch 300; the housing 100 is provided with an accommodating cavity 110; the safety cover 200 is provided with a protection cavity 240, and the safety cover 200 is detachably arranged in the accommodating cavity 110; the stirring mechanism 400 is arranged in the protected cavity 240; the inductive switch 300 is disposed between the inner wall of the accommodating chamber 110 and the safety cover 200, the inductive switch 300 is electrically connected to the stirring mechanism 400, and the inductive switch 300 can sense the inner wall of the safety cover 200 or the accommodating chamber 110.

Specifically, the accommodating cavity 110 is used for accommodating cleaning liquid and food materials, and the stirring mechanism 400 and the food materials are separated by the safety cover 200, so that the stirring impeller 410 is prevented from damaging the food materials; the inductive switch 300 is disposed between the inner wall of the accommodating chamber 110 and the safety cover 200, and can be fixed on the latter safety cover 200 on the inner wall of the accommodating chamber 110, when the inductive switch 300 is fixed on the inner wall of the accommodating chamber 110, the inductive switch can sense the safety cover 200 correspondingly, and when the inductive switch 300 is fixed on the safety cover 200, the inductive switch can sense the inner wall of the accommodating chamber 110 correspondingly.

When the safety cover 200 is assembled in the accommodating cavity 110, the inductive switch 300 inducts the inner wall of the safety cover 200 or the accommodating cavity 110 and processes the relevant electric signals to connect the circuit, so that the stirring mechanism 400 can normally operate; and at some times, for example, when the stirring mechanism 400 needs to be cleaned and maintained, and the stirring mechanism 400 is not closed, after the safety cover 200 is detached and separated, the inductive switch 300 cannot sense the existence of the safety cover 200 or the inner wall of the accommodating cavity 110, and the circuit is disconnected by processing the related electric signal, so that the stirring mechanism 400 stops running, the stirring mechanism 400 is prevented from causing danger, and the safety of the device is improved.

Further, in some embodiments of the present invention, the inductive switch 300 is configured as a proximity switch, and the proximity switch is fixed on the inner wall of the safety cover 200 or the accommodating chamber 110. The proximity switch is a conventional type of the proximity switch 300, and may be specifically a capacitive proximity switch, a hall proximity switch, a photoelectric proximity switch, or the like, and may sense without mechanically contacting with a sensing object, and form different electrical signals by sensing a distance change between the sensing object and the proximity switch, and may connect or disconnect a circuit according to the corresponding electrical signals, so as to achieve the effect of automatically switching the stirring mechanism 400.

Of course, it is easily conceivable that in other embodiments, the inductive switch 300 may also be a common push switch, for example, the push switch is fixed on the bottom wall of the accommodating cavity 110 and located at the connection position between the safety cover 200 and the bottom wall of the accommodating cavity 110, when the safety cover 200 is assembled, the bottom surface of the safety cover 200 presses the push switch, so that the circuit between the push switch and the stirring mechanism 400 is connected, and the stirring mechanism 400 can be started or stopped arbitrarily by cooperating with an external switch element; when the safety cover 200 is detached and separated, the push switch automatically resets to open the circuit between the push switch and the stirring mechanism 400, so that the stirring mechanism 400 is forcibly stopped, the risk that the stirring mechanism 400 damages external objects is reduced, and the safety of the device is improved.

Further, in some embodiments of the present invention, the proximity switch is a magnetic induction proximity switch, and further includes a trigger adapted to the magnetic induction proximity switch, one of the magnetic induction proximity switch and the trigger is disposed on the safety cover 200, and the other is disposed on the inner wall of the accommodating chamber 110. The magnetic induction type proximity switch is a common inductive switch 300, and the working principle of the magnetic induction type proximity switch is that when a magnetic or iron trigger is close to a switching magnetic field of the magnetic induction type proximity switch, the magnetic or iron trigger is controlled to be closed under the action of internal magnetic force to enable a circuit to be connected, so that the trigger can be set to be a magnet or a pure iron block, wherein the magnetic induction type proximity switch can be set and fixed on a safety cover 200, the trigger can be fixed on the bottom wall or the side wall of a containing cavity 110, after the safety cover 200 is assembled, the distance between the magnetic induction type proximity switch and the trigger reaches the nearest distance, and the magnetic induction type proximity switch can sense the trigger, so that a specific signal can be configured and output, the circuit can be connected according to the signal, and the normal operation of the stirring mechanism 400 is ensured; after the safety cover 200 is removed, the magnetic induction type proximity switch cannot sense the starting device, so another signal can be configured to be output, and the circuit is disconnected according to the signal, so that the stirring mechanism 400 is powered off forcibly. Of course, the positions of the magnetic induction proximity switch and the trigger can be interchanged, that is, the magnetic induction proximity switch is fixed on the bottom or the side wall of the accommodating cavity 110, and the trigger is fixed on the safety cover 200, which has the same effect as above.

It is understood that, in the above embodiment, the magnetic induction type proximity switch may be replaced by a hall proximity switch, the trigger is a magnet, when the magnetic object moves close to the hall switch, the hall element on the switch detection surface changes the state of the internal circuit of the switch due to the hall effect, so as to recognize the existence of the magnetic object nearby, and then control the on or off of the switch. Based on the above principle, the effect of automatically powering off the stirring mechanism 400 along with the detachment of the safety cover 200 can also be achieved.

In some embodiments of the utility model, as shown in fig. 2 and 3, the bottom of holding chamber 110 is equipped with stirred tank 120, stirred tank 120 is located to rabbling mechanism 400, safety guard 200 is inserted and is located stirred tank 120, lateral wall with stirred tank 120 is equipped with lug 140, the lateral wall of safety guard 200 is equipped with spinner 220, spinner 220 and lug 140 joint cooperation, through lug 140 and spinner 220's joint, fix safety guard 200 in stirred tank 120, realize being connected with dismantling of holding chamber 110 inner wall of safety guard 200, when dismantling safety guard 200, through directionally rotating certain distance with safety guard 200, make lug 140 break away from the cooperation with spinner 220, break away from safety guard 200 again and stirred tank 120 can accomplish the dismantlement. Of course, the positions of the protrusion 140 and the rotation button 220 can be interchanged, that is, the protrusion 140 is disposed on the outer side wall of the safety cover 200, and the rotation button 220 is disposed on the side wall of the mixing tank 120, which can also form a snap fit.

In some embodiments of the utility model, as shown in fig. 3, the turn-buckle 220 is equipped with the draw-in groove 221, and lug 140 joint is in draw-in groove 221, and the diapire of lug 140 is equipped with bellying 141, and the diapire of draw-in groove 221 is equipped with bellying 141 complex recess 222, and through bellying 141 and recess 222 cooperation, the increase turn-buckle 220 and the area of contact of lug 140, consolidate the joint of turn-buckle 220 and lug 140 and fix, improve the stability of being connected of safety guard 200 and holding chamber 110 inner wall.

In some embodiments of the present invention, as shown in fig. 3, a mounting groove 230 is disposed on an outer sidewall of the safety cover 200, the inductive switch 300 is inserted into and fixed to the mounting groove 230, which facilitates the assembly and fixation of the inductive switch 300, in combination with some embodiments described above, the inductive switch 300 is configured as a magnetic inductive proximity switch, and is assembled in the mounting groove 230, the trigger can be embedded in an inner wall of the stirring tank 120, when the safety cover 200 is inserted into the stirring tank 120, and the rotary buckle 220 is engaged with the bump 140 by rotation to form a fit, so that the safety cover 200 is fixed, the magnetic inductive proximity switch just faces the trigger, and the magnetic inductive proximity switch can sense the trigger, thereby enabling the magnetic inductive proximity switch to switch on a circuit according to a corresponding signal, and ensuring the normal operation of the stirring mechanism 400; on the contrary, when the safety cover 200 needs to be disassembled, the safety cover 200 is rotated reversely to disengage the turnbuckle 220 from the protrusion 140, and meanwhile, the magnetic induction type proximity switch cannot sense the trigger, so that the magnetic induction type proximity switch disconnects the circuit according to the corresponding signal, and the stirring mechanism 400 is forced to stop operating.

In some embodiments of the present invention, as shown in fig. 2 and fig. 3, the side wall of the safety cover 200 is provided with a limiting block 250, the bottom of the accommodating cavity 110 is provided with a limiting groove 130, the limiting groove 130 is disposed at the periphery of the stirring groove 120 and is communicated with the stirring groove 120, and the limiting block 250 is matched with the limiting groove 130; wherein, when the limiting block 250 is close to one end of the limiting groove 130, the bump 140 is matched with the turn buckle 220; when the stopper 250 approaches the other end of the stopper groove 130, the protrusion 140 and the turn buckle 220 are disengaged. Through setting up stopper 250 and spacing groove 130, make safety guard 200 when the assembly or dismantle the rotation of a predetermined amount of angle, the rotation stroke restriction is in spacing groove 130, avoids excessively rotating, further simplifies and has made things convenient for safety guard 200's dismouting process.

In some embodiments of the present invention, as shown in fig. 3, the safety cover 200 is provided with a plurality of water holes 210, so that the liquid in the accommodating chamber 110 can enter the safety cover 200 through the water holes 210, and the stirring mechanism 400 can stir the liquid.

In some embodiments of the present invention, as shown in fig. 1, the stirring mechanism 400 includes an output shaft 420 and a stirring impeller 410, the output shaft 420 is disposed at the bottom of the accommodating chamber 110, the output shaft 420 is connected to the stirring impeller 410 and can drive the stirring impeller 410 to rotate, and the stirring impeller 410 and the output shaft 420 are located in the protection chamber 240. The output shaft 420 may be an output shaft 420 of a motor, the motor may be fixed outside the casing 100, and one end of the output shaft 420 penetrates through the side wall of the casing 100 to enter the accommodating cavity 110 and is connected to the stirring impeller 410 to drive the stirring impeller 410 to rotate.

According to the utility model discloses an edible material cleaning machine of second aspect embodiment, include the utility model discloses the power protection device of above-mentioned first aspect embodiment.

When the safety cover 200 is assembled in the accommodating cavity 110, the inductive switch 300 inducts the inner wall of the safety cover 200 or the accommodating cavity 110 and processes the relevant electric signals to connect the circuit, so that the stirring mechanism 400 can normally operate; and at some times, for example, when the stirring mechanism 400 needs to be cleaned and maintained, and the stirring mechanism 400 is not closed, after the safety cover 200 is detached and separated, the inductive switch 300 cannot sense the existence of the safety cover 200 or the inner wall of the accommodating cavity 110, and the circuit is disconnected by processing the related electric signal, so that the stirring mechanism 400 stops running, the stirring mechanism 400 is prevented from causing danger, and the safety of the device is improved.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The present embodiment has been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above-described embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the present invention.

Claims (10)

1. A power-off protection device, comprising:

the shell (100), the shell (100) is provided with an accommodating cavity (110);

the safety cover (200), the safety cover (200) is provided with a protection cavity (240), and the safety cover (200) is detachably arranged in the accommodating cavity (110);

the stirring mechanism (400), the stirring mechanism (400) is arranged in the protection cavity (240);

the induction switch (300), induction switch (300) locate the inner wall of holding chamber (110) with between safety guard (200), induction switch (300) with rabbling mechanism (400) electricity is connected, induction switch (300) can respond to safety guard (200) or the inner wall of holding chamber (110).

2. A power-off protection device according to claim 1,

the inductive switch (300) is a proximity switch, and the proximity switch is fixed on the inner wall of the safety cover (200) or the accommodating cavity (110).

3. A power down protection device according to claim 2,

proximity switch is magnetic induction formula proximity switch, still include with the trigger of magnetic induction formula proximity switch looks adaptation, magnetic induction formula proximity switch with both one of the trigger is located on safety guard (200), and another is located the inner wall of holding chamber (110).

4. A power-off protection device according to claim 1,

the bottom in holding chamber (110) is equipped with stirred tank (120), stirred tank (120) are located in rabbling mechanism (400), safety guard (200) are inserted and are located stirred tank (120), the lateral wall of safety guard (200) with one of the two lateral walls of stirred tank (120) is equipped with lug (140), and another is equipped with and revolves knot (220), revolve knot (220) with lug (140) joint cooperation.

5. A power down protection device according to claim 4,

the rotary buckle (220) is provided with a clamping groove (221), the bump (140) is clamped in the clamping groove (221), one of the bottom wall of the clamping groove (221) and the bottom wall of the bump (140) is provided with a protruding part (141), and the other is provided with a groove (222) matched with the protruding part (141).

6. Power-off protection device according to claim 4 or 5,

the outer side wall of the safety cover (200) is provided with a mounting groove (230), and the induction switch (300) is inserted and fixed in the mounting groove (230).

7. A power down protection device according to claim 4,

the side wall of the safety cover (200) is provided with a limiting block (250), the bottom of the accommodating cavity (110) is provided with a limiting groove (130), the limiting groove (130) is arranged on the periphery of the stirring groove (120) and communicated with the stirring groove (120), and the limiting block (250) is matched with the limiting groove (130); when the limiting block (250) is close to one end of the limiting groove (130), the lug (140) is matched with the rotary buckle (220); when the limiting block (250) is close to the other end of the limiting groove (130), the lug (140) is disengaged from the rotary buckle (220).

8. A power-off protection device according to claim 1,

the safety cover (200) is provided with a plurality of water through holes (210).

9. A power-off protection device according to claim 1,

the stirring mechanism (400) comprises an output shaft (420) and a stirring impeller (410), the output shaft (420) is arranged at the bottom of the accommodating cavity (110), the output shaft (420) is connected with the stirring impeller (410) and can drive the stirring impeller (410) to rotate, and the stirring impeller (410) and the output shaft (420) are located in the protection cavity (240).

10. A food material washing machine, comprising:

a power fail safe apparatus as claimed in any one of claims 1 to 9.

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