CN210138089U

CN210138089U - Grinding device

Info

Publication number: CN210138089U
Application number: CN201822063628.2U
Authority: CN
Inventors: 赵胜飞
Original assignee: Shenzhen Shuangying Electronic Technology Co Ltd
Current assignee: Shenzhen Shuangying Electronic Technology Co Ltd
Priority date: 2018-12-10
Filing date: 2018-12-10
Publication date: 2020-03-13
Anticipated expiration: 2028-12-10

Abstract

The utility model discloses a grinding device, grinding device includes main part and cover, and the main part includes the base, sets up in plug, drive arrangement, the grinding piece of base, grind the piece set up in the top of base, the cover is located the base is with the shroud grind the piece, drive arrangement set up in the base, the plug with the drive arrangement electricity is connected, the plug is used for pegging graft so that electronic equipment provides driving voltage with electronic equipment's jack and gives drive arrangement, drive arrangement is used for the drive grind the piece rotation and grind. The utility model discloses dwindled the volume of machine of grinding, can grind the spices of few weight. And the grinder can be directly powered by the mobile terminal without installing an additional power supply device, so that the grinder is convenient to use and carry.

Description

Grinding device

Technical Field

The utility model relates to a grinding apparatus especially relates to a grinder.

Background

At present, the pursuit of taste is not only satisfied with sweet, salty, sour and spicy, but also the unique fragrance of the spice can not be wanted by eaters. The traditional spice grinding can be carried out by manually grinding through a garlic mortar, but the manual grinding is time-consuming and labor-consuming, and if the grinding is not carried out for a long time, the grinding is insufficient. Therefore, more and more people use the electric grinder, so that a large amount of spices can be ground simultaneously, the ground spice powder is finer and smoother, and the grinding speed is higher. However, most of the existing grinding machines are large-sized machines and are inconvenient to carry.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, one of the objects of the present invention is to provide a portable grinding device

The grinding device comprises a main body and a cover, wherein the main body comprises a base, a plug arranged on the base, a driving device and a grinding piece, the grinding piece is arranged on the top of the base, the cover is arranged on the base to cover the grinding piece, the driving device is arranged in the base, the plug is electrically connected with the driving device, the plug is used for being plugged with a power jack of electronic equipment so as to enable the electronic equipment to provide driving voltage for the driving device, and the driving device is used for driving the grinding piece to rotate for grinding.

Further, the plug is arranged on the side wall of the base and horizontally extends from the side wall of the base.

Further, the one end that the base was kept away from to the plug is equipped with the cavity, and encloses into the lateral wall of cavity, the lateral wall includes two relative first lateral walls that set up and two relative second lateral walls that set up, one first lateral wall two sides that back on the back of the body are equipped with first plug pin and second plug pin respectively, first plug pin is located the surface of first lateral wall, second plug pin is located the internal surface of first lateral wall and with another first lateral wall sets up relatively, first plug pin with second plug pin adaptation different grade type power jack respectively, so that the plug establishes the electricity with the power jack of two kinds of different grade types and is connected.

Furthermore, the first plug pin is matched with a lightning power jack, and the second plug pin is matched with a Micro-USB power jack.

Further, the plug further comprises a mainboard, the mainboard comprises a first plug circuit and a second plug circuit, the first plug circuit and the second plug circuit are in one-to-one correspondence with the first plug pin and the second plug pin respectively, the first plug circuit and the second plug circuit are both electrically connected with the driving device, and the first plug or the second plug circuit correspondingly acquires driving voltage from the electronic device through the first plug pin or the second plug pin respectively and supplies power to the driving device respectively.

Furthermore, the first plug circuit comprises a lightning interface chip and a power taking circuit which are electrically connected, the power taking circuit is electrically connected with the driving device, when a first plug pin is plugged into a lightning jack of the electronic equipment, the lightning interface chip triggers the power taking circuit to generate a power taking signal, and the power taking signal is sent to the electronic equipment through the lightning interface chip and a corresponding pin to trigger the electronic equipment to output the driving voltage; the driving voltage is output to the lighting interface chip through the corresponding pin, the lighting interface chip outputs the driving voltage to the power taking circuit, and the power taking circuit outputs the output voltage to the driving device.

Furthermore, the first plug circuit further comprises a first diode, the power taking circuit comprises an ASB-251 chip, an anode of the first diode is electrically connected to the output end of the lighting interface chip, and a cathode of the first diode is electrically connected to the power input end of the power taking circuit.

Furthermore, the first plug circuit further comprises a filter circuit, the filter circuit comprises a first capacitor and a first resistor, and an anode of the first capacitor is electrically connected to a power input end of the power taking circuit and a signal output end of the lightning interface; the negative electrode of the first capacitor is grounded, and one end of the first resistor is electrically connected to the positive electrode of the first capacitor and the input end of the power taking circuit.

Furthermore, the first plug circuit further comprises a counterattack circuit, wherein the counterattack circuit is electrically connected between the power taking circuit and the lightning interface chip and used for preventing interference signals from entering the power taking circuit and the lightning interface chip.

Further, the counterattack circuit comprises a bonding pad, a second diode and a second capacitor; the bonding pad comprises a first contact pin and a second contact pin, the first contact pin is electrically connected to the cathode of the second diode, and the second contact pin is grounded; the positive electrode of the second diode is electrically connected with the positive electrode of the first diode and the signal output end of the lightning interface chip, the positive electrode of the second capacitor is electrically connected with the negative electrode of the second diode, and the negative electrode of the second capacitor is grounded.

Compared with the prior art, the beneficial effects of the utility model reside in that: the volume of the grinder is reduced, and a small amount of spice can be ground. And the grinder can be directly powered by the mobile terminal without installing an additional power supply device, so that the grinder is convenient to use and carry.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;

fig. 2 is a schematic plug diagram of a first embodiment of the present invention;

fig. 3 is a schematic structural diagram of a plug according to a first embodiment of the present invention;

fig. 4 is a schematic circuit diagram of a main board of the plug according to the first embodiment of the present invention;

in the figure: 1. a main body; 11. a plug; 111. a first plug pin; 112. a second plug pin; 113. a chamber; 12. a base; 13. a rotating shaft; 14. a grinding member; 141. a first abrasive blade; 142. a second abrasive blade; 2. a cover; 21. a top cover; 22. a cover body; 23. an article placing part; 31. a first side wall; 32. a second side wall; 4. a first plug circuit; 5. a second plug circuit.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments described below or technical features thereof may be arbitrarily combined to form a new embodiment without conflict.

The utility model provides a grinding device, this grinding device portable only needs to use the mobile terminal who hand-carries just can regard as power supply unit to grinding device is used for connecting power supply unit's a plug, can support the power supply unit of two kinds of different interface types simultaneously. The portability is greatly improved.

Referring to fig. 1, fig. 1 is a schematic structural diagram of a polishing apparatus according to a first embodiment of the present invention. The grinding device comprises a main body 1 and a cover 2. The main body 1 includes a base 12, a plug 11 provided on the base 12, a driving device, and a polishing member 14. Wherein, the grinding member 14 is disposed on the top of the base 12, the plug 11 is disposed on the base 12, and the cover 2 is disposed on the base 12 to cover the grinding member 14. The driving device is arranged in the base 12, the plug 11 is electrically connected with the driving device, and the plug 11 is used for being plugged with a power jack of the electronic equipment so that the electronic equipment provides corresponding driving voltage for the driving device. The driving device is used for driving the grinding piece 14 to rotate for grinding. In this embodiment, the electronic device plugged into the plug 11 may be a smart device such as a smart phone or a tablet computer. The power jack of the electronic equipment using the IOS operating system is a lightning power jack, and the power jack of the electronic equipment using the android operating system is a Micro usb power jack.

In this embodiment, the cover 2 includes a top cover 21 and a cover body 22. The cover 22 is disposed on top of the base 12. The abrasive article 14 is located within the housing. The top cover 21 is detachably mounted on the cover body 22, and when the top cover 21 is mounted on the cover body 22, the grinding member 14 is sealed in the cover body 22, so that the grinding device can avoid the splashing of the spice and the loss in the grinding process. Preferably, the material used for the cover 22 is transparent glass to allow the grinding of the interior to be clearly seen. The top cover 21 is further provided with an article placing part 23, the article placing part 23 is formed by a movable flip cover, and the spice material can be placed into the cover body through the article placing hole.

The grinding member 14 includes a rotating shaft 13, a first grinding blade 141 and a second grinding blade 142, the first grinding blade 141 and the second grinding blade 142 are disposed to intersect, and a cross-shaped intersection of the first grinding blade 141 and the second grinding blade 14 is fixed to the rotating shaft 13. Both ends of the first abrasive tip 141 are bent in a first direction, and both ends of the second abrasive tip 141 are bent in a second direction, the first direction and the second direction being opposite. The rotating shaft 13 is fixed to a motor M, and the motor M drives the rotating shaft 13 to rotate so as to drive the grinding member 14 to rotate. The grinding device can effectively grind the spice. Preferably, the motor M is a permanent magnet motor which is small in size, light in weight, high in efficiency, good in characteristics, easy to drive and capable of improving portability of the grinding device.

Referring to fig. 2-3, fig. 2-3 are schematic diagrams of a plug and a plug structure according to a first embodiment of the present invention; in the present embodiment, the plug 11 is disposed on a sidewall of the base 12 and horizontally extends from the sidewall of the base 12. The plug 11 is fixedly connected to the side wall, when the grinding device is used, the plug 11 is plugged into a power supply jack of the electronic equipment, so that the electronic equipment is stably connected with the grinding device, and the grinding device and the electronic equipment are stably powered in the grinding process. The end of the plug 11 remote from the base of the grinding device is surrounded by a side wall to form a chamber 113. The side walls of the plug 11 include two pairs of oppositely disposed side walls, respectively two oppositely disposed first side walls 31, and two second side walls 32 connecting the two first side walls 31. The four sidewalls enclose a chamber 113. The front and back surfaces of one of the first side walls 31 are provided with a first plug pin 111 and a second plug pin 112. The first plug pin 111 is located on a side of the first sidewall 31 away from the cavity 113, and the second plug pin 112 is located on an inner surface of the first sidewall 31 opposite to the other first sidewall 31. The two second side walls 32 separate the two first side walls 31 to form a cavity 113 that can receive the second plug pins 112. Several pins of the first plug pins 111 and several pins of the second plug pins 112 are flush with the port of the plug.

In the present embodiment, the first connector pins 111 are matched with the lightning power socket, and 8 pins of the first connector pins 111 correspond to the lightning power socket pins. The second plug pin 112 matches with the micro-USB power jack, and 5 pins of the second plug pin 112 correspond to the micro-USB power jack pins. An insulating material is arranged between the first plug pin 111 and the second plug pin 112, so that the first plug pin 111 and the second plug pin 112 are insulated. The first plug pin 111 is located on the outer surface of the jack 11, and when the electronic device using the lightning power jack supplies power, the lightning power jack pin is located on the hole wall of the power jack, so that the first plug pin 111 located on the outer surface of the first sidewall 31 can be directly connected to the lightning power jack. The second plug pin 112 is located in the cavity, the surface of the second plug pin 112 is also far away from the surface of the first plug pin 111, when the electronic device using the micro-o-USB power jack supplies power, the micro-o-USB power jack pin is located on an extension part extending from the bottom of the power jack, and the pin on the extension part is parallel to the hole wall and is matched with the pin position of the second plug pin 112. While the second side wall 32 forms the plug 13 with a thickness smaller than the power jack so as to be inserted into the power jack. In some embodiments, the other first side wall 31 is provided with a falling-off prevention structure, so that the plug 13 can enter the power supply jack through the elastic clamping piece and be fixed in the power supply jack through the elastic action. The plug 13 has the first plug pin 111 and the second plug pin 112 at the same time, so that different electronic devices can be directly plugged without replacing accessories, and more requirements are met.

Referring to fig. 4, fig. 4 is a schematic circuit diagram of a main board of a plug according to a first embodiment of the present invention, in this embodiment, the plug 13 further includes a main board, and the main board includes a first plug circuit 4 and a second plug circuit 5. The first plug pin 111 of the plug is electrically connected to the first plug circuit 4, and the electronic device is a lightning power jack, connected to the first plug circuit 4, and provides electric energy for the driving device through the first plug circuit 4. The second connector pin 112 is electrically connected to the second connector circuit 5. When the electronic device is a Micro-USB power jack, the second plug pin 112 is connected, and the second plug circuit 5 provides electric energy for the driving device.

The first plug circuit 4 includes a lightning interface chip and a power-taking circuit U1 electrically connected to each other, and the power-taking circuit is electrically connected to the driving device. The power taking circuit U1 comprises an ASB-251 chip. When the first plug pin 111 is plugged into a lightning jack of the electronic device, the lightning interface chip triggers the power taking circuit to generate a power taking signal, and the power taking signal is sent to the electronic device from a corresponding pin through an SB interface of the lightning interface chip to trigger the electronic device to output a driving voltage. The driving voltage is output to a DP pin of the power taking circuit through a D + pin of the lightning interface chip. The DP pin is electrically connected with the driving device, and outputs voltage to drive the driving device to grind. Specifically, the DQ interface of the power taking circuit is connected with the SB interface of the lighting interface chip, and the ASB-251 chip of the power taking circuit provides an apple communication protocol handshaking signal for the electronic equipment to complete the power taking request of the grinding device for the electronic equipment.

In this embodiment, the first plug circuit 4 further includes a first diode D1, an output terminal pin SA of the lightning interface chip is electrically connected to an anode of the first diode D1, and the first diode D1 is electrically connected to a power input terminal VDD of the power supply circuit U1. A filter circuit is further disposed between the first diode D1 and the power-taking circuit U1, wherein an anode of a first capacitor C1 of the filter circuit is electrically connected to the power-taking circuit U1 and the pin SA of the lightning interface chip, and a cathode of the first capacitor C1 is grounded. The first resistor R1 is connected in parallel across the first capacitor C1.

The first plug circuit 4 further includes a counterattack circuit, and the counterattack circuit is connected between the power taking circuit U1 and the lightning interface chip. The kickback circuit includes a pad P1, a second diode D2, and a second capacitor C2. The anode of the second diode D2 is electrically connected to the pin SA of the lightning interface chip, and the cathode of the second diode D2 is electrically connected to the first contact pin of the pad P1. Wherein the second contact pin of the pad P1 is grounded. The anode of the second capacitor C2 is electrically connected to the cathode of the second diode D2, and the cathode is grounded. The back-striking circuit can conduct the excessive current to the ground, and the current-blocking function of the second diode D2 prevents the reverse current from damaging the lightning interface chip or the power-taking circuit U1. In this embodiment, the main board further has a fuse R2, an interface of the fuse R2 is electrically connected to the SA pin of the lighting interface chip, and the other end of the fuse R2 is connected to the anode of the first diode D1 and the anode of the second diode D2, respectively, and the fuse R2 is a self-recovery fuse, which protects the circuit and can be reused many times.

In the

second plug circuit

5, 5 pins of the second plug pins 112 are electrically connected to the second plug circuit, wherein the ID pin of the second plug pins 112 is connected to the ground pin GND. When the Micro-USB power supply jack is connected with an electronic equipment jack of the Micro-USB power supply jack, the ID pin is connected with the grounding pin GND, the electronic equipment of the Micro-USB power supply jack is acquiescent as power output equipment when being plugged with the grinding device, and the second plug pin 112 gets electricity from the electronic equipment and transmits the electricity to the second plug circuit 5. The VDD interface of the second plug pin 112 is connected to the motor M through the second plug circuit 5 to drive the driving device to grind.

The utility model discloses dwindled the volume of machine of grinding, can grind the spices of few weight. And the grinder can be directly powered by the mobile terminal without installing an additional power supply device, so that the grinder is convenient to use and carry.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. The grinding device is characterized by comprising a main body and a cover, wherein the main body comprises a base, a plug arranged on the base, a driving device and a grinding piece, the grinding piece is arranged on the top of the base, the cover is arranged on the base to cover the grinding piece, the driving device is arranged in the base, the plug is electrically connected with the driving device, the plug is used for being plugged with a power jack of electronic equipment so that the electronic equipment provides driving voltage for the driving device, and the driving device is used for driving the grinding piece to rotate for grinding.

2. The polishing apparatus as set forth in claim 1 wherein the plug is disposed on and extends horizontally from a sidewall of the base.

3. The grinding device as claimed in claim 2, wherein a cavity is formed at one end of the plug, which is far away from the base, and side walls enclosing the cavity, the side walls include two oppositely-arranged first side walls and two oppositely-arranged second side walls, a first plug pin and a second plug pin are respectively arranged on two opposite sides of one first side wall, the first plug pin is located on the outer surface of the first side wall, the second plug pin is located on the inner surface of the first side wall and is opposite to the other first side wall, and the first plug pin and the second plug pin are respectively matched with different types of power jacks, so that the plug is electrically connected with the two different types of power jacks.

4. The polishing apparatus as recited in claim 3, wherein said first plug pin mates with a lightning power socket and said second plug pin mates with a Micro-USB power socket.

5. The polishing apparatus as recited in claim 4, wherein the plug further comprises a main board, the main board comprises a first plug circuit and a second plug circuit, the first plug circuit and the second plug circuit correspond to the first plug pin and the second plug pin respectively, the first plug circuit and the second plug circuit are both electrically connected to the driving apparatus, and the first plug or the second plug circuit respectively obtains a driving voltage from the electronic device through the first plug pin or the second plug pin and respectively supplies power to the driving apparatus.

6. The polishing apparatus as claimed in claim 5, wherein the first plug circuit includes a lightning interface chip and a power-taking circuit electrically connected to each other, the power-taking circuit is electrically connected to the driving apparatus, when the first plug pin is plugged into the lightning jack of the electronic device, the lightning interface chip triggers the power-taking circuit to generate a power-taking signal, and the power-taking signal is sent to the electronic device through the lightning interface chip and the corresponding pin to trigger the electronic device to output the driving voltage; the driving voltage is output to the lighting interface chip through the corresponding pin, the lighting interface chip outputs the driving voltage to the power taking circuit, and the power taking circuit outputs the output voltage to the driving device.

7. The polishing apparatus as claimed in claim 6, wherein the first plug circuit further comprises a first diode, the power-taking circuit comprises an ASB-251 chip, an anode of the first diode is electrically connected to the output terminal of the lighting interface chip, and a cathode of the first diode is electrically connected to the power input terminal of the power-taking circuit.

8. The polishing apparatus as claimed in claim 7, wherein the first plug circuit further comprises a filter circuit, the filter circuit comprises a first capacitor and a first resistor, and an anode of the first capacitor is electrically connected to the power input terminal of the power-taking circuit and the signal output terminal of the lightning interface; the negative electrode of the first capacitor is grounded, and one end of the first resistor is electrically connected to the positive electrode of the first capacitor and the input end of the power taking circuit.

9. The polishing apparatus as recited in claim 8, wherein the first plug circuit further comprises a counterattack circuit electrically connected between the power-taking circuit and the lightning interface chip for preventing interference signals from entering the power-taking circuit and the lightning interface chip.

10. The abrading apparatus of claim 9, wherein the strike circuit comprises a pad, a second diode, and a second capacitor; the bonding pad comprises a first contact pin and a second contact pin, the first contact pin is electrically connected to the cathode of the second diode, and the second contact pin is grounded; the positive electrode of the second diode is electrically connected with the positive electrode of the first diode and the signal output end of the lightning interface chip, the positive electrode of the second capacitor is electrically connected with the negative electrode of the second diode, and the negative electrode of the second capacitor is grounded.