Household grinder

Abstract

The utility model provides a household grinder which comprises a shell and a grinding mechanism, the shell is provided with a battery bin, a first electric connecting part, a second electric connecting part and a fool-proof part are arranged in the battery bin, the first electric connecting part and the second electric connecting part are oppositely arranged, and the first electric connecting part and the second electric connecting part are used for being in one-to-one correspondence with two electrodes of a battery. The fool-proof part is arranged on the first electric connection part in a surrounding mode, and an area defined by the fool-proof part is matched with an electrode, corresponding to the first electric connection part, of the battery so as to prevent the battery from being installed reversely. According to the household grinder provided by the embodiment of the utility model, the fool-proof part surrounds the first electric connection part, and the area surrounded by the fool-proof part is matched with the electrode of the battery corresponding to the first electric connection part, so that the battery can be conveniently and quickly mounted under the condition that the battery is correctly mounted; and the electrode of the battery corresponding to the first electric connection part can be in contact with the first electric connection part in the battery compartment, so that the possibility of reverse installation by a user is reduced or avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of household appliances, in particular to a household grinder. Background Art

[0002] As life becomes increasingly enriched, household appliances are widely used in family life, such as soy milk makers, coffee machines, and household grinders.

[0003] Among the existing household appliances, there are many small or portable appliances, which are convenient for use. Some household appliances need to install batteries. The battery compartment of the household appliances usually has a positive plate at the positive pole and a spring at the negative pole. In this way, when installing, the user needs to match the positive and negative poles of the battery respectively before installation. However, it is often not easy to find that the positive and negative poles of the battery are installed reversely after installation. Therefore, it is more important to design a household appliance that can prevent the battery from being installed reversely. Utility Model Content

[0004] The embodiment of the present utility model proposes a household grinder to improve the above technical problems.

[0005] The embodiments of the present invention achieve the above-mentioned objectives through the following technical solutions.

[0006] An embodiment of the present utility model provides a household grinder, comprising: a shell and a grinding mechanism, the shell being provided with a battery compartment, the battery compartment being provided with a first electrical connection portion, a second electrical connection portion and an anti-mock portion, the first electrical connection portion and the second electrical connection portion being arranged opposite to each other, the first electrical connection portion and the second electrical connection portion being used to correspond one-to-one to two electrodes of a battery, the anti-mock portion being arranged around the first electrical connection portion, and the area enclosed by the anti-mock portion being adapted to the electrode of the battery corresponding to the first electrical connection portion to prevent the battery from being installed upside down.

[0007] In some embodiments, the first electrical connection portion corresponds to the positive electrode of the battery, and the second electrical connection portion corresponds to the negative electrode of the battery.

[0008] In some embodiments, the housing includes two walls located within the battery compartment, the first electrical connection portion and the second electrical connection portion are provided in a one-to-one correspondence with the two walls, the fool-proof portion is provided on the wall corresponding to the first electrical connection portion, and the height of the fool-proof portion protruding from the wall is greater than the height of the first electrical connection portion protruding from the wall; and / or,

[0009] The second electrical connection portion is a spring structure. When the spring structure is at its maximum compression, the distance between the spring structure and the end surface of the fool-proof portion facing away from the wall is smaller than the length of the battery.

[0010] In some embodiments, the fool-proof portion has an end surface on a side facing away from the wall surface, the end surface forms an opening, and the maximum opening size of the opening is smaller than the outer diameter size of the second electrical connection portion.

[0011] In some embodiments, the anti-foolproof portion is arranged around a portion of the outer periphery of the first electrical connection portion, and the anti-foolproof portion has two ends, which define an opening. The opening is used to allow the positive pole of the battery to enter the area enclosed by the anti-foolproof portion, and the distance between the two ends is greater than or equal to the outer diameter of the positive pole of the battery.

[0012] In some embodiments, the anti-mumbling portion includes a first protrusion, a second protrusion, and an arc-shaped portion. The first protrusion and the second protrusion are arranged on opposite sides of the first electrical connection portion. The arc-shaped portion surrounds the first electrical connection portion. The arc-shaped portion is connected to the first protrusion and the second protrusion. The two ends are respectively formed on the first protrusion and the second protrusion. A guide sliding channel connected to the opening is formed between the first protrusion and the second protrusion, and the guide sliding channel extends toward the position where the first electrical connection portion is located.

[0013] In some embodiments, two first electrical connection parts and two second electrical connection parts are provided in the battery compartment, wherein the first first electrical connection part and the first second electrical connection part are located on one side of the battery compartment, and the second first electrical connection part and the second second electrical connection part are located on the other side of the battery compartment. The outer periphery of the first first electrical connection part and the second first electrical connection part each corresponds to an anti-idiot part, and the anti-idiot part corresponding to the first first electrical connection part is provided with a connecting port, and the connecting port passes through the anti-idiot part in the direction from the first first electrical connection part to the first second electrical connection part. A connecting conductor is also provided in the battery compartment, and the connecting conductor is connected to the first electrical connection part and is connected to the second electrical connection part via the connecting port.

[0014] In some embodiments, the shell includes a main shell portion, an end cover and a fixed cover. The end cover shell is detachably provided on the main shell portion. An inner cavity is formed between the end cover and the main shell portion. The grinding mechanism includes a grinding head, a transmission shaft and a driver. The driver is provided in the inner cavity, the grinding head is provided outside the inner cavity, the transmission shaft passes through the end cover, and the transmission shaft is connected to the grinding head and the driver. The fixed cover is detachably provided on the main shell portion, the fixed cover is pressed on the end cover, and a seal is provided between the fixed cover and the end cover.

[0015] In some embodiments, the sealing member includes a gasket, a plurality of protrusions are provided on opposite sides of the gasket, and the fixing cover and the end cover are provided with grooves corresponding to the protrusions.

[0016] In some embodiments, the sealing member includes a ring body, which is connected to the outer periphery of the gasket and is sleeved on the outer peripheries of the fixed cover and the end cover.

[0017] In the household grinder provided by the embodiment of the present invention, the fool-proof portion is arranged around the first electrical connection portion, and the area enclosed by the fool-proof portion is adapted to the electrode of the corresponding first electrical connection portion of the battery. In this way, when the battery is installed correctly, the electrode of the corresponding first electrical connection portion of the battery can contact the first electrical connection portion in the battery compartment, reducing or avoiding the possibility of the user installing it upside down. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative work.

[0019] Figure 1 The figure shows a schematic structural diagram of the grinder in an assembled state according to an embodiment of the present invention.

[0020] Figure 2 Shown Figure 1 Schematic diagram of the grinder after removing some structures.

[0021] Figure 3 Shown Figure 2 A partial schematic diagram of the grinder.

[0022] Figure 4 Shown Figure 1 Schematic diagram of a partial cross-section of the grinder along the longitudinal direction of the grinder. DETAILED DESCRIPTION

[0023] In order to enable those skilled in the art to better understand the present invention, the following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative efforts are within the scope of protection of the present invention.

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention.

[0025] See also Figure 1 and Figure 2 In an embodiment of the present invention, a household grinder 100 is provided, which includes a housing 110 and a grinding mechanism 120 .

[0026] The shell 110 is provided with a battery compartment 111, and the battery compartment 111 is provided with a first electrical connection part 112, a second electrical connection part 113 and an anti-foolproof part 114. The first electrical connection part 112 and the second electrical connection part 113 are arranged opposite to each other, and the first electrical connection part 112 and the second electrical connection part 113 are used to correspond one-to-one with the two electrodes of the battery. The anti-foolproof part 114 is surrounded by the first electrical connection part 112, and the area surrounded by the anti-foolproof part 114 is adapted to the electrode corresponding to the first electrical connection part 112 to prevent the battery from being installed upside down.

[0027] The grinding mechanism 120 is disposed in the housing 110 , and the grinding mechanism 120 is electrically connected to the first electrical connection portion 112 and the second electrical connection portion 113 .

[0028] It should be noted that the battery is installed upside down when the positive and negative poles of the battery do not correspond to the positive and negative poles in the battery compartment 111 .

[0029] In the household grinder 100 provided in the embodiment of the present invention, the foolproof portion 114 is arranged around the first electrical connection portion 112, and the area enclosed by the foolproof portion 114 is adapted to the electrode of the battery corresponding to the first electrical connection portion 112. In this way, when the battery is installed correctly, the electrode of the battery corresponding to the first electrical connection portion 112 can contact the first electrical connection portion 112 in the battery compartment 111, preventing the user from installing the battery upside down.

[0030] See also Figure 1 and Figure 2 In this embodiment, the first electrical connection portion 112 corresponds to the positive electrode of the battery, and the second electrical connection portion 113 corresponds to the negative electrode of the battery. As an example, the positive electrode of a battery is typically one with a protruding terminal post, and the negative electrode of a battery is typically one with a flat electrode sheet. The first electrical connection portion 112 can be a electrode sheet structure or a electrode nozzle structure, and the second electrical connection portion 113 can be a spring structure.

[0031] In this embodiment, the housing 110 includes two walls located within the battery compartment 111. The first electrical connection portion 112 and the second electrical connection portion 113 are provided in a one-to-one correspondence with the two walls. The foolproof portion 114 is provided on the wall corresponding to the first electrical connection portion 112. The foolproof portion 114 protrudes from the wall at a height greater than the height of the first electrical connection portion 112. As an example, the first electrical connection portion 112 and the second electrical connection portion 113 can be provided on both sides of the battery compartment along the length of the battery compartment 111. By protruding the anti-foolproof part 114 from the wall at a height greater than the height of the first electrical connection part 112 protruding from the wall, for example, when the first electrical connection part 112 corresponds to the positive pole of the battery, when the battery is installed upside down, the negative pole of the battery corresponds to the second electrical connection part 113. Since the height of the anti-foolproof part 114 protruding from the wall is greater than the height of the first electrical connection part 112 protruding from the wall, and the shape of the anti-foolproof part 114 does not match the negative pole of the battery, the negative pole of the battery cannot enter the area enclosed by the anti-foolproof part 114 and contact the first electrical connection part 112. Then the negative pole of the battery will be separated by the anti-foolproof part 114, and there is an obvious lack of contact between the negative pole of the battery and the first electrical connection part 112, or the battery cannot be installed normally, which helps users quickly know the problem of the battery being installed upside down.

[0032] In some embodiments, the second electrical connection portion 113 is a spring structure. When the spring structure is at its maximum compression, the distance between the spring structure and the end surface of the anti-mumbling portion 114 facing away from the wall is less than the length of the battery. For example, when the spring structure is in its natural state, the distance between the spring structure and the end surface of the anti-mumbling portion 114 facing away from the wall may correspond to the battery length L. When the spring structure is at its maximum compression, the distance between the spring structure and the end surface of the anti-mumbling portion 114 facing away from the wall is less than L. For example, the battery length may correspond to a 4-cell battery, a 5-cell battery, a 6-cell battery, a 7-cell battery, etc., and the specific length can be adjusted according to actual needs. Specifically, the second electrical connection part 113 of the battery compartment 111 is a spring. Since the negative pole of the battery cannot enter the area enclosed by the anti-idiot part 114, it will be supported by the end face of the anti-idiot part 114 facing away from the wall. Since the compression amount of the spring is limited, the length of the battery is greater than the length between the end face of the anti-idiot part 114 and the spring in the maximum compression state, making it impossible for the battery to be normally installed into the battery compartment 111. Only under normal installation conditions can the battery be normally installed into the battery compartment 111, thereby effectively preventing the battery from being installed upside down.

[0033] In some embodiments, the foolproof portion 114 has an end surface (not shown) facing away from the wall surface, which forms an opening 1141. The maximum opening dimension of the opening 1141 is smaller than the outer diameter of the second electrical connection portion 113. The maximum opening dimension of the opening 1141 can be parallel to the end surface. This allows, for example, for the battery to be installed upside down, for the electrode corresponding to the second electrical connection portion 113 to be unable to pass through the opening 1141 into the area enclosed by the foolproof portion 114 and properly contact the first electrical connection portion 112. Only when the battery is correctly installed can the first electrical connection portion 112 pass through the opening 1141 into the area enclosed by the foolproof portion 114 and properly contact the first electrical connection portion 112.

[0034] In some embodiments, the foolproof portion 114 is disposed around a portion of the outer periphery of the first electrical connection portion 112. The foolproof portion 114 has two ends (not shown) defining an opening 1142. The opening 1142 is used to allow the positive electrode of the battery to enter the area enclosed by the foolproof portion 114. The spacing between the two ends is greater than or equal to the outer diameter of the positive electrode of the battery. Providing the opening 1142 in the foolproof portion 114 facilitates the positive electrode of the battery to slide from the outer periphery of the foolproof portion 114 into the area enclosed by the foolproof portion 114, thereby enabling quick installation. When the battery needs to be replaced, the positive electrode of the battery can easily slide out of the opening 1142, enabling easy battery removal and installation.

[0035] As an example, the anti-mute portion 114 includes a first protrusion 1143, a second protrusion 1144 and an arc-shaped portion 1145. The first protrusion 1143 and the second protrusion 1144 are arranged on opposite sides of the first electrical connection portion 112. The arc-shaped portion 1145 surrounds the first electrical connection portion 112. The arc-shaped portion 1145 is connected to the first protrusion 1143 and the second protrusion 1144. The two ends are respectively formed on the first protrusion 1143 and the second protrusion 1144. A guide sliding channel connected to the opening 1142 is formed between the first protrusion 1143 and the second protrusion 1144, and the guide sliding channel extends toward the position of the first electrical connection portion 112. By setting up a guide sliding channel, the positive pole of the battery can slide quickly into the area surrounded by the anti-mute portion 114, so that the positive pole of the battery can quickly contact the first electrical connection portion 112; the arc portion 1145 is set around the first electrical connection portion 112, which is conducive to the positive pole of the battery to stably contact the inner periphery of the arc portion 1145, so that it can be better limited by the arc portion 1145, thereby facilitating a smooth electrical connection between the battery and the first electrical connection portion 112.

[0036] In some embodiments, as Figure 2 and Figure 3As shown, two first electrical connection parts 112 and two second electrical connection parts 113 are provided in the battery compartment 111, wherein the first first electrical connection part 112 and the first second electrical connection part 113 are located on one side of the battery compartment 111, and the second first electrical connection part 112 and the second second electrical connection part 113 are located on the other side of the battery compartment 111, and the outer periphery of the first first electrical connection part 112 and the second first electrical connection part 112 corresponds to a fool-proof part 114, and the fool-proof part 114 corresponding to the first first electrical connection part 112 is provided with a connecting port (not shown in the figure), and the connecting port passes through the fool-proof part 114 in the direction from the first first electrical connection part 112 to the first second electrical connection part 113, and a connecting conductor 1143 is further provided in the battery compartment 111, and the connecting conductor 1143 can be an integrally formed structure with one of the first electrical connection part 112 and the second electrical connection part 113, or the connecting conductor 1143 can be an integrally formed structure with the first electrical connection part 112 and the second electrical connection part 113. Connecting conductor 1143 is connected to first electrical connection portion 112 and to second electrical connection portion 113 via a communication port. By providing a communication port on foolproof portion 114, connecting conductor 1143 can directly connect first electrical connection portion 112 to second electrical connection portion 113, thereby connecting the positive and negative electrodes of the two batteries in battery compartment 111 (which can be understood as connecting the two batteries in battery compartment 111 in series), simplifying the structural design.

[0037] In some embodiments, the housing 110 includes a main housing portion 115, a mounting cover 116, and a fixed cover 117. The mounting cover is removably mounted on the main housing portion 115, and an inner cavity 1108 is formed between the mounting cover 116 and the main housing portion 115. The grinding mechanism 120 includes 121, a drive shaft 122, and a driver 123. The driver 123 is disposed in the inner cavity 1108. The drive shaft 122 passes through the mounting cover 116 and is connected to 121 and the driver 123. The fixed cover 117 is removably mounted on the main housing portion 115 and is pressed against the mounting cover 116. A seal 118 is provided between the fixed cover 117 and the mounting cover 116. The provision of the seal 118 between the mounting cover and the main housing portion 115 effectively prevents fine powder particles after grinding from entering the machine, thereby effectively increasing the service life of the electronic components within the machine.

[0038] In some embodiments, the seal 118 includes a gasket 1181 with multiple protrusions (not shown) on opposite sides of the gasket 1181. The fixed cover 117 and the mounting cover 116 are provided with grooves (not shown) corresponding to the protrusions. This allows the multiple protrusions of the gasket 1181 to engage with the fixed cover 117 and the mounting cover, preventing the gasket 1181 from becoming loose during prolonged operation of the grinding mechanism 120. Furthermore, at least one of the multiple protrusions can be an annular rib structure, and the groove can be an annular groove structure. This allows for multiple seals, effectively preventing dust and other particles from entering the machine interior.

[0039] In some embodiments, the seal 118 includes a ring 1182, which is connected to the outer periphery of the gasket 1181 and is sleeved around the outer peripheries of the fixed cover 117 and the mounting cover 116. The ring 1182 can be securely clamped around the outer peripheries of the fixed cover 117 and the mounting cover 116, thereby achieving further sealing and improving the reliability of the fixed cover 117 and the mounting cover 116 after assembly.

[0040] In this utility model, unless otherwise expressly specified or limited, terms such as "mounted," "connected," and "fixed" should be interpreted broadly. For example, these terms may refer to fixed, removable, or integral connections; mechanical or electrical connections; direct or indirect connections through an intermediary; internal communication between two components; surface contact only; or surface contact through an intermediary. Those skilled in the art will understand the specific meanings of these terms in this utility model based on the specific circumstances.

[0041] In addition, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as specific or special structures. The descriptions of the terms "some embodiments", "other embodiments", etc. mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In the present invention, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in a suitable manner in any one or more embodiments or examples. In addition, those skilled in the art can combine and combine the different embodiments or examples described in the present invention and the features of the different embodiments or examples, unless they are contradictory.

[0042] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the above embodiments, or make equivalent replacements for some of the technical features therein. These modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the present invention, and should all be included in the scope of protection of the present invention.

Claims

1. A household grinder, characterized in that: include: A housing, the housing being provided with a battery compartment, wherein a first electrical connection portion, a second electrical connection portion, and a foolproof portion are provided in the battery compartment, the first electrical connection portion and the second electrical connection portion being arranged opposite to each other, the first electrical connection portion and the second electrical connection portion being used to correspond one-to-one with two electrodes of a battery, the foolproof portion being provided around the first electrical connection portion, the area enclosed by the foolproof portion being adapted to the electrode of the battery corresponding to the first electrical connection portion to prevent the battery from being installed upside down; A grinding mechanism is provided on the housing and is electrically connected to the first electrical connection portion and the second electrical connection portion.

2. The household grinder according to claim 1, characterized in that The first electrical connection portion corresponds to the positive electrode of the battery, and the second electrical connection portion corresponds to the negative electrode of the battery.

3. The household grinder according to claim 2, characterized in that The housing includes two walls located within the battery compartment, the first electrical connection portion and the second electrical connection portion are respectively provided on one of the two walls, the fool-proof portion is provided on the wall corresponding to the first electrical connection portion, and the height of the fool-proof portion protruding from the wall is greater than the height of the first electrical connection portion protruding from the wall; and / or, The second electrical connection portion is a spring structure. When the spring structure is at its maximum compression, the distance between the spring structure and the end surface of the fool-proof portion facing away from the wall surface is smaller than the length of the battery.

4. The household grinder according to claim 3, characterized in that The fool-proof portion has an end surface on a side away from the wall surface, the end surface forms an opening, and the maximum opening size of the opening is smaller than the outer diameter size of the second electrical connecting portion.

5. The household grinder according to claim 2, characterized in that The anti-foolproof portion is arranged around a portion of the outer circumference of the first electrical connection portion, and the anti-foolproof portion has two ends, which define an opening. The opening is used to allow the positive pole of the battery to enter the area enclosed by the anti-foolproof portion, and the distance between the two ends is greater than or equal to the outer diameter of the positive pole of the battery.

6. The household grinder according to claim 5, characterized in that The anti-mumbling portion includes a first convex portion, a second convex portion, and an arc-shaped portion. The first convex portion and the second convex portion are arranged on opposite sides of the first electrical connection portion. The arc-shaped portion surrounds the first electrical connection portion. The arc-shaped portion is connected to the first convex portion and the second convex portion. The two end portions are respectively formed on the first convex portion and the second convex portion. A guide sliding channel connected to the opening is formed between the first convex portion and the second convex portion, and the guide sliding channel extends toward the position where the first electrical connection portion is located.

7. The household grinder according to claim 2, characterized in that Two first electrical connection parts and two second electrical connection parts are provided in the battery compartment, wherein the first first electrical connection part and the first second electrical connection part are located on one side of the battery compartment, and the second first electrical connection part and the second second electrical connection part are located on the other side of the battery compartment. The outer periphery of the first first electrical connection part and the second first electrical connection part each corresponds to an anti-idiot part, and the anti-idiot part corresponding to the first first electrical connection part is provided with a connecting port, and the connecting port passes through the anti-idiot part in the direction from the first first electrical connection part to the first second electrical connection part. A connecting conductor is also provided in the battery compartment, and the connecting conductor is connected to the first electrical connection part and connected to the second electrical connection part via the connecting port.

8. The household grinder according to any one of claims 1 to 7, characterized in that The shell includes a main shell part, an end cover and a fixed cover. The end cover shell is detachably provided on the main shell part. An inner cavity is formed between the end cover and the main shell part. The grinding mechanism includes a grinding head, a transmission shaft and a driver. The driver is provided in the inner cavity, and the grinding head is provided outside the inner cavity. The transmission shaft passes through the end cover, and the transmission shaft is connected to the grinding head and the driver. The fixed cover is detachably provided on the main shell part, and the fixed cover is pressed on the end cover. A seal is provided between the fixed cover and the end cover.

9. The household grinder according to claim 8, characterized in that The sealing member includes a gasket, and two opposite sides of the gasket are provided with a plurality of protrusions, and the fixing cover and the end cover are provided with grooves corresponding to the protrusions.

10. The household grinder according to claim 9, characterized in that The sealing member includes a ring body, which is connected to the outer periphery of the gasket and is sleeved on the outer peripheries of the fixed cover and the end cover.

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