CN219066669U - Safety switch and stirrer - Google Patents

Abstract

The utility model discloses a safety switch and a stirrer, wherein the safety switch comprises: the shell is provided with a circuit board, and the circuit board is provided with a movable contact piece and a static contact piece; the first movable plate is arranged in the shell in a sliding penetrating way; the second movable plate is arranged on one side of the first movable plate and connected with the first movable plate, so that the first movable plate drives the second movable plate to slide, the second movable plate can slide relative to the first movable plate, and the second movable plate is provided with a first socket and a second socket; the button, including start button and stop button, start button with stop button set up in the casing, the second fly leaf slides so that start button embedding in the first socket, the movable contact with the static contact is connected, stop button embedding in the second socket makes start button breaks away from first socket.

Description

Safety switch and stirrer

Technical Field

The utility model relates to the technical field of stirring cups, in particular to a safety switch and a stirrer.

Background

The stirrer is a small machine capable of stirring various fruits and vegetables so as to squeeze fresh and delicious fruit juice and vegetable juice, and can be used for stirring cream, self-made fruit juice, cake liquid, stuffing, eggbeater, dough making and the like. The working principle is that the blade at the bottom of the stirring cup rotates at high speed, and the food is repeatedly broken under the action of water flow. Has the advantages of low price, convenient cleaning and capability of processing various foods.

Some domestic blenders on the market now, its switch is triggered very easily when the base does not install the stirring cup, has the potential safety hazard, produces the incident easily.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the safety switch which can improve the safety performance and avoid potential safety hazards.

The utility model further provides a stirrer, which avoids the danger caused by starting the stirring cup which is not fixed well, improves the safety and avoids potential safety hazards.

According to an embodiment of the first aspect of the present utility model, a safety switch includes: the shell is provided with a circuit board, and the circuit board is provided with a movable contact piece and a static contact piece; the first movable plate is arranged in the shell in a sliding penetrating way; the second movable plate is arranged on one side of the first movable plate and connected with the first movable plate, so that the first movable plate drives the second movable plate to slide, the second movable plate can slide relative to the first movable plate, and the second movable plate is provided with a first socket and a second socket; the button, including start button and stop button, start button with stop button set up in the casing, start button can imbed in the first socket, make movable contact with the static contact is connected, stop button can imbed in the second socket, make start button breaks away from first socket.

According to the safety switch disclosed by the embodiment of the first aspect of the utility model, the safety switch has at least the following beneficial effects: when the safety switch disclosed by the embodiment of the first aspect of the utility model is applied to a stirrer, the stirring cup is embedded into the clamping groove and is in pressure connection with the ejector rod, so that the ejector rod drives the first movable plate to slide downwards, the second movable plate is driven to slide, and the starting button is embedded into the first socket at the moment, so that the movable contact piece is connected with the static contact piece, and the starting and the working of the stirrer are realized. After the work is completed, the stop button is embedded into the second socket, so that the start button is separated from the first socket, and the movable contact piece and the static contact piece are separated, thereby stopping the work of the mixer. Through above-mentioned structure, only when the ejector pin is by the crimping, make first fly leaf drive the second fly leaf and slide, start button just can imbed in the first socket to make movable contact and quiet contact be connected, with the start and the work that realize the mixer, avoid stirring cup not fixed well and start the danger that brings, improve the security, stop the potential safety hazard.

According to the safety switch disclosed by the embodiment of the first aspect of the utility model, a clamping part is arranged on one side, far away from the second socket, of the first socket, the clamping part is used for clamping the starting button, and a guiding inclined plane is arranged on one side, close to the first socket, of the second socket.

According to the safety switch of the embodiment of the first aspect of the utility model, the clamping part is provided with a guide surface.

According to the safety switch disclosed by the embodiment of the first aspect of the utility model, the shell comprises a bottom shell and a cover plate, the two ends of the bottom shell are respectively vertically provided with a first side plate and a second side plate, the two ends of the cover plate are respectively clamped with the first side plate and the second side plate, and the circuit board is arranged in the bottom shell.

According to the safety switch of the embodiment of the first aspect of the utility model, the first movable plate is slidably arranged through the first side plate and the second side plate, and the first movable plate is provided with a bump, and the bump is abutted against one side of the first side plate, which faces the second side plate.

According to the safety switch disclosed by the embodiment of the first aspect of the utility model, the first movable plate is provided with the first mounting column, the first mounting column is sleeved with the first spring, and the first spring is abutted with the second side plate.

According to the safety switch disclosed by the embodiment of the first aspect of the utility model, the starting button and the stopping button comprise a plugboard and a reset spring, the plugboard is slidably arranged on the shell, a key is arranged at one outward end of the plugboard, the reset spring is sleeved on the plugboard, and two ends of the reset spring are respectively abutted with the shell and the key.

According to the safety switch of the embodiment of the first aspect of the utility model, the plugboard is provided with a limiting block, and the limiting block is abutted against one inward side of the shell.

According to the safety switch of the embodiment of the first aspect of the utility model, one end of the limiting block extends into the first socket and the second socket.

According to a second aspect of the utility model, the stirrer comprises the safety switch according to the first aspect of the utility model.

The stirrer according to the embodiment of the second aspect of the utility model has at least the following beneficial effects: when the safety switch disclosed by the embodiment of the first aspect of the utility model is applied to the stirrer, the stirring cup is embedded into the clamping groove and is in pressure connection with the ejector rod, so that the ejector rod drives the first movable plate to slide downwards and drives the second movable plate to slide, and at the moment, the starting button is embedded into the first socket to connect the movable contact piece and the static contact piece, thereby realizing the starting and working of the stirrer. After the work is completed, the stop button is embedded into the second socket, so that the start button is separated from the first socket, and the movable contact piece and the static contact piece are separated, thereby stopping the work of the mixer. Through above-mentioned structure, only when the ejector pin is by the crimping, make first fly leaf drive the second fly leaf and slide, start button just can imbed in the first socket to make movable contact and quiet contact be connected, with the start and the work that realize the mixer, avoid stirring cup not fixed well and start the danger that brings, improve the security, stop the potential safety hazard.

Additional aspects and advantages of the utility model 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 utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic view of a mixer according to an embodiment of the utility model;

FIG. 2 is a schematic diagram of a safety mechanism according to an embodiment of the present utility model;

FIG. 3 is a first perspective exploded view of a safety mechanism according to an embodiment of the present utility model;

FIG. 4 is a second perspective exploded view of the safety mechanism of the present utility model;

fig. 5 is a schematic structural view of a second movable plate in the safety mechanism according to an embodiment of the utility model.

Reference numerals illustrate:

a base 100; a card slot 110; a jack 120; a safety switch 200; a housing 210; a circuit board 211; a movable contact 212; a stationary contact 213; a bottom case 214; a cover plate 215; a first side plate 216; a second side plate 217; a latch 218; a card hole 219; a first movable plate 220; a bump 221; a first spring 222; a first mounting post 223; an opening 224; a first slider 225; a second movable plate 230; a first socket 231; a second socket 232; a first chute 233; a clamping part 234; a guide slope 235; a second mounting post 236; a second spring 237; a start button 241; a stop button 242; a plugboard 243; a return spring 244; a key 245; and a briquette 246.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the utility model, the meaning of a number is one or more, the meaning of a plurality is two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and the above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed 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 utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

Referring to fig. 1, an embodiment of the present utility model provides a blender including a base 100 and a safety switch 200. Specifically, the base 100 is provided with a clamping groove 110, and the clamping groove 110 is used for embedding the stirring cup so as to realize connection between the base 100 and the stirring cup. The clamping groove 110 is internally provided with a push rod 120, and the push rod 120 also slides up and down relative to the base 100. When the stirring cup is embedded in the clamping groove 110, the bottom of the stirring cup is pressed against the ejector rod 120, so that the ejector rod 120 moves downwards. The safety switch 200 is disposed on the base 100, and the safety switch 200 is connected to the jack 120. When the push rod 120 is pressed by the stirring cup, the push rod 120 moves downwards, so that the safety switch 200 is opened, and the stirrer is started to perform stirring work.

Referring to fig. 1 to 5, wherein the safety switch 200 includes a housing 210, a first movable plate 220, a second movable plate 230, and a button. The housing 210 is provided with a circuit board 211, and the circuit board 211 is provided with a movable contact 212 and a stationary contact 213. The first movable plate 220 is slidably disposed through the housing 210, and the first movable plate 220 is connected to the ejector 120. The second movable plate 230 is disposed at one side of the first movable plate 220, the second movable plate 230 is connected with the first movable plate 220, so that the first movable plate 220 drives the second movable plate 230 to slide, and the second movable plate 230 can slide relative to the first movable plate 220, and the second movable plate 230 is provided with a first socket 231 and a second socket 232. The buttons include a start button 241 and a stop button 242, the start button 241 and the stop button 242 are disposed on the housing 210, the second movable plate 230 slides to enable the start button 241 to be embedded in the first socket 231, the movable contact 212 is connected with the stationary contact 213, and the stop button 242 is embedded in the second socket 232 to enable the start button 241 to be separated from the first socket 231.

When the stirring cup is used, the stirring cup is embedded into the clamping groove 110 and is in compression joint with the ejector rod 120, so that the ejector rod 120 drives the first movable plate 220 to slide downwards, the second movable plate 230 is driven to slide, at the moment, the starting button 241 is embedded into the first socket 231, and the movable contact 212 is connected with the static contact 213, so that the starting and the working of the stirring machine are realized. When the work is completed, the stop button 242 is embedded in the second socket 232, so that the start button 241 is separated from the first socket 231, and the movable contact 212 and the static contact 213 are separated, thereby stopping the work of the mixer. Through the above structure, only when the ejector rod 120 is crimped, the first movable plate 220 is enabled to drive the second movable plate 230 to slide, and the start button 241 can be embedded into the first socket 231, so that the movable contact piece 212 and the static contact piece 213 are connected, the start and the work of the stirrer are realized, the danger caused by the unfixed stirring cup is avoided, the safety is improved, and the potential safety hazard is avoided.

Referring to fig. 1 to 4, in detail, the case 210 includes a bottom case 214 and a cover plate 215, and both ends of the bottom case 214 are vertically provided with a first side plate 216 and a second side plate 217, respectively, such that the bottom case 214 forms a U-shaped structure. Both ends of the cover plate 215 are respectively clamped with the first side plate 216 and the second side plate 217. It is conceivable that the first side plate 216 and the second side plate 217 are provided with a latch 218, and that the cover plate 215 is provided with a latch hole 219 adapted to the latch 218. The clamping blocks 218 are embedded into the clamping holes 219, so that the two ends of the cover plate 215 are respectively clamped and fixed with the first side plate 216 and the second side plate 217, and the structure is simple, and the assembly and the disassembly are simple.

Referring to fig. 1 to 4, the first movable plate 220 is slidably disposed through the first side plate 216 and the second side plate 217, and one end of the first movable plate 220 located on the first side plate 216 is connected to the ejector 120. When the stem 120 is crimped by the stirring cup, the stem 120 moves downward, thereby sliding the first movable plate 220 toward the second side plate 217 side. It is conceivable that the first movable plate 220 is provided with a projection 221, and the projection 221 abuts against a side of the first side plate 216 facing the second side plate 217. The protrusion 221 is used to limit the sliding displacement of the first movable plate 220, thereby improving stability. When the bump 221 abuts against the first side plate 216, the bottom surface of the first movable plate 220 is lower than the surface of the second side plate 217 close to the first side plate 216, so as to prevent the bottom end of the first movable plate 220 from separating from the second side plate 217. In the present embodiment, when the bump 221 abuts against the first side plate 216, the bottom surface of the first movable plate 220 is flush with the bottom surface of the second side plate 217, so as to improve the stability.

It is conceivable that the first movable plate 220 is provided with a first mounting post 223, the first spring 222 is sleeved on the first mounting post 223, and the bottom end of the first spring 222 abuts against the second side plate 217. When the ejector rod 120 is pressed by the stirring cup, the ejector rod 120 moves downwards to drive the first movable plate 220 to slide towards one side of the second side plate 217, so that the first spring 222 is compressed; when the stirring cup is removed, the ejector rod 120 is not in pressure connection with the stirring cup, and then the first spring 222 is reset to drive the first movable plate 220 to reset, so that the ejector rod 120 is driven to return to the original position. Wherein, the middle part of the first movable plate 220 is provided with an opening 224, so that one side of the first movable plate 220 forms a first mounting column 223, so as to facilitate the mounting of the first spring 222. The first mounting post 223 may be provided on the surface of the first movable plate 220 in a protruding manner, as long as the first spring 222 can be mounted.

Referring to fig. 2 to 5, the second movable plate 230 is disposed at one side of the first movable plate 220, and both ends of the second movable plate 230 penetrate through the first side plate 216 and the second side plate 217, so as to improve the sliding stability of the second movable plate 230 and prevent the second movable plate 230 from being deviated during the sliding process. Specifically, the first movable plate 220 is provided with a first sliding block 225, the second movable plate 230 is provided with a first sliding groove 233, the first sliding block 225 is embedded in the first sliding groove 233 and is located at one end of the first sliding groove 233 near the second side plate 217, so that the first movable plate 220 drives the second movable plate 230 to slide, and the second movable plate 230 can slide relative to the first movable plate 220.

Wherein, the second movable plate 230 is provided with first socket 231 and second socket 232 towards the side of apron 215, and one side that first socket 231 kept away from second socket 232 is provided with joint portion 234, and joint portion 234 is used for chucking start button 241, and one side that second socket 232 is close to first socket 231 is provided with the guide inclined plane 235. When in use, the second movable plate 230 slides towards the second side plate 217 to enable the first socket 231 to be matched with the start button 241, the start button 241 is pressed at the moment, the start button 241 is embedded into the first socket 231 and clamped by the clamping part 234, and the movable contact 212 and the static contact 213 are connected at the moment, so that the starting and the working of the mixer are realized; after the work is completed, the stop button 242 is pressed, the stop button 242 is inserted into the second jack 232 downwards along the guide inclined plane 235, and pushes the second movable plate 230 to slide towards the first side plate 216, at this time, the clamping part 234 releases the start button 241, so that the start button 241 is separated from the first jack 231, and then the movable contact 212 is separated from the static contact 213, thereby stopping the work of the mixer. It is conceivable that the clamping portion 234 is provided with a guiding surface, so that the start button 241 is embedded in the first socket 231 along the guiding surface and clamped by the clamping portion 234, improving stability. It is easy to understand that the end of the second movable plate 230 near the second side plate 217 is provided with a second mounting post 236, the second mounting post 236 is sleeved with a second spring 237, and the second spring 237 abuts against one surface of the second side plate 217 far away from the first side plate 216. By providing the second spring 237, stability can be improved.

Referring to fig. 1 to 4, in the present embodiment, the start button 241 and the stop button 242 include a plug 243 and a return spring 244, the plug 243 is slidably disposed on the housing 210, a key 245 is disposed at an outward end of the plug 243, the return spring 244 is sleeved on the plug 243, and both ends of the return spring 244 respectively abut against the housing 210 and the key 245. Pressing the key 245 to slide the insert plate 243 toward the inside of the housing 210 and insert the insert plate into the first insert hole 231 or the second insert hole 232, and the return spring 244 is in a compressed state; when the key 245 is released, the plugboard 243 is reset under the action of the reset spring 244, so that the plugboard is separated from the first socket 231 or the second socket 232, and the structure is simple and the operation is simple and convenient. It is conceivable that the insert plate 243 is provided with a stopper, which abuts against the inward side of the housing 210. The limiting block is provided to limit the sliding displacement of the plugboard 243, so as to prevent the plugboard 243 from being separated from the cover plate 215. It is easily understood that the insert plate 243 on the start button 241 is provided with a pressing block 246, and the pressing block 246 is used for pressing the movable contact 212. When the insert plate 243 of the start button 241 is inserted into the first insertion hole 231, the pressing block 246 presses the movable contact 212 to move toward the stationary contact 213, so that the movable contact 212 and the stationary contact 213 are connected. The press block 246 is used for pressing the movable contact 212, so that the stability is improved.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. Safety switch, its characterized in that includes:

the shell is provided with a circuit board, and the circuit board is provided with a movable contact piece and a static contact piece;

the first movable plate is arranged in the shell in a sliding penetrating way;

the second movable plate is arranged on one side of the first movable plate and connected with the first movable plate, so that the first movable plate drives the second movable plate to slide, the second movable plate can slide relative to the first movable plate, and the second movable plate is provided with a first socket and a second socket;

the button, including start button and stop button, start button with stop button set up in the casing, the second fly leaf slides so that start button embedding in the first socket, the movable contact with the static contact is connected, stop button embedding in the second socket makes start button breaks away from first socket.

2. The safety switch according to claim 1, wherein a clamping portion is provided on a side of the first socket away from the second socket, the clamping portion being configured to clamp the start button, and a guiding inclined surface is provided on a side of the second socket close to the first socket.

3. The safety switch of claim 2, wherein the snap-fit portion is provided with a guide surface.

4. The safety switch according to claim 1, wherein the housing comprises a bottom shell and a cover plate, a first side plate and a second side plate are vertically arranged at two ends of the bottom shell respectively, two ends of the cover plate are clamped with the first side plate and the second side plate respectively, and the circuit board is arranged in the bottom shell.

5. The safety switch according to claim 4, wherein the first movable plate is slidably disposed through the first side plate and the second side plate, and the first movable plate is provided with a bump, and the bump abuts against a side of the first side plate facing the second side plate.

6. The safety switch of claim 4, wherein the first movable plate is provided with a first mounting post, the first mounting post is sleeved with a first spring, and the first spring abuts against the second side plate.

7. The safety switch according to claim 1, wherein the start button and the stop button comprise a plugboard and a return spring, the plugboard is slidably arranged on the housing, a key is arranged at one outward end of the plugboard, the return spring is sleeved on the plugboard, and two ends of the return spring are respectively abutted to the housing and the key.

8. The safety switch according to claim 7, wherein the plug board is provided with a stopper, and the stopper abuts against an inward side of the housing.

9. The safety switch of claim 8, wherein one end of the stopper extends into the first and second sockets.

10. A blender comprising a safety switch as claimed in any one of claims 1 to 9.

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