CN211722876U

CN211722876U - Safety lock structure and mixer

Info

Publication number: CN211722876U
Application number: CN201922495225.XU
Authority: CN
Inventors: 余柏亮
Original assignee: Jiangmen Bojian Electric Appliances Mfg Co ltd
Current assignee: Jiangmen Bojian Electric Appliances Mfg Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-10-23
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a safety lock structure to a mixer with safety lock structure is disclosed, wherein safety lock structure, include: the main machine is internally provided with a microswitch and a safety movable rod; the cup seat is connected to the upper end of the main machine; the stirring cup is arranged on the cup seat; the inclined moving piece is connected to the inside of the cup base; when the inclined moving part is positioned at the upper part of the inclined guide groove, the upper end of the inclined moving part protrudes out of the cup base, and the lower end of the inclined moving part deviates from the vertical hole; after the stirring cup is installed, the inclined moving piece is pressed down and aligned with the vertical hole, and the safety movable rod is pressed down by the inclined moving piece to trigger the microswitch.

Description

Safety lock structure and mixer

Technical Field

The utility model relates to a mixer technical field, in particular to a safety lock structure and mixer for mixer.

Background

The stirrer is a common kitchen appliance at present, and brings convenience to users. At present, disconnect-type mixer is including stirring cup, stirring knife tackle spare, cup and host computer, and during the use, the stirring knife tackle spare is installed earlier in the cup, will stir the cup again and be connected with the cup, installs the cup on the host computer at last, and the host computer embeds there is the motor, and motor drive stirring knife tackle spare is rotatory, realizes the stirring.

In order to prevent the stirring knife assembly from being started to cause injury under the condition that the stirring cup is not installed, the stirring machine is provided with a safety lock. The existing safety lock only has a moving part on the cup base, the moving part can be locked after the stirring cup is installed, after the cup base is installed in the host machine, the moving part of the cup base presses down the safety movable rod of the host machine, the safety movable rod presses down the micro switch, and the motor can be started to operate at the moment. The stirring cup is not installed in place, the micro switch is not connected, and the motor cannot run. However, in the structure, the microswitch can still be triggered by pressing the cup base by hands, and the motor can drive the stirring knife assembly to rotate, so that potential safety hazards exist and need to be improved.

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 safety lock structure, the stirring cup is not installed in place, and micro-gap switch does not switch on, prevents that the motor from starting, eliminates the potential safety hazard.

The utility model discloses provide the mixer that has above-mentioned safety lock structure simultaneously.

According to the utility model discloses a safety lock structure of first aspect embodiment for the mixer, include:

the main machine is internally provided with a microswitch and a safety movable rod;

the cup seat is connected to the upper end of the main machine;

the stirring cup is arranged on the cup seat;

the inclined moving piece is connected to the inside of the cup base;

when the inclined moving part is positioned at the upper part of the inclined guide groove, the upper end of the inclined moving part protrudes out of the cup base, and the lower end of the inclined moving part deviates from the vertical hole; after the stirring cup is installed, the inclined moving piece is pressed down and aligned with the vertical hole, and the safety movable rod is pressed down by the inclined moving piece to trigger the microswitch.

According to the utility model discloses safety lock structure of first aspect embodiment has following beneficial effect at least: under the condition that the stirring cup is not installed in place, the cup base is installed on the main machine, the lower end of the inclined moving part deviates from the vertical hole, even if the cup base is pressed by hands, the inclined moving part cannot press down the safety movable rod in the vertical hole, the micro switch cannot be triggered, the main machine cannot be started, potential safety hazards are eliminated, and safety is improved. When the stirring cup is installed in place, the inclined moving piece is pushed to move along the inclined guide groove and is aligned with the vertical hole, the safety movable rod can be pressed down by the inclined moving piece to trigger the microswitch, and the host can be started normally.

According to some embodiments of the first aspect of the present invention, the inclined moving members are at least two and circumferentially and evenly distributed in the cup holder.

According to the utility model discloses some embodiments of the first aspect, the lower extreme of oblique moving part is provided with the ejector pin, the ejector pin with the shape in vertical hole matches, the bottom surface of oblique guide slot is provided with the baffle, the baffle is provided with the confession the through-hole that the ejector pin passed.

According to the utility model discloses some embodiments of the first aspect, safe movable rod is provided with the area and is greater than the dog in vertical hole, the lower extreme of dog is provided with the litter, the cover is equipped with the spring on the litter, spring coupling in the host computer.

According to the utility model discloses some embodiments of the first aspect, it is equipped with the safety switch seat still to overlap on the litter, the both ends of spring respectively the butt in the dog safety switch seat, micro-gap switch fixed connection in the safety switch seat.

According to the utility model discloses some embodiments of the first aspect, the middle part of cup is connected with the stirring knife tackle spare, the stirring knife tackle spare is provided with the contact the clamp plate of oblique moving part, stirring cup threaded connection the cup is and compress tightly the clamp plate.

According to some embodiments of the first aspect of the present invention, the angle between the guiding slope and the vertical plane is 12 to 20 degrees.

According to the utility model discloses some embodiments of first aspect, the displacement distance of oblique moving part in vertical direction is 3mm to 5mm, and the displacement distance in the horizontal direction is 1mm to 1.5 mm.

According to the utility model discloses a mixer of second aspect embodiment has the safety lock structure as above.

According to some embodiments of the second aspect of the present invention, a motor is provided in the main machine, the motor and the micro switch electric connection.

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 cross-sectional view of some embodiments of a second aspect of the present invention;

FIG. 2 is an exploded view of the component parts of FIG. 1;

fig. 3 and 4 are partial cross-sectional views of some example 2 states of the first aspect of the invention.

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, 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.

When the stirring cup is not installed, the micro switch can still be triggered by pressing the cup seat by hands, and the stirring knife assembly can be driven to rotate by the motor, so that potential safety hazards exist.

To this end, referring to fig. 3 to 4, a safety lock structure according to an embodiment of the first aspect of the present invention is a safety lock structure for a blender, including: a main body 100 having a micro switch 110 and a safety lever 120; a cup holder 200 connected to an upper end of the main body 100; a mixing cup 300 mounted on the cup holder 200; a diagonal moving member 310 connected to the inside of the cup holder 200; the inclined moving member 310 is provided with a guide inclined surface 311, an inclined guide groove 210 matched with the guide inclined surface 311 is arranged in the cup holder 200, the main machine 100 is provided with a vertical hole 130 for installing the safety moving rod 120, when the inclined moving member 310 is positioned at the upper part of the inclined guide groove 210, the upper end of the inclined moving member 310 protrudes out of the cup holder 200, and the lower end of the inclined moving member 310 deviates from the vertical hole 130; after the mixing cup 300 is installed, the inclined moving member 310 is pressed down, the inclined moving member 310 is aligned with the vertical hole 130, and the inclined moving member 310 presses down the safety moving rod 120 to activate the micro switch 110.

With the above structure, referring to fig. 4, in a normal use state, the mixing cup 300 is mounted on the cup holder 200, the mixing cup 300 pushes the inclined moving member 310 to move along the inclined guide groove 210, the inclined moving member 310 aligns with the vertical hole 130, the inclined moving member 310 is inserted into the vertical hole 130, and the safety moving rod 120 is pressed down to trigger the micro switch 110, so that the main body 100 can be started normally to perform mixing. Referring to fig. 3, when the mixing cup 300 is not installed in place, the inclined moving member 310 is located at the upper portion of the inclined guide groove 210, the lower end of the inclined moving member 310 deviates from the vertical hole 130, and the cup holder 200 is installed on the main unit 100, so that even if the cup holder 200 is pressed by a hand, the inclined moving member 310 cannot be inserted into the vertical hole 130, the safety moving rod 120 in the vertical hole 130 cannot be pressed, the micro switch 110 cannot be triggered, the main unit 100 cannot be started, potential safety hazards are eliminated, and safety is improved.

Referring to fig. 2, according to some embodiments of the first aspect of the present invention, the inclined moving members 310 are four and are circumferentially equispaced within the cup holder 200. Because only one safe movable rod 120 is arranged in the main machine 100, the structure is adopted, so that a user can conveniently install the cup holder 200 on the main machine 100, and the inclined movable piece 310 can be ensured to be aligned to the safe movable rod 120 at a plurality of angles, thereby ensuring that the stirring machine can be normally used and is convenient to use.

Referring to fig. 3, according to some embodiments of the first aspect of the present invention, the lower end of the oblique moving member 310 is provided with a top bar 312, the top bar 312 matches with the shape of the vertical hole 130, the bottom surface of the oblique guide groove 210 is provided with a baffle plate, and the baffle plate is provided with a through hole for the top bar 312 to pass through. The baffle plate is used for bearing the inclined moving piece 310, the inclined moving piece 310 is prevented from falling out of the inclined guide groove 210, and the through hole can limit the position of the top rod 312, so that the precision is improved.

Referring to fig. 3, according to some embodiments of the first aspect of the present invention, the safety lever 120 is provided with a stopper 121 having an area larger than that of the vertical hole 130, a sliding rod 122 is provided at a lower end of the stopper 121, a spring 140 is sleeved on the sliding rod 122, and the spring 140 is connected to the main body 100. The stopper 121 is used for limiting the highest position of the safety movable rod 120, the elasticity of the spring 140 is used for pushing the safety movable rod 120 to be kept at the highest position, when the inclined movable member 310 presses down the safety movable rod 120, the spring 140 contracts to store energy, and after the inclined movable member 310 is separated, the spring 140 pushes the safety movable rod 120 to automatically reset, so that the use performance is guaranteed.

Referring to fig. 3, according to some embodiments of the first aspect of the present invention, a safety switch seat 150 is further sleeved on the sliding rod 122, two ends of the spring 140 respectively abut against the stopper 121 and the safety switch seat 150, and the micro-gap switch 110 is fixedly connected to the safety switch seat 150. The safety switch seat 150 limits the spring 140 on one hand, and the microswitch 110 is installed on the other hand, and the safety movable rod 120, the microswitch 110, the spring 140 and the safety switch seat 150 are assembled into a whole, so that the assembly efficiency of the stirring machine is improved, and the cost is reduced.

Referring to fig. 3, according to some embodiments of the first aspect of the present invention, a stirring blade assembly 400 is connected to the middle portion of the cup holder 200, the stirring blade assembly 400 is provided with a pressing plate 410 contacting the inclined moving member 310, and the stirring cup 300 is screwed to the cup holder 200 and presses the pressing plate 410. By adopting the structure, when the stirring cutter assembly 400 is installed, the pressing plate 410 can be ensured to press the inclined moving part 310 only by correct installation, so that the safety is improved; meanwhile, the stirring blade assembly 400 is compressed by the stirring cup 300, and the operation stability of the stirring blade assembly 400 is improved.

Referring to fig. 3, according to some embodiments of the first aspect of the present invention, the angle between the guiding inclined plane 311 and the vertical plane is 12 degrees to 20 degrees, wherein 15 degrees is preferred. Further, the displacement distance of the inclined moving member 310 in the vertical direction is 3mm to 5mm, and the displacement distance in the horizontal direction is 1mm to 1.5 mm. The displacement distance of the inclined moving member 310 in the vertical direction is preferably 4mm, and the displacement distance in the horizontal direction is preferably 1.2mm, so that the distance of the inclined moving member 310 deviating from the vertical hole 130 is enough, and the smooth sliding of the inclined moving member 310 along the inclined guide groove 210 is not affected.

Referring to fig. 1, according to the mixer of the second aspect embodiment of the present invention, the above safety lock structure is provided, and under the condition that the mixing cup 300 is not installed in place, the oblique moving member 310 is located on the upper portion of the oblique guide slot 210, the lower end of the oblique moving member 310 deviates from the vertical hole 130, the cup holder 200 is installed on the host computer 100, even if the cup holder 200 is pressed by the hand, the oblique moving member 310 cannot be inserted into the vertical hole 130, the safety movable rod 120 in the vertical hole 130 cannot be pressed, the micro switch 110 cannot be touched, the host computer 100 cannot be started, the potential safety hazard is eliminated, and the safety is improved.

Referring to fig. 1, according to some embodiments of the second aspect of the present invention, a motor 160 is disposed in the main body 100, the motor 160 is used for rotating the stirring blade assembly 400, and the micro switch 110 controls the circuit of the motor 160 to be connected, so that the micro switch 110 must be connected first to start the motor 160.

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

Claims

1. Safety lock structure for mixer, its characterized in that includes:

the cup seat is connected to the upper end of the main machine;

the stirring cup is arranged on the cup seat;

the inclined moving piece is connected to the inside of the cup base;

2. A safety lock arrangement according to claim 1, wherein said oblique moving members are at least two and are circumferentially equispaced within said cup holder.

3. The safety lock structure according to claim 1 or 2, characterized in that the lower end of the oblique moving member is provided with a top rod, the top rod is matched with the vertical hole in shape, the bottom surface of the oblique guide groove is provided with a baffle plate, and the baffle plate is provided with a through hole for the top rod to pass through.

4. The structure of claim 3, wherein the safety movable rod is provided with a block with an area larger than that of the vertical hole, the lower end of the block is provided with a sliding rod, the sliding rod is sleeved with a spring, and the spring is connected to the host.

5. The safety lock structure of claim 4, wherein the sliding rod is further sleeved with a safety switch seat, two ends of the spring are respectively abutted against the stopper and the safety switch seat, and the micro switch is fixedly connected to the safety switch seat.

6. The safety lock structure according to claim 1, wherein a stirring knife assembly is connected to the middle of the cup base, the stirring knife assembly is provided with a pressing plate contacting the inclined moving member, and the stirring cup is in threaded connection with the cup base and presses the pressing plate.

7. A safety lock arrangement according to claim 1, wherein the angle of the guide ramp to the vertical is from 12 to 20 degrees.

8. A safety lock construction according to claim 1 or 7, wherein the diagonal moving member is displaced by a distance of 3mm to 5mm in the vertical direction and 1mm to 1.5mm in the horizontal direction.

9. A mixer, having a safety lock arrangement as claimed in any one of claims 1 to 8.

10. A mixer according to claim 9, wherein a motor is provided within the main body, the motor being electrically connected to the microswitch.