CN203468401U - Automatic lifting device and toaster - Google Patents

Abstract

The utility model discloses an automatic lifting device and a toaster. The automatic lifting device is used for the toaster. The automatic lifting device includes a frame (1), a guide shaft (2), and a (2) on the sliding frame (3) and the food bracket (4); the automatic lifting device also includes a first limit switch (5) and a second limit switch (5) for controlling the movement of the food bracket (4). 6), the motor (7), and the rocker (8) connected to the motor (7); the motor (7) drives the rocker (8) to drive the sliding frame (3) to slide along the guide shaft (2); the rocker The rod (8) is used to respectively touch the first limit switch (5) and the second limit switch (6) when swinging. The beneficial effect of implementing the utility model is: the automatic lifting device adopts a rocker and other structures to drive the food bracket to move up or down, and its movement is relatively stable, which effectively prevents the bread from being ejected during the baking process.

Description

Automatic lifting device and toaster

technical field

The utility model relates to the technical field of household appliances, in particular to an automatic lifting device and a toaster. the

Background technique

A toaster is an electric cooker used to toast sliced bread. The lifting device of the toaster in the prior art usually adopts a manual spring-type structure. When in use, the bread is first placed on the bread bracket, and the exposed operating handle is pressed downward, so that the bread bracket overcomes the spring force and moves along the The guide shaft moves downward. When the operating handle is pressed to the lowest position, the electromagnet set at the bottom of the toaster is closed and energized. At this time, the electromagnet attracts the armature located under the bread bracket, so that the bread bracket remains at the lowest position, and then the toaster works on the bread. Proceed to bake. When the toaster works to the set time, the electromagnet is powered off, and the bread bracket lifts the bread to the set position under the action of the spring force. However, due to the need to manually press the operating handle to overcome the spring force, its operation convenience is poor; secondly, the structure of the handle affects the appearance of the toaster; and cause the bread to pop out of the toaster. the

Utility model content

The technical problem to be solved by the utility model is to provide an easy-to-operate automatic lifting device and a toaster in view of the defect that the above-mentioned toaster of the prior art adopts a manual structure and has poor operation convenience. the

The technical solution adopted by the utility model to solve the technical problem is: construct an automatic lifting device for toasters, the automatic lifting device includes a frame, a guide shaft installed on the frame, a slidable The sliding frame installed on the guide shaft, and the food bracket fixedly installed on the sliding frame; the automatic lifting device also includes a first limit switch and a second limit switch for controlling the movement stroke of the food bracket Two limit switches, a motor, and a rocking bar connected to the motor drive; the motor drives the sliding frame to slide along the guide shaft by driving the rocking bar; the rocking bar is used for swinging Touch the first limit switch and the second limit switch. the

In the automatic lifting device described in the present utility model, the rocker includes a rod body, and a first touch part and a second touch part which are respectively arranged on the side wall of the end of the rod body close to the motor and are protruding. Touch part; the first limit switch and the second limit switch are located on both sides of the rocker; when the rocker swings, the first touch part is used to touch the first A limit switch, the second touch part is used to touch the second limit switch. the

In the automatic lifting device described in the utility model, the motor is installed on the frame; the rocker also includes a sliding hole opened on the end of the rod body away from the motor; the automatic lifting device also It includes a sliding piece fixedly installed on the sliding frame; the sliding piece is slidably installed in the sliding hole. the

In the automatic lifting device described in the utility model, the sliding hole is a through hole or a blind hole. the

In the automatic lifting device described in the utility model, the sliding hole is in the shape of a straight bar or an arc. the

In the automatic lifting device described in the utility model, the motor is installed on the sliding frame; the rocker also includes a sliding hole opened at the end of the rod body away from the motor; the automatic lifting device also It includes a sliding piece fixedly installed on the frame; the sliding piece is slidably installed in the sliding hole. the

In the automatic lifting device described in the present invention, the automatic lifting device also includes a first limiter fixedly installed at one end of the guide shaft, and a second limiter fixedly installed at the other end of the guide shaft . the

In the automatic lifting device described in the utility model, the motor is a slow synchronous motor. the

In the automatic lifting device described in the present invention, there is at least one guide shaft. the

The utility model also constructs a toaster, including the automatic lifting device described in any one of the above technical solutions. the

Implementing the automatic lifting device and the toaster of the utility model has the following beneficial effects: the automatic lifting device adopts a structure such as a rocker to drive the food bracket to move up or down. It is ejected during the roasting process; moreover, the automatic lifting device adopts the structure of the first limit switch and the second limit switch to automatically control the movement stroke of the food bracket, which is easy to operate and has a high degree of automation. the

Description of drawings

The utility model will be further described below in conjunction with accompanying drawing and embodiment, in the accompanying drawing:

Fig. 1 is a three-dimensional structural schematic diagram of an automatic lifting device for a toaster provided by one of the preferred embodiments of the present invention;

Fig. 2 is an explosion diagram of the automatic lifting device shown in Fig. 1;

Fig. 3 is a structural schematic diagram when the sliding frame in the automatic lifting device shown in Fig. 1 is in the highest position;

Fig. 4 is another schematic diagram of the structure when the sliding frame in the automatic lifting device shown in Fig. 1 is in the highest position;

Fig. 5 is a structural schematic diagram when the sliding frame in the automatic lifting device shown in Fig. 1 is in the lowest position;

Fig. 6 is another schematic diagram of the structure when the sliding frame in the automatic lifting device shown in Fig. 1 is in the lowest position;

Fig. 7 is a schematic structural view of the automatic lifting device for toasters provided by the second preferred embodiment of the present invention;

Fig. 8 is a schematic structural view of the automatic lifting device for toasters provided by the third preferred embodiment of the present invention;

Fig. 9 is a schematic structural view of the automatic lifting device for toaster provided in the fourth preferred embodiment of the present invention;

Fig. 10 is a schematic structural view of the automatic lifting device for toasters provided by the fifth preferred embodiment of the present invention. the

Detailed ways

In order to have a clearer understanding of the technical features, purposes and effects of the utility model, the specific implementation of the utility model is described in detail with reference to the accompanying drawings. the

As shown in FIG. 1 and FIG. 2 , one of the preferred embodiments of the present invention provides an automatic lifting device for a toaster. The automatic lifting device includes a frame 1, a guide shaft 2, a sliding frame 3, a food bracket 4, a first limit switch 5, a second limit switch 6, a motor 7, a rocking bar 8, a first limit member 9, The second limiting member 10 and the sliding member 11 . the

Specifically, as shown in FIGS. 1 and 2 , the guide shaft 2 is vertically installed on the frame 1 . The number of the guide shaft 2 is at least one, and in this embodiment, there are two guide shafts 2 . In other embodiments of the present utility model, the quantity of the guide shaft 2 also has other options, and the guide shaft 2 can be arranged obliquely. The sliding frame 3 is slidably installed on the guide shaft 2, and the food carriage 4 is fixedly installed on the sliding frame 3. The food carriage 4 is used to place the bread, and the rocking bar 8 can drive the slide frame 3 to slide along the guide shaft 2 to drive the bread to move up and down. The first limit switch 5 and the second limit switch 6 are fixedly installed on the frame 1 . The first limit switch 5 is located on one side of the rocking bar 8, and is used to limit the upward movement of the food bracket 4. The second limit switch 6 is located on the other side of the rocking bar 8, and is used to limit the downward movement of the food carriage 4. When rocking bar 8 swings, can respectively touch the microswitch of first limit switch 5 or contact piece and the second limit switch 6 microswitches or contact piece, thereby control the stroke of rocking bar 8 swings. The motor 7 is a slow synchronous motor, which is installed on the frame 1. In other embodiments of the present utility model, the motor 7 can also adopt other DC motors. The rocker 8 is in transmission connection with the output shaft (not shown) of the motor 7 , and the motor 7 drives the rocker 8 to drive the carriage 3 to slide along the guide shaft 2 . In this embodiment, the output shaft of the motor 7 is arranged horizontally, and the rocker 8 is vertically arranged with the output shaft of the motor 7, so that the rocker 8 can swing in a vertical plane. the

As shown in FIG. 3 and FIG. 4 , the joystick 8 includes a rod body 81 , a sliding hole 82 , a first touch portion 83 and a second touch portion 84 . The rod body 81 is generally a flat rod-shaped structure, one end of the rod body 81 is fixedly connected to the output shaft of the motor 7 , and the other end of the rod body 81 is connected to the sliding frame 3 in transmission. The sliding hole 82 is defined at the end of the rod body 81 away from the motor 7 . In this embodiment, the sliding hole 82 is straight, and the sliding hole 82 is a through-hole structure. The sliding piece 11 is roughly a cylindrical structure, which is fixedly installed on the sliding frame 3 , and the sliding piece 11 is slidably installed in the sliding hole 82 . The position where the slider 11 is fixedly mounted on the carriage 3 deviates from the centerline of the carriage 3 in the vertical direction, and the output shaft of the motor 7 coincides roughly with the centerline, so that the rocking bar 8 remains tilted during the swing process. Through the structure of the sliding member 11 and the sliding hole 82, the transmission connection between the rocker 8 and the sliding frame 3 is realized, and the structure is simple and the transmission is stable. The first touch part 83 and the second touch part 84 are respectively arranged on the side wall of the end of the rod body 81 close to the motor 7, and the first touch part 83 and the second touch part 84 are convex, it can also be understood That is, the first touch part 83 and the second touch part 84 respectively extend from the side wall of the end of the rod body 81 close to the motor 7 to the side away from the rod body 81 . When the rocking bar 8 swings, the first touch portion 83 can touch the first limit switch 5, and the second touch portion 84 can touch the second limit switch 6. the

As shown in Fig. 1, Fig. 3, Fig. 4, Fig. 5 and Fig. 6, when bread needs to be baked, the motor 7 is first started to operate, and the motor 7 drives the sliding frame 3 to move upward through the rocker 8 (see Fig. 3 and Fig. 4), when the first touch part 83 touches the micro switch or the contact piece of the first limit switch 5, the first limit switch 5 controls the motor 7 to stop working, and at this time the carriage 3 is on the guide shaft 2 and Under the combined action of the sliding holes 82, the highest position is maintained, and then the bread is placed on the food bracket 4; then the motor 7 is controlled to run in reverse, and the motor 7 drives the sliding frame 3 to move downward through the rocker 8 (see Figure 5 and shown in Figure 6), and then drive the food bracket 4 to slide down along the guide shaft 2, when the second touch part 84 touches the micro switch or contact piece of the second limit switch 6, the second limit switch 6 The control motor 7 stops working. At this moment, the food carriage 4 remains at the lowest position under the joint action of the guide shaft 2 and the slide hole 82, and then the bread is toasted. After the baking is finished, the motor 7 drives the food bracket 4 to slide upward along the guide shaft 2 through the rocker 8. When the first touch part 83 touches the first limit switch 5, the first limit switch 5 controls the motor 7 to stop Work, at this moment, food carriage 4 is positioned at highest position, promptly finishes the grilling operation of bread. With the above structure, the automatic lifting device moves relatively smoothly, which effectively prevents the bread from being ejected during the baking process; moreover, the automatic lifting device adopts the structure of the first limit switch 5 and the second limit switch 6 To automatically control the movement stroke of the food bracket 4, it is easy to operate and has a high degree of automation. the

As shown in FIG. 1 , the first limiting member 9 is fixedly installed on one end of the guide shaft 2 , and the second limiting member 10 is fixedly installed on the other end of the guide shaft 2 . The first limiting member 9 is located above the second limiting member 10 . The structure of the first limiting member 9 and the second limiting member 10 can limit the sliding stroke of the sliding frame 3 along the guide shaft 2 . When the sliding frame 3 is at the lowest position, the second limiting member 10 can also be used to support the sliding frame 3 . the

As shown in Figure 7, two of the preferred embodiments of the present invention provide a kind of automatic lifting device, and its difference from one of the embodiments is the structure of the sliding hole 82. In this embodiment, the sliding hole 82 is a blind hole structure. The opening of the blind hole faces the sliding frame 3 side. the

As shown in FIG. 8 , the third preferred embodiment of the present invention provides an automatic lifting device, which differs from the first embodiment in the structure of the sliding hole 82 . In this embodiment, the sliding hole 82 is arc-shaped, and the arc-shape is bent to a side away from the center of the sliding frame 3 . The arc-shaped sliding hole 82 structure is adopted, so that the sliding member 11 slides along the sliding hole 82 more smoothly. the

As shown in FIG. 9 , the fourth preferred embodiment of the present invention provides an automatic lifting device, which differs from the third embodiment in the structure of the sliding hole 82 . In this embodiment, the sliding hole 82 is in an arc shape, and the arc shape is bent toward a side close to the center of the sliding frame 3 . the

As shown in Figure 10, the fifth preferred embodiment of the present utility model provides an automatic lifting device, which differs from the first embodiment in the first limit switch 5, the second limit switch 6, the motor 7, The installation positions of the rocker 8 and the slider 11 and other structures. In this embodiment, the first limit switch 5 and the second limit switch 6 are fixedly installed on the sliding frame 3 . The motor 7 is installed on the sliding frame 3 , the sliding member 11 is fixedly installed on the frame 1 , and the sliding member 11 is slidably installed in the sliding hole 82 . Because the motor 7 is installed on the sliding frame 3, the frame 1 and the guide shaft 2 are fixedly installed, and when the motor 7 operates, the sliding frame 3 can also be driven to slide along the guide shaft 2. the

Based on the structure of the above-mentioned automatic lifting device, the utility model also provides a toaster, which includes the automatic lifting device described in any of the above-mentioned embodiments. The automatic lifting device adopts structures such as a rocker 8 to drive the food bracket 4 to move up or down, and its movement is relatively stable, which effectively prevents the bread from being ejected during the baking process; The structure of the first limit switch 5 and the second limit switch 6 can automatically control the movement stroke of the food bracket 4, which is easy to operate and has a high degree of automation. the

Embodiments of the present utility model have been described above in conjunction with the accompanying drawings, but the present utility model is not limited to the above-mentioned specific implementation, and the above-mentioned specific implementation is only illustrative, rather than restrictive, and those of ordinary skill in the art Under the enlightenment of the utility model, personnel can also make many forms without departing from the scope of protection of the purpose of the utility model and claims, and these all belong to the protection of the utility model. the

Claims (10)

1. An automatic lifting device for toasters, the automatic lifting device includes a frame (1), a guide shaft (2) mounted on the frame (1), slidably mounted on the The sliding frame (3) on the guide shaft (2), and the food bracket (4) fixedly installed on the sliding frame (3); it is characterized in that: the automatic lifting device also includes a The first limit switch (5) and the second limit switch (6) of the bracket (4) movement stroke, the motor (7), and the rocker (8) connected to the motor (7); The motor (7) drives the rocker (8) to drive the carriage (3) to slide along the guide shaft (2); the rocker (8) is used to respectively touch the first A limit switch (5) and the second limit switch (6). the 2. The automatic lifting device according to claim 1, characterized in that: the rocker (8) includes a rod body (81), and one end of the rod body (81) close to the motor (7) is arranged respectively. The first touch part (83) and the second touch part (84) are protruding on the side wall; the first limit switch (5) and the second limit switch (6) are located at the the two sides of the rocker (8); when the rocker (8) swings, the first touch part (83) is used to touch the first limit switch (5), and the second touch The control part (84) is used to touch the second limit switch (6). the 3. The automatic lifting device according to claim 2, characterized in that: the motor (7) is installed on the frame (1); the rocker (8) also includes a ) the sliding hole (82) at one end away from the motor (7); the automatic lifting device also includes a sliding piece (11) fixedly installed on the sliding frame (3); the sliding piece (11) can Slidably mounted in said slide hole (82). the 4. The automatic lifting device according to claim 3, characterized in that: the sliding hole (82) is a through hole or a blind hole. the 5. The automatic lifting device according to claim 3, characterized in that: the sliding hole (82) is straight or arc-shaped. the 6. The automatic lifting device according to claim 2, characterized in that: the motor (7) is installed on the sliding frame (3); the rocker (8) also includes a ) away from the sliding hole (82) at one end of the motor (7); the automatic lifting device also includes a sliding piece (11) fixedly installed on the frame (1); the sliding piece (11) can be Slidably mounted in said slide hole (82). the 7. The automatic lifting device according to claim 1, characterized in that: the automatic lifting device further comprises a first limiter (9) fixedly installed on one end of the guide shaft (2), and a first limiter (9) fixedly installed on the The second limiter (10) at the other end of the guide shaft (2). the 8. The automatic lifting device according to claim 1, characterized in that: the motor (7) is a slow synchronous motor. the 9. The automatic lifting device according to claim 1, characterized in that there is at least one guide shaft (2). the 10. A toaster, characterized by comprising the automatic lifting device according to any one of claims 1-9. the

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