Electric can opener

Abstract

The utility model relates to the technical field of can opener equipment, in particular to an electric can opener, which comprises a shell, a driving device and a driving device, the cutter wheel is arranged outside the mounting cavity; the motor is arranged in the mounting cavity, and the power output end of the motor is in meshed connection with a speed limiting mechanism; the first transmission mechanism is in meshed connection with the output end of the speed limiting mechanism; the first transmission mechanism further comprises a transmission output part, the transmission output part is detachably connected with the cutter wheel in an assembled mode, the cutter wheel in the technical scheme can be detached and replaced, and therefore the problems that in the prior art, the cutter wheel of an electric can opener is fixedly connected with a body of the electric can opener, and in the actual using process, the cutter wheel cannot be replaced easily are solved. The cutter wheel is easy to wear during use; and the cutter wheel cannot be normally used due to fixed connection.

Description

TECHNICAL FIELD

[0001] The utility model relates to a can opener equipment technical field especially a kind of electric can opener. BACKGROUND

[0002] Before the emergence of electric can opener, people mainly use manual can opener. Manual can opener is generally through mechanical lever principle, utilizes the rotary force of handle to cut the lid of can. User needs to press the cutting wheel of can opener at the edge of can lid, then manually rotates handle, so that cutting wheel rotates along the edge of can lid a round, to open can. This way is more difficult for small force person to operate.

[0003] With the development of science and technology and the pursuit of people's life convenience, electric can opener emerges as the times require. Its basic principle is to use motor drive to convert manual operation into electric operation. Its original design is to make the can opening process more easy and efficient, reduce the burden of manual operation.

[0004] For example, the utility model patent with publication number CN214828907 U discloses a kind of electric can opener drive mechanism and the electric can opener with the drive mechanism, wherein the drive mechanism, including motor, transmission mechanism and brake mechanism, the brake mechanism includes: input end, the first load of electric can opener can be braked, the transmission mechanism is transmitted to input end from the output of motor;First brake gear, the first brake gear is connected with input end and is rotated by input end;Second brake gear;Output end, by second brake gear movement, the second load of electric can opener can be braked;The motor is the motor that can be positive and reverse, the first brake gear and second brake gear are integrated structure and synchronous action.

[0005] Although the technology has made progress, the cutter wheel of the electric can opener is fixedly connected with the body of the electric can opener, and in actual use, the cutter wheel is easy to wear out, so that the electric can opener cannot be replaced when it cannot be used.

[0006] Therefore, the above technical problems need to be solved. INVENTION CONTENTS

[0007] In order to overcome the shortcomings of the prior art, the utility model provides an electric can opener, which aims to realize the replacement of the cutter wheel of the electric can opener, to solve the problem that the cutter wheel of the electric can opener is easy to wear out and the electric can opener cannot be used continuously.

[0008] In order to solve the above technical problems, the basic technical scheme of the utility model is as follows:

[0009] An electric can opener, comprising:

[0010] A shell, which is internally hollow to form a mounting cavity;

[0011] A cutter wheel, which is arranged outside the mounting cavity;

[0012] A motor, which is arranged in the mounting cavity, and the power output end of the motor is engaged with a speed limiting mechanism;

[0013] characterized in that it further comprises:

[0014] A first transmission mechanism, which is engaged with the output end of the speed limiting mechanism;

[0015] The first transmission mechanism further comprises a transmission output part, which is detachably assembled with the cutter wheel.

[0016] Further, the detachable assembly connection comprises a screw hole assembly connection, wherein the screw hole is arranged in the transmission output part, and the screw is screwed with the screw hole.

[0017] Further, the transmission output part comprises a connecting bearing, and the screw hole is arranged in the connecting bearing;

[0018] The upper end of the connecting bearing is arranged in the upper power gear;

[0019] The lower end of the connecting bearing is arranged in the second limiting gear;

[0020] The lower end face of the connecting bearing extends out of the shell, and the cutter wheel is detachably assembled in the screw hole of the connecting bearing.

[0021] Further, the first transmission mechanism comprises an upper power gear, one part of which is engaged with the output end of the speed limiting mechanism;

[0022] It further comprises a second transmission mechanism, which comprises a second limiting gear, and the lower part of the second limiting gear has a transmission gear;

[0023] The other part of the upper power gear is engaged with the second limiting gear;

[0024] The lower part of the upper power gear has a first limiting gear;

[0025] The first limiting gear is engaged with the transmission gear.

[0026] Further, the motor has a forward rotation state and a reverse rotation state, and the motor is transmissionally connected with the first limiting gear through the speed limiting mechanism;

[0027] The first transmission mechanism further comprises a moving seat arranged below the first limiting gear and in transmission connection with the first limiting gear, which can produce horizontal movement relative to the housing under rotation of the first limiting gear;

[0028] The moving seat is further connected with a cutter head which is exposed outside the housing;

[0029] When the motor controls the first limiting gear to rotate in the forward direction, the moving seat moves horizontally towards the direction of the cutter wheel so as to drive the cutter head to move towards the direction of the cutter wheel until the cutter head abuts against the cutter wheel;

[0030] When the motor controls the first limiting gear to rotate in the reverse direction, the moving seat moves horizontally towards the opposite direction of the cutter wheel so as to drive the cutter head to move away from the cutter wheel.

[0031] Further, the motor drives the first transmission mechanism and further drives the second transmission mechanism to produce a rotating state or a stationary state;

[0032] The second limiting gear comprises a half-tooth piece and a stopper;

[0033] After the half-tooth piece and the stopper are embeddedly connected, the edge ends of the half-tooth piece and the stopper are on the same sawtooth line;

[0034] When the second limiting gear produces a stationary state relative to the upper power gear, the stopper just contacts the upper power gear.

[0035] Further, the cutter head has a first transmission track;

[0036] After the cutter wheel abuts against the cutter head, the cutter wheel moves along the first transmission track.

[0037] Further, the cutter head is arranged to be inclined on the lower surface of the housing.

[0038] Further, the first transmission mechanism further comprises a cutter base for isolating the side end surface of the cutter wheel towards the cut object from direct contact with the cut object.

[0039] Further, an electric control board and a battery are further included;

[0040] The electric control board is electrically connected with the battery and the motor respectively.

[0041] The utility model has the advantages of:

[0042] The utility model discloses a technical scheme of an electric can opener, which is arranged in a detachable assembly connection mode with the cutter wheel, to solve the problem that the cutter wheel of the electric can opener in the prior art is prone to wear during long-term use and affects the can opening. BRIEF DESCRIPTION OF DRAWINGS

[0043] Figure 1 It is the structure explosion schematic diagram of the embodiment one of the utility model;

[0044] Figure 2 It is the structure schematic diagram of the speed limiting mechanism of the utility model;

[0045] Figure 3 It is the structure schematic diagram of the first transmission mechanism of the utility model;

[0046] Figure 4 It is the explosion schematic diagram of the first transmission mechanism of the utility model;

[0047] Figure 5 It is the structure schematic diagram of the transmission output part of the utility model;

[0048] Figure 6 It is the structure schematic diagram of the second transmission mechanism of the utility model;

[0049] Figure 7 It is the steering schematic diagram of the motor of the utility model;

[0050] Figure 8 It is the structure schematic diagram of the cutter head and the cutter wheel close to each other of the utility model;

[0051] Figure 9 It is the structure schematic diagram of the cutter head and the cutter wheel separation of the utility model

[0052] Mark explanation:

[0053] 1 - shell, 11 - upper shell, 12 - lower shell, 13 - installation cavity, 2 - cutter wheel, 3 - motor, 31 - power output end, 4 - speed limiting mechanism, 41 - input end, 42 - speed limiting wheel, 43 - output end, 5 - first transmission mechanism, 51 - transmission output part, 511 - connecting bearing, 512 - screw hole, 52 - upper power gear, 53 - first limit gear, 54 - moving seat, 55 - cutter base, 6 - second transmission mechanism, 61 - second limit gear, 611 - half tooth piece, 612 - loss stopper, 62 - transmission gear, 7 - electric control board, 8 - battery, 9 - cutter head, 91 - first transmission track. DETAILED DESCRIPTION

[0054] The following will be combined with the drawings Figure 1 to the drawings Figure 9The technical solutions of the embodiments of the utility model are clearly and completely described, obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of protection of the utility model.

[0055] The electric can opener is driven by electricity, and the motor of the electric can opener can rotate quickly to complete the can opening operation in a short time. Unlike the manual can opener, the electric can opener does not need to rely on human power to rotate or pry to open the can. For people with less strength, such as the elderly, children, people with hand injuries or people with hand joint diseases, the electric can opener can easily open the can, avoiding hand fatigue or injury caused by excessive force. The electric can opener can quickly cut along the edge of the can lid, greatly saving the time for opening the can, and the efficiency advantage is more obvious especially in the case of needing to open multiple cans.

[0056] The electric can opener is easy to operate, and usually only needs to align the blade of the can opener with the can lid, press the switch or pull the operating rod, and the can opener can automatically complete the cutting work. Moreover, the electric can opener does not need too much skill and experience during use, and even a person who uses it for the first time can easily use it.

[0057] The electric can opener has high safety, and the blade is hidden inside the machine when not working, and only the part in contact with the can lid will be extended for cutting, so that the user can be prevented from being accidentally touched by the blade and being injured. The electric can opener can well adapt to various shapes and sizes of cans such as round cans, square cans and oval cans, and has wide applicability. Moreover, the electric can opener can easily open some cans with hard material and good sealing can lid, overcoming the problem that the manual can opener may have difficulty in opening these cans.

[0058] However, the cutter wheel of the existing electric can opener is easy to wear during use. Since the cutter wheel is fixedly connected with the electric can opener, the cutter wheel cannot be replaced even if it is worn, resulting in the problem that the electric can opener is not easy to use or cannot be used.

[0059] To this end, the present application provides an electric can opener, which aims to solve the problem that the cutter wheel of the existing electric can opener is fixedly connected with the electric can opener, and the cutter wheel cannot be replaced due to wear after long-term use, resulting in the problem that the electric can opener is not easy to use or cannot be used.

[0060] Specifically, as Figure 1As shown in the figure, an electric can opener comprises a housing 1, which has an upper shell 11 and a lower shell 12. When the upper shell 11 is covered on the lower shell 12, an internal hollow mounting cavity 13 is formed.

[0061] The mounting cavity 13 is externally equipped with a cutter wheel 2 and a cutter head 9. When the electric can opener abuts on the surface of a can body, the cutter wheel 2 cooperates with the cutter head 9 to realize the opening of the can body.

[0062] The internal part of the mounting cavity 13 is equipped with an electric control board 7, which is electrically connected with a motor 3 and a battery 8. The electric control board 7 is further connected with a switch button, which is exposed on the external surface of the housing 1. A user can operate the switch button to make the electric control board 7 control the working state of the motor 8. The battery 8 provides power for the electric can opener, so that the electric can opener can work without being connected with an electric wire.

[0063] In detail, as shown in the figure, Figure 2 The motor 3 has a power output end 31, which is engagedly connected with a speed limiting mechanism 4. The speed limiting mechanism 4 is used to limit the speed of the power output end 31. As shown in the figure, the speed limiting mechanism 4 comprises an input end 41, one end of which close to the power output end 31 is engagedly connected with the power output end 31, and the side of the input end 41 away from the power output end 31 is engagedly connected with a speed limiting wheel 42, which is engagedly connected with an output end 43. The speed limiting mechanism 4 is connected through a plurality of gears to lengthen the torque output.

[0064] Further, the output end 43 is engagedly connected with a first transmission mechanism 5. As shown in the figure, Figure 3As shown, specifically, the first transmission mechanism 5 comprises an upper power gear 52, which is a disc with sawtooth-shaped edges arranged circumferentially, one part of the upper power gear 52 is connected in mesh with the output end 43 of the speed limiting mechanism 4, i.e. the position where part of the sawtooth of the upper power gear 52 is connected in mesh with the output end 43 of the speed limiting mechanism 4. Below the upper power gear 52 is a first limit gear 53, below the first limit gear 53 is a moving seat 54, the first limit gear 53 and the moving seat 54 are assembled and connected by insertion, the moving seat 54 comprises a first movable piece 541 and a second movable piece 542, each of which is provided with a through hole, and the two through holes are coaxially arranged. Specifically, the insertion is that the lower part of the first limit gear 53 has a protruding part which is inserted into the through hole on the moving seat 54 to realize the pivotal connection of the moving seat 54 and the first limit gear 53. The moving seat 54 can move horizontally relative to the shell 1 under the rotation of the first limit gear 53, and the moving seat 54 is further connected with a tool bit 9 which is exposed outside the shell 1 and is arranged obliquely to the lower surface of the shell 1.

[0065] Further, the first transmission mechanism 5 is further connected in mesh with a second transmission mechanism 6. As shown, Figure 6 Specifically, the second transmission mechanism 6 has a second limit gear 61, below the second limit gear 61 is a transmission gear 62, the second limit gear 61 and the transmission gear 62 are coaxially arranged and assembled and connected by insertion. In addition, the second limit gear 61 is connected in mesh with the upper power gear 52, and the transmission gear 62 is connected in mesh with the first limit gear 53.

[0066] Further, as shown, Figure 3 The tool bit 9 has a first transmission track 91, after the tool wheel 2 abuts against the tool bit 9, the tool wheel 2 moves along the first transmission track 91.

[0067] It should be understood that when the electric can opener works, the tool bit 9 is driven by the moving seat 54, the tool bit 9 and the tool wheel 2 approach each other, and the edge of the can to be opened is clamped between the tool bit 9 and the tool wheel 2.

[0068] The specific working process is: when the user presses the switch button, the motor 3 starts to rotate in the positive direction, the positive rotation of the motor 3 drives the speed limiting mechanism 4 to rotate, the speed limiting mechanism 4 in turn drives the first transmission mechanism 5 to rotate in the positive direction, and the first transmission mechanism 5 drives the second transmission mechanism 6 to rotate. In detail, the upper power gear 52 meshes with the second limit gear 61 to generate rotation in the opposite direction of the upper power gear 52. Since the second limit gear 61 is coaxially arranged with the upper power gear 52, when the second limit gear 61 rotates, the transmission gear 62 also rotates in the same direction as the second limit gear 61, so the transmission gear 62 rotates in the opposite direction of the upper power gear 52. It should be noted that the positive rotation is as follows Figure 7 The arrow direction rotates from left to right.

[0069] It should be noted that since the upper power gear 52 is meshed and connected with the output end 43 in the speed limiting mechanism 3, it is also meshed and connected with the second limit gear 61. In order not to affect the operation of the output end 43 and the second limit gear 61 respectively, the other part of the upper power gear 52 refers to the part meshed and connected with the second limit gear 61, which is not in the same position as the meshed and connected part of the output end 43 and the upper power gear 52. The first limit gear 53 is meshed and connected with the transmission gear 62.

[0070] Therefore, when the transmission gear 62 rotates, the transmission gear 62 drives the first limit gear 53 to drive the moving seat 54 to move along the horizontal direction of the shell 1, thereby causing the cutter head 9 to move relative to the cutter wheel 2. In this embodiment, the motor 3 rotates in the positive direction, so the cutter head 9 moves towards the cutter wheel 2 to achieve the occlusion and fixation of the edge of the can body to open the can.

[0071] At the same time, the cutter wheel 2 rotates along the edge of the can body by the friction force with the edge of the can body. At the same time, on the other side of the edge of the can body, since the cutter head 9 is inclined, it can push the edge of the can body that needs to be opened towards the cutter wheel 2. Under the cooperation of the cutter head 9 and the cutter wheel 2, the cutter wheel 2 can effectively cut the edge of the can body.

[0072] In another use scenario, the motor 3 is reversed, i.e. rotates from right to left as shown in the figure, in this scenario, the cutter head 9 is away from the cutter wheel 2 to facilitate the user to take the electric can opener off the can body. Figure 7

[0073] ​Further, the second transmission mechanism 6 has two states of rotation or static state; in detail, the second limiting gear 61 comprises a half tooth piece 611 and a stop piece 612; the half tooth piece 611 and the stop piece 612 are embeddedly connected with their edge ends on the same sawtooth line; when the second limiting gear 61 is in static state relative to the upper power gear 52, the stop piece 612 just contacts the upper power gear 52.

[0074] From the above, it should be understood that the motor 3 drives the speed limiting mechanism 4, the speed limiting mechanism 4 drives the first transmission mechanism 5, and the first transmission mechanism 5 drives the second transmission mechanism 6, so as to realize the control of the motor 3 on the first transmission mechanism 1 and the second transmission mechanism 6.

[0075] In the embodiment, when the user presses the switch button, the motor 3 starts to work and rotates forward, as shown in the paper arrow direction, rotating from left to right as forward rotation. Figure 7 When the motor 3 drives the speed limiting mechanism 4 to rotate forward, the output end 43 of the speed limiting mechanism 4 drives the upper power gear 52 to rotate forward. The upper power gear 52 is meshingly connected with the second limiting gear 61, and the second limiting gear 61 has a half tooth piece 611 and a stop piece 612. Therefore, when the upper power gear 52 rotates forward, as shown in the figure, the input end of the second limiting gear 61 is located at the starting position A of the half tooth piece 611, and drives the second limiting gear 61 to rotate reversely relative to the upper power gear 52. Figure 5 When the half tooth piece 611 rotates to the position of the stop piece 612, at this time, the moving seat 54 drives the cutter head 9 to move away from the cutter wheel 2. At this time, the edge of the can to be opened is placed between the cutter wheel 2 and the cutter head 9, so as to realize the connection of the can edge and the electric can opener.

[0076] When the half tooth piece 611 rotates to the stopper 612, the second limiting gear 53 cannot continue to rotate along the upper power gear 52 because there is no sawtooth behind the stopper 612. Therefore, the second limiting gear 53 will stop moving relative to the upper power gear 52 when it rotates to the position B in the drawing, i.e. when the second limiting gear 61 rotates to the position B, the second limiting gear 61 is in contact with the upper power gear 52 but not in abutment, i.e. the second limiting gear 61 has a force to resist the movement of the upper power gear 52. Therefore, the stopper 612 is preferably made of metal, which is beneficial to the wear of the stopper 612 due to the contact and friction with the upper power gear 52.

[0077] It should also be noted that when the second limiting gear 52 stops rotating, as shown in Figure 8 , the cutter wheel 2 of the electric can opener of the present embodiment is in abutment with the cutter head 9, and the cutter wheel 2 can rotate along the edge of the can body under the action of the first transmission track 91. Specifically, under the transmission of the upper power gear 52, since the transmission output part 51 is coaxially arranged with the upper power gear 52, and the cutter wheel 2 is arranged at the transmission output part 51, the upper power gear 52 continues to drive the cutter wheel 2 to rotate under the transmission of the motor 3. That is, at this time, the cutter wheel 2 performs a cutting motion along the edge of the can body, and the cutter wheel 2 realizes the opening of the can body under the cooperation of the cutter head 9.

[0078] When the cutter wheel 2 completes the opening of the can body, it takes 30S to 35S, which is calculated by counting the circumference of the common can body on the market combined with the rotation speed of the motor 3, and belongs to the prior art. When the time exceeds 30S to 35S, the motor 3 reverses the rotation. Accordingly, the first transmission mechanism 5 and the second transmission mechanism 6 are reversely rotated, at which time, as shown in Figure 9 , the cutter head 9 is separated from the cutter wheel 2, and the user can then remove the electric can opener and enjoy the food in the can body.

[0079] In addition, in order to solve the problem that the cutter wheel of the electric can opener in the prior art is fixedly connected with the device, and cannot be replaced when the cutter wheel is worn, resulting in poor use of the electric can opener.

[0080] Further, the first transmission mechanism 5 further comprises a transmission output part 51, as shown in Figure 3 , Figure 4 , Figure 5As shown, the transmission output part 51 is detachably assembled with the cutter wheel 2. The user can replace the cutter wheel 2 through the transmission output part 51, so as to replace the new cutter wheel 2 when the cutter wheel 2 is worn out, thereby facilitating the normal use of the electric can opener.

[0081] Further, the detachable assembled connection includes screw hole assembled connection. The screw hole is arranged in the transmission output part 51, and it should be understood that the cutter wheel 2 should have an assembled hole matched with the screw hole. The outer thread of the screw is screwed with the inner thread in the screw hole by inserting the screw into the assembled hole and the screw hole, so as to detachably assemble the cutter wheel 2 in the transmission output part 51. In this way, the cutter wheel 2 is replaced, so as to solve the problem that the cutter wheel of the electric can opener is easily worn out and cannot be replaced during use.

[0082] In the embodiment, the transmission output part 51 is a connecting bearing 511, and the screw hole 512 is arranged in the connecting bearing 511. The upper end of the connecting bearing 511 is arranged in the upper power gear 52, the lower end of the connecting bearing 511 is arranged in the first limiting gear 53, the lower end face of the connecting bearing 511 extends out of the shell 1, and the cutter wheel 2 is detachably assembled in the screw hole 512 of the connecting bearing 511. Specifically, the cutter wheel 2 has an assembled hole matched with the screw hole 512. When the assembled hole is coaxially arranged with the screw hole 512, the screw is inserted into the assembled hole and the screw hole 512 in sequence, and then the outer thread of the screw is screwed with the inner thread in the screw hole 512, so as to assemble the cutter wheel 2 in the connecting bearing 511.

[0083] It should be understood that when the cutter wheel 2 needs to be replaced, the cutter wheel 2 can be detached by screwing the screw out of the screw hole 512 in the opposite direction of the screw direction.

[0084] In summary, the cutter wheel 2 is replaced by detachable assembled connection with the connecting bearing 511. Therefore, the problem that the electric can opener is not easy to use due to the fixed connection between the cutter wheel 2 and the electric can opener and the cutter wheel 2 cannot be replaced during use can be solved.

[0085] In another embodiment, the cutter wheel 2 and the transmission output part 51 are snap connected. Specifically, the cutter wheel 2 has an insertion end, and the insertion end is inserted into the screw hole to realize the assembled connection of the cutter wheel 2 and the transmission output part 51 in an interference assembly manner.

[0086] It should be noted that in the embodiment, the cutter head 9 is detachably connected with the second transmission member 542, specifically Figure 4 The second transmission member 542 extends outwardly with a connecting rod, and the cutter head 9 has a groove on the side facing the connecting rod, which is fitted and connected with the connecting rod through the groove, so as to achieve the detachable connection between the cutter head and the second transmission member 542, that is, the cutter head 9 in the embodiment is also replaceable, and when the cutter head 9 is worn, the normal use of the machine can be maintained by replacing the cutter head 9.

[0087] Further, the first transmission mechanism 5 further comprises a cutter base 55 for isolating the side end surface of the cutter wheel 2 facing the cut object from direct contact with the cut object.

[0088] It should be understood that in this way, when the electric can opener is placed on the surface of the can body, the cutter wheel 2 does not directly contact the surface of the can body, so as to avoid friction between the cutter wheel 2 and the surface of the can body, thereby affecting the rotation of the cutter wheel 2.

[0089] In summary, the electric can opener of the technical solution, the cutter wheel 2 and the transmission output part 51 can be detachably connected. Therefore, when the cutter wheel 2 is worn, only a new cutter wheel needs to be replaced, so as to overcome the problem that the electric can opener in the prior art is permanently dull and cannot effectively open the can body.

[0090] According to the disclosure and teaching of the above description, those skilled in the art of the present application can also make changes and modifications to the above embodiments. Therefore, the present application is not limited to the specific embodiments disclosed and described above, and some modifications and changes of the present application should also fall within the protection scope of the claims of the present application. In addition, although some specific terms are used in the specification, these terms are only for convenience of explanation and do not constitute any limitation on the present application.

Claims

1. An electric can opener, comprising: a housing, which is internally hollow to form a mounting cavity; a cutter wheel, which is arranged outside the mounting cavity; a motor, which is arranged in the mounting cavity, and the power output end of the motor is engaged with a limiting mechanism; characterized in that it further comprises: a first transmission mechanism, which is engaged with the output end of the limiting mechanism; the first transmission mechanism further comprises a transmission output part, which is detachably assembled with the cutter wheel.

2. The electric can opener according to claim 1, characterized in that: the first transmission mechanism comprises an upper power gear, one part of which is engaged with the output end of the limiting mechanism; it further comprises a second transmission mechanism, which comprises a second limiting gear, the lower part of which has a transmission gear; the other part of the upper power gear is engaged with the second limiting gear; the lower part of the upper power gear has a first limiting gear; the first limiting gear is engaged with the transmission gear.

3. The electric can opener according to claim 2, characterized in that: the detachable assembly connection comprises a screw hole assembly connection, wherein the screw hole is arranged in the transmission output part, and the screw is screwed with the screw hole.

4. The electric can opener according to claim 3, characterized in that: the transmission output part comprises a connecting bearing, the screw hole is arranged in the connecting bearing; the upper end of the connecting bearing is arranged in the upper power gear; the lower end of the connecting bearing is arranged in the second limiting gear; the lower end surface of the connecting bearing extends out of the housing, and the cutter wheel is detachably assembled in the screw hole of the connecting bearing.

5. The electric can opener according to claim 2, characterized in that: the motor has a forward rotation state and a reverse rotation state, and the motor is transmissionally connected with the first limiting gear through the limiting mechanism; the first transmission mechanism further comprises a moving seat, which is arranged below the first limiting gear and is transmissionally connected with the first limiting gear, and the moving seat can move horizontally relative to the housing under the rotation of the first limiting gear; the moving seat is further connected with a cutter head, which is exposed outside the housing; when the motor controls the first limiting gear to rotate forward, the moving seat moves horizontally to the direction of the cutter wheel, thereby driving the cutter head to move to the direction of the cutter wheel until the cutter head abuts against the cutter wheel; when the motor controls the first limiting gear to rotate reversely, the moving seat moves horizontally to the opposite direction of the cutter wheel, thereby driving the cutter head to move away from the cutter wheel.

6. The electric can opener according to claim 2, characterized in that: the motor drives the first transmission mechanism and further drives the second transmission mechanism to generate a rotation state or a stationary state; the second limiting gear comprises a half tooth piece and a stop loss piece; the half tooth piece and the stop loss piece are embeddedly connected, and the edge ends of them are on the same sawtooth line. When the second limit gear is in a static state relative to the upper power gear, the stopper just contacts the upper power gear.

7. The electric can opener of claim 5, wherein: the cutter head has a first transmission track; after the cutter wheel abuts against the cutter head, the cutter wheel moves along the first transmission track.

8. The electric can opener of claim 5, wherein: the cutter head is obliquely arranged on the lower surface of the shell.

9. The electric can opener of claim 1, wherein: the first transmission mechanism further comprises a cutter base for isolating the side end surface of the cutter wheel facing the object to be cut from directly contacting the object to be cut.

10. The electric can opener of any one of claims 1-9, further comprising: an electric control board and a battery; the electric control board is electrically connected with the battery and the motor, respectively.

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