Door opening and closing mechanism of baking oven

Abstract

The door opening and closing mechanism of the baking oven comprises an oven body and a plurality of oven doors, a plurality of baking cavities are formed in the oven body, the oven doors are rotatably installed at openings of the corresponding baking cavities, a first transmission rod is fixed to one side of each oven door, and the tail end of each first transmission rod is detachably connected with a second transmission rod; the box body is further provided with a driving device, and the driving device is connected with the second transmission rod to drive the box door to rotate, open and close. Under normal conditions, the box door can be driven by the driver to be automatically opened and closed. When equipment breaks down or is powered off, the first transmission rod and the second transmission rod can be detached, and at the moment, a user can manually open the oven door to take out baked food in the oven body.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of baking oven, especially to a switch door mechanism of baking oven. BACKGROUND

[0002] Baking, also known as roasting, is a process of drying and hardening materials by dry heat below the ignition point of the materials. Baking is an indispensable step in the production of cookies, shortbread cakes, and bread. After baking, starch gelatinization and protein denaturation occur, resulting in chemical changes that achieve the purpose of ripening and change the taste of food.

[0003] Current medium and large baking ovens often use automatic doors driven by a single drive to open and close automatically. However, this automatic door has the following problems: when the equipment malfunctions or loses power, the door may not open. INVENTION CONTENTS

[0004] Therefore, the purpose of the utility model is to provide a switch door mechanism for a baking oven that can automatically open and close the door and manually open the door in case of failure.

[0005] The technical solution adopted by the utility model to solve the technical problem is as follows:

[0006] A switch door mechanism for a baking oven includes a cabinet and several doors. The cabinet has several baking cavities inside. The doors are rotatably installed at the openings of the corresponding baking cavities. One side of the door is fixed with a first transmission rod. The end of the first transmission rod is detachably connected with a second transmission rod. The cabinet is also provided with a drive device. The drive device is connected with the second transmission rod to drive the door to rotate and open or close.

[0007] In a preferred embodiment of the utility model, the first transmission rod and the second transmission rod are connected by a lockable clamp. The end of the first transmission rod is provided with a first joint, and the first end of the second transmission rod is provided with a second joint. The end face of the first joint and the end face of the second joint are in abutment, and both are locked by the same clamp.

[0008] In a preferred scheme of the utility model, the clamp includes arc first hoop strip and arc second hoop strip, the first hoop strip's head end and second hoop strip's head end articulate, the first hoop strip's tail end and second hoop strip's tail end are detachably connected through fastener, the outer peripheral wall of first joint is provided with first annular table, the outer peripheral wall of second joint is provided with second annular table, the inside of first hoop strip is provided with first clamping groove that can lock first annular table and second annular table simultaneously in it, the inside of second hoop strip is provided with second clamping groove that can lock first annular table and second annular table simultaneously in it.

[0009] In a preferred scheme of the utility model, the fastener includes screw rod and nut, the head end of first hoop strip is provided with connecting seat, the connecting seat is provided with lock slot, the lock slot has opening end, the screw rod penetrates the lock slot, the lower end of screw rod articulates with the connecting seat and can exit from the opening end of lock slot when screw rod rotates, the nut engages with the screw rod and the lower surface of nut abuts against the upper surface of connecting seat.

[0010] In a preferred scheme of the utility model, the box door is connected with the box body through hinge.

[0011] In a preferred scheme of the utility model, the box body is fixed with cylinder seat, the driving device includes a cylinder, the cylinder includes cylinder body and output shaft, the rear end of cylinder body articulates with the cylinder seat, the front end of output shaft articulates with the second transmission rod.

[0012] The utility model discloses the beneficial effects are: normal circumstances, can drive the box door to open and close automatically through driver. When the equipment breaks down or power failure, can be with, first transmission rod and second transmission rod are detached, when user can open the box door manually, and take out the baked food in the box body. ACCURACY OF DRAWINGS

[0013] Fig. 1 It is the perspective drawing of baking oven;

[0014] Fig. 2 It is the connection structure schematic view of box door, first transmission rod, second transmission rod;

[0015] Fig. 3 It is the exploded view of the connection structure of first transmission rod, second transmission rod. DETAILED DESCRIPTION

[0016] The technical scheme of the utility model will be described clearly and completely in conjunction with the drawings.

[0017] It should be noted that all directional indications (such as upper, lower, left, right, front, back, etc.) in the present application are only used to explain the relative position relationship, movement condition, etc. between components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directional indications will also change accordingly. In addition, the description of "preferred", "second preferred" and the like in the present application is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of indicated technical features. Therefore, the features with "preferred" and "second preferred" can be explicitly or implicitly included at least one of the features.

[0018] With reference to Figs. 1 to 3 The utility model provides a kind of switch door mechanism of baking oven, including box 1 and several box doors 2, box door 2 is connected with box 1 by hinge. Box 1 has several baking cavities 10, box door 2 is rotatably installed at the opening of corresponding baking cavity 10, the side of box door 2 is fixed with first transmission rod 3, the end of first transmission rod 3 is detachably connected with second transmission rod 4, box 1 is also provided with driving device, and driving device is connected with second transmission rod 4 to drive box door 2 to rotate open and close.

[0019] The number of box door 2 and baking cavity 10 is equal, and the number thereof can be 1, 2, 3, 5, 8, etc.

[0020] Preferably, first transmission rod 3 and second transmission rod 4 are connected by unlockable clamp 5, the end of first transmission rod 3 is provided with first joint 31, and the head of second transmission rod 4 is provided with second joint 41. The end face of first joint 31 is in abutment with the end face of second joint 41, and both are locked by the same clamp 5. Specifically, clamp 5 includes arc-shaped first clamp strip 51 and arc-shaped second clamp strip 52, the head of first clamp strip 51 is hinged with the head of second clamp strip 52, and the end of first clamp strip 51 is detachably connected with the end of second clamp strip 52 by fastener. First joint 31 is provided with first annular table 311 on the outer peripheral wall, second joint 41 is provided with second annular table 411 on the outer peripheral wall, the inner side of first clamp strip 51 is provided with first clamping groove 511 capable of locking first annular table 311 and second annular table 411 simultaneously, and the inner side of second clamp strip 52 is provided with second clamping groove 521 capable of locking first annular table 311 and second annular table 411 simultaneously.

[0021] As a preferred solution of the fastener, the fastener comprises a screw rod 53 and a nut 54, the first end of the first clamping strip 51 is provided with a connecting seat 512, the connecting seat 512 is provided with a locking groove 513, the locking groove 513 has an open end, the screw rod 53 penetrates through the locking groove 513, the lower end of the screw rod 53 is hinged to the connecting seat 512 and the screw rod 53 can exit from the open end of the locking groove 513 when the screw rod 53 rotates, and the nut 54 is engaged with the screw rod 53 and the lower surface of the nut 54 abuts against the upper surface of the connecting seat 512.

[0022] The advantage of the solution is that, under normal circumstances, the box door 2 can be automatically opened and closed by the driver. When the equipment fails or power is cut off, the nut 54 can be loosened, then the screw rod 53 is rotated to exit from the locking groove 513, and then the clamping hoop 5 can be opened. After the clamping hoop 5 is opened, the first transmission rod 3 and the second transmission rod 4 are disconnected, and at this time, the user can manually open the box door 2 to take out the baked food in the box body 1.

[0023] In some preferred solutions of the utility model, other connecting structures can be used to replace the clamping hoop 5, for example, the first transmission rod 3 and the second transmission rod 4 are connected through flanges.

[0024] In a preferred solution of the utility model, the box body 1 is fixed with a cylinder seat 12, the driving device comprises a cylinder 6, the cylinder 6 comprises a cylinder body and an output shaft, the rear end of the cylinder body is hinged to the cylinder seat 12, and the front end of the output shaft is hinged to the second transmission rod 4.

[0025] In some solutions of the utility model, the driving device can also adopt other structural forms, for example, an electric cylinder is used to replace the cylinder 6; or a speed reducer motor is used, the output end of the speed reducer motor is directly connected with the second transmission rod 4, thereby driving the box door 2 to rotate to open and close.

[0026] The above are only preferred embodiments of the utility model, and do not limit the patent range of the utility model, and any equivalent structural transformation made according to the utility model specification and the drawings contents, or direct or indirect application in other related technical fields are included in the patent protection range of the utility model.

Claims

1. A switch door mechanism of a baking oven, comprising an oven body (1) and a plurality of oven doors (2), the oven body (1) having a plurality of baking cavities (10) therein, the oven doors (2) being rotatably installed at openings of the corresponding baking cavities (10), characterized in that, One side of the box door (2) is fixed with a first transmission rod (3), the end of the first transmission rod (3) is detachably connected with a second transmission rod (4), the box body (1) is further provided with a driving device, the driving device is connected with the second transmission rod (4) to drive the box door (2) to rotate to open and close.

2. A door opening mechanism for a baking oven according to claim 1, characterized in that, The first transmission rod (3) and the second transmission rod (4) are connected through a lockable clamp (5), the end of the first transmission rod (3) is provided with a first joint (31), the front end of the second transmission rod (4) is provided with a second joint (41), the end face of the first joint (31) abuts against the end face of the second joint (41), and the two are locked by the same clamp (5).

3. A switch door mechanism of a baking oven according to claim 2, characterized in that, The clamp (5) comprises an arc-shaped first clamp strip (51) and an arc-shaped second clamp strip (52), the front end of the first clamp strip (51) is hinged with the front end of the second clamp strip (52), the end of the first clamp strip (51) is detachably connected with the end of the second clamp strip (52) through a fastener, the outer peripheral wall of the first joint (31) is provided with a first annular table (311), the outer peripheral wall of the second joint (41) is provided with a second annular table (411), the inner side of the first clamp strip (51) is provided with a first clamping groove (511) capable of locking the first annular table (311) and the second annular table (411) therein at the same time, and the inner side of the second clamp strip (52) is provided with a second clamping groove (521) capable of locking the first annular table (311) and the second annular table (411) therein at the same time.

4. A door opening mechanism for a baking oven according to claim 3, characterized in that The fastener comprises a screw rod (53) and a nut (54), the front end of the first clamp strip (51) is provided with a connecting seat (512), the connecting seat (512) is provided with a lock groove (513), the lock groove (513) has an open end, the screw rod (53) penetrates through the lock groove (513), the lower end of the screw rod (53) is hinged with the connecting seat (512), and the screw rod (53) can exit from the open end of the lock groove (513) when the screw rod (53) rotates, and the nut (54) is engaged with the screw rod (53), and the lower surface of the nut (54) abuts against the upper surface of the connecting seat (512).

5. A door opening mechanism for a baking oven according to claim 1, characterized in that, The box door (2) is connected with the box body (1) through a hinge.

6. A switch door mechanism of a baking oven according to claim 1, characterized in that, The box body (1) is fixed with a cylinder seat (12), the driving device comprises a cylinder (6), the cylinder (6) comprises a cylinder body and an output shaft, the rear end of the cylinder body is hinged with the cylinder seat (12), and the front end of the output shaft is hinged with the second transmission rod (4).

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