CN110273603B

CN110273603B - Oven

Info

Publication number: CN110273603B
Application number: CN201810218992.3A
Authority: CN
Inventors: 谭燕; 曹骥
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2018-03-16
Filing date: 2018-03-16
Publication date: 2024-02-20
Anticipated expiration: 2038-03-16
Also published as: CN110273603A

Abstract

The invention relates to an oven, which comprises a box body, a door body and a door lock mechanism, wherein the box body is provided with an opening, the door body is rotatably arranged on the box body and can open or close the opening through the door lock mechanism, and the door lock mechanism comprises a limit groove, a limit pin, a first button, a first elastic piece, a second button, a second elastic piece, a convex block and a connecting rod. When the door is closed, the lug pushes the second button to move backwards, the second button drives the connecting rod to rotate, so that the first end of the connecting rod pushes the limiting pin into the limiting groove, and the door body is in a closed and locked state; when the door is opened, the first button is pressed, the rear end of the first button drives the limiting pin to withdraw from the limiting groove, and at the moment, the door body is in an openable state. The oven door body of the invention has convenient opening and closing and locking operation, and each part is simply matched, thus improving the use stability of the oven door lock mechanism.

Description

Oven

Technical Field

The invention relates to the technical field of ovens, in particular to an oven convenient to close or open.

Background

Ovens are becoming popular as kitchen appliances for baking food in a wide range of consumer homes. At present, part of baking boxes in the market have a door lock function, and the door locks used are generally electromagnetic door locks, namely when a door closing signal is detected, a control system gives a locking instruction to a door lock assembly, and the door locks are locked; when the door opening signal is detected, the door lock is pulled up, and the machine is in an unlocking state. The door lock has higher cost and poor stability, and is easy to be locked or not closed in the using process.

In order to solve the above problems, chinese patent application publication No. CN102913083a (application No. CN 201210445491.1) discloses a structure comprising a latch base fixed on a door body and a latch body base fixed on the oven body, wherein the latch base is rotatably provided with a cam via a cam shaft, the cam shaft is rotatably provided with a first latch plate and a second latch plate, the first latch plate is provided with a bayonet matched with the cam, and is fixedly connected with the second latch plate, and the second latch plate is provided with a slot, and the slot is matched with a locking shaft mounted on the latch body base. Above-mentioned oven lock is through rotating twist grip, drives the cam and rotates, and the cam drives the second and colludes the locking axle after driving first and colludes the locking piece rotation to realize locking, convenient operation.

However, the oven door lock is too simple in structure, easy to have the problem of misoperation and low in safety performance.

Disclosure of Invention

The invention aims to solve the technical problem of providing an oven with a door lock which is convenient to operate and good in safety performance aiming at the current state of the art.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides an oven, includes box, door body and lock mechanism, the box has the opening, the door body can locate on the box and can open or close opening its characterized in that through lock mechanism rotationally: the door lock mechanism comprises

The limiting groove is formed in the side wall of the door body;

the limiting pin can be arranged on one side of the door body in a reciprocating manner and corresponds to the limiting groove, the limiting pin is inserted into the limiting groove to enable the door body to be in a locking state, and the limiting pin is withdrawn from the limiting groove to enable the door body to be in an openable state;

the first button can be arranged on the door body in a front-back moving way, the rear part of the first button is inserted into the limit groove, and the limit pin is driven to withdraw from the limit groove in a back-moving state of the first button;

a first elastic member for keeping the first button always moving forward;

the second button is arranged on the box body in a manner of moving back and forth;

the second elastic piece is used for enabling the second button to always keep a forward moving trend;

the convex block is arranged on the rear side wall of the door body and can push the second button to move backwards in the closed state of the door body; and

and the middle part of the connecting rod is rotatably arranged on the box body, the first end of the connecting rod is linked with the limiting pin, and the second end of the connecting rod is connected with the second button.

In the above scheme, the connecting rod comprises a first section, a second section and a third section which are mutually connected, wherein the first section and the second section are arranged at 100-110 degrees, the side face of the joint of the first section and the second section is rotationally connected to the box body, the second section and the third section are arranged at 195-210 degrees, and the third section is linked with the limiting pin. The lower surface of the third section is an inclined surface which gradually inclines upwards from back to front, and the structure enables the limiting pin to move slowly up and down, so that the running stability of the door lock mechanism is improved, and the problem of locking in a locking state and an unlocking state is avoided.

In order to facilitate assembly, the limiting pin is arranged on a mounting plate above the door body, and a first through hole for the limiting pin to move up and down is formed in the mounting plate; and a third elastic piece which can enable the third section of the connecting rod to keep upward rotation trend is also arranged between the mounting plate and the third section of the connecting rod. The third elastic piece is a spring, the first end of the spring is propped against the lower surface of the third section of the connecting rod, the second end of the spring is propped against the upper surface of the mounting plate, and the third elastic piece can prevent the limiting pin from falling into the limiting groove again in a non-manual operation state when the limiting pin is in a state of exiting the limiting groove, so that the door body can be conveniently opened.

In order to facilitate installation, the box body is provided with an installation seat, two sides of the installation seat are respectively provided with a connecting arm extending upwards, and the side face of the connecting rod is hinged to the connecting arm. The front side of mount pad is provided with the baffle, opens on this baffle and supplies the second through-hole that the second button rear end passed. The second elastic piece is a spring, the spring is sleeved on the periphery of the second button, the first end of the spring abuts against the front side face of the baffle, and the second end of the spring abuts against the first baffle plate on the periphery of the front end of the second button.

Preferably, the first elastic piece is a spring, the spring is sleeved on the periphery of the first button, the first end of the spring abuts against the second baffle plate on the periphery of the front end of the first button, and the second end of the spring is connected with the inner wall of the limit groove.

As an improvement, the rear end of the first button is provided with a yielding groove for inserting the lower end of the limiting pin and axially moving along the first button. The lower end of the limiting pin is shaped into a conical table-shaped structure with a large upper end and a small lower end, and correspondingly, the rear end of the first button is provided with an inclined plane matched with the conical table-shaped structure in a guiding way, and the inclined plane extends forwards and upwards gradually from the front end of the abdication groove. In the structure, the abdication groove is exposed out of the first elastic piece so as to avoid interference to the up-and-down movement of the limiting pin, and the arrangement of the inclined plane also enables the moving process of the limiting pin to be slow and stable, thereby further improving the stability of the door lock mechanism.

Compared with the prior art, the invention has the advantages that: according to the invention, the purely mechanical door lock mechanism with a simple and reasonable structure is arranged on the oven, when the door is closed, the convex block pushes the second button to move backwards, and the second button drives the connecting rod to rotate, so that the first end of the connecting rod pushes the limiting pin into the limiting groove, and the door body is in a closed and locked state; when the door is opened, the first button is pressed, the rear end of the first button drives the limiting pin to withdraw from the limiting groove, and at the moment, the door body is in an openable state. The oven door body of the invention has convenient opening and closing and locking operation, and each part is simply matched, thus improving the use stability of the oven door lock mechanism.

Drawings

FIG. 1 is a schematic view of an oven according to an embodiment of the present invention;

FIG. 2 is a schematic view of the door body in FIG. 1;

FIG. 3 is an enlarged schematic view of the portion A in FIG. 2;

FIG. 4 is a schematic view of a structure of a case according to an embodiment of the present invention;

FIG. 5 is a side view of a connecting rod in an embodiment of the invention;

FIG. 6 is a cross-sectional view of an oven (door locked state) according to an embodiment of the present invention;

FIG. 7 is an enlarged schematic view of the portion B of FIG. 6;

fig. 8 is a partial sectional view of a case (door openable state) in the embodiment of the present invention.

Detailed Description

The invention is described in further detail below with reference to the embodiments of the drawings.

As shown in fig. 1 to 8, the oven of the present embodiment includes a case 1, a door 2, and a door lock mechanism, the case 1 having an opening 11, the door 2 being rotatably provided on the case 1 and being capable of opening or closing the opening 11 by the door lock mechanism.

The door lock mechanism of the present embodiment includes a limit groove 3, a limit pin 4, a first button 10, a first elastic member 100, a second button 20, a second elastic member 200, a bump 5, a connecting rod 6, and a third elastic member 300. Specifically, the limiting groove 3 is formed on the top side wall of the door body 2, and the limiting groove 3 is formed backward from the front side surface of the door body 1. The limiting pin 4 is arranged above the door body 2 in a vertically reciprocating manner and corresponds to the limiting groove 3, the limiting pin 4 is inserted into the limiting groove 3 to enable the door body 2 to be in a locking state, and the limiting pin 4 is withdrawn from the limiting groove 3 to enable the door body 2 to be in an openable state. The first button 10 is movably arranged on the door body 2 back and forth, the front end surface of the first button 10 is exposed on the front side surface of the door body 2, the rear part of the first button 10 is inserted into the limit groove 3, and the limit pin is driven to withdraw 4 from the limit groove 3 under the state that the first button 10 moves back. The first elastic member 100 keeps the first button 10 always moving forward. The second button 20 is movably arranged on the box body 1 back and forth, and the second elastic piece 200 keeps the second button 20 moving forward all the time; the bump 5 is arranged on the rear side wall of the door body 2 and can push the second button 20 to move backwards under the closing state of the door body 2, the middle part of the connecting rod 6 is rotatably arranged on the box body 1, the first end of the connecting rod 6 is linked with the limiting pin 4, the second end of the connecting rod 6 is connected with the second button 20, namely, when the door body 2 is closed, the bump 5 can push the second button 20 to move backwards, and then the connecting rod 6 is driven to rotate so as to push the limiting pin 4 into the limiting groove 3 to lock the door body 2.

In this embodiment, the case 1 is provided with a mounting seat 7, and two sides of the mounting seat 7 are respectively provided with a connecting arm 71 extending upward, and a side surface of the connecting rod 6 is hinged to the connecting arm 71. Specifically, the connecting rod 6 includes a first section 61, a second section 62 and a third section 63 that are mutually connected, the first section 61 and the second section 62 are arranged at an angle α of 100 ° to 110 °, the side surface of the connection part of the first section 61 and the second section 62 is rotatably connected to the connecting arm 71, the second section 62 and the third section 63 are arranged at an angle β of 195 ° to 210 °, and the third section 63 is linked with the limiting pin 4. The lower surface of the third section 63 is an inclined surface gradually inclined upwards from back to front, and the structure makes the limiting pin 4 move up and down slowly, so that the running stability of the door lock mechanism is improved, and the problem of locking in the locked and unlocked states is avoided.

The limiting pin 4 of the present embodiment is disposed on a mounting plate 21 above the door body 2, and a first through hole for the limiting pin 4 to move up and down is formed in the mounting plate 21. A third elastic member 300 is further provided between the mounting plate 21 and the third section 63 of the link 6, which is capable of maintaining the upward rotation tendency of the third section 63 of the link 6. The third elastic member 300 is a spring, a first end of the spring abuts against the lower surface of the third section 63 of the connecting rod 6, a second end of the spring abuts against the upper surface of the mounting plate 21, and the third elastic member can prevent the limiting pin 4 from falling into the limiting groove 3 again in a non-manual operation state when the limiting pin 4 exits from the limiting groove 3, so that the door body 2 can be opened conveniently. The front side of the mounting seat 7 is provided with a baffle 72, and the baffle 72 is provided with a second through hole for the rear end of the second button 20 to pass through. The second elastic member 200 is a spring, the spring is sleeved on the periphery of the second button 20, the first end of the spring abuts against the front side surface of the baffle 72, and the second end of the spring abuts against the first baffle 201 on the periphery of the front end of the second button 20.

The first elastic member 100 in this embodiment is a spring, the spring is sleeved on the periphery of the first button 10, and a first end of the spring abuts against the second blocking piece 101 on the periphery of the front end of the first button 10, and a second end of the spring is connected with the inner wall of the limiting groove 3. The rear end of the first button 10 is provided with a yielding groove 102 for inserting the lower end of the limiting pin 4 and axially moving along the first button 10. The lower end of the limiting pin 4 is shaped into a conical table-shaped structure 41 with a large upper end and a small lower end, and correspondingly, the rear end of the first button 10 is provided with an inclined plane 103 in guiding fit with the conical table-shaped structure, and the inclined plane 103 gradually extends forwards and upwards from the front end of the abdication groove 102. The abdication groove 102 is exposed out of the first elastic member 100, so as to avoid interference to the up-and-down movement of the limiting pin 4, and the inclined plane 103 also makes the upward movement process of the limiting pin 4 slow and stable, so that the stability of the door lock mechanism is further improved.

When the oven of the embodiment is used for closing the door, the second button 20 is pushed by the lug 5 to move backwards, and the connecting rod 6 is driven by the second button 20 to rotate so that the first end 61 of the connecting rod 6 pushes the limiting pin 4 into the limiting groove 3, and the door body 2 is in a closed and locked state; when the door is opened, the first button 10 is pressed, and the rear end of the first button 10 drives the limiting pin 4 to withdraw from the limiting groove 3, and at the moment, the door body 2 is in an openable state.

Claims

1. The utility model provides an oven, includes box (1), door body (2) and lock mechanism, box (1) have opening (11), door body (2) can locate on box (1) and can open or close opening (11) through lock mechanism rotationally, its characterized in that: the door lock mechanism comprises

The limiting groove (3) is formed in the side wall of the door body (2);

the limiting pin (4) is arranged on one side of the door body (2) in a reciprocating manner and corresponds to the limiting groove (3), the limiting pin (4) is inserted into the limiting groove (3) to enable the door body (2) to be in a locking state, and the limiting pin (4) is withdrawn from the limiting groove (3) to enable the door body (2) to be in an openable state;

the first button (10) can be arranged on the door body (2) in a back-and-forth moving way, the rear part of the first button is inserted into the limit groove (3), and the limit pin (4) is driven to withdraw from the limit groove (3) under the state that the first button (10) moves backwards;

a first elastic member (100) for keeping the first button (10) always in a forward movement;

a second button (20) which is provided on the case (1) so as to be movable back and forth;

a second elastic member (200) for keeping the second button (20) always in a forward movement tendency;

the convex block (5) is arranged on the rear side wall of the door body (2) and can push the second button (20) to move backwards in the closed state of the door body (2); and

the middle part of the connecting rod (6) is rotatably arranged on the box body (1), the first end of the connecting rod (6) is linked with the limiting pin (4), and the second end of the connecting rod (6) is connected with the second button (20);

the connecting rod (6) comprises a first section (61), a second section (62) and a third section (63) which are mutually connected, wherein the first section (61) and the second section (62) are arranged at 100-110 degrees, the side surface of the joint of the first section (61) and the second section (62) is rotationally connected to the box body (1), the second section (62) and the third section (63) are arranged at 195-210 degrees, and the third section (63) is linked with the limiting pin (4);

the box body (1) is provided with a mounting seat (7), two sides of the mounting seat (7) are respectively provided with a connecting arm (71) extending upwards, and the side face of the connecting rod (6) is hinged to the connecting arms (71).

2. The oven of claim 1 wherein: the limiting pin (4) is arranged on a mounting plate (21) above the door body (2), and a first through hole for the limiting pin (4) to move up and down is formed in the mounting plate (21); and a third elastic piece (300) which can enable the third section (63) of the connecting rod (6) to keep upward rotation trend is also arranged between the mounting plate (21) and the third section (63) of the connecting rod (6).

3. The oven of claim 1 wherein: the front side of the mounting seat (7) is provided with a baffle plate (72), and the baffle plate (72) is provided with a second through hole for the rear end of the second button (20) to pass through.

4. The oven of claim 3 wherein: the second elastic piece (200) is a spring, the spring is sleeved on the periphery of the second button (20), the first end of the spring abuts against the front side face of the baffle plate (72), and the second end of the spring abuts against the first baffle plate (201) on the periphery of the front end of the second button (20).

5. The oven of any one of claims 1 to 4 wherein: the first elastic piece (100) is a spring, the spring is sleeved on the periphery of the first button (10), the first end of the spring is abutted against the second baffle (101) on the periphery of the front end of the first button (10), and the second end of the spring is connected with the inner wall of the limit groove (3).

6. The oven of any one of claims 1 to 4 wherein: the rear end of the first button (10) is provided with a yielding groove (102) for the lower end of the limiting pin (4) to be inserted into and axially move along the first button (10).

7. The oven of claim 6 wherein: the lower end of the limiting pin (4) is shaped into a conical table-shaped structure (41) with a large upper end and a small lower end, correspondingly, the rear end of the first button (10) is provided with an inclined surface (103) in guide fit with the conical table-shaped structure (41), and the inclined surface (103) gradually extends upwards forwards from the front end of the abdication groove (102).