Buffering hinge and cooking machine

Abstract

The utility model provides a buffering hinge and an automatic cooker, and belongs to the technical field of movable connection. The buffer hinge comprises a hinge fixed plate, at least one mounting shaft, a hinge movable plate, at least one spring and at least one damping part, the mounting shaft is mounted on the hinge fixed plate, the hinge movable plate can be rotatably mounted on the mounting shaft between a first position and a second position, one end of the spring abuts against the hinge fixed plate, and the other end of the spring abuts against the damping part. The other end of the spring abuts against the hinge movable plate, the damping part is installed on the installation shaft and comprises a damping arm and a gasket assembly in friction with the damping arm, the middle of the damping arm is movably installed on the installation shaft, and the hinge movable plate abuts against one end of the damping arm when approaching the first position. The hinge movable plate abuts against the other end of the damping arm when approaching the second position.

Description

Technical Field

[0001] The utility model relates to the technical field of movable connection, in particular to a buffer hinge and a cooking machine. Background Art

[0002] The existing damping methods of the flip cover opening and closing hinge of the cooking machine include damping grease method, gasket friction method and rotary damper method. The damping grease method and the gasket friction method have a large change in resistance coefficient due to the influence of temperature, a large change in damping force, a large change in opening and closing feel, and there is a problem that consistency cannot be guaranteed.

[0003] Since the rotary damper has a fixed resistance and is damped throughout the opening and closing process, although this solves the problem of end buffering, the resistance during the opening and closing process is large, affecting the user's interactive experience. Utility Model Content

[0004] The utility model aims to provide a buffer hinge, which avoids full-range damping, achieves the effect of low resistance during the opening and closing process, and improves the user's interactive experience.

[0005] The utility model also aims to provide a cooking machine adopting the buffer hinge.

[0006] In order to achieve the purpose of the utility model, the utility model adopts the following technical solutions:

[0007] According to one aspect of the utility model, a buffer hinge is provided, comprising a hinge fixing plate, at least one mounting shaft, a hinge movable plate, at least one spring and at least one damping part, wherein the mounting shaft is mounted on the hinge fixing plate, the hinge movable plate can be rotatably mounted on the mounting shaft between a first position and a second position, one end of the spring abuts against the hinge fixing plate, the other end of the spring abuts against the hinge movable plate, the damping part is mounted on the mounting shaft, the damping part comprises a damping arm and a gasket assembly rubbing against the damping arm, the middle part of the damping arm is movably mounted on the mounting shaft, wherein the hinge movable plate abuts against one end of the damping arm when approaching the first position, and the hinge movable plate abuts against the other end of the damping arm when approaching the second position.

[0008] According to an embodiment of the utility model, it also includes at least one adjusting nut, one end of the mounting shaft is provided with a thread adapted to the adjusting nut, and the adjusting nut and the gasket assembly jointly apply an extrusion force to the damping arm.

[0009] According to an embodiment of the present utility model, the spring is a torsion spring, and the torsion spring is installed on the installation shaft.

[0010] According to one embodiment of the utility model, the hinge movable plate includes a first side plate, a second side plate and a top plate, the two ends of the top plate are respectively fixed to the first side plate and the second side plate, one end of the first side plate is provided with an inner flange parallel to the top plate, the first side plate and the second side plate can be rotatably installed on the mounting shaft, when the hinge movable plate is close to the first position, the inner flange abuts against one end of the damping arm, and when the hinge movable plate is close to the second position, the top plate abuts against the other end of the damping arm.

[0011] According to an embodiment of the present utility model, the torsion spring is located between the first side plate and the damping part.

[0012] According to one embodiment of the utility model, the gasket assembly includes a spring gasket, a first flat gasket and a second flat gasket, an annular step is provided on the mounting shaft, two sides of the spring gasket are respectively abutted against the annular step and one side of the first flat gasket, two sides of the damping arm are respectively abutted against the other side of the first flat gasket and one side of the second flat gasket, and the adjusting nut is abutted against the other side of the second flat gasket.

[0013] According to one embodiment of the utility model, there are two mounting shafts and two springs, the two mounting shafts are respectively installed on both sides of the hinge fixing plate, the two springs are respectively installed on the two mounting shafts, the first side plate and the second side plate are respectively movably installed on the two mounting shafts, and the damping part is installed on one of the mounting shafts; or there are two damping parts respectively, and the two damping parts are respectively installed on the two mounting shafts.

[0014] According to one embodiment of the utility model, a first baffle is bent at one end of the damping arm, and a second baffle is bent at the other end of the damping arm. When the hinge movable plate is close to the first position, the hinge movable plate abuts against the first baffle, and when the hinge movable plate is close to the second position, the hinge movable plate abuts against the second baffle.

[0015] According to an embodiment of the utility model, a clearance groove is provided on the hinged movable plate corresponding to the damping arm, and the second baffle plate is staggered with the clearance groove.

[0016] The utility model also discloses a cooking machine, comprising a fixed seat, a swing arm, a pot body, a pot cover and the above-mentioned buffer hinge, wherein a hinge fixed plate is fixed on the fixed seat, one end of the swing arm is fixedly connected to a hinge movable plate, and the pot cover is mounted on the swing arm, when the hinge movable plate is in a first position, the pot cover is located on the pot body and closes the pot body, and when the hinge movable plate is in a second position, the pot cover is separated from the pot body.

[0017] An embodiment of the present invention has the following advantages or beneficial effects:

[0018] The buffer hinge of the utility model includes a hinge fixing plate, at least one mounting shaft, a hinge movable plate, at least one spring and at least one damping part. The mounting shaft is mounted on the hinge fixing plate, the hinge movable plate can be rotatably mounted on the mounting shaft between a first position and a second position, one end of the spring abuts on the hinge fixing plate, the other end of the spring abuts on the hinge movable plate, the damping part is mounted on the mounting shaft, the damping part includes a damping arm and a gasket assembly rubbing against the damping arm, the middle part of the damping arm can be movably mounted on the mounting shaft, wherein the hinge movable plate abuts against one end of the damping arm when approaching the first position, and the hinge movable plate abuts against the other end of the damping arm when approaching the second position. Since the hinge movable plate of the utility model abuts against the damping arm for damping and buffering only when approaching the first position or the second position, full-range damping is avoided, the effect of low resistance during the opening and closing process is achieved, and the user's interactive experience is improved.

[0019] The buffer hinge of the utility model integrates the opening and closing buffer and the movable connection of the hinge movable plate, thereby realizing the integration of the opening and closing buffer and the hinge. There is no need to disassemble and assemble them separately on the whole machine, thereby improving the efficiency of production and after-sales maintenance and enhancing the consistency of products. No damping grease is required, thereby avoiding the problem of inconsistent feel caused by the change of resistance of the damper under different cooking environment temperatures. The end buffering effect can eliminate the full-length opening and closing resistance caused by the full-length resistance buffer, thereby improving the user operation experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The above and other features and advantages of the present invention will become more apparent by describing in detail example embodiments thereof with reference to the attached drawings.

[0021] Figure 1 is a perspective view showing a buffer hinge according to an exemplary embodiment.

[0022] Figure 2 FIG. 1 is a state diagram showing a hinge movable plate located at a first position according to an exemplary embodiment.

[0023] Figure 3 FIG. 1 is a state diagram showing a hinge movable plate located at a second position according to an exemplary embodiment.

[0024] Figure 4 is an exploded view of a buffer hinge according to an exemplary embodiment.

[0025] Figure 5 is a schematic diagram of a cooking machine according to an exemplary embodiment.

[0026] Figure 6 is a cross-sectional view of a cooking machine according to an exemplary embodiment.

[0027] The reference numerals are described as follows:

[0028] 1. Hinge fixing plate; 11. Third side plate; 12. Fourth side plate; 2. Mounting shaft; 21. Annular step; 3. Hinge movable plate; 31. First side plate; 311. Inner flange; 32. Second side plate; 33. Top plate; 34. Air avoidance groove; 4. Spring; 5. Damping part; 51. Damping arm; 511. First baffle plate; 512. Second baffle plate; 52. Gasket assembly; 521. Spring gasket; 522. First flat gasket; 523. Second flat gasket; 6. Adjusting nut; 7. Fixed seat; 8. Swing arm; 9. Pot cover; 10. Sleeve assembly; 101. First sleeve; 102. Second sleeve. DETAILED DESCRIPTION

[0029] Example embodiments will now be described more fully with reference to the accompanying drawings. However, example embodiments can be implemented in a variety of forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that the present invention will be comprehensive and complete and fully convey the concepts of the example embodiments to those skilled in the art. The same reference numerals in the figures represent the same or similar structures, and thus their detailed description will be omitted.

[0030] The terms "a", "an", "the", and "said" are used to indicate the presence of one or more elements / components / etc.; the terms "comprising" and "having" are used to express an open-ended inclusive meaning and mean that additional elements / components / etc. may be present in addition to the listed elements / components / etc.

[0031] like Figure 1-6 As shown, a buffer hinge according to an embodiment of the utility model comprises a hinge fixing plate 1, at least one mounting shaft 2, a hinge movable plate 3, at least one spring 4 and at least one damping part 5.

[0032] The mounting shaft 2 is mounted on the hinge fixing plate 1, and the hinge movable plate 3 can be rotatably mounted on the mounting shaft 2 between a first position and a second position. One end of the spring 4 abuts against the hinge fixing plate 1, and the other end of the spring 4 abuts against the hinge movable plate 3. The damping part 5 is mounted on the mounting shaft 2, and the damping part 5 includes a damping arm 51 and a gasket assembly 52 that rubs against the damping arm 51. The middle part of the damping arm 51 can be movably mounted on the mounting shaft 2.

[0033] like Figure 2 As shown, when the hinge movable plate 3 is close to the first position, the hinge movable plate 3 abuts against one end of the damping arm 51 , and the hinge movable plate 3 drives the damping arm 51 to rotate in one direction. At the same time, the damping arm 51 performs damping and buffering on the hinge movable plate 3 .

[0034] When the hinge movable plate 3 is in the first position, the spring 4 is compressed to store energy in the spring 4 , so that the spring 4 drives the hinge movable plate 3 to move toward the second position.

[0035] like Figure 3 As shown, when the hinge movable plate 3 is close to the second position, the hinge movable plate 3 abuts against the other end of the damping arm 51 , and the hinge movable plate 3 drives the damping arm 51 to rotate in another direction. At the same time, the damping arm 51 performs damping and buffering on the hinge movable plate 3 .

[0036] Since the hinged movable plate 3 of the present invention abuts against the damping arm 51 for damping and buffering only when it is close to the first position or the second position, full-range damping is avoided, the effect of low resistance during the opening and closing process is achieved, and the user's interactive experience is improved.

[0037] In a preferred embodiment of the present invention, at least one adjusting nut 6 is further included. One end of the mounting shaft 2 is provided with a thread matched with the adjusting nut 6 . The adjusting nut 6 and the gasket assembly 52 jointly apply an extrusion force to the damping arm 51 .

[0038] If the resistance during the opening and closing process is too large, the adjusting nut 6 can be rotated manually or by a tool to reduce the squeezing force on the damping arm 51; if the damping effect during the opening and closing process is not obvious, the adjusting nut 6 can be rotated in the opposite direction manually or by a tool to increase the squeezing force on the damping arm 51, thereby achieving adjustable opening and closing buffering force, which is convenient for product iteration, production and after-sales maintenance.

[0039] In a preferred embodiment of the present invention, the spring 4 is a torsion spring, which is installed on the installation shaft 2 to facilitate installation. The torsion spring is provided with a first torque arm and a second torque arm, which are respectively in contact with the hinge fixed plate 1 and the hinge movable plate 3.

[0040] Of course, the spring 4 is not limited to being a torsion spring, but may also be a helical columnar spring, and those skilled in the art may select the type of spring according to actual needs.

[0041] In a preferred embodiment of the present invention, the hinged movable plate 3 includes a first side plate 31 , a second side plate 32 and a top plate 33 .

[0042] The two ends of the top plate 33 are fixedly connected to the first side plate 31 and the second side plate 32 respectively. The first side plate 31 and the second side plate 32 are both provided with axial holes. One end of the first side plate 31 is provided with an inner flange 311 parallel to the top plate 33. The first side plate 31 and the second side plate 32 can be rotatably installed on the mounting shaft 2 through the axial holes.

[0043] like Figure 2 As shown, when the hinge movable plate 3 is close to the first position, the inner flange 311 abuts against one end of the damping arm 51 .

[0044] like Figure 3As shown, when the hinge movable plate 3 is close to the second position, the top plate 33 abuts against the other end of the damping arm 51 .

[0045] In a preferred embodiment of the present invention, the torsion spring is located between the first side plate 31 and the damping part 5 , and the first side plate 31 , the torsion spring, the gasket assembly 52 and the adjusting nut 6 jointly apply an extrusion force to the damping arm 51 to increase the friction of the damping arm 51 .

[0046] In a preferred embodiment of the present invention, the washer assembly 52 includes a spring washer 521 , a first flat washer 522 and a second flat washer 523 , and the mounting shaft 2 has an annular step 21 .

[0047] The two sides of the spring washer 521 are respectively abutted against the annular step 21 and one side of the first flat washer 522, the two sides of the damping arm 51 are respectively abutted against the other side of the first flat washer 522 and one side of the second flat washer 523, the adjusting nut 6 is abutted against the other side of the second flat washer 523, the spring washer 521 applies elastic force to the first flat washer 52 to increase the friction between the first flat washer 52 and the damping arm 51, and the adjusting nut 6 applies extrusion force to the second flat washer 523 to increase the friction between the second flat washer 523 and the damping arm 51.

[0048] In a preferred embodiment of the present invention, there are two installation shafts 2 and two springs 4 . The two installation shafts 2 are respectively installed on both sides of the hinge fixing plate 1 , and the two springs 4 are respectively installed on the two installation shafts 2 .

[0049] The first side plate 31 and the second side plate 32 are movably mounted on the two mounting shafts 2 , respectively, and the damping part 5 is mounted on one of the mounting shafts 2 ; or there are two damping parts 5 , respectively, and the two damping parts 5 are mounted on the two mounting shafts 2 .

[0050] In a preferred embodiment of the present invention, there are two adjusting nuts 6 , and one end of each of the two mounting shafts 2 is provided with a thread matched with the adjusting nut 6 .

[0051] The adjusting nuts 6 , the damping part 5 and the spring 4 on both sides jointly limit the hinge movable plate 3 to prevent the hinge movable plate 3 from axial movement.

[0052] In a preferred embodiment of the present utility model, a first baffle 511 is bent at one end of the damping arm 51 , and a second baffle 512 is bent at the other end of the damping arm 51 .

[0053] like Figure 2 As shown, when the hinge movable plate 3 is close to the first position, the inner flange 311 abuts against the first baffle 511 .

[0054] like Figure 3As shown, when the hinge movable plate 3 is close to the second position, the top plate 33 abuts against the second baffle plate 512 .

[0055] As shown in a preferred embodiment of the utility model, a top plate 33 of the hinge movable plate 3 is provided with a space avoidance groove 34 corresponding to the damping arm 51, and the second baffle plate 512 is staggered with the space avoidance groove 34, so that when the hinge movable plate 3 is close to the second position, a part of the damping arm 51 is located in the space avoidance groove 34, and only the second baffle plate 512 is in contact with the top plate 33.

[0056] In a preferred embodiment of the present invention, a third side plate 11 and a fourth side plate 12 are respectively bent on both sides of the hinge fixing plate 1 .

[0057] The third side plate 11 and the fourth side plate 12 are respectively provided with shaft holes, and the two installation shafts 2 are respectively passed through the shaft holes on both sides, and the heads of the two installation shafts 2 are respectively welded to the third side plate 11 and the fourth side plate 12 .

[0058] like Figure 1 , 4 As shown, in a preferred embodiment of the utility model, it also includes a sleeve assembly 10, the sleeve assembly 10 includes two first sleeves 101 and two second sleeves 102, the two first sleeves 101 are respectively sleeved on the outside of the two installation shafts 2, and the first side plate 31 and the second side plate 32 can be rotatably sleeved on the two first sleeves 101 respectively to protect the installation shaft 2 and improve the service life of the installation shaft 2.

[0059] The two second sleeves 102 are respectively sleeved outside the two first sleeves 101 , and the two springs 4 are respectively sleeved on the two second sleeves 102 to protect the first sleeves 101 and improve the service life of the first sleeves 101 .

[0060] like Figure 5-6 As shown, the utility model also provides a cooking machine, comprising a fixing seat 7, a swing arm 8, a pot body, a pot cover 9 and the above-mentioned buffer hinge.

[0061] The hinge fixing plate 1 is fixed on the fixing seat 7, one end of the swing arm 8 is fixedly connected to the hinge movable plate 3, and the pot cover 9 is installed on the swing arm 8. When the hinge movable plate 3 is in the first position, the pot cover 9 is located on the pot body and closes the pot body. When the hinge movable plate 3 is in the second position, the pot cover 9 is separated from the pot body. The cooking machine of the utility model, due to the use of the above-mentioned buffer hinge, achieves the effect of low resistance during the opening and closing process, and improves the user's interactive experience.

[0062] The above-mentioned buffer hinge integrates the opening and closing buffer and the movable connection of the hinge movable plate 3, realizing the integration of the opening and closing buffer and the hinge. There is no need to disassemble and assemble them separately on the whole machine, thereby improving the efficiency of production and after-sales maintenance and improving the consistency of the product. No damping grease is required to avoid the problem of inconsistent feel caused by the change of resistance of the damper under different cooking environment temperatures. The effect of end buffering can eliminate the full-length opening and closing resistance caused by the full-length resistance buffer, thereby improving the user's operating experience.

[0063] In the embodiments of the present invention, the term "multiple" refers to two or more than two, unless otherwise clearly defined. The terms "installation", "connection", "fixation" and the like should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present invention can be understood according to the specific circumstances.

[0064] In the description of the embodiments of the present invention, it is necessary to understand that the terms "upper" and "lower" etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating or implying that the device or unit referred to must have a specific direction, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on the embodiments of the present invention.

[0065] In the description of this specification, the description of the terms "one embodiment", "a preferred embodiment", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the embodiment of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0066] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A buffer hinge, characterized in that: include: Hinge fixing plate (1), At least one mounting shaft (2) is mounted on the hinge fixing plate (1), The hinged movable plate (3) is rotatably mounted on the mounting shaft (2) between a first position and a second position. at least one spring (4), one end of the spring (4) abuts against the hinge fixed plate (1), and the other end of the spring (4) abuts against the hinge movable plate (3), At least one damping part (5) is mounted on the mounting shaft (2), the damping part (5) comprising a damping arm (51) and a gasket assembly (52) rubbing against the damping arm (51), the middle part of the damping arm (51) being movably mounted on the mounting shaft (2), The hinge movable plate (3) abuts against one end of the damping arm (51) when approaching the first position, and the hinge movable plate (3) abuts against the other end of the damping arm (51) when approaching the second position.

2. The buffer hinge according to claim 1, characterized in that: It also comprises at least one adjusting nut (6), one end of the mounting shaft (2) is provided with a thread matching the adjusting nut (6), and the adjusting nut (6) and the gasket assembly (52) jointly apply a squeezing force to the damping arm (51).

3. The buffer hinge according to claim 2, characterized in that: The gasket assembly (52) comprises a spring gasket (521), a first flat gasket (522) and a second flat gasket (523); the mounting shaft (2) is provided with an annular step (21); two sides of the spring gasket (521) respectively abut against the annular step (21) and one side of the first flat gasket (522); two sides of the damping arm (51) respectively abut against the other side of the first flat gasket (522) and one side of the second flat gasket (523); and the adjusting nut (6) abuts against the other side of the second flat gasket (523).

4. The buffer hinge according to claim 3, characterized in that: The hinge movable plate (3) comprises a first side plate (31), a second side plate (32) and a top plate (33); two ends of the top plate (33) are respectively fixed to the first side plate (31) and the second side plate (32); one end of the first side plate (31) is provided with an inner flange (311) parallel to the top plate (33); the first side plate (31) and the second side plate (32) are rotatably mounted on the mounting shaft (2); when the hinge movable plate (3) is close to the first position, the inner flange (311) abuts against one end of the damping arm (51); when the hinge movable plate (3) is close to the second position, the top plate (33) abuts against the other end of the damping arm (51).

5. The buffer hinge according to claim 4, characterized in that: The spring (4) is a torsion spring, and the torsion spring is installed on the installation shaft (2).

6. The buffer hinge according to claim 5, characterized in that: The torsion spring is located between the first side plate (31) and the damping portion (5).

7. The buffer hinge according to claim 4, characterized in that: There are two mounting shafts (2) and two springs (4), the two mounting shafts (2) are respectively mounted on the two sides of the hinge fixing plate (1), the two springs (4) are respectively mounted on the two mounting shafts (2), the first side plate (31) and the second side plate (32) are respectively movably mounted on the two mounting shafts (2), and the damping part (5) is mounted on one of the mounting shafts (2); or there are two damping parts (5), and the two damping parts (5) are respectively mounted on the two mounting shafts (2).

8. The buffer hinge according to any one of claims 1 to 7, characterized in that: A first baffle (511) is bent at one end of the damping arm (51), and a second baffle (512) is bent at the other end of the damping arm (51); when the hinge movable plate (3) is close to the first position, the hinge movable plate (3) abuts against the first baffle (511); when the hinge movable plate (3) is close to the second position, the hinge movable plate (3) abuts against the second baffle (512).

9. The buffer hinge according to claim 8, characterized in that: The hinged movable plate (3) is provided with a clearance groove (34) corresponding to the damping arm (51), and the second baffle plate (512) is arranged in a staggered manner with respect to the clearance groove (34).

10. A cooking machine, characterized in that: The invention comprises a fixing seat (7), a swing arm (8), a pot body, a pot cover (9) and a buffer hinge according to any one of claims 1 to 9, wherein the hinge fixing plate (1) is fixed on the fixing seat (7), one end of the swing arm (8) is fixedly connected to the hinge movable plate (3), the pot cover (9) is mounted on the swing arm (8), when the hinge movable plate (3) is in the first position, the pot cover (9) is located on the pot body and closes the pot body, and when the hinge movable plate (3) is in the second position, the pot cover (9) is separated from the pot body.

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