CN112078954A - One-way damping structure of barrel cover - Google Patents

Abstract

The invention discloses a one-way damping structure of a barrel cover, and relates to the technical field of intelligent garbage cans. Comprises a first gear which is rotationally connected with the barrel body; the second gear is synchronously and rotatably connected with the barrel cover and can axially slide relative to the barrel cover; the elastic resetting device is arranged in the axis direction of the second gear, the elastic resetting device is arranged between the second gear and the barrel cover, and the second gear can rotate relative to the elastic resetting device; the first gear is meshed with the second gear in a one-way mode, and the rotating direction of the first gear meshed with the second gear in the one-way mode is consistent with the rotating direction of the barrel cover when the barrel cover is opened; when the gear type gear box works, the first gear and the barrel body rotate in a single direction, and the single-direction rotating direction of the first gear and the barrel body is opposite to the single-direction meshing rotating direction of the first gear and the second gear. The invention discloses a one-way damping structure which is simple in structure and can generate a damping effect when being opened and/or closed.

Description

One-way damping structure of barrel cover

Technical Field

The invention relates to the technical field of intelligent garbage cans, in particular to a one-way damping structure of a can cover.

Background

The damping structures on the market at present can be divided into 3 types, namely a bidirectional damping structure, a spring one-way damping structure and a one-way valve one-way damping structure; the bidirectional damping structure is relatively simple in structure and low in cost, but the use performance of the bidirectional damping structure cannot meet the special requirements of opening and closing of the barrel cover sometimes because damping force exists in two directions of opening and closing; the spring one-way damping structure realizes the one-way damping function by means of compressing energy storage when the barrel cover falls down and closes and releasing elasticity when the barrel cover is lifted and opened, the structure is simple and low in cost, but the service life of the spring of the structure is limited, and if the spring force required by realizing slow damping descent by only depending on the spring one-way damping structure is larger than gravity, the barrel cover cannot keep a natural closing state, an additional buckle structure is required to lock the position of the barrel cover, and the application range of the spring one-way damping structure is limited; the one-way damping structure of the one-way valve is widely applied, and is applied to equipment such as a toilet lid, an automobile trunk and the like in a large quantity due to small volume, light weight, large damping force range and stable and reliable structure, but the cost is higher, and the one-way damping structure is not beneficial to products which seek simple and low-cost realization of the one-way damping slow-falling effect.

Therefore, in order to solve the above technical problem, a new technical solution needs to be proposed to solve the problem. In particular to a one-way damping structure of a barrel cover.

Disclosure of Invention

The invention provides another barrel cover one-way damping structure with a simple structure, and aims to solve the technical problems that the service life of the existing spring type one-way damping structure in the market is limited, the two-way damping structure has damping force when opened and closed and is not suitable for special requirements of opening and closing a barrel cover, and the one-way damping structure of a one-way valve has high cost.

The following technical scheme is provided for achieving the purpose: a one-way damping structure of a barrel cover comprises the following components: the first gear is rotatably connected with the barrel body; the second gear is synchronously and rotatably connected with the barrel cover and can axially slide relative to the barrel cover; the elastic resetting device is arranged in the axis direction of the second gear, and the elastic resetting device is arranged between the second gear and the barrel cover; the first gear is meshed with the second gear in a one-way mode, and the rotation direction of the first gear meshed with the second gear in the one-way mode is consistent with the rotation direction of the barrel cover when the barrel cover is opened; when the gear type gear box works, the first gear and the barrel body rotate in a single direction, and the single-direction rotating direction of the first gear and the barrel body is opposite to the single-direction meshing rotating direction of the first gear and the second gear.

Preferably, an elastic body is further arranged between the first gear and the barrel body, the elastic body extends outwards from the inside of the first gear and is in interference fit with the barrel body, the elastic body can rotate relative to the barrel body, and the first gear is in profile fit with the elastic body so as to achieve synchronous rotation.

Preferably, the first gear comprises a first fluted disc end and a first connecting end, and the first fluted disc end is in one-way meshed connection with the second gear; the elastic body is clamped on the first connecting end and penetrates through the first connecting end to be in interference fit with the barrel body.

Preferably, the second gear comprises a second gear disc end and a second connecting end, and the second gear disc end is in one-way meshed connection with the first gear; the second connecting end is matched with the molded surface of the barrel cover, and the elastic resetting device is arranged in the second connecting end.

Preferably, a first fluted disc is arranged on the surface edge of the first fluted disc end, and a cavity is arranged in the middle of the first fluted disc end; a second fluted disc is arranged on the surface of the second fluted disc end, and a limiting column matched with the cavity in the direction is arranged in the middle of the second fluted disc end; the first fluted disc is connected with the second fluted disc in a one-way meshing manner.

Preferably, the elastic return means is a spring.

Preferably, the elastomer is rubber or polyurethane.

The invention has the beneficial effects that: the first gear and the second gear which are meshed with each other in a unidirectional way and the elastic resetting device are arranged between the barrel body and the barrel cover, so that the barrel cover can rotate along the unidirectional rotation direction of the unidirectional meshed gears when opened, the elastic resetting device is compressed, and the barrel cover can be opened slowly along the circumferential angle of each gear of the unidirectional gears when opened; when the barrel cover is closed, the first gear is forced to generate damping force through sliding friction generated between the elastic part and the barrel body through one-way limiting of the one-way gear, and the effect of slowly closing the barrel cover is achieved.

The invention has simple structure, clear principle and obvious effect. When the barrel cover is opened, the torque force between the first gear and the second gear is smaller than the maximum static friction force between the elastic body and the barrel body, and the characteristic that when the unidirectional gear rotates, the bottom end of each rack needs to be forced to rotate continuously is utilized to realize that the barrel cover needs to be opened continuously with force, and the angle of opening each time is limited, so that the damping effect is realized. When the barrel cover is closed, the torque force between the first gear and the second gear is larger than the maximum static friction force between the elastic body and the barrel body and is also larger than the sliding friction force between the elastic body and the barrel body, and the damping effect is realized through the sliding friction force between the elastic body and the barrel body.

The invention has simple structure, low cost, continuous and stable damping force and consistent magnitude. The existence of the self-locking inclined surface reduces the requirements of the one-way damping structure on the elasticity, the response time and the like of the elastic structure, further reduces the cost, reduces the resistance when the barrel cover is opened, reduces the running noise when the one-way damping structure is opened, reduces the impact force of the one-way meshing gear set, prolongs the service life of the structure, ensures the stable and reliable work of the one-way damping structure, and improves the reliability of the one-way damping structure.

Drawings

Fig. 1 is a schematic diagram of an exploded structure of a part of the present invention.

Fig. 2 is a schematic view of the assembly structure of the present invention.

Fig. 3 is a schematic view of a one-way gear meshing structure of the present invention.

Fig. 4 is a schematic diagram of the environment of use of the present invention.

Fig. 5 is an enlarged schematic view of a structure at a in fig. 4.

FIG. 6 is a schematic structural view of a one-way meshing self-locking bevel of the gear of the present invention.

Wherein:

1. an elastic reset device; 2. a first gear; 21. a first fluted disc end; 211. a first fluted disc; 22. a first connection end; 3. a second gear; 31. a second head end; 311. a second fluted disc; 312. a limiting column; 32. a second connection end; 4. an elastomer; 10. a barrel body; 20. and a barrel cover.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the orientations or positional relationships indicated as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., appear based on the orientations or positional relationships shown in the drawings only for the convenience of describing the present invention and simplifying the description, but not for indicating or implying that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" should be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1, 4 and 5, a one-way damping structure of a barrel cover comprises the following components: the first gear 2 is rotatably connected with the barrel body 10, and the first gear 2 is connected with the barrel body 10 in a one-way rotating mode during working. And the second gear 3 is synchronously and rotatably connected with the barrel cover 20, and the second gear 3 can slide back and forth in the barrel cover 20 along the axial direction. The elastic resetting device 1 is arranged in the axis direction of the second gear 3, the elastic resetting device 1 is installed between the second gear 3 and the barrel cover 20, and the elastic resetting device 1 enables the second gear 3 to slide back and forth in the barrel cover to provide elastic resetting force. The second gear 3 can rotate relative to the elastic resetting device 1, so that when the barrel cover is opened and the barrel cover can drive the second gear to rotate relative to the first gear, the elastic resetting device cannot generate large resistance to the rotation of the second gear. The first gear 2 is in one-way meshed connection with the second gear 3, and the rotation direction of the one-way meshed first gear 2 and the second gear 3 is consistent with the rotation direction of the barrel cover 20 when the barrel cover is opened.

Realize that first gear 2 and staving 10 rotate to be connected, the mode that first gear 2 and staving 10 unidirectional rotation are connected during operation is preferred: (1) the first gear 2 is in one-way meshed rotary connection with the barrel body 10, and the rotation direction of the one-way meshing is opposite to the one-way meshing rotation direction of the second gear relative to the first gear; (2) the elastic body provides sliding friction resistance between the first gear and the barrel body to realize unidirectional rotation connection, and the maximum static friction force between the elastic body and the barrel body is smaller than the unidirectional meshing force between the first gear and the second gear.

According to the invention, through the structure, when the barrel cover is opened, the rotation direction is the same as the rotation direction of the one-way meshing of the first gear and the second gear, the second gear can rotate relative to the first gear, and at the moment, the first gear and the barrel body are relatively static, so that the barrel cover is opened. When the barrel cover is closed, the second gear and the first gear are kept in relative meshing, the rotating torque is transmitted to the second gear from the barrel cover and then transmitted to the first gear, and the first gear and the barrel body rotate relatively to provide continuous rotating damping for the barrel body.

The first embodiment is as follows:

the first gear 2 comprises a first fluted disc end 21 and a first connecting end 22 which are integrally designed, the first fluted disc end 21 is connected with the second gear 3 in a one-way meshing manner, a first fluted disc 211 is arranged on the periphery of the surface edge of the first fluted disc end 21, and the middle of the first fluted disc end 21, namely the middle surrounding position of the first fluted disc 211, is a cavity. The first connection end 22 is made of a material with an elastic structure and is connected in the barrel body 10 in an interference manner, and the first connection end can rotate relative to the barrel body while the first connection end 22 is connected with the barrel body 10 in the interference manner. When the torque force transmitted from the first gear end 22 is greater than the maximum static friction force between the first connecting end 22 and the tub, the first gear 2 rotates circumferentially relative to the tub 10. The resilient material of the first connection end 22 is preferably rubber or polyurethane.

The second gear 3 comprises a second gear disk end 31 and a second connecting end 32 which are integrally designed, and the second gear disk end 31 is in one-way meshed connection with the first gear disk end 21 of the first gear 2. The periphery of the surface of the second gear plate end 31 is provided with a second gear plate 311, the middle of the second gear plate end 31, namely the middle surrounding position of the second gear plate 311, is provided with a limiting column 312, and the limiting column 312 is matched and connected with the cavity of the first gear plate end 21, so that the connection structure of the first gear and the second gear is increased, and the connection between the first gear and the second gear is more stable. The second toothed plate 311 is connected to the first toothed plate 211 in a unidirectional meshing manner. The second connecting end 32 is connected with the barrel cover 20 in a synchronous rotating manner, and the second connecting end 32 can be connected with the barrel cover in a profile matching manner or a limiting clamping manner, so that the second connecting end 32 can rotate synchronously with the opening of the barrel cover 20 when the barrel cover 20 is opened, and meanwhile, the second connecting end 32 can move back and forth in the barrel cover 20 along the axial direction of the second gear 3. The elastic resetting device 1, preferably a spring, is arranged in the second connecting end 32, the second connecting end 32 is a rectangular structure with a hollow interior, the elastic resetting device 1 is arranged in the hollow interior, one end of the elastic resetting device 1 abuts against the second gear plate end, and the other end of the elastic resetting device 1 abuts against the barrel cover 20. When the second toothed disc 311 rotates circumferentially relative to the first toothed disc 211, the elastic resetting device 1 is compressed, and meanwhile, in the subsequent rotation process, the elastic resetting device 1 also extrudes the second gear 3 under the action of the elastic restoring force, so that the second gear 3 and the first gear 2 are meshed with each other again.

In this embodiment, when the barrel cover is opened, the engaging force between the second gear and the first gear is smaller than the maximum static friction force between the first gear and the barrel body, so that the second gear rotates along with the barrel cover and the first gear is static relative to the barrel body, and the second gear is engaged with the first gear again by the spring. When the barrel cover is closed, the meshing force between the second gear and the first gear is larger than the maximum static friction force between the first gear and the barrel body, so that the first gear and the second gear are relatively static, the barrel cover drives the second gear and the first gear to relatively rotate together with the barrel body, and the elastic first connecting end of the first gear provides continuous sliding friction force for rotation, so that the damping effect during closing is realized.

As shown in fig. 3, the implementation manner that the meshing force is different between the first gear and the second gear in different rotation directions is mainly implemented by a structure of unidirectional gear meshing, and the structure of unidirectional gear meshing between the gears is implemented by the prior art, as long as the structure can implement the function that the rotation direction of the unidirectional gear meshing between the first gear and the second gear is consistent with the rotation direction of the barrel cover when the barrel cover is opened. As shown in fig. 6, in the present invention, it is preferable that one surface of the rack used for the first gear is a self-locking inclined surface inclined downward from the horizontal plane, specifically, the included angle with the horizontal plane is 8 degrees, and the other surface is an upward inclined surface. A tooth tip with a horizontal circumference surface is arranged between the self-locking vamp and the inclined surface. The self-locking angle of the first gear and the second gear is 8 degrees.

Example two:

on the basis of the first embodiment, the elastic body 4 is additionally arranged on the first connecting end, and the elastic body 4 is made of hard elastic material, preferably rubber or polyurethane. An elastic body 4 is further arranged between the first gear 2 and the barrel body 10, the elastic body 4 extends outwards from the inside of the first gear 2 and is in interference fit with the barrel body 10, the elastic body 4 can rotate relative to the barrel body 10, and the first gear 2 is matched with the elastic body 4 in a molded surface mode so as to realize that the first gear and the elastic body cannot rotate relatively and rotate synchronously. The first connecting end 22 of the first gear 2 is provided with a hollow structure, the outer arm of the first gear has a certain opening, the main body of the elastic body 4 is filled in the hollow space of the first connecting end 22, and the extension part of the elastic body 4 is designed into a structure with the same shape and size as the opening of the outer arm of the first connecting end 22, so that the extension part extends outwards from the opening of the outer arm of the first connecting end 22 and is connected with the barrel body 10 in an interference fit manner. Meanwhile, when the torque force transmitted from the first gear end 22 is greater than the maximum static friction force between the elastic body 4 and the barrel body, the first gear 2 drives the elastic body 4 to rotate circumferentially relative to the barrel body 10.

Example three:

on the basis of the first embodiment, the barrel body 10 and the first connecting end 22 are in one-way meshed connection through one-way meshed gears, and the one-way rotating direction between the first connecting end and the barrel body is opposite to the one-way rotating direction between the second gear and the first gear.

As shown in fig. 3, when the lid of the present invention is opened, the force is transmitted from the lid 20 to the second gear 3, and the force of the second gear 3 is transmitted from the second connecting end 32 to the second gear disk end 31. Because the torque force between the first fluted disc and the second fluted disc is smaller than the maximum static friction force between the first connecting end/the elastic body and the barrel body, the first gear and the barrel body are fixed, and the barrel cover and the second gear rotate synchronously. The concrete expression is as follows: the rack on the second fluted disc end 31 moves along the inclined plane of the rack, and the second gear moves backwards and extrudes the elastic resetting device 4, when the tooth tips of the rack face each other, the extrusion on the elastic resetting device is maximized, and when the rack continues to rotate, the tooth tips of the second fluted disc move to the valley of the first fluted disc, and the elastic resetting device extrudes the second gear under the action of the elastic restoring force, so that the first gear and the second gear are connected in one-way meshing with each other again. And then, the slow opening of the barrel cover is finally realized.

As shown in fig. 2, when the lid of the present invention is closed, the force is transmitted from the lid 20 to the second gear 3, and the force of the second gear 3 is transmitted from the second connecting end 32 to the second gear disk end 31. The spring extrudes the second gear to enable the tooth tips of the second gear to correspond to the tooth valleys of the first gear, at the moment, the torsion between the first gear and the second gear is larger than the maximum static friction force between the first connecting end/the elastic body and the barrel body and is also larger than the sliding friction force between the first connecting end/the elastic body and the barrel body, so that the first gear and the second gear are not moved, but the first connecting end/the elastic body rotates circularly relative to the garbage barrel body to generate sliding friction force, and the sliding friction force is used as damping force to realize the slow closing of the garbage barrel cover.

The one-way damping structure of the dustbin cover can be applied to the field of intelligent dustbin of users and can also be applied to the technical fields of other dustbin, cabinet or door and the like.

The above embodiments are only for illustrating the invention and are not to be construed as limiting the invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the invention, therefore, all equivalent technical solutions also belong to the scope of the invention, and the scope of the invention is defined by the claims.

Claims (8)

1. A one-way damping structure of a barrel cover is characterized by comprising the following components:

the first gear (2), the first gear (2) is rotationally connected with the barrel body (10);

the second gear (3) is synchronously and rotatably connected with the barrel cover (20), and the second gear (3) can axially slide relative to the barrel cover (20);

the elastic resetting device (1) is arranged in the axis direction of the second gear (3), and the elastic resetting device (1) is arranged between the second gear (3) and the barrel cover (20);

the first gear (2) is meshed with the second gear (3) in a one-way mode, and the rotation direction of the first gear (2) meshed with the second gear (3) in the one-way mode is consistent with the rotation direction of the barrel cover (20) when the barrel cover is opened;

when the gear type gear box works, the first gear (2) and the barrel body (10) rotate in a single direction, and the single-direction rotating direction of the first gear (2) and the barrel body (10) is opposite to the rotating direction of the single-direction meshing of the first gear (2) and the second gear (3).

2. The one-way damping structure of the barrel cover as claimed in claim 1, wherein: first gear (2) with still be equipped with elastomer (4) between staving (10), first gear (2) sticiss with staving (10) through elastomer (4) and is connected, elastomer (4) extend outward and with staving (10) interference fit in following first gear (2), elastomer (4) can be relative staving (10) rotate, first gear (2) with elastomer (4) profile fit is in order to realize synchronous rotation.

3. The one-way damping structure of the barrel cover as claimed in claim 2, wherein: the first gear (2) comprises a first fluted disc end (21) and a first connecting end (22), and the first fluted disc end (21) is in one-way meshed connection with the second gear (3); the elastic body (4) is clamped on the first connecting end (22) and passes through the first connecting end (22) to be in interference fit with the barrel body (10).

4. The one-way damping structure of the barrel cover as claimed in claim 1 or 2, wherein: the second gear (3) comprises a second gear disc end (31) and a second connecting end (32), and the second gear disc end (31) is in one-way meshed connection with the first gear (2); the second connecting end (32) is matched with the profile of the barrel cover (20), and the elastic resetting device (1) is arranged in the second connecting end (32).

5. A barrel cover unidirectional damping structure as claimed in claim 3, wherein: the second gear (3) comprises a second gear disc end (31) and a second connecting end (32), and the second gear disc end (31) is in one-way meshed connection with the first gear disc end (21); the second connecting end (32) is matched with the profile of the barrel cover (20), and the elastic resetting device (1) is arranged in the second connecting end (32).

6. The one-way damping structure of the barrel cover as claimed in claim 5, wherein: a first fluted disc (211) is arranged on the surface edge of the first fluted disc end (21), and a cavity is arranged in the middle of the first fluted disc end (21); a second fluted disc (311) is arranged on the surface of the second fluted disc end (31), and a limiting column (312) matched with the cavity is arranged in the middle of the second fluted disc end (31); the first fluted disc (211) is in one-way meshed connection with the second fluted disc (311).

7. The one-way damping structure of the barrel cover as claimed in claim 1, wherein: the elastic reset device (1) is a spring.

8. The one-way damping structure of the barrel cover as claimed in claim 2, wherein: the elastomer (4) is rubber or polyurethane.

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