CN218143589U

CN218143589U - Sealing connection structure and garbage can

Info

Publication number: CN218143589U
Application number: CN202221609728.0U
Authority: CN
Inventors: 徐健
Original assignee: Shanghai Townew Intelligent Technology Co Ltd
Current assignee: Shanghai Townew Intelligent Technology Co Ltd
Priority date: 2022-06-20
Filing date: 2022-06-20
Publication date: 2022-12-27
Anticipated expiration: 2032-06-20

Abstract

The utility model discloses a sealing connection structure and a garbage can, wherein the garbage can comprises a big cover and a dust-gas separation device arranged on the big cover; the sealing connection structure comprises a first air pipe and a second air pipe, one end of the first air pipe is sleeved with one end of the second air pipe and communicated with the second air pipe, a conical occlusal surface is arranged between the first air pipe and the second air pipe, and the conical occlusal surfaces of the first air pipe and the second air pipe are in interference fit to be in contact sealing under a stress state. The sealing conical surfaces on the first air pipe, the base interface and the second air pipe of the utility model ensure the sealing effect; the installation and the dismantlement are simple, need not to use unnecessary instrument, fast-assembling quick detach.

Description

Sealing connection structure and garbage can

Technical Field

The utility model relates to a pipeline sealing device technical field especially relates to a sealed draw bail and garbage bin.

Background

At present, pipeline sealing devices are generally divided into two types: the first is a spherical or conical pipe joint with external thread on one pipe, the other matched pipe is provided with a nut with internal thread, the pipes are sealed by adopting spherical surfaces or conical surfaces and are fastened through threaded connection; the second is that two pipelines both adopt flange joints and are sealed by sealing gaskets or sealing rubber rings.

The pipeline connecting structures have the following disadvantages: more than two tools are required to simultaneously apply torque on the matched pipelines for disassembling and assembling the pipelines; the pipe joint is too large in volume and is not suitable for pipeline connection with limited internal space; failure is easily caused in the case where the frequency of removal is high.

SUMMERY OF THE UTILITY MODEL

On the one hand, the disassembly and assembly can be simplified while the sealing is ensured, the utility model provides a sealing connection structure.

The sealing connection structure comprises a first air pipe and a second air pipe, one end of the first air pipe is sleeved with one end of the second air pipe and communicated with the second air pipe, a conical occlusal surface is arranged between the first air pipe and the second air pipe, and the conical occlusal surfaces of the first air pipe and the second air pipe are in interference fit.

Preferably, at the position where the first air pipe and the second air pipe are sleeved, the outer side of one of the first air pipe and the second air pipe, which is sleeved on the outer side, is sleeved with the base interface.

One end of the first air pipe extends downwards and is sleeved in one end of the second air pipe.

Preferably, the end of one of the outer sides of the first air pipe and the second air pipe is sleeved with the base interface, and the end is exposed out of the upper portion of the base interface or sleeved with the base interface.

Preferably, the direction in which the first air pipe breaks away from the second air pipe is defined as a limiting direction;

a conical occlusal surface is arranged between the second air pipe and the base interface, and can limit the second air pipe to move towards the limiting direction when the first air pipe is separated from the second air pipe; or the like, or a combination thereof,

the inner wall of the base interface is provided with a limiting part, wherein the limiting part can be abutted against the end face of the second air pipe to limit the second air pipe to move towards the limiting direction.

Preferably, the taper angle of the taper occlusal surface between the first air pipe and the second air pipe is 1-5 degrees; the taper angle of the taper occlusal surface between the second air pipe and the base interface is 1-5 degrees.

Preferably, the top of the second air pipe comprises an elbow part and an inclined plane sealing part, the joint of the elbow part and the inclined plane sealing part is a first sealing table top, and the first sealing table top is abutted to the bottom surface of the first air pipe.

On the other hand, in order to prevent that the dust in the garbage bin from getting into garbage bin inner structure, the utility model also provides a garbage bin, garbage bin includes the big lid and locates the dirt gas separator who covers greatly, dirt gas separator below is provided with first trachea, big lid below is provided with the second trachea.

Preferably, the dust-gas separating device is provided with a dust outlet, and the dust outlet is communicated with the first air pipe.

Compared with the prior art, the beneficial effect of adopting the technical scheme is that:

1. the sealing conical surfaces (inclined surfaces) on the first air pipe, the base connector and the second air pipe ensure the sealing effect;

2. the first air pipe and the second air pipe are directly sleeved in the axial direction, so that the installation and the disassembly are simple, redundant tools are not needed, and the quick assembly and the quick disassembly are realized;

3. the volume of the base interface is small, so that excessive space in the dust-gas separation device is not occupied, and the arrangement of other parts is not influenced.

Drawings

The drawings are only for purposes of illustrating particular embodiments and are not to be construed as limiting the invention, wherein like reference numerals are used to represent similar parts in the several views.

Fig. 1 is an explosion diagram of the sealing connection structure and the garbage can of the present invention.

Fig. 2 is a schematic structural diagram of the sealing connection structure and the garbage can of the present invention.

Fig. 3 is a cross-sectional view of the sealing connection structure and the garbage can of the present invention.

Fig. 4 is an enlarged view of the present invention at a in fig. 3.

In the figure:

1-a dust-gas separation device, 2-a large cover, 3-a first gas pipe, 4-a base interface, 5-a second gas pipe, 6-an open space and 7-a dust-gas separation chamber; 11-a dust outlet; 31 a first outlet end, 32-a first inlet end, 33-a first sealing cone;

41-a first pipe inlet end, 42-a second pipe inlet end and 43-a second sealing table surface; 421-a second sealing cone;

51-bent pipe part, 52-inclined plane sealing part and 53-first sealing table surface; 521-the second seal mating taper surface, 522-the first seal mating taper surface.

Detailed Description

The technical solution of the present invention will be further described in detail with reference to the accompanying drawings by specific embodiments. The following description refers to the accompanying drawings in which the same numbers in different drawings represent the same or similar elements unless otherwise indicated.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "top surface", "bottom surface", "upper end", "lower end", "both ends", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1 and 2, the sealing coupling structure of the present embodiment is a dust-gas separating device for a trash can, where the dust-gas separating device includes a large cover 2 and a dust-gas separating device 1 abutting against the large cover 2, the middle portions of the dust-gas separating device 1 and the large cover 2 are an open space 6 which is open up and down, a dust-gas separating chamber 7 (fig. 3) is formed around the dust-gas separating device 1 and around the large cover 2 after the large cover 2 is closed, a dust outlet 11 is provided on the dust-gas separating device 1, dust gas enters the dust-gas separating chamber 7 from the dust outlet 11 after entering the open space 6 for filtering, and air is discharged to leave dust, so as to prevent the dust, etc. from entering the interior structure of the trash can.

The sealing connection structure comprises a base interface 4 arranged below the large cover 2, a first air pipe 3 arranged below the dust-gas separation device 1 and sleeved in the base interface 4, and a second air pipe 5 with the upper end sleeved in the base interface 4.

In this embodiment, in the base interface 4, the lower end of the first air pipe 3 is sleeved on the inner wall of the upper end of the second air pipe 5, and the first air pipe 3, the base interface 4 and the second air pipe 5 are all in interference fit.

The upper end and the lower extreme of first trachea 3 be respectively with go out the first end 31 of giving vent to anger of dirt mouth 11 intercommunication and with the first inlet end 32 of second trachea 5 intercommunication, the dirt gas is followed second trachea 5 gets into first trachea 3 to discharge from a dirt mouth 11.

As shown in fig. 3 and 4, a conical occlusion surface is provided between the first air tube 3 and the second air tube 5. The outer wall of the lower end of the first air pipe 3 gradually contracts inwards from top to bottom to form a first sealing conical surface 33, the inner wall of the second air pipe 5 gradually expands outwards from top to bottom to form a first sealing matching conical surface 522 in sealing fit with the first sealing conical surface 33, the lower end of the first air pipe 3 is sleeved in the second air pipe 3, and the sealing between the first air pipe 3 and the second air pipe 5 is achieved through interference fit between conical occlusion surfaces of the first air pipe and the second air pipe in a stress state to prevent dust from entering the inner structure of the garbage can.

In other embodiments, the positions of the conical surfaces of the first air tube 3 and the second air tube 5 may be deformed, so that one end of the second air tube 5 is sleeved in the first air tube 3.

Further, the upper end of the base interface 4 is a first pipe inlet end 41 for the first air pipe 3 to be sleeved, and the dust-air separation device 1 can be quickly positioned by aligning the first air pipe 3 with the first pipe inlet end 41.

Further, a second inlet pipe end 42 for the second air pipe 5 to sleeve is arranged at the lower end of the base interface 4, so that the first air pipe 3 and the second air pipe 5 are communicated.

Further, a conical occlusion surface is arranged between the base interface 4 and the second air tube 5. The inner wall of the second pipe inlet end 42 of the base interface 4 gradually expands outwards from top to bottom to form a second sealing conical surface 421, and the outer wall of the upper end of the second air pipe 5 gradually contracts inwards from top to bottom to form a second sealing matching conical surface 521 in sealing matching with the second sealing conical surface 421, so that the second air pipe 5 is limited to move up and down relative to the first air pipe 3.

Preferably, a limiting part is arranged on the inner wall of the base interface 4, for example, a joint of the first pipe inlet end 41 and the second pipe inlet end 42 of the base interface 4 is a second sealing table 43, and the second sealing table 43 abuts against the end surface of the second air pipe 5 to limit the second air pipe 5 from moving up and down relative to the first air pipe 3.

Furthermore, the top of the second air pipe 5 comprises a bent pipe part 51 and a slope sealing part 52 sleeved in the second air inlet pipe end 42, a joint of the bent pipe part 51 and the slope sealing part 52 is a first sealing table 53, and the first sealing table 53 abuts against the bottom surface of the first air pipe 3 to reduce dust accumulation.

Further, the taper angles of the first sealing taper surface 33 and the second sealing taper surface 421 are 1 ° to 5 °, so as to achieve a better sealing performance. It should be understood that the term "taper angle" used in this embodiment refers to the angle between two generatrices of the axial section of the cone (section passing through the axis of the cone).

The above-mentioned only be the embodiment of the present invention, not consequently the restriction of the patent scope of the present invention, all utilize the equivalent structure or equivalent flow transform made of the content of the specification and the attached drawings, or directly or indirectly use in other relevant technical fields, all including in the same way the patent protection scope of the present invention.

Claims

1. A sealing connection structure is characterized by comprising a first air pipe and a second air pipe, wherein one end of the first air pipe is sleeved with one end of the second air pipe and is communicated with the end of the first air pipe, a conical occlusal surface is arranged between the first air pipe and the second air pipe, and the conical occlusal surfaces of the first air pipe and the second air pipe are in interference fit.

2. The sealing coupling structure of claim 1, wherein at the position where the first air pipe and the second air pipe are sleeved, the outer side of one of the first air pipe and the second air pipe, which is sleeved at the outer side, is sleeved with the base interface.

3. The sealing coupling as claimed in claim 1 or 2, wherein one end of the first air tube extends downwardly to be nested within one end of the second air tube.

4. The sealing coupling structure of claim 2, wherein the end of one of the first air tube and the second air tube is disposed outside and exposed from the upper portion of the base interface, or disposed inside the base interface.

5. The sealing coupling structure according to claim 2, wherein the direction in which the first air pipe is disengaged from the second air pipe is defined as a limit direction;

a conical occlusal surface is arranged between the second air pipe and the base interface, and can limit the second air pipe to move towards the limiting direction when the first air pipe is separated from the second air pipe; or the like, or, alternatively,

6. The sealing coupling structure of claim 5, wherein the taper angle of the tapered occlusal surface between the first air tube and the second air tube is 1-5 °; the taper angle of the tapered occlusal surface between the second air pipe and the base interface is 1-5 degrees.

7. The sealing and connecting structure as claimed in claim 1, wherein the top of the second air tube comprises a bent tube portion and a slant sealing portion, the joint of the bent tube portion and the slant sealing portion is a first sealing table, and the first sealing table abuts against the bottom surface of the first air tube.

8. A garbage can comprises a large cover and a dust-gas separating device arranged on the large cover, and is characterized in that a first air pipe according to any one of claims 1 to 7 is arranged below the dust-gas separating device, and a second air pipe according to any one of claims 1 to 7 is arranged below the large cover.

9. The trash can of claim 8, wherein the dust-gas separating device is provided with a dust outlet which is communicated with the upper end of the first air pipe.