CN210237668U

CN210237668U - One-way blowpipe

Info

Publication number: CN210237668U
Application number: CN201921254302.6U
Authority: CN
Inventors: Jiahong Li; 李加宏
Original assignee: Guangzhou Shin Dorn Plastic Toy Co ltd
Current assignee: Guangzhou Shin Dorn Plastic Toy Co ltd
Priority date: 2019-08-05
Filing date: 2019-08-05
Publication date: 2020-04-03
Anticipated expiration: 2029-08-05

Abstract

The utility model discloses a one-way blowpipe, including intake pipe and little bear head portrait, the lower extreme of intake pipe is provided with little bear head portrait, little bear head portrait connects the table end in the outside of the lower extreme of intake pipe through cup jointing, intake pipe and little bear head portrait connect through cup jointing, the lower extreme of little bear head portrait is provided with the air duct, in the utility model, firstly, the air current is guided in through the intake pipe, and then passes through the cross structure through the disk, the cross structure acts as the dispersed air current, makes the air current pass smoothly, if the air current comes in from the outlet duct because of the big pressure below the cross structure, then the air will cover the round hole with the disk after passing through the cross structure, and the effect of closing the air and not flowing back is reached, a fixed appropriate distance is left between the cross structure and the round hole for the disk activity, only can move back and forth, which side pressure is big just leans on one side in addition, if lean on the, if the round hole is close to the side, the round hole is covered by the round sheet, so that the airflow cannot flow back.

Description

One-way blowpipe

Technical Field

The utility model belongs to the technical field of the connecting tube is relevant, concretely relates to one-way blowpipe.

Background

The one-way valve is a check valve, is a directional control valve in which air flow can only flow in one direction but can not flow in the reverse direction, is often combined with a throttle valve, a sequence valve and the like to form a one-way throttle valve and a one-way sequence valve for use, and is frequently applied to airplanes, and the phenomenon of air leakage is often caused due to the damage of a valve port of a valve seat in the use process, so that the flight is influenced. When the situation occurs, the valve is often replaced by a new one-way valve, and more replaced one-way valves are accumulated over time.

A belly pipe is disclosed in a patent document with the publication number of 208308899U, and relates to the technical field of ironmaking auxiliary equipment, and the main purpose is to solve the problem of insufficient heat energy utilization. The belly pipe comprises a pipe body, wherein a high-temperature-resistant layer, a transition layer and a common layer are sequentially arranged on the inner wall of the pipe body from inside to outside. The utility model discloses a set gradually high temperature resistant layer, transition layer and common layer on the inner wall of pipe body, can effectively completely cut off heat radiation and heat-conduction to reduce the temperature of pipe body, avoid hot air loss, reach the purpose of make full use of heat energy, but present one-way blowpipe technique has following problem: when the existing one-way blowpipe conducts one-way ventilation, the phenomenon of air flow backflow can be caused due to the condition of pressure change, so that the air inlet pipe can be led out from the air outlet pipe, and the effect of one-way air guiding cannot be well realized.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an one-way blowpipe to the current one-way blowpipe that proposes in solving above-mentioned background art can be because the problem of refluence appears in the change of pressure when carrying out one-way air guide.

In order to achieve the above object, the utility model provides a following technical scheme: a one-way blowpipe comprises an air inlet pipe and a small bear head figure, wherein the lower end of the air inlet pipe is provided with the small bear head figure, the small bear head figure is connected to the meter end of the outer side of the lower end of the air inlet pipe in a sleeved mode, the air inlet pipe is connected with the small bear head figure in a sleeved mode, the lower end of the small bear head figure is provided with an air guide pipe, the air guide pipe is connected with the small bear head figure in a sleeved mode, the lower end of the air guide pipe is provided with an air outlet pipe, the air outlet pipe is connected to the lower end of the air guide.

Preferably, the air duct comprises a duct body, an inner tube, a wafer and a connecting groove, the inner tube is arranged at the upper end of the inner portion of the duct body, the wafer is arranged at the lower end of the inner tube, the connecting groove is arranged at the lower end of the wafer, and the air duct is connected with the air inlet pipe in a sleeved mode through the duct body.

Preferably, the air outlet pipe comprises a cross structure, a branch pipe, a connecting column and an end head, the connecting column is arranged at the upper end of the end head, the branch pipe is arranged in the upper end of the connecting column, the cross structure is arranged at the upper end of the branch pipe, and the air outlet pipe is connected with the air guide pipe through the connecting column in a sleeved mode.

Preferably, the air inlet pipe and the air outlet pipe are both of a structure with a hollow cylinder inside, and the diameters of the cross sections of the air inlet pipe and the air outlet pipe are the same.

Preferably, the bear head portrait is of a bear-shaped structure, a round hole-shaped structure is arranged inside the bear head portrait, and the diameter of the cross section of the round hole inside the bear head portrait is directly the same as that of the cross section of the air duct.

Preferably, the air duct is of a hollow cylindrical structure, a clamping groove is formed in the upper end of the air duct, and an internal thread groove is formed in the lower end of the air duct.

Preferably, the connecting column is of a cylindrical structure, an external thread groove is formed in one circle of the outer side of the connecting column, the height of the connecting column is ten millimeters, and the diameter of the cross section of the connecting column is six millimeters.

Preferably, the cross structure is a cross structure, the cross structure is connected with the air guide tube in a sleeved mode, and the cross structure is fixed.

Compared with the prior art, the utility model provides an one-way blowpipe possesses following beneficial effect:

(1) the utility model discloses in at first leading-in the air current through the intake pipe, can pass through a disk, then cross structure, cross structure's effect is the dispersed air current, makes the air current smoothly pass through, then gives vent to anger, if because of pressure is big, and when making the air current come in from the outlet duct, then pass through cross structure after, can cover the round hole with the disk, reach the effect that closes the gas and do not flow back, the benefit of this design is because the weight of thin slice is extremely light, reaction air current forward that can be very sensitive passes through and reverse closure, reach the effect of required check valve;

(2) the utility model discloses leave fixed appropriate distance between well cross structure and the round hole and give the disk activity, can not make it overturn, can only the back-and-forth movement, which side pressure just leans on one side in addition greatly, if lean on cross structure this side then the air current pass through, if lean on the round hole this side, then cover the round hole through the disk for the unable backward flow of air current, thereby solved current one-way blowpipe and probably made the problem that appears the refluence because the change of pressure when carrying out one-way air guide.

Drawings

FIG. 1 is a schematic view of a one-way blowing pipe structure of the present invention;

FIG. 2 is a left side view schematic diagram of the one-way blowing pipe of the present invention;

FIG. 3 is a schematic view of the structure of the airway tube of the present invention;

FIG. 4 is a schematic view of the outlet pipe structure of the present invention;

in the figure: 1. an air inlet pipe; 2. head portrait of the little bear; 3. an air duct; 31. a pipe body; 32. an inner tube; 33. a wafer; 34. connecting grooves; 4. an air outlet pipe; 41. a cross structure; 42. a branch pipe; 43. connecting columns; 44. and (4) a terminal.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a one-way blowpipe comprises an air inlet pipe 1 and a bear head portrait 2, the lower end of the air inlet pipe 1 is provided with the bear head portrait 2, the air inlet pipe 1 and an air outlet pipe 4 are both of a hollow cylindrical structure, so that the air guide effect can be better achieved, the cross section diameters of the air inlet pipe 1 and the air outlet pipe 4 are the same, the bear head portrait 2 is connected to the surface end of the outer side of the lower end of the air inlet pipe 1 through sleeving, the air inlet pipe 1 is connected with the bear head portrait 2 through sleeving, the lower end of the bear head portrait 2 is provided with an air guide pipe 3, the bear head portrait 2 is of a bear-shaped structure, so that the decoration effect can be better achieved, the interior of the bear head portrait 2 is provided with a round hole-shaped structure, the cross section of a round hole in the interior of the bear head portrait 2 is directly the same as the cross section diameter of the air guide pipe 3, the air guide pipe, the inner tube 32 is arranged at the upper end of the inner part of the tube body 31, the disc 33 is arranged at the lower end of the inner tube 32, and through the arrangement of the disc 33, thereby better performing the function of choked flow, the lower end of the wafer 33 is provided with a connecting groove 34, the air duct 3 is connected with the air inlet pipe 1 through the tube body 31 in a sleeved manner, the air duct 3 is connected with the head portrait 2 of the little bear in a sleeved manner, the lower end of the air duct 3 is provided with an air outlet pipe 4, the air outlet pipe 4 comprises a cross structure 41, a branch pipe 42, a connecting column 43 and an end head 44, the upper end of the end head 44 is provided with the connecting column 43, thereby can make better the connecting under the effect of spliced pole 43, the inside of the upper end of spliced pole 43 is provided with branch pipe 42, and the upper end of branch pipe 42 is provided with cross structure 41, and cross structure 41 is cross structure, and cross structure 41 is connected through cup jointing with air duct 3, and cross structure is immovable. Outlet duct 4 cup joints with air duct 3 through spliced pole 43 and is connected, spliced pole 43 is the cylinder structure, a week in the spliced pole 43 outside is provided with the thread groove, thereby can be so that inseparabler of connecting under the effect in thread groove, the spliced pole height is ten millimeters, the cross-sectional diameter of spliced pole 43 is six millimeters, outlet duct 4 is through cup jointing the lower extreme at air duct 3, air duct 3 is inside hollow cylinder structure, thereby can be better connect intake pipe 1 and outlet duct 4, the inside of the upper end of air duct 3 is provided with the draw-in groove, the inside of the lower extreme of air duct 3 is provided with the thread groove, air duct 3 is connected through cup jointing with outlet duct 4.

The utility model discloses a theory of operation and use flow: the utility model discloses install the back, when will carrying out this tracheal use, at this moment install this trachea the position department of waiting to install at first, then will have the intake pipe 1 of the one end of little bear head portrait 2 to fix in the position department that admits air through sealed flange, later fix outlet duct 4 in the one side of giving vent to anger, at this moment import the air current through intake pipe 1, leading-in air current can pass through a disk 33, pass through cross structure 41 behind disk 33, cross structure 41's effect is the dispersed air current, make the air current smoothly pass through, gas passes through cross structure 41 earlier, exhaust by outlet duct 4 at last, leave fixed suitable distance between cross structure 41 and the round hole and give disk 33 activity, can make disk 33 can not make it overturn like this, can only the back-and-forth movement, which big disk 33 of pressure just leans on one side in addition, if lean on this side of cross structure 41 then the air current passes through, if the air pipe leans on the side of the round hole, the round piece 33 can cover the round hole, so that the air flow cannot flow back, if the air flow enters from the air outlet pipe 4 due to high pressure, the round piece 33 can be pushed after passing through the cross structure 41, so that the round hole is covered by the round piece 33, the effect of closing the air and preventing the air flow from flowing back is achieved, and the air pipe is used.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A one-way blowpipe comprises an air inlet pipe (1) and a little bear head portrait (2), and is characterized in that: the lower extreme of intake pipe (1) is provided with little bear head portrait (2), the table end in the outside of the lower extreme of intake pipe (1) is connected through cup jointing in little bear head portrait (2), intake pipe (1) is connected through cup jointing with little bear head portrait (2), the lower extreme of little bear head portrait (2) is provided with air duct (3), air duct (3) are connected through cup jointing with little bear head portrait (2), the lower extreme of air duct (3) is provided with outlet duct (4), the lower extreme at air duct (3) is connected through cup jointing in outlet duct (4), air duct (3) are connected through cup jointing with outlet duct (4).

2. A unidirectional blow tube as claimed in claim 1 wherein: the air duct (3) comprises a duct body (31), an inner tube (32), a wafer (33) and a connecting groove (34), the inner tube (32) is arranged at the upper end of the inner portion of the duct body (31), the wafer (33) is arranged at the lower end of the inner tube (32), the connecting groove (34) is arranged at the lower end of the wafer (33), and the air duct (3) is connected with the air inlet pipe (1) through the duct body (31) in a sleeved mode.

3. A unidirectional blow tube as claimed in claim 1 wherein: the gas outlet pipe (4) is composed of a cross structure (41), branch pipes (42), connecting columns (43) and end heads (44), the connecting columns (43) are arranged at the upper ends of the end heads (44), the branch pipes (42) are arranged inside the upper ends of the connecting columns (43), the cross structure (41) is arranged at the upper ends of the branch pipes (42), and the gas outlet pipe (4) is connected with the gas guide pipe (3) through the connecting columns (43) in a sleeved mode.

4. A unidirectional blow tube as claimed in claim 1 wherein: the air inlet pipe (1) and the air outlet pipe (4) are both of a structure with a hollow cylinder inside, and the diameters of the sections of the air inlet pipe (1) and the air outlet pipe (4) are the same.

5. A unidirectional blow tube as claimed in claim 1 wherein: the head portrait of the little bear (2) is of a bear-shaped structure, a round hole-shaped structure is arranged inside the head portrait of the little bear (2), and the diameter of the cross section of the round hole inside the head portrait of the little bear (2) is the same as that of the air duct (3).

6. A unidirectional blow tube as claimed in claim 1 wherein: the air guide pipe (3) is of a hollow cylinder structure, a clamping groove is formed in the upper end of the air guide pipe (3), and an internal thread groove is formed in the lower end of the air guide pipe (3).

7. A unidirectional blow tube as claimed in claim 3 wherein: the connecting column (43) is of a cylindrical structure, an external thread groove is formed in one circle of the outer side of the connecting column (43), the height of the connecting column is ten millimeters, and the diameter of the cross section of the connecting column (43) is six millimeters.

8. A unidirectional blow tube as claimed in claim 3 wherein: the cross structure (41) is a cross structure, the cross structure (41) is connected with the air guide pipe (3) in a sleeved mode, and the cross structure (41) is fixed.