CN210209256U

CN210209256U - People's air defense ventilation embedded pipeline

Info

Publication number: CN210209256U
Application number: CN201920194184.8U
Authority: CN
Inventors: Xiyun Zhang; 张希云
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-02-13
Filing date: 2019-02-13
Publication date: 2020-03-31
Anticipated expiration: 2029-02-13

Abstract

The utility model discloses a people's air defense ventilation buried pipeline relates to pipeline expansion instrument technical field, this people's air defense ventilation buried pipeline, including the gas collecting tank, the trachea joint has been seted up at the top of gas collecting tank, one side fixedly connected with trachea of gas collecting tank, one side fixedly connected with power cylinder of gas collecting tank is kept away from to the trachea, one side of power cylinder is the first cylinder bucket of fixedly connected with, second cylinder bucket, third cylinder bucket, fourth cylinder bucket respectively. This high efficiency's pneumatic expander and use its people's air defense ventilation embedded pipeline, jack before the expanding unit is too little with the pipe wall contact surface, causes the damage to the pipe wall easily, can increase area of contact through setting up the expansion roof, reaches to reduce to the pipe wall in the purpose that becomes the damage, sets up the expansion area, can be connected four expansion roofs, and the position keeps unified, reaches the purpose that increases work efficiency.

Description

People's air defense ventilation embedded pipeline

Technical Field

The utility model relates to a pipeline expansion instrument technical field specifically is a people's air defense ventilation buried pipeline in advance.

Background

Aiming at the expansion and positioning of inner pipes of various tubular members, a jack is generally adopted to realize expansion and welding at present, for example, the manufacturing of a ventilation embedded pipeline of civil air defense engineering is adopted, the contact surface between the jack and the pipe wall in front of the existing expansion device is too small, the damage to the closing is easy to cause, and the contact surface position is easy to move when the jack is expanded, so the improvement is needed.

At present, the existing quick and efficient pneumatic expander and the civil air defense ventilation embedded pipeline using the same are inconvenient to use and are not beneficial to popularization and use.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a people's air defense ventilation embedded pipeline has solved current people's air defense ventilation embedded pipeline, uses inconveniently, is unfavorable for the problem of using widely.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

the utility model provides a people's air defense ventilation buried pipeline in advance, includes the gas collecting tank, the trachea joint has been seted up at the top of gas collecting tank, one side fixedly connected with trachea of gas collecting tank, one side fixedly connected with power cylinder that the trachea is far away from the gas collecting tank, one side of power cylinder is fixedly connected with first cylinder bucket, second cylinder bucket, third cylinder bucket respectively, fourth cylinder bucket, first cylinder bucket, second cylinder bucket, third cylinder bucket, one side fixedly connected with piston seal circle of fourth cylinder bucket, first cylinder bucket, second cylinder bucket, third cylinder bucket, the inside swing joint of fourth cylinder bucket has the power piston rod.

Optionally, one side of the power piston rod is fixedly connected with a fixing block, and one side of the fixing block is fixedly connected with an expansion top plate.

Optionally, one side of the expansion top plate is provided with a first clamping groove, and one side of the first clamping groove is fixedly connected with a first spring.

Optionally, a second clamping groove is formed in one side, away from the first clamping groove, of the expansion top plate, and a second spring is fixedly connected to one side of the second clamping groove.

Optionally, expansion belts are movably connected inside the first clamping groove and the second clamping groove, and the first clamping groove and the second clamping groove are movably connected with the expansion belts through a first spring and a second spring.

Optionally, one side swing joint of expansion roof has the steel pipe, first draw-in groove and second draw-in groove are located the both sides center department of expansion roof, and the size is the same, and the expansion roof is the arc structure.

(III) advantageous effects

The utility model provides a people's air defense ventilation embedded pipeline possesses following beneficial effect:

(1) this people's air defense ventilation embedded pipeline through setting up the expansion roof, one side fixedly connected with expansion roof of fixed block, and the expansion roof is the arc structure, and jack before the extension fixture is too little with the pipe wall contact surface, causes the damage to the pipe wall easily, can increase area of contact through setting up the expansion roof, reaches to reduce the purpose that becomes the damage to the pipe wall.

(2) This people's air defense ventilation buried pipeline through setting up the expansion band, and the inside swing joint of first draw-in groove and second draw-in groove has the expansion band, and first draw-in groove and second draw-in groove are through first spring and second spring and expansion band swing joint, and the contact surface position removes easily during the jack expansion, through setting up the expansion band, can be connected four expansion roofs, and the position keeps unified, reaches the purpose that increases work efficiency.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the power cylinder of the present invention;

fig. 3 is an enlarged schematic view of the structure of fig. 2A according to the present invention.

In the figure: 1-gas collection tank, 2-gas pipe joint, 3-gas pipe, 4-power cylinder, 5-first cylinder barrel, 6-second cylinder barrel, 7-third cylinder barrel, 8-fourth cylinder barrel, 9-piston sealing ring, 10-power piston rod, 11-fixed block, 12-expansion top plate, 13-first clamping groove, 14-first spring, 15-second clamping groove, 16-second spring, 17-expansion belt and 18-steel pipe.

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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; may be a mechanical connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-3, the present invention provides a technical solution:

the utility model provides a people's air defense ventilation embedded pipeline, including gas collecting tank 1, the trachea joint 2 has been seted up at gas collecting tank 1's top, one side fixedly connected with trachea 3 of gas collecting tank 1, one side fixedly connected with power cylinder 4 that gas collecting tank 1 was kept away from to trachea 3, one side difference fixedly connected with first cylinder bucket 5 of power cylinder 4, second cylinder bucket 6, third cylinder bucket 7, fourth cylinder bucket 8, first cylinder bucket 5, second cylinder bucket 6, third cylinder bucket 7, one side fixedly connected with piston seal 9 of fourth cylinder bucket 8, first cylinder bucket 5, second cylinder bucket 6, third cylinder bucket 7, the inside swing joint of fourth cylinder bucket 8 has power piston rod 10.

As an optional technical solution of the utility model:

one side fixedly connected with fixed block 11 of power piston rod 10, one side fixedly connected with expansion roof 12 of fixed block 11 can increase area of contact through setting up expansion roof 12, reaches to reduce the purpose that becomes the damage to the pipe wall.

As an optional technical solution of the utility model:

a first clamping groove 13 is formed in one side of the expansion top plate 12, and a first spring 14 is fixedly connected to one side of the first clamping groove 13.

As an optional technical solution of the utility model:

a second clamping groove 15 is formed in one side, far away from the first clamping groove 13, of the expansion top plate 12, and a second spring 16 is fixedly connected to one side of the second clamping groove 15.

As an optional technical solution of the utility model:

the inside swing joint of first draw-in groove 13 and second draw-in groove 15 has expansion belt 17, and the contact surface position removes easily during the jack expansion, through setting up expansion belt 17, can be connected four expansion roof 12, and the position keeps unified, reaches the purpose that increases work efficiency, and first draw-in groove 13 and second draw-in groove 15 are through first spring 14 and second spring 16 and expansion belt 17 swing joint.

As an optional technical solution of the utility model:

one side swing joint of expansion roof 12 has steel pipe 18, and first draw-in groove 13 and second draw-in groove 15 are located the both sides center department of expansion roof 12, and the size is the same, and expansion roof 12 is the arc structure.

In conclusion, this people's air defense ventilation embedded pipeline, during the use, through setting up expansion roof 12, one side fixedly connected with expansion roof 12 of fixed block 11, expansion roof 12 is the arc structure, jack before the extension fixture is too little with the pipe wall contact surface, cause the damage to the pipe wall easily, can increase area of contact through setting up expansion roof 12, reach and reduce the purpose that becomes the damage to the pipe wall, through setting up expansion strip 17, the inside swing joint of first draw-in groove 13 and second draw-in groove 15 has expansion strip 17, first draw-in groove 13 and second draw-in groove 15 are through first spring 14 and second spring 16 and expansion strip 17 swing joint, the contact surface position is removed easily during the jack expansion, through setting up expansion strip 17, can be connected four expansion roofs 12, the position keeps unified, reach the purpose that increases work efficiency.

It is noted that in the present disclosure, unless otherwise explicitly specified or limited, a first feature "on" or "under" a second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a people's air defense ventilation embedded pipeline, includes gas collection tank (1), its characterized in that:

the gas collection tank is characterized in that a gas pipe connector (2) is arranged at the top of the gas collection tank (1), a gas pipe (3) is fixedly connected to one side of the gas collection tank (1), a power cylinder (4) is fixedly connected to one side of the gas pipe (3) far away from the gas collection tank (1), a first cylinder barrel (5), a second cylinder barrel (6), a third cylinder barrel (7) and a fourth cylinder barrel (8) are fixedly connected to one side of the power cylinder (4) respectively, a piston sealing ring (9) is fixedly connected to one side of the fourth cylinder barrel (8), and a power piston rod (10) is movably connected to the inside of the first cylinder barrel (5), the second cylinder barrel (6), the third cylinder barrel (7) and the fourth cylinder barrel (8).

2. The civil air defense ventilation embedded pipeline as claimed in claim 1,

one side of the power piston rod (10) is fixedly connected with a fixing block (11), and one side of the fixing block (11) is fixedly connected with an expansion top plate (12).

3. The civil air defense ventilation embedded pipeline as claimed in claim 2,

a first clamping groove (13) is formed in one side of the expansion top plate (12), and a first spring (14) is fixedly connected to one side of the first clamping groove (13).

4. The civil air defense ventilation embedded pipeline as claimed in claim 3,

a second clamping groove (15) is formed in one side, far away from the first clamping groove (13), of the expansion top plate (12), and a second spring (16) is fixedly connected to one side of the second clamping groove (15).

5. The civil air defense ventilation embedded pipeline as claimed in claim 3,

expansion belts (17) are movably connected inside the first clamping groove (13) and the second clamping groove (15), and the first clamping groove (13) and the second clamping groove (15) are movably connected with the expansion belts (17) through a first spring (14) and a second spring (16).

6. The civil air defense ventilation embedded pipeline as claimed in claim 4,

one side swing joint of expansion roof (12) has steel pipe (18), first draw-in groove (13) and second draw-in groove (15) are located the both sides center department of expansion roof (12), and the size is the same, and expansion roof (12) are the arc structure.