Efficient filtering ventilation pipe

Abstract

The utility model discloses an efficient filtering vent pipe, and relates to the technical field of vent pipes, the efficient filtering vent pipe comprises a pipe body and a filtering assembly, a clamping cover is installed outside the end portion of the pipe body in a clamping mode, the filtering assembly used for efficient filtering is arranged inside the pipe body, and the filtering assembly comprises an inner filter screen, a filtering cotton adding piece, an adjusting rod, a spring, a limiting rod and a sleeve. A filter cotton sheet is arranged outside the inner filter screen, an adjusting rod is connected to the inner wall of the inner filter screen, a spring is arranged in the adjusting rod, and a limiting rod is connected to the end of the spring. According to the efficient filtering ventilation pipe, filtering treatment is conducted in the pipe body through the two sets of inner filter screens and the added filter cotton pieces, the circular truncated cone shape enables the filter faces of the inner filter screens to be increased so that the efficient filtering effect can be achieved, the added filter cotton pieces improve the filtering effect, and when a connecting rod moves, an adjusting rod compresses a spring to move downwards outside a limiting rod; and the inner filter screen and the added filter cotton piece are partially shrunk towards the central point, so that the inner filter screen and the added filter cotton piece are convenient to mount and dismount.

Description

TECHNICAL FIELD

[0001] The utility model relates to a ventilation pipe technical field, concretely is a kind of high-efficiency filtration ventilation pipe. BACKGROUND

[0002] Ventilation duct is the metal or non-metal duct for ventilation and air conditioning engineering of industrial and civil buildings, is a kind of municipal infrastructure for making air circulation, reducing harmful gas concentration, ventilation pipe in industrial and civil buildings, can make air circulation, reduce harmful gas concentration;In medical field, as the medical instrument of mechanical ventilation, help patient to carry out artificial ventilation, improve respiratory function, maintain life, reduce respiratory load etc.

[0003] But the filter screen used in the ventilation pipe of the prior art is consistent with the pipe diameter, so that the filtering effect is limited and the pipe is easily blocked, resulting in poor pipe use effect.

[0004] Therefore, in view of the above, the existing structure and defects are improved, and a high-efficiency filtration ventilation pipe is provided. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a high-efficiency filtration ventilation pipe to solve the problems raised in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a high-efficiency filtration ventilation pipe, comprising a pipe body and a filter assembly, a clamping cover is installed on the outside of the end portion of the pipe body, the filter assembly for efficient filtration is arranged in the inside of the pipe body, and the filter assembly comprises an inner filter screen, a filter cotton sheet, an adjusting rod, a spring, a limiting rod and a sleeve, the outer portion of the inner filter screen is provided with the filter cotton sheet, and the inner wall of the inner filter screen is connected with the adjusting rod, the inside of the adjusting rod is provided with the spring, and the end portion of the spring is connected with the limiting rod, and the lower end of the limiting rod is connected with the sleeve.

[0007] Further, the shape of the inner filter screen is hollow circular truncated cone, and the inner filter screen and the filter cotton sheet are closely attached.

[0008] Further, the adjusting rod and the limiting rod are connected in a sleeve, and the adjusting rod and the limiting rod are arranged in four groups about the center point of the sleeve.

[0009] Further, the inside of the sleeve is provided with an auxiliary assembly for easy installation, and the auxiliary assembly comprises a movable hole and a connecting rod, and the inside of the movable hole is provided with the connecting rod.

[0010] Further, the auxiliary assembly further comprises a movable rod and an end block, the end portion of the connecting rod is connected with the movable rod, and the front end of the movable rod is connected with the end block.

[0011] Further, the sleeve and the movable hole are integrated structures, and the sleeve and the movable rod are connected in a sleeving mode.

[0012] Further, the surface of the sleeve is connected with the fixing rod, and the end of the fixing rod is connected with the mounting ring.

[0013] Further, the inner side of the clamping cover is connected with the outer filter screen, and the center of the outer filter screen is provided with the center ring.

[0014] The utility model provides a kind of high-efficiency filter ventilation pipe, with the following beneficial effects:

[0015] 1, the utility model discloses two groups of inner filter screen and filter cotton piece are filtered in the inside of pipe body, and its circular table shape makes the inner filter screen filter surface increase to reach the effect of high-efficiency filtration, filter cotton piece increases filtering effect, when connecting rod moves, adjusting rod is under the compression spring outside limit rod, so that the inner filter screen and filter cotton piece contract towards center point, so as to facilitate the installation and disassembly of inner filter screen and filter cotton piece, and maintenance is simple and convenient.

[0016] 2, the utility model discloses movable hole provides moving space for connecting rod, and movable rod moves in sleeve and drives multiple connecting rods to move adjusting rod, so as to facilitate the simultaneous control of two groups of inner filter screen, and fixing rod installs mounting ring on the outside of sleeve, and mounting ring and pipe body are screw mounted to provide support force for sleeve, and outer filter screen plays the role of preliminary filtration to pipe body in clamping cover, and center ring is sleeved on the outside of end block to play the role of auxiliary lifting and limiting. DRAWINGS

[0017] Figure 1 It is the overall structure schematic view of the utility model high-efficiency filter ventilation pipe;

[0018] Figure 2 It is the auxiliary assembly structure schematic view of the utility model high-efficiency filter ventilation pipe;

[0019] Figure 3 It is the filter assembly sectional structure schematic view of the utility model high-efficiency filter ventilation pipe.

[0020] In the drawing: 1, pipe body;2, clamping cover;3, filter assembly;301, inner filter screen;302, filter cotton piece;303, adjusting rod;304, spring;305, limit rod;306, sleeve;4, auxiliary assembly;401, movable hole;402, connecting rod;403, movable rod;404, end block;5, fixing rod;6, mounting ring;7, outer filter screen;8, center ring. DETAILED DESCRIPTION

[0021] The embodiments of the present application will be further described in conjunction with the drawings and examples. The following examples are used to illustrate the present application, but cannot be used to limit the scope of the present application.

[0022] As shown in Figure 1 The present application discloses a high-efficiency filtering ventilation pipe, which comprises a pipe body 1 and a filtering assembly 3, a clamping cover 2 is externally clamped and installed at the end of the pipe body 1, a fixed rod 5 is connected to the surface of a sleeve 306, the fixed rod 5 installs a mounting ring 6 outside the sleeve 306, the end of the fixed rod 5 is connected with the mounting ring 6, the mounting ring 6 and the pipe body 1 are screw-installed to provide support force for the sleeve 306, an outer filter screen 7 is connected to the inner side of the clamping cover 2, the outer filter screen 7 plays a role of preliminary filtering for the pipe body 1 inside the clamping cover 2, and a center ring 8 is arranged at the center of the outer filter screen 7, the center ring 8 is sleeved outside an end block 404 to play a role of auxiliary lifting and limiting.

[0023] As shown in Figure 2 The inside of the sleeve 306 is provided with an auxiliary assembly 4 for convenient installation, the auxiliary assembly 4 comprises a movable hole 401 and a connecting rod 402, the inside of the movable hole 401 is provided with the connecting rod 402, the movable hole 401 provides a moving space for the connecting rod 402, the auxiliary assembly 4 further comprises a movable rod 403 and an end block 404, the end of the connecting rod 402 is connected with the movable rod 403, the movable rod 403 moves in the sleeve 306 to drive a plurality of connecting rods 402 to move the adjusting rod 303, which is convenient for simultaneous control of the two groups of inner filter screens 301, and the front end of the movable rod 403 is connected with the end block 404, the sleeve 306 and the movable hole 401 are integrated structures, and the sleeve 306 and the movable rod 403 are connected in a sleeved manner.

[0024] As shown in Figure 3As shown, the filter assembly 3 for high efficiency filtration is arranged inside the pipe body 1, and the filter assembly 3 comprises inner filter screens 301, filter cotton sheets 302, adjusting rods 303, springs 304, limiting rods 305 and sleeve pipes 306, the outer part of the inner filter screens 301 is provided with the filter cotton sheets 302, the two groups of inner filter screens 301 and filter cotton sheets 302 perform filtering treatment inside the pipe body 1, the circular truncated cone shape increases the filtering surface of the inner filter screens 301, thereby achieving the effect of high efficiency filtration, the shape of the inner filter screens 301 is hollow circular truncated cone, and the inner filter screens 301 and the filter cotton sheets 302 are closely attached, the filter cotton sheets 302 increase the filtering effect, and the inner wall of the inner filter screens 301 is connected with the adjusting rods 303, the adjusting rods 303 are lowered outside the limiting rods 305 under the compression of the springs 304 when the connecting rods 402 move, so that the inner filter screens 301 and the filter cotton sheets 302 are contracted towards the center point, thereby facilitating the installation and disassembly of the inner filter screens 301 and the filter cotton sheets 302, and the maintenance is simple, the inside of the adjusting rods 303 is provided with the springs 304, and the end part of the springs 304 is connected with the limiting rods 305, the lower end of the limiting rods 305 is connected with the sleeve pipes 306, the adjusting rods 303 and the limiting rods 305 are connected in a sleeved manner, and the adjusting rods 303 and the limiting rods 305 are arranged in four groups about the center point of the sleeve pipes 306 in a ring shape.

[0025] In summary, the high efficiency ventilation pipe has the following advantages: Figures 1-3 As shown in the structure, after the pipe body 1 is installed, the two groups of inner filter screens 301 and filter cotton sheets 302 are installed inside the pipe body 1, when installing, the movable rods 403 are pulled to make the connecting rods 402 pull the adjusting rods 303 to lower the springs 304 outside the limiting rods 305, at this time, the inner filter screens 301 and the filter cotton sheets 302 are contracted towards the center point, thereby facilitating the installation of the inner filter screens 301 and the filter cotton sheets 302 inside the pipe body 1, after the inner filter screens 301 and the filter cotton sheets 302 enter the inside of the pipe body 1, the movable rods 403 are loosened, the spring-back force of the springs 304 makes the adjusting rods 303 reset, the inner filter screens 301 and the filter cotton sheets 302 spring back to the original state and are installed inside the pipe body 1, at this time, the filtering surface of the circular truncated cone-shaped inner filter screens 301 and filter cotton sheets 302 is large, thereby achieving the effect of high efficiency filtration, the filter cotton sheets 302 increase the filtering effect, then the installation ring 6 and the pipe body 1 are screwed to provide support force for the sleeve pipes 306, when rotating, the inner filter screens 301 and the filter cotton sheets 302 are adjusted with the inner wall of the pipe body 1 to make the attachment effect better, and then the clamping cover 2 and the outer filter screens 7 are installed at the end part of the pipe body 1 to play a preliminary filtering role.

[0026] The embodiments of the present application are given for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present application to the forms disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. Embodiments were chosen and described in order to best explain the principles of the present application and its practical application, and to thereby enable others skilled in the art to best utilize the present application with various modifications as are suited to the particular use contemplated.

Claims

1. A high efficiency filter vent tube comprising a tube body (1) and a filter assembly (3), characterised in that, The outer part of the pipe body (1) end is clamped with a clamping cover (2), the filter assembly (3) for high-efficiency filtration is arranged in the inner part of the pipe body (1), and the filter assembly (3) comprises an inner filter screen (301), a filter cotton piece (302), an adjusting rod (303), a spring (304), a limiting rod (305) and a sleeve (306), the outer part of the inner filter screen (301) is provided with the filter cotton piece (302), and the inner wall of the inner filter screen (301) is connected with the adjusting rod (303), the inner part of the adjusting rod (303) is provided with the spring (304), and the end of the spring (304) is connected with the limiting rod (305), and the lower end of the limiting rod (305) is connected with the sleeve (306).

2. A high efficiency filter vent tube as defined in claim 1, wherein, The inner filter screen (301) is in the shape of a hollow circular truncated cone, and the inner filter screen (301) and the filter cotton piece (302) are tightly attached.

3. A high efficiency filter vent tube as defined in claim 1, wherein, The adjusting rod (303) and the limiting rod (305) are connected in a sleeved mode, and the adjusting rod (303) and the limiting rod (305) are arranged in four groups in annular distribution about the center point of the sleeve (306).

4. The high efficiency filter vent of claim 1, wherein, The inner part of the sleeve (306) is provided with an auxiliary assembly (4) facilitating installation, and the auxiliary assembly (4) comprises a movable hole (401) and a connecting rod (402), and the inner part of the movable hole (401) is provided with the connecting rod (402).

5. A high efficiency filter vent tube according to claim 4, wherein, The auxiliary assembly (4) further comprises a movable rod (403) and an end block (404), the end of the connecting rod (402) is connected with the movable rod (403), and the front end of the movable rod (403) is connected with the end block (404).

6. A high efficiency filter vent tube according to claim 5, wherein, The sleeve (306) and the movable hole (401) are in an integrated structure, and the sleeve (306) and the movable rod (403) are connected in a sleeved mode.

7. A high efficiency filter vent tube as defined in claim 1, wherein, The surface of the sleeve (306) is connected with a fixing rod (5), and the end of the fixing rod (5) is connected with a mounting ring (6).

8. A high efficiency filter vent tube as defined in claim 1, wherein, The inner side of the clamping cover (2) is connected with an outer filter screen (7), and the center of the outer filter screen (7) is provided with a center ring (8).

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