Plastic through-wall external air port

Abstract

A plastic through-wall external air port solves the problem that the personal safety of constructors is threatened due to the fact that the constructors need to construct outdoors, and comprises a ventilation pipe, a plurality of annular ribs are arranged on the surface of the ventilation pipe in the length direction of the ventilation pipe, the ventilation pipe is used for penetrating through a wall body, and a socket pipe is connected to the outer wall of one end of the ventilation pipe in a clamped mode. The socket pipe comprises a first cylinder, a second cylinder, a brim and a sealing part, the second cylinder fixedly sleeves the outer wall of one end of the first cylinder, the brim fixedly sleeves the outer wall of the other end of the first cylinder, and the sealing part rotatably sleeves the outer wall of the first cylinder and is located between the brim and the second cylinder. A spiral piece is clamped to the other end of the ventilation pipe, two second buckles are arranged on the spiral piece, each second buckle comprises two second clamping pieces and two second clamping blocks, external threads are arranged between the two second buckles, and fasteners are connected to the external threads in a threaded mode.

Description

Technical Field

[0001] The utility model relates to the technical field of ventilation equipment, in particular to a plastic wall-penetrating external air vent. Background Art

[0002] External air vents are used for natural ventilation indoors and outdoors. They need to be installed on the wall when in use. The external air vents currently commonly used in the domestic ventilation field have a structure that causes the gas flow through the vent to be perpendicular to the axial direction of the ventilation duct. There are two ways to install external air vents, indoor installation and outdoor installation. The outdoor installation method is commonly used in China.

[0003] However, the external air vents in the existing technology are difficult to install outdoors, have a high risk factor, and are troublesome to maintain later. Especially during high-rise installation, construction workers have to work outdoors, which threatens their personal safety. Therefore, in order to consider the safety factor of the installers, we urgently need an external air vent with a simple structure that can be safely installed indoors. Utility Model Content

[0004] The purpose of this utility model is to address the deficiencies of the existing technology and propose a plastic wall-penetrating external air vent to solve the technical problem that construction workers have to carry out construction outdoors, which threatens their personal safety and therefore takes the safety factor of the installation workers into consideration.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] A plastic through-wall external air vent, comprising a ventilation pipe, the surface of the ventilation pipe is provided with a plurality of annular ribs along its length direction, the ventilation pipe is used to pass through the wall, and a socket pipe is clamped on the outer wall of one end of the ventilation pipe, the socket pipe comprises a first cylindrical tube, a second cylindrical tube, a brim and a sealing member, the second cylindrical tube is fixedly sleeved on the outer wall of one end of the first cylindrical tube, the brim is fixedly sleeved on the outer wall of the other end of the first cylindrical tube, the sealing member is rotatably sleeved on the outer wall of the first cylindrical tube and is located between the brim and the second cylindrical tube, and further comprises a first buckle, the first buckle comprises three first cards and three first card blocks, the outer wall of the second cylindrical tube is evenly distributed with three first through holes along its circumference, the three first cards are respectively installed on the three first through holes in a one-to-one correspondence and Integrally formed, the three first clamping blocks are respectively arranged on the three first cards, and the three first clamping blocks are all used to clamp between the ribs, the other end of the ventilation pipe is clamped with a spiral piece, and the spiral piece is provided with two second buckles, the second buckles include two second cards and two second clamping blocks, the spiral piece is provided with two second through holes, the two second cards are integrally formed and provided with two second through holes, the two clamping blocks are respectively fixedly arranged on the two second cards, and the two second clamping blocks are both clamped between the ribs, an external thread is provided between the two second buckles, and a fastener is threadedly connected to the external thread, the fastener includes a flange and a threaded pipe, the flange is sleeved on the threaded pipe and the inner wall of the threaded pipe is provided with an internal thread, and the inner wall of the threaded pipe is threadedly connected to the external thread of the fastener.

[0007] Working principle:

[0008] When it is necessary to install an external air vent without the need for the operator to go outdoors for installation, the operator first sets the seal on the first cylindrical tube, then sets the second cylindrical tube on the ventilation pipe, then the operator clamps the first buckle on the second cylindrical tube between the ribs, and finally sets the brim fixedly on the first cylindrical tube, and then the operator inserts one end of the brim into the wall as the head end until the brim extends out of the wall, and then the clamping piece on the seal is always in the position when passing through the through hole in the wall. The compression state is maintained until the clip passes through the hole in the wall and is released into a circle. At this time, the operator pulls the ventilation pipe back, and the first rib on the collar abuts against the inner diameter of the wall hole, so that the socket pipe and the through pipe are firmly fixed in the wall hole. The operator then puts the threaded part on the outer wall of the ventilation pipe, and then clamps the second buckle on the spiral part between the ribs. The operator then screws the fastener onto the external thread of the spiral part until the external thread and the internal thread are screwed together, and until the flange abuts against the indoor wall.

[0009] The beneficial effects of the utility model are:

[0010] When it is necessary to install an external air vent without the need for operators to go outdoors for installation, the operator first sets the sealing member on the socket pipe, then sets the socket pipe on the ventilation pipe, then clips the first buckle on the socket pipe between the ribs, and then fixes the brim on the first cylindrical tube. The operator then inserts one end of the brim into the wall until the brim extends out of the wall. Then, the snap-fit piece on the sealing member is in a compressed state when passing through the through hole in the wall until the snap-fit piece passes through the hole in the wall and is released into a round shape. The operator then pulls the ventilation pipe backward, and the first rib on the collar abuts against the inner diameter of the wall hole, so that the socket pipe and the through pipe are firmly fixed in the wall hole. The operator then puts the threaded part on the outer wall of the ventilation pipe, and then clamps the second buckle on the spiral part between the ribs. The operator then screws the fastener onto the external thread of the spiral part until the external thread and the internal thread are screwed together, and until the flange abuts against the indoor wall. This method can avoid the installer from going outdoors to install when installing the external air outlet, reducing certain risks. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a schematic structural diagram of an embodiment of the present utility model;

[0012] Figure 2 It is a schematic diagram of the cross-sectional structure of an embodiment of the present utility model.

[0013] Explanation of the accompanying drawings: ventilation pipe 1, socket pipe 2, rib 3, first cylindrical tube 4, second cylindrical tube 5, brim 6, seal 7, first clip 8, screw 9, second clip 10, external thread 11, fastener 12, flange 13, threaded pipe 14, internal thread 15, insect net 16, first rib 17, second rib 18, first card 19, first block 20, second card 21, second block 22, first through hole 23, second through hole 24, ring 25, and snap-in piece 26. DETAILED DESCRIPTION

[0014] The technical solution of the present invention is further described below with reference to the accompanying drawings and embodiments.

[0015] like Figure 1 and Figure 2As shown, a plastic through-wall external air vent includes a ventilation pipe 1, the surface of the ventilation pipe 1 is provided with a plurality of annular ribs 3 along its length direction, the ventilation pipe 1 is used to pass through the wall, and the ventilation pipe 1 is located in the wall. The outer wall of one end of the wall is clamped with a socket pipe 2, and the socket pipe 2 includes a first cylindrical tube 4, a second cylindrical tube 5, a brim 6 and a sealing member 7. The second cylindrical tube 5 is fixedly sleeved on the outer wall of one end of the first cylindrical tube 4, and the brim 6 is fixedly sleeved on the outer wall of the other end of the first cylindrical tube 4. The sealing member 7 is rotated and sleeved. The seal 7 is arranged on the outer wall of the first cylindrical tube 4 and between the brim 6 and the second cylindrical tube 5. The seal 7 includes a collar 25, a first rib 17 and a clamping piece 26. The collar 25 is rotatably sleeved on the first cylindrical tube 4, and the clamping piece 26 is fixedly sleeved on the collar 25. The first rib 17 is fixedly installed on the circumferential outer wall of the collar 25 and is located on one side of the clamping piece 26. It also includes a first buckle 8, which includes three first cards 19 and three first blocks 20. The outer wall of the second cylindrical tube 5 is evenly distributed along its circumference. There are three first through holes 23, three first cards 19 are respectively arranged on the three first through holes 23 and are integrally formed, three first card blocks 20 are respectively arranged on the three first cards 19, and the three first card blocks 20 are used to be clamped between the ribs 3, the other end of the ventilation pipe 1 is clamped with a spiral member 9, the spiral member 9 is provided with two second buckles 10, the second buckle 10 includes two second cards 21 and two second blocks 22, the spiral member 9 is provided with two second through holes 24, the two second cards 21 is integrally formed with two second through holes 24, and the two clamping blocks are respectively fixedly mounted on the two second cards 21, and the two second clamping blocks 22 are both clamped between the ribs 3, and an external thread 11 is provided between the two second buckles 10, and a fastener 12 is threadedly connected to the external thread 11, and the fastener 12 includes a flange 13 and a threaded tube 14, the flange 13 is sleeved on the threaded tube 14 and the inner wall of the threaded tube 14 is provided with an internal thread 15, and the inner wall of the threaded tube 14 is threadedly connected to the external thread 11 of the fastener 12.

[0016] When it is necessary to install an external air vent without the need for the operator to go outdoors for installation, the operator first sets the sealing member 7 on the first cylindrical tube 4, then sets the second cylindrical tube 5 on the ventilation pipe 1, and then the operator clamps the first buckle 8 on the second cylindrical tube 5 between the ribs 3, and finally fixes the brim 6 on the first cylindrical tube 4. Then the operator inserts one end of the brim 6 into the wall, until the brim 6 extends out of the wall, and then the clamping piece 26 on the sealing member 7 is in a compressed state when it passes through the through hole in the wall. After the clip 26 passes through the hole in the wall and is released into a circle, the operator then pulls the ventilation pipe 1 backward, and the first rib 17 on the collar 25 abuts against the inner diameter of the wall hole, so that the socket pipe 2 and the ventilation pipe 1 are firmly fixed in the wall hole. The operator then puts the screw 9 on the outer wall of the ventilation pipe 1, and then clamps the second buckle 10 on the screw 9 between the ribs 3. The operator then screws the fastener 12 onto the external thread 11 of the screw 9 until the external thread 11 and the internal thread 15 are screwed together, and until the flange 13 abuts against the indoor wall.

[0017] like Figure 1 and Figure 2 As shown, the brim 6 is in the shape of a bird's beak and includes an insect-proof net 16, which is fixed on the inner wall of the brim 6. The snap-on piece 26 is made of elastic PVC material, and the outer wall of the threaded tube 14 is provided with several second ribs 18 distributed along its axial direction.

[0018] The bird-beak-shaped brim can prevent rainwater from entering from the external air vent in rainy weather. The insect-proof net can prevent many insects from crawling in from the external air vent, reducing the impact on indoor personnel. The clip is made of elastic material. Although the diameter of the clip is larger than the diameter of the wall hole, it can be compressed and passed into the wall hole because of its elasticity. Then, the second rib can increase the friction of the fastener on the wall to avoid slipping during installation.

[0019] Working principle:

[0020] When it is necessary to install an external air vent without the need for the operator to go outdoors for installation, the operator first sets the sealing member 7 on the first cylindrical tube 4, and then sets the second cylindrical tube 5 on the ventilation pipe 1. The operator then clamps the first buckle 8 on the second cylindrical tube 5 between the ribs 3, and finally fixes the brim 6 on the first cylindrical tube 4. The operator then inserts one end of the brim 6 into the wall, until the brim 6 extends out of the wall. Then, the snap-on piece 26 on the sealing member 7 is in a compressed state when passing through the through hole in the wall, and is released into a circular shape after passing through the hole in the wall. shape, at this time the operator pulls the ventilation pipe 1 back, and the first rib 17 on the ring 25 abuts against the inner diameter of the wall hole, so that the socket pipe 2 and the ventilation pipe 1 are firmly fixed in the wall hole. Then the operator puts the screw 9 on the outer wall of the ventilation pipe 1, and then clamps the second buckle 10 on the screw 9 between the ribs 3. Then the operator screws the fastener 12 on the external thread 11 of the screw 9 until the external thread 11 and the internal thread 15 are screwed together, and until the flange 13 abuts against the indoor wall. This method can solve the problem of construction workers having to work outdoors, which threatens the personal safety of construction workers.

[0021] The bird-beak-shaped brim can prevent rainwater from entering from the external air vent in rainy weather. The insect-proof net can prevent many insects from crawling in from the external air vent, reducing the impact on indoor personnel. The clip is made of elastic material. Although the diameter of the clip is larger than the diameter of the wall hole, it can be compressed and passed into the wall hole because of its elasticity. Then, the second rib can increase the friction of the fastener on the wall to avoid slipping during installation.

[0022] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model and are not limiting. Although the utility model is described in detail with reference to the preferred embodiments, ordinary technicians in this field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A plastic through-wall external air vent, comprising a ventilation pipe (1), characterized in that: The surface of the ventilation pipe (1) is provided with a plurality of annular ribs (3) along its length direction. The ventilation pipe (1) is used to pass through a wall, and a socket pipe (2) is clamped on the outer wall of one end of the ventilation pipe (1). The socket pipe (2) comprises a first cylindrical tube (4), a second cylindrical tube (5), a brim (6) and a sealing member (7). The second cylindrical tube (5) is fixedly sleeved on the outer wall of one end of the first cylindrical tube (4), the brim (6) is fixedly sleeved on the outer wall of the other end of the first cylindrical tube (4), and the sealing member (7) is fixedly sleeved on the outer wall of the other end of the first cylindrical tube (4). 7) is rotatably sleeved on the outer wall of the first cylindrical tube (4) and is located between the brim (6) and the second cylindrical tube (5), and further comprises a first buckle (8), wherein the first buckle (8) comprises three first cards (19) and three first blocks (20), and the outer wall of the second cylindrical tube (5) is uniformly distributed with three first through holes (23) along its circumference, the three first cards (19) are respectively and one-to-one mounted on the three first through holes (23) and are integrally formed, and the three first blocks (20) are respectively and one-to-one mounted on the three first cards. The three first clamping blocks (20) are all used to be clamped between the ribs (3); the other end of the ventilation pipe (1) is clamped with a spiral member (9); the spiral member (9) is provided with two second clamping buckles (10); the second clamping buckles (10) include two second cards (21) and two second clamping blocks (22); the spiral member (9) is provided with two second through holes (24); the two second cards (21) are integrally formed and provided on the two second through holes (24); the two clamping blocks are respectively fixedly installed on the two second cards. The plate (21) is provided with two second clamping blocks (22) and the two second clamping blocks (22) are clamped between the ribs (3). An external thread (11) is provided between the two second clamping buckles (10), and a fastener (12) is threadedly connected to the external thread (11). The fastener (12) includes a flange (13) and a threaded tube (14). The flange (13) is sleeved on the threaded tube (14) and the inner wall of the threaded tube (14) is provided with an internal thread (15), and the inner wall of the threaded tube (14) is threadedly connected to the external thread (11) of the fastener (12).

2. The plastic wall-penetrating external air vent according to claim 1, characterized in that: The brim (6) is in the shape of a bird's beak.

3. The plastic wall-penetrating external air vent according to claim 1, characterized in that: It also includes an insect-proof net (16), which is fixed on the inner wall of the brim (6).

4. The plastic wall-penetrating external air vent according to claim 1, characterized in that: The sealing member (7) comprises a collar (25), a first rib (17) and a clamping piece (26); the collar (25) is rotatably sleeved on the first cylindrical tube (4); the clamping piece (26) is fixedly sleeved on the collar (25); and the first rib (17) is fixedly mounted on the circumferential outer wall of the collar (25) and located on one side of the clamping piece (26).

5. The plastic wall-penetrating external air vent according to claim 4, characterized in that: The clamping piece (26) is made of elastic PVC material.

6. The plastic wall-penetrating external air vent according to claim 1, characterized in that: A plurality of second ribs (18) distributed along the axial direction are provided on the circumferential outer wall of the threaded tube (14).

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