High-sealing indoor assembly type ventilation pipeline

Abstract

The invention provides a high-sealing indoor assembly type ventilation pipeline which comprises a plurality of pipe joint units, a connecting mechanism used for connecting every two pipe joint units and a sealing mechanism arranged between every two adjacent pipe joint units, and connecting flanges are arranged at the two ends of each pipe joint unit. The connecting mechanism comprises a left connecting base and a right connecting base which are arranged on the inner sides of the connecting flanges on the two sides of the pipe joint units in a sleeving mode respectively, and a driving assembly used for driving the left connecting base and the right connecting base to move oppositely so as to connect the two pipe joint units. The sealing structure is arranged between the two pipe joint units, the sealing performance of the ventilation pipeline is improved, and the sealing structure is an adjustable structure so as to adapt to ventilation pipelines of different specifications.

Description

Technical Field

[0001] The invention relates to the technical field of ventilation ducts, and in particular to a highly sealed indoor assembled ventilation duct. Background Art

[0002] Ventilation ducts are metal or composite ducts used in ventilation and air conditioning projects for industrial and civil buildings. They are a kind of municipal infrastructure to allow air circulation and reduce the concentration of harmful gases. Ventilation ducts are mainly used in industrial and construction projects. The application areas mainly involve: dust-free workshop purification systems for the electronics industry, sterile workshop purification systems for medicine and food, central air-conditioning systems for hotels, shopping malls, hospitals, factories and office buildings, exhaust ducts for dust removal, smoke exhaust, oil absorption, etc. for industrial pollution control, air supply ducts for industrial environment or position comfort, gas extraction systems for coal mine gas extraction, and air supply and return systems for coal mine environment control, etc. However, the existing ventilation ducts have poor air tightness and are more troublesome to install.

[0003] In view of this, the inventor of this case conducted in-depth research on the above-mentioned issues, which led to the emergence of this case. Summary of the invention

[0004] The purpose of the present invention is to provide a highly sealed indoor assembled ventilation duct with good air tightness and easy installation in view of the above shortcomings.

[0005] The solution adopted by the present invention to solve the technical problem is: a highly sealed indoor assembled ventilation duct, including a plurality of pipe segment units, a connecting mechanism for connecting two pipe segment units and a sealing mechanism arranged between two adjacent pipe segment units, both ends of the pipe segment units are provided with connecting flanges, the connecting mechanism includes a left connecting seat and a right connecting seat respectively arranged on the inner sides of the connecting flanges on both sides of the pipe segment units, and a driving assembly for driving the left connecting seat and the right connecting seat to move toward each other and thereby connect the two pipe segment units.

[0006] Furthermore, in order to drive the left connecting seat and the right connecting seat to move toward each other and thus connect the two pipe section units; a guide rod is provided on the right connecting seat, and the left connecting seat is slidably installed on the guide rod. The driving mechanism includes a driving rod, a sliding rod and a guide plate. The driving rod is movably passed through the guide plate and then threadedly installed on the right connecting seat, and a first key block is movably provided between the driving rod and the guide plate to drive the guide plate to rotate by rotating the driving rod. The sliding rod is threadedly installed on the left connecting seat, and an arc guide groove is provided on the guide plate. The sliding rod movably passes through the arc guide groove so as to drive the guide plate to rotate by rotating the driving rod and then drive the sliding rod to move along the arc guide groove to move the left connecting seat toward the right connecting seat.

[0007] Furthermore, in order to guide the movement between the left connecting seat and the right connecting seat, there are four guide rods, which are respectively arranged at the four corners of the right connecting seat, and the four corners of the left connecting seat are respectively movably mounted on the four guide rods.

[0008] Furthermore, in order to fix the left connecting seat and the right connecting seat on the pipe segment unit, the left connecting seat and the right connecting seat are both provided with a clamping assembly for fixing the left connecting seat and the right connecting seat on the pipe segment unit, and the clamping assembly includes two clamping blocks and a driving group for driving the two clamping blocks to clamp the pipe segment unit, the two clamping blocks are respectively arranged on the upper side and the lower side of the pipe segment unit, and the two ends of the clamping blocks are respectively slidably installed on the left connecting seat or the right connecting seat.

[0009] Furthermore, in order to drive the two clamping blocks closer together, and then fix the left connecting seat and the right connecting seat on the pipe section unit; the driving group includes a driving screw, a driving plate and a sliding rod. The driving screw is threadedly installed on the left connecting seat or the right connecting seat after moving through the driving plate. A second key block is movably provided between the driving screw and the driving plate to drive the driving plate to rotate by rotating the driving screw. Two arc grooves are centrally symmetrically provided at both ends of the driving plate, and two sliding rods are correspondingly provided. The two sliding rods are respectively movable through the two arc grooves and then threadedly connected to the clamping blocks, so that the driving plate can be rotated by rotating the driving screw, and then the sliding rod is driven to move along the arc groove to drive the two clamping blocks closer or farther away.

[0010] Furthermore, in order to hoist the pipe segment unit on the building structure, the left connecting seat and the right connecting seat are both provided with fixings for installing the lifting wire, and the fixings are provided with a U-shaped groove, and the bottom of the U-shaped groove is inclined from the outside to the inside and extends upward to prevent the lifting wire from escaping the U-shaped groove.

[0011] Furthermore, in order to ensure the sealing of the connection between the two pipe segment units; the sealing mechanism includes a sealing ring and an adjusting buckle for adjusting the length of the sealing ring, the sealing ring includes a sealing gasket arranged between the two adjacent pipe segment units and an arc-shaped sealing lip arranged on the inner side of the sealing gasket for sealing contact with the inner wall of the pipe segment unit, the width of the arc-shaped sealing lip is greater than the width of the sealing gasket to guide the airflow through the gap between the two adjacent pipe segment units through the Coanda effect formed by the arc-shaped sealing lip, thereby improving the airtightness of the sealing mechanism.

[0012] Furthermore, in order to adjust the length of the sealing ring to adapt to different pipe segment units, the excess part is gathered; the adjusting buckle includes a U-shaped male buckle and a U-shaped female buckle, slots are provided on both sides of the U-shaped male buckle, two plug rods are symmetrically provided on the U-shaped female buckle, and hooks are provided on the outer sides of the two plug rods, and a plurality of slots are provided on the side wall of the slot along the insertion direction of the plug rod. When the plug rod is inserted into the slot, the hook is hooked into the slot to fix the adjusting buckle on the sealing ring.

[0013] Furthermore, in order to ensure that the adjustment buckle is tightly buckled on the sealing ring; a flexible magnetic strip is provided in the sealing gasket, and the U-shaped male buckle and the U-shaped female buckle are both made of metal iron so as to be attracted to the flexible magnetic strip in the folded sealing gasket to prevent the U-shaped male buckle and the U-shaped female buckle from falling out of the sealing ring.

[0014] Furthermore, in order to prevent the adjustment buckle from loosening, the inner walls of the U-shaped male buckle and the U-shaped female buckle are evenly provided with internal friction teeth, the lower sides of the U-shaped male buckle and the U-shaped female buckle are evenly provided with external friction teeth, and the surface of the arc-shaped sealing lip is evenly provided with friction lines for cooperating with the external friction teeth to tightly buckle the U-shaped male buckle and the U-shaped female buckle on the sealing ring.

[0015] Compared with the prior art, the present invention has the following advantages:

[0016] (1) The present invention improves the sealing performance of the ventilation duct by arranging a sealing structure between two pipe segment units, and the sealing structure adopts an adjustable structure to adapt to ventilation ducts of different specifications, wherein the sealing structure includes an arc-shaped sealing lip, which forms a Coanda effect through its arc-shaped profile, guides the airflow to flow through the gap between two adjacent pipe segment units, thereby improving the air tightness of the sealing mechanism, cooperates with the connecting mechanism to press and install the two pipe segment units, and then presses the sealing mechanism, effectively ensuring the air tightness of the ventilation duct;

[0017] (2) The present invention is very convenient to install. During installation, the left connecting seat and the right connecting seat are sleeved on both sides of the pipe segment unit, and then the driving screw is rotated. The driving screw will drive the clamping block to clamp and fix it on the pipe segment unit, thereby fixing the left connecting seat and the right connecting seat on the pipe segment unit. When connecting the two pipe segment units, the left mounting seat is passed through the guide rod, the driving rod is passed through the guide plate and then installed on the right mounting seat, the first key block is embedded in the driving rod, the sliding rod is passed through the arc groove and then installed on the left mounting seat, and then the driving rod is rotated. The driving rod drives the guide plate to rotate, and then drives the left mounting seat to be close to the right mounting seat, thereby completing the connection between the two pipe segment units. During hoisting, it is only necessary to fold the steel wire into a U shape and insert it into the U-shaped groove of the fixing part, and then fix the two sections of steel wire above the U-shaped groove to complete the hoisting of the ventilation duct. The operation is very simple. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present invention will be further described below with reference to the accompanying drawings in conjunction with embodiments:

[0019] Figure 1 It is a structural schematic diagram of the present invention;

[0020] Figure 2 is a schematic diagram of the structure of the clamping assembly;

[0021] Figure 3 It is a structural schematic diagram of the sealing mechanism;

[0022] Figure 4 It is a schematic diagram of the structure of the adjusting buckle.

[0023] In the figure: pipe segment unit 1; connecting flange 11; sealing mechanism 2; sealing gasket 21; arc-shaped sealing lip 22; friction pattern 221; U-shaped male buckle 23; inner friction teeth 231; outer friction teeth 232; U-shaped female buckle 24; left connecting seat 3; right connecting seat 4; slide groove 41; driving assembly 5; driving rod 51; sliding rod 52; guide plate 53; arc-shaped guide groove 531; guide rod 54; first key block 55; clamping assembly 6; clamping block 61; driving screw 62; driving plate 63; arc-shaped groove 631; sliding rod 64; second key block 65; fixing member 7; U-shaped groove 71. DETAILED DESCRIPTION

[0024] The present invention is described in detail below with reference to the accompanying drawings and specific embodiments:

[0025] Example: Figure 1-4 As shown, this embodiment provides a highly sealed indoor assembled ventilation duct, including a plurality of pipe segment units 1, a connecting mechanism for connecting two pipe segment units 1, and a sealing mechanism 2 arranged between two adjacent pipe segment units 1, both ends of the pipe segment unit 1 are provided with connecting flanges 11, and the connecting mechanism includes a left connecting seat 3 and a right connecting seat 4 respectively sleeved on the inner sides of the connecting flanges 11 on both sides of the pipe segment unit 1, and a driving component 5 for driving the left connecting seat 3 and the right connecting seat 4 to move toward each other and thereby connect the two pipe segment units 1.

[0026] In this embodiment, in order to drive the left connecting seat 3 and the right connecting seat 4 to move toward each other and thus connect the two pipe segment units 1; a guide rod 54 is provided on the right connecting seat 4, and the left connecting seat 3 is slidably installed on the guide rod 54. The driving mechanism includes a driving rod 51, a sliding rod 52 and a guide plate 53. The driving rod 51 is movably passed through the guide plate 53 and then threadedly installed on the right connecting seat 4. A first key block 55 is movably provided between the driving rod 51 and the guide plate 53 to drive the guide plate 53 to rotate by rotating the driving rod 51. The sliding rod 52 is threadedly installed on the left connecting seat 3, and an arc guide groove 531 is provided on the guide plate 53. The sliding rod 52 is movably passed through the arc guide groove 531 so as to drive the guide plate 53 to rotate by rotating the driving rod 51, thereby driving the sliding rod 52 to move along the arc guide groove 531 to move the left connecting seat 3 toward the right connecting seat 4.

[0027] In this embodiment, in order to guide the movement between the left connecting seat 3 and the right connecting seat 4, there are four guide rods 54, and the four guide rods 54 are respectively arranged at the four corners of the right connecting seat 4, and the four corners of the left connecting seat 3 are respectively movably mounted on the four guide rods 54.

[0028] In this embodiment, in order to fix the left connecting seat 3 and the right connecting seat 4 on the pipe segment unit 1, the left connecting seat 3 and the right connecting seat 4 are both provided with a clamping assembly 6 for fixing the left connecting seat 3 and the right connecting seat 4 on the pipe segment unit 1, and the clamping assembly 6 includes two clamping blocks 61 and a driving group for driving the two clamping blocks 61 to clamp the pipe segment unit 1, the two clamping blocks 61 are respectively arranged on the upper and lower sides of the pipe segment unit 1, and the two ends of the clamping blocks 61 are respectively slidably installed on the left connecting seat 3 or the right connecting seat 4, and the two side walls of the left connecting seat 3 and the right connecting seat 4 are both provided with a sliding groove 41 for slidingly installing the clamping blocks 61.

[0029] In this embodiment, in order to drive the two clamping blocks 61 closer, and then fix the left connecting seat 3 and the right connecting seat 4 on the pipe segment unit 1; the driving group includes a driving screw 62, a driving plate 63 and a sliding rod 64. The driving screw 62 is movable through the driving plate 63 and then threadedly installed on the left connecting seat 3 or the right connecting seat 4. A second key block 65 is movably provided between the driving screw 62 and the driving plate 63 to drive the driving plate 63 to rotate by rotating the driving screw 62. Two arc grooves 631 are centrally symmetrically provided at both ends of the driving plate 63, and two corresponding sliding rods 64 are provided. The two sliding rods 64 are respectively movable through the two arc grooves 631 and then threadedly connected to the clamping block 61, so that the driving plate 63 can be rotated by rotating the driving screw 62, thereby driving the sliding rod 64 to move along the arc groove 631 to drive the two clamping blocks 61 closer or farther away.

[0030] In this embodiment, in order to hoist the pipe segment unit 1 on the building structure, the left connecting seat 3 and the right connecting seat 4 are both provided with a fixing member 7 for installing a hoisting wire, and the fixing member 7 is provided with a U-shaped groove 71, and the bottom of the U-shaped groove 71 is inclined from the outside to the inside and extends upward to prevent the hoisting wire from escaping from the U-shaped groove 71.

[0031] In this embodiment, in order to ensure the sealing of the connection between the two pipe segment units 1, the sealing mechanism 2 includes a sealing ring and an adjusting buckle for adjusting the length of the sealing ring. The sealing ring includes a sealing gasket 21 arranged between the two adjacent pipe segment units 1 and an arc-shaped sealing lip 22 arranged on the inner side of the sealing gasket 21 for sealing contact with the inner wall of the pipe segment unit 1. The width of the arc-shaped sealing lip 22 is greater than the width of the sealing gasket 21 so as to guide the airflow to flow through the gap between the two adjacent pipe segment units 1 through the Coanda effect formed by the arc-shaped sealing lip 22, thereby improving the air tightness of the sealing mechanism 2.

[0032] In this embodiment, in order to adjust the length of the sealing ring to adapt to different pipe segment units 1, the excess part is gathered; the adjusting buckle includes a U-shaped male buckle 23 and a U-shaped female buckle 24, and slots are provided on both sides of the U-shaped male buckle 23. Two plug rods are symmetrically provided on the U-shaped female buckle 24, and hooks are provided on the outer sides of the two plug rods. Several slots are provided on the side wall of the slot along the insertion direction of the plug rod. When the plug rod is inserted into the slot, the hook is hooked into the slot to fix the adjusting buckle on the sealing ring.

[0033] In this embodiment, in order to ensure that the adjustment buckle is tightly buckled on the sealing ring; a flexible magnetic strip is provided in the sealing gasket 21, and the U-shaped male buckle 23 and the U-shaped female buckle 24 are both made of metal iron so as to be attracted to the flexible magnetic strip in the folded sealing gasket 21 to prevent the U-shaped male buckle 23 and the U-shaped female buckle 24 from falling out of the sealing ring.

[0034] In this embodiment, in order to prevent the adjustment buckle from loosening, the inner walls of the U-shaped male buckle 23 and the U-shaped female buckle 24 are evenly distributed with internal friction teeth 231, the lower side surfaces of the U-shaped male buckle 23 and the U-shaped female buckle 24 are evenly distributed with external friction teeth 232, and the surface of the arc-shaped sealing lip 22 is evenly distributed with friction lines 221 for cooperating with the external friction teeth 232 to tightly buckle the U-shaped male buckle 23 and the U-shaped female buckle 24 on the sealing ring.

[0035] The present invention improves the sealing of the ventilation duct by arranging a sealing structure between two pipe-segment units 1, and the sealing structure adopts an adjustable structure to adapt to ventilation ducts of different specifications, wherein the sealing structure includes an arc-shaped sealing lip 22, which forms a Coanda effect through its arc-shaped profile, guides the airflow to flow through the gap between two adjacent pipe-segment units 1, thereby improving the air tightness of the sealing mechanism 2, cooperates with the connecting mechanism to press and install the two pipe-segment units 1, and then presses the sealing mechanism 2, effectively ensuring the air tightness of the ventilation duct.

[0036] The present invention is very convenient to install. During installation, the left connecting seat 3 and the right connecting seat 4 are sleeved on both sides of the pipe segment unit 1, and then, the driving screw 62 is rotated, and the driving screw 62 will drive the clamping block 61 to clamp and fix on the pipe segment unit 1, so that the left connecting seat 3 and the right connecting seat 4 are fixed on the pipe segment unit 1. When connecting the two pipe segment units 1, the left mounting seat is passed through the guide rod 54, and the driving rod 51 is passed through the guide plate 53 and then installed on the right mounting seat, and the first key block 55 is embedded in the driving rod 51, and the sliding rod 64 is passed through the arc groove 631 and then installed on the left mounting seat, and then the driving rod 51 is rotated, and the driving rod 51 drives the guide plate 53 to rotate, and then drives the left mounting seat to be close to the right mounting seat, so as to complete the connection between the two pipe segment units 1. During hoisting, it is only necessary to fold the steel wire into a U shape and insert it into the U-shaped groove 71 of the fixing member 7, and then fix the two sections of steel wire above the U-shaped groove 71, so as to complete the hoisting of the ventilation duct, and the operation is very simple.

[0037] The above descriptions are merely embodiments of the present invention, and are not intended to limit the scope of patent protection of the invention. Any equivalent structure or equivalent process transformation made using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the scope of patent protection of the present invention.

Claims

1. A highly sealed indoor assembled ventilation duct, characterized in that: It includes a plurality of pipe segment units, a connecting mechanism for connecting two pipe segment units, and a sealing mechanism arranged between two adjacent pipe segment units. Both ends of the pipe segment units are provided with connecting flanges. The connecting mechanism includes a left connecting seat and a right connecting seat respectively sleeved on the inner sides of the connecting flanges on both sides of the pipe segment units, and a driving component for driving the left connecting seat and the right connecting seat to move toward each other and thereby connect the two pipe segment units.

2. The highly sealed indoor assembled ventilation duct according to claim 1, characterized in that: The right connecting seat is provided with a guide rod, and the left connecting seat is slidably mounted on the guide rod. The driving mechanism includes a driving rod, a sliding rod and a guide plate. The driving rod movably passes through the guide plate and is threadedly mounted on the right connecting seat, and a first key block is movably provided between the driving rod and the guide plate to drive the guide plate to rotate by rotating the driving rod. The sliding rod is threadedly mounted on the left connecting seat, and an arc guide groove is provided on the guide plate. The sliding rod movably passes through the arc guide groove so as to drive the guide plate to rotate by rotating the driving rod, thereby driving the sliding rod to move along the arc guide groove to move the left connecting seat toward the right connecting seat.

3. The highly sealed indoor assembled ventilation duct according to claim 2, characterized in that: There are four guide rods, which are respectively arranged at four corners of the right connecting seat, and the four corners of the left connecting seat are respectively movably sleeved on the four guide rods.

4. The highly sealed indoor assembled ventilation duct according to claim 1, characterized in that: The left connecting seat and the right connecting seat are both provided with a clamping assembly for fixing the left connecting seat and the right connecting seat on the pipe segment unit. The clamping assembly includes two clamping blocks and a driving group for driving the two clamping blocks to clamp the pipe segment unit. The two clamping blocks are respectively arranged on the upper side and the lower side of the pipe segment unit, and the two ends of the clamping blocks are respectively slidably installed on the left connecting seat or the right connecting seat.

5. The highly sealed indoor assembled ventilation duct according to claim 4, characterized in that: The driving group includes a driving screw, a driving plate and a sliding rod. The driving screw is movably passed through the driving plate and then threadedly installed on the left connecting seat or the right connecting seat. A second key block is movably provided between the driving screw and the driving plate to drive the driving plate to rotate by rotating the driving screw. Two arc grooves are centrally symmetrically provided at both ends of the driving plate, and two sliding rods are correspondingly provided. The two sliding rods are respectively movably passed through the two arc grooves and then threadedly connected to the clamping block, so that the driving plate can be rotated by rotating the driving screw, thereby driving the sliding rod to move along the arc groove to drive the two clamping blocks to move closer or farther away.

6. The highly sealed indoor assembled ventilation duct according to claim 1, characterized in that: The left connecting seat and the right connecting seat are both provided with fixings for installing the lifting wire, and the fixings are provided with U-shaped grooves, and the bottom of the U-shaped groove is inclined from the outside to the inside and extends upward to prevent the lifting wire from escaping from the U-shaped groove.

7. The highly sealed indoor assembled ventilation duct according to claim 1, characterized in that: The sealing mechanism includes a sealing ring and an adjusting buckle for adjusting the length of the sealing ring. The sealing ring includes a sealing gasket arranged between two adjacent pipe segment units and an arc-shaped sealing lip arranged on the inner side of the sealing gasket for sealing contact with the inner wall of the pipe segment unit. The width of the arc-shaped sealing lip is greater than the width of the sealing gasket so as to guide the airflow to flow through the gap between two adjacent pipe segment units through the Coanda effect formed by the arc-shaped sealing lip, thereby improving the air tightness of the sealing mechanism.

8. The highly sealed indoor assembled ventilation duct according to claim 7, characterized in that: The adjusting buckle comprises a U-shaped male buckle and a U-shaped female buckle, slots are provided on both sides of the U-shaped male buckle, two insertion rods are symmetrically provided on the U-shaped female buckle, hooks are provided on the outer sides of the two insertion rods, and a plurality of slots are provided on the side wall of the slot along the insertion direction of the insertion rod. When the insertion rod is inserted into the slot, the hooks are hooked into the slots to fix the adjusting buckle on the sealing ring.

9. The highly sealed indoor assembled ventilation duct according to claim 8, characterized in that: A flexible magnetic strip is arranged inside the sealing gasket, and the U-shaped male buckle and the U-shaped female buckle are both made of metal iron so as to be attracted to the flexible magnetic strip inside the folded sealing gasket to prevent the U-shaped male buckle and the U-shaped female buckle from falling out of the sealing ring.

10. The highly sealed indoor assembled ventilation duct according to claim 8, characterized in that: The inner walls of the U-shaped male buckle and the U-shaped female buckle are evenly distributed with internal friction teeth, the lower side surfaces of the U-shaped male buckle and the U-shaped female buckle are evenly distributed with external friction teeth, and the surface of the arc-shaped sealing lip is evenly distributed with friction lines for cooperating with the external friction teeth to tightly fasten the U-shaped male buckle and the U-shaped female buckle to the sealing ring.

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