CN219829044U - Pipeline fresh air device for biological laboratory - Google Patents
Pipeline fresh air device for biological laboratory Download PDFInfo
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- CN219829044U CN219829044U CN202223577680.2U CN202223577680U CN219829044U CN 219829044 U CN219829044 U CN 219829044U CN 202223577680 U CN202223577680 U CN 202223577680U CN 219829044 U CN219829044 U CN 219829044U
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- fresh air
- pipe body
- pipe
- pipeline
- biological laboratory
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- 238000001914 filtration Methods 0.000 claims description 28
- 238000007789 sealing Methods 0.000 claims description 28
- 230000008602 contraction Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 description 7
- 239000012535 impurity Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model discloses a pipeline fresh air device for a biological laboratory, which relates to the technical field of fresh air devices and comprises a fresh air conveying pipeline, wherein the fresh air conveying pipeline comprises a first pipe body, a second pipe body and a switching pipe; the novel fresh air filter device comprises a first tube body, a second tube body, a connecting strip, a filter screen bag, a fresh air filter structure and a fresh air filter structure, wherein one end of the connecting tube is sleeved on the first tube body, the other side of the connecting tube is detachably locked and connected with the outer side of the second tube body, the two sides between the first tube body and the second tube body are connected with the connecting strip, and the outer side of one end of the first tube body, which is close to the second tube body, is provided with the abutting block.
Description
Technical Field
The utility model relates to the technical field of fresh air devices, in particular to a pipeline fresh air device for a biological laboratory.
Background
The fresh air system is a set of independent air treatment system consisting of an air supply system and an exhaust system, and is divided into a pipeline type fresh air system and a pipeline-free fresh air system. The pipeline type fresh air system consists of a fresh air machine and pipeline accessories, wherein the fresh air machine is used for purifying outdoor air, leading the outdoor air into a room, and discharging the indoor air through a pipeline; the ductless fresh air system consists of a fresh air machine, and the fresh air machine purifies outdoor air and leads the outdoor air into a room.
At present, when the pipeline type fresh air system is used for conveying fresh air through a pipeline, most of fresh air conveying pipelines are of simple long pipe structures, so that the conveyed fresh air cannot be well filtered in the conveying process, impurities in the fresh air are easily conveyed to a fresh air blower, and loss occurs in the fresh air blower.
From the above, we designed a duct fresh air device for a biological laboratory to solve the above problems.
Disclosure of Invention
The utility model aims to solve the defects in the prior art, and provides a pipeline fresh air device for a biological laboratory.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the pipeline fresh air device for the biological laboratory comprises a fresh air conveying pipeline, wherein the fresh air conveying pipeline comprises a first pipe body, a second pipe body and a switching pipe;
one end of the switching tube is sleeved on the first tube body, the other side of the switching tube is detachably locked and connected with the outer side of the second tube body, connecting strips are connected to the two sides between the first tube body and the second tube body, a supporting block is arranged on the outer side of one end of the first tube body, which is close to the second tube body, and a sealing structure is arranged on one side, which is contacted with the supporting block, of the inner part of one end of the switching tube;
the novel air filter is characterized in that a thread structure is arranged outside the joint of the other end of the switching tube and the second tube body, a circular shrinkage block is arranged inside the switching tube on one side of the thread structure, limit strips are arranged inside one side of the two connecting strips, which is close to the second tube body, of the switching tube, a fresh air filter structure is detachably arranged in the shrinkage block between the limit strips and the second tube body, and the fresh air filter structure comprises a fixing ring and a filter mesh bag arranged inside the fixing ring;
and a concave circular groove is arranged in the transfer pipe between the contraction block and the sealing structure.
Preferably, the length of the circular groove is greater than the length of the thread structure, and the thread structure comprises an internal thread arranged inside one side of the adapter tube and an external thread arranged outside one end of the second tube body.
Preferably, the sealing structure comprises a sealing groove arranged on one side of the abutting block and a sealing ring arranged inside the adapter tube, the sealing ring is arranged in a clamping fit manner with the sealing groove, and a rubber sealing layer is arranged on the outer side of the sealing ring.
Preferably, the fixed ring is made of elastic plastic materials, bayonets matched with the two limiting strips are arranged on two sides of the fixed ring, and the outer side of the fixed ring is connected with a rubber sealing ring along the outer contour.
Preferably, the shrinkage block is of a circular ring structure, and the cross section length of the shrinkage block is larger than the distance between the limit strip and the second pipe body.
Preferably, the spacing between the limiting strip and the second pipe body is matched with the thickness of the fixing ring.
Preferably, a gap is arranged between the contraction block and the outer sides of the two limit strips, and the inside of the contraction block is of a smooth structure.
Compared with the prior art, the utility model has the beneficial effects that:
1. in the use, through rotating the transfer pipe, let the helicitic texture on the transfer pipe rotate and dismantle, let the transfer pipe rotate break away from on the second body, break away from the back through the transfer pipe and the interval between the second body, install new trend filtration, let new trend filtration pass through the interval and install in the shrink piece between two connecting strips, can carry out fine filtration to the new trend through new trend filtration's filter bag, avoid causing inside impurity transport to the new fan that exists of new trend, the security when having strengthened new fan use.
2. Through new trend filtration demountable installation in the transfer pipe, can be when the inside impurity of filter screen bag is more, be convenient for dismantle the clearance to new trend filtration and convenient, block up when avoiding appearing filtering, loss rate when having reduced new fan and used is effectual.
Drawings
FIG. 1 is a schematic structural diagram of a duct fresh air device for a biological laboratory;
FIG. 2 is a cross-sectional view of an adapter tube of a duct fresh air device for a biological laboratory according to the present utility model;
FIG. 3 is a vertical sectional view of an adapter tube of a duct fresh air device for a biological laboratory;
fig. 4 is a schematic structural diagram of a fresh air filtering structure of a pipeline fresh air device for a biological laboratory.
In the figure: the novel fresh air filter comprises a first pipe body 1, a second pipe body 2, a switching pipe 3, a connecting strip 4, a supporting block 5, a sealing structure 6, a sealing ring 601, a shrinkage block 7, a circular groove 8, a fresh air filtering structure 9, a fixing ring 901, a filtering net bag 902, a limiting strip 10, a bayonet 11, a rubber sealing ring 12 and a thread structure 13.
Detailed Description
In order to make the technical means, the creation features, the achievement of the purposes and the effects of the present utility model easy to understand, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments.
Example 1
Referring to fig. 1 to 4, a duct fresh air device for a biological laboratory comprises a fresh air conveying duct, wherein the fresh air conveying duct comprises a first duct body 1, a second duct body 2 and an adapter duct 3;
one end of the switching tube 3 is sleeved on the first tube body 1, the other side of the switching tube 3 is detachably locked and connected with the outer side of the second tube body 2, connecting strips 4 are connected to the two sides between the first tube body 1 and the second tube body 2, a supporting block 5 is arranged on the outer side of one end, close to the second tube body 2, of the first tube body 1, and a sealing structure 6 is arranged on one side, in contact with the supporting block 5, of the inner part of one end of the switching tube 3;
the inside screw thread structure 13 that is provided with in junction outside of the other end of transfer pipe 3 and second body 2, the inside circular shape shrink piece 7 that is provided with of transfer pipe 3 of screw thread structure 13 one side, the inside spacing 10 that all is provided with in one side that two connecting strips 4 are close to second body 2, dismantle in the shrink piece 7 between two spacing 10 and the second body 2 and install new trend filtration 9, new trend filtration 9 includes solid fixed ring 901 and installs the filter screen bag 902 in solid fixed ring 901 inside, set up concave circular recess 8 in the transfer pipe 3 between shrink piece 7 and the seal structure 6.
Wherein, circular recess 8's length is greater than the length of screw structure 13, and screw structure 13 is including setting up at the inside internal thread in transfer pipe 3 one side and setting up the external screw thread in the outside of second body 2 one end, and seal structure 6 is including setting up at the seal groove of supporting piece 5 one side and setting up at the inside sealing ring 601 of transfer pipe 3, and sealing ring 601 and seal groove looks joint adaptation set up, and the outside of sealing ring 601 is provided with the rubber seal layer.
In this embodiment, through being provided with transfer pipe 3 on fresh air conveying pipeline, can be in the use, through rotating transfer pipe 3, let the helicitic texture 13 on the transfer pipe 3 rotate and dismantle, let transfer pipe 3 rotate and break away from on the second body 2, then break away from the back through transfer pipe 3 and the interval between the second body 2, install fresh air filtration 9, let fresh air filtration 9 pass through the interval and install in the shrink piece 7 between two connecting strips 4, can carry out fine filtration through fresh air filtration's filtration pocket 902 of 9, avoid causing fresh air inside to exist impurity and carry in the fresh air machine, the security when fresh air machine is used has been strengthened, simultaneously, through rotating transfer pipe 3 after the installation, let transfer pipe 3 continue to pass through helicitic texture 13 lock the suit in the outside of second body 2, lock, and in the locking, seal ring 601 compresses tightly the inside of installing at the seal groove, strengthen the leakproofness of first body 1 and transfer pipe 3 junction.
Example two
In this embodiment, referring to fig. 2-4, the fixing ring 901 is made of elastic plastic material, bayonets 11 adapted to two limit strips 10 are provided on two sides of the fixing ring 901, a rubber sealing ring 12 is connected to the outer side of the fixing ring 901 along the outer contour, the shrinkage block 7 is in a circular ring structure, and the cross section length of the shrinkage block 7 is greater than the distance between the limit strips 10 and the second pipe body 2.
More specifically, the interval between the limit bar 10 and the second pipe body 2 is matched with the thickness of the fixing ring 901, a gap is arranged between the shrinkage block 7 and the outer sides of the two limit bars 10, and the inside of the shrinkage block 7 is of a smooth structure.
Through in the above, when installing new trend filtration 9, specific mounting means is, when adapter tube 3 rotatory breaks away from on the second body 2, exert pressure to the both sides of solid fixed ring 901, elastic solid fixed ring 901 is pressed back and is inwards contracted, then place new trend filtration 9 through the interval slope between adapter tube 3 break away from the back and the second body 2, after putting into, let new trend filtration 9 be vertical placing, and loosen the pressure of applying solid fixed ring 901 both sides, gu the both sides of solid fixed ring 901 rebound and resume, and install on two connecting strips 4 through bayonet socket 11 of both sides, simultaneously, limit strip 10 on two connecting strips 4 can play certain limiting displacement to solid fixed ring 901 both sides of new trend filtration 9, and the rubber seal 12 in the outside contacts the interior profile of shrink block 7, filter bag 902 then follows gu fixed ring 901 and installs the inside of two connecting strips 4 and second body 2, can carry out fine filtration to new trend, and can dismantle the installation in adapter tube 3 through new trend filtration 9, can be more convenient for dismantle filtration 9 when the filter bag inside, the new trend filtration rate is convenient for use, the fresh air filter efficiency is reduced when the filtration rate is convenient for use, and the fresh air filter efficiency is reduced.
In the description of the present utility model, it should 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", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be appreciated by persons skilled in the art that the present utility model is not limited to the embodiments described above, but is capable of numerous variations and modifications without departing from the spirit and scope of the utility model as hereinafter claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
1. The pipeline fresh air device for the biological laboratory comprises a fresh air conveying pipeline and is characterized by comprising a first pipe body (1), a second pipe body (2) and an adapter pipe (3);
one end of the switching pipe (3) is sleeved on the first pipe body (1), the other side of the switching pipe (3) is detachably locked and connected with the outer side of the second pipe body (2), connecting strips (4) are connected to the two sides between the first pipe body (1) and the second pipe body (2), a supporting block (5) is arranged on the outer side of one end, close to the second pipe body (2), of the first pipe body (1), and a sealing structure (6) is arranged on one side, in contact with the supporting block (5), of one end of the switching pipe (3);
the novel air filter is characterized in that a thread structure (13) is arranged outside the joint of the other end of the transfer pipe (3) and the second pipe body (2), round shrinkage blocks (7) are arranged inside the transfer pipe (3) on one side of the thread structure (13), limit strips (10) are arranged inside one side of the connecting strips (4) close to the second pipe body (2), fresh air filtering structures (9) are detachably arranged in the shrinkage blocks (7) between the limit strips (10) and the second pipe body (2), and the fresh air filtering structures (9) comprise fixing rings (901) and filter net bags (902) arranged inside the fixing rings (901);
a concave circular groove (8) is arranged in the transfer pipe (3) between the shrinkage block (7) and the sealing structure (6).
2. The fresh air device for the biological laboratory pipeline according to claim 1, wherein the length of the circular groove (8) is larger than that of the thread structure (13), and the thread structure (13) comprises an internal thread arranged inside one side of the adapter tube (3) and an external thread arranged outside one end of the second tube body (2).
3. The pipeline fresh air device for the biological laboratory according to claim 1, wherein the sealing structure (6) comprises a sealing groove arranged on one side of the abutting block (5) and a sealing ring (601) arranged inside the adapter tube (3), the sealing ring (601) is arranged in a clamping fit with the sealing groove, and a rubber sealing layer is arranged on the outer side of the sealing ring (601).
4. The fresh air device for the pipeline of the biological laboratory according to claim 1, wherein the fixing ring (901) is made of elastic plastic materials, bayonets (11) which are matched with the two limiting strips (10) are arranged on two sides of the fixing ring (901), and rubber sealing rings (12) are connected to the outer side of the fixing ring (901) along the outer contour.
5. The pipeline fresh air device for the biological laboratory according to claim 1, wherein the shrinkage block (7) is of a circular ring structure, and the cross section length of the shrinkage block (7) is larger than the interval between the limit strip (10) and the second pipe body (2).
6. The fresh air device for the biological laboratory pipeline according to claim 5, wherein the spacing between the limiting strip (10) and the second pipe body (2) is matched with the thickness of the fixing ring (901).
7. The pipeline fresh air device for the biological laboratory according to claim 1, wherein a gap is arranged between the contraction block (7) and the outer sides of the two limiting strips (10), and the inside of the contraction block (7) is of a smooth structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223577680.2U CN219829044U (en) | 2022-12-30 | 2022-12-30 | Pipeline fresh air device for biological laboratory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223577680.2U CN219829044U (en) | 2022-12-30 | 2022-12-30 | Pipeline fresh air device for biological laboratory |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219829044U true CN219829044U (en) | 2023-10-13 |
Family
ID=88280152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223577680.2U Active CN219829044U (en) | 2022-12-30 | 2022-12-30 | Pipeline fresh air device for biological laboratory |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219829044U (en) |
-
2022
- 2022-12-30 CN CN202223577680.2U patent/CN219829044U/en active Active
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