CN210751786U - Gas filtering device - Google Patents
Gas filtering device Download PDFInfo
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- CN210751786U CN210751786U CN201921566972.1U CN201921566972U CN210751786U CN 210751786 U CN210751786 U CN 210751786U CN 201921566972 U CN201921566972 U CN 201921566972U CN 210751786 U CN210751786 U CN 210751786U
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- gas outlet
- filter
- stopper
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- gas
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Abstract
The utility model discloses a gas filtering device, include: the filter core, the air inlet filters the stopper, the gas outlet connects and the shell, the gas outlet filters the stopper and is equipped with waterproof ventilated membrane with the junction that the gas outlet connects, the air inlet filters the stopper and is equipped with first seal groove with the junction of shell, be equipped with first sealing washer in the first seal groove, the gas outlet filters the stopper and is equipped with the second seal groove with the junction of shell, be equipped with the second sealing washer in the second seal groove, the gas outlet filters the stopper and is equipped with the third seal groove with the junction of gas outlet interface, be equipped with the third sealing washer in the. The utility model discloses compare with traditional filter, have following beneficial effect: the filter element is simple in structure and low in cost, and is convenient to disassemble and assemble through threaded connection, so that the filter element and the waterproof breathable film are convenient to replace; sealing rings are arranged at the joint of the shell and the air inlet filter plug, the joint of the shell and the air outlet filter plug and the joint of the air outlet filter plug and the air outlet joint, and the sealing ring has good sealing performance.
Description
Technical Field
The utility model relates to a gaseous detection area especially relates to a gas filtering device.
Background
Before using detecting instrument to detect gas, generally need to filter the gas that awaits measuring, filter large granule composition, moisture etc. in the gas, detect gas again after filtering and can prolong detecting instrument's life-span effectively. The filter is used for filtering various solid and liquid particles in the air to purify the air. Filter core and waterproof ventilated membrane in the filter need regularly change, and traditional filter structure is more complicated, inconvenient dismouting, and the leakproofness is not enough. Accordingly, the prior art is deficient and needs improvement.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough of prior art, providing a gas filtering device, having good leakproofness and making things convenient for the dismouting.
The technical scheme of the utility model as follows: there is provided a gas filtering device comprising: the filter core, with the air inlet that filter core one end is connected filters the stopper, with the gas outlet that the filter core other end is connected filters the stopper, with the gas outlet that the gas outlet filters the stopper and connects and one end with the air inlet filter the stopper connect the other end with the gas outlet filters the stopper and will the shell that the filter core covers closes, the gas outlet filter the stopper with the junction that the gas outlet connects is equipped with waterproof ventilated membrane, the air inlet filter the stopper with the junction of shell is equipped with first seal groove, be equipped with first sealing washer in the first seal groove, the gas outlet filter the stopper with the junction of shell is equipped with the second seal groove, be equipped with the second sealing washer in the second seal groove, the gas outlet filter the stopper with the junction of gas outlet interface is equipped with the third seal groove, be equipped with the third sealing washer in the third seal.
Further, the air inlet filter plug is a cylinder, an air inlet is formed in the center of the air inlet filter plug, an air inlet joint communicated with the air inlet is formed in the outer end face of the air inlet filter plug, a first-stage air inlet step, a second-stage air inlet step, a third-stage air inlet step and a fourth-stage air inlet step are sequentially arranged on the air inlet filter plug, the filter element is sleeved on the first-stage air inlet step, the shell is sleeved on the third-stage air inlet step, and the first sealing groove is formed in the third-stage air inlet.
Furthermore, the joint of the air inlet filter plug and the shell is provided with a first external thread, and the inner surface of the shell is provided with a first internal thread corresponding to the first external thread.
Further, the gas outlet filters the stopper and is the cylinder, is equipped with first order gas outlet step, second level gas outlet step, third level gas outlet step and fourth level gas outlet step on the gas outlet filters the stopper in proper order, the filter core cover is in on the first order gas outlet step, the shell cover is in on the third level gas outlet step, the second seal groove is located on the third level gas outlet step, the second level gas outlet step is equipped with the venthole along radial direction, the gas outlet filter the stopper along axial direction be equipped with the gas outlet exhaust hole of venthole intercommunication.
Further, the gas outlet filter plug with the junction that the gas outlet connects is equipped with first shrinkage pool, the gas outlet connect the embedding extremely in the first shrinkage pool, the third seal groove is located in the first shrinkage pool, be equipped with the second shrinkage pool that is used for the waterproof ventilated membrane of holding in the first shrinkage pool.
Further, a third internal thread is arranged on the inner surface of the first concave hole, and a third external thread is arranged on the gas outlet joint corresponding to the third internal thread.
Furthermore, a second external thread is arranged at the joint of the air outlet filter plug and the shell, and a second internal thread is arranged on the inner surface of the shell corresponding to the second external thread.
Furthermore, the center that the gas outlet connects is equipped with the gas outlet hole, the outer terminal surface that the gas outlet connects be equipped with the joint of giving vent to anger of gas outlet hole intercommunication.
Adopt above-mentioned scheme, the utility model discloses compare with traditional filter, have following beneficial effect:
(1) the filter element is simple in structure and low in cost, and is convenient to disassemble and assemble through threaded connection, so that the filter element and the waterproof breathable film are convenient to replace;
(2) sealing rings are arranged at the joint of the shell and the air inlet filter plug, the joint of the shell and the air outlet filter plug and the joint of the air outlet filter plug and the air outlet joint, and the sealing ring has good sealing performance.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is an exploded view of the present invention.
Fig. 3 is a cross-sectional view of the present invention.
Fig. 4 is a three-dimensional view of the air inlet filter plug of the present invention.
Fig. 5 is a cross-sectional view of the air inlet filter plug of the present invention.
Fig. 6 is a three-dimensional view of the housing of the present invention.
Figure 7 is a three-dimensional view of the gas outlet filter plug of the present invention.
Figure 8 is a cross-sectional view of the gas outlet filter plug of the present invention.
Figure 9 is a three-dimensional view of the gas outlet joint of the present invention.
Fig. 10 is a cross-sectional view of the gas outlet joint of the present invention.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 3, the present invention provides a gas filtering apparatus, including: filter core 1, with the air inlet that 1 one end of filter core is connected filters stopper 2, with the gas outlet that 1 other end of filter core is connected filters stopper 3, with the gas outlet that 3 connections of stopper are filtered to the gas outlet connects 4, and one end with the air inlet filter stopper 2 connect the other end with the gas outlet filter stopper 3 connect and will the shell 5 that 1 covers of filter core closes. The gas outlet filters stopper 3 with the gas outlet connects the junction of 4 to be equipped with waterproof ventilated membrane 6, the gas inlet filter stopper 2 with the junction of shell 5 is equipped with first seal groove, be equipped with first sealing washer 7 in the first seal groove, the gas outlet filter stopper 3 with the junction of shell 5 is equipped with the second seal groove, be equipped with second sealing washer 8 in the second seal groove, the gas outlet filter stopper 3 with the junction of gas outlet interface 4 is equipped with the third seal groove, be equipped with third sealing washer 9 in the third seal groove. Through setting up first sealing washer 7, second sealing washer 8 and third sealing washer 9, all sealed the processing with this filter equipment's external junction, had fine leakproofness.
Referring to fig. 4 to 6, the air inlet filter plug 2 is a cylinder, and has an air inlet hole 21 at the center thereof and an air inlet joint 22 at the outer end surface thereof, which is communicated with the air inlet hole 21. Be equipped with first order air inlet step 23, second level air inlet step 24, third level air inlet step 25 and fourth level air inlet step 26 on the air inlet filter stopper 2 in proper order, filter core 1 cover is in on the first order air inlet step 23, inside first order step 23 imbeds to filter core 1, is equipped with the chamfer in order to make things convenient for air inlet filter stopper 2 to insert to filter core 1 in first order step 23 department. The shell 5 is sleeved on the third-stage air inlet step 25, a first external thread 100 is arranged at the joint of the air inlet filter plug 2 and the shell 5, a first internal thread 110 is arranged on the inner surface of the shell corresponding to the first external thread 100, and the first external thread 100 is screwed with the first internal thread 110 to fix the air inlet filter plug 2 and the shell 5. The first sealing groove is arranged on the third-stage air inlet step 2.
Referring to fig. 7 and 8, the air outlet filter plug 3 is a cylinder, and the air outlet filter plug 3 is sequentially provided with a first stage air outlet step 31, a second stage air outlet step 32, a third stage air outlet step 33, and a fourth stage air outlet step 34. The filter element 1 is sleeved on the first-stage air outlet step 31, the first air outlet step 31 is embedded into the filter element 1, and a chamfer is arranged on the first air outlet step 31 to facilitate the insertion of the air outlet filter plug 3 into the filter element 1. The shell 5 is sleeved on the third stage air outlet step 33, a second external thread 200 is arranged at the joint of the air outlet filtering plug 3 and the shell 5, a second internal thread is arranged on the inner surface of the shell 5 corresponding to the second external thread 200, and the second external thread 200 is screwed with the second internal thread to fix the air outlet filtering plug 3 and the shell 5. The second seal groove is provided on the third stage air outlet step 33. And the second-stage air outlet step 32 is provided with an air outlet hole 35 along the radial direction, and the air outlet filter plug 3 is provided with an air outlet vent hole 36 communicated with the air outlet hole 35 along the axial direction.
The gas outlet filter plug 3 with the junction that the gas outlet connects 4 is equipped with first shrinkage pool 37, the gas outlet connects 4 imbeds extremely in the first shrinkage pool 37, the third seal groove is located in the first shrinkage pool 37, be equipped with the second shrinkage pool 38 that is used for the waterproof ventilated membrane 6 of holding in the first shrinkage pool 37, third sealing washer 9 surrounds second shrinkage pool 38.
The inner surface of the first concave hole 37 is provided with a third internal thread 300, the air outlet joint 4 is provided with a third external thread corresponding to the third internal thread 300, and the third internal thread 300 is screwed with the third external thread to connect the air outlet filter plug 3 with the air outlet joint 4.
Referring to fig. 9 and 10, an air outlet vent hole is formed in the center of the air outlet joint 4, and an air outlet joint 41 communicated with the air outlet vent hole is formed on the outer end surface of the air outlet joint 4.
Referring to fig. 3, the arrows in fig. 3 indicate the flow direction of the gas. Gas enters the gas inlet 21 from the gas inlet joint 22, is filtered by the filter element 1, and then enters the cavity between the filter element 1 and the shell 5, and then enters the gas outlet filter plug 3 from the gas outlet 35, and finally flows out from the gas outlet vent hole and the gas outlet joint 41 in sequence through the two-stage filtration of the waterproof breathable film 6.
To sum up, the utility model discloses compare with traditional filter, have following beneficial effect:
(1) the filter element is simple in structure and low in cost, and is convenient to disassemble and assemble through threaded connection, so that the filter element and the waterproof breathable film are convenient to replace;
(2) sealing rings are arranged at the joint of the shell and the air inlet filter plug, the joint of the shell and the air outlet filter plug and the joint of the air outlet filter plug and the air outlet joint, and the sealing ring has good sealing performance.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. A gas filtration device, comprising: the filter core, with the air inlet that filter core one end is connected filters the stopper, with the gas outlet that the filter core other end is connected filters the stopper, with the gas outlet that the gas outlet filters the stopper and connects and one end with the air inlet filter the stopper connect the other end with the gas outlet filters the stopper and will the shell that the filter core covers closes, the gas outlet filter the stopper with the junction that the gas outlet connects is equipped with waterproof ventilated membrane, the air inlet filter the stopper with the junction of shell is equipped with first seal groove, be equipped with first sealing washer in the first seal groove, the gas outlet filter the stopper with the junction of shell is equipped with the second seal groove, be equipped with the second sealing washer in the second seal groove, the gas outlet filter the stopper with the junction of gas outlet interface is equipped with the third seal groove, be equipped with the third sealing washer in the third seal.
2. The gas filtering device according to claim 1, wherein the inlet filter plug is a cylinder having an inlet hole at its center, an inlet joint communicating with the inlet hole is provided at its outer end surface, a first stage inlet step, a second stage inlet step, a third stage inlet step and a fourth stage inlet step are provided on the inlet filter plug in sequence, the filter element is fitted on the first stage inlet step, the housing is fitted on the third stage inlet step, and the first sealing groove is provided on the third stage inlet step.
3. The gas filtering device according to claim 1, wherein a first external thread is provided at a connection of the inlet filter plug and the housing, and a first internal thread is provided on an inner surface of the housing corresponding to the first external thread.
4. The gas filtering device according to claim 1, wherein the gas outlet filter plug is a cylinder, the gas outlet filter plug is sequentially provided with a first stage gas outlet step, a second stage gas outlet step, a third stage gas outlet step and a fourth stage gas outlet step, the filter element is sleeved on the first stage gas outlet step, the housing is sleeved on the third stage gas outlet step, the second sealing groove is arranged on the third stage gas outlet step, the second stage gas outlet step is provided with a gas outlet along the radial direction, and the gas outlet filter plug is provided with a gas outlet vent hole communicated with the gas outlet along the axial direction.
5. The gas filtering device according to claim 4, wherein a first recess is provided at a connection between the gas outlet filter plug and the gas outlet joint, the gas outlet joint is inserted into the first recess, the third sealing groove is provided in the first recess, and a second recess is provided in the first recess for accommodating the waterproof and breathable membrane.
6. The gas filtering device according to claim 5, wherein said first recess bore has a third internal thread formed on an inner surface thereof, and said gas outlet fitting has a third external thread formed thereon corresponding to said third internal thread.
7. The gas filtering device according to claim 1, wherein a second external thread is provided at a connection of said outlet filter plug and said housing, and a second internal thread is provided on an inner surface of said housing corresponding to said second external thread.
8. The gas filtering device according to claim 1, wherein the gas outlet joint is provided with a gas outlet vent hole at the center thereof, and an outer end surface of the gas outlet joint is provided with a gas outlet joint communicated with the gas outlet vent hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921566972.1U CN210751786U (en) | 2019-09-20 | 2019-09-20 | Gas filtering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921566972.1U CN210751786U (en) | 2019-09-20 | 2019-09-20 | Gas filtering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210751786U true CN210751786U (en) | 2020-06-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921566972.1U Active CN210751786U (en) | 2019-09-20 | 2019-09-20 | Gas filtering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210751786U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113144782A (en) * | 2021-06-07 | 2021-07-23 | 飞潮(上海)环境技术有限公司 | Channel type high-precision gas filter |
-
2019
- 2019-09-20 CN CN201921566972.1U patent/CN210751786U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113144782A (en) * | 2021-06-07 | 2021-07-23 | 飞潮(上海)环境技术有限公司 | Channel type high-precision gas filter |
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