CN220113147U - Smoke filtering performance test fixture with good sealing performance - Google Patents
Smoke filtering performance test fixture with good sealing performance Download PDFInfo
- Publication number
- CN220113147U CN220113147U CN202321492962.4U CN202321492962U CN220113147U CN 220113147 U CN220113147 U CN 220113147U CN 202321492962 U CN202321492962 U CN 202321492962U CN 220113147 U CN220113147 U CN 220113147U
- Authority
- CN
- China
- Prior art keywords
- smoke filtering
- sealing
- wall
- filtering performance
- groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 78
- 238000001914 filtration Methods 0.000 title claims abstract description 34
- 239000000779 smoke Substances 0.000 title claims abstract description 32
- 238000011056 performance test Methods 0.000 title claims description 13
- 238000003825 pressing Methods 0.000 claims abstract description 30
- 238000012360 testing method Methods 0.000 claims abstract description 19
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000001125 extrusion Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 210000001503 joint Anatomy 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000029058 respiratory gaseous exchange Effects 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model discloses a smoke filtering performance testing tool with good sealing performance, which comprises a smoke filtering performance testing table main body, wherein a working groove is formed in the front surface of the smoke filtering performance testing table main body, an airtight sealing head capable of being lifted is arranged on the inner wall above the working groove, and a mounting plate is mounted on the inner wall below the working groove through screws; the beneficial effects are as follows: the sealing gasket with the circular opening is arranged in the sealing cylinder in a sealing manner, the clamping assembly and the pressing assembly are also arranged on the sealing cylinder, and the sealing cylinder can adapt to various types of filter elements such as the filter elements connected through threads, the filter elements connected through flanges and the filter elements with different air inlet positions under the cooperation of the clamping assembly and the pressing assembly.
Description
Technical Field
The utility model relates to the technical field of filter elements, in particular to a smoke filtering performance testing tool with good sealing performance.
Background
After the filter is produced, the performance of the filter needs to be detected according to the technical requirement of the breathing protection automatic filtration type breathing mask, and a smoke filtering performance test tool (namely a smoke filtering performance test bed of the filter) is often adopted at present.
Before detecting the filter element, the filter element is usually connected with a fixing device through a threaded interface of the filter element (mainly composed of a mounting plate, a sealing cylinder and a circular opening sealing plate with threads inside the sealing cylinder), and after the mounting, an upper sealing head capable of lifting and falling is moved downwards to be in sealing butt joint with the filter element. The above steps have some of the following drawbacks: this fixing device can only be used for threaded connection's filter, and when threaded connection's diameter changed, then need carry out screw dismouting to the closing plate, the dismouting is inconvenient, and not every filter all adopts threaded connection and the equal vertical up of air inlet interface simultaneously, and some filters adopt flange joint, and some filters's air inlet interface is located its one side, or air inlet interface is located the top but is L type structure, and this type of filter then can't realize sealed installation, consequently has the lower defect of application range.
For the problems in the related art, no effective solution has been proposed at present.
Disclosure of Invention
Aiming at the problems in the related art, the utility model provides a smoke filtering performance testing tool with good sealing performance, so as to overcome the technical problems in the prior related art.
For this purpose, the utility model adopts the following specific technical scheme:
the utility model provides a smoke filtering performance test fixture that leakproofness is good, includes smoke filtering performance test bench main part, the front of smoke filtering performance test bench main part is equipped with the working groove, the top inner wall of working groove is equipped with liftable into airtight head, the mounting panel is installed to the below inner wall screw of working groove, the top of mounting panel be equipped with liftable advance airtight head assorted seal cylinder, seal gasket has been placed to seal cylinder's inside, seal gasket's top middle part is equipped with circular opening, seal cylinder's top surface is equipped with three annular distribution's recess, every the internally mounted of recess has the centre gripping subassembly, and three the intercommunication has the ring channel between the recess, the internally mounted of ring channel have with centre gripping subassembly assorted pressing component.
Preferably, the clamping assembly comprises a telescopic strip, a clamping column is arranged at one end, close to the center point of the sealing cylinder, of the telescopic strip, supporting shafts connected with the inner walls of the grooves are arranged on two side walls of the telescopic strip, and springs connected with the inner walls below the grooves are arranged at the bottom end of the telescopic strip.
Preferably, the outer wall of the clamping column is wrapped with a rubber buffer film, and the diameter of the clamping column is larger than the thickness of the telescopic strip.
Preferably, the pressing assembly comprises an annular pressing plate located inside the annular groove, the annular pressing plate is located above the telescopic strip, a screw rod penetrating through the top of the annular pressing plate to the lower side of the annular pressing plate is arranged at the top end of the annular pressing plate, the top end of the screw rod extends to the upper side of the sealing cylinder, a pair of locating rods are connected to the upper inner wall and the lower inner wall of the annular groove, and the two locating rods penetrate through the annular pressing plate.
Preferably, the top of the sealing cylinder is provided with a circular storage groove, and a knob connected with the top of the screw rod is arranged inside the circular storage groove.
Preferably, the inner wall of the sealing cylinder is provided with a plurality of annular distributed limit convex strips, the outer wall of the sealing gasket is provided with a plurality of annular distributed limit clamping grooves, and each limit convex strip is correspondingly clamped on each limit clamping groove.
The beneficial effects of the utility model are as follows:
1. the sealing gasket with the circular opening is arranged in the sealing cylinder in a sealing manner, and the clamping assembly and the pressing assembly are arranged on the sealing cylinder, so that the sealing cylinder can adapt to various types of filter elements such as the filter elements connected through threads, the filter elements connected through flanges and the filter elements with different air inlet positions under the cooperation of the clamping assembly and the pressing assembly, and compared with the conventional sealing cylinder, the sealing cylinder is larger in size, the length of the clamping assembly is adjustable, and can be used for placing and clamping various types of filter elements (with the size smaller than that of the sealing cylinder) without frequently replacing the sealing cylinder, so that the whole application range is greatly improved;
2. the clamping assembly can not only realize the extrusion fixing of the filter element, but also extrude and fix the sealing gasket in the extrusion fixing process of the filter element, the sealing property and the firmness of the sealing gasket are greatly improved, and the sealing gasket is very convenient to replace.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic structural diagram of a good-tightness smoke filtering performance test fixture according to an embodiment of the utility model;
FIG. 2 is a top view of a seal cartridge in a good-tightness smoke filtering performance test fixture according to an embodiment of the utility model;
fig. 3 is a schematic structural diagram of a pressing component in a good-tightness smoke filtering performance testing tool according to an embodiment of the utility model;
fig. 4 is a schematic diagram of a connection structure between a spring and a telescopic strip in a smoke filtering performance testing tool with good sealing performance according to an embodiment of the utility model.
In the figure:
1. a smoke filtering performance test stand main body; 2. a working groove; 3. lifting and lowering the airtight seal head; 4. a mounting plate; 5. a sealing cylinder; 6. a sealing gasket; 7. a circular opening; 8. a groove; 9. an annular groove; 10. a telescopic strip; 11. a clamping column; 12. a support shaft; 13. a spring; 14. an annular pressing plate; 15. a screw; 16. a positioning rod; 17. a circular receiving groove; 18. a knob; 19. limit raised strips; 20. and a limit clamping groove.
Detailed Description
For the purpose of further illustrating the various embodiments, the present utility model provides the accompanying drawings, which are a part of the disclosure of the present utility model, and which are mainly used to illustrate the embodiments and, together with the description, serve to explain the principles of the embodiments, and with reference to these descriptions, one skilled in the art will recognize other possible implementations and advantages of the present utility model, wherein elements are not drawn to scale, and like reference numerals are generally used to designate like elements.
According to the embodiment of the utility model, the smoke filtering performance testing tool with good sealing performance is provided.
Embodiment one;
as shown in fig. 1-4, the smoke filtering performance testing tool with good sealing performance according to the embodiment of the utility model comprises a smoke filtering performance testing table main body 1, a working groove 2 is arranged on the front surface of the smoke filtering performance testing table main body 1, a lifting airtight seal head 3 is arranged on the upper inner wall of the working groove 2 and can move up and down under the action of a cylinder, a mounting plate 4 is arranged on the lower inner wall screw of the working groove 2, a sealing cylinder 5 matched with the lifting airtight seal head 3 is arranged on the top end of the mounting plate 4, the diameter of the inner wall of the upper part of the sealing cylinder 5 is larger than that of the inner wall of the lower part of the sealing cylinder 5, a sealing gasket 6 is arranged in the sealing cylinder 5, a good sealing effect is achieved, the overall sealing performance is good, a circular opening 7 is arranged in the middle of the top end of the sealing gasket 6, three grooves 8 which are distributed annularly are arranged on the top surface of the sealing cylinder 5, a clamping assembly is arranged in the inner part of each groove 8, an annular groove 9 is communicated between the three grooves 8, and a pressing assembly matched with the clamping assembly is arranged in the inner part of the annular groove 9.
Embodiment two;
as shown in fig. 1-4, according to the smoke filtering performance testing tool with good sealing performance provided by the embodiment of the utility model, the clamping assembly comprises the telescopic strip 10, one end of the telescopic strip 10, which is close to the center point of the sealing cylinder 5, is provided with the clamping column 11, both side walls of the telescopic strip 10 are provided with the supporting shafts 12 connected with the inner walls of the grooves 8, the bottom end of the telescopic strip 10 is provided with the springs 13 connected with the inner walls below the grooves 8, under the elastic force support of the springs 13, the telescopic strip 10 is inclined upwards normally, when the telescopic strip 10 is extruded, the telescopic strip 10 swings downwards, finally, the clamping column 11 is extruded on the mounting flange of the filtering piece, the outer wall of the clamping column 11 is wrapped with the rubber buffer film, the buffering performance is good, the diameter of the clamping column 11 is larger than the thickness of the telescopic strip 10, and the good pressing and clamping effects are achieved.
Embodiment three;
as shown in fig. 1-4, according to the smoke filtering performance testing tool with good sealing performance provided by the embodiment of the utility model, the pressing assembly comprises the annular pressing plate 14 positioned in the annular groove 9, the annular pressing plate 14 is positioned above the telescopic strip 10, the top end of the annular pressing plate 14 is provided with the screw 15 penetrating to the lower side of the annular pressing plate, the top end of the screw 15 extends to the upper side of the sealing cylinder 5, the upper inner wall and the lower inner wall of the annular groove 9 are connected with a pair of positioning rods 16, the two positioning rods 16 penetrate through the annular pressing plate 14, the screw 15 positively rotates, the annular pressing plate 14 can be driven to downwards move to press the telescopic strip 10 movably connected, the top end of the sealing cylinder 5 is provided with the circular containing groove 17, the knob 18 connected with the top of the screw 15 is arranged in the circular containing groove 17, an operator can conveniently drive the screw 15 to rotate, meanwhile, the knob 18 can have good hiding containing function, and can not interfere the sealing connection of the sealing head 3 and the sealing cylinder 5.
Fourth embodiment;
as shown in fig. 1-4, according to the smoke filtering performance testing tool with good sealing performance provided by the embodiment of the utility model, the inner wall of the sealing cylinder 5 is provided with a plurality of annular distributed limit convex strips 19, the outer wall of the sealing gasket 6 is provided with a plurality of annular distributed limit clamping grooves 20, and each limit convex strip 19 is correspondingly clamped on each limit clamping groove 20, so that the sealing gasket 6 can be prevented from rotating, and a good limit clamping effect is achieved.
In order to facilitate understanding of the above technical solutions of the present utility model, the following describes in detail the working principle or operation manner of the present utility model in the actual process.
In practical application, if the bottom of filter has the screwed joint, the clamping post 11 is carried out extrusion centre gripping to sealing washer 6 all the time this moment, sealing washer 6 is firm stable, this moment the bottom screwed joint of filter and the circular opening 7 threaded connection on the sealing washer 6, if the bottom of filter has flange, place the filter on sealing washer 6 this moment, forward rotation knob 18, screw rod 15 forward rotation, annular clamp plate 14 moves down extrusion telescopic strip 10, spring 13 receives extrusion elasticity shrink, telescopic strip 10 swings down simultaneously, clamping post 11 moves down the extrusion along with on flange's top surface, can realize the fixed mounting of filter and sealing washer 6 simultaneously, and because sealing washer 6 also joint is connected, therefore it is also very convenient to change, because seal section of thick bamboo 5 and liftable into airtight head 3 seal butt joint, and sealing washer 6 is in sealing state, the intake pipe on the liftable into airtight head 3 does not need to inject the air inlet on the filter, therefore no matter what (upper end, lateral wall) the air inlet position is, the filter can all obtain good performance and detect.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (6)
1. The utility model provides a smoke filtering performance test fixture that leakproofness is good, its characterized in that, including smoke filtering performance test bench main part (1), the front of smoke filtering performance test bench main part (1) is equipped with working groove (2), the top inner wall of working groove (2) is equipped with liftable into airtight head (3), mounting panel (4) are installed to the below inner wall screw of working groove (2), the top of mounting panel (4) be equipped with liftable into airtight head (3) assorted seal cylinder (5), seal gasket (6) have been placed to seal cylinder (5)'s inside, seal gasket (6)'s top middle part is equipped with circular opening (7), seal cylinder (5)'s top surface is equipped with three annular distribution's recess (8), every recess (8) internally mounted have clamping assembly, and the three intercommunication has ring channel (9) between recess (8), the internally mounted of ring channel (9) have with clamping assembly assorted pressing assembly.
2. The smoke filtering performance testing tool with good sealing performance according to claim 1, wherein the clamping assembly comprises a telescopic strip (10), one end of the telescopic strip (10) close to the center point of the sealing cylinder (5) is provided with a clamping column (11), two side walls of the telescopic strip (10) are respectively provided with a supporting shaft (12) connected with the inner wall of the groove (8), and the bottom end of the telescopic strip (10) is provided with a spring (13) connected with the inner wall below the groove (8).
3. The smoke filtering performance testing tool with good sealing performance according to claim 2, wherein the outer wall of the clamping column (11) is wrapped with a rubber buffer film, and the diameter of the clamping column (11) is larger than the thickness of the telescopic strip (10).
4. The smoke filtering performance testing tool with good sealing performance according to claim 2, wherein the pressing assembly comprises an annular pressing plate (14) located inside the annular groove (9), the annular pressing plate (14) is located above the telescopic long strip (10), a screw rod (15) penetrating below the annular pressing plate is arranged at the top end of the annular pressing plate (14), the top end of the screw rod (15) extends to the upper side of the sealing cylinder (5), a pair of positioning rods (16) are connected to the upper inner wall and the lower inner wall of the annular groove (9), and the two positioning rods (16) penetrate through the annular pressing plate (14).
5. The smoke filtering performance testing tool with good sealing performance according to claim 4, wherein a circular containing groove (17) is formed in the top end of the sealing cylinder (5), and a knob (18) connected with the top of the screw rod (15) is arranged inside the circular containing groove (17).
6. The smoke filtering performance testing tool with good sealing performance according to claim 1, wherein a plurality of annular distributed limit convex strips (19) are arranged on the inner wall of the sealing cylinder (5), a plurality of annular distributed limit clamping grooves (20) are formed in the outer wall of the sealing gasket (6), and each limit convex strip (19) is correspondingly clamped on each limit clamping groove (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321492962.4U CN220113147U (en) | 2023-06-13 | 2023-06-13 | Smoke filtering performance test fixture with good sealing performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321492962.4U CN220113147U (en) | 2023-06-13 | 2023-06-13 | Smoke filtering performance test fixture with good sealing performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220113147U true CN220113147U (en) | 2023-12-01 |
Family
ID=88892550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321492962.4U Active CN220113147U (en) | 2023-06-13 | 2023-06-13 | Smoke filtering performance test fixture with good sealing performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220113147U (en) |
-
2023
- 2023-06-13 CN CN202321492962.4U patent/CN220113147U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN220113147U (en) | Smoke filtering performance test fixture with good sealing performance | |
| CN114279852A (en) | High strength PVC pipe production is with resistance to compression check out test set | |
| CN117054310A (en) | Building material detection system and detection process | |
| CN218917100U (en) | Anti-deflection hardness detector | |
| CN216846725U (en) | Tool for valve detection | |
| CN212621435U (en) | Detection apparatus for mechanical seal uses | |
| CN213289426U (en) | Fixing device for circular knife | |
| CN210071249U (en) | Detection apparatus for automobile shock absorber ware sleeve end cover welding tightness | |
| CN210243153U (en) | Closestool seat intensity detects machine | |
| CN220251472U (en) | Portable air sampling tube with support opening | |
| CN220690538U (en) | Water quality sampling and collecting device | |
| CN214539140U (en) | Impervious appearance | |
| CN214025354U (en) | Machining clamp for sensor sealing ring | |
| CN219567921U (en) | Fermentation microorganism cultivates detection device | |
| CN219244928U (en) | Air tightness detection jig for camera | |
| CN216747303U (en) | Device for efficiently detecting leakage of filter | |
| CN220136761U (en) | Anti-suck-back device for air sampler | |
| CN218674407U (en) | Filter membrane clamp with sealing ring anti-extrusion structure | |
| CN219179161U (en) | Multi-functional municipal works water permeability detection device | |
| CN219624629U (en) | Air seal gasket size inspection measuring equipment | |
| CN214043356U (en) | Oil taking pipe connecting structure for oil taking port of transformer | |
| CN217687777U (en) | Filter core leakproofness detection device | |
| CN218239621U (en) | Building material's detection device | |
| CN219750518U (en) | Flip system is screened to wine | |
| CN221038450U (en) | Waterproof material toughness detection test mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |