CN206082096U - Air dryer of area buffering filter screen - Google Patents

Abstract

The utility model provides an it has the adsorbate to fill, between casing and the upper cover plate that air dryer of area buffering filter screen, casing establish at upper cover plate under and between the apron, and even in the casing to reach the casing and all be equipped with the buffering filter screen down between the apron, the bottom of buffering filter screen is equipped with the stainless steel filter screen, and the stainless steel filter screen inlays the bottom at the buffering filter screen through the vulcanization. The utility model discloses the surface and the cushion rubber circle of well buffering filter screen bottom comprise elastic material, and pressure spring strikes the indirectness of adsorbate during buffer car vibrations that can be fine, and the tubulose structural design of cushion rubber circle, and after the impact force was fallen to the buffering, the reaction force of repayment also reduced much relatively, the structure of this kind of optimal design before relatively, great improvement adsorption material's life, let also the density structure keeps lasting between adsorption material.

Description

A kind of air drier with buffering drainage screen

Technical field

This utility model is related to a kind of exsiccator, and in particular to a kind of sky of the buffering drainage screen being provided with antihunt action Gas dryer.

Background technology

Drainage screen played larger particles impurity in air filtering in air drier, allowed the air for passing through to be uniformly distributed, And drainage screen pressed by holddown spring be uniformly distributed the effect of elimination gap etc. by adsorbate compressing adsorbate.

But in use, due to source of the gas high pressure draught impact and train driving in produce vibrations, can cause inhale Addendum impact holddown spring, the situation without rubber buffer ring can allow compression spring bounce-back repeated stock adsorbate.After long-time Granular adsorbate extrusion friction can be caused to crush, can more seriously cause adsorbate powdered, dust and crushed particles quilt Air-flow is brought in pipeline below, causes components and parts laying dust in pipeline below, the potential safety hazard that will have components and parts action to fail.

And as the abrasion of adsorbate ruptures, the volume of adsorbate is reduced, compression spring will become to the thrust of adsorbate It is little, adsorbate can be caused to deposit under gravity, cause adsorbate skewness in housing, and then cause air-flow along neutral Gap is flow through, and makes exsiccator adsorption effect not up to standard.Reduction of the compression spring to adsorbate thrust, also results in adsorbate and exists Air-flow is lower with vibrations to be easier play, causes the aggravation worn and torn with concussion fracture, and into vicious cycle, adsorbate in a short time will Lose effectiveness.

Find that following patent has similarity with this utility model by domestic retrieval：

Application No. CN200920171459.2, the utility model of entitled " Portable dryer " discloses a kind of light Type exsiccator, is mainly used in the auxiliary air passage of locomotive system, and the Portable dryer includes：Drying；First end cap portions and Two end cap portions, are connected to the two ends of the drying, and air inlet, second end cap are offered in first end cap portions Gas outlet is offered in portion；Elastic, inside the drying, one end elasticity of the elastic is resisted against described first End cap portions or the second end cap portions；The dry filter portion of dry decontamination gas, inside the drying, the elastic it is another One end elasticity is resisted against the one end in the dry filter portion, and the other end in the dry filter portion is resisted against accordingly described Two end cap portions or the first end cap portions, the Portable dryer of this utility model can coordinate auxiliary compressor to use, its structure letter Single, moulding is light and handy, weight is little, can overcome that dryer configuration traditional in prior art is complicated, take up room big, mechanical and electricity The defect such as gas interface is more.

Application No. CN201620145862.8, it is entitled " it is a kind of can fully filtration drying and energy-conservation air conditioning for automobiles storage The utility model of liquid exsiccator " disclose it is a kind of can fully filtration drying and energy-conservation automobile air-conditioner liquid storage dryer, including this Body and sealing ring, the left and right of the body is respectively arranged at two ends with inlet and outlet, and the outside of the inlet and outlet is equipped with outward Screw thread, the inwall of the sealing ring is provided with the female thread corresponding with external screw thread, and the inside of the body is from left to right successively Filter chamber, drying chamber and reservoir compartment are provided with, and the inside both sides of body are equipped with filter chamber, inside the filter chamber from left to right Low efficient filter screen, activated charcoal strainer and glass fiber filter cotton are sequentially provided with, the filter chamber and drying chamber pass through filter tube Connection, the inside of the drying chamber is provided with dividing plate, and the drying chamber is arranged with sub-chamber, the inside of the sub-chamber by dividing plate Venting bags are equipped with, the inside of the chute is provided with slide block, on the outside of the filter chamber slide block is fixedly connected, not only can reach More healthy refrigerating environment, can also save the use of desiccant, economical and practical.

Although above patent is also all atmospheric drier, the two ends of the exsiccator in above-mentioned patent are not set by rubber and gold Technical scheme in category drainage screen sulfuration all-in-one-piece buffering drainage screen, therefore above-mentioned patent is still difficult to overcome housing internal adsorption The broken defect of thing, so how to prevent housing interior suction addendum from crushing, prevents the part blocked below after adsorbate is broken from still needing to Further research.

Utility model content

The technical problems to be solved in the utility model is：How the vibrations in locomotive operation produced are prevented so that holddown spring is anti- Repeated stock adsorbate is played, is caused adsorbate broken and is blocked part below so that the potential safety hazard of component actuation failure.

Pin with the problems referred to above, the utility model proposes technical scheme be：A kind of air drier with buffering drainage screen, Housing is located between upper cover plate and lower cover, and adsorbate is uniformly filled with housing, between housing and upper cover plate, and It is designed with buffering drainage screen between housing and lower cover；The bottom of buffering drainage screen is provided with stainless steel filtering net, and stainless steel filtering net It is the bottom that buffering drainage screen is embedded in by sulfuration.

Further, buffering drainage screen includes front buffering drainage screen and rear buffering drainage screen, and rubber buffer ring includes front slow Rubber ring and rear rubber buffer ring are rushed, stainless steel filtering net includes front stainless steel filtering net and rear stainless steel filtering net；Housing and upper cover plate Between buffering drainage screen be front buffering drainage screen, the buffering drainage screen between housing and lower cover be rear buffering drainage screen.

Further, drainage screen is buffered afterwards includes rear stainless steel filtering net, rear rubber buffer ring and handle groove, rear yielding rubber Enclose as open circles tubulose, the rear rubber buffer ring of handle groove insertion forms through hole, rear stainless steel filtering net on rear rubber buffer ring The bottom of drainage screen is buffered after being embedded in by sulfuration.

Further, buffer afterwards and holddown spring is additionally provided between drainage screen and lower cover, holddown spring is filtered with rear buffering Net is mutually pushed up, and drainage screen is buffered after making and compresses the adsorbate in housing.

Further, front buffering drainage screen includes front stainless steel filtering net, front rubber buffer ring and seal boss, front rustless steel Filter screen buffers the bottom of drainage screen before being embedded in by sulfuration, front rubber buffer ring is together with seal boss seamless connection so that Stainless steel filtering net, front rubber buffer ring and seal boss form an entirety.

Further, front rubber buffer ring is open circles tubulose, and seal boss is annular shape, and the bore of seal boss is big In the bore of front rubber buffer ring.

The utility model has the advantages that：

1. the surface of buffered filter screen bottom and rubber buffer ring are made up of elastomeric material, can good buffer Indirect stroke of the holddown spring to adsorbate when car shakes, and the tubular structure design of rubber buffer ring, buffering is fallen after impulsive force, The counteracting force of feedback is also relative to reduce a lot, and the relatively former structure of this optimization design greatly improves adsorbing material Service life, also allow between adsorbing material density structure to keep lasting.

2. the good shock-absorbing capacity of the buffering drainage screen at exsiccator two ends, can prevent adsorbate from crushing, so as to anti- The only block in exsiccator, it is ensured that air drier can long-play, provide permanent pure source of the gas also to client, The service life of customer equipment is improve, equipment failure rate is reduced, the maintenance cost of equipment is reduced.

3. the seal boss in the handle groove in drainage screen, and front buffering drainage screen is buffered after, buffering can be caused to filter Quick and easy the carrying out of net energy dismounts, and makes production installation, maintenance work become convenient, more fast, greatly carries High work efficiency.

Description of the drawings

Fig. 1 is structural representation of the present utility model；

Fig. 2 buffers the dimensional structure diagram of drainage screen after being；

Fig. 3 buffers the dimensional structure diagram of drainage screen before being；

In figure：1 lower cover, drainage screen, stainless steel filtering net after 21 are buffered after 2, rubber buffer ring, 23 handle grooves, 3 pressures after 22 Tight spring, 4 adsorbates, 5 housings, buffer before 6 drainage screen, stainless steel filtering net before 61, rubber buffer ring before 62,63 seal bosses, 7 Upper cover plate.

Specific embodiment

The description of a step is done to this utility model with reference to embodiment and accompanying drawing：

Embodiment one

As shown in figure 1, front buffering drainage screen 6 is arranged in housing 5, and it is fixed with upper cover plate 7.It is uniform in housing 5 Filling, adsorbate 4 is distributed with, drainage screen 2 is buffered afterwards and is arranged in housing 5, and it is pressed with lower cover and holddown spring 3 Tightly, so that afterwards buffering drainage screen 2 is compressed to adsorbate 4.

As shown in Fig. 2 afterwards buffering drainage screen 2 includes rear stainless steel filtering net 21, rear rubber buffer ring 22 and handle groove 23, after Rubber buffer ring 22 is open circles tubulose, and the hole of rubber buffer ring 22 after multiple insertions is provided with rear rubber buffer ring 22, these Hole defines handle groove 23 one by one, and the dismounting of drainage screen 2 is buffered after facilitating, the number of handle groove 23 that also can be by opening The dynamics and effect of buffering are adjusted with size.Because rear rubber buffer ring 22 by adsorbate 4 being impacted into can produce deformation, In order to prevent stress concentration during deformation, the two ends of handle groove 23 generally need to carry out rounding, therefore the shape of handle groove 23 is excellent Elect circle, oval and round rectangle as.

In order to ensure rear buffering drainage screen 2 can keep covering from the flow direction of the one end of lower cover 1 for airflow smooth in exsiccator Plate 7, the stainless steel filtering net 21 after the bottom of rear buffering drainage screen 2 is provided with.In order to ensure the buffering of the bottom of rear buffering drainage screen 2 Effect, the bottom that drainage screen 2 is buffered afterwards is employed with elastic rubber material, and rear stainless steel filtering net 21 is embedded in by sulfuration In buffering bottom made by the elastomeric material of drainage screen 2 afterwards.

As shown in figure 3, front buffering drainage screen 6 includes front stainless steel filtering net 61, front rubber buffer ring 62 and seal boss 63, Front stainless steel filtering net 61 buffers the bottom of drainage screen 6 before being embedded in by sulfuration, front rubber buffer ring 62 is seamless with seal boss 63 Link together so that stainless steel filtering net, front rubber buffer ring 62 and seal boss 63 form an entirety.Due to front buffered Holddown spring 3 is not set at filter screen 6, therefore impact of the front buffering drainage screen 6 to adsorbate 4 enters row buffering mainly by front slow Rush rubber ring 62.In order to strengthen the buffer intensity of front rubber buffer ring 62, without the perforate on front rubber buffer ring 62, but Seal boss 63 is set on front rubber buffer ring 62.

Front rubber buffer ring 62 is open circles tubulose, and seal boss 63 is more than for annular shape, and the bore of seal boss 63 The bore of front rubber buffer ring 62.Upper cover plate 7 is pressed on seal boss 63 on housing 5, so as to front rubber buffer ring 62 be consolidated It is scheduled on housing 5.In rubber buffer ring 62 before dismounting, seal boss 63 can also allow the dismounting of front rubber buffer ring 62 more square Just, fast.

As shown in Figure 1, Figure 2 and Figure 3, buffering drainage screen includes front buffering drainage screen 6 and rear buffering drainage screen 2, buffers rubber Cushion rubber includes front rubber buffer ring 62 and rear rubber buffer ring 22, and stainless steel filtering net includes front stainless steel filtering net 61 and rear rustless steel Filter screen 21.Front buffering drainage screen 6 and rear buffering drainage screen 2 are separately mounted to into the two ends of exsiccator, and with holddown spring 3 by after Buffering drainage screen 2 is pressed on adsorbate 4, is enable that adsorbate 4 is stable, is uniformly filled, is distributed in housing 5.In buffering Drainage screen is provided with the gap between the stainless steel filtering net of multiple through holes, and adsorbate 4, can keep the suitable of gas in exsiccator Channel Group is moved.Buffering drainage screen is mainly made using resilient elastomeric material, and it is slow well to coordinate its shape and structure to play Punching, damping effect, prevent adsorbate 4 from crushing.

It will be apparent that on the premise of without departing from principle described in the utility model, some improvement or modification made all should be regarded For protection domain of the present utility model.

Claims (6)

1. it is a kind of with buffering drainage screen air drier, housing（5）It is located at upper cover plate（7）With lower cover（1）Between, and in shell Body（5）It is interior to be uniformly filled with adsorbate（4）, it is characterised in that housing（5）With upper cover plate（7）Between, and housing（5）With Lower cover（1）Between be designed with buffer drainage screen；The bottom of buffering drainage screen is provided with stainless steel filtering net, and stainless steel filtering net is logical Over cure is embedded in the bottom of buffering drainage screen.

2. it is according to claim 1 it is a kind of with buffering drainage screen air drier, it is characterised in that buffering drainage screen bag Buffering drainage screen before including（6）With rear buffering drainage screen（2）, rubber buffer ring include front rubber buffer ring（62）With rear yielding rubber Circle（22）, stainless steel filtering net include front stainless steel filtering net（61）With rear stainless steel filtering net（21）；Housing（5）With upper cover plate（7）It Between buffering drainage screen be front buffering drainage screen（6）, housing（5）With lower cover（1）Between buffering drainage screen for rear buffered Filter screen（2）.

3. it is according to claim 2 it is a kind of with buffering drainage screen air drier, it is characterised in that buffer drainage screen afterwards （2）Including rear stainless steel filtering net（21）, rear rubber buffer ring（22）And handle groove（23）, rear rubber buffer ring（22）For open circles Tubulose, handle groove（23）The rear rubber buffer ring of insertion（22）, in rear rubber buffer ring（22）Upper formation through hole, rear rustless steel filter Net（21）Drainage screen is buffered after being embedded in by sulfuration（2）Bottom.

4. according to Claims 2 or 3 it is a kind of with buffering drainage screen air drier, it is characterised in that it is buffered afterwards Filter screen（2）With lower cover（1）Between be additionally provided with holddown spring（3）, holddown spring（3）With rear buffering drainage screen（2）Mutually push up, after making Buffering drainage screen（2）By housing（5）Interior adsorbate（4）Compress.

5. it is according to claim 2 it is a kind of with buffering drainage screen air drier, it is characterised in that front buffering drainage screen （6）Including front stainless steel filtering net（61）, front rubber buffer ring（62）And seal boss（63）, front stainless steel filtering net（61）By sulfur Change buffers drainage screen before being embedded in（6）Bottom, front rubber buffer ring（62）With seal boss（63）It is seamlessly connected together so that Stainless steel filtering net, front rubber buffer ring（62）And seal boss（63）Form an entirety.

6. it is according to claim 5 it is a kind of with buffering drainage screen air drier, it is characterised in that front rubber buffer ring （62）For open circles tubulose, seal boss（63）For annular shape, and seal boss（63）Bore be more than front rubber buffer ring （62）Bore.