CN112879791B - Automatic drainer shell structure - Google Patents
Automatic drainer shell structure Download PDFInfo
- Publication number
- CN112879791B CN112879791B CN202110147082.2A CN202110147082A CN112879791B CN 112879791 B CN112879791 B CN 112879791B CN 202110147082 A CN202110147082 A CN 202110147082A CN 112879791 B CN112879791 B CN 112879791B
- Authority
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- China
- Prior art keywords
- cover
- transparent cover
- wall
- drainer
- rubber
- 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.)
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Links
- 238000007789 sealing Methods 0.000 claims abstract description 20
- 230000000694 effects Effects 0.000 claims abstract description 16
- 230000001681 protective effect Effects 0.000 claims description 40
- 238000002955 isolation Methods 0.000 claims description 29
- 230000003139 buffering effect Effects 0.000 claims description 5
- 238000005266 casting Methods 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000008878 coupling Effects 0.000 abstract description 2
- 238000010168 coupling process Methods 0.000 abstract description 2
- 238000005859 coupling reaction Methods 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 15
- 239000002184 metal Substances 0.000 description 14
- 229910052751 metal Inorganic materials 0.000 description 14
- 238000009434 installation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16T—STEAM TRAPS OR LIKE APPARATUS FOR DRAINING-OFF LIQUIDS FROM ENCLOSURES PREDOMINANTLY CONTAINING GASES OR VAPOURS
- F16T1/00—Steam traps or like apparatus for draining-off liquids from enclosures predominantly containing gases or vapours, e.g. gas lines, steam lines, containers
- F16T1/38—Component parts; Accessories
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
Abstract
The application relates to an automatic drainer shell structure relates to the technical field of drainers, and it includes drainer body, upper cover and lower cover, the lower cover includes transparent cover and safety cover, the upper end port department of transparent cover is provided with rubber seal, the upper end port of transparent cover passes through rubber seal and drainer body sealing connection, the transparent cover is installed in the safety cover, the upper end port and the drainer body coupling of safety cover are provided with a plurality of observation grooves that run through the setting on the safety cover. The application has the effect of being convenient for the staff to look over the inside ponding condition of lower cover.
Description
Technical Field
The application relates to the technical field of drainers, in particular to an automatic drainer.
Background
The automatic drainer is generally used for automatically draining condensed water at the lower part of a pipeline, an oil-water separator, a gas tank, the bottoms of various filters and the like, can be arranged at places inconvenient for manually draining sewage, such as high places, low places and narrow places, and can effectively prevent compressed air from being polluted again by the condensed water due to forgetting to drain the manual sewage.
An automatic drain disclosed in the related art, such as the chinese patent with publication number CN206054815U, comprises: the upper part of the middle of the drainer body is provided with a valve seat, the lower cover and the upper cover are respectively provided with a lower water air chamber and an upper water air chamber, the inner wall of the inner top of the upper cover is provided with a convex upright rod, the upper part of the valve seat is provided with a valve plate, the outer ring of the bottom of the valve plate, which is contacted with the valve seat, is provided with a water air channel, a vent pipe penetrates through the valve seat and the drainer body to extend into the lower water air chamber in the lower cover, the outer side of the vent pipe is provided with a lower filter screen, the upper water air chamber is internally provided with an upper filter screen, the valve seat and the drainer body are obliquely provided with a drainage groove channel, the left sides of the drainer body and the valve seat are respectively provided with a vent rod, the left side surface of the lower water air chamber is provided with a manual valve core, and the rubber membrane and the manual valve core are fixedly connected with the lower water air chamber through a cover plate.
In view of the above-mentioned related art, the present inventors believe that accumulated water generated by pressurization in the automatic drain mainly falls in the lower cover, and once blockage occurs, normal use of the whole automatic drain is affected, and in normal use, high-temperature steam can cause the inside of the housing to be in a high-pressure and high-temperature environment when being introduced into the automatic drain, in order to prevent deformation of the housing, the drain body and the lower cover are generally made of cast iron, so that workers hardly observe the accumulated water condition inside the lower cover, and improvement is needed.
Disclosure of Invention
In order to improve the problem that staff can't look over the inside ponding condition of lower cover, this application provides an automatic drainer shell structure.
The application provides an automatic drainer shell structure adopts following technical scheme:
the utility model provides an automatic drainer shell structure, includes drainer body, upper cover and lower cover, the lower cover includes transparent cover and safety cover, the upper end port department of transparent cover is provided with rubber seal, the upper end port of transparent cover passes through rubber seal and drainer body sealing connection, the transparent cover is installed in the safety cover, the upper end port and the drainer body coupling of safety cover are provided with a plurality of observation grooves that run through the setting on the safety cover.
Through adopting above-mentioned technical scheme, utilize the transparent cover to make the staff can audio-visual inside of seeing the drainer, utilize the safety cover can play the effect of protection transparent cover, utilize the safety cover can avoid the transparent cover to warp because receiving the impact and damage, utilize the observation groove to make the staff can see the inside of transparent cover through the safety cover, utilize rubber seal can ensure the leakproofness between transparent cover and the drainer body, avoid the ponding to ooze outside the transparent cover.
Optionally, a grid mesh is arranged in the observation groove, the grid mesh and the protective cover are integrally formed, and the protective cover is made of metal materials through casting.
Through adopting above-mentioned technical scheme, when the transparent cover adopts glass material to make, the effect of protection can be played to the grid net, when the transparent cover breaks because internal pressure is too high, utilize the grid net can prevent broken piece everywhere and scatter, when the transparent cover adopts plastic materials to make, the grid net can play the effect of reducing the deflection, when the transparent cover takes place to warp because inside temperature is too high, utilize the grid net can avoid the transparent cover to be close to the outside bulge by a wide margin of position of observation groove.
Optionally, be provided with the joint that meets with the lower cover on the outer wall of drainer body, be provided with the stopper that a plurality of ways encircle the axis circumference of joint and arrange on the outer wall of joint, be provided with the fixture block that a plurality of ways encircle the axis circumference of safety cover on the inner wall of safety cover, when the lower cover was installed on the drainer body, the open end of transparent cover supports tightly with the lower terminal surface of joint, the top of transparent cover supports tightly with the inner wall of safety cover, each fixture block respectively with each stopper joint.
Through adopting above-mentioned technical scheme, when the lower cover of needs assembly, at first install the translucent cover on the joint, then cover the translucent cover with the safety cover to make the open end cover of safety cover establish on the joint, at this moment, at first make the fixture block wear to establish the clearance between two stopper that arbitrary adjacent set up, then rotate the safety cover, make each fixture block all be located between stopper and the drainer lower surface, thereby make the installation that the safety cover can be stable on the drainer body, at this moment, utilize the safety cover can also play the effect of bearing translucent cover.
Optionally, the lower terminal surface of joint is provided with the sealing ring, the up end of rubber seal is provided with the annular seal groove that is used for supplying the sealing ring to inlay to establish, the lower terminal surface of rubber seal is provided with useful annular movable groove, the upper end port of transparent cover inserts and locates annular movable inslot.
Through adopting above-mentioned technical scheme, utilize the cooperation between sealing ring and the annular seal groove, can increase the area of contact between joint and the rubber seal for the leakproofness between the two is better, utilizes the cooperation between annular movable groove and the translucent cover, makes the interval between translucent cover and the joint finely tune, reduces the installation requirement.
Optionally, the inside of safety cover is provided with the rubber buffer, the rubber buffer sets up in the bottom of safety cover, the rubber buffer supports tightly with the outer wall of transparent cover and sets up.
Through adopting above-mentioned technical scheme, when the inside atmospheric pressure of drainer was too big, the inside atmospheric pressure of drainer can promote the translucent cover and move down, and at this moment, utilizes the rubber buffer pad can play the effect of buffering, avoids the translucent cover to take place rigid collision with the safety cover.
Optionally, be provided with a plurality of rubber isolation strips on the inner wall of safety cover, each rubber isolation strip ring is being overlapped the axis circumference of safety cover and is arranged, each rubber isolation strip all with the laminating of the outer wall of transparent cover setting.
Through adopting above-mentioned technical scheme, utilize the rubber isolation strip can avoid safety cover and transparent cover direct contact, avoid transparent cover and safety cover to take place to cut and scratch, ensure transparent cover surface smoothness, simultaneously, utilize the rubber isolation strip can also play certain cushioning effect.
Optionally, the protection cover includes a plurality of arc sheetmetals, each arc sheetmetal one end and drainer body rotate to be connected, each arc sheetmetal and drainer body rotate the pivot of being connected and all mutually perpendicular with the axis of transparent cover, each arc sheetmetal keeps away from separable connection between the one end of drainer body.
Through adopting above-mentioned technical scheme, when needs utilize the safety cover to cover the transparent cover, only need install the transparent cover in joint department, then make the lower extreme of each arc sheetmetal link together with constituteing complete safety cover can, because the safety cover links together with the drainer body, therefore, when needs dismouting transparent cover, the staff need not to drag thick and heavy safety cover, effectively improves maintenance safety.
Optionally, each arc metal sheet still is provided with the gag lever post on the surface, the gag lever post is located the arc metal sheet and keeps away from the one end of drainer body, each the one end that the arc metal sheet was kept away from to the gag lever post is provided with spacing arch, spacing arch is located the gag lever post and keeps away from on the side of translucent cover axis, the safety cover still includes the go-between with detachable connection of each arc metal sheet, the go-between cover is established on each gag lever post, the go-between is located between gag lever post and the spacing arch.
Through adopting above-mentioned technical scheme, utilize the go-between to entangle each gag lever post for the go-between can be in the same place each gag lever post hooping, thereby reaches the effect of connecting each arc sheetmetal lower extreme, utilizes spacing arch can prevent that the stop collar from directly dropping under the effect of gravity.
Optionally, the connecting ring is provided with a plurality of spacing holes corresponding to the shapes, the numbers and the positions of the spacing bulges of each piece one by one, each connecting ring is also provided with a mounting hole communicated with each spacing hole, and the connecting ring is mounted between the spacing bulges and the arc-shaped metal pieces in a rotary clamping manner.
Through adopting above-mentioned technical scheme, when the dismouting go-between is needed, only need rotate the go-between in order to make each spacing hole align with each spacing ring respectively, then take the go-between to remove along the axis of transparent cover can the simple dismouting go-between.
In summary, the present application includes at least one of the following beneficial technical effects:
the staff can intuitively check the ponding condition in the lower cover, so that the blockage problem can be found out in time, and the timely overhaul is facilitated;
the transparent cover is not leaked in use, so that the use safety is effectively ensured, and potential safety hazards are not generated;
simple structure, simple to operate can utilize current automatic drainer to reform transform and use.
Drawings
FIG. 1 is a front view of an automatic drain housing structure according to an embodiment of the present application;
FIG. 2 is a schematic cross-sectional view of an automatic drain housing structure according to a first embodiment of the present application;
FIG. 3 is a schematic view of a lower cover according to a first embodiment of the present application;
FIG. 4 is an enlarged schematic view of portion A of FIG. 2;
FIG. 5 is a schematic view showing the installation of a protective cover according to the first embodiment of the present application;
FIG. 6 is a schematic view showing the internal structure of a protective cover according to the first embodiment of the present application;
FIG. 7 is a schematic view showing the internal structure of a protective cover according to a second embodiment of the present application;
FIG. 8 is a front view of an automatic drain housing structure according to a third embodiment of the present application;
FIG. 9 is a schematic illustration of the use of an automatic drain housing structure according to a third embodiment of the present application;
fig. 10 is a partially enlarged schematic view of B in fig. 9.
Reference numerals: 1. a drain body; 11. a joint; 111. a seal ring; 112. a limiting block; 2. an upper cover; 3. a lower cover; 31. a transparent cover; 32. a protective cover; 321. an observation groove; 322. a grid mesh; 323. a clamping block; 324. isolation bumps; 325. a relief groove; 326. a rubber cushion pad; 327. a connecting groove; 33. a rubber seal ring; 331. an annular seal groove; 332. an annular movable groove; 34. rubber isolating strips; 35. an arc-shaped metal sheet; 351. a limit rod; 352. a limit protrusion; 36. a connecting ring; 361. a mounting hole; 362. and a limiting hole.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-10.
Embodiment one:
the embodiment of the application discloses an automatic drainer shell structure. Referring to fig. 1, the housing structure includes a drainer body 1, an upper cover 2 and a lower cover 3, wherein the lower end of the upper cover 2 is provided with an opening, the upper cover 2 is in sealing connection with the upper end of the drainer body 1, and the lower cover 3 is in sealing connection with the lower end of the drainer body 1.
Referring to fig. 2 and 3, the lower cover 3 includes a transparent cover 31, a protection cover 32, and a rubber packing 33, the joint 11 is provided on the lower surface of the drainer body 1, the packing is provided between the transparent cover 31 and the joint 11, and the protection cover 32 covers the transparent cover 31 and is connected to the joint 11; wherein, be provided with a plurality of observation grooves 321 that run through the setting on the safety cover 32, each observation groove 321 is arranged around the axis circumference equidistance of safety cover 32 and is set up.
Wherein, a grid mesh 322 is arranged in each observation groove 321, the grid mesh 322 and the protective cover 32 are integrally formed, and the protective cover 32 is formed by casting metal materials; when the transparent cover 31 is deformed due to overheating, the transparent cover 31 is prevented from being directly bulged by the grill net 322, and when the transparent cover 31 is made of a glass material in order to improve the high temperature deformation resistance of the transparent cover 31, at this time, if the transparent cover 31 is exploded due to the excessive air pressure, a certain interception effect can be achieved by the grill net 322.
Referring to fig. 4, a seal ring 111 is provided at the lower end of the joint 11, the seal ring 111 is integrally formed with the joint 11, and the seal ring 111 is provided in a circular cross section; wherein, be provided with annular seal groove 331 at the up end of rubber seal 33, annular seal groove 331, the cross section of annular seal groove 331 is the circle shape setting, and when rubber seal 33 installed on joint 11, sealing ring 111 can block and locate annular seal groove 331. When the seal ring 111 is connected to the rubber seal ring 33, the lower end face of the joint 11 is bonded to the upper end face of the rubber seal ring 33, and the seal ring 111 is fitted in the annular seal groove 331, so that the joint strength and the sealing property between the joint 11 and the rubber seal ring 33 can be increased by the fit between the seal ring 111 and the annular seal groove 331.
Referring to fig. 4, an annular movable groove 332 is provided on the lower end surface of the rubber seal 33, the ends of the annular movable groove 332 are connected, and the axis of the annular movable groove 332 coincides with the axis of the rubber seal 33, and when the transparent cover 31 is connected with the rubber seal 33, only the upper end opening of the transparent cover 31 needs to be inserted into the annular movable groove 332.
Referring to fig. 5, a plurality of limiting blocks 112 are arranged on the outer wall of the joint 11, each limiting block 112 is circumferentially and equidistantly arranged around the axis of the joint 11, gaps are reserved between the upper side of each limiting block 112 and the lower surface of the drainer body 1, a plurality of clamping blocks 323 are arranged on the inner wall of the protective cover 32, each clamping block 323 is circumferentially and equidistantly arranged around the axis of the protective cover 32, and the number of each clamping block 323 is consistent with that of each limiting block 112; the gap between the position block and the lower surface of the drainer body 1 is the same as the thickness of the clamping block 323, when the protective cover 32 needs to be installed, the opening of the protective cover 32 moves upwards, so that the opening of the protective cover 32 can be sleeved with the joint 11, at the moment, the clamping blocks 323 and the limiting blocks 112 are staggered with each other, the protective cover 32 is pushed to move upwards continuously until the clamping blocks 323 penetrate between any two limiting blocks 112 which are adjacently arranged, the clamping blocks 323 are attached to the lower surface of the drainer body 1, and finally the protective cover 32 is rotated, so that the upper surface and the lower surface of the clamping blocks 323 are attached to the drainer body 1 and the limiting blocks 112 respectively.
Referring to fig. 6, a rubber cushion 326 and isolation protrusions 324 are provided inside the protective cover 32, the rubber cushion 326 is provided in the bottom of the protective cover 32, the isolation protrusions 324 are provided with a plurality of channels, and each channel of isolation protrusions 324 is circumferentially and equidistantly arranged around the axis of the protective cover 32; when the protective cover 32 covers the transparent cover 31 and is connected with the joint 11, the outer wall of the transparent cover 31 is attached to each isolation protrusion 324, and the bottom of the transparent cover 31 abuts against the rubber cushion pad 326.
Wherein, all be provided with the groove 325 of stepping down in the upper end of each way isolation protrusion 324, the groove 325 of stepping down is located isolation protrusion 324 and is close to one side of safety cover 32 axis, when lower cover 3 installs on joint 11, the outer fringe of rubber seal 33 can stretch into the groove 325 of stepping down, at this moment, the upper end of each way isolation protrusion 324 all closely laminates with the surface of rubber seal 33, utilize isolation protrusion 324 can also cause the extrusion to rubber seal 33 for the connection between rubber seal 33 and the transparent cover 31 is inseparabler.
When the internal air pressure of the drainer is too large, the transparent cover 31 can move towards the direction away from the drainer body 1 due to the influence of air pressure, so that the volume of the space formed by enclosing the lower cover 3 and the drainer body 1 is increased, and the effect of buffering air pressure is achieved, at the moment, the rubber buffer cushion 326 can deform due to extrusion of the transparent cover 31, interference between the transparent cover 31 and the protective cover 32 is avoided, when the internal air pressure of the drainer is increased for a small time, the rubber buffer cushion 326 can reset, so that the transparent cover 31 is pushed towards the direction of the drainer body 1, the transparent cover 31 resets, at the moment, the volume of the space formed by enclosing the transparent cover 31 and the drainer body 1 is reduced, and the pressurizing effect is achieved, so that water vapor in the drainer is easier to condense into water.
The implementation principle of the shell structure of the automatic water drain device in the embodiment of the application is as follows:
when the lower cover 3 is required to be mounted, the transparent cover 31 is only required to be placed in the protective cover 32, then the rubber sealing ring 33 is mounted on the joint 11, finally the protective cover 32 is connected with the joint 11, and the upper end opening of the transparent cover 31 is connected with the rubber sealing ring 33.
Example 2:
referring to fig. 7, the present embodiment is different from embodiment 1 in that a rubber cushion pad 326 and an isolation protrusion 324 are not provided inside the protective cover 32, a plurality of rubber isolation strips 34 are provided inside the protective cover 32, each rubber isolation strip 34 is circumferentially arranged around the axis of the protective cover 32, and the lower end of each rubber isolation strip 34 extends into the bottom of the protective cover 32, so that the lower end of each rubber isolation strip 34 can be bent toward the axis direction of the protective cover 32.
Wherein, all set up a plurality of linking grooves 327 on the inner wall of protective cover 32, each linking groove 327 all surrounds the axis circumference equidistance of protective cover 32 and arranges, all is provided with the connecting strip of inlaying in linking groove 327 on the side of each rubber isolation strip 34 and the laminating of protective cover 32 inner wall.
Compared with the first embodiment, when the transparent cover 31 is installed in the protective cover 32, the rubber isolation strip 34 can play a role in protection, so that when the transparent cover 31 receives the air pressure to move up and down, the rubber isolation strip 34 plays a role in buffering and resetting, and meanwhile, the outer wall of the transparent cover 31 can be placed to scratch, so that the outer wall of the transparent cover 31 is ensured not to scratch.
Example 3:
referring to fig. 8 and 9, the difference between the present embodiment and embodiment 1 is that the protection cover 32 includes a plurality of arc-shaped metal sheets 35, the upper end of each arc-shaped metal sheet 35 is rotatably connected with the outer wall of the joint 11, the axis of the rotation shaft between each arc-shaped metal sheet 35 and the joint 11 is perpendicular to the axis of the joint 11, and one end of each arc-shaped metal sheet 35 far away from the joint 11 is detachably connected.
Referring to fig. 9 and 10, a limiting rod 351 is disposed on a side surface of each arc-shaped metal sheet 35 far from the axis of the joint 11, each limiting rod 351 is disposed on one end of each arc-shaped metal sheet 35 far from the joint 11, and the cross sections of each limiting rod 351 are all fan-shaped, when the arc-shaped metal sheets 35 are folded together to form a complete protective cover 32, each limiting rod 351 can be combined to form a cylindrical rod; wherein, still be provided with spacing arch 352 on the one end that each gag lever post 351 kept away from the axis, each spacing arch 352 sets up respectively on the arcwall face of gag lever post 351.
Referring to fig. 9 and 10, the lower cover 3 further includes a connection ring 36, a mounting hole 361 having an inner diameter identical to an outer diameter of a cylindrical rod formed by combining the stop rods 351 is provided on the connection ring 36, a plurality of stop holes 362 are provided on a peripheral side of the mounting hole 361, and shapes, numbers and positions of the stop holes 362 are respectively in one-to-one correspondence with the stop protrusions 352.
Compared with the first embodiment, when the transparent cover 31 needs to be installed, the transparent cover 31 is first connected with the rubber sealing ring 33, then the arc-shaped metal sheets 35 are folded to form the protection cover 32 covering the transparent cover 31 in a combined mode, at this time, the limiting rods 351 are combined to form cylindrical rods, then the connecting ring 36 is aligned to the limiting protrusions 352, so that the limiting protrusions 352 can respectively penetrate through the limiting holes 362, and finally the connecting ring 36 is rotated, so that the limiting holes 362 can respectively stagger with the limiting protrusions 352.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (3)
1. The utility model provides an automatic drainer shell structure, includes drainer body (1), upper cover (2) and lower cover (3), its characterized in that: the lower cover (3) comprises a transparent cover (31) and a protective cover (32), a rubber sealing ring (33) is arranged at the upper end port of the transparent cover (31), the upper end port of the transparent cover (31) is connected with the drainer body (1) in a sealing way through the rubber sealing ring (33), the transparent cover (31) is arranged in the protective cover (32), the upper end port of the protective cover (32) is connected with the drainer body (1), a plurality of observation grooves (321) penetrating the protective cover (32) are arranged on the protective cover (32), a sealing ring (111) is arranged on the outer wall of the drainer body (1), an annular sealing groove (331) for the sealing ring (111) to be embedded is arranged on the upper end surface of the rubber sealing ring (33), an annular movable groove (332) is arranged on the lower end surface of the rubber sealing ring (33), a plurality of rubber isolation strips (34) are arranged on the inner wall of the protective cover (32), the rubber isolation strips (34) are sleeved on the inner wall of the protective cover (32) in a circumferential direction, the rubber isolation strips (34) are all arranged on the outer wall of the protective cover (32) in a matching way, make the lower extreme of each rubber isolation strip (34) all can set up towards the crooked axis direction of safety cover (32), all set up a plurality of spread grooves (327) on the inner wall of safety cover (32), each spread groove (327) all is arranged around the axis circumference equidistance of safety cover (32), all be provided with on the side of each rubber isolation strip (34) and the laminating of safety cover (32) inner wall and inlay the spread groove (327) in, when the inside atmospheric pressure of drainer is too big, transparent cover (31) can be because of atmospheric pressure influence and the orientation removal of keeping away from drainer body (1) for space volume that lower cover (3) and drainer body (1) enclose and form increases, thereby reach the effect of buffering atmospheric pressure, when transparent cover (31) are installed in safety cover (32), the effect of protection can be played through rubber isolation strip (34), make transparent cover (31) receive atmospheric pressure effect when reciprocate, rubber isolation strip (34) not only play buffering effect that resets, simultaneously can prevent that transparent cover (31) from taking place transparent cover (31) the emergence scratch, transparent cover (31) can be guaranteed.
2. An automatic drain housing structure according to claim 1, wherein: the observation groove (321) is internally provided with a grid mesh (322), the grid mesh (322) and the protection cover (32) are integrally formed, and the protection cover (32) is made of a metal material through casting.
3. An automatic drain housing structure according to claim 1, wherein: the utility model discloses a drainage device, including drainer body (1), lower cover (3) and cover (3) are provided with on the outer wall of drainer body (1) connect (11), be provided with on the outer wall of connect (11) a plurality of stopper (112) of arranging around the axis circumference of connecting (11), be provided with on the inner wall of safety cover (32) a plurality of fixture blocks (323) of arranging around the axis circumference of safety cover (32), when lower cover (3) are installed on drainer body (1), the lower terminal surface of the open end of transparent cover (31) and connect (11) supports tightly, the top of transparent cover (31) supports tightly with the inner wall of safety cover (32), each fixture block (323) respectively with stopper (112) joint that corresponds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110147082.2A CN112879791B (en) | 2021-02-03 | 2021-02-03 | Automatic drainer shell structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110147082.2A CN112879791B (en) | 2021-02-03 | 2021-02-03 | Automatic drainer shell structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112879791A CN112879791A (en) | 2021-06-01 |
| CN112879791B true CN112879791B (en) | 2024-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110147082.2A Active CN112879791B (en) | 2021-02-03 | 2021-02-03 | Automatic drainer shell structure |
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| CN (1) | CN112879791B (en) |
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