CN202090425U - Large-flow complete-enclosed deodorization easily-cleaning floor drain - Google Patents
Large-flow complete-enclosed deodorization easily-cleaning floor drain Download PDFInfo
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- CN202090425U CN202090425U CN2011201303075U CN201120130307U CN202090425U CN 202090425 U CN202090425 U CN 202090425U CN 2011201303075 U CN2011201303075 U CN 2011201303075U CN 201120130307 U CN201120130307 U CN 201120130307U CN 202090425 U CN202090425 U CN 202090425U
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- floor drain
- tube core
- enclosed
- cavity
- drain
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Abstract
The utility model discloses a large-flow complete-enclosed deodorization easily-cleaning floor drain, which comprises a floor drain main body and a floor drain cover. The floor drain main body is provided with a concave cavity. The floor drain cover is installed at the upper edge of the concave cavity of the floor drain main body through a movably-connecting structure. The large-flow complete-enclosed deodorization easily-cleaning floor drain further comprises an installation cavity body, a tube core, an enclosed cover and a restoration mechanism. The installation cavity body can be detachably installed in the concave cavity of the floor drain main body and provided with an inner cavity for installing the tube core. The tube core is in a tube structure, the interior of the tube forms a water drain hole which is communicated with a water drain pipeline and a lower hole edge of the water drain hole serves as a water drain port of the tube core. The restoration mechanism is connected with the enclosed cover and blocks the enclosed cover to the water drain port. Drained water passes through the water drain hole and opens the enclosed cover through gravity action of itself and then flows in the water drain pipeline, and the enclosed cover restores an initial state under restoring force of the restoration mechanism. The large-flow complete-enclosed deodorization easily-cleaning floor drain can drain water massively, realizes automatic opening-closing control of the water drain port, prevents harmful gas and mosquitoes from entering a room and is easy to be dismounted to be cleaned.
Description
Technical field
The utility model relates to the employed drainage element of drainage system in a kind of building field, particularly a kind of floor drain.
Background technology
The drainage element that drainage system adopted in building field mainly is a floor drain, and it is the important interface that connects sewerage system and flooring.The purposes of floor drain is to get rid of the surface water, simultaneously the solids in the water, fibre object, hair, easy deposit etc. is filtered, and has the effect that prevents that drainage pipe from stopping up.
Floor drain is as the vitals of drainage system in the dwelling house, and its performance quality directly influences the indoor environmental hygiene quality.Yet existing floor drain only has drain function, and along with improving constantly of people's living standard, this simple function can't satisfy the growing demand of people.Particularly, there is following defective in existing floor drain: (1) only is applicable to the situation that displacement is less, if displacement is bigger, the spilling water phenomenon can appear in existing floor drain; (2) it is indoor to prevent that the interior pernicious gas of drainage pipe is dispersed into, and causes room air pollution easily; (3) mosquito can enter different residences via floor drain by drainage pipe, has not only produced the safe and sanitary problem, and floor drain becomes the passage that mosquito carries out transmission; (4) floor drain need regularly clean to prevent obstruction, and still, the structure of existing floor drain but is not easy to unpick and wash.
The utility model content
The purpose of this utility model is to provide a kind of deodorization insect protected, easily removable and washable and be applicable to the totally-enclosed deodorization easy cleaning of the big current floor drain of big displacement.
The purpose of this utility model realizes by following technical measures: the totally-enclosed deodorization easy cleaning of a kind of big current floor drain, comprise the floor drain body and the drain cover that are used to be installed in drainage pipe and flooring interface, described floor drain body has cavity, the bottom surface of this cavity has opening, have leaking hole on the described drain cover, described drain cover is installed in the upper limb of described floor drain body cavity by movable connection structure, it is characterized in that also comprising the installation cavity, tube core and capping, described installation cavity detachably is installed in the cavity of described floor drain body and extends outside the described opening, described installation cavity has the inner chamber that is used for the installation tube core, the outer wall of the sidewall of this inner chamber and described tube core closely cooperates, described tube core is a tubular construction, the inside of described cylindrical shell constitutes the drain hole that communicates with drainage pipe, the following peritreme of described drain hole is as the outfall of tube core, and it is external that described tube core extends described installation cavity; Also comprise resetting-mechanism, described resetting-mechanism is connected with described capping and described capping top is got lodged in described outfall; Draining is flowed through and is flowed in the drainage pipe after drain hole relies on impact force and action of gravity to open capping, is sealed on reinstatement under the restoring force effect of resetting-mechanism.
The utility model adopts resetting-mechanism, can make and be sealed under the draining action of gravity opening water discharge mouth and rely on resetting-mechanism to close outfall, realized automatic open and close control to capping, not only applicable to the big situation of displacement, and avoided the pernicious gas in the drainage pipe to be dispersed into indoor, prevent to have kept indoor sanitation of environment in the mosquito inlet chamber; Adopt detachable connection between each parts of the present utility model, therefore dismounting easily is convenient to clean; The inner barrel of the utility model tube core is drain hole, and drainage space is big, can realize big flow draining, has solved the defective that existing floor drain is easy to spilling water.
As a kind of embodiment of the present utility model, described tube core mainly is formed by connecting by the link on top and the cylindrical shell of bottom, and described drain hole promptly is made of the inside of the bottom cylindrical shell of described core; The link of described tube core is provided with flange, and the intracavity sidewall of described installation cavity is provided with boss, and described flange is positioned on the described boss.
As a kind of improvement of the present utility model, between described tube core and installation cavity, be provided with retaining mechanism, described retaining mechanism comprises groove and raised line, described groove is arranged on the sidewall of described installation cavity intracoelomic cavity and is positioned at the below of described boss, described raised line is located on the outer wall of described bottom cylindrical shell and is positioned at the below of described flange, described groove is formed by upper grooves and lower recess connection, the junction of described upper grooves and lower recess forms the inclined-plane, described upper grooves and described raised line are suitable, the notch bore of described lower recess greater than the size of described raised line so that the tube core in cavity is installed during rotation raised line can be installed in the upper grooves or move into removal behind the lower recess through lower recess from upper grooves.
In the time of on the tube core being installed in the installation cavity, the rotating cylinder core, raised line enters the upper grooves from lower recess, the tube core is locked at installs on the cavity; When the tube core is removed from cavity is installed, reverse rotation tube core, raised line enters the lower recess from upper grooves, can realize disassembly, cleaning.
As embodiment of the present utility model, described resetting-mechanism comprises lead, pilot hole and magnet, described lead is at least a pair of, and described pilot hole is made of the body on the bottom cylinder inboard wall that vertically is arranged on described tube core, and described lead is actively plugged in the described pilot hole; Described magnet is at least two groups, every group of magnet that comprises that pair of magnetic is different, and one of them magnet is positioned at the top of described pilot hole, be upper magnet, another magnet is fixed on the top of described lead, is the next magnet, and described upper magnet is relative up and down with the next magnet; Described capping is connected with the bottom of described lead.
Pilot hole described in the utility model is made up of two sections up big and down small concentric pylones, and these two sections concentric pylone binding sites form positioning boss, and described upper magnet is installed on the described positioning boss.
The sewage of arranging in order to prevent enters in the resetting-mechanism, as a kind of improvement of the present utility model, the totally-enclosed deodorization easy cleaning of described big current floor drain comprises that also connecting glue blocks up, stifled mainly being blocked up by connection strap and at least one pair of glue of described connection glue formed, described glue is stifled to be connected in aggregates by connection strap, described glue is stifled to be arranged on the last peritreme place of described pilot hole and with the pilot hole shutoff, and described glue blocks up the top that is positioned at described upper magnet.
In order to reduce resistance of water drainage, the utility model is done following improvement, and the end face of described capping is a taper surface, and this taper surface is met to the draining water (flow) direction; The stifled end face of described glue is a taper surface, and this taper surface is met to the draining water (flow) direction, and the shape of described connection strap cross section is streamlined.
The utility model can also be done following improvement, described movable connection structure adopts the buckle syndeton, described buckle syndeton comprises grab and draw-in groove, described grab is arranged on the bottom surface periphery of described drain cover, described grab has hook portion, described draw-in groove is located at the upper limb circumference of described floor drain body cavity, and the hook portion of described grab is fastened in the described draw-in groove.
As embodiment of the present utility model, adopt screw connection structure between the bottom of described capping and described lead.
As preferred implementation of the present utility model, the aperture of described pilot hole evenly distributes by circumference on the end face of described tube core bottom cylindrical shell; The equal flare of link of the top of described installation cavity and described tube core, the inner face that the cavity top promptly is installed is the inclined-plane with an inner face of core link, the top of described installation cavity is fastened on the opening mouth of described floor drain body along last, and the below that the link of described tube core is positioned at described installation cavity top makes the overall formation in described two inclined-planes be beneficial to discharge structure.
As a kind of improvement of the present utility model, the peripheral ring set of described installation cavity has the location snap ring, the inner ring surface of described location snap ring has internal thread, the outer wall top of described installation cavity is provided with external screw thread, described internal and external screw thread is suitable, described location snap ring is positioned at the below of described floor drain body, and the interior ring edge of described location snap ring is positioned at the opening part of described floor drain body.
Compared with prior art, the utlity model has following significant effect:
(1) the utility model adopts resetting-mechanism, can make and be sealed under the draining action of gravity opening water discharge mouth and rely on resetting-mechanism to close outfall, realized automatic open and close control to capping, thereby avoided the pernicious gas in the drainage pipe to be dispersed into indoor, can also prevent to have kept indoor sanitation of environment in the mosquito inlet chamber.
(2) drain hole of the present utility model is the inner barrel of a core, so drainage space is big, is applicable to the situation that displacement is big, has avoided the spilling water phenomenon that existing floor drain occurred.
(3) each building block of the present utility model is detachable installation, therefore dismounting easily, and it is convenient to clean.
(4) resetting-mechanism of the present utility model adopts the magnetic force controlling organization, and operating principle tube list is easy to realize.
(5) the utility model is formed structure tube list, compact conformation, practical, can be widely used in various occasions such as residential houses, office space.
Description of drawings
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Fig. 1 is a structure assembling schematic diagram of the present utility model;
Fig. 2 is a sectional view of the present utility model.
The specific embodiment
As shown in Figure 1, 2, it is the totally-enclosed deodorization easy cleaning of a kind of big current of the utility model floor drain, comprise the floor drain body 1 and the drain cover 2 that are used to be installed in drainage pipe and flooring interface, floor drain body 1 has cavity 11, the bottom surface of this cavity 11 has opening, have leaking hole 21 on the drain cover 2, drain cover 2 is installed in the upper limb of floor drain body 1 cavity 11 by movable connection structure, and the end face of drain cover 2 is concordant with the end face of floor drain body 1.In the present embodiment, this movable connection structure adopts the buckle syndeton, comprises grab 22 and draw-in groove 12, grab 22 is arranged on the bottom surface periphery of drain cover 2, grab 22 has hook portion, and draw-in groove 12 is located at the upper limb circumference of floor drain body 1 cavity 11, and the hook portion of grab 22 is fastened in the draw-in groove 12.
Also comprise cavity 3 is installed, tube core 4 and capping 8, install in the cavity 11 that cavity 3 detachably is installed in floor drain body 1 and extend outside the opening of floor drain body 1, the top that cavity 3 is installed is fastened on the opening mouth of floor drain body 1 along last, at the peripheral ring set that cavity 3 is installed location snap ring 50 is arranged, the inner ring surface of location snap ring 50 has internal thread, the outer wall top that cavity 3 is installed is provided with external screw thread, in, the suitable location snap ring 50 that makes of external screw thread will be installed cavity 3 location, location snap ring 50 is positioned at the below of floor drain body 1, and the interior ring edge of location snap ring 50 is positioned at the opening part of floor drain body 1, the interior collar extension footpath of location snap ring 50 is identical with the caliber size of floor drain body 1 opening, use dismantling device will locate snap ring 50 for convenience and separate with cavity 3 is installed, the periphery of location snap ring 50 is provided with lug 51.Cavity 3 is installed is had the inner chamber that is used for installation tube core 4, the sidewall of this inner chamber closely cooperates with the outer wall of tube core 4, tube core 4 mainly is formed by connecting by the link 41 on top and the cylindrical shell 42 of bottom, the inside of cylindrical shell 42 is the drain hole 43 that communicates with drainage pipe, the following peritreme of this drain hole 43 is as the outfall of tube core 4, and the cylindrical shell 42 of bottom extends to be installed outside the cavity 3; The link 41 of tube core is provided with flange, and the intracavity sidewall that cavity 3 is installed is provided with boss, and flange is arranged in and makes a core 4 be installed in installation cavity 3 on the boss.The top of cavity 3 and the equal flare of link of tube core 4 are installed, the inner face on cavity 3 tops and the inner face of tube core 4 links promptly are installed are the inclined-plane, the link of tube core 4 is positioned at the below that cavity 3 tops are installed makes the overall formation in two inclined-planes be beneficial to discharge structure.
Also comprise resetting-mechanism, in the present embodiment, resetting-mechanism adopts the magnetic force controlling organization, comprise lead 5, pilot hole 6 and magnet 7, lead 5 is a pair of, correspondingly, pilot hole 6 also is a pair of, pilot hole 6 is made of the body that vertically is arranged on bottom cylindrical shell 42 inwalls, this body and bottom cylindrical shell one are injection molded, and the aperture of pilot hole 6 is symmetric arrangement on the end face of bottom cylindrical shell 42, and lead 5 is actively plugged in the pilot hole 6, pilot hole 6 is made up of two sections up big and down small concentric pylones, these two sections concentric pylone binding sites form positioning boss, and this positioning boss is positioned at the top of pilot hole 6, and magnet 7 is two groups, every group comprises the different magnet of pair of magnetic 7, one of them magnet 7 is upper magnet, and upper magnet is positioned on the positioning boss, and another magnet 7 is fixed on the top of lead 5, be the next magnet, upper magnet is relative up and down with the next magnet; Capping 8 is pushed up the outfall place that get lodged in tin core 4 by being threaded with capping 8 with the bottom of lead 5.Particularly, the bottom of capping and lead has screwed hole, is installed in the screwed hole by screw 40 capping is connected on the lead.
Between tube core 4 and installation cavity 3, be provided with retaining mechanism, retaining mechanism comprises groove 9 and raised line 10, groove 9 is arranged on the sidewall that cavity 3 inner chambers are installed and is positioned at the below of boss, raised line 10 is located on the outer wall of a core 4 bottom cylindrical shells 42 and is positioned at the below of flange, groove 9 is formed by upper grooves 91 and lower recess 92 connections, upper grooves 91 forms an inclined-plane with the junction of lower recess 92, upper grooves 91 is suitable with raised line 10, the notch bore of lower recess 92 greater than the size of raised line 10 so that tube core 4 in cavity 3 is installed during rotation raised line 10 can be installed in upper grooves 91 in or move into removals behind the lower recess 92 through lower recess 92 from upper grooves 91.
The totally-enclosed deodorization easy cleaning of the big current of the utility model floor drain comprises that also connecting glue blocks up 30, connecting glue stifled 30 mainly is made up of connection strap 31 and at least one pair of glue stifled 32, glue stifled 32 connects in aggregates by connection strap 31, glue stifled 32 is arranged on the last peritreme place of pilot hole 6 and is positioned on the end face of upper magnet, thus with pilot hole 6 shutoff so that draining can't flow in the pilot hole.In order to reduce the resistance of draining, the end face of capping is a taper surface, and this taper surface is met to the draining water (flow) direction, and the stifled end face of glue also is a taper surface, and this taper surface is met to the draining water (flow) direction, and the connection strap cross section be shaped as streamlined.
The course of work of the present utility model is as follows:
(1) reset condition: when need not draining, be sealed on to push up under the attraction force acts between the magnet and get lodged in the outfall place, promptly close outfall, drainage pipe and indoor environment have been completely cut off, both avoided the pernicious gas in the drainage pipe to distribute into indoor, prevented that again mosquito from entering, kept indoor hygienic conditions;
(2) resetting-mechanism duty: sewage enters in the drain hole of a core by the leaking hole on the drain cover, and flow to the capping at outfall place, when the weight of accumulation sewage surpasses attraction force acts between the magnet, under the impact force and action of gravity of draining, capping moves down rapidly, the opening water discharge mouth, sewage flows into drainage pipe from outfall; After sewage flowed out, because magnetic action, the next magnet drove lead and moves up, and made simultaneously to move in the capping to push up again to get lodged on the outfall, thereby had closed outfall.
As other embodiment, pilot hole can be set to three etc. a plurality of, correspondingly, lead, magnet also are set to equal number, the aperture of pilot hole evenly distributes by circumference on the end face of tube core bottom cylindrical shell.
Embodiment of the present utility model is not limited thereto; according to foregoing of the present utility model; ordinary skill knowledge and customary means according to this area; movable connection structure between resetting-mechanism in the utility model, retaining mechanism, floor drain body and the drain cover also has other embodiment; for example resetting-mechanism also can adopt the spring reset structure; therefore do not breaking away under the above-mentioned fundamental technics thought of the utility model prerequisite; the utility model can also be made modification, replacement or the change of other various ways, all drops within the utility model rights protection scope.
Claims (10)
1. the totally-enclosed deodorization easy cleaning of big current floor drain, comprise the floor drain body (1) and the drain cover (2) that are used to be installed in drainage pipe and flooring interface, described floor drain body (1) has cavity (11), the bottom surface of this cavity (11) has opening, have leaking hole (21) on the described drain cover (2), described drain cover (2) is installed in the upper limb of described floor drain body (1) cavity (11) by movable connection structure, it is characterized in that: also comprise cavity (3) is installed, tube core (4) and capping (8), described installation cavity (3) detachably is installed in the cavity (11) of described floor drain body (1) and extends outside the described opening, described installation cavity (3) has the inner chamber that is used for installation tube core (4), the outer wall of the sidewall of this inner chamber and described tube core (4) closely cooperates, described tube core (4) is a tubular construction, the inside of described cylindrical shell constitutes the drain hole (43) that communicates with drainage pipe, the following peritreme of described drain hole (43) is as the outfall of tube core (4), and described tube core (4) extends outside the described installation cavity (3); Also comprise resetting-mechanism, described resetting-mechanism is connected with described capping (8) and described capping (8) top is got lodged in described outfall; Draining is flowed through and is flowed in the drainage pipe after drain hole relies on impact force and action of gravity to open capping, is sealed on reinstatement under the restoring force effect of resetting-mechanism.
2. the totally-enclosed deodorization easy cleaning of big current according to claim 1 floor drain, it is characterized in that: described tube core (4) mainly is formed by connecting by the link (41) on the top cylindrical shell (42) with the bottom, and described drain hole (43) promptly is made of the inside of the bottom cylindrical shell (42) of described tube core (4); The link (41) of described tube core (4) is provided with flange, and the intracavity sidewall of described installation cavity (3) is provided with boss, and described flange is positioned on the described boss.
3. the totally-enclosed deodorization easy cleaning of big current according to claim 1 and 2 floor drain, it is characterized in that: between described tube core (4) and installation cavity (3), be provided with retaining mechanism, described retaining mechanism comprises groove (9) and raised line (10), described groove (9) is arranged on the sidewall of described installation cavity (3) inner chamber and is positioned at the below of described boss, described raised line (10) is located on the outer wall of described bottom cylindrical shell (42) and is positioned at the below of described flange, described groove (9) is formed by upper grooves (91) and lower recess (92) connection, described upper grooves (91) forms the inclined-plane with the junction of lower recess (92), described upper grooves (91) and described raised line (10) are suitable, the notch bore of described lower recess (92) greater than the size of described raised line (10) so that tube core (4) in cavity (3) is installed during rotation raised line (10) can pass through that lower recess (92) is installed in the upper grooves (91) or removal behind upper grooves (91) the immigration lower recess (92).
4. the totally-enclosed deodorization easy cleaning of big current according to claim 1 floor drain, it is characterized in that: described resetting-mechanism comprises lead (5), pilot hole (6) and magnet (7), described lead (5) is at least a pair of, described pilot hole (6) is made of the body on the bottom cylinder inboard wall that vertically is arranged on described tube core (4), and described lead (5) is actively plugged in the described pilot hole (6); Described magnet (7) is at least two groups, every group comprises the different magnet of pair of magnetic (7), one of them magnet (7) is positioned at the top of described pilot hole (6), be upper magnet, another magnet (7) is fixed on the top of described lead (5), be the next magnet, described upper magnet is relative up and down with the next magnet; Described capping (8) is connected with the bottom of described lead (5).
5. the totally-enclosed deodorization easy cleaning of big current according to claim 4 floor drain, it is characterized in that: described pilot hole (6) is made up of two sections up big and down small concentric pylones, these two sections concentric pylone binding sites form positioning boss, and described upper magnet is installed on the described positioning boss.
6. the totally-enclosed deodorization easy cleaning of big current according to claim 5 floor drain, it is characterized in that: the totally-enclosed deodorization easy cleaning of described big current floor drain comprises that also connecting glue blocks up (30), described connection glue stifled (30) mainly is made up of connection strap (31) and at least one pair of glue stifled (32), described glue stifled (32) connects in aggregates by connection strap (31), described glue stifled (32) is arranged on the last peritreme place of described pilot hole (6) and with pilot hole (6) shutoff, and described glue blocks up the top that (32) are positioned at described upper magnet.
7. the totally-enclosed deodorization easy cleaning of big current according to claim 1 floor drain, it is characterized in that: the peripheral ring set of described installation cavity (3) has location snap ring (50), the inner ring surface of described location snap ring (50) has internal thread, the outer wall top of described installation cavity (3) is provided with external screw thread, described internal and external screw thread is suitable, described location snap ring (50) is positioned at the below of described floor drain body (1), and the interior ring edge of described location snap ring (50) is positioned at the opening part of described floor drain body (1).
8. the totally-enclosed deodorization easy cleaning of big current according to claim 1 floor drain, it is characterized in that: described movable connection structure adopts the buckle syndeton, described buckle syndeton comprises grab (22) and draw-in groove (12), described grab (22) is arranged on the bottom surface periphery of described drain cover (2), described grab (22) has hook portion, described draw-in groove (12) is located at the upper limb circumference of described floor drain body (1) cavity, and the hook portion of described grab (22) is fastened in the described draw-in groove (12).
9. the totally-enclosed deodorization easy cleaning of big current according to claim 3 floor drain, it is characterized in that: the end face of described capping (8) is a taper surface, this taper surface is met to the draining water (flow) direction; The end face of described glue stifled (32) is a taper surface, and this taper surface is met to the draining water (flow) direction, and the shape of described connection strap (31) cross section is streamlined.
10. the totally-enclosed deodorization easy cleaning of big current according to claim 3 floor drain is characterized in that: the aperture of described pilot hole (6) evenly distributes by circumference on the end face of described tube core bottom cylindrical shell (42); The equal flare of link of the top of described installation cavity (3) and described tube core (4), the inner face that cavity (3) top promptly is installed is the inclined-plane with an inner face of core (4) link, the top of described installation cavity (3) is fastened on the opening mouth of described floor drain body (1) along last, and the below that the link of described tube core (4) is positioned at described installation cavity (3) top makes the overall formation in described two inclined-planes be beneficial to discharge structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201303075U CN202090425U (en) | 2011-04-28 | 2011-04-28 | Large-flow complete-enclosed deodorization easily-cleaning floor drain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201303075U CN202090425U (en) | 2011-04-28 | 2011-04-28 | Large-flow complete-enclosed deodorization easily-cleaning floor drain |
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| Publication Number | Publication Date |
|---|---|
| CN202090425U true CN202090425U (en) | 2011-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201303075U Expired - Fee Related CN202090425U (en) | 2011-04-28 | 2011-04-28 | Large-flow complete-enclosed deodorization easily-cleaning floor drain |
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| CN (1) | CN202090425U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108951820A (en) * | 2018-08-15 | 2018-12-07 | 广州璞维建筑技术有限公司 | The floor glue edge pressing structure of floor drain is installed |
| CN115193093A (en) * | 2022-07-13 | 2022-10-18 | 徐子品 | Extraction reaction kettle for chemical industry and extraction method |
-
2011
- 2011-04-28 CN CN2011201303075U patent/CN202090425U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108951820A (en) * | 2018-08-15 | 2018-12-07 | 广州璞维建筑技术有限公司 | The floor glue edge pressing structure of floor drain is installed |
| CN115193093A (en) * | 2022-07-13 | 2022-10-18 | 徐子品 | Extraction reaction kettle for chemical industry and extraction method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111228 Termination date: 20140428 |