CN205896296U - Split type flue gas check valve - Google Patents
Split type flue gas check valve Download PDFInfo
- Publication number
- CN205896296U CN205896296U CN201620915509.3U CN201620915509U CN205896296U CN 205896296 U CN205896296 U CN 205896296U CN 201620915509 U CN201620915509 U CN 201620915509U CN 205896296 U CN205896296 U CN 205896296U
- Authority
- CN
- China
- Prior art keywords
- valve body
- valve
- groove
- inner sleeve
- flue gas
- 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
Abstract
The utility model provides a novel, the easy dismouting of structural design, abluent split type flue gas check valve, which comprises the following components: a valve body. The valve body is for dividing the body structure, just the valve body including be used for with range hood's exhaust port or discharge fume the union coupling first valve body, the third valve body that is used for being connected with the discharge flue, set up in first valve body with be equipped with the second valve body of valve block between the third valve body and on it, first valve body, second valve body, third valve body constitute the carried forward in proper order the valve body.
Description
Technical field
The utility model is related to the fume emission technical field of range hood, and more particularly, to a kind of split type flue gas is non-return
Valve.
Background technology
At present, range hood is one of indispensable electrical equipment of each family, and the range hood in usual family is all by row
Flue to outdoor discharge cooking fume, and when range hood uses and range hood is not when using, if its range hood
The phenomenon that flue gas check (non-return) valve generally occurs that taint of odour, smoke blowing and flue gas flow backwards is not installed, and once flue gas flows backward in kitchen, will
The environment in the environment in kitchen or even whole room all can be able to be impacted；It is to solve the above problems, generally in prior art
Way be range hood discharge flue gas blast pipe on corresponding flue gas check (non-return) valve is installed, solved by flue gas check (non-return) valve
The problem that flue gas flows backwards；But due to the bad environments residing for flue gas check (non-return) valve, once flue gas check (non-return) valve is after a protracted use
Substantial amounts of greasy dirt occurs, and if fruit is not carried out clearly to its greasy dirt on its valve block within flue gas check (non-return) valve and on the inwall of valve body
If removing, its greasy dirt will impact to the flexibility of valve block, secondly, also can affect the sealing between valve block and valve body,
Lead to poorly sealed, lose the effect that flue gas check (non-return) valve should play；Furthermore, existing flue gas check (non-return) valve in an installation its two
The inlet and outlet at end is all to be connected with outside flue and blast pipe by way of being fixedly connected, if which results in
Its flue gas check (non-return) valve is carried out, to be necessary for the connection of flue gas check (non-return) valve and external pipe is removed, and this operation
Abnormal in operation loaded down with trivial details, and to only rely on resident family and voluntarily remove and install be irrealizable it is necessary to please the personage of specialty enter
Row operation, causes great inconvenience to resident family.
Content of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, adapts to reality need, provides a kind of structure design
Split type flue gas check (non-return) valve that is novel, being easy to dismounting, clean.
In order to realize the purpose of this utility model, the technical scheme that the utility model is adopted is:
Design a kind of split type flue gas check (non-return) valve, including valve body；Described valve body is Split type structure, and described valve body includes using
In the first valve body being connected with the exhaust opening or smoke exhaust pipe of range hood, for be connected with smokejack the 3rd valve body, be arranged at
Between described first valve body and described 3rd valve body and which is provided with the second valve body of valve block, described first valve body, the second valve body,
3rd valve body constitutes described valve body after docking successively.
Further, the outer wall of described first valve body and the second valve body is respectively arranged with least two for apply torsion
Turn power, and with regard to the symmetrical projection of described valve axis.
Further, it is respectively arranged with snap fastener at the two ends of described second valve body, described first valve body and described
Three valve bodies are connected with described second valve body by least one described snap fastener respectively.
Further, described snap fastener includes the protrusion card body being arranged on described second valve end madial wall, institute
State protrusion card body horizontally set, and the described inclined inclined-plane in bottom surface protruding card body；Also include protruding respectively be arranged at described
First valve end and the 3rd valve end and the embedded ring bodies in described second valve body can be embedded in；Also include being arranged at
Draw-in groove on the wall of described embedded ring-type external side, described draw-in groove horizontally set, and jagged, institute is set in one end of described draw-in groove
The groove bottom stating draw-in groove is in inclined-plane obliquely；After described first valve body and the 3rd valve body are docked with described first valve body, described
Embedded ring bodies on first valve body and the 3rd valve body is embedded in the one end of described second valve body respectively, described protrusion card body
Entered in described draw-in groove by described breach, and by described first valve body, the second valve body and the 3rd valve body at least
Two carry out rotation and described protrusion card body can be made to be sticked in inside described draw-in groove.
Further, the described bottom surface protruding card body is provided with downward projection of arc fixture block, in described draw-in groove
Groove bottom on be provided with the groove mating with described arc fixture block, in described first valve body, the 3rd valve body and described second valve
After body docking, described arc fixture block can be made to be sticked in described groove by reversing described first valve body and the second valve body.
Further, the two ends in described second valve body are respectively arranged with an engaging being coaxially disposed with this second valve body
Inner ring, is provided with gap between the inwall of described engaging inner ring and described second valve body, and in described first valve body, the 3rd valve body
After docking with described second valve body, the embedded ring bodies on described first valve body, the 3rd valve body be inserted into described second valve body with
In gap between described engaging inner ring；
Further, it is additionally provided with by elastic caoutchouc in the gap in the gap between described engaging inner ring and the second valve body
The flexible gaskets made.
Further, be provided with the end that described first valve body is connected with range hood coaxial with described first valve body
The inner sleeve of setting, gap between the inwall of described inner sleeve and described first valve body constitutes annular groove, for described
The exhaust opening that first valve body connects or the end of smoke exhaust pipe can be embedded in described annular groove.
Further, be arranged at described first valve end inner sleeve be at least two, and all with described first valve body
It is coaxially disposed, and the gap between two neighboring inner sleeve is also constituted for clamping described exhaust opening or smoke exhaust pipe end tube wall
Annular groove.
Further, the end of described inner sleeve extends to the outside of described first valve body, and when described inner sleeve be to
The outside of the inner sleeve being in outside when few two, is extended to positioned at the end of the inner sleeve of inner side.
Further, the end in described 3rd valve body away from described second valve body is additionally provided with the 3rd valve body together
The inner sleeve of axle setting, gap between the inwall of described inner sleeve and described 3rd valve body constitutes annular groove, for institute
The end stating the smokejack that the 3rd valve body connects can be embedded in described annular groove.
Further, be arranged at described 3rd valve end inner sleeve be at least two, and all with described 3rd valve body
It is coaxially disposed, and the gap between two neighboring inner sleeve is also constituted for clamping described exhaust opening or smoke exhaust pipe end tube wall
Annular groove.
Further, the end of described inner sleeve extends to the outside of described 3rd valve body, and when described inner sleeve be to
The outside of the inner sleeve being in outside when few two, is extended to positioned at the end of the inner sleeve of inner side.
Further, the end away from described 3rd valve body of described second valve body is additionally provided with for fume-exhausting
The exhaust opening of machine or the adpting flange of smoke exhaust pipe connection.
The beneficial effects of the utility model are:
The design compared with traditional flue gas check (non-return) valve, its novel in structural design of the design, combination install convenient, and originally set
Meter flue gas check (non-return) valve in the application, its initially with the design of Split type structure, when its interior valve block being carried out, its
The second valve body in valve body can easily be removed by resident family individual, and does not need the company to pipeline and flue and this valve body
The place of connecing damages, and a people can easily realize, and can create easily condition for realizing the cleaning to flue gas check (non-return) valve, then
Person, the design is when being combined installing it is only necessary to press lightly on and incidentally slight rotation can achieve first in valve body
Valve body, the second valve body, the 3rd valve body are fixedly connected, and easy and simple to handle, installation is easy, can bring greatly just for user
Profit.
Brief description
Fig. 1 is primary structure schematic diagram of the present utility model；
Fig. 2 is split state primary structure schematic diagram of the present utility model；
Fig. 3 is a portion mplifying structure schematic diagram in Fig. 2；
Fig. 4 is b portion mplifying structure schematic diagram in Fig. 2；
Fig. 5 is the second body base state primary structure schematic diagram in the utility model；
Fig. 6 is the snap fastener primary structure schematic diagram in the utility model；
The structural representation of the valve block that Fig. 7 is adopted by the second valve body in the utility model；
In figure:
103rd, 203. projection；
104th, 302. embedded ring bodies;
105th, 303. breach;
106th, 304. draw-in groove；
107th, 305. groove;
204th, 210. engaging inner ring；
206th, 211. protrusion card body;
101. the 3rd valve bodies;102. inner sleeve;
201. second valve bodies;202. valve block;
Gap between 205. engaging inner rings and the second valve body;
207. connector;208. limited post;209. counterweight;
212. annular slot;213. O-ring seal;214. arc fixture blocks;
301. first valve bodies;
401. adpting flange.
Specific embodiment
With reference to the accompanying drawings and examples the utility model is further illustrated:
Embodiment 1: a kind of split type flue gas check (non-return) valve, referring to Fig. 1 to Fig. 7；It includes valve body；In the design, described
Valve body be Split type structure, specifically, described valve body include for be connected with the exhaust opening or smoke exhaust pipe of range hood first
Valve body 301, for is connected with smokejack the 3rd valve body 101, be arranged at described first valve body 301 and described 3rd valve body 101
Between and which is provided with the second valve body 201 of valve block, described the first valve body 301, the second valve body 201, the 3rd valve body 101 are successively
Constitute described valve body after docking, can not be needed to itself and pipeline when its valve block being cleaned by the design of above-mentioned Split type structure
And the connection of flue damages, user's cleaning is facilitated to use.
For realizing to above-mentioned first valve body 301, the second valve body 201, the docking of the 3rd valve body 101 and fixation, the design is
It is respectively arranged with multiple snap fasteners at the two ends of the second described valve body 201, and the first described valve body 301 and described
Three valve bodies 101 are connected with the second described valve body 201 by corresponding snap fastener respectively.
Specifically, the first valve body 301 in the design, the connected mode of the 3rd valve body 101 and the second valve body 201 and adopted
Structure is identical, and for ease of illustrating and understanding, the present embodiment here is only with the first valve body 301 and the second valve body 201
Illustrate as a example the snap fastener connecting and being adopted；Above-described snap fastener it include being arranged at described second valve body
Protrusion card body 206 on 201 tip inside walls, described protrusion card body 206 horizontally set, and described protrusion card body 206
The inclined inclined-plane in bottom surface；Also include protruding respectively be arranged at described first valve body 301 end and the 3rd valve body 101 end and
The embedded ring bodies 105,303 in described second valve body 201 can be embedded in；Also include being arranged at described embedded ring bodies 105,
Draw-in groove 106,304 on 303 lateral walls, described draw-in groove 106 horizontally set, and it is provided with scarce in one end of described draw-in groove 106
Mouth 105, the groove bottom of described draw-in groove 106 is in inclined-plane obliquely.
Further, the design is also provided with downward projection of arc fixture block on the bottom surface of described protrusion card body 206
214, the groove 107 being mated with described arc fixture block is provided with the groove bottom in described draw-in groove 106, also in described second valve
The two ends of body 201 are respectively arranged with an engaging inner ring being coaxially disposed with this second valve body 201 204,210, described engaging
It is provided with gap, also in described engaging inner ring and the second valve body between the inwall of inner ring 204,210 and described second valve body 201
Between the gap in gap 205 in be additionally provided with the flexible gaskets being made up of elastic caoutchouc.And the first described valve body 301,
Embedded ring-type after 3rd valve body 101 is docked with described second valve body 201, on the first described valve body 301 and the 3rd valve body 101
Body 104,302 is embedded in the one end of described second valve body 201 respectively, i.e. described the first valve body 301, the 3rd valve body 101
On embedded ring bodies 104,302 be inserted into described second valve body 201 with the described gap engaging between inner ring 204,210,
And described protrusion card body 206,211 enters in described draw-in groove 106,304 by described breach 105,303, and embedded ring-type
The end of body 104,302 withstands on flexible gaskets, now, is made described by turn-back the first valve body 301 and the second valve body 201
Arc fixture block 214 is sticked in described groove 107,305, realizes the first valve body 301, the 3rd valve body 101 and described second valve
The docking of body 201, and now, if necessary to its first valve body 301, the 3rd valve body 101 are separated with the second valve body 201.This
When it is only necessary to by rotating the first valve body 301, arc fixture block can be skidded off in groove 107 by the 3rd valve body 101 from 214, and
Can achieve protruding card body 206,211 and take out upwards from the direction of breach the first valve body 301, the 3rd valve body 101 and the afterwards
The separation of two valve bodies 201, easy and simple to handle.
Further, in operation, both hands apply corresponding twisting resistance on the outer wall of valve body for convenience, and the design is also
The outer wall of the first described valve body 301 and the second valve body 201 is respectively arranged with least two for applying twisting resistance, and
With regard to the symmetrical projection of described valve axis 103,203.
Further, in order to be connected with the exhaust opening or smoke exhaust pipe of different tube diameters, the design can also be described
It is provided with the inner sleeve 102 being coaxially disposed with described first valve body 301 with range hood in the end that first valve body 301 is connected,
Gap between the inwall of described inner sleeve 102 and described first valve body 301 constitutes annular groove, and is used for and described first
The exhaust opening that valve body 301 connects or the end of smoke exhaust pipe can be embedded in described annular groove, also can be directly sleeved on the first valve
On body 301, certainly, the inner sleeve 102 being arranged at described first valve body 301 end can also be at least two, and two neighboring
Gap between inner sleeve 102 also constitutes the annular groove for clamping described exhaust opening or smoke exhaust pipe end tube wall；Preferably
It is that the end of described inner sleeve 102 extends to the outside of described first valve body 301, and when described inner sleeve 102 is at least
When two, extend to the outside of the inner sleeve being in outside positioned at the end of the inner sleeve of inner side, by this this first valve of design
Body 301 can be attached with the pipeline of multiple different-diameters.
In the same manner, it is connected with the pipeline of outside different tube diameters for the ease of the 3rd valve body 101, the design can also be away from institute
The end stating described 3rd valve body 301 of the second valve body 201 is also provided with the above-mentioned inner sleeve being coaxially disposed with the 3rd valve body 101
Pipe, now, the gap between the inwall of this inner sleeve and described 3rd valve body 101 also constitutes annular groove, and be used for described
The end of the smokejack that the 3rd valve body 101 connects also can be embedded in this annular groove, equally also can be directly sleeved on the 3rd valve body
On 101 tube wall；Certainly, except aforesaid way, the 3rd valve body 101 of the design can also be away from described second valve body 201
The end of described 3rd valve body 101 on be additionally provided with adpting flange for being connected with the exhaust opening or smoke exhaust pipe of range hood
401.
And the valve block 201 in the design is in d shape, and the side of this valve block 202 is articulated with the second valve body by connector 207
Inside 201, and it is additionally provided with one for limiting the limited post that valve block opens maximum angle in the end of this connector 207, that is,
When valve block is backed down by the pressure of flue gas, the end of its limited post 208 can withstand on the second valve body, limits valve block with this
The maximum angle opened；And in order to realize the sealing of valve block and valve body, it is that the periphery of valve block is provided with an annular snap
Groove, and it is additionally provided with an O-ring seal 213 in this annular slot, valve block and valve can be realized by this O-ring seal 213
The sealing of body.
To sum up, when being carried out to its interior valve block, its resident family is personal can be light for the flue gas check (non-return) valve of the design
Loose is removed the second valve body in valve body, and does not need pipeline and flue are damaged with the junction of this valve body,
One people can easily realize, and can create easily condition for realizing the cleaning to flue gas check (non-return) valve, furthermore, the design is being carried out
When combination is installed it is only necessary to press lightly on and incidentally slight rotation can achieve by the first valve body in valve body, the second valve body, the
Three valve bodies are fixedly connected, and easy and simple to handle, installation is easy, can bring great convenience for user.
What embodiment of the present utility model was announced is preferred embodiment, but is not limited thereto, the common skill of this area
Art personnel, easily according to above-described embodiment, understand spirit of the present utility model, and make different amplifications and change, but as long as
Without departing from spirit of the present utility model, all in protection domain of the present utility model.
Claims (10)
1. a kind of split type flue gas check (non-return) valve, including valve body；It is characterized in that: described valve body is Split type structure, and described valve body
Including the first valve body for being connected with the exhaust opening or smoke exhaust pipe of range hood, for be connected with smokejack the 3rd valve body,
It is arranged between described first valve body and described 3rd valve body and which is provided with the second valve body of valve block, described first valve body,
Two valve bodies, the 3rd valve body constitute described valve body after docking successively.
2. as claimed in claim 1 split type flue gas check (non-return) valve it is characterised in that: in described first valve body and the second valve body
It is respectively arranged with least two for applying the projection of twisting resistance on outer wall.
3. as claimed in claim 1 split type flue gas check (non-return) valve it is characterised in that: set respectively at the two ends of described second valve body
It is equipped with snap fastener, described first valve body and described 3rd valve body pass through at least one described snap fastener and described second respectively
Valve body connects.
4. as claimed in claim 3 split type flue gas check (non-return) valve it is characterised in that: described snap fastener includes being arranged at described
Protrusion card body on second valve end madial wall, described protrusion card body horizontally set, and the described bottom surface protruding card body is in incline
Oblique inclined-plane；Also include protruding respectively being arranged at described first valve end and the 3rd valve end and described can be embedded in
Embedded ring bodies in two valve bodies；Also include the draw-in groove being arranged on the wall of described embedded ring-type external side, described draw-in groove laterally sets
Put, and arrange in one end of described draw-in groove jagged, the groove bottom of described draw-in groove is in inclined-plane obliquely；Described first valve body and
After 3rd valve body is docked with described first valve body, the embedded ring bodies on described first valve body and the 3rd valve body is embedded in institute respectively
State in the one end of the second valve body, described protrusion card body is entered in described draw-in groove by described breach, and by described the
In one valve body, the second valve body and the 3rd valve body at least two carry out rotation can make described protrusion card body be sticked in described draw-in groove
Side.
5. as claimed in claim 4 split type flue gas check (non-return) valve it is characterised in that: described protrude card body bottom surface on arrange
There is downward projection of arc fixture block, the groove being mated with described arc fixture block is provided with the groove bottom in described draw-in groove,
After described first valve body, the 3rd valve body are docked with described second valve body, can be made by reversing described first valve body and the second valve body
Described arc fixture block is sticked in described groove.
6. as claimed in claim 4 split type flue gas check (non-return) valve it is characterised in that: set respectively at the two ends of described second valve body
It is equipped with an engaging inner ring being coaxially disposed with this second valve body, set between the inwall of described engaging inner ring and described second valve body
It is equipped with gap, and after described first valve body, the 3rd valve body are docked with described second valve body, described first valve body, the 3rd valve body
On embedded ring bodies be inserted into described second valve body with the described gap engaging between inner ring；
It is additionally provided with, in the gap in the gap between described engaging inner ring and the second valve body, the flexible pad being made up of elastic caoutchouc
Circle.
7. as claimed in claim 1 split type flue gas check (non-return) valve it is characterised in that: in described first valve body and range hood even
It is provided with the inner sleeve being coaxially disposed with described first valve body, the inwall of described inner sleeve and described first valve body in the end connecing
Between gap constitute annular groove, the end for the exhaust opening that is connected with described first valve body or smoke exhaust pipe can be embedded in institute
State in annular groove.
8. as claimed in claim 7 split type flue gas check (non-return) valve it is characterised in that: be arranged at the interior of described first valve end
Sleeve pipe is at least two, and is all coaxially disposed with described first valve body, and the gap between two neighboring inner sleeve also constitutes use
In the annular groove clamping described exhaust opening or smoke exhaust pipe end tube wall；
The end of described inner sleeve extends to the outside of described first valve body, and when described inner sleeve is at least two, is located at
The end of the inner sleeve of inner side extends to the outside of the inner sleeve being in outside.
9. as claimed in claim 1 split type flue gas check (non-return) valve it is characterised in that: away from described the of described second valve body
The end of three valve bodies is additionally provided with the inner sleeve being coaxially disposed with the 3rd valve body, and described inner sleeve is interior with described 3rd valve body
Gap between wall constitutes annular groove, and the end of the smokejack for being connected with described 3rd valve body can be embedded in described annular
In groove；
The inner sleeve being arranged at described 3rd valve end is at least two, and is all coaxially disposed with described 3rd valve body, and phase
Gap between adjacent two inner sleeves also constitutes the annular groove for clamping described exhaust opening or smoke exhaust pipe end tube wall；
The end of described inner sleeve extends to the outside of described 3rd valve body, and when described inner sleeve is at least two, is located at
The end of the inner sleeve of inner side extends to the outside of the inner sleeve being in outside.
10. as claimed in claim 1 split type flue gas check (non-return) valve it is characterised in that: away from described in described second valve body
Adpting flange for being connected with the exhaust opening or smoke exhaust pipe of range hood is additionally provided with the end of the 3rd valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620915509.3U CN205896296U (en) | 2016-08-22 | 2016-08-22 | Split type flue gas check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620915509.3U CN205896296U (en) | 2016-08-22 | 2016-08-22 | Split type flue gas check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205896296U true CN205896296U (en) | 2017-01-18 |
Family
ID=57779403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620915509.3U Active CN205896296U (en) | 2016-08-22 | 2016-08-22 | Split type flue gas check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205896296U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106704646A (en) * | 2017-03-13 | 2017-05-24 | 杭州小米环境科技有限公司 | Fireproof check valve |
| CN107575672A (en) * | 2017-10-13 | 2018-01-12 | 广东美的厨房电器制造有限公司 | Smoke exhaust pipe erection joint component, smoke evacuation tube assembly and range hood |
| CN109027361A (en) * | 2018-08-27 | 2018-12-18 | 珠海格力电器股份有限公司 | Mounting structure goes out down water tank and air processor |
-
2016
- 2016-08-22 CN CN201620915509.3U patent/CN205896296U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106704646A (en) * | 2017-03-13 | 2017-05-24 | 杭州小米环境科技有限公司 | Fireproof check valve |
| CN107575672A (en) * | 2017-10-13 | 2018-01-12 | 广东美的厨房电器制造有限公司 | Smoke exhaust pipe erection joint component, smoke evacuation tube assembly and range hood |
| CN107575672B (en) * | 2017-10-13 | 2023-09-22 | 广东美的厨房电器制造有限公司 | Smoke exhaust pipe installation joint assembly, smoke exhaust pipe assembly and range hood |
| CN109027361A (en) * | 2018-08-27 | 2018-12-18 | 珠海格力电器股份有限公司 | Mounting structure goes out down water tank and air processor |
| US11906093B2 (en) | 2018-08-27 | 2024-02-20 | Gree Electric Appliances, Inc. Of Zhuhai | Mounting structure, lower water outlet tank, and air treatment device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205896296U (en) | Split type flue gas check valve | |
| CN201382226Y (en) | Quick joint | |
| CN208735060U (en) | A kind of casing bridging pipe fitting of fast assembling-disassembling | |
| CN201262294Y (en) | Novel fast tube connecting structure | |
| CN201187650Y (en) | Fast connecting structure of pipe | |
| CN209727199U (en) | A kind of turbine flowmeter being able to carry out Fast Installation | |
| CN203336092U (en) | Pipeline connection device | |
| CN205298915U (en) | Novel hasp locking -type owner become respirator interface device | |
| CN207621532U (en) | A kind of fire hose connector | |
| CN208417893U (en) | A kind of easy-to-mount PVC-U drainpipe | |
| CN210623353U (en) | Air conditioner pipe joint thread protecting cap convenient to disassemble | |
| CN206464314U (en) | A kind of pressure Telescopic cleaning device | |
| CN206577470U (en) | A kind of heating pipeline contaminant filter mechanism | |
| CN204767758U (en) | Back flush formula filter | |
| CN203963327U (en) | Universal valve pipe fitting joint | |
| CN208859201U (en) | One kind connecing isolating valve fastly | |
| CN201521744U (en) | Inward-contract type quick joint | |
| CN205536563U (en) | Energy -concerving and environment -protective green for boiler welding steel pipe | |
| CN207702579U (en) | Connection component and geothermal system | |
| CN210624636U (en) | Detachable environment-friendly oil smoke pipe | |
| CN208041267U (en) | A kind of modular filter valve | |
| CN109237692A (en) | Upper plus water humidifier cap assemblies and upper plus water humidifier | |
| CN211870294U (en) | Burnt jar coke breeze reposition of redundant personnel buffer | |
| CN219472883U (en) | Valve of water-based fire extinguisher | |
| CN204025996U (en) | A kind of random length corrugated stainless steel tubing of sealed type |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |