CN208719474U - Locking structure and fire-preventing check valve - Google Patents
Locking structure and fire-preventing check valve Download PDFInfo
- Publication number
- CN208719474U CN208719474U CN201820910601.XU CN201820910601U CN208719474U CN 208719474 U CN208719474 U CN 208719474U CN 201820910601 U CN201820910601 U CN 201820910601U CN 208719474 U CN208719474 U CN 208719474U
- Authority
- CN
- China
- Prior art keywords
- rotation stop
- plectrum
- bindiny mechanism
- valve
- locking structure
- 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.)
- Expired - Fee Related
Links
Landscapes
- Lift Valve (AREA)
Abstract
The utility model relates to a kind of locking structure and fire-preventing check valve, solve the problems, such as that there are fit clearances between rotation stop piece and bindiny mechanism.Locking structure, including valve seat, bindiny mechanism, plectrum, rotation stop piece, elastic element and temperature-sensing element, the bindiny mechanism and the plectrum are rotatably arranged on the valve seat, the sensing element is fixed on the valve seat, the elastic element is acted on to keep the plectrum to squeeze the trend of the temperature-sensing element on the plectrum, and the rotation stop piece includes the first rotation stop plate being rotatably arranged on plectrum；After the temperature-sensing element stops working, the elastic element drives the plectrum that the bindiny mechanism is rotated and squeezed relative to the valve body, so that the bindiny mechanism closes exhaust outlet by valve block；When the elastic element drives the plectrum opposite valve seat to rotate and squeeze the bindiny mechanism, when so that the bindiny mechanism closing exhaust outlet by valve block, the first rotation stop plate is engaged with the bindiny mechanism.
Description
Technical field
The utility model relates to a kind of locking structure and fire-preventing check valves.
Background technique
Application No. is 201720242009.2 utility model patents to disclose a kind of locking knot for fire-preventing check valve
Structure and fire-preventing check valve, the locking structure include valve seat, connecting rod, plectrum, temperature-sensing element and elastic element, connecting rod and plectrum and valve
Seat rotation connection, temperature-sensing element is fixedly connected with valve seat, and elastic element one end is fixedly connected with valve seat, the elastic element other end and
Plectrum connects and plectrum is driven to offset with temperature-sensing element, and plectrum includes rotation stop piece, and connecting rod is equipped with card slot, blocks when rotation stop piece is inserted into
When in slot, rotation stop piece can be used for limiting motion range of the plectrum with respect to connecting rod.
Since connecting rod and plectrum and valve seat are rotatablely connected, to realize that rotation stop piece is rotatably inserted into card slot, existing group
It usually requires to maintain a certain distance between piece and connecting rod.However, when being maintained a certain distance between plectrum and connecting rod, and only
When rotor is inserted into card slot, technical staff's discovery is understood between rotation stop piece and card slot bottom wall there are fit clearance, fit clearance
In the presence of so that the effect of plectrum limiting rod motion range is deteriorated, it means that there are cooperations between rotation stop piece and card slot
Behind gap, there are certain probability can carry out small-scale movement with moving valve plate for connecting rod, loses so as to cause fire-preventing check valve
Every the effect of cigarette.
Utility model content
Problem to be solved in the utility model is just to provide a kind of locking structure and fire-preventing check valve, eliminate rotation stop piece with
Fit clearance between bindiny mechanism.
To solve the above problems, the utility model provides the following technical solutions:
Locking structure, including valve seat, bindiny mechanism, plectrum, rotation stop piece, elastic element and temperature-sensing element, the connection machine
Structure and the plectrum are rotatably arranged on the valve seat, and the temperature-sensing element is fixed on the valve seat, the bullet
Property element act on the plectrum to keep the plectrum to squeeze the trend of the temperature-sensing element, the rotation stop piece includes that can turn
The first rotation stop plate on plectrum is set dynamicly；
After the temperature-sensing element stops working, the elastic element drives the plectrum to rotate and squeeze relative to the valve seat
The bindiny mechanism is pressed, so that the bindiny mechanism closes exhaust outlet by valve block；
When the elastic element drives the plectrum opposite valve seat to rotate and squeeze the bindiny mechanism, so that the connection
When mechanism closes exhaust outlet by valve block, the first rotation stop plate is engaged with the bindiny mechanism.
Further, the first rotation stop plate is equipped at least two first teeth, and the bindiny mechanism is equipped at least
One the second teeth, at least one described second teeth can be embedded between two adjacent first teeth.
Further, the rotation stop piece further includes the second rotation stop plate and for connecting the first rotation stop plate and described second
The connecting plate of rotation stop plate, the second rotation stop plate are equipped in temperature-sensing element work for preventing the first rotation stop plate
The baffle engaged with the bindiny mechanism.
Further, the bindiny mechanism includes connecting rod, axle sleeve and shaft, and the axis is set under the connecting rod
End, the axle sleeve are rotatablely connected with the valve seat by the shaft, at least one described second teeth is arranged in the axle sleeve
Outer wall on.
Further, the connecting rod is equipped with rotation stop mating surface, and the plectrum is equipped with when temperature-sensing element stops working
The standstill face in the rotation stop mating surface can be resisted against towards the side of the rotation stop mating surface and in temperature-sensing element work,
The standstill face is connected with the side by tilting section.
Further, the temperature-sensing element includes the first sheet metal being arranged on valve seat, the second sheet metal and for connecting
The solder of first sheet metal Yu second sheet metal is connect, the valve seat is equipped with limiting device, and the elastic element is made
When on the plectrum so that the plectrum squeezes the temperature-sensing element, second sheet metal and the limiting device phase
It supports.
Further, the valve seat includes bottom plate and two pieces of fixations for being arranged on the bottom plate and being upwardly extended by bottom plate
Plate, flange with outward extension in one of fixed plate, the flange are the limiting device.
Fire-preventing check valve, including valve body, valve block and locking structure with exhaust outlet, the locking structure connects the valve
Piece and the valve body simultaneously are used to that the valve block to be driven to close the exhaust outlet, and the locking structure is a kind of any of the above-described technical side
Locking structure described in case.
Further, the valve block outer wall is equipped with rubber ring, when the valve block closes the exhaust outlet, the rubber
Circle and the valve block offset with the valve body respectively.
Further, the valve body includes the spool with the exhaust outlet and the mounting surface being arranged on the spool
Plate, the fire-preventing check valve further include adjusting rod and reed, and described reed one end is connected on the valve body, the adjusting rod one
End is located in the spool, which offsets after running through the spool with the reed other end, the adjusting rod
Axially reciprocating, to adjust the reed other end and install the spacing distance between panel；Or the fire-preventing check valve is also
Including operating stick and fixture block, described operating stick one end extends to outside the valve body after running through the installation panel, and the fixture block is set
The other end in the operating stick is set, the operating stick drives the fixture block to move back and forth, to adjust the fixture block and the peace
Fill the spacing distance between panel.
The utility model has the beneficial effects that
In the utility model, rotation stop piece includes the first rotation stop plate, when elastic element driving plectrum opposite valve seat rotates and squeezes
Bindiny mechanism is pressed, when so that bindiny mechanism closing exhaust outlet by valve block, the first rotation stop plate is engaged with bindiny mechanism.Many institute's weeks
Know, in engagement, radial distance between the two will not change two parts, and therefore, the utility model passes through change
The connection type of rotation stop piece and bindiny mechanism eliminates fit clearance between the two to realize.Be designed in this way, can effectively avoid because
Fit clearance between rotation stop piece and bindiny mechanism and cause fire-preventing check valve to lose the generation every the cigarette effect the case where.
Detailed description of the invention
Fig. 1 is the perspective view of locking structure in the utility model embodiment one；
Fig. 2 is the perspective view of part bindiny mechanism in the utility model embodiment one；
Fig. 3 is the perspective view that the utility model embodiment one stops rotor；
Fig. 4 is the perspective view of locking structure in the utility model embodiment one (when temperature-sensing element works)；
Fig. 5 is the left view of part locking structure in the utility model embodiment one (when temperature-sensing element works)；
Fig. 6 is the perspective view of locking structure in the utility model embodiment one (when temperature-sensing element stops working)；
Fig. 7 is the left view of part locking structure in the utility model embodiment one (when temperature-sensing element stops working)；
Fig. 8 is the main view of locking structure in the utility model embodiment one；
Fig. 9 is the cross-sectional view in Fig. 8 at A-A；
Figure 10 is the perspective view of valve seat in the utility model embodiment one；
Figure 11 is the main view of fire-preventing check valve in the utility model embodiment two；
Figure 12 is the cross-sectional view in the utility model embodiment two at B-B；
Figure 13 is the cross-sectional view in the utility model embodiment two at C-C.
Specific embodiment
The technical solution of the utility model embodiment is explained below with reference to the attached drawing of the utility model embodiment and
Illustrate, but following embodiments are only the preferred embodiment of the utility model, and not all.Based on the implementation example in the implementation mode,
Those skilled in the art's obtained other embodiments without making creative work, belong to the utility model
Protection scope.
Embodiment one
Referring to figure 1, figure 2 and figure 3, locking structure, including valve seat 1, bindiny mechanism 2, plectrum 3, rotation stop piece 4, elastic element
It bindiny mechanism 2 and is dialled with temperature-sensing element 7 for the elastic element is known as the first elastic element 5 convenient for distinguishing in the present embodiment
Piece 3 is rotatably arranged on valve seat 1, and temperature-sensing element 7 is fixed on valve seat 1, and the first elastic element 5 acts on plectrum 3
On to keep plectrum 3 to squeeze the trend of temperature-sensing element 7, rotation stop piece 4 includes the first rotation stop for being rotatably arranged on plectrum 3
Plate 41；
After temperature-sensing element 7 stops working, the first elastic element 5 driving 3 opposite valve seat 1 of plectrum rotates and is press-connected machine
Structure 2, so that bindiny mechanism 2 closes exhaust outlet by valve block；
When the first elastic element 5 driving 3 opposite valve seat 1 of plectrum rotates and be press-connected mechanism 2, so that bindiny mechanism 2 is logical
When crossing valve block closing exhaust outlet, the first rotation stop plate 41 is engaged with bindiny mechanism 2.
From figure 3, it can be seen that the first rotation stop plate 41 is equipped at least two first teeth 411, figure it is seen that even
Connection mechanism 2 is equipped at least one second teeth 221, when the first elastic element 5 driving 3 opposite valve seat 1 of plectrum rotates and squeezes
Bindiny mechanism 2, when so that bindiny mechanism 2 closing exhaust outlet by valve block, at least one second teeth 221 is embedded adjacent at two
The first teeth 411 between.
Referring to Fig. 3, the rotation stop piece 4 of the present embodiment further includes the second rotation stop plate 42 and for connecting the first rotation stop plate 41 and the
The connecting plate 43 of two rotation stop plates 42, the second rotation stop plate 42 are equipped with when temperature-sensing element 7 works for preventing the first rotation stop plate 41
The baffle 421 engaged with bindiny mechanism 2.When the rotation stop piece 4 of locking structure has baffle 421, and the work shape of temperature-sensing element 7
When state, locking structure any rotation can prevent the first rotation stop plate 41 from engaging with bindiny mechanism 2.In its of the utility model
In his embodiment, rotation stop piece can also cancel baffle, when rotation stop piece cancels baffle, and temperature-sensing element is in running order,
Rotation stop piece is offseted by connecting plate and plectrum, prevents the first rotation stop plate from engaging with bindiny mechanism to realize.
Certainly, in the other embodiments of the utility model, rotation stop piece can only include the first rotation stop plate, and baffle plate setting exists
On first rotation stop plate.
Preferably, the extending direction of baffle 421 is different from the extending direction of the first teeth 411.
Locking structure works as shown in Fig. 4, Fig. 5 and Fig. 9 in temperature-sensing element 7: in 7 course of work of temperature-sensing element, first
Elastic element 5 drives driving lever 3 to offset with temperature-sensing element 7, at this point, baffle 421 and the side 302 of plectrum 3 offset, to realize the
There are differences in height between one teeth 411 and the second teeth 221.
Locking structure stops working as shown in Figure 6 and Figure 7 in temperature-sensing element 7: after temperature-sensing element 7 stops working, first
Elastic element 5 drives plectrum 3 to rotate relative to valve body 1 and is press-connected mechanism 2, is vented so that bindiny mechanism 2 is closed by valve block
Mouthful；When the first elastic element 5 driving 3 opposite valve seat 1 of plectrum rotates and is press-connected mechanism 2, so that bindiny mechanism 2 passes through valve block
When closing exhaust outlet, the first rotation stop plate 41 is engaged with bindiny mechanism 2.
Referring to Fig. 1, the temperature-sensing element 7 of the present embodiment includes the first sheet metal 71, the second sheet metal being arranged on valve seat 1
73 and the solder 72 for connecting the first sheet metal 71 and the second sheet metal 73 (solder includes secret base, indium base, tinbase, cadmium
The solders such as base, zinc-base and lead base), valve seat 1 is equipped with limiting device, and the first elastic element 5 acts on plectrum 3 so that plectrum 3
When squeezing temperature-sensing element 7, the second sheet metal 73 offsets with limiting device.After 72 high temperature melting of solder, the first sheet metal and
Two sheet metals 73 separation, after the blocking that plectrum 3 loses the second sheet metal 73, the first elastic element 5 drive plectrum 3 with connect machine
Structure 2 offsets, to realize that the first rotation stop plate 41 is engaged with bindiny mechanism 2.In the other embodiments of the utility model, the temperature-sensitive
Element is memory metal, and when memory metal receives deformation temperature, memory metal is separated with plectrum, to realize the first elasticity member
Part driving plectrum offsets with bindiny mechanism；When memory metal receives the temperature of surrounding lower than deformation temperature, memory metal will
It returns to the original form.
It should be understood that " temperature-sensing element 7 stops working " refers to that " solder 72 is heated to be caused in the present embodiment
Second sheet metal 73 is separated with the first sheet metal 71 ", " work of temperature-sensing element 7 " refers to that " solder 72 is for connecting second
Sheet metal 73 and the first sheet metal 71 ".
Referring to fig. 2, the bindiny mechanism 2 of the present embodiment includes connecting rod 21, axle sleeve 22 and shaft 23, and the setting of axle sleeve 22 is even
The lower end of bar 21, axle sleeve 22 are rotatablely connected with valve seat 1 by shaft 23, and axle sleeve 22 is arranged at least one second teeth 221
Specific on outer wall: several second teeth 221 are circumferentially around on the side wall of axle sleeve 22, the connection side of axle sleeve 22 and connecting rod 21
Formula includes but is not limited to weld, be threadedly coupled, be integrally formed and rivet.
Referring to Fig. 8 and Fig. 9, connecting rod 21 is equipped with rotation stop mating surface 211, and plectrum 3, which is equipped with, stops work in temperature-sensing element 7
It can be resisted against in rotation stop mating surface 211 towards the side of rotation stop mating surface 211 302 and when temperature-sensing element 7 works when making
Standstill face 301, standstill face 301 are connected with side 302 by tilting section 303.
Preferably, tilting section 303 described in the present embodiment is plane, when tilting section 303 is plane, the tilting section 303
Tilt angle be different from the tilt angle of rotation stop mating surface 211.Tilting section 303 described in the present embodiment can also be cambered surface.
Referring to Figure 10, the valve seat 1 of the present embodiment include bottom plate 101 and two pieces be arranged on bottom plate 101 and from bottom plate 101 to
The fixed plate 102 of upper extension, flange 11 with outward extension in one of fixed plate 102, flange 11 are limit dress
It sets.
In the present embodiment, locking structure further includes the second elastic element 6, and the second elastic element 6 is torsional spring and is socketed in axis
On set 22,6 one end of the second elastic element is arranged in bindiny mechanism 2, and 6 other end of the second elastic element is arranged on valve seat 1, the
Two elastic elements 6 can 2 opposite valve seat 1 of drive connection mechanism rotation, 2 opposite valve seat 1 of bindiny mechanism rotation after, bindiny mechanism 2
Exhaust outlet is closed by valve block.
In the present embodiment, the first elastic element 5 is torsional spring, when the first elastic element 5 is torsional spring, the first elastic element 5
It is socketed on the first shaft 31 of plectrum 3,5 one end of the first elastic element is arranged on plectrum 3,5 other end of the first elastic element
It is arranged on valve seat 1.In the other embodiments of the utility model, the first elastic element and the second elastic element can also be pressure
Spring；Either, the first elastic element is pressure spring, and the second elastic element is tension spring.
Referring to Fig. 3 and Fig. 5, wherein second shaft 32 on plectrum 3 runs through the first shaft hole on the first rotation stop plate 41
412, second axis hole 422 of another second shaft 32 on the second rotation stop plate 42 on plectrum 3, to realize 4 turns of rotation stop piece
It is arranged on plectrum 3 dynamicly.
Referring to Fig. 6 and Fig. 7, the first shaft 31 on plectrum 3 runs through the third axis hole 1021 on valve seat 1, to realize plectrum 3
It is spindle rotationally arranged on valve seat 1.
Referring to Fig. 1, Fig. 2 and Figure 10, shaft 23 runs through the 4th axis hole 1022, to realize that bindiny mechanism 2 is rotatably arranged
On valve seat 1.
In the present embodiment, the shaft 23 is bolt, and bolt sequentially passes through the first sheet metal 71, one of them the 4th axis hole
1022, it after axle sleeve 23 and another the 4th axis hole 1022, is fixedly connected with nut, at this point, the first sheet metal 71 is fixed on valve seat 1
On.
In the present embodiment, bindiny mechanism 2 further includes fixed plate, and 21 upper end of connecting rod and fixed plate are rotatablely connected, and fixed plate is also
It is fixedly connected with valve block.In the other embodiments of the utility model, small end can be directly rotatablely connected with valve block.
Embodiment two
Referring to Figure 11, Figure 12 and Figure 13, fire-preventing check valve, including valve body 100, valve block 200 and lock with exhaust outlet 600
Only structure 300, locking structure 300 connect valve block 200 and valve body 100 and for driving valve block 200 to close exhaust outlet 600, locking
Structure 300 is locking structure described in embodiment one.
Referring to Figure 12,200 outer wall of valve block of the present embodiment is equipped with rubber ring 2001, closes exhaust outlet 600 in valve block 200
When, rubber ring 2001 and valve block 200 offset with valve body 100 respectively.
Referring to Figure 13, valve body 100 includes the spool 1001 with exhaust outlet 600 and the mounting surface being arranged on spool 1001
Plate 1002, fire-preventing check valve further include adjusting rod 400 and reed 500, and 500 one end of reed is connected on valve body 100, adjusting rod
400 one end are located in spool 1001, which offsets after running through spool 1001 with 500 other end of reed, adjust
400 axially reciprocating of bar, to adjust 500 other end of reed and install the spacing distance between panel 1002.The present embodiment
In, adjusting rod 400 be screw, 400 axially reciprocating of adjusting rod, with adjust 500 other end of reed and installation panel 1002 it
Between spacing distance.
In the present embodiment, the working principle of adjusting rod 400 and reed 500: the axial actuating spring 500 of adjusting rod 400 occurs
Flexible deformation, to increase the spacing distance between 500 other end of reed and spool 1001, since 500 one end of reed is connected to valve
Body 100 (reed one end can connect on spool and/or installation panel, if valve body further includes other component, reed
One end can also be connected on other component) on, therefore, the spacing distance between 500 other end of reed and spool 1001 increases
After adding, the angle between 500 other end of reed and installation panel 1002 will become smaller, to realize that fire-preventing check valve is clamped in exhaust duct
Side wall on；Adjusting rod 400 sheds the active force of actuating spring 500, to reduce between 500 other end of reed and spool 1001
Spacing distance, since 500 one end of reed is connected on valve body 100, between 500 other end of reed and spool 1001
After spacing distance reduces, the angle between 500 other end of reed and installation panel 1002 will become larger, to facilitate valve from exhaust duct
It removes.In the other embodiments of the utility model, fire-preventing check valve further includes operating stick and fixture block, and operating stick one end is through peace
It is extended to outside valve body after dress panel, the other end of operating stick is arranged in fixture block, and operating stick drives fixture block to move back and forth, to adjust folder
Spacing distance between block and installation panel, wherein operating stick can be directly connected to fixture block, and operating stick can also be logical with fixture block
Other component is crossed to be indirectly connected with.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, those skilled in the art should be understood that the utility model includes but is not limited to attached drawing and specific embodiment above
Described in content.The modification of any function and structure principle without departing from the utility model is intended to be included in claims
In range.
Claims (10)
1. locking structure, including valve seat, bindiny mechanism, plectrum, rotation stop piece, elastic element and temperature-sensing element, the bindiny mechanism
It is rotatably arranged on the valve seat with the plectrum, the temperature-sensing element is fixed on the valve seat, the elasticity
Element acts on the plectrum to keep the plectrum to squeeze the trend of the temperature-sensing element, which is characterized in that the rotation stop
Piece includes the first rotation stop plate being rotatably arranged on the plectrum；
After the temperature-sensing element stops working, the elastic element drives the plectrum to rotate relative to the valve seat and squeeze institute
Bindiny mechanism is stated, so that the bindiny mechanism closes exhaust outlet by valve block；
When the elastic element drives the plectrum opposite valve seat to rotate and squeeze the bindiny mechanism, so that the bindiny mechanism
When closing exhaust outlet by valve block, the first rotation stop plate is engaged with the bindiny mechanism.
2. locking structure as described in claim 1, which is characterized in that the first rotation stop plate is equipped at least two first teeth
Tooth, the bindiny mechanism are equipped at least one second teeth, at least one described second teeth can be embedded two adjacent
Between first teeth.
3. locking structure as described in claim 1, which is characterized in that the rotation stop piece further includes the second rotation stop plate and for connecting
The connecting plate of the first rotation stop plate Yu the second rotation stop plate is connect, the second rotation stop plate is equipped in the temperature-sensing element work
Baffle when making for preventing the first rotation stop plate from engaging with the bindiny mechanism.
4. locking structure as claimed in claim 2, which is characterized in that the bindiny mechanism includes connecting rod, axle sleeve and shaft, institute
The lower end that axis is set on the connecting rod is stated, the axle sleeve is rotatablely connected with the valve seat by the shaft, at least one institute
The second teeth are stated to be arranged on the outer wall of the axle sleeve.
5. locking structure as claimed in claim 4, which is characterized in that the connecting rod is equipped with rotation stop mating surface, the plectrum
Being equipped with can work when the temperature-sensing element stops working towards the side of the rotation stop mating surface and in the temperature-sensing element
When can be resisted against standstill face in the rotation stop mating surface, the standstill face is connected with the side by tilting section.
6. locking structure as described in claim 1, which is characterized in that the temperature-sensing element includes first be arranged on valve seat
Sheet metal, the second sheet metal and the solder for connecting first sheet metal Yu second sheet metal are set on the valve seat
There is a limiting device, when the elastic element acts on the plectrum so that the plectrum squeezes the temperature-sensing element, described the
Two sheet metals offset with the limiting device.
7. locking structure as claimed in claim 6, which is characterized in that the valve seat includes that bottom plate and two pieces are arranged at the bottom
The fixed plate upwardly extended on plate and by bottom plate, flange with outward extension in one of fixed plate, the flange
For the limiting device.
8. fire-preventing check valve, including valve body, valve block and locking structure with exhaust outlet, the locking structure connects the valve block
With the valve body and for driving the valve block to close the exhaust outlet, which is characterized in that the locking structure is claim 1
To locking structure described in one of 7.
9. fire-preventing check valve as claimed in claim 8, which is characterized in that the valve block outer wall is equipped with rubber ring, described
When valve block closes the exhaust outlet, the rubber ring and the valve block offset with the valve body respectively.
10. fire-preventing check valve as claimed in claim 8, which is characterized in that the valve body includes the valve with the exhaust outlet
Core and the installation panel being arranged on the spool, the fire-preventing check valve further includes adjusting rod and reed, described reed one end
Be connected on the valve body, described adjusting rod one end is located in the spool, the adjusting rod other end run through the spool after with
The reed other end offsets, the adjusting rod axially reciprocating, to adjust between the reed other end and installation panel
Spacing distance；Or the fire-preventing check valve further includes operating stick and fixture block, the installation panel is run through in described operating stick one end
After extend to outside the valve body, the other end of the operating stick is arranged in the fixture block, and the operating stick drives the fixture block past
Multiple movement, to adjust the spacing distance between the fixture block and the installation panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820910601.XU CN208719474U (en) | 2018-06-12 | 2018-06-12 | Locking structure and fire-preventing check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820910601.XU CN208719474U (en) | 2018-06-12 | 2018-06-12 | Locking structure and fire-preventing check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208719474U true CN208719474U (en) | 2019-04-09 |
Family
ID=65971481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820910601.XU Expired - Fee Related CN208719474U (en) | 2018-06-12 | 2018-06-12 | Locking structure and fire-preventing check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208719474U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110440036A (en) * | 2019-07-19 | 2019-11-12 | 广州市法玉环保科技有限公司 | A kind of fire-preventing check valve |
| CN111720316A (en) * | 2020-06-29 | 2020-09-29 | 安徽美芝精密制造有限公司 | Rotary compressor |
| CN111720317A (en) * | 2020-06-29 | 2020-09-29 | 安徽美芝精密制造有限公司 | Compression mechanism and rotary compressor with same |
| CN111720319A (en) * | 2020-06-29 | 2020-09-29 | 安徽美芝精密制造有限公司 | Compression mechanism of rotary compressor |
-
2018
- 2018-06-12 CN CN201820910601.XU patent/CN208719474U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110440036A (en) * | 2019-07-19 | 2019-11-12 | 广州市法玉环保科技有限公司 | A kind of fire-preventing check valve |
| CN111720316A (en) * | 2020-06-29 | 2020-09-29 | 安徽美芝精密制造有限公司 | Rotary compressor |
| CN111720317A (en) * | 2020-06-29 | 2020-09-29 | 安徽美芝精密制造有限公司 | Compression mechanism and rotary compressor with same |
| CN111720319A (en) * | 2020-06-29 | 2020-09-29 | 安徽美芝精密制造有限公司 | Compression mechanism of rotary compressor |
| CN111720317B (en) * | 2020-06-29 | 2021-11-23 | 安徽美芝精密制造有限公司 | Compression mechanism and rotary compressor with same |
| CN111720316B (en) * | 2020-06-29 | 2021-11-23 | 安徽美芝精密制造有限公司 | Rotary compressor |
| CN111720319B (en) * | 2020-06-29 | 2021-11-23 | 安徽美芝精密制造有限公司 | Compression mechanism of rotary compressor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208719474U (en) | Locking structure and fire-preventing check valve | |
| CN209195565U (en) | Valve for automobile exhausting pipeline | |
| CN106795931B (en) | Disk brake | |
| JP4982492B2 (en) | Switching valve drive mechanism | |
| JP2012041928A (en) | Single lobe deactivating rocker arm | |
| WO2012116866A1 (en) | Lifting system for furniture piece doors oscillating around a horizontal axis | |
| CN107084259A (en) | A kind of micro- torque ball valve | |
| RU2592950C2 (en) | Rotary damping device for household electrical appliance | |
| TW201339399A (en) | Damped self-centering hinge mechanism | |
| CN209494982U (en) | Rotation stop piece, toggle mechanism, locking structure and fire-preventing check valve | |
| CN209511196U (en) | Locking structure and fire-preventing check valve | |
| CN102975775A (en) | Vehicle body | |
| DE102006000546A1 (en) | Two-way clutch | |
| JP5681110B2 (en) | Rotary actuator lever device with circular concave groove | |
| CN209511155U (en) | Valve seat, locking structure and fire-preventing check valve | |
| CN106678400B (en) | A kind of fire-preventing check valve | |
| CN209495010U (en) | Bindiny mechanism, locking structure and fire-preventing check valve | |
| JP2004518838A (en) | Slide rail door closing device | |
| JP2014503750A (en) | Mechanically controllable valve assembly | |
| CN106894857B (en) | Valve opening/closing timing control device | |
| CN208268422U (en) | valve | |
| EP3458744B1 (en) | Device for a valve shutter displacement | |
| CN110553045A (en) | disk seat, locking structure and fire prevention check valve | |
| CN112392992A (en) | Intelligent energy-saving pipe force valve | |
| CN208185500U (en) | A kind of two way seal ball valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Lianzhi (Beijing) Technical Service Co.,Ltd. Assignor: HANGZHOU XIAOMI ENVIRONMENT TECHNOLOGY Co.,Ltd. Contract record no.: X2020990000381 Denomination of utility model: Valve base, locking structure and fireproof check valve Granted publication date: 20190409 License type: Exclusive License Record date: 20200727 |
|
| EC01 | Cancellation of recordation of patent licensing contract | ||
| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Lianzhi (Beijing) Technical Service Co.,Ltd. Assignor: HANGZHOU XIAOMI ENVIRONMENT TECHNOLOGY Co.,Ltd. Contract record no.: X2020990000381 Date of cancellation: 20201113 |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Lianzhi (Beijing) Technical Service Co.,Ltd. Assignor: HANGZHOU XIAOMI ENVIRONMENT TECHNOLOGY Co.,Ltd. Contract record no.: X2020990000595 Denomination of utility model: Locking structure and fire check valve Granted publication date: 20190409 License type: Exclusive License Record date: 20201113 |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190409 |