CN205918953U - Coupling mechanism and fire protecion check valve for fire protecion check valve - Google Patents
Coupling mechanism and fire protecion check valve for fire protecion check valve Download PDFInfo
- Publication number
- CN205918953U CN205918953U CN201620865995.2U CN201620865995U CN205918953U CN 205918953 U CN205918953 U CN 205918953U CN 201620865995 U CN201620865995 U CN 201620865995U CN 205918953 U CN205918953 U CN 205918953U
- Authority
- CN
- China
- Prior art keywords
- fire
- check valve
- linkage section
- bindiny mechanism
- connecting rod
- 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.)
- Withdrawn - After Issue
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- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
- Check Valves (AREA)
Abstract
The utility model relates to a coupling mechanism and fire protecion check valve for fire protecion check valve has solved the problem that fire protecion check valve user experience is poor, maintenance frequency is high. A coupling mechanism for the fire protecion check valve, includes the connecting rod, be equipped with on the connecting rod and dodge the groove, coupling mechanism still includes the axle sleeve, the axle sleeve include first annular section and with the second annular section that the connecting rod is connected, the outline of the radial cross section of first annular section is circular, be equipped with first mounting hole in the first annular section, be equipped with in the second annular section with the second mounting hole that first mounting hole corresponds, first mounting hole with second mounting hole concatenation forms the installation passageway that is used for connecting the pivot, and first mounting hole and/or the second mounting hole is the screw hole.
Description
Technical field
This utility model is related to a kind of fire-preventing check valve bindiny mechanism and fire-preventing check valve.
Background technology
Fire-preventing check valve includes valve body, valve block, torsion spring and connecting rod, and valve body has air inlet and air outlet, and valve block lid is located at
On air outlet, connecting rod one end is rotated with valve body and is connected, and the connecting rod other end is rotated with valve block and is connected, when torsion spring drive link is relative to valve
When body rotates, valve block can close air outlet.
Existing connecting rod is provided with axis hole, and fire-preventing check valve also includes rotating shaft, and rotating shaft is fixed on valve body, runs through in rotating shaft
After axis hole, connecting rod can rotate around valve body；For limiting connecting rod along the scope of rotating shaft axially-movable, rotating shaft is socketed with two nuts,
Connecting rod is located between two nuts.However, connecting rod can extrude nut in the course of the work, and lead to the interval between two nuts
Distance is continuous to become big, when the spacing distance between two nuts becomes big, connecting rod easily along the axial direction run-off the straight of rotating shaft, this
Fire-preventing check valve poor user experience and frequency of maintenance can be led to high.
Content of the invention
Problem to be solved in the utility model is exactly to provide a kind of fire-preventing check valve bindiny mechanism and fire-preventing check valve,
To improve the Consumer's Experience of fire-preventing check valve, and reduce its frequency of maintenance.
For solving the above problems, this utility model following technical scheme of offer:
A kind of fire-preventing check valve bindiny mechanism, including connecting rod, described connecting rod is provided with escape groove, and described bindiny mechanism is also
Including axle sleeve, described axle sleeve includes first annular section and the second ring segment being connected with described connecting rod, described first annular section of footpath
To cross section outline be circle, described first annular section is provided with the first installing hole, described second ring segment be provided with
Corresponding second installing hole of described first installing hole, described first installing hole is spliced to form for being connected with described second installing hole
The installation passage of rotating shaft, and described first installing hole and/or described second installing hole are screwed hole.
Further, described connecting rod includes the first linkage section and the second linkage section being connected with described first linkage section, institute
State the first linkage section and described second linkage section and surround described escape groove, described second ring segment and described second linkage section away from
The end of described first linkage section connects.
Further, the junction arc transition of described first linkage section and described second linkage section.
Further, the angle between described first linkage section and described second linkage section is less than 90 °.
Further, described second linkage section is provided with location hole, after described axle sleeve runs through described location hole, described second
Ring segment is connected with the hole wall of described location hole.
Further, on the axial direction of described location hole, it is described fixed that its axial dimension is more than described second ring segment
The axial dimension in position hole.
Further, described second ring segment is connected as a single entity after being welded with described connecting rod.
A kind of fire-preventing check valve, including body, valve block, rotating shaft, bindiny mechanism and flexible member, described body is provided with row
QI KOU, described valve block lid is located on described air vent, and described rotating shaft is connected with described body, and described rotating shaft is passed through with described valve block
Described bindiny mechanism connects, and described flexible member drives described bindiny mechanism around described axis of rotation, to keep described valve block to close
Close the trend of described air vent, described bindiny mechanism is fire-preventing check valve bindiny mechanism described in any of the above-described technical scheme.
Further, the notch of described escape groove is corresponding with described valve block.
Further, described flexible member is enclosed within described first annular section.
The beneficial effects of the utility model:
1st, connecting rod of the present utility model is provided with escape groove, and in the case that fuse member not yet fuses, escape groove is used for increasing
Plus the spacing distance between connecting rod and driving lever, to avoid connecting rod to interfere with driving lever in motor process.It is so designed that, pass through
Improve the reliability of connecting rod work, to improve the Consumer's Experience of fire-preventing check valve.
2nd, axle sleeve of the present utility model includes first annular section and the second ring segment, and wherein, first annular section of radial direction is transversal
The outline in face is circle.Because the second ring segment is connected with connecting rod, therefore, first annular section extends to outside connecting rod, when first
When the outline of ring segment radial cross-section is circular, user assemble or maintenance fire-preventing check valve during, can avoid by
First annular section of outline scratches.It is so designed that, effectively improve the Consumer's Experience of fire-preventing check valve.
3rd, flexible member of the present utility model is enclosed within first annular section, when the outline of first annular section of radial cross-section
During for circle, the frictional resistance that flexible member is produced in the course of the work between first annular section will greatly reduce.So set
Meter, the difficulty that valve block closes air vent will be reduced, and this will effectively improve the effect that fire-preventing check valve completely cuts off flue gas, changes sentence
Talk about, the flue gas in oil-smoke expulsion pipe is difficult to, in the case that valve block closes air vent, enter in the family of access customer.
4th, the first installing hole of the present utility model and/or the second installing hole are screwed hole, when the first installing hole and/or second
When installing hole is screwed hole, connecting rod will be difficult to the axial direction run-off the straight along rotating shaft, when connecting rod is difficult to the axial direction side along rotating shaft
To during run-off the straight, valve block will be all along the path motion planned during design.It is so designed that, can effectively reduce fire prevention and stop
Return the frequency of maintenance of valve.
Brief description
Fig. 1 is the fragmentary front view of fire-preventing check valve in this utility model embodiment two；
Fig. 2 is the side view of bindiny mechanism in this utility model embodiment one；
Fig. 3 is the sectional view of this utility model embodiment one bottom bracket axle；
Fig. 4 is the top view of this utility model embodiment two bottom bracket axle；
Fig. 5 is the top view of driving lever in this utility model embodiment two.
Specific embodiment
The technical scheme of this utility model embodiment is explained with reference to the accompanying drawing of this utility model embodiment and
Illustrate, but following embodiment is only preferred embodiment of the present utility model, and not all.Based on the embodiment in embodiment,
Those skilled in the art's obtained other embodiment on the premise of not making creative work, broadly falls into of the present utility model
Protection domain.
Embodiment one
With reference to Fig. 2 and Fig. 3, a kind of fire-preventing check valve bindiny mechanism, including connecting rod 1 and axle sleeve 2, connecting rod 1 is provided with to be kept away
Allow groove 13, axle sleeve 2 includes first annular section 22 and the second ring segment 21 being connected with connecting rod 1, first annular section 22 radially transversal
The outline in face is circle, and first annular section 22 is provided with the first installing hole 221, and the second ring segment 21 is provided with and the first installation
Corresponding second installing hole 211 in hole 221, the first installing hole 221 and the second installing hole 211 are spliced to form the peace for connection rotating shaft
Dress passage, and the first installing hole 221 and the second installing hole 211 are screwed hole.In other embodiment of the present utility model, the
One installing hole is screwed hole；Or, the second installing hole is screwed hole.
With reference to Fig. 2, the connecting rod 1 of the present embodiment includes the first linkage section 11 and the second connection being connected with the first linkage section 11
Section 12, the first linkage section 11 and the second linkage section 12 surround escape groove 13, and the second ring segment 21 and the second linkage section 12 are away from the
The end of one linkage section 11 connects, specific: the first linkage section 11 is vertically arranged, the second linkage section 12 horizontally set, and first even
The angle connecing between section 11 and the second linkage section 12 is d, 90 ° of α ＜.As 90 ° of α ＜, the length of connecting rod can suitably reduce, and this is just
It is meant that when d >=90 °, fire-preventing check valve also can normal work.In other embodiment of the present utility model, connecting rod includes
First linkage section, the second linkage section and the 3rd linkage section for connecting the first linkage section and the second linkage section, the first linkage section,
Second linkage section and the 3rd linkage section surround described escape groove, and the second ring segment and the second linkage section are away from the end of the 3rd linkage section
Portion connects.
With reference to Fig. 2 it is preferred that the junction arc transition of the first linkage section 11 and the second linkage section 12.New in this practicality
In the other embodiment of type, the junction chamfered transition of the first linkage section and the second linkage section.
With reference to Fig. 2 and Fig. 3, second linkage section 12 of the present embodiment is provided with location hole 121, and axle sleeve 2 runs through location hole 121
Afterwards, the second ring segment 21 is connected with the hole wall of location hole 121.In other embodiment of the present utility model, connecting rod is provided with fixed
Position groove, the side cell wall of locating slot is provided with the first opening, and the opposite side cell wall of locating slot is provided with the second opening, the first opening
Corresponding with the second opening, when axle sleeve insertion locating slot, first annular section extends to outside the first opening, and the second ring segment extends to
Outside second opening.
Preferably, on the axial direction of location hole 121, its axial dimension is more than location hole 121 to the second ring segment 21
Axial dimension.In other embodiment of the present utility model, the second ring segment on the axial direction of location hole, its axial dimension
Axial dimension less than or equal to location hole.
With reference to Fig. 2 and Fig. 4, the outline of the cross section of location hole 121 and the second ring segment 21 radial cross-section is polygon
Shape, specific: the cross section of location hole 121 is hexagon, the outline of the second ring segment 21 radial cross-section is hexagon.?
In other embodiment of the present utility model, the outline of the cross section of location hole and the second ring segment radial cross-section can be round
Shape, triangle, pentagon etc..
With reference to Fig. 2 and Fig. 4, when axle sleeve 2 runs through location hole 121, after the second ring segment 21 and connecting rod 1 welding, it is linked as one
Body.In other embodiment of the present utility model, the second ring segment is threadeded with connecting rod；Or, the second ring segment and company
Bar is integrally formed.
With reference to Fig. 2, first linkage section 11 of the present embodiment is provided with through hole 111 away from the end of the second linkage section 12.Through hole
111 are used for realizing connecting rod 1 is rotated with valve block and is connected；Or, through hole 111 is used for realizing connecting rod 1 with valve block by connector even
Connect, and described connecting rod 1 can rotate relative to valve block.In other embodiment of the present utility model, the first linkage section is away from second
The end of linkage section is provided with screw rod, or, it is connected as a single entity after the first linkage section and valve block welding.
Embodiment two
With reference to Fig. 1, a kind of fire-preventing check valve, including body, valve block, rotating shaft 31, bindiny mechanism and flexible member, this enforcement
Described flexible member is referred to as the first flexible member 4 for ease of distinguishing by example, and body is provided with air vent, and valve block lid is located at described row
In QI KOU, rotating shaft 31 is connected with body, and rotating shaft 31 is connected by bindiny mechanism with valve block, the first flexible member 4 drive connection machine
Structure 31 rotation around the shaft, to keep valve block to close the trend of air vent, bindiny mechanism is fire-preventing check valve described in embodiment one
Use bindiny mechanism.
With reference to Fig. 1, the body of the present embodiment includes valve body and the valve seat 8 being fixed on valve body, and valve body is provided with wind-guiding and leads to
Road, air-guiding aisle has air inlet and air outlet, and described air vent is air outlet, and valve block lid is located at air outlet, valve seat 5 with lead
Wind passage is connected by screw adjacent to the side wall of air outlet.In other embodiment of the present utility model, described air vent be into
Air port, valve block lid is located at air inlet, and valve seat is connected as a single entity by welding adjacent to the side wall of air inlet with air-guiding aisle；Or
It is that valve seat is connected by screw adjacent to the side wall of air inlet with air-guiding aisle.
With reference to Fig. 1 and Fig. 5, fire-preventing check valve also includes driving lever 5, fuse member 6 and the second flexible member 7, driving lever 5 and fusing
Part 6 is rotated with body and is connected, and the second flexible member 7 one end is connected with body, and the second flexible member 7 other end is connected with driving lever 5
And order about driving lever 5 and offset with fuse member 6, specific: the driving lever 5 of the present embodiment is provided with first rotating shaft 521 and the second rotating shaft
531, first rotating shaft 521 is concordant with the second rotating shaft 531, and driving lever 5 includes being provided with the first linkage section 52 of first rotating shaft 521, sets
It is equipped with the second linkage section 53 and the drive section 51 of the second rotating shaft 531, the first linkage section 52 and the second linkage section 53 pass through drive section
51 connections, valve seat 8 is provided with the first axis hole and the second axis hole, when first rotating shaft 521 inserts the first axis hole, and the second rotating shaft 531
When inserting the second axis hole, driving lever 5 can rotate around valve seat 8, and that is, driving lever 5 is rotated with valve seat 8 and is connected；The fire-preventing check valve of the present embodiment
Also include screw 3, described rotating shaft 31 is the bar portion of screw 3, rotating shaft 31 is threadeded with valve seat 8 after passing through fuse member 6, now,
Fuse member 6 can rotate around valve seat 8, and that is, fuse member 6 is rotated with valve seat 8 and is connected.
With reference to Fig. 1 and Fig. 5, the operation principle of driving lever 5: after fuse member 6 high temperature melting, the second flexible member 7 discharges elasticity
To drive driving lever 5 to rotate around valve seat 8, in driving lever 5 in valve seat 8 rotation process, drive section 51 moves downward potential energy, to realize driving
The lateral wall 511 of dynamic section 51 extrudes the upper surface of the second linkage section.When the lateral wall 511 of drive section 51 extrudes the second linkage section
During upper surface, drive section 51 is slided along the upper surface of the second linkage section, slides along the upper surface of the second linkage section in drive section 51
During, the second linkage section can drive 31 rotation around the shaft of the first linkage section, closes air vent to realize valve block.
In the present embodiment, the notch of escape groove is corresponding with valve block, when escape groove notch and valve block to corresponding when driving lever 5
Between connecting rod 1 and valve block, in other words, connecting rod 1 can increase the difficulty that user touches driving lever 5.It is so designed that, can effectively improve
Fire-preventing check valve is using and the safety in maintenance process.
With reference to Fig. 1, first flexible member 4 of the present embodiment is torsion spring, and the first flexible member 4 is enclosed within first annular section,
First flexible member 4 one end is connected with connecting rod 1, and the first flexible member 4 other end is connected with valve seat 8, specific: the first elasticity unit
Part 4 one end is connected on connecting rod 1, and the first flexible member 4 other end is connected on valve seat 8.
With reference to Fig. 1 and Fig. 5, second flexible member 7 of the present embodiment is torsion spring, and the elastic force of the second flexible member 7 is more than the
The elastic force of one flexible member 4, wherein, the second flexible member 7 is enclosed within the second rotating shaft 531, specific: the valve seat 8 of the present embodiment
It is provided with spacing hole, the second linkage section 53 is provided with gag lever post 532, gag lever post 532 is parallel with the second rotating shaft 531, the second elasticity
Spacing in the hole is inserted in element 7 one end, and the second flexible member 7 other end is offseted with the lower surface of gag lever post 532.
In the present embodiment, driving lever 5 moves according to lever principle, and that is, gag lever post 532 and drive section 51 are arranged on the second connection
Section 53 is located at the both sides of the second rotating shaft 531.
The above, specific embodiment only of the present utility model, but protection domain of the present utility model does not limit to
In this, those of ordinary skill in the art should be understood that this utility model includes but is not limited to accompanying drawing and specific embodiment above
Described in content.Any modification without departing from function and structure principle of the present utility model is intended to be included in claims
In scope.
Claims (10)
1. a kind of fire-preventing check valve bindiny mechanism, including connecting rod it is characterised in that described connecting rod is provided with escape groove, described
Bindiny mechanism also includes axle sleeve, and described axle sleeve includes first annular section and the second ring segment being connected with described connecting rod, and described
The outline of one ring segment radial cross-section is circle, and described first annular section is provided with the first installing hole, described second annular
Section is provided with second installing hole corresponding with described first installing hole, described first installing hole and described second installing hole splicing shape
Become the installation passage for connection rotating shaft, and described first installing hole and/or described second installing hole are screwed hole.
2. fire-preventing check valve as claimed in claim 1 with bindiny mechanism it is characterised in that described connecting rod include the first linkage section and
The second linkage section being connected with described first linkage section, described first linkage section and described second linkage section surround described avoidance
Groove, described second ring segment is connected away from the end of described first linkage section with described second linkage section.
3. fire-preventing check valve as claimed in claim 2 with bindiny mechanism it is characterised in that described first linkage section and described second
The junction arc transition of linkage section.
4. fire-preventing check valve as claimed in claim 2 with bindiny mechanism it is characterised in that described first linkage section and described second
Angle between linkage section is less than 90 °.
5. fire-preventing check valve as claimed in claim 2 with bindiny mechanism it is characterised in that described second linkage section is provided with positioning
Hole, after described axle sleeve runs through described location hole, described second ring segment is connected with the hole wall of described location hole.
6. fire-preventing check valve as claimed in claim 5 with bindiny mechanism it is characterised in that described second ring segment is in described positioning
On the axial direction in hole, its axial dimension is more than the axial dimension of described location hole.
7. as described in one of claim 1 to 6 fire-preventing check valve with bindiny mechanism it is characterised in that described second ring segment with
It is connected as a single entity after described connecting rod welding.
8. a kind of fire-preventing check valve, including body, valve block, rotating shaft, bindiny mechanism and flexible member, described body is provided with aerofluxuss
Mouthful, described valve block lid is located on described air vent, and described rotating shaft is connected with described body, and described rotating shaft passes through institute with described valve block
State bindiny mechanism to connect, described flexible member drives described bindiny mechanism around described axis of rotation, to keep described valve block to close
The trend of described air vent is it is characterised in that described bindiny mechanism connects for the described fire-preventing check valve of one of claim 1 to 7
Connection mechanism.
9. fire-preventing check valve as claimed in claim 8 is it is characterised in that the notch of described escape groove is corresponding with described valve block.
10. fire-preventing check valve as claimed in claim 8 is it is characterised in that described flexible member is enclosed within described first annular section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620865995.2U CN205918953U (en) | 2016-08-09 | 2016-08-09 | Coupling mechanism and fire protecion check valve for fire protecion check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620865995.2U CN205918953U (en) | 2016-08-09 | 2016-08-09 | Coupling mechanism and fire protecion check valve for fire protecion check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205918953U true CN205918953U (en) | 2017-02-01 |
Family
ID=57870652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620865995.2U Withdrawn - After Issue CN205918953U (en) | 2016-08-09 | 2016-08-09 | Coupling mechanism and fire protecion check valve for fire protecion check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205918953U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090346A (en) * | 2016-08-09 | 2016-11-09 | 杭州小米环境科技有限公司 | A kind of fire-preventing check valve bindiny mechanism and fire-preventing check valve |
-
2016
- 2016-08-09 CN CN201620865995.2U patent/CN205918953U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090346A (en) * | 2016-08-09 | 2016-11-09 | 杭州小米环境科技有限公司 | A kind of fire-preventing check valve bindiny mechanism and fire-preventing check valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170201 Effective date of abandoning: 20181225 |
|
| AV01 | Patent right actively abandoned |