CN209041613U - Knife gate valve that security performance is high - Google Patents
Knife gate valve that security performance is high Download PDFInfo
- Publication number
- CN209041613U CN209041613U CN201821803253.2U CN201821803253U CN209041613U CN 209041613 U CN209041613 U CN 209041613U CN 201821803253 U CN201821803253 U CN 201821803253U CN 209041613 U CN209041613 U CN 209041613U
- Authority
- CN
- China
- Prior art keywords
- wall
- fixed cylinder
- valve
- welded
- security performance
- 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
- 230000005540 biological transmission Effects 0.000 claims abstract description 17
- 239000007787 solid Substances 0.000 abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 238000003466 welding Methods 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Mechanically-Actuated Valves (AREA)
Abstract
The utility model discloses a sword type gate valve that security performance is high, which comprises a fixing plate and i, the bottom of fixed plate is passed through the bolt fastening and is had first solid fixed cylinder, and the threaded hole is all opened at the top of fixed plate and first solid fixed cylinder, threaded hole female connection has the valve rod, be equipped with transmission screw thread on the outer wall of valve rod, the bottom welding of first solid fixed cylinder has the solid fixed cylinder of second, and the solid fixed cylinder of second is cylindrical structure, the welding has the fixed block that the equidistance distributes on the outer wall of one side of the solid fixed cylinder of second, and opens on the outer wall of one side of fixed block and have the fixed orifices, it has the limbers to open on the outer wall of one side. The utility model discloses can directly carry out the atress under the effect of rotating the head, drive the valve plate and rotate, the opening and shutting of control water service mouth, the centre does not have too much drive mechanism, and is more laborsaving, slides when having avoided it to receive the impact force, endangers user's safety, convenient to use.
Description
Technical field
The utility model relates to gate valve technical field more particularly to a kind of knife gate valves that security performance is high.
Background technique
Knife gate valve is that plate valve plate is changed to knife type valve plate on the basis of common gate valve.Knife gate valve is small in size with its, flows
It hinders small, light-weight.It is divided by the screw position of valve rod, knife gate valve can be divided into two kinds of rising stem (RS.) knife gate valve and dark bar knife gate valve.
General knife gate valve passes through rotation rotary head when in use carries out that valve plate is driven to be rotated, and seals outlet pass
It is blocked, but has and be many times easy water spray when blocking, and be easy unbalance stress during rotating rotary head and hold
Sliding is easily caused, is in the course of rotation typically all to directly control, stress, not intermediate conduction, buffer structure, not enough peace
Entirely, it is not able to satisfy the requirement of people.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of security performance proposed is high
Knife gate valve.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of knife gate valve that security performance is high, including fixed plate, the bottom of the fixed plate have been bolted
One fixed cylinder, and the top of fixed plate and the first fixed cylinder is provided with threaded hole, the threaded hole internal screw thread is connected with valve rod, institute
The outer wall for stating valve rod is equipped with motion thread, and the bottom of first fixed cylinder is welded with the second fixed cylinder, and the second fixed cylinder
For cylindrical structure, the fixed block equidistantly distributed, and the one of fixed block are welded on the side outer wall of second fixed cylinder
It is provided with fixation hole on the outer wall of side, outlet pass, the side of second fixed cylinder are provided on the side outer wall of second fixed cylinder
Transmission device there are two being set on inner wall, and two transmission devices are located at the two sides of valve rod, the transmission device includes pin shaft,
And pin shaft is welded on the side outer wall of the second fixed cylinder, and the outer wall of pin shaft is equipped with gear, the side outer wall of the gear
On be welded with connecting rod, and connecting rod is welded with semicircular valve plate far from one end of gear, and the diameter of the valve plate is greater than logical
The diameter at the mouth of a river.
Further, it is welded with rotary head at the top of the valve rod, and is provided with antiskid thread on the outer wall of rotary head, rotated
The outer wall of head is equipped with the anti-slip protrusion equidistantly distributed.
Further, the spacing between two gears is adapted with the specification of valve rod, and the motion thread on valve rod
It is meshed with gear.
Further, the opposite side outer wall of two valve plates is equipped with attachment device, and attachment device includes first
Link block and the second link block.
Further, first link block and the second link block are respectively welded on two valve plates, and the first link block
Link slot is provided on the side outer wall of the second link block.
Further, second link block is welded with connector on the side outer wall of the first link block, and connects
The specification of head and the specification of link slot are adapted, and are bonded on the outer wall of connector and are equidistantly distributed rubber block.
Further, spring is welded on the side outer wall of second fixed cylinder, and the other end of spring and valve plate weld
It connects.
The utility model has the following beneficial effects:
1. the setting by valve rod and motion thread can directly carry out stress under the action of rotary head, by being driven spiral shell
Engaged transmission relation between line and gear, when valve rod moves up and down, band moving gear is rotated, so that valve plate be driven to carry out
Rotation, controls the folding of outlet pass.
2. not excessive transmission mechanism, relatively labor-saving among device, nor valve plate is stressed directly, avoid its by
It is slided when impact force, injures the safety of user.
3. it is squeezed when excessive by the angle that the setting of spring can be opened and closed in valve plate, prevents it by hydraulic pressure
It is excessive, be rotated up, cause the damage of device, when valve plate needs to open, pull valve plate, when preventing from just opening due to hydraulic pressure and
The influence of negative pressure is difficult to open, and improves the convenience that device uses.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of high knife gate valve of security performance schematic view of the front view；
Fig. 2 be the utility model proposes a kind of high knife gate valve of security performance broken section structural schematic diagram.
Fig. 3 be the utility model proposes a kind of high knife gate valve of security performance attachment device structural schematic diagram.
In figure: 1 rotary head, 2 valve rods, 3 fixed plates, 4 first fixed cylinders, 5 second fixed cylinders, 6 fixed blocks, 7 outlet passes, 8
Motion thread, 9 transmission devices, 10 gears, 11 pin shafts, 12 connecting rods, 13 valve plates, 14 attachment devices, 15 springs, 16 first connections
Block, 17 link slots, 18 second link blocks, 19 connectors, 20 rubber blocks.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-3, a kind of knife gate valve that security performance is high, including fixed plate 3, the bottom of fixed plate 3 pass through bolt
It is fixed with the first fixed cylinder 4, and the top of fixed plate 3 and the first fixed cylinder 4 is provided with threaded hole, threaded hole internal screw thread is connected with
Valve rod 2, the outer wall of valve rod 2 are equipped with motion thread 8, and the bottom of the first fixed cylinder 4 is welded with the second fixed cylinder 5, and second is solid
Safety barrel 5 is cylindrical structure, is welded with the fixed block 6 equidistantly distributed, and fixed block 6 on the side outer wall of the second fixed cylinder 5
Side outer wall on be provided with fixation hole, outlet pass 7, the side of the second fixed cylinder 5 are provided on the side outer wall of the second fixed cylinder 5
Transmission device 9 there are two being set on inner wall, and two transmission devices 9 are located at the two sides of valve rod 2, pass through valve rod 2 and transmission spiral shell
Line 8 directly carries out stress under the action of rotary head 1, by the engaged transmission relation between motion thread 8 and gear 10, in valve
Band moving gear 10 is rotated when bar 2 moves up and down, so that valve plate 13 be driven to be rotated, controls the folding of outlet pass 7, transmission
Device 9 includes pin shaft 11, and pin shaft 11 is welded on the side outer wall of the second fixed cylinder 5, and the outer wall of pin shaft 11 is equipped with tooth
10 are taken turns, is welded with connecting rod 12 on the side outer wall of gear 10, and connecting rod 12 is welded with semicircle far from one end of gear 10
Valve plate 13, the diameter of valve plate 13 is greater than the diameter of outlet pass 7.
In the utility model, the top of valve rod 2 is welded with rotary head 1, and is provided with antiskid thread on the outer wall of rotary head 1,
The outer wall of rotary head 1 is equipped with the anti-slip protrusion equidistantly distributed, and the specification of spacing and valve rod 2 between two gears 10 is mutually fitted
Match, and the motion thread 8 on valve rod 2 is meshed with gear 10, the opposite side outer wall of two valve plates 13 is equipped with attachment device
14, and attachment device 14 includes the first link block 16 and the second link block 18.
First link block 16 and the second link block 18 are respectively welded on two valve plates 13, and the first link block 16 is close to
Link slot 17 is provided on the side outer wall of two link blocks 18, the second link block 18 welds on the side outer wall of the first link block 16
It is connected to connector 19, and the specification of connector 19 and the specification of link slot 17 are adapted, and are bonded on the outer wall of connector 19
Range distribution rubber block 20 is welded with spring 15 on the side outer wall of second fixed cylinder 5, is opened and closed by spring 15 in valve plate 13
It is squeezed when angle is excessive, prevents it excessive by hydraulic pressure, is rotated up, and the other end of spring 15 and valve plate 13 weld
It connects.
Working principle: directly carrying out stress under the action of rotary head 1 by valve rod 2 and motion thread 8, by being driven spiral shell
Engaged transmission relation between line 8 and gear 10, when valve rod 2 moves up and down, band moving gear 10 is rotated, to drive valve
Plate 13 is rotated, and controls the folding of outlet pass 7, intermediate not excessive transmission mechanism is relatively labor-saving, nor valve plate 13 is straight
Capacity, sliding when avoiding it by impact force injure the safety of user, the angle opened and closed by spring 15 in valve plate 13
It is squeezed when excessive, prevents it excessive by hydraulic pressure, is rotated up, causes the damage of device, is opened in the needs of valve plate 13
Qi Shi pulls valve plate 13 to improve the convenience that device uses since the influence of hydraulic pressure and negative pressure is difficult to open when preventing from just opening
Property.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (7)
1. a kind of knife gate valve that security performance is high, including fixed plate (3), which is characterized in that the bottom of the fixed plate (3) is logical
It crosses bolt to be fixed with the first fixed cylinder (4), and the top of fixed plate (3) and the first fixed cylinder (4) is provided with threaded hole, the spiral shell
Pit internal screw thread is connected with valve rod (2), and the outer wall of the valve rod (2) is equipped with motion thread (8), first fixed cylinder (4)
Bottom be welded with the second fixed cylinder (5), and the second fixed cylinder (5) be cylindrical structure, the side of second fixed cylinder (5)
It is welded with the fixed block (6) equidistantly distributed on outer wall, and is provided with fixation hole on the side outer wall of fixed block (6), described second
Be provided on the side outer wall of fixed cylinder (5) outlet pass (7), set on the side inner wall of second fixed cylinder (5) there are two transmission
Device (9), and two transmission devices (9) are located at the two sides of valve rod (2), the transmission device (9) includes pin shaft (11), and
Pin shaft (11) is welded on the side outer wall of the second fixed cylinder (5), and the outer wall of pin shaft (11) is equipped with gear (10), the tooth
It takes turns and is welded with connecting rod (12) on the side outer wall of (10), and connecting rod (12) is welded with semicircle far from the one end of gear (10)
Valve plate (13), the diameter of the valve plate (13) is greater than the diameter of outlet pass (7).
2. a kind of high knife gate valve of security performance according to claim 1, which is characterized in that the top of the valve rod (2)
Portion is welded with rotary head (1), and antiskid thread is provided on the outer wall of rotary head (1), and the outer wall of rotary head (1) is equipped with equidistant
The anti-slip protrusion of distribution.
3. a kind of high knife gate valve of security performance according to claim 1, which is characterized in that two gears (10)
Between spacing be adapted with the specification of valve rod (2), and the motion thread (8) on valve rod (2) is meshed with gear (10).
4. a kind of high knife gate valve of security performance according to claim 1, which is characterized in that two valve plates (13)
Opposite side outer wall is equipped with attachment device (14), and attachment device (14) includes the first link block (16) and the second link block
(18).
5. a kind of high knife gate valve of security performance according to claim 4, which is characterized in that first link block
(16) it is respectively welded on two valve plates (13) with the second link block (18), and the first link block (16) is close to the second link block
(18) link slot (17) are provided on side outer wall.
6. a kind of high knife gate valve of security performance according to claim 4, which is characterized in that second link block
(18) it is welded with connector (19) on the side outer wall of the first link block (16), and the specification and link slot of connector (19)
(17) specification is adapted, and is bonded on the outer wall of connector (19) and is equidistantly distributed rubber block (20).
7. a kind of high knife gate valve of security performance according to claim 1, which is characterized in that second fixed cylinder
(5) it is welded on side outer wall spring (15), and the other end of spring (15) and valve plate (13) are welded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821803253.2U CN209041613U (en) | 2018-11-02 | 2018-11-02 | Knife gate valve that security performance is high |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821803253.2U CN209041613U (en) | 2018-11-02 | 2018-11-02 | Knife gate valve that security performance is high |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209041613U true CN209041613U (en) | 2019-06-28 |
Family
ID=67040731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821803253.2U Expired - Fee Related CN209041613U (en) | 2018-11-02 | 2018-11-02 | Knife gate valve that security performance is high |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209041613U (en) |
-
2018
- 2018-11-02 CN CN201821803253.2U patent/CN209041613U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208457330U (en) | A kind of blowdown valve equipped with anti-block apparatus | |
| CN209041613U (en) | Knife gate valve that security performance is high | |
| CN208764356U (en) | A kind of hand liquid-operated flat valve | |
| CN206175747U (en) | Diaphragm formula low pressure relief valve | |
| CN107218434B (en) | AP1000 heap-type nuclear power unit injection needle valve extension rod | |
| CN208204028U (en) | A kind of shut-off valve of preventing water leakage | |
| CN207841169U (en) | A kind of tower crane standard knot bolt clamp device | |
| CN209540084U (en) | One kind can Automatic-cleaning type ball valve | |
| CN208703172U (en) | A kind of manual ball valve | |
| CN108134477B (en) | Motor drive shaft for vehicle wiper | |
| CN204985793U (en) | Take pressure relief device's gate valve | |
| CN212928874U (en) | Swing check valve | |
| CN205371664U (en) | Rotary drum vacuum valve case stop gear | |
| CN203548944U (en) | Pneumatic valve special for powder | |
| CN206206620U (en) | A kind of toothed chain extending type stop valve | |
| CN203258137U (en) | Multifunctional mechanical time-delay water faucet | |
| CN105953846B (en) | Passive self-control liquid flow meter | |
| CN201866318U (en) | Diaphragm valve for nuclear power water system | |
| CN210003849U (en) | gate valve with bypass | |
| CN208138563U (en) | A kind of shut-off valve self-lock switch device | |
| CN205118313U (en) | Scale deposit ball valve is prevented to ultrasonic wave automatically cleaning | |
| CN110513502A (en) | Crystallize dedicated regulation valve | |
| CN206130161U (en) | Flow adjusting valve | |
| CN212745298U (en) | Flow control valve | |
| CN203115136U (en) | Butterfly valve with crankshaft |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190628 Termination date: 20201102 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |