CN108488394A - A kind of biconial fluid pressure type valve - Google Patents
A kind of biconial fluid pressure type valve Download PDFInfo
- Publication number
- CN108488394A CN108488394A CN201810416314.8A CN201810416314A CN108488394A CN 108488394 A CN108488394 A CN 108488394A CN 201810416314 A CN201810416314 A CN 201810416314A CN 108488394 A CN108488394 A CN 108488394A
- Authority
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- China
- Prior art keywords
- annular
- fluid pressure
- pressure type
- biconial
- cavity
- 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.)
- Granted
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- 239000012530 fluid Substances 0.000 title claims abstract description 44
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 26
- 230000002093 peripheral effect Effects 0.000 claims abstract description 24
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 18
- 239000007788 liquid Substances 0.000 claims abstract description 8
- 239000011159 matrix material Substances 0.000 claims description 47
- 238000005266 casting Methods 0.000 claims description 13
- 230000007704 transition Effects 0.000 claims description 10
- 208000002925 dental caries Diseases 0.000 claims description 3
- 238000007789 sealing Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 4
- 229910001369 Brass Inorganic materials 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 239000010951 brass Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000003319 supportive effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/44—Details of seats or valve members of double-seat valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/36—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor
Abstract
The invention discloses a kind of biconial fluid pressure type valves, the flexible conical head switching device of the fluid pressure type of the biconial fluid pressure type valve is made of the ring flange of shell and connection center terminal pad, the shell is internally provided with a hydraulic oil cylinder, hydraulic fluid chamber is formed between the periphery and the inner wall of the shell of the hydraulic oil cylinder, the piston rod of the hydraulic oil cylinder and a piston is slidably matched, and several sealing rings are equipped between the hydraulic oil cylinder and the piston rod, the end of the piston rod of the piston is equipped with pedestal, one end cap is fixedly connected on by a screw on the end face of the end of the pedestal, seal head is equipped between the pedestal and the end cap, when valve is closed, the piston rod is protruding to make the peripheral surface of the seal head prevent liquid from entering in hydraulic fluid chamber with the inner wall close contact of the conical pipe of the shell.Due to the above structure, so that the sealing effect of the present invention is more preferable.
Description
Technical field
The present invention relates to a kind of valves, and in particular to a kind of biconial fluid pressure type valve.
Background technology
Valve is for being opened and closed pipeline, control flow direction, the parameter (temperature, pressure and flow) for adjusting and controlling pumped (conveying) medium
Pipeline fittings.According to its function, shut-off valve, check-valves, regulating valve etc. can be divided into.Valve is the control in fluid delivery system
Component has the function of cut-off, adjusting, water conservancy diversion, prevents adverse current, voltage stabilizing, shunting or overflow pressure relief etc..For fluid control systems
Valve, various valves, kind and specification used in from simplest shut-off valve to extremely complex robot control system(RCS) are quite numerous
It is more.Valve can be used for controlling empty gas and water, steam, various Korrosionsmediums, mud, oil product, liquid metal and radiating medium etc.
The flowing of various types fluid.
Chinese patent CN201710891751.0 discloses a kind of biconial fluid pressure type valve, is filled by hydraulic pressure system of kinetic energy
It sets, stretch conical head switching device right side, hydraulic oil cavity, fluid pressure type of fluid pressure type stretches four main parts in a conical head switching device left side
It is grouped as, it is characterized in that：The connection relation of four parts is that hydraulic pressure system of kinetic energy device is by screw connection, conical head switch
The device right side, the flexible conical head switching device left side of hydraulic oil cavity, fluid pressure type are connected by sealing ring.
The flexible conical head switching device right side of fluid pressure type in above-mentioned patent document and the flexible conical head switching device of fluid pressure type
A left side is since it is to realize that valve is closed using the close contact of the inner wall of brass conical head and conical shell, brass conical head and cone
Shape shell, which is required to high-precision, fine must coordinate, and rigid impact can occur in closing course, be easy to cause brass taper
Head and conical shell damage and cause to leak.
Invention content
A kind of sealing effect is good in view of this, the present invention provides, fluid pressure type stretches conical head switching device not easy damaged
Biconial fluid pressure type valve.
To achieve the above object, the present invention provides the following technical solutions：
A kind of biconial fluid pressure type valve, wherein the flexible conical head switch of the fluid pressure type of the biconial fluid pressure type valve
Device is made of the ring flange of shell and connection center terminal pad, and the shell is internally provided with a hydraulic oil cylinder, the hydraulic pressure
Hydraulic fluid chamber is formed between the periphery of oily cylinder and the inner wall of the shell, the piston rod sliding of the hydraulic oil cylinder and a piston is matched
It closes, and is equipped with several sealing rings between the hydraulic oil cylinder and the piston rod, the end of the piston rod of the piston is equipped with
Pedestal, an end cap are fixedly connected on by a screw on the end face of the end of the pedestal, between the pedestal and the end cap
Equipped with seal head, when valve is closed, the piston rod is protruding make the seal head peripheral surface and the shell taper
The inner wall close contact of pipe prevents liquid from entering in hydraulic fluid chamber.
Further, the peripheral surface of the seal head be equipped with several second annular lips, a third annular lip and
One fourth annular lip, the fourth annular lip are located at the big end of the seal head, and the third annular lip is located at one the
Between second ring lip and the fourth annular lip.
Further, the peripheral surface of the small end of the seal head is equipped with an annular protrusion, several second convex annulars
For lip between the annular protrusion and the third annular lip, the peripheral surface of the annular protrusion can be with the conical pipe
Inner wall is in close contact.
Further, the seal head includes matrix, be equipped in described matrix the first cavity, the second cavity and several
Third cavity is embedded with first support in first cavity, and second support is embedded in second cavity, and the third is empty
Intracavitary is embedded with sled casting die, and first cavity is located at the inside of described matrix, and one end of first cavity extends to institute
It states in the first annular lip of matrix, second cavity is located at the middle part of described matrix, several third cavity annular spreads
In the outside of described matrix, the annular protrusion, the second annular lip, third annular lip and fourth annular lip are respectively positioned on institute
It states on the peripheral surface of matrix.
Further, the first support includes pipe portion and interconnecting piece, is passed through between the pipe portion and interconnecting piece
Extension connects, and the peripheral surface of the interconnecting piece is equipped with outer ring plate, and the pipe portion is located in the first annular lip.
Further, the second support include taper pipe portion, inflexed part and it is interior stretch plate, the inflexed part is arranged in institute
In the big end for stating taper pipe portion, it is described in stretch plate and be arranged on the small end of the taper pipe portion, it is described in stretch the front end of plate in
The heart extends.
Further, the sled casting die includes vertical plate, arc plate and inclined plate, and the front end of the vertical plate extends to institute
State in annular protrusion, connected by First Transition portion between the vertical plate and the arc plate, the arc plate and it is described tiltedly
It is connected by the second transition part between plate, the inclined plate is parallel with the outer inclined-plane of described matrix, and second transition part is to described
The center position protrusion of matrix.
Further, the large end face of described matrix and the left side of the first cylindrical section of the pedestal fit, and are located at
The first hole on the large end face of described matrix is matched with the second cylindrical section of the pedestal, and described matrix runs through described first
Second hole of the bottom surface in hole is matched with the third cylindrical section of the pedestal, be located at described matrix small end face on third hole with
The cylindrical portion of the end cap matches, wherein the bottom surface in the third hole is equipped with annular groove, second hole and the annular
The first annular lip is formd between slot.
Further, the peripheral surface of the end cap is equipped with a flange, the arc surface of the flange and the arc plate
Inner cavity cooperation.
Further, slot between an annular is offered on the front side of the described second annular lip.
It can be seen from the above technical scheme that it is an advantage of the invention that：The present invention is provided with seal head, and seal head is by base
Body, first support, second support and sled casting die composition, first support, second support and sled casting die play a supportive role to matrix, when
When valve is closed, the inner wall close contact of the conical pipe of the protruding peripheral surface for making seal head of piston rod and shell prevents liquid
Into in hydraulic fluid chamber, to improve the sealing performance of the valve, since matrix is rubber parts, so the processing essence of conical pipe
Degree can be reduced suitably, and seal head and conical pipe are flexible contact in valve closing process, will not be to seal head and conical pipe
It causes to damage；Seal head after abrasion can be replaced, and keep life of valve more permanent.
Other than objects, features and advantages described above, the present invention also has other objects, features and advantages.
Below with reference to figure, the present invention is described in further detail.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.In the accompanying drawings：
Fig. 1 is the partial sectional view of the present invention.
Fig. 2 is the Local map of Fig. 1.
Fig. 3 is another state diagram of Fig. 2.
Fig. 4 is the sectional view of the matrix of the seal head of the present invention.
Fig. 5 is the sectional view of the first support of the seal head of the present invention.
Fig. 6 is the sectional view of the second support of the seal head of the present invention.
Fig. 7 is the front view of the sled casting die of the seal head of the present invention.
Fig. 8 is the A-A sectional views of Fig. 7 of the present invention.
In figure label for：Shell 1, flange portion 11, conical pipe 12, hydraulic oil cylinder 2, piston rod 3, pedestal 4, the first cylindrical section
41, the second cylindrical section 42, third cylindrical section 43, end cap 5, cylindrical portion 51, flange 52, arc surface 521, seal head 6, matrix 61,
First hole 611, the second hole 612, third hole 613, annular groove 6131, first annular lip 614, the first cavity 615, the second cavity
616, the annular lip 618 of third cavity 617, second, slot 6181, annular protrusion 619, third annular lip 6110, Fourth Ring
Shape lip 6111, first support 62, pipe portion 621, extension 622, interconnecting piece 623, outer ring plate 624, second support 63, cone
Shape pipe portion 631, inflexed part 632, it is interior stretch plate 633, sled casting die 64, vertical plate 641, First Transition portion 642, arc plate 643, second
Transition part 644, inclined plate 645, screw 7.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to figs. 1 to Fig. 8, a kind of biconial fluid pressure type valve as shown in Figure 1, the liquid of the biconial fluid pressure type valve
The flexible conical head switching device of pressure type is made of the ring flange of shell 1 and connection center terminal pad, and the shell 1 is internally provided with
One hydraulic oil cylinder 2 forms hydraulic fluid chamber, the hydraulic oil cylinder between the periphery and the inner wall of the shell 1 of the hydraulic oil cylinder 2
2 are slidably matched with the piston rod 3 of a piston, and several sealing rings are equipped between the hydraulic oil cylinder 2 and the piston rod 3,
The end of the piston rod 3 of the piston is equipped with pedestal 4, and an end cap 5 is fixedly connected on the end of the pedestal 4 by a screw 7
End face on, seal head 6 is equipped between the pedestal 4 and the end cap 5, after through a long time use, the seal head 6 of abrasion can be into
Row is replaced, and keeps life of valve more permanent, as shown in figure 3, when valve is closed, the piston rod 3 is protruding to make the seal head 6
The inner wall close contact of conical pipe 12 of peripheral surface and the shell 1 prevent liquid from entering in hydraulic fluid chamber.
As shown in Figure 3 and Figure 4, the seal head 6 includes matrix 61, and the first cavity 615, second is equipped in described matrix 61
Cavity 616 and several third cavitys 617 are embedded with first support 62, second cavity 616 in first cavity 615
It is inside embedded with second support 63, sled casting die 64 is embedded in the third cavity 617, first cavity 615 is located at the base
The inside of body 61, and one end of first cavity 615 extends in the first annular lip 614 of described matrix 61, described
Two cavitys 616 are located at the middle part of described matrix 61, several 617 annular spreads of third cavity are in the outside of described matrix 61, institute
Stating first support 62, second support 63 and sled casting die 64 can play a supporting role to described matrix 61.
Preferably, the third cavity 617 can be 3,6 or 9.
In the present embodiment, the third cavity 617 has 6, i.e., the sled casting die 64 has 6, at this point, the sled casting die
The support effect of 64 pairs of described matrixes 61 is best.
As shown in Figure 2 and Figure 4, the left side phase of the large end face of described matrix 61 and the first cylindrical section 41 of the pedestal 4
Fitting, the first hole 611 on the large end face of described matrix 61 is matched with the second cylindrical section 42 of the pedestal 4, described
Second hole 612 of the bottom surface through first hole 611 of matrix 61 is matched with the third cylindrical section 43 of the pedestal 4, position
It is matched with the cylindrical portion 51 of the end cap 5 in the third hole 613 on the small end face of described matrix 61, wherein the third hole
613 bottom surface is equipped with annular groove 6131, is formd between second hole 612 and the annular groove 6131 described first annular
Lip 614.
As shown in Figures 3 and 4, the peripheral surface of described matrix 61 is equipped with several the second annular lip 618, third annulars
Lip 6110 and a fourth annular lip 6111 offer slot 6181 between an annular on the front side of the second annular lip 618,
The fourth annular lip 6111 is located at the big end of the seal head 6, and the third annular lip 6110 is located at one second annular
Between lip 618 and the fourth annular lip 6111, the peripheral surface of the small end of described matrix 61 is equipped with an annular protrusion
619, several second annular lips 618 are located between the annular protrusion 619 and the third annular lip 6110, the ring
The peripheral surface of shape protrusion 619 can be in close contact with the inner wall of the conical pipe 12, the annular lip of the annular protrusion 619, second
618, third annular lip 6110 and fourth annular lip 6111 are respectively positioned on the peripheral surface of described matrix 61, since matrix 61 is
Rubber parts, so the machining accuracy of conical pipe 12 can be reduced suitably, and seal head 6 is with conical pipe 12 in valve closing process
Flexible contact will not cause to damage to seal head 6 and conical pipe 12.
In the present embodiment, the described second annular lip 618 has 5, at this point, when valve is closed, described second
The peripheral surface of annular lip 618 is bonded most close with the inner wall of the conical pipe 12, and the sealing effect of the valve is best.
As shown in figure 5, the first support 62 includes pipe portion 621 and interconnecting piece 623, the pipe portion 621 and connection
It is connected by extension 622 between portion 623, the peripheral surface of the interconnecting piece 623 is equipped with outer ring plate 624, the pipe portion
621 are located in the first annular lip 614.
As shown in fig. 6, the second support 63 includes taper pipe portion 631, inflexed part 632 and interior stretches plate 633, the infolding
Portion 632 is arranged in the big end of the taper pipe portion 631, it is described in stretch plate 633 small end in the taper pipe portion 631 be set
On, the interior front end for stretching plate 633 extends to center.
As shown in Figure 7 and Figure 8, the sled casting die 64 includes vertical plate 641, arc plate 643 and inclined plate 645, described vertical
The front end of plate 641 extends in the annular protrusion 619, passes through the first mistake between the vertical plate 641 and the arc plate 643
The connection of portion 642 is crossed, is connected by the second transition part 644 between the arc plate 643 and the inclined plate 645, the arc plate 643
Inner cavity matched with the arc surface 521 of the flange 52 on the peripheral surface of the cylindrical portion 51, the inclined plate 645 and described matrix
61 outer inclined-plane is parallel, center position protrusion of second transition part 644 to described matrix 61.
In the present invention, when piston rod 3 is protruding, pedestal 4,5 related seal head 6 of end cap can be pushed together to valve port
The direction at place moves, and closes valve, so that the peripheral surface of seal head 6 and the inner wall close contact of conical pipe 12 prevent liquid
Body enters in hydraulic fluid chamber, the problem of preventing liquid leakage, since matrix 61 is rubber parts, because without to seal head and
Conical pipe causes to damage.
It these are only the preferred embodiment of the present invention, be not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.Any modification made by all within the spirits and principles of the present invention,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of biconial fluid pressure type valve, which is characterized in that the flexible conical head of the fluid pressure type of the biconial fluid pressure type valve
Switching device is made of the ring flange of shell (1) and connection center terminal pad, and the shell (1) is internally provided with a hydraulic oil cylinder
(2), hydraulic fluid chamber, the hydraulic oil cylinder (2) are formed between the periphery and the inner wall of the shell (1) of the hydraulic oil cylinder (2)
It is slidably matched with the piston rod (3) of a piston, and it is close that several are equipped between the hydraulic oil cylinder (2) and the piston rod (3)
The end of seal, the piston rod (3) of the piston is equipped with pedestal (4), and an end cap (5) is fixedly connected on institute by a screw (7)
On the end face for stating the end of pedestal (4), seal head (6) is equipped between the pedestal (4) and the end cap (5), when valve is closed,
The protruding inner wall for making the peripheral surface and the conical pipe (12) of the shell (1) of the seal head (6) of the piston rod (3) is tight
Contiguity, which is touched, prevents liquid from entering in hydraulic fluid chamber.
2. biconial fluid pressure type valve according to claim 1, which is characterized in that on the peripheral surface of the seal head (6)
Equipped with several the second annular lip (618), a third annular lip (6110) and a fourth annular lips (6111), described the
Four annular lips (6111) are located at the big end of the seal head (6), and the third annular lip (6110) is located at one second annular
Between lip (618) and the fourth annular lip (6111).
3. biconial fluid pressure type valve according to claim 2, which is characterized in that outside the small end of the seal head (6)
Circumferential surface is equipped with an annular protrusion (619), several second annular lips (618) be located at the annular protrusion (619) with it is described
Between third annular lip (6110), the peripheral surface of the annular protrusion (619) can be close with the inner wall of the conical pipe (12)
Contact.
4. biconial fluid pressure type valve according to claim 3, which is characterized in that the seal head (6) includes matrix
(61), the first cavity (615), the second cavity (616) and several third cavitys (617) are equipped in described matrix (61), it is described
It is embedded with first support (62) in first cavity (615), second support (63) is embedded in second cavity (616), it is described
Sled casting die (64) is embedded in third cavity (617), first cavity (615) is located at the inside of described matrix (61), and institute
The one end for stating the first cavity (615) extends in the first annular lip (614) of described matrix (61), second cavity
(616) be located at the middle part of described matrix (61), several third cavity (617) annular spreads in the outside of described matrix (61),
The annular protrusion (619), the second annular lip (618), third annular lip (6110) and fourth annular lip (6111) are equal
On the peripheral surface of described matrix (61).
5. biconial fluid pressure type valve according to claim 4, which is characterized in that the first support (62) includes pipe
Portion (621) and interconnecting piece (623) are connected between the pipe portion (621) and interconnecting piece (623) by extension (622), described
The peripheral surface of interconnecting piece (623) is equipped with outer ring plate (624), and the pipe portion (621) is located at the first annular lip
(614) in.
6. biconial fluid pressure type valve according to claim 5, which is characterized in that the second support (63) includes taper
Pipe portion (631), inflexed part (632) and it is interior stretch plate (633), the inflexed part (632) is arranged in the big of the taper pipe portion (631)
On end, it is described in stretch plate (633) be arranged on the small end of the taper pipe portion (631), it is described in stretch the front end of plate (633) in
The heart extends.
7. biconial fluid pressure type valve according to claim 6, which is characterized in that the sled casting die (64) includes vertical plate
(641), the front end of arc plate (643) and inclined plate (645), the vertical plate (641) extends in the annular protrusion (619),
Between the vertical plate (641) and the arc plate (643) by First Transition portion (642) connect, the arc plate (643) and
It is connected by the second transition part (644) between the inclined plate (645), the outer inclined-plane of the inclined plate (645) and described matrix (61)
It is parallel, center position protrusion of second transition part (644) to described matrix (61).
8. biconial fluid pressure type valve according to claim 7, which is characterized in that the large end face of described matrix (61) and institute
The left side for stating the first cylindrical section (41) of pedestal (4) fits, and is located at the first hole on the large end face of described matrix (61)
(611) matched with the second cylindrical section of the pedestal (4) (42), described matrix (61) through first hole (611)
The second hole (612) of bottom surface is matched with the third cylindrical section (43) of the pedestal (4), is located at the small end face of described matrix (61)
On third hole (613) matched with the cylindrical portion (51) of the end cap (5), wherein set on the bottom surface of the third hole (613)
There is annular groove (6131), the first annular lip is formd between second hole (612) and the annular groove (6131)
(614)。
9. biconial fluid pressure type valve according to claim 8, which is characterized in that set on the peripheral surface of the end cap (5)
There are a flange (52), the arc surface (521) of the flange (52) to coordinate with the inner cavity of the arc plate (643).
10. biconial fluid pressure type valve according to claim 9, which is characterized in that the described second annular lip (618)
Slot (6181) between an annular is offered on front side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810416314.8A CN108488394B (en) | 2018-05-03 | 2018-05-03 | Double-conical hydraulic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810416314.8A CN108488394B (en) | 2018-05-03 | 2018-05-03 | Double-conical hydraulic valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108488394A true CN108488394A (en) | 2018-09-04 |
| CN108488394B CN108488394B (en) | 2020-05-19 |
Family
ID=63352935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810416314.8A Active CN108488394B (en) | 2018-05-03 | 2018-05-03 | Double-conical hydraulic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108488394B (en) |
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| US4264053A (en) * | 1979-08-20 | 1981-04-28 | Acf Industries, Incorporated | Top operated outlet valve with unitary closure guide and retainer |
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| CN203703181U (en) * | 2014-01-02 | 2014-07-09 | 成都立创模具有限公司 | Needle-shaped valve plug |
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| CN107654658A (en) * | 2017-09-27 | 2018-02-02 | 颜巨祥 | A kind of biconial fluid pressure type valve |
| CN107940016A (en) * | 2017-12-14 | 2018-04-20 | 德施普科技发展温州有限公司 | A kind of seal ball-valve |
-
2018
- 2018-05-03 CN CN201810416314.8A patent/CN108488394B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4264053A (en) * | 1979-08-20 | 1981-04-28 | Acf Industries, Incorporated | Top operated outlet valve with unitary closure guide and retainer |
| CN1761830A (en) * | 2003-03-20 | 2006-04-19 | 博世力士乐股份有限公司 | Non-return valve |
| CN101741165A (en) * | 2008-11-06 | 2010-06-16 | 北京威塞欧机械技术有限公司 | Soymilk grinder motor shaft seal |
| CN203703181U (en) * | 2014-01-02 | 2014-07-09 | 成都立创模具有限公司 | Needle-shaped valve plug |
| CN206694599U (en) * | 2017-03-30 | 2017-12-01 | 陕西航天动力高科技股份有限公司 | Inner elements of check valve and check valve |
| CN107654658A (en) * | 2017-09-27 | 2018-02-02 | 颜巨祥 | A kind of biconial fluid pressure type valve |
| CN107940016A (en) * | 2017-12-14 | 2018-04-20 | 德施普科技发展温州有限公司 | A kind of seal ball-valve |
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| CN108488394B (en) | 2020-05-19 |
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