CN208348591U - A kind of novel stop check valve - Google Patents
A kind of novel stop check valve Download PDFInfo
- Publication number
- CN208348591U CN208348591U CN201820784251.7U CN201820784251U CN208348591U CN 208348591 U CN208348591 U CN 208348591U CN 201820784251 U CN201820784251 U CN 201820784251U CN 208348591 U CN208348591 U CN 208348591U
- Authority
- CN
- China
- Prior art keywords
- baffle
- flap
- valve
- valve rod
- bull stick
- 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
Abstract
The utility model discloses a kind of novel stop check valves, including valve body, baffle, valve rod, bull stick, bevel gear, flap, spring, spring base, gland, bushing and handwheel, the valve rod, baffle and flap are arranged in valve body, valve rod is in the centerline of baffle, and baffle is equipped with spring base, spring is mounted in spring base, one end of valve rod is rotatably connect with flap, the side that baffle is equipped with spring base is arranged in flap, valve rod is equipped with screw thread, pass through two bevel gear connections between valve rod and bull stick, one bevel gear is fixedly connected with bull stick, another bevel gear is spirally connected with valve rod, handwheel is equipped at the top of bull stick, and bushing is equipped between bull stick and valve body, baffle is equipped with the gland for preventing bevel gear from moving left and right.Its is easy to operate, and structure is simple, and noise is low, reliable operation.
Description
Technical field
The utility model belongs to valve technology field more particularly to a kind of novel stop check valve.
Background technique
Screw down nonreturn valve is because its structure is simple, reliable in action, opening and closing rapidly, ship, petroleum, chemical industry and in terms of
It is widely used.For waterpower angle, the size of valve road resistance is to measure the important symbol of valve superiority and inferiority.With being
System design develops to integrated direction, and energy conservation and the requirement of vibration and noise reducing improve, and the screw down nonreturn valve of previous extensive design is not
System requirements are able to satisfy, while being limited by traditional structure, sealing force needed for screw down nonreturn valve is larger, torque is big, is not easy to
Operation is restricted its application.
Summary of the invention
Place, the utility model provide a kind of novel stop check valve in order to overcome the above-mentioned deficiencies of the prior art, grasp
Facilitate, structure is simple, and noise is low, reliable operation.
To achieve the above objectives, the present invention adopts the following technical solutions: a kind of novel stop check valve, including valve
Body, baffle, valve rod, bull stick, bevel gear, flap, spring, spring base, gland, bushing and handwheel, the valve rod, baffle and
Flap is arranged in valve body, and valve rod is in the centerline of baffle, and baffle is equipped with spring base, and spring is mounted on spring
In seat, one end of valve rod is rotatably connect with flap, and the side that baffle is equipped with spring base is arranged in flap, and valve rod is equipped with
Screw thread, by the connection of two bevel gears between valve rod and bull stick, a bevel gear is fixedly connected with bull stick, another bevel gear and
Valve rod is spirally connected, and handwheel is equipped at the top of bull stick, and bushing is equipped between bull stick and valve body, and baffle is equipped with for preventing bevel gear
The gland moved left and right.
In the above-mentioned technical solutions, the flap is divided into left flap and right flap, is equipped between left flap and right flap close
Seal.
In the above-mentioned technical solutions, the right flap is equipped with the mandril extending into spring base.
In the above-mentioned technical solutions, the baffle is connected with limiting bracket, and one end of limiting bracket is connected to baffle,
The other end extends to the exit of valve body.
In the above-mentioned technical solutions, the stuffing-box of sealing is equipped between the bushing and valve body.
In the above-mentioned technical solutions, the O-ring for sealing is equipped between the stuffing-box and valve body.
In the above-mentioned technical solutions, the sleeve for guiding is equipped with above bushing, sleeve is connect by bolt with bushing.
The beneficial effects of the utility model are: valve body, water conservancy diversion physical efficiency carry out two-way guiding to valve rod, flap is in opening-closing process
In run smoothly, be not easy clamping stagnation, bushing and sleeve are oriented to handwheel, and operational torque is small；Baffle is excellent according to flow field situation
Change valve inner flow passage, system flow resistance is low, and the pressure loss is small, and valve noise is low.
Detailed description of the invention
Fig. 1 is the schematic cross-sectional view of the utility model.
Wherein: 1. valve bodies, 2. baffles, 3. valve rods, 4. bull sticks, 5. bevel gears, 6. flaps, 7. springs, 8. spring bases, 9.
Gland, 10. bushings, 11. handwheels, 12. sealing rings, 13. mandrils, 14. limiting brackets, 15. stuffing-boxes, 16. sleeves, 17. bolts,
18.O type circle.
Specific embodiment
With reference to the accompanying drawing and specific embodiment the utility model is described in further detail.
A kind of novel stop check valve as shown in Figure 1, including valve body 1, baffle 2, valve rod 3, bull stick 4, bevel gear 5,
Flap 6, spring 7, spring base 8, gland 9, bushing 10 and handwheel 11, the valve rod 3, baffle 2 and flap 6 are arranged in valve body 1
Interior, valve rod 3 is in the centerline of baffle 2, and baffle 2 is equipped with spring base 8, and spring 7 is mounted in spring base 8, valve
One end of bar 3 is rotatably connect with flap 6, and the side that baffle 2 is equipped with spring base 8 is arranged in flap 6, and valve rod 3 is equipped with
Screw thread is connected between valve rod 3 and bull stick 4 by two bevel gears 5, and a bevel gear 5 is fixedly connected with bull stick 4, another cone
Gear 5 is spirally connected with valve rod 3, and handwheel 11 is equipped at the top of bull stick 4, and bushing 10 is equipped between bull stick 4 and valve body 1, sets on baffle 2
There is the gland 9 for preventing bevel gear 4 from moving left and right.
In the above-mentioned technical solutions, the flap 6 divides for left flap 6.1 and right flap 6.2, left flap 6.1 and right flap
Sealing ring 12 is equipped between 6.2.
In the above-mentioned technical solutions, the right flap 6.2 is equipped with the mandril 13 extending into spring base 8.
In the above-mentioned technical solutions, the baffle 2 is connected with limiting bracket 14, and one end of limiting bracket 14, which is connected to, leads
Fluid 2, the other end extend to the exit of valve body 1.
In the above-mentioned technical solutions, the stuffing-box 15 of sealing is equipped between the bushing 10 and valve body 1.
In the above-mentioned technical solutions, the O-ring 18 for sealing is equipped between the stuffing-box and valve body.
In the above-mentioned technical solutions, the sleeve 16 for guiding is equipped with above bushing 10, sleeve 16 passes through bolt 17 and lining
10 connection of set.
Handwheel 11 is moved by bushing 10, sleeve 16, band ovable valve stem 3 and flap 6, when flap 6 reclines valve body 1, valve
Realize cutoff function, when flap 6 is far from valve body 1, valve realizes cutoff function.Spring 7 is equipped between flap 6 and baffle 2
With spring base 8, spring 8 forces flap 6 to recline valve body 1, when fluid no pressure or pressure are less than spring force on the left of valve, valve
It closes, realizes check function.
Valve realizes sealing by O-ring 18 and stuffing-box 15, and valve pressure-bearing is high, sealed reliable.
Valve body 1, baffle 2 can carry out two-way guiding to valve rod 3, and flap 6 runs smoothly in opening-closing process, be not easy card
Stagnant, bushing 10 and sleeve 16 are oriented to handwheel 11, and operational torque is small；Baffle 2 optimizes valve inner flow passage according to flow field situation,
System flow resistance is low, and the pressure loss is small, and valve noise is low.
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 within the technical scope disclosed by the utility model, can readily occur in
Change or replacement, should be covered within the scope of the utility model.
Claims (7)
1. a kind of novel stop check valve, it is characterized in that: include valve body, baffle, valve rod, bull stick, bevel gear, flap, spring,
Spring base, gland, bushing and handwheel, the valve rod, baffle and flap are arranged in valve body, and valve rod is in the center of baffle
At line, and baffle is equipped with spring base, and spring is mounted in spring base, and one end of valve rod is rotatably connect with flap, valve
The side that baffle is equipped with spring base is arranged in valve, and valve rod is equipped with screw thread, is connected between valve rod and bull stick by two bevel gears
Connect, a bevel gear is fixedly connected with bull stick, another bevel gear is spirally connected with valve rod, be equipped with handwheel at the top of bull stick, and bull stick with
Bushing is equipped between valve body, baffle is equipped with the gland for preventing bevel gear from moving left and right.
2. novel stop check valve according to claim 1, it is characterized in that: the flap is divided into left flap and right flap,
Sealing ring is equipped between left flap and right flap.
3. novel stop check valve according to claim 2, it is characterized in that: the right flap, which is equipped with, extend into spring base
Interior mandril.
4. novel stop check valve according to claim 1, it is characterized in that: the baffle is connected with limiting bracket, limit
One end of position bracket is connected to baffle, and the other end extends to the exit of valve body.
5. novel stop check valve according to claim 1 is used it is characterized in that: being equipped with sealing between the bushing and valve body
Stuffing-box.
6. novel stop check valve according to claim 5 is used for it is characterized in that: being equipped between the stuffing-box and valve body
The O-ring of sealing.
7. novel stop check valve according to claim 1, it is characterized in that: the sleeve for guiding is equipped with above bushing,
Sleeve is connect by bolt with bushing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820784251.7U CN208348591U (en) | 2018-05-24 | 2018-05-24 | A kind of novel stop check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820784251.7U CN208348591U (en) | 2018-05-24 | 2018-05-24 | A kind of novel stop check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208348591U true CN208348591U (en) | 2019-01-08 |
Family
ID=64890446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820784251.7U Expired - Fee Related CN208348591U (en) | 2018-05-24 | 2018-05-24 | A kind of novel stop check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208348591U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112503185A (en) * | 2020-09-21 | 2021-03-16 | 武汉第二船舶设计研究所(中国船舶重工集团公司第七一九研究所) | Self-adaptive leak-proof side valve |
| CN114857281A (en) * | 2022-04-07 | 2022-08-05 | 浙江电泰阀业有限公司 | Bevel gear transmission light torque middle cavity non-pressure type adjusting type shaft flow valve |
-
2018
- 2018-05-24 CN CN201820784251.7U patent/CN208348591U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112503185A (en) * | 2020-09-21 | 2021-03-16 | 武汉第二船舶设计研究所(中国船舶重工集团公司第七一九研究所) | Self-adaptive leak-proof side valve |
| CN114857281A (en) * | 2022-04-07 | 2022-08-05 | 浙江电泰阀业有限公司 | Bevel gear transmission light torque middle cavity non-pressure type adjusting type shaft flow valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208348591U (en) | A kind of novel stop check valve | |
| CN205155231U (en) | Pressure balance type fixes ball valve | |
| CN102434527B (en) | Hydraulic cylinder | |
| CN101737503B (en) | Self-balancing stop valve with piston type valve core and hidden rod | |
| CN205401796U (en) | Ultra -low temperature ball valve that floats | |
| CN103899805A (en) | Micro-force switch valve with backflow stopping function | |
| CN207034349U (en) | A kind of gas pipeline special pneumatic gate valve | |
| CN106678374B (en) | A kind of low water drag hydraulic operated valve | |
| CN108869810A (en) | Check-valves with break-in facility | |
| CN209743620U (en) | Rotary guide type high pressure difference water supply control valve | |
| CN203963111U (en) | A kind of steel ball-type shuttle valve | |
| CN204756032U (en) | Butt clamp butterfly check valve | |
| CN203784387U (en) | Micro-force switch valve with stop function | |
| CN206802396U (en) | One kind tilts flap check-valves | |
| CN208871101U (en) | Check-valves with break-in facility | |
| CN208619689U (en) | A kind of adjustable type butterfly valve | |
| CN209012443U (en) | Flux controllable butterfly valve | |
| CN207018586U (en) | A kind of pipe fitting for controlling water (flow) direction | |
| CN205896217U (en) | Heavy -calibre hangs down moment of torsion bivalve lamella stop valve | |
| CN201875151U (en) | Throttling type ceramic cutoff valve | |
| CN208750055U (en) | A kind of super large caliber welding ball valve | |
| CN206234455U (en) | Stop valve | |
| CN206234391U (en) | Three-chip type manual ball valve | |
| CN108561583A (en) | A kind of super large caliber welding ball valve | |
| CN205298695U (en) | Butterfly valve sealed firmly with end contrary mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| 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: 20190108 Termination date: 20190524 |