CN201858367U - Solid metal tri-eccentric butterfly valve - Google Patents
Solid metal tri-eccentric butterfly valve Download PDFInfo
- Publication number
- CN201858367U CN201858367U CN2010205547695U CN201020554769U CN201858367U CN 201858367 U CN201858367 U CN 201858367U CN 2010205547695 U CN2010205547695 U CN 2010205547695U CN 201020554769 U CN201020554769 U CN 201020554769U CN 201858367 U CN201858367 U CN 201858367U
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- valve
- opening
- seat
- seal ring
- ring
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Abstract
The utility model relates to a butterfly, in particular to a solid metal tri-eccentric butterfly valve. According to the technical scheme provided by the utility model, the solid metal tri-eccentric butterfly valve comprises a valve body, wherein a valve cavity is arranged in the valve body; a first opening and a second opening are respectively formed at two ends of the valve cavity; the first opening is communicated with the second opening; a valve plate corresponding to the end where the second opening is formed is arranged in the valve cavity; a fixedly connected transmission shaft is arranged on the valve plate; a valve seat is arranged at one end of the valve plate; a seat pressing ring is arranged on the valve seat and fixedly connected with the valve seat and the valve body by bolts; and the valve plate can rotate relative to the valve seat. Through the utility model, the service life of the valve is prolonged, the stable performance of the valve is ensured, the safe and stable running of devices is ensured and the production efficiency is improved.
Description
Technical field
The utility model relates to a kind of butterfly valve, especially a kind of solid metal three eccentric butterfly valve.
Background technique
Along with the continuous development of domestic control valve technology, butterfly valve has become one of industrial control process main flow control apparatus, in the process control to the requirement of the reliability of butterfly valve also in continuous raising.This just has higher requirement to reliability, the stability of butterfly valve.In prior art, the seal ring of existing three eccentric butterfly valve all adopts metallic graphite carbon interlayer seal ring, this class seal ring relies on the elasticity of the metal ring in the sandwich structure and graphite is realized valve to the compensation of sealing surface sealing, graphite material can't antiscour, cause the valve applications scope narrow, can not adapt to the High Pressure Difference operating mode, graphite layer is in a single day damaged in the seal ring, valve will produce interior leakage accident, causes economic loss.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of solid metal three eccentric butterfly valve is provided, and it can prolong valve working life, guarantees that valve performance is stable, guarantees that apparatus moves safely and smoothly, enhances productivity.
According to the technological scheme that the utility model provides, described solid metal three eccentric butterfly valve comprises valve body, is provided with valve pocket in the described valve body, and the two ends of described valve pocket form first opening and second opening respectively; Described first opening is connected with second opening; Be provided with valve plate corresponding to an end that forms second opening in the valve pocket, described valve plate is provided with fixedly connected transmission shaft; One end of described valve plate is provided with valve seat, and described valve seat is provided with a trim ring, and described seat trim ring utilizes screw and valve seat, valve body to be fastened and connected; Described valve plate can rotate relative to valve seat.
Described valve plate is provided with seal ring corresponding to the end that valve seat is set, and described seal ring is provided with the ring trim ring; Described ring trim ring, seal ring utilize bolt and valve plate to be fastened and connected.Described valve seat corresponding to and valve body between be provided with the valve seat pad.Be provided with the trim ring pad between described seat trim ring and valve body.Be provided with the seal ring pad between described seal ring and valve plate.The material of described valve seat comprises Hastelloy or Ying Kenaier.The material of described seal ring comprises Hastelloy or Ying Kenaier.
Advantage of the present utility model:
1, actuator's moment of torsion drives the transmission shaft rotation, even sufficient elasticity distortion is provided for the seal ring circumference conical surface, and seal ring and valve seat fit tightly, good airproof performance;
2, since seal ring and valve seat be solid metal and process, can select high temperature resistant, corrosion-resistant, the wear-resisting anti-particulate metal material that washes away of some application for use, or the sealing surface of common stainless steel material carried out different materials built-up welding, spraying, reach case-hardened effect, improved high temperature resistant, corrosion-resistant, the wear-resisting abrasion resistance energy of valve seat and seal ring, can be applicable to high temperature, high pressure, High Pressure Difference, corrosivity operating mode, expanded the application area of the type valve;
3, owing to seal ring, valve seat are the solid metal structure, the natural fire-proof function that has of valve;
4, this structure easy removal, part is easily changed, and is easy to maintenance.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with concrete drawings and Examples.
As shown in Figure 1: the utility model comprises valve body 1, valve pocket 2, first opening 3, valve plate 4, valve seat pad 5, seal ring 6, bolt 7, second opening 8, transmission shaft 9, ring trim ring 10, seal ring pad 11, screw 12, seat trim ring 13, trim ring pad 14 and valve seat 15.
As shown in Figure 1: be provided with valve pocket 2 in the described valve body 1, the two ends of described valve pocket 2 form first opening 3 and second opening 8 respectively; Described first opening 3 utilizes valve pocket 2 to be connected with second opening 8; Circulation medium can flow to second opening 8 or flow to first opening 3 from second opening 8 from first opening 3.Be provided with valve plate 4 in the described valve pocket 2, described valve plate 4 is provided with fixedly connected transmission shaft 9; Transmission shaft 9 utilizes bearing pin to fixedly connected with valve plate 4; Transmission shaft 9 links to each other with actuator corresponding to the other end that links to each other with valve plate 4, and actuator drives transmission shaft 9 and rotates.
Described valve plate 4 is provided with seal ring 6, and described seal ring 6 is enclosed within on the valve plate 4.Seal ring 6 valve bodies 1 are corresponding to the end that second opening 8 is set.4 of seal ring 6 and valve plates are provided with seal ring pad 11, and seal ring 6 is provided with ring trim ring 10, and described ring trim ring 10 utilizes bolt 7 and valve plate 4 to be fastened and connected.The edge of seal ring 6 forms cone structure.Also be provided with valve seat 15 on the valve plate 4, valve seat 15 is enclosed within valve plate 4 corresponding to the end that seal ring 6 is set.Valve seat 15 also is a cone structure with seal ring 6 corresponding inwalls; The conical surface on the valve seat 15 is corresponding with the conical surface at seal ring 6 edges, makes the valve seat 15 and the end of seal ring 6 form effective sealing configuration.The end of valve seat 15 contacts with valve body 1 inwall; And valve seat 15 is provided with valve seat pad 5 with valve body 1 contacted inwall.Described valve seat 15 utilizes seat trim ring 13 to be pressed in the valve body 1.Between seat trim ring 13 and valve body 1 contacted inwall trim ring pad 14 is set, described seat trim ring 13 is provided with screw 12; Described screw 12 penetrates in the valve body 1 after passing a trim ring 13, valve seat 15, and seat trim ring 13, valve seat 15 are fastened and connected with valve body 1.Described valve plate 4 can rotate relative to valve seat 15.
During installation, seal ring pad 11 is installed in valve plate 4 seal grooves, the endoporus of seal ring 6 aligns with the location cylindrical of valve plate 4 upper end portions, and between the location cylindrical of the endoporus of seal ring 6 and valve plate 4 ends the adjusting play is arranged, and ring trim ring 10 is overlying on the seal ring 6; Ring trim ring 10 is fixed on the valve plate 2 by bolt 7, and bolt 7 wouldn't be tightened, at this moment, and about seal ring 6 energy, rotatablely move.Valve seat pad 14 is mounted in the seal groove of valve seat 15, valve seat 15 is put into the valve seat installation position of valve body 1, according to adding ready-made aperture mark on valve seat 15 in man-hour, about, rotation slide and movable valve base 7, the sealing tilted conical surface of valve seat 15 and the preliminary centering of the tilted conical surface of seal ring 6 are located; Fitting seat trim ring 13 on valve seat 15, seat trim ring 13 utilizes screw 12 and valve body 1 to fix, but screw 12 and valve body 1 is not tightened.When transmission shaft 9 with after final controlling element is connected, drive valve plate 4 slow switch motions by final controlling element, the adjustment centering makes the sealing cone of seal ring 6 overlap fully with the sealing cone of valve seat 15, tights a bolt 7 and screw 12, finishes the installation of whole butterfly valve.
On the described valve plate 2 transmission shaft 9 is set, transmission shaft 9 links to each other with actuator.Actuator drives transmission shaft 9 and rotates, and gives valve plate 2 by transmission shaft 9 transmitting torques, allows the seal ring 6 whole circle sealing the margins that are contained on the valve plate 2 produce certain elastic deformation, thereby fits tightly the good seal performance of valve with the sealing surface of the valve seat 15 that matches.
Because seal ring 6 is solid metal with valve seat 15 and processes, can select high temperature resistant, corrosion-resistant, the wear-resisting anti-particulate metal materials that wash away of some application (as Ha Shi C, Ying Kenaier) for use, or the sealing surface of common stainless steel material carried out different materials (safe like that Lay) built-up welding, spraying (as sprayed wc, Ni60 etc.), reach case-hardened effect, improved high temperature resistant, corrosion-resistant, the wear-resisting abrasion resistance energy of valve seat and seal ring, can be applicable to high temperature, high pressure, High Pressure Difference, corrosivity operating mode, expanded the application area of the type valve.
This The Application of Technology makes valve when maintenance and repair, simply, quick and easy, need not other component in the whole deck valve body of dismounting, only need unclamp the screw 12 and bolt 7 of a trim ring 13 and ring trim ring 10 correspondences, be easily damaged partss such as replaceable valve seat pad 5, valve seat 15, trim ring pad 14, seal ring pad 11, seal ring 6, time saving and energy saving.
As shown in Figure 1: during work, therefore the center line of described transmission shaft 9 and valve body 1 can drive valve plates 4 by transmission shaft 9 and rotate not on same straight line.Actuator drives transmission shaft 9 and rotates, and the rotation of transmission shaft 9 can drive valve plate 4 and rotate relative to valve seat 15; When valve plate 4 turns to several angle, first opening 3 can be connected with second opening 8 or block.When first opening 3 was connected with second opening 8, flowing medium can flow to second opening 8 or flow to first opening 3 from second opening 8 from first opening 3; When first opening 3 and second opening 8 during by valve plate 14 blocking-up, flowing medium will be blocked at first opening 3 or second opening 8.
The utility model the utility model technology adopts the effective sealing that realizes valve that fits tightly of seal ring 6 and valve seat 15 oblique cone sealing surfaces.Seal ring 6 makes up with the solid metal material variation of valve seat 15, surface treatment, has expanded the application area of valve.
Claims (7)
1. solid metal three eccentric butterfly valve, comprise valve body (1), be provided with valve pocket (2) in the described valve body (1), the two ends of described valve pocket (2) form first opening (3) and second opening (8) respectively, and described first opening (3) is connected with second opening (8); Be provided with valve plate (4) corresponding to an end that forms second opening (8) in the valve pocket (2), described valve plate (4) is provided with fixedly connected transmission shaft (9); It is characterized in that: an end of described valve plate (4) is provided with valve seat (15), and described valve seat (15) is provided with a trim ring (13), and described seat trim ring (13) utilizes screw (12) and valve seat (15), valve body (1) to be fastened and connected; Described valve plate (4) can rotate relative to valve seat (15).
2. solid metal three eccentric butterfly valve according to claim 1 is characterized in that: described valve plate (4) is provided with seal ring (6) corresponding to the end that valve seat (15) is set, and described seal ring (6) is provided with ring trim ring (10); Described ring trim ring (10), seal ring (6) utilize bolt (7) and valve plate (4) to be fastened and connected.
3. solid metal three eccentric butterfly valve according to claim 1 is characterized in that: described valve seat (15) corresponding to and valve body (1) between be provided with valve seat pad (5).
4. solid metal three eccentric butterfly valve according to claim 1 is characterized in that: be provided with trim ring pad (14) between described seat trim ring (13) and valve body (1).
5. solid metal three eccentric butterfly valve according to claim 2 is characterized in that: be provided with seal ring pad (11) between described seal ring (6) and valve plate (4).
6. solid metal three eccentric butterfly valve according to claim 1 is characterized in that: the material of described valve seat (15) comprises Hastelloy or Ying Kenaier.
7. solid metal three eccentric butterfly valve according to claim 2 is characterized in that: the material of described seal ring (6) comprises Hastelloy or Ying Kenaier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205547695U CN201858367U (en) | 2010-10-11 | 2010-10-11 | Solid metal tri-eccentric butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205547695U CN201858367U (en) | 2010-10-11 | 2010-10-11 | Solid metal tri-eccentric butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201858367U true CN201858367U (en) | 2011-06-08 |
Family
ID=44104174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205547695U Expired - Lifetime CN201858367U (en) | 2010-10-11 | 2010-10-11 | Solid metal tri-eccentric butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201858367U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101956831A (en) * | 2010-10-11 | 2011-01-26 | 无锡智能自控工程有限公司 | Solid metal three-eccentric butterfly valve |
-
2010
- 2010-10-11 CN CN2010205547695U patent/CN201858367U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101956831A (en) * | 2010-10-11 | 2011-01-26 | 无锡智能自控工程有限公司 | Solid metal three-eccentric butterfly valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: WUXI SMART AUTO-CONTROL ENGINEERING CO., LTD. Free format text: FORMER NAME: WUXIN INTELLIGENT AUTOMATIC CONTROL ENGINEERING CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 214026 Jiangsu Province, Wuxi City Station District National hi tech Development Zone Economic Development Park A District No. 18 Patentee after: Wuxi Smart Auto-Control Engineering Co., Ltd. Address before: 214026 Jiangsu Province, Wuxi City Station District National hi tech Development Zone Economic Development Park A District No. 18 Patentee before: Wuxin Intelligent Automatic Control Engineering Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20110608 |
|
| CX01 | Expiry of patent term |