CN210830514U

CN210830514U - High-temperature-resistant corrosion-resistant double-eccentric butterfly valve

Info

Publication number: CN210830514U
Application number: CN201921777190.2U
Authority: CN
Inventors: 季红生; 蒋超
Original assignee: Huasheng Pipeline Technology Co ltd
Current assignee: Huasheng Pipeline Technology Co ltd
Priority date: 2019-10-22
Filing date: 2019-10-22
Publication date: 2020-06-23
Anticipated expiration: 2029-10-22

Abstract

The utility model relates to the technical field of valves, in particular to a high-temperature-resistant corrosion-resistant double-eccentric butterfly valve, a guide sleeve is sealed with a valve plate and a valve body, an oil seal is embedded in the valve sleeve, and a steel ring is reinforced at the corresponding outer side of the oil seal arranged on the valve sleeve, wherein, a valve rod passes through the middle of the guide sleeve and is connected with the valve plate, the guide sleeve and the valve sleeve in series, the guide sleeve comprises a first guide sleeve and a second guide sleeve, a positioning sleeve is positioned at the upper part of the first guide sleeve, the lower part of the second guide sleeve is provided with a large gasket, two ends of the valve rod are fixed through a fixing component, the sealing surface of the valve plate faces upwards and is respectively eccentric to the valve rod and the valve body leftwards, the valve rod forms a double-eccentric structure, when the valve plate is opened, the sealing surface of the valve plate is rapidly separated from the oil seal through the double-eccentric structure, when the valve plate is, effectively solving the existing problems.

Description

High-temperature-resistant corrosion-resistant double-eccentric butterfly valve

Technical Field

The utility model belongs to the technical field of the valve technique and specifically relates to a high temperature resistant corrosion-resistant double eccentric butterfly valve.

Background

The double-eccentric butterfly valve is also called as a high-performance butterfly valve, is mainly suitable for drainage of systems such as water plants, power plants, steel plant smelting, chemical engineering, water source spring engineering, environmental facility construction and the like, is particularly suitable for water pipelines, and is used as regulating and intercepting equipment.

Compared with a center line butterfly valve, the double-eccentric butterfly valve is more resistant to high pressure, longer in service life and good in stability; the larger the bore the lighter the material and the lower the cost compared to other valves.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: in order to solve the problems of high cost, large abrasion of an oil seal and insufficient strength of the existing valve, the utility model provides a high-temperature-resistant corrosion-resistant double-eccentric butterfly valve, which comprises a handle component part, a transmission seat, a valve rod, a valve plate, an oil seal, a steel ring, a valve sleeve, a positioning sleeve and a guide sleeve, wherein the guide sleeve is sealed with the valve plate and the valve body, the oil seal is embedded in the valve sleeve, and the steel ring is reinforced at the corresponding outer side of the oil seal arranged on the valve sleeve, wherein, the valve rod passes through the middle of the guide sleeve and is connected in series with the valve plate, the guide sleeve and the valve sleeve, the guide sleeve comprises a first guide sleeve and a second guide sleeve, the positioning sleeve is arranged at the upper part of the first guide sleeve, the lower part of the second guide sleeve is provided with a large gasket, the two ends of the valve rod are fixed by a fixing component arranged, the sealing surface of the valve plate faces upwards, the, when closing, contact with the oil blanket at a valve plate closed instant, it is little with the coefficient of friction of oil blanket, and the oil blanket wearing and tearing are little, and life is 10 times of ordinary central butterfly valve structure, has effectively solved above-mentioned current problem.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a high temperature resistant corrosion-resistant double-eccentric butterfly valve, includes handle components portion, transmission seat, valve rod, valve plate, oil blanket, steel ring, valve cover, position sleeve and uide bushing, the uide bushing with the valve plate with the valve body seals, the oil blanket inlay in the valve cover, just the valve cover is placed the corresponding outside reinforcement of oil blanket the steel ring, wherein, the valve rod is followed pass in the middle of the uide bushing, establish ties play the valve plate the uide bushing with the valve cover, the uide bushing includes first uide bushing and second uide bushing, the position sleeve is located first uide bushing upper portion, second uide bushing lower part is equipped with big gasket, the both ends of valve rod are fixed through the fixed subassembly that is equipped with.

Further, handle subassembly portion includes handle apron and handle, the handle apron is fixed through the plastics elasticity buckle structure that is equipped with on the handle, the handle apron with the handle forms semicircle structure, blocks the axis of rotation of the braking handle that is equipped with, the handle with the spring has been placed between the braking handle, the braking handle along the axis of rotation rotates to mesh with the pinion stand tooth mouth that is equipped with.

Further, the transmission seat with the valve rod cooperation is when mentioning the braking handle, overcomes spring force, the braking handle with gear seat meshing position is throw off, rotates the handle, the handle drives the transmission seat, the transmission seat drives the valve rod, the valve rod drives the valve plate with the uide bushing, with the oil blanket contact is opened or is closed.

Furthermore, the oil seal is embedded in the valve sleeve in an inverted tooth form, so that the valve sleeve is convenient to use and simple in structure.

Furthermore, the steel ring is a stainless steel ring, so that the strength can be increased.

Furthermore, the transmission seat is fixed on the handle through the elastic bayonet, and the transmission seat fixes the gear seat in the handle, so that the structure is simple.

Furthermore, the two ends of the valve rod are fixed through the clamp springs arranged, so that the valve rod is prevented from loosening up and down.

Further, the transmission seat is fixed with the valve body through the arranged bolt, the arranged nut and the arranged gasket.

Furthermore, the upper part of the positioning sleeve is provided with a retainer ring 1, the lower part of the large gasket is provided with a retainer ring 2, and the lower part of the retainer ring 2 is provided with a bottom cover.

Furthermore, the guide sleeve is provided with an O-shaped ring, rubber rings are arranged on two sides of the oil seal, the oil seal is embedded in the valve sleeve in a reverse tooth form, the oil seal enters along the teeth during installation, and after the oil seal reaches the depth, the elastic property of the rubber rings is utilized to open the buckling teeth to be embedded in the reverse groove, so that the installation is facilitated, and the oil seal can not fall off.

The utility model has the advantages that: the utility model provides a high temperature resistant corrosion-resistant double eccentric butterfly valve, including handle components portion, transmission seat, valve rod, valve plate, oil blanket, steel ring, valve cover, position sleeve and uide bushing, the uide bushing seals with valve plate and valve body, the oil blanket inlays in the valve cover, and the corresponding outside reinforcing steel ring of oil blanket is placed to the valve cover, wherein, the valve rod passes through in the middle of the uide bushing, establish ties and play valve plate, uide bushing and valve cover, the uide bushing includes first uide bushing and second uide bushing, the position sleeve is located first uide bushing upper portion, second uide bushing lower part is equipped with big gasket, the both ends of valve rod are fixed through the fixed subassembly that is equipped with, the sealing face of valve plate is upwards, respectively eccentric in valve rod and valve body left, the valve rod forms double eccentric structure, when opening, the sealing face of valve plate rapidly breaks away from with the oil blanket through double eccentric structure, when closing, contact with the oil blanket, the friction coefficient with the oil blanket is little, and the oil blanket wearing and tearing are little, and life is 10 times of ordinary central butterfly valve structure, has effectively solved above-mentioned current problem.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view M-M of FIG. 1;

FIG. 3 is a cross-sectional view taken along line K-K of FIG. 1;

fig. 4 is a front view of the present invention;

fig. 5 is a perspective view of the present invention.

In the figure: the novel hydraulic valve comprises a handle cover plate 1, a handle 2, a transmission seat 3, a gear seat 4, a retainer ring 5, a brake handle 6, a positioning sleeve 7, a valve body 8, a guide sleeve 9, an O-shaped ring 10, a valve sleeve 11, a valve plate 12, a valve rod 13, a retainer ring 14, a large gasket 2, a large gasket 15, a bottom cover 16, a bolt 17, a gasket 18, a nut 19, a rubber ring 20, an oil seal 21, a spring 22 and a steel ring 23.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

Example 1

A high-temperature-resistant corrosion-resistant double-eccentric butterfly valve comprises a handle component part, a transmission seat 3, a valve rod 13, a valve plate 12, an oil seal 21, a stainless steel ring 23, a valve sleeve 11, a positioning sleeve 7 and a guide sleeve, wherein the guide sleeve is sealed with the valve plate 12 and a valve body 8, the oil seal 21 is embedded in the valve sleeve 11, the stainless steel ring 23 is reinforced on the corresponding outer side of the valve sleeve 11 where the oil seal 21 is placed, the valve rod 13 penetrates through the middle of the guide sleeve and is connected with the valve plate 12, the guide sleeve and the valve sleeve 11 in series, the guide sleeve comprises a first guide sleeve 91 and a second guide sleeve 92, the positioning sleeve 7 is positioned on the upper part of the first guide sleeve 91, a large gasket 15 is arranged on the lower part of the second guide sleeve 92, and two ends of the valve; the handle assembly part comprises a handle cover plate 1 and a handle 2, the handle cover plate 1 is fixed on the handle 2 through an arranged plastic elastic buckle structure, the handle cover plate 1 and the handle 2 form a semi-circular structure to clamp a rotating shaft of an arranged brake handle 6, a spring 22 is arranged between the handle 2 and the brake handle 6, and the brake handle 6 rotates along the rotating shaft and is meshed with a tooth opening of an arranged gear seat 4; the transmission seat 3 is matched with the valve rod 13, when the brake handle 6 is lifted, the elastic force of the spring 22 is overcome, the meshing part of the brake handle 6 and the gear seat 4 is disengaged, the handle 2 is rotated, the handle 2 drives the transmission seat 3, the transmission seat 3 drives the valve rod 13, and the valve rod 13 drives the valve plate 12 and the guide sleeve to be in contact with the oil seal 21 for opening or closing; the oil seal 21 is embedded in the valve sleeve 11 in a reverse tooth form.

Example 2

The same as example 1 except that: the transmission seat 3 is fixed on the handle 2 through an elastic bayonet which is arranged, the transmission seat 3 fixes the gear seat 4 in the handle 2, two ends of the valve rod 13 are fixed through a clamp spring which is arranged, the transmission seat 3 is fixed together with the valve body 8 through a bolt 17 which is arranged, a nut 19 and a gasket 18, the upper portion of the positioning sleeve 7 is provided with a check ring 15, the lower portion of the large gasket 15 is provided with a check ring 214, the lower portion of the check ring 214 is provided with a bottom cover 16, the guide sleeve is provided with an O-shaped ring 10, two sides of an oil seal 21 are provided with rubber rings 20, the oil seal is embedded in the valve sleeve in a back-off tooth form, the oil seal enters along with the teeth during installation, after the depth is reached, the elasticity of the rubber rings 20 is utilized.

Handle apron 1 is fixed on handle 2 through the plastics elasticity buckle structure that is equipped with, and this elasticity buckle structure is common buckle structure among the prior art, and the event is no longer repeated.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides a high temperature resistant corrosion-resistant pair of eccentric butterfly valve which characterized in that: comprises a handle component part, a transmission seat (3), a valve rod (13), a valve plate (12), an oil seal (21), a steel ring (23), a valve sleeve (11), a positioning sleeve (7) and a guide sleeve, the guide sleeve is sealed with the valve plate (12) and the valve body (8) arranged on the guide sleeve, the oil seal (21) is embedded in the valve sleeve (11), and the corresponding outer side of the valve sleeve (11) where the oil seal (21) is arranged is reinforced with the steel ring (23), wherein the valve rod (13) passes through the middle of the guide sleeve and is connected with the valve plate (12), the guide sleeve and the valve sleeve (11) in series, the guide sleeve comprises a first guide sleeve (91) and a second guide sleeve (92), the positioning sleeve (7) is located on the upper portion of the first guide sleeve (91), the large gasket (15) is arranged on the lower portion of the second guide sleeve (92), and two ends of the valve rod (13) are fixed through the fixing assemblies.

2. The high temperature and corrosion resistant double eccentric butterfly valve of claim 1, wherein: the handle assembly part comprises a handle cover plate (1) and a handle (2), the handle cover plate (1) is fixed on the handle (2) through a plastic elastic buckle structure arranged on the handle, the handle cover plate (1) and the handle (2) form a semi-circular arc structure, the rotating shaft of a brake handle (6) arranged on the handle is clamped, the handle (2) and a spring (22) are placed between the brake handle (6), and the brake handle (6) is rotated along the rotating shaft and is meshed with a gear seat (4) tooth opening arranged on the brake handle.

3. The high temperature and corrosion resistant double eccentric butterfly valve of claim 2, wherein: transmission seat (3) with valve rod (13) cooperation, work as to mention braking handle (6), overcome spring (22) elasticity, braking handle (6) with gear seat (4) meshing position is disengaged, rotates handle (2), handle (2) drive transmission seat (3), transmission seat (3) drive valve rod (13), valve rod (13) drive valve plate (12) with the uide bushing, with oil blanket (21) contact is opened or is closed.

4. The high temperature and corrosion resistant double eccentric butterfly valve of claim 1, wherein: the oil seal (21) is embedded in the valve sleeve (11) in an inverted tooth form.

5. The high temperature and corrosion resistant double eccentric butterfly valve of claim 1, wherein: the steel ring (23) is a stainless steel ring.

6. The high temperature and corrosion resistant double eccentric butterfly valve of claim 3, wherein: the transmission seat (3) is fixed on the handle (2) through an elastic bayonet which is arranged, and the transmission seat (3) fixes the gear seat (4) in the handle (2).

7. The high temperature and corrosion resistant double eccentric butterfly valve of claim 1, wherein: and two ends of the valve rod (13) are fixed through the clamping springs.

8. The high temperature and corrosion resistant double eccentric butterfly valve of claim 1, wherein: the transmission seat (3) is fixed with the valve body (8) through a bolt (17), a nut (19) and a gasket (18).

9. The high temperature and corrosion resistant double eccentric butterfly valve of claim 1, wherein: the upper part of the positioning sleeve (7) is provided with a retainer ring 1(5), the lower part of the large gasket (15) is provided with a retainer ring 2(14), and the lower part of the retainer ring 2(14) is provided with a bottom cover (16).

10. The high temperature and corrosion resistant double eccentric butterfly valve of claim 1, wherein: an O-shaped ring (10) is arranged on the guide sleeve, and rubber rings (20) are arranged on two sides of the oil seal (21).