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Adjustable stop valve

A cut-off valve, adjustable technology, applied in the direction of sliding valves, valve details, valve devices, etc., can solve the problems of shortened service life, small flow adjustment accuracy, and easy wear of the sealing surface, so as to reduce the wear rate and improve the service life. The effect of longevity

Active Publication Date: 2019-04-19
JIANG SU YAN DIAN FA MEN CO LTD
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to make up for the deficiencies in the prior art, the present invention provides an adjustable stop valve, which can solve the problems of low flow adjustment accuracy and short service life caused by easy wear between sealing surfaces in the use of the existing stop valve.

Method used

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Embodiment Construction

[0026] In order to make the technical means realized by the present invention, creative features, goals and effects easy to understand, the following combination Figure 1 to Figure 5 , to further elaborate the present invention.

[0027] An adjustable cut-off valve, comprising a valve body 1, a connecting nut 2, an adjustment mechanism 3 and a control mechanism 4, the valve body 1 is a hollow cylinder structure with openings on the left and right ends, the left and right ends of the valve body 1 are symmetrically installed with connection Nut 2, a square through hole is opened in the middle of the valve body 1, and an adjustment mechanism 3 is arranged in the square through hole, and the upper end of the adjustment mechanism 3 is connected with the control mechanism 4; wherein:

[0028] The adjustment mechanism 3 includes an adjustment cylinder 31, an adjustment plate 32, a driven bevel gear 33, a driving bevel gear 34 and a connecting frame 35. The adjustment cylinder 31 is ...

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Abstract

The invention relates to an adjustable stop valve which comprises a valve body, connection nuts, an adjusting mechanism and a control mechanism. The valve body is of a hollow cylindrical structure with openings in the left end and the right end, the connection nuts are symmetrically installed at the left end and the right end of the valve body, a square through hole is formed in the middle of thevalve body, the adjusting mechanism is arranged in the square through hole, the upper end of the adjusting mechanism is connected with the control mechanism, the adjusting mechanism comprises an adjusting barrel, an adjusting plate, a driven bevel gear, a driving bevel gear and a connection frame, the control mechanism comprises a sealing frame, a valve rod, a scale plate and a rotary frame, and the rotary frame comprises a rotary rod, a rotary block and an indication plate. The problems that in the using process of existing stop valves, flow adjusting precision is low, sealing faces are proneto abrasion, and therefore the service life is shortened is solved, and the adjustable stop valve has the advantages that flow can be accurately adjusted, friction between the sealing faces is reduced, and the service life is prolonged.

Description

technical field [0001] The invention relates to the field of valves, in particular to an adjustable stop valve. Background technique [0002] The globe valve, also known as the gate valve, belongs to the forced sealing valve. As an extremely important cut-off valve, the globe valve is sealed by applying torque to the valve stem, and the valve stem exerts pressure on the disc in the axial direction, so that the valve The valve sealing surface and the valve seat sealing surface fit closely to prevent the medium from leaking along the gap between the sealing surfaces. [0003] Compared with the noise valve in another commonly used cut-off valve in industrial production, the cut-off valve is simpler than the former in terms of structure, and is easy to manufacture and maintain, but there are still some problems in the use of the cut-off valve: When the lever adjusts the opening height of the valve clack, friction will occur between the valve clack and the valve body, resulting ...

Claims

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Application Information

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IPC IPC(8): F16K3/06F16K3/314F16K31/53F16K37/00
CPCF16K3/06F16K3/314F16K31/53F16K37/0016
Inventor 徐昆孙德林吕振阳刘冬斌刘洋
Owner JIANG SU YAN DIAN FA MEN CO LTD
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