Hinged bolt

A technology of hinged bolts and bolts, applied in the direction of adjustable connection, pipe/pipe joint/pipe fitting, passing element, etc., can solve the problem of low flow velocity, etc., and achieve the effect of increasing flow rate and increasing flow rate

Inactive Publication Date: 2012-11-14
NINGBO JIACHENG HYDRAULIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Among them, there is a hinged bolt that can be connected with the hinged body, including a head and a tail. A large flow hole is opened in the center of the tail in the axial direction, and an input hole communicated with the end of the flow hole is opened on the side wall of the tail. The input hole is generally perpendicular to the flow hole, so that the entire flow channel is L-shaped, and the flow velocity is not high

Method used

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Embodiment Construction

[0010] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0011] like figure 1 , figure 2 As shown, the hinged bolt includes a bolt body, and the bolt body includes a head 1 and a tail 2;

[0012] A flow hole 3 is opened in the tail part 2 of the bolt body along the length direction, and the flow hole 3 does not penetrate to the head 1 of the bolt body;

[0013] On the side wall of the tail part 2 of the bolt body, four guide holes 4 are evenly distributed, and the inner sides of each guide hole 4 communicate with the flow hole 3. The body tail 2 is arranged in an inclined manner, and the inclination angle relative to the side wall of the bolt body tail 2 is 45 degrees.

[0014] When assembling with the hinge body 5, the bolt body tail 2 is screwed into the through hole 51 of the hinge body 5, and the flow hole 52 of the hinge body 5 communicates with the guide hole 4 of the hinge bolt, see fig...

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Abstract

The invention relates to a hinged bolt which comprises a bolt body and a circulating hole which is formed at the tail part of the bolt body along the length direction, wherein at least one oblique guide hole which is communicated with the circulating hole is also formed on the side wall of the tail part of the bolt body; and the guide holes are arranged from the outer side of the side wall to the inner side of the side wall in a mode of being oblique toward the tail part of the bolt body. Compared with the prior art, the oblique guide holes are arranged at the tail part of the bolt body, which plays a role of guiding a fluid flowing from the hinged body, so that the fluid rapidly and smoothly flows into the circulating hole of the bolt body, the fluid is lifted greatly through the circulating speed of the hinged bolt, at the same time section, the flow rate can be increased by 30%, and the hinged bolt is much suitable for actual using.

Description

technical field [0001] The invention relates to a bolt, in particular to a hinged bolt which can be connected with a hinged body. Background technique [0002] Pipe joints are widely used in the connection of oil and liquid transportation pipelines, such as two-way joints, three-way joints, multi-way joints, etc. Among them, there is a hinged bolt that can be connected with the hinged body, including a head and a tail. A large flow hole is opened in the center of the tail in the axial direction, and an input hole communicated with the end of the flow hole is opened on the side wall of the tail. The input hole is generally perpendicular to the flow hole, so that the entire flow channel is L-shaped, and the flow velocity is not high. Therefore, await further improvement. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a hinged bolt according to the current state of the art, which can make the fluid flow through t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16L27/093
Inventor 郑益锋
Owner NINGBO JIACHENG HYDRAULIC
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