CN214534797U

CN214534797U - Novel black water and grey water regulating valve head

Info

Publication number: CN214534797U
Application number: CN202120530213.0U
Authority: CN
Inventors: 崔炜; 寇俊得; 袁振琪
Original assignee: Xi'an Dongdian Fluid Technology Co ltd
Current assignee: Xi'an Dongdian Fluid Technology Co ltd
Priority date: 2021-03-15
Filing date: 2021-03-15
Publication date: 2021-10-29
Anticipated expiration: 2031-03-15

Abstract

The utility model discloses a novel black water and grey water regulating valve head, which comprises a fixed seat and a valve core; the fixing base is cylindrical and the top outside is equipped with the step groove, the middle part axial of fixing base sets up threaded hole, and the bottom center of fixing base sets up the inside groove with the screw hole intercommunication, the top of case be equipped with inside groove complex round platform, and the middle part upside of case set up with the round hole of screw hole with the diameter, and the middle part downside of case sets up the bell mouth that communicates the round hole, the bell mouth fit in is equipped with the toper briquetting, the bottom of spliced pole connecting thread post is passed through on the top of toper briquetting, the valve rod is connected on the top of screw thread post, and the spliced pole is located the round hole, and screw thread post and screw hole threaded connection. The use presses the case to the fixing base with bell mouth complex toper briquetting, uses the screw-thread fit of fixing base and screw thread post to fix the case at the tip of valve rod, improves valve head mechanical properties, can not produce the fracture and the inefficacy that the case drops.

Description

Novel black water and grey water regulating valve head

Technical Field

The utility model relates to a case subassembly technical field of black water buck governing valve specifically is a novel black water buck governing valve head.

Background

For large caliber (large flow capacity) black water grey water regulating valve. The tungsten carbide part adopted by the common valve core assembly is fastened on the valve rod through a screw. The diameter of the set screw is limited by the size of the valve rod, and a loose or broken failure mode often occurs in the use process, so that the valve core finally falls off, the valve fails, and the valve cannot normally work.

The valve head and the valve rod are connected through a set screw, the size of the set screw is limited by the structure, the mechanical performance is poor, and the failure is easy.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a novel black water grey water governing valve head, the valve head junction changes into and takes the awl to compress tightly the form, improves valve head mechanical properties, can not produce the inefficacy that fracture and case drop, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a novel valve head of a black water and grey water regulating valve comprises a fixed seat and a valve core;

the fixing base is cylindrical and the top outside is equipped with the step groove, the middle part axial of fixing base sets up threaded hole, and the bottom center of fixing base sets up the inside groove with the screw hole intercommunication, the top of case be equipped with inside groove complex round platform, and the middle part upside of case set up with the round hole of screw hole with the diameter, and the middle part downside of case sets up the bell mouth that communicates the round hole, the bell mouth fit in is equipped with the toper briquetting, the bottom of spliced pole connecting thread post is passed through on the top of toper briquetting, the valve rod is connected on the top of screw thread post, and the spliced pole is located the round hole, and screw thread post and screw hole threaded connection.

The use presses the case to the fixing base with bell mouth complex toper briquetting, uses the screw-thread fit of fixing base and screw thread post to fix the case at the tip of valve rod to adopt round platform and inside groove cooperation joint together, improve valve head mechanical properties, can not produce the fracture and the inefficacy that the case drops.

Furthermore, the circular truncated cone further comprises a backing ring, and the backing ring with the same outer diameter as the circular truncated cone is arranged in the inner groove. And the gasket ring is used for ensuring the connection tightness of the fixed seat and the valve core.

Furthermore, the shaft end of the valve rod, which is positioned on the upper side of the threaded hole, is sleeved with a sealing ring, and the top of the sealing ring is flush with the top of the fixed seat. The sealing ring is used for preventing fluid medium from corroding the threaded column and the threaded hole through a thread gap.

Compared with the prior art, the beneficial effects of the utility model are that: this novel black water grey water governing valve head has following benefit:

1. the joint of the valve head is changed into a pressing mode with a cone, so that the mechanical property of the valve head is improved, and failure of breakage and falling of the valve core is avoided.

2. The structure saves the materials of the valve core and the fixed seat, has low manufacturing cost of the tungsten carbide valve core and reduces the use cost of users.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: 1 conical pressing block, 2 fixing seats, 3 valve cores, 4 backing rings, 5 connecting columns, 6 threaded columns, 7 sealing rings and 8 valve rods.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the present embodiment provides a technical solution: a novel valve head of a black water and grey water regulating valve comprises a fixed seat 2 and a valve core 3;

fixing base 2 is cylindrical and the top outside is equipped with the step groove, the middle part axial set up screw hole of fixing base 2, and the bottom center of fixing base 2 set up the inside groove with the screw hole intercommunication, the top of case 3 is equipped with the round platform with inside groove complex, and the middle part upside of case 3 sets up the round hole with the screw hole with the diameter, and the middle part downside of case 3 sets up the bell mouth of intercommunication round hole, the bell mouth fit in is equipped with toper briquetting 1, the bottom of spliced pole 5 connecting thread post 6 is passed through on the top of toper briquetting 1, valve rod 8 is connected on the top of thread post 6, spliced pole 5 is located the round hole, and thread post 6 and screw hole threaded connection.

The circular truncated cone is characterized by further comprising a backing ring 4, and the backing ring 4 with the same outer diameter as the circular truncated cone is arranged in the inner groove. The use of the backing ring 4 ensures the tightness of the connection of the fixed seat 2 and the valve core 3.

The shaft end of the valve rod 8, which is positioned at the upper side of the threaded hole, is sleeved with a sealing ring 7, and the top of the sealing ring 7 is flush with the top of the fixed seat 2. The use of the sealing ring 7 prevents fluid medium from corroding the threaded stud 6 and the threaded bore through the thread gap.

Use and bell mouth complex toper briquetting 1 to press case 3 to fixing base 2, use the screw-thread fit of fixing base 2 and screw thread post 6 to fix case 3 at the tip of valve rod 8 to adopt round platform and inside groove cooperation joint together, improve valve head mechanical properties, can not produce the fracture and the inefficacy that the case drops.

It is noted that other parts of the present invention, which are not described in detail, are conventional techniques known to those skilled in the art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel black water buck governing valve head which characterized in that: comprises a fixed seat (2) and a valve core (3);

fixing base (2) are cylindrical and the top outside is equipped with the step groove, the middle part axial set up screw hole of fixing base (2), and the bottom center of fixing base (2) set up the inside groove with the screw hole intercommunication, the top of case (3) be equipped with inside groove complex round platform, and the middle part upside of case (3) set up with the round hole of screw hole same diameter, and the middle part downside of case (3) sets up the bell mouth of intercommunication round hole, the bell mouth cooperation is equipped with toper briquetting (1), the bottom of spliced pole (5) connecting thread post (6) is passed through on the top of toper briquetting (1), valve rod (8) is connected on the top of screw thread post (6), and spliced pole (5) are located the round hole, and screw thread post (6) and screw hole threaded connection.

2. The novel black water grey water regulating valve head of claim 1, wherein: the inner groove is internally provided with a backing ring (4) with the same outer diameter as the circular truncated cone.

3. The novel black water grey water regulating valve head of claim 1 or 2, characterized in that: the shaft end of the valve rod (8) on the upper side of the threaded hole is sleeved with a sealing ring (7), and the top of the sealing ring (7) is flush with the top of the fixed seat (2).