CN213776531U

CN213776531U - Straight-through PPR gate valve

Info

Publication number: CN213776531U
Application number: CN202022228093.7U
Authority: CN
Inventors: 王坤; 丁志国; 刘亮
Original assignee: Shanghai Xinshifeng New Building Materials Co ltd
Current assignee: Shanghai Xinshifeng New Building Materials Co ltd
Priority date: 2020-10-09
Filing date: 2020-10-09
Publication date: 2021-07-23
Anticipated expiration: 2030-10-09

Abstract

The utility model discloses a PPR gate valve of through, including valve body, valve rod and water pipe, the valve rod is installed in the valve body, the valve body both ends are connected with the water pipe, the valve body is connected with can not be because of the closing means that water pressure leaked, this PPR gate valve of through, water pressure can be alleviated to closing means, increase water flow area, it is more comfortable to make people's water use, become traditional valve body internal thread external screw thread and increase water flow area, and the sealing washer is stopped the water of great water pressure infiltration, brass intensity hardness is higher, wearing and tearing are little, long service life, the screw thread rotates more smoothly, and the buffering water pressure that the hemisphere can be better than traditional toper moreover, the water pipe that the thread circle made the screw thread to advance can conveniently seal up the water of infiltration.

Description

Straight-through PPR gate valve

Technical Field

The utility model relates to a gate valve technical field specifically is a PPR gate valve of through type.

Background

The water supply of the household water supply pipeline system is realized by a stop valve, which is also called a gate valve and belongs to a forced sealing type valve, so that when the valve is closed, pressure must be applied to a valve clack to force a sealing surface not to leak.

The traditional PP-R stop valve is made of plastic, the service life of the material is short, and the plastic valve clack is in a conical shape when the valve is closed, so that the water leakage at the joint of the valve body and the water pipe can be caused by blocking large water pressure. To this end, we propose a straight through PPR gate valve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can not leak straight through's PPR gate valve because of water pressure to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the straight-through PPR gate valve comprises a valve body, a valve rod and a water pipe, wherein the valve rod is installed in the valve body, the two ends of the valve body are connected with the water pipe, and the valve body is connected with a stop device which cannot leak water due to water pressure.

Preferably, stop device includes the valve gap, valve body outer fringe face fixedly connected with valve gap, the cap is pressed to valve gap up end fixedly connected with, press cap internally mounted to have the sealing layer, the valve rod outer fringe face is equipped with first external screw thread, the valve rod outer fringe face is provided with the clamping ring, first external screw thread and valve gap threaded connection, clamping ring and sealing layer sliding connection, the hand wheel is installed to the valve rod upper end, valve rod lower extreme fixedly connected with valve clack, the valve clack is sliding connection in the valve body, the valve body both ends are connected with sealing device, and water pressure can be alleviated by the stop device, and increase water flow area makes people's water consumption more comfortable.

Preferably, sealing device includes the second external screw thread, valve body both ends outer fringe face is provided with the second external screw thread, the valve body both ends are provided with the seal chamber, seal chamber internally mounted has the sealing washer, the inside internal thread that is provided with of water pipe, water pipe and valve body threaded connection, the water pipe terminal surface be provided with sealing washer complex sealed piece, wherein, become traditional valve body internal thread external screw thread increase water flow area, the sealing washer ends the water of great water pressure infiltration moreover.

Preferentially, valve body, valve rod and valve clack material choose for use brass, the valve clack is the hemisphere, and wherein, brass intensity hardness is higher, and wearing and tearing are little, long service life, and the screw thread rotates more smoothly, and the hemisphere can be better buffering water pressure than traditional toper moreover.

Preferably, the sealing ring is internally provided with a threaded ring matched with the sealing block, the sealing ring is made of rubber, and the threaded ring enables a water pipe with advancing threads to conveniently seal permeated water.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses can alleviate water pressure by the device, increase water flow area makes people's water more comfortable, becomes traditional valve body internal thread external screw thread and increases water flow area, and the sealing washer is stopped the infiltration of great water pressure's water moreover, and brass intensity hardness is higher, and wearing and tearing are little, long service life, the screw thread rotates more smoothly, and the hemisphere is than traditional toper can be better buffering water pressure moreover, and the fillet of screw makes the water pipe that the screw thread gos forward can conveniently seal the infiltration water.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of FIG. 1 from another perspective;

FIG. 3 is an enlarged view of a portion of the area A in FIG. 2;

fig. 4 is a partially enlarged view of the area B in fig. 2.

In the figure: 1-a valve body; 2-a valve stem; 3-a water pipe; 4-a cut-off device; 5-valve cover; 6-pressing the cap; 7-a sealing layer; 8-a first external thread; 9-pressing a ring; 10-a hand wheel; 11-a valve flap; 12-a sealing device; 13-a second external thread; 14-sealing the bin; 15-sealing ring; 16-internal threads; 17-a sealing block; 18-thread turn.

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. 1-4, the present invention provides a technical solution: the utility model provides a through PPR gate valve, includes valve body 1, valve rod 2 and water pipe 3, valve rod 2 is installed in valve body 1, valve body 1 both ends are connected with water pipe 3, valve body 1 is connected with can not be because of water pressure leak by device 4, and when using, water pipe 3 is installed on valve body 1, and the reuse is by device 4 realization switch water.

By device 4 includes

valve gap

5, 1 outer fringe face fixedly connected with valve gap 5 of valve body, the cap 6 is pressed to valve gap 5 up end fixedly connected with, press 6 internally mounted of cap there is sealing

layer

7, 2 outer fringe faces of valve rod are equipped with first

external screw thread

8, 2 outer fringe faces of valve rod are provided with clamping ring 9, first

external screw thread

8 and 5 threaded connection of valve gap, clamping ring 9 and sealing layer 7 sliding connection, hand wheel 10 is installed to 2 upper ends of valve rod, 2 lower extreme fixedly connected with valve clacks 11 of valve rod, valve clack 11 slides in 1 valve body, 1 both ends of valve body are connected with sealing device 12, and when using by device 4, rotate hand wheel 10 and drive valve rod 2 and rotate, drive valve clack 11 and rise and descend, realize that the drainage is closed water, and reuse sealing device 12 guarantees that water can not ooze.

Sealing device 12 includes second

external screw thread

13, 1 both ends of valve body outer fringe face is provided with second

external screw thread

13, 1 both ends of valve body are provided with sealed storehouse 14, sealed storehouse 14 internally mounted has sealing

washer

15, 3 inside internal threads 16 that are provided with of water pipe,

water pipe

3 and 1 threaded connection of valve body, 3 terminal surfaces of water pipe be provided with sealing washer 15 complex seal block 17, when using sealing device 12, twine the sticky tape on the 13 surfaces of second external screw thread, and water pipe 3 is installed on valve body 1 again, makes seal block 17 get into sealed storehouse 14, and sealing washer 15 makes water can not ooze.

The valve body 1, the valve rod 2 and the valve clack 11 are made of brass, and the valve clack 11 is hemispherical.

And a thread ring 18 matched with the sealing block 17 is arranged in the sealing ring 15, and the sealing ring 15 is made of rubber.

The working principle is as follows: when using, water pipe 3 installs on valve body 1, and reuse is by device 4 realization switch water, when using by device 4, rotates hand wheel 10 and drives valve rod 2 and rotate, drives valve clack 11 and rises and descends, realizes the drainage and closes water, and reuse sealing device 12 guarantees that water can not ooze, when using sealing device 12, twines the sticky tape in second external thread 13 surface, and reuse water pipe 3 installs on valve body 1, makes sealed block 17 get into sealed storehouse 14, and sealing washer 15 makes water can not ooze.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 PPR gate valve of through-type, includes valve body (1), valve rod (2) and water pipe (3), its characterized in that: the valve rod (2) is installed in the valve body (1), the two ends of the valve body (1) are connected with the water pipes (3), and the valve body (1) is connected with a stop device (4) which can not leak water due to water pressure.

2. A flow-through PPR gate valve according to claim 1, wherein: device (4) is including valve gap (5), valve body (1) outer fringe face fixedly connected with valve gap (5), end face fixedly connected with presses cap (6) on valve gap (5), press cap (6) internally mounted have sealing layer (7), valve rod (2) outer fringe face is equipped with first external screw thread (8), valve rod (2) outer fringe face is provided with clamping ring (9), first external screw thread (8) and valve gap (5) threaded connection, clamping ring (9) and sealing layer (7) sliding connection, hand wheel (10) are installed to valve rod (2) upper end, valve rod (2) lower extreme fixed connection has valve clack (11), valve clack (11) sliding connection in valve body (1), valve body (1) both ends are connected with sealing device (12).

3. A flow-through PPR gate valve according to claim 2, wherein: sealing device (12) include second external screw thread (13), valve body (1) both ends outer fringe face is provided with second external screw thread (13), valve body (1) both ends are provided with sealed storehouse (14), sealed storehouse (14) internally mounted has sealing washer (15), water pipe (3) inside is provided with internal thread (16), water pipe (3) and valve body (1) threaded connection, water pipe (3) terminal surface be provided with sealing washer (15) complex seal block (17).

4. A flow-through PPR gate valve according to claim 1, wherein: the valve body (1), the valve rod (2) and the valve clack (11) are made of brass, and the valve clack (11) is hemispherical.

5. A flow-through PPR gate valve according to claim 3, wherein: the sealing ring (15) is internally provided with a thread ring (18) matched with the sealing block (17), and the sealing ring (15) is made of rubber.