CN214743411U

CN214743411U - Detachable stop valve for plastic pipeline

Info

Publication number: CN214743411U
Application number: CN202121318926.7U
Authority: CN
Inventors: 岑自成
Original assignee: Chengdu Yifan Plastic Co ltd
Current assignee: Chengdu Yifan Plastic Co ltd
Priority date: 2021-06-11
Filing date: 2021-06-11
Publication date: 2021-11-16
Anticipated expiration: 2031-06-11

Abstract

The utility model discloses a detachable stop valve for plastic pipeline belongs to valve technical field for the pipeline. The purpose is to improve the impact strength and the wearability of end cap in the stop valve, and the end cap has the sunken poor problem of stop valve water shutoff effect that leads to appearing on some base members after long-time the use in the former raw water in solving current stop valve. Technical scheme is, provides a stop valve for plastic pipeline, including disk seat, valve body, connecting piece, head rod and end cap, the one end of disk seat is equipped with the water inlet, and the other end of disk seat is equipped with the delivery port, is equipped with the installation department on the lateral wall of disk seat, is equipped with first logical groove in the installation department, is equipped with the second in the valve body and leads to the groove, is equipped with the portion of controlling on the head rod, and first logical groove below is equipped with the through-hole, is equipped with the plastic layer on the surface of end cap.

Description

Detachable stop valve for plastic pipeline

Technical Field

The utility model belongs to the technical field of the valve for the pipeline, a detachable stop valve for plastic pipeline is related to.

Background

The stop valve is through changing throttle cross section or throttle length with the valve of control fluid flow, and stop valve convenient to use, application range are very extensive, are common valve, and the closure principle of stop valve is: the valve clack sealing surface is tightly attached to the valve seat sealing surface by means of the pressure of the valve rod, and the medium is prevented from flowing.

The common valve body flow passage forms of the stop valve are 3 types of straight-through type, straight-through type and right-angle type, the fluid resistance of the straight-through type stop valve is large, and the valve body is called a spherical valve because the shape of the valve body is similar to a sphere; in order to reduce the fluid resistance, a direct-flow type, namely a Y-type stop valve and a right-angle type stop valve are arranged, and the direct-flow type is mainly used for fluid containing solid particles or high in viscosity; the right-angle type is used for high-pressure and medium-pressure right-angle type pipelines.

Raw water is generally a natural water source collected in nature, including underground water, spring water, reservoir water and the like, and impurities such as silt, gravel and the like generally exist in the raw water without any artificial purification treatment.

In the process of implementing the present invention, the inventor finds that there are at least the following problems in the prior art:

1. the existing stop valve has the problems of complex structure, high maintenance and replacement cost, poor water plugging effect after long-time use and the like;

2. the end cap of current stop valve adopts flavone preparation mostly, and such stop valve after extracting with the pipeline of shutoff raw water work a period, end cap and raw water direct contact's one side because often erode and appear sunken leading to unable shutoff and block up water, form the water clock, need often change, and is with high costs unfavorable for manufacturing.

Disclosure of Invention

In view of this, the utility model aims at providing a detachable stop valve for plastic pipeline, the spraying forms the plastic layer or adopts plastics to make full plastic end cap on the surface of end cap, has fabulous shock resistance and wearability to be convenient for processing production, reduce cost.

The inventor provides a detachable stop valve for a plastic pipeline through long-term exploration and attempt, multiple experiments and efforts and continuous innovation, and aims to solve the technical problems, the technical scheme provided by the utility model is that the detachable stop valve comprises a valve seat, a valve body, a connecting piece, a first connecting rod and an end cap, one end of the valve seat is provided with a water inlet, the other end of the valve seat is provided with a water outlet, the side wall of the valve seat is provided with an installation part, a first through groove is arranged in the installation part and communicated with the inside of the valve seat, the connecting piece is installed in the first through groove, one end of the valve body is installed in the first through groove through the connecting piece, a second through groove is arranged in the valve body, the first connecting rod is installed in the second through groove, one end of the first connecting rod extends out from one end of the second through groove, one end of the first connecting rod is provided with a holding part, the other end of the first connecting rod is detachably connected with one end of the plug, a through hole matched with the other end of the plug is formed below the first through groove, and a plastic layer is arranged on the outer surface of the plug.

According to the utility model relates to a concrete implementation mode of detachable stop valve for plastic pipeline, the end cap includes second connecting rod and water shutoff portion, the second connecting rod is connected with water shutoff portion, be equipped with the mounting groove in the second connecting rod, the head rod passes through the mounting groove and is connected with the second connecting rod.

According to the utility model relates to a preferred embodiment of detachable stop valve for plastic pipeline, water shutoff portion is the round platform form, the second connecting rod is connected with water shutoff portion large tracts of land one end.

According to the utility model relates to a further embodiment of a detachable stop valve for plastic pipeline, be equipped with the internal thread on the mounting groove inside wall, be equipped with on the head rod outer wall with interior screw-thread fit's external screw thread.

According to the utility model relates to a further embodiment of a detachable stop valve for plastic pipeline, mounting groove inside wall both ends department is equipped with the internal thread, be equipped with on the head rod outer wall face with interior screw-thread fit's external screw thread.

According to the utility model relates to a further embodiment of a detachable stop valve for plastic pipeline, the disk seat is equipped with the rubber seal ring with the valve body department of being connected.

According to the utility model relates to a further embodiment of a detachable stop valve for plastic pipeline, the valve body is equipped with corresponding rubber and plastic sealing washer with head rod cooperation department.

According to the utility model relates to a further embodiment of a detachable stop valve for plastic pipeline, the end cap is the all-plastic end cap of ABS.

According to the utility model relates to a further embodiment of a detachable stop valve for plastic pipeline, one of connecting rod and the connection of control portion serves and is equipped with fastening nut.

According to the utility model relates to a further embodiment of a detachable stop valve for plastic pipeline, be equipped with the gasket between fastening nut and the handle.

Compared with the prior art, one of the technical solutions has the following advantages:

a) the utility model discloses a disk seat, the valve body, the connecting piece, stop valve is constituteed to head rod and end cap, one end through at the disk seat is equipped with the water inlet, the other end of disk seat is equipped with the delivery port, be equipped with the installation department on the lateral wall of disk seat, be equipped with first logical groove in the installation department, first logical groove and the inside intercommunication of disk seat, be equipped with the second in the valve body and lead to the groove, be equipped with on the head rod and control the portion, the head rod is connected with the end cap is detachable, first logical groove below is equipped with the other end complex through-hole with the end cap, be equipped with the setting of plastic layer on the surface of end cap, the work maintenance personnel of being convenient for go on the utility model discloses a dismouting work, reduction in production cost and cost of labor have fabulous impact strength, overall structure is firm reliable, long service life and advantage such as water shutoff effect are good, be applicable to the pipeline that is used for extracting the raw water specially.

b) The utility model discloses an end cap that second connecting rod and water shutoff portion are constituteed adopts the head rod to pass through the setting that mounting groove and second connecting rod are connected, and the staff of being convenient for carries out the dismouting work of end cap, dismantles the replacement when conveniently overhauing.

c) The utility model discloses a water shutoff portion is the round platform form, and the setting that second connecting rod and water shutoff portion large tracts of land one end are connected has improved the utility model discloses sealed effect during water shutoff.

d) The utility model discloses a be equipped with the internal thread on the mounting groove inside wall, be equipped with on the head rod outer wall face with the setting of interior screw-thread fit's external screw thread, such relation of connection is simple and practical, and is firm reliable.

e) The utility model discloses a mounting groove inside wall both ends department is equipped with the internal thread, be equipped with on the head rod outer wall face with the setting of interior screw-thread fit's external screw thread, such relation of connection simple and practical, firm reliable to need not set up too much internal thread, improve production efficiency.

f) The utility model discloses a disk seat is equipped with the setting of rubber seal ring with the valve body department of being connected, avoids disk seat and valve body direct contact, produces wearing and tearing ageing and lead to unable normal use after long-term work, has improved the utility model discloses a life can also improve the utility model discloses a leakproofness.

g) The utility model discloses a valve body and head rod cooperation department are equipped with the setting of corresponding rubber and plastic sealing washer, avoid head rod and valve body direct contact, produce wear and tear after long-term the use ageing leading to unable normal use, further improved the utility model discloses a life can also further improve the utility model discloses a leakproofness.

h) The utility model discloses a plug is the setting of the all-plastic plug of ABS, and ABS engineering plastics are with low costs and have nontoxic, tasteless, have cold concurrently, hard, the characteristic of steel.

i) The utility model discloses a setting that serves and be equipped with fastening nut that head rod and control portion are connected improves eight chi portions and head rod relation of connection's steadiness, and makes the utility model discloses the replacement can be dismantled to the control portion, and the staff of being convenient for carries out dismouting work.

j) The utility model discloses a be equipped with the setting of gasket between fastening nut and the control portion, avoid control portion and the long-term rigid contact of head rod to take place to wear out and lead to after ageing unable normal use, the scheduling problem that leaks appears.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural view of a preferred embodiment of the detachable stop valve for a plastic pipeline of the present invention.

Fig. 2 is a schematic structural view of the plug in fig. 1.

Fig. 3 is a schematic structural view of another preferred embodiment of the detachable stop valve for plastic pipes according to the present invention.

The labels in the figure are respectively: 100 valve seats, 110 water inlets, 120 water outlets, 130 installation parts, 131 first through grooves, 140 through holes, 200 valve bodies, 210 second through grooves, 300 connecting pieces, 400 first connecting rods, 500 plugs, 510 plastic layers, 520 second connecting rods, 521 installation grooves, 530 water plugging parts, 600 holding parts, 610 fastening nuts, 620 gaskets, 700 rubber and plastic sealing rings and 800 rubber sealing rings.

Detailed Description

The following description is made with reference to the accompanying drawings and a specific embodiment.

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it may not be further defined and explained in subsequent figures.

Example 1:

see fig. 1 to 2. What this embodiment describes is a detachable stop valve for plastic pipeline, including disk seat 100, valve body 200, connecting piece 300, first connecting rod 400 and end cap 500, the one end of disk seat 100 is equipped with water inlet 110, and the other end of disk seat 100 is equipped with delivery port 120, is equipped with installation department 130 on the lateral wall of disk seat 100, be equipped with first logical groove 131 in the installation department 130, first logical groove 131 and the inside intercommunication of disk seat 100, connecting piece 300 is installed in first logical groove 131, the one end of valve body 200 is installed in first logical groove 131 through connecting piece 300, be equipped with second logical groove 210 in the valve body 200, first connecting rod 400 is installed in second logical groove 210, the one end of second logical groove 210 is stretched out from to the one end of first connecting rod 400, one of first connecting rod 400 is served and is equipped with handle 600, the other end of first connecting rod 400 is connected with the one end of end detachable of end cap 500, a through hole 140 matched with the other end of the plug 500 is arranged below the first through groove 131, and a plastic layer 510 is arranged on the outer surface of the plug 500. In this embodiment, the valve seat 100 is connected with the water pipe through the water inlet 110 and the water outlet 120 respectively, the connecting piece 300 is an insert, as a transition piece when the valve body 200 is connected with the valve seat 100, it is convenient for the staff to carry out the installation connection work of the valve body 200 and the valve seat 100, the first connecting rod 400 is a valve rod, the holding part 600 is a hand wheel, the first connecting rod 400 can be driven to move up and down by rotating the holding part 600, and then the plug 500 is driven to move up and down to cooperate with the through hole 140 to adjust the water flow, the plastic layer 510 is a layer of ABS plastic coating sprayed on the outer surface of the plug 500, and can protect the plug 500, in the pipeline for conveying raw water, the problem that silt or gravel existing in the raw water directly erodes the plug 500 to cause the sinking thereof, resulting in poor water plugging effect, and the problem of water dripping and the like can occur.

Specifically, the plug 500 includes a second connecting rod 520 and a water blocking part 530, the second connecting rod 520 is connected to the water blocking part 530, an installation groove 521 is provided in the second connecting rod 520, and the first connecting rod 400 is connected to the second connecting rod 520 through the installation groove 521. In this embodiment, the second link 520 and the water blocking part 530 are integrally formed to form the plug 500, the second link 520 is provided with the mounting groove 521, and when the worker connects the plug 500 and the first link 400, the worker can directly insert the first link 400 into the mounting groove 521, so that the connection manner is simple and practical.

Specifically, the water blocking part 530 is in a circular truncated cone shape, and the second connecting rod 520 is connected with one end of the water blocking part 530 with a large area. The water shutoff portion 530 of round platform form can improve the utility model discloses a water shutoff effect, when the one side that water shutoff portion 530 and water often contacted appears partial notch, can make the normal wall in water shutoff portion 530 upper portion and through-hole 140 top contact carry out water shutoff through further screwing handle portion 600.

Specifically, an inner thread is arranged on the inner side wall of the mounting groove 521, and an outer thread matched with the inner thread is arranged on the outer wall surface of the first connecting rod 400. The threaded connection mode is simple and practical, and has the advantages of convenient operation, good connection effect and the like.

Specifically, a rubber sealing ring 800 is arranged at the joint of the valve seat 100 and the valve body 200. In this embodiment, make disk seat 100 and valve body 200 not directly carry out the rigid contact through setting up rubber seal ring 800, avoid appearing wearing and tearing ageing, improve its life, still improved the utility model discloses a leakproofness appears leaking after avoiding the live time overlength and waits phenomenon.

Specifically, a corresponding rubber-plastic sealing ring 700 is arranged at the matching position of the valve body 200 and the first connecting rod 400. In this embodiment, make valve body 200 and head rod 400 not directly carry out rigid contact through setting up rubber and plastic sealing washer 700, avoid appearing wearing and tearing ageing, improve its life, still further improved the utility model discloses a leakproofness appears leaking after avoiding the live time overlength and waits.

Specifically, a fastening nut 610 is disposed at one end of the first connecting rod 400 connected to the holding part 600. In the present embodiment, the fastening nut 610 can fix the grip 600 to the first connecting rod 400, and the worker can easily attach and detach the grip 600.

Specifically, a spacer 620 is provided between the fastening nut 610 and the grip 600. In this embodiment, the gasket 620 prevents the holding part 600 from being in rigid contact with the top of the first connecting rod 400, which may cause water leakage after abrasion.

Example 2:

see fig. 1-2. This embodiment is a further technical solution in embodiment 1, and therefore, the same contents in embodiment 1 are not described again in this embodiment, and the differences in this embodiment in comparison with embodiment 1 are: internal threads are arranged at two ends of the inner side wall of the mounting groove 521, and external threads matched with the internal threads are arranged on the outer wall surface of the first connecting rod 400. In this embodiment, only both ends of the mounting groove 521 are provided with internal threads, which can reduce the overall weight of the utility model discloses a ensure that the plug 500 is connected firmly with the head rod 400.

Example 3:

see fig. 3. This embodiment is a further technical solution in the foregoing embodiment, and therefore the same contents in the foregoing embodiment are not described again in this embodiment, and the difference of this embodiment compared with the foregoing embodiment is: the plug 500 is an ABS all-plastic plug. In this embodiment, the plug 500 is directly made of ABS plastic, so that the production process is faster and more efficient, the weight is light, the transportation is convenient, and the impact strength of the plug 500 is further improved.

The above is only a preferred embodiment of the present invention, and it should be noted that the above preferred embodiment should not be considered as limiting the present invention, and the protection scope of the present invention should be subject to the scope defined by the claims. It will be apparent to those skilled in the art that various modifications and enhancements can be made without departing from the spirit and scope of the invention, and such modifications and enhancements are intended to be within the scope of the invention.

Claims

1. The utility model provides a detachable stop valve for plastic pipeline which characterized in that: the valve comprises a valve seat (100), a valve body (200), a connecting piece (300), a first connecting rod (400) and a plug (500), wherein a water inlet (110) is formed in one end of the valve seat (100), a water outlet (120) is formed in the other end of the valve seat (100), an installation part (130) is formed in the side wall of the valve seat (100), a first through groove (131) is formed in the installation part (130), the first through groove (131) is communicated with the interior of the valve seat (100), the connecting piece (300) is installed in the first through groove (131), one end of the valve body (200) is installed in the first through groove (131) through the connecting piece (300), a second through groove (210) is formed in the valve body (200), the first connecting rod (400) is installed in the second through groove (210), one end of the first connecting rod (400) extends out of one end of the second through groove (210), and a holding part (600) is arranged at one end of the first connecting rod (400), the other end of the first connecting rod (400) is detachably connected with one end of the plug (500), a through hole (140) matched with the other end of the plug (500) is formed below the first through groove (131), and a plastic layer (510) is arranged on the outer surface of the plug (500).

2. The removable stop valve for plastic pipes of claim 1, wherein: the plug (500) comprises a second connecting rod (520) and a water blocking part (530), the second connecting rod (520) is connected with the water blocking part (530), an installation groove (521) is formed in the second connecting rod (520), and the first connecting rod (400) is connected with the second connecting rod (520) through the installation groove (521).

3. The removable stop valve for plastic pipes of claim 2, wherein: the water plugging part (530) is in a circular truncated cone shape, and the second connecting rod (520) is connected with one large-area end of the water plugging part (530).

4. The removable stop valve for plastic pipes of claim 2, wherein: the inner side wall of the mounting groove (521) is provided with internal threads, and the outer wall surface of the first connecting rod (400) is provided with external threads matched with the internal threads.

5. The removable stop valve for plastic pipes of claim 2, wherein: internal threads are arranged at two ends of the inner side wall of the mounting groove (521), and external threads matched with the internal threads are arranged on the outer wall surface of the first connecting rod (400).

6. The removable stop valve for plastic pipes of claim 1, wherein: and a rubber sealing ring (800) is arranged at the joint of the valve seat (100) and the valve body (200).

7. The removable stop valve for plastic pipes of claim 1, wherein: and a corresponding rubber-plastic sealing ring (700) is arranged at the matching position of the valve body (200) and the first connecting rod (400).

8. The removable stop valve for plastic pipes of claim 1, wherein: the plug (500) is an ABS all-plastic plug.

9. The removable stop valve for plastic pipes of claim 1, wherein: and a fastening nut (610) is arranged at one end of the first connecting rod (400) connected with the holding part (600).

10. The removable stop valve for plastic pipes of claim 9, wherein: a gasket (620) is arranged between the fastening nut (610) and the holding part (600).