CN218119072U

CN218119072U - High-pressure explosion-proof hot-melting pipe fitting for plastic pipeline system

Info

Publication number: CN218119072U
Application number: CN202222152849.3U
Authority: CN
Inventors: 陈厚忠
Original assignee: Wuhan Kingbull Economic Development Co Ltd
Current assignee: Wuhan Kingbull Economic Development Co Ltd
Priority date: 2022-08-15
Filing date: 2022-08-15
Publication date: 2022-12-23
Anticipated expiration: 2032-08-15

Abstract

The utility model discloses an explosion-proof hot melt pipe fitting of high pressure for plastic conduit system, including the hot melt main part and the explosion-proof buffering body, hot melt main part surface is provided with the explosion-proof buffering body, the explosion-proof buffering body is including the inserts body, casing, governing valve, cushion valve and coupling nut, the external surface of inserts is provided with coupling nut, the inside swing joint of coupling nut has the casing, the inside movable mounting of casing has the cushion valve, cushion valve bottom surface swing joint has the governing valve, the hot melt bell and spigot has been seted up at hot melt main part both ends, two dovetails have been seted up to the external surface of inserts, the strip recess has been seted up to the external surface of inserts. Set up the bellmouth that can be used to plastics hot melt socket joint through hot melt main part both ends and connect, can directly be connected with water supply plastics tubular product hot melt socket joint, form an organic whole, use this product can directly with plastics tubular product butt fusion, and the cost is with low costs, is applicable to and promotes in batches.

Description

High-pressure explosion-proof hot-melting pipe fitting for plastic pipeline system

Technical Field

The utility model belongs to the technical field of the hot melt pipe fitting, concretely relates to explosion-proof hot melt pipe fitting of high pressure for plastic conduit system.

Background

The existing plastic water supply pipeline system for home decoration has no water hammer and no buffering fittings for pressure fluctuation, and the pipeline is directly connected with various straight-through pipelines, elbow pipelines and tee pipelines from the back of a water meter to the home or is connected with the pipelines through a booster pump. In the use process of the water supply pipeline, due to the problem of supercharging equipment, instantaneous high pressure which is several times higher than normal pressure is formed in the plastic pipeline system in the process of repeatedly opening and closing water supply, and the phenomenon of pipe explosion can be caused to the turning and weak positions of the pipeline system.

At present, in order to solve the problem, the adopted all-metal water hammer eliminator cannot be directly welded with a plastic pipe when the product is used, and the manufacturing cost is high, so that the all-metal water hammer eliminator is not suitable for batch popularization.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an explosion-proof hot melt pipe fitting of high pressure for plastic conduit system to solve the problem that appears in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an explosion-proof hot melt pipe fitting of high pressure for plastic conduit system, includes the hot melt main part and the explosion-proof buffering body, hot melt main part surface is provided with the explosion-proof buffering body, the explosion-proof buffering body is including the inserts body, casing, governing valve, buffer valve and coupling nut, the outer surface of inserts is provided with coupling nut, the inside swing joint of coupling nut has the casing, the inside movable mounting of casing has the buffer valve, buffer valve bottom surface swing joint has the governing valve.

Specifically, the hot melting main body and the explosion-proof buffer body form a plane T-shaped structure, two ends of the hot melting main body are provided with bellmouths which can be used for plastic hot melting socket connection and can be directly connected with a water supply plastic pipe hot melting socket to form a whole, when the pipe fitting is used, no water inlet and outlet direction distinction is needed, the plastic pipe can be directly connected with the bellmouth of the hot melting main body in a hot melting way, and the plastic pipe can be completely connected with the bellmouth of the hot melting main body in a hot melting way, and when the water pressure of water supply is normal, the buffer valve forms static balance with the water pressure under the action of the spring; when the water supply pressure fluctuates instantly, water pushes the buffer sheet of the buffer valve, and pressure is released through the increase of the volume, so that the pressure fluctuation in the subsequent pipeline is greatly reduced, and the high-pressure pipe burst at the weak part is avoided.

Preferably, the two ends of the hot-melting main body are provided with hot-melting sockets, the outer surface of the insert body is provided with two dovetail grooves, and the outer surface of the insert body is provided with a strip-shaped groove.

Specifically, the insert body is coated by plastic through an injection molding process and is integrated with the hot melt main body, the dovetail groove and the strip-shaped groove effectively prevent the insert body from rotating and falling off from the hot melt main body, a boss and a sealing groove are arranged at the bottom of the insert body, the boss is used for limiting, the sealing groove is matched with the shell, and when the shell is connected with the insert body, the joint can be sealed relatively.

Preferably, the lower surface of the shell is provided with a threaded hole, and the outer surface of one side of the shell is provided with a water outlet.

Specifically, make governing valve movable mounting inside the casing through the screw hole, the outlet can be when water pressure lasts the increase, and the pressure release is carried out to the clear water of discharging.

Preferably, the governing valve is including valve plug, screw thread valve rod and adjust knob, the inside movable mounting of screw hole has screw thread valve rod, terminal surface fixed mounting has adjust knob under the screw thread valve rod, screw thread valve rod up end swing joint has the valve plug.

It is specific, can drive the screw thread valve rod rotation through adjust knob, the screw thread valve rod rotation can remove, and the screw thread valve rod removes and can drive the valve plug and remove, and the valve plug outer lane is equipped with rectangular seal circle, and with the cooperation of casing internal seal, screw thread valve rod head is the T type, with the cooperation of valve plug boss.

Preferably, the cushion valve comprises a spring and a buffer sheet, one end of the spring is fixedly connected with the valve plug, and the other end of the spring is fixedly connected with the buffer sheet.

Specifically, the buffer piece outer lane is equipped with the rectangle sealing washer, with the sealed cooperation of shells inner wall, the spring setting is between buffer piece and valve plug.

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

1. the hot melting main body and the explosion-proof buffer body form a plane T-shaped structure, two ends of the hot melting main body are provided with bellmouths which can be used for plastic hot melting socket connection, and can be directly connected with a water supply plastic pipe hot melting socket to form a whole; when the water pressure of supplying water fluctuates in the twinkling of an eye, water can promote the buffer chip of cushion valve, and through volumetric increase relief pressure, makes subsequent pipeline internal pressure fluctuation reduce by a wide margin, has avoided the high-pressure booster of weak department, and when water pressure of supplying water is too high in the twinkling of an eye, water pressure promotes buffer chip compression spring, and until the buffer chip surpasses the outlet, the pipeline internal water overflows through the outlet, reduces pipe-line system internal pressure, protection pipe-line system.

2. The rotary adjusting knob can drive the threaded valve rod to rotate, the threaded valve rod rotates to move, the threaded valve rod moves to drive the valve plug to move, and the valve plug moves to drive the buffer valve to move, so that the maximum pressure value of pressure relief and drainage of the buffer valve is adjusted, and convenience is realized.

3. The hot melt main part and the explosion-proof buffering body are formed by mechanical assembly after injection molding, the process flow is simple, the processing cost is low, automatic production can be formed, the insert body, the shell, the buffering sheet, the valve plug and the connecting nut in the explosion-proof buffering body can be formed by directly adopting metal turning scraps, the finished product rate is high, and the efficiency is high. The spring, the sealing ring and the like are standard parts and can be purchased in batches, so that the manufacturing cost is low, and the device is suitable for large-scale popularization

Drawings

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

fig. 2 is a cross-sectional view of the present invention.

In the figure: 1. hot melting the main body; 101. a hot melt socket; 2. an explosion-proof buffer body; 3. an insert body; 301. a dovetail groove; 302. a strip-shaped groove; 4. a housing; 401. a threaded hole; 402. a water outlet; 5. adjusting a valve; 501. a valve plug; 502. a threaded valve stem; 503. adjusting a knob; 6. a spring; 7. a buffer sheet; 8. and connecting a nut.

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. 1-2, the present invention provides a technical solution: the utility model provides an explosion-proof hot melt pipe fitting of high pressure for plastic conduit system, including hot melt main part 1 and explosion-proof buffering body 2, 1 surface of hot melt main part is provided with explosion-proof buffering body 2, explosion-proof buffering body 2 is including the inserts body 3, casing 4, governing valve 5, cushion valve and

coupling nut

8, 3 surfaces of the inserts body are provided with coupling nut 8, the inside swing joint of coupling nut 8 has casing 4, the inside movable mounting of casing 4 has the cushion valve, cushion valve bottom surface swing joint has governing valve 5.

In the embodiment, a plane T-shaped structure is formed by a hot melting main body 1 and an explosion-proof buffer body 2, two ends of the hot melting main body 1 are provided with bellmouths which can be used for plastic hot melting socket connection, and can be directly connected with a water supply plastic pipe hot melting socket to form a whole; when the water supply pressure fluctuates instantly, water can push the buffer sheet 7 of the buffer valve, and the pressure is released through the increase of the volume, so that the pressure fluctuation in the subsequent pipeline is greatly reduced, and the high-pressure pipe explosion at the weak part is avoided.

Wherein, in order to realize the purpose of adjusting pressure release intensity, this device adopts following technical scheme to realize: hot melt socket 101 has been seted up at 1 both ends of hot melt main part, two dovetail 301 have been seted up on the 3 external surfaces of the inserts body, strip recess 302 has been seted up on the 3 external surfaces of the inserts body, threaded hole 401 has been seted up to 4 lower surfaces of casing, 4 one side external surfaces of casing are provided with outlet 402, governing valve 5 is including valve plug 501, threaded valve rod 502 and adjust knob 503, the inside movable mounting of screw hole 401 has threaded valve rod 502, terminal surface fixed mounting has adjust knob 503 under threaded valve rod 502, threaded valve rod 502 up end swing joint has valve plug 501.

The inlay piece body 3 is coated by plastics through injection molding process, form an organic whole with hot melt main part 1, dovetail 301 and strip recess 302 prevent effectively that inlay piece body 3 from rotating and droing from hot melt main part 1, inlay piece body 3 bottom is equipped with boss and seal groove, the boss is used for spacingly, the seal groove is mutually supported with casing 4, can be when casing 4 is connected with inlay piece body 3, get up seam crossing relatively sealed, screw hole 401 makes governing valve 5 movable mounting inside casing 4, outlet 402 can be when water pressure lasts the increase, the clear water of discharging carries out the pressure release, adjust knob 503 can drive screw rod 502 rotatory, screw rod 502 is rotatory to be removed, screw rod 502 removes and can drive valve plug 501 to remove, valve plug 501 outer lane is equipped with rectangular seal circle, with casing 4 internal seal cooperation, screw rod 502 head is the T type, cooperate with valve plug 501 boss.

Wherein, in order to realize the purpose of sealing, this device adopts following technical scheme to realize: the cushion valve is including spring 6, buffer plate 7, and spring 6 one end and valve plug 501 fixed connection, the spring 6 other end and buffer plate 7 fixed connection.

Be equipped with the rectangle sealing washer through buffer plate 7 outer lane, with the sealed cooperation of 4 inner walls of casing, spring 6 sets up between buffer plate 7 and valve plug 501.

The utility model discloses a theory of operation and use flow: when the device is used, the device needs to be placed at a proper position, and when the water pressure of the water supply is normal, the buffer valve and the water pressure form static balance under the action of the spring 6; when the water supply pressure fluctuates instantly, water pushes the buffer sheet 7 of the buffer valve, and the pressure is released through the increase of the volume, so that the pressure fluctuation in the subsequent pipeline is greatly reduced, and the high-pressure pipe burst at the weak part is avoided; when feedwater water pressure is too high in the twinkling of an eye, water pressure promotes 7 compression spring 6 of buffer plate, until buffer plate 7 exceeds outlet 402, the water overflows through outlet 402 in the pipeline, reduce the pipe-line system internal pressure, protect the pipe-line system, it is rotatory to drive threaded valve rod 502 through rotatory adjust knob 503, the rotation of threaded valve rod 502 can remove, threaded valve rod 502 removes and can drive valve plug 501 and remove, valve plug 501 removes and can drive the cushion valve and remove, thereby the maximum pressure value of adjustment cushion valve pressure release drainage, it is convenient.

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 an explosion-proof hot melt pipe fitting of high pressure for plastic conduit system, includes hot melt main part (1) and explosion-proof buffering body (2), its characterized in that: the hot melt main part (1) surface is provided with the explosion-proof buffering body (2), the explosion-proof buffering body (2) is including inlay piece body (3), casing (4), governing valve (5), cushion valve and coupling nut (8), inlay piece body (3) surface is provided with coupling nut (8), coupling nut (8) inside swing joint has casing (4), casing (4) inside movable mounting has the cushion valve, cushion valve bottom surface swing joint has governing valve (5).

2. A high pressure explosion proof hot melt pipe fitting for plastic pipe system as claimed in claim 1, wherein: the hot melt socket joint (101) have been seted up at hot melt main part (1) both ends, inlay the piece body (3) surface and seted up two dovetail (301), inlay the piece body (3) surface and seted up strip recess (302).

3. A high pressure explosion proof hot melt pipe fitting for plastic pipe system as claimed in claim 1, wherein: the lower surface of the shell (4) is provided with a threaded hole (401), and the outer surface of one side of the shell (4) is provided with a water outlet (402).

4. A high pressure, explosion proof, hot melt pipe fitting for plastic piping systems as claimed in claim 3, wherein: governing valve (5) are including valve plug (501), threaded valve rod (502) and adjust knob (503), the inside movable mounting of screw hole (401) has threaded valve rod (502), terminal surface fixed mounting has adjust knob (503) under threaded valve rod (502), threaded valve rod (502) up end swing joint has valve plug (501).

5. A high pressure, explosion proof, hot melt pipe fitting for plastic piping system as claimed in claim 4, wherein: the cushion valve is including spring (6), buffer plate (7), spring (6) one end and valve plug (501) fixed connection, spring (6) other end and buffer plate (7) fixed connection.