CN214662178U

CN214662178U - Plug valve

Info

Publication number: CN214662178U
Application number: CN202120507140.3U
Authority: CN
Inventors: 郑楚文
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-03-10
Filing date: 2021-03-10
Publication date: 2021-11-09
Anticipated expiration: 2031-03-10

Abstract

The utility model discloses a plug valve, which comprises a plug valve component 1, the plug valve component comprises an outer fixing ring, a supporting shaft and an outer water outlet, the outer fixing ring side wall penetrates through the outer water outlet, a sealing component is arranged inside the outer water outlet, the outer fixing ring bottom end surface is fixedly connected with the supporting shaft through a coaxial line, the supporting shaft bottom end surface is connected with a moving component in a sliding way, the moving component comprises a buffer block, a limiting mechanism, a limiting rod, a placing groove, an outer rod, a magnet a, a magnet b, a base and a pulley, the supporting shaft bottom end surface is fixedly connected with the buffer block through a coaxial line, the buffer block side wall is symmetrically fixedly connected with the limiting mechanism, the limiting mechanism is connected with the limiting rod through a sliding way, the limiting rod is vertically fixedly connected inside the placing groove, the placing groove vertically penetrates through the outer rod side wall, the outer rod is internally and slidably connected with the buffer block through a coaxial line, the outer rod inner wall bottom end surface is fixedly connected with the magnet b, the magnet b is arranged in a repellent parallel with the magnet a, the magnet a is fixedly connected with the bottom end surface of the buffer block, the upper end face of the buffer block is fixedly connected with one end of a spring, the other end of the spring is fixedly connected with the inner wall of the outer rod, the bottom end face of the outer rod is fixedly connected with the base, the bottom end face of the base penetrates through a plurality of square grooves, and the square grooves are connected with pulleys in a rotating mode through pins.

Description

Plug valve

Technical Field

The utility model relates to a plug valve technical field specifically is a plug valve.

Background

The plug valve is a rotary valve in a closing part or a plunger shape, and the opening or the closing of the valve is realized by rotating 90 degrees to enable a passage port on the plug to be communicated with or separated from a passage port on the valve body. It is a valve using a plug body with a through hole as a starting and closing piece. The plug body rotates along with the valve rod to realize opening and closing actions.

The plug body of the plug valve is a cone, and the plug body is matched with the conical hole surface of the valve body to form a sealing pair. The plug valve is the earliest valve used, has simple structure, quick opening and closing and small fluid resistance, but most of rotary valves cut off and open water flow by staggering and overlapping an inner blowing water port and an outer blowing water port, have poor sealing property, and easily generate bumping in the transportation process to cause internal sealing property or performance deterioration if a valve body is large during transportation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a plug valve to solve the problem that proposes in the above-mentioned background art, for realizing above-mentioned purpose, the utility model provides a following technical scheme: a plug valve comprises a plug valve component 1, wherein the plug valve component comprises an outer fixing ring, a supporting shaft and an outer water outlet, the outer fixing ring side wall penetrates through the outer water outlet, a sealing component is arranged inside the outer water outlet, the outer fixing ring bottom end face is fixedly connected with the supporting shaft in a coaxial line mode, the supporting shaft bottom end face is in sliding connection with a moving component, the moving component comprises a buffer block, a limiting mechanism, a limiting rod, a placing groove, an outer rod, a magnet a, a magnet b, a base and a pulley, the supporting shaft bottom end face is fixedly connected with the buffer block in a coaxial line mode, the buffer block side walls are symmetrically fixedly connected with the limiting mechanism in a symmetrical mode, the limiting mechanism is connected with the limiting rod in a sliding mode, the limiting rod is vertically and fixedly connected inside the placing groove, the placing groove vertically penetrates through the outer rod side wall, the outer rod is connected with the buffer block in a coaxial line mode, the outer rod inner wall bottom end face is fixedly connected with the magnet b, magnet b and magnet a repel each other parallel placement, magnet a rigid coupling is at buffer block bottom end face, buffer block up end rigid coupling spring one end, and the other end rigid coupling of spring is at the outer pole inner wall, outer pole bottom end face rigid coupling base, a plurality of square groove is run through to base bottom end face, and the inside pin rotation that adopts of square groove connects the pulley.

Preferably, stop gear includes stopper, spout and ball, buffer block lateral wall symmetry rigid coupling stopper, stopper up end center runs through the gag lever post perpendicularly and forms the through-hole, and the parallel axis of through-hole inner wall runs through a plurality of spout, the spout all follows the axis and forms annular symmetry, the inside sliding connection ball of spout, the ball contact is connected on the gag lever post lateral wall.

Preferably, the upper end and the lower end of the buffer block are fixedly connected with anti-collision sheets made of rubber materials.

Preferably, the outer rod is of a bamboo-joint-shaped hollow cylinder structure with openings at two ends, the diameter of the upper end of the outer rod is smaller than that of the lower end of the outer rod, the side wall of the upper end of the outer rod penetrates through a bolt along a vertical axis, and the bolt extends out of the end and is connected with a nut.

Preferably, seal assembly includes interior rotation axis, interior delivery port, interior intake antrum, seal opening, interior basin, sealed piece and seal groove of going out, go out the inside rotation connection of mouth of a river rotation interior rotation axis of rotation, interior delivery port is run through to interior rotation axis lateral wall symmetry, and delivery port inner wall extends and runs through interior intake antrum in the left side, interior intake antrum exit end extends and runs through interior basin, interior basin and interior intake antrum hookup location rigid coupling seal opening, the inside sliding connection seal block of seal opening, sealed piece upper end rigid coupling spring one end, and in the round hole that the basin correspondence runs through of including the rigid coupling of the spring other end, interior basin inner wall extends and runs through to forming interior basin.

Preferably, the inner water inlet groove is an arc-shaped groove which is inclined downwards and inwards concave, the inner water outlet groove is an arc-shaped groove which is inclined upwards and inwards concave, the sealing opening is of a bamboo-joint-shaped cylindrical groove structure, and the diameter of the upper end of the sealing opening is larger than that of the lower end of the sealing opening.

Preferably, a sealing washer is arranged inside the sealing opening, the sealing block is of a round table structure, and the diameter of the bottom end of the sealing block is sequentially and uniformly increased.

Compared with the prior art, the beneficial effects of the utility model are that: when the utility model is used, when the valve needs to be replaced, the bolt at the side of the outer rod is loosened, the outer rod and the support shaft are not in a fixed state, the base is pushed to move, when the outer rod collides or the bottom surface is not level, the support shaft is always suspended in the outer rod and is always kept in a horizontal state by the limitation of the limiting block and the limiting rod, so that the plug valve component can float up and down in the outer rod when moving and can float up and down along with the base when colliding, but can not generate collision and contact all the time, the buffering can be well realized, and the common plug valve component can control the water flow by means of the staggering and involution of the outer water outlet and the inner water outlet, the sealing performance is poor, when the water flow impacts the sealing block by the sealing port from the inlet of the inner water inlet groove to move up, the water flows normally, but when the water flow needs to be closed, the rotating shaft is twisted, after making go out the mouth of a river and interior delivery port stagger, rivers stop, and the inlet channel is gone into in the water inflow of the water inflow in little partial reflux or spill, and the sealing block is not being strikeed this moment, receives the influence of gravity gliding, and the card realizes sealedly in the sealing opening, avoids the phenomenon of leaking.

Drawings

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

fig. 2 is a schematic view of the moving assembly of the present invention;

FIG. 3 is a schematic view of the middle position-limiting mechanism of the present invention;

fig. 4 is a schematic connection diagram of the sealing assembly of the present invention;

fig. 5 is a schematic diagram of the seal assembly according to the present invention.

In the figure: the device comprises a faucet valve assembly 1, a moving assembly 2, a sealing assembly 3, an outer fixing ring 11, a supporting shaft 12, an outer water outlet 13, a buffer block 21, a limiting mechanism 22, a limiting rod 23, a placement groove 24, an outer rod 25, a magnet 26 a, a magnet 27, a magnet b, a base 28, a pulley 29, a limiting block 220, a sliding groove 221, a ball 222, an inner rotating shaft 31, an inner water outlet 32, an inner water inlet groove 33, a sealing port 34, an inner water outlet groove 35, a sealing block 36 and a sealing groove 37.

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. 1-5, the present invention provides a technical solution: a plug valve comprises a plug valve component 1, the plug valve component 1 comprises an outer fixing ring 11, a supporting shaft 12 and an outer water outlet 13, the outer water outlet 13 penetrates through the side wall of the outer fixing ring 11, a sealing component 3 is arranged inside the outer water outlet 13, the bottom end face of the outer fixing ring 11 is fixedly connected with the supporting shaft 12 in a coaxial manner, the bottom end face of the supporting shaft 12 is connected with a moving component 2 in a sliding manner, the moving component 2 comprises a buffer block 21, a limiting mechanism 22, a limiting rod 23, a placing groove 24, an outer rod 25, a magnet a26, a magnet b27, a base 28 and a pulley 29, the bottom end face of the supporting shaft 12 is fixedly connected with the buffer block 21 in a coaxial manner, the side wall of the buffer block 21 is symmetrically and fixedly connected with the limiting mechanism 22, the inside of the limiting mechanism 22 is connected with the limiting rod 23 in a sliding manner, the limiting rod 23 is fixedly connected inside the placing groove 24, the placing groove 24 vertically penetrates through the side wall of the outer rod 25, the inside of the outer rod 25 is connected with the buffer block 21 in a coaxial manner, the bottom end face of the inner wall of the outer rod 25 is fixedly connected with a magnet b27, magnet b27 and magnet a26 are arranged in parallel in an exclusive manner, magnet a26 is fixedly connected to the bottom end face of buffer block 21, the upper end face of buffer block 21 is fixedly connected with one end of a spring, the other end of the spring is fixedly connected to the inner wall of outer rod 25, the bottom end face of outer rod 25 is fixedly connected with base 28, the bottom end face of base 28 penetrates through a plurality of square grooves, and the inside of each square groove is connected with pulley 29 in a pin rotation manner.

The limiting mechanism 22 comprises a limiting block 220, a sliding groove 221 and a ball 222, the side wall of the buffer block 21 is symmetrically and fixedly connected with the limiting block 220, the center of the upper end face of the limiting block 220 vertically penetrates through the limiting rod 23 to form a through hole, the parallel axes of the inner wall of the through hole penetrate through the sliding grooves 221, the sliding grooves 221 are circularly symmetric along the axes, the sliding grooves 221 are connected with the ball 222 in a sliding mode inside the sliding grooves 221, and the ball 222 is in contact connection with the side wall of the limiting rod 23.

The upper and lower ends of the buffer block 21 are fixedly connected with anti-collision sheets made of rubber materials.

The outer rod 25 is of a bamboo-joint-shaped hollow cylinder structure with openings at two ends, the diameter of the upper end is smaller than that of the lower end, the side wall of the upper end penetrates through the bolt along the vertical axis, and the bolt extends out of the end and is connected with the nut.

The sealing component 3 comprises an inner rotating shaft 31, an inner water outlet 32, an inner water inlet groove 33, a sealing port 34, an inner water outlet groove 35, a sealing block 36 and a sealing groove 37, the inner rotating shaft 31 is rotatably connected inside the outer water outlet 13, the side wall of the inner rotating shaft 31 symmetrically penetrates through the inner water outlet 32, the inner wall of the inner water outlet 32 on the left side extends through the inner water inlet groove 33, the outlet end of the inner water inlet groove 33 extends through the inner water outlet groove 35, the connecting position of the inner water outlet groove 35 and the inner water inlet groove 33 is fixedly connected with the sealing port 34, the sealing block 36 is slidably connected inside the sealing port 34, the upper end of the sealing block 36 is fixedly connected with one end of a spring, the other end of the spring is fixedly connected in a circular hole through which the inner water outlet groove 35 correspondingly penetrates, and the inner wall of the inner water outlet groove 35 extends to form the inner water outlet groove 35.

The inner water inlet groove 33 is an arc-shaped groove which is inclined downwards and inwards concave, the inner water outlet groove 35 is an arc-shaped groove which is inclined upwards and inwards concave, the sealing port 34 is of a bamboo-shaped cylindrical groove structure, and the diameter of the upper end of the sealing port is larger than that of the lower end of the sealing port.

A sealing washer is arranged in the sealing opening 34, the sealing block 36 is of a circular truncated cone structure, and the diameter of the bottom end of the sealing block is sequentially and uniformly increased upwards.

The working principle is as follows: the utility model discloses when needs change the valve when using, loosen the bolt of outer pole 25 side, make outer pole 25 and back shaft 15 not in the stationary state after, promote base 28 and remove, when meetting to collide with or the bottom surface is uneven, because of magnet a26 and magnet b27 are in the state of repelling, so back shaft 15 suspends inside outer pole 25 all the time, and limited by spacing piece 220 and gag lever post 23, keep the horizontality all the time, so cock valve subassembly 1 is when removing, can float from top to bottom in outer pole 25 inside, meet to collide with, can float from top to bottom but not produce collision and contact all the time along with base 28, can cushion well, and general cock valve subassembly 1 all relies on the mouth of going out 13 and interior delivery port 32 stagger and involution realization control water flow, the leakproofness is poor, when water flows and moves up by seal 34 impact seal block 36 by interior intake slot 33 admission port, make water normally circulate, however, when the water flow needs to be closed, the inner rotating shaft 31 is twisted to stagger the outer water outlet 13 and the inner water outlet 32, the water flow stops, a small part of backflow or leaked water enters the inner water inlet groove 33, at the moment, the sealing block 36 does not slip down under the influence of gravity under the impact, and is clamped in the sealing port 34 to realize sealing, so that the water leakage phenomenon is avoided.

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. A plug valve comprising a plug valve assembly (1), characterized in that: the faucet valve assembly (1) comprises an outer fixing ring (11), a supporting shaft (12) and an outer water outlet (13), wherein the outer fixing ring (11) is provided with the outer water outlet (13) in a penetrating manner on the side wall, a sealing assembly (3) is arranged inside the outer water outlet (13), the outer fixing ring (11) is provided with a supporting shaft (12) fixedly connected with the bottom end face of the same coaxial line, the supporting shaft (12) is slidably connected with a moving assembly (2), the moving assembly (2) comprises a buffer block (21), a limiting mechanism (22), a limiting rod (23), a placing groove (24), an outer rod (25), a magnet a (26), a magnet b (27), a base (28) and a pulley (29), the supporting shaft (12) is fixedly connected with the buffer block (21) on the bottom end face of the same coaxial line, the buffer block (21) is symmetrically fixedly connected with the limiting mechanism (22) on the side wall, and the limiting mechanism (22) is slidably connected with the limiting rod (23) inside, the vertical rigid coupling of gag lever post (23) is inside standing groove (24), standing groove (24) is vertical to run through outer pole (25) lateral wall, the inside coaxial line sliding connection buffer block (21) of outer pole (25), outer pole (25) inner wall bottom face rigid coupling magnet b (27), magnet b (27) repel parallel placement with magnet a (26), magnet a (26) rigid coupling is at buffer block (21) bottom face, buffer block (21) up end rigid coupling spring one end, and spring other end rigid coupling is at outer pole (25) inner wall, outer pole (25) bottom face rigid coupling base (28), base (28) bottom face runs through a plurality of square groove, and the inside pin rotation that adopts of square groove connects pulley (29).

2. A plug valve according to claim 1, wherein: stop gear (22) include stopper (220), spout (221) and ball (222), buffer block (21) lateral wall symmetry rigid coupling stopper (220), stopper (220) up end center runs through gag lever post (23) perpendicularly and forms the through-hole, and the parallel axis of through-hole inner wall runs through a plurality of spout (221), spout (221) are all along axis annular symmetry, spout (221) inside sliding connection ball (222), ball (222) contact connection is on gag lever post (23) lateral wall.

3. A plug valve according to claim 2, wherein: the upper end and the lower end of the buffer block (21) are fixedly connected with anti-collision sheets made of rubber materials.

4. A plug valve according to claim 1, wherein: the outer rod (25) is of a bamboo-joint-shaped hollow cylinder structure with openings at two ends, the diameter of the upper end is smaller than that of the lower end, the side wall of the upper end penetrates through the bolt along the vertical axis, and the bolt extends out to be connected with a nut.

5. A plug valve according to claim 1, wherein: the sealing component (3) comprises an inner rotating shaft (31), an inner water outlet (32), an inner water inlet groove (33), a sealing port (34), an inner water outlet groove (35), a sealing block (36) and a sealing groove (37), the inner part of the outer water outlet (13) is rotatably connected with an inner rotating shaft (31), the side wall of the inner rotating shaft (31) symmetrically penetrates through the inner water outlet (32), the inner wall of the left inner water outlet (32) extends through the inner water inlet groove (33), the outlet end of the inner water inlet groove (33) extends through the inner water outlet groove (35), the connecting position of the inner water outlet groove (35) and the inner water inlet groove (33) is fixedly connected with a sealing port (34), the inside of the sealing port (34) is connected with a sealing block (36) in a sliding way, the upper end of the sealing block (36) is fixedly connected with one end of a spring, and the other end of the spring is fixedly connected in a circular hole correspondingly penetrated through the inner water outlet groove (35), and the inner wall of the inner water outlet groove (35) extends to form the inner water outlet groove (35).

6. A plug valve according to claim 5, wherein: the inner water inlet groove (33) is an arc-shaped groove which is inclined downwards and inwards concave, the inner water outlet groove (35) is an arc-shaped groove which is inclined upwards and inwards concave, the sealing port (34) is of a bamboo-shaped cylindrical groove structure, and the upper end of the sealing port is larger than the diameter of the lower end of the sealing port up to now.

7. A plug valve according to claim 5, wherein: sealing gaskets are arranged inside the sealing openings (34), the sealing blocks (36) are of a circular truncated cone structure, and the diameters of the bottom ends of the sealing blocks are sequentially and uniformly increased.