CN210978563U

CN210978563U - Novel special valve of high pressure acetylene

Info

Publication number: CN210978563U
Application number: CN201921789547.9U
Authority: CN
Inventors: 王粉祥
Original assignee: Changzhou Jintan Dissolved Acetylene Co ltd
Current assignee: Changzhou Jintan Dissolved Acetylene Co ltd
Priority date: 2019-10-23
Filing date: 2019-10-23
Publication date: 2020-07-10
Anticipated expiration: 2029-10-23

Abstract

The utility model relates to the technical field of valves, and a novel special valve of high-pressure acetylene is disclosed, the water-cooled check valve comprises a valve body, the top fixed mounting of valve body has seal gasket, the top fixed mounting of valve body has the annular dog that is located seal gasket below, threaded rod threaded connection has the valve barrel at the top of valve body. This novel special valve of high pressure acetylene, through setting up the push rod, when promoting the push rod both ends, the displacement about the valve rod takes place, make the valve open and close, the valve rod of avoiding traditional valve is around the axial motion repeatedly, the frictional quantity has been reduced, simultaneously through setting up compression spring, compression spring's elasticity is used in sealed piece all the time, it is sealed with annular dog and valve rod department formation, in long-term use when the valve, compression spring's elasticity extrusion sealed piece can compensate the clearance that produces because of wearing and tearing between valve rod and the sealed piece, make its department seal all the time, reach sealed good and durable effect.

Description

Novel special valve of high pressure acetylene

Technical Field

The utility model relates to the technical field of valves, specifically a novel special valve of high pressure acetylene.

Background

The valve is a device for controlling the direction, pressure and flow of fluid in a fluid system, is a device which can control the flow of a medium in a pipe or equipment by enabling or stopping the medium flow, has the functions of diversion, cut-off, throttling, non-return, flow splitting, overflow pressure relief and the like, and the sealing performance of the valve refers to the capability of preventing the medium leakage at each sealing part of the valve and is one of the most important technical performance indexes of the valve.

The sealed design of packing box is adopted mostly to current acetylene valve's valve rod department on the existing market, and the valve rod need reciprocate in the use, and the wearing and tearing appear easily in the packing under the condition of accumulation used many times, and the contact surface produces the clearance, leads to the leakproofness to reduce, so provides a novel special valve of high pressure acetylene and solves the above-mentioned problem of proposing.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a novel high pressure acetylene special valve possesses sealed good and advantage such as durable, has solved the sealed design of packing box that adopts mostly of valve rod department of current acetylene valve, and the valve rod needs reciprocal pivoting motion in the use, and the packing appears wearing and tearing easily under the accumulation repetitious usage's the condition, and the contact surface produces the clearance, leads to the problem that the leakproofness reduces.

(II) technical scheme

For realize above-mentioned sealed good and durable purpose, the utility model provides a following technical scheme: a novel high-pressure acetylene special valve comprises a valve body, wherein a sealing gasket is fixedly mounted at the top of the valve body, an annular stop block positioned below the sealing gasket is fixedly mounted at the top of the valve body, the top of the valve body is connected with a valve sleeve through a threaded rod in a threaded manner, an annular clamping groove is formed in the outer side of the valve sleeve, the inner part of the annular clamping groove is movably connected with a valve cover of which one end extends to the upper part of the valve sleeve, a threaded groove is formed in the bottom of the valve cover, the inner part of the threaded groove is connected with a valve rod of which one end sequentially penetrates through the valve sleeve and the annular stop block and extends to the inner part of the valve body, two sliding grooves which are positioned at the inner side of the valve sleeve are formed in the outer side of the valve rod, a valve cla, the top fixed mounting of sealed piece has the top that is located the compression spring and the compression spring in the valve rod outside and the inner chamber roof fixed connection of valve barrel, the mounting hole has been seted up in the outside of valve gap, the spacing hole with the mounting hole intercommunication is seted up at the top of valve gap, the inside swing joint of mounting hole has both ends to run through the push rod of valve gap, the spacing groove has been seted up in the outside of push rod, the inside swing joint in spacing hole has one end to extend to the valve gap top and the other end extends to the spacer pin of spacing inslot portion.

Preferably, the sealing gasket is silica gel and is in a ring shape.

Preferably, the number of the threaded rods is not less than four, and the threaded rods are equidistantly distributed on the outer side of the valve sleeve.

Preferably, the annular valve rod is made of stainless steel, and threads matched with the thread grooves are arranged on the outer side of the valve rod.

Preferably, the sealing block is made of copper, and rubber is wrapped outside the sealing block.

Preferably, the top of the limit pin is fixedly connected with a pull ring, and the limit pin is T-shaped.

(III) advantageous effects

Compared with the prior art, the utility model provides a novel special valve of high-pressure acetylene possesses following beneficial effect:

1. this novel special valve of high pressure acetylene, through setting up the push rod, when promoting the push rod both ends, make the push rod take place to rotate, it is rotatory to drive the valve gap, and then make and take place displacement from top to bottom by spout restriction pivoted valve rod, make the valve open and close, avoid the valve rod of traditional valve to relapse around the axial motion, the friction quantity has been reduced, simultaneously through setting up compression spring, compression spring is in the state of compressed all the time, when the external world is opened or is closed the valve, compression spring's elasticity is used on sealed piece all the time, form sealedly with annular dog and valve rod department, in long-term use when the valve, valve rod reciprocating motion makes sealed piece and valve rod when taking place wearing and tearing, compression spring's elasticity extrusion sealed piece can compensate the clearance that produces because of wearing and tearing between valve rod and the sealed piece, make its department sealed all the time.

2. This novel special valve of high pressure acetylene through setting up the spacer pin, when the pull ring on the pulling spacer pin takes out the spacer pin, can remove the push rod in the inside position of mounting hole, when the most terminal spacing groove of push rod is pegged graft with the spacer pin, because lever principle, the arm of force is the longest this moment, can open and close the valve with littleer power at the valve rod other end, has realized the effect of sparingly doing all can.

Drawings

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

fig. 2 is an enlarged view of a portion a in fig. 1 according to the present invention.

In the figure: the valve comprises a valve body 1, a valve sleeve 2, a valve cover 3, a sealing gasket 4, a threaded rod 5, an annular stop block 6, a valve rod 7, a valve clack 8, a sealing block 9, a sliding groove 10, a compression spring 11, an annular clamping groove 12, a thread groove 13, a mounting hole 14, a limiting hole 15, a push rod 16, a limiting groove 17 and a limiting pin 18.

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, a novel high-pressure acetylene special valve comprises a valve body 1, a sealing gasket 4 is fixedly installed on the top of the valve body 1, the sealing gasket 4 is silica gel, the sealing gasket 4 is in a ring shape, an annular stop block 6 positioned below the sealing gasket 4 is fixedly installed on the top of the valve body 1, the top of the valve body 1 is in threaded connection with a valve sleeve 2 through a threaded rod 5, the number of the threaded rods 5 is not less than four, the threaded rods 5 are equidistantly distributed on the outer side of the valve sleeve 2, an annular clamping groove 12 is formed on the outer side of the valve sleeve 2, a valve cover 3 with one end extending to the upper side of the valve sleeve 2 is movably connected inside the annular clamping groove 12, a threaded groove 13 is formed in the bottom of the valve cover 3, the internal thread of the threaded groove 13 is connected with a valve rod 7 with one end sequentially penetrating through the valve sleeve 2 and the annular, the outer side of the valve rod 7 is provided with two sliding grooves 10 which are positioned at the inner side of the valve sleeve 2, the outer side of the valve rod 7 is fixedly provided with a valve clack 8, one end of the valve clack 8 extends to the lower part of the valve rod 7 and is positioned in the valve body 1, the outer side of the valve rod 7 is movably connected with a sealing block 9 positioned above the annular stop block 6, the sealing block 9 is made of copper, the outer part of the sealing block is wrapped by rubber, the top part of the sealing block 9 is fixedly provided with a compression spring 11 positioned at the outer side of the valve rod 7, the top part of the compression spring 11 is fixedly connected with the top wall of the inner cavity of the valve sleeve 2, the outer side of the valve cover 3 is provided with a mounting hole 14, the top part of the valve cover 3 is provided with a limiting hole 15 communicated with the mounting hole 14, the inner part of the mounting hole 14 is movably connected with a push, the top of the limit pin 18 is fixedly connected with a pull ring, the limit pin 18 is in a T shape, through the arrangement of the push rod 16, when the two ends of the push rod 16 are pushed, the push rod 16 is rotated to drive the valve cover 3 to rotate, so that the valve rod 7 which is limited by the chute 10 to rotate is displaced up and down to open and close the valve, the valve rod 7 of the traditional valve is prevented from repeatedly moving around a shaft, the friction quantity is reduced, meanwhile, through the arrangement of the compression spring 11, the compression spring 11 is always in a compressed state, when the valve is opened or closed from the outside, the elastic force of the compression spring 11 always acts on the sealing block 9 to form sealing with the annular stop block 6 and the valve rod 7, when the valve is used for a long time, the sealing block 9 and the valve rod 7 are abraded due to the reciprocating motion of the valve rod 7, the elastic force of the compression spring 11 extrudes the sealing block 9 to, make its department sealed all the time, reach sealed good and durable effect, through setting up spacer pin 18, when pulling the pull ring on the spacer pin 18 and take out spacer pin 18, can remove the push rod 16 in the inside position of mounting hole 14, when the most terminal spacing groove 17 of push rod 16 is pegged graft with spacer pin 18, because lever principle, the arm of force is the longest this moment, can open and close the valve with littleer power at the valve rod 7 other end, has realized the effect of sparingly doing all can.

To sum up, the novel high-pressure acetylene special valve has the advantages that by arranging the push rod 16, when the two ends of the push rod 16 are pushed, the push rod 16 rotates to drive the valve cover 3 to rotate, so that the valve rod 7 which is limited to rotate by the chute 10 moves up and down to open and close the valve, the valve rod 7 of the traditional valve is prevented from moving around a shaft repeatedly, the friction is reduced, meanwhile, by arranging the compression spring 11, the compression spring 11 is always in a compressed state, when the valve is opened or closed from the outside, the elastic force of the compression spring 11 always acts on the sealing block 9 to form sealing with the annular stop block 6 and the valve rod 7, when the valve is used for a long time, the sealing block 9 and the valve rod 7 are abraded due to the reciprocating motion of the valve rod 7, the elastic force of the compression spring 11 can extrude the sealing block 9 to compensate the gap generated by abrasion between the valve rod 7 and the sealing block 9, reach sealed good and durable effect, through setting up spacer pin 18, when the pull ring on the pulling spacer pin 18 takes out spacer pin 18, can remove push rod 16 in the inside position of mounting hole 14, when push rod 16 most terminal spacing groove 17 is pegged graft with spacer pin 18, because lever principle, the arm of force is the longest this moment, can open and close the valve with littleer power at the valve rod 7 other end, the laborsaving effect of festival has been realized, valve rod 7 department of having solved current acetylene valve adopts the sealed design of packing box mostly, valve rod 7 need reciprocal pivoting motion in the use, the packing easily appears wearing and tearing under the accumulation repetitious usage's the condition, the contact surface produces the clearance, lead to the problem that the leakproofness reduces.

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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 special valve of high pressure acetylene, includes valve body (1), its characterized in that: the top fixed mounting of valve body (1) has seal gasket (4), the top fixed mounting of valve body (1) has annular dog (6) that is located seal gasket (4) below, threaded rod (5) threaded connection has valve barrel (2) through the top of valve body (1), annular clamping groove (12) have been seted up in the outside of valve barrel (2), the inside swing joint of annular clamping groove (12) has valve gap (3) that one end extends to valve barrel (2) top, thread groove (13) have been seted up to the bottom of valve gap (3), the inside thread connection of thread groove (13) has one end to run through valve barrel (2) and annular dog (6) in proper order and extend to valve rod (7) of valve body (1) inside, the outside of valve rod (7) is seted up quantity and is two and is located inboard spout (10) of valve barrel (2), the outside fixed mounting of valve rod (7) has one end to extend to valve rod (7) below and is located valve body (1) Valve clack (8), the outside swing joint of valve rod (7) has sealed piece (9) that are located annular dog (6) top, the top fixed mounting of sealed piece (9) has compression spring (11) that are located the valve rod (7) outside and the inner chamber roof fixed connection of compression spring (11) and valve barrel (2), mounting hole (14) have been seted up in the outside of valve gap (3), spacing hole (15) with mounting hole (14) intercommunication are seted up at the top of valve gap (3), the inside swing joint of mounting hole (14) has push rod (16) that both ends run through valve gap (3), spacing groove (17) have been seted up in the outside of push rod (16), the inside swing joint of spacing hole (15) has one end to extend to valve gap (3) top and the other end to extend to inside spacer pin (18) of spacing groove (17).

2. The novel high-pressure acetylene special valve according to claim 1, characterized in that: the sealing gasket (4) is silica gel, and the sealing gasket (4) is annular.

3. The novel high-pressure acetylene special valve according to claim 1, characterized in that: the number of the threaded rods (5) is not less than four, and the threaded rods (5) are equidistantly distributed on the outer side of the valve sleeve (2).

4. The novel high-pressure acetylene special valve according to claim 1, characterized in that: the valve rod (7) is made of stainless steel, and threads matched with the thread grooves (13) are arranged on the outer side of the valve rod (7).

5. The novel high-pressure acetylene special valve according to claim 1, characterized in that: the sealing block (9) is made of copper, and rubber is wrapped outside the sealing block.

6. The novel high-pressure acetylene special valve according to claim 1, characterized in that: the top of the limiting pin (18) is fixedly connected with a pull ring, and the limiting pin (18) is T-shaped.