CN206206622U - A kind of clamping-proof type stop valve - Google Patents

Abstract

The utility model discloses a kind of clamping-proof type stop valve, including valve body and upper lid, the top of the valve block is provided with valve rod, the valve rod runs through upper lid, the top of the valve rod is provided with supporting plate, and the inner chamber left and right sides of the valve body is mounted on slide plate, limiting plate is provided with the inside of the slide plate, the top of the limiting plate is provided with Springing device, and the Springing device includes springing case.The clamping-proof type stop valve, when valve body is needed, pulling down supporting plate can downwards operate with ovable valve stem, valve rod can be made to drive arm-tie, and running presses springing block downwards, springing block can be made to press spring slide enter in springing case, spheroid can be squeezed into springing block, when spheroid reaches the position for coordinating through hole, second spring can squeeze spheroid into cooperation through hole, it is fixed valve rod, it is possible to prevente effectively from filler is forced through tight and causes frictional force between valve rod and packing ring to increase, the stuck phenomenon of valve rod is caused to occur.

Description

A kind of clamping-proof type stop valve

Technical field

The utility model is related to stop valve technical field, specially a kind of clamping-proof type stop valve.

Background technology

Current stop valve is widely used in oil, natural gas, coal gas, oil liquefied gas and oil refining, airport, chemical industry, oil Make closed circuit device, such as patent of Patent No. 201620442622. 4, including valve body and valve body on the pipeline of gas accumulating etc. The valve element of valve rod and the valve rod connection of connection is rotated, the passage for flow of media, valve element and valve body slides are offered on valve body Connection, although having reached reduces the frequency that workman changes valve element, but in stop valve between the packing ring and valve rod of common form Lubricity would generally reduce, packing ring elasticity can also decrease, the frictional force of valve rod also increases therewith, so as to can cause Valve rod is stuck.

Utility model content

The purpose of this utility model is to provide a kind of clamping-proof type stop valve, with asking for solving to propose in above-mentioned background technology Topic.

To achieve the above object, the utility model provides following technical scheme：A kind of clamping-proof type stop valve, including valve body and Upper lid, the top of the valve body is provided with lid, and the upper lid is connected by connecting bolt with valve body, the interior bottom of chamber of the valve body End is installed with valve seat, and the top of the valve seat is provided with valve block, and the top of the valve block is provided with valve rod, and the valve rod is passed through Lid is put on, the top of the valve rod is provided with supporting plate, and the inner chamber left and right sides of the valve body is mounted on slide plate, the slide plate Inner side limiting plate is installed, the top of the limiting plate is provided with Springing device, and the Springing device includes springing case, described The left and right sides of springing case is equipped with cooperation through hole, and the inner chamber top of the springing case is provided with spring, the top of the spring Springing block is installed, the springing case is slidably connected by spring with springing block, and the inner chamber of the springing block is provided with outer barrel, institute The inner chamber for stating outer barrel is provided with second spring, and rocker-arm is provided with the outside of the second spring, and the rocker-arm passes through second Spring is slidably connected with outer barrel, and spheroid is provided with the outside of the rocker-arm, and the spheroid is connected with through hole cooperation is coordinated, described The top of springing block is provided with arm-tie, and the arm-tie is connected with slide plate slides.

Preferably, the springing case is provided with reinforcement block with the junction of spring.

Preferably, the inner chamber top of the valve body is provided with firm plate, and the firm plate is connected with valve stem slides.

Preferably, the inner chamber left and right sides of the upper lid is mounted on filling block, and the filling block is connected with valve stem slides.

Preferably, the rocker-arm is provided with rubber blanket with the junction of second spring.

Compared with prior art, the beneficial effects of the utility model are：The clamping-proof type stop valve, by valve seat and valve block Cooperation is closed or is opened valve body, and when valve body is needed, pulling down supporting plate can downwards operate with ovable valve stem, is led to Cross arm-tie to be connected with slide plate slides, valve rod can be made to drive arm-tie, and running presses springing block downwards, and spring is passed through by springing block Be slidably connected with springing case, springing block can be made to press spring slide and entered in springing case, by rocker-arm by second spring with Outer barrel is slidably connected, and spheroid can be squeezed into springing block, and when spheroid reaches the position for coordinating through hole, second spring can be with Spheroid is squeezed into cooperation through hole, valve rod is fixed, when valve body is opened, by pulling up supporting plate, can be ball Body is pulled out in cooperation through hole, springing block springing can be gone out in springing case by spring, valve block is separated with valve seat, so that Opening valve body is carried out, valve body can be quickly and easily opened or closed, it is possible to prevente effectively from filler is forced through tight and causes valve rod The frictional force increase between packing ring, causes the stuck phenomenon of valve rod to occur.

Brief description of the drawings

Fig. 1 is the utility model structural representation；

Fig. 2 is Springing device structural representation of the present utility model；

Fig. 3 is springing block internal structure schematic diagram of the present utility model.

In figure：1st, valve body, 2, valve block, 3, valve seat, 4, limiting plate, 5, connecting bolt, 6, valve rod, 7, filling block, 8, arm-tie, 9th, Springing device, 901, springing case, 902, coordinate through hole, 903, spheroid, 904, springing block, 905, spring, 906, reinforcement block, 907th, second spring, 908, rocker-arm, 909, outer barrel, 910, rubber blanket, 10, supporting plate, 11, upper lid, 12, firm plate, 13, sliding Plate.

Specific embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment for being obtained, belongs to the scope of the utility model protection.

Fig. 1-3 are referred to, the utility model provides a kind of technical scheme：A kind of clamping-proof type stop valve, including valve body 1 and upper Lid 11, the top of valve body 1 is provided with lid 11, and upper lid 11 is connected by connecting bolt 5 with valve body 1, and the inner chamber bottom of valve body 1 is consolidated Dingan County is equipped with valve seat 3, and the top of valve seat 3 is provided with valve block 2, and the top of valve block 2 is provided with valve rod 6, and valve rod 6 runs through upper lid 11, The inner chamber left and right sides of upper lid 11 is mounted on filling block 7, and filling block 7 is slided with valve rod 6 and is connected, by filling block 7 and valve rod 6 Slide to be connected and can strengthen the stability of valve rod 6, the top of valve rod 6 is provided with supporting plate 10, and the inner chamber top of valve body 1 is provided with Firm plate 12, firm plate 12 is slidably connected with valve rod 6, and being slidably connected with valve rod 6 by firm plate 12 can strengthen the steady of valve rod 6 Qualitative, the inner chamber left and right sides of valve body 1 is mounted on slide plate 13, and the inner side of slide plate 13 is provided with limiting plate 4, the top of limiting plate 4 End is provided with Springing device 9, and Springing device 9 includes springing case 901, and the left and right sides of springing case 901 is equipped with cooperation through hole 902, the inner chamber top of springing case 901 is provided with spring 905, and spring 905 is helical spring, and coefficient of elasticity is 15N/CM, springing Case 901 is provided with reinforcement block 906 with the junction of spring 905, can be with the stability of reinforcement spring 905, bullet by reinforcement block 906 The top of spring 905 is provided with springing block 904, and springing case 901 is slidably connected by spring 905 with springing block 904, springing block 904 Inner chamber outer barrel 909 is installed, the inner chamber of outer barrel 909 is provided with second spring 907, and second spring 907 is compression spring, elasticity Coefficient is 16N/CM, and the outside of second spring 907 is provided with the junction of rocker-arm 908, rocker-arm 908 and second spring 907 Rubber blanket 910 is installed, the springing power of second spring 907 can be strengthened by rubber blanket 910, rocker-arm 908 passes through the second bullet Spring 907 is slidably connected with outer barrel 909, and the outside of rocker-arm 908 is provided with spheroid 903, and spheroid 903 coordinates with through hole 902 is coordinated It is connected, is slidably connected with springing case 901 by spring 905 by springing block 904, springing block 904 can be made to press spring 905 and slided Move into springing case 901, be slidably connected with outer barrel 909 by second spring 907 by rocker-arm 908, spheroid 903 can be squeezed Move into springing block 904, when spheroid 903 reaches the position for coordinating through hole 902, second spring 907 can squeeze spheroid 903 Enter to coordinate in through hole 902, be fixed valve rod 6, the top of springing block 904 is provided with arm-tie 8, and arm-tie 8 is slided with slide plate 13 and connected Connect, be slidably connected with slide plate 13 by arm-tie 8, valve rod 6 can be made to drive arm-tie 8, and running presses springing block 904 downwards.

Valve body 1 is closed or opened by the cooperation of valve seat 2 and valve block 3, when valve body 1 is needed, is pulled down Supporting plate 10 can downwards be operated with ovable valve stem 6, be slidably connected with slide plate 13 by arm-tie 8, and valve rod 6 can be made to drive arm-tie 8 Running downwards presses springing block 904, is slidably connected with springing case 901 by spring 905 by springing block 904, can make springing Block 904 presses spring 905 and slides into springing case 901, is slided with outer barrel 909 by second spring 907 by rocker-arm 908 and connected Connect, spheroid 903 can be squeezed into springing block 904, when spheroid 903 reaches the position for coordinating through hole 902, second spring 907 can squeeze spheroid 903 into cooperation through hole 902, be fixed valve rod 6, when valve body 1 is opened, by pulling up Supporting plate 10, spheroid 903 can be pulled out in cooperation through hole 902, and the springing of springing block 904 bullet can be gone out by spring 905 In dynamic case 901, valve block 2 is separated with valve seat 3, so as to carry out opening valve body 1, can quickly and easily open or close valve body 1, it is possible to prevente effectively from filler is forced through tight and causes frictional force between valve rod 6 and packing ring to increase, cause that valve rod 6 is stuck to be showed As occurring.

In description of the present utility model, it is to be understood that term " coaxial ", " bottom ", " one end ", " top ", " middle part ", " other end ", " on ", " side ", " top ", " interior ", " front portion ", " center ", the orientation or position of the instruction such as " two ends " The relation of putting is, based on orientation shown in the drawings or position relationship, to be for only for ease of description the utility model and simplify description, and Be not indicate or imply meaning device or element must have specific orientation, with specific azimuth configuration and operation, therefore It is not intended that to limitation of the present utility model.

In the utility model, unless otherwise clearly defined and limited, term " installation ", " setting ", " connection ", " Gu Calmly ", the term such as " spinning " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integrally； Can mechanically connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can be with Be two element internals connection or two interaction relationships of element, unless otherwise clearly restriction, for this area For those of ordinary skill, concrete meaning of the above-mentioned term in the utility model can be as the case may be understood.

While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art, It is appreciated that these embodiments can be carried out various changes in the case where principle of the present utility model and spirit is not departed from, repaiies Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of clamping-proof type stop valve, including valve body（1）With upper lid（11）, the valve body（1）Top lid is installed（11）, The upper lid（11）By connecting bolt（5）With valve body（1）It is connected, it is characterised in that：The valve body（1）Inner chamber bottom fix Valve seat is installed（3）, the valve seat（3）Top valve block is installed（2）, the valve block（2）Top valve rod is installed（6）, The valve rod（6）Through upper lid（11）, the valve rod（6）Top supporting plate is installed（10）, the valve body（1）Inner chamber it is left Right both sides are mounted on slide plate（13）, the slide plate（13）Inner side limiting plate is installed（4）, the limiting plate（4）Top Springing device is installed（9）, the Springing device（9）Including springing case（901）, the springing case（901）The left and right sides it is equal It is provided with cooperation through hole（902）, the springing case（901）Inner chamber top spring is installed（905）, the spring（905）Top End is provided with springing block（904）, the springing case（901）By spring（905）With springing block（904）It is slidably connected, the bullet Motion block（904）Inner chamber outer barrel is installed（909）, the outer barrel（909）Inner chamber second spring is installed（907）, described Two springs（907）Outside rocker-arm is installed（908）, the rocker-arm（908）By second spring（907）With outer barrel （909）It is slidably connected, the rocker-arm（908）Outside spheroid is installed（903）, the spheroid（903）With cooperation through hole （902）Coordinate and be connected, the springing block（904）Top arm-tie is installed（8）, the arm-tie（8）With slide plate（13）The company of slip Connect.

2. a kind of clamping-proof type stop valve according to claim 1, it is characterised in that：The springing case（901）With spring （905）Junction reinforcement block is installed（906）.

3. a kind of clamping-proof type stop valve according to claim 1, it is characterised in that：The valve body（1）Inner chamber top peace Equipped with firm plate（12）, the firm plate（12）With valve rod（6）It is slidably connected.

4. a kind of clamping-proof type stop valve according to claim 1, it is characterised in that：The upper lid（11）Inner chamber or so two Side is mounted on filling block（7）, the filling block（7）With valve rod（6）Slide and be connected.

5. a kind of clamping-proof type stop valve according to claim 1, it is characterised in that：The rocker-arm（908）With the second bullet Spring（907）Junction rubber blanket is installed（910）.