CN206754445U

CN206754445U - A kind of eccentric hard sealed ball valve

Info

Publication number: CN206754445U
Application number: CN201720265797.7U
Authority: CN
Inventors: 张德飞; 陈乃昶; 胡良银
Original assignee: Koko Valve Industry Co Ltd
Current assignee: Koko Valve Industry Co Ltd
Priority date: 2017-03-11
Filing date: 2017-03-11
Publication date: 2017-12-15
Anticipated expiration: 2027-03-11

Abstract

The utility model discloses a kind of eccentric hard sealed ball valve, including valve body, hex screw and bottom, the bottom is connected by hex screw with valve body, matrix coordinating block is installed on the circumference of the valve body, both side surface is equipped with neck up and down for the inner chamber of the matrix coordinating block, the front and rear sides of the spheroid are mounted on contiguous block, and fixing device is provided with the outside of the contiguous block.The eccentric half-ball valve, spheroid is driven to rotate by pneumatic means, it is connected by assembling case with the cooperation of matrix coordinating block, assembling case is driven to be rotated in matrix coordinating block when spheroid rotates, make the second connecting rod drive fixed ball reset to squeeze out in assembling case to enter in neck, assembling case is set to be firmly fixed in matrix coordinating block, it can not only prevent valve rod under static state because impact band ovable valve stem caused by media flow is moved vertically, influence the sealing of valve body, and the phenomenon for preventing spheroid from being shifted when opening certain angle, securely and reliably.

Description

A kind of eccentric hard sealed ball valve

Technical field

Valve technology field is the utility model is related to, specially a kind of eccentric hard sealed ball valve.

Background technology

Eccentric half-ball valve and flanged gate valve are the valves for belonging to a type together, and it is spheroid to distinguish in its closure member, ball Body makees rotation to reach a kind of valve opened, closed around valve body center line, and ball valve is mainly used to cut off in pipeline, distributed With the flow direction for changing medium, existing eccentric half-ball valve includes the valve element in integrally formed valve body, valve body, the rotation of valve element Turn that the inlet of valve body can be blocked, such as the patent of Patent No. 201320329947.8, including one by stainless steel Valve body made of material and the hemispherical valve element being arranged in the valve body, valve body are provided with the steering for being used for checking hemispherical valve element The display window of position, and the transparent cover body that can be closed, although compact overall structure, volume are provided with the display window Small, manufacture craft is simple, and production cost is low, and beneficial to wide popularization and application, but spheroid remains static down due to medium flow field Impact band ovable valve stem is moved vertically caused by dynamic, to cause to produce gap between valve ball inactive state lower sphere and valve body And leak, or skew is produced during opening certain angle, it is impossible to sealing and use well, easily there is seepage and skew Phenomenon, influence to use.

Utility model content

The purpose of this utility model is to provide a kind of eccentric hard sealed ball valve, to solve what is proposed in above-mentioned background technology Problem.

To achieve the above object, the utility model provides following technical scheme：A kind of eccentric hard sealed ball valve, including valve Body, hex screw and bottom, the bottom are connected by hex screw with valve body, and the inner chamber bottom of the valve body is provided with valve Bar, the top of the valve rod are provided with spheroid, and valve seat, the top installation of the valve body are mounted at left and right sides of the spheroid There is stuffing box, filler is mounted at left and right sides of the inner chamber of the stuffing box, the top of the stuffing box is provided with gland, The top of the gland is provided with support, and the top of the support is provided with pneumatic means, the bottom of the pneumatic means It is connected with spheroid, matrix coordinating block, the upper and lower both side surface in inner chamber of the matrix coordinating block is installed on the circumference of the valve body Neck is equipped with, the front and rear sides of the spheroid are mounted on contiguous block, fixing device, institute are provided with the outside of the contiguous block Stating fixing device includes assembling case, and the assembling case coordinates with matrix coordinating block to be connected, at left and right sides of the inner chamber of the assembling case Matrix guide runner is mounted on, fixed cylinder, the inner chamber installation of the fixed cylinder are installed on the inside of the matrix guide runner There is spring, the both sides up and down of the spring are mounted on spring base, head rod is provided with the outside of the spring base, described Head rod leads to spring and is connected with fixed cylinder cooperation, and pushing plate, the pushing plate are provided with the outside of the head rod The left and right sides be mounted on sliding block, the sliding block coordinates with matrix guide runner and is connected, and is provided with the outside of the pushing plate Second connecting rod, second connecting rod are provided with fixed ball, the fixation on the outside of assembling case, second connecting rod Ball coordinates with groove and is connected.

Preferably, sealing gasket is installed on the outside of the valve seat.

Preferably, trim ring is installed on the outside of the sealing gasket.

Preferably, reinforcement block is installed, the outside of the reinforcement block is connected with assembling case on the outside of the fixed cylinder.

Preferably, the junction of the pneumatic means and spheroid is provided with axle sleeve.

Compared with prior art, the beneficial effects of the utility model are：The eccentric half-ball valve, ball is driven by pneumatic means Body rotates, and is connected by assembling case with the cooperation of matrix coordinating block, drives assembling case to turn in matrix coordinating block when spheroid rotates It is dynamic, matrix coordinating block can be made to squeeze fixed ball, make to fix ball and enter in assembling case, when fixed ball reaches the position of neck, Spring springing spring base, spring base can be made to drive head rod outside Slideslip in fixed cylinder, squeeze head rod Dynamic pushing plate, head rod band movable slider outside Slideslip on matrix guide runner can be made, drive the second connecting rod Fixed ball, which resets to squeeze out in assembling case, to be entered in neck, assembling case is firmly fixed in matrix coordinating block, not only can be with Prevent valve rod from because impact band ovable valve stem caused by media flow is moved vertically, influenceing the close of valve body under static state Feng Xing, and the phenomenon for preventing spheroid from being shifted when opening certain angle, securely and reliably.

Brief description of the drawings

Fig. 1 is the utility model structure diagram；

Fig. 2 is spheroid front and rear sides of the present utility model structural representation；

Fig. 3 is fixture structure schematic diagram of the present utility model；

Fig. 4 is notch schematic diagram of the present utility model；

Fig. 5 is connecting block structure schematic diagram of the present utility model.

In figure：1st, valve body, 2, hex screw, 3, valve rod, 4, bottom, 5, spheroid, 6, valve seat, 7, sealing gasket, 8, trim ring, 9, Fixing device, 901, reinforcement block, 902, fixed cylinder, 903, pushing plate, the 904, second connecting rod, 905, fixed ball, 906, sliding block, 907th, spring, 908, matrix guide runner, 909, head rod, 910, spring base, 911, assembling case, 10, stuffing box, 11, Filler, 12, gland, 13, support, 14, pneumatic means, 15, axle sleeve, 16, matrix coordinating block, 17, contiguous block, 18, neck.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, 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 obtained, belong to the scope of the utility model protection.

Fig. 1-5 are referred to, the utility model provides a kind of technical scheme：A kind of eccentric hard sealed ball valve, including valve body 1, Hex screw 2 and bottom 4, bottom 4 are connected by hex screw 2 with valve body 1, and the inner chamber bottom of valve body 1 is provided with valve rod 3, valve The top of bar 3 is provided with spheroid 5, and the left and right sides of spheroid 5 is mounted on valve seat 6, and the outside of valve seat 6 is provided with sealing gasket 7, leads to The sealing of valve seat 6 can be strengthened by crossing sealing gasket 7, and the outside of sealing gasket 7 is provided with trim ring 8, can be to sealing gasket by trim ring 8 7 are fixed, and strengthen the stability of sealing gasket 7, the top of valve body 1 is provided with stuffing box 10, the inner chamber of stuffing box 10 or so two Side is mounted on filler 11, and the top of stuffing box 10 is provided with gland 12, and the top of gland 12 is provided with support 13, The top of support 13 is provided with pneumatic means 14, and the bottom of pneumatic means 14 is connected with spheroid 5, pneumatic means 14 and spheroid 5 Junction is provided with axle sleeve 15, can make the connection of pneumatic means 14 and spheroid 5 more firm by axle sleeve 15, the circumference of valve body 1 On matrix coordinating block 16 is installed, both side surface is equipped with neck 18 up and down for the inner chamber of matrix coordinating block 16, front and rear the two of spheroid 5 Side is mounted on contiguous block 17, and the outside of contiguous block 17 is provided with fixing device 9, and fixing device 9 includes assembling case 911, assembling Case 911 coordinates with matrix coordinating block 16 and is connected, and drives spheroid 5 to rotate by pneumatic means 14, is matched somebody with somebody by assembling case 911 with matrix Close the cooperation of block 16 to be connected, the rotation in matrix coordinating block 16 of assembling case 911 is driven when spheroid 5 rotates, matrix can be coordinated Block 16 squeezes fixed ball 905, makes to fix ball 905 into assembling in case 911, assembles and be mounted at left and right sides of the inner chamber of case 911 Matrix guide runner 908, the inner side of matrix guide runner 908 are provided with fixed cylinder 902, and the outside of fixed cylinder 902, which is provided with, to be added Gu block 901, the outside of reinforcement block 901 is connected with assembling case 911, can strengthen the stabilization of fixed cylinder 902 by reinforcement block 901 Property, the inner chamber of fixed cylinder 902 are provided with spring 907, and spring 907 is helical spring, coefficient of elasticity 18N/CM, spring 907 Upper and lower both sides are mounted on spring base 910, and the outside of spring base 910 is provided with head rod 909, and head rod 909 is logical Spring 907 coordinates with fixed cylinder 902 and is connected, and the outside of head rod 909 is provided with pushing plate 903, the left and right of pushing plate 903 Both sides are mounted on sliding block 906, and sliding block 906 coordinates with matrix guide runner 908 and is connected, and the outside of pushing plate 903 is provided with the Two connecting rods 904, the second connecting rod 904 are provided with fixed ball 905 through assembling case 911, the outside of the second connecting rod 904, Gu Determine ball 905 with the cooperation of groove 10 to be connected, when fixed ball 905 reaches the position of neck 18, the springing spring base 910 of spring 907 can So that spring base 910 drives the outside Slideslip in fixed cylinder 902 of head rod 909, head rod 909 is set to squeeze promotion Plate 903, can make head rod 909 with movable slider 906 the outside Slideslip on matrix guide runner 908, make the second connection Bar 904, which drives to fix ball 905 and reset to squeeze out in assembling case 911, to be entered in neck 18, is firmly fixed to assembling case 911 recessed In type coordinating block 16.

In use, driving spheroid 5 to rotate by pneumatic means 14, coordinate phase with matrix coordinating block 16 by assembling case 911 Even, drive assembling case 911 to be rotated in matrix coordinating block 16 when spheroid 5 rotates, matrix coordinating block 16 can be made to squeeze fixation Ball 905, make to fix in the entrance assembling case 911 of ball 905, when fixed ball 905 reaches the position of neck 18, the springing bullet of spring 907 Spring abutment 910, spring base 910 can be made to drive the outside Slideslip in fixed cylinder 902 of head rod 909, make head rod 909 squeeze pushing plate 903, can make head rod 909 with movable slider 906 the outside Slideslip on matrix guide runner 908, Make the second connecting rod 904 drive the fixed reset of ball 905 to squeeze out in assembling case 911 to enter in neck 18, make assembling case 911 firm Be fixed in matrix coordinating block 16.

In description of the present utility model, it is to be understood that term " coaxial ", " bottom ", " one end ", " top ", " in Portion ", " other end ", " on ", " side ", " top ", " interior ", " front portion ", " center ", the orientation of the instruction such as " both ends " or position close It is to be described based on orientation shown in the drawings or position relationship, to be for only for ease of description the utility model and simplifying, rather than Indicate or imply that signified device or element there must be specific orientation, with specific azimuth configuration and operation, therefore can not It is interpreted as to limitation of the present utility model.

In addition, term " first ", " second ", " the 3rd ", " the 4th " are only used for describing purpose, and it is not intended that instruction or Relative importance or the implicit quantity for indicating indicated technical characteristic are implied, thus, defines " first ", " second ", " the Three ", at least one this feature can be expressed or be implicitly included to the feature of " the 4th ".

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 be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, can be with It is connection or the interaction relationship of two elements of two element internals, is limited unless otherwise clear and definite, for this area For those of ordinary skill, concrete meaning of the above-mentioned term in the utility model can be understood as the case may be.

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 with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims

1. a kind of eccentric hard sealed ball valve, including valve body (1), hex screw (2) and bottom (4), the bottom (4) pass through hexagonal Screw (2) is connected with valve body (1), it is characterised in that：The inner chamber bottom of the valve body (1) is provided with valve rod (3), the valve rod (3) top is provided with spheroid (5), and valve seat (6), the top of the valve body (1) are mounted at left and right sides of the spheroid (5) Stuffing box (10) is installed, filler (11), the stuffing box (10) are mounted at left and right sides of the inner chamber of the stuffing box (10) Top gland (12) is installed, the top of the gland (12) is provided with support (13), the support (13) Top is provided with pneumatic means (14), and the bottom of the pneumatic means (14) is connected with spheroid (5), the circumference of the valve body (1) On matrix coordinating block (16) is installed, both side surface is equipped with neck (18), institute up and down for the inner chamber of the matrix coordinating block (16) The front and rear sides for stating spheroid (5) are mounted on contiguous block (17), and fixing device (9) is provided with the outside of the contiguous block (17), The fixing device (9) includes assembling case (911), and the assembling case (911) coordinates with matrix coordinating block (16) to be connected, the dress Matrix guide runner (908), the inner side of the matrix guide runner (908) are mounted at left and right sides of inner chamber with case (911) Fixed cylinder (902) is installed, the inner chamber of the fixed cylinder (902) is provided with spring (907), and up and down the two of the spring (907) Side is mounted on spring base (910), and head rod (909), first connection are provided with the outside of the spring base (910) Bar (909) leads to spring (907) and is connected with fixed cylinder (902) cooperation, and pushing plate is provided with the outside of the head rod (909) (903) sliding block (906), the sliding block (906) and matrix guide runner, are mounted at left and right sides of the pushing plate (903) (908) coordinate and be connected, the second connecting rod (904), second connecting rod (904) are installed on the outside of the pushing plate (903) Through assembling case (911), fixed ball (905) is installed on the outside of second connecting rod (904), the fixed ball (905) with Groove (10), which coordinates, to be connected.

A kind of 2. eccentric hard sealed ball valve according to claim 1, it is characterised in that：The outside installation of the valve seat (6) There is sealing gasket (7).

A kind of 3. eccentric hard sealed ball valve according to claim 2, it is characterised in that：The outside peace of the sealing gasket (7) Equipped with trim ring (8).

A kind of 4. eccentric hard sealed ball valve according to claim 1, it is characterised in that：The outside of the fixed cylinder (902) Reinforcement block (901) is installed, the outside of the reinforcement block (901) is connected with assembling case (911).

A kind of 5. eccentric hard sealed ball valve according to claim 1, it is characterised in that：The pneumatic means (14) and spheroid (5) junction is provided with axle sleeve (15).