CN210623664U

CN210623664U - Ball valve convenient to installation and dismantlement filter screen

Info

Publication number: CN210623664U
Application number: CN201921580239.5U
Authority: CN
Inventors: 陈贤生
Original assignee: Zhejiang Shuangxian Valve Co Ltd
Current assignee: Zhejiang Shuangxian Valve Co Ltd
Priority date: 2019-09-20
Filing date: 2019-09-20
Publication date: 2020-05-26
Anticipated expiration: 2029-09-20

Abstract

The utility model discloses a ball valve convenient to installation and dismantlement filter screen, including executive handle, valve body, disk seat, spheroid and valve rod, seted up the influent stream way in the valve body and flowed the way: the valve body is provided with an invagination notch along the circumferential direction at the side of the inlet channel, the lower end position of the invagination notch is provided with a mounting groove, an adjusting chassis is fixedly arranged in the mounting groove, the adjusting chassis is provided with an adjusting screw and two limiting supports, and the adjusting screw passes through the two limiting supports to complete limiting; the adjusting screw is sleeved with two equidistant threaded shaft sleeves, threads matched with the adjusting screw are arranged on the inner peripheries of the two threaded shaft sleeves, locking blocks are fixedly arranged at the upper ends of the two threaded shaft sleeves, and a locking cavity is formed by the space between the two locking blocks. The utility model has the advantages of it is following and effect: the ball valve can filter and intercept fluid media entering from the inlet channel, ensure the normal opening and closing of the ball body and prolong the service life of the ball valve.

Description

Ball valve convenient to installation and dismantlement filter screen

Technical Field

The utility model relates to the technical field of valves, in particular to ball valve convenient to installation and dismantlement filter screen.

Background

The ball valve is one of the common valves, and its closing member is a ball body which can be rotated by 90 deg. around the central line of valve body to open and close. The main function of a ball valve in a pipeline is to shut off, regulate the flow of a medium or change the flow direction of the medium.

In the normal use process of the ball valve, a fluid medium flows along the direction from the inlet channel to the outlet channel, and if more fixed impurities and particles are mixed in the fluid medium, the fluid medium is easy to block the channel through long-term deposition, so that the ball cannot normally rotate to seal the channel, and the ball valve fails; if a replaceable and cleanable filter screen is arranged at the position of the flow inlet channel, a part of fixed impurities and particles can be intercepted, and the probability of deposition and blockage in the flow channel is greatly reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a ball valve convenient to installation and dismantlement filter screen to fluid medium to getting into from the influent stream way filters, holds back, guarantees spheroidal normal open and close, prolongs the life of ball valve.

The above technical purpose of the present invention can be achieved by the following technical solutions: a ball valve convenient for mounting and dismounting a filter screen comprises an execution handle, a valve body, a valve seat, a ball body and a valve rod, wherein the valve body is internally provided with a valve cavity in a through manner, the valve rod is longitudinally arranged in the valve cavity in a penetrating manner, the execution handle is connected to the upper end of the valve rod and can drive the valve rod to realize circumferential rotation along the axis of the execution handle, the ball body is linked and arranged at the lower end of the valve rod, the valve seat is fixedly arranged in the valve body and forms sealing fit with the ball body, a flow passage is formed in the valve body and is divided into a flow inlet passage and a flow outlet passage by the ball body, an inward concave opening is arranged on the side of the flow inlet passage along the circumferential direction of the valve body, a mounting groove is arranged at the lower end of the inward concave opening, an adjusting chassis is fixedly arranged in the mounting groove and is horizontally arranged, an, the two opposite ends of the adjusting chassis are respectively provided with a limiting support, the two limiting supports are respectively provided with a through hole, the adjusting screw sequentially penetrates through the through holes on the two limiting supports to realize self limiting, bearings are arranged at the positions of the two limiting supports corresponding to the through holes, and the adjusting screw is matched with the two bearings to realize self circumferential rotation; the adjusting screw rod is sleeved with two equidistant threaded shaft sleeves, threads matched with the adjusting screw rod are arranged on the inner peripheries of the two threaded shaft sleeves, synchronous movement of the two threaded shaft sleeves is achieved by rotating the adjusting screw rod, locking blocks are fixedly arranged at the upper ends of the two threaded shaft sleeves, and a locking cavity is formed by the space between the two locking blocks; the adjusting screw rod is provided with a first position and a second position, when the adjusting screw rod is rotated to enable the locking cavity to move to the first position, the filter screen is longitudinally inserted into the locking cavity, and the lower end of the filter screen can be limited in the locking cavity in a damping mode; when the adjusting screw rod is rotated to enable the locking cavity to be located on a moving path of the first position and the second position, the periphery of the filter screen is abutted against the inwards concave notch; when the adjusting screw rod is continuously rotated to enable the locking cavity to move to the second position, the filter screen can be positioned under the abutting of the valve seat.

The further setting is that: one of the locking blocks, which is far away from the side of the flow inlet channel, is provided with a locking hole, a locking bolt is arranged in the locking hole in a threaded manner, and the head of the locking bolt extends into the locking cavity and abuts against the filter screen positioned in the locking cavity so as to further fix the filter screen.

The further setting is that: one of the limiting support far away from the side of the flow inlet channel is provided with a rotating handle which is fixedly connected with the adjusting screw rod.

The further setting is that: the lower extreme of adjusting the chassis be provided with the fixed block, this fixed block downwardly extending pastes with the outer wall of valve body mutually, the fixed block in be provided with the fixed orifices, and be provided with fixing bolt at this fixed orifices internal thread, fixing bolt's head extend to realize fixedly in the valve body.

The further setting is that: the valve body is provided with a sealing groove corresponding to the valve seat, the sealing groove is provided with a sealing opening attached to the valve seat, a compression spring is arranged in the sealing groove in a compression mode, the compression spring extends out of the sealing opening and acts on the valve seat, and the valve seat always has the tendency of abutting against the ball body.

The utility model has the advantages that:

1. the utility model discloses in filter the fluid medium that gets into the runner through setting up the filter screen, hold back, filter remaining solid impurity, granule in the fluid medium, the effectual deposit that prevents in the runner blocks up, the unable normal phenomenon of opening and close, sealed runner of spheroid that leads to.

2. The utility model discloses well filter screen is detachable design, is convenient for wash, change the filter screen to the life of extension filter screen and this ball valve.

3. The filter screen in the utility model is very convenient to install and disassemble, only the adjusting screw rod needs to be rotated to move the two locking blocks positioned on the adjusting screw rod to the outer side of the flow inlet channel, then the filter screen is longitudinally placed, and the lower end of the filter screen can be limited in the locking cavity between the two locking blocks in a damping manner; then, the adjusting screw rod is rotated reversely, so that the filter screen gradually moves towards the inner side of the flow inlet channel, and the filter screen can be positioned under the abutting of the valve seat; the disassembling process is the same, and then only need the application of force extract the filter screen can, it is simple to have installation and dismantlement, need not tools such as screw, screwdriver, very convenient.

4. Through set up the locking hole on the locking piece to be equipped with the locking bolt, the head through the locking bolt supports further fixedly at the produced frictional force of filter screen from this, prevents that the filter screen from breaking away from, has guaranteed the stability after the filter screen is fixed.

5. The adjusting screw rod can be conveniently rotated by a user through the rotating handle.

6. Through setting up seal groove and compression spring, the effectual sealing performance who increases between disk seat and the spheroid has guaranteed under the long-term service operating mode that the spheroid still can have stable sealed performance.

Drawings

FIG. 1 is a schematic structural view of an embodiment (with the lock chamber in a second position, after installation of the screen);

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is an enlarged view of portion B of FIG. 1;

FIG. 4 is a schematic structural view of the embodiment (with the lock chamber in the first position, i.e., when the screen is installed);

fig. 5 is an enlarged view of a portion C in fig. 4.

In the figure: 11. an actuating handle; 12. a valve body; 13. a valve seat; 14. a sphere; 15. a valve stem; 16. a flow inlet channel; 17. discharging the flow channel; 21. an invagination notch; 22. filtering with a screen; 23. mounting grooves; 31. adjusting the chassis; 32. adjusting the screw rod; 33. a limiting support; 34. a bearing; 35. a threaded shaft sleeve; 36. a locking block; 37. a locking cavity; 38. rotating the handle; 41. a first position; 42. a second position; 51. a locking hole; 52. a locking bolt; 61. a fixed block; 62. a fixing hole; 63. fixing the bolt; 71. a sealing groove; 72. sealing the opening; 73. compressing the spring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 to 5, a ball valve convenient for mounting and dismounting a filter screen includes an actuating handle 11, a valve body 12, a valve seat 13, a ball 14 and a valve rod 15, the valve cavity is opened in the valve body 12, the valve rod 15 is longitudinally inserted into the valve cavity, the actuating handle 11 is connected to the upper end of the valve rod 15 and can drive the valve rod 15 to circumferentially rotate along its own axis, the ball 14 is linked to the lower end of the valve rod 15, the valve seat 13 is fixedly disposed in the valve body 12 and forms a sealing fit with the ball 14, a flow channel is disposed in the valve body 12, and the flow channel is partitioned by the ball 14 to form an inlet flow channel 16 and an outlet flow channel 17. The above structure is used as the basic structure of the ball valve, and the user can rotate the actuating handle 11 to drive the ball 14 to rotate, and then the flow passage is sealed by the cooperation of the ball 14 and the valve seat 13, which belongs to the common knowledge in the field of ball valves and is not explained here.

Valve body 12 is provided with invagination notch 21 along circumference in the 16 sides of influent stream way, the lower extreme position of invagination notch 21 is provided with mounting groove 23, mounting groove 23 internal fixation is provided with adjusts chassis 31, this regulation chassis 31 is horizontal level setting, adjust chassis 31's upper end and transversely wear to be equipped with an adjusting screw 32, adjust chassis 31 relative both ends and all be provided with spacing support 33, two spacing support 33 have all seted up the perforation, adjusting screw 32 passes the perforation on two spacing support 33 in proper order in order to realize self spacing, two spacing support 33 correspond the perforation department and all are provided with bearing 34, adjusting screw 32 realizes self circumferential direction with the cooperation of two bearing 34.

The adjusting screw rod 32 is sleeved with two equidistant threaded shaft sleeves 35, threads matched with the adjusting screw rod 32 are arranged on the inner peripheries of the two threaded shaft sleeves 35, and therefore the two threaded shaft sleeves 35 can move synchronously by rotating the adjusting screw rod 32; two screw thread axle sleeves 35 realize removing through the screw thread with adjusting screw 32 assorted, and when the user rotated adjusting screw 32, accessible screw thread cooperation drove two screw thread axle sleeves 35 and carries out synchronous movement, and is very convenient.

The upper ends of the two threaded bushings 35 are fixedly provided with locking blocks 36, and a locking cavity 37 is formed by the distance between the two locking blocks 36.

Referring to fig. 2 and 5, the adjusting screw 32 has a first position 41 and a second position 42, when the adjusting screw 32 is rotated to move the locking cavity 37 to the first position 41, the filter screen 22 is inserted along the longitudinal direction of the locking cavity 37, and the lower end of the filter screen 22 is dampingly limited in the locking cavity 37; when the adjusting screw 32 is turned to bring the locking chamber 37 in the path of movement in the first position 41 and in the second position 42, the periphery of the sieve 22 will come to rest against the recessed notch 21; when the adjusting screw 32 is further rotated to move the locking chamber 37 to the second position 42, the sieve 22 is positioned against the valve seat 13; at the same time, the locking piece 36 on the adjusting base plate 31 in the mounting groove 23 is also positioned against the valve seat 13. In this embodiment, the filter screen 22 is a filter plate, and a hard portion is required to complete the fixation.

The further setting is that: one of the locking blocks 36, which is far from the side of the inlet channel 16, is opened with a locking hole 51, and a locking bolt 52 is disposed in the locking hole 51 by internal thread, and the head of the locking bolt 52 extends into the locking cavity 37 and abuts against the filter screen 22 in the locking cavity 37 to further fix the filter screen 22.

The further setting is that: one of the limiting supports 33, which is far from the inlet channel 16 side, is provided with a rotating handle 38, and the rotating handle 38 is fixedly connected with the adjusting screw 32, so that a user can rotate the adjusting screw 32 conveniently.

The further setting is that: the lower end of the adjusting chassis 31 is provided with a fixing block 61, the fixing block 61 extends downwards and is attached to the outer wall of the valve body 12, a fixing hole 62 is formed in the fixing block 61, a fixing bolt 63 is arranged in the fixing hole 62 in a threaded manner, and the head of the fixing bolt 63 extends into the valve body 12 to be fixed.

The further setting is that: the valve body 12 is provided with a sealing groove 71 corresponding to the position of the valve seat 13, the sealing groove 71 is provided with a sealing opening 72 attached to the valve seat 13, a compression spring 73 is arranged in the sealing groove 71 in a compression mode, the compression spring 73 extends out of the sealing opening 72 and acts on the valve seat 13, and the valve seat 13 always has a tendency of abutting against the ball 14; through setting up seal groove 71 and compression spring 73, the effectual sealing performance that has increased between valve seat 13 and the spheroid 14 has guaranteed under the long-term service operating mode that spheroid 14 still can have stable sealed performance.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a ball valve convenient to installation and dismantlement filter screen, includes execution handle (11), valve body (12), disk seat (13), spheroid (14) and valve rod (15), valve body (12) in link up and seted up the valve pocket, valve rod (15) vertically wear to establish the valve pocket, execution handle (11) connect in the upper end of valve rod (15) and can drive valve rod (15) and realize circumferential direction along the axle center of self, spheroid (14) linkage set up the lower extreme at valve rod (15), disk seat (13) fixed set up in valve body (12) and constitute sealed cooperation with spheroid (14), valve body (12) in seted up the runner, and this runner is separated by spheroid (14) and is formed into runner (16) and outflow (17), its characterized in that:

the valve body (12) is provided with an invagination notch (21) along the circumferential direction at the side of the inlet channel (16), an installation groove (23) is arranged at the lower end of the invagination notch (21), an adjusting chassis (31) is fixedly arranged in the installation groove (23), the adjusting chassis (31) is horizontally arranged in the transverse direction, an adjusting screw rod (32) transversely penetrates through the upper end of the adjusting chassis (31), the two opposite ends of the adjusting chassis (31) are respectively provided with a limiting support (33), the two limiting supports (33) are respectively provided with a through hole, the adjusting screw rod (32) sequentially penetrates through the through holes on the two limiting supports (33) to realize self limiting, bearings (34) are arranged at the positions of the two limiting supports (33) corresponding to the through holes, the adjusting screw rod (32) is matched with the two bearings (34) to realize the circumferential rotation of the adjusting screw rod;

the adjusting screw rod (32) is sleeved with two equidistant threaded shaft sleeves (35), threads matched with the adjusting screw rod (32) are arranged on the inner peripheries of the two threaded shaft sleeves (35), synchronous movement of the two threaded shaft sleeves (35) is achieved by rotating the adjusting screw rod (32), locking blocks (36) are fixedly arranged at the upper ends of the two threaded shaft sleeves (35), and a locking cavity (37) is formed by the space between the two locking blocks (36);

the adjusting screw rod (32) is provided with a first position (41) and a second position (42), when the adjusting screw rod (32) is rotated to move the locking cavity (37) to the first position (41), the filter screen (22) is longitudinally inserted along the locking cavity (37), and the lower end of the filter screen (22) can be limited in the locking cavity (37) in a damping manner; when the adjusting screw (32) is rotated to enable the locking cavity (37) to be located on the moving path of the first position (41) and the second position (42), the periphery of the filter screen (22) is abutted against the recessed notch (21); when the adjusting screw (32) is further rotated to move the locking cavity (37) to the second position (42), the filter screen (22) is positioned under the abutment of the valve seat (13).

2. The ball valve convenient for installing and detaching the filter screen according to claim 1, wherein: one of the locking blocks (36) far away from the inlet channel (16) is provided with a locking hole (51), a locking bolt (52) is arranged in the locking hole (51) in a threaded manner, and the head of the locking bolt (52) extends into the locking cavity (37) and abuts against the filter screen (22) in the locking cavity (37) to further fix the filter screen (22).

3. The ball valve convenient for installing and detaching the filter screen according to claim 1, wherein: one of the limiting supports (33) which is far away from the inlet channel (16) is provided with a rotating handle (38), and the rotating handle (38) is fixedly connected with the adjusting screw rod (32).

4. The ball valve convenient for installing and detaching the filter screen according to claim 1, wherein: the lower end of the adjusting chassis (31) is provided with a fixing block (61), the fixing block (61) extends downwards and is attached to the outer wall of the valve body (12), a fixing hole (62) is formed in the fixing block (61), a fixing bolt (63) is arranged in the fixing hole (62) in a threaded mode, and the head of the fixing bolt (63) extends into the valve body (12) to be fixed.

5. The ball valve convenient for installing and detaching the filter screen according to claim 1, wherein: the valve body (12) is provided with a sealing groove (71) corresponding to the position of the valve seat (13), the sealing groove (71) is provided with a sealing opening (72) attached to the valve seat (13), a compression spring (73) is arranged in the sealing groove (71) in a compression mode, the compression spring (73) extends out of the sealing opening (72) and acts on the valve seat (13), and the valve seat (13) always has the tendency of abutting against the ball body (14).