CN211693610U

CN211693610U - Bidirectional flow hard-touch hard-regulation type ball valve

Info

Publication number: CN211693610U
Application number: CN202020130606.8U
Authority: CN
Inventors: 夏胜建; 张晓秋; 张晓忠; 陈诗爱; 邵龙
Original assignee: Baoyi Group Co ltd
Current assignee: Baoyi Group Co ltd
Priority date: 2020-01-20
Filing date: 2020-01-20
Publication date: 2020-10-16
Anticipated expiration: 2030-01-20

Abstract

The utility model discloses a two-way flow bumps hard regulation type ball valve, concretely relates to valve technical field, including first valve body and second valve body, first valve body and second valve body pass through the bolt and can dismantle the connection, the inboard equal movable sleeve of first valve body and second valve body is equipped with the disk seat, the outside movable sleeve of disk seat is equipped with the lasso, be equipped with the hard seal face on the inboard skew wall of lasso one end, inside between first valve body and the disk seat is equipped with the case. The utility model discloses a turning valve rod control valve core open and shut, simple structure, and easy to assemble, through the setting of incision, can satisfy the two-way stream requirement, debris when can cuting different aperture angles simultaneously still can regard as two-way substep regulation flow effect, and first valve body and second valve body are the same in the structure, when installation central symmetry arranges that the use can be made with vice mould and accomplished, has reduced manufacturing cost, has simplified manufacturing process.

Description

Bidirectional flow hard-touch hard-regulation type ball valve

Technical Field

The utility model relates to the technical field of valves, more specifically say, the utility model relates to a two-way flow bumps hard regulation type ball valve.

Background

The ball valve is composed of valve body, valve cover, valve rod, valve core, valve seat and driver, and the valve whose opening-closing part (ball) is driven by valve rod and can rotate around the axis of ball valve can also be used for regulating and controlling fluid.

The existing ball valve has the disadvantages of complex structure, complex manufacturing process, low reliability and short service life in the actual use process.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides a two-way flow bumps hard regulation type ball valve, the utility model aims to solve the technical problem that: the existing ball valve has the disadvantages of complex structure, complex manufacturing process, low reliability and short service life.

In order to achieve the above object, the utility model provides a following technical scheme: a bidirectional flow hard-collision hard-regulation type ball valve comprises a first valve body and a second valve body, wherein the first valve body and the second valve body are detachably connected through bolts, valve seats are movably sleeved on the inner sides of the first valve body and the second valve body respectively, a sealing ring is sleeved on the outer side of one end of each valve seat, a ferrule is movably sleeved on the outer side of the other end of each valve seat, a hard sealing surface is arranged on an inclined wall on the inner side of one end of the ferrule, a valve core is arranged inside the space between the first valve body and the valve seats, the outer side wall of the valve core is attached to the hard sealing surface, a shearing opening is formed in the outer side wall of the valve core, a sewage discharge screw plug is inserted into one side of the upper end of the first valve body and one side of the lower end of the second valve body respectively, mounting grooves are formed in one side of the upper, the one end of fixed stay shaft and the inboard activity of lower extreme mounting groove are pegged graft, the fixed stay shaft passes through the bolt and can dismantle with first valve body and be connected, the second through-hole has been seted up to the upper end of second valve body, the inboard of second through-hole is equipped with the axle sleeve, the axle sleeve passes through the bolt and can dismantle with the second valve body and be connected, the inboard activity of axle sleeve is pegged graft and is had the valve rod, the upper end the inboard bottom fixedly connected with square of mounting groove, the middle part and the square of valve rod bottom are pegged graft, the outside cover of valve rod is equipped with the gland that is located first valve body top, the gland.

When the valve is used, the valve rod is rotated, the valve core is driven by the valve rod through the square block to rotate, the bottom end of the valve core rotates on the upper end of the fixed supporting shaft, so that the regulation and control on fluid can be realized, the flow can be regulated through controlling the opening degree of the valve core, the valve core and the ferrule are laminated to form hard sealing, and the sealing effect is good.

In a preferred embodiment, the sealing ring is made of refractory graphite material, and can meet the requirements of a fire test.

In a preferred embodiment, one end of the valve seat is provided with a plurality of pre-tightening grooves, the inner sides of the pre-tightening grooves are provided with pre-tightening springs, the two ends of each pre-tightening spring are respectively pressed against the end wall of each pre-tightening groove and the inner side wall of the first valve body, and the pre-tightening springs are used for pre-tightening, so that connection is tight.

In a preferred embodiment, the outer side of the valve rod is sleeved with a first thrust pad positioned at the lower end of the shaft sleeve, the valve rod is rotatably connected with the shaft sleeve through a self-lubricating bearing, and one end of the fixed supporting shaft is sleeved with a second thrust pad positioned on the inner side of the mounting groove, so that friction can be reduced, and the opening and closing torque of the valve core can be reduced.

In a preferred embodiment, a metal sealing gasket is arranged between the first valve body and the second valve body, and the first valve body and the second valve body are sealed through the metal sealing gasket, so that the assembly positioning is accurate, and the sealing performance is reliable.

In a preferred embodiment, the both sides in gland upper end middle part all integrated into one piece have spacing boss, the fixed cover in the outside of valve rod upper end is equipped with the spacer, the both ends of spacer are located the both sides of two spacing bosses respectively, two the contained angle of spacing boss looks proximal surface is 90 valve rod drive spacer rotation, and the spacer contacts with spacing boss, can be used for opening and close the suggestion.

In a preferred embodiment, the inner flow passage surface and the outer surface of the valve core are sprayed with scouring-resistant and corrosion-resistant alloy, and the valve core can bear high-pressure media, is not deformed, and is corrosion-resistant and wear-resistant.

In a preferred embodiment, the first valve body and the valve seat are arranged in a central symmetry mode, and the first valve body and the valve seat are of a sheet type shell structure, so that the same auxiliary die can be manufactured, and the cost is reduced.

The utility model discloses a technological effect and advantage:

1. the utility model controls the valve core to open and close by rotating the valve rod, has simple structure and convenient installation, can meet the requirement of bidirectional flow by arranging the shearing port, can shear sundries with different opening angles at the same time, and can also be used as a bidirectional step-by-step flow regulation function;

2. the utility model discloses first valve body and second valve body are the same in the structure, and when installation central symmetry arranges that it can make the completion to use with vice mould, has reduced manufacturing cost, has simplified manufacturing process.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

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

Fig. 3 is a partial enlarged view of the point B in fig. 1 according to the present invention.

Fig. 4 is an auxiliary schematic view of the present invention at C in fig. 1.

The reference signs are: the valve comprises a first valve body 1, a second valve body 11, a valve seat 2, a ferrule 3, a hard sealing surface 31, a valve core 4, a shear port 41, a mounting groove 42, a first through hole 5, a fixed support shaft 51, a second through hole 6, a shaft sleeve 61, a valve rod 62, a square block 63, a gland 64, a sealing ring 7, a pre-tightening groove 8, a pre-tightening spring 81, a first thrust pad 9, a second thrust pad 91, a metal sealing pad 100, a limiting boss 110, a positioning sheet 111 and a pollution discharge screw plug 120.

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.

The utility model provides a two-way flow hard-collision hard-regulation type ball valve, which comprises a first valve body 1 and a second valve body 11, wherein the first valve body 1 and the second valve body 11 are detachably connected through bolts, the inner sides of the first valve body 1 and the second valve body 11 are movably sleeved with a valve seat 2, the outer side of one end of the valve seat 2 is sleeved with a sealing ring 7, the outer side of the other end of the valve seat 2 is movably sleeved with a ferrule 3, the inclined wall of the inner side of one end of the ferrule 3 is provided with a hard sealing surface 31, a valve core 4 is arranged inside the first valve body 1 and the valve seat 2, the outer side wall of the valve core 4 is attached to the hard sealing surface 31, the outer side wall of the valve core 4 is provided with a shearing opening 41, one side of the upper end of the first valve body 1 and one side of the lower end of the second valve body 11 are respectively inserted with a pollution discharge plug 120, one side of the, the inboard of first through-hole 5 is pegged graft and is had fixed support shaft 51, the inboard activity grafting of the one end and the lower extreme mounting groove 42 of fixed support shaft 51, fixed support shaft 51 passes through the bolt and can dismantle with first valve body 1 and be connected, second through-hole 6 has been seted up to the upper end of second valve body 11, the inboard of second through-hole 6 is equipped with axle sleeve 61, axle sleeve 61 passes through the bolt and can dismantle with second valve body 11 and be connected, the inboard activity grafting of axle sleeve 61 has valve rod 62, the upper end the inboard bottom fixedly connected with square 63 of mounting groove 42, the middle part and the square 63 grafting of valve rod 62 bottom, the outside cover of valve rod 62 is equipped with the gland 64 that is located first valve body 1 top, gland 64 can dismantle with axle sleeve 61 through the bolt and.

The sealing ring 7 is made of refractory graphite material.

A plurality of pre-tightening grooves 8 are formed in one end of the valve seat 2, pre-tightening springs 81 are arranged on the inner sides of the pre-tightening grooves 8, and two ends of each pre-tightening spring 81 are respectively pressed against the end wall of each pre-tightening groove 8 and the inner side wall of the first valve body 1.

The outer side of the valve rod 62 is sleeved with a first thrust pad 9 positioned at the lower end of the shaft sleeve 61, the valve rod 62 is rotatably connected with the shaft sleeve 61 through a self-lubricating bearing, and one end of the fixed supporting shaft 51 is sleeved with a second thrust pad 91 positioned at the inner side of the mounting groove 42.

A metal gasket 100 is arranged between the first valve body 1 and the second valve body 11, and the first valve body 1 and the second valve body 11 are sealed through the metal gasket 100.

The two sides of the middle part of the upper end of the gland 64 are both integrally formed with limiting bosses 110, the outer side of the upper end of the valve rod 62 is fixedly sleeved with a positioning piece 111, the two ends of the positioning piece 111 are respectively positioned at the two sides of the two limiting bosses 110, and the included angle between the adjacent surfaces of the two limiting bosses 110 is 90 degrees.

And the surface and the outer surface of the inner flow passage of the valve core 4 are sprayed with scouring-resistant and corrosion-resistant alloy.

The first valve body 1 and the valve seat 2 are arranged in a central symmetry manner, and the first valve body 1 and the valve seat 2 are of a sheet type shell structure.

As shown in fig. 1 to 4, the embodiment specifically is: when the valve is used, the valve rod 62 is rotated, the valve rod 62 drives the valve core 4 to rotate through the square block 63, the bottom end of the valve core 4 rotates on the upper end of the fixed supporting shaft 51, so that the adjustment and control of fluid can be realized, the flow can be adjusted by controlling the opening degree of the valve core 4, the valve core 4 and the ferrule 3 are attached to form hard seal, the sealing effect is good, the medium in the first valve body 1 and the second valve body 11 can be cleaned and dispersed through the arrangement of the pollution discharge screw plug 120, the valve rod 62 can conveniently drive the valve core 4 to rotate through the arrangement of the square block 63, the first valve body 1 and the second valve body 11, the fixed supporting shaft 51 and the first valve body 1, the shaft sleeve 61 and the second valve body 11, the gland 64 and the shaft sleeve 61 are all connected through bolts, so that the installation and the disassembly are convenient, namely, the opening and closing of the valve core 4 are controlled through the, the two-way flow ball valve can meet the requirement of two-way flow, can cut sundries at different opening angles, can be used as a first valve body 1 and a second valve body 11 with two-way step-by-step flow adjusting functions, are identical in structure, are arranged in a central symmetry mode during installation, can be manufactured and completed by using the same pair of dies, reduces production cost, simplifies manufacturing process, and specifically solves the problems that the existing ball valve is complex in structure, complex in manufacturing process, low in reliability and short in service life in the actual use process.

The utility model discloses the theory of operation:

referring to the attached drawings 1-4 of the specification, when in use, the valve rod 62 is rotated, the valve rod 62 drives the valve core 4 to rotate through the block 63, and the bottom end of the valve core 4 rotates on the upper end of the fixed support shaft 51, so that the adjustment and control of fluid can be realized, and the flow can be adjusted by controlling the opening degree of the valve core 4.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a two-way flow bumps regulation type ball valve hard, its characterized in that: the valve comprises a first valve body (1) and a second valve body (11), wherein the first valve body (1) and the second valve body (11) are detachably connected through bolts, a valve seat (2) is movably sleeved on the inner sides of the first valve body (1) and the second valve body (11), a sealing ring (7) is sleeved on the outer side of one end of the valve seat (2), a ferrule (3) is movably sleeved on the outer side of the other end of the valve seat (2), a hard sealing surface (31) is arranged on an inclined wall on the inner side of one end of the ferrule (3), a valve core (4) is arranged inside the space between the first valve body (1) and the valve seat (2), the outer side wall of the valve core (4) is attached to the hard sealing surface (31), a shearing port (41) is formed in the outer side wall of the valve core (4), and a pollution discharge plug screw (120) is inserted into one side of the upper end, the valve core is characterized in that mounting grooves (42) are formed in one side of the upper end and the lower end of the valve core (4), a first through hole (5) is formed in the bottom end of the second valve body (11), a fixed support shaft (51) is inserted into the inner side of the first through hole (5), one end of the fixed support shaft (51) is movably inserted into the inner side of the lower end mounting groove (42), the fixed support shaft (51) is detachably connected with the first valve body (1) through a bolt, a second through hole (6) is formed in the upper end of the second valve body (11), a shaft sleeve (61) is arranged on the inner side of the second through hole (6), the shaft sleeve (61) is detachably connected with the second valve body (11) through a bolt, a valve rod (62) is movably inserted into the inner side of the shaft sleeve (61), a square block (63) is fixedly connected to the bottom end of the mounting groove (42), and the middle of, the outside cover of valve rod (62) is equipped with gland (64) that are located first valve body (1) top, gland (64) can be dismantled with axle sleeve (61) through the bolt and be connected.

2. The bi-directional flow hard-on-hard regulating ball valve of claim 1, wherein: the sealing ring (7) is made of refractory graphite material.

3. The bi-directional flow hard-on-hard regulating ball valve of claim 1, wherein: a plurality of pre-tightening grooves (8) are formed in one end of the valve seat (2), a plurality of pre-tightening springs (81) are arranged on the inner sides of the pre-tightening grooves (8), and two ends of each pre-tightening spring (81) are respectively pressed against the end wall of each pre-tightening groove (8) and the inner side wall of the first valve body (1).

4. The bi-directional flow hard-on-hard regulating ball valve of claim 1, wherein: the outside cover of valve rod (62) is equipped with first thrust pad (9) that are located axle sleeve (61) lower extreme, valve rod (62) rotate with axle sleeve (61) through self-lubricating bearing and are connected, the pot head of fixed stay shaft (51) is equipped with second thrust pad (91) that are located mounting groove (42) inboard.

5. The bi-directional flow hard-on-hard regulating ball valve of claim 1, wherein: be equipped with metal packing pad (100) between first valve body (1) and second valve body (11), first valve body (1) and second valve body (11) are sealed through metal packing pad (100).

6. The bi-directional flow hard-on-hard regulating ball valve of claim 1, wherein: the both sides in gland (64) upper end middle part all integrated into one piece have spacing boss (110), the outside fixed cover of valve rod (62) upper end is equipped with spacer (111), the both ends of spacer (111) are located the both sides of two spacing boss (110) respectively, two the contained angle of spacing boss (110) looks proximal surface is 90.

7. The bi-directional flow hard-on-hard regulating ball valve of claim 1, wherein: the surface and the outer surface of the inner flow passage of the valve core (4) are sprayed with scouring-resistant and corrosion-resistant alloy.

8. The bi-directional flow hard-on-hard regulating ball valve of claim 1, wherein: the first valve body (1) and the valve seat (2) are arranged in a central symmetry mode, and the first valve body (1) and the valve seat (2) are of a sheet type shell structure.