CN115143313A

CN115143313A - Double-ball hard sealing ball valve

Info

Publication number: CN115143313A
Application number: CN202210978746.4A
Authority: CN
Inventors: 周娇; 胡冰涛
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-08-16
Filing date: 2022-08-16
Publication date: 2022-10-04

Abstract

The invention discloses a double-ball hard sealing ball valve which comprises a left ball valve, wherein a right ball valve is arranged on one side of the left ball valve, four groups of mounting holes are formed in one side of each of the left ball valve and the right ball valve, connecting assemblies are arranged on the outer portion of the right ball valve, close to the upper side and the lower side, the inner portion of the left ball valve is provided with a filtering assembly, dismounting assemblies are arranged inside and on one side of the filtering assembly, each connecting assembly comprises a mounting block fixedly connected to the outer portion of the right ball valve, mounting grooves are formed in the inner portions of the front side and the rear side of each mounting block, and a rotating rod is movably arranged in the middle of each mounting block. According to the double-ball hard seal ball valve, the left ball valve and the right ball valve are disassembled or fastened by using the connecting assembly and the filtering assembly, but the sealing performance of the left ball valve and the right ball valve is not influenced, and then the brush and the filter screen can be disassembled to deeply clean the surface and dead corners due to the detachability of the integral structure.

Description

Double-ball hard sealing ball valve

Technical Field

The invention relates to the technical field of hard seal ball valves, in particular to a double-ball hard seal ball valve.

Background

The ball valve sealing pair (i.e. the valve seat sealing surface and the ball body sealing surface) is matched by materials into a metal-to-metal ball valve. The ball valve has the structural forms of a floating ball type and a fixed ball type, and the connection forms are flange connection, welding connection and threaded connection.

The patent numbers are: the invention of CN202010878084.4 discloses a double-ball hard seal ball valve, which comprises a left ball valve, a connecting rod, a right ball valve and a movable valve, wherein a through hole is formed in the bottom of the left ball valve, a metal sleeve is connected to the left inner wall of the left ball valve through a bearing, a filter screen is clamped on the outer side of the connecting rod, a glue bar is fixed on the right side of the connecting rod, a collection frame is clamped on the inner side of the bottom of the left ball valve, a sealing ring is adhered to the right side of the left ball valve, a spring is arranged in the movable valve, a fixing rod is welded to the right end of the spring, a threaded rod is connected to the inner side of the outer side of the right ball valve in a threaded mode, and a bevel gear is fixed on the right side of the threaded rod. This two ball hard seal ball valves installs and collects the frame, and the impurity that comes down through the brush can drop inside collecting the frame, collects frame and left ball valve inboard bottom and constitutes block structure, and the hand is buckled the pull ring and will be fixed and pull out the stopper of collecting the frame bottom this moment, then just can wash collecting the frame, and the impurity in the fluid of this structure being convenient for has thoroughly been clear away, has increased the practicality.

However, the invention still has the disadvantages that, for example, the movable shaft of the device is arranged to penetrate through the inside of the right ball valve, which can affect the sealing effect of the right ball valve to a certain extent, and when the pressure of liquid entering the inside of the left ball valve is higher, the sealing performance of the plug which can be manually disassembled at the lower side of the left ball valve is poorer, and even the plug can fall off.

Disclosure of Invention

The invention mainly aims to provide a double-ball hard seal ball valve which can effectively solve the problems in the background technology.

In order to achieve the purpose, the invention adopts the technical scheme that:

the utility model provides a two ball hard seal ball valves, includes left ball valve, one side of left side ball valve is provided with right ball valve, four group's mounting holes have all been seted up with one side respectively of right ball valve to left side ball valve, coupling assembling is all installed to both sides about the outside of right side ball valve is close to, the internally mounted of left side ball valve has the filtering component, the dismantlement subassembly is installed to the inside and one side of filtering component, coupling assembling includes fixed connection at the outside installation piece of right ball valve, the mounting groove has all been seted up to the front and back side inside of installation piece, the intermediate position activity of installation piece is provided with the dwang, the outside of dwang is close to the equal fixedly connected with first bevel gear of the inside position of two sets of mounting grooves, and is two sets of the equal swing joint in one side of first bevel gear has the second bevel gear, and is two sets of the equal fixedly connected with threaded rod in one end of second bevel gear, and two sets of install the bearing between the junction of threaded rod and installation piece, the front end fixedly connected with handle of dwang.

Preferably, the dwang presents structure as an organic whole with the handle, first bevel gear and second bevel gear intermeshing, the threaded rod runs through one side that left ball valve, right ball valve are close to each other, the threaded rod is threaded connection with left ball valve, the outer lane and the installation piece of bearing are fixed connection, the inner circle and the threaded rod of bearing are fixed connection.

Preferably, the filter assembly includes the solid fixed ring of fixed connection inside the left ball valve, one side of solid fixed ring is provided with the filter screen, the first sealing ring of the equal fixedly connected with in both ends of filter screen, four sets of spacing grooves have been seted up in the outside of filter screen, the one end laminating of first sealing ring has the dismouting ring, the equal activity in the position of being close to four sets of spacing grooves between dismouting ring and the solid fixed ring is provided with the screw, the central point of filter screen puts swing joint has the connecting rod, one side fixedly connected with stirring frame of connecting rod, the one end fixedly connected with brush of filter screen is close to in the outside of connecting rod.

Preferably, the filter screen block is in the inboard position of four groups of screws, and four groups the screw is located the inboard of four groups of spacing grooves respectively, and four groups the screw is threaded connection with solid fixed ring, the right angle shape of stirring frame position, the brush is laminated with the one end of filter screen respectively.

Preferably, the fixed block that the dismantlement subassembly cup jointed at the opposite side position of connecting rod including the activity, the draw-in groove has been seted up to the inside of fixed block, the spread groove has been seted up to the inside of connecting rod, the inside of spread groove is provided with the control lever, the one end fixedly connected with button piece of control lever, one side position that the inside of spread groove is close to the control lever is provided with the movable block, square groove has been seted up to one side that the inside of connecting rod is close to the spread groove, square groove's inboard is provided with two sets of fixture blocks, the outside of connecting rod is provided with the opening to the position of two sets of fixture blocks and draw-in groove, and is two sets of there is the fixedly connected with spring respectively between one side upper end of fixture block and the upper and lower side inner wall of square groove.

Preferably, one side of control lever is the screw thread setting, the screw thread department and the connecting rod of control lever are threaded connection, the movable block is swing joint with the spread groove, one side of movable block is three hornblocks, one side of three hornblocks of movable block is located between two sets of fixture blocks, fixture block and square groove are sliding connection, fixture block and opening, draw-in groove looks adaptation.

Preferably, a water wheel is fixedly mounted inside one side of the left ball valve, and a second sealing ring is arranged between the left ball valve and the right ball valve.

Preferably, the inner rotating shaft of the water wheel is fixedly connected with the fixed block.

Compared with the prior art, the invention has the following beneficial effects:

1. rotate two sets of handles simultaneously and can drive fixed connection's dwang and rotate to and the rotation of threaded rod, and the threaded rod is threaded connection with left ball valve, so dismantle and fasten left ball valve, right ball valve, the connected mode of this structure of comparing can not influence the leakproofness of right ball valve.

2. The use of cooperation coupling assembling is dismantled left ball valve, right ball valve, dismantles four screws of group again, alright wash the inside impurity of left ball valve, can not influence the leakproofness of left ball valve.

3. Holistic dismantled and assembled structure to the dismantlement of connecting rod and brush and filter screen, clears up the impurity on its surface or the impurity at dead angle or the change of filter screen, carries out the degree of depth clearance, improvement clearance.

Drawings

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

FIG. 2 is a schematic view of a connection assembly of the present invention in partial cutaway configuration;

FIG. 3 is a schematic view of the internal structure of the present invention in partial section;

FIG. 4 is an enlarged view of part A of the present invention;

FIG. 5 is a schematic view of the filter assembly of the present invention;

FIG. 6 is a schematic view of a filter assembly of the present invention in partial cross-section;

FIG. 7 is a partial cutaway structural schematic view of the detachment assembly of the present invention;

FIG. 8 is an enlarged view of the part B of the present invention.

In the figure: 1. a left ball valve; 2. a right ball valve; 3. mounting holes; 4. a connecting assembly; 41. mounting blocks; 42. mounting grooves; 43. rotating the rod; 44. a first bevel gear; 45. a second bevel gear; 46. a threaded rod; 47. a bearing; 48. a handle; 5. a filter assembly; 51. a fixing ring; 52. a filter screen; 53. a first seal ring; 54. a limiting groove; 55. disassembling and assembling the ring; 56. a screw; 57. a connecting rod; 58. a stirring frame; 59. a brush; 6. disassembling the assembly; 61. a fixed block; 62. a card slot; 63. connecting grooves; 64. a control lever; 65. a button block; 66. a movable block; 67. a square groove; 68. a clamping block; 69. a spring; 7. a water wheel; 8. a second seal ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations and positional relationships that are relative to each other, are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or components must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.

Referring to fig. 1-8, an embodiment of the present invention: the utility model provides a two ball hard seal ball valves, including left ball valve 1, one side of left ball valve 1 is provided with right ball valve 2, four groups of mounting holes 3 have all been seted up to one side respectively of left ball valve 1 and right ball valve 2, coupling assembling 4 is all installed to both sides about the outside of right ball valve 2 is close to, the internally mounted of left ball valve 1 has filtering component 5, the inside and one side of filtering component 5 are installed and are dismantled the subassembly 6, coupling assembling 4 includes fixed connection at the outside installation piece 41 of right ball valve 2, installation groove 42 has all been seted up to the front and back side inside of installation piece 41, the intermediate position activity of installation piece 41 is provided with dwang 43, the outside of dwang 43 is close to the equal fixedly connected with first bevel gear 44 in inside position of two sets of installation groove 42, the equal swing joint in one side of two sets of first bevel gear 44 has second bevel gear 45, the equal fixedly connected with threaded rod 46 in one end of two sets of second bevel gear 45, install bearing 47 between the junction of two sets of threaded rod 46 and installation piece 41, the front end fixedly connected with handle 48 of dwang 43, first bevel gear 43 and handle 48 present structure as an organic whole, first bevel gear 44 and second bevel gear 45 intermeshing, left threaded rod 46 runs through left threaded rod 1, the threaded rod is connected with the inner circle of ball valve 46, the fixed connection of bearing 47, the inner circle of left ball valve 46, the fixed connection of bearing is connected with bearing 47, the bearing 47.

With fluid pipe sealing connection in one side of left ball valve 1, rotate two sets of handles 48 simultaneously again and drive fixed connection's dwang 43 and rotate, and two sets of first bevel gear 44 of fixed connection on the dwang 43 rotate, and first bevel gear 44 and second bevel gear 45 intermeshing, so make two sets of second bevel gear 45 drive fixed connection's threaded rod 46 rotate, and threaded rod 46 is threaded connection with left ball valve 1, so rotate two sets of handles 48 simultaneously and can be with left ball valve 1, right ball valve 2 is dismantled and the fastening, compare the connected mode of this structure, can not influence right ball valve 2's leakproofness.

The filter assembly 5 comprises a fixing ring 51 fixedly connected inside the left ball valve 1, a filter screen 52 is arranged on one side of the fixing ring 51, first sealing rings 53 fixedly connected to two ends of the filter screen 52, four sets of limiting grooves 54 are formed in the outer side of the filter screen 52, a dismounting ring 55 is attached to one end of each first sealing ring 53, screws 56 are movably arranged between the dismounting ring 55 and the fixing ring 51 in positions close to the four sets of limiting grooves 54, a connecting rod 57 is movably connected to the center of the filter screen 52, a stirring frame 58 fixedly connected to one side of the connecting rod 57, one end of the outer side of the connecting rod 57 is close to a brush 59 fixedly connected to one end of the filter screen 52, the filter screen 52 is clamped on the inner side of the four sets of screws 56, the four sets of screws 56 are respectively located on the inner sides of the four sets of limiting grooves 54, the four sets of screws 56 are in threaded connection with the fixing ring 51, the stirring frame 58 is in a right-angle shape, and the brush 59 is attached to one end of the filter screen 52.

When fluid gets into the inside of left ball valve 1, drive the rotation of water wheels 7, and the axis of rotation of water wheels 7 drives fixed connection's fixed block 61 and connecting rod 57, stirring frame 58 is rotatory, and connecting rod 57's rotation can drive fixed connection's brush 59 rotatory, and brush 59 laminating is in the one end of filter screen 52, so can be to filter screen 52 clean, and filter screen 52 carries out filterable effect, the inside impurity of fluid has been avoided blockking up whole ball valve, in addition through two sets of stirring frame 58's rotation, further make the inside of the more even inflow right ball valve 2 after the fluid stirring, and when later stage stops, left ball valve 1 is with the use of cooperation coupling assembling part 4, right ball valve 2 is dismantled, dismantle four groups screw 56 again, alright dismantle rings 55 and filter screen 52, wash the inside impurity of left ball valve 1, and the change or the clearance of filter screen 52, can not influence left ball valve 1's leakproofness in comparison.

The disassembly component 6 comprises a fixed block 61 movably sleeved at the other side position of the connecting rod 57, a clamping groove 62 is formed in the fixed block 61, a connecting groove 63 is formed in the connecting rod 57, a control rod 64 is arranged in the connecting groove 63, one end of the control rod 64 is fixedly connected with a button block 65, a movable block 66 is arranged in one side position, close to the control rod 64, of the connecting groove 63, a square groove 67 is formed in one side, close to the connecting groove 63, of the connecting rod 57, two sets of clamping blocks 68 are arranged on the inner side of the square groove 67, openings are formed in the outer side of the connecting rod 57 and the positions of the two sets of clamping blocks 68 and the clamping groove 62, springs 69 are fixedly connected between the upper end of one side of the two sets of clamping blocks 68 and the inner wall of the upper side and the lower side of the square groove 67 respectively, one side of the control rod 64 is in threaded connection with the connecting rod 57, the movable blocks 66 and the connecting groove 63 are movably connected, one side of the movable blocks 66 is a triangular block, one side of the movable block 66 is located between the two sets of clamping blocks 68 and the square groove 67, the clamping grooves are in sliding connection, the clamping block 68 and the clamping groove 62 are in a sliding connection mode, and the opening, and the clamping groove 62 are matched with each other.

Control rod 64 through rotating button piece 65 and driving fixed connection rotates, and the screw thread that one side of control rod 64 set up is threaded connection with connecting rod 57, so make control rod 64 remove to the inboard of connecting rod 57, the movable block 66 that promotes removes, and movable block 66 can promote two sets of fixture blocks 68 and slide from top to bottom in the inside of square groove 67, go into respectively in the corresponding draw-in groove 62, compress two sets of square grooves 67 simultaneously, thereby realize the fixed to connecting rod 57, the anti-knob piece 65 of the same reason, spring 69's elasticity just can promote two sets of fixture blocks 68 and leave the inside of two sets of draw-in grooves 62, alright with the dismantlement to connecting rod 57 and brush 59, clear up its surperficial impurity.

A water wheel 7 is fixedly mounted inside one side of the left ball valve 1, a second sealing ring 8 is arranged between the left ball valve 1 and the right ball valve 2, and an internal rotating shaft of the water wheel 7 is fixedly connected with the fixing block 61.

The second sealing ring 8 arranged between the left ball valve 1 and the right ball valve 2 strengthens the sealing performance between the two connections.

The working principle is as follows:

when in use, firstly, the oil liquid pipe is connected to one side of the left ball valve 1 in a sealing manner, then two sets of handles 48 are simultaneously rotated to drive the fixedly connected rotating rod 43 to rotate, and two sets of first bevel gears 44 fixedly connected to the rotating rod 43 rotate, and the first bevel gears 44 are meshed with the second bevel gears 45, so that two sets of second bevel gears 45 drive the fixedly connected threaded rods 46 to rotate, and the threaded rods 46 are in threaded connection with the left ball valve 1, so that the left ball valve 1 and the right ball valve 2 can be disassembled and fastened by simultaneously rotating the two sets of handles 48, compared with the connection mode of the structure, the sealing performance of the right ball valve 2 cannot be influenced, when oil enters the left ball valve 1, the water wheel 7 is driven to rotate, and then the rotating shaft of the water wheel 7 drives the fixedly connected fixed block 61, the connecting rod 57 and the stirring frame 58 to rotate, and the rotation of the connecting rod 57 can drive the fixedly connected brush 59 to rotate, the brush 59 is attached to one end of the filter screen 52, so that the filter screen 52 can be cleaned, the filter screen 52 can perform a filtering function, the situation that impurities in oil block the whole ball valve is avoided, in addition, the oil can more uniformly flow into the right ball valve 2 after being stirred through the rotation of the two groups of stirring frames 58, and when the ball valve is stopped in the later period, the left ball valve 1 and the right ball valve 2 are disassembled by matching with the use of the connecting assembly 4, then the four groups of screws 56 are disassembled, the disassembling ring 55 and the filter screen 52 can be disassembled, the impurities in the left ball valve 1 are washed, the replacement or the cleaning of the filter screen 52 is realized, the sealing performance of the left ball valve 1 cannot be influenced in comparison, finally, the control rod 64 fixedly connected is driven to rotate through the rotating button block 65, and the thread arranged on one side of the control rod 64 is in threaded connection with the connecting rod 57, so make the control lever 64 to the inboard removal of connecting rod 57, the movable block 66 that promotes removes, and movable block 66 can promote two sets of fixture blocks 68 and slide from top to bottom in the inside of square groove 67, go into respectively in the draw-in groove 62 that corresponds, compress two sets of square grooves 67 simultaneously, thereby realize the fixed to connecting rod 57, the button 65 is turned over in the same principle, spring 69's elasticity just can promote two sets of fixture blocks 68 and leave the inside of two sets of draw-in grooves 62, alright in order to the dismantlement to connecting rod 57 and brush 59, clear up its surperficial impurity.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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 two ball hard seal ball valves, includes left ball valve (1), its characterized in that: one side of left side ball valve (1) is provided with right ball valve (2), four group's mounting hole (3) have all been seted up with one side respectively of right ball valve (2) in left side ball valve (1), coupling assembling (4) have all been installed to both sides about being close to in the outside of right side ball valve (2), the internally mounted of left side ball valve (1) has filtering component (5), the removal subassembly (6) is installed with one side in the inside of filtering component (5), coupling assembling (4) are including fixed connection at the outside installation piece (41) of right side ball valve (2), mounting groove (42) have all been seted up to the front and back side inside of installation piece (41), the intermediate position activity of installation piece (41) is provided with dwang (43), the outside of dwang (43) is close to the equal fixedly connected with first bevel gear (44) of the inside position of two sets of mounting groove (42), and is two sets of the equal swing joint in one side of first bevel gear (44) has second bevel gear (45), and is two sets of the equal fixedly connected with threaded rod (46) of one end, two sets of the equal fixedly connected with threaded rod (47) between the junction of threaded rod (46) and installation piece (41), the preceding end fixed connection has handle (48).

2. A double-ball hard-seal ball valve as defined in claim 1, wherein: dwang (43) and handle (48) present structure as an organic whole, first bevel gear (44) and second bevel gear (45) intermeshing, threaded rod (46) run through one side that left ball valve (1), right ball valve (2) are close to each other, threaded rod (46) are threaded connection with left ball valve (1), the outer lane and the installation piece (41) of bearing (47) are fixed connection, the inner circle and threaded rod (46) of bearing (47) are fixed connection.

3. A double-ball hard-seal ball valve as claimed in claim 1, wherein: the utility model discloses a filter assembly, including filter assembly (5) fixed ring (51) of fixed connection in left ball valve (1) inside, one side of fixed ring (51) is provided with filter screen (52), the first sealing ring (53) of the equal fixedly connected with in both ends of filter screen (52), four sets of spacing grooves (54) have been seted up in the outside of filter screen (52), the one end laminating of first sealing ring (53) has assembly ring (55), the equal activity in position that is close to four sets of spacing grooves (54) between assembly ring (55) and fixed ring (51) is provided with screw (56), the central point of filter screen (52) puts swing joint has connecting rod (57), one side fixedly connected with agitator (58) of connecting rod (57), the one end fixedly connected with brush (59) that filter screen (52) are close to the outside of connecting rod (57).

4. A double-ball hard-seal ball valve according to claim 3, wherein: the filter screen (52) is clamped at the inner side positions of four groups of screws (56), the screws (56) are respectively positioned at the inner sides of four groups of limiting grooves (54), the screws (56) are in threaded connection with the fixing ring (51), the stirring frame (58) is in a right-angle shape, and the brush (59) is respectively attached to one end of the filter screen (52).

5. A double-ball hard-seal ball valve as defined in claim 1, wherein: dismantle subassembly (6) and cup joint fixed block (61) at the other side position of connecting rod (57) including the activity, draw-in groove (62) have been seted up to the inside of fixed block (61), connecting groove (63) have been seted up to the inside of connecting rod (57), the inside of connecting groove (63) is provided with control lever (64), one end fixedly connected with button piece (65) of control lever (64), one side position that the inside of connecting groove (63) is close to control lever (64) is provided with movable block (66), one side that the inside of connecting rod (57) is close to connecting groove (63) has seted up square groove (67), the inboard of square groove (67) is provided with two sets of fixture block (68), the outside of connecting rod (57) is provided with the opening, two sets of to the position of two sets of fixture block (68) and draw-in groove (62), and is two sets of respectively fixedly connected with spring (69) between one side upper end of fixture block (68) and the upper and lower side inner wall of square groove (67).

6. A double-ball hard-seal ball valve according to claim 5, wherein: one side of control lever (64) is the screw thread setting, the screw thread department and connecting rod (57) of control lever (64) are threaded connection, movable block (66) are swing joint with connecting groove (63), one side of movable block (66) is three hornblocks, one side of three hornblocks of movable block (66) is located between two sets of fixture blocks (68), fixture block (68) are sliding connection with square groove (67), fixture block (68) and opening, draw-in groove (62) looks adaptation.

7. A double-ball hard-seal ball valve as defined in claim 1, wherein: a water wheel (7) is fixedly mounted inside one side of the left ball valve (1), and a second sealing ring (8) is arranged between the left ball valve (1) and the right ball valve (2).

8. A double-ball hard-seal ball valve as claimed in claim 7, wherein: the inner rotating shaft of the water wheel (7) is fixedly connected with the fixing block (61).