CN219139887U

CN219139887U - Ball core angle valve capable of limiting rotation at fixed angle

Info

Publication number: CN219139887U
Application number: CN202223150855.1U
Authority: CN
Inventors: 王勇杰
Original assignee: Ningbo Amico Copper Valves Manufacturing Co Ltd
Current assignee: Ningbo Amico Copper Valves Manufacturing Co Ltd
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-06-06
Anticipated expiration: 2032-11-28

Abstract

The utility model discloses a ball core angle valve with fixed angle rotation limit, which relates to a pipeline valve with high flow use characteristics, and the structure of the pipeline valve comprises a valve body, a ball valve core, a valve rod, a handle and the like, wherein a positioning ring for positioning and mounting is mainly added in a mounting hole at the top of the valve body, the positioning ring is movably sleeved outside the valve rod, and a limit block and a limit groove which are mutually matched are respectively arranged between the valve rod and the positioning ring, so that the limit block and the limit groove form fixed angle rotation start-stop limit of the ball valve core in the mounting hole; obviously, realize the fixed angle rotation spacing of spheroid case through the retainer plate of hidden location installation in the mounting hole, both solved the problem that the collision damage appears easily and leads to spacing inefficacy in the fixed angle rotation limit structure of exposed design, guaranteed the aesthetic property of appearance on the basis that does not influence the high-traffic service characteristic of spheroid core angle valve again, can also reduce the manufacturing degree of difficulty in order to improve production efficiency, also guaranteed the market competition of product.

Description

Ball core angle valve capable of limiting rotation at fixed angle

Technical Field

The utility model relates to an angle valve structure in a pipeline valve, in particular to a ball core angle valve with fixed-angle rotation limiting function.

Background

The ball core angle valve is a common pipeline valve, is mainly used for opening and closing a flowing medium in a pipeline, and is widely applied because of the use characteristic of high flow. At present, the structure of the ball core angle valve basically comprises a valve body, a water outlet hole arranged on the side surface of the valve body, a mounting hole arranged at the top of the valve body, a water inlet hole arranged at the bottom of the valve body and the like, wherein a ball valve core which is rotatably and hermetically arranged is arranged in the mounting hole, and a valve rod which extends out of the top of the valve body and is provided with a handle is arranged at the top of the ball valve core, so that the handle can be used for sealing and opening and closing the water inlet hole and the water outlet hole by driving the ball valve core to rotate through the valve rod; meanwhile, in order to prevent the handle from over-rotating, a fixed-angle rotation limiting structure is usually designed between the handle and the valve body; obviously, the fixed angle rotation limiting structure is an exposed structure, so that limiting failure caused by collision damage easily occurs in actual use, and the exposed fixed angle rotation limiting structure also brings unsightly bulges so as to influence the appearance attractiveness of the ball core angle valve; in addition, the fixed-angle rotation limiting structure with the exposed design can also increase the production and manufacturing difficulty of the valve body and the handle, reduce the production efficiency of the ball core angle valve and bring a certain influence to the market competitiveness of the product.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide the ball core angle valve which is not easy to cause limit failure caused by collision damage, ensures the attractive appearance and reduces the production and manufacturing difficulty so as to improve the production efficiency by carrying out hidden design on the fixed angle rotation limit structure.

The technical problems of the utility model are realized by the following technical scheme:

the utility model provides a spacing ball core angle valve of fixed angle rotation, includes the valve body, sets up the apopore in the valve body side, sets up the mounting hole at the valve body top and sets up the inlet port in the valve body bottom, the mounting hole in be equipped with the spheroid case of rotation seal installation, the top of this spheroid case is equipped with the valve rod that stretches out the valve body top and installs the handle, and the handle is through valve rod drive spheroid case rotation and sealed inlet port and the apopore of opening and close, the mounting hole in be equipped with the retainer plate of location installation, this retainer plate movable sleeve dress is outside the valve rod, and is equipped with stopper and the spacing groove of mutually supporting respectively between valve rod and the retainer plate, and by stopper and spacing groove constitute the fixed angle rotation of spheroid case in the mounting hole and open and close spacingly.

The outer circumferential surface of the valve rod is provided with an outer convex ring which is arranged concentrically, the outer circumferential surface of the outer convex ring is provided with two limiting blocks which are symmetrical in center, the bottom surface of the corresponding positioning ring is provided with a bottom groove which is arranged concentrically, the inner groove wall of the bottom groove is provided with two inner convex blocks which are symmetrical in center, and two limiting grooves are formed between the two inner convex blocks; the outer convex ring is rotationally assembled in the bottom groove, the two limiting blocks are correspondingly assembled in the two limiting grooves respectively, and the two limiting blocks are driven by the handle to slide in the two limiting grooves in a reciprocating manner respectively, and form fixed-angle rotation opening and closing limiting of the ball valve core.

The hole wall of the mounting hole is provided with an axially extending positioning groove, the outer circumferential surface of the positioning ring is correspondingly provided with a positioning block, and the positioning ring is assembled in the positioning groove from top to bottom through the positioning block to form positioning and mounting in the mounting hole.

And a wear-resistant gasket is arranged between the inner bottom surface of the bottom groove of the positioning ring and the top surface of the outer convex ring.

The top of the mounting hole is provided with a compression nut, the compression nut is screwed and pushes the positioning ring to press the ball valve core, and the positioning ring is hidden and sealed in the mounting hole.

A sealing gasket for forming rotary sealing installation of the ball valve core is arranged between the bottom of the ball valve core and the hole bottom of the installation hole.

The installation hole and the water inlet are coaxial through holes, an inner shoulder convex ring is arranged between the installation hole and the water inlet, a space is formed between the installation hole and the water inlet, and the sealing gasket is arranged on the inner shoulder convex ring.

The water outlet hole is internally provided with a sealing pressing ring, the front end of the sealing pressing ring is tightly contacted with the outer surface of the ball valve core, and the rear end of the sealing pressing ring is abutted against by an anti-withdrawal buckle embedded and fixed in the water outlet hole to form locking of the installation position.

The back end of the anti-back buckle is provided with an elastic clamping ring, the wall of the water outlet hole is correspondingly provided with an inner clamping groove, and the anti-back buckle is embedded in the inner clamping groove through the elastic clamping ring to form fixation.

The valve rod is formed by coaxially and upwardly extending the top of the ball valve core in a connected mode, a T-shaped water through hole is formed in the ball valve core, a T-shaped vertical hole of the water through hole is coaxially communicated with the water inlet, a T-shaped horizontal hole of the water through hole and the water outlet are positioned on the same horizontal plane, and the water through hole and the water outlet are sealed and opened by fixed-angle rotation of the ball valve core.

Compared with the prior art, the ball valve core is mainly characterized in that the positioning ring for positioning and mounting is additionally arranged in the mounting hole, the positioning ring is movably sleeved outside the valve rod, and meanwhile, the limiting block and the limiting groove which are mutually matched are respectively arranged between the valve rod and the positioning ring, so that the limiting block and the limiting groove form fixed-angle rotation opening and closing limit of the ball valve core in the mounting hole; obviously, the fixed angle rotation limit of the ball valve core is realized through the positioning ring which is installed in the installation hole in a hidden manner, the problem that the exposed type design fixed angle rotation limit structure is easy to collide and damage to cause limit failure is solved, the appearance attractiveness is ensured on the basis that the high-flow use characteristic of the ball valve core is not influenced, the production and manufacturing difficulty can be reduced, the production efficiency is improved, and the market competitiveness of a product is also ensured.

Drawings

Fig. 1 is a schematic cross-sectional view of the present utility model.

Fig. 2 is a cross-sectional view of the valve body.

Fig. 3 is a schematic structural view of the retainer ring.

Fig. 4 is a schematic structural view of a ball valve core and a valve rod with a conjoined structure.

Fig. 5 is a cross-sectional view of the anti-backup buckle.

Detailed Description

Embodiments of the present utility model will be described in detail below with reference to the drawings.

1-5, 1, 11, water outlet hole, 12, mounting hole, 13, water inlet hole, 14, inner clamping groove, 15, positioning groove, 16, inner shoulder ring, 2, anti-back-up fastener, 21, elastic clamping ring, 3, sealing pressing ring, 4, handle, 5, compression nut, 6, positioning ring, 61, bottom groove, 62, inner lug, 63, limit groove, 64, positioning block, 7, ball valve core, 71, valve rod, 72, water through hole, 73, outer convex ring, 74, limiting block, 8, sealing gasket, 9, screw, 91, top cover and 10, wear-resisting gasket.

The utility model provides a spacing ball core angle valve of fixed angle rotation, as shown in figure 1, relate to a pipeline valve with high-flow service characteristic, its structure includes valve body 1 of integral type structure, this valve body middle part side is equipped with apopore 11, the valve body top is equipped with mounting hole 12, the valve body bottom is equipped with inlet opening 13, and mounting hole 12 and inlet opening 13 are coaxial through-hole, two holes are on same perpendicular axle center line promptly, and be equipped with interior shoulder bead 16 in order to form the interval between mounting hole 12 and inlet opening 13, and the axial lead of apopore 11 just forms perpendicularly with the axial lead of above-mentioned two holes.

The installation hole 12 is internally provided with a ball valve core 7 which is installed in a rotating and sealing way, a sealing gasket 8 which forms the rotating and sealing way of the ball valve core 7 is arranged between the bottom of the ball valve core and the hole bottom of the installation hole 12, the sealing gasket is just arranged on the inner shoulder convex ring 16 and forms full contact, and the outer circumferential surface of the sealing gasket 8 is also clung to the hole wall of the installation hole 12, so that the movement of the ball valve core 7 in the axial direction and the influence on the integral sealing performance of the ball valve core angle valve in the use process are avoided.

The top of the ball valve core 7 is provided with a valve rod 71 which extends out of the top of the valve body 1 and is provided with a handle 4, the valve rod is formed by coaxially and upwardly integrally extending the top of the ball valve core 7 as shown in fig. 4, the top end of the valve rod 71 is in transmission connection with the handle 4 and is fastened by a screw 9, the screw is sealed in the handle 4 by a top cover 91 to be attractive in appearance, the handle 4 can drive the ball valve core 7 to form positive and negative rotation in a mounting hole 12 through the valve rod 71, and a double-channel O-shaped ring is arranged outside the valve rod 71 and is in contact with the wall of the mounting hole 12 to realize dynamic sealing.

The valve rod 71 is provided with the positioning ring 6 which is movably sleeved outside, the positioning ring is simultaneously positioned and installed in the installation hole 12, in particular, the hole wall of the installation hole 12 is provided with the positioning groove 15 which extends axially, the outer circumferential surface of the positioning ring 6 is correspondingly provided with the positioning block 64, the positioning ring 6 can be positioned and installed in the installation hole 12 by being assembled in the positioning groove 15 from top to bottom through the positioning block 64, the hole wall of the installation hole 12 is provided with two positioning grooves 15 which are symmetrical in center, and the outer circumferential surface of the positioning ring 6 is correspondingly provided with the two positioning blocks 64 which are symmetrical in center, so that the positioning and the installation of the positioning ring 6 in the installation hole 12 are better ensured by the assembly of the two groups of positioning blocks and the positioning grooves.

Meanwhile, a limiting block 74 and a limiting groove 63 which are mutually assembled are respectively arranged between the valve rod 71 and the positioning ring 6, namely, as shown in fig. 3 and 4, an outer circumference surface of the valve rod 71 is provided with an outer circumference surface of the outer circumference, two center-symmetrical limiting blocks 74 are arranged on the outer circumference surface of the outer circumference, a bottom groove 61 which is coaxially arranged is correspondingly arranged on the bottom surface of the positioning ring 6, two center-symmetrical inner convex blocks 62 are arranged on the inner groove wall of the bottom groove, and two arc-shaped limiting grooves 63 are just formed between the two inner convex blocks; in this way, the outer convex ring 73 is rotationally assembled in the bottom groove 61, and the two limiting blocks 74 are correspondingly assembled in the two limiting grooves 63 respectively, so that the two limiting blocks 74 can respectively slide back and forth in the two arc-shaped limiting grooves 63 under the drive of the handle 4, and the fixed-angle rotation opening and closing limit of the spherical valve core 7 is formed when the rotation limit of the handle 4 is realized, and the fixed-angle rotation opening and closing limit is realized mainly by adopting the forward and backward rotation of 90 degrees in actual use.

In addition, the wear-resistant gasket 10 is arranged between the inner bottom surface of the bottom groove 61 of the positioning ring 6 and the top surface of the outer convex ring 73 to play a role of wear resistance, and the hand feeling of the handle 4 during rotation can be prevented from being influenced by excessive extrusion in the radial direction between the ball valve core 7 and the valve body 1.

The top of the mounting hole 12 is provided with a compression nut 5 which is in threaded sealing installation through an O-shaped ring, the compression nut is screwed by threads to push the positioning ring 6 to press the ball valve core 7 and apply radial downward force, and meanwhile, the positioning ring 6 is hidden and sealed in the mounting hole 12, namely, a hidden fixed-angle rotation limiting structure is formed.

Obviously, the hidden structure solves the problem that the limit failure is caused by the easy collision damage of the fixed-angle rotation limit structure with the exposed design, ensures the attractive appearance on the basis of not influencing the high-flow use characteristic of the ball core angle valve, reduces the production and manufacturing difficulty, improves the production efficiency and ensures the market competitiveness of the product.

The sealing pressing ring 3 is arranged in the water outlet hole 11, the front end of the sealing pressing ring, namely the right end shown in fig. 1, is tightly contacted with the outer surface of the spherical valve core 7, namely the spherical surface of the spherical valve core 7, the rear end of the sealing pressing ring 3, namely the left end shown in fig. 1, is abutted against by the anti-withdrawal buckle 2 embedded and fixed in the water outlet hole 11 to form locking of the installation position, particularly the rear end of the anti-withdrawal buckle 2 is provided with an elastic clamping ring 21, the hole wall of the water outlet hole 11 is correspondingly provided with an inner clamping groove 14, and the anti-withdrawal buckle 2 is mainly embedded and fixed in the inner clamping groove 14 through the elastic clamping ring 21, so that the outer circumferential surface of the sealing pressing ring 3 is tightly attached to the hole wall of the water outlet hole 11, and the excessive deformation of the sealing pressing ring 3 is effectively avoided and the service life of the sealing pressing ring 3 is effectively influenced.

The ball valve core 7 is internally provided with a T-shaped water through hole 72, a T-shaped vertical hole of the water through hole is coaxially communicated with the water inlet hole 11, and a T-shaped horizontal hole of the water through hole 72 and the water inlet hole 11 are positioned on the same horizontal plane, so that the water through hole 72 and the water outlet hole 11 can be sealed and opened and closed by fixed-angle rotation of the ball valve core 7, and finally, the sealing and opening and closing of the water inlet hole 13 and the water outlet hole 11 are realized.

The foregoing is merely a specific embodiment of the present utility model, and it should be understood by those skilled in the art that any structural design equivalent to the embodiment is included in the scope of the present utility model.

Claims

1. The utility model provides a spacing ball core angle valve of fixed angle rotation, includes valve body (1), sets up in outlet port (11) of valve body side, sets up mounting hole (12) at valve body top and setting up inlet port (13) at the valve body bottom, mounting hole (12) in be equipped with ball case (7) of rotation seal installation, the top of this ball case is equipped with valve rod (71) that stretches out valve body (1) top and install handle (4), and handle (4) are through valve rod (71) drive ball case (7) rotation and seal and open and close inlet port (13) and outlet port (11), characterized by mounting hole (12) in be equipped with locating ring (6) of location installation, this locating ring movable sleeve is outside valve rod (71), and be equipped with stopper (74) and spacing groove (63) of mutually supporting between valve rod (71) and the locating ring (6) respectively, and by stopper (74) and spacing groove (63) constitute the fixed angle rotation of ball case (7) and open and close spacing in mounting hole (12).

2. The ball core angle valve with fixed angle rotation limit according to claim 1, characterized in that the outer circumference of the valve rod (71) is provided with a concentric outer circle (73), the outer circumference of the outer circle is provided with two center symmetry limiting blocks (74), the bottom surface of the positioning ring (6) is provided with a concentric bottom groove (61), the inner groove wall of the bottom groove is provided with two center symmetry inner protruding blocks (62), and two limiting grooves (63) are formed between the two inner protruding blocks; the outer convex ring (73) is rotationally assembled in the bottom groove (61), the two limiting blocks (74) are correspondingly assembled in the two limiting grooves (63) respectively, the two limiting blocks (74) are driven by the handle (4) to slide in the two limiting grooves (63) in a reciprocating manner respectively, and fixed-angle rotation opening and closing limiting of the spherical valve core (7) is formed.

3. The fixed-angle rotation limiting ball core angle valve according to claim 1, wherein the wall of the mounting hole (12) is provided with an axially extending positioning groove (15), a positioning block (64) is correspondingly arranged on the outer circumferential surface of the positioning ring (6), and the positioning ring (6) is assembled in the positioning groove (15) from top to bottom through the positioning block (64) to form positioning installation in the mounting hole (12).

4. The ball core angle valve with fixed angle rotation limit according to claim 2, wherein a wear-resistant gasket (10) is arranged between the inner bottom surface of the bottom groove (61) of the positioning ring (6) and the top surface of the outer convex ring (73).

5. The ball core angle valve with the fixed angle rotation limiting function according to claim 2, wherein a compression nut (5) is arranged at the top of the mounting hole (12), the compression nut is screwed and pushes the positioning ring (6) to press the ball core (7), and the positioning ring (6) is hidden and sealed in the mounting hole (12).

6. The ball core angle valve with fixed angle rotation limit according to claim 2, characterized in that a sealing gasket (8) for forming the rotary sealing installation of the ball core (7) is arranged between the bottom of the ball core (7) and the hole bottom of the installation hole (12).

7. The ball core angle valve with fixed angle rotation limit according to claim 6, wherein the mounting hole (12) and the water inlet hole (13) are coaxial through holes, an inner shoulder convex ring (16) is arranged between the mounting hole (12) and the water inlet hole (13) and forms a space, and the sealing gasket (8) is arranged on the inner shoulder convex ring (16).

8. The ball core angle valve with fixed angle rotation limit according to claim 1, characterized in that the water outlet hole (11) is internally provided with a sealing pressing ring (3), the front end of the sealing pressing ring is tightly contacted with the outer surface of the ball core (7), and the rear end of the sealing pressing ring (3) is propped against by an anti-withdrawal buckle (2) embedded and fixed in the water outlet hole (11) to form locking of the installation position.

9. The ball core angle valve with fixed angle rotation limit according to claim 8, characterized in that the back end of the anti-back-up buckle (2) is provided with an elastic clamping ring (21), the wall of the water outlet hole (11) is provided with an inner clamping groove (14), and the anti-back-up buckle (2) is embedded in the inner clamping groove (14) through the elastic clamping ring (21) to form fixation.

10. The ball core angle valve with the fixed angle rotation limiting function according to claim 1, characterized in that the valve rod (71) is formed by extending the top of the ball core (7) coaxially and upwards in a connected mode, a T-shaped water through hole (72) is formed in the ball core (7), a T-shaped vertical hole of the water through hole is coaxially communicated with the water inlet hole (13), a T-shaped transverse hole of the water through hole and the water outlet hole (11) are located on the same horizontal plane, and the water through hole (72) and the water outlet hole (11) are sealed and opened and closed by the fixed angle rotation of the ball core (7).