CN218543244U

CN218543244U - All-welded ball valve convenient to dismantle

Info

Publication number: CN218543244U
Application number: CN202222653687.1U
Authority: CN
Inventors: 翁一燊; 胡轩溢
Original assignee: Wenzhou Guoqiu Valve Co ltd
Current assignee: Wenzhou Guoqiu Valve Co ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-02-28
Anticipated expiration: 2032-09-30

Abstract

The utility model belongs to the technical field of ball valves, in particular to an all-welded ball valve convenient to disassemble, which comprises a ball valve body, a valve rod and a mounting seat; a valve rod is arranged at the top of the ball valve body; the top of the valve rod is fixedly connected with a mounting seat; a valve seat is arranged at the top of the mounting seat; the tip of placing the disk seat at the mount pad through the staff picking up the disk seat, press down and make the disk seat drive the inside that the fixture block inserted the draw-in groove, the extrusion locking piece, make the locking piece receive the inside extrusion first spring of flexible to the cavity of power and produce elasticity, when the locked groove aligns the cavity, first spring produces elasticity and promotes the inside that the locking piece inserted the locked groove and carries out the joint fixed, make valve rod and disk seat fixed together, and then it fixes to have solved traditional use bolt, because moist environment leads to the bolt corrosion to appear, cause the problem that the pine takes off to appear in valve rod and disk seat.

Description

All-welded ball valve convenient to dismantle

Technical Field

The utility model relates to a ball valve technical field specifically is an all-welded ball valve convenient to dismantle.

Background

The all-welded ball valve is formed by the carbonized Teflon sealing ring and the disk spring, so the all-welded ball valve has strong adaptability to the change of pressure and temperature, and the problem of sliding unloading can not occur in the range of the marked pressure and temperature.

The ball is pressed tightly on the valve seat under the mechanical pressure action of the valve rod; when the hand wheel is rotated anticlockwise, the valve rod moves reversely, and the angular plane at the bottom of the valve rod enables the ball to be separated from the valve seat; the valve rod is continuously lifted and interacts with the guide pin in the spiral groove of the valve rod, so that the ball body starts to rotate without friction; until the valve rod is lifted to the limit position to the full-open position, the ball body is rotated to the full-open position

Among the present prior art, in the all-welded ball valve use, fixed connection is carried out through the bolt to valve rod and disk seat, uses down at the all-welded ball valve in humid environment for a long time, and the bolt can receive humid environment's influence, appears the problem of corrosion, leads to being connected between disk seat and the valve rod not hard up problem to appear, consequently, proposes a convenient to detach's all-welded ball valve to above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

In order to compensate the not enough of prior art, solve the problem among the above-mentioned background art, the utility model provides an all-welded ball valve convenient to dismantle.

The utility model provides a technical scheme that its technical problem adopted is: the utility model relates to an all-welded ball valve convenient to disassemble, which comprises a ball valve body, a valve rod and a mounting seat; a valve rod is arranged at the top of the ball valve body; the top of the valve rod is fixedly connected with a mounting seat; the top of the mounting seat is provided with a valve seat; a hand wheel is arranged at the end part of the valve seat; a clamping groove is formed in the mounting seat; a cavity is formed in the mounting seat and is positioned at the side end of the clamping groove; the inner side wall of the cavity is connected with a locking block in a sliding manner; a first spring is fixedly connected to the side end of the locking block, and the other end of the first spring is fixedly connected to the inner side wall of the cavity; a clamping block is fixedly connected to the bottom of the valve seat; and a locking groove is formed in the clamping block.

Preferably, a pull rod is fixedly connected to the side end of the locking block, and the pull rod is connected to the cavity and the mounting seat in a sliding manner; a pull handle is fixedly connected with the side end of the pull rod.

Preferably, the inner side wall of the clamping groove is fixedly connected with a limiting block; a sliding groove is formed in the valve seat; the inner side wall of the sliding groove is hinged with a limiting rod; a second spring is fixedly connected to the side end of the limiting rod, and the other end of the second spring is fixedly connected to the inner side wall of the sliding groove; and a power unit is arranged in the clamping block.

Preferably, the power unit comprises a skateboard; a sliding plate is connected inside the lock groove in a sliding manner; an air bag is fixedly connected inside the locking groove and is positioned at the side end of the sliding plate; a sliding cavity is formed in the fixture block; a push pipe is fixedly connected inside the sliding cavity; the inner side wall of the push pipe is connected with a push plate in a sliding manner; a push rod is fixedly connected to the side end of the push plate, and the other end of the push rod is hinged to the side wall of the limiting rod; the end part of the air bag is fixedly connected with an air pipe, and the other end of the air pipe is fixedly connected with the bottom of the push pipe.

Preferably, the inside of the fixture block is provided with sliding grooves which are symmetrically arranged; the inner side wall of the sliding groove is hinged with limiting rods and is symmetrically arranged; the end part of the locking block is in a half arc shape.

The utility model discloses an useful part lies in:

1. the utility model discloses a staff takes up the disk seat and places the tip at the mount pad with the disk seat, press down downwards and make the disk seat drive the inside that the fixture block inserted the draw-in groove, the extrusion locking piece, make the locking piece receive the inside first spring of extrusion of power flexible to the cavity and produce elasticity, when the locked groove aligns the cavity, first spring produces elasticity and promotes the inside that the locking piece inserted the locked groove and carries out the joint fixed, make valve rod and disk seat fixed together, and then solved traditional use bolt and fixed, because moist environment leads to the bolt corrosion to appear, cause the problem that valve rod and disk seat appear the pine and take off.

2. The utility model discloses when needs dismantle the valve rod and the disk seat and overhaul, draw the drive pull rod to the side through the pulling and slide for the valve rod drives the inside that the locking piece stretches out and draws back to the cavity, then upwards stimulates the disk seat through the staff, takes off the disk seat, overhauls and changes, through this structure, has realized the effect of convenient to detach and installation.

Drawings

In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly introduced, obviously, the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a perspective view of a first embodiment;

FIG. 2 is a cross-sectional view of the first embodiment;

FIG. 3 is an enlarged view taken at A in FIG. 2;

FIG. 4 is an enlarged view of FIG. 2 at B;

fig. 5 is a schematic structural view of the wear pad of the second embodiment.

In the figure: 1. a ball valve body; 21. a valve stem; 22. a mounting base; 23. a valve seat; 24. a hand wheel; 25. a clamping block; 26. locking the groove; 27. a card slot; 28. a cavity; 29. a locking block; 291. a first spring; 31. a pull rod; 32. pulling a handle; 41. a chute; 42. a limiting rod; 43. a second spring; 44. a slide plate; 45. an air bag; 46. an air tube; 47. pushing the tube; 48. pushing a plate; 49. a push rod; 51. a limiting block; 6. a wear pad.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 efforts belong to the protection scope of the present invention.

Example one

Referring to fig. 1-4, an all-welded ball valve convenient to disassemble includes a ball valve body 1, a valve stem 21 and a mounting seat 22; a valve rod 21 is arranged at the top of the ball valve body 1; the top of the valve rod 21 is fixedly connected with a mounting seat 22; a valve seat 23 is arranged at the top of the mounting seat 22; a hand wheel 24 is arranged at the end part of the valve seat 23; a clamping groove 27 is formed in the mounting seat 22; a cavity 28 is formed in the mounting seat 22 and is located at the side end of the clamping groove 27; the inner side wall of the cavity 28 is connected with a locking block 29 in a sliding way; a first spring 291 is fixedly connected to the side end of the locking block 29, and the other end of the first spring 291 is fixedly connected to the inner side wall of the cavity 28; a clamping block 25 is fixedly connected to the bottom of the valve seat 23; a locking groove 26 is formed in the fixture block 25; during operation, in the all-welded ball valve use, valve rod 21 and valve seat 23 carry out fixed connection through the bolt, under the all-welded ball valve uses for a long time in moist environment, the bolt can receive moist environment's influence, the problem of corrosion appears, lead to being connected between valve seat 23 and the valve rod 21 the not hard up problem appears, when needs use ball valve body 1, take up the tip that valve seat 23 placed valve seat 23 at mount pad 22 through the staff, press down and make valve seat 23 drive the inside that fixture block 25 inserted draw-in groove 27, extrude locking block 29, make locking block 29 receive the inside extrusion first spring 291 of flexible cavity 28 of power and produce elasticity, when locking groove 26 aligns cavity 28, first spring 291 produces elasticity and promotes locking block 29 and insert the inside of locking groove 26 and carry out the joint fixed, make valve rod 21 and valve seat 23 be fixed together, and then solved traditional use bolt and fixed, because moist environment leads to the bolt to appear, cause valve rod 21 and valve seat 23 the problem that the pine takes off to appear.

A pull rod 31 is fixedly connected to the side end of the locking block 29, and the pull rod 31 is slidably connected to the cavity 28 and the mounting seat 22; a pull handle 32 is fixedly connected to the side end of the pull rod 31; the during operation, when the valve rod 21 and disk seat 23 need be dismantled and overhauls, draw the handle 32 through the pulling and drive the pull rod 31 and slide to the side for valve rod 21 drives the inside that locking piece 29 stretches out and draws back to cavity 28, then upwards stimulates disk seat 23 through the staff, takes off disk seat 23, overhauls and changes, through this structure, has realized the effect convenient to detach and installation.

A limiting block 51 is fixedly connected to the inner side wall of the clamping groove 27; a sliding groove 41 is formed in the valve seat 23; the inner side wall of the sliding groove 41 is hinged with a limiting rod 42; a second spring 43 is fixedly connected to the side end of the limiting rod 42, and the other end of the second spring 43 is fixedly connected to the inner side wall of the sliding chute 41; a power unit is arranged inside the clamping block 25; during operation, when fixture block 25 inserts the inside of draw-in groove 27, can cross stopper 51 and slide down, when the inside of locked groove 26 is inserted to locking piece 29, the extrusion power pack, make power pack promote gag lever post 42 and open, make gag lever post 42 pop out, pulling second spring 43 produces elasticity, then gag lever post 42 joint is in stopper 51's bottom, avoid the staff when rotating hand wheel 24, the problem that rocks and pine takes off appears in disk seat 23, and then the fixed effect between disk seat 23 and the valve rod 21 has been improved.

The power unit includes a skid plate 44; a sliding plate 44 is slidably connected to the inside of the locking groove 26; an air bag 45 is fixedly connected inside the locking groove 26 and is positioned at the side end of the sliding plate 44; a sliding cavity is formed in the fixture block 25; a push pipe 47 is fixedly connected inside the sliding cavity; the inner side wall of the push pipe 47 is connected with a push plate 48 in a sliding way; a push rod 49 is fixedly connected to the side end of the push plate 48, and the other end of the push rod 49 is hinged to the side wall of the limiting rod 42; an air pipe 46 is fixedly connected to the end part of the air bag 45, and the other end of the air pipe 46 is fixedly connected to the bottom of the push pipe 47; in operation, when the locking block 29 is inserted into the locking groove 26, the extrusion sliding plate 44 slides to the side end, so that the sliding plate 44 extrudes the air bag 45, the air bag 45 is forced to be deflated, so that the internal air flows into the rodless cavity of the push pipe 47 through the air pipe 46, when the air pressure in the rodless cavity of the push pipe 47 becomes high, the push plate 48 is pushed, so that the push plate 48 pushes the push rod 49 to slide to the side end, so that the push rod 49 pushes the limit rod 42 to slide to the side end for opening, so as to be clamped inside the limit block 51 for limiting, when the locking block 29 slides out from the inside of the locking groove 26, the limit rod 42 is reset by the pulling force of the second spring 43, so that the limit rod 42 pushes the push rod 49 to slide to the side end, so that the push rod 49 pushes the push plate 48 for resetting, so that the internal air in the push pipe 47 flows into the air bag 45 through the air pipe 46, so that the air bag 45 is inflated, and the next use is facilitated.

The inside of the fixture block 25 is provided with sliding grooves 41 which are symmetrically arranged; the inner side wall of the sliding groove 41 is hinged with limiting rods 42 which are symmetrically arranged; the end of the locking piece 29 is in a half arc shape. During operation, because the end of the locking piece 29 is in a semi-arc shape, when the clamping block 25 slides downwards, the end of the locking piece 29 is extruded, so that the locking piece 29 can stretch into the cavity 28, and the problem of blocking is avoided.

Example two

Referring to fig. 5, in a first comparative example, as another embodiment of the present invention, a wear pad 6 is fixedly connected to an end of the lock block 29; during operation, install the wear pad 6 through the bottom at the locking piece 29, improve the protection and the wear-resisting effect of locking piece 29, avoid locking piece 29 to insert the inside of locked groove 26, long-time extrusion causes the problem of wearing and tearing.

The working principle is as follows: when the all-welded ball valve is used in a humid environment for a long time, the bolt can be affected by the humid environment, the problem of corrosion occurs, and the problem that the connection between the valve seat 23 and the valve rod 21 is loosened is caused; when the valve rod 21 and the valve seat 23 need to be disassembled and overhauled, the pull rod 31 is driven to slide towards the side end by pulling the pull handle 32, so that the valve rod 21 drives the locking block 29 to stretch into the cavity 28, then the valve seat 23 is pulled upwards by a worker, and the valve seat 23 is taken down to be repaired and replaced, and the effect of convenient disassembly and assembly is realized by the structure; when the clamping block 25 is inserted into the clamping groove 27, the clamping block 25 can cross the limiting block 51 and slide downwards, when the locking block 29 is inserted into the locking groove 26, the power unit is extruded, the power unit pushes the limiting rod 42 to open, the limiting rod 42 is popped out, the second spring 43 is pulled to generate elastic force, then the limiting rod 42 is clamped at the bottom of the limiting block 51, the problems that the valve seat 23 shakes and loosens when a worker rotates the hand wheel 24 are avoided, and the fixing effect between the valve seat 23 and the valve rod 21 is further improved; when the lock block 29 is inserted into the lock slot 26, the extrusion sliding plate 44 slides towards the side end, so that the sliding plate 44 extrudes the air bag 45, then the air bag 45 is stressed to be deflated, so that the internal air is communicated to the rodless cavity of the push pipe 47 through the air pipe 46, when the air pressure in the rodless cavity of the push pipe 47 is increased, the push plate 48 is pushed, so that the push plate 48 pushes the push rod 49 to slide towards the side end, so that the push rod 49 pushes the limit rod 42 to slide towards the side end to be opened, so as to be clamped in the limit block 51 for limiting, when the lock block 29 slides out of the lock slot 26, the limit rod 42 is reset by the pulling force of the second spring 43, so that the limit rod 42 pushes the push rod 49 to slide towards the side end, so that the push rod 49 pushes the push plate 48 to reset, so that the internal air of the push pipe 47 is communicated to the air bag 45 through the air pipe 46, so that the air bag 45 is expanded, and the next use is facilitated; because the end of the locking piece 29 is in a semi-arc shape, when the clamping block 25 slides downwards, the end of the locking piece 29 is extruded, so that the locking piece 29 can stretch into the cavity 28, and the problem of blocking is avoided.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed.

Claims

1. An all-welded ball valve convenient to disassemble comprises a ball valve body (1), a valve rod (21) and a mounting seat (22); a valve rod (21) is installed at the top of the ball valve body (1); the top of the valve rod (21) is fixedly connected with a mounting seat (22); the method is characterized in that: a valve seat (23) is arranged at the top of the mounting seat (22); a hand wheel (24) is arranged at the end part of the valve seat (23); a clamping groove (27) is formed in the mounting seat (22); a cavity (28) is formed in the mounting seat (22) and is positioned at the side end of the clamping groove (27); the inner side wall of the cavity (28) is connected with a locking block (29) in a sliding way; a first spring (291) is fixedly connected to the side end of the locking block (29), and the other end of the first spring (291) is fixedly connected to the inner side wall of the cavity (28); a clamping block (25) is fixedly connected to the bottom of the valve seat (23); the inside of the clamping block (25) is provided with a locking groove (26).

2. An all-welded ball valve convenient to disassemble according to claim 1, wherein: a pull rod (31) is fixedly connected to the side end of the locking block (29), and the pull rod (31) is connected to the cavity (28) and the mounting seat (22) in a sliding mode; a pull handle (32) is fixedly connected with the side end of the pull rod (31).

3. An all-welded ball valve convenient to disassemble according to claim 2, wherein: the inner side wall of the clamping groove (27) is fixedly connected with a limiting block (51); a sliding groove (41) is formed in the valve seat (23); the inner side wall of the sliding groove (41) is hinged with a limiting rod (42); a second spring (43) is fixedly connected to the side end of the limiting rod (42), and the other end of the second spring (43) is fixedly connected to the inner side wall of the sliding groove (41); the inside of the clamping block (25) is provided with a power unit.

4. An all-welded ball valve convenient to disassemble according to claim 3, wherein: the power unit includes a skid plate (44); a sliding plate (44) is connected inside the lock groove (26) in a sliding manner; an air bag (45) is fixedly connected inside the lock groove (26) and is positioned at the side end of the sliding plate (44); a sliding cavity is formed in the clamping block (25); a push pipe (47) is fixedly connected inside the sliding cavity; the inner side wall of the push pipe (47) is connected with a push plate (48) in a sliding way; a push rod (49) is fixedly connected to the side end of the push plate (48), and the other end of the push rod (49) is hinged to the side wall of the limiting rod (42); an air pipe (46) is fixedly connected to the end part of the air bag (45), and the other end of the air pipe (46) is fixedly connected to the bottom of the push pipe (47).

5. An all-welded ball valve convenient to disassemble according to claim 4, wherein: the inside of the clamping block (25) is provided with sliding grooves (41) which are symmetrically arranged; the inside wall of spout (41) articulates there is gag lever post (42), and for the symmetry setting.

6. An all-welded ball valve convenient to disassemble according to claim 5, wherein: the end part of the locking block (29) is in a half arc shape.