CN218118714U

CN218118714U - Three-way ball valve

Info

Publication number: CN218118714U
Application number: CN202222435141.9U
Authority: CN
Inventors: 王林峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-09-14
Filing date: 2022-09-14
Publication date: 2022-12-23
Anticipated expiration: 2032-09-14

Abstract

The utility model relates to the field of valves, in particular to a three-way ball valve; comprises three joints, a shell, a valve core and a wrench; the three joints comprise a first joint, a second joint and a third joint; the first joint and the shell are integrally formed, the second joint and the first joint are symmetrically arranged, and the third joint and the first joint are vertically arranged; the second connector is connected with the shell in a buckling mode, and the third connector is connected with the shell in a buckling mode; the shell is provided with a second connecting hole and a third connecting hole, and one or more annular grooves are formed in the inner walls of the first connecting hole and the second connecting hole; one or more convex rings are arranged on the outer walls of the second joint and the third joint; the annular groove is buckled with the convex ring to realize the buckling connection of the second connecting hole and the second joint and realize the connection of the third connecting hole and the buckle; sealing rings are arranged between the three joints and the valve core; the detachable buckle is connected, and the worn sealing ring can be replaced, so that the service life of the whole three-way ball valve is prolonged.

Description

Three-way ball valve

Technical Field

The utility model relates to a valve field refers in particular to a tee bend ball valve.

Background

The three-way ball valve is used as a pipeline valve and is mainly suitable for switching, reversing, shunting and converging gas or liquid media. The three-way ball valve is widely applied to the aspects of petroleum, chemical industry, power generation, aviation, water heating and the like, and is also the valve type with the largest use amount in daily life.

The existing three-way ball valve has the advantages that in order to increase the sealing performance, the gap between the valve core and the sealing ring is small, the valve core and the sealing ring can be abraded when the valve core rotates, the sealing ring cannot be replaced and maintained after being abraded, and the service life of the whole valve is short.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an aim at: the defects of the background art are overcome, and the oil mist exhaust device for the vacuum pump, which has a better oil mist filtering effect, is provided.

The technical scheme of the utility model is that:

a three-way ball valve comprises a shell, a valve core and a control component; the shell is provided with three joints, and the three joints comprise a first joint, a second joint and a third joint; the first connector and the shell are integrally formed, and the shell is provided with a second connecting hole and a third connecting hole; the second joint is connected with the second connecting hole in a buckling manner; the second joint and the first joint are symmetrically arranged, and the third joint is connected with the third connecting hole in a buckling manner; the third joint is perpendicular to the first joint; more than one ring groove is arranged on the inner walls of the second connecting hole and the third connecting hole; more than one convex ring is arranged on the outer wall of the second joint and the outer wall of the third joint; the convex rings are buckled with the corresponding ring grooves; and sealing rings are arranged between the three joints and the valve core.

According to an embodiment of the present invention, the valve core is disposed inside the housing, and the valve core is provided with a first valve core hole, a second valve core hole and a third valve core hole; the first valve core hole and the second valve core hole are symmetrically arranged, and the third valve core hole is perpendicular to the first valve core hole; the first valve core hole, the second valve core hole and the third valve core hole are communicated with each other; the outer contour of the valve core is provided with a spherical surface, and the first valve core hole, the second valve core hole and the third valve core hole are intersected at the spherical center of the spherical surface.

According to the utility model discloses an embodiment, the control unit includes the spanner, the outside of case still is equipped with the spanner groove, the tip of spanner is equipped with the quad slit, the spanner groove is the quad slit, and the one end of a valve rod is inserted the spanner groove, and the cross-section of valve rod is square, and the other end of valve rod inserts the quad slit.

According to the utility model discloses an embodiment, the outside of case is equipped with the amasss sand groove, rotates the control unit makes first case hole, third case hole, second case hole and amasss sand sheave flow through first joint or second joint or third joint.

According to an embodiment of the present invention, the opening of the sand accumulating groove is circular; the opening of the sand accumulation groove is matched with the size of the sealing ring.

According to the utility model discloses an embodiment, it is three the sealing washer supports the case.

According to the utility model discloses an embodiment, it has glue to fill between annular and the bulge loop.

According to the utility model discloses an embodiment, be equipped with the scale on the shell, along the scale is rotatory the interior fluidic flow direction of spanner governing valve.

Compared with the prior art, the utility model has the advantages that:

1. compared with the prior art, the three-way ball valve has the advantages that the second joint and the third joint are connected with the shell through the detachable buckles, the worn sealing ring can be replaced, and the service life of the whole three-way ball valve is prolonged; and be equipped with the sealing washer between three joint and the case to the accessible is adjusted the buckle degree of depth of second joint and shell, and then adjusts the inseparable degree between sealing washer and the case, and then adjusts suitable sealed degree in department.

2. Furthermore, the case is equipped with long-pending husky groove and three case hole, rotates the control unit and makes the case hole be in different positions, and then changes fluidic flow direction, and when long-pending husky groove blockked one of them joint, silt in the fluid can gather long-pending husky inslot has avoided silt to gather at the sphere of case, and when the case rotated, avoided the sphere of silt wearing and tearing case, increased life.

Drawings

Fig. 1 is a schematic structural diagram of a three-way ball valve in an embodiment of the present invention.

Fig. 2 is an exploded view of the three-way ball valve.

Fig. 3 is a sectional view of fig. 1.

Fig. 4 is a partially enlarged view of fig. 3.

Fig. 5 is a schematic structural diagram of a valve element in an embodiment of the present invention.

Fig. 6 is a cross-sectional view of fig. 5.

Fig. 7 is an exploded view of the valve cartridge and the joint according to an embodiment of the present invention.

Description of the symbols:

a linker-100; a first joint-10; a second linker-20; a third joint-30; a housing-40; a valve core-50; and a wrench-60; a seal ring-70; a convex ring-22; a second connection hole-41; a third connection hole-42; ring groove-43; scale-44; a first spool bore-51; a second spool bore-52; a third spool bore-53; sphere-54; wrench groove-55; a sand accumulation groove-56; square hole-61.

Detailed Description

The foregoing and other technical matters, features and effects of the present invention will be apparent from the following detailed description of preferred embodiments and examples of the present invention, which is to be read in connection with the accompanying drawings. Directional terms as referred to in the following examples, for example: up, down, left, right, front, rear, inner or outer, etc., are simply directions with reference to the drawings. Accordingly, the directional terminology is used for purposes of illustration and is in no way limiting.

The invention will be further described in the following with reference to the accompanying drawings in which:

Fig. 2 is an exploded view of a three-way ball valve.

Fig. 3 is a sectional view of fig. 1.

Fig. 4 is a partially enlarged view of fig. 3.

Referring to fig. 1 to 4, a three-way ball valve includes a housing 40, a valve core 50, and a control part; the shell 40 is provided with three joints 100, and the three joints comprise a first joint 10, a second joint 20 and a third joint 30; the first joint 10 is integrally formed with the housing 40, and the housing 40 is provided with a second connecting hole 41 and a third connecting hole 42; the second joint 20 is in snap connection with the second connecting hole 41; the second joint 20 and the first joint 10 are symmetrically arranged, and the third joint 30 is connected with the third connecting hole 42 in a buckling manner; the third joint 30 is arranged perpendicular to the first joint 20; more than one ring groove 43 is arranged on the inner walls of the second connecting hole and the third connecting hole; the outer walls of the second joint 20 and the third joint 30 are provided with more than one convex ring 22; the convex ring 22 is buckled with the corresponding ring groove 43; sealing rings 70 are arranged between the three joints and the valve core 50, the three sealing rings 70 support the valve core 50, the valve core 50 is suspended in the three sealing rings 70, the valve core 50 is only contacted with the sealing rings 70, the abrasion of the valve core 50 is reduced, and the sealing rings 70 are made of wear-resistant rubber. Further, the control part includes a wrench 60, and the control part may also be an electric wrench; further, glue is filled between the annular groove 43 and the convex ring 22, so that the sealing performance of the second joint 20 and/or the third joint 30 and the cavity in the valve is improved.

The clamping depth of the second joint 20 or the third joint 30 and the shell can be adjusted, so that the compression degree between the sealing ring 70 and the valve core 50 can be adjusted, and the proper sealing degree between the sealing ring 70 and the valve core 50 can be adjusted; further, the second joint 20 and the third joint 30 are respectively connected with the shell 40 in a buckle-type detachable mode, so that worn sealing rings can be replaced, and the service life of the whole three-way ball valve is prolonged.

Referring to fig. 1 and 2, a scale 44 is provided on the housing 40, and the wrench 60 is rotated along the scale 44 to adjust the flow direction of the fluid in the valve.

Fig. 6 is a cross-sectional view of fig. 5.

Referring to fig. 2, 5 and 6, the spool 50 is provided inside the housing 40, the spool 50 being provided with a first spool hole 51, a second spool hole 52 and a third spool hole 53; the first valve core hole 51 and the second valve core hole 52 are symmetrically arranged, and the third valve core hole 53 is perpendicular to the first valve core hole 51; the first spool hole 51, the second spool hole 52 and the third spool hole 53 are communicated with each other; the outer contour of the spool 50 is provided with a spherical surface 54, and the first, second, and

third spool holes

51, 52, 53 intersect at the center of the spherical surface 54.

The outer side of the valve core 50 is also provided with a wrench groove 55, the end part of the wrench 60 is provided with a square hole 61, the wrench groove 55 is a square groove, one end of a valve rod is inserted into the wrench groove 55, the cross section of the valve rod is square, and the other end of the valve rod is inserted into the square hole 61. The wrench 60 can be moved to rotate the valve core 50, so that the valve core hole in the valve core 50 is connected to different connectors 100, and further three different pipelines can be selectively communicated, or three pipelines are connected or two pipelines are connected.

Referring to fig. 6 and 7, the sand accumulation groove 56 is formed at the outer side of the spool 50, and the first spool hole 51, the third spool hole 53, the second spool hole 52, and the sand accumulation groove 56 pass through the first joint 10, the second joint 20, or the third joint 30 by turns by rotating the control member (taking the wrench 60 as an example). The opening of the sand accumulation groove 56 is circular; the opening of the sand accumulation groove 56 is matched with the size of the sealing ring 70. When the sand accumulation groove 56 blocks one of the joints, taking the first joint 10 as an example, when the sand accumulation groove 56 rotates to the first joint 10, the first valve core hole 51 is connected with the third joint 30, and the third valve core hole 53 is connected with the second joint 20, so that the fluid in the second joint 20 is communicated with the fluid in the third joint 30, and the fluid in the first joint is blocked or cut off, at the moment, silt in the fluid can be accumulated in the sand accumulation groove, so that the silt is prevented from accumulating on the spherical surface of the valve core, when the valve core further rotates, the silt is prevented from wearing the spherical surface of the valve core, and the service life is prolonged.

The foregoing embodiments are merely preferred embodiments of the present invention, which are not intended to limit the technical implementation of the present invention in any way, and the scope of the present invention is not limited thereby, and those skilled in the art can make modifications or changes without departing from the scope of the technical means disclosed in the present invention, and still should be considered as the substantially same techniques or embodiments as the present invention, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A three-way ball valve comprises a shell (40), a valve core (50) and a control component; the shell (40) is provided with three joints (100), and the three joints comprise a first joint (10), a second joint (20) and a third joint (30); it is characterized in that the preparation method is characterized in that,

the first connector (10) and the shell (40) are integrally formed, and the shell (40) is provided with a second connecting hole (41) and a third connecting hole (42);

the second joint (20) is in snap connection with the second connecting hole (41); the second joint (20) is arranged symmetrically to the first joint (10),

the third joint (30) is in snap connection with the third connecting hole (42); the third joint (30) is perpendicular to the first joint (10);

more than one ring groove (43) is arranged on the inner walls of the second connecting hole and the third connecting hole; more than one convex ring (22) is arranged on the outer wall of the second joint (20) and the outer wall of the third joint (30); the convex ring (22) is buckled with the corresponding annular groove (43);

and sealing rings (70) are arranged between the three joints and the valve core (50).

2. The three-way ball valve according to claim 1, wherein the spool (50) is provided inside the housing (40), the spool (50) being provided with a first spool hole (51), a second spool hole (52) and a third spool hole (53); the first valve core hole (51) and the second valve core hole (52) are symmetrically arranged, and the third valve core hole (53) is perpendicular to the first valve core hole (51); the first valve core hole (51), the second valve core hole (52) and the third valve core hole (53) are communicated with each other; the outer contour of the valve core (50) is provided with a spherical surface (54), and the first valve core hole (51), the second valve core hole (52) and the third valve core hole (53) are intersected at the spherical center of the spherical surface (54).

3. The three-way ball valve according to claim 1, wherein the control component comprises a wrench (60), a wrench groove (55) is further formed on the outer side of the valve core (50), a square hole (61) is formed at the end of the wrench (60), the wrench groove (55) is a square groove, one end of a valve rod is inserted into the wrench groove (55), the cross section of the valve rod is square, and the other end of the valve rod is inserted into the square hole (61).

4. A three-way ball valve according to claim 2, wherein the valve core (50) is provided with a sand accumulation groove (56) on the outer side, and the control component is rotated to enable the first valve core hole (51), the third valve core hole (53), the second valve core hole (52) and the sand accumulation groove (56) to pass through the first joint (10), the second joint (20) or the third joint (30) in turn.

5. A three-way ball valve according to claim 4, wherein the opening of the sand accumulation groove (56) is circular; the opening of the sand accumulation groove (56) is matched with the size of the sealing ring (70).

6. A three-way ball valve according to claim 1, wherein three said sealing rings (70) support said spool (50).

7. A three-way ball valve according to claim 1, wherein glue is filled between the annular groove (43) and the convex ring (22).

8. A three-way ball valve according to claim 3, wherein the housing (40) is provided with a scale (44), and the wrench (60) is rotated along the scale (44) to adjust the flow direction of the fluid in the valve.