CN218761553U

CN218761553U - Bidirectional metal hard sealing rotary ball valve

Info

Publication number: CN218761553U
Application number: CN202223182814.0U
Authority: CN
Inventors: 朱世湖; 陶乃扬; 朱杰
Original assignee: Anhui Qiujing Machinery Manufacturing Co ltd
Current assignee: Anhui Qiujing Machinery Manufacturing Co ltd
Priority date: 2022-11-29
Filing date: 2022-11-29
Publication date: 2023-03-28
Anticipated expiration: 2032-11-29

Abstract

The utility model discloses a two-way metal hard seal ball valve in two-way seal ball valve technical field, including valve body and end cover, the end cover spiro union is in the bottom of valve body, the top of valve body is rotated and is connected with the valve rod, run through the bottom of valve rod the valve body extends to the top of end cover, the top fixedly connected with hand wheel of valve rod, the sealed axle sleeve has been cup jointed to the lateral wall upside of valve rod, the snap ring has been cup jointed to the lateral wall downside of valve rod, the fixedly connected with fixed block of department in the middle of the lateral wall of valve rod, the left side wall fixedly connected with valve plate of fixed block, the lateral wall a week of valve plate has seted up flutedly, the inner chamber right side wall fixedly connected with spring of recess, and evenly distributed, this two-way metal hard seal ball valve, structural design is reasonable, can avoid the looks mutual friction between floating ring and the valve body, improves ball valve life to improve ball valve seal effect.

Description

Bidirectional metal hard sealing rotary ball valve

Technical Field

The utility model relates to a two-way seal ball-rotating valve technical field specifically is a two-way metal seals ball-rotating valve firmly.

Background

The rotary ball valve has the functions and advantages of a butterfly valve, a semi-ball valve, a gate valve and a stop valve, has the completely distinctive powerful functions and advantages, is small in size, light in weight, convenient to transport, install, maintain and repair and reliable in operation, and can be sealed in two directions.

When the existing bidirectional sealing rotary ball valve is switched on and switched off at each time, a floating ring on a valve plate can generate one-time friction with a valve body, after the friction for many times, the floating ring and the valve body can be abraded, the service life of the rotary ball valve can be shortened due to abrasion, a fine gap exists between the valve plate and the valve body of the common bidirectional sealing rotary ball valve, flowing media can slowly leak out of the rotary ball valve, the sealing effect of the rotary ball valve is further influenced, and therefore the bidirectional metal hard sealing rotary ball valve is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a two-way metal hard seal ball-spinning valve to can rub each other when having proposed ball-spinning valve switch in the solution above-mentioned background art and have slight gap can influence the problem of the sealed effect of ball-spinning valve with general ball-spinning valve between floating ring and the valve body.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a two-way metal hard seal ball valve that revolves, includes valve body and end cover, the end cover spiro union is in the bottom of valve body, the top of valve body is rotated and is connected with the valve rod, run through the bottom of valve rod the valve body extends to the top of end cover, the top fixedly connected with hand wheel of valve rod, sealed axle sleeve has been cup jointed to the lateral wall upside of valve rod, the snap ring has been cup jointed to the lateral wall downside of valve rod.

As a further description of the above technical solution:

the middle of the outer side wall of the valve rod is fixedly connected with a fixing block, and the left side wall of the fixing block is fixedly connected with a valve plate.

As a further description of the above technical solution:

a groove is formed in the periphery of the outer side wall of the valve plate.

As a further description of the above technical solution:

the inner cavity right side wall fixedly connected with spring of recess, and evenly distributed.

As a further description of the above technical solution:

the tail end of the spring is fixedly connected with a floating ring, and a sealing ring is fixedly connected to the periphery of the outer side wall of the floating ring.

As a further description of the above technical solution:

and bolts are screwed on the left side wall and the right side wall of the bottom of the end cover.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this two-way metal hard seal ball valve revolves when contacting through floating ring and valve body for produce certain effort, and effort makes spring deformation shrink, through the shrink of spring, makes floating ring move right, makes the floating ring keep away from the valve body then, thereby avoids the looks mutual friction between floating ring and the valve body, improves ball valve life revolves.

2. This two-way metal hard seal ball valve revolves is fixed with the sealing washer through lateral wall a week at the floating ring, makes it plug up the tiny gap between floating ring and the valve body to the sealing washer can further avoid floating ring and the direct emergence contact of valve body, thereby improves ball valve sealing effect.

Drawings

Fig. 1 is a schematic perspective view of a bidirectional metal hard seal rotary ball valve according to the present invention;

fig. 2 is a schematic sectional view of a bidirectional metal hard seal rotary ball valve according to the present invention;

fig. 3 is a schematic view of an enlarged junction structure at a position a in fig. 2 of the bidirectional metal hard seal rotary ball valve provided by the present invention;

fig. 4 is an enlarged schematic structural diagram of B in fig. 2 of a bidirectional metal hard seal rotary ball valve provided by the present invention.

In the figure: 100. a valve body; 110. a valve stem; 120. a hand wheel; 130. sealing the shaft sleeve; 140. a snap ring; 150. a fixed block; 160. a valve plate; 170. a groove; 180. a spring; 190. a floating ring; 191. a seal ring; 200. an end cap; 210. and (4) bolts.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model provides a bidirectional metal hard sealing rotary ball valve, which can effectively avoid the mutual friction between a floating ring and a valve body and improve the sealing effect of the rotary ball valve, please refer to fig. 1-4, comprising a valve body 100 and an end cover 200;

referring to fig. 1-2, a valve stem 110 is rotatably connected to the top of a valve body 100, the bottom end of the valve stem 110 penetrates through the valve body 100 and extends to the top of an end cap 200, the valve stem 110 is used for driving a valve plate 160 to rotate, a hand wheel 120 is fixedly connected to the top end of the valve stem 110, the hand wheel 120 is used for rotating the valve stem 110, a sealing shaft sleeve 130 is sleeved on the upper side of the outer side wall of the valve stem 110 for sealing, a snap ring 140 is sleeved on the lower side of the outer side wall of the valve stem 110, the snap ring 140 is used for assisting the rotation of the valve stem 110, and the valve stem 110 rotates along with the rotation of the hand wheel 120;

referring to fig. 1-2 again, the end cap 200 is screwed to the bottom of the valve body 100, and the end cap 200 is used to fix the valve stem 110;

in conclusion, mutual friction between the floating ring 190 and the valve body 100 is avoided, and the service life of the rotary ball valve is prolonged.

Referring to fig. 2 to 3, a fixing block 150 is fixedly connected to the middle of the outer sidewall of the valve stem 110, a valve plate 160 is fixedly connected to the left sidewall of the fixing block 150, and the valve plate 160 can be mounted through the fixing block 150.

Referring to fig. 2-3 again, a groove 170 is formed around the outer side wall of the valve plate 160, and a spring 180 can be installed through the groove 170.

Referring again to fig. 2-3, the springs 180 are fixedly connected to the right side wall of the cavity of the recess 170 and are uniformly distributed, so that the floating ring 190 can slightly move through the springs 180.

Referring to fig. 2-3 again, the end of the spring 180 is fixedly connected with a floating ring 190, and a sealing ring 191 is fixedly connected to the outer side wall of the floating ring 190 around, so that the sealing effect can be improved by the sealing ring 191.

Referring to fig. 4, bolts 210 are screwed to the left and right sidewalls of the bottom of the end cap 200, and the end cap 200 can be fixed by the bolts 210.

Therefore, the sealing effect of the rotary ball valve is improved.

When specific use, this technical field personnel at first install two-way golden seal spin ball valve on the pipeline, and the rethread hand wheel 120 of manual rotation for valve rod 110 rotates, and then drives valve plate 160 and rotates, and when valve plate 160 rotated, through the shrink of spring 180, makes floating ring 190 skew right, and then avoids avoiding rubbing each other between floating ring 190 and the valve body 100, and it makes when needing to close the valve, rotate hand wheel 120 once more can.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like 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 present 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.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. The utility model provides a two-way metal rotary ball valve that seals firmly which characterized in that: including valve body (100) and end cover (200), end cover (200) spiro union is in the bottom of valve body (100), the top of valve body (100) is rotated and is connected with valve rod (110), run through the bottom of valve rod (110) valve body (100) and extend to the top of end cover (200), the top fixedly connected with hand wheel (120) of valve rod (110), sealed axle sleeve (130) have been cup jointed to the lateral wall upside of valve rod (110), snap ring (140) have been cup jointed to the lateral wall downside of valve rod (110).

2. A bi-directional metal hard seal rotary ball valve as recited in claim 1, wherein: the middle of the outer side wall of the valve rod (110) is fixedly connected with a fixing block (150), and the left side wall of the fixing block (150) is fixedly connected with a valve plate (160).

3. A bi-directional metal hard seal rotary ball valve as recited in claim 2, wherein: a groove (170) is formed in the periphery of the outer side wall of the valve plate (160).

4. A bi-directional metal hard seal rotary ball valve as claimed in claim 3, wherein: the right side wall of the inner cavity of the groove (170) is fixedly connected with a spring (180) and is uniformly distributed.

5. The bi-directional metal hard seal rotary ball valve of claim 4, wherein: the tail end of the spring (180) is fixedly connected with a floating ring (190), and a sealing ring (191) is fixedly connected to the periphery of the outer side wall of the floating ring (190).

6. A bi-directional metal hard seal rotary ball valve as recited in claim 1, wherein: the left side wall and the right side wall of the bottom of the end cover (200) are in threaded connection with bolts (210).