CN217583252U - Top-mounted ball valve - Google Patents
Top-mounted ball valve Download PDFInfo
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- CN217583252U CN217583252U CN202221547063.5U CN202221547063U CN217583252U CN 217583252 U CN217583252 U CN 217583252U CN 202221547063 U CN202221547063 U CN 202221547063U CN 217583252 U CN217583252 U CN 217583252U
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Abstract
The utility model relates to the technical field of valves, a facial make-up formula ball valve is provided, include: the valve body and the ball body are driven by a driving force, and the ball body is suitable for rotating so as to switch the medium channel between an opening state and a closing state; the valve seat assembly at least comprises a valve seat and an elastic member, wherein the valve seat and the valve body are suitable for forming at least one mounting space, at least one elastic member is placed in each mounting space, and the elastic member is suitable for providing extrusion force to the valve seat so that the valve seat has the tendency of moving towards the ball; at least one limiting piece is rotatably connected with the ball body. The ball valve is simple in structure, the valve does not need to be detached from a pipeline when the valve component is maintained, online maintenance of the valve is achieved, maintenance time and maintenance cost of the valve are effectively reduced, and the whole production period of a production line is not greatly prolonged.
Description
Technical Field
The utility model relates to the technical field of valves, concretely relates to facial make-up formula ball valve.
Background
General ball valve has the valve body, spheroid and valve rod, the spheroid is by the valve rod drive and then rotationally set up in the valve pocket of valve body, be used for opening and closing the valve, among the ball valve among the prior art, through placing the spheroid in the valve pocket of valve body, utilize the disk seat to hug closely the spheroid, realize sealed between spheroid and the disk seat, and the disk seat hugs closely spheroidal power of hugging closely and is offered the disk seat by the spring mounting in the spring hole at the disk seat back, after using a period, the spring can take place to warp, the spring after warping is different to disk seat extruded degree, thereby the disk seat is hugged closely spheroidal power of hugging closely inhomogeneous, and then spheroidal position can change, make the drive spheroid rotation that the valve rod can not be accurate, the position of the sealed face between spheroid and the disk seat also can change simultaneously, lead to the valve can not carry out accurate opening and closing.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model discloses the technical problem who solves lies in overcoming the ball valve among the prior art, through placing the spheroid in the valve pocket of valve body, utilize the disk seat to hold the spheroid tightly, realize sealing between spheroid and the disk seat, and the disk seat holds spheroidal power of holding tightly and is offered the disk seat by spring mounting in the spring hole at the disk seat back, after using a period, the spring can take place to warp, the spring after warping is different to disk seat extruded degree, thereby the disk seat holds spheroidal power of holding tightly inhomogeneous, and then spheroidal position can change, make the drive spheroid that the valve rod can not be accurate rotate, simultaneously the position of the sealed face between spheroid and the disk seat also can change, lead to the valve can not carry out accurate opening and closing, thereby provide a facial make-up ball valve.
A top-loading ball valve comprising: the ball body is arranged on the valve body along the path of the medium channel and is driven by a driving force, and the ball body is suitable for rotating so as to switch the medium channel between an opening state and a closing state; the valve seat assemblies are arranged in the medium channel in a one-to-one correspondence mode relative to two sides of the ball body, each valve seat assembly at least comprises a valve seat and an elastic piece, at least one installation space is formed between the valve seat and the valve body, at least one elastic piece is placed in each installation space, and the elastic pieces are suitable for providing extrusion force for the valve seats so that the valve seats have the tendency of moving towards the ball body; and the limiting part is arranged on the valve body corresponding to the ball body and is rotationally connected with the ball body.
Optionally, in the above-mentioned top-loading ball valve, a limiting part is provided at the bottom of the ball body;
the longitudinal section of the limiting piece is in a step shape and comprises a wide part and a narrow part, the wide part is connected with the valve body, and the narrow part is suitable for being inserted into the limiting part so as to be rotatably connected with the ball body.
Optionally, in the above-mentioned top-loading ball valve, each of the seat assemblies further includes at least one first sealing element, the first sealing element is adapted to be disposed on the seat along a circumferential direction of the seat, and a surface of the first sealing element opposite to the ball is an abutment surface adapted to abut against the ball.
Optionally, the top-loading ball valve further comprises a valve cover and a valve rod, wherein the valve cover is connected with the valve body;
the ball valve comprises a ball body, a valve seat, a ball body and a valve rod, wherein a cavity with two open ends is formed in the valve seat, one end of the valve rod penetrates through the cavity to be connected with the ball body, and the valve rod provides driving force for the ball body so that the ball body rotates.
Optionally, in the above top-loading ball valve, at least one second sealing element is further disposed between the valve cap and the valve stem, and a body of the second sealing element is embedded in the valve cap and is rotatably connected to the valve stem.
Optionally, in the above-mentioned top-loading ball valve, the second sealing element is an O-ring.
Optionally, in the above top-loading ball valve, at least one lubricating piece is further disposed between the valve cover and the valve stem, and at least one end of the cavity is correspondingly provided with one lubricating piece.
Optionally, in the above-mentioned top-loading ball valve, any one of the lubricants is a self-lubricating sleeve including a sleeve which is pressed to be disposed in the cavity.
Optionally, in the above-mentioned top-loading ball valve, the top-loading ball valve further includes an actuating member, the actuating member is connected to the valve rod, and the actuating member is driven by the driving force to drive the valve rod to rotate.
The utility model discloses technical scheme has following advantage:
1. the utility model provides a pair of upper assembling type ball valve, include: the ball body is arranged on the valve body along the path of the medium channel and is driven by a driving force, and the ball body is suitable for rotating so as to switch the medium channel between an opening state and a closing state; the valve seat assemblies are correspondingly arranged in the medium channels one by one relative to two sides of the ball body, each valve seat assembly at least comprises a valve seat and an elastic piece, at least one installation space is formed between the valve seat and the valve body, at least one elastic piece is placed in each installation space, and the elastic pieces are suitable for providing extrusion force for the valve seats so that the valve seats have the tendency of moving towards the ball body; and the limiting piece is arranged on the valve body corresponding to the ball body and is rotationally connected with the ball body.
In the upper-mounted ball valve with the structure, the valve seat assembly is arranged on the valve body, the elastic part in the valve seat assembly is positioned in the installation space between the valve seat and the valve body, and the elastic part can provide extrusion force to the valve seat, so that the valve seat has the tendency of moving towards the ball body, and further the ball body can be tightly held, good sealing performance between the ball body and the valve seat is realized, meanwhile, after the extrusion force of the elastic part is changed, the limiting part is arranged to limit the relative position between the ball body and the valve seat, so that the ball body and the valve seat can not generate relative displacement, the valve rod can be ensured to drive the ball body to accurately rotate, the accurate opening and closing of the valve are realized, meanwhile, the ball valve has a simple structure, the valve does not need to be detached from a pipeline when the valve component is maintained, and the online maintenance of the valve is realized, the maintenance time and the maintenance cost of the valve are effectively reduced, the whole production cycle of a production line is not greatly prolonged, the ball valve overcomes the defects that in the ball valve in the prior art, the ball body is placed in the valve cavity of the valve body, the valve seat is utilized to tightly hold the ball body, the sealing between the ball body and the valve seat is realized, the holding force of the valve seat holding the ball body is provided for the valve seat by the spring arranged in the spring hole at the back of the valve seat, after the ball valve is used for a period of time, the spring can deform, the deformed spring is extruded to the valve seat to different degrees, so that the holding force of the valve seat holding the ball body is not uniform, the position of the ball body can be changed, the valve rod can not accurately drive the ball body to rotate, meanwhile, the position of the sealing surface between the ball body and the valve seat can also be changed, and the valve can not be accurately opened and closed,
drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following descriptions are 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 schematic longitudinal sectional structural view of a ball valve according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a positioning plate and an actuator of the ball valve;
FIG. 3 is a schematic structural diagram of a position limiting element A;
description of the reference numerals:
1. a valve body; 2. a sphere; 3. a media channel;
4. a valve seat; 5. an elastic member;
6. a limiting member; 601. a wide portion; 602. a narrow portion;
7. a first seal member; 8. a valve cover; 9. a valve stem;
10. a second seal member; 11. a lubricating member; 12. an executive component;
13. a platen member; 14. a positioning member; 15. a graphite gasket.
Detailed Description
The technical solutions of the present invention will be described more clearly and completely with reference to the accompanying drawings, and it should be understood 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 should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that unless otherwise explicitly stated 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.
Examples
The present embodiment describes a top-loading ball valve, referring to fig. 1-3, the top-loading ball valve includes a valve body 1, a ball body 2, a valve seat 4 assembly and a limiting member 6, wherein the valve body 1 has a medium passage 3, the ball body 2 is disposed in a valve cavity of the valve body 1 along a path of the medium passage 3, the ball body 2 can rotate after being driven by a driving force, so as to switch the medium passage 3 of the valve between an open state and a closed state, the valve seat 4 assembly is disposed in the medium passage 3 in one-to-one correspondence with two sides of the ball body 2, i.e., the valve seat 4 assembly is two sets, the corresponding ball body 2 is disposed in the medium passage 3 and is disposed on two sides of the ball body 2, any one valve seat 4 assembly at least includes a valve seat 4 and an elastic member 5, at least one installation space is adapted to be formed between the valve seat 4 and the valve body 1, at least one elastic member 5 is disposed in each installation space, the elastic member 5 is adapted to provide a pressing force to the valve seat 4, so that the valve seat 4 has a tendency to move towards the ball body 2, the limiting member 6 is disposed on the valve body 1 and is connected with the ball body 2, and the limiting member 6 to limit a relative displacement of the ball body 2.
Through set up disk seat 4 subassembly on valve body 1, elastic component 5 in this disk seat 4 subassembly is located the installation space between disk seat 4 and the valve body 1, and this elastic component 5 can provide the extrusion force to disk seat 4, make disk seat 4 have the trend to spheroid 2 motion, and then can hold spheroid 2 tightly, realize good leakproofness between spheroid 2 and the disk seat 4, simultaneously after the extrusion force of elastic component 5 changes, the relative position between spheroid 2 and disk seat 4 can be restricted in the setting of locating part 6, make spheroid 2 can not take place relative displacement with disk seat 4, guarantee that valve rod 9 can drive spheroid 2 and carry out accurate rotation, realize accurate opening and closing of valve, and simultaneously, this ball valve simple structure, need not dismantle the valve from the pipeline when the valve component maintenance, the online maintenance of valve has been realized, including to elastic component 5, the change of disk seat 4 subassembly, maintenance time and the cost of maintenance that can effectual reduction valve, do not produce great extension to the whole production cycle of line.
An O-ring may be disposed between the valve seat 4 and the valve body 1 in this embodiment, and the O-ring is used for sealing between the valve seat 4 and the valve body 1.
The spring part in this embodiment is the dish spring group that a plurality of dish spring pile together, install disk seat 4 in the valve cavity of valve body 1, and set up the step portion with 1 adaptation of valve body on disk seat 4's the pedestal, can form installation space between step portion and the valve body 1, refer to the figure, two disk seat 4 respectively and valve body 1 between form four installation space, all install a set of dish spring in each installation space, be used for providing the extrusion force to disk seat 4, make disk seat 4 can hold spheroid 2 tightly, this dish spring non-deformable, be convenient for change.
For unfolding, when the limiting member 6 is installed on the sphere 2, a limiting portion may be formed at the bottom of the sphere 2, the longitudinal section of the limiting member 6 is in a step shape, and the limiting member includes a wide portion 601 and a narrow portion 602, the wide portion 601 of the limiting member 6 is connected to the valve body 1, the narrow portion 602 of the limiting member 6 is suitable for being inserted into the limiting portion to be rotatably connected to the sphere 2, in practical application, a groove is formed in the valve body 1, the wide portion 601 of the limiting member 6 may be inserted into the groove or may be in threaded connection with the groove, so as to connect the limiting member 6 to the valve body 1.
Specifically, the limiting portion on the sphere 2 is a limiting portion formed by forming a blind hole in the bottom of the sphere 2, the narrow portion 602 of the limiting member 6 is inserted into the limiting portion, a bearing can be further arranged between the narrow portion 602 and the limiting portion, the bearing is sleeved on the limiting member 6, and the bearing is arranged to prevent more abrasion after more friction occurs between the sphere 2 and the limiting member 6.
In the top-loading ball valve in the embodiment, each valve seat 4 assembly further comprises at least one first sealing element 7, the first sealing element 7 is suitable for being arranged on the valve seat 4 along the circumferential direction of the valve seat 4, one surface of the first sealing element 7, which is opposite to the ball body 2, is an abutting surface and is suitable for abutting with the ball body 2, and the first sealing element 7 can be a rubber ring.
The upper-mounted ball valve in the embodiment further comprises a valve cover 8 and a valve rod 9, wherein the valve cover 8 is connected with the valve body 1, a cavity with two open ends is formed in the valve seat 4, one end of the valve rod 9 penetrates through the cavity to be connected with the ball body 2, driving force is provided for the ball body 2, the ball body 2 rotates, a gasket groove is formed between the valve cover 8 and the valve body 1 when the upper-mounted ball valve is specifically mounted, and a graphite gasket 15 is filled in the gasket groove.
At least one second sealing element 10 is further arranged between the valve cover 8 and the valve rod 9 in the embodiment, an annular groove is formed in the annular direction of the inner wall surface of a cavity of the valve cover 8, then a body of the second sealing element 10 is embedded into the annular groove of the valve cover 8, when the valve rod 9 rotates, a sealing effect is also achieved between the valve rod 9 and the second sealing element 10, when the valve rod 9 is used specifically, the second sealing elements 10 can be O-shaped rings, the number of the second sealing elements can be two or three, and the specific number of the second sealing elements can be arranged according to actual use.
In this embodiment, at least one lubricant 11 is further disposed between the valve cap 8 and the valve stem 9, and at least one end of the cavity is correspondingly disposed with one lubricant 11, referring to the figure, the number of the lubricants 11 is two, and the two lubricants are respectively mounted at two ends of the cavity, specifically, when in specific use, any one of the lubricants 11 may be configured as a self-lubricating sleeve, which includes a sleeve, and the sleeve can be pressed in the cavity after being subjected to pressing force.
The expansion say, can set up clamp plate spare 13 on valve gap 8, and this clamp plate spare 13 passes through the fastener to be fixed on valve gap 8, utilizes this clamp plate spare 13 to compress tightly the self-lubricating axle sleeve that is located the cavity upper end in the cavity, and the self-lubricating axle sleeve of cavity lower extreme then compresses tightly in the cavity by valve rod 9, specifically for the diameter setting that is close to spheroid 2 position with the bottom of valve rod 9 is greater than the size of cavity, and then can compress tightly the self-lubricating axle sleeve that is located the lower extreme in the cavity.
The ball valve in this embodiment further comprises an executing part 12, the executing part 12 is connected with the valve rod 9, the executing part 12 can drive the valve rod 9 to rotate after being driven by driving force, then the ball body 2 is driven to rotate, opening and closing of the valve are achieved, and the executing part 12 can be a handle in specific application.
A positioning part 14 is further arranged between the pressure plate part 13 and the actuating part 12, an opening coaxial with the pressure plate part 13 is formed in the positioning part 14, one end of the valve rod 9 penetrates through holes of the positioning part 14 and the pressure plate part 13 and a cavity of the valve cover 8 to be connected with the ball body 2, and in order to avoid an overlarge rotation angle of the actuating part 12, a blocking part can be arranged on the positioning part 14 and can block the overlarge rotation angle of the actuating part 12 in the rotation process.
Specifically, the positioning member 14 may be a positioning plate.
Description of installation of ball valve in this embodiment:
the valve seat 4, the O-shaped ring, the first sealing piece 7 and the elastic piece 5 are preassembled and finished and are integrally placed into a valve cavity of the valve body 1 as the valve seat 4 assembly, the limiting piece 6 is placed into a groove of the valve body 1, a bearing between the ball body 2 and the limiting piece 6 is installed, the valve seat 4 assembly is compressed backwards through an assembling tool, the ball body 2 is placed into the valve body 1, the tool is disassembled, and the elastic piece 5 pushes the valve seat 4 assembly to be tightly held with the ball body 2 to form sealing.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (9)
1. A top-loading ball valve, comprising:
the valve comprises a valve body (1) and a ball body (2), wherein the valve body (1) is provided with a medium channel (3), the ball body (2) is arranged on the valve body (1) along the path of the medium channel (3) and driven by a driving force, and the ball body (2) is suitable for rotating to switch the medium channel (3) between an opening state and a closing state;
the valve seat (4) assemblies are arranged in the medium channel (3) in a one-to-one correspondence mode relative to two sides of the ball body (2), each valve seat (4) assembly at least comprises a valve seat (4) and an elastic piece (5), at least one installation space is formed between each valve seat (4) and the valve body (1), at least one elastic piece (5) is placed in each installation space, and each elastic piece (5) is suitable for providing extrusion force to the valve seat (4) so that the valve seat (4) has the tendency of moving towards the ball body (2);
at least one limiting piece (6), wherein the limiting piece (6) is arranged on the valve body (1) corresponding to the sphere (2) and is rotatably connected with the sphere (2).
2. The upper-mounted ball valve according to claim 1, wherein a limiting part is arranged at the bottom of the ball body (2);
the longitudinal section of the limiting piece (6) is in a step-shaped arrangement and comprises a wide portion (601) and a narrow portion (602), the wide portion (601) is connected with the valve body (1), and the narrow portion (602) is suitable for being inserted into the limiting portion to be connected with the ball body (2) in a rotating mode.
3. -a top-loading ball valve according to claim 2, characterized in that each assembly of seats (4) further comprises at least a first sealing element (7), said first sealing element (7) being suitable to be arranged on said seat (4) along the circumference of said seat (4), its face opposite to said ball (2) being an abutment face suitable to be in abutment with said ball (2).
4. The top-loading ball valve according to any one of claims 1 to 3, further comprising a valve cover (8) and a valve rod (9), wherein the valve cover (8) is connected with the valve body (1);
the ball valve is characterized in that a cavity with two open ends is formed in the valve seat (4), one end of the valve rod (9) penetrates through the cavity to be connected with the ball body (2), and the driving force is provided for the ball body (2) to enable the ball body (2) to rotate.
5. -a top-loading ball valve according to claim 4, characterized in that between the bonnet (8) and the stem (9) there is also provided at least a second seal (10), the body of said second seal (10) being embedded in the bonnet (8) and being rotatably connected to the stem (9).
6. -a top-loading ball valve according to claim 5, characterized in that the second seal (10) is an O-ring.
7. -a top-loading ball valve according to claim 5, characterised in that between the valve cover (8) and the valve stem (9) there is also provided at least one lubricant (11), a corresponding lubricant (11) being provided at least one end of the cavity.
8. -a top-loading ball valve according to claim 7, characterized in that any of the lubricants (11) is a self-lubricating sleeve comprising a sleeve which is pressed to be arranged in the cavity.
9. The upper-mounted ball valve according to claim 8, further comprising an actuating member (12), wherein the actuating member (12) is connected with the valve rod (9), and the actuating member (12) is driven by a driving force to drive the valve rod (9) to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221547063.5U CN217583252U (en) | 2022-06-20 | 2022-06-20 | Top-mounted ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221547063.5U CN217583252U (en) | 2022-06-20 | 2022-06-20 | Top-mounted ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217583252U true CN217583252U (en) | 2022-10-14 |
Family
ID=83528898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221547063.5U Active CN217583252U (en) | 2022-06-20 | 2022-06-20 | Top-mounted ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217583252U (en) |
-
2022
- 2022-06-20 CN CN202221547063.5U patent/CN217583252U/en active Active
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