CN216479140U - Exempt from upper cover governing valve - Google Patents
Exempt from upper cover governing valve Download PDFInfo
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- CN216479140U CN216479140U CN202122884321.0U CN202122884321U CN216479140U CN 216479140 U CN216479140 U CN 216479140U CN 202122884321 U CN202122884321 U CN 202122884321U CN 216479140 U CN216479140 U CN 216479140U
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Abstract
The utility model provides an upper cover-free regulating valve which comprises a valve body, wherein a valve seat is arranged between a water inlet and a water outlet of the valve body, the valve seat is sealed with the lower end face of a valve core, the valve core is connected with the lower end of a valve rod, and the upper end of the valve rod penetrates through a valve cover to be connected with a push rod in a membrane head; the valve cover is integrally and fixedly arranged at the bottom of the membrane head, and the membrane head is connected to the top of the valve body through a bolt; the valve cover is relatively covered and connected at the top end of the valve body, and a gasket is arranged between the connecting surfaces of the valve cover and the valve body in a pressing mode. In the structure of the utility model, the valve cover is integrally arranged on the membrane head of the actuating mechanism of the regulating valve, the membrane head of the actuating mechanism can be directly butted with the valve body, and the valve cover is used as the upper cover of the valve body to realize the butt joint with the valve body, so that the assembly and disassembly are convenient, the overall height and weight of the regulating valve and the length of the internal valve rod are directly reduced, the manufacturing cost is low, the valve is more stable to use, and the popularization and application have good economic benefits and social benefits.
Description
Technical Field
The utility model belongs to the technical field of regulating valves, and particularly relates to an upper cover-free regulating valve.
Background
In the field of industrial automation process control, a final control element for changing technological parameters such as medium flow, pressure, temperature, liquid level and the like by power operation through receiving a control signal output by a regulation control unit generally comprises an actuating mechanism and a valve, and the regulating valve is suitable for media such as air, water, steam, various corrosive media, slurry, oil and the like.
The governing valve comprises actuating mechanism and governing valve body two parts, and under the general condition, actuating mechanism connects on the top of valve body upper cover, and upper cover rethread flange structure connects in the upper end of valve body, needs twice to connect just can realize being connected of actuating mechanism and valve body to upper cover self has increased the holistic height of governing valve and weight, has increased the length of the required valve rod of inside, has reduced the stability that the valve used.
How to design one kind and exempt from upper cover governing valve, how to reduce the whole height of governing valve and weight, shorten the length of valve rod, let the valve use more stably, become the problem that the urgent need was solved.
SUMMERY OF THE UTILITY MODEL
In view of the above disadvantages of the prior art, an object of the present invention is to provide an upper cover-free control valve, which is used to solve the problems in the prior art that an actuator is connected to the top end of an upper cover of a valve body, the upper cover is connected to the upper end of the valve body through a flange structure, two connections are required to achieve the connection between the actuator and the valve body, the upper cover increases the height and weight of the whole control valve, increases the length of a valve rod required inside, and reduces the stability of the valve during use.
In order to achieve the purpose, the utility model provides an upper cover-free regulating valve which comprises a valve body, wherein a valve seat is arranged between a water inlet and a water outlet of the valve body, the valve seat is sealed with the lower end face of a valve core, the valve core is connected to the lower end of a valve rod, and the upper end of the valve rod penetrates through a valve cover to be connected with a push rod in a membrane head; the valve cover is integrally and fixedly arranged at the bottom of the membrane head, and the membrane head is connected to the top of the valve body through a bolt;
by adopting the technical scheme: the connection between the membrane head of the actuating mechanism and the valve body is directly completed through the bolt, and the cover sealing of the valve body is completed through the valve cover integrally and fixedly arranged on the membrane head, so that the complexity of the connection between the membrane head of the actuating mechanism and the valve body is reduced, the connection of an upper cover of the valve body is also avoided, the overall height, weight and manufacturing cost of the regulating valve are reduced, the length of a valve rod required in the interior is indirectly shortened, and the use of the valve is more stable;
the valve cover is relatively covered and connected at the top end of the valve body, and a gasket is pressed between the connecting surface of the valve cover and the valve body;
by adopting the technical scheme: after the membrane head of the actuating mechanism is connected with the valve body, the valve cover can be directly covered on the top end of the valve body, and the sealing performance of the valve cover and the valve body cover is ensured by the gasket.
In an embodiment of the present invention, a valve cage is disposed inside the valve body, the valve cage is correspondingly pressed between the valve seat and the valve cover, and the valve core is relatively located inside the valve cage;
by adopting the technical scheme: the valve cage is fixed and provides internal support after the valve cover is connected, so that the valve core can be positioned in a moving way, and the stability of the valve seat can be ensured; after the valve cover is detached on the valve body along with the membrane head in the later period, the valve cage and the valve seat can be directly taken out for maintenance, and the replacement of the valve cage and the valve seat is realized.
In an embodiment of the present invention, a gap formed between the stem body of the valve stem and the valve cap is filled with a sealing filler, the interior of the upper valve cap of the sealing filler is correspondingly connected with a packing gland, and the packing gland is sleeved on the stem body of the valve stem;
by adopting the technical scheme: the sealing filler is filled between the valve rod and the valve cover, so that when the valve rod moves in the valve cover, the sealing performance of the position of the connecting surface is ensured, and the valve sealing is prevented from being influenced.
In an embodiment of the present invention, the screw portion of the bolt is fixedly disposed at the upper end of the valve body, and the upper end of the screw penetrates to the inner side of the membrane head and is in screw connection with the nut;
by adopting the technical scheme: the membrane head of the actuating mechanism can be directly inserted on the stud, and then the upper end of the stud inside the membrane head is connected with the nut in a switching mode, so that the membrane head and the valve body can be installed conveniently.
In an embodiment of the present invention, the bolt is located relatively at an outer side of the valve cover, and the bolt does not contact with the cover body of the valve cover;
by adopting the technical scheme: the integrity of the valve cover is ensured, and the sealing performance of the position of the crimping surface when the valve cover and the valve body are in relative crimping is improved.
In the structure of the utility model, the valve cover is integrally arranged on the membrane head of the actuating mechanism of the regulating valve, the membrane head of the actuating mechanism can be directly butted with the valve body, and the valve cover is used as the upper cover of the valve body to realize the butt joint with the valve body, so that the assembly and disassembly are convenient, the overall height and weight of the regulating valve and the length of the internal valve rod are directly reduced, the manufacturing cost is low, the valve is more stable to use, and the popularization and application have good economic benefits and social benefits.
Drawings
FIG. 1 is a front sectional view of the present invention.
Fig. 2 is an enlarged view at a in fig. 1.
In the figure: 1. a valve body; 2. a valve seat; 3. a valve core; 4. a cage; 5. a gasket; 6. a valve cover; 7. sealing and filling; 8. a packing gland; 9. a valve stem; 10. a membrane head; 11. and (4) bolts.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
Please refer to fig. 1-2. It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions under which the present invention can be implemented, so that the present invention has no technical significance, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
As shown in fig. 1-2, the utility model provides an upper cover-free regulating valve, which comprises a valve body 1, wherein a valve seat 2 is arranged between a water inlet and a water outlet of the valve body 1, the valve seat 2 is sealed with the lower end surface of a valve core 3, the valve core 3 is connected with the lower end of a valve rod 9, and the upper end of the valve rod 9 penetrates through a valve cover 6 to be connected with a push rod in a membrane head 10; the valve cover 6 is integrally and fixedly arranged at the bottom of the membrane head 10, and the membrane head 10 is connected to the top of the valve body 1 through a bolt 11; by adopting the technical scheme: the connection between the membrane head 10 of the actuating mechanism and the valve body 1 is directly completed through the bolt 11, and the cover sealing of the valve body 1 is completed through the valve cover 6 integrally and fixedly arranged on the membrane head 10, so that the complexity of the connection between the membrane head 10 of the actuating mechanism and the valve body 1 is reduced, the connection of an upper cover of the valve body 1 is also avoided, the overall height, weight and manufacturing cost of the regulating valve are reduced, the length of a valve rod required in the valve is indirectly shortened, and the use of the valve is more stable;
the valve cover 6 is relatively covered and connected at the top end of the valve body 1, and a gasket 5 is arranged between the valve cover 6 and the connecting surface of the valve body 1 in a pressing mode. By adopting the technical scheme: after the actuating mechanism membrane head 10 is connected with the valve body 1, the valve cover 6 can be directly covered on the top end of the valve body 1, and the sealing performance of the cover connection of the valve cover 6 and the valve body 1 is guaranteed by the gasket 5.
Further, a valve cage 4 is arranged inside the valve body 1, the valve cage 4 is correspondingly pressed between the valve seat 2 and the valve cover 6, and the valve core 3 is relatively positioned inside the valve cage 4. By adopting the technical scheme: the valve cage 4 is fixed and provides internal support after the valve cover 6 is connected, so that the valve core 3 can be moved and positioned, and the stability of the valve seat 2 can be ensured; after the valve cover 6 is detached from the valve body 1 along with the membrane head 10, the valve cage 4 and the valve seat 2 can be directly taken out for maintenance, so that the valve cage 4 and the valve seat 2 can be replaced.
Further, a gap formed between the stem of the valve stem 9 and the valve cap 6 is filled with a sealing filler 7, a packing gland 8 is correspondingly connected to the inside of the upper valve cap 6 of the sealing filler 7, and the packing gland 8 is sleeved on the stem of the valve stem 9. By adopting the technical scheme: the sealing packing 7 is filled between the valve rod 9 and the valve cover 6, so that when the valve rod 9 moves in the valve cover 6, the sealing performance at the position of a connecting surface is ensured, and the valve sealing is prevented from being influenced.
Further, the screw part of the bolt 11 is fixedly arranged at the upper end of the valve body 1, and the upper end of the screw penetrates through the inner side of the membrane head 10 to be in screw connection with the nut. By adopting the technical scheme: the membrane head 10 of the actuating mechanism can be directly inserted on the stud, and then the upper end of the stud inside the membrane head 10 is connected with a nut in a switching mode, so that the membrane head 10 and the valve body 1 can be mounted, and the mounting and the dismounting are convenient.
Further, the bolt 11 is relatively positioned on the outer side of the valve cover 6, and the bolt 11 is not in contact with the cover body of the valve cover 6. By adopting the technical scheme: the integrity of the valve cover 6 is ensured, and the sealing performance of the position of the crimping surface when the valve cover 6 is in relative crimping with the valve body 1 is improved.
During specific implementation, during installation: the actuating mechanism membrane head 10 can be directly installed at the upper end of the valve body 1 through the bolt 11, the valve cover 6 integrally and fixedly arranged at the lower end of the membrane head 10 is directly covered at the upper end of the valve body 1 when the membrane head 10 is connected with the valve body 1, and the sealing performance of the connecting position is ensured under the action of the gasket 5; the valve cover 6 is covered on the valve body 1 and presses down the valve cage 4 in the valve body 1, and the valve cage 4 not only provides the moving guide of the valve core 3, but also realizes the pressing and fixing of the lower valve seat 2; after the installation is accomplished, because the integrative valve gap 6 that sets firmly on membrane head 10 has replaced the upper cover to realize sealing on the valve body 1, directly reduced the holistic height of governing valve, weight and manufacturing cost to reduce the length of inside valve rod 9, make the valve use more stable.
When the disassembly is carried out: directly just can take off actuating mechanism membrane head 10 through demolising bolt 11, when membrane head 10 pulled down, valve gap 6 breaks away from valve body 1 to relieve the overdraft to valve cage 4 simultaneously, can directly take out valve cage 4 and disk seat 2 this moment and maintain the replacement outside valve body 1, it is convenient to dismantle, and it is convenient to maintain.
In conclusion, the utility model provides the upper cover-free regulating valve, the valve cover 6 is integrally arranged on the membrane head 10 of the actuating mechanism of the regulating valve, the membrane head 10 of the actuating mechanism can be directly butted with the valve body 1, and meanwhile, the valve cover 6 is used as the upper cover of the valve body 1 to realize the butt joint with the valve body 1, so that the assembly and disassembly are convenient, the overall height and weight of the regulating valve and the length of an internal valve rod are directly reduced, the manufacturing cost is low, the valve is more stable to use, and the economic benefit and the social benefit are good when the regulating valve is popularized and applied. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the utility model. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (5)
1. The utility model provides an exempt from upper cover governing valve, includes valve body (1), its characterized in that: a valve seat (2) is arranged between the water inlet and the water outlet of the valve body (1), the valve seat (2) is sealed with the lower end face of the valve core (3), the valve core (3) is connected with the lower end of the valve rod (9), and the upper end of the valve rod (9) penetrates through the valve cover (6) to be connected with a push rod in the membrane head (10); the valve cover (6) is integrally and fixedly arranged at the bottom of the membrane head (10), and the membrane head (10) is connected to the top of the valve body (1) through a bolt (11);
the valve cover (6) is relatively covered on the top end of the valve body (1), and a gasket (5) is arranged between the connecting surface of the valve cover (6) and the connecting surface of the valve body (1) in a pressing mode.
2. The cover-less regulating valve as claimed in claim 1, wherein: the valve is characterized in that a valve cage (4) is arranged inside the valve body (1), the valve cage (4) is correspondingly pressed between the valve seat (2) and the valve cover (6), and the valve core (3) is relatively positioned inside the valve cage (4).
3. The cover-less regulating valve as claimed in claim 1, wherein: the sealing filler (7) is filled in a gap formed between the rod body of the valve rod (9) and the valve cover (6), the packing gland (8) is correspondingly connected to the inside of the upper side valve cover (6) of the sealing filler (7), and the packing gland (8) is sleeved on the rod body of the valve rod (9).
4. The cover-less regulating valve as claimed in claim 1, wherein: the screw rod part of bolt (11) sets firmly in the upper end of valve body (1), the screw rod upper end runs through to the inboard and the nut spiral switching of membrane head (10).
5. The cover-less regulating valve as claimed in claim 1, wherein: the bolt (11) is relatively positioned on the outer side of the valve cover (6), and the bolt (11) is not in contact with the cover body of the valve cover (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122884321.0U CN216479140U (en) | 2021-11-23 | 2021-11-23 | Exempt from upper cover governing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122884321.0U CN216479140U (en) | 2021-11-23 | 2021-11-23 | Exempt from upper cover governing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216479140U true CN216479140U (en) | 2022-05-10 |
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ID=81397963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122884321.0U Active CN216479140U (en) | 2021-11-23 | 2021-11-23 | Exempt from upper cover governing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216479140U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024098733A1 (en) * | 2022-11-08 | 2024-05-16 | 苏州纽威阀门股份有限公司 | Regulating valve |
-
2021
- 2021-11-23 CN CN202122884321.0U patent/CN216479140U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024098733A1 (en) * | 2022-11-08 | 2024-05-16 | 苏州纽威阀门股份有限公司 | Regulating valve |
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