CN216768363U - Hard sealing flow regulating valve - Google Patents
Hard sealing flow regulating valve Download PDFInfo
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- CN216768363U CN216768363U CN202220194993.0U CN202220194993U CN216768363U CN 216768363 U CN216768363 U CN 216768363U CN 202220194993 U CN202220194993 U CN 202220194993U CN 216768363 U CN216768363 U CN 216768363U
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Abstract
The utility model discloses a hard seal flow regulating valve which comprises a valve body, wherein one end of the valve body is provided with a water inlet, the other end of the valve body is provided with a water outlet, and a channel for communicating the water inlet and the water outlet is arranged in the valve body; the valve body is provided with a valve rod mounting hole, a valve rod is in threaded connection with the valve rod mounting hole, when the valve rod rotates, the lower end of the valve rod is used for being close to or far away from the channel, the outer wall of the lower end of the valve rod is provided with an annular conical surface, when the valve rod is close to the channel, the annular conical surface is used for being tightly attached to and sealed with the inner wall of the upper end of the channel, and a sealing structure is arranged between the upper end of the valve rod and the valve rod mounting hole; the valve rod and the channel in the utility model are tightly sealed with the inner wall of the channel through the annular conical surface positioned on the outer wall of the lower end of the valve rod, so that a sealing ring is not required to be embedded on the end part of the channel, the structure of the flow regulating valve can be simplified, and the cost of the flow regulating valve can be reduced.
Description
Technical Field
The utility model relates to the technical field of flow regulating valves, in particular to a hard seal flow regulating valve.
Background
The flow regulating valve is a device which is installed on a pipeline and used for regulating water flow in the pipeline, and the flow regulating valve on the market at present comprises a valve body, wherein a water inlet is formed in one end of the valve body, a water outlet is formed in the other end of the valve body, and a channel used for communicating the water inlet with the water outlet is formed in the valve body; the valve body is provided with a valve rod mounting hole, a valve rod is in threaded connection with the valve rod mounting hole, when the valve rod rotates, the lower end of the valve rod is close to or far away from the channel, in addition, a sealing ring is embedded on the end part of the channel, and when the valve rod is close to the channel, the valve rod and the channel are sealed through the sealing ring; because install the sealing ring in the flow control valve on the market at present, and when flow control valve closed, valve rod and passageway need seal through the sealing ring, so, have flow control valve structure complicacy and with high costs shortcoming.
SUMMERY OF THE UTILITY MODEL
In view of the disadvantages of the prior art, the present invention provides a hard seal flow control valve, which can simplify the structure of the flow control valve and reduce the cost of the flow control valve.
The hard seal flow regulating valve comprises a valve body, wherein a water inlet is formed in one end of the valve body, a water outlet is formed in the other end of the valve body, and a channel for communicating the water inlet with the water outlet is formed in the valve body; be provided with the valve rod mounting hole on the valve body, threaded connection has the valve rod in the valve rod mounting hole, and when the valve rod rotated, the lower extreme of valve rod was used for being close to or keeping away from the passageway, was provided with the annular conical surface on the outer wall of valve rod lower extreme, and when the valve rod was close to the passageway, the annular conical surface was used for hugging closely sealed with the inner wall of passageway upper end, was provided with seal structure between the upper end of valve rod and the valve rod mounting hole.
The utility model relates to a hard sealing flow regulating valve, wherein a sealing structure comprises a sealing ring, an annular caulking groove is arranged on the outer wall of the upper end of a valve rod, the sealing ring is embedded with the annular caulking groove, and the sealing ring, the annular caulking groove and the inner wall of a valve rod mounting hole are tightly attached and sealed; after adopting this kind of structure, the sealing washer can realize reliably sealing between valve rod and the valve rod mounting hole, so, can avoid appearing the condition of leaking between valve rod and the valve rod mounting hole.
The utility model relates to a hard sealing flow regulating valve, wherein a blind hole with an opening at the upper end is arranged in a valve rod, and the inner wall of the blind hole is of a regular hexagonal structure; through setting up the blind hole on the valve rod, and the inner wall of blind hole is regular hexagon shape structure, so, when the valve rod is twisted to needs, the blind hole can supply outer hexagonal spanner's tip to insert and twist the valve rod to can bring the convenience for twisting of valve rod.
The hard sealing flow regulating valve is characterized in that an annular guide surface is arranged on the inner wall of the opening end of the blind hole and used for being matched with the end part of an outer hexagonal wrench to guide so as to facilitate the end part of the outer hexagonal wrench to be inserted into the blind hole; through the setting of annular guiding surface, when the tip of outer hexagonal spanner is expected to insert in the blind hole, the tip of outer hexagonal spanner can cooperate the direction with annular guiding surface so that the tip of outer hexagonal spanner inserts in the blind hole.
The hard sealing flow regulating valve is characterized in that a valve body is in threaded connection with a plugging cap for plugging a valve rod mounting hole, and the outer side wall of the plugging cap is of a regular hexagonal structure; through the setting of stifled cap, stifled cap can realize the shutoff to the valve rod mounting hole, so, can avoid foreign matter and dust to enter into in the valve rod mounting hole.
The utility model relates to a hard sealing flow regulating valve, wherein the other end of a valve body is connected with a pipe joint, a loose joint is rotatably sleeved outside the pipe joint, the outer wall of the pipe joint is provided with an annular step which is used for abutting against the inner edge of the loose joint, the inner wall of the opening end of a water outlet is provided with an annular conical surface, the end part of the pipe joint is provided with an annular arc surface which is used for abutting against the annular conical surface, the loose joint is in threaded connection with the valve body, and after the loose joint is in threaded connection with the valve body, the arc surface is used for being tightly attached to and sealed with the annular conical surface; after adopting this kind of structure, after loose joint connects and valve body threaded connection, the arc surface that is located on the coupling tip can hug closely sealedly with the annular cone that is located on the delivery port inner wall, so, can realize the purpose of hard seal between coupling and the valve body, need not to install the sealing washer promptly between coupling and valve body to can reach the purpose of practicing thrift the cost, in addition, can also bring the convenience for being connected of coupling and valve body.
The valve rod and the channel in the utility model are tightly sealed with the inner wall of the channel through the annular conical surface positioned on the outer wall of the lower end of the valve rod, so that a sealing ring is not required to be embedded on the end part of the channel, the structure of the flow regulating valve can be simplified, and the cost of the flow regulating valve can be reduced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a schematic sectional structure of the present invention.
Detailed Description
In the following description, for purposes of explanation, numerous implementation details are set forth in order to provide a thorough understanding of the various embodiments of the present invention. It should be understood, however, that these implementation details are not to be interpreted as limiting the utility model. That is, in some embodiments of the utility model, such implementation details are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.
In addition, the descriptions related to the first, the second, etc. in the present invention are only used for description purposes, do not particularly refer to an order or sequence, and do not limit the present invention, but only distinguish components or operations described in the same technical terms, and are not understood to indicate or imply relative importance or implicitly indicate the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The utility model discloses a hard sealing flow regulating valve which comprises a valve body 1, wherein a water inlet 11 is formed in one end of the valve body 1, a water outlet 12 is formed in the other end of the valve body 1, and a channel 13 for communicating the water inlet 11 with the water outlet 12 is formed in the valve body 1; be provided with valve rod mounting hole 14 on the valve body 1, threaded connection has valve rod 2 in the valve rod mounting hole 14, and when valve rod 2 rotated, the lower extreme of valve rod 2 was used for being close to or keeping away from passageway 13, was provided with annular conical surface 15 on the outer wall of valve rod 2 lower extreme, and when valve rod 2 was close to passageway 13, annular conical surface 15 was used for hugging closely sealed with the inner wall of passageway 13 upper end, was provided with seal structure between the upper end of valve rod 2 and the valve rod mounting hole 14.
The sealing structure comprises a sealing ring 3, an annular caulking groove 22 is formed in the outer wall of the upper end of the valve rod 2, the sealing ring 3 is embedded in the annular caulking groove 22, and the sealing ring 3, the annular caulking groove 22 and the inner wall of the valve rod mounting hole 14 are tightly attached and sealed; after adopting this kind of structure, the sealing washer can realize reliably sealing between valve rod and the valve rod mounting hole, so, can avoid appearing the condition of leaking between valve rod and the valve rod mounting hole.
A blind hole 23 with an opening at the upper end is arranged in the valve rod 2, and the inner wall of the blind hole 23 is of a regular hexagonal structure; through setting up the blind hole on the valve rod, and the inner wall of blind hole is regular hexagon shape structure, so, when the valve rod is twisted to needs, the blind hole can supply outer hexagonal spanner's tip to insert and twist the valve rod to can bring the convenience for twisting of valve rod.
An annular guide surface 24 is arranged on the inner wall of the opening end of the blind hole 23, and the annular guide surface 24 is used for being matched with the end part of the outer hexagonal wrench for guiding so as to facilitate the insertion of the end part of the outer hexagonal wrench into the blind hole 23; through the setting of annular guiding surface, when the tip of outer hexagonal spanner is expected to insert in the blind hole, the tip of outer hexagonal spanner can cooperate the direction with annular guiding surface so that the tip of outer hexagonal spanner inserts in the blind hole.
The valve body 1 is in threaded connection with a plugging cap 6 for plugging a valve rod mounting hole 14, and the outer side wall of the plugging cap 6 is of a regular hexagonal structure; through the setting of stifled cap, stifled cap can realize the shutoff to the valve rod mounting hole, so, can avoid foreign matter and dust to enter into in the valve rod mounting hole.
The other end of the valve body 1 is connected with a pipe joint 4, a loose joint 5 is rotatably sleeved outside the pipe joint 4, an annular step 41 used for abutting against the inner edge of the loose joint 5 is arranged on the outer wall of the pipe joint 4, an annular conical surface 15 is arranged on the inner wall of the opening end of the water outlet 12, an annular arc surface 42 used for abutting against the annular conical surface 15 is arranged on the end part of the pipe joint 4, the loose joint 5 is in threaded connection with the valve body 1, and after the loose joint 5 is in threaded connection with the valve body 1, the arc surface 42 is used for being tightly attached to and sealed with the annular conical surface 15; after adopting this kind of structure, after loose joint connects and valve body threaded connection, the arc surface that is located on the coupling tip can hug closely sealedly with the annular cone that is located on the delivery port inner wall, so, can realize the purpose of hard seal between coupling and the valve body, need not to install the sealing washer promptly between coupling and valve body to can reach the purpose of practicing thrift the cost, in addition, can also bring the convenience for being connected of coupling and valve body.
The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement or the like made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (6)
1. A hard seal flow regulating valve comprises a valve body (1), wherein a water inlet (11) is formed in one end of the valve body (1), a water outlet (12) is formed in the other end of the valve body (1), and a channel (13) for communicating the water inlet (11) with the water outlet (12) is formed in the valve body (1); be provided with valve rod mounting hole (14) on valve body (1), threaded connection has valve rod (2) in valve rod mounting hole (14), works as when valve rod (2) rotate, the lower extreme of valve rod (2) is used for being close to or keeping away from passageway (13), its characterized in that: the valve rod is characterized in that an annular conical surface (15) is arranged on the outer wall of the lower end of the valve rod (2), when the valve rod (2) is close to the channel (13), the annular conical surface (15) is used for being tightly attached to the inner wall of the upper end of the channel (13) for sealing, and a sealing structure is arranged between the upper end of the valve rod (2) and the valve rod mounting hole (14).
2. The hard seal flow regulating valve according to claim 1, characterized in that the sealing structure comprises a sealing ring (3), an annular caulking groove (22) is arranged on the outer wall of the upper end of the valve rod (2), the sealing ring (3) is embedded with the annular caulking groove (22), and the sealing ring (3) is tightly sealed with the annular caulking groove (22) and the inner wall of the valve rod mounting hole (14).
3. A hard sealing flow regulating valve according to claim 1 or 2, characterized in that the valve rod (2) is provided with a blind hole (23) with an open upper end, and the inner wall of the blind hole (23) is of a regular hexagonal structure.
4. The hard sealing flow regulating valve according to claim 3, characterized in that an annular guide surface (24) is arranged on the inner wall of the opening end of the blind hole (23), and the annular guide surface (24) is used for being matched with the end of an external hexagonal wrench to guide so as to facilitate the insertion of the end of the external hexagonal wrench into the blind hole (23).
5. The hard sealing flow regulating valve according to claim 3, characterized in that a plugging cap (6) for plugging the valve rod mounting hole (14) is connected to the valve body (1) in a threaded manner, and the outer side wall of the plugging cap (6) is of a regular hexagonal structure.
6. The hard sealing flow regulating valve according to claim 1, characterized in that a pipe joint (4) is connected to the other end of the valve body (1), a loose joint (5) is rotatably sleeved outside the pipe joint (4), an annular step (41) for abutting against the inner edge of the loose joint (5) is arranged on the outer wall of the pipe joint (4), an annular conical surface (15) is arranged on the inner wall of the opening end of the water outlet (12), an annular arc surface (42) which is annular and used for abutting against the annular conical surface (15) is arranged on the end portion of the pipe joint (4), the loose joint (5) is in threaded connection with the valve body (1), and after the loose joint (5) is in threaded connection with the valve body (1), the arc surface (42) is used for being tightly sealed with the annular conical surface (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220194993.0U CN216768363U (en) | 2022-01-24 | 2022-01-24 | Hard sealing flow regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220194993.0U CN216768363U (en) | 2022-01-24 | 2022-01-24 | Hard sealing flow regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216768363U true CN216768363U (en) | 2022-06-17 |
Family
ID=81978792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220194993.0U Active CN216768363U (en) | 2022-01-24 | 2022-01-24 | Hard sealing flow regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216768363U (en) |
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2022
- 2022-01-24 CN CN202220194993.0U patent/CN216768363U/en active Active
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