CN214579117U - Sleeve type multistage pressure and temperature reduction water valve - Google Patents
Sleeve type multistage pressure and temperature reduction water valve Download PDFInfo
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- CN214579117U CN214579117U CN202120814324.4U CN202120814324U CN214579117U CN 214579117 U CN214579117 U CN 214579117U CN 202120814324 U CN202120814324 U CN 202120814324U CN 214579117 U CN214579117 U CN 214579117U
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Abstract
The utility model relates to a telescopic multistage step-down temperature reduction water valve, include: a valve body, one side of which is provided with a flow inlet; a valve seat disposed within the valve body; the valve core is sleeved in the sleeve, and the bottom of the valve core is fixedly connected with the pressure reducing part; the valve rod is connected with the top of the valve core and drives the valve core to move up and down relative to the sleeve; the pressure reducing part penetrates through the valve seat, the upper end and the lower end of the valve seat are hermetically connected with the pressure reducing part, and a gap is formed between the pressure reducing part and the valve seat; the top of the pressure reducing part is provided with a first groove body with an upward opening, the bottom of the pressure reducing part is provided with a second groove body with a downward opening, the outer wall of the pressure reducing part is provided with a plurality of circulation holes, and the circulation holes are used for communicating the gap with the first groove body or the second groove body; when the valve rod rises, the flow inlet hole is communicated with the flow inlet, and the medium is reversed and reduced in pressure by the pressure reduction part for four times, so that the purpose of reducing the pressure is achieved.
Description
Technical Field
The utility model relates to a step-down temperature reduction water valve specifically is a telescopic multistage step-down temperature reduction water valve.
Background
The temperature-reducing water valve is generally used in a temperature-reducing pressure reducer, the pressure difference is different from 3MPa to 10MPa, and the specific pressure difference and temperature refer to field process parameters. A cascade pressure reduction type regulating valve is mostly used in a temperature reduction water valve with the pressure difference of more than 4 Mpa. The processing difficulty is higher and the production period is long.
In summary, how to change the flow direction of the medium in the temperature-reducing water valve so as to achieve the purpose of reducing pressure is a problem which needs to be solved urgently by researchers of the company.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the flow direction of the medium in the temperature-reducing water valve can be changed;
in order to solve the technical problem, the utility model discloses a following technical scheme:
the utility model relates to a telescopic multistage step-down temperature-reducing water valve, include: a valve body, one side of which is provided with a flow inlet; a valve seat disposed within the valve body; the valve core is sleeved in the sleeve, and the bottom of the valve core is fixedly connected with the pressure reducing part; the valve rod is connected with the top of the valve core and drives the valve core to move up and down relative to the sleeve; the pressure reducing part penetrates through the valve seat, the upper end and the lower end of the valve seat are hermetically connected with the pressure reducing part, and a gap is formed between the pressure reducing part and the valve seat; the top of the pressure reducing part is provided with a first groove body with an upward opening, the bottom of the pressure reducing part is provided with a second groove body with a downward opening, the outer wall of the pressure reducing part is provided with a plurality of circulation holes, and the circulation holes are used for communicating the gap with the first groove body or the second groove body;
in this scheme, through the motion of valve rod, drive case and the relative telescopic lift of depressurization portion, the runner hole on the depressurization portion rises to and flows the inlet intercommunication, and this device total quartic decompression is: 1. the medium passes through the sleeve and flows into the first groove body through the flow through hole, and 2, the medium flows out of the first groove body to the gap through the flow through hole; 3. the medium flows into the second groove body from the gap through the flow through hole; 4. the medium flows out from the opening of the second groove body; the second trough body also corresponds to an outflow port of the medium;
in order to explain how the valve seat is fixed on the valve body, the two sides of the top of the valve seat are matched with each other by the shape surface to arrange the valve seat in the valve body; a valve cover is inserted into the top of the valve body, a gland is fixed on the upper end face of the valve body, and the gland limits the upward movement of the valve cover; a sleeve is clamped between the bottom of the valve cover and the top of the valve seat;
the valve seat is hung on the valve body through shape surface matching, and the valve seat is sequentially provided with a sleeve and a valve cover from bottom to top; the gland is fixedly connected with the upper end face of the valve seat, so that the valve seat, the sleeve and the valve cover are fixed in the valve body.
The utility model has the advantages that: the utility model relates to a telescopic multistage step-down desuperheating water valve, when the valve rod rose, the inlet hole and the inlet intercommunication that flows, the medium is through the quartic switching-over step-down of decompression portion to reach the mesh of step-down.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic structural view of the pressure reducing portion of the present invention;
in the figure: 1-valve body, 2-flow inlet, 3-valve seat, 4-valve core, 5-sleeve, 6-decompression part, 7-valve rod, 8-gap, 9-first groove body, 10-second groove body, 11-circulation hole, 12-valve cover, 13-gland and 14-balance hole.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
As shown in fig. 1-2, the utility model relates to a sleeve-type multistage pressure-reducing and temperature-reducing water valve, which comprises: a valve body 1, one side of which is provided with a flow inlet 2; a valve seat 3 provided in the valve body 1; the valve core 4 is sleeved in the sleeve 5, and the bottom of the valve core is fixedly connected with a pressure reducing part 6; the valve rod 7 is connected with the top of the valve core 4 and drives the valve core 4 to move up and down relative to the sleeve 5; the pressure reducing part 6 penetrates through the valve seat 3, the upper end and the lower end of the valve seat 3 are hermetically connected with the pressure reducing part 6, and a gap 8 is formed between the pressure reducing part 6 and the valve seat 3; the top of the pressure reduction part 6 is provided with a first groove body 9 with an upward opening, the bottom of the pressure reduction part 6 is provided with a second groove body 10 with a downward opening, the outer wall of the pressure reduction part 6 is provided with a plurality of circulation holes 11, and the circulation holes 11 communicate the gap 8 with the first groove body 9 or the second groove body 10;
in this scheme, through the motion of valve rod, drive case and the relative telescopic lift of depressurization portion, the runner hole on the depressurization portion rises to and flows the inlet intercommunication, and this device total quartic decompression is: 1. the medium passes through the sleeve and flows into the first groove body through the flow through hole, and 2, the medium flows out of the first groove body to the gap through the flow through hole; 3. the medium flows into the second groove body from the gap through the flow through hole; 4. the medium flows out from the opening of the second groove body; the second trough body also corresponds to an outflow port of the medium;
as shown in fig. 1-2, in order to explain how the valve seat is fixed on the valve body, the two sides of the top of the valve seat 3 are matched with the shape of the valve seat 3 to place the valve seat 3 in the valve body 1; a valve cover 12 is inserted into the top of the valve body 1, a gland 13 is fixed on the upper end surface of the valve body 1, and the gland 13 limits the upward movement of the valve cover 12; a sleeve 4 is clamped between the bottom of the valve cover 12 and the top of the valve seat 3;
the valve seat is hung on the valve body through shape surface matching, and the valve seat is sequentially provided with a sleeve and a valve cover from bottom to top; the gland is fixedly connected with the upper end face of the valve seat, so that the valve seat, the sleeve and the valve cover are fixed in the valve body.
In order to balance the valve core, the valve core 4 is vertically provided with a balance hole 14;
the balanced valve core is used for balancing pressure difference and preventing the valve from being opened due to overlarge pressure on the upper part of the valve core, and the thrust of a valve actuating mechanism is reduced after a balance hole is designed.
The utility model relates to a telescopic multistage step-down desuperheating water valve, when the valve rod rose, the inlet hole and the inlet intercommunication that flows, the medium is through the quartic switching-over step-down of decompression portion to reach the mesh of step-down.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (3)
1. A sleeve type multistage pressure and temperature reduction water valve is characterized by comprising:
a valve body, one side of which is provided with a flow inlet;
a valve seat disposed within the valve body;
the valve core is sleeved in the sleeve, and the bottom of the valve core is fixedly connected with a pressure reducing part;
the valve rod is connected with the top of the valve core and drives the valve core to move up and down relative to the sleeve;
the pressure reducing part penetrates through the valve seat, the upper end and the lower end of the valve seat are hermetically connected with the pressure reducing part, and a gap is formed between the pressure reducing part and the valve seat;
the top of the pressure reduction part is provided with a first groove body with an upward opening, the bottom of the pressure reduction part is provided with a second groove body with a downward opening, the outer wall of the pressure reduction part is provided with a plurality of circulation holes, and the circulation holes are used for communicating the gap with the first groove body or the second groove body.
2. A telescopic multistage depressurising and desuperheating water valve according to claim 1, wherein said valve seat is located within said valve body by form-fitting on both sides of the top of said valve seat;
a valve cover is inserted into the top of the valve body, a gland is fixed on the upper end face of the valve body, and the gland limits the upward movement of the valve cover;
the sleeve is clamped between the bottom of the valve cover and the top of the valve seat.
3. The telescopic multistage pressure and temperature reducing water valve as claimed in claim 1, wherein the valve core is vertically provided with a balance hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120814324.4U CN214579117U (en) | 2021-04-20 | 2021-04-20 | Sleeve type multistage pressure and temperature reduction water valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120814324.4U CN214579117U (en) | 2021-04-20 | 2021-04-20 | Sleeve type multistage pressure and temperature reduction water valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214579117U true CN214579117U (en) | 2021-11-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120814324.4U Active CN214579117U (en) | 2021-04-20 | 2021-04-20 | Sleeve type multistage pressure and temperature reduction water valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214579117U (en) |
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2021
- 2021-04-20 CN CN202120814324.4U patent/CN214579117U/en active Active
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