CN212362520U - Throttling device for centrifugal water chilling unit - Google Patents
Throttling device for centrifugal water chilling unit Download PDFInfo
- Publication number
- CN212362520U CN212362520U CN202021072879.8U CN202021072879U CN212362520U CN 212362520 U CN212362520 U CN 212362520U CN 202021072879 U CN202021072879 U CN 202021072879U CN 212362520 U CN212362520 U CN 212362520U
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- throttle plate
- throttle
- plate
- fixed seat
- throttling device
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Abstract
The utility model belongs to the technical field of throttling gear, in particular to a throttling gear for a centrifugal water chilling unit, which comprises a connecting pipeline, wherein the top of the connecting pipeline is fixedly connected with a fixed seat, the top of the connecting pipeline is provided with two mounting grooves, the fixed seat is provided with two plate placing grooves corresponding to the mounting grooves, the inner sides of the two plate placing grooves are respectively connected with a first throttle plate and a second throttle plate in a sliding way, and the fixed seat is provided with two operating screws; the aperture and the hole number of two sets of throttle plates through setting up are all different, make it can be according to the size of connecting tube internal pressure differential, select suitable throttle plate, twist and move the operation screw rod to drive the throttle plate and slide putting the board inslot, make the throttle plate be located the mounting groove, thereby block the inside fluid of circulating of connecting tube, make fluidic pressure reduce, the use of different throttle plates can be selected according to the pressure differential in the connecting tube, be convenient for reduce fluid pressure.
Description
Technical Field
The utility model relates to a throttling arrangement technical field specifically is a throttling arrangement for centrifugal cooling water set.
Background
The water chilling unit comprises four main components: the compressor, evaporator, condenser and expansion valve, thus has realized the unit refrigeration and heating effect, because of the use of each trade is more extensive, so the requirement to the cooling water set is different, throttling arrangement is the important part which forms the refrigeration plant, it has the following effects on the function: the throttling pressure reduction is carried out on the high-pressure liquid refrigerant, the pressure difference between the condenser and the evaporator is ensured, so that the liquid refrigerant in the evaporator is evaporated and absorbs heat under the required low pressure, and the purpose of refrigeration and temperature reduction is achieved.
When the front-back pressure difference of the pipeline is larger, a mode of increasing a throttle orifice plate is often adopted, but the throttle plate is generally fixed, and the throttle plate cannot be adjusted according to the pressure difference of the pipeline, so that the effect of reducing the fluid pressure is not obvious, and therefore, the throttling device for the centrifugal water chilling unit is provided by the technical personnel in the field to solve the problems in the background technology.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a throttling arrangement for centrifugal cooling water set to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a throttling arrangement for centrifugal cooling water set, includes the connecting tube, connecting tube top fixedly connected with fixing base, two mounting grooves have been seted up at the connecting tube top, just the fixing base seted up two with the mounting groove is corresponding puts the board groove, two put inboard sliding connection respectively of board groove has first throttle plate and second throttle plate, be equipped with two operation screw rods on the fixing base, two operation screw rod one end all runs through the fixing base, and two operation screw rod one end extends to put the inboard, two operation screw rod respectively with first throttle plate, second throttle plate rotate to be connected, two operation screw rod all with fixing base threaded connection.
As a further aspect of the present invention: the mounting groove is communicated with the plate placing groove.
As a further aspect of the present invention: and the top of the fixed seat is provided with a signboard corresponding to the first throttle plate and the second throttle plate.
As a further aspect of the present invention: the diameters of the first throttle plate and the second throttle plate are equal to the width of the plate placing groove.
As a further aspect of the present invention: the top of the first throttle plate and the top of the second throttle plate are both provided with bosses, and the operating screw rotates in the bosses.
As a further aspect of the present invention: one end of the operation screw is fixedly connected with a connecting disc, the boss is provided with a connecting circular groove, and the connecting disc rotates in the connecting circular groove.
As a further aspect of the present invention: and the outer walls of the two operation screws are in threaded connection with fastening nuts.
Compared with the prior art, the beneficial effects of the utility model are that:
inside two sets of throttle plates are located the fixing base through setting up, the aperture and the hole number diverse of two sets of throttle plates, make it can be according to the size of the inside pressure differential of connecting tube, select suitable throttle plate, twist the operation screw rod, can make the operation screw rod drive the throttle plate and slide in putting the board inslot, make the throttle plate be located the mounting groove of connecting tube, thereby stop the inside fluid that circulates of connecting tube, make fluidic pressure reduce, the use of different throttle plates can be selected according to the pressure differential in the connecting tube, be convenient for reduce fluid pressure, and first throttle plate and second throttle plate all can be located and put the board inslot when not using, can select suitable throttle plate to be located the mounting groove during the use, make another throttle plate can not cause the influence putting the board inslot.
Drawings
FIG. 1 is a schematic view of a throttling device for a centrifugal chiller;
FIG. 2 is a schematic view of the interior of a fixed seat in a throttling device for a centrifugal chiller;
FIG. 3 is a cross-sectional view of a throttling device for a centrifugal chiller;
fig. 4 is a schematic diagram of an operating screw in a throttling device for a centrifugal chiller.
In the figure: 1. connecting a pipeline; 101. mounting grooves; 2. a fixed seat; 201. placing a plate groove; 21. a first throttle plate; 22. a second throttle plate; 23. operating the screw; 231. fastening a nut; 232. connecting the disks; 24. a boss; 241. a connecting circular groove; 25. a signboard.
Detailed Description
Please refer to fig. 1-4, in the embodiment of the present invention, a throttling device for centrifugal chiller, including connecting pipe 1, connecting pipe 1 top fixedly connected with fixing base 2, two mounting grooves 101 have been seted up at connecting pipe 1 top, and fixing base 2 has been seted up two and the corresponding board groove 201 of putting of mounting groove 101, two are put board groove 201 inboards and are had first throttle plate 21 and second throttle plate 22 of sliding connection respectively, be equipped with two operation screw 23 on the fixing base 2, fixing base 2 is all run through to two operation screw 23 one ends, and two operation screw 23 one ends extend to and put in the board groove 201, two operation screw 23 respectively with first throttle plate 21, second throttle plate 22 rotates to be connected, two operation screw 23 all with 2 threaded connection of fixing base.
In FIGS. 1-2: two sets of throttle plates are arranged in the fixed seat 2, the aperture and the hole number of the first throttle plate 21 and the second throttle plate 22 are different, so that the first throttle plate 21 and the second throttle plate 22 can be selected according to the magnitude of the internal pressure difference of the connecting pipeline 1, the first throttle plate 21 and the second throttle plate 22 can be positioned in the plate placing groove 201 when not used, the mounting groove 101 is communicated with the plate placing groove 201, when in use, a proper throttle plate can be selected to be positioned in the mounting groove 101, so that the other throttle plate cannot be influenced in the plate placing groove 201, the top of the fixed seat 2 is provided with a signboard 25 corresponding to the first throttle plate 21 and the second throttle plate 22, the signboard 25 can record the information of the first throttle plate 21 and the second throttle plate 22, the proper throttle plate can be conveniently selected according to the signboard 25, the diameters of the first throttle plate 21 and the second throttle plate 22 are equal to the width of the plate placing groove 201, the fluid in the connecting pipeline 1 is limited by the first throttle plate 21 and the second throttle plate 22 and is not easy to enter the fixed seat 2 or can not enter the fixed seat 2, the outer walls of the first throttle plate 21 and the second throttle plate 22 can be fixed with sealing rings, the first throttle plate 21 and the second throttle plate 22 can improve the sealing performance of connection with the fixed seat 2 and the connecting pipeline 1, the connecting disc 232 rotates in the connecting circular groove 241 of the boss 24 by screwing the operating screw 23, the operating screw 23 can drive the first throttle plate 21 or the second throttle plate 22 to slide in the plate placing groove 201, so that the throttle plates are located in the mounting groove 101 of the connecting pipeline 1, the fluid flowing inside the connecting pipeline 1 is blocked, the pressure of the fluid is reduced, and the use of different throttle plates can be selected according to the pressure difference in the connecting pipeline 1, so as to reduce the fluid pressure.
In fig. 3-4: the top parts of the first throttle plate 21 and the second throttle plate 22 are respectively provided with a boss 24, the operation screw 23 rotates in the boss 24, one end of the operation screw 23 is fixedly connected with a connecting disc 232, the boss 24 is provided with a connecting circular groove 241, the connecting disc 232 rotates in the connecting circular groove 241, when the operation screw 23 is screwed, the connecting disc 232 can rotate in the connecting circular groove 241 of the boss 24, the connecting disc 232 is positioned in the connecting circular groove 241, the operation screw 23 and the boss 24 can be connected together by the connecting disc 232, the first throttle plate 21 and the second throttle plate 22 can move conveniently, the operation screw 23 is in threaded connection with the fixed seat 2, the operation screw 23 can move up and down under the action of threads, so that the first throttle plate 21 and the second throttle plate 22 can move up and down, the outer walls of the two operation screws 23 are both in threaded connection with fastening nuts 231, and the fastening nuts 231 are used for limiting the movement of the operation screw 23, the operation screw 23 can not move, and the stability of the operation screw 23 connected with the throttle plate is improved.
The utility model discloses a theory of operation is: two sets of throttle plates are arranged in the fixed seat 2, the aperture and the hole number of the first throttle plate 21 and the second throttle plate 22 are different, so that the first throttle plate 21 and the second throttle plate 22 can be selected according to the magnitude of the internal pressure difference of the connecting pipeline 1, the first throttle plate 21 and the second throttle plate 22 can be positioned in the plate placing groove 201 when not used, the proper throttle plate can be selected to be positioned in the mounting groove 101 when used, the other throttle plate cannot be influenced in the plate placing groove 201, the signboard 25 can record the information of the first throttle plate 21 and the second throttle plate 22, the proper throttle plate can be conveniently selected according to the signboard 25, the connecting disc 232 can rotate in the connecting circular groove 241 of the boss 24 by screwing the operating screw rod 23, the operating screw rod 23 is in threaded connection with the fixed seat 2, the operating screw rod 23 can move up and down under the action of the thread, so that the first throttle plate 21 and the second throttle plate 22 can move up and down, the operation screw 23 drives the throttle plate to slide in the plate placing groove 201, so that the throttle plate is positioned in the mounting groove 101 of the connecting pipeline 1, thereby blocking the fluid flowing inside the connecting pipeline 1, reducing the pressure of the fluid, and selecting different throttle plates according to the pressure difference in the connecting pipeline 1, so as to reduce the pressure of the fluid.
The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. A throttling device for a centrifugal water chilling unit comprises a connecting pipeline (1) and is characterized in that the top of the connecting pipeline (1) is fixedly connected with a fixed seat (2), the top of the connecting pipeline (1) is provided with two installation grooves (101), the fixed seat (2) is provided with two plate placing grooves (201) corresponding to the installation grooves (101), the inner sides of the two plate placing grooves (201) are respectively connected with a first throttle plate (21) and a second throttle plate (22) in a sliding manner, the fixed seat (2) is provided with two operating screws (23), one ends of the two operating screws (23) penetrate through the fixed seat (2), one ends of the two operating screws (23) extend into the plate placing grooves (201), the two operating screws (23) are respectively connected with the first throttle plate (21) and the second throttle plate (22) in a rotating manner, the two operating screw rods (23) are in threaded connection with the fixed seat (2).
2. A throttling device for a centrifugal chiller according to claim 1, wherein said mounting groove (101) communicates with said sheeting groove (201).
3. A throttling device for a centrifugal chiller according to claim 1, characterized in that the top of the fixed base (2) is provided with a sign (25) corresponding to the first and second throttle plates (21, 22).
4. A throttling device for a centrifugal chiller according to claim 1, wherein the diameter of the first throttle plate (21) and the second throttle plate (22) are both equal to the width of the blanking slot (201).
5. A throttling device for a centrifugal chiller according to claim 1, wherein the first throttle plate (21) and the second throttle plate (22) each have a boss (24) at the top, the operating screw (23) rotating within the boss (24).
6. A throttling device for a centrifugal water chilling unit according to claim 5, characterized in that a connecting disc (232) is fixedly connected to one end of the operating screw (23), a connecting circular groove (241) is formed in the boss (24), and the connecting disc (232) rotates in the connecting circular groove (241).
7. A throttling device for a centrifugal chiller according to claim 1, characterized in that the outer walls of both of said operating screws (23) are threaded with a fastening nut (231).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021072879.8U CN212362520U (en) | 2020-06-12 | 2020-06-12 | Throttling device for centrifugal water chilling unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021072879.8U CN212362520U (en) | 2020-06-12 | 2020-06-12 | Throttling device for centrifugal water chilling unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212362520U true CN212362520U (en) | 2021-01-15 |
Family
ID=74152808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021072879.8U Expired - Fee Related CN212362520U (en) | 2020-06-12 | 2020-06-12 | Throttling device for centrifugal water chilling unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212362520U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114791064A (en) * | 2021-01-26 | 2022-07-26 | 中国航发商用航空发动机有限责任公司 | Throttling assembly |
-
2020
- 2020-06-12 CN CN202021072879.8U patent/CN212362520U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114791064A (en) * | 2021-01-26 | 2022-07-26 | 中国航发商用航空发动机有限责任公司 | Throttling assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210115 Termination date: 20210612 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |