CN208296354U - Cooling-water machine water flow clockwise and counterclockwise rotation switching device - Google Patents
Cooling-water machine water flow clockwise and counterclockwise rotation switching device Download PDFInfo
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- CN208296354U CN208296354U CN201820736911.4U CN201820736911U CN208296354U CN 208296354 U CN208296354 U CN 208296354U CN 201820736911 U CN201820736911 U CN 201820736911U CN 208296354 U CN208296354 U CN 208296354U
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Abstract
The utility model discloses cooling-water machine water flow clockwise and counterclockwise rotation switching devices, including first pipe, the water pump in the first pipe, Venturi tube, second pipe, third pipeline and the 4th pipeline；The Venturi tube includes contraction flow region, throat and enlarged portion, one end of the first pipe is connected to cooling-water machine water tank, the other end connects the throat, the contraction flow region connects the second pipe, the other end of the second pipe is connected to cold water application apparatus, the enlarged portion connects the cooling-water machine water tank by the third pipeline, and the 4th pipe ends are respectively communicated with the cooling-water machine water tank and cold water application apparatus；The third pipeline is equipped with valve.The cooling-water machine of the utility model water flow clockwise and counterclockwise rotation switching device, it is easy to control, it can be very good the positive anti-switching of water flow for realizing cooling-water machine.In some embodiments, it is additionally provided with filter device, realizes the automatic collection of foreign matter in recirculated water filtering and water.
Description
Technical field
The utility model belongs to circularly cooling field, and in particular to cooling-water machine water flow clockwise and counterclockwise rotation switching device.
Background technique
Water-cooled cooling water machine by the circulating chilled water in cooling-water machine water tank to cold water application apparatus is needed, with cold water application
Equipment carries out heat exchange, so that cold water application apparatus keeps certain temperature.
Present some cold water application apparatus have special requirement, the water inlet and cold water of cold water application apparatus to circulating chilled water
Mouthful the positive anti-switching of water flow have many effects, for example back flush tamper may be implemented etc..
Utility model content
In view of the above-mentioned problems, the utility model provides a kind of cooling-water machine water flow clockwise and counterclockwise rotation switching device, specific structure is such as
Under:
Cooling-water machine water flow clockwise and counterclockwise rotation switching device, including first pipe, the water pump in the first pipe, Wen
Pipe, second pipe, third pipeline and the 4th pipeline；The Venturi tube includes contraction flow region, throat and enlarged portion, the first pipe
One end be connected to cooling-water machine water tank, the other end connects the throat, and the contraction flow region connects the second pipe, second pipe
Road protrudes into the throat and is more than the junction of the first pipe and throat, the pipe for protruding into the throat of the second pipe
The diameter in road is less than the diameter of the throat；The other end of the second pipe is connected to cold water application apparatus, and the enlarged portion is logical
It crosses the third pipeline and connects the cooling-water machine water tank, the 4th pipe ends are respectively communicated with the cooling-water machine water tank and cold water
Application apparatus；The third pipeline is equipped with valve.
Optionally, the first pipe is vertical with the throat connect or tilts connection.
Optionally, the valve is solenoid valve.
Optionally, the first pipe is equipped with water pressure gauge.
Optionally, one end of the connection cooling-water machine water tank of the first pipe, third pipeline and the 4th pipeline was equipped with
Device is filtered, the filter device includes filter core and fixed device；The filter core includes net cylinder and square able to turn on or off；The fixation
Device includes first annular plate and second annular canister vertical with the first annular plate, and second annular canister is equipped with several
A through-hole；The first pipe, third pipeline or the 4th pipeline are equipped with ring in the corresponding position of tail end of second annular canister
Shape protrusion；The first pipe, third pipeline or the 4th pipeline are equipped with blind hole in the position of the correspondence through-hole；It further include penetrating
The pin of the through-hole and blind hole.
Further alternative, described square one end is connect by shaft with the net cylinder, the shaft and stepper motor
Export axis connection.
In the description of the present invention, term " front end ", " bottom ", " one end ", "outside", "horizontal", "inner", "upper",
The instructions such as " top ", " rear end ", " both ends ", "horizontal", " lower section ", " inside ", " lower end ", " lower section ", " lower part ", " top "
Orientation or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is that the utility model and simplification are retouched for ease of description
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it should not be understood as limiting the present invention.
The utility model has the advantages that
The cooling-water machine of the utility model water flow clockwise and counterclockwise rotation switching device, in some embodiments, structure is simple, controlling party
Just, it can be very good the positive anti-switching of water flow of realization cooling-water machine.Forward and reverse flowing of water flow can also wash away in pipeline and equipment
Blocking foreign matter.In some embodiments, it is additionally provided with filter device, recirculated water filtering not only may be implemented, but also water may be implemented
The automatic collecting device of middle foreign matter.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of 1 cooling-water machine water flow clockwise and counterclockwise rotation switching device of embodiment；
Fig. 2 is the structural schematic diagram of the Venturi tube of 1 cooling-water machine water flow clockwise and counterclockwise rotation switching device of embodiment；
Fig. 3 is the flow direction schematic diagram when valve of 1 cooling-water machine water flow clockwise and counterclockwise rotation switching device of embodiment is closed；
Fig. 4 is the flow direction schematic diagram when valve of 1 cooling-water machine water flow clockwise and counterclockwise rotation switching device of embodiment is opened；
Fig. 5 is the sectional view of the filter device of 2 cooling-water machine water flow clockwise and counterclockwise rotation switching device of embodiment；
The scale bar and disunity of each figure in the figures above, clear in order to watch, each figure is fitted on the basis of existing
When scaling.
In figure, first pipe 5, water pump 3, Venturi tube 9, second pipe 6, third pipeline 8, the 4th pipeline 7, contraction flow region 91,
Throat 92, enlarged portion 93, cooling-water machine water tank 1, cold water application apparatus 2, valve 4, net cylinder 911, square 912, first annular plate
921, the second annular canister 922, through-hole 923, annular protrusion 914, blind hole 913.
Specific embodiment
By the technology contents of the utility model are described in detail, construction feature, are reached purpose and efficacy, reality is hereby enumerated below
It applies example and attached drawing is cooperated to be explained in detail.
Embodiment 1
Cooling-water machine water flow clockwise and counterclockwise rotation switching device, as shown in Figure 1, including first pipe 5, being located in the first pipe 5
Water pump 3, Venturi tube 9, second pipe 6, third pipeline 8 and the 4th pipeline 7；As shown in connection with fig. 2, the Venturi tube 9 includes receiving
Contracting portion 91, throat 92 and enlarged portion 93, one end of the first pipe 5 are connected to cooling-water machine water tank 1, and the other end connects the throat
92, the contraction flow region 91 connects the second pipe 6, and the second pipe 6 protrudes into the throat 92 and is more than first pipe
The diameter of the junction in road 5 and throat 92, the pipeline for protruding into the throat 92 of the second pipe 6 is less than the throat 92
Diameter；The other end of the second pipe 6 is connected to cold water application apparatus 2, and the enlarged portion 93 is connected by the third pipeline 8
The cooling-water machine water tank 1 is connect, 7 both ends of the 4th pipeline are respectively communicated with the cooling-water machine water tank 1 and cold water application apparatus 2；Institute
Third pipeline 8 is stated equipped with valve 4.The first pipe 5 is vertical with the throat 92 to connect or tilts connection.
The cooling-water machine of the present embodiment water flow clockwise and counterclockwise rotation switching device, when valve 4 is closed, current direction is as shown in figure 3, water
Stream under the action of pumping 3, into first pipe 5, then enters second by the contraction flow region 91 of Venturi tube 9 from cooling-water machine water tank 1
Pipeline 6 can flow into cooling-water machine water tank 1 into cold water application apparatus 2, then from the 4th pipeline 7.When valve 4 is opened, current direction
As shown in figure 4, water flow from cooling-water machine water tank 1 under the action of pumping 3, into first pipe 5, then by the expansion of Venturi tube 9
Portion 93, third pipeline 8 enter cooling-water machine water tank 1, simultaneously as the negative pressure that Venturi tube 9 generates, the water of cold water application apparatus 2 is from the
Two pipelines 6 enter cooling-water machine water tank 1 through contraction flow region 91, third pipeline 8 through Venturi tube 9, and the water in the 4th pipeline 7 is reversed
Enter cold water application apparatus 2 from cooling-water machine water tank 1.
The present embodiment cooling-water machine water flow clockwise and counterclockwise rotation switching device, the valve 4 can be solenoid valve, facilitate water flow forward and reverse
Switching.Water pressure gauge can be equipped in the first pipe 5, to investigate the hydraulic pressure in first pipe 5.
The present embodiment cooling-water machine water flow clockwise and counterclockwise rotation switching device, structure is simple, easy to control, can be very good to realize cold water
The positive anti-switching of the water flow of machine.Forward and reverse flowing of water flow can also wash away the blocking foreign matter in pipeline and equipment.
Embodiment 2
Difference from example 1 is that as shown in figure 5, the first pipe 5, third pipeline 8 and the 4th pipeline 7
One end of connection cooling-water machine water tank 1 be equipped with filter device, the filter device includes filter core and fixed device；The filter core
Including net cylinder 911 and square 912 able to turn on or off；The fixed device include first annular plate 921 and with the first annular plate
921 the second vertical annular canisters 922, second annular canister 922 are equipped with several through-holes 923；The first pipe 5,
Three pipelines 8 or the 4th pipeline 7 are equipped with annular protrusion 914 in the corresponding position of tail end of second annular canister 922；Described
One pipeline 5, third pipeline 8 or the 4th pipeline 7 are equipped with blind hole 913 in the position of the correspondence through-hole 923；Further include penetrate it is described
The pin of through-hole 923 and blind hole 913.
The present embodiment cooling-water machine water flow clockwise and counterclockwise rotation switching device, further includes filter device, and filter device is arranged in each pipe
Road can prevent the foreign matter in connection cooling-water machine water tank from entering cold water application apparatus, prevent in one end of connection cooling-water machine water tank
Therefore it is blocked caused by.The filter device of the present embodiment cooling-water machine water flow clockwise and counterclockwise rotation switching device, in water flow from cooling-water machine water tank
When into pipeline, annular protrusion can resist the tail end of the second annular canister, and when water flow enters cooling-water machine water tank from pipeline, it wears
The pin for entering the through-hole and blind hole can prevent it from slipping from pipeline with fixed filter unit, no matter the forward and reverse of water flow
Flowing can not be influenced by water flow.Square enters pipeline from cooling-water machine water tank in water flow and opens, and enters in water flow from pipeline
It is closed when cooling-water machine water tank, the collection of tamper in recirculated water may be implemented.
Preferably, described square one end is connect by shaft with the net cylinder, the output shaft of the shaft and stepper motor
Connection, the positive and negative rotation of stepper motor realize the automatic open-close of square.
The present embodiment cooling-water machine water flow clockwise and counterclockwise rotation switching device, is additionally provided with filter device, and recirculated water filtering both may be implemented,
The automatic collecting device of foreign matter in water may be implemented again.
In conclusion the preferred embodiment of only the utility model, does not limit the protection scope of the utility model with this, it is all
Equivalent changes and modifications made according to the scope of the patent of the utility model and the content of the manual are all what the utility model patent covered
Within the scope of.
Claims (6)
1. cooling-water machine water flow clockwise and counterclockwise rotation switching device, which is characterized in that including first pipe (5), be located at the first pipe (5)
On water pump (3), Venturi tube (9), second pipe (6), third pipeline (8) and the 4th pipeline (7)；
The Venturi tube (9) includes contraction flow region (91), throat (92) and enlarged portion (93), and one end of the first pipe (5) connects
Logical cooling-water machine water tank (1), the other end connect the throat (92), and the contraction flow region (91) connects the second pipe (6), described
Second pipe (6) protrudes into the throat (92) and is more than the junction of the first pipe (5) and throat (92), second pipe
The diameter of the pipeline for protruding into the throat (92) in road (6) is less than the diameter of the throat (92)；The second pipe (6) it is another
One end is connected to cold water application apparatus (2), and the enlarged portion (93) connects the cooling-water machine water tank by the third pipeline (8)
(1), the 4th pipeline (7) both ends are respectively communicated with the cooling-water machine water tank (1) and cold water application apparatus (2)；
The third pipeline (8) is equipped with valve (4).
2. cooling-water machine as described in claim 1 water flow clockwise and counterclockwise rotation switching device, which is characterized in that the first pipe (5) with
The throat (92) vertically connection or inclination connection.
3. cooling-water machine as described in claim 1 water flow clockwise and counterclockwise rotation switching device, which is characterized in that the valve (4) is electromagnetism
Valve.
4. cooling-water machine as described in claim 1 water flow clockwise and counterclockwise rotation switching device, which is characterized in that on the first pipe (5)
Equipped with water pressure gauge.
5. cooling-water machine as described in claim 1 water flow clockwise and counterclockwise rotation switching device, which is characterized in that the first pipe (5),
Three pipelines (8) are equipped with filter device, the filter device packet with one end for being connected to cooling-water machine water tank (1) of the 4th pipeline (7)
Include filter core and fixed device；
The filter core includes net cylinder (911) and square able to turn on or off (912)；
The fixed device includes first annular plate (921) and second annular canister vertical with first annular plate (921)
(922), second annular canister (922) is equipped with several through-holes (923)；
The first pipe (5), third pipeline (8) or the 4th pipeline (7) are corresponding in the tail end of second annular canister (922)
Position is equipped with annular protrusion (914)；The first pipe (5), third pipeline (8) or the 4th pipeline (7) are in the correspondence through-hole
(923) position is equipped with blind hole (913)；It further include the pin for penetrating the through-hole (923) and blind hole (913).
6. cooling-water machine as claimed in claim 5 water flow clockwise and counterclockwise rotation switching device, which is characterized in that described square (912) one end
It is connect by shaft with the net cylinder (911), the output axis connection of the shaft and stepper motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820736911.4U CN208296354U (en) | 2018-05-17 | 2018-05-17 | Cooling-water machine water flow clockwise and counterclockwise rotation switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820736911.4U CN208296354U (en) | 2018-05-17 | 2018-05-17 | Cooling-water machine water flow clockwise and counterclockwise rotation switching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208296354U true CN208296354U (en) | 2018-12-28 |
Family
ID=64727973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820736911.4U Expired - Fee Related CN208296354U (en) | 2018-05-17 | 2018-05-17 | Cooling-water machine water flow clockwise and counterclockwise rotation switching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208296354U (en) |
-
2018
- 2018-05-17 CN CN201820736911.4U patent/CN208296354U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181228 Termination date: 20200517 |