CN216789291U - Valve capable of preventing backflow - Google Patents
Valve capable of preventing backflow Download PDFInfo
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- CN216789291U CN216789291U CN202220172722.5U CN202220172722U CN216789291U CN 216789291 U CN216789291 U CN 216789291U CN 202220172722 U CN202220172722 U CN 202220172722U CN 216789291 U CN216789291 U CN 216789291U
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- valve
- groove
- backflow
- side wall
- guide groove
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Abstract
The utility model discloses a valve capable of preventing backflow, and belongs to the field of backflow-preventing valves, and the valve comprises a valve casing, wherein a through groove is formed between the central positions of two side walls of the valve casing, the middle parts of the front and rear side walls of the valve casing are fixedly connected with a matching installation seat, a telescopic pipe is fixedly installed at the position, at the opening of the through groove, of the side wall of one side of the valve casing, a matching installation sleeve is fixedly installed at the position, at the opening of the through groove, of the other side wall of the valve casing, a flow guide groove is formed between the central positions of the two side walls of the matching installation sleeve, a guide groove is formed in the side wall of the flow guide groove, a flow guide plate is slidably connected to the inner side wall of the guide groove, and the flow guide plate is rotatably arranged in the flow guide groove. According to the utility model, the good backflow prevention mechanism is arranged, so that when the liquid diversion and transmission work of the valve is actually carried out, the mechanical backflow prevention mechanism is arranged, the liquid backflow can be well mechanically prevented, and further, unnecessary potential safety hazards are not easily caused.
Description
Technical Field
The utility model relates to the field of anti-backflow valves, in particular to a valve capable of preventing backflow.
Background
Valves (Valve) are mechanical devices that control the flow, direction, pressure, temperature, etc. of a flowing fluid medium, and are essential components in piping systems. Valve tubing is technically the same as pumps and is often discussed as a separate category. The valve can be operated manually or by a hand wheel, a handle or a pedal, and can also change the pressure, the temperature and the flow of the fluid medium through control. The valve can operate continuously or repeatedly for these changes, such as a safety valve installed in a hot water system or a steam boiler.
At present, when current conventional valve lies in the in-service use, lack good anti-return mechanism, actually carry out the liquid water conservancy diversion transmission during operation of valve, its unable fine machinery prevents liquid reflux, and then causes the unnecessary potential safety hazard, in addition it lacks good pipe fit mounting structure and valve body mounting structure, when actually carrying out the valve body installation and arranging, its valve body installation arranges the fastness relatively poor, cooperation installation adaptability between valve body and the pipeline is relatively poor simultaneously, the installation performance of whole valve body is relatively poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the existing valve capable of preventing backflow lacks a good backflow preventing mechanism, a pipeline matching installation structure and a valve body installation structure.
In order to solve the technical problems, the utility model adopts a technical scheme that: the valve capable of preventing backflow comprises a valve shell, wherein a through groove is formed between the central positions of two side walls of the valve shell, and the middle parts of the front side wall and the rear side wall of the valve shell are fixedly connected with a matching mounting seat;
a telescopic pipe is fixedly arranged on the side wall of one side of the valve shell at the opening of the through groove, and a matching installation sleeve is fixedly arranged on the side wall of the other side of the valve shell at the opening of the through groove;
the guiding gutter has been seted up between cooperation installation cover both sides wall central point puts, the guiding gutter has been seted up to the lateral wall under the guiding gutter, guiding gutter inside wall sliding connection has the guide plate, the guide plate rotates and sets up in the guiding gutter, when valve body intercommunication water route, when rivers were transmitted to one side by another side promptly, rivers can assault the guide plate and make it in the guiding gutter internal rotation, the guiding gutter was for carrying out rivers transmission this moment, when the water takes place to flow back, when rivers were transmitted by one side to the opposite side promptly, rivers can assault the guide plate and make its rotate until supporting tight guiding gutter, realize the closure of guiding gutter, can prevent the water refluence this moment.
Preferably, the front side wall and the rear side wall above the diversion trench are rotationally connected with rotating shafts, two opposite side walls of the rotating shafts are fixedly connected with diversion plates, and the diversion plates are in a rotatable design.
Preferably, flexible pipe one side expansion end opening part fixed mounting has flange, and flange is the retractable design, be the upper and lower symmetry between the cooperation mount pad both sides wall and seted up first mounting hole, can cooperate the mounting to carry out the fixed mounting of cooperation mount pad, and then realize the installation of whole valve body, the second mounting hole has been seted up to four corners of cooperation mounting sleeve opposite side lateral wall, can cooperate the mounting to realize the cooperation mounting sleeve and the installation of being connected of pipeline.
Preferably, it has seted up the through-hole to lead to groove top central point and put, the through-hole internal rotation is connected with the valve rod, valve rod roof fixedly connected with valve cap, valve rod diapire fixedly connected with case, the case rotates to be connected in leading to the inslot, can grip the valve cap and rotate the valve rod and drive the case rotation, realizes opening and closing of whole valve body, the valve casing roof is located through-hole opening part fixed mounting and has the sealing washer, the sealing washer internal rotation is connected with the valve rod, and the sealing washer plays the sealed effect of through-hole department.
The utility model has the following beneficial effects:
1. by arranging the good backflow prevention mechanism, when the liquid diversion and transmission work of the valve is actually carried out, the mechanical backflow prevention mechanism is arranged, so that the liquid can be well and mechanically prevented from flowing backwards, and further unnecessary potential safety hazards are not easily caused;
2. according to the utility model, by arranging the good pipeline matching installation structure and the good valve body installation structure, when the valve body is actually installed and arranged, the valve body installation and arrangement firmness is good, and meanwhile, the telescopic installation structure between the valve body and the pipeline is arranged on one side, so that the matching installation adaptability between the actual valve body and the pipeline is good, and the installation performance of the whole valve body is good.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a perspective view of the control valve body of the present invention;
fig. 3 is a schematic structural view of the backflow prevention mechanism of the present invention.
In the figure: 1. a valve housing; 2. a fitting mounting seat; 3. a through groove; 4. a telescopic pipe; 5. fitting the mounting sleeve; 6. a diversion trench; 7. a guide groove; 8. a rotating shaft; 9. a baffle; 10. a connecting flange; 11. a through hole; 12. a valve stem; 13. a valve core; 14. a bonnet; 15. a seal ring; 16. a first mounting hole; 17. and a second mounting hole.
Detailed Description
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the utility model easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the utility model.
Referring to fig. 1 and 3, a valve capable of preventing backflow comprises a valve casing 1, a through groove 3 is formed between the central positions of two side walls of the valve casing 1, a matching mounting seat 2 is fixedly connected to the middle portions of the front and rear side walls of the valve casing 1, an extension tube 4 is fixedly mounted at the opening of the through groove 3 on one side wall of the valve casing 1, a matching mounting sleeve 5 is fixedly mounted at the opening of the through groove 3 on the other side wall of the valve casing 1, a diversion trench 6 is formed between the central positions of the two side walls of the matching mounting sleeve 5, a guide trench 7 is formed on the lower side wall of the diversion trench 6, a diversion plate 9 is slidably connected to the inner side wall of the guide trench 7, the diversion plate 9 is rotatably arranged in the diversion trench 6, when a valve body is communicated with a water path, when water is transmitted from the other side to one side, water can impact the diversion plate 9 to rotate in the diversion trench 6, at the moment, when water body reflows, when rivers were transmitted by a side to the opposite side promptly, rivers can impact guide plate 9 and make it rotate until supporting tight guide way 7, realize the closure of guiding gutter 6, can prevent the water refluence this moment, and the both sides wall rotates around guiding gutter 6 top to be connected with pivot 8, and two pivot 8 lateral wall fixedly connected with guide plate 9 in opposite directions, guide plate 9 are rotatable design.
As shown in fig. 1 and fig. 2, through-hole 11 has been seted up to logical groove 3 top central point, 11 internal rotations in through-hole are connected with valve rod 12, valve rod 12 roof fixedly connected with valve cap 14, valve rod 12 diapire fixedly connected with case 13, case 13 rotates and connects in logical groove 3, can grip valve cap 14 and rotate valve rod 12 and drive case 13 and rotate, realize the logical of whole valve body and close, 1 roof of valve casing is located through-hole 11 opening part fixed mounting has sealing washer 15, 15 internal rotations in sealing washer are connected with valve rod 12, sealing washer 15 plays the sealed effect of through-hole 11 departments.
As shown in fig. 1, a connecting flange 10 is fixedly mounted at an opening of a movable end on one side of the telescopic pipe 4, the connecting flange 10 is designed in a telescopic manner, first mounting holes 16 are symmetrically formed in the two side walls of the matching mounting seat 2 from top to bottom, the fixing member can be matched for fixed mounting of the matching mounting seat 2, then the whole valve body is mounted, second mounting holes 17 are formed in four corners of the side wall on the other side of the matching mounting sleeve 5, and the matching mounting sleeve 5 can be matched for connection and installation with a pipeline.
When the utility model is used, the four corners of the other side wall of the matching installation sleeve 5 are provided with second installation holes 17 which can be matched with a fixing piece to realize the connection installation of the matching installation sleeve 5 and a pipeline, the connecting flange 10 is in a telescopic design and can be matched with the fixing piece to realize the flexible connection installation of the connecting flange 10 and the pipeline, the matching installation adaptability between the actual valve body and the pipeline is better, the first installation holes 16 are symmetrically arranged between the two side walls of the matching installation seat 2 from top to bottom, the fixing piece can be matched with the fixing piece to carry out the fixed installation of the matching installation seat 2, so as to realize the installation of the integral valve body, the installation performance of the integral valve body is better, at the moment, the valve cap 14 can be held to rotate the valve rod 12 to drive the valve core 13 to rotate, the opening and closing of the integral valve body are realized, because the guide plate 9 is rotatably arranged in the guide groove 6, when the valve body is communicated with a water channel, namely when the water flow is transmitted from the other side, the guide plate 9 can be impacted to rotate in the guide groove 6, at this moment, the diversion trench 6 can transmit water flow, when the water body reflows, namely when the water flow is transmitted from one side to the other side, the water flow can impact the diversion plate 9 to enable the diversion plate to rotate until the diversion trench 7 is abutted tightly, the diversion trench 6 is sealed, and the water body can be prevented from flowing backwards at this moment.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. A valve that can prevent backflow, includes valve casing (1), its characterized in that: a through groove (3) is formed between the center positions of the two side walls of the valve shell (1), and the middle parts of the front and rear side walls of the valve shell (1) are fixedly connected with a matching mounting seat (2);
a telescopic pipe (4) is fixedly arranged on the side wall of one side of the valve shell (1) at the opening of the through groove (3), and a matching installation sleeve (5) is fixedly arranged on the side wall of the other side of the valve shell (1) at the opening of the through groove (3);
the guide groove (6) has been seted up between cooperation installation cover (5) both sides wall central point puts, guide groove (7) have been seted up to guide groove (6) lateral wall, guide groove (7) inside wall sliding connection has guide plate (9), guide plate (9) rotate to set up in guide groove (6).
2. A backflow-prevention valve as claimed in claim 1, wherein: the front side wall and the rear side wall above the diversion trench (6) are rotatably connected with a rotating shaft (8).
3. A backflow-preventing valve as claimed in claim 2, wherein: two the pivot (8) opposite side lateral wall fixedly connected with guide plate (9).
4. A backflow-prevention valve as claimed in claim 1, wherein: the telescopic pipe is characterized in that a connecting flange (10) is fixedly mounted at the opening of the movable end on one side of the telescopic pipe (4), first mounting holes (16) are symmetrically formed in the two side walls of the matching mounting seat (2) from top to bottom, and second mounting holes (17) are formed in four corners of the side wall of the other side of the matching mounting sleeve (5).
5. A backflow-prevention valve as claimed in claim 1, wherein: a through hole (11) is formed in the center of the top of the through groove (3), and a valve rod (12) is rotatably connected to the through hole (11).
6. A backflow prevention valve as claimed in claim 5, wherein: valve rod (12) roof fixedly connected with valve cap (14), valve rod (12) diapire fixedly connected with case (13), case (13) rotate to be connected in logical groove (3).
7. A backflow-prevention valve as claimed in claim 1, wherein: valve casing (1) roof is located through-hole (11) opening part fixed mounting has sealing washer (15), sealing washer (15) internal rotation is connected with valve rod (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220172722.5U CN216789291U (en) | 2022-01-22 | 2022-01-22 | Valve capable of preventing backflow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220172722.5U CN216789291U (en) | 2022-01-22 | 2022-01-22 | Valve capable of preventing backflow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216789291U true CN216789291U (en) | 2022-06-21 |
Family
ID=82015929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220172722.5U Active CN216789291U (en) | 2022-01-22 | 2022-01-22 | Valve capable of preventing backflow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216789291U (en) |
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2022
- 2022-01-22 CN CN202220172722.5U patent/CN216789291U/en active Active
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