CN217153123U - Magnetic swing type backflow preventer - Google Patents
Magnetic swing type backflow preventer Download PDFInfo
- Publication number
- CN217153123U CN217153123U CN202220809115.5U CN202220809115U CN217153123U CN 217153123 U CN217153123 U CN 217153123U CN 202220809115 U CN202220809115 U CN 202220809115U CN 217153123 U CN217153123 U CN 217153123U
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- China
- Prior art keywords
- guide block
- preventer
- movable
- fixed
- swing type
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 49
- 230000000694 effects Effects 0.000 claims abstract description 4
- 230000005389 magnetism Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 238000012544 monitoring process Methods 0.000 abstract description 4
- 239000008400 supply water Substances 0.000 abstract description 3
- 239000007769 metal material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/15—Leakage reduction or detection in water storage or distribution
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Abstract
The utility model discloses a magnetic swing type backflow preventer, which is provided with a preventer body, wherein one end of the preventer body is provided with a water inlet; the movable shaft is movably arranged inside the preventer body, a connecting arm is fixedly sleeved on the outer side of the movable shaft, and a second valve plate is arranged at the bottom of the other connecting arm; the method comprises the following steps: a fixed cavity is formed in the valve seat, a guide block is movably arranged in the fixed cavity, a ball is embedded in the surface of the guide block, and a movable plate is fixed on the side face of the guide block; the guide block passes through reset spring and the inner wall interconnect in fixed chamber, and the internal activity of preventing ware of guide block top runs through there is the movable rod, the top of movable rod is fixed with observes the cap. This magnetism swing backflow preventer when supplying water or stopping to supply water, can look over the size of discharge according to the motion of movable rod, need not to use specific water yield monitoring facilities, can more audio-visual monitor the water yield size.
Description
Technical Field
The utility model relates to a backflow preventer technical field specifically is a magnetism swing type backflow preventer.
Background
The backflow preventer is often used in the water pipeline, can open automatically so that rivers pass through when supplying water, and can automatic closure after stopping supplying water, play the effect that prevents the refluence, can enough reduce the waste of water resource, can cause the phenomenon of pollution again in the water reflux of pipeline, therefore backflow preventer wide application in current water supply equipment, current backflow preventer still has following shortcoming in the in-service use process nevertheless:
traditional backflow preventer is made for opaque metal material, consequently when supplying water and stopping supplying water, can't audio-visual look over to leading to the water state, often need install the equipment to water flow monitoring, therefore backflow preventer lacks the structure that directly monitors water flow when using, to above-mentioned problem, urgently needs to carry out the innovative design on original backflow preventer's basis.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a magnetism swing-type backflow preventer to solve above-mentioned background and propose traditional backflow preventer and make for opaque metal material, consequently when supplying water and stopping to supply water, can't audio-visual look over to leading to the water state, often need install the equipment to water flow monitoring, consequently backflow preventer lacks the problem of the structure that directly monitors water flow when using.
In order to achieve the above object, the utility model provides a following technical scheme: a magnetic swing type backflow preventer is provided with an preventer body, wherein one end of the preventer body is provided with a water inlet, and the other end of the preventer body is provided with a water outlet;
the movable shaft is movably arranged inside the preventer body, a connecting arm is fixedly sleeved on the outer side of the movable shaft, a first valve plate is mounted at the bottom of the connecting arm through a bolt, a second valve plate is arranged at the bottom of the other connecting arm, and valve seats are fixed in the preventer body on the side of the first valve plate and the second valve plate;
the method comprises the following steps:
a fixed cavity is formed in the valve seat, a guide block is movably arranged in the fixed cavity, a ball is embedded in the surface of the guide block, and a movable plate is fixed on the side face of the guide block;
the guide block passes through reset spring and the inner wall interconnect in fixed chamber, and the internal activity of preventing of ware above the guide block runs through there is the movable rod, the top of movable rod is fixed with observes the cap, and the side of movable rod is carved with the scale mark.
Preferably, the connecting arm passes through the loose axle and constitutes revolution mechanic with the preventer body, and the turned angle of connecting arm is less than 90 to this internal 2 groups that are provided with of loose axle and connecting arm at the preventer, the connecting arm passes through the rotation that the loose axle drove the valve plate, can realize the intercommunication or the shutoff of rivers.
Preferably, the cross-section of guide block is the right triangle-shaped structure, and the inclined plane of guide block evenly is provided with the ball to the horizontal plane and the fixed chamber laminating of guide block slide, consequently the valve plate removes the suppression to the fly leaf when leading to water, can realize through reset spring's resilience that the guide block removes in fixed intracavity portion.
Preferably, the vertical surface of the guide block is fixedly connected with the movable plate, and the section of the movable plate is
The movable plate and the valve seat form a sliding structure, and when the guide block moves, the movable plate can be driven to move synchronously in the fixed cavity, so that the guide block can be pushed to move reversely by the movable plate when a subsequent valve plate is closed.
Preferably, the bottom of fly leaf contacts with the inclined plane of guide block, and fly leaf and preventing the ware body and constitute fore-and-aft sliding construction, can remove the conflict to the movable rod bottom after the guide block removes, can drive the movable rod like this and be the lift of different ranges, can look over water flow size.
Compared with the prior art, the beneficial effects of the utility model are that: this magnetism swing backflow preventer when supplying water or stopping to supply water, can look over the size of discharge according to the motion of movable rod, need not to use specific water yield monitoring facilities, can more audio-visual monitor the water yield size, specific content as follows:
1. when water flows through the interior of the device, the first valve plate can rotate, so that the pressing of the movable plate is relieved, the guide block can be driven to move through the elasticity of the reset spring, the movable plate is further pushed to move synchronously, the extended movable plate is convenient to push the first valve plate when the first valve plate is closed subsequently, and the guide block is driven to restore to the original position;
2. the restriction to the movable rod can be removed when the guide block moves, the movable rod can descend to different heights according to the moving distance of the guide block, the water flow inside the device can be rapidly known through observing the cap and the scale marks, the valve plate can be driven to rotate to the maximum degree when the water flow is maximum, the guide block can move to the maximum distance, and the movable rod is driven to descend to the lowest position.
Drawings
FIG. 1 is a schematic view of a front cross-sectional structure of the present invention;
FIG. 2 is a schematic view of the front cut structure of the valve seat of the present invention;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;
fig. 4 is a schematic view of the three-dimensional structure of the guide block of the present invention;
fig. 5 is the structure schematic diagram of the valve plate of the utility model after rotating.
In the figure: 1. an arrestor body; 2. a water inlet; 3. a water outlet; 4. a movable shaft; 5. a connecting arm; 6. a first valve plate; 7. a second valve plate; 8. a valve seat; 9. a fixed cavity; 10. a guide block; 11. a ball bearing; 12. a movable plate; 13. a return spring; 14. a movable rod; 15. an observation cap; 16. scale lines are marked.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a magnetic swing type backflow preventer is provided with a preventer body 1, wherein one end of the preventer body 1 is provided with a water inlet 2, and the other end of the preventer body 1 is provided with a water outlet 3; the movable shaft 4 is movably arranged inside the preventer body 1, the outer side of the movable shaft 4 is fixedly sleeved with a connecting arm 5, the bottom of the connecting arm 5 is provided with a first valve plate 6 through a bolt, the bottom of the other connecting arm 5 is provided with a second valve plate 7, and valve seats 8 are fixed in the preventer body 1 at the sides of the first valve plate 6 and the second valve plate 7;
the method comprises the following steps: a fixed cavity 9 is formed in the valve seat 8, a guide block 10 is movably arranged in the fixed cavity 9, a ball 11 is embedded in the surface of the guide block 10, and a movable plate 12 is fixed on the side surface of the guide block 10; the guide block 10 is connected with the inner wall of the fixed cavity 9 through a return spring 13, a movable rod 14 penetrates through the interior of the preventer body 1 above the guide block 10, an observation cap 15 is fixed at the top of the movable rod 14, and scale lines 16 are drawn on the side face of the movable rod 14.
As shown in fig. 1 and 5, the connecting arm 5 forms a rotating structure through the movable shaft 4 and the preventer body 1, and the rotating angle of the connecting arm 5 is smaller than 90 °, and 2 sets of the movable shaft 4 and the connecting arm 5 are arranged in the preventer body 1, when water flows through the preventer body 1, water flow can impact the first valve plate 6, and further drive the first valve plate to rotate through the connecting arm 5, so that the water flow passes through the second valve plate 7, and then impact the second valve plate 7, so that the water flow continues to flow, and when the water flow stops, the valve plate can reversely rotate and attach to the valve seat 8 through the gravity of the valve plate, so as to play a role of blocking, and prevent the discharged water from flowing backwards;
as shown in fig. 2-4, the cross section of the guide block 10 is a right triangle structure, and the inclined surface of the guide block 10 is uniformly arrangedThe ball 11 is arranged, the horizontal surface of the guide block 10 is attached to the fixed cavity 9 to slide, when water flows through the guide block, the first valve plate 6 rotates, and then the pressing of the movable plate 12 is released, so that the guide block 10 can be driven to move in the fixed cavity 9 through the elasticity of the return spring 13; the vertical surface of the guide block 10 is fixedly connected with the movable plate 12, and the section of the movable plate 12 is
The movable plate 12 and the valve seat 8 form a sliding structure; the bottom of the movable plate 12 contacts with the inclined plane of the guide block 10, and the movable plate 12 and the preventer body 1 form a longitudinal sliding structure, the guide block 10 can drive the movable plate 12 to move synchronously in the fixed cavity 9 after moving, and the first valve plate 6 can rotate at different angles according to the water flow, so that the movable plate 12 and the guide block 10 have different moving distances, the guide block 10 can release the collision on the movable rod 14 after moving, and the movable rod 14 slides downwards, so that the water flow can be quickly checked through the downward movement distance of the movable rod 14, the observation cap 15 and the scale mark 16, when the water amount is reduced, the movable rod 14 can be pushed by the guide block 10 to slide upwards, and when the movable rod 14 contacts with the guide block 10, the smoothness of movement can be improved through the balls 11.
The working principle is as follows: as shown in fig. 1 to 5, when water flows through the inside of the device, the first valve plate 6 can be impacted to slide the second valve plate 7, and the first valve plate 6 and the second valve plate are driven to rotate to realize water flowing, the pressing on the movable plate 12 can be released when the first valve plate 6 rotates, so that the downward movement of the movable rod 14 can be realized, the first valve plate 6 can be rotated to different angles through the size of water flow, the guide block 10 can be driven to move for different distances, and then the descending heights of the movable rod 14 are different, so that the water amount can be checked more intuitively.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (5)
1. A magnetic swing type backflow preventer is provided with a preventer body (1), wherein one end of the preventer body (1) is provided with a water inlet (2), and the other end of the preventer body (1) is provided with a water outlet (3);
the movable shaft (4) is movably arranged inside the preventer body (1), the outer side of the movable shaft (4) is fixedly sleeved with a connecting arm (5), the bottom of the connecting arm (5) is provided with a first valve plate (6) through a bolt, the bottom of the other connecting arm (5) is provided with a second valve plate (7), and valve seats (8) are fixed in the preventer body (1) at the sides of the first valve plate (6) and the second valve plate (7);
it is characterized by comprising:
a fixed cavity (9) is formed in the valve seat (8), a guide block (10) is movably arranged in the fixed cavity (9), a ball (11) is embedded into the surface of the guide block (10), and a movable plate (12) is fixed on the side surface of the guide block (10);
the inner wall interconnect of guide block (10) through reset spring (13) and fixed chamber (9), and the interior activity of preventing ware body (1) top of guide block (10) runs through has movable rod (14), the top of movable rod (14) is fixed with observes cap (15), and the side of movable rod (14) is carved with scale mark (16).
2. The magnetic swing type backflow preventer according to claim 1, wherein: rotating structure is constituteed through loose axle (4) and preventer body (1) in linking arm (5), and the turned angle of linking arm (5) is less than 90 to loose axle (4) and linking arm (5) are provided with 2 groups in preventer body (1).
3. The magnetic swing type backflow preventer according to claim 1, wherein: the cross section of the guide block (10) is of a right-angled triangle structure, balls (11) are uniformly arranged on the inclined surface of the guide block (10), and the horizontal surface of the guide block (10) is attached to the fixed cavity (9) in a sliding mode.
4. A magnetic swing type backflow preventer as claimed in claim 1, wherein: the vertical surface of the guide block (10) is fixedly connected with the movable plate (12), and the section of the movable plate (12) is
The structure is a square structure, and the movable plate (12) and the valve seat (8) form a sliding structure.
5. The magnetic swing type backflow preventer according to claim 1, wherein: the bottom of the movable plate (12) is in contact with the inclined surface of the guide block (10), and the movable plate (12) and the preventer body (1) form a longitudinal sliding structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220809115.5U CN217153123U (en) | 2022-04-08 | 2022-04-08 | Magnetic swing type backflow preventer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220809115.5U CN217153123U (en) | 2022-04-08 | 2022-04-08 | Magnetic swing type backflow preventer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217153123U true CN217153123U (en) | 2022-08-09 |
Family
ID=82699595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220809115.5U Active CN217153123U (en) | 2022-04-08 | 2022-04-08 | Magnetic swing type backflow preventer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217153123U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115624996A (en) * | 2022-10-27 | 2023-01-20 | 生态环境部南京环境科学研究所 | Device for biological experiment for high-grade biological safety laboratory |
-
2022
- 2022-04-08 CN CN202220809115.5U patent/CN217153123U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115624996A (en) * | 2022-10-27 | 2023-01-20 | 生态环境部南京环境科学研究所 | Device for biological experiment for high-grade biological safety laboratory |
| CN115624996B (en) * | 2022-10-27 | 2023-04-14 | 生态环境部南京环境科学研究所 | Device for biological experiment for high-grade biological safety laboratory |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A magnetic rotary backflow preventer Granted publication date: 20220809 Pledgee: China Construction Bank Corporation Longyao Sub-branch Pledgor: YUANDA VAVLE GROUP Co.,Ltd. Registration number: Y2024980015312 |