CN210423792U - Diaphragm valve with uniformly stressed diaphragm - Google Patents
Diaphragm valve with uniformly stressed diaphragm Download PDFInfo
- Publication number
- CN210423792U CN210423792U CN201921307984.2U CN201921307984U CN210423792U CN 210423792 U CN210423792 U CN 210423792U CN 201921307984 U CN201921307984 U CN 201921307984U CN 210423792 U CN210423792 U CN 210423792U
- Authority
- CN
- China
- Prior art keywords
- seat
- diaphragm
- movable part
- flow guide
- reinforcing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Lift Valve (AREA)
Abstract
The diaphragm valve with uniform diaphragm stress comprises a valve body, a diaphragm main body and a pressure plate, wherein a bottom guide seat and a top guide seat are arranged inside the valve body, and a flow guide chamber is formed in a region enclosed between the top guide seat and the bottom guide seat; the diaphragm is characterized in that the outer edge of the diaphragm main body is a fixed part, and the middle area of the diaphragm main body is a movable part; the center of the pressing plate is in threaded connection with an adjusting mechanism, the adjusting mechanism comprises an adjusting part, a fixing seat, a connecting rod and a reinforcing seat, the adjusting part penetrates through the pressing plate in a threaded mode, and the bottom end of the adjusting part is rotatably embedded into the fixing seat. The utility model discloses a reinforcing seat can follow supreme movable part application of force down, under the combined action of reinforcing seat, fixing base, can effectually avoid the diaphragm pine to take off, and the atress of movable part when removing is bigger, more even.
Description
Technical Field
The utility model belongs to the technical field of the diaphragm valve processing, in particular to diaphragm valve that the diaphragm atress is even.
Background
The diaphragm valve has a structural form which is different from that of a common valve and is a cut-off valve in a special form, and an opening and closing part of the cut-off valve is a diaphragm made of soft materials, so that an inner cavity of a valve body is separated from an inner cavity of a valve cover and a driving part, and the cut-off valve is widely used in various fields;
how the sealing performance of diaphragm valve has had close relation with the atress state of diaphragm, and the adjustment mechanism of diaphragm valve only is connected with the surface of diaphragm, and the diaphragm only receives ascending power when opening, and when acting for a long time, the junction of diaphragm surface and adjustment mechanism can have local pine to take off, and then atress inequality when leading to the diaphragm to act influences sealed effect.
SUMMERY OF THE UTILITY MODEL
The utility model discloses not enough to prior art exists provides the diaphragm valve that the diaphragm atress is even, and concrete technical scheme is as follows:
the diaphragm valve with uniform diaphragm stress comprises a valve body, a diaphragm main body and a pressure plate, wherein a bottom guide seat and a top guide seat are arranged inside the valve body, and a flow guide chamber is formed in a region enclosed between the top guide seat and the bottom guide seat; the diaphragm is characterized in that the outer edge of the diaphragm main body is a fixed part, and the middle area of the diaphragm main body is a movable part; the center department threaded connection adjustment mechanism of clamp plate, adjustment mechanism includes adjusting part, fixing base, connecting rod and reinforcement seat, the adjusting part screw thread passes the clamp plate, adjusting part's bottom rotate the embedding in the inside of fixing base, the fixing base is located movable part's surperficial center department, the bottom fixed connection connecting rod of fixing base, the connecting rod passes movable part's center department, the bottom of connecting rod is equipped with reinforcement seat, movable part is located reinforcement seat between the fixing base, the surperficial central line department of bottom water conservancy diversion seat open have with reinforcement seat complex seal groove.
Furthermore, the protruding part of the bottom surface of the movable part is a sealing element, the sealing element is embedded in the sealing groove, and the reinforcing seat is arranged on the bottom surface of the movable part.
Further, the length of the reinforcing seat is the same as the width of the movable part, and the bottom surface of the reinforcing seat is of an arc-shaped structure matched with the middle of the bottom flow guide seat.
Furthermore, the bottom surface of the pressing plate is provided with a pressing seat, the pressing seat and the inner side surface of the top flow guide seat are arranged oppositely, a gap between the top flow guide seat and the pressing seat is a limiting groove, and the movable part is attached to the inner part of the limiting groove and penetrates through the gap.
Furthermore, the inner side surface of the top flow guide seat is of a concave arc shape, and the side surface of the pressing seat opposite to the top flow guide seat is of a convex arc shape.
Further, the inside slip embedding of seal groove has the fore-set, the both sides of fore-set are equipped with the slider, the inner wall of seal groove open have with slider complex spout, the inside of spout is fixed with the spring, the spring is located the top of slider, the fore-set is used for releasing liquid in the seal groove, the top surface of fore-set with the seamless laminating of bottom surface of reinforcing seat.
Furthermore, the adjusting part comprises a handle and a pressing rod, the pressing rod penetrates through the pressing plate through threads, the top end of the pressing rod is connected with the handle, and the bottom end of the pressing rod is rotatably embedded into the fixed seat.
The utility model has the advantages that:
1. the force can be applied to the movable part from bottom to top through the reinforcing seat, the diaphragm can be effectively prevented from loosening under the combined action of the reinforcing seat and the fixed seat, and the movable part is more uniformly stressed when moving;
2. the pressing seat is used for limiting the edge area of the movable part, the structure of the movable part is firmer through two modes of edge limiting and middle limiting, and uneven stress of the diaphragm caused by local loosening can be effectively avoided;
3. the fore-set can be when the valve body is opened, with the liquid release in the seal groove to avoid liquid gathering, still can avoid impurity gathering, guarantee that the sealing member can stably be embedded into in the seal groove.
Drawings
Fig. 1 shows a schematic structural diagram of a diaphragm valve with a uniformly stressed diaphragm according to the present invention;
fig. 2 shows an enlarged schematic structure diagram at a of the present invention;
fig. 3 shows a schematic view of the connection structure of the adjusting mechanism and the diaphragm main body of the present invention;
FIG. 4 is a schematic view showing the open state of the valve body shown in FIG. 2;
fig. 5 shows an enlarged schematic structure at B of the present invention;
shown in the figure: 1. the valve comprises a valve body, 11, a bottom guide seat, 111, a sealing groove, 112, a sliding groove, 113, a spring, 12, a top guide seat, 13, a guide chamber, 2, a diaphragm main body, 21, a fixed part, 22, a movable part, 221, a sealing element, 3, a pressing plate, 31, a pressing seat, 4, a limiting groove, 5, an adjusting mechanism, 51, a handle, 52, a pressing rod, 53, a fixed seat, 54, a connecting rod, 55, a reinforcing seat, 6, a top column, 61 and a sliding block.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The diaphragm valve with uniform diaphragm stress comprises a valve body 1, a diaphragm main body 2 and a pressure plate 3, wherein a bottom guide seat 11 and a top guide seat 12 are arranged inside the valve body 1, and a flow guide cavity 13 is defined by a region enclosed between the top guide seat 12 and the bottom guide seat 11; the diversion chamber 13 is used for conveying liquid;
the outer edge of the diaphragm main body 2 is a fixed part 21, and the middle area of the diaphragm main body 2 is a movable part 22; the fixed part 21 is made of hard rubber and cannot deform, the movable part 22 is made of flexible rubber and can deform, and the movable part 22 is used for sealing the diversion chamber 13; the fixing part 21 is arranged between the pressure plate 3 and the valve body 1, the pressure plate 3 is fixedly connected with the valve body 1 through a screw, and the connected screw also penetrates through the fixing part 21;
the center of the pressing plate 3 is in threaded connection with an adjusting mechanism 5, the adjusting mechanism 5 comprises an adjusting part, a fixed seat 53, a connecting rod 54 and a reinforcing seat 55, the adjusting part is threaded through the pressing plate 3, the bottom end of the adjusting part is rotatably embedded into the fixed seat 53, and the adjusting part is rotated to drive the movable part 22 to move up and down under the matching action of internal threads and external threads;
the fixed seat 53 is arranged at the center of the surface of the movable part 22, the bottom of the fixed seat 53 is fixedly connected with the connecting rod 54, the connecting rod 54 passes through the center of the movable part 22, the reinforcing seat 55 is arranged at the bottom end of the connecting rod 54, the movable part 22 is arranged between the reinforcing seat 55 and the fixed seat 53, and the force can be applied to the movable part 22 from bottom to top through the reinforcing seat 55, so that the stress of the movable part 22 during moving is larger and more uniform, and the movable part 22 moves more stably;
a sealing groove 111 matched with the reinforcing seat 55 is formed in the surface center line of the bottom flow guide seat 11; the sealing groove 111 is used as an embedding area of the reinforcing seat 55, so that when the movable part 22 moves downwards to plug the flow cavity, the reinforcing seat 55 can be embedded into the sealing groove 111, the movable seal 22 and the bottom flow guide seat 11 can be attached in a seamless mode, and the plugging effect is guaranteed.
As an improvement of the above technical solution, the protruding portion of the bottom surface of the movable portion 22 is a sealing member 221, the sealing member 221 is embedded inside the sealing groove 111, and the reinforcing seat 55 is disposed on the bottom surface of the movable portion 22; the sealing member 221 is used to improve the sealing performance of the movable portion 22 and the sealing groove 111, and prevent liquid leakage.
As an improvement of the above technical solution, the length of the reinforcing seat 55 is the same as the width of the movable part 22, and the bottom surface of the reinforcing seat 55 is an arc-shaped structure matched with the middle part of the bottom flow guide seat 11; the same width and the arc-shaped structure are used for improving the sealing performance and preventing liquid leakage.
As an improvement of the above technical solution, a pressing seat 31 is provided on the bottom surface of the pressing plate 3, the pressing seat 31 is disposed opposite to the inner side surface of the top flow guide seat 12, a gap between the top flow guide seat 12 and the pressing seat 31 is a limiting groove 4, and the movable portion 22 is fitted and passed through the inside of the limiting groove 4; the setting that compresses tightly seat 31 is used for spacing the marginal zone of movable part, through marginal spacing, the spacing two modes in middle part for the structure of movable part is more firm, can effectually avoid local pine to take off and lead to the diaphragm atress uneven.
As an improvement of the above technical solution, the inner side surface of the top flow guide seat 12 is a concave arc, and the side surface of the pressing seat 31 opposite to the top flow guide seat 12 is a convex arc; the arc structure is used for fully matching with the diaphragm, and the clamping effect is improved.
As an improvement of the above technical solution, a top pillar 6 is slidably embedded in the sealing groove 111, two sides of the top pillar 6 are provided with sliders 61, a sliding groove 112 matched with the sliders 61 is formed in the inner wall of the sealing groove 111, a spring 113 is fixed in the sliding groove 112, the spring 113 is arranged at the top of the slider 61, the top pillar 6 is used for pushing out the liquid in the sealing groove 111, and the top surface of the top pillar 6 is in seamless joint with the bottom surface of the reinforcing seat 55; the support pillar 6 can push out the liquid in the sealing groove 111 when the valve body is opened, thereby avoiding liquid aggregation, avoiding impurity aggregation, and ensuring that the sealing element 221 can be stably embedded into the sealing groove 111.
As an improvement of the above technical solution, the adjusting component includes a handle 51 and a pressing rod 52, the pressing rod 52 passes through the pressing plate 3 through a thread, the top end of the pressing rod 52 is connected with the handle 51, and the bottom end of the pressing rod 52 is rotatably embedded in the fixing seat 53; the handle 51 and the pressure rod 52 can rapidly control the valve body.
When the diaphragm valve works normally, the diaphragm main body 2 leaves the diversion chamber 13, and liquid flows out through the diversion chamber 13; the spring 113 is in a normal furled state, and the top column 6 is flush with the surface of the bottom flow guide seat 11;
when the diaphragm main body 2 is closed, the rotating handle 51 drives the pressing rod 52 to rotate, so that the bottom end of the pressing rod 52 rotates in the pressing seat 53, the pressing rod 52 rotates downwards and drives the movable part 22 to move downwards through the pressing seat 53, the edge of the movable part 22 is limited by the pressing seat 31 and the top flow guide seat 12, when the movable part 22 moves downwards, the sealing element 221 enters the sealing groove 111, the sealing element 221 moves downwards, the reinforcing seat 55 extrudes the top column 6 downwards, and when the top column 6 moves downwards, the sliding block 61 slides downwards along the sliding groove 112 and stretches the spring 113; when the movable part 22 is tightly attached to the bottom guide seat 11, the reinforcing seat 55 and the sealing element 221 are also completely embedded into the sealing groove 4; thereby realizing the plugging of the diversion chamber 13;
when the valve body 1 needs to be opened again, the handle 51 is rotated reversely, the pressure rod 52 drives the movable part 22 to move upwards, the reinforcing seat 55 applies upward supporting force to the movable part 22, and the fixing seat 53 applies upward pulling force to the movable part 22, so that the movable part 22 moves more smoothly and uniformly, and the problem of uneven stress is avoided; reinforcing seat 55 is when upward movement, under the drive of spring 113, slider 61 upwards slides along spout 112, and upstand 6 follows upward movement, and upstand 6 alright push out liquid, the impurity in seal groove 111 when upward movement, and when movable part 22 left bottom water conservancy diversion seat 11 and moved up to initial position, liquid normally circulated, and upstand 6 alright rise to the highest position, the top surface and the top water conservancy diversion seat 12 parallel and level of upstand 6.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. The diaphragm valve with uniform diaphragm stress comprises a valve body (1), a diaphragm main body (2) and a pressing plate (3), wherein a bottom flow guide seat (11) and a top flow guide seat (12) are arranged inside the valve body (1), and a flow guide chamber (13) is defined as an area enclosed between the top flow guide seat (12) and the bottom flow guide seat (11); the diaphragm body (2) is provided with a fixed part (21) at the outer edge, and the middle area of the diaphragm body (2) is provided with a movable part (22); the method is characterized in that: the center of the pressure plate (3) is in threaded connection with an adjusting mechanism (5), the adjusting mechanism (5) comprises an adjusting part, a fixed seat (53), a connecting rod (54) and a reinforcing seat (55), the adjusting part is threaded through the pressing plate (3), the bottom end of the adjusting part is rotatably embedded in the fixed seat (53), the fixed seat (53) is arranged at the surface center of the movable part (22), the bottom of the fixed seat (53) is fixedly connected with a connecting rod (54), the connecting rod (54) passes through the center of the movable part (22), the bottom end of the connecting rod (54) is provided with the reinforcing seat (55), the movable part (22) is arranged between the reinforcing seat (55) and the fixed seat (53), and a sealing groove (111) matched with the reinforcing seat (55) is formed in the surface center line of the bottom flow guide seat (11).
2. The diaphragm uniformly loaded diaphragm valve of claim 1, wherein: the protruding part of the bottom surface of the movable part (22) is a sealing element (221), the sealing element (221) is embedded in the sealing groove (111), and the reinforcing seat (55) is arranged on the bottom surface of the movable part (22).
3. The diaphragm uniformly loaded diaphragm valve of claim 2, wherein: the length of the reinforcing seat (55) is the same as the width of the movable part (22), and the bottom surface of the reinforcing seat (55) is of an arc structure matched with the middle part of the bottom flow guide seat (11).
4. A diaphragm uniformly loaded diaphragm valve according to claim 2 or 3, wherein: the bottom surface of clamp plate (3) is equipped with compresses tightly seat (31), compress tightly seat (31) with the medial surface of top water conservancy diversion seat (12) sets up relatively, top water conservancy diversion seat (12) compress tightly the space between seat (31) and be spacing groove (4), the inside laminating of spacing groove (4) has passed movable part (22).
5. The diaphragm uniformly loaded diaphragm valve of claim 4, wherein: the inner side surface of the top flow guide seat (12) is in a concave arc shape, and the side surface of the pressing seat (31) opposite to the top flow guide seat (12) is in a convex arc shape.
6. The diaphragm uniformly loaded diaphragm valve of claim 5, wherein: the inside slip embedding of seal groove (111) has fore-set (6), the both sides of fore-set (6) are equipped with slider (61), the inner wall of seal groove (111) open have with slider (61) complex spout (112), the inside of spout (112) is fixed with spring (113), spring (113) are located the top of slider (61), fore-set (6) are used for releasing liquid in seal groove (111), the top surface of fore-set (6) with the bottom surface seamless laminating of reinforcing seat (55).
7. The uniformly weighted diaphragm valve of claim 6, wherein: the adjusting part comprises a handle (51) and a pressing rod (52), the pressing rod (52) penetrates through the pressing plate (3) through threads, the top end of the pressing rod (52) is connected with the handle (51), and the bottom end of the pressing rod (52) is rotatably embedded into the fixed seat (53).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921307984.2U CN210423792U (en) | 2019-08-13 | 2019-08-13 | Diaphragm valve with uniformly stressed diaphragm |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921307984.2U CN210423792U (en) | 2019-08-13 | 2019-08-13 | Diaphragm valve with uniformly stressed diaphragm |
Publications (1)
Publication Number | Publication Date |
---|---|
CN210423792U true CN210423792U (en) | 2020-04-28 |
Family
ID=70362334
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201921307984.2U Active CN210423792U (en) | 2019-08-13 | 2019-08-13 | Diaphragm valve with uniformly stressed diaphragm |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN210423792U (en) |
-
2019
- 2019-08-13 CN CN201921307984.2U patent/CN210423792U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN104100728B (en) | A kind of self-seal type gate valve | |
CN210423792U (en) | Diaphragm valve with uniformly stressed diaphragm | |
CN115949792B (en) | Connecting valve | |
CN217977420U (en) | Voltage limiting switch | |
CN207064763U (en) | Tap | |
CN213839630U (en) | Valve sealing structure | |
CN214093057U (en) | Automatic flow control valve with good sealing performance | |
CN202392179U (en) | T-shaped belt pulling and filtering ball valve | |
CN209227488U (en) | The limiting device of gate mechanism | |
CN208221727U (en) | A kind of multi-direction ball-cock assembly installed and used | |
CN206973027U (en) | A kind of special-shaped valve | |
CN208363042U (en) | It is a kind of for controlling the Combined gate of water level | |
CN207701810U (en) | A kind of gate valve of novel wear resistant | |
CN214534655U (en) | Pressure feedback logic reversing valve | |
CN210830546U (en) | High-precision flow regulating valve | |
CN214146614U (en) | Valve with double sealing function | |
CN212131349U (en) | Guide structure for valve body | |
CN110822113A (en) | High-sealing elastic seat seal gate valve | |
CN219549726U (en) | High-sealing adjustable flushing valve with backflow prevention function | |
CN219639450U (en) | Stop valve | |
CN216344156U (en) | Automatic pressure regulating valve for sewage treatment | |
CN220396487U (en) | Angle valve convenient to control | |
CN217476175U (en) | Quick setting device of cement piece for construction | |
CN217884660U (en) | Irrigation device for hydraulic engineering | |
CN211501692U (en) | High vacuum straight-through control valve |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |