CN209875981U - Flow circulation regulating valve for feed pump - Google Patents
Flow circulation regulating valve for feed pump Download PDFInfo
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- CN209875981U CN209875981U CN201920316014.2U CN201920316014U CN209875981U CN 209875981 U CN209875981 U CN 209875981U CN 201920316014 U CN201920316014 U CN 201920316014U CN 209875981 U CN209875981 U CN 209875981U
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Abstract
The utility model discloses a flow circulation governing valve for feed pump, which comprises a valve body, the upper end lateral wall of valve body is equipped with the valve gap, the vertical valve rod that is equipped with in the valve body, and the valve rod screw thread runs through the valve gap, is located outside the valve body valve rod fixedly connected with hand wheel is located in the valve body valve rod fixedly connected with case, the inner wall of valve body is equipped with the disk seat that matches with the case, seted up the installation cavity in the case, the upper end inner wall fixedly connected with dead lever of installation cavity, the equal fixedly connected with telescopic link of both sides lateral wall of dead lever, the flexible end fixedly connected with of telescopic link supports the piece, and the flexible pot head of telescopic link is equipped with the spring, the both ends of spring respectively with the stiff end of telescopic link and the lateral wall fixed connection who supports the piece. The utility model discloses drive through the swinging arms and support pole and spring removal when the case receives the impact to play the cushioning effect, prolong the life of case.
Description
Technical Field
The utility model relates to a flow control valve technical field especially relates to a flow circulation control valve for feed pump.
Background
The flow regulating valve is a visual and simple flow regulating and controlling device, the flow regulating valve can be directly used in a pipe network to set the flow according to the design, the valve can automatically eliminate the residual pressure head of the pipeline and the flow deviation caused by pressure fluctuation under the action of water, and the set flow is kept unchanged no matter how the system pressure changes.
The flow control valve used for the water supply pump is large in water pressure when the water pump discharges water, the water pump is often impacted by large water pressure, the valve core is large in pressure and serious in damage, the sealing effect is reduced, the accuracy of flow regulation is reduced, and therefore the flow circulation control valve for the water supply pump is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the accuracy that leads to the regulation flow drops is damaged easily to the great water pressure that the case received among the prior art, and the flow circulation control valve for the feed pump that provides.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a flow circulation governing valve for feed pump, includes the valve body, the upper end lateral wall of valve body is equipped with the valve gap, the vertical valve rod that is equipped with in the valve body, and the valve rod screw thread runs through the valve gap, is located outside the valve body valve rod fixedly connected with hand wheel is located in the valve body valve rod fixedly connected with case, the inner wall of valve body is equipped with the disk seat that matches with the case, seted up in the case has the installation cavity, the upper end inner wall fixedly connected with dead lever of installation cavity, the equal fixedly connected with telescopic link of both sides lateral wall of dead lever, the flexible end fixedly connected with of telescopic link supports the piece, and the flexible pot head of telescopic link is equipped with the spring, the both ends of spring respectively with the stiff end of telescopic link and the lateral wall fixed.
Preferably, the inner wall of the valve body is fixedly connected with a containing block, a containing cavity is formed in the containing block, a baffle is connected between the inner walls of the two sides of the containing cavity in a sliding mode and penetrates through the inner wall of the lower end of the containing cavity, a rubber pad is fixedly connected to the side wall of the lower end of the baffle, and the rubber pad abuts against the side wall of the upper end of the valve core.
Preferably, be connected with sealed the pad between the both sides inner wall of valve body, and the valve rod seals and runs through sealed the pad, sealed the top that is located the receiving block.
Preferably, the side wall of the lower end of the fixing rod is fixedly connected with a micro air bag, and the micro air bag is abutted to the inner wall of the lower end of the mounting cavity.
Preferably, a buffer cushion is arranged between the valve cover and the valve body, and the side walls of the two sides of the buffer cushion respectively abut against the side wall of the upper end of the valve body and the side wall of the lower end of the valve cover.
Preferably, the upper end side wall of the valve seat is fixedly connected with a sealing ring, and the lower end side wall of the valve core is provided with a sealing groove matched with the sealing ring.
Compared with the prior art, the beneficial effects of the utility model are that:
1. when the valve core is impacted, the side wall of the lower end of the valve core props against the swinging rod to swing, the swinging rod drives the telescopic rod and the spring to extend and enables the propping block to prop against the inner wall of the mounting cavity more tightly, the rebound force of the spring can play a role in buffering the deformation of the valve core, the service life of the valve core is prolonged, and the propping block props against the valve body to avoid waste caused by water flow outflow;
2. through baffle and rubber pad and case counterbalance to block rivers, avoid rivers to flow from the upper end opening part of valve body, the water resource of protection avoids extravagant, in addition, can assist the spring through miniature gasbag and play the cushioning effect to the inner wall of case, the protection case makes it have longer instructions, and then conveniently carries out the regulation of flow.
Drawings
Fig. 1 is a schematic structural view of a flow circulation regulating valve for a feed pump according to the present invention;
fig. 2 is a schematic structural diagram at a in fig. 1.
In the figure: the valve comprises a valve body 1, a valve cover 2, a valve rod 3, a hand wheel 4, a valve core 5, a valve seat 6, a fixing rod 7, an expansion rod 8, a butting block 9, a spring 10, a sealing ring 11, a receiving block 12, a baffle 13, a rubber pad 14, a sealing pad 15, a miniature air bag 16, a cushion 17 and a swing rod 18.
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.
Referring to fig. 1-2, a flow circulation regulating valve for a feed pump comprises a valve body 1, a sealing gasket 15 is connected between the inner walls of the two sides of the valve body 1, a valve rod 3 hermetically penetrates through the sealing gasket 15, the sealing gasket 15 is positioned above a receiving block 12, the water flow can be blocked by the sealing gasket 15, the waste caused by the water flow flowing out from the space between the valve cover 2 and the valve body 1 is avoided, the inner wall of the valve body 1 is fixedly connected with the containing block 12, the containing cavity is arranged in the containing block 12, the baffle 13 is connected between the inner walls at the two sides of the containing cavity in a sliding way, the baffle 13 penetrates through the inner wall at the lower end of the containing cavity, the side wall at the lower end of the baffle 13 is fixedly connected with the rubber gasket 14, the rubber gasket 14 is abutted against, thus, the baffle 13 and the rubber pad 14 can block water, so that a large amount of water cannot enter the upper part of the valve core 5, and water flow is prevented from gushing out from between the valve cover 2 and the valve body 1;
the valve cover 2 is arranged on the side wall of the upper end of the valve body 1, the buffer cushion 17 is arranged between the valve cover 2 and the valve body 1, the side walls of two sides of the buffer cushion 17 are respectively abutted against the side wall of the upper end of the valve body 1 and the side wall of the lower end of the valve cover 2, friction between the valve body 1 and the valve cover 2 can be reduced through the buffer cushion 17, the valve rod 3 is vertically arranged in the valve body 1, the valve rod 3 penetrates through the valve cover 2 in a threaded manner, the hand wheel 4 is fixedly connected to the valve rod 3 outside the valve body 1, the valve core 5 is fixedly connected to the valve rod 3 in the valve body 1, the valve seat 6 matched with the valve core 5 is arranged on the inner wall of the valve body 1, the side wall of the upper end of the valve seat 6 is fixedly connected with the sealing ring 11, the side wall of the;
a mounting cavity is formed in the valve core 5, a fixing rod 7 is fixedly connected to the inner wall of the upper end of the mounting cavity, a micro air bag 16 is fixedly connected to the side wall of the lower end of the fixing rod 7, the micro air bag 16 abuts against the inner wall of the lower end of the mounting cavity, a buffer effect is achieved through deformation of the micro air bag 16 when the valve core 5 is impacted, the damage degree of the valve core 5 is reduced, telescopic rods 8 are fixedly connected to the side walls of the two sides of the fixing rod 7, abutting blocks 9 are fixedly connected to the telescopic ends of the telescopic rods 8, springs 10 are sleeved on the telescopic ends of the telescopic rods 8, the two ends of the springs 10 are respectively fixedly connected to the fixed ends of the telescopic rods 8 and the side;
rotating hand wheel 4 when the rivers of feed pump carry out flow control, lifting case 5 the position can, simultaneously when case 5 receives the rivers impact that the water pump was taken out, case 5's lower extreme lateral wall deformation makes its swing to swinging arms 18, swinging arms 18 drives and supports outside both sides of piece 9, thereby support the inner wall of installation cavity, lengthen spring 10 and telescopic link 8 simultaneously, the bounce that spring 10 deformation produced supports the swing of swinging arms 18, thereby pressure that receives case 5 plays the cushioning effect, protection case 5 alleviates the pressure that it received, prolong its life, and then guarantee its flow control's accuracy.
The utility model discloses rotating hand wheel 4 when the rivers of water-feeding pump carry out flow control, lifting case 5 the position can, simultaneously when case 5 receives the rivers impact that the water pump was taken out, the lower extreme lateral wall deformation of case 5 is used swinging arms 18 and is made its swing, swinging arms 18 drive and support outside both sides of piece 9, thereby support the inner wall of installation cavity, lengthen spring 10 and telescopic link 8 simultaneously, the bounce that spring 10 deformation produced supports the swing of swinging arms 18, thereby the pressure that receives case 5 plays the cushioning effect, protection case 5 alleviates the pressure that it received, prolong its life, and then guarantee its flow control's accuracy.
The above, 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 (6)
1. A flow circulation adjusting valve for a water supply pump comprises a valve body (1) and is characterized in that a valve cover (2) is arranged on the upper end side wall of the valve body (1), a valve rod (3) is vertically arranged in the valve body (1), the valve rod (3) penetrates through the valve cover (2) in a threaded manner, a hand wheel (4) is fixedly connected to the valve rod (3) outside the valve body (1), a valve core (5) is fixedly connected to the valve rod (3) in the valve body (1), a valve seat (6) matched with the valve core (5) is arranged on the inner wall of the valve body (1), an installation cavity is arranged in the valve core (5), a fixing rod (7) is fixedly connected to the inner wall of the upper end of the installation cavity, telescopic rods (8) are fixedly connected to the side walls of the two sides of the fixing rod (7), abutting blocks (9) are fixedly connected to the telescopic ends of the telescopic rods, the two ends of the spring (10) are fixedly connected with the fixed end of the telescopic rod (8) and the side wall of the supporting block (9) respectively, the supporting block (9) is supported against the inner wall of the installation cavity, the side wall of the lower end of the supporting block (9) is rotatably connected with a swing rod (18), and one end, far away from the supporting block (9), of the swing rod (18) is rotatably connected with the inner wall of the lower end of the installation cavity.
2. The flow circulation regulating valve for the feed pump according to claim 1, wherein the inner wall of the valve body (1) is fixedly connected with a receiving block (12), a receiving cavity is formed in the receiving block (12), a baffle (13) is slidably connected between the inner walls of two sides of the receiving cavity, the baffle (13) penetrates through the inner wall of the lower end of the receiving cavity, a rubber gasket (14) is fixedly connected to the side wall of the lower end of the baffle (13), and the rubber gasket (14) abuts against the side wall of the upper end of the valve core (5).
3. A flow-rate circulation regulating valve for a feed-water pump according to claim 2, characterized in that a sealing gasket (15) is connected between the two side inner walls of the valve body (1), and the valve rod (3) is sealed to penetrate through the sealing gasket (15), and the sealing gasket (15) is positioned above the receiving block (12).
4. The flow circulation regulating valve for the feed pump according to claim 1, wherein a micro air bag (16) is fixedly connected to the lower end side wall of the fixing rod (7), and the micro air bag (16) abuts against the lower end inner wall of the mounting cavity.
5. A flow circulation regulating valve for a feed pump according to claim 1, characterized in that a buffer pad (17) is provided between the valve cover (2) and the valve body (1), and the side walls of the buffer pad (17) are respectively abutted against the side wall of the upper end of the valve body (1) and the side wall of the lower end of the valve cover (2).
6. The flow circulation regulating valve for the feed pump according to claim 1, wherein the upper end side wall of the valve seat (6) is fixedly connected with a sealing ring (11), and the lower end side wall of the valve core (5) is provided with a sealing groove matched with the sealing ring (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920316014.2U CN209875981U (en) | 2019-03-13 | 2019-03-13 | Flow circulation regulating valve for feed pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920316014.2U CN209875981U (en) | 2019-03-13 | 2019-03-13 | Flow circulation regulating valve for feed pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209875981U true CN209875981U (en) | 2019-12-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920316014.2U Active CN209875981U (en) | 2019-03-13 | 2019-03-13 | Flow circulation regulating valve for feed pump |
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| Country | Link |
|---|---|
| CN (1) | CN209875981U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113217638A (en) * | 2021-06-08 | 2021-08-06 | 西玛克（厦门）阀门有限公司 | Rotary multi-position flow regulating valve |
-
2019
- 2019-03-13 CN CN201920316014.2U patent/CN209875981U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113217638A (en) * | 2021-06-08 | 2021-08-06 | 西玛克（厦门）阀门有限公司 | Rotary multi-position flow regulating valve |
| CN113217638B (en) * | 2021-06-08 | 2023-02-24 | 西玛克（厦门）阀门有限公司 | Rotary multi-position flow regulating valve |
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