CN220394735U

CN220394735U - Water outlet mechanism for lift pump station

Info

Publication number: CN220394735U
Application number: CN202321121393.2U
Authority: CN
Inventors: 于自超
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-05-11
Filing date: 2023-05-11
Publication date: 2024-01-26
Anticipated expiration: 2033-05-11

Abstract

The utility model discloses a water outlet mechanism for a lift pump station, which comprises a water outlet pipe, a door cover, a damping water cylinder and a sealing component, wherein the door cover is rotatably arranged at the right end of the water outlet pipe through a rotating shaft seat, the damping water cylinder is arranged in the water outlet pipe, two ends of the damping water cylinder are respectively rotatably connected with the bottom inner wall of the water outlet pipe and the left side wall of the door cover through the rotating shaft seat, the damping water cylinder is obliquely arranged, the sealing component is positioned in the water outlet pipe, the sealing component is used for sealing a gap between the water outlet pipe and the door cover, and comprises a first annular seat, a second annular seat, an annular movable plate, an annular sealing gasket and a plurality of springs, and the first annular seat is fixedly arranged on the inner wall of the water outlet pipe. The utility model has reasonable design and good practicability, and can effectively seal the door cover and the water outlet pipe after the door cover is closed, thereby improving the sealing performance and preventing the water leakage phenomenon.

Description

Water outlet mechanism for lift pump station

Technical Field

The utility model relates to the technical field of pumping stations, in particular to a water outlet mechanism for a pumping station.

Background

The pumping station provides potential energy and pressure energy for water, solves the problem that the pumping, water supply and water resource allocation under the condition of no gravity flow are only power sources, and the large and medium pumping irrigation areas in China are rapidly developed along with the rapid development of electromechanical pumping industry nowadays, so that the pumping station is increasingly constructed and put into use. The door cover for the water outlet pipe of the pumping station is basically formed by cast iron or cast steel in the prior art, is rapidly closed by dead weight and pressure of return water when the water pump is shut down, and causes great damage to the water supply pump, the base and civil engineering facilities due to sudden impact of the pump pipe.

Aiming at the problems, the water outlet mechanism for the pumping station of the Chinese patent publication No. CN211312678U comprises a water outlet pipe, a door cover and a damping water cylinder, wherein the door cover is hinged with the water outlet pipe, the damping water cylinder comprises a cylinder sleeve and a push-pull rod, the push-pull rod is slidably arranged in the cylinder sleeve, the cylinder sleeve is provided with a water inlet and outlet hole, the water inlet and outlet hole is communicated with the inner cavity of the cylinder sleeve, when the pump is started, the door cover is pushed open under the action of water pressure, the push-pull rod stretches out of the cylinder sleeve under the drive of the door cover, and water enters the inner cavity of the cylinder sleeve from the water inlet and outlet hole; when the water pump is closed, the door cover is closed under the action of backwater pressure, the push-pull rod of the damping water cylinder moves together with the door cover, water in the cylinder sleeve is extruded by the push-pull rod and discharged from the water inlet and outlet holes, water in the cylinder sleeve generates certain high pressure to react with the push-pull rod to form damping force, and the door cover is subjected to the reaction damping force of the push-pull rod, so that the closing speed of the door cover is reduced, and the impact of the door cover on the water outlet pipe and other devices of the water pumping station is effectively avoided.

The existing water outlet mechanism for the pumping station has the following defects in actual use: when the door closure is closed at one end of the water outlet pipe, the door closure and the water outlet pipe do not have good effective sealing effect, so that the sealing performance between the door closure and the water outlet pipe is poor, and water leakage phenomenon is easy to occur.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a water outlet mechanism for a lift pump station, which solves the problems that when a door cover is closed at one end of a water outlet pipe, the sealing performance between the door cover and the water outlet pipe is poor, and water leakage is easy to occur.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a water outlet mechanism for lift pump station, includes outlet pipe, door closure, damping jar and seal assembly, the door closure rotates through the pivot seat and installs the right-hand member at the outlet pipe, and the damping jar sets up in the outlet pipe, and the both ends of damping jar are connected with the bottom inner wall of outlet pipe and the left side wall rotation of door closure respectively through the pivot seat, and the damping jar sets up for the slope, and seal assembly is located the outlet pipe, and seal assembly is used for sealing the clearance between outlet pipe and the door closure.

Preferably, the seal assembly comprises a first annular seat, a second annular seat, an annular movable plate, an annular sealing gasket and a plurality of springs, wherein the first annular seat is fixedly arranged on the inner wall of the water outlet pipe, the second annular seat is fixedly arranged on the left side wall of the door cover, the left side of the second annular seat is provided with an annular groove, the right side of the annular movable plate is slidably arranged in the annular groove, the annular sealing gasket is fixedly arranged on the left side wall of the annular movable plate, the annular sealing gasket is in contact with the right side wall of the first annular seat, the springs are fixedly arranged on the right side wall of the annular movable plate and are distributed in an equidistant annular manner, and the right ends of the springs are fixedly connected with the right side inner wall of the annular groove.

Preferably, the sealing assembly further comprises a first sealing ring and a second sealing ring, wherein the first sealing ring is fixedly arranged on the outer circular wall of the annular groove, the inner circular wall of the first sealing ring is in sliding sealing contact with the outer circular wall of the annular movable plate, the second sealing ring is fixedly arranged on the inner circular wall of the annular groove, and the outer circular wall of the second sealing ring is in sliding sealing contact with the inner circular wall of the annular movable plate.

Preferably, a transverse guide rod is fixedly arranged on the inner wall of the right side of the annular groove, a transverse guide groove is formed in the right side of the annular movable plate, and the left end of the transverse guide rod is slidably arranged in the transverse guide groove.

Preferably, the top and the bottom of the transverse guide rod are fixedly provided with limiting columns, the top inner wall and the bottom inner wall of the transverse guide groove are provided with limiting grooves, and the two limiting columns are respectively and slidably arranged in the corresponding limiting grooves.

Preferably, the number of the transverse guide rods is multiple, the transverse guide rods are distributed in an equidistant annular mode, the number of the transverse guide grooves is multiple, the transverse guide grooves are distributed in an equidistant annular mode, the left ends of the transverse guide rods are respectively and slidably mounted in the corresponding transverse guide grooves, and the springs are respectively sleeved on the corresponding transverse guide rods.

(III) beneficial effects

The utility model provides a water outlet mechanism for a lift pump station. The beneficial effects are as follows:

this water outlet mechanism for lift pump station through utilizing the seal assembly who constitutes by first annular seat, second annular seat, annular fly leaf, annular sealing gasket, a plurality of springs, first sealing ring and second sealing ring combination, after the closing of door closure, can carry out effectual sealedly between door closure and the outlet pipe, improves its sealing performance, prevents that the phenomenon of leaking from taking place, has solved when the door closure closes the one end at the outlet pipe, and sealing performance between door closure and the outlet pipe is not good, easily causes the problem that the phenomenon of leaking takes place.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic cross-sectional view of the front view of the present utility model;

fig. 3 is an enlarged schematic view of the portion a in fig. 2.

In the figure: 1. a water outlet pipe; 2. a door cover; 3. damping water vat; 4. a first annular seat; 5. a second annular seat; 6. an annular groove; 7. an annular movable plate; 8. an annular gasket; 9. a spring; 10. a transverse guide rod; 11. a transverse guide groove; 12. a first seal ring; 13. and a second seal ring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1-3, the present utility model provides a technical solution: the utility model provides a water outlet mechanism for pumping station, including outlet pipe 1, door closure 2, damping jar 3 and seal assembly, door closure 2 rotates through the pivot seat and installs the right-hand member at outlet pipe 1, damping jar 3 sets up in outlet pipe 1, damping jar 3's both ends rotate through the pivot seat with outlet pipe 1's bottom inner wall and door closure 2's left side wall respectively and be connected, damping jar 3 is the slope setting, it is to be noted that the structure and the theory of use of damping jar 3 have been disclosed in the patent literature of a pumping station water outlet mechanism that the bulletin number is CN211312678U disclosed, have been belonged to prior art's conventional technical means, consequently do not make the redundant description herein, wherein:

the sealing component is positioned in the water outlet pipe 1 and is used for sealing a gap between the water outlet pipe 1 and the door cover 2, the sealing component comprises a first annular seat 4, a second annular seat 5, an annular movable plate 7, an annular sealing gasket 8, a plurality of springs 9, a first sealing ring 12 and a second sealing ring 13, wherein the first annular seat 4 is fixedly arranged on the inner wall of the water outlet pipe 1, the second annular seat 5 is fixedly arranged on the left side wall of the door cover 2, the left side of the second annular seat 5 is provided with an annular groove 6, the right side of the annular movable plate 7 is slidably arranged in the annular groove 6, the annular sealing gasket 8 is fixedly arranged on the left side wall of the annular movable plate 7, the annular sealing gasket 8 is in contact with the right side wall of the first annular seat 4, the springs 9 are fixedly arranged on the right side wall of the annular movable plate 7 and are distributed in an equidistant annular manner, the right ends of the springs 9 are fixedly connected with the right side inner wall of the annular groove 6, by utilizing the elastic force generated by compression of the plurality of springs 9, the horizontal acting force of the annular movable plate 7 can be applied, and then the annular sealing gasket 8 can be pressed and abutted against the right side of the first annular seat 4, and as shown in figure 3, the plurality of springs 9 are in a state of elastic force generated by compression deformation, the first sealing ring 12 is fixedly arranged on the outer circular wall of the annular groove 6, the inner circular wall of the first sealing ring 12 is in sliding sealing contact with the outer circular wall of the annular movable plate 7, the second sealing ring 13 is fixedly arranged on the inner circular wall of the annular groove 6, the outer circular wall of the second sealing ring 13 is in sliding sealing contact with the inner circular wall of the annular movable plate 7, the gap between the annular movable plate 7 and the annular groove 6 can be sealed by utilizing the cooperation of the first sealing ring 12 and the second sealing ring 13, so that water is prevented from entering the annular groove 6, the sealing effect is achieved, and the sealing effect on the gap between the water outlet pipe 1 and the door cover 2 can be achieved by utilizing the annular sealing gasket 8, the first sealing ring 12 and the second sealing ring 13 under the matched action, so that the water leakage phenomenon is avoided.

In this embodiment, the right side inner wall of the annular groove 6 is fixedly provided with a transverse guide rod 10, the right side of the annular movable plate 7 is provided with a transverse guide groove 11, the left end of the transverse guide rod 10 is slidably mounted in the transverse guide groove 11, the transverse guide rods 10 are in a plurality of equal-interval annular arrangement, the transverse guide grooves 11 are in a plurality of equal-interval annular arrangement, the left ends of the transverse guide rods 10 are slidably mounted in the corresponding transverse guide grooves 11 respectively, the springs 9 are sleeved on the corresponding transverse guide rods 10 respectively, and the sliding connection cooperation of the transverse guide rods 10 and the corresponding transverse guide grooves 11 is utilized to play a role in guiding the running direction of the annular movable plate 7, so that the sliding of the annular movable plate 7 in the annular groove 6 is smoother.

In this embodiment, the top and bottom of the transverse guide rod 10 are fixedly provided with limiting posts, the top inner wall and the bottom inner wall of the transverse guide groove 11 are provided with limiting grooves, the two limiting posts are respectively slidably installed in the corresponding limiting grooves, and the sliding travel of the annular movable plate 7 can be limited by utilizing the sliding connection cooperation of the limiting rods in the limiting grooves.

Through the structure, after the door cover 2 is closed, the water outlet mechanism for the pumping station can effectively seal the water outlet pipe 1 and the door cover 2, the sealing performance is improved, the water leakage phenomenon is prevented, when the water pump in the pumping station is specifically operated, water flows in the water outlet pipe 1, the door cover 2 is jacked up under the action of water pressure, the damping water cylinder 3 is gradually elongated, after the water pump is closed, the door cover 2 is closed under the action of backwater pressure and dead weight, the damping force generated by the damping water cylinder 3 is utilized, the closing speed of the door cover is reduced, the impact of the door cover 2 on the water outlet pipe 1 and other devices of the pumping station is avoided, the annular sealing gasket 8 can be contacted with the first annular seat 4 in the process of closing the door cover 2, the annular sealing gasket 8 pushes the annular movable plate 7 to slide into the annular groove 6 along with the gradual closing of the door cover 2, at the moment, the plurality of springs 9 are gradually compressed and deformed to generate elastic force, and when the door cover 2 is tightly closed, the annular sealing gasket 8 is applied to the horizontal direction by the plurality of springs 9, the annular sealing gasket 8 can be tightly pressed against the annular sealing plate 8 in the annular sealing seat 6 by the annular sealing seat 6, the annular sealing gasket 8 can be tightly matched with the annular sealing seat 6, and the annular sealing gasket 8 can be tightly pressed against the annular sealing seat 6 by the annular sealing seat 6 through the annular sealing gasket 6, and the annular sealing gasket 13 in the first sealing seat, and the annular sealing ring 13 can not be matched with the annular sealing ring 13, and the annular sealing ring between the annular sealing seat and the annular sealing seat 1.

The above description is merely an embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art can easily think about changes or substitutions within the technical scope of the present utility model, and it is intended to cover the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a lift pump station is with water outlet mechanism which characterized in that: including outlet pipe (1), door closure (2), damping jar (3) and seal assembly, door closure (2) are installed through the pivot seat rotation the right-hand member of outlet pipe (1), damping jar (3) set up in outlet pipe (1), the both ends of damping jar (3) through the pivot seat respectively with the bottom inner wall of outlet pipe (1) and the left side wall rotation of door closure (2) are connected, damping jar (3) are the slope setting, seal assembly is located in outlet pipe (1), seal assembly is used for sealing the clearance between outlet pipe (1) and door closure (2).

2. The water outlet mechanism for a lift pump station of claim 1, wherein: the sealing assembly comprises a first annular seat (4), a second annular seat (5), an annular movable plate (7), an annular sealing gasket (8) and a plurality of springs (9), wherein the first annular seat (4) is fixedly installed on the inner wall of the water outlet pipe (1), the second annular seat (5) is fixedly installed on the left side wall of the door cover (2), an annular groove (6) is formed in the left side of the second annular seat (5), the right side of the annular movable plate (7) is installed in the annular groove (6), the annular sealing gasket (8) is fixedly installed on the left side wall of the annular movable plate (7), the annular sealing gasket (8) is in contact with the right side wall of the first annular seat (4), the springs (9) are fixedly installed on the right side wall of the annular movable plate (7) and are distributed in an equidistant annular mode, and the right ends of the springs (9) are fixedly connected with the right side inner wall of the annular groove (6).

3. The water outlet mechanism for a lift pump station of claim 2, wherein: the sealing assembly further comprises a first sealing ring (12) and a second sealing ring (13), wherein the first sealing ring (12) is fixedly installed on the outer circular wall of the annular groove (6), the inner circular wall of the first sealing ring (12) is in sliding sealing contact with the outer circular wall of the annular movable plate (7), the second sealing ring (13) is fixedly installed on the inner circular wall of the annular groove (6), and the outer circular wall of the second sealing ring (13) is in sliding sealing contact with the inner circular wall of the annular movable plate (7).

4. The water outlet mechanism for a lift pump station of claim 2, wherein: the right side inner wall of the annular groove (6) is fixedly provided with a transverse guide rod (10), the right side of the annular movable plate (7) is provided with a transverse guide groove (11), and the left end of the transverse guide rod (10) is slidably arranged in the transverse guide groove (11).

5. The water outlet mechanism for a lift pump station of claim 4, wherein: limiting columns are fixedly mounted at the top and the bottom of the transverse guide rod (10), limiting grooves are formed in the inner wall of the top and the inner wall of the bottom of the transverse guide groove (11), and the two limiting columns are respectively and slidably mounted in the corresponding limiting grooves.

6. The water outlet mechanism for a lift pump station of claim 4, wherein: the number of the transverse guide rods (10) is multiple, the transverse guide rods (10) are arranged in an equidistant annular mode, the number of the transverse guide grooves (11) is multiple, the transverse guide grooves (11) are arranged in an equidistant annular mode, the left ends of the transverse guide rods (10) are respectively and slidably mounted in the corresponding transverse guide grooves (11), and the springs (9) are respectively sleeved on the corresponding transverse guide rods (10).