CN115110608A - Device for realizing bidirectional pumping function on pump gate through one-way pump - Google Patents

Abstract

The invention discloses a device which is applied to a pump gate and realizes a bidirectional water pumping function through a one-way pump, and the device comprises: the device comprises a mounting seat, a bidirectional pipe, a one-way pump and four one-way valves; the mounting seat is arranged on the inner wall of the water pipe, the bidirectional pipe is arranged on the mounting seat, the one-way pump is arranged inside the bidirectional pipe, and the one-way valve is arranged at the end part of the bidirectional pipe. The device for realizing the bidirectional water pumping function on the pump gate through the one-way pump is used for installing the bidirectional pipe on the installation seat and sealing the joint of the bidirectional pipe and the installation seat to prevent water leakage, water flow in the water pipe can be pumped through the one-way pump, so that the water flow can be ensured to pass, the water on one side can be prevented from flowing backwards, and then the water pumping direction in the water pipe can be changed through the switch cooperation among the one-way valves only by one-way pump.

Description

Use device that realizes two-way function of drawing water through one-way pump on pump floodgate

Technical Field

The invention relates to the technical field of pump gates, in particular to a device which is applied to a pump gate and realizes a bidirectional water pumping function through a one-way pump.

Background

With the continuous expansion of pumping gate services, the demand for pump gates is increasing, and the existing pump gates can only pump water or discharge water in one direction, and there is no pump gate which can realize the change of pumping and discharging directions only by one-way pump. Therefore, there is a need for a device applied to a pump gate for achieving a bidirectional pumping function through a unidirectional pump, so as to at least partially solve the problems in the prior art.

Disclosure of Invention

A series of concepts in a simplified form are introduced in the summary section, which is described in further detail in the detailed description section. This summary of the invention is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.

In order to at least partially solve the above problems, the present invention provides a device applied to a pump gate for achieving a bidirectional pumping function through a unidirectional pump, comprising: the device comprises a mounting seat, a bidirectional pipe, a one-way pump and four one-way valves; the mounting seat is arranged on the inner wall of the water pipe, the bidirectional pipe is arranged on the mounting seat, the one-way pump is arranged inside the bidirectional pipe, and the one-way valve is arranged at the end part of the bidirectional pipe.

Preferably, be provided with the pedestal on the lateral wall of mount pad, the pedestal with the inner wall joint of water pipe, the mount pad passes through the pedestal with water piping connection, be provided with first through-hole, second through-hole and third through-hole on the mount pad, two-way pipe through first through-hole, second through-hole and third through-hole with the mount pad is connected.

Preferably, the bidirectional pipe comprises a central first through pipe, a second through pipe, a third pipe, a first adapter pipe and a second adapter pipe, the first through pipe penetrates through the first through hole, the second through pipe penetrates through the second through hole, the third pipe penetrates through the third through hole, the first adapter pipe and the second adapter pipe are both arranged on the side wall of the first through pipe, the first through pipe is communicated with the second through pipe through the first adapter pipe, the first through pipe is communicated with the third through pipe through the second adapter pipe, the first adapter pipe is arranged on the left side of the mounting seat, the second adapter pipe is arranged on the right side of the mounting seat, the four one-way valves are respectively arranged on the left end and the right end of the first through pipe, the right end of the second through pipe and the left end of the third pipe, the one-way pump is arranged in the first through pipe, and the one-way pump is located between the first adapter tube and the second adapter tube.

Preferably, the four check valves are respectively a first check valve, a second check valve, a third check valve and a fourth check valve; the first check valve is arranged at the left end of the first through pipe, the second check valve is arranged at the right end of the second through pipe, the third check valve is arranged at the left end of the third through pipe, and the fourth check valve is arranged at the right end of the first through pipe.

Preferably, the first check valve and the fourth check valve are in the same direction, the second check valve and the third check valve are in the same direction, and the first check valve and the second check valve are in opposite directions.

Preferably, the one-way valve comprises a connecting pipe, a plurality of knife switches and a reverse flow cover; the left end of the connecting pipe is respectively connected with the left end and the right end of the first through pipe, the right end of the second through pipe and the left end of the third through pipe, the knife switch is arranged in the connecting pipe, and the countercurrent cover is arranged on the surface of the right end of the connecting pipe.

Preferably, a connecting shaft is arranged at the right end of the connecting pipe, the backflow cover is connected with the right end of the connecting pipe through the connecting shaft, and the diameter of the backflow cover is larger than that of the connecting pipe.

Preferably, the inner wall of the connecting pipe is provided with a linkage mechanism, and the knife switch is connected with the inner wall of the connecting pipe through the linkage mechanism.

Preferably, be provided with the mounting groove on the inner wall of water pipe, be provided with the sealing washer in the mounting groove, the pedestal sets up in the mounting groove, and the pedestal pass through the screw with the mounting groove is connected.

Compared with the prior art, the invention at least comprises the following beneficial effects:

1. the device for realizing the bidirectional water pumping function through the one-way pump on the pump gate is used for installing the bidirectional pipe on the installation seat and sealing the connection part of the bidirectional pipe and the installation seat to prevent water leakage, water flow in the bidirectional pipe can carry out water pumping operation through the one-way pump, meanwhile, four one-way valves are respectively arranged on four water outlets of the bidirectional pipe, and the one-way valves with the same direction are respectively positioned on two sides of the installation seat, so that the water flow can be ensured to pass through, the water backflow on one side can be prevented, and then the water pumping direction in the bidirectional pipe can be changed through the switch matching among the one-way valves only by one-way pump.

Other advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural diagram of a device for pumping water in two directions by a unidirectional pump applied to a pump gate according to the present invention;

FIG. 2 is a schematic structural view of a device for realizing a bidirectional water pumping function by a one-way pump applied to a pump gate in a water pipe;

FIG. 3 is a cross-sectional view of the apparatus for pumping water in two directions by a unidirectional pump applied to a pump gate according to the present invention;

FIG. 4 is a schematic structural view of a check valve of the device for achieving bidirectional pumping by a check pump applied to a pump gate according to the present invention;

fig. 5 is a cross-sectional view of a one-way valve of the device for pumping water in two directions by a one-way pump applied to a pump gate according to the present invention.

In the figure: the device comprises a mounting seat 1, a pedestal 11, a two-way pipe 2, a first through pipe 21, a second through pipe 22, a first adapter pipe 221, a third through pipe 23, a second adapter pipe 231, a one-way pump 3, a one-way valve 4, a connecting pipe 41, a knife switch 42, a counter-flow cover 43, a first one-way valve 100, a second one-way valve 200, a third one-way valve 300, a fourth one-way valve 400 and a water pipe 5.

Detailed Description

The present invention is further described in detail below with reference to the drawings and examples so that those skilled in the art can implement the invention with reference to the description.

It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.

As shown in fig. 1 to 5, the present invention provides a device applied to a pump gate for realizing a bidirectional pumping function by a unidirectional pump, comprising: the device comprises a mounting seat 1, a bidirectional pipe 2, a one-way pump 3 and four one-way valves 4; the mounting seat 1 is arranged on the inner wall of the water pipe 5, the bidirectional pipe 2 is arranged on the mounting seat 1, the one-way pump 3 is arranged inside the bidirectional pipe 2, and the one-way valve 4 is arranged at the end part of the bidirectional pipe 2.

The working principle of the technical scheme is as follows: in order to realize the two-way function of drawing water of gate, at first need install mount pad 1 on the inner wall of water pipe 5, and seal treatment prevents that the junction of mount pad 1 and water pipe 5 from leaking, later alright with the operation of drawing water through unidirectional pump 3, when unidirectional pump 3 draws water the operation that four check valves 4 can carry out the switching respectively for thereby rivers in the water pipe 5 can be through the control of the different check valves 4 on the bidirectional pipe 2 realize drawing water from a left side to the right side or draw water from a right side to a left side.

The beneficial effects of the above technical scheme are that: through the design of above-mentioned structure, two-way pipe 2 is installed on mount pad 1 and is sealed the processing with the junction of mount pad 1 and prevent leaking, rivers in the water pipe 5 can be through the one-way pump 3 operation of drawing water, be provided with four check valve 4 on four delivery ports of two-way pipe 2 respectively simultaneously, and the check valve 4 that the direction is the same is located the both sides of mount pad 1 respectively, so both can guarantee the passing through of rivers, can prevent the water refluence of one side again, only need a one-way pump 3 alright with the switch cooperation between each check valve 4 afterwards, realize the transform of the direction of drawing water in the water pipe 5.

In one embodiment, a pedestal 11 is arranged on a side wall of the installation seat 1, the pedestal 11 is clamped with an inner wall of the water pipe 5, the installation seat 1 is connected with the water pipe 5 through the pedestal 11, a first through hole, a second through hole and a third through hole are arranged on the installation seat 1, and the bidirectional pipe 2 is connected with the installation seat 1 through the first through hole, the second through hole and the third through hole.

The working principle of the technical scheme is as follows: be provided with on the lateral wall of mount pad 1 and be used for the pedestal 11 of being connected with water pipe 5, 11 joints of pedestal can prevent effectively that water pressure from too big washing away mount pad 1 in the inner wall of water pipe 5, still is provided with first through-hole, second through-hole and the third through-hole that is used for installing two-way pipe 2 simultaneously on mount pad 1, and two-way pipe 2 runs through and installs in first through-hole, second through-hole and third through-hole.

The beneficial effects of the above technical scheme are as follows: through the design of above-mentioned structure, install two-way pipe 2 in first through-hole, second through-hole and third through-hole and in sealing up, can effectively separate rivers in the left and right both sides of mount pad 1, mount pad 1 passes through pedestal 11 joint simultaneously among the inner wall of water pipe 5, can be so as to prevent that mount pad 1 from being washed away because of the water pressure in the water pipe 5 is too big, can borrow again in the water pipe 5 hydraulic pressure make the joint relation between pedestal 11 and the water pipe 5 inseparabler firm.

In one embodiment, the bidirectional pipe 2 includes a central first through pipe 21, a second through pipe 22, a third through pipe 23, a first transfer pipe 221 and a second transfer pipe 231, the first through pipe 21 passes through the first through hole, the second through pipe 22 passes through the second through hole, the third through hole passes through the third through hole, the first transfer pipe 221 and the second transfer pipe 231 are both disposed on the sidewall of the first through pipe 21, the first through pipe 21 communicates with the second through pipe 22 through the first transfer pipe 221, the first through pipe 21 communicates with the first through pipe 23 through the second transfer pipe 231, the first transfer pipe 221 is located on the left side of the mounting seat 1, the second transfer pipe 231 is located on the right side of the mounting seat 1, four one-way valves 4 are respectively disposed at the left and right ends of the first through pipe 21, the right end of the second through pipe 22, and the left end of the third transfer pipe 23, the one-way pump 3 is disposed in the first through pipe 21, and the one-way pump 3 is located between the first adapter pipe 221 and the second adapter pipe 231.

The working principle of the technical scheme is as follows: when the gate starts to operate, the one-way pump 3 pumps water, and when the one-way pump 3 pumps water from left to right, in order to enable the water flow in the water pipe 5 to flow from left to right, the water in the water pipe 5 enters from the one-way valve 4 at the left end of the first through pipe 21, then flows to the right end of the first through pipe 21 through the one-way pump 3, and flows out from the one-way valve 4 at the right end of the first through pipe 21, at this time, when the water flow passes through the first adapter pipe 221 and reaches the second through pipe 22, the direction of the water flow still flows from left to right, at this time, the one-way valve 4 at the right end of the second through pipe 22 is not opened, so that no water flow flows out from the right end of the second through pipe 22, the water flow in the third pipe 23 flows from right to left, and at this time, the one-way valve 4 at the left end of the third pipe 23 is not opened, the water flow in the third pipe 23 does not flow back to the water pipe 5 at the left end of the mounting base 1 from the left end of the third pipe 23; under the condition that the water pumping direction of the one-way pump 3 is not changed, if water flow in the water pipe 5 needs to flow from right to left, at the moment, the one-way valve 4 at the right end of the second through pipe 22 and the one-way valve 4 at the left end of the third through pipe 23 are opened, the water flow can flow through the first adapter pipe 221 from the second through pipe 22 to reach the one-way pump 3, and then flow through the one-way pump 3 to reach the second adapter pipe 231, finally reach the third through pipe 23 and be discharged from the one-way valve 4 at the left end of the third through pipe 23, at the moment, because the one-way valves 4 at the two ends of the first through pipe 21 are both in a closed state, water can be prevented from flowing back into the water pipe 5 from the right end of the first through pipe 21, and the principle is the same when the one-way pump 3 pumps water from right to left.

The beneficial effects of the above technical scheme are as follows: through the design of above-mentioned structure, when drawing water from the left to the right at unidirectional pump 3, if rivers flow from the left to the right, rivers in the water pipe 5 can not flow back to in the left water pipe 5 of mount pad 1 from third tee pipe 23 department, simultaneously when unidirectional pump 3 draws water the direction, when control rivers flow from the right side to the left, rivers in the water pipe 5 can not flow back to in the water pipe 5 on mount pad 1 right side from first siphunculus 21 department, and the user can adjust the direction of drawing water of unidirectional pump 3 and the installation direction of check valve 4 by oneself as required, thereby adjust the selection of the interior water circulation way of water pipe 5.

In one embodiment, the four check valves 4 are a first check valve 100, a second check valve 200, a third check valve 300 and a fourth check valve 400; the first check valve 100 is disposed at the left end of the first pipe 21, the second check valve 200 is disposed at the right end of the second pipe 22, the third check valve 300 is disposed at the left end of the third pipe 23, and the fourth check valve 400 is disposed at the right end of the first pipe 21.

The working principle of the technical scheme is as follows: for convenience of distinguishing and controlling the opening and closing of the check valves 4, the four check valves 4 are named a first check valve 100, a second check valve 200, a third check valve 300, and a fourth check valve 400, respectively, and the four check valves 4 are disposed on four ports of the bidirectional pipe 2, respectively.

The beneficial effects of the above technical scheme are that: through the design of the structure, the four check valves 4 are respectively arranged on the four ports of the bidirectional pipe 2, and the check valves 4 of the ports are distinguished by the first check valve 100, the second check valve 200, the third check valve 300 and the fourth check valve 400, so that the path inlet and the path outlet of water flow can be conveniently regulated and determined.

In one embodiment, the first check valve 100 is oriented in line with the fourth check valve 400, the second check valve 200 is oriented in line with the third check valve 300, and the first check valve 100 is oriented in the opposite direction to the second check valve 200.

The working principle of the technical scheme is as follows: in this embodiment, the first check valve 100 and the fourth check valve 400 are adopted, the water outlet directions of the second check valve 200 and the third check valve 300 are consistent, and the water outlet directions of the first check valve 100 and the second check valve 200 are opposite, so that the flow direction of each check valve 4 and the position of the installation port can be determined according to the requirement of a user and the water pumping direction of the check pump 3 in practical application.

The beneficial effects of the above technical scheme are that: through the design of above-mentioned structure, make the selection of the rivers in the water pipe 5 can be different and select different passageways according to each check valve 4's the direction that sets up, can set up each check valve 4 and use first siphunculus 21 as main runner according to the rivers direction commonly used, and four check valve 4 electricity each other are connected, make the switch closure of four check valve 4 switch in the rivers direction switch can carry out, realize the synchronous switch of rivers direction and rivers passageway, and the mode of electricity connection can guarantee that the switching between check valve 4 goes on in step, prevent to lead to rivers to flow backward and flow in reverse when the switch because of check valve 4 switches untimely.

In one embodiment, the one-way valve 4 includes a connection pipe 41, a plurality of blades 42, and a reverse flow cover 43; the left end of the connecting pipe 41 is connected to the left and right ends of the first through pipe 21, the right end of the second through pipe 22 and the left end of the third through pipe 23, the knife 42 is disposed in the connecting pipe 41, and the reverse flow cover 43 is disposed on the right end surface of the connecting pipe 41.

The working principle of the technical scheme is as follows: in this embodiment, the connection mode of the check valve 4 is that the reverse flow covers 43 of the first check valve 100 and the fourth check valve 400 are both disposed on the right side, the reverse flow covers 43 of the second check valve 200 and the third check valve 300 are both disposed on the left side, the switch 42 realizes the opening and closing of the check valve 4 in the connection pipe 41, when the switch 42 is opened, the water flow passage is opened, when the switch 42 is closed, the water flow passage is closed, the reverse flow cover 43 disposed at the end of the connection pipe 41 can be tightly attached to the surface of the connection pipe 41 by the pressure of the water pressure when the water flow reversely impacts, so that the impact of the water flow on the switch 42 is reduced to prolong the service life of the check valve 4 and provide a waterproof guarantee when the switch 42 is strained and leaked.

The beneficial effects of the above technical scheme are as follows: through the design of above-mentioned structure, can avoid the condition that the switch blade 42 closed incompletely and appear leaking when switch check valve 4, the lid 43 against current can prevent that the water pressure of rivers from causing the impact to switch blade 42 and leading to switch blade 42 to leak or damage when rivers are against the current simultaneously.

In one embodiment, a coupling shaft is provided at the right end of the coupling pipe 41, the reverse flow cap 43 is coupled to the right end of the coupling pipe 41 through the coupling shaft, and the reverse flow cap 43 has a diameter greater than that of the coupling pipe 41.

The working principle of the technical scheme is as follows: the diameter of the reverse flow cover 43 needs to be larger than that of the connecting pipe 41, so that the reverse flow cover 43 can be completely covered on the end surface of the connecting pipe 41 under the pressure action of the reverse flow water flow, thereby playing a role of sealing and leakage prevention, and it can be ensured that the reverse flow cover 43 only exists on one side of the connecting pipe 41, and cannot be rushed into the connecting pipe 41 by the water flow to touch the switch 42, thereby avoiding influencing the normal opening and closing of the switch 42, and the connecting pipe 41 and the reverse flow cover 43 are connected by a connecting shaft, so that the reverse flow cover 43 can be pushed up by the water flow and rotate along the connecting shaft in the case of the forward flow water flow.

The beneficial effects of the above technical scheme are as follows: by the above-mentioned structure, the reverse flow cover 43 can exist only at one end of the connection pipe 41 and can achieve a perfect sealing effect at the time of the reverse flow of the water current.

In one embodiment, the inner wall of the connection pipe 41 is provided with a linkage mechanism, and the knife 42 is connected with the inner wall of the connection pipe 41 through the linkage mechanism.

The working principle and the beneficial effects of the technical scheme are as follows: the knife 42 can be opened and closed in the connecting tube 41 by a linkage mechanism.

In one embodiment, a mounting groove is formed on the inner wall of the water pipe 5, a sealing ring is arranged in the mounting groove, the pedestal 11 is arranged in the mounting groove, and the pedestal 11 is connected with the mounting groove through a screw.

The working principle of the technical scheme is as follows: be provided with the mounting groove on the inner wall of water pipe 5 and can be used for installing fixedly with pedestal 11, set up the sealing washer earlier in the mounting groove and then insert mounting groove with pedestal 11 to it realizes sealed effect to fix and compress tightly the sealing washer between pedestal 11 and the mounting groove with pedestal 11 and mounting groove through the screw.

The beneficial effects of the above technical scheme are that: through the design of above-mentioned structure, reply that can be better after the mounting groove is installed to pedestal 11 is the impact of rivers on the low reaches and the adverse current, because mount pad 1 except that the screw can fix pedestal 11 when receiving water impact, powerful water impact can make pedestal 11 tightly paste on the inner wall of mounting groove to can also greatly increased mount pad 1 and water pipe 5 fastness and leakproofness between the inner wall through the sealing washer in the mounting groove.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

While embodiments of the invention have been described above, it is not intended to be limited to the details shown, described and illustrated herein, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed, and to such extent that such modifications are readily available to those skilled in the art, and it is not intended to be limited to the details shown and described herein without departing from the general concept as defined by the appended claims and their equivalents.

Claims (9)

1. The utility model provides an use device that realizes two-way function of drawing water through the unidirectional pump on the pump floodgate which characterized in that includes: the device comprises a mounting seat (1), a two-way pipe (2), a one-way pump (3) and four one-way valves (4); the mounting seat (1) is arranged on the inner wall of the water pipe (5), the two-way pipe (2) is arranged on the mounting seat (1), the one-way pump (3) is arranged inside the two-way pipe (2), and the one-way valve (4) is arranged at the end part of the two-way pipe (2).

2. The device applied to the pump brake for realizing the bidirectional water pumping function through the one-way pump is characterized in that a pedestal (11) is arranged on the side wall of the mounting seat (1), the pedestal (11) is clamped with the inner wall of the water pipe (5), the mounting seat (1) is connected with the water pipe (5) through the pedestal (11), a first through hole, a second through hole and a third through hole are arranged on the mounting seat (1), and the bidirectional pipe (2) is connected with the mounting seat (1) through the first through hole, the second through hole and the third through hole.

3. The device applied to a pump gate for realizing the function of pumping water in two directions by a one-way pump according to claim 2, wherein the two-way pipe (2) comprises a central first through pipe (21), a second through pipe (22), a third through pipe (23), a first adapter pipe (221) and a second adapter pipe (231), the first through pipe (21) penetrates through the first through hole, the second through pipe (22) penetrates through the second through hole, the third through pipe (23) penetrates through the third through hole, the first adapter pipe (221) and the second adapter pipe (231) are both arranged on the side wall of the first through pipe (21), the first through pipe (21) is communicated with the second through pipe (22) through the first adapter pipe (221), the first through pipe (21) is communicated with the third through pipe (23) through the second adapter pipe (231), the first adapter pipe (221) is located at the left side of the mounting base (1), the second adapter tube (231) is located on the right side of the mounting seat (1), the four one-way valves (4) are respectively arranged at the left end and the right end of the first through tube (21), the right end of the second through tube (22) and the left end of the third through tube (23), the one-way pump (3) is arranged in the first through tube (21), and the one-way pump (3) is located between the first adapter tube (221) and the second adapter tube (231).

4. The device for realizing the bidirectional water pumping function by the one-way pump applied to the pump gate of claim 3, wherein the four one-way valves (4) are a first one-way valve (100), a second one-way valve (200), a third one-way valve (300) and a fourth one-way valve (400); the first check valve (100) is arranged at the left end of the first through pipe (21), the second check valve (200) is arranged at the right end of the second through pipe (22), the third check valve (300) is arranged at the left end of the third through pipe (23), and the fourth check valve (400) is arranged at the right end of the first through pipe (21).

5. The device for realizing the bidirectional pumping function by the one-way pump applied to the pump gate of claim 4, wherein the first one-way valve (100) is in the same direction as the fourth one-way valve (400), the second one-way valve (200) is in the same direction as the third one-way valve (300), and the first one-way valve (100) is opposite to the second one-way valve (200).

6. The device for pumping water bidirectionally by means of a one-way pump applied to a pump gate according to claim 3, characterized in that said one-way valve (4) comprises a connecting tube (41), a plurality of blades (42) and a counter-flow cover (43); the left end of the connecting pipe (41) is respectively connected with the left end and the right end of the first through pipe (21), the right end of the second through pipe (22) and the left end of the third through pipe (23), the knife switch (42) is arranged in the connecting pipe (41), and the countercurrent cover (43) is arranged on the surface of the right end of the connecting pipe (41).

7. The device for pumping water bidirectionally by means of a one-way pump applied to a pump gate as claimed in claim 6, wherein a connecting shaft is provided at the right end of said connecting pipe (41), said reverse flow cover (43) is connected to the right end of said connecting pipe (41) through said connecting shaft, and the diameter of said reverse flow cover (43) is larger than the diameter of said connecting pipe (41).

8. The device for pumping water bidirectionally by means of a one-way pump applied to a pump gate as claimed in claim 7, wherein the inner wall of said connecting tube (41) is provided with a linkage mechanism, and said knife-blade (42) is connected with the inner wall of said connecting tube (41) through said linkage mechanism.

9. The device for pump brake of bi-directional pumping function through one-way pump according to claim 2, wherein the inner wall of the water pipe (5) is provided with a mounting groove, a sealing ring is arranged in the mounting groove, the pedestal (11) is arranged in the mounting groove, and the pedestal (11) is connected with the mounting groove through a screw.

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