CN210566456U

CN210566456U - Plastic mixed flow pump anti-return bottom valve

Info

Publication number: CN210566456U
Application number: CN201920507799.1U
Authority: CN
Inventors: 潘连山
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-12
Filing date: 2019-04-12
Publication date: 2020-05-19
Anticipated expiration: 2029-04-12

Abstract

The utility model discloses a plastic mixed flow pump backflow-preventing bottom valve, which provides a proposal aiming at the existing backflow problem, and comprises a connector with a circular ring structure, one side of the connector is connected with a pipe body, the other end of the pipe body is connected with a flange, the right end part of the connector is provided with a valve plate with a circular ring structure, a fixed plate is welded between the inner walls of the valve plates, one side of the fixed plate, which is close to the pipe body, is fixed with symmetrically arranged connecting plates, one side of the two connecting plates, which is far away from each other, is connected with a valve clack, the connecting part of the connecting plates and the valve clack is provided with a crease, the edge of the valve clack covers the outer wall of the valve plate, one side of the valve clack, which is far away from the pipe body, is fixed with a buffer pad, the valve core of the utility model adopts a, meanwhile, the protective cover can play a certain protective role.

Description

Plastic mixed flow pump anti-return bottom valve

Technical Field

The utility model relates to a bottom valve field especially relates to plastics mixed flow pump backflow prevention bottom valve.

Background

The bottom valve is an energy-saving valve, is generally arranged at the bottom end of an underwater suction pipe of a water pump, is used for limiting liquid in the water pump pipe to flow back to a water source, and has the function of only entering and not exiting. The valve mainly comprises a valve body, a valve cover, a valve core and the like.

At present, after a water pump stops working, water flow quickly falls back, so that a valve core quickly falls down to hit a water inlet, the service life of the valve core is greatly shortened, and therefore the plastic mixed flow pump backflow prevention bottom valve is provided.

SUMMERY OF THE UTILITY MODEL

The utility model provides a plastic mixed flow pump backflow-preventing bottom valve has solved the problem of backward flow.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

plastics mixed flow pump backflow-preventing bottom valve, connector including the ring structure, one side of connector is connected with the body, the other end of body is connected with the flange, the right-hand member portion of connector is equipped with the valve plate of ring structure, the welding has the fixed plate between the inner wall of valve plate, one side that the fixed plate is close to the body is fixed with the connecting plate that the symmetry set up, two one side that the connecting plate was kept away from each other all is connected with the valve clack, and the junction of connecting plate and valve clack is equipped with the crease, and the edge of valve clack covers the outer wall at the valve plate, one side that the body was kept away from to the valve clack is fixed with the blotter, one side welding that the connecting plate is close to the body has the restriction pole that two slopes set up.

Preferably, the connector, the pipe body and the flange are of an integrated structure and are communicated with each other, and mounting holes arranged in a matrix are formed in the right side of the connector.

Preferably, threaded connection has the bolt that is the matrix setting on the mounting plate, and the bolt runs through the valve plate and connects in the mounting hole of connector.

Preferably, the connecting plate has the gim peg that the equidistance set up along length direction threaded connection, and the one end threaded connection of gim peg is on the fixed plate, the contained angle between restriction pole and the connecting plate is 45 degrees.

Preferably, the protection casing and the fastening plate are of an integrated structure, and the outer wall of the protection casing is of a net structure.

The utility model discloses in, through installing connector, body, flange, valve plate, fixed plate, mounting plate, connecting plate, valve clack, restriction pole, gim peg, blotter, under the combined action of each part, the case adopts the sealed structure of lid of single bivalve, only can not advance, plays the effect of buffering water conservation to the life of improvement water pump that can be fine, the protection casing can play certain guard action simultaneously.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the middle valve plate of the present invention.

Fig. 3 is the structure schematic diagram of the connection between the valve plate and the valve flap.

Fig. 4 is a schematic structural diagram of the middle valve flap of the present invention.

Reference numbers in the figures: the device comprises a connector 1, a pipe body 2, a flange 3, a valve plate 4, a fixing plate 5, a fastening plate 6, a connecting plate 7, a valve clack 8, a limiting rod 9, a fixing bolt 10, a buffering pad 11 and a protective cover 12.

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. 1-4, the plastic mixed flow pump backflow-preventing bottom valve comprises a connector 1 with a circular structure, a pipe body 2 is connected with one side of the connector 1, a flange 3 is connected with the other end of the pipe body 2, a valve plate 4 with a circular structure is arranged at the right end part of the connector 1, a fixing plate 5 is welded between the inner walls of the valve plate 4, symmetrically arranged connecting plates 7 are fixed on one side of the fixing plate 5 close to the pipe body 2, valve flaps 8 are connected on the sides of the two connecting plates 7 far away from each other, and the junction of connecting plate 7 and valve clack 8 is equipped with the crease, and the edge of valve clack 8 covers the outer wall at valve plate 4, and one side that valve clack 8 kept away from body 2 is fixed with blotter 11, and the welding of one side that connecting plate 7 is close to body 2 has two restriction poles 9 that the slope set up, and one side that connector 1 was kept away from to valve plate 4 is fixed with mounting plate 6, and the opposite side of mounting plate 6 is connected with protection casing 12.

Connector 1, body 2, flange 3 is the integral structure, and the three communicates each other, the mounting hole that is the matrix setting is seted up on the right side of connector 1, threaded connection has the bolt that is the matrix setting on mounting plate 6, and the bolt runs through valve plate 4 and connects in the mounting hole of connector 1, connecting plate 7 has gim peg 10 that the equidistance set up along length direction threaded connection, and the one end threaded connection of gim peg 10 is on fixed plate 5, contained angle between restriction pole 9 and the connecting plate 7 is 45 degrees, protection casing 12 and mounting plate 6 are the integral structure, and the outer wall of protection casing 12 is network structure.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The working principle is as follows: when using, flange 3 links to each other with the end of intaking of water pump, when the water pump produces suction, the valve clack 8 of being made by nanometer synthetic material opens and shuts along the crease, make it can accomplish work, and when the water pump was closed, valve clack 8 can be attached to on valve plate 4 again, make to prevent backward flow, debris entering can be placed to protection casing 12 simultaneously, play the effect of protection, and valve clack 8 and valve plate 4 convenient to detach, easily change, mounting plate 6 fixes through the bolt simultaneously, be convenient for demolish, thereby make it wholly be convenient for change the maintenance, the utility model discloses, under the combined action of each part, the case adopts the structure of single bivalve sealed lid, can only go into, plays the effect of buffering water conservation to the life of improvement water pump that can be fine, the protection casing can play certain guard action simultaneously.

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

1. The plastic mixed flow pump backflow-preventing bottom valve comprises a connector (1) of a circular ring structure and is characterized in that one side of the connector (1) is connected with a pipe body (2), the other end of the pipe body (2) is connected with a flange (3), the right end portion of the connector (1) is provided with a valve plate (4) of a circular ring structure, a fixing plate (5) is welded between the inner walls of the valve plate (4), one side, close to the pipe body (2), of the fixing plate (5) is fixedly provided with connecting plates (7) which are symmetrically arranged, one sides, far away from each other, of the two connecting plates (7) are respectively connected with a valve flap (8), the joint of the connecting plates (7) and the valve flaps (8) is provided with creases, the edge of each valve flap (8) covers the outer wall of the valve plate (4), one side, far away from the pipe body (2), of each valve flap (8) is fixedly provided with a cushion pad (11), one, one side of valve plate (4) keeping away from connector (1) is fixed with mounting plate (6), the opposite side of mounting plate (6) is connected with protection casing (12).

2. The plastic mixed flow pump backflow-preventing bottom valve as claimed in claim 1, wherein the connector (1), the pipe body (2) and the flange (3) are of an integrated structure and are communicated with each other, and mounting holes arranged in a matrix are formed in the right side of the connector (1).

3. The plastic mixed flow pump backflow-preventing bottom valve as claimed in claim 1, characterized in that the fastening plate (6) is in threaded connection with bolts arranged in a matrix, and the bolts penetrate through the valve plate (4) and are connected in mounting holes of the connector (1).

4. A plastic mixed flow pump backflow prevention base valve according to claim 1, wherein the connecting plate (7) is in threaded connection with fixing bolts (10) arranged at equal intervals along the length direction, one end of each fixing bolt (10) is in threaded connection with the fixing plate (5), and an included angle between the limiting rod (9) and the connecting plate (7) is 45 degrees.

5. A mixed flow pump anti-backflow base valve as claimed in claim 1, characterised in that the protective cover (12) is of integral construction with the fastening plate (6) and the outer wall of the protective cover (12) is of a mesh construction.