CN213145690U

CN213145690U - Check valve device for water outlet of energy-saving pump

Info

Publication number: CN213145690U
Application number: CN202022032319.6U
Authority: CN
Inventors: 刘岩; 王海生; 刘超
Original assignee: Tianjin Hongfenglin Energy Saving Equipment Technology Co ltd
Current assignee: Tianjin Hongfenglin Energy Saving Equipment Technology Co ltd
Priority date: 2020-09-16
Filing date: 2020-09-16
Publication date: 2021-05-07
Anticipated expiration: 2030-09-16

Abstract

The utility model provides a check valve device for in energy-saving pump outlet belongs to energy-saving pump technical field. The check valve device for the water outlet of the energy-saving pump comprises an energy-saving pump body, a check valve body and a leakage-proof assembly. The mounting panel of elasticity corrugated pipe spare lower extreme is fixed and is compressed tightly the fixed plate in the delivery port of energy-conserving pump body, with the water inlet fixed connection of check valve body in the delivery port of energy-conserving pump body, in-process, installation space is reserved to compressible elasticity corrugated pipe spare, again with the mounting panel of elasticity corrugated pipe spare upper end fixed compress tightly on the fixed plate of the water inlet of check valve body, through forming airtight cavity between fixed plate and the elasticity corrugated pipe spare inner wall, when oil reveals from check valve body and energy-conserving pump body junction, the inflow cavity, advance the cavity and collect, reduce the condition that flows into in the external environment, and then effectual energy-conserving pump and the check valve junction that improves now make oil reveal easily, and then the problem of polluted.

Description

Check valve device for water outlet of energy-saving pump

Technical Field

The utility model relates to an energy-saving pump field particularly, relates to a check valve device that is arranged in energy-saving pump outlet.

Background

The energy-saving pump is different from other energy-saving technologies such as single frequency conversion and the like, namely ' efficiency reduction and low energy consumption ', the technical problem of high energy consumption and low efficiency ' commonly existing in a hot oil circulating system is solved, a check valve is always arranged at a water outlet of the energy-saving pump and used for reducing backflow of hot oil, at present, the water outlet of the energy-saving pump is fixedly connected with the check valve through a flange, and a sealing gasket is tightly sealed between the flanges, so that oil leakage is easily caused after long-time use or the flanges are not tightly sealed, and the environment is further polluted.

How to invent a check valve device used in an energy-saving pump water outlet to improve the problems becomes a problem to be solved by the technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

In order to compensate the above deficiency, the utility model provides a check valve device for in energy-saving pump outlet aims at improving current energy-saving pump and the check valve junction makes oil reveal easily, and then the problem of polluted environment.

The utility model discloses a realize like this:

a check valve device for use in an economizer pump outlet includes an economizer pump body, a check valve body, and a leak prevention assembly.

The water inlet of the check valve body is fixedly connected with the water outlet of the energy-saving pump body through a flange, the leakage-proof assembly comprises two fixing plates, two mounting plates, an elastic corrugated pipe fitting, a connecting bolt and a connecting nut, the two fixing plates are arranged in two numbers and are respectively sleeved on the outer wall of the water inlet pipeline of the check valve body and the outer wall of the water outlet pipeline of the energy-saving pump body, each fixing plate comprises two butted fixing plates and two butted positioning rings, each positioning ring is fixedly connected to one side of each fixing plate, U-shaped grooves are uniformly formed in the peripheries of the fixing plates and the mounting plates, the U-shaped grooves of the fixing plates and the U-shaped grooves of the mounting plates are correspondingly arranged, the mounting plates are slidably sleeved on the outer walls of the two ends of the elastic corrugated pipe fitting, and the inner walls of the two ends of the elastic corrugated, the elastic corrugated pipe fitting is sleeved at the joint of the water inlet of the check valve body and the water outlet of the energy-saving pump body, the mounting plate is pressed on the fixing plate through the connecting bolt and the connecting nut, the connecting bolt is located in the U-shaped groove, and the end part of the elastic corrugated pipe fitting is pressed on the fixing plate through the mounting plate.

In an embodiment of the present invention, the elastic corrugated pipe comprises an elastic corrugated pipe and a supporting plate fixedly connected to the outer walls of the two ends of the elastic corrugated pipe.

In an embodiment of the present invention, the elastic bellows and the support plate are formed by injection molding, and the elastic bellows and the support plate are made of elastic rubber.

The utility model discloses an in one embodiment, the delivery port pipeline outer wall of energy-conserving pump body threaded connection has pressure sensor on the fixed plate, pressure sensor runs through the fixed plate.

In an embodiment of the present invention, the outer wall of the end of the positioning ring is provided with an oblique groove.

In an embodiment of the present invention, the outer wall of the outlet pipe of the energy-saving pump body is screwed with a plug member on the fixing plate.

The utility model discloses an in one embodiment, the end cap spare includes end cap and sealing washer, the sealing washer cup joint in the end cap, the end cap will the sealing washer compress tightly in the fixed plate.

The utility model discloses an in one embodiment, the end cap includes threaded rod and rotation portion, rotation portion fixed connection in threaded rod one end.

In an embodiment of the present invention, the threaded rod is provided with a lightening hole inside.

In an embodiment of the present invention, the periphery of the rotating portion is uniformly provided with anti-slip strips.

The utility model has the advantages that: the utility model discloses a check valve device for energy-saving pump outlet that obtains through the design, when installing, elasticity corrugated pipe spare both ends outer wall inserts two mounting panels respectively through elastic deformation, the mounting panel of elasticity corrugated pipe spare lower extreme is fixed and is compressed tightly in the fixed plate of the delivery port of energy-saving pump body, the water inlet of check valve body is fixed and is connected in the delivery port of energy-saving pump body, in-process, compressible elasticity corrugated pipe spare reserves the installation space, again the mounting panel of elasticity corrugated pipe spare upper end is fixed and is compressed tightly on the fixed plate of the water inlet of check valve body, through forming airtight cavity between fixed plate and the elasticity corrugated pipe spare inner wall, when oil reveals from check valve body and the energy-saving pump body junction, flow into the cavity, enter the cavity and collect, reduce the condition in the external environment that flows into, and then effectual improvement current energy-saving pump and, thereby polluting the environment.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural view of a check valve device used in an outlet of an energy-saving pump according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a leak-proof assembly according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a fixing plate according to an embodiment of the present invention;

fig. 4 is an enlarged schematic structural diagram of a point a in fig. 2 according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a plug member according to an embodiment of the present invention;

fig. 6 is a schematic structural view of a plug according to an embodiment of the present invention.

In the figure: 100-energy-saving pump body; 200-a check valve body; 300-a leak-proof assembly; 310-fixing the plate; 311-a fixed plate; 312-a positioning ring; 320-a U-shaped groove; 330-a mounting plate; 340-elastic bellows; 341-elastic bellows; 342-a support plate; 350-connecting bolt; 360-connecting a nut; 370-a pressure sensor; 380-a plug member; 381-plug; 3811-a threaded rod; 3812-lightening holes; 3813-a rotating portion; 3814-cleats; 382-sealing ring.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

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.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

Referring to fig. 1, the present invention provides a check valve device for an outlet of an energy-saving pump, including an energy-saving pump body 100, a check valve body 200 and a leakage-proof assembly 300, wherein the energy-saving pump body 100 is used for driving hot oil to move, the check valve body 200 is used for reducing backflow of the hot oil, and the leakage-proof assembly 300 is used for collecting leaked hot oil.

In this embodiment, the water inlet of the check valve body 200 is fixedly connected to the water outlet of the energy-saving pump body 100 through a flange;

referring to fig. 2, the leakage preventing assembly 300 includes two fixing plates 310, two mounting plates 330, an elastic corrugated pipe 340, a connecting bolt 350 and a connecting nut 360, wherein the two fixing plates 310 are respectively sleeved on the outer wall of the water inlet pipe of the check valve body 200 and the outer wall of the water outlet pipe of the energy-saving pump body 100.

Referring to fig. 3, the fixing plate 310 is composed of two fixing plates 311 and two positioning rings 312, the positioning rings 312 are connected to one side of the fixing plates 311, the positioning rings 312 and the fixing plates 311 are integrated, the fixing plates 311 are inserted into the outer wall of the water inlet pipe of the check valve body 200 and the outer wall of the water outlet pipe of the energy-saving pump body 100, respectively, and can be modified from the existing energy-saving pump body 100 and check valve body 200 by welding, U-shaped grooves 320 are uniformly formed around the fixing plates 311 and the mounting plates 330, the U-shaped grooves 320 of the fixing plates 311 and the U-shaped grooves 320 of the mounting plates 330 are correspondingly arranged, the mounting plates 330 are slidably sleeved on the outer walls at the two ends of the elastic bellows 340, the inner walls at the two ends of the elastic bellows 340 are inserted into the outer walls of the two positioning rings 312, the elastic bellows 340 is sleeved on the, the mounting plate 330 is pressed against the fixing plate 311 through the connecting bolt 350 and the connecting nut 360, the connecting bolt 350 is located in the U-shaped groove 320, when the connecting bolt 350 or the connecting nut 360 rusts, the connecting nut 360 is not convenient to completely take off, the connecting nut 360 is unscrewed, the pressing state of the mounting plate 330 and the fixing plate 311 is relieved, the connecting bolt 350 and the connecting nut 360 can be drawn out of the U-shaped groove 320, the purpose of detaching the connecting bolt 350 and the connecting nut 360 is achieved, the time required for pressing, fixing and detaching the mounting plate 330 and the fixing plate 311 can be effectively reduced, the mounting plate 330 presses the end part of the elastic corrugated pipe fitting 340 against the fixing plate 311, the fixing plate 311 on the outer wall of the water outlet pipeline of the energy-saving pump body 100 is in.

In this embodiment, during installation, the outer walls of the two ends of the elastic bellows 340 are respectively inserted into the two mounting plates 330 by elastic deformation, the mounting plate 330 at the lower end of the elastic bellows 340 is fixedly pressed against the fixing plate 311 at the water outlet of the energy-saving pump body 100, the water inlet of the check valve body 200 is fixedly connected to the water outlet of the energy-saving pump body 100, in the process, the elastic bellows 340 is compressed to reserve a mounting space, the mounting plate 330 at the upper end of the elastic bellows 340 is fixedly pressed against the fixing plate 311 at the water inlet of the check valve body 200, a closed cavity is formed between the fixing plate 311 and the inner wall of the elastic bellows 340, when oil leaks from the connection between the check valve body 200 and the energy-saving pump body 100, the oil flows into the cavity and is collected, the oil flowing into the external environment is reduced, and the oil leakage, and then the problem of polluted environment, after the oil was gone into in the cavity, the pressure in the cavity produced the change, judges whether to appear leaking through pressure sensor 370.

Referring to fig. 4, the elastic bellows 340 includes an elastic bellows 341 and a supporting plate 342 fixedly connected to outer walls of two ends of the elastic bellows 341, the elastic bellows 341 and the supporting plate 342 are integrally formed by injection molding, the elastic bellows 341 and the supporting plate 342 are made of elastic rubber, and an inclined groove is formed on an outer wall of an end of the positioning ring 312 to facilitate the insertion of the supporting plate 342 into the positioning ring 312, thereby facilitating the positioning of the elastic bellows 341.

Referring to fig. 5, a plug member 380 is screwed on the fixing plate 311 on the outer wall of the water outlet pipe of the energy-saving pump body 100, the plug member 380 includes a plug 381 and a sealing ring 382, the sealing ring 382 is sleeved on the plug 381, the plug 381 compresses the sealing ring 382 to the fixing plate 311, and the oil overflow from the connection between the plug 381 and the fixing plate 311 is reduced.

Please refer to fig. 6, the plug 381 includes a threaded rod 3811 and a rotating portion 3813, the rotating portion 3813 is fixedly connected to one end of the threaded rod 3811, the rotating portion 3813 and the threaded rod 3811 are integrated, a lightening hole 3812 is formed inside the threaded rod 3811, anti-slip strips 3814 are uniformly arranged on the periphery of the rotating portion 3813, after oil enters the cavity, when the oil needs to be dismounted and repaired, the threaded rod 3811 is rotated by the rotating portion 3813, the threaded rod 3811 completely exits from the fixing plate 311, and then the oil in the cavity can be discharged, the oil in the cavity during repair is reduced, and the environment is polluted.

In particular, the working principle of the check valve device used in the water outlet of the energy-saving pump is as follows: when the oil leakage check valve is installed, the outer walls of two ends of the elastic corrugated pipe fitting 340 are respectively inserted into the two mounting plates 330 through elastic deformation, the mounting plate 330 at the lower end of the elastic corrugated pipe fitting 340 is fixedly pressed on the fixing plate 311 at the water outlet of the energy-saving pump body 100, the water inlet of the check valve body 200 is fixedly connected to the water outlet of the energy-saving pump body 100, in the process, a mounting space is reserved in the compressible elastic corrugated pipe fitting 340, the mounting plate 330 at the upper end of the elastic corrugated pipe fitting 340 is fixedly pressed on the fixing plate 311 at the water inlet of the check valve body 200, a closed cavity is formed between the fixing plate 311 and the inner wall of the elastic corrugated pipe fitting 340, when oil leaks from the joint of the check valve body 200 and the energy-saving pump body 100, the oil flows into the cavity and is collected, the condition of flowing into, after oil is fed into the cavity, the pressure in the cavity changes, and whether leakage occurs is judged through the pressure sensor 370.

After oil is fed into the cavity, when the oil needs to be detached for maintenance, the threaded rod 3811 is rotated through the rotating part 3813 until the threaded rod 3811 completely exits from the fixing plate 311, so that the oil in the cavity can be discharged, and the conditions of oil in the cavity and environmental pollution during maintenance are reduced.

When processing, the fixing plate 311 is inserted into the outer wall of the water inlet pipeline of the check valve body 200 and the outer wall of the water outlet pipeline of the energy-saving pump body 100, respectively, and the existing energy-saving pump body 100 and the check valve body 200 can be modified by welding.

When the connecting bolt 350 or the connecting nut 360 rusts and the connecting nut 360 is not convenient to completely take off, the connecting nut 360 is unscrewed, the compression state of the mounting plate 330 and the fixing plate 311 is released, the connecting bolt 350 and the connecting nut 360 can be pulled out of the U-shaped groove 320, the purpose of disassembling the connecting bolt 350 and the connecting nut 360 is achieved, and the time required for compressing, fixing and disassembling the mounting plate 330 and the fixing plate 311 can be effectively reduced.

It should be noted that the specific model specifications of the energy-saving pump body 100, the check valve body 200 and the pressure sensor 370 need to be determined by type selection according to the actual specification of the device, and the specific type selection calculation method adopts the prior art in the field, so detailed burdens are not needed.

The power supply of the economizer pump body 100 and the pressure sensor 370 and the principle thereof will be apparent to those skilled in the art and will not be described in detail herein.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A check valve device used in an energy-saving pump water outlet is characterized by comprising

An energy-saving pump body (100);

the water inlet of the check valve body (200) is fixedly connected to the water outlet of the energy-saving pump body (100) through a flange;

the anti-leakage assembly (300) comprises two fixing plate pieces (310), two mounting plates (330), an elastic corrugated pipe piece (340), a connecting bolt (350) and a connecting nut (360), wherein the two fixing plate pieces (310) are arranged, the two fixing plate pieces (310) are respectively sleeved on the outer wall of a water inlet pipeline of the check valve body (200) and the outer wall of a water outlet pipeline of the energy-saving pump body (100), the fixing plate pieces (310) are composed of two butted fixing plates (311) and two butted positioning rings (312), the positioning rings (312) are fixedly connected to one side of the fixing plate (311), U-shaped grooves (320) are uniformly formed in the peripheries of the fixing plate (311) and the mounting plates (330), the U-shaped grooves (320) of the fixing plate (311) and the U-shaped grooves (320) of the mounting plates (330) are correspondingly arranged, mounting panel (330) slip cup joint in elasticity corrugated pipe spare (340) both ends outer wall, elasticity corrugated pipe spare (340) both ends inner wall inserts two butt joints holding ring (312) outer wall, elasticity corrugated pipe spare (340) cup joint in the water inlet of check valve body (200) with the delivery port junction of energy-conserving pump body (100), mounting panel (330) pass through connecting bolt (350) with coupling nut (360) compress tightly in fixed plate (311), connecting bolt (350) are located in U-shaped groove (320), mounting panel (330) will elasticity corrugated pipe spare (340) tip compress tightly in fixed plate (311).

2. The check valve device for an outlet of an economizer pump according to claim 1, wherein the elastic bellows member (340) comprises an elastic bellows (341) and support plates (342) fixedly attached to outer walls of both ends of the elastic bellows (341).

3. A check valve device for an energy saving pump outlet according to claim 2, characterized in that the elastic bellows (341) and the support plate (342) are formed by integral injection molding, and the material of the elastic bellows (341) and the support plate (342) is provided as elastic rubber.

4. The check valve device for the outlet of the economizer pump according to claim 1, wherein a pressure sensor (370) is screwed on the fixing plate (311) of the outer wall of the outlet pipe of the economizer pump body (100), and the pressure sensor (370) penetrates through the fixing plate (311).

5. The check valve device for an economizer pump outlet according to claim 1, characterized in that the outer wall of the end of the retaining ring (312) is provided with a beveled bevel.

6. The check valve device for an economizer pump outlet according to claim 1, wherein a plug member (380) is threadedly coupled to the fixing plate (311) of the outer wall of the outlet pipe of the economizer pump body (100).

7. The check valve device for the outlet of an economizer pump according to claim 6, wherein the plug member (380) comprises a plug (381) and a sealing ring (382), the sealing ring (382) is sleeved on the plug (381), and the plug (381) presses the sealing ring (382) to the fixing plate (311).

8. A non-return valve device in an energy saving pump outlet according to claim 7, characterized in that the plug (381) comprises a threaded rod (3811) and a rotating part (3813), the rotating part (3813) being fixedly connected to one end of the threaded rod (3811).

9. The non-return valve device for an economizer pump outlet according to claim 8, characterized in that the threaded rod (3811) is internally perforated with lightening holes (3812).

10. The non-return valve device for an economizer pump outlet according to claim 8, characterized in that the periphery of the rotating portion (3813) is uniformly provided with anti-slip strips (3814).