CN217762550U - Check valve convenient to install - Google Patents

Abstract

The utility model discloses a check valve easy to assemble, which comprises a valve body, the fixed pipe of one end fixedly connected with of valve body, the other end fixedly connected with hose of valve body, the one end of fixed pipe and hose all is provided with the connecting piece, one side of connecting piece is provided with discharge pipe and inflow pipe respectively, the connecting piece includes first flange, polygonal groove has been seted up to one side of first flange, polygonal flange is installed through the bolt embedding to the inner wall of polygonal groove, be provided with the sealing washer between polygonal groove and the polygonal flange, one side difference fixed connection inflow pipe and the discharge pipe of polygonal flange. The utility model discloses a cooperation of polygonal groove and polygon flange can realize and the first flange between quick location align, and then the installation operation of the bolt of being convenient for, through the cooperation of draw-in groove and nut, can avoid the unable installation of equipment that the smooth silk leads to, be favorable to more using simultaneously.

Description

Check valve easy to assemble

Technical Field

The utility model relates to a check valve technical field that is relevant specifically is a check valve easy to assemble.

Background

The check valve is a valve whose opening and closing member is a circular valve clack and can be actuated by self weight and medium pressure to block medium backflow, belonging to the field of automatic valve, also called check valve, one-way valve, reflux valve or isolating valve, and its valve clack movement mode can be divided into lifting type and swing type, the lifting type check valve is similar to the structure of stop valve, and only lacks valve rod for driving valve clack, the medium can be flowed in from inlet end (lower side) and flowed out from outlet end (upper side), when the inlet pressure is greater than the sum of valve clack weight and its flow resistance, the valve can be opened, otherwise, when the medium is backflow, the valve can be closed, and the swing type check valve has a valve clack which is obliquely placed and can be rotated around shaft, and its working principle is similar to that of lifting type check valve.

However, the prior device has the following defects in the technology:

1. most of the existing check valves lack a positioning guide mechanism, so that the installation and operation of equipment are complicated, much time is needed, and the use is not facilitated;

2. current check valve adopts the fixed design of integral type mostly, and the both ends orientation of valve body can not be adjusted, and then leads to the installation sight restriction of equipment great, the use of being not convenient for more.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a check valve easy to assemble to solve the problem that proposes in the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme: the check valve convenient to install comprises a valve body, wherein a fixing pipe is fixedly connected to one end of the valve body, a hose is fixedly connected to the other end of the valve body, connecting pieces are arranged at one ends of the fixing pipe and the hose, a discharge pipe and a flow-in pipe are respectively arranged on one side of each connecting piece, each connecting piece comprises a first flange, a polygonal groove is formed in one side of each first flange, polygonal flanges are installed on the inner walls of the polygonal grooves in an embedded mode through bolts, a sealing ring is arranged between each polygonal groove and each polygonal flange, and the flow-in pipe and the discharge pipe are respectively fixedly connected to one side of each polygonal flange.

Further, the hose includes the base member, the fixed surface of base member is connected with thermal-insulated felt, the fixed surface of thermal-insulated felt is connected with the wire weaving layer.

Furthermore, the surface of the metal wire weaving layer is fixedly connected with a red lead anti-rust paint layer, and the surface of the red lead anti-rust paint layer is fixedly connected with an epoxy resin coating.

Furthermore, the surface of the epoxy resin coating is fixedly connected with a decorative adhesive layer.

Furthermore, a chamfer groove is formed in the inlet of the polygonal groove, a limit groove is formed in the inner wall of the polygonal groove, and the inner wall of the limit groove is connected with the sealing ring in a sliding mode.

Furthermore, the surface card of polygon flange dies there is the draw-in groove, the inner wall sliding connection of draw-in groove has the nut, the inner wall of nut passes through threaded connection bolt, the counter sink has been seted up on the surface of first flange, the head of bolt sinks in the inside of counter sink.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is:

(1) The utility model discloses a cooperation of polygonal groove and polygon flange can realize and the first flange between quick location align, and then the installation operation of the bolt of being convenient for, through the cooperation of draw-in groove and nut, can avoid the unable installation of equipment that the smooth silk leads to, be favorable to more using simultaneously.

(2) The utility model discloses a set up the hose, can carry out the free regulation to the orientation at valve body both ends, simultaneously through adding and establishing wire weaving layer, red lead anti-rust paint layer and epoxy coating, intensity that can effectual improvement hose, and then effectual flexibility and the convenience that has improved the equipment use, very be favorable to the use.

Drawings

The accompanying drawings 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. In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the hose of the present invention;

fig. 3 is a schematic view of the structure of the connecting member of the present invention.

In the figure: 1. a valve body; 2. a fixed tube; 3. a hose; 31. a substrate; 32. a heat insulation felt; 33. a wire braid; 34. red lead antirust paint layer; 35. an epoxy resin coating; 36. decorating the adhesive layer; 4. a discharge pipe; 5. an inflow pipe; 6. a connecting member; 61. a first flange; 62. a polygonal groove; 63. a polygonal flange; 64. a bolt; 65. a card slot; 66. a nut; 67. a seal ring; 68. a limiting groove; 691. chamfering grooves; 692. and (4) countersinking.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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. 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.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a check valve easy to assemble, including valve body 1, the fixed pipe 2 of one end fixedly connected with of valve body 1, the other end fixedly connected with hose 3 of valve body 1, the one end of fixed pipe 2 and hose 3 all is provided with connecting piece 6, one side of connecting piece 6 is provided with discharge pipe 4 and inflow pipe 5 respectively, connecting piece 6 includes first flange 61, polygonal groove 62 has been seted up to one side of first flange 61, polygonal flange 63 is installed through the embedding of bolt 64 to polygonal groove 62's inner wall, be provided with sealing washer 67 between polygonal groove 62 and the polygonal flange 63, one side fixed connection inflow pipe 5 and discharge pipe 4 respectively of polygonal flange 63, cooperation through polygonal groove 62 and polygonal flange 63, can realize with the quick location alignment between the first flange 61, and then the installation of bolt 64 of being convenient for, be favorable to the use more.

Specifically, hose 3 includes base member 31, and the fixed surface of base member 31 is connected with thermal-insulated felt 32, and the fixed surface of thermal-insulated felt 32 is connected with wire weaving layer 33, adds through the surface at base member 31 and establishes thermal-insulated felt 32, can make hose 3 have good thermal-insulated heat preservation effect, adds simultaneously and establishes wire weaving layer 33, can improve hose 3's intensity, is favorable to the use more.

Specifically, the fixed surface of wire weaving layer 33 is connected with red lead anti-corrosive paint layer 34, and the fixed surface of red lead anti-corrosive paint layer 34 is connected with epoxy coating 35, establishes red lead anti-corrosive paint layer 34 and epoxy coating 35 through scribbling in proper order on the surface of wire weaving layer 33, can effectual improvement wire weaving layer 33's corrosion resistance and corrosion resistance, very is favorable to using.

Specifically, the fixed surface of epoxy coating 35 is connected with decorates glue film 36, establishes epoxy coating 35 through adding, can improve the pleasing to the eye degree on hose 3 surface, is favorable to the use more.

Specifically, chamfer groove 691 has been seted up to the import department of polygonal groove 62, and spacing groove 68 has been seted up to the inner wall of polygonal groove 62, and the inner wall sliding connection sealing washer 67 of spacing groove 68 establishes chamfer groove 691 through adding, can guide it when installation polygon flange 63, makes its faster inside of joining polygonal groove 62, sets up spacing groove 68 simultaneously, and convenient to use person carries out quick replacement to ageing sealing washer 67, very is favorable to the use.

Specifically, polygonal flange 63's surface card dies there is draw-in groove 65, the inner wall sliding connection of draw-in groove 65 has nut 66, threaded connection bolt 64 is passed through to the inner wall of nut 66, counter bore 692 has been seted up on first flange 61's surface, bolt 64's head sinks in the inside of counter bore 692, cooperation through draw-in groove 65 and nut 66, can avoid directly seting up the screw thread on polygonal flange 63's inner wall, and then can avoid the unable installation problem of the equipment that the smooth silk of screw thread leads to, add simultaneously and establish counter bore 692, can protect bolt 64's head, very be favorable to the use.

The utility model discloses a theory of operation: when the user need carry out the installation of connecting piece 6, at first push polygon flange 63 to polygon groove 62, guide through chamfer groove 691, polygon flange 63 gets into polygon groove 62's inside fast, then the user inserts bolt 64 in the inside of counter bore 692 and rotates, bolt 64 gets into the inside of nut 66 under the effect of screw thread thrust, and then realize the swift installation to connecting piece 6, very be favorable to using, simultaneously the user is through the first flange 61 that stimulates hose 3 one end, can install it in the optional position, very big improvement the use flexibility of equipment, simultaneously through establishing thermal-insulated felt 32 additionally, can improve the thermal-insulated heat preservation effect of hose 3, establish wire weaving layer 33 additionally, can improve the intensity of hose 3, scribble red lead rust-proof paint layer 34 and epoxy coating 35 in proper order on wire weaving layer 33's surface, can effectual improvement wire weaving layer 33's corrosion resistance and corrosion resistance, be favorable to using more.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. 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 (6)

1. The utility model provides a check valve easy to assemble, includes valve body (1), its characterized in that: the improved valve is characterized in that a fixed pipe (2) is fixedly connected to one end of the valve body (1), a hose (3) is fixedly connected to the other end of the valve body (1), a connecting piece (6) is arranged at one end of each of the fixed pipe (2) and the hose (3), a discharge pipe (4) and an inflow pipe (5) are respectively arranged at one side of the connecting piece (6), the connecting piece (6) comprises a first flange (61), a polygonal groove (62) is formed in one side of the first flange (61), a polygonal flange (63) is embedded into the inner wall of the polygonal groove (62) through a bolt (64), a sealing ring (67) is arranged between the polygonal groove (62) and the polygonal flange (63), and the inflow pipe (5) and the discharge pipe (4) are respectively and fixedly connected to one side of the polygonal flange (63).

2. An easy-to-install check valve as defined in claim 1, wherein: the hose (3) comprises a base body (31), wherein the surface of the base body (31) is fixedly connected with a heat insulation felt (32), and the surface of the heat insulation felt (32) is fixedly connected with a metal wire braided layer (33).

3. An easy-to-install check valve as defined in claim 2, wherein: the surface of the metal wire braid layer (33) is fixedly connected with a red lead anti-rust paint layer (34), and the surface of the red lead anti-rust paint layer (34) is fixedly connected with an epoxy resin coating (35).

4. A non-return valve to facilitate installation according to claim 3, wherein: and the surface of the epoxy resin coating (35) is fixedly connected with a decorative adhesive layer (36).

5. An easy-to-install check valve as defined in claim 1, wherein: an inlet of the polygonal groove (62) is provided with a chamfer groove (691), the inner wall of the polygonal groove (62) is provided with a limit groove (68), and the inner wall of the limit groove (68) is connected with the sealing ring (67) in a sliding manner.

6. An easy-to-install check valve as defined in claim 1, wherein: the surface of polygonal flange (63) is dead to have draw-in groove (65) in the card, the inner wall sliding connection of draw-in groove (65) has nut (66), threaded connection bolt (64) is passed through to the inner wall of nut (66), counter bore (692) have been seted up on the surface of first flange (61), the head of bolt (64) sinks in the inside of counter bore (692).

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