CN220770227U

CN220770227U - Check valve casting convenient and fast to assemble

Info

Publication number: CN220770227U
Application number: CN202322186575.4U
Authority: CN
Inventors: 陈庚; 陈家元; 王小荣; 叶阳春
Original assignee: Lishui Sunway Machinery Co ltd
Current assignee: Lishui Sunway Machinery Co ltd
Priority date: 2023-08-15
Filing date: 2023-08-15
Publication date: 2024-04-12
Anticipated expiration: 2033-08-15

Abstract

The utility model discloses a check valve casting convenient to assemble quickly, which comprises a casting shell, wherein a nut block is inserted and assembled with a nut splicing groove, the nut splicing groove is formed in the edge of the upper end of the casting shell, a threaded mounting groove is formed in the center of the upper end of a splicing cover plate, and a threaded mounting block is inserted and assembled on the inner wall of the threaded mounting groove. This check valve foundry goods of convenient fast-assembling can carry out the sealed concatenation installation of inserting splice flange and concatenation cover dish through concatenation spacing groove, sealed knot piece, sealed knot groove and concatenation stopper to can drive fixed slot through the spout and slide backward and adjust, fixed insert can insert in the fixed slot moreover, carry out quick stable installation, and can pass through extension spring elastic stretching through fixed insert, convenient quick disassemble, splice the apron and can stabilize the installation through fixing bolt and nut piece moreover, convenient dismouting, the manometer can carry out spiral concatenation installation moreover, it is convenient to change.

Description

Check valve casting convenient and fast to assemble

Technical Field

The utility model relates to the technical field of check valve castings, in particular to a check valve casting convenient to assemble quickly.

Background

The check valve casting means a valve for automatically opening and closing a valve flap depending on the pressure generated by the flow of the medium itself to prevent the medium from flowing backward, and is also called a check valve, a reverse flow valve and a back pressure valve. The check valve casting is one kind of automatic valve and is used mainly in preventing medium backflow, reverse rotation of pump and driving motor and draining of container medium.

The existing CN205859258U check valve casting is characterized in that 2 butterfly-shaped sheets hinged with a hinge shaft are arranged at a liquid inlet of a valve body, two end parts of the hinge shaft are arranged on the inner wall of the valve body, a step groove is formed in the inner wall and used for fixing the position of the hinge shaft by using a screw cap, namely, the butterfly-shaped sheets are stable in position, the matching degree of the butterfly-shaped sheets and the inner wall of the valve body is higher, the impact force of receiving hydraulic impact is greatly reduced due to the positioning of the hinge shaft and the screw cap when a medium stops flowing or flows backwards, but the defect exists, the existing equipment is troublesome in splicing installation and cannot be used in quick disassembly, and parts are inconvenient to replace and disassemble, so that the check valve casting convenient to assemble is needed to solve the problems.

Disclosure of Invention

The utility model aims to provide a check valve casting which is convenient and quick to assemble, so as to solve the problems that the check valve casting in the background art is troublesome in splicing and mounting, can not be quickly assembled and disassembled, and parts are inconvenient to replace and assemble.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the check valve casting convenient and fast to assemble comprises a casting shell body, communicating pipes are arranged on two sides of the casting shell body in a communicating way, a water inlet is formed in one side of the inner wall of the casting shell body, a water outlet is formed in the other side of the inner wall of the casting shell body, splicing sleeve discs are arranged on two sides of the casting shell body, splicing limit grooves are formed in the edges of the inner walls of the splicing sleeve discs, sealing buckle blocks are fixedly connected to one ends of the splicing sleeve discs, splicing limit blocks are arranged on the inner walls of the splicing limit grooves in an inserting way, splicing flanges are fixedly connected to the inner walls of the splicing limit blocks, one sides of the splicing flanges are communicated with the communicating pipes, sealing buckle grooves are formed in the edges of one ends of the splicing flanges, the sealing buckle grooves are buckled with the sealing buckle blocks, fixing slots are formed in the upper ends of the edges of the splicing sleeve discs, fixing plug blocks are fixedly arranged on the inner walls of the fixing slots in an inserting way, and drawing rods are distributed on two sides of the fixing plug blocks, and one end of the pull rod is fixedly connected with a tension spring, the pull rod, the tension spring and the pull groove are installed in a plugging manner, the pull groove is formed in the edge of the spliced sleeve disk, a chute is formed in the upper end of the side face of the spliced flange, a closed lifting groove is installed between the water outlet and the water inlet in a communicating manner, a closed block is installed in the inner wall of the closed lifting groove in a plugging manner, a telescopic supporting block is installed in the upper end of the closed block in a plugging manner, the upper end of the closed block is provided with a reset spring, the telescopic supporting block and the upper end of the inner wall of the casting shell body are fixedly installed, a spliced cover plate is installed in the upper end of the casting shell body, a pressure guide groove is formed in the lower end of the inner wall of the spliced cover plate, a fixing bolt is installed in the edge of the spliced cover plate in a plugging manner, a nut block is installed in the outer wall of the fixing bolt in a sleeving manner, the nut block is installed in the splicing groove in a plugging manner, and the nut groove is formed in the upper end edge of the casting shell body, the center position of the upper end of the spliced cover plate is provided with a threaded mounting groove, the inner wall of the threaded mounting groove is provided with a threaded mounting block in a plugging manner, and the upper end of the threaded mounting block is communicated with a pressure gauge.

Preferably, the casting shell body is in limit insertion installation with the communicating pipe in the splice limit groove through the splice limit block, and the casting shell body is in buckling sealing installation with the communicating pipe in the sealing buckle groove through the sealing buckle block.

Preferably, the splicing sleeve disc is fixedly installed with the splicing flange in the fixed slot through a fixed plug block, and the fixed plug block is elastically and telescopically connected with the fixed slot on the drawing rod in the drawing slot through a drawing spring.

Preferably, the splicing cover plate, the reset spring, the telescopic supporting block and the sealing block are fixedly installed with the casting shell body through the inserting bolts in the nut block through the fixing bolts, and the nut block is installed with the casting shell body through the nut splicing groove in a positioning magnetic inserting mode.

Preferably, the pressure gauge is communicated with the closed lifting groove through the pressure guide groove, and the pressure gauge is in spiral splicing installation with the splicing cover plate in the threaded installation groove through the threaded installation block.

Preferably, the shape of the sealing block is matched with the shape of the sealing lifting groove, and the sealing block is elastically reset and connected with the sealing lifting groove on the outer wall of the telescopic supporting block through a reset spring.

Compared with the prior art, the utility model has the beneficial effects that: this check valve foundry goods of convenient fast-assembling can carry out the sealed concatenation installation of inserting splice flange and concatenation cover dish through concatenation spacing groove, sealed knot piece, sealed knot groove and concatenation stopper to can drive fixed slot through the spout and slide backward and adjust, fixed insert can insert in the fixed slot moreover, carry out quick stable installation, and can pass through extension spring elastic stretching through fixed insert, convenient quick disassemble, splice the apron and can stabilize the installation through fixing bolt and nut piece moreover, convenient dismouting, the manometer can carry out spiral concatenation installation moreover, it is convenient to change.

Drawings

FIG. 1 is a front view of a check valve casting of the present utility model for easy and quick assembly;

FIG. 2 is a cross-sectional view of a check valve casting of the present utility model for easy and quick assembly;

FIG. 3 is an enlarged view of the check valve casting of FIG. 2 at A of the present utility model for easy and quick assembly;

FIG. 4 is an enlarged view of the check valve casting of FIG. 2 at B of the present utility model for easy and quick assembly;

FIG. 5 is an enlarged view of the check valve casting of FIG. 2 at C of the present utility model for easy and quick assembly;

FIG. 6 is an enlarged view of the check valve casting of FIG. 2 at D of the present utility model for easy and quick assembly.

In the figure: 1. casting shell body, 2, communicating pipe, 3, splice flange, 4, splice sleeve dish, 5, splice apron, 6, manometer, 7, pressure guide slot, 8, reset spring, 9, flexible supporting shoe, 10, delivery port, 11, water inlet, 12, closing piece, 13, closing lifting groove, 14, spout, 15, pull rod, 16, pull groove, 17, fixed insert, 18, extension spring, 19, fixed slot, 20, fixing bolt, 21, nut splice groove, 22, nut piece, 23, screw thread mounting groove, 24, screw thread mounting piece, 25, splice limit groove, 26, sealing buckle piece, 27, sealing buckle groove, 28, splice stopper.

Description of the embodiments

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.

Referring to fig. 1-6, the present utility model provides a technical solution: a check valve casting convenient and fast to assemble comprises a casting shell 1, a communicating pipe 2, a splicing flange 3, a splicing sleeve 4, a splicing cover plate 5, a pressure gauge 6, a pressure guide groove 7, a reset spring 8, a telescopic supporting block 9, a water outlet 10, a water inlet 11, a sealing block 12, a sealing lifting groove 13, a sliding groove 14, a pull rod 15, a pull groove 16, a fixed plug 17, a tension spring 18, a fixed slot 19, a fixed bolt 20, a nut splicing groove 21, a nut block 22, a threaded mounting groove 23, a threaded mounting block 24, a splicing limiting groove 25, a sealing buckle 26, a sealing buckle 27 and a splicing limiting block 28, wherein the communicating pipe 2 is arranged on two sides of the casting shell 1 in a communicating way, a water inlet 11 is arranged on one side of the inner wall of the casting shell 1, a water outlet 10 is arranged on the other side of the inner wall of the casting shell 1, the casting shell 1 is in a limiting plug 25 through the splicing limiting buckle 28, and the casting shell 1 is in a buckling sealing installation with the communicating pipe 2 in the sealing buckle 27, so that the casting shell 1 and the 2 can be in a limiting sealing plug 21 can be in a sealing plug installation with the sealing buckle 26, the connecting pipe 2 can be in the sealing plug 19, the two sides of the casting shell 1 can be in the sealing buckle 17 can be in a sealing plug 19 and the sealing plug 19 can be connected with the fixed plug 3 and the fixed plug 4 through the fixed plug 4, the fixed plug 1 and the fixed plug 4 is fixedly and the fixed plug 4, the fixed plug is in the fixed plug 19 through the fixed plug and the fixed plug flange 19 and the fixed plug 4 is in the fixed plug flange 19, and the fixed plug 4 is in the fixed plug 19, and the fixed plug 1 is in the fixed plug 1 and the fixed plug has a fixed plug sleeve and the 4 has a fixed plug 4. A splicing limiting block 28 is inserted and installed on the inner wall of the splicing limiting groove 25, a splicing flange 3 is fixedly connected to the inner wall of the splicing limiting block 28, one side of the splicing flange 3 is communicated with the communicating pipe 2, a sealing buckling groove 27 is formed in the edge of one end of the splicing flange 3, the sealing buckling groove 27 is buckled and installed with a sealing buckling block 26, a fixing slot 19 is formed in the upper end of the edge of the splicing sleeve disk 4, a fixing inserting block 17 is inserted and installed on the inner wall of the fixing slot 19, pull rods 15 are distributed on two sides of the fixing inserting block 17, a tension spring 18 is fixedly connected to one end of the pull rods 15, the pull rods 15 and the tension spring 18 are inserted and installed with the pull grooves 16, the pull grooves 16 are formed in the edge of the splicing sleeve disk 4, a sliding groove 14 is formed in the upper end of the side surface of the splicing flange 3, a sealing lifting groove 13 is installed between a water outlet 10 and a water inlet 11 in a communicating mode, a sealing block 12 is installed on the inner wall of the sealing lifting groove 13 in a inserting mode, the shape of the sealing block 12 is matched with the shape of the sealing lifting groove 13, the sealing block 12 is in elastic reset connection with the sealing lifting groove 13 on the outer wall of the telescopic supporting block 9 through the reset spring 8, so that the sealing block 12 is convenient to carry out elastic lifting connection and convenient to seal and open and close adjustment, the upper end of the sealing block 12 is provided with the telescopic supporting block 9 which is inserted and installed on the inner wall of the reset spring 8, the reset spring 8 and the telescopic supporting block 9 are fixedly installed on the upper end of the inner wall of the casting shell 1, the upper end of the casting shell 1 is provided with the splicing cover plate 5, the lower end of the inner wall of the splicing cover plate 5 is provided with the pressure guide groove 7, the splicing cover plate 5, the reset spring 8, the telescopic supporting block 9 and the sealing block 12 are fixedly installed with the casting shell 1 through the fixing bolts 20 in the nut block 22 through the fixing bolts, the nut block 22 is in positioning magnetic force inserted and installed with the casting shell 1 through the nut splicing groove 21, so make concatenation apron 5, reset spring 8, flexible supporting shoe 9 and closing piece 12 conveniently carry out quick assembly disassembly, conveniently change and use, the fixing bolt 20 is installed in the 5 edge of concatenation apron, and fixing bolt 20 outer wall cover is installed to the cover, the cover piece 22 is installed with the cover piece 21 insertion, and the cover piece 21 is seted up in foundry goods shell body 1 upper end edge, screw thread mounting groove 23 has been seted up to concatenation apron 5 upper end central point put, and screw thread mounting groove 23 inner wall insertion installs screw thread mounting piece 24, screw thread mounting piece 24 upper end intercommunication is installed pressure gauge 6, pressure gauge 6 is linked together with closing lifting groove 13 through pressure guide groove 7, and pressure gauge 6 is spiral concatenation installation with concatenation apron 5 through screw thread mounting piece 24 in screw thread mounting groove 23, so make pressure gauge 6 can carry out the water pressure monitoring, and convenient quick assembly disassembly changes and uses.

Working principle: when the check valve casting convenient and fast to assemble is used, firstly, the casting shell 1 of the device is in limit seal installation with the communicating pipe 2 through the splicing limit groove 25, the sealing buckle block 26, the sealing buckle groove 27 and the splicing limit block 28, then the fixed plug block 17 slides to one side through the sliding groove 14, then is inserted into the fixed slot 19 through the extension spring 18 to be locked and fixed, then the pressure gauge 6 is in spiral communication installation with the splicing cover plate 5 through the thread installation block 24 in the thread installation groove 23, then diversion can be carried out, when water is injected into the water inlet 11, the water pressure can be used for elastically jacking the sealing block 12 through the reset spring 8 and the telescopic support block 9, so that the water is led out through the water outlet 10, when the water flow stops to be injected, the sealing block 12 can be automatically reset and sealed for non-return, and when the sealing block 12 needs to be replaced, the quick disassembly and replacement can be carried out through the fixing bolt 20 and the nut block 22, namely the use process of the check valve casting convenient and fast to assemble.

Although the present utility model has been described 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, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a check valve foundry goods of convenient fast-assembling, includes foundry goods shell body (1), communicating pipe (2) are installed in foundry goods shell body (1) both sides intercommunication, and water inlet (11) have been seted up to its foundry goods shell body (1) inner wall one side, and delivery port (10) have been seted up to foundry goods shell body (1) inner wall opposite side, its characterized in that: the two sides of the casting shell body (1) are provided with splicing sleeve discs (4), the edge of the inner wall of each splicing sleeve disc (4) is provided with a splicing limiting groove (25), one end of each splicing sleeve disc (4) is fixedly connected with a sealing buckling block (26), the inner wall of each splicing limiting groove (25) is provided with a splicing limiting block (28) in a plugging manner, the inner wall of each splicing limiting block (28) is fixedly connected with a splicing flange (3), one side of each splicing flange (3) is communicated with a communicating pipe (2), the edge of one end of each splicing flange (3) is provided with a sealing buckling groove (27), the sealing buckling grooves (27) are buckled with the sealing buckling blocks (26), the edge upper end of the splicing sleeve (4) is provided with a fixed slot (19), the inner wall of the fixed slot (19) is inserted and provided with a fixed insert block (17), two sides of the fixed insert block (17) are provided with a drawing rod (15), one end of the drawing rod (15) is fixedly connected with a drawing spring (18), the drawing rod (15) and the drawing spring (18) are inserted and provided with a drawing slot (16), the drawing slot (16) is arranged at the edge of the splicing sleeve (4), the upper end of the side surface of the splicing flange (3) is provided with a sliding slot (14), a closed lifting slot (13) is arranged between the water outlet (10) and the water inlet (11), and seal lifting groove (13) inner wall plug-in mounting has sealed piece (12), reset spring (8) inner wall plug-in mounting has flexible supporting shoe (9) to seal piece (12) upper end, and reset spring (8) and flexible supporting shoe (9) and foundry goods shell body (1) inner wall upper end fixed mounting, splice apron (5) are installed to foundry goods shell body (1) upper end, and splice apron (5) inner wall lower extreme has seted up pressure guide groove (7), fixing bolt (20) are installed in splice apron (5) edge plug-in, and fixing bolt (20) outer wall cover-in mounting has nut piece (22), nut piece (22) and nut splice groove (21) plug-in mounting, and nut splice groove (21) are seted up in foundry goods shell body (1) upper end edge, threaded mounting groove (23) are seted up in splice apron (5) upper end central point, and threaded mounting piece (24) are installed in the inner wall plug-in mounting, pressure gauge (6) are installed in the upper end intercommunication of threaded mounting piece (24).

2. The easy-to-assemble check valve casting of claim 1, wherein: the casting shell body (1) is in limit insertion installation with the communicating pipe (2) in the splicing limit groove (25) through the splicing limit block (28), and the casting shell body (1) is in buckling sealing installation with the communicating pipe (2) in the sealing buckle groove (27) through the sealing buckle block (26).

3. The easy-to-assemble check valve casting of claim 2, wherein: the splicing sleeve disc (4) is fixedly installed in the fixed slot (19) through a fixed inserting block (17) in an inserting mode with the splicing flange (3), and the fixed inserting block (17) is elastically connected with the fixed slot (19) in the drawing slot (16) in a telescopic mode on the drawing rod (15) through a drawing spring (18).

4. A convenient and quick-fit check valve casting according to claim 3, wherein: the splicing cover plate (5), the reset spring (8), the telescopic supporting block (9) and the sealing block (12) are fixedly installed in a bolt inserting mode with the casting shell body (1) in the nut block (22) through the fixing bolts (20), and the nut block (22) is installed in a magnetic force inserting mode with the casting shell body (1) through the nut splicing groove (21).

5. The easy-to-assemble check valve casting of claim 4, wherein: the pressure gauge (6) is communicated with the closed lifting groove (13) through the pressure guide groove (7), and the pressure gauge (6) is in spiral splicing installation with the splicing cover plate (5) in the threaded installation groove (23) through the threaded installation block (24).

6. The easy-to-assemble check valve casting of claim 5, wherein: the shape of the sealing block (12) is matched with the shape of the sealing lifting groove (13), and the sealing block (12) is elastically reset and connected with the sealing lifting groove (13) on the outer wall of the telescopic supporting block (9) through a reset spring (8).