CN216812992U

CN216812992U - Threaded check valve suitable for water drainage pipe of hydroelectric power plant

Info

Publication number: CN216812992U
Application number: CN202220641028.3U
Authority: CN
Inventors: 彭世坤
Original assignee: Wenzhou Shigong Valve Co ltd
Current assignee: Wenzhou Shigong Valve Co ltd
Priority date: 2022-03-23
Filing date: 2022-03-23
Publication date: 2022-06-24
Anticipated expiration: 2032-03-23

Abstract

The utility model provides a threaded check valve suitable for a drain pipe of a hydroelectric power plant, relates to the technical field of conveying switching devices, and aims to solve the problems that the conventional threaded check valve for the drain pipe is poor in stability of a bearing structure and a check structure, so that a check valve shell is easily damaged by external force, and meanwhile, the check structure is easily damaged by overlarge water pressure, and the follow-up internal cleaning is inconvenient; comprises a check valve body; a preset opening is formed in the side face of the check valve body in a penetrating mode, and a closed check structure is arranged on the inner side of the check valve body; the assembling side frames are arranged on the vertical surfaces of the two sides of the check valve body; the stable support is arranged at the bottom of the check valve body, and a bearing bottom block is arranged at the top of the stable support; the rotating support convex is matched with the reset spring to tightly press and assemble the two sets of non-return stop blocks, and meanwhile, the sealing support block seals and bears the non-return stop blocks, so that the device stably performs water flow non-return.

Description

Threaded check valve suitable for water drainage pipe of hydroelectric power plant

Technical Field

The utility model belongs to the technical field of conveying switching devices, and particularly relates to a threaded check valve suitable for a drainage pipe of a hydroelectric power plant.

Background

Hydroelectric power generation is a scientific technology for researching technical and economic problems of engineering construction, production operation and the like for converting water energy into electric energy, the water energy used by hydroelectric power generation is mainly potential energy accumulated in water, and different types of hydropower stations are required to be built for converting the water energy into the electric energy.

Based on the aforesaid, the screw check valve for the drainage pipe is mostly the integral type at present, and load-bearing structure is relatively poor with non return structural stability, and then leads to the non return structure to appear damaging because external force easily, leads to the non return structure to appear damaging because water pressure is too big simultaneously easily to influence the life of device, and be not convenient for follow-up inside clearance of carrying on.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides a threaded check valve suitable for a drainage pipe of a hydroelectric power plant, and aims to solve the problems that the conventional threaded check valve for the drainage pipe is poor in stability of a bearing structure and a check structure, so that a check valve shell is easily damaged by external force, and meanwhile, the check structure is easily damaged by overlarge water pressure, and the subsequent internal cleaning is inconvenient.

The utility model is suitable for the purpose and the effect of a threaded check valve of a drainage pipe of a hydroelectric power plant, and is achieved by the following specific technical means:

the threaded check valve is suitable for a drainage pipe of a hydroelectric power plant and comprises a check valve body;

a preset opening is formed in the side face of the check valve body in a penetrating mode, and a closed check structure is arranged on the inner side of the check valve body; the assembly side frames are arranged on vertical surfaces of two sides of the check valve body; the stabilizing support is arranged at the bottom of the check valve body, a bearing bottom block is arranged at the top of the stabilizing support, and the bearing bottom block is borne between the check valve body and the stabilizing support.

Further, check valve body still includes:

the assembly loading cavity is arranged on the inner side of the check valve body; the closed supporting blocks are arranged at the two ends of the inner side of each closed supporting block; the limiting support blocks are arranged at two ends of the inner side of the closed support block; the water outlet screw cylinder is arranged on one side of the preset opening; and the discharging screw cylinder is arranged on one side of the preset opening.

Further, the closed check structure comprises:

the assembly loading groove is formed in the inner side of the check valve body; the rotating supporting bulges are arranged at the two ends of the inner side of the assembly loading groove; the return spring is sleeved on the inner side of the rotating support boss; the non-return block is rotatably arranged on the convex side surface of the rotating support; and the stable supporting block is arranged on one end side face of the non-return blocking block.

Further, the assembling side frame comprises:

the mounting screw groove is formed in the side face of the assembling side frame; a closed side protrusion mounted on a side surface of the closed side protrusion; the positioning screw block is arranged on the convex side surface of the closed side, and is arranged on the inner side of the installation screw groove; a holding side protrusion mounted on the other side of the closed side protrusion; the preset slot is arranged on the side surface of the holding side protrusion in a penetrating way.

Further, the stabilizing support comprises:

the assembly side grooves are formed in two sides of the stable support; the bearing side projection is arranged on the inner side of the assembling side groove; the bearing open slot penetrates through one end of the bearing side protrusion, and is simultaneously borne outside the water outlet screw cylinder and the discharge screw cylinder; the stabilizing side block is arranged on the side surface of the stabilizing support.

The utility model at least comprises the following beneficial effects:

1. the assembly side groove can be used for positioning and assembling the bearing side protrusion, the bearing side protrusion is matched with the bearing groove, the water outlet screw cylinder and the discharge screw cylinder can be stably supported, and therefore the stability of assembly and connection of the device is improved.

2. According to the utility model, the water outlet barrel and the discharge barrel are matched through the preset opening, the drain pipe can be in linkage butt joint, the rotary support boss is matched with the reset spring, two groups of non-return blocking blocks can be tightly pressed and assembled, meanwhile, the closed support block can carry out closed bearing on the non-return blocking blocks, so that the device can stably carry out water flow non-return, and the limiting support block can carry out limiting support on the rotary non-return blocking blocks, thereby further improving the discharge stability of the device.

Drawings

FIG. 1 is a schematic view of the overall front structure of the apparatus of the present invention;

FIG. 2 is a schematic view of the device of the present invention in its expanded front configuration;

FIG. 3 is a schematic view of the device of the present invention in an expanded bottom configuration;

FIG. 4 is a schematic view of the check valve body assembly of the present invention;

FIG. 5 is a schematic view of the stable mount assembly of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a check valve body;

101. assembling a loading cavity; 102. sealing the branch block; 103. limiting the supporting block; 104. presetting an opening; 105. a water outlet screw cylinder; 106. discharging the screw cylinder; 107. assembling a loading slot; 1071. rotating the branch convex; 1072. a return spring; 1073. a check block; 1074. stabilizing the branch block;

2. assembling the side frame;

201. installing a screw groove; 202. a closed lateral bulge; 203. positioning a screw block; 204. a grip-side protrusion; 205. presetting a slot;

3. stabilizing the support;

301. assembling a side groove; 302. a load bearing side projection; 303. carrying slotting; 304. a load-bearing bottom block; 305. and stabilizing the lateral mass.

Detailed Description

Embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "coaxial," "bottom," "one end," "top," "middle," "other end," "upper," "side," "top," "inner," "front," "center," "two ends," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing and simplifying the description, and are not intended to indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as fixed or detachable connections or integral parts; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

The embodiment is as follows:

as shown in figures 1 to 5:

the utility model provides a thread check valve suitable for a drainage pipe of a hydroelectric power plant, which comprises a check valve body 1;

a preset opening 104 is formed in the side face of the check valve body 1 in a penetrating mode, and a closed check structure is arranged on the inner side of the check valve body 1; the assembling side frames 2 are arranged on the vertical surfaces of the two sides of the check valve body 1; stabilize support 3, stabilize support 3 and set up in check valve body 1 bottom, stabilize the support 3 top simultaneously and install bearing bottom block 304, and bearing bottom block 304 bears between check valve body 1 and stable support 3.

As shown in fig. 2 and 5, the assembly side frame 2 includes:

the installation screw groove 201 is formed in the side face of the assembly side frame 2; a closed side protrusion 202, wherein the closed side protrusion 202 is mounted on the side surface of the closed side protrusion 202; the positioning screw block 203, the positioning screw block 203 is installed on the side surface of the closed side bulge 202, and the positioning screw block 203 is arranged on the inner side of the installation screw groove 201; a holding side projection 204, the holding side projection 204 is mounted on the other side of the closed side projection 202; the preset slot 205 is formed in the side surface of the holding side protrusion 204 in a penetrating manner; the stabilizing support 3 comprises: the assembling side grooves 301, the assembling side grooves 301 are arranged on two sides of the stabilizing support 3; a bearing side projection 302, wherein the bearing side projection 302 is arranged inside the assembling side groove 301; the bearing slot 303 is formed in one end of the bearing side protrusion 302 in a penetrating manner, and the bearing slot 303 is borne outside the water outlet screw cylinder 105 and the discharge screw cylinder 106; a stabilizing side block 305, wherein the stabilizing side block 305 is arranged on the side surface of the stabilizing support 3; can carry out positioning assembly to bearing side protrusion 302 through assembly side groove 301, and then bear side protrusion 302 cooperation and bear fluting 303, can stably bear a water screw section of thick bamboo 105 and a drainage screw section of thick bamboo 106, thereby improve device assembly connection's stability, stable support 3 cooperation is stabilized lateral mass 305 simultaneously, can protect bearing to check valve body 1, installation screw channel 201 cooperation location screw mass 203, can be mostly assemble sealing side protrusion 202, thereby be convenient for follow-up rotation to hold side protrusion 204 and dismantle sealing side protrusion 202, thereby be convenient for follow-up clear up fast.

As shown in fig. 1, 2 and 4, the check valve body 1 further includes:

the assembly loading cavity 101 is formed, and the assembly loading cavity 101 is arranged on the inner side of the check valve body 1; the closed supporting block 102, the closed supporting block 102 is installed at two ends of the inner side of the closed supporting block 102; the limiting support block 103, the limiting support block 103 is arranged at two ends of the inner side of the closed support block 102; the water outlet screw cylinder 105, and the water outlet screw cylinder 105 is arranged on one side of the preset opening 104; a discharge screw cylinder 106, wherein the discharge screw cylinder 106 is arranged at one side of the preset opening 104; the closed check structure comprises: an assembly loading groove 107, wherein the assembly loading groove 107 is arranged on the inner side of the check valve body 1; a rotation support protrusion 1071, the rotation support protrusion 1071 being installed at both ends of the inner side of the mounting groove 107; the return spring 1072, the return spring 1072 is set up and rotated the inboard of the boss 1071; the check block 1073 is rotatably mounted on the side surface of the rotating boss 1071; a stabilizing support block 1074, wherein the stabilizing support block 1074 is installed on the side surface of one end of the check block 1073; through predetermineeing opening 104 cooperation play water barrel 105 and discharge barrel 106, can carry out the linkage butt joint to the drain pipe, rotate a protruding 1071 cooperation reset spring 1072, can sticis the assembly to two sets of non return stop blocks 1073, seal simultaneously and prop up piece 102 and can seal the non return stop block 1073 and bear to make the device stably carry out the rivers non return, and spacing piece 103 can carry out spacing support to the non return stop block 1073 that rotates, further improve the discharge stability of device.

The specific use mode and function of the embodiment are as follows:

in the utility model, when in use, the bearing side convex 302 is positioned and assembled through the assembling side groove 301, the bearing side convex 302 is matched with the bearing groove 303 to stably bear the water outlet screw cylinder 105 and the discharge screw cylinder 106, the stabilizing support 3 is matched with the stabilizing side block 305 to protect and bear the check valve body 1, the mounting screw groove 201 is matched with the positioning screw block 203 to mostly assemble the closed side convex 202 so as to facilitate the subsequent rotation of the holding side convex 204 to disassemble the closed side convex 202 and facilitate the subsequent rapid cleaning, the preset opening 104 is matched with the water outlet screw cylinder 105 and the discharge screw cylinder 106 to carry out linkage butt joint on a drain pipe, the rotating support convex 1071 is matched with the reset spring 1072 to carry out compression assembly on two groups of check blocks 1073, and the closed support block 102 is used for carrying out closed bearing on the check block 1073 so as to ensure that the device stably carries out water flow check, and the limiting support block 103 is used for limiting and supporting the rotating check block 1073, further improving the discharge stability of the device.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. Screw thread check valve suitable for hydroelectric power plant drain pipe, its characterized in that: comprises a check valve body (1);

a preset opening (104) is formed in the side face of the check valve body (1) in a penetrating mode, and a closed check structure is arranged on the inner side of the check valve body (1); the assembling side frames (2), the assembling side frames (2) are installed on the vertical surfaces of the two sides of the check valve body (1); stabilize support (3), stabilize support (3) and set up in check valve body (1) bottom, stabilize support (3) top simultaneously and install bearing bottom block (304), and bearing bottom block (304) bear between check valve body (1) and stabilize support (3).

2. The threaded check valve for water power plant drains according to claim 1, characterized in that the check valve body (1) further comprises:

the assembly loading cavity (101), the assembly loading cavity (101) is arranged on the inner side of the check valve body (1); the closed supporting block (102), the closed supporting block (102) is arranged at two ends of the inner side of the closed supporting block (102); the limiting support block (103), the limiting support block (103) is arranged at two ends of the inner side of the closed support block (102); the water outlet screw cylinder (105), and the water outlet screw cylinder (105) is arranged on one side of the preset opening (104); and the discharge screw cylinder (106), wherein the discharge screw cylinder (106) is arranged on one side of the preset opening (104).

3. The threaded check valve for a hydroelectric power plant drain of claim 1, wherein said closed check structure comprises:

the assembly loading groove (107), the assembly loading groove (107) is opened at the inner side of the check valve body (1); a rotary lug (1071), the rotary lug (1071) is installed at two ends of the inner side of the assembly loading groove (107); the return spring (1072), the return spring (1072) is set up and rotated and supported the convex (1071) inboard; the check block (1073), the check block (1073) is installed on the side of the rotary support boss (1071) in a rotating way; stabilize a piece (1074), stabilize a piece (1074) and install in the non return and hinder piece (1073) one end side.

4. The threaded check valve for a hydroelectric power plant drain pipe as claimed in claim 1, wherein said assembly side frame (2) comprises:

the installation screw groove (201), the installation screw groove (201) is arranged on the side surface of the assembly side frame (2); a closed side protrusion (202), wherein the closed side protrusion (202) is installed on the side surface of the closed side protrusion (202); the positioning screw block (203), the positioning screw block (203) is arranged on the side surface of the closed side bulge (202), and the positioning screw block (203) is arranged on the inner side of the installation screw groove (201); a holding side protrusion (204), wherein the holding side protrusion (204) is arranged at the other side of the closed side protrusion (202); the preset slot (205) penetrates through the side surface of the holding side protrusion (204) and is arranged on the side surface of the holding side protrusion (204).

5. Threaded check valve for drains of hydroelectric power plants according to claim 1, characterized in that said stabilizer support (3) comprises:

the assembling side grooves (301), wherein the assembling side grooves (301) are formed in two sides of the stabilizing support (3); a bearing side protrusion (302), wherein the bearing side protrusion (302) is installed at the inner side of the assembling side groove (301); the bearing open slot (303), the bearing open slot (303) runs through one end of the bearing side bulge (302), and the bearing open slot (303) is borne outside the water outlet screw cylinder (105) and the discharge screw cylinder (106); and the stabilizing side block (305), and the stabilizing side block (305) is arranged on the side surface of the stabilizing support (3).