CN217736373U

CN217736373U - Elastic structure of valve core of spherical one-way valve

Info

Publication number: CN217736373U
Application number: CN202222057870.5U
Authority: CN
Inventors: 陈永辉; 孙晓琳; 王海威; 孙绍康
Original assignee: Luoyang Ounuo Machinery Co ltd
Current assignee: Luoyang Ounuo Machinery Co ltd
Priority date: 2022-08-05
Filing date: 2022-08-05
Publication date: 2022-11-04
Anticipated expiration: 2032-08-05

Abstract

The utility model discloses a spherical check valve core elastic construction, including the valve body, valve body both ends intercommunication has the connecting pipe, and valve body and connecting pipe inner wall have seted up the through-hole, and valve body inner wall fixedly connected with connecting sleeve, and the connecting sleeve inner wall alternates there is the second spring, and second spring other end fixedly connected with connecting rod, its connecting rod other end fixedly connected with seal ball, and the seal ball inner wall has seted up the drain hole, through-hole inner wall fixedly connected with seal groove, and the shape phase-match of the shape of seal groove and seal ball outer wall. This spherical check valve case elastic construction's valve body is connected with connecting tube, second spring and the connecting rod that the four corners rectangle distributes to it and closed ball fixed connection, thereby make the closed ball when flexible, can support through the four corners, avoid taking place the skew, and the through-hole structure of closed ball is the bifurcation structure, and with closed groove position phase-match, makes like this that needs sealed scope is littleer, and sealed effect is better, uses more stably.

Description

Spherical check valve core elastic structure

Technical Field

The utility model relates to a spherical check valve technical field specifically is a spherical check valve case elastic construction.

Background

The check valve is commonly called as a check valve, fluid can only flow along the water inlet, and the medium at the water outlet cannot flow back. Check valves are also known as check valves or check valves. For use in hydraulic systems to prevent reverse flow of oil flow, or in pneumatic systems to prevent reverse flow of compressed air. The one-way valve has a straight-through type and a right-angle type. The straight-through one-way valve is installed on the pipeline by threaded connection. The right-angle check valve has three forms of threaded connection, plate connection and flange connection, and the hydraulic control check valve is also called a locking valve or a pressure retaining valve and is the same as the check valve and used for preventing oil from reversely flowing. However, when reverse flow of oil flow is required in the hydraulic circuit, the control oil pressure can be used to open the check valve to allow flow in both directions. The hydraulic control one-way valve adopts a conical valve core, so that the sealing performance is good. When the oil circuit is required to be sealed, the valve can be used as one-way locking of the oil circuit to play a pressure maintaining role. The hydraulic control one-way valve controls oil leakage modes, namely an internal leakage mode and an external leakage mode. The internal leakage type oil way can be used in the oil flow reversal outlet without back pressure; otherwise, an external bleed is required to reduce the pilot oil pressure.

The prior art discloses technical scheme CN201921623313.7 spherical check valve, simple structure, excellent in use effect, the spare part disk seat's of check valve life is longer, but has the weak point, the device's elastic construction is whole spring, and when using for a long time like this, causes flexible skew easily, causes to reveal, and sealed effect is not good to need a spherical check valve case elastic construction to solve foretell problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a spherical check valve case elastic construction to when the spring of the prior art scheme who mentions among the solution above-mentioned background art is used for a long time, cause flexible skew easily, cause and reveal, the not good problem of sealed effect.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a spherical check valve core elastic construction, includes the valve body, valve body both ends intercommunication has the connecting pipe, and valve body and connecting pipe inner wall have seted up the through-hole, valve body inner wall fixedly connected with connecting tube, and the connecting tube inner wall alternates there is the second spring, second spring other end fixedly connected with connecting rod, its connecting rod other end fixedly connected with seals the ball, and seals the ball inner wall and has seted up the drain hole, through-hole inner wall fixedly connected with seal groove, and the shape phase-match of the shape of seal groove and seal ball outer wall.

Preferably, the valve body is of a segmented structure, a spiral mounting groove is formed in the edge of one side of the valve body, a spiral mounting block is fixedly connected to the edge of the other side of the valve body, and the valve body is connected in a spiral splicing mode in the spiral mounting groove through the spiral mounting block.

Preferably, the clamp splice is installed to the valve body lower extreme, and the clamp splice is the splint structure, and locking knob is installed to clamp splice one side, installs rotatory piece on its clamp splice, and the rotatory piece other end is connected with the valve body, and the valve body is swivelling joint through rotatory piece and clamp splice.

Preferably, the winding of connecting pipe outer wall has sealed piece, and the connecting pipe outer wall registrates has connecting sleeve, connecting sleeve is sealed the installation of closing of inserting through sealed piece and connecting pipe, and connecting sleeve one side edge has seted up the concatenation slot, concatenation slot inner wall is inserted and is closed and install the concatenation inserted block, and the concatenation inserted block other end and valve body edge fixed connection, the first spring of concatenation inserted block upper end inner wall fixedly connected with, and first spring upper end elastic connection has the locking lug, the concatenation inserted block is lock locking installation through locking lug and concatenation slot.

Preferably, the liquid guide hole is in a Y-shaped through hole structure on the inner wall of the closed ball, the position of an opening at one end of the liquid guide hole is matched with the position of the closed groove, and the opening position at the other end of the liquid guide hole and the through hole are distributed in a linear position.

Preferably, the connecting rods and the connecting sleeves are of a cross structure, the connecting rods and the connecting sleeves are distributed on the inner wall of the through hole in four groups of rectangular positions, and the closed balls are elastically and telescopically connected with the through hole in the connecting sleeves through the connecting rods.

Compared with the prior art, the beneficial effects of the utility model are that: this spherical check valve case elastic construction's valve body is connected with adapter sleeve, second spring and the connecting rod that the four corners rectangle distributes to it and closed ball fixed connection, thereby make the closed ball when flexible, can support through the four corners, avoid taking place the skew, and the through-hole structure of closed ball is the bifurcation structure, and with closed groove position phase-match, make like this that needs sealed scope is littleer, sealed effect is better, uses more stably.

Drawings

FIG. 1 is a front view of the elastic structure of a valve core of a spherical check valve according to the present invention;

FIG. 2 is a sectional view of the elastic structure of the valve core of the spherical check valve of the present invention;

FIG. 3 is an enlarged view of the position A in the elastic structure diagram 2 of the spherical check valve core of the present invention;

fig. 4 is an enlarged view of the position B in the elastic structure diagram 2 of the valve core of the spherical check valve of the present invention;

fig. 5 is an enlarged view of the position C in the elastic structure diagram 2 of the spherical check valve core of the present invention;

figure 6 is the utility model discloses a D department's enlargements in spherical check valve case elasticity structure chart 2.

In the figure: 1. the valve body, 2, a connecting pipe, 3, a clamping block, 4, a locking knob, 5, a first connecting sleeve, 6, a through hole, 7, a liquid guide hole, 8, a sealing ball, 9, a rotating block, 10, a splicing slot, 11, a locking lug, 12, a first spring, 13, a splicing slot, 14, a sealing block, 15, a spiral mounting block, 16, a spiral mounting groove, 17, a connecting rod, 18, a connecting sleeve, 19, a second spring, 20 and a sealing groove.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a valve core elastic structure of a spherical one-way valve comprises a valve body 1, a connecting pipe 2, a clamping block 3, a locking knob 4, a first connecting sleeve 5, a through hole 6, a liquid guide hole 7, a sealing ball 8, a rotating block 9, a splicing slot 10, a locking lug 11, a first spring 12, a splicing insertion block 13, a sealing block 14, a spiral mounting block 15, a spiral mounting groove 16, a connecting rod 17, a second connecting sleeve 18, a second spring 19 and a sealing groove 20, wherein two ends of the valve body 1 are communicated with the connecting pipe 2, the through holes 6 are formed in the inner walls of the valve body 1 and the connecting pipe 2, the valve body 1 is of a segmented structure, the spiral mounting groove 16 is formed in one side edge of the valve body 1, the spiral mounting block 15 is fixedly connected to the other side edge of the valve body 1, and the valve body 1 is connected in the spiral mounting groove 16 in a spiral splicing manner through the spiral mounting block 15, so that the valve body 1 can be spirally assembled and disassembled, and internal parts can be conveniently replaced, the lower end of the valve body 1 is provided with a clamping block 3, the clamping block 3 is of a clamping plate structure, one side of the clamping block 3 is provided with a locking knob 4, the clamping block 3 is provided with a rotating block 9, the other end of the rotating block 9 is connected with the valve body 1, the valve body 1 is rotatably connected with the clamping block 3 through the rotating block 9, so that the valve body 1 can be conveniently clamped and fixed with other equipment and can be conveniently rotated and adjusted in direction, the use is more convenient, the outer wall of the connecting pipe 2 is wound with a sealing block 14, the outer wall of the connecting pipe 2 is sleeved with a first connecting sleeve 5, the first connecting sleeve 5 is hermetically inserted and installed with the connecting pipe 2 through the sealing block 14, one side edge of the first connecting sleeve 5 is provided with a splicing slot 10, the inner wall of the splicing slot 10 is inserted and installed with a splicing insertion block 13, the other end of the splicing insertion block 13 is fixedly connected with the edge of the valve body 1, the inner wall of the upper end of the splicing insertion block 13 is fixedly connected with a first spring 12, and the upper end of the first spring 12 is elastically connected with a locking lug 11, the splicing insertion block 13 is buckled and locked with the splicing insertion slot 10 through the locking lug 11, so that the connecting pipe 2 and the first connecting sleeve 5 are fixedly spliced and installed in a sealing manner, the assembly and disassembly are more convenient, the inner wall of the valve body 1 is fixedly connected with a second connecting sleeve 18, a second spring 19 is inserted into the inner wall of the second connecting sleeve 18, the other end of the second spring 19 is fixedly connected with a connecting rod 17, the other end of the connecting rod 17 is fixedly connected with a sealing ball 8, a liquid guide hole 7 is formed in the inner wall of the sealing ball 8, the liquid guide hole 7 is of a Y-shaped through hole structure on the inner wall of the sealing ball 8, the opening position of one end of the liquid guide hole 7 is matched with the position of the sealing groove 20, the opening position of the other end of the liquid guide hole 7 is linearly distributed with the through hole 6, so that the liquid guide hole 7 is convenient to conduct quick liquid guide and quick sealing, the sealing range is smaller, the use is more stable, the connecting rod 17 and the second connecting sleeve 18 are of a cross-shaped structure, the connecting rod 17 and the connecting sleeve 18 are flexibly and the sealing ball is more stably connected with the sealing groove 20, and the inner wall of the sealing groove is connected with the sealing groove 8.

The working principle is as follows: when the elastic structure of the valve core of the spherical one-way valve is used, firstly, the valve body 1 of the device is sleeved and installed with the connecting sleeve 5 through the connecting pipe 2, then, the splicing and inserting block 13 and the splicing and inserting slot 10 are inserted and limited and installed, the locking lug 11 is driven to bounce through the first spring 12 to form buckling and fixing, sealing connection is carried out through the sealing block 14, then, the valve body 1 is locked and fixed through the clamping block 3 and the locking knob 4, the direction can be adjusted through rotation of the rotating block 9 when the locking directions are different, then, liquid can be infused through the through hole 6, after pressure is formed, the sealing ball 8 can be pushed to one side and is contracted through the connecting rod 17, the second connecting sleeve 18 and the second spring 19, the liquid guide hole 7 in the inner wall of the sealing ball 8 is opened, liquid is introduced through the liquid guide hole 7, when the pressure is relieved, the sealing ball 8 can rebound to enable the sealing ball to seal the liquid guide hole 7 through the sealing groove 20 to form a sealing structure, when the inner wall of the valve body 1 needs to be maintained, the elastic structure of the spherical one-way valve can be replaced through the spiral installation block 15 and the spiral installation groove 16, and the elastic structure can be used in the maintenance process of the one-way valve.

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 or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a spherical check valve case elastic construction, includes valve body (1), valve body (1) both ends intercommunication has connecting pipe (2), and through-hole (6), its characterized in that have been seted up to valve body (1) and connecting pipe (2) inner wall: valve body (1) inner wall fixedly connected with second connecting sleeve (18), and second connecting sleeve (18) inner wall alternates there is second spring (19), second spring (19) other end fixedly connected with connecting rod (17), its connecting rod (17) other end fixedly connected with closing ball (8), and closing ball (8) inner wall has seted up drain hole (7), through-hole (6) inner wall fixedly connected with closing groove (20), and the shape of closing groove (20) and the shape phase-match of closing ball (8) outer wall.

2. The spherical check valve spool elastic structure according to claim 1, wherein: valve body (1) is the segmentation structure, and valve body (1) one side edge has seted up spiral mounting groove (16), valve body (1) opposite side edge fixedly connected with spiral installation piece (15), and be spiral concatenation connection in spiral mounting groove (16) through spiral installation piece (15) between valve body (1).

3. The elastic structure of the valve core of the spherical check valve according to claim 2, wherein: clamp splice (3) are installed to valve body (1) lower extreme, and clamp splice (3) are the splint structure, locking knob (4) are installed to clamp splice (3) one side, install rotatory piece (9) on its clamp splice (3), and the rotatory piece (9) other end is connected with valve body (1), valve body (1) is swivelling joint through rotatory piece (9) and clamp splice (3).

4. The spherical check valve spool elastic structure according to claim 3, wherein: connecting pipe (2) outer wall winding has sealed piece (14), and connecting pipe (2) outer wall registrates and has first adapter sleeve (5), first adapter sleeve (5) are sealed the installation of inserting through sealed piece (14) and connecting pipe (2), and first adapter sleeve (5) one side edge has seted up concatenation slot (10), concatenation slot (10) inner wall is inserted and is closed and install concatenation inserted block (13), and concatenation inserted block (13) other end and valve body (1) edge fixed connection, concatenation inserted block (13) upper end inner wall fixedly connected with first spring (12), and first spring (12) upper end elastic connection has locking lug (11), concatenation inserted block (13) are lock locking installation through locking lug (11) and concatenation slot (10).

5. The elastic structure of the valve core of the spherical check valve according to claim 4, wherein: the liquid guide hole (7) is of a Y-shaped through hole structure on the inner wall of the sealing ball (8), the position of an opening at one end of the liquid guide hole (7) is matched with the position of the sealing groove (20), and the opening position at the other end of the liquid guide hole (7) and the through hole (6) are distributed in a straight line position.

6. The spherical check valve spool elastic structure according to claim 5, wherein: connecting rod (17) and second connecting sleeve (18) are cross structure, and connecting rod (17) and second connecting sleeve (18) are four groups of rectangle positions in through-hole (6) inner wall and distribute, closed ball (8) are elasticity telescopic connection through connecting rod (17) and through-hole (6) in second connecting sleeve (18).