CN218377834U - Split type multi-sealing type high-pressure one-way valve - Google Patents

Abstract

The utility model provides a split type many sealed forms high pressure check valve relates to check valve technical field, which comprises a valve body, the one end cover of valve body is equipped with preceding valve barrel, and the junction cover of preceding valve barrel and valve body is equipped with the sealing washer, the through-hole groove has been seted up to the symmetry on the outer wall of valve body, and the through-hole inslot card with install filter mechanism, the other end cover of valve body is equipped with back valve barrel, the case is installed to the valve body interpolation, and the one end of valve barrel is equipped with fluid passage before the case is located, filter mechanism includes the cover barrel seat, the filter sleeve net is installed at the top of cover barrel seat, and the surface symmetry of cover barrel seat has seted up L type draw-in groove, this kind of check valve overall design is novel, simple structure is worth extensively using widely.

Description

Split type multi-sealing type high-pressure one-way valve

Technical Field

The utility model belongs to the technical field of the check valve, more specifically say, in particular to split type many sealed forms high pressure check valve.

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 preventing reverse flow of oil in hydraulic systems or for preventing reverse flow of compressed air in pneumatic systems. 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.

Based on the above, the present inventors found that the following problems exist: the sealing performance of the conventional check valve is continuously deteriorated along with the increase of the use times of opening and closing of the check valve, so that the sealing performance of the check valve is deteriorated.

Therefore, in view of this, research and improvement are performed on the existing structure and defects, and a split type multi-seal high-pressure check valve is provided, so as to achieve the purpose of having more practical value.

SUMMERY OF THE UTILITY MODEL

The utility model discloses split type many sealed form high pressure check valve's purpose and efficiency are reached by following concrete technical means:

split type many sealed forms high pressure check valve, including the valve body, the one end cover of valve body is equipped with preceding valve barrel, just the junction cover of preceding valve barrel and valve body is equipped with the sealing washer, the through-hole groove has been seted up to the symmetry on the outer wall of valve body, just through-hole inslot card is with install filtering mechanism, the other end cover of valve body is equipped with back valve barrel, insert in the valve body and establish and install the case, just the one end that the case is located preceding valve barrel is equipped with fluid passage.

Furthermore, filtering mechanism includes the cover barrel seat, the filter sleeve net is installed at the top of cover barrel seat, just L type draw-in groove has been seted up to the surface symmetry of cover barrel seat.

Furthermore, the inner wall of the through hole groove is symmetrically provided with fixing blocks, and the width of each fixing block is matched with the L-shaped clamping groove.

Furthermore, an assembly groove is formed in the outer wall of the front valve sleeve, and the width of the assembly groove is 2-3 mm.

Furthermore, the front valve sleeve and the rear valve sleeve are made of rubber materials, and the front valve sleeve and the rear valve sleeve are made of polyethylene materials.

Further, the valve body is made of metal materials, and the valve body is made of nickel-cobalt alloy.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses, this valve structure's characteristics are that, the check valve is sealed effectual, nevertheless can not be used in quick response's occasion, is fit for the static occasion of closing the pressurize. The sealing part has two kinds of sealing: 1. the conical surface line seal is a first seal after the one-way valve is closed; 2. the sealing ring is sealed, when the line seal fails or a small amount of leakage exists, the sealing ring at the guide position can block the leakage, the second sealing is realized, and the sealing ring is arranged on the guide matching surface, so that the gap between the guide matching surface is very small, and the sealing effect at the sealing ring is very good. The valve is suitable for being used when the logic loop is changed into a static state from a dynamic state, and meanwhile, the valve can effectively filter the magazines remained in the liquid through the setting of the filtering mechanism, so that the quality of the liquid flowing out of the one-way valve is improved.

Drawings

Fig. 1 is a three-dimensional schematic view of the split multi-seal high-pressure check valve of the present invention.

Fig. 2 is the schematic view of the plane structure of the split multi-seal high-pressure check valve of the present invention.

Fig. 3 is the structure schematic diagram of the split type multi-sealing high-pressure one-way valve filtering sleeve net and the sleeve seat of the present invention.

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

1. a rear valve sleeve; 2. a through-hole slot; 3. a seal ring; 4. a front valve housing; 5. a valve core; 6. filtering the sleeve net; 7. assembling the groove; 8. a valve body; 9. a fixed block; 601. a sleeve seat; 602. an L-shaped clamping groove.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not 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 present invention. 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 is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 3:

the utility model provides a split type many sealed forms high pressure check valve, including valve body 8, valve barrel 4 before the one end cover of valve body 8 is equipped with, just preceding valve barrel 4 is equipped with sealing washer 3 with the junction cover of valve body 8, through-hole groove 2 has been seted up to the symmetry on valve body 8's the outer wall, just 2 inside callipers of through-hole groove are with install filtering mechanism, valve body 8's other end cover is equipped with back valve barrel 1, 8 interpolations of valve body are established and are installed case 5, just the one end that case 5 is located preceding valve barrel 4 is equipped with fluid passage.

The filtering mechanism comprises a sleeve seat 601, a filtering sleeve net 6 is installed at the top of the sleeve seat 601, and L-shaped clamping grooves 602 are symmetrically formed in the surface of the sleeve seat 601.

Wherein, fixed block 9 is installed to the symmetry on the inner wall of through-hole groove 2, just the width and the L type draw-in groove 602 of fixed block 9 pair each other, use through-hole groove 2 and the cooperation of fixed block 9, can with the firm card of filter equipment and in the inside of through-hole groove 2 to can rotate under the condition of not using and take out, very big improvement convenience.

An assembly groove 7 is formed in the outer wall of the front valve sleeve 4, and the width of the assembly groove 7 is 2-3 mm.

Wherein, preceding valve barrel 4 is the rubber material with back valve barrel 1, just preceding valve barrel 4 is the polyethylene material with back valve barrel 1, sets for through the polyethylene material, valve barrel 4 and back valve barrel 1's before can very big increase life.

Wherein, the valve body 8 is the metal material, just the valve body 8 constitutes for the nickel cobalt alloy, can increase the bulk strength of this valve through the nickel cobalt alloy, makes this valve can the application in the environment of difference.

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

the utility model discloses, when using this kind of high-pressure check valve, check the holistic integrality of check valve earlier, will be preceding valve barrel 4 after confirming without mistakes through assembly groove 7 card and install on the pipe, according to actual required requirement open and close the check valve can, the characteristics of this valve structure of the same reason are that the check valve is sealed effectual, but can not be used in the occasion of quick response, is fit for the static occasion of closing the pressurize. The sealing part has two seals: 1. the conical surface line seal is a first seal after the one-way valve is closed; 2. the sealing ring is sealed, when the line seal fails or a small amount of leakage exists, the sealing ring at the guide position can block the leakage, the second sealing is realized, and the sealing ring is arranged on the guide matching surface, so that the gap between the guide matching surface is very small, and the sealing effect at the sealing ring is very good. The valve is suitable for use in logic circuits as a dynamic to static valve.

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 invention 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 invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims (6)

1. Split type many sealed forms high pressure check valve, including valve body (8), its characterized in that: valve barrel (4) before the one end cover of valve body (8) is equipped with, just preceding valve barrel (4) is equipped with sealing washer (3) with the junction cover of valve body (8), through-hole groove (2) have been seted up to the symmetry on the outer wall of valve body (8), just through-hole groove (2) inside callipers with install filtering mechanism, the other end cover of valve body (8) is equipped with back valve barrel (1), valve body (8) interpolation is established and is installed case (5), just the one end that case (5) are located preceding valve barrel (4) is equipped with fluid passage.

2. The split multi-seal type high pressure check valve of claim 1, wherein: the filter mechanism comprises a sleeve seat (601), a filter sleeve net (6) is installed at the top of the sleeve seat (601), and L-shaped clamping grooves (602) are symmetrically formed in the surface of the sleeve seat (601).

3. The split multi-seal form high pressure check valve of claim 2, wherein: fixed blocks (9) are symmetrically installed on the inner wall of the through hole groove (2), and the width of each fixed block (9) is matched with the L-shaped clamping groove (602).

4. The split multi-seal type high-pressure check valve of claim 1, wherein: an assembly groove (7) is formed in the outer wall of the front valve sleeve (4), and the width of the assembly groove (7) is 2-3 mm.

5. The split multi-seal type high-pressure check valve of claim 1, wherein: preceding valve barrel (4) and back valve barrel (1) are the rubber material, just preceding valve barrel (4) and back valve barrel (1) are the polyethylene material.

6. The split multi-seal type high-pressure check valve of claim 1, wherein: the valve body (8) is made of metal materials, and the valve body (8) is made of nickel-cobalt alloy.

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