CN218564488U

CN218564488U - Liquid one-way valve

Info

Publication number: CN218564488U
Application number: CN202223169483.7U
Authority: CN
Inventors: 杨鹏翔
Original assignee: Qingdao Sipai Laini Energy Saving Environmental Protection Equipment Co ltd
Current assignee: Qingdao Sipai Laini Energy Saving Environmental Protection Equipment Co ltd
Priority date: 2022-11-29
Filing date: 2022-11-29
Publication date: 2023-03-03
Anticipated expiration: 2032-11-29

Abstract

The utility model relates to a check valve technical field for distributor, including vertical upper portion quick change body and the lower part quick change body that switches on, both inboard clamps are equipped with the check valve, and the check valve includes lid and shutoff piece, and the lid is equipped with first magnetic part additional, and the shutoff piece embeds there is second magnetic part, and just first magnetic part corresponds with second magnetic part axial, the technical advantage of the utility model is that: the automatic sealing device is provided with a group of magnetic parts, wherein one magnetic part is arranged on the cover body, and the other magnetic part is arranged in the sealing part, so that the magnetic parts can be effectively prevented from being contacted with corrosive liquid, and meanwhile, the automatic resetting of the sealing part can be realized; the plugging piece and the cover body are magnetically attracted in the axial direction, so that the magnetic attraction effect is more stable, and the resetting effect of the plugging piece is better; the utility model discloses a no spring check valve to the user demand under the different installation environment has greatly been satisfied to the tip interface that is equipped with different models, can dismantle fast by oneself.

Description

Liquid one-way valve

Technical Field

The patent of the utility model relates to a check valve technical field for the distributor, in particular to liquid check valve.

Background

The one-way valve is a structure which can only make the fluid flow along the direction of the liquid inlet, but the fluid can not 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.

Chinese patent with publication number CN217683416U discloses an exit one-way device for liquid, including upper portion quick-change body, barrel and lower part quick-change body, vertically between upper portion quick-change body and the lower part quick-change body be equipped with the lid, be formed with the feed liquor space between inboard and the lower part quick-change body of lid, and vertical slip has put the shutoff piece of taking magnetism in the feed liquor space, and the top position of lid outer peripheral face has magnetism, the technical advantage of the utility model is that: the magnet replaces a spring to reset the blocking piece, so that the durability of the check valve under corrosive liquid is improved; but this utility model well lid magnetism and the attraction between the shutoff piece magnetism be radial attraction, and the attraction direction has certain contained angle when the shutoff piece whereabouts, and then suction can receive the influence, influences the attraction effect when the shutoff piece resets.

The prior art scheme has the following defects: a spring structure is additionally arranged in the check valve plate, if corrosive liquid is conveyed, the spring is damaged, the check valve is damaged after long-term use, and the service life of the check valve is shortened; when different installation positions are replaced, the conventional one-way valve is limited by the caliber, and the sizes of interfaces of different models need to be customized or purchased, so that the conventional one-way valve is inconvenient, troublesome and labor-consuming.

SUMMERY OF THE UTILITY MODEL

The utility model provides a liquid check valve, shutoff piece and lid all have magnetism, and inhale for axial magnetism between the two, and magnetism between the two is inhaled the effect more stable, and the effect that resets of shutoff piece is better, and the concrete implementation mode is as follows:

the utility model provides a liquid check valve, includes the upper portion quick change body and the lower part quick change body of vertical conduction, and both inboard clamps are equipped with the check valve, and the check valve includes lid and shutoff piece, and the upper and lower both ends of lid butt respectively in the upper portion quick change body and the lower part quick change body, and the lid is inboard arranged in to the shutoff piece, and is portable for the lid, and the lid adds and is equipped with first magnetic part, and the shutoff piece embeds there is the second magnetic part, and first magnetic part corresponds with second magnetic part axial.

Furthermore, a second O-shaped ring is arranged at the joint of the upper quick-change body and the top of the cover body, and a first O-shaped ring is arranged at the joint of the lower quick-change body and the bottom of the cover body.

The section of the cover body is of an inverted Y-shaped structure, the plugging piece comprises an upper end cover and a lower end cover which are vertically clamped, a third O-shaped ring is arranged at the joint of the upper end cover and the lower end cover, a second magnetic piece is arranged in the upper end cover and the lower end cover,

furthermore, the first magnetic member may be a first magnetic ring, the second magnetic member may be a second magnetic ring, the first magnetic ring is sleeved outside the vertical section of the cover body, and the end face of the first magnetic ring axially corresponds to the end face of the second magnetic ring.

Furthermore, first magnetism spare also can be for the second magnetic column, and the second magnetism spare also can be for first magnetic column, and the inboard center department of the vertical section of lid is equipped with the mounting groove, and the mounting groove is the opening upwards, and its internally mounted has the second magnetic column, and the top of mounting groove is equipped with the closing plate, sets up the water conservancy diversion passageway of vertical switching on in the inboard edge of the vertical section of lid and the closing plate.

The lower part quick change body sets gradually straight section of thick bamboo, cylinder body and first joint down from last, and the three inboard switches on each other, and square groove has been seted up to straight section of thick bamboo outer peripheral face, and the bottom hoop of upper portion quick change body is equipped with the elasticity jack catch, and the top inboard of straight section of thick bamboo is equipped with spacing arch, elasticity jack catch and spacing protruding joint, and a plurality of arc wall has been seted up along circumference equidistance in the bottom of lower end cover, and the cylinder body bottom has set firmly a plurality of along the axial and erects the form arch.

Furthermore, the first joint is a vertical pipe joint or a right-angle joint.

Furthermore, a second joint is fixedly arranged above the body of the upper quick-change body, the second joint can be a pagoda joint, and a plurality of inclined protrusions are fixedly arranged on the outer peripheral surface of the top of the second joint.

Furthermore, a second joint is fixedly arranged above the body of the upper quick-change body, the second joint can also be an inner tooth joint, and the inner side of the peripheral surface of the second joint is provided with threads.

The utility model has the beneficial technical effects that:

1. the utility model is provided with a group of magnetic parts, one of which is arranged on the cover body, and the other one is arranged in the plugging part, thereby not only effectively preventing the magnetic parts from contacting with corrosive liquid, but also realizing the automatic reset of the plugging part;

2. in the utility model, the axial magnetic attraction is arranged between the blocking piece and the cover body, the magnetic attraction effect is more stable, and the resetting effect of the blocking piece is better;

3. the utility model discloses a no spring check valve to the tip interface that is equipped with different models, can dismantle fast by oneself has greatly satisfied the user demand under the different installation environment.

Drawings

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

fig. 2 is a schematic diagram of the explosion structure of the present invention;

FIG. 3 is a cross-sectional view of the structure of the present invention;

FIG. 4 is a schematic structural diagram of a first application of the quick-change body in the present invention;

FIG. 5 is a schematic structural view of a second application of the quick-change body according to the present invention;

fig. 6 is a schematic structural view of a third application of the quick-change body in the present invention;

FIG. 7 is a schematic structural view of a check valve according to the present invention;

fig. 8 is a schematic structural view of a second application of the check valve in the present invention.

Description of the reference numerals:

1. a first O-shaped ring, 2, a one-way valve, 3, an upper quick-change body, 4, a lower quick-change body,

201. a second O-shaped ring 202, a cover body 203, a plugging piece 204, a first magnetic ring 205, a second magnetic ring 206, a first magnetic column 207, a second magnetic column,

2021. a mounting groove 2022, a flow guide channel 2023 and a sealing plate,

2031. an upper end cover, 2032, a lower end cover, 2033, a third O-shaped ring, 2034 and an arc-shaped groove,

301. an elastic claw 302, an internal tooth joint 303, a pagoda joint,

401. the vertical cylinder comprises a vertical cylinder body 402, a cylinder body 403, a vertical protrusion 404, a vertical pipe joint 405 and a right-angle joint.

Detailed Description

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings and examples:

it should be noted that the structure, ratio, size and the like shown in the drawings of the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, and any modification of the structure, change of the ratio relationship or adjustment of the size should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the efficacy that the present invention can produce and the purpose that the present invention can achieve.

Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.

Embodiment 1, combine fig. 1 to 3, this embodiment discloses a liquid check valve, including vertical upper portion quick-change body 3 and the quick-change body 4 that switches on, both inboard press from both sides and be equipped with check valve 2, check valve 2 includes lid 202 and shutoff piece 203, the upper and lower both ends of lid 202 butt respectively in upper portion quick-change body 3 and quick-change body 4 in the lower part, shutoff piece 203 is arranged in the lid 202 inboard, and is portable for lid 202, lid 202 installs first magnetic part additional, shutoff piece 203 embeds there is the second magnetic part, and first magnetic part corresponds with the second magnetic part axial, through the principle that magnetism attracts mutually between two magnetic parts in this structure, make the check device keep the state of opening circuit when not admitting liquid, and can open vertically during the feed liquid.

A second O-shaped ring 201 is arranged at the joint of the upper quick-change body 3 and the top of the cover body 202, a first O-shaped ring 1 is arranged at the joint of the lower quick-change body 4 and the bottom of the cover body 202, and the first O-shaped ring 1 and the second O-shaped ring 201 play a role in sealing at the joint in the structure.

The cross-section of lid 202 is the Y type structure of inversion form, and shutoff piece 203 is equipped with third O type circle 2033 including the upper end cap 2031 and the lower extreme cap 2032 of vertical block, both junctions, and both internally mounted have the second magnetism spare, and third O type circle 2033 has played one-way sealed effect in this structure.

Lower part quick change body 4 sets gradually down to a straight section of thick bamboo 401, cylinder body 402 and first joint from last, and the three inboard switches on each other, and square groove has been seted up to a straight section of thick bamboo 401 outer peripheral face, and the bottom hoop of upper portion quick change body 3 is equipped with elastic claw 301, and the top inboard of a straight section of thick bamboo 401 is equipped with spacing arch, elastic claw 301 and spacing protruding joint, and upper portion quick change body 3 connects in lower part quick change body 4 with the form of joint in this structure, has made things convenient for the dismantlement in later stage to change.

A plurality of arc-shaped groove 2034 has been seted up along circumference equidistance in the bottom of lower end cover 2032, and cylinder body 402 bottom has set firmly a plurality of along the axial and erects protruding 403 of form, and the downward butt of shutoff piece 203 in the bottom of cylinder body 402 when erecting protruding 403 of form and arc-shaped groove 2034's design in this structure can effectively prevent the feed liquor, causes the condition of liquid outlet channel jam.

With reference to fig. 1 to 3, the specific operation process of the device is as follows:

when liquid is introduced, the liquid firstly passes through the upper quick-change body 3 and enters the cover body 202; at the moment, the liquid pressure is greater than the magnetic attraction, the plugging piece 203 moves downwards, the vertical protrusion 403 and the arc-shaped groove 2034 are mutually abutted, and the liquid is conducted in the device; and then passes downwards through the lower quick-change body 4.

When the liquid stops being introduced, the first magnetic member generates suction force on the second magnetic member, the blocking member 203 moves upward, the outer peripheral surface of the third O-ring 2033 is clamped with the inner side of the diameter-expanded section of the cover body 202, and the liquid passage is closed, so that the liquid cannot enter the lower quick-change body 4 downward.

Embodiment 2, with reference to fig. 7, and based on embodiment 1, this embodiment further discloses a liquid check valve, where the first magnetic member is a first magnetic ring 204, the second magnetic member is a second magnetic ring 205, the first magnetic ring 204 is sleeved outside the vertical section of the cover 202, and an end surface of the first magnetic ring 204 in the structure axially corresponds to an end surface of the second magnetic ring 205.

Embodiment 3, with reference to fig. 8, based on embodiment 1, this embodiment further discloses a liquid check valve, where the first magnetic member is a second magnetic pillar 207, the second magnetic member is a first magnetic pillar 206, and an end surface of the second magnetic pillar 207 in this structure axially corresponds to an end surface of the first magnetic pillar 206.

The inboard center department of the vertical section of lid 202 is equipped with mounting groove 2021, and mounting groove 2021 upwards opens, and its internally mounted has second magnetic column 207, and the top of mounting groove 2021 is equipped with closing plate 2023, offers the water conservancy diversion passageway 2022 of vertical switch-on in the inboard edge of the vertical section of lid 202 and on closing plate 2023 in this structure, under the prerequisite that does not influence the vertical circulation of liquid, makes second magnetic column 207 set firmly in the inside central position of lid 202.

Embodiment 4, with reference to fig. 4, and based on embodiment 1, this embodiment discloses a liquid check valve, where the first joint is a vertical pipe joint 404, a second joint is fixed above the body of the upper quick-change body 3, the second joint is a pagoda joint 303, and a plurality of inclined protrusions are fixed on the outer circumferential surface of the top of the second joint. The pagoda joint 303 in the structure is suitable for occasions using oil and water as media, and is convenient to assemble and disassemble and reliable in performance.

Embodiment 5, with reference to fig. 1 and fig. 2, based on embodiment 1, this embodiment further discloses a liquid check valve, the first connector is a vertical tube connector 404, a second connector is fixedly arranged above the body of the upper quick-change body 3, the second connector is an inner threaded connector 302, external threads are arranged on the outer side of the peripheral surface of the second connector, and the inner threaded connector 302 in this structure can be directly screwed with other external components.

Embodiment 6, with reference to fig. 5, and based on embodiment 1, this embodiment further discloses a liquid check valve, where the first connector is a right-angle connector 405, a second connector is fixed above the body of the upper quick-change body 3, the second connector is a pagoda connector 303, and a plurality of inclined protrusions are fixed on the outer circumferential surface of the top of the second connector.

Embodiment 7, with reference to fig. 6, based on embodiment 1, this embodiment further discloses a liquid check valve, where the first connector is a right-angle connector 405, a second connector is fixed above the body of the upper quick-change body 3, the second connector is an inner thread connector 302, and threads are arranged on an inner side of a circumferential surface of the second connector. The bottom of the right-angle connector 405 in the structure is closed, and the side edge is led out radially outwards to form a side pipe which can change the leading-out direction of liquid.

Many other changes and modifications can be made without departing from the spirit and scope of the invention. It is to be understood that the invention is not to be limited to the specific embodiments, and that the scope of the invention is defined by the appended claims.

Claims

1. A liquid check valve comprises an upper quick-change body (3) and a lower quick-change body (4) which are vertically communicated, and a check valve (2) is clamped between the inner sides of the upper quick-change body and the lower quick-change body,

the one-way valve (2) comprises a cover body (202) and a blocking piece (203), wherein the upper end and the lower end of the cover body (202) are respectively abutted against the upper quick-change body (3) and the lower quick-change body (4), the blocking piece (203) is arranged on the inner side of the cover body (202) and can move relative to the cover body (202),

the cover body (202) is additionally provided with a first magnetic part, a second magnetic part is arranged in the plugging part (203), and the first magnetic part corresponds to the second magnetic part in the axial direction.

2. The liquid check valve according to claim 1, characterized in that a second O-ring (201) is provided at the junction of the upper quick-change body (3) and the top of the cover body (202), and a first O-ring (1) is provided at the junction of the lower quick-change body (4) and the bottom of the cover body (202).

3. The liquid check valve according to claim 2, wherein the cover body (202) has an inverted Y-shaped cross section, the blocking member (203) comprises an upper end cover (2031) and a lower end cover (2032) which are vertically engaged with each other, a third O-ring (2033) is disposed at a joint of the upper end cover and the lower end cover, and the second magnetic member is mounted inside the third O-ring and the lower end cover.

4. A liquid check valve as claimed in claim 3, characterized in that said first magnetic member is a first magnetic ring (204) and said second magnetic member is a second magnetic ring (205),

the first magnetic ring (204) is sleeved on the outer side of the vertical section of the cover body (202), and the end face of the first magnetic ring (204) axially corresponds to the end face of the second magnetic ring (205).

5. A liquid check valve according to claim 3, characterized in that the first magnetic member is a second magnetic pillar (207), the second magnetic member is a first magnetic pillar (206), an end face of the second magnetic pillar (207) axially corresponds to an end face of the first magnetic pillar (206),

a mounting groove (2021) is arranged at the center of the inner side of the vertical section of the cover body (202), the mounting groove (2021) is opened upwards, a second magnetic column (207) is mounted in the mounting groove (2021), a sealing plate (2023) is arranged at the top end of the mounting groove (2021),

a vertically communicated flow guide channel (2022) is formed at the inner side edge of the vertical section of the cover body (202) and the sealing plate (2023).

6. The liquid check valve according to claim 3, wherein the lower quick-change body (4) is sequentially provided with a straight cylinder (401), a cylinder body (402) and a first joint from top to bottom, the inner sides of the straight cylinder (401), the cylinder body (402) and the first joint are communicated with each other, a square groove is formed on the outer peripheral surface of the straight cylinder (401),

the bottom hoop of upper portion quick change body (3) is equipped with elasticity jack catch (301), the top inboard of straight section of thick bamboo (401) is equipped with spacing arch, elasticity jack catch (301) and spacing protruding joint.

7. The liquid check valve according to claim 6, wherein a plurality of arc-shaped grooves (2034) are formed in the bottom of the lower end cap (2032) at equal intervals along the circumferential direction, and a plurality of vertical protrusions (403) are fixedly arranged at the bottom of the cylinder (402) along the axial direction.

8. A liquid check valve according to claim 6, wherein said first connection is a standpipe connection (404) or a right angle connection (405).

9. The liquid check valve according to claim 2, characterized in that a second joint is fixedly arranged above the body of the upper quick-change body (3), the second joint is a pagoda joint (303), and a plurality of inclined protrusions are fixedly arranged on the outer peripheral surface of the top of the second joint.

10. A liquid non-return valve according to claim 2, characterised in that the upper quick-change body (3) has a second coupling fixed above its body, said second coupling being an internal thread coupling (302) provided with a thread on the inside of its peripheral surface.