CN211667204U

CN211667204U - Loose joint vertical check valve

Info

Publication number: CN211667204U
Application number: CN202020098963.0U
Authority: CN
Inventors: 陈颖惠
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-01-16
Filing date: 2020-01-16
Publication date: 2020-10-13
Anticipated expiration: 2030-01-16

Abstract

The utility model provides a loose joint vertical check valve, including swivel nut, oral siphon, outlet pipe and check valve subassembly, the oral siphon and the outlet pipe are cup jointed to the swivel nut is inside, and the check valve subassembly is cup jointed to the outlet pipe is inside, and the check valve subassembly includes the check valve and fits a contraceptive ring, check valve lower cover, pin and torsional spring, and the check valve is installed on the check valve lower cover and is fitted a contraceptive ring, and the check valve is fitted a contraceptive ring and is linked firmly through the pin with check valve lower cover one side, and the pin. A loose joint vertical check valve solve most check valve on the existing market and be integral type structural design, inner structure is comparatively complicated, dismantle, change the step comparatively loaded down with trivial details, in case sealed pad or torsional spring ageing check valve that just can only change new in addition, cause the problem of the waste of certain degree, so a non return that needs flows effectual, the dismouting is simple and convenient, part is removable and simple structure's check valve, can effectually avoid the wasting of resources, improvement product life.

Description

Loose joint vertical check valve

Technical Field

The utility model belongs to the technical field of the valve, especially, relate to a loose joint vertical check valve.

Background

The check valve is a valve which automatically opens and closes a valve flap by the flow of a medium and is used for preventing the medium from flowing backwards, and is also called a check valve, a one-way valve, a reverse flow valve and a back pressure valve. The check valve is an automatic valve and mainly used for preventing medium from flowing backwards, preventing the pump and a driving motor from reversing and discharging container medium.

Check valve on the market is mostly integral type structural design, and inner structure is comparatively complicated, dismantles, changes the step comparatively loaded down with trivial details, in case sealed pad or torsional spring ageing check valve that just can only change the renewal moreover, causes the waste of certain degree, so needs a check valve that the non return flows effectually, the dismouting is simple and convenient, the part is removable and simple structure.

Disclosure of Invention

In view of this, the utility model aims at providing a loose joint vertical check valve to realize that a non return flows effectual, the dismouting is simple and convenient, the part is removable and simple structure's check valve, can effectually avoid the wasting of resources, improves product life's valve product.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

the utility model provides a loose joint vertical check valve, includes the swivel nut, the oral siphon, outlet pipe and check valve subassembly, the oral siphon and outlet pipe are cup jointed respectively to the inside both ends of swivel nut, and the check valve subassembly is cup jointed to the outlet pipe inside, and the check valve subassembly includes check valve lower cover, pin and torsional spring, and the check valve is installed on the check valve lower cover and is fitted with a contraceptive ring, and the check valve is fitted with a contraceptive ring and is linked firmly through the pin with check valve lower cover one side, and the pin periphery sets up the torsional spring, and the check valve.

Further, the threaded sleeve comprises a threaded sleeve boss and a threaded sleeve thread, the threaded sleeve thread is arranged on the inner wall of one side of the threaded sleeve, and the threaded sleeve boss is formed by the protrusion of the inner wall of the threaded sleeve on the right side of the threaded sleeve thread;

an integrated annular boss is arranged on one side of the periphery of the water inlet pipe, and the water inlet pipe is sleeved inside the threaded sleeve through the water inlet pipe boss and the threaded sleeve boss.

Further, the outlet pipe includes outlet pipe screw thread, outlet pipe boss and outlet pipe rubber circle, and outlet pipe one side outer wall is provided with the outlet pipe screw thread, and the outlet pipe inner wall that corresponds with outlet pipe screw thread outer wall is provided with the outlet pipe boss of integrative annular structure, and outlet pipe rubber circle is installed to outlet pipe boss one side, and the outlet pipe cup joints with the swivel nut screw thread through the outlet pipe screw thread. When the water outlet pipe is sleeved with the threaded sleeve, the water inlet pipe is also pressed, the rubber ring of the water outlet pipe is contacted with one side of the boss of the water inlet pipe and compacted to seal, and water leakage at the joint of the water outlet pipe and the water inlet pipe is prevented.

Further, the check valve is fitted with a contraceptive ring and is included fitting with a contraceptive ring boss, fitting with a contraceptive ring rubber circle, fitting with a contraceptive ring support and seal platform, check valve one end sets up the seal platform, check valve outer wall one side sets up the boss of fitting with a contraceptive ring, the rubber circle of fitting with a contraceptive ring of a side-mounting of the boss of fitting with a contraceptive ring, check valve outer wall opposite side sets up two supports of fitting with a contraceptive ring, set up the support through-hole on the support of fitting with a contraceptive ring, support through-hole diameter is 1mm, the pin cup joints enclosing in the support through-hole and realizes linking firmly of pin.

Furthermore, the angle between the sealing platform and the upper ring boss is A, and A is more than or equal to 0 degrees and less than 90 degrees.

Furthermore, the check valve lower cover comprises a check valve lower cover shell and a check valve lower cover gasket, and the check valve lower cover gasket is sleeved on one side of the check valve lower cover shell;

the lower cover shell of the check valve comprises a lower cover shell body, a lower cover boss, a lower cover through hole and a lower cover support, wherein the lower cover support is positioned on one side of the lower cover shell of the check valve, a positioning hole is formed in the lower cover support, the diameter of the positioning hole is 1mm, a pin is sleeved on the inner periphery of the positioning hole to realize that the pin is fixedly connected with the lower cover of the check valve, the lower cover shell body is of a groove structure, and the lower cover through hole and the lower cover boss are arranged in a cross shape in the lower cover shell body;

the check valve lower cover pad is provided with rubber pad boss and rubber pad through-hole, the boss of check valve lower cover pad one side forms the rubber pad boss, the through-hole of check valve lower cover pad one side forms the rubber pad through-hole, rubber pad boss and rubber pad through-hole lie in check valve lower cover pad with one side and cross arrangement, the check valve lower cover pad cup joints in the lower cover through-hole through the rubber pad boss and cup joints with the rubber pad through-hole and cup joint with the lower cover boss and link firmly at the lower cover shell originally internally, check valve lower cover shell and check valve lower cover pad can realize a body structure through moulding plastics, also can realize a body structure through later stage installation, the check valve.

Further, pin outer wall one side is provided with the screw thread boss, and the diameter of screw thread boss is 1.1mm, and the outer wall diameter 1mm of pin can realize the fixed of pin position fast like this when the check valve is fitted with a contraceptive ring and the check valve lower cover links firmly through the pin.

Compared with the prior art, the loose joint vertical check valve has the following advantages:

(1) a loose joint vertical check valve non return is flowed effectual, the dismouting is simple and convenient and simple structure leakproofness is good.

(2) A loose joint vertical check valve part all is the monomer design, damages the back removable, can effectually avoid the wasting of resources, improves product life.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic structural view of a loose joint vertical check valve according to an embodiment of the present invention;

fig. 2 is a schematic view of an explosive structure of a loose joint vertical check valve according to an embodiment of the present invention;

FIG. 3 is a schematic structural view of a check valve assembly according to an embodiment of the present invention;

fig. 4 is a schematic view of a water outlet pipe structure according to an embodiment of the present invention;

fig. 5 is a schematic cross-sectional view of an upper ring of a check valve according to an embodiment of the present invention;

fig. 6 is a schematic view of an upper ring structure of a check valve according to an embodiment of the present invention;

fig. 7 is a schematic view of an upper ring structure of a check valve according to an embodiment of the present invention;

fig. 8 is a schematic structural view of a lower cover shell of a check valve according to an embodiment of the present invention;

fig. 9 is a schematic structural view of a lower cover pad of a check valve according to an embodiment of the present invention;

fig. 10 is a schematic structural diagram of a pin according to an embodiment of the present invention.

Description of reference numerals:

1-thread sleeve; 11-a thread sleeve boss; 12-thread insert threads; 2-water inlet pipe; 21-inlet pipe boss; 3-water outlet pipe; 31-outlet pipe thread; 32-outlet pipe boss; 33-water outlet pipe rubber ring; 4-a check valve assembly; 41-check valve upper ring; 411-upper ring boss; 412-upper ring rubber ring; 413-upper ring support; 414-bracket through hole; 415-a sealing station; 42-check valve lower cover; 421-check valve lower cover shell; 4211-lower cover shell body; 4212-lower cover boss; 4213-lower cover through hole; 4214-lower cover support; 4215-locating holes; 422-check valve lower cover pad; 4221-rubber pad boss; 4222-rubber pad through hole; 43-pins; 431-thread boss; 44-torsion spring.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for 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 therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1-3, a loose joint vertical check valve, including swivel nut 1, oral siphon 2, outlet pipe 3 and check valve assembly 4, oral siphon 2 and outlet pipe 3 are cup jointed respectively to the inside both ends of swivel nut 1, outlet pipe 3 is inside to cup joint check valve assembly 4, check valve assembly 4 includes check valve lower cover 42, pin 43 and torsional spring 44, check valve upper ring 41 is installed to check valve lower cover 42 top, check valve upper ring 41 links firmly through pin 43 with check valve lower cover 42 one side, pin 43 periphery sets up torsional spring 44, check valve upper ring 41 and check valve lower cover 42 realize the switch through torsional spring 44 elasticity.

As shown in fig. 2, the thread insert 1 comprises a thread insert boss 11 and a thread insert thread 12, the thread insert thread 12 is arranged on the inner wall of one side of the thread insert 1, and the inner wall of the right side of the thread insert thread 12 protrudes to form the thread insert boss 11;

and one side of the periphery of the water inlet pipe 2 is provided with a water inlet pipe boss 21, and the water pipe boss 21 is sleeved with the thread sleeve boss 11.

As shown in fig. 4, the water outlet pipe 3 includes a water outlet pipe thread 31, a water outlet pipe boss 32 and a water outlet pipe rubber ring 33, the water outlet pipe thread 31 is provided on the outer wall of one side of the water outlet pipe 3, the water outlet pipe boss 32 is provided on the inner wall of the water outlet pipe 3 corresponding to the outer wall of the water outlet pipe thread 31, the water outlet pipe rubber ring 33 is installed on one side of the water outlet pipe boss 32, and the water outlet pipe 3 is sleeved with the screw thread. When the water outlet pipe 3 is sleeved with the threaded sleeve 1, the water inlet pipe 2 is also pressed, and the water outlet pipe rubber ring 33 is in contact with one side of the water inlet pipe boss 21 and is compacted to seal, so that water leakage at the joint of the water outlet pipe 3 and the water inlet pipe 2 is prevented.

As shown in fig. 5 and 6, the check valve upper ring 41 includes an upper ring boss 411, an upper ring rubber ring 412, an upper ring support 413 and a sealing platform 415, the sealing platform 415 is provided at one end of the check valve upper ring 41, the upper ring boss 411 is provided at one side of the outer wall of the check valve upper ring 41, the upper ring rubber ring 412 is installed at one side of the upper ring boss 411, two upper ring supports 413 are provided at the other side of the outer wall of the check valve upper ring 41, a support through hole 414 is provided on the upper ring support 413, the diameter of the support through hole 414 is 1mm, the pin 43 is sleeved in the support through hole 414 to realize the fixed connection of the pin 43 and the check valve upper ring 41, and one side of the.

As shown in fig. 5-7, the angle between the sealing land 415 and the upper ring boss 411 is a, 0 ° ≦ a <90 °.

As shown in fig. 8 and 9, the check valve lower cover 42 includes a check valve lower cover shell 421 and a check valve lower cover pad 422, the check valve lower cover shell 421 includes a lower cover shell body 4211, a lower cover boss 4212, a lower cover through hole 4213, a lower cover support 4214 and a positioning hole 4215, the lower cover support 4214 is located at one side of the check valve lower cover shell 421, the positioning hole 4215 is arranged on the lower cover support 4214, the diameter of the positioning hole 4215 is 1mm, the pin 43 is sleeved in the positioning hole 4215 to realize that the pin 43 is fixedly connected with the check valve lower cover 42, the lower cover shell body 4211 is formed by recessing one side surface of the check valve lower cover shell 421, and the lower cover shell body 4211 is internally provided with the lower cover through hole 4213 and the lower cover boss 4212 which are arranged;

check valve lower cover pad 422 includes rubber pad boss 4221 and rubber pad through-hole 4222, the boss of check valve lower cover pad 422 one side forms rubber pad boss 4221, the through-hole of check valve lower cover pad 422 one side forms rubber pad through-hole 4222, rubber pad boss 4221 and rubber pad through-hole 4222 are located check valve lower cover pad 422 with one side and cross arrangement, check valve lower cover pad 422 cup joints in lower cover through-hole 4213 through rubber pad boss 4221 and cup joints with rubber pad through-hole 4222 and lower cover boss 4212 and link firmly in lower cover shell body 4211, check valve lower cover shell 421 and check valve lower cover pad 422 can realize integrative structure through moulding plastics, also can realize integrative structure through later stage installation, check valve lower cover pad 422 constitutes seal structure with sealed platform 415.

As shown in fig. 10, a thread boss 431 is provided on one side of the outer wall of the pin 43, the diameter of the thread boss 431 is 1.1mm, and the outer diameter of the pin 43 is 1mm, so that when the upper check valve ring 41 and the lower check valve cover 42 are fixedly connected through the pin 42, the position of the pin 43 can be quickly fixed.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A loose joint vertical check valve which is characterized in that: including swivel nut (1), oral siphon (2), outlet pipe (3) and check valve subassembly (4), oral siphon (2) and outlet pipe (3) are cup jointed respectively to the inside both ends of swivel nut (1), outlet pipe (3) inside cup joints check valve subassembly (4), check valve subassembly (4) are including check valve lower cover (42), pin (43) and torsional spring (44), check valve upper ring (41) are installed to check valve lower cover (42) top, check valve upper ring (41) link firmly through pin (43) with check valve lower cover (42) one side, pin (43) periphery sets up torsional spring (44).

2. The check valve of claim 1, wherein: the screw sleeve (1) comprises a screw sleeve boss (11) and a screw sleeve thread (12), the screw sleeve thread (12) is arranged on the inner wall of one side of the screw sleeve (1), and the inner wall on the right side of the screw sleeve thread (12) is protruded to form the screw sleeve boss (11); one side of the water inlet pipe (2) is provided with a water inlet pipe boss (21), and the water pipe boss (21) is sleeved with the thread sleeve boss (11).

3. The check valve of claim 2, wherein: the water outlet pipe (3) comprises a water outlet pipe thread (31), a water outlet pipe boss (32) and a water outlet pipe rubber ring (33), the water outlet pipe boss (32) is arranged on the inner wall of one side of the water outlet pipe (3), the water outlet pipe rubber ring (33) is installed on one side of the water outlet pipe boss (32), the water outlet pipe thread (31) is arranged on the outer wall of one side of the water outlet pipe (3), and the water outlet pipe thread (31) is sleeved with the screw sleeve thread (12).

4. The check valve of claim 3, wherein: the check valve is fitted with a contraceptive ring (41) and is included ring boss (411), it encloses rubber ring (412) to fit with a contraceptive ring, it encloses support (413) and sealed platform (415) to fit with a contraceptive ring, check valve is fitted with a contraceptive ring (41) one end and is set up sealed platform (415), check valve is fitted with a contraceptive ring (41) outer wall one side and is set up ring boss (411), it encloses rubber ring (412) to fit with a contraceptive ring boss (411) one side installation, check valve is fitted with a contraceptive ring (41) outer wall opposite side and is set up two and enclose support (413), it sets up support through-hole (414) that are used for cup jointing pin.

5. The check valve of claim 1, wherein: the check valve lower cover (42) comprises a check valve lower cover shell (421) and a check valve lower cover pad (422), the check valve lower cover shell (421) comprises a lower cover shell body (4211) and a lower cover support (4214), a plurality of lower cover bosses (4212) and lower cover through holes (4213) are uniformly distributed on the lower cover shell body (4211), one side of the lower cover shell body (4211) is fixedly connected with the lower cover support (4214), the cross section of the lower cover support (4214) is of a U-shaped structure, two sides of the lower cover support (4214) are respectively provided with a positioning hole (4215) which is sleeved with a pin (43), the lower cover shell body (4211) is of an annular groove structure, a plurality of rubber pad bosses (4221) and rubber pad through holes (4222) are uniformly distributed on one side of the check valve lower cover pad (422), the rubber pad bosses (4221) are inserted into the lower cover through holes (4213), and the rubber pad through holes (4222) are inserted into the.

6. The check valve of claim 1, wherein: a thread boss (431) is arranged on one side of the outer wall of the pin (43), the diameter of the thread boss (431) is not less than 1.1mm, and the outer diameter of the pin (43) is not less than 1 mm.

7. The check valve of claim 3, wherein: the angle between the sealing platform (415) and the upper ring lug boss (411) is A, and A is more than or equal to 0 degrees and less than 90 degrees.

8. The check valve of claim 5, wherein: the inner diameters of the support through hole (414) and the positioning hole (4215) are not more than 1 mm.