CN214999601U - Check valve convenient to clean - Google Patents

Abstract

The utility model discloses a convenient clear check valve, which comprises a valve body, the middle-end fixedly connected with of valve body inner chamber keeps off the ring, keep off the inner wall fixedly connected with sealing washer of ring, the inner wall swing joint of sealing washer has the baffle, the inner wall fixedly connected with valve rod of baffle, there are first locating part and second locating part on the right side of valve rod surface and left side swing joint respectively, both sides all with the inner wall fixed connection of valve body around first locating part and the second locating part, the left side movable sleeve on valve body surface is equipped with the spring, the top swing joint of valve body has clean lid, the spacing groove has been seted up at the top of clean lid. The utility model discloses possess convenient clear advantage, solved current check valve at the in-process that uses, the staff of not being convenient for cleans the inside accumulational dirt of check valve, causes the inside jam of check valve easily, influences the leakproofness of check valve, has reduced the problem of check valve practicality.

Description

Check valve convenient to clean

Technical Field

The utility model relates to a check valve technical field specifically is a convenient clear check valve.

Background

The check valve is a valve whose opening and closing member is a circular valve clack and acts by self weight and medium pressure to block medium backflow, belonging to the automatic valve class, also called check valve, one-way valve, backflow valve or isolating valve, the valve clack motion mode is divided into lifting type and swing type, the lifting type check valve is similar to the structure of the stop valve, only lacks a valve rod for driving the valve clack, medium flows in from an inlet end and flows out from an outlet end, when the inlet pressure is greater than the sum of the weight of the valve clack and flow resistance thereof, the valve is opened, otherwise, the valve is closed when the medium flows backwards.

The in-process of current check valve using, the staff of being not convenient for cleans the inside accumulational dirt of check valve, causes the inside jam of check valve easily, influences the leakproofness of check valve, has reduced the practicality of check valve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a convenient clear check valve possesses convenient clear advantage, has solved current check valve at the in-process that uses, and the staff of being not convenient for cleans the inside accumulational dirt of check valve, causes the inside jam of check valve easily, influences the leakproofness of check valve, has reduced the problem of check valve practicality.

In order to achieve the above object, the utility model provides a following technical scheme: a check valve convenient to clean comprises a valve body, wherein a baffle ring is fixedly connected at the middle end of an inner cavity of the valve body, a sealing ring is fixedly connected to the inner wall of the baffle ring, a baffle is movably connected to the inner wall of the sealing ring, a valve rod is fixedly connected to the inner wall of the baffle, a first limiting part and a second limiting part are respectively and movably connected to the right side and the left side of the surface of the valve rod, the front side and the rear side of each of the first limiting part and the second limiting part are fixedly connected with the inner wall of the valve body, a spring is movably sleeved on the left side of the surface of the valve rod, a cleaning cover is movably connected to the top of the valve body, a limiting groove is formed in the top of the cleaning cover, a rotating ring is movably connected to the inner wall of the limiting groove, a fixed plate is fixedly connected to the top of the rotating ring, a fixed rod is fixedly connected to the top of the fixed plate, a rotating handle is fixedly connected to the top of the fixed rod, and connecting plates are fixedly connected to the two sides of the fixed rod, the valve body is characterized in that an outer threaded pipe is fixedly connected to one side opposite to the connecting plate, a threaded sleeve is sleeved on the surface of the outer threaded pipe in a threaded manner, the bottom of the threaded sleeve is fixedly connected with the top of the valve body, and a sealing ring is fixedly connected to the bottom of the connecting plate.

Preferably, the left side of the spring is movably connected with the right side of the second limiting part, and the right side of the spring is movably connected with the left side of the baffle.

Preferably, both sides of the valve body are fixedly connected with flanges, and mounting holes are formed in the flanges.

Preferably, the right side of the baffle is movably connected with the left side of the first limiting part, and a thread groove is formed in the inner wall of the thread sleeve.

Preferably, the sealing ring is made of rubber, and a cleaning hole matched with the cleaning cover for use is formed in the top of the valve body.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a sealing ring, external screw thread pipe, connecting plate, dead lever, commentaries on classics handle, thread bush, change, fixed plate, spacing groove and the cooperation of clean lid are used, have solved current check valve at the in-process that uses, and the staff of being not convenient for cleans the inside accumulational dirt of check valve, causes the inside jam of check valve easily, influences the leakproofness of check valve, has reduced the problem of check valve practicality.

2. The utility model discloses a cooperation of fender ring and baffle is used, can be convenient for prevent the inside medium refluence of valve body, through setting up the sealing washer, can be convenient for increase the leakproofness of fender ring, through setting up first locating part, can be convenient for carry out spacing baffle of avoiding to the baffle and remove right, through setting up the spring, can be convenient for support the baffle, through setting up the second locating part, can be convenient for support the spring, through setting up clean lid, can be convenient for clean valve body inside, cooperation through spacing groove and change is used, can be convenient for drive clean lid and remove, through setting up the sealing ring, can be convenient for prevent that clean lid from leaking.

Drawings

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

FIG. 2 is a right side sectional view of the present invention;

fig. 3 is a top partial cross-sectional view of the present invention;

fig. 4 is an enlarged view of a in fig. 1 according to the present invention.

In the figure: the valve comprises a valve body 1, a flange 2, a sealing ring 3, an external threaded pipe 4, a connecting plate 5, a fixing rod 6, a rotating handle 7, a threaded sleeve 8, a baffle 9, a valve rod 10, a first limiting part 11, a baffle ring 12, a sealing ring 13, a spring 14, a second limiting part 15, a rotating ring 16, a fixing plate 17, a limiting groove 18 and a cleaning cover 19.

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 work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" 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 "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be 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 in specific cases to those skilled in the art.

The utility model provides a valve body 1, flange 2, sealing ring 3, external screw thread pipe 4, connecting plate 5, dead lever 6, change 7, thread bush 8, baffle 9, valve rod 10, first locating part 11, fender ring 12, sealing washer 13, spring 14, second locating part 15, change 16, fixed plate 17 and clean parts such as lid 19 are general standard or the part that technical staff in the field know, and its structure and principle all can learn through the technical manual or learn through conventional experimental method for technical staff in the field.

Referring to fig. 1-4, a check valve convenient to clean comprises a valve body 1, flanges 2 are fixedly connected to both sides of the valve body 1, mounting holes are formed on the flanges 2, a baffle ring 12 is fixedly connected to the middle end of the inner cavity of the valve body 1, a sealing ring 13 is fixedly connected to the inner wall of the baffle ring 12, the sealing performance of the baffle ring 12 can be improved by arranging the sealing ring 13, a baffle 9 is movably connected to the inner wall of the sealing ring 13, the medium backflow in the valve body 1 can be conveniently prevented by the cooperation of the baffle ring 12 and the baffle 9, a valve rod 10 is fixedly connected to the inner wall of the baffle 9, a first limiting member 11 and a second limiting member 15 are respectively and movably connected to the right side and the left side of the surface of the valve rod 10, the baffle 9 can be conveniently limited by arranging the first limiting member 11 to prevent the baffle 9 from moving rightwards, the spring 14 can be conveniently supported by arranging the second limiting member 15, the front and back sides of the first limiting part 11 and the second limiting part 15 are fixedly connected with the inner wall of the valve body 1, the left side of the surface of the valve rod 10 is movably sleeved with a spring 14, the baffle 9 can be conveniently supported by arranging the spring 14, the left side of the spring 14 is movably connected with the right side of the second limiting part 15, the right side of the spring 14 is movably connected with the left side of the baffle 9, the top of the valve body 1 is movably connected with a cleaning cover 19, the inside of the valve body 1 can be conveniently cleaned by arranging the cleaning cover 19, the top of the cleaning cover 19 is provided with a limiting groove 18, the inner wall of the limiting groove 18 is movably connected with a rotating ring 16, the cleaning cover 19 can be conveniently driven to move by matching the limiting groove 18 with the rotating ring 16, the top of the rotating ring 16 is fixedly connected with a fixing plate 17, the top of the fixing plate 17 is fixedly connected with a fixing rod 6, and the top of the fixing rod 6 is fixedly connected with a rotating handle 7, the two sides of the fixed rod 6 are fixedly connected with the connecting plate 5, one side opposite to the connecting plate 5 is fixedly connected with the external threaded pipe 4, the surface of the external threaded pipe 4 is in threaded sleeve with a threaded sleeve 8, the right side of the baffle 9 is movably connected with the left side of the first limiting part 11, the inner wall of the threaded sleeve 8 is provided with a threaded groove, the bottom of the threaded sleeve 8 is fixedly connected with the top of the valve body 1, the bottom of the connecting plate 5 is fixedly connected with a sealing ring 3, the cleaning cover 19 can be conveniently prevented from leaking by arranging the sealing ring 3, the sealing ring 13 is made of rubber, the top of the valve body 1 is provided with a cleaning hole matched with the cleaning cover 19, the sealing ring 3, the external threaded pipe 4, the connecting plate 5, the fixed rod 6, the rotating handle 7, the threaded sleeve 8, the rotating ring 16, the fixed plate 17, the limiting groove 18 and the cleaning cover 19 are matched for use, so that the problem that the existing check valve is inconvenient for workers to clean accumulated dirt inside the check valve in the use is solved, cause the inside jam of check valve easily, influence the leakproofness of check valve, reduced the problem of check valve practicality.

When the cleaning valve is used, when a medium enters the valve body 1, the medium extrudes the right end of the valve rod 10, the valve rod 10 drives the baffle plate 9 to extrude the spring 14, the medium enters the left side of the inner cavity of the valve body 1 through the baffle ring 12, when the medium stops flowing, the spring 14 resets to drive the baffle plate 9 to enter the baffle ring 12, the first limiting part 11 limits the baffle plate 9, the sealing ring 13 prevents the medium from flowing back, when the inside of the valve body 1 needs to be cleaned, the connecting plate 5 is driven to rotate through the rotating handle 7, the connecting plate 5 drives the external threaded pipe 4 to rotate, the external threaded pipe 4 is screwed out of the threaded sleeve 8, the rotating handle 7 drives the fixing plate 17 to move upwards, the fixing plate 17 drives the rotating ring 16 and the cleaning cover 19 to move upwards, the cleaning cover 19 is separated from the cleaning hole, and dirt inside the valve body 1 is cleaned through the cleaning hole.

In summary, the following steps: this convenient clear check valve uses through the cooperation of sealing ring 3, external screw thread pipe 4, connecting plate 5, dead lever 6, commentaries on classics 7, thread bush 8, change 16, fixed plate 17, spacing groove 18 and clean lid 19, has solved current check valve and at the in-process that uses, and the staff of being not convenient for cleans the inside accumulational dirt of check valve, causes the inside jam of check valve easily, influences the leakproofness of check valve, has reduced the problem of check valve practicality.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a convenient clear check valve, includes valve body (1), its characterized in that: the middle end of the inner cavity of the valve body (1) is fixedly connected with a retaining ring (12), the inner wall of the retaining ring (12) is fixedly connected with a sealing ring (13), the inner wall of the sealing ring (13) is movably connected with a baffle (9), the inner wall of the baffle (9) is fixedly connected with a valve rod (10), the right side and the left side of the surface of the valve rod (10) are respectively movably connected with a first limiting part (11) and a second limiting part (15), the front side and the rear side of the first limiting part (11) and the second limiting part (15) are fixedly connected with the inner wall of the valve body (1), the left side of the surface of the valve rod (10) is movably sleeved with a spring (14), the top of the valve body (1) is movably connected with a cleaning cover (19), the top of the cleaning cover (19) is provided with a limiting groove (18), the inner wall of the limiting groove (18) is movably connected with a rotating ring (16), the top of the rotating ring (16) is fixedly connected with a fixing plate (17), the top fixedly connected with dead lever (6) of fixed plate (17), the top fixedly connected with of dead lever (6) changes (7), the equal fixedly connected with connecting plate (5) in both sides of dead lever (6), one side fixedly connected with external screw thread pipe (4) opposite connecting plate (5), the surperficial thread bush of external screw thread pipe (4) is equipped with thread bush (8), the bottom of thread bush (8) and the top fixed connection of valve body (1), the bottom fixedly connected with sealing ring (3) of connecting plate (5).

2. A non-return valve to facilitate cleaning according to claim 1, wherein: the left side of the spring (14) is movably connected with the right side of the second limiting piece (15), and the right side of the spring (14) is movably connected with the left side of the baffle (9).

3. A non-return valve to facilitate cleaning according to claim 1, wherein: the two sides of the valve body (1) are fixedly connected with flanges (2), and mounting holes are formed in the flanges (2).

4. A non-return valve to facilitate cleaning according to claim 1, wherein: the right side of baffle (9) and the left side swing joint of first locating part (11), the thread groove has been seted up to the inner wall of thread bush (8).

5. A non-return valve to facilitate cleaning according to claim 1, wherein: the sealing ring (13) is made of rubber, and a cleaning hole matched with the cleaning cover (19) for use is formed in the top of the valve body (1).

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