CN217951323U - Check valve for horizontal sludge plunger pump - Google Patents

Check valve for horizontal sludge plunger pump Download PDF

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Publication number
CN217951323U
CN217951323U CN202220857469.7U CN202220857469U CN217951323U CN 217951323 U CN217951323 U CN 217951323U CN 202220857469 U CN202220857469 U CN 202220857469U CN 217951323 U CN217951323 U CN 217951323U
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valve
valve core
ring groove
inner bushing
buffering
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CN202220857469.7U
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Chinese (zh)
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余仁飞
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Individual
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Individual
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Abstract

The utility model discloses a check valve for a horizontal sludge plunger pump in the field of sludge plunger pumps, which comprises a valve body, wherein a water outlet is arranged on the side surface of the valve body; the valve cover is detachably arranged on the top of the valve body; the valve core is positioned in the valve body and can be installed on the valve cover in a vertically sliding manner; and the valve bottom plays a role in damping and buffering the valve core, is detachably arranged at the bottom of the valve body and is provided with a water inlet. The design can alleviate the impact between the valve core and the valve bottom, so that the valve core and the valve bottom are not easy to damage, the service life is longer, the integral failure rate of the one-way valve is lower, the service life is longer, and the later maintenance cost is reduced.

Description

Check valve for horizontal sludge plunger pump
Technical Field
The utility model relates to a mud plunger pump field, in particular to check valve for horizontal mud plunger pump.
Background
The synchronous motion of the two cylinder bodies in the sludge plunger pump needs to be realized by the participation of a one-way valve, and the performance of the one-way valve directly determines the conveying effect of the sludge pump.
In the prior art, the one-way valve mainly comprises a valve cover, a valve body, a valve bottom and a valve core, wherein the valve core and the valve bottom are the strongest under impact force, particularly, when the valve core is subjected to reverse flow interception, the valve core can be heavily impacted on the valve bottom to generate larger impact and vibration, so the valve core and the valve bottom are wearing parts in the one-way valve, the service life of the valve body is greatly influenced by the quality of the parts, the service lives of the existing valve core and the valve bottom are relatively short, and the service life of the whole one-way valve is also sharply shortened.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a can alleviate case and the valve end between impact, make at the bottom of case and the valve even longer horizontal mud plunger pump of whole check valve life.
The purpose of the utility model is realized like this: a check valve for a horizontal sludge plunger pump comprises a valve body, wherein a water outlet is formed in the side surface of the valve body; the valve cover is detachably arranged on the top of the valve body; the valve core is positioned in the valve body and can be installed on the valve cover in a vertically sliding manner; and the valve bottom plays a role in damping and buffering the valve core, is detachably arranged at the bottom of the valve body and is provided with a water inlet.
Compared with the prior art, the beneficial effects of the utility model reside in that: the one-way valve provided by the utility model has the advantages that the valve bottom is subjected to the buffering design, the impact between the valve core and the valve bottom can be effectively alleviated, the failure rate of the valve core and the valve bottom is further reduced, the service life of the one-way valve and even the service life of the whole one-way valve are prolonged, and the later maintenance cost is further reduced; meanwhile, due to the buffer design between the valve core and the valve bottom, the noise of the one-way valve during reverse interception is lower.
As a preferred scheme of the utility model, the valve bottom comprises a valve bottom body, and the valve bottom body is detachably arranged at the lower end of the valve body; the inner bushing is detachably arranged inside the valve bottom body; the valve core buffer seat can be arranged in the inner lining sleeve in a vertically sliding manner within a small range and is in sliding sealing fit with the inner lining sleeve; and the buffering and damping mechanism is positioned between the valve core buffering seat and the inner bushing and is used for performing a buffering and damping effect on the valve core buffering seat. The design structure is compact, and the manufacturing and using cost is lower.
As a preferred scheme of the present invention, the damping mechanism comprises a plurality of damping units which are distributed in a central symmetry manner with the central axis of the valve bottom as the center, each of the damping units comprises two spring holes, which are respectively disposed on the valve core buffer seat and the inner lining sleeve in an up-down opposite manner, and each of the spring holes is provided with a guide pillar hole; the spring guide posts are detachably arranged in the two guide post holes; and the buffer spring is sleeved on the spring guide post, and the upper end and the lower end of the buffer spring are respectively abutted against the spring hole. The design structure is simple, and the buffering and shock-absorbing performance is good.
Furthermore, a sealing ring groove is respectively arranged at the matching part of the upper end of the inner bushing and the valve bottom body as well as the valve body, and a sealing ring groove is also arranged at the matching part of the lower end of the inner bushing and the valve bottom body; the matching parts of the upper end and the lower end of the valve core buffer seat and the inner bushing are also respectively provided with a sealing ring groove and a supporting ring groove, the sealing ring groove is arranged outside, and the supporting ring groove is arranged inside; the sealing ring groove is internally provided with a sealing ring, and the supporting ring groove is internally provided with a supporting ring. The design has good tightness and is not easy to leak.
As a preferred scheme of the present invention, a ventilation monitoring mechanism is further disposed on the valve bottom, and includes a first water collecting tank, and the first water collecting tank is disposed at the bottom of the inner cavity of the inner liner and is disposed by the inner wall thereof; the first air hole is arranged on the inner lining sleeve, the upper end of the first air hole is communicated with the first water collecting tank, and the lower end opening of the first air hole is arranged on the lower end surface of the inner lining sleeve; the second water collecting tank is arranged at the bottom of the inner cavity of the valve bottom body, is arranged close to the inner wall of the valve bottom body and is communicated with the lower end of the first air vent; and the second air hole is arranged on the valve bottom body, the upper end of the second air hole is communicated with the second water collecting tank, and the lower end opening of the second air hole is arranged on the lower end surface of the valve bottom body. On one hand, the design can monitor and judge the sealing condition of the valve bottom in time by observing whether water flows out of the second air holes; on the other hand, because the valve core buffer seat is communicated with the inside and the outside, the resistance brought by compressed air is not generated when the valve core buffer seat slides, and at the moment, the buffer coefficient of the valve bottom is the lowest, and the sensitivity is the highest.
Furthermore, the lower end of the second air hole is provided with a detachable regulating valve with an adjustable valve opening. The design makes the valve end can adjust the buffer coefficient of the valve core buffer action in a small range, and then makes the buffer control more flexible and changeable, and the application scope is wider.
Furthermore, the inner bushing and the valve core buffer seat are made of stainless steel. The design makes the valve bottom have stronger impact resistance and corrosion resistance, thereby prolonging the service life of the valve bottom.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.
Fig. 3 is a schematic structural view of the valve core buffer seat of the present invention.
Fig. 4 is a schematic structural view of the inner liner of the present invention.
Fig. 5 is a schematic structural view of the valve bottom body of the present invention.
The valve comprises a valve body 1, a water outlet 1a, a valve cover 2, a valve core 3, a valve bottom 4, a water inlet 5, a valve bottom body 6, an inner bushing 7, a valve core buffer seat 8, a spring hole 9, a guide post hole 9a, a spring guide post 10, a buffer spring 11, a sealing ring groove 12, a sealing ring 12, a supporting ring groove 13, a supporting ring 13, a first water collecting groove 14, a first air hole 15, a second water collecting groove 16 and a second air hole 17.
Detailed Description
As shown in fig. 1-5, a check valve for a horizontal sludge plunger pump comprises a valve body 1, wherein a water outlet 1a is formed in the side surface of the valve body 1; the valve cover 2, the above-mentioned valve cover 2 is installed on the top of the valve block 1 removably; a valve core 3, wherein the valve core 3 is positioned in the valve body 1 and is arranged on the valve cover 2 in a vertically sliding manner; and the valve bottom 4 plays a role in damping and buffering the valve core 3, and the valve bottom 4 is detachably arranged at the bottom of the valve body 1 and is provided with a water inlet 5.
The valve bottom 4 comprises a valve bottom body 6, and the valve bottom body 6 is detachably arranged at the lower end of the valve body 1; an inner bush 7, wherein the inner bush 7 is detachably mounted inside the valve bottom body 6; a valve core buffer seat 8, wherein the valve core buffer seat 8 can be installed in the inner bushing 7 in a small range in a vertically sliding manner and is in sliding sealing fit with the inner bushing 7; and the buffering and damping mechanism is positioned between the valve core buffering seat 8 and the inner bushing 7 and is used for performing a buffering and damping effect on the valve core buffering seat 8.
The buffering and damping mechanism comprises a plurality of damping units which are distributed in a central symmetry manner by taking the central axis of the valve bottom 4 as the center, each damping unit comprises two spring holes 9, the two spring holes 9 are respectively arranged on the valve core buffer seat 8 and the inner bushing 7 in an up-down opposite manner, and a guide column hole 9a is arranged in each spring hole 9; a spring guide post 10, wherein the spring guide post 10 is detachably arranged in the two guide post holes 9a; and the buffer spring 11 is sleeved on the spring guide post 10, and the upper end and the lower end of the buffer spring 11 are respectively abutted against the spring hole 9.
The matching part of the upper end of the inner bushing 7 and the valve bottom body 6 as well as the valve body 1 is respectively provided with a sealing ring groove 12, and the matching part of the lower end of the inner bushing 7 and the valve bottom body 6 is also provided with a sealing ring groove 12; the matching parts of the upper end and the lower end of the valve core buffer seat 8 and the inner bushing 7 are also respectively provided with a sealing ring groove 12 and a supporting ring groove 13, wherein the sealing ring groove 12 is arranged outside, and the supporting ring groove 13 is arranged inside; a seal ring 12a is provided in the seal ring groove 12, and a support ring 13a is provided in the support ring groove 13.
The valve bottom 4 is also provided with a ventilation monitoring mechanism which comprises a first water collecting tank 14, and the first water collecting tank 14 is arranged at the bottom of the inner cavity of the inner liner 7 and close to the inner wall of the inner cavity; a first air hole 15, wherein the first air hole 15 is arranged on the inner bushing 7, the upper end of the first air hole 15 is communicated with the first water collecting tank 14, and the lower end opening of the first air hole is arranged on the lower end surface of the inner bushing 7; the second water collecting tank 16 is arranged at the bottom of the inner cavity of the valve bottom body 6, is arranged close to the inner wall of the inner cavity, and is communicated with the lower end of the first air vent 15; and the second air hole 17 is arranged on the valve bottom body 6, the upper end of the second air hole 17 is communicated with the second water collecting tank 16, and the lower end opening of the second air hole 17 is arranged on the lower end surface of the valve bottom body 6. When the sealing ring 12a is damaged and water seepage occurs, the seepage water can be gathered to the first water collecting tank 14 or the second water collecting tank 16 along the inner wall and finally flows out from the second air hole 17, and then whether the inner sealing ring 12a is damaged or not and whether replacement is needed or not is judged.
The lower end of the second air hole 17 is provided with a detachable regulating valve with an adjustable valve opening. Along with the adjustment of the opening size of the regulating valve, when the valve core buffer seat is compressed, the pressure relief speed of air is different, and further the buffer coefficient is influenced.
The inner bushing 7 and the valve core buffer seat 8 are made of stainless steel.
During one-way circulation, sewage flows in from the water inlet 5 on the valve bottom 4, backs up the valve core 3, enters into the valve body 1, and then flows out from the water outlet 1 a.
When the valve is stopped in a one-way mode, sewage flows in from the water outlet 1a on the valve body 1 and enters the valve body 1, the valve core 3 is driven to downwards collide the valve core buffering seat 8, the valve core buffering seat 8 moves downwards, impact potential energy between the valve core buffering seat 8 and the valve core buffering seat is converted into elastic potential energy of the buffering spring 11, and impact between the valve bottom 4 and the valve core 3 is further relieved.
The present invention is not limited to the above embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some replacements and transformations for some technical features without creative labor according to the disclosed technical contents, and these replacements and transformations are all within the protection scope of the present invention.

Claims (6)

1. The utility model provides a check valve for horizontal mud plunger pump which characterized in that: the one-way valve comprises
The water-saving valve comprises a valve body (1), wherein a water outlet (1 a) is formed in the side surface of the valve body (1);
the valve cover (2), the valve cover (2) is detachably arranged on the top of the valve body (1);
the valve core (3) is positioned inside the valve body (1), and is arranged on the valve cover (2) in a vertically sliding manner;
the valve bottom (4) plays a role in damping and buffering the valve core (3), the valve bottom (4) is detachably arranged at the bottom of the valve body (1), and a water inlet (5) is formed in the valve bottom; the valve bottom (4) comprises
The valve bottom body (6), the valve bottom body (6) is detachably arranged at the lower end of the valve body (1);
the inner bushing (7), the said inner bushing (7) is installed in the valve bottom body (6) removably;
the valve core buffer seat (8) can be arranged in the inner bushing (7) in a vertically sliding manner in a small range and is in sliding sealing fit with the inner bushing (7);
and the buffering and damping mechanism is positioned between the valve core buffering seat (8) and the inner bushing (7) and is used for playing a role of shock absorption and buffering on the valve core buffering seat (8).
2. The check valve for the horizontal sludge plunger pump according to claim 1, wherein: the buffering and damping mechanism comprises a plurality of damping units which are centrosymmetrically distributed by taking the central axis of the valve bottom (4) as the center, and each damping unit comprises
Two spring holes (9) are formed, the two spring holes (9) are respectively arranged on the valve core buffer seat (8) and the inner lining (7) in an up-down opposite mode, and a guide pillar hole (9 a) is formed in each spring hole (9);
the spring guide columns (10) are detachably arranged in the two guide column holes (9 a);
the buffer spring (11), the buffer spring (11) suit is on spring guide pillar (10), and its upper and lower both ends respectively support and lean on in spring hole (9).
3. The check valve for the horizontal sludge plunger pump according to claim 1 or 2, wherein: a sealing ring groove (12) is respectively arranged at the matching position of the upper end of the inner bushing (7) with the valve bottom body (6) and the valve body (1), and a sealing ring groove (12) is also arranged at the matching position of the lower end of the inner bushing (7) with the valve bottom body (6);
the upper end and the lower end of the valve core buffer seat (8) are respectively provided with a sealing ring groove (12) at the matching part with the inner bushing (7), and the valve core buffer seat is also respectively provided with a supporting ring groove (13), wherein the sealing ring groove (12) is arranged outside, and the supporting ring groove (13) is arranged inside;
a sealing ring (12 a) is arranged in the sealing ring groove (12), and a supporting ring (13 a) is arranged in the supporting ring groove (13).
4. The check valve for the horizontal sludge plunger pump according to claim 1 or 2, wherein: the valve bottom (4) is also provided with a ventilation monitoring mechanism which comprises
The first water collecting groove (14), the first water collecting groove (14) is arranged at the bottom of the inner cavity of the inner bushing (7) and is arranged close to the inner wall of the inner bushing;
the first air hole (15), the said first air hole (15) is set up on the inner liner (7), its upper end is linked with the first water catch bowl (14), its lower end opening is set up on the lower end of the inner liner (7);
the second water collecting tank (16) is arranged at the bottom of the inner cavity of the valve bottom body (6), is arranged close to the inner wall of the inner cavity of the valve bottom body, and is communicated with the lower end of the first air vent (15);
and the second air hole (17) is formed in the valve bottom body (6), the upper end of the second air hole (17) is communicated with the second water collecting tank (16), and the lower end opening of the second air hole is formed in the lower end face of the valve bottom body (6).
5. The check valve for the horizontal sludge plunger pump according to claim 4, wherein: the lower end of the second air hole (17) is provided with a detachable regulating valve with an adjustable valve opening size.
6. The check valve for the horizontal sludge plunger pump according to claim 1 or 2, wherein: the inner bushing (7) and the valve core buffer seat (8) are made of stainless steel.
CN202220857469.7U 2022-04-14 2022-04-14 Check valve for horizontal sludge plunger pump Active CN217951323U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220857469.7U CN217951323U (en) 2022-04-14 2022-04-14 Check valve for horizontal sludge plunger pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220857469.7U CN217951323U (en) 2022-04-14 2022-04-14 Check valve for horizontal sludge plunger pump

Publications (1)

Publication Number Publication Date
CN217951323U true CN217951323U (en) 2022-12-02

Family

ID=84208749

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220857469.7U Active CN217951323U (en) 2022-04-14 2022-04-14 Check valve for horizontal sludge plunger pump

Country Status (1)

Country Link
CN (1) CN217951323U (en)

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