CN210461805U - Ceramic core check valve - Google Patents
Ceramic core check valve Download PDFInfo
- Publication number
- CN210461805U CN210461805U CN201921597153.3U CN201921597153U CN210461805U CN 210461805 U CN210461805 U CN 210461805U CN 201921597153 U CN201921597153 U CN 201921597153U CN 210461805 U CN210461805 U CN 210461805U
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- valve
- seat
- boss
- fixed
- valve body
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Abstract
The utility model discloses a ceramic core check valve, which comprises a valve body, a valve cover, a ceramic valve clack, a valve seat and a sealing ring; valve cover: the valve cover is clamped with the upper end part of the valve body through a clamping mechanism and is fixed with the upper end part of the valve body through a fixing mechanism; valve seat: the valve seat is fixed on the inner side of the water inlet channel of the valve body and is of a cobalt-based hard alloy structure; ceramic valve flap: the ceramic valve clack comprises a valve plate and a boss, the boss is fixed at the left end of the valve plate, the edge position of the boss is rounded, the boss is buckled inside the valve seat, the valve plate is fixed at the end part of the rocker arm, and the other end of the rocker arm is rotatably connected with the valve body through a pin shaft; sealing rings: the cross section of sealing washer is L type structure, and partly laminating of sealing washer is on the inner wall of disk seat, the right-hand member portion of another part laminating disk seat of sealing washer sets up, and its is wear-resisting, high temperature resistant, and anti scotch performance is good, long service life, and the leakproofness is good.
Description
Technical Field
The utility model relates to the technical field of valves, specifically a ceramic core check valve.
Background
The check valve is a valve whose opening and closing part 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 the valve rod driving the valve clack is lacked, the medium flows in from the inlet end and flows out from the 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 valve clack and valve seat of the traditional check valve are generally made of iron castings, and the abrasion and corrosion are easy to occur.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current defect, provide a ceramic core check valve, wear-resisting, high temperature resistant, anti scotch performance is good, long service life, and the leakproofness is good, can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: a ceramic core check valve comprises a valve body, a valve cover, a ceramic valve clack, a valve seat and a sealing ring;
valve cover: the valve cover is clamped with the upper end part of the valve body through a clamping mechanism and is fixed with the upper end part of the valve body through a fixing mechanism;
valve seat: the valve seat is fixed on the inner side of the water inlet channel of the valve body and is of a cobalt-based hard alloy structure;
ceramic valve flap: the ceramic valve clack comprises a valve plate and a boss, the boss is fixed at the left end of the valve plate, the edge position of the boss is rounded, the boss is buckled inside the valve seat, the valve plate is fixed at the end part of the rocker arm, and the other end of the rocker arm is rotatably connected with the valve body through a pin shaft;
sealing rings: the cross section of sealing washer is L type structure, and a part laminating of sealing washer is on the inner wall of disk seat, the right-hand member portion of another part laminating disk seat of sealing washer sets up.
Further, the clamping mechanism comprises a sealing clamping groove and a sealing clamping strip, the sealing clamping strip is fixed to the bottom of the valve cover, the sealing clamping groove is formed in the valve body, the sealing clamping strip and the sealing clamping groove are in sealing clamping connection, the valve body and the valve cover are assembled through the sealing clamping strip and the sealing clamping groove, the valve body is convenient to install and disassemble, and the interior of the valve body is convenient to maintain.
Furthermore, four groups of fixing mechanisms are arranged, the four groups of fixing mechanisms are arranged in a rotating array mode, and the firmness of fixing is improved through the multiple groups of fixing mechanisms.
Further, the fixing mechanism comprises a fixing pin and a pin hole, the pin hole is formed in the valve body, the fixing pin is assembled on the valve cover and is connected with the pin hole in an inserting mode, the valve body and the valve cover are fixed through the connecting of the fixing pin and the pin hole in an inserting mode, and the connection firmness of the valve body and the valve cover is guaranteed.
Further, still include the handle, the handle is fixed at the top of valve gap, and the handle is T type structure, carries out handheld operation through the handle, has guaranteed the rationality of design.
Compared with the prior art, the beneficial effects of the utility model are that: the ceramic core check valve has the following advantages:
1. the valve clack is a ceramic valve clack, the ceramic valve clack has the performances of high temperature resistance, corrosion resistance and wear resistance, and the valve seat is of a cobalt-based hard alloy structure, so that the valve seat is wear-resistant, high temperature-resistant, good in scratch resistance and long in service life.
2. The edge position of boss carries out the radius angle setting, has reduced the lock resistance of boss with the disk seat, has guaranteed the rationality of design, has further improved the leakproofness of this check valve through the lock of boss with the disk seat.
3. The partly laminating of sealing washer is on the inner wall of disk seat to increase the leakproofness that boss and disk seat are connected, the right-hand member portion of another part laminating disk seat of sealing washer sets up, is used for cushioning the shock attenuation when the valve plate presses the disk seat, avoids the dynamics too big and lead to the valve plate to damage, has increased its life.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a sectional view of the structure of the present invention;
fig. 3 is an enlarged view of the structure at a position of the present invention.
In the figure: the valve comprises a valve body 1, a clamping mechanism 2, a sealing clamping groove 201, a sealing clamping strip 202, a valve cover 3, a handle 4, a fixing mechanism 5, a fixing pin 51, a pin hole 52, a ceramic valve clack 6, a valve plate 61, a boss 62, a pin shaft 7, a rocker arm 8, a valve seat 9 and a sealing ring 10.
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.
Referring to fig. 1-3, the present invention provides a technical solution: a ceramic core check valve comprises a valve body 1, a valve cover 3, a ceramic valve clack 6, a valve seat 9 and a sealing ring 10;
valve cover 3: the valve cover 3 is clamped with the upper end part of the valve body 1 through the clamping mechanism 2, and the valve cover 3 is fixed with the upper end part of the valve body 1 through the fixing mechanism 5;
valve seat 9: the valve seat 9 is fixed on the inner side of the water inlet channel of the valve body 1, and the valve seat 9 is of a cobalt-based hard alloy structure, so that the valve is wear-resistant, high-temperature-resistant, good in scratch-resistant performance and long in service life;
ceramic valve flap 6: the ceramic valve clack 6 comprises a valve plate 61 and a boss 62, the ceramic has high temperature resistance, corrosion resistance and wear resistance, the boss 62 is fixed at the left end of the valve plate 61, the edge of the boss 62 is rounded, the boss 62 is buckled inside the valve seat 9, the valve plate 61 is fixed at the end part of the rocker arm 8, and the other end of the rocker arm 8 is rotatably connected with the valve body 1 through a pin shaft 7;
when the medium flows forwards, the ceramic valve clack 6 is pushed, the ceramic valve clack 6 drives the rocker arm 8 to move, the rocker arm 8 rotates relative to the valve body 1 through the pin shaft 7, at the moment, the valve is opened, when the medium flows backwards, the valve plate 61 is pressed on the valve seat 9, the boss 62 is buckled inside the valve seat 9, and at the moment, the valve is closed;
the edge position of the boss 62 is chamfered, so that the buckling resistance of the boss 62 and the valve seat 9 is reduced, the reasonability of the design is ensured, and the sealing performance of the check valve is further improved through the buckling of the boss 62 and the valve seat 9;
sealing ring 10: the cross section of the sealing ring 10 is of an L-shaped structure, one part of the sealing ring 10 is attached to the inner wall of the valve seat 9, and the other part of the sealing ring 10 is attached to the right end of the valve seat 9 for arrangement.
Partly laminating of sealing washer 10 is on the inner wall of disk seat 9 to increase the leakproofness that boss 62 and disk seat 9 are connected, the right-hand member portion of another part laminating disk seat 9 of sealing washer 10 sets up, is used for carrying out the buffering shock attenuation when valve plate 61 presses to disk seat 9, avoids the dynamics too big and leads to valve plate 61 to damage, has increased its life.
The clamping mechanism 2 comprises a sealing clamping groove 201 and a sealing clamping strip 202, the sealing clamping strip 202 is fixed at the bottom of the valve cover 3, the sealing clamping groove 201 is formed in the valve body 1, the sealing clamping strip 202 is in sealing clamping connection with the sealing clamping groove 201, the valve body 1 and the valve cover 3 are assembled through the sealing clamping strip 202 and the sealing clamping groove 201 in sealing clamping connection, and the valve body 1 and the valve cover 3 are convenient to install and disassemble and convenient to maintain inside the valve body 1.
The fixing mechanisms 5 are provided with four groups, the four groups of fixing mechanisms 5 are arranged in a rotating array mode, and the firmness of fixing is improved through the multiple groups of fixing mechanisms.
The fixing mechanism 5 comprises a fixing pin 51 and a pin hole 52, the pin hole 52 is formed in the valve body 1, the fixing pin 51 is assembled on the valve cover 3, the fixing pin 51 is inserted into the pin hole 52, the valve body 1 and the valve cover 3 are fixed through insertion of the fixing pin 51 and the pin hole 52, and connection firmness of the valve body 1 and the valve cover 3 is guaranteed.
Still include handle 4, handle 4 is fixed at the top of valve gap 3, and handle 4 is T type structure, carries out handheld operation through handle 4, has guaranteed the rationality of design.
When in use: when the medium flows forwards, the ceramic valve clack 6 is pushed, the ceramic valve clack 6 drives the rocker arm 8 to move, the rocker arm 8 rotates relative to the valve body 1 through the pin shaft 7, at the moment, the valve is opened, when the medium flows backwards, the valve plate 61 is pressed on the valve seat 9, the boss 62 is buckled inside the valve seat 9, and at the moment, the valve is closed.
The edge position of the boss 62 is rounded, so that the buckling resistance of the boss 62 and the valve seat 9 is reduced, and the sealing performance of the check valve is further improved through the buckling of the boss 62 and the valve seat 9.
Partly laminating of sealing washer 10 is on the inner wall of disk seat 9 to increase the leakproofness that boss 62 and disk seat 9 are connected, the right-hand member portion of the laminating disk seat 9 of another part of sealing washer 10 sets up, is used for carrying out the buffering shock attenuation when valve plate 61 presses to disk seat 9, avoids the dynamics too big and leads to valve plate 61 to damage.
The valve body 1 and the valve cover 3 are assembled by the sealing clamping strip 202 and the sealing clamping groove 201 in a sealing clamping manner.
The valve body (1) and the valve cover (3) are fixed by inserting the fixing pin (51) and the pin hole (52).
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. A ceramic core check valve characterized by: comprises a valve body (1), a valve cover (3), a ceramic valve flap (6), a valve seat (9) and a sealing ring (10);
valve cover (3): the valve cover (3) is clamped with the upper end part of the valve body (1) through a clamping mechanism (2), and the valve cover (3) is fixed with the upper end part of the valve body (1) through a fixing mechanism (5);
valve seat (9): the valve seat (9) is fixed on the inner side of a water inlet channel of the valve body (1), and the valve seat (9) is of a cobalt-based hard alloy structure;
ceramic valve flap (6): the ceramic valve clack (6) comprises a valve plate (61) and a boss (62), the boss (62) is fixed at the left end of the valve plate (61), the edge position of the boss (62) is rounded, the boss (62) is buckled inside a valve seat (9), the valve plate (61) is fixed at the end part of a rocker arm (8), and the other end of the rocker arm (8) is rotatably connected with the valve body (1) through a pin shaft (7);
sealing ring (10): the cross section of sealing washer (10) is L type structure, and partly laminating of sealing washer (10) is on the inner wall of disk seat (9), the right-hand member portion of another part laminating disk seat (9) of sealing washer (10) sets up.
2. A ceramic core check valve as defined in claim 1 wherein: clamping mechanism (2) are including sealed draw-in groove (201) and sealed card strip (202), and the bottom at valve gap (3) is fixed in sealed card strip (202), set up on valve body (1) sealed draw-in groove (201), sealed card strip (202) and sealed draw-in groove (201) sealed joint.
3. A ceramic core check valve as defined in claim 1 wherein: the four groups of fixing mechanisms (5) are arranged in a rotating array mode.
4. A ceramic core check valve as defined in claim 3 wherein: the fixing mechanism (5) comprises a fixing pin (51) and a pin hole (52), the pin hole (52) is formed in the valve body (1), the fixing pin (51) is assembled on the valve cover (3), and the fixing pin (51) is connected with the pin hole (52) in an inserting mode.
5. A ceramic core check valve as defined in claim 1 wherein: the novel valve cover is characterized by further comprising a handle (4), wherein the handle (4) is fixed to the top of the valve cover (3), and the handle (4) is of a T-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921597153.3U CN210461805U (en) | 2019-09-24 | 2019-09-24 | Ceramic core check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921597153.3U CN210461805U (en) | 2019-09-24 | 2019-09-24 | Ceramic core check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210461805U true CN210461805U (en) | 2020-05-05 |
Family
ID=70435645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921597153.3U Expired - Fee Related CN210461805U (en) | 2019-09-24 | 2019-09-24 | Ceramic core check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210461805U (en) |
-
2019
- 2019-09-24 CN CN201921597153.3U patent/CN210461805U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200505 Termination date: 20210924 |
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| CF01 | Termination of patent right due to non-payment of annual fee |