CN201705996U - Improved ceramic valve core for cold and hot water mixing valve - Google Patents
Improved ceramic valve core for cold and hot water mixing valve Download PDFInfo
- Publication number
- CN201705996U CN201705996U CN2010202063661U CN201020206366U CN201705996U CN 201705996 U CN201705996 U CN 201705996U CN 2010202063661 U CN2010202063661 U CN 2010202063661U CN 201020206366 U CN201020206366 U CN 201020206366U CN 201705996 U CN201705996 U CN 201705996U
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- housing
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- valve core
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Abstract
An improved ceramic valve core for a cold and hot water mixing valve comprises a housing and a bracket in an upper cavity; a shift lever is hinged on the bracket; a shift lever ball head is positioned in a circular hole at the upper part of a center plate; a tile is mounted between the upper circumference of the bracket and the housing; positioning clamping pins extending downwards are distributed in the groove of the center plate; the upper part of the movable ceramic chip is tightened in the center plate through the positioning clamping pins; positioning clamping pins extending upwards are distributed in the inner chamber of a base, and a static ceramic chip in sliding contact with the movable ceramic chip is tightened in the base through the positioning clamping pins; rubber seal rings are arranged in the grooves on the upper and the lower surfaces of the base respectively; the upper and the lower surfaces and two sides of the rubber seal rings are all flat surfaces; and the adjacent flat surfaces are in arc surface transitional with each other. The improved ceramic valve core of the utility model has the advantages of reliable and stable operation, good sealing effect, bearing capability for more than 2 MPa high pressure, prolonged service life, lowered requirements of sizes and tolerances of the ceramic chips, and improved yield of the ceramic chips.
Description
Technical field
The valve spool that a kind of field of feeding water is used, the especially ceramic valve core of water mixing valve door usefulness.
Background technique
Liu Tong feed-water valve spool generally is a ceramic valve core in the market.Because the ceramic valve core chemical stability is good, therefore long service life has obtained using widely.The spool of existing water mixing valve mainly is to control with driving lever, has following deficiency:
1, owing between the support that driving lever is housed and the spool housing space is arranged, both central axes are bad, so driving lever often has diastema when stirring dynamic porcelain piece and phenomenon such as rock and take place, and are stable not good enough, influence using effect.
2, the rubber seal ring cross-section between stable ceramic piece and spool base, spool base and the valve seat is circular, and poor sealing performance is easy to generate seepage when hydraulic pressure reaches 2MPa by force when above, and the sensation feel is heavy during the operation driving lever.
3, too high to the size tolerance requirements of dynamic porcelain piece and stable ceramic piece.Because ceramics temperature variation in course of working is big, shrinking tolerance changes greatly, so the size instability of ceramics.When the existing various ceramic valve core of assembling, the size that ceramics location card placement of foot size and other Component often the occur phenomenon that is not complementary, ceramics becomes flexible easily and makes spool lose use value.Therefore, existing ceramic valve core is very high to the quality requirement of dynamic porcelain piece and stable ceramic piece, causes the product percent of pass of ceramics factory to have only 75～80%.
Summary of the invention
The purpose of this utility model provides the modified model ceramic valve core that a kind of water mixing valve is used, and accomplishes good stability, and is high pressure resistant, good sealing effect, and the size tolerance requirements of ceramics reduced.
The utility model comprises housing and is positioned at the support of housing epicoele, driving lever is hinged in the carriage center hole, the bulb of driving lever is positioned at dial top circular hole, be mounted with lubricated sheet circle between mid-stent step surface and the housing, hook is arranged on the base, the hole of colluding that cooperates with hook should be arranged on the housing mutually, improvements are to be equipped with tile between the circumference and housing on the support, with be distributed with the location card base that stretches out downwards in the dial groove of support lower plane sliding contact, location card base distributing position is corresponding one by one with all external frame planes on dynamic porcelain piece top, and dynamic porcelain piece is solidly set in the dial through the location card base; Base intracavity is distributed with the location card base that protrudes upward, and location card base distributing position is corresponding one by one with all external frame planes of stable ceramic piece, is solidly set in the base through locating card base with the stable ceramic piece of dynamic porcelain piece sliding contact; Be embedded with rubber seal respectively in the upper and lower surface groove of base, the upper and lower surface and the bi-side of rubber seal all are planes, are the arc surface transition between the adjacent plane.
Compared with the prior art, the utility model has following characteristics:
1, operation is reliable, good stability.
Owing to be equipped with the central axes that tile guarantees support and housing between circumference and the housing above the support, so driving lever can stir dynamic porcelain piece reliably, no diastema with phenomenon such as rock, the stability and the using effect of raising spool.
2, good sealing effect, the above high pressure of ability 2MPa is non-leakage, prolongs spool working life, and feel is light during the operation driving lever.
3, the size tolerance requirements of dynamic porcelain piece and stable ceramic piece is reduced, improve the ceramics yield rate, accomplish that simultaneously dynamic porcelain piece is not shifted, deviation not, improved product stability.
Because dynamic porcelain piece top is fixed in the dial through the location card base, stable ceramic piece is fixed in the base through the location card base, therefore the shrinking tolerance that produces because of the temperature difference of ceramics size does not influence cooperating between other component of it and spool, just changes the deformation size of locating card base in dial or the base.So, the ceramics yield rate of ceramics factory greatly improves, and up-to-standard rate can be brought up to more than 95%.Simultaneously, the location card base guarantees that ceramics under high pressure is not shifted, deviation not, has improved product stability.
Description of drawings
Fig. 1 is that modified model ceramic valve core master cuts open figure (driving lever is a plumbness).
Fig. 2 is modified model ceramic valve core worm's eye view (driving lever is a plumbness).
Fig. 3 is a modified model ceramic valve core stereogram.
Fig. 4 is a modified model ceramic valve core STRUCTURE DECOMPOSITION schematic representation (seeing from top to bottom).
Fig. 5 is a modified model ceramic valve core STRUCTURE DECOMPOSITION schematic representation (seeing from the bottom up).
Fig. 6 is the rubber seal sectional view.
Fig. 7 is the driving lever modified model ceramic valve core plan view 23 ° time that tilts.
Fig. 8 is that the M of Fig. 7 is to sectional view.
Fig. 9 is the driving lever modified model ceramic valve core worm's eye view 23 ° time that tilts.
Figure 10 is and modified model ceramic valve core plan view when counterclockwise rotating 45 °.
Figure 11 is that the K of Figure 10 is to sectional view.
Figure 12 is and modified model ceramic valve core worm's eye view when counterclockwise rotating 45 °.
Figure 13 is driving lever modified model ceramic valve core plan view when tilting 45 ° of 23 ° and clockwise direction rotations.
Figure 14 is that the L of Figure 13 is to sectional view.
Figure 15 is driving lever modified model ceramic valve core worm's eye view when tilting 45 ° of 23 ° and clockwise direction rotations.
Embodiment
Shown in Fig. 1～5, the utility model comprises housing 1 and is positioned at the support 6 of housing 1 epicoele, driving lever 2 is in bearing pin 4 is hinged on support 6 center holes, the bulb 21 of driving lever 2 is positioned at dial 7 top circular holes 71, be mounted with lubricated sheet circle 3 between support 6 middle bench faces and the housing 1, hook 112 is arranged on the base 11, should have mutually on the housing 1 cooperate with hook 112 collude hole 1-1, difference is to be equipped with tile 5 between circumference and housing 1 center hole on the support 6, with be distributed with the location card base 72 that stretches out downwards in dial 7 grooves of support 6 lower plane sliding contacts, location card base 72 distributing positions are corresponding one by one with all external frame planes 81 on dynamic porcelain piece 8 tops, and dynamic porcelain piece 8 is solidly set in the dial 7 through location card base 72; Base 11 inner chambers are distributed with the location card base 111 that protrudes upward, and location card base 111 distributing positions are corresponding one by one with stable ceramic piece 9 all external frame planes 91, are solidly set in the base 11 through locating card base 111 with the stable ceramic piece 9 of dynamic porcelain piece 8 sliding contacts; Be embedded with rubber seal 10,12 respectively in the base 11 upper and lower surface grooves, the upper and lower surface and the bi-side of rubber seal 10,12 all are planes, are the arc surface transition between the adjacent plane.
Because existing spool all is housing explosion and the fracture of support angular positioning pin when doing the torsional strenght test, torsional strenght does not reach technical requirements, main cause is the angle that is the housing angle with the angle of support angle is parallel, when being subjected to certain torque force, will occur skidding and phenomenon of rupture, so present embodiment improves as follows at above-mentioned deficiency:
In the present embodiment, a radially angle α is arranged between the radial direction of the side of support 6 angular positioning pin 61 and support 6 center hole axis, between the side of housing 1 angular positioning pin 1-2 and the radial direction of housing 1 center hole axis a radially angle is also arranged, two radially the angle of angle equate, fasten mutually.Because the form that adopts angle to interlock between the angle of support 6 and housing 1, therefore when driving lever drove support 6 at housing 1 intrinsic deflection several angle, both fastened mutually, have strengthened the torsional strenght of spool, have prolonged working life.
Working principle of the present utility model is with manual operating driving lever 2, the bulb 21 of driving lever 2 is stirred dial 7, dial 7 drives dynamic porcelain piece 8 and slides or deflection on stable ceramic piece 9, thereby change the relative position between cooling water inlet 91, hot water inlet 92 and the water outlet 93 of the water flowing shape lumen pore 81 of dynamic porcelain piece 8 and stable ceramic piece 8, reach and close, go out cold water, go out hot water, go out the purpose of cold and hot mixing water.
As shown in Figure 2, when driving lever 2 was in plumbness, because the entity part of dynamic porcelain piece 9 has covered hot water or cold water's import 91,92 of stable ceramic piece 9, so valve was closed water outlet 93 anhydrous outflows.When driving lever 2 is in plumbness, no matter how deflection of driving lever 2, all anhydrous outflow.
Shown in Fig. 7,8,9,,, so can emit hot and cold mixing water from water outlet 93 because dynamic porcelain piece 8 water flowing shape lumen pores 81 have lap to realize being communicated with cooling water inlet 91, the hot water inlet 92 of stable ceramic piece 90 simultaneously when driving lever 2 tilts 23 ° the time.If clockwise or counterclockwise deflection driving lever 2, water flowing shape lumen pore 81 is different with the area of overlap of hot and cold water intake 91,92 so, thereby regulates the water-outlet quantity ratio of cold water and hot water, realizes the adjusting of water-exit temperature height.
Shown in Figure 10,11,12, when driving lever tilts 23 ° and when counterclockwise rotating 45 °, because 81 of the water flowing shape lumen pores of dynamic porcelain piece 8 have lap to communicate with the cooling water inlet 91 of stable ceramic piece 9, the entity part of dynamic porcelain piece 8 has covered hot water inlet 92, therefore, water outlet 93 can only be emitted cold water.
Shown in Figure 13,14,15, when driving lever tilts 23 ° and turn clockwise 45 ° the time, because 81 of the water flowing shape lumen pores of dynamic porcelain piece 8 have lap to communicate with the hot water inlet 92 of stable ceramic piece 9, the entity part of dynamic porcelain piece 8 has covered cooling water inlet 91, so water outlet 93 can only be emitted hot water.
Claims (2)
1. the modified model ceramic valve core of a water mixing valve door usefulness, comprise housing (1) and be positioned at the support (6) of housing (1) epicoele, driving lever (2) is in bearing pin (4) is hinged on support (6) center hole, the bulb (21) of driving lever (2) is positioned at dial (7) top circular hole (71), be mounted with lubricated sheet circle (3) between support (6) middle bench face and the housing (1), hook (112) is arranged on the base (11), should have mutually on the housing (1) cooperate with hook (112) collude hole (1-1), it is characterized in that being equipped with tile (5) between last circumference of support (6) and the housing (1), with be distributed with the location card base (72) that inwardly stretches out in dial (7) groove of support (6) lower plane sliding contact, location card base (72) distributing position is corresponding one by one with all external frame planes (81) on dynamic porcelain piece (8) top, and dynamic porcelain piece (8) is solidly set in the dial (7) through location card base (72); Base (11) inner chamber is distributed with the location card base (111) that inwardly stretches out, location card base (111) distributing position is corresponding one by one with all external frame planes (91) of stable ceramic piece (9), is solidly set in the base (11) through locating card base (111) with the stable ceramic piece (9) of dynamic porcelain piece (8) sliding contact; Be embedded with rubber seal (10), (12) respectively in the upper and lower surface groove of base (11), the upper and lower surface and the bi-side of rubber seal (10), (12) all are planes, are the arc surface transition between the adjacent plane.
2. modified model ceramic valve core according to claim 1, it is characterized in that between the radial direction of the side of support (6) angular positioning pin (61) and support (6) center hole axis a radially angle α being arranged, between the radial direction of the side of housing (1) angular positioning pin (1-2) and housing (1) center hole axis a radially angle is also arranged, two radially the angle of angle equate, fasten mutually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202063661U CN201705996U (en) | 2010-05-25 | 2010-05-25 | Improved ceramic valve core for cold and hot water mixing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202063661U CN201705996U (en) | 2010-05-25 | 2010-05-25 | Improved ceramic valve core for cold and hot water mixing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201705996U true CN201705996U (en) | 2011-01-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202063661U Expired - Fee Related CN201705996U (en) | 2010-05-25 | 2010-05-25 | Improved ceramic valve core for cold and hot water mixing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201705996U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105257866A (en) * | 2015-11-04 | 2016-01-20 | 开平市亿展阀芯有限公司 | Lateral sealing valve for faucet |
-
2010
- 2010-05-25 CN CN2010202063661U patent/CN201705996U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105257866A (en) * | 2015-11-04 | 2016-01-20 | 开平市亿展阀芯有限公司 | Lateral sealing valve for faucet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110112 Termination date: 20130525 |