CN215806330U - Double-water-path key valve core with independent operation of domestic water and purified water - Google Patents
Double-water-path key valve core with independent operation of domestic water and purified water Download PDFInfo
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- CN215806330U CN215806330U CN202122185855.4U CN202122185855U CN215806330U CN 215806330 U CN215806330 U CN 215806330U CN 202122185855 U CN202122185855 U CN 202122185855U CN 215806330 U CN215806330 U CN 215806330U
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Abstract
A double-water-path key valve core allowing domestic water and purified water to run independently comprises a base, a shell, a static ceramic piece, a movable ceramic piece, a water guide seat, a water sealing cover, a valve rod, a pressure spring, a valve core, a knob and a driving assembly, wherein a pin shaft hole is formed in a circular bottom plate of a driven piece; the spring transmission mechanism is characterized by also comprising a transmission part, a guide rod and a transmission pressure spring, wherein the transmission pressure spring is arranged in the spring transmission cavity, the rod part of the transmission part is inserted into the spring transmission cavity, and the guide rod is in sliding fit with the guide hole; the pin shaft is in rotating fit with the pin shaft hole, the annular bulge is attached to the circular bottom plate, and the pressure spring is matched with the driven plate and the water sealing cover; the driven member of the drive assembly drives the transmission member. By adopting the structure, the driving component is pressed under the state of valve closing, the driven part of the driving component acts on the transmission part, and the transmission part moves downwards in the spring transmission cavity and compresses the transmission spring; the force acting on the valve core is small, and the driving pressure spring and the pressure spring quickly reset the driven piece through the driving part.
Description
Technical Field
The utility model relates to a double-water-path valve core.
Background
At present, the prior art, chinese patent 202023019307.6, utility model name: a double-water-path key valve core allowing domestic water and pure water to run independently comprises a base, a shell, a static ceramic piece, a movable ceramic piece, a water guide seat, a water sealing cover, a valve rod, a valve core, a knob and a driving assembly, wherein the static ceramic piece is arranged on the base; the moving ceramic plate is arranged on the static ceramic plate, and the moving axial pure water hole is communicated with the static axial pure water hole; the water guide seat is arranged on the movable ceramic sheet and connected together, and the valve core seat is communicated with the movable axial purified water; the water sealing cover is arranged on the upper opening of the water guide cavity and is sealed, the valve rod is in sliding fit with the valve rod hole of the water sealing cover, the valve core is matched with the valve core seat, and the pressure spring is arranged between the top circular disc of the valve rod and the water sealing seat; the upper end of the water guide seat is inserted into the bottom cover part of the knob, the base is connected with the lower end of the shell, the cylindrical driving part of the knob is in rotating fit and sealing with the sleeve of the shell, and the bottom cover part is in liquid sealing with the top plate of the shell; the driving component is arranged in the cylindrical driving part of the knob and is matched with the valve rod; the drive assembly rotates along with the knob, and the drive assembly is in sliding fit with the top of the valve rod. There are problems in that: when the valve is opened by pressing the driving component, the valve core is extruded when the state of the driving component in the knob is switched, so that the service life is short, and water leakage is easy to occur.
SUMMERY OF THE UTILITY MODEL
The purpose of the utility model is: the double-water-path key valve core for the independent operation of the domestic water and the purified water has the characteristics that when the valve core is switched from a closed valve to an open valve, the valve core is not extruded, and the pressing force is small during the switching.
The utility model is realized by the following steps: a double-water-path key valve core allowing domestic water and purified water to independently run comprises a base, a shell, a static ceramic piece, a movable ceramic piece, a water guide seat, a water sealing cover, a valve rod, a pressure spring, a valve core, a knob and a driving assembly, wherein the water guide seat comprises a base, a water guide cavity arranged on the base, a valve core seat arranged on the base and a plurality of water guide holes arranged on the water guide cavity; the water sealing cover is provided with a valve rod hole and is arranged on the upper opening of the water guide cavity and sealed; the drive assembly is arranged in the cylindrical drive part of the knob; the driving component rotates along with the knob; it is characterized in that: a pin shaft hole is formed in the round bottom plate of the driven piece;
the valve rod is provided with a spring transmission cavity with an upper opening and a valve core fixing position;
also comprises a transmission piece, a guide rod and a transmission pressure spring,
the driving part comprises a rod part, a driven disc arranged at the top of the rod part, a pin shaft and an annular bulge which are arranged at the center of the upper surface of the driven disc, and a guide hole arranged at the lower part of the rod part;
the valve rod is matched with a valve rod hole of the water sealing cover in a sliding manner, a valve core on the valve rod is matched with a valve core seat, a transmission pressure spring is arranged in a spring transmission cavity, the rod part of a transmission part is inserted into the spring transmission cavity, a guide rod is matched with a guide hole in a sliding manner, and two ends of the guide rod are fixed with the spring transmission cavity; the pin shaft is in rotating fit with the pin shaft hole, the annular bulge is attached to the circular bottom plate, and the pressure spring is matched with the driven plate and the water sealing cover; the driven member of the drive assembly drives the transmission member.
The double-water-path key valve core with the independent operation of the domestic water and the purified water is characterized in that: the upper end of the water guide hole on the valve core seat is provided with an inverted conical frustum part;
the valve core is in a circular ring shape and is matched with the inverted cone frustum-shaped part.
The double-water-path key valve core with the independent operation of the domestic water and the purified water is characterized in that: the lower surface of the driven disc of the transmission part is provided with an upper spring seat surrounding the rod part,
the water sealing cover is provided with an annular groove-shaped lower spring seat;
the upper spring seat is inserted into the upper end of the pressure spring, and the lower part of the pressure spring is positioned in the lower spring seat.
The double-water-path key valve core with the independent operation of the domestic water and the purified water is characterized in that: the water sealing cover is provided with a sealing ring cavity and a lower counter bore, and the valve rod hole, the sealing ring cavity and the lower counter bore are sequentially arranged from bottom to top;
the valve also comprises a sealing ring and a lower cover, wherein the lower cover comprises a head part, a flange and a longitudinal valve rod hole;
the sealing ring is arranged in the sealing ring cavity, the head is inserted into the lower end of the sealing ring cavity, the flange is embedded with the sunken hole, and the valve rod penetrates through the sealing ring and the longitudinal valve rod hole.
The double-water-path key valve core with the independent operation of the domestic water and the purified water is characterized in that: the driving assembly further comprises a buffer ball and a spring seat with an upper opening;
the spring holder is established in the sliding chamber upper end, the pressure spring lower extreme is established in the spring holder, and the buffer ball is established on pressure spring, the buffer ball with the internal thread adapter sleeve cooperation of button.
The double-water-path key valve core allowing domestic water and purified water to run independently adopts the structure, the driving component is pressed in a valve closing state, the driven component of the driving component acts on the transmission component, and the transmission component moves downwards in the spring transmission cavity and compresses the transmission spring; the force acting on the valve core is small, and the driving pressure spring and the pressure spring quickly reset the driven piece through the driving part.
Drawings
FIG. 1 is a cross-sectional view of the present invention.
Fig. 2 is a view a-a of fig. 1.
Fig. 3 is one of the exploded perspective views of the present invention.
Fig. 4 is a second exploded perspective view of the present invention.
Fig. 5 is a third exploded perspective view of the present invention.
Fig. 6 is a fourth exploded perspective view of the present invention.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
As shown in fig. 1, a double-water-path key valve core allowing domestic water and purified water to run independently comprises a base 1, a shell 2, a static ceramic piece 3, a movable ceramic piece 4, a water guide seat 5, a water sealing cover 6, a valve rod 7, a pressure spring 72, a valve core 71, a knob 8 and a driving assembly 9, wherein the water guide seat 5 comprises a base 51, a water guide cavity 52 arranged on the base, a valve core seat 53 arranged on the base and a plurality of water guide holes arranged on the water guide cavity 521, the diameter of the water guide cavity 52 is smaller than that of the base 51, and the water guide holes on the valve core seat 53 are communicated with the water guide cavity 52;
the driving assembly 9 comprises a button 91, a follower 92 and a return spring 93, wherein the follower 92 comprises a circular base plate 921; the water sealing cover 6 is provided with a valve rod hole 61, and the water sealing cover 6 is arranged on the upper opening of the water guide cavity 52 and is sealed; the drive assembly 9 is disposed within the cylindrical drive portion of the knob 8; the driving component 9 rotates along with the knob 8; the specific structure of the driving component 9, the matching mode of the driving component 9 and the knob 8 and the action mode of the driving component 9; as described in chinese patent 202023019307.6, paragraphs [ 0060 ] to [ 0064 ] of the specification. During the switching process of the valve opening and closing, the method is as described in paragraphs [ 0072 ] to [ 0073 ] of the specification;
a pin shaft hole 9211 is formed in the circular bottom plate 921 of the driven piece;
the valve rod 7 is provided with a spring transmission cavity 73 with an upper opening and a valve core fixing position 74; the valve core 71 is fixed on the valve core mounting position 74;
also comprises a transmission piece 10, a guide rod 11 and a transmission pressure spring 12,
the transmission member 10 comprises a rod part 101, a driven disc 102 arranged at the top of the rod part, a pin shaft 103 and an annular bulge 104 which are arranged at the center of the upper surface of the driven disc, and a guide hole 105 arranged at the lower part of the rod part;
the valve rod 7 is in sliding fit with the valve rod hole 61 of the water sealing cover 6, the valve core 71 on the valve rod 7 is matched with the valve core seat 53, the transmission pressure spring 12 is arranged in the spring transmission cavity 73, the rod part 101 of the transmission part 10 is inserted into the spring transmission cavity 73, the guide rod 11 is in sliding fit with the guide hole 105, and two ends of the guide rod 11 are fixed with the spring transmission cavity 73; the pin shaft 103 is in running fit with the pin shaft hole 9211, the annular bulge 104 is attached to the circular base plate 921, and the pressure spring 72 is matched with the driven plate 102 and the water sealing cover 6; the driven member 92 of the drive assembly 9 drives the transmission member 10.
The upper end of the water guide hole on the valve core seat 53 is provided with an inverted conical frustum part 531;
the valve element 71 is circular, and the valve element 71 is fitted to the inverted truncated cone 531, so that the resistance of water is small when the valve is opened from the closed state.
The lower surface of the driven disc 102 of the transmission 10 is provided with an upper spring seat 106 surrounding the rod portion 101,
the water sealing cover 6 is provided with a lower spring seat 62 in the shape of an annular groove;
the upper spring seat 106 is inserted into the upper end of the pressure spring 72, and the lower portion of the pressure spring 72 is located in the lower spring seat 62.
As a further improvement of the utility model: the water sealing cover 6 is provided with a sealing ring cavity 63 and a sinking hole 64, and the valve rod hole 61, the sealing ring cavity 63 and the sinking hole 64 are sequentially arranged from bottom to top;
the valve further comprises a sealing ring 13 and a lower cover 14, wherein the lower cover 14 comprises a head part 141, a flange 142 and a longitudinal valve rod hole;
the sealing ring 13 is arranged in the sealing ring cavity 63, the head part 141 is inserted into the lower end of the sealing ring cavity 63, the flange 142 is embedded with the sunken hole 64, and the valve rod 7 penetrates through the sealing ring 13 and the longitudinal valve rod hole and is in sliding fit.
The driving assembly 9 further comprises a buffer ball 95 and a spring seat 94 with an upper opening; the structure of the button 91 is as described in chinese patent No. 202023019307.6, paragraphs 0069 to 0070 of the specification;
the spring seat 94 is arranged in the upper end of the sliding cavity 922, the lower end of the pressure spring 93 is arranged in the spring seat 96, the buffer ball 95 is arranged on the pressure spring 93, and the buffer ball 95 is matched with the internal thread connecting sleeve 911 of the button 91. Slightly different from the position of the pressure spring 93 of the driving assembly 9 of chinese patent No. 202023019307.6, but the function is the same.
In the valve-opening state shown in fig. 1 and fig. 2, when the button 91 of the driving assembly 9 is pressed, the driving member 10 moves downwards, the rod part 101 drives the transmission pressure spring 12, the transmission pressure spring 12 drives the valve rod 7 to move downwards, and the guide rod 11 moves relatively in the guide hole 105; until the follower 92 is locked with the knob 8, the valve core 72 is attached to the valve core seat 53 to realize valve closing, at the moment, the guide rod 11 is separated from the upper end of the guide hole 105, and the button 91 returns under the action of the pressure spring 93; when switching from the closed valve to the open valve, the push button 91 is pressed again, the actuator 10 moves downward, the guide rod 11 and the guide hole 105 move relatively, and then the follower 92 returns to the state shown in fig. 1, and the pressing force applied to the valve element 72 is small during the process of pressing the push button 91 again, thereby protecting the valve element 72.
What has been described above is merely a preferred embodiment of the present invention. It should be noted that a person skilled in the art could make several modifications and variations without departing from the principle of the present invention, which should also be regarded as the protection scope of the present invention.
Claims (5)
1. A double-water-path key valve core allowing domestic water and purified water to independently run comprises a base, a shell, a static ceramic piece, a movable ceramic piece, a water guide seat, a water sealing cover, a valve rod, a pressure spring, a valve core, a knob and a driving assembly, wherein the water guide seat comprises a base, a water guide cavity arranged on the base, a valve core seat arranged on the base and a plurality of water guide holes arranged on the water guide cavity; the water sealing cover is provided with a valve rod hole and is arranged on the upper opening of the water guide cavity and sealed; the drive assembly is arranged in the cylindrical drive part of the knob; the driving component rotates along with the knob; the method is characterized in that: a pin shaft hole is formed in the round bottom plate of the driven piece;
the valve rod is provided with a spring transmission cavity with an upper opening and a valve core fixing position;
also comprises a transmission piece, a guide rod and a transmission pressure spring,
the driving part comprises a rod part, a driven disc arranged at the top of the rod part, a pin shaft and an annular bulge which are arranged at the center of the upper surface of the driven disc, and a guide hole arranged at the lower part of the rod part;
the valve rod is matched with a valve rod hole of the water sealing cover in a sliding manner, a valve core on the valve rod is matched with a valve core seat, a transmission pressure spring is arranged in a spring transmission cavity, the rod part of a transmission part is inserted into the spring transmission cavity, a guide rod is matched with a guide hole in a sliding manner, and two ends of the guide rod are fixed with the spring transmission cavity; the pin shaft is in rotating fit with the pin shaft hole, the annular bulge is attached to the circular bottom plate, and the pressure spring is matched with the driven plate and the water sealing cover; the driven member of the drive assembly drives the transmission member.
2. The double-water-path key valve core allowing domestic water and purified water to run independently of claim 1, is characterized in that: the upper end of the water guide hole on the valve core seat is provided with an inverted conical frustum part;
the valve core is in a circular ring shape and is matched with the inverted cone frustum-shaped part.
3. The double-water-path key valve core allowing domestic water and purified water to run independently of claim 1, is characterized in that: the lower surface of the driven disc of the transmission part is provided with an upper spring seat surrounding the rod part,
the water sealing cover is provided with an annular groove-shaped lower spring seat;
the upper spring seat is inserted into the upper end of the pressure spring, and the lower part of the pressure spring is positioned in the lower spring seat.
4. The double-water-path key valve core allowing domestic water and purified water to run independently of claim 1, is characterized in that: the water sealing cover is provided with a sealing ring cavity and a lower counter bore, and the valve rod hole, the sealing ring cavity and the lower counter bore are sequentially arranged from bottom to top;
the valve also comprises a sealing ring and a lower cover, wherein the lower cover comprises a head part, a flange and a longitudinal valve rod hole;
the sealing ring is arranged in the sealing ring cavity, the head is inserted into the lower end of the sealing ring cavity, the flange is embedded with the sunken hole, and the valve rod penetrates through the sealing ring and the longitudinal valve rod hole.
5. The dual-water-path key valve core allowing domestic water and purified water to run independently according to claim 1, 2, 3 or 4, wherein: the driving assembly further comprises a buffer ball and a spring seat with an upper opening;
the spring holder is established in the sliding chamber upper end, the pressure spring lower extreme is established in the spring holder, and the buffer ball is established on pressure spring, the buffer ball with the internal thread adapter sleeve cooperation of button.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122185855.4U CN215806330U (en) | 2021-09-09 | 2021-09-09 | Double-water-path key valve core with independent operation of domestic water and purified water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122185855.4U CN215806330U (en) | 2021-09-09 | 2021-09-09 | Double-water-path key valve core with independent operation of domestic water and purified water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215806330U true CN215806330U (en) | 2022-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122185855.4U Active CN215806330U (en) | 2021-09-09 | 2021-09-09 | Double-water-path key valve core with independent operation of domestic water and purified water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215806330U (en) |
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2021
- 2021-09-09 CN CN202122185855.4U patent/CN215806330U/en active Active
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