Pressing valve element capable of automatically discharging residual water in pipe
By designing a push-button valve core that automatically drains residual water from the pipe, and using a rotating rod and spring to drive the piston to automatically drain the residual water, the problems of dripping and freezing of faucets are solved, and the performance is improved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-11
- Publication Date
- 2026-03-24
AI Technical Summary
Existing faucets cannot automatically drain residual water from the pipes after being turned off, leading to problems such as dripping, freezing, cracking, and scaling.
Design a push-button valve core for automatically draining residual water from pipes. The piston moves up and down by rotating a rod, and the residual water is automatically drained by the elastic force of a spring. An O-ring seal is used to improve the sealing performance.
It effectively prevents faucets from dripping and freezing, avoids scale buildup on the silicone nozzles of overhead and handheld shower heads, and improves performance.
Smart Images
Figure CN224033112U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of valve core, concretely relates to a press valve core that automatically discharges residual water in pipe. BACKGROUND
[0002] The press valve core is used for opening and closing the faucet and for stable control of water inflow and outflow, but residual water in the water pipe cannot be discharged after the control valve is closed, continuously drips, and stops until the water in the pipe is completely drained, which causes the phenomenon of water pipe cracking at extremely low temperature and scaling of the silica gel water outlet of the top spray and handheld shower due to residual water not being discharged, and the use effect is poor. Therefore, in order to avoid the shortcomings in the prior art, it is necessary to improve the prior art. SUMMARY
[0003] The utility model aims at overcoming the shortcomings and deficiencies in the prior art and providing a press valve core that automatically discharges residual water in pipe.
[0004] The utility model is implemented through the following technical solutions:
[0005] A press valve core that automatically discharges residual water in pipe, comprising a shell and a bottom shell installed at the bottom of the shell, a press rod is installed on the inner side of the shell, a rotating rod is connected to the bottom of the press rod, a piston that can move up and down is abutted against the bottom of the rotating rod, a spring that abuts against the piston is installed on the top of the bottom shell, the piston is provided with a water passing pipe that extends to the bottom shell, a drain hole and a water inlet hole are respectively provided on the outer side of the bottom shell, a water outlet channel that communicates with the water inlet hole is provided on the inner side of the bottom shell, and a drain hole is provided on the outer side of the water passing pipe.
[0006] Further, the outer side of the piston is respectively sleeved with a first O-shaped sealing rubber ring and a second O-shaped sealing rubber ring, the first O-shaped sealing rubber ring is arranged above the drain hole, and the second O-shaped sealing rubber ring is arranged below the drain hole.
[0007] Further, a third O-shaped sealing rubber ring is sleeved on the outer side of the bottom of the water passing pipe.
[0008] Further, a fourth O-shaped sealing rubber ring is installed on the bottom of the bottom shell, a fifth O-shaped sealing rubber ring is sleeved on the outer side of the shell, and a sixth O-shaped sealing rubber ring is sleeved on the outer side of the bottom shell.
[0009] Further, a seventh O-shaped sealing rubber ring is arranged at the connection between the shell and the bottom shell.
[0010] Further, the top of the bottom shell is provided with a mounting groove for positioning and mounting the spring.
[0011] Further, the piston is provided with an abutting plate for abutting the spring.
[0012] Further, the bottom of the rotating rod is provided with a convex point.
[0013] Further, the drain through holes are symmetrically distributed, and the drain holes are symmetrically distributed.
[0014] Further, the upper part of the bottom shell is screwed to the bottom of the outer shell, and the piston sleeve is arranged on the inner side of the bottom shell.
[0015] With respect to the prior art, the bottom of the rotating rod abuts against a piston capable of moving up and down, the piston is provided with a water passing pipe extending to the bottom shell, the outer side of the bottom shell is respectively provided with a drain hole and a water inlet hole, the inner side of the bottom shell is provided with a water outlet channel in communication with the water inlet hole, and the outer side of the water passing pipe is provided with a drain through hole corresponding to the drain hole. When the pressing rod is pressed and rebounds, the piston is retracted upward by the elastic force of the spring, the water outlet channel discharges water, and a normal water discharge state is achieved. When the pressing rod is pressed and does not rebound under the action of the rotating rod, the drain through hole of the piston is in communication with the drain hole, a drain state is achieved, and the water outlet channel is closed at the same time. Due to the self-gravity of water, residual water in the water pipe is automatically and rapidly discharged, and dripping, freezing of the water outlet pipe at extremely low temperature, and scaling caused by residual water in the silica gel water outlet of the top spray and handheld shower are avoided, and the use effect is good. BRIEF DESCRIPTION OF DRAWINGS
[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without any creative effort on the basis of these drawings.
[0017] Fig. 1 It is a structure diagram of the pressing valve core of the present application for automatically discharging residual water in the pipe.
[0018] Fig. 2 It is an exploded view of the structure of the pressing valve core of the present application for automatically discharging residual water in the pipe.
[0019] Fig. 3 It is a structure diagram of the pressing valve core of the present application for automatically discharging residual water in the pipe in the water discharge state.
[0020] Fig. 4 It is a structure diagram of the pressing valve core of the present application for automatically discharging residual water in the pipe in the closed state.
[0021] In the figure: 1 - shell; 2 - bottom shell; 3 - pressing rod; 4 - rotating rod; 5 - piston; 6 - spring; 7 - water pipe; 8 - drainage hole; 9 - water inlet hole; 10 - water outlet channel; 11 - drainage through hole; 12 - first O-shaped sealing rubber ring; 13 - second O-shaped sealing rubber ring; 14 - third O-shaped sealing rubber ring; 15 - fourth O-shaped sealing rubber ring; 16 - fifth O-shaped sealing rubber ring; 17 - sixth O-shaped sealing rubber ring; 18 - seventh O-shaped sealing rubber ring; 19 - mounting groove; 20 - abutting plate; 21 - convex point. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.
[0023] As Figs. 1 to 4 shown in the automatic pressing valve core for discharging residual water in a pipe, comprising a shell 1 and a bottom shell 2 mounted on the bottom of the shell 1, the inner side of the shell 1 is provided with a pressing rod 3, the bottom of the pressing rod 3 is connected with a rotating rod 4, the bottom of the rotating rod 4 abuts against a piston 5 which can move up and down, the top of the bottom shell 2 is provided with a spring 6 abutting against the piston 5, the piston 5 is provided with a water pipe 7 extending to the bottom shell 2, the outer side of the bottom shell 2 is respectively provided with a drainage hole 8 and a water inlet hole 9, the inner side of the bottom shell 2 is provided with a water outlet channel 10 communicating with the water inlet hole 9, and the outer side of the water pipe 7 is provided with a drainage through hole 11 corresponding to the drainage hole 8. The bottom of the rotating rod 4 abuts against a piston 5 which can move up and down, the piston 5 is provided with a water pipe 7 extending to the bottom shell 2, the outer side of the bottom shell 2 is respectively provided with a drainage hole 8 and a water inlet hole 9, the inner side of the bottom shell 2 is provided with a water outlet channel 10 communicating with the water inlet hole 9, and the outer side of the water pipe 7 is provided with a drainage through hole 11 corresponding to the drainage hole 8. When the pressing rod 3 is pressed and rebounds, the piston 5 is retracted upward by the elastic force of the spring 6, and the water outlet channel 10 discharges water, which is the normal water discharge state; when the pressing rod 3 is pressed and does not rebound due to the action of the rotating rod 4, the drainage through hole 11 of the piston 5 communicates with the drainage hole 8, which is the drainage state, and the water outlet channel 10 is also closed. Due to the self-gravity of water, the residual water in the pipe is automatically and quickly discharged, which will not continuously drip and will not cause the phenomenon of water pipe cracking at extremely low temperature and the scaling problem caused by residual water not being discharged in the silicon rubber outlet of the top spray and handheld shower. The use effect is good.
[0024] The outer side of the piston 5 is sleeved with a first O-shaped sealing rubber ring 12 and a second O-shaped sealing rubber ring 13 respectively, the first O-shaped sealing rubber ring 12 is arranged above the drainage through hole 11, and the second O-shaped sealing rubber ring 13 is arranged below the drainage through hole 11, so as to prevent leakage when the drainage through hole 11 drains water.
[0025] The outer side of the bottom of the water passing pipe 7 is sleeved with a third O-shaped sealing rubber ring 14, so as to prevent water in the water outlet channel 10 from leaking to the drainage hole 8.
[0026] The bottom of the bottom shell 2 is provided with a fourth O-shaped sealing rubber ring 15, the outer side of the outer shell 1 is sleeved with a fifth O-shaped sealing rubber ring 16, and the outer side of the bottom shell 2 is sleeved with a sixth O-shaped sealing rubber ring 17, so as to improve the sealing performance of the valve core.
[0027] The connection part of the outer shell 1 and the bottom shell 2 is provided with a seventh O-shaped sealing rubber ring 18, so as to improve the sealing performance of the connection of the outer shell 1 and the bottom shell 2.
[0028] The top of the bottom shell 2 is provided with a mounting groove 19 for positioning and mounting the spring 6, so as to facilitate the positioning and stable mounting of the spring 6, and the elastic force of the spring 6 is more stable.
[0029] The piston 5 is provided with an abutting plate 20 for abutting the spring 6, so that the elastic force of the spring 6 is more stable, and the stable reset of the piston 5 is facilitated.
[0030] The center of the bottom of the rotating rod 4 is provided with a convex point 21, so as to reduce the friction between the rotating rod 4 and the piston 5, and the rotating rod 4 rotates more smoothly.
[0031] The drainage through holes 11 are symmetrically distributed, and the drainage holes 8 are symmetrically distributed, so as to facilitate smooth and stable drainage of the valve core.
[0032] The upper part of the bottom shell 2 is screwed to the bottom of the outer shell 1, and the piston 5 is sleeved on the inner side of the bottom shell 2, so that the assembly of the valve core is more convenient and stable, and the up-down movement of the piston 5 is more stable.
[0033] The above only describes the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A push-button valve core for automatically draining residual water from a pipe, characterized in that: The device includes an outer shell and a bottom shell mounted on the bottom of the outer shell. A pressing rod is installed on the inner side of the outer shell, and a rotating rod is connected to the bottom of the pressing rod. The bottom of the rotating rod abuts against a piston that can move up and down. A spring is installed on the top of the bottom shell to hold the piston. The piston has a water pipe extending to the bottom shell. The outer side of the bottom shell has a drain hole and a water inlet hole respectively. The inner side of the bottom shell has a water outlet channel communicating with the water inlet hole. The outer side of the water pipe has a drain hole corresponding to the drain hole.
2. The push-button valve core for automatically draining residual water from the pipe according to claim 1, characterized in that: The piston is fitted with a first O-ring and a second O-ring on its outer side. The first O-ring is positioned above the drain hole, and the second O-ring is positioned below the drain hole.
3. The push-button valve core for automatically draining residual water from the pipe according to claim 1, characterized in that: A third O-ring is fitted on the outer side of the bottom of the water pipe.
4. The push-button valve core for automatically draining residual water from the pipe according to claim 1, characterized in that: A fourth O-ring is installed at the bottom of the bottom shell, a fifth O-ring is fitted on the outer side of the outer shell, and a sixth O-ring is fitted on the outer side of the bottom shell.
5. The push-button valve core for automatically draining residual water from the pipe according to claim 1, characterized in that: A seventh O-ring is provided at the connection between the outer shell and the bottom shell.
6. The push-button valve core for automatically draining residual water from the pipe according to claim 1, characterized in that: The top of the bottom shell is provided with a mounting groove for positioning and installing the spring.
7. The push-button valve core for automatically draining residual water from the pipe according to claim 1, characterized in that: The piston is provided with a stop plate against which the spring rests.
8. The push-button valve core for automatically draining residual water from the pipe according to claim 1, characterized in that: A protrusion is provided at the center of the bottom of the rotating rod.
9. The push-button valve core for automatically draining residual water from the pipe according to claim 1, characterized in that: The drainage holes are symmetrically distributed.
10. The push-button valve core for automatically draining residual water from the pipe according to claim 1, characterized in that: The upper part of the bottom shell is screwed to the bottom of the outer shell, and the piston is sleeved on the inner side of the bottom shell.