阅读说明：本技术 一种节能长寿命不渗水滴漏的自来水龙头阀芯 (Energy-saving long-life tap valve core free of water seepage and water leakage ) 是由 阳一鸣 于 2021-08-28 设计创作，主要内容包括：一种节能长寿命自来水龙头阀芯,包含阀门套筒、旋转杆、内弹簧、动阀片、定阀片、密封圈、密封衬垫组件组成。其特征在于旋转杆端头拨动叉底部的中心位置有个盲孔,孔里插入弹簧,弹簧端头装有耐磨头顶住动阀片,弹簧的反作用力使动阀片与定阀片保持恒定的紧密贴合,在长期正常使用下,即使因水的侵蚀以及动阀片与定阀片旋转摩擦有磨损,均能确保水龙头阀芯在关闭状态不产生渗漏滴漏。本发明设计科学严谨,技术简单成本低,却能实现水龙头阀芯的使用寿命达到或超过传统同类产品使用寿命的20倍。全社会都使用这类节能环保型阀芯产品,就能比较有效的提高高岭土、铜、陶土等等资源的使用效率,节约消耗性资源,有利国家可持续发展与碳中和计划。(An energy-saving long-life tap water faucet valve core comprises a valve sleeve, a rotary rod, an inner spring, a movable valve plate, a fixed valve plate, a sealing ring and a sealing gasket assembly. The valve is characterized in that a blind hole is formed in the center of the bottom of the poking fork at the end of the rotating rod, a spring is inserted into the blind hole, the end of the spring is provided with a wear-resistant head which props against the movable valve plate, the reactive force of the spring keeps the movable valve plate and the fixed valve plate in constant close fit, and even if the valve is abraded due to water erosion and the rotating friction between the movable valve plate and the fixed valve plate in long-term normal use, the valve core of the faucet can be ensured not to leak and drip in a closed state. The valve core of the water tap is scientific and precise in design, simple in technology and low in cost, and the service life of the valve core of the water tap can reach or exceed 20 times of that of the traditional similar products. The energy-saving and environment-friendly valve core product can be used in the whole society, the use efficiency of resources such as kaolin, copper, pottery clay and the like can be effectively improved, consumable resources are saved, and the energy-saving and environment-friendly valve core product is beneficial to the sustainable development and carbon neutralization plan of China.)

1. A long-life water tap valve core without water seepage and water leakage comprises a valve sleeve (1), a rotary rod (2), a device for generating constant force, a movable valve plate (3), a fixed valve plate (4), a sealing ring (5) and a sealing gasket (6); the method is characterized in that: the device for generating constant force is arranged in the valve core sleeve (1), and the device for generating constant force directly acts on the movable valve plate (3) and the fixed valve plate (4).

2. A drip-proof tap valve cartridge according to claim 1, characterized in that the end of the rotary lever (2) toggles a hole (2.2) in the center of the bottom of the fork, said means for generating a constant force being an internal spring (7); an inner spring (7) is arranged in the hole (2.2), the inner spring (7) is provided with a wear-resistant head (7.1), the wear-resistant head (7.1) props against the movable valve plate (3), and the movable valve plate (3) and the fixed valve plate (4) are kept in constant and close fit under the action of the rebound force of the inner spring (7); when the end of the rotating rod (2) toggles the fork to drive the movable valve plate (3) to rotate, the wear-resistant head (7.1) plays a role in eliminating direct abrasion of the inner spring (7) to the back of the movable valve plate (3).

3. A drip-proof tap cartridge as claimed in claim 1, wherein said means for generating a constant force is a permanent magnet ring (8); one permanent magnetic ring (8) is attached to the center of the front face of the movable valve plate (3), the other permanent magnetic ring is attached to the center of the back face of the fixed valve plate (4), the south magnetic poles and the north magnetic poles of the two permanent magnetic rings (8) are in positive correspondence, and the permanent magnetic attraction of the two permanent magnetic rings (8) interacts with each other to keep the movable valve plate (3) and the fixed valve plate (4) in constant and close fit.

4. The valve core of the tap water faucet without water seepage and water leakage also comprises a valve sleeve (1), a rotating rod (2), a device for generating constant force, a movable valve plate (3), a fixed valve plate (4), a sealing ring (5) and a sealing gasket (6); the device for generating constant force is arranged outside the valve core sleeve (1), and is characterized in that: the device for generating constant force comprises an elastic sheet (7.2) and an outer spring (7.3); the spring housing of outer spring (7.3) is in axle step (2.1) department of rotary rod (2), the centre bore of elastic sheet (7.2) embolias rotary rod (2) and pushes down outer spring (7.3), the two sides department of the hexagon nut platform of valve sleeve (1) is hung to the interior hook limit hook of elastic sheet (7.2) below symmetry, the produced invariable bounce power of outer spring (7.3) is used in axle step (2.1) department of rotary rod (2), stir the fork through the end of rotary rod (2) and conduct again in moving valve block (3), make moving valve block (3) and fixed valve block (4) keep invariable inseparable laminating.

Technical Field

The invention relates to a tap valve core, in particular to a tap valve core which has long service life and is free of water seepage and water leakage, and is suitable for the fields of household, commerce and public use.

Background

The invention discloses a tap valve core of a water tap with water seepage resistance, which is provided with the following technology according to patent application number 202010415417X and utility model application number ZL 2020208145851: the tap water tap valve core is composed of a valve core sleeve, a rotary rod, a spring, a permanent magnetic ring, a movable valve plate, a fixed valve plate, a sealing ring and a sealing gasket, and is characterized in that a device for generating constant force is arranged outside the valve core sleeve and on the rotary rod; two springs act on the valve core sleeve and the rotary rod or two permanent magnetic rings act on the rotary rod and the valve core sleeve to generate constant force. The constant force is indirectly transmitted to the movable valve plate through the rotating rod, so that the movable valve plate and the fixed valve plate are tightly attached, and when the valve plate is closed, the valve core of the water faucet can be ensured to be in a good closed state and prevent water seepage and water leakage. However, the two springs or the two permanent magnet rings are arranged on the rotating rod outside the valve core sleeve, so that a little more things are left, the appearance of the valve core is slightly changed from that of the traditional tap valve core, and the limited space inside the shell of the tap product is occupied.

Disclosure of Invention

The invention aims to provide a tap water faucet valve core which has long service life and is free from water seepage and water dripping, comprising: the valve core comprises a valve core sleeve, a rotating rod, a spring, a permanent magnetic ring, a movable valve plate, a fixed valve plate, a sealing ring and a sealing gasket, and is characterized in that the spring and the permanent magnetic ring in the device for generating constant force are arranged in the valve core sleeve and directly act on the movable valve plate and the fixed valve plate; the rotating rod is acted on the movable valve plate by constant force generated by an inner spring or two permanent magnetic rings, so that the movable valve plate and the fixed valve plate are kept in close fit, and when the valve plate is closed, the valve core of the water faucet is in a good closed state and does not leak water and water. The device generating constant force is arranged in the valve core sleeve in a concealed mode, and the appearance of the device is identical to the appearance and the size of a traditional faucet valve core product.

The first technical scheme is as follows: in the mechanical structure of the traditional water faucet valve core, an inner spring generating constant force is arranged in a valve core sleeve to enable a movable valve plate and a fixed valve plate to be kept in constant close fit. The method is that a blind hole is drilled at the center of the bottom of a poking fork at the end of a rotating rod, an inner spring is inserted into the blind hole, a wear-resistant head is arranged at the extension part of the inner spring, the wear-resistant head props against a movable valve plate, and the movable valve plate and a fixed valve plate are kept in constant and close fit under the action of the rebound force of the inner spring; when the end of the rotating rod toggles the fork to drive the movable valve plate to rotate, the wear-resistant head plays a role in eliminating direct abrasion of the inner spring to the back surface of the movable valve plate, and the normal service life of the valve core of the water faucet is ensured to be longer.

The second technical scheme is as follows: in the mechanical structure of the traditional water tap valve core, two permanent magnet rings which generate constant force are arranged in a valve core sleeve to enable a movable valve plate and a fixed valve plate to be kept in constant and close fit. The method is characterized in that north and south magnetic poles of two permanent magnet ring planes are opposite and are attached to the front surface of the movable valve plate and the back surface of the fixed valve plate, constant permanent magnet attraction force generated by different polarities of the permanent magnets acts on the movable valve plate and the fixed valve plate, the movable valve plate and the fixed valve plate are kept in a close attachment state, and the water faucet valve core is ensured not to leak and drip in a closed state.

The two technical schemes have the advantages that the device for generating constant force is arranged in the valve core sleeve in a concealed mode, the appearance of the device is completely the same as that of a traditional water faucet valve core product, no extra space requirement exists in future use and installation, and production cost is low.

The third technical scheme is as follows: according to the technical scheme provided by the invention patent application No. 202010415417X and the utility model application No. ZL2020208145851, the tap water faucet valve core without leakage is characterized in that two tension springs are symmetrically used as devices for generating constant force to act on a shaft step of a rotating rod and a hexagon bolt platform of a valve core sleeve, the constant mechanical force generated by the tension springs acts on the rotating rod and is indirectly transmitted to a movable valve plate through the rotating rod, the movable valve plate and the fixed valve plate are kept in constant and close fit, and the tap water faucet valve core is ensured not to generate leakage in a closed state.

The invention provides a new technical scheme for the method, which is characterized by comprising the following steps of; the spring ring of the outer spring is sleeved at the shaft step of the rotary rod, the central hole of the elastic sheet is sleeved into the rotary rod to press the outer spring, the lower reverse hook edges of the elastic sheet are hung at the bottom edges of two sides of the hexagonal nut platform of the valve sleeve, the constant rebound force generated by the outer spring acts on the shaft step of the rotary rod, the fork is stirred by the end of the rotary rod and then is transmitted to the movable valve sheet, the movable valve sheet and the fixed valve sheet are kept in constant close fit, and the valve core of the faucet is ensured not to generate leakage and water leakage in a closed state.

Drawings

FIG. 1 is a partial cross-sectional view of the inner spring installed within the spool sleeve.

Fig. 2 is an external view of the inner spring installed in the spool sleeve.

Fig. 3 is a partial cross-sectional view of the permanent magnet ring installed in the spool sleeve.

Fig. 4 is an appearance schematic diagram of a permanent magnet ring installed in a valve core sleeve.

FIG. 5 is a partial cross-sectional view of the outer spring mounted to the exterior of the spool sleeve.

Fig. 6 is an appearance schematic diagram of an external spring installed outside the valve core sleeve.

FIG. 7 is a schematic view of the relationship between the center hole of the rotating rod and the inner spring and wear head.

Detailed Description

FIG. 1 is a partial cross-sectional view of the inner spring installed within the spool sleeve. As shown in the figure, the valve core sleeve 1, the rotating rod 2, the movable valve plate 3, the fixed valve plate 4, the sealing ring 5 and the sealing gasket 6 are assembled in an axial concentric mode;

the sealing ring 5 is arranged in the rotating rod 2, the rotating rod 2 is arranged in the valve sleeve 1, and the sealing ring 5 plays a role in sealing the rotating rod 2 and the valve sleeve 1 at the inlet position of the valve sleeve 1. The poking fork at the end of the rotating rod 2 acts on the concave pit at the back edge of the movable valve plate 3 to rotate within 90 degrees. The blind hole 2.2 is arranged at the central position of the bottom of the poking fork at the end of the rotating rod 2, the inner spring 7 is inserted into the blind hole 2.2, the wear-resistant head 7.1 is inserted into the inner spring 7, the wear-resistant head 7.1 abuts against the movable valve plate 3, the rebound force generated after the length of the inner spring 7 is compressed acts on the movable valve plate 3 through the wear-resistant head 7.1, the movable valve plate and the fixed valve plate are kept tightly attached, and the sealing liner is arranged at the rear end of the valve sleeve to ensure that the valve core of the water faucet is not leaked in a closed state. The device generating constant force is hidden and arranged in the valve core sleeve, has the same appearance as the traditional valve core of the tap water faucet, and is completely the same with the installation and the use.

Fig. 2 is an external view of the inner spring installed in the spool sleeve. As shown in the figure, the device for generating constant force is hidden and arranged in the valve core sleeve, the appearance of the device is the same as that of the valve core of the traditional tap water faucet, and therefore, the device does not have the requirement of extra space for product use.

Fig. 3 is a partial cross-sectional view of the permanent magnet ring installed in the spool sleeve. As shown in the figure, the valve core sleeve 1, the rotating rod 2, the movable valve plate 3, the fixed valve plate 4, the sealing ring 5 and the sealing gasket 6 are assembled in an axial concentric mode.

The sealing ring 5 is arranged in the rotating rod 2, the rotating rod 2 is arranged in the valve sleeve 1, and the sealing ring 5 plays a role in sealing the rotating rod 2 and the valve sleeve 1 at the inlet position of the valve sleeve 1. The poking fork at the end of the rotating rod 2 acts on the concave pit at the back edge of the movable valve plate 3 to rotate within 90 degrees. The device for generating constant force is a permanent magnetic ring (8); one permanent magnetic ring (8) is attached to the center of the front face of the movable valve plate (3), the other permanent magnetic ring is attached to the center of the back face of the fixed valve plate (4), the south magnetic poles and the north magnetic poles of the two permanent magnetic rings (8) are in positive correspondence, and the permanent magnetic attraction of the two permanent magnetic rings (8) interacts with each other to keep the movable valve plate (3) and the fixed valve plate (4) in constant and close fit.

In addition, considering that the material of the permanent magnet ring 8 is expensive in practical application, the armature ring with the same size can be used for replacing the permanent magnet ring 8 to generate constant force in a matching way; the method is the same, namely a permanent magnet ring (8) is attached to the center of the front face of the movable valve plate (3), an armature ring is attached to the center of the back face of the fixed valve plate (4), the permanent magnet ring (8) is in positive correspondence with the armature ring, and the permanent magnetic force of the permanent magnet ring (8) attracts the armature ring, so that the movable valve plate (3) and the fixed valve plate (4) can be kept in constant close attachment.

Fig. 4 is an appearance schematic diagram of a permanent magnet ring installed in a valve core sleeve. As shown in the figure, the permanent magnetic ring of the device for generating constant force is concealed in the valve core sleeve, the appearance of the permanent magnetic ring is the same as that of the valve core of the traditional tap, so that the extra space requirement is not required for the use of products.

FIG. 5 is a partial cross-sectional view of the outer spring mounted to the exterior of the spool sleeve. As shown in the figure, the sealing ring 5 is installed in the rotating rod 2, the rotating rod 2 is installed in the valve sleeve 1, and the sealing ring 5 seals the rotating rod 2 and the valve sleeve 1 at the inlet position of the valve sleeve 1. The valve core sleeve 1, the elastic sheet 7.2, the outer spring 7.3, the rotating rod 2, the movable valve sheet 3, the fixed valve sheet 4, the sealing ring 5 and the sealing gasket 6 are assembled in an axial concentric mode, wherein the outer spring is stopped at the shaft step 2.1; sleeving a sealing ring 5 on a rotary rod 2 from the torsion handle direction of a shaft, then inserting the rotary rod 2 into a central shaft hole from the rear part of a valve core sleeve 1, aligning and assembling a movable valve plate 3 on a shifting fork of the rotary rod 2, aligning and assembling a fixed valve plate 4 and the movable valve plate 3 to be tightly attached, and finally embedding a sealing gasket 6 to finish assembly; the shifting fork of the rotating rod 2 is twisted by a hand to flexibly control the movable valve plate 3.

Fig. 6 is an appearance schematic diagram of an external spring installed outside the valve core sleeve. As shown in the figure, the device for generating constant force is arranged outside the valve core sleeve, the appearance of the device is slightly different from that of the traditional tap valve core, and the device has the requirement of extra space for accommodating the elastic sheet 7.2 when being used and arranged in a product.

FIG. 7 is a schematic view of the relationship between the center hole of the rotating rod and the inner spring and wear head. As shown in the figure, a hole (2.2) is formed in the center of the bottom of the poking fork at the end of the rotating rod (2), and a wear-resistant head (7.1) is installed on an inner spring (7) capable of generating constant force and is axially concentric with the blind hole (2.2).

Compared with the prior art, the water tap valve core product process technology has the advantages of more scientific and rigorous design thinking, simple technology and low production cost. According to the method, the service life of the valve core of the water faucet can reach or exceed more than 20 times of the service life of the traditional similar product by estimating from the measured wear data of the scrapped ceramic valve plate. The energy-saving environment-friendly valve core product is used in the whole society, the use efficiency of resources such as kaolin, copper, pottery clay and the like can be effectively improved on a macroscopic level, consumable resources are saved, and the national sustainable development and carbon neutralization plan is assisted.