阅读说明：本技术 一种防外漏自密封阀门 (Anti-leakage self-sealing valve ) 是由 樊瑞庆 于 2019-10-29 设计创作，主要内容包括：本发明公开了一种防外漏自密封阀门,属于阀门领域,包括阀壳和阀座,所述阀座的顶部固定安装有阀壳,所述阀壳的外部通过转轴转动安装有转盘,所述阀座的外部固定安装有支撑外圈,所述阀座的两端分别固定安装有进水管与出水管,所述阀壳的顶面内壁上通过轴套转动安装有连接轴,所述连接轴的底部固定安装有阀杆,所述连接轴的外部固定安装有锥齿轮a,所述转轴一端穿过延伸至阀壳的内部固定安装有锥齿轮b,所述阀杆的底端穿过延伸至阀座的内部固定安装有阀芯,所述阀芯的外部粘接固定有密封外套,所述进水管的内部安装有安装框；本发明具备有效地自密封效果,具备进水过滤功能,避免阀门堵塞,使用效果好。(The invention discloses an external leakage prevention self-sealing valve, which belongs to the field of valves and comprises a valve shell and a valve seat, wherein the top of the valve seat is fixedly provided with the valve shell, the outside of the valve shell is rotatably provided with a rotary table through a rotary shaft, the outside of the valve seat is fixedly provided with a support outer ring, the two ends of the valve seat are respectively and fixedly provided with a water inlet pipe and a water outlet pipe, the inner wall of the top surface of the valve shell is rotatably provided with a connecting shaft through a shaft sleeve, the bottom of the connecting shaft is fixedly provided with a valve rod, the outside of the connecting shaft is fixedly provided with a bevel gear a, one end of the rotary shaft penetrates through the inside of the valve shell and is fixedly provided with a bevel gear b, the bottom end of the valve rod penetrates through; the self-sealing water filter has an effective self-sealing effect, has a water inlet filtering function, avoids valve blockage, and has a good use effect.)

1. The utility model provides a prevent outer hourglass self sealss valve, includes valve casing (3) and disk seat (7), its characterized in that: the top fixed mounting of disk seat (7) has valve casing (3), the outside of valve casing (3) is rotated through pivot (11) and is installed carousel (5), the outside fixed mounting of disk seat (7) has support outer lane (2), the both ends difference fixed mounting of disk seat (7) has inlet tube (1) and outlet pipe (6), rotate through the axle sleeve on the top surface inner wall of valve casing (3) and install connecting axle (9), the bottom fixed mounting of connecting axle (9) has valve rod (8), the outside fixed mounting of connecting axle (9) has bevel gear a (10), pivot (11) one end is passed the inside fixed mounting who extends to valve casing (3) and is had bevel gear b (12), the inside fixed mounting that the bottom of valve rod (8) passed and extends to disk seat (7) has case (15), the outside bonding of case (15) is fixed with sealed overcoat (14), the inside mounting of inlet tube (1) has installing frame (19), connecting hole (16) have been seted up on the outer wall of inlet tube (1), the inside demountable installation of installing frame (19) has filter screen (18).

2. The leak-proof self-sealing valve as claimed in claim 1, wherein: and wear-resistant material layers (4) are arranged on the outer surfaces of the valve shell (3) and the valve seat (7).

3. The leak-proof self-sealing valve as claimed in claim 1, wherein: the bevel gear a (10) and the bevel gear b (12) are in meshed connection through gears.

4. The leak-proof self-sealing valve as claimed in claim 1, wherein: and a liquid through cavity (13) is formed in the valve seat (7).

5. The leak-proof self-sealing valve as claimed in claim 1, wherein: the mounting frame (19) is connected with the connecting hole (16) through a connecting screw through a mounting sheet (17) mounted on the top of the mounting frame.

6. The leak-proof self-sealing valve as claimed in claim 1, wherein: eight connecting holes (16) are regularly arranged on the circumference.

Technical Field

The invention belongs to the technical field of valves, and particularly relates to an anti-leakage self-sealing valve.

Background

Valves are plumbing accessories used to open and close a pipe, control flow direction, regulate and control parameters of the transport medium (temperature, pressure and flow). According to their function, they can be classified into shut-off valves, check valves, regulating valves, and the like. The valve is a control part in a fluid conveying system and has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like.

The traditional valve has no sealing structure added on the inner valve core, so that a small amount of liquid can be leaked even when the valve is closed, and effective improvement is needed.

Disclosure of Invention

The invention aims to provide an anti-leakage self-sealing valve to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the anti-leakage self-sealing valve comprises a valve casing and a valve seat, wherein the top of the valve seat is fixedly provided with the valve casing, the outside of the valve shell is rotatably provided with a turntable through a rotating shaft, the outside of the valve seat is fixedly provided with a supporting outer ring, a water inlet pipe and a water outlet pipe are respectively and fixedly arranged at the two ends of the valve seat, a connecting shaft is rotatably arranged on the inner wall of the top surface of the valve shell through a shaft sleeve, a valve rod is fixedly arranged at the bottom of the connecting shaft, a bevel gear a is fixedly arranged outside the connecting shaft, one end of the rotating shaft penetrates through the valve shell and extends to the inside of the valve shell to be fixedly provided with a bevel gear b, the bottom end of the valve rod penetrates through the valve seat and extends to the inside of the valve seat to be fixedly provided with a valve core, a sealing outer sleeve is fixedly bonded outside the valve core, an installation frame is arranged inside the water inlet pipe, the outer wall of the water inlet pipe is provided with a connecting hole, and a filter screen is detachably arranged in the mounting frame.

Adopt above-mentioned scheme, install this valve at the assigned position, in operation, when needing to seal up in the valve, people can directly rotate the carousel, the carousel drives bevel gear b through the pivot and rotates, bevel gear b passes through gear engagement with bevel gear a and is connected, can drive bevel gear a from this and rotate, it rotates to drive the connecting axle, the connecting axle drives the valve rod and rotates, the valve rod drives the case and rotates, the sealed overcoat of case can closely laminate with the inside gap of valve, accomplish the effective sealing to the valve automatically, the condition of leaking outside liquid has been avoided, when intaking, the filter screen can effectively filter liquid, filter some impurity particulate matters in the liquid, avoid the impurity particulate matter to lead to the fact the condition of jam in to the valve.

In the above-described aspect, the sealing cover is made of a resin material, and the resin material is an elastic sealing material.

In a preferred embodiment, the valve housing and the valve seat are provided with a layer of wear resistant material on their outer surfaces.

Adopt above-mentioned scheme, what the wear-resistant material layer adopted can be the polyurethane material, and the wear-resistant material layer can effectively promote the surface wearability of valve casing and disk seat, difficult wearing and tearing.

In a preferred embodiment, the bevel gear a and the bevel gear b are in meshed connection through gears.

By adopting the scheme, when the rotary disc is rotated, the rotary disc can drive the bevel gear b to rotate through the rotating shaft, the bevel gear b is connected with the bevel gear a through gear meshing, the bevel gear a can be driven to rotate from the rotating shaft, the connecting shaft is driven to rotate, the connecting shaft drives the valve rod to rotate, the valve rod drives the valve core to rotate, and the automatic sealing of the liquid through cavity is completed.

As a preferred embodiment, a liquid through cavity is formed inside the valve seat.

By adopting the scheme, water can flow through the liquid through cavity.

In a preferred embodiment, the mounting frame is connected with the connecting hole through a connecting screw by a mounting piece mounted on the top of the mounting frame.

By adopting the scheme, the mounting frame can be fixedly mounted in the water inlet pipe and cannot be moved out easily.

As a preferred embodiment, the connecting holes are regularly provided with eight holes in the circumference.

By adopting the scheme, the installation sheet of the installation frame is provided with a plurality of installation positions through the plurality of connection holes, and the installation is convenient.

Compared with the prior art, the invention has the beneficial effects that:

according to the anti-leakage self-sealing valve, the sealing outer sleeve is additionally arranged on the valve core, when the valve core is closed, the sealing outer sleeve of the valve core can be tightly attached to a gap in the valve, so that the valve is automatically and effectively sealed, and the liquid leakage is avoided;

the detachable filter screen is mounted at the water inlet pipe outlet of the anti-leakage self-sealing valve, so that liquid can be effectively filtered by the filter screen in the infusion process, impurity particles in the liquid are filtered, and the condition that the impurity particles block the valve is avoided;

this prevent outer hourglass self sealss valve installs closed carousel on the horizontal direction, and when the switching valve door, people's both hands can carry out the application of force in vertical direction, and easily application of force easily carries out the switching operation, and is convenient laborsaving to the valve.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a partial cross-sectional view of the valve seat of the present invention from above;

fig. 4 is a side view of the inlet pipe of the present invention.

In the figure: 1. a water inlet pipe; 2. a support outer ring; 3. a valve housing; 4. a wear resistant material layer; 5. a turntable; 6. a water outlet pipe; 7. a valve seat; 8. a valve stem; 9. a connecting shaft; 10. a bevel gear a; 11. a rotating shaft; 12. a bevel gear b; 13. a liquid cavity is communicated; 14. sealing the outer sleeve; 15. a valve core; 16. connecting holes; 17. mounting a sheet; 18. a filter screen; 19. and (5) installing the frame.

Detailed Description

The present invention will be further described with reference to the following examples.

The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention. The conditions in the embodiments can be further adjusted according to specific conditions, and simple modifications of the method of the present invention based on the concept of the present invention are within the scope of the claimed invention.

The invention provides an anti-leakage self-sealing valve, please refer to fig. 1-4, which comprises a valve casing 3 and a valve seat 7, wherein the valve casing 3 is fixedly installed at the top of the valve seat 7, and a wear-resistant material layer 4 (see fig. 1) is arranged on the outer surfaces of the valve casing 3 and the valve seat 7; the wear-resistant material layer 4 can be made of polyurethane, and the wear-resistant material layer 4 can effectively improve the wear resistance of the outer surfaces of the valve shell 3 and the valve seat 7 and is not easy to wear.

A rotary table 5 is rotatably mounted outside the valve shell 3 through a rotating shaft 11, a supporting outer ring 2 is fixedly mounted outside the valve seat 7, and a liquid through cavity 13 (see fig. 1 and 2) is formed in the valve seat 7; water can flow through the aeration chamber 13.

A water inlet pipe 1 and a water outlet pipe 6 are fixedly installed at two ends of a valve seat 7 respectively, a connecting shaft 9 is rotatably installed on the inner wall of the top surface of a valve casing 3 through a shaft sleeve, a valve rod 8 is fixedly installed at the bottom of the connecting shaft 9, a valve core 15 is fixedly installed at the bottom end of the valve rod 8 after penetrating through the inside of the valve seat 7, a bevel gear a10 is fixedly installed outside the connecting shaft 9, a bevel gear b12 is fixedly installed at one end of a rotating shaft 11 after penetrating through the inside of the valve casing 3, and the bevel gear a10 and the bevel gear b12 are; when the rotary disk 5 is rotated, the rotary disk can drive the bevel gear b12 to rotate through the rotating shaft 11, the bevel gear b12 is connected with the bevel gear a10 through gear engagement, the bevel gear a10 can be driven to rotate from this, the connecting shaft 9 is driven to rotate, the connecting shaft 9 drives the valve rod 8 to rotate, the valve rod 8 drives the valve core 15 to rotate, through changing the angle between the cross section of the valve core 15 and the liquid through cavity 13, thereby controlling the circulation of the liquid through cavity 13, when the cross section of the valve core 15 and the liquid through cavity 13 is overlapped, the liquid through cavity 13 can be closed, and the opening and closing work of the valve is.

A sealing outer sleeve 14 (shown in figure 2) is fixedly bonded on the outer part of the valve core 15; by arranging the sealing outer sleeve 14 outside the valve core 15, when the valve core 15 rotates to coincide with the cross section of the liquid through cavity 13, the sealing outer sleeve 14 is utilized to seal the valve core 15 and the inner wall of the liquid through cavity 13, and leakage can be avoided when the valve is closed.

The mounting frame 19 is arranged in the water inlet pipe 1, and the mounting frame 19 is connected with the connecting hole 16 through a connecting screw by a mounting sheet 17 arranged at the top of the mounting frame (see fig. 4); the mounting frame 19 can be fixedly mounted inside the water inlet pipe 1 and cannot be easily moved out.

The outer wall of the water inlet pipe 1 is provided with connecting holes 16, and the connecting holes 16 are regularly and circumferentially provided with eight (see figure 4); the plurality of coupling holes 16 allow the mounting piece 17 of the mounting frame 19 to have a plurality of mounting positions, thereby facilitating mounting.

In addition, the inside demountable installation of installing frame 19 has filter screen 18, through setting up detachable filter screen 18, can filter the water that flows in logical sap cavity 13 through the filter screen, thereby avoid debris to get into and lead to the valve blockage in leading to logical sap cavity 13, and simultaneously, when debris are too much to influence the valve circulation and need clear up on filter screen 18, can take off installation piece 17 and inlet tube 1's connecting screw, directly take off installing frame 19, make the link of filter screen 18 break away from installing frame 19 couple, take off filter screen 18, thereby clear up filter screen 18, and the clearance is convenient.

When using, install this valve in the assigned position, in operation, when needing to seal in the valve, people can directly rotate carousel 5, carousel 5 drives bevel gear b12 through pivot 11 and rotates, bevel gear b12 passes through gear engagement with bevel gear a10 and is connected, can drive bevel gear a10 and rotate from this, it rotates to drive connecting axle 9, connecting axle 9 drives valve rod 8 and rotates, valve rod 8 drives case 15 and rotates, the sealed overcoat 14 of case 15 can closely laminate with the inside gap of valve, accomplish the effective seal to the valve automatically, when needing to open this valve, then reverse rotation carousel 5 can, when intaking, filter screen 18 can effectively filter liquid, filter some foreign particles in the liquid.

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.