CN209164702U - an angle valve - Google Patents

Abstract

The utility model provides a kind of angle valve, belongs to technical field of valve manufacturing.It solves the problems such as existing angle valve sealing is bad.This angle valve includes valve body, valve rod, ceramic cartridge and handwheel, the lower end of valve body is water inlet end, valve body-side has water outlet, the screw top of valve body, which is connected between pressure cap and valve body and pressure cap, is equipped with sealing ring, the inner end of valve rod is connected with ceramic cartridge, the outer end of valve rod is stretched out pressure cap and is fixedly connected with handwheel, pressure cap inner wall has step, valve rod has the flange collar of a circle radially protruding, valve stem sleeve is equipped with the washer between step and flange collar, valve rod is also arranged that there are two be sealed in the O-ring of pressure cap inner wall, valve rod also has the sealing of a circle radially protruding in the outer wall of flange collar, the inner wall of valve body has a circle radially protruding and clearance fit is in the bulge loop of sealing, filter structure is additionally provided in valve body.The utility model has many advantages, such as good airproof performance and has filtering function.

Description

an angle valve

technical field

The utility model belongs to the technical field of valve manufacturing, and relates to an angle valve.

Background technique

The angle valve is an angle globe valve. Because the pipeline is in the shape of a 90° corner at the angle valve, it is also called a triangle valve, an angle valve, and a angled water valve. The angle valve currently used in the market is basically a quick-opening angle valve, that is, a quick-opening ceramic valve core is set in the valve body to realize the quick opening or closing of the valve.

For example, Chinese patent literature discloses an angle valve [Application No.: 201711012067.7; Application Publication No.: 107559442A], which includes a valve body, and the valve body is provided with a water inlet connection port, a water outlet connection port and an assembly port, and the water inlet connection The circulation channel of the inner cavity of the nozzle intersects with the circulation channel of the inner cavity of the water outlet connection nozzle, and the assembly port is connected to the intersection of the inner cavity between the water inlet connection nozzle and the water outlet connection nozzle. A control mechanism for the flow of water from the nozzle to the water outlet connection nozzle. The control mechanism includes a static sheet and a surface-fit seal that are arranged in the inner cavity of the assembly port and cover the flow channel of the water inlet connection nozzle to form a fixed flow channel. The gland is used on the static piece to form a movable circulation channel and rotate and cooperate with the fixed circulation channel of the static piece to form a flow channel of different sizes. The fasteners that fix and position the moving plate and the static plate in the axial direction, and the valve stem, which is located in the enclosed cavity of the fastener and the moving plate and connected to the moving plate, is used to control the rotation of the moving plate and limit the radial movement of the moving plate. The outer end of the rod is provided with a driving mechanism for driving the valve rod to rotate.

The above-mentioned angle valve has good sealing and anti-leakage performance, but it has made a big change to the valve core, which increases the manufacturing cost. The sealing ring is set, but the sealing performance is still not ideal, and it does not have the filtering function, and the quality of the effluent is not good.

SUMMARY OF THE INVENTION

The purpose of the utility model is to provide an angle valve with good sealing performance and filtering function in view of the above problems existing in the prior art.

The purpose of the utility model can be achieved by the following technical solutions: an angle valve, including a valve body, a valve stem, a ceramic valve core and a handwheel, the lower end of the valve body is the water inlet end, and the side of the valve body has a water outlet The top of the valve body is screwed with a pressure cap and a sealing ring is arranged between the valve body and the pressure cap, the inner end of the valve stem is connected with the ceramic valve core, and the outer end of the valve stem extends out of the pressure cap and is connected with the hand The wheel is fixedly connected, and it is characterized in that the inner wall of the pressure cap has a step, the valve stem has a radially protruding convex ring, and the valve stem is sleeved with a groove located between the step and the convex ring. Gasket, the valve stem is also sleeved with two O-rings sealed on the inner wall of the pressure cap, the valve stem also has a radially protruding sealing portion on the outer wall of the convex ring, and the valve body The inner wall of the valve body is provided with a convex ring which radially protrudes and fits with the sealing part in a gap, and the valve body is also provided with a filter structure.

After the angle valve locks the pressure cap, the pressure cap compresses the sealing ring between the pressure cap and the valve body, and the pressure cap also compresses the gasket between the step and the convex ring, plus two O-rings. The sealing effect ensures the sealing between the valve stem and the pressure cap, between the pressure cap and the valve body, and will not leak water, and the setting of the sealing part and the convex ring can block the water flow, and the water flow will not impact the pressure cap, further The airtightness is ensured, and the filter structure enables the angle valve to have a filtering function, so that the quality of the effluent is good.

In the above-mentioned angle valve, the filter structure includes a through hole axially opened at the bottom end of the valve stem, the through hole is provided with a cylindrical filter screen, and the side of the valve stem is provided with a through hole. There are water passage holes connected to the through holes.

In the above-mentioned angle valve, the valve stem is axially provided with a cylindrical filter element, the inner end of the filter element extends into the through hole, and the outer wall of the filter element near the inner end has a A ring of concave limiting grooves, the filter screen is sleeved on the inner end of the filter element, and the filter screen has a limiting portion embedded in the limiting groove, and the filter element is embedded with at least two sealing The sealing ring of the inner wall of the valve stem, the outer end of the filter element is set out of the hand wheel.

In the above-mentioned angle valve, the inner wall of the valve stem close to the top end is threadedly connected with the filter element. In this way, the problem that the filter element is flushed out of the valve stem by excessive water pressure is avoided, and the use stability is good.

In the above-mentioned angle valve, the top outer wall of the filter element has a ring of radially protruding protrusions, the top of the handwheel has a mounting groove for accommodating the protrusions, and the filter element The top of the sub is provided with a cross slot or a slot or a hexagonal hole. The installation groove of the handwheel makes the protruding part not obtrusive, and the appearance is beautiful. The protruding part can hold the handwheel tightly to prevent the handwheel from loosening due to long-term use. child, making the operation easy.

As another situation, in the above-mentioned angle valve, the filter structure includes a filter element located in the water inlet end, the filter element includes a stainless steel sleeve embedded in the inner wall of the water inlet end, the One end of the stainless steel sleeve is welded with a filter screen that covers this end.

In the above-mentioned angle valve, a circlip is embedded in the inner wall of the water inlet end of the valve body, a copper ring is arranged between the circlip and the ceramic valve core, and the bottom of the copper ring is clamped by the circlip. The top of the copper ring is in contact with the bottom of the ceramic valve core, and the outer wall of the copper ring is embedded with a sealing sleeve.

In the above-mentioned angle valve, the valve body is sleeved with a decorative cover on the outer wall of the water inlet end, and the decorative cover is embedded with a rubber ring sealed on the outer wall of the valve.

Compared with the prior art, the angle valve has good sealing performance, good waterproof and leak-proof effect, long service life, and has a filtering function, so that the quality of the effluent is good.

Description of drawings

Fig. 1 is a sectional view of the structure of the angle valve.

In the figure, 1. valve body; 1a, water inlet end; 1b, water outlet end; 1c, convex ring; 2, valve stem; 2a, convex ring; 2b, sealing part; 2c, through hole; 2d, water passage hole; 3. Ceramic valve core; 4. Hand wheel; 5. Pressure cap; 5a, Step; 6. Sealing ring; 7. Gasket; 8. O-ring; 9. Filter screen; 9a, Limiting part; 10. Filter element 10a, protruding part; 11, sealing ring; 12, circlip; 13, copper ring; 14, sealing sleeve; 15, decorative cover; 16, rubber ring.

Detailed ways

The following are specific embodiments of the present utility model combined with the accompanying drawings to further describe the technical solutions of the present utility model, but the present utility model is not limited to these embodiments.

As shown in Figure 1, the angle valve includes a valve body 1, a valve stem 2, a ceramic valve core 3 and a handwheel 4. The lower end of the valve body 1 is a water inlet end 1a, the side of the valve body 1 has a water outlet end 1b, and the valve body The top of 1 is screwed with a pressure cap 5 and a sealing ring 6 is arranged between the valve body 1 and the pressure cap 5, the inner end of the valve stem 2 is connected with the ceramic valve core 3, and the outer end of the valve stem 2 extends out of the pressure cap 5 and It is fixedly connected with the handwheel 4, the inner wall of the pressure cap 5 has a step 5a, the valve stem 2 has a radially protruding convex ring 2a, and the valve stem 2 is sleeved with a gasket 7 located between the step 5a and the convex ring 2a, The valve stem 2 is also sleeved with two O-rings 8 which are sealed on the inner wall of the pressure cap 5, the valve stem 2 also has a radially protruding sealing portion 2b on the outer wall of the convex ring 2a, and the inner wall of the valve body 1 has a radially protruding sealing portion 2b. The ring protrudes radially and fits with the convex ring 1c of the sealing portion 2b in a clearance fit. The valve body 1 is also provided with a filter structure.

In further detail, in this embodiment, the filter structure includes a through hole 2c axially opened at the bottom end of the valve stem 2, a cylindrical filter screen 9 is arranged in the through hole 2c, and a through hole is opened on the side of the valve stem 2. In the water passage hole 2d of 2c, the valve rod 2 is axially provided with a cylindrical filter element 10, the inner end of the filter element 10 extends into the through hole 2c, and the outer wall of the filter element 10 close to the inner end has a circle of concave holes. The filter screen 9 is sleeved on the inner end of the filter element 10, and the filter screen 9 has a limit portion 9a embedded in the limit groove. The sealing ring 11, the outer end of the filter element 10 protrudes from the hand wheel 4, the inner wall of the valve rod 2 near the top end is threadedly connected with the filter element 10, and the outer wall of the top end of the filter element 10 has a ring of radially protruding protrusions 10a, the top of the handwheel 4 is provided with a mounting groove for accommodating the protruding portion 10a, and the top of the filter element 10 is provided with a cross groove. The water enters from the through hole 2c at the bottom of the valve body 1, and the filter screen 9 filters the impurities and dirt in the water, and then the filtered water flows into the water outlet 1b from the water passage hole 2d, so as to realize the water outlet with good water quality. The filter element 10 can be pulled out together with the filter screen 9, the impurities and dirt on the filter screen 9 can be cleaned, and then the filter element 10 and the cleaned filter screen 9 can be loaded again to ensure the quality of the effluent.

A circlip 12 is embedded in the inner wall of the water inlet end 1a of the valve body 1, a copper ring 13 is arranged between the circlip 12 and the ceramic valve core 3, the bottom of the copper ring 13 is supported by the circlip 12, and the top of the copper ring 13 touches the top A sealing sleeve 14 is embedded in the outer wall of the copper ring 13 at the bottom of the ceramic valve core 3 . The arrangement of the circlip 12 and the copper ring 13 makes the positioning of the ceramic valve core 3 stable, the rubber sleeve of the ceramic valve core 3 ensures the sealing between it and the inner wall of the water inlet 1a, and the sealing sleeve 14 makes the copper ring 13 and the water inlet end. The sealing between the inner walls of 1a is good, which has a double sealing effect, eliminating the possibility of water backflow from the outside of the copper ring 13 and the ceramic valve core 3, and the water is powerful; the valve body 1 is provided with a decorative cover 15 on the outer wall of the water inlet 1a. The decorative cover 15 is embedded with a rubber ring 16 which is sealed on the outer wall of the valve body 1. The decorative cover 15 shields the connection of the water inlet 1a, which makes the appearance beautiful and plays a protective role to avoid leakage caused by foreign objects hitting the water inlet 1a. .

Contents not described in detail in this specification belong to the prior art known to those skilled in the art. The specific embodiments described herein are merely illustrative of the spirit of the present invention. Those skilled in the art of the present invention can make various modifications or supplements to the described specific embodiments or replace them in similar ways, but will not deviate from the spirit of the present invention or go beyond the appended claims the defined range.

Claims (8)

1. An angle valve, comprising a valve body (1), a valve stem (2), a ceramic valve core (3) and a handwheel (4), the lower end of the valve body (1) being the water inlet end (1a) , the side of the valve body (1) has a water outlet (1b), the top of the valve body (1) is threadedly connected with a pressure cap (5), and a sealing ring (6) is provided between the valve body (1) and the pressure cap (5). ), the inner end of the valve stem (2) is connected with the ceramic valve core (3), and the outer end of the valve stem (2) extends out of the pressure cap (5) and is fixedly connected with the handwheel (4). The inner wall of the pressure cap (5) has a step (5a), the valve stem (2) has a radially protruding convex ring (2a), and the valve stem (2) is sleeved with The gasket (7) located between the step (5a) and the convex ring (2a), the valve stem (2) is also sleeved with two O-rings (8) sealed on the inner wall of the pressure cap (5), so The valve stem (2) also has a radially protruding sealing portion (2b) on the outer wall of the convex ring (2a), and the inner wall of the valve body (1) has a radially protruding ring and clearance fit. On the convex ring (1c) of the sealing part (2b), the valve body (1) is also provided with a filter structure. 2. An angle valve according to claim 1, characterized in that the filter structure comprises a through hole (2c) axially opened at the bottom end of the valve stem (2), and the through hole (2c) A cylindrical filter screen (9) is provided inside, and the side part of the valve stem (2) is provided with a water passage hole (2d) which is communicated with the through hole (2c). 3 . The angle valve according to claim 2 , wherein the valve stem ( 2 ) is axially provided with a cylindrical filter element ( 10 ), and the filter element ( 10 ) The inner end of the filter element (10) extends into the through hole (2c), and the outer wall of the filter element (10) near its inner end has a circle of concave limiting grooves, and the filter screen (9) is sleeved on the filter element (10). On the inner end and the filter screen (9) has a limit portion (9a) embedded in the limit groove, the filter element (10) is embedded with at least two sealing rings (11) sealed on the inner wall of the valve stem (2). ), the outer end of the filter element (10) extends out of the hand wheel (4) to set. 4 . The angle valve according to claim 3 , wherein the inner wall of the valve stem ( 2 ) near the top end is threadedly connected with the filter element ( 10 ). 5 . 5 . The angle valve according to claim 4 , wherein the outer wall of the top end of the filter element ( 10 ) has a circle of radially protruding protrusions ( 10 a ), and the hand wheel (4) The top has an installation groove for accommodating the protruding part (10a), and the top of the filter element (10) is provided with a cross groove or a straight groove or a hexagonal hole. 6 . The angle valve according to claim 1 , wherein the filter structure comprises a filter element located in the water inlet end ( 1 a ), and the filter element comprises a filter element embedded in the water inlet end ( 1 a ). 7 . ) stainless steel sleeve on the inner wall, one end of the stainless steel sleeve is welded with a filter screen (9) that covers this end. 7. An angle valve according to any one of claims 1 to 6, wherein the valve body (1) is provided with a retaining spring (12) embedded in the inner wall of the water inlet end (1a), and the A copper ring (13) is arranged between the circlip (12) and the ceramic valve core (3), the bottom of the copper ring (13) is supported by the circlip (12), and the top of the copper ring (13) is in contact with the At the bottom of the ceramic valve core (3), a sealing sleeve (14) is embedded in the outer wall of the copper ring (13). 8 . The angle valve according to claim 7 , wherein the valve body ( 1 ) is sleeved with a decorative cover ( 15 ) on the outer wall of the water inlet end ( 1 a ), and the decorative cover ( 15 ). ) is embedded with a rubber ring (16) sealed on the outer wall of the valve body (1).