CN213808981U

CN213808981U - Ball valve driven by high-sealing planet wheel

Info

Publication number: CN213808981U
Application number: CN202022920242.6U
Authority: CN
Inventors: 陈恩良; 林贤红
Original assignee: Taizhou Rida Valve Co ltd
Current assignee: Taizhou Rida Valve Co ltd
Priority date: 2020-12-08
Filing date: 2020-12-08
Publication date: 2021-07-27
Anticipated expiration: 2030-12-08

Abstract

The utility model relates to the technical field of valve machinery, and aims to provide a high-sealing ball valve driven by planet wheels, thereby solving the problem of poor sealing performance and filtering effect in the operation of the existing ball valve driven by planet wheels, the technical proposal is that the ball valve comprises a valve body, the valve body is provided with a water inlet flow passage and a water outlet flow passage, the connecting end of the water outlet flow passage and the valve body is provided with an accommodating cavity, the accommodating cavity is provided with a water outlet interface and a cartridge filter mounting port, the accommodating cavity is communicated with the water outlet flow passage, a filtering component is arranged in the accommodating cavity, the valve rod is arranged in the passage I in a penetrating way, the outer side of the part of the valve rod which is not arranged in the valve core in the penetrating way is provided with a groove, an O-shaped sealing ring is arranged in the groove, the O-shaped sealing ring comprises a sealing ring body and a sealing protective sleeve, a plurality of sealing flaps are integrally formed on the sealing protective sleeve, the sealing protective sleeve is fixedly connected with the outer ring of the sealing ring body, the sealing ring body comprises a rubber protective ring, the outer wall of the rubber protective ring is sleeved with a supporting protective sleeve, and elastic supporting frames are uniformly distributed in the supporting protective sleeve.

Description

Ball valve driven by high-sealing planet wheel

Technical Field

The utility model belongs to the technical field of valve class machinery, refer in particular to a high sealed planet wheel driven ball valve.

Background

Ball valve class part is widely used in present each industry, and the rate of utilization is the highest in all valve class parts, and the ball valve has simple structure, fluid resistance is little, characteristics such as leakproofness height, extensively uses in various fluid control, but the ball valve often all is quick on-off, can not the precision limitation liquid flow, in order to reach the effect of the liquid flow of precision limitation body, has now developed a novel ball valve, as the content that patent number 201920193733X disclosed, but its still has following defect: the sealing performance in the ball valve is poor, and the leakage rate and the failure reporting rate are improved; and the fluid in the existing pipeline inevitably contains impurities, but the existing ball valve has no filtering effect, cannot remove the impurities and dirt in the fluid medium, and cannot keep the conveying pipeline clean and smooth.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a driven ball valve of high sealed planet wheel.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a driven ball valve of high sealed planet wheel, includes the valve body, water inlet channel, play water flow channel have been seted up to the valve body, be equipped with the case that control fluid flows between water inlet channel and the play water flow channel, passageway I has been seted up to the valve body upper end, passageway I wears to be equipped with length and extends to the inside valve rod of case, the upper end of valve rod is connected with controlling means, controlling means includes casing, sun gear, a plurality of planet wheel, ring gear, the sun gear is rotatable to be set up in the casing, planet wheel and sun gear meshing, ring gear and planet wheel meshing just fix the cover with the central axis and establish on sun gear, the valve rod with casing fixed connection, characterized by: the valve comprises a valve body, a water outlet flow passage, a valve rod, a sealing protective sleeve, a water outlet port, a filter cartridge mounting port, a water outlet flow passage, a filter assembly, a valve rod, a sealing protective sleeve and a supporting protective sleeve, wherein the connecting end of the water outlet flow passage and the valve body is provided with the containing cavity, the containing cavity is communicated with the water outlet flow passage and is internally provided with the filter assembly, the valve rod is arranged in the passage I in a penetrating manner and does not penetrate through the outer side of the partial valve rod inside the valve core, an O-shaped sealing ring is arranged in the groove and comprises a sealing ring body and a sealing protective sleeve, the sealing protective sleeve is integrally formed on the sealing protective sleeve and is fixedly connected to the outer ring of the sealing ring body, the sealing ring body comprises a rubber protective ring, the outer wall of the rubber protective ring is sleeved with the supporting protective sleeve, and elastic support frames are uniformly distributed in the supporting protective sleeve.

The utility model discloses further set up to: the elastic support frame is a polyamide support frame, and the sealing flaps are uniformly distributed on two sides of the sealing protective sleeve in an equal number.

The utility model discloses further set up to: the filter component comprises a filter cartridge, a cylindrical filter element is installed in the filter cartridge, and a plurality of water outlets are formed in the axial side face of the filter cartridge, which is installed in the containing cavity.

The utility model discloses further set up to: the cylindrical filter element is formed by sleeving a central tube with a plurality of circulation holes, a filter screen layer I, a carbon fiber filter material layer, a filter screen layer II and a net cover from inside to outside in sequence.

The utility model discloses further set up to: and the outer opening end of the filter cartridge mounting opening is provided with a filter cartridge mounting opening cover which is matched with the filter cartridge mounting opening cover.

The utility model discloses further set up to: the water inlet flow passage is provided with internal threads, and the side end of the water inlet flow passage close to the valve core is provided with an inner hexagon nut.

The utility model discloses further set up to: and a rubber dustproof sleeve is arranged between the channel I and the control device and surrounds the valve rod.

The utility model discloses further set up to: the filter cartridge is integrally in the shape of a cylindrical container.

By adopting the technical scheme, the planet wheel transmission ball valve improves the sealing property, reduces leakage, reduces the failure reporting rate and provides a stable and efficient working environment; the planet wheel transmission ball valve adopts the design of a filtering component to improve the filtering effect, so that impurities and dirt in a fluid medium are removed, and the cleanness and smoothness of a conveying pipeline are kept.

Drawings

Fig. 1 is a cross-sectional view of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1;

FIG. 3 is a cross-sectional view of the cylindrical cartridge of FIG. 1B-B;

FIG. 4 is a top view of the control device of FIG. 1;

in the drawings: 1 valve body, 2 valve cores, 3 water inlet flow passages, 4 water outlet flow passages, 5 passages I, 6 valve rods, 7 shells, 8 sun gears, 9 planet wheels, 10 gear rings, 11 containing cavities, 12 water outlet interfaces, 13 filter cartridge mounting ports, 14 'O' type sealing rings, 15 sealing protective sleeves, 16 rubber protective rings, 17 supporting protective sleeves, 18 elastic supporting frames, 19 rubber dustproof sleeves, 20 sealing flaps, 21 filter cartridges, 22 cylindrical filter cores, 23 central tubes, 24 circulation holes, 25 filter screen layers I, 26 carbon fiber filter material layers, 27 filter screen layers II, 28 screen sleeves, 29 filter cartridge mounting ports and 30 water outlet holes.

Detailed Description

The invention is further described in the following with reference to fig. 1 to 4 in a specific embodiment:

according to the structure, the ball valve with the high-sealing planetary gear transmission comprises a valve body 1, a water inlet flow passage 3 and a water outlet flow passage 4 are formed in the valve body 1, a valve core 2 for controlling fluid to flow is arranged between the water inlet flow passage 3 and the water outlet flow passage 4, a passage I5 is formed in the upper end of the valve body 1, the passage I5 penetrates through a valve rod 6 with the length extending to the inside of the valve core 2, the upper end of the valve rod 6 is connected with a control device, the control device comprises a shell 7, a sun gear 8, a plurality of planetary gears 9 and a gear ring 10, the sun gear 8 is rotatably arranged in the shell 7, the planetary gears 9 are meshed with the sun gear 8, the gear ring 10 is meshed with the planetary gears 9 and fixedly sleeved on the sun gear 8 with the central axis, and the valve rod 6 is fixedly connected: the valve comprises a valve body 1, a water outlet flow channel 4, a filter assembly, a valve rod 6, a sealing protective sleeve 15 and a rubber protective ring 16, wherein the connecting end of the water outlet flow channel 4 and the valve body 1 is provided with an accommodating cavity 11, the accommodating cavity 11 is provided with a water outlet port 12 and a filter cartridge mounting port 13, the accommodating cavity 11 is communicated with the water outlet flow channel 4 and is provided with the filter assembly inside the accommodating cavity 11, the valve rod 6 is arranged in a channel I5 in a penetrating mode and is not arranged outside a part of the valve rod inside the valve core 2 in a penetrating mode and is provided with a groove, the groove is internally provided with the O-shaped sealing ring 14, the O-shaped sealing ring 14 comprises a sealing ring body and the sealing protective sleeve 15, the sealing protective sleeve 15 is integrally formed with a plurality of sealing flaps 20, the sealing protective sleeve 15 is fixedly connected to the outer ring of the sealing ring body, the sealing ring body comprises the rubber protective ring 16, a supporting protective sleeve 17 is sleeved on the outer wall of the rubber protective ring 16, and elastic supporting frames 18 are uniformly distributed in the supporting protective sleeve 17.

As optional implementation mode, be equipped with filter equipment in the ball valve, improved the filter effect, sealing member in the ball valve adopts "O" type sealing washer, "O" type sealing washer adopts the multilayer setting to improve the leakproofness with this, and the sealing washer body can be protected in the design of sealing protective sheath, reduces the wearing and tearing of long-term work back "O" type sealing washer, and sealing protective sheath and sealing lamella combined action have strengthened sealed laminating degree, and the design of elastic support frame can protect "O" type sealing washer when receiving external extrusion, avoids permanent deformation, and the resilience of rubber protection circle is good, can let "O" type sealing washer laminating recess when receiving the extrusion, strengthens the compactness of laminating.

As can be seen from the above structure, the elastic supporting frame 18 is a polyamide supporting frame, and the sealing flaps 20 are uniformly and equally distributed on both sides of the sealing protective sleeve 15.

As an optional implementation mode, the sealing flaps can be attached to the grooves to achieve a sealing effect when being impacted, four sealing flaps are uniformly and equally distributed on two sides of the sealing protective sleeve to ensure the attaching tightness, and the elastic supporting frame is made of polyamide supporting frames, is good in toughness and resistant to bending and is used for keeping the integral integrity of the O-shaped sealing ring and avoiding permanent deformation when being used for a long time.

According to the structure, the filter assembly comprises the filter cartridge 21, the cylindrical filter element 22 is installed in the filter cartridge 21, and the axial side face, in which the filter cartridge 21 is installed in the cavity 11, of the filter assembly is provided with the water outlet holes 30.

As an optional implementation mode, the design of the cylindrical filter element and the filter cylinder is adopted, fluid enters the filter cylinder through the water outlet flow channel and flows out of the water outlet hole in the filter cylinder through the filtering of the cylindrical filter element, the contact area of the fluid and the filter is increased, the filtering efficiency is improved, and the secondary pollution of the filtered fluid is avoided.

The structure shows that the cylindrical filter element 22 is formed by sleeving a central tube 23 with a plurality of flow holes 24, a filter screen layer I25, a carbon fiber filter material layer 26, a filter screen layer II 27 and a net cover 28 from inside to outside in sequence.

As an optional implementation mode, the cylindrical filter element adopts a multilayer design, fluid is filtered layer by layer under the condition that the flow rate of the fluid is not influenced, the filtering effect is enhanced, impurities and dirt in a fluid medium are removed, the air blockage phenomenon is reduced due to the design of the circulation hole, the filter screen, the carbon fiber and the net sleeve, and the cylindrical filter element is protected.

It can be seen from the above structure that the outer opening end of the filter cartridge mounting opening 13 is provided with a filter cartridge mounting opening cover 29 to match with the outer opening end.

As an optional implementation mode, the design of the mounting opening cover of the filter cartridge can facilitate the mounting, dismounting and replacing of the filter cartridge, facilitate production operation and also facilitate the cleaning of impurities and dirt accumulated on the filter cartridge after long-term operation.

According to the structure, the water inlet channel 3 is provided with internal threads, and the side end, close to the valve core, of the water inlet channel 3 is provided with the inner hexagon nut.

As an optional implementation mode, the sealing of the valve core is enhanced through the matching of the internal threads on the water inlet flow channel and the inner hexagon nut, and meanwhile, fluid enters the valve core through the inner hexagon nut, so that the impact of the over-high flow speed on the valve core during water inlet is relieved.

As can be seen from the above structure, a rubber dustproof sleeve 19 is arranged between the channel I5 and the control device and surrounds the valve rod 6.

As an optional implementation mode, the design of the rubber dustproof sleeve can prevent external dust from entering the channel I through the gap, and abrasion to the valve body is reduced.

As can be seen from the above structure, the filter cartridge 21 has a cylindrical container shape as a whole.

As an alternative embodiment, the filter cartridge cylinder design reduces wear from fluid impingement and increases filter area.

The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A high-sealing ball valve driven by planet wheels comprises a valve body (1), wherein a water inlet flow channel (3) and a water outlet flow channel (4) are formed in the valve body (1), a valve core (2) for controlling fluid to flow is arranged between the water inlet flow channel (3) and the water outlet flow channel (4), a channel I (5) is formed in the upper end of the valve body (1), a valve rod (6) with the length extending to the interior of the valve core (2) penetrates through the channel I (5), the upper end of the valve rod (6) is connected with a control device, the control device comprises a shell (7), a sun gear (8), a plurality of planet wheels (9) and a gear ring (10), the sun gear (8) is rotatably arranged in the shell (7), the planet wheels (9) are meshed with the sun gear (8), the gear ring (10) is meshed with the planet wheels (9) and fixedly sleeved on the sun gear (8) along with the central axis, the valve rod (6) is fixedly connected with the shell (7), and is characterized in that: the connecting end of the water outlet flow passage (4) and the valve body (1) is provided with an accommodating cavity (11), the accommodating cavity (11) is provided with a water outlet connector (12) and a cartridge filter mounting port (13), the accommodating cavity (11) is communicated with the water outlet flow passage (4), a filter assembly is arranged in the accommodating cavity (11), the valve rod (6) is arranged in the passage I (5) in a penetrating manner, a groove is formed in the outer side of the part of the valve rod which is not arranged in the valve core (2) in the penetrating manner, an O-shaped sealing ring (14) is arranged in the groove, the O-shaped sealing ring (14) comprises a sealing ring body and a sealing protective sleeve (15), a plurality of sealing flaps (20) are integrally formed on the sealing protective sleeve (15), the sealing protective sleeve (15) is fixedly connected to the outer ring of the sealing ring body, the sealing ring body comprises a rubber protective ring (16), and a support (17) is sleeved on the outer wall of the rubber protective ring (16), elastic support frames (18) are uniformly distributed in the support protective sleeve (17).

2. The ball valve of claim 1, wherein the ball valve comprises: the elastic support frame (18) is a polyamide support frame, and the sealing flaps (20) are uniformly distributed on two sides of the sealing protective sleeve (15) in an equal number.

3. The ball valve of claim 2, which is characterized in that: the filter assembly comprises a filter cartridge (21), a cylindrical filter element (22) is installed in the filter cartridge (21), and a plurality of water outlets (30) are formed in the axial side face, installed in the cavity (11), of the filter cartridge (21).

4. The high-sealing planetary-gear-transmission ball valve as claimed in claim 3, wherein: the cylindrical filter element (22) is formed by sleeving a central tube (23) with a plurality of circulation holes (24), a filter screen layer I (25), a carbon fiber filter material layer (26), a filter screen layer II (27) and a net cover (28) from inside to outside in sequence.

5. The ball valve of claim 4, which is characterized in that: and the outer opening end of the filter cartridge mounting opening (13) is provided with a filter cartridge mounting opening cover (29) matched with the filter cartridge mounting opening cover.

6. The ball valve of claim 5, which is characterized in that: the water inlet flow passage (3) is provided with internal threads, and the side end, close to the valve core, of the water inlet flow passage (3) is matched with an inner hexagon nut.

7. The ball valve of claim 6, which is characterized in that: and a rubber dustproof sleeve (19) is arranged between the channel I (5) and the control device around the valve rod (6).

8. The ball valve of claim 7, which is characterized in that: the filter cartridge (21) is integrally in the shape of a cylindrical container.