阅读说明：本技术 一种具有防水功能的便捷型蝶阀 (Convenient butterfly valve with waterproof function ) 是由 李彩华 于 2019-09-05 设计创作，主要内容包括：本发明涉及一种具有防水功能的便捷型蝶阀,包括阀体、蝶板、阀杆、第一轴承和旋转杆,还包括泄压机构和防水机构,所述泄压机构包括驱动组件和两个泄压组件,所述泄压组件包括第二轴承、转杆、盖板和堵块,所述防水机构包括支板、保护罩、固定组件和四个支杆,该具有防水功能的便捷型蝶阀通过防水机构,实现防水的功能,避免旋转杆被雨雪腐蚀,减小了损坏的几率,通过泄压机构,减小蝶板两侧的液体压力差,使得蝶阀开启压力较小。(The invention relates to a convenient butterfly valve with a waterproof function, which comprises a valve body, a butterfly plate, a valve rod, a first bearing, a rotary rod, a pressure relief mechanism and a waterproof mechanism, wherein the pressure relief mechanism comprises a driving assembly and two pressure relief assemblies, each pressure relief assembly comprises a second bearing, a rotary rod, a cover plate and a blocking block, and the waterproof mechanism comprises a support plate, a protective cover, a fixing assembly and four support rods.)

1. The convenient butterfly valve with the waterproof function comprises a valve body (1), a butterfly plate (2), a valve rod (3), a first bearing and a rotary rod (4), wherein a through hole is formed in the valve body (1), the first bearing is fixed on one side, close to the through hole, of the valve body (1), one end of the valve rod (3) is fixedly connected with the rotary rod (4), the other end of the valve rod (3) penetrates through the through hole to be arranged inside the valve body (1), the other end of the valve rod (3) is fixedly connected with the butterfly plate (2), the butterfly plate (2) is arranged inside the valve body (1), and the butterfly plate (2) is matched with the valve body (1) and is characterized by further comprising a pressure release mechanism and a waterproof mechanism, wherein the waterproof mechanism is arranged above the valve body (1) and is arranged on the butterfly plate (2);

the pressure relief mechanism comprises a driving assembly and two pressure relief assemblies, the driving assembly is arranged inside the valve rod (3), the two pressure relief assemblies are respectively arranged on two sides of the valve rod (3), two pressure relief holes are formed in the butterfly plate (2), the pressure relief holes correspond to the pressure relief assemblies one by one, two sides of the valve rod (3) are provided with through holes, and the through holes correspond to the pressure relief assemblies one by one;

the pressure relief assembly comprises a second bearing, a rotating rod (10), a cover plate (11) and a blocking block (12), the second bearing is fixed on the inner wall of one side, close to the through hole, of the valve rod (3), one end of the rotating rod (10) is fixedly connected with the inner ring of the second bearing, the other end of the rotating rod (10) penetrates through the through hole to be arranged outside the valve rod (3), the other end of the rotating rod (10) is fixedly connected with the cover plate (11), the cover plate (11) is covered on the pressure relief hole, the blocking block (12) is fixed on one side, close to the butterfly plate (2), of the cover plate (11), and the blocking block (12) is arranged in the pressure relief hole;

waterproof mechanism includes extension board (15), safety cover (16), fixed subassembly and four branch (14), the top at valve body (1) is fixed through four branch (14) respectively in the four corners of the below of extension board (15), be equipped with the opening on extension board (15), the one end of keeping away from butterfly plate (2) of valve rod (3) passes the opening, rotary rod (4) set up the top at extension board (15), safety cover (16) support and lean on the top at extension board (15), one side and extension board (15) of safety cover (16) are articulated, fixed subassembly sets up the opposite side at safety cover (16), rotary rod (4) set up the inside at safety cover (16).

2. The portable butterfly valve with a waterproof function according to claim 1, wherein the driving assembly includes a rotary disk (5), a support shaft (6), a third bearing, and a transmission unit, a fitting hole is formed at one side of the valve rod (3) near one end of the rotary rod (4), one end of the support shaft (6) is fixedly connected to the rotary disk (5), the other end of the support shaft (6) passes through the fitting hole and is disposed inside the valve rod (3), the third bearing is fixed to an inner wall of the valve rod (3) at a side far from the fitting hole, the other end of the support shaft (6) is fixedly connected to an inner ring of the third bearing, the transmission unit is disposed between the two pressure relief assemblies, and the support shaft (6) is connected to the rotary rod (10) through the transmission unit.

3. The butterfly valve with waterproof function in a portable manner according to claim 2, wherein the transmission unit comprises a transmission rod (9), a belt (7) and two driving wheels (8), wherein two ends of the transmission rod (9) are fixedly connected with one end of the rotating rod (10) far away from the cover plate (11), the transmission rod (9) and the rotating rod (10) are coaxially arranged, the two driving wheels (8) are fixedly connected with the transmission rod (9) and the supporting shaft (6), and the two driving wheels (8) are connected through the belt (7).

4. The portable butterfly valve with waterproof function according to claim 3, wherein said disk (5) is provided with anti-slip patterns.

5. The butterfly valve with waterproofing function according to claim 1, wherein the shape of the block (12) is conical.

6. The butterfly valve with waterproofing function in accordance with claim 1, wherein the cover plate (11) is provided with a sealing gasket (13) on the side close to the butterfly plate (2).

7. The butterfly valve with waterproof function according to claim 1, wherein the fixing assembly comprises a fixing unit and a fixing block (17), a strip-shaped opening is formed above the support plate (15), the fixing block (17) is fixedly connected with the protection cover (16), the fixing block (17) is arranged inside the strip-shaped opening, a notch is formed in one side of the fixing block (17) far away from the rotating rod (4), the fixing unit is arranged on one side of the fixing block (17) close to the notch, the fixing unit comprises a fixing plate (18), a fixing rod (21), a spring (20) and a limiting rod (19), the fixing plate (18) is fixed above the support plate (15), one end of the limiting rod (19) is horizontally fixed on one side of the fixing plate (18) close to the protection cover (16), and the fixing rod (21) is L-shaped, the one end of dead lever (21) is equipped with the aperture, the other end of gag lever post (19) passes the aperture, the aperture matches with gag lever post (19), the inside of the other end embedding notch of dead lever (21), the both ends of spring (20) are connected with fixed plate (18) and dead lever (21) respectively, spring (20) are in compression state.

8. The butterfly valve with waterproofing function according to claim 7, wherein the shape of the small hole is a square.

9. The butterfly valve with waterproof function according to claim 8, wherein the fixing unit further comprises a limiting plate (22), and an end of the limiting rod (19) far away from the fixing plate (18) is fixedly connected to the limiting plate (22).

10. The butterfly valve with waterproofing function according to claim 1, wherein the protection cover (16) is coated with an anti-corrosion zinc coating.

Technical Field

The invention relates to the field of valves, in particular to a convenient butterfly valve with a waterproof function.

Background

A butterfly valve, also called a flap valve, is a regulating valve with simple structure, and can be used for the on-off control of low-pressure pipeline media, namely a valve which is opened and closed by rotating around a valve shaft, wherein a closing member (a valve clack or a butterfly plate) is a disk.

The opening and closing of the existing butterfly valve generally drives the butterfly plate to rotate through the rotation of the rotary rod to realize the opening and closing functions, the acting force of a fluid medium needs to be overcome in the opening and closing process, the opening and closing difficulty is large, moreover, the rotary rod of the existing butterfly valve is generally exposed outside, the rotary rod is easily corroded by rain and snow, the damage probability is increased, and the practicability of the butterfly valve is reduced.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, the convenient butterfly valve with the waterproof function is provided.

The technical scheme adopted by the invention for solving the technical problems is as follows: a convenient butterfly valve with a waterproof function comprises a valve body, a butterfly plate, a valve rod, a first bearing and a rotary rod, wherein a through hole is formed in the valve body, the first bearing is fixed on one side, close to the through hole, of the valve body, one end of the valve rod is fixedly connected with the rotary rod, the other end of the valve rod penetrates through the through hole and is arranged inside the valve body, the other end of the valve rod is fixedly connected with the butterfly plate, the butterfly plate is arranged inside the valve body, the butterfly plate is matched with the valve body, the convenient butterfly valve further comprises a pressure relief mechanism and a waterproof mechanism, the waterproof mechanism is arranged above the valve body, and the pressure relief mechanism is arranged on the butterfly plate;

the pressure relief mechanism comprises a driving assembly and two pressure relief assemblies, the driving assembly is arranged inside the valve rod, the two pressure relief assemblies are respectively arranged on two sides of the valve rod, two pressure relief holes are formed in the butterfly plate and correspond to the pressure relief assemblies one by one, two sides of the valve rod are provided with through holes, and the through holes correspond to the pressure relief assemblies one by one;

the pressure relief assembly comprises a second bearing, a rotating rod, a cover plate and a blocking block, the second bearing is fixed on the inner wall of one side, close to the through hole, of the valve rod, one end of the rotating rod is fixedly connected with the inner ring of the second bearing, the other end of the rotating rod penetrates through the through hole to be arranged outside the valve rod, the other end of the rotating rod is fixedly connected with the cover plate, the cover plate is covered on the pressure relief hole, the blocking block is fixed on one side, close to the butterfly plate, of the cover plate, and the blocking block is arranged in the pressure relief hole;

the waterproof mechanism comprises a support plate, a protective cover, a fixing assembly and four support rods, four corners of the lower portion of the support plate are fixed to the upper portion of the valve body through the four support rods respectively, an opening is formed in the support plate, one end, far away from the butterfly plate, of the valve rod penetrates through the opening, the rotary rod is arranged above the support plate, the protective cover is abutted to the upper portion of the support plate, one side of the protective cover is hinged to the support plate, the fixing assembly is arranged on the other side of the protective cover, and the rotary rod is arranged inside the protective.

As preferred, in order to make the pressure release subassembly work, drive assembly includes carousel, back shaft, third bearing and drive unit, one side of the one end that is close to the rotary rod of valve rod is equipped with the pilot hole, the one end and the carousel fixed connection of back shaft, the other end of back shaft passes the pilot hole and sets up the inside at the valve rod, the third bearing is fixed on the inner wall of the one side of keeping away from the pilot hole of valve rod, the other end of back shaft and the inner circle fixed connection of third bearing, drive unit sets up between two pressure release subassemblies, the back shaft passes through drive unit and is connected with the rotary rod.

Preferably, in order to drive the rotating rod to rotate, the transmission unit comprises a transmission rod, a belt and two driving wheels, two ends of the transmission rod are fixedly connected with one end, far away from the cover plate, of the rotating rod respectively, the transmission rod and the rotating rod are coaxially arranged, the two driving wheels are fixedly connected with the transmission rod and the supporting shaft respectively, and the two driving wheels are connected through the belt.

Preferably, in order to facilitate the rotation of the turntable, the turntable is provided with anti-skid grains.

Preferably, in order to facilitate the insertion of the block into the pressure relief hole, the block is conical in shape.

Preferably, a gasket is provided on a side of the cover plate adjacent to the butterfly plate to improve sealing performance.

As preferred, in order to facilitate opening or locking the protective cover, the fixing component comprises a fixing unit and a fixing block, a strip-shaped opening is arranged above the supporting plate, the fixing block is fixedly connected with the protective cover, the fixing block is arranged in the strip-shaped opening, a notch is arranged on one side, far away from the rotary rod, of the fixing block, the fixing unit is arranged on one side, close to the notch, of the fixing block, the fixing unit comprises a fixing plate, a fixing rod, a spring and a limiting rod, the fixing plate is fixed above the supporting plate, one end of the limiting rod is horizontally fixed on one side, close to the protective cover, of the fixing plate, the fixing rod is L-shaped, a small hole is formed in one end of the fixing rod, the other end of the limiting rod penetrates through the small hole, the small hole is matched with the limiting rod, the other, the spring is in a compressed state.

Preferably, the shape of the small hole is square in order to make the fixing rod more stable when moving.

Preferably, in order to avoid the separation of the fixing rod and the limiting rod, the fixing unit further comprises a limiting plate, and one end of the limiting rod, which is far away from the fixing plate, is fixedly connected with the limiting plate.

Preferably, in order to prolong the service life of the protective cover, the protective cover is coated with an anti-corrosion zinc coating.

The convenient butterfly valve with the waterproof function has the advantages that the waterproof function is realized through the waterproof mechanism, the rotary rod is prevented from being corroded by rain and snow, the probability of damage is reduced, compared with the existing waterproof mechanism, the waterproof mechanism is good in waterproof effect, the safety of the butterfly valve is improved, the liquid pressure difference between the two sides of the butterfly plate is reduced through the pressure relief mechanism, the opening pressure of the butterfly valve is smaller, and compared with the existing pressure relief mechanism, the pressure relief mechanism is convenient to operate and high in practicability.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural diagram of a portable butterfly valve with waterproof function according to the present invention;

FIG. 2 is a side view of the portable butterfly valve with water protection of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 1;

FIG. 4 is an enlarged view of portion B of FIG. 1;

in the figure: 1. the valve comprises a valve body, 2 parts of a butterfly plate, 3 parts of a valve rod, 4 parts of a rotating rod, 5 parts of a rotating disc, 6 parts of a supporting shaft, 7 parts of a belt, 8 parts of a driving wheel, 9 parts of a driving rod, 10 parts of a rotating rod, 11 parts of a cover plate, 12 parts of a blocking block, 13 parts of a sealing gasket, 14 parts of a supporting rod, 15 parts of a supporting plate, 16 parts of a protective cover, 17 parts of a fixed block, 18 parts of a fixed plate, 19 parts of a limiting rod, 20 parts of a spring, 21 parts of.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

As shown in fig. 1, a convenient butterfly valve with a waterproof function comprises a valve body 1, a butterfly plate 2, a valve rod 3, a first bearing and a rotary rod 4, wherein a through hole is formed in the valve body 1, the first bearing is fixed on one side, close to the through hole, of the valve body 1, one end of the valve rod 3 is fixedly connected with the rotary rod 4, the other end of the valve rod 3 penetrates through the through hole and is arranged inside the valve body 1, the other end of the valve rod 3 is fixedly connected with the butterfly plate 2, the butterfly plate 2 is arranged inside the valve body 1, the butterfly plate 2 is matched with the valve body 1, and the butterfly valve further comprises a pressure relief mechanism and a waterproof mechanism, the waterproof mechanism is arranged above the valve body 1, and the pressure relief mechanism is arranged on the butterfly;

this convenient type butterfly valve with waterproof function passes through waterproof mechanism, realizes waterproof function, avoids rotary rod 4 to be corroded by sleet, has reduced the probability of damage, through pressure release mechanism, reduces the hydraulic pressure difference of 2 both sides of butterfly plate for butterfly valve opening pressure is less.

The pressure relief mechanism comprises a driving assembly and two pressure relief assemblies, the driving assembly is arranged inside the valve rod 3, the two pressure relief assemblies are respectively arranged on two sides of the valve rod 3, two pressure relief holes are formed in the butterfly plate 2 and correspond to the pressure relief assemblies one by one, two sides of the valve rod 3 are provided with through holes, and the through holes correspond to the pressure relief assemblies one by one;

the pressure relief assembly comprises a second bearing, a rotating rod 10, a cover plate 11 and a blocking block 12, the second bearing is fixed on the inner wall of one side, close to the through hole, of the valve rod 3, one end of the rotating rod 10 is fixedly connected with the inner ring of the second bearing, the other end of the rotating rod 10 penetrates through the through hole and is arranged outside the valve rod 3, the other end of the rotating rod 10 is fixedly connected with the cover plate 11, the cover plate 11 covers the pressure relief hole, the blocking block 12 is fixed on one side, close to the butterfly plate 2, of the cover plate 11, and the blocking block 12 is arranged in the pressure relief hole;

when the butterfly valve needs to be opened, the driving assembly is firstly considered to work, the rotating rod 10 is driven to rotate, the cover plate 11 rotates towards the direction far away from the butterfly plate 2, the blocking block 12 moves out of the pressure relief hole, fluid media flow out of the pressure relief hole, the liquid pressure on two sides of the butterfly plate 2 is reduced, the opening force of the butterfly valve is greatly reduced, and the convenience for opening the butterfly valve is improved.

Waterproof mechanism includes extension board 15, safety cover 16, fixed subassembly and four branch 14, the four corners of the below of extension board 15 is fixed in the top of valve body 1 through four branch 14 respectively, be equipped with the opening on the extension board 15, the opening is passed to the one end of keeping away from butterfly plate 2 of valve rod 3, rotary rod 4 sets up in the top of extension board 15, safety cover 16 supports and leans on in the top of extension board 15, one side of safety cover 16 is articulated with extension board 15, fixed subassembly sets up the opposite side at safety cover 16, rotary rod 4 sets up the inside at safety cover 16.

Shelter from rotary rod 4 through safety cover 16, make sleet unable and rotary rod 4 contact, the probability that rotary rod 4 corrodes has been reduced, thereby the probability that rotary rod 4 damaged has been reduced, the security of butterfly valve has been improved, when the butterfly valve is opened and close to needs, artificial messenger fixes the subassembly work, make fixed subassembly no longer restrict the position of safety cover 16, convenient to use person rotates safety cover 16, make rotary rod 4 expose, convenient to use person controls opening and close of butterfly valve through rotating rotary rod 4.

Preferably, in order to make the pressure relief assembly work, the driving assembly includes carousel 5, back shaft 6, third bearing and drive unit, one side of the one end that is close to rotary rod 4 of valve rod 3 is equipped with the pilot hole, the one end and the carousel 5 fixed connection of back shaft 6, the other end of back shaft 6 passes the pilot hole and sets up the inside at valve rod 3, the third bearing is fixed on the inner wall of one side of keeping away from the pilot hole of valve rod 3, the other end of back shaft 6 and the inner circle fixed connection of third bearing, the drive unit sets up between two pressure relief assemblies, back shaft 6 passes through the drive unit and is connected with rotary rod 10.

Preferably, in order to drive the rotating rod 10 to rotate, the transmission unit comprises a transmission rod 9, a belt 7 and two driving wheels 8, two ends of the transmission rod 9 are fixedly connected with one end, far away from the cover plate 11, of the rotating rod 10 respectively, the transmission rod 9 and the rotating rod 10 are arranged coaxially, the two driving wheels 8 are fixedly connected with the transmission rod 9 and the supporting shaft 6 respectively, and the two driving wheels 8 are connected through the belt 7.

When the butterfly valve needs to be opened, the rotary disc 5 is manually rotated firstly, the supporting shaft 6 is driven to rotate, the driving wheel 8 fixedly connected with the rotary disc is driven to rotate, the belt 7 drives the other driving wheel 8 to rotate, the transmission rod 9 is driven to rotate, the rotating rod 10 is driven to rotate, the cover plate 11 is driven to rotate towards the direction far away from the butterfly plate 2, the blocking block 12 is moved out of the pressure relief hole, fluid media flow out of the pressure relief hole, the liquid pressure on two sides of the butterfly plate 2 is reduced, the opening force of the butterfly valve is greatly reduced, and the convenience for opening the butterfly valve is improved.

Preferably, in order to facilitate the rotation of the rotating disc 5, the rotating disc 5 is provided with anti-skid lines.

Preferably, the shape of the slug 12 is conical in order to facilitate the insertion of the slug 12 into the relief hole.

Preferably, a gasket 13 is provided on the side of the cover plate 11 close to the butterfly plate 2 to improve the sealing performance.

Preferably, in order to open or lock the protection cover 16, the fixing assembly includes a fixing unit and a fixing block 17, a strip-shaped opening is arranged above the support plate 15, the fixing block 17 is fixedly connected with the protection cover 16, the fixing block 17 is arranged inside the strip-shaped opening, a notch is arranged on one side, away from the rotary rod 4, of the fixing block 17, the fixing unit is arranged on one side, close to the notch, of the fixing block 17, the fixing unit includes a fixing plate 18, a fixing rod 21, a spring 20 and a limiting rod 19, the fixing plate 18 is fixed above the support plate 15, one end of the limiting rod 19 is horizontally fixed on one side, close to the protection cover 16, of the fixing plate 18, the fixing rod 21 is in an L shape, a small hole is arranged at one end of the fixing rod 21, the other end of the limiting rod 19 penetrates through the small hole, the small hole is matched, the two ends of the spring 20 are respectively connected with the fixing plate 18 and the fixing rod 21, and the spring 20 is in a compressed state.

When the butterfly valve is opened and close to needs, artificial drive dead lever 21 is to the direction removal that is close to fixed plate 18, compression spring 20 simultaneously, make dead lever 21 break away from with the notch, make dead lever 21 no longer restrict the position of fixed block 17, the convenient to use person rotates safety cover 16, make rotary rod 4 expose, the convenient to use person rotates rotary rod 4 and realizes the function of opening and close the butterfly valve, after work is accomplished, artificial make safety cover 16 rotate, make fixed block 17 imbed in the bar, dead lever 21 is set aside again, restoring force through spring 20, make dead lever 21 to the direction removal that is close to fixed block 17, make the inside of dead lever 21 embedding notch, realize the function of fixed safety cover 16, shelter from sleet through safety cover 16, avoid sleet corruption rotary rod 4, the security of butterfly valve has been.

Preferably, the shape of the small hole is square in order to make the fixing rod 21 more stable when moving.

The shape of the small hole is set to be square, so that the fixed rod 21 cannot shake when moving along the limiting rod 19, and the stability of the fixed rod 21 when moving is improved.

Preferably, in order to avoid the separation of the fixing rod 21 and the limiting rod 19, the fixing unit further includes a limiting plate 22, and one end of the limiting rod 19 far away from the fixing plate 18 is fixedly connected to the limiting plate 22.

Through setting up limiting plate 22, restricted the distance that dead lever 21 moved on gag lever post 19, avoided dead lever 21 and gag lever post 19 to break away from, influence fixed subassembly work.

Preferably, to extend the useful life of the protective cover 16, the protective cover 16 is coated with a corrosion resistant zinc coating.

The rotary rod 4 is shielded by the protective cover 16, so that rain and snow can not contact with the rotary rod 4, the corrosion probability of the rotary rod 4 is reduced, the damage probability of the rotary rod 4 is reduced, the safety of the butterfly valve is improved, when the butterfly valve needs to be opened and closed, the fixing component is artificially driven to work, the fixing rod 21 is artificially driven to move towards the direction close to the fixing plate 18, meanwhile, the spring 20 is compressed, the fixing rod 21 is separated from the notch, the position of the fixing block 17 is not limited by the fixing rod 21, a user can conveniently rotate the protective cover 16, the rotary rod 4 is exposed, the user can conveniently rotate the rotary rod 4 to realize the function of opening and closing the butterfly valve, when the butterfly valve needs to be opened, the rotary disc 5 is artificially rotated to drive the support shaft 6 to rotate, the driving wheel 8 fixedly connected with the rotary disc to rotate, the other driving wheel 8, make apron 11 to the direction rotation of keeping away from butterfly plate 2 for sprue 12 shifts out the pressure release hole, makes fluid medium flow out from pressure release hole department, thereby reduces the fluid pressure of butterfly plate 2 both sides, greatly reduced the power of opening of butterfly valve, improved the convenience of opening the butterfly valve.

Compared with the prior art, this convenient type butterfly valve with waterproof function passes through waterproofing mechanism, realizes waterproof function, avoids rotary rod 4 to be corroded by sleet, has reduced the probability of damage, compares with current waterproofing mechanism, and this waterproofing mechanism water-proof effects is good, has improved the security of butterfly valve, through pressure release mechanism, reduces the fluid pressure difference of 2 both sides of butterfly plate for the butterfly valve opening pressure is less, compares with current pressure release mechanism, and this pressure release mechanism simple operation, the practicality is high.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.