CN210950059U

CN210950059U - Pressure reducing valve

Info

Publication number: CN210950059U
Application number: CN201921827183.9U
Authority: CN
Inventors: 楚延飞
Original assignee: Shanghai Mingxu Hardware Products Co ltd
Current assignee: Shanghai Mingxu Hardware Products Co ltd
Priority date: 2019-10-25
Filing date: 2019-10-25
Publication date: 2020-07-07
Anticipated expiration: 2029-10-25

Abstract

The utility model relates to the technical field of valves, and a depressurization valve is disclosed, including protecting sheathing, water pipe and flange, the outer wall fixed connection of protecting sheathing and water pipe, protecting sheathing's outer wall activity joint has the rotation cover, protecting sheathing's outer wall is provided with fixing device and is located the position on rotation cover right side, protecting sheathing's inside is provided with controlling means and is located the position of rotating the cover, controlling means passes through the inner wall fixed connection of support and rotation cover. This step-down valve sets up fixed slot, dead lever, fixed baseplate and handle, through the cooperation between fixed slot and the dead lever, will rotate and overlap and fix between the fixed baseplate, prevents to rotate the cover and take place to rotate, has improved the device's stability, sets up the breakwater, and the valve is stepped down to general inner spring piston type relatively, and the valve step-down does not receive the influence of temperature and time, strong adaptability to hydraulic control range is big.

Description

Pressure reducing valve

Technical Field

The utility model relates to the technical field of valves, specifically a pressure reducing valve.

Background

The general pressure reducing valve is only a simple internal spring piston type pressure reducing valve, pressure is adjusted through the rigidity of the spring, however, the rigidity of the spring can be changed along with the change of temperature and time, so that the pressure reducing stability is low, the adjustable range of the general pressure reducing valve is small, and the use limitation is large.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a step-down valve has solved the problem that general step-down valve step-down stability is low and the step-down scope is little.

(II) technical scheme

For the purpose of realizing the stability of above-mentioned improvement pressure reduction valve and step-down scope, the utility model provides a following technical scheme: the utility model provides a step-down valve, includes protecting sheathing, water pipe and flange, the outer wall fixed connection of protecting sheathing and water pipe, protecting sheathing's outer wall activity joint has the rotation cover, protecting sheathing's outer wall is provided with fixing device in the position that is located rotation cover right side, protecting sheathing's inside is provided with controlling means in the position that is located rotation cover, controlling means passes through the support and rotates the inner wall fixed connection of cover, water pipe and controlling means's lateral wall fixed connection, controlling means's one end and flange fixed connection are kept away from to the water pipe.

Preferably, the control device comprises a connecting base, a fixing block, a first bearing, a first connecting pile, a water baffle, a second bearing, a second connecting pile, a gear, a connecting ring, a tooth socket, a clamping groove and a clamping block, the connecting base is fixedly connected with the water pipe, the fixing block is arranged in the connecting base and is located at the middle position, the side wall of the fixing block is rotatably connected with the first connecting pile through the first bearing at the middle position, one end of the fixing block, far away from the first connecting pile, is fixedly connected with the inner side wall of the water baffle, the outer side wall of the water baffle is fixedly connected with the second connecting pile, one end of the second connecting pile, far away from the water baffle, penetrates through the side wall of the connecting base and extends to the right side of the connecting base, the second connecting pile is rotatably connected with the side wall of the connecting base through the second bearing, one end of the second connecting pile, extending out of the connecting base, the draw-in groove is seted up at connection base's outer wall and is located the position that is close to the top, fixture block and draw-in groove activity joint, the one end that the draw-in groove was kept away from to the fixture block and the inner wall of go-between and be located the position fixed connection who is close to the top, the tooth's socket is seted up in the bottom of go-between, through the cooperation between first connecting pile, breakwater, second connecting pile and the go-between, drives the go-between and rotates when rotating the cover and rotate, and the connecting ring drives the gear and rotates, and the gear drives the breakwater through the second connecting pile and adjusts water.

Preferably, fixing device includes fixed slot, dead lever, fixed baseplate, slip opening and handle, fixed slot sets up and is located the outside position of protecting sheathing at the lateral wall of rotation cover, fixed baseplate and protecting sheathing's outer wall fixed connection, the one end activity of dead lever cup joints the inside at fixed baseplate, the one end fixedly connected with spring at the inside of fixed baseplate is cup jointed in the dead lever activity, the one end that fixed baseplate was kept away from to the dead lever stretches into fixed slot's inside, the slip opening sets up at fixed baseplate's top, the handle joint will rotate the cover in slip open-ended inside and with the outer wall fixed connection of dead lever, through the cooperation between fixed slot and the dead lever, will rotate the cover and fix.

Preferably, the tooth spaces are matched with the gears, the gears are meshed with the tooth spaces, and the connecting rings drive the gears to rotate when rotating through the matching between the gears and the tooth spaces.

Preferably, the diameter of the inner wall of the water pipe is equal to that of the inner wall of the connecting base, so that the change of the flowing diameter of the liquid is prevented from influencing the internal water pressure, and the flowing of the internal liquid is smoother.

Preferably, the first connecting pile and the second connecting pile are in the same straight line, so that the water baffle can rotate by taking the first connecting pile and the second connecting pile as axes.

Preferably, the number of the water baffles is twelve, a closed circular ring is formed when twelve water baffles are positioned on the same plane, and the water pressure is controlled by the cooperation of the twelve water baffles.

Compared with the prior art, the utility model provides a pressure reducing valve possesses following beneficial effect:

1. this step-down valve sets up fixed slot, dead lever, fixed baseplate and handle, and through the cooperation between fixed slot and the dead lever, will rotate and overlap and fix between the fixed baseplate, prevent to rotate the cover and take place to rotate, has improved the device's stability.

2. This pressure reduction valve, cooperation through between gear and the go-between, the go-between drives the gear and rotates when rotating, the gear drives the second and connects the stake to rotate, through first connecting pile, cooperation between breakwater and the second connecting pile, rotate the second and connect the stake, the second is connected the stake and is driven the breakwater and rotate, the breakwater passes through rotation control flow path, control water pressure, during the inner wall of breakwater perpendicular connection base, water pressure reaches the maximum value, along with the rotation control water pressure reduction of breakwater, it is big to hydraulic accommodation.

Drawings

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

FIG. 2 is a schematic structural diagram of the control device of the present invention;

FIG. 3 is a sectional view of the knot control device of the present invention;

FIG. 4 is an enlarged view of the structure A in FIG. 2 according to the present invention;

fig. 5 is an enlarged view of the structure B in fig. 1 according to the present invention.

Wherein: 1. rotating the sleeve; 2. a protective housing; 3. a water pipe; 4. a connecting flange; 5. a control device; 501. a connection base; 502. a fixed block; 503. a first bearing; 504. a first connecting pile; 505. a water baffle; 506. a second bearing; 507. a second connecting pile; 508. a gear; 509. a connecting ring; 510. a tooth socket; 511. a card slot; 512. a clamping block; 6. a fixing device; 601. fixing the clamping groove; 602. fixing the rod; 603. a fixed base; 604. a slide opening; 605. a handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a pressure reducing valve, which comprises a protective casing 2, a water pipe 3 and a connecting flange 4, wherein the protective casing 2 is fixedly connected with the outer wall of the water pipe 3, a rotating sleeve 1 is movably clamped on the outer wall of the protective casing 2, a fixing device 6 is arranged on the outer wall of the protective casing 2 and on the right side of the rotating sleeve 1, rotating sleeve 1 is fixed through fixing device 6, the inside of protecting sheathing 2 is provided with controlling means 5 and is located the position of rotating sleeve 1, controlling means 5 passes through support and the inner wall fixed connection who rotates sleeve 1, the outer wall of go-between 509 and the one end fixed connection of support, the one end that go-between 509 was kept away from to the support and the inner wall fixed connection who rotates sleeve 1, it rotates together to drive go-between 509 when rotating sleeve 1 rotates, water pipe 3 and controlling means 5's lateral wall fixed connection, water pipe 3 keeps away from controlling means 5's one end and flange 4 fixed connection.

The control device 5 comprises a connecting base 501, a fixed block 502, a first bearing 503, a first connecting pile 504, a water baffle 505, a second bearing 506, a second connecting pile 507, a gear 508, a connecting ring 509, a tooth space 510, a clamping groove 511 and a clamping block 512, wherein the connecting base 501 is fixedly connected with the water pipe 3, the diameter of the inner wall of the water pipe 3 is equal to that of the inner wall of the connecting base 501, the same inner diameter enables the liquid inside the water pipe 3 to flow smoothly, the fixed block 502 is arranged inside the connecting base 501 and located at the middle position, the side wall of the fixed block 502 and located at the middle position are rotatably connected with the first connecting pile 504 through the first bearing 503, one end of the first connecting pile 504 far away from the fixed block 502 is fixedly connected with the inner side wall of the water baffle 505, the water baffles 505 are twelve in total, a closed ring is formed when the twelve water baffles 505 are located on the same plane, the water flow is controlled by rotating the water baffle 505, the outer side wall of the water baffle 505 is fixedly connected with a second connecting pile 507, the first connecting pile 504 and the second connecting pile 507 are in the same straight line, when the second connecting pile 507 rotates, the water baffle 505 and the first connecting pile 504 are driven to rotate simultaneously, one end, far away from the water baffle 505, of the second connecting pile 507 penetrates through the side wall of the connecting base 501 and extends to the right side of the connecting base 501, the second connecting pile 507 is rotatably connected with the side wall of the connecting base 501 through a second bearing 506, one end, extending out of the connecting base 501, of the second connecting pile 507 is fixedly connected with a gear 508, a clamping groove 511 is formed in the outer wall of the connecting base 501 and is located close to the top, a clamping block 512 is movably clamped with the clamping groove 511, one end, far away from the clamping groove 511, of the clamping block 512 is fixedly connected with the inner wall 509 of the connecting ring and is located close to the top, a tooth socket 510 is formed in the bottom of the connecting, gear 508 meshes with tooth's socket 510, cooperation through between gear 508 and the go-between 509, go-between 509 drives gear 508 when rotating and rotates, gear 508 drives second connecting pile 507 and rotates, through first connecting pile 504, cooperation between breakwater 505 and the second connecting pile 507, rotate second connecting pile 507, second connecting pile 507 drives breakwater 505 and rotates, breakwater 505 passes through the rotation control flow path, control water pressure, when breakwater 505 is perpendicular connection base 501's inner wall, water pressure reaches the maximum value, control water pressure along with breakwater 505's rotation reduces, it is big to the scope of regulation of water pressure, and the device adjusts the scope precision of water pressure height, can adjust according to the demand.

A fixed slot 601, a fixed rod 602, a fixed base 603, a sliding opening 604 and a handle 605, wherein the fixed slot 601 is arranged on the side wall of the rotating sleeve 1 and is positioned at the position outside the protective shell 2, the fixed base 603 is fixedly connected with the outer wall of the protective shell 2, one end of the fixed rod 602 is movably sleeved inside the fixed base 603, one end of the fixed rod 602 movably sleeved inside the fixed base 603 is fixedly connected with a spring, the spring is arranged to prevent the fixed rod 602 from being separated after being clamped inside the fixed slot 601, the stability between the fixed rod 602 and the fixed slot 601 is improved, one end of the fixed rod 602 far away from the fixed base 603 extends into the fixed slot 601, the sliding opening 604 is arranged at the top of the fixed base 603, the handle 605 is clamped inside the sliding opening 604 and is fixedly connected with the outer wall of the fixed rod 602, the fixed slot 601, the fixed rod 602, the fixed base 603, through the cooperation between fixed slot 601 and the dead lever 602, will rotate and fix between cover 1 and the fixed baseplate 603, prevent to rotate cover 1 and take place to rotate, improved the device's stability.

When the device is used, the device is connected with a pipeline through the connecting flange 4, the handle 605 is shifted to the right, the handle 605 drives the fixed rod 602 to move to the right, the fixed rod 602 is separated from the fixed clamping groove 601, the rotating sleeve 1 is rotated, the rotating sleeve 1 drives the connecting ring 509 to rotate through the bracket, the connecting ring 509 drives the gear 508 to rotate through the tooth socket 510 at the bottom of the connecting ring 509, the gear 508 drives the second connecting pile 507 to rotate, the second connecting pile 507 drives the water baffle 505 to rotate, the water baffle 505 enables a gap to be formed between the two water baffles 505 through rotation, internal liquid is circulated, when the rotating sleeve 1 is continuously rotated, the gap between the water baffles 505 is increased, water pressure is increased, the handle 605 is shifted to the left after the water pressure is adjusted to be required, the handle pushes the fixed rod 602 to move to the left, and the fixed rod 602 moves to the inside the fixed clamping groove.

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.

Claims

1. The utility model provides a step-down valve, includes protecting sheathing (2), water pipe (3) and flange (4), its characterized in that: the outer wall fixed connection of protecting sheathing (2) and water pipe (3), the outer wall activity joint of protecting sheathing (2) has and rotates cover (1), the outer wall of protecting sheathing (2) is located and is rotated the position on cover (1) right side and be provided with fixing device (6), the inside of protecting sheathing (2) is located and is rotated the position of cover (1) and be provided with controlling means (5), the inner wall fixed connection of cover (1) is through support and rotation in controlling means (5), the lateral wall fixed connection of water pipe (3) and controlling means (5), the one end and flange (4) fixed connection of controlling means (5) are kept away from in water pipe (3).

2. The pressure reducing valve as claimed in claim 1, wherein: controlling means (5) are including connection base (501), fixed block (502), first bearing (503), first connecting pile (504), breakwater (505), second bearing (506), second connecting pile (507), gear (508), go-between (509), tooth's socket (510), draw-in groove (511) and fixture block (512), connection base (501) and water pipe (3) fixed connection, fixed block (502) set up in the inside of connection base (501) and are located the position in the middle, the lateral wall of fixed block (502) and the position that is located the middle are rotated through first bearing (503) and first connecting pile (504) and are connected, the one end that fixed block (502) were kept away from in first connecting pile (504) and the inside wall fixed connection of breakwater (505), the lateral wall and the second connecting pile (507) fixed connection of breakwater (505), the one end that breakwater (505) was kept away from in second connecting pile (507) runs through the lateral wall of connection base (501) and extends to breakwater (505) and extend to The right side of connection base (501), second connection stake (507) is rotated through second bearing (506) and the lateral wall of connection base (501) and is connected, one end and gear (508) fixed connection that connection base (501) are stretched out in second connection stake (507), draw-in groove (511) are seted up at the outer wall of connection base (501) and are located the position that is close to the top, fixture block (512) and draw-in groove (511) activity joint, the one end of fixture block (512) keeping away from draw-in groove (511) and the inner wall of connecting ring (509) and are located the position fixed connection that is close to the top, the bottom at connecting ring (509) is seted up in tooth's socket (510).

3. The pressure reducing valve as claimed in claim 2, wherein: the fixing device (6) comprises a fixing clamping groove (601), a fixing rod (602), a fixing base (603), a sliding opening (604) and a handle (605), the fixed clamping groove (601) is arranged on the side wall of the rotating sleeve (1) and is positioned outside the protective shell (2), the fixed base (603) is fixedly connected with the outer wall of the protective shell (2), one end of the fixed rod (602) is movably sleeved inside the fixed base (603), one end of the fixed rod (602) movably sleeved in the fixed base (603) is fixedly connected with a spring, one end of the fixed rod (602) far away from the fixed base (603) extends into the fixed clamping groove (601), the sliding opening (604) is formed in the top of the fixed base (603), and the handle (605) is clamped in the sliding opening (604) and fixedly connected with the outer wall of the fixed rod (602).

4. The pressure reducing valve as claimed in claim 2, wherein: the tooth grooves (510) are matched with the gear (508), and the gear (508) is meshed with the tooth grooves (510).

5. The pressure reducing valve as claimed in claim 2, wherein: the diameter of the inner wall of the water pipe (3) is equal to that of the inner wall of the connecting base (501).

6. The pressure reducing valve as claimed in claim 2, wherein: the first connecting pile (504) and the second connecting pile (507) are in the same straight line.

7. The pressure reducing valve as claimed in claim 2, wherein: twelve water baffles (505) are provided, and a closed circular ring is formed when twelve water baffles (505) are positioned on the same plane.