CN217583374U

CN217583374U - Efficient motorised valve

Info

Publication number: CN217583374U
Application number: CN202221720172.2U
Authority: CN
Inventors: 银红春; 廖相德; 李自强; 李振; 陈敏; 银河; 何兴初; 蒋人凤; 刘巧; 李强; 刘洋
Original assignee: Sichuan Shugu Instrument Technology Co ltd
Current assignee: Sichuan Shugu Instrument Technology Co ltd
Priority date: 2022-07-05
Filing date: 2022-07-05
Publication date: 2022-10-14
Anticipated expiration: 2032-07-05

Abstract

The utility model belongs to the technical field of the motorised valve, specifically disclose an efficient motorised valve, it includes valve body and controller, be provided with the case that is used for the switching valve body passageway in the valve body, the case is connected with the valve rod, the valve rod is connected with the thrust mechanism who drives the linear motion of valve rod, thrust mechanism includes mounting and pivot, the mounting is connected with the slide bar, sliding connection has the sliding sleeve on the slide bar, the sliding sleeve is connected with the valve rod, the sliding sleeve cover is established in the pivot, set up the spout of slope on the sliding sleeve, be provided with the stopper in the spout, the stopper is connected with the pivot, its pivoted controller of drive is connected in the pivot. The utility model discloses a pivot clockwise turning 1/4 circumference, sliding sleeve sideslip drive valve rod downstream and close the valve, do not need many rings to rotate, and the switching speed of valve is fast, installs simple structure.

Description

Efficient motorised valve

Technical Field

The utility model relates to an motorised valve technical field particularly, relates to an efficient motorised valve.

Background

The valve is common in daily life and widely applied to pipelines in various industries such as household residences, agricultural irrigation, industrial automation and the like. At present, the control of the valve is divided into manual control and automatic control, and the application of an automatically controlled electric valve is a development trend.

The thruster of the existing electric valve is connected with an electric actuator to do rotary motion, the output shaft needs to rotate for multiple times to complete the opening and closing of the valve, and the valve is slow in opening and closing speed, complex in structure and high in cost.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an efficient motorised valve, the switching just can be accomplished in the multiturn rotation that solves current motorised valve and rely on the output shaft, and valve switching speed is slow, the technical problem that the structure is complicated.

In order to solve the technical problem, the utility model discloses a following technical scheme realizes:

the utility model provides an efficient motorised valve, includes valve body and controller, is provided with the case that is used for switching the valve body passageway in the valve body, and the case is connected with the valve rod, and the valve rod is connected with the thrust mechanism who drives the valve rod and be linear motion, and thrust mechanism includes mounting and pivot, and the mounting is connected with the slide bar, and sliding connection has the sliding sleeve on the slide bar, and the sliding sleeve is connected with the valve rod, and the sliding sleeve cover is established in the pivot, sets up the spout of slope on the sliding sleeve, is provided with the stopper in the spout, and the stopper is connected with the pivot, and its pivoted controller of drive is connected in the pivot.

Preferably, the extension part of the rotating shaft is located in the controller, the limiting mechanism is arranged on the extension part and comprises a contact device and a cam, the cam is sleeved on the extension part, the contact device is matched with the cam, the cam comprises an arc surface and a convex plane of the convex part, and the arc surface and the convex plane are in smooth transition through the plane tangent to the arc surface.

Preferably, be provided with the gear box in the controller, be provided with drive gear and driven gear set in the gear box, drive gear and driven gear set all are the duplicate gear who comprises gear wheel and pinion, drive gear drives driven gear set motion, driven gear set includes the first driven gear that intermeshing linked in proper order, the second driven gear, third driven gear and fourth driven gear, it is provided with the connecting rod to run through on the arbitrary gear, the connecting rod runs through the gear box, the cover is equipped with fifth driven gear on the connecting rod that is located the gear box bottom, fifth driven gear meshing has sixth driven gear, sixth driven gear overlaps and establishes on the extension of pivot.

Preferably, the connecting rod is sleeved with a spring, one end of the spring is connected with the gear box, the other end of the spring is arranged on the connecting rod extending out of the gear box, the connecting rod is fixedly connected with a fixing block, and the fixing block is located at the connecting position of the connecting rod and the gear.

Preferably, the fixing block is provided in a square or triangle shape.

Preferably, be provided with the pilot lever that is used for measuring the valve rod stroke on the valve rod, the pilot lever is connected with the sign of setting on the valve body, pilot lever and sign mutually perpendicular.

The technical scheme of the utility model following beneficial effect has at least:

the utility model discloses a valve body and controller, be provided with the case that is used for switching valve body passageway in the valve body, the case is connected with the valve rod, the valve rod is connected with the thrust mechanism who drives the valve rod and be linear motion, thrust mechanism includes mounting and pivot, the mounting is connected with the slide bar, sliding connection has the sliding sleeve on the slide bar, the sliding sleeve is connected with the valve rod, the sliding sleeve cover is established in the pivot, set up the spout of slope on the sliding sleeve, be provided with the stopper in the spout, the stopper is connected with the pivot, its pivoted controller of drive is connected in the pivot, controller drive pivot is rotated, the sliding sleeve slides from top to bottom on the slide bar, the stopper horizontal slip in the spout, the pivot only need be 1/4's circular motion just can drive the valve rod, make the valve rod be linear motion and accomplish the switching of valve, moreover, the steam generator is simple in structure, valve switching speed is fast.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a top view of the thrust mechanism of FIG. 1;

FIG. 3 isbase:Sub>A cross-sectional view taken along A-A of FIG. 2;

FIG. 4 is a cross-sectional view taken along line B-B of FIG. 2;

FIG. 5 is a schematic view of the internal structure of the controller of FIG. 1;

FIG. 6 is a top view of FIG. 5;

fig. 7 is a schematic structural view of the driven gear set of fig. 5.

An icon: 1-a rotating shaft; 2-a controller; 3, sliding sleeve; 4-a slide bar; 5-a sixth driven gear; 6-a contact arrangement; 7-a cam; 8-a gearbox; 9-a valve stem; 10-a chute; 11-a limiting block; 12-a spring; 13-fixing block; 14-a connecting rod; 15-a drive gear; 16-a first driven gear; 17-a second driven gear; 18-a third driven gear; 19-a fourth driven gear; 20-fifth driven gear.

Detailed Description

Examples

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

The present invention will be described in detail with reference to fig. 1 to 7.

An efficient electric valve comprises a valve body and a controller 2, wherein a valve core for opening and closing a valve body channel is arranged in the valve body, the valve core is connected with a valve rod 9, the valve rod 9 is connected with a thrust mechanism for driving the valve rod 9 to do linear motion, the thrust mechanism comprises a fixing piece and a rotating shaft 1, the fixing piece is connected with a sliding rod 4, the sliding rod 4 is connected with a sliding sleeve 3 in a sliding manner, the sliding sleeve 3 is connected with the valve rod 9, the sliding sleeve 3 is sleeved on the rotating shaft 1, an inclined sliding groove 10 is formed in the sliding sleeve 3, a limiting block 11 is arranged in the sliding groove 10, and the limiting block 11 can limit the rotating distance of the rotating shaft 1; the limiting block 11 is connected with the rotating shaft 1, the rotating shaft 1 is connected with the controller 2 for driving the rotating shaft 1 to rotate, the sliding sleeve 3 slides up and down on the sliding rod 4, the limiting block 11 slides left and right in the sliding groove 10, the rotating shaft 1 can drive the valve rod 9 only by 1/4 of circular motion, the valve rod 9 is made to move linearly to complete the opening and closing of the valve, the structure is simple, and the valve is high in opening and closing speed.

Further, the chute 10 is an inclined chute obliquely arranged around a cylinder, an inclined angle of the chute 10 in a space unfolding state is not fixed, and a fixed angle or a gradually changing angle (at this time, the chute 10 is an arc shape), in order to ensure that the opening and closing of the valve are in a uniform speed state, in this embodiment, an inclined chute with a fixed angle is adopted, an inclined included angle between the inclined chute and a horizontal plane may be 45 ° (of course, other angles may also be adopted, such as 60 °, 30 °, and the like), and assuming that a circumference of the cylinder where the chute 10 is located is C, the rotating shaft rotates by 1/4 of a circumference, that is, a maximum height difference between two end portions of the chute 10 satisfies a requirement that an inclined angle between the two end portions is 45 ° (that the rotating shaft rotates by 1/4 of a circumference), that a circumference of the cylinder where the chute 10 is located is C, and that a maximum height difference between two end portions of the chute 10 satisfies a requirement that a maximum height difference between two end portions of the inclined chute is equal to be equal to a maximum height difference between the same height

The maximum stroke of the limiting block 11 is

The extension part of the rotating shaft 1 is positioned in the controller 2, the extension part is provided with a limiting mechanism, the limiting mechanism comprises a contact device 6 and a cam 7, the cam 7 is sleeved on the extension part, the contact device 6 is matched with the cam 7, the cam 7 comprises an arc surface and a convex plane of a convex part, and the arc surface and the convex plane are in smooth transition through a plane tangent to the arc surface, so that the friction between the cam 7 and the contact device 6 and the generation of noise can be reduced, and the cam gradually extrudes a contact piece of the contact device to play a role in buffering; the two cams 7 are arranged, the convex planes of the upper cam 7 and the lower cam 7 are arranged in a staggered mode to form a certain angle difference, the angle difference is the same as the rotation angle of the rotating shaft 1, a microswitch in the contact device 6 is driven by the rotation of the cams 7, and the positioning or the termination of equipment is achieved by utilizing weak current signal transmission to control.

A gear box 8 is arranged in the controller 2, a driving gear 15 and a driven gear set are arranged in the gear box 8, the driving gear 15 and the driven gear set are double gears consisting of a large gear and a small gear, the driving gear 15 drives the driven gear set to move, the driven gear set comprises a first driven gear 16, a second driven gear 17, a third driven gear 18 and a fourth driven gear 19 which are meshed with each other and linked in sequence, a connecting rod 14 penetrates through any gear, the connecting rod 14 penetrates through the gear box 8, a fifth driven gear 20 is sleeved on the connecting rod 14 at the bottom of the gear box 8, the fifth driven gear 20 is meshed with a sixth driven gear 5, the sixth driven gear 5 is sleeved on an extension part of the rotating shaft 1, and the small gear drives the large gear through a multi-stage gear transmission structure, so that a power arm is increased, labor is saved, and the transmission efficiency is high; the torque distribution between adjacent driven wheels is even, the transmission precision is high, and the service life is long.

A spring 12 is sleeved on the connecting rod 14, one end of the spring 12 is connected with the gear box 8, the other end of the spring 12 is arranged on the connecting rod 14 extending out of the gear box 8, the connecting rod 14 is fixedly connected with a fixing block 13, the fixing block 13 is positioned at the joint of the connecting rod 14 and the gear, the connecting rod 14 is manually pressed, the spring 12 is compressed, the fixing block 13 moves downwards, a gap is generated by the connection of the connecting rod 14 and the gear, the power source of the rotating shaft 1 is cut off, and the device is convenient to maintain; when the device is powered off (such as battery failure and power exhaustion), the valve opening is uncertain in the power-off state, and a special tool or a clamp such as a pliers is used for resetting the valve by clamping the connecting rod 14, namely, the valve is in a fully-opened or fully-closed state again.

Further, the connecting rod 14 is disposed on a fourth driven gear 19, and the fourth driven gear 19 is a gear at the end of the driven gear set, and is more suitable for being used as a power source for cutting off the rotating shaft 1.

The fixing block 13 is provided in a square or triangular shape so as to fix the position of the connecting rod 14 against sliding.

Be provided with the pilot lever that is used for measuring 9 strokes of valve rod on the valve rod 9, the pilot lever is connected with the sign of setting on the valve body, and pilot lever and sign mutually perpendicular know approximate valve aperture according to the gliding stroke of sign to judge whether the valve is closed or is opened.

The power switch is started, the sensor receives a signal, the driving gear 15 starts to rotate to drive the first driven gear 16, the second driven gear 17, the third driven gear 18 and the fourth driven gear 19 to rotate in sequence, the connecting rod 14 in the middle of the fourth driven gear 19 rotates to drive the fifth driven gear 20 and the sixth driven gear 5 to rotate, namely, the rotating shaft 1 rotates clockwise by 1/4 of a circle, the valve rod 9 moves downwards to do linear motion, and the valve port is closed.

The above embodiments only represent specific embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the technical idea of the present invention, several variations and modifications can be made, and all of them belong to the protection scope of the present invention.

Claims

1. The utility model provides an efficient motorised valve, includes valve body and controller (2), be provided with the case that is used for switching valve body passageway in the valve body, the case is connected with valve rod (9), its characterized in that: valve rod (9) are connected with the thrust mechanism who drives linear motion is valve rod (9), thrust mechanism includes mounting and pivot (1), the mounting is connected with slide bar (4), sliding connection has sliding sleeve (3) on slide bar (4), sliding sleeve (3) are connected with valve rod (9), sliding sleeve (3) cover is established on pivot (1), set up spout (10) of slope on sliding sleeve (3), be provided with stopper (11) in spout (10), stopper (11) are connected with pivot (1), its pivoted of drive is connected in pivot (1) controller (2).

2. The high-efficiency electric valve according to claim 1, wherein an extension of the rotating shaft (1) is located in the controller (2), a limiting mechanism is disposed on the extension, the limiting mechanism comprises a contact device (6) and a cam (7), the cam (7) is sleeved on the extension, the contact device (6) is matched with the cam (7), the cam (7) comprises an arc surface and a convex plane of a convex part, and the arc surface and the convex plane are smoothly transited through a plane tangent to the arc surface.

3. The efficient electric valve according to claim 2, wherein a gear box (8) is arranged in the controller (2), a driving gear (15) and a driven gear set are arranged in the gear box (8), the driving gear (15) and the driven gear set are dual gears consisting of a large gear and a small gear, the driving gear (15) drives the driven gear set to move, the driven gear set comprises a first driven gear (16), a second driven gear (17), a third driven gear (18) and a fourth driven gear (19) which are meshed with each other and linked in sequence, a connecting rod (14) is arranged on any gear in a penetrating mode, the connecting rod (14) penetrates through the gear box (8), a fifth driven gear (20) is sleeved on the connecting rod (14) located at the bottom of the gear box (8), the fifth driven gear (20) is meshed with a sixth driven gear (5), and the sixth driven gear (5) is sleeved on an extending portion of the rotating shaft (1).

4. The efficient electric valve as claimed in claim 3, wherein the connecting rod (14) is sleeved with a spring (12), one end of the spring (12) is connected with the gear box (8), the other end of the spring is arranged on the connecting rod (14) extending out of the gear box (8), the connecting rod (14) is fixedly connected with a fixed block (13), and the fixed block (13) is located at the connection position of the connecting rod (14) and the gear.

5. An efficient electrically operated valve according to claim 4, characterized in that the fixed block (13) is arranged as a square or triangle.

6. The high-efficiency electric valve according to claim 1, wherein an indicating rod for measuring the stroke of the valve rod (9) is arranged on the valve rod (9), the indicating rod is connected with an indicating plate arranged on the valve body, and the indicating rod and the indicating plate are perpendicular to each other.