Throttle valve convenient for flow regulation

Abstract

The utility model relates to the technical field of throttle valves, in particular to a throttle valve convenient for flow regulation, which comprises a housing, a water delivery pipe fixedly sleeved on the top of the housing, a solenoid valve input end communicated with the bottom of the water delivery pipe, a solenoid valve output end communicated with the top of an upper connecting pipe, and a support frame fixedly connected with the bottom of the housing. A rotating shell is rotationally installed in the supporting frame, the interior of the rotating shell is slidably connected with the top of a sliding rod, the bottom of the sliding rod is slidably connected with a limiting disc, the sliding rod is fixedly sleeved with a partition plate, a lower connecting pipe is arranged on the lower side of the partition plate, the bottom end of the upper connecting pipe and the top end of the lower connecting pipe abut against the partition plate, and the bottom end of the lower connecting pipe communicates with a drainage pipe; the flow is preliminarily adjusted by controlling the number of the electromagnetic valves opened by an external control device, the flow is further adjusted by controlling the pore size of water flow between the upper connecting pipe and the lower connecting pipe through rotation of the partition plate, and correspondingly, the flow of water flow is obviously changed.

Description

TECHNICAL FIELD

[0001] The utility model relates to throttle valve technical field, concretely is a kind of throttle valve convenient to flow regulation. BACKGROUND

[0002] Throttle valve is a kind of device for adjusting medium flow rate, it is accurate control medium flow rate and flow by changing the cross-sectional area of fluid passage. This valve is widely used in industrial production, especially in the field needing fine fluid control, such as petroleum, chemical industry, electric power, metallurgy and light industry, the design of throttle valve makes operating personnel can flexibly adjust the flow state of fluid according to actual demand, ensure the stability and efficiency of production process.

[0003] In prior art, throttle valve also exposes some problems, specifically, after flow regulation, sometimes it is found that flow change is not obvious, compared with before regulation, regulation effect cannot reach expected goal. This phenomenon shows that throttle valve cannot meet the demand of rapid flow regulation in some cases, which can adversely affect production efficiency and process stability. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of throttle valve convenient to flow regulation to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of throttle valve convenient to flow regulation, comprising: cover, cover top is fixedly covered with water delivery pipe, water delivery pipe bottom and solenoid valve input end are communicated, solenoid valve output end and upper connecting pipe top are communicated;

[0006] Cover bottom is fixedly connected with support frame, rotating shell is rotatably installed in support frame, sliding rod top is slidably connected in rotating shell, sliding rod bottom and limit disc are slidably connected, baffle is fixedly covered on sliding rod, lower connecting pipe is arranged on the lower side of baffle, the bottom end of upper connecting pipe and the top end of lower connecting pipe are all abutted with baffle, the bottom end of lower connecting pipe and drain pipe are communicated;

[0007] Preferably, three water holes are arranged in water delivery pipe and drain pipe.

[0008] Preferably, the input end of solenoid valve and the water hole opened in water delivery pipe are communicated, the output end of solenoid valve and upper connecting pipe top are fixedly connected, and the bottom of upper connecting pipe is fixedly covered in support frame.

[0009] Preferably, micro motor is fixedly installed in the bottom center of support frame, the output end of micro motor penetrates the bottom of support frame and is fixedly connected with driving shaft bottom, and gear is fixedly covered on the top of driving shaft.

[0010] Preferably, the gear is meshed with a toothed disc, the inner ring surface of the toothed disc is fixedly connected with the rotating shell, the upper and lower surfaces of the rotating shell are respectively slidably connected with the sealing plate and the limiting disc, the sealing plate is fixedly sleeved at the bottom of the upper connecting pipe, and the bottom of the limiting disc is fixedly connected with the support frame body.

[0011] Preferably, the limiting ring is slidably connected between the ring groove formed in the support frame body and the limiting disc.

[0012] Preferably, the arc-shaped groove is slidably connected with the top end of the sliding rod, the limiting groove is slidably connected with the bottom end of the sliding rod, the partition plate is slidably installed between the rotating shell and the limiting disc, and the lower connecting pipe is fixedly installed between the support frame body and the drain pipe.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] The number of electromagnetic valves is opened by an external control device to realize preliminary regulation of the flow, water flows through the electromagnetic valves, flows into the upper connecting pipe, flows to the partition plate under the flow guiding effect of the upper connecting pipe, and is indirectly driven to rotate by the rotating shell, so that plugging is formed, the aperture size of water flow communication between the upper connecting pipe and the lower connecting pipe is controlled, the cross-sectional area of the fluid passage is reduced when the aperture size is reduced, the resistance is increased, the amount of fluid passing through is reduced, the flow is also reduced, and conversely, when the aperture size is increased, the cross-sectional area of the fluid passage is increased, the resistance is reduced, so that more fluid is allowed to pass through, the flow is increased, and further regulation of the flow is realized, and the flow passing through is obviously changed. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a whole structure schematic view of the utility model;

[0016] Figure 2 It is an internal structure schematic view of the utility model;

[0017] Figure 3 It is an internal structure top view schematic view of the utility model;

[0018] Figure 4 It is an internal structure bottom view schematic view of the utility model.

[0019] In the drawing: 1, cover shell; 2, water delivery pipe; 3, electromagnetic valve; 4, upper connecting pipe; 5, support frame body; 6, rotating shell; 7, sliding rod; 8, limiting disc; 9, partition plate; 10, lower connecting pipe; 11, drain pipe; 12, water hole; 13, micro motor; 14, driving shaft; 15, gear; 16, toothed disc; 17, sealing plate; 18, limiting ring; 19, ring groove; 20, arc-shaped groove; 21, limiting groove. PREFERRED EMBODIMENT

[0020] In order to make the purpose, technical scheme of the utility model carry on clear, complete description, and the advantage is more clear and distinct, the following combining with the drawing carries out further detailed explanation to the utility model embodiment. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all embodiments, only to explain the embodiments of the utility model, and not for limiting the embodiments of the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the scope of protection of the utility model.

[0021] Embodiment one: please refer to Figures 1-4 The utility model provides a technical scheme: a throttle valve convenient for flow regulation, it includes: casing 1, casing 1 top fixedly suiting and being equipped with water delivery pipe 2, water delivery pipe 2 bottom and solenoid valve 3 input end intercommunication, solenoid valve 3 output and upper connecting pipe 4 top intercommunication, casing 1 bottom fixedly connected with support frame body 5, support frame body 5 is rotatably installed in the rotating shell 6, the rotating shell 6 is slidably connected with the top of slide rod 7, the rotating shell 6 is limited to the top of slide rod 7, the bottom of slide rod 7 and limit disc 8 are slidably connected, limit disc 8 is limited to the bottom of slide rod 7, slide rod 7 is fixedly suiting and being equipped with the baffle 9, the lower side of baffle 9 is provided with lower connecting pipe 10, and the bottom of upper connecting pipe 4 and the top of lower connecting pipe 10 all abut with baffle 9, and the bottom of lower connecting pipe 10 and drain pipe 11 intercommunication.

[0022] Through casing 1 fixed water delivery pipe 2 and support frame body 5, through water liquid into water delivery pipe 2, through water delivery pipe 2 makes water flow to solenoid valve 3, solenoid valve 3 is provided with three, through the number of solenoid valve 3 of external control equipment opening to realize the preliminary regulation of flow, water flow through solenoid valve 3, flow into upper connecting pipe 4, under the flow guiding of upper connecting pipe 4, flow to baffle 9, again through the rotation of rotating shell 6, make rotating shell 6 drive slide rod 7 movement, slide rod 7 moves under the limitation of limit disc 8, to drive baffle 9 to move towards the axis direction of upper connecting pipe 4, or away from the axis direction, further through the plugging of baffle 9, control the aperture size of water liquid flow between upper connecting pipe 4 and lower connecting pipe 10, when baffle 9 all move towards the axis direction of upper connecting pipe 4, aperture reduces, the cross section area of fluid passage reduces, resistance increases, the amount of fluid passing reduces, and flow also reduces, on the contrary, when aperture is larger, the cross section area of fluid passage increases, resistance reduces, to allow more fluid to pass, and flow increases, to realize further regulation of flow, corresponding to realize the obvious change of flow through, and then water flow through baffle 9 flows to lower connecting pipe 10, finally from drain pipe 11, realize the throttling delivery of water flow.

[0023] Example 2: Based on Example 1, three water holes 12 are provided in both the water supply pipe 2 and the drain pipe 11. The three water holes 12 are arranged in a triangular shape. The water flow is facilitated by the water holes 12 in the water supply pipe 2 and the drain pipe 11. The input end of the solenoid valve 3 is connected to the water hole 12 in the water supply pipe 2. The output end of the solenoid valve 3 is fixedly connected to the top of the upper connecting pipe 4. The bottom of the upper connecting pipe 4 is fixedly sleeved in the support frame 5. The upper connecting pipe 4 and the partition 9 are slidably connected to each other. The solenoid valve 3 is electrically connected to the external terminal control equipment.

[0024] Water flows in from the water supply pipe 2, passes through the water hole 12 and the solenoid valve 3 and flows upward into the connecting pipe 4. The number of solenoid valves 3 opened is controlled by the external terminal control device, thereby controlling the flow of water through the water hole 12. As the number of water holes 12 changes, the flow rate of water is changed accordingly, thus achieving the initial regulation of the flow rate.

[0025] Example 3: Based on Example 2, a micro motor 13 is fixedly installed at the center of the bottom of the support frame 5. The micro motor 13 is electrically connected to an external terminal control device. The output end of the micro motor 13 passes through the bottom of the support frame 5 and is fixedly connected to the bottom of the drive shaft 14. The support frame 5 provides limiting support for the drive shaft 14. A gear 15 is fixedly sleeved on the top of the drive shaft 14. A gear disc 16 meshes around the gear 15. The gear disc 16 and the gear 15 mesh and transmit power. The inner ring surface of the gear disc 16 is fixedly connected to the rotating shell 6. The upper and lower surfaces of the rotating shell 6 are slidably connected to the sealing plate 17 and the limiting disc 8, respectively. The sealing plate 17 is fixedly sleeved on the bottom of the upper connecting pipe 4. The bottom of the limiting disc 8 is slidably connected to the sealing plate 17 and the limiting disc 8. The support frame 5 is fixedly connected, and the upper and lower sides of the gear disk 16 are fixedly connected with limit rings 18. The limit rings 18 are slidably connected to the ring grooves 19 opened on the support frame 5. The ring grooves 19 are opened on the contact side between the gear disk 16 and the support frame 5. The top of the rotating shell 6 is provided with an arc groove 20, and the surface of the limit disk 8 is provided with a limit groove 21. The arc groove 20 is slidably connected to the top of the slide rod 7, and the limit groove 21 is slidably connected to the bottom of the slide rod 7. The arc groove 20 and the limit groove 21 limit the slide rod 7. The partition 9 is slidably installed between the rotating shell 6 and the limit disk 8. The lower connecting pipe 10 is fixedly installed between the support frame 5 and the drain pipe 11. The lower connecting pipe 10 is connected to the water hole 12 opened on the drain pipe 11.

[0026] When the water flows through the upper connecting pipe 4 to the baffle 9, the micro motor 13 can be controlled to rotate by an external terminal control device, the micro motor 13 drives the driving shaft 14 to rotate through the output end, the gear 15 is fixedly sleeved on the driving shaft 14, the gear 15 is engaged with the toothed disc 16, thereby driving the toothed disc 16 to rotate, the toothed disc 16 rotates under the limiting of the limiting ring 18 and the ring groove 19, thereby improving the stability of the toothed disc 16 during rotation, at the same time, the toothed disc 16 drives the rotating shell 6 fixedly connected to the inner circle surface to rotate, the rotating shell 6 slides between the sealing plate 17 and the limiting disc 8, thereby making the rotating shell 6 drive the slide rod 7 top to move through the arc-shaped slot 20 arranged on the rotating shell 6, the slide rod 7 bottom slides under the constraint of the limiting groove 21 arranged on the surface of the limiting disc 8, thereby making the slide rod 7 drive the baffle 9 fixedly connected thereto to move towards or away from the driving shaft 14, thereby controlling the size of the water flow aperture between the upper connecting pipe 4 and the lower connecting pipe 10 through the rotation of the baffle 9, when the aperture is reduced, the cross-sectional area of the fluid passage is reduced, the resistance is increased, the amount of fluid passing through is reduced, the flow is also reduced, when the aperture is increased, the cross-sectional area of the fluid passage is increased, the resistance is reduced, thereby allowing more fluid to pass through, the flow is increased, thereby realizing further adjustment of the flow, and the flow of the water passing through is obviously changed.

[0027] In actual use, water flows into the water conveying pipe 2, and the water flows to the electromagnetic valve 3 through the water conveying pipe 2, the electromagnetic valve 3 is provided with three, the number of the electromagnetic valve 3 is opened by an external control device to realize preliminary adjustment of the flow, the water flows through the electromagnetic valve 3 and flows into the upper connecting pipe 4, and flows to the baffle 9 under the guiding action of the upper connecting pipe 4, thereby controlling the size of the water flow aperture between the upper connecting pipe 4 and the lower connecting pipe 10 through the blocking of the baffle 9, when the aperture is reduced, the cross-sectional area of the fluid passage is reduced, the resistance is increased, the amount of fluid passing through is reduced, the flow is also reduced, when the aperture is increased, the cross-sectional area of the fluid passage is increased, the resistance is reduced, thereby allowing more fluid to pass through, the flow is increased, thereby realizing further adjustment of the flow, and the flow of the water passing through is obviously changed.

[0028] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A choke valve facilitating flow regulation, comprising a housing (1), characterized in that: The top of the cover (1) is fixedly provided with a water feeding pipe (2), the bottom of the water feeding pipe (2) is communicated with the input end of an electromagnetic valve (3), and the output end of the electromagnetic valve (3) is communicated with the top of an upper connecting pipe (4); The bottom of the cover (1) is fixedly connected with a supporting frame (5), the supporting frame (5) is rotatably provided with a rotating shell (6), the rotating shell (6) is slidably connected with the top of a sliding rod (7), the bottom of the sliding rod (7) is slidably connected with a limiting disc (8), the sliding rod (7) is fixedly provided with a partition plate (9), the lower side of the partition plate (9) is provided with a lower connecting pipe (10), the bottom end of the upper connecting pipe (4) and the top end of the lower connecting pipe (10) are abutted with the partition plate (9), and the bottom end of the lower connecting pipe (10) is communicated with a drain pipe (11).

2. A choke valve for facilitating flow regulation according to claim 1, characterized in that: Three water holes (12) are formed in the water feeding pipe (2) and the drain pipe (11).

3. The flow regulating choke of claim 1, wherein: The input end of the electromagnetic valve (3) is communicated with the water hole (12) formed in the water feeding pipe (2), the output end of the electromagnetic valve (3) is fixedly connected with the top of the upper connecting pipe (4), and the bottom of the upper connecting pipe (4) is fixedly provided in the supporting frame (5).

4. A flow regulating choke valve according to claim 3, wherein: A micro motor (13) is fixedly installed at the bottom center of the supporting frame (5), the output end of the micro motor (13) penetrates through the bottom of the supporting frame (5) and is fixedly connected with the bottom of a driving shaft (14), and the top of the driving shaft (14) is fixedly provided with a gear (15).

5. A flow regulating choke valve according to claim 4, wherein: The gear (15) is meshed with a toothed disc (16), the inner ring surface of the toothed disc (16) is fixedly connected with the rotating shell (6), the upper and lower surfaces of the rotating shell (6) are slidably connected between the sealing plate (17) and the limiting disc (8), the sealing plate (17) is fixedly provided at the bottom of the upper connecting pipe (4), and the bottom of the limiting disc (8) is fixedly connected with the supporting frame (5).

6. A flow regulating choke according to claim 5 wherein: The upper and lower sides of the toothed disc (16) are fixedly connected with limiting rings (18), the limiting rings (18) are slidably connected between the ring grooves (19) formed in the supporting frame (5), an arc-shaped groove (20) is formed at the top of the rotating shell (6), and a limiting groove (21) is formed on the surface of the limiting disc (8).

7. A flow regulating choke valve according to claim 6, wherein: The arc-shaped groove (20) is slidably connected with the top end of the sliding rod (7), the limiting groove (21) is slidably connected with the bottom end of the sliding rod (7), the partition plate (9) is slidably installed between the rotating shell (6) and the limiting disc (8), and the lower connecting pipe (10) is fixedly installed between the supporting frame (5) and the drain pipe (11).

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