Flow regulation device

Abstract

The utility model discloses a flow adjusting device which comprises a barrel body, a liquid inlet pipe and a liquid outlet pipe are arranged on the barrel body, an adjusting seat is arranged at the rear end of the barrel body, a sleeve is arranged at the outer end of the adjusting seat, an adjusting rod is arranged in the sleeve in a penetrating mode, the inner end of the adjusting rod is inserted into an inner cavity of the barrel body, a throttling core is fixed to the inner end of the adjusting rod, and a plurality of throttling core shafts are arranged on the throttling core. A handle is fixed to the outer end of the adjusting rod, an avoiding long hole is formed in the side wall of the sleeve, the adjusting rod can be driven to move front and back in the sleeve through the handle, after the adjusting rod is driven to move forwards, all the throttling mandrels can sequentially penetrate through an outlet of the liquid inlet pipe to enter the liquid inlet pipe, and a plurality of positioning grooves are sequentially formed in one side of the avoiding long hole at intervals. The positioning grooves are communicated with the receding long holes, and the adjusting rod can be positioned by clamping the handle into the positioning grooves. The filling machine applying the flow regulating device can quickly and accurately regulate the filling flow, and is time-saving and labor-saving, so that the production efficiency can be greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to filling technical field, concretely relates to flow regulating device. BACKGROUND

[0002] When filling different capacity bottles, the flow of filling valve needs to be adjusted to meet the filling needs of different capacity bottle types.

[0003] Traditional method: increase flow meter to control flow, or change the opening gap of filling valve to adapt to the corresponding bottle type. These methods are high in cost, or difficult to adjust to the required precision, time-consuming and laborious. UTILITY MODEL CONTENTS

[0004] The technical problem to be solved by the utility model is to provide a flow regulating device capable of quickly and accurately regulating flow, saving time and labor.

[0005] In order to solve the above problems, the utility model adopts the technical scheme: flow regulating device, its characterized in be: including: barrel, be provided with with its inner chamber intercommunication's liquid inlet pipe and liquid outlet pipe on the barrel, liquid inlet pipe is located on the front end of the barrel, be provided with adjusting seat on the rear end of the barrel, liquid flows into, passes through the inner chamber of the barrel, from the liquid outlet pipe, be provided with sleeve on the outer end of adjusting seat, sleeve is communicated with the inner chamber of the barrel through the through -hole on adjusting seat, the adjusting rod is movably arranged in the sleeve, the gap between adjusting rod and adjusting seat is sealed by sealing mechanism, the inner end of adjusting rod is inserted into the inner chamber of the barrel, the throttling core is fixed on the inner end of adjusting rod, a plurality of throttling core shafts are arranged on the throttling core, each throttling core shaft is sequentially arranged along the front-back direction of the barrel, the cross-sectional area of the rear throttling core shaft is greater than the front throttling core shaft, the handle is fixed on the outer end of adjusting rod, the avoiding long hole for avoiding handle is arranged on the side wall of sleeve along its axial direction, the handle is located in the avoiding long hole, the handle can drive adjusting rod to move forward and backward in the sleeve, when the adjusting rod is driven to move forward, each throttling core shaft can sequentially pass through the liquid inlet pipe outlet and enter the liquid inlet pipe, when a certain throttling core shaft moves to the liquid inlet pipe outlet, the through-flow area of the liquid inlet pipe outlet will be reduced to the area difference between the area of the liquid inlet pipe outlet and the cross-sectional area of the throttling core shaft, a plurality of positioning grooves are sequentially and spaced apart on one side of the avoiding long hole along the avoiding long hole, each positioning groove is communicated with the avoiding long hole, the adjusting rod can be positioned by clamping the handle into the positioning groove, except the first positioning groove located at the last side, other positioning grooves and each throttling core shaft are one-to-one corresponding, when the handle is driven to be clamped into the first positioning groove, each throttling core shaft can be in the position of not being inserted into the liquid inlet pipe and not hindering the liquid outlet of the liquid inlet pipe, at this time, the flow of the liquid outlet pipe is maximum, when the handle is driven to be clamped into other positioning grooves, the throttling core shaft corresponding to the clamped positioning groove can be in the liquid inlet pipe outlet, and the rear throttling core shaft adjacent thereto can be in the position of not hindering the liquid outlet of the liquid inlet pipe, at this time, the flow of the liquid outlet pipe can be adjusted and reduced to the value corresponding to the clamped positioning groove.

[0006] Further, the aforementioned flow regulating device, wherein: the rear end of the barrel is provided with a mounting port, and the adjusting seat is fixed to the mounting port to close the mounting port.

[0007] Further, the aforementioned flow regulating device, wherein: the structure of the sealing mechanism is that: a bellows is arranged in the inner chamber of the barrel, the bellows is sleeved on the adjusting rod, a sealing table is arranged on the inner end of the adjusting rod, the front small end of the bellows is clamped between the throttling core and the sealing table for sealing, and the rear large end of the bellows is clamped between the mounting port and the adjusting seat for sealing.

[0008] Further, the aforementioned flow regulating device, wherein: the inlet of the liquid outlet pipe is oppositely arranged with the bellows.

[0009] Further, the flow regulating device, wherein: a pull column is further arranged on the outer end of the adjusting seat, each positioning slot is located between the pull column and the avoiding long hole, a pull spring is further arranged, one end of the pull spring is connected with the top of the handle, the other end of the pull spring is connected with the top of the pull column, the pull spring can provide a lateral pulling force for the handle, so that the handle needs to overcome the pulling force of the pull spring to leave the positioning slot after being clamped into the positioning slot.

[0010] Further, the flow regulating device, wherein: each throttling core shaft and the liquid inlet pipe are coaxially arranged.

[0011] Further, the flow regulating device, wherein: the throttling core and the inner end of the adjusting rod are threadedly connected.

[0012] Further, the flow regulating device, wherein: the structure of the sealing mechanism can also be that: a sealing groove is arranged between the adjusting rod and the adjusting seat, and a sealing ring is arranged in the sealing groove.

[0013] The flow regulating device can quickly and accurately change the flow area of the liquid inlet pipe by changing the positions of the throttling core shafts, so that the flow of the liquid outlet pipe can be quickly and accurately regulated, thereby enabling the filling machine applying the flow regulating device to quickly and accurately regulate the filling flow, saving time and effort, and greatly improving production efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a three-dimensional structure schematic view of the flow regulating device.

[0015] Figure 2 It is a flow regulating state schematic view of the flow regulating device.

[0016] Figure 3 It is another flow regulating state schematic view of the flow regulating device.

[0017] Figure 4 It is still another flow regulating state schematic view of the flow regulating device. DETAILED DESCRIPTION

[0018] The utility model will be described further in detail in combination with specific embodiment and drawings.

[0019] As Figure 1 , Figure 2As shown, the flow regulating device comprises a cylinder 1, the cylinder 1 is provided with a liquid inlet pipe 2 and a liquid outlet pipe 3 which are communicated with the inner cavity of the cylinder 1, during filling, the liquid outlet pipe 3 is connected with a filling valve 4, the liquid inlet pipe 2 is located on the front end of the cylinder 1, the rear end of the cylinder 1 is provided with an adjusting seat 5, liquid flows into the cylinder 1 from the liquid inlet pipe 2, and then flows out from the liquid outlet pipe 3, a sleeve 6 is arranged on the outer end of the adjusting seat 5, the sleeve 6 is communicated with the inner cavity of the cylinder 1 through a through hole on the adjusting seat 5, an adjusting rod 7 is movably arranged in the sleeve 6, the gap between the adjusting rod 7 and the adjusting seat 5 is sealed by a sealing mechanism, the inner end of the adjusting rod 7 is inserted into the inner cavity of the cylinder 1, a throttling core 8 is fixed on the inner end of the adjusting rod 7, in this embodiment, the throttling core 8 is provided with two throttling core shafts, the two throttling core shafts are coaxially arranged with the liquid inlet pipe 2, and are respectively a first throttling core shaft 9 and a second throttling core shaft 10, the two throttling core shafts are sequentially arranged along the front-rear direction of the cylinder 1, the cross-sectional area of the second throttling core shaft 10 is larger than that of the first throttling core shaft 9, a handle 11 is fixed on the outer end of the adjusting rod 7, a long avoiding hole 12 for avoiding the handle 11 is arranged on the side wall of the sleeve 6 along the axial direction of the sleeve 6, the handle 11 is located in the long avoiding hole 12, the handle 11 can drive the adjusting rod 7 to move forward and backward in the sleeve 6, after the adjusting rod 7 is driven to move forward, the two throttling core shafts can sequentially pass through the outlet of the liquid inlet pipe 2 and enter the liquid inlet pipe 2, when a throttling core shaft moves into the outlet of the liquid inlet pipe 2, the flow area of the outlet of the liquid inlet pipe 2 will be reduced to the area difference between the area of the outlet of the liquid inlet pipe 2 and the cross-sectional area of the throttling core shaft, three positioning grooves 13 are sequentially and spacedly arranged on one side of the long avoiding hole 12 along the long avoiding hole 12, each positioning groove 13 is communicated with the long avoiding hole 12, the adjusting rod 7 can be positioned by clamping the handle 11 into the positioning groove 13, except for the first positioning groove 13 located at the last side, the other positioning grooves 13 are one-to-one corresponding to each throttling core shaft, for example Figure 2 As shown, when the handle 11 is driven to be clamped into the first positioning groove 13, each throttling core shaft can be in a position which is not inserted into the liquid inlet pipe 2 and does not hinder the liquid outlet of the liquid inlet pipe 2, at this time, the flow of the liquid outlet pipe 3 is the largest, so as to realize the large flow filling of the filling valve 4, for example Figure 3 As shown, when the handle 11 is driven to be clamped into the second positioning groove 13, the first throttling core shaft 9 corresponding to the second positioning groove 13 can be in the outlet of the liquid inlet pipe 2, at this time, the flow area of the outlet of the liquid inlet pipe 2 will be reduced to the area difference between the area of the outlet of the liquid inlet pipe 2 and the cross-sectional area of the throttling core shaft, the area of the outlet of the liquid inlet pipe 2 is calculated by the diameter D, the cross-sectional area of the first throttling core shaft 9 is calculated by the diameter d1, at this time, the flow of the liquid outlet pipe 3 can be adjusted and reduced to the value corresponding to the second positioning groove 13, so as to realize the medium flow filling of the filling valve 4; for example Figure 4As shown, when the handle 11 is driven to be clamped into the third positioning slot 13, the second throttling core shaft 10 corresponding to the third positioning slot 13 can be located in the outlet of the liquid inlet pipe 2, at this time, the flow area of the outlet of the liquid inlet pipe 2 will be reduced to the area difference between the area of the outlet of the liquid inlet pipe 2 calculated by the diameter D and the cross-sectional area of the second throttling core shaft 10 calculated by the diameter d2, at this time, the flow of the liquid outlet pipe 3 can be adjusted and reduced to the value corresponding to the third positioning slot 13, so as to realize the small-flow filling of the filling valve 4.

[0020] In the embodiment, the mounting port 14 is arranged on the rear end of the cylinder body 1, and the adjusting seat 5 is fixed to the mounting port 14 to close the mounting port 14, so that the installation is facilitated.

[0021] The structure of the sealing mechanism is that the bellows 15 is arranged in the inner cavity of the cylinder body 1, the bellows 15 is sleeved on the adjusting rod 7, the sealing table 16 is arranged on the inner end of the adjusting rod 7, the front small end of the bellows 15 is clamped between the throttling core 8 and the sealing table 16 for sealing, and the rear large end of the bellows 15 is clamped between the mounting port 14 and the adjusting seat 5 for sealing. The bellows 15 can well seal the gap between the adjusting rod 7 and the adjusting seat 5.

[0022] The inlet of the liquid outlet pipe 3 is arranged opposite to the bellows 15, so as to avoid the pipeline dead zone at the bellows 15 and ensure that there is no cleaning dead angle in the inner part of the cylinder body 1.

[0023] The pull column 17 is further arranged on the outer end of the adjusting seat 5, each positioning slot 13 is located between the pull column 17 and the avoiding long hole 12, and the pull spring 18 is further arranged, one end of the pull spring 18 is connected with the top of the handle 11, and the other end of the pull spring 18 is connected with the top of the pull column 17, the pull spring 18 can provide a lateral pulling force for the handle 11, so that the handle 11 needs to overcome the pulling force of the pull spring 18 to leave the positioning slot 13 after being clamped into the positioning slot 13, so that the handle 11 can be prevented from being separated from the positioning slot 13 by itself, thereby the reliability of the flow adjustment can be greatly improved.

[0024] In order to facilitate the installation, the throttling core 8 and the inner end of the adjusting rod 7 are threadedly connected, and in actual production, the throttling core 8 can also be fixed to the inner end of the adjusting rod 7 by bolts.

[0025] In actual production, the structure of the sealing mechanism can also be that the sealing groove is arranged between the adjusting rod 7 and the adjusting seat 5, and the sealing ring is arranged in the sealing groove.

Claims

1. A flow regulating device, characterized in that: include: The cylinder has an inlet pipe and an outlet pipe connected to its inner cavity. The inlet pipe is located at the front end of the cylinder, and an adjusting seat is located at the rear end. Liquid flows in through the inlet pipe, passes through the inner cavity of the cylinder, and flows out through the outlet pipe. A sleeve is installed on the outer end of the adjusting seat, and the sleeve is connected to the inner cavity of the cylinder through a through hole on the adjusting seat. An adjusting rod is movably inserted through the sleeve. The gap between the adjusting rod and the adjusting seat is sealed by a sealing mechanism. The inner end of the adjusting rod is inserted into the inner cavity of the cylinder. A throttling core is fixed on the top, and several throttling mandrels are set on the throttling core. The throttling mandrels are arranged sequentially along the front-back direction of the cylinder, and the cross-sectional area of ​​each subsequent throttling mandrel is larger than that of the preceding throttling mandrel. A handle is fixed to the outer end of the adjusting rod. An obstruction hole is provided along the axial direction of the sleeve sidewall to avoid the handle. The handle is located in the obstruction hole. The adjusting rod can be driven to move back and forth in the sleeve through the handle. After the adjusting rod is driven forward, each throttling mandrel can pass through the inlet pipe in sequence. The liquid enters the inlet pipe through the outlet. When a throttling mandrel moves into the outlet of the inlet pipe, the flow area of ​​the inlet pipe outlet will be reduced to the difference between the area of ​​the inlet pipe outlet and the cross-sectional area of ​​the throttling mandrel. Several positioning slots are arranged sequentially and at intervals along the clearance elongated hole on one side. Each positioning slot is connected to the clearance elongated hole. The adjusting rod can be positioned by inserting the handle into the positioning slot. Except for the first positioning slot located at the rear, the other positioning slots correspond one-to-one with each throttling mandrel. When the handle is driven to be inserted into the first positioning slot, each throttling mandrel can be in a position where it is not inserted into the inlet pipe and does not obstruct the liquid outlet of the inlet pipe. At this time, the flow rate of the outlet pipe is the maximum. When the handle is driven to be inserted into other positioning slots, the throttling mandrel corresponding to the inserted positioning slot can be in the outlet of the inlet pipe, and the next adjacent throttling mandrel can be in a position where it does not obstruct the liquid outlet of the inlet pipe. At this time, the flow rate of the outlet pipe can be adjusted and reduced to the value corresponding to the inserted positioning slot.

2. The flow regulating device according to claim 1, characterized in that: An installation port is provided at the rear end of the cylinder, and an adjusting seat is fixed to the installation port to seal it.

3. The flow regulating device according to claim 2, characterized in that: The sealing mechanism is structured as follows: a bellows is installed in the inner cavity of the cylinder, the bellows is fitted onto the adjusting rod, a sealing platform is installed on the inner end of the adjusting rod, the small front end of the bellows is clamped between the throttling core and the sealing platform for sealing, and the large rear end of the bellows is clamped between the installation port and the adjusting seat for sealing.

4. The flow regulating device according to claim 3, characterized in that: The inlet of the outlet pipe is arranged opposite to the corrugated pipe.

5. The flow regulating device according to claim 1, 2, 3, or 4, characterized in that: A pull post is also provided on the outer end of the adjustment seat. Each positioning slot is located between the pull post and the clearance elongated hole. A tension spring is also provided. One end of the tension spring is connected to the top of the handle, and the other end of the tension spring is connected to the top of the pull post. The tension spring can provide lateral tension to the handle, so that the handle needs to overcome the tension of the tension spring to leave the positioning slot after it is inserted into the positioning slot.

6. The flow regulating device according to claim 1, 2, 3, or 4, characterized in that: Each throttling mandrel and inlet pipe is arranged coaxially.

7. The flow regulating device according to claim 1, 2, 3, or 4, characterized in that: The throttling core and the inner end of the regulating rod are connected by threads.

8. The flow regulating device according to claim 1 or 2, characterized in that: The sealing mechanism has the following structure: a sealing groove is provided between the adjusting rod and the adjusting seat, and a sealing ring is provided in the sealing groove.

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