Electric ball valve convenient to disassemble

Abstract

The utility model provides an electric ball valve convenient to disassemble. The electric ball valve convenient to disassemble comprises a support, a servo motor, a speed reducer, a driving shaft, a connecting flange, a first positioning seat, a second positioning seat and a ball valve body. The power output end of the servo motor is connected with the speed reducer; the speed reducer is fixed to the rear side of the support, and the power output end of the speed reducer is connected with the driving shaft. A positioning hole is formed in the driving shaft; the connecting flange is fixed to the front side of the support and arranged on the outer side of the driving shaft in a sleeving mode. The first positioning seat is fixed on the front side of the connecting flange; the second positioning seat is fixed on the rear side of the ball valve; the second positioning seat is matched with the first positioning seat and is fixedly connected with the first positioning seat through a bolt; a valve rod of the ball valve extends into a positioning hole of the driving shaft; the design is high in control precision, the ball valve is fast and convenient to maintain, and the maintenance cost is low.

Description

TECHNICAL FIELD

[0001] The utility model relates to filling machine field, especially a kind of easy disassembly electric ball valve. BACKGROUND

[0002] The filling machine of the past opens the valve of valve body by electromagnetic valve or manual mode, glue is filled into container, until the value on electronic scale reaches requirement, then control valve closes, this mode control is not accurate, the capacity error filled in container is difficult to meet set requirement, and valve body needs to be maintained periodically, the ball valve of the past is inconvenient to disassemble, maintenance cost is high, and efficiency is slow, thus still need to be improved. SUMMARY

[0003] The utility model aims at providing a kind of easy disassembly electric ball valve to solve the problem mentioned in background art.

[0004] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0005] An easy disassembly electric ball valve, comprising a support, a servo motor, a speed reducer, a drive shaft, a connecting flange, a first positioning seat, a second positioning seat and a ball valve, the power output end of the servo motor is connected with the speed reducer, the speed reducer is fixed on the rear side of the support and the power output end is connected with the drive shaft, the drive shaft is provided with a positioning hole, the connecting flange is fixed on the front side of the support and is sleeved on the outside of the drive shaft, the first positioning seat is fixed on the front side of the connecting flange, the second positioning seat is fixed on the rear side of the ball valve, the second positioning seat is matched with the first positioning seat and is fixedly connected through a latch, and the valve stem of the ball valve extends into the positioning hole of the drive shaft.

[0006] Further description of the utility model, the positioning hole is a square hole, and the rear end of the valve stem of the ball valve is a square shaft matched with the square hole.

[0007] Further description of the utility model, further comprising a dust cover, the dust cover is installed on the support and covers the outside of the servo motor and the speed reducer.

[0008] The utility model has the advantages that:

[0009] The servo motor of the design controls the rotation of the drive shaft through the speed reducer, thereby controlling the opening and closing size of the ball valve, the servo motor can control the rotation angle of the drive shaft with high precision, thereby realizing the timely control of flow, and the control precision is high, and when the ball valve of the design needs to be maintained, only the latch is pulled out to separate the first positioning seat from the second positioning seat, then the ball valve can be taken down for maintenance, which is quick and convenient and reduces the maintenance cost. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 It is the overall structure diagram of the utility model;

[0011] Figure 2 is the overall structure diagram of the hidden dust cover of the utility model;

[0012] Figure 3 is the structure diagram of the driving shaft of the utility model;

[0013] Figure 4 is the structure diagram of the first positioning seat and the second positioning seat of the utility model. DETAILED DESCRIPTION

[0014] The utility model is further described below in combination with the drawings:

[0015] As Figures 1-4 shown, a detachable electric ball valve, including support 41, servo motor 42, speed reducer 43, drive shaft 44, connecting flange 45, first positioning seat 46, second positioning seat 47 and ball valve 48;The power output end of servo motor 42 is connected with speed reducer 43;Speed reducer 43 is fixed at the back side of support 41 and the power output end is connected with drive shaft 44;Positioning hole 441 is arranged in drive shaft 44;Connecting flange 45 is fixed at the front side of support 41 and is sleeved on the outside of drive shaft 44;The first positioning seat 46 is fixed at the front side of connecting flange 45;The second positioning seat 47 is fixed at the back side of ball valve 48, and the upper end of ball valve 48 is connected with the glue supply barrel through the pipeline, and the lower end is the discharge port;The second positioning seat 47 cooperates with the first positioning seat 46 and is fixedly connected through the bolt;The valve stem of ball valve 48 extends into the positioning hole 441 of drive shaft 44;The servo motor 42 of the design controls the rotation of drive shaft 44 through speed reducer 43, thereby controlling the opening and closing size of ball valve 48, the rotation angle of servo motor 42 can be controlled with high precision, thereby realizing the timely control of flow, and the control precision is high, and when the ball valve 48 of the design needs to be maintained, only the bolt is pulled out, so that the first positioning seat 46 is separated from the second positioning seat 47, then the ball valve can be taken down for maintenance, which is quick and convenient and reduces the maintenance cost.

[0016] The positioning hole 441 is a square hole;The rear end of the valve stem of ball valve 48 is a square shaft matched with the square hole, and the stability and precision of transmission are improved by matching the square shaft with the square hole.

[0017] The front side of the first positioning seat 46 is provided with four positioning grooves 461 distributed in a circle;The two sides of the positioning groove 461 are respectively provided with a first pin hole 462;The rear side of the second positioning seat 47 is provided with four positioning bosses 471 matched with the positioning groove 461;The second pin hole 472 is arranged on the positioning boss 471;The bolt is inserted into the first pin hole 462 and the second pin hole 472, so that the first positioning seat 46 and the second positioning seat 47 are fixed, and the structure is stable and has high positioning precision.

[0018] The dust cover 49 is installed on the support 41 and covers the outside of the servo motor 42 and the speed reducer 43, and has a protective effect on the servo motor 42 and the speed reducer 43.

[0019] The above description is not intended to limit the technical scope of the present application, and any modification, equivalent change and modification of the above embodiments according to the technical essence of the present application still belong to the technical scope of the present application.

Claims

1. A quick-disassembly motor-operated ball valve, characterized by: The utility model provides a ball valve drive mechanism, including support, servo motor, speed reducer, drive shaft, connecting flange, first locating seat, second locating seat and ball valve, the power output end of servo motor is connected with speed reducer, speed reducer is fixed in support rear side and power output end is connected with drive shaft, drive shaft is equipped with locating hole in, connecting flange is fixed in support front side and is set in drive shaft outside, first locating seat is fixed in connecting flange front side, second locating seat is fixed in ball valve rear side, second locating seat is cooperated with first locating seat and is fixedly connected through bolt, the valve stem of ball valve extends into the locating hole of drive shaft.

2. A quick-disassembly motor-operated ball valve according to claim 1, characterized in that: The locating hole is a square hole, and the rear end of the valve stem of the ball valve is a square shaft matched with the square hole.

3. A quick-disassembly motor-operated ball valve according to claim 1, characterized in that: The utility model further comprises a dust cover; The dust cover is mounted on the support and covers the servo motor and the speed reducer.

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