CN206361228U - A kind of all-plastic shell actuator of high-strength corrosion-resisting - Google Patents

A kind of all-plastic shell actuator of high-strength corrosion-resisting Download PDF

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Publication number
CN206361228U
CN206361228U CN201621468665.6U CN201621468665U CN206361228U CN 206361228 U CN206361228 U CN 206361228U CN 201621468665 U CN201621468665 U CN 201621468665U CN 206361228 U CN206361228 U CN 206361228U
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CN
China
Prior art keywords
actuator
lower house
high
kind
strength corrosion
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CN201621468665.6U
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Chinese (zh)
Inventor
庞鸿飞
赵冶
李丽
李�昊
申朝朝
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天津特克执行器有限公司
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Priority to CN201621468665.6U priority Critical patent/CN206361228U/en
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Publication of CN206361228U publication Critical patent/CN206361228U/en

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Abstract

The utility model is related to a kind of all-plastic shell actuator of high-strength corrosion-resisting, including lower house and upper shell, motor, multi-stage speed-reducing drive disk assembly and control circuit module are installed in upper and lower shell body, the motor connects output shaft by multi-stage speed-reducing drive disk assembly, control circuit module connects motor, upper and lower casing is made of plastic material, the inner housing that one metal material of setting-in is made in lower house, output shaft hole is formed with the middle part of inner housing, the bottom of the inner housing is formed with standard installation through-hole, and the lower surface of the inner housing is less than the size of lower surface one of lower house.The inner housing that this actuator passes through the installation metal material in plastic casing, and the decelerator of actuator is arranged on inner housing, and inner housing is connected with valve, so that shell no longer because actuator torque output and stress, reduce the intensity requirement to sheathing material, it is achieved thereby that actuator all-plastic shelling machine, effectively reduces cost, and improve the corrosion resistance of actuator.

Description

A kind of all-plastic shell actuator of high-strength corrosion-resisting

Technical field

The utility model belongs to technical field of valve control, and the all-plastic shell of especially a kind of high-strength corrosion-resisting is performed Device.

Background technology

Actuator is a kind of drive device of driving valve event, is widely used in automation equipment.At present, it is existing to hold The material of row device shell is divided into two kinds of metal shell and plastic casing, and metal shell is typically employed in more than torsion 50N/m field Close, if torsion is less than 50N/m, typically from plastic casing, it is therefore an objective to cost can be reduced.

Because the characteristic of plastics material itself is limited, outer cover intensity and its anti-impact force are not so good as metal shell, so can only With on the actuator of smaller moment of torsion.But in the stronger environment of some corrosivity, the particularly actuator demand of high pulling torque In, the actuator of metal shell is just be not as good as the corrosion resistance characteristic of plastic casing.

In addition, by the discovery that studies for a long period of time, the multiturn potentiometer of existing many revolution actuators is arranged on output shaft mostly On, multiturn potentiometer is a kind of can to make the potentiometer of change in resistance, existing execution by the mechanical angle of multiple rotations The number of turns that many revolving structures of device can be turned by output shaft adjusts potentiometer, so that the change of resistance value is realized, so as to feel The number of turns and angle that valve turns should be arrived.But, the multiturn potentiometer in existing many revolution YEs is generally existed Volume is larger, installation is complicated and the higher defect of cost, and due to the presence of return difference, the precision of multiturn potentiometer is not high, and And the detent mechanism in the existing many revolving structures of actuator is necessarily placed on output shaft, if output shaft concentricity compared with In the case of low potentiometer can be caused to be damaged.

Based on above mentioned problem, a corrosion resistance of urgent need exploitation is strong, the actuator of high pulling torque.

Utility model content

The purpose of this utility model be to overcome the deficiencies in the prior art there is provided a kind of all-plastic of high-strength corrosion-resisting outside Shell actuator.

What scheme of the present utility model was realized in:

A kind of all-plastic shell actuator of high-strength corrosion-resisting, including lower house and upper shell, upper and lower casing sealing Fastening is installed together, and motor, multi-stage speed-reducing drive disk assembly and control circuit module are installed in the upper and lower shell body, and the motor leads to Multistage deceleration transmission part connection output shaft is crossed, control circuit module connection motor, the upper and lower casing uses plastics material Material is made, the decelerator base that one metal material of setting-in is made in the lower house, and receiving output is formed with the middle part of the decelerator base The output shaft hole of axle, the bottom of the decelerator base is formed with standard installation through-hole, and the lower end of the decelerator base is convex downwards Go out the size of lower surface one of lower house.

Moreover, the mounting structure of the decelerator base and lower house is:The corner of bottom surface four of the lower house is to downward Stretch and be integrally formed with multiple lower annular protrusions, the decelerator base inner end that should descend annular protrusion is integrally upwardly extended and is formed with Annular protrusion, the inwall of each upper annular protrusion is formed with internal thread, is firmly connected lower house with decelerator base by screw It is connected together.

Moreover, oil sealing is installed between the output shaft and decelerator base, the output shaft above the oil sealing and decelerator bottom Bearing is installed between seat.

Moreover, the inner end of the lower house is formed with the annular groove for accommodating sealing ring, the cross section structure of annular groove is T Type structure.

Moreover, the side of the lower house is installed is connected with multiple water joints in terminal box, the terminal box, the waterproof connects Head interior sealing installs cable, and the cable is connected with the binding post in terminal box, and the binding post is welded on circuit boards, the electricity Road plate is connected with the control circuit module in lower house.

Moreover, the circuit board tilts down 15-60 degree.

It is formed with moreover, the outer edge of the terminal box is formed with the middle part of multiple mounting holes being connected with lower house, the terminal box It is close that the inboard end face of terminal box on the outside of the water joint mounting hole being connected with water joint, the water joint mounting hole is formed with receiving The annular groove of seal.

Moreover, the output shaft is gear shaft structure, the bottom of the output shaft is used for connecting valve, the output shaft it is upper The coaxially connected rotating shaft in end, the upper end of the rotating shaft is coaxially fixedly mounted with driving wheel, and the driving wheel is engaged with driven pulley, and the driven pulley is same Axle installs connecting shaft, and the end of the connecting shaft is co-axially mounted position sensor.

Moreover, the control circuit module connects a power-off restoration unit, the power-off restoration unit includes power-off switching mould Block, AC/DC modules, charge-discharge protection circuit and rechargeable battery, the power-off handover module connect external power source and motor respectively, The power-off handover module also includes two handoff legs, wherein a branch road is sequentially connected charge-discharge protection circuit and charging electricity Pond, another branch road connects external power source by AC/DC modules, and the charge-discharge protection circuit connects outside by AC/DC modules Power supply.

Moreover, the charge-discharge protection circuit is made up of model HM8254 chip and its peripheral circuit.

Advantage of the present utility model and good effect are:

1st, this actuator is in plastic casing by installing the decelerator base of metal material, and by the decelerator of actuator It is arranged on decelerator base, and decelerator base is connected with valve, so that shell is no longer because the moment of torsion of actuator is defeated Go out and stress, reduce the intensity requirement to sheathing material, it is achieved thereby that actuator all-plastic shelling machine, is effectively reduced Cost, it is most important that improve the corrosion resistance of actuator.

2nd, sealing ring is installed between the decelerator base and lower house of this actuator, realizes actuator and integrally reach IP67 Sealing grade.

3rd, terminal box is installed in the side of this actuator, by the setting of terminal box can fast and easy wiring, and sealing is high, Drastically increase the convenience and efficiency of construction of construction.

4th, the position sensor in this actuator makes the control of its rotating cycle 360 by the design of gear reduction Within degree, life-span and the positioning precision of position sensor are effectively increased.

The 5th, power-off restoration unit is installed, it is ensured that actuator constantly in the state being powered, is improved whole in this actuator The stability of individual system operation.

6th, the utility model is simple in construction, design science is reasonable, be skillfully constructed, with corrosion resistance is high, intensity is big, cost It is low, the features such as sealing is high, the value with wide popularization and application.

Brief description of the drawings

Fig. 1 is front view of the present utility model;

Fig. 2 is Fig. 1 A-A to sectional view;

Fig. 3 is Fig. 2 I portions enlarged drawing;

Fig. 4 is Fig. 1 upward view;

Fig. 5 is B-B direction sectional view in Fig. 1;

Fig. 6 is the top view of lower house;

Fig. 7 be in Fig. 6 C-C to sectional view;

Fig. 8 is the structural representation of hiding terminal box in Fig. 1;

Fig. 9 is the front view of terminal box in Fig. 1;

Figure 10 is Fig. 9 top view;

Figure 11 is the mounting structure figure of the utility model Position Sensor;

Figure 12 is the connection block diagram of power-off restoration unit in the utility model;

Figure 13 is the circuit diagram of charge-discharge protection circuit in Figure 12.

Embodiment

Below in conjunction with the accompanying drawings and the utility model is described in further detail by specific embodiment.

A kind of all-plastic shell actuator of high-strength corrosion-resisting, as shown in figure 1, including lower house 2 and upper shell 1, should Upper and lower casing sealing fastening is installed together, and motor, multi-stage speed-reducing drive disk assembly and control circuit are installed in the upper and lower shell body Module, the motor connects output shaft 20, control circuit module connection motor by multi-stage speed-reducing drive disk assembly.

Innovative point of the present utility model is:

1st, the upper and lower casing is made of plastic material, the deceleration that one metal material of setting-in is made in the lower house The ladder axis hole for accommodating output shaft is formed with the middle part of device base 7, the decelerator base, as shown in Figure 2,4, outside the decelerator base Shape structure is similar to lower house, and the upper edge of the decelerator base is less than the upper edge of lower house, the bottom of the decelerator base Portion is formed with the standard installation hole for meeting ISO-5211 being connected with valve, and the mounting structure of the decelerator base and lower house is as schemed Shown in 5, the corner of bottom surface four of the lower house, which is extended downwardly, is integrally formed with four lower annular protrusions 6, to that should descend annular protrusion Decelerator base inner end, which is equally integrally upwardly extended, is formed with annular protrusion 8, and the inwall of each upper annular protrusion is formed with interior spiral shell Line, lower house is securely attached to decelerator base by screw together with, and screw cap is inlaid in lower annular protrusion, is kept away Exempt from abrasion;The lower surface of the decelerator base protrudes from the size E of lower surface one of lower house, as shown in figure 3, size E is logical Often greater than 0.2mm, the part such as the multi-stage speed-reducing drive disk assembly and its motor of actuator is respectively provided with this decelerator base, so Plastic casing transmission torsion suffered in transmission process is reduced, the structure ensure that the decelerator base and valve of metal material Door connection, effectively increases the intensity of actuator, while plastic casing is but also with corrosion resistance, and cost is low.

Oil sealing 21 is installed between output shaft and the decelerator base, as shown in Fig. 2 sealing property is effectively increased, should Bearing 22 is installed between the output shaft and decelerator base above oil sealing.

In order to improve the sealing property between decelerator base and lower house, the inner face of the lower house is formed with receiving sealing The annular groove 9 of circle, as shown in Figure 6, Figure 7, the cross section structure of the annular groove is T-type structure.

2nd, the side of the lower house only has plane, and the plane installs terminal box 3 by screw, as shown in figure 1, the wiring Two water joints 4 are connected with box, the water joint interior sealing installs cable 5, the cable and the binding post in terminal box 11 connections, as shown in figure 8, binding post welding is on the circuit board 10, the circuit board and the control circuit module in lower house Connection, for the ease of wiring, the circuit board tilts down 15-60 degree.By the design of terminal box, cable and execution are realized The connected mode of device wiring fast-assembling, is not only simple in structure, the most important convenience for being easy for wiring, improving construction.

As shown in Figure 9, Figure 10, the outer edge of the terminal box is formed with what is be connected with lower house to the installation end face of the terminal box The water joint mounting hole 13 being connected with water joint, terminal box inboard end face one are formed with the middle part of mounting hole 14, the terminal box System has annular protrusion 12, and the annular protrusion outer edge is formed with the annular groove 12A for accommodating sealing ring, thus improves terminal box Sealing property between lower box body.

3rd, the output shaft is gear shaft structure, as shown in Figure 10, and the bottom of the output shaft is used for connecting valve, and this is defeated The coaxially connected rotating shaft 19 in upper end of shaft, the upper end of the rotating shaft is fixedly mounted with driving wheel 17, and the driving wheel, should by reducing gear Reducing gear in the end installation site sensor 15 of reducing gear, the present embodiment accompanying drawing is primary gear speed reducing, and this is actively Wheel is engaged with driven pulley 18, and the driven pulley is co-axially mounted connecting shaft 16, and the end of the connecting shaft is co-axially mounted position sensor.

By the setting of reducing gear in the present embodiment, the output shaft for realizing actuator turn multi-turn and position sensor most The purpose turned around more, under normal circumstances position sensor turn a quarter circle i.e. 90 degree, pass through the design principle of The gear deceleration The revolution of position sensor is effectively reduced, the service life and positioning precision of position sensor is improved.

The reducing gear is The gear deceleration or belt slowing-down structure.

4th, the control circuit module connects a power-off restoration unit, as shown in figure 12, and the power-off restoration unit includes disconnected Electric handover module, AC/DC modules, charge-discharge protection circuit and rechargeable battery, the front end connection of the power-off handover module are outside In COM ends connection motor in power supply, the power-off restoration unit, two other branch roads of power-off handover module, wherein a branch Road NC is sequentially connected charge-discharge protection circuit and rechargeable battery, and another branch road NO connects external power source by AC/DC modules, should Charge-discharge protection circuit connects external power source by AC/DC modules.

The circuit diagram of the charge-discharge protection circuit is as shown in figure 13, by model HM8254 chip and its peripheral circuit Constitute.

The operation principle of power-off restoration unit is:

When external power source normal power supply, the switch automatic pick in power-off handover module, COM is connected with NO branch roads, So as to realize that external power source is powered for motor, now charge-discharge protection circuit charges.

When external power source is powered off, the switch automatic pick in power-off handover module, COM is connected with NC branch roads, so that Realize that rechargeable battery is powered for motor, now charge-discharge protection circuit discharges.

Pass through the power-off restoration circuit, it is ensured that state of the motor constantly in power supply, it is to avoid cause because of power-off suddenly The problem of actuator is stopped, it is ensured that whole system normal work.

It is emphasized that embodiment described in the utility model is illustrative, rather than it is limited, therefore this reality It is every new according to this practicality by those skilled in the art with the new embodiment including being not limited to described in embodiment The other embodiment that the technical scheme of type is drawn, also belongs to the scope of the utility model protection.

Claims (10)

1. a kind of all-plastic shell actuator of high-strength corrosion-resisting, including lower house and upper shell, the upper and lower casing seal buckle Conjunction is installed together, and motor, multi-stage speed-reducing drive disk assembly and control circuit module are installed in the upper and lower shell body, and the motor passes through Multi-stage speed-reducing drive disk assembly connects output shaft, control circuit module connection motor, it is characterised in that:The upper and lower casing is equal It is made, the decelerator base that one metal material of setting-in is made in the lower house, is made in the middle part of the decelerator base of plastic material There is the output shaft hole for accommodating output shaft, the bottom of the decelerator base is formed with standard installation through-hole, under the decelerator base The size of lower surface one of the downwardly projecting lower house of end face.
2. a kind of all-plastic shell actuator of high-strength corrosion-resisting according to claim 1, it is characterised in that:It is described to subtract The mounting structure of fast device base and lower house is:The corner of bottom surface four of the lower house, which is extended downwardly, is integrally formed with multiple lower annulars Projection, integrally upwardly extends to the decelerator base inner end that should descend annular protrusion and is formed with upper annular protrusion, each upper annular Raised inwall is formed with internal thread, lower house is securely attached to decelerator base by screw together with.
3. a kind of all-plastic shell actuator of high-strength corrosion-resisting according to claim 1, it is characterised in that:It is described defeated Oil sealing is installed between shaft and decelerator base, bearing is installed between the output shaft and decelerator base above the oil sealing.
4. a kind of all-plastic shell actuator of high-strength corrosion-resisting according to claim 1, it is characterised in that:Under described The inner end of housing is formed with the annular groove for accommodating sealing ring, and the cross section structure of annular groove is T-type structure.
5. a kind of all-plastic shell actuator of high-strength corrosion-resisting according to claim 1, it is characterised in that:Under described The side of housing is installed and is connected with multiple water joints in terminal box, the terminal box, and the water joint interior sealing installs cable, should Cable is connected with the binding post in terminal box, and the binding post is welded on circuit boards, the circuit board and the control in lower house Circuit module connection processed.
6. a kind of all-plastic shell actuator of high-strength corrosion-resisting according to claim 5, it is characterised in that:The electricity Road plate tilts down 15-60 degree.
7. a kind of all-plastic shell actuator of high-strength corrosion-resisting according to claim 5, it is characterised in that:It is described to connect The outer edge of line box is formed with the middle part of multiple mounting holes being connected with lower house, the terminal box and is formed with the waterproof being connected with water joint The inboard end face of terminal box on the outside of joint mounting hole, the water joint mounting hole is formed with the annular groove for accommodating sealing ring.
8. a kind of all-plastic shell actuator of high-strength corrosion-resisting according to claim 1, it is characterised in that:It is described defeated Shaft is gear shaft structure, and the bottom of the output shaft is used for connecting valve, and the coaxially connected rotating shaft in upper end of the output shaft should The upper end of rotating shaft is coaxially fixedly mounted with driving wheel, and the driving wheel is engaged with driven pulley, and the driven pulley is co-axially mounted connecting shaft, the connection The end of axle is co-axially mounted position sensor.
9. a kind of all-plastic shell actuator of high-strength corrosion-resisting according to claim 1, it is characterised in that:The control Circuit module processed connects a power-off restoration unit, and the power-off restoration unit includes power-off handover module, AC/DC modules, discharge and recharge Protection circuit and rechargeable battery, the power-off handover module connect external power source and motor respectively, and the power-off handover module is also wrapped Two handoff legs are included, wherein a branch road is sequentially connected charge-discharge protection circuit and rechargeable battery, another branch road passes through AC/ DC modules connect external power source, and the charge-discharge protection circuit connects external power source by AC/DC modules.
10. a kind of all-plastic shell actuator of high-strength corrosion-resisting according to claim 9, it is characterised in that:It is described Charge-discharge protection circuit is made up of model HM8254 chip and its peripheral circuit.
CN201621468665.6U 2016-12-29 2016-12-29 A kind of all-plastic shell actuator of high-strength corrosion-resisting CN206361228U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621468665.6U CN206361228U (en) 2016-12-29 2016-12-29 A kind of all-plastic shell actuator of high-strength corrosion-resisting

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621468665.6U CN206361228U (en) 2016-12-29 2016-12-29 A kind of all-plastic shell actuator of high-strength corrosion-resisting

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CN206361228U true CN206361228U (en) 2017-07-28

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Application Number Title Priority Date Filing Date
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106523766A (en) * 2016-12-29 2017-03-22 天津特克执行器有限公司 High-strength anticorrosive all-plastic casing actuator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106523766A (en) * 2016-12-29 2017-03-22 天津特克执行器有限公司 High-strength anticorrosive all-plastic casing actuator

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