Anti-surge electric actuator with anti-locking mechanism

Abstract

The utility model relates to the technical field of electric actuators, and discloses an anti-surge electric actuator with an anti-jamming mechanism, which comprises a front control seat, the rear end of the front control seat is connected with a rear control seat, a main shaft is inserted into the top of the rear control seat, a hand wheel is mounted at the top of the main shaft, and the anti-jamming mechanism is mounted on the hand wheel. A separable sleeve shaft is installed in the rear control base, and an auxiliary worm wheel is arranged outside the separable sleeve shaft. According to the utility model, the anti-locking structure is arranged, so that the rotating motor in the rear protective cover drives the auxiliary rotating wheel and the rotating worm to rotate during use, and the rotating worm drives the auxiliary worm gear outside the separable sleeve shaft to be engaged; before and after use, grease can be injected into the oil storage box through the conveying pipe via the rubber plug at the rear end of the rear control seat, then the grease in the oil storage box is immersed into the oil absorption cotton layer and then drips between the rotating worm and the auxiliary worm gear, the lubricity between the auxiliary worm gear and the rotating worm is improved, and therefore the anti-jamming function is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric actuator technical field, concretely is a kind of anti-surge electric actuator with anti-jamming mechanism. BACKGROUND

[0002] Electric actuator is a kind of device that converts electrical energy into mechanical movement, for driving valve, baffle, gate and other equipment, widely used in industrial automation, energy, water treatment, HVAC system and other fields, electric actuator realizes accurate position control, speed control or torque control by receiving control signal, applicable to general industrial environment.

[0003] In the use process of electric actuator, the valve or baffle driven by actuator cannot move or deceleration mechanism such as worm gear, gear wears, deforms or assembly leads to jamming due to medium pressure, friction or etc. Therefore, we propose an anti-surge electric actuator with anti-jamming mechanism to improve the above problems. UTILITY MODEL CONTENT

[0004] The utility model aims at providing an anti-surge electric actuator with anti-jamming mechanism to solve the problems proposed in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: an anti-surge electric actuator with anti-jamming mechanism, comprising front control seat, the rear end of front control seat is connected with rear control seat, main shaft is inserted in the top of rear control seat, hand wheel is installed at the top of main shaft, detachable sleeve shaft is installed in the inside of rear control seat, auxiliary worm wheel is arranged on the outside of detachable sleeve shaft, rotating worm is engaged on the left side of auxiliary worm wheel, auxiliary rotating wheel is sleeved on the front and rear end of rotating worm, rubber plug is arranged on the right side of rear control seat, conveying pipe is connected on the left side of rubber plug, oil storage box is connected on the bottom of conveying pipe, oil absorption cotton layer is installed on the bottom of oil storage box.

[0006] As a further technical scheme of the utility model, hand wheel drives main shaft and detachable sleeve shaft inside rear control seat to rotate, rotating worm rotates inside rear control seat and threadedly engages with auxiliary worm wheel outside detachable sleeve shaft.

[0007] As a further technical scheme of the utility model, rubber plug is arranged on the right side of rear control seat, rubber plug is communicated with oil storage box through conveying pipe, oil storage box carries oil absorption cotton layer and is fixed above rotating worm and auxiliary worm wheel inside rear control seat.

[0008] As a further technical scheme of the utility model, the left side of the rear control seat is provided with a wiring terminal seat, the rear end of the rear control seat is connected with a rear protective cover, the bottom of the rear control seat is connected with a lower sliding seat, the inner side of the lower sliding seat is provided with a sliding block, the outer part of the sliding block is connected with a clamping seat, the top of the clamping seat is provided with a lifting rod, and the right side of the rear control seat is provided with a hand-automatic switching rod.

[0009] As a further technical scheme of the utility model, the front end of the front control seat is inlaid with a display screen, the front end of the front control seat is provided with a control unit, the rear end of the display screen is provided with a surge protection device, and the rear end of the surge protection device is provided with a control box body.

[0010] As a further technical scheme of the utility model, the control box body and the surge protection device are sequentially arranged in the inside of the front control seat, and the control box body, the display screen and the control unit are electrically connected with the surge protection device in the inside of the front control seat through wires.

[0011] As a further technical scheme of the utility model, the inner side of the rear protective cover is provided with a cooling fin, the inside of the cooling fin is provided with a cooling connecting ring, the inside of the rear protective cover is provided with a rotating motor, and the rear end of the rear protective cover is provided with a cooling fan.

[0012] As a further technical scheme of the utility model, the cooling connecting ring is arranged in the inside of the cooling fin, and the rotating motor is sequentially connected with the rear protective cover through the cooling fin.

[0013] Compared with the prior art, the utility model has the advantages that the anti-stuck anti-surge electric actuator has the functions of anti-sticking, anti-surge and function realization.

[0014] (1) by setting up anti-stuck structure, the utility model has the advantages that: when using, the main shaft is inserted into the inside of the rear control seat and drives the separable sleeve shaft in the inside of the rear control seat to rotate, then the auxiliary gear and the rotating worm are driven to rotate by the rotating motor in the inside of the rear protective cover, the auxiliary worm gear outside the separable sleeve shaft is driven to engage by the rotating worm, before and after use, the grease can be injected into the inside of the oil storage box through the conveying pipe through the rubber plug at the rear end of the rear control seat, then the grease in the inside of the oil storage box is immersed in the oil absorption cotton layer and dripped between the rotating worm and the auxiliary worm gear, the lubricity between the auxiliary worm gear and the rotating worm is increased, so that the anti-sticking function is realized.

[0015] (2) By setting the anti-surge structure, the utility model has the advantages that: in the use process, when the control box body inside the front control seat is electrified, the current will first enter the anti-surge protector, the anti-surge protector is conducted in a very short time, thereby avoiding the damage of the surge to the control box body and display screen and other equipment in the loop, thereby realize the anti-surge function;

[0016] (3) By setting the heat dissipation structure, the utility model has the advantages that: when the rotating motor is running, heat will be generated, the heat of the rotating motor is transmitted to the outside of the rear protective cover through the heat dissipation fin and the heat dissipation connecting ring, and at the same time, the rear protective cover rear end heat dissipation fan also removes part of the heat on the rotating motor, thereby realizing the heat dissipation function. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the front view structure schematic diagram of the utility model;

[0018] Figure 2 It is the rear protective cover and rear control seat side view section structure schematic diagram of the utility model;

[0019] Figure 3 It is the oil storage box and rubber plug enlarged structure schematic diagram of the utility model;

[0020] Figure 4 It is the front control seat side view section enlarged structure schematic diagram of the utility model;

[0021] Figure 5 It is the rear protective cover section enlarged structure schematic diagram of the utility model.

[0022] In the drawing: 1, hand wheel; 2, wiring terminal seat; 3, display screen; 4, hand automatic switching rod; 5, control unit; 6, front control seat; 7, lower sliding seat; 8, lifting rod; 9, clamping seat; 10, sliding block; 11, control box body; 12, anti-surge protector; 13, rear protective cover; 14, heat dissipation fin; 15, rotating motor; 16, heat dissipation connecting ring; 17, separable sleeve shaft; 18, auxiliary rotating wheel; 19, auxiliary worm wheel; 20, rotating worm; 21, oil storage box; 22, main shaft; 23, rear control seat; 24, rubber plug; 25, oil absorption cotton layer; 26, conveying pipe; 27, heat dissipation fan. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0024] Please refer to Figures 1-5 , the utility model provides an embodiment: a kind of anti-surge electric actuator with anti-jamming mechanism, the rear end of front control seat 6 is connected with rear control seat 23, main shaft 22 is inserted in the top of rear control seat 23, hand wheel 1 is installed in the top of main shaft 22, separable sleeve shaft 17 is installed in the inside of rear control seat 23, auxiliary worm 19 is provided in the outside of separable sleeve shaft 17, rotary worm 20 is engaged in the left side of auxiliary worm 19, auxiliary runner 18 is sleeved in the front and rear end of rotary worm 20, rubber plug 24 is provided in the right side of rear control seat 23, conveying pipe 26 is connected in the left side of rubber plug 24, oil storage box 21 is connected in the bottom of conveying pipe 26, oil absorption cotton layer 25 is installed in the bottom of oil storage box 21;

[0025] Hand wheel 1 drives main shaft 22 and separable sleeve shaft 17 inside rear control seat 23 to rotate, rotary worm 20 rotates inside rear control seat 23 and auxiliary worm 19 outside separable sleeve shaft 17 to thread engagement, rubber plug 24 is arranged in the right side of rear control seat 23, rubber plug 24 is communicated with oil storage box 21 by conveying pipe 26, oil storage box 21 carries oil absorption cotton layer 25 and is fixed in the top between rotary worm 20 and auxiliary worm 19 inside rear control seat 23;

[0026] Specifically, as Figure 1 , Figure 2 And Figure 3 Indicated, by setting anti-jamming structure, main shaft 22 is inserted inside rear control seat 23 and drives separable sleeve shaft 17 inside rear control seat 23 to rotate during use, then auxiliary runner 18 and rotary worm 20 are driven by rotary motor 15 inside rear protection cover 13 to rotate, so that rotary worm 20 drives auxiliary worm 19 outside separable sleeve shaft 17 to engage, before and after use, oil can be injected into the inside of oil storage box 21 through rubber plug 24 at the rear end of rear control seat 23 through conveying pipe 26, then the oil inside oil storage box 21 is immersed in the inside of oil absorption cotton layer 25 and dripped between rotary worm 20 and auxiliary worm 19, the lubricity between auxiliary worm 19 and rotary worm 20 is increased, so that anti-jamming function is realized.

[0027] The front end of front control seat 6 is inlaid with display screen 3, the front end of front control seat 6 is provided with control unit 5, the rear end of display screen 3 is installed with anti-surge protector 12, the rear end of anti-surge protector 12 is installed with control box body 11;

[0028] Control box body 11 and anti-surge protector 12 are installed in the inside of front control seat 6 in sequence, control box body 11, display screen 3 and control unit 5 are electrically connected with anti-surge protector 12 in the inside of front control seat 6 through wire;

[0029] Specifically, as Figure 2 AndFigure 4 As shown, by setting the anti-surge structure, during use, when the control box 11 inside the front control seat 6 is powered on, the current will first enter the anti-surge protector 12 inside, and the anti-surge protector 12 will conduct shunt in a very short time, thereby avoiding damage to the control box 11 and the display screen 3 and other devices in the circuit caused by surges, thereby realizing the anti-surge function.

[0030] The left side of the rear control seat 23 is provided with a wiring terminal seat 2, the rear end of the rear control seat 23 is connected with a rear protective cover 13, the bottom of the rear control seat 23 is connected with a lower sliding seat 7, the inner side of the lower sliding seat 7 is provided with a sliding block 10, the outer side of the sliding block 10 is connected with a clamping seat 9, the top of the clamping seat 9 is installed with a lifting rod 8, the right side of the rear control seat 23 is installed with a hand-automatic switching rod 4, the inner side of the rear protective cover 13 is installed with a cooling fin 14, the inside of the cooling fin 14 is inserted with a cooling connection ring 16, the inside of the rear protective cover 13 is installed with a rotating motor 15, and the rear end of the rear protective cover 13 is installed with a cooling fan 27;

[0031] The cooling connection ring 16 is inserted in the cooling fin 14, and the rotating motor 15 is connected with the rear protective cover 13 in sequence through the cooling fin 14;

[0032] Specifically, as shown in Figure 2 and Figure 5 , by setting the cooling structure, when the rotating motor 15 is running, heat will be generated, the heat of the rotating motor 15 is transmitted to the outside of the rear protective cover 13 through the cooling fin 14 and the cooling connection ring 16, and at the same time, the cooling fan 27 at the rear end of the rear protective cover 13 also removes part of the heat on the rotating motor 15, thereby realizing the cooling function.

[0033] Working principle: the utility model discloses in use through the control box body 11 inside the front control seat 6 to the electrification, the current will first enter the anti surge protector 12 inside, and the anti surge protector 12 is conducted in the extremely short time and shunts, thereby avoiding the damage of surge to the control box body 11 and display screen 3 etc. equipment in the loop, the control unit 5 in the front end of front control seat 6 carries out the adjustment, is driven auxiliary runner 18 and rotary worm 20 rotation through the rotation motor 15 inside the back protective cover 13, lets rotary worm 20 drive the auxiliary worm wheel 19 outside separable sleeve shaft 17 and engages, can before and after use inject the oil in the storage box 21 inside through the conveying pipe 26 through the rubber plug 24 at the back end of rear control seat 23, after the oil in the storage box 21 inside dips into the oil absorption cotton layer 25 inside and drops between rotary worm 20 and auxiliary worm wheel 19, increases the lubricity between auxiliary worm wheel 19 and rotary worm 20, the rotation motor 15 generates heat when running, and the heat of rotation motor 15 is passed through the fin 14 and the heat dissipation connecting ring 16 and is transmitted to the outside of back protective cover 13, and the heat dissipation fan 27 at the back end of back protective cover 13 also can remove the heat on the rotation motor 15, and then through the hand automatic switching rod 4 is adjusted at the right side of rear control seat 23, to adjust hand wheel 1 drive spindle 22 and drive the separable sleeve shaft 17 inside rear control seat 23 and rotate.

[0034] It is obvious for those skilled in the art that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the utility model is defined by the appended claims instead of the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

Claims

1. A surge-proof electric actuator with an anti-jamming mechanism, comprising a front control base (6), characterized in that: The rear end of the front control seat (6) is connected to the rear control seat (23). A main shaft (22) is inserted into the top of the rear control seat (23). A handwheel (1) is installed on the top of the main shaft (22). A separable sleeve shaft (17) is installed inside the rear control seat (23). An auxiliary worm gear (19) is provided outside the separable sleeve shaft (17). A rotating worm (20) is meshed on the left side of the auxiliary worm gear (19). An auxiliary rotating wheel (18) is sleeved on the front and rear ends of the rotating worm (20). A rubber plug (24) is provided on the right side of the rear control seat (23). A conveying pipe (26) is connected to the left side of the rubber plug (24). An oil storage box (21) is connected to the bottom of the conveying pipe (26). An oil-absorbing cotton layer (25) is installed at the bottom of the oil storage box (21).

2. A surge-proof electric actuator with an anti-jamming mechanism according to claim 1, characterized in that: The handwheel (1) drives the main shaft (22) to rotate and the separable sleeve shaft (17) inside the rear control seat (23). The rotating worm (20) rotates inside the rear control seat (23) and engages with the auxiliary worm wheel (19) outside the separable sleeve shaft (17) by thread.

3. A surge-proof electric actuator with an anti-jamming mechanism according to claim 1, characterized in that: The rubber plug (24) is located on the right side of the rear control seat (23). The rubber plug (24) is connected to the oil storage box (21) through the delivery pipe (26). The oil storage box (21) carries an oil-absorbing cotton layer (25) and is fixed above the rotating worm gear (20) and auxiliary worm wheel (19) inside the rear control seat (23).

4. A surge-proof electric actuator with an anti-jamming mechanism according to claim 1, characterized in that: A terminal block (2) is installed on the left side of the rear control seat (23). A rear protective cover (13) is connected to the rear end of the rear control seat (23). A lower sliding seat (7) is connected to the bottom of the rear control seat (23). A sliding block (10) is provided on the inner side of the lower sliding seat (7). A locking seat (9) is snapped onto the outside of the sliding block (10). A lifting rod (8) is installed on the top of the locking seat (9). A manual / automatic switching rod (4) is installed on the right side of the rear control seat (23).

5. A surge-proof electric actuator with an anti-jamming mechanism according to claim 1, characterized in that: The front control unit (6) is equipped with a display screen (3) at its front end, and a control unit (5) is provided at the front end of the front control unit (6). A surge protector (12) is installed at the rear end of the display screen (3), and a control box (11) is installed at the rear end of the surge protector (12).

6. A surge-proof electric actuator with an anti-jamming mechanism according to claim 5, characterized in that: The control box (11) and surge protector (12) are installed sequentially inside the front control seat (6). The control box (11), display screen (3) and control unit (5) are electrically connected to the surge protector (12) inside the front control seat (6) via wires.

7. A surge-proof electric actuator with an anti-jamming mechanism according to claim 4, characterized in that: A heat sink (14) is installed on the inner side of the rear protective cover (13), and a heat dissipation connecting ring (16) is inserted inside the heat sink (14). A rotating motor (15) is installed inside the rear protective cover (13), and a cooling fan (27) is installed at the rear end of the rear protective cover (13).

8. A surge-proof electric actuator with an anti-jamming mechanism according to claim 7, characterized in that: The heat dissipation connecting ring (16) is inserted inside the heat sink (14), and the rotating motor (15) is connected to the rear protective cover (13) in sequence through the heat sink (14).

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