CN219994535U - Switch type actuator - Google Patents

Abstract

The utility model provides a switch-type actuator, which comprises an actuator main body, wherein a manual screw rod is arranged on one side of the actuator main body, a limiting mechanism is arranged between the manual screw rod and the actuator main body, and the limiting mechanism comprises a rotating wheel fixedly connected with one end, far away from the limiting mechanism, of the manual screw rod; the rotary wheel is rotatably provided with a limiting holding piece, one side of the actuator main body is provided with a positioning piece, and the positioning piece is matched with the limiting holding piece to realize limiting of the rotary wheel. According to the utility model, through the limiting mechanism, the locating piece in the limiting mechanism is matched with the limiting holding piece to limit the rotating wheel, and the limiting holding piece is pushed to separate the limiting holding piece from the locating piece, so that unlocking can be realized, and the limiting holding piece can be held by an operator after being separated from the locating piece, so that the rotating wheel can be conveniently rotated through the limiting holding piece, and the use is facilitated.

Description

Switch type actuator

Technical Field

The utility model relates to the technical field of actuators, in particular to a switch-type actuator.

Background

The pneumatic actuator uses compressed air as energy, and has the characteristics of simple structure, reliable and stable action, larger output thrust, convenient maintenance, fire prevention and explosion prevention, and lower price, thereby being widely applied to the production processes of chemical industry, papermaking, oil refining and the like; the actuator is divided into a switch type actuator and an adjusting type actuator, wherein the switch type actuator only has two states of full open and full close when in use, and the adjusting type actuator can control the opening and closing angles;

in the prior art, the manual operation device is usually fixed by bolts or screws, but the bolts or screws are fixed in the prior art, so that the manual operation device is prevented from being operated by mistake.

Chinese utility model patent: CN202222305981.3, "a pneumatic actuator with improved wheel fixing structure", the specification of which discloses: the pneumatic actuator is usually provided with a certain auxiliary device, and is commonly provided with a valve positioner and a rotating wheel mechanism, wherein the rotating wheel mechanism has the effects that when a control system fails due to power failure, gas interruption and no output of a controller or failure of an actuating mechanism, the control valve can be directly operated by using the rotating wheel mechanism to maintain normal production, and in order to prevent the rotating wheel from influencing the normal operation of the pneumatic actuator due to rotation caused by false collision, such as body collision of operators, the common pneumatic actuator fixes the rotating wheel in a screw manner, and the screw rod is required to be unscrewed when the rotating wheel is normally started, so that the operation efficiency is reduced and inconvenience is caused; the above patent can be used to demonstrate the drawbacks of the prior art.

We have therefore made improvements to this and have proposed a switch-type actuator.

Disclosure of Invention

The utility model aims at: the manual operation device is fixed through bolts or screws, so that the problem of inconvenient operation exists.

In order to achieve the above object, the present utility model provides a switch-type actuator to improve the above problems.

The utility model is specifically as follows:

the manual screw is arranged on one side of the actuator main body, a limiting mechanism is arranged between the manual screw and the actuator main body, and the limiting mechanism comprises a rotating wheel fixedly connected with one end, far away from the limiting mechanism, of the manual screw;

the rotary wheel is rotatably provided with a limiting holding piece, one side of the actuator main body is provided with a positioning piece, and the positioning piece is matched with the limiting holding piece to realize limiting of the rotary wheel.

As a preferable technical scheme of the utility model, the limiting holding piece is separated from the positioning piece and then used for assisting a user to rotate the rotating wheel.

As the preferable technical scheme of the utility model, the limiting holding piece comprises a groove arranged at one side of the rotating wheel, a connecting rod III is fixedly arranged in the groove, and a connecting rod I is sleeved on the outer surface of the connecting rod III;

one end of the first connecting rod is located in the groove, one end of the first connecting rod located in the groove is in an arc-shaped mode, and the side face of the first connecting rod is in contact with the side wall of the groove.

As the preferable technical scheme of the utility model, one side of the first connecting rod is fixedly connected with a second connecting rod, and the outer surface of the second connecting rod is provided with a holding pipe through a bearing sleeve.

As a preferable technical scheme of the utility model, the positioning piece is a positioning groove formed in the side face of the actuator main body, and the outer surface of the holding tube is in matched insertion connection with the inner wall of the positioning groove.

As a preferred technical solution of the present utility model, the actuator body includes a housing assembly, and the housing assembly is provided with an actuator assembly therein.

As the preferable technical scheme of the utility model, the shell assembly comprises a shell, end covers are arranged on two sides of the shell through bolts, a threaded hole is formed in one end cover in a penetrating manner, the manual screw is connected in the threaded hole in a threaded manner, the positioning groove is formed in one end cover, and two air holes are formed in one side of the shell in a penetrating manner.

As a preferable technical scheme of the utility model, the execution assembly comprises a transmission shaft which is rotatably arranged on the shell through a sealing bearing, a rotary table which is positioned in the shell is fixedly sleeved on the outer surface of the transmission shaft, and sliding grooves are formed in two sides of the rotary table.

As a preferable technical scheme of the utility model, two pistons respectively positioned at two sides of the transmission shaft are connected in the shell in a sliding way, and a plurality of springs are arranged between the pistons and the end cover.

As the preferable technical scheme of the utility model, two connecting plates are fixedly arranged on one sides of the two pistons, which are close to each other, a connecting shaft is fixedly connected between the two connecting plates, a sleeve is sleeved on the outer surface of the connecting shaft, and the sleeve is in sliding connection with the inner wall of the sliding groove.

Compared with the prior art, the utility model has the beneficial effects that:

in the scheme of the utility model:

in order to solve the problem that the manual operation device is fixed through a bolt or a screw rod in the prior art and inconvenient operation exists, the positioning piece and the limiting holding piece in the limiting mechanism are matched to realize limiting of the rotating wheel through the limiting mechanism, the limiting holding piece is pushed to enable the limiting holding piece to be separated from the positioning piece, unlocking can be realized, the limiting holding piece can be held by an operator after being separated from the positioning piece, the rotating wheel can be conveniently rotated through the limiting holding piece, and the use is facilitated.

Drawings

FIG. 1 is a schematic diagram of a switch-type actuator according to the present utility model;

fig. 2 is a schematic structural diagram of a positioning slot of the switch-type actuator provided by the utility model;

FIG. 3 is a schematic diagram of a groove of the switch-type actuator according to the present utility model;

FIG. 4 is a schematic cross-sectional view of a housing of the switch-type actuator provided by the present utility model;

fig. 5 is a schematic structural view of a piston of the switch-type actuator provided by the utility model;

fig. 6 is a schematic structural view of a sleeve of the switch-type actuator provided by the utility model;

fig. 7 is a schematic structural view of a chute of a switch-type actuator provided by the utility model;

fig. 8 is a schematic structural view of a connection plate of the switch-type actuator provided by the utility model;

fig. 9 is a schematic structural view of the connection plate and the connection shaft of the switch-type actuator provided by the utility model.

The figures indicate:

1. an actuator body; 101. a housing; 102. an end cap; 103. air holes; 104. a transmission shaft; 105. a turntable; 106. a chute; 107. a sleeve; 108. a connecting shaft; 109. a piston; 110. a connecting plate; 111. a spring;

2. a manual screw;

3. a limiting mechanism; 301. a rotating wheel; 302. a groove; 303. a third connecting rod; 304. a first connecting rod; 305. a second connecting rod; 306. a grip tube; 307. and a positioning groove.

Detailed Description

In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

As described in the background art, in order to prevent the misoperation of the manual operation device, the manual operation device is usually fixed by a bolt or a screw in the prior art, but the bolt or the screw is fixed in a case of inconvenient operation.

In order to solve the technical problem, the utility model provides a switch type actuator, which is applied to an actuator for conveniently releasing the fixation of a manual operation device.

Specifically, referring to fig. 1-3, a switch-type actuator specifically includes:

the manual screw rod 2 is arranged on one side of the actuator body 1, a limiting mechanism 3 is arranged between the manual screw rod 2 and the actuator body 1, and the limiting mechanism 3 comprises a rotating wheel 301 fixedly connected with one end, far away from the limiting mechanism 3, of the manual screw rod 2;

the rotating wheel 301 is rotatably provided with a limiting holding piece, one side of the actuator main body 1 is provided with a positioning piece, and the positioning piece is matched with the limiting holding piece to realize limiting of the rotating wheel 301.

According to the switch type actuator provided by the utility model, through the limiting mechanism 3, the locating piece in the limiting mechanism 3 is matched with the limiting holding piece to realize limiting of the rotating wheel 301, and the limiting holding piece is pushed to separate the limiting holding piece from the locating piece so as to realize unlocking, and the limiting holding piece can be held by an operator after being separated from the locating piece, so that the rotating wheel 301 can be conveniently rotated through the limiting holding piece, and the switch type actuator is beneficial to use.

In order to make the person skilled in the art better understand the solution of the present utility model, the technical solution of the embodiment of the present utility model will be clearly and completely described below with reference to the accompanying drawings.

It should be noted that, under the condition of no conflict, the embodiments of the present utility model and the features and technical solutions in the embodiments may be combined with each other.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

Example 1

Referring to fig. 1-3, a switch-type actuator comprises an actuator body 1, wherein a manual screw rod 2 is arranged on one side of the actuator body 1, a limit mechanism 3 is arranged between the manual screw rod 2 and the actuator body 1, and the limit mechanism 3 comprises a rotating wheel 301 fixedly connected with one end, far away from the limit mechanism 3, of the manual screw rod 2;

the rotating wheel 301 is rotatably provided with a limiting holding piece, one side of the actuator main body 1 is provided with a positioning piece, the positioning piece is matched with the limiting holding piece to realize limiting of the rotating wheel 301, the limiting mechanism 3 is arranged, the positioning piece in the limiting mechanism 3 is matched with the limiting holding piece to realize limiting of the rotating wheel 301, the limiting holding piece is pushed to enable the limiting holding piece to be separated from the positioning piece so as to realize unlocking, and the limiting holding piece can be held by an operator after being separated from the positioning piece, so that the rotating wheel 301 can be conveniently rotated through the limiting holding piece, and the use is facilitated.

Further, the spacing gripping member is used for assisting the rotation of the rotating wheel 301 by the user after being separated from the positioning member, i.e. the functionality of the spacing gripping member can be improved.

Example 2

As shown in fig. 1-3, the limit holding member comprises a groove 302 formed on one side of the rotating wheel 301, a third connecting rod 303 is fixedly mounted in the groove 302, a first connecting rod 304 is sleeved on the outer surface of the third connecting rod 303, and the first connecting rod 304 can rotate around the third connecting rod 303;

one end of the first connecting rod 304 is located in the groove 302, one end of the first connecting rod 304 located in the groove 302 is in an arc-shaped arrangement, the side face of the first connecting rod 304 is in contact with the side wall of the groove 302, the first connecting rod 304 can be limited by means of friction between the first connecting rod 304 and the groove 302, and stability of the holding tube 306 located in the positioning groove 307 can be improved.

Further, as shown in fig. 3, a second connecting rod 305 is fixedly connected to one side of the first connecting rod 304, a holding tube 306 is arranged on the outer surface of the second connecting rod 305 through a bearing sleeve, and the holding tube 306 is arranged to facilitate rotation of the rotating wheel 301.

Further, as shown in fig. 1-2, the positioning member is a positioning groove 307 formed on the side surface of the actuator body 1, the outer surface of the holding tube 306 is in mating connection with the inner wall of the positioning groove 307, the holding tube 306 and the positioning groove 307 are mutually matched to limit the rotating wheel 301, so that the rotating wheel 301 is prevented from rotating, and further the manual screw 2 is prevented from rotating, thereby preventing misoperation.

Example 3

Further optimizing the switch-type actuator provided in embodiment 1 or 2, in particular, as shown in fig. 4 to 8, the actuator body 1 includes a housing assembly in which the actuator assembly is provided, the housing assembly being capable of protecting the actuator assembly.

Further, as shown in fig. 4, the housing assembly includes a housing 101, two sides of the housing 101 are respectively provided with an end cover 102 through bolts, one of the end covers 102 is provided with a threaded hole in a penetrating way, the manual screw 2 is connected in the threaded hole in a threaded way, the positioning groove 307 is also provided on one of the end covers 102, one side of the housing 101 is provided with two air holes 103 in a penetrating way, and the two air holes 103 are respectively used for air inlet and air outlet.

Further, as shown in fig. 5-8, the executing component includes a transmission shaft 104 rotatably disposed on the housing 101 through a sealed bearing, a turntable 105 disposed in the housing 101 is fixedly sleeved on an outer surface of the transmission shaft 104, sliding grooves 106 are formed on two sides of the turntable 105, an end portion of the transmission shaft 104 extends out from the transmission shaft 104, the transmission shaft 104 is used for being connected with executed equipment, and the executed equipment is driven through the transmission shaft 104.

Further, as shown in fig. 4, two pistons 109 respectively located at two sides of the transmission shaft 104 are slidably connected in the housing 101, a plurality of springs 111 are disposed between the pistons 109 and the end cover 102, and the acting force of the springs 111 can push the two pistons 109 to approach each other.

Further, as shown in fig. 8, two connecting plates 110 are fixedly installed on one sides of the two pistons 109, which are close to each other, a connecting shaft 108 is fixedly connected between the two connecting plates 110, a sleeve 107 is sleeved on the outer surface of the connecting shaft 108, the sleeve 107 is slidably connected with the inner wall of the sliding groove 106, and the connecting shaft 108, the sleeve 107 and the sliding groove 106 can rotate, so that friction during use is reduced.

Compared with the prior art in which the transmission shaft 104 is driven to rotate by a gear and rack transmission mode, the utility model can avoid the limitation of teeth on the gear and rack, and the rotation angle of the transmission shaft 104 is more accurate.

The use process of the switch type actuator provided by the utility model is as follows:

the two air holes 103 are respectively used for air intake and air outlet, air pressure enters the shell 101 from the air holes 103, the air pressure pushes the two pistons 109 to be far away from each other, the pistons 109 pull the sleeve 107 through the connecting plate 110 and the connecting shaft 108, the rotating disc 105 is driven to rotate through the sliding groove 106 when the sleeve 107 moves, so that the transmission shaft 104 can be driven to rotate, and when air in the shell 101 is discharged, the acting force of the spring 111 pushes the connecting plate 110 to reset, so that the transmission shaft 104 reversely rotates to reset;

during manual operation, the holding tube 306 is pushed to enable the holding tube 306 to rotate around the connecting rod III 303, so that the holding tube 306 is separated from the positioning groove 307, then the holding tube 306 is rotated to one side of the rotating wheel 301 far away from the end cover 102, the holding tube 306 is perpendicular to the rotating wheel 301, the holding tube 306 is held and pushed, the holding tube 306 drives the manual screw rod 2 to rotate through the rotating wheel 301, one end of the manual screw rod 2 far away from the rotating wheel 301 moves towards the piston 109, and the piston 109 is pushed to move towards the transmission shaft 104 through the manual screw rod 2, so that manual operation is achieved; after the use is completed, the manual screw 2 is reversely rotated to reset the manual screw 2, and then the holding tube 306 is rotated into the positioning groove 307.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

It is apparent that the above-described embodiments are only some embodiments of the present utility model, but not all embodiments, and the preferred embodiments of the present utility model are shown in the drawings, which do not limit the scope of the patent claims. This utility model may be embodied in many different forms, but rather, embodiments are provided in order to provide a thorough and complete understanding of the present disclosure. Although the utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing description, or equivalents may be substituted for elements thereof. All equivalent structures made by the content of the specification and the drawings of the utility model are directly or indirectly applied to other related technical fields, and are also within the scope of the utility model.

Claims (10)

1. The switch type actuator comprises an actuator main body (1), wherein a manual screw rod (2) is arranged on one side of the actuator main body (1), and the switch type actuator is characterized in that a limiting mechanism (3) is arranged between the manual screw rod (2) and the actuator main body (1), and the limiting mechanism (3) comprises a rotating wheel (301) fixedly connected with one end, far away from the limiting mechanism (3), of the manual screw rod (2);

the rotary wheel (301) is rotatably provided with a limiting holding piece, one side of the actuator main body (1) is provided with a positioning piece, and the positioning piece is matched with the limiting holding piece to limit the rotary wheel (301).

2. A switch-type actuator according to claim 1, wherein the limit grip is separated from the positioning member for assisting the user in rotating the wheel (301).

3. The switch-type actuator according to claim 2, wherein the limit grip member comprises a groove (302) formed on one side of the rotating wheel (301), a connecting rod III (303) is fixedly mounted in the groove (302), and a connecting rod I (304) is sleeved on the outer surface of the connecting rod III (303);

one end of the first connecting rod (304) is positioned in the groove (302), one end of the first connecting rod (304) positioned in the groove (302) is arranged in an arc shape, and the side face of the first connecting rod (304) is contacted with the side wall of the groove (302).

4. A switch-type actuator according to claim 3, wherein a second connecting rod (305) is fixedly connected to one side of the first connecting rod (304), and a holding tube (306) is provided on the outer surface of the second connecting rod (305) through a bearing sleeve.

5. The switch-type actuator according to claim 4, wherein the positioning member is a positioning groove (307) formed on the side surface of the actuator body (1), and the outer surface of the holding tube (306) is inserted in cooperation with the inner wall of the positioning groove (307).

6. A switch-type actuator according to claim 5, characterized in that the actuator body (1) comprises a housing assembly in which the actuator assembly is arranged.

7. The switch-type actuator according to claim 6, wherein the housing assembly comprises a housing (101), end caps (102) are mounted on both sides of the housing (101) through bolts, threaded holes are formed in one of the end caps (102) in a penetrating manner, the manual screw (2) is in threaded connection with the threaded holes, the positioning groove (307) is formed in one of the end caps (102), and two air holes (103) are formed in one side of the housing (101) in a penetrating manner.

8. The switch-type actuator according to claim 7, wherein the actuator assembly comprises a transmission shaft (104) rotatably arranged on the housing (101) through a sealed bearing, a turntable (105) positioned in the housing (101) is fixedly sleeved on the outer surface of the transmission shaft (104), and sliding grooves (106) are formed in two sides of the turntable (105).

9. A switch-type actuator according to claim 8, characterized in that the housing (101) is slidably connected with two pistons (109) located on both sides of the drive shaft (104), respectively, a number of springs (111) being arranged between the pistons (109) and the end caps (102).

10. The switch-type actuator according to claim 9, wherein two connecting plates (110) are fixedly mounted on two sides, close to each other, of the two pistons (109), a connecting shaft (108) is fixedly connected between the two connecting plates (110), a sleeve (107) is sleeved on the outer surface of the connecting shaft (108), and the sleeve (107) is slidably connected with the inner wall of the sliding groove (106).