CN216344214U

CN216344214U - Valve mounting structure of electric actuator

Info

Publication number: CN216344214U
Application number: CN202122561686.XU
Authority: CN
Inventors: 冯艳军
Original assignee: Yantai Mingzhi Industrial Automation Co ltd
Current assignee: Yantai Mingzhi Industrial Automation Co ltd
Priority date: 2021-10-22
Filing date: 2021-10-22
Publication date: 2022-04-19
Anticipated expiration: 2031-10-22

Abstract

The utility model discloses a valve mounting structure of an electric actuator, which comprises an external thread ring mounted at the top of a valve main body, wherein an annular groove is reserved on the outer side of the external thread ring, positioning grooves are formed in two sides of the top end of the external thread ring, positioning rods are arranged in the positioning grooves, fixing blocks are mounted on the outer sides of the positioning rods, and the top end of each fixing block is fixedly provided with the electric actuator main body. According to the utility model, the first rack and the second rack are respectively connected with the corresponding gears in a meshing manner, so that an operator loosens the second rack after the installation is finished, the spring can drive the second rack to slide and recover to the initial position, the first rack can drive the L-shaped limiting rod to be inserted into the annular groove, the up-and-down movement of the internal thread cylinder and the external thread ring can be further limited, the external factors such as easiness in vibration and the like are prevented from being loosened to influence the installation stability, and the installation and the disassembly are more convenient and rapid.

Description

Valve mounting structure of electric actuator

Technical Field

The utility model relates to the technical field of electric actuators, in particular to a valve mounting structure of an electric actuator.

Background

Along with the continuous progress of society and science and technology, the degree of automation of various production facility also continuously improves thereupon to greatly increased efficiency during production, for example, make up through automatic control's electric actuator and valve, make in the production process can drive the valve through electric actuator and in time open and shut, convenient and fast more just need use electric actuator's valve mounting structure when making up electric actuator and valve.

The valve mounting structure of the existing electric actuator is generally mounted and fixed in a mode of a plurality of screws, but in the actual use process, fluid flows in the valve, so that long-time vibration with a certain amplitude can be generated, and the screws are easy to loosen to a certain extent due to vibration after being used for a long time, so that the stability of mounting and combining is influenced, and the long-time use effect of the whole device is further influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a valve mounting structure of an electric actuator.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides an electric actuator's valve mounting structure, is including installing the external screw thread ring at valve main part top, the outside reservation of external screw thread ring has the ring channel, and the both sides on external screw thread ring top have all seted up the constant head tank, the inside of constant head tank is provided with the locating lever, and the outside of locating lever installs the fixed block to the top of fixed block is fixed with the electric actuator main part, the outer wall of locating lever is provided with an internal thread section of thick bamboo, and the inside both sides of internal thread section of thick bamboo outer wall all reserve and have the installation cavity, the intermediate position department at the inside both ends of installation cavity is fixed with the fixed axle, and the outside cover of fixed axle is equipped with the gear, be provided with in the installation cavity and be used for carrying out the stop gear who restricts to an internal thread section of thick bamboo, be provided with in the installation cavity and be used for driving gear revolve's operating device.

Preferably, the central axis of the internal thread cylinder and the central axis of the external thread ring are coincident with each other, and the internal thread cylinder and the external thread ring are in threaded connection.

Preferably, stop gear is including running through the first rack that keeps away from external screw thread ring one side bottom inside the installation cavity, L type gag lever post is installed to the one end that external screw thread ring was kept away from to first rack, and L type gag lever post extends to the inside of ring channel.

Preferably, the first rack is in sliding connection with the internal thread cylinder, and the first rack is in meshing connection with the gear.

Preferably, the operating mechanism comprises a second rack penetrating through the bottom of one side, far away from the internal thread cylinder, of the mounting cavity, and a spring is connected between the second rack and the internal thread cylinder.

Preferably, the second rack is in sliding connection with the internal thread cylinder, and the second rack is in meshed connection with the gear.

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

1. through first rack and second rack respectively with correspond the meshing of gear and be connected for operating personnel loosens the second rack after the installation is accomplished, the spring can drive the second rack and slide and resume to initial position, first rack can drive the inside that L type gag lever post inserted the ring channel, thereby can further restrict the upper and lower activity of internal thread section of thick bamboo and external screw thread ring, thereby can avoid external factors such as its easy vibrations to take place not hard up the steadiness that influences the installation.

2. Through when installation and dismantlement, operating personnel only need press simultaneously two sets of second racks and drive L type gag lever post and leave the inside of ring channel to keep this state to rotate the internal thread section of thick bamboo and can implement the installation or dismantle valve main part and electric actuator main part, compare in traditional needs twist and move a plurality of screws and fix or dismantle convenient and fast more.

Drawings

Fig. 1 is a schematic front sectional structural view of a valve mounting structure of an electric actuator according to the present invention;

FIG. 2 is an enlarged schematic view of FIG. 1 at A according to the present invention;

fig. 3 is a schematic front view of a valve mounting structure of an electric actuator according to the present invention;

fig. 4 is a schematic perspective view of an external thread ring of a valve mounting structure of an electric actuator according to the present invention.

In the figure: the valve comprises a valve body 1, an external thread ring 2, an annular groove 3, a positioning groove 4, a positioning rod 5, a fixing block 6, an electric actuator body 7, an internal thread cylinder 8, an installation cavity 9, a fixing shaft 10, a gear 11, a first rack 12, a limiting rod 13L, a second rack 14 and a spring 15.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Referring to fig. 1-4, a valve mounting structure of an electric actuator comprises an external thread ring 2 mounted on the top of a valve body 1, an annular groove 3 is reserved on the outer side of the external thread ring 2, positioning grooves 4 are formed on both sides of the top end of the external thread ring 2, positioning rods 5 are arranged inside the positioning grooves 4, fixing blocks 6 are mounted on the outer sides of the positioning rods 5, an electric actuator body 7 is fixed on the top ends of the fixing blocks 6, an internal thread cylinder 8 is arranged on the outer wall of each positioning rod 5, mounting cavities 9 are reserved on both sides of the inner wall of the internal thread cylinder 8, the central axis of the internal thread cylinder 8 is coincident with the central axis of the external thread ring 2, the internal thread cylinder 8 is in threaded connection with the external thread ring 2, so that after an operator screws the internal thread cylinder 8 onto the external thread ring 2, the internal thread cylinder 8 can press the fixing blocks 6 on the positioning rods 5, so as to complete the preliminary connection and fixation of the electric actuator main body 7 and the valve main body 1;

a fixed shaft 10 is fixed at the middle position of two ends inside the installation cavity 9, a gear 11 is sleeved on the outer side of the fixed shaft 10, a limiting mechanism used for limiting the internal thread cylinder 8 is arranged in the installation cavity 9, the limiting mechanism comprises a first rack 12 penetrating through the bottom of one side, far away from the external thread ring 2, inside the installation cavity 9, an L-shaped limiting rod 13 is arranged at one end, far away from the external thread ring 2, of the first rack 12, and the L-shaped limiting rod 13 extends into the annular groove 3, so that when the L-shaped limiting rod 13 is located inside the annular groove 3, the up-and-down movement of the internal thread cylinder 8 and the external thread ring 2 can be further limited, and the stability after installation is further ensured;

the first rack 12 is in sliding connection with the internal thread cylinder 8, and the first rack 12 is in meshed connection with the gear 11, so that when the gear 11 rotates correspondingly, the first rack 12 can drive the L-shaped limiting rod 13 to move transversely, and then the L-shaped limiting rod is inserted into the annular groove 3 or leaves the annular groove 3, further the installation is further stabilized, or the stabilization of the installation is released, so that an operator can conveniently detach the L-shaped limiting rod;

be provided with in the installation cavity 9 and be used for driving gear 11 pivoted operating device, operating device is including running through the inside second rack 14 who keeps away from internal thread section of thick bamboo 8 one side bottom of installation cavity 9, be connected with spring 15 between second rack 14 and the internal thread section of thick bamboo 8, second rack 14 is sliding connection with internal thread section of thick bamboo 8, and second rack 14 is connected for meshing with gear 11, make operating personnel can drive two sets of gears 11 and correspond the rotation simultaneously through pressing two sets of second racks 14 simultaneously, and then make first rack 12 can drive L type gag lever post 13 and correspond lateral shifting, thereby the cooperation is accomplished the installation or is dismantled the task.

When the utility model is used, as shown in fig. 1-4, a positioning rod 5 on an electric actuator body 7 is inserted in alignment with a corresponding positioning groove 4 on an external thread ring 2, so that a fixing block 6 on the positioning rod 5 is kept attached to the top end of the external thread ring 2, through the sliding connection between a second rack 14 and an internal thread cylinder 8, the elasticity of a spring 15, two groups of second racks 14 are simultaneously extruded towards the direction close to the middle, through the meshing connection between the second racks 14 and a gear 11, the gear 11 on a fixed shaft 10 can correspondingly rotate, through the meshing connection between the first racks 12 and the gear 11, two groups of first racks 12 can respectively drive an L-shaped limiting rod 13 on the L-shaped limiting rods to move towards the direction away from the middle until the L-shaped limiting rods 13 move to the position where the connection between the internal thread cylinder 8 and the external thread ring 2 can not be obstructed, and are connected with the external thread ring 2 through the internal thread cylinder 8, the internal thread cylinder 8 is completely screwed to the external thread ring 2, so that the internal thread cylinder 8 can press the fixing block 6 at the moment, so that the electric actuator body 7 and the valve body 1 can be fixedly connected together, at the same time, two groups of second racks 14 are released, the spring 15 drives the second racks 14 to slide and restore to the initial position, thereby driving the two groups of gears 11 to correspondingly rotate at the same time, the gears 11 driving the first racks 12 to move towards the direction close to the middle, the first racks 12 respectively driving the L-shaped limiting rods 13 thereon to be inserted into the annular groove 3, thereby further limiting the up-and-down separation of the internal thread cylinder 8 and the external thread ring 2, fully ensuring the stability after installation, meanwhile, the whole operation process is convenient and fast, and finally, the output shaft on the electric actuator main body 7 is connected with the transmission shaft on the valve main body 1 through a coupler and the like.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A valve mounting structure of an electric actuator comprises an external thread ring (2) mounted at the top of a valve main body (1), and is characterized in that a ring groove (3) is reserved on the outer side of the external thread ring (2), positioning grooves (4) are formed in two sides of the top end of the external thread ring (2), a positioning rod (5) is arranged inside the positioning groove (4), a fixing block (6) is mounted on the outer side of the positioning rod (5), an electric actuator main body (7) is fixed at the top end of the fixing block (6), an internal thread cylinder (8) is arranged on the outer wall of the positioning rod (5), a mounting cavity (9) is reserved on two sides of the inner wall of the internal thread cylinder (8), a fixing shaft (10) is fixed at the middle position of two ends inside the mounting cavity (9), a gear (11) is sleeved outside the fixing shaft (10), and a limiting mechanism for limiting the internal thread cylinder (8) is arranged in the mounting cavity (9), an operating mechanism for driving the gear (11) to rotate is arranged in the mounting cavity (9).

2. The valve mounting structure of the electric actuator according to claim 1, wherein the central axis of the internally threaded cylinder (8) and the central axis of the externally threaded ring (2) coincide with each other, and the internally threaded cylinder (8) and the externally threaded ring (2) are in threaded connection.

3. The valve mounting structure of the electric actuator according to claim 1, wherein the limiting mechanism comprises a first rack (12) penetrating through the bottom of the side away from the external thread ring (2) in the mounting cavity (9), an L-shaped limiting rod (13) is mounted at one end of the first rack (12) away from the external thread ring (2), and the L-shaped limiting rod (13) extends to the inside of the annular groove (3).

4. The valve mounting structure of the electric actuator according to claim 3, wherein the first rack (12) is slidably connected with the internally threaded cylinder (8), and the first rack (12) is in meshed connection with the gear (11).

5. The valve mounting structure of the electric actuator according to claim 1, wherein the operating mechanism comprises a second rack (14) penetrating through the bottom of the side of the mounting cavity (9) far away from the internally threaded barrel (8), and a spring (15) is connected between the second rack (14) and the internally threaded barrel (8).

6. The valve mounting structure of the electric actuator according to claim 5, wherein the second rack (14) is slidably connected with the internally threaded barrel (8), and the second rack (14) is in meshed connection with the gear (11).