CN218440934U - Actuator capable of switching multiple valves - Google Patents

Abstract

The utility model provides a can change executor that connects a plurality of valves belongs to the valve control field. The actuator solves the problems that the connection structure of the existing actuator is low in universality and complex in body connection structure. This can change over executor of a plurality of valves, the lower extreme of this executor body is provided with the adaptor that can carry out the switching valve and carry out being connected with the valve rod, set up on the casing down and supply the adaptor to carry out the joint and with adaptor matched with shaft hole, set up a plurality of inside sunken recesses of way on the outer wall of adaptor, on the executor body and for shaft hole department be provided with recess matched with arch, the valve carries out detachable through adaptor and executor body and is connected, go up the casing and the casing is connected through the joint structure down, the utility model has the advantages of the commonality is high, it is convenient to overhaul, easy operation.

Description

Actuator capable of rotatably connecting multiple valves

Technical Field

The utility model belongs to the valve control field relates to an executor, in particular to electric actuator.

Background

At present, valves are commonly used at the tail end of a pipeline, such as a stop valve, a gate valve, an angle valve, a ball valve and the like, the valves are control parts in a fluid conveying system and have functions of stopping, adjusting, guiding, preventing backflow, stabilizing pressure, shunting or overflowing and relieving pressure and the like, the opening and closing of the valves can be controlled or the flow of fluid can be controlled according to needs by rotating a handle connected with a valve rod, an electric valve is used as a development trend at present to protect the environment and save energy, an electric actuator is an essential important component in an automatic control system, the electric actuator takes a power supply as power and receives a uniform standard signal, an input signal and a feedback signal of a position transmitter are used for automatically operating the angle stroke valve devices such as the ball valve, the angle valve and the like, and the automatic adjustment task of the system is completed.

The existing electric actuator is connected with a valve shell and is mostly fixedly connected with multiple groups of screws, the connecting structure of the actuator for connecting the valve is a fixed structure and is mostly connected with a specified valve, the connecting structure can not be replaced as the application number of '201821999694.4', the patent document of 'an electric actuator for valve' in the patent name indicates that the actuator comprises a shell, the shell comprises an upper shell and a lower shell which are mutually locked and connected, a mounting plate is arranged in the shell, one side of the mounting plate is provided with a motor and a spindle gear, the motor is connected with a driving gear, the driving gear is connected with a gear reduction device, the spindle gear is meshed with an output gear of the gear reduction device, the bottom of the lower shell is provided with a through hole, the spindle gear is provided with an output shaft, the lower end of the output shaft is positioned in the through hole and is provided with an interface which is sleeved with a valve core of the valve, and the upper end of the output shaft is provided with a handle.

Above-mentioned connection structure of electric actuator bottom can only be connected with appointed valve, if need change the valve, and the change of related executor, use cost is high, and upper and lower casing adopts multiunit screwed connection, and the overhaul flow is complicated, and the installation space requires great, and the fixed screw exposes outside, and executor operational environment is mostly moist watery environment, and the connecting screw easily sends out rust and corrodes the casing, and the screw of corrosion has also increased the degree of difficulty of overhauling.

Disclosure of Invention

The utility model aims at providing a can connect the convenient executor of opening of multiple valve and shell to the above-mentioned problem that exists among the prior art.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides a can change executor of a plurality of valves, is including the executor body that has last casing and lower casing, the lower extreme of executor body is connected with the valve, the valve on be provided with the valve rod, this internal fixed gear assembly that is used for control flap to open and close that is provided with of executor, this internal fixed drive assembly that is provided with of executor carries out work that drives the gear assembly, a serial communication port, the lower extreme of executor body is provided with and carries out the switching valve and carry out the adaptor of being connected with the valve rod, lower casing on seted up and supply the adaptor to carry out the joint and with adaptor matched with shaft hole, set up a plurality of inside sunken recesses on the outer wall of adaptor, just be provided with recess matched with arch on the executor body for shaft hole department, the valve carry out detachable with the executor body through the adaptor and be connected, last casing and lower casing connect through the joint structure.

In foretell executor that can switch a plurality of valves, the joint structure for setting up the joint portion on the casing down, last casing on set up and supply joint portion to carry out the joint groove of joint, the top of joint portion still protruding be equipped with and be used for fixed barb, barb and joint portion set up for integrated into one piece.

In the above mentioned actuator capable of transferring multiple valves, the valves are fixedly connected to the actuator body through connecting screws, and the connecting screws pass through the adaptor and fix the connector to the body.

In the above actuator capable of rotatably connecting a plurality of valves, the lower end of the lower housing is provided with a plurality of strip-shaped grooves for fixing the actuator body.

In the above actuator capable of switching multiple valves, the actuator body is provided with a handle for controlling the actuator body.

Compared with the prior art, this executor of a plurality of valves of can switchings increases the switching structure through changing the bottom shaft hole, it is connected with the valve to optimize the executor, the adaptor can be connected the cooperation with the valve rod of most valves on the market, the valve can use the angular travel valve such as tee bend valve and two-way valve, the commonality is high, fixing bolt can be connected fixedly with the fluting of casing bottom down according to the in service behavior of difference, integrated into one piece's joint structure on the casing satisfies under waterproof and the stable prerequisite of connection, the operation of opening and closing also can be simplified, just can accomplish the casing of opening with the inside extrusion of buckle during the operation, the assembly is torn open repairment simpler, the fixed screw is fixed inside the body, reduce the corruption of environment to it, the life of extension executor.

Drawings

FIG. 1 is a schematic view of the present actuator for switching between a plurality of valves.

Fig. 2 is an exploded view of a first embodiment of the present multiple valve switchable actuator.

Fig. 3 is an exploded view of a second embodiment of the present actuator for switching a plurality of valves.

Fig. 4 is a schematic diagram of a half plane structure of the actuator capable of switching a plurality of valves.

In the figure, 1, an adaptor; 2. a connecting shaft; 3. a handle; 4. a body; 5. a clamping part; 6. a clamping groove; 7. an upper housing; 8. a lower housing; 9. a valve; 10. a connecting screw; 11. an adapter plate.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1, fig. 2, fig. 3, fig. 4 shows, an executor capable of switching a plurality of valves 9, including an executor body 4 with an upper casing 7 and a lower casing 8, the lower end of the executor body 4 is connected with the valves 9, a valve rod is arranged on the valves 9, a gear assembly for controlling the opening and closing of the valves 9 is fixedly arranged in the executor body 4, a driving assembly for driving the gear assembly to work is fixedly arranged in the executor body 4, an adapter 1 capable of switching the valves 9 and connected with the valve rod is arranged at the lower end of the executor body 4, a shaft hole for the adapter 1 to be clamped and matched with the adapter 1 is arranged on the lower casing 8, a stepped groove is arranged on the adapter 1, a plurality of grooves which are recessed inwards are arranged on the outer wall of the adapter 1, protrusions matched with the grooves are arranged on the executor body 4 and relative to the shaft hole, the valves 9 are detachably connected with the executor body 4 through the adapter 1, the upper casing 7 is connected with the lower casing 8 through a clamping structure.

Preferably, the joint structure is for setting up joint portion 5 on lower casing 8, goes up and sets up the joint groove 6 that supplies joint portion 5 to carry out the joint on the casing 7, and the top of joint portion 5 is protruding still to be equipped with and is used for fixed barb, and the barb sets up for integrated into one piece with joint portion 5, and operating personnel inwards extrudees joint portion 5, and the barb can be opened body 4 with 6 separating centrifuge in joint groove and debug the overhaul.

Preferably, the valve 9 is fixedly connected to the actuator body 4 by a connecting screw 10, and the connecting screw 10 passes through the adaptor 1 and fixes the adaptor to the body 4.

Preferably, a plurality of strip-shaped grooves for fixing the actuator body 4 are formed in the lower end of the lower shell 8, and the strip-shaped grooves are arranged in a shape like a Chinese character 'mi', and are uniformly distributed around the shaft holes.

Preferably, be provided with the handle 3 of control executor body 4 on the executor body 4, handle 3 is connected the gear assembly and is controlled adaptor 1, and during manual control, twist grip 3 drives the gear assembly, and the connecting piece rotates the control valve rod along with the gear assembly and realizes the flow control of valve 9 and opening and shutting of valve 9, and during automatic control, handle 3 also can be the pointer and use.

In the first embodiment, as shown in fig. 2, preferably, a valve rod and a valve cover are arranged on the top of the valve 9, the valve 9 is fixedly connected with the actuator body 4 through the valve rod and a connecting screw 10, a threaded hole for installing the connecting shaft 2 is arranged on the valve cover, and the connecting shaft 2 is engaged with a groove in the shape of a Chinese character 'mi' of the actuator body 4 to prevent the fixed actuator body 4 from rotating along with the valve rod when working.

In the second embodiment, as shown in fig. 3, preferably, a detachable adapter plate 11 is arranged between the actuator body 4 and the valve 9, a first protruding point corresponding to the strip-shaped groove is arranged at the upper end of the adapter plate 11, a second protruding point matched with the valve 9 is arranged at the lower end of the adapter plate 11, an opening matched with the adapter 1 is formed in the adapter plate 11, the actuator body 4 and the valve 9 are clamped together by the adapter plate 11 through the protruding points at the upper end and the lower end, the axial rotation of the actuator is restrained, and the actuator body 4 is prevented from rotating along with the valve rod when being fixed.

Preferably, when the valve 9 is switched, the handle 3 at the top end of the actuator is pulled out, the actuator 10 is screwed out, the actuator is disconnected from the valve 9, the actuator is taken down, the adapter 1 in the first embodiment is taken down, the adapter 1 in the second embodiment is sleeved on the valve rod of the valve 9 in the second embodiment, the adapter plate 11 is arranged at a position corresponding to the top of the valve 9 in the second embodiment, then the shaft hole in the actuator is sleeved on the adapter 1 in the second embodiment according to a required angle, the connecting screw 10 is screwed in and fixed, and finally the control handle 3 is arranged, so that the switching of the actuator is completed.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms of the box adapter 1, the connecting shaft 2, the handle 3, the body 4, the snap-in portion 5, the snap-in groove 6, the upper casing 7, the lower casing 8, the valve 9, the connecting screw 10, the adapter plate 11, etc. are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims (5)

1. The utility model provides an executor that can change over a plurality of valves (9), is including executor body (4) that have last casing (7) and inferior valve casing (8), the lower extreme of executor body (4) is connected with valve (9), valve (9) on be provided with the valve rod, executor body (4) internal fixation be provided with the gear assembly that is used for controlling valve (9) to open and close, executor body (4) in still fixed be provided with the drive assembly that the drive gear assembly carries out work, a serial communication port, the lower extreme of executor body (4) is provided with adaptor (1) that can carry out switching valve (9) and be connected with the valve rod, inferior valve casing (8) on set up and supply adaptor (1) to carry out the joint and with adaptor (1) matched with shaft hole, set up a plurality of sunken recesses on the outer wall of adaptor (1), executor body (4) on and for shaft hole department be provided with recess matched with arch, valve (9) carry out detachable through adaptor (1) and be connected with executor body (4), last casing (7) and inferior valve body (8) carry out the connection through joint structure.

2. The actuator capable of switching multiple valves (9) according to claim 1, wherein the clamping structure is a clamping portion (5) disposed on the lower housing (8), the upper housing (7) is provided with a clamping groove (6) for clamping the clamping portion (5), the top end of the clamping portion (5) is further provided with a protruding barb for fixing, and the barb and the clamping portion (5) are integrally formed.

3. Actuator for coupling valves (9) according to claim 1, wherein the valve (9) is fixedly connected to the actuator body (4) by means of a connecting screw (10), and wherein the connecting screw (10) passes through the adapter (1) and fixes the adapter to the body (4).

4. The actuator capable of switching a plurality of valves (9) according to claim 1, wherein the lower end of the lower shell (8) is provided with a plurality of strip-shaped grooves for fixing the actuator body (4).

5. Actuator for coupling a plurality of valves (9) according to claim 1, wherein the actuator body (4) is provided with a handle (3) for controlling the actuator body (4).

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