Electric actuator support

Abstract

The utility model discloses an electric actuator support which is used for connecting an electric actuator and a valve, the electric actuator comprises a shell, a connecting seat and an output shaft, the connecting seat is fixedly connected with the shell, a mounting groove and a first through hole which are communicated with each other are formed in the center of the connecting seat, and one end of the output shaft is inserted into the first through hole; the support comprises a connecting disc and a connecting shaft, a second through hole is formed in the center of the connecting disc, one end face of the connecting disc is fixedly connected with the connecting base, and the other end face of the connecting disc is fixedly connected with a valve body of the valve. The connecting shaft is rotatably arranged in the second through hole in a penetrating mode, a strip-shaped through channel is formed in the center of the connecting shaft in the axis direction and communicates with the two ends of the connecting shaft, one end of the strip-shaped through channel is used for allowing the output shaft to be inserted and fixedly connected, and the other end of the strip-shaped through channel is used for allowing a valve rod of the valve to be inserted and fixedly connected; and the output shaft, the connecting shaft and the valve rod are coaxially and fixedly connected. The height of the support is reduced, the structure is compact, and the occupied space is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve electric actuator technical field especially, it relates to a kind of electric actuator support. BACKGROUND

[0002] Nowadays many valves select to realize remote control by electric actuator. Generally electric actuator needs to be fixed with valve by support, these electric actuators often need to use solid stable support to better complete work.

[0003] The existing electric actuator support includes the connecting shaft sleeve and the connecting shaft connected with each other, the end of the connecting shaft away from the connecting shaft sleeve is connected with the valve, and the end of the connecting shaft sleeve away from the connecting shaft is fixedly connected with the output end of the electric actuator. The overall height of the support is relatively high, and the space occupied is relatively large. UTILITY MODEL CONTENTS

[0004] In view of the above defects or deficiencies in the prior art, it is desirable to provide an electric actuator support with reduced height and compact structure.

[0005] The electric actuator support provided by the utility model is used for connecting electric actuator and valve. The electric actuator includes a shell, a connecting seat and an output shaft. The connecting seat is fixedly connected with the shell. A mounting groove and a first through hole are formed in the center of the connecting seat in communication. The output shaft is coaxially arranged with the mounting groove and the first through hole, and one end of the output shaft is inserted into the first through hole. The support includes:

[0006] A connecting disc is provided. A second through hole is formed in the center of the connecting disc. One end surface of the connecting disc is used for fixedly connecting with the connecting seat, and the other end surface is used for fixedly connecting with the valve body of the valve.

[0007] A connecting shaft is coaxially arranged with the second through hole and rotatably arranged in the second through hole. A strip-shaped through channel is formed in the center of the connecting shaft along the axial direction of the connecting shaft. One end of the strip-shaped through channel is used for inserting and fixedly connecting with the output shaft, and the other end is used for inserting and fixedly connecting with the valve rod of the valve, so that the output shaft, the connecting shaft and the valve rod are coaxially fixedly connected.

[0008] Further, the output shaft is inserted into one end of the strip-shaped through channel and is in interference fit with the one end, and the valve rod of the valve is inserted into the other end of the strip-shaped through channel and is in interference fit with the other end.

[0009] Further, the outer wall of the connecting shaft is symmetrically provided with a first limiting triangular block and a second limiting triangular block about the axis thereof, the first limiting triangular block and the second limiting triangular block are located in the mounting groove, the mounting groove is provided with a first limiting pin and a second limiting pin, when the first limiting triangular block abuts against the first limiting pin, the valve is in an open state, when the second limiting triangular block abuts against the second limiting pin, the valve is in a closed state.

[0010] Further, four first mounting holes are distributed in a rectangular shape on the connecting seat, and four counterbores corresponding to the first mounting holes are formed in the connecting disc, and first fastening bolts are arranged in the counterbores.

[0011] Further, four second mounting holes are distributed in a rectangular shape on the connecting seat, and through holes corresponding to the second mounting holes are formed in the connecting disc, and third mounting holes corresponding to the through holes are formed in the valve body of the valve, and second fastening bolts are arranged in the third mounting holes, and the second fastening bolts are arranged in threaded connection with the second mounting holes through the corresponding through holes.

[0012] Further, the connecting disc and the connecting shaft are made of cast aluminum.

[0013] Compared with the prior art, the utility model has the advantages of:

[0014] The connecting shaft is rotatably arranged in the second through hole of the connecting disc, a strip-shaped through channel is formed in the center of the connecting shaft along the axis direction, the strip-shaped through channel is in communication with the two ends of the connecting shaft, when the support is connected, one end surface of the connecting disc of the electric actuator is fixedly connected with the connecting seat, the other end surface of the connecting disc is fixedly connected with the valve body of the valve, one end of the strip-shaped through channel is fixedly connected with the output shaft, and the other end of the strip-shaped through channel is fixedly connected with the valve body, so that the output shaft, the valve body and the connecting shaft are coaxially arranged, the electric actuator and the valve are connected, the output shaft of the electric actuator is rotated to drive the valve rod to rotate, and the opening and closing of the valve are realized.

[0015] It is to be understood that the description of the contents in the utility model content part is not intended to limit the key or important features of the embodiments of the utility model, nor to limit the scope of the utility model. Other features of the utility model will become apparent from the following description. BRIEF DESCRIPTION OF DRAWINGS

[0016] Other features, objects and advantages of the utility model will become more apparent from the following detailed description of non-limiting embodiments made with reference to the drawings:

[0017] Figure 1 It is a structural schematic diagram of electric actuator;

[0018] Figure 2 It is a front structure schematic diagram of the support of the utility model;

[0019] Figure 3 It is a front sectional view of the support of the utility model;

[0020] Figure 4 It is a perspective view of the connecting shaft in the utility model;

[0021] Figure 5 It is a matching structure schematic diagram of the connecting shaft and the connecting seat in the utility model;

[0022] Figure 6 It is a matching structure schematic diagram of the connecting disc, the connecting shaft and the connecting seat in the utility model;

[0023] Reference signs in the drawings: 1, connecting disc; 2, connecting shaft; 3, first limiting thimble; 4, second limiting thimble;

[0024] 11, second through hole; 12, counterbore; 13, first fastening bolt; 14, through hole; 15, second fastening bolt;

[0025] 21, strip-shaped through channel; 22, first limiting triangular block; 23, second limiting triangular block;

[0026] 100, electric actuator; 110, shell; 120, connecting seat; 130, output shaft;

[0027] 121, mounting groove; 122, first through hole; 123, first mounting hole; 124, second mounting hole. DETAILED DESCRIPTION

[0028] The utility model will be further described in detail below in combination with the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the related utility model, and not to limit the utility model. In addition, it should be noted that only the parts related to the utility model are shown in the drawings for convenience of description.

[0029] It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict. The utility model will be described in detail below with reference to the drawings and in combination with the embodiments.

[0030] Please refer to Figures 1-6 The embodiment of the utility model provides a kind of electric actuator support, for connecting electric actuator 100 and valve, electric actuator 100 includes shell 110, connecting seat 120 and output shaft 130, electric actuator body is installed in shell 100, electric actuator is existing device on market, not described here again;Electric actuator body includes speed reducer motor, output shaft 130 is the output shaft 130 of speed reducer motor, for being connected with valve, realize the opening and closing of valve;Connecting seat 120 is fixedly connected with shell 110, the center of connecting seat 120 is equipped with the installation slot 121 and the first through hole 122 that are connected, output shaft 130 and installation slot 121 and the first through hole 122 are coaxially arranged, and one end of output shaft 130 is inserted into the first through hole 122;

[0031] The support of the application includes connecting disc 1 and connecting shaft 2, wherein the center of connecting disc 1 is provided with second through hole 11, one end surface of connecting disc 1 is used for being fixedly connected with connecting seat 120, and the other end surface is used for being fixedly connected with the valve body of valve;

[0032] Connecting shaft 2 is coaxial with second through hole 11 and rotates through second through hole 11, and a strip-shaped through channel 21 is formed in the center along the axial direction, the strip-shaped through channel 21 is communicated with both ends of connecting shaft 2, one end of the strip-shaped through channel 21 is used for inserting and fixedly connecting output shaft 130, and the other end is used for inserting and fixedly connecting valve stem, so that output shaft 130, connecting shaft 2 and valve stem are coaxially fixedly connected.

[0033] In the embodiment, when the bracket of the application is used to connect the electric actuator and the valve, one end surface of the connecting disc 1 is fixedly connected with the connecting seat 120 on the electric actuator, one end of the connecting shaft 2 is inserted into the first through hole 122, and the output shaft 130 is inserted into one end of the strip-shaped through channel 21 and fixedly connected with the strip-shaped through channel 21; then, the valve body of the valve is fixedly connected with the other end surface of the connecting disc 1, the valve body is inserted into the other end of the strip-shaped through channel 21 and fixedly connected with the strip-shaped through channel 21, the output shaft 130, the valve body and the connecting shaft 2 are coaxially arranged, the connection between the electric actuator and the valve is realized, and the output shaft 130 of the electric actuator rotates to drive the valve rod to rotate, so that the opening and closing of the valve is realized; the strip-shaped through channel 21 is arranged in the middle of the connecting shaft 2, the output shaft 130 and the valve rod are fixedly inserted into the strip-shaped through channel 21, compared with the existing bracket, the bracket of the application shortens the overall height of the bracket while realizing the connection between the valve and the electric actuator, and the structure is more compact; and the connecting disc 1 and the connecting shaft 2 of the application are made of cast aluminum material, the structural strength of the bracket is increased, and the support stability is better.

[0034] In a preferred embodiment, as shown in Figure 3 and Figure 4 , the output shaft 130 is inserted into one end of the strip-shaped through channel 21 and is in interference fit with it, and the valve rod of the valve is inserted into the other end of the strip-shaped through channel 21 and is in interference fit with it.

[0035] In the embodiment, the fixation of the output shaft 130 and the valve rod is realized by interference fit, the use of fasteners to fix the output shaft, the valve rod and the connecting shaft 2 is avoided, the use of fasteners is saved, and the cost is reduced; and the shape of the strip-shaped through channel 21 can be changed according to actual use requirements, in production, the shape of the strip-shaped through channel can be changed according to the shape of the valve rod of the valve, the cross section of the strip-shaped through channel 21 can be circular, square, polygonal or irregular, etc., so as to meet various specifications of the valve.

[0036] In a preferred embodiment, as shown in Figure 4 and Figure 5As shown, the outer wall of the connecting shaft 2 is provided with a first limiting triangular block 22 and a second limiting triangular block 23 which are symmetric about the axis of the connecting shaft 2, and the first limiting triangular block 22 and the second limiting triangular block 23 are located in the mounting groove 121, and the first limiting pin 3 and the second limiting pin 4 are arranged in the mounting groove 121, when the first limiting triangular block 22 abuts against the first limiting pin 3, the valve is in an open state, and when the second limiting triangular block 23 abuts against the second limiting pin 4, the valve is in a closed state. Specifically, when the connecting disc 1 is fixed with the connecting seat 120, one end of the connecting shaft 2 is inserted into the first through hole 122, and the output shaft 130 is inserted into the strip-shaped through channel 21 arranged on the connecting shaft 2, at this time, the first limiting triangular block 22 and the second limiting triangular block 23 are located in the mounting groove 121;

[0037] When the output shaft 130 drives the connecting shaft 2 to rotate forward, the valve rod, the first limiting triangular block 22 and the second limiting triangular block 23 are driven to rotate synchronously, when the first limiting triangular block 22 abuts against the first limiting pin 3, the valve is in an open state; when the output shaft 130 drives the connecting shaft 2 to rotate reversely, the valve rod, the first limiting triangular block 22 and the second limiting triangular block 23 are driven to rotate synchronously, when the second limiting triangular block 23 abuts against the second limiting pin 4, the valve is in a closed state, the first limiting triangular block 22, the second limiting triangular block 23, the first limiting pin 3 and the second limiting pin 4 play a limiting role, so as to avoid excessive rotation of the valve rod.

[0038] In a preferred embodiment, as shown in Figure 2 、 Figure 3 、 Figure 5 、 Figure 6 As shown, the connecting seat 120 is provided with four first mounting holes 123 which are distributed in a rectangular shape, the connecting disc 1 is provided with four through holes 14 which correspond to the first mounting holes 123 one by one, and the valve body of the valve is provided with three second mounting holes which correspond to the through holes 14 one by one, and four second fastening bolts 15 are arranged in the four second mounting holes 124, the second fastening bolts 15 pass through the corresponding through holes 14 and are screwed with the second mounting holes 124. Specifically, the valve body of the valve is fixedly connected with the connecting disc 1 and the connecting seat 120 through the second fastening bolts 15.

[0039] In a preferred embodiment, as shown in Figure 2 、 Figure 3 、 Figure 5 、 Figure 6 As shown, the connecting seat 120 is provided with four first mounting holes 123 which are distributed in a rectangular shape, the connecting disc 1 is provided with four through holes 14 which correspond to the first mounting holes 123 one by one, and the valve body of the valve is provided with three second mounting holes which correspond to the through holes 14 one by one, and four second fastening bolts 15 are arranged in the four second mounting holes 124, the second fastening bolts 15 pass through the corresponding through holes 14 and are screwed with the second mounting holes 124. Specifically, the valve body of the valve is fixedly connected with the connecting disc 1 and the connecting seat 120 through the second fastening bolts 15.

[0040] In a preferred embodiment, the connecting disc 1 and the connecting shaft 2 are made of cast aluminum. The cast aluminum material has the advantages of corrosion resistance, gloss, beauty and high strength, improves the overall beauty of the support, improves the structural strength of the support, and improves the stability of the support.

[0041] In the description of the present specification, the terms "connection", "installation", "fixation" and the like should be understood broadly, for example, "connection" can be fixed connection, can also be detachable connection, or integral connection; can be directly connected, or indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0042] In the description of the present specification, the terms "one embodiment", "some embodiments" and the like mean that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0043] The above is only the preferred embodiment of the present application and is not used to limit the present application. For those skilled in the art, the present application can have various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. An electric actuator support for connecting an electric actuator with a valve, the electric actuator comprising a housing, a connecting seat and an output shaft, the connecting seat being fixedly connected with the housing, a mounting groove and a first through hole being formed in the center of the connecting seat and being in communication, the output shaft being coaxially arranged with the mounting groove and the first through hole, and one end of the output shaft being inserted into the first through hole; characterized in that, The support comprises: A connecting disc having a second through hole in the center thereof, one end surface of the connecting disc being fixedly connected with the connecting seat, and the other end surface being fixedly connected with the valve body of the valve; A connecting shaft coaxial with the second through hole and rotatingly penetrating the second through hole, a strip-shaped through channel being formed in the center of the connecting shaft along the axial direction thereof, the strip-shaped through channel being in communication with both ends of the connecting shaft, one end of the strip-shaped through channel being used for inserting and fixedly connecting the output shaft, and the other end of the strip-shaped through channel being used for inserting and fixedly connecting the valve rod of the valve, so that the output shaft, the connecting shaft and the valve rod are coaxially fixedly connected.

2. An electric actuator support according to claim 1, wherein The output shaft is inserted into one end of the strip-shaped through channel in interference fit, and the valve rod of the valve is inserted into the other end of the strip-shaped through channel in interference fit.

3. An electric actuator support according to claim 1, wherein The outer wall of the connecting shaft is symmetrically provided with a first limiting triangular block and a second limiting triangular block about the axis thereof, the first limiting triangular block and the second limiting triangular block being located in the mounting groove, the mounting groove being provided with a first limiting pin and a second limiting pin, when the first limiting triangular block abuts against the first limiting pin, the valve is in the open state, and when the second limiting triangular block abuts against the second limiting pin, the valve is in the closed state.

4. An electric actuator support according to claim 1, wherein The connecting seat is rectangularly distributed with four first mounting holes, the connecting disc is provided with a counterbore corresponding to each of the first mounting holes, and a first fastening bolt is penetratingly arranged in each of the four counterbores and is in threaded connection with the corresponding first mounting hole.

5. An electric actuator support according to claim 1, wherein The connecting seat is rectangularly distributed with four second mounting holes, the connecting disc is provided with a through hole corresponding to each of the second mounting holes, the valve body of the valve is provided with a third mounting hole corresponding to each of the through holes, and a second fastening bolt is penetratingly arranged in each of the four third mounting holes and is in threaded connection with the corresponding through hole and the second mounting hole.

6. An electric actuator support according to claim 1, wherein The connecting disc and the connecting shaft are made of cast aluminum.

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