Electric valve actuator

Abstract

The utility model discloses an electric valve actuator which comprises a valve body and a manual adjusting portion arranged above the valve body, the manual adjusting portion comprises a manual rotating portion and a rotating supporting portion, the manual rotating portion comprises a rotating handle used for rotating supporting and a rotating inserting block connected in a rotating mode, and the rotating handle is connected with the rotating inserting block in a rotating mode. The rotating inserting block is fixedly arranged at the lower end of the rotating handle, and the rotating inserting block is connected with a rotating structure at the upper end of the valve body in an inserting mode; the lower end positioning ring and the fastening supporting ring are used for rotation limiting, the positioning block and the fastening block are used for providing limiting supporting, the lower end positioning ring is located in the fastening supporting ring, and the positioning block is rotationally connected with the fastening block. The manual rotating part is mounted and rotated under the limiting support of the rotating supporting part in the manual adjusting part, so that the device is convenient to mount and dismount the rotating handle.

Description

Technical Field

[0001] The utility model belongs to the technical field of valve actuators, and particularly relates to an electric valve actuator. Background Technique

[0002] A valve electric actuator refers to a machine that uses electric energy as the main energy source to drive a valve.

[0003] After retrieval, a patent with the Chinese patent publication number CN217301802U discloses an electric valve actuator, which includes a housing, a motor, and a gear set. It also includes a capacitor bank that can store electrical energy and provide electrical energy to the motor when the power supply is disconnected. The electricity stored in the capacitor is used to start the motor to open or close the valve. The beneficial effects of the utility model are as follows: The power-off reset of the capacitor bank of the utility model fills the deficiencies of the original electric valve actuator and has a power-off reset function. By integrating manual and electric designs, the utility model is convenient for users to use. At the same time, a two-stage planetary gear set is set to make the output torque larger, which is convenient for opening and closing the valve.

[0004] The above solution cannot conveniently disassemble and install the manual rotating parts, resulting in excessive costs when multiple devices are used simultaneously, which is not conducive to saving the costs of the device. Summary of the Invention

[0005] In view of the problem in the prior art that the manual rotating parts cannot be conveniently disassembled and installed, resulting in excessive costs when multiple devices are used simultaneously and being not conducive to saving the costs of the device, the utility model proposes the following technical solutions:

[0006] An electric valve actuator includes a valve body and a manual adjustment part arranged above the valve body. The manual adjustment part includes a manual rotating part and a rotating support part, including:

[0007] The manual rotating part includes a rotating handle for rotating support and a rotating insertion block for rotating connection. Among them, the rotating insertion block is fixedly arranged at the lower end of the rotating handle, and the rotating insertion block is inserted into the rotating structure at the upper end of the valve body.

[0008] The rotating support part includes a lower end positioning ring and a fastening support ring for rotating limit, a positioning block for providing limit support, and a fastening block. Among them, the lower end positioning ring is located inside the fastening support ring, and the positioning block is rotatably connected to the fastening block.

[0009] The rotating structure includes a rotating connection block for rotating connection and support, a rotating connection bolt for internal and external rotating support, and a lower end limit ring and an upper end limit plate for auxiliary limit. Among them, the upper end limit plate is fixedly arranged at the upper end of the rotating connection bolt, the rotating connection block is fixedly arranged at the upper end of the upper end limit plate, and the lower half of the outer side of the rotating connection bolt is fixedly connected with the lower end limit ring.

[0010] By installing and rotating the manual rotating part under the limit support of the rotating support part in the manual adjustment part, the device is convenient for installing and disassembling the rotating handle.

[0011] As a preference of the above technical solution, the rotating support part further includes an upper end rotating ring for rotating assistance, a rotating support ring for providing rotating support for the upper end rotating ring, and a sliding component for providing mutual movement between the upper end rotating ring and the lower end positioning ring. The upper end rotating ring is rotatably connected with the rotating support ring, and the upper and lower ends of the sliding component are respectively fixedly connected with the upper end rotating ring and the lower end positioning ring.

[0012] Through the telescopic connection of the sliding component, the distance is ensured to be stable when the upper end rotating ring and the lower end positioning ring move relative to each other.

[0013] As a preference of the above technical solution, the rotating support ring is fixedly arranged outside the rotating handle. The sliding component includes an upper end fixed support cylinder and a lower end sliding limit rod, and the lower end sliding limit rod is slidably arranged inside the upper end fixed support cylinder.

[0014] By integrating the rotating support ring with the rotating handle, the stability of the entire manual rotating part during operation is ensured.

[0015] As a preference of the above technical solution, the rotating support part further includes a positioning groove and a fastening groove for limit assistance. The positioning groove is opened at the upper end of the lower end positioning ring, the fastening groove is opened on the outer side of the fastening support ring, and the fastening support ring penetrates through the inner and outer sides of the fastening support ring. The positioning groove is inserted with the positioning block, and the fastening groove is inserted with the fastening block.

[0016] Through the limitation of the upper end limit plate and the lower end limit ring and the support of multiple sealing rings, the distance during the movement of the rotating structure is ensured to be controllable.

[0017] As a preference of the above technical solution, sealing rings are fixedly connected to the adjacent sides of the lower end limit ring and the upper end limit plate, and at least two sealing rings are arranged on the same side of the lower end limit ring and the upper end limit plate.

[0018] Through the multiple fastening grooves provided, rainwater can be discharged in time when the device is used outdoors, improving the stability of its manual part use.

[0019] The beneficial effects of the present utility model are as follows:

[0020] (1) By installing and fixing the lower positioning ring and the fastening support ring inside the rotating support part under the limitation of the positioning block and the fastening block, and then accurately inserting the rotating insertion block inside the manual rotating part with the rotating connection block, the overall manual adjustment part can be stably and accurately rotated by rotating the rotating handle, enabling the device to be manually rotated conveniently and stably.

[0021] (2) By releasing the limitation state of the positioning block and the fastening block, the entire manual adjustment part can be directly removed, facilitating the installation and disassembly of the manual operating device, and improving the convenience and economy of manual control when multiple devices are used simultaneously. Description of the Drawings

[0022] Figure 1 Shows an exploded view of the entire device in Embodiment 1;

[0023] Figure 2 Shows an overall view of the rotating structure in Embodiment 1;

[0024] Figure 3 Shows a partial view of the rotating support part in Embodiment 1;

[0025] Figure 4 Shows an overall view of the limiting structure in Embodiment 2.

[0026] In the figure: 1, valve body; 2, fastening support ring; 3, upper limiting plate; 4, lower limiting ring; 5, rotating connection bolt; 6, rotating connection block; 7, fastening groove; 8, rotating handle; 9, rotating insertion block; 10, rotating support ring; 11, upper rotating ring; 12, lower positioning ring; 13, sliding assembly; 14, positioning groove; 15, positioning block; 16, fastening block. Detailed Description of the Embodiments

[0027] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the technical solutions of the present utility model will be clearly and completely described below in conjunction with the embodiments.

[0028] Embodiment 1

[0029] Figure 1 Shows an overall three-dimensional structural schematic diagram as a specific embodiment of the present utility model. Figure 1 Among them, it includes a valve body 1, and a manual adjustment part arranged above the valve body 1. The manual adjustment part includes a manual rotating part and a rotating support part, including:

[0030] The manual rotation part includes a rotation handle 8 for rotational support and a rotation insertion block 9 for rotational connection. Among them, the rotation insertion block 9 is fixedly arranged at the lower end of the rotation handle 8, and the rotation insertion block 9 is inserted into the rotation structure at the upper end of the valve body 1;

[0031] The rotation support part includes a lower end positioning ring 12 for rotational limit and a fastening support ring 2, a positioning block 15 for providing limit support, and a fastening block 16. Among them, the lower end positioning ring 12 is located inside the fastening support ring 2, and the positioning block 15 is rotatably connected to the fastening block 16;

[0032] The rotation structure includes a rotation connection block 6 for rotational connection support, a rotation connection bolt 5 for internal and external rotational support, and a lower end limit ring 4 and an upper end limit plate 3 for auxiliary limit. Among them, the upper end limit plate 3 is fixedly arranged at the upper end of the rotation connection bolt 5, the rotation connection block 6 is fixedly arranged at the upper end of the upper end limit plate 3, and the lower half of the outer side of the rotation connection bolt 5 is fixedly connected with the lower end limit ring 4.

[0033] When the device is running, the manual rotation part is installed under the limit support of the rotation support part in the manual adjustment part, so that the device is convenient for installing and disassembling the rotation handle 8. Specifically, by installing and fixing the lower end positioning ring 12 and the fastening support ring 2 inside the rotation support part under the limit of the positioning block 15 and the fastening block 16, and then accurately inserting the rotation insertion block 9 inside the manual rotation part and the rotation connection block 6, the whole manual adjustment part can be driven to rotate stably and accurately by rotating the rotation handle 8, so that the device can rotate manually conveniently and stably. Further, by releasing the limit state of the positioning block 15 and the fastening block 16, the whole manual adjustment part can be directly removed, so as to facilitate the installation and disassembly of the manual operation device, and improve the convenience and economy of manual control when multiple devices are used simultaneously.

[0034] Figure 3 and Figure 4 Shown is the overall structural schematic diagram of the rotation support part as a specific embodiment of the present invention. Figure 3 and Figure 4 In, the rotation support part further includes an upper end rotation ring 11 for rotational assistance, a rotation support ring 10 for providing rotational support for the upper end rotation ring 11, and a sliding component 13 for providing mutual movement between the upper end rotation ring 11 and the lower end positioning ring 12. The upper end rotation ring 11 is rotatably connected to the rotation support ring 10, and the upper and lower ends of the sliding component 13 are respectively fixedly connected with the upper end rotation ring 11 and the lower end positioning ring 12.

[0035] The rotation support ring 10 is fixedly arranged outside the rotation handle 8. The sliding component 13 includes an upper end fixed support cylinder and a lower end sliding limit rod. Among them, the lower end sliding limit rod is slidably arranged inside the upper end fixed support cylinder.

[0036] The rotating support part further includes a positioning groove 14 and a fastening groove 7 for limiting assistance. The positioning groove 14 is formed at the upper end of the lower positioning ring 12, and the fastening groove 7 is formed on the outer side of the fastening support ring 2. And the fastening support ring 2 penetrates through both the inner and outer sides of the fastening support ring 2. The positioning groove 14 is inserted with the positioning block 15, and the fastening groove 7 is inserted with the fastening block 16.

[0037] By inserting and limiting the lower positioning ring 12 and the fastening support ring 2 with the positioning block 15 and the fastening block 16 supported by the positioning groove 14 and the fastening groove 7, and then under the sliding and stretching support between the upper rotating ring 11 and the lower positioning ring 12, the stable limiting support of the rotating support part is ensured. At the same time, the limiting support part can move with the height movement of the manual rotating part, and at the same time, the continuous support effect of the rotating support part on the manual rotating part is ensured.

[0038] Embodiment 2

[0039] Figure 2 Shown is a schematic diagram of the overall structure of the rotating structure as a specific embodiment of the present invention. Figure 2 In it, sealing rings are fixedly connected to the adjacent sides of the lower limiting ring 4 and the upper limiting plate 3, and at least two sealing rings are arranged on the same side of the lower limiting ring 4 and the upper limiting plate 3.

[0040] Under the limitation of the upper limiting plate 3 and the lower limiting ring 4 and the support of multiple sealing rings, the distance during the movement of the rotating structure is controllable, and at the same time, the sealing performance after its movement stability can be improved.

[0041] Figure 2 and Figure 3 Shown is a schematic diagram of the partial structure of the rotating support as a specific embodiment of the present invention. Figure 2 and Figure 3 There are several sliding components 13, at least three positioning grooves 14 are provided, every two fastening grooves 7 are in a group, and one of the fastening grooves 7 is inserted with the fastening block 16.

[0042] By providing a plurality of fastening grooves 7, rainwater can be discharged in time when the device is used outdoors, improving the stability of its manual part use.

[0043] Working principle: The lower positioning ring 12 and the fastening support ring 2 inside the rotating support part are installed and fixed under the limitation of the positioning block 15 and the fastening block 16, and then the rotating insertion block 9 inside the manual rotating part is accurately inserted into the rotating connection block 6, so that the overall manual adjustment part can be stably and accurately rotated by rotating the rotating handle 8, enabling the device to be manually rotated conveniently and stably. At the same time, the positioning block 15 and the fastening block 16 support the lower positioning ring 12 and the fastening support ring 2 in the positioning groove 14 and the fastening groove 7 for insertion and limitation, and then, under the sliding and stretching support between the upper rotating ring 11 and the lower positioning ring 12. Further, by releasing the limitation state of the positioning block 15 and the fastening block 16, the entire manual adjustment part can be directly removed, thus facilitating the installation and disassembly of the manual operating device and improving the convenience and economy of manual control when multiple devices are used simultaneously.

[0044] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it.

Claims

1. Electric valve actuator, comprising a valve body (1), and a manual adjustment part arranged above the valve body (1), the manual adjustment part comprising a manual rotation part and a rotation support part, characterized in that, Comprising: The manual rotation part includes a rotation handle (8) for rotational support and a rotation insertion block (9) for rotational connection. Among them, the rotation insertion block (9) is fixedly arranged at the lower end of the rotation handle (8), and the rotation insertion block (9) is inserted into the upper end rotational structure of the valve body (1); The rotational support part includes a lower end positioning ring (12) for rotational limit, a fastening support ring (2), a positioning block (15) for providing limit support, and a fastening block (16). Among them, the lower end positioning ring (12) is located inside the fastening support ring (2), and the positioning block (15) is rotatably connected to the fastening block (16); The rotational structure includes a rotation connection block (6) for rotational connection support, a rotation connection bolt (5) for internal and external rotational support, and a lower end limit ring (4) and an upper end limit plate (3) for auxiliary limit. Among them, the upper end limit plate (3) is fixedly arranged at the upper end of the rotation connection bolt (5), the rotation connection block (6) is fixedly arranged at the upper end of the upper end limit plate (3), and the lower half of the outer side of the rotation connection bolt (5) is fixedly connected with a lower end limit ring (4).

2. The electric valve actuator according to claim 1, wherein The rotational support part further includes an upper end rotation ring (11) for rotational assistance, a rotation support ring (10) for providing rotational support for the upper end rotation ring (11), and a sliding component (13) for providing mutual movement between the upper end rotation ring (11) and the lower end positioning ring (12). The upper end rotation ring (11) is rotatably connected to the rotation support ring (10), and the upper and lower ends of the sliding component (13) are respectively fixedly connected with the upper end rotation ring (11) and the lower end positioning ring (12).

3. The electric valve actuator according to claim 2, wherein The rotation support ring (10) is fixedly arranged on the outer side of the rotation handle (8). The sliding component (13) includes an upper end fixed support cylinder and a lower end sliding limit rod, and the lower end sliding limit rod is slidably arranged inside the upper end fixed support cylinder.

4. The electric valve actuator according to claim 2, characterized in that, The rotational support part further includes a positioning groove (14) and a fastening groove (7) for limit assistance. The positioning groove (14) is opened at the upper end of the lower end positioning ring (12), the fastening groove (7) is opened on the outer side of the fastening support ring (2), and the fastening support ring (2) penetrates through the inner and outer sides of the fastening support ring (2). The positioning groove (14) is inserted into the positioning block (15), and the fastening groove (7) is inserted into the fastening block (16).

5. The electric valve actuator according to claim 1, characterized in that, Sealing rings are fixedly connected to the adjacent sides of the lower end limit ring (4) and the upper end limit plate (3), and at least two sealing rings are arranged on the same side of the lower end limit ring (4) and the upper end limit plate (3).

6. The electric valve actuator according to claim 4, characterized in that, There are several sliding components (13), at least three positioning grooves (14) are opened, every two fastening grooves (7) form a group, and one of the fastening grooves (7) is inserted into the fastening block (16).

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