Anti-falling normally-closed electric heating actuator

Abstract

The utility model relates to the technical field of electric heating actuators, in particular to an anti-falling normally-closed electric heating actuator which comprises a machine body and a mounting seat, a base is integrally arranged at the bottom of the machine body and arranged at the top of the mounting seat, and the base and the mounting seat are firmly connected through a connecting mechanism to achieve the anti-falling purpose. The connecting mechanism comprises a bottom plate and a round frame which form a mounting base, a round plate is fixed to the bottom of the base, and four grooves are formed in the round plate. The device has the beneficial effects that after the inserting rod penetrates through the through groove, the bottom of the inserting rod enters the second round groove, then the rotating disc is manually rotated to drive the rotating shaft to rotate, and the rotating disc can rotate only under the human effect; the rotating shaft rotates to drive the disc to rotate, when the disc rotates, the four bent rods drive the four limiting blocks to synchronously move along the sliding grooves, then the limiting blocks penetrate through the notches to fix the inserting rods into the mounting base, and then stable connection of the machine body and the mounting base is completed to prevent falling off.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric heating actuator technical field especially relates to a prevent falling normally closed electric heating actuator. BACKGROUND

[0002] The normally closed electric heating actuator is also called electric heating thermostat controller, which is a new concept device for remotely controlling system flow, heat (cold), and is suitable for temperature control of heating and central air conditioning in residence, shopping mall and hotel, and for temperature control in each room. The electric heating actuator is mainly used in the ground heating system to control the closing and opening of the pipeline.

[0003] The shell and the base are clamped through the metal wire and the annular groove. When assembling the water heater, people can first threadedly connect the base with the valve, and then clamp the arc bend part of the metal wire into the annular groove to realize the connection of the shell and the base. When screwing the base, it is not necessary to continuously press the shell, which is labor-saving and convenient in operation. The guide hole and the chamfer play a guiding role when the base extends into the through hole, thereby improving the assembly efficiency of the shell and the base.

[0004] However, the above-mentioned scheme still has the following problems in use: the threaded connection is easy to appear the phenomenon of burr, which will cause loosening and affect the stability of the connection. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the problem of the prior art that the threaded connection is easy to appear the phenomenon of burr, which will cause loosening and affect the stability of the connection, and provides a normally closed electric heating actuator that prevents falling.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a normally closed electric heating actuator that prevents falling, comprising: a machine body, a mounting seat, the bottom of the machine body is integrally provided with a base, the base is arranged on the top of the mounting seat, the base and the mounting seat are firmly connected through a connecting mechanism to achieve the purpose of preventing falling, the connecting mechanism comprises a bottom plate and a circular frame that constitute the mounting seat, the bottom of the base is fixedly provided with a circular plate, the circular plate is provided with four recesses that are at an angle of ninety degrees, the recesses are internally provided with springs and slidingly connected with insertion rods, the bottom of the spring is fixedly connected with the insertion rod, and the insertion rod is provided with a slot.

[0007] As a further scheme of the utility model, the circular frame is provided with a first circular groove, and four through grooves that are at an angle of ninety degrees are arranged through the bottom of the first circular groove.

[0008] As a further scheme of the utility model, the outer side of the bottom plate is provided with a second circular groove, a rotating shaft is rotatably connected to the inside of the bottom plate, a disc is fixed to the top of the rotating shaft, a bent rod is rotatably connected to the bottom of the disc, a sliding groove is slidably connected to the top of the bottom plate, and a limiting block is slidably connected along the sliding groove.

[0009] As a further scheme of the utility model, the bottom of the bottom plate is provided with a containing groove, and a rotating disc is placed in the containing groove and extends out of the containing groove.

[0010] As a further scheme of the utility model, the plug rod and the through groove are matched with each other, and the length and width of the plug rod are smaller than those of the through groove, and the disc is matched with the first circular groove.

[0011] As a further scheme of the utility model, the bottom of the rotating shaft is fixedly connected to the rotating disc, and the rotating disc drives the rotating shaft to rotate and then drives the disc to rotate.

[0012] As a further scheme of the utility model, the slot is matched with the limiting block, and the width of the limiting block is smaller than that of the slot.

[0013] The utility model discloses a kind of anti-falling normally closed electric heating actuators, beneficial effect lies in:

[0014] 1, after the plug rod penetrates through the through groove, the bottom of the plug rod enters the second circular groove, at this time, the slot of the bottom of the plug rod is just in the same straight line with the limiting block, then manually rotating the rotating disc drives the rotating shaft to rotate, the rotating disc only rotates under human action, the rotating shaft drives the disc to rotate, the disc rotates and drives four limiting blocks to move along the sliding groove synchronously by four bent rods, then the limiting block penetrates the slot and fixes the plug rod in the inside of mounting seat, to complete the stable connection of machine body and mounting seat and prevent from falling off.

[0015] 2, if the plug rod is fixed at the bottom of the disc, it needs to be aligned with the through groove when putting in, the plug rod is designed to be telescopic as described above, so that the disc can be placed in the first circular groove from any position, and then the plug rod is penetrated through the through groove by rotating, so that the design improves the convenience of operation. DRAWINGS

[0016] Figure 1 It is the overall structure schematic diagram of electric heating actuator proposed in the utility model;

[0017] Figure 2 It is the overall structure schematic diagram of electric heating actuator proposed in the utility model; Figure 1 Split diagram;

[0018] Figure 3 It is the top structure schematic diagram of bottom plate proposed in the utility model;

[0019] Figure 4 A bottom structure schematic view of the bottom plate is provided in the utility model.

[0020] Figure 5 A machine body bottom structure schematic view is provided in the utility model.

[0021] Figure 6 A machine body bottom structure schematic view is provided in the utility model. Figure 5 A partial enlarged view.

[0022] In the figure: 1, machine body; 2, base; 3, mounting seat; 4, bottom plate; 6, round frame; 7, round plate; 8, groove; 9, spring; 10, insertion rod; 11, slot; 12, first round groove; 13, through groove; 14, second round groove; 16, rotating shaft; 17, disc; 18, bent rod; 19, sliding groove; 20, limiting block; 21, containing groove; 22, rotating disc. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] In the description of the utility model, it should be explained that the directions or position relations indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like are the directions or position relations shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the devices or elements indicated must have a particular direction, be constructed and operated in a particular direction, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance. In the description of the utility model, it should be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "setting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the overall structure of the utility model, and its embodiments will be described below.

[0025] The utility model provides a kind of anti-falling normally closed electric heating actuator, including: body 1, mounting seat 3, the bottom of the body 1 is integrally provided with pedestal 2, the pedestal 2 is arranged at the top of mounting seat 3, the pedestal 2 and mounting seat 3 are firmly connected by connecting mechanism to achieve the purpose of anti-falling, the connecting mechanism includes the bottom plate 4 of the mounting seat 3, round frame 6, the bottom of the pedestal 2 is fixed with round plate 7, the round plate 7 is provided with four recesses 8 of ninety degrees included angle, the inside of the recess 8 is provided with spring 9 and is slidably connected with plug rod 10, the bottom of the spring 9 is fixedly connected with plug rod 10, the plug rod 10 is provided with notch 11, the bottom of pedestal 2 is placed on the top of mounting seat 3, at this time, the round plate 7 of the bottom of pedestal 2 is located in the inside of first circular groove 12, when the round plate 7 enters first circular groove 12, spring 9 is compressed and then plug rod 10 is retracted into the recess 8, then rotate body 1, then plug rod 10 moves to the position of through groove 13,

[0026] Further, the round frame 6 is provided with a first circular groove 12, the bottom of the first circular groove 12 is provided with four through grooves 13 of ninety degrees included angle, the plug rod 10 cooperates with the through groove 13, and the length and width of the plug rod 10 are less than those of the through groove 13, the round plate 7 cooperates with the first circular groove 12,

[0027] The outer side of the bottom plate 4 is provided with a second circular groove 14, the inside of the bottom plate 4 is rotatably connected with a rotating shaft 16, the top of the rotating shaft 16 is fixedly connected with a disc 17, the bottom of the disc 17 is rotatably connected with a bent rod 18, the top of the bottom plate 4 is slidably connected with a sliding groove 19, and a limiting block 20 is slidably connected along the sliding groove 19, the limiting block 20 cooperates with the notch 11, the bottom of the bottom plate 4 is provided with a containing groove 21, the inside of the containing groove 21 is placed with a rotating disc 22, and the rotating disc 22 extends out of the containing groove 21, the bottom of the rotating shaft 16 is fixedly connected with the rotating disc 22, by rotating the rotating disc 22 to drive the rotating shaft 16 to rotate, and then drive the disc 17 to rotate,

[0028] It should be noted that the plug rod 10 penetrates the through groove 13, and then the bottom of the plug rod 10 enters the inside of the second circular groove 14, at this time, the notch 11 of the bottom of the plug rod 10 is just on the same straight line with the limiting block 20, then manually rotate the rotating disc 22 to drive the rotating shaft 16 to rotate, the rotating disc 22 only rotates under human action, the rotating shaft 16 rotates to drive the disc 17 to rotate, when the disc 17 rotates, the four limiting blocks 20 are synchronously moved along the sliding groove 19 by the four bent rods 18, then the limiting block 20 penetrates the notch 11 to fix the plug rod 10 in the inside of the mounting seat 3, and then the stable connection of the body 1 and the mounting seat 3 is completed to prevent falling

[0029] Working principle: the base 2 bottom is put to the top of the mounting seat 3, at this time the round plate 7 of the base 2 bottom is located inside the first circular groove 12, when the round plate 7 enters the first circular groove 12, the spring 9 is compressed and then the inserting rod 10 is retracted into the recess 8, then the body 1 is rotated and then the inserting rod 10 moves to the position of the through groove 13, at this time the compressed spring 9 resets and drives the inserting rod 10 to penetrate the through groove 13, then the bottom of the inserting rod 10 enters the inside of the second circular groove 14, if the inserting rod 10 is fixed at the bottom of the round plate 7, then it needs to align the through groove 13 when putting in, the inserting rod 10 is designed to be telescopic as mentioned above, so that the round plate 7 can be put into the first circular groove 12 from any position, then the inserting rod 10 penetrates the through groove 13 by rotating, so the design improves the convenience of operation,

[0030] The inserting rod 10 penetrates the through groove 13, then the bottom of the inserting rod 10 enters the inside of the second circular groove 14, at this time the slot 11 of the bottom of the inserting rod 10 is just on the same straight line with the limiting block 20, then the rotating disc 22 is manually rotated to drive the rotating shaft 16 to rotate, the rotating disc 22 only rotates under the action of human, the rotating shaft 16 rotates to drive the disc 17 to rotate, when the disc 17 rotates, the four limiting blocks 20 are driven to move along the sliding groove 19 by the four bent rods 18, then the limiting block 20 penetrates the slot 11 to fix the inserting rod 10 inside the mounting seat 3, thereby completing the stable connection of the body 1 and the mounting seat 3 to prevent falling and solving the problems in the background art.

[0031] The above, only for the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled in the art of the technical personnel in the technical range disclosed by the present application, according to the technical scheme of the present application and the utility model concept of the present application are equivalent to replace or change, should be covered in the protection scope of the present application.

Claims

1. A latching, normally closed electrothermal actuator comprising: The utility model relates to a machine body (1), mounting seat (3), its characterized in be: the bottom of machine body (1) integrative setting has base (2), base (2) sets up at the top of mounting seat (3), base (2) and mounting seat (3) are firmly connected through connecting mechanism and realize the purpose of preventing falling, connecting mechanism includes the bottom plate (4) of the mounting seat (3), round frame (6), the bottom of base (2) is fixed with round plate (7), round plate (7) is provided with four recesses (8) of ninety degrees included angle, recess (8) is provided with spring (9) in the inside and is slidably connected with plug rod (10), the bottom of spring (9) and plug rod (10) fixed connection, plug rod (10) is provided with slot (11) through.

2. A latching, normally closed electrothermal actuator according to claim 1, wherein, Round frame (6) is provided with first circular groove (12), and the bottom of first circular groove (12) is provided with four through grooves (13) through.

3. A latching, normally closed electrothermal actuator according to claim 1, wherein The outer side of bottom plate (4) is provided with second circular groove (14), and the inside of bottom plate (4) is rotatably connected with pivot (16), the top of pivot (16) is fixed with disc (17), the bottom of disc (17) is rotatably connected with bent rod (18), the top of bottom plate (4) is slidably connected with sliding slot (19), and limit block (20) is slidably connected along sliding slot (19).

4. The anti-drop normally closed electrothermal actuator according to claim 1, wherein The bottom of bottom plate (4) is provided with containing groove (21), and the inside of containing groove (21) is placed with rotating disc (22), and rotating disc (22) extends out containing groove (21).

5. The anti-drop normally closed electrothermal actuator according to claim 1, wherein Plug rod (10) and through groove (13) cooperate with each other, and the length and width of plug rod (10) are less than the length and width of through groove (13), and round plate (7) cooperates with first circular groove (12).

6. A latching, normally closed electrothermal actuator according to claim 3, wherein The bottom of pivot (16) is fixedly connected with rotating disc (22), and rotating disc (22) drives pivot (16) to rotate and further drives disc (17) to rotate by rotating.

7. A latching, normally closed electrothermal actuator according to claim 1, wherein Slot (11) cooperates with limit block (20), and the width of limit block (20) is less than the width of slot (11).

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