Electric two-way valve with protection function

Abstract

The utility model provides an electric two-way valve with a protection function, which relates to the technical field of electric two-way valves and comprises an electric two-way valve body and two water pipes, the two ends of the electric two-way valve body are respectively provided with two valve pipes, and one ends of the two water pipes are respectively and fixedly connected with two first flange plates. The two first flange plates are movably connected to the second flange plates arranged at one ends of the two valve pipes through the two connecting devices correspondingly, when the two first flange plates rotate to a certain position, rotation of the rotating frame is stopped, at the moment, a limiting rod arranged on a screw rod loses limiting of a limiting groove formed in a limiting piece, and at the moment, the screw rod is pulled through the rotating frame; the screw rod and the limiting rod arranged on the screw rod can move along the limiting groove until the screw rod and the limiting rod move out of the limiting piece, then the first flange plate and the second flange plate are separated, and therefore the sealing gasket is replaced, the maintenance workload is reduced, and the probability that an original flange plate or an original pipeline connector is damaged is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric two -way valve technical field especially relates to a kind of electric two -way valve with protection function. BACKGROUND

[0002] Electric two-way valve is a kind of electric control valve, for controlling the flow of fluid, it is usually composed of electric actuator and valve body, the opening and closing of valve are driven by electric actuator, to control the flow of fluid, electric two-way valve is widely used in heating ventilation air conditioning, industrial process control, water treatment field.

[0003] At present, electric two-way valve usually has protection function, when the motor of electric two-way valve appears overload condition, such as valve opening or closing process encounters too big resistance, leading to motor current too large, overload protection device will cut off motor power supply in time, prevent motor from burning due to overheating, the existing electric two-way valve when using, first welding or installing flange plate matched with the specification of valve pipe and water pipe at the end of valve pipe and water pipe respectively, to ensure the flatness and concentricity of flange plate, then appropriate sealing gasket is placed between two flange plates, bolt is passed through bolt hole on flange plate, and nut is uniformly tightened, so that flange plate is tightly attached, realizes sealing connection, however, when the existing electric two-way valve needs to replace sealing gasket, all bolts need to be loosened and flange plate is removed, maintenance workload is increased, and original flange plate or pipeline interface can be also damaged.

[0004] Therefore, it is necessary to provide a new electric two-way valve with protection function to solve the above technical problems. INVENTION CONTENTS

[0005] To solve the above technical problems, the utility model provides a kind of electric two-way valve with protection function.

[0006] The utility model provides a kind of electric two-way valve with protection function including electric two-way valve body and two water pipes, two valve pipes are respectively arranged at the both ends of the electric two-way valve body, two first flange plates are respectively fixedly connected with the one end of two water pipes, two first flange plates are respectively movably connected on the second flange plate of one end setting of two valve pipes by two connecting devices;

[0007] The connecting device includes rotating frame, screw rod, fixed frame and connecting frame, rotating frame pivot is connected to the one end of first flange plate, the screw rod one end is screwed in the inner wall of rotating groove set in rotating frame, and a plurality of limit rods are fixedly connected on the end of screw rod away from rotating frame, the fixed frame is fixedly connected to the one end of first flange plate, the connecting frame is fixedly connected to the outer surface of fixed frame, and the one end of connecting frame is movably connected with limiting mechanism, the limiting mechanism is fixedly connected to the inner wall of through hole set in second flange plate.

[0008] Preferably, the limiting mechanism comprises a fixing ring and a limiting piece, the fixing ring is fixedly connected to the inner wall of the groove on the second flange plate, and the limiting piece is fixedly connected to the inner wall of the fixing ring, and a limiting groove is formed in the limiting piece.

[0009] Preferably, the fixing frame is provided with a fixing hole adapted to the screw rod.

[0010] Preferably, one end of the screw rod located in the fixing frame, the connecting frame and the limiting piece is designed without screw thread.

[0011] Preferably, the top of the electric two-way valve is provided with an electric actuator.

[0012] Preferably, the first flange plate and the second flange plate are provided with a sealing gasket.

[0013] Compared with the related art, the electric two-way valve with protection function has the following beneficial effects:

[0014] When the sealing gasket needs to be replaced, the rotating frame is first rotated, and when the rotating frame is rotated, the screw rod arranged in the rotating frame moves towards the inside of the rotating frame, and when the rotating frame is rotated to a certain position, the rotating frame is stopped, at this time, the limiting rod arranged on the screw rod is out of the limiting of the limiting groove arranged on the limiting piece, at this time, the screw rod and the limiting rod arranged on the screw rod are moved along the limiting groove until they move out of the limiting piece, then the first flange plate and the second flange plate are separated, so that the sealing gasket is replaced, the device reduces the maintenance workload, and reduces the probability of damaging the original flange plate or pipeline interface. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The structure schematic view of the electric two-way valve with protection function is shown in the figure.

[0016] Figure 2 The structure schematic view of the electric two-way valve with protection function is shown in the figure. Figure 1 The structure schematic view of the electric two-way valve with protection function is shown in the figure.

[0017] Figure 3 The structure schematic view of the electric two-way valve with protection function is shown in the figure. Figure 1 The structure schematic view of the electric two-way valve with protection function is shown in the figure.

[0018] Figure 4 The structure schematic view of the electric two-way valve with protection function is shown in the figure. Figure 3 The structure schematic view of the electric two-way valve with protection function is shown in the figure.

[0019] Figure 5 The structure schematic view of the electric two-way valve with protection function is shown in the figure. Figure 4 The structure schematic view of the electric two-way valve with protection function is shown in the figure.

[0020] Figure 6 Fig. 1 is a structural schematic view of an electric two-way valve provided with a protection function according to the present application; Figure 4 Fig. 2 is an exploded structural schematic view of the electric two-way valve provided with a protection function according to the present application;

[0021] Fig. 1 is a structural schematic view of an electric two-way valve provided with a protection function according to the present application; DETAILED DESCRIPTION

[0022] The present application will be further described below in conjunction with the drawings and embodiments.

[0023] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 , among which, Figure 1 Fig. 1 is a structural schematic view of an electric two-way valve provided with a protection function according to the present application; Figure 2 Fig. 2 is an exploded structural schematic view of the electric two-way valve provided with a protection function according to the present application; Figure 1 Fig. 3 is a sectional structural schematic view of the electric two-way valve provided with a protection function according to the present application; Figure 3 Fig. 4 is a structural schematic view of a first flange plate and a second flange plate of the electric two-way valve provided with a protection function according to the present application; Figure 1 Fig. 5 is a structural schematic view of a connecting device of the electric two-way valve provided with a protection function according to the present application; Fig. 6 is a sectional structural schematic view of the connecting device of the electric two-way valve provided with a protection function according to the present application;

[0024] Fig. 7 is an exploded structural schematic view of the connecting device of the electric two-way valve provided with a protection function according to the present application; Figure 4 Fig. 8 is an exploded structural schematic view of the connecting device of the electric two-way valve provided with a protection function according to the present application. Figure 3 Fig. 9 is a structural schematic view of the connecting device of the electric two-way valve provided with a protection function according to the present application. Figure 5 Fig. 10 is a sectional structural schematic view of the connecting device of the electric two-way valve provided with a protection function according to the present application. Figure 4 Fig. 11 is an exploded structural schematic view of the connecting device of the electric two-way valve provided with a protection function according to the present application. Figure 6 Fig. 12 is an exploded structural schematic view of the connecting device of the electric two-way valve provided with a protection function according to the present application. Figure 4 Fig. 13 is a structural schematic view of the connecting device of the electric two-way valve provided with a protection function according to the present application.

[0025] In the specific implementation process, as Figures 1 to 6As shown, the electric two-way valve body 1 two ends are respectively provided with two valve pipes 2, two water pipes 5 one end is respectively fixedly connected with two first flange plates 3, two first flange plates 3 are respectively movably connected on the second flange plate 4 that two valve pipes 2 one end is provided with through two connecting devices, connecting device includes rotating frame 6, screw 7, fixed frame 8 and connecting frame 9, rotating frame 6 pivotally connected on the one end of first flange plate 3, screw 7 one end is screwed into the inner wall of rotating groove that rotating frame 6 is set up, and the end away from rotating frame 6 of screw 7 is fixedly connected with a plurality of limit rods 10, fixed frame 8 is fixedly connected on the one end of first flange plate 3, connecting frame 9 is fixedly connected on the outer surface of fixed frame 8, and connecting frame 9 one end movably connected with limiting mechanism, limiting mechanism is fixedly connected on the inner wall of through hole that second flange plate 4 is set up, limiting mechanism includes fixed ring 11 and limiting piece 12, fixed ring 11 is fixedly connected on the inner wall of recess that second flange plate 4 is set up, limiting piece 12 is fixedly connected on the inner wall of fixed ring 11, and limiting groove is set up in the inside of limiting piece 12, fixed hole 13 is set up on fixed frame 8 with screw 7 is adapted, the end of screw 7 located in fixed frame 8, connecting frame 9 and limiting piece 12 is designed without thread, electric two-way valve top is provided with electric actuator 14, first flange plate 3 and second flange plate 4 between are provided with sealing gasket, when needing to replace sealing gasket, first rotating rotating frame 6, rotating frame 6 when rotating, will drive its inside setting screw 7 to the inside of rotating frame 6 and move, when rotating to certain position, stop rotating rotating frame 6 can, limiting rod 10 set up on screw 7 will lose the limiting of limiting groove that limiting piece 12 is set up at this time, at this time, rotating frame 6 pulls screw 7, and limiting rod 10 set up on screw 7 will move along limiting groove, until moving out of limiting piece 12, then first flange plate 3 and second flange plate 4 are separated, thereby replacing sealing pad.

[0026] The working principle of the utility model provides as follows: when using, when needing to replace sealing gasket, first rotating rotating frame 6, rotating frame 6 when rotating, will drive its inside setting screw 7 to the inside of rotating frame 6 and move, when rotating to certain position, stop rotating rotating frame 6 can, limiting rod 10 set up on screw 7 will lose the limiting of limiting groove that limiting piece 12 is set up at this time, at this time, rotating frame 6 pulls screw 7, and limiting rod 10 set up on screw 7 will move along limiting groove, until moving out of limiting piece 12, then first flange plate 3 and second flange plate 4 are separated, thereby replacing sealing pad.

[0027] The circuit and control involved in the utility model are prior art, and will not be described in detail here.

[0028] The above merely illustrates the embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, which are made according to the content of the present application specification and drawings, are also included in the patent protection scope of the present application.

Claims

1. An electrically operated two-way valve with protective function, characterized in that, It includes an electric two-way valve body (1) and two water pipes (5). The electric two-way valve body (1) has two valve pipes (2) at both ends. Two first flanges (3) are fixedly connected to one end of the two water pipes (5). The two first flanges (3) are movably connected to the second flanges (4) at one end of the two valve pipes (2) through two connecting devices. The connecting device includes a rotating frame (6), a screw (7), a fixing frame (8), and a connecting frame (9). The rotating frame (6) is connected to one end of the first flange (3) by a rotating shaft. One end of the screw (7) is threaded to the inner wall of the rotating groove opened on the rotating frame (6). Several limiting rods (10) are fixedly connected to the end of the screw (7) away from the rotating frame (6). The fixing frame (8) is fixedly connected to one end of the first flange (3). The connecting frame (9) is fixedly connected to the outer surface of the fixing frame (8). A limiting mechanism is movably connected to one end of the connecting frame (9). The limiting mechanism is fixedly connected to the inner wall of the through hole opened on the second flange (4).

2. The electrically operated two-way valve with protective function according to claim 1, characterized in that, The limiting mechanism includes a fixed ring (11) and a limiting member (12). The fixed ring (11) is fixedly connected to the inner wall of the groove opened on the second flange (4). The limiting member (12) is fixedly connected to the inner wall of the fixed ring (11), and a limiting groove is opened inside the limiting member (12).

3. The electrically operated two-way valve with protective function according to claim 2, characterized in that, The fixing frame (8) is provided with fixing holes (13) that are adapted to the screw (7).

4. The electrically operated two-way valve with protective function according to claim 3, characterized in that, The screw (7) is designed without threads at one end of the fixing frame (8), connecting frame (9) and limiting member (12).

5. The electrically operated two-way valve with protective function according to claim 4, characterized in that, An electric actuator (14) is provided on the top of the electric two-way valve.

6. The electrically operated two-way valve with protective function according to claim 5, characterized in that, A sealing gasket is provided between the first flange (3) and the second flange (4).

Images