CN216555403U - Industrial hydraulic self-closing butterfly valve - Google Patents

Abstract

The utility model relates to the technical field of self-closing butterfly valves and discloses an industrial hydraulic self-closing butterfly valve which comprises a rotary disc and a shell, wherein a valve is connected inside the shell, the lower end of the shell is connected with an inserting mechanism, a fixing mechanism is connected inside the inserting mechanism, the top end surface of the shell is connected with a variable frequency motor, the surface of the shell is connected with a connecting shell, and the rotary disc is arranged on the top end surface of the shell. This industrial water conservancy is from closing butterfly valve, connect through axis of rotation and connecting axle, the alloy leaf spring promotes the second inserted bar and removes, the second inserted bar is connected axis of rotation and connecting axle, conveniently advance to change axis of rotation and connecting axle, the method of change convenience more and simple, reduce the waste of fund, reduce operating personnel's operating time, the connecting axle removes downwards, promote the push rod and remove downwards in the connecting rod is inside, connecting axle and push rod are connected with first inserted bar, fix the connecting axle, increase the connection between connecting axle and the axis of rotation, it is more firm to connect.

Description

An industrial hydraulic self-closing butterfly valve

technical field

The utility model relates to the technical field of self-closing butterfly valves, in particular to an industrial hydraulic self-closing butterfly valve.

Background technique

Industrial butterfly valve, also known as flap valve, is a kind of regulating valve with simple structure. Butterfly valve that can be used for on-off control of low-pressure pipeline medium refers to a valve whose closing member is a disc that rotates around the valve shaft to open and close.

Butterfly valve is a kind of valve that uses a disc opening and closing member to reciprocate about 90° to open, close or adjust the flow of the medium. Butterfly valve not only has simple structure, small size, light weight, low material consumption, small installation size, small driving torque, simple and fast operation, but also has good flow regulation function and closing sealing characteristics.

However, when the rotating shaft of the butterfly valve is fixedly connected to the upper connecting shaft of the variable frequency motor, it is more troublesome and cannot be used for a long time.

Utility model content

The purpose of this utility model is to provide an industrial hydraulic self-closing butterfly valve to solve the problems raised in the above background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: an industrial hydraulic self-closing butterfly valve, comprising a turntable and a casing, the casing is internally connected with a valve, the lower end of the casing is connected with a plug-in mechanism, and the plug-in A fixing mechanism is connected inside the mechanism, a variable frequency motor is connected to the top surface of the outer shell, a connecting shell is connected to the surface of the outer shell, and the top surface of the outer shell is set on the turntable. The shell protects the safety of the shell, and at the same time, it is easy to install. The valve can be rotated by being provided with a plug-in mechanism, the connecting mechanism can be fixed by being provided with a fixing mechanism, water can be flown by being provided with a valve, and a turntable can be provided with a belt. The internal device of the plug-in mechanism rotates, and the internal device of the plug-in mechanism can be rotated by being provided with a frequency conversion motor.

Preferably, the fixing mechanism includes a connecting rod and a push rod, the bottom end surface of the push rod is connected with a coil spring, the upper end of the connecting rod is connected with an alloy leaf spring, and the upper end of the connecting rod is connected with a fixing rod, so The right end of the surface of the fixing rod is connected with a sliding sleeve, the left surface of the alloy leaf spring is connected with a second insertion rod, the left end of the second insertion rod is connected with a first insertion rod, and the push rod is connected with the connecting rod. Inside, the first plunger can be fixed by being provided with a push rod, the internal device can be protected by being provided with a connecting rod, the second plunger can be pushed to move by being provided with an alloy leaf spring, and the second plunger can be moved by being provided with a second plunger. The insertion mechanism is fixed, the sliding sleeve can be arranged on the surface of the fixed rod, the second insertion rod can be moved by the fixed rod, and the push rod can be pushed to move by the coil spring.

Preferably, the number of the second insertion rods is four, two of the second insertion rods form a group, the two sets of the second insertion rods are connected to the upper ends of the connecting rods, and the two second insertion rods are connected to the upper ends of the connecting rods. Connected to the left side surface and the right side surface of the alloy leaf spring, the two second insertion rods are connected to the bottom of the fixed rod, and the surface of the rotating shaft is connected with the surface of the rolling device to reduce friction, and the first insertion rod is connected to the surface of the rolling device. The surface of the connecting shaft is connected.

Preferably, the number of the push rods is two, the two push rods are connected to the upper end of the first insertion rod, and the two push rods are connected to the bottom end surface of the coil spring. The interior moves downward, the connecting shaft and the push rod are connected with the first insertion rod, the connecting shaft is fixed, the connection between the connecting shaft and the rotating shaft is increased, and the connection is more stable.

Preferably, the plug-in mechanism includes a rotating shaft and a connecting shaft, the surface of the rotating shaft is connected with a rolling device, the rotating shaft is connected to the surface of the connecting shaft, and the valve can be driven to rotate by setting the rotating shaft. The rolling device can reduce the frictional force, and the rotating shaft can be driven to rotate by being provided with a connecting shaft.

Preferably, the rotating shaft is connected to the surface of the connecting rod, the rotating shaft is connected to the surface of the second inserting rod, the second inserting rod is connected to the inside of the connecting shaft, and the connecting shaft is connected to the inner upper end of the rotating shaft, Through the rebound of the alloy leaf spring, the alloy leaf spring pushes the second insertion rod to move, the second insertion rod is inserted into the interior of the connecting shaft, the first insertion rod is inserted into the second insertion rod, and the push rod is pushed through the internal device of the insertion mechanism Moving downward, the push rod begins to compress the coil spring, and the push rod is connected at the upper end of the connecting rod. At the same time, when the rotating shaft moves upward, the insert rod is inserted into the push rod and the connecting rod.

Preferably, the rotating shaft is connected to the top end surface of the rotor of the drive motor, the drive motor is connected to the bottom end surface of the connecting rod, the rolling device is connected to the inner lower end surface of the connecting shell, and the connecting shaft is connected to the valve Inside, the connecting shaft is connected to the bottom surface of the turntable. By starting the variable frequency motor, the rotor of the variable frequency motor drives the rotating shaft to rotate, the rotating shaft drives the second plunger to rotate, and the second plunger drives the connecting shaft to rotate. The shaft rotates with the valve, and the solution flows out of the pipe.

Compared with the prior art, the beneficial effects of the present utility model are:

1. The industrial hydraulic self-closing butterfly valve is connected by the rotating shaft and the connecting shaft. The alloy leaf spring pushes the second plunger to move, and the second plunger connects the rotating shaft and the connecting shaft, which is convenient for changing the rotating shaft and connection. The shaft replacement method is more convenient and simple, reducing the waste of money and reducing the working time of the operator.

2. The industrial hydraulic self-closing butterfly valve moves downward through the connecting shaft, and pushes the push rod to move downward inside the connecting rod. The connecting shaft and the push rod are connected with the first insertion rod, and the connecting shaft is fixed, increasing the The connection between the connecting shaft and the rotating shaft is more stable.

Description of drawings

Fig. 1 is the front view of the structure of the utility model;

Fig. 2 is the front view sectional schematic diagram of the structure of the utility model;

FIG. 3 is a schematic cut-out view of the structural plug-in mechanism of the present invention;

FIG. 4 is a schematic cut-out view of the structural fixing mechanism of the present invention;

FIG. 5 is an enlarged schematic diagram of a part of the structure at A in FIG. 4 of the present invention.

In the figure: 1. Turntable; 2. Shell; 3. Valve; 4. Frequency conversion motor; 5. Plug-in mechanism; 501. Rotating shaft; 502. Connecting shaft; 503. Rolling device; 701, connecting rod; 702, alloy leaf spring; 703, push rod; 704, coil spring; 705, sliding sleeve;

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

1-5, the present utility model provides a technical solution: an industrial hydraulic self-closing butterfly valve, comprising a turntable 1 and a casing 2, a valve 3 is rotatably connected inside the casing 2, and a plug is connected to the lower end of the casing 2 Mechanism 5, a fixing mechanism 7 is fixedly connected inside the plug-in mechanism 5, a variable frequency motor 4 is fixedly connected to the top surface of the casing 2, a connecting shell 6 is fixedly connected to the surface of the casing 2, and the turntable 1 is provided with the top surface of the casing 2. The outer casing 2 can protect the internal device, and the safety of the outer casing 2 is protected by being provided with a connecting shell 6, and at the same time, the installation is convenient. For fixing, the valve 3 can be provided to flow water, the turntable 1 can be provided with the internal device of the plug-in mechanism 5 to rotate, and the frequency conversion motor 4 can be provided to rotate the internal device of the plug-in mechanism 5.

The fixing mechanism 7 includes a connecting rod 701 and a push rod 703. A coil spring 704 is fixedly connected to the bottom surface of the push rod 703, an alloy leaf spring 702 is slidably connected to the upper end of the connecting rod 701, and a fixing rod 708 is fixedly connected to the upper end of the connecting rod 701. A sliding sleeve 705 is slidably connected to the right end of the surface of the fixed rod 708, a second insertion rod 707 is slidably connected to the left surface of the alloy leaf spring 702, and the left end of the second insertion rod 707 is inserted with a first insertion rod 706, and the number of push rods 703 There are two, two push rods 703 are inserted into the upper end of the first push rod 706, and the two push rods 703 are fixedly connected to the bottom end surface of the coil spring 704. By pushing the push rods 703, they move downwards inside the connecting rod 701. , the connecting shaft 502 and the push rod 703 are connected with the first insertion rod 706, the connecting shaft 502 is fixed, the connection between the connecting shaft 502 and the rotating shaft 501 is increased, the connection is more stable, and the push rod 703 is slidably connected to the connecting rod 701 Inside, the number of second insertion rods 707 is four, two second insertion rods 707 are a group, two sets of second insertion rods 707 are slidably connected to the upper end of the connecting rod 701, and the two second insertion rods 707 are fixedly connected On the left and right surfaces of the alloy leaf spring 702, two second insertion rods 707 are inserted under the fixed rod 708, and are connected with the surface of the rolling device 503 through the surface of the rotating shaft 501 to reduce friction. A plunger 706 is connected to the surface of the connecting shaft 502, the first plunger 706 can be fixed by the push rod 703, the internal device can be protected by the connecting rod 701, and the first plunger 706 can be pushed by the alloy leaf spring 702. The second insertion rod 707 moves, the insertion mechanism 5 can be fixed by being provided with the second insertion rod 707, the sliding sleeve 705 can be provided on the surface of the fixing rod 708, and the second insertion rod 708 can be set to allow the second insertion rod 708 to move. The insertion rod 707 moves, and the push rod 703 can be pushed to move by being provided with a coil spring 704 .

The plug-in mechanism 5 includes a rotating shaft 501 and a connecting shaft 502, the surface of the rotating shaft 501 is fixedly connected with a rolling device 503, the rotating shaft 501 is slidably connected to the surface of the connecting shaft 502, and the rotating shaft 501 is fixedly connected to the top surface of the rotor of the driving motor , the drive motor is connected to the bottom end surface of the connecting rod 701, the rolling device 503 is fixedly connected to the inner lower end surface of the connecting shell 6, the connecting shaft 502 is rotatably connected to the interior of the valve 3, and the connecting shaft 502 is fixedly connected to the bottom end surface of the turntable 1, By starting the variable frequency motor 4, the rotor of the variable frequency motor 4 drives the rotating shaft 501 to rotate, the rotating shaft 501 drives the second plunger 707 to rotate, the second plunger 707 drives the connecting shaft 502 to rotate, and the connecting shaft 502 rotates with the valve 3 , the solution flows out from the pipeline, the rotating shaft 501 is fixedly connected to the surface of the connecting rod 701, the rotating shaft 501 is inserted into the surface of the second inserting rod 707, the second inserting rod 707 is inserted inside the connecting shaft 502, and the connecting shaft 502 slides It is connected to the inner upper end of the rotating shaft 501, and is rebounded by the alloy leaf spring 702. The alloy leaf spring 702 pushes the second insertion rod 707 to move. The second insertion rod 707 is inserted into the interior of the connecting shaft 502, and the first insertion rod 706 is inserted into The second insertion rod 707 pushes the push rod 703 to move downward through the internal device of the insertion mechanism 5, the push rod 703 starts to compress the coil spring 704, the push rod 703 is connected at the upper end of the connecting rod 701, and at the same time, the rotating shaft 501 moves upward When the insertion rod is inserted into the inside of the push rod 703 and the connecting rod 701, the valve 3 can be driven to rotate by being provided with the rotating shaft 501, the frictional force can be reduced by being provided with the rolling device 503, and the connecting shaft 502 can be driven by being provided with The rotating shaft 501 rotates.

When in use, connect the connecting shell 6 of the industrial hydraulic self-closing butterfly valve, connect the connecting shell 6 and the shell 2 with the pipeline, hold the bottom end of the driving motor, and push the driving motor upward to move, the rotor of the driving motor is on the The rotating shaft 501 is connected to the shaft 502 for connection, at the same time, the surface of the rotating shaft 501 is connected with the surface of the rolling device 503 to reduce friction, the first insertion rod 706 is connected with the surface of the connecting shaft 502, and the connecting shaft 502 pushes the push rod 703 moves downward, the push rod 703 starts to compress the coil spring 704, the push rod 703 is connected at the upper end of the connecting rod 701, and at the same time, when the rotating shaft 501 moves upward, the insert rod is inserted into the push rod 703 and the connecting rod 701. , the top surface of the rotating shaft 501 is connected with the interior of the connecting shaft 502, the alloy leaf spring 702 rebounds, the alloy leaf spring 702 pushes the second insertion rod 707 to move, and the second insertion rod 707 is inserted into the interior of the connecting shaft 502, the first The insertion rod 706 is inserted into the second insertion rod 707. At this time, the frequency conversion motor 4 is started, the rotor of the frequency conversion motor 4 drives the rotating shaft 501 to rotate, the rotating shaft 501 drives the second insertion rod 707 to rotate, and the second insertion rod 707 drives The connecting shaft 502 rotates, the connecting shaft 502 rotates with the valve 3, and the solution flows out of the pipeline.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (7)

1. The utility model provides an industrial water conservancy self-closing butterfly valve, includes carousel (1), shell (2), its characterized in that: the utility model discloses a rotary table, including shell (2), lower extreme, grafting mechanism (5) internal connection has fixed establishment (7), the top surface of shell (2) is connected with inverter motor (4), the surface of shell (2) is connected with connecting shell (6), carousel (1) sets up the top surface of shell (2).

2. The industrial hydraulic self-closing butterfly valve according to claim 1, wherein: the fixing mechanism (7) comprises a connecting rod (701) and a push rod (703), wherein a spiral spring (704) is connected to the bottom end surface of the push rod (703), an alloy plate spring (702) is connected to the upper end of the connecting rod (701), a fixing rod (708) is connected to the upper end of the connecting rod (701), a sliding sleeve (705) is connected to the right end of the surface of the fixing rod (708), a second inserting rod (707) is connected to the left side surface of the alloy plate spring (702), a first inserting rod (706) is connected to the left end of the second inserting rod (707), and the push rod (703) is connected to the inside of the connecting rod (701).

3. The industrial hydraulic self-closing butterfly valve according to claim 2, wherein: the number of the second insertion rods (707) is four, two second insertion rods (707) form one group, two groups of the second insertion rods (707) are connected to the upper end of the connecting rod (701), two second insertion rods (707) are connected to the left side surface and the right side surface of the alloy plate spring (702), and two second insertion rods (707) are connected to the lower portion of the fixing rod (708).

4. The industrial hydraulic self-closing butterfly valve according to claim 2, wherein: the number of the push rods (703) is two, the two push rods (703) are connected to the upper end of the first inserted rod (706), and the two push rods (703) are connected to the bottom end surface of the spiral spring (704).

5. The industrial hydraulic self-closing butterfly valve according to claim 1, wherein: the inserting mechanism (5) comprises a rotating shaft (501) and a connecting shaft (502), a rolling device (503) is connected to the surface of the rotating shaft (501), and the rotating shaft (501) is connected to the surface of the connecting shaft (502).

6. The industrial hydraulic self-closing butterfly valve according to claim 5, wherein: the rotating shaft (501) is connected to the surface of the connecting rod (701), the rotating shaft (501) is connected to the surface of a second inserted rod (707), the second inserted rod (707) is connected to the inside of the connecting shaft (502), and the connecting shaft (502) is connected to the upper end of the inside of the rotating shaft (501).

7. The industrial hydraulic self-closing butterfly valve according to claim 5, wherein: the rotating shaft (501) is connected to the top end surface of a rotor of the driving motor, the driving motor is connected to the bottom end surface of the connecting rod (701), the rolling device (503) is connected to the lower end surface inside the connecting shell (6), the connecting shaft (502) is connected to the inside of the valve (3), and the connecting shaft (502) is connected to the bottom end surface of the turntable (1).

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