Safety control device for valve group control

Abstract

The utility model relates to the technical field of valve group control devices, in particular to a safety control device for valve group control. According to the technical scheme, the device comprises a shell, a rotating disc and a shaft sleeve, a ball valve is fixed in the shell, a liquid inlet pipe is installed on the upper end face of the shell in a penetrating mode, the lower end of the liquid inlet pipe is connected with the upper side of the interior of the ball valve in a penetrating mode, and a first liquid outlet pipe and a second liquid outlet pipe are installed on the two sides of the shell in a penetrating mode respectively; the first liquid outlet pipe and the second liquid outlet pipe are each provided with a stop valve, valve discs are arranged on the two sides of the front end face of the shell, rotating shafts of the valve discs are connected with the corresponding stop valves respectively, the shaft sleeve is rotationally installed in the middle of the front end face of the shell, a base plate is fixed in an opening in the front end of the shaft sleeve, and a telescopic rod is fixed to the middle of the front end of the base plate. The turntable is located at the front end of the shaft sleeve, and a sliding sleeve is fixed to the middle of the rear side of the turntable. The anti-mistaken-touch ball valve control mechanism has the advantages of being high in operability, capable of achieving multi-point control and capable of guaranteeing safety.

Description

Technical Field

[0001] The utility model relates to the technical field of valve group control devices, in particular to a valve group control safety control device. Background Art

[0002] The valve group is mainly divided into two-valve group, three-valve group and five-valve group. The two-valve group is two single valves combined together, the three-valve group is three single valves combined together, and the five-valve group is five single valves combined together.

[0003] When controlling a three-way pipeline, a valve group is required for safety control. The valve group is divided into a stop valve and a control valve. The existing control valve has poor safety. Most built-in three-way valves use ball valves for pipeline channel control. The ball valve control valve disc is easily touched by mistake, causing the ball valve to shift, affecting the normal liquid transportation inside, and the operability is poor. In addition, the existing device has a single-point control mechanism and low safety. Utility Model Content

[0004] The purpose of the utility model is to provide a valve group control safety control device, which has a ball valve control mechanism that prevents accidental touch, has the advantages of strong operability and multi-point control, ensures safety, and solves the problems in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a valve group controlled safety control device, comprising a shell, a turntable and a sleeve, a ball valve is fixed inside the shell, a liquid inlet pipe is installed through the upper end surface of the shell, and the lower end of the liquid inlet pipe is connected to the upper side of the ball valve, a first liquid outlet pipe and a second liquid outlet pipe are installed through the two sides of the shell respectively, and a stop valve is provided on the first liquid outlet pipe and the second liquid outlet pipe, valve discs are provided on both sides of the front end surface of the shell, and the valve disc rotating shafts are respectively connected to the corresponding stop valves, the sleeve is rotatably installed in the middle of the front end surface of the shell, a chassis is fixed in the front end opening of the sleeve, and a telescopic rod is fixed in the middle of the front end of the chassis, the turntable is located at the front end of the sleeve, a sliding sleeve is fixed in the middle of the rear side of the turntable, and the outer end of the sliding sleeve is slidably installed in the sleeve.

[0006] When the valve group in the present technical solution is used to control the safety control device, liquid is introduced into the interior of the ball valve through the liquid inlet pipe, and the staff starts the three-way valve ball inside the ball valve by pressing the turntable and rotating it, and presses the turntable to make the sleeve slide toward the inside of the sleeve, and the positioning hole on the sleeve docks with the positioning rod on the chassis, and the sleeve is squeezed to shrink the telescopic rod and the spring. After the docking is completed, the turntable is turned to drive the sleeve to rotate, and the sleeve drives the three-way valve ball inside the ball valve to rotate, and the valve ball adjusts its position so that the upper passage corresponds to the liquid inlet pipe and completes the passage connection with the corresponding first liquid outlet pipe or the second liquid outlet pipe. At this time, the liquid entering the liquid inlet pipe is introduced into the corresponding liquid outlet pipe, and the corresponding stop valve is started by the valve disc to complete the passage opening of the first liquid outlet pipe or the second liquid outlet pipe, thereby completing the liquid transportation.

[0007] Preferably, the inner ends of the first liquid outlet pipe and the second liquid outlet pipe respectively penetrate and connect the two sides of the ball valve, so that the liquid in the ball valve is led outward through the first liquid outlet pipe and the second liquid outlet pipe.

[0008] Preferably, a three-way valve ball is rotatably mounted inside the ball valve, and the liquid guide ports of the three-way valve ball correspond to the liquid inlet pipe, the first liquid outlet pipe and the second liquid outlet pipe respectively. By rotating the three-way valve ball, the liquid inlet pipe passage is connected to the first liquid outlet pipe and the second liquid outlet pipe.

[0009] Preferably, the rear end of the shaft sleeve is fixed on the three-way valve ball inside the ball valve. The three-way valve ball inside the ball valve is driven to rotate by rotating the shaft sleeve.

[0010] Preferably, the outer end of the telescopic rod is rotatably mounted in the sliding sleeve, and a spring is sleeved between the telescopic rod and the sliding sleeve. The sliding sleeve is reset by the spring through the telescopic rod limiting the sliding sleeve.

[0011] Preferably, the front outer side of the chassis is provided with positioning rods in an annular array, the outer end of the sleeve is provided with positioning holes in an annular array, and the positioning rods are matched with the positioning holes. The positioning rods are connected with the positioning holes, so that the shaft sleeve can be driven to rotate when the turntable rotates.

[0012] Preferably, the size of the sliding sleeve is adapted to the size of the shaft sleeve, and the size of the opening end of the sliding sleeve is adapted to the telescopic rod. The sizes are adapted so that the shaft sleeve slides in the opening of the sliding sleeve, and the opening of the shaft sleeve can accommodate the telescopic rod.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: when in use, liquid is introduced into the ball valve through the liquid inlet pipe, and the staff starts the three-way valve ball inside the ball valve by pressing the turntable and rotating it, and presses the turntable to make the sliding sleeve slide into the inside of the shaft sleeve, and the positioning hole on the sliding sleeve docks with the positioning rod on the chassis, and the sliding sleeve squeezes to shrink the telescopic rod and the spring. After the docking is completed, the turntable is rotated to drive the shaft sleeve to rotate, and the shaft sleeve drives the three-way valve ball inside the ball valve to rotate, and the valve ball adjusts the position so that the upper passage corresponds to the liquid inlet pipe and the corresponding first liquid outlet pipe or the second liquid outlet pipe to complete the passage connection. At this time, the liquid entering the liquid inlet pipe is introduced into the corresponding liquid outlet pipe, and the corresponding stop valve is started by the valve disc to complete the passage opening of the first liquid outlet pipe or the second liquid outlet pipe, thereby completing the liquid delivery. The device controls the ball valve through an operable adjustable turntable to avoid accidental touch, enhance operability, and control each pipeline of the device through multiple points to ensure the safety of infusion. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the ball valve of the utility model;

[0016] Figure 3 This is a schematic diagram of the shaft sleeve structure of the utility model;

[0017] Figure 4 This is a schematic diagram of the turntable structure of the utility model.

[0018] In the figure: 1, liquid inlet pipe; 2, shell; 3, first liquid outlet pipe; 4, valve disc; 5, turntable; 6, second liquid outlet pipe; 7, ball valve; 8, stop valve; 9, bushing; 10, chassis; 11, telescopic rod; 12, spring; 13, positioning rod; 14, sliding sleeve; 15, positioning hole. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] Embodiment 1

[0021] See also Figures 1 to 4 The utility model provides an embodiment: a valve group controlled safety control device, including a shell 2, a rotating disk 5 and a sleeve 9, a ball valve 7 is fixed inside the shell 2, a liquid inlet pipe 1 is installed through the upper end surface of the shell 2, and the lower end of the liquid inlet pipe 1 is connected to the upper side of the ball valve 7, a first liquid outlet pipe 3 and a second liquid outlet pipe 6 are installed through the two sides of the shell 2, the first liquid outlet pipe 3 and the second liquid outlet pipe 6 are both provided with a stop valve 8, valve discs 4 are provided on both sides of the front end surface of the shell 2, and the rotating shafts of the valve disc 4 are respectively connected to the corresponding stop valves 8.

[0022] Furthermore,

[0023] The inner ends of the first liquid outlet pipe 3 and the second liquid outlet pipe 6 respectively penetrate and connect the two sides of the ball valve 7 , and the liquid in the ball valve 7 is discharged outward through the first liquid outlet pipe 3 and the second liquid outlet pipe 6 .

[0024] Furthermore,

[0025] A three-way valve ball is rotatably installed inside the ball valve 7, and the liquid guide ports of the three-way valve ball correspond to the liquid inlet pipe 1, the first liquid outlet pipe 3 and the second liquid outlet pipe 6 respectively. By rotating the three-way valve ball, the liquid inlet pipe 1 is connected to the first liquid outlet pipe 3 and the second liquid outlet pipe 6.

[0026] Furthermore,

[0027] The rear end of the shaft sleeve 9 is fixed on the three-way valve ball inside the ball valve 7, and the three-way valve ball inside the ball valve 7 is driven to rotate by rotating the shaft sleeve 9.

[0028] Embodiment 2

[0029] See also Figures 1 to 4 The utility model provides an embodiment: a valve group control safety control device, including a shell 2, a turntable 5 and a sleeve 9, the sleeve 9 is rotatably installed in the middle of the front end surface of the shell 2, a chassis 10 is fixed in the front end opening of the sleeve 9, and a telescopic rod 11 is fixed in the middle of the front end of the chassis 10, the turntable 5 is located at the front end of the sleeve 9, a sliding sleeve 14 is fixed in the middle of the rear side of the turntable 5, and the outer end of the sliding sleeve 14 is slidably installed in the sleeve 9.

[0030] Furthermore,

[0031] The outer end of the telescopic rod 11 is rotatably mounted in the sliding sleeve 14 , and a spring 12 is sleeved between the telescopic rod 11 and the sliding sleeve 14 . The sliding sleeve 14 is limited by the telescopic rod 11 , and the spring 12 resets the sliding sleeve 14 .

[0032] Furthermore,

[0033] The front outer side of the chassis 10 is provided with positioning rods 13 in a circular array, the outer end circular array of the sliding sleeve 14 is provided with positioning holes 15, and the positioning rods 13 are adapted to the positioning holes 15. The positioning rods 13 are connected with the positioning holes 15, so that the shaft sleeve 9 can be driven to rotate when the turntable 5 rotates.

[0034] Furthermore,

[0035] The sliding sleeve 14 is matched with the shaft sleeve 9 in size, and the opening end of the sliding sleeve 14 is matched with the telescopic rod 11 in size, so that the shaft sleeve 9 slides in the opening of the sliding sleeve 14, and the opening of the shaft sleeve 9 can accommodate the telescopic rod 11.

[0036] During operation of the utility model, when in use, liquid is introduced into the interior of the ball valve 7 through the liquid inlet pipe 1, and the staff starts the three-way valve ball inside the ball valve 7 by pressing the turntable 5 and rotating it, and presses the turntable 5 to make the sliding sleeve 14 slide toward the interior of the shaft sleeve 9, and the positioning hole 15 on the sliding sleeve 14 docks with the positioning rod 13 on the chassis 10, and the sliding sleeve 14 squeezes to shrink the telescopic rod 11 and the spring 12, and after the docking is completed, the turntable 5 is rotated to drive the shaft sleeve 9 to rotate, and the shaft sleeve 9 drives the three-way valve ball inside the ball valve 7 to rotate, and the valve ball adjusts its position so that the upper passage corresponds to the liquid inlet pipe 1 and completes the passage connection with the corresponding first liquid outlet pipe 3 or the second liquid outlet pipe 6, at this time, the liquid entering the liquid inlet pipe 1 is introduced into the corresponding liquid outlet pipe, and the corresponding stop valve 8 is started through the valve disc 4 to complete the passage opening of the first liquid outlet pipe 3 or the second liquid outlet pipe 6, thereby completing the liquid transportation.

[0037] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A valve group control safety control device, comprising a housing (2), a rotating disk (5) and a sleeve (9), characterized in that: A ball valve (7) is fixed inside the shell (2); a liquid inlet pipe (1) is installed through the upper end surface of the shell (2), and the lower end of the liquid inlet pipe (1) is connected to the upper side of the ball valve (7); a first liquid outlet pipe (3) and a second liquid outlet pipe (6) are installed through the two sides of the shell (2), respectively; a stop valve (8) is provided on the first liquid outlet pipe (3) and the second liquid outlet pipe (6); a valve disc (4) is provided on both sides of the front end surface of the shell (2), and the rotating shafts of the valve disc (4) are respectively connected to the corresponding stop valves (8); the shaft sleeve (9) is rotatably installed in the middle of the front end surface of the shell (2); a chassis (10) is fixed in the front end opening of the shaft sleeve (9), and a telescopic rod (11) is fixed in the middle of the front end of the chassis (10); the rotating disk (5) is located at the front end of the shaft sleeve (9); a sliding sleeve (14) is fixed in the middle of the rear side of the rotating disk (5), and the outer end of the sliding sleeve (14) is slidably installed in the shaft sleeve (9).

2. The valve group control safety control device according to claim 1, characterized in that: The inner ends of the first liquid outlet pipe (3) and the second liquid outlet pipe (6) respectively penetrate the inner sides of the connecting ball valve (7).

3. The valve group control safety control device according to claim 1, characterized in that: A three-way valve ball is rotatably mounted inside the ball valve (7), and the liquid guide ports of the three-way valve ball correspond to the liquid inlet pipe (1), the first liquid outlet pipe (3) and the second liquid outlet pipe (6) respectively.

4. The valve group control safety control device according to claim 3 is characterized in that: The rear end of the shaft sleeve (9) is fixed on the three-way valve ball inside the ball valve (7).

5. The valve group control safety control device according to claim 1, characterized in that: The outer end of the telescopic rod (11) is rotatably mounted in a sliding sleeve (14), and a spring (12) is sleeved between the telescopic rod (11) and the sliding sleeve (14).

6. The valve group control safety control device according to claim 1, characterized in that: Positioning rods (13) are distributed in a circular array on the outer side of the front end of the chassis (10), and positioning holes (15) are opened in a circular array on the outer end of the sliding sleeve (14), and the positioning rods (13) are matched with the positioning holes (15).

7. The valve group control safety control device according to claim 1, characterized in that: The size of the sliding sleeve (14) is matched with that of the shaft sleeve (9), and the size of the opening end of the sliding sleeve (14) is matched with that of the telescopic rod (11).

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