Closed push-pull type isolating valve

Abstract

The utility model relates to the technical field of isolating valves, particularly discloses a closed push-pull type isolating valve, and aims to solve the problems that an existing closed push-pull type isolating valve is generally not suitable for a high-oil-stain and high-fluff-amount environment of a setting machine discharge flue and cannot drive a plurality of bolts to rotate at the same time, the closed push-pull type isolating valve comprises an inlet flange and an outlet flange; the handle sealing chamber is fixedly arranged on the inlet flange and the outlet flange, a supporting block is connected to the outlet flange in a sliding mode, a motor is fixedly connected to the supporting block, a plurality of fixing nuts are fixedly connected to the outlet flange, and a reinforcing strip is fixedly connected to the inlet flange; the valve plate is inserted into the handle closed chamber, so that connection between the outlet flange and the inlet flange can be rapidly cut off, the fixing nut is in threaded connection with the puller bolt to drive the puller bolt to move, the puller bolt drives the pressing ring to move, and therefore the pressing ring can abut against the valve plate to the sealing ring, the sealing effect of the inlet flange is enhanced, and the service life of the valve plate is prolonged. And the valve plate is prevented from deforming.

Description

Technical Field

[0001] The utility model relates to the technical field of isolating valves, in particular to a sealed push-pull isolating valve. Background Technique

[0002] At present, there are many devices for flue isolation on the market. Various manual and automatic actuators are complex and not suitable for the environment with high oil pollution and high lint content in the exhaust flue of a stenter.

[0003] Existing sealed push-pull isolating valves are usually not suitable for the environment with high oil pollution and high lint content in the exhaust flue of a stenter, and cannot drive multiple bolts to rotate simultaneously. Therefore, we propose a sealed push-pull isolating valve. Summary of the Utility Model

[0004] In order to improve the problem that existing ones are usually not suitable for the environment with high oil pollution and high lint content in the exhaust flue of a stenter and cannot drive multiple bolts to rotate simultaneously, this application provides a sealed push-pull isolating valve.

[0005] The sealed push-pull isolating valve provided by this application adopts the following technical solutions:

[0006] A sealed push-pull isolating valve, comprising:

[0007] An inlet flange and an outlet flange;

[0008] A handle sealed chamber, fixedly arranged on the inlet flange and the outlet flange. A support block is slidably connected to the outlet flange, a motor is fixedly connected to the support block, a plurality of fixed nuts are fixedly connected to the outlet flange, and a reinforcing bar is fixedly connected to the inlet flange;

[0009] A sealing mechanism, arranged on the reinforcing bar and the handle sealed chamber, for isolating the inlet flange and the outlet flange;

[0010] A pressing mechanism, arranged on the fixed nuts and the support block, for enhancing the sealing effect between the inlet flange and the outlet flange.

[0011] Preferably, the sealing mechanism includes a valve plate and a sealing ring. The valve plate is slidably connected to the handle sealed chamber, the sealing ring is fixedly connected to the reinforcing bar, and the valve plate and the sealing ring cooperate with each other.

[0012] Preferably, the pressing mechanism includes a plurality of transmission rods and a plurality of tightening bolts. The transmission rods are rotatably connected to the support block, the tightening bolts are threadedly connected to the fixed nuts, and the transmission rods are fixedly connected to the tightening bolts.

[0013] Preferably, a pulley is fixedly connected to each of the plurality of transmission rods, and the same belt is drivingly connected to each of the plurality of pulleys.

[0014] Preferably, one of the plurality of transmission rods is fixedly connected to the output shaft of the motor. A pressing ring is fixedly connected to the tightening bolt, and a sealing cover plate is rotatably connected to the handle closed chamber.

[0015] In summary, the present application includes at least one of the following beneficial technical effects:

[0016] 1. By providing a sealing ring and a valve plate, when the device needs to be partitioned, the valve plate is inserted into the handle closed chamber, so that the connection between the outlet flange and the inlet flange can be quickly cut off;

[0017] 2. By providing a plurality of transmission rods, a plurality of tightening bolts, and a pressing ring, the transmission rod drives the tightening bolt to rotate. The fixed nut drives the tightening bolt to move through the threaded connection with the tightening bolt, and the tightening bolt drives the pressing ring to move, so that the pressing ring can press the valve plate tightly against the sealing ring, enhancing the sealing effect of the inlet flange and preventing the valve plate from deforming. Description of the Drawings

[0018] Figure 1 It is a schematic structural diagram of the partition state of a closed push-pull type isolation valve proposed by the present utility model;

[0019] Figure 2 It is a schematic structural diagram of the open state of a closed push-pull type isolation valve proposed by the present utility model;

[0020] Figure 3 It is a schematic side view structural diagram of the inlet flange of a closed push-pull type isolation valve proposed by the present utility model;

[0021] Figure 4 It is a schematic side view structural diagram of the outlet flange of a closed push-pull type isolation valve proposed by the present utility model.

[0022] Reference numerals: 1, inlet flange; 2, outlet flange; 3, valve plate; 4, sealing cover plate; 5, sealing ring; 6, reinforcing strip; 7, tightening bolt; 8, fixed nut; 9, handle closed chamber; 10, support block; 11, motor; 12, transmission rod; 13, pulley; 14, belt; 15, pressing ring. Detailed Description of the Embodiments

[0023] The following further elaborates on the present application in detail with reference to the Figures 1-4 drawings. Embodiment 1

[0024] Refer to Figures 1-4 , a closed push-pull type isolation valve, comprising:

[0025] an inlet flange 1 and an outlet flange 2;

[0026] The handle sealed chamber 9 is fixedly arranged on the inlet flange 1 and the outlet flange 2. A support block 10 is slidably connected to the outlet flange 2. A motor 11 is fixedly connected to the support block 10. A plurality of fixing nuts 8 are fixedly connected to the outlet flange 2. A reinforcing strip 6 is fixedly connected to the inlet flange 1;

[0027] A sealing mechanism is arranged on the reinforcing strip 6 and the handle sealed chamber 9 for separating the inlet flange 1 and the outlet flange 2;

[0028] A pressing mechanism is arranged on the fixing nuts 8 and the support block 10 for enhancing the sealing effect between the inlet flange 1 and the outlet flange 2.

[0029] In this embodiment, the sealing mechanism includes a valve plate 3 and a sealing ring 5. The valve plate 3 is slidably connected to the handle sealed chamber 9. The sealing ring 5 is fixedly connected to the reinforcing strip 6, and the valve plate 3 and the sealing ring 5 cooperate with each other.

[0030] In this embodiment, the pressing mechanism includes a plurality of transmission rods 12 and a plurality of tightening bolts 7. The transmission rods 12 are rotatably connected to the support block 10. The tightening bolts 7 are threadedly connected to the fixing nuts 8, and the transmission rods 12 are fixedly connected to the tightening bolts 7.

[0031] In this embodiment, a pulley 13 is fixedly connected to each of the plurality of transmission rods 12, and the same belt 14 is drivingly connected to each of the plurality of pulleys 13.

[0032] In this embodiment, one of the plurality of transmission rods 12 is fixedly connected to the output shaft of the motor 11. A pressing ring 15 is fixedly connected to the tightening bolt 7. A sealed cover plate 4 is rotatably connected to the handle sealed chamber 9.

[0033] The implementation principle of a sealed push-pull type isolating valve in an embodiment of this application is as follows: When the device needs to be isolated, the valve plate 3 is inserted into the handle sealed chamber 9, the switch of the motor 11 is started, the output shaft of the motor 11 drives the transmission rod 12 to rotate, the transmission rod 12 drives the pulley 13 to rotate, the other transmission rods 12 are driven to rotate through the driving connection between the plurality of pulleys 13 and the belt 14, the transmission rod 12 drives the tightening bolt 7 to rotate, the fixing nut 8 drives the tightening bolt 7 to move through the threaded connection with the tightening bolt 7, and the tightening bolt 7 drives the pressing ring 15 to move, so that the pressing ring 15 can tightly press the valve plate 3 against the sealing ring 5, enhancing the sealing effect of the inlet flange 1. On the contrary, the pressing ring 15 is moved away from the valve plate 3, the outlet flange 2 and the inlet flange 1 and the sealing ring 5 are in a relaxed state, the sealed cover plate 4 is opened, and the valve plate 3 is pulled out to open the device. Embodiment Two

[0034] The difference between Embodiment Two and Embodiment One is that an adjusting mechanism is arranged on the inlet flange 1. By adjusting the caliber of the inlet flange 1, the exhaust port can be quickly connected to the inlet flange 1, improving the applicability of the device.

[0035] The above are all preferred embodiments of the present application, and do not limit the protection scope of the present application accordingly. Therefore, all equivalent changes made according to the structure, shape, and principle of the present application shall be covered within the protection scope of the present application.

Claims

1. A closed push-pull isolation valve, characterized in that: include: Inlet flange (1) and outlet flange (2); A handle sealed chamber (9) is fixedly arranged on the inlet flange (1) and the outlet flange (2); a support block (10) is slidably connected to the outlet flange (2); a motor (11) is fixedly connected to the support block (10); a plurality of fixing nuts (8) are fixedly connected to the outlet flange (2); and a reinforcing strip (6) is fixedly connected to the inlet flange (1); A sealing mechanism, arranged on the reinforcing strip (6) and the handle sealed chamber (9), for isolating the inlet flange (1) and the outlet flange (2); The pressing mechanism is arranged on the fixing nut (8) and the supporting block (10) and is used to enhance the sealing effect of the inlet flange (1) and the outlet flange (2).

2. A closed push-pull isolation valve according to claim 1, characterized in that: The sealing mechanism comprises a valve plate (3) and a sealing ring (5); the valve plate (3) is slidably connected to the handle closed chamber (9); the sealing ring (5) is fixedly connected to the reinforcing strip (6); and the valve plate (3) and the sealing ring (5) cooperate with each other.

3. A closed push-pull isolation valve according to claim 2, characterized in that: The pressing mechanism comprises a plurality of transmission rods (12) and a plurality of tightening bolts (7); the transmission rods (12) are rotatably connected to the support block (10); the tightening bolts (7) are threadedly connected to the fixing nuts (8); and the transmission rods (12) are fixedly connected to the tightening bolts (7).

4. A closed push-pull isolation valve according to claim 3, characterized in that: The plurality of transmission rods (12) are all fixedly connected to a belt pulley (13), and the plurality of belt pulleys (13) are all drivingly connected to the same belt (14).

5. A closed push-pull isolation valve according to claim 4, characterized in that: One of the plurality of transmission rods (12) is fixedly connected to the output shaft of the motor (11), a pressure ring (15) is fixedly connected to the tightening bolt (7), and a sealed cover plate (4) is rotatably connected to the handle sealed chamber (9).

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