Adjustable fluorine lining valve

Abstract

The utility model discloses an adjustable fluorine-lined valve, which belongs to the technical field of fluorine-lined valves and comprises a valve seat, a valve rod arranged in the valve seat, a valve core arranged on the surface of the valve rod, an anti-collision component arranged on the inner surface of the valve seat and corresponding to the valve core, cover plates arranged on two sides of the valve seat, and a mounting seat arranged between the valve rod and the cover plates. According to the split-flow valve, the split-flow assembly is arranged, the split-flow rings are installed in the first inflow pipe and the second inflow pipe, and the split-flow plates and the split-flow holes in the split-flow rings are used for blocking, split-flow and buffering fluid, so that impact force of the fluid to the interior of the valve seat is reduced, and damage to the valve seat is reduced; the anti-collision assembly is arranged, the installation groove is formed in the valve seat, the anti-collision soft cushion is installed in the installation groove, the anti-collision soft cushion makes contact with the valve element, the anti-collision buffering effect can be achieved when the valve element moves, collision damage between the valve element and the valve seat is effectively avoided, and the anti-collision protection effect is good.

Description

Technical Field

[0001] The utility model belongs to the technical field of fluorine-lined valves, and in particular relates to an adjustable fluorine-lined valve. Background Art

[0002] Fluorine-lined valves, also known as fluoroplastic-lined corrosion-resistant valves, are made by placing polytetrafluoroethylene resin on the inner wall of steel or iron valve pressure-bearing parts or the outer surface of valve internals by molding, and using its unique performance in resisting highly corrosive media to make various valves and pressure vessels.

[0003] Chinese patent application No. 202322262366.3 discloses an adjustable fluorine-lined valve, including a valve seat, a valve stem and a valve core. The valve seat is provided with a first inlet pipe, a second inlet pipe and an outlet pipe. The outlet pipe is located in the middle of the valve seat, and the first inlet pipe and the second outflow pipe are located on both sides of the outflow pipe, and both are inclined toward the direction of the outflow pipe. The valve seat has a horizontally arranged through hole, and the through hole includes a middle channel and two side channels. The two side channels are respectively connected to the first inlet pipe and the second inflow pipe, and the middle channel is respectively connected to the outflow pipe and the two side channels. The utility model arranges the first inflow pipe and the second inflow pipe, and the hand wheel and the valve stem can be used to drive the valve core to move, so that the first inflow pipe or the second inflow pipe can be controlled to be connected to the outflow pipe, so that the flow state of different fluids can be adjusted, and the operation is simple and convenient.

[0004] In the above-mentioned public patent, 1. when the flow in the first inflow pipe and the second inflow pipe flows in, the impact force is relatively large, which may easily damage the valve and requires buffering and diversion; 2. when the valve core moves, it collides with the valve seat and may easily cause damage. Utility Model Content

[0005] In order to solve the problems raised in the above background technology, the utility model provides an adjustable fluorine-lined valve, which has the characteristics of good flow diversion and buffering effect and is not easy to bump.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an adjustable fluorine-lined valve, comprising a valve seat, a valve stem is arranged inside the valve seat, a valve core is arranged on the surface of the valve stem, anti-collision components are arranged on the inner surface of the valve seat and at positions corresponding to the valve core, cover plates are arranged on both sides of the valve seat, a mounting seat is arranged between the valve stem and the cover plate, a first inlet pipe is arranged on one side of the lower end of the valve seat, a second inlet pipe is arranged on the other side of the lower end of the valve seat, diversion components are arranged inside the first inlet pipe and the second inlet pipe, and an outflow pipe is arranged in the middle of the upper end of the valve seat.

[0007] Preferably, the diverter assembly includes a fixed thread, a threaded sleeve, a diverter ring and an auxiliary rod, wherein the diverter ring is arranged inside the first inlet pipe and the second inlet pipe, the auxiliary rod is arranged on the surface of the diverter ring, the threaded sleeve is arranged on the side surface of the diverter ring, and the fixed thread is arranged on the inner surface of the first inlet pipe and the second inlet pipe at a position corresponding to the threaded sleeve.

[0008] Preferably, the diverter ring comprises a filter screen, a diverter hole and a diverter plate, wherein the diverter plate is arranged inside the diverter ring, the diverter hole is arranged inside the diverter plate, and the filter screen is arranged inside the diverter hole.

[0009] Preferably, the diverter assembly further comprises a buffer pad and a limiting ring, wherein limiting rings are arranged on the inner surfaces of the first inflow pipe and the second inflow pipe, and a buffer pad is arranged on one side of the limiting ring close to the diverter ring.

[0010] Preferably, the anti-collision component includes an anti-collision pad, a mounting plate and a mounting groove, wherein a mounting groove is arranged inside the valve seat at a position corresponding to the valve core, a mounting plate is arranged inside the mounting groove, and an anti-collision pad is arranged on the surface of the mounting plate.

[0011] Preferably, the anti-collision component further comprises a waterproof layer and a connecting layer, wherein the waterproof layer is arranged on the surface of the anti-collision cushion, and the connecting layer is arranged between the anti-collision cushion and the waterproof layer.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model is provided with a flow diversion assembly, so that a flow diversion ring is installed in the first inflow pipe and the second inflow pipe, and the internal flow diversion plate and the flow diversion hole block and divert the fluid, thereby reducing the impact force of the fluid on the inside of the valve seat and reducing the damage to the valve seat.

[0014] 2. The utility model is provided with an anti-collision component, so that an installation groove is provided inside the valve seat, and an anti-collision cushion is installed inside the groove, which is in contact with the valve core and can play an anti-collision buffering effect when the valve core moves, effectively avoiding collision damage between the valve core and the valve seat, and having a good anti-collision protection effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is the front view of the utility model;

[0016] Figure 2 It is a three-dimensional diagram of the utility model;

[0017] Figure 3 For this utility model Figure 1 A magnified image of point A;

[0018] Figure 4 For this utility model Figure 1 The enlarged view of point B;

[0019] In the figure: 1. valve stem; 2. first inflow pipe; 3. diverter assembly; 31. fixing thread; 32. threaded sleeve; 33. diverter ring; 331. filter screen; 332. diverter hole; 333. diverter plate; 34. auxiliary rod; 35. buffer pad; 36. limit ring; 4. second inflow pipe; 5. cover plate; 6. valve seat; 7. valve core; 8. outflow pipe; 9. anti-collision assembly; 91. anti-collision cushion; 92. waterproof layer; 93. connecting layer; 94. mounting plate; 95. mounting groove; 10. mounting seat. DETAILED DESCRIPTION

[0020] 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.

[0021] Example 1

[0022] See also Figure 1-4 The utility model provides the following technical solutions: an adjustable fluorine-lined valve, comprising a valve seat 6, a valve stem 1 is arranged inside the valve seat 6, a valve core 7 is arranged on the surface of the valve stem 1, an anti-collision component 9 is arranged at the position corresponding to the valve core 7 on the inner surface of the valve seat 6, a cover plate 5 is arranged on both sides of the valve seat 6, a mounting seat 10 is arranged between the valve stem 1 and the cover plate 5, a first inflow pipe 2 is arranged on one side of the lower end of the valve seat 6, a second inflow pipe 4 is arranged on the other side of the lower end of the valve seat 6, a diversion component 3 is arranged inside the first inflow pipe 2 and the second inflow pipe 4, and an outflow pipe 8 is arranged in the middle of the upper end of the valve seat 6.

[0023] Specifically, the flow dividing assembly 3 includes a fixed thread 31, a threaded sleeve 32, a flow dividing ring 33 and an auxiliary rod 34, wherein the flow dividing ring 33 is arranged inside the first inflow pipe 2 and the second inflow pipe 4, the auxiliary rod 34 is arranged on the surface of the flow dividing ring 33, the threaded sleeve 32 is arranged on the side surface of the flow dividing ring 33, and the fixed thread 31 is arranged at the position corresponding to the threaded sleeve 32 on the inner surface of the first inflow pipe 2 and the second inflow pipe 4.

[0024] By adopting the above technical solution, the auxiliary rod 34 is used to rotate the diverter ring 33 so that the threaded sleeve 32 on its surface engages with the fixed thread 31, thereby completing the fixation of the diverter ring 33, so that the diverter ring 33 can divert and unload the fluid.

[0025] Specifically, the diverter ring 33 includes a filter screen 331, a diverter hole 332 and a diverter plate 333, wherein the diverter plate 333 is disposed inside the diverter ring 33, the diverter hole 332 is disposed inside the diverter plate 333, and the filter screen 331 is disposed inside the diverter hole 332.

[0026] By adopting the above technical solution, when the fluid enters the inlet pipe, the diverter plate 333 blocks it, and the diverter hole 332 and the filter screen 331 inside it divert the fluid, thereby reducing the impact force of the fluid on the inside of the valve seat 6.

[0027] Specifically, the flow dividing assembly 3 further includes a buffer pad 35 and a limiting ring 36, wherein the limiting ring 36 is provided on the inner surface of the first inflow pipe 2 and the second inflow pipe 4, and the buffer pad 35 is provided on the side of the limiting ring 36 close to the flow dividing ring 33.

[0028] By adopting the above technical solution, the limiting ring 36 limits the position of the diverter ring 33, and the buffer pad 35 further plays a buffering and unloading effect.

[0029] When this embodiment is used, the cover plate 5 closes and seals both sides of the valve seat 6 of the fluorine-lined valve, and the valve stem 1 in the adjusting mounting seat 10 is rotated to drive the valve core 7 to move, thereby blocking the first inflow pipe 2 or the second inflow pipe 4, so that the flow state of different fluids can be controlled. The fluid enters the valve seat 6 through the inflow pipe and is then discharged through the outflow pipe 8. The diverter ring 33 is rotated by the auxiliary rod 34 so that the threaded sleeve 32 on its surface engages with the fixed thread 31, thereby completing the fixation of the diverter ring 33. When the fluid enters the inflow pipe, the diverter plate 333 blocks it, and the diverter hole 332 and the filter screen 331 inside it are diverted, thereby reducing the impact force of the fluid on the inside of the valve seat 6. The limit ring 36 limits the position of the diverter ring 33, and the buffer pad 35 further plays a buffering and unloading effect.

[0030] Example 2

[0031] The difference between this embodiment and the first embodiment is that the anti-collision component 9 includes an anti-collision cushion 91, a mounting plate 94 and a mounting groove 95, wherein the mounting groove 95 is arranged at a position corresponding to the valve core 7 inside the valve seat 6, the mounting plate 94 is arranged inside the mounting groove 95, and the anti-collision cushion 91 is arranged on the surface of the mounting plate 94.

[0032] By adopting the above technical solution, the mounting plate 94 is fixed in the mounting groove 95, and the anti-collision cushion 91 on the surface of the mounting plate 94 contacts the valve core 7, which is not easy to collide with the valve core 7, thereby effectively reducing the damage caused during adjustment.

[0033] Specifically, the anti-collision component 9 further includes a waterproof layer 92 and a connecting layer 93, wherein the waterproof layer 92 is disposed on the surface of the anti-collision cushion 91, and the connecting layer 93 is disposed between the anti-collision cushion 91 and the waterproof layer 92.

[0034] By adopting the above technical solution, the waterproof layer 92 is fixed to the surface of the anti-collision cushion 91 through the connecting layer 93, so that it can be prevented from being contaminated and damaged by the fluid.

[0035] When this embodiment is used, the mounting plate 94 is fixed in the mounting groove 95, and the anti-collision cushion 91 on its surface is in contact with the valve core 7, which is not easy to collide with the valve core 7, effectively reducing the damage caused during adjustment. The waterproof layer 92 is fixed to the surface of the anti-collision cushion 91 through the connecting layer 93 to prevent it from being contaminated and damaged by the fluid.

[0036] Working principle and use process of the utility model: When the utility model is used, the cover plate 5 closes and seals the two sides of the valve seat 6 of the fluorine-lined valve, and the valve stem 1 in the adjusting mounting seat 10 is rotated to drive the valve core 7 to move, thereby blocking the first inflow pipe 2 or the second inflow pipe 4, so as to control the flow state of different fluids. The fluid enters the valve seat 6 through the inflow pipe and is then discharged through the outflow pipe 8. The flow divider ring 33 is rotated by the auxiliary rod 34 so that the threaded sleeve 32 on its surface is meshed with the fixed thread 31, thereby completing the fixation of the flow divider ring 33, and the fluid enters the flow When entering the pipe, the diverter plate 333 blocks it, and the diverter hole 332 and the filter screen 331 inside it divert the flow, thereby reducing the impact force of the fluid on the inside of the valve seat 6, and the limit ring 36 limits the position of the diverter ring 33, and the buffer pad 35 further plays a buffering and unloading effect; the mounting plate 94 is fixed in the mounting groove 95, and the anti-collision pad 91 on its surface contacts the valve core 7, and is not easy to collide with the valve core 7, which effectively reduces the damage caused during adjustment. The waterproof layer 92 is fixed to the surface of the anti-collision pad 91 through the connecting layer 93, which can prevent it from being contaminated and damaged by the fluid.

[0037] Although 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. An adjustable fluorine-lined valve, comprising a valve seat, characterized in that: A valve stem is arranged inside the valve seat, a valve core is arranged on the surface of the valve stem, anti-collision components are arranged at positions corresponding to the valve core and the inner surface of the valve seat, cover plates are arranged on both sides of the valve seat, a mounting seat is arranged between the valve stem and the cover plate, a first inflow pipe is arranged on one side of the lower end of the valve seat, a second inflow pipe is arranged on the other side of the lower end of the valve seat, diversion components are arranged inside the first inflow pipe and the second inflow pipe, and an outflow pipe is arranged in the middle of the upper end of the valve seat.

2. The adjustable fluorine-lined valve according to claim 1, characterized in that: The diverter assembly includes a fixed thread, a threaded sleeve, a diverter ring and an auxiliary rod, wherein the diverter ring is arranged inside the first inlet pipe and the second inlet pipe, the auxiliary rod is arranged on the surface of the diverter ring, the threaded sleeve is arranged on the side surface of the diverter ring, and the fixed thread is arranged at the position corresponding to the threaded sleeve on the inner surface of the first inlet pipe and the second inlet pipe.

3. The adjustable fluorine-lined valve according to claim 2 is characterized in that: The diverter ring comprises a filter screen, a diverter hole and a diverter plate, wherein the diverter plate is arranged inside the diverter ring, the diverter hole is arranged inside the diverter plate, and the filter screen is arranged inside the diverter hole.

4. The adjustable fluorine-lined valve according to claim 2 is characterized in that: The flow diversion assembly further includes a buffer pad and a limiting ring, wherein the limiting rings are arranged on the inner surfaces of the first inflow pipe and the second inflow pipe, and a buffer pad is arranged on one side of the limiting ring close to the flow diversion ring.

5. The adjustable fluorine-lined valve according to claim 1 is characterized in that: The anti-collision component includes an anti-collision cushion, a mounting plate and a mounting groove, wherein a mounting groove is arranged inside the valve seat at a position corresponding to the valve core, a mounting plate is arranged inside the mounting groove, and an anti-collision cushion is arranged on the surface of the mounting plate.

6. The adjustable fluorine-lined valve according to claim 5, characterized in that: The anti-collision component also includes a waterproof layer and a connecting layer, wherein the waterproof layer is arranged on the surface of the anti-collision cushion, and the connecting layer is arranged between the anti-collision cushion and the waterproof layer.

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