Flange valve

Abstract

The flange valve comprises a valve body and a second connecting pipe, the input end and the output end of the valve body are both fixedly connected with the first connecting pipe, and the upper end face and the lower end face of the valve body are respectively provided with a first sealing seat and a second sealing seat in an integrally formed mode. A mechanical box is integrally formed on the upper end face, close to one side of the second connecting pipe, of the first connecting pipe, and a buffering mechanism for buffering water flow impact is arranged in the mechanical box. At the moment, the interval between the two buffer plates is enlarged or reduced, water flow impacts on the buffer plates, impact of the water flow on the valve body and the first connecting pipe can be effectively reduced, the damage degree is reduced, and the service life of equipment is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to flange valve technical field especially relates to a flange valve. BACKGROUND

[0002] As a crucial fluid control device in the pipeline system, flange valve plays a key role in connecting, regulating and cutting off medium flow. It is closely connected with the pipeline system through flange connection, forming a complete and reliable fluid passage. The core of flange valve lies in its unique flange connection structure. This connection method not only facilitates the installation and disassembly of the valve, but also ensures the efficient sealing between the valve and the pipeline, effectively preventing medium leakage and ensuring the safe operation of the pipeline system.

[0003] In the existing valve technology, although there are some solutions aimed at reducing the damage of water flow impact on the valve body and connecting pipeline, these solutions often have certain limitations. Traditional valve design usually only relies on the material and structure of the valve body to withstand the direct impact of water flow, lacking effective buffering mechanism. Therefore, under the condition of fast water flow or high pressure, the valve body and pipeline are often easily subjected to severe erosion and vibration, leading to equipment damage, sealing performance degradation, and even safety hazards such as leakage. SUMMARY

[0004] The utility model provides a kind of flange valve in view of the deficiency existing in prior art, and specific technical solutions are as follows:

[0005] A kind of flange valve, including valve body and second connecting pipe, the input end and the output end of the valve body are both fixedly connected with first connecting pipe, the upper end surface and the lower end surface of the valve body are integrally formed with first sealing seat and second sealing seat respectively, the upper end surface of the first connecting pipe near the side of the second connecting pipe is integrally formed with mechanical box, the inside of the mechanical box is provided with the buffer mechanism that buffers water flow impact.

[0006] As an improvement of the above technical solution, the buffer mechanism includes a turbine rotatably sleeved at the top end of the mechanical box, a worm gear meshing and driving the turbine is rotatably sleeved on the inner side wall of the mechanical box on one side of the turbine, the end of the worm gear penetrates to the outer side wall of the mechanical box, the extension end of the worm gear is fixedly connected with a rudder, the lower end surface of the turbine is fixedly connected with a connecting rod, and the connecting rod is located in the interior of the first connecting pipe.

[0007] As the improvement of the above technical scheme, the buffering mechanism further comprises a fixed support symmetrically fixedly connected to the inner side wall of the first connecting pipe near one end of the second connecting pipe, a buffering plate for buffering water bodies is rotatably sleeved in the fixed support, auxiliary frames are fixedly connected to the side of the two buffering plates close to the connecting rod, the outer wall of the connecting rod is wound with two groups of connecting ropes with the same rotating direction, lassos are fixedly connected to the end of the connecting ropes, and the lassos are clamped in the interiors of the auxiliary frames.

[0008] As the improvement of the above technical scheme, the end of the connecting rod extends to the interior of the third sealing seat, a bearing is arranged on the extending end, the contact surfaces of the connecting rod, the mechanical box and the third sealing seat are all provided with sealing rings, and mounting holes are formed in the outer side walls of the two buffering plates, and the interiors of the mounting holes are filled with filling materials with sealing effect.

[0009] As the improvement of the above technical scheme, the side end of the two first connecting pipes and the second connecting pipe close to the valve body is fixedly connected with a flange, and a third sealing seat is integrally arranged on the lower end face of the first connecting pipe below the mechanical box.

[0010] As the improvement of the above technical scheme, a ball core is rotatably sleeved in the interior of the valve body, a valve rod is fixedly connected to the upper end face of the ball core, the valve rod penetrates through the upper end face of the first sealing seat, and a sealing ring is arranged on the contact surface of the valve rod and the first sealing seat, a handle facilitating rotation is fixedly connected to the outer wall of the valve rod, a rotating shaft is fixedly connected to the lower end face of the ball core, the end of the rotating shaft extends to the interior of the second sealing seat, and a sealing bearing is fixedly connected to the extending end of the rotating shaft.

[0011] As the improvement of the above technical scheme, the second connecting pipe is fixedly connected with the first connecting pipe close to the valve body through a flange through bolts, the inner side wall of the second connecting pipe is fixedly connected with a mounting plate, and the side of the mounting plate close to the valve body is fixedly connected with a filter sleeve for filtering water bodies through bolts.

[0012] The utility model discloses beneficial effect: through being provided with buffering mechanism, in the process of using, the user can adjust the position between two buffering plates according to the self required, the interval between two buffering plates will expand or shrink at this moment, and the water flow hits on the buffering plate, can effectively reduce the impact of water flow to valve body and first connecting pipe, reduces the damage degree, improves the service life of equipment. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the isometric structure schematic diagram of the whole utility model;

[0014] Figure 2 It is the valve body sectional structure schematic diagram in the utility model;

[0015] Figure 3 It is the buffer mechanism structure schematic view in the utility model;

[0016] Figure 4 It is the second connecting pipe section structure schematic view in the utility model.

[0017] Reference Signs: 1, valve body; 11, first connecting pipe; 12, flange; 13, first sealing seat; 14, second sealing seat; 15, mechanical box; 16, third sealing seat; 2, handle; 21, ball core; 22, valve rod; 23, rotating shaft; 24, sealing bearing; 3, buffer mechanism; 31, turbine; 32, worm; 33, steering vane; 34, connecting rod; 35, buffer plate; 351, mounting hole; 352, filler; 36, fixed support; 37, auxiliary frame; 38, lasso; 39, connecting rope; 4, second connecting pipe; 41, mounting plate; 42, filter sleeve. DETAILED DESCRIPTION

[0018] In order to make the utility model purposes, technical solutions and advantages more clearly, the following will be combined with the drawings and examples, and the utility model will be further described in detail. It should be understood that the specific examples described here are only used to explain the utility model, and are not used to limit the utility model.

[0019] Embodiment

[0020] A flange valve, please refer to Figure 1 - Figure 4 Including valve body 1 and second connecting pipe 4, the input end and the output end of valve body 1 are fixedly connected with first connecting pipe 11, the upper end face and the lower end face of valve body 1 are integrally formed with first sealing seat 13 and second sealing seat 14 respectively, the upper end face of first connecting pipe 11 near second connecting pipe 4 side is integrally formed with mechanical box 15, and the inside of mechanical box 15 is provided with buffer mechanism 3 that buffers water flow impact.

[0021] Adopt the above technical scheme, through the buffer mechanism 3 that the inside of mechanical box 15 is provided with, the impact generated when water flow passes through valve body 1 can be effectively slowed down, makes water flow more stable, reduces the vibration and noise caused by water flow impact, improves the stability and service life of valve, and the buffer mechanism 3 is arranged in the inside of mechanical box 15, is convenient for daily maintenance and overhaul, does not need to disassemble entire valve body, improves maintenance efficiency and convenience.

[0022] Please refer to Figure 2 And Figure 3The buffer mechanism 3 includes a turbine 31 rotatably sleeved on the top of the mechanical box 15. The inner wall of the mechanical box 15 is located on one side of the turbine 31 and is rotatably sleeved with a worm 32 that meshes with the turbine 31. The end of the worm 32 passes through the outer wall of the mechanical box 15. The extended end of the worm 32 is fixedly connected to a steering rudder 33. The lower end surface of the turbine 31 is fixedly connected to a connecting rod 34, and the connecting rod 34 is located inside the first connecting pipe 11.

[0023] By adopting the above technical solution, by turning the steering wheel 33, the worm 32 can be driven to rotate, and then engage with the turbine 31 for transmission, so that the turbine 31 and the connecting rod 34 connected to its lower end can be precisely rotated and adjusted. By adjusting the steering wheel 33, the position of the connecting rod 34 in the first connecting pipe 11 can be controlled, thereby achieving precise regulation of the water flow and enhancing the flow control accuracy of the valve. The rotation of the connecting rod 34 can control the buffer plate 35 to change its posture in the water flow, thereby adjusting the degree of obstruction and buffering effect of the water flow. When high-speed water flows through, the buffer plate 35 can effectively disperse and slow down the impact force of the water flow, reduce the direct impact of the water flow on the valve body 1 and the pipeline system, and improve the stability and durability of the system.

[0024] Please refer to Figure 2 and Figure 3 The buffer mechanism 3 also includes a fixed bracket 36 symmetrically fixedly connected to the inner wall of the first connecting tube 11 near one end of the second connecting tube 4. The internal part of the fixed bracket 36 is rotatably sleeved with a buffer plate 35 for buffering water. The two buffer plates 35 are fixedly connected to an auxiliary frame 37 on one side near the connecting rod 34. The outer wall of the connecting rod 34 is wrapped with two groups of connecting ropes 39 with the same rotation direction. The end of the connecting rope 39 is fixedly connected with a lasso 38, and the lasso 38 is clamped in the inside of the auxiliary frame 37. The end of the connecting rod 34 extends to the inside of the third sealing seat 16, and a bearing is provided at the extended end. The contact surfaces of the connecting rod 34 and the mechanical box 15 and the third sealing seat 16 are all provided with sealing rings. The outer side walls of the two buffer plates 35 are provided with mounting holes 351, and the interior of the mounting hole 351 is filled with a sealing filler 352.

[0025] By adopting the above technical solution, by introducing the buffer plate 35 and the auxiliary frame 37, as well as the linkage design of the connecting rope 39 and the lasso 38, when the water flows through the first connecting pipe 11, when the connecting rod 34 rotates, the buffer plate 35 can be driven by the connecting rope 39 and the lasso 38 to perform fine-tuning, thereby achieving further buffering and stabilization of the water flow. The mounting hole 351 can facilitate the installation limit between the buffer plate 35 and the fixed bracket 36. The sealing ring provided on the contact surface of the connecting rod 34 and the mechanical box 15 and the third sealing seat 16 also further enhances the sealing effect of the valve, thereby ensuring the reliability and safety of the valve.

[0026] Please refer to Figure 1 、 Figure 2and Figure 3 The first connecting pipe 11 and the second connecting pipe 4 are fixedly connected with the flange 12 near one side end of the valve body 1, the lower end surface of the first connecting pipe 11 is integrally provided with the third sealing seat 16 below the mechanical box 15, the ball core 21 is rotatably sleeved in the valve body 1, the upper end surface of the ball core 21 is fixedly connected with the valve rod 22, the valve rod 22 penetrates through the upper end surface of the first sealing seat 13, and the contact surface of the valve rod 22 and the first sealing seat 13 is provided with a sealing ring, the outer wall of the valve rod 22 is fixedly connected with the handle 2 for convenient rotation, the lower end surface of the ball core 21 is fixedly connected with the rotating shaft 23, and the end of the rotating shaft 23 extends to the inside of the second sealing seat 14, the extending end of the rotating shaft 23 is fixedly connected with the sealing bearing 24, the second connecting pipe 4 is fixedly connected with the first connecting pipe 11 near one side of the valve body 1 through the flange 12 and the bolt, the inner side wall of the second connecting pipe 4 is fixedly connected with the mounting plate 41, and the mounting plate 41 is fixedly connected with the filter sleeve 42 for filtering water near one side of the valve body 1 through the bolt.

[0027] The flange 12 and the bolt connection design make the connection between the first connecting pipe 11, the second connecting pipe 4 and the valve body 1 more firm and reliable, can withstand greater pressure and tension, ensure the stable operation of the valve under harsh working conditions, the sealing ring and the sealing bearing 24 are arranged at the key positions such as the third sealing seat 16, the first sealing seat 13 and the second sealing seat 14, effectively prevent the leakage of the medium in the closed state of the valve, improve the sealing performance of the valve, the handle 2 design makes the operator can conveniently manually control the opening and closing of the valve, without using tools, the setting of the filter sleeve 42 can filter the water entering the valve, remove the impurities and particles in it, improve the water quality, protect the normal operation of the valve and the pipeline system.

[0028] Working principle: the rotation of the rotating rudder 33 drives the worm 32 to rotate, and the worm 32 is meshed with the turbine 31 to drive, so the turbine 31 drives the connecting rod 34 to rotate, and the connecting rod 34 is wrapped with two groups of connecting ropes 39, when the connecting rod 34 rotates, the connecting ropes 39 can produce two states, one is to gradually wind the connecting ropes 39 on the outer wall of the connecting rod 34, and the other is to gradually stretch the connecting ropes 39 from the outer wall of the connecting rod 34, when the connecting ropes 39 are gradually wound on the outer wall of the connecting rod 34, the lasso 38 will pull the auxiliary frame 37 and the buffer plate 35, at this time the two buffer plates 35 gradually approach each other, and the gap between the two buffer plates 35 will be reduced, when the water flow impacts on the buffer plate 35, the speed of the water flow will be reduced, and the impact force is mostly applied to the buffer plate 35, which can effectively reduce the impact of the water body on the valve body 1 and the first connecting pipe 11, when the connecting ropes 39 gradually separate from the outer wall of the connecting rod 34, the impact of the water body on the buffer plate 35 will drive the buffer plate 35 to do arc motion, and the connecting ropes 39 are in a stretched state, at this time the distance between the two buffer plates 35 will increase, the user can adjust the distance between the two buffer plates 35 according to different needs, so as to play a buffering effect, and the filter sleeve 42 is arranged in the second connecting pipe 4, which can filter the impurities in the water body and reduce the generation of attachments.

[0029] The above merely describes the preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A flange valve characterized by, The utility model provides a valve body (1) and second connecting pipe (4) are included: the input end and the output end of valve body (1) are fixedly connected with first connecting pipe (11), the upper end surface and the lower end surface of valve body (1) are integrally formed with first sealing seat (13) and second sealing seat (14) respectively, and the upper end surface of first connecting pipe (11) near second connecting pipe (4) side is integrally formed with mechanical box (15), the inside of mechanical box (15) is provided with buffer mechanism (3) that buffers water flow impact.

2. A flange valve according to claim 1, characterized in that: The buffer mechanism (3) includes a turbine (31) rotatably sleeved on the top end of the mechanical box (15), a worm (32) rotatably sleeved on one side of the inner side wall of the mechanical box (15) and engaged with the turbine (31) for transmission, the end of the worm (32) penetrates through the outer side wall of the mechanical box (15), the extending end of the worm (32) is fixedly connected with a rudder (33), the lower end surface of the turbine (31) is fixedly connected with a connecting rod (34), and the connecting rod (34) is located in the first connecting pipe (11).

3. A flange valve according to claim 2, characterised in that: The buffer mechanism (3) further includes a fixed support (36) symmetrically fixedly connected to the inner side wall of the first connecting pipe (11) near one end of the second connecting pipe (4), a buffer plate (35) rotatably sleeved in the fixed support (36) for buffering water, two buffer plates (35) are fixedly connected with auxiliary frames (37) on the side near the connecting rod (34), the outer wall of the connecting rod (34) is wound with two groups of connecting ropes (39) of the same rotating direction, the ends of the connecting ropes (39) are fixedly connected with nooses (38), and the nooses (38) are clamped in the auxiliary frames (37).

4. A flange valve according to claim 3, characterised in that: The end of the connecting rod (34) extends to the inside of the third sealing seat (16), and the extending end is provided with a bearing, the contact surfaces of the connecting rod (34), the mechanical box (15) and the third sealing seat (16) are all provided with sealing rings, the outer side walls of the two buffer plates (35) are provided with mounting holes (351), and the mounting holes (351) are filled with fillers (352) for sealing.

5. The flanged valve of claim 1, wherein: The ends of the two first connecting pipes (11) and the second connecting pipe (4) near the valve body (1) are fixedly connected with flanges (12), and the lower end surface of the first connecting pipe (11) is integrally formed with a third sealing seat (16) below the mechanical box (15).

6. The flanged valve of claim 1, wherein: The inside of the valve body (1) is rotatably sleeved with a ball core (21), the upper end surface of the ball core (21) is fixedly connected with a valve rod (22), the valve rod (22) penetrates through the upper end surface of the first sealing seat (13), the contact surface between the valve rod (22) and the first sealing seat (13) is provided with a sealing ring, the outer wall of the valve rod (22) is fixedly connected with a handle (2) for easy rotation, the lower end surface of the ball core (21) is fixedly connected with a rotating shaft (23), the extending end of the rotating shaft (23) extends to the inside of the second sealing seat (14), and the extending end of the rotating shaft (23) is fixedly connected with a sealing bearing (24).

7. A flange valve according to claim 5, characterized in that: The second connecting pipe (4) is fixedly connected with the first connecting pipe (11) near one side of the valve body (1) through a flange (12), an inner side wall of the second connecting pipe (4) is fixedly connected with a mounting plate (41), and one side of the mounting plate (41) near the valve body (1) is fixedly connected with a filter sleeve (42) for filtering water.

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