Damping valve

Abstract

The invention relates to the field of valves, in particular to a damping valve. Comprising a hemisphere frame I fixedly connected with a threaded pipe, the threaded pipe is in threaded connection with an inner connecting pipe, the inner connecting pipe is fixedly connected to a hemisphere frame II, the hemisphere frame I is fixedly connected with a communicating pipe I and a buffer pipe I, the hemisphere frame II is fixedly connected with a communicating pipe II and a buffer pipe II, and the buffer pipe I and the buffer pipe II are slidably connected with buffer rods. A buffer plate is fixedly connected to each buffer rod, and a tension spring is fixedly connected between each buffer rod and the corresponding buffer pipe I and buffer pipe II. A mounting table I is fixedly connected to the hemispherical frame II, an end plate is fixedly connected to the mounting table I, an air cylinder I is fixedly connected to the end plate, and a stepped plate I capable of being coupled with the threaded pipe is fixedly connected to an air cylinder rod of the air cylinder I. Kinetic energy of fluid can be absorbed through the sliding buffer structure, and the effect of damping the fluid flowing in the valve is achieved.

Description

Technical Field

[0001] The present invention relates to the field of valves, and more particularly to a shock-absorbing valve. Background Art

[0002] The valve is a control component in the fluid delivery system, with functions such as cutoff, regulation, diversion, backflow prevention, pressure stabilization, diversion or overflow pressure relief. When the valve is opened and closed, the fast-flowing fluid impacts the valve under the action of kinetic energy, but the current valve has a poor effect of buffering the flowing fluid, and cannot absorb the kinetic energy of the fluid through the sliding buffer structure to achieve the effect of damping the fluid flowing in the valve. Summary of the invention

[0003] In order to improve the deficiencies of the prior art, the present invention provides a shock-absorbing valve, which can absorb the kinetic energy of the fluid through a sliding buffer structure, thereby achieving the effect of shock-absorbing the fluid flowing in the valve.

[0004] The technical solution adopted by the present invention to solve its technical problem is:

[0005] A shock-absorbing valve comprises a hemispherical frame I fixedly connected with a threaded tube, an inner tube being threadedly connected to the threaded tube, the inner tube being fixedly connected to the hemispherical frame II, a connecting tube I and a buffer tube I being fixedly connected to the hemispherical frame I, a connecting tube II and a buffer tube II being fixedly connected to the hemispherical frame II, buffer tubes I and II being slidably connected with buffer rods, each buffer rod being fixedly connected with a buffer plate, and tension springs being fixedly connected between each buffer rod and the corresponding buffer tubes I and II.

[0006] Furthermore, the hemispherical frame II is fixedly connected to a mounting platform I, the mounting platform I is fixedly connected to an end plate, the end plate is fixedly connected to a cylinder I, and the cylinder rod of the cylinder I is fixedly connected to a step plate I that can be coupled with a threaded pipe.

[0007] Furthermore, the hemispherical frame I is provided with a plurality of connecting holes I, the hemispherical frame II is provided with a plurality of connecting holes II corresponding one to one with the plurality of connecting holes I, an outer tube is fixedly connected to the hemispherical frame II, a rotating frame is rotatably connected to the outer tube, a retaining ring is fixedly connected to the rotating frame, and a plurality of expansion holes corresponding one to one with the plurality of connecting holes II are provided on the retaining ring.

[0008] Furthermore, a gear ring is fixedly connected to the rotating frame, a cross frame is fixedly connected to the outer tube, and a side wheel for driving the gear ring to rotate is rotatably connected to the cross frame.

[0009] Furthermore, a plurality of vertical poles are fixedly connected to the rotating frame.

[0010] The beneficial effects of a shock-absorbing valve of the present invention are: it can absorb the kinetic energy of the fluid through the sliding buffer structure to achieve the effect of shock-absorbing the fluid flowing in the valve; it can also achieve the closure of the valve through multiple sealed and flowing pipes; it can also increase the flow area of ​​the fluid and accelerate the flow speed of the fluid by opening other fluid flow channels on the valve. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The present invention is further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0012] Figure 1 It is a structural schematic diagram of the shock absorbing valve;

[0013] Figure 2 It is a half-section view of the shock absorbing valve;

[0014] Figure 3 It is a schematic diagram of the structure of hemispherical frame I;

[0015] Figure 4 for Figure 3 A schematic diagram of the structure in another direction of the structure shown;

[0016] Figure 5 is a schematic diagram of the structure of the buffer fluid;

[0017] Figure 6 It is the structural diagram of hemispherical frame II;

[0018] Figure 7 It is a schematic diagram of the structure of closing the connecting hole II;

[0019] Figure 8 It is a structural schematic diagram of closing the inner pipe;

[0020] Fig. 9 It is a schematic diagram of the structure for driving the retaining ring to rotate.

[0021] In the figure: hemispherical frame Ⅰ11; connecting pipe Ⅰ12; buffer pipe Ⅰ13; mounting table Ⅰ14; end plate 15; threaded pipe 17; connecting hole Ⅰ18; cylinder Ⅰ21; step plate Ⅰ22; buffer rod 31; buffer plate 32; tension spring 33; hemispherical frame Ⅱ41; connecting pipe Ⅱ42; buffer pipe Ⅱ43; outer pipe 44; inner pipe 45; connecting hole Ⅱ46; rotating frame 51; retaining ring 52; expansion hole 53; gear ring 54; vertical rod 55; end cover 61; cylinder Ⅱ62; bottom sealing plate 63; cross frame 71; side wheel 72. DETAILED DESCRIPTION

[0022] refer to Figure 1 , 2 , 3, 4, 5 and 6, detailed description of the embodiments of the shock absorbing valve:

[0023] A shock-absorbing valve comprises a hemispherical frame Ⅰ11 fixedly connected with a threaded tube 17, an inner tube 45 is threadedly connected to the threaded tube 17, the inner tube 45 is fixedly connected to the hemispherical frame Ⅱ41, a connecting tube Ⅰ12 and a buffer tube Ⅰ13 are fixedly connected to the hemispherical frame Ⅰ11, a connecting tube Ⅱ42 and a buffer tube Ⅱ43 are fixedly connected to the hemispherical frame Ⅱ41, a buffer rod 31 is slidably connected to the buffer tube Ⅰ13 and the buffer tube Ⅱ43, each buffer rod 31 is fixedly connected with a buffer plate 32, each buffer rod 31 and the corresponding buffer tube Ⅰ13 and buffer tube Ⅱ43 are fixedly connected with a tension spring 33, the buffer tube Ⅰ13 and the buffer tube Ⅱ43 are connected with the pipeline installed with the valve, when the fluid flows, when the fluid flows through the valve, the rapid flow impacts on the corresponding buffer plate 32, and the buffer plate 32 slides when the force is applied The corresponding tension spring 33 is stretched by the movement, and the power of the fluid is absorbed by the elastic deformation of the tension spring 33 to achieve buffering of the fluid impacting the valve and realize shock reduction of the valve. The buffered fluid can be connected to the space inside the hemispherical frame I11 and the hemispherical frame II41 through the threaded tube 17, thereby realizing the circulation of the fluid. When the valve for fluid circulation is required to be closed, it is only necessary to block the threaded tube 17 to achieve the closure of the fluid channel. The hemispherical frame I11 and the hemispherical frame II41 are correspondingly provided with lifting ears, and the hemispherical frame I11 and the hemispherical frame II41 can be positioned by the corresponding lifting ears, and the relative positions of the hemispherical frame I11 and the hemispherical frame II41 can be adjusted by connecting the threaded tube 17 and the inner pipe 45, so that the connecting pipe I12 and the connecting pipe II42 are easier to connect.

[0024] refer to Figure 2 and 5 , detailed description of the embodiment of closing the valve:

[0025] The hemispherical frame II 41 is fixedly connected with a mounting platform I 14, the mounting platform I 14 is fixedly connected with an end plate 15, the end plate 15 is fixedly connected with a cylinder I 21, and the cylinder rod of the cylinder I 21 is fixedly connected with a step plate I 22 that can be coupled with the threaded tube 17. When the valve needs to be closed, the cylinder I 21 is started, and the cylinder rod of the cylinder I 21 drives the step plate I 22 to slide and couple with the threaded tube 17 to achieve blocking of the threaded tube 17, thereby achieving closing of the valve, and the stepped step plate I 22 can fully seal the threaded tube 17 during the coupling process with the threaded tube 17, thereby achieving full closing of the valve.

[0026] refer to Figure 2 , 4 , 6 and 7, detailed description of the embodiment of the cross-sectional area of ​​the expansion valve flow fluid:

[0027] The hemispherical frame I11 is processed with a plurality of connecting holes I18, and the hemispherical frame II41 is processed with a plurality of connecting holes II46 corresponding to the plurality of connecting holes I18 one by one. The hemispherical frame II41 is fixedly connected with an outer tube 44, and a rotating frame 51 is rotatably connected to the outer tube 44. A retaining ring 52 is fixedly connected to the rotating frame 51, and a plurality of expansion holes 53 corresponding to the plurality of connecting holes II46 are arranged on the retaining ring 52. When the flow rate of the circulating fluid needs to be increased, the rotating frame 51 is rotated, and the rotating frame 51 drives the retaining ring 52 to rotate, and the plurality of expansion holes 53 on the retaining ring 52 are corresponding to the plurality of connecting holes II46 one by one. When the multiple connecting holes Ⅰ18, the multiple connecting holes Ⅱ46 and the multiple expansion holes 53 overlap, the fluid can flow through the multiple connecting holes Ⅰ18, the multiple connecting holes Ⅱ46 and the multiple expansion holes 53 in addition to the circulation of the fluid in the space between the hemispherical frame Ⅰ11 and the hemispherical frame Ⅱ41 through the threaded tube 17, so as to realize the rapid flow of the fluid, increase the area of ​​the fluid circulation, and speed up the flow rate of the fluid allowed by the valve. When the valve is used normally, the retaining ring 52 is driven to rotate so that the multiple expansion holes 53 on the retaining ring 52 are staggered with the multiple connecting holes Ⅱ46, so as to realize the closure of the multiple connecting holes Ⅱ46.

[0028] refer to Figure 7 and 9 , an embodiment of driving the retaining ring 52 to rotate is described in detail:

[0029] A ring gear 54 is fixedly connected to the rotating frame 51, a cross frame 71 is fixedly connected to the outer tube 44, a side wheel 72 is rotatably connected to the cross frame 71 for driving the ring gear 54 to rotate, the side wheel 72 is fixedly connected to the output shaft of the reduction motor I, the reduction motor I is fixedly connected to the cross frame 71, the reduction motor I is started, the output shaft of the reduction motor I drives the side wheel 72 to rotate, the side wheel 72 engages and drives the ring gear 54 to rotate, the ring gear 54 drives the rotating frame 51 to rotate, the rotating frame 51 drives the retaining ring 52 to rotate, thereby realizing the closure of multiple connecting holes II 46.

[0030] refer to Figure 7 , the embodiment of manually rotating the retaining ring 52 is described in detail:

[0031] The rotating frame 51 is fixedly connected with a plurality of vertical rods 55 , so that the rotating frame 51 can be rotated by applying a torque force on the plurality of vertical rods 55 , thereby realizing the rotation of the retaining ring 52 , thereby realizing the closing of the plurality of connecting holes II 46 .

[0032] refer to Figure 8 and 9 , an embodiment of blocking the end of the rotary frame 51 is described in detail:

[0033] The rotary frame 51 is threadedly connected with an end cover 61 , so that the end of the rotary frame 51 can be blocked and sealed by the end cover 61 .

[0034] refer to Figure 8 , detailed description of the embodiment of the multi-layer blocking valve:

[0035] The middle of the end cover 61 is fixedly connected with a cylinder II 62, and the cylinder rod of the cylinder II 62 is fixedly connected with a bottom sealing plate 63 coupled with the inner pipe 45. When the step plate I 22 slides and couples with the threaded pipe 17 to seal the threaded pipe 17, when fluid leakage occurs, the cylinder II 62 is started, and the cylinder rod of the cylinder II 62 drives the bottom sealing plate 63 to slide to seal the inner pipe 45, thereby closing the valve and ensuring the sealing of the valve. The bottom sealing plate 63 is stepped, so as to enhance the sealing of the bottom sealing plate 63 to the inner pipe 45 and ensure the sealing of the valve.

[0036] refer to Figure 8 , an embodiment for ensuring the sealing of the retaining ring 52 and the hemispherical frame II 41 is described in detail:

[0037] A rotating sealing ring is provided between the retaining ring 52 and the hemispherical frame II 41 , so that the retaining ring 52 can provide sealing performance to the hemispherical frame II 41 .

[0038] refer to Figure 5 and 8 , detailed description of the embodiment of closing the valve to prevent fluid leakage:

[0039] The bottom sealing plate 63 and the step plate Ⅰ22 are provided with rubber pads, so that the bottom sealing plate 63 and the step plate Ⅰ22 can seal the threaded pipe 17 and the inner pipe 45 through the deformation of the rubber pads, thereby ensuring the sealing performance when the valve is closed.

Claims

1. A shock absorbing valve, characterized in that: The invention comprises a hemispherical frame I (11) fixedly connected with a threaded tube (17), an inner tube (45) being threadedly connected to the threaded tube (17), the inner tube (45) being fixedly connected to a hemispherical frame II (41), a connecting tube I (12) and a buffer tube I (13) being fixedly connected to the hemispherical frame I (11), a connecting tube II (42) and a buffer tube II (43) being fixedly connected to the hemispherical frame II (41), a buffer rod (31) being slidably connected to the buffer tube I (13) and the buffer tube II (43), each buffer rod (31) being fixedly connected with a buffer plate (32), and a tension spring (33) being fixedly connected between each buffer rod (31) and the corresponding buffer tube I (13) and buffer tube II (43).

2. A shock absorbing valve according to claim 1, characterized in that: The hemispherical frame II (41) is fixedly connected to a mounting platform I (14), an end plate (15) is fixedly connected to the mounting platform I (14), a cylinder I (21) is fixedly connected to the end plate (15), and a step plate I (22) capable of coupling with a threaded tube (17) is fixedly connected to the cylinder rod of the cylinder I (21).

3. A shock absorbing valve according to claim 1, characterized in that: The hemispherical frame I (11) is provided with a plurality of connecting holes I (18), the hemispherical frame II (41) is provided with a plurality of connecting holes II (46) corresponding one-to-one to the plurality of connecting holes I (18), the hemispherical frame II (41) is fixedly connected with an outer tube (44), the outer tube (44) is rotatably connected with a rotating frame (51), the rotating frame (51) is fixedly connected with a retaining ring (52), and the retaining ring (52) is provided with a plurality of expansion holes (53) corresponding one-to-one to the plurality of connecting holes II (46).

4. A shock absorbing valve according to claim 3, characterized in that: The rotating frame (51) is fixedly connected with a gear ring (54), the outer tube (44) is fixedly connected with a cross frame (71), and the cross frame (71) is rotatably connected with a side wheel (72) for driving the gear ring (54) to rotate.

5. A shock absorbing valve according to claim 3, characterized in that: A plurality of vertical rods (55) are fixedly connected to the rotating frame (51).

6. A shock absorbing valve according to claim 5, characterized in that: An end cover (61) is threadedly connected to the rotary frame (51).

7. A shock absorbing valve according to claim 6, characterized in that: The middle part of the end cover (61) is fixedly connected with a cylinder II (62), and the cylinder rod of the cylinder II (62) is fixedly connected with a bottom sealing plate (63) coupled with the inner pipe (45).

8. A shock absorbing valve according to claim 7, characterized in that: The bottom sealing plate (63) is in a stepped shape.

9. A shock absorbing valve according to claim 7, characterized in that: A rotating sealing ring is arranged between the retaining ring (52) and the hemispherical frame II (41).

10. A shock absorbing valve according to claim 7, characterized in that: The bottom sealing plate (63) and the step plate I (22) are provided with rubber pads.

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