阅读说明：本技术 一种水利管道用水锤消除器 (Water hammer eliminator for water conservancy pipelines ) 是由 李纯香 熊立 于 2021-07-05 设计创作，主要内容包括：本发明公开了一种水利管道用水锤消除器,包括管道,还包括缓冲机构,所述缓冲机构具体由缓冲仓、活动仓、气囊仓、密封块、弹簧伸缩杆、密封塞、挡板、弹簧块、堵头和活塞组成,所述管道表面焊接有缓冲仓,所述缓冲仓内壁开设有活动仓,所述缓冲仓内壁安装有气囊仓,所述气囊仓内壁固定连接有密封块,所述密封块表面一侧固定连接有弹簧伸缩杆,所述弹簧伸缩杆表面一侧固定连接有密封塞,所述密封塞内壁焊接有挡板,所述挡板表面一侧焊接有弹簧块,整个装置采用双活塞结构来降低整个装置的体积,从而更适合家用,并且有很好的保护措施,有效的防止了因水冲击波过大而对装置造成损坏,大大的增加了装置的使用寿命。(The invention discloses a water hammer eliminator for water conservancy pipelines, which comprises a pipeline and a buffer mechanism, wherein the buffer mechanism specifically comprises a buffer bin, a movable bin, an air bag bin, a sealing block, a spring telescopic rod, a sealing plug, a baffle plate, a spring block, an end cap and a piston, the buffer bin is welded on the surface of the pipeline, the movable bin is arranged on the inner wall of the buffer bin, the air bag bin is arranged on the inner wall of the buffer bin, the sealing block is fixedly connected on the inner wall of the air bag bin, the spring telescopic rod is fixedly connected on one side of the surface of the sealing block, the sealing plug is fixedly connected on one side of the surface of the spring telescopic rod, the baffle plate is welded on the inner wall of the sealing plug, the spring block is welded on one side of the surface of the baffle plate, the whole device adopts a double-piston structure to reduce the volume of the whole device, so that the device is more suitable for household use, and has good protection measures, and effectively prevents the device from being damaged due to overlarge water impact waves, greatly prolonging the service life of the device.)

1. The utility model provides a water conservancy pipeline water hammer annihilator, includes pipeline (1), its characterized in that: the air bag sealing device is characterized by further comprising a buffering mechanism (2), wherein the buffering mechanism (2) specifically comprises a buffering bin (201), a movable bin (202), an air bag bin (203), a sealing block (204), a spring telescopic rod (205), a sealing plug (206), a baffle (207), a spring block (208), a plug (209) and a piston (210), the buffering bin (201) is welded on the surface of the pipeline (1), the movable bin (202) is arranged on the inner wall of the buffering bin (201), the air bag bin (203) is installed on the inner wall of the buffering bin (201), the sealing block (204) is fixedly connected on the inner wall of the air bag bin (203), the spring telescopic rod (205) is fixedly connected on one side of the surface of the sealing block (204), the spring telescopic rod (206) is fixedly connected on one side of the surface of the spring telescopic rod (205), the baffle (207) is welded on one side of the inner wall of the sealing plug (206), and the spring block (208) is welded on one side of the surface of the baffle (207), a plug (209) is fixedly connected to one side of the surface of the spring block (208), and a piston (210) is connected to the surface of the movable bin (202) in a sliding fit mode.

2. The water hammer eliminator for water conservancy pipelines according to claim 1, wherein: the connecting mechanism (3) is further comprised, and the connecting mechanism (3) is composed of a nut block (301), a thread groove (302), an air bag (303), a contact block (304) and a rubber pad (305).

3. The water hammer eliminator for water conservancy pipelines according to claim 2, wherein: pipeline (1) surface left and right sides all welds has nut piece (301), thread groove (302) have been seted up to nut piece (301) inner wall, thread groove (302) surface mounting has gasbag (303), gasbag (303) fixed surface is connected with contact piece (304), rubber pad (305) are installed to nut piece (301) inner wall.

4. The water hammer eliminator for water conservancy pipelines according to claim 1, wherein: the surfaces of the pipeline (1) and the movable bin (202) are provided with gaps (4).

5. The water hammer eliminator for water conservancy pipelines according to claim 2, wherein: the production operation of the water hammer eliminator for the water conservancy pipeline comprises the following steps:

s1, find the family water pipe, with nut piece (301) facing to pipeline (1) screw thread piece surface, let both carry out threaded connection, along with the continuous and nut piece (301) inter combination of screw thread, nut piece (301) surface bulge position can insert in screw thread groove (302) of nut piece (301) inner wall, and produce the extrusion to contact block (304), can let contact block (304) laminating firmly form seal structure at the screw thread surface under the effect of gasbag (303), and gasbag (303) after the extrusion can take place deformation, these deformations can outwards extrude rubber pad (305), at this moment can let rubber pad (305) closely laminate in main water mouth formation secondary seal structure, through double seal structure, great increase holistic leakproofness, the effectual outer hourglass of water that has prevented.

S2, when the water hammer type water hammer device is used normally, flowing water passes through the pipeline (1), the movable bin (202) is filled with the flowing water through the notch (4), the positions of the two pistons (210) in the movable bin (202) are adjusted according to the water pressure, once the water hammer effect occurs, water hammer waves act on the pistons (210), and the pistons (210) are driven by the water hammer waves to compress air on two sides, so that the water hammer effect is counteracted.

S3, once the impact of the water hammer wave is too large, the piston (210) is driven to move and displace greatly, under the action of the reaction force of compressed gas, the elastic force generated by the spring expansion link (205) is overcome, so that the sealing plug (206) is separated from the surface of the sealing block (204) to form an air leakage port, because the caliber of the sealing block (204) is smaller, and under the blocking action of the sealing plug (206), the air exhaust speed is slower, the water hammer wave is converted into friction heat to be finally dissipated through the friction generated between air and the sealing block (204), after the resistance is finished, the spring expansion link (205) combines the sealing plug (206) and the sealing block (204) with each other again to form a sealing structure, and under the action of negative pressure, the plug (209) is driven to move forwards, the air in the air bag (303) is re-absorbed, the movable bin (202) is filled, after the filling, the plug (209) is re-retracted under the action of the spring block (208), and a sealing structure is formed again, so that conditions are provided for next elimination.

Technical Field

The invention relates to the technical field of water hammer eliminators, in particular to a water hammer eliminator for a water conservancy pipeline.

Background

The water hammer effect means that the inner wall of the water pipe is smooth and water flows freely inside the water pipe. When the opened valve is suddenly closed, the water flow generates a pressure on the valve and the pipe wall, mainly the valve. Because the pipe wall is smooth, the follow-up water flow quickly reaches the maximum under the action of inertia and generates a destructive effect.

The water supply device is particularly used for high-rise residents, the high-rise residents usually adopt a pressurization mode to supply water, so that the flow rate of the water is increased, the pipeline is impacted by a water hammer for a long time to damage a pipeline connector and the pipeline per se, the pipeline is damaged in the past, and the pipeline is buried underground, so that the maintenance is troublesome and the influence is large.

Patent CN101135408A discloses a water hammer eliminator, which mainly relates to a water pipe, and especially relates to a device for eliminating the water hammer or water hammer phenomenon in a water supply system and a liquid flow test device. A water hammer eliminator comprises a pipe body, two ends of which are provided with flange plates, and is characterized in that an inner hole of the pipe body is provided with a flexible inner pipe which is fixedly connected on the flange plates. The invention has the advantages of effectively eliminating water hammer or water hammer, and better and simpler protection of a water supply system and a liquid measurement test device.

The above-mentioned water hammer arrestor has the following disadvantages: when the water hammer eliminator is used, the water hammer effect is resisted in a mode of adopting a single-side piston, the eliminating capacity is weak, no good protection measures are provided, and the eliminator is easy to damage.

Disclosure of Invention

The invention aims to overcome the technical problem of the prior art and provides a water hammer eliminator for water conservancy pipelines, which integrally adopts a structure of two pistons, reduces the integral volume, greatly increases the capacity of eliminating the water hammer effect once the water hammer effect is counteracted, has good protection measures, can effectively protect the whole device without being damaged by water hammer waves when emergencies occur, has good sealing performance, and can realize sealing connection without externally connecting a waterproof adhesive tape.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a water hammer annihilator for water conservancy pipeline, includes the pipeline, still includes buffer gear, buffer gear specifically comprises surge bin, movable bin, gasbag storehouse, sealing block, spring telescopic link, sealing plug, baffle, spring block, end cap and piston, pipeline skin weld has the surge bin, movable bin has been seted up to the surge bin inner wall, the gasbag storehouse is installed to the surge bin inner wall, gasbag storehouse inner wall fixedly connected with sealing block, sealing block surface one side fixedly connected with spring telescopic link, spring telescopic link surface one side fixedly connected with sealing plug, the welding of sealing plug inner wall has the baffle, the welding of baffle surface one side has the spring block, spring block surface one side fixedly connected with end cap, movable bin surface fit sliding connection has the piston.

Preferably, still include coupling mechanism, coupling mechanism specifically comprises nut piece, thread groove, gasbag, contact piece and rubber pad.

Preferably, the nut block has all been welded to the pipeline surface left and right sides, the thread groove has been seted up to the nut block inner wall, thread groove surface mounting has the gasbag, gasbag fixed surface is connected with the contact piece, the rubber pad is installed to the nut block inner wall.

Preferably, the pipeline and the surface of the movable bin are provided with notches.

Preferably, the production operation of the water hammer eliminator for water conservancy pipelines comprises the following steps:

s1, find the family water pipe, be facing to the pipeline thread piece surface with the nut piece, let both carry out threaded connection, along with the continuous and nut piece intercombination of screw thread, nut piece surface bulge position can insert in the thread groove of nut piece inner wall, and produce the extrusion to the contact block, can let contact block firm laminating form seal structure at the thread surface under the effect of gasbag, and deformation can take place for the gasbag after the extrusion, these deformations can outwards extrude the rubber pad, at this moment can let the tight laminating of rubber pad form secondary seal structure in main water mouth of pipe, through double seal structure, great increase holistic leakproofness, the effectual outer hourglass of water that has prevented.

S2, when the water hammer is used normally, flowing water passes through the pipeline, the movable bin is filled with the flowing water through the notch, the positions of the two pistons in the movable bin are adjusted according to the water pressure, once the water hammer effect occurs, water hammer waves act on the pistons, the pistons are driven by the water hammer wave bands to compress air on two sides, and therefore the water hammer effect is counteracted.

S3, once the water hammer impact is too large, the piston is driven to move and displace greatly, under the action of the reaction force of compressed gas, the elastic force generated by the spring telescopic rod can be overcome, so that the sealing plug is separated from the surface of the sealing block to form an air leakage port, because the aperture of the sealing block is small, and the exhaust speed is slow under the blocking action of the sealing plug, the water hammer is converted into friction heat through the friction generated between air and the sealing block and finally dissipated, after the resistance is finished, the sealing plug and the sealing block are combined with each other again by the spring telescopic rod to form a sealing structure, the plug can be driven to move forwards under the action of negative pressure, the air in the air bag bin is absorbed again, the movable bin is filled, after the filling is finished, the plug is retracted again under the action of the spring block, the sealing structure is formed again, and conditions are provided for the next elimination.

The invention has the following beneficial effects: when in normal use, flowing water passes through the pipeline and is filled into the movable bin through the notch, the positions of the two pistons in the movable bin are adjusted according to the size of water pressure, and once a water hammer effect occurs, the water shock wave acts on the piston, the piston can be moved by the water shock wave band to compress air at two sides, so as to counteract the water hammer effect, once the water shock wave is too large to drive the piston to move and displace greatly, the elastic force generated by the spring telescopic rod can be overcome under the action of the reaction force of the compressed air, so that the sealing plug is separated from the surface of the sealing block to form an air leakage port, because the caliber of the sealing block is smaller, and the air exhaust speed is slower under the blocking action of the sealing plug, the water shock wave is converted into friction heat to be finally dissipated through the friction generated between the air and the sealing block, after the resistance is finished, the spring telescopic rod re-combines the sealing plug and the sealing block with each other to form a sealing structure, and the plug can be driven to move forwards under the action of negative pressure to re-absorb the air in the air bag bin to fill the movable bin, and after the filling is finished, the plug is re-retracted under the action of the spring block, form seal structure again, for eliminating the condition that provides next time, through double seal structure, great increase holistic leakproofness, the effectual outer hourglass that has prevented water, need not external supplementary sealing device when connecting like this and can realize sealing connection, great reduction the use degree of difficulty to there is fine safeguard measure, and the effectual damage of having prevented to whole device production because of proruption water shock wave.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a water hammer arrestor for water conservancy pipelines according to the present invention;

FIG. 2 is a schematic view of the inner wall structure of the air bag chamber of the water hammer arrestor box body for water conservancy pipelines in the invention;

fig. 3 is a schematic structural view of the inner wall of a nut block of the water hammer arrestor for a water conservancy pipeline.

In the figure: 1. a pipeline; 2. a buffer mechanism; 201. a buffer bin; 202. a movable bin; 203. an air bag chamber; 204. a sealing block; 205. a spring telescopic rod; 206. a sealing plug; 207. a baffle plate; 208. a spring block; 209. a plug; 210. a piston; 3. a connecting mechanism; 301. a nut block; 302. a thread groove; 303. an air bag; 304. a contact block; 305. a rubber pad; 4. and (4) a notch.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

A water hammer eliminator for a water conservancy pipeline comprises a pipeline 1 and a buffer mechanism 2, wherein the buffer mechanism 2 is composed of a buffer bin 201, a movable bin 202, an air bag bin 203, a sealing block 204, a spring telescopic rod 205, a sealing plug 206, a baffle plate 207, a spring block 208, a plug 209 and a piston 210, the surface of the pipeline 1 is welded with a buffer bin 201, the inner wall of the buffer bin 201 is provided with a movable bin 202, an air bag bin 203 is arranged on the inner wall of the buffer bin 201, a sealing block 204 is fixedly connected on the inner wall of the air bag bin 203, a spring expansion rod 205 is fixedly connected with one side of the surface of the sealing block 204, a sealing plug 206 is fixedly connected with one side of the surface of the spring expansion rod 205, a baffle plate 207 is welded on the inner wall of the sealing plug 206, a spring block 208 is welded on one side of the surface of the baffle plate 207, a plug 209 is fixedly connected to one side of the surface of the spring block 208, and a piston 210 is connected to the surface of the movable bin 202 in a sliding manner in a matching manner.

Preferably, the connecting mechanism 3 is further included, and the connecting mechanism 3 is specifically composed of a nut block 301, a threaded groove 302, an air bag 303, a contact block 304 and a rubber pad 305.

Preferably, the left side and the right side of the surface of the pipeline 1 are both welded with nut blocks 301, the inner wall of each nut block 301 is provided with a thread groove 302, the surface of each thread groove 302 is provided with an air bag 303, the surface of each air bag 303 is fixedly connected with a contact block 304, and the inner wall of each nut block 301 is provided with a rubber pad 305.

Preferably, the surface of the pipeline 1 and the movable cabin 202 is provided with a gap 4.

Preferably, the production operation of the water hammer eliminator for water conservancy pipelines comprises the following steps:

s1, find the family water pipe, with nut piece 301 facing to pipeline 1 screw block surface, let both carry out threaded connection, along with the continuous and nut piece 301 intercombination of screw thread, nut piece 301 surface bulge position can insert in the thread groove 302 of nut piece 301 inner wall, and produce the extrusion to contact block 304, can let contact block 304 firm laminating form seal structure at the screw surface under the effect of gasbag 303, and gasbag 303 after the extrusion can take place deformation, these deformations can outwards extrude rubber pad 305, at this moment can let rubber pad 305 closely laminate in main water mouth formation secondary seal structure, through double seal structure, great increase holistic leakproofness, the effectual outer hourglass of water that has prevented.

S2, when in normal use, flowing water passes through the pipeline 1, the movable bin 202 is filled with the flowing water through the notch 4, the positions of the two pistons 210 in the movable bin 202 are adjusted according to the water pressure, once the water hammer effect occurs, water hammer waves act on the pistons 210, and the pistons 210 are driven by the water hammer waves to compress air on two sides, so that the water hammer effect is counteracted.

S3, once the water hammer wave has too large impact and drives the piston 210 to move and displace greatly, under the action of the reaction force of the compressed gas, the elastic force generated by the spring expansion link 205 is overcome, so that the sealing plug 206 is separated from the surface of the sealing block 204 to form an air leakage port, because the aperture of the sealing block 204 is small, and the exhaust speed is slow under the blocking action of the sealing plug 206, the water hammer wave is converted into friction heat through the friction generated between the air and the sealing block 204 and is finally dissipated, after the resistance is finished, the spring expansion link 205 re-combines the sealing plug 206 and the sealing block 204 with each other to form a sealing structure, and under the action of negative pressure, the plug 209 is driven to move forwards to re-absorb the air in the air bag 303 bin, the movable bin 202 is filled, after the filling is finished, the plug 209 is re-retracted under the action of the spring block 208 to form a sealing structure again, providing conditions for the next elimination.

In summary, the following steps: the invention provides a water hammer eliminator for water conservancy pipelines, which is designed by integrally adopting a structure of two pistons to reduce the volume of the whole eliminator, and when the eliminator is used, a device is connected with a water pipe through a nut block, when the eliminator is connected, a thread of an external water pipe is inserted into a thread groove in the nut block, along with the continuous mutual combination of the thread and the nut block 301, a convex part on the surface of the nut block 301 is inserted into the thread groove 302 on the inner wall of the nut block 301 and extrudes a contact block 304, the contact block 304 is firmly attached to the surface of the thread to form a sealing structure under the action of an air bag 303, the extruded air bag 303 deforms, the rubber pad 305 is extruded outwards due to the deformation, the rubber pad 305 is tightly attached to a main water pipe port to form a secondary sealing structure, when the eliminator is normally used, flowing water passes through a pipeline 1 and is filled into a movable bin 202 through a gap 4, and the positions of the two pistons 210 in the movable bin 202 are adjusted according to the water pressure, once the water hammer effect occurs, the water hammer wave acts on the pistons 210, the pistons 210 can be moved by the water hammer wave band to compress the air at the two sides, so as to counteract the water hammer effect, once the water hammer wave impact is too large, the pistons 210 are driven to move and displace greatly, under the action of the reaction force of the compressed air, the elastic force generated by the spring telescopic rod 205 can be overcome, so that the sealing plug 206 is separated from the surface of the sealing block 204 to form an air leakage port, because the aperture of the sealing block 204 is small, and under the blocking action of the sealing plug 206, the exhaust speed is slow, through the friction generated between the air and the sealing block 204, the water hammer wave is converted into friction heat which is finally dissipated, after the resistance is finished, the spring telescopic rod 205 re-combines the sealing plug 206 and the sealing block 204 with each other to form a sealing structure, and under the action of negative pressure, the plug 209 can be driven to move forwards, absorb the air in the gasbag 303 storehouse again, fill movable bin 202, after finishing filling, withdraw end cap 209 again under spring block 208's effect, form seal structure again, for eliminating the condition next time, through double seal structure, great increase holistic leakproofness, the effectual outer hourglass that has prevented water, need not external supplementary sealing device when connecting like this and can realize sealing connection, great reduction the use degree of difficulty, and there is fine safeguard measure, and the effectual damage of preventing to whole device production because of proruption water impact wave.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.