CN111306393A

CN111306393A - Pipeline auxiliary device for reducing water hammer

Info

Publication number: CN111306393A
Application number: CN201911173974.9A
Authority: CN
Inventors: 赵晓栋; 杨婕; 王帅; 王影松
Original assignee: Yantai University
Current assignee: Hefei Longzhi Electromechanical Technology Co ltd
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2020-06-19
Anticipated expiration: 2039-11-26
Also published as: CN111306393B

Abstract

The invention provides a pipeline auxiliary device for reducing water hammer. A pipeline auxiliary device for reducing water hammer effect includes water delivery pump, water hammer mechanism, buffer gear, complementary unit, first elastic mechanism, second elastic mechanism, separates and keeps off the mechanism, sealed stop gear, the water delivery pump includes the pump body, inlet tube and outlet pipe fixed mounting are respectively in the both ends of the pump body, water hammer mechanism fixed mounting is in the upper end of outlet pipe, water hammer mechanism includes sleeve pipe, silicone tube, valve body, air inlet, gas outlet, baffle, opening, seal groove and sealing plug, the vertical fixed mounting in the upper end of outlet pipe of sleeve pipe, the silicone tube install in the intraductal portion of cover and with the outlet pipe intercommunication. The pipeline auxiliary device for reducing the water hammer has the advantages of protecting the safety of pipelines and equipment, prolonging the service life of the pipelines and equipment, reducing the maintenance cost of a closed pipeline system and improving the safety performance.

Description

Pipeline auxiliary device for reducing water hammer

Technical Field

The invention relates to the technical field of pipeline assistance, in particular to a pipeline auxiliary device for reducing water hammer.

Background

The water hammer refers to a phenomenon that large pressure fluctuation is caused and vibration is caused due to rapid change of fluid flow in a closed pipeline system. Also known as water hammer. The instantaneous pressure can greatly exceed the normal pressure and often produce destructive effects. In the using process of the pipeline, the pipeline is connected with different water delivery devices in the closed pipeline system, and the water hammer can be caused by opening and closing the water delivery devices in the closed pipeline system.

The water hammer can damage the pipeline and the water delivery equipment, the maintenance cost of the closed pipeline system is improved, and meanwhile, certain potential safety hazards are caused.

Therefore, there is a need to provide a new pipe auxiliary device for reducing water hammer to solve the above technical problems.

Disclosure of Invention

In order to solve the technical problems, the invention provides the pipeline auxiliary device for reducing the water hammer, which protects the safety of the pipeline and equipment, prolongs the service life of the pipeline and equipment, reduces the maintenance cost of a closed pipeline system and improves the safety performance.

The invention provides a pipeline auxiliary device for reducing water hammer, which comprises: the water delivery pump comprises a pump body, a water inlet pipe and a water outlet pipe, and the water inlet pipe and the water outlet pipe are respectively and fixedly arranged at two ends of the pump body; the water hammer resisting mechanism is used for resisting water hammer and is fixedly arranged at the upper end of the water outlet pipe, the water hammer resisting mechanism comprises a sleeve, a silicone tube, a valve body, an air inlet, an air outlet, a partition plate, an air port, a sealing groove and a sealing plug, the sleeve is vertically and fixedly arranged at the upper end of the water outlet pipe, the silicone tube is arranged inside the sleeve and is communicated with the water outlet pipe, the valve body is fixedly arranged at the upper end of the sleeve, the air inlet and the air outlet are respectively arranged at the upper end and the lower end of the valve body, the air outlet is communicated with the silicone tube, the partition plate is transversely and fixedly connected inside the valve body, the air port is vertically arranged in the partition plate, the sealing groove is arranged on the side wall of the lower side of the partition plate; the buffer mechanism for buffering is arranged at one end of the water inlet pipe, which is far away from the pump body, the buffer mechanism comprises a shell, a cavity, a first communicating pipe, a second communicating pipe, an installation pipe, a mounting plate, a first communicating pipe, a first buffering air bag, a second communicating pipe, a second buffering air bag, a buffer plate, a water through port, an annular baffle and a third buffering air bag, the cavity is arranged in the shell, the first communicating pipe and the second communicating pipe are respectively and fixedly arranged on the side walls at two sides of the shell and communicated with the cavity, one end of the second communicating pipe, which is far away from the shell, is fixedly communicated with the water inlet pipe, the installation pipe is inserted in the cavity and arranged close to the first communicating pipe, the mounting plate is fixedly connected in the installation pipe, the first communicating pipe and the second communicating pipe are transversely arranged in the mounting plate and communicated with the mounting plate, and the first buffering air bag, the second buffer air bag is fixedly arranged on the inner wall of one side, close to the second through groove, of the first through groove, the buffer plate is elastically connected with the side wall, close to the second communicating pipe, of the mounting plate, the water through port is transversely formed in the buffer plate, the annular baffle is fixedly arranged in the mounting pipe and is arranged close to the second communicating pipe, and the third buffer air bag is fixedly arranged on the side wall, close to the fixing plate, of the annular baffle; the auxiliary mechanism is used for assisting in buffering water hammer and is arranged in the buffer mechanism; the first elastic mechanism is used for the elastic resetting of the sealing plug and is fixedly arranged in the valve body; the second elastic mechanism for buffering is arranged in the buffering mechanism; the blocking mechanism is used for blocking the mounting pipe and fixedly mounting the blocking mechanism of the auxiliary mechanism in the buffer mechanism; and the sealing limiting mechanism is used for fixedly installing the pipe and the auxiliary mechanism and is fixedly installed in the buffer mechanism.

When the water delivery pump is suddenly closed, water flow in a water outlet pipe of the water delivery pump flows to a water delivery pipeline along with inertia to generate negative pressure inside the water delivery pipeline, the external pressure of the pipeline is greater than the internal pressure of the water outlet pipe to form a water hammer, the water outlet pipe and a pump body can be extruded to cause damage to the pump body and the water outlet pipe, when the internal pressures of the water outlet pipe and the water delivery pipeline generate negative pressure, the external pressure is greater than the internal pressure, the sealing plate in the sealing groove generates thrust through the air inlet to push the sealing plate out of the sealing groove, so that the air inlet, the air opening, the sealing groove and the air outlet are communicated, external air flow enters the water outlet pipe through the valve body and the silicone tube to reduce the internal pressure of the water outlet pipe and the water delivery pipeline, thereby the impact force generated by the water hammer is reduced, the device is closed and opened to cut off and dredge water flow, when a valve is closed firstly and the valve body is closed later, the pump body still can convey water flow into the water conveying pipeline, so that the internal pressure of the water outlet pipe and the water conveying pipeline is increased, extrusion force can be caused to the pump body, the water outlet pipe, the water conveying pipeline and valve equipment to cause damage of the pump body, under the condition, the pressure in the valve body is stronger than the external pressure, a sealing plate is still arranged in a sealing groove to realize isolation from the outside, the silicone tube can be deformed by redundant strong force to expand and increase, so that the internal pressure is relieved, the impact force of a water hammer is relieved, the water conveying pump, the water conveying pipeline and the valve equipment are protected, the expansion degree of the silicone tube is limited by a sleeve, and when the internal pressure and the external strong pressure difference of the pipeline are larger, the device can realize the protection of the water conveying pump, the one-way valve mechanism and the silicone tube which are composed of the port, the sealing groove, the sealing plug and the first elastic mechanism can well dredge pressure and slow down the impact force formed by the water hammer, so that the safety of each device is protected, the water hammer resistance is good, the service life of the device is prolonged, the maintenance cost of a closed pipeline system is reduced, and the safety performance is improved;

preferably, the auxiliary mechanism comprises a rubber plate and a labyrinth water guide groove, the rubber plate for assisting in buffering water hammer is inserted into the cavity and is arranged close to the second communicating pipe, the labyrinth water guide groove for guiding water is arranged in the rubber plate, and openings at two ends of the labyrinth water guide groove are respectively arranged on two side walls, close to the mounting pipe and the second communicating pipe, of the rubber plate. Rivers are through the installation pipe after, the rubber slab can further slow down the impact force of rivers, rivers are carried in getting into the water delivery pump from the second communicating pipe through the maze guiding gutter, the setting up of maze guiding gutter makes the flow path of water in the casing lengthen, further absorb the temperature rivers flow path that the intraductal flowing water of balance is elongated to the water hammer simultaneously, thereby better carry out heat transfer to the pipeline inside, make the pipeline keep on relative balanced position with the temperature as early as possible, reduce the influence of expend with heat and contract with cold to the body, the setting up of maze guiding gutter has increased the noise propagation route that rivers impact produced, noise transfer energy weakening has been reduced simultaneously and noise transmission scope is dwindled.

Preferably, the first elastic mechanism comprises a fixing block, a fixing rod, a first sliding groove, a first sliding rod and a first spring, the fixing block is fixedly installed inside the valve body and located below the partition plate, the fixing rod is vertically and fixedly installed at the upper end of the fixing block, the first sliding groove is vertically arranged in the fixing rod, the upper end of the first sliding rod is fixedly connected with the lower end of the sealing plug, and the lower end of the first sliding rod is inserted into the first sliding groove and connected with the inner wall of the lower side of the first sliding groove through the first spring. When the external pressure is greater than the internal pressure to a certain degree, the external pressure presses air into the valve body from the air inlet, the sealing plate is extruded to be separated from the sealing groove, the valve body is ventilated, the external pressure and the internal pressure are neutralized, the negative pressure inside the pipeline is reduced, when the internal pressure is equal to or greater than the external pressure, the sealing plate is located in the sealing groove under the elastic force of the first spring and seals the valve body, the valve body and all parts connected inside the valve body form a one-way valve structure, the silicone tube in the sleeve is matched, the internal pressure of the pipeline is well dredged and neutralized, the impact force formed by a water hammer is reduced, and the safety of all equipment is protected.

Preferably, the second elastic mechanism comprises a second sliding chute, a second sliding rod and a second spring, the second sliding chute is transversely arranged in the mounting plate, one end of the second sliding rod is fixedly connected with the side wall of the buffer plate, and the other end of the second sliding rod is inserted into the second sliding chute and is connected with the inner wall of the second sliding chute through the second spring. Under the elastic force effect of second spring plate, the impact force of water impact on the buffer board slows down to slow down the impact force of water hammer and protect the buffer board.

Preferably, separate and keep off the mechanism and include fixed plate and water guide mouth for the vertical fixed mounting of fixed plate of separation installation pipe and complementary unit is in the cavity, and installation pipe and rubber slab are located the both sides setting of fixed plate respectively, and the water guide mouth that is used for rivers to pass through transversely sets up in the fixed plate.

Preferably, sealed stop gear includes sealed lid, first stopper and second stopper for sealed lid fixed mounting in the opening part of cavity, be used for the first stopper of restriction installation pipe and rubber slab and the equal fixed mounting of second stopper on the downside lateral wall of sealed lid, and first stopper and second stopper respectively with the upside lateral wall counterbalance setting of installation pipe and rubber slab. Seal up the opening of cavity through sealed lid, restrict installation pipe and rubber slab respectively through first stopper and second stopper simultaneously, make its stable installation in the cavity, the setting up of first stopper and second stopper has improved the stability of installation pipe and rubber slab installation in the cavity.

Compared with the related art, the pipeline auxiliary device for reducing the water hammer has the following beneficial effects:

1. when the pressure intensity inside the water outlet pipe and the external strong pressure difference are large, the device conducts pressure well through the one-way valve mechanism and the silicone tube, and reduces the impact force formed by the water hammer, so that the safety of each device is protected, the device has good water hammer resistance, the service life of the device is prolonged, the maintenance cost of a closed pipeline system is reduced, the safety performance is improved, the water hammer generated by water flow is absorbed through the first buffer air bag, the second buffer air bag, the third buffer air bag, the buffer plate and the like, the noise formed by the water flow impacting the pipeline is reduced, and the condition that the water hammer impacts the pipeline to deform or damage is avoided;

2. the rubber plate can further slow down the impact force of water flow by arranging the auxiliary mechanism, the water flow enters the water delivery pump from the second communicating pipe through the labyrinth water guide groove to be delivered, the flow path of the water body in the shell is lengthened by arranging the labyrinth water guide groove, the water hammer is further absorbed, and the temperature of the water body flowing in the pipe is balanced by absorbing the temperature of water in the pipe, so that the influence of expansion with heat and contraction with cold on the pipe body is reduced, the noise transmission path generated by water flow impact is enlarged by arranging the labyrinth water guide groove, and the noise transmission range is narrowed by weakening noise transmission energy;

3. the mounting pipe and the rubber plate are blocked by the fixing plate, so that the mounting pipe and the rubber plate are respectively mounted at two different positions of the cavity, the mounting pipe and the rubber plate are conveniently aligned and mounted when the mounting pipe and the rubber plate are mounted, the mounting positions of the two devices are clearly known, and water flow passing through the mounting pipe enters the rubber plate through the water guide port;

4. the opening of the cavity is sealed through the sealing cover, and the installation pipe and the rubber plate are limited through the first limiting block and the second limiting block respectively, so that the installation pipe and the rubber plate are stably installed in the cavity, and the stability of the installation pipe and the rubber plate in the cavity is improved.

Drawings

FIG. 1 is a schematic structural view of a preferred embodiment of a piping aid for reducing water hammer in accordance with the present invention;

FIG. 2 is a schematic structural view of a portion of the cushioning mechanism shown in FIG. 1;

FIG. 3 is a schematic structural diagram of the first elastic mechanism shown in FIG. 1;

fig. 4 is a schematic structural view of a portion a shown in fig. 1.

Reference numbers in the figures: 1. a water delivery pump 11, a pump body 12, a water inlet pipe 13, a water outlet pipe 2, a water hammer resistant mechanism 21, a sleeve pipe 22, a silicone tube 23, a valve body 24, an air inlet 25, an air outlet 26, a partition plate 27, an opening 28, a sealing groove 29, a sealing plug 3, a buffer mechanism 31, a shell 32, a cavity 33, a first communication pipe 34, a second communication pipe 35, a mounting pipe 36, a mounting plate 37, a first through groove 38, a first buffer air bag 39, a second through groove 39a, a second buffer air bag 39b, a buffer plate 39c, a water through opening 39d, a ring-shaped baffle plate 39e, a third buffer air bag 4, an auxiliary mechanism 41, a rubber plate 42, a labyrinth water guide groove 5, a first elastic mechanism 51, a fixing block 52, a fixing rod 53, a first sliding groove 54, a first sliding rod 55, a first spring 6 and a second elastic mechanism, 61. the device comprises a second sliding chute, 62, a second sliding rod, 63, a second spring, 7, a blocking mechanism, 71, a fixing plate, 72, a water guide opening, 8, a sealing limiting mechanism, 81, a sealing cover, 82, a first limiting block, 83 and a second limiting block.

Detailed Description

The invention is further described with reference to the following figures and embodiments.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of a pipeline auxiliary device for reducing water hammer according to the present invention; FIG. 2 is a schematic structural view of a portion of the cushioning mechanism shown in FIG. 1; FIG. 3 is a schematic structural diagram of the first elastic mechanism shown in FIG. 1; fig. 4 is a schematic structural view of a portion a shown in fig. 1. A plumbing fixture for reducing water hammer comprising: the water delivery pump comprises a water delivery pump 1, a water hammer resistant mechanism 2, a buffer mechanism 3, an auxiliary mechanism 4, a first elastic mechanism 5, a second elastic mechanism 6, a blocking mechanism 7 and a sealing limiting mechanism 8.

In the specific implementation process, as shown in fig. 1, fig. 2, fig. 3 and fig. 4, the water delivery pump 1 includes a pump body 11, a water inlet pipe 12 and a water outlet pipe 13, the water inlet pipe 12 and the water outlet pipe 13 are respectively and fixedly installed at two ends of the pump body 11, the water inlet pipe 12 and the water outlet pipe 13 form a basic water delivery pump 1 for delivering water to a pipeline;

the water hammer resisting mechanism 2 for resisting water hammer is fixedly arranged at the upper end of the water outlet pipe 13, the water hammer resisting mechanism 2 comprises a sleeve 21, a silicone tube 22, a valve body 23, an air inlet 24, an air outlet 25, a partition plate 26, a through opening 27, a sealing groove 28 and a sealing plug 29, the sleeve 21 is vertically and fixedly arranged at the upper end of the water outlet pipe 13, the silicone tube 22 is arranged inside the sleeve 21 and communicated with the water outlet pipe 13, the valve body 23 is fixedly arranged at the upper end of the sleeve 21, the air inlet 24 and the air outlet 25 are respectively arranged at the upper end and the lower end of the valve body 23, the air outlet 25 is communicated with the silicone tube 22, the partition plate 26 is transversely and fixedly connected inside the valve body 23, the through opening 27 is vertically arranged in the partition plate 26, the sealing groove 28 is arranged on the side wall of the lower side of the partition plate 26 and communicated with the through opening, when the water delivery pump 1 is suddenly closed, water flow in the water delivery pump 13 flows to the water delivery pipeline along with inertia to generate negative pressure inside the water delivery pump, the external pressure of the pipeline is greater than the internal pressure of the water delivery pump 13 to form a water hammer, the water hammer can extrude the water delivery pipe 13 and the pump body 11 to damage the pump body 11 and the water delivery pipe 13, when negative pressure is generated inside the water delivery pipe 13 and the water delivery pipeline, the external pressure is greater than the internal pressure, the sealing plate 29 in the sealing groove 28 is pushed out of the sealing groove 28 through the air inlet 24 to enable the air inlet 24, the through hole 27, the sealing groove 28 and the air outlet 25 to be communicated, external air flow enters the water delivery pipe 13 through the valve body 23 and the silicone tube 22 to reduce the internal pressure of the water delivery pipe 13 and the water delivery pipeline, so that impact force generated by the water hammer is relieved, and the pump body 11, the water delivery pipe 13, the damage of the connecting equipment is prevented, the other end of the water pipeline connected with the water outlet pipe 13 is generally connected with the valve equipment, the water pipeline is closed and opened, the water flow is cut off and dredged, when the valve is closed firstly and the pump body 11 is closed later, the pump body 11 still conveys the water flow into the water pipeline, so that the internal pressure of the water outlet pipe 13 and the water pipeline is increased, the extrusion force can be caused on the pump body 11, the water outlet pipe 13, the water pipeline and the valve equipment, and the valve equipment is damaged, in this case, the pressure in the valve body 23 is stronger than the external pressure, the sealing plate 29 is still in the sealing groove 28, the isolation from the outside is realized, the silicone tube 22 is deformed by the redundant strong force, the expansion of the silicone tube 22 is increased, the internal pressure is reduced, the impact force of a water hammer is reduced, the water delivery pump 1, the water pipeline and the valve equipment are protected, and the, when the pressure intensity inside the pipeline and the external strong pressure difference are large, the pressure is well dredged through the one-way valve mechanism consisting of the one-way valve mechanism valve body 23, the air inlet 24, the air outlet 25, the partition plate 26, the through hole 27, the sealing groove 28, the sealing plug 29 and the first elastic mechanism 5 and the silicone tube 22, and the impact force formed by the water hammer is relieved, so that the safety of each device is protected, the device has good water hammer resistance, the service life of the device is prolonged, the maintenance cost of a closed pipeline system is reduced, and the safety performance is improved;

the buffer mechanism 3 for buffering is arranged at one end of the water inlet pipe 12 far away from the pump body 11, the buffer mechanism 3 comprises a shell 31, a cavity 32, a first communicating pipe 33, a second communicating pipe 34, a mounting pipe 35, a mounting plate 36, a first through groove 37, a first buffer air bag 38, a second through groove 39, a second buffer air bag 39a, a buffer plate 39b, a water through port 39c, an annular baffle plate 39d and a third buffer air bag 39e, the cavity 32 is arranged in the shell 31, the first communicating pipe 33 and the second communicating pipe 34 are respectively fixedly arranged on the side walls of two sides of the shell 31 and communicated with the cavity 32, one end of the second communicating pipe 34 far away from the shell 31 is fixedly communicated with the water inlet pipe 12, the mounting pipe 35 is inserted in the cavity 32 and arranged close to the first communicating pipe 33, the mounting plate 36 is fixedly connected in the mounting pipe 35, the first through groove 37 and the second through groove 39 are transversely arranged in the mounting plate, the first buffering air bag 38 is fixedly arranged on one side wall of the mounting plate 36 close to the first communicating pipe 33, the second buffering air bag 39a is fixedly arranged on one side inner wall of the first communicating groove 37 close to the second communicating groove 39, the buffering plate 39b is elastically connected with one side wall of the mounting plate 36 close to the second communicating pipe 34, the water through port 39c is transversely arranged in the buffering plate 39b, the annular baffle 39d is fixedly arranged in the mounting pipe 35 and close to the second communicating pipe 34, the third buffering air bag 39e is fixedly arranged on one side wall of the annular baffle 39c close to the fixing plate 36, the shell 31 is connected with the water delivery pump 1 through the second communicating pipe 34, the first communicating pipe 33 is connected with the water suction pipeline, so that the water delivery pump 1 is communicated with the shell 31 and the water delivery pipeline, when the water delivery pump 1 starts to work, the pump body 11 generates suction force to suck water through the water suction pipeline, when water flow enters the cavity 32 through the first communication pipe 33, the water flow first impacts the mounting plate 35, a water hammer formed by the water flow is slowed down by the first buffering air bag 38, most of the water flow enters the first through groove 37 and impacts the buffer plate 39b through the second through groove 39, the water hammer generated by the water flow is secondarily slowed down by the second buffering air bag 39a in the first through groove 37, when the water flow impacts the buffer plate 39b, the water hammer generated by the water flow is thirdly buffered by the second elastic mechanism 6, the water flow impacts the buffer plate 39d, so that the water flow is limited to be displaced to the annular baffle plate 39d, the impact force of the buffer plate 39b is buffered through the third buffering air bag 39e, when the buffer plate 29b blocks the rear end opening of the mounting pipe 35, the water flow flows into the subsequent cavity 32 through the water through port 39c and is conveyed to the next section of water conveying equipment through the water pump 1 through the second connection pipe 34 by the auxiliary mechanism 4, this device absorbs the water hammer that rivers produced through first buffering gasbag 38, second buffering gasbag 39a, third buffering gasbag 39e and buffer board 39b etc. slows down the noise that rivers impact the pipeline and form and avoids the water hammer to impact the pipeline and produce circumstances such as deformation or damage.

Referring to fig. 1, an auxiliary mechanism 4 for assisting in buffering water hammer is installed in the buffer mechanism 3, the auxiliary mechanism 4 includes a rubber plate 41 and a labyrinth water guide groove 42, the rubber plate 41 for assisting in buffering water hammer is inserted into the cavity 32 and is disposed near the second communication pipe 34, the labyrinth water guide groove 42 for guiding water is opened in the rubber plate 41, openings at two ends of the labyrinth water guide groove 42 are respectively disposed at two side walls of the rubber plate 41 near the installation pipe 35 and the second communication pipe 34, the rubber plate 41 seals the second communication pipe 34, so that the labyrinth water guide groove 42 in the cavity 32 is communicated with the second communication pipe 34 only, after water passes through the installation pipe 35, the impact force of the water flow is further reduced by the rubber plate 41, the water flow enters the water transfer pump 1 from the second communication pipe 34 through the labyrinth water guide groove 42 for transferring water, the labyrinth water guide groove 42 is disposed to lengthen a flow path of the water in the housing 31, meanwhile, the water hammer is further absorbed, and the temperature water flow path of the water flowing in the pipe is balanced by absorbing the temperature of the water in the pipe, so that the heat transfer is better carried out inside the pipeline, the pipeline is kept in a relatively balanced position with the water temperature as soon as possible, the influence of thermal expansion and cold contraction on the pipe body is reduced, the noise propagation path generated by water flow impact is increased by the arrangement of the labyrinth water guide groove 42, and the noise transfer energy weakening is reduced to reduce the noise transfer range.

Referring to fig. 3, the first elastic mechanism 5 for elastically restoring the sealing plug 29 is fixedly installed inside the valve body 1, the first elastic mechanism 5 includes a fixed block 51, a fixed rod 52, a first sliding groove 53, a first sliding rod 54 and a first spring 55, the fixed block 51 is fixedly installed inside the valve body 23 and located below the partition 26, the fixed rod 52 is vertically and fixedly installed at the upper end of the fixed block 51, the first sliding groove 53 is vertically opened in the fixed rod 52, the upper end of the first sliding rod 54 is fixedly connected with the lower end of the sealing plug 29, the lower end of the first sliding rod 54 is inserted into the first sliding groove 53 and connected with the lower inner wall of the first sliding groove 53 through the first spring 55, the first elastic mechanism 5 is installed in the valve body 23, the first sliding rod 54 is enabled to extrude the sealing plate 29 through the first spring 55, the sealing plate 29 is located in the sealing groove 28, the sealing of the valve body 23 is maintained, when the external pressure is greater, the external pressure presses air into the valve body 23 from the air inlet 24, the sealing plate 29 is extruded to be separated from the sealing groove 28, the valve body 23 is ventilated, the external pressure and the internal pressure are neutralized, the negative pressure condition inside a pipeline of the valve body is relieved, when the internal pressure is equal to or greater than the external pressure, the sealing plate 29 is located in the sealing groove 28 under the elastic force of the first spring 55, the valve body 23 is sealed, the valve body 23 and all parts connected inside the valve body form a one-way valve structure, the silicone tube 22 in the sleeve 21 is matched, the internal pressure of the pipeline is well dredged and neutralized, the impact force formed by a water hammer is relieved, and the safety of all devices is protected.

Referring to fig. 4, the second elastic mechanism 6 for buffering is provided in the buffering mechanism 3, the second elastic mechanism 6 includes a second sliding groove 61, a second sliding rod 62 and a second spring 63, the second sliding groove 61 is transversely provided in the mounting plate 26, one end of the second sliding rod 62 is fixedly connected to the side wall of the buffering plate 39b, and the other end of the second sliding rod 62 is inserted into the second sliding groove 61 and connected to the inner wall of the second sliding groove 61 through the second spring 63, when water flow impacts the buffering plate 39b through the second through groove 39, the second sliding rod 62 stretches the second spring 63, and under the elastic force of the second spring plate 63, the impact force of the water flow on the buffering plate 39b is relieved, so as to relieve the impact force of the water hammer and protect the buffering plate 39 b.

Referring to fig. 1, the blocking mechanism 7 for blocking the installation tube 35 and the auxiliary mechanism 4 is fixedly installed in the buffer mechanism 3, the blocking mechanism 7 includes a fixing plate 71 and a water guiding opening 72, the fixing plate 71 for blocking the installation tube 35 and the auxiliary mechanism 4 is vertically and fixedly installed in the cavity 32, the installation tube 35 and the rubber plate 41 are respectively located on two sides of the fixing plate 71, the water guiding opening 72 for water flow to pass through is transversely opened in the fixing plate 71, the installation tube 35 and the rubber plate 41 are blocked by the fixing plate 71, so that the installation tube 35 and the rubber plate 41 are respectively installed at two different positions of the cavity 32, when the installation tube 35 and the rubber plate 41 are installed, the installation positions of the two devices are clearly known, the alignment installation of the installation tube 35 and the rubber plate 41 is facilitated, and water flow passing through the installation tube 35 enters the rubber plate 41 through the water guiding opening 72.

Referring to fig. 1, the seal limiting mechanism 8 for fixedly mounting the pipe 35 and the auxiliary mechanism 4 is fixedly mounted in the buffer mechanism 3, the sealing and limiting mechanism 8 comprises a sealing cover 81, a first limiting block 82 and a second limiting block 83, a sealing cover 81 for sealing is fixedly arranged at the opening of the cavity 32, a first limit block 82 and a second limit block 83 for limiting the installation pipe 35 and the rubber plate 41 are fixedly arranged on the lower side wall of the sealing cover 81, and the first stopper 82 and the second stopper 83 are respectively disposed against the upper side walls of the mounting pipe 35 and the rubber plate 41, the opening of the cavity 32 is sealed by the sealing cover 81, meanwhile, the first limit block 82 and the second limit block 83 respectively limit the installation pipe 35 and the rubber plate 41, so that the installation pipe and the rubber plate are stably installed in the cavity 32, the provision of the first stopper 82 and the second stopper 83 improves the stability of the mounting pipe 35 and the rubber plate 41 in the cavity 32.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or applied directly or indirectly to other related technical fields, are included in the scope of the present invention.

Claims

1. A plumbing fixture for reducing water hammer, comprising: the water delivery pump comprises a water delivery pump (1), a buffer mechanism (3) connected with the water delivery pump (1), and an auxiliary mechanism (4), a second elastic mechanism (6) and a blocking mechanism (7) which are respectively installed in the buffer mechanism (3), wherein the water delivery pump (1) comprises a pump body (11), a water inlet pipe (12) and a water outlet pipe (13), and the water inlet pipe (12) and the water outlet pipe (13) are respectively and fixedly installed at two ends of the pump body (11); the upper end of the water outlet pipe (13) is provided with a water hammer resistant mechanism (2), the water hammer resistant mechanism (2) comprises a sleeve (21), a silicone tube (22), a valve body (23), an air inlet (24), an air outlet (25), a partition plate (26), a through hole (27), a sealing groove (28) and a sealing plug (29), the sleeve (21) is vertically and fixedly arranged at the upper end of the water outlet pipe (13), the silicone tube (22) is arranged inside the sleeve (21) and communicated with the water outlet pipe (13), the valve body (23) is fixedly arranged at the upper end of the sleeve (21), the air inlet (24) and the air outlet (25) are respectively arranged at the upper end and the lower end of the valve body (23), and gas outlet (25) and silicone tube (22) intercommunication setting, inside baffle (26) horizontal fixed connection in valve body (23), establish first elastic mechanism (5) in valve body (23).

2. The piping aid for reducing water hammer as set forth in claim 1, characterized in that the through opening (27) opens vertically in the partition (26), the sealing groove (28) opens on the lower side wall of the partition (26) and communicates with the through opening (27), and the sealing plug (29) is inserted in the sealing groove (28) and disposed against the junction of the sealing groove (28) and the through opening (27).

3. The pipeline auxiliary device for reducing the water hammer as recited in claim 1, wherein the auxiliary mechanism (4) comprises a rubber plate (41) and a labyrinth water guiding groove (42), the rubber plate (41) is inserted into the cavity (32) and is arranged close to the second communicating pipe (34), the labyrinth water guiding groove (42) is arranged in the rubber plate (41), and openings at two ends of the labyrinth water guiding groove (42) are respectively arranged at two side walls of the rubber plate (41) close to the mounting pipe (35) and the second communicating pipe (34).

4. The pipeline auxiliary device for reducing the water hammer as recited in claim 2, wherein the first elastic mechanism (5) comprises a fixed block (51), a fixed rod (52), a first sliding chute (53), a first sliding rod (54) and a first spring (55), the fixed block (51) is fixedly installed inside the valve body (23) and below the partition plate (26), the fixed rod (52) is vertically and fixedly installed at the upper end of the fixed block (51), the first sliding chute (53) is vertically arranged in the fixed rod (52), the upper end of the first sliding rod (54) is fixedly connected with the lower end of the sealing plug (29), and the lower end of the first sliding rod (54) is inserted in the first sliding chute (53) and is connected with the lower inner wall of the first sliding chute (53) through the first spring (55).

5. The pipeline auxiliary device for reducing water hammer as recited in claim 1, wherein the buffer mechanism (3) comprises a housing (31), a cavity (32), a first communicating pipe (33), a second communicating pipe (34), a mounting pipe (35), a mounting plate (36), a first through groove (37), a first buffer air bag (38), a second through groove (39), a second buffer air bag (39a), a buffer plate (39b), a water through port (39c), an annular baffle plate (39d) and a third buffer air bag (39e), the cavity (32) is opened in the housing (31), the first communicating pipe (33) and the second communicating pipe (34) are respectively and fixedly mounted on the side walls of two sides of the housing (31) and communicated with the cavity (32), and one end of the second communicating pipe (34) far away from the housing (31) is fixedly communicated with the water inlet pipe (12), the installation pipe (35) is inserted into the cavity (32) and is arranged close to the first communicating pipe (33), the installation plate (36) is fixedly connected into the installation pipe (35), the first communicating groove (37) and the second communicating groove (39) are transversely formed in the installation plate (36) and are communicated with each other, the first buffering air bag (38) is fixedly installed on one side wall, close to the first communicating pipe (33), of the installation plate (36), the second buffering air bag (39a) is fixedly installed on one side inner wall, close to the second communicating groove (39), of the first communicating groove (37), the buffering plate (39b) is elastically connected with the installation plate (36) and is close to one side wall of the second communicating pipe (34), the water through hole (39c) is transversely formed in the buffering plate (39b), the annular baffle plate (39d) is fixedly installed in the installation pipe (35) and is arranged close to the second communicating pipe (34), the third buffer air bag (39e) is fixedly arranged on the side wall of the annular baffle plate (39c) close to the fixed plate (36).

6. The pipeline assisting device for reducing the water hammer as recited in claim 1, wherein the second elastic mechanism (6) comprises a second sliding chute (61), a second sliding rod (62) and a second spring (63), the second sliding chute (61) is transversely arranged in the mounting plate (26), one end of the second sliding rod (62) is fixedly connected with the side wall of the buffer plate (39b), and the other end of the second sliding rod (62) is inserted in the second sliding chute (61) and connected with the inner wall of the second sliding chute (61) through the second spring (63).

7. The pipeline auxiliary device for reducing water hammer as recited in claim 2, wherein the baffle mechanism (7) comprises a fixing plate (71) and a water guide opening (72), the fixing plate (71) is vertically and fixedly installed in the cavity (32), the installation pipe (35) and the rubber plate (41) are respectively arranged on two sides of the fixing plate (71), and the water guide opening (72) is transversely arranged in the fixing plate (71).

8. The pipeline auxiliary device for reducing the water hammer as recited in claim 2, wherein the sealing limiting mechanism (8) comprises a sealing cover (81), a first limiting block (82) and a second limiting block (83), the sealing cover (81) is fixedly installed at the opening of the cavity (32), the first limiting block (82) and the second limiting block (83) are both fixedly installed on the lower side wall of the sealing cover (81), and the first limiting block (82) and the second limiting block (83) are respectively abutted against the upper side wall of the mounting pipe (35) and the rubber plate (41).