CN-121993741-A - Flow self-adaptive adjusting device for water supply and drainage branch pipe

CN121993741ACN 121993741 ACN121993741 ACN 121993741ACN-121993741-A

Abstract

The invention discloses a self-adaptive flow regulating device for a water supply and drainage branch pipe, which belongs to the technical field of water supply and drainage pipeline equipment and comprises a water supply and drainage branch pipe body, wherein a flow regulating unit is arranged on the inner side of the water supply and drainage branch pipe body through a mounting component, the flow regulating unit comprises a self-adaptive regulating component for self-adaptively regulating according to the flow of water supply and drainage, the flow regulating unit also comprises a branch pipe protecting component for preventing the branch pipe from being damaged due to overlarge water flow, a water outlet is regulated through the flow of a gradient aperture, a water flow impact column sliding under the impact force of water flow and a resistance spring providing reverse resistance are matched, a purely mechanical flow self-adaptive regulating structure is constructed, the gradual regulation of the flow area can be realized according to the flow of water flow, different water flow working conditions are effectively adapted, the water flow siltation under low flow is avoided, the impact of water flow to the branch pipe under medium and large flow is reduced, and the stable flow of the branch pipe under different flow working conditions is realized.

Inventors

WANG YANHE
ZHAO LEI
HU YINGJIE
JIANG JINGYAN
ZHANG KEMING
JIA HONGYU

Assignees

济南市水务服务中心(济南市节约用水服务中心)

Dates

Publication Date: 20260508
Application Date: 20260401

Claims (10)

1. The self-adaptive flow regulating device for the water supply and drainage branch pipes is characterized by comprising a water supply and drainage branch pipe body (1), wherein a flow regulating unit (2) is arranged on the inner side of the water supply and drainage branch pipe body (1) through a mounting component (3), the flow regulating unit (2) comprises a self-adaptive regulating component for self-adaptively regulating according to the flow of water supply and drainage, and the flow regulating unit (2) further comprises a branch pipe protection component for preventing damage to the branch pipes caused by overlarge water flow.
2. The self-adaptive flow regulating device for the branch water supply and drainage pipes of claim 1, wherein the self-adaptive flow regulating assembly comprises a flow regulating pipe (21) which is arranged inside the branch water supply and drainage pipe body (1) in a fitting mode, a flow regulating water outlet (22) is formed in the flow regulating pipe (21), a water flow impact column (23) is arranged on the inner side of the flow regulating pipe (21) in a fitting and sliding mode, a guide groove (25) is formed in the inner side of the water flow impact column (23), a guide ring (24) is connected on the inner side of the guide groove (25) in a sliding mode, and a resistance spring (26) is arranged on one side of the water flow impact column (23).
3. The device for adaptively adjusting the flow of the branched water supply and drainage pipe according to claim 2, wherein one end of the water flow impact column (23) is hemispherical, three groups of flow adjusting water outlets (22) are arranged, and each aperture size of the three groups of flow adjusting water outlets (22) is different and is divided into a small size, a medium size and a large size.
4. A flow self-adaptive adjusting device of a water supply and drainage branch pipe is characterized in that one end of a resistance spring (26) is fixedly arranged on one side, far away from a hemispherical shape, of a water flow impact column (23), and a guide ring (24) slides on the inner side of a flow adjusting pipe (21) through a guide groove (25) and is used for guiding the flow adjusting pipe (21) when impacted by water flow.
5. The device for adaptively adjusting the flow of the branch water supply and drainage pipe of claim 4, wherein the branch pipe protection component comprises a fixed shell (27) which is arranged at one end, far away from the water flow impact column (23), of a guide ring (24), one side of the fixed shell (27) is connected with a fixed ring (28), the inner side of the fixed ring (28) is connected with an emergency slide rod (29), one end of the emergency slide rod (29) is connected with a piston block (210), a hydraulic pipe (211) is arranged at the inner side of the fixed shell (27), a hydraulic connecting pipe (212) is arranged at the outer side of the hydraulic pipe (211) in a penetrating manner, a piston rod (213) is connected at the inner side of one end of the hydraulic connecting pipe (212), one end of the piston rod (213) is connected with a blocking block (214), and a blocking piece (215) is connected at the outer side, close to the piston rod (213), of the blocking block (214).
6. The device for adaptively adjusting the flow of the branch water supply and drainage pipe according to claim 5, wherein the fixed ring (28) is arranged on one side, close to the resistance spring (26), of the fixed shell (27), the emergency sliding rod (29) is connected to the middle position of the fixed shell (27) and the fixed ring (28) in a penetrating and sliding manner, and the piston block (210) is connected to the inner side of the hydraulic pipe (211) in a fitting and sliding manner and is used for extruding hydraulic oil arranged in the hydraulic pipe (211).
7. The device for adaptively adjusting the flow of the branch water supply and drainage pipe according to claim 6, wherein one end of the hydraulic connecting pipe (212) penetrates through the fixing shell (27) to be fixedly installed on the hydraulic pipe (211), the piston rod (213) is in fit sliding with the inside of one end, far away from the hydraulic pipe (211), of the hydraulic connecting pipe (212), and one end of the blocking block (214) is in fit sliding with the inside of the small-flow-rate adjusting water outlet (22) to block the small-flow-rate adjusting water outlet (22).
8. The device for adaptively adjusting the flow of the branch water supply and drainage pipe of claim 7, wherein the branch pipe protection assembly further comprises a return spring (216) sleeved outside an emergency sliding rod (29), a connecting sheet (217) is arranged outside one end of the emergency sliding rod (29) far away from the fixed ring (28), and two ends of the return spring (216) are fixedly connected to one side of the connecting sheet (217) and one side of the fixed ring (28) far away from the fixed shell (27) respectively.
9. The device for adaptively adjusting the flow of the branch water supply and drainage pipe of claim 8, wherein the branch water supply and drainage pipe body (1) comprises a baffle ring (31) arranged inside the branch water supply and drainage pipe body (1), one end of the branch water supply and drainage pipe body (1) is internally provided with internal threads, the thread installation cylinder (32) is connected in the branch water supply and drainage pipe body (1) through the internal threads inside the branch water supply and drainage pipe body (1), one end of the thread installation cylinder (32) is connected with a connecting ring pipe (33), and the outer side of the branch water supply and drainage pipe body (1) is sleeved with a fixed clamping ring (34).
10. The device for adaptively adjusting the flow of the branch water supply and drainage pipe according to claim 9, wherein the inner wall of the fixed clamping ring (34) is attached to the outer sides of the connecting ring pipe (33) and the branch water supply and drainage pipe body (1) and is used for fastening and sealing the connecting ring pipe (33) and the branch water supply and drainage pipe body (1), the baffle ring (31) is arranged inside the branch water supply and drainage pipe body (1) close to a main water supply and drainage pipe and is arranged on one side close to the water flow impact column (23), the threaded mounting cylinder (32) is arranged on one side close to the fixed shell (27), and the flow adjusting unit (2) is arranged on the inner side of the branch water supply and drainage pipe body (1) through the baffle ring (31) and the threaded mounting cylinder (32).

Description

Flow self-adaptive adjusting device for water supply and drainage branch pipe Technical Field The invention relates to the field of water supply and drainage pipeline equipment, in particular to a self-adaptive flow regulating device for a water supply and drainage branch pipe. Background In the related fields of indoor water supply and drainage of buildings, municipal water supply and drainage pipe networks, water supply and drainage of industrial factories and the like, water supply and drainage branch pipes are important components of the whole water flow conveying system and play a role in diverting water flow from a main pipe to various water use or drainage points. In the actual use process, the flow rate of water in the water supply and drainage branch pipe can produce irregular fluctuation due to the change of water and drainage demands, the working conditions of low flow rate, medium flow rate, large flow rate and instantaneous overflow rate are frequently and alternately appeared, higher requirements are provided for the through flow and the protection capability of the branch pipe, the existing water supply and drainage branch pipe generally lacks a pure mechanical regulation structure for adapting to the flow rate change, the stable through flow can be realized only by matching with a special flow regulation device, and the operational stability and the service life of the branch pipe are directly influenced by the rationality of the structural design of the regulation device. The existing flow regulating devices matched with the water supply and drainage branch pipes are of single through-flow structures, the flow area cannot be adaptively regulated according to the change of the flow rate of the water, the problem of siltation caused by too low flow rate of the water is easy to occur in low flow rate, the flow rate of the water is too fast due to insufficient flow area in high flow rate, the water continuously impacts the inner wall, an elbow and an interface part of the branch pipes to cause abrasion, vibration and even breakage of the branch pipes, meanwhile, the part of the regulating devices are provided with multi-gear through-flow structures, but no corresponding special overflow protection mechanism is arranged, small through-flow ports can form high-flow-rate jet flow in instant overflow, severe impact is caused on the branch pipes, the problems of pipe damage, interface leakage and the like are easy to occur, accurate mechanical guiding and linkage structures are not available in the device, the regulating parts easily deflect and clamping stagnation are easy to occur under the water flow impact, stable flow regulation cannot be realized in time, and the normal operation of the water supply and drainage branch pipes is seriously affected. Disclosure of Invention The invention aims to provide a self-adaptive flow regulating device for a water supply and drainage branch pipe, so as to solve the problems in the background technology. The flow regulating unit comprises an adaptive regulating component for adaptively regulating the flow of water supply and drainage according to the flow of water supply and drainage, and the flow regulating unit also comprises a branch pipe protection component for preventing the damage to the branch pipe caused by overlarge water; The self-adaptive adjusting component comprises a flow adjusting pipe which is arranged inside the water supply and drainage branch pipe body in a fitting way, a flow adjusting water outlet is arranged inside the flow adjusting pipe, a water flow impact column is arranged on the inner side of the flow adjusting pipe in a fitting and sliding way, a guide groove is arranged on the inner side of the water flow impact column, a guide ring is connected on the inner side of the guide groove in a sliding way, and a resistance spring is arranged on one side of the water flow impact column; As a further preferable mode of the technical scheme, one end of the water flow impact column is hemispherical, three groups of flow regulating water outlets are arranged, and the pore sizes of each of the three groups of flow regulating water outlets are different and are divided into small, medium and large; One end of the resistance spring is fixedly arranged at one side of the water flow impact column far away from the hemispherical shape, and the guide ring slides on the inner side of the flow regulating tube through the guide groove and is used for guiding the flow regulating tube when being impacted by water flow; The branch pipe protection assembly comprises a fixed shell which is arranged at one end, far away from the water flow impact column, of the guide ring, one side of the fixed shell is connected with the fixed ring, the inner side of the fixed ring is connected with an emergency slide rod, one end of the emergency slide rod is connected with a piston block, a hydraulic pipe is arranged at the inner side of the fixed shell, a hydraulic c