CN219827161U - Negative pressure water inlet device of single-stage pump and multi-stage pump - Google Patents

Negative pressure water inlet device of single-stage pump and multi-stage pump Download PDF

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Publication number
CN219827161U
CN219827161U CN202321249498.6U CN202321249498U CN219827161U CN 219827161 U CN219827161 U CN 219827161U CN 202321249498 U CN202321249498 U CN 202321249498U CN 219827161 U CN219827161 U CN 219827161U
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China
Prior art keywords
negative pressure
water inlet
pressure water
stage pump
fixedly connected
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CN202321249498.6U
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Chinese (zh)
Inventor
余景涛
樊文明
黄艳兵
赵威威
杨中原
宋华访
史国强
李峰超
赵雪强
梅雷
吴家林
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Pingmei Shenma Construction Engineering Group Mine Construction Engineering Co ltd
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Pingmei Shenma Construction Engineering Group Mine Construction Engineering Co ltd
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Abstract

The utility model discloses a single-stage pump and multi-stage pump negative pressure water inlet device, which comprises a negative pressure water inlet mechanism and connecting rods arranged on the periphery of the bottom of the negative pressure water inlet mechanism, wherein an exhaust mechanism is fixedly arranged at the center position of the top surface of the negative pressure water inlet mechanism, a buoy is arranged in the exhaust mechanism, the negative pressure water inlet mechanism comprises a negative pressure water inlet tank, a water outlet pipe is fixedly connected to one side of the negative pressure water inlet tank close to the bottom, a water inlet pipe is fixedly connected to one side of the negative pressure water inlet tank close to the top, which is far away from the water outlet pipe, wherein the end parts of the water inlet pipe and the water outlet pipe are fixedly connected with connecting flanges.

Description

Negative pressure water inlet device of single-stage pump and multi-stage pump
Technical Field
The utility model relates to the technical field of drainage devices, in particular to a negative pressure water inlet device of a single-stage pump or a multi-stage pump.
Background
The underground working face water sump drainage system utilizes a single pump and a multi-stage pump for drainage, and the single pump and the multi-stage pump can start drainage only after water (commonly called pressure water) is filled into a cold cylinder and a water inlet pipe before each start of the single pump and the multi-stage pump.
In the prior art, the water inlet and outlet of the drainage pump are directly linked by four-inch pipes, the equipment pipeline is simple in structure and convenient to install, or a water tap with a non-return function is additionally arranged on the water inlet side of the drainage pump, a non-return valve is additionally arranged on the water outlet side of the drainage pump, the water flow backflow after the drainage pump is stopped can be prevented, a negative pressure water inlet device is additionally arranged on the water inlet side of the single-stage pump and the multi-stage pump, the drainage pump does not need to be additionally filled with pressurized water every time before the drainage is started, but the following problems still exist in the practical use process in the scheme:
the drainage pump is directly connected with water inlet and outlet of the drainage pump by four-inch pipes, the single-stage pump and the multi-stage pump are required to be filled with pressurized water in the cold cylinder of the drainage pump and the water inlet pipe before each time of starting the drainage, and the drainage pump can be started after the water inlet pipe is filled with discharged air, otherwise, the drainage pump can not absorb water and drain water, a water tap with a non-return function is additionally arranged on the water inlet side of the drainage pump, a non-return valve is additionally arranged on the water outlet side, sometimes the water inlet tap is airtight after the drainage pump stops, water leakage and air leakage phenomenon can not occur, pressurized water is required to be additionally arranged on the water inlet side of the single-stage pump and the multi-stage pump when the next time of starting the drainage pump, the negative pressure water inlet device is large in size, occupied space is large, and water leakage and air leakage can not occur during manufacturing.
A single-stage pump and multi-stage pump negative pressure water inlet device is provided so as to solve the problems.
Disclosure of Invention
The utility model aims to provide a negative pressure water inlet device of a single-stage pump and a multi-stage pump, which are used for solving the problems that the water inlet and outlet of a drainage pump are directly connected by four-inch pipes, the single-stage pump and the multi-stage pump can start the drainage pump after filling pressure water into a cold cylinder of the drainage pump and a water inlet pipe and filling discharged air before each start of the drainage pump, otherwise, the drainage pump cannot absorb water and drain water, a water tap with a non-return function is additionally arranged on the water inlet side of the drainage pump, a non-return valve is additionally arranged on the water outlet side, sometimes the water inlet tap is airtight after the drainage pump stops, water leakage and air leakage cannot occur, and when the next drainage pump is started, the pressure water inlet device is additionally arranged on the water inlet side of the single-stage pump and the multi-stage pump, and the negative pressure water inlet device has large volume and occupies large space and cannot leak water and air during manufacture.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the negative pressure water inlet device of the single-stage pump and the multi-stage pump comprises a negative pressure water inlet mechanism and connecting rods arranged on the periphery of the bottom of the negative pressure water inlet mechanism;
an exhaust mechanism is fixedly arranged at the center of the top surface of the negative pressure water inlet mechanism, and a buoy is arranged in the exhaust mechanism;
further comprises:
the negative pressure water inlet mechanism comprises a negative pressure water inlet tank, a water outlet pipe is fixedly connected to one side of the negative pressure water inlet tank close to the bottom, and a water inlet pipe is fixedly connected to one side of the negative pressure water inlet tank far away from the water outlet pipe close to the top;
the end parts of the water inlet pipe and the water outlet pipe are fixedly connected with connecting flanges, and a plurality of connecting holes are formed in the connecting flanges;
wherein, the inside of inlet tube and outlet pipe has all been seted up the intercommunication groove, the one end fixed mounting that the intercommunication groove kept away from flange has the closure arch.
Preferably, the inside sliding connection of intercommunication groove has the closure piston, one side fixedly connected with closure telescopic link that the closure piston kept away from the closure arch, the outside sliding connection of closure telescopic link has the closure spring, and connecting rod fixed mounting is in the bottom position all around of negative pressure intake box.
Preferably, the bottom fixedly connected with connection piece of connecting rod, the bottom fixedly connected with buffer spring of connection piece, buffer spring's inside sliding connection has the buffering telescopic link, the bottom fixedly connected with spring buffer piece of buffering telescopic link, the bottom fixedly connected with buffer sleeve of spring buffer piece.
Preferably, the buffer groove is formed in the buffer sleeve, the connecting rod is in sliding connection with the buffer sleeve through the buffer groove, the lifting thread sleeve is fixedly connected to the bottom of the buffer sleeve, the lifting knob is rotationally connected to the bottom of the lifting thread sleeve, the lifting foot pad is connected to the inner thread of the lifting knob, and the lifting foot pad is in threaded connection with the lifting thread sleeve.
Preferably, the exhaust mechanism comprises an exhaust pipe, a lifting sliding chute is formed in the exhaust pipe, an exhaust hole is formed in one side of the top of the lifting sliding chute, a connecting pipe is connected to the inner thread of the exhaust hole, an exhaust rubber pad is fixedly arranged on one side of the connecting pipe, an exhaust groove is formed in the connecting pipe, a sealing groove is formed in one side of the inner part of the exhaust rubber pad, a sealing ring is connected to the inner clamping part of the sealing groove, and a rotating rod is fixedly connected to one side of the sealing ring.
Preferably, the middle part fixedly connected with spring fixed block of dwang, the one end that the dwang kept away from the sealing washer rotates and is connected with the connection axis of rotation, the bottom rotation of connecting the axis of rotation is connected with the bracing piece, cursory fixed mounting is in the bottom of bracing piece, one side fixedly connected with rotation spring of spring fixed block.
Preferably, the exhaust pipe is fixedly arranged at the center of the top of the negative pressure water inlet tank, the rotary spring is fixedly connected with the connecting pipe, and the sealing ring is connected with the connecting pipe in a clamping way through the sealing groove.
Compared with the prior art, the utility model has the beneficial effects that: this single-stage pump, multistage pump negative pressure water inlet device can appear slight gas leakage when leaking through setting up negative pressure water inlet mechanism, or inlet tube side water tap is closed when not tightly appearing rivers refluence phenomenon, need not consider when starting the drain pump next time, still need add the condition of filling pressurized water, through setting up exhaust mechanism after whole device installs, fills water in the negative pressure water inlet device, can get rid of the inside air of negative pressure water inlet tank voluntarily, its concrete content is as follows:
1. the negative pressure water inlet mechanism is arranged, so that when slight air leakage and water leakage occur to the pump body or the water tap on the water inlet pipe side is not tightly closed, the situation that the pressurized water is required to be added when the next water discharge pump is started is not needed, the water discharge pump is not required to be frequently started, the pressurized water adding time before each time of water discharge pump starting is saved;
2. after the whole device is installed, the negative pressure water inlet device is filled with water, air in the negative pressure water inlet tank can be automatically discharged, once the air in the negative pressure water inlet tank is discharged, the exhaust mechanism can be automatically closed, the exhaust mechanism is not required to be manually controlled to be opened and closed, the operation time is saved, and the practicability of the device is improved.
Drawings
FIG. 1 is a schematic view of the overall three-dimensional structure of the present utility model;
FIG. 2 is a schematic diagram of a cross-sectional structure of a water outlet pipe according to the present utility model;
FIG. 3 is a schematic cross-sectional three-dimensional structure of a cushion sleeve according to the present utility model;
FIG. 4 is a schematic cross-sectional view of an exhaust pipe according to the present utility model;
FIG. 5 is a schematic diagram of a sealing state structure of a sealing ring and an exhaust rubber gasket in the utility model;
FIG. 6 is a schematic cross-sectional view of a connecting tube according to the present utility model.
In the figure: 1. a negative pressure water inlet mechanism; 101. a negative pressure water inlet tank; 102. a water outlet pipe; 103. a water inlet pipe; 104. a connecting flange; 105. a connection hole; 106. a communication groove; 107. closing the protrusion; 108. closing the piston; 109. closing the telescopic rod; 110. a closing spring; 111. a connecting rod; 112. a connecting sheet; 113. a buffer spring; 114. a buffer telescopic rod; 115. a spring buffer sheet; 116. a buffer sleeve; 117. a buffer tank; 118. lifting the threaded sleeve; 119. a lifting knob; 120. lifting foot pads; 2. an exhaust mechanism; 201. an exhaust pipe; 202. lifting sliding grooves; 203. an exhaust hole; 204. a connecting pipe; 205. an exhaust rubber pad; 206. an exhaust groove; 207. sealing grooves; 208. a seal ring; 209. a rotating lever; 210. a spring fixing block; 211. connecting a rotating shaft; 212. a support rod; 213. a float; 214. and the spring is rotated.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-6, the present utility model provides the following technical solutions: the negative pressure water inlet device of the single-stage pump and the multi-stage pump comprises a negative pressure water inlet mechanism 1 and connecting rods 111 arranged on the periphery of the bottom of the negative pressure water inlet mechanism 1, an exhaust mechanism 2 is fixedly arranged at the center position of the top surface of the negative pressure water inlet mechanism 1, a buoy 213 is arranged in the exhaust mechanism 2, the negative pressure water inlet mechanism 1 comprises a negative pressure water inlet tank 101, one side of the negative pressure water inlet tank 101 is fixedly connected with a water outlet pipe 102 near the bottom, one side of the negative pressure water inlet tank 101 far away from the water outlet pipe 102 is fixedly connected with a water inlet pipe 103 near the top, wherein the ends of the water inlet pipe 103 and the water outlet pipe 102 are fixedly connected with a connecting flange 104, a plurality of connecting holes 105 are formed in the connecting flange 104, a plurality of connecting grooves 106 are formed in the connecting grooves 106, one end of the connecting grooves 106 far away from the connecting flange 104 is fixedly provided with a closing protrusion 107, a closing piston 108 is slidingly connected in the inner side of the connecting grooves 106, one side of the closing piston 108 is fixedly connected with a closing telescopic rod 109, the outer side of the closing telescopic rod 109 is slidingly connected with a closing spring 110, the connecting rod 111 is fixedly arranged at the periphery of the bottom of the negative pressure water inlet tank 101, the connecting rod 111 is fixedly connected with a connecting piece 112 near the top, the bottom of the connecting rod is fixedly connected with a connecting piece 112, the bottom of the connecting rod 103 is fixedly connected with a buffer sleeve 116, the connecting rod 114 is connected with a buffer sleeve 116 through a sliding sleeve 116, a sliding sleeve 116 is fixedly connected with a connecting rod 114 at the bottom of the connecting rod 116, a sliding sleeve 116 is connected with a sliding sleeve 116, a sliding sleeve 116 is connected with a bottom of the connecting rod 116, a sliding sleeve 116, a connecting rod is connected with a sliding sleeve 116, and a connecting rod 116 is connected with a sliding on the connecting rod and the connecting sleeve 116. The inside threaded connection of lift knob 119 has lift callus on sole 120, and lift callus on sole 120 and lift screw sleeve 118 threaded connection can appear slight gas leakage when leaking through setting up negative pressure water inlet mechanism 1 in the pump body, perhaps inlet tube 103 side water tap is closed when not tightly appearing rivers refluence phenomenon, need not consider when next drain pump starts, still need add the condition of filling pressure water, need not the drain pump frequently to start, practices thrift and adds the time of filling pressure water before the drain pump starts at every turn.
The exhaust mechanism 2 comprises an exhaust pipe 201, a lifting sliding chute 202 is arranged in the exhaust pipe 201, an exhaust hole 203 is arranged on one side of the top of the lifting sliding chute 202, a connecting pipe 204 is connected with the internal thread of the exhaust hole 203, an exhaust rubber pad 205 is fixedly arranged on one side of the connecting pipe 204, an exhaust groove 206 is arranged in the connecting pipe 204, a sealing groove 207 is arranged on one side of the inner part of the exhaust rubber pad 205, a sealing ring 208 is connected with the inner part of the sealing groove 207 in a clamping way, a rotating rod 209 is fixedly connected on one side of the sealing ring 208, a spring fixing block 210 is fixedly connected in the middle of the rotating rod 209, one end of the rotating rod 209 away from the sealing ring 208 is rotationally connected with a connecting rotating shaft 211, the bottom of the connecting rotating shaft 211 is rotationally connected with a supporting rod 212, the float 213 fixed mounting is in the bottom of bracing piece 212, one side fixedly connected with rotation spring 214 of spring fixed block 210, blast pipe 201 fixed mounting is in the top central point of negative pressure intake tank 101 put, rotation spring 214 and connecting pipe 204 fixed connection, sealing washer 208 passes through seal groove 207 and connecting pipe 204 block to be connected, through setting up exhaust mechanism 2 after the whole device is installed, fill water in the negative pressure water inlet device, can get rid of the inside air of negative pressure intake tank 101 voluntarily, but exhaust mechanism 2 self-closing in case the inside air of negative pressure intake tank 101 is discharged, but need not artificial control exhaust mechanism 2 and opens and close, save operating time, improve the practicality of device.
Working principle: before the negative pressure water inlet device of the single-stage pump and the multistage pump is used, the whole situation of the device needs to be checked firstly, normal work can be confirmed, as shown in fig. 1-6, after the whole device is installed, the lifting knob 119 can be rotated to drive the lifting foot pad 120 to conduct threaded rotation in the lifting threaded sleeve 118, thereby lifting and leveling the negative pressure water inlet tank 101, the whole device can be installed on a construction site with uneven pavement, the buffer spring 113 and the buffer telescopic rod 114 can be utilized to effectively buffer the negative pressure water inlet tank 101, strong vibration of the construction site is avoided, the phenomenon that damage occurs at the pipeline connection position of the device is caused, secondly, the water inlet pipe 103 is used for pouring water into the negative pressure water inlet tank 101, the pressure of water flow is utilized to squeeze the closing piston 108, the closing telescopic rod 109 and the closing spring 110, the closing piston 108 is separated from the closing protrusion 107, unidirectional flow of the water flow can be achieved, when the water flow is in a backflow phenomenon occurs, the closing piston 108 is attached to the closing protrusion 107, the phenomenon that the water flow backflow phenomenon occurs is avoided, finally, when the water flow is conducted into the negative pressure water inlet tank 101, the negative pressure water inlet tank 101 is in the water inlet tank, the water inlet tank is fully flows into the sealing groove 206, the sealing groove 213 is driven by the sealing groove 213, and the sealing groove 204 is completely rotates, and the sealing groove 204 is sealed by the sealing groove is driven by the air, and the sealing groove 208 is completely rotates, and the sealing groove is connected with the sealing groove 204.
Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (7)

1. The negative pressure water inlet device of the single-stage pump and the multi-stage pump comprises a negative pressure water inlet mechanism (1) and connecting rods (111) arranged at the periphery of the bottom of the negative pressure water inlet mechanism (1);
an exhaust mechanism (2) is fixedly arranged at the center of the top surface of the negative pressure water inlet mechanism (1), and a buoy (213) is arranged in the exhaust mechanism (2);
characterized by further comprising:
the negative pressure water inlet mechanism (1) comprises a negative pressure water inlet tank (101), a water outlet pipe (102) is fixedly connected to one side of the negative pressure water inlet tank (101) close to the bottom, and a water inlet pipe (103) is fixedly connected to one side of the negative pressure water inlet tank (101) far away from the water outlet pipe (102) close to the top;
the end parts of the water inlet pipe (103) and the water outlet pipe (102) are fixedly connected with a connecting flange (104), and a plurality of connecting holes (105) are formed in the connecting flange (104);
the inside of inlet tube (103) and outlet pipe (102) has all been seted up intercommunication groove (106), the one end fixed mounting who keeps away from flange (104) in intercommunication groove (106) has closure arch (107).
2. The single stage pump, multi-stage pump negative pressure water intake device of claim 1, wherein: the inside sliding connection of intercommunication groove (106) has closed piston (108), one side that closed piston (108) kept away from closed arch (107) is fixedly connected with closed telescopic link (109), the outside sliding connection of closed telescopic link (109) has closed spring (110), and connecting rod (111) fixed mounting is in the bottom position all around of negative pressure intake box (101).
3. The single stage pump, multi-stage pump negative pressure water intake device of claim 2, wherein: the bottom fixedly connected with connection piece (112) of connecting rod (111), the bottom fixedly connected with buffer spring (113) of connection piece (112), the inside sliding connection of buffer spring (113) has buffering telescopic link (114), the bottom fixedly connected with spring buffer piece (115) of buffering telescopic link (114), the bottom fixedly connected with buffer sleeve (116) of spring buffer piece (115).
4. A single stage pump, multi-stage pump negative pressure water intake device according to claim 3, characterized in that: the inside of buffering sleeve (116) has been seted up buffer tank (117), connecting rod (111) pass through buffer tank (117) and buffering sleeve (116) sliding connection, the bottom fixedly connected with lift screw thread sleeve (118) of buffering sleeve (116), the bottom rotation of lift screw thread sleeve (118) is connected with lift knob (119), the internal thread of lift knob (119) is connected with lift callus on the sole (120), lift callus on the sole (120) and lift screw thread sleeve (118) threaded connection.
5. The single stage pump, multi-stage pump negative pressure water intake device of claim 1, wherein: exhaust mechanism (2) are including blast pipe (201), lifting slide groove (202) have been seted up to the inside of blast pipe (201), exhaust hole (203) have been seted up on one side of the top of lifting slide groove (202), the inside threaded connection of exhaust hole (203) has connecting pipe (204), one side fixed mounting of connecting pipe (204) has exhaust rubber pad (205), exhaust groove (206) have been seted up to the inside of connecting pipe (204), seal groove (207) have been seted up on one side of the inside of exhaust rubber pad (205), the inside block of seal groove (207) is connected with sealing washer (208), one side fixedly connected with dwang (209) of sealing washer (208).
6. The single stage pump, multi-stage pump negative pressure water intake device of claim 5, wherein: the middle part fixedly connected with spring fixed block (210) of dwang (209), the one end rotation that dwang (209) kept away from sealing washer (208) is connected with and connects axis of rotation (211), the bottom rotation of connecting axis of rotation (211) is connected with bracing piece (212), cursory (213) fixed mounting is in the bottom of bracing piece (212), one side fixedly connected with rotation spring (214) of spring fixed block (210).
7. The single stage pump, multi-stage pump negative pressure water intake device of claim 6, wherein: the exhaust pipe (201) is fixedly arranged at the center of the top of the negative pressure water inlet tank (101), the rotating spring (214) is fixedly connected with the connecting pipe (204), and the sealing ring (208) is clamped and connected with the connecting pipe (204) through the sealing groove (207).
CN202321249498.6U 2023-05-23 2023-05-23 Negative pressure water inlet device of single-stage pump and multi-stage pump Active CN219827161U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321249498.6U CN219827161U (en) 2023-05-23 2023-05-23 Negative pressure water inlet device of single-stage pump and multi-stage pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321249498.6U CN219827161U (en) 2023-05-23 2023-05-23 Negative pressure water inlet device of single-stage pump and multi-stage pump

Publications (1)

Publication Number Publication Date
CN219827161U true CN219827161U (en) 2023-10-13

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ID=88249471

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321249498.6U Active CN219827161U (en) 2023-05-23 2023-05-23 Negative pressure water inlet device of single-stage pump and multi-stage pump

Country Status (1)

Country Link
CN (1) CN219827161U (en)

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