CN215860950U

CN215860950U - Mechanical sealing device for pipeline pump

Info

Publication number: CN215860950U
Application number: CN202122442087.6U
Authority: CN
Inventors: 崔浩威
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-11
Filing date: 2021-10-11
Publication date: 2022-02-18
Anticipated expiration: 2031-10-11

Abstract

The utility model relates to the technical field of sealing equipment, in particular to a mechanical sealing device for a pipeline pump. According to the utility model, the two support columns of the sealing mechanism are provided with the threaded cylinders, the tops of the support columns are fixedly provided with the fixing claws clamped with the communication pipe, the threaded rods are driven to rotate by the driving motor II, so that the threaded rods can drive the two threaded cylinders to move relatively, the communication pipe can be driven, the plug-in ring can be plugged with the annular sleeve on the drain pipe, and the sealing ring on the plug-in ring is tightly abutted against the inner wall of the annular sleeve-connection plate, so that the sealing property of the pipeline connection part is improved, and the butt joint of the communication pipe and the pipeline pump is facilitated.

Description

Mechanical sealing device for pipeline pump

Technical Field

The utility model relates to the technical field of sealing equipment, in particular to a mechanical sealing device for a pipeline pump.

Background

The pipeline pump is a single-suction single-stage or multi-stage centrifugal pump, belongs to a vertical structure, has the same inlet and outlet calibers, is positioned on the same straight line, is similar to a section of pipeline, can be installed at any position of the pipeline, and is named as a pipeline pump (also called a booster pump). The structure is characterized in that: the pump is a single-suction single-stage centrifugal pump, the calibers of the inlet and the outlet are the same and are on the same straight line, and the pump body and the shaft center line are mutually vertical.

The two ends of the pump body of the existing pipeline pump need to be manually installed when a drainage pipeline is installed, a worker connects the sealing piece with the pump body through a bolt, the operation is low in efficiency, more manpower and time need to be spent, and meanwhile the installation mode can also lead to poor sealing performance of the pipeline connection position.

SUMMERY OF THE UTILITY MODEL

In order to overcome the technical problems, the utility model aims to provide a mechanical sealing device for a pipeline pump, wherein two support columns of a sealing mechanism are provided with threaded cylinders, the tops of the support columns are fixedly provided with fixed claws clamped with a communicating pipe, and a threaded rod can be driven to rotate by a driving motor to drive the threaded rod to drive the two threaded cylinders to move relatively, so that the communicating pipe is driven to enable an inserting ring and an annular socket plate on a drain pipe to be inserted and connected, and a sealing ring on the inserting ring is tightly abutted against the inner wall of the annular socket plate, so that the sealing property of a pipeline joint can be improved, and the communicating pipe and the pipeline pump can be conveniently butted; be provided with a plurality of electric telescopic handle on the drain pipe outer wall, electric telescopic handle drives the fixing base and is close to fixed block two, stirs the knot and connects the pole and can be under extension spring one's effect with fixed block two-phase lock joint, and then be with the pump body erection joint of communicating pipe and tubing pump to improve the installation effectiveness of tubing pump both ends pipeline, save more manpower and material resources.

The purpose of the utility model can be realized by the following technical scheme:

a mechanical sealing device for a pipeline pump comprises a pipeline pump unit, wherein the pipeline pump unit comprises a pump body, and a sealing mechanism is arranged at the bottom of the pump body;

the top of the pump body is fixedly provided with a first driving motor, the opposite side walls of the pump body are fixedly connected with drain pipes communicated with the inside of the pump body, one end of the outer wall of each drain pipe is fixedly connected with an annular sleeving plate, and the bottom of the pump body is symmetrically and fixedly connected with two first fixing blocks relative to the vertical central plane of the pump body.

The sealing mechanism comprises a positioning seat, one end of the top of the positioning seat is symmetrically and fixedly connected with two connecting arms about a vertical central plane of the positioning seat, a driving motor II is fixedly connected between the two connecting arms, a threaded rod is fixedly connected to the output end of the driving motor II, two threaded cylinders are symmetrically and spirally connected to the threaded rod about the vertical central plane of the threaded rod, supporting columns are fixedly connected to the tops of the outer walls of the two threaded cylinders, and fixing claws are fixedly connected to the top ends of the supporting columns;

the connecting pipe is clamped in the two fixing claws, the inserting ring which is connected with the annular sleeve plate in a sliding and inserting mode is fixedly sleeved on the opposite side walls of the two connecting pipes, the annular plate is fixedly sleeved on the outer wall of the inserting ring, the four fixing blocks II are fixedly connected on the side walls of the annular plate at equal intervals in an annular mode, the top of the positioning seat is fixedly connected with two clamping plates which are clamped with the fixing blocks I in a symmetrical mode about the vertical central plane of the positioning seat, and the two limiting holes are symmetrically formed in the side walls of the clamping plates about the vertical central plane of the clamping plate.

The water draining device is characterized in that four positioning blocks are fixedly connected to the outer wall of the water draining pipe in an annular equidistant mode, electric telescopic rods are fixedly connected to the side walls of the four positioning blocks, one end of each electric telescopic rod is fixedly connected with a fixing seat, and a buckling rod which is buckled with the fixing blocks is rotatably connected to the fixing seat.

The side wall of the first fixed block is symmetrically inserted with two insertion blocks which are inserted with the limiting holes in a sliding manner about the vertical central plane of the first fixed block in a sliding manner, a moving plate is fixedly connected between the two insertion blocks, a poke rod is fixedly connected to the central position of the side wall of the first moving plate, and two extension springs which are fixedly connected with the first fixed block are symmetrically and fixedly connected to the other side wall of the moving plate about the vertical central plane of the moving plate.

And further, sealing rings are fixedly arranged on the opposite side walls of the two insertion rings.

The top of the positioning seat is symmetrically and fixedly connected with two limiting plates which are in sliding clamping connection with the supporting column about a vertical central plane of the positioning seat.

Furthermore, a positioning plate is fixedly connected to one side wall of the fixing seat, and a first extension spring fixedly connected with the buckling rod is fixedly connected to the top of the positioning plate.

The utility model has the beneficial effects that:

1. the two support columns of the sealing mechanism are provided with threaded cylinders, the tops of the support columns are fixedly provided with fixing claws which are clamped with the communication pipe, the threaded rods are driven to rotate by the driving motor II, so that the threaded rods drive the two threaded cylinders to move relatively, the communication pipe is driven to enable the plug-in ring and the annular socket plate on the drain pipe to be plugged together, and the sealing rings on the plug-in ring and the inner wall of the annular socket plate are tightly abutted, so that the sealing performance of the pipeline joint is improved, and the communication pipe and the pipeline pump are conveniently butted;

2. set up a plurality of electric telescopic handle on the drain pipe outer wall, electric telescopic handle drives the fixing base and removes towards the annular slab, stirs the knot and connects the pole under the effect of extension spring one with fixed block two-phase lock joint, and then with the pump body erection joint of communicating pipe and tubing pump to improve the installation effectiveness of tubing pump both ends pipeline, save more manpower and material resources.

Drawings

The utility model will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of a piping pump unit according to the present invention;

FIG. 3 is a schematic view of a connecting rod structure of the present invention;

FIG. 4 is a schematic view of a fixing block according to the present invention;

fig. 5 is a schematic structural view of the sealing mechanism of the present invention.

In the figure: 100. a pipe pump unit; 101. driving a motor I; 102. a pump body; 103. a drain pipe; 104. an annular socket plate; 105. positioning blocks; 106. an electric telescopic rod; 107. a fixed seat; 108. a buckling rod; 109. positioning a plate; 110. a first extension spring; 111. a first fixed block; 112. an insertion block; 113. moving the plate; 114. a poke rod; 115. a second extension spring; 200. a sealing mechanism; 201. positioning seats; 202. a connecting arm; 203. a second driving motor; 204. a threaded rod; 205. a threaded barrel; 206. a support pillar; 207. a fixed jaw; 208. a communicating pipe; 209. a plug-in ring; 210. a seal ring; 211. an annular plate; 212. a second fixed block; 213. a limiting plate; 214. a clamping and connecting plate; 215. and a limiting hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and 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.

Referring to fig. 1-5, a mechanical sealing device for a pipeline pump includes a pipeline pump unit 100, where the pipeline pump unit 100 includes a pump body 102, and a sealing mechanism 200 is disposed at a bottom of the pump body 102;

the top of the pump body 102 is fixedly provided with a first driving motor 101, the opposite side walls of the pump body 102 are fixedly connected with drain pipes 103 communicated with the inside of the pump body, one ends of the outer walls of the drain pipes 103 are fixedly connected with annular sleeving connection plates 104, and the bottom of the pump body 102 is symmetrically and fixedly connected with two first fixing blocks 111 about the vertical center plane of the pump body.

The sealing mechanism 200 comprises a positioning seat 201, one end of the top of the positioning seat 201 is symmetrically and fixedly connected with two connecting arms 202 about a vertical central plane of the positioning seat, a second driving motor 203 is fixedly connected between the two connecting arms 202, the output end of the second driving motor 203 is fixedly connected with a threaded rod 204, two threaded cylinders 205 are symmetrically screwed and connected on the threaded rod 204 about the vertical central plane of the threaded rod, supporting columns 206 are fixedly connected to the tops of the outer walls of the two threaded cylinders 205, and fixing claws 207 are fixedly connected to the top ends of the supporting columns 206;

two fixing claws 207 are respectively clamped with a communicating pipe 208, opposite side walls of the two communicating pipes 208 are respectively fixedly connected with an inserting ring 209 which is slidably inserted into the annular sleeving plate 104, an annular plate 211 is fixedly sleeved on the outer wall of the inserting ring 209, four fixing blocks two 212 are fixedly connected on the side wall of the annular plate 211 at equal intervals in an annular mode, the top of the positioning seat 201 is symmetrically and fixedly connected with two clamping plates 214 which are clamped with the fixing blocks one 111 relative to the vertical central plane of the positioning seat, two limiting holes 215 are symmetrically formed in the side wall of each clamping plate 214 relative to the vertical central plane of the clamping plate, two threaded cylinders 205 and a threaded rod 204 are arranged in the sealing mechanism 200 and are in screwing connection, the two fixing claws 207 are driven by the threaded cylinders 205 to move relatively, and the two communicating pipes 208 and the pipeline pump unit 100 are in butt joint installation.

Four positioning blocks 105 are fixedly connected to the outer wall of the drain pipe 103 at equal intervals in a ring shape, electric telescopic rods 106 are fixedly connected to the side walls of the four positioning blocks 105, one end of each electric telescopic rod 106 is fixedly connected to a fixing seat 107, the fixing seat 107 is rotatably connected to a buckling rod 108 buckled with a second fixing block 212, so that the buckling rod 108 is connected to a communication pipe 208, two insertion blocks 112 in sliding insertion with a limiting hole 215 are symmetrically inserted into the side wall of the first fixing block 111 in a sliding manner about the vertical central plane of the first fixing block, a moving plate 113 is fixedly connected between the two insertion blocks 112, a shifting rod 114 is fixedly connected to the central position of one side wall of the moving plate 113, two extension springs 115 fixedly connected to the first fixing block 111 are symmetrically and fixedly connected to the other side wall of the moving plate 113 about the vertical central plane of the moving plate, and the moving plate 113 is pulled by the second extension springs 115 so that the insertion blocks 112 are inserted into the limiting hole 215.

All fixed seal ring 210 that sets up on the relative lateral wall of two grafting rings 209, through fixed seal ring 210 that sets up on the relative lateral wall at grafting ring 209, thereby reach and utilize seal ring 210 to carry out the purpose of sealing processing to the pipeline junction, the top of positioning seat 201 is about its vertical central plane symmetry fixedly connected with two limiting plates 213 with support column 206 slip joint, through the fixed limiting plate 213 that sets up in the top of positioning seat 201, thereby the shift position of restriction stationary dog 207, prevent it from rotating at will, fixed connection locating plate 109 on the lateral wall of fixing base 107, the top fixedly connected with of locating plate 109 and the extension spring 110 of detaining pole 108 looks fixed connection, it stretches to detaining pole 108 through extension spring 110, thereby the position of restriction detaining pole 108.

The working principle is as follows: when in use, the two first fixing blocks 111 at the bottom of the pipeline pump unit 100 are required to be clamped with the clamping plate 214, then, the pulling rod 114 is pulled to make the pulling rod 114 pull the moving plate 113 to move, so that the plug-in block 112 can be plugged into the limit hole 215 of the clamping plate 214, the communicating tube 208 to be installed in a butt joint manner is placed on the fixing claw 207, the second driving motor 203 on the sealing mechanism 200 is opened, the second driving motor 203 drives the threaded rod 204 to rotate, so that the threaded rod 204 drives the two threaded cylinders 205 to move relatively, since the tops of the outer walls of the two threaded cylinders 205 are fixedly connected with the supporting column 206 and the top end of the supporting column 206 is fixedly connected with the fixed claw 207, the fixing claw 207 can drive the two communicating pipes 208 to be butted with the water discharging pipe 103, further, the inserting ring 209 on the outer wall of the communicating pipe 208 is inserted into the annular sleeve connecting plate 104, so that the sealing ring 210 is abutted against the inner wall of the annular sleeve connecting plate 104;

the electric telescopic rod 106 is opened, the electric telescopic rod 106 drives the fixed seat 107 to move towards the annular plate 211, the buckling rod 108 is pulled, and the buckling rod 108 is buckled with the second fixed block 212 under the action of the first extension spring 110.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is illustrative and explanatory only and is not intended to be exhaustive or to limit the utility model to the precise embodiments described, and various modifications, additions, and substitutions may be made by those skilled in the art without departing from the scope of the utility model as defined in the following claims.

Claims

1. The mechanical sealing device for the pipeline pump is characterized by comprising a pipeline pump unit (100), wherein the pipeline pump unit (100) comprises a pump body (102), and a sealing mechanism (200) is arranged at the bottom of the pump body (102);

the top of the pump body (102) is fixedly provided with a first driving motor (101), the opposite side walls of the pump body (102) are fixedly connected with drain pipes (103) communicated with the inside of the pump body, one end of the outer wall of each drain pipe (103) is fixedly connected with an annular sleeving plate (104), and the bottom of the pump body (102) is symmetrically and fixedly connected with two first fixing blocks (111) about the vertical central plane of the pump body.

2. The mechanical sealing device for the pipeline pump is characterized in that the sealing mechanism (200) comprises a positioning seat (201), one end of the top of the positioning seat (201) is symmetrically and fixedly connected with two connecting arms (202) about the vertical central plane of the positioning seat, a second driving motor (203) is fixedly connected between the two connecting arms (202), a threaded rod (204) is fixedly connected to the output end of the second driving motor (203), two threaded cylinders (205) are symmetrically and rotatably connected to the threaded rod (204) about the vertical central plane of the threaded rod, supporting columns (206) are fixedly connected to the tops of the outer walls of the two threaded cylinders (205), and fixing claws (207) are fixedly connected to the top ends of the supporting columns (206);

equal joint communicating pipe (208) in two stationary dog (207), equal fixedly connected with and annular socket joint board (104) slip grafting socket ring (209) on two communicating pipe (208) relative lateral wall, fixed socket joint annular plate (211) on the outer wall of socket ring (209), four fixed block two (212) of annular equidistance fixed connection on the lateral wall of annular plate (211), the top of positioning seat (201) is about its vertical central plane symmetry fixedly connected with two joint board (214) with fixed block one (111) looks joint, set up two spacing holes (215) about its vertical central plane symmetry on the lateral wall of joint board (214).

3. The mechanical sealing device for the pipeline pump according to claim 1, wherein four positioning blocks (105) are fixedly connected to the outer wall of the drain pipe (103) in an annular shape at equal intervals, the side walls of the four positioning blocks (105) are fixedly connected with the electric telescopic rod (106), one end of the electric telescopic rod (106) is fixedly connected with a fixed seat (107), and a connecting rod (108) fastened with the second fixing block (212) is rotatably connected in the fixed seat (107).

4. The mechanical sealing device for the pipeline pump is characterized in that two insertion blocks (112) which are in sliding insertion with the limiting holes (215) are symmetrically inserted and connected in a sliding mode on the side wall of the first fixing block (111) relative to the vertical central plane of the first fixing block in a sliding mode, the moving plate (113) is fixedly connected between the two insertion blocks (112), the poke rod (114) is fixedly connected at the central position of one side wall of the moving plate (113), and two extension springs (115) which are fixedly connected with the first fixing block (111) are symmetrically and fixedly connected on the other side wall of the moving plate (113) relative to the vertical central plane of the moving plate.

5. A mechanical seal for a line pump according to claim 2, wherein the sealing rings (210) are fixedly arranged on opposite side walls of the two insert rings (209).

6. The mechanical sealing device for the pipeline pump is characterized in that two limiting plates (213) which are in sliding clamping connection with the supporting column (206) are fixedly connected to the top of the positioning seat (201) symmetrically about the vertical central plane of the positioning seat.

7. A mechanical seal device for a pipeline pump according to claim 3, wherein a positioning plate (109) is fixedly connected to a side wall of the fixing seat (107), and a first extension spring (110) fixedly connected to the fastening rod (108) is fixedly connected to the top of the positioning plate (109).