CN210218088U

CN210218088U - Booster pump head device

Info

Publication number: CN210218088U
Application number: CN201921313944.9U
Authority: CN
Inventors: Yuyong Li; 李玉勇
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-14
Filing date: 2019-08-14
Publication date: 2020-03-31
Anticipated expiration: 2029-08-14

Abstract

The utility model discloses a booster pump head device, which comprises a box body for mounting a crankshaft, wherein the rear end of the box body is provided with an opening, the box cover is connected with the opening by screws, a seal is formed between the box cover and the box body, crankshaft holes for mounting the crankshaft are arranged on the left end surface and the right end surface of the box body, a plurality of piston holes are arranged on the front end surface of the box body, the piston holes penetrate through the box body, a water channel is processed in the wall of the box body, a water inlet hole and a water outlet hole which are communicated with the water channel are arranged on the right side surface of the box body, a water inlet pipe connector is arranged in the water inlet hole by threads, a water outlet pipe connector is arranged at the water outlet hole by threads, and a vent hole is arranged on the; the product can be cooled by utilizing water circulation.

Description

Booster pump head device

Technical Field

The utility model relates to a booster pump head device.

Background

High pressure cleaner exports after carrying out the pressure boost with the water of ordinary pressure mainly, and water pressure increases the back, and the impact force grow of water can improve clean effect, and among the conventional art, the pump head is at the during operation, because the high-speed rotation of bent axle, can lead to supporting the rotatory bearing of bent axle and carrying out sealed bearing seal and produce high temperature, lead to the damage of bearing or bearing seal to also lead to unable long-time pressure boost work.

Based on the problems, a pressurizing pump head device capable of cooling by utilizing water circulation is specially designed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a pressure boost pump head device that can utilize hydrologic cycle to cool down is provided.

The utility model discloses a realize through following technical scheme:

a booster pump head device comprises a box body for mounting a crankshaft, wherein an opening is arranged at the rear end of the box body, a box cover is connected to the opening through screws, a seal is formed between the box cover and the box body, crankshaft holes for mounting the crankshaft are arranged on the left end surface and the right end surface of the box body, a plurality of piston holes are arranged on the front end surface of the box body and penetrate through the box body, a water channel is processed in the wall of the box body, a water inlet hole and a water outlet hole which are communicated with the water channel are arranged on the right side surface of the box body, a water inlet pipe connector is arranged in the water inlet hole through threads, a water outlet pipe connector is arranged at the water outlet through threads, an exhaust hole is arranged at the top of the box body, an exhaust plug is connected to the exhaust hole through threads, a pump cover is fixed to the front end of the box body through screws, and the pump cover is provided, a water inlet chamber is formed below each pressurizing chamber in a casting mode, a plurality of water inlet chambers are communicated, a one-way valve is installed at the position of the rightmost water inlet chamber, a hose is assembled between the one-way valve and the water outlet pipe connector, a water outlet chamber is formed above each pressurizing chamber in a casting mode, the water outlet chambers are communicated, a first one-way valve is installed at the position of the rightmost water outlet chamber, and a pressurizing water connector is connected to the right side of the first one-way valve in a threaded mode; the crankshaft holes at two ends are used for mounting a crankshaft, a bearing and a shaft seal are required to be matched between the crankshaft and the crankshaft holes, a piston is assembled on the crankshaft through a piston connecting rod and is positioned in the piston hole, one end of the crankshaft is used for butting power equipment, the power equipment is one of a motor and a fuel engine, when the crankshaft rotates, the piston is driven to move through the piston connecting rod, the piston moves in a reciprocating mode, and water positioned in a pressurizing chamber is extruded to generate water pressure; during water pressurization, the high-speed rotation of the crankshaft can cause the temperature inside the box to rise, meanwhile, high temperature is generated at the position of the bearing, pressurized water enters the pressurizing chamber and needs to circulate in a water channel at the inner wall of the box, and the heat of the box is taken away by the circulating water, so that the temperature at the position of the bearing is reduced.

Preferably, a threaded pipe orifice is arranged at the upper end of the water outlet chamber, and a plunger or a pressure gauge is installed in the threaded pipe orifice.

Preferably, the vent plug comprises a body, a threaded part is processed at the lower end of the body, a concave hole is arranged at the upper end of the body, an air guide hole is arranged at the axis of the bottom of the concave hole, the air guide hole vertically penetrates through the threaded part and then is communicated with the box body, a plurality of air guide grooves are annularly arranged at the hole wall of the concave hole, the upper end of each air guide groove upwards penetrates through the body, the lower end of each air guide groove is closed, a movable block is arranged in the concave hole, a guide rod is arranged at the bottom of the movable block and downwards inserted into the air guide hole and is attached to the inner wall of the air guide hole, a plurality of air guide grooves are annularly arranged at the outer wall of the guide rod and vertically penetrate through the air guide grooves, a sealing ring is assembled at the outer wall of the movable block and is attached to the inner wall of the concave hole and sealed with the concave hole, when the pressure in the box body exceeds the, the movable block is pushed to move upwards, and when the movable block moves to the position of the exhaust groove, the exhaust groove is communicated with the interior of the box body to release pressure; the threaded part is connected with the exhaust hole; above-mentioned structure is mainly when too big in order to the pressure in box inside, carries out passive pressure release, and then stabilizes the inside pressure of box, and the movable block is located the hole bottom department of shrinkage pool under the normality, and pressure in the box risees, and the movable block is jack-up upwards under the effect of pressure, and the air discharge duct exposes in the below of movable block this moment, can carry out the pressure release through the air discharge duct and exhaust.

Preferably, a limit screw is connected to the top of the body in a threaded manner, and the movable block contacts the limit screw when moving upwards to the limit.

Preferably, an annular groove is formed in the bottom of the body, a sealing ring is clamped in the annular groove, and after the body is screwed in, the sealing ring is sealed between the body and the box body; the structure mainly increases the sealing performance, when the internal pressure of the box body is stable, the better sealing performance needs to be kept, the leakage of oil liquid is avoided, and meanwhile, external sundries are prevented from entering the box body.

Preferably, a pressure relief device is further arranged between the one-way valve and the first one-way valve, and the pressure relief device is communicated with the water inlet chamber and the water outlet chamber.

Preferably, the pressure relief device comprises a vertically arranged pipe fitting, the upper end of the pipe fitting is provided with a pipe head with a large pipe diameter, the pipe fitting is communicated with the water inlet chamber, the pipe head is communicated with the water outlet chamber, the upper end of the pipe head is in threaded connection with a valve head, a sliding block is arranged in the pipe fitting, the upper end of the sliding block is welded with a spring, the upper end of the spring abuts against the valve head, the sliding block is located in the pipe fitting in a normal state, and at the moment, the water inlet chamber and the water outlet chamber are disconnected.

The utility model has the advantages that: this product is ingenious will treat that the water of pressure boost passes through in the water course of box, when water passes through the box, cools down to the bent axle bearing seal and the bearing of installing, also cools down to the profit in the box simultaneously, and the water after the heat transfer is discharged after getting into the pressure boost in the pressure boost chamber again for this product can be long-time work down keep normal operating temperature, avoids overheated, the simple structure of this product, and the cost is comparatively cheap, is fit for using widely.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a front view of the present invention;

FIG. 2 is a perspective view of the case;

FIG. 3 is a cross-sectional view of a vent plug;

FIG. 4 is a top view of the body;

FIG. 5 is a bottom view of the movable block;

fig. 6 is a schematic structural view of the pressure relief device.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

In the description of the present invention, it is to be understood that the terms "one end", "the other end", "the outside", "upper", "inside", "horizontal", "coaxial", "central", "end", "length", "outer end", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, in the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise explicitly specified or limited, the terms "set", "coupled", "connected", "penetrating", "plugging", and the like are to be understood in a broad sense, and may be, for example, fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1 to 6, a booster pump head device includes a housing 1 for mounting a crankshaft, an opening is disposed at a rear end of the housing 1, a cover 2 is screwed to the opening, a seal is formed between the cover 2 and the housing 1, crankshaft holes 101 for mounting the crankshaft are disposed at left and right end surfaces of the housing 1, a plurality of piston holes 102 are disposed at a front end surface of the housing 1, the piston holes 102 penetrate the housing 1, a water channel 103 is formed in a wall of the housing 1, a water inlet hole 111 and a water outlet hole 112 communicating the water channel 103 are disposed at a right side surface of the housing 1, a water inlet pipe joint 121 is disposed in the water inlet hole 111, a water outlet pipe joint 131 is threadedly mounted at the water outlet hole 112, a gas discharge hole 113 is disposed at a top of the housing 1, and a gas discharge plug 3 is threadedly connected to the gas discharge hole 113, a pump cover 4 is fixed to the front end of the box body 1 through screws, the pump cover 4 is provided with a plurality of pressurizing chambers 401 corresponding to the piston holes 102, a water inlet chamber 402 is formed below each pressurizing chamber 401 in a casting mode, the water inlet chambers 402 are communicated with one another, a one-way valve 5 is installed at the position of the rightmost water inlet chamber 402, a hose 501 is assembled between each one-way valve 5 and the water outlet pipe connector 131, a water outlet chamber 403 is formed above each pressurizing chamber 401 in a casting mode, the water outlet chambers 403 are communicated with one another, a first one-way valve 6 is installed at the position of the rightmost water outlet chamber 403, and a pressurizing water connector 601 is connected to the right side of the first one-way valve 6 through threads; the crankshaft holes at two ends are used for mounting a crankshaft, a bearing and a shaft seal are required to be matched between the crankshaft and the crankshaft holes, a piston is assembled on the crankshaft through a piston connecting rod and is positioned in the piston hole, one end of the crankshaft is used for butting power equipment, the power equipment is one of a motor and a fuel engine, when the crankshaft rotates, the piston is driven to move through the piston connecting rod, the piston moves in a reciprocating mode, and water positioned in a pressurizing chamber is extruded to generate water pressure; during water pressurization, the high-speed rotation of the crankshaft can cause the temperature inside the box to rise, meanwhile, high temperature is generated at the position of the bearing, pressurized water enters the pressurizing chamber and needs to circulate in a water channel at the inner wall of the box, and the heat of the box is taken away by the circulating water, so that the temperature at the position of the bearing is reduced.

In a preferred embodiment of the present invention, a threaded pipe is disposed at the upper end of the outlet chamber 403, and a plunger 444 or a pressure gauge 445 is installed in the threaded pipe.

In a preferred embodiment of the present invention, the vent plug 3 comprises a body 301, a threaded portion 302 is formed at the lower end of the body 301, a recessed hole 303 is formed at the upper end of the body 301, an air vent 304 is formed at the bottom axis of the recessed hole 303, the air vent 304 vertically penetrates through the threaded portion 302 and is communicated with the box body 1, a plurality of air vents 305 are annularly formed at the hole wall of the recessed hole 303, the upper end of the air vent 305 upwardly penetrates through the body 301, the lower end of the air vent 305 is closed, a movable block 306 is arranged in the recessed hole 303, a guide rod 307 is arranged at the bottom of the movable block 306, the guide rod 307 is downwardly inserted into the air vent 304 and is attached to the inner wall of the air vent 304, a plurality of air vents 308 are annularly formed at the outer wall of the guide rod 307, the air vents 308 vertically penetrate through the air vents 308, a sealing ring 309 is assembled at the outer wall of the movable block 306, and the sealing ring 309 is attached, when the pressure in the box body 1 is over-pressure, air pressure upwards passes through the air guide groove and then acts on the bottom of the movable block to push the movable block to move upwards, and when the movable block moves to the position of the air exhaust groove, the air exhaust groove is communicated with the interior of the box body to release pressure; the threaded portion 302 is connected to the vent hole; above-mentioned structure is mainly when too big in order to the pressure in box inside, carries out passive pressure release, and then stabilizes the inside pressure of box, and the movable block is located the hole bottom department of shrinkage pool under the normality, and pressure in the box risees, and the movable block is jack-up upwards under the effect of pressure, and the air discharge duct exposes in the below of movable block this moment, can carry out the pressure release through the air discharge duct and exhaust.

In a preferred embodiment of the present invention, the top of the body 301 is threadedly connected to a limit screw 333, and the movable block is contacted with the limit screw when moving upward.

In a preferred embodiment of the present invention, an annular groove 334 is disposed at the bottom of the body 301, a sealing ring 335 is clamped into the annular groove 334, and after the body 301 is screwed in, the sealing ring 335 is sealed between the body 301 and the box 1; the structure mainly increases the sealing performance, when the internal pressure of the box body is stable, the better sealing performance needs to be kept, the leakage of oil liquid is avoided, and meanwhile, external sundries are prevented from entering the box body.

In a preferred embodiment of the present invention, a pressure relief device 7 is further installed between the check valve 5 and the first check valve 6, and the pressure relief device 7 communicates with the water inlet chamber 402 and the water outlet chamber 403.

In a preferred embodiment of the present invention, the pressure relief device 7 comprises a vertically disposed pipe 701, the upper end of the pipe 701 has a pipe head 702 with a large pipe diameter, the pipe 701 communicates with the water inlet chamber 402, the pipe head 702 communicates with the water outlet chamber 403, the upper end of the pipe head 702 is connected with a valve head 703 by a screw thread, a slider 704 is disposed in the pipe 701, a spring 705 is welded to the upper end of the slider 704, the upper end of the spring 705 abuts against the valve head 703, and the spring 705 and the valve head 703 are also welded and fixed, the slider 704 is normally located in the pipe, at this time, the water inlet chamber 402 and the water outlet chamber 403 are disconnected, after the piston is pressurized, part of water is squeezed out of the water inlet chamber 402, at this time, the internal pressure of the water inlet chamber 402 is relatively high, the check valve 704 cannot relieve pressure, at this time, the slider compresses the spring upwards to communicate the pipe 701 and the pipe, and pressure relief is realized.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.

Claims

1. A booster pump head device, characterized in that: the crankshaft connecting box comprises a box body for mounting a crankshaft, wherein an opening is formed in the rear end of the box body, a box cover is connected to the opening through screws, a seal is formed between the box cover and the box body, crankshaft holes for mounting the crankshaft are formed in the left end face and the right end face of the box body, a plurality of piston holes are formed in the front end face of the box body and penetrate through the box body, a water channel is processed in the wall of the box body, a water inlet hole and a water outlet hole which are communicated with the water channel are formed in the right end face of the box body, a water inlet pipe connector is installed in the water inlet hole in a threaded mode, a water outlet pipe connector is installed at the water outlet hole in a threaded mode, an air exhaust hole is formed in the top of the box body, an exhaust plug is connected to the exhaust hole in a threaded mode, a pump cover is fixed to the front end of the box body through screws and provided with a plurality of pressurizing chambers, it is a plurality of communicate between the intake chamber, the rightmost side the intake chamber department installs the check valve, the check valve with go out to be equipped with the hose between the water coupling, every all cast the top of pumping chamber and be formed with out the water chamber, it is a plurality of it communicates with each other to go out the water chamber, is located the rightmost side it installs first check valve to go out the water chamber department, the right side threaded connection of first check valve has the pressure boost water swivel.

2. A booster pump head device according to claim 1, wherein: the upper end of the water outlet chamber is provided with a threaded pipe orifice, and a plunger or a pressure gauge is installed in the threaded pipe orifice.

3. A booster pump head device according to claim 1, wherein: the air exhaust plug comprises a body, a threaded part is processed at the lower end of the body, a concave hole is formed in the upper end of the body, an air guide hole is formed in the axis of the bottom of the concave hole, the air guide hole vertically penetrates through the threaded part and then is communicated with the box body, a plurality of air exhaust grooves are annularly formed in the hole wall of the concave hole, the upper end of each air exhaust groove upwards penetrates through the body, the lower end of each air exhaust groove is sealed, a movable block is arranged in the concave hole, a guide rod is arranged at the bottom of the movable block and downwards inserted into the air guide hole and attached to the inner wall of the air guide hole, a plurality of air guide grooves are annularly formed in the outer wall of the guide rod and vertically penetrate through the air guide grooves, a sealing ring is assembled on the outer wall of the movable block and attached to the inner wall of the concave hole and sealed with the concave hole, when the pressure in the box body is overpressure, the movable block is pushed to move upwards, and when the movable block moves to the position of the exhaust groove, the exhaust groove is communicated with the interior of the box body to release pressure; the threaded portion is connected to the vent hole.

4. A booster pump head device according to claim 3, wherein: the top of the body is in threaded connection with a limit screw, and the movable block contacts the limit screw when moving upwards to the limit.

5. A booster pump head device according to claim 4, wherein: the bottom of the body is provided with an annular groove, a sealing ring is clamped in the annular groove, and after the body is screwed in, the sealing ring is sealed between the body and the box body.

6. A booster pump head device according to claim 1, wherein: and a pressure relief device is also arranged between the one-way valve and the first one-way valve and is communicated with the water inlet chamber and the water outlet chamber.

7. A booster pump head device according to claim 6, wherein: the pressure relief device comprises a vertically arranged pipe fitting, the upper end of the pipe fitting is provided with a pipe head with a large pipe diameter, the pipe fitting is communicated with the water inlet chamber, the pipe head is communicated with the water outlet chamber, the upper end of the pipe head is in threaded connection with a valve head, a sliding block is arranged in the pipe fitting, the upper end of the sliding block is welded with a spring, the upper end of the spring abuts against the valve head, the sliding block is located in the pipe fitting in a normal state, and at the moment, the water inlet chamber and the water outlet chamber are disconnected.