CN216241366U

CN216241366U - Pump head with adjustable flow and pressure

Info

Publication number: CN216241366U
Application number: CN202122863981.0U
Authority: CN
Inventors: 阮官友; 阮鹏玮
Original assignee: Zhejiang Shuimoli Electromechanical Equipment Co ltd
Current assignee: Zhejiang Shuimoli Electromechanical Equipment Co ltd
Priority date: 2021-11-22
Filing date: 2021-11-22
Publication date: 2022-04-08
Anticipated expiration: 2031-11-22

Abstract

The utility model discloses a flow and pressure adjustable pump head which comprises a fixed seat, wherein support plates are respectively arranged on the outer walls of two sides of the bottom of the fixed seat, the outer walls of the bottoms of the two support plates are respectively provided with the same adjusting seat, an air cylinder is fixed on the outer wall of one side of the adjusting seat through a fixing part, the extending end of the air cylinder penetrates through one side of the adjusting seat, support blocks are respectively welded on the outer walls of four corners of the bottom of the adjusting seat, one side, opposite to the four support blocks, of the four support blocks is welded with the same flow guide pipe, a push-pull rotary adjusting mechanism is arranged at the extending end of the air cylinder, the top end of the push-pull rotary adjusting mechanism penetrates through the adjusting seat to be rotatably connected with a guide pillar, the top end of the guide pillar is rotatably connected with the bottom of the fixed seat through a bearing, and a pressure regulating and flow controlling mechanism is arranged at the bottom end of the push-pull rotary adjusting mechanism. The pressure-regulating and flow-controlling mechanism regulates and controls the flow and the pressure of the fluid in the flow guide pipe, effectively regulates the flow and the flow pressure of the fluid and ensures the efficiency of fluid delivery.

Description

Pump head with adjustable flow and pressure

Technical Field

The utility model relates to the technical field of pump heads, in particular to a flow and pressure adjustable pump head.

Background

In the prior art, pumps are machines that deliver or pressurize fluid. It transfers the mechanical energy of the prime mover or other external energy to the liquid, causing the liquid energy to increase. The pump is mainly used for conveying liquid such as water, oil, acid-base liquid, emulsion, suspension emulsion and liquid metal, and can also be used for conveying liquid, gas mixture and liquid containing suspended solid. The pump head, which is a component of the pump, mostly needs to play a role in controlling pressure and regulating flow.

Through retrieval, chinese patent application No. CN201320489710.6 discloses a pump head structure of a canned motor pump, belonging to the technical field of pumps. The pump head solves the problems that the surface roughness of the existing pump head is difficult to guarantee and certain resistance is formed on fluid. The pump head structure of the canned motor pump comprises a bowl-shaped body, wherein the body is provided with a pump cavity, a liquid inlet channel and a liquid outlet channel which are communicated with the pump cavity, and a ceramic coating is covered on the wall of the pump cavity. The pump head structure of the canned motor pump in the above patent has the following disadvantages:

overall structure is difficult for rustting, and the surface is smooth moreover, and coefficient of friction diminishes, reduces to the fluidic resistance, has improved canned motor pump's efficiency, but to on adjusting fluidic flow and flowing pressure, does not play corresponding effect, from this, leads to pump head single structure, consequently, urgently needs a pump head with adjustable flow and pressure.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a pump head with adjustable flow and pressure.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a pump head with adjustable flow and pressure, which comprises a fixed base, the bottom both sides outer wall of fixing base is provided with the extension board respectively, and the bottom outer wall of two extension boards is provided with same regulation seat respectively, one side outer wall of regulation seat is fixed with the cylinder through the mounting, and the extension end of cylinder runs through in regulation seat one side, the bottom four corners outer wall of regulation seat has welded respectively and has a piece, and four relative one side welding of piece have same honeycomb duct, the extension end of cylinder is provided with the rotatory adjustment mechanism of push-and-pull, and the rotatory adjustment mechanism top of push-and-pull runs through the regulation seat and rotate and be connected with the guide pillar, the guide pillar top is rotated with the fixing base bottom through the bearing and is connected, the bottom of the rotatory adjustment mechanism of push-and-pull is provided with pressure regulating accuse and flows the mechanism, and pressure regulating accuse flows the mechanism and sets up in the honeycomb duct.

As a still further scheme of the utility model: the push-pull rotary adjusting mechanism comprises a connecting shaft, a guide block, a guide shaft, a fixing plate, a guide rod and a rotating shaft, the guide shaft is rotatably connected between the top and the bottom of the adjusting seat, and the two fixing plates are welded on one side of the circumference of the guide shaft.

As a still further scheme of the utility model: the two guide rods are respectively connected to one ends of the two fixing plates through rotating shafts, and the top and the bottom of the guide block are respectively connected to one ends of the two guide rods through rotating shafts.

As a still further scheme of the utility model: the connecting shaft is arranged on one side of the guide block and arranged at the extending end of the cylinder.

As a still further scheme of the utility model: the outer wall welding of one side of adjusting the seat has the spring post, and opens one side of guide block has the dashpot, and the end looks adaptation of dashpot and spring post.

As a still further scheme of the utility model: the pressure-regulating and flow-controlling mechanism comprises a C-shaped hemisphere, a sealing shifting sheet and a connecting shaft, and the connecting shaft is arranged on the outer wall of the bottom of the guide shaft and connected with the outer wall of the bottom of the guide shaft.

As a still further scheme of the utility model: the C-shaped hemisphere is arranged at the top end of the connecting shaft, and the bottom of the C-shaped hemisphere is connected with the inner wall of the bottom end of the flow guide pipe through the fixing block.

As a still further scheme of the utility model: the sealing shifting sheet is welded on the inner side of the C-shaped hemisphere.

Compared with the prior art, the utility model provides a pump head with adjustable flow and pressure, which has the following beneficial effects:

1. this pump head with adjustable flow and pressure, during operation, start the cylinder, drive the rotatory adjustment mechanism of push-and-pull in the regulation seat and begin work for the regulation and control of flow and pressure are carried out to the fluid in the water conservancy diversion pipe to pressure regulating and flow controlling mechanism, have effectively played the effect of adjusting the flow and the flowing pressure of fluid, have guaranteed the efficiency that fluid was carried.

2. This pump head with adjustable flow and pressure, when the cylinder drove the connecting axle and stretches out and draws back, the guide block of connecting axle tip has driven two guide arm swings, from this, has promoted the guide axle at the regulation seat internal rotation, and rotatory guide axle bottom has driven the work of pressure regulating accuse stream mechanism, has effectively accomplished the pressure regulating accuse stream work to the interior fluid of honeycomb duct, has guaranteed its steady operation.

3. This pump head with adjustable flow and pressure, when the guide block was when the displacement, the dashpot laminated mutually with the spring post to make the spring post shrink, effectively protected the stability of push-and-pull rotary adjusting mechanism work.

4. This pump head with adjustable flow and pressure has driven the C type hemisphere through the rotation of linking up the axle and has swung, and the wobbling range has changed the cross sectional area of the inside circulation of water conservancy diversion, and then has reached the effect of control flow and flowing pressure, and the sealed plectrum of its inboard can effectively avoid the problem of the seepage flow that causes because of the pressure of fluid circulation simultaneously, has improved the inside sealed effect of water conservancy diversion.

The parts which are not involved in the device are the same as or can be realized by adopting the prior art, and the device has the advantages of simple structure and convenient operation.

Drawings

Fig. 1 is a schematic front view of a pump head with adjustable flow and pressure according to the present invention;

FIG. 2 is a schematic diagram of an internal structure of an adjusting seat in a pump head with adjustable flow and pressure according to the present invention;

FIG. 3 is a schematic structural diagram of a push-pull rotary adjustment mechanism in a pump head with adjustable flow and pressure according to the present invention;

fig. 4 is a schematic structural diagram of a pressure regulating and controlling mechanism in a pump head with adjustable flow and pressure according to the present invention.

In the figure: 1-flow guide pipe, 2-support block, 3-cylinder, 4-adjusting seat, 5-support plate, 6-fixing seat, 7-guide post, 8-connecting shaft, 9-guide block, 10-buffer groove, 11-spring column, 12-guide shaft, 13-fixing plate, 14-guide rod, 15-rotating shaft, 16-C type hemisphere, 17-sealing shifting sheet and 18-connecting shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in 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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example 1

A pump head with adjustable flow and pressure is shown in figures 1-3 and comprises a fixed seat 6, wherein support plates 5 are respectively fixed on the outer walls of two sides of the bottom of the fixed seat 6 through bolts, and the bottom outer walls of the two support plates 5 are respectively fixed with the same adjusting seat 4 through bolts, the outer wall of one side of the adjusting seat 4 is fixed with a cylinder 3 through a fixing piece, the extending end of the cylinder 3 penetrates one side of the adjusting seat 4, the outer walls of four corners of the bottom of the adjusting seat 4 are respectively welded with the supporting blocks 2, and one diversion pipe 1 is welded at one side of the four support blocks 2, a push-pull rotary adjusting mechanism is arranged at the extending end of the cylinder 3, the top end of the push-pull rotary adjusting mechanism penetrates through the adjusting seat 4 and is rotatably connected with a guide pillar 7, the top end of the guide pillar 7 is rotatably connected with the bottom of the fixed seat 6 through a bearing, the bottom end of the push-pull rotary adjusting mechanism is provided with a pressure-regulating flow-controlling mechanism, and the pressure-regulating flow-controlling mechanism is arranged in the guide pipe 1; during operation, the cylinder 3 is started to drive the push-pull rotary adjusting mechanism in the adjusting seat 4 to start working, so that the pressure adjusting and controlling mechanism can adjust and control the flow and pressure of the fluid in the flow guide pipe 1, the effect of adjusting the flow and flow pressure of the fluid is effectively achieved, and the fluid conveying efficiency is ensured.

In order to drive the pressure-regulating and flow-controlling mechanism to work effectively, as shown in fig. 2-3, the push-pull rotary regulating mechanism comprises a connecting shaft 8, guide blocks 9, guide shafts 12, fixing plates 13, guide rods 14 and a rotating shaft 15, wherein the guide shafts 12 are rotatably connected between the top and the bottom of the regulating seat 4, the two fixing plates 13 are welded on one side of the circumference of the guide shafts 12, the two guide rods 14 are respectively connected to one ends of the two fixing plates 13 through the rotating shaft 15, the top and the bottom of the guide blocks 9 are respectively connected to one ends of the two guide rods 14 through the rotating shaft, the connecting shaft 8 is connected to one side of the guide blocks 9 through threads, and the connecting shaft 8 is connected to the extending end of the air cylinder 3 through threads; when the cylinder 3 drives the connecting shaft 8 to extend, the guide block 9 at the end part of the connecting shaft 8 drives the two guide rods 14 to swing, so that the guide shaft 12 is promoted to rotate in the adjusting seat 4, the bottom end of the rotating guide shaft 12 drives the pressure-regulating flow-controlling mechanism to work, the pressure-regulating flow-controlling work of fluid in the flow guide pipe 1 is effectively completed, and the stable work of the flow guide pipe is ensured.

In order to promote the pushing stability of the push-pull rotation adjusting mechanism, as shown in fig. 2, a spring column 11 is welded on the outer wall of one side of the adjusting seat 4, a buffer groove 10 is formed in one side of the guide block 9, and the buffer groove 10 is matched with the end part of the spring column 11; when the guide block 9 is displaced, the buffer groove 10 is attached to the spring column 11, and the spring column 11 is contracted, so that the working stability of the push-pull rotary adjusting mechanism is effectively protected.

The working principle is as follows: the cylinder 3 is started, the connecting shaft 8 is driven to stretch, the guide block 9 at the end part of the connecting shaft 8 drives the two guide rods 14 to swing, therefore, the guide shaft 12 is promoted to rotate in the adjusting seat 4, the bottom end of the rotating guide shaft 12 drives the pressure-adjusting and flow-controlling mechanism to work, the pressure-adjusting and flow-controlling mechanism conducts flow and pressure adjustment and control on fluid in the guide pipe 1, when the guide block 9 is displaced, the buffer groove 10 is attached to the spring column 11, the spring column 11 is made to shrink, and the working stability of the push-pull rotary adjusting mechanism is effectively protected.

Example 2

In order to promote the regulation and control of the flow rate and the flow pressure of fluid, as shown in fig. 4, the pressure-regulating and flow-controlling mechanism comprises a C-shaped hemisphere 16, a sealing shifting sheet 17 and a connecting shaft 18, wherein the connecting shaft 18 is connected to the outer wall of the bottom of a guide shaft 12 through a thread, the C-shaped hemisphere 16 is connected to the top end of the connecting shaft 18 through a thread, the bottom of the C-shaped hemisphere 16 is connected to the inner wall of the bottom end of a flow guide pipe 1 through a fixing block, and the sealing shifting sheet 17 is welded to the inner side of the C-shaped hemisphere 16; the C-shaped hemisphere 16 is driven to swing through the rotation of the connecting shaft 18, the swing amplitude changes the cross-sectional area of the internal circulation of the guide pipe 1, the flow and the flow pressure are controlled, meanwhile, the sealing shifting piece 17 on the inner side of the C-shaped hemisphere can effectively avoid the problem of seepage caused by the pressure of the fluid circulation, and the sealing effect of the internal part of the guide pipe 1 is improved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A pump head with adjustable flow and pressure comprises a fixed seat (6) and is characterized in that support plates (5) are respectively arranged on the outer walls of two sides of the bottom of the fixed seat (6), the outer walls of the bottoms of the two support plates (5) are respectively provided with the same adjusting seat (4), an air cylinder (3) is fixed on the outer wall of one side of the adjusting seat (4) through a fixing piece, the extending end of the air cylinder (3) penetrates through one side of the adjusting seat (4), support blocks (2) are respectively welded on the outer walls of four corners of the bottom of the adjusting seat (4), the same guide pipe (1) is welded on the opposite side of the four support blocks (2), a push-pull rotary adjusting mechanism is arranged at the extending end of the air cylinder (3), the top end of the push-pull rotary adjusting mechanism penetrates through the adjusting seat (4) and is rotatably connected with a guide pillar (7), the top end of the guide pillar (7) is rotatably connected with the bottom of the fixed seat (6) through a bearing, and a pressure-regulating and flow-controlling mechanism is arranged at the bottom end of the push-pull rotary adjusting mechanism, and the pressure-regulating and flow-controlling mechanism is arranged in the flow guide pipe (1).

2. A pump head with adjustable flow and pressure according to claim 1, wherein the push-pull rotation adjusting mechanism comprises a connecting shaft (8), a guide block (9), a guide shaft (12), a fixing plate (13), a guide rod (14) and a rotating shaft (15), the guide shaft (12) is rotatably connected between the top and the bottom of the adjusting base (4), and the two fixing plates (13) are welded to one side of the circumference of the guide shaft (12).

3. A pump head with adjustable flow and pressure according to claim 2, wherein the two guide rods (14) are connected to one end of the two fixing plates (13) through rotating shafts (15), respectively, and the top and bottom of the guide block (9) are connected to one end of the two guide rods (14) through rotating shafts, respectively.

4. A pump head with adjustable flow and pressure according to claim 2, wherein the connecting shaft (8) is arranged at one side of the guide block (9), and the connecting shaft (8) is arranged at the extended end of the cylinder (3).

5. A pump head with adjustable flow and pressure according to claim 1, wherein the outer wall of one side of the adjusting seat (4) is welded with a spring post (11), and one side of the guide block (9) is provided with a buffer slot (10), the buffer slot (10) is adapted to the end of the spring post (11).

6. A pump head with adjustable flow and pressure according to claim 1, wherein the pressure-regulating and flow-controlling mechanism comprises a C-shaped hemisphere (16), a sealing shifting plate (17) and a connecting shaft (18), and the connecting shaft (18) is disposed on the outer wall of the bottom of the guide shaft (12) and connected to the outer wall.

7. A pump head with adjustable flow and pressure according to claim 6, wherein the C-shaped hemisphere (16) is disposed at the top end of the connecting shaft (18), and the bottom of the C-shaped hemisphere (16) is connected to the inner wall of the bottom end of the fluid guide tube (1) through a fixing block.

8. A pump head with adjustable flow and pressure according to claim 6, wherein the sealing pick (17) is welded to the inside of the C-shaped hemisphere (16).