CN116857193A - Dry pump with motor convenient to maintain - Google Patents

Dry pump with motor convenient to maintain Download PDF

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Publication number
CN116857193A
CN116857193A CN202310859188.4A CN202310859188A CN116857193A CN 116857193 A CN116857193 A CN 116857193A CN 202310859188 A CN202310859188 A CN 202310859188A CN 116857193 A CN116857193 A CN 116857193A
Authority
CN
China
Prior art keywords
wall
block
arc
fixed connection
fixedly connected
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202310859188.4A
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Chinese (zh)
Inventor
陈刚
马学龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Landcore Vacuum Technology Suzhou Co ltd
Original Assignee
Landcore Vacuum Technology Suzhou Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Landcore Vacuum Technology Suzhou Co ltd filed Critical Landcore Vacuum Technology Suzhou Co ltd
Priority to CN202310859188.4A priority Critical patent/CN116857193A/en
Publication of CN116857193A publication Critical patent/CN116857193A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C25/00Adaptations of pumps for special use of pumps for elastic fluids
    • F04C25/02Adaptations of pumps for special use of pumps for elastic fluids for producing high vacuum
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C23/00Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
    • F04C23/02Pumps characterised by combination with, or adaptation to, specific driving engines or motors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/0092Removing solid or liquid contaminants from the gas under pumping, e.g. by filtering or deposition; Purging; Scrubbing; Cleaning
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The invention relates to the technical field of dry pumps, and discloses a dry pump with a motor convenient to maintain. This dry pump of convenient maintenance of motor, through being provided with rotating assembly, cooperation pivot, cross bar, driving gear and driven gear for the bull stick is at inside rotation of fixed block, thereby cooperation rectangular block, movable block and reset spring, make the ejector pin slide outside the toper cover is inside, thereby cooperation articulated lever, filter screen and flexible cover, when realizing the by-product polymer in the interception suction gas, can make the filter screen keep the slope, be convenient for collect the subassembly and collect by-product polymer.

Description

Dry pump with motor convenient to maintain
Technical Field
The invention relates to the technical field of dry pumps, in particular to a dry pump with a motor convenient to maintain.
Background
The dry mechanical pump is referred to as dry pump, and is a mechanical vacuum pump with pumping from atmospheric pressure, pumping pumped body directly to atmosphere, no oil or other working medium in the pump cavity and limit pressure in the same magnitude as or similar to that of oil-sealed vacuum pump.
The dry pump is a vacuum pump which uses a rotor rotating at a high speed to transmit momentum to gas molecules so as to obtain directional speed, so that the vacuum pump is compressed and driven to an exhaust port to be pumped away at a front stage, and has wide application in the industrial fields of semiconductor manufacturing, film preparation, fusion technology, mass spectrometry and the like.
Various dry pumps exist in the current market, but in the using process of the traditional dry pump, some byproduct polymers in the cavity flow into the pump body and are attached to the stator, the rotor and the bearing, the dynamic balance of the dry pump can be damaged for a long time, even the phenomenon of blocking can occur, the current dry pump lacks a mechanism for effectively intercepting and treating the byproduct polymers, in addition, the installation space of the dry pump is narrow, the motor of the traditional dry pump is installed inside, the disassembly and assembly difficulty is large, and the time and the labor are wasted when the motor needs to be maintained.
Disclosure of Invention
The invention aims to provide a dry pump with a motor convenient to maintain, so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a dry pump of convenient maintenance of motor, includes the board, board top laminating variable frequency power supply driving motor bottom, variable frequency power supply driving motor top fixed connection bottom block bottom, variable frequency power supply driving motor output passes through shaft coupling fixed connection center pin bottom, bottom block top fixed connection circular flange dish bottom, variable frequency power supply driving motor top is provided with the pump case, also fixed mounting has circular flange dish in pump case bottom, two circular flange dish carry out fixed connection through hexagonal screw and nut, center pin bottom arc outer wall sliding connection pump case bottom center arc inner wall, pump case bottom arc lateral wall fixed mounting has the gas outlet that runs through, pump case top fixed mounting has the top connecting block, the center pin is at the inside arc outer wall fixed connection rotor center arc inner wall of pump case, pump case arc inner wall fixed connection stator arc lateral wall, the pump case top is provided with rotating assembly, scrapes and moves subassembly and auxiliary assembly, rotating assembly includes:
the rotating shaft is fixedly connected to the bottom of the rotating shaft at the top center of the central shaft, the arc-shaped outer wall of the rotating shaft is fixedly connected with the arc-shaped inner wall of the center of the cross rod, one end of the cross rod, far away from the rotating shaft, is fixedly connected with the arc-shaped inner wall of the driving gear, the arc-shaped inner wall of the bottom end of the top connecting block is fixedly connected with the side wall of one end of the fixed block, the arc-shaped inner wall of one end of the fixed block, far away from the top connecting block, is rotationally connected with the arc-shaped outer wall of the rotating rod, the arc-shaped outer wall of the bottom end of the rotating rod is fixedly connected with the arc-shaped inner wall of the center of the driven gear, and the driving gear is meshed with the driven gear;
the rectangular block is fixedly connected with the arc inner wall at one end of the rectangular block through the arc outer wall at the top end of the rotating rod, the movable block is slidably arranged in the rectangular block, one end of the rectangular block, which is far away from the rotating rod, is fixedly connected with one end of a reset spring, the other end of the reset spring is fixedly connected with the side wall of the movable block, and the top of the movable block is fixedly connected with the bottom of the ejector rod;
the articulated rod, both ends are all rotated about the lateral wall of top connecting block front and back side and are installed the articulated rod, an articulated rod that is located the right side articulates the filter screen right-hand member, the filter screen width is the same with top connecting block inner wall width, an articulated rod that is located the left side articulates flexible cover bottom, flexible cover top articulates filter screen left end bottom, filter screen left end bottom fixed connection toper cover top, toper cover arc inner wall slip laminating ejector pin top.
Preferably, the bottom blocks are provided in a plurality of groups, and the circular cross section circle centers of the circular flange plates are used as array centers to be arrayed at the top of the variable frequency power supply driving motor at equal intervals, so that the fixed relation between the variable frequency power supply driving motor and the dry pump body can be conveniently relieved by unscrewing nuts and gaps between two adjacent bottom blocks, and the variable frequency power supply driving motor is convenient to maintain.
Preferably, the rotor and the stator are provided with a plurality of groups and are arranged in the pump shell in a staggered manner.
Preferably, the scraping assembly comprises a reciprocating screw rod, the left end and the right end of the reciprocating screw rod are respectively and rotatably connected in the side walls of the left end and the right end of the top connecting block, the arc-shaped outer wall of the reciprocating screw rod is fixedly connected with the arc-shaped inner wall of the center of the impeller, and a baffle is fixedly arranged on the side wall of the left direction and the right direction of the top end of the top connecting block.
Preferably, the impellers and the baffle are arranged in two groups, the two groups are symmetrically arranged at the left end and the right end of the reciprocating screw rod by taking the vertical central line of the reciprocating screw rod as a symmetrical axis, the rotation directions of the two impellers are the same, and the rear side wall of the baffle and the circle center of the section of the circular side wall of the impeller are in the same vertical plane, so that the air flow can drive the impeller to rotate better.
Preferably, the thread block is arranged on the outer side of the reciprocating screw rod in a threaded manner, a sliding rail is fixedly arranged on the side wall of the rear side of the thread block, and a sliding block is slidably arranged in the sliding rail.
Preferably, the bottom of the sliding block is fixedly connected with the top of the rear side of the long bar block, and the bottom of the long bar block is fixedly provided with bristles.
Preferably, the auxiliary assembly comprises a sliding column, the side wall of the rear side of the sliding block is fixedly connected with the side wall of one end of the sliding column, a parallelogram chute is formed in the inner wall of the rear side of the top connecting block, and one end, far away from the sliding block, of the sliding column is slidingly connected with the inside of the parallelogram chute.
Preferably, the screw thread piece top fixed connection L shape piece bottom, the fixed surface is connected at L shape piece top lower surface telescopic link top, telescopic link bottom fixed connection slider top, the telescopic link outside has cup jointed and has pasted tight spring.
Preferably, the pump case top is provided with the collection subassembly, top connecting block right side bottom inner wall fixed connection collects box top outer wall, collect box top inner wall fixed mounting has the swash plate, swash plate quantity is two, and uses the horizontal central line on the side direction around the collection box to set up at its inside left and right sides both ends as mirror image axle mirror image, just the contained angle of two swash plates is the obtuse angle, can prevent like this that the air current from flowing backward into and collecting the box inside.
Compared with the prior art, the invention provides the dry pump with the motor convenient to maintain, which has the following beneficial effects:
1. this dry pump of convenient maintenance of motor, through being provided with rotating assembly, cooperation pivot, cross bar, driving gear and driven gear for the bull stick is at inside rotation of fixed block, thereby cooperation rectangular block, movable block and reset spring, make the ejector pin slide outside the toper cover is inside, thereby cooperation articulated lever, filter screen and flexible cover, when realizing the by-product polymer in the interception suction gas, can make the filter screen keep the slope, be convenient for collect the subassembly and collect by-product polymer.
2. This dry pump of convenient maintenance of motor, in order to improve interception efficiency better, do not influence the use of dry pump, through being provided with and scrape movable assembly, cooperation reciprocating screw rod, impeller, baffle and slide rail for the screw thread piece drives the slider and does left and right reciprocating motion, thereby cooperates the rectangular piece to drive the brush hair and carries out left and right reciprocating scraping on the filter screen surface, thereby can prevent that accessory substance polymer gathering from blockking up the filtration pore of filter screen, effectively improves interception efficiency, does not influence the use of dry pump.
3. This dry pump of convenient maintenance of motor, in order to further improve interception efficiency, through being provided with auxiliary assembly, when the slider left and right sides remove to drive the traveller and do reciprocal annular slip in parallelogram spout, thereby cooperate L shape piece, telescopic link and paste tight spring, when can realizing that the brush hair removes from right to left, its bottom leaves the filter screen surface, and the return stroke motion can not bring back the accessory substance polymer like this, only when to collecting the subassembly motion, just can scrape and move the clearance.
4. This dry pump of convenient maintenance of motor, in order to collect better and handle accessory substance polymer, scrape movable assembly and auxiliary assembly through being provided with, scrape accessory substance polymer and collect in the collection box, and further, cooperate two swash plates, can prevent effectively that the air current from flowing backward into and collecting the box inside, prevent to take accessory substance polymer out.
Drawings
FIG. 1 is a right side view of an overall structure of the present invention;
FIG. 2 is a schematic cross-sectional view of a left-looking bottom portion of an overall structure of the present invention;
FIG. 3 is an enlarged schematic view of the area A of FIG. 2 according to the present invention;
FIG. 4 is a schematic cross-sectional view of a right-side view and a portion of a structure of the present invention;
FIG. 5 is an enlarged view of area B of FIG. 4 according to the present invention;
FIG. 6 is an enlarged view of the area C of FIG. 4 according to the present invention;
FIG. 7 is an enlarged schematic view of the area D of FIG. 4 according to the present invention;
fig. 8 is a schematic diagram of a portion of the structure of the present invention from a left side and from a top view.
In the figure: 1. a machine table; 2. a variable frequency power supply drives a motor; 3. a bottom block; 4. a central shaft; 5. a circular flange; 6. a pump housing; 7. an air outlet; 8. a top connection block; 9. a rotor; 10. a stator; 11. a rotating assembly; 111. a rotating shaft; 112. a cross bar; 113. a drive gear; 114. a fixed block; 115. a rotating rod; 116. a driven gear; 117. rectangular blocks; 118. a moving block; 119. a return spring; 1110. a push rod; 1111. a hinge rod; 1112. a filter screen; 1113. a telescopic sleeve; 1114. a conical cover; 12. a scraping assembly; 121. a reciprocating screw rod; 122. an impeller; 123. a baffle; 124. a screw block; 125. a slide rail; 126. a slide block; 127. a sliver block; 128. brushing; 13. an auxiliary component; 131. a spool; 132. a parallelogram chute; 133. an L-shaped block; 134. a telescopic rod; 135. attaching a spring; 14. a collection assembly; 141. a collection box; 142. and a sloping plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-8, the present invention provides a technical solution: the utility model provides a dry pump that motor convenient maintenance, including board 1, board 1 top laminating variable frequency power supply driving motor 2 bottom, variable frequency power supply driving motor 2 top fixed connection bottom block 3 bottom, variable frequency power supply driving motor 2 output passes through shaft coupling fixed connection center pin 4 bottom, bottom block 3 top fixed connection circular flange dish 5 bottom, variable frequency power supply driving motor 2 top is provided with pump case 6, pump case 6 bottom also fixed mounting has circular flange dish 5, two circular flange dish 5 carry out fixed connection through hexagonal screw and nut, bottom block 3 quantity is provided with the multiunit, and use circular flange dish 5 circular cross-section centre of a circle as array center equidistant circumference array at variable frequency power supply driving motor 2 top, can remove the fixed connection relation of two circular flange dish 5 through unscrewing the nut like this, and through the space between two adjacent bottom blocks 3, the fixed connection relation between the central shaft 4 and the coupling is relieved, thereby conveniently relieving the fixed relation between the variable frequency power supply driving motor 2 and the dry pump body, thereby being convenient for maintenance, the arc-shaped outer wall at the bottom end of the central shaft 4 is in sliding connection with the arc-shaped inner wall at the bottom of the pump shell 6, the arc-shaped side wall at the bottom end of the pump shell 6 is fixedly provided with a penetrating air outlet 7, the top of the pump shell 6 is fixedly provided with a top connecting block 8, the arc-shaped outer wall of the central shaft 4 in the pump shell 6 is fixedly connected with the arc-shaped inner wall at the center of the rotor 9, the arc-shaped inner wall of the pump shell 6 is fixedly connected with the arc-shaped side wall of the stator 10, the rotor 9 and the stator 10 are provided with a plurality of groups, and are mutually staggered in the pump shell 6, when the variable frequency power supply driving motor 2 is started, thereby driving the central shaft 4 to rotate, thereby being matched with the rotor 9 and the stator 10, the external air flow is sucked into the interior of the pump shell 6, and finally discharged from the air outlet 7, the top end of the pump housing 6 is provided with a rotating assembly 11, a scraping assembly 12 and an auxiliary assembly 13.
Referring to fig. 2-5, in one embodiment of the present invention, the rotating assembly 11 includes a rotating shaft 111, a top center of the central shaft 4 is fixedly connected to a bottom of the rotating shaft 111, when the central shaft 4 rotates, the rotating shaft 111 is driven to rotate, an arc-shaped outer wall of the rotating shaft 111 is fixedly connected to a central arc-shaped inner wall of the cross bar 112, one end of the cross bar 112 away from the rotating shaft 111 is fixedly connected to an arc-shaped inner wall of the driving gear 113, thereby cooperating with the cross bar 112 to rotate the driving gear 113, a bottom arc-shaped inner wall of the top connecting block 8 is fixedly connected to a side wall of the fixed block 114, one end arc-shaped inner wall of the fixed block 114 away from the top connecting block 8 is rotatably connected to an arc-shaped outer wall of the rotating rod 115, a bottom arc-shaped outer wall of the rotating rod 115 is fixedly connected to a central arc-shaped inner wall of the driven gear 116, the driving gear 113 is meshed with the driven gear 116, thereby cooperating with the driven gear 116 to rotate the rotating rod 115 inside the fixed block 114, the arc-shaped outer wall at the top end of the rotating rod 115 is fixedly connected with the arc-shaped inner wall at one end of the rectangular block 117, the movable block 118 is slidably arranged in the rectangular block 117, so that the movable block 118 slides in the rectangular block 117 towards the direction far away from the rotating rod 115 by utilizing centrifugal force, the inner wall at one end of the rectangular block 117 far away from the rotating rod 115 is fixedly connected with one end of a return spring 119, the other end of the return spring 119 is fixedly connected with the side wall of the movable block 118, at the same time, the return spring 119 is subjected to shrinkage deformation, the top of the movable block 118 is fixedly connected with the bottom of a top rod 1110, so that the movable block 118 drives the top rod 1110 to move towards the same direction, the left end and the right end of the side wall of the top connecting block 8 are rotatably provided with hinging rods 1111, one hinging rod 1111 is hinged with the right end of a filter screen 1112, the width of the filter screen 1112 is the same as that of the inner wall 1112 of the top connecting block 8, one hinging rod 1111 is hinged with the bottom of the telescopic sleeve 1113 at the left side, the top of the telescopic sleeve 1113 is hinged with the bottom of the left end of the filter screen, the bottom of the left end of the filter screen 1112 is fixedly connected with the top of the conical cover 1114, the arc-shaped inner wall of the conical cover 1114 is in sliding fit with the top of the ejector rod 1110, so that the top of the ejector rod 1110 slides towards the edge of the bottom of the rear end in the conical cover 1114, the hinge rod 1111 and the telescopic sleeve 1113 are matched, the left end of the filter screen 1112 is lifted, the filter screen 1112 can be kept inclined while the by-product polymer in sucked gas is intercepted, the by-product polymer is collected by the subsequent collection assembly 14 conveniently, the rotation of the central shaft 4 is stopped, the elastic potential energy of the restoring deformation of the reset spring 119 is utilized, the ejector rod 1110 moves in the opposite direction, and the left end of the filter screen 1112 falls back.
Referring to fig. 4 and 6-8, in one embodiment of the present invention, the scraping assembly 12 includes a reciprocating screw rod 121, inner portions of side walls at left and right ends of a top connecting block 8 are respectively rotatably connected with left and right ends of the reciprocating screw rod 121, an arc-shaped outer wall of the reciprocating screw rod 121 is fixedly connected with a central arc-shaped inner wall of an impeller 122, a baffle 123 is fixedly installed at a side wall of a left and right direction of a top end of the top connecting block 8, the impeller 122 and the baffle 123 are provided with two groups, and are symmetrically arranged at left and right ends of the reciprocating screw rod 121 by taking a vertical center line of the reciprocating screw rod 121 as a symmetry axis, and the two impellers 122 are rotated in the same direction, so that the reciprocating screw rod 121 is driven to rotate better, when an air current passes through the top connecting block 8 from top to bottom, a flow velocity difference at two sides of the impeller 122 is caused due to a shielding of the baffle 123 to a half of a top of the impeller 122, according to the method (in the head-on incoming flow, if a flow velocity difference is formed on two sides of an object, the static pressure on the side with higher flow velocity is lower, so that a magnus lift force is generated, the object is driven to rotate by air flow), the impeller 122 rotates, the reciprocating screw rod 121 is driven to rotate, the thread block 124 is arranged on the outer side of the reciprocating screw rod 121 in a threaded manner, the sliding rail 125 is fixedly arranged on the side wall of the rear side of the thread block 124, the sliding block 126 is slidably arranged in the sliding rail 125, the sliding rail 125 is matched with the sliding rail 125, the sliding block 126 is driven to do left and right reciprocating movement by the thread block 124, the bottom of the sliding block 126 is fixedly connected with the top of the rear side of the long bar 127, the bristles 128 are fixedly arranged at the bottom of the long bar 127, the bristles 128 are driven to do left and right reciprocating scraping on the surface of the filter screen 1112 by the long bar 127, thereby the filter pores of the filter screen 1112 can be prevented from being blocked by the aggregation of byproduct polymers, the interception efficiency is effectively improved, the use of the dry pump is not affected.
Referring to fig. 4, 7 and 8, in an embodiment of the present invention, the auxiliary assembly 13 includes a sliding column 131, a side wall at the rear side of the sliding block 126 is fixedly connected to a side wall at one end of the sliding column 131, a parallelogram chute 132 is provided on the inner wall at the rear side of the top connecting block 8, one end of the sliding column 131 far away from the sliding block 126 is slidingly connected to the inside of the parallelogram chute 132, when the sliding block 126 moves left and right, thereby driving the sliding column 131 to slide in the parallelogram chute 132 in a reciprocating annular manner, the top of the threaded block 124 is fixedly connected to the bottom of the L-shaped block 133, the bottom surface of the L-shaped block 133 is fixedly connected to the top of the telescopic rod 134, the bottom of the telescopic rod 134 is fixedly connected to the top of the sliding block 126, the top of the telescopic rod 134 is fixedly connected to the bottom of the top of the L-shaped block 133, the bottom of the telescopic rod 134 is tightly connected to the top of the sliding block 135, the telescopic rod 134 can restrict the deformation direction of the telescopic rod 135, when the sliding column 131 moves from the bottom of the parallelogram chute 132 to the top, the top of the sliding block 132 is matched with the L-shaped block 133, the telescopic rod 134 is contracted and the telescopic rod 135 is compressed and the telescopic rod 135 is tightly contacted with the sliding rod, thereby the sliding rod 126 and the brush hair side of the sliding rod 127 is matched with the bottom of the sliding block 127 to the top of the sliding block 132, thereby the filter cloth 128 is further contacted with the filter cloth to the filter screen to the top of the filter screen, and the filter screen is released by the filter screen, and the filter screen can be further, and the side is separated from the filter screen by the filter screen can be recovered by the filter screen by the return material by the return movement of the filter screen by the filter screen and the filter screen can be further contact effect by the return efficiency is further separated from the top surface of the top surface 128.
Referring to fig. 2 and 4, in an embodiment of the present invention, a collecting assembly 14 is disposed at the top end of the pump housing 6, the bottom inner wall on the right side of the top connecting block 8 is fixedly connected to the top outer wall of the collecting box 141, and is matched with the scraping assembly 12 and the auxiliary assembly 13 to scrape the byproduct polymer into the collecting box 141 for collection, two inclined plates 142 are fixedly mounted on the top inner wall of the collecting box 141, and the horizontal central lines in the front-rear side direction of the collecting box 141 are mirror images disposed at the left and right ends of the inside of the collecting box, and the included angle between the two inclined plates 142 is an obtuse angle.
Working principle: when the variable frequency power supply is started to drive the motor 2 so as to drive the central shaft 4 to rotate, thereby sucking external air flow into the pump shell 6 in cooperation with the rotor 9 and the stator 10 and finally discharging the air flow from the air outlet 7, and further, when the central shaft 4 rotates, the rotating shaft 111 is driven to rotate, the driving gear 113 is driven to rotate in cooperation with the cross rod 112, the rotating rod 115 is driven to rotate in cooperation with the driven gear 116 in the fixed block 114, the moving block 118 slides in the rectangular block 117 in a direction away from the rotating rod 115 by utilizing centrifugal force, meanwhile, the reset spring 119 is contracted and deformed, the moving block 118 drives the ejector rod 1110 to move in the same direction, the top of the ejector rod 1110 slides in the tapered cover 1114 to the bottom edge of the latter, the hinge rod 1111 and the telescopic sleeve 1113 are matched, the left end of the filter screen 1112 is lifted, and by-product polymer in sucked gas is intercepted, the filter 1112 can be kept inclined so as to facilitate the collection of the byproduct polymer by the subsequent collection assembly 14, the center shaft 4 stops rotating, the elastic potential energy of the restoring deformation of the restoring spring 119 is utilized to enable the ejector rod 1110 to move reversely, so that the left end of the filter 1112 falls back, further, when the airflow passes through the top connecting block 8 from top to bottom, the baffle 123 shields half of the top of the impeller 122, so that the flow velocity difference on two sides of the impeller is caused, and according to the condition that in the head-on inflow, if the flow velocity difference is formed on two sides of an object, the static pressure on the side with higher flow velocity is lower, and then the magnus lift force is generated, the airflow drives the object to rotate, the impeller 122 is driven to rotate, the reciprocating screw rod 121 is driven to rotate, and the sliding rail 125 is matched, so that the threaded block 124 drives the sliding block 126 to do left-right reciprocating movement, thereby cooperate rectangular piece 127 to drive brush hair 128 and scrape moving about filter screen 1112 surface to can prevent that accessory substance polymer gathering from blockking up filter screen 1112's filtration pore, effectively improve interception efficiency, do not influence the use of dry pump, further, when slider 126 moves about, thereby drive slide post 131 and do reciprocal annular slip in parallelogram spout 132, when slide post 131 slides to the top by the bottom in the parallelogram spout 132, cooperation L-shaped piece 133 makes telescopic link 134 shrink and tightly paste spring 135 and take place compression deformation, thereby cooperation slider 126 and rectangular piece 127 make brush hair 128 follow right-hand side when moving to left, its bottom leaves filter screen 1112 surface, return stroke motion can not bring accessory substance polymer back, only utilize tight spring 135 release elastic potential energy when moving to collection subassembly 14, make brush hair 128 drop contact filter screen 1112 top again, thereby scrape the clearance, thereby further improve interception efficiency, further, cooperation scraper assembly 12 and auxiliary assembly 13, scrape accessory substance polymer into collection box 141, further, cooperation two, can prevent effectively that accessory substance polymer from pouring out of the inside of collection box 141, and prevent that accessory substance polymer from flowing backward.
The foregoing invention has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.

Claims (10)

1. The utility model provides a dry pump of convenient maintenance of motor, includes board (1), its characterized in that: the utility model provides a variable frequency power supply driving motor (2) bottom is laminated at board (1) top, variable frequency power supply driving motor (2) top fixed connection bottom block (3) bottom, variable frequency power supply driving motor (2) output passes through shaft coupling fixed connection center pin (4) bottom, circular ring flange (5) bottom in bottom block (3) top fixed connection, variable frequency power supply driving motor (2) top is provided with pump case (6), also fixed mounting has circular ring flange (5) in pump case (6) bottom, two circular ring flange (5) carry out fixed connection through hexagonal screw and nut, gas outlet (7) that runs through are fixed to center pin (4) bottom arc outer wall sliding connection pump case (6) bottom central arc inner wall, pump case (6) top fixed mounting has top connecting block (8), center pin (4) are at inside arc outer wall fixed connection rotor (9) center arc inner wall of pump case (6) arc lateral wall, pump case (6) arc inner wall fixed connection stator (10) arc lateral wall, pump case (6) top is provided with rotating assembly (11), scrape movable assembly (11) and auxiliary assembly (11), including rotating assembly (11).
The rotary shaft (111), center shaft (4) top center fixed connection pivot (111) bottom, pivot (111) arc outer wall fixed connection cross bar (112) center arc inner wall, the one end fixed connection driving gear (113) arc inner wall that pivot (111) were kept away from to cross bar (112), top connecting block (8) bottom arc inner wall fixed connection fixed block (114) one end lateral wall, the one end arc inner wall rotation connection bull stick (115) arc outer wall that top connecting block (8) was kept away from to fixed block (114), bull stick (115) bottom arc outer wall fixed connection driven gear (116) center arc inner wall, driving gear (113) meshing is connected driven gear (116);
the device comprises a rectangular block (117), wherein the arc-shaped outer wall of the top end of the rotating rod (115) is fixedly connected with the arc-shaped inner wall of one end of the rectangular block (117), a moving block (118) is slidably arranged in the rectangular block (117), one end of the inner wall of one end, far away from the rotating rod (115), of the rectangular block (117) is fixedly connected with one end of a reset spring (119), the other end of the reset spring (119) is fixedly connected with the side wall of the moving block (118), and the top of the moving block (118) is fixedly connected with the bottom of a push rod (1110);
articulated pole (1111), both ends are all rotated around top connecting block (8) and are installed articulated pole (1111), articulated pole (1111) that is located the right side articulates filter screen (1112) right-hand member, filter screen (1112) width is the same with top connecting block (8) inner wall width, articulated flexible cover (1113) bottom that is located articulated pole (1111) in the left side, flexible cover (1113) top articulates filter screen (1112) left end bottom, filter screen (1112) left end bottom fixed connection toper cover (1114) top, toper cover (1114) arc inner wall slip laminating ejector pin (1110) top.
2. The dry pump for facilitating maintenance of an electric motor as set forth in claim 1, wherein: the number of the bottom blocks (3) is provided with a plurality of groups, and the bottom blocks are arrayed at the top of the variable-frequency power supply driving motor (2) at equal intervals by taking the circle center of the circular section of the circular flange plate (5) as the array center.
3. The dry pump for facilitating maintenance of an electric motor as set forth in claim 1, wherein: the rotor (9) and the stator (10) are provided with a plurality of groups and are arranged in the pump shell (6) in a staggered manner.
4. The dry pump for facilitating maintenance of an electric motor as set forth in claim 1, wherein: the scraping assembly (12) comprises a reciprocating screw rod (121), the inner parts of the side walls at the left end and the right end of the top connecting block (8) are respectively connected with the left end and the right end of the reciprocating screw rod (121) in a rotating mode, the arc-shaped outer wall of the reciprocating screw rod (121) is fixedly connected with the central arc-shaped inner wall of the impeller (122), and a baffle (123) is fixedly arranged on the side wall of the left direction and the right direction of the top end of the top connecting block (8).
5. The dry pump for facilitating maintenance of an electric motor as set forth in claim 4, wherein: the impeller (122) and the baffle (123) are provided with two groups, the two groups are symmetrically arranged at the left end and the right end of the reciprocating screw rod (121) by taking the vertical central line of the reciprocating screw rod as a symmetrical axis, the rotation directions of the two impellers (122) are the same, and the rear side wall of the baffle (123) and the circle center of the section of the circular side wall of the impeller (122) are in the same vertical plane.
6. The dry pump for facilitating maintenance of an electric motor as set forth in claim 4, wherein: the reciprocating screw rod (121) outside screw thread is installed screw thread piece (124), screw thread piece (124) rear side lateral wall fixed mounting has slide rail (125), slide rail (125) inside slidable mounting has slider (126).
7. The dry pump for facilitating maintenance of an electric motor as set forth in claim 6, wherein: the bottom of the sliding block (126) is fixedly connected with the top of the rear side of the long bar block (127), and bristles (128) are fixedly arranged at the bottom of the long bar block (127).
8. The dry pump for facilitating maintenance of an electric motor as set forth in claim 1, wherein: the auxiliary assembly (13) comprises a sliding column (131), the side wall of the rear side of the sliding block (126) is fixedly connected with the side wall of one end of the sliding column (131), a parallelogram sliding groove (132) is formed in the inner wall of the rear side of the top connecting block (8), and one end, far away from the sliding block (126), of the sliding column (131) is slidably connected with the inside of the parallelogram sliding groove (132).
9. The dry pump for facilitating maintenance of an electric motor as set forth in claim 6, wherein: the top of the threaded block (124) is fixedly connected with the bottom of the L-shaped block (133), the lower surface of the top of the L-shaped block (133) is fixedly connected with the top of the telescopic rod (134), the bottom of the telescopic rod (134) is fixedly connected with the top of the sliding block (126), and the outer side of the telescopic rod (134) is sleeved with a close-fitting spring (135).
10. The dry pump for facilitating maintenance of an electric motor as set forth in claim 1, wherein: the pump casing (6) top is provided with collection subassembly (14), collection box (141) top outer wall is collected to top connecting block (8) right side bottom inner wall fixed connection, collection box (141) top inner wall fixed mounting has swash plate (142), swash plate (142) quantity is two, and uses the horizontal central line in collection box (141) front and back side direction to set up at its inside left and right sides both ends as mirror image axle mirror image, just the contained angle of two swash plates (142) is the obtuse angle.
CN202310859188.4A 2023-07-13 2023-07-13 Dry pump with motor convenient to maintain Pending CN116857193A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310859188.4A CN116857193A (en) 2023-07-13 2023-07-13 Dry pump with motor convenient to maintain

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310859188.4A CN116857193A (en) 2023-07-13 2023-07-13 Dry pump with motor convenient to maintain

Publications (1)

Publication Number Publication Date
CN116857193A true CN116857193A (en) 2023-10-10

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310859188.4A Pending CN116857193A (en) 2023-07-13 2023-07-13 Dry pump with motor convenient to maintain

Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117401749A (en) * 2023-12-08 2024-01-16 海兴县新源化工有限公司 Oil field reinjection water on-line automatic monitoring dosing equipment and process

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117401749A (en) * 2023-12-08 2024-01-16 海兴县新源化工有限公司 Oil field reinjection water on-line automatic monitoring dosing equipment and process

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