阅读说明：本技术 一种稳定性高的潜水泵转子 (High-stability submersible pump rotor ) 是由 刘干滨 于 2021-09-27 设计创作，主要内容包括：本发明公开了一种稳定性高的潜水泵转子,涉及机械设备用结构技术领域。本发明包括转子机构、稳定机构、控量机构和散热机构,转子机构端部连接有轴座,且轴座外中部固定连接有稳定机构,稳定机构包括的的一组供油箱上中部贯穿有螺柱,且供油箱内端中部的盖板外端等距贯穿有供油管；供油箱内侧壁呈贯穿供油管等距连接有控量机构,且供油箱外端中部等距连接有散热机构。本发明通过设置稳定机构、控量机构和散热机构,解决了现有潜水泵转子,一般依靠紧固的方式提升自身的稳定性,而润滑性的不足,同样影响自身的稳定性,或用于润滑的结构大量的润滑油直接外排,造成资源的浪费,同时,润滑结构自身功能单一化,满足不了使用需求的问题。(The invention discloses a submersible pump rotor with high stability, and relates to the technical field of structures for mechanical equipment. The invention comprises a rotor mechanism, a stabilizing mechanism, a quantity control mechanism and a heat dissipation mechanism, wherein the end part of the rotor mechanism is connected with a shaft seat, the middle part outside the shaft seat is fixedly connected with the stabilizing mechanism, the middle part of a group of oil supply tanks which comprises the stabilizing mechanism is provided with a stud, and the outer end of a cover plate at the middle part of the inner end of the oil supply tank is provided with oil supply pipes in an equidistant way; the inner side wall of the oil supply tank penetrates through the oil supply pipe at equal intervals and is connected with a quantity control mechanism, and the middle part of the outer end of the oil supply tank is connected with a heat dissipation mechanism at equal intervals. The invention solves the problems that the prior submersible pump rotor generally depends on a fastening mode to improve the stability of the prior submersible pump rotor, but the lubricity is insufficient, the stability of the prior submersible pump rotor is also influenced, or a large amount of lubricating oil in a lubricating structure is directly discharged, so that the resource waste is caused, and meanwhile, the lubricating structure has a single function and cannot meet the use requirement.)

1. The utility model provides a high immersible pump rotor of stability, includes rotor mechanism (100), stabilizing mean (300), accuse volume mechanism (400) and heat dissipation mechanism (500), its characterized in that: the end part of the rotor mechanism (100) is connected with a shaft seat (200), the outer middle part of the shaft seat (200) is fixedly connected with a stabilizing mechanism (300), the middle part of the upper part of a group of oil supply tanks (310) which are included in the stabilizing mechanism (300) is penetrated with a stud (320), and the outer ends of cover plates (330) in the middle parts of the inner ends of the oil supply tanks (310) are penetrated with oil supply pipes (340) at equal intervals;

the inside wall of the oil supply tank (310) is connected with a quantity control mechanism (400) in an equidistant mode through an oil supply pipe (340), and the middle part of the outer end of the oil supply tank (310) is connected with a heat dissipation mechanism (500) in an equidistant mode.

2. The high-stability submersible pump rotor according to claim 1, characterized in that the rotor mechanism (100) comprises an open frame structure with an equidistant welded outer surface of a ring frame (110), a rotor core (130) is sleeved in the open frame structure, an end ring (120) is clamped at the end of the ring frame (110), and a shaft rod (140) is arranged in the middle of the ring frame (110).

3. The high-stability submersible pump rotor according to claim 2, characterized in that the ring frame (110) is arranged as a group of ring pipes (111) with central symmetry, and a screw block (112) is welded in the middle of one side in the ring pipe (111), and the screw thread of the screw block (112) extends into a screw cavity (113) formed in the middle of the other side in the ring pipe (111).

4. The high-stability submersible pump rotor according to claim 1, wherein the shaft seat (200) comprises a group of outer rings (210) in which inner rings (220) are arranged, balls (230) are connected between the inner sides of the inner rings (220) and the outer rings (210) in a rolling manner, and a sleeve (240) is sleeved on the inner side walls of the inner rings (220).

5. The high-stability submersible pump rotor according to claim 4, characterized in that the ring block (250) is welded at the rear part of the outer end of the outer ring (210), the middle part of the ring block (250) is arranged in a threaded hole with equal distance, and the inner end part of the sleeve (240) is arranged in a threaded groove.

6. The high-stability submersible pump rotor according to claim 2, characterized in that the middle end and the front end of the shaft rod (140) are arranged in equidistant thread grooves, the middle of the rear end of the shaft rod (140) is arranged in a penetrating through hole, and the opening frame is arranged in a penetrating ring groove.

7. The submersible pump rotor with high stability according to claim 1, wherein the amount control mechanism (400) comprises a movable pipe (410), one side of the movable pipe (410) is connected with a movable rod (430) through a telescopic spring (420), a sealing block (440) is welded at the front end of the middle of the movable rod (430), and damping is arranged between the peripheral side of the sealing block (440) and the inner side wall of the oil supply pipe (340).

8. The submersible pump rotor with high stability of claim 1, wherein the heat dissipation mechanism (500) comprises a plurality of arc-shaped fan blades (510), a screw (520) is connected to the arc-shaped fan blades (510) at the upper middle part, and the upper end threads of the screw (520) extend into a spiral pipe (530) welded at the middle part of the outer end of the oil supply tank (310) at equal intervals.

Technical Field

The invention belongs to the technical field of structures for mechanical equipment, and particularly relates to a submersible pump rotor with high stability.

Background

The submersible pump is an important device for pumping water from a deep well. When in use, the whole unit is submerged to work, and underground water is extracted to the ground surface, so that the unit is used for domestic water, mine emergency, industrial cooling, farmland irrigation, seawater lifting and ship load regulation, and can also be used for fountain landscape. The hot water submersible pump is used for hot spring bathing, can also be suitable for extracting underground water from deep wells, can also be used for rivers, reservoirs, water channels and the like, and the rotor belongs to a submersible pump composition structure and has the function of outputting torque.

Through retrieval, chinese granted patent No. CN206412856U, granted published japanese 2017.08.15, granted to disclose a motor rotor with high stability, including an iron core and magnetic steel, the magnetic steel is bonded on the outer wall of the iron core through a special adhesive, the magnetic steel is further sleeved with a positioning plate, and the positioning plate is fixed on the iron core through a hexagon screw. The utility model discloses the locating plate component has been added in the overall structure of rotor to carry out simple fluting to the magnet steel and handled, both cooperate the back through the hex bolts to fix on the iron core, greatly strengthened overall structure's stability, need not do any complicated processing to the iron core, can be structural in original iron core carry out simply reform transform can. The utility model has the advantages of simple integral structure, convenient processing, high stability and high popularization and use value.

Through the retrieval, chinese granted patent number CN213279309U, granted publication date 2021.05.25, the grant discloses a high stability's motor rotor dish mechanism, belongs to motor rotor technical field, including left-hand turntable and right-hand turntable, left-hand turntable and right-hand turntable all with the coaxial fixed mounting of motor shaft, the outside of left-hand turntable and right-hand turntable all rotates the installation through bearing and motor casing, still set up the automatic gripping platform of grabbing of manipulator of being convenient for on left-hand turntable and the right-hand turntable for solve the motor rotor dish among the prior art structure concentricity poor, process the low and axial dimension and lead to the poor technical problem of stability greatly.

Through retrieval, Chinese granted patent No. CN214013972U, granted Japanese disclosure 2021.08.20, granted disclosure disclose a high stability easy to install motor rotor, solve the problems of complicated structure, complicated installation process and time and labor consuming of manual installation of motor rotors in the current market, which comprises a rotor shaft lever, a core ring is clamped on the surface of the rotor shaft lever, an insertion hole is arranged at the axis of the core ring, a rotary bearing is movably connected inside the insertion hole, an insertion groove is arranged on the inner surface of the rotary bearing, two clamping frames are fixedly connected on the surface of the rotor shaft lever, the two clamping frames are respectively clamped inside the two insertion grooves, a connecting gear and a slip ring are respectively arranged at one end of the surface of the rotor shaft lever, the high stability easy to install motor rotor has reasonable structural design, the clamping frames are utilized to enable the connection between the rotor shaft lever and the core ring to be tighter, thereby improving the stability between the rotor shaft lever and the core ring, the disassembly and assembly can be carried out in a segmented manner during disassembly and assembly, the disassembly and assembly process is simplified, and the maintenance is facilitated.

However, the following disadvantages still exist in the practical use:

1. the existing submersible pump rotor generally depends on a fastening mode to improve the stability of the rotor, but the lack of lubricity also influences the stability of the rotor;

2. the existing submersible pump rotor or a structure for lubricating has a volume-uncontrolled structure, so that a large amount of lubricating oil is directly discharged outside, resource waste is caused, and the cost is increased;

3. the existing submersible pump rotor is used for lubricating a structure and only has the characteristic of lubrication, the function is simplified, and the use requirement cannot be met.

Therefore, the existing submersible pump rotor with high stability cannot meet the requirements in practical use, so that an improved technology is urgently needed in the market to solve the problems.

Disclosure of Invention

The invention aims to provide a high-stability submersible pump rotor, which solves the problems that the existing submersible pump rotor generally depends on a fastening mode to improve the stability of the existing submersible pump rotor, but the lubricity is insufficient, the stability of the existing submersible pump rotor is affected, or a lubricating structure has no self-controlled quantity structure, a large amount of lubricating oil is directly discharged, so that the resource waste is caused, the cost is increased, and meanwhile, the lubricating structure only has the lubricating characteristic, the function is simplified, and the use requirement cannot be met.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the invention relates to a high-stability submersible pump rotor which comprises a rotor mechanism, a stabilizing mechanism, a quantity control mechanism and a heat dissipation mechanism, wherein the end part of the rotor mechanism is connected with a shaft seat, the middle part outside the shaft seat is fixedly connected with the stabilizing mechanism, the middle part of a group of oil supply tanks of the stabilizing mechanism is provided with a stud in a penetrating way, and the outer end of a cover plate in the middle part of the inner end of each oil supply tank is provided with oil supply pipes in an equidistant penetrating way;

the oil supply tank inside wall is to run through the oil feed pipe equidistance and is connected with accuse volume mechanism, and oil supply tank outer end middle part equidistance is connected with heat dissipation mechanism.

Furthermore, the outer surface of a ring frame of the rotor mechanism is provided with an opening frame which is welded at equal intervals, a rotor core is sleeved in the opening frame, an end ring is clamped at the end part of the ring frame, and a shaft lever is arranged in the middle of the ring frame.

Based on above-mentioned technical characteristics, by the ring frame surface equidistance carry on accepting of opening frame to carry out the structure through opening frame to the rotor core and put into, and carry out primary connection to it, then carry out secondary connection fixedly to the rotor core through the ring frame, simultaneously, be used for by the axostylus axostyle with outer drive structure and atress structural connection, carry out the transmission of outer drive structure power.

Furthermore, the ring frame is arranged in a group of ring pipes with central symmetry, a screw block is welded in the middle of one side in each ring pipe, and the screw threads of the screw block extend into a screw cavity formed in the middle of the other side in each ring pipe.

Based on above-mentioned technical characteristics, by the threaded connection of structure between spiral shell piece and spiral shell chamber, carry out the connection of structure between a set of ring pipe and fix, and adopt threaded connected mode to and carry out a set of setting to the ring frame, easily carry out the dismouting of structure to it to reduce the cost after its damages.

Furthermore, the shaft seat comprises a group of outer rings, inner rings are arranged inside the outer rings, balls are connected between the inner sides of the inner rings and the outer rings in a rolling mode, and the inner side walls of the inner rings are sleeved with sleeves.

Based on the technical characteristics, the balls are structurally received by the side walls of the outer ring and the inner ring, the sleeve is received by the inner side wall of the inner ring, the shaft rod is received by the sleeve, and the friction force generated in the rotation of the shaft rod is reduced by the rolling of the balls between the side walls of the outer ring and the inner ring.

Furthermore, the rear part of the outer end of the outer ring is welded with a ring block, the middle part of the ring block is provided with equidistant through screw holes, and the inner end part of the sleeve is provided with a thread groove.

Based on the technical characteristics, the screw holes are used for carrying out structural bearing on the outer bolts so as to position the ring block in a structural mode and further fixedly connect the shaft seat.

Further, axostylus axostyle middle part tip and front end all are the thread groove setting of equidistance, and axostylus axostyle rear end middle part is the mouthful setting of wearing that runs through, and the opening frame is whole to be the annular setting that runs through.

Based on the technical characteristics, the thread groove structure is used for fastening and connecting the shaft lever and the sleeve pipe, the structure is easy to disassemble and assemble, the penetrating opening is used for connecting one end of the shaft lever and the external driving structure, and the ring groove is used for carrying out structural bearing on the end ring.

Further, one side in the movable pipe that accuse volume mechanism includes is connected with the movable rod through expanding spring, and the welding of movable rod middle part front end has the sealed piece, and the damping sets up between sealed piece week side and the oil feed pipe inside wall.

Based on above-mentioned technical characteristic, by the conflict between ball and the movable rod outer end and be connected for the movable rod of atress extends to the movable tube, makes to break away from between sealed piece and the fuel feed pipe, and produces certain gap, makes partial a small amount of lubricating oil statistics cross the gap and arrange outward, carries out the self-lubricating processing to the ball.

Further, heat dissipation mechanism includes a plurality of arc flabellums, and the middle part is connected with the screw rod on the arc flabellum, and screw rod upper end screw thread extends into in the welded spiral pipe of fuel feeding tank outer end middle part equidistance.

Based on the technical characteristics, the threaded connection of the screw rod and the screw pipe is adopted to connect and fix the fan blade structure, the fan blade structure is easy to disassemble and assemble by adopting a threaded connection mode, and meanwhile, the fan blade rotates when the rotor rotates, so that the rotor in operation is subjected to heat dissipation treatment.

The invention has the following beneficial effects:

1. the rotor self-lubricating device is provided with the stabilizing mechanism, the rotor is stably and structurally connected, and meanwhile self-lubricating treatment is carried out on the rotor, so that the running stability of the rotor self-lubricating device is improved again.

2. The invention carries out external oil control treatment on an oil supply structure by arranging an amount control mechanism, reduces the consumption of lubricating oil, saves resources and reduces the use cost while ensuring the lubrication of a shaft seat, and particularly, the amount control mechanism comprises a movable pipe connected to the inner side of the oil supply tank, a movable rod is elastically connected in the movable pipe through a telescopic spring, a sealing block is connected at the front end of the movable rod, the sealing block is in damping connection with the inner side wall of the oil supply pipe, when the shaft seat is lubricated, a proper amount of lubricating oil is placed in the oil supply tank, through the collision between a ball and the movable rod, the movable rod moves towards the movable pipe under the condition that the telescopic spring is stressed and compressed to deform, so that the sealing block is separated from the oil supply pipe temporarily, and a small amount of lubricating oil is discharged through a gap generated between the oil supply pipe and the sealing block to lubricate the ball, the lubricating oil that is continuous carries out the ball through a small amount of outer row carries out the lubrication, when guaranteeing the good lubrication of ball, avoids lubricating oil once only to arrange outward, causes the resource loss.

3. The invention improves the self functionality by increasing the heat dissipation function of the oil supply structure through arranging the heat dissipation mechanism so as to meet the increasing use requirements, and particularly, the heat dissipation mechanism comprises a plurality of fan blades which are arranged in the spiral pipe through screw threads, the fan blades rotate while the external driving structure drives the rotor to rotate, the fan blades are used for carrying out internal air cooling treatment on the rotor through wind generated by the fan blades, and the fan blades can be easily disassembled by adopting a threaded connection mode between the screw and the spiral pipe.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

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

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

FIG. 2 is a schematic connection diagram of the shaft seat, the stabilizing mechanism and the heat dissipating mechanism of the present invention;

FIG. 3 is a schematic view of the connection between the stabilizing mechanism and the air volume mechanism according to the present invention;

FIG. 4 is a schematic view of a quantity control mechanism of the present invention;

FIG. 5 is a schematic view of a heat dissipation mechanism according to the present invention;

FIG. 6 is a schematic view of a shaft seat of the present invention;

FIG. 7 is a schematic view of a rotor mechanism of the present invention;

FIG. 8 is a schematic view of a shaft and sleeve connection according to the present invention;

FIG. 9 is a schematic view of the ring frame assembly of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

100. a rotor mechanism; 110. a ring frame; 111. a ring pipe; 112. a screw block; 113. a spiral cavity; 120. an end ring; 130. a rotor core; 140. a shaft lever; 200. a shaft seat; 210. an outer ring; 220. an inner ring; 230. a ball bearing; 240. a sleeve; 250. a ring block; 300. a stabilizing mechanism; 310. an oil supply tank; 320. a stud; 330. a cover plate; 340. an oil supply pipe; 400. a quantity control mechanism; 410. a movable tube; 420. a tension spring; 430. a movable rod; 440. a sealing block; 500. a heat dissipation mechanism; 510. a fan blade; 520. a screw; 530. a solenoid.

Detailed Description

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

Referring to fig. 1-9, the present invention provides a high-stability submersible pump rotor, which includes a rotor mechanism 100, a stabilizing mechanism 300, a quantity control mechanism 400 and a heat dissipation mechanism 500, wherein the end of the rotor mechanism 100 is connected with a shaft seat 200, the middle of the outer side of the shaft seat 200 is fixedly connected with the stabilizing mechanism 300, a stud 320 penetrates through the middle of the upper part of a group of oil supply tanks 310 included in the stabilizing mechanism 300, and oil supply pipes 340 penetrate through the outer ends of cover plates 330 in the middle of the inner ends of the oil supply tanks 310 at equal intervals;

the inner side wall of the oil supply tank 310 penetrates through the oil supply pipe 340 and is equidistantly connected with the quantity control mechanism 400, and the middle part of the outer end of the oil supply tank 310 is equidistantly connected with the heat dissipation mechanism 500;

one side in the movable pipe 410 included in the quantity control mechanism 400 is connected with a movable rod 430 through a telescopic spring 420, the front end of the middle part of the movable rod 430 is welded with a sealing block 440, and the damping arrangement is arranged between the peripheral side of the sealing block 440 and the inner side wall of the oil supply pipe 340;

the heat dissipation mechanism 500 includes a plurality of arc-shaped fan blades 510, and the middle parts of the arc-shaped fan blades 510 are connected with a screw 520, the upper end threads of the screw 520 extend into a screwed pipe 530 welded at equal intervals in the middle part of the outer end of the oil supply tank 310, when the rotor mechanism 100 is used;

firstly, assembling the rotor mechanism 100, wherein at the moment, a group of ring pipes 111 are manually controlled in structure and horizontally arranged oppositely, at the moment, an inward pushing force is applied to the group of ring pipes 111 and a tightening force is applied to the group of ring pipes, so that the screw block 112 extends into the screw cavity 113 in a threaded manner, and the ring pipes 111 are assembled and used for connecting and fixing the ring frame 110 structure;

then, the rotor core 130 is placed in the open frame equidistantly arranged on the outer surface of the ring frame 120, and a force pushing inwards is applied to the open frame, so that the rotor core 130 is in damping connection in the open frame, and is primarily connected and fixed, at this time, the end rings 120 are clamped in the ring grooves at the front and rear ends of the open frame, the rotor core 130 is secondarily connected and fixed, so that the rotor core 130 is in a stable connection state, at this time, a proper number of balls 230 are placed between the inner side walls of the outer ring 210 and the inner ring 220, so that the balls 230 are in contact connection with the inner side walls of the outer ring 210 and the inner ring 220, and the sleeve 240 is sleeved in the middle of the inner ring 220, so as to assemble the shaft seat 200, at this time, the shaft seat 200 is placed at the front and rear ends of the ring frame 110, and the outer bolts are placed in the screw holes equidistantly arranged in the middle of the ring block 250, and at the same time, a tightening force is applied to connect and fix the structure of the shaft seat 200, at this time, the screw 520 connected with the fan 510 is placed in the screw tube 530, and simultaneously, a tightening force is applied to structurally connect and fix the fan 510;

then, one end of the shaft rod 140 penetrates through the sleeve 240, and a tightening force is applied to enable the threaded groove at the front end of the shaft rod 140 to penetrate through the sleeve 240, and the threaded grooves at the front side and the rear side of the middle of the shaft rod 140 are in threaded connection with the end of the sleeve 240, so that the sleeve 240 is fixedly connected with the shaft rod 140, at the moment, the end of the shaft rod 140 is respectively connected with an external stress structure and an external driving structure, and the rotor mechanism 100 is driven to normally operate through the driving structure;

secondly, when the shaft 140 drives the rotor core 130 to rotate, the stabilizing mechanism 300 rotates, and the heat dissipation mechanism 500 connected to the stabilizing mechanism 300 also rotates, at this time, the fan blades 510 rotate, and the wind generated by the fan blades 510 is used for performing internal air cooling treatment on the rotor mechanism 100;

finally, when the shaft 140 rotates, the ball 230 rotates in the side walls of the outer ring 210 and the inner ring 220, and after the ball 230 is used for a long time, it needs to be lubricated, at this time, the movable rod 430 is elastically connected in the movable tube 410 through the extension spring 420, meanwhile, the front end of the movable rod 430 is connected with the sealing block 440, and the sealing block 440 is in damping connection with the inner side wall of the oil supply tube 340, at this time, a proper amount of lubricating oil is put into the oil supply tank 310, and through the interference between the ball 230 and the movable rod 430, the movable rod 430 moves into the movable tube 410 in a state that the extension spring 420 is deformed by being compressed by force, so that the sealing block 440 and the oil supply tube 340 are separated temporarily, and a small amount of lubricating oil is discharged through a gap generated between the oil supply tube 340 and the sealing block 440, and the ball 230 can be lubricated.

As shown in fig. 9, the outer surface of the ring frame 110 included in the rotor mechanism 100 is provided with an opening frame welded at equal intervals, the opening frame is sleeved with the rotor core 130, the end of the ring frame 110 is clamped with the end ring 120, and the middle of the ring frame 110 is provided with the shaft rod 140, specifically, when the rotor mechanism 100 is used, the rotor core 130 is placed in the opening frame, and a force pushing inwards is applied to perform a primary connection of the structure of the rotor core 130, at this time, the end ring 120 is clamped in the ring grooves at the front and rear ends of the opening frame to perform a secondary connection and fixation of the structure of the rotor core 130, and meanwhile, the end of the shaft rod 140 is respectively connected and fixed with the external stressed structure and the external driving structure;

ring frame 110 is a set of ring canal 111 setting of central symmetry, and the welding of one side middle part has spiral shell piece 112 in ring canal 111, spiral shell piece 112 screw thread extends into the spiral shell chamber 113 that the opposite side middle part was seted up in ring canal 111, it is concrete, when carrying out the equipment of ring frame 110 structure, place a set of ring canal 111 relatively, and apply the power of screwing up when exerting inside thrust to it, make spiral shell piece 112 screw thread extend into spiral shell chamber 113 in can, and through applying above-mentioned reverse step, can carry out the dismantlement to ring frame 110 structure.

As shown in fig. 6, an inner ring 220 is arranged inside a group of outer rings 210 included in the shaft seat 200, balls 230 are connected between inner sides of the inner ring 220 and the outer rings 210 in a rolling manner, and a sleeve 240 is sleeved on an inner side wall of the inner ring 220, specifically, when the shaft seat 200 is used, the balls 230 are placed between the inner side walls of the inner ring 220 and the outer rings 210, and the balls 230 are in contact connection with the inner side walls of the inner ring 220 and the outer rings 210, at this time, the sleeve 240 is connected to the middle of the inner ring 220, one end of the shaft rod 140 is placed in the sleeve 240, and a rotational force is applied to the sleeve 240 while a pushing force is applied, so that thread grooves on the front side and the rear side of the middle of the shaft rod 140 are in threaded connection with end portions of the sleeve 240;

the rear part of the outer end of the outer ring 210 is welded with a ring block 250, the middle part of the ring block 250 is provided with screw holes which are arranged at equal intervals and penetrate through, the inner end part of the sleeve 240 is provided with a thread groove, specifically, when the shaft seat 200 is connected, the ring block 250 is placed at the designated position of the outer end of the oil supply tank 310, the outer bolt is placed in the screw hole, the tightening force is applied, and when the structure is disassembled, the reverse steps are applied.

Wherein as shown in fig. 1, the middle end of the shaft rod 140 and the front end are all provided with equidistant thread grooves, and the middle of the rear end of the shaft rod 140 is provided with a through opening, the opening frame is provided with all through ring grooves, specifically, the shaft rod 140 is used, the structure of the shaft rod 140 and the sleeve 240 is fastened and connected by the thread groove structure, the structure is easy to be disassembled and assembled, the connection between one end of the shaft rod 140 and the external driving structure is carried out by the through opening, and the end ring 120 is structurally received by the ring grooves.

The above are only preferred embodiments of the present invention, and the present invention is not limited thereto, and any modification, equivalent replacement, and improvement made to the technical solutions described in the above embodiments, and to some of the technical features thereof, are included in the scope of the present invention.