CN207092873U - The cabinet door of medical cleaner - Google Patents

Abstract

The utility model provides a kind of cabinet door of medical cleaner, it is related to medical cleaning equipment field, novel cabinet door includes cabinet door component and threshold component, threshold component includes threshold lower groove, threshold backing plate, second piston cylinder, threshold mainboard, the second rotating shaft, the 3rd connector, movable part and at least two pieces of installing plates, the bottom of cabinet door component is slidably embedded in threshold lower groove, and threshold mainboard can slide along the width of threshold lower groove.The present apparatus is simple in construction easy to operate, quick, sets locking device, makes its good sealing effect.And, the threshold mainboard that can be moved freely is provided with threshold position, on the premise of can closing and open ensureing door component, the groove at threshold is closed, ensures that the cleaned article of cleaning stroller and operation table, wheelchair etc. makes smooth advances, releases cleaning cabin.

Description

The cabinet door of medical cleaner

Technical field

The utility model relates generally to medical cleaning equipment field, in particular to a kind of cabinet door of medical cleaner.

Background technology

Medical cleaner is mainly used in cleaning and sterilization to medicine equipment, during cleaning, can put operating theater instruments, vessel It in cleaning stroller, then will clean in cleaning stroller push-in cleaning cabin, or directly the large items such as operation table, wheelchair will be put into clearly Washing of tanks is cleaned, and the cabinet door for being then shut off cleaning machine is washed.Cabin is cleaned in cleaning process and have accumulated largely has necessarily Spray, the splashing hot water of hydraulic pressure, thus it is higher to the seal request of cabinet door.Meanwhile pushed away by cleaning stroller, operation table, wheelchair etc. , it is necessary to steadily push in when entering to clean cabin, in order to avoid the article that infringement cleaning machine and needs clean.

Cleaning-machine structure of the prior art is complicated, and has that poor reliability, discontinuity, door sealing be not tight etc. to ask Topic.

Utility model content

The purpose of this utility model is to provide a kind of cabinet door of medical cleaner, the problem of above-mentioned is effectively changed It is kind.

What the utility model was realized in：

Based on above-mentioned purpose, embodiment of the present utility model provides a kind of cabinet door of medical cleaner, the novel cabinet Door includes cabinet door component, and the cabinet door component includes door support frame, door component, drive mechanism and retaining mechanism, the door support Frame is frame structure, and the door component is slidably matched with the door support frame, and the drive mechanism and the retaining mechanism are pacified Loaded on the door support frame, the drive mechanism is used to drive the door component slippage, and the door component has the door branch The first state of support closing and the second state for opening the door support frame, the retaining mechanism are arranged at the door branch The edge of support and for by the door component lock.

In alternative embodiment of the present utility model, the door support frame include be column structure crossbeam, first vertical Post and the second column, first column and the second column are arranged side by side, and the crossbeam is connected to first column and described The top of second column, first column are located at one end of the crossbeam, and second column is located at the centre of the crossbeam Position, the crossbeam are hollow structure, and the bottom of the crossbeam offers opening, first is rotatably provided with the crossbeam Synchronizing wheel and the second synchronizing wheel, first synchronizing wheel is arranged at one end of close first column of the crossbeam, described Second synchronizing wheel is arranged at the position of close second column of the crossbeam, the drive mechanism be installed on the crossbeam and Rotated and connected by timing belt for driving second synchronizing wheel to rotate, between first synchronizing wheel and second synchronizing wheel Connect；

The door component includes doorframe, core plate, the first connector, the second connector, the first scroll wheel and the second scroll wheel, The core plate is embedded in the doorframe, and first scroll wheel is connected with second scroll wheel by first connector In the top of the doorframe, first scroll wheel and second scroll wheel are rolled and are arranged in the crossbeam, and described first Scroll wheel is between first synchronizing wheel and second synchronizing wheel, and first scroll wheel connects by described second Part is fixedly connected with the timing belt.

In alternative embodiment of the present utility model, the retaining mechanism includes at least two latch assemblies, one of them The latch assembly is located at the position of close first column of the door support frame, and another described latch assembly is located at institute State the position of close second column of a support frame, the latch assembly includes first piston cylinder, first rotating shaft and multiple Fitting, the first piston cylinder are fixedly connected on the top of the door support frame, the first rotating shaft and the door support frame It is rotatablely connected, is provided with first connecting rod at the top of the first rotating shaft, one end of the first connecting rod is consolidated with the first rotating shaft Fixed connection, the other end of the first connecting rod are connected with the piston rod rotation of the first piston cylinder, multiple fitting edges The length direction of the first rotating shaft is arranged side by side, and the fitting includes connecting rod and abutted to take turns, one end of the connecting rod It is fixedly connected with the first rotating shaft, the other end of the connecting rod abuts wheel rotation connection with described, and the abutting wheel is located at The side of the remote medical cleaner of the door component, and it is described abut wheel be used for by the door component with it is described medical clear Washing machine pushes against.

In alternative embodiment of the present utility model, the core plate is made of glass, and the crossbeam is provided at both ends with Locating part, the locating part include baffle plate and the projection being connected with the baffle plate, and the projection is made of elastomeric material.

In alternative embodiment of the present utility model, first scroll wheel, second scroll wheel and the doorframe it Between be provided with least two Suspensions, one end of the Suspension is rotatablely connected with the doorframe, one of them described Suspension The other end be connected with first scroll wheel, the other end of another Suspension is connected with second scroll wheel.

In alternative embodiment of the present utility model, the novel cabinet door also includes threshold component, the threshold component bag Include threshold lower groove, threshold backing plate, second piston cylinder, threshold mainboard, the second rotating shaft, the 3rd connector, movable part and at least two Block installing plate, the bottom of the door component are slidably embedded in the threshold lower groove, the threshold backing plate and the door For the top sides of sill lower groove along connecting, the both ends of the threshold lower groove and the threshold backing plate are provided with the installing plate, The section of the threshold mainboard is L-type, and the threshold mainboard is fastened in the threshold lower groove, and the threshold mainboard can Being slided along the width of the threshold lower groove, the second piston cylinder is fixed on one of installing plate, and described the Two axis of rotation are arranged between two pieces of installing plates, and one end of the close second piston cylinder of second rotating shaft is fixed Second connecting rod is connected with, one end of remote second rotating shaft of the second connecting rod turns with the piston rod of the second piston cylinder Dynamic connection, the threshold backing plate offer through hole, and the 3rd connector and the movable part pass through the through hole, and described the One end of three connectors is sheathed on second rotating shaft, and the other end and the movable part of the 3rd connector are rotatablely connected, One end of the remote connector of the movable part is fixedly connected with the threshold mainboard, and the second piston cylinder is used to promote Second axis of rotation.

In alternative embodiment of the present utility model, the installing plate is provided with the water conservancy diversion connected with the threshold lower groove Pipe.

In alternative embodiment of the present utility model, the quantity of the 3rd connector is at least two, at least two institutes State length direction of the 3rd connector along second rotating shaft to set, each 3rd connector is correspondingly connected with the activity Part, and the quantity of the through hole and position are corresponding with the 3rd connector.

In alternative embodiment of the present utility model, second rotating shaft is provided at both ends with rotating shaft locating part, described turn Axle locating part is sheathed on the rotating shaft, and the inner side abutting that the rotating shaft locating part is relative with two pieces of installing plates.

Compared with prior art, the beneficial effects of the utility model are：

A kind of cabinet door of medical cleaner provided by the utility model, timing belt cabinet door moving structure is driven using motor, It is simple in construction easy to operate, quick, and locking device is provided between cabinet door and cleaning machine, make its good sealing effect.And And the threshold mainboard that can be moved freely is provided with threshold position, before can closing and open ensureing door component Put, the groove at threshold is closed, ensure that the cleaned article of cleaning stroller and operation table, wheelchair etc. makes smooth advances, released Clean cabin.

Brief description of the drawings

Fig. 1 is the structural representation of the cabinet door for the medical cleaner that the utility model embodiment provides；

Fig. 2 is the structural representation at a visual angle of Fig. 1 cabinet door component；

Fig. 3 is the structural representation at another visual angle of Fig. 1 cabinet door component；

Fig. 4 is the structural representation at a visual angle of Fig. 1 threshold component；

Fig. 5 is the structural representation at another visual angle of Fig. 4 threshold component.

Icon：10- cabinet door components；11- door support frames；110- crossbeams；The columns of 111- first；The columns of 112- second；113- Opening；The synchronizing wheels of 114- first；The synchronizing wheels of 115- second；116- timing belts；117- locating parts；1170- baffle plates；1171- is raised； 12- door components；120- doorframes；121- core plates；The connectors of 122- first；The connectors of 123- second；The scroll wheels of 124- first；125- Second scroll wheel；126- Suspensions；13- drive mechanisms；14- retaining mechanisms；140- latch assemblies；141- first piston cylinders； 142- first rotating shafts；143- fittings；144- connecting rods；145- abuts wheel；146- first connecting rods；20- threshold components；21- doors Sill lower groove；210- mozzles；22- threshold backing plates；220- through holes；23- second piston cylinders；24- threshold mainboards；Second turn of 25- Axle；250- rotating shaft locating parts；251- second connecting rods；The connectors of 26- the 3rd；27- movable parts；28- installing plates；30- cleaning machine sheets Body.

Embodiment

It refer to shown in Fig. 1, embodiment of the present utility model provides a kind of cabinet door of medical cleaner, the novel cabinet door Coordinate with cleaning machine body 30 and install, novel cabinet door includes cabinet door component 10 and threshold component 20, and cabinet door component 10 is that this is new The primary structure of cabinet door, cabinet door component 10 are used for the opening and closing for the cleaning entrance for controlling cleaning machine, threshold component 20 and cabinet Door component 10 is engaged, can be more preferable by the sealing effectiveness for making novel cabinet door, while the medicine equipment that needs can also cleaned More easily it is pushed into by travelling bogie in cleaning machine.

It refer to shown in Fig. 2 and Fig. 3, cabinet door component 10 includes door support frame 11, door component 12, drive mechanism 13 and locking Mechanism 14.

Door support frame 11 is frame structure, and the area of door support frame 11 is smaller than door component 12 so that door component 12 can incite somebody to action The framework that door support frame 11 is formed completely encloses.Door component 12 is slidably matched with door support frame 11, it is, door component 12 both may be used So that the closing of door support frame 11 can also be opened it.

Drive mechanism 13 and retaining mechanism 14 are mounted on a support frame 11, and drive mechanism 13 is slided for driving gate component 12 Dynamic, drive mechanism 13 here is motor, or others have the power set of rotary shaft.Door component 12 has will Door support frame 11 first state closed and the second state for opening door support frame 11, first state here correspond to cabinet The closing of door, now, door component 12 essentially coincides with door support frame 11；Second state then corresponds to the unlatching of cabinet door, now, door Component 12 mutually staggers with door support frame 11.

Retaining mechanism 14 is arranged at the edge of a support frame 11 and for locking door component 12, it is necessary to illustrate, lock The locking of tight mechanism 14 component 12 on the door, is now door component 12 and door support when door component 12 be in first state Frame 11 essentially coincides, and in the presence of retaining mechanism 14, door component 12 mutually pushes against with cleaning machine body 30, so as to reach sealing The purpose of cleaning machine entrance.

In the present embodiment, door support frame 11 is including being that crossbeam 110, the first column 111 and second of column structure are stood Post 112, the first column 111 and the second column 112 are arranged side by side, and crossbeam 110 is connected to the first column 111 and the second column 112 Top, preferably, the first column 111 and the second column 112 are arranged to be mutually perpendicular to crossbeam 110.First 111, column In one end of crossbeam 110, the second column 112 is located at the centre position of crossbeam 110, the first column 111, the second column 112 and horizontal stroke The region formed between beam 110 is corresponding with the entrance of cleaning machine, and the effect in remaining region, is to slide into a component 12 The region is to ensure the unlatching of cabinet door.

Crossbeam 110 is hollow structure, and the bottom of crossbeam 110 offers opening 113, and opening 113 is positioned at the bottom of crossbeam 110 Centre position, and the opening 113 at least extends to the both ends of crossbeam 110, when necessary, can directly run through opening 113 Crossbeam 110 is set.The first synchronizing wheel 114 and the second synchronizing wheel 115, the first synchronizing wheel 114 are rotatably provided with crossbeam 110 One end of close first column 111 of crossbeam 110 is arranged at, the second synchronizing wheel 115 is arranged at close second column of crossbeam 110 112 position, drive mechanism 13 are installed on crossbeam 110 and for driving the second synchronizing wheel 115 to rotate, optionally, drive mechanism 13 can also be installed on crossbeam 110 with 114 corresponding position of the first synchronizing wheel, and drive mechanism 13 be used to driving it is first same Step wheel 114 rotates, and is rotatablely connected between the first synchronizing wheel 114 and the second synchronizing wheel 115 by timing belt 116；Need what is illustrated It is that timing belt 116 is arranged in the first synchronizing wheel 114 and the second synchronizing wheel 115, and into the state tightened, drive mechanism 13 The first synchronizing wheel 114 can be driven to drive the second synchronizing wheel 115, because the second synchronizing wheel 115 is located in crossbeam 110 Between position, it is more stable when drive mechanism 13 is arranged on the centre position of crossbeam 110.

Door component 12 includes doorframe 120, core plate 121, the first connector 122, the second connector 123, the first scroll wheel 124 With the second scroll wheel 125.

Core plate 121 is embedded in doorframe 120, and doorframe 120 seals against each other with core plate 121.Core plate 121 uses glass system Into the state in cleaning machine can be observed when cleaning, and any problem occur in the cleaning machine that makes discovery from observation can Cleaning machine is timely closed, avoids damaging cleaning equipment.

First scroll wheel 124 and the second scroll wheel 125 are connected to the top of doorframe 120 by the first connector 122, and first The scroll wheel 125 of scroll wheel 124 and second is rolled and is arranged in crossbeam 110, specifically, the first scroll wheel 124 and the second scroll wheel 125 pass through the opening 113 of crossbeam 110, and roll connection with the bottom of crossbeam 110, and the first scroll wheel 124 is located at the first synchronizing wheel 114 and second between synchronizing wheel 115, and the first scroll wheel 124 is fixedly connected by the second connector 123 with timing belt 116, and One roller is connected to the position of close second synchronizing wheel 115 of timing belt 116, and timing belt 116 is in the presence of drive mechanism 13 When motion, the first scroll wheel 124 and the second scroll wheel 125 are with the motion of timing belt 116 and in the length direction of crossbeam 110 Upper rolling, while door component 12 can also move along the length direction of crossbeam 110, finally realize door component 12 and doorframe 120 Coordinate.

In the present embodiment, it is outstanding that at least two are provided between the first scroll wheel 124, the second scroll wheel 125 and doorframe 120 Hanging piece 126, the effect of Suspension 126 is connection doorframe 120 and scroll wheel, and one end of Suspension 126 rotates with doorframe 120 to be connected Connect, the other end of one of Suspension 126 is connected with the first scroll wheel 124, the other end of another Suspension 126 and second Scroll wheel 125 connects, and passes through the connection of Suspension 126 so that scroll wheel is flexibly connected with doorframe 120, door component 12 with When doorframe 120 essentially coincides, can enable a component 12 towards cleaning machine entrance direction swing and with cleaning machine sheet Body pushes against, and reaches the purpose of closing.

Crossbeam 110 is provided at both ends with locating part 117, and locating part 117 includes baffle plate 1170 and is connected with baffle plate 1170 Projection 1171, projection 1171 are made of elastomeric material, and elastomeric material can make rubber or other materials.It is spacing The effect of part 117 is to limit the displacement of the first scroll wheel 124 and the second scroll wheel 125, avoids the first scroll wheel 124 and the second rolling Driving wheel 125 skids off crossbeam 110, and the projection 1171 of elasticity, when the roller is contacted with baffle plate 1170, plays buffering Effect, reduce the gouging abrasion between roller and baffle plate 1170.

In the present embodiment, retaining mechanism 14 includes at least two latch assemblies 140, one of latch assembly 140 In door support frame 11 close to the position of the first column 111, another latch assembly 140 is located at close the second of door support frame 11 The position of column 112, when being locked, two latch assemblies 140 are respectively held against the both sides of a component 12, make a component 12 uniform forces, sealing effectiveness are more preferable.

Latch assembly 140 includes first piston cylinder 141, first rotating shaft 142 and multiple fittings 143.Here first lives Plug cylinder 141 can be cylinder or oil cylinder.

First piston cylinder 141 is fixedly connected on the top of a support frame 11, and first rotating shaft 142 rotates with door support frame 11 to be connected Connecing, the top of first rotating shaft 142 is provided with first connecting rod 146, and one end of first connecting rod 146 is fixedly connected with first rotating shaft 142, The other end of first connecting rod 146 is connected with the piston rod rotation of first piston cylinder 141, passes through the connection of first connecting rod 146 so that For first piston cylinder 141 when promoting first connecting rod 146 to move, first rotating shaft 142 can concomitant rotation.

Length direction of multiple fittings 143 along first rotating shaft 142 is arranged side by side, it is generally the case that fitting 143 is at least The top, bottom and centre position of rotating shaft are arranged on, fitting 143 can be made when a component 12 is propped up, door component 12 Vertical direction uniform force.Fitting 143 include connecting rod 144 and abut wheel 145, one end of connecting rod 144 with first turn Axle 142 is fixedly connected, and the other end of connecting rod 144 contacts with abutting the rotation connection of wheel 145 from wheel 145 is abutted with door component 12 Start, door component 12 is pushed against to wheel 145 is abutted, is all to be completed by way of rolling, fitting 143 and door can be reduced Abrasion between component 12.Wheel 145 is abutted positioned at the side of the remote medical cleaner of door component 12, and abuts wheel 145 and is used for Door component 12 and medical cleaner are pushed against.

It refer to shown in Fig. 4；In the present embodiment, threshold component 20 includes threshold lower groove 21, threshold backing plate 22, second Piston cylinder 23, threshold mainboard 24, the second rotating shaft 25, the 3rd connector 26, movable part 27 and at least two pieces of installing plates 28.Here Second piston cylinder 23 can be cylinder or oil cylinder.

Threshold lower groove 21 is the structure with a groove, and door component 12 along crossbeam 110 when line slip is entered, its bottom Portion is embedded in the groove, can play a part of guiding, avoids the significantly swing of a component 12, thus threshold lower groove 21 with Crossbeam 110 is arranged to parallel or substantially parallel.Specifically, the bottom of door component 12 is slidably embedded at threshold lower groove 21 It is interior.

Threshold backing plate 22 is connected with the top sides edge of threshold lower groove 21, and threshold backing plate 22 is located at threshold lower groove 21 Remote cleaning machine body 30 side, threshold backing plate 22 here is to play a part of connection, also can just be connected externally Plane, and can be fixedly connected with door component 12.The both ends of threshold lower groove 21 and threshold backing plate 22 are provided with installing plate 28, installing plate 28 can make threshold lower groove 21 and threshold backing plate 22 connect into an entirety, and stability is more preferable.

The section of threshold mainboard 24 is L-type, and threshold mainboard 24 is fastened in threshold lower groove 21, and threshold mainboard 24 can Along threshold lower groove 21 width slide, it is necessary to explanation, because threshold lower groove 21 has a wider groove, Various strollers are inconvenient to be pushed into cleaning machine, and threshold mainboard 24 serves the effect of transition, distinguish in the both sides of threshold mainboard 24 It is the entrance of threshold backing plate 22 and cleaning machine, when door component 12 is opened, threshold mainboard 24 is slid into close to cleaning machine sheet The side of body 30, now the backplate surface inside threshold backing plate 22, threshold mainboard 24 and cleaning machine be substantially at approximately the same plane On, very easily wheelchair and various operating theater instruments, vessel can be placed in cleaning stroller push-in cleaning machine, when door component 12 When needing to close cabinet door, threshold mainboard 24 is slid into close to the side of threshold backing plate 22.

Second piston cylinder 23 is fixed on one of installing plate 28, the second rotating shaft 25 rotate be arranged at two pieces of installing plates 28 it Between, specifically, position corresponding to two pieces of installing plates 28 opens up the circular hole to match with the second rotating shaft 25, then the second rotating shaft 25 Both ends are inserted in the circular hole respectively, realize the rotation connection of the second rotating shaft 25.The close second piston cylinder 23 of second rotating shaft 25 One end is fixedly connected with second connecting rod 251, one end of remote second rotating shaft 25 of second connecting rod 251 and the work of second piston cylinder 23 Stopper rod is rotatablely connected, and the piston rod of the cylinder of second piston cylinder 23 can drive second turn when promoting second connecting rod 251 to move Axle 25 rotates.

Threshold backing plate 22 offers through hole 220, and the 3rd connector 26 and movable part 27 pass through through hole 220, the length of through hole 220 Degree is defined so that the 3rd connector 26 and movable part 27 can be made to carry out the swing of amplitude peak in the presence of second piston cylinder 23. One end of 3rd connector 26 is sheathed on the second rotating shaft 25, and the other end and the movable part 27 of the 3rd connector 26 are rotatablely connected, living One end of the remote connector of moving part 27 is fixedly connected with threshold mainboard 24, and second piston cylinder 23 is used to promote 25 turns of the second rotating shaft Dynamic, the second rotating shaft 25, which rotates, can drive movable part 27 to move back and forth, and be finally threshold mainboard 24 in threshold lower groove 21 Width move reciprocatingly.

In the present embodiment, installing plate 28 is provided with the mozzle 210 connected with threshold lower groove 21, what is cleaned During, steam condensation is had unavoidably, can be by water from mozzle when steam condensation is into water entry threshold lower groove 21 210 discharges.

In the present embodiment, the quantity of the 3rd connector 26 is at least two, at least two the 3rd connectors 26 along second The length direction of rotating shaft 25 is set, and each 3rd connector 26 is corresponding to be connected with movable part 27, and the quantity of through hole 220 and position It is corresponding with the 3rd connector 26, that is to say, that the connecting portion of the second rotating shaft 25 and threshold mainboard 24 is the two of the second rotating shaft 25 It end, can so make the second rotating shaft 25 and the connection of threshold mainboard 24 more stable, and enable to threshold mainboard 24 Both ends are smoothly slided simultaneously, the both sides of threshold mainboard 24 is inclined when sliding without discontinuity Oblique situation.

In the present embodiment, the second rotating shaft 25 is provided at both ends with rotating shaft locating part 250, and rotating shaft locating part 250 is sheathed on Rotating shaft, and rotating shaft locating part 250 abuts with two pieces of relative inner sides of installing plate 28, rotating shaft locating part 250 can avoid second turn Axle 25 moves along its length during rotation, causes to come off.

Claims (4)

1. A kind of 1. cabinet door of medical cleaner, it is characterised in that the cabinet door includes cabinet door component (10) and threshold component (20), The threshold component (20) include threshold lower groove (21), threshold backing plate (22), second piston cylinder (23), threshold mainboard (24), Second rotating shaft (25), the 3rd connector (26), movable part (27) and at least two pieces of installing plates (28), the cabinet door component (10) Bottom is slidably embedded in the threshold lower groove (21), the threshold backing plate (22) and the threshold lower groove (21) For top sides along connecting, the both ends of the threshold lower groove (21) and the threshold backing plate (22) are provided with the installing plate (28), the threshold mainboard (24) is L-type, and the threshold mainboard (24) is fastened in the threshold lower groove (21), and described Threshold mainboard (24) can slide along the width of the threshold lower groove (21), and the second piston cylinder (23) is fixed on it In one piece of installing plate (28), second rotating shaft (25) rotates and is arranged between two pieces of installing plates (28), described the One end of the close second piston cylinder (23) of two rotating shafts (25) is fixedly connected with second connecting rod (251), the second connecting rod (251) one end of remote second rotating shaft (25) is connected with the piston rod rotation of the second piston cylinder (23), the door Sill backing plate (22) offers through hole (220), and the 3rd connector (26) and the movable part (27) pass through the through hole (220), and one end of the 3rd connector (26) is sheathed on second rotating shaft (25), the 3rd connector (26) it is another One end is rotatablely connected with the movable part (27), one end and the threshold master of the remote connector of the movable part (27) Plate (24) is fixedly connected, and the second piston cylinder (23) is used to promote second rotating shaft (25) to rotate.
2. 2. the cabinet door of medical cleaner according to claim 1, it is characterised in that the installing plate (28) is provided with and institute State the mozzle (210) of threshold lower groove (21) connection.
3. 3. the cabinet door of medical cleaner according to claim 1, it is characterised in that the quantity of the 3rd connector (26) For at least two, length direction of at least two the 3rd connectors (26) along second rotating shaft (25) is set, Mei Gesuo State that the 3rd connector (26) is corresponding to be connected with the movable part (27), and the quantity of the through hole (220) and position and described the Three connectors (26) are corresponding.
4. 4. the cabinet door of medical cleaner according to claim 1, it is characterised in that the both ends of second rotating shaft (25) are set Be equipped with rotating shaft locating part (250), the rotating shaft locating part (250) is sheathed on the rotating shaft, and the rotating shaft locating part (250) with The relative inner side of two pieces of installing plates (28) abuts.