CN205253060U - Shock insulation type reation kettle of adjustable area of direction lid - Google Patents

Abstract

The utility model relates to a reation kettle. A shock insulation type reation kettle of adjustable area of direction lid, includes container and agitator, and the entrance point butt joint of feed inlet has the switching -over to manage, and the switching -over is managed and is hinged and pass through the puller bolt rigid coupling together with the cooperation of feed inlet sphere is sealed, and the switching -over is managed and is equipped with the lid, covers and is equipped with the handle pole, and handle pole elasticity overlaps adjustablely and is equipped with the sleeve pipe, the container is equipped with the shock insulation foot. The utility model has the advantages of the convenience is comfortable when uncapping, the feeding switching -over is convenient and the shock insulation is effectual, present reation kettle has been solved in the orientation of feed inlet with the switching -over of inlet pipe is inconvenient, the shock insulation is effectual and open the problem of inconvenience when cover.

Description

Direction is adjustable shock insulation type reactor with cover

Technical field

The utility model relates to reactor, relates in particular to the adjustable shock insulation type reactor with cover of a kind of direction.

Background technology

Reactor is the container for physics or chemical reaction, by the structural design to container and parameter configuration, realizes the heating, evaporation of technological requirement, the mixture function of cooling and low high speed. Reactor is formed and is formed by kettle, kettle cover, chuck, agitator, transmission device, gland seal device, supporting etc., in the container of kettle and kettle cover formation, is provided with charging aperture and discharging opening.

Existing reactor ubiquity is following not enough: the direction of charging aperture is changeless, in use procedure when the direction of charging aperture moving towards when inconsistent with feed pipe, need to make elbow and commutate to realize feed pipe and charging aperture are docking together, therefore bad adaptability; Inconvenience while opening the lid in charging aperture; Isolating affection is poor.

Utility model content

The utility model provides that a kind of margin of commutation is large, isolating affection good, the convenient and good adjustable shock insulation type reactor with cover of direction of comfortableness while opening the lid on charging aperture, solved existing reactor the direction of charging aperture with commutation inconvenience, the isolating affection of feed pipe the problem of inconvenience when poor and open cap.

Above technical problem solves by following technical proposal: a kind of direction is adjustable shock insulation type reactor with cover, comprise container and agitator, described agitator comprises rotating shaft and is connected in the stirring vane of rotating shaft, described container is provided with charging aperture, the entrance point of described charging aperture is to being connected to reversing tube, described reversing tube is hinged with described charging aperture sphere fitted seal, described reversing tube is fixed together with described charging aperture by puller bolt, described reversing tube is provided with lid, the described handle rod that is covered with, the outer resilient sleeve of described handle rod is provided with sleeve pipe, between described handle rod and sleeve pipe, be provided with the elastic adjusting mechanism of the elastic force between adjusting sleeve pipe and handle rod, described elastic adjusting mechanism comprises that to be set in handle rod outer and be located in the base tube in sleeve pipe and be looped around the holding sheet of described base tube outside, described holding sheet is made up of the some fricting strips along the circumferential distribution of base tube, described fricting strip is provided with some slide bars that radially extend along base tube, described slide bar slides and is arranged in described base tube, the inner of described slide bar is provided with the outer shift-in of driving slide bar and drives fricting strip to be connected to the 3rd spring together with sleeve pipe, described elastic adjusting mechanism is also provided with the pretightning force adjustment structure of the pretightning force that regulates described the 3rd spring, described container is provided with shock insulation pin, described shock insulation pin comprises that epimere and upper end are set in the hypomere of epimere lower end, in hypomere, be provided with the damping spring that supports described epimere, the upper end of described epimere is provided with connecting ring, in described connecting ring, be equipped with interior ring, described interior ring links together with described connecting ring by rubber ring, described interior ring is equipped with the connecting pin that is connected in described container. when use, by shock insulation pin, refrigerator is supported on the ground, the vibrations of generation need to be transmitted through shock insulation pin, and this structure of shock insulation pin has antihunt action, thereby make the vibrations that produce be not easy to transmit. interior ring is connected by rubber ring with connecting ring, and connecting ring is not easy to produce distortion, and distortion fecund is born in interior ring, so ring in only needing after distortion to change. when charging, rotate puller bolt and unclamp the fixation of pressing to reversing tube, direction relations, the rotation reversing tube of the feed pipe then docking according to the direction of charging aperture with charging aperture are docking together with feed pipe to the entrance point of reversing tube, and then rotate backward puller bolt, thereby being pressed on, puller bolt on reversing tube, realizes the fixing of reversing tube and charging aperture. open and the lid that closes by the sleeve pipe gripping on handle rod, then make material enter container. handle rod in the technical program has elasticity, thereby improves the comfortableness while use, and the elastic effect in the technical program can also change, to adapt to different needs. the flexible concrete adjustment process of handle rod is, drive the 3rd spring moving radially along base tube by pretightning force adjustment structure, thereby fricting strip is changed with the normal pressure of sleeve pipe, thereby realize the change of pretightning force, make the size of the power that sleeve pipe rocks with respect to handle rod change the elastic effect that reaches different.

The utility model also comprises the sealing ring that described reversing tube and charging aperture are sealed connected together, and is matched in clearance between described reversing tube and charging aperture. Can either ensure that junction do not leak, easily laborsaving can make to rotate reversing tube again time.

As preferably, described sealing ring is fixed in described charging aperture. Can make reversing tube no matter turn to that angle time, sealing ring can both be sealed connected together reversing tube and charging aperture reliably.

As preferably, described reversing tube is provided with spherical connector, and described charging aperture inwall is provided with sphere pit, and described reversing tube is connected in described sphere pit hinged with charging aperture by described spherical connector. Compact conformation, connects reliable.

As preferably, the center line of described interlocking screw is through the center of reversing tube and charging aperture mating surface. Damage to commutation tube-surface can further reduce briquetting and be pressed on reversing tube surface time.

As preferably, described pretightning force adjustment structure comprises two conical heads that base tube are supported on to the tubular structure outside handle rod, drive conical head move axially and can make conical head stop at drives structure and some push rods of desired location, described two conical heads are slidably connected in the two ends of described base tube in the mode of miner diameter end subtend setting, the two ends of described push rod are shelved on the conical surface of described two conical heads, all described slide bars of same fricting strip pass through described spring supporting on same described push rod, the described slide bar of each piece fricting strip respectively supports by a described push rod. when adjusting, realize the change of push rod along base tube radial position thereby realize push rod by the position of axial change conical head along moving radially of base tube, thereby realize the change of the 3rd initial tension of spring. convenience when adjusting is good.

As preferably, described drives structure comprises two jacking blocks in the two ends that are threaded in described base tube, and described two conical heads are between described two jacking blocks. Drive conical head to realize adjusting by rotating jacking block, regulating puts in place locates automatically, and convenience when use is better.

As preferably, described rubber ring is provided with several blind holes circumferentially distributing along rubber ring, described blind hole is arranged at inner peripheral surface or the outer peripheral face of described rubber ring, in described blind hole, be provided with division board, described blind hole is divided into radially-arranged two cavitys along rubber ring by described division board, described division board is provided with the main friction passage that is communicated with described two cavitys, in described main friction passage, be provided with friction plate, described friction plate is equipped with the friction lever that can radially slide along rubber ring, described friction lever is provided with a friction passage, the openend of described blind hole is stamped the elastomer cover arching upward towards blind hole inside. can further improve isolating affection. the shock insulation process of the technical program is: by liquid filling in blind hole, in the time being given a shock, between interior ring and connecting ring, can produce reciprocal radial displacement, when this displacement meeting causes blind hole distortion, blind hole distortion and drive that position liquid in the inner flows back and forth between inner chamber body and outer chamber, the rocking of friction plate and friction lever, liquid flow and friction plate and friction lever rock and in process, change vibration energy into heat energy and consume. if vibrations are compared with little and be not enough to impel blind hole when distortion, now only have rocking of liquid, when liquid sloshing, friction lever produces and rocks and energy-absorbing, friction lever is set and can improves the absorption that high frequency is shaken by a narrow margin, make the utility model not only can absorb the high amplitude of vibration of isolation vibration energy, can also absorb the vibration energy of low amplitude of vibration, therefore isolating affection is better. when this structure can make the blind hole of a side be squeezed, the blind hole of opposite side produces diastole instead of pressurized or diastole simultaneously, makes effectively shock-absorbing in the time of the positive and negative amplitude of vibration interval of vibrations, and shock-absorbing efficiency is high.

As preferably, described shock insulation pin is provided with driving mechanism, and described interior ring is connected in described connecting ring rotationally, and described driving mechanism is for being converted to point resultant motion between epimere and hypomere the one-directional rotation of interior ring. In in the time being given a shock, ring can one-directional rotation, thereby avoids interior ring to be impacted at a position for a long time, thereby can effectively avoid interior annular strain, once the indeformable connecting ring of interior ring produces distortion, interior ring can also play the effect of repairing connecting ring. Thereby effectively overcome connecting ring and easily produced the problem of distortion.

As preferably, described driving mechanism comprises the ratchet of ratchet and driving pawl, and described ratchet coaxially links together with described interior ring; Described ratchet links together with described hypomere. Simple and practical.

As preferably, described ratchet is fixed in drive rod, and described ratchet is connected with described hypomere by described drive rod, and described drive rod is connected with and drives described ratchet to be brought together into the engage spring on described ratchet. Reliability of Microprocessor is good.

As preferably, described epimere is provided with slide opening, and described drive rod can two dimension be slidably connected in described slide opening. Can further facilitate and make ratchet carry out folding with ratchet, good reliability when one-directional rotation.

As preferably, described drive rod is provided with deposits hole, described in one end of described engage spring is located in, deposits in hole. Convenience can improve reliability and be connected time.

The utlity model has following advantage: by the hinged reversing tube of charging aperture, the direction that has realized charging aperture is adjustable, can improve the adaptability of reactor to installing space; Because charging aperture and reversing tube are that sphere coordinates and carries out hinged, reversing tube and can carry out Three dimensional rotation, the margin of commutation of reversing tube is large, thereby makes the better adaptability of reactor to space; Convenient when open cap, comfortableness is good; Isolating affection is good.

Brief description of the drawings

Fig. 1 is the schematic diagram of the utility model embodiment mono-.

Fig. 2 is the cross sectional representation of the handle rod in Fig. 1.

Fig. 3 is the axial cross-sectional schematic of the handle rod in Fig. 1.

Fig. 4 is that the local enlarged diagram after lid is removed at the A place of Fig. 1.

Fig. 5 is the enlarged diagram of analysing and observe of connecting ring in Fig. 1.

Fig. 6 is the local enlarged diagram at the C place of Fig. 5.

Fig. 7 is the local enlarged diagram at the D place of Fig. 6.

Fig. 8 is the local enlarged diagram of the shock insulation pin in the utility model embodiment bis-.

In figure: container 1, charging aperture 12, sphere pit 13, handle rod 14, sleeve pipe 141, lid 15, reversing tube 2, spherical connector 21, the free end 22 of spherical connector, sealing ring 23, puller bolt 3, agitator 5, rotating shaft 51, stirring vane 52, motor 53, driving gear 54, driven gear 55, driving mechanism 6, ratchet 61, ratchet 62, drive rod 63, deposit hole 64, engage spring 65, rubber ring 7, blind hole 71, inner chamber body 711, outer chamber 712, division board 72, elastomer cover 73, main friction passage 75, friction plate 76, friction lever 77, axial end 771, groove 772, prop up friction passage 78, elastic adjusting mechanism 8, base tube 81, holding sheet 82, fricting strip 821, slide bar 822, the 3rd spring 823, pretightning force adjustment structure 83, conical head 831, push rod 832, drives structure 833, jacking block 8331, shock insulation pin 9, hypomere 91, mount pad 911, epimere 92, connecting ring 921, interior ring 922, connecting pin 923, slide opening 924, damping spring 93.

Detailed description of the invention

Below in conjunction with accompanying drawing and embodiment, the utility model is further described.

Embodiment mono-, referring to Fig. 1, a kind of direction is adjustable shock insulation type reactor with cover, comprises container 1, reversing tube 2, puller bolt 3 and agitator 5.

Container 1 is provided with charging aperture 12.

Reversing tube 2 is docked at the entrance point of charging aperture 12. Reversing tube 2 is fixed together with charging aperture 12 by puller bolt 3. Reversing tube 2 is provided with and covers 15. Lid 15 covers on reversing tube 2 in mode that can plug. Lid 15 is provided with handle rod 14. Handle rod 14 is arranged with sleeve pipe 141.

Agitator 5 comprises rotating shaft 51, stirring vane 52, motor 53, driving gear 54 and driven gear 55. Rotating shaft 51 is input in container 1. Rotating shaft 51 is rotationally connected with container 1. Rotating shaft 51 is extended along the vertical direction. Stirring vane 52 is connected in the part that rotating shaft 51 is positioned at container. Stirring vane 52 is blade construction. Stirring vane 52 is welded in rotating shaft 51.

Driven gear 55 is fixed on the upper end of rotating shaft 51, and driven gear 55 and rotating shaft 51 are coaxial. Driving gear 54 is arranged at the power output shaft of motor 53. Driving gear 54 meshes together with driven gear 55.

Container 1 is also provided with shock insulation pin 9. Shock insulation pin 9 comprises hypomere 91 and epimere 92. The lower end of hypomere 91 is provided with mount pad 911. The upper end of hypomere 91 is set on the lower end of epimere 92 slidably. In hypomere 81, be provided with the damping spring 93 that supports epimere 92. The upper end of epimere 92 is provided with connecting ring 921. In connecting ring 921, be equipped with interior ring 922. Interior ring 922 links together with connecting ring 921 by rubber ring 7. Interior ring 922 is equipped with connecting pin 923. Connecting pin 923 links together with the lower end of cooling box 1.

Referring to Fig. 2, between handle rod 14 and sleeve pipe 141, be provided with elastic adjusting mechanism 8. Elastic adjusting mechanism 8 comprises base tube 81, holding sheet 82 and pretightning force adjustment structure 83. Base tube 81 is set in outside handle rod 14. Base tube 81 is located in sleeve pipe 141. Holding sheet 82 is made up of some fricting strips 821. Fricting strip 821 is along the circumferential distribution of base tube 81. Fricting strip 821 is provided with some slide bars that radially extend axial distribution 822 along base tube. Slide bar 822 slides and is arranged in base tube 81. The inner of slide bar 822 is provided with the 3rd spring 823. The 3rd spring 823 drives fricting strip to be connected to together with sleeve pipe 141 by slide bar. The pretightning force adjustment structure 83 of moving outward comprises two conical heads 831 and some push rods 832. Conical head 831 is tubular structure. Conical head 831 is set on handle rod 14 and is located in that base tube 81 is interior to link together base tube 81 with handle rod 14. Conical head 831 is only connected in base tube 81 slidably. Push rod 832 extends axially along the circumferential distribution of base tube 81. All slide bars 822 of same fricting strip 821 are supported on same push rod 832 by the 3rd spring 823, and the slide bar of each piece fricting strip respectively supports by a push rod.

Referring to Fig. 3, two conical heads 831 are slidably connected in the two ends of base tube 81 in the mode of miner diameter end subtend setting. The two ends of push rod 832 are shelved on the conical surface of two conical heads 831. Pretightning force adjustment structure 83 also comprises drives structure 833. Drives structure 833 comprises two jacking blocks 8331 in the two ends that are threaded in base tube 81. Jacking block 8331 is set on handle rod 14. Two conical heads 831 are between two jacking blocks 8331.

Referring to Fig. 4, the port of export of reversing tube 2 is provided with spherical connector 21. Charging aperture 12 inwalls are provided with sphere pit 13. It is interior and hinged with charging aperture 12 that reversing tube 2 is connected to sphere pit 13 by spherical connector 21, is also that reversing tube 2 carries out hinged with charging aperture 12 for sphere coordinates. Between spherical connector 21 and sphere pit 13, it is matched in clearance. Between spherical connector 21 and sphere pit 13, be sealed connected together by sealing ring 23. Sealing ring 23 is fixed in charging aperture 12. The free end 22 of spherical connector is all contained in sphere pit 13 (in the scope that also can rotate at reversing tube, the free end 22 of spherical connector is all positioned at sphere pit 13). The center line of interlocking screw 3 is also the centre of sphere of the sphere at spherical connector 21 surperficial places through the center of reversing tube and charging aperture mating surface.

Referring to Fig. 5, the inner peripheral surface of rubber ring 7 is provided with several blind holes 71 along the circumferential distribution of rubber ring (outer peripheral face that blind hole is arranged on rubber ring is also fine). In blind hole 71, be provided with division board 72. It is inner chamber body 711 and outer chamber 712 that blind hole 71 is divided into two cavitys by division board 72. The flexible lid 73 of open end cap of blind hole 71. The bowl-type of elastomer cover 73 for arching upward towards blind hole 71 inside.

Referring to Fig. 6, division board 72 is provided with some main friction passage 75. Main friction passage 75 communication with cavity bodies 711 and outer chamber 712. In main friction passage 75, be provided with friction plate 76.

Referring to Fig. 7, in friction plate 76, be equipped with some can be along the distribution arrangement of inner chamber body and the outer chamber friction lever 77 that above-below direction slides in figure. Friction lever 77 is cylindrical. Friction lever 77 is provided with a friction passage 78. Friction passage 78 is communicated with the space (outer chamber in being communicated with) of friction plate 76 upper and lowers. Two axial ends 771 of friction lever 77 are all sphere

Referring to Fig. 1, when use, the utility model supports by shock insulation pin, unclamp the position that puller bolt 3 can freely rotate to reversing tube 2, rotate reversing tube 2 and can dock with feed pipe to reversing tube, then from newly reversing tube 2 and charging aperture 12 being locked together and preventing to be shifted by puller bolt 3. On sleeve pipe 141, take off and install upper cover 15 by holding to be held in. Lid takes off rear raw material and enters container 1 through charging aperture 12. Motor 53 drives that driving gear 54 rotates, driving gear 54 drives that driven gear 55 rotates, driven gear drive shaft 51, rotating shaft 51 drive stirring vane 52 to rotate, thereby realize the stirring to the raw material in container.

Referring to Fig. 2 and Fig. 3, the process of adjusting the elastic effect of sleeve pipe is: drive conical head 831 axially moving along base tube 81 by rotating jacking block 8331, conical head 831 drives push rod 832 along the moving radially of base tube 81, and push rod 832 pushes the 3rd spring 823 and changes pretightning force.

Embodiment bis-, with the difference of embodiment mono-is:

Referring to Fig. 8, shock insulation pin 9 is also provided with driving mechanism 6. Interior ring 922 is connected in rubber ring 7 rotationally, and rubber ring 7 is fixed together with connecting ring 921.

Driving mechanism 6 comprises ratchet 62 and the drive rod 63 of ratchet 61, driving pawl. Ratchet 61 coaxially links together with interior ring 922. Ratchet 61 is structure as a whole with interior ring 922. Ratchet 62 is fixed in one end of drive rod 63. Epimere 92 is provided with slide opening 924. The other end of drive rod 63 can be located in slide opening 924 in two dimension slip. The lower end edge connecting ring 921 of drive rod 63 radially slidably clasp joint in hypomere 91(referring to Fig. 1) and link together with hypomere. Drive rod 63 is provided with deposits hole 64. Deposit hole 64 and have two. Deposit and in hole 64, be equipped with engage spring 65. Engage spring 65 is extension spring. One end of engage spring 65 links together with drive rod 63, and the other end links together with epimere 92. Engage spring 65 is in the time of free state, and under the effect of engage spring 65 springs, ratchet 62 can be engaged in ratchet 61.

When use, cause shock insulation pin 9 to produce contractile motion during when being given a shock, drive rod 63 is towards connecting ring 921 translations (be top move) in Fig. 8, now ratchet 62 can clockwise rotate by driving pawl 61, in ratchet 61 drives, ring 922 clockwise rotates, in the time that shock insulation pin extends, drive rod 63 moves down, now ratchet 62 can not driving pawl 61 rotates and in the time that ratchet 62 touches the tooth on ratchet 61, drive rod 63 can reset drive rod 63 away from ratchet 61, in the time that ratchet 62 does not touch the tooth on ratchet 61, under the effect of engage spring 65, ratchet 62 moves to right and resets. thereby make each vibrations when cycle, the suffered impact site of interior ring 922 is different, thereby and interior ring 922 withstand shocks along circumferentially shifting one's position continuously and be not easy to produce distortion and become ellipse.

Claims (10)

1. the adjustable shock insulation type reactor with cover of direction, comprise container and agitator, described agitator comprises rotating shaft and is connected in the stirring vane of rotating shaft, described container is provided with charging aperture, it is characterized in that, the entrance point of described charging aperture is to being connected to reversing tube, described reversing tube is hinged with described charging aperture sphere fitted seal, described reversing tube is fixed together with described charging aperture by puller bolt, described reversing tube is provided with lid, the described handle rod that is covered with, the outer resilient sleeve of described handle rod is provided with sleeve pipe, between described handle rod and sleeve pipe, be provided with the elastic adjusting mechanism of the elastic force between adjusting sleeve pipe and handle rod, described elastic adjusting mechanism comprises that to be set in handle rod outer and be located in the base tube in sleeve pipe and be looped around the holding sheet of described base tube outside, described holding sheet is made up of the some fricting strips along the circumferential distribution of base tube, described fricting strip is provided with some slide bars that radially extend along base tube, described slide bar slides and is arranged in described base tube, the inner of described slide bar is provided with the outer shift-in of driving slide bar and drives fricting strip to be connected to the 3rd spring together with sleeve pipe, described elastic adjusting mechanism is also provided with the pretightning force adjustment structure of the pretightning force that regulates described the 3rd spring, described container is provided with shock insulation pin, described shock insulation pin comprises that epimere and upper end are set in the hypomere of epimere lower end, in hypomere, be provided with the damping spring that supports described epimere, the upper end of described epimere is provided with connecting ring, in described connecting ring, be equipped with interior ring, described interior ring links together with described connecting ring by rubber ring, described interior ring is equipped with the connecting pin that is connected in described container.

2. the adjustable shock insulation type reactor with cover of direction according to claim 1, is characterized in that, also comprises the sealing ring that described reversing tube and charging aperture are sealed connected together, and is matched in clearance between described reversing tube and charging aperture.

3. the adjustable shock insulation type reactor with cover of direction according to claim 1 and 2, it is characterized in that, described reversing tube is provided with spherical connector, described charging aperture inwall is provided with sphere pit, and described reversing tube is connected in described sphere pit hinged with charging aperture by described spherical connector.

4. the adjustable shock insulation type reactor with cover of direction according to claim 1 and 2, it is characterized in that, described pretightning force adjustment structure comprises two conical heads that base tube are supported on to the tubular structure outside handle rod, drive conical head move axially and can make conical head stop at drives structure and some push rods of desired location, described two conical heads are slidably connected in the two ends of described base tube in the mode of miner diameter end subtend setting, the two ends of described push rod are shelved on the conical surface of described two conical heads, all described slide bars of same fricting strip pass through described spring supporting on same described push rod, the described slide bar of each piece fricting strip respectively supports by a described push rod.

5. the adjustable shock insulation type reactor with cover of direction according to claim 4, is characterized in that, described drives structure comprises two jacking blocks in the two ends that are threaded in described base tube, and described two conical heads are between described two jacking blocks.

6. the adjustable shock insulation type reactor with cover of direction according to claim 1 and 2, it is characterized in that, described rubber ring is provided with several blind holes circumferentially distributing along rubber ring, described blind hole is arranged at inner peripheral surface or the outer peripheral face of described rubber ring, in described blind hole, be provided with division board, described blind hole is divided into radially-arranged two cavitys along rubber ring by described division board, described division board is provided with the main friction passage that is communicated with described two cavitys, in described main friction passage, be provided with friction plate, described friction plate is equipped with the friction lever that can radially slide along rubber ring, described friction lever is provided with a friction passage, the openend of described blind hole is stamped the elastomer cover arching upward towards blind hole inside.

7. the adjustable shock insulation type reactor with cover of direction according to claim 1 and 2, it is characterized in that, described shock insulation pin is provided with driving mechanism, described interior ring is connected in described connecting ring rotationally, and described driving mechanism is for being converted to point resultant motion between epimere and hypomere the one-directional rotation of interior ring.

8. the adjustable shock insulation type reactor with cover of direction according to claim 7, is characterized in that, described driving mechanism comprises the ratchet of ratchet and driving pawl, and described ratchet coaxially links together with described interior ring; Described ratchet links together with described hypomere.

9. the adjustable shock insulation type reactor with cover of direction according to claim 8, it is characterized in that, described ratchet is fixed in drive rod, and described ratchet is connected with described hypomere by described drive rod, and described drive rod is connected with and drives described ratchet to be brought together into the engage spring on described ratchet.

10. the adjustable shock insulation type reactor with cover of direction according to claim 9, is characterized in that, described epimere is provided with slide opening, and described drive rod can two dimension be slidably connected in described slide opening.