334results about How to "Adjust the use height" patented technology

The invention discloses a telescopic multi-head water milling drilling machine for tunnel construction, and relates to the technical field of tunnel construction, in particular to the telescopic multi-head water milling drilling machine for tunnel construction, which comprises a mounting bracket, fixed supporting plates are mounted on the left side and the right side of the mounting bracket, and a mounting frame is fixedly mounted at the side end part of each fixed supporting plate; the outer surface of the mounting support is sleeved with a connecting clamping plate, a fourth rotating motor is rotatably mounted at the side end of the connecting clamping plate, and a supporting column is slidably mounted at the side end of the fourth rotating motor. According to the telescopic multi-head water milling drilling machine for tunnel construction, a first rotating motor drives a first threaded rotating rod to rotate to be matched with an upper sliding block so as to drive an extension arm and other parts to slide, and then the positions of a second rotating motor and a water milling drilling body are rapidly adjusted, so that the use distance of the device can be rapidly adjusted when the device is used; the device practicability is improved, and the device use efficiency is enhanced.

The invention discloses a trolley sintering furnace with an automatic discharging function, and relates to the technical field of trolley sintering furnaces, the trolley sintering furnace comprises a sintering furnace body, an air supply box and an air guide pipe, one side of the sintering furnace body is provided with the air supply box, and one side of the air supply box is connected with an air inlet box through the air guide pipe. According to the trolley sintering furnace with the automatic discharging function, the protection plate is installed on the side, where the discharging port is located, of the sintering furnace body, the driving motor on the top of the protection plate can drive products to be automatically discharged through the trolley body, the number of defective products can be effectively reduced, and therefore the overall quality of the products is improved; in addition, the use height of the trolley body can be adjusted, so that the trolley body is more flexible and convenient to use, and the trolley sintering furnace with the automatic discharging function solves the problem that products with certain heat cannot be protected in time when the products are sent out by a trolley; and impurities often fall into the product to influence the quality of the finished product.

The utility model discloses an internally adjustable hanging wheel, which comprises a plurality of groups of hanging wheels arranged on a frame, the plurality of groups of hanging wheels are symmetrically arranged on two sides of the frame, the lower end of the frame is provided with a supporting seat used for assisting the frame in supporting, the supporting seat is connected with the top of a sliding door through a mounting bolt, and the sliding door is connected with the supporting seat through the mounting bolt. The hanging wheel is composed of an annular rolling wheel and a ferrule, and the annular rolling wheel is rotationally connected to the outer side of the ferrule. According to the internally adjustable hanging wheel, when the hanging wheel is used, the lifting assembly and the transmission assembly are matched with each other, the use height of the hanging wheel on the frame is adjusted, in the whole adjusting process, adjusting parts are arranged on the frame, internal adjustment is achieved, the hanging wheel can be conveniently adjusted and controlled in a narrow space, and the use safety of the hanging wheel is improved. And in the process of adjusting the hanging wheel, a driving part is mainly formed by matching a threaded push pin with an inclined surface, so that the requirement on transmission precision is relatively low, the hanging wheel is not easy to block, and the hanging wheel is convenient to adjust and use.

The invention provides a nursing bed convenient for a patient to trigger a pager, and relates to the field of medical pagers, the nursing bed comprises a signal control assembly, the signal control assembly is composed of a signal pager, an adjusting assembly, a positioning assembly and an auxiliary calling assembly, the signal control assembly can call through a pressing switch on a wearing ring worn on a finger of a patient and can be realized through a fine pressing action of a hand, and the bed body assembly has a function of adjusting the use height, can adapt to nursing of patients with different body types, is convenient for the patient to get in and out of the bed, and is convenient to use. The problems that for a patient who is heavier in illness state or limited in limb movement, it is difficult for the patient to press a button of a signal beeper to achieve calling operation, a bed body cannot adapt to nursing of patients of different body types, and when the patient gets out of the bed, the feet of the patient cannot make contact with the ground possibly and fall down easily are solved.

The invention relates to the technical field related to surveying and mapping, and mainly discloses a portable surveying and mapping total station which comprises a bottom frame, a supporting frame and an instrument body, the bottom frame comprises a fixing sleeve, an assembling opening is formed in the side wall of the fixing sleeve, an adjusting frame is installed in the assembling opening, a supporting leg rod is hinged to one side of the adjusting frame, and an adjusting rod penetrates through the center of the interior of the fixing sleeve; and an adjusting disc is fixedly mounted at the bottom end part of the adjusting rod. The distance between every two adjacent supporting leg rods can be adjusted according to the actual situation, any supporting leg rod can be supported firstly when the ground is uneven, then the positions of the other supporting leg rods can be manually adjusted, stable supporting of the supporting frame and the instrument body is achieved, and the working efficiency is improved. And the adjustment of the adjusting block is realized through mutually meshed bevel gears, so that the subsequent position adjustment of the supporting leg rod is not hindered, and meanwhile, the self-movement of the adjusting block cannot be easily realized.

The utility model discloses an adjustable ground trowelling machine which comprises a machine frame, a protective ring, a handrail pipe and moving wheels, a support frame is installed at the lower end of the machine frame, the protective ring is installed at the lower end of the machine frame through the support frame, the handrail pipe is installed on one side of the support frame, and the moving wheels are installed on the periphery of the outer side wall of the protective ring. A supporting frame is arranged on the periphery of the protection ring, a supporting column is rotationally arranged in the supporting frame, a forward and reverse rotation motor is arranged on one side of the supporting frame, and an output shaft of the forward and reverse rotation motor is connected with the supporting column. The utility model relates to the technical field of building construction equipment, in particular to an adjustable ground trowelling machine which can be conveniently transported and moved, the using angle and length can be adjusted, and the using convenience is improved.

The invention discloses an air pipe air leakage detection device which comprises a metal plate base, supporting legs are welded and fixed to the metal plate base, and telescopic shafts are slidably connected to the supporting legs. The test panel is rotationally connected to the telescopic shaft, an assembly plate is detachably connected to the test panel, a plurality of mounting discs are arranged on the surface of the assembly plate, and test pipes are mounted on the mounting discs; the air valve assembly is located on each installation disc. A plurality of test tubes can be simultaneously measured by the plurality of mounting discs in batches, so that the working efficiency of the test is improved. The connecting pipelines of the air valve assemblies are mutually connected in series, so that the interiors of the test pipes are communicated, when the interiors of the test pipes are inflated, air can be conveyed into the test pipes through series connection of the air valve assemblies, and therefore sealing performance testing is carried out in batches. And the height position of the detachably connected assembly plate can be adjusted on the test panel, so that the installation height of the test tube is adjusted, and the practical function is further improved.

The utility model relates to the technical field of insect traps, in particular to an insect trap with a detachable insect condition monitoring module, which comprises a bottom plate, a support rod is fixedly connected to the front of the upper end of the bottom plate, an extension rod is movably sleeved at the upper end of the support rod, and an insect trap body is fixedly mounted at the upper end of the extension rod. The lower part of the front end of the insect trap body is provided with an internally and externally penetrating mounting groove, the left inner wall surface and the right inner wall surface of the mounting groove are fixedly connected with mounting rods, clamping rods are clamped in the two mounting rods, a mounting box is fixedly connected between the two clamping rods, and the front end of the mounting box is fixedly connected with a handle. According to the insect trap with the detachable insect condition monitoring module, the insect condition monitoring module body is installed in the insect trap body through the installation rod and the clamping rod, the insect condition monitoring module body is easy and convenient to install and disassemble, and therefore the insect condition monitoring module body can be overhauled or replaced conveniently.

The utility model relates to the technical field of packaging and printing production, and discloses a flanging device for packaging and printing production, which comprises an operation table, lifting support legs are arranged at the bottom of the operation table, a first driving motor is arranged in the operation table, and the output end of the first driving motor is in spline connection with a first transmission rod. A first transmission shaft is fixedly installed at one end of the first transmission rod, a conveying belt is meshed with the surface of the first transmission shaft, a second transmission shaft is meshed with the inner wall of the conveying belt, a second driving motor is fixedly installed on the outer side wall of the operation table, and a second transmission rod is connected to the output end of the second driving motor through a spline. According to the flanging device for packaging and printing production, through cooperative arrangement of the operation table and the lifting supporting legs, the use height of the device can be adjusted through the lifting supporting legs during use, and the effect of adjusting the use height of the device is achieved.

The utility model relates to the technical field of table lamps, in particular to a detachable table lamp, and provides the following scheme aiming at the defects that in the prior art, the table lamp cannot be disassembled and assembled, so that the table lamp is inconvenient to transport, and the lamp can be used only after being connected with a household power supply and can only be placed on a table top, the detachable table lamp comprises an extension socket lamp holder, and a socket is arranged on the extension socket lamp holder; the top of the extension socket lamp holder is provided with a USB interface, the top of the extension socket lamp holder is provided with a first lamp pole, the first lamp pole is connected with a second lamp pole, the top of the second lamp pole is connected with an elbow, one side of the elbow is fixedly connected with a connecting piece, and one side of the connecting piece is provided with a buckle. Meanwhile, the use height of the table lamp holder can be adjusted, an independent power supply is arranged in the table lamp holder, the table lamp holder can be conveniently charged, and the table lamp holder can be used as an independent lighting tool.

The invention discloses a spectrophotometer and a gas detection method, and relates to the technical field of spectrophotometers, the spectrophotometer comprises a spectrophotometer body, a detection chamber and a detector, a detection mechanism is arranged in the spectrophotometer body, and an auxiliary mechanism is arranged on the spectrophotometer body. The first overturning frame and the second overturning frame are overturned upwards to be closed, the inserting block is inserted into the inserting groove to enable the wedge-shaped clamping block to be extruded and retracted, and when the inserting block is completely inserted into the inserting groove, the wedge-shaped clamping block is automatically clamped with the clamping groove under the rebound effect of a third spring; the first overturning frame and the second overturning frame are locked and fixed when being closed, then a limiting rod is pulled downwards along a limiting groove to enable dustproof cloth to stretch downwards, closed dust prevention is conducted on the operation portion of the spectrophotometer in cooperation with a dustproof cover plate, and meanwhile a user can lift and carry the spectrophotometer through a handle groove. And the portability and the practicability of the spectrophotometer are improved.

The utility model is suitable for the technical field of projector installation, and provides a projector installation support which comprises a base. The driving motor is assembled on the base; the lead screw is rotationally mounted on the base, and one end of the lead screw is fixedly connected with an output shaft of the driving motor; the connecting frame is arranged on the lead screw in a threaded and sleeving manner; the adjusting mechanism is assembled on the connecting frame and is used for adjusting the use angle of the placed projector; the placing plate is arranged on the adjusting mechanism and is used for placing the projector; and a plurality of fixing mechanisms assembled on the placing plate, wherein the fixing mechanisms are used for clamping and fixing the projectors placed on the placing plate. According to the projector mounting bracket provided by the scheme, the projector can be well mounted, meanwhile, the use height and angle of the projector can be conveniently adjusted, and the use convenience and flexibility are improved.

The utility model discloses a kind of repair equipment for soil pollution control, it is related to soil pollution control technical field.It includes drive bottom plate, medicine storage shell and water spraying shell, the top of damper is provided with guide frame, the output of second motor is provided with threaded shaft, the inside thread of water spraying shell is provided with threaded rod, the bottom end of threaded rod is rotatably provided with protective frame.In the utility model, by being provided with damper, threaded shaft and the components such as protective frame, protection can be carried out to water spraying shell using damper to dampen and consume energy, the rotation of threaded shaft can drive guide frame to move up and down, so as to be convenient for adjusting the use height of water spraying shell according to use requirement, when threaded rod rotates, the use position of protective frame can be adjusted, using protective frame can shade wind to space below water spraying shell, avoid liquid sprayed by water spraying shell to be blown away with wind when wind speed is relatively large, make repair liquid spray to specified position, effectively reduce the waste of repair medicine water.

The utility model belongs to the technical field of ploughing ploughs, and particularly relates to a ploughing plough lifting device of a mini-tiller, which comprises a ploughing plough and further comprises a lifting assembly capable of adjusting the using height of the ploughing plough, a support is arranged on the lifting assembly, the lifting assembly comprises a first supporting plate, the support is fixedly installed on one side of the first supporting plate, and a second supporting plate is arranged on the other side of the first supporting plate. The bottom of the first supporting plate is fixedly provided with an annular plate, and the bottom of the annular plate is fixedly provided with a second supporting plate. Through the arrangement of the lifting assembly, the function of adjusting the use height of the plow can be achieved, and the use height of the plow can be adjusted through adjusting the use height of the plow; the use convenience of the mini-tiller can be improved to a certain extent, and the practicability is further improved. In addition, the arranged lifting assembly can avoid the phenomenon that the height of the plow is automatically adjusted, dust and other impurities can be prevented from being attached to the screw, and the use stability of the screw is improved.

This utility model discloses a top-holding device for a milling machine tool, relating to the field of milling machine tool technology. It includes a support column, one end of which is equipped with an adjustable clamping assembly. A guide frame moves within an adjustment groove to adjust the height of the ejector cylinder. The guide frame guides the use of the reinforcing column. Two limiting plates limit the use of two trapezoidal top pins. Two telescopic springs buffer the movement of the two trapezoidal top pins within the ejector cylinder. A first trapezoidal cylindrical tube and a second trapezoidal cylindrical tube contact the two trapezoidal top pins, enabling the two top pins to move up and down with the ejector cylinder while being limited and clamped to their outer wall. A connecting cylinder uses a limiting seat to limit and support a limiting ring. A fixed seat uses a fixing block to fix the adjustable clamping frame. The adjustable clamping frame clamps and guides the components within the limiting ring.

The invention provides a noninvasive ventilator pipeline fixator, and belongs to the technical field of noninvasive ventilators. Comprising a frame body and a fixing mechanism, a bearing plate is installed in the frame body, the fixing mechanism comprises a limiting plate, the limiting plate is installed on the upper surface of the bearing plate, an inlet hole is formed in one side face of the limiting plate, a clamping plate is installed on the bearing plate in a sliding mode, and a threaded rod is arranged outside the clamping plate and used for pushing the clamping plate to move. The arc-shaped pressing plate is installed on one side face of the limiting plate in a sliding mode. A threaded rod rotates and pushes a first pushing plate to move, clamping plates can be controlled to move, a pipeline can be clamped through the clamping plates, when the two clamping plates move relatively, an arc-shaped pressing plate can be extruded, the arc-shaped pressing plate is made to move downwards, the arc-shaped pressing plate can clamp the upper surface of the pipeline, and the fixing effect on the pipeline is improved; dangerous patients caused by looseness and internal blockage at the joints of the pipelines are avoided.

This utility model relates to the field of electrophoresis hanger technology and discloses an electrophoresis hanger with an anti-workpiece detachment structure. It includes a main hanger board, a suspension ring fixedly installed at the upper end of the main hanger board, a hanging structure installed at the front end of the main hanger board, and an anti-detachment structure installed at the front end of the main hanger board. Pushing the locking plate outwards towards the hanging hook compresses the connecting spring, and then placing the workpiece on the hanging hook. Releasing the locking plate allows the connecting spring's restoring force to bring the locking plate closer to the workpiece. The two sets of locking plates restrict the position of the workpiece. Then, activating the cylinder moves the connecting plate and the abutment rod downwards, pressing the upper surface of the workpiece and fixing it in place. This prevents the workpiece from tilting and, because the abutment rod prevents it from detaching from the hanging hook, keeps the workpiece stable during electrophoresis. A sliding component allows adjustment of the hanging hook's height.

The invention discloses a wound cleaning device for pediatric surgery, and relates to the technical field of pediatric surgery. The device comprises a transverse plate, the left side of the top of the transverse plate is fixedly connected with a box body, first electric telescopic rods are arranged on the two sides of the top of the box body in a penetrating mode, and the output ends of the first electric telescopic rods are fixedly connected with a cleaning basin; the right side of the top of the transverse plate is fixedly connected with an adjustable constant-temperature water tank. Through cooperation of the first electric telescopic rod, the cleaning basin, the adjustable constant-temperature water tank, a second electric telescopic rod, a connecting mechanism, a shell, a motor, a threaded rod, a threaded sleeve and a spraying plate, the purpose of diversification of cleaning modes is achieved, handheld cleaning and spraying cleaning can be conducted, the applicability of the wound cleaning device for the pediatric surgical operation is improved, and the practicability is high. And an adjusting mechanism is arranged, the using height of the supporting mechanism and the spraying structure can be adjusted according to using requirements, the using requirements of different scenes are met, and therefore the current market requirement is met.

The utility model belongs to the technical field of typesetting devices, particularly relates to a graphic design typesetting device, and aims to solve the problems that when graphic design is needed in the prior art, the height is inconvenient to adjust, and the graphic design typesetting device is inconvenient to move and use flexibly. A mounting plate is fixedly mounted at the top of the supporting plate and is of a U-shaped structure, a typesetting structure is placed in the mounting plate, bolts are connected to the two sides of the mounting plate in a threaded mode, twisting handles are arranged on the outer sides of the two bolts, the inner ends of the two bolts are matched with the typesetting structure, and four supporting rods are arranged at the bottom of the U-shaped seat. Universal wheels are arranged at the bottoms of the four supporting rods correspondingly, and sleeve rods are slidably installed on the outer sides of the four supporting rods correspondingly. The typesetting structure is simple in structure, the height and the angle of the typesetting structure can be conveniently adjusted, the universal wheels are controlled to ascend and descend when the height is adjusted, and the whole typesetting structure can be conveniently moved.

The utility model discloses a water flow velocity detector, and relates to the technical field of water conservancy projects. The device comprises a detection mechanism and a mounting rack. By changing the position of the fastener on the circumferential surface of the fixing column, the depth of the fixing column below the fixing frame can be changed, so that the use height of the fixing seat can be changed, the use heights of the fixing plate, the detector and the flow velocity sensor can be changed, and the purpose of detecting the flow velocity of water flow at different depths can be achieved; when the distance between the fixed frame and the fixed seat is changed, the included angle between the two ends of the connecting plate and the fixed frame and the included angle between the two ends of the connecting plate and the movable seat are changed under the action of the connecting shaft, and the movable seat can move on the circumferential surface of the limiting shaft, so that the fixed seat can be prevented from falling off, and the limiting plate can move on the side wall of the mounting frame in the vertical direction; therefore, the use stability of the detector and the flow velocity sensor can be further ensured, and the actual detection accuracy is prevented from being influenced by water flow impact.

The utility model relates to the technical field of medical auxiliary instruments, in particular to a movable bed defecation supporting frame which comprises a supporting assembly, an annular pad is arranged at the upper end of the supporting assembly, two fixing blocks are arranged on the left portion of the upper end of the supporting assembly, and a backrest assembly is arranged between the two fixing blocks jointly. A back cushion is fixedly connected to the upper portion of the right end of the backrest assembly, armrests are fixedly connected to the front portion and the rear portion of the right end of the backrest assembly, the two armrests are located on the lower portion of the back cushion, a fixing assembly is arranged at the left end of the supporting assembly, the supporting assembly comprises a supporting plate, and a groove is formed in the upper end of the supporting plate in a penetrating mode. A supporting plate is fixedly connected to the left end of the supporting plate, telescopic plates are fixedly connected to the front portion and the rear portion of the lower end of the supporting plate, and the supporting plate is fixedly connected with the two fixing blocks. According to the movable defecation supporting frame on the bed, the supporting assembly and the backrest assembly are arranged, so that the defecation process of a patient can be facilitated.

The utility model discloses an intelligent control charging pile which comprises a charging pile control cabinet, two ends of the charging pile control cabinet are provided with a protective top plate and a supporting bottom plate, a protective vertical frame is longitudinally inserted between the protective top plate and the supporting bottom plate, and a lifting adjusting mechanism is arranged between the protective vertical frame and the protective top plate. A charging display screen and a control button are further arranged on one side of the charging pile control cabinet, and a detachable anti-touch baffle is arranged on the outer side of the charging display screen and the outer side of the control button in a covering mode. According to the charging pile control cabinet, the protection vertical frame can cover and protect the two side walls of the charging pile control cabinet, damage to internal elements caused by direct impact of external force on the charging pile control cabinet is prevented, and a lifting adjusting mechanism is arranged between the protection vertical frame and the protection top plate, so that lifting adjustment can be conducted on the protection vertical frame by rotating a lead screw; therefore, the use height of the protective vertical frame can be adjusted, and the use flexibility of the protective vertical frame is improved.

The utility model provides a supporting mechanism of a synchronous motor, which relates to the technical field of supporting mechanisms of synchronous motors and comprises a motor body, an adjusting mechanism is arranged at the bottom of the motor body and comprises a fixing plate, the fixing plate is fixedly connected with the motor body, a mounting plate is arranged at the bottom of the fixing plate, and the mounting plate is fixedly connected with the motor body. A threaded rod is arranged at the top of the mounting plate and fixedly connected with the mounting plate, and the outer surface of the threaded rod is sleeved with a threaded pipe. According to the utility model, through the arrangement of the adjusting mechanism, the flexibility of the motor body during installation is higher, the motor body can be changed even if the installation height is not appropriate, so that the motor body can be smoothly connected with other components which are used in cooperation, and the threaded rod and the threaded pipe are arranged and are in threaded connection. Therefore, the threaded pipe can rotate and move under the cooperation of the threaded rod.

The utility model discloses an intelligent multi-station metal surface treatment continuous machining device which comprises a device table, an operation table is fixed to the top end of the device table, an installation frame is fixed to the top of the device table, a movable seat is transversely arranged at the top end in the installation frame, hydraulic cylinders are fixed to the two sides of the top end of the installation frame respectively, and a movable seat is fixed to the top end of the installation frame. And a mounting shell is arranged at the bottom end of the movable seat. When the intelligent multi-station metal surface treatment continuous machining device is used, an arranged locking block can be rotated downwards by 90 degrees at the front end of an operation table, and after an insertion block is unlocked in an insertion groove, a fixed station can be pulled out and disassembled forwards from the top end of the operation table through the insertion block; the number of machining stations can be flexibly disassembled and adjusted according to the number of machined workpieces, the device can conveniently conduct multi-station machining, and the problem that the number of the machining stations in the device is inconvenient to adjust is solved.

This utility model discloses a linkage assembly machine, including an assembly machine and a lifting mechanism. The lifting mechanism includes a base plate fixedly connected to the bottom of the assembly machine. A limit frame is fixedly connected to the bottom of the base plate. A housing is slidably connected to the surface of the limit frame. A limit bracket is fixedly connected to the bottom of the inner wall of the housing. A lifting plate is slidably connected to the surface of the limit bracket. The surface of the lifting plate is fixedly connected to the inner wall of the limit frame. A screw is movably connected to the inner wall of the limit bracket via a bearing. The bottom end of the screw is movably connected to the bottom of the inner wall of the housing via a bearing. In use, this utility model, under the action of the lifting mechanism, the tilting protection mechanism, the drive mechanism, and the clutch control mechanism, can provide shielding protection for the linkage assembly machine and quickly adjust its operating height, avoiding the inconvenience caused by the linkage assembly machine being easily damaged by bumps and the inability to adjust the operating height, thus giving it the advantage of ease of use.

The adjustable punching device for mechanical flange production comprises a frame body, stabilizing plates are installed on the two sides of the upper end of the frame body, a top plate is installed at the upper ends of the inner sides of the stabilizing plates, a hydraulic cylinder is arranged at the upper end of the top plate, and the lower end of the hydraulic cylinder penetrates through the lower end of the top plate through a piston rod to be provided with a sliding plate. A stepping motor is arranged at the lower end of the sliding plate through an electric sliding rail driving assembly, and a punching rod is installed at the output end of the stepping motor. According to the flange punching device, the servo motor drives the forward and reverse thread threaded rod to start to rotate, the forward and reverse thread threaded rod drives the threaded sleeve to move towards one side, the threaded sleeve drives the fixing block to move, the fixing block drives the clamping block through the moving block to fix a flange needing to be punched, and the stability during flange punching is improved; and through arrangement of a hydraulic cylinder, the use height of the punching rod is adjusted, and the flange punching depth is conveniently adjusted.

The utility model discloses a special blood sampling vehicle which comprises a rack, handles are fixedly connected to the two side faces of the rack, and idler wheels are connected to the outer wall of the bottom of the rack through a supporting structure. A loading part is arranged on the top face of the rack and comprises a movable plate with one end rotationally connected to the edge of the top of the rack through a rotating shaft and two or more sleeve boxes arranged on the outer wall of one side of the movable plate at equal intervals, and an angle adjusting assembly is arranged at one end of the movable plate. The supporting structure is composed of a supporting leg, an extension rod inserted into the inner wall of the supporting leg and two or more limiting holes formed in the circumferential outer wall of the supporting leg and the circumferential outer wall of the extension rod at equal intervals. The blood collection parts of different patients are placed in the independently separated storage chambers, so that the blood collection parts are obliquely stored, the blood collection parts are convenient to find, the blood collection parts are prevented from falling off, the stability of the blood collection parts during storage is improved, and the condition that blood samples are mixed is avoided.