54results about How to "Achieve bondage" patented technology

The present invention discloses a conformal light-sensing structure integrated digital microfluidic chip which can monitor a chemical reaction between droplets carrying different components in a digital microfluidic chip in real-time, in the detection application field of digital microfluidic biochemical detection on consumption for a low level sample. According to the chip disclosed by the present invention, on the basis of no change of a current structure and property of electrowetting, a subwavelength scale optical sensing structure is embedded between electrowetting adjacent electrode gaps; a co-planar conformal structure with a hydrophobic layer of the electrowetting structure is kept in structure; by detecting a change of a light-sensing structure light field which is caused by a small change in a refractive index occurring during a process of the droplets reaction, determination for composition and location of a microdroplet is realized. Compared with light sensing composed of a conventional capacitor, an electrical impedance sensor, an electrochemical sensor and a discrete element, the chip disclosed by the present invention has the advantages of being simple in structure, standard CMOS compatible process which is easier to integrate, low in cost and high in accuracy. In addition, a characteristic that a sensing structure is conformal with an electrowetting structure enables a sensing function to be added without reducing the electrowetting performance.

The invention provides a vector arc stage switching method and device for double rotary balance mass-based dynamic magnetic steel type magnetic levitation workpiece stages, and belongs to a semiconductor manufacturing equipment technology. The device comprises a support frame, a balance mass block, a rotating shaft, magnetic levitation workpiece stages, a workpiece stage measurement device and a workpiece stage drive device, wherein the two workpiece stages work between a measurement station and an exposure station; the positions of the workpiece stages are measured by plane gratings; the workpiece stages are driven by magnetic levitation planar motors; and the two workpiece stages are driven by the planar motors to achieve single-beat arc fast stage switching in the double workpiece stage switching process. According to the vector arc stage switching method and device, the problems that an existing stage switching scheme has multiple beats, a long track, multiple starting and stopping beats, long stabilization time and the like are solved; the stage switching link is reduced; the stage switching time is shortened; and the productivity of a lithography machine is improved.

The invention discloses an auxiliary device for psychiatric nursing. The auxiliary device for psychiatric nursing comprises a base plate, the four corners of the lower surface of the base plate are provided with supporting legs, the two sides of the base plate are provided with rail grooves, the inside of each rail groove is provided with a slide block, each rail groove is internally provided with a guide rod and a lead screw, the lead screw is connected to the corresponding slide block through a screw pair, the end of the lead screw penetrates through the side face of the base plate and is connected to a servo motor, the servo motor is fixed on the side of the base plate, the guide rod penetrates through a through hole on the slide block and is slidably connected to the slide block, each slide block is provided with a supporting board, and two opposite end faces of the supporting board are provided with first brackets. The auxiliary device can conduct constraining and massaging on a patient, multiple constraining structures are coordinated and have a good effect on constraining the patient, the body of the patient is prevented from getting hurt, and a massage device can promote blood circulation of the patient and accelerates the recovery progress; meanwhile, a medicine pillow is arranged and is conducive to calming of the patient, which facilitates treatment and nursing of the patient by nursing personnel.

The invention discloses a constraint bed for a patient suffering from manic neuropathy. The bed comprises a base plate, the lower surface of the base plate is fixedly connected with the tops of two third fixing rods separately, the bottoms of the third fixing rods are fixedly connected with the upper surface of a driving device, one end of the driving device penetrates through a first pulley and is fixedly connected with the lower surfaces of fixing plates, the upper surfaces of the two fixing plates are fixedly connected with the left end and the right end of the lower surface of a rubber plate respectively, a sponge mat is arranged on the lower surface of the rubber plate, and the left end of the first pulley is fixedly connected with the right side face of the base plate. According to the constraint bed for the patient suffering from the manic neuropathy, by means of the combined action of a motor, a take-up reel, a pulling rope, the fixing plate, the sponge mat, a second pulley andthe rubber plate, the rubber plate constrains the patient suffering from the manic neuropathy, the mode that multiple people forcibly press the patient or tie the patient with the rope is avoided, and then the action of the patient is constrained and the body of the patient is not hurt, and convenience is brought to nursing personnel.

The invention discloses a small animal tying device, which comprises a tying device and a sheath, wherein the tying device is cylindrical; one end of the tying device is sealed; the other end of the tying device is provided with an opening; the appearance of the sheath is cooperated with the appearance of the tying device; the sheath is covered on the tying device; the bottom of the sheath is covered on the opening; the sheath is provided with a zipper with double sliders, wherein the zipper with double sliders penetrates through the bottom of the sheath; the zipper with double sliders comprises a first slider and a second slider, wherein the first slider is provided with a first semi-ring, and the second slider is provided with a second semi-ring; the first semi-ring and the second semi-ring are used for being mutually cooperated on the bottom of the sheath to form a tail hole through which the tail of a small animal passes after the zipper with double sliders is closed. According to the small animal tying device, the small animal can be quickly, conveniently and effectively tied and fixed, the position of the tail hole can be regulated according to the figure and the tail height of the small animal, the tail of the small animal is prevented from being forced, so that the monitoring time can be shortened, and the monitoring precision is improved.

The invention relates to the field of electric connectors, in particular to an anti-decoding plug and an electric connector component using the same. The plug takes a front end as a plug end, and comprises a plug shell body; the plug shell body is provided with a plug section; the outer wall surface of the plug section is provided with at least one lock groove; a lock sleeve is movably arranged on the plug shell body in the way of preventing fall-off back and forth; a gap for a socket shell body to enter is arranged between the outer wall surface of the plug section and the inner wall surface of the lock sleeve; a push spring is jacked between the lock sleeve and the plug shell body; a locking bench which is protruded inwards is arranged on the inner wall surface of the lock sleeve; when the plug is plugged with an adapted socket, the locking bench is arranged on the periphery of a corresponding elastic jaw and restricts the deformation of the elastic jaw to the circumferential periphery of the plug; when the lock sleeve is pulled backwards, the locking bench moves to the corresponding elastic jaw and the elastic jaw slides from the corresponding lock groove; the lock sleeve is in transmission connection with an unlocking pull ring; and according to the anti-decoding plug and the electric connector component using same, the problems that the elastic jaw locking mechanism of an existing electric connector easily loses effect and the unlocking in a narrow space is inconvenient are solved.

The invention discloses a yarn guide device of a seamless underwear knitting machine. The yarn guide device comprises an adjusting mechanism, a dust removal mechanism, a synchronous mechanism, a yarnfeeding mechanism, a bottom plate and a thread gathering mechanism. The synchronous mechanism is arranged on the top face of the adjusting mechanism. The bottom of the adjusting mechanism is fixed tothe bottom plate. The yarn feeding mechanism and the thread gathering mechanism are sequentially arranged on one side of the adjusting mechanism. In the yarn guide device, by means of the adjusting mechanism, yarn can be kept in a straightened state all the time, and the surface of the yarn of different specifications can be cleaned. When the yarn penetrating through an outer yarn guide hole bearslarge tensile force, a first yarn guide plate can be automatically moved and adjusted downwards along the optical axis under the effect of the yarn. One end of a connecting rod is connected with thefirst yarn guide plate through a hinge base, the other end of the connecting rod is hinged to the top face of a slider, and therefore an adjusting spring connected with the side face of the slider hasa buffering and adjusting effect, it is ensured that the yarn penetrating through the first yarn guide plate is kept in a straightened state all the time, and the yarn winding phenomenon during the work of a yarn guide hook is avoided.

The present invention discloses a nursing sickbed of psychopaths. The nnursing sickbed comprises a bed board, a neck clamping frame, two wrist clamping frames and two foot clamping frames are arrangedon two sides of a top part of the bed board at equal intervals, and movable blocks are rotationally connected to bottom parts of the neck clamping frame, the wrist clamping frames and the foot clamping frames. The present invention relates to the technical field of medical appliances. The nursing sickbed for psychopaths solves problems that at present, two modes are generally adopted for constraint, one mode is that multiple persons forcibly press a patient on a bed, the other mode is that the patient is bound on a common sickbed through a rope or a constraint belt, but the two modes have defects, the former mode needs a large number of nursing personnel and consequently nursing cost is too high and safety is low, the latter mode is that tightness is not easy to master, if the bound is loose, the patient is easy to struggle off, the restraint effect cannot be achieved, if the bound is tight, blood circulation of the patient is influenced, medical accidents are also easy to cause, andinconvenience is brought to doctors and patients.

The invention relates to a multi-quantum well structure, a photoelectric device epitaxial wafer and a photoelectric device. The multi-quantum well structure is composed of quantum well layers and quantum barrier layers which grow alternately, and each quantum well layer and each quantum barrier layer are of an uneven structure. The quantum well layer and the quantum barrier layer of the multi-quantum well structure are arranged to be of structures with uneven components and uneven structures. The photorecombination efficiency, the internal quantum efficiency and the luminous efficiency of carriers are improved, and when the structure is applied to a photoelectric device epitaxial wafer and a photoelectric device, preparation of a high-power light-emitting diode, a high-power light-emittinglaser and a high-power light-emitting detector device is realized.

The invention relates to a controllable water mist spraying device for an unmanned aerial vehicle. A top hoisting support comprises a body connecting block, and multiple sets of top supporting rods are fixed to the side wall of the body connecting block by an annular array; a middle rotating driving support comprises multiple auxiliary supporting rods, the top supporting rods and the auxiliary supporting rod are fixedly connected through hoisting arms, and an auxiliary connecting block is fixed between one end of each auxiliary supporting rod and one end of the corresponding auxiliary supporting rod; a rotating driving motor is fixed to the body connecting block; a rotary disc is arranged between the body connecting block and the auxiliary supporting block, and the exterior of the rotary disc is rotatably connected with the outer wall of each sliding bush; a spraying support comprise an annular supporting frame, an impeller motor is fixed to the middle of the supporting frame, drivingimpellers are fixed to the impeller motor, an annular protruding ring is arranged at the bottom end of the supporting frame, and water spraying nozzles are arranged on the side wall of the supportingframe by an annular array. A bottom flow guiding mechanism comprises multiple arc-shaped flow guiding pieces, the tops of the flow guiding pieces are fixed to the outer wall of the supporting frame through spring pieces, and the bottoms of the sliding bushes are connected with the outer walls of the flow guiding pieces through hard pull rods.

The invention provides a plane-grating-measurement-based dynamic-magnetic-steel magnetic levitation dual-stage vector arc switching method and device and belongs to the technical field of semiconductor manufacture equipment. The plane-grating-measurement-based dynamic-magnetic-steel magnetic levitation dual-stage vector arc switching device comprises a support framework, a balancing mass block, wireless charging and wireless communication magnetic levitation stages, a stage measurement device and a stage driving device, wherein the two stages work between a measurement site and an exposure site; the positions of the stages are measured by plane gratings; a passive compensation structure formed by both a planar leaf spring and an electromagnetic damper is adopted for motion compensation for the balancing mass block; the stages are driven by a dynamic-magnetic-steel magnetic levitation planar motor; in the switching process of the two stages, the planar motor drives the two stages to achieve quick single-beat arc switching. The invention solves the problem that a conventional switching scheme is more in beat, long in track, more in start and stop process, long in stabilizing time, large in cable interference and the like, the switching processes are reduced, the switching time is shortened, and the productivity of a lithography machine is improved.

The invention discloses a self-floating alternating type water surface oil stain adsorption sheet, and belongs to the technical field of water body purification. A plurality of groups of lower oil absorption columns and upper oil absorption columns which are connected through a guide rope are arranged below an adsorption table, when the lower oil absorption columns reach certain adsorption saturation, oil stain is in contact with the inner side of an oil hydrolysis water guide part through the top end parts of the lower oil absorption columns, the oil hydrolysis water guide part is unblocked when meeting oil and overflows aqueous solution, after a hydrolysis column is in contact with the aqueous solution, an air guide hose is exposed and drives the lower oil absorption columns to move upwards under the buoyancy action of a floating ball, at the moment, the upper oil absorption columns at the other end of the guide rope falls down under the gravity of the upper oil absorption columns, and therefore, the lower oil absorption columns floats upwards automatically after adsorption saturation, so that the upper oil absorption columns alternately falls into a water body to continuously carry out adsorption on the oil stains, an alternating type column body adsorption mode is adopted, the adsorption area is increased to a certain extent, a certain distance can be reserved between everytwo oil absorption columns, and when the self-floating alternating type water surface oil stain adsorption sheet carries out oil stain adsorption on the water surface, the fluidity of the water bodyis prevented from being reduced.

According to the intelligent tunnel pipeline detection vehicle, one set of lifting device is used for adjusting the four sets of caterpillar bands, the caterpillar bands are made to adapt to maintenance pipelines with different hole diameters, the hole diameter adjusting device is used for tightening and constraining cable sets in the pipelines at the advancing section of the shell, and when cableclamping needs to be conducted, by means of buckling of upper-layer U-shaped buckles in the cable clamping device and cooperation of ratchets and pawls in the U-shaped buckles, clamping work is achieved, constraint and clamping of cables are achieved, protection of the cables is achieved, the maintenance work of lines in pipelines is replaced with manpower, the cables scattered in the pipelines are collected and clamped, the detection vehicle guarantees the service life of the cable, facilitates the centralized detection of a line, improves the detection efficiency and precision, is suitablefor pipelines with different hole diameters, is wide in applicability, is high in automation degree, and is suitable for popularization and application.

The invention discloses a nursing bed for mentally ill patients, which comprises a bed board. Both sides of the top of the bed board are equidistantly provided with neck holders, wrist holders and foot holders. The neck holder, wrist holders The bottoms of the frame and the foot frame are rotatably connected with movable blocks. The invention relates to the technical field of medical appliances. This nursing bed for mentally ill patients solves the problem that at present, two methods are generally used to restrain the patient, one is to force the patient to be pressed on the bed by multiple people, and the other is to bind the patient to an ordinary hospital bed with a rope or a restraint belt. However, there are disadvantages in these two methods. The former requires a large number of nursing staff, resulting in high nursing costs and low safety. The latter is not easy to grasp the tightness. If it is tight, it will affect the patient's blood circulation, and it will easily cause medical accidents, which will cause inconvenience to doctors and patients.

The invention discloses a high lie-on-the-side position supporting device of a patient. The supporting device comprises a supporting plate, an upper base and a lower base, the upper and lower bases can be detachably fixed to the supporting plate and are characterized in that an upper body cavity is formed in the upper base, a lower body cavity is formed in the lower base, the upper body cavity isprovided with arm cavities, the arm cavities are communicated with the upper body cavity, the complete body of patient lying on the side is cooperatively accommodated by the upper body cavity, the lower body cavity and the arm cavities, arm fastening belts are arranged at the arm cavities, and supporting soft cushions are placed in the upper and lower body cavities. The supporting device has the advantages that high lie-on-the-side position mechanical ventilation treatment is helped to be conducted on severe acute respiratory distress syndrome, the risk of being hurt by the pressing by lying on the side for a long term of the patient is reduced, and the patient is located at a high lie-on-the-side position, so that the draining of sputum in the lung is more thorough to help the treatment and rehabilitation of the severe acute respiratory distress syndrome.

The invention provides an active-balance-mass-based dynamic-magnetic-steel magnetic levitation dual-stage vector arc switching method and device and belongs to the technical field of semiconductor manufacture equipment. The active-balance-mass-based dynamic-magnetic-steel magnetic levitation dual-stage vector arc switching device comprises a support framework, a balancing mass block, magnetic levitation stages, a stage measurement device and a stage driving device, wherein the two stages work between a measurement site and an exposure site; the positions of the stages are measured by plane gratings; an active compensation structure consisting of dual-motor crank and rocker mechanisms is adopted for motion compensation for the balancing mass block; the stages are driven by a dynamic-magnetic-steel magnetic levitation planar motor; in the switching process of the two stages, the planar motor drives the two stages to achieve quick single-beat arc switching. The invention solves the problem that a conventional switching scheme is more in beat, long in track, more in start and stop process, long in stabilizing time and the like, the switching processes are reduced, the switching time is shortened, and the productivity of a lithography machine is improved.

The invention relates to the technical field of environmental restoration, and discloses a method for preserving high-activity iron particles based on a synergistic polysaccharide polymer network structure. The method comprises the following steps: (1) preparing a polysaccharide polymer A aqueous solution and a polysaccharide polymer B aqueous solution; the concentration of the polysaccharide polymer A aqueous solution is 2-20g / L; (2) adding the polysaccharide polymer A aqueous solution into high-activity iron particles, and performing first stirring to obtain mixed slurry I; and (3) adding the mixed slurry I into the aqueous solution of the polysaccharide polymer B, carrying out secondary stirring to obtain mixed slurry II, standing, and after the polymer is fully crosslinked, forming a compact three-dimensional network structure to obtain the semi-solid composite system with the storage modulus being greater than or equal to 3Pa and the loss modulus being greater than or equal to 40Pa. The method provided by the invention not only improves the safety of the high-activity iron particles, but also effectively maintains the chemical activity of the high-activity iron particles.

The utility model relates to the technical field of recycling frames, in particular to a product outer package recycling frame which comprises a frame body, a supporting frame and a supporting plate. The lifting mechanism comprises a supporting rod and a lifting rod, and the supporting rod is fixedly connected to the surface of the supporting frame; and the binding mechanism comprises a spring, a connecting block and a hook, and the spring is fixedly connected to the surface of the supporting plate. The sliding rail is arranged on the surfaces of the supporting rod and the lifting rod, the sliding rail is in sliding connection with the lifting connecting rod, the lifting connecting rod is movably connected with the hinged shaft, the hinged shaft is sleeved with the lantern ring, the lantern ring is fixedly connected with the push rod, the push rod is fixedly connected with the sleeve, the sleeve is movably connected with the screw, and the nut is rotated to drive the screw to rotate. The screw gradually moves forwards to push the lantern ring, the push rod and the sleeve to move forwards, so that the lifting connecting rod slides in the sliding rail, the supporting plate is driven to move upwards, the purpose of enlarging the storage space of the recycling frame is achieved, and product outer packages can be conveniently placed on the recycling frame.

The invention discloses a preparation method and a use method of a concrete surface retarder. The preparation method comprises the following steps: adding xanthan gum into water until the xanthan gum is completely dissolved, adding sodium-based zeolite and strong-acid cation exchange resin, and ultrasonically dispersing uniformly to form an emulsion A; adding hydroxypropyl carrageenan into solvent water, stirring until the hydroxypropyl carrageenan is completely dissolved, adding oxalic acid and dilute sulphuric acid, and uniformly stirring to form a solution B; the emulsion A and the solution B form the concrete surface retarder, and the emulsion A and the solution B are independently stored before use; when the concrete surface retarder is used, the emulsion A and the solution B are sprayed on the surface of concrete twice. By adopting the concrete surface retarder disclosed by the invention, surface retarding of concrete can be effectively realized, the surface retarding etching depth can be effectively controlled, a sagging phenomenon is avoided, a good application effect of the concrete surface retarder is realized, and adverse effects of the concrete surface retarder on a concrete interface are avoided.

The invention belongs to the technical field of patient body constraining, and particularly discloses mania psychiatric patient body constraining equipment which comprises a supporting mechanism, a flexible weightless leg supporting mechanism and an automatic jacking mechanism, the supporting mechanism comprises a cushion, a bottom steel frame and a moving assembly, the bottom steel frame is arranged below the cushion, and the moving assembly is arranged below the cushion. A backrest is arranged on the cushion, the moving assembly is arranged on the bottom steel frame, and the automatic jacking mechanism is arranged on the bottom steel frame. By means of the flexible weightlessness type leg supporting mechanism and the automatic jacking mechanism, when a patient struggles up, swing brake supporting can be automatically completed by means of the weight of the patient, that is, the patient cannot stand up due to weightlessness and no supporting point; the supporting mechanism can be stabilized and fixed through supporting of the automatic jacking mechanism; therefore, the technical purpose of binding the patient on the cushion can be achieved under the condition that all-directional binding and fixing are not carried out.

The invention belongs to the technical field of capacitors, and particularly relates to a glass glaze capacitor and a preparation method thereof. The glass glaze capacitor comprises a packaging medium and a sealing film layer, and the packaging medium is formed by mixing 50-100 parts of glass glaze powder, 1-6 parts of adhesive and 40-90 parts of methacrylic acid-maleic anhydride copolymer powder; and the methacrylic acid-maleic anhydride copolymer powder is formed by mixing methacrylic acid, maleic anhydride and a photoinitiator according to the mass ratio of 1: (1-3): (0.2-0.4) and copolymerizing under ultraviolet irradiation. According to the technical scheme, in the methacrylic acid-maleic anhydride copolymer prepared through ultraviolet irradiation polymerization, two carbonyl groups formed after ring opening of maleic anhydride in the polymerization process can chelate precious metal ions, binding of the precious metal ions is achieved, and the situation that due to migration of the precious metal ions, a breakdown phenomenon occurs, and a capacitor is damaged is prevented.

The invention discloses a small animal tying device, which comprises a tying device and a sheath, wherein the tying device is cylindrical; one end of the tying device is sealed; the other end of the tying device is provided with an opening; the appearance of the sheath is cooperated with the appearance of the tying device; the sheath is covered on the tying device; the bottom of the sheath is covered on the opening; the sheath is provided with a zipper with double sliders, wherein the zipper with double sliders penetrates through the bottom of the sheath; the zipper with double sliders comprises a first slider and a second slider, wherein the first slider is provided with a first semi-ring, and the second slider is provided with a second semi-ring; the first semi-ring and the second semi-ring are used for being mutually cooperated on the bottom of the sheath to form a tail hole through which the tail of a small animal passes after the zipper with double sliders is closed. According to the small animal tying device, the small animal can be quickly, conveniently and effectively tied and fixed, the position of the tail hole can be regulated according to the figure and the tail height of the small animal, the tail of the small animal is prevented from being forced, so that the monitoring time can be shortened, and the monitoring precision is improved.

The invention relates to the field of electric connectors, in particular to an anti-decoding plug and an electric connector component using the same. The plug takes a front end as a plug end, and comprises a plug shell body; the plug shell body is provided with a plug section; the outer wall surface of the plug section is provided with at least one lock groove; a lock sleeve is movably arranged on the plug shell body in the way of preventing fall-off back and forth; a gap for a socket shell body to enter is arranged between the outer wall surface of the plug section and the inner wall surface of the lock sleeve; a push spring is jacked between the lock sleeve and the plug shell body; a locking bench which is protruded inwards is arranged on the inner wall surface of the lock sleeve; when the plug is plugged with an adapted socket, the locking bench is arranged on the periphery of a corresponding elastic jaw and restricts the deformation of the elastic jaw to the circumferential periphery of the plug; when the lock sleeve is pulled backwards, the locking bench moves to the corresponding elastic jaw and the elastic jaw slides from the corresponding lock groove; the lock sleeve is in transmission connection with an unlocking pull ring; and according to the anti-decoding plug and the electric connector component using same, the problems that the elastic jaw locking mechanism of an existing electric connector easily loses effect and the unlocking in a narrow space is inconvenient are solved.

The invention discloses a waterproof sealing element of a wiring harness for a new energy automobile, relates to the related technical field of wiring harnesses and aims to solve the problem that in the prior art, the wiring harness cannot be sealed and fixed for a long time conveniently. A connecting cavity is formed in a first connecting assembly, two pressing plates are arranged in the connecting cavity, the two pressing plates are symmetrically arranged, two groups of telescopic blocks are arranged at the back ends of the pressing plates, each group of telescopic blocks comprises two telescopic blocks, one group of telescopic blocks is arranged at the back end of one pressing plate, a spring is arranged at one side of one telescopic block, the springs are fixedly connected to the pressing plates, the springs are fixedly connected to the first connecting assembly, a fixed clamping block is arranged on the other side of each telescopic block, grooves are formed in the front and backends of each fixed clamping block, a connecting strip is arranged on one side of each fixed clamping block, and the connecting strips are fixedly connected to the fixed clamping blocks.

The utility model relates to the technical field of batteries, and discloses a battery pack. The end plate is provided with a first direction and a second direction which are perpendicular to each other, the end plate comprises an end plate body, a first reinforcing part and a second reinforcing part, and the first reinforcing part and the second reinforcing part are connected to the two sides of the end plate body respectively in the second direction. One end of the first reinforcing part and one end of the second reinforcing part respectively extend out of the end plate body in the direction back to the top plate along the first direction; the first battery cell group comprises a top wall, the first battery cell group abuts against one side, deviating from the end plate body, of the first reinforcing part, and the top wall of the first battery cell group is arranged on the top plate; the second battery cell group comprises a top wall, the second battery cell group abuts against one side, deviating from the end plate body, of the second reinforcing part, and the top wall of the second battery cell group is arranged on the top plate. According to the battery pack provided by the utility model, in the production process, the first battery cell group and the second battery cell group can be restrained to arch upwards due to left-right pre-tightening force, so that the flatness of the bottoms of the first battery cell group and the second battery cell group is ensured.

The invention discloses a binding device of a small animal. The binding device comprises a binding device, a head sleeve and a tail sleeve, wherein the binding device is barrel-shaped, one end of the binding device is closed and the other end of the binding device is provided with an opening; the head sleeve is sheathed with one closed end of the binding device and is provided with a first connecting device; the tail cover is sheathed with one end, with the opening, of the binding device and is provided with a second connecting device matched with the first connecting device, and the bottom of the tail sleeve covering the opening is provided with a through hole through which the tail of the small animal passes. The binding device disclosed by the invention has the advantages that the rear legs can be prevented from pedaling out of the binding device when the experiment animal flounders, and when the binding device is matched with a non-invasive blood pressure monitoring system for use, the purpose of binding the experimental animal is effectively achieved, so that the benefit to shortening the monitoring time and improving the monitoring accuracy is achieved.