101results about How to "Easy to adjust and save effort" patented technology

The invention discloses a display support. The display support comprises an angle-adjustable support body and a display hanging plate component (5). A joint (13) is connected on the support body. The display hanging plate component (5) comprises a hanging plate (11), a connector (31) and a connecting block (12), the hanging plate (11) is rotationally connected with the connector (31), one end of the connecting block (12) is rotationally connected with the joint (13), the other end of the connecting block (12) is provided with a shaft hole (19), a rotary shaft (23) is in close fit in the shaft hole (19), a one-way bearing (27) is connected on the rotary shaft (23), an outer circle of the one-way bearing (27) is in close fit with the inner wall of the shaft hole (19), and two ends of the rotary shaft (23) are fixedly connected with the connector (31). The display support is capable of protecting the hanging plate from downward inclining due to dead weight of a display and the angle of the hanging plate is laborsaving and convenient to adjust.

The invention discloses a planetary speed reduction type eccentricity-adjustable helical hole-milling device. The planetary speed reduction type eccentricity-adjustable helical hole-milling device is characterized by comprising a rotation system, a revolution system, a radial eccentricity adjusting system, a clamping braking system assembly and an axial feeding system. The radial eccentricity adjusting system can achieve precise trace linear eccentricity adjustment with high transmission ratio, and required input power is small. Compared with sliding block adjusting structures disclosed by existing patents, the radial eccentricity adjusting system can perform adjustment conveniently with less labor, and compared with a dual eccentric sleeve structure and an offset sliding block structure, the ratio of the size of the adjusting structure to the size of a rotation power source is greatly decreased, the occupied space is reduced, and the dead weight is reduced relatively in case of the identical material. Compared with an electromagnetic brake, the clamping braking system assembly can perform braking easily and conveniently; compared with a radial screw holding structure, the required pretightening force is small, and clamping is reliable; and compared with a worm and gear structure, self-locking never fails, and the working stability is high.

The invention relates to a fabricated wall body included angle adjusting device which comprises a shaft rod erected at an included angle of wall bodies, and the shaft rod, a bottom beam and an obliquebeam form a triangular supporting structure. A through hole is formed in the outer end of the bottom beam, an arc-shaped telescopic beam is installed in the through hole, sliders are arranged at thetwo ends of the arc-shaped telescopic beam, the slider at one end of the arc-shaped telescopic beam is arranged at the bottom of the left wall body, and the slider at the other end is arranged at thebottom of the right wall body; a construction method of the fabricated wall body included angle adjusting device comprises the steps of sleeving the shaft rod with a wall fixator, and connecting the left wall body firstly; connecting the right wall body; pulling telescopic rods out of a guide groove, and inserting L-shaped supporting plates of the sliders at the ends of the two telescopic rods into the bottoms of the wall bodies separately; rotating supporting lead screws of universal wheels to enable the universal wheels to touch the ground, and continuing screwing the supporting lead screwsof the universal wheels to enable the L-shaped supporting plates to slightly lift the wall bodies; adjusting the included angle, and then fixing the free ends of the wall bodies; and fixing a lockingassembly at the included angle. According to the fabricated wall included angle adjusting device, the adjustment of the wall body is labor-saving, the installation precision of the wall body is high,and the speed is high.

Disclosed is a flat panel display stand, comprising a base (1), a first rocker arm (2) and a second rocker arm (3), wherein one end of the first rocker arm (2) is rotatably connected to a rotary shaft (7) on the base (1), the other end of the first rocker arm (2) is rotatably connected to one end of the second rocker arm (3); and further comprising a hanging plate (22) and a connecting block (20), wherein one end of the connecting block (20) is hinged with the second rocker arm (3), the other end of the connecting block (20) is hinged with the hanging plate (22), a rotating base (4) is provided between the first rocker arm (2) and the second rocker arm (3), a lower end of the rotating base (4) is rotatably connected to the first rocker arm (2), the second rocker arm (3) is hinged with the rotating base (4) via the rotary shaft (7), a one-way bearing (8) is connected on the rotary shaft (7), an outer peripheral wall of the one-way bearing (8) is tightly fitted with an inner wall of a mounting hole of the rotary shaft (7) on the rotating base (4), and two ends of the rotary shaft (7) are fixedly mounted on two side walls of the second rocker arm (3). The flat panel display stand prevents the dead-weight of the second rocker arm (3) causing the hanging plate (22) to tilt downwards, while making adjustment of the angle of the hanging plate (22) economical on labour and convenient.

The invention relates to the technical field of lifting and discloses a lifting mechanism capable of reducing rusting and convenient to adjust. The lifting mechanism capable of reducing rusting and convenient to adjust comprises a vehicle body; an inner groove I and a moving groove are formed in the vehicle body respectively; an inner groove II is formed in an inner pipe; the internal part of a moving head is connected with a ball; an oil storage tank and an oil outlet are formed at the top of the inner pipe respectively; the outer part of the inner pipe is connected with a fixed disc; one end, far away from the fixed disc, of a soft rope is connected with a soft plug; the internal part of a fixed block is connected with a bolt; and a ball groove is formed in the vehicle body. According tothe lifting mechanism capable of reducing rusting and convenient to adjust and through the use of the oil storage tank, the oil outlet, the ball groove and the ball, the ball can be lubricated and derusted before use, the seat is convenient and labor-saving for people to adjust and the injury possibility caused by overexert is reduced; and through the use of the moving groove, the moving head andthe ball groove, a vehicle seat adjusting path is fixed and the influence on riding experience caused by seat deflection is avoided.

The invention relates to a mechanical device for immediately adjusting an installing angle of a guide vane. The mechanical device can immediately play optimum performance under the different working conditions and has the advantages of being capable of saving effort in adjustment and convenient to user. According to the technical scheme, the mechanical device for immediately adjusting the installing angle of the guide vane comprises a guide vane hub located at the upstream position of a box, coaxial with the box and arranged in a fan housing and a plurality of guide vane blades evenly distributed on the outer circumferential face of the guide vane hub along the circumference and is characterized in that the guide vane blades are respectively and rotatably hinged to the outer circumferential face of the guide vane hub, an adjusting mechanism drives and controls rotating angles of the guide vane blades and comprises prism adjusting shafts capable of moving along the axis of the fan housing and provided with side prisms identical to the guide vane blades in number, groove block matching structures converting movements of the prism adjusting shafts into rotation of the guide vane blades around the hinge axis and an adjusting motor exerting axial thrust on the prism adjusting shafts.

The invention discloses a numerically controlled wood engraving and milling machine with a universal regulating function. The numerically controlled wood engraving and milling machine comprises a machine body, a controller, a power shaft, a power shaft driving motor, a tailstock and a tool apron, wherein the power shaft is arranged on the machine body; the power shaft driving motor comprises a high-speed motor and a low-speed motor; the low-speed motor is matched with the power shaft through a gear; the high-speed motor is matched with the power shaft through a belt wheel and a belt; one side of the low-speed motor is hinged at the front part of the machine body, and the other side of the low-speed motor is connected with an air cylinder clutch at the front part of the machine body; the air cylinder clutch controls a gear which is connected with the low-speed motor to be disengaged from and engaged with a gear on the power shaft; a turning tool is arranged on one side of the tool apron, and an engraving tool is arranged on the other side of the tool apron through a universal regulating frame; a central sleeve which is sleeved outside a wood rod material is arranged at the front part of the machine body; a patterned inner hole is formed in the central sleeve; the exterior of the central sleeve is arranged on the machine body through a bearing. The numerically controlled wood engraving and milling machine can regulate a cutter conveniently with labor saving, is high in machining accuracy, good in machining quality, and easy and convenient to operate; skin turning and engraving can be completed by clamping at one time.

The invention discloses a sorting and dust-removing device used for capsules. The sorting and dust-removing device used for the capsules comprises a polishing mechanism, a sorting unit and a feed mechanism. The polishing mechanism, the sorting unit and the feed mechanism are arranged in sequence from front to back. The polishing mechanism comprises a rack, a polishing brush, a polishing cylinder, a feed inlet, a discharge outlet, a powder absorption port and a first motor. The polishing cylinder and the first motor are arranged on the rack. The feed inlet is formed in the upper portion of the rear end of the polishing cylinder. The discharge outlet is formed in the bottom of the front end of the polishing cylinder. The powder absorption port is formed in the bottom of the polishing cylinder. The polishing brush is arranged inside the polishing cylinder. A rotating shaft of the first motor is in transmission connection with a shaft of the polishing brush. The rack comprises a first base, a support post, a connecting shaft, a screw casing, a screw body, a base body, a mounting base, an adjusting disc, a connecting body and an angular scale. Compared with the prior art, the polishing cylinder can be accurately and fast adjusted to a required inclination degree, the adjusting is convenient and effortless, the reliability is high, the efficiency can be improved, and manpower can be economized.

The invention discloses a mechanical lifting type heatable operating table, and relates to the technical field of surgeries. The mechanical lifting type heatable operating table comprises an operatingtable body, wherein the upper surface of the operating table body is provided with a groove, the lower surface of the inner wall of the groove is in lap joint with the lower surface of surgical mattress through an insulating layer, the insulating layer is internally provided with an electric heating wire body, the surgical mattress is arranged on the upper surface of the operating table body, andtwo temperature sensors are arranged in the surgical mattress separately. The mechanical lifting type heatable operating table has the advantages that through the cooperation among the surgical mattress, the electric heating wire body, the insulating layer, the temperature sensors, a temperature display and a temperature regulating switch, a medical worker can adjust the temperature of the surgical mattress through the temperature regulating switch according to actual situations, thereby avoiding the problem that the temperature of the surgical mattress is too high and burns a patient, so that the electric heating wire body in the operating table body heats the surgical mattress, the whole body of the patient is heated evenly, surgical pollution is avoided, and the mechanical lifting typeheatable operating table is safe and reliable.

The invention provides a wind pressure switch which comprises a shell, a driving device, a contact action device and a pressure adjusting device, the pressure adjusting device comprises a biasing member, a guide structure, and an operation knob; the one end of the biasing member is arranged on the other side of a triggering structure corresponding to a push rod, the acting force direction is parallel to the acting force direction of the push rod, and a sliding part is arranged at the other end of the push rod; the guide structure limits the sliding part to slide along the acting force direction of the biasing member; and the operation knob is rotationally arranged on the shell, a driving structure connected with the sliding part facing the inside of the shell, and the operation knob drivesthe driving structure to drive the sliding part to move in the rotation process. In the present invention, the pressure value corresponding to the size of the wind pressure switch can be adjusted bydirectly rotating the operation knob manually, without the need of any external tools, the adjustment is convenient and manpower is saved, the accuracy and stability of the pressure value in the shellis guaranteed, the wind magnitude of the device with the wind pressure can be accurately monitored, the structure is compact and reliable, and the use is safe and reliable.

The invention discloses a peeling and cutting tool for cables. The peeling and cutting tool comprises a hob (1), an adjusting rod (2), an outer sleeve (3), a middle sleeve (4), an inner shaft (5), a pressing screw (6) and a set screw (7), wherein the hob (1), the adjusting rod (2), the outer sleeve (3), the middle sleeve (4), the inner shaft (5), the pressing screw (6) and the set screw (7) are arranged in a coaxial mode, the pressing screw horizontally penetrates through the outer sleeve and then abuts against a stopping groove (4a) of the middle sleeve, the set screw penetrates through the middle sleeve and then is stretched into a rotation stopping groove (5c) of the inner shaft, the threaded section (2b) of the adjusting rod is connected with the upper portion of the middle sleeve through threads, a shaft neck (2d) is arranged in the middle of a push rod section (2c), the lower portion of the push rod section is inserted into a cylinder hole which corresponds to the top of the inner shaft, two semi-circular rings are arranged on the shaft neck, the semi-circular rings has the same height with the shaft neck and are buckled with the shaft neck, and the two semi-circular rings are fixed on the inner shaft through fastening screws (9) respectively. The peeling and cutting tool for the cables is simple in structure and ingenious in conception, achieves the objective that a cable cutting tool can not only conduct rough adjustment but also conduct fine adjustment, is combined with the adjusting function of a tool installation frame and enables the tool to be more conveniently adjusted in a labor-saving mode.

The invention discloses a cylindrical component support device for a laboratory, and belongs to the field of laboratory apparatuses. The cylindrical component support device comprises a support frame,wherein a base for placing cylindrical components is arranged at the bottom of the support frame; a plurality of L-shaped limited rods which are uniformly distributed in the circumferential directionare arranged on the support frame; each limited rod comprises a transverse rod and a vertical rod; the vertical rods are used for fixing the cylindrical components; the transverse rods are movably inserted in the support frame; the inserting direction of the transverse rod is the radial direction of the cylindrical component; fasteners for fixing the transverse rods are arranged on the upper sidesurface of the support frame; when the cylindrical parts of different sizes are placed on the base, as the transverse rods can move steplessly in the inserting direction of the transverse rods, the cylindrical component support device can adapt to the cylindrical parts having any diameter within a certain range, and the problem that a support for the laboratory in the prior art cannot adapt to sufficient sizes is solved.

The invention discloses a modified capsule polisher capable of sorting capsules. The modified capsule polisher comprises a polishing mechanism and a sorting mechanism. The polishing mechanism comprises a rack, a polishing brush, a feed inlet, a discharge outlet, a powder sucking opening and a motor. The rack is provided with a polishing barrel and the motor. The feed inlet is formed in the upper portion of the rear end of the polishing barrel. The discharge outlet is formed in the bottom of the front end of the polishing barrel. The powder sucking opening is formed in the bottom of the polishing barrel. The polishing brush is arranged in the polishing barrel. A rotary shaft of the motor is in transmission connection with a shaft of the polishing brush. The rack comprises a first base, a support pillar, a connection shaft, a screw sleeve, a screw body, a seat body, an installation seat, an adjusting disc, a connection body and an angle scale. Compared with the prior art, the polishing barrel can be accurately and fast adjusted to a needed gradient, adjustment is convenient and effortless, the reliability is high, the efficiency can further be improved, and manpower is saved.

The invention discloses a steel reinforcement framework machine end portion longitudinal bar locker. The steel reinforcement framework machine end portion longitudinal bar locker comprises a penetrating reinforcement block, the penetrating reinforcement block is provided with a circular penetrating reinforcement hole and a rectangle locking hole, the penetrating reinforcement hole is communicated with the rectangle locking hole, and the diameter of the penetrating reinforcement hole is bigger than the width of the locking hole; a lead screw penetrates through the locking hole, and the lead screw is provided with an elastic sleeve head and a locking block which are arranged on two sides of the penetrating reinforcement block; the elastic sleeve head is provided with a hand shank and a locking pressing plate, and the locking pressing plate is of an eccentric circular and used for compressing a longitudinal bar; the locking block is provided with a threaded hole which is matched with the lead screw in a threaded mode, the section of the locking block is of a T shape in the direction of the lead screw, and the locking block is matched with the rectangle locking hole to form a sliding pair; a longitudinal bar end portion axial direction position block is arranged on the penetrating reinforcement block corresponding to the penetrating reinforcement hole, and the position block is fixedly connected with the penetrating reinforcement block. By means of the steel reinforcement framework machine end portion longitudinal bar locker, fixing and locking longitudinal bar end portion is more convenient and reliable, and the arrangement of the longitudinal bar end portion is neat.

The invention relates to an airing device for agriculture, in particular to a corn kernel airing device for agriculture. The corn kernel airing device for the agriculture is characteristic in that passing space of pedestrians and motor vehicles are not occupied, and movement is convenient; according to the technical solution, the corn kernel airing device for the agriculture comprises a base, a universal wheel, a rolling wheel, a first supporting rod, a second supporting rod, a first supporting plate, a first screw rod, a first tension spring, a first top plate, a second screw rod and the like, wherein the universal wheel is connected to the left side of the bottom of the base, the rolling wheel is connected to the right side of the bottom of the base, the first supporting rod is connectedto the left end of the top of the base, and the second supporting rod is connected to the right end of the top of the base. The corn kernel airing device for the agriculture can be flexibly adjusted,and can be conveniently moved to a position where the pedestrians and the motor vehicles are not affected, a large amount of corn kernels can be aired, thereby preventing the pedestrians and the motor vehicles from pressing on the corn kernels, and safety and reliable performance are achieved.

The invention discloses a high-efficiency combining device for producing capsules. The high-efficiency combining device comprises a polishing mechanism, a sorting device and a feeding mechanism, which are arranged in sequence from front to back. The polishing mechanism comprises a frame, a polishing brush, a polishing cylinder, a feeding opening, a discharging opening, a powder absorbing opening and a first motor. The polishing cylinder and the first motor are arranged on the frame. The feeding opening is formed in the upper part of the rear end of the polishing cylinder. The discharging opening is formed in the bottom of the front end of the polishing cylinder. The powder absorbing opening is formed in the bottom of the polishing cylinder. The polishing brush is arranged in the polishing cylinder. A rotating shaft of the first motor is in transmission connection with a shaft of the polishing brush. The frame comprises a first base, a supporting seat, a manual disk, a slide seat part, a sleeve body, a groove, a plurality of tooth bodies, a mounting seat and a rotating shaft. Compared with the prior art, the high-efficiency combining device has the advantages that adjustment is convenient and labor-saving, the reliability is high, the efficiency is improved, and labor is saved.

The invention discloses a high-efficiency multifunctional capsule polishing sorter. The high-efficiency multifunctional capsule polishing sorter comprises a polishing mechanism and a sorting device; the polishing mechanism includes a rack, a polishing brush, a polishing cylinder, a feed port, a discharge port, a powder sucking port and a motor; the polishing cylinder and the motor are arranged on the rack; the feed port is formed in the upper part of the back end of the polishing cylinder; the discharge port is formed in the bottom of the front end of the polishing cylinder; the powder sucking port is formed in the bottom of the polishing cylinder; the polishing brush is arranged in the polishing cylinder; a rotating shaft of the motor is in transmission connection with a shaft of the polishing brush; and the rack includes a first base, a support base, a manual disc, a slide base part, a sleeve body, a groove, multiple tooth bodies, a mounting base, an angle scale and a rotating shaft. Compared with the prior art, the high-efficiency multifunctional capsule polishing sorter can accurately and quickly adjust the polishing cylinder to a needed inclination, is convenient and labor-saving in adjustment and high in reliability, can improve the efficiency, and saves manpower.

The invention discloses a movable triangular wire drawing machine for heat sink processing, and relates to the technical field of heat sink production and processing; one side of the frame is sequentially provided with a crank handle and a control panel; the machine cover is arranged on the machine Above the frame, there is a sandpaper belt inside, and the sandpaper belt goes around the first drum, the second drum and the third drum in turn; both ends of the machine cover are equipped with scrap outlets; The opening below the hood is located directly above the workpiece; the bottom of the frame is provided with a set of pulleys, and the bottom of the hood is provided with a visual sensor connected to an external display; the surfaces of the control panel, hand press plate and workbench are all Coated with a self-luminous layer, the self-luminous layer is made of long afterglow luminescent material; the wire drawing machine of the present invention is easy to operate, the drawing accuracy and drawing efficiency have been greatly improved, the application range is wide, the safety is good, and the handling and maintenance The maintenance is convenient and fast, which ensures that the drawing work can be carried out efficiently and stably for a long time.

The invention relates to an integrated brake cable tightness adjusting device and belongs to the technical field of electric vehicle maintenance. The integrated brake cable tightness adjusting devicecomprises a screw loosening and tightening device, an upper pressing rod and a lower pressing rod. The middle of the upper pressing rod and the middle of the lower pressing rod are connected in a crossed mode, and a supporting frame is mounted on the crossed position of the upper pressing rod and the lower pressing rod. An upper movable block is mounted in the upper pressing rod, and a lower movable block is mounted in the lower pressing rod. A supporting plate is mounted between the upper movable block and the lower movable block, and a first screw is arranged between the supporting plate andthe tail of the supporting frame. A lower jacking plate is mounted in the upper pressing rod, and an upper jacking plate is mounted in the lower pressing rod. The upper jacking plate and the lower jacking plate are both connected with the supporting frame. According to the integrated brake cable tightness adjusting device, the tail of a brake cable is clamped through a clamping plate; then through sliding of the jacking plates, a brake rocker arm is pushed out, the brake cable is pulled out, and thus the effects that brake adjusting is convenient and saves labor are achieved; and the situation that when the brake cable or the brake rocker arm breaks away, hands of an operator are scratched can further be prevented.

The invention discloses a convenient-to-use electric control cabinet, which comprises an electric control cabinet bottom plate, wherein a lifting plate is vertically arranged above the electric control cabinet bottom plate, the top side of the lifting plate is fixedly connected with an annular shell, the top side of the electric control cabinet bottom plate is fixedly connected with a sliding seat, a top sliding groove is formed in the top side of the sliding base, a sliding rod is fixedly connected to the bottom side of the lifting plate, the bottom end of the sliding rod is slidably connected into the top sliding groove, a limiting side rod is fixedly connected to one side of the bottom end of the sliding rod, a side sliding hole is formed in the inner wall of the vertical side of the top sliding groove, one end of the limiting side rod slidably penetrates through the side sliding hole, a threaded cylinder is fixedly connected to the middle of the top side of the electric control cabinet bottom plate, and a threaded column is in threaded connection in the threaded cylinder. Through mutual cooperation of all parts, people can operate and observe electrical elements in the electriccontrol cabinet conveniently, the adjustment process is convenient and labor-saving, and the use requirements of people in production and life are met.

The invention discloses a belt adjuster for a spin dryer. The belt adjuster comprises screw rods, as well as lock screw, a bracket screw, a screw, a spring and an adjusting handle, wherein the screw rod intersect into an X shape, the locking screw is arranged at the middle parts of the screw rods, the adjusting handle is connected with the lower ends of the screw rods through the bracket screw and the screw, and the spring is arranged on the adjusting handle. The belt adjuster is simple in structure, easy to manufacture, and can be used for adjusting the belt of the spin dryer more conveniently in a time-saving and labor-saving manner; and therefore, the belt adjuster is very practical.

The invention discloses an adjustable cupboard which comprises a cupboard body; a cupboard top plate is arranged on the upper portion of the cupboard body; a cupboard bottom plate is arranged on the lower portion of the cupboard body; a cupboard partition plate is arranged on the inner side of the cupboard body; guide rail sliding grooves are symmetrically formed in the positions, close to the four corners, of the outer side of the cupboard partition plate; a fixed block containing groove is formed in the middle of the upper portion of the cupboard partition plate; partition plate guide rails are symmetrically and fixedly connected to the opposite side faces of the cupboard top plate and the cupboard bottom plate; a screw rod fixed block is fixedly connected to the middle of the lower portion of the cupboard top plate; an adjusting screw rod is in threaded connection with the interior of the screw rod fixed block; one end of the adjusting screw rod penetrates through the cupboard body to be fixedly connected with a first hand wheel; and a first positioning ring is fixedly connected to the outer side face, close to the first hand wheel, of the adjusting screw rod. Through the designed internal adjustable partition plate, the size of the internal space of the cupboard can be changed at will, so that the adaptability to article storage is improved, and adjustment is convenient and labor-saving.

The invention discloses a landscape seedling raising device capable of raising seedlings of multiple tree species simultaneously. The device comprises a device bottom base, a device middle base, a drainage base and a cultivation box. A set of electric oil cylinders are arranged on the upper portion of the device bottom base, the electric oil cylinders are connected with the device middle base, the drainage base is arranged on the upper portion of the device middle base, drainage tanks are arranged in the middle of the drainage base, the drainage base is externally provided with a wiring base, a set of middle partition boards are arranged in the middle of the cultivation box, an installation frame is arranged in the center of the cultivation box, supporting plates are arranged on the two sides of the bottom of each middle partition board respectively, cultivation plates are arranged on the supporting plates, the cultivation box is internally provided with a set of thermometers and a set of fan type constant-temperature heaters, and a carbon dioxide generator is arranged on the installation frame. The landscape seedling raising device capable of raising the seedlings of the tree species simultaneously is convenient to move, is of an assembly structure, can be transported in a detachable mode, can conduct cultivation of various saplings at the same time, also has a good display effect, can serve as a landscape, and has a good decorative effect.

The invention discloses a compressing device for a counterweight filler of an elevator. The compressing device comprises a frame and a compressing plate, wherein the frame is provided with a left vertical beam and a right vertical beam; the compressing plate is used for compressing the counterweight filler; the left vertical beam and the right vertical beam are respectively provided with a front side wall and a rear side wall; the compressing device is characterized by further comprising left and right fixing components; the left and right fixing components are respectively mounted on the left vertical beam and the right vertical beam in a form of being vertically movable and adjustable; a compressing component is in threaded connection with each fixing component; the compressing components are used for applying a compressing force to the compressing plate; a plurality of mounting holes which are distributed up and down are respectively formed in the left vertical beam and the right vertical beam; the left and right fixing components are arranged in tandem. Compared with the prior art, the compressing device for the counterweight filler of the elevator has the advantages that the design is smart, the structure is simple, the adopted materials are fewer, a stable compressing function is achieved during the process of increasing or reducing the quantity of the counterweight filler and the adjusting operation is convenient and labor-saving.

The invention relates to a foldable shifting chair. The shifting chair comprises an underframe and a plurality of rollers arranged at the bottom of the underframe, a left upright rod and a right upright rod are arranged above one end of the underframe, a cushion frame and a backrest frame are sequentially arranged above the underframe from bottom to top, the cushion frame comprises a left cushionframe and a right cushion frame which are separated from each other, the front end of the left cushion frame is pivoted with the left upright rod, the front end of the right cushion frame is pivoted with the right upright rod, the rear end of the left cushion frame and the rear end of the right cushion frame are mutually enclosed and locked by a cushion frame locking mechanism, the inner side of the left cushion frame and inner side of the right cushion frame are each provided with a cushion, the backrest frame comprises a left backrest frame and a right backrest frame which are separated fromeach other, the front end of the left backrest frame is pivoted with the left vertical rod, the front end of the right backrest frame is pivoted with the right vertical rod, and the rear end of the left backrest frame and the rear end of the right backrest frame are mutually enclosed and locked by a backrest frame locking mechanism. The shifting chair is convenient to adjust, can be contracted and folded, and reduces space occupation.

The invention discloses a fertilizer applicator with adjustable fertilizer application amount. The fertilizer applicator comprises a rotating shaft, a disc and an annular piece, wherein the disc is provided with a plurality of arc-shaped holes in an annular array, the disc is arranged in an inner ring of the annular piece, the outer wall of the annular piece penetrates through the inner wall of the annular piece and is provided with a positioning groove, fertilizer containing boxes with openings in the tops are arranged in the positioning groove, the bottoms of the fertilizer containing boxes are connected with the arc-shaped holes through fasteners, one end of the rotating shaft penetrates through the axis of the disc, and the other end of the rotating shaft is connected with a power driving device. According to the fertilizer applicator, accurate fertilization amount can be obtained by simply measuring the distance between the bottom of the fertilizer containing box and the opening of the positioning groove, the fertilization precision is high, the purpose of equal-interval fertilization can be achieved through the arrangement of the plurality of fertilizer containing boxes and the plurality of arc-shaped holes, and the controllability of fertilizer application is higher.