35results about How to "Guaranteed direction of motion" patented technology

The invention discloses a straightening device for an electric cable wire used in the seabed. The straightening device for the electric cable wire used in the seabed comprises a work box, a material guiding machine and stretching vehicles, wherein a top part of the work box is provided with two symmetrical grooves, a first sliding rail is fixedly mounted on the top part of the work box, a machineframe seat is arranged inside the work box, an electric motor is fixedly mounted on a top part of the machine frame seat, and a rotating shaft is fixedly mounted on an output end of the electric motor; a first toothed wheel is fixedly mounted on an end, positioned away from the electric motor, of the rotating shaft; a second toothed wheel is connected to a right side of the first toothed wheel inan engaged manner; a fixed rod is sleeved in an inner ring of the second toothed wheel in a movable manner; an end, positioned far away from the second toothed wheel, of the fixed rod is connected with a back surface of an inner wall of the work box through a first bearing seat; through engagement between a first rotating wheel, a second rotating wheel and a third rotating wheel, two stretching vehicles on the top part of the work box are driven in an opposite direction so as to stretch the electric cable wire, the electric cable wire can be strengthened quickly, and no damage can be caused tothe electric cable wire.

The invention relates to the field of electrical connectors, in particular to a fireproof short-circuit electrical connector. The electrical connector comprises a shell component, more than two contact components are assembled in the shell component, each contact component comprises a contactor and a tail contact assembled in the shell component in tandem, a floating spring is mounted at the rear end of each contactor, each contactor in the initial state is in open-circuit with the corresponding tail contact, and shifting blocks used for shifting the contactors rearwards to enable the contactors to retract into corresponding mounting holes are further arranged on the shell component. When an aircraft is launched, each contactor and the corresponding tail contact are in open circuit, and short circuit of corresponding equipment cannot be caused; when the aircraft is assembled, the shifting blocks are shifted to enable the contactors to retract into the shell component so as to prevent the contactors from being damaged; after the aircraft is assembled, the shifting blocks are released. Thus, by the fireproof short-circuit electrical connector, the problem that contactors of an existing short-circuit electrical connector are in short circuit accidentally easily and damaged by the aircraft easily is solved.

The invention discloses a chemical beakerflask cleaning device. The chemical beakerflask cleaning device comprises a base, a hydraulic cylinder is arranged in the middle of the top of the base, the output end of the hydraulic cylinder is fixedly connected with a lifting platform, the right side of the top of the base is fixedly connected with a stand column, a guide sleeve is arranged on the standcolumn in a penetrating mode, the left end of the lifting platform is fixedly connected to the guide sleeve, a first vertical plate and a second vertical plate are symmetrically arranged at the top of the lifting platform, a cross beam is arranged at the top end of the stand column, a motor is installed at the top of the cross beam, the output end of the motor penetrates the cross beam, a rotating rod is connected to the end part of the output end, a hairbrush is uniformly arranged on the rotating rod, the hairbrush comprises a flask neck brush part and a flask wall brush part, and the lengthof the flask wall brush part increases sequentially from top to bottom. The motor drives the rotating rod to drive the hairbrush to rotate at a high speed, due to the fact that the length of the flask wall brush part of the hairbrush is gradually increased from top to bottom, the flask wall brush part exactly corresponds to the contour of the inner wall of a beakerflask, so that cleaning of the inner wall of the beakerflask is achieved.

The invention discloses a waste textile high-speed breaking device which comprises a machine body. A feeding port is formed in the top end of the machine body. A feeding hopper is installed at the topend of the feeding port. The bottom end of the feeding port is connected with a feeding cavity. The feeding cavity is formed in the top end of the interior of the machine body. A rough breaking mechanism is arranged in the feeding cavity, and a breaking cavity is formed below the feeding cavity. Fine breaking mechanisms are arranged in the breaking cavity, and a discharging cavity is formed belowthe breaking cavity. Multiple material blocking mechanisms which are distributed in a left-right symmetric manner are arranged between the breaking cavity and the discharging cavity. A discharging mechanism is arranged in the discharging cavity, and a discharging pipe is arranged at the right end of the machine body. The discharging pipe communicates with the discharging cavity. By means of the waste textile high-speed breaking device, the breaking effect on textiles is good, the breaking efficiency is high, the breaking and discharging processes can be automatically completed, and recyclingwork of waste textiles is better popularized.

The invention relates to an automobile child safety seat ISOFIX system, and belongs to the technical field of machines. The automobile child safety seat ISOFIX system comprises a limiting device, a releasing device, a linkage mechanism and an ISOFIX interface. The limiting device comprises a gear plate. The releasing device comprises a releasing part, a button, a locking block and a limiting part. The releasing part is installed in the limiting device, the button is inserted into the releasing part, a button reset spring is arranged between the button and the releasing part, the locking block is connected with the button through a connecting rod, one end of the linkage mechanism is connected with the releasing part, and the other end of the linkage mechanism is connected with the ISOFIX interface. The locking block is made of alloy steel, and the manufacturing technology of the locking block is specifically disclosed. The automobile child safety seat ISOFIX system is convenient to maintain and good in safety performance, the comprehensive performance of the locking block is good, and the service life of the whole system is prolonged.

The invention provides an automobile manual gear shifting device, and belongs to the technical field of automobiles. The automobile manual gear shifting device comprises a base, a cover ring mounted on the base, a rotating center ball mounted in the cover ring, an operation rod penetrating through the rotating center ball and a gear choosing arm, wherein one end of the gear choosing arm is connected with the base, and the other end of the gear choosing arm is connected with the rotating center ball. The base comprises a chassis and a base frame, and the chassis and the base frame form an operation inner cavity. A ball seat is arranged on the base frame, the ball seat is provided with a clamping bar and a first clamping groove, a second clamping groove is formed in the outer side wall of the cover ring, and the clamping bar can be clamped and embedded in the second clamping groove. A clamping block is further arranged on the outer side wall of the cover ring, and the clamping block can be clamped and embedded in the first clamping groove. A plurality of oil storage grooves are formed in the rotating center ball, a gear choosing arm connecting rod is mounted on the rotating center ball, and the operation rod is inserted on the base frame. The gear choosing arm and the gear choosing arm connecting rod are connected, and the gear choosing arm is connected with the base through a shaft. The automobile manual gear shifting device has the advantages of being high in safety performance and small in noise.

The present invention relates to vacuum molten steel casting technology, and is especially one kind of sliding mechanism for vacuum casting pouring basket and its operation process. The sliding mechanism includes sliding gate, hydraulic cylinder, link rod, lower sliding board with porous plug connected to the argon pipeline, protecting board connected to the pouring basket, sealing member set on the side wall of the pouring basket, and circular cooling pipe penetrating the side wall of the pouring basket. The operation process includes the steps of: blowing argon, pouring molten steel to the pouring basket, regulating argon pressure, pumping vacuum and opening the sliding gate for vacuum pouring. The present invention has the advantages of no plunger caused trouble, smooth running of the sliding member, long service life of the pouring basket and high internal quality of steel ingot.

The invention discloses a mounting structure for an aircraft built-in type engine and a shifting assembly method for the mounting structure. The mounting structure comprises a protective cover and an engine which is fixedly mounted in an inner cavity of the protective cover; an end surface mounting frame is arranged on the front part of the protective cover; an end surface connecting frame is arranged on the head of the engine; the two end surface connecting frames are connected in a tightly-fit mode through a first bolt assembly, so that the head of the engine is fixedly arranged in a front inner cavity of the protective cover; and a shaft section supporting frame is arranged on the rear part of the protective cover, the tail part of the engine is seated on the shaft section supporting frame, and a fastening hoop is arranged above the shaft section supporting frame, so that the tail part of the engine is tightly hooped in a rear inner cavity of the protective cover. The invention further provides a shifting assembly method for the mounting structure for the aircraft built-in type engine. According to the practice, the mounting structure is simple in structure, is convenient to operate and is high in reliability; and the shifting assembly method for the mounting structure can effectively realize quick, precise and stable assembly, under common facility conditions, of the aircraft built-in type engine.

The invention discloses an agricultural planting plowing device which comprises a mounting beam and main frameworks. The main frameworks are arranged on the left side and the right side of the mounting beam, connecting lug plates are further arranged on the mounting beam, mounting grooves are formed inside the main frameworks, hydraulic device bodies are arranged on the inner tops of the mounting grooves, piston rods are connected with output ends of the hydraulic device bodies, connecting sleeves are connected with the ends of the piston rods, a spindle is arranged between the connecting sleeves in a rotationally connected manner, guide wheels are further arranged on the spindle and are positioned in the mounting grooves, weld blocks are further arranged on the spindle and are annularly distributed on the spindle, and plowing reamers are arranged on the weld blocks. The agricultural planting plowing device has the advantages that the agricultural planting plowing device is novel and simple in structure and convenient to operate, and the movement direction can be guaranteed when the spindle is lifted; mechanical damage due to loosening can be prevented, and accordingly the service life of the agricultural planting plowing device can be prolonged; the weld blocks are annularly distributed on the spindle, and accordingly the agricultural planting plowing device is high in structural strength.

The invention discloses a tail end puncture mechanism for automatically fixing a radioactive particle puncture needle, and belongs to the field of medical instruments. The puncture movement mechanism is connected with the bottom plate, and the bottom plate is connected with the puncture needle automatic clamping mechanism, so that the puncture needle can be automatically tightened and loosened; a driven belt wheel is installed at the tail end of a clamping mechanism body in the automatic puncture needle clamping mechanism, the driven belt wheel is connected with a driving belt wheel through a synchronous belt, the driving belt wheel is installed on a rotating motor, the rotating motor is installed on a rotating motor support, the rotating motor support is installed on a bottom plate, and rotation of a puncture needle can be achieved. The inner needle driving mechanism is mounted on the floor, the inner needle driving motor controls the movement of the friction wheel through gear transmission, the friction wheel drives the inner needle to move, the structure can realize the reciprocating motion of the outer needle of the puncture needle at different speeds and the automatic tightening and loosening, and the reciprocating motion of the inner needle at different speeds, and radioactive particles can be accurately and reliably implanted into a focus part; therefore, the purpose of accurate treatment is achieved.

The invention discloses a wind direction stable spraying pelleting device which is provided with a pelleting tower. A taper bottom is arranged at the lower end of the pelleting tower, an air outlet is arranged at the lower end of the taper bottom, and a material discharge port is arranged on a lateral wall of the taper bottom. An air blowing port arranged at the lower end of the taper bottom is an air blowing port arranged at the upper end of an air cylinder, the air blowing port of the air cylinder is a ring of sawteeth which can be various shapes, and the sawteeth has better to be triangular teeth. The spraying pelleting device keeps wind to not disperse in a certain distance after blowing out from the air cylinder in a crystallization pelleting process, and avoids adhesion caused by direct contact between materials and a tower wall. The sawtooth-shaped teeth are evenly distributed along the circumferencial direction, even and equal triangular teeth enable blown wind to evenly disperse, and wind directions and angles are mutually symmetrical to achieve even pelleting. Waste of the materials in a pelleting process is avoided.

The invention discloses an aircraft built-in engine installation structure and a step-by-step assembly method thereof. The installation structure includes a protective cover and an engine fixedly installed in the inner cavity of the protective cover. The front part of the protective cover is provided with an end face mounting frame, and the head of the engine is provided with an end face connection frame. The two are closely connected through the first screw assembly. Connected to fix the head of the engine in the inner cavity of the front of the protective cover; a shaft segment support frame is provided at the rear of the protective cover; the tail of the engine is seated on the shaft segment support frame; a fastening clip is provided above the shaft segment support frame hoop, thereby tightly hooping the rear end of the engine in the rear inner cavity of the guard. The invention also provides a step-by-step assembly method of the aircraft built-in engine installation structure. Practice has proven that this installation structure is simple in structure, easy to operate, and highly reliable. Its step-by-step assembly method can effectively realize the rapid, accurate, and stable assembly of the aircraft's built-in moving engine under general facility conditions.

The invention discloses an automatic gum dipping system, which belongs to the technical field of bamboo production and processing, and aims to provide the automatic gum dipping system to solve the problem that the gum dipping efficiency of bamboo chips is low due to the fact that the gum dipping automation degree of the bamboo chips in the prior art is low. The automatic gum dipping system comprises a gum pool; gum is arranged in the gum pool; a feeding conveying chain is arranged on one side of the gum pool; a discharging conveying chain is arranged on the other side of the gum pool; a V-shaped gum dipping chain group is connected between the feeding conveying chain and the discharging conveying chain; the V-shaped gum dipping chain group is arranged in a V shape along the inclination direction of the gum pool; and the lowest point of the V-shaped gum dipping chain group is located in the gum pool; a motor is further arranged, and an output mechanism of the motor is in transmission connection with an input mechanism of the V-shaped gum dipping chain group. The invention is suitable for the automatic gum dipping system.

The invention relates to a pump shaft sealing structure with a wearing clearance compensation function and belongs to the field of modern fluid machines. The pump shaft sealing structure comprises a pump cover body, a screwing plug, a front connecting ring, a rear connecting ring, a static ring friction pair and a dynamic ring friction pair. The screwing plug is screwed into a liquid injection hole and then pressurizes hydraulic media that a liquid storage cavity is filled with so that the static ring friction pair can tightly forwards push the dynamic ring friction pair; and after a clearancebetween the contact surfaces of the static ring friction pair and the dynamic ring friction pair becomes large due to wearing, the screwing plug is screwed downwards continuously, the hydraulic mediathat the liquid storage cavity is filled with are pressurized again, and the friction clearance between the static ring friction pair and the dynamic ring friction pair is compensated. According to the pump shaft sealing structure, the sealing effect is good, wearing compensation adjusting is easy, during friction clearance compensation, surface contact is achieved between the hydraulic media andthe rear end of the static ring friction pair, the axially forward moving direction of the static ring friction pair is ensured, the reliability of mechanical sealing is improved, and the service life of a mechanical seal is prolonged.

The invention discloses a pneumatic vibration device of a sputum excretion machine. The pneumatic vibration device comprises a sealed air cavity, an air inlet and an air outlet, wherein the air inlet and the air outlet are formed in the sealed air cavity; the sealed air cavity comprises a cylindrical shell with openings in the two ends and rubber films connected to the two ends of the cylindrical shell in a sealed mode respectively, and a driving mechanism for driving the two rubber films to expand outwards or contract inwards to achieve expansion or contraction of the sealed air cavity is arranged in the cylindrical shell; the driving mechanism comprises a driving shaft connected with a servo motor and a crank assembly fixedly connected to the driving shaft, and the crank assembly is connected with the two rubber films. According to the pneumatic vibration device of the sputum excretion machine, the crank assembly drives the rubber film to expand or contract, and pneumatic vibration is achieved; due to the arrangement of the crank assembly, the size is small, the stroke is large, and miniaturization and vibration stroke maximization of the sputum excretion machine are facilitated.

The invention belongs to the technical field related to pipe material processing, and discloses a two-jaw chuck suitable for laser cutting equipment for thin-walled pipe fittings, including: a main shaft; The sliding base and the second sliding base are provided with protruding shafts; the first jaw jaw and the second jaw jaw are engaged with each other; the rear parts of the first jaw jaw and the second jaw jaw base are provided with recesses The grooves and grooves are equipped with spring pressure plates; the Archimedes plate includes two centrally symmetrical Archimedes spiral grooves, an avoidance groove and a round hole, and the two protruding shafts are respectively arranged in the Archimedes spiral grooves. Inside; the two ends of the telescopic cylinder are respectively rotated to connect one end of the pin shaft, the other end of the pin shaft is fixed in the round hole, and the pin shaft passes through the escape groove and is fixed on the main disk. The application can realize the compliant centering clamping of the pipe fittings, has good adaptability to the shape of the pipe material, and has precise positioning.

The invention discloses a detection device for batch detection of biological genes, which comprises a detection table, a support frame is fixedly connected to the bottom of the detection table, a mounting plate is symmetrically fixed on the top of the detection table, a mounting frame is detachably connected to the top of the detection table, and a mounting frame is installed at the bottom of the mounting frame. There is a detection head; a movable rod is arranged symmetrically on the top of the detection table, and a conveying rod is arranged on the top of the detecting table, and the conveying rod is located between two symmetrically arranged movable rods. There is a conveying groove on the top of the conveying rod, and symmetrically Clamping groove, and the clamping groove is connected with the conveying groove, one side of the movable rod is equidistantly fixed with a limit rod, and the limit rod is matched with the clamping groove, the present invention uses a push rod motor, a push plate, a fixed rod and a limit rod With the mutual cooperation of the rods, the gene detection sheet can be transported with a specified length, which is convenient for the detection head to detect the gene detection sheet, saving time and improving work efficiency.

The invention belongs to the technical field of building curtain walls, and provides an exposed framing glass curtain wall convenient for disassembling and assembling glass. The exposed framing glass curtain wall convenient for disassembling and assembling glass comprises an aluminum alloy window frame and an L-shaped connecting rod, an inner frame of the aluminum alloy window frame is provided with a barrier strip and a mounting groove, one side of the glass is attached to the barrier strip, a fixing mechanism is mounted in the mounting groove, and a clamping groove for fixing the glass is formed between the fixing mechanism and the barrier strip. The fixing mechanism comprises a first spring and a barrier block, the long edge of the L-shaped connecting rod is connected with the barrier strip through a control mechanism, and the end of the short edge of the L-shaped connecting rod is matched with a groove. According to the exposed framing glass curtain wall convenient for disassembling and assembling glass, the glass is attached to the aluminum alloy window frame, the barrier block slides out of the mounting groove under elastic force action of the first spring through pressure of the glass on the L-shaped connecting rod, the glass is mounted and fixed, the barrier block is pressed and compressed back to the mounting groove through external force, and then the glass can be disassembled. According to the exposed framing glass curtain wall convenient for disassembling and assembling glass, traditional gluing fixation is avoided, and the influence of severe weather on the sealing effect and firmness of the curtain wall glass is avoided.

The invention discloses a venting ball eye drawing device based on toy manufacturing and relates to the technical field of toy manufacturing, thereby solving e problems that a currently used drawing mode is relatively tedious, has relatively high operation requirements on workers, needs to be completed through multiple steps, consumes relatively high time, has relatively great limitation on working efficiency and is not beneficial to efficient production. The invention relates to a toy-manufacturing-based catharsis ball painting eye device, which comprises a machine table, a graffiti mechanismis fixedly arranged at the top of the machine table through bolts; an arc-shaped groove is fixedly formed in the front side of the top of the graffiti mechanism through a bolt; a feeding mechanism isfixedly arranged at the top of the outer end of the machine table through bolts. By arranging the crank and the driving rod, continuous reciprocating motion can be conducted according to the crank and rocker principle, the rotating plate rotates by 0-90 degrees, and in cooperation with the ink dipping groove, the overall material dipping action and feeding action can be completed.

The invention relates to an experimental device for impact wear between heat exchange tubes. The experimental device comprises a fixing mechanism, a supplementing device and a power assembly, wherein the fixing mechanism comprises a fixing bottom plate, and the fixing bottom plate is used for fixing the clamping assembly and the supplementing device; the feeding device is arranged at the upper end of the fixed bottom plate; the power assembly is connected with the clamping assembly. The device is simple in structure and ingenious in design, the positioning holes are formed in the fixed bottom plate, the mounting position of the supplementing device can be flexibly changed according to experimental conditions, and the fine adjustment assembly is matched to supplement displacement of the second sliding block, so that it is guaranteed that the heat exchange tubes are tightly attached during impact, and a certain impact load is achieved.

The invention relates to a swinging bead threading machine which comprises a rack, a base, a hopper, an arrangement mechanism, a bead feeding device and a bead threading steel wire, wherein the rack is arranged on the base; the hopper is communicated with the bead feeding device; the bead feeding device is obliquely arranged on the rear part of the rack; the arrangement mechanism is arranged on the front part of the rack; the bead feeding device comprises a supporting plate, an upper pressing plate and a power device; multiple bead feeding grooves are uniformly formed below the supporting plate; the upper pressing plate is arranged above the supporting plate in a sealed mode; the power device is arranged below the supporting plate; the upper pressing plate is step-shaped, and a bead feeding cavity is formed between the upper part of the upper pressing plate and the upper part of the supporting plate; a frame and a slide block are arranged below the supporting plate; a sliding rail is arranged on the base; the power device comprises a motor and an eccentric wheel; the eccentric wheel is mounted on the motor, arranged inside the frame and contacted with two sides of the frame; the bead threading steel wire is arranged in the bead feeding grooves; and the arrangement mechanism is composed of more than two bead arrangement rolling rods arranged in parallel. The swinging bead threading machines disclosed by the invention is easy to operate and high in working efficiency.

The hemostasis compressor comprises a device body, the device body comprises a fixing plate and fixing belts arranged at the two ends of the fixing plate, the fixing belts and the fixing plate form a closed structure, a first sleeve is fixed to the bottom of the fixing plate, and a first sliding rod is arranged at the first sleeve in a sliding and sleeving mode; a first pressing block is fixed to the bottom of the first sliding rod, a first spring is arranged between the first sliding rod and the first sleeve, the first pressing block is of a hollow structure, a first through hole is formed in the bottom of the first pressing block, a sliding block is arranged in the first pressing block in a sliding mode, and a second pressing block is arranged at the bottom of the sliding block; the position and the shape of the second pressing block are matched with the position and the shape of the first through hole. The invention relates to the technical field of cardiology. The device has the effects of improving the comfort level of a patient and ensuring the hemostasis effect of the device.

The invention discloses a synchronous reciprocating mechanism for a ball screw and guide rail experiment and a testing device. The reciprocating mechanism comprises a driving motor, a workbench, a synchronous belt transmission mechanism, an upper-layer guide mechanism, a lower-layer guide mechanism, a connecting piece and a guide piece. The synchronous belt transmission mechanism is arranged at the upper end of the workbench. A driving motor rotating shaft is connected with the synchronous belt transmission mechanism; a guide piece is fixed on the outer side of the synchronous belt transmission mechanism; the guide piece is connected with the upper-layer guide mechanism; and the two ends of the upper-layer guide mechanism are each connected with a connecting piece, and each connecting piece is connected with a lower-layer guide mechanism. The upper-layer guide mechanism converts the one-way rotary motion of the driving motor into the reciprocating motion of the connecting piece; the lower-layer guide mechanism is used for bearing unbalance loading torque so as to ensure the movement direction of the connecting piece; the upper end and the lower end of the connecting piece are respectively connected with the test lead screw and the test guide rail; and two sets of test equipment are driven by a single motor, so that an accurate control group can be realized.

A radar detection device for an automobile comprises a sleeve which is open on one side. Two guiding sleeves are fixedly mounted on the upper and lower inner walls of the opening of the sleeve respectively, every two guiding sleeves located at the same horizontal plane is distributed back and forth, a horizontal first connecting rod is arranged in each guiding sleeve in a matched mode, the first connecting rods located at the same horizontal plane are parallel to each other, one end of each of the first connecting rods is fixedly connected to one end of a first spring, and the other ends of the two first springs located at the same horizontal plane are fixedly connected through a curved elastic piece. The device avoids damage to a probe in the case of a slight collision, protects the probe, increases the service life of the probe, reduces the replacement of the probe, reduces the cost, and brings convenience to a user. The guiding sleeve is coupled with the first connecting rod to ensure the moving direction of the first connecting rod, so that the movement of the first connecting rod is smoother and the mobility of the first connecting rod is improved.

The invention discloses detection equipment for batch detection of biological genes. The detection equipment comprises a detection table, a supporting frame is fixedly connected to the bottom of the detection table, mounting plates are symmetrically fixed to the top of the detection table, a mounting frame is detachably connected to the top of the detection table, and a detection head is mounted at the bottom of the mounting frame. Movable rods are symmetrically arranged at the top of the detection table, a conveying rod is arranged at the top of the detection table and located between the two symmetrically-arranged movable rods, a conveying groove is formed in the top of the conveying rod, clamping grooves are symmetrically formed in the two sides of the conveying rod, the clamping grooves are connected with the conveying groove, limiting rods are fixed to one sides of the movable rods at equal intervals, and the limiting rods are matched with the clamping grooves. Under the mutual cooperation of a push rod motor, a push plate, a fixed rod and the limiting rods, a gene detection piece is transported in a specified length, the gene detection piece can be conveniently detected by the detection head, the time is saved, and the working efficiency is improved.

The invention discloses a distribution box. The distribution box comprises a bottom shell and an upper cover, wherein a plurality of hinge guide sleeves are arranged on inner walls of two sides of the bottom shell; hinges are respectively arranged in the hinge guide sleeves on one side of the bottom shell; the hinges can slide in the corresponding hinge guide sleeves in the up-down direction; a limiting device is arranged in each hinge guide sleeve and is used for limiting the maximum stroke of the corresponding hinge sliding in the corresponding hinge guide sleeve; and the bottom shell and the upper cover are connected with each other through the hinges arranged in the hinge guide sleeves. The distribution box is flexible in opening and closing direction and convenient to machine.

The invention provides pressure-adjustable charging and discharging equipment for testing batteries in a diversified mode, the pressure-adjustable charging and discharging equipment comprises charging and discharging equipment body, a clamp pressing assembly, a tray assembly and a pressure control and adjustment device, the clamp pressing assembly is arranged in the charging and discharging equipment body, and the tray assembly is arranged on the clamp pressing assembly. One side of the clamp pressing assembly is provided with a pressure control adjusting device, and the charging and discharging equipment body comprises a shell, a power-on switch, a charging and discharging combination unit, a start button and a stop button.The pressure-adjustable charging and discharging equipment has the advantages of being simple in structure, small in size, small in occupied space and capable of meeting the testing requirement for producing and being compatible with different types of batteries. And the battery is not easy to deform when being pressed, so that the function of the testing all-in-one machine is realized.

The invention provides a parking handle, a braking system and an automobile. The parking handle comprises a handheld part, a pushing rod, an elastic part, a guide groove block and a pulling line, wherein a storing space is formed in the handheld part; an opening which communicates with the storing space is formed in the handheld part; the pushing rod is arranged in the storing space; one end of the pushing rod is connected to the sidewall of the storing space, and the other end of the pushing rod is provided with a button which is positioned at the opening and extends out of the opening; a chute is formed in the sidewall of the storing space and is glidingly connected to the pushing rod; the elastic part sleeves one end, far away from the button, of the pushing rod; one end of the elasticpart is connected to the pushing rod, and the other end of the elastic part is connected to the sidewall of the storing space; the guide groove block is arranged at the lower part of the pushing rod;a pulling wire guide groove is formed in one surface, close to the pushing rod, of the guide groove block; one end of the pulling line wire is connected to the pushing rod; and the pulling wire runs through the pulling wire guide groove. According to the parking handle, the pushing rod is high in guiding performance under the effect of the chute and cannot rotate.