99results about How to "Structure labor saving" patented technology

An energy accumulated stapler is composed of base, upper cover, staple slot, staple driving plate, elastic staple pusher in said staple slot, the staple plate and bottom spring on said base, a box hinged on base, and such unit in said box as lever, energy-accumulating spring unit and open-close plate. Its advantage is to save labor.

The invention discloses a broken rope protective device of an upright lift gate. The broken rope protective device comprises a bearing shaft, one end of the bearing shaft is connected with the upright lift gate, and the other end is equipped with a mounting substrate, two surfaces of the mounting substrate are respectively equipped with a broken rope triggering mechanism and a track clamping executive mechanism. The invention adopts a bearing shaft as a protected object to connect with the device, the gravity of the lift gate is used for braking, and the spring force is mainly used for triggering the broken rope; and therefore, the braking force is in proportion to the gravity of the lift gate directly, that is, the heavier the lift gate is, the greater the braking force is. The broken rope protective device is reliable in braking, and compact in structure. By adopting a pair of lever mechanisms in the broken rope triggering mechanism in the invention, the broken rope protective device is flexible in action and reliable. A rack mechanism and a gear mechanism are applied to the track clamping executive mechanism to convert the linear motion into the rotary motion; and the clamping force is amplified by using a method for reducing a clamping cam force arm, so that the broken rope protective device has a compact structure, and high action reliability.

The invention discloses a landscaping portable tree smearing device and relates to the technical field of landscaping tools. The device comprises a crowding mechanism and a smearing mechanism, whereina first feed inlet is formed in one end of the crowding mechanism; the smearing mechanism communicates with the first feed inlet and comprises a rubber hose, a smearing shell and steel balls; a rightend port in the middle of the rubber hose communicates with the first feed inlet, and a second feed inlet is formed in the end, back on to the crowding mechanism, of the rubber hose; and the smearingshell communicates with the second feed inlet and is provide with the steel balls, and the steel balls enable the interior and the exterior of the smearing shell to communicate and make extruded contact with a tree trunk to perform smearing. The landscaping portable tree smearing device is simple in structure, labor is saved, coating wasting is avoided, the situation that coating splashes on thetree trunk, the attractiveness is affected, and dead angles of bark fail to be smeared is avoided, and furthermore, the smearing mechanism can be adjusted so as to adapt to the size of a tree and to be attached to the tree.

The invention relates to a telescopic mechanism of a telescopic coupler and buffer device for a high-speed motor train unit. The telescopic mechanism comprises a pressed rod which is positioned at one end in a movable shell of the coupler and buffer device and connected with the movable shell, and a bearing joint sleeved on the pressed rod, wherein a guide cylinder is fixedly arranged outside the bearing joint; a telescopic driving mechanism is arranged between the guide cylinder and the movable shell; one end of the pressed rod is connected with the movable shell through a torsion spring; the pressed rod and the bearing joint are locked; a locking mechanism comprises convex heads which are positioned at the other end of the pressed rod and distributed at intervals, and grooves which are positioned on the inner wall of the bearing joint and fitted with the convex heads; when the convex heads are opposite to the grooves, the pressed rod and the bearing joint are unlocked and can relatively slide; and an unlocking driving mechanism is arranged outside the movable shell. The corresponding parts are arranged in the movable shell, so the occupied space is small, and the corresponding parts are well protected; meanwhile, the telescopic mechanism and the locking mechanism have relatively simple structures, are labor-saving and high in action reliability and can bear a high longitudinal load, and the impact energy absorption capacity of a buffer system is relatively high. After the telescopic mechanism is applied, the telescopic coupler and buffer device can be localized and completely replaces imported products.

The invention discloses a device for automatically cleaning and transporting feces from a sheep house, comprising a sheep house, a manure collection tank arranged at the bottom of the sheep house, and a gathering device provided at the bottom of the manure collection tank, and is characterized in that: the outside of the manure collection tank is provided with There is a track groove on the manure falling port. The height of the track groove is higher than the bottom surface of the septic tank. There are stoppers on the side of the track groove. Under the action of the gathering device, the feces are gathered and scraped to the falling At the manure outlet, the feces fall from the manure outlet, and the lower side of the manure outlet is provided with a manure receiving belt corresponding to the manure outlet. One end of the manure conveying belt is connected to the manure belt through the manure cleaning board, and the other end is passed through another The manure cleaning board is connected to the manure collecting tank, and then the manure is transported into the manure collecting tank. The manure collected and scraped by the device does not need to be cleaned manually, and is automatically transported to the manure collecting tank or other manure collecting equipment, avoiding manual shoveling The high-intensity work of manure and manure pulling effectively reduces the cost of breeding.

The invention relates to a connection mechanism for testing treatment tool and machine station, comprising treatment tool box, of which at the top testing circuit board can be set; and testing machine station, in which testing instrument can be set. Slipping devices are set at two facing positions at the bottom of treatment tool box so that the treatment tool box can move and locate on the bearing platform at the top of testing machine station quickly and easily. After the treatment tool box locates, there are multiple holding devices on the bearing platform to hold clamping device pivoted at two facing walls in the treatment tool box so that the clamping device can generate rotary displacement and unlocking status is formed. But the connection module can deviate from the clamping device and extend through the port at the bottom of treatment tool box. It is connected with the interlaying module set on the bearing platform in depression. Here the treatment tool box is connected with the testing machine station in current. So testing instrument in testing machine station can test the circuit board at the top of treatment tool box so that assembling time for testing circuit board is decreased greatly, it is favor of changing treatment tool boxes with different specification quickly. The invention has labor saving mechanism and so only one man is need to install easily.

The invention discloses a cervical vertebra rehabilitation physiotherapy device which comprises a base, an upright column, a seat and a group of balancing weights. The upright column is fixed onto thebase, the seat is slidably arranged on the base and is positioned on one side of the upright column, the group of balancing weights is arranged on the base in a stacked manner and is positioned on the other side of the upright column, a hang rod is penetratingly arranged between the group of balancing weights, a pulley is arranged at the upper end of the hang rod, an adjusting upright column is inserted in the upper end of the upright column, a hinge pin seat is arranged on the top of the adjusting upright column, a lever is hinged onto the hinge pin seat, a neck sleeve hinge pin seat is arranged at one end of the lever, a traction rope fixing seat is arranged at the other end of the lever, another traction rope fixing seat is arranged on the upright column, a neck sleeve is suspended onthe neck sleeve hinge pin seat at the end of the lever, one end of a traction rope is connected onto the traction rope fixing seat at the other end of the lever, and the other end of the traction ropedownwardly penetrates the other traction rope fixing seat, is wound through the pulley and then is upwardly connected with the other traction rope fixing seat. The cervical vertebra rehabilitation physiotherapy device has the advantages that the cervical vertebra rehabilitation physiotherapy device is simple in structure and easy to operate and use; labor can be saved when the cervical vertebra rehabilitation physiotherapy device is operated, the tensile strength on the neck sleeve can be cushioned, accordingly, the necks of patients can be prevented from being injured, and progressively enhanced traction effects can be realized by the cervical vertebra rehabilitation physiotherapy device; the cervical vertebra rehabilitation physiotherapy device is convenient to adjust and is excellent in comfort during traction.

The invention belongs to the technical field of steel bar hoop bending equipment, and particularly relates to a hoop bending machine. The hoop bending machine comprises a machine frame. The machine frame is provided with a drawing mechanism, two straightening mechanisms, a bending mechanism and a shearing mechanism. The straightening mechanisms comprise the front-back straightening mechanism and the top-bottom straightening mechanism, the front-back straightening mechanism and the top-bottom straightening mechanism are arranged on the two sides of the drawing mechanism respectively, and a pay-off rack is arranged in front of the front-back straightening mechanism. The drawing mechanism comprises a pressing wheel set, a drawing wheel set and supports, wherein the pressing wheel set and the drawing wheel set are arranged in parallel in the vertical direction in a matched mode, the end, where a driving drawing wheel of the drawing wheel set is located, of a drawing input shaft is connected with a synchronous belt drive mechanism, and a pressing mechanism is arranged corresponding to each pressing wheel. The bending mechanism comprises a case, a main shaft and a bending shaft, the main shaft is arranged in the case and connected to the synchronous belt drive mechanism, a central shaft is installed at one end of the main shaft, a bending sleeve is arranged between the main shaft and the case in a sleeving mode, and the bending shaft is arranged on the side, close to the central shaft, of the bending sleeve. The hoop bending machine is high in automation degree, high in response speed of high speed start and stop and forward and reverse rotation, short in machining cycle and low in cost.

The invention provides a gripping-shearing-grabbing multi-functional engineering accessory applying a single-degree-of-freedom deformation mechanism. The gripping-shearing-grabbing multi-functional engineering accessory is of a symmetric structure, and comprises a gripping-shearing device, a holding-grabbing device and a separation-deformation device, and further comprises two hydraulic cylinders,a base, two separation bases, a driving hydraulic cylinder, hydraulic scissors, holding-grabbing connecting rods, holding-grabbing claws, separation connecting rods, base guiding rods, base sliding blocks, separation sliding blocks, first connecting rods, second connecting rods and separation sliding block rail grooves. The gripping-shearing-grabbing multi-functional engineering accessory provided by the invention has the beneficial effects that by utilization of a double-sliding-block mechanism, the relative movement between the holding-grabbing device and the gripping-shearing device is achieved; the switchover from the gripping-shearing device to holding-grabbing device is quickly completed; furthermore, the working requirements are met in all the working states; and no motion interference is caused.

The invention relates to a furniture damping overturning opening and closing adjusting mechanism which comprises an overturning device. The overturning device comprises a pushing element, a connecting arm assembly and a fixing element; the pushing element is hinged to the fixing element through the connecting arm assembly, a damping assembly is arranged between the pushing element and the fixing element and comprises a level element and a damper, the damper is arranged on the fixing element, and the lever element is rotationally arranged on the fixing element; the two ends of the lever element act with the damper and the pushing element at least when the pushing element is overturned and closed by a section of stroke; the pushing element acts on the damper through the lever element at least when overturned and closed by the section of stroke, the damper is compressed and generates buffer force, and therefore the pushing element is overturned and closed to the fixing element in a damping manner; and an adjusting assembly is arranged on the lever element, the force arm, acting on the damper and / or the pushing element, of the lever element changes through the adjusting assembly by means of tools or manual actions, and therefore the buffer force of the damper is adjusted.

The invention discloses a pistol-type circumcise anastomat with an improved staple cartridge protective cap. The pistol-type circumcise anastomat comprises a pistol body and a pistol drive mechanism, wherein the pistol body is composed of a tube-shaped body part, a main shell boy and a handle part, a plurality of reinforcing ribs are arranged on the inner surface of a fixing barrel of the staple cartridge protective cap, distributed at intervals along the circumferential direction of the fixing barrel, and are parallel to the axis of the fixing barrel, one ends of the reinforcing ribs are connected with an annular bulge, the other ends of the reinforcing ribs are connected with an annular baffle plate, when the fixing barrel sleeves the periphery of the end part of a ring body of a staple cartridge ring, the annular bulge enables the sleeving to be very firm, and the plurality of reinforcing ribs enable the fixing barrel to be firmer and durable. Due to the adoption of the non-closed structural form, the annular baffle plates have certain toughness, so as to be protected from being damaged when the fixing barrel deforms.

The invention relates to a lighter which lights through friction between an ignition wheel and a firestone. The lighter comprises a shell, a head frame, a wind shield cover, an air outlet needle, a protruding rod, an ignition wheel assembly, the firestone, a button, a gear block and a return spring, wherein the ignition wheel assembly comprises a rotating shaft, and the ignition wheel, a transmission elastic sheet and an edge wheel which are sleeved on the rotating shaft; the transmission elastic sheet is arranged between the ignition wheel and the edge wheel; the transmission elastic sheet, the ignition wheel and the rotating shaft are in transmission fit with one another; the edge wheel and the rotating shaft are in running fit with each other; the side face of the edge wheel facing the transmission elastic sheet is provided with a plurality of connecting teeth around an axle hole of the edge wheel; the plurality of connecting teeth are arranged around the axle hole in a circle shape; and each connecting tooth is provided with a hooking surface and a sloping surface. The lighter has a simple and reasonable structural design; the transmission elastic sheet is added between the edge wheel and the ignition wheel, so that the problems that the lighter cannot perform transmission reliably during lighting, the side wheel cannot be quickly reset during extinguishing, and the like are well solved; and the structure of the lighter is greatly simplified, so that the lighter is labor-saving during the lighting.

The invention belongs to the technical field of oil drilling machine equipment and particularly relates to a drilling tool conveying device. The drilling tool conveying device comprises a translation device provided with a clamping part, a drilling tool can be movably installed by the clamping part, the translation device drives the clamping part to move horizontally and rotate in a vertical plane, and the drilling tool is driven to rotate horizontally along with the clamping part and rotate in the vertical plane simultaneously, so that the conveying of the drilling tool in an oil drilling process is completed. The drilling tool conveying device is simple in structure, high in automation degree, efficiency and safety in the drilling tool conveying process and widely applicable to conveying of different drilling tools on drilling machines with multiple models.

The invention discloses a pistol type circumcision anastomat with a safety buckle. The pistol type circumcision anastomat comprises a glans seat, a regulating rod, a regulating handle, a cylindrical cutter, a suturing nail jacking-out cylinder, a hollow jacking rod, a nail cabin ring and suturing nails, wherein the suturing nails are arranged in the nail cabin ring; the cylindrical cutter is sleeved in the suturing nail jacking-out cylinder in a coaxially installing mode; the pistol type circumcision anastomat also comprises a pistol body and a trigger transmission mechanism; the pistol body consists of a tubular body part, a main casing part and a handle part; and the trigger transmission mechanism comprises a trigger, a transmission element, a transmission arm, a swinging arm, a slide block and a reset spring. The trigger transmission mechanism is particularly designed to be matched with a horizontal position limiting plate arranged in the pistol body, so that great labor is saved in the operation process; and the moving displacement amount of the suturing nail jacking-out cylinder is precise, so that the circumcision anastomat and suturing success ratio is improved.

The invention discloses a bottle cap. The bottle cap comprises a main cap 1 and an auxiliary cap 2, wherein one or more auxiliary caps 2 are arranged, the main cap 1 and the auxiliary cap 2 are detachably or integrally connected, an opening piece 3 which is integrated with the main cap 1 is arranged on the main cap 1, an impact end 4 is arranged on the auxiliary cap 2, an impacted end 31 is arranged on the opening piece 3, and petal-shaped bodies or strip-shaped bodies are arranged at the upper end or the lower end of the opening piece 3. According to the technical scheme, the structure is very suitable for manufacturing of molds and high-speed production of products, bottle cap opening is simple and labor-saving, liquid can be used without contacting the liquid flowing area in the main cap, the use process is simple and convenient, and the cost is low; and compared with original products, the cost is not increased, and the bottle cap is more sanitary and convenient in use and more suitable for life use.

The invention discloses a pistol-type circumcision anastomat with a safety catch; the circumcision anastomat comprises a glans penis base, a regulating rod, a regulating handle, a cylindrical knife, a suturing nail ejecting drum, a hollow ejector rod, a nail cartridge ring and suturing nails arranged inside the nail cartridge ring, wherein the cylindrical knife is sleeved inside the suturing nail ejecting drum in a mode of mounting coaxially; the circumcision anastomat further comprises a pistol body and a trigger transmission mechanism; the pistol body is composed of a tubular body part, a main shell part and a handle part; the trigger transmission mechanism is composed of a trigger, a transmission piece, a transmission arm, a swing arm, a sliding block and a reset spring; the safety catch is arranged on the trigger; and the safety catch comprises a hinge shaft, a supporting rod, a button, a sliding block, a reset spring and a guide groove. The circumcision anastomat disclosed by the invention, by adding the safety catch and by designing the safety catch, is safer and more convenient in operation, and the circumcision anastomat fully manifests the design concept of being user-friendly.

The invention relates to a battery case of an electric bicycle; key points of the battery case are as follows: the battery case comprises a case body, a case cover, a handle and a locking device, wherein the case body, the case cover and the handle are injected and molded to form an integral body. The case body comprises a baseplate, a side frame part of the case body, a main beam blocking shell and a case cover fixing column. An inserting and limiting part is arranged at the front side of the case body. The case cover comprises a cover plate part, a supporting part, a bolt column and a handle base part. The supporting part is arranged at the front part of the case cover. The handle base part is arranged at the back of the cover plate part. The handle is rotatably connected on the handle base part of the case cover. The case cover is detachably fixed on the case body. The locking device comprises a lock which is fixedly arranged at the back of the case cover; and a spring bolt of the lock can be used for locking the battery case of the electric bicycle on the corresponding electric bicycle. When being arranged or dismantled, the battery case of the electric bicycle of the invention rotatably moves by using the supporting part as a supporting point, thereby more labor is saved and the dismantling and installation are convenient.

The invention discloses a tidal power generation device with a lifting function. The tidal power generation device comprises a base. The top of the base is fixedly connected with a main rod. An extending rod is arranged in the main rod in a penetrating manner. The top end of the extending rod is fixedly connected with a transverse plate, and the bottom end of the extending rod is fixedly connectedwith a first clamp block. The interior of the first clamp block is rotationally connected with a moving pulley. The right side of the outer wall of the main rod is fixedly connected with a motor box.The bottom of the inner wall of the motor box is fixedly connected with a motor through a supporting block. The outer surface of an output shaft of the motor is fixedly connected with a reel. A through hole is formed in the position, on the right side of the main rod, located in the motor box. The bottom of the through hole is fixedly connected with a second clamp block. The interior of the second clamp block is rotationally connected with a fixed pulley. The invention relates to the technical field of new energy. According to the tidal power generation device with the lifting function, by means of the pulley structure, more labor is saved during operation, water flow can be utilized to the maximum degree through lifting, and the conversion efficiency can be improved.

The invention discloses a single-line and double-line interchange assembly line, and belongs to the technical field of light industrial product assembly line production equipment. The single-line and double-line interchange assembly line comprises a machine frame, a first turnover basket beat type conveying mechanism, a second turnover basket beat type conveying mechanism, a first turnover basket operation driving mechanism and a second turnover basket operation driving mechanism; the first turnover basket beat type conveying mechanism and the second turnover basket beat type conveying mechanism correspond to each other up and down and are arranged on the machine frame in the state that the first turnover basket beat type conveying mechanism and the second turnover basket beat type conveying mechanism are respectively kept horizontal; the first turnover basket operation driving mechanism is arranged at the left end of the machine frame, the left end of the first turnover basket beat type conveying mechanism is connected with the first turnover basket operation driving mechanism, and the left end of the second turnover basket beat type conveying mechanism is arranged on the first turnover basket operation driving mechanism in a sleeving mode; and the second turnover basket operation driving mechanism is arranged at the right end of the machine frame, the right end of the second turnover basket beat type conveying mechanism is connected with the second turnover basket operation driving mechanism, and the second turnover basket operation driving mechanism is sleeved with the right end of the first turnover basket beat type conveying mechanism. Electric energy is saved; workpieces can be conveniently taken and placed, and operation is labor-saving; the workpieces are prevented from falling off; and the structure is simplified, and daily maintenance workload is reduced.

The invention discloses a gun type circumcision anastomat provided with an improved cylindrical knife. The gun type circumcision anastomat comprises a gun body and a trigger transmission mechanism, wherein the gun body comprises a tubular body part, a main casing part and a handle part, a suturing nail comprises rod-shaped nail feet and a nail beam, a nail body separation-assisted plate is arranged on the nail beam, and the side surface of the nail body separation-assisted plate is butted with the upper side surface or the lower side surface of the nail beam; an end cap is arranged at one end of a cylinder, and four fixing holes are uniformly formed in the end cap and located in the periphery of a central through hole and are used for fixation on four fixing columns in a necking end of a suturing nail ejection cylinder. According to the structural form, the cylindrical knife is positioned and mounted more accurately; an included angle of inside cutting edges of an annular blade is 25 degrees, and an included angle of outside cutting edges of the annular blade is 15 degrees, so that the excellent annular cutting effect is realized.

The invention relates to a rotating handle operating device of moulded case circuit breaker. Straight pulling operating mode is changed into rotating handle operating mode. The operating device comprises a cover, a rotating handle, a rocker, a guide plate provided with a socket, a guiding mechanism which is composed of two groove-shaped guide rails and supporting axles and a bearing as well as a shifting mechanism which is composed of a chute, a shifting shaft and a rolling bearing; wherein the rocker and the rotating handle are respectively arranged at the inner side and outer side of the cover, the chute is formed on the rocker, the shifting shaft is fixed on the guide plate, the rolling bearing is arranged on the shifting shaft and is inserted into the chute, the groove-shaped guide rail of the guiding mechanism is arranged and fixed in the cover, the bearing shaft is fixed on the two sides of the guide plate, and the bearing is arranged on the supporting axle and is inserted into the guide groove of the groove-shaped guide rail. The guiding mechanism and shifting mechanism all adopt rolling friction structure, so that friction resistance is small, transmission is flexible, andthe defect that operation is strenuous in the prior art is overcome, thus being especially applicable to moulded case circuit breaker of large case frame.

The invention discloses a refrigerator with a humidity adjusting drawer, and relates to the technical field of refrigerators. The use experience is good, assembly parts are not prone to being damaged,and the state or degree of lifting or lowering a drawer cover plate can be indicated. The refrigerator comprises the storage drawer, the drawer cover plate and a shelf. The shelf is rotatably connected with an adjusting knob, the adjusting knob is arranged in the vertical direction and the lower end of the adjusting knob penetrates through the shelf, and a spiral ring is arranged on the outer wall, located below the shelf, of the adjusting knob in the circumferential direction. The height of the upper surface of the spiral ring gradually changes in the vertical direction, and a hook portion is arranged at the position, facing the shelf, above the drawer cover plate, the upper surface of the spiral ring is in sliding contact with the lower surface of the hook portion, and a gear indicatingstructure is arranged between the adjusting knob and the shelf. When the adjusting knob is rotated to any preset position, the gear indicating structure is used for indicating the state or degree oflifting or lowering the drawer cover plate. The refrigerator with the humidity adjustment drawer is used for storing articles.

The invention relates to the field of auxiliary devices of a plate shearing machine and provides a material receiving device of the plate shearing machine. The material receiving device of the plate shearing machine comprises two material racks, a material receiving rack, a material receiving plate, two lifting devices and driving devices, wherein each material rack is provided with a bottom plate and at least one side plate, the material receiving rack is located between the rear ends of the two material racks, the material receiving plate is fixedly connected with the upper end of the material receiving rack, the two ends of the material receiving plate stretch out of the opposite sides of the two material racks respectively, a sheet base plate is arranged at the upper end of each lifting device, each lifting device is connected with a bottom plate of the material receiving rack through at least one sliding rail, the driving devices are used for driving the lifting devices to move back and forth along the material racks, the two ends of the material receiving plate are respectively provided with a material lifting hole, the material lifting holes are communicated with the front side edge of the material receiving plate, and the sizes of the material lifting holes are larger than the sizes of the sheet base plates. According to the material receiving device of the plate shearing machine, the material forking interval of a forklift is prolonged, and the forklift can be used in other processes easily.

The invention discloses a massage clamp which comprises two clamp handles and two working arms; a restoration elastic element is arranged between the two clamp handles; and two massage devices corresponding to each other are arranged on the working arms. The massage clamp is provided with comprehensive functions, practical, portable, usable at any time, easy to operate, labor-saving, powerful in massage strength, not easy to cause operation fatigue due to extended massage time, produces obvious curative effect , and adopts the lever principle by using a hand clamp structure. The massage clamp has the beneficial effects that during the operation process, a locking device is used for keeping a permanent preset pressing state by locking the clamp handles, gives an acupoint lasting massage force, and easily achieves a massage state of one-time pressing and continuous acting force; the massage clamp precisely positions the acupoint, is not easy to deviate during operation, and adjusts the degree of the strength according to the force that an individual can bear over time; the massage clamp has small volume, can be sterilized before use at any time, thus preventing cross infection of skin diseases; no time limit and no space limit exist during use, so that massage treatment can be performed to a human body when discomfort occurs during a ride, an air travel, or queuing; and the massage clamp is easy to carry and operate, time-saving, labor-saving and highly efficient, and produces effects rapidly, so that the massage clamp is more suitable for the modern trend of self health care.

A disposable pistol type circumcision anastomat comprises a glans penis seat (1), a regulating lever (2), a regulating handle (3), a cylindrical cutter (4), a suturing nail ejection cylinder (5), a hollow ejector rod (6), a nail bin ring (7), and a suturing nail provided in the nail bin ring (7). The cylindrical cutter (4) is coaxially sleeved in the suturing nail ejection cylinder (5). The circumcision anastomat further comprises a gun body and a trigger drive mechanism. The gun body consists of a tubular body portion (8), a main housing portion (9), and a handle portion (10), the upper part of the main housing portion (9) being provided with a horizontal limiting plate (11). The trigger drive mechanism comprises a trigger (13), a drive member (14), a drive arm (15), a swing arm (16), a slide block (17), and a reset spring (18). Since the trigger drive mechanism is specially designed for cooperating with the horizontal limiting plate (11) in the gun body, the operation is more labor-saving and the displacement of the suturing nail ejection cylinder (5) is more accurate, thereby improving the success rates of circumcision and suturing.

The invention discloses a portable foldable desk and chair connected unit which comprises a folding chair and a folding desktop at one side of the folding chair, wherein the folding chair comprises long legs and short legs which are hinged with each other, and a seat hinged with the long legs and the short legs, one end of the folding desktop is hinged on the long legs, the other end of the folding desktop is connected with support rods, and the other ends of the support rods are hinged on the seat. The portable foldable desk and chair connected unit provided by the invention can ensure that the desk and the chair can be simultaneously folded to facilitate the movement and the carrying, and is simple and has a labor-saving effect in operation.

The invention provides an integrated multifunctional pincers shearing and expansion engineering tool using a double-sliding-block deformation mechanism, and particularly belongs to multifunctional engineering tools. The integrated multifunctional pincers shearing and expansion engineering tool has the advantages that a pincers shearing device A, expansion device B and deformation device C of the double-sliding-block deformation mechanism are used, the working requirements are met under various working states, and the motion interference does not occur.

The invention relates to a low-in low-out screw transmitter, wherein it is formed by main body, transmission band, transmitter and assist transmitter. The main body has screw track whose lower point is initial point, screwing to the top end and alternated to the lower final point; said track can support the transmission band; transmitter drives the gear group to move the transmission band on track; the assist transmitter is formed by several upright supports into cylinder; each support has several distanced muffles; the muffle can rotate freely on the support; the assist transmitter is at the inner side of transmission band, to approach the muffle with the inner edge of transmission band; the assist transmitter can rotate along with the transmitter; the transmission band transfers material at lower part; the support of assist transmitter can move the transmission band.

The invention provides a horizontal articulated slag pot carrier. The horizontal articulated slag pot carrier comprises two working mechanisms symmetrically arranged on a rear frame; and the working mechanisms are installed on one sides of the rear frame, and each working mechanism comprises a clamp, a connecting rod, a working big arm and a telescopic rod (64), wherein a U-shaped opening is formed in the clamp, the opening faces towards the direction of a cab and is matched with a trunnion of a slag pot, a pin locking mechanism is arranged on the clamp and is used for locking the slag pot, the bottom of the connecting rod is hinged to the rear frame, the top of the connecting rod is hinged to the outer side of the clamp, the bottom of the working big arm is hinged to the rear frame, the top of the working big arm is hinged to the outer side of the clamp, the working big arm is arranged on the inner side of the connecting rod, the fixed end of the telescopic rod is hinged to the rear frame, and the movable end of the telescopic rod is hinged to the middle part of the working big arm. According to the horizontal articulated slag pot carrier, the problems of long working time, low operation efficiency and the like of an existing slag pot carrier are solved, the safety driving feeling is improved, the whole-vehicle structure is compact, the gravity center is low, and the purposesof high safety, high efficiency, low energy consumption and low cost are achieved.