60results about How to "Open and close freely" patented technology

The invention discloses a walking type cable winding and arranging device for a gantry ground rail. The walking type cable winding and arranging device comprises a left ground beam, a right ground beam, a left vertical column and a right vertical column, wherein the left vertical column and the right vertical column are arranged on the left ground beam and the right ground beam. A left idler wheel and a right idler wheel are arranged on the left ground beam and the right ground beam. An inner sleeve is arranged at the top of the left vertical column. An outer sleeve is arranged at the top of the right vertical column. The inner sleeve is sleeved with the outer sleeve. A gear motor is arranged at the upper portion of the outer sleeve. A left bracket and a right bracket are installed on the left vertical column and the right vertical column. A left bracket shaft and a right bracket shaft are arranged on the left bracket and the right bracket. A left tip cone and a right tip cone are arranged at one end of the left bracket shaft and one end of the right bracket shaft. A left motor and a right motor are arranged on the left vertical column and the right vertical column. A pulling pin is arranged at one end of the right bracket shaft, and a gearbox is arranged at the other end of the right bracket shaft and connected with a direct current motor. The walking type cable winding and arranging device has the advantages of being reasonable in structural design, free in cable tray clamping, convenient to use and large in application range, and is widely applied to winding, arrangement, cable defense and equipment matching for a crosslinking unit, an extrusion unit, a continuous curing unit, a cabling unit, an armoring unit, a tray dumping unit and other units of manufacturers for various cables such as wires, electric cables, optical cables and communication cables.

The invention is a kind of controllable automatic switch valve, which includes a valve body, a cover, the character lies in: there set a piston group made up of a upper piston and a subjacent piston on position correspondent to the valve aperture, the upper piston and the subjacent piston are connected coaxially with valve pole, there has a hollow flow channel in the valve pole, there covers a flow guiding pipe on top of the hollow flow channel, another end of the flow guiding penetrates the valve cover and being closed through the control valve, and start the valve hole or connects to the piston cavity through the control valve flow channel, and pushes the piston group to close the valve hole.

The invention discloses a desk safety and inspection well, comprising well base (1) set at the bottom of inspection well, well cylinder, well seat (4) and well cover (6). Its well cylinder is divided into fixed well cylinder (2) and active well cylinder (3). The fixed well cylinder (2) is fixed on the well base (1) and presetting active well cylinder (3) is set on the fixed well cylinder (2) vertically. Pre-buried well ring (11) is set on the well seat (4), which is covered on the active well cylinder (3) flatly. Under the well cover (6) there is a desk (5), which covers on the active well seat (3). The well cover (6) is set in the well ring (11) of well seat (4). The well cover (6) and desk (5) are locked together by screw cap (3) and screw bar (9). The inspection well in the invention can solve the repairing problem when inspection well goes down or declines under pressure and the well cover is connected with the well seat by hinge so that it is opened freely and not easy to be stolen. Abnormal well cover is not easy to be turn out when it is extruded by wheel. If one well cover is lost, the reflectorized paint on the desk can take a caution to foot passenger or traveling crane so as to avoid the traffic accident.

Provided is a filter device for an air conditioner, including a slidable air filter for absorbing dust in the air passing through a heat exchanger, a dust removal part for removing the dust adsorbed on the air filter, and a recycling The dust recovery part which removes the dust by this dust removal part, and the suction means which communicate with this dust recovery part are formed in the dust recovery part with the air inflow port. Thus, it is possible to provide a filter device for an air conditioner that is excellent in cleaning performance and requires little maintenance.

The invention discloses an automatic multi-leaf folding door. The automatic multi-leaf folding door comprises a first main guide rail, a second main guide rail, a folding door body group and a driving component. The folding door body group is positioned between the first main guide rail and the second main guide rail and comprises at least two moving door bodies connected through folding components. The automatic multi-leaf folding door is simple and reasonable in structure and convenient to mount and use. When using the automatic multi-leaf folding door, users only need to push a remote control or a switch on a wall to easily open the folding door through an automatic system controller; the automatic multi-leaf folding door can be open manually in power failure. Openness of the automatic multi-leaf folding door which can be regulated according to requirements of the users, and smoothness and controllability in opening and closing, time saving and labor saving are realized. A large passage space can be provided, the users can experience perfect fusion of intelligent technologies and precision manufacturing, and a building with the automatic multi-leaf folding door is endowed with a dynamic fashion feature.

The invention relates to a shouldered direct-current pneumatic tobacco leaf topping and bud inhibiting machine operated by a hand-held operator, which is applied to topping and bud inhibiting agent spraying in tobacco growth. The shouldered direct-current pneumatic tobacco leaf topping and bud inhibiting machine consists of shouldering device and an operator, wherein the shouldering device and theoperator are connected by a pneumatic pipe, a hydraulic pipe and a lead; the shouldering device comprises a bracket, and a suspender, a direct-current power supply, a liquid storage tank and a main control circuit which are arranged and fixed on the bracket; the machine is characterized in that the shouldering device further comprises a direct-current air pump, a two-position five-way air pressure electromagnetic valve and a two-position two-way hydraulic electromagnetic valve which are arranged and fixed on the bracket; the two-position five-way air pressure electromagnetic valve and the two-position two-way hydraulic electromagnetic valve are controlled by the main control circuit; the operator comprises a miniature bidirectional air cylinder, a hay cutter body, a hay cutter groove, a first semicircular nozzle and a second semicircular nozzle; and the hay cutter body is connected with a hand-held shell through a pin shaft and a pin shaft hole. The shouldered direct-current pneumatictobacco leaf topping and bud inhibiting machine has the advantages of clean cuts of cut tobacco rods, flat bevel connection, sensitive response of the hay cutter body, circumferential spraying of a bud inhibiting agent, accurate quantification, uniform coverage and the like.

The invention provides a manufacturing and mounting method of a combined type wood pattern anchor table component. The manufacturing and mounting method comprises the following steps of in the process of an anchor table anchor-pulling test, enabling a hawse pipe to be extend from an anchor testing box body, and inserting the extended hawse pipe in the wood pattern anchor table component, so as to enable the wood pattern anchor table component and the anchor testing box body to be connected together, and the strengthening manner of the wood pattern anchor table component is changed from a plane strengthening manner to a three dimensional space strengthening manner; and dividing the wood pattern anchor table component into two parts of an anchor table and an anchor mouth through utilizing an anchor mouth bottom plane as an interface, wherein the anchor table is manufactured through adopting a frame type method; and the anchor mouth is manufactured through adopting an entity method. Through the adoption of the manufacturing and mounting method disclosed by the invention, the wood pattern anchor table component is light and durable; the anchor mouth and the anchor table can be freely separated and combined, and the strengthening scheme of the anchor testing box body is simplified; the rigid damages to the anchor testing box body are reduced; and the credibility of the result of the anchor-pulling test is guaranteed.

The invention relates to a novel universal medical infusion head with an automatic infusion bottle changing function. The infusion head comprises an infusion head body, two passages arranged on the infusion head body, a floater valve chamber, a liquid inlet tube and a liquid outlet tube, wherein the two passages are an air-liquid passage and a liquid passage, the top ends of the two passages are communicated into a bottle or bag, and a valve is disposed on each passage; the bottom-end opening of the air-liquid passage is formed in the top of the floater valve chamber, and the bottom-end opening of the liquid passage is formed in the liquid outlet tube; a floater with two valve rods at the top is disposed in the floater valve chamber, and a liquid outlet communicated with the liquid outlet tube is formed in the bottom of the floater valve chamber; the two valve rods on the floater respectively correspond to the valves on the two passages, and the bottom end of the floater faces directly to the liquid outlet. The novel universal medical infusion head has the advantages that the two valves are driven by one floater, and the two valves of two valve chambers are opened and closed synchronously; by the three openings of the valve chambers, floater valve movements and a liquid passage directly communicating to the liquid outlet tube, suction force in the tube is fully utilized, and pulse infusion is achieved.

The invention relates to an autolock provided with multiple driving modes. The autolock comprises a lock panel, a lock shell, a square rod shaft and a lock cover plate. The lock panel is fixed on one side of the lock shell through screws, two big spring bolts, a small spring bolt, a main bolt and a door-slot gap adjusting bolt are respectively inserted and move inside the lock panel, and the big spring bolts, the small spring bolt, the main bolt and the door-slot gap adjusting bolt are connectively fixed to a main bolt plate; a main bolt plate guiding key is arranged in the main bolt plate which is connected with an upper reset spring and a lower reset spring, and the reset springs are fixed in the lock shell; the lock body is fixedly provided with a lock cylinder through a lock cylinder fixing screw, and the lock cylinder is in contact with clutch blocks; the lock cover plate covers the lock shell through the screws. The autolock can be used bi-directionally and is applicable to all doors. The strength of five solid bolts totally exceeds that of a door, so that the lock is reliable in quality, long in service life, free to lock and unlock and easy to mount.

The invention relates to a device for treatment of radioactive waste, in particular to an ash discharging device for alpha waste incineration ash. The ash discharging device structurally comprises an ash bin, an ash discharging operating box and a control system. The ash discharging operating box comprises an auxiliary in-bin box, a main ash discharging box and an auxiliary out-bin box. The auxiliary in-bin box is of a double-layered sealed chamber structure, and is provided with a bin-lifting mechanism and a bin-pushing cylinder. A buffer tank connected with an ash discharging pipe is arranged on the main ash discharging box and is connected with a weighing sensor, and a cover suction mechanism is further arranged in the main ash discharging box to drive moving carts, moving among the stations, of the ash bin. The auxiliary out-bin box is of a double-layered sealed chamber structure, a bin-forking mechanism used for transferring the ash bin from the main ash discharging box is arranged in the auxiliary out-bin box, and a bin-lifting mechanism and an outer-cover inlet are arranged above the bin-forking mechanism. By the ash discharging device, labor intensity of operators can be alleviated, irradiation degree of the operators can be reduced, and safety of ash discharging operation can be improved.

The present invention provides an air conditioner, capable of reducing load when a dust collection box is lifted and providing power to a drive motor from an electrical mounting box easily. The air conditioner includes a body unit (1) having a heat exchanger (11) and a blower (9), and a decorative board (21) arranged below the body unit and having an absorb grid (30), wherein the absorb grid is configured to lift relative to the body unit, a filtering unit (130) is arranged between the body unit and the absorb grid and provided with an air filter (40) and a removing mechanism (50), the air filter collects dust in the air absorbed through the absorb grid of the decorative board, the romoving mechanism is connected with the body unit through wirings and is used to remove dust (200) attachedto the air filter, and the filtering unit is configured to be opened and closed freely relative to the body unit, such that the electrical mounting box (19) arranged in the body unit may be exposed when the absorb grid is dropped.

The invention discloses a fishing gear pincers with a locking mechanism and relates to the field of fishing gear supplies, in particular to a locking mechanism capable of keeping fishing gear pincers in an opening closing state. The locking mechanism comprises a first pincer handle and a second pincer handle. The first pincer handle is provided with a stepped hole. A locating pin and a spring are arranged in the stepped hole. A locating pin boss is integrally arranged at one end of the locating pin. The locating pin is sleeved with the spring, one end of the spring is arranged on a step of the stepped hole, and the other end of the spring is arranged on the locating pin boss. A rotary knob is arranged on the outer side of the first pincer handle. The rotary knob, the first pincer handle and the second pincer handle are connected through a connection part. The inner side plane of the rotary knob is provided with an arc-shaped groove. The groove depth of one end of the arc-shaped groove is larger than that of the other end of the arc-shaped groove. The locating pin boss is arranged in the arc-shaped groove. The second pincer handle is provided with a locating hole allowing entering and going out of the locating pin. The locking mechanism is designed, so that carrying, storing and cutting edge protection of the fishing gear pincers are convenient, and stability guarantee can be even provided for usage of tools on the fishing gear pincers with multipurpose tools.

The invention relates to a pipe-connected discharge valve capable of removing scab. The pipe-connected discharge valve comprises a discharge valve part. The discharge valve part comprises a valve body, a valve seat, a valve rod, a valve clack, a bracket, a lifting handwheel and a locking nut, wherein a screw is arranged at the upper part of the valve rod, and a polished rod is arranged at the lower part of the valve rod; the discharge valve part further comprises a cutting mechanism; the cutting mechanism comprises a cutting seat arranged at the upper end of the valve clack, a cutting knife arranged above the cutting seat, a connecting sleeve and an anti-rotation block which are arranged at the upper end part of the polished rod of the valve rod, and a cutting handle arranged at the upper end part of the screw of the valve rod; the anti-rotation block is movably arranged on the connecting sleeve; the connecting sleeve is fixedly connected on the polished rod; a cutting mark is arranged on the bracket; the anti-rotation block aligns at the cutting mark when the valve clack is connected with the valve seat; and the maximum cutting diameter of the cutting knife is slightly smaller than the inner diameter of the valve seat. With the adoption of the pipe-connected discharge valve, the technical problem that scabs are easily accumulated at a discharge outlet of equipment for producing aluminum oxide slurry existed for the existing pipe-connected discharge valve is solved; the sealing surface of the pipe-connected discharge valve disclosed by the invention is always positioned in a non-scabbing area, and the pipe-connected discharge valve can be freely opened and closed.

The invention provides a conveying device of a roller hearth furnace. A furnace inner roller and a furnace outer roller are arranged at the bottom of the roller bottom furnace. The conveying device ofthe roller hearth furnace comprises a bracket, a guide rail, a supporting roller, and a driving roller, wherein the bracket is arranged outside the furnace of the roller hearth furnace. The guide rail is vertically arranged on the bracket, the supporting roller is arranged outside the furnace of the roller hearth furnace and is disposed between an inner furnace roller and an outer furnace roller,the supporting roller can move up and down on the guide rail, the supporting roller is provided with a rotating shaft, the axial direction of the rotating shaft is disposed in the horizontal direction, and the axial direction of the rotating shaft is perpendicular to the moving direction of workpieces, and the workpieces are output from the roller bottom furnace. The driving device is connected with and drives the carrier roller. The device is novel in structure and ultra-high in cost performance, and overcomes the defects of a former roller hearth furnace and has extremely high market popularization value.

The invention discloses a screw-type anti-theft hoist which comprises a machine seat, a machine casing and a hoist assembly arranged in the machine casing. An anti-theft lock mechanism used for controlling opening and closing of the hoist assembly is arranged on the outside of the machine casing. The anti-theft lock mechanism comprises a sealing lock body, a lock piece is arranged in the sealing lock body, and the sealing lock body is fixed on the machine casing through a bolt. The screw-type anti-theft hoist is compact in structure, large in bearing capability, stable and reliable in operation, reasonable in design and capable of working under various extreme weathers and ensuring that the device is safe and lossless and a gate is free to open and close, saving time and labor and being long in service life. The screw-type anti-theft hoist can be installed outdoors for water conservation flood control and prevention and is good in anti-theft effect and practicability.

The invention provides an adjustable rolling tube type fertilizer applicator, which relates to the technical field of agricultural production and comprises a push-pull rod and a rolling tube, wherein one end of the push-pull rod is connected with the rolling tube through a rolling frame, a main body of the rolling tube consists of a cylindrical tube body and rolling wheels arranged at both ends of the tube body, a rolling shaft is arranged inside the tube body, and material feeding holes are arranged on the rolling wheel arranged at one end. The adjustable rolling tube type fertilizer applicator has the advantages that the structure is simple, the use is convenient, the rolling tube type design is adopted, the push-pull operation can be freely realized, the efficiency is high, the labor is saved, the corrosion injury on both hands caused by contact of both hands with fertilizers is avoided, grown young crops can not be damaged in the fertilization application process, the fertilizing holes arranged on the rolling tube can be freely opened or closed, the size of the fertilizing holes can be regulated according to the size of fertilizer particles, further, the fertilization application quantity is regulated, the fertilization application is uniform, and the fertilizers are not wasted.

The invention relates to the field of industrial machinery and in particular relates to a refrigerator applied to factories. The refrigerator comprises a refrigerator body and a refrigerator door, wherein the refrigerator door is connected with the refrigerator body; the refrigerator body is formed by a freezing case, a refrigerating case and an unfreezing case; a transverse rod is individually placed in the freezing case and the refrigerating case; the freezing case is arranged under the refrigerating case; the refrigerating case is mounted under the unfreezing case; a hole is formed in the unfreezing case; a piston is placed into the hole; and the height of the refrigerator is 1.5 to 2m. Foods can be hung and stored according to types with the normal use function of the refrigerator guaranteed, so a problem of taste taint and mixture can be solved; food quality can be guaranteed; freezing and unfreezing integral operation can be achieved, so operation procedure is simplified and occupation space of an unfreezing machinery is reduced; human resource, material and capital use can be reduced; and production efficiency can be improved.

The invention discloses a four-flavor portable packaging box, and aims at providing a four-flavor portable packaging box capable of being conveniently carried. The four-flavor portable packaging box comprises four independent cigarette packaging boxes, wherein each cigarette packaging box comprises a box body, a box cover, framework paper and inner lining paper; the box cover is connected with the box body through a hinge; the framework paper and the inner lining paper are arranged in the box body; the four cigarette packaging boxes sequentially rotate for 90 degrees by using the vertical lines of the maximum surfaces of the box bodies as rotating shafts; in addition, the box bodies of the four cigarette packaging boxes are ranged for forming a square shape in a way that the bottom of an upper box body is in lap joint with the side part, near an opening end, of an lower box body, in addition, a square hole is formed in the middle part; the four-flavor portable packaging box also comprises a connecting element, an upper cover plate and a lower cover plate; the connecting element corresponds to the shape and the size of the square hole and is used for connecting the four cigarette packaging boxes, and the upper cover plate and the lower cover plate simultaneously cover the maximum surfaces of the box bodies of the four cigarette packaging boxes. The four-flavor portable packaging box effectively solves the problems that inconvenience is caused when a customer simultaneously carries a plurality of packets of cigarette packaging boxes of different flavors to go out, and the selection, the taking and the use of the plurality of packets of cigarettes are inconvenient.

The invention relates to a color image forming apparatus capable of ensuring easy replacement of an intermediate transfer belt and others, using an improved method for pulling out an intermediate transfer unit, despite a possible increase in the unit size. The color image forming apparatus includes: a main body (101) of the apparatus that forms a color image; and an intermediate transfer unit (70) for transferring the color image formed by the main body of the apparatus, wherein the intermediate transfer unit (70) is configured to be removed from and to be inserted into the main body (101) of the apparatus, and wherein the intermediate transfer unit is configured to perform a door-like opening and closing movement. This structure allows the intermediate transfer unit (70) to be opened or closed like a door, with the intermediate transfer unit (70) removed from the main body (101) of the apparatus at the time of belt replacement, and permits the intermediate transfer belt (70) to be replaced, without having to dismount from the main body (101) of the apparatus the intermediate transfer unit (70) that may be difficult to remove due to an increase in the size of the color printer (100).

The invention discloses a needle holding clamp for a minimally invasive surgery under a gastrointestinal endoscope. The needle holding clamp comprises a clamp head, a clamp body and a control handle,wherein a rear end of the lamp head is connected with one end of the clamp body, and the other end of the clamp body is connected with a front end of the control handle; via the clamp body, the control handle is used for controlling the clamp head to clamp and release a suture needle and suture lines; the clamp head comprises a pair of clamp arms, a driving mechanism, a clamp head main body and afixed rotary mechanism; the clamp body comprises an inner core, a spring tube arranged on the inner core in a sleeving manner, and an insulation layer arranged on the spring tube in a sleeving manner;the control handle comprises a handle main body, a slide ring assembly and a locking assembly. The needle holding clamp disclosed in the invention is a special-purpose clamp for the minimally invasive surgery under the gastrointestinal endoscope, and a front end of the vessel clamp can rotate freely and can open and close freely; the needle holding clamp can be used for clamping and locking the suture needle.

The invention provides a pouch for a lunch box which can cover the side surface periphery of the lunch box in a compact manner and also can be used as a lunch box pad. The pouch has a rectangular sheet main body (9) and a vertical part (11) covering the side surfaces of an upper lunch box and a lower lunch box (1, 2) in the width direction of the sheet main body (9), namely, the back side of the long side, and the vertical part (11) becomes the periphery of upper lunch box and the lower lunch box (1, 2) by folding back the other side of the sheet main body (9) along the long edge direction. The vertical part (11) is provided with tongue parts (22, 26) extending upwards. When the vertical part (11) is vertically arranged, the upper lunch box and the lower lunch box (1, 2) can be held, on the other hand, when one has a meal, the sheet main body (9) can be used as the lunch box pad by folding down and spreading the vertical part (11). The tongue parts (22, 26) can cover the lunch boxes (1, 2).

An installation structure with hinge towards plug socket of the present invention is characterized in that a plug socket is inserted and matched on a hinge of foldable portable terminals such as a portable telephone and the like, which can not affect its function by needless load from the hihge. A movable articulated pipe is inserted between a fixed articulated pipe and a folding component, the minor diameter part of the movable articulated pipe is rotatably embedded on a major diameter part of the fixed articulated pipe freely, so as to make the front end part of a slip-ring for holding connect on the major diameter part for holding. The front end opening part side of the fixed articulated pipe is inserted to the rear part till enter into the slip-ring for holding. A bond part of the front end part is embedded into a bond groove of the fixed articulated pipe, and the bond part of the rear part is embedded into the bond groove of the slip-ring for holding. Under the state, an enlargedhead part of the plug socket is fixed and clamped on a fixing and clamping step of a fixed articulated pipe. Thereafter, a C-shaped opening ring external tool is embedded on a ring fixing and clampinggroove at the periphery of the rear part of a housing, so as to limit rearward remotion of the slip-ring for holding.

The invention discloses an operating forceps. The operating forceps include an articulated first handle and second handle; the second handle is provided with a clamping strip; the first handle is provided with a sliding groove and a locking assembly matching the clamping strip in a clamp connection manner; a sliding block connected to the locking assembly is arranged in the sliding groove; and thesliding block can do reciprocating motion between the releasing position and locking position of the sliding groove so that the clamping states of the locking assembly and the clamping strip can be switched. The provided operating forceps can maintain a locking state, operators can concentratedly do other operation, the working intensity of the operators can be reduced, and operation efficiency can be enhanced.

The invention relates to an autolock provided with multiple driving modes. The autolock comprises a lock panel, a lock shell, a square rod shaft and a lock cover plate. The lock panel is fixed on one side of the lock shell through screws, two big spring bolts, a small spring bolt, a main bolt and a door-slot gap adjusting bolt are respectively inserted and move inside the lock panel, and the big spring bolts, the small spring bolt, the main bolt and the door-slot gap adjusting bolt are connectively fixed to a main bolt plate; a main bolt plate guiding key is arranged in the main bolt plate which is connected with an upper reset spring and a lower reset spring, and the reset springs are fixed in the lock shell; the lock body is fixedly provided with a lock cylinder through a lock cylinder fixing screw, and the lock cylinder is in contact with clutch blocks; the lock cover plate covers the lock shell through the screws. The autolock can be used bi-directionally and is applicable to all doors. The strength of five solid bolts totally exceeds that of a door, so that the lock is reliable in quality, long in service life, free to lock and unlock and easy to mount.

The invention discloses a fabricated ward. The fabricated ward structurally comprises a ward body, a corridor is fixedly arranged on one side of the ward body, a ward ceiling is fixedly arranged at the top of the ward body, a corridor ceiling is fixedly arranged at the top of the corridor, and inpatient area assemblies used for achieving patient isolation treatment are arranged on the ward body and the corridor. Power disinfection assemblies used for disinfecting inpatient areas and providing power for equipment are arranged in the ward ceiling and the corridor ceiling. Isolation among all theareas is achieved by arranging sliding doors and other assemblies, isolation doors of all the areas are controlled and locked when being opened and closed through clamping assemblies, so that the inpatient areas do not communicate with one another, and when the inpatient area on one side communicates with the public area, the inpatient area on the other side is kept isolated. When only the publicarea is used, related assemblies of the isolation doors of the public area can be independently opened and closed, synchronous disinfection can be achieved when the doors of all the areas are openedand closed, and finally the effect that a common large ward is temporarily isolated into a plurality of independent inpatient areas and public areas is achieved.

The invention relates to a single-hand operable shoulder type tobacco bud topping machine and a manipulator improved structure. The single-hand operable shoulder type tobacco bud topping machine and the manipulator improved structure are applied to bud topping during tobacco culturing. The single-hand operable shoulder type tobacco bud topping machine comprises a manipulator and a master control circuit; the manipulator comprises a case, a cutter, a cutter groove, a ring-shaped spray nozzle and a push nozzle, wherein the ring-shaped spray nozzle is connected with a hose joint, and the push rodis limited onto a linear rail to move reciprocatingly. The single-hand operable shoulder type tobacco bud topping machine is characterized in that (i) the cutter is connected in a fastened mode withthe push rod through bolts; (ii) the cutter groove is an open ring-shaped through groove; (iii) the ring-shaped spray nozzle is an open ring-shaped spray nozzle; (iv) the open ring-shaped through groove and the open ring-shaped spray nozzle are superposed side by side and are both opened towards the side surface of the central line of the push rod; (v) the cutter extends out of the inner cavity ofthe case and towards the channel of the cavity of the through groove via the open space of the open ring-shaped through groove. The single-hand operable shoulder type tobacco bud topping machine hasthe advantages of reducing the labor intensity and being accurate and simple in hooking operation process, more accurate in application, capable of saving bud inhibitor and the like.

The invention discloses a gastrointestinal endoscope surgery needle holding clamp having an electrocoagulation function. The needle holding clamp comprises a clamp head, a clamp body, a control handleand an electrocoagulation mechanism, wherein a rear end of the lamp head is connected with one end of the clamp body, and the other end of the clamp body is connected with a front end of the controlhandle; via the clamp body, the control handle is used for controlling the clamp head to clamp and release a suture needle and suture lines; the electrocoagulation mechanism is connected with the control handle; the clamp head comprises a pair of clamp arms, a driving mechanism, a clamp head main body and a fixed rotary mechanism; the clamp body comprises an inner core, a spring tube arranged on the inner core in a sleeving manner, and an insulation layer arranged on the spring tube in a sleeving manner; the control handle comprises a handle main body, a slide ring assembly and a locking assembly; the electrocoagulation mechanism comprises a high frequency electric knife and an electrode plate. The needle holding clamp disclosed in the invention is a special-purpose clamp for a gastrointestinal endoscope surgery, and a front end of the needle holding clamp can rotate freely and can open and close freely; the needle holding clamp can help with clamping and locking the suture needle, thetissue and the suture lines; polyps can be electrically removed via fulgerizing operation, and electric coagulation hemostasis can be realized through the needle holding clamp.