213results about How to "Not easy to take out" patented technology

The invention relates to a double-action reciprocating hydraulic booster which comprises a boosting device and an automatic reversing control valve, and is characterized in that: the upper end and the lower end of the control valve core of the automatic reversing control valve are respectively connected with an upper piston and a lower piston; the cross sectional area of the upper piston is more than that of the lower piston; a first oil port of the automatic reversing control valve is communicated with a lower low-pressure cavity, a second oil port of the automatic reversing control valve is communicated with an upper low-pressure cavity, an oil return port of the automatic reversing control valve is communicated with an oil return channel, and a high-pressure oil port of the automatic reversing control valve is communicated with a high-pressure oil channel; the boosting part is also provided with an oil inlet runner, an oil return runner, a first control runner and a second control runner; a circular communicating groove is arranged on the peripheral surface of a low-pressure plunger; and the first control runner and the second control runner are communicated with an upper chamber of the upper piston through first bypass channels. Compared with an electromagnetic reversing valve, the automatic reversing control valve has a simpler structure, is controlled with a single pole, so that the boosting frequency is not reduced, the operation is reliable, and the purpose of high-frequency boosting can be achieved.

The invention discloses an air duct system of a horizontal type freezer and the freezer. The air duct system comprises an evaporator, a fan assembly, inlet air ducts, a return air duct, wherein the evaporator is located in an evaporator cavity; the evaporator cavity is located at one end of a box body in the length direction; the fan assembly is located above the evaporator; one end of each inlet air duct and one end of the return air duct respectively communicate with the upper part and the lower part of the evaporator cavity; the fan assembly is a centrifugal fan assembly with a volute structure; the inlet air ducts comprise two groups of inlet air ducts respectively arranged on two sides of a compartment; each group of inlet air ducts consist of a main inlet air duct and an auxiliary inlet air duct which are arranged in the vertical direction side by side; the main inlet air ducts and the auxiliary inlet air ducts extend to the other end of the box body in the length direction; and a plurality of air inlets communicating with the compartment are formed in the main inlet air ducts and the auxiliary inlet air ducts. The air duct system has the advantages that cold air is supplied to one end, away from the evaporator, of the horizontal type freezer through the inlet air ducts, and the refrigeration efficiency of the freezer is improved.

The invention belongs to the technical field of cables and particularly relates to a microgroove cable, which comprises a framework body, a plurality of framework blades, a plurality of framework slots, a reinforcing piece, a plurality of cable cores, a protective layer and a protective sleeve layer, wherein the framework body, the framework blades, and the framework slots are integrally formed; the framework blades are positioned on the edge of the framework body; the reinforcing piece is positioned in the center of the framework body; one framework slot is formed between each two adjacent framework blades; the cable cores are positioned in the framework slots; the framework blades are coated with the protective layer; the protective layer is coated with the protective sleeve layer in an extrusion manner; the microgroove cable is characterized in that the outer edges of the framework blades, and the outer edges of the framework slots are positioned on the side surface of the same cylinder, and at any cross section, the midpoint of the connecting line of the two ends of the opening of each framework slot and the connecting line of the top point of the bottom of each framework slot do not pass through the center of the reinforcing piece; all the framework slots are in the same direction. The microgroove cable has the main benefits as follows: the microgroove cable is easy to produce, higher in qualification rate of finished products, low in production equipment input, less in resource consumption, higher in product density, and more stable in product quality.

Provided is a dehumidifier 1 in which a tank drawer for accommodating a water tank is slidably inserted / withdrawn and tilted to easily withdraw the water tank in which condensed water is collected.

The invention discloses a cold iron, a sand core designing method for conveniently storing cold iron and a cold iron storing method. The cold iron is formed by being filled with a plurality of steel pill sand, a chilling effect can be played on castings, collapsing is achieved along with sand cores during box opening, no residual exists in a casting cavity, and the qualified rate of the castings is effectively improved.

The invention relates to a refrigerator, a door for the same and a disassembling method for a display control assembly of the refrigerator. The door comprises a panel, a door lining, an embedded box and the display control assembly, wherein the panel is provided with a hollowed-out window; a mounting opening which is opposite to the hollowed-out window is formed in the front end of the embedded box; the embedded box is arranged between the panel and the door lining; the display control assembly is provided with a touch display screen, a mounting plate rack for fixing the touch display screen and a front cover plate arranged on the front side of the mounting plate rack; the touch display screen, the mounting plate rack and the front cover plate which are configured as a whole body successively pass through the hollowed-out window and the mounting opening and are mounted in the embedded box from front to back; the front cover plate is detachably connected with the mounting plate rack in a clamped manner; and the mounting plate rack is also detachably connected with the embedded box in a clamped manner. The disassembling method comprises the following steps of relieving clamped connection between the front cover plate and the mounting plate rack and disassembling the front cover plate from the mounting plate rack; and relieving clamped connection between the mounting plate rack and the embedded box and disassembling the mounting plate rack and the touch display screen from the inside of the embedded box. The refrigerator comprises a refrigerator body and the door.

The invention relates to a refrigerator, a door body for the same and an installation method of a display control assembly of the door body. The door body comprises a panel, a door lining, an embedded box and the display control assembly. The panel is provided with a hollow window. The front end of the embedded box is provided with an installation opening opposite to the hollow window, and the embedded box is arranged between the panel and the door lining. The display control assembly is provided with a touch display screen, a base plate used for fixing the touch display screen and a display outer frame located on the front side of the base plate, and the touch display screen, the base plate and the display outer frame are configured to be sequentially installed into the embedded box from front to back through the hollow window and the installation opening. The display outer frame is in clamped connection with the embedded box. The base plate is in fastened connection with the embedded box through a fastener. The installation method comprises the steps that the touch display screen is fixed to the base plate, the base plate and the touch display screen fixed to the base plate are installed into the embedded box from front to back through the hollow window and the installation opening, and the display outer frame is installed into the embedded box from front to back through the hollow window and the installation opening. The refrigerator comprises a box body and the door body.

The invention discloses a plate thickness self-adaption plate-typed bandage which comprises a fixing pedestal, a tie, a support plate and a connector; the tie stretches freely from the fixing pedestal; the support plate is formed at the outer side of the fixing pedestal and stretches upwards in a slanting manner; the connector is arranged on the fixing pedestal and positioned above the support plate; the connector comprises a support arm which is connected to the fixing pedestal and at least two elastic buttons which stretch downwards in a slanting manner from the top part of the support arm; the outer side surfaces of at least two elastic buttons are respectively provided with at least two card bits; the vertical distance of at least two card bits which is higher than the highest point of the support plate is unequal; therefore, aiming at the plates with different plate thickness, different card bits can be chosen for fixation so as to realize the self-adaption of plates with different plate thickness.

The invention provides a disposable syringe. The disposable syringe comprises a sleeve, a push rod, a syringe needle and a piston, wherein the piston is connected to the lower end of the push rod, and is arranged in the sleeve together with the push rod in a sleeving way; the front end of the sleeve protrudes to form a medicinal liquid supply port; the syringe needle is separately combined with the medicinal liquid supply port; the bottom of the push rod is provided with a cavity of which the shape and size correspond to the syringe needle. After use, the syringe needle can be pressed into the corresponding cavity in the bottom of the push rod, so that the syringe needle is prevented from being taken out easily, repeated use of the disposable syringe can be prevented effectively, and the health of patients is protected effectively; meanwhile, potential harm due to random placement of the syringe needle after use is avoided.

The invention discloses a stamping die for a tank body that can be cooled, comprising: a stamping base, a clamping mechanism, a stamping die head, a cooling base, a cooling water tank, a top plate and a spring; The upper surface of the upper surface of the stamping tank is located on both sides of the stamping tank, and there are matching clamping mechanisms respectively. The stamping die head is set above the stamping tank, the cooling base is fixed on the lower surface of the stamping base, and the water outlet and water inlet on the cooling water tank pass through the The conduit communicates with the inside of the cooling base; the top plate is horizontally arranged in the stamping groove, and multiple springs are arranged between the top plate and the bottom surface of the stamping groove. The can body stamping die that can cool down overcomes the can body stamping die in the prior art. When the can body stamping die is in use, it is not easy to take out the can body from the stamping groove after stamping, and in the process of processing, the temperature on the mold is very high, and the continuous high temperature not only Problems affecting the quality of stamping products.

The invention discloses a specimen collection bag used for a minimally invasive surgery. The specimen collection bag comprises a transparent film plastic bag, a spring skeleton, a binding-off band, and a binding-off band lock catch. The spring skeleton is formed by a guiding head, a group of elastic support bands in the same length and tightening rings. The elastic support bands are distributed in an umbrella shape. The other end of each elastic support band is provided with the tightening ring, and one end is gathered on the guiding head. In a natural state, the spring skeleton is a conical skeleton. The binding-off band are divided into left and right symmetric segments and the left and right segments are provided with barbs. The binding-off band lock catch is a hollow cone-frustums shell. The top of the cone is provided with a non-return hole. The transparent film plastic bag covers and is fixed on the inner wall of the conical skeleton. The binding-off band passes through the tightening ring of each elastic support band in sequence. The left and right symmetric ends pass through the corresponding non-return hole of the binding-off band lock catch. The specimen bag can automatically open a bag opening, and directions of a specimen long axis and a bag body long axis are adjusted and kept consistent. The specimen bag has a function of increasing diameter of an incision when passing through a minimally invasive incision, so as to reduce surgery operation steps of doctors, reduce surgery operation difficulty, and reduce surgery risks.

The invention discloses a non-return device for flow regulation, which comprises a water inlet end, a water outlet end and a body communicated with a water source, wherein a supporting seat is arranged in the body and comprises a mounting and collecting groove, a through hole is formed on the groove surface of the mounting and collecting groove, and a mounting and connecting hole is formed at the center of the groove surface; and the non-return device further comprises a flow regulating part and a non-return sheet, wherein the flow regulating part is positioned in the mounting and collecting groove and positioned on the through hole, and can produce the elastic deformation under the action of water pressure for changing the flow area of the through hole; and a central shaft which adapts to the mounting and connecting hole is convexly arranged at the center of the non-return sheet, and can be affected by the water pressure for sealing the through hole or communicating the through hole with the water outlet end. The non-return device for flow regulation is suitable for automatic assembly, can improve the production efficiency and further has the advantages of compact structure and high sensitivity.

The invention discloses a wavy stopping block with a wearing plate and a method for preventing a steel spring from being broken. The vertical stopping block is positioned in the steel spring and comprises rubber, the wearing plate and a base. The wearing plate is embedded in the top of the rubber, and annular straight sections are arranged at the upper end of the rubber; annular arc sections are arranged below the annular straight sections and include inwardly sunken annular arc sections and outwardly protruded annular arc sections, and the inwardly sunken annular arc sections and the outwardly protruded annular arc sections are alternately distributed; the base is arranged at the lower end of the rubber; a concave hole is formed in the bottom of the rubber. The wavy stopping block and the method have the advantages that the stiffness, the variable stiffness and limiting positions of the vertical stopping block can be adjusted, so that vertical load borne by the steel spring can be reduced, metal fatigue of the steel spring in locomotive running procedures can be relieved, and accordingly the steel spring can be prevented from being broken; the vertical stopping block is firm in structure and has little possibility of being damaged, the wearing plate, the rubber and the base are tightly combined with one another and have little possibility of being loosened or separated, and the wavy stopping block and the method are wide in application range and high in universality.

The invention relates to an intercooler double-track welding device. A base plate (1) and a framework (2) are included. A rotation positioning unit (3), welding units (4), a lower supporting unit (5)and an upper pressing unit (6) are further included. A to-be-welded workpiece (7) is fixed to the lower supporting unit (5) through the rotation positioning unit (3) and the upper pressing unit (6). The welding units (4) on the two sides are used for welding, and after one face is welded, the rotation positioning unit (3) is used for overturning the workpiece (7) for welding of the other face. Compared with the prior art, the device is high in welding efficiency, double-track welding is conducted through the double-track and double-gun automatic welding device, left-right erecting frameworks are used for making left and right welding guns run along tracks, the welding guns run to the start position of the workpiece (7) to start welding, and after one side is welded, the workpiece (7) is overturned through a rotation hand wheel.

The invention discloses a cultivation method for improving the maturing rate and thousand seed weight of burdock, comprising five important links of choosing and preparing land, sowing in due time, field managing, scientifically topdressing and harvesting by stages, wherein in the link of choosing and preparing land: choosing alkaline loam or sandy loam plots with sufficient sun, deep and fertile soil layer and good drainage, ploughing in autumn, and applying base fertilizer; in the link of sowing in due time: sowing in the late May, and dipping seeds before sowing; in the link of field managing, thinning, final singling, intertilling, weeding and preventing and curing diseases and insect pests in time; topping and removing tips twice when a burdock plant is 55-65cm in the second year; and in the link of scientifically topdressing: topdressing twice in the second year. By utilizing the cultivation method, land can be scientifically and reasonably selected, sowing is carried out in due time, the rate of emergence is ensured, and the reasonable planting density of unit area is guaranteed. The scientific field management creates a favourable growth environment for the burdock; by utilizing the measures of topping and removing tips, scientifically applying fertilizer and cultivating by stages, the maturing rate and thousand seed weight of the burdock are improved and the economic benefit is obvious.

The invention discloses a novel compound building template. The novel compound building template comprises a base plate, plastic connecting columns and plastic compound layers, wherein through holes for array processing are fully distributed on the base plate; the plastic connecting columns penetrate into the through holes of the base plate; the plastic compound layers are respectively adhered to the upper and the lower surfaces of the base plate tightly, and connected with the plastic connecting columns to form integral structures. The plastic compound layers on the upper and the lower surfaces of the building template are used for pressing the base plate to a middle layer by the plastic connecting columns; the plurality of the plastic connecting columns which are integrated with the plastic compound layers can be used for generating strong riveting force as rivets to fasten up the base plate between plastic surface layers to form the integral firm structure of the building template; the plastic layers of the surface layers are easy to de-mould, and the base plate can be used for providing big bearing capacity. The novel compound building template is difficult to corrupt, unlikely to deform, light in weight, reliable in strength, good in processing performance, 10 times or more than the common bamboo-wood building template in service life and extremely good in de-molding performance, thereby greatly improving the construction efficiency, saving the materials and the construction cost, ensuring the surface of a concrete component to be flat and smooth, and achieving high cost performance.

The invention discloses distribution equipment for tuna cold-chain logistics, and belongs to the technical field of cold-chain logistics transportation. The distribution equipment for tuna cold-chainlogistics comprises a distribution box, a moving mechanism and a control mechanism, wherein the distribution box comprises a main box and a pull type door which are connected slidably; a cold storagebody is built in the pull type door; a regulating mechanism is arranged in an inner cavity of the cold storage body; the telescopic moving mechanism is arranged on the bottom of the distribution box;a carrying mechanism is arranged on the upper surface and the opposite side face of an opening side of the main box; and the control mechanism is conducted to a sealing space formed by the main box and the pull type door and the moving mechanism through an air channel. The distribution equipment for tuna cold-chain logistics solves the problems that during tuna-preservation transportation, the meat quality and the appearance are affected by bumping and colliding, frozen ice is hard to take out, and incompletion in vacuum sterilization is caused; the occurrence of the phenomenon that the meat quality is affected by the temperature difference produced by mis-operating switching for ventilation is avoided; a refrigeration material is environmental-friendly and recyclable; an ordinary truck can be adopted for regional order allocation; and a single cabinet is ventilated independently, so that the distribution equipment for tuna cold-chain logistics is applicable to the requirements on transporting under different road conditions and preserving at different temperatures, and is capable of realizing the functions on quickly loading and transporting, delivering goods at any time, stably transporting, and conveniently taking out the goods.

The invention relates to an adjustable grinding device for oil cylinder barrel machining. The device comprises a fixing device and a collecting device arranged above the fixing device, the fixing device comprises a fixing table and a connecting table, sliding grooves are formed in the two sides of the surface of the fixing table, and fixing plates are fixedly connected to the positions, located at the two ends of the sliding grooves, of the surface of the fixing table. In the adjustable grinding device for oil cylinder barrel machining, chippings on the inner wall of an oil cylinder body can be scraped away through an arranged scraping part, and the scraped chippings are guided into a collecting part so that the chippings in the oil cylinder body can be rapidly cleaned away, and the problems that when an existing grinding device conducts grinding, the chippings cannot be collected, and the problems that after grinding, workers need to clean away the chippings on the inner wall of the cylinder body, the diameter of a cylinder opening of some cylinder bodies is smaller than the diameter of the interior of the cylinder bodies, the chippings are not likely to be taken out, and then the labor force of the workers is increased are solved.

The invention provides a split bolt casing pipe device for building. The split bolt casing pipe device comprises a casing pipe, end bolts, supporting pieces, springs and sealing rings. The end bolts are screwed at the two ends of the casing pipe through threads, the supporting pieces are further fixed at the two ends of the casing pipe, sealing grooves are formed between the supporting pieces and the casing pipe, and the springs and the sealing rings are arranged in the sealing grooves. The split bolt casing pipe device has the beneficial effects that the structure is simple, using is convenient, formwork positioning is precise, and the thickness of a steel bar protecting layer in the construction process can be effectively controlled. The end bolts can be directly taken out after concrete pouring construction is completed, gas-welding cutting is not needed, labor and working hours are saved, and the end bolts can be repeatedly used, so that materials are saved. The casing pipe is adjustable in length and suitable for pouring of concrete structures with various thicknesses. In addition, sealing slurry-leakage-preventing structures are arranged at the ends, in contact with boards, of the supporting pieces, on the one hand, the situation that the end bolts are bonded and fixed by leaking slurry and cannot be easily taken out is avoided, and on the other hand, the wall surface quality can be guaranteed.

The invention provides a shaping device for shaping an oil-gas well casing pipe. The device can realize the shaping of an underground casing pipe, and the service life of the casing pipe can be prolonged. The technical scheme of the shaping device is that the upper end of a connecting head is connected with an oil pipe; a body, a filtering screen, a support plate, a reset spring, a positioning sleeve and a shaft sleeve are sequentially arranged in an inner cavity of a casing from top to bottom; two hard support blocks are arranged in the axial direction of one side of the casing; an I-shaped inclined guide rail is arranged at one side of the body; the hard support blocks can slide on the inclined guide rail; a shaping prism is arranged at one side of the outer part of the casing; and the lower part of the casing is provided with a conical lead cone. During the shaping, the shaping device goes down to a casing pipe deformation position; a pump on the ground holds the pressure; the body is pushed to downwards move through the pressure of workover fluid; the hard support blocks outwards extend out to prop a pipe wall; and the shaping prism realizes the shaping under the rotating effect of the oil pipe. The shaping device has the advantages that the operation is simple; the sealing performance is good; the clamping prevention is realized; the service life is long; the shaping device can be used in repair work of ordinary casing damaged wells; and the utilization rate of an oil-gas well is improved.

The invention discloses a relay, which comprises a pedestal (1), a yoke (4), an armature (3), an elastic sheet (2), a push plate (5), a movable reed (6), and a static reed (7), wherein the yoke (4), the armature (3), the push plate (5), the movable reed (6), and the static reed (7) are all mounted on the pedestal (1); the yoke (4) is of a reversed L shape; one end of the yoke (4) is connected with the pedestal (1); the armature (3) is also of an L shape; the elastic sheet (2) is blocked on the pedestal (1); and the bending part of the armature (3) is tightened against the other end of the yoke (4); a locating structure is arranged on the pedestal (1); and the yoke (4) is arranged on the pedestal (1) through the locating structure. After the structure is adopted, the phenomenon that the yoke is separated from the pedestal is avoided; therefore, the normal working of the relay is guaranteed; meanwhile, the elastic sheet only applies a force on the bending part of the armature; and the acting force of the armature on the push plate is automatically adjusted, therefore, the relay is guaranteed to have very high working sensitivity.

The invention relates to a ground drilling machine capable of pumping soil and reducing sound for petroleum drilling and production. The ground drilling machine comprises a movable base, a second hydraulic rod and sound reducing cotton. A transmission box is arranged above the movable base, a control room is arranged on the left side of the transmission box, the transmission box and the control room are fixedly connected, and the transmission box and the movable base are movably connected. A support seat is arranged on the left side of the top end of the movable base, a main machine arm is connected to the top of the support seat, and a third hydraulic rod is disposed on the outer side of the main machine arm. The ground drilling machine has the beneficial effects that the ground drillingmachine adopts the arrangement of a drill bit, an internal thread, an external thread, a screw rod and the second hydraulic rod, the drill bit forms a detachable structure through the internal thread,the external thread and the screw rod, and before performing drilling and production work on an area to be subjected to drilling and production through the drill bit, the drill bit is subjected to screwing and fixing operation by an operator, so that the inner thread on the inner side of the top of the drill bit and the outer thread on the bottom end outer wall of the screw rod are screwed together.

The invention discloses a canister stamping die. The canister stamping die comprises a stamping base, a plurality of supports, clamping mechanisms, an air pump, a stamping die head and a stamping part. The supports are fixed to the lower surface of the stamping base, the upper portion of the stamping base is recessed downwards to form a stamping groove, and the clamping mechanisms matched with each other are arranged on the upper surface, on two sides of the stamping groove, of the stamping base. The stamping die head is arranged above the stamping base, the stamping part is detachably arranged on the lower surface of the stamping die head, and the air pump is fixed to the lower surface of the stamping base and communicated with the stamping groove through an air passage. By the canister stamping die, the problem of low operating efficiency caused by difficult and inconvenience in taking out canisters from the stamping groove with hands or clamps in use of a canister stamping die in the prior art is solved.

The invention discloses a grounding apparatus for an electric power detecting instrument. The grounding apparatus comprises a grounding wire seat, wherein the bottom of the grounding wire seat is connected with one end of a lever; the lever is hinged with a connecting shaft arranged in a middle part of a cement table; the other end of the lever is connected with a jacket top head; jacket top head is connected with the top of a grounding jacket; the lower end of the grounding jacket is connected with a jacket sharp end in a screw-jointing manner; a group of through holes are formed in the grounding jacket; the through holes are matched with grounding fixing claws; the grounding fixing claws are matched with claw positioning rings in the grounding jacket; the claw positioning rings are glued with the grounding fixing claws and the grounding jacket through an adhesive layer; and a grounding inner rod is arranged in the grounding jacket in a sleeving manner. The grounding apparatus for the electric power detecting instrument can be matched with ground firmly with a quite good anti-theft effect; it is quite hard to pull the grounding apparatus out of the ground by people who does not know the installation method; and in addition, the grounding apparatus has a good grounding and conductive effect, and can achieve a good lightning protection effect, thereby ensuring the use safety of the electric power detecting instrument.

The invention discloses an iodophor cotton swab box based on compression pushing. The iodophor cotton swab box comprises a box body, a box cover and a compression pushing mechanism, wherein an openingand a connecting cover are arranged on the box cover. The compression pushing mechanism comprises a power supply battery, a switch, a controller, a micro motor, a push rod and a push plate, wherein the power supply battery, the switch, the controller and the micro motor are arranged in a control box fixed on the surface of the box body, and the power supply battery is sequentially connected withthe switch, the controller and the micro motor; the output shaft of the micro motor is connected with one end of the push rod, and the other end of the push rod penetrates through the box body and then is fixedly connected with the push plate; and after the switch is started, the controller controls the output shaft of the micro motor to rotate and link the push plate on the push rod to push forwards, so that iodophor cotton swabs can move forward. According to the iodophor cotton swab box, the pushing function of the iodophor cotton swabs is realized, the contact area between the iodophor cotton swabs and air can be reduced, and inner cotton swabs are prevented from being easily taken out. The control function is realized by utilizing a simple circuit.

The invention belongs to the technical field of agricultural facilities, and particularly relates to a seedling cultivation plate which comprises a plurality of single plates spliced in sequence. Two sides of a plate body are symmetrically provided with a plurality of planting grooves formed in a concave downward mode respectively, the bottom of each planting groove is provided with a bottom plate capable of being taken out, one side of each single plate is provided with an insertion groove, the other side of each single plate is provided with an insertion strip, each insertion strip is inserted into the corresponding insertion groove in the adjacent single plate, and the bottoms of the planting grooves are provided with pushing-up holes. The bottom plates and the planting grooves are the same in shape and size. When the seedling cultivation plate is used, the bottom plates are placed in the planting grooves and covered with soil, seedling cultivation is carried out, seedlings can be directly taken from the single plates when the seedlings need to be taken out, or the bottom plates are directly taken out to take the seedlings out. Due to the fact that the seedling cultivation plate is used for a long time, it is possible that the bottom plates are not easily taken out, the bottom plates can be pushed up through the pushing-up holes, and through holes are used for drainage. The single plates are spliced when being used, so seedling cultivation in bulk is facilitated. The plate body can be disassembled when the seedlings are taken, operation is convenient to achieve, labor intensity is lightened, and work efficiency is improved.