32results about How to "Appropriate tightness" patented technology

The invention relates to a production process of cotton pulp for cellulose triacetate, in particular to a simple production process of cotton pulp using cotton linter as a raw material; in the whole pulping process, the wastewater COD discharge is as low as 20250-25050mg / l, so that the environmental pollution and sewage treatment pressure can be reduced; on the conditions of stable polymerization, high whiteness and alpha cellulose content, uniform fiber length and proper compactness, the product has low content of methylene dichloride extract and metallic ions, low ash content and low dust, thus being applicable to the industry for producing cellulose triacetate.

The invention relates to an outer speed change mechanism of an electric bicycle. The outer speed change mechanism of the electric bicycle mainly adopts the structure that a one-way device is arranged between a large fluted disc and a crank shaft; the one-way device is driven by cranks to drive the large fluted disc to perform unidirectional rotation so as to enable a rear wheel, the larger fluted disc and a chain to keep rotation at the same rotational speed; besides, a sensing device is used for sensing the size of the rotating speed of the real wheel, the large fluted disc or the chain; and once the rotating speed is too low, an electronic derailleur stops move, during which a rider can not realize gear shift by using a manual control method or an automatic control method, so as to ensure that a shift cable can remain in a appropriate tightness, and avoid the situation of chain falling at the same time.

The invention relates to a detachable support structure for a shed type clothes dryer. The detachable support structure comprises an upright post, a support seat fixed on the upper end of the upright post and at least one hanging arm laterally arranged on the support seat, wherein at least one plug hole is arranged on the upper end surface of the support seat from top to bottom; open slots communicated with each plug hole are arranged at the position, corresponding to each plug hole, on the external surface of the support seat from the upper end surface to bottom; at least one connection block, which is matched with the open slots, and insert rods, which extend vertically downwards relative to the hanging arms and are matched with the plug holes, integrally and sequentially extend on the internal ends of the hanging arms; and the hanging arms are downward inserted into the plug holes and the open slots through the connection blocks and insert rods at the internal ends. According to the support provided by the invention, the volume of the support seat is reduced, the detaching of the entire support is facilitated and the support is convenient for storage, package and transport. Theentire support has a full rod-shaped external surface and hollow inside, thus the strength of the hanging arms is guaranteed, the hanging arms have smooth surface, the structure is contributed to being held by a user, and the surface has small possibility of generating dust.

A breathing mask comprises a support unit, a mask unit, an adjusting unit, a connecting unit and a headband unit. The support unit comprises a forehead fixing support and an extending frame. The mask unit comprises a cover frame and a mask pad; the adjusting unit comprises an adjusting sheet arranged at the upper end of the cover frame and an inserting pin arranged on the extending frame; the connecting unit comprises pivoting portions located below left and right sides of the extending frame, pivoting rods located below the left and right sides of the cover frame and buckle seats located below the left and right sides of the extending frame; the headband unit comprises a band and a pair of bucklers. The connecting unit is capable of achieving the double purposes of pivoting the support unit and the mask unit and connecting the headband unit and the support unit, the proper tightness of the headband unit can be maintained through the position of the connecting unit, and the effects of facilitated usage and simple appearance can be achieved.

The invention relates to the technical field of lithium ion batteries, in particular to a ternary precursor and a preparation method and an application thereof. The ternary precursor comprises a compact inner core and a loose radial shell which extends and grows from the inner core. As the obtained ternary precursor shell is loose and radial, stress can be released through the radial shell in the use process, so that cracks caused by particle breakage during circulation are avoided, the circulation characteristic of the ternary precursor is further improved, the loose shell can increase diffusion channels of lithium ions, When the material is used for preparing the positive electrode material of the lithium ion battery, the first charge-discharge performance and the cycle performance of the lithium ion battery can be remarkably improved.

The invention discloses a flammulina velutipes cultivation bottle. The flammulina velutipes cultivation bottle comprises a bottle body (1), a bottle lid assembly and a second bottle lid (4), wherein the bottle lid assembly is connected with the bottle opening (11) of the bottle body (1) in a matching manner; the bottle lid assembly at least comprises a first bottle lid (2) connected with the bottle opening (11) in a matching manner; the second bottle lid (4) is connected with the first bottle lid (2) in a matching manner; ventilation channels for communicating the interior of the bottle with the exterior of the bottle are formed on the first bottle lid (2) and between the first bottle lid (2) and the second bottle lid (4); the ventilation channels are provided with filter screens. The flammulina velutipes cultivation bottle has the ventilation channels for communicating the interior of the bottle with the exterior of the bottle; the ventilation channels are provided with the filter screens; the flammulina velutipes cultivation bottle can be sterilized through a pulse vacuum sterilizer. The flammulina velutipes cultivation bottle has the advantages of thorough sterilization, high operating efficiency, and energy, manpower and material conservation.

The invention discloses a cutting cultivating method of thevetia peruviana. The method comprises the following steps: (1) applying a naphthylacetic acid solution to 1cm to 2cm of a stem base of each thevetia peruviana cutting strip; (2) perforating holes in a cutting medium of a cutting bed, and inserting the thevetia peruviana cutting strips into the holes; (3) cultivating the cut thevetia peruviana for 30 days under the condition of 20 to 25 DEG C and relative humidity of 80 to 85 percent, and applying carbendazim one time every ten days; the cutting medium in the step (2) is prepared by a following method: taking yellow soil in the depth of 1m, exposing the yellow soil, crushing the yellow soil, mixing the yellow soil with sawdust according to a weight ratio of 6: 4 by continuously watering the mixture to maintain wet, and adding disinfectant and uniformly stirring the disinfectant and the yellow soil.

The invention discloses a diabetes treatment auxiliary device for the endocrinology department. The diabetes treatment auxiliary device comprises an outer cloth layer and is characterized in that massage balls are mounted on one side of the outer cloth layer, an electric hot compress layer is mounted on one side of the massage balls, the outer surface of the outer cloth layer is provided with injection holes, a controller is mounted on the outer side of one end of the outer cloth layer, the outer side of the controller is provided with a charging hole, and a first connecting belt is mounted at one end of the outer cloth layer. The diabetes treatment auxiliary device has the advantages that the tightness of the device can be adjusted by a series of structural design to be suitable for a patient, the patient can conveniently and fast wear the device, the device is applicable to patients of different body sizes, the body of the patient can effectively absorb insulin by massage after insulin injection, and subcutaneous induration caused by long-term subcutaneous injection can be effectively prevented by hot compress.

The invention discloses an impact adjustable internal puller, which comprises a handle rod, an adjusting rod, an impact hammer and a clamping claw component, wherein the handle rod is constituted by a hollow circular tube; the front end of the handle rod is welded with a supporting frame, and the rear end of the handle rod is provided with a handle; the root part of the handle is welded with a fixed disc; the supporting frame consists of a left lug seat and a right lug seat; the impact hammer is sleeved on a polished rod part of the handle rod; the clamping claw component consists of a left pulling claw, a right pulling claw, and a tension slide block and a tension spring which are arranged between the left pulling claw and the right pulling claw; the middle part of the tension slide block is provided with a threaded hole; the adjusting rod is constituted by an iron stick and is penetrated in the handle rod; the front end of the adjusting rod is provided with a threaded head, and the rear end of the adjusting rod is provided with a hexagon nut; the threaded head at the front end of the adjusting rod is screwed with the threaded hole on the middle part of the tension slide block; and the hexagon nut at the rear end of the adjusting rod is pressed against an orifice at the rear end of the handle rod. The product is smooth to operate, convenient and easy to use, fast to disassemble, time-saving and labor-saving and is suitable for disassembling bearings of various specifications.

The invention relates to a high-power storage battery, and particularly discloses a nickel-hydrogen elementary battery as well as a storage battery provided with the nickel-hydrogen elementary battery. The nickel-hydrogen elementary battery comprises an outer insulating sleeve, a diaphragm and a pair of positive and negative plates, wherein the positive and the negative plates are basebands, the surfaces of which are coated with active materials corresponding to positive and negative electrodes; the nickel-hydrogen elementary battery is characterized in that the upper end part or the lower end part of the baseband serves as a tab, and the other part serves as a coating surface; the diaphragm, the size of which is matched with that of the coating surface, is arranged between the positive plate and the negative plate; the coating surface is formed on the opposite side of the two tabs and extended from the two tabs and wound to form a cuboid body; and the outer insulating sleeve is wound around the periphery of the cuboid body.

The invention discloses a protective device for an electric exhaust gas recirculation (EGR) valve. The protective device comprises a body matched with a linear sensor shell of the electric EGR valve; the top of the body is provided with a top cover used for protecting the side wall of the linear sensor shell; and the top cover is fixedly connected with a handle perpendicular to the top cover. The protective device is simple in structure and low in cost, and is applied to the electric EGR valve to protect a linear sensor, can ensure that the electric EGR valve is not damaged or deformed in the transportation process, and effectively solves the problem that the valve fails caused by failure of the linear sensor.

The invention discloses a high-efficiency low-cost industrial full-automatic capping machine which comprises a machine frame, a conveying device, a control device, a support device, a cap feeding device and a tightening device, wherein the cap feeding device, the tightening device, the support device and the conveying device are arranged on the machine frame from top to bottom in sequence; the support device comprises an inner support device and an outer support device; an ultrasonic detector is arranged above the inner support device; one side end part of the tightening device is arranged in a sliding way; rotary chains are arranged on the inner side of the other side end part of the tightening device; and pressure sensors are arranged on the rotary chains. The high-efficiency low-cost industrial full-automatic capping machine can realize automation of a capping process, can well control the cap tightening degree, reduces the production cost and the working difficult, increases the working efficiency and has good practicability and a large application range.

The invention relates to a strip light system, having an elongated carrier rail (1), which extends along a longitudinal axis (L) and has a U shape in a cross section normal to the longitudinal axis (L) as viewed in a first approximation, so that a first U leg (2), a second U leg (3) and a connecting leg (4), which connects the two U legs (2, 3) to one another, are formed, wherein at least one pass-through opening (5, 5′) is formed in the connecting leg (4), and also having at least one luminaire, which is designed to be connected to the carrier rail (1), wherein at least one cover element (6), which is designed to be mounted on the carrier rail (1) so as to cover the at least one pass-through opening (5, 5′), is provided.

The invention relates to a detachable support structure for a shed type clothes dryer. The detachable support structure comprises an upright post, a support seat fixed on the upper end of the upright post and at least one hanging arm laterally arranged on the support seat, wherein at least one plug hole is arranged on the upper end surface of the support seat from top to bottom; open slots communicated with each plug hole are arranged at the position, corresponding to each plug hole, on the external surface of the support seat from the upper end surface to bottom; at least one connection block, which is matched with the open slots, and insert rods, which extend vertically downwards relative to the hanging arms and are matched with the plug holes, integrally and sequentially extend on the internal ends of the hanging arms; and the hanging arms are downward inserted into the plug holes and the open slots through the connection blocks and insert rods at the internal ends. According to the support provided by the invention, the volume of the support seat is reduced, the detaching of the entire support is facilitated and the support is convenient for storage, package and transport. The entire support has a full rod-shaped external surface and hollow inside, thus the strength of the hanging arms is guaranteed, the hanging arms have smooth surface, the structure is contributed to being held by a user, and the surface has small possibility of generating dust.

The invention discloses an automatic bean vermicelli folding and binding machine and a bending method. The binding machine comprises a rack, a folding mechanism, a clamping shift mechanism and a binding mechanism, the folding mechanism is arranged at the front end of the binding mechanism, and the clamping shift mechanism is arranged above the binding mechanism. The binding method includes that the bean vermicelli is placed between a block pressure bar and a bending push trough; the bean vermicelli is bent in the shape of 'U'; the bean vermicelli is bent to the right side; the bean vermicelli is bent to the left side; a right-bending plate is reset; the bean vermicelli is clamped through the clamping shift mechanism; a left-bending plate is reset, the block pressure bar is allowed to descend, small to-be-bound bundles of the bean vermicelli are shifted out through the clamping shift mechanism to be bound, the block pressure bar is reset, and the bending mechanism is reset as well. By the arrangement, automatic folding, shifting and binding of the bean vermicelli can be realized, folding and binding efficiency is high, overall dimensions of the bean vermicelli are identical, elastic degrees of the bean vermicelli with less burr is appropriate, binding ropes are tied on lateral sides of the small bundles of the bean vermicelli, aesthetic effect of the bean vermicelli is unaffected when the small bundles of the bean vermicelli are put into transparent bags, workers are avoided touching the bean vermicelli during the working process, and further safety and sanitation in food is realized.

The invention relates to a strip light system, having an elongated carrier rail (1), which extends along a longitudinal axis (L) and has a U shape in a cross section normal to the longitudinal axis (L) as viewed in a first approximation, so that a first U leg (2), a second U leg (3) and a connecting leg (4), which connects the two U legs (2, 3) to one another, are formed, wherein at least one pass-through opening (5, 5′) is formed in the connecting leg (4), and also having at least one luminaire, which is designed to be connected to the carrier rail (1), wherein at least one cover element (6), which is designed to be mounted on the carrier rail (1) so as to cover the at least one pass-through opening (5, 5′), is provided.

The invention discloses a constant tension filament feeder for a nylon monofilament. The constant tension filament feeder comprises monofilament pan heads, motors, input pulleys, output pulleys, weight pulleys, sensor groups, input sensors, output sensors and controllers, wherein the nylon monofilament is wound inside the monofilament pan heads and connected with the motors in a transmission manner; the nylon monofilament sequentially passes through the input pulleys, the weight pulleys and the output pulleys and is fed to a nylon molding machine after being led out from the monofilament pan heads; the input sensors detect the rotating speeds of the input pulleys; the output sensors detect the rotating speeds of the output pulleys; each sensor group at least comprises an upper limit sensor and a lower limit sensor, and the controllers are connected with the motors and control the rotating speeds of the motors according to signals of the input sensors, the output sensors and the sensor groups, so that the weight pulleys are between the upper limit sensors and the lower limit sensors. Compared with the prior art, constant static tension can be achieved in a pulley weighting manner by control, so that the product quality is ensured.

The invention discloses an oral trachea cannula fixer. The oral trachea cannula fixer comprises a mask and a binding strap and is characterized in that a cannula fixing hole is formed in the middle of the mask, a fixing cover is arranged on the right side of the cannula fixing hole, an adjusting frame is arrange on the left side of the cannula fixing hole, a compression block which can move relative to the fixing cover to compress a trachea cannula to the fixing cover is arranged in the cannula fixing hole, the left and right lateral walls of the adjusting frame are provided with guide holes, an adjusting screw which can rotate and move leftwards and rightwards in the guide holes penetrates the guide holes, one end of the adjusting screw is inserted into the cannula fixing hole and rotatably connected with the compression block, the other end of the adjusting screw extends out of the left side of the adjusting frame, an adjusting plate which can be pressed downwards is arranged between the left lateral wall and the right lateral wall of the adjusting frame, an avoiding hole allowing the adjusting screw to penetrate and used for avoiding the adjusting screw when the adjusting plate is pressed downwards is arranged in the adjusting plate, the adjusting plate is further provided with a threaded connecting part connected with the adjusting screw in a threaded manner, the threaded connecting part is disconnected with the adjusting screw to allow the adjusting screw to fast slide leftwards and rightwards when the adjusting plate is pressed downwards, and time can be saved.

The thread take-up mechanism of thickness variable sewing needle bar includes one installation rack with one transverse installing shaft and one thread clamping spacer and one thread clamping nut to form one thread gap in between; one transversely sliding rod with two limiting rings and one thimble in the head; one shifting block hinged to the rack for shifting the thread clamping spacer and one tension spring to connect the shifting block to the sliding rod; and one wedge block to push the sliding rod to slide and fixed on the frame of sewing machine in the location corresponding to the lowest position of the sewing needle. The present invention completes the complicated mechanical operation of varying sewing thickness and increasing the needle stroke.

The invention discloses a method for preparing Fuzhuan tea from strip-shaped black crude tea. The method comprises the following steps: S1, preparing a black tea raw material; S2, performing weighing:performing weighing according to the capacity of a selected stirrer, and recording the net weight of the black tea raw material; S3, adding water and performing stirring: putting the weighed black tea raw material into the stirrer, and then weighing the weight of the added water according to the proportion that 22 jin of the water is added to 100 jin of the raw material; S4, performing weighing and tea steaming; S6, performing framing and cooling: after pressing is completed, detaching a fixing device, taking down brick tea, putting the brick tea into a special wooden frame, and performing cooling for 10-12 hours under natural conditions; S7, performing spawn running and drying: (1) preparing a spawn running and drying chamber; (2) measuring the moisture content of the brick tea; (3) controlling the temperature and humidity of spawn running and drying; and S8, packaging finished products. The Fuzhuan tea prepared by the method is moderate in appearance tightness, dense in eurotium cristatum, free of sundry fungi, pure in fragrance, pure in fungus flower fragrance, mellow and normal in taste, orange yellow and bright in soup color, yellowish brown in leaf bottom and complete in leaf, and the eurotium cristatum is greater than or equal to 2.5*10 <7> / CFU / g.

The invention belongs to the technical field of sunglasses, and particularly relates to large-frame polarized sunglasses, which comprise a glasses frame and lenses, wherein the glasses frame is composed of a nose bridge, glasses rings, pile heads, nose pads, hinges and glasses legs, and the nose bridge is composed of a first soft rod, a second soft rod and a box body. The first soft rod and the second soft rod are matched with the action of the roller, so that the first rod and the second rod move together and have the same moving distance, the distance between the two glasses rings is adjusted, the distance between the two glasses legs is further adjusted, the tightness between the two glasses legs is adjusted, and the glasses rings move synchronously and have the same moving degree; therefore, the large-frame polarized sunglasses are suitable for more people to wear and have proper tightness.

The invention discloses a rope winding device of hoisting equipment for a power cable. The rope winding device comprises a support base, a winding drum, a shaft seat, a winding drum rotating shaft, adriving motor, an auxiliary winding device, a longitudinal mounting frame, an auxiliary bulldozing device and a transverse mounting frame. According to the rope winding device, through the arrangementof the auxiliary winding device, a cable is firstly stretched through an auxiliary drum when wound, and a tightness adjusting mechanism rotates to adjust the tightness of the cable according to the actual situation, so that the tightness is proper after the cable is wound, the damage to the cable is reduced, and the subsequent processing is facilitated; furthermore, through the arrangement of theauxiliary bulldozing device, the cable wound on the winding drum is bulldozed through the rotation of an upper bulldozing drum and a lower bulldozing drum, and the cable can be uniformly wound on thewinding drum; and meanwhile, through the arrangement of a pressure pushing device, the upper bulldozing drum and the lower bulldozing drum can be more stable, the cable can be better bulldozed, and the winding uniformity of the cable is guaranteed.

The invention provides a nylon or polyester covering spandex method for yarn-dyed, knitted and piece-dyed fabrics. The steps are: 1) pouring yarn: pouring the nylon or polyester raw yarn into an aluminum tube for a covering machine; 2) parameters Settings: Set parameters such as drafting gear, feeding gear, crimping gear, etc. 3) Spandex covering: Air humidity is 60‑75%, yarn density is 0.35‑0.55g / cm 3 , covering machine spindle speed 8000‑16000 rpm, drafting line speed 18‑25m / min, yarn crimp rate 89‑96%, covering twist 350‑900 twists, draft ratio 2.0‑3.6 times, wrapping Yarn speed 15-27m / min, nylon or polyester denier 20D-200D, covered yarn elasticity 60-75%, tension 9-25cN; 4) Lifting head: the spindle passes through the pre-drafting roller, the feeding roller, etc. Finally, the center line is the same with the ring guard, and the cradle is dropped to complete the yarn wrapping.

The invention relates to a production process of cotton pulp for cellulose triacetate, in particular to a simple production process of cotton pulp using cotton linter as a raw material; in the whole pulping process, the wastewater COD discharge is as low as 20250-25050mg / l, so that the environmental pollution and sewage treatment pressure can be reduced; on the conditions of stable polymerization, high whiteness and alpha cellulose content, uniform fiber length and proper compactness, the product has low content of methylene dichloride extract and metallic ions, low ash content and low dust, thus being applicable to the industry for producing cellulose triacetate.

The invention relates to a high-power storage battery, and particularly discloses a nickel-hydrogen elementary battery as well as a storage battery provided with the nickel-hydrogen elementary battery. The nickel-hydrogen elementary battery comprises an outer insulating sleeve, a diaphragm and a pair of positive and negative plates, wherein the positive and the negative plates are basebands, the surfaces of which are coated with active materials corresponding to positive and negative electrodes; the nickel-hydrogen elementary battery is characterized in that the upper end part or the lower end part of the baseband serves as a tab, and the other part serves as a coating surface; the diaphragm, the size of which is matched with that of the coating surface, is arranged between the positive plate and the negative plate; the coating surface is formed on the opposite side of the two tabs and extended from the two tabs and wound to form a cuboid body; and the outer insulating sleeve is woundaround the periphery of the cuboid body.

The invention discloses an automatic bean vermicelli folding and binding machine and a bending method. The binding machine comprises a rack, a folding mechanism, a clamping shift mechanism and a binding mechanism, the folding mechanism is arranged at the front end of the binding mechanism, and the clamping shift mechanism is arranged above the binding mechanism. The binding method includes that the bean vermicelli is placed between a block pressure bar and a bending push trough; the bean vermicelli is bent in the shape of 'U'; the bean vermicelli is bent to the right side; the bean vermicelli is bent to the left side; a right-bending plate is reset; the bean vermicelli is clamped through the clamping shift mechanism; a left-bending plate is reset, the block pressure bar is allowed to descend, small to-be-bound bundles of the bean vermicelli are shifted out through the clamping shift mechanism to be bound, the block pressure bar is reset, and the bending mechanism is reset as well. By the arrangement, automatic folding, shifting and binding of the bean vermicelli can be realized, folding and binding efficiency is high, overall dimensions of the bean vermicelli are identical, elastic degrees of the bean vermicelli with less burr is appropriate, binding ropes are tied on lateral sides of the small bundles of the bean vermicelli, aesthetic effect of the bean vermicelli is unaffected when the small bundles of the bean vermicelli are put into transparent bags, workers are avoided touching the bean vermicelli during the working process, and further safety and sanitation in food is realized.

The invention discloses an intelligent thoracolumbar brace. The intelligent thoracolumbar brace comprises a front piece and a back piece, wherein the front piece is attached to the chest and the abdomen of a human body, the back piece is attached to the back and the waist of the human body, each of the front piece and the back piece comprises a grid-like airbag, a pressure sensor A is arranged ineach grid-like airbag, and a pressure sensor B is arranged on the inner side wall of each of the front piece and the back piece; and the intelligent thoracolumbar brace further comprises a processingunit and a voice unit, and the pressure sensors A, the pressure sensors B and the voice unit are all electrically connected with the processing unit. The intelligent thoracolumbar brace is good in airpermeability, convenient to wear and capable of providing guide for a wearer.