38results about How to "No knots" patented technology

The invention provides a plastic reel convenient to use and relates to the field of plastic reels. The plastic reel convenient to use comprises a cylinder and two discs; the two discs are located at the two ends of the cylinder correspondingly; the surface, located between the two discs, of the cylinder is sleeved with two baffles; the two baffles are symmetrically arranged with respect to the central axis of the cylinder; the surfaces of the two discs are fixedly connected with fixing racks correspondingly; the two fixing racks are connected with each other through a wire transmission plate; a wire transmission groove is formed in the front face of the wire transmission plate; a sliding groove is formed in the wire transmission plate and located above the wire transmission groove; and a sliding block matched with the sliding groove is arranged inside the sliding groove; and roller grooves are formed in the top portion and the bottom portion of the sliding block correspondingly. The plastic reel convenient to use is simple in structure and operation; and a wire can be adjusted when the wire is wound, the wire is wound around the plastic reel more evenly, no knot occurs, and using is very convenient.

The invention relates to the field of dyeing equipment, in particular to a woolen sweater dyeing machine. The woolen sweater dyeing machine comprises a machine frame, wherein a rotary drum is arranged on the machine frame, the outside of the rotary drum is wrapped with a layer of outer housing, a power mechanism in driving connection with the rotary drum is arranged on the machine frame, and a dye atomization mechanism, an air pressure balancing mechanism and a steam heating mechanism are arranged on the machine frame. Two main baffles are arranged on the inner wall of the rotary drum at an interval, an auxiliary baffle is arranged between the adjacent main baffles, and one or more radial shifting rods are arranged on the radial end face of each main baffle. A feeding door is arranged on the rotary drum between one group of adjacent main baffles and the auxiliary baffle and on the outer housing. The woolen sweater dyeing machine is simple in structure, can effectively utilize the rotary drum to dye woolen sweaters, does not cause a knitting phenomenon, is stable in using performance and reduces the using amount of water for dyeing and discharge of dyeing wastewater.

The invention discloses a sewing machine provided with a thread passing device. The sewing machine provided with the thread passing device comprises a machine frame, a sewing machine handpiece, a transmission mechanism controlling the handpiece to conduct sewing, the thread passing device and a plurality of fasteners. The sewing machine handpiece and the transmission mechanism are arranged on the machine frame, and the thread passing device is fixed to the sewing machine handpiece through the fasteners. The thread passing device comprises a support, a platen, a connecting plate, a plurality of locating columns, pressing sheets, pressing ring blocks, threading shafts and air cylinders, wherein the platen is arranged at the bottom of the support, the connecting plate is arranged below the platen, the locating columns are arranged on the platen, the pressing sheets are connected to the locating columns respectively, each pressing ring block is arranged above the corresponding pressing sheet, each threading shaft is arranged between the corresponding pressing ring block and the corresponding pressing sheet, the pressing ring blocks and the pressing sheets can both move in the length direction of the threading shafts, a first threading hole is formed in each threading shaft, the air cylinders are connected to the upper portions of the pressing ring blocks respectively, and the air cylinders are fixed to the support. According to the sewing machine provided with the thread passing device, the adopted air cylinders exert balanced and stable force, the thread knotting phenomenon is avoided, the production efficiency of the sewing machine is guarnteed, and the production cost is reduced.

A fishing net comprises a fishing net body, a set of fishing net rope, a fishing net floater and a fishing net weight. The fishing net floater is a floating hose provided with multiple hollow air-bubble structures; the diameter of each hollow air-bubble structure is larger than the outer diameter of the hose; multiple hollow air-bubble layers and multiple solid partition layers are disposed inside the hose; the hollow air-bubble layers and the solid partition layer are in alternative arrangement. The fishing net weight is a sinking pipe which is composed of multiple hose sections connected by hose joints; each hose section is provided with a solid partition layer in the middle, and weight filling layers are arranged on two sides of the solid partition layer. The floater and the weight of the fishing net in the prior art can be replaced by two different hose structures; knotting of the fishing net with the floater and the weight which are of the hose structures is avoided when the fishing net is drew in or paid out and the fishing net is easy to arrange; thus, drawing-in and paying-out speed of the fishing net can be increased and fishing efficiency can be improved for fishermen. As the fishing net with the hose structures cannot be broken during use, service life of the fishing net is prolonged and cost is lowered.

The invention discloses auxiliary equipment for installation of communication equipment. The auxiliary equipment comprises a housing, a fixing plate is arranged in the middle of one end of the interior of the housing, a supporting block is arranged at the bottom of the fixing plate, first threaded holes are formed in the fixing plate, the fixing plate is detachably connected to a switch through the first threaded holes, and the switch is provided with second threaded holes which are matched with the first threaded holes. By arranging the fixing plate in the housing and forming the first threaded holes which correspond to the second threaded holes in the switch and are distributed in a triangle shape in the fixing plate, the switch can be fixed to the fixing plate through the first threadedholes and the second threaded holes, and the bottom of the switch is in contact with the supporting block so that the supporting block can support the switch, the effect of fixing the switch in the housing can be better, and the looseness between the switch and a box body cannot occur. Therefore, a cable connector is in good contact with the switch, and the normal use of the switch is ensured.

The coiling method for optical fiber in communication equipment comprises: after putting optical fiber into communication equipment, embedding the center segment of fiber into the fiber-embed slot on fiber-coil column to form smooth curve with odd inflection points; leading the optical fiber transfer the fiber smooth segment to side of the column; rotating the column to make the fiber on center segment ends twist the column with same direction. This invention solves the problem in current technology, convenient to dispatch and operate, saves space, and can continual coil accurately to store the optical fiber and save space.

The invention relates to a convenient-to-sort storage device for office. The convenient-to-sort storage device for office comprises a screen cabinet, a fixing mechanism, a drawer, a power supply mechanism, a clamping mechanism, a culture mechanism, a spray head and an illumination mechanism, wherein the fixing mechanism is arranged inside one side of the screen cabinet; the drawer is arranged under the fixing mechanism; the power supply mechanism is arranged at the lower part inside the screen cabinet; the culture mechanism is arranged above the power supply mechanism; the clamping mechanism is arranged on the top of the culture mechanism; the spray head is arranged at one end of the culture mechanism; and the illumination mechanism is arranged at one side inside the screen cabinet. The convenient-to-sort storage device for office has the advantages that the fixing mechanism is used, so that office files can be fixed; office file folders are arranged in a clamp; an electric telescopicrod can be used in an office room for driving the files at the upper part of the screen cabinet to downwards move to the middle position of the screen cabinet through the telescopic operation; then, asliding plate used for carrying the files can be pushed out of a cabinet body by using an electric slide block, so that an officer can take the files without standing up.

The invention relates to the field of dyeing equipment and in particular relates to a drum type dyeing machine suitable for dyeing woollen sweaters, leather, and the like. The drum type dyeing machine comprises a rack, a drum, a power mechanism, a dye adding device, an air pressure balance mechanism and a steam heating mechanism, wherein the outside of the drum is coated with a layer of outer shell; the drum is fixedly connected with the outer shell; a gap exists between the drum and the outer shell; driving levers are arranged on the inner circumferential wall of the drum; horizontal planes on which outer tangent lines of contact points of the driving levers and the inner circumferential wall of the drum are located and the driving levers form acute angles; one part of the driving levers and the other part of the driving levers have opposite directions when the drum rotates toward the same direction and passes the same position. The obtained drum type dyeing machine has the beneficial effects that a steam pipeline is only connected when the drum type dyeing machine is used; the drum type dyeing machine has a simple structure, can effectively dye the woolen sweaters by utilizing the drum, avoids knotting, dyeing defect, fuzzing and pilling, has stable usability and has the effect of reducing water for dyeing and discharge of dyeing wastewater.

The invention provides a technology for arranging and taking up a grounding measurement wire of a transformer substation grounding grid. The technology for arranging and taking up the grounding measurement wire of the transformer substation grounding grid comprises the following steps of determining the length of the current electrode and the length of the potential electrode according to the length of a diagonal of the grounding grid and the preset electrode arrangement method, determining the position of the current electrode and the position of the potential electrode, enabling a ground stud of the current electrode and a ground stud of the potential electrode to be earthed, leading out the measurement wire through a pay-off and take-up barrow and arranging the wire in the outward direction on the edge of the ground grid before ground resistance measurement of the ground grid, enabling the measurement wire of the pay-off and take-up barrow which is provided with a wire coil with the measurement wire coiled to be respectively connected with the ground stud of the current electrode and the ground stud of the potential electrode through test pincers, and taking up the wire through coiling the wire coil of the pay-off and take-up barrow in the inward direction on the edge of the grounding grid after the ground resistance measurement of the ground grid is finished. The invention further provides the pay-off and take-up barrow. The technology for arranging and taking up the grounding measurement wire of the transformer substation grounding grid and the pay-off and take-up barrow shorten the pay-off and take-up time, and therefore the efficiency of resistance measurement is improved.

The invention relates to a single-faced and double-thread composite material sewing device which comprises a thread pulling rod, a rotating shuttle, a thread guiding needle and a thread taking-up needle. When the thread guiding needle and the thread taking-up needle move to reach a lower limit, the thread guiding needle and the thread taking-up needle are intersected, and the thread taking-up needle is inserted into the space between an upper thread and the thread guiding needle through an oblique plane; when the thread guiding needle and the thread taking-up needle move to reach an upper limit, a hook groove takes up an upper thread loop, and a shuttle point reaches the position below the thread taking-up needle to hook the upper thread loop; when the shuttle point drives the upper thread loop to rotate for one circle and lock a bottom thread, the thread guiding needle and the thread taking-up needle firstly move downward and then upward move, the thread pulling rod firstly pays off a thread through forward swing and then pulls the thread through backward swing. The device can conduct single-faced sewing on a fiber laid composite material product provided with a complicated appearance curved surface or a plane having a certain thickness and form locked stitches on the surface, the formed stitches are smooth and free of thread knots, and a structure is stable and reliable.

The invention provides an easy-to-use plastic wire reel, which relates to the field of plastic wire reels. The easy-to-use plastic spool includes a cylinder and two discs, the two discs are located at two ends of the cylinder, respectively, and two stoppers are sleeved on the surface of the cylinder and between the two discs. Plate, the two baffles are symmetrically arranged with the central axis of the cylinder, the surfaces of the two discs are fixedly connected with a fixing frame, and the two fixing frames are connected by a transmission line, and the front of the transmission plate is provided with a transmission line. Wire slot, the inside of the wire feed plate and above the wire feed slot is provided with a chute, the interior of the chute is provided with a slider that matches the chute, and the top and bottom of the slider are provided with Has roller grooves. The easy-to-use plastic wire reel has simple structure and simple operation, and can adjust the cable when taking up the wire, so that the use of the cable wound on the plastic wire reel is more uniform, and the situation of knotting will not occur, and it is very easy to use. convenient.