33results about How to "Not easy to retract" patented technology

The invention discloses a screwdriver belonging to a hand tool and comprising a handle, a runner-shaped screwdriver head frame, a push rod and a pushing button assembly, wherein the push rod extends to an accommodating hole of the screwdriver head frame for pushing a screwdriver head in the accommodating hole to a screwdriver head sleeve on the handle until the screwdriver head extends out of the screwdriver head sleeve when the pushing button assembly is positioned on a first positioning part in the front of a sliding way on the handle, and the push rod is positioned at the rear side of the screwdriver head frame and drives the screwdriver head to the accommodating hole when the pushing button assembly is positioned at the rear part of the sliding way on the handle. The invention has less parts and a simple structure; the screwdriver head is replaced from the screwdriver head frame by only rotating the screwdriver head frame and pushing the push rod to move front and back without separating the screwdriver head frame from the handle, thus the screwdriver is simple and easy to operate; and the screwdriver head frame assembled on an installing position can be seen through a seam on the handle, therefore, the screwdriver head required using can be accurately transferred to correspond to the push rod and pushed out by using the push rod.

The invention discloses an anti-falling assisting and walking aiding crutch which includes a crutch handle, a crutch rod and four leg supports. The crutch handle is telescopically connected to the upper end of the crutch rod, the four leg supports are arranged into two groups and are connected to the lower end of the crutch rod, the crutch rod is provided with a foldable and up-and-down turning auxiliary foot support, universal rollers are arranged on the auxiliary foot support, and a retractable pulley is arranged below the crutch rod. According to the anti-falling assisting and walking aiding crutch, structural innovation is made based on existing crutches; by rotating the crutch rod, the relative motion principle is used for enabling one group of leg supports to rise along the crutch rod so that the leg supports can be adjusted to the appropriate height to enable the two groups of leg supports to be opposite to each other, the leg supports are clamped to stair armrests, then butterfly nuts are used for locking, the condition that an old person pushes the crutch rod to assist the old person in going upstairs, and assistance in advancing and supporting of the old person can be achieved through signal operation. The anti-falling assisting and walking aiding crutch is delicate in structure, simple in operation, convenient to install, reliable in working performance and suitablefor the old person.

The invention discloses an LCP high-frequency substrate having the high-Dk and low-Df characteristic. The LCP high-frequency substrate comprises at least one copper foil layer, at least one high-dielectric LCP core layer and at least one high-dielectric glue layer, wherein the high-dielectric LCP core layer is arranged between the copper foil layer and the high dielectric layer, the high dielectric LCP core layer is a core layer with a Dk value being 6-100 and a Df value being 0.002-0.010, the high dielectric glue layer is a glue layer with a Dk value being 6-100 and a Df value being 0.002-0.010, the thickness of the copper layer is 1-35 micrometers, the thickness of the high dielectric LCP core layer is 12-100 micrometers, and the thickness of the high dielectric glue layer is 12-100 micrometers. The high dielectric LCP core layer and the high dielectric glue layer both have the high-Dk and low-Df characteristics, thus, the fabricated LCP high-frequency substrate has excellent high-speed transmission, low loss, high-Dk and low-Df performance, low roughness, the ultralow water absorption rate, low elastic force suitable for high-density assembly, favorable UV laser drilling capability and the excellent mechanical property.

The invention relates to an ostomy instrument. The ostomy instrument comprises a cutting device and a grabbing device. The cutting device sleeves the grabbing device and comprises a tubular first supporting portion and a rotary cutting portion, and the cutting portion is connected with the first supporting portion which slidably sleeves the grabbing device. The cutting portion comprises at least one cutting unit which comprises a connection end, a free end and a connection part, the connection end is connected with the first supporting portion, the connection part is connected between the connection end and the free end, the connection part extends in a direction away from the first supporting portion and extends outwards radially, and the connection part is capable of retracting in a direction close to the center axis of the first supporting portion. By application of the ostomy instrument which is a septostomy instrument to septostomy, simplicity in positioning, convenience in ostomy, large stoma diameter and less proneness to resilience of peripheral stoma tissues are realized.

The invention discloses a telescopic spontoon which comprises a spontoon body (1) and a handle (2). A cavity is formed in the spontoon body (1), and an inner spontoon (3) and an ejecting device (4) are arranged in the cavity. The inner spontoon (3) is placed on the ejecting device (4), and an ejecting button (5) for controlling the ejecting device (4) is arranged on the handle (2). When the telescopic spontoon is used, the inner spontoon can be ejected out by the ejecting device and clamped at an opening of the spontoon body only by opening an upper cover and pressing the ejecting button, operation is convenient to carry out and the inner spontoon is not prone to retraction.

The invention relates to battery cell manufacturing equipment and a method thereof. The battery cell manufacturing equipment is used for manufacturing a battery cell, the battery cell comprises a first pole piece, a second pole piece and a diaphragm, the battery cell is provided with a winding starting section located on the inner side, and the battery cell manufacturing equipment comprises a winding needle configured to wind the first pole piece, the second pole piece and the diaphragm to form the battery cell; and the discharging assembly is configured to take down the battery cell from thewinding needle, the discharging assembly comprises an inner side heating needle, and the inner side heating needle is configured to abut against and heat the winding starting section, so at least oneof the first pole piece and the second pole piece of the winding starting section is thermally compounded with the diaphragm. The battery cell manufacturing equipment provided by the invention aims tosolve a problem of lithium precipitation in the inner ring part of the battery cell.

The invention relates to male health care underpants, in particular to non-pressure isolated male health care underpants which consist of an internal top fly piece provided with a penis hole and an external top fly piece provided with a penis cavity, an upper operation pocket and a urine port, are capable of independently isolating the scrotums from the penis and externally accommodating the penis or internally accommodating the penis in a hidden mode, have high anti-fouling property and can be used as ordinary underpants as well as health care underpants. The front part of the underpants is provided with an inner layer top fly and an outer layer top fly to form a pocket-form isolating layer; the lower part of each layer of top fly is pocket-shaped; a penis position on the internal top fly is provided with a penis door, while the penis position on the external top fly is provided with the penis cavity; and the waist of the underpants at an upper end is provided with an operation pocket of which the lower side is provided with the urine port. In the non-pressure isolated male health care underpants, the scrotums and the penis can be independently isolated from each other and the penis conveniently extends into the pocket-shaped isolating layer without retracting into the underpants easily, so air permeability between the scrotums and penis skin is improved. Furthermore, the penis cavity can release the penis and enlarge the moving space of the penis, so the penis cavity is beneficial to the development of the penis and the opening of praeputium penis, prevents pubic hairs from being drawn into the praeputium and increases frictional stimulation on the penis to further develop the penis and prolong the stimulation resistant excitation time of the penis. Toilet paper or medicinal wrappage can also be wrapped around the penis and a hypogastric region and are accommodated in the pocket-shaped isolating layer between the internal and external top flies.

The invention discloses a shoulder strap machine. The shoulder strap machine comprises a workbench assembly and a sewing assembly, and is characterized by also comprising a loading assembly, a first clamping assembly, a cutting assembly, an overturning assembly and a conveying assembly; the loading assembly comprises a mounting plate, a loading drive mechanism and a pressing roller mechanism; themounting plate is vertically and fixedly arranged on the right of a workbench board in the front and back direction; the loading drive mechanism and the pressing roller mechanism are both arranged onthe mounting plate, and the pressing roller mechanism is driven by the loading drive mechanism to perform active conveying of shoulder straps; the first clamping assembly is used for clamping and fixing the shoulder straps; the first clamping assembly is arranged on the mounting plate of the loading assembly; the cutting assembly is arranged on the mounting plate of the loading assembly and used for cutting the shoulder straps; the overturning assembly is used for bending the shoulder straps to be annular and provided with a forward opening; the conveying assembly is used for conveying the annular shoulder straps to a sewing machine head, and the sewing assembly sews two end heads of the annular shoulder straps on a corresponding clothing fabric.

The invention relates to a screwdriver head push-pull type disassembling tool and solves the technical problems of inconvenience for replacing screwdriver heads of an existing disassembling tool. According to the preferred embodiment, the screwdriver head push-pull type disassembling tool comprises a shell; the end part of the shell is provided with a ratchet seat with a conveying passage; the ratchet seat is provided with a ratchet head with screwdriver head mounting holes; a ratchet control mechanism is arranged between the ratchet head and the ratchet seat; the shell is provided with an accommodating groove; a screwdriver head storage seat is arranged in the accommodating groove; the screwdriver head storage seat is peripherally provided with a plurality of storage holes; a positioning mechanism is arranged between the screwdriver head storage seat and the accommodating groove; the shell is provided with a mounting base; a push-pull rod of which the end part is provided with a first permanent magnet is arranged on the mounting base; an axial positioning mechanism is arranged between the push-pull rod and the mounting base. The screwdriver head push-pull type disassembling tool disclosed by the preferred embodiment has the advantages that screwdriver heads are convenient to store; the screwdriver heads are convenient and simple to replace; the screwdriver heads are automatically aligned with the mounting holes; when in use, the screwdriver heads are firmly positioned, difficultly retract and have high stability; the screwdriver head push-pull type disassembling tool has an illuminating function and also can be normally used even in the dark environment.

The invention discloses a composite high-frequency substrate with the characteristics of high Dk and low Df. The high-frequency substrate comprises a first copper foil layer and a core layer; the corelayer comprises a plurality of high-molecular polymer film layers and a plurality of dielectric adhesive layers; the dielectric adhesive layer comprises at least one of a first dielectric adhesive layer and a second dielectric adhesive layer; the first dielectric adhesive layer is an adhesive layer with a Dk value of 6-30 and a Df value of 0.002-0.020, the second dielectric adhesive layer is an adhesive layer with a Dk value of 15-100 and a Df value of 0.002-0.020, and the Dk value of the second dielectric adhesive layer is greater than the Dk value of the first dielectric adhesive layer; andthe core layer refers to a core layer with a Dk value of 6-50 and a Df value of 0.002-0.020. The laser drilling technology is better, the inward shrinkage condition is not likely to happen, the hygroscopicity is low, the insulativity is high, the size stability is high, the thermal stability is excellent, and the high Dk and low Df electrical property is better; normal press fit parameters can beused for being matched with quick press equipment or pressure transmission equipment, the cost advantage is achieved, and the thick film manufacturing technology is achieved.

The invention belongs to the technical field of textile equipment, and particularly relates to a stretching auxiliary spraying system for reducing the length of waste selvage yarns of an air-jet loom.The stretching auxiliary spraying system comprises a reed base, an auxiliary spraying device, a photoelectric weft detector and a stretching auxiliary spraying channel, the auxiliary spraying devicecomprises a spraying pipe and a base, a mounting hole is formed in the base, the spraying pipe penetrates the mounting hole and is fixed onto the base, a circular pipe, a transition pipe and a flat pipe are sequentially connected from bottom to top to form the spraying pipe, the flat pipe is perpendicular to the reed base, a nozzle is horizontally arranged at the top of the flat pipe, the distancebetween the nozzle and the central axis of the mounting hole is 4-8mm, and an airflow outlet of the nozzle faces the photoelectric weft detector and the stretching auxiliary spraying channel. By improving the structure of the auxiliary spraying device, sufficient straightening of weft yarns and good interweaving of the waste selvage yarns can be ensured, the length of the waste selvage yarns is reduced, cost is saved, the stretching auxiliary spraying system has considerable economic benefits, weaving weft shrinkage is reduced, and quality is improved.

The invention discloses a light, thin and breathable paper diaper elastic part. Spandex filaments are arranged between an upper waistline non-woven fabric and a lower waistline non-woven fabric, and upper waistline fixing glue and spandex filament fixing reinforcing glue are arranged on the opposite faces of the upper waistline non-woven fabric and the lower waistline non-woven fabric respectively. The upper waistline non-woven fabric and the lower waistline non-woven fabric are low-weight hollow fiber spun-melt non-woven fabrics, and the two ends of the upper waistline non-woven fabric and the two ends of the lower waistline non-woven fabric are connected through ultrasonic heat sealing. A production process of the light, thin and breathable paper diaper elastic part comprises the steps of S1, unwinding the upper waistline non-woven fabric, and applying the upper waistline fixing glue; S2, performing wrapping folding on the two ends of the upper waistline non-woven fabric; S3, unwinding the spandex filaments, and adjusting the draw ratio of the spandex filaments; S4, unwinding the lower waistline non-woven fabric, and applying the spandex filament fixing reinforcing glue; S5, conveying the upper waistline non-woven fabric, the spandex filaments and the lower waistline non-woven fabric to a compositing guide roller for compositing; and S6, performing heat sealing. The light, thin and breathable paper diaper elastic part has the advantages that glue seepage is not likely to happen, the elasticity is not likely to be attenuated, the creep rate of the spandex filaments is low,and the elastic part is not likely to rebound in the conveying process.

The invention relates to a double-spring-plate and double-locking structure for an art knife adjuster. The structure comprises a lower adjusting block matched with an art knife blade frame with tooth slots in both of the two sides; two symmetrically-arranged spring plates are fixed on the lower adjusting block; each spring plate is provided with two clamping parts; the two clamping parts of each spring plate are positioned on the two sides of the lower adjusting block, respectively, and are clamped with the tooth slots in the two sides of the art knife blade frame in a matched manner, respectively. The double-spring-plate and double-locking structure for the art knife adjuster, provided by the invention, has the advantages as follows: as the two spring plates and the four clamping parts are arranged, the locking force is large and the adjuster is uneasy to retract during use; gaps between the clamping parts and the tooth slots of the blade frame are offset through the four clamping parts, so that the adjuster has low probability of shaking within the blade frame after being locked; moreover, as the structure is used together with an upper adjusting block of the adjuster in the adjusting process, locking of one spring plate is overcome, so that the pushing force during adjusting is still small.

The invention discloses a preparation process of a high-stress-resistance self-repairing water-based paint, belongs to the field of paint preparation. According to the preparation process of the high-stress-resistance self-repairing water-based paint, resistance self-repairing particles are added in the preparation process, and during stirring, liquid guide fiber strips extend outwards, so that acoating layer formed by the water-based paint is higher in strength; when the coating layer is accidentally impacted, a plurality of resistance inner bags in the resistance self-repairing particles get close to each other towards the middle to abut against each other, the effect of absorbing impact force can be achieved, the deformation range of the resistance self-repairing particles can be effectively limited, and therefore the situation that the coating layer locally collapses due to too large deformation of the resistance self-repairing particles is effectively avoided. The strength and stability of the formed coating layer are guaranteed, the formed coating layer is not prone to peeling, bulging and falling off due to excessive local stress, meanwhile, when the coating layer is impacted, the resistance self-repairing particles near the impact point are extruded, the latex solution inside the self-repairing particles overflows to the impact position along the liquid guide fiber strips, and therefore the strength damaged by impact is effectively compensated for.

The invention discloses a threading robot for building electrical construction. The threading robot structurally comprises a winding device, a machine body and moving wheels. When the threading robot is used, one end of a pull wire is clamped on a butt-joint fastener in a penetrating manner, the butt-joint fastener drives the pull wire to extend into a pre-buried pipeline, and a winding assembly can rotate along with the extension of the pull wire; the pull wire is guided out through the matched rotation of the two auxiliary guide pieces, so that the pull wire is not prone to retracting inwards when extending outwards; after the pull wire stretches out of the pre-buried pipeline, the pull wire is in fastening butt joint with a cable through the butt joint fastener, and after butt joint, the winding assembly is controlled through a controller in the machine body, so that the winding assembly can be recycled in the opposite direction, the pull wire is taken back, and the cable is effectively pulled to pass through the pipe at a uniform speed.

The invention relates to a heart stent and a manufacturing method thereof in the medical field. The heart stent is specifically composed of a stent framework, a framework opening, a framework inner layer and a framework outer layer. The stent framework is made of fluorocarbon silicon and fusion materials. The framework opening is of a two-end opened type. The framework outer layer is made of a repairing restraining medicine, and the framework inner layer is made of a thrombus restraining and resisting medicine. The framework is coated with the outer layer, and the inner layer is polymerized onthe framework. The stent is of a mesh-shaped structure. Thus, the stent has high strength and softness, the structural design reasonably conforms to human mechanics, flexibility is high, blood vesselcompatibility is high, supporting and dredging performance is stable, and the heart stent has good cell repairing and disease symptom treating effects and has wide application range on the aspect ofcardiovascular diseases.