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 provides a degradable double-layer stent which is of a double-layer structure formed by sequentially connecting a roughly cylindrical keel stent and a dense net stent in a sleeved mode from outside to inside, the keel stent and the dense net stent are net-shaped braided fabric or net-shaped cut objects or the combination of the net-shaped braided fabric and the net-shaped cut objects, and the double-layer stent can be completely or partially degraded, wherein the wire diameter of the keel stent is larger than that of the dense net stent, and the mesh size of the keel stent is larger than that of the dense net stent. According to the invention, the full coverage rate of the inner-layer dense net stent is ensured, and the contact area of the outer-layer keel stent and the micro-catheter wall is relatively small, so that the whole stent has smaller pushing resistance; compared with a degradable stent with a single-layer structure, the double-layer stent has better anchoring performance and lower retraction rate in a blood vessel; after endovascular interventional therapy is completed, the stent can be partially or completely degraded, so that chronic problems caused by long-term retention of the stent in the body are reduced.

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 an eraser convenient for scrap removing. The eraser comprises an eraser body arranged at a first end of a shell, a magnetic roller rotatably installed at a second end of the shell and a rotating brush rotatably installed inside the shell, wherein the shell is internally provided with a waste scrap storage cavity, the waste scrap storage cavity is provided with a waste scrappouring mouth, the eraser body is internally mixed with substance capable of being attracted by the magnetic roller, the magnetic roller and the rotating brush are in axis parallel and are in linkageand of opposite rotating directions, a first waste scrap shovel is arranged between the magnetic roller and the rotating brush, the end portion of the first waste scrap shovel points to the directionopposite to the rotating direction of the magnetic roller and sticks to the surface of the magnetic roller, the first waste scrap shovel shovels down waste scrap attracted by the magnetic roller to be brushed into the waste scrap storage cavity by the rotating brush, the waste scrap storage cavity is internally provided with a second waste scrap shovel, and brush furs hit against the end portionof the second waste scrap shovel after passing the first waste scrap shovel and the waste scrap storage cavity. The eraser convenient for the scrap removing has the advantages of being capable of removing the eraser waste scrap conveniently and clean and hygienic.

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 discloses a deformation-resisting tea oil packaging bottle which comprises a bottle opening and a bottle body which are integrally connected. The cross section of the bottle opening and the cross section of the bottle body are round. The bottle body comprises a bottleneck, a bottle shoulder, a bottle waist and a bottle seat which are arranged in sequence from top to bottom. The bottleneck is of an arc structure, and the angle of contingence at the arc connecting position of the bottleneck and the bottle opening ranges from 27 degrees to 33 degrees relative to the horizontal line. Multiple transverse reinforcing ribs and longitudinal reinforcing ribs are arranged on the bottleneck and the bottle seat. The longitudinal reinforcing ribs are distributed on the transverse reinforcing ribs and the surface of the bottleneck or the surface of the bottle seat to form net-shaped reinforcing ribs. The bottle opening and the bottle body are made of modified PET materials. The deformation-resisting tea oil packaging bottle has the beneficial effects that the structure is reasonable, the appearance is attractive, and the deformation-resisting performance is very good.

The invention discloses a construction method of an acrylic resin simulated water surface, wherein the method belongs to the field of building decoration construction technology and aims to settle a problem of unsuitability for large-area high-thickness simulated water surface construction in a construction method in prior art. The method is technologically characterized by comprising the steps of(1), cleaning a base surface; (2), performing self-leveling cement construction; (3), performing colored drawing; (4), preparing the acrylic resin; (5), pouring; and (6), performing technological steps such as defoaming and maintenance, and finishing construction of the integral acrylic resin simulated water surface through repeating the steps of (4)-(6) in a layered construction mode. The construction method is suitable for large-area high-thickness resin decoration construction in places such as museum and exhibition hall. A resin retraction rate after construction reduces to three in a thousand. No easy cracking and high transparency are realized. The construction method has a three-dimensional perception feeling and an excellent mirror surface decoration effect, and furthermore realizes an excellent artistic expression effect through cooperating with waterscape drawings.

The invention relates to a method for producing a straw, which comprises the following steps of: color matching, the straightening and cutting of a small tube, the straightening and cutting of a large tube, the bending of the large tube, the sleeving of the tubes, flaring and closing-up molding, blister-pack and encasement. The method has the advantages of high speed, high efficiency, safety and sanitation, and small occupied space, difficult retraction after being stretched and more comfortable use of the produced straw due to the adoption of a full-automatic production line.

The invention relates to a polyurethane elastic fiber with anti-slip elastic properties, the polyurethane elastic fiber is a composite polyurethane elastic fiber formed by compounding more than two monofilament polyurethane elastic fibers, and the composite polyurethane elastic fiber is irregular and flat Cross-section; the preparation method is to pass the polyurethane urea spinning stock solution through a spinneret with more than 2 spinneret holes, and finally pass through a false twist device through a winding machine after entering the spinning tunnel, and finally obtain the above-mentioned non-slip elastic performance. Polyurethane elastic fiber: the product maintains the same general physical property index as the product of the same specification, so that the fiber has excellent anti-slip elastic properties, and solves the problem that spandex is easy to shrink at the seam of denim.

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 discloses a silent generator unit cable capstan and relates to the technical field of diesel generator units. The silent generator unit cable capstan comprises a box body, and further comprises a generator unit arranged in the box body, a base arranged at the rear end of the box body, a capstan device which is arranged on the base and used for winding a cable, a driving assembly fordriving a capstan body to rotate, and guiding assemblies arranged at the two ends of the capstan device correspondingly and used for guiding the cable. The capstan device comprises two capstan supports arranged on the base, a rotary shaft rotationally mounted on the capstan supports, and a plurality of rotary plates which are fixedly mounted on the rotary shaft in a penetrating mode and distributed at equal intervals. The driving assembly comprises a driving motor arranged on the base, a driving synchronous belt wheel linked with an output shaft of the driving motor, a driven synchronous beltwheel fixedly mounted on the rotary shaft in a sleeving mode, and a synchronous belt wound on the driving synchronous belt wheel and the driven synchronous belt wheel. Through the silent generator unit cable capstan, the cable is wound and unwound conveniently, and the silent generator unit cable capstan is easy to operate and convenient to use.

The invention relates to the technical field of non-woven fabric production, in particular to a preparation device and preparation method of a water-absorbing electrostatic spray non-woven fabric. There are feeding ports and discharging ports for the non-woven fabrics to enter and exit; two first rollers that are rotatable and used for conveying non-woven fabrics are arranged in parallel in the processing chamber, and the outer surfaces of the first rollers are all along the direction of the first roller. A ring-shaped rotating groove is arranged in the circumferential direction; a drying mechanism for drying the non-woven fabric is arranged between the first rollers. The drying mechanism includes a fixed ring sleeved in the corresponding rotating groove, and two fixed rings are arranged in parallel The first support rod is provided with a plurality of electric heating wires for heating the non-woven fabric between the first support rods. By moving the non-woven fabric in the drying device, the heating wire dries the non-woven fabric passing through the drying device, so that the non-woven fabric can be wound up after being completely dried, which improves the drying efficiency of the non-woven fabric. .

A push-pull bit detaching and mounting tool including a casing is described herein. A ratchet wheel seat having a conveying passage is disposed at an end portion of the casing. A ratchet wheel head having bit mounting holes is disposed on the ratchet wheel seat. A ratchet wheel control mechanism is disposed between the ratchet wheel head and the ratchet wheel seat. An accommodating groove is formed on the casing. A bit storage seat is disposed in the accommodating groove. A plurality of storage holes are formed on the bit storage seat in the circumferential direction. A positioning structure is disposed between the bit storage seat and the accommodating groove. The casing has a mounting seat. A push-pull rod having a first permanent magnet at an end portion is disposed on the mounting seat, and an axial positioning mechanism is disposed between the push-pull rod and the mounting seat.

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 thescrewdriver 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 onthe 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 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.