42results about How to "To achieve anti-off" patented technology

The invention relates to a field-made wire connector, comprising a metal shell with a plug-in end at the front end, an insulator with a built-in contact piece installed in an axial installation hole of the metal shell, and a wire-pressing screw pierced through a screw hole on the contact piece , a radial installation gap is set between the insulator and the hole wall of the axial installation hole, an insulating anti-falling part is fixed in the radial installation gap through a fixing structure, and a pressure supply line is arranged between the insulating anti-falling part and the insulator The movable cavity of the screw reciprocating along the axial direction corresponding to the screw through hole, the insulating anti-releasing part is provided with a screwdriver hole corresponding to the position of the screw through hole for the corresponding screwdriver to apply torque to the crimping screw after passing through, A screw-off prevention structure is provided for cooperating with the thread-pressing screw to stop and limit the movement of the thread-pressing screw away from the direction of the screw hole. The invention provides an on-site wire connector which can ensure that the wire pressing screw is prevented from falling off, and can also ensure that the wire pressing screw and the metal shell are not connected.

The invention provides a traditional Chinese medicinal composition for nourishing and blacking hair and a preparation method thereof. The traditional Chinese medicinal composition is prepared from thefollowing components in parts by weight: 3 to 8 parts of ginseng, 5 to 10 parts of astragalus membranaceus, 2 to 10 parts of folium mori, 2 to 10 parts of platycladus orientalis, 5 to 10 parts of gleditsia sinensis, 3 to 11 parts of gastrodia elata, 5 to 10 parts of polygonum multiflorum, 2 to 8 parts of lucid ganoderma, 3 to 5 parts of rhizoma zingiberis recens, 2 to 8 parts of fructus cnidii, 2to 10 parts of fructus kochiae, 2 to 6 parts of radix salviae miltiorrhizae, 2 to 10 parts of cortex dictamni, 2 to 6 parts of herba menthae, 2 to 10 parts of poria, 5 to 10 parts of coix seed, 3 to5 parts of black sesame, 5 to 10 parts of black soya bean, 2 to 6 parts of juglandis, 2 to 6 parts of cortex moutan, 0.5 to 3 parts of lignum santali albi, 1 to 3 parts of flos caryophylli, 3 to 6 parts of radix angelicae dahuricae, 2 to 10 parts of rose, 1 to 3 parts of herba asari, and 3 to 5 parts of styrax. Compared with the prior art, the traditional Chinese medicinal composition has the beneficial effect that by dredging pores and activating hair mother cells of hair follicles, hair can grow normally to achieve hair loss preventing and hair growing effects; scalp is nourished, toughnessof the hair is strengthened, hair roots are strengthened, anti-dandruff, itching relieving, softening, and brightening effects are realized; and in addition, the effect is quick seen, the hair blacking and nourishing effects are good, the cost is low, and the preparation technology is simple, convenient, and easy to implement.

The invention provides a falling prevention structure for a socket in an electric power tool. The falling prevention structure can prevent falling of a support part because of falling of a screw thread part. In an impact driver (1), a supporting ring (16), to which a carabiner (32) and so on of a socket (27) is connected, is provided in a shaft support portion in a front end of a hammer case (4) so that the supporting ring is able to be attached and detached by using a screw (18). Further, a falling prevention element (wire 24) is provided in the supporting ring (16). The falling prevention element (24) comes to a position adjacent to the screw (18) which clamps the supporting ring (16) so that the supporting ring (16) is prevented from falling from the impact driver (1).

The invention discloses a cooked food pressure steamer, including a steamer pot body, a pressure cooker pot body, a hemisphere panel, a first hole, a pressure cooker cover, an exhaust hard pipe, and an annular tube. A second strip groove is arranged on the upper part of the annular tube. The exhaust hard pipe is also fixedly sleeved with a lantern ring. The outer ring of the lantern ring is provided with a plurality of grooves arranged in a circular manner. The outer side of the annular tube is moveably plugged with a sleeve. A first strip groove is arranged on the upper part of the sleeve. The first strip groove and the second strip groove are overlapped selectively. The top of the sleeve is fixedly connected with a hemispheroid. A spherical surface of the hemispheroid faces upward. The internal of the hemispheroid is provided with a hemispherical cavity. The hemispherical cavity is communicated with the first strip groove. The plane of the hemispheroid is provided with a plurality ofsecond holes arranged in a circular manner. A column surface of the sleeve is movably plugged with two inserted links. The outer side of the inserted link is connected with a sleeve cap. A first spring is connected between the sleeve cap and the sleeve. The inner side of the inserted link is inserted in to the groove. The steamer can improve defects of the prior art, and has better steaming effect.

The invention discloses a multifunctional spectacle frame which comprises a primary spectacle frame, a secondary spectacle frame and a connecting device for connecting the primary spectacle frame with the secondary spectacle frame, wherein spectacle legs of the primary spectacle frame are sleeved with one end of the connecting device; the secondary spectacle frame is sleeved with the other end of the connecting device; the connecting device can be used for fixing the secondary spectacle frame and also can used for enabling the secondary spectacle frame to rotate within 180 degrees. The multifunctional spectacle frame is simple in structure, diverse in functions, convenient to use, anti-dropping and adjustable, and can be used by different people.

The invention discloses a bolt with double hexagonal bolt heads, and belongs to the field of fasteners. The bolt with double hexagonal bolt heads is used for fasteners, and a head cavity is downwards processed at the top end of a bolt head; a screw cavity penetrating through a screw is machined in the bottom face of the head cavity, and the screw cavity communicates with side openings in the two sides of the bottom end of the screw. The screw cavity is connected with a limiting rod body through an internal thread, the bottom end of the limiting rod body is connected with an adjusting rod body, and the lower portion of the adjusting rod body is provided with a thread connected with a column body adjusting cavity in a limiting column; the limiting column is located in the screw cavity, and limiting top pieces are arranged on the two sides of the limiting column and located in the side openings. An outer supporting piece which moves downwards along with the adjusting rod body is arranged in the portion, above the limiting column, of the screw cavity, and the outer supporting piece makes contact with the inner side of the limiting top piece and stretches the limiting top piece outwards. The connection stability between the bolt and a nut can be improved through the improvement of a bolt structure, and a problem of looseness between the nut and the screw rod can be solved.

A grinding device for molecular biology experiments comprises a grinding container body and a grinding rod body, the grinding container body includes a grinding inner tank and a protective layer arranged outside the grinding inner tank, and the grinding chamber includes a first grinding chamber and a second grinding chamber, The first grinding chamber, the second grinding chamber, and the cooling medium chamber are all arranged on the grinding inner tank, and at least a part of the cooling medium chamber is arranged between the first grinding chamber and the second grinding chamber for the two to share. The grinding rod body includes a head. The handle part and the two grinding single rods connected to the head handle part, the two grinding single rods correspond to the first grinding chamber and the second grinding chamber of the grinding container body respectively, and one or all of the two grinding single rods is detachable. Through the scientific design of the grinding vessel body with multiple grinding chambers and the grinding rod body with multiple single grinding rods, the present invention obtains a single-chamber grinding and multi-chamber grinding at the same time, and has a reasonable structure, comfortable operation, smooth grinding, Stable, freeze-proof new grinding unit.

The invention relates to an equipment cabinet. The adapter of the equipment cabinet comprises an adapter shell. The adapter shell is provided with an adapter socket contact component and an adaptor socket locking structure. The adapter shell is also provided with an adapter plug contact component and an adapter plug locking structure. The equipment cabinet is characterized in that the adapter shell is provided with a sealing matching portion which is located between the adaptor socket locking structure and the adapter plug locking structure and can be plugged into a corresponding connection sleeve in a sealed manner. With the equipment cabinet of the invention adopted, the problem that an adapter in the prior art does not have a waterproof function can be solved.

The invention relates to an improved demountable tanker carrier. The improved demountable tanker carrier comprises a chassis, a lifting mechanism, a hydraulic cylinder and a ladder stand, wherein a damping locking protective device is mounted on the chassis and comprises a damping component and a locking device; and the locking device is in locking connection with the lifting mechanism which is in a folding state, and the damping component is in damping connection with the lifting mechanism which is in the folding state. In the invention, the ladder stand is arranged on the chassis, the widthof the demountable tanker carrier in running meets the national standard requirement due to the folded ladder stand; when the improved demountable tanker carrier is in use, the ladder stand can be unfolded so that personnel can climb conveniently; meanwhile, the damping locking protective device is also arranged on the chassis, the damping component is in contact with the lifting mechanism so as to provide the damping protection for the lifting mechanism and the tanker carrier; and a locking pin shaft is inserted in the pin hole of the lifting mechanism to lock the lifting mechanism so as to prevent the lifting mechanism from pitching caused by shake in a transportation process.

The invention relates to a fluid connector assembly, its connector, and an adapter connector. The fluid connector assembly includes an axially buttable connector and an adapter connector. A threaded fastening shell is set on the housing of the connector , the housing of the adapter connector is rotatably fitted with a drive housing that can be inserted and inserted outside the threaded fastening housing in the axial direction, and one of the inner surface of the driving housing and the outer surface of the threaded fastening housing is provided with a protrusion The key and the other are provided with a keyway extending axially for the axial insertion of the convex key so that the drive housing can drive the threaded fastening housing to rotate through the convex key. When the docking is completed, the locking position of the set angle is forwardly rotated relative to the threaded fastening shell. The first stop surface for stop fit of the housing and the second stop surface for stop fit with the case of the mating connector face oppositely.