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

A V-belt automatic shift pulley is provided, pulley surface can be mounted simply and quickly with respect to a hub shaft, and the combination is firm. Parts (1) forming the hub element comprise a hub shaft (11), a large-diameter circular cylinder part (12) disposed at one side terminal in the axial direction of the hub shaft (11), a step surface (14) formed between the hub shaft (11) and the large-diameter circular cylinder part (12), a groove formed in an axial direction at the peripheral lateral surface of the large-diameter circular cylinder part (12). A movable pulley surface (2) is formed, and a circular cylinder combination portion (22) is formed at the diameter center of the pulley surface (21). The circular cylinder combination portion (22) is inserted by the large-diameter circular cylinder part (12), and the wall shape of the circular cylinder combination portion (22) along said groove portion is riveted.

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 field wiring connector comprising a metallic housing. The front end of the metallic housing is a plugging end. An insulator with a built-in contact member is installed in the axial installing holes of the metallic housing. Wire pressing screws pass through screw holes on the contact member. A radial installing gap is arranged between the insulator and the wall of the axial installing holes. An insulating anti-separation member is fixedly disposed in the radial installing gap through a fixing structure. Moving chambers are arranged between the insulating anti-separation member and the insulator and the wire pressing screws may perform reciprocating motion in the moving chambers along the axis direction of corresponding screw holes. The insulating anti-separation member is provided with screwdriver holes corresponding to the positions of the screw holes and a corresponding screwdriver may pass through the screwdriver holes and then applies torque to the wire pressing screws. The insulating anti-separation member is also provided with a screw anti-separation structure used for being in blocking cooperation with the wire pressing screws so as to define a limitation within which the wire pressing screws may move towards the direction far away from the screw holes. The field wiring connector may prevent the wire pressing screws from being separated and guarantee non-conduction between the wire pressing screws and the metallic housing.

The invention relates to a reducing two-way pipe joint and a reducing two-way pipe joint component. The reducing two-way pipe joint component comprises the reducing two-way pipe joint, and fastening screw caps in threaded connection with the reducing two-way pipe joint, wherein the reducing two-way pipe joint is axially provided with two connecting sleeves; the inner diameter sizes of the two connecting sleeves are different; the outer diameter sizes of the two connecting sleeves are different; a main body of the reducing two-way pipe joint is provided with two connecting sleeves for coating connecting pipes and connecting threads corresponding to the connecting sleeves for connecting with corresponding fastening screw caps; the fastening screw caps are in threaded connection to the main body of the pipe joint; at least one elastic barb is arranged on the outer peripheral surfaces of the connecting sleeves in the peripheral direction; the head ends of the elastic barbs are connected with the connecting sleeves, and the tail ends are inclined to ports far from the sleeves; and the elastic barbs are elastically deformed when being extruded by the connecting pipes. The damage of pressing force to connecting hoses in screwing-up of the fastening screw caps can be reduced; the service life of the connecting pipes is prolonged; and the installation of the fastening screw caps is convenient.

The invention relates to a pipe connector and a pipe connector assembly. The pipe connector assembly comprises the pipe connector and fastening nuts in threaded connection with the pipe connector. At least one connecting sleeve used for being connected with a connecting pipe in a sleeving mode and a connecting thread which corresponds to the connecting sleeve and is used for being connected with the corresponding fastening nut are arranged on a pipe connector body. The fastening nuts are connected to the pipe connector body in a threaded mode. At least one elastic barb used for elastic deformation when squeezed by a connected pipe is arranged on the outer circumferential surface of each connecting sleeve in the circumferential direction, wherein the initial end of each elastic barb is connected with the corresponding connecting sleeve, and the tail end of each elastic bard inclines towards an end opening away from the corresponding sleeve. According to the pipe connector and the pipe connector assembly, damage to the connecting flexible pipe by pressing force when the fastening nuts are screwed can be reduced, the service life of the connecting pipe is prolonged, and the fastening nuts can be installed conveniently.

The invention provides a multi-functional flap anchor. The anchor comprises a central pipe, wherein both ends of the central pipe are respectively connected with an upper contact and a lower contact, an anchor sheet component is arranged between the upper contact and the end part of the central pipe, one side of the anchor sheet component is rotationally connected with the end part of the central pipe through a connector in a circumferential direction, the lower end of the lower contact is connected with a scraping component, a rubber tube sealing component, a slip component and a slip sliding driving component successively and movably sleeve the central pipe between the connector and the lower contact from top to bottom, and the reciprocating sliding of the slip sliding driving component on the central pipe successively drives the slip component to be used for clamping sealing and unsealing of the slip component, and the sealing and unsealing of the rubber tube sealing component. According to the invention, the functions of creep prevention, sealing, deflection resisting, and scraping pipes under a well are realized, the structure of a pipe column is simplified, the complex degree of construction operation is reduced, the service efficiency of the flap anchor is improved, and further the exploitation effect of individual wells is improved.

The invention relates to a pumping-assisting centering dropout prevention device of a pumping rod, comprising an upper pumping rod joint (1), a dropout prevention connecting rod (2), a movable joint (3), a seal cover (5), an oil passing valve (6), a centering device (7) and a lower pumping rod joint (8), wherein the lower end of the dropout prevention connecting rod (2) is glidingly and rotatably matched with the movable joint (3) to form the dropout prevention device; the excircle of the movable joint (3) is provided with a helical tooth (31) to form a paraffin scraper; and the seal cover (5) and the oil passing valve (6) are matched and penetrated through a connecting rod (4) to form a pumping-assisting device. The dropout prevention device is distributed on the pumping rod at intervals for use, lowers the return pressure of an oil-well pump, reduces loss and improves the work efficiency of the oil-well pump while playing the preventing dropout and centering effects on the pumping rod and the paraffin removal effect on oil tubes.

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 discloses an anti-drop device for a shock-absorbing hanging rod of a small buoyancy-type washing machine and belongs to the field of washing machines. The anti-drop device comprises a hanging seat which is used for installing an upper ball seat of the shock-absorbing hanging rod and arranged on a washing machine box body, wherein the hanging seat is an inside-concave semicircular shell with an opening facing upward; the middle of the hanging seat is provided with a through hole; the side surface of the hanging seat is provided with a fracture communicated with the through hole; and a shielding device for blocking the drop of the upper ball seat from the hanging seat is arranged above the opening of the hanging seat. According to the invention, a scheme of limiting the upper ball seat of the shock-absorbing hanging rod to separate from the hanging rod is utilized so as to ensure that the fracture of the hanging seat is always in the state of being sealed by the upper ball seat at every angle and a dropping out phenomenon of the shock-absorbing hanging rod in any circumstances is avoided; a form of the shielding plate and a blocking form of a surface are adopted in the anti-drop device provided by the scheme to avoid the displacement of the upper ball seat so that a situation of shielding leaking can not appear; in addition, the casing structure of the traditional washing machine can be fully utilized in accordance with local conditions due to various installation structures and installation manners of the shielding plate, and thus anti-drop of shock-absorbing hanging rods of different washing machines can be realized by using the minimum materials and the simplest manner.

The invention relates to a fluid connector assembly and a connector and adaptive connector thereof. The fluid connector assembly comprises the connector and the adaptive connector capable of being docked axially. A threaded fastening shell is mounted on a shell of the connector in a sleeving manner, a driving shell capable of being inserted out of and sleeving the threaded fastening shell axiallyis rotatably mounted on a shell of the adaptive connector in a sleeving manner, a convex key is arranged in one of the inner side face of the driving shell and the outer side face of the threaded fastening shell, a key groove which stretches axially for allowing the convex key to be axially inserted inso that the driving shell can drive the threaded fastening shell to rotate through the convex keyis arranged on the other one of the inner side face of the driving shell and the outer side face of the threaded fastening shell, the driving shell has a locking position which rotates at a set angleforward relative to the threaded fastening shell in a rotating stroke when the connector and the adaptive connector are docked, the driving shell is provided with a first retaining face in retainingfit to the threaded fastening shell or the shell of the connector axially and a second retaining face in retaining fit to the shell of the adaptive connector when the driving shell is in the locking position, and the two retaining faces are opposite in direction.

The invention discloses an electric power detection device for electric power construction. The electric power detection device comprises a detection device body, a fixed seat is arranged at one end of the detection device body; a connecting assembly is arranged on the side, away from the detection device body, of the fixing base, the fixing base is rotationally connected with symmetrically-arranged protective shells through the connecting assembly, protective pads matched with the detection device body in shape are arranged on the inner sides of the protective shells, and the protective shells wrap the detection device body in the protective pads after being closed through the connecting assembly. In the present invention, extrusion of a first sleeve, the baffle acts on the return springto compress the return spring; until the fixed column enters the J-shaped buckle; after the first sleeve is rotated to enable the fixed column to move in the J-shaped buckle for a certain distance, the first sleeve can be loosened; at the moment, the positions of the first sleeve and the second sleeve are relatively fixed, the fixing column is prevented from falling off under the action of the J-shaped buckle, and the probe gradually extends out of the outer side of the detection device body through a via hole in the cover body in the moving process of the first sleeve and can be used for detection.

The invention relates to a quick-dismounting-type aluminum plate decorative component mounting structure. A mounting mode that an aluminum plate curtain wall which is arranged according to the streamline shapes of curved surfaces, double curved surfaces and irregular curved surfaces can be mounted in a narrow space is provided. According to the technical scheme of the quick-dismounting-type aluminum plate decorative component mounting structure, a double-hook-type hanging piece on an aluminum plate is hung on a transferring supporting part matched with the double-hook-type hanging piece, a setscrew is tightened, and two pins are mounted on the double-hook-type hanging piece; and a whole system achieves limiting in the up-down, left-right and front-rear directions, anti-falling of the curtain wall is achieved, and rapid mounting and dismounting in the narrow space are achieved. The quick-dismounting-type aluminum plate decorative component mounting structure has the advantages that according to the curtain wall with the unique shape, under the condition that the complicated building form is met, mounting and dismounting are quicker and more efficient, and the labor cost is reduced;and under the conditions of the complicated building form and the changeable shape curtain wall, effective anti-falling design is achieved, safety is high, and applicability is good.

The invention discloses a formula for preventing hair loss and promoting hair growth substances and a preparation method of the formula. The formula is prepared through five processes including extraction of placental protein, dialysis for removal of micro-molecular polypeptides, molecular sieve chromatography, degerming and solution blending, is a natural bioactive product, has no side effects onthe human body, can nourish hair follicles through skin application, has both inside and outside taken into consideration through injection and can activate regeneration capacity of epidermis and hair follicles again, effectively realize the effects of preventing hair loss and promoting hair growth and solidify hair roots, so that the hair is kept healthy fundamentally. The formula has remarkableeffects and is effective lastingly.

The invention belongs to the technical field of hair solidifying and hair developing composition and specifically relates to hair solidifying, hair developing and sleep assisting composition which isprepared from the following ingredients in volume percent: 40 to 70% of safflower oil, 30 to 55% of Japan cypress oil, 5 to 10% of camellia oil, 20 to 40% of hinoki oil and 5 to 15% of B-component essential oil. The hair solidifying, hair developing and sleep assisting composition disclosed by the invention is prepared from pure natural plants, so that the composition has the advantages of stablepharmaceutical effect, safety in use and easiness in storage and skin absorption; furthermore, the composition can effectively maintain hair follicle health, activate damaged hair follicles, eliminateinflammation, repair the damaged hair follicles and achieve the comprehensive effects of preventing alopecia, solidifying hair and developing hair for a long time.

The invention relates to a two-way pipe joint and a two-way pipe joint assembly. The two-way pipe joint assembly comprises the two-way pipe joint and fastening nuts in threaded connection with the two-way pipe joint. At least one connecting sleeve and connecting threads are arranged on a pipe joint body, wherein the connecting sleeves are used for being connected with a connecting pipe in a sleeving manner, and the connecting threads correspond to the connecting sleeves and are used for being connected with the corresponding fastening nuts. The fastening nuts are in threaded connection with the pipe joint body. At least one elastic barb used for achieving elastic deformation when squeezed by the connecting pipe is arranged on the peripheral face of each connecting sleeve in the circumferential direction, the head end of each elastic barb is connected with the corresponding connecting sleeve, and the tail ends of the elastic barbs are inclined towards end openings far away from the sleeves. According to the two-way pipe joint and the two-way pipe joint assembly, the damage of compressing force to a connecting hose can be reduced when the fastening nuts are screwed down, the service life of the connecting pipe is prolonged, and the fastening nuts can be mounted conveniently.

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 stainless steel pressure cooker. The stainless steel pressure cooker comprises a cooker body, a cooker cover, cooker lugs, a lifting handle, a locking piece and a switch structure, wherein the cooker cover is used for covering the cooker body; the cooker lugs can be connected with the cooker body; the lifting handle can be connected with the cooker cover; the locking piece is arranged on the lifting handle and has a first position and a second position relative to the lifting handle; when the locking piece is positioned at the second position, the locking piece is inanti-off fit with the cooker lugs to lock the cooker cover and the cooker body; the switch structure is arranged on the lifting handle and is used for driving the locking piece to act from the secondposition to the first position. Due to the arrangement of the locking piece, the stainless steel pressure cooker is simple in operation; the lifting handle is arranged for conveniently lifting the cooker cover; after the locking piece is in anti-off fit with the cooker lugs, the whole cooker body can be directly lifted up for conveniently moving the cooker body.

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.

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 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.