103results about How to "Achieving a position lock" patented technology

A power supply interface device of power supply equipment with the left and right limiting function comprises a socket device (9) and a plug device (8). The plug device (8) is inserted into a cavity of the socket device (9), and the tail end of the plug device (8) is provided with a joint recess (82) which is joint with a joint projection (92) in the cavity to realize electrical connection. The socket device (9) is provided with an end wall (91), a transverse sidewall (99) and a seat (98) opposite to the end wall (91) to form the cavity; the plug device (8) is provided with a positioning projection (81) which is joint with the outer side of the end wall (91), the cavity is internally provided with a guiding sleeve (7) which is fixedly connected with the inner side of the end wall (91) and the seat (98), and the guiding sleeve (7) is provided with two guiding slits which extend in the transverse direction and opposite to each other in the diameter direction.

The present invention provides a power supply interface device for electric power. The device comprises housing (91), a power supply jack device (1) arranged at the lower side of the housing (91) and an electrical plug device arranged on the upper side of the housing (91). The power supply jack device (1) includes a power supply cable (3) and a power supply hole (2) connected with the electrical plug device. The electrical plug device includes two top pressure screw assemblies (8) fixedly connected at the upper side wall of the housing (91). The two top pressure screw assemblies (8) are symmetrically arranged relative to the longitudinal axis of the housing (91), and each top pressure screw assembly has a thread tightening sleeve (82) fixed at the upper side wall of the housing (91) and a top pressure screw (81) in screw-thread fit with the threaded hole (821) arranged at the lower end wall of the thread tightening sleeve (82).

The invention provides a power supply interface device of power supply equipment using a contact sensor. The power supply interface device comprises a socket unit (9) and a plug unit (8), the plug unit (8) is inserted into a cavity of the socket unit (9), the tail end of the plug unit (8) is provided with a joint recess (82), the joint recess (82) is connected with a joint projection (92) in the cavity to realize electrical connection, the socket unit (9) comprises an end wall (91), horizontal sidewalls (99) and a seat (98) opposite to the end wall (91), the end wall (91), the horizontal sidewalls (99) and the seat (98) form the cavity, the plug unit (8) is provided with a positioning projection (81) which is joint with the outer side of the end wall (91), the cavity is internally provided with a guiding sleeve (7) which is fixedly connected to the inner side of the end wall (91) and the seat, and the guiding sleeve (7) is provided with two guiding slits which are opposite to each other in the diameter direction and extend horizontally.

The invention relates to a civil engineering sand sieving device. The civil engineering sand sieving device uses crosses formed by transverse rods and longitudinal rods for forming a sieving net structure, enables the transverse rods and the longitudinal rods to perform equal interval adjustment according to requirements through a transverse interval adjustment device and a longitudinal interval adjustment device, and simultaneously uses a locking function of a hydraulic telescopic rod in a hydraulic cylinder and a self-locking function of threads for achieving position locking after the equalinterval adjustment, enables the transverse rods and the longitudinal rods in the sieving net structure to be stable and reliable in the sieving process, is suitable for different grain diameters offine sand or sand stone, and avoids replacement of a sieving net, and meanwhile a power device drives the transverse rods and the longitudinal rods, which cooperate with one another, to separate whenhole blocking of the sieving net occurs or the sieving net needs to be cleaned, and then achieves cleaning effect by adjusting intervals. The civil engineering sand sieving device is simple to operateand ingenious in structure, avoids the replacement of the sieving net, and meanwhile can clean up the sieving net timely, and greatly improves sieving efficiency and quality.

The invention provides a power supply interface device of power supply equipment driven by single motor. The power supply interface device comprises a socket unit (9) and a plug unit (8), the plug unit (8) is inserted into a cavity of the socket unit (9), the tail end of the plug unit (8) is provided with a joint recess (82), the joint recess (82) is connected with a joint projection (92) in the cavity to realize electrical connection, the socket unit (9) comprises an end wall (91), horizontal sidewalls (99) and a seat (98) opposite to the end wall (91), the end wall (91), the horizontal sidewalls (99) and the seat (98) form the cavity, the plug unit (8) is provided with a positioning projection (81) which is joint with the outer side of the end wall (91), the cavity is internally provided with a guiding sleeve (7) which is fixedly connected to the inner side of the end wall (91) and the seat, and the guiding sleeve (7) is provided with two guiding slits which are opposite to each other in the diameter direction and extend horizontally.

The invention discloses a height-adjustable intelligent desk lamp which comprises a desk lamp base, a support column fixed to the desk lamp base, a connecting rod arranged on the support column, and a lamp bulb fixed at one end of the connecting rod, wherein the support column is internally connected with an adjustment column in an insertion manner; the upper end face of the support column is fixedly connected with a housing; a rack is arranged on the side wall of one surface of the adjustment column; an adjustment gear is arranged in the housing on one side of the rack, and is connected with a rotating shaft in an insertion manner; one end of the rotating shaft is fixedly connected with an output shaft of a driving motor; the adjustment gear is engaged with the rack; a locking mechanism is arranged on one side of an engagement point between the adjustment gear and the rack, and comprises a locking block and a locking rod; the locking block is fixedly connected with a piston rod of a push air cylinder; the driving motor is connected with a control mainboard; and the control mainboard is connected with the push air cylinder. According to the height-adjustable intelligent desk lamp, the height of the lamp bulb can be adjusted vertically, so that an irradiated area can be adjusted, and the use requirement can be met fully.

Disclosed is a power supply equipment interface apparatus transmitted by use of a chain. The apparatus comprises a jack seat device (9) and a plug device (8). The plug device (8) is used for insertion into a cavity of the jack seat device (9) and has a tail end provided with a joint recess (82) for engagement with a joint projection (92) in the cavity so as to realize electrical connection. The jack seat device (9) comprises an end portion wall (91), a transverse side wall (99) and a seat body (98) opposite to the end portion wall (91) so as to enclose the cavity. The right end of the joint projection (92) is provided with a transmission block (99), the transmission block (99) is connected with the seat body (98) through elastic electrical connecting pieces (981, 982), the plug device (8) is provided with a positioning projection (81) engaged with the outer side of the end portion wall (91), the cavity is internally provided with a guide sleeve (7) fixedly connected with the inner wall of the end portion wall (91) and the seat body (98), and the guide sleeve (7) is provided with two transversely extending guide slots which are opposite to each other in a diameter direction.

A lockable power supply equipment interface device comprises a jack socket device (9) and a plug device (8), the plug device (8) is inserted into a hollow cavity of the jack socket device (9), a jointing notch (82) used for jointing with a jointing projection (92) in the hollow cavity to achieve electrical connection is formed in the tail end of the plug device (8), the jack socket device (9) comprises an end wall (91), a transverse sidewall (99) and a socket body (98) opposite to the end wall (91), the end wall (91), the transverse sidewall (99) and the socket body (98) enclose to form the hollow cavity, a positioning projection (81) used for jointing with the outer side of the end wall (91) is arranged on the plug device (8), a guiding sleeve (7) in fixed connection with the inner side of the end portion wall (91) and the socket body (98) is arranged in the hollow cavity, and two transversely-extending guiding slots opposite in diameter direction are formed in the guiding sleeve (7).

The invention provides power interface equipment comprising a housing (91), a power jack device (1) arranged at the lower side wall of the housing (91), and an electric plug unit arranged at the upper side wall of the housing (91). The power jack device (1) includes a power cable (3) and a power hole (2) electrically connected with the electric plug unit. The electric plug unit includes two top pressing screw rod assemblies (8) fixedly connected with the upper side wall of the housing (91), wherein the two top pressing screw rod assemblies are arranged symmetrically by using the longitudinal axis of the housing (91) as the center; and each top pressing screw rod assembly consists of a threaded fixed sleeve (82) fixed at the upper side wall of the housing (91) and a top pressing screw rod (81) in a screw-thread fit relation with a threaded hole (821) formed in the lower end wall of the threaded fixed sleeve (82).

The invention provides an indicative power supply device comprising a shell (91), a power supply jack device (1) which is arranged on the lower side wall of the shell (91) and a power utilization plug device which is arranged on the upper side wall of the shell (91). The power supply jack device (1) comprises a power supply cable (3) and a power supply hole (2) which is electrically connected with the power utilization plug device. The power utilization plug device comprises two abutting screw rod components (8) which are fixedly connected with the upper side wall of the shell (91). The two abutting screw rod components (8) are symmetrically arranged about the longitudinal axis of the shell (91), and each abutting screw rod component (8) comprises a threaded fixing sleeve (82) which is fixed on the upper side wall of the shell (91) and an abutting screw rod (81) which is matched with the threaded hole (821) in the lower end wall of the threaded fixing sleeve (82) in a threaded way.

The invention discloses power supply equipment. The power supply equipment comprises a shell body (91), a power supply jack device (1) and a power utilization plug device, wherein the power supply jack device (1) is arranged on the lower side wall of the shell body (91), the power utilization plug device is arranged on the upper side wall of the shell body (91), the power supply jack device (1) comprises a power supply cable (3) and a power supply hole (2) which is used for being electrically connected with the power utilization plug device, the power utilization plug device comprises two jacking screw rod assemblies (8) which are fixedly connected with the upper side wall of the shell body (91), the two jacking screw rod assemblies (8) are arranged in symmetry about a longitudinal axis of the shell body (91), and each of the two jacking screw rod assemblies (8) comprises a thread fixed sleeve (82) fixed on the upper side wall of the shell body (91) and a jacking screw rod (81) which is in thread fit with a threaded hole (821) in the lower end wall of the thread fixed sleeve (82).

The invention discloses a safety power supply interface device, which comprises a shell (91), a power supply jack device (1) arranged on the lower side wall of the shell (91) and a power plug device arranged on the upper side wall of the shell (91), wherein the power supply jack device (1) comprises a power supply cable (3) and a power supply hole (2) for being electrically connected with the power plug device; the power plug device comprises two ejection screw rod assemblies (8) fixedly connected onto the upper side wall of the shell (91); the two ejection screw rod assemblies (8) are symmetrically arranged relative to the longitudinal axis of the shell (91); and each ejection screw rod assembly comprises a thread fixing sleeve (82) fixed on the upper side wall of the shell (91) and an ejection screw rod (81) in thread match with a thread hole (821) in the lower end wall of the thread fixing sleeve (82).

A safe power supply device comprises a shell (91), a power supply jack device (1) and a power utilization plug device, wherein the power supply jack device (1) is arranged on a lower side wall of the shell (91), the power utilization plug device is arranged on an upper side wall of the shell (91), the power supply jack device (1) comprises a power supply cable (3) and a power supply hole (2), the power supply hole (2) is used for electrically connecting the power utilization plug device, the power utilization plug device comprises two top press screw rod assemblies (8), the two top press screw rod assemblies (8) are fixedly connected with the upper side wall of the shell (91) and are symmetrically arranged around a longitudinal axis of the shell (91), each top press screw rod assembly (8) comprises a thread fixed sleeve (82) and a top press screw rod (81), the thread fixed sleeve (82) is fixed on the upper side wall of the shell (91), and the top press screw rod (81) is in threaded matching with a thread hole (821) in a lower end wall of the thread fixed sleeve (82).

The invention discloses a power supply device. The power supply device comprises a shell (91), a power supply jack device (1) arranged on the lower side wall of the shell (91), and a power utilization plug device arranged on the upper side wall of the shell (91), wherein the power supply jack device (1) comprises a power supply cable (3) and a power supply jack (2) electrically connected with the power utilization plug device; the power utilization plug device comprises two jacking threaded rod assemblies (8) fixedly connected with the upper side wall of the shell (91); the two jacking threaded rod assemblies (8) are symmetrically arranged about the longitudinal axis of the shell (91); and each of the two jacking threaded rod assemblies (8) comprises a thread tightening sleeve (82) fixed onto the upper side wall of the shell (91) and a jacking threaded rod (81) which is in screw-thread fit with a threaded hole (821) in the lower end wall of the corresponding thread tightening sleeve (82).

The invention provides directive power supply equipment comprising a shell (91), a power supply jack device (1) which is arranged on the lower side wall of the shell (91) and a power utilization plug device which is arranged on the upper side wall of the shell (91). The power supply jack device (1) comprises a power supply cable (3) and a power supply hole (2) which is electrically connected with the power utilization plug device. The power utilization plug device comprises two abutting screw rod components (8) which are fixedly connected with the upper side wall of the shell (91). The two abutting screw rod components (8) are symmetrically arranged about the longitudinal axis of the shell (91), and each abutting screw rod component (8) comprises a threaded fixing sleeve (82) which is fixed on the upper side wall of the shell (91) and an abutting screw rod (81) which is matched with the threaded hole (821) in the lower end wall of the threaded fixing sleeve (82) in a threaded way.

The invention discloses a quick locking structure for a filter element. The quick locking structure comprises a locking assembly and a locking space, the locking assembly comprises a clamping part, anelastic part and a shifting part; the clamping part is provided with a locking end, the locking end can move relative to the locking space, and the locking end is provided with an extrusion surface which can be in contact with and extrude the circumferential side surface of the filter element; the elastic part is connected with the clamping part and enables the locking end to extend into the locking space; when the filter element penetrates into the locking space, the locking end extrudes the elastic part, and the elastic part generates force towards the locking end to move towards the filterelement located in the locking space; the shifting part is connected with the clamping part and can rotate automatically relative to the locking space; the shifting part can rotate relative to the locking space, so that the locking end can move relative to the locking space, and the extrusion surface extrudes or is separated from the circumferential side surface of the filter element. The quick locking structure has the advantages of realization of rapid installation and rapid unlocking of the filter element, simple and convenient operation and the like.

The invention discloses a clamping device for lamp post body weld joint treatment. The device comprises a moving unit, a movable clamping unit and a fixed clamping unit; the moving unit comprises a base plate, one end of the base plate extends upwards to be provided with a protective cover, a pair of guiding assemblies is arranged in the protective cover, and a driving assembly is arranged betweenthe guiding assemblies; the movable clamping unit comprises a lower fixing assembly arranged on the driving assembly, a clamping assembly is arranged at the upper end of the lower fixing assembly, the clamping assembly is provided with a locking assembly, the clamping assembly is used for clamping a lamp post body, and the locking assembly is used for locking the rotating angle of the clamping assembly; and the fixed clamping unit is the same as the movable clamping unit in structure and arranged at the other end of the base plate, and the driving assembly is used for driving the movable clamping unit to move in the length direction of the guiding assemblies. According to the device, fixing during rod body outer wall treatment and rod body supporting before fixing are facilitated, the fixing operation is simple, the position of the rod body can be adjusted after fixing, the rotating angle of the rod body can be conveniently locked after adjustment, and accordingly, the rod body outerwall treatment is facilitated, and the rod body outer wall treatment efficiency and treatment quality are improved.

The invention discloses a baby carriage. The baby carriage comprises two side frames and transverse levers, wherein each of the side frames comprises a front foot lever, a rear foot lever and a push lever; the push lever comprises a push lever handgrip, an upper push lever, a middle push lever and a lower push lever, wherein the upper push lever is arranged in the middle push lever in an inserting manner to realize locking or expanding or contracting, and the middle push lever and the lower push lever can be locked or folded when being hinged; each of the front foot levers is divided into an upper front foot lever and a lower front foot lever, a front support lever and a rear support lever are connected between each of the upper front foot levers and the corresponding lower push lever, and a foldable first four-connecting-lever mechanism is formed; the upper front foot lever and the rear foot lever are sequentially connected with a first connecting lever and a second connecting lever, and a second four-connecting-lever mechanism is formed; one end of each of the first connecting levers and the lower end of the corresponding front support lever are fixedly connected or integrally formed; and each first four-connecting-lever mechanism in a foldable state is overlaid on the upper side of the corresponding upper front foot lever, and each rear foot lever is overlaid on the lower side of the corresponding upper front foot lever. The baby carriage adopting the technical scheme is reasonable in structure, small in size after being folded and convenient and effortless to operate.