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227results about How to "Simple fixed structure" patented technology

Cylindrical pushrod for needle-retracting safety injector and the needle-retraction controllable safety injector

The invention provide a cylindrical pushrod for the syringe needle-retracting safety injector, comprising an outer cylinder (1), an inner cylinder (2), a push pole (3), an underpinned piece (4) and a seal gasket (5); the push pole (3) is set at the front end of chamber of outer cylinder (1), its front end appears as a tubular shape or projects partially in the longitudinal direction, the back end of push pole (3) is supported on the underpinned piece (4); the underpinned piece (4) is set at the front end of the chamber of outer cylinder (1) and supports the push pole (3); the cylinder wall of the inner cylinder (2) supports the underpinned piece (4); a clamping structure is set at the tail of this cylindrical pushrod. With the safety injector with the cylindrical pushrod according to the invention, the medical personnel can control the time of the needle retraction as desired, and is not necessary to change their habitual injection practice, and thereby the safety injector is easy to operate. The invention also provide a safety injector, which can not only carry out the controllable retraction of the needle but also has a simple and crafty fixed structure of the needle stand to achieve the effect of reliable fixation as well as releasing with ease.
Owner:LIU WENJIE

Dielectric-filled circular waveguide circularly polarized antenna

The invention provides a dielectric-filled circular waveguide circularly polarized antenna, and includes a waveguide cavity (1) with a circular truncated cone and a dielectric rod (2) filled in the waveguide cavity. The waveguide cavity is formed by connecting a dielectric circular waveguide and a conical horn, a circular truncated cone and a rectangular end face tapered gradation waveguide (11) at the center of the circular truncated cone are manufactured on a rear end of the waveguide cavity, after transition to a circular waveguide (12) extending section, the rectangular end face taper gradation waveguide is connected with the conical horn (13) to form an antenna feed section which is filled in a feed end of a rear section of the tail of the dielectric rod in the waveguide cavity, a conical gradation feed matching section (21) and a front part front section radiation end are manufactured, a radiation matching section (23) formed by a circular truncated cone gradation transition section is manufactured, and a pair of radially symmetric air grooves (24) are manufactured on a cylinder of a circular polarizer (22) located in the middle of the dielectric rod (2), so as to realize a linear polarization-to-circular polarization function. The dielectric-filled circular waveguide circularly polarized antenna provided by the invention is particularly suitable for serving as an aperture-downsized circularly polarized waveguide antenna.
Owner:10TH RES INST OF CETC

Storage cabinet and robot for shifting storage cabinet

The invention discloses a storage cabinet and a robot for shifting the storage cabinet. The storage cabinet comprises a cabinet body; a baseplate is arranged at the bottom of the cabinet body; and part of the baseplate extends out of the cabinet body to form an extension end for providing a clamping groove. The robot comprises a main body and a chassis; the main body is arranged at one end of thechassis, and is provided with a control board; pulleys are arranged at the bottom of the chassis; a jacking device is arranged in the chassis; the pulleys and a driving mechanism in the jacking deviceare electrically connected with the control board in the main body; a lifting plate is arranged at an output end of the jacking device; the main body is provided with a clamping hook; the clamping hook is matched with the clamping groove; and when the jacking device drives the lifting plate to ascend to a preset position, the clamping hook is inserted in the clamping groove of the storage cabinetfor vertically and horizontally limiting the storage cabinet. The storage cabinet can be singly used; the robot can automatically transport the storage cabinet; the robot and the storage cabinet arestably connected and matched; and in the transportation process of the robot, the storage cabinet is not easy to fall, and can be effectively prevented from stealing.
Owner:SHANGHAI MROBOT TECH CO LTD

Multifunctional self-timer stick

PendingCN109668039AMultiple rotational degrees of freedomFlexible useStands/trestlesTelephone set constructionsEngineeringTimer
The invention provides a multifunctional self-timer stick, comprising a bracket, a clamping device, and an auxiliary handle, wherein the top of bracket is rotatianlly connected with a connecting head;the clamping device is configured to clamp electronic equipment; the clamping device is movably connected with the connecting head; the auxiliary handle is hinged with the connecting head; a lock handle assembly is arranged between the connecting head and the auxiliary handle; and the lock handle assembly is used for fixing the holding position of the auxiliary handle relative to the connecting head in a locking state and enabling the auxiliary handle to rotate relative to the connecting head in an unlocking state. On the basis of supporting by the bracket, the auxiliary handle can be used bya user to change the position of electronic equipment such as a mobile phone on the clamping device, so the stability during the position change process is improved obviously, especially the motion stability when the electronic equipment needs to be rotated during panoramic shooting is improved; the self-timer stick is beneficial to improving the shooting quality, more beneficial to ergonomic design, prevents the hand and arm of the user from being sore or diseased, and promots health and user experience.
Owner:SHENZHEN LUXURY UNITED TECH CO LTD

Adjusting mechanism of diaphragm plate of alignment system

The invention provides an adjusting mechanism of a diaphragm plate of an alignment system. The adjusting mechanism comprises an operation cabinet shell, a diaphragm plate fixing board, a sliding table fixing board and an Rz adjusting board, wherein the diaphragm plate fixing board and the sliding table fixing board are fixed on the operation cabinet shell, an XY sliding table is fixed on the sliding table fixing board, a sliding table connecting board is installed on the XY sliding table which is provided with a knob for controlling the sliding table connecting board to independently move in the X direction and the Y direction relative to the operation cabinet shell, the Rz adjusting board is provided with an arc track hole and is matched with guide pins which are arranged on the sliding table connecting board, the Rz adjusting board can slide in a track along the guide pins, i.e., the Rz adjusting board can rotate in the Rz direction relative to the sliding table connecting board, and a diaphragm plate assembly is fixed on the diaphragm plate fixing board. According to the adjusting mechanism of the diaphragm plate of the alignment system, three-degree-freedom independent adjustment on the diaphragm plate can be realized, and the convenience of the adjustment and the structure stability can be improved.
Owner:SHANGHAI MICRO ELECTRONICS EQUIP (GRP) CO LTD

Integrated injector of liquid rocket engine

The invention relates to an integrated injector of a liquid rocket engine. The integrated injector comprises a bottom plate, an outer barrel, fuel injection nozzles, oxidant injection nozzles, swirlers and flow equalization fixators. The outer barrel is provided with a center shaft. The center shaft and the barrel wall of the outer barrel are connected through an annular horizontal plate. The annular horizontal plate divides an inner cavity of the outer barrel into an upper cavity and a lower cavity. The sidewall of the lower cavity is provided with a plurality of fuel through holes. The bottom of the lower cavity is connected with the bottom plate. The bottom plate is provided with a plurality of fuel injection nozzle fixing holes. The annular horizontal plate is provided with a pluralityof oxidant injection nozzle fixing holes. Each fuel injection nozzle and the corresponding oxidant injection nozzles are adaptively connected to between each pair of fuel injection nozzle fixing holes and the corresponding oxidant injection nozzle fixing holes. Annular fuel channels are formed between the inner walls of the fuel injection nozzles and the outer walls of the corresponding oxidant injection nozzles. The top ends of the oxidant injection nozzles are inlaid in the corresponding swirlers. The flow equalization fixators are arranged in the upper cavity. The swirlers are fixed by theflow equalization fixators through a plurality of stand columns in one-to-one correspondence. Through the integrated injector, the fixing structure of the swirlers is simplified, and meanwhile, the oxidant flow uniformity is improved.
Owner:北京宇航推进科技有限公司

Light source fixing structure and portable lamp

The invention relates to a light source fixing structure and a portable lamp, wherein the light source fixing structure comprises a fixing seat, wherein the fixing seat is connected with a light source fixing end, a vibration absorption elastic sheet is arranged on the fixing seat, is formed by bending and folding an elastic rod and comprises a middle section, a front section and a back section, the front section and the back section are connected with two ends of the middle section, the middle section is provided with a bending and folding part, the bending and folding part tightly presses the upper surface of the light source fixing end, the free ends of the front section and the back section are respectively provided with a hook part capable of being reversely hooked on the fixing seat, and an included angle alpha between one hook part and the corresponding front section or the back section is smaller than 70 degrees. After the light source fixing structure provided by the invention is adopted, the buffer effect can be at least realized in the vertical direction and the horizontal direction, a light source is protected, the vibration absorption elastic sheet can also realize a certain buffer effect on the vibration absorption elastic sheet in other directions, and the all-position protection on the light source is realized. In addition, the light source fixing structure is simple, and the lamp tube mounting and dismounting is convenient.
Owner:OCEANS KING LIGHTING SCI&TECH CO LTD +1

Detection equipment of performance of automobile one-way valve

The invention relates to detection equipment of the performance of an automobile one-way valve. The detection equipment comprises a machine base. A detection position is reserved on the machine base. A detection device is arranged at the detection position and comprises an intake tube blocking mechanism positioning and blocking an intake tube of the one-way valve, an exhaust pipe blocking mechanism positioning and blocking an exhaust tube of the one-way valve and a valve fixing mechanism fixing the one-way valve. The intake tube blocking mechanism comprises an intake tube blocking base, and the intake tube blocking base is provided with an intake tube control air channel leading air into the intake tube of the one-way valve or exhausting air out of the intake tube of the one-way valve. The exhaust pipe blocking mechanism comprises an exhaust pipe blocking base, and the exhaust pipe blocking base is provided with an exhaust tube control air channel leading air into the exhaust tube of the one-way valve or exhausting air out of the exhaust tube of the one-way valve. By means of the detection equipment of the performance of the automobile one-way valve, automatic detection of the sealing performance and the antiknock performance of the automobile one-way valve is achieved. The detection equipment has the advantages that the detection efficiency is high and the detection result is reliable.
Owner:浙江伟望汽车零部件有限公司
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