17results about How to "Avoid random sliding" patented technology

The present invention discloses an ISOFIX assembly with multiple gears and strong locks for a child safety seat and a gear adjustment and locking method thereof, and relates to the field of child safety seats, and includes a locking member, a fixing frame, and a main body, wherein one end of the locking member is rotatably connected to two buckles on the inner side. In the present invention, when the control rod rotates, it drives the rotating disk to rotate in the movable groove, and due to the action of the control rod at a non-central position, a reverse force is generated on the movable frame, so that it moves in a straight line under the restriction of the first slide rail, and the movable frame drives the locking block to slide between the two blocks, and utilizes the inclined surface design at both ends of the locking block to interact with the blocks during the movement process to achieve the fixing and release of the gear sliding sleeve, and this mechanism enables the gear sliding sleeve to be adjusted to multiple gears on the surface of the main body, and is accurately connected to the car seat connecting shaft through the locking member at the bottom of the fixing frame, and each time the control rod is rotated, the position and movable direction of the locking block are changed accordingly, and a flexible and stable gear adjustment effect is achieved.

The utility model relates to the technical field of drainage tubes in gynaecology and obstetrics, in particular to a drainage tube angle adjusting device which comprises a heightening table, a connecting column is fixed to the middle of one side of a limiting plate, a fixing plate is fixed to the top of the other end of a supporting frame, and a handle is inserted into the middle of the fixing plate in a sliding mode. Through cooperative use of the installation supporting frame, the limiting plate, the fixing plate, the pipe supporting table, the handle, the limiting column, the movable plate, the reset spring, the fluted disc clamping block, the connecting column, the limiting ring, the formed limiting groove and the formed positioning clamping groove, the angle of the pipe supporting table can be rapidly adjusted, and the angle position of the pipe supporting table can be rapidly fixed after the pipe supporting table is adjusted. Through the cooperative use of the pipe supporting table, the binding belt, the rotating handle, the rotating rod and the rotating gear, the drainage pipe can be flexibly clamped and fixed according to the diameter of the drainage pipe, and the drainage pipe is prevented from sliding randomly in the using process.

The utility model relates to the technical field of scaffold wall connecting piece structures, in particular to a pre-embedded assembled scaffold wall connecting piece structure which comprises a supporting frame and an installation device, symmetrical fixing rings are arranged at the two ends of the supporting frame, pre-embedded pipes are arranged in the fixing rings, installation boxes are arranged on the side walls of the fixing rings, and the installation boxes are connected with the supporting frame. The mounting device comprises a spring, a moving block and a limiting column, a first through fixing hole is formed in the side wall of the fixing ring, the limiting column penetrates through the first fixing hole and is in sliding connection with the first fixing hole, a second through fixing hole is formed in the side wall of the embedded pipe, and the limiting column penetrates through the second fixing hole and is in sliding connection with the second fixing hole. The embedded pipe and the supporting frame are convenient to disassemble, the limiting column penetrates through the fixing ring and the embedded pipe, limiting and fixing can be conducted conveniently, and therefore disassembly and installation can be conducted conveniently and rapidly, great convenience is achieved, the work and installation efficiency is improved, and the use safety is improved.

This utility model discloses a telescopic webbing fixing buckle, including a fixing buckle body. One end of the fixing buckle body extends upward at an angle to form a bent portion. The fixing buckle body has a first mounting hole, a second mounting hole, and a third mounting hole sequentially formed from right to left. The first and second mounting holes are for mounting the telescopic webbing, allowing the telescopic webbing to slide forward or backward along the first and second mounting holes to adjust its length. By creating the first and second mounting holes on the fixing buckle body and an anti-slip protrusion at the first mounting hole, this utility model achieves a multi-directional bending effect on the telescopic webbing and provides anti-slip limiting for the telescopic webbing sliding forward or backward, improving the stability of the telescopic webbing after adjustment and preventing it from sliding freely.

The invention relates to the technical field of eye image processing, in particular to a corneal topography instrument which comprises a base, a supporting mechanism and a movable corneal topography instrument body are arranged on the base, the supporting mechanism comprises symmetrically-arranged stand columns, and lifting blocks are slidably arranged at the ends, close to the symmetric center, of the stand columns. A positioning strip used for limiting the forehead position of a patient is connected between the two lifting blocks, a lifting rod is slidably arranged between the two stand columns, a sliding table is slidably arranged on the lifting rod, a containing groove used for supporting the jaw of the patient is formed in the sliding table, a lifting table is elastically connected into the containing groove, a locking block is elastically connected into the sliding table, and a locking groove is formed in the lifting rod. A locking rod is arranged in the locking block in a sliding and penetrating mode, and a plurality of locking holes are formed in the locking groove. Therefore, the supporting mechanism can be quickly adjusted, the operation time is saved, the working efficiency is improved, the comfort degree of a patient is improved, the adjusting range is large, and the application range is wide.

This utility model discloses a retainable quick-release connection device for greywater collection, relating to the field of greywater collection technology. The retainable quick-release connection device includes a sink base box with a hinged door on one side. A greywater collection tank body is installed inside the sink base box. Insertion holes are provided on both sides of the greywater collection tank body. A quick-release anti-accidental contact structure is located on the sink base box. Operators can easily fix and disassemble the greywater collection tank body by simply sliding and pulling the handle, without the need for complex tools. The "L"-shaped structure of the sliding groove and the elastic force of the coil spring ensure that the connecting rod is perpendicular to the insertion rod under normal conditions, preventing the insertion rod from detaching from the insertion hole. Simultaneously, the spring prevents the connecting rod from sliding arbitrarily, thus facilitating scenarios requiring frequent maintenance of the greywater collection tank body and further improving the safety and reliability of the device.

The utility model relates to drawer's sliding structure technical field more specifically, relate to a fastener and slide rail structure and drawer, wherein the fastener includes the main part, and two guide grooves are established in parallel on the main part, and first limit piece is established between two guide grooves still, still including second limit piece and connecting piece, the second limit piece protrudes the main part end part setting, the connecting piece both ends are connected with second limit piece and main part respectively, and form two place limits in the both ends of connecting piece, form accommodating space between two place limits, second limit piece with connecting piece all are located between two guide grooves or between the extension line of two guide grooves, second limit piece and connecting piece all are flexible material, the utility model can overcome the problem that the drawer of prior art is not convenient to install, has promoted the convenience when installing, has improved installation efficiency.

This utility model relates to the technical field of high-efficiency transmission systems for dual-stage drive shaft assemblies in vehicles. It discloses a high-efficiency transmission system for dual-stage drive shaft assemblies in vehicles, including a transport box, a cover plate, screws, and a sliding joint. The screws are threadedly connected to the top of the transport box and the top of the cover plate. The right end of the sliding joint is fixedly connected to a first shaft. Through a set fixing component, the screws fix the cover plate and the transport box, causing the spring to compress and generate elastic force, which drives two sets of rubber pads to adhere to the upper surfaces of the sliding joint and the fixed joint, longitudinally pressing the drive shaft assembly from both ends. The rubber pads make flexible contact, avoiding damage to the surfaces of the sliding joint and the fixed joint. Friction restricts its vertical movement. Combined with a rotating rod, a limiting block, and a limiting groove, the pressing state of the rubber pads is fixed, preventing vibration from causing spring failure or component loosening. This ensures the drive shaft assembly is stably positioned on the sponge pads, achieving reliable fixation and protection, and ensuring the structural integrity and performance after transportation and storage.

The utility model discloses permanent magnet motor rotor installation instrument relates to permanent magnet motor rotor installation instrument technical field, including the operating table that the support frame is fixedly connected with the top, the both sides of support frame all are established and moved the groove, the inside slide of moving groove is provided with the sliding frame, the inside slide of sliding frame is provided with the moving block, the upper and lower both ends of moving groove all are established and have first sliding slot, the inside slide of first sliding slot is provided with the first sliding block. This permanent magnet motor rotor installation instrument, by setting up support frame, sliding frame, elastic telescopic link and extrusion subassembly etc. structure, to permanent magnet motor rotor from top to bottom extrusion fixed, convenient operation, the clamping plate can move along the axial movement of rotor simultaneously, adjust the contact position of clamping plate and rotor, be convenient for to the rotor operation such as overhauling, increase the flexibility of permanent magnet motor rotor installation instrument use, and can avoid the structure such as sliding frame and slide at random, improve the use efficiency of permanent magnet motor rotor installation instrument.

The utility model relates to the field of zipper accessories, concretely relates to a combined module pull tab structure, solves the problem that the long pull rope pull tab structure is easy to use, and the utility model relates to a combined module pull tab structure, solves the problem that the long pull rope pull tab structure is easy to use, including: pull rope, the pull rope has first rope end, second rope end, fixed pull tab body, first rope end and second rope end embed and fix in, to make the pull rope between first rope end and second rope end form the rope loop part, movable pull tab body, the movable pull tab body is hollow structure with the through channel, the rope loop part is arranged in the through channel to make the movable pull tab body can move and set up on the rope loop part, the fixed pull tab body and the movable pull tab body combination form the pull tab body, the utility model is applied to the pull tab accessory of zipper.

The utility model discloses a double-layer oil tank for petroleum storage, and relates to the technical field of oil tanks, the double-layer oil tank comprises an outer tank body and an inner tank body, the inner tank body is located in the outer tank body, the outer side of the outer tank body is fixed and communicated with an exhaust funnel, a sealing plug is slidably connected in the exhaust funnel, a pressure sensor is installed on the outer side of the sealing plug, and the pressure sensor is connected with the inner side of the outer tank body. When the air supply device is used, after the external environment temperature rises, the air pressure is increased, air can push the piston and compress the pressure relief spring to enter the air supply assembly, the air is prevented from being directly exhausted, the use cost is reduced, and after the environment is stable, the pressure relief spring can be compressed by the pressure relief spring to enter the air supply assembly. When the oil storage tank is used, gas can be re-injected into the cavity of the inner tank body and the cavity of the outer tank body through the gas supplementing assembly, and the initial compression amount of the pressure relief spring can be accurately adjusted by adjusting the sliding position of the pressing plate and taking data of the pressure sensor as reference through the driving mechanism, so that the pressure relief threshold value is adjusted, and diversified oil storage working condition requirements can be met.

The application discloses a steel pipe placing rack, and belongs to the technical field of steel pipe placing racks.The steel pipe placing rack comprises a bottom plate, supporting rods and an inclined table, the inclined table is fixedly provided with a baffle, the inclined table is fixedly provided with connecting rods, the connecting rods are fixedly provided with connecting barrels, the connecting barrels are installed with longitudinal rods and transverse rods, the longitudinal rods are fixedly provided with side supporting plates, the transverse rods are slidably connected with middle supporting plates, the connecting barrels, the longitudinal rods and the transverse rods are connected with transverse connecting barrels and longitudinal connecting barrels respectively, the transverse connecting barrels and the longitudinal connecting barrels are both provided with clamping holes, and the longitudinal rods and the transverse rods are both slidably provided with anti-skid blocks and spring clamping rods.The application has the beneficial effects that the steel pipe can be prevented from sliding randomly in the transportation process, the safety and stability in the transportation process are improved, the positioning and installation of the supporting plates are convenient and fast, the rotation of the side supporting plates is synchronous, and the steel pipe placing rack is convenient to control.

The utility model relates to the technical field of chair covers, in particular to a backrest chair cover assembly, which aims to solve the technical problems of inconvenience in installation and easiness in abrasion in the prior art, and is mainly realized by the following technical scheme: the backrest chair cover assembly comprises a chair cover main body sleeved on a chair main body, the chair cover main body comprises a contact part, a back part and a lower hem part, the contact part comprises a cushion surface and a backrest surface, each of the cushion surface and the backrest surface comprises a contact layer, a waterproof layer and a wear-resistant layer, a thickening sheet is connected between the contact part and the back part, and the chair cover main body can directly sleeve the chair main body and is convenient to use; the contact portion, the back portion and the lower hem portion are arranged to tightly wrap the seat body, abrasion and contamination of the seat body are avoided, abrasion resistance and skid resistance of the seat cover body can be improved by adding the pull rope to be matched with the abrasion-resistant part, friction force is increased when contact abrasion of cloth is reduced, and random sliding of the cloth is avoided.

The utility model discloses a sticker positioner for a grating shell, and relates to the field of grating production, the sticker positioner comprises a base, supporting frames are fixed to the two ends of the top of the base, moving seats are slidably connected to the middles of the two supporting frames, a supporting cross rod is fixed to the middles of the two moving seats, and a laser transmitter is slidably connected to the top of the supporting cross rod; and an adjusting ring is arranged at the bottom of the laser transmitter. According to the device, an adjusting ring is adjusted according to the size of a sticker, the size of laser emitted by a laser emitter is adjusted, a first servo motor is controlled to drive a first threaded rod to rotate, then a sliding block is driven to slide in a sliding groove, the position of a first limiting plate is adjusted, and a second servo motor is controlled to drive a second threaded rod to rotate; and then a threaded block is driven to move, the position of a second limiting plate is driven to be changed, the position where the sticker is pasted is located in the aperture after the grating is placed, and therefore the effect that the sticker can be pasted correctly is guaranteed, and pasting is more attractive.

The invention provides an air conditioner fresh air system and belongs to the technical field of fresh air systems. Comprising an air inlet pipe, an exhaust pipe and a filter plate, the diameter of the filter plate is larger than that of the air inlet pipe and that of the exhaust pipe, a guide frame is communicated between the air inlet pipe and the exhaust pipe, and the upper end and the lower end of the guide frame are both communicated with material fixing frames. A vertical rod can be turned over to be vertical, then the vertical rod is moved downwards, an ejection block can eject a forefront filter plate downwards until the forefront filter plate is ejected into an air inlet pipe, so that air entering the air inlet pipe is filtered, and at the moment, the filter plate is supported through two push plates to be prevented from falling off; when the filter plate in the air inlet pipe needs to be cleaned after being used for a period of time, the filter plate at the foremost end in the upper storage barrel is downwards extruded through the vertical rod, then the filter plate in the air inlet pipe is downwards jacked into the air exhaust pipe, a new filter plate is arranged in the air inlet pipe again, indoor air is exhausted through the air exhaust pipe, and the indoor air is purified. At the moment, dust is blown to the filter plate in the exhaust pipe.