10results about How to "Prevent hyperextension" patented technology

The corrugated pipe with the limiting structure comprises a corrugated pipe body, a limiting pipe, a fixing ring and a spring, the limiting pipe is arranged in an inner cavity of the corrugated pipe body, an interlayer is arranged between the corrugated pipe body and the limiting pipe, a compression resisting ring is arranged on the outer surface of the limiting pipe, and the spring is arranged on the inner surface of the compression resisting ring. Wherein a groove is formed in the inner surface of one group of pipe orifices, and a convex pipe is arranged on the right end face of the other group of pipe orifices. According to the corrugated pipe with the limiting structure, when the corrugated pipe deforms, the limiting pipe is arranged in the corrugated pipe body, so that the deformation range of the corrugated pipe is effectively limited, the limiting effect is achieved, it is guaranteed that the corrugated pipe cannot be excessively stretched or compressed in the using process, and therefore the shape and the structure of the corrugated pipe are kept stable, and the limiting purpose is achieved; the deformation range of the corrugated pipe is limited through the fixing ring and the spring which are connected to the outer surface of the limiting pipe in a sleeving mode, partial stress caused by thermal expansion is absorbed, the shape stability of the corrugated pipe is kept, and therefore the limiting effect is achieved.

The present invention discloses an intelligent pillow system with multi-zone airbag adjustment. The present invention precisely senses the head position and sleeping posture through a high-density fiber pressure sensor array, and based on this information, drives an innovative "single air pump + multiple electronic control valves" and "integral airbag + partitioned air conduction" structure, achieving remarkable beneficial effects: First, by immediately triggering the overall descent protection when the head is tilted up / down, it can actively prevent hyperextension and hyperflexion of the cervical vertebra, effectively reducing the risk of neck pain and discomfort. Second, the sensor without protrusions embedded and the PWM smooth adjustment of the airbag ensure a comfortable experience; the system adopts a single power unit and logical partition design, greatly simplifying the air circuit, significantly reducing the hardware cost, power consumption, and the failure rate of easy leakage in multi-chambers, and improving the reliability. In addition, the interaction mode combining user-set instructions and automatic recognition takes into account both convenience and personalization, and the self-learning module enables the pillow to continuously adapt to the user's habits, achieving long-term precise personalized support.

The utility model discloses a kind of lifting fan anchor bolt tools, it is related to anchor bolt installation technical field.The utility model includes hook part, including semicircle ring, the outer edge middle part of semicircle ring is fixedly connected with connecting rod;Connecting part, including sleeve seat, the top of sleeve seat is fixedly connected with sector plate, the outside of sector plate is rotatably connected with U-shaped seat;Lifting part, including inner rod, the outside of inner rod is movably sleeved with L sleeve pipe;The inside of sector plate is provided with multiple positioning screw holes, the inside of U-shaped seat is rotatably connected with the positioning bolt of transverse through, and positioning bolt is threadedly sleeved in the inside of corresponding positioning screw hole;Multiple adjusting holes are equidistantly provided in the inside of inner rod along axial direction, the outside of L sleeve pipe is fixedly connected with two symmetrical spring bolts, and spring bolt is movably inserted in the inside of corresponding adjusting hole.The utility model is by the length of flexible adjustment lifting part and power angle, to adapt to the operating habit of different body type operator, so that operation is more labor-saving.

The invention relates to the technical field of medical beds, in particular to an ultrasonic department medical bed convenient for fixing limbs of a patient, which comprises a support frame, the bottom of the support frame is fixedly connected with moving wheels, the top of the support frame is fixedly connected with a bed board, the bed board is used for supporting the body of the patient, and the outer side of the bed board is fixedly connected with a headrest. The leg supporting device is arranged, the thigh part of a patient is placed on a cushion block, then an electric push rod works to push a sliding adjusting block to slide in a supporting block, and therefore the overall length of the leg supporting device is changed. In this way, it can be ensured that the legs of the patient can be completely placed on the leg supporting device, the comfort level of the patient is improved, and stable supporting is provided for the legs. By arranging the limiting assemblies, the legs of the patient are fixed, and therefore it can be guaranteed that the legs are in a stable fixing state all the time, and the elastic clamping plates are prevented from being accidentally loosened in the using process.

The utility model relates to the technical field of medical instruments, and discloses a knee joint load bearing jig which comprises a fixing piece, the side face of the fixing piece is fixedly connected with two fixing assemblies, the side face of the fixing piece is fixedly connected with two fixing grooves, the interiors of the two fixing grooves are fixedly connected with load bearing assemblies through screws and threads, and the load bearing assemblies are fixedly connected with the fixing pieces. The side face of the fixing piece is fixedly connected with a connecting piece, the side face of the fixing piece is fixedly connected with a fixing square piece, and the side face of the connecting piece is fixedly connected with a protection assembly. According to the knee joint load bearing jig, through the arrangement of the fixing assembly, when the knee joint load bearing jig is used, a person puts the device at the knee joint of a patient, then pulls a fixing belt to penetrate through a limiting square buckle, then the device is fixed to the knee joint of the patient through hook-and-loop fasteners fixedly connected to the surface of the fixing belt, and the hook-and-loop fasteners are beneficial for the fixing belt to adapt to patients of different body types; and meanwhile, the device can be effectively fixed, the device is prevented from falling off, and safety accidents are avoided.

The utility model provides an operative position pad. The operative position pad comprises a pad layer and a headrest assembly arranged at one end of the top face of the pad layer. The headrest assembly comprises a water absorption pad, a head support and a blocking piece, the head support is arranged in the middle of the top face of the water absorption pad, the blocking piece is arranged on the rear side of the top face of the water absorption pad, an arc-shaped groove is formed in the middle of the blocking piece, the width of the blocking piece is smaller than or equal to that of the water absorption pad, and the height of the lowest point of the arc-shaped groove is larger than that of the head support. The operative position pad is used for being cushioned on an operating bed during head and face operation, the head is cushioned to a certain height through the head support, the blocking piece is supported on the neck of a patient, the head of the patient can be prevented from stretching or bending excessively, and operation is facilitated; body fluid such as disinfectant, normal saline and blood generated by an operation can be absorbed by the water absorption pad after flowing down along the head and the face, the mixed liquid can be prevented from flowing to the shoulders and the back of a patient to pollute the body of the patient through the blocking piece, the comfort of the patient is improved, meanwhile, cleaning by medical staff after the operation is facilitated, and the workload is reduced.

The invention provides a safety belt locking device and a pole climbing safety belt device.The safety belt locking device is characterized in that a main body part is provided with a containing cavity; the rotating shaft is rotatably arranged on the main body part in a penetrating manner; the receding opening is formed in the main body part and communicates with the containing cavity, and the first ratchet wheel structure is arranged on the side wall of the containing cavity and is spaced from the safety belt in the axial direction of the rotating shaft; the first locking structure is arranged in the containing cavity, the elastic piece applies elastic force to the first locking piece so that the first locking piece can be kept in a retraction unlocking state, and when the rotating speed of the rotating shaft in the first direction is larger than a preset value, the first locking piece is switched to an extending locking state from the retraction unlocking state and is matched with the first ratchet wheel structure in a stopping mode; the spring structure drives the rotating shaft to rotate in the second direction and winds the safety belt around the rotating shaft. According to the technical scheme, the problems that in the prior art, a safety belt locking device is prone to failure, and safety accidents happen are effectively solved.

This utility model discloses a geological hammer device for geological exploration, specifically relating to the field of geological exploration technology. It includes a hammer handle, a hammer head fixedly connected to one side of the handle, a flat-headed hammer body fixedly connected to the bottom of the hammer head, a slot on the inner side of the flat-headed hammer body, a retaining groove at the bottom of the flat-headed hammer body, and a replacement mechanism on the inner side of the flat-headed hammer body. The replacement mechanism includes three insert rods, the outer side of which inserts into the inner side of the slot, and a pointed tip fixedly connected to the bottom of each insert rod. This utility model allows for replacement of only the pointed tip when the tip of the flat-headed hammer body wears down, eliminating the need to replace the entire hammer, thus reducing long-term operating costs. Different hardness tips can be selected according to the rock material, achieving a balance between durability and functionality. Simultaneously, the telescopic hammer handle can be flexibly adjusted in length according to the user's height and arm length, avoiding bending over or excessive extension during operation, effectively reducing the risk of muscle strain, reducing the carrying volume, and improving the working efficiency, comfort, and environmental adaptability of the geological hammer.

This utility model relates to the field of electronic equipment technology, and in particular to a retractable cable storage device, comprising a first housing and a second housing. The first housing covers the second housing to form a receiving space, within which a first circuit board and a winding structure with a cable wound are disposed. The first housing and the second housing are detachably connected. The first circuit board is located between the winding structure and the inner surface of the first housing, and is detachably connected to the first housing. The first circuit board includes an input terminal. At least two through holes are provided on the first housing, with the through holes located along the edge of the side of the first housing facing away from the receiving space. The input terminal of the first circuit board is exposed through one of the through holes. This allows for adjustment of the position of the input terminal of the first circuit board by disassembling and reinstalling the first housing and the first circuit board, facilitating connection needs in different directions for users.

The utility model discloses an adjustable motorcycle frame, it includes main beam, the top of main beam is provided with the saddle, and one end fixed mounting of main beam has the outer tube, and the inside movable sleeve of outer tube has the inner tube, and the fixed mounting of fixed plate has outside outer tube. Through above -mentioned structure, the adjustable motorcycle frame of this technical scheme, the movable sleeve of inner tube in outer tube, cooperate three mounting round holes on outer tube, second spring, limit axle and steel ball, and a plurality of limit holes on inner tube, and the rider can according to own shoulder and arm stretch demand, press the limit ring and make the steel ball on limit axle separate from the limit hole of inner tube, can promote the inner tube to slide to the suitable height in the outer tube, and the steel ball is fixed in the corresponding limit hole under the action of second spring, and the handlebar height is adjusted easily, to avoid higher rider bending and riding or the height of shorter rider arm needs excessive stretching.