39results about How to "Not easy to quit" patented technology

The invention discloses a general self-lock type insulating protection sleeve matched with quick-connection terminals, leading the quick-connection terminals to be easy to be inserted into and unlikely to get out of the protection sleeve. Stop parts for the terminals are arranged at the middle section of the insulating sleeve body of the protection sleeve; stop grooves for the terminals are respectively arranged at the front and the back sides of the face part of the stop parts for the terminals, while corresponding stop lug bosses for the terminals are formed at the front and the back sides of the inner wall of the face part of the stop part for the terminals; a terminal cavity is arranged between the stop grooves for the terminals and the entry holes of plugging sheets; a longitudinal guiding convex groove is arranged at the central part of the inner wall of the face part of the terminal cavity; drum-shaped side parts are arranged at both sides of the middle section of the insulating sleeve body of the protection sleeve. The general self-lock type insulating protection sleeve matched with quick-connection terminals is mainly applied to match with the 250 type quick-connection terminals of different specifications.

The invention discloses a trapezoid locking steel plate with radian for treating femoral neck fracture, which comprises a trapezoid locking steel plate with a narrow upper end and a wide lower end; the trapezoid surface on the trapezoid locking steel plate, fit with the close end of femur, has radian; a central hole is arranged in the central position of the trapezoid locking steel plate; six locking holes are arranged in the trapezoid locking steel plate, and are parallel to the direction of the central hole; the six locking holes are arranged in a diffused manner towards the upper end, the left lower end and the right lower end by taking the central hole as the center; two locking holes are arranged in each direction; and locking bolts are arranged on the locking holes. In the invention, the locking holes which can fix the bolts in parallel are arranged on the trapezoid locking steel plate, so that the bolts can be completely fixed in parallel in the internal fixation treating link in the femoral neck fracture operation, the trapezoid locking steel plate can be placed uprightly or reversely and has radian so as to match the shape of near end of the femur, so that the bolts are hard to withdraw, the operation is simple, the time consumption is less, the fixation is reliable, and postoperation recovery is fast.

The invention discloses a minimally-invasive lumbosacral vertebrae axial fusion inner fixing system with a lock. The system is characterized in that a multi-hole connecting block is included, a locating aiming device and a screw implanting device are arranged on the multi-hole connecting block respectively, a locating aiming mechanism is arranged on the locating aiming device, and a fixing device is arranged between the multi-hole connecting block and the screw implanting device. As an improvement, through holes are evenly formed in the multi-hole connecting block, and the locating arming aiming device and the screw implanting device are arranged on the through holes of the multi-hole connecting block respectively. Fastening holes corresponding to the through holes are formed in the multi-hole connecting block. The fastening holes are connected with the fastening bolts in a thread mode. The system is simple in structure, the number of adjustable parts is small during using, operation is easy and convenient, the fact that displacement errors are small can be guaranteed, and implantation accuracy is improved.

The invention discloses an intelligent buoyancy waterproof optical cable cross-connecting box, and belongs to the technical field of optical cable cross-connecting box waterproof protection. The optical cable cross-connecting box can automatically rise according to rising of the flood level and can automatically descend according to descending of the flood level, and the optical cable cross-connecting box is automatically reset and arranged on a base after the flood disappears. The optical cable cross-connecting box comprises the base, a circular floating box and a telescopic pull rod. The optical cable cross-connecting box is arranged above the circular floating box, the lower bottom face of the optical cable cross-connecting box is fixed to the top end of the telescopic pull rod, and the bottom end of the telescopic pull rod is fixed to the inner wall of a pull rod containing cavity. A pin hole is formed in the base, and an electronic lock controlled by a buoyancy control device is arranged in the pin hole. The electronic lock is driven by the buoyancy control device to be opened and closed, and therefore the optical cable cross-connecting box can feely ascend and descend under the action of the buoyancy of the circular floating box, and it is guaranteed that signal transmission monitor equipment in the optical cable cross-connecting box cannot be inundated with the flood.

Disclosed is a dilated interbody fusion cage, comprising a fusion body (5) and a pushrod (7) connected to the axial thread of the fusion body (5) inside of the fusion body (5). The vertical projection of the fusion body (5) is a rectangle with a chamfer angle. An upper part of the fusion body (5) is a base part (4), a lower part is a head part (1), and an integral structure of a pawl teeth part (3) is arranged between the base part (4) and the head part (1). The pawl teeth part (3) is composed of side walls (17) of left and right two pawl teeth parts. An II-shaped pawl teeth frame (2) is connected to the pawl teeth part (3). A pawl teeth frame chute (16) is on the top of the side walls (17) of the two pawl teeth parts. A side wall trapezoid groove (18) is at the position of the connection to the head part (1). The bottom surface of the head part (1) is curved. A clamping head hole (19) is on the upper surface (15) of the pawl teeth frame. Pawl teeth (9) and a corresponding pawl teeth frame hole (10) are outside of two side walls of the pawl teeth frame (2). A pawl teeth frame head (11) fitted with the side wall trapezoid groove (18) on the side wall of the pawl teeth part is provided at the bottom of two side walls of the pawl teeth frame (2). A pushrod clamping head (8) is provided at the bottom of the pushrod (7). A clamping head hole (19) is mounted on the pushrod clamping head (8). A clamping head communicating groove (12) is on the pushrod clamping head (8). A pushrod shaft hole (13) provided at the pushrod (7) along the axis of the pushrod (7) is connected to the clamping head communicating groove (12).

The invention discloses a general self-lock type insulating protection sleeve matched with quick-connection terminals, leading the quick-connection terminals to be easy to be inserted into and unlikely to get out of the protection sleeve. Stop parts for the terminals are arranged at the middle section of the insulating sleeve body of the protection sleeve; stop grooves for the terminals are respectively arranged at the front and the back sides of the face part of the stop parts for the terminals, while corresponding stop lug bosses for the terminals are formed at the front and the back sides of the inner wall of the face part of the stop part for the terminals; a terminal cavity is arranged between the stop grooves for the terminals and the entry holes of plugging sheets; a longitudinal guiding convex groove is arranged at the central part of the inner wall of the face part of the terminal cavity; drum-shaped side parts are arranged at both sides of the middle section of the insulating sleeve body of the protection sleeve. The general self-lock type insulating protection sleeve matched with quick-connection terminals is mainly applied to match with the 250 type quick-connection terminals of different specifications.

The invention discloses an expansion screw sleeve, and belongs to the technical field of screw sleeves. When a screw is tightly screwed, the inner end of the screw sleeve can be clamped in a wall hole very well, so that the screw sleeve is not prone to retreating in a use process. The expansion screw sleeve comprises a body, wherein a neck pressing groove is formed in the front end of the outer side wall of the body, a reinforcing bead and an annular pressing piece are arranged in a sleeving manner on a neck pipe in the neck pressing groove, a pressing rod is arranged in a pipe cavity of the neck pipe, and two ends of the pressing rod are connected with the annular pressing piece; a pressing rod hole is formed in the pressing rod in the pipe cavity, an extrusion rotating pin is arranged in the pressing rod hole, a cavity of the reinforcing bead is filled with a glue body of AB glue, a lower cavity is filled with a hardener of the AB glue, and inner walls of an upper bead and a lower bead can be bonded and connected together after the glue body and the hardener are mixed; and an upper puncture needle and a lower puncture needle are arranged on the inner walls of the upper bead and the lower bead respectively.

The invention discloses a locking type sealing washer with high airtightness. The locking type sealing washer with high airtightness comprises a rubber ring. A sealing part is arranged on the front side of the rubber ring. A sealing part is arranged on the back side of the rubber ring. A skeleton is arranged inside the rubber ring. The skeleton comprises a first piece body, a second piece body, afirst pressing ring and a second pressing ring. A separation distance is reserved between the first piece body and the second piece body. A center hole is formed in the first piece body. A center holeis formed in the second piece body. The first pressing ring is arranged on the side, away from the second piece body, of the first piece body and abuts against the first piece body. The second pressing ring is arranged on the side, away from the first piece body, of the second piece body and abuts against the second piece body. A first annular protrusion is arranged on the face of the side, awayfrom the first piece body, of the first pressing ring. A second annular protrusion is arranged on the face of the side, away from the second piece body, of the second pressing ring. According to the locking type sealing washer with high airtightness, the strength of the part, in a sealing groove, of the deformation enlargement part of the skeleton is utilized to improve the sealing effect of the washer on a sealing surface.

The invention provides a technical scheme of threaded fusion cage. The threaded fusion cage comprises a fusion body and a push rod which is arranged in the fusion body and is axially connected with the fusion body in a threaded manner. The threaded fusion cage is characterized in that the vertical projection of the fusion body is a chamfered rectangle, the upper portion of the fusion body is a base portion while the lower portion is a head portion, and an integral structure of an inverted-tooth portion is arranged between the base portion and the head portion; the inverted-tooth portion is provided with a front inverted-tooth wall and a back inverted-tooth wall, two side walls are lacked, and corresponding inverted-tooth wall holes are formed in the two inverted-tooth walls; the head portion is an inverted trapezoidal platform, parallel head openings of the two inverted-tooth walls are formed in the bottom surface of the head portion, and both sides of the head opening in the inner wall of the head portion are inclined planes; a push rod transverse hole penetrating the push rod is formed vertical to the axis of the push rod in the middle lower portion of the push rod, and a push rod axle hole which is connected with the push rod transverse hole is formed along the axis of the push rod in the top end of the push rod.