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

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 relates to an intercooler double-track welding device. A base plate (1) and a framework (2) are included. A rotation positioning unit (3), welding units (4), a lower supporting unit (5)and an upper pressing unit (6) are further included. A to-be-welded workpiece (7) is fixed to the lower supporting unit (5) through the rotation positioning unit (3) and the upper pressing unit (6). The welding units (4) on the two sides are used for welding, and after one face is welded, the rotation positioning unit (3) is used for overturning the workpiece (7) for welding of the other face. Compared with the prior art, the device is high in welding efficiency, double-track welding is conducted through the double-track and double-gun automatic welding device, left-right erecting frameworks are used for making left and right welding guns run along tracks, the welding guns run to the start position of the workpiece (7) to start welding, and after one side is welded, the workpiece (7) is overturned through a rotation hand wheel.

The invention discloses a steam cabinet, which comprises a cabinet body, a plurality of inner containers, turnover doors, a steam pipeline and a steam generator, wherein the inner containers are arranged in the cabinet body from top to bottom, the steam generator is installed below the cabinet body, one end of the steam pipeline is communicated with the steam generator, and the other end of the steam pipeline is respectively communicated with each inner container, a drain pipe is respectively arranged in each inner container, the turnover doors are respectively pivoted with the lower ends of the inner containers, the steam cabinet also comprises a plurality of elastic devices, each elastic device comprises a spring case, a spring and a connection piece, wherein the spring cases are respectively fixed on the two side walls of the inner containers, and the springs are installed in the spring cases, one end of each spring is fixed with the in sides of the spring cases, the other end of each spring is extended out of the spring cases and fixed with one end of each connection piece, and the other ends of the connection pieces are connected with the in sides of the turnover doors. The steam cabinet has good leak tightness, high steaming speed, and good steaming effects.

The invention discloses a rotation driving docking mechanism with the fault tolerance characteristic. Two devices are in docking through mutual cooperation of a docking executing mechanism and a docking positioning mechanism. The docking executing mechanism is provided with rotary conical rotation heads driven by a drive mechanism to rotate. The docking positioning mechanism is provided with conical cylindrical positioning heads, the conical cylindrical positioning heads are matched with the conical rotation heads, and accordingly the conical positioning heads stretch into the positioning heads. Docking bosses are designed on the outer walls of the rotation heads, and positioning bosses are designed on the positioning heads. When the two devices are in docking, the rotation heads are inserted in the positioning heads, the rotation heads are driven by the drive mechanism to rotate, the lower surfaces of the docking bosses are in lap joint with the upper surfaces of the positioning bosses, and docking of the two devices is achieved. The rotation driving docking mechanism has the beneficial effects that conical docking faces are adopted between the docking executing mechanism and the docking positioning mechanism, certain fault tolerance is achieved in the docking process, and docking can be finished under the situation that the docking precision is not high.

The invention provides a dilated threaded fusion cage. The dilated threaded fusion cage comprises a fusion body and a push rod which is in axial threaded connection with the fusion body in the fusion body; the vertical projection of the fusion body is a rectangle with a chamfer; the upper part of the fusion body is a base and the lower part of the fusion body is a head; an integral structure of a pawl part is arranged between the base and the head; the pawl part consists of a left pawl part side wall and a right pawl part side wall and is connected with an n-shaped pawl frame; tops of the two pawl part side walls are provided with pawl frame chutes, and joints between the two pawl part side walls and the head are provided with side wall trapezoidal grooves; the bottom surface of the head is arc; a chuck hole is formed in a pawl frame top surface; pawls and corresponding pawl frame holes are formed on the outer sides of two side walls of the pawl frame; bottoms ends of the two side walls of the pawl frame are provided with pawl frame heads matched with the side wall trapezoidal grooves in the pawl part side walls; a push rod chuck is arranged on the lower part of the push rod; the chuck hole of the pawl frame is arranged in the push rod chuck; a chuck straight slot is formed in the push rod chuck; the push rod is provided with a push rod axial hole along the axis of the push rod to be connected with the chuck straight slot.

The invention discloses an embedded optical cable splice box prevented from being submersed by water, and belongs to the technical field of optical cable splice box water resistance and protection. The embedded optical cable splice box can ascend or descend automatically according to rising or falling of the water level of water accumulated in a pit till the splice box returns back to the original position. The embedded optical cable splice box comprises a base, a circular buoyancy tank and a telescopic pull rod. An embedded optical cable splice box body is arranged above the circular buoyancy tank, the lower bottom face of the embedded optical cable splice box body 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 placing cavity. An air-pressure lock pin controlled by an air-pressure control device is arranged in a pin hole of the base. The air-pressure control device comprises an air-pressure piston cylinder, a rope and a buoyancy power mechanism. The buoyancy power mechanism pulls and drives a piston of the air-pressure piston cylinder through the rope by virtue of the ascending buoyancy to move so as to drive the air-pressure lock pin to be opened and closed, so that the embedded optical cable splice box can freely ascend and descend under the action of the buoyancy of the circular buoyancy tank, and it is guaranteed that a signal transmission and monitoring device in the embedded optical cable splice box cannot be submersed by flood.

The invention discloses a segment joint water leakage treatment method of a shield tunnel in an operation period. The segment joint water leakage treatment method of the shield tunnel in the operationperiod takes blocking as the main purpose, combines the blocking with discharging, adjusts measures to local conditions, and comprehensively treats water leakage. In the tunnel maintenance process, the segment joint water leakage treatment method of the shield tunnel in the operation period adopts the comprehensive treatment construction method including the steps of filling segment joints with acrylate in a pouring mode for blocking water, using EPDM (ethylene propylene diene monomer) strips for filling the joints again to achieve water resistance and preforming water outlet channels in thejoints preformed in two sides of the tunnel for discharging water, and achieves good treatment effect.

The invention discloses a locking screw of a minimally invasive lumbosacral vertebrae locking axial fusion internal fixation system. The locking screw comprises an axial fixing screw and an unidirectional locking screw, wherein the axial fixing screw and the unidirectional locking screw are connected with each other, a plurality of through holes are formed in the axial fixing screw, inner threads are arranged in the through holes, and one end of the unidirectional locking screw is movably connected with the inside of the through holes. The axial fixing screw comprises a screw front portion and a screw rear portion, and a through hole is formed in the screw front portion and the screw rear portion. The locking screw is simple in structure, reasonable in design, and capable of improving anti-rotation stability, a thread portion at the small end of the locking screw is rotatably locked in the through holes in the axial fixing screw for unidirectional locking so that the locking screw is not prone to exit, and the locking screw has the anti-rotation, anti-compression, anti-stretching, and anti-bending functions.

The invention discloses a connector applied to a cupboard decorative line. The connector applied to the cupboard decorative line comprises a decorative line connector and a cupboard connector, the decorative line connector comprises a line base plate and a line connecting plate, and the cupboard connector comprises a cupboard base plate and a cupboard connecting plate; the line connecting plate is fixed on the line base plate, and the cupboard connecting plate is fixed on the cupboard base plate; a bulge is arranged at one end of the line connecting plate, a groove is formed in a space between the cupboard connecting plate and the cupboard base plate, and the bulge of the line connecting plate is clamped in the groove after the decorative line connector and the cupboard connector are assembled. According to the connector applied to the cupboard decorative line, the decorative line is quickly and easily fixed on the cupboard, and the decorative line is detachable, so that accumulated dust is convenient to clean and is prevented from influencing the overall appearance of the cupboard.

The invention discloses a dismounting and mounting tool for a stud bolt, which comprises an outer screw, wherein the upper end of the outer screw is connected with a handle; an inner thread hole is formed at the lower end of the outer screw; two symmetrical sides of an outer wall of the lower part of the outer screw are linearly cut; and a nut is in threaded combination with the outer screw. The tool has the advantages that the stud bolt is convenient and time-saving to dismount and mount.

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.

The invention provides an anti-loose nail which comprises a nail body. A plurality of barbs are distributed on the side surface of the nail body. A cavity is formed in the middle of the nail body; a nail needle with the length smaller than that of the cavity is arranged in the cavity, and the head of the nail needle is in a wedge shape; transverse through holes are formed in the two sides of the head of the nail needle; movable blocks are arranged in the through holes; one end of each movable block is in contact with the wedge face of the head of the nail needle, and the other end of each movable block is flushed with the surface of the nail body. The anti-loose nail has the beneficial effect that the barbs on the surface of the nail body can fixedly hook an object without easy retracting; after the nail is driven into the object, the nail needle is pushed forwards, the wedge face on the head of the nail needle pushes the movable blocks out of the two sides, and the movable blocks transversely protrude out of the surface of the nail body; the nail body is more firmly embedded into the nailed object, and the phenomenon that due to shaking or stressing, the nail loosens and drops is avoided. The anti-loose nail has the advantages of being simple in structure, reasonable in design, firm in fixation, good in safety and the like.

The invention discloses an improved toner barrel which structurally comprises a barrel body, wherein a toner conveying piece is arranged inside the barrel body; a top cover is arranged on the top of the barrel body; a T-shaped spiral groove is formed in the surface of the barrel body; an L-shaped thread and at least one withdrawing-stopping groove are formed in the bottom of the top cover; a toner outlet is formed in the upper part of the top cover; a toner outlet sealing ring is arranged on the outer side of the toner outlet in a sliding manner; a second sealing ring and a third sealing ring are arranged at the upper part of the toner outlet sealing ring; a first sealing ring and a fourth sealing ring are further arranged on the outer side of the toner outlet. By adopting the improved toner barrel, the defects in the prior art can be improved, by changing the structure of the thread and omitting the structure of double-piece sponges and springs between the toner outlet and the toner outlet sealing ring, the sliding resistance is reduced, and after the toner outlet is opened, no extra pressure is caused between the toner barrel and a machine, so that the toner barrel can rotate smoothly.

The invention discloses a composite truss, a composite truss assembly and a composite truss combination. The composite truss comprises a strip-shaped rigid structure body (2), a strip-shaped rigid connecting body (4) forming an inferior angle with the structure body (2) and clamping-connecting devices (6) arranged on the connecting body (4) and is characterized in that a plurality of connecting holes (8) are formed in the rigid structure body (2) and are matched with connecting parts and used for connection of the multiple structure body (2), the number of the clamping-connecting devices (6) is at least two, each clamping-connecting device (6) comprises a clamping groove (10) and a clamping hook (13) used in quitting from the clamping groove (10) and used for decreasing an opening of the clamping groove (10). The composite truss is suitable for a wall framework structure consisting of multiple trusses provided with fasteners and one net plate through splicing, connection of the matching portion of a spliced and combined wall framework structure and the clamping-connecting device (6) is simple, and quitting does not easily occur after connection. Therefore, good connecting rigidity and connection can be ensured, and accordingly the problem occurred in the prior art is solved.

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 discloses an embedded optical cable splice box prevented from being submersed by water, and belongs to the technical field of optical cable splice box water resistance and protection. The embedded optical cable splice box can ascend or descend automatically according to rising or falling of the water level of water accumulated in a pit till the splice box returns back to the original position. The embedded optical cable splice box comprises a base, a circular buoyancy tank and a telescopic pull rod. An embedded optical cable splice box body is arranged above the circular buoyancy tank, the lower bottom face of the embedded optical cable splice box body 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 placing cavity. An air-pressure lock pin controlled by an air-pressure control device is arranged in a pin hole of the base. The air-pressure control device comprises an air-pressure piston cylinder, a rope and a buoyancy power mechanism. The buoyancy power mechanism pulls and drives a piston of the air-pressure piston cylinder through the rope by virtue of the ascending buoyancy to move so as to drive the air-pressure lock pin to be opened and closed, so that the embedded optical cable splice box can freely ascend and descend under the action of the buoyancy of the circular buoyancy tank, and it is guaranteed that a signal transmission and monitoring device in the embedded optical cable splice box cannot be submersed by flood.

The invention discloses a multifunctional stop valve, and belongs to the field of valves. The multifunctional stop valve comprises a pipe body, a plug and a connecting rod system, wherein the connecting rod system comprises an operation component, a limiting plate and a rod component; the connecting rod system is arranged to control mounting and dismounting of the plug in the pipe body, so that apipeline has multiple functions; when a handle is moved to the uppermost side and cannot continue to move, a threaded hole is blocked by the plug, the pipeline is firmly blocked and closed, and cannotachieve a water passing function; when the handle is easily screwed to move downwards and partly and the plug is still located in the threaded hole, a fixing rod has left-right moving space, and at the moment, the function of the stop valve is achieved under the action of a first compression spring; the first compression spring is reversely extruded to generate a gap which water can pass through;and the threaded hole is blocked for sealing by the plug in the direction opposite to the force direction of the first compression spring; when the handle is screwed down forcibly, the plug can slideinto a slide way from the threaded hole, and at the moment, only a common pipeline water passing function is achieved.

The invention discloses a guide type urethra protection expansion device, and belongs to the technical field of medical auxiliary instruments. A guiding type urethra protection expansion device comprises an expansion structure which is arranged at the front end of a urethroscope body in a sleeving mode and used for guiding the urethroscope body to enter a urethra. The expansion structure is detachably connected with the urethroscope body, and the expansion structure can slide back and forth in the axis direction of the urethroscope body; a deformation structure is arranged on the expansion structure, and the deformation structure can deform after being extruded by the outside to fix the expansion structure on the urethral orifice; a limiting structure is arranged between the expansion structure and the urethroscope body and used for controlling relative sliding between the expansion structure and the urethroscope body, the urethroscope body can be guided to be inserted into the urethra, the problem of mucosa damage caused by repeated urethra friction is not prone to occurring, pain of a patient is relieved, the patient is easy to recover after an operation, and the urethroscope is convenient to use. Meanwhile, the operation efficiency can be 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 relates to the technical field of medical instruments, in particular to a self-adjusting atlantoaxial repairing device, and solves the problems that in the prior art, a mainstream operation mode is still high in operation difficulty, high in complication occurrence rate and serious in consequence, and for an experienced doctor, difficult-to-retrieve complication possibly occurs in an operation, a traditional operation mode does not pay attention to adjustment of cervical curvature, and postoperative cervical deformity severely affects the quality of life. The self-adjusting atlantoaxial repairing device comprises an upper fusion plate, a lower fusion plate is arranged at the bottom of the upper fusion plate, and a sliding rail is fixedly connected to the bottom of the upper fusion plate. According to the self-adjusting atlantoaxial repairing device, a 3D printing atlantoaxial repairing device is creatively introduced, the surface of the 3D printing atlantoaxial repairing device is of a porous structure, bone ingrowth can be achieved without bone grafting, then the purpose of atlantoaxial fusion is achieved, anti-skid teeth are arranged on the upper surface and the lower surface, implanting is easy, withdrawing is not prone to occurring, initial stability is achieved, and necessary conditions are provided for later treatment.

The invention relates to the field of electric appliances. A terminal connection structure comprises an installation plate shell and a connection terminal, the installation plate shell is provided with an insertion hole and a retaining hole, and the connection terminal is inserted into the insertion hole. The connecting terminal is provided with a base part, a plugging main body part, a card plugging retaining pin and an elastic overhanging part; the plug-in main body part and the plug-in card retaining pin extend out from the base part along a first direction, the front end of the elastic overhanging part is connected with the plug-in main body part along the first direction, the rear end of the elastic overhanging part and the plug-in main body part are distributed at an interval, the plug-in main body part and the elastic overhanging part are both inserted into the plug-in hole, and the elastic overhanging part abuts against the side wall; and the card inserting retaining pin comprises an extending portion and a hook portion, the extending portion extends out of the base portion in the first direction, the hook portion is connected with the extending portion, the card insertingextending portion is inserted into the retaining hole, and the hook portion is limited on the front side of the installation plate shell. The number of fixing structures of the cable is reduced, shaking of the connecting terminal is avoided, and stable and firm connection between the connecting terminal and the mounting plate shell is facilitated.

The invention discloses an electric connector, which is used for electrically connecting a first butt joint element to a second butt joint element, and comprises an insulating body, at least one accommodating groove and a plurality of connecting pieces, and is characterized in that the insulating body is provided with at least one accommodating groove; the at least one grounding terminal is fixedly arranged in the accommodating groove and is provided with a base part, a contact part extending from one end of the base part, a connecting part extending from the other end of the base part, and a fixed part extending from the side direction of the base part and fixedly held in the accommodating groove; a grounding piece is fixedly arranged in the containing groove and provided with a connecting beam, the connecting beam and the fixing part are located on the same side of the base part and contained in the containing groove, at least one clamping part extends from one side of the connecting beam, and the clamping part is clamped at the position, close to the fixing part, of the base part, so that the grounding terminal is fixed, and meanwhile the crosstalk problem is solved. A buffer space is formed between the position, close to the clamping part, of the connecting part and the insulating body, air is contained in the buffer space, and the insulating body abuts against and supports the position, close to the second butt joint element, of the connecting part so as to keep the flatness of the connecting part.

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.