1253 results about "Elbow" patented technology

The package includes a base, a primary lid connected to the base, the primary lid and the base defining a primary storage area, and a locking mechanism. The locking mechanism includes a flexible member including a first segment and a second segment that are connected by an elbow, the first segment being connected to the primary lid, a distal end of the second segment including at least one contact structure, the flexible member including at least one first engaging structure between the elbow and a front surface of the at least one contact structure, and a second engaging structure on a first wall of the base. The container includes a receptacle wall cooperating with a peripheral wall to define a receptacle, and a flexible tab projecting from the top wall, the flexible tab including a fixed end adjacent to the top wall and a free end opposite the fixed end.

A reclined forearm crutch includes a leg; and a cradle attached to the leg for supporting the forearm and elbow of a use. The cradle has a bounding surface area corresponding to at least 20 in2. The cradle is angled about 5 to about 50 degrees relative to vertical.

A system or method for controlling movement of a robot (600) using actuators may include one or more actuators (1002) of a first type positioned at torso, shoulder, and hip locations of the robot; one or more actuators of a second type (1004), the one or more actuators of the second type being positioned at a wrist position of the robot; one or more actuators (1006) of a third type, the one or more actuators of the third type being positioned at a wrist position of the robot; one or more actuators of a fourth type (1008), the one or more actuators of the fourth type being positioned at the elbow and ankle positions of the robot; one or more actuators (1010) of a fifth type, the one or more actuators of the fifth type being positioned at a torso position and a hip position of the robot; and one or more actuators (1012) of the sixth type, the one or more actuators of the sixth type being positioned at the knee position and the hip position of the robot.

The invention discloses an adaptive multi-angle elbow airtightness detection method, which comprises the following steps: arranging a flexible pressure sensor array and a micro inertial measurement unit on the inner wall of an elbow, collecting multi-point sealing pressure and attitude signals in real time, fusing geometric parameters and a spatial mapping relation, and completing denoising, normalization and multi-curvature region mapping of pressure data; a distributed pressure-attitude database is combined, a function model associated with sealing pressure and pipeline geometric parameters is established, inflation, exhaust and deformation of each node are dynamically adjusted through an intelligent closed-loop regulation and control algorithm, collaborative optimization of multi-node pressure and a fitting state is achieved, and the sealing performance of the pipeline is improved. According to the method, the accuracy and the self-adaptive adjusting capacity of sealing pressure distribution under a complex bent pipe structure are effectively improved, the tiny leakage real-time positioning and self-learning optimization capacity is achieved, and the method is suitable for sealing quality guarantee of various types of curved surface pipelines.

The invention relates to equipment (12) for positioning and supporting an upper limb of a patient (14) intended to undergo a medical procedure, the equipment being characterised in that it further comprises: a cavity (22) for accommodating the elbow of the upper limb of the patient, configured to define a space for positioning and supporting the elbow of the patient; gripping means (24) for gripping, by a hand, the upper limb of the patient; means (30a, 30b, 34) for moving the gripping means (24) in translation in a longitudinal direction relative to the cavity (22) for accommodating the elbow of the patient so that the upper limb of the patient can extend, once the gripping means (24) have been grasped by the patient and the elbow is accommodated in the accommodating cavity (22), between the elbow accommodating cavity and the gripping means, regardless of the length of the upper limb of the patient.

The invention discloses a combustion chamber outlet cooling structure which is characterized in that an initial section of a small elbow is inserted into an inner beak ring, and an impact hole is formed in the inner beak ring and used for introducing part of inner two-channel airflow into a combustion chamber outlet runner, so that a wall-attached cooling air film is formed to cover the initial section of the small elbow. And a plurality of circles of diverging hole groups are formed in the small elbow middle section, so that part of inner two-channel airflow is introduced into the combustion chamber outlet runner through the plurality of circles of diverging hole groups, and a large cooling air film is formed at the large-curvature part of the small elbow middle section. The small elbow outlet section is provided with a tongue groove cooling structure and an air film groove hole so that part of inner two-channel airflow can be led into the tongue groove cooling structure to impact the tongue groove cooling structure, and a cooling air film flowing along the profile of the small elbow outlet section in a wall attaching mode is formed. The small elbow further comprises an annular upper edge plate supporting ring located behind the outlet section of the small elbow. By means of the structure, release of expansion stress in the thermal state can be guaranteed, and the inner ring wall face of the flame tube cannot be heated, arched and deformed to cause other faults or safety accidents.

The invention relates to the technical field of pipeline installation, and particularly discloses a super high-rise high-pressure pipeline installation structure which comprises a high-pressure pipe set, the high-pressure pipe set is composed of a right-angle bent pipe and two straight pipes connected with the two ends of the right-angle bent pipe respectively, and annular flanges are arranged on the outer sides of the joints of the right-angle bent pipe and the straight pipes. Sealing connecting parts used for connecting the connecting position of the right-angle bent pipe and the straight pipe and conducting multi-stage sealing on the connecting position are arranged at the connecting position of the right-angle bent pipe and the straight pipe, and a triangular reinforcing part used for conducting triangular reinforcing, locking and fixing on the two sealing connecting parts is arranged between the two sealing connecting parts. Different from a traditional mode that only a single sealing ring is arranged in a sleeved mode, a tight multi-stage sealing system is constructed by arranging the sealing connecting part and the triangular reinforcing part in a matched mode, when a high-pressure pipe set is connected, the first sealing ring fills a gap in the connecting position of the straight pipe and the right-angle bent pipe, primary sealing is achieved, and leakage of a high-pressure medium is effectively blocked.

This is a mobility aid for disabled persons, including a front frame, a rear frame, and a handle frame. The front frame comprises two front legs having front wheels at the bottom ends thereof. The rear frame is attached to the front frame and includes a saddle seat and a rear leg having a rear wheel attached thereto. The handle frame includes a handle horizontal tube and a vertical handle member depending therefrom. The vertical handle member is attached to the front frame. The handle horizontal tube includes an elbow support at each end and a hand rest support plate having a pair of hand rest spheres. A patient can sit on the saddle seat with their elbow resting on the elbow support so that some or most of their body weight is supported by the saddle and elbow support, while the feet can walk freely.

The invention discloses a pipe fitting connecting elbow with a self-locking structure, and belongs to the technical field of pipe fitting connection.The pipe fitting connecting elbow with the self-locking structure comprises an elbow body connected with a first connecting pipeline and a second connecting pipeline, and the two ends of the elbow body are fixedly connected with a first elbow flange and a second elbow flange respectively; a first sealing groove is formed between the first elbow flange and the first connecting pipeline, a first sealing ring is installed in the first sealing groove, a second sealing groove is formed between the second elbow flange and the second connecting pipeline, and a second sealing ring is installed in the second sealing groove. By designing a self-locking structure, self-locking fixation and hole alignment of an elbow flange and a to-be-connected pipeline flange can be rapidly and accurately completed, after self-locking is completed, pre-fixation of an elbow and a to-be-connected pipeline can be achieved, at the moment, a plurality of sets of fixing bolts are used for fastening a flange piece, operation is easy and convenient, and meanwhile the assembling efficiency is greatly improved.

The self-adjusting abrasive flow clamp is suitable for machining a tee joint through the abrasive flow technology and is characterized in that the self-adjusting abrasive flow clamp comprises a base, a baffle ring, a surrounding cylinder, a first arc-shaped bent pipe, a second arc-shaped bent pipe and a third arc-shaped bent pipe, opening structures are arranged at the two ends of the surrounding cylinder, a mounting hole is formed in the baffle ring, and an arc-shaped protrusion is arranged on the top face of the base; when abrasive particles enter through the third arc-shaped bent pipe, the abrasive materials flow out only through the first arc-shaped bent pipe; when the grinding materials are input through the groove, the grinding materials enter the tee joint through the second arc-shaped bent pipe and are output through the top end of the third arc-shaped bent pipe, the tee joint grinding efficiency is improved, and time consumption is reduced.

The invention relates to the technical field of surgical instruments, in particular to operating forceps for temporal-mandibular arthroscopic glide membrane chondroma surgery, which comprise a forceps head assembly, a rotating sleeve, a fixed block, an arc-shaped rod, a gas-driven unit and an adjustable elbow, the forceps head assembly is a working end of the operating forceps; the rotating sleeve is of a cylindrical structure and is fixedly arranged at the tail of the tong head assembly. The fixed block is fixedly arranged at one end of the rotating sleeve away from the tong head assembly; one end of the arc-shaped rod is fixedly connected with the fixed block, and the axis of the arc-shaped rod and the axis of the rotating sleeve are collinear; the gas driving unit is arranged on one side of the arc-shaped rod and used for driving the arc-shaped rod to rotate around the axis of the arc-shaped rod. The adjustable bent pipe is arranged on the side, away from the tong head assembly, of the rotating sleeve. The device can meet the path requirement of a complex anatomical space, can improve the lesion tissue removal efficiency through angle adjustment, greatly reduces the secondary operation frequency, and gives consideration to the operation flexibility and the removal accuracy at the same time.

A sports bra exhibits increased resistance in response to increased force. The sports bra includes a front curved region for accommodating a wearer's breasts, the front curved region including a shear-thickening foam. The shear-thickening foam is relatively flexible up to a first force and is relatively rigid above the first force to retain the wearer's breasts within the front curved region during vigorous physical activity. A back panel connecting to the front curved region such that the force is at least partially transferred to an upper back or shoulder region of the wearer. A body protecting element protects a body part from an external impact, the body part selected from head, knee, shin, elbow, foot, leg, torso, arm, wrist or hand. The body protecting element includes a housing conforming to the shape of the selected body part. A shear-thickening foam is included in the housing.

The invention relates to the technical field of sealing performance detection, and particularly discloses a double-end bent pipe fitting sealing performance batch detection device which comprises a detection water tank and a display control cabinet, a lifting plate is arranged at an opening in the upper end of the detection water tank, and a row of rubber sealing heads arranged in pairs are arranged on the lifting plate; the lower end of each rubber sealing head communicates with a corrugated telescopic pipe, the lower end of each corrugated telescopic pipe is fixedly connected with the bottom wall of the detection water tank in a sealed mode, a pipe clamping and pressing sealing mechanism is arranged above the lifting plate, and a transparent observation part is arranged at the lower end of the rear side face of the detection water tank. An industrial camera which horizontally moves along the length direction of the transparent observation part is arranged on the rear side of the detection water tank; the industrial camera is electrically connected with the display control cabinet; according to the double-end bent pipe fitting sealing performance batch detection device, automatic detection of batch pipe fittings is achieved, the detection efficiency is greatly improved, no equipment needs to be additionally arranged for filling compressed gas into the pipe fittings, and the manufacturing and operation cost of the whole detection device is reduced.

An assembly and method for preparing a pipe elbow for welding. The assembly has a cone clamping sleeve assembly adapted to be inserted into an end of the pipe elbow and a faceplate assembly removably affixed to the cone clamping sleeve assembly. The cone clamping sleeve assembly has a face at one end thereof. The face has at least one locating hole and at least one screw hole. The faceplate assembly has at least one locating pin receivable by the locating hole of the cone clamping sleeve assembly. The faceplate assembly has a captive screw threadedly received by the screw hole. The faceplate assembly has at least a pair of centering pins positioned at diametrically opposed locations on a faceplate. The centering pins are radially adjustable and adapted to bear against an inner diameter of the end of the elbow.

The utility model discloses a socket type metal elbow, which belongs to the field of hardware component ornaments, and is characterized in that the socket type metal elbow comprises an elbow main body structure which is an arc-shaped circular pipe section and an inner socket type straight pipe section structure, the outer socket type straight pipe section structure and the inner socket type straight pipe section structure are fixedly arranged at one end of the elbow main body structure in an integral forming mode, and the outer socket type straight pipe section structure is fixedly arranged at the other end of the elbow main body structure. The outer socket type straight pipe section structure is overlapped and fixedly arranged at the other end of the elbow main body structure in an integral forming manner, and the diameter of the outer wall of the outer socket type straight pipe section structure is greater than or equal to that of the outer wall of a corresponding port of the elbow main body structure; in-pipe center lines of the inner socket type straight pipe section structure and the outer socket type straight pipe section structure are perpendicular to the sections of the corresponding ports of the elbow main body structure respectively and pass through the circle centers of the sections of the corresponding ports of the elbow main body structure respectively. According to the utility model, the socket and spigot structure is adopted, so that the operation is more convenient and simpler, the structure is attractive and seamless, the standardization is achieved, the labor intensity and the difficulty are greatly reduced, the working time is saved, and the working efficiency is improved.

The invention, which relates to the technical field of rehabilitation physiotherapy, discloses a low-frequency therapeutic apparatus comprising a host and an adsorption bowl. The problem that uneven parts such as shoulders, elbows and knees are not firmly adsorbed or cannot be adsorbed is solved through negative-pressure adsorption of the first negative-pressure channel arranged on the adsorption bowl, then negative-pressure adsorption of the second negative-pressure channel is switched through the switching gas circuit device, and the adsorption bowl performs double adsorption through the first negative-pressure channel and the second negative-pressure channel; the water-absorbing elastic piece is isolated from the first annular cavity through the inner-layer absorbing bowl, so that the water of the water-absorbing elastic piece cannot be absorbed or dried by negative-pressure airflow through the second negative-pressure channel, and the water-absorbing elastic piece can be kept moist even if long-time treatment is carried out, so that the water-absorbing elastic piece has good conductivity and is in uniform contact with the skin; and moisture of the water absorption elastic piece is prevented from entering the negative pressure pipeline, so that the problem of treatment infection caused by bacteria or mould breeding due to the humid environment in the pipeline is avoided.

The invention relates to the technical field of pipeline noise elimination, in particular to a pipeline elbow noise reduction device which comprises a connecting elbow, an inner silencer is embedded in a bend of an inner cavity of the connecting elbow, a cavity exists between the inner silencer and the inner wall of the connecting elbow, and a neck bush is arranged between the inner silencer and the inner cavity of the connecting elbow. The inner silencer comprises an inflow part, an inward shrinkage part, a flow guide part and a discharge part which are integrally formed through flexible rubber, the inner diameters of the inflow part, the inward shrinkage part, the flow guide part and the discharge part are smoothly and gradually changed in the flow direction, and the outer wall of the inner silencer and the inner wall of the neck bush are seamlessly attached together. The silencer has the beneficial effects that the gradual change section design of the inner silencer maintains a laminar flow boundary layer through continuous curvature change, and flow separation is effectively reduced; the spiral flow guide fins are used for disassembling macroscopic vortex into micro-scale turbulent flow, so that energy dissipation is accelerated, and medium-high frequency noise is improved in a targeted manner; the sound absorption part is filled with an efficient sound absorption material, and a complementary silencing mechanism is formed with flow field optimization.

A portable device (1) for quantifying movements of pronation and / or supination of a person, and intended to be used when the person has the elbow on a horizontal support, comprising: a solid armature (2) with: means for attaching (4), configured to secure one hand of the person in the device (1); a central pivot element (5) intended to be in contact with the horizontal support, during the angular oscillations of the hand, between two opposed identical “first block angles” relative to a vertical position called “neutral position”, the “first block angles” defining a “small amplitude”, first means for blocking (8) the movement of pronation and the movement of supination of the elbow, at the two “first block angles”; second means for blocking (9) the movement of pronation and the movement of supination, at two identical opposed “second block angles” relative to the neutral position, between the solid armature (2) relative to the horizontal support, the “second block angles” defining a “large amplitude” greater than the “small amplitude”; an IMU (3) able to measure movement data.

The utility model relates to the technical field of threaded elbows, and discloses a threaded elbow capable of cutting length and guiding water, which comprises an elbow main body, one end of the elbow main body is sleeved with an anti-falling component, one side of the anti-falling component is fixedly connected with a connector, the inside of the anti-falling component is in threaded connection with a threaded connecting pipe, and the threaded connecting pipe is fixedly connected with the connector. A water diversion pipe is fixedly connected to one side of the threaded connection pipe, a buffering assembly is fixedly connected to the interior of the elbow body, and a connector assembly is connected to the bottom of the elbow body in a threaded mode. According to the threaded elbow with the length cutting function and the water diversion function, through the arrangement of the anti-disengaging assembly and the water diversion pipe, when the threaded elbow is used, water flow passes through the elbow body and then impacts the interior of the fixing pipe, when the water pressure is large, the anti-disengaging ring is clamped to the inner wall of the elbow body, and therefore the anti-disengaging capacity of the connecting position is enhanced, and meanwhile the water diversion pipe can be cut according to the thickness of a ceramic tile; water flow is led out through the water guide groove, and seepage water, leaked water and the like are prevented from flowing into tiles or walls.

A protective pad assembly for removably positioning on an arm or a leg of a user of the protective pad assembly for protecting an elbow or a knee of the user. The protective pad assembly comprises an outer protective unit including a protective cushion pad configured to protect the elbow or the knee of the user from impact, and a self-retaining device mounted to the outer protective unit for retaining the outer protective unit on the arm or leg of the user. The self-retaining device includes a resilient retaining split-ring clamp having two opposite free ends spaced from one another. The free ends of the resilient retaining split-ring clamp are circumferentially expandable or contractable relative to one another for retaining the protective pad on an arm or a leg of the user of the protective pad assembly over one of the elbow and the knee thereof.

The utility model relates to an elbow leaking stoppage sealing clamp, in particular to a pressure pipeline leaking stoppage sealing elbow clamp which comprises an elbow, middle positioning plates matched with the elbow are arranged on the upper side and the lower side of the elbow respectively, side sealing assemblies are fixedly connected with the middle positioning plates on the left side and the right side of the elbow respectively, and glue injection openings are formed in the outer sides of the side sealing assemblies. The middle positioning plate and the side sealing assembly wrap the elbow and form a glue injection cavity; the elbow is integrally wrapped and supported through clamping connection of the middle positioning plate and the side sealing assembly, and then leaking stoppage sealant is injected into the glue injection cavity to plug leakage points of the elbow, so that the overall strength and the sealing performance of the elbow are improved.

The utility model discloses a tool changing arm core aligning mechanism, which relates to the field of tool changing arm core aligning and comprises a tool changing arm body and a tool changing shaft used for driving the tool changing arm body to move, tool clamping elbows are fixedly arranged at two ends of the tool changing arm body, a rotating ring is rotatably arranged at the upper end of the tool changing arm body, two auxiliary tool arms are fixedly arranged on the outer side of the rotating ring, and the tool clamping elbows are fixedly arranged on the tool changing arm body. According to the utility model, through the arrangement of the rubber pad, when the auxiliary elbow and the cutter clamping elbow abut against a cutter, the impact force of the auxiliary elbow and the cutter clamping elbow on the cutter can be buffered through the rubber pad; the impact force of the auxiliary elbow and the cutter clamping elbow is prevented from being transmitted to the main shaft of the machining center through the cutter, so that the influence on the main shaft when the cutter is replaced is reduced to the maximum extent.

The invention relates to the technical field of liquefied gas storage equipment, in particular to an elbow plate, a liquefied natural gas storage tank and an assembled ship, the elbow plate comprises a first connecting plate, a second connecting plate and a turning plate, the first connecting plate extends in the first direction, and the first connecting plate is provided with a first positioning part used for being connected with a first corrugated plate; the second connecting plate extends in the second direction and is provided with a second positioning part used for being connected with the second corrugated plate. One end of the turning plate is connected with one end of the first connecting plate far away from the first positioning part, and the other end is connected with one end of the second connecting plate far away from the second positioning part; the first positioning part and / or the second positioning part are / is provided with landing ribs; the elbow plate can be conveniently positioned and assembled with other corrugated plates, the assembling efficiency is improved, and the sealing effect of a storage tank at the elbow plate in the later period is improved.

Dynamic arm brace assemblies and methods of use are provided herein. An example device includes a torso connection member securable to a torso of a patient, a forearm support member that couples with at least a forearm of an patient, the forearm support member couples with the torso connection member so as to fix an elbow of the patient proximate the torso, the forearm support member being pivotally coupled to the torso connection member to allow for an angle between the forearm support member and a coronal plane of the patient, and a dynamic tensioning assembly that externally rotates the forearm support member and selectively sets the angle so as to stretch a shoulder capsule (capsule and adjacent tissue(s)) affected with adhesive capsulitis, reducing the adhesive capsulitis.

The invention relates to the field of concrete construction, and discloses a building construction material distributing machine with an anti-condensation structure, the building construction material distributing machine comprises a mounting frame and a pipeline assembly mounted on the mounting frame, and the pipeline assembly mainly comprises a first elbow and a second elbow; internal components of the elbow I and the elbow II are used for preventing concrete from layering at the elbow due to different flow speeds of an inner layer and an outer layer and finally preventing a large amount of concrete from being left at the elbow; a watering component which can be controlled to be opened through water pressure is also arranged in the elbow I; the building construction material distributing machine with the anti-condensation structure is provided with the pipeline assembly, firstly, the layering phenomenon of concrete can be reduced, aggregate is continuously taken away through slurry, secondly, heat preservation can be conducted on the concrete through water with different temperatures according to the environment temperature, the situation that the concrete is initially set in advance and remains at the elbow position is prevented, and finally, the construction efficiency is improved. When the initial setting phenomenon occurs, water can be supplemented in time, and the initial setting phenomenon is relieved or eliminated.

The invention discloses a hoop elbow convenient to install, and relates to the technical field of hoop fixing and installing, the hoop elbow comprises an elbow part, a connecting pipe, an upper hoop and a lower hoop, a sealing block is installed between the elbow part and the connecting pipe, a first clamping groove is formed in the outer side of one end of the elbow part, and a second clamping groove is formed in the outer side of one side of the connecting pipe; the connecting plates are symmetrically arranged on the two sides of the upper clamping hoop, the connecting plates are fixedly connected with the upper clamping hoop, and the interiors of the connecting plates are connected with plug pins in a sliding mode; the transverse plates are fixedly connected with the upper portions of the two ends of the lower clamping hoop, the bottom plates are installed below the transverse plates, the bottom plates are fixedly connected with the lower clamping hoop, and the two bottom plates are symmetrically arranged; and the upper groove is formed in one side of the interior of the transverse plate, so that the problems that an existing clamp is generally fixed through a bolt and needs to be screwed for multiple times during mounting and dismounting, and when a large batch of clamps are mounted or dismounted, the efficiency of mounting and follow-up dismounting and maintenance is not high are solved.

The invention discloses a multi-purpose elbow workpiece machining clamp, which belongs to the field of machining clamps, and comprises a main mounting plate, an auxiliary mounting plate, a first main clamping arm, a first auxiliary clamping arm, a second main clamping arm and a second auxiliary clamping arm, the first auxiliary clamping arm and the second auxiliary clamping arm are rotationally connected to the auxiliary mounting plate through an auxiliary rotating shaft, and the main mounting plate and the auxiliary mounting plate are driven to oppositely and synchronously slide, so that a first main clamping plate on the first main clamping arm and a first auxiliary clamping plate on the first auxiliary clamping arm oppositely clamp the first end part of the elbow; a second main clamping plate on the second main clamping arm and a second auxiliary clamping plate on the second auxiliary clamping arm oppositely clamp the second end of the elbow, the machining clamp can be suitable for elbows with different pipe diameters, bending radiuses and bending angles, and the double-acting air cylinder on the main mounting plate can drive the elbows to automatically turn over. The two ends of the elbow can be machined through one-time clamping.

The utility model discloses a multifunctional power roller which comprises a bottom frame, a supporting plate capable of rotating relatively is arranged above the bottom frame, a handle is arranged on the supporting plate, a rolling assembly is arranged below the bottom frame, a rotary locking assembly is arranged between the supporting plate and the bottom frame, a sitting part and elbow supporting parts are arranged on the top face of the supporting plate, and the elbow supporting parts are located on the two sides of the sitting part. The abdominal roller not only can realize abdominal exercise, but also can perform flat plate supporting exercise and waist exercise, can realize multiple functions, can switch exercise modes at any time, is wide in applicable crowd, and is particularly suitable for rehabilitation training of patients in a sitting state.

The utility model discloses a silicon nitride ceramic lining elbow which comprises an elbow body, a silicon nitride ceramic inner pipe is fixedly embedded in the inner wall of the elbow body, two blocking rings are fixedly connected to the inner wall of the elbow body, and the two ends of the silicon nitride ceramic inner pipe are fixedly connected with the side faces, close to the silicon nitride ceramic inner pipe, of the two blocking rings respectively. Three annular limiting grooves are formed in the inner wall of the bent pipe body, and the inner wall of each annular limiting groove is fixedly connected with a positioning ring. According to the device, through the arrangement of the bent pipe body, the silicon nitride ceramic inner pipe, the annular limiting groove, the positioning ring and the plugging ring, the silicon nitride ceramic inner pipe can be effectively fixed and limited, the silicon nitride ceramic inner pipe is more stably installed in the bent pipe body, stable use of the elbow is facilitated, and through the cooperation of the arranged material guiding slope plate and the plugging ring, the material guiding slope plate is more stable. And the end of the silicon nitride ceramic inner pipe can be protected, the impact force borne by the silicon nitride ceramic inner pipe is reduced, and the elbow can be stably used for a long time.

The invention relates to the technical field of elbow shaping dies, in particular to an elbow comprehensive shaping die which comprises a die base, an elbow die is fixedly installed on the die base, an elbow is placed in the elbow die, an equipment frame is fixedly installed on the die base, a hydraulic cylinder is fixedly installed on the equipment frame, and an iron ball feeding base is in sliding fit with the equipment frame. A pushing mechanism is rotationally connected to the iron ball feeding seat, a plurality of shaping iron balls are placed in the mold seat, a check block is arranged in the mold seat in a sliding fit mode, when spherical shaping is conducted on an elbow, the iron balls can be automatically lifted to the proper height through the iron ball feeding seat, then the iron balls automatically fall into the elbow under the action of the pushing mechanism, and therefore the elbow is shaped. Problems and potential safety hazards caused by manual operation are effectively reduced, and safety, accuracy and production efficiency in the elbow manufacturing process are improved.