75results about How to "Insert smoothly" patented technology

The utility model discloses a kind of automatic detection machines of wheel hub bearing thread hole, including machine table, multiple stations and handling mechanism being located in the machine table, the station includes rotating station, hole position detection station, small thread hole detection station and large thread hole detection station, the machine table and located the rotating station are provided with auxiliary positioning mechanism and rotating drive mechanism, product rotation is driven by the rotating drive mechanism;Hole position detection station is provided with position detection gauge, first jacking mechanism and pressing mechanism, product is lifted by first jacking mechanism, product is pressed by pressing mechanism to see whether the hole of product to be detected can be inserted into position detection gauge.The utility model can realize the automatic detection of small thread hole and large thread hole position on wheel hub bearing, also can simultaneously realize the automatic detection of whether the hole of small thread hole and all large thread hole on wheel hub bearing is qualified, detection efficiency is high, reduce artificial cost, detection precision is high, and effect is good.

Provided is a connector in which a dielectric body can be smoothly inserted into an outer conductor. A connector (10) is provided with an inner conductor (15), a dielectric body (17) that houses the inner conductor (15), and an outer conductor (11) that houses the dielectric body (17). The outer conductor (11) has housing holes (54, 63) for housing the dielectric body (17), and a rear space portion (55) communicating with the housing holes (54, 63) and open to the rear of the outer conductor (11). The dielectric body (17) has a cylindrical section (43) and a guide section (45) that are disposed in the housing holes (54, 63) from the rear space section (55). The outer conductor (11) has a guide receiving portion (74) on an inner surface facing the rear space portion (55), the guide receiving portion (74) being in contact with the guide portion (45) and guiding the cylindrical portion (43) to the housing holes (54, 63).

This utility model relates to the field of marine cables and discloses an airtight structure for marine communication cables, including a connector. Six grooves are formed on the outer surface of the connector at both ends. A slider is slidably connected inside each groove. Pull rings are fixedly connected to the outer surfaces of the six front sliders and the six rear sliders. Connecting cylinders are fixedly connected to the far-away surfaces of the two pull rings. Fixing rings are fixedly connected to the far-away surfaces of the two connecting cylinders. Conical compression rings are fixedly connected to the far-away surfaces and inner rings of the two fixing rings. The progressive compression of the conical compression rings fills the gap between the connector and the cable. The outer diameter of the front end matches the inner diameter of the connector, and the inner diameter of the rear end matches the inner diameter of the connector, forming a tight fit. The conical shape generates radial expansion force during axial movement, effectively enhancing the sealing contact pressure and significantly improving airtightness. Simultaneously, the conical shape can adaptively deform during cable vibration, maintaining a dynamic sealing effect.

This invention discloses an intelligent sterilizer for gynecological care, belonging to the field of medical devices. It includes a gripping part, with a limiting rod fixedly connected to the outer surface of the gripping part near the top. A sliding plate is slidably connected to the outer surface of the limiting rod. A control panel is fixedly connected to one side of the sliding plate. A fixing block is fixedly connected to the bottom of the sliding plate, and a pressing rod is fixedly connected to the bottom of the fixing block. A connecting assembly is fixedly connected to the top of the sliding plate. When the injection tube moves, it drives the push rod to move synchronously, causing the piston plate to push the lubricant inside the reservoir. This forces the lubricant to fall onto the surface of the moving injection tube through the outlet, lubricating the surface of the injection tube. A liquid film is formed between the lubricated injection tube and the vaginal wall, avoiding dry friction, reducing mucosal abrasion, stinging, and bleeding, making insertion smoother, and eliminating dryness, jamming, and foreign body pain, thus improving the user experience.

The utility model discloses a plastic part injection molding machine capable of quickly replacing a mold, which relates to the technical field of plastic part injection mold replacement and comprises a connecting piece, a fixed seat slidably clamped at the bottom of the connecting piece, a connecting groove arranged on the surface of the fixed seat, a positioning groove arranged at the bottom of the connecting groove and the bottom of the connecting piece, and a spring rod arranged on one side of the fixed seat close to the positioning groove. The surface of the fixing base is rotatably connected with a threaded rod through the inner side of the containing groove, the outer side of the threaded rod is in threaded connection with a movable block, the tail end of the threaded rod is provided with a gear assembly, the whole limiting pin is of a rectangular block structure, and the end, close to the positioning groove, of the limiting pin is provided with an inclined chamfer. Even if position errors exist between the connecting grooves in the surfaces of the clamping rails and the connecting grooves in the surfaces of the positioning grooves, the clamping rails can be pushed to be aligned with the connecting grooves of the positioning grooves through the inclined chamfers, and therefore the placing position of the connecting piece is calibrated.

The utility model belongs to the technical field of reinforcing steel bars, in particular to a device for quickly inserting reinforcing steel bars, which comprises a reinforcing steel bar body and a moving pipe, an adjusting mechanism is arranged on the outer surface of the moving pipe, the adjusting mechanism comprises a fixing block, the moving pipe is fixed by the movement of the fixing block, and the reinforcing steel bar body is fixed by arranging the fixing mechanism. A plurality of arc-shaped grooves are formed in the rotating pipe, when the rotating pipe rotates, due to the fact that the arc-shaped grooves are in sliding connection with the fixing plate, the rotating pipe slides in the arc-shaped grooves, reinforcing steel bar bodies with different diameters are fixed, a plurality of limiting grooves are formed in the circular plate, the fixing plate in sliding connection with the circular plate can be limited, and the fixing plate is prevented from sliding excessively or unevenly; one fixing plate is slidably connected with the other fixing plate in an inserted mode, and movement of the fixing plates is not affected while the fixing plates are fixed, so that stability of movement of the fixing plates is guaranteed.

The utility model discloses a light module with pull ring structure, and the pull ring structure is movably arranged on the shell along the length direction of the shell, comprising the long arm of setting in the width direction of the shell on both sides, and the connecting portion that links to two groups long arms, the first combination position that is away from long arm is equipped with on the connecting portion to at least one group long arm, and the first elastic arm is formed with on the connecting portion from the first combination position to the direction of approaching long arm, the second elastic arm is formed with from the end of first elastic arm to the height direction of the shell one side bending extension, the stop portion is formed with from the end of second elastic arm to the opposite inner side of two groups long arms bending extension, and the stop groove is equipped with on the outer wall of the shell to the stop portion, and the end of stop portion stretches into the stop groove. The utility model can realize the reset after the movement of pull ring structure, and need not use spring, simplifies the assembly step of overall structure, saves time and labour, and the assembly efficiency of light module is high, and effectively satisfies the assembly demand of light module.

The breathing machine comprises a main machine and a humidifying tank, the main machine is provided with an inserting base, the humidifying tank is provided with an inserting section, the inserting section can be in inserting fit with the inserting base in the first direction and can be separated from the inserting base in the second direction opposite to the first direction, and the inserting section is provided with an air outlet adapter pipe; the bayonet socket is provided with a receding groove extending in the first direction, so that when the humidifying tank is matched with the main machine in an inserted mode, the air outlet adapter pipe can enter the receding groove in the first direction. In the process of assembling and disassembling the humidifying tank, the protruding air outlet adapter tube does not need to be disassembled, and the humidifying tank inserted with the air outlet adapter tube can be integrally inserted into the bayonet socket, so that the assembling and disassembling steps of the humidifying tank are simplified, and the disassembling step of the air outlet adapter tube in the process of assembling and disassembling the humidifying tank is omitted. In addition, the risk that internal water leaks from the air outlet due to shaking of the humidifying tank is avoided, the cleaning burden of a user is reduced, and the use experience is improved.

This invention discloses a SIA St self-anchoring rubber ring. The invention utilizes the cooperation of a main rubber strip and steel tooth blocks, with the oblique teeth of the steel tooth blocks ensuring smooth insertion of the insertion tube. Upon further pressure, the oblique teeth of the steel tooth blocks press tightly against the outer wall of the insertion tube, preventing slippage. Compared to existing rubber rings made of a single material, the steel tooth blocks and oblique teeth provide a much stronger clamping effect. The main rubber strip not only connects the steel tooth blocks but also prevents deformation or wear that could reduce the clamping effect. Finally, the self-anchoring rubber ring is integrally formed from the main rubber strip and several steel tooth blocks through spraying, drying, molding, and vulcanization. After molding, the back end of the steel tooth block partially overlaps with the back connection surface of the main rubber strip. This manufacturing method ensures a stable connection between the steel tooth blocks and the main rubber strip, preventing separation of the steel tooth blocks and ensuring excellent integrity and connection stability of the entire self-anchoring rubber ring.

The utility model relates to the technical field of door and window locks, and discloses a waterproof rust-proof door and window lock which comprises a limiting mechanism and a moving mechanism, the limiting mechanism comprises a first installation back plate and a fixing block, and through the arranged limiting mechanism, a self-weight buckle piece is connected with a limiting piece through a rotating piece and can slide on the outer wall of the fixing piece; by means of the design, when the door and window lock is operated, the limiting piece can flexibly rotate, the position is adjusted according to actual requirements, a user can conveniently open and close a door and window, meanwhile, the fixing block is connected with the locking frame and the locking insertion block through the fixing rod, and the limiting spring is connected to the outer wall of the fixing rod in a sleeving mode. The locking insertion block can be accurately inserted into the clamping groove in the left side face of the self-weight buckle under the elastic force effect of the limiting spring, firm locking is achieved, the locking mode is high in stability, accidental unlocking caused by external force impact is not likely to happen, the overall structural design is compact and reasonable, all parts are in close fit, and the invasion path of water and air is reduced.

The utility model relates to city lighting technical field especially relates to an environmental protection type city brightening lamp structure. Its technical scheme includes: lamp shade, installation groove, LED lamp, mounting seat, limiting mechanism, buckle mechanism and limit frame, be equipped with energy storage battery and photovoltaic charging module in mounting seat, outside is equipped with light control sensor, realize solar power supply and automatic lighting control, limiting mechanism passes through the linkage of fixed frame, reset spring, limit board and pressure wheel, when the handle of LED lamp is inserted, the handle recess is automatically clamped, the quick positioning and firm fixation of LED lamp are completed, buckle mechanism is close to limit frame through chuck sliding after the lamp shade buckling and the linkage of limiting mechanism, forms supplementary clamping to pressure wheel, further strengthens LED lamp fixed stability, and the rubber washer on chuck realizes waterproof seal, and the device is convenient to install and has high stability, has environmental protection energy -conserving and long -efficiency durable characteristics, is applicable to city road, park and other outdoor brightening scene.

The invention relates to the technical field of building construction, and discloses an anti-floating anchor rod and a construction method thereof.The anti-floating anchor rod comprises multiple sets of annular stirrups which are arranged in a perpendicular linear mode, the outer surfaces of the multiple sets of annular stirrups are jointly connected with multiple sets of supporting steel bars arranged in a circumferential mode, and the supporting steel bars are connected with the annular stirrups in a perpendicular linear mode. The supporting steel bars are connected with centering assemblies arranged in a vertical linear mode and pushing assemblies arranged corresponding to the centering assemblies. Each centering assembly comprises centering plates and a movable annular plate which are arranged corresponding to the multiple sets of supporting steel bars, the inner wall of each centering plate is rotationally connected with symmetrically-arranged connecting rods, and the end, away from the corresponding centering plate, of each connecting rod close to the upper side is rotationally connected with the surface of the corresponding supporting steel bar; in the lowering process of the anti-floating anchor rod, the centering plate is tightly attached to the supporting steel bars in the initial state and cannot rub the inner wall of an anchor hole, the integrity of the inner wall of the anchor hole is effectively protected, and the problem of inner wall collapse caused by rubbing is fundamentally avoided.

This utility model discloses a guiding structure for installing a demister inside a high-temperature sulfuric acid absorption tower. It includes a tower body and a carrier frame installed inside the tower body for installing the demister. The carrier frame includes a plate connected to the inner wall of the tower body and multiple flanged mounting cylinders on the plate body. The demister is inserted into the mounting cylinder. A bearing member extending below the plate body is provided at the lower part of the flange. During hoisting operations, when the hoisting guide structure moves the demister upwards, the guide cylinder guides the demister to maintain a vertical rise, effectively preventing equipment damage due to collision with the inner wall of the mounting cylinder caused by swaying. When the demister needs to be installed and the hoisting guide structure pulls it downwards, during the descent, the demister gradually adjusts its position and posture through continuous contact with the inner wall of the guide cylinder, ultimately achieving precise alignment with the target mounting cylinder, thus smoothly inserting it. This improves the alignment and operational efficiency of the installation while reducing the risk of equipment damage.

The invention relates to the technical field of network interface production equipment, in particular to a terminal assembling mechanism of network interface production equipment, which comprises a shell transportation module, a terminal transportation module, an assembling module and a cutting module, and is characterized in that the assembling module comprises a terminal stamping assembly, a shell positioning driving source and a shell positioning seat; the terminal stamping assembly comprises an inclined stamping driving source and an inclined stamping block, the inclined stamping driving source is used for driving the inclined stamping block to slide in an inclined mode, the shell positioning seat is provided with a through hole for a terminal to be inserted and penetrate through, a shell positioning block is formed on the shell positioning seat, and the inclined stamping driving source is used for driving the inclined stamping block to slide in an inclined mode. When the shell conveying module conveys the shell to the assembling module, the shell positioning seat slides until the shell positioning block is inserted into an inner cavity of the shell and abuts against the mounting block, the shell positioning block is located in a sliding path of the inclined punching block, and the terminal conveying module enables the terminal to penetrate through the penetrating hole and be inserted into the inner cavity of the shell.

The application discloses a water meter core insertion device with visual correction function, a pneumatic gripper adopts multi-finger, the inner side of the finger and the contact surface of the core adopt arc-shaped profiling design, the finger clamping pressure is adjustable, and the deformation of the core or the falling of the core caused by improper clamping force in the grabbing process is avoided. The shell clamp device adopts right positioning cylinder, clamping cylinder, centering cylinder, left positioning cylinder, or front and rear positioning block clamping positioning, and adopts centering shaft correction clamping mode, which further improves the positioning accuracy of the shell, and ensures that the core is smoothly inserted in place. The visual camera takes pictures to calculate and correct the angle operation process, which is to calculate the correct rotation correction angle, and the finger clamping position avoids the protruding positioning surface on the core. Each functional device adopts compact modular design, which not only realizes single machine application and multi-station production line online use, but also realizes compact layout, reduces equipment motion beats, reduces equipment system cumulative error and the like.

An elastic support device for a curtain cord reel includes a base, a cover, and a drum. A positioning block with a cord threading hole is located at the bottom of the base. The cover is positioned on the upper part of the base, and the two ends of the base and the two ends of the cover are fastened together by a snap-fit ​​structure. A drum is positioned between the base and the cover, with a cord wound around its outer wall. One end of the cord passes downwards through the cord threading hole. Two left support rods (front and rear) are located on the upper left side of the base, and two right support rods (front and rear) are located on the upper right side of the base. The height H1 of the left support rod is lower than the height H2 of the right support rod. An elastic support leg is located at the top of the left support rod. The elastic deformation of the elastic support leg reduces the height of the left support rod, allowing the base to be smoothly inserted into the track. After insertion, the elastic support leg returns to its original position under elastic force, ensuring good support between the cord reel and the track, making the cord reel assembly more stable and reliable.

The utility model discloses a board card locking piece and board card connector relates to connector technical field, the board card locking piece includes card seat and ear clip, card seat both sides are equipped with holding groove and card slot respectively, the ear clip includes main part and toggle piece that are integrated, the main part is rotatablely installed in the holding groove, the toggle piece is located outside the holding groove, and the card seat is equipped with the holding groove and the card slot respectively. One end of the shifting piece is a shifting part, and the other end of the shifting piece is provided with a clamping pin matched with a locking notch in a board card. And an elastic clamping assembly for automatically centering and fixing the board card from the front-back direction is arranged in the clamping groove. When the connector is used, a board card can be automatically centered and inserted into the slot, the board card can be positioned from multiple directions at the same time, and the technical problems that the board card is easy to deviate and misplace when being installed, the board card is easy to loosen after being installed, and the stability and the reliability are poor in an existing connector are solved.

The utility model discloses a pre-splitting blasting device for mine blasting, which belongs to the technical field of pre-splitting blasting devices and comprises an energy gathering pipe, an inner end, an outer end, a plurality of positioning support frames and a plurality of supporting rods, the inner wall of the energy gathering pipe is provided with a V-shaped groove, an energy gathering hole is arranged in the V-shaped groove, a material blocking thin strip is arranged in the V-shaped groove, the inner end is provided with a plurality of positioning support frames, and the positioning support frames are attached to the wall of a blasting hole after being expanded. And a positioning frustum is connected to the energy-gathering pipe and is used for fixing the outer end of the energy-gathering pipe. According to the technical scheme, the positioning supporting frame can be unfolded and folded through rotation, when the energy gathering pipe is inserted into the blast hole, the whole positioning supporting frame is extruded to be in a folded state, smooth insertion of the energy gathering pipe can be facilitated, after insertion is completed, the positioning supporting frame can automatically bounce outwards to be in contact with the hole wall, and the supporting and positioning effects on the energy gathering pipe are achieved; the requirement for the drilling precision of the blasting hole is low, in addition, the material blocking thin strips can play a blocking role when explosives are injected, the explosives are prevented from leaking out through the energy gathering hole, and smooth operation of explosive injection work is facilitated.

The application relates to a food detection sampler, belonging to the technical field of samplers, which comprises a handle assembly, the inner side of the handle assembly is provided with a control assembly penetrating through the top wall of the handle assembly and capable of being conveniently controlled by a user, the inner side of the handle assembly and below the control assembly are provided with a driving mechanism providing necessary power for operation of the sampler, the lower side of the driving mechanism and the inner side of the handle assembly are provided with a sampling assembly capable of smoothly sampling, the driving mechanism comprises a driving motor, a driving rod and a telescopic part, and the driving motor is fixed to the inner side wall of the handle assembly. The food detection sampler drives the sampling assembly to rotate and continuously move downwards, can guarantee that the sampling assembly is smoothly inserted into food, and the telescopic part on the driving mechanism realizes lifting under the control of the driving motor, so that the lifting distance is controllable, quantitative sampling of food can be realized, and the sampler is more accurate compared with manual sampling.

This invention provides a compressor housing assembly, a compressor, and an air conditioner. The compressor housing assembly includes a compressor housing and a sensor mounting bracket fixedly connected to the compressor housing. The sensor mounting bracket includes a mounting body, and an insertion channel for pressing a temperature measuring section of a temperature sensor is formed between the mounting body and the compressor housing. A cantilever pressing structure is formed on the end face of the mounting body downstream of the temperature sensor insertion direction. The cantilever pressing structure extends a predetermined length M along the insertion direction, where 7L / 8≥M≥L / 3, where L is the axial length of the temperature measuring section of the temperature sensor. This invention ensures a large pressing contact area with the temperature sensor, thus ensuring reliable pressing and preventing loosening due to an insufficient pressing contact area or scratches or pressure damage to the sensor due to excessive local force. The deformation of the cantilever pressing structure is also more controllable.

This utility model discloses a gradient balancing device for the electromechanical and optical environment of a subway, relating to the technical field of urban rail transit electromechanical equipment. It includes a device body and a ceiling, a mounting block fixedly installed on the outer wall of the device body, a trapezoidal block on one side of the mounting block, and a first elastic element positioned between the mounting block and the first elastic element. The first elastic element is V-shaped. In this utility model, the device body is connected to the ceiling via the mounting block. The trapezoidal block is inserted into a locking block, and the V-shaped first elastic element is compressed to generate a clamping force. A hinged mounting plate, under the action of a torsion spring, expands to engage the trapezoidal block with the locking block. During disassembly, rotating the rotating rod tightens the pull rope, pulling the trapezoidal block to compress the first elastic element and release the engagement. The combination of the first elastic element and the torsion spring enables tool-free quick installation and disassembly, avoiding damage to the ceiling finish, shortening the disassembly time per workstation, and improving maintenance efficiency.

The utility model discloses an elevator. The elevator comprises an elevator box body and a sealing cover seat body. The elevator box is provided with a base plate, a first side plate and two second side plates, the two second side plates are oppositely arranged on the base plate in a spaced mode, the first side plate is connected with the two second side plates, the first side plate and the base plate are arranged in a spaced mode to define a cleaning opening, and the base plate and the two second side plates all extend out of the first side plate. The extending parts of the two second side plates are bent in the direction away from the cleaning opening so as to form first flange edges correspondingly. The sealing cover seat body is inserted into the cleaning opening, the bottom face of the sealing cover seat body is attached to the base plate, second flange edges extend out of the two opposite sides of the sealing cover seat body so as to be detachably attached and connected with the first flange edges of the two second side plates in a one-to-one correspondence mode, so that no dead angle exists between the sealing cover seat body and the base plate and between the sealing cover seat body and the two second side plates, and accumulated materials are more conveniently cleaned.

The utility model discloses an automobile bearing production rust-proof device which comprises a box body, a cover plate is detachably arranged on the upper end face of the box body, a supporting plate is detachably arranged in the box body, supporting rods are arranged on the left side and the right side of the upper end face of the supporting plate, and a plurality of sets of bearing bodies are detachably arranged on the two supporting rods. A plurality of partition plates are detachably arranged above the two bearing bodies on the same horizontal plane, through holes are symmetrically formed in the multiple partition plates corresponding to the supporting rods, mounting rods are arranged at the four corners of the lower end face of each supporting plate, and mounting holes corresponding to the multiple mounting rods are formed in the inner wall of the bottom end of the box body; the bottom end of the cover plate is provided with clamping sleeves corresponding to the two supporting rods and the partition plate at the topmost end, operation holes are formed in the two supporting rods, through the design of the partition plates, surface scratch or damage caused by mutual contact, collision or friction of the bearing body in the transportation, storage or treatment process is effectively prevented, and the precise surface of the bearing is protected to the maximum extent.

This utility model discloses a flat knitting needle, including a needle bar and a spring plate. The spring plate includes an integrally connected fixed section, a connecting section, a first abutment section, a raised section, and a second abutment section. The fixed section is fixedly connected to the needle bar. The connecting section connects the fixed section and the first abutment section. The raised section connects the first abutment section and the second abutment section. The first and second abutment sections abut against the needle bar respectively. The raised section protrudes in the direction away from the needle bar, forming a needle insertion gap between the raised section and the needle bar. In this utility model, the raised section of the spring plate forms a needle insertion gap with the needle bar, allowing a matching knitting needle to be inserted. Stable support is provided on both sides of the raised section, thus maintaining the stability of the needle insertion gap and allowing for smooth insertion of the matching knitting needle.

The utility model relates to a locking device of a spare tire cover lock. The locking device comprises a sliding piece, a connecting plate, a bolt and a nut. The sliding part comprises a sliding plate, upper side plates and a rear side plate, a hook body is arranged at the front end of the sliding plate, the upper side plates are arranged on the two sides of the surface of the sliding plate respectively to form spring bolt grooves, inlets of the spring bolt grooves are formed between the tops of the upper side plates, and the size of the inlets of the spring bolt grooves is smaller than that of inner cavities of the spring bolt grooves. The rear side plate is arranged at the rear end of the sliding plate, and a second through hole is formed in the rear side plate; according to the locking device, the sliding piece is matched with the bolt, the nut and the connecting plate, the position of the sliding piece is accurately adjusted, the structure is compact, and reliability is high. The sliding piece is fixedly connected to the support through the bolt, a user only needs to rotate the nut, the bolt can be controlled to move front and back, and therefore the sliding piece is driven to achieve linear adjustment, the hook body accurately enters or retreats from the locking groove, and the locking or unlocking efficiency and stability are effectively improved.

The utility model discloses a novel female header connector, which comprises a body, a plurality of groups of jacks are arranged on the body, connecting assemblies are arranged in the jacks, protective assemblies are arranged on the two sides, facing the connecting assemblies, in the jacks, each protective assembly comprises a boss fixed on the body, an empty groove is arranged in each boss, and the protective assemblies are arranged in the empty grooves. A supporting shaft is installed in the empty groove, and the outer side of the supporting shaft is rotationally connected with a rolling shaft. Through the arrangement of the protection assembly, when the pin header is connected with the female header connector, the pin header is in contact with the fastening section, at the moment, the fastening section is stressed to deform to be in contact with the rolling shaft in the boss, and the rolling shaft rotates along the supporting shaft in the empty groove through friction force during contact, so that the pin header is inserted more smoothly; and after the insertion is completed, pressure is applied to the fastening section through the rolling shaft, so that the fastening section tightly clamps the pin header, the pin header and the fastening section are connected more tightly, and the connection stability is improved.

This invention discloses a protective component and a safety helmet device, relating to the technical field of safety protection devices. The protective component includes earmuffs and a connecting arm for connecting a safety helmet. One of the earmuffs and the connecting arm has a protruding sliding post, and the other has a locking groove. The opening of the locking groove extends in a strip shape, and multiple locking positions are distributed on the sidewall of the locking groove along its extension direction. The sliding post is slidably connected to the locking groove and engages with one of the locking positions. The technical solution provided by this invention aims to reduce the difficulty of adjusting the relative position of the earmuffs and the connecting arm, ensuring the ease of use of the protective component.

The application relates to the technical field of nuclear fuel assemblies, and particularly discloses a hexagonal fuel assembly for a heat supply reactor, wherein the upper end plane of an upper pressing spring is in contact with a pressing plate at the uppermost end of a hexagonal upper tube seat, the pressing plate is in contact with an upper grid plate of a reactor core, the upper pressing spring is sleeved outside a control rod guide tube, the lower end of the upper pressing spring is in abutment against a bottom plate of the hexagonal upper tube seat, and the upper pressing spring can axially press the hexagonal upper tube seat and components below the hexagonal upper tube seat; the lower end plane of a lower pressing spring is in contact with a pressing plate at the lowermost end of a hexagonal lower tube seat, the pressing plate is in contact with a lower grid plate of the reactor core, the lower pressing spring is sleeved outside the control rod guide tube, the upper end of the lower pressing spring is in abutment against a bottom plate of the hexagonal lower tube seat, and the lower pressing spring can axially support the hexagonal lower tube seat and components above the hexagonal lower tube seat. When an earthquake occurs, the vibration of the reactor core transmitted to the fuel assembly of the application can be absorbed by the upper pressing spring and the lower pressing spring, so that the anti-seismic performance of the whole assembly under the earthquake condition is effectively improved.

The utility model relates to the technical field of electronic control devices, and relates to a connecting assembly and a relay. The connecting assembly comprises an armature support, wherein the armature support comprises a body part and a connecting part; the pushing card comprises a first part and a second part, the first part is used for being connected with the contact assembly, and the second part is located on one side of the first part in the first direction; the second part is provided with an inserting groove with a notch located in one side of the second part in the second direction, and the second direction is parallel to the rotating axis of the body part. At least part of one end of the connecting part in the second direction is inserted into the inserting groove, and a limiting groove is formed in the other end of the connecting part in the second direction; a notch of the limiting groove is opposite to a notch of the inserting groove, at least part of the pushing card is located in the limiting groove, and the limiting groove is at least used for limiting the maximum displacement of the pushing card in the third direction. By optimizing the structure of the connecting assembly, the assembling difficulty of the armature support and the pushing clamp can be reduced, and the reliability of the connecting relation can be improved.

This utility model discloses an electric telescopic tool for hot water bag production. It relates to the field of hot water bags and aims to solve the problem that when the mold core is removed from the bag opening, the lack of air or even negative pressure inside the hot water bag leads to high friction between the mold core and the bag opening, making removal very difficult. The key technical point is that it includes a positioning cylinder and a telescopic cylinder. The telescopic cylinder is slidably positioned at one end of the positioning cylinder. A first fork is vertically arranged at the end of the positioning cylinder away from the telescopic cylinder, and a bent second fork is fixedly arranged at the end of the telescopic cylinder away from the positioning cylinder. The second fork is parallel to the first fork and fits against it. During the separation of the hot water bag, the tool achieves easy and effortless separation of the hot water bag and the mold core by disrupting the internal negative pressure environment and assisting in opening the bag opening.