37results about How to "Insert firmly" patented technology

This utility model discloses an automatic plug-in / plug-out device for Bluetooth adapter testing, relating to the field of Bluetooth adapter manufacturing technology. It includes a testing frame, with a testing host fixedly mounted at the lower end of the frame's interior. A testing hole is formed at the lower end of the testing host's side wall. A material cylinder is fixedly mounted at the bottom of the inner wall of the testing frame, with a pushing hole at the bottom of the cylinder. A push plate slides through the pushing hole, and a pushing groove is formed at the end of the push plate near the testing host. A support rod is fixedly mounted at the upper end of the side wall of the testing frame. A pull plate is rotatably sleeved on the support rod's wall, with its lower end sleeved outside the testing hole. A first torsion spring is sleeved on the support rod's wall, with both ends of the first torsion spring fixedly connected to the support rod and the pull plate, respectively. A one-way pushing mechanism is provided at the top of the push plate, used to pull the pull plate away from the testing host. This utility model enables rapid automatic plug-in / plug-out testing of Bluetooth adapters, reducing manual operation and improving testing efficiency.

A kind of water bottom electromagnetic detection equipment platform and its launching and recovery method, including upper top plate, middle layer plate and lower bottom plate from top to bottom in turn, the three layers of plate fixed connection constitute square fixed plate, limit space is arranged between upper top plate and lower bottom plate, electromagnetic detection equipment is installed in the limit space, the electromagnetic detection equipment contains several sensors and measurement arm I, measurement arm II, measurement arm III, measurement arm IV respectively extend outward along the diagonal direction of the four corners of the square fixed plate, can significantly improve the recovery reliability, operation flexibility and task success rate of water bottom electromagnetic detection equipment in complex shallow water environment. The platform is connected by releasing structure and platform using buoyancy cylinder, the recovery of the platform is realized, transducer release, timing release, electromagnetic signal release three independent release modes are integrated on the same platform, the recovery success rate and task reliability of seabed electromagnetic detection equipment in complex environment are significantly improved.

The invention aims at providing surveying equipment for hydrogeological survey, and relates to the technical field of measuring equipment, the surveying equipment comprises an electrode bar assembly, the electrode bar assembly comprises a pole, a pole cap and a drilling rod, and the electrode bar assembly is used for being connected with soil and measuring the resistivity of the soil; the driving assembly comprises a battery pack, a threaded sleeve, a shaft sleeve and a motor and is used for driving the electrode bar assembly to insert underground; the compaction assembly comprises a pressing rod, a first pressing plate and a second pressing plate, and it can be guaranteed that soil is attached to the electrode bar assembly. And the straightening assembly comprises a third mounting plate, a laser range finder, a measuring plate, a lens and a developing plate, plays an auxiliary role in insertion of the electrode bar assembly, ensures that the electrode bar assembly is linearly distributed, and solves the problems that the measurement position is deviated and the accuracy and the reliability of measurement data are influenced due to the fact that the electrode bar is easily inclined when being manually inserted in the prior art.

The utility model provides a redundant power supply automatic switching device of a hot plug module, which relates to the technical field of power supply switching equipment, and comprises a socket assembly consisting of a socket cover and a plug assembly consisting of a plug seat and a plug block which are arranged on one side of the socket cover, the plug seat is connected with the socket cover through the plug block, and the plug block is connected with the socket cover through the plug block. Sliding holes are formed in the two ends of the plug block, a trigger rod penetrating through the plug seat is arranged in the plug seat, two connecting plates are arranged at the end, located in the plug seat, of the trigger rod, a rectangular frame is arranged between the two connecting plates, and a conductive column is arranged at the end, close to the plug block, of the rectangular frame; a plug seat of a plug assembly is connected with a socket cover through a plug block with a sliding hole, the sliding hole provides guidance for insertion, so that the plug block can stably move along a set path, during insertion, the plug block pushes a trigger rod, the trigger rod drives a connecting plate and a rectangular frame, a conductive column is in contact with a conductive structure in a socket, and power connection is achieved.

This utility model relates to the field of automotive manufacturing technology and discloses an installation and positioning structure for automotive taillights. It includes an installation housing, a fixed housing fixedly connected to the top of the installation housing, and an installation plate fixedly connected to the top of the installation housing. A sliding groove is provided on the top of the installation housing. This utility model uses a servo motor to drive the operation of a first transmission column, which in turn drives the meshing transmission of a first bevel gear and a second bevel gear, thereby achieving synchronous rotation of the second transmission column. This structural operation is further transformed into the rotation of a rotating disk, ultimately driving a moving block to slide smoothly within a limiting sleeve, allowing the insert block to accurately insert into the interior of the limiting column. This achieves rapid fixing of the taillight without the need for manual adjustment, improving installation efficiency and accuracy. Simultaneously, the cooperation between the guide block and the sliding column ensures stable insertion of the insert block, avoiding problems of insecure fixing due to shaking or errors, and enhancing the installation stability and reliability of the taillight.

This application relates to the field of magnetic core production equipment, and more particularly to a ferrite core sintering furnace, which includes a sintering furnace body. A blowing assembly is disposed on the sintering furnace body near its feed inlet. The blowing assembly includes a blowing head and a dust cover. The dust cover is hollow, and the blowing head is disposed inside the dust cover. The dust cover has clearance holes, through which the workpiece passes during sintering and then enters the sintering furnace body. The blowing head is connected to a blowing device, and a nozzle is provided on the blowing head. This application has the effect of reducing the workload of workers and reducing dust generation.

The application provides a self-biting sectional pressing belt of a pressing belt conveyor and belongs to the technical field of conveying devices.The self-biting sectional pressing belt comprises a conveying belt mechanism and a pressing belt mechanism, the conveying belt mechanism and the pressing belt mechanism are in abutment, the pressing belt mechanism comprises a plurality of sectional belts, the sectional belts are provided with a female end and a male end along the width direction of the sectional belts, and the female end and the male end of two adjacent sectional belts are detachably connected.The self-biting sectional pressing belt has the advantages that after the sectional belt contacts the conveying belt, the closed treatment can be firstly realized, the sectional belt can press the conveying belt under the action of external pressure, the internal sealing state can be maintained at all times when the continuous angle and height change, and the sectional belts are assembled in a splicing mode, so that the replacement operation can be rapidly performed when the sectional belt is damaged.

The present application belongs to the technical field of grain fumigation, and particularly relates to a granary medicine feeding machine, which comprises a base plate, a rack fixed on the base plate, a lifting seat in sliding guide cooperation with the rack, a lifting driving mechanism installed on the rack, an outer pipe body vertically downwardly extending through the base plate, an inner pipe body sleeved in the outer pipe body and abutting against the inner bottom end of the outer pipe body, and a connecting mechanism installed on the lifting seat and connected with the top of the inner pipe body. The present application can reduce the resistance of pipe body insertion into the grain pile, reduce the grain occupation of the medicine feeding space and the pipe body blockage, improve the stability of the outer pipe body embedding depth and position, and is beneficial to the release of fumigant in the grain pile according to the predetermined position, so as to realize the fumigation effect.

The utility model relates to the field of building decoration and beautifying construction, and particularly discloses a rubber nozzle shearing tool. Comprising a main body, a knife handle, a blade and a pressing handle, and the main body is of a long-strip-shaped structure, is made of a high-strength material and is provided with a cutting opening for containing a glue nozzle. The pressing handle is pivoted to the middle of the main body, and the glue nozzle inserted between the pressing handle and the main body can be flattened through rotation so as to adjust the shape of the glue nozzle. And the knife handle is pivoted to the front end of the main body and is provided with a blade, and the knife handle drives the blade to shear the flattened glue nozzle when being pressed, so that a glue outlet meeting construction requirements is formed. The cutter is suitable for shearing a rubber nozzle of a glass cement bottle or a beautifying rubber bottle and is widely applied to scenes such as building sealing, decoration joint filling and beautifying nursing, and pretreatment and accurate shearing of the rubber nozzle are achieved through the structural design; the tool is simple and convenient to operate, compact in structure, suitable for various glue nozzle specifications and capable of meeting different construction requirements.

The utility model relates to the technical field of liquid level meters, and discloses a novel gas guide type liquid level meter which comprises a sensitive device assembly, a gas guide pipe is arranged on the outer wall of the sensitive device assembly, a balance cover is arranged at the end of the gas guide pipe, a fixing assembly is arranged on the outer wall of the sensitive device assembly, and the fixing assembly comprises a fixing sleeve. A bidirectional threaded rotating rod is rotated, so that a limited threaded sliding block drives an L-shaped plate and an extrusion rubber block to move, the grip can be stably fixed when the L-shaped plate and the extrusion rubber block move towards the two sides, and after the threaded sliding block moves to the maximum limit, a connecting plate can be pulled to enable an elastic telescopic plate to stretch; and after the fixing head is aligned with the limiting groove, the elastic telescopic plate can be loosened, so that the fixing head can be stably inserted into the limiting groove, it is guaranteed that the balance cover can be stably stored when the balance cover is not used, and the balance cover is prevented from penetrating through the air guide pipe to be wound and knotted.

The application provides an inner support plate and an inner support device with the same. The inner support plate comprises a plate body, a plug-in mechanism and a guide mechanism. The plate body is arc-shaped and has a preset elasticity. The plate body is detachably connected with a driving device. The plug-in mechanism is arranged at a first end of the plate body. A second end of the plate body is inserted into the plug-in mechanism of an adjacent inner support plate. The guide mechanism is arranged on the plug-in mechanism and is used for guiding the second end of the plate body in the adjacent inner support plate. In the application, when a plurality of inner support plates are connected in sequence, the two ends of the plate body are limited by the plate bodies of the adjacent inner support plates. The driving device drives the plate body to move to adjust the bending degree of the plate body, so that the plate body is tightly attached to the barrel section, facilitating the installation of the two barrel sections. The guide mechanism can guide the second end of the plate body in the adjacent inner support plate, ensuring that the plate body in the adjacent inner support plate is stably inserted into the plug-in mechanism. Moreover, the inner support plate can be repeatedly used, improving the utilization rate, reducing the tooling and lowering the cost.

The invention discloses system exhibition equipment for software development based on an auxiliary technology, the system exhibition equipment comprises a bottom plate, the top end of the bottom plate is fixedly connected with a supporting seat, the interior of the supporting seat is movably connected with a movable seat, and the top end of the movable seat is fixedly connected with a software development exhibition device; and one end of the software development exhibition device is fixedly connected with a system exhibition display screen, a first through groove is formed in the supporting seat, and a double-end motor is fixedly connected into the first through groove. Through starting of a double-head motor, a first threaded rod and a second threaded rod at the two ends can be driven to synchronously rotate and operate, and under the action of threaded connection, a movable seat and a guide plate can be driven to synchronously move towards the two ends, so that the exhibition device extends out; the two motors can operate synchronously, and only the double-head motor is used as a power source, so that the resource cost can be saved, the effects of contraction and portability can be achieved, and convenience is brought to workers.

The present invention provides an applicator for biometric information acquisition, the applicator comprising: a housing forming an internal space and comprising an opening portion opened on one side; a plunger disposed in the inner space of the housing and configured to move a sensor unit for biometric information acquisition toward the opening portion; a protective cover configured to shield the opening portion; and a sealing member provided between the housing and the protective cover to seal the internal space.

This utility model relates to the field of audio connector technology and discloses a quick-plug audio connector, including a housing and a connector head. A collar is fixedly connected to the top and bottom of the front end of the housing. A slide plate is fixedly connected to the top and bottom of the connector head. A limit block is fixedly connected to one end of the inner wall of the slide plate. A socket is fixedly connected to the right side of the housing. A sliding frame is fixedly connected to the top and bottom of the socket. A pressing block is slidably connected to the inner wall of the sliding frame. A uniformly distributed first spring is fixedly connected to one end of the pressing block, and one end of the first spring is fixedly connected to the sliding frame. A retaining plate is fixedly connected to the right side of the pressing block. In this utility model, when the housing needs to be installed, pressing the pull bar will pull the top rod, causing it to move along the inner wall of the sliding tube. Then, the collar is inserted into the mounting plate. Releasing the pull bar allows the top rod to be inserted into the inner wall of the collar by the elastic force of the second spring, thus completing the quick installation.

The utility model discloses an 18 -pin plug connector with prevent structure, especially relates to the technical field of prevent plug -in spare, including plug -in installation cover and plug -in 18 -pin, the middle part of plug -in installation cover outer end surface is equipped with the limit support cover, the inside of limit support cover is equipped with the plug -in sliding slot, the inside of plug -in sliding slot is equipped with plug -in sliding block, the outside end surface of plug -in sliding block is equipped with annular prevent board in the inside of limit support cover. The utility model discloses practical use, through the corresponding setting state of limit support cover, plug -in sliding block, first sealing washer and second sealing washer, can after the installation and fixation of plug -in installation cover, avoid the contact of plug -in 18 -pin with socket directly, thereby avoid the misplacement of plug -in 18 -pin when plugging, and the staff will pinch the one side of plug -in sliding block outside end surface, and will push plug -in sliding block to the inside of plug -in installation cover, thereby make plug -in 18 -pin steady and insert the inside of socket, make plug -in 18 -pin plugging more stable.

The utility model relates to the technical field of medium-frequency steel shell furnaces, and discloses a medium-frequency steel shell furnace which comprises a heating tank assembly, an installation frame is arranged on the outer wall of the heating tank assembly, and a discharge valve port is formed in the inner wall of the heating tank assembly. Then, a pressing plate can be pressed downwards to enable a connecting ring and an elastic telescopic plate to displace, then a rotating disc can be rotated to enable a threaded rod to rotate and descend so as to drive an upper cover to descend, a rotating sleeve can be rotated after the upper cover descends, then the upper cover is rotated, and therefore internal threads and external threads make contact with each other for sealing; and finally, after sealing is completed, a pressing plate can be loosened to enable an elastic telescopic plate to reset and stretch, so that the elastic telescopic plate can be inserted into an adaptive rotating sleeve, the upper cover is prevented from being displaced by external force during use, and the stability of the heating tank assembly during molten material adding is guaranteed.

The utility model discloses an NMP waste liquid pretreatment device, which belongs to the technical field of NMP waste liquid treatment and comprises a box body, a mounting groove is formed in one side of the outside of the box body, a guide groove is formed in the middle end of the inner wall in the box body, an insertion groove is formed in the guide groove in the inner wall of one side of the box body, clamping blocks are arranged on the inner walls of the two sides in the insertion groove, and a clamping spring is arranged at one end of each clamping block. A screen frame is arranged in the mounting groove, a guide block is arranged on the periphery of the screen frame, an insertion plate is arranged at one end of the guide block, fixed clamping plates are arranged on the two sides of one end of the insertion plate, a sliding groove is formed in the middle of the insertion plate, a movable clamping plate is arranged in the sliding groove, and a reset spring is arranged on one side of the movable clamping plate. The screen frame is installed and fixed, guiding is conducted through the guiding groove and the guiding block, the stability of inserting connection is ensured, the sliding groove and the movable clamping plate are matched, the functions of pulling the end plate, releasing the clamping state and achieving disassembly after pressing are achieved, and the design greatly improves the convenience of disassembly and assembly of the screen frame.

The present application belongs to the technical field of transplanting machinery, and relates to a seedling shooting machine for rice planting, which comprises a vehicle frame and moving wheels, two moving wheels are rotationally connected to the lower part of the vehicle frame, and further comprises a supporting plate, a seedling rack, a pushing mechanism, a position adjusting mechanism and a material guiding mechanism; the top of the vehicle frame is connected with the supporting plate; the supporting plate is slidably connected with the seedling rack; a plurality of material falling ports are uniformly and intervally arranged on the supporting plate; the seedling rack is located on the left side of the material falling port; the supporting plate is provided with the pushing mechanism for pushing the seedlings; the vehicle frame is provided with the position adjusting mechanism for driving the seedling rack to move for position adjustment and the material guiding mechanism for guiding the seedlings. In the operation process, the connecting hose and the discharge pipe can guide the ejected seedlings, so as to ensure that the seedlings are in a vertical state when the seedlings are thrown, and the growth and development of the seedlings are not affected by the inclination of the seedlings.

The utility model belongs to the technical field of clothes hanger transmission, and particularly relates to a clothes hanger transmission mechanism for a hanging system, which comprises a mounting box body, a mounting frame is fixedly mounted on the inner bottom wall of the mounting box body, the mounting frame is rotatably connected with a shaft rotating rod I through a bearing, and a bevel gear I and a winding disc are respectively and fixedly mounted on the periphery of the shaft rotating rod I; the winding disc is used for winding the traction steel wire; the side edge of the mounting box body is rotationally connected with a shaft rotating rod II through a bearing, one end of the shaft rotating rod II is fixedly provided with a bevel gear II, and by arranging the limiting assembly, stable connection between the mounting box body and the sealing plate is achieved. The sealing plate can be firmly installed on the installation box body through the adaptive design of the limiting insertion rod and the limiting insertion hole and the cooperative work of the sliding plate, the connecting rod, the Z-shaped plate and other components, the structural stability of the whole mechanism in the operation process is guaranteed, and faults or potential safety hazards caused by component looseness are effectively prevented.

The present invention relates to a housing unit (1) for a disengaged clutch (30), the housing unit having a driven cylinder housing (10) and a transmission housing (20), wherein the driven cylinder housing (10) and the transmission housing (20) are arranged concentrically relative to each other about a common longitudinal axis L, and the driven cylinder housing (10) is at least partially received in the transmission housing (20), wherein the transmission housing (20) has an outer wall opening (21a), wherein the driven cylinder housing (10) has an inner wall (11), an outer wall (12) and a bottom wall (13) connecting the inner wall (11) and the outer wall (12) to each other, wherein the inner wall (11), the outer wall (12) and the bottom wall (13) together define a pressure chamber (14), and wherein the outer wall (12) of the driven cylinder housing (10) has at least one inlet opening (12a, 12b, 12c). Each of the one or more inlet openings (12a, 12b, 12c) is positioned below the central plane M that divides the transmission housing (20) into a first semi-cylindrical member (H1) and a second semi-cylindrical member (H2), wherein the outer wall opening (21a) of the transmission housing (20) is located in the first semi-cylindrical member (H1) above the centerline M in the circumferential direction of the transmission housing (20).

The application discloses a needle-planting power assembly and a signal transmission assembly thereof. The signal transmission assembly comprises a terminal seat and a conductive terminal inserted into the terminal seat. The terminal seat is a single-piece tubular structure formed integrally, and has a connecting end, a plug-in end and a positioning section between the connecting end and the plug-in end. The plug-in end has a first length and a first inner diameter, and the positioning section has a second length greater than the first length and a second inner diameter smaller than the first inner diameter. A first interference is formed between the conductive terminal and the plug-in end, and a second interference greater than the first interference is formed between the conductive terminal and the positioning section. Thus, the needle-planting section can gradually increase the interference between the needle-planting section and the terminal seat, thereby being stably inserted into the terminal seat and effectively avoiding bending during the needle-planting process.

The application discloses a civil engineering building template connecting frame and relates to the field of civil engineering connecting frames. The civil engineering building template connecting frame comprises a fixed base and multiple groups of civil engineering building template bodies, the fixed base is used for reinforcing the civil engineering building template bodies, multiple groups of positioning inserting rods are movably inserted into the fixed base, and vertical supports are fixedly connected to the top of the fixed base. When the civil engineering building template connecting frame is used, reinforcing blocks are welded on the civil engineering building template bodies, so that the fixed base and the vertical supports reinforce the reinforcing blocks, the civil engineering building template bodies are conveniently reinforced, a first adjusting mechanism is arranged to conveniently adjust the horizontal position of a positioning sleeve, a second adjusting mechanism is arranged to conveniently adjust the vertical position of the positioning sleeve, and therefore, when the position of the fixed base is fixed, only one-time transverse alignment is needed.

The utility model provides medium-sized truck towing hook surface polishing equipment, which belongs to the field of polishing equipment and comprises a base, vertical frames are oppositely arranged at the upper ends of the two sides of the base, position adjusting assemblies are arranged on the opposite sides of the vertical frames, and electric rotating discs are arranged on the outer walls of the opposite sides of the position adjusting assemblies. After long-time operation of the grinding machine, the grinding machine needs to be replaced due to abrasion, pulling plates are pulled towards the outer portions of the two sides, clamping plates are driven to be separated from clamping grooves, the clamping plates slide towards inner grooves, and under external limiting of limiting rods, embedded in the limiting grooves, of the limiting plates, the clamping plates stably extrude telescopic rods and springs to enable the telescopic rods and the springs to contract; the clamping grooves in the two sides of the replaced grinding roller are aligned with the clamping plates, the pulling force on the pulling plates is released, the telescopic rods and the springs push the clamping plates, the clamping plates are stably inserted into the aligned clamping grooves under the limiting effect that the limiting plates are embedded into the limiting grooves, and then rapid replacement and fixation can be completed.

This utility model discloses a diamond flocked grinding disc, including a grinding disc body. A positioning hole is formed around the top surface of the grinding disc body, and a grinding disc cutter head is positioned above the grinding disc body. With this utility model, pulling a pull ring on one side of the grinding disc body moves a connected insert rod to the through hole position, at which point the positioning block at the bottom of the grinding disc cutter head is inserted into the positioning hole of the grinding disc body. After releasing the pull ring, the spring on the outside of the insert rod automatically passes through the positioning block and enters the insertion hole, achieving quick and easy installation of the grinding disc cutter head. When a damaged grinding disc cutter head needs to be replaced, pulling the pull ring again completely removes the insert rod from the insertion hole and enters the through hole, allowing the grinding disc cutter head to be moved upwards, disengaging the positioning block from the positioning hole, thus completing the disassembly of a single grinding disc cutter head. This enables modular replacement of grinding disc cutter heads, significantly reducing usage costs while improving the practicality and economy of the product, effectively overcoming the shortcomings of the original fixed structure.

This utility model relates to the field of reaction vessel technology and discloses a reaction vessel with detachable heat exchange pipes, including a chamber body. The outer wall of the chamber body is provided with an inlet for feeding. During daily use, materials can be added into the chamber body through the inlet for reaction processing and discharged through the outlet. When disassembling and assembling the heat exchange pipes, the mounting base can be held to insert the heat exchange tube assembly into the disassembly slot, and the fixing bolts can be installed in the inner walls of the fixing base and the mounting base. Before installing the fixing bolts, the rotating base and the limiting plate can be rotated so that the limiting plate can support the fixing plate, making it easier to rotate and screw in the fixing bolts later. After the fixing bolts are installed, the rotating disc can be rotated to stretch the elastic telescopic plate so that the limiting block on the lifting plate is aligned with the fixing bolts. Then the elastic telescopic plate can be released to allow the limiting block to be inserted into the fixing bolts, ensuring convenient disassembly and assembly of the heat exchange tube assembly while ensuring the stability of the fixing bolts.

The utility model discloses a communication gateway convenient to install. The communication gateway comprises a bearing base, a communication gateway body and an internal function module. The function module realizes data transmission and power supply connection through a modular interface, and comprises a communication unit, a power supply unit and an expansion interface. The input end of the communication unit is connected with the expansion interface through the flexible circuit board, and the output end outputs signals through the signal connector. The power supply unit is in butt joint with the power interface through the contact type connector. The bottom of the communication gateway body is provided with a positioning pin hole, and the positioning pin hole is matched with a columnar positioning pin on the bearing base to achieve rapid positioning installation. The expansion interface adopts a sliding slot design, and the expansion module is inserted through a guide structure and is connected with the flexible circuit board. The communication unit adopts a double-layer circuit board design, the power supply unit is provided with an energy storage battery and heat dissipation fins, and the signal connector has waterproof performance. According to the utility model, the installation process is simplified, the environmental adaptability and the maintenance convenience are improved, and the device is suitable for various complex scenes.

The utility model discloses a kind of beach fishing rod supports, it is related to fishing aid technical field, including the support frame of hollow structure, support frame top opening is used to place fishing rod, bottom can be inserted ground;Its cross section is hexagon, bottom is provided with bevel, two sides of top are recessed, top is also provided with rubber sleeve, the inclined mouth of rubber sleeve top two sides is adapted to mobile phone;Inclined mouth gradually widens from below to above, two sides bevel wall is provided with anti-skid boss;Support frame middle part inner wall is fixed to prevent rod from falling;Support frame and rubber sleeve are provided with through hole, through hole is equipped with pin and pin cap;The support is inserted beach firmness, can prevent fishing rod from tilting and sliding;Mobile phone can be stably placed and adapted to multiple size models, fishing tackle and mobile phone protection are considered;It is convenient to operate, adapted to beach fishing scene, improve fishing experience.

The utility model relates to the field of environment detection, and discloses a multifunctional sampling head suitable for environment detection, which comprises a soil detection frame, a driving motor is fixedly mounted at the top of the soil detection frame, a driving gear is rotatably mounted on an output shaft of the driving motor, and a driving cylinder is fixedly mounted on the inner wall of the soil detection frame. A piston rod on the driving air cylinder is fixedly connected with a soil sampling head used for detecting soil, an annular plate is rotatably installed at the end of the soil detection frame, the outer wall of the annular plate is sleeved with an annular gear, and after soil sampling is completed, in the retraction process of the sampling head, a scraping plate can automatically scrape residual soil on the surface of the sampling head; and the complexity of manual cleaning and the risk of cross contamination are avoided. In addition, the driving motor drives the annular plate and the mud throwing plate to rotate, so that mud on the side edge of the scraping plate can be further removed, the cleanliness of the sampling head is ensured, and a guarantee is provided for next accurate sampling.

The utility model relates to the field of connectors, in particular to a battery connector convenient to plug and unplug, which comprises a male end joint and a female end joint, the male end joint can be plugged with the female end joint in a matching way, the female end joint comprises a shell and a conductive elastic sheet, a wiring cavity is arranged in the shell, and two ends of the shell are respectively provided with a wiring opening and a plug port. The conductive elastic piece is installed in the wiring cavity through the insulating retainer and comprises a positioning base body, the two ends of the positioning base body are bent to form side plates, clamping conductive plates are arranged at the ends, close to the plugging port, of the side plates, the two clamping conductive plates are symmetrical to each other, and the second clamping part and the first clamping part are arranged front and back in the plugging direction. When an inserting piece of the male end connector is inserted, the inserting piece firstly makes contact with the first clamping part to generate first-stage clamping force, after the inserting piece continues to be inserted, the inserting piece makes contact with the second clamping part to generate second-stage clamping force, and the clamping force of the second clamping part and the first clamping part on the inserting piece needs to be overcome at the same time when the inserting piece is pulled out. And the mechanical characteristics of convenient insertion and stable extraction are formed.

According to the door body assembly and the refrigeration equipment, the door body assembly is fixed through a pure buckle insertion structure, screws are omitted, the assembly process is simplified, and the manufacturing cost is reduced. The door body assembly comprises a decorative strip and a frame. The decorative strip is provided with an abutting wall, a vertical limiting part (comprising a first inclined wall, a second inclined wall, a first positioning part and a second positioning part) and a horizontal limiting part, the first inclined wall and the second inclined wall incline in opposite directions, and the distance between the outer surfaces is gradually increased when the distance is close to the abutting wall. In the assembling process, the frame is inserted into the decoration strip in the extending direction and abuts against the first inclined wall and the second inclined wall, the inclined walls are obliquely designed to guide the frame to slide stably till the end of the frame makes contact with the abutting wall, the first positioning wall naturally abuts against the first positioning part, the second positioning wall naturally abuts against the second positioning part, and the locking effect is achieved. The design limits the movement of the frame in the vertical and horizontal directions, and ensures high assembly precision and strong stability. The locking device is simple to operate, can be locked only through vertical pushing, shortens the assembly time, is suitable for refrigeration equipment such as a refrigerator, improves the durability and attractiveness of a door body, reduces the material management and quality control cost, and realizes structure optimization and function improvement.