63results about How to "Fast and secure connection" patented technology

The utility model discloses a grabbing type sea cucumber fishing robot. The sea cucumber collecting robot comprises a robot frame, a five-degree-of-freedom mechanical arm and a sea cucumber collecting device, a mechanical arm base and a sea cucumber collecting device are fixedly arranged on the top of the robot frame, a sealing bin is fixedly arranged at the bottom of the robot frame, and vertical propellers and horizontal propellers are fixedly arranged on the periphery of the robot frame. And the synchronous pulley II is driven by the stepping motor I to realize the rotary motion of the mechanical arm. According to the underwater robot, the five-degree-of-freedom mechanical arm and the eight-shaft propeller are adopted, and free movement and flexible grabbing of the robot under water are achieved. The sea cucumber catching robot can replace manpower to catch sea cucumbers and is not limited by seasons. The water pressure borne by the device is far higher than that borne by human beings, so that the device has higher safety. The sea cucumber catching robot is used for replacing manual work, and potential hazards of the marine environment to the body health of a caught person are effectively avoided.

A photovoltaic roof water surface mounting device disclosed by the present invention comprises a roof panel and a photovoltaic support, the top of the roof panel is provided with a plurality of ribs parallel to each other, the photovoltaic support is fixedly erected above the ribs through a plurality of adapter clamps, the photovoltaic support is provided with a plurality of photovoltaic panels, the plurality of photovoltaic panels are arranged along the length direction of the photovoltaic support, and the adapter clamps are fixedly arranged on the photovoltaic support. The adjacent photovoltaic panels are connected through a first locking device, and the outer sides of the photovoltaic panels at the head end and the tail end are fixedly connected with the photovoltaic support through a second locking device. According to the invention, the photovoltaic support is rapidly and stably connected to the convex edge of the roof panel through the arranged switching clamp; through the arrangement of the first locking device, automatic locking connection between two adjacent photovoltaic panels can be realized only by pushing the photovoltaic panels in place, and screws do not need to be turned frequently for fixation; the photovoltaic panels at the head end and the tail end are tightly connected to the photovoltaic support through the arranged second locking device, the photovoltaic panels are easy and convenient to install, time and labor are saved, and the installation efficiency is improved.

The utility model relates to the field of electric appliance protection equipment, and discloses an overload protector switch which comprises an overload protector shell, a circuit break protection mechanism is arranged in an inner cavity of the overload protector shell, and a protector switch is arranged on the front side face of the overload protector shell. Two symmetrical anti-loosening devices are arranged at the corresponding upper and lower ends of the front side surface of the overload protector shell, two wiring mounting grooves are formed in each of the upper and lower sides of the overload protector shell, the wiring devices are arranged in the wiring mounting grooves, and the device adopts a modular design, so that wiring, disassembly and maintenance are facilitated, and the overload protector is convenient to use. Electrical equipment is efficiently and stably protected, downtime is reduced, functions are quickly recovered, and safe and stable operation of the equipment is ensured.

The utility model discloses a building template structure which comprises a bottom frame, a supporting inclined rod, a lifting adjusting mechanism, a supporting clamping mechanism and a clamping auxiliary mechanism, and the lifting adjusting mechanism comprises a fixed longitudinal rod, a movable longitudinal rod, a top frame, a bottom plate, a top plate and a hydraulic cylinder. The supporting and clamping mechanism comprises a clamping pipe, a clamping rod, a clamping groove, a locking spring, a locking rod and a ball, the clamping auxiliary mechanism comprises a fixing pipe, a fixing ring, a spiral pipe, a spring locking piece, a spiral step groove and an unlocking ring, through stretching and contracting of a hydraulic cylinder, vertical movement of a movable longitudinal rod can be accurately controlled, lifting adjustment of the formwork structure is achieved, and the formwork structure is convenient to use. The design of the clamping rod and the clamping groove allows rapid and stable connection, the installation and adjustment efficiency is improved, the design of the spiral pipe and the spiral stepped groove allows a user to finely adjust the locking state of the clamping mechanism, and it is ensured that the formwork stably works at the optimal position.

This utility model provides a novel universal power adapter, relating to the field of power adapter technology. It includes a housing assembly comprising an outer shell, an interface end cover, and a socket bottom cover. The socket bottom cover also includes an adapter circuit board mechanism disposed between the outer shell and the inner shell. A heat dissipation assembly comprises a heat dissipation sleeve embedded within the outer shell. A threaded heat-conducting plate is embedded in the heat dissipation sleeve. The threaded heat-conducting plate has a threaded structure, and the heat dissipation sleeve has annularly distributed heat dissipation holes. Heat generated during device operation is transferred to the outer shell and then conducted to the heat dissipation sleeve embedded therein. The threaded structure of the threaded heat-conducting plate increases the contact area with heat, efficiently absorbing heat and rapidly conducting it along the threaded path. The annularly distributed heat dissipation holes on the heat dissipation sleeve allow air to circulate inside and outside the sleeve. Hot air is discharged from the heat dissipation holes, and cool air is introduced, achieving continuous heat dissipation and maintaining a stable internal temperature of the device.

The utility model is suitable for three -way joint technical field provides a kind of three -way joint, including three -way main body and three joint assemblies, three -way main body front and rear end face is symmetrically provided with connecting hole, and joint assembly includes fixed pipe, connecting pipe, sealing ring and fixed cap, and the one end of sealing ring is provided with conical part, and the outer edge of conical part is contacted with the inner wall of fixed cap;Connecting hole can be completely embedded in counterbore when connecting nut or cap, to complete the hiding of nut or cap, so that the front and rear end face of three -way main body is even, and multiple three -way main bodies can be connected side by side as a whole, and the front and rear end face is closely adhered when side by side connection, reduce the occupied space of three -way joint, suitable for printer internal dense pipeline layout scene;Joint assembly can realize the quick sealing function of three -way joint, improve sealing effect, reduce the operation difficulty, realize the quick and stable connection of ink pipe and three -way joint, ensure the long -term stable operation of ink supply system.

The utility model discloses a novel environment-friendly assembly type steel structure plant beam column connecting structure which comprises an H-shaped cross beam and an H-shaped beam column, and the H-shaped cross beam is installed on the H-shaped beam column through an assembly structure. The utility model relates to the technical field of environment-friendly assembly type steel structures, through the insertion matching of the supporting shaft tube, the H-shaped cross beam and the H-shaped beam column and the expansion and extension of the expansion T-shaped cylindrical shaft rod at the hole, the quick and stable connection of the structure is realized, the installation process is simplified, the working efficiency is improved, and the construction cost is reduced. Meanwhile, the stability and the reliability of the joint are also ensured; in the inserting process, extrusion limiting of the H-shaped cross beam and the H-shaped beam column enables the expansion T-shaped cylindrical shaft rod to contract, when the supporting shaft pipe moves to a hole, the expansion spring enables the supporting shaft pipe to expand and stretch out, automatic adaptation and accurate positioning are achieved, the design can adapt to holes of different sizes and shapes, and connecting flexibility and universality are improved.

The utility model relates to the technical field of road gradient measurement, and discloses a road surface flatness detection device which comprises a shell and a mounting frame, a telescopic rod is fixedly connected to the bottom of the inner wall of the shell, a mounting plate is rotatably connected to the bottom end of the telescopic rod, and a laser range finder is slidably connected to the inner wall of the mounting frame. And a quick mounting mechanism is arranged at the top of the mounting frame, the quick mounting mechanism is used for quickly connecting the mounting frame and the mounting plate, rotating rods are fixedly connected to the front side and the rear side of the outer wall of the mounting plate, and the two rotating rods are slidably connected with the shell. According to the utility model, the angle of the laser range finder can be flexibly adjusted through the rotating connection of the telescopic rod and the mounting plate, the measurement requirements of different road conditions are met, the detection accuracy is improved, and the stability and reliability of the device are enhanced through the sliding connection of the rotating rod and the shell and the clamping and locking mechanism of the gear and the inner gear ring; and the convenience of angle adjustment further improves the working efficiency.

This utility model discloses an anchoring structure for a gantry crane, including a base, a hydraulic anchoring mechanism, an anchor plate clamping mechanism, and a clamping auxiliary mechanism. The hydraulic anchoring mechanism includes a hydraulic cylinder, a support arm, a connecting frame, a rotating frame, a rotating rod, and an anchoring plate. The anchor plate clamping mechanism includes a clamping pipe, a clamping rod, a clamping groove, a transverse rod, a slope plate, a rotating block, and a slope groove. Hydraulic control provides strong support, ensuring the anchoring plate can make tight contact with the ground, thus improving the crane's stability. The clamping pipe, clamping rod, and other structures enable the anchoring plate to connect to the ground quickly and stably, and can be flexibly adjusted under different ground conditions. The design of the clamping mechanism improves the accuracy and efficiency of the clamping process. Components such as threaded rings and directional rings reduce friction between components, ensuring smooth operation of the clamping mechanism and enhancing the durability of the entire anchoring system.

The utility model discloses a kind of electric eddy current sensors based on hot riveting and welding structure, including shell, PCBA board and wiring harness, the shell is provided with the accommodating area compatible with PCBA board;The PCBA board is provided with at least one first riveting portion and several wiring harness welding areas;At least one second riveting portion is provided on the shell corresponding to the first riveting portion on the PCBA board;The PCBA board is placed in the accommodating area on shell, the first riveting portion on the PCBA board and the second riveting portion on the shell form corresponding distribution, and corresponding first riveting portion and second riveting portion are fixedly connected by hot riveting between;The wiring harness is correspondingly distributed and set in the wiring harness welding area on PCBA board, and fixedly connected by welding.This utility model can effectively solve the low assembly efficiency of PCBA board and shell and high product failure rate, improve the production yield of electric eddy current sensor.

The utility model relates to the technical field of frame support, concretely is the light weight anticollision support subassembly of frame assembly, including the support beam of installing in the side surface of longitudinal beam, and the both ends of longitudinal beam are connected with the crossbeam for fixing longitudinal beam, the outer surface of support beam is equipped with through -hole, the upper surface of support beam is equipped with guide slot, in the utility model, the plug -in column is inserted with the side surface of longitudinal beam, ensures that support beam can be connected to the longitudinal beam quickly and firmly, through this mode, the assembly personnel can complete the installation of support beam in short time, lay the foundation for the subsequent fastening work, the guide rod penetrates support beam, plays the guiding role in the installation process, ensures that support beam can move to the predetermined position, through the electric wrench screwing screw column, can adjust the interval between extruding seat and support beam, makes the angle between articulated rod and support beam reduce, namely can make the plug -in column of socket outward slide and complete, complete the quick -mounting of device.

The utility model relates to the technical field of electrical equipment, in particular to a power socket and a double-sided socket module thereof. The double-sided socket module comprises two groups of socket units which are arranged back to back and are fixedly connected, and an L-pole conductive strip and an N-pole conductive strip which are arranged between the two groups of socket units, and the two groups of socket units are each consistently equipped with at least one power taking potential; and when the two groups of socket units are fixedly connected in a back-to-back manner, the contacts in the socket units are conducted with the L-pole conductive strips and the N-pole conductive strips. According to the scheme, on one hand, two groups of socket units opposite to each other can be fixedly connected without a socket shell, and on the other hand, the mounting structure can be simplified.

This utility model relates to the field of agricultural planting monitoring equipment technology, specifically to a soil fertility monitoring pole device for cut flower planting. It includes a soil fertility monitor body and multiple integrated soil sensors. A vertical pole is provided on one side of the soil fertility monitor body. A connecting rod is fixedly installed on the top of the vertical pole. A fixing component is provided at the end of the connecting rod, including a suspension seat fixedly installed on the end of the connecting rod. The suspension seat has a slot, and the front wall of the slot has a locking hole communicating with the outside. A fastening bolt is threaded onto the top plate of the suspension seat. A suspension plate is fixedly installed on the top of the housing of the soil fertility monitor body, and the suspension plate is fitted onto the bottom pole of the suspension seat. A force-bearing plate is fixedly installed on the bottom pole of the vertical pole, and two symmetrical anchor rods are provided inside the force-bearing plate. This utility model facilitates assembly and disassembly, and allows for easy adjustment of its position.

The utility model discloses an anti-drop seepage pipeline quick plug connector, which comprises a male Luer taper and a female Luer taper connected with the male Luer taper in a matching way, the male Luer taper comprises a first male matching part, a first clamping plate, a first holding part and a first pipe joint, the first channel penetrates through the first male matching part, the first clamping plate, the first holding part and the first pipe joint, and the first pipe joint is used for being connected with a pipeline; the female Luer connector comprises a first female matching part, a first clamping part and a second pipe connector, the first female matching part is provided with a first cavity where the first male matching part is inserted, the second pipe connector is provided with a second channel, the second channel is communicated with the first cavity, and the second pipe connector is used for being connected with a pipeline; the first clamping plate and the first clamping part can be connected in a clamped mode so that the male Luer taper and the female Luer taper can be fixedly connected, and the first channel and the second channel can be communicated. According to the technical scheme, the structure is simpler, operation is convenient and fast, the pipeline connection effect is greatly improved, and meanwhile the pollution risk is reduced.

The utility model provides a wound oxygen therapy device, and belongs to the technical field of medical instruments. Comprising an oxygen therapy instrument, the top of the oxygen therapy instrument is fixedly communicated with an air pipe, and the other end of the air pipe is fixedly connected with a pipe head; the clamping assembly is used for fixing the pipe head, and the clamping assembly is connected with the pipe head; and the pre-positioning assembly is used for pre-positioning the air pipe. According to the oxygen therapy device, the clamping assembly, the mounting strip, the oxygen mask and the fixing strip are arranged, so that the clamping assembly can stably fix the tube head, it is ensured that an air tube is not prone to falling off or shifting in the oxygen therapy process, the use safety of the oxygen therapy device is improved, and potential risks caused by misoperation are reduced; the oxygen mask can be tightly attached to the periphery of a wound through the attaching ring, a relatively closed space is formed, oxygen can act on the wound more directly and effectively, the design is beneficial to improving the oxygen therapy effect, and healing of the wound is promoted.

The utility model relates to unmanned plane technical field discloses a wing mounting structure of convenient dismounting, including unmanned plane body and connecting flange, the unmanned plane body connects arm fixed connection connecting flange, the connecting flane outer end face is provided with the butt joint flange, just the connecting flane outer end face fixedly connected with the cylinder card seat, the cylinder card seat outer wall surface sets up the thread, just the cylinder card seat is connected with the limit slide block through the thread, the through slot is set up on the cylinder card seat, and the through slot is provided with the steel ball, the length of through slot is compatible with the diameter of steel ball, just the steel ball whole embedding is in the through slot, and its outer surface does not exceed the notch plane of through slot. The device realizes the quick and stable connection of wing arm assembly and unmanned plane body through structure design, effectively shortens the installation time, improves the work efficiency, and the whole structure is simple and stable, and is easy to implement.

The utility model relates to a kind of fixing structure of distribution box aluminum profile frame, including aluminum beam, pedestal and cooperation seat, pedestal can be fixed on aluminum beam by bolt, one end of cooperation seat can be fixedly connected with the threaded hole opened on aluminum beam, buckle assembly is provided on pedestal, locking assembly is provided on cooperation seat, the utility model, by adopting the structural design of pedestal and cooperation seat, pedestal and cooperation seat are fixed on two aluminum beams respectively first, then by the quick snap-lock function of buckle assembly and locking assembly, pedestal and cooperation seat can be quickly and firmly fixed connection, so as to complete the fixed assembly of two aluminum beams, this process does not need additional supporting operation, reduces the manpower input needed for assembly, improves assembly efficiency, simultaneously reduces the assembly error and security risk caused by human factor;In addition, the connecting mode of this quick snap-lock can also ensure that the connection between aluminum beam is more stable and reliable.

The invention discloses a closestool technology, and aims to provide a closestool cover capable of adjusting three heights, and the technical scheme is characterized in that the closestool cover comprises an upper cover used for covering a seat ring and provided with a structure capable of being fixed with the seat ring; the first height seat ring is provided with a first height and comprises an integrally formed buckle, and the first height seat ring and the second height seat ring can be interchanged and combined through the buckle; the second height seat ring is arranged at a second height and can be overlapped with the first height seat ring or independently used with the first height seat ring; the screw bag comprises a fixing piece with threads, and the fixing piece with the threads can be adjusted to a proper height through rotation; compared with the prior art, according to the toilet lid capable of adjusting the three heights, through independent use or combined use of the first height seat ring and the second height seat ring, the flexible height adjusting function is provided, and the requirements of different users are met; the invention is applicable to the technical field of closestools.

The utility model discloses a high-pressure water mist fire extinguisher convenient to move, which comprises a bottom box, a space adjusting mechanism, a mounting clamping mechanism and a fixing auxiliary mechanism, the space adjusting mechanism comprises a space frame, a rotating shaft, an atomizing pipe, a rotating frame, a support frame, an eccentric disc and a hydraulic cylinder; the installation clamping mechanism comprises a clamping pipe, a clamping rod, a rotating ring, a push-pull rod, an embedded plate, an annular groove and a supporting ring, the space adjusting mechanism can achieve space adjustment of the high-pressure water mist fire extinguisher through cooperation of a hydraulic cylinder and an eccentric disc, the direction and the position of an atomization pipe can be flexibly adjusted, and through the design of the clamping rod, the rotating ring and the push-pull rod, the space adjusting mechanism is convenient to use. The quick and firm connection between the components can be realized, and the stability of each part of the device in the use process can be ensured through the matching of the clamping pipe and the clamping rod.

This utility model discloses a disposable toilet brush assembly, including a brush handle and a brush head receiving box. The brush handle and the outer wall of the brush head receiving box are magnetically connected. Stacked disposable brush heads are arranged inside the brush head receiving box. The brush handle includes a cylindrical body with a clamping component for detachably holding the disposable brush heads. This utility model eliminates the need for an additional brush handle slot, resulting in a compact and aesthetically pleasing overall structure with no unsanitary corners. The connection between the brush handle and brush head is quick and stable, and the disconnection is rapid and thorough. It is convenient to use, highly durable, and has excellent practicality.

The combined kitchen equipment comprises a first cabinet body and a second cabinet body, the first cabinet body is located on one side of the second cabinet body, a heat preservation groove is formed in the surface of the first cabinet body, a heating pipe is fixedly connected to the inner bottom wall of the heat preservation groove, a tray is placed in the heat preservation groove, and a heat preservation cover is placed on the tray. According to the scheme, various core functions of heat preservation, water supply, cutting and matching and the like are integrated, various requirements of daily operation of a kitchen are met in a one-stop mode, a user does not need to dispersedly arrange multiple devices with single functions in the kitchen, disorder of the kitchen space is avoided, the heating pipe in the heat preservation area is matched with the tray and the heat preservation cover, heat preservation of food is accurately achieved, and the heat preservation efficiency is improved. According to the utility model, hot porridge and bread in breakfast and hot dishes in dinner can be kept at a proper temperature at any time and can be enjoyed at any time, and due to the design of the faucet, the chopping board and the like in the cutting area, food materials can be cleaned and cut smoothly and efficiently at one time, so that the cooking efficiency is greatly improved.

The utility model discloses an energy-saving frequency converter wiring terminal installation structure, which comprises a main body, one side of the main body is provided with a plug-in assembly, the plug-in assembly comprises a transverse plate, an end body, a plug-in terminal, a spring groove, an installation spring, a barb piece and a fixing block, the transverse plate is detachably connected to the main body, the end body is fixedly installed at the top of the transverse plate, and the plug-in terminal is arranged in the spring groove. The plugging terminal is plugged at the top of the end body, the spring grooves are formed in the two ends of the plugging terminal, the mounting spring is connected to the spring grooves, the barb piece is connected to one end of the mounting spring, the fixing block is mounted on the plugging terminal, a mounting assembly is arranged on the transverse plate, and the mounting assembly comprises an upper vertical plate, a mounting lug and a mounting hole. The upper vertical plate is connected to the transverse plate, and the mounting lug is fixedly connected to the upper vertical plate, so that the technical problem of tedious operation during replacement or maintenance due to the design that a frequency converter wiring terminal mentioned in the background technology is fixed through a bolt is solved.

The utility model relates to the field of quick connector, relate to a nylon quick connector, the utility model discloses: male connector subassembly, female connector subassembly and nylon pipe, male connector subassembly includes left connector, inner cover and fastening cover, the inside right ladder channel of left connector is equipped with, the inner cover is connected in the inside left connector and is equipped with the clamping slot, the fastening cover is inserted in the inner cover, the nylon pipe is placed in the fastening cover inside and promotes fastening cover to spread out to the outside and is connected in the clamping slot, the nylon pipe connects the left end of right ladder channel, female connector subassembly includes middle cover and right connector, the right end of middle piece cover is inserted in the right end part of right ladder channel and is communicated with the left end part of right ladder channel and sets up, the right connector is covered in the right end of middle cover and is communicated with the inside setting.

The utility model discloses a motor power cable assembly, which belongs to the technical field of cable equipment, and comprises a motor main body and a repeater, the back surface of the motor main body is fixedly connected with a connecting cable, and the two sides of the repeater are provided with connecting grooves. One end of the connecting cable is fixedly connected with a connecting groove, the other end of the connecting cable is fixedly connected with a first connecting plug matched with the connecting groove, the two sides of the upper surface of the repeater are fixedly connected with fixing frames, the upper surface of the first connecting plug is fixedly connected with a clamping assembly, and the lower surface of the repeater is fixedly connected with a connecting plate. According to the utility model, through the arrangement of the clamping assembly, connection loosening or falling caused by vibration or external force impact is effectively prevented, the stability and reliability of the system are improved, the maintenance difficulty and cost are reduced, through the arrangement of the fixing assembly, the cable is prevented from being damaged due to pulling or bending in the long-term use process, and the service life of the cable is prolonged. And the anti-interference capability and the service life of the cable are improved.

The utility model discloses a grouting device for tunnel bridge construction, which comprises a base, a storage hopper is arranged on the base, a discharge pipe is arranged below the storage hopper, a dredging device is arranged below the discharge pipe, one side of the discharge pipe is connected with a connecting device, and the connecting device comprises a connecting pipe, a guide sleeve, an inserting groove, a guide frame, a guide rod, a guide groove, an inserting rod and a conveying pipe. The guide sleeve is arranged on the outer side of the conveying pipe in a sleeving mode, the inserting-connecting groove is formed in the outer side of the connecting pipe, the guide frame is installed in the guide groove, the guide rods are arranged on the inner side of the guide sleeve, the guide groove is located between the two guide rods, the inserting-connecting rod is connected with the guide frame, and a sealing mechanism is arranged on the outer side of the connecting pipe and comprises a push spring, a movable groove, a fixed plate, a sealing plate and a sealing groove. The movable groove is formed in the side wall of the conveying pipe, the sealing plate is arranged on the outer side of the connecting pipe, and the sealing groove is formed in the inner side of the conveying pipe. According to the device, the construction efficiency is improved, the downtime is shortened, and meanwhile the construction quality is guaranteed.

The utility model relates to the technical field of cutting fluid supply and return, in particular to a cutting fluid centralized supply and return system which comprises a lathe, a centralized processing assembly and a standard connecting assembly, the centralized processing assembly is used for pumping out cutting fluid in the lathe, then centrally processing the cutting fluid and pumping the cutting fluid into the lathe again, and the standard connecting assembly is used for forming a cutting fluid circulation loop. The standard connecting assembly comprises a standard connector and a standard connecting pipe, the standard connector is used for connecting the lathe and cutting fluid inlets and outlets of all parts of the centralized processing assembly, a lining ring is arranged at one end of the inner wall of the standard connector, and the standard connecting pipe is used for connecting the standard connector or the other standard connecting pipe. The inner wall of one end of the standard connecting pipe is sleeved with a telescopic connector, and the telescopic connector is matched with the inner wall of the standard connecting pipe. According to the cutting fluid supply and return system, the problem that in an existing cutting fluid supply and return system, all devices cannot be rapidly connected is solved, all the devices can be rapidly connected, and it is ensured that all the connecting positions are stably connected and cannot be disconnected.

The utility model discloses an oral cavity moistening device with pipeline quick mounting structure relates to oral care equipment technical field, the utility model discloses an oral cavity humidification appearance and sets up the water jar on oral cavity humidification appearance, the top intercommunication of water jar is provided with the connecting pipe no.

The utility model relates to a docking station capable of extending peripheral functions of a tablet personal computer, belongs to the field of mobile office handheld terminal equipment, and solves the problem that a docking station of a tablet personal computer in the prior art does not have an application function of extending a tablet personal computer system or software or the connection between the docking station and the tablet personal computer is unstable. The docking station capable of extending the peripheral function of the tablet personal computer comprises a shell, a mainboard unit, a mainboard cavity, an insertion groove and a mainboard bracket, the mainboard bracket is provided with an insertion groove, a data port side of a tablet computer can be inserted into the insertion groove, the mainboard unit is fixed on the mainboard bracket through a screw, and the mainboard cavity accommodates the mainboard unit and the mainboard bracket. According to the docking station, the effect of expanding the application functions of a tablet computer system and software can be achieved, and meanwhile the stability of connection between the docking station and the tablet computer is improved.