933results about How to "Quick assembly" patented technology

The application relates to the technical field of four-axis square boxes, in particular to a zero-point clamp interlocking four-axis square box, positioning convex columns are plugged and connected in clamping holes, positioning grooves are arranged on the side surfaces of the positioning convex columns, adjusting holes are arranged in the central surfaces of shells, and the clamping holes are equidistantly distributed around the adjusting holes; knobs are rotationally connected in the adjusting holes, the knobs extend into the shells and coaxially fix first tooth rings; each clamping hole coaxially matches a synchronous positioning mechanism, the knobs drive the first tooth rings to rotate, the first tooth rings drive the second tooth rings and inner rings to rotate, the pin shafts slide along the spiral guide grooves, the positioning pieces slide to the inner sides of the fixing rings along the sliding grooves, the limiting arc plates are embedded in the limiting grooves, linkage locking of single zero-point clamps and multiple positioning convex columns is realized, and rapid assembly is realized.

The utility model discloses a kind of modularization wallboard systems, it is related to prefabricated wallboard technical field, including multiple specifications wallboard, ceiling beam component, support piece, first connecting piece, second connecting piece and third connecting piece;One end of the support piece is connected with the ceiling beam component, another end of the support piece is connected with ground or the wallboard;The wallboard is connected by first connecting piece between wallboard, the wallboard is connected by second connecting piece between the support piece, the wallboard is connected by third connecting piece with the ground;Multiple specifications wallboard, ceiling beam component and support piece form the enclosure structure of modularization splicing, reduce the dependence of traditional construction in site gradually masonry or multiple temporary process, facilitate on-site quick assembly, help to shorten construction period.

The application relates to the field of assembly building technology and discloses an assembled sound insulation and shock absorption laminated floor slab, which comprises a pouring plate, the outer part of the pouring plate is provided with a cladding structure, the cladding structure comprises a main frame, a side stop, an upper stop rod and a connecting groove, the two upper stop rods are fixedly installed on the side stop, the upper stop rod can be detachably connected with the main frame and forms a box body structure to cladding the pouring plate, a connecting groove is arranged on one side of the main frame, and a protrusion is fixedly arranged on the other side of the main frame; and a cushion block assembly, the pouring plate is assembled with the main frame, the side stop and the upper stop rod at a construction site after being prefabricated in a factory, the modular design makes the components separable for transportation, the size and weight of a transportation unit are greatly reduced, the transportation cost and hoisting difficulty are reduced, the on-site assembly is flexible, the size deviation of the actual installation position can be fine-tuned, and the adaptability is high.

The dust recovery device for the refractory material crushing equipment comprises a crushing box, supporting legs are symmetrically and fixedly connected to the two sides of the bottom of the crushing box, discharging pipes are symmetrically inlaid in the lower inner portion of the crushing box, and sealing blocks are connected to the inner sides of the bottoms of the discharging pipes in an inserted mode; a recycling mechanism is arranged on one side of the bottom of the smashing box, and a sealing assembly is arranged in the recycling mechanism. Wherein the recycling mechanism comprises a recycling box arranged on one side of the bottom of the crushing box, and an annular plate is fixedly connected to the bottom of the crushing box, so that dust generated during discharging of the refractory material can be quickly sucked, and the effect of effectively purifying the air quality of a working area can be achieved; and therefore, the problem that workers suck dust by mistake and hurt the body can be effectively avoided, the refractory material crushing and recycling efficiency is greatly improved, and convenience is brought to the workers during use.

The invention relates to the technical field of elevators, and discloses an elevator car interior protection structure based on multi-dimensional buffering, which comprises four groups of first splicing devices, two groups of second splicing plates and eight groups of third splicing plates, the first splicing devices comprise a plurality of groups of first splicing plates, and connecting grooves are formed in the front and rear sides of the plurality of groups of first splicing plates; a first hinge is arranged in a connecting groove of the first splicing plate, a plurality of sets of first connecting devices are connected between the second splicing plates and the third splicing plates, the first splicing devices, the two sets of second splicing plates, the eight sets of third splicing plates and the first connecting devices are matched with screw blocks, so that the device can be quickly assembled; and meanwhile, field processing is not needed, the upper side of the second splicing plate on the front side is movably connected with a turning plate, the device does not need to be fixed to the inner wall of an elevator car after being installed, therefore, rigid connection with an elevator is not needed, and the installation speed and efficiency of the device are improved through the method.

The application relates to the technical field of eyeglass frames, in particular to a clamping type eyeglass frame which comprises a front frame assembly, a temple assembly and a clamping locking assembly. The front frame assembly is provided with a mounting groove, the temple assembly is quickly assembled by being matched with the limiting groove through an elastic buckle, the guide block and the limiting groove ensure accurate positioning, and the reset spring and the unlocking button realize a quick disassembly function. The positioning column and the positioning hole are matched to enhance the connection stability, and the annular groove and the elastic protrusion provide a anti-disengagement function. The application can simplify the assembly process, improve the structural stability, meet the modular design requirement, facilitate users to replace the temples or maintain, meanwhile, the traditional structure loosening problem is avoided, and the use reliability is improved.

A portable, detachable animal transport cage includes a base plate, side plates, door panels, a cover plate, and handles. The base plate and cover plate are identical in structure, as are the two side plates and the two door panels. Rollers are mounted on the lower part of the base plate, and recessed grooves are formed on both sides of the upper part of the base plate. Cylindrical protrusions are formed on the upper and lower sides of the side plates, and trapezoidal protrusions are formed on the left and right sides of the side plates. Rubber pads are mounted on the rollers mounted on the lower part of the base plate to increase the stability of the transport cage. The cylindrical protrusions on both sides of the side plates engage with the recessed grooves on the upper part of the base plate. Inverted trapezoidal grooves are formed on both sides of the door panels, which interlock with the trapezoidal protrusions on both sides of the side plates to securely connect the side plates and door panels together without displacement. The handles can be installed on either side of the base plate or the cover plate.

The utility model belongs to the technical field of household seats, and particularly relates to a backrest dismounting and mounting structure and a seat. The backrest dismounting and mounting structure comprises a mounting piece, a mounting base, a reset spring and a locking pin. Wherein the reset spring is provided with a fixed end far away from the mounting base and a deformation end close to the mounting base, and the rebound direction of the reset spring is staggered with the mounting direction of the mounting piece; the locking pin is connected with the deformation end and moves in the compression direction and the rebound direction of the reset spring. A locking groove is formed in the mounting piece; during installation, the reset spring is compressed firstly, the reset spring rebounds after the locking groove moves to the motion trail of the locking pin, the locking pin is pushed into the locking groove by the reset spring, and locking is completed. The locking pin is further provided with a first limiting part for limiting the locking groove to move in the direction opposite to the installation direction, and the installed installation piece is prevented from retreating from the installation base. According to the utility model, the seat can be quickly assembled without the assistance of a toolkit, and the assembly is simple and convenient.

This utility model relates to a self-cleaning air inlet protection device and an air handling unit, including a main body assembly and a self-cleaning assembly. The main body assembly includes a first connecting member, a second connecting member, and a protective net. Both the first and second connecting members are cylindrical and connected by a snap-fit ​​structure. The protective net is hemispherical and connects to the second connecting assembly. The self-cleaning assembly includes multiple support rods, a drive shaft, an impeller, and a cleaning brush. The impeller drives the cleaning brush via the drive shaft to clean the convex surface of the protective net. This utility model's self-cleaning air inlet protection device can prevent debris from adhering and is easy to install and disassemble.

The utility model relates to the technical field of air conditioners, and provides a support structure and a multi-split air conditioner system.The support structure comprises a chassis and a support assembly, the support assembly is arranged on the chassis and provided with a first installation position and a second installation position adjacent to the first installation position, and the first installation position is used for installing an oil separator; the second mounting position is used for mounting an electromagnetic valve. According to the support structure provided by the utility model, the first mounting position for mounting the oil separator and the second mounting position for mounting the electromagnetic valve are designed on the support assembly, so that the integrated design of the oil separator and the electromagnetic valve on the support assembly is realized; the bracket structure integrated with the oil separator and the electromagnetic valve can realize quick assembly in the multi-split air conditioner, so that the production efficiency is improved.

This application relates to a modular enclosure structure for prefabricated green buildings, belonging to the field of green building technology. It includes an enclosure component assembled from multiple enclosure panels. A ventilation component is installed through the enclosure component, comprising a mounting frame, a blade shaft rotatably mounted inside the mounting frame, and multiple sets of louvers fixedly mounted on the outside of the blade shaft. The enclosure component contains a drive component for opening and closing the louvers. This application achieves adaptive temperature adjustment of the enclosure structure by setting a linkage mechanism between the louvers driven by shape memory alloy springs and the photovoltaic panels. At high temperatures, the louvers automatically open for ventilation and the photovoltaic panels flip to increase power generation and shading area. At low temperatures, the louvers automatically close for insulation and the photovoltaic panels reset. The entire adjustment process requires no external power supply, no sensors, and no manual operation, thus improving the ease of use of the device to a certain extent.

The utility model relates to the field of assembling of bucket elevators and grain dryers, in particular to a self-locking clamping butt-joint fixing device which comprises a lock hook assembly arranged on a bucket elevator barrel, the lock hook assembly comprises a pull plate rotationally connected with the bucket elevator barrel, and a pull rope and a clamping hook are arranged at the two ends of the pull plate respectively; the locking arm assembly is arranged on the grain dryer barrel, and the locking arm assembly is provided with a clamping groove matched with the clamping hook; the clamping hook of the lock hook assembly can be correspondingly clamped in the clamping groove of the lock arm assembly so that the bucket elevator can be fixedly locked to the grain dryer, and the clamping hook can be separated from the clamping groove by pulling the pull rope so that locking between the clamping hook and the clamping groove can be relieved. No special climbing equipment is needed, the bucket elevator can be quickly locked to the grain drying machine, and meanwhile locking between the bucket elevator and the grain drying machine can be quickly relieved.

The utility model relates to a quick-change type waist bag hanging buckle which comprises a hanging seat and a hanging piece, a penetrating hole is formed in the hanging seat, a U-shaped clamping seat is arranged on the outer side face of the hanging seat, inserting grooves are formed in the inner walls of the two sides of the clamping seat, the hanging piece comprises a base plate, a clamping block is arranged on the base plate, and clamping strips are arranged on the two sides of the clamping block respectively. The two clamping strips are inserted into the inserting grooves in a one-to-one correspondence mode, the hanging piece is provided with a locking piece and a reed driving the locking piece to partially stretch out of the hanging piece, and the hanging base is provided with a clamping groove matched with the locking piece. And meanwhile, the hanging seat and the hanging piece are locked by adopting the locking piece, so that the safety and reliability of the waist bag after assembly are improved.

The utility model relates to window cleaning robot technical field, concretely is a kind of window cleaning robot suitable for frameless glass, it includes: window cleaning robot main body, the bottom surface of window cleaning robot main body is provided with drive track, the bottom surface of window cleaning robot main body is bonded with magic tape;The bottom surface of window cleaning robot main body is provided with recess, the inner wall of recess is bonded with first magnetic block;Cleaning structure is installed on the window cleaning robot main body, and the cleaning structure includes cleaning cloth.The utility model is by the surface of cleaning cloth is sewn cloth cover, and the inboard of cloth cover is provided with second magnetic block, second magnetic block can be connected with the first magnetic block of the bottom surface of window cleaning robot main body magnetic attraction, second magnetic block cooperates first magnetic block, can provide guide to the installation of cleaning cloth on the bottom surface of window cleaning robot main body, so that cleaning cloth can be accurately aligned with magic tape, facilitate the central installation of cleaning cloth on the bottom surface of window cleaning robot main body, improve the practicability of device.

The utility model discloses a modular fast assembly heating and ventilation pipeline connecting structure which comprises a first pipeline supporting assembly and a second pipeline supporting assembly which are symmetrically arranged, and the first pipeline supporting assembly is detachably connected with the second pipeline supporting assembly through a connecting plate. The first fixing ring and the second fixing ring of the pipeline supporting ring which are symmetrically designed and a butterfly nut locking structure are adopted, welding or complex tools are not needed, rapid mounting and dismounting of the heating and ventilation pipeline can be achieved, the construction efficiency is greatly improved, and the pipeline supporting ring is particularly suitable for occasions needing frequent adjustment or maintenance. According to the pipeline supporting ring, the first fixing ring and the second fixing ring which are symmetrically designed and a butterfly nut locking structure are adopted, welding or complex tools are not needed, rapid mounting and dismounting of a heating and ventilation pipeline can be achieved, construction efficiency is greatly improved, and the pipeline supporting ring is particularly suitable for occasions needing frequent adjustment or maintenance.

The application discloses a damping gimbal mounting device for unmanned aerial vehicle surveying, and belongs to the field of unmanned aerial vehicle equipment. The gimbal mounting device comprises a damping support, a gimbal main body connected with the damping support, and a connecting mechanism for fixing and mounting the gimbal main body on the damping support. The connecting mechanism comprises a fixed sleeve penetrating through the bottom of the damping support and fixedly connected with the top of the damping support, a plug sleeve inserted into the bottom of the fixed sleeve and fixedly connected with the gimbal main body, a first arc-shaped plate fixedly connected with the upper end side of the plug sleeve, and an arc-shaped groove provided in the fixed sleeve and adapted to the first arc-shaped plate. The convex surface of the first arc-shaped plate is outwardly arranged. Through the design of the elastic component, the first arc-shaped plate can be provided with continuous outward force, so that the convex surface of the first arc-shaped plate is always closely attached to the inner wall of the arc-shaped groove, the first arc-shaped plate is prevented from being separated from the arc-shaped groove due to the flight vibration of the unmanned aerial vehicle, and the long-term stability of the connecting mechanism is ensured.

The utility model discloses a kind of experimental bench assembly structure, more particularly to laboratory appliance field, including mounting plate and the connecting plate being set between mounting plate, it is characterized in that, the connecting plate is divided into plane connecting plate and right-angle connecting plate, plane connecting plate and right-angle connecting plate inside are provided with telescopic mechanism, the slide groove is opened in mounting plate side wall, and the telescopic mechanism is clamped in slide groove inside, the utility model is connected by connecting plate with two groups of mounting plate each other, wherein, by knob drive screw rod rotation, since screw rod is connected with movable rod screw, in screw rod rotation drive movable rod horizontal activity, to drive push plate activity, by push plate and drive batten to the outside activity of connecting plate, to connect connecting plate with mounting plate, simultaneously, by plane connecting plate and vertical connecting plate to mounting plate are assembled.

The invention discloses a tendon-rope-driven dexterous hand finger for metacarpophalangeal joint movement decoupling. A flexion and extension rotating joint and a side-sway rotating joint of the tendon-rope-driven dexterous hand finger are both of a bidirectional rotating structure controlled by a rope driver; the side-sway rotating joint is of a rolling meshing structure formed by two toothed plate components, rope guide wheels are arranged on the two toothed plate components, the two rope guide wheels are used for guiding and outputting a flexion and extension driving rope of the flexion and extension rotating joint and a side-sway driving rope of the side-sway rotating joint, and the winding directions of the flexion and extension driving rope on the two rope guide wheels are opposite. The two free ends of the side-sway driving rope are guided by the rope guide wheels to be arranged in a staggered mode. After the scheme is adopted, a transmission link capable of realizing side-sway motion and flexion-extension motion is decoupled, so that the effective length change of the flexion-extension driving rope caused by the side-sway motion is completely compensated geometrically, and the effective length of the flexion-extension link is kept constant at any side-sway angle; and the action stability and the repeated positioning performance of the fingers of the dexterous hand under the multi-posture and multi-load conditions are improved.

The utility model discloses a clamp for reserving furniture leg mounting position, including outer frame positioning device, outer frame positioning device includes the base plate, and a plurality of outer push subassembly is arranged to the both sides of base plate symmetry, and outer push subassembly includes the connecting plate of fixed setting on the base plate and the push rod device of fixed setting on the connecting plate, and push rod device includes the free end, and is provided with the locating clamping block at the free end, the inner support positioning device includes the inner support frame, and is provided with a plurality of inner support blocks of corresponding locating clamping block on the inner support frame. This scheme can improve furniture automation assembly's efficiency and precision, reduce manual intervention and cost investment, and further guarantee furniture assembly's quality and user experience.

The utility model discloses a kind of crab transport live box, comprising: storage box, the top of storage box is provided with lid, the bottom of lid is provided with the component of being put, the component of being put is used to cooperate storage box and form the storage of live crab;Two support frames, two support frames are respectively fixedly connected in the two sides of the bottom of lid, the both ends of support frame inside are rotatably connected with locking rod, the both ends of support frame and the two sides of storage box are provided with lock assembly, lock assembly is used to cooperate locking rod and form the positioning of lid, the component of being put includes: vertical plate, vertical plate is fixedly connected in the middle of the bottom of lid, the both sides of vertical plate are fixedly connected with multiple support plates, linear sliding slot is set in the middle of each support plate, the utility model relates to crab transport technical field;The utility model cooperates with the structure of the component of being put, can reasonably plan the storage space inside storage box before live crab storage, avoid live crab stacking, effectively guarantee the activity of bottom layer live crab.

The utility model relates to a wall surface metal plate mounting system which comprises a keel assembly fixed to a wall surface, the side, away from the wall surface, of the keel assembly is a mounting surface, a plurality of clamping pieces are arranged on the mounting surface, the side, away from the mounting surface, of each clamping piece is provided with a clamping groove penetrating in the vertical direction, all the clamping pieces are divided into a plurality of sets, and all the sets are arranged in the horizontal direction. The clamping pieces in the sets are sequentially arranged in the vertical direction, the clamping grooves of the clamping pieces in the sets are combined to form an assembly interval, a clamping structure matched with the assembly interval is arranged on one side of the metal plate, the extending direction of the clamping structure is consistent with that of the clamping grooves, the clamping structure is clamped in the assembly interval in a vertical inserting mode during installation, and therefore rapid positioning and stable fixing are achieved. According to the wall surface metal plate installation system, due to the fact that the clamping piece grouping arrangement and clamping assembly structure is adopted, the problems that in a traditional installation mode, abutted seams are rough, construction is complex, and gluing treatment is needed are effectively solved, and then the technical effects that metal plates are rapidly assembled, tight in splicing, attractive in appearance and suitable for standardized industrial construction are achieved.

The utility model relates to the technical field of water faucet, concretely relates to a bathroom faucet convenient to assemble, technical solution main points include valve body, valve core subassembly, end cover and handle, the hot water flow channel, cold water flow channel, water outlet flow channel and installation groove are arranged in the valve body, the tank bottom of installation groove sets up hot water hole, cold water hole and water outlet hole, the isolation department is arranged in the valve body, the isolation department is symmetrically arranged two and separates hot water and cold water, two isolation departments form the hook groove area, the canyon area, hot water hole, cold water hole are in the hook groove area, and water outlet hole is in the canyon area, and at least two positioning grooves are arranged on the tank bottom, the positioning column of two with the positioning groove insertion is arranged on the valve core subassembly, makes the water pass hole of valve core subassembly and hot water hole, cold water hole and water outlet hole mutually coincide. The utility model realizes reliable convenient assembly through above -mentioned structure.

The utility model relates to the technical field of assembly equipment, and provides a pin piece outer chain piece downward pressing assembly device which comprises a rack, a main bottom plate fixedly installed on the upper portion of the rack, a main material channel arranged on the upper portion of the main bottom plate in an upward protruding mode, and an installation groove formed in the top of the main material channel and used for containing a chain. A pneumatic displacement assembly for driving the positioning plate to slide leftwards or rightwards is arranged at the bottom of the positioning plate and comprises a thrust cylinder and a buffer, the thrust cylinder is arranged on the edge of the upper portion of the main bottom plate, the buffer is arranged on the side wall of the baffle, one end of the buffer is fixedly connected with the baffle, and the other end of the buffer is fixedly connected with the positioning plate. Under the thrust action of the buffer, the side wall of the connecting plate abuts against the push shaft in the thrust air cylinder all the time. The outer chain piece assembling device is easy to operate, can quickly assemble outer chain pieces, and does not need to be manually assembled through tools.

The utility model provides a kind of double DC plug-in connection line with buffer protection and concentricity limit, including plug-in male head, plug-in female head and wiring, the plug-in male head has copper needle with one side wiring electrically conductive, the plug-in female head has with copper needle cooperation and with the other side wiring conduction slot, it is characterized in that, the plug-in male head and plug-in female head all include: hard inner core, by one injection molding;Soft shell, by secondary injection molding in hard inner core outside;Wherein, the hard inner core and wiring and copper needle or wiring and slot are integrally formed.The utility model forms the double-layer structure of different internal and external hardness with twice injection molding, ensure structure rigidity and copper needle concentricity by hard inner core, and provide buffer protection, comfortable touch and convenient assembly by soft shell, rigidly combined to improve product comprehensive performance.

This invention relates to the technical field of soil and water conservation equipment, and discloses a filter layer device for drainage holes in retaining walls in seasonally frozen soil areas of plateau regions. The device includes a partition plate 1 with several water outlet holes 1 on its surface. A partition plate 2 is located on the side of the partition plate 1, with several water outlet holes 2 on its surface. A partition plate 3 is located on the side of the partition plate 2 away from the partition plate 1, with several water outlet holes 3 evenly spaced on its surface. A partition plate 4 is located on the side of the partition plate 3 away from the partition plate 2. The partition plates 1, 2, 3, and 4 are all fixedly connected by side plates. By using perforated partitions, the installation position does not need to be readjusted before backfilling the retaining wall after on-site assembly. The backfill soil is less prone to deformation and damage during compaction. The filter layer construction combines perforated partitions with filter media in the filter box, effectively filtering soil carried in the water and improving soil protection, thus preventing soil and water loss.

The utility model discloses an ecological self -repairing assembled retaining wall, including cast -in -place pad, prefabricated vertical board and prefabricated backboard, the slope of prefabricated vertical board supports prefabricated backboard, prefabricated vertical board bottom is equipped with toe and hind toe, still include prefabricated toe board and post -cast heel board, prefabricated toe board is fixed with cast -in -place pad, the hind part of prefabricated toe board is equipped with a plurality of toe grooves, and the toe of prefabricated vertical board is inserted in toe groove, and post -cast heel board is used for with prefabricated vertical board's bottom and hind toe pouring fixed. Advantages lie in, adopt prefabricated toe board to be used for with prefabricated vertical board bottom toe cooperation preliminary fixed prefabricated vertical board, and then through the pouring of post -cast heel board makes prefabricated vertical board and cast -in -place pad and post -cast heel board form an organic whole, and the overallity is strong and the structure is stable.

The application provides an immersed liquid cooling system and a container data center. The liquid cooling system comprises a container module and heat exchange modules arranged at both sides of the container module along the width direction of the container module. The container module comprises a box body, immersed units and cabinets. Two cold liquid interfaces and two hot liquid interfaces are arranged at the two end regions of each side plate of the box body. A pedestrian passage is arranged in the box body. The immersed units are arranged at both sides of the pedestrian passage. Each immersed unit comprises two liquid cooling pumps and two liquid cooling tanks arranged in an up-down manner. The cabinets are arranged between the two groups of immersed units on the same side. The heat exchange module comprises two groups of heat exchange units arranged along the length direction. The four immersed units and the four heat exchange units form corresponding unit groups and are connected by an outer pipe. The space utilization of the container is improved, the heat dissipation of a larger number of servers is simultaneously realized, and the transportation and on-site assembly are facilitated.

The utility model discloses a novel automobile charging seat drainage nozzle connecting device, including quick joint and drainage nozzle joint, the drainage nozzle joint is inclinedly connected in the bottom of quick joint, when quick joint horizontal direction is established, the projection angle of the central axis of drainage nozzle joint and quick joint central axis on vertical plane is -30 degrees, the projection angle of the central axis of drainage nozzle joint and quick joint central axis on horizontal plane is 15 degrees or -15 degrees, the top of quick joint is formed with the clamping slot, the inside of clamping slot is formed with the drainage groove, the inner chamber of drainage groove is linked together with drainage nozzle joint inner chamber, the inner wall of clamping slot is equipped with the buckle structure symmetrically, the rubber pad with drainage hole is located in the clamping slot, the rubber pad is laid on the brim of drainage groove 4, and the drainage hole is linked together with the drainage groove. The utility model discloses simple structure, and it is easy to operate, improves the stability of connection and production efficiency, ensures that the drainage is smooth and efficient, and reduces the water accumulation residual.

This utility model relates to a two-stage manhole cover for gas valve wells, comprising a cover body including a primary manhole cover and a secondary manhole cover. The primary manhole cover is horizontally positioned with a through hole in its center; the secondary manhole cover is horizontally positioned on top of the primary manhole cover and covers the through hole. The advantages of this utility model are its simple structure, reasonable design, and the modular design of the manhole cover, which facilitates operation. It solves the problem of high labor intensity when opening and closing gas valve wells, reduces the frequency of handling and moving heavy manhole covers, thereby protecting the worker's health and improving the efficiency of gas well inspection and daily operation.

The utility model provides a loudspeaker structure based on vibration sound transmission, which relates to the technical field of electroacoustic conversion devices, and comprises an upper cover assembly, a voice coil assembly, a magnetic circuit assembly and a lower cover assembly, and the surface of the upper cover assembly is provided with a heat dissipation hole I, a positioning hole and a fixing hole. According to the utility model, the magnetic circuit assembly and the voice coil assembly which are modularly designed are matched, an innovative structure that the voice coil is fixed and the magnetic circuit is movable is adopted, an electric signal is directly converted into mechanical vibration to be conducted to a human body, effective conversion from a sound signal to somatosensory vibration is realized, and the limitation that a traditional loudspeaker can only transmit sound waves through air is overcome; the heat dissipation holes and the ventilation grooves arranged in the upper and lower cover assemblies form convection heat dissipation channels, the heat conduction performance of the metal heat dissipation fins is matched, the heat dissipation problem during working of the vibration horn is effectively solved, long-time stable operation of equipment is guaranteed, meanwhile, the elastic supporting structure of the elastic pieces is utilized, vibration loss is reduced, and vibration conduction efficiency is improved.