516results about How to "Achieve installation" patented technology

The utility model provides civil aviation security video monitoring equipment convenient to install, which belongs to the technical field of monitoring equipment and comprises an installation seat, a connecting assembly is fixedly installed in the center of the upper surface of the installation seat, a stand column is installed on the connecting assembly, and a camera body is installed at the top of the stand column through an installation assembly. According to the utility model, through the arrangement of the connecting assembly, when the camera body is installed, the installation seat is fixedly installed at the position where the camera body needs to be installed, then the locking bolt is screwed upwards, the locking bolt drives the limiting block to move upwards, then the stand column is grabbed and lifted upwards, and the pin shaft on the stand column slides upwards along the sliding groove, so that the camera body is installed. The vertical column is rotated along the direction of the open slot through the pin shaft until the horizontal height of the bottom of the vertical column is equal to the horizontal height of the bottom of the open slot, so that the vertical column is positioned in the open slot in an inclined manner, and then the camera body is mounted at the bottom of the vertical column through the mounting assembly; and the camera body can be installed at a high position without climbing.

The utility model relates to the field of motor shell processing, in particular to welding equipment for motor shell processing, which is characterized in that a mounting part is rotatably arranged on a base through a motor component, a circular supporting seat is mounted on the mounting part, and a welding component and a positioning component are respectively arranged on two sides of the circular supporting seat on the base; a mounting cavity corresponding to the mounting part is adaptively formed in the bottom of the circular supporting seat, a rotating column is rotationally arranged in the circular supporting seat, clamping columns are movably arranged on the two sides of the rotating column, and clamping cavities corresponding to the clamping columns are adaptively formed in the mounting part. According to the motor shell welding device, welding of the motor shell can be achieved through adaptive arrangement of the round supporting base, the welding assembly and the positioning assembly, and fixed installation of the round supporting base can be achieved through mutual clamping arrangement of the installation piece and the installation cavity and matching of locking between the clamping column and the clamping cavity; the assembling mode of the circular supporting seat is simple and convenient, so that the flexibility of the device is improved.

This utility model discloses a pulping device for preparing earthworm extract, relating to the field of pharmaceutical engineering. It includes a tank, with connecting boxes fixedly connected to both sides of the tank. An electric push rod is installed inside the connecting boxes, and a moving block is fixedly connected to the upper end of the electric push rod. Slider blocks are fixedly connected to both sides of the moving block, and ball bearings are installed inside the sliders. A connecting rod is fixedly connected to the upper end of the sliders. The advantages of this utility model are: the electric push rod, moving block, slider, scraper ring, and sliding rod enable the scraper ring to circulate and reciprocate within the tank, thereby promptly scraping away the earthworm raw material adhering to the inner wall, ensuring it returns to the pulping area for further pulverization, and improving the uniformity of pulping; the short rod, retaining ring, spring, limiting rod, and short block enable quick loading and unloading of the filter plate, facilitating maintenance during long-term use and reducing maintenance difficulty.

The utility model relates to tool dismounting technical field, concretely relates to a cam locking structure, including tool head and lock axle, eccentric wheel has on lock axle, the locking groove that tool head has is inserted for eccentric wheel, the maximum size of locking groove in the up and down direction is adapted with the outside diameter of eccentric wheel, the minimum size of locking groove in horizontal direction is greater than the rotating diameter of eccentric wheel, eccentric wheel has the unlocking position of pushing locking groove upside and the locking position of pushing locking groove downside to push out / tighten tool head, through setting locking groove in the connecting section of tool head, when lock axle rotates, tool head can move up and down along with the rotation of eccentric wheel, in the process that eccentric wheel rotates to locking position, eccentric wheel pushes down the second plane of locking groove to make tool head be pulled down, in the process that eccentric wheel rotates to unlocking position, eccentric wheel pushes up the first plane of locking groove to make tool head be pushed up, have realized the installation and dismounting of tool head, improved the operation convenience, can improve work efficiency.

The application relates to a multi-axis mechanical arm-based electrostatic protection test system, and relates to the field of electrostatic discharge test, which comprises a workbench, a fixing device, a discharge device, a grabbing device, a detection device and a gun head replacing device; the grabbing device moves the electronic equipment to the fixing device, and the fixing device clamps the electronic equipment; the detection device is used for detecting the electronic equipment; the discharge device comprises an electrostatic gun driving assembly and an electrostatic gun, the electrostatic gun driving assembly drives the electrostatic gun to move, and the electrostatic gun moves to the position of the electronic equipment to discharge; the gun head replacing device comprises a replacing support frame, a replacing driving piece and a plurality of gun head placing seats; when the electrostatic gun abuts against the inner wall of the gun head placing seat, the replacing driving piece drives the gun head placing seat to rotate, so that the gun head of the electrostatic gun is taken off or installed. The application has the effect of improving the detection efficiency of the electronic equipment.

The present specification provides a lock catch assembly and an electronic device, and relates to the technical field of machinery. The lock catch assembly comprises a bracket, a through hole is formed on one side edge of the bracket, and the bracket is fixed to a module device; a rotating rod is slidably arranged in the through hole and is limited in the bracket, and a lock piece that rotates integrally is arranged on the rotating rod; a reset torsion spring is sleeved between the head of the rotating rod and the bracket, and drives the reset rotation of the rotating rod; a limiting mechanism is arranged on the rotating rod and the bracket respectively; when the rotating rod is moved to a first position under the action of the reset torsion spring, the lock piece protrudes out of the bracket, cooperates with a locking hole of a receiving module to lock the module device; when the rotating rod is moved to a second position, the lock piece is retracted into the bracket, and the receiving module and the module device are unlocked; the reset torsion spring is compressed, and the limiting mechanism limits the rotation of the rotating rod. Through the above structure, the maintenance efficiency of the module device can be improved.

The utility model discloses a coking anti-blocking mechanism for a second-line distillation outlet of reduced pressure distillation, and particularly relates to the technical field of distillation kettles, the coking anti-blocking mechanism comprises a distillation kettle, a first distillation port and a second distillation port are respectively arranged on the distillation kettle, and a mounting groove is arranged in the second distillation port. A plurality of heating pieces which are arranged in a linear array are arranged in the mounting groove, an outlet pipe is arranged on the second distillation opening, and a plurality of guide grooves which are arranged in a linear array are formed in the outlet pipe. According to the distillation kettle provided by the utility model, exhaust and liquid discharge are realized through the first distillation port and the second distillation port on the distillation kettle, installation of a plurality of heating elements is realized through the installation groove of the second distillation port, liquid discharge is realized through the outlet pipe on the second distillation port, and liquid is guided through a plurality of guide grooves on the outlet pipe; the liquid flow rate is increased.

The utility model discloses an automobile sensor protection device, and relates to the technical field of protection devices. The automobile sensor protection device comprises a sensor body, a filter screen, a first protection shell and a second protection shell, a sleeve is fixedly arranged at one end of the sensor body, embedding grooves are formed in the two sides of the filter screen, a limiting mechanism is arranged on the surface of the sleeve, and the first protection shell and the second protection shell are arranged in the limiting mechanism. And connecting mechanisms are arranged on the surfaces of the first protective shell and the second protective shell. According to the utility model, the first protective shell and the second protective shell can be quickly connected through the connecting mechanism, so that the first protective shell and the second protective shell are locked, the device can realize convenient disassembly and assembly of the first protective shell, the second protective shell and the filter screen, and a disassembly and assembly tool is not needed in the disassembly and assembly process, so that the working efficiency is improved; and the sensor main body can be prevented from being damaged when a dismounting tool is used, so that the protection of the sensor main body is realized.

The utility model relates to water pump technical field especially a water pump vane jounce qualified detection device, including the support plate who sets up vertically and has the through -hole, the support plate first side rotationally connected with the support ring of axis horizontal setting, a plurality of positioning pins are fixedly connected to the support ring circumference side, the positioning pin axis horizontal setting and position with assembly hole correspond, a plurality of pressing plates are installed to the support plate first side, the pressing plate can produce the clamping force of the ear part to the second side direction. The device is through the rotation installation support ring and a plurality of positioning pins in the support plate first side, and after positioning with the positioning pin is completed, only need to rotate the support ring to make the ear part to be clamped in the inside of the pressing plate and carry out clamping or far from the pressing plate and carry out the dismounting, make pump main casing can realize the positioning installation quickly, avoided the cumbersome operation of frequent plug -in and plug -out positioning pin in traditional detection device.

The utility model provides an assembly type integrated framework for buildings, which relates to the technical field of assembly type buildings and comprises a plurality of adjustable framework components connected with a base component. The adjustable frame assembly comprises a top frame, a plurality of homocentric-square-shaped transverse frames and a plurality of connecting shafts, the top frame is connected with an upper guide rod, the upper guide rod penetrates through the symmetrical upper sliding blocks, and the two ends of a homocentric-square-shaped groove of each homocentric-square-shaped transverse frame are connected with transverse shafts respectively; each transverse shaft is rotationally connected with one of two sets of symmetrical connecting rods, the centers of the symmetrical connecting rods in each set are coaxially and rotationally connected in a crossed mode, and each connecting shaft is rotationally connected with one end of the corresponding connecting rod. Aiming at the defects in the prior art, the fabricated integrated frame for the building is developed and can meet different building requirements, the construction efficiency is improved, the construction cost is reduced, and meanwhile, the safety and the stability in the using process are ensured.

This application provides a method for installing an extra-large drainage system, comprising the following steps: S1. Arranging a sliding device along the installation axis inside the extra-large concrete pipe, and setting a lifting device on the sliding device; S2. Sliding x extra-large drainage systems sequentially to their corresponding positions on the sliding device using the lifting device, controlling the distance between two adjacent extra-large drainage systems to be a, where a is less than b; S3. Continuing to assemble the remaining (n-x) extra-large drainage systems, but controlling the distance between two adjacent extra-large drainage systems to be b; S4. Sliding the second to nth extra-large drainage systems together until the distance between the second and first extra-large drainage systems is b; repeating the above sliding process until the distance between the xth to (x-1th)th extra-large drainage systems is b, thus completing the installation of the extra-large drainage system. This application solves the problem of interference between lifting machinery and pipe cavities due to limited space, and realizes the installation of extra-large drainage systems in confined spaces.

A peeler with a replaceable blade comprises a shell, the blade and an opening and closing piece, a connecting hole and a connecting groove are formed in the shell, an opening is formed in the connecting groove, connecting shafts are arranged on the left side and the right side of the blade respectively, the connecting shaft on one side of the blade is inserted into the connecting hole, and the connecting shaft on the other side of the blade is installed on the connecting groove from the opening of the connecting groove. The opening and closing piece is rotatably arranged on the shell, the position of the opening and closing piece corresponds to the position of the opening of the connecting groove, and the opening of the connecting groove can be closed and opened by rotating the opening and closing piece. According to the utility model, through the matching of the connecting groove and the opening and closing piece, a user can quickly open or close the opening of the connecting groove only by rotating the opening and closing piece, so that the disassembly and assembly of the blade can be realized, auxiliary tools are not needed, the structure is simple, the operation is convenient, and the quick replacement of the blade can be realized.

The invention discloses an extra-high voltage transformer side column folding screen installation structure and an installation method thereof. The installation structure comprises a side column folding screen body used for an extra-high voltage transformer side column. The side column folding screen body comprises a folding screen paperboard and a contraction band; two groups of folding screen paperboards are arranged, and a side column folding screen is formed between the two groups of folding screen paperboards; and the plurality of contraction bands are arranged on the two folding screen paperboards in a sleeving manner. According to the side column folding screen mounting structure for the extra-high voltage transformer, the iron core center and the lower end position of the folding screen paperboard are marked on the iron core pulling plate through a four-point overlapping method; center lines are marked at two ends of the folding screen paperboard; the positions of the supporting strips are marked on the folding screen paperboard; the positions of the contraction bands are marked on the outer side paperboards of the folding screen paperboards, the side column folding screen bodies are aligned when installed, and then installation of the side column folding screen bodies can be achieved.

The utility model discloses a connecting piece for quickly installing a relay, and belongs to the technical field of electrical equipment auxiliary installation devices. The device comprises a back plate, vertical plates are arranged on the left end side and the right end side of the back plate; the extending ends of the two vertical plates are provided with folded plates extending towards the inner sides. A plurality of first connecting holes are formed in the folded plate; a U-shaped clamping plate is mounted on the upper side of the back plate; two side plates of the U-shaped clamping plate respectively cross the side surfaces of the front end and the rear end of the back plate and are arranged downwards; a plurality of second connecting holes are formed in the middle of the U-shaped clamping plate and the opposite end face of the back plate; a heat dissipation block is detachably mounted between the two side plates of the U-shaped clamping plate; according to the utility model, the problems of inconvenient installation and poor heat dissipation effect when the relay is installed in some narrow space positions at present are effectively solved.

The utility model discloses a kind of HDPE cable protection sleeve for cable protection, it is related to cable protection technical field, including pipe body, pipe body two ends are fixedly connected with left connecting block, right connecting block, the pipe body includes the upper pipeline of each other clamping, lower pipeline;The left connecting block includes the left upper connecting body of each other clamping, left lower connecting body;The right connecting block includes the right upper connecting block of each other clamping, right lower connecting block;Lower pipeline two ends are fixedly connected with left lower connecting body, right lower connecting block respectively;The two ends of lower pipeline are fixedly connected with left upper connecting body, right upper connecting block respectively, recess is set up on the left upper connecting body, left lower connecting body, the protruding block matched with the recess is fixedly arranged on the right upper connecting block, right lower connecting block, solve the connecting place without overhaul window in prior art, when needing to repair certain section of pipeline, need to dismantle pipeline in whole section, the practicability of device is affected.

This utility model discloses a material barrel and a vertical frozen food manufacturing device. The material barrel includes a barrel body with a notch on one side of the bottom. The notch is configured to provide clearance when the barrel body moves downward or tilts. The vertical frozen food manufacturing device includes a body extending vertically, with a horizontally extending cantilever at the top of the body. The cantilever has a downwardly extending refrigeration evaporator, and the material barrel is detachably mounted on the cantilever. The material barrel has an upward-opening cavity. The body has a contact portion facing the bottom of the material barrel. The bottom of the material barrel near the body has a notch. When the bottom of the material barrel abuts against the contact portion, the material barrel can tilt until the notch abuts against the contact portion, so that the lower end of the refrigeration evaporator is higher than the part of the cavity opening edge near the body. Without reducing the height of the material barrel, the notch allows for easy disassembly and installation.

The utility model relates to the technical field of positioning devices, in particular to a positioning device for machining a four-axis fuselage rod of an unmanned aerial vehicle, which comprises a movable clamp block, each fixing mechanism comprises a sliding chute, a fixing plate, a spring and a fixing groove, the fixing plates at the two ends of the movable clamp block are pressed to fit and push a protective cover, and when the fixing grooves correspond to the fixing plates, the protective cover is fixed. A fixing plate enters a fixing groove through the elastic force of a spring, reverse operation during mounting and dismounting of the protective cover is achieved, workers can quickly complete mounting and dismounting of the protective cover conveniently, when internal parts of the protective cover need to be maintained, the protective cover can be quickly dismounted, the operation convenience is improved, meanwhile, the protective cover can shield an adjusting screw, and the working efficiency is improved. According to the positioning device, impurities such as cuttings and cooling liquid generated in the machining process can be prevented from making contact with the adjusting screw, abrasion of the impurities to the screw is avoided, the probability of screw failure caused by invasion of the impurities is reduced, the service life of the adjusting screw is guaranteed, and then the stability of the whole positioning device is guaranteed.

The utility model discloses a kind of wiring board riveting machines, including rack, the top surface of the top plate of the rack is fixed with front and back extension linear conveying mechanism in middle part;Linear conveying mechanism's left side rear and middle part, the top surface of the top plate of the rack at right side rear and middle part is fixed with linear vibrator, and the top plate of linear vibrator has transversely extended feeding conveying channel, the discharge end of the feeding conveying channel of left side rear is closely attached or close to the left side feed inlet of linear conveying mechanism rear and communicates with left side feed inlet, the top surface of the top plate of the rack at the rest feeding conveying channel around is fixed with grabbing mechanism, and grabbing mechanism is grabbed and installed to linear conveying mechanism on the material at the inner end of corresponding feeding conveying channel;It can automatically feed and automatically assemble riveting of glass fiber plate, aluminum riveting column, two welding pieces, realize installation, and its effect is good, efficiency is high, greatly reduce manual labor.

The utility model discloses a dyed cheese unloading device which comprises an unloading machine, the unloading machine comprises a pedestal, the pedestal is provided with a fixing device, a creel and a yarn bearing column, the creel is provided with an unloading plate, the unloading plate is provided with an unloading hole and an unloading protrusion, the unloading plate is provided with a connecting rod, the connecting rod is symmetrically provided with connecting grooves, and the connecting grooves are connected with the fixing device. The discharging machine further comprises a transferring device and a connecting air cylinder, a connecting sleeve is arranged at the output end of the connecting air cylinder, a connecting hole is formed in the connecting sleeve, the creel is installed on the pedestal, the connecting air cylinder is connected with the discharging plate through the connecting rod and the connecting sleeve, and the discharging plate is connected with the transferring device. The connecting rod and the unloading plate are driven by the connecting air cylinder to move upwards, cheese on the cheese bearing column can be conveniently unloaded through the unloading hole in the unloading plate and the unloading protrusion in the unloading hole, the unloading effect and stability are improved, gauze is transferred through the transfer device, the unloading convenience is improved, and manpower consumption is reduced.

The utility model provides a metal shell corrosion -resistant fastener relates to metal shell corrosion -resistant fastener technical field, including first metal shell, first metal shell one side is provided with second metal shell, the outer surface fixedly connected with connecting plate of second metal shell, the outer surface of connecting plate is opened with mounting hole, the inner wall sliding connection with connecting piece of mounting hole. The utility model, set up's mounting post, can be inserted in fixed hole and mounting hole, thereby convenient for moving piece and be stuck in the outer surface of connecting plate, the bottom plate of setting, one side makes the first rotating plate and second rotating plate of both sides one side completely contact bottom plate, can present horizontal state to first rotating plate and second rotating plate, thereby make the other side of first rotating plate and second rotating plate closely adhere to the outer surface of connecting plate, form the clearance between the other side and the moving mouth, when the sliding column moves to first metal shell direction, can be received two rotating plates to the moving storehouse of mounting post.

The present application relates to a latch type quick-change automobile battery pack and new energy vehicle body connection structure, and relates to the technical field of electric vehicles. The latch type quick-change automobile battery pack and new energy vehicle body connection structure comprises a battery end locking mechanism arranged at the side end of the battery pack, a vehicle body end lock opening mechanism arranged at the side of the vehicle body, and a battery pack lifting mechanism. The battery pack lifting mechanism comprises a first lifting platform and a second lifting platform. The second lifting platform is provided with a battery end opening pin matched with the battery end locking mechanism and a vehicle body end opening pin matched with the vehicle body end lock opening mechanism. The height of the battery end opening pin is higher than that of the vehicle body end opening pin. The connection structure of the present application realizes the dismounting and locking process of the battery pack and the new energy vehicle body through the battery pack lifting mechanism. The quick change and installation of the battery pack can be realized through simple lifting control, which significantly shortens the replacement time of the battery pack.

The utility model belongs to the hairdressing apparatus technical field, concretely relates to a limiting comb of circular hairdressing apparatus, including circular host computer, the upper end surface of circular host computer is installed with upper cover, the inner periphery of upper cover is provided with static knife holder, the upper end port of static knife holder is installed with static blade, the inner periphery of static knife holder is installed with dynamic knife holder, the upper end port of dynamic knife holder is installed with dynamic blade, and the limiting comb is installed between static knife holder and upper cover, the upper end port of limiting comb is formed with limiting portion, the inner of upper cover is formed with mounting seat, the lock catch spare of movable setting has in mounting seat, and the spring of abutment has between the one end of lock catch spare and mounting seat, the other end of lock catch spare stretches out mounting seat and is formed with buckle portion, the lower end of limiting comb is formed with annular connecting portion, the inner side of annular connecting portion is formed with the limiting slot of buckle portion abutment, the utility model discloses through the design of lock catch spare, through the annular connecting portion of limiting comb is inserted to the annular installation slot, and buckle portion will abut in limiting slot, thereby realizes the installation of limiting comb.

The utility model discloses a mobile feeding device of boiling drying machine mainly relates to the field of drying machine. Including the hopper of setting between base and expansion cylinder, be equipped with the fixing frame between base and expansion cylinder, be equipped with the moving frame on the hopper, the bottom of moving frame is equipped with a plurality of moving wheels, both sides of hopper are rotatably connected with moving frame, be equipped with the guide frame on moving frame, be equipped with the guide hole on guide frame, be equipped with the guide column on the hopper, the guide column is slidably connected in the guide hole, be equipped with the limiting component of cooperation guide frame use on the guide column, the both sides symmetry of moving frame bottom is equipped with the extension rod, the both sides symmetry of fixing frame is equipped with the track groove of cooperation extension rod use, be equipped with the locating post in track groove, be equipped with the locating groove of cooperation locating post use on extension rod. The utility model has the beneficial effect that it can solve the technical problem of the slow feeding and the inconvenient material taking of the feeding device of the existing boiling drying machine, improve the efficiency of feeding, greatly improve the convenience of material taking.

The utility model discloses a tobacco planting film mulching device, which belongs to the technical field of planting and comprises a film mulching moving frame, an inverted L-shaped lifting frame is arranged in an inner cavity of the film mulching moving frame, the inner side wall of the lifting frame is rotatably connected with a fixed cylinder through a rotating shaft, and a film mulching roller for mulching tobacco is sleeved on the periphery of the fixed cylinder. The inner side wall of the fixing cylinder is rotationally connected with a first bidirectional threaded rod through a pin shaft, the peripheral side of the first bidirectional threaded rod is sleeved with two abutting blocks in a threaded mode, the inner side wall of the fixing cylinder is symmetrically connected with four springs, the free ends of every two springs are jointly connected with a cushion block, and the opposite side faces of the two cushion blocks are symmetrically connected with four connecting blocks; the free ends of every two connecting blocks penetrate through the fixing cylinder and are jointly connected with an extrusion block used for fixing a film covering roller. According to the tobacco planting film covering device, the problem that a film roll is inconvenient to replace is solved, and the tobacco film covering efficiency is improved.

This utility model relates to the field of damper technology and discloses a fluid buffer device, including a main structure and a buffer structure. The main structure has a communicating cavity and an inlet and an outlet communicating with the communicating cavity, with the inlet and outlet positioned opposite each other. The buffer structure is disposed within the communicating cavity and has a buffer cavity and two openings communicating with the buffer cavity. One opening is connected to the inlet, and the other opening is connected to the outlet. The buffer structure is configured to be elastic. Under the action of medium pressure, the buffer structure is adapted to undergo elastic deformation to buffer the medium pressure. This utility model can provide all-round buffering of medium pressure in the radial, circumferential, and axial directions, so that the buffer structure can fully absorb the pulse brought by the medium pressure, thereby effectively improving the buffering effect of the buffer structure on the medium pressure and avoiding splashing when the medium flows out of the outlet.

This disclosure relates to a buffer block and a vehicle. The buffer block is for mating with a vehicle body and a tailgate, and includes a base and an adjusting rod. The base has a mating cavity. One of the mating cavity and the adjusting rod is provided with a mating thread, and the other is provided with a first mating portion and a second mating portion. The first mating portion is provided with a forward thread, and the second mating portion is provided with a reverse thread. One of the forward thread and the reverse thread is used for threaded connection with the mating thread. Through the above technical solution, the buffer block provided by this disclosure is easy to install on a vehicle.

The utility model discloses a reaction kettle pressure bursting disc quick replacement subassembly relates to the technical field of bursting disc, this reaction kettle pressure bursting disc quick replacement subassembly includes the explosion -proof cylinder, the outer wall of the middle part of explosion -proof cylinder is installed with third fixed ring, the inside of third fixed ring is provided with second recess, the inside of second recess is installed with first clamping pipe, the top of first clamping pipe is installed with first fixed ring, the inside of first fixed ring is provided with first recess, the inside of first recess is installed with bursting disc, the upper portion of first clamping pipe is installed with second clamping pipe, the bottom of second clamping pipe is installed with second fixed ring, the bottom of second fixed ring is installed with annular pressure block, and the scheme has solved the problem that the flange and sleeve are welded fixed in the installation process in the process of using the existing reaction kettle bursting device, resulting in the need to replace the overall structure for replacing the bursting disc subsequently, and the use cost is increased significantly.

The utility model discloses a clamping formula liquid turbine flowmeter relates to flowmeter technical field, and the utility model discloses a flowmeter main part is equipped with clamping assembly at the both ends of flowmeter main part, and clamping assembly includes sleeve joint ring, and two of sleeve joint ring are set up, and one sleeve joint ring fixedly set up at the one end of flowmeter main part, and the other sleeve joint ring fixedly set up at the other end of flowmeter main part, and two rack plates are fixedly arranged on the outer wall of sleeve joint ring, in the utility model, by setting clamping assembly at the both ends of flowmeter main part, when the flange plate of pipe fitting end portion enters the inside of sleeve joint ring, by driving limit ring plate horizontal movement, can limit to flange plate, make flange plate fixed in the end of flowmeter main part, to conveniently realized the installation of flowmeter main part, and then effectively improved the convenience of flowmeter main part installation operation, reduced installation operation intensity simultaneously.

The utility model relates to the technical field of lamps, in particular to a metro station interval tunnel lighting lamp which comprises a lamp body, a lighting assembly, a wiring hole and a power source fixing piece, the lamp body comprises a lighting face and a mounting face, the lighting assembly facing the lighting face is arranged in the lamp body, the mounting face is provided with a mounting groove and the wiring hole, and the power source fixing piece is provided with a lock hole; the power supply module is pressed on the mounting surface by the power supply fixing piece, the power supply module is provided with a positioning hole, and the fastener penetrates through the lock hole and then is locked with the positioning hole; and one end of the butt joint male-female head is connected with the power supply module, and the other end passes through the wiring hole and then is connected with the lighting assembly. The subway station interval tunnel lighting lamp has the advantages of being easy to install and maintain in the later period, a traditional complex structure in the process of installing a power source is abandoned, and the power source can be installed, disassembled and maintained without tools.