37results about How to "Affect disassembly" patented technology

The invention discloses a gas collection cover, and relates to the technical field of gas collection covers. The gas collection cover comprises a gas collection cover body. The top of the gas collection cover body is fixedly connected with a sleeve pipe. Clamp grooves are formed in the inner wall of the sleeve pipe. One end of the sleeve pipe is fixedly connected with an exhaust pipe. A groove opening is formed in one side of the exhaust pipe. A pressing block is arranged on one side of the groove opening. A push rod is fixedly connected to one side of the pressing block. The surface of the push rod is fixedly connected with a compression spring. A through hole is formed in one end of the push rod. The end, away from the pressing block, of the push rod is fixedly connected with an L-shapedclamp block. A cavity is formed in the other side of the groove opening and is fixedly connected with the interior of the inner side wall of the exhaust pipe. A ring groove is formed in one side of the exhaust pipe. According to the gas collection cover, when the clamp grooves are connected with the L-shaped clamp block, the gas collection cover and the exhaust pipe can be mounted or demounted, pressure is applied to the pressing block, the push rod is driven by the pressing block to separate the L-shaped clamp block from the clamp grooves, and therefore the gas collection cover moves up anddown, and the space occupied by the gas collection cover when the gas collection cover is not used is reduced.

The invention discloses a sputum scab clearing device with a good clearing effect for the pneumology department. The sputum scab clearing device comprises a cylinder, the inner wall of the cylinder isslidably connected with a piston, and one side of the piston is fixedly connected with a push-pull rod. One end of the push-pull rod is fixedly connected with a handle, and one side of the cylinder is fixedly connected with a connecting pipe. The outer surface of the connecting pipe is in threaded connection with a sleeve head, and the surface of the sleeve head is fixedly connected with an atomization spray head. The outer surface of the cylinder is fixedly connected with a rubber layer and a fixed ring. One side of the fixed ring is provided with an annular airbag sleeving the outer surfaceof the cylinder. By arranging the piston, the push-pull rod, the connecting pipe, the sleeve head, the atomization spray head, the annular airbag, a protrusion, an air inlet pipe, a movable ring, a fixing block, a containing groove, a cavity, a movable rod, a spring, an inserting groove and a wedge-shaped block, the problems that clearing is not thorough, a large amount of residuals exist, painsof patients are increased, disassembly is inconvenient, and great difficulty is caused to clearing after using are solved.

The invention relates to a method for forming a modular cambered-surface lamp box. The method comprises the following steps of: forming a long-strip-shaped backlight module by using a long-strip-shaped support shell, a long-strip-shaped mask arranged on the front side of the support shell, lamp strips arranged on the rear side of the support shell and a doubling circuit connected between the lampstrips; then, splicing and installing a plurality of the backlight modules on a fixing support in the longitudinal direction or the transverse direction and fixing the same via bolts through fixing clamping grooves in the shell, and connecting the power connection end of the doubling circuit with a power source in a power supply mode through a power supply circuit to form the modular cambered-surface lamp box. The cambered-surface lamp box has the advantages of being uniform in light emitting, simple in structure, attractive in appearance and convenient to install and maintain.

The invention belongs to the technical field of tunnel supporting, and particularly relates to a film bag concrete and corrugated steel plate combined tunnel primary supporting structure which comprises a corrugated steel plate body and a film bag body. Connecting plates are welded to the two ends of each corrugated steel plate body, a plurality of fixing holes are formed in the connecting plates, every two adjacent corrugated steel plate bodies are fixed together through the corresponding connecting plate and spliced into an arch-shaped supporting plate, a film bag body is laid on the outer arc-shaped surface of each supporting plate, and the film bag bodies are laid along the inner concave faces of the outer surfaces of the corrugated steel plate bodies. The film bag body is filled with concrete; after the concrete in the film bag body is dried, the size is expanded and enlarged again, the sealing performance of the port of the pouring area is enhanced, construction operation is convenient, concrete screen pouring is conducted in the pouring area, the mortar overflow amount is reduced, and materials are saved; and meanwhile, the film bag body and the undried concrete are both flexible bodies and expand and support in accordance with the shape in the pouring area, so that the device is suitable for soft soil, expansive soil, collapsible soil and other areas with low foundation bearing capacity.

The invention discloses a positioning and cutting device for decorative plate processing. The positioning and cutting device comprises a positioning frame. An adjusting sliding base is connected to the positioning frame in a sliding mode, a cutting machine body is fixed to the surface of one end of the adjusting sliding base, a sawtooth piece is fixed to one end of the cutting machine body, and a horizontal side plate is arranged at the bottom of one end of the positioning frame. A connecting sleeve column is arranged on the top of one end of the horizontal side plate, a connecting sleeve is arranged outside one end of the connecting sleeve column in a sleeving mode, and one end of the connecting sleeve is fixed to the horizontal side plate. According to the positioning and cutting device for decorative plate processing, by means of the designed connecting sleeve column, an adjusting stud and the connecting sleeve, the connecting sleeve column is rotationally connected with the horizontal side plate through the connecting sleeve, then the position adjustment of the horizontal side plate is achieved through threaded screwing of the adjusting stud, and the situation that the horizontal side plate can be clamped on a decorative plate with any depth edge to conduct positioning and processing is guaranteed.

The invention provides an encapsulation device. The encapsulation device comprises a main encapsulation body and a transition connecting structure; the main encapsulation body comprises a mounting frame, connecting parts and fixing pieces; the fixing pieces are connected to the inner walls of the mounting frame through the connecting parts; the upper end surfaces of the fixing pieces bulge out ofthe upper end surfaces of the connecting parts; the transition connecting structure is detachably connected with an encapsulated electronic element and is located below the encapsulated electronic element; the encapsulated electronic element is connected with the fixing pieces through the transition connecting structure; when the main encapsulation body and the encapsulated electronic element areassembled in place, the orthographic projection of the transition connecting structure on a support of the encapsulated electronic element is located inside the support, and the preset distances h arereserved between the lower end surface of the transition connecting structure and the upper end surfaces of the connecting parts. By the aid of the encapsulation device, the problem that dismountingof the encapsulated electronic element and the main encapsulation body is affected due to the fact that the encapsulated electronic element and the main encapsulation body are bonded easily in the prior art is solved effectively.

The invention relates to a backlight module of an arc-shaped modular lamp box. A supporting shell is an aluminum profile which is composed of a shell bottom plate, fixing clamping grooves in the shell, connecting lugs on the shell and screw clamping grooves in the shell, and a plurality of lamp holes which are uniformly distributed in an array are formed in the shell bottom plate; a mask is a sectional material with a U-shaped section, the mask is arranged on the front side of the supporting shell, and a clamping device on the mask is connected with the connecting lugs on the shell in a clamped mode; a light source module is arranged on the rear side of the shell bottom plate, so that light sources are arranged in the lamp holes in the shell bottom plate, and open holes in the light sourcemodule are fixed through the screw clamping grooves in the shell. The backlight module can not only be used for being spliced into the lamp box with large-area light emitting, but also can be splicedinto a modular lamp box with an arc-shaped light-emitting surface, and has the advantages of being uniform in light emitting, simple in structure, attractive in appearance, convenient to install andmaintain and the like.

The invention provides an anti-freezing tent pole, and relates to the technical field of tents. The anti-freezing tent pole comprises tent pole bodies, connecting shells, snow prevention mechanisms and heating mechanisms, the connecting shells are arranged at the joints of the tent pole bodies, the connecting shells are movably connected with the tent pole bodies, and snow removal mechanisms are fixedly connected to the inner sides of the connecting shells. Snow falling on the connecting shells is cleaned through the snow removal mechanisms, so that the situation that snow on the connecting shells is frozen due to the influence of low temperature, and consequently dismounting of the tent pole bodies are affected is prevented, the connecting positions of the tent pole bodies are buffered, the situation that the tent pole bodies are blown off from the connecting positions of the tent pole bodies due to the influence of strong wind is prevented, the heating mechanisms are fixedly connected to the sides, close to the connecting shells, in the tent pole bodies, the heating mechanisms provide heat for the snow removal mechanisms and prevent air inlet round holes from being blocked by accumulated snow, and the anti-freezing tent pole solves the problem that the tent disassembly is affected due to the fact that the connection positions of the tent pole bodies are frozen in the snowy and windy weather.

The invention discloses a high-strength bolt for wind power. The high-strength bolt comprises a nut, an outer threaded rod, U-shaped grooves, a first round rod, rectangular plates, hinge plates, a limiting plate, a second outer thread and a torsional spring; the coaxial outer threaded rod is arranged on the lower end face of the nut; the multiple axially-formed U-shaped grooves are formed in the surface of the outer threaded rod; each U-shaped groove is internally provided with the corresponding rectangular plate, and the rectangular plates are perpendicular to the radius of the outer threaded rod; the plane, opposite to the groove bottoms of the U-shaped grooves, of the lowermost ends of the rectangular plates is provided with the two hinge plates, and the two hinge plates are arranged on the two sides of the rectangular plates correspondingly; and the first round rod penetrates the two hinge plates, and the two hinge plates are hinged to the first round rod. According to the high-strength bolt, the uppermost ends of the U-shaped grooves and the second outer thread are completely pressed by the nut, and the U-shaped grooves are prevented from generating adverse influences on the strength of the rod body of the part, bearing pressure, of the outer threaded rod of the bolt.

The invention relates to the technical field of the production of cement rotary kilns, and in particular, discloses a low-nitrogen gas intake control device for the production of a cement rotary kiln.Aiming at the problems that a low-nitrogen gas intake control device for the production of the cement rotary kiln is inconvenient in accurate control of the flow of a nitrogen gas and is not timely in continuation of the nitrogen gas in the prior art, the following scheme is now provided. The device comprises a placement cabinet and two nitrogen gas cylinders, wherein an opening is formed in thefront face of the placement cabinet; a cabinet door is connected to one side of the opening in a hinging manner; two placement plates are connected to the inner wall of the bottom of the placement cabinet in a sliding manner; placement holes are formed in both the tops of the two placement plates; telescopic devices are mounted on both the inner walls of the two sides of the placement cabinet; andracks are connected to extending ends of the two telescopic devices in the hinging manner by connecting mechanisms. The device is reasonable in structure and simple to operate, can be used for quiteconveniently controlling the flow of the nitrogen gas, moreover, cannot affect the normal operation of the production when the nitrogen gas is replaced, and is easy to popularize and use.

The invention belongs to the field of plant equipment and particularly relates to a novel household grape trellis. The novel household grape trellis comprises a main trellis body, a spread prevention shade covers the main trellis body, a basin stand platform connected under the main trellis body and a lifting device used for lifting the main trellis body; space limit levers used for putting up growing-up space of branches and leaves are arranged between the top of the main trellis body and the spread prevention shade; the basin stand platform and the main trellis body can be connected through an adjustment connection device capable of adjusting the space between the basin stand platform and the main trellis body, the adjustment connection device at least comprises two suspenders provided with vertically arranged guide rails and fixedly connected to the main trellis body, guide bars vertically connected on a bedplate of the basin stand platform and matched with the guide rails, and bedplate lifting parts located in the guide rails and used for pulling the guide bars to slide up and down along the guide rails. The novel household grape trellis is simple in structure and high in strength; the whole grape trellis can be lifted simultaneously, and fruit picking, trimming and adjusting of vines can be performed conveniently; the whole grape trellis is separated from a glass house, so that the vines are limited to grow in the spread prevention shade, and the glass house is assuredly unaffected in structure.

The invention belongs to the field of planting equipment and particularly relates to a terrace glass room grape trellis. The terrace glass room grape trellis comprises a main trellis body, a spreading and connecting prevention cover arranged on the main trellis body in a covering mode, a basin stand supporting table connected to the lower portion of the main trellis body, and a lifting device used for making the main trellis body ascend and descend. Space limiting rods used for forming branch and leaf upward growing spaces in an erecting mode are arranged between the top of the main trellis body and the spreading and connecting prevention cover. The basin stand supporting table and the main trellis body are connected through an adjusting and connecting device capable of adjusting the distance between the basin stand supporting table and the main trellis body. The adjusting and connecting device comprises at least two suspenders which are fixedly connected to the main trellis body and provided with vertical guide rails, guide rods which are perpendicularly connected to a table plate of the basin stand supporting table and matched with the guide rails, and table plate lifting components which are located in the guide rails and used for pulling the guide rods to slide vertically along the guide rails. The terrace glass room grape trellis is simple in structure and high in strength, the whole grape trellis can ascend and descend, and thus picking, pruning and vine adjusting can be conveniently carried out. Meanwhile, the whole grape trellis is independent from a glass room, vines are limited to grow in the spreading and connecting prevention cover, and thus it is ensured that the structure of the glass room is uninfluenced.

The invention belongs to the field of planting equipment and particularly relates to a grape trellis for a terrace glass room. The grape trellis comprises a main trellis body, a spreading and connecting prevention cover arranged on the main trellis body in a covering mode, a basin stand supporting table connected to the lower portion of the main trellis body, and a lifting device used for making the main trellis body ascend and descend. Space limiting rods used for forming branch and leaf upward growing spaces in an erecting mode are arranged between the top of the main trellis body and the spreading and connecting prevention cover. The basin stand supporting table and the main trellis body are connected through an adjusting and connecting device capable of adjusting the distance between the basin stand supporting table and the main trellis body. The adjusting and connecting device comprises at least two suspenders which are fixedly connected to the main trellis body and provided with vertical guide rails, guide rods which are perpendicularly connected to a table plate of the basin stand supporting table and matched with the guide rails, and table plate lifting components which are located in the guide rails and used for pulling the guide rods to slide vertically along the guide rails. The grape trellis for the terrace glass room is simple in structure and high in strength, the whole grape trellis can ascend and descend, and thus picking, pruning and vine adjusting can be conveniently carried out. Meanwhile, the whole grape trellis is independent from the glass room, vines are limited to grow in the spreading and connecting prevention cover, and thus it is ensured that the structure of the glass room is uninfluenced.

The invention provides an air cap, which aims to prevent the problem that vent holes of pressure controlled units are easy to be blocked. A thread is arranged at the lower end of a vent pipe of the air cap, the top end of the vent pipe is welded with a cap edge, vent holes are arranged on the upper portion of the vent pipe, and vent hole baffles are arranged outside the vent holes. The air cap guarantees smoothness in venting effectively, and over-high temperature of gas inside can be avoided, so that affection to detachment of the air cap is avoided during repairing.

The invention provides a multifunctional protection device for road bridge engineering. The device comprises a poured pile, a reinforced concrete supporting column, a main body protection frame structure, a locking connecting frame structure, a peripheral connecting steel wire rope, a damping connecting frame structure, a bottom steel wire mesh, a bridge main body, a road edge, a guardrail fixing column, a V-shaped connecting plate, a bottom protection plate, a middle arc-shaped plate and a top protection plate. The reinforced concrete supporting column is poured on the upper portion of the poured pile. The main body protection frame structure is installed on the outer side of the reinforced concrete supporting column. Through the arrangement of a U-shaped connecting base, an overturning locking clamping plate, a trapezoidal locking block and a threaded rod, the connecting position of the overturning locking clamping plate and the trapezoidal locking block can be locked, and the situation that the trapezoidal locking block slides out from the inner side of the overturning locking clamping plate due to overturning of the overturning locking clamping plate is prevented.

The invention discloses a high heat dissipation device for an LED. The device comprises a diode, the diode is horizontally arranged, the arc-shaped side face of the diode is sleeved with a heat dissipation assembly, the heat dissipation assembly is fixedly connected with the diode, the heat dissipation assembly comprises two heat dissipation fins, and the diode is symmetrically sleeved with the two heat dissipation fins, the two heat dissipation fins are connected in a rotating mode, the diode is provided with a pressing plate at the joint of the movable ends of the two heat dissipation fins,the pressing plate is connected with the two heat dissipation fins in a pressing and buckling mode and connected with the diode through bolts, the heat dissipation device can be conveniently providedfor the diode, and then heat generated in the working process of the diode is discharged. and the problem that the working of the diode is affected due to heat is prevented. According to the invention, the problem that the existing LED is lack of a necessary heat dissipation device to cause heat accumulation or the heat dissipation device cannot be disassembled and assembled as required to cause waste is solved.

The invention discloses a reliability test system for a laser chip. The system comprises a substrate, a carrier plate, and a first PCB, wherein the carrier plate is provided with a chip groove, the first PCB is provided with a chip probe, a TEC is disposed between the substrate and the carrier plate, a thermal insulation plate is disposed between the substrate and the first PCB, and a thermal insulation through groove is disposed in the thermal insulation plate; a second PCB is provided with a connection contact, a test contact, a welding contact and a power supply contact; the first PCB and abase plate are installed on the substrate through a fixing screw; the substrate is also provided with a limiting rod; the limiting rod is sleeved with a limiting spring; the base plate is provided with a limiting hole allowing a limiting rod to be embedded therein; the portion, on one side of the limiting hole, of the base plate is also provided with a strip-shaped guide hole in a communicating mode, and the strip-shaped guide hole is located in the side, close to the chip, of the base plate; the welding contact is located on the bottom surface of the second PCB; and a welding through hole corresponding to the welding contact is formed in the bottom surface of the substrate. According to the invention, temperature control precision can be improved; and a plurality of chips can be tested at a time, so test efficiency is effectively improved.

The invention discloses an engine manual start assembly and an engine thereof. The engine manual start assembly comprises a case, a start connecting sleeve and a pull rope disk component used for driving the start connecting sleeve to rotate, the start connecting sleeve is matched with an engine crankshaft in a transmission mode, the pull rope disk component comprises at least a pull rope disk, a drive cam and a guide plate, a line is arranged at the edge of the guide plate along a periphery direction, and the line is used for driving the drive cam to be in a joint with the start connecting sleeve through inertia of the guide plate and driving the drive cam to return. The engine manual start assembly has the advantages that the problem of drive failure caused by torsion spring axial deviation is solved, the reliability of the manual start assembly is greatly improved, the service life is prolonged, the drive torsion spring and the release spring are absent, so that the structure of the manual start assembly is simplified, the installation and the dismounting are facilitated, accordingly, the overall structure, the installation and the dismounting are simple, the problem that the engine can not be manually started caused by the failure of the drive torsion spring and the release spring is prevented, and the usage and maintenance costs are reduced.

The invention relates to the technical field of air conditioners, in particular to an air conditioner. The air conditioner comprises an air outlet frame provided with an air outlet, and a plurality oflocking mechanisms, wherein the air outlet frame is detachably mounted at an opening formed by a base part and / or a shell module, and the opening corresponds to the air outlet position of the air conditioner; and the multiple locking mechanisms are arranged on the air outlet frame and on the base part and / or the shell module and mutually matched, and lock or unlock the air outlet frame when the air outlet frame is mounted or dismounted. The air conditioner solves the technical problem that a space between an air sweeping blade and an air duct assembly of an existing product is difficult to clean, and as for the air conditioner, a space between an air sweeping blade and an air-water duct module is easier to clean.

The invention relates to an arc-shaped modular light box. The arc-shaped modular light box is composed by a plurality of long-strip-shaped backlight modules which are mutually spliced vertically or transversely, and connected with a power source in a powered mode; each backlight module is composed of a long-strip-shaped supporting shell, a mask and a light source module; the supporting shells arealuminum profiles constituted by shell bottom plates, fixing clamping grooves in the shells, connecting convex blocks on the shells, and screw clamping grooves in the shells, and the shell bottom plates are provided with a plurality of light holes which are evenly distributed in an arrayed mode; the masks are sectional materials with U-shaped sections, and are mounted on the front sides of the supporting shells, and clamping devices on side plates are connected with the connecting convex blocks on the shells in a clamped mode; and the light source modules are mounted on the rear sides of the shell bottom plates, and light sources are placed in the light holes in the shell bottom plates and fixed through the screw clamping grooves in the shells. The arc-shaped modular light box has the advantages of being uniform in light emitting, simple in structure, convenient to mount and maintain and the like.

The invention provides a chemical liquid medicine residual liquid collecting device for PCB production. The chemical liquid medicine residual liquid collecting device for PCB production comprises a tank body, afirst rectangular through hole, a sliding plate, a plurality of leakage holes, a mounting frame, and a filter screen; the top of the tank body is provided with an opening; the first rectangular through hole is formed in the inner wall of one side of the tank body; the sliding plate is installed in the first rectangular through hole in a sliding mode, and one end of the sliding plate extends into the tank body; the plurality of leakage holes are formed in the sliding plate, and the plurality of leakage holes are uniformly arranged; the mounting frame is movably mounted at the top of the sliding plate, and the mounting frame is matched with the first rectangular through hole; and the filter screen is mounted in the mounting frame, and the filter screen is in contact with the top ofthe sliding plate. The chemical liquid medicine residual liquid collecting device for PCB production has the advantages that use is convenient, operation is easy, filter residues can be convenientlyand rapidly cleaned, the filter screen can be conveniently detached, the filter element can be conveniently and rapidly replaced, and the filtering effect can be effectively improved.

The invention discloses a novel rotary anti-swing valve which includes a rotary motor, a sealing mechanism, a sealing cover, mounting holes, an oil inlet, a protection mechanism, a lubrication mechanism, a connecting rod, a slide plate, an oil passage, a sponge pad, a fixed seat, a pressure spring and an anti-sway mechanism. The novel rotary anti-swing valve has the beneficial effects that in theinstalling process, the four mounting holes of the rotary motor are aligned with double-screw bolts of a body of an excavator, when the four double-screw bolts on the excavator abut against the mounting holes, abutting of the slide plate inside the mounting holes is achieved, the connecting rod further drives the slide plate to move in the direction of the pressure spring, the slide plate can further extrude the sponge pad, lubricating oil on the surface of the sponge pad moves towards the interior of the oil passage, when the slide plate is separated from one end of the oil passage, the lubricating oil is extruded to the positions between the mounting holes and the double-screw bolts, lubrication of the double-screw bolts is achieved, influences of rusting of the double-screw bolts duringwater inflow of the excavator on disassembling are avoided, the pressure spring resets to achieve resetting of the slide plate by the connecting rod during disassembling, the double-screw bolts on the excavator are conveniently disassembled, and overhauling is facilitated.

The invention provides a multifunctional protective device for road and bridge engineering, including pouring piles, reinforced concrete support columns, main protective frame structure, locking connecting frame structure, peripheral connecting wire rope, damping connecting frame structure, bottom wire mesh, bridge main body, road The edge, guardrail fixed column, V-shaped connecting plate, bottom protective plate, middle arc plate and top protective plate, the reinforced concrete support column is poured on the upper part of the pouring pile; the main protective frame structure is installed on the reinforced concrete support outside of the column. The arrangement of the U-shaped connecting seat, the overturned locking card plate, the trapezoidal locking block and the threaded rod of the present invention is beneficial to locking the connection between the overturned locking card plate and the trapezoidal locking block, and prevents the appearance of the overturned locking card plate. Flip over, causing the trapezoidal locking block to slide out from the inside of the flip locking clip.

The invention discloses a slitting and packaging device of a PE coiled film. The slitting and packaging device comprises a base, a rotating shaft, a reel, a chain and a slitting shaft; supports are arranged on the two sides of the upper end of the base respectively, and a motor mounting seat is arranged on the left side of the upper end of the base. The slitting and packaging device is reasonablein the design of structure, multiple slitting cutting tools are arranged, cutting tool sleeves are tightly fixed on a slitting roller through a rotary shaft, so that the slitting cutting tools can notmove left and right; the positions of the slitting cutting tools are adjusted through rotation of a rotating handle, so that the slitting cutting tools can conveniently cut the coiled films with different sizes, and the cutting quality of the film can be improved; a scale line is arranged on the side wall of the slitting roller, and the slitting cutting tools can be quickly moved to a designatedposition by means of the scale line; a limiting sleeve is arranged on the side wall of the slitting roller, precise positioning is carried out on the PE film, so that the situation of slippage and dislocation under the condition of rotating and slitting is avoided, and thus the slitting result can not be influenced; and an air cylinder is arranged, so that a winding drum arranged on the side wallof a winding frame can be conveniently disassembled and assembled, and when the sizes of the winding drums are different, the position of the winding drum can be adjusted conveniently through the aircylinder, and a winding roller can be prevented from being replaced.

The invention relates to the technical field of water pressure meters, in particular to a novel water pressure meter joint. The novel water pressure meter joint comprises a detecting water tube, wherein the top of the detecting water tube is fixedly connected with a connecting water tube; the top of the connecting water tube is inserted with a connecting joint in a penetrating mode; the outer surface, at one end of the inner cavity of the connecting water tube, of the connecting joint is in sleeve connection with a fixed sleeve; the side surface of the connecting water tube is fixedly connected with a connecting plate through a connecting rod; the top of the side surface of the connecting plate penetrates through and is movably connected with a limiting part; one end, close to a water receiving tube, of the limiting part is fixedly connected with a baffle plate; the outer surface of the limiting part is in sleeve connection with a spring; one side, away from the limiting part, of the baffle plate is fixedly connected with an insertion rod; and one end, away from the baffle plate, of the insertion rod penetrates through the side surface of the connecting water tube and is spliced tothe side surface of the fixed sleeve. According to the novel water pressure meter joint disclosed by the invention, a way of splicing the insertion rod with the fixed sleeve is changed into a conventional threaded connection way, so that the problem that dismounting and mounting of a meter body of the water pressure meter are affected as corrosion of the connecting joint is caused by long-time contact between the connecting joint and water inside the detecting water tube is avoided.

The invention discloses a polymer matrix composite grass planting inspection well lid and a manufacturing process thereof. The polymer matrix composite grass planting inspection well lid comprises a well lid body; a round hole is formed in the upper surface of the well lid body; the interior of the round hole is fixedly connected with a groove matched with the round hole; a hilling layer is arranged at the inner bottom of the groove; an annular groove is formed above the round hole and in the upper surface of the well lid body; a transparent plate is fixedly connected to the inner bottom of the annular groove; and a through hole is formed in the upper surface of the transparent plate. According to the device, green plants can be conveniently planted on the upper surface of the well lid body, the attractiveness is improved, meanwhile, hilling soil loss and influence on green plant growth can be prevented, and the situation that rhizomes of the green plants penetrate through the interior of the well lid body to cause damage and influence use can be avoided by forming the groove in the round hole; the transparent plate is arranged above the round hole, and the through hole and a circular hole are formed in the upper surface of the transparent plate, so that planting of the green plants and entering of water can be facilitated and growth of the green plants is facilitated.