593results about How to "Good sealing" patented technology

The present invention provides a wafer carrier that includes an opening, which in one embodiment is a plurality of holes, disposed along the periphery of the wafer carrier. A gas emitted through the holes onto a peripheral back edge of the wafer assists in preventing the processing liquids and contaminants resulting therefrom from reaching the inner region of the base and the backside inner region of the wafer. In another embodiment, a plurality of concentric sealing members are used to prove a better seal, and the outer seal is preferably independently movable to allow cleaning of a peripheral backside of the wafer to occur while the wafer is still attached to the wafer carrier.

A biomedical implant is disclosed with osteogenic factors and a solid impermeable membrane occluding a portion of its surface for the generation of new bone growth at the target site of the implant. The implant is porous, bioresorbable, and forms a three dimensional architectural scaffold for the formation of new bone tissue. The implant is formed with a polymer or collagen, bone morphogenetic protein and ceramic particles.

The invention provides a multilayer gravel packing method and tool. The method comprises the following steps in sequence: A. a) sinking a disposable multilayer gravel packing tool; and b) inserting insertion positioning seals and automatic guide shoes into sump packers; B. c) setting top packers, examining seal of the top packers and releasing the top packers; and d) setting interlayer isolation packers on the lower layer and examining seal of the interlayer isolation packers; and C. e) packing a lower oil layer; and f) carrying out reverse circulation; repeating the substeps d), e) and f), namely setting the interlayer isolation packers on the upper layer and examining seal of the interlayer isolation packers, packing a middle oil layer and carrying out reverse circulation; and repeating the substeps e) and f), namely packing an upper oil layer and carrying out reverse circulation. The tool is characterized in that a service tool is installed in an outer tube column, wherein the outer tube column comprises the top packers and bush sealing bores, bushes, sealing bores, sliding sleeves, short sections, sieve tubes, the interlayer isolation packers, the insertion positioning seals, the sump packers and the automatic guide shoes which are connected below the top packers; and the service tool comprises setting tools and wash tubes, a central tube, a packing conversion tool, pressure measuring assemblies, rotary positioning tools, one-way sliding sleeve switch tools, two-way sliding sleeve switch tools and bottom isolation seals which are installed below the setting tools.

The invention discloses a method for manufacturing multilayer flex-rigid printed circuit boards, and aims to solve the technical problem of filling efficiency and product quality in the process of processing the multilayer flex-rigid printed circuit boards. The method comprises that: preprocesses of a rigid circuit board part and a flexible circuit board part are carried out respectively, laminated and formatted, and then thermally compressed and overlapped, and a filler piece is processed by a punching method for the rigidity wiring board part; and when a rigid circuit board is processed, a rigid single-side copper-clad material is adopted, and then the following steps are completed in order: drilling, punching, transfer of inner layer patterns, etching of an inner layer circuit, circuit inspection, surface multibond, and semi-solid preparation of a rigid outer layer film of a washer and pure copper foil. Compared with the prior technology, hardware mould is directly used to perform die cutting on the filler piece on the position of a filling area; therefore, the method reduces the generation of bug dust in the processing process, has good leak tightness of the filling position, and greatly improves the reliability of performance and product percent of pass.

The invention discloses a latticed type precast prestressed underground diaphragm wall, comprising a precast wall body, wherein two rows of prestressing steel strands vertically pass through the inside of the precast wall body; the prestressing steel strands apply prestress after the concrete strength of a concrete wall body reaches over 80 percent, and the upper and lower end faces of the precast wall body are locked by prestressing anchorage device; two rows of the prestressing steel strands are connected at intervals through transverse structure reinforcing steel bars along the height direction; joint parts on two sides of the precast wall body are of a concave semicircular shape; a protective layer is concreted on the periphery of each prestressing steel strand; and a hollow through hole throughout the height direction of the wall body is arranged inside the precast wall body. The diaphragm wall is concreted and precast on the ground, which can well guarantee the shape, size and density of the wall body, ensures that the quality of the wall body cannot be affected by strata or slurry wall, and can thoroughly eradicate joint mud inclusion, wall body sand inclusion, reinforcing steel bar exposure, loosening, wall surface protuberance, water leakage, sand shifting and other quality qualitative common faults.

The invention discloses a small multifunctional sample room for LIBS (laser-induced breakdown spectroscopy), whose structure mainly includes an openable closed cavity, a focusing lens arranged on a casing top of the cavity, a sample plate mounted on a rotatable lifting column table positioned at the center of the bottom of the cavity, and a signal collection device placed on the casing wall of the cavity and connected with an external detector, wherein no less than one sample cell is designed on the sample plate, is positioned in the sample plate and can rotate to the position below the focusing lens during the rotation of the sample plate; and a lens of the signal collection device points to the sample cell rotating to the position below the focusing lens. The small multifunctional sample room disclosed by the invention can be used for bearing solid particulates, powders and liquid samples simultaneously for measurement, has the characteristics of excellent focusing performance, tightness and working performance, small volume and the like, can be integrated in a laser optical spectrum analyzer or used independently, and is particularly suitable for simultaneously analyzing in-situ collected scraps, rock and slurry samples in petroleum drilling and geological exploration.

A culture of high-density cell and its biological reactor are disclosed. It is characterized by installing inorganic membrane filter assembly and feed-supplement pot on biological reactor and connecting the three parts into a biological reactor system for cell circulation high-density culture or high-density continuous culture by control loop. It can combine the cell culture with membrane filter concentrate to obtain the needed metabolic product. It costs low, has short reaction time and higher production efficiency.

The invention discloses a shipborne satellite communication antenna. The antenna comprises a radome portion, an orientation transmission portion, a pitching transmission portion and a polarization transmission portion. The radome portion and the orientation transmission portion are connected and fixed through a pedestal. The orientation transmission portion and the pitching transmission portion are connected through an orientation rotation platform. The pitching transmission portion and the polarization transmission portion are connected and fixed through an antenna surface supporting plate and a rectangular bend waveguide 2. The structure of the radome portion is designed reasonably, sealing performance is good, an internal system of the antenna can be effectively protected and the antenna is suitable for an offshore poor working condition. The structures of the orientation transmission portion, the pitching transmission portion and the polarization transmission portion of the shipborne satellite communication antenna are designed compactly, operation is stable and reliable, the three portions can be rotated independently and can be rotated simultaneously, real-time tracking and automatic satellite aiming functions can be well realized and a smooth space communication link between a boat and a satellite is guaranteed.

The invention provides a sealed storage device comprising a drawer and a shelf located above the drawer, wherein a sealing device matched with the drawer is arranged on the periphery of the shelf, slide ways are arranged on the two sides of the shelf, slide rails capable of sliding in the slide ways are correspondingly arranged on the two sides of the drawer, a supporting part is arranged on the front end of the slide way, and the lower surface of the back end of the slide way depresses downwards to form a recess, a stop dog is convexly extended from the upper surface of the front end of the slide way downwards, a chute is concavely arranged on the lower surface of the front end of the slide rail downwards, and a slide block is arranged on the back end of the slide rail so as to match the slide block with the recess and meanwhile match the supporting part with the chute when the slide rail is pushed into the rearmost end; and when the slide rail is pulled to the most front end, the slide block is propped against the stop dog to limit the slide rail from sliding out from the slide way.

The invention discloses a self-inflatable packer, comprising an oil tube body, a self-inflatable rubber tube, and two limiting rings, wherein the oil tube body penetrates through the self-inflatable rubber tube in an axial-movement manner; and the two limiting rings sleeved outside the oil tube body and fixedly connected with two ends of the self-inflatable rubber tube, wherein an opening stop ring for enabling the limiting rings to be relatively fixed with an oil tube body at normal temperature and enabling the limiting rings and the oil tube body to float relatively when the temperature rises to the high temperature is installed in each limiting ring; and a dynamic sealing device is installed between the oil tube body and the limiting rings. Because the opening stop ring for enabling the limiting rings to be relatively fixed with the oil tube body at normal temperature and enabling the limiting ring and the oil tube body to float relatively when the temperature rises to the high temperature is installed in each limiting ring, the expansion and deformation generated by heating the oil tube body do not influence the self-inflatable rubber tube, the damage of the setting seal is avoided and the setting seal effect of the packer is good.

The invention relates to a full-automatic shale gas content testing analyzer which comprises a desorbing device, a gas detection device, a data acquisition box and a host computer, wherein the desorbing device consists of a constant temperature water bath box and two desorbing tanks; the desorbing tanks are arranged in the constant temperature water bath box; shale samples can be rapidly put into the desorbing tanks; the gas detection device comprises a box body, a measuring cylinder, a gas collecting bottle and a pressure sensor; a liquid inside the bottle is pressed into the measuring cylinder by a shale gas collected into the gas collecting bottle; the data acquisition box comprises an acquisition box frame, a front panel, a rear panel and a hardware circuit; the hardware circuit is provided with a power supply module, a signal receiving module and a signal processing module; the data acquisition box is used for acquiring a signal detected by the detection device, and used for performing analog-to-digital to transmit to the host computer; the host computer is used for displaying, storing and analyzing the signal. The analyzer provided by the invention is scientific in design and convenient to rapidly disassemble, package and carry over. By adopting the analyzer, full-automatic measurement in the whole gas desorbing process can be achieved, and the measurement precision is high.

The invention relates to the field of pipeline plugging equipment, particularly a cable pipeline plugging apparatus. The cable pipeline plugging apparatus comprises an annular first pressing plate, an annular second pressing plate, and a rubber part arranged between the first pressing plate and the second pressing plate; the rubber part adopts an annular structure, and an opening is formed in one position thereof; each of the first pressing plate and the second pressing plate is formed by two semi-annular structures separately; and the first pressing plate, the second pressing plate and the rubber part are fixedly connected through threaded rods and nuts. According to the cable pipeline plugging apparatus obtained in the invention, by virtue of compression of the first pressing plate and the second pressing plate, the outer side wall of the rubber part can be extruded to be convex outwards; and meanwhile, by virtue of the design of the inclined inner wall of the second pressing plate, the inner side wall of the rubber part can be compressed inwardly, so as to generate relatively high pressure between the inner side wall of the rubber part and the cable, so that better sealing performance is achieved.

The invention provides a quick joint of a corrugated pipe for gas, which belongs to the technical field of gas and solves the problems that the prior quick joint of the corrugated pipe needs deformation and has trouble in installation during quick installation. The quick joint of the corrugated pipe for gas comprises a corrugated pipe, a locking screw and a joint with a connection hole, wherein the corrugated pipe is sleeved with a seal washer and a clamping sleeve which can be clamped in the trough of the corrugated pipe, one end of the corrugated pipe penetrates through the clamping sleeve and the seal washer and then extends into the connection hole of the joint, one end of the locking screw is screwed with the outer side of the joint, and the other end of the locking screw is limited on the outer circumferential surface of the clamping sleeve through a limit structure; the inner wall of the connection hole is provided with a step 1, the inner end of the seal washer is provided witha tilt surface which can extend into the connection hole and support against on the step1, and the outer circumferential surface of the seal washer is provided with an annular groove. The quick jointof the corrugated pipe for gas has the advantages of favorable seal performance and quick installation.

The invention clay screening and crushing integrated equipment. The clay screening and crushing integrated equipment comprises a sealed shell and is characterized in that the upper portion of the shell is provided with a feed inlet, the upper portion of the shell is provided with a discharge outlet, a pre-screen plate which connects the feed inlet and the inlet of a cyclone crushing device and isused for screening small-particle clay materials smaller than screen holes, a material conveying device used for conveying the screened and crushed materials into the discharge outlet is arranged under the pre-screen plate, and the outlet of the cyclone crushing device is arranged right above the material conveying device through a screen. The clay screening and crushing integrated equipment has the advantages that clay of different particle sizes can be crushed, high crushing efficiency, low energy consumption and small discharged material particle size can be achieved, and secondary pollution is reduced by an independent flying dust capturing and treating system.

The invention discloses a self-centering chuck, and belongs to the field of machining clamps. According to the technical scheme, three grooves which are arranged at equal angles around the central axis are formed in the end surface of a chuck main body, and a guide rail lead screw is rotationally connected in each groove; each guide rail lead screw extends to the outer circle end of the chuck mainbody to be fixedly provided with a bevel gear, and the three bevel gears are meshed with annular bevel gears which are rotationally connected to the outer circle end of the chuck main body, so that when one guide rail lead screw rotates, the other two driven bevel gears are driven to rotate through the annular bevel gears, and then the corresponding guide rail lead screw is driven to rotate; dueto the fact that outer threads of the guide rail lead screws are meshed with threaded holes on the sleeved clamping jaws, so that the lead screws rotate to drive the clamping jaws to linearly move towards the center axis of the chuck main body, and thus the clamping effect is achieved; due to the fact that the lead screw mechanism is small in abrasion degree, the sealing performance is good, the clamping jaws move back and forth and are not prone to blockage, and compared with a traditional self-centering chuck, the transmission efficiency is higher, and positioning is more accurate.

The invention discloses a drinking water bucket cover and a drinking water bucket provided with the drinking water bucket cover. The drinking water bucket cover comprises a cover body and an automatic sealing component, wherein one end of the cover body is used for closing the drinking water bucket, and the other end of the cover body is provided with an opening which is communicated with the interior of the drinking water bucket; the automatic sealing component comprises a first valve and a second valve; the first valve is provided with a blind hole and is provided with a first magnet; the second valve is provided with a through hole and is provided with a second magnet with magnetism opposite to first magnetism; the second valve is arranged at the opening and the through hole is communicated with the opening; the first valve is closely attached to the second valve to further seal the through hole through attraction of the two magnets. When the drinking water bucket is arranged on a drinking fountain in an inverted manner, a smart column on the drinking fountain is accommodated in the blind hole through the opening and the through hole, and the first valve is pushed away from the second valve, so that water in the drinking water bucket can flow through the smart column to enter the drinking fountain; the automatic sealing component realizes automatic sealing of the opening. The invention also discloses the drinking water bucket provided with the drinking water bucket cover.

The invention relates to a residue thermal boiler sealed with the film wall including the upright column, the beam, the steeve, the film wall hearth, the ceiling pipe, the condenser pipe, the superheater, the evaporator, the coal economizer and boiler outlet. The film wall hearth is suspended on the beam by the steeve. The condenser pipe, the superheater, the evaporator are set in the film wall hearth from up to down. The hearth is enclosed by the front film wall, the left film wall, the back film wall and the right film wall. The superheater and the evaporator are suspended by the ceiling pipe which is suspended on the beam by the steeve. The part which the superheater and the evaporator pass the film wall is sealed by the ripple expanding structure. The coal economizer top and the lower end of film wall hearth are connected and sealed by the expanding node; the lower end of coal economizer is connected to the boiler outlet by the expanding node. The invention has the good sealing, antiwear and heat expansion character, also it works stable.

The invention discloses a plugging material and plugging slurry for protecting a reservoir stratum with the low fracturing fracture ability. The plugging material is prepared from, by weight, 5-6 parts of walnut shell powder, 2-3 parts of a composite plugging agent, 1.5-2 parts of an agent for plugging while drilling, 4-5 parts of an acid soluble plugging agent, 4-5 parts of a high-dehydration-rate plugging agent and 0.2-0.3 part of calcium oxide. The natural plant inertia material, the fiber plugging agent and the acid soluble plugging agent are mixed according to the certain matching ratio to form the acid soluble plugging material in granule and fiber shapes. The material has the advantages that the bridging effect of a bridging material is good and the plugging success rate is high, and also has the advantages that the density is low, stratum pressure is effectively balanced, the stratum damage is small, the plugging property is strong and acid solubility is achieved. The plugging slurry prepared from the plugging material and water has the advantages of being low in density, high in pressure bearing capability, good in malignant leakage plugging effect, high in acid solubility and the like; the on-site preparation process is simple, construction is safe and reliable, and the purposes of reducing well leakage loss and protecting the reservoir stratum can be achieved.

The invention discloses an electric motor with a bearing seat structure of an improved rear end cover, which comprises a shell, a rear end cover is installed on the shell, a bearing chamber is arranged on the rear end cover, a bearing is installed in the bearing chamber and is connected with a rotating axle, a radial O-shaped ring pit slot is arranged on the inner wall of the bearing chamber, an O-shaped ring is arranged in the pit slot, and the outer wall of the bearing is closely matched with the O-shaped ring. Since the rubber O-shaped ring device is arranged in the bearing chamber of the rear end cover, therefore, the sealing performance is good; a pit slot is arranged on a bearing chamber 3; the processing technology is simple, and the cost is low.

The invention relates to a perfume pump with an external spring. The perfume pump with the external spring is designed to solve the technical problem that existing like products are not good enough in structural design. A valve needle, a piston, the special-shaped spring and a valve rod of the perfume pump form a valve needle assembly. The valve needle assembly, a pump body, a glass ball and an inner plug form a pump body assembly. An aluminum oxide press cap, a spraying piece and a head cap form a pump head assembly. The perfume pump with the external spring is characterized in that the special-shaped spring is arranged on the external diameter of the valve rod between the piston in the pump body and the inner plug, and the two ends of the special-shaped spring are fixedly connected with a ring groove of the piston and a pump opening of the pump body respectively. The special-shaped spring is in a Y shape. The piston is limited on a needle head at one end of the valve needle, and a needle rod at the other end of the valve needle is sleeved with a center hole of the valve rod. A ring groove at the needle rod end of the valve needle is buckled with a ring buckle on the internal diameter of the valve rod, and a water outlet groove is formed in the external diameter of the valve needle and is from the ring groove of the valve needle to the needle head. An inner ring of the piston is in sliding fit sealing with the external diameter of the valve rod, and a channel between the water outlet groove of the valve needle and the piston is opened when the valve rod, the piston and the valve needle move to the side of the glass ball.

The invention relates to a vehicle-carried volume-expandable sealable and separable movable house, which comprises a bottom plate, a top plate, a front plate, a rear plate, and supporting posts and side plates distributed on two sides, wherein expandable leg supports are mounted on the bottom part of the bottom plate and in gaps between the wheels; the side plates are connected with the bottom plate by connecting rod mechanisms and can be expanded horizontally; first sealing air bags are arranged around the side plates; transverse supports and vertical supports, which can be folded are mounted on the side plates; after the side plates are expanded, the transverse supports and the vertical supports can be expanded to form external frameworks of expanded house; the external frameworks are covered by inflatable sealing cloth; the external framework and the sealing cloth are connected by clamping grooves; and the whole space is divided by partition boards into a plurality of rooms, and second sealing air bags are mounted around the partition boards. The volume-expandable sealable and separable movable house disclosed by the invention has the characteristics of high thermal-insulation, heat-insulation, sealing and sound-insulation performance and convenient cell separation.

The invention discloses a water-based drilling fluid and a preparation method thereof. The water-based drilling fluid is prepared by mixing the following components in parts by weight: 100 parts of water, 0.25-0.35 part of sodium carbonate, 0.3-0.5 part of a flow modifier, 1-2 parts of a filtrate reducer, 1-2 parts of an inhibitor, 0.3-0.5 part of a coating agent, 6-8 parts of KCl, 1-2 parts of an aluminum compound blocking agent, 3-5 parts of a micro-nano blocking agent and a balanced amount of barite. Aiming at hard and brittle shale, the water-based drilling fluid has strong inhibition and plugging performances and is beneficial to reinforcing the wall of a well and reducing the generation of wellbore instability, chipping and collapse.

The disclosed seal structure for improving tightness and security includes a metal tank body and an upper cover. The upper cover is welded onto the metal tank body combined as an integrated body. A hole for injecting electrolyte is setup on the upper cover. A sealing element is inserted and plugged onto the said hole, and the sealing element welded onto the upper cover is combined as an integrated body. The sealing element and injection hole can form screw thread couple further in order to reinforce tightness and bonding strength. The seal structure guarantees favorable tightness for injection hole. Moreover, the sealing element can support larger pressure, prevent weld from breakage so as to raise security.

The invention discloses a manufacture method of a metal compound flexible graphite gasket. The manufacture method comprises the following steps of: a, preheating a metal material to be not more than 200 DEG C, loading the pre-heated metal material in a heating furnace to raise the temperature to 1050-1150 DEG C, and carrying out constant temperature for 3h; b, taking the metal material out from the heating furnace, rapidly placing in cooling water for cooling; c, shaping and punching the metal material into a metal gasket; d, ultrasonically treating the metal gasket; e, screening flexible graphite, acidifying, and expanding at a temperature of 900-1100 DEG C; f, applying a binding agent to the outer surface of the metal gasket or the inner surface of the flexible graphite or the outer surface of the metal gasket and the inner surface of the flexible graphite, compounding and pressing the metal gasket and the flexible graphite at a pressure of 50-100kg/cm<2>. The manufacture method is simple in process; the metal compound flexible graphite gasket is good in sealing property, high in resilience force and low in cost, and resists high temperature, high pressure and corrosion.

The invention relates to an automatically controlled high-stability pressure-maintaining coring device, which comprises a pressure-maintaining outer cylinder, a pressure-maintaining inner cylinder, a flip cover, a slider and a spring; The inner wall of the top protrudes outwards to form a convex part of the outer cylinder, and the middle and lower part of the convex part of the outer cylinder is provided with a trapezoidal valve port along the circumferential direction; a sealing ring is embedded inside the trapezoidal valve port; The protrusion of the inner cylinder is formed by protruding outward; the pressure-holding inner cylinder is located between the outer wall of the lower side of the protrusion of the inner cylinder and the installation groove to form a cover chamber; the middle and upper outer walls of the pressure-holding inner cylinder and the pressure-holding outer cylinder A spring accommodating cavity is formed between the inner wall of the middle section and the upper section; the convex part of the inner cylinder is equidistantly provided with key grooves along the circumference; the flip cover is matched and accommodated in the flip cover accommodating cavity; in the spring chamber. The invention has simple and reasonable structural design, good sealing performance, convenient and reliable operation and use.

The invention provides a brewing unit of a coffee maker. The brewing unit comprises a first side wall and a second side wall opposite to the first side wall. A coffee pocket and a brewing head are arranged in space enclosed by the first side wall and the second side wall, the coffee pocket is used for accommodating coffee capsules or coffee cakes, the brewing head is used for squeezing the coffee capsules or coffee cakes, driving devices which are used for driving the brewing head to linearly move and simultaneously driving the coffee pocket to rotate are arranged on the first side wall and/or the second side wall, each driving device comprises a first gear, a second gear, a first driving arm, a second driving arm, a slide guide groove, a shifting shaft and a coffee pocket shifting rod, each first gear is meshed with the corresponding second gear, each first driving arm is connected with the brewing head and the corresponding first gear, each second driving arm is connected with the brewing head and the corresponding second gear, each slide guide groove is used for limiting the brewing head when the brewing head moves linearly, each shift shaft is arranged on the corresponding first gear or the corresponding second gear, and each coffee pocket shifting rod is coaxially connected with the coffee pocket and can accommodate the corresponding shifting shaft. The brewing unit has the advantages that the coffee capsules or coffee cakes can be placed in the coffee pocket conveniently, the brewing unit is simple in operation, and dead points cannot be formed easily.

The invention provides a refrigerator door which is provided with a micro door capable of being opened independently. The refrigerator door is further provided with a lock catch part, the micro door is provided with a buckling part in lock catch matching with the lock catch part, the buckling part can move in the thickness direction of the refrigerator door relative to the micro door, and the micro door is further provided with a locating piece which is used for limiting movement of the buckling part so as to enable the buckling part to be stably buckled with the lock catch part. Not only are the refrigerator door and the micro door coplanar, but also an interval between the refrigerator door and the micro door can be adjusted, attractiveness in appearance can be guaranteed, the sealing performance is good, and the micro door can be opened and closed smoothly simultaneously.

The invention discloses degradable sealing grease for the shield tail of a tunnel shield tunneling machine. The sealing grease is prepared from components in percentage by mass as follows: 15%-30% of base oil, 20%-50% of auxiliary filler, 10%-25% of a tackifier, 10%-15% of lubricating grease, 3%-8% of fiber material and 1%-5% of water-absorbing particles. The sealing grease for the shield tail of the shield tunneling machine has good pumpability, oxidation resistance, outstanding sealing performance, excellent lubricating performance, degradability and adhesion and also has a good waterproof effect due to addition of crosslinked net-like water-absorbent particles in the grease.

The invention belongs to the field of transmitters, and in particular relates to a micro water transmitter for a high-voltage switch gas insulated switchgear (GIS) distribution room. The transmitter comprises a body (1), and a connecting piece (3), a sensor bracket (5), a sensor seat (6), a dew point sensor, a pressure sensor, a temperature sensor, a pressure voltage/current (V/I) conversion module and a temperature conversion module which are arranged in the body (1), wherein the top of the sensor bracket (5) is fixedly connected with the bottom of the sensor seat (6); the main body of the dew point sensor is packaged in the sensor seat (6), and the probe part of the dew point sensor is arranged in the inner cavity of the body (1); the top of the sensor seat (6) is provided with a pressure sensor assembling groove for assembling the pressure sensor; the side wall of the pressure sensor assembling groove is provided with a through hole; and the output port of the connecting piece (3) is communicated with the inner cavity of the body (1). The transmitter has high sealing property, insulating property, anti-interference property and response speed.

The invention provides a vertical coordinated vibration isolation or reduction device and an application method thereof. The device comprises an upper support and a lower steel plate which are horizontally arranged, a spiral spring which is vertically clamped between the upper support and the lower steel plate and a combined viscous-elastic cylinder damper which is coaxially installed in the spiral spring; the upper support comprises a circumferential side wing plate and a support top board and a support base board which are respectively fixed at an upper end and a lower end of the side wing plate; the combined viscous-elastic cylinder damper comprises an inner sleeve and an outer sleeve which are coaxially arranged and a viscous-elastic damping layer which is between the inner sleeve andthe outer sleeve by high temperature vulcanization; the combined viscous-elastic cylinder damper passes through and is fixed on the support base plate through a bolt at the top of the inner sleeve; abottom of the outer sleeve is fixed on the lower steel plate. Based on the spring vibration isolation system, the invention adopts a viscous-elastic damping material to increase the energy consumptionability of the device system with large damping ratio, stable performance, good sealing property and suitable for engineering application, and designs a complete spring damping cooperative working system suitable for vertical load-bearing structure to withstand vertical excitation, which plays an excellent role in vibration isolation and vibration reduction.