51results about How to "Ensure overall airtightness" patented technology

The present invention provides a heat exchanger, comprising a plurality of first heat exchange plates (1) and second heat exchange plates (2) that are connected sequentially and at an interval; the first heat exchange plates (1) and the second heat exchange plates (2) each comprise a heat exchange sheet (3) and a heat exchange frame (4) disposed on side ends of the heat exchange sheet (3); the side ends of the heat exchange sheet (3) are formed with a snap projection (9) in a direction away from the heat exchange frame (4); the heat exchange frame (4) is formed with a snap groove (10); the first heat exchange plates (1) and the second heat exchange plates (2) are in interference connection through the engagement between the snap projection (9) and the snap groove (10); an air channel (5, 6) is formed between a first heat exchange plate (1) and an adjacent second heat exchange plate (2), the air inlet of the first heat exchange plate (1) and the air inlet of the second heat exchange plate (2) have different directions, and the air outlet of the first heat exchange plate (1) and the air outlet of the second heat exchange plate (2) have different directions. The present invention puts the first heat exchange plate (1) and the second heat exchange plate (2) in interference connection through the engagement between the snap projection (9) and the snap groove (10), which effectively ensures stability and reliability of the connection, and ensures the airtightness of the connection.

The present invention provides an earth apparatus of a vehicle, which includes a panel having a through-hole, a fastener having a panel-shaped support portion with an open side at one side and a nut portion fitted in the through-hole of the panel, and an earth member combined by the fastener, connected with an earth wire at one side, and having a guide bending downward at a predetermined length at the other side such that the guide is combined at a position corresponding to the open side of the support portion of the fastener.

The invention discloses a blocking prevention pipeline for water conservancy engineering. The blocking prevention pipeline includes a blocking prevention pipeline body, a supporting frame, a pipe body, splicing plates, a blowoff pipe and a splicing head, the bottom of the blocking prevention pipeline body is connected with the supporting frame in a nested mode, the bottom end of the supporting frame is tightly welded to a base, the middle part of the supporting frame is connected with the pipe body in a penetrating mode, the two ends of the pipe body are fixedly connected with the splicing plates, the bottom end of the pipe body is connected with the blowoff pipe in an embedded mode, and the top end of the blowoff pipe is fixedly connected with the splicing head. The splicing head reflectsleakage-proof and installation properties of the blocking prevention pipeline, the blowoff pipe reflects blocking prevention performance and practicability of the blocking prevention pipeline, the splicing plates reflect installation performance and filterableness of the blocking prevention pipeline, the pipe body reflects the blocking prevention performance of the blocking prevention pipeline, aleakage-proof pipe reflects leakage-proof and environmental protection properties of the blocking prevention pipeline, a fine filter screen reflects practicability of the blocking prevention pipeline, a barrier net reflects filterableness and the blocking prevention performance of the blocking prevention pipeline, and the supporting frame reflects stability and the installation performance of theblocking prevention pipeline; and broad development prospects in the future are achieved.

The invention discloses a kitchen waste pretreatment system and a sorting method therefor. The kitchen waste pretreatment system comprises an air purification subsystem, a waste gas treatment subsystem, a waste transmission subsystem, a hydrodynamic sorting subsystem and a discharging subsystem. Air is introduced into the air purification subsystem and is fed into the top of a workshop by an output end of the air purification subsystem. The waste gas treatment subsystem, the waste transmission subsystem, the hydrodynamic sorting subsystem and the discharging subsystem are respectively arranged under the air purification subsystem. The waste gas treatment subsystem introduces air, removes an odor produced in waste transmission, and transmits pollutant-free gas to a chimney. Waste is introduced into the waste transmission subsystem. An output end of the waste transmission subsystem is connected to the hydrodynamic sorting subsystem. The hydrodynamic sorting subsystem is used for sorting of light waste, heavy waste and organic waste. The sorted light waste, heavy waste and organic waste are discharged by the discharging subsystem. The kitchen waste pretreatment system realizes air purification in a kitchen waste storage space thereby eliminating an odor, realizes automatic sorting of inorganic impurities, and realizes reduction, harmless treatment and recycling of kitchen waste.

The invention discloses a sealing cover which comprises a shell and an instrument channel and an air inlet channel which are arranged at the top of the shell. The bottom of the shell is provided witha connector for being connected with an incision protective sleeve. The instrument channel and the air inlet channel are both communicated with the interior of the shell; a sealing cap is arranged atthe top of the instrument channel, a through hole is formed in the sealing cap, and the instrument channel is communicated with the exterior through the through hole; the sealing cover further comprises an air blocking baffle, and the air blocking baffle is used for blocking communication between the instrument channel and the shell; when a surgical instrument is inserted into the through hole, the surgical instrument is in clearance fit with the through hole, and when the surgical instrument continues to stretch into the shell through the instrument channel, the air blocking baffle is stressed to be opened. The invention further discloses an incision protective sleeve and an operation device. The sealing cover has the advantages of being low in infection rate, enabling operating personnelto insert surgical instruments to perform operation and the like.

The invention discloses a filler strip for a sectional material. The filler strip comprises a skeleton and a wrapping layer, wherein the skeleton is in a long striped shape, a longitudinal through hollow structure is arranged inside the skeleton, and the wrapping layer integrally wraps the skeleton; the skeleton is made of an aluminum alloy sectional material; and the wrapping layer is made of a silicone rubber material. The filler strip is wear-resistant, good in supporting performance, and applicable to the production and transportation process of the sectional material.

An air pressure adjustable elastic body is integrally formed with an inflation/deflation module on a joining member which is formed by plastic injection molding. With the inflation/deflation module, the user can adjust the air pressure in the elastic body as desired, improving the application of the elastic body. Furthermore, since all components of the elastic body are formed by the plastic injection molding, the manufacturing procedure can be simplified, reducing the production cost while enhancing the economic benefit. In addition, since the elastic body is formed by the integral injection molding, it has no structural defects.

The invention discloses a filler strip for a sectional material. The filler strip comprises a skeleton and a wrapping layer, wherein the skeleton is in a long striped shape, a longitudinal through hollow structure is arranged inside the skeleton, and the wrapping layer integrally wraps the skeleton; the skeleton is made of an aluminum alloy sectional material; and the wrapping layer is made of a TPU material. The filler strip is good in supporting performance, wear-resistant and free from damaging the surface of the sectional material.

This package manufacturing method is a method for manufacturing a package using a rivet having a flat plate-shaped head portion and a core portion protruding from a rear surface of the head portion. The package includes: a plurality of substrates that are bonded to each other: a cavity that houses an object to be housed in an airtightly sealed state; the core portion which is disposed in a through hole that penetrates a base substrate and which electrically connects the object to be housed with the outside; and a glass frit that is filled between the through hole and the core portion and is fired to form a seal between the through hole and the core portion. The package manufacturing method includes: a rivet disposing step of inserting the core portion into the through hole until the rear surface of the head portion comes into contact with a first surface of the base substrate; a glass frit filling step of filling the glass frit in a paste form between the through hole and the core portion; and a firing step of integrally fixing the through hole, the rivet and the glass frit by firing the filled glass frit, and sealing between the through hole and the core portion. A gas relief passage, which leads from a base end of the core portion to a side surface or a front surface of the head portion, is formed on the rear surface of the head portion of the rivet.

The invention discloses a mobile emergency intelligent traditional Chinese medicine pharmacy, and relates to the technical field of medical rescue equipment. The mobile emergency intelligent traditional Chinese medicine pharmacy comprises an automobile body, the automobile body comprises a cab and a carriage, and the carriage and the cab are independent of each other; a medicine dispensing machineand a medicine storage cabinet are mounted in the carriage; an environment monitoring sensor, a weather monitoring sensor, a temperature and humidity sensor, an automobile data recorder, a remote diagnosis and treatment terminal, a storage and a communication module are further carried on the automobile body. The mobile emergency intelligent traditional Chinese medicine pharmacy can be used as aninformation acquisition terminal, can record road condition information along the way, local meteorological environment information, local illness state information and other information, and remotely feeds back the information to a control center, so that the control center can conveniently know the situation of a disaster area in time and perform remote regulation and control. The mobile emergency intelligent traditional Chinese medicine pharmacy is higher in intelligence, higher in automobile utilization rate and wider in application prospect.

A spark plug having a metal shell and an insulator, wherein a stepped portion that includes a rear-end-side facing surface that retains an insulator either directly or via another member is provided at an inner periphery of a metal shell. The stepped portion includes a first convex portion that includes the rear-end-side facing surface, a second convex portion that is disposed on a front end side of the first convex portion and that is adjacent to the first convex portion, and a connection portion that connects the first convex portion and the second convex portion to each other.

A compressor includes a housing, a cylinder block, a valve plate, a discharge valve forming plate and a retainer gasket. The discharge valve forming plate includes a discharge valve, a connecting portion and a discharge valve engaging portion. The discharge valve opens and closes the discharge port. A plurality of discharge valve support portions extends from the connecting portion to support the discharge valve. The discharge valve engaging portion extends from the connecting portion. The retainer gasket includes a retainer, a gasket and a retainer gasket engaging portion. The retainer restricts an opening and closing operation of the discharge valve. The gasket ensures airtightness between the housing and the cylinder block. The retainer gasket engaging portion is formed by bending a part of the retainer gasket. The discharge valve forming plate and the retainer gasket are positioned by connecting the discharge valve engaging portion and the retainer gasket engaging portion.

The invention discloses an integrated rain and sewage diversion interchange inspection well. The integrated rain and sewage diversion interchange inspection well comprises a sewage bin, a rainwater bin, a sewage treatment device, a sewage pipe and a rainwater pipe, wherein the sewage bin is connected with the sewage pipe; the rainwater bin is connected with the rainwater pipe; the sewage treatment device is arranged at the sewage bin and used for treating sewage in the sewage; the sewage treatment device comprises a motor, a smashing blade and a filter screen; the motor is arranged above the sewage pipe and penetrates into the sewage bin through a transmission shaft to be connected with the smashing blade arranged in the sewage bin; and the filter screen is arranged in the sewage pipe and arranged on the side, close to the water outlet end of the sewage pipe, of the smashing blade. The sewage treatment device is used for intercepting and smashing the sewage in the sewage bin, and the burden of a sewage treatment plant is relieved. Meanwhile, the integrated rain and sewage diversion interchange inspection well is cast through a cast steel integrated process, the leakproofness and integrity between the sewage bin and the rainwater bin of the inspection well and between the sewage bin and the pipes are ensured, the durability of the inspection well is enhanced, and the anti-sedimentation mechanism of the inspection well is achieved to a certain degree.

The invention discloses an on-site machining detection device for a barrier material. The on-site machining detection device comprises a welding unit for welding the barrier material and a detection unit for detecting the airtightness of the welded barrier material, and the welding unit is detachably connected with the detection unit. In this way, according to the on-site machining detection device for the barrier material, a heating plate can be replaced or adjusted according to the welding width needed by on-site barrier material construction, so that the welding quality and the impermeableeffect are ensured; and each weld joint can be detected in real time, so that the high efficiency of detection and the accuracy of data are improved.