77results about How to "Easy to locate and connect" patented technology

The invention provides an ink box chip, an ink box and an ink-jet printer. The ink box chip comprises a chip substrate. An electronic module is installed on the chip substrate. A chip contact assembly electrically connected with the electronic module is arranged on the substrate and comprises a plurality of chip contacts, wherein the chip contacts are linearly distributed, a contact part is arranged at the outermost end of each chip contact, and the contact parts are located at the joints of contour lines of protrusion parts located on the upper row printer contact probes in the projection direction of the side wall of upper row printer contact probes and contour lines of protrusion parts located on lower row printer contact probes in the projection direction of the side wall of the upper row printer contact probes. The ink box is provided with the ink box chip, and the ink-jet printer is provided with the ink box. The chip contacts are respectively electrically connected with the upper ends and the lower ends of the printer contact probes, the mutual acting force between the chip contacts and the printer contact probes is minimum when the chip contacts make contact with the printer contact probes, and therefore the printer contact probes are protected from damage, and production efficiency can be improved.

The invention discloses a high-thermal-conductivity ceramic substrate containing filling copper columns and a manufacturing process of the high-thermal-conductivity ceramic substrate. According to the high-thermal-conductivity ceramic substrate containing the filling copper columns, a plurality of through holes are formed in the ceramic substrate, the through holes are formed by performing penetrating and punching in the thickness direction of the ceramic substrate through ceramic wafers, the areas of upper hole openings and lower hole openings of the through holes are unequal, and the filling copper columns are arranged in the through holes. The manufacturing process of the high-thermal-conductivity ceramic substrate comprises the steps of (1) performing penetrating and punching in the thickness direction of the ceramic wafers, (2) sequentially sputtering buffer layers and conductive layers on the punched ceramic wafers, (3) performing electrocoppering, enabling the lower openings of the holes to be closed, obtaining blind holes, and (4) continuing to carry out electroplating, and enabling the blind holes to be filled. The areas of the upper hole openings and the lower hole openings of the through holes of the substrate are unequal, through holes are filled, the problem of filling of cylindrical holes can be solved, when the substrate is used for interconnection of a plurality of ceramic circuit boards, positioning and connection between the ceramic circuit boards are facilitated, and conduction of circuits on the upper side and the lower side is achieved.

The invention relates to a steel-concrete combined beam plate structure for a small bridge culvert, and belongs to the technical field of bridge engineering. The structure solves the problems that the connection of the existing bridge beam is complex and the sliding is easy to generate between concrete and a steel bridge faceplate. The structure adopts the technical schemes: the structure comprises a connecting seat, and a steel-concrete combined bridge culvert faceplate of which both ends are arranged above the connecting seat, wherein the structure of the steel-concrete combined bridge culvert faceplate comprises a steel bridge faceplate, more than two sets of U-shaped ribs which are arranged below the steel bridge faceplate in parallel along the axial direction; grooves matched with the U-shaped ribs are formed in the connecting seat. The structure has the beneficial effects that the steel-concrete combined bridge culvert faceplate is adopted, the grooves matched with the U-shaped ribs are formed in the connecting seat, so that the structure is simple, the weight is light, the mounting is convenient, and the mechanical property is good; the phenomenon of sliding or disengagement between the concrete and the steel bridge faceplate of a grid structure formed by steel nets and the steel bridge faceplate cannot be generated, so that the structure is particularly suitable for small bridge beams; anchoring holes which are connected with a bridge abutment or a cover beam are formed in the connecting seat, so that the positioning and the connection are convenient and fast, and the bridge culvert faceplate can be prevented from sliding to the ground.

The invention relates to the technical field of heating devices, in particular to a gas water heater face cover assembly and a gas water heater. The gas water heater face cover assembly comprises a face cover and a wire box, wherein the wire box comprises a box body and a display front shell, a mounting hole is formed in the face cover, and the size of the mounting hole is less than the size of the box body and the size of the display front shell; the display front shell is arranged on the front face of the face cover and is clamped to the edges of the mounting hole; and the box body is arranged on the back face of the face cover and is connected with the display front shell. By means of the clamping fit between the front shell and the surface cover and the connection between the box bodyand the display front shell, the positioning connection between the wire box and the face cover is facilitated, the assembly efficiency is improved, and then the production efficiency is improved.

The invention discloses a reinforced concrete pipe for a structure of a rotatablely excavated pile shell. The reinforced concrete pipe comprises a pipe body which internally comprises a plurality of longitudinal bars and a plurality of stirrups. The reinforced concrete pipe is characterized in that the connecting part(s) of two ends or one end of the pipe body are/is provided with a steel bar connecting structure for positioning two adjoining pipe bodies and connecting the two adjoining pipe bodies to form an integrated structure. According to the invention, two adjoining reinforced concrete pipes can be exactly positioned in a vertical direction; after concrete is poured into the reinforced concrete pipes, the steel bar connecting structures of the reinforced concrete pipes can be used for connecting and reinforcing the two adjoining reinforced concrete pipes; and a cylindrical section of the reinforced concrete pipe is arranged between the two adjoining pipe bodies, so that not only can the structural strength of the two adjoining reinforced concrete pipes after the concrete is poured into the pipe bodies be guaranteed, but also the upper reinforced concrete pipe and the lower reinforced concrete pipe can be more conveniently positioned and connected.

The invention discloses a simple detachable cable winding device. A bracket consists of a base, and support frames arranged at two ends of the base; semicircular grooves are formed in the tops of the support frames; cylindrical positioning blocks are arranged on two sides of a turntable, and are clamped in the grooves; the support frame on one side is provided with a motor bracket; a motor is arranged on the motor bracket; an output shaft of the motor is connected with an electric extension rod through a coupling; a positioning hole is formed in one of the two cylindrical positioning blocks near one side of the motor; the electric extension rod is detachably connected corresponding to the positioning hole; a hydraulic rod is vertically upwards arranged on the base; weight inductors are arranged in the grooves; controllers are arranged on the support frames; and the weight inductors respectively form control circuits with the hydraulic rod and the electric extension rod through the controllers. The simple detachable cable winding device is convenient to wind cables, can disassemble a turntable body, is convenient to transfer, and treats the surfaces of the cables.

The invention discloses a portable environment monitoring atmosphere collecting device which comprises a portable cylinder, a fixing rod is fixedly connected to the bottom of one end of the portable cylinder, a connecting hole is formed in the side face of one end of the fixing rod, a round rod is slidably installed on the side face of the connecting hole, and the surface of one end of the round rod is fixedly sleeved with a jacking spring. A mounting plate is fixedly connected to the surface of the other end of the round rod, a mounting threaded cylinder is fixedly connected to the side face of the mounting plate, an avoiding hole is formed in the surface of one end of a mounting threaded hole, a collecting bottle is mounted on the side face of the other end of the mounting threaded cylinder through a bottle opening thread, and a sealing rubber block is fixedly attached to the surface of one end of the bottle opening. And the surface of one side of the sealing rubber block is aligned to the side face of the avoiding through hole, an air pump is fixedly installed on the surface of one side of the portable cylinder, and a puncture needle cylinder is fixedly installed at an outlet in one end of the air pump, so that the use convenience and stability can be greatly improved, and the accuracy and high efficiency are guaranteed.

Disclosed is a proportion regulation device used for liquid mixing. The proportion regulation device comprises a plurality of proportion regulation single bodies with the same structure, wherein the proportion regulation single bodies are sequentially communicated. Liquid inlet valves of the proportion regulation single bodies are provided with liquid inlet channels and liquid outlet channels, wherein proportion regulation spraying nozzles are connected to the tail ends of the liquid outlet channels. Inlets of the liquid outlet channels are located in the liquid inlet channels and are sealed by an armature on a solenoid valve. Threads are formed in the left ends and the right ends of the liquid inlet valves respectively, and adjacent proportion regulation single bodies are communicated into a whole through connecting nuts matched with the threads in the liquid inlet valves. The proportion regulation spraying nozzles are provided with liquid mixing channels, a liquid mixing cavity is provided with a liquid distribution channel, a regulation hole is formed in the liquid distribution channel, and a regulation pin is installed in the regulation hole to adjust liquid mixing proportion. Because the proportion regulation single bodies have the same structure, only one set of production mold is needed, and manufacturing cost is reduced; the number of the proportion regulation single bodies can be adjusted according to actual needs, and assembling is simple.

The invention relates to a construction method for reinforcing a steel structure beam or a column. The beam or the column adopts basic shape steel. The construction method comprises the construction steps that firstly, four pieces of U-shaped channel steel are prepared, and the basic shape steel is composed of an upper flange, a lower flange and a web; secondly, the U-shaped channel steel is mounted, specifically, the four pieces of U-shaped channel steel are inserted into four corners of the upper flange and the lower flange correspondingly, arranged along the pass length of the basic shaped steel and fixed to the basic shaped steel, and hole channels for penetrating of prestressing tendons are formed between the U-shaped channel steel and the flanges; and thirdly, the prestressing tendons penetrate through the hole channels of the four corners of the basic shape steel to apply prestress. According to the construction method, the bending/pressing resistant bearing capacity and torsion resistant bearing capacity of the beam/column can be improved simultaneously, and a good effect on improving the torsion resistant bearing capacity of an edge column and an edge beam of a steel structure is achieved.

The invention discloses a high-efficiency and energy-saving aluminum profile frame module system for a display wall. The high-efficiency and energy-saving aluminum profile frame module system comprises a profile body, the profile body is provided with four surfaces a, b, c and d, two sets of positioning grooves are formed in one side of the profile body, inclined connecting grooves are formed in one sides of the positioning grooves, connecting positioning grooves are formed in one sides of the inclined connecting grooves, grooves are formed in one sides of the positioning grooves, connecting holes are formed in the inner walls of the grooves, penetrating holes are formed in one sides of the connecting holes, and the profile body is made of an aluminum alloy material. The two sets of positioning grooves are formed in the same face and symmetrically formed in the two sides of the grooves. According to the high-efficiency and energy-saving aluminum profile frame module system for the display wall, by arranging the inclined connecting grooves, the grooves, the positioning grooves, the connecting holes, the connecting positioning grooves and T-shaped bolt grooves, the purposes of being economical, environmentally friendly, easy and rapid to mount and dismount, stable in structure, capable of being recycled, easy to store and transport and capable of meeting the requirements of various exhibition stands can be achieved.

The invention discloses a combined background wall with a quick maintenance function. The combined background wall comprises a wall surface and wall bodies, wherein the two wall bodies are movably mounted on the inner wall of the wall surface, an opening and closing device is rotatably mounted on the inner wall of the wall surface, and four limiting devices for pressing, elastically clamping and positioning are symmetrically mounted on the inner wall of the wall surface and located at the corresponding positions of the wall bodies. According to the combined background wall with the quick maintenance function, the wall bodies can be opened and closed on the wall surface through the opening and closing device, the opening angles of the wall bodies on the wall surface are large, and under thecondition that it is guaranteed that the wall bodies are not disassembled, a user can conveniently conduct rapid and comprehensive maintenance on the wall bodies; and the limiting devices and positioning mechanisms achieve limiting and clamping connection of the wall bodies and the wall surface, the user can conveniently and rapidly open the wall bodies so as to comprehensively overhaul the wallbodies, the labor intensity of workers is reduced, time and labor are saved, the working efficiency of the user is improved, the use convenience and stability are improved, and the use safety is ensured.

The invention relates to the technical field of distribution wire pay-off, in particular to a pay-off device. The pay-off device comprises a connecting block, a center rod, first winding rods and second winding rods; the first end of the center rod is connected with the connecting block, and first connecting rods are arranged on the two sides of the connecting block; each first connecting rod is connected with the corresponding first winding rod, and each first winding rod is parallel to the center rod; a connecting ring is rotationally mounted on the center rod, and second connecting rods are arranged on the two sides of the connecting ring; each second connecting rod is connected with the corresponding second winding rod, and each second winding rod is parallel to the center rod; the distance between each second winding rod and the center rod is smaller than the distance between each first winding rod and the center rod. The technical problem of poor convenience in the prior art is effectively solved.

The invention discloses a valve device convenient to position and install. The valve device comprises a valve body, a fixing base, a flow dividing pipe, a supporting rod, an upper top plate, a top telescopic connecting rod, a positioning top plate, a fixing hole, a pipe bracket, a vertical connecting rod, a positioning side plate, a transverse connecting rod, a lower bottom plate, a bottom telescopic connecting rod and a bottom supporting plate. The beneficial effects are that the water passing valve is easy to fix and install, it is convenient to determine the positioning point of the valve, the positioning efficiency of the water passing valve is effectively improved, the connecting difficulty of a pipeline and the valve is reduced, and the working efficiency of an external pipeline of the water passing valve is effectively improved.