34results about How to "Difficult to contact directly" patented technology

Provided is a terminal (1) for connectors which is capable of having improved corrosion resistance even in cases where a metal base material (21) is composed of Fe or a Fe-based alloy. This terminal (1) is configured of a terminal material (2) that has a plating film (22) on the surface of the metal base material (21). The metal base material (21) is composed of Fe or a Fe-based alloy. The terminal (1) has a base material exposed part (3) where the metal base material (21) is exposed and a coating film (4) that is composed of rust preventive oil covering the surface of the base material exposed part (3). The base material exposed part (3) is configured to be present in a punched fracture surface (31) that is formed by punching the terminal material (2) and / or in a bent part (32) that is formed by bending the terminal material (2).

The invention relates to a connecting structure for a marble pillar trim strip and furniture. The connecting structure for the marble pillar trim strip and the furniture comprises a plate type pillar body assembled to furniture to be connected; two grooves with circular-arc-shaped parallel sections are formed in the left and right sides of an inner surface of a pillar body; the radian of each groove is greater than 180 degrees; the connecting structure further comprises inserting parts which are in inserting march with the grooves; the inserting parts are arranged on the furniture to be connected and the inserting part corresponding to each groove is arranged on one straight line; each inserting part comprises a strip-shaped base plate; two surrounding elastic clamping sections are symmetrically arranged at the left and right ends of each strip-shaped base plate; a certain distance is formed between free ends of the two elastic clamping sections; a mounting hole is formed in the middle of each strip-shaped base plate; the inserting parts are assembled on the furniture by the mounting holes; the inserting parts are arranged into the grooves in an interference inserting manner. By adopting the connecting structure, the furniture can be connected by inserting and damages to the previous furniture are avoided; the furniture is convenient and rapid to mount and replace.

The invention discloses a MEG / Si / C composite negative electrode material for lithium ion batteries and a preparation method thereof. The composite negative electrode material comprises the following components in mass fractions: 2-20% of nano silicon powder, 1%-3% of surfactant % and carbon source 10~30%, and the balance is micro-expanded graphite. Micro-expanded graphite was prepared by chemical oxidation intercalation method and low-temperature thermal expansion technology, and then micro-expanded graphite / silicon / carbon (MEG / Si / C) composite negative electrode materials for lithium-ion batteries were prepared by mechanical ball milling and high-temperature carbonization. The invention not only effectively relieves the volume expansion and contraction effect of graphite intercalation / delithiation, but also increases lithium intercalation / delithiation channels, which is beneficial to high-current charging and discharging, and ensures proper volume energy density and coulombic efficiency of the negative electrode material. The specific capacity of the first discharge can reach 857.9 mAh / g, which has large specific capacity, good rate performance and stable electrode cycle. The preparation method of the invention has simple process flow, simple and easy-to-obtain raw materials, low cost, and is easy for large-scale production.

The invention discloses a quick electric heating faucet in order to overcome the defects that an electric heating element of an existing electric heating faucet directly makes contact with water flow and accordingly the safety hidden hazard of electric leakage exists in the use process, the water flow heating effect is not good, and power consumption is large. The quick electric faucet comprises a connection body on the upper portion and a heating body on the lower portion. The connection body is provided with a switch lever and a water pipe connector. A heating mechanism is connected to the side wall of the heating body and comprises a heating pipe, an air guide pipe and an electric heating pipe. The electric heating pipe is installed in the vertical heating pipe, the lower end of the air guide pipe is connected to the upper end of the heating pipe, the upper end of the air guide pipe is communicated with the heating body, and the air guide pipe is obliquely arranged towards the heating body from bottom to top. A water flow refining mechanism is disposed between the connection body and the heating body. A water outlet is formed in the lower end of the heating body. Water flow flowing out of a water outlet of the faucet of the structure is not likely to make direct contact with the heating mechanism, so that absolute insulation is achieved, the electric leakage risk is small, the water flow heating effect is good, temperature can be raised quickly, and power consumption is low.

The invention discloses an electromagnetic block for an electromagnetic device. The electromagnetic block is composed of an iron-based amorphous alloy composite material, wherein the alloy composition of the iron-based amorphous alloy composite material is: FeaGabYcVdZrxCoyBz, wherein a, b, c, d, x, y, z are atomic percentages, 80≤a≤84, 5≤b≤7, the value of c is 0 or 2, 0≤d≤3, 0≤x≤2.01, 9≤Co≤11, 3 ≤z≤5. The electromagnetic block used for the electromagnetic device of the present invention has excellent electromagnetic performance and corrosion resistance, can effectively solve the problem of insufficient electromagnetic performance of the existing electromagnetic block, and has low and excellent corrosion resistance, which can prevent the attenuation of the electromagnetic performance of the electromagnetic block and reduce the energy consumption of electromagnetic devices.

A surface treatment apparatus 100 includes a diluent gas supplier 1, a fluorine gas supplier 2, a mixer 5 which mixes a diluent gas with a fluorine gas, and a reactor 6 which treats a treatment target by using a mixed gas generated by the mixer 5. A diluent gas supplied from a diluent gas supplier is heated by a heater 8, and the heated diluent gas is mixed with a fluorine gas supplied from a fluorine gas supplier, in the mixer 5. The mixed gas is supplied to the reactor 6. The gas in the reactor 6 is supplied from the reactor 6 to flow paths 219, 220, 221, and 222 by an exhauster 207. The valves 223, 224, 225, and 226 are serially opened, so that the gas in the reactor 6 is supplied to a harm removal apparatus 208 while the gas flow rate is being adjusted by the flow paths 219, 220, 221, and 222.

The invention relates to the technical field of smart phones. The existing smart phones have the functions of taking pictures, surfing the Internet, NFC and even face recognition, and are necessary technological products for modern people. The present invention provides a protective mobile phone case and a mobile phone with it, which includes a protective case for limiting the touch screen and a rear cover stacked with the protective case; the inner side of the protective case is formed for installation The accommodating cavity for the battery and the motherboard, the inner edge of the protective case is provided with a stepped groove for abutting against the edge of the touch screen, and the side wall protrudes beyond the touch screen at the upper edge of the stepped groove. The invention combines the anti-fall mobile phone shell with the mobile phone, and has the effect that the touch screen of the mobile phone is not easy to break.

The invention relates to a preparation method of 4-methyl-5-ethoxyxazole, a key intermediate of vitamin B6, and belongs to the technical field of preparation of raw materials. The preparation method of 4-methyl-5-ethoxyxazole described in the present invention, first in the hydrolysis reaction kettle, drop into 4-methyl-5-ethoxyl-1,3-oxazole-2 sequentially in a certain proportion ‑Ethyl carboxylate, toluene, drinking water and sodium hydroxide, stir and keep warm for reaction; separate liquid, use hydrochloric acid to adjust the pH value of the aqueous phase in the range of 1.0‑2.5; add organic solvent to the system obtained in the second step, 30‑50 °C Control the temperature and react until no carbon dioxide is released; after decarboxylation, adjust the pH value to ≥9.0, separate the liquids, and distill the organic phase under reduced pressure to obtain the intermediate 4-methyl-5-ethoxyoxazole. The technological operation is simple and safe, and the industrial production is easy.

The invention discloses an access control device based on face recognition technology and a method of use thereof. In the field of access control, an access control device based on face recognition technology and a method of use thereof can be used by people with relatively low facial heights. Pulling the handle drives the screen of the facial recognition device to move toward the user's face to complete face recognition. Compared with the existing technology, the maintenance process of the electric slideway is avoided, the cost investment is reduced, and the bending angle of the double-layer bending rod is too large At the same time, the oil outlet end and the bending part of the inner elastic strut are in contact with each other, so that the fixed-point segmented ring at the center line of the double-layer bending rod is stressed and then the double-layer air-sealing bag is squeezed, so that the lubricating oil in it moves along the double-layer The surface of the air-sealing bag overflows and contacts with the center line of the inner elastic strut, achieving the effect of lubricating and maintaining the bending point at a fixed point, thus effectively protecting the bending point of the inner elastic strut from aging and cracking due to bending , effectively reducing the maintenance frequency of the double-layer bending rod.

The present invention provides a waterproof electronic equipment unit that is mounted and fixed on a mounted surface having a mounting flat portion and a recessed portion, and effectively utilizes the recessed portion to achieve miniaturization. The circuit substrate (130) equipped with the connecting shell (131) is airtightly stored in the casing composed of the base (110) and the cover plate (120). The base (110) includes: fixed to the installation plane part (201) ) of a plurality of mounting feet (111c); the base recessed portion (114) arranged in the mounting surface recessed portion (202); Corresponding air inlets (116), connection shells (131) and high components (134) are arranged in the recessed portion of the base (114).