35results about How to "Effective waterproof and dustproof" patented technology

The invention relates to a seal ring and a lamp using the same. The seal ring comprises a column part in the axial direction; the middle part of the column body is penetrated to form an inner circumference surface of the seal ring; the outer circumference surface of the column body depresses internally to form a groove; and the inner circumference surface and the bottom surface of the groove are both sealing surfaces of the seal ring. According to the invention, the outer circumference surface of the column part of the seal ring depresses to form the groove, the middle part of the column part is penetrated to form the inner circumference surface of the seal ring, the inner circumference surface and the bottom surface of the groove are two sealing surfaces of the seal rings, external force is respectively applied to the two sealing surfaces at the connection part between a cable and a shell, so that the seal ring is stressed from two surfaces, and thus sealing pressure is uniform, sealing performance is favorable, protection performance is stable, and a favorable sealing effect is achieved; and the seal ring can be used for effectively preventing water and dust and plays a favorable protection role in the lamp.

The invention relates to a seal ring and a lamp using the same. The seal ring comprises a cylinder part and a circular truncated cone part along the axial direction, wherein the circular truncated cone part extends in the manner of closure front one end of the cylinder part along the axial direction; the middle parts of the cylinder part and the circular truncated cone part are respectively penetrated to form the inner circumferential face of the seal ring; and the inner circumferential face, the end face of the other end of the cylinder part and the outer side face of the circular truncated cone part are respectively the seal face of the seal ring. The seal ring is provided with the cylinder part and the circular truncated cone part; the middle parts of the cylinder part and the circular truncated cone part are penetrated to form the inner circumferential face of the seal ring; the inner circumferential face, the end face of the other end of the cylinder part and the outer side face of the circular truncated cone part are the three seal faces of the seal ring; at the joint of a cable and a shell, external forces are respectively applied to the three seal faces, and the three faces are stressed; the seal pressure is even; the seal performance is good, and the protection performance is stable, thereby, a good seal effect is performed, water and dust are effectively prevented, and the lamp is protected well.

The invention discloses a method for making acrylic advertising characters or patterns, which belongs to the technical field of advertising. It is an acrylic advertising letter made of resin as the main material and auxiliary materials such as color, and then made by hand, pouring the surface layer, light guide layer, and bottom layer. It has the characteristics of smooth surface and bright colors. The surface of the characters and the base of the bottom are combined into one body, and the materials are consistent. It has all the functions of acrylic characters on the market today. The invention can also be used to produce various billboards, advertisement signs, whole-body luminous objects, handicrafts, mascots, etc., and can produce various color, color-registered, color-changing advertisement characters and other advertising materials according to the needs of users.

The invention discloses an outdoor compact type intelligent transformer station in the technical field of transformer stations. The transformer station includes two sets of telegraph poles; a trianglerack is welded between the bottoms of the two sets of the telegraph poles; the top of the triangle rack is in bolt joint with a case body; the left side on the top of the case body is in fixed clamping connection with a lightning arrester, and the right side on the top of the case body is in clamping connection with a wire inlet cable pipe sleeve through a penetrating manner; the tops of the twosets of the telegraph poles are in bolt joint with holt hoop irons; a cross arm is in bolt joint between the two sets of the holt hoop irons; the top of the inner cavity of the case body is in clamping connection with a wire box; and the right side of a box cover on the top of the wire box communicates with the bottom of the wire inlet cable pipe sleeve. An electric appliance can be placed in theinner cavity of the case body, and can be ordered through grating meshes and hole plates; cables can pierce out from a through hole of the cross arm, enter in the inner cavity of the case body from the wire inlet cable pipe sleeve, enter the wire box from the bottom of the wire inlet cable pipe sleeve and pierce out through the wire hole at the bottom of the wire box, so that the cables can be prevented from being randomly distributed in the case body; and convenient wire routing can be realized through the grating meshes and the hole plates, and the transformer station is compact in structure.

The invention provides a compass array display device capable of facilitating production and assembly, displaying on double sides and preventing water and dust witch rich color. The invention adopts the technical scheme that: an electromagnet and a control circuit are arranged in a hollow box formed by connecting a main support plate, a secondary support plate and a rim; the electromagnet and the control circuit are covered by using a filler; positioning fasteners are arranged on the front of the main support plate and the back of the secondary support plate; a compass is fixed in a compass frame; a transparent panel is arranged on the outer lateral surface of the compass frame; multi-color bodies arranged in an array can be wrapped by using an integral transparent shell; a magnet arranged on the main support plate realizes connection of the secondary support plate or a support frame made of steel; and a plurality of compass display unit arrays consisting of 2 to 5 compasses and the electromagnet are arranged on the main support plate, and the surface colors of the multi-color bodies in the compasses comprise cyan, magenta, yellow and white.

The invention discloses a straight-stroke support which comprises an upper flange, a lower flange, a sleeve part and a driving walking part. The driving walking part comprises a driving sleeve, a main shaft, a fixing ring, a straight walking rod and a connecting end cover. The driving sleeve and the main shaft are connected in a thread mode. The driving sleeve is made of copper. The driving sleeve is fixed in the straight walking rod through threads. The driving walking part further comprises a pressing cover, a limiting ring, a pressing ring, a driving sleeve pressing block and a thrust ball bearing. The pressing cover, the limiting ring, the pressing ring and the driving sleeve pressing block are all made of cast iron STSi5R. According to the straight-stroke support, a valve and an actuator can be effectively connected, circle rotating is converted into straight line walking, gas etching, acid etching, water erosion and oxidation can be effectively avoided, vibration and noise are low, attractiveness and safety are achieved, environment is protected, and adaptability is high.

The invention relates to a protective structure for a charging interface and an electronic device, wherein the protective structure for the charging interface includes a charging plug, a casing, a first door and a second door, the charging plug includes an insertion part and a hand-held part, and a magnetic unit is arranged in the hand-held part; A charging socket for receiving the insertion part is formed on the casing, a first magnetic part is provided on the first door, a second magnetic part is provided on the second door, opposite ends of the first magnetic part and the second magnetic part have opposite polarities ; When the insertion part is close to the charging socket, the magnetic unit generates a repulsive force with the first magnetic part and the second magnetic part respectively, so that the first door and the second door face away from each other to expose the charging socket. When the insertion part is far away from the charging socket, The first door and the second door are attracted toward each other to cover the charging socket. The invention is used to realize the protection function of the charging interface of the electronic equipment and improve the safety and reliability of the electronic equipment.

The invention relates to a seal ring and a lamp using the same. The seal ring comprises a cylinder part and a circular truncated cone part along the axial direction, wherein the circular truncated cone part extends in the manner of closure front one end of the cylinder part along the axial direction; the middle parts of the cylinder part and the circular truncated cone part are respectively penetrated to form the inner circumferential face of the seal ring; and the inner circumferential face, the end face of the other end of the cylinder part and the outer side face of the circular truncated cone part are respectively the seal face of the seal ring. The seal ring is provided with the cylinder part and the circular truncated cone part; the middle parts of the cylinder part and the circular truncated cone part are penetrated to form the inner circumferential face of the seal ring; the inner circumferential face, the end face of the other end of the cylinder part and the outer side face of the circular truncated cone part are the three seal faces of the seal ring; at the joint of a cable and a shell, external forces are respectively applied to the three seal faces, and the three faces are stressed; the seal pressure is even; the seal performance is good, and the protection performance is stable, thereby, a good seal effect is performed, water and dust are effectively prevented, and the lamp is protected well.

The invention discloses an electric meter box with waterproof and dustproof functions. The invention has the advantages of simple structure and convenient use. The filter screen can effectively prevent dust, insects and flies from entering the electric meter box, thereby avoiding damage to the electrical equipment in the electric meter box. Unnecessary losses, the installation of desiccant can keep the interior dry, and the installation of multiple structures can effectively prevent water and dust, and can ensure the safety of electrical components in the meter box while effectively dissipating heat; It improves installation convenience, shock absorption effect and sealing effect; in addition, arc strips are formed on the inside of the bottom of the sealing body, which improves the sealing performance, can ensure waterproof and dustproof, and beautifies the appearance; the waterproof membrane of the present invention has the characteristics of non-toxic, non-toxic The advantages of pollution, long service life, especially the continuous antibacterial ability, can inhibit the growth of bacteria and fungi, ensure environmental sanitation and have super high waterproof performance.