32results about How to "Increased ease of assembly" patented technology

The invention relates to a stepped oblique flow spiral baffle plate heat exchanger. A plurality of groups of spiral periodic baffle plate groups are arranged in the shell; each spiral periodic baffleplate group comprises a plurality of oblique flow curved surface baffle plates which are spirally arranged in the circumferential direction and have different phases; a certain inclination angle is formed between the inclined flow curved surface baffle plate and the cross section of the shell; every two adjacent oblique flow curved surface baffle plates in the shell are connected with a baffle plate through two adjacent straight edges located on the corresponding oblique flow curved surface baffle plate to form a step shape. The oblique flow curved surface baffle plates with the same phase inthe shell form an oblique flow curved surface baffle plate group, wherein the oblique flow curved surface baffle plate group in the same group is supported by a plurality of pull rods, and the pull rods are fixedly connected with the tube plate. The stepped oblique flow spiral baffle plate heat exchanger is easy to machine and assemble, low in cost and capable of avoiding flow leakage of a triangular area between two connected baffle plates.

A rotary clamping jaw type valve includes a valve body, an inner cylinder, a rotary cover, a clamping jaw, a bundle ring, an ejector pin, a spring and an action ring. The valve body is provided with a containing chamber with the top and the bottom being through; the inner cylinder is placed in the containing chamber of the valve body and axially provided with an axial hole in a penetrating mode; the rotary cover is rotatably combined with one end of the inner cylinder and located at the top end of the valve body; an indicating area is arranged at one end of the rotary cover, and the other end of the rotating cover is provided with a containing groove extending inwards, two pressing walls and two sliding grooves, wherein the two pressing walls are located on the two opposite sides of the containing groove, and the two sliding grooves are located in the other two opposite sides of the containing groove; a ring part is arranged at one end of the clamping jaw, and a plurality of claw parts are annularly arranged at the other end of the clamping jaw; the bundle ring has the elastic deformation capacity and is placed in the clamping jaw; the ejector pin is placed in the axial hole of the inner cylinder, and two convex wings are arranged on the two opposite sides of the ejector pin; the spring is placed in the containing groove of the rotary cover and abuts against one end of the ejector pin; and the action ring is combined at the bottom end of the valve body, and an annular flange is arranged on the inner peripheral face of the action ring. The rotary clamping jaw type valve is more convenient to operate, low in manufacturing cost, easy to assemble, and capable of promoting the clamping force to an American valve and a French valve.

The invention discloses an integrated water line structure of a water purifier. The integrated water line structure comprises a plurality of filtering valve head assemblies, wherein the filtering valve head assemblies are mutually connected and are communicated by hollow connecting pipes; a connecting head coats the outer side of each connecting pipe, so as to form an integrated water line. The integrated water line structure has the advantage that while the probability of water leakage is decreased in the daily use process, the integrity of a product is improved, and the assembly property inthe production process is easier.

A connector and its manufacturing methods. The connector includes a metal conductive terminal, a low melting point metal substance and an insulation casing; one end of the metal conductive terminal bends to form a vertical slotted C-type portion in order to accommodate a wire to insert, another end is used to connect the external conductive junction point; the low melting point metal substance istabled in the vertical slot of the C-type portion and the insulation casing is coverd on the outside of the C-type portion and the low melting point metal substance; When heating up the low melting point metal substance and the insulation casing, the low melting point metal substance is melted to connect with the C-type portion and the wire conductive core in the C-type portion, while the insulation casing properly contracts to coat the metallic conductive terminals and the wires, in order to complete the combination of the connector and the wire.

The invention relates to a coupling device between a fluid reservoir (10) and a master brake cylinder, wherein two coupling arms (34, 36) each having a coupling opening (38, 40) are arranged on one of the parts , and on the other part is arranged a mounting part (12) with a receiving hole (42), the two coupling arms (34, 36) are engaged on the mounting part (12) such that the coupling opening (38, 40) and said receiving hole (42) are aligned relative to each other along a common axis (A), wherein in order to couple said mounting part (12) to said two coupling arms, a The coupling pin (46) is inserted into the opening (38, 40) and said receiving hole (42), and is fixed relative to at least one coupling arm (34, 36) or said mounting portion (12), wherein said The coupling pin (46) is formed with a cylindrical shank and at least one radially protruding locking protrusion (48).

The invention discloses a vehicle parking brake switch assembly. The vehicle parking brake switch assembly comprises a mounting body part, a facing body part and an operation rod, wherein the mounting body part is inserted into a vehicle center control seat and is internally provided with a printed circuit board of a vehicle master controller; the facing body part is mounted on the upper end of the mounting body part in a joint manner and is provided with an operation groove part; fingers of an operator can be inserted into the operation groove part; the facing body part is provided with a hinge protruding part; the operation rod is provided with a hinge inserting opening which serves as a rotation center; the operation rod is rotationally installed in the operation groove part of the facing body part; a specific curvature radiused circular part is arranged between the base surface for starting protruding and the peripheral surface of the hinge protruding part on the hinge protruding part. Through the adoption of the design of the circular part of the switch assembly, the resistance to rigid abrasion of the hinge protruding part is improved; the switch assembly is effectively suitable for driver habits with different switch operation forces; meanwhile, the simplicity and convenience in assembly of the operation rod are improved.

The invention discloses a prefabricated wall for large space, a room structure and a construction method. The wall includes semi-cylindrical steel tubes, cylindrical steel tubes and at least one wallunit fixed between two adjacent cylindrical steel tubes or between the adjacent semi-cylindrical steel tubes and cylindrical steel tubes. Each wall unit includes two layers of wallboards. The positionbetween the wallboards is filled with an elastic material that is heat insulated and sound insulated. Two connecting pieces facing each other are fixed to the two ends of the position between the wallboards. At least one C-shaped keel is fixed between the two connecting pieces. The central part of a middle plate of the connecting pieces is an arc-shaped structure. The arc-shaped structure in theconnecting pieces in each wall unit matches and is engaged with the semi-cylindrical steel tubes and the cylindrical steel tubes. According to the invention, the semi-cylindrical steel tubes and the cylindrical steel tubes are used and an upper end cantilever manner is adopted, and so the mass-produced wall units are assembled to form a large space internal partition wall. Therefore, the construction is rapid and convenient, the disassembly is convenient, and the assembly simplicity of the large space internal partition wall is improved.

The invention discloses a cordwood rail group, comprising more than two opened rails and more than one rail connectors. The opened rails are respectively provided with two arc convex surfaces which are arranged on the top surface and are defined by a groove channel and at least two supporting and embedded columns which are arranged at the two ends thereof. The rail connector is provided with the two arc convex surfaces which are arranged on the top surface and are defined by the groove channel and at least two embedded holes which are arranged at the two ends and are respectively embedded with embedded columns of the adjacent opened rails. Therefore, the adjacent opened rails passes through the rail connectors and are embedded into one body under the condition without special joint direction.

The invention provides unit-type electronic equipment which is composed of a main unit and multiple subunits and allows reduction of hardware composition elements, simplification of software, and improvement of assembling easiness. The unit-type electronic equipment comprises the multiple subunits (3...). The multiple subunits are all subordinate units having micro computers (8...) which collect and store measured amounts, and individual voltage setting parts (14...) which output individual voltages. The output voltages of all the individual voltage setting parts of the multiple subunits are mutually different voltage levels (V14...), and the output voltages of the different voltage levels are detected by a micro computer (7) of the main unit. Based on the output voltages of the different voltage levels, the micro computer of the main unit identifies the respective types of the multiple subunits.