36results about How to "Reduce fit area" patented technology

The invention provides a mould for manufacturing a glass container, belonging to the technical field of a glass mould. The mould comprises a pair of bottle half modules, wherein each bottle half module is provided with a joint close surface and a bottle mould chamber composed of a bottleneck chamber, a neck shoulder chamber, a bottle body chamber and a bottle bottom chamber; the joint close surface comprises a bottle opening matching region located at the chamber opening part of the bottleneck chamber, a middle matching region corresponding to the chamber opening part of the bottle body chamber, a bottle bottom matching region corresponding to the chamber opening part of the bottle bottom chamber, and a peripheral matching region located at the outer side of the middle matching region. The mould is characterized in that: the planes of the bottle opening matching region and the bottle bottom matching region are located at the same height, the plane of the middle matching region is lower than the plane of the bottle opening matching region, and the plane of the peripheral matching region is lower than the middle matching region. The mould provided by the invention has the advantages that: a matching area of the matching surface is reduced, the deformation amount of the mould in a work process is compensated, the production efficiency is improved, the service life is prolonged, and the resource is saved.

The invention discloses a mobile protector for substation maintenance. The mobile protector comprises a movable travelling support. A U-shaped ring is disposed on the travelling support. Two sides of the travelling support are provided with mounting platforms. A locking bar is disposed on each mounting platform. The travelling support comprises a steel angle. Two sides of the steel angle are provided with sliding arms. The middle of each sliding arm is provided with a sheave. The mounting platforms are horizontally arranged and integrated with the sliding arms. Each locking bar is L shaped and formed by welding a horizontal round bar and a vertical round bar, wherein the vertical round bar is sleeved with a torsion spring. Two ropes can be hung on the mobile protector; the mobile protector can slide over an elevated frame of a substation with personnel and is firmly attached to the elevated frame; during moving of the mobile protector, workers on the elevated frame are protected by the two ropes and the protector constantly; accordingly, the mobile protector is well practicable, small in size, light in weight, convenient to carry and convenient to mount and use, and work efficiency can be higher.

The invention discloses a combined relay based on a double-miniature PCB relay. The combined relay comprises two relays which are the same in structure and do not comprise shells. Each relay comprisesa base, and a coil lead-out pin, a movable spring lead-out pin and a static spring lead-out pin which are distributed on the base; a groove and a protruding block are arranged on one side edge of thebase in the length direction at equal intervals and located on the two sides of a median line corresponding to the length of the base respectively, when two relays are spliced, one relay is rotated by 180 degrees and then is paired with the other relay, and the grooves and the protruding blocks of the two relays are matched in an oppositely-inserted mode respectively. According to the invention,the safe distance between the static spring lead-out pins and the safe distance between the movable spring lead-out pins of the two relays can be effectively ensured by adopting one mold, so that thepurposes of simplifying the manufacturing process and reducing the manufacturing cost are achieved; and a complex limiting structure does not need to be arranged on the shell, so that the structure ofthe shell is simplified, and the miniaturization of the product is realized.

The invention particularly relates to a boiler capable of rapidly sampling. The boiler is provided with a feeding hole, a discharging hole and a heating unit, wherein a sampling device is arranged at the part, close to the bottom, of a side wall of the boiler; a sampling cavity is communicated with the inner part of the boiler; and a sampling hole of the sampling device can slide or rotate between the outer part and the inner part of the boiler. Part of a slide cavity is communicated with the outside through a ventilation channel; a first sealing ring is arranged at the part, close to the sampling cavity, of the head of the slide cavity; a second sealing ring and a third sealing ring are arranged at the part, close to the sampling cavity, of the tail part of the slide cavity; the axial distance between the second sealing ring and the third sealing ring is greater than the width of the sampling hole; and the sampling cavity is separated from the slide cavity through the first sealing ring, and the sampling cavity is separated from the outside through the second sealing ring and the third sealing ring. A first blind hole and a second blind hole are formed in the front and tail ends of a sampling rod respectively; and the sampling hole is separated from the first blind hole and the second blind hole. The design of the blind holes in the sampling rod is adopted, so that the sealing effect of the sealing rings is improved and the service life of the sealing rings is prolonged; and the two sealing rings with small linear diameters are adopted so that the tensile force or thrust in a sampling process can be reduced and the sampling speed is accelerated.

The invention discloses a miniaturized PCB relay. The relay comprises an iron core, an armature, a movable reed, a static spring normally open end and a static spring normally closed end. wherein a root part of a swingable part of the movable contact spring is fixed in one surface of the armature, and the other surface of the armature and the pole surface of the iron core are positioned at a corresponding matching position; a movable contact is arranged at the tail end of the swinging part of the movable contact spring and is respectively matched between the normally open end of the static spring and the normally closed end of the static spring; and in one surface of the armature, a groove is arranged between a fixed position corresponding to the root part of the swinging part of the movable contact spring and the movable contact of the movable contact spring and corresponds to the position of the pole surface of the iron core. According to the relay, the weight of the armature can bereduced on the basis of ensuring the effective magnetic conduction area of the armature so as to avoid the shaking problem generated when the normally open end contact is closed, and the pressure of the normally closed end contact can also be ensured so as to ensure stability of relay parameters.

The invention relates to a boiler capable of achieving quick sampling. The boiler is provided with a material inlet, a material outlet and a heating unit, the side wall of the boiler is provided with a sampler, and a sampling hole is communicated with the interior of the boiler and can slide or rotate between the exterior and the interior of the boiler. The sampler is provided with a cover which is detachably matched with a base in a closed type, the cover is coaxially provided with a containing cavity for containing a sampling rod, and when the sampling rod is located at an inserting position, the joint of the cover and the base is located between a first groove and a limit part; the head of the base is provided with a first sunk hole, and the diameter of the first sunk hole is larger than that of a first through hole, so that a stepped surface is formed; the head of the sampling rod is detachably provided with the limit part, and when the limit part is matched with the stepped surface of the base, the sampling hole is located outside the base. A base body is split into the base and the cover, the axial processing length of the base is decreased, and therefore the processing difficulty is reduced; the limit part is arranged at the head end of the sampling rod, the axial size of the base and the axial size of the sampling rod are both decreased, and therefore the materials are saved.

The invention relates to a neck mould capable of exhausting. The neck mould consists of a male mould and a female mould. Joint surfaces on the male neck mould and the female neck mould are arranged along exteriors of the two sides of a moulding cavity and are protruded from a plane portion. A gas guiding groove is vertically arranged on each joint surface. A plurality of transversally-arranged exhausting grooves A are disposed on joint surface portions on the two sides of each gas guiding groove. The gas guiding groove communicates an interior of a bottle neck cavity with external air through the exhausting groove A. A plurality of exhausting grooves B are arranged on an upper end surface of the neck mould and enables the interior of the bottle neck cavity to be communicated with the external air. Compared with a neck mould in the prior art, phenomena that a bottle neck is not round in shape and material jump and material deviation of a glass material can be avoided through arrangement of the gas guiding groove and the exhausting grooves A on the joint surfaces and arrangement of the plurality of exhausting grooves B on the upper end surface so that production quality and production efficiency of glass bottles are increased. Meanwhile, by means of arrangement of the joint surfaces, a match area of joint surfaces and a match tolerance in the prior art are reduced. The joint surfaces are manufactured in a manner of being protruded from the plane portion so that a clearance is provided for enabling gas to be exhausted to the exterior through the exhausting groove A.

The invention relates to a neck mould being beneficial to exhausting. The neck mould consists of a male mould and a female mould. Joint surfaces on the male neck mould and the female neck mould are protruded from a plane portion. A gas guiding groove is vertically arranged on each joint surface. A plurality of transversally-arranged exhausting grooves A are disposed on joint surface portions on the two sides of each gas guiding groove. The gas guiding groove communicates an interior of a bottle neck cavity with external air through the exhausting groove A. A neck ring is arranged on and matched with the neck mould, wherein a clearance is formed between the neck ring and a joint line on the neck mould which is corresponding to the neck ring. Compared with a neck mould in the prior art, phenomena that bottle necks are not round in shape and are not uniform in sizes can be avoided through arrangement of the gas guiding groove and the exhausting grooves A on the joint surfaces and the clearance formed between the neck mould and the neck ring so that production quality and production efficiency of glass bottles are increased. Meanwhile, by means of arrangement of the joint surfaces, a match area of joint surfaces and a match tolerance in the prior art are reduced. The joint surfaces are manufactured in a manner of being higher than the plane portion so that a clearance is provided for enabling gas to be exhausted to the exterior through the exhausting groove A.

The invention relates to a design method of a quick sampling boiler. The design method is characterized in that: the quick sampling boiler comprises a feed inlet, a feed outlet and a heating unit; a sampler is arranged on the side wall of the boiler; a sampling chamber is communicated with the interior of the boiler; a sampling hole of the sampler can slide or rotate between the outer part and inner part of the boiler; a first seal ring is arranged at the part, near the sampling chamber, of the head part of a sliding chamber of a base; a second seal ring and a third seal ring are arranged at the parts, near the sampling chamber, of the tail part of the sliding chamber of the base; the distance between the second seal ring and the third seal ring is larger than the width of the sampling hole; the sampling chamber is isolated from the sliding chamber through the first seal ring; the sealing chamber is isolated from the external air through the second seal ring and the third seal ring; a first blind hole is formed in the head end of a sampling rod, and a second blind hole is formed in the tail end of the sampling rod; the sampling hole is isolated from the first blind hole and the second blind hole; the first blind hole and the second blind hole are communicated through a ventilation channel. According to the design method, the sealing effect of the seal rings is improved and the service life of the seal rings is prolonged through the design of the blind holes; the two seal rings with a small wire diameter are adopted, so that the tensile force or thrust during sampling is decreased, and the sampling speed is increased.