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

The invention relates to a design method of a quick sampler used in a boiler, which comprises providing a base body and a sampling rod, so that the sampling rod and the base body can be slidingly or rotatably matched in a closed manner; it is characterized in that the head of the sliding cavity of the base body is close to the sampling cavity. Set the first sealing ring, and set the second and third sealing rings at the end of the sliding cavity of the base body near the sampling cavity, so that the axial distance between the second and third sealing rings is greater than the width of the sampling hole, and the first sealing ring The sampling cavity is isolated from the sliding cavity, and the sampling cavity is isolated from the outside atmosphere through the second and third sealing rings. A first blind hole is set at the head end of the sampling rod, and a second blind hole is set at the tail end of the sampling rod, so that the sampling hole is isolated from the first blind hole and the second blind hole, and the first blind hole and the second blind hole are separated by the ventilation channel. Blind vias are connected. The blind hole design on the sampling rod improves the sealing effect and service life of the sealing ring. The use of two small diameter sealing rings can reduce the pulling force or pushing force during sampling and improve the sampling speed.

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 fast sampler used on a boiler. The fast sampler comprises a matrix and a thief rod which are in closed sliding or running fit. Part of a sliding cavity is communicated with the outside air through a ventilating channel. The fast sampler is characterized in that the head part of the matrix's sliding cavity, close to a sampling cavity, is provided with a first seal ring; the tail part of the matrix's sliding cavity, close to the sampling cavity, is equipped with second and third seal rings; axial distance between the second seal ring and the third seal ring is greater than width of a thief hole in the axial direction of the thief rod; the sampling cavity is isolated from the sliding cavity through the first seal ring; the sampling cavity is isolated from the outside air through the second and third seal rings; the head end of the thief rod is coaxially provided with a first blind hole; the tail end of the thief rod is coaxially provided with a second blind hole; and the thief hole is isolated from the first and second blind holes. By the design of the blind holes in the thief rod, sealing effect of the seal rings is enhanced and service life of the seal rings is prolonged. By the adoption of the two seal rings with small wire diameter, pulling force or thrust during sampling can be reduced, and user experience is improved.

The invention relates to a method for making a neck mold capable of exhausting. The method comprises the following steps: (1) milling a plane part to be lower than joint-closing surfaces which are arranged at the outer edges along both sides of a cavity; (2) milling a longitudinally arranged gas guide groove on each of joint-closing surfaces; (3) milling transversely arranged air exhaust grooves A on joint-closing surfaces located at both sides of each gas guide groove and (4) milling at a joint-closing line of the neck mold corresponding to a neck ring. Compared with the prior art, by arranging the gas guide grooves and the air exhaust grooves A on the joint-closing surfaces and reserving a gap between the neck mold and the neck ring, the phenomena that the bottle neck is not round, the size is not uniform and the like are avoided, the production quality and the production efficiency of the glass bottle are improved; and meanwhile, by arranging the joint-closing surfaces, the fit area of the joint-closing surfaces in the prior art is reduced, and thus the tolerance of fit is reduced and since the joint-closing surfaces are higher than the plane part so as to provide a gap for the air exhaust grooves A to discharge gas to the outside.

The invention relates to the field of optical instruments, in particular to a binocular telescope and an adjustment method for the binocular telescope. The binocular telescope comprises a visual acuity adjustment component and a focal length adjustment component, wherein the visual acuity adjustment component is used for adjusting the visual acuity of a first lens barrel based on the visual acuity of a second lens barrel; and the focal length adjustment component is used for adjusting the focal length of the first lens barrel and the focal length of the second lens barrel at the same time. The adjustment method comprises the following steps of: taking the visual acuity of the second lens barrel as a reference, adjusting the visual acuity of the first lens barrel; and on the basis of keeping the visual acuity of the first lens barrel and the visual acuity of the second lens barrel unchangeable, adjusting the focal length of the first lens barrel and the focal length of the second lens barrel at the same time. The adjustment device provided by the invention has a simple structure and a small matching area with the main body of the binocular telescope, the production cost is greatly reduced, and the adjustment device is convenient to seal, and is simple and convenient to operate during adjustment.

The invention relates to a design method of a fast sampling boiler, which includes providing an inlet and outlet and a heating unit, setting a sampler on the side wall of the boiler, making the sampling cavity communicate with the inside of the boiler, so that the sampling hole of the sampler can be Slide or turn between the outside and inside of the boiler. Set the first sealing ring at the head of the sliding cavity of the base body close to the sampling cavity, and set the second and third sealing rings at the tail of the sliding cavity of the base body close to the sampling cavity, so that the distance between them is greater than the width of the sampling hole. A sealing ring isolates the sampling cavity from the sliding cavity, and isolates the sampling cavity from the outside atmosphere through the second and third sealing rings. The first and second blind holes are respectively arranged at the head and tail ends of the sampling rod, so that the sampling hole is isolated from the first and second blind holes, and the first and second blind holes are connected through the ventilation channel. The blind hole design on the sampling rod improves the sealing effect and service life of the sealing ring. The use of two small-diameter sealing rings can reduce the pulling or pushing force during sampling and increase the sampling speed.

The present invention specifically relates to a fast sampling boiler, which is provided with a feed inlet, a discharge outlet and a heating unit, a sampler is provided near the bottom of the side wall of the boiler, the sampling cavity communicates with the inside of the boiler, and the sampling hole of the sampler can be Slide or turn between boiler exterior and interior. Part of the sliding cavity communicates with the outside world through a ventilated channel. The first sealing ring is set near the sampling cavity at the head of the sliding cavity, and the second and third sealing rings are set at the tail of the sliding cavity close to the sampling cavity. Between the second sealing ring and the third sealing ring The axial distance is greater than the width of the sampling hole, the sampling cavity is isolated from the sliding cavity by the first sealing ring, and the sampling cavity is isolated from the outside by the second and third sealing rings. First and second blind holes are arranged at the head and tail ends of the sampling rod respectively, and the sampling hole is isolated from the first and second blind holes. The blind hole design on the sampling rod improves the sealing effect and service life of the sealing ring. The use of two small-diameter sealing rings can reduce the pulling or pushing force during sampling and increase the sampling speed.

The invention relates to a design method of a boiler capable of rapidly sampling. The boiler comprises a feeding hole, a discharging hole and a heating unit, wherein a sampling device is arranged on a side wall of the boiler so that a sampling hole is communicated with the inner part of the boiler, and the sampling hole can slide or rotate between the inner part and the outer part of the boiler. The sampling device is further provided with a cover which can be in detachable sealed match with a base; the cover is coaxially provided with a containing cavity for containing a sampling rod; when the sampling rod is located at an inserting position, the connection part of the cover and the base is located between a first groove and a limiting part; a first counter bore is formed in the head of the base and the diameter of the first counter bore is greater than that of a first through hole to form a step surface; the head of the sampling rod is detachably provided with the limiting part; and when the limiting part is matched with the step surface of the base, the sampling hole is located at the outer part of the base. A base body is split into the base and the cover so that the axial machining length of the base is reduced and the machining difficulty is reduced; and the limiting part is arranged at the front end of the sampling rod so that the axial sizes of the base and the sampling rod are reduced and materials are saved.

The invention discloses an electromagnetic relay of an injection molded yoke, which comprises a moving spring, a yoke and a coil, wherein the yoke is L-shaped; the horizontal side of the yoke is fixed to the iron core in the coil at the bottom of the coil, The vertical side of the yoke is parallel to the axis of the iron core; on the vertical side of the yoke, a plastic layer formed by injection molding is provided on the side facing the coil, so as to use the plastic layer to insulate the coil between the yoke and the coil. Between, on the side facing away from the coil, there is a plastic convex bud formed by injection molding, so that the plastic convex bud can be fixed with the moving spring. On the one hand, the present invention can improve the degree of insulation between the yoke and the coil and ensure the position accuracy of the insulating parts without affecting the winding space, and effectively reduce the assembly process. On the other hand, when the yoke and the moving spring are fixed When it is used, no stress will be generated on the moving spring to deform the moving spring, which improves the dimensional consistency of the moving spring.

The invention relates to a fast sampling boiler, which is provided with a material inlet, a material outlet and a heating unit, a sampler is arranged on the side wall of the boiler, the sampling hole communicates with the inside of the boiler, and the sampling hole can slide between the outside and the inside of the boiler or turn. The sampler is also provided with a cover that is detachably and hermetically fitted with the base. The cover is coaxially provided with an accommodating cavity for receiving the sampling rod. Between the position parts; the first counterbore is set on the head of the base, and its diameter is greater than the diameter of the first through hole to form a stepped surface; the head of the sampling rod is detachably provided with a limiter, when the limiter and the step of the base When face fit, the sampling hole is outside the base. The base is split into a base and a cover, which reduces the axial processing length of the base, thereby reducing the difficulty of processing; the limit piece is set at the head end of the sampling rod, the axial dimension of the base and the axis of the sampling rod The dimensions are reduced, saving material.

The invention discloses a sliding nozzle. A rotatable synchronous ring is arranged on an upper nozzle ring in a coaxial mode, and a synchronous ring inner circle connected with the upper nozzle ring in an assembling mode is of an interrupted structure in the radial direction. A first sliding block device comprises a flow guiding vane and an open shifting fork connected with the shaft end of the flow guiding vane. The shaft end of the flow guiding vane is provided with two parallel lateral planes. One end of the open shifting fork is connected with the two lateral planes in a matched mode. A second sliding block device comprises a main shifting fork assembly, one end of the main shifting fork assembly is connected with an actuator, and the other end of the main shifting fork assembly is connected with the synchronous ring through a synchronous pin. By means of the sliding nozzle, precision loss caused by fast abrasion of a line-plane friction pair in actual use is effectively avoided. Transmission precision and abrasion resistance are effectively improved. The inner circle is of an interrupted synchronous ring structure, matching area of the synchronous ring and the upper nozzle ring is reduced, and the phenomenon that the synchronous ring and the nozzle ring are clamped due to thermal deformation is effectively prevented.