8results about How to "Eliminate installation gaps" patented technology

The application discloses a pipeline welding support device, which comprises a pushing unit, a pressing plate, an insertion block connected with the pressing plate, a floating sleeve arranged on the inner side of the pressing plate, and an elastic sheet arranged in the floating sleeve; an extrusion unit is arranged for pushing the pressing plate to move downwards; a push rod is arranged on the inner side of the floating sleeve, a through hole is formed in the inner part of the floating sleeve, and the end of the elastic sheet penetrates into the inner side of the through hole; the end of the push rod is connected with a clamping jaw; a base support is arranged for bearing corresponding pipelines and fixing the position of the pipelines by matching the clamping jaw with the inner wall of the base support; the extrusion unit pushes the pressing plate to move, the insertion block and the elastic sheet can be in contact, the elastic sheet is expanded under pressure and in contact with the inner wall of the through hole, and the position of the push rod and the pressing plate is fixed. The pressing plate is pressed downwards to drive the insertion block to move, the push rod is further driven to move close to the side wall of the pipeline, and the installation gap between the clamping jaw and the pipeline is eliminated, so that the stability of the pipeline clamping is ensured.

The utility model provides a kind of vehicle-mounted bicycle fixing frame and its license plate turnover device, wherein the license plate turnover device includes: fixed support, suitable for being installed on fixed frame main body;License plate mounting mechanism has the installation slot for accommodating license plate;Turnover assembly is pivotally connected the fixed support and the license plate mounting mechanism, so that license plate mounting mechanism can be switched between transverse use state and vertical storage state;Positioning element is arranged on turnover assembly, for locking position in transverse state and vertical state;Lock catch device, when transverse state, license plate mounting mechanism is fixed with fixed support.

The utility model relates to the technical field of building construction, and disclose a kind of side-mounted no column stair aluminum alloy glass handrail fixing device. The device adopts modular design, including glass handrail fixed plate, clamping groove, middle decorative cover plate, lower decorative cover plate, U-shaped rubber pad, wedge-shaped rubber strip, and is connected with wall body by expansion bolt to form stable support structure. The device takes aluminum alloy fixed plate as main force component, combines A / B double-piece hollow clamping groove and plum-blossom-shaped expansion bolt layout, realizes the balance of light weight and high strength. The wedge-shaped rubber strip and the self-adapting clamping system formed by U-shaped rubber pad of the device can compensate for glass thickness tolerance and effectively reduce metal collision noise. The device uses welding-free installation process, and is matched with anodized decorative cover plate. It is suitable for various architectural styles, maintenance is more convenient, and safety and aesthetic evaluation are better.

The application discloses a car lamp structure with cold and warm color light switching function and a car, which comprises a shell, a lamp bead assembly, a reflecting element, an inner lens group and an outer lens arranged in the shell in sequence along a light path transmission direction; wherein the lamp bead assembly comprises multiple lamp bead groups; the reflecting element adopts a condenser; the inner lens group is arranged in one-to-one correspondence with the lamp bead group, each inner lens group has a plane facing the light entrance surface of the reflecting element and a plurality of convex arc surfaces facing the light exit surface of the outer lens, and the ratio of the size b of each inner lens group in the left-right direction to the size a in the front-rear direction ranges from 2 to 24; the outer lens is arranged on the end surface of the shell; the application can compress the size of the inner lens in the light path direction, directly reduce the transmission distance of light from the reflecting element to the outer lens, and allow the inner lens group to be arranged in parallel and compact in the left-right direction, thereby avoiding the redundant space caused by the circular or square lens in the traditional design.

The invention provides a crankshaft heat treatment out-of-tolerance control device and a crankshaft heat treatment out-of-tolerance control method, relates to the field of constraint tools, and aims to solve the technical problem of insufficient subsequent machining allowance or direct scrapping caused by difficult-to-control deformation of a crankshaft in the length direction in the vertical hanging heat treatment process at present. The first restraining tool is provided with a restraining hole for the crank arm to stretch in, and is matched with a wedge block for use, so that the trend that the crank arm expands outwards under the action of gravity is limited, the distance between the crank arms is locked in the heat treatment process, and the crank arms are prevented from being lengthened due to self weight; the second constraint tool is provided with a constraint block extending between the crank arms, the constraint block is arranged on the inner sides of the crank arms, and the stress of inward collapse or closing of the crank arms is resisted in the cooling shrinkage process, so that the length of the crankshaft is prevented from being shortened; the first restraining tool and the second restraining tool are inserted into the restraining grooves through the wedge blocks at the wedge-shaped ends to abut against the end face of the crank arm, and the wedge-shaped matching structure solves the problem of tolerance matching between the tools and the roughly machined crankshaft.

This utility model discloses an integrated liner plate and a hopper for pellet production, relating to the technical field of pellet production equipment. It includes multiple liner plate components arranged circumferentially. Each liner plate component comprises a first arc plate portion, a second arc plate portion, and a transition plate portion. The first arc plate portion is installed on the inner side of the vertical section of the hopper, and the second arc plate portion is installed on the inner side of the conical section adjacent to the vertical section. The angle between the second arc plate portion and the first arc plate portion is the angle formed by the inner sides of the vertical section and the conical section. The transition plate portion smoothly connects one axial end of the first arc plate portion and one axial end of the second arc plate portion. The transition plate portion of the multiple liner plates arranged in a circumferential pattern eliminates the installation gap at the junction of the vertical section and the conical section, increases the material flowability at this location, solves the previous problem of material sticking, and ensures the stability and continuity of material discharge from the hopper.

This utility model discloses a car seat that can be used as a bed, including a base, on which a seat frame assembly is disposed. The seat frame assembly can be rotated forward to a horizontal position with its front end as the pivot point. A backrest assembly is installed at the rear end of the base, and the backrest assembly can be reclined forward to a horizontal position. The backrest assembly includes a front backrest and a rear backrest. When the backrest assembly is reclined forward to a horizontal position, the rear backrest can be rotated backward relative to the front backrest to a horizontal position. The beneficial effect of this utility model is that it can easily realize the conversion of the seat from a sitting position to a reclining position.

The utility model provides an electrical panel device with a quick disassembly and assembly structure, and belongs to the technical field of electrical panel installation. The problems that a traditional electrical panel device is low in disassembly and assembly efficiency, parts are prone to being lost, and installation stability is poor are solved. The device comprises an electrical housing, a connection panel, a clamping assembly and a positioning assembly. The connecting panel is detachably connected to the top surface of the electrical shell through a clamping assembly; limiting grooves are formed in the two sides of the electrical shell, and the positioning assemblies are arranged in the limiting grooves. The clamping assembly comprises a connecting frame and a connecting rod, the connecting frame penetrates through the connecting panel and extends into the electrical shell, and the connecting rod is connected into the connecting frame; a sliding groove is formed in the bottom of the connecting frame, a connecting lantern ring is arranged at the bottom of the connecting rod, two connecting blocks are symmetrically arranged on the outer side of the connecting lantern ring, and the other sides of the two connecting blocks are hinged to an arc-shaped plate. The quick dismounting device is mainly used for quick dismounting of the electrical panel.