57results about How to "Realize sliding bearing" patented technology

A convenient air purifying device capable of filter screen replacement comprises a substrate (8), wherein an inner space of the substrate (8) includes a storage area (82) at the bottom and for containing a plurality of filter screen assemblies (88), an air purification area (81) at the front side of the upper part and for mounting selected filter screens, and a filter screen sliding path area (83) at the rear side of the upper part; the filter screen sliding path area (83) is provided with a slide drive assembly (84) extending in the forward and backward directions, and the slide drive assembly (84) is used for making the selected filter screens slide in the forward and backward directions; each of the plurality of filter screen assemblies (88) comprises a filter screen mounting plate (7), lifting driving screws (51) located at two sides of the filter screen mounting plate (7), and a lifting frame (6) driven by the lifting driving screws (51).

A storage-selective and safe building mailbox apparatus comprises a housing. Internal space of the housing is formed by a storage area mounted on the bottom and capable of accommodating a plurality of mailbox assemblies, an operation area arranged on the front side of the upper part and used for an installation of a selected mailbox, and a mailbox sliding path area arranged on the back side of the upper part, wherein a sliding driving assembly extending back and forth is arranged in the mailbox sliding path area to enable the selected mailbox to slide back and forth; an illuminating light device is disposed in the operation area; the illuminating light device can be utilized for illumination for the operation area upon night or dark natural lights; the illuminating light device is an LED illuminating lamp; each mailbox assembly comprises a mailbox installation plate, elevating driving screw rods arranged on two sides of the mailbox installation plate, and an elevating rack driven by the elevating driving screw rod.

The invention discloses a plant specimen storage box. The plant specimen storage box comprises a box body (8), wherein the inner space of the box body (8) comprises a storage area (82) which is located at the bottom part and is used for allowing a plurality of specimen assemblies (88) to be accommodated, a telescopic sliding area (83) at the upper part, and an opening area (81) on the upper front side; each of the specimen assemblies (88) comprises a suspension bracket (7), elevating driving screw rods (51) located on the two sides of the suspension bracket (7), and elevating brackets (6) driven by the elevating driving screw rods (51); a suspension area (87) is arranged in the suspension bracket (7); and a hook (70) for suspending a specimen (871) is mounted on the upper top wall of each suspension bracket (7).

The invention discloses drying equipment with selectable drying racks. The drying equipment comprises a substrate (8), wherein the inner space of the substrate (8) comprises a drying area (82) which is located at the bottom part and is used for allowing a plurality of drying rack assemblies (88) and drying equipment (821) to be accommodated, an operating area (81) which is located on the upper front side and is used for allowing a selected drying rack to be operated, and a drying rack sliding path area (83) on the upper rear side; slide driving assemblies (84) extending in a front-rear direction are arranged in the drying rack sliding path area (83), and are used for enabling the selected drying rack to slide in the front-rear direction; and each of the drying rack assemblies (88) comprises a drying rack mounting plate (7), elevating driving screw rods (51) located on the two sides of the drying rack mounting plate (7), and elevator frames (6) driven by the elevating driving screw rods (51).

The invention provides an extension-type hospital bed with a dining table. The extension-type hospital bed comprises a base, a bed body, a temporary bed board and a movable bed board, wherein two parallel rails are arranged on the inner side of a bed frame of the bed body in the length direction, slide mechanisms are arranged on the rails, the movable bed board is arranged on the bed body, the temporary bed board is arranged on the movable bed board, the bed body is hollow, and a drive assembly for driving the movable bed board to extend out of the bed body is arranged in the bed body. When the extension-type hospital bed is needed, the movable bed board is driven by the drive assembly to extend out of the bed body, and the temporary bed board can cover the position where the movable bed board moves away to form an integrated bed board to be used by a patient; thus, the extension-type hospital bed can save space for a ward.

A public roll stand device convenient and rapid to select to change comprises a casing, wherein the internal space of the casing comprises a storage area, an operating area and a roll stand sliding path area; the storage area is positioned at the bottom and is used for accommodating a plurality of roll stand assemblies; the operating area is positioned on the front side of the upper part and is used for mounting the selected roll stand; the roll stand sliding path area is positioned on the back side of the upper part; a sliding driving assembly which extends in a forward and backward direction is arranged in the roll stand sliding path area and is used for enabling the selected roll stand to slide in the forward and backward direction; a lighting lamp device is arranged in the operating area and is used for lighting the operating area at night or when the natural light is dark; the lighting lamp device is an LED lighting lamp; each of the plurality of roll stand assemblies comprises a roll stand mounting frame, a lifting driving screw rod positioned on the two sides of the roll stand mounting plate, and a lifting machine frame driven by the lifting driving screw rod.

The invention relates to drying equipment with selectable drying racks. The drying equipment with selectable drying rack comprises a base body, wherein the inner space of the base body comprises a drying region in the bottom for accommodating a plurality of drying rack assemblies and the drying equipment, an operating region on the front side of the upper part for operating the selected drying racks and a drying rack sliding path region on the back side of the upper part. A sliding driving assembly which extends in a front and back direction is arranged in the drying rack sliding path region, so that the selected drying racks slide in the front and back direction, an illuminating lamp device is arranged in the operating region for illumination in the operating region at night or in a relatively dark natural light ray, and the illuminating device is an LED illuminating lamp. Each of the plurality of drying rack assemblies comprises a drying rack mounting plate, lifting driving screws which are located on two sides of the drying rack mounting plate and a lifting frame which is driven by the lifting driving screws.