13 results about "Peephole" patented technology

The utility model discloses a portable filter pressure relief observer which comprises a sight glass, and a one-way valve is arranged at an outlet of the sight glass to prevent oil from flowing backwards. A portable emptying valve is arranged at the bottom of the sight glass, so that timely emptying after pressure relief of the filter is facilitated, and next observation is not affected. The problems that an existing sight glass is not tight in sealing, glass is fragile, oil flows backwards and maintenance is difficult are solved, and the process safety and the convenience of equipment maintenance are improved.

The invention discloses a flash furnace nozzle high-temperature monitoring device, and relates to the field of flash furnace nozzle high-temperature monitoring, the flash furnace nozzle high-temperature monitoring device comprises a monitoring assembly, the monitoring assembly comprises a shell, a camera is installed in the shell, the tail end of the camera is fixedly connected through a connecting piece, the connecting piece is a pipe fitting, and the connecting piece is connected with the shell. A wire used for guiding connection of the camera is electrically connected with a circuit board installed at the tail end of the shell. The special high-temperature-resistant alloy material is adopted as the camera probe protection cylinder, so that the camera probe protection cylinder has good corrosion resistance and high-temperature resistance, and can resist the high temperature of 1600 DEG C under the condition that a cooling medium meets operation conditions. As the camera probe protection cylinder adopts a pinhole imaging technology, and a peep hole at the front end of the camera probe protection cylinder is designed to be 6mm, dust is difficult to enter the camera probe protection cylinder, and the camera probe protection cylinder has good positive pressure resistance and thermal radiation resistance. Therefore, the maintenance workload of the system is greatly reduced. In addition, a water-cooling type or air-cooling type camera probe protection cylinder can be selected according to the condition of a cooling medium of a user.

Assemblies, sensors, methods of attachment, communication networks, and operational processes of a door-mounted camera apparatus with two integrated camera modules, for use with a door's peephole viewer. Some embodiments include a door bracket for attaching the camera apparatus to the door using removable adhesive or embedded magnets. Embodiments may include a movable mirror assembly which may be operated by a hand or by electrically powered mechanical actuator. Some embodiments include a peephole viewer apparatus with integrated sensors. Embodiments can include a digital display for viewing the camera's video output. Some embodiments can include a wired or wireless external sensor module which may detect whether a person is present in front of the door.

The utility model discloses an anti-theft wooden door with an alarm function, which comprises a door frame, and a wooden door body is movably mounted in the door frame through hinges. A door lock is mounted on one side of the wooden door body; an observation hole is formed in the wooden door body; a cat eye is detachably mounted in the observation hole; an anti-peeping alarm device is arranged on one side of the cat eye in the observation hole; the anti-peeping cat eye effectively prevents lawbreakers from peeping indoor conditions through the cat eye, once someone tries to peep, the alarm immediately rings, the lawbreakers can be frightened, indoor people can be reminded in time, and the safety of families or places is improved; the wooden door body is of a multi-layer structural design, materials of all layers are matched with one another, the sound insulation performance, the heat preservation performance and the like of the door are enhanced, the overall strength and stability of the door are improved, the door is more durable, the service life of the door is prolonged, and the frequency and cost for replacing the door are reduced; the device is simple in structure, convenient to operate and worthy of popularization.

The utility model belongs to the technical field of tuyere peepholes, and particularly discloses a mechanism for inhibiting carbon deposition of a tuyere peephole of a hydrogen-carbon-rich blast furnace, which comprises a connecting pipe, a valve seat arranged on the connecting pipe, threads arranged at one end of the connecting pipe, a nut in threaded connection with the connecting pipe, and a lantern ring arranged on the inner side of the nut. A glass peeping sheet is placed between the connecting pipe and the lantern ring, a vertical pipe is communicated with the connecting pipe between the nut and the valve seat, a nitrogen pipe is communicated with the vertical pipe, and a valve is arranged on the nitrogen pipe. The problem that the labor intensity of a water watching worker is increased due to the fact that carbon powder blocks a tuyere peephole is solved. According to the utility model, generated carbon deposits are blown into the blast furnace through nitrogen purging, and the carbon deposits are prevented from blocking the peephole, so that the phenomenon that the peephole of the tuyere is frequently blocked by the carbon deposits of the peephole of the tuyere is avoided, and the labor intensity of the peephole of the tuyere is greatly reduced; meanwhile, gas leakage is reduced, so that the risk of gas poisoning caused by inspecting the hydraulic tuyere is reduced.

The utility model relates to smelting equipment technical field, the utility model provides a kind of visual oxygen lance for blast furnace blow-in, it includes: oxygen lance shell, the middle part of oxygen lance shell is equipped with flow channel, the bottom end of oxygen lance shell is fixedly connected with the oxygen transmission pipe and compressed air transmission pipe communicated with flow channel;Feedback board, the middle part of feedback board is embedded with feedback lens, the edge of the side of feedback board close to oxygen lance shell is fixedly connected with multiple lock rods, the end of oxygen lance shell close to feedback board is equipped with quick-mounting assembly, quick-mounting assembly is used for cooperating lock rod positioning feedback board;Protective assembly, protective assembly is assembled in the side of feedback board away from lock rod. Through the above technical scheme, the technical problem that the peephole mirror is lacking in effective protective measures in the unused state in the prior art, when contacting with the peephole mirror outside, the peephole mirror is easily scratched, and is easily attached by dust, affects the clarity of peephole mirror is solved.

This utility model belongs to the field of door lock peephole technology, specifically relating to an overall structure of a door lock peephole, including: a smart lock and a peephole mechanism. A receiving groove for accommodating the peephole mechanism is provided on the top of one side of the smart lock. A rotating component rotatably connected to the bottom of the peephole mechanism is provided in the receiving groove. A driving component is provided between the top of the inner side of the peephole mechanism and the inner wall of the receiving groove. The driving component, based on its actuation, causes the peephole mechanism to be pushed outwards to expose itself or pulled inwards to hide itself on the rotating component. The rotating component includes a rotating seat with a rotating shaft, which is installed on the outer side of the bottom of the receiving groove. This utility model, through the addition of the rotating component, driving component, and peephole mechanism, allows the peephole mechanism to be hidden and stored in the receiving groove when not in use, thereby preventing dust from falling onto the peephole mechanism when it is not in use.

The utility model relates to the technical field of vacuum smelting, in particular to a vacuum furnace peephole lens cleaning device and a vacuum furnace. The utility model provides a vacuum furnace peephole lens cleaning device which comprises a first cleaning part and a second cleaning part, the first cleaning part comprises a first driving mechanism and a first cleaning assembly, the first cleaning assembly is connected to the first driving mechanism, and the first driving mechanism is used for driving the first cleaning assembly to move within the range of a to-be-cleaned peephole lens. The first cleaning assembly is used for contacting and cleaning a to-be-cleaned peephole lens; the second cleaning part comprises a second driving mechanism and a second cleaning assembly, the second cleaning assembly is connected to the second driving mechanism, the second driving mechanism is used for driving the second cleaning assembly to move within the range of the to-be-cleaned peephole lens, and the second cleaning assembly is used for blowing the to-be-cleaned peephole lens. The metal volatile matter attached to the peephole lens can be effectively cleaned, the cleanliness of the lens is guaranteed, and the service life of the lens is prolonged.

The application provides a multifunctional safe security door with variable storage space, belonging to the technical field of security doors, comprising a fixed frame, an outer door frame, an inner door frame and an observation assembly; the fixed frame is fixed on the door hole wall of a room; the lower end of the fixed frame is provided with a lower storage plate, which has the freedom of stretching and contracting in the vertical direction; the outer door frame is arranged on the outer side of the fixed frame away from the room, and the outer door frame is provided with a glass door; the inner door frame is arranged on the inner side of the fixed frame facing the room and is connected with the fixed frame in sliding mode along a first direction; the lower end of the inner door frame is provided with an upper storage plate arranged in extension along a second direction; the inner door frame is provided with a security door; the observation assembly comprises a peephole arranged on the security door and facing the glass door, and an LED screen fixed on the glass door, which is arranged on the inner side of the glass door facing the room. The multifunctional safe security door with variable storage space provided by the application can adjust the storage space, can adapt to the size of different door hole walls, and has better safety.

The invention relates to the technical field of nuclear waste treatment, in particular to a nuclear waste pipe fitting treatment device which comprises a horizontal moving supporting frame and a component pool, a rotating mechanism is arranged at the top of the horizontal moving supporting frame, the horizontal moving supporting frame is in butt joint with an X-axis moving assembly on site, and it is guaranteed that the device can move and be positioned on any position on the horizontal plane; the device comprises a rotating mechanism, a lifting mechanism is arranged at the top of the rotating mechanism, the rotating mechanism drives the whole device to rotate along a set center shaft, a pulling and shearing assembly is arranged at the top of the lifting mechanism, a pipe fitting simulation body is arranged at the bottom of the rotating mechanism, the pulling and shearing assembly comprises an outer shielding body, and the front face of the outer shielding body is connected with a placement frame. The top of the placing frame is connected with an outer camera, and the front face of the outer shielding body is fixedly connected with a shielding squint window. According to the nuclear waste pipe fitting treatment device, through the rotating and lifting mechanisms, the problem that the device interferes with a shelf in a water pool is solved, and the treatment efficiency of the device is improved.

The utility model belongs to the technical field of composite bow accessories, and discloses a rotary peep hole for a composite bow. The rotary peep hole for the composite bow comprises fixing rings, the two fixing rings are symmetrically arranged, an adjusting column is located between the two fixing rings, two connecting threaded sleeves are arranged on the two end faces of the adjusting column respectively and are coaxial, an observation hole is formed in the adjusting column, and gaskets are inserted into the sides, away from the adjusting column, of the fixing rings. The adjusting bolt penetrates through the gasket and is in threaded connection with the connecting thread sleeve, and the two fixing rings can be used for pressing the adjusting column by screwing the adjusting bolt. According to the rotary peep hole for the composite bow, the fixing ring and the adjusting column are designed in a separated mode, the adjusting column can be locked or released by screwing the adjusting bolt, the angle of the adjusting column can be flexibly adjusted after the adjusting column is released, the adjusting range reaches 360 degrees, the degree of freedom is larger, and the rotary peep hole can be adjusted to the proper position for users of different heights and body types; the problems proposed in the background technology are solved.

The utility model provides a kind of ultra-wide-angle cat eye door mirror, including first lens, second lens, third lens and fourth lens being sequentially arranged from object side to image side, first lens is the meniscus lens of negative optical power convex to object side, second lens is double-concave lens of negative optical power, third lens is double-concave lens of negative optical power, fourth lens is double-convex lens of positive optical power, the distance between the surface of first lens towards object side and image surface is door mirror length, when the door mirror length is 90mm-160mm, the field of view angle of the ultra-wide-angle cat eye door mirror is greater than 170 degrees.The ultra-wide-angle cat eye door mirror provided by the utility model can meet the clarity requirement of visual optical system when the length of door mirror is 90mm-160mm, so that the door mirror can be applied to door body of different thickness, and the compatibility is strong.

The utility model discloses a remote monitoring device for resin unloading of a nuclear power station, relates to the technical field of remote monitoring, and is used for solving the problem that in the existing KBE resin unloading period, a worker needs to observe the resin exporting condition through a peephole in a high-radiation dose area for many times. The device comprises a double-end fixing support and an endoscope type camera shooting device, the double-end fixing support comprises a metal rod capable of freely moving, one end of the metal rod is provided with a free end universal wheel, the free end universal wheel is connected with a hand-tight nut on a free end clamp through a metal rod free end connecting screw, and the hand-tight nut is connected with the endoscope type camera shooting device. The other end of the metal rod is provided with a fixed end connecting nut which can be connected with a detachable and replaceable fixed end clamp; the endoscope type camera device comprises a transmission wire rod, an endoscope type camera and a data transmission interface,