34 results about "Door space" patented technology

The present invention provides a method for manufacturing a walk-in bathtub. The method involves heating an acrylic sheet, wherein the outer perimeter of the sheet is heated to a higher temperature than the center of the sheet. The heated acrylic sheet is then placed over a vacuum mold that is shaped like a bathtub, including a seat and a foot well, and drawn into the mold by the vacuum. Vacuum pressure is manually reduced when the acrylic reaches the top of the seat in the mold, and the vacuum is shut off when the acrylic is approximately two inches from the bottom of the foot well of the mold. The acrylic is removed from the mold, reinforced with fiberglass and secured to a support frame. A door space is cut in the side of the tub and a pre-hung door assembly is then installed in the door threshold.

A doorway having a recessed magnetic lock is disclosed. The doorway that comprises a jamb that defines an interior jamb space. The jamb includes a stop surface that defines a jamb opening between the interior jamb space and an exterior space. The doorway further comprises an electromagnet housed within the interior jamb space that is operable to provide an attractive magnetic force. The doorway further comprises a door pivotally connected to the jamb to open and close the doorway. The door defines an interior door space and includes a front surface. The front surface defines a door opening between the interior door space and the exterior space. The doorway further comprise a magnetically attractive armature housed within the interior door space. The armature is abuttingly engagable with the electromagnet when the doorway is closed.

A motorized door opener for a vehicle (such as a military or security vehicle), featuring a sensor system that determines door position to prevent door damage while the opener is in operation. The opener features an offset gear system that effectively changes the door's rotation point. Mechanical advantage is gained by using a lengthened lever arm with the gear system, providing increased leverage and allowing the motor to provide enough force to open and close a heavily armored door. The opener can use existing door hinges, and can be provided so as not to protrude into the door space, in order to facilitate passenger and equipment entry/exit through the doors. A safety release mechanism is included in some embodiments, allowing the door to be manually opened or closed.

The invention discloses a house type drawing method based on room splicing, and relates to the field of virtual house type design. The house type drawing method based on room splicing solves the problems in the prior art that the measurement of the thickness of an inner wall is imprecise and house type drawing is inaccurate. The method comprises the steps of firstly drawing a frame of an inner wall line of the first room with the inner wall line being reference in a plane mode and determining the quantity and positions of inner doors; then setting boundary data of rectangular door frames of the inner doors and drawing the rectangular door frames of the inner doors according to the set boundary data; continuing to draw other rooms to keep mutually independent dissociative and separated states of all the rooms; finally splicing and combining the rooms which share the same inner door through the rectangular door frame of the shared inner door and filling the space area between frame sides of two opposite inner wall lines of adjacent rooms. By measuring the length of the wall inner line of a single room and the distance of the door side and a wall corner point and according to the relationship of the door spacing after the rear doors of the rooms are merged, the thickness of the wall can be accurately calculated, and the thickness of the inner wall is accurately drawn.

The invention discloses a movable door and its telescopic mechanism and switching method. The movable door comprises an upper cross beam and a lower cross beam, wherein a bidirectional screw rod is arranged between the upper cross beam and the lower cross beam, left and right rotary nuts are movably mounted on the bidirectional screw rod, a four-bar linkage is mounted on the left and right rotarynuts, and the two ends of the four-bar linkage are symmetrically provided with door panel connecting bases. The movable door further comprises a middle frame and a door panel frame, wherein the telescopic mechanism is mounted on the middle frame through the upper cross beam and the lower cross beam, and the door panel connecting bases are mounted on the door panel frame. The movable door is designed to overcome the defects of poor space partition concealing performance and poor decorative effect of the traditional movable door.

An automotive air conditioner includes an air-conditioning case in which air passageways having a cold air path via an evaporator, a warm air path via a heater core, and a plurality of discharge path systems communicating with outlets, respectively, are formed, an air mix door which distributes cold air and warm air by an opening degree to each of the discharge path systems via a junction region of the cold air and the warm air, and a rotary door having a cross wall, which is rotatably disposed in the junction region of the cold air and the warm air and blocks air flow from the junction region to the downstream side by the cross wall in an advanced position, the rotary door and the air mix door including an overlap layout which uses a door space inside the cross wall of the rotary door in the advanced position as an opening and closing operation space of the air mix door.

An active glove box system comprises an instrument panel and a glove box door. The instrument panel housing defines a door space bordered by a curb flange along top and lateral sides of the door space. The glove box door comprises a trim wall providing an outside trim surface of the door, a bladder wall sealed along an outer edge to the trim wall defining an inflatable cavity, and a reaction wall. The reaction wall defines a back surface of the door, is attached to the bladder wall, and has an outer fringe surface abutting the curb flange when the door is closed. The fringe surface and the curb flange comprise interlocking features configured to engage and disengage in a door opening direction and to provide interference against movement of the reaction wall along an inward perpendicular direction when engaged.

The present invention is an electronic and manual lock drive system providing both motorized and manual operation of a door lock. The electronic drive system has a compact design and can be mostly fit in the through-door space. It is combined with manual operation module using a lever for moving the deadbolt. The coupling and decoupling of the electromechanical drive system and the manual operation module is achieved by an offset in the rotational axis of the driving gear and the lever handle rotation as well as clutch elements located on the gear and the lever handle. The electronic and manual drive system also comprises a function to provide inform on the state of the lock. This is accomplished by using a pair of sensor switches.

The invention provides a sliding-type automatic door with an urgent evacuation function. The sliding-type automatic door is characterized by comprising a door frame, a case, a fixed leaf and a movable leaf, the case and the door frame are assembled to be mounted on the civil engineering construction of a door opening, a bottom rack is paved vertically under the case, and the fixed leaf connected with the case and the bottom rail respectively through a rotating shaft; a sensing system, a control system and a driving system are arranged in the case, the sensing system is capable of sensing barriers in front of the door, the driving system is controlled through the control system, the driving system is connected with the movable leaf to drive the same to translate horizontally, and magnetic emergency push switches are arranged on the fixed leaf and the movable leaf; each magnetic emergency push switch comprises an emergent-push upper hook, an emergent-push lower hook and a magnetic switch, the magnetic switches can be disconnected by pushing the door open, and 90-degree opening of the fixed leaf and the movable leaf can be realized. By the arrangement, door space can be effectively saved, the door leaves can be pushed open with small effort, and automatic and horizontal opening and closing as well as 90-degree emergent pushing open can be realized.

A communication assembly that includes a backplane; and multiple boards coupled to the backplane such that at least one board is coupled to one side of the backplane while at least one other board is coupled to a second side of the backplane; wherein the backplane and the multiple boards are shaped and are positioned such as when the backplane and the multiple boards are coupled to each other they provide a thin communication assembly that can be installed in a door space of existing communication cabinet. A communication cabinet that includes a door comprising inner walls that define a substantially shallow inner door space, and a communication cabinet that comprises a backplane and multiple boards coupled to the backplane; wherein the backplane and the multiple boards are shaped and are positioned such as to fit within the inner door space. A method for exchanging electrical signals, the method includes: providing signals to inner door space communication equipment that is at least partially positioned within an inner space defined by a communication cabinet door; and receiving signals from the inner door space communication equipment, wherein the inner door space communication equipment comprises a backplane and multiple boards coupled to the backplane.

The invention relates to a cabin door air vent mechanism directly driven by a handle. The bottom of an air vent panel is fixedly connected with an inner handle assembly which is obliquely arranged; acommon joint between the air vent panel and the inner handle assembly is connected with an air vent shaft; the air vent shaft is hinged and connected with a cabin door structure; cranks are arranged at two ends of the air vent shaft respectively; one end of each crank is fixedly connected with the air vent shaft and the other end of each crank is hinged with a retractable shaft through a pin shaft; the other end of each retractable shaft is hinged with a tab which is fixedly arranged on the cabin door structure; each retractable shaft is coaxially provided with a compression spring and two ends of each compression spring are supported on limiting platforms at two sides of the corresponding retractable shaft; and the compression springs are used for tightly pressing the air vent panel on the cabin door structure through the cranks. According to the mechanism provided by the invention, the inner handle assembly and the air vent panel are fixedly connected and a middle transmission mechanism is omitted, so that the transmission precision is improved and the mechanism is operated reliably; and the cabin door air vent mechanism has the advantages of saving a cabin door space and reducing the weight.

The invention discloses a mechanical principle based automatic door closer and a use method thereof. The mechanical principle based automatic door closer comprises a workbench; the workbench is internally provided with a door entering space, the front end wall and the back end wall of which communicate with an external space; the lower end wall of the door entering space is internally provided with a transmission space; the right end wall of the transmission space is internally provided with a driven space; the left end wall of the transmission space is internally provided with a hydraulic space; the left end wall of the hydraulic space is internally provided with a sliding door space, the left end wall of which communicates with the door entering space; the lower end wall of the hydraulicspace is internally provided with a hydraulic pipeline which communicates with the hydraulic space arranged at the two ends of a partition plate; and the lower end wall, at the upper end of a cam, ofthe hydraulic pipeline is internally provided with a sliding space. The mechanical principle based automatic door closer provided by the invention is simple in mechanism and convenient to operate, can be opened in one way only, can effectively prevent an entrant from repeatedly entering from the sliding door, effectively maintains an entering and exiting order, can reopening a door according to the weight of a person, can automatically deadlock the door when a child enters the door to avoid the child from entering and has very high safety.

The invention discloses an electric sliding door opening and closing system. The electric sliding door opening and closing system comprises a workbench, wherein a door entering space, front and rear end walls of which communicate with an outside space, is arranged in the workbench; a hydraulic space is arranged in the end wall, away from the door entering space, of a sliding door space; a pushingspace, the lower end surface of which communicates with a moving space, is arranged in the upper end surface of the moving space by taking the center of a pressing space as the center in a bilaterallysymmetrical mode; and a sliding space, the lower end wall of which communicates with the pushing space, is arranged in the upper end wall of the pushing space. The electric sliding door opening and closing system has simple mechanisms, is convenient to operate, only can be opened in a one-way mode, can effectively prevent entering staff from repeatedly passing from the sliding door, effectively keeps an entering and exiting order, can be automatically closed after staff enters, guarantees opening of the door when people want to enter, and has very good safety; and moreover, two-door opening is performed, so that only the door at single side is opened while the staff enters from one side, and the doors at the two sides can be opened at the same time while the staff enters from the middle,and therefore, a circulating rate is increased, and staff can be distributed.

A cooling chamber bottle seat with down turning cover, comprising a shelf device fixed in frame groove of cooling chamber door, a cover set on top of the shelf device for the prevention of water loss of the objects placed in the shelf device, the said cover can turn downward, between the cover body and door frames, a stabilizing device was installed to prevent glide of the cover by gravity. The invention provides cooling chamber bottle seat with down turning cover, the bottles seat is simple in structure, easy to be used, compared to the existing up-turned technology, the downward-turned cover can save the occupied door space when the cover turn up, thus several more bottles can be set in the limited space; through the turnover stabilizing device between the cover body and door frames, to prevent the cover turn downward by gravity when the cover is not used; The stabilizing overturned device of the invention is simple in structure and easy to produce with low cost.

A storage device and its method of use comprises a first door and a second door spaced relative to one another so as to define a storage area therebetween. Each of the first and second doors have an open position to permit access to the storage area and a closed position to enclose the storage area. The first door is linked to the second door such that when the first door is in the open position the second door is in the closed position and when the first door is in the closed position the second door is in the open position.

The invention relates to the field of car carriers, in particular to a closed center axle car carrier. The closed center axle car carrier comprises a first vehicle frame, a cab, first vehicle frame wheels, a center axle, a second vehicle frame and second vehicle frame wheels and further comprises a first carriage assembly located at the top of the first vehicle frame, a second carriage assembly located at the top of the second vehicle frame, side curtain mechanisms fixedly installed on the two sides of the first carriage assembly and the two sides of the second carriage assembly and folding doors located at the rear ends of the first carriage assembly and the second carriage assembly. A storage tray located above the cab is fixedly arranged at the front end of the first carriage assembly,and the first carriage assembly and the second carriage assembly are of the same structure and the same specification. The closed center axle car carrier has the beneficial effects that the closed center axle car carrier is effectively suitable for loading vehicles at different heights, an upper-layer open state is formed, a vehicle loading passing requirement is met to the maximum degree, the quickly-opened side curtain mechanisms are adopted, vehicle loading personnel can conveniently get on and off the car carrier, rear doors are conveniently folded inwards, and the requirement for front and rear door space use in the long vehicle transporting process is conveniently met.

Platform door structure, platform guardrail manufacturing method and setting method are provided; the station door structure includes: a first door unit which is provided on a platform as a door unit in a plurality of door units; a confirmation signal generating unit that outputs an acknowledgment signal for confirming the opening / closing state of the door space formed by the first door unit to the first door unit; and a return circuit that cooperates with the first gate unit and the confirmation signal generation unit to form a closed loop circuit that determines a transmission path of a signal for confirming the signal generation unit as a starting point and an end point. If the state is normal, the first gate unit closes the closed loop circuit to allow confirmation of the transmission of the signal to the return circuit. The return circuit returns the confirmation signal received from the first gate unit to the confirmation signal generation unit.

The invention discloses an electric sliding door opening and closing system based on a microelectronic technology. The electric sliding door opening and closing system comprises a workbench, a door entrance space is arranged in the workbench, wherein the front end wall and the rear end wall of the door entrance space communicate with outside space, a hydraulic space is formed in the end wall, faraway from the door entrance space, of a sliding door space, pushing spaces are formed in a bilateral symmetry mode with downward pressing spaces as the center in the upper end surface of a moving space, wherein the lower ends of the pushing spaces communicate with the moving space, and sliding spaces are formed in the upper end walls of the pushing spaces, wherein the lower end walls of the sliding spaces communicate with the pushing spaces. According to the electric sliding door opening and closing system, the mechanism is simple, the operation is convenient, only one-way opening can be realized, persons to enter through doors can be effectively prevented from repeatedly entering through the sliding doors, so that the entrance and exit order is effectively maintained; the electric slidingdoors can be closed automatically after the persons enter through the electric sliding doors, opening of the electric sliding doors can be ensured when the persons in an entrance needs to enter through the electric sliding doors, and the safety is good; and two electric sliding doors are selectively opened, one electric sliding door door will be opened if the persons enter from one side, the twoelectric sliding door doors will be opened simultaneously if the persons enter from the middle, therefore the traffic is increased, and people can be separated.

The invention discloses a housing structure, an outer wall body and a forming method of the outer wall body, wherein the outer wall body is used for separating indoor space from outdoor space. The outer wall body comprises an outer wall frame; an outer wall layer and an inner wall layer are sequentially installed in the first direction from the outer door space to the indoor space, the outer wall layer comprises an outer wallboard which is installed fixedly, the inner wall layer comprises an inner wallboard which is installed fixedly, a gap is formed between the outer wallboard and the outer wall frame in the first direction, and a heat preservation cavity is enclosed by the outer wallboard, the inner wallboard and the outer wall frame; a heat preservation material layer is filled at least in the gap in an integral structure between the gap and the heat preservation cavity. According to the housing structure, the outer wall body and the forming method of the outer wall body, the heat preservation material layer exists in an integral structure, so that the problem that in the prior art, the problem that a gap exists between the two adjacent heat preservation material layers is solved, a heat transferring path between the indoor space and the outdoor space is effectively blocked, and the heat preservation characteristic of an outer wall body is improved; and in addition, the heat preservation material layer has good air impermeability, water tightness and sound insulation property, and the comfort level of a building is improved.

The invention discloses an electric sliding door opening-closing system based on the mechanical principle and a using method thereof. The electric sliding door opening-closing system comprises a workbench, and the workbench is internally provided with an entrance space of which the front end wall and the rear end wall communicate with an outside space; the end wall, away from the entrance space, of a sliding door space is internally provided with a hydraulic space; the upper end surface of a motion space is internally provided with push spaces which are bilaterally symmetrical with a downwardpressing space as the center, and the lower end surfaces of the push spaces communicate with the motion space; and the upper end walls of the push spaces are internally provided with slide spaces of which the lower end walls communicate with the push spaces. According to the electric sliding door opening-closing system, the mechanism is simple, operation is convenient, a sliding door can be openedunidirectionally, the situation that persons entering the sliding door repeatedly enter the sliding door can be effectively prevented, the entering and existing order is effectively maintained, the sliding door can be automatically closed after the persons enter the door, the effect that the sliding door is opened is ensured when persons at an entrance is about to enter the sliding door, and thesafety is quite good; and the sliding door has two door leaves for opening, only one of the door leaves can be opened when the persons enter the sliding door from one side, the two door leaves are opened at the same time when the persons enter the sliding door from the middle, the circulation quantity is increased, and person diversion can be achieved.

The invention discloses a door, which has slide rails. Grooves are arranged on both sides of the door, and pulleys are installed in the grooves. The pulleys slide up and down along the slide rails, and finally the bolts at the lower end of the door are fixed in the pin holes at both ends of the slide rails. It effectively solves the problems that traditional doors occupy a large space and are prone to deformation.

The invention relates to the field of vehicles and discloses a side compartment door mounting hinge comprising a first hinge mechanism mounted on a side compartment door and a second hinge mechanism mounted on a compartment inner frame. The first hinge mechanism and the second hinge mechanism are detachably connected in a fastened manner. The side compartment door mounting hinge is simple in structure; the two hinge mechanisms for fastening and limiting are mounted on the side compartment door and the compartment inner frame respectively, the overall size of the side compartment door is small, and the side compartment door with novel model can be opened and closed. The side compartment door mounting hinge requires no inner compartment space, and the problem that shortage of the compartment door space affects layout of other accessories can be significantly alleviated. The side compartment door mounted with the side compartment door mounting hinge can be fully opened, and the problems that the conventional compartment door is unable to be opened or can only be opened at small angle are overcome.