80results about How to "Slow down the opening speed" patented technology

Apparatus suitable for use in convertible vehicles may include a convertible top comprising a substantially rigid front portion that moves downwardly towards and releaseably engages a windshield frame of the vehicle in order to close the convertible vehicle. At least one dampening device may be disposed at a rear portion of the convertible top and may be operably coupled to the front portion in order to slow downward movement of the front portion during a final phase of a convertible top closing operation. Further, the dampening device may be operably coupled between two pivotably connected linkages provided within the rear portion of the convertible top. The two pivotably connected linkages are preferably arranged and constructed so that the opening distance between the two linkages increases when the front portion is moving downwardly towards the windshield frame.

A thermal printer has a main body, a cover body, a hinge mechanism, a first locating mechanism, and a second locating mechanism. At the time of a shift from a second state where the cover body is opened with respect to the main body to a first state where the cover body covers the main body, the first locating mechanism locates a first platen roller of the cover body with respect to a first thermal head of the main body, and arranges a second thermal head of the cover body in the vicinity of a second platen roller of the main body. The second locating mechanism locates the second thermal head arranged in the vicinity of the second platen roller by the first locating mechanism with respect to the second platen roller of the main body.

The invention relates to a hydraulic balanced valve. The hydraulic balanced valve comprises a main valve and a pilot valve, wherein a push rod base is arranged in a pilot valve body main hole of the pilot valve; a radial pore is formed on the push rod base; an axial hole is formed in the push rod base; a first steel ball is placed in the axial hole; a pressure adjusting spring is arranged betweenthe first steel ball and the push rod base; an axial pore is formed on the right end face of the push rod base; one end of a push rod passes through the axial pore and abuts against the first steel ball, while the other end is inserted into a blind hole on the left end face of a control valve core; the control valve core is arranged in a valve body of the main valve; and an ejector rod at the right end of the control valve core is extended into a main valve core to be opposite to a pilot valve core. The hydraulic balanced valve has the advantage of adjusting the response time of the control valve core so as to change the opening speed of a main valve port, effectively control the flowing amount of hydraulic oil and avoid the shaking phenomenon of a descending heavy object when a hanging arm operates.

Provided is a heating cooker which allows a door on a cooking chamber to be opened without direct handling of the door by a user. The heating cooker includes a body having a cooking chamber defined therein, a door hingably mounted to the body to open and close the cooking chamber, a door holder positioned in the body to hold the door and keep the cooking chamber closed by the door, and a hinge part connected between the door and the body to guide rotation of the door such that when the door is released from the door holder, the door is automatically opened.

A vehicle tailgate movement assist mechanism including a tailgate configured to rotate between opened and closed positions and a tailgate lever arm fixedly connected to a bottom area of the tailgate. A drive lever may be pivotally connected at one end thereof to the tailgate lever arm and pivotally connected at an opposite end thereof to a bell crank. The bell crank may be pivotally anchored at one end thereof to a vehicle body. A strut may be pivotally anchored at one end thereof to the vehicle body and pivotally connected at an opposite end thereof to the bell crank. With the mechanism configured as discussed above, rotation of the tailgate from a closed to an opened position simultaneously rotates the tailgate lever arm to impart movement to the drive lever and the bell crank to thereby actuate the strut to reduce an opening speed of the tailgate.

A thermal printer has a main body, a cover body, a hinge mechanism, a first locating mechanism, and a second locating mechanism. At the time of a shift from a second state where the cover body is opened with respect to the main body to a first state where the cover body covers the main body, the first locating mechanism locates a first platen roller of the cover body with respect to a first thermal head of the main body, and arranges a second thermal head of the cover body in the vicinity of a second platen roller of the main body. The second locating mechanism locates the second thermal head arranged in the vicinity of the second platen roller by the first locating mechanism with respect to the second platen roller of the main body.

The invention provides a door body hinge assembly for a refrigerator. The door body hinge assembly comprises a hollow shell, a first sliding part and a second sliding part, wherein the hollow shell is fixed to a refrigerator door body; the opposite contact faces of the first sliding part and the second sliding part are helical faces matched mutually; an elastic telescopic part is arranged on the helical face of the first sliding part, and a guiding groove and a limiting part extending from the guiding groove to the first sliding part are arranged on the helical face of the second sliding part; and the guiding groove defines the moving path of the elastic telescopic part, and in the opening process of the refrigerator door body, the first sliding part drives the elastic telescopic part to move into the limiting part along the moving path, so that hovering of the refrigerator door body is achieved. Compared with the prior art, the limiting part is arranged on the door body hinge assembly for the refrigerator, the refrigerator door body is made to have a hovering position, and a user can take and place objects conveniently; as for the forcible door opening phenomenon, even though the door opening force degree overcomes the hovering strength of the hinge assembly, the limiting part can also decrease the door body opening speed, and the buffer effect on forcible door opening is achieved.

A vehicle tailgate movement assist mechanism including a tailgate configured to rotate between opened and closed positions and a tailgate lever arm fixedly connected to a bottom area of the tailgate. A drive lever may be pivotally connected at one end thereof to the tailgate lever arm and pivotally connected at an opposite end thereof to a bell crank. The bell crank may be pivotally anchored at one end thereof to a vehicle body. A strut may be pivotally anchored at one end thereof to the vehicle body and pivotally connected at an opposite end thereof to the bell crank. With the mechanism configured as discussed above, rotation of the tailgate from a closed to an opened position simultaneously rotates the tailgate lever arm to impart movement to the drive lever and the bell crank to thereby actuate the strut to reduce an opening speed of the tailgate.

Provided is a heating cooker which allows a door on a cooking chamber to be opened without direct handling of the door by a user. The heating cooker includes a body having a cooking chamber defined therein, a door hingably mounted to the body to open and close the cooking chamber, a door holder positioned in the body to hold the door and keep the cooking chamber closed by the door, and a hinge part connected between the door and the body to guide rotation of the door such that when the door is released from the door holder, the door is automatically opened.

The invention relates to a digital broadcasting services system and a digital broadcasting services platform which are used for a user terminal of the system, and a digital broadcasting services activation method. A content scrambling module uses control word to make scrambling to the program content, and the digital broadcasting network broadcasts the program content which is scrambled; the digital broadcasting services platform encrypts the control word to produce entitlement management message which is sent to the user terminal by mobile communication network. The invention sends the entitlement management message by mobile network, thereby saving digital broadcasting bandwidth; each user can only receive the own entitlement management message, thereby increasing safety of the system and reducing the workload of terminals; the invention adopts a point to point way to send business activation authentication information, thereby greatly increasing business activation speed.

The invention relates to a method for manufacturing a fuel injector for an internal combustion engine that has a control valve, which opens or closes an outlet throttle from a control chamber and in which a closing element is moved into a valve seat in order to close the outlet throttle. The valve seat is produced by punch-forming using a forming punch. The invention also relates to a fuel injector that is manufactured in accordance with this method.

The present invention provides an open / close member control apparatus capable of blocking entry of a ruffian even if forced closing operation is cancelled during closing operation of an open / close member by the forced closing operation and suppressing damage on an object which is erroneously caught. In the open / close member control apparatus for switching closing operation of a window to opening operation in the case where pinch of a foreign matter is detected and the forced closing operation of the switch is not maintained and continuing the closing operation of the window in the case where pinch of a foreign matter is detected and the forced closing operation of the switch is maintained, in the case where pinch is detected and the forced closing operation of the switch is maintained, when the maintenance of the forced closing operation is cancelled during closing operation of the window, the window opening operation is performed so that an open amount of the window becomes smaller than that in normal times.

The invention relates to a cover-opening mechanism for a container with a cover, in particular to a kettle cover-opening mechanism with a gentle opening speed, comprising a pot cover (10), a pot body (20), and a handle (30) connected to the pot body (20), The pot lid (10) is connected to the pot body (20) through a hinge mechanism (40), and the hinge mechanism (40) is arranged at the joint between the handle (30) and the pot body (20), characterized in that: the The rear end of the pot lid (10) is provided with a driving part (11), and the hinge mechanism (40) is provided with an elastic damping mechanism (50), and the damping mechanism (50) is provided with a contact part (51) and a mounting part (52) ), the damping mechanism (50) is fixedly connected to the pot body (20) through the installation part (52); The contact part (51) is always in contact with the driving part (11). The object of the present invention is to provide a kettle opening mechanism with a gentle opening speed, which has a simple structure and low cost.

The invention discloses a water kettle, which comprises a kettle body and a kettle cover, wherein a fixing support frame is arranged on the kettle body; the kettle cover is pivoted on the kettle body so as to open and close the kettle body; a rotating support frame is arranged on the kettle cover; the rotating support frame and the fixing support frame are connected in a pivoted way; and a damping structure is arranged between the rotating support frame and the fixing support frame, and is constructed to achieve the goal of decelerating the opening speed of the kettle cover in the period that the kettle cover is opened from the kettle body. The water kettle provided by the invention has the advantages that the damping structure is arranged between the fixing support frame and the rotating support frame, so that the opening speed of the kettle cover can be effectively decelerated; the scald injury on a user caused by the sputtering of steam condensed water at the inner wall of the kettle cover to the outside of the water kettle is avoided; a secondary cover opening structure is not needed; the cover opening angle can be reached in one step; and the use by the user is convenient.

A GaN power tube gate drive circuit with a controllable opening rate comprises an internal power supply generation module, a gate drive module, a charge pump module, an external capacitor and a current-limiting resistor. The gate drive module controls charging and discharging of a GaN power tube gate according to an external control signal; a plug-in capacitor is connected with the power supply end of the gate drive module through the current-limiting resistor. The internal power supply generation module comprises a power adjusting tube controlled by the charge pump module; before the GaN power tube is conducted, the charge pump module controls the power adjusting tube to be disconnected, so the first power supply generated by the internal power supply generation module is disconnected from the power supply end of the gate driving module, only the plug-in capacitor supplies power to the gate driving module, and the gate charging rate of the GaN power tube is reduced; when the GaN powertube is switched on and after set time delay, the charge pump module controls the power adjusting tube to be switched on, so the first power supply is connected to the power supply end of the gate driving module, the first power supply and the plug-in capacitor jointly supply power to the gate driving module, and the gate charging rate of the GaN power tube is increased.

The invention provides a kind of tableware washer only using slewing mechanism of the first action limit part (13) and the second action limit part (14) to enable the gates (6, 7) of the front peristome (5) being able to switchably cover rinse bath (2) to act in vertical direction relative to sealing element (8) in closed-gate state. It can realize dependable seal by small force and realize steady gate on-off action by only using combination of slewing mechanism.

The invention discloses a floor spring with the function of delaying door opening. The floor spring comprises a shell, a piston, a connecting rod, a spring body, a cam, rolling wheels and a supporting plate; the piston, the connecting rod, the spring body, the cam, the rolling wheels and the supporting plate are all arranged in the shell; the two ends of the connecting rod are fixed to the piston and the supporting plate respectively, and the connecting rod is sleeved with the spring body; the cam is installed on the supporting plate, the cam rotates to drive the supporting plate to move and is matched with the rolling wheels, and a door rotates to drive the cam to rotate; when the opening angle of the door is within the range of 0 to 65 degrees, the curvature of the contact points of the cam and the rolling wheels is gradually increased. The curvature of the contact points of the cam and the rolling wheels is gradually increased when the opening angle of the door is within the range of 0 to 65 degrees; accordingly, when the door is opened within the range of 0 to 65 degrees, the resistance to the cam during rotating is increased; when the door is opened under the effect of uniform force, the resistance to the door is increased; accordingly, the opening speed of the door is reduced, the effect of delaying door opening is achieved, the situations that the door is opened too fast and the door collides with interference objects are avoided, and the safety performance is improved.

A vehicle tailgate movement assist mechanism may include a tailgate configured to rotate between opened and closed positions, and a tailgate cam lever arm fixedly connected to a bottom area of the tailgate. A bell crank may be pivotally anchored at one end thereof to a vehicle body, and a strut may be pivotally anchored at one end thereof to the vehicle body and pivotally connected at an opposite end thereof to the bell crank. With the tailgate cam lever arm, bell crank and strut configured as discussed, rotation of the tailgate from a closed to an opened position simultaneously rotates the tailgate cam lever arm to contact and rotate the bell crank to actuate the strut to reduce an opening speed of the tailgate.

The present invention provides an open / close member control apparatus capable of blocking entry of a ruffian even if forced closing operation is cancelled during closing operation of an open / close member by the forced closing operation and suppressing damage on an object which is erroneously caught. In the open / close member control apparatus for switching closing operation of a window to opening operation in the case where pinch of a foreign matter is detected and the forced closing operation of the switch is not maintained and continuing the closing operation of the window in the case where pinch of a foreign matter is detected and the forced closing operation of the switch is maintained, in the case where pinch is detected and the forced closing operation of the switch is maintained, when the maintenance of the forced closing operation is cancelled during closing operation of the window, the window opening operation is performed so that an open amount of the window becomes smaller than that in normal times.

The invention provides a glove box and an automobile, relates to the technical field of automobile manufacturing, and solves the problems of the higher cost of a damper and an excessive opening speed of the glove box without the damper in the prior art. The glove box comprises a box frame, a box door, a first convex structure and a second convex structure, wherein the box door is relatively hinged to the box frame, and rotates around the hinging part of the box frame, so as to open and close the box frame; the first convex structure is arranged on the box frame; the second convex structure is arranged on the box door; when the box door rotates relatively to the box frame, the first convex structure and the second convex structure are in mutual interference. The glove box has the advantages that by adopting the scheme, the opening speed of the glove box is lowered by the interference friction of the convex structures in the opening process of the glove box; under the condition of no increase of the cost, the damping function of the glove box is realized; the structure is simple, the batch production is convenient, and the quality of the whole automobile is favorably improved.

The invention discloses a railway gondola car bottom door opening and closing buffer device which comprises a torsion bar spring mechanism, the torsion bar spring mechanism comprises a torsion bar spring and a connecting rod, the torsion bar spring is in a U shape, one end of the torsion bar spring is connected with a railway gondola car bottom door, the other end of the torsion bar spring is rotationally connected with one end of the connecting rod, the other end of the connecting rod is rotatably connected with a bottom frame of the railway gondola car, a spring buffer structure is arrangedon a bottom door stop of the bottom door of the railway gondola car, and when the bottom door of the railway gondola car is opened, the spring buffer structure is in elastic fit with the bottom door of the railway gondola car. The buffer device reduces opening and closing impact force of the bottom door through the torsion bar spring mechanism and the spring buffer structure, avoids integral deformation of the bottom door, cracking of weld joints, breakage of hinges, increase of gaps of the bottom door and the like, assists the bottom door to be closed through the torsion bar spring mechanism,reduces strength required for closing the bottom door, and reduces working intensity of operators.

Provided is a pilot type pneumatic valve capable of preventing misoperation. The pilot type pneumatic valve comprises a pilot valve and a main valve. A balanced air passage structure is arranged between the outlet end of the pilot valve and the environment outside the valve, and the balanced air passage structure is provided with a differential-pressure control normally-open valve and can enable high-pressure gas slowly leaking to the outlet end of the pilot valve to be released to the environment outside the valve through the structure; the pressure at the outlet end of the pilot valve is notincreased, and misoperation of the main valve is avoided; and the balanced air passage structure can be closed when the pilot valve is opened, and the problem of slowing down the opening speed of themain valve due to gas leakage generated by the balanced air passage structure is avoided, so that the negative influence of the arrangement of the balanced air passage structure on the pilot type pneumatic valve is prevented. By using the pilot type pneumatic valve capable of preventing misoperation, misoperation opening caused by leakage of high-pressure gas from the inlet end of the pilot valveto the outlet end can be effectively prevented, and the reliability of related equipment can be further improved.

A damping sliding rail is described. The damping sliding rail has an elastic member, a buffer member, a buffer stud, a fixing stud, and a switch. The elastic member provides an opening force to open apart a first casing from a second casing. The buffer member provides a damping force to slow down the opening speed between the first casing and the second casing. When the first casing and the second casing are closed together, the fixing stud compresses the elastic member to store an elastic energy for opening apart the first casing from the second casing. When the switch is pressed to open the first casing from the second casing, the fixing stud is released by an indentation of the switch and the buffer stud presses on the buffer member to reduce the opening speed.

The invention provides a hinge module for a refrigerator and the refrigerator with the same. The hinge module comprises a first slide stop part and a second slide stop part; the first slide stop part and the second slide stop part are respectively provided with a first butting surface and a second butting surface matched with each other; the outer peripheries of the first butting surface and the second butting surface are both circular, and are coaxially arranged; the first butting surface is projected with N first arc tables with the same structures from the peripheral side; the second butting surface is recessed with N+M first accommodating grooves with the same structures and matched with the first arc tables from the peripheral side; in an initial state, a door body is closed on a box body, the N first arc tables are respectively staggered from the corresponding first accommodating grooves, and arc center angles corresponding to the staggered differences are the same; and when the door body is opened from the box body to reach a first angle, at least one first arc table is completely embedded in the corresponding first accommodating grooves. The hinge module can realize hovering of the door body of the refrigerator in the opening process to satisfy user demands.

An embodiment of the invention discloses a steering gear and a motor driving circuit thereof. The motor driving circuit comprises a driving unit, three switch units with same structures and three switch control units with same structures. The switch units are connected between three output ends of the driving unit and three-phase input ends of a motor respectively, and are used for controlling connection and disconnection of three-phase circuits of the motor according to driving signals output by the driving unit. The switch control units are connected between three output ends of the drivingunit and the three switch units respectively, and are used for reducing starting speeds of switch tubes of the three switch units. The steering gear and the motor driving circuit thereof have the advantages that the switch control units for reducing the starting speeds of the switch tubes are connected between the driving unit and the switch units, so that the starting speeds of the switch tubes are reduced, electromagnetic radiation generated during working of the switch units is weakened, and external radiation of the steering gear is reduced.