63results about How to "Improve opening and closing effect" patented technology

A hinge module including a first part, a pushing element, a second part and an elastic element is provided. The first part has a containing slot, and the pushing part is located in the containing slot and being able to move along a direction. The second part has a hinge shaft, which rotatably passes through the containing slot along an axis, so as to make the first part and the second part rotate about the axis. The elastic element is disposed in the containing slot and pushes the pushing element, and the elastic element always drives the pushing part to move along the direction, so as to make the hinge shaft to rotatably abut between the pushing part and the first part. The direction is perpendicular to the axis. An electronic device is also provided.

An amusing mask having composite formative variability function, which particularly integrates planar printed patterns with a three-dimensional form and produces variability therefrom, and is applicable for application in an air filter respirator. The present invention is configured to utilize the principle of closing and opening of the upper and lower jaws of the face of a person to actuate unitary animated simulation of the external appearance of a mouth of an animal or a cartoon figure. The present invention is primarily formed from upper and lower masks joined to mask holding members. The user can choose whether or not to combine adjoining decorations or a blow toy externally to the upper and lower masks and thereby achieve interesting and simulative dynamic amusement.

The invention belongs to the technical field of ultra-high voltage power transmission, in particular to a method for improving the converted current switching capability of an ultra-high voltage open alternating current isolating switch. Auxiliary circuits are added on a main contact to switch converted current, and isolating switches are used to guide the operation of electric poles, so that the converted current switching capability of the isolating switches can be greatly improved, and the use requirements for connecting the isolating switches in parallel can be met. Thus, by using the method, the converted current switching capability is greatly improved, the requirements for connecting the isolating switches in parallel are easily met, the influence of electric arcs is almost completely eliminated, the operation and the control of the isolating switches are greatly simplified, the cost is lowered and the reliability is improved.

The invention discloses a circuit breaker electrical contact support member and a preparation method thereof. The support member comprises a support member body made of a Cu/Fe/Cu material strip. One side of the support member body is provided with a built-in groove; the groove is embedded by a conductive insert block; and the insert block is provided with a contact point. The method is characterized by, carrying out thermal treatment on the Cu/Fe/Cu material strip, and rolling the Cu/Fe/Cu material strip obtained after thermal treatment; carrying out punching on the Cu/Fe/Cu material strip obtained after rolling to prepare the support member body; preparing the insert block, and inserting and welding the insert block to one side of the obtained support member body; and welding the contact point to the other side of the insert block. The support member is prepared by inserting the Cu block or other conductive metal blocks into the Cu/Fe/Cu composite strip, thereby improving the strength of the contact support member, ensuring stability of the current conduction when an electrical contact is contacted, and meanwhile, reducing copper material consumption and saving cost.

The present invention pertains to hinge lid packages, for example cigarette packages, with features that reduce the force required to open and close the package, keep the lid tightly closed when not in use and/or improve the luxurious feel of the package during opening and closing, in comparison to similar packages that do not include these features.

The invention belongs to the technical field of automobile aerodynamics, and particularly relates to an automobile drag coefficient optimization design method, which comprises the following steps of: based on flow optimization design, determining mutual interference parameters of front and back flows and overall data of an automobile, and establishing a corresponding automobile model; according to the determined automobile wind resistance data, an automobile head, a flat floor, an upper automobile body part, an automobile tail and a cooling system are improved, and corresponding models are established; based on design elements in multiple aspects, the wind resistance coefficient of the automobile is comprehensively optimized, and the error between the design and the actual wind resistance test is determined through stress analysis of the model; according to the corresponding errors, the vehicle head, the flat floor, the upper vehicle body part, the vehicle tail and the cooling system are corrected. According to the method, multi-factor condition analysis is carried out, and the factors influencing the automobile wind resistance parameters are analyzed, so that the automobile machine changing scheme is systematically determined. Each step in the modification scheme is refined, the modification strategy of each part is summarized through a large number of experiments, and wind resistance parameter optimization is improved.

The invention discloses an overload protective valve and an overload valve comprising the overload protective valve and relates to the technical field of engineering machinery. The overload protective valve comprises a valve sleeve and a pressure-regulating lead screw. The overload protective valve is characterized in that the rear end of the valve sleeve is connected with a valve sleeve base, the front end of a pressure-regulating valve seat is provided with external threads, the front end of the pressure-regulating valve seat is connected and fixed to the inner side of the rear end of the valve sleeve seat through the threads, and the pressure-regulating lead screw penetrates through the pressure-regulating valve seat to extend into the valve sleeve seat; a spring is arranged on the inner side of the valve sleeve seat between a valve element and the pressure-regulating valve seat. The overload protective valve aims to solve the problems that in the prior art, when an overload relief valve operates, the overflowing speed is low or operation fails, so that a controlled component is damaged, and the problem that the overload relief valve cannot replenish oil to a large cavity of the system, so that oil replenishment needs external assistance and the enterprise cost is increased is solved at the same time. The overload protective valve has the advantages of being simple in structure, good in opening and closing performance, high in overflowing speed, long in service life, capable of conducting oil replenishment work and the like. The invention further provides the overload valve comprising the overload protective valve.

The invention discloses a reclosure mechanism of a disconnector. The reclosure mechanism of the disconnector comprises an electromagnetic mechanism, a transmission mechanism and an opening/reclosure execution mechanism. The electromagnetic mechanism comprises a closure electromagnetic device (2) with a closure iron core (1), and an opening electromagnetic device (4) with an opening iron core (3). The transmission mechanism comprises a transmission shaft (5), wherein the transmission shaft (5) is in linkage with the closure iron core (1) and the opening iron core (3), thereby rotating under driving the closure iron core (1) or the opening iron core (3). The opening/reclosure execution mechanism comprises a shifting rod (32) capable of driving opening and closure motions of a handle of the disconnector, the shifting rod moves under driving the transmission shaft (5). An electromagnetic protection device is used for connecting and disconnecting current of the electromagnetic mechanism. The reclosure mechanism of the disconnector is simple in structure, and has a good opening/reclosure effect.

Disclosed is a railway hopper car comprising a car body (6), a top cover (1, 2), a bogie (24), a braking device (21), a coupler buffer device (22), and a bottom door (25,28) and a bottom door opening and closing mechanism (23) mounted at a discharge port at the bottom of a chassis. The railway hopper car further comprises a longitudinal saddle (31) disposed in the center of the car body (6) in the length direction thereof and arranged along the longitudinal direction of the car body (6). By providing the longitudinal saddle (31), the sequential requirement to close the left bottom door (25) and the right bottom door (28) is eliminated, thereby simplifying the structure of the linkage bottom door opening and closing mechanism and reducing manufacture and maintenance costs thereof.

The invention discloses an automobile sliding door system. The automobile sliding door system comprises a sliding door body, a middle guide rail and a lower guide rail, wherein a middle hinge matched with the middle guide rail is arranged in the middle of the sliding door body and a lower hinge matched with the lower guide rail is arranged at the lower part of the sliding door body; the lower guide rail comprises a lower guide rail upper transverse wall, a lower guide rail lower transverse wall and a lower guide rail vertical wall for connecting the lower guide rail upper transverse wall and the lower guide rail lower transverse wall; the lower guide rail further comprises a first vertical overturning edge which is connected with the lower guide rail upper transverse wall and a first guide groove which is formed by the first vertical overturning edge, the lower guide rail upper transverse wall and the lower guide rail vertical wall in a surrounding manner and has a downward opening; the lower hinge comprises a lower hinging part and a lower bearing part; the lower bearing part comprises a first bearing and a second bearing; the first bearing rolls along the lower guide rail vertical wall or the first vertical overturning edge by taking the vertical direction as the axial direction; the second bearing rolls along the upper surface of the lower guide rail lower transverse wall by taking the direction vertical to the lower guide rail vertical wall as the axial direction. According to the automobile sliding door system, an upper guide rail is not used under the condition of not influencing an original sliding function of the sliding door system, the integrity of a side wall structure is guaranteed and a good opening/closing performance is obtained.

The invention provides a pivot module and an electronic device, wherein the pivot module includes a first component, a pushing component, a second component and an elastic component. The first part has an accommodating groove, and the push piece is movably arranged in the accommodating groove along one direction. The second component has a pivot shaft, which is rotatably installed in the receiving groove along an axis, so that the first component and the second component can rotate relative to each other along the axis. The elastic element is arranged in the receiving groove and abuts against the ejecting element, and the elastic element constantly drives the ejecting element to move along the direction, so that the pivot shaft is rotatably abutted between the ejecting element and the first component. Said direction is perpendicular to this axis.

The invention provides an intermittent lifting assembly and a mobile terminal, and the intermittent lifting assembly is used for driving a heat dissipation plate of the mobile terminal to be opened and closed, and comprises a first driving part which comprises a first intermittent gear and a convex shoulder arranged on the first intermittent gear; a second driving part which comprises a second intermittent gear meshed with the first intermittent gear, and a limiting groove is formed in the second intermittent gear; the limiting groove is used for limiting the rolling position of the convex shoulder in a state that the teeth of the first intermittent gear and the teeth of the second intermittent gear are disengaged from each other; a notch for avoiding the second intermittent gear is formedin the convex shoulder; and a swing rod which is fixedly connected with the second intermittent gear and used for driving the heat dissipation plate to be opened and closed. Through intermittent movement of the first driving part and the second driving part, the linkage effect of the display screen and the heat dissipation plate when the mobile terminal is started is improved, and the use effectof the mobile terminal is improved.

The invention relates to the technical field of display screen detection devices, in particular to a mobile phone display screen flexibility detection device and a detection method thereof. The mobile phone display screen flexibility detection device used in the method comprises a main body, wherein a drawer is arranged on the main body in a sliding fit mode, an opening and closing mechanism is arranged on the main body, a lifting mechanism is assembled on the opening and closing mechanism, a springback mechanism is assembled between the drawer and the main body, the drawer is connected with a distance changing mechanism, and a storage mechanism is rotationally arranged on the distance changing mechanism. According to the invention, by arranging the opening and closing mechanism, the lifting mechanism can be shielded and closed, the opening and closing mechanism is matched with the lifting mechanism to conveniently lift the detection part to the height for placing the screen, and the screen is convenient to take; and through the arrangement of the distance changing mechanism, the distance between the multiple storage mechanisms can be conveniently adjusted in a unified mode, the storage mechanisms can conveniently display the mobile phone screens, the distance changing mechanism is matched with the storage mechanisms, the storage effect of the drawer can be improved, and the mobile phone screens can be conveniently taken for detection.

The invention relates to the field of partial discharge detection devices, in particular to a GIS positioning-based handheld partial discharge detection device, which comprises a main body, a protection mechanism, a shielding mechanism, a pulling mechanism, a limiting mechanism and a charging mechanism, easily-damaged edges and corners of the main body can be protected through the arrangement of the protection mechanism, the designed convenient-to-hang part liberates the hands of a user, the user is prevented from holding the charging mechanism for a long time, the portability of the device is improved, and the exposed part of the charging mechanism can be shielded and the appearance of the main body can be beautified through the arrangement of the shielding mechanism. Through arrangement of the pulling mechanism, after limitation of the limiting mechanism on the shielding mechanism is removed, a sealing component in the shielding mechanism can be reset to an initial position, through arrangement of the limiting mechanism, the sealing component in the shielding mechanism can be conveniently limited in the main body, and through arrangement of the charging mechanism, electric quantity can be supplemented to the main body in time; and the hidden charging design improves the integration level and the aesthetic degree of the main body.

The invention discloses an oscillating type steel pipe feeding device and belongs to the field of seamless steel pipe processing machines. The oscillating type steel pipe feeding device comprises a rack, a mobile trolley arranged on the upper portion of the rack, an oscillating mechanism supported on the mobile trolley, a feeding mechanism connected with the mobile trolley, an oscillating disc driving mechanism connected with the oscillating mechanism, a clamp mechanism arranged on the oscillating mechanism, a clamp opening and closing driving mechanism arranged on the oscillating mechanism and connected with the oscillating mechanism, and a steel pipe supporting and protecting guide mechanism arranged at the right end of the rack. The oscillating type steel pipe feeding device is characterized in that the feeding mechanism comprises a feeding action cylinder fixing base and a feeding action cylinder; the feeding action cylinder fixing base is fixed to the left end of the rack; the feeding action cylinder is connected with the feeding action cylinder fixing base; a feeding action cylinder column is connected with the mobile trolley; the clamp opening and closing driving mechanism and the clamp mechanism are connected; and the oscillating disc driving mechanism is arranged on the rear side of the right end of the mobile trolley. By means of the oscillating type steel pipe feeding device, the structure is simplified, and the labor intensity is relieved; the acting force transmission link is omitted, and the opening and closing effect of the clamp mechanism is ensured; and the motion stability is good, and occupied space is small.

The invention relates to the field of curtains, in particular to an intelligent curtain. The intelligent curtain comprises two pieces of curtain fabric, an opening and closing structure, a sliding rod, two bases, a guide structure and a clamping groove; the two pieces of curtain fabric are seamed in a protective sleeve, the opening and closing structure is connected with the sliding rod in a sliding mode, and then a pulling rope can be pulled to drive a plurality of positioning sleeves to slide on the sliding rod, so that the two pieces of curtain fabric can be driven to slide relatively or oppositely through the positioning sleeves, and the two pieces of curtain fabric are controlled to be opened and closed on one side, so that the curtain fabric can be conveniently applied to the interior of a child room and applied to windows with relatively high height; the sliding friction force of the positioning sleeves is changed into rolling friction through the guide structure, so that pulling of the positioning sleeves is more labor-saving, and convenience is brought for children to operate; meanwhile, the positioning sleeves are more uniform in stress, so that the opening and closing effect of the curtain is better; simultaneously, the opening and closing structure drives the curtain fabric to vibrate when driving the guide structure to roll on the sliding rod, so that insects can be effectively prevented from gathering on the curtain fabric, and the storage effect of the curtain fabric is better.

The invention relates to enzyme purification and separation equipment with high separation efficiency. The equipment comprises a frame body and a separation box arranged on the frame body, a liquid inlet pipe for a mixed solution to enter the separation box is arranged on the bottom wall of the separation box and communicated with the separation box, a liquid outlet pipe is arranged at the bottom of the side wall of the separation box and communicated with the separation box, switches are arranged on the liquid inlet pipe and the liquid outlet pipe, a first filter plate is arranged in the separation box in a crossing and sealing mode, the first filter plate is arranged in the separation box in a sliding mode in the height direction of the separation box, a driving mechanism used for driving the first filter plate to move in the height direction of the separation box is arranged on the separation box, an opening and closing mechanism used for opening or closing filter holes in the filter screen is arranged on the first filter plate, and a discharging mechanism used for pushing separated enzyme into the liquid outlet pipe is arranged on the side wall of the separation box. The equipment has the advantage of improving the enzyme separation efficiency.

The invention discloses a closed electro-hydraulic gate valve and belongs to the technical field of gate valves. The closed electro-hydraulic gate valve comprises a hydraulic station and a gate valve used with each other. The gate valve comprises a gate body and a cylinder connected with each other. After fitting, the cylinder is connected with the hydraulic station. The full-closed gate body is made of stainless steel. The closed electro-hydraulic gate valve is powered by the hydraulic station, effective in opening and closing, free of jamming, safe and reliable. In addition, the special gate body is ensured to be free of gas leakage during closing, and the closed electro-hydraulic gate valve is safe and durable. The closed electro-hydraulic gate valve is compact in structure, easy to maintain, and suitable for popularization and application in production and operation.