16results about How to "Guaranteed automatic reset" patented technology

The invention discloses a cutting and forming device for building block manufacturing, and relates to the technical field of building block cutting and forming devices.The cutting and forming device comprises a base and a support, the support is fixedly installed on the surface of the base, a sliding table is slidably installed on the surface of the support, a motor and a saw blade are arranged in the sliding table, and a saw chain sleeves the surface of the saw blade and is connected with the output end of the motor; a telescopic rod is rotatably installed on the surface of a base, a gland is fixedly installed at the free end of the telescopic rod, the gland is attached to the surfaces of bricks by rotating the gland, the horizontal height of the gland is adjustable through the telescopic rod so as to adapt to the bricks of different heights, and the bricks of different models can be effectively fixed; a hook is rotatably mounted at the position, close to the buckle, of the surface of the gland, and the gland is provided with a telescopic rod, so that the gland can fix bricks of different heights to adapt to cutting of different types of bricks.

The utility model discloses a chemical equipment safety guard railing, which comprises a guard railing body and a guard railing door, a connecting mechanism is arranged between the guard railing body and the guard railing door, the connecting mechanism comprises a fixing block, a clamping sleeve, a connecting plate, a fixing sleeve, a clamping piece, a clamping groove and a dismounting mechanism, the fixing block is fixed on the outer wall of the guard railing body, and the connecting plate is fixed on the outer wall of the guard railing body. According to the connecting mechanism of the protective fence, the fixing block and the clamping sleeve are matched in an inserted mode, the elastic clamping piece and the clamping groove are automatically clamped, rapid and accurate butt joint of the protective fence body and the protective fence door is achieved, the pre-tightening force of the compression spring ensures the connection stability, the installation efficiency is remarkably improved, and tedious operation of traditional bolt fixing is avoided.

A kettle lid includes a base, a lid body, a connecting plate, a lid, a handle, and a linkage. The base has a first opening; the lid body is connected to the base to form a receiving space together with the base, and the lid body has a first through-hole, a second through-hole, and a third through-hole. The first through-hole communicates with the first opening, and the second and third through-holes both communicate with the receiving space. The connecting plate is rotatably connected to the lid body or the base to selectively cover the second through-hole. The lid is connected to the connecting plate to selectively cover the first through-hole as the connecting plate rotates. The handle passes through the third through-hole and is rotatably connected to the base or the lid body, and can move within the third through-hole, with part of the handle exposed outside the receiving space. The linkage is located within the receiving space and connected between the connecting plate and the handle. When the handle rotates relative to the base, the linkage drives the connecting plate to rotate, thereby opening and closing the lid. This application also provides a kettle with the aforementioned lid.

The utility model belongs to the technical field of automobile model frame forming equipment, and particularly relates to an automobile model frame die-casting forming device which comprises a lower die-casting die shell and an upper die-casting die shell buckled with the lower die-casting die shell, and a casting hole is formed in the center of the upper end of the upper die-casting die shell. A dismounting structure is connected between the lower die-casting die shell and the upper die-casting die shell; the disassembly and assembly structure comprises lower fixing plates and upper fixing plates, the lower fixing plates are fixedly installed on the surfaces of the two ends of the lower die-casting die shell, the upper fixing plates are fixedly installed on the surfaces of the two ends of the upper die-casting die shell, and inserting vertical rods are fixedly welded to the surfaces of the upper ends of the lower fixing plates. And the limiting insertion rods and the limiting insertion holes are in matched insertion connection, so that rapid positioning and stable connection of the mold are achieved. In the disassembly and assembly process, an operator can easily separate or lock the mold only by pulling the sliding butt strap, and complex tools and tedious steps are not needed.

This application relates to the technical field of security doors, and discloses a one-way security door, comprising: a door body, rotatably mounted on a building; a baffle, fixedly mounted on the building, wherein the door body is in contact with the baffle when closed; a first torsion spring for driving the door body to always have a tendency to rotate towards the baffle; a first sensor for detecting whether the door body and the baffle are in contact; and a first alarm, electrically connected to the sensor, wherein when the door body leaves the baffle for a predetermined time, the first sensor triggers the first alarm. This application enables the security door to remain in a normally closed state, improving the protective effect of the security door.

The utility model discloses a kind of multi-position shoe dryers, including machine body, drying assembly is arranged on the machine body, the drying assembly includes filter plate and fixed plate, the filter plate is detachably arranged on machine body, the fixed plate is installed at the both ends of filter plate, motor is installed in the bottom of machine body, the output end of motor is connected with rotating rod, rotating rod is evenly installed with rotating plate, the rotating plate is evenly installed with heating rod, the fixed plate is provided with release assembly, the release assembly includes fixed rod and fixed sleeve, the fixed rod is installed on machine body, the fixed rod is slidably connected with fixed plate, the fixed sleeve is detachably installed on fixed rod, the fixed sleeve is installed with abutting plate, to solve the technical problem that the existing dryer mentioned in background art has obvious deficiency in multi-position drying function.

The utility model provides a manual coffee powder stirrer, and relates to the technical field of coffee making tools. The powder stirrer comprises: a support body provided with an open accommodating space; the stirring structure is rotatably arranged in the open accommodating space; the pressing structure comprises a transmission rod, a pressing rod and a reset spring, one end of the transmission rod is connected with the stirring structure, the other end of the transmission rod penetrates through the supporting body and extends to the outer space of the supporting body, the pressing rod is arranged at the end, away from the stirring structure, of the transmission rod and is in telescopic fit with the transmission rod, and a rotation driving structure is arranged between the transmission rod and the pressing rod; the reset spring is used for resetting the transmission rod and the pressing rod after contraction; the positioning adjusting structure comprises a first limiting part and a second limiting part, and the first limiting part and the second limiting part are both arranged on the transmission rod; and the first limiting part is in magnetic attraction fit with the supporting body. The problem that the height of a stirring needle of a traditional powder stirrer cannot be adjusted is solved, and depth adjustment under different powder amounts and extraction requirements is met.

The utility model discloses a linear actuator for a humanoid robot, which relates to the technical field of linear actuators for robots and comprises a shell, limiting lines are annularly and uniformly distributed on the inner wall of the shell, a moving plate is slidably connected into the shell through the limiting lines, and a universal ball seat is arranged at the top of the moving plate. A plurality of spherical joints which are sequentially connected are arranged at the top of the universal ball seat, the output end of the linear actuator can be bent in any direction in the mode that the universal ball seat is connected with the spherical joints, and the linear actuator can still effectively rotate or stretch out and draw back after being bent. In the rotating and stretching process, the spherical joint can adapt to different bending and transmission angles, a guide ring and a guide plate are arranged on the top and in the shell correspondingly, the spherical joint part which does not stretch out completely is limited, and it is guaranteed that the spherical joint part can automatically reset in the stretching or retracting process; the situation that the spherical lamp joint cannot effectively rotate and stretch out and draw back under the bending state due to the influence of the shape of the spherical lamp joint is avoided.

The utility model discloses a kind of anti-permeameter for concrete impermeability test, including detection table, test mould seat is installed on the detection table, the test mould seat is provided with multiple groups and top end is provided with mounting mechanism, the mounting mechanism includes mounting sleeve and clamping block, the mounting sleeve is fixed in test mould seat inside and outer wall is provided with sliding slot, the sliding slot is provided with multiple groups, the clamping block is provided with multiple groups and respectively sliding in multiple clamping blocks, test mould sleeve is inserted in the mounting sleeve, the test mould sleeve outer wall is provided with clamping groove, the clamping groove is provided with multiple groups and respectively with multiple clamping blocks abut, multiple clamping blocks outside are provided with control sleeve, rotating sleeve is rotatably arranged outside mounting sleeve, accurate sliding and clamping groove are realized in multiple clamping blocks in sliding slot Even multiple-point contact fixation, rotating sleeve and the linkage mechanism cooperation positioning sleeve and positioning block of push block control, so that operator only needs to carry out simple rotating rotating sleeve operation to complete the synchronous fixation of all clamping points.

This invention relates to the field of flange bolt hole centering technology, specifically a device for high-precision reproduction of the center of bolt holes in thick flanges. The device includes a centering main frame that can be inserted into the bolt holes of the flange body, a target head component fixedly mounted at the top of the centering main frame, with a target center for measurement at the top center of the target head component, and a lifting component movably disposed axially inside the centering main frame. This invention provides high-precision bolt hole center coordinates, ensuring the processing accuracy of prefabricated flange pipe sections from the source, completely avoiding the occurrence of "misaligned holes" during on-site installation, improving installation efficiency, ensuring the sealing and safety of equipment connections, and reducing the huge costs and project delays caused by modifying or scrapping pipe sections.

The utility model relates to an environment-friendly building material crushing treatment batch feeding device which comprises a batching barrel, a feeding port is connected to the upper side of the left portion of the batching barrel, a driving motor is installed on the upper side of the batching barrel, a rotating frame is connected to an output shaft of the driving motor, four inner cavities are formed in the rotating frame, and rotating plates are rotationally connected to the inner cavities. First torsional springs are connected between the rear sides of the left and right parts of the rotating plate and the adjacent inner cavities, four fixing pipes are connected to the lower portion of the rotating frame, ratchet wheel frames are slidably connected to the fixing pipes, a fixing frame is connected to the lower portion in the batching barrel, and ratchets are rotatably connected to the lower side of the rotating plate; and second torsional springs are connected between the left and right sides of the ratchets and the adjacent rotating plates. The driving motor drives the rotating frame to rotate, materials can be distributed in the four inner cavities in the rotating process, the rotating plate is turned over downwards under the action of gravity, the automatic batch feeding function is achieved, and impact damage to smashing equipment due to the fact that a large number of materials are input at a time is avoided.

The utility model discloses a gas pressure regulating valve group which comprises a valve body, a communicating bin is arranged on one side of the valve body, a regulating device is arranged on one side of the communicating bin, the regulating device comprises a fixing pipe, an output pipe, a regulating sleeve, a regulating sleeve, a regulating hole, a regulating rod, a control rod and a control sleeve, the regulating hole is formed in the side wall of the regulating sleeve, the regulating rod is arranged on the inner side of the regulating sleeve, and the control sleeve is arranged on the side wall of the regulating sleeve. The control sleeve is connected with the control rod through threads, a locking mechanism is arranged on the outer side of the output pipe and comprises a shifting block, a shifting spring, a shifting sleeve, a clamping block, a linkage spring, a shifting rod, a shifting plate, a shifting hole, a limiting block, a round block and a clamping wheel, the two ends of the shifting spring are connected with the shifting block and the limiting block respectively, and the linkage spring is connected with the adjacent clamping block. The shifting rod is connected to one side of the shifting sleeve, the shifting hole is formed in the shifting plate, the round block is installed on the outer side of the output pipe, and the clamping wheel is installed on one side of the clamping block.

The utility model discloses a novel wheaten food storage container sealing safety structure which comprises a base, a storage device is arranged on the base and comprises a storage tank, side covers and mounting plates, the storage tank is mounted on the base, the side covers are arranged on the two sides of the storage tank, the mounting plates are connected to the outer sides of the storage tank and the side covers, splicing devices are arranged on the mounting plates, and the splicing devices are connected with the storage tank. The splicing device comprises a clamping rod, a clamping sleeve, a movable block, a clamping groove, a control sleeve, a control block, a fixing shaft, a matching plate, a clamping block and a control groove, the movable block is connected to one end of the clamping rod, the clamping groove is formed between the clamping rod and the movable block, the two ends of the matching plate are connected with the control block and the clamping block, and a locking mechanism is arranged on the outer side of the clamping sleeve. The cooked wheaten food storage container not only solves the problems that a traditional cooked wheaten food storage container is inconvenient to clean, tedious to disassemble and assemble and unstable in structure, but also remarkably improves practicability and reliability of equipment through mechanical linkage and multiple protection, and has important significance on improving use efficiency and storage safety of the cooked wheaten food storage container.

The utility model relates to the technical field of power equipment, in particular to an extensible prefabricated module cabinet PDU device which comprises an input end assembly, a middle output end socket assembly, a tail end output end socket assembly and a locking device. The end, away from the first hanging lug, of the input end assembly and the end, away from the first hanging lug, of the middle output end socket assembly are each provided with an electric connecting groove, and the end, away from the electric connecting grooves, of the middle output end socket assembly and the end, away from the electric connecting grooves, of the tail end output end socket assembly are each provided with an electric connector. According to the utility model, the components and the matched locking devices are arranged, so that the connection among the components is simple and quick, the installation difficulty and time cost are greatly reduced, and the prefabricated module design means that all the components are manufactured according to standard specifications, so that the transportation and storage are convenient, the space in the cabinet can be effectively utilized, and the installation is convenient. And maximum utilization of resources is realized.

The utility model discloses a base for computer gateway, including gateway body and seat body, be provided with quick solid establishment on the seat body, quick solid establishment includes fixed plate and plug rod, and fixed plate is provided with multiple groups of abutment in the outer wall of gateway body, and plug rod is provided with multiple groups of fixed in seat body top surface and all fixed with the plug block of outer wall, and the plug hole is set up on the fixed plate, and the plug hole is provided with multiple groups and respectively with multiple groups of plug block and inserts, and the plug rod top is equipped with the rotation sleeve, and the inner wall of rotation sleeve is fixed with the clamping block, and the clamping block is provided with multiple groups and all outer wall is seted up with the card hole, and the plug rod outer wall is fixed with the mounting block, and the mounting block is provided with multiple groups and all outer wall is fixed with the clamping plate, and this mechanism adopts the structural form that fixed plate cooperates with plug rod, and fixed plate can directly abut in the outer wall of gateway body, and the plug block fixed on plug rod can realize quick plug -in connection with the plug hole on fixed plate, and do not need to use screwdriver special tool and carry out the tightening operation of each bolt.

The application discloses a dustproof deep-groove ball bearing, which comprises a bearing outer ring, a bearing inner ring and balls, the bearing outer ring is coaxially sleeved on the bearing inner ring, the balls are arranged between the bearing outer ring and the bearing inner ring, both ends of the bearing outer ring are provided with sealing cover plates, a sealing element is arranged between the bearing outer ring and the bearing inner ring, the sealing element is located between two adjacent balls, end faces of the two sealing cover plates are arranged on the sealing element, sealing grooves extending along the grooves are formed in the inner side wall of the bearing outer ring and the outer side wall of the bearing inner ring, and a limiting block is arranged on a radial side of the sealing element and slidably arranged in the sealing groove. The double-face sealing structure is adopted to form two dustproof barriers, the sealing element is stable in installation and does not affect the operation of the bearing, the sealing cover plates can be disassembled and replaced with lubricating grease, the problems that the traditional bearing has poor dustproof effect and the solidified lubricating grease is difficult to replace are solved, and the operation stability and service life of the bearing are improved.