34results about How to "Linkage is reliable" patented technology

The invention belongs to the field of centrifugal pumps and particularly relates to a series-parallel connection centrifugal pump which has the flow channel series-parallel connection switching capacity. The series-parallel connection centrifugal pump comprises a pump body and a pump shaft. The pump shaft is provided with two impeller parts, and a first cavity channel and a second cavity channel are formed in a pump cavity corresponding to the two impeller parts. A first bypass flow channel, a second bypass flow channel, a first liquid outlet flow channel and a second liquid outlet flow channel are formed in the pump body, wherein the first bypass flow channel and the second bypass flow channel are used for communicating an outlet of an external liquid inlet pipeline and an inlet of the first cavity channel as well as the outlet of the external liquid inlet pipeline and an inlet of the second cavity channel respectively, and the first liquid outlet flow channel and the second liquid outlet flow channel are used for communicating an inlet of the external liquid outlet pipeline and an outlet of the first cavity channel as well as the inlet of the external liquid outlet pipeline and an outlet of the second cavity channel. A branch flow channel is further arranged in the pump cavity, one end of the branch flow channel is communicated with a liquid inlet of the second cavity channel, and the other end of the branch flow channel is communicated with the first liquid outlet flow channel to form a three-way joint. The series-parallel connection centrifugal pump further comprises a switching part, a switching assembly is arranged at the second liquid outlet flow channel, and the switching assembly and the switching part are in electric linkage or mechanical linkage. Due to the linkage structure, the series-parallel connection centrifugal pump is reasonable and practical in structure, long in service life and reliable and stable in work.

The invention discloses an atomizing device supporting multiple smoking modes. The atomizing device comprises the following components: a host shell (7); a main bracket (2); an upper end cover (1); anatomizer (5), arranged on an atomizer base (211); and a lower end cover (4). The invention further discloses a use method of the atomizing device. The atomizing device disclosed by the invention supports three smoking modes, and the smoking modes and air flow channels can be synchronously switched; the low-temperature baking fragrance generation temperature is controlled precisely; cigarettes arefully used; the smoking comfort is high.

The invention discloses an automatic separating device of an electric connector, and comprises a shell body. A connector base is arranged on the shell body; an insertion separating port is arranged on a panel of the shell body; a guide rail is movably assembled on a guiding device which guides in the plugging direction of the connector in the shell body; the connector base is movably assembled on the guide rail in the guiding direction of the guide rail; an automatic guide rail return mechanism which drives the guide rail to move to the return position in the plugging direction is arranged on the guide rail; an automatic connector base return mechanism which drives the connector base to move from the separation position to the splicing position is arranged on the connector base; and a retaining tongue locking mechanism for preventing the connector base from moving to the return position is arranged on the shell body in the splicing position of the insertion separating port. The power components of the separating device is used for skillful unlocking by utilizing external force from vertical and plugging direction; the separating action is realized by the guide rail return mechanism; the unlocking and the separating action can be completed instantly. Therefore, the separating device has the advantages of reliable linkage and no interference on an external system.

The invention discloses an integral passive broken belt protection device and an integral passive broken belt protection method for a belt conveyor. The device mainly consists of a rack and an upper self-locking wedge block, an upward overturning mechanism, a downward overturning mechanism, a lower self-locking wedge block and an overturning link gear which are arranged on the rack. A belt of the conveyor is controlled by the overturning link gear arranged between the upward and downward overturning mechanisms; when the conveying belt normally operates, the overturning mechanisms are kept balanced under the action of counter weights and a pressing force of the conveying belt; and when the conveying belt is broken, the pressing force of the conveying belt disappears and the balance is broken, and thus, a counter weight plate and a counter weight block are deflected to generate the torque to enable the upward and downward overturning mechanisms to be respectively self-locked with the upper and lower self-locking wedge blocks, so that the broken belt is clamped and braked. The integral passive broken belt protection device has a simple structure, is convenient to use, has high response speed, is simple to reset, is reliable to capture, is convenient to maintain, is particularly suitable for integral binding cloth of the rubber belt of the mine underground belt conveyor and is also suitable for other belt conveyors.

The invention discloses energy recycling equipment of aeration water flow. The energy recycling equipment comprises a barrel, wherein a vertical partition plate is arranged inside the barrel; the barrel is divided into a left part and a right part by the vertical partition plate; an aerating apparatus of an aerating system is arranged at the bottom of the right barrel; paddles capable of being impacted by aeration water flow are respectively arranged inside the left barrel and the right barrel of the barrel, and drive an output shaft to rotate and output energy; the vertical partition plate is arranged inside the barrel; the aerating apparatus is arranged at the lower part of the right barrel, so that the flow inside the two barrels is different in direction; the paddles are impacted by the water flow in different directions inside the two barrels, so that the energy recycling equipment can rotate along the same peripheral direction, and drives the output shaft to rotate. Thus, kinetic energy of the water flow generated by aeration is converted into reusable energy.

The invention provides a leakage protection system of a switching device and a circuit breaker, and the system comprises: a housing which is internally provided with a partition plate to divide an inner cavity of the housing into a first assembly cavity and a second assembly cavity which are arranged side by side; an L-pole circuit breaking module which is mounted in the first assembly cavity and comprises a handle, an L-pole movable contact frame, a jump pin and a lock catch; the jump pin is pivoted on the L-pole movable contact frame and is in linkage fit with the handle; the lock catch is pivoted on the L-pole movable contact frame in a resettable manner and is in buckling fit with the jump pin; and an electric leakage protection module which is installed in the second assembly cavity and comprises an electric leakage release, an unlocking lever and an N-pole movable contact frame, wherein the unlocking lever and the N-pole movable contact frame are coaxially pivoted to the shell, one side of the unlocking lever is connected to the electric leakage release, and the other side of the unlocking lever is provided with an unlocking part extending transversely. The N-pole movable contact frame and the L-pole movable contact frame are connected through a linkage shaft penetrating through the linkage avoiding hole so as to synchronously swing. The mechanism is more compact in structure, smaller in size and more reliable in linkage.

The invention discloses a water heater which comprises a solar heating device, a gas heating device, a water delivery pipeline, a water temperature detection device and a control device. The water delivery pipeline sequentially penetrates the solar heating device and the gas heating device; the water temperature detection device is arranged between the solar heating device and the gas heating device and is used for detecting the temperature of water in the water delivery pipeline; the control device is connected with the water temperature detection device and the gas heating device and is usedfor controlling the gas heating device on the basis of the temperature of the water. The water heater has the advantages that the temperature of the water in the water delivery pipeline can be directly detected by the water temperature detection device and can be conveniently, quickly and accurately detected, and the water heater is high in control precision and response speed and low in production cost.

A light emitting diode product inspection device disclosed by the invention comprises a detection shell, a detection cavity with an upward opening is formed in the detection shell, the left side and the right side of the detection cavity are provided with moving cavities in a communicating mode, the left side and the right side of the detection cavity are in bilateral symmetry, the lower side of the detection cavity is provided with a transmission cavity in a communicating mode, and the transmission cavity is located on the lower sides of the moving cavities. The upper side of the transmission cavity communicates with two guide cavities which are symmetrical left and right, and the bottom wall of the transmission cavity is rotationally provided with two lifting threaded sleeves which are symmetrical left and right. According to the invention, the quality qualified state of the light emitting diode and the diode conductive column can be detected by clamping, lifting and reciprocating twice, the intelligent level is high, the manual labor force is reduced, the lighting condition of the light emitting diode and the diode conductive column can be detected, and whether the light emitting diode and the diode conductive column have the effect of single energization of the diode can also be detected.

The invention discloses an Internet of Things local device linkage method based on an MQTT message driving mechanism. The method specifically comprises the following steps: (1) arranging an equipmentlinkage rule engine at a cloud end, and associating a rule configured by the rule engine to a selected edge gateway; and (2) issuing configuration to an edge gateway end, carrying out edge calculationand rule engine logic linkage, specifically executing on an edge end, and when the network is unreliable, executing by local equipment according to user pre-configuration. The method has the beneficial effects that when the network is unreliable, local equipment still executes according to the pre-configuration of a user, so that the centralized processing pressure of a cloud platform is shared,and meanwhile, the local real-time reliable equipment linkage is realized without depending on a public network.

The invention discloses a small-diameter cylinder sewing machine. The machine comprises a rack, a head arranged on the rack and a cylinder located below the head, wherein an eccentric mounting throughhole located above the axis of the cylinder is formed in the cylinder, a moving cutter shaft barrel is mounted in the eccentric mounting through hole, and a rotating hook shaft is mounted in the moving cutter shaft barrel; the moving cutter shaft barrel and the rotating hook shaft share one drive motor as power; the motor is connected with a drive shaft, and a cam seat and a drive assembly are connected onto the drive shaft; the cam seat is linked with a crank connecting rod assembly linked with the moving cutter shaft barrel; the drive assembly is linked with the rotating hook shaft; a clutch control assembly is used for controlling separation and combination of the crank connecting rod assembly and the cam seat to realize intermittent thread trimming. Thus, structural design of the cylinder, the moving cutter shaft barrel and the rotating hook shaft is used, the moving cutter shaft barrel and the rotating hook shaft share one drive motor as power, so that the design space is effectively saved, miniaturization design of the cylinder is facilitated, and the thread trimming demand of small object or small area processing is met.

The invention belongs to the technical field of linkage equipment, and provides a linkage device and a DR shooting machine. The linkage device comprises a guide base, a mounting block, a linkage block, a linkage positioning block and a first elastic component; the linkage block is slidably arranged on the guide base in the vertical direction; the linkage positioning block is slidably arranged on the mounting block in the longitudinal direction and provided with a groove, and buffering slopes are arranged at the two sides of the groove; the first elastic component is arranged on the mounting block and used for providing longitudinal elastic force for the linkage positioning lock, the guide base is used for being connected with a first linkage part, and the mounting block is used for being connected with a second linkage part. According to the linkage device and the DR shooting machine, the problem in the prior art that a linkage mechanism cannot be connected or is not easily separated due to excessive fastness is solved.

The invention provides an air conditioner with a rotatable filtering mechanism. The air conditioner comprises air openings, filtering devices and rotating volute tongues, wherein each filtering deviceis provided with an avoiding state for avoiding or partially shielding the corresponding air opening as well as a filtering state for completely shielding the corresponding air opening, and each rotating volute tongue is provided with a third state for shielding a part of the corresponding air opening and a fourth state for staying away from the corresponding air opening. According to the air conditioner with the rotatable filtering mechanism, one driving mechanism is in transmission fit with one filtering device and one rotating volute tongue in a corresponding way, so that the number of driving motors is reduced to the greatest extent, the reliable linkage between the filtering devices and the rotating volute tongues is effectively guaranteed; and meanwhile, when the rotating volute tongues shield static filtering mechanisms, the problem that air flow is blown out from the static filtering mechanisms so as to blow out dust when each air opening is taken as an air exhaust opening canbe prevented, the use experience for a user as well as the long-term use performance can be improved, the service life is prolonged, and the health of the user is guaranteed.