14results about How to "Change connection method" patented technology

The utility model discloses a noise reduction type double-cavity air spring structure which comprises an upper top seat and a shock absorber, the upper top seat comprises an upper shell and a lower shell, the upper shell is arranged at the upper end of the lower shell, and a reinforcing structure is arranged on the upper shell; a piston is arranged outside the shock absorber, a bag skin is connected between the bottom end of the lower shell and the top end of the piston, a protective barrel is arranged outside the bag skin, a dust cover is arranged between the bottom end of the protective barrel and a piston cushion block, and the piston cushion block is arranged among the bottom of the piston, the shock absorber and the dust cover.

The utility model relates to medical instrument technical field discloses a cheek tongue mucosa protection device, including blade foot, the upper end fixed mounting of blade foot has connecting rod, the one end of connecting rod is away from blade foot and is with handle swing installation through quick -release component, the outer wall fixed sleeve of handle has the protective sleeve, the outer wall evenly distributed of protective sleeve has antiskid convex stripe, the back of blade foot is hinged to one -numbered protection board through first hinge. The utility model through the cooperation between blade foot, handle, protective sleeve and antiskid convex stripe, utilize the setting of antiskid convex stripe, realized the contact action of staff hand and handle, effectively solved the problem that handle slips in the hands of medical staff because of the smooth surface, adopt the mode that antiskid convex stripe and staff hand directly contact, increased the friction of handle and medical staff hand contact surface, thereby reinforced the stability of protection device in the use process.

The invention discloses a data line, which belongs to the technical field of data lines, comprises a line body and connecting plugs at the two ends of the line body, the two ends of the line body are electrically connected with the connecting plugs, and is characterized in that a first body and a second body switch the charging state, the data transmission state and the charging data transmission state of the data line through a switching mechanism; the data line has the beneficial effects that the switching mechanism is creatively arranged, switching of the charging state, the data transmission state and the charging data transmission state of the data line is achieved, the core wire connection mode in the line body can be changed, three modes of only charging, only data transmission and simultaneous charging data transmission can be achieved, only charging is achieved, and only data transmission is achieved. And only the core wires are connected in parallel in pairs during data transmission, so that the resistance of the core wires is reduced, the current is increased under the condition that the input voltage is not changed, the charging efficiency and the data transmission efficiency are improved, and the use requirements are well met.

The invention discloses an air spring structure and a vehicle, the air spring structure comprises a piston and a shock absorber, and a blank cap is arranged between the piston and the shock absorber; by the adoption of the air spring structure, installation is convenient, the problem of torsion abnormal sound of an air spring is solved, and the purpose of reducing noise is achieved.

The invention discloses a heavy-load quick-change joint, comprising a base plate for connecting to a boom and a connecting plate for connecting to a heavy load; a pin is arranged on the connecting plate, and an inwardly concave groove is arranged on the side of the pin near the end; an upper support and a lower support are stacked in sequence from top to bottom on the base plate, the upper support is movably connected to the lower support, and the lower support is movably connected to the base plate, a through hole matching the pin is arranged on the upper support, a limiting hole connected to the through hole and matching the groove is arranged on the side of the through hole, a power mechanism for driving the lower support to slide relative to the base plate and the upper support is arranged on the base plate, and a limiting plate for limiting the upper support is arranged on the side of the lower support away from the power mechanism; the invention enables the telescopic arm to be quickly disassembled and assembled between different heavy loads through the quick-change joint, without manual operation and without connection through connecting parts such as bolts or pins, thereby changing the connection mode, reducing labor intensity, and improving production efficiency; and the device has a simple structure and is easy to operate.

The utility model discloses a shaft anti-falling net, relates to the technical field of inspection well anti-falling net installation, solves the problem that an anti-falling net is inconvenient to connect with a plurality of expansion bolt hooks, and comprises a concrete walling crib, and an annular groove used for installing a well lid is formed in the top of the concrete walling crib. A plurality of pipe sleeves arranged in an annular array mode are embedded in the inner bottom wall of the annular groove, an anti-falling net assembly is installed in the annular groove, inserting rods corresponding to the pipe sleeves are fixedly installed at the bottom of the anti-falling net assembly, and the inserting rods are inserted into the pipe sleeves. According to the utility model, the insertion rod at the bottom of the anti-falling net assembly is inserted into the pipe sleeve in the concrete well ring, so that the installation of the anti-falling net assembly can be realized, the connection mode that a net body of the anti-falling net is hung on a hook of an expansion bolt in the prior art is changed, and the installation efficiency is improved.

The utility model discloses a box body module of air treatment equipment. The box body module comprises corner frame beams, wall surface framework beams, corner connecting pieces, intersection connecting pieces and wall plates, the corner frame beams are connected with the corner connecting pieces in an inserted mode. The corner frame beam comprises two first connecting plates which are vertically arranged, and first clamping grooves are formed in the first connecting plates; the wall face framework beam comprises two second connecting plates which are located on the two sides and arranged in parallel, and second clamping grooves are formed in the second connecting plates. The intersection connecting piece comprises a positioning block, and a connecting hole is formed in the positioning block; one side of the positioning block is provided with an inserting part which is used for being inserted into the end part of the wall surface framework beam, and the other side of the positioning block is propped against the side surface of the corner frame beam; and the wall plate is mounted on the first connecting plate and the second connecting plate. The end portions of the wall face framework beams can directly support the side faces of the corner frame beams through the intersection connecting pieces, and the overall strength of the box body module is enhanced.

The embodiment of the invention provides a display panel and a display device, and relates to the technical field of display, and the layout design of a pixel circuit is better. The display panel comprises a substrate and a pixel circuit located on one side of the substrate. The pixel circuit comprises a driving transistor; the grid electrode of the data writing transistor is electrically connected with the first scanning line, the first electrode is electrically connected with the data line, and the second electrode is electrically connected with the first electrode of the driving transistor; the grid electrode of the anode reset transistor is electrically connected with the first scanning line, the first pole is electrically connected with the reset line, and the second pole is electrically connected with the light-emitting element; wherein the anode reset transistor and the data write-in transistor of the same pixel circuit are electrically connected with the same first scanning line.

The utility model discloses a detachable cordwood pet case, relates to pet case technical field, including bottom plate, the upper side front end of bottom plate is slidingly connected with the front side plate, the upper side left end and the upper side right end of bottom plate are both slidingly connected with the side vertical plate, the upper ends of the inner sides of two sets of side vertical plate are slidingly connected with the top plate, the rear end of the upper side of the bottom plate is slidably connected with a rear side plate. According to the pet box, the first T-shaped sliding rail, the first T-shaped sliding groove, the second T-shaped sliding groove, the third T-shaped sliding groove, the second T-shaped sliding rail and the third T-shaped sliding rail are arranged, on the premise that the overall stability of the pet box is guaranteed, the connecting mode of all components of the pet box is effectively changed, the pet box is convenient to disassemble, and the pet box is convenient to use. The idle pet box is prevented from occupying the internal space of a house, the activity space of a pet owner is expanded, the life quality of people is improved, meanwhile, the disassembly time of the pet box is shortened, the connecting structure of the pet box is effectively prevented from being damaged, and the repeated utilization rate of the pet box is improved.

Disclosed are a rectifier circuit comprising full-wave rectification power modules and a method for regulating the same. The rectifier circuit comprises at least one complete power module, at least one simplified power module and at least one additional module, wherein the complete power module can independently complete power conversion, and the simplified power module cooperates with the complete power module through the additional module. Compared with the prior art, the output characteristics of the rectifier circuit according to the embodiments of the present application are more adjustable, and the output characteristic regulation means is more diversified.

The present invention belongs to the technical field of grinding equipment, and specifically discloses a nano-ceramic pre-treatment device, including a grinding unit and a clamping unit, wherein the grinding unit is located above the clamping unit, and the grinding unit includes a first driving mechanism and a first grinding block, wherein the first driving mechanism is used to drive the first grinding block to move vertically, horizontally, and forward and backward; the first grinding block is an inverted L-shaped structure; the clamping unit includes a supporting mechanism and two groups of clamping and grinding mechanisms, wherein the supporting mechanism includes a first driving part and a supporting block, wherein the first driving part is used to drive the supporting block to move vertically back and forth; the two groups of clamping and grinding mechanisms are respectively arranged on the left and right sides of the supporting unit; each group of clamping and grinding mechanisms includes a second driving part, a second grinding block, a fixed part, and a moving part; the second grinding block is used to clamp and grind the metal plate. The above device can solve the problem that the grinding device in the prior art cannot completely grind the metal plate, thereby affecting the performance of the nano-ceramic product.

The present invention discloses a design method of a modular dual three-phase winding structure for improving the fault tolerance of a permanent magnet motor, determining different modular winding structures, and determining the harmonic order of the armature synthetic magnetomotive force according to the different distribution laws of different modular winding structures on the stator circumference; determining that the harmonic content of the armature winding magnetomotive force is the main factor affecting the self-inductance of the motor according to the winding function theory; determining that the short-circuit current of a certain phase is inversely proportional to the self-inductance of the motor in combination with the equivalent circuit diagram when a certain phase is short-circuited and the vector diagram under the d-q axis reference system; determining that the magnetic isolation capability between modules of different modular winding structures is determined according to the armature synthetic magnetomotive force function of modules I and III in different modular winding structures; determining the optimal modular winding structure by comparing the short-circuit current of a certain phase and the magnetic isolation capability between modules of different modular winding structures. The method of the present invention solves the problem of poor fault tolerance of the dual three-phase motor of the traditional design.

The utility model provides an inner core of a hand-throwing type simulation training device, which relates to the technical field of military and police combat training equipment and comprises a cylindrical base, a circuit board supporting plate, a circuit board, an elastic electrode needle, a vertical elastic electrode needle and an exhaust hole. The circuit board is fully wrapped by the filling material by additionally arranging the exhaust holes of the circuit board supporting plate, the elastic electrode needles are used, conduction of electric signals is achieved, the connection mode of the circuit board and the cylindrical base is changed, damage to the circuit board and electrical parts caused by shell vibration in the throwing process is reduced, the explosion starting probability of an acousto-optic medium is guaranteed, and the service life of the acousto-optic medium is prolonged. The throwing times and the service life of the simulated bomb are greatly improved; the section shapes of the cylindrical base and the circuit board supporting plate are changed to be D-shaped, so that the consistent holding effect of the simulated bomb and the standard bomb is improved while the weight simulation performance is met.