195 results about "Retaining Pin" patented technology

A fail-safe sealing system for a watercraft includes a self-bailing drain plug having an outer wall with a proximal end having a proximal opening, a distal end having a distal opening, and a fluid conduit that extends from the proximal opening to the distal opening. The sealing system includes a check valve including a ball disposed within the fluid conduit and being surrounded by the outer wall, and a ball retaining pin extending between opposite lateral sides of the outer wall adjacent the proximal opening for preventing the ball from passing through the proximal opening. The sealing system includes a sealing cap having a bayonet-style locking assembly that locks onto the ball retaining pin for securing the sealing cap to the proximal end of the outer wall for forming a water-tight seal with the proximal end of the outer wall of the self-bailing drain plug.

A weapon accessory mount for removably mounting an accessory on a weapon. The weapon accessory mount includes an accessory rail supported by a base with a weapon attachment interface that engages the weapon. The weapon attachment interface includes an alignment pin that interfaces a portion of the weapon and a retaining pin that couples to an additional portion of the weapon. The accessory rail utilizes mounting grooves to interchangeably couple weapon accessories to the weapon accessory mount. Furthermore, accessory interference locators are located within some of the mounting grooves to define weapon-accessory-specific locations along the accessory rail, in which a weapon accessory should not be mounted to. Additionally, the weapon accessory mount is configured for mounting non-boresight aligned optics to a weapon and locating the non-boresight aligned optic in relation to the weapon to use in tracking a target.

The invention relates to the related technical field of subway shields, in particular to an auxiliary cushion block structure for stacking shield segments, which comprises the shield segments, and a mounting mechanism is arranged on the surface of a screw shaft. According to the auxiliary cushion block structure for stacking the shield segments, through the arrangement of the mounting mechanism, the cushion block is mounted and dismounted through the mounting and dismounting seam of the rubber cushion block, the cushion block is communicated with the screw shaft hole and is laterally clamped, the replacement process is simplified, nuts do not need to be dismounted, and during mounting, a positioning pin penetrates through the outer supporting plate, the inner supporting plate and a second positioning hole of the rubber cushion block to determine the mounting angle of the cushion block; when a positioning pin is inserted, a limiting pin is clamped into a limiting hole of the sealing gasket under the action of a second spring, the positioning pin is stabilized, after a nut is locked, a rubber cushion block is firmly fixed, a loading and unloading seam is not separated, a second retaining pin at the tail end of a screw shaft prevents the nut from being separated, all the structures cooperate, and the sealing performance is improved. Component loss is avoided, and the structural stability and practicability of the auxiliary cushion block are improved.

A safing sector for a minigun including a housing with an opening adjacent to barrels of the minigun comprising a safing sector cover; one or more retaining pin assemblies configured to retain the cover to the housing over the opening; a safing sector slide member; a safing sector slide control mechanism including a locking arm configured to impart forward and rearward sliding movement of the safing sector slide member relative to the safing sector cover between at least a fire position and a safe position, and a locking mechanism pivotally coupled to the locking arm and including a shelf stop to engage a locking shelf of the safing sector cover to lock the locking arm and the safing sector slide member in the fire position.

A weapon accessory mount for removably mounting an accessory on a weapon. The weapon accessory mount includes an accessory rail supported by a base with a weapon attachment interface that engages the weapon. The weapon attachment interface includes an alignment pin that interfaces a portion of the weapon and a retaining pin that couples to an additional portion of the weapon. The accessory rail utilizes mounting grooves to interchangeably couple weapon accessories to the weapon accessory mount. Furthermore, accessory interference locators are located within some of the mounting grooves to define weapon-accessory-specific locations along the accessory rail, in which a weapon accessory should not be mounted to. Additionally, the weapon accessory mount is configured for mounting non-boresight aligned optics to a weapon and locating the non-boresight aligned optic in relation to the weapon to use in tracking a target.

The utility model discloses a pin tin soldering device based on differential mode PFC and inductor PFC, and relates to the technical field of pin tin soldering. The pin tin soldering equipment based on the differential mode PFC and the inductor PFC comprises a bottom plate, a supporting table is fixedly installed above the bottom plate, a limiting mechanism used for limiting the positions of a coil and a substrate is installed above the bottom plate, a tin soldering mechanism used for tin soldering is fixedly installed above the supporting table, and a tin soldering mechanism used for tin soldering is installed above the supporting table. The limiting mechanism comprises a stepping motor fixedly installed in the center of the bottom plate, brackets are installed at the four corners of the supporting frame, limiting blocks are installed at the four corners of the supporting frame, element fixing, fixed pin tin soldering, inductor pin tin soldering and taking-down after tin soldering can be conducted at the same time in the four directions of the supporting frame, and the supporting frame is fixed to the top end of a rotating shaft of the stepping motor. And the rotating angle of the supporting frame is adjusted through the stepping motor, so that the four corner areas of the supporting frame are moved into the next working area, and the efficiency is improved.

A surgical stapler includes an anvil portion, a portion of a tissue contacting surface of the anvil portion located on one side of a stapling groove having a first width and a portion of the tissue contacting surface located on the other side of the stapling groove having a second width, the first width being greater than the second width. Such an arrangement allows a certain error to be allowed as much as possible when firing the retaining pin, for example, even if the retaining pin is not accurately received by the retaining pin recess, the end of the retaining pin abuts against an enlarged tissue contact surface of the anvil portion without miss the anvil portion into tissue. The retaining pin abuts against the enlarged tissue contact surface, thereby resisting actuation of the anvil portion and cartridge towards the closed configuration, which enables an operator to perceive anomalies in actuation of the guide pin. In addition, the retaining pin abutting against the tissue contact surface of the anvil portion may return to the retaining pin recess under subsequent slight wobble or similar operations to allow subsequent surgical procedures.

The invention relates to a compression spring (2), preferably as an emergency spring for a bogie of a railway vehicle, with a spring upper part (5), a spring lower part (3) and with an elastomeric spring element (7) vulcanised in between, with a centrally inserted stop bolt (16). According to the invention, the stop bolt (16) is designed in two parts with a one-piece longitudinal bolt part (17) with lower bolt head part (18) and with a separate upper bolt head part (19), which telescopically engages over an upper region of the longitudinal bolt part (17) and is, preferably vertically, displaceable there, wherein in the assembled state of the compression spring (2) the stop bolt (16), with respect to the vertical-axis direction, is inserted from below with its longitudinal bolt part (17) on the compression spring lower part (3), the upper bolt head part (19) is inserted on the compression spring upper part (5) and the compression spring upper part (5) is displaced on the longitudinal bolt part (17) towards the elastomeric spring element (7), preferably in order to build up a spring element pretension, and in this position a retaining pin (23), preferably a cylindrical pin as retaining pin, is inserted as a holding pin in aligned transverse holes (21) in the upper bolt head part (19) and in an upper region of the longitudinal bolt part (17).

The utility model discloses a plasma skin therapeutic instrument handle mainboard fixing structure provided with a positioning clamping groove, which is characterized in that a fixed needle seat respectively penetrates into a front positioning hole of a front positioning plate and a middle positioning hole of a middle positioning plate through a large positioning column and a small positioning column and is welded and fixed, and a stepped positioning convex plate is arranged at the front end of a circuit board; the positioning convex plate is respectively clamped and positioned with a middle positioning groove of the middle positioning plate and a front positioning groove of the front positioning plate, the fixed needle seat is electrically connected with the output end of the transformer through a copper foil in a middle positioning hole, the middle positioning plate is positioned and mounted in the front positioning clamping groove of the handle through a clamping column, and the rear positioning plate is positioned and mounted in the rear positioning clamping groove of the handle through a convex column. The middle of the rear positioning plate is provided with a jack, and one side of the rear positioning plate is provided with a pin header which is electrically connected with a female header at the rear end of the circuit board. The electrode fixing needle seat and the circuit board are not easy to loosen and move, so that the high-voltage electrode is ensured to uniformly and vertically discharge at the central position of the front end of the operating handle of the skin therapeutic instrument to generate ionization reaction.

This invention relates to a non-metallic compensator insulation layer reset device, comprising a non-metallic skin, left and right guide cylinders, and left and right side plates respectively provided on the outer surfaces of the left and right guide cylinders. The left and right side plates are sealed together by the non-metallic skin, and an insulation layer is filled between the left and right side plates. Multiple fixing pins are provided on the outer surfaces of the left and right guide cylinders, which are inserted into the insulation layer and connected to the left and right guide cylinders respectively. A guide plate is provided at the upper end of the fixing pin, and a guide rod is provided on the guide plate. The guide rod is in close contact with the guide plate and is connected and fixed to the left and right side plates. This invention increases the friction and connection strength between the insulation layer and the left and right guide cylinders through the fixing pins, guide plates, and guide rods, enabling the insulation layer to reset in time during reciprocating motion and preventing the insulation layer from separating and forming heat transfer gaps. Even if a small gap appears between the fixing pin and the insulation layer, the guide plate can block the gap, preventing heat transfer, improving the heat insulation effect, and extending the service life of the product.

The bearing device comprises a bearing 10, which is provided with a first ring 12 and a second ring 14. The device comprises at least one insulating sleeve 26, which is attached to the second ring 14 and provided with a bushing 28 and with an insulating insert 30 made of electrically insulating material. The insulating insert is overmolded onto the second ring 14 and onto at least one of the outer and inner surfaces of the bushing 28 that define its radial thickness. The device further comprises an anti-rotation device 32, which is provided with at least one first retaining pin 42, which is at least partially seated in first slots 34, 40 of the bushing, the insulating insert and the second ring, a carrier 44 to which the first retaining pin is attached, and at least one axial retaining element 46 of the device.

On the base platform (1) there is an electric motor (2) connected using a horizontal central shaft (4) with a circular gravity flywheel (3) provided with retaining pins (10) along its perimeter. On the retaining pin (10) there is a rotary-mounted gravity arm (5) with the centre of gravity outside the retaining pin (10). In the upper dead end of the gravity flywheel (3) there is a tilt mechanism of gravity arms (5) to their working position. In the working position the gravity arms (5) are provided with latching elements, e.g. one-direction bearings by means of which the gravity arms (5) are attached on the retaining pins (10). The equipment has a tilt mechanism of gravity arms (5), consisting e.g. of a gearwheel (13) and a geared rack (14), which turns the gravity arm (5) to the working position.

The utility model discloses a plant tissue culture shelf convenient to adjust, which comprises a moving mechanism, a vertical frame fixedly arranged on the top surface of the moving mechanism, a handrail fixedly arranged on the outer wall of the vertical frame, and a processing assembly arranged above the moving mechanism, the processing assembly comprises an adjusting assembly arranged above the moving mechanism, and the adjusting assembly is arranged above the moving mechanism. When a culture bottle needs to be placed, the placing distance needs to be adjusted according to the size of the culture bottle, a clamping pin is pressed, a second magnetic ring fixedly installed at the end of the clamping pin slides towards the interior of a sliding groove, a handle is pulled, and the handle drives a baffle ring fixedly installed on the outer wall of the handle to compress a spring; at the moment, the sliding rod is not clamped with the hole formed in the outer wall of the vertical frame any more, the height of the bearing plate is adjusted so as to place the culture bottles with different heights, and when the bearing plate is adjusted to a proper position, the clamping pin is pressed, and the sliding rod is inserted into the hole formed in the outer wall of the vertical frame so as to stably support the bearing plate.

An investment cast, stainless steel chain link for use a part of a chain. The chain link includes a pair of spaced first and second sidebars that each extend between forward and rear ends of the chain link. A reinforcing rib is formed on each sidebar and is flush with the forward and rear ends of the chain link. A barrel is formed at the rear end of the sidebars. The forward end of the sidebars includes either a first or a second attachment boss. The first attachment boss includes a pin head receptacle that allows the head of the chain pin to be flush with an outer surface of the first attachment boss. A retaining pin extends through the second attachment boss to prevent axial movement of the chain pin. In one embodiment, the chain pin is rotatable and, in another embodiment, the chain pin is prevented from rotating.

The utility model belongs to the technical field of air detection devices, and particularly relates to a machining tool Z-direction air detection device which comprises a supporting block, a mounting seat, a fixing needle air pressure detection device and a floating head. The supporting block is used for bearing a workpiece, the mounting seat is mounted below the supporting block through a fixing needle, a vertical air channel is fixedly arranged in the mounting seat, the upper end of the air channel extends into the supporting block, the upper end of the air channel is communicated with an air blowing channel, and the other end of the air channel is communicated with an exhaust pipe; and the air pressure detection device is connected with the air channel on the mounting seat through an air pipe. According to the air detection device, the floating head is arranged at the air blowing hole in the top of the air blowing channel, and the floating head is made of the elastic material, so that the air blowing hole can be properly blocked, the top of the air blowing hole is prevented from being blocked, and the normal use of the air detection device is not influenced.

The utility model discloses an anti-retreat structure for a core-pulling insert, which belongs to the technical field of die-casting dies and comprises an anti-retreat oil cylinder positioned on a movable die sleeve plate, a retaining pin connected onto the anti-retreat oil cylinder and the core-pulling insert with a positioning groove, and the head of the retaining pin can be inserted into the positioning groove of the core-pulling insert under the driving of the anti-retreat oil cylinder. The movement direction of the retaining pin is perpendicular to that of the core-pulling insert, and the shape of the head of the retaining pin is matched with that of the positioning groove; a reinforcing plate is further arranged on the side, close to the movable mold, of the core pulling insert, the reinforcing plate is connected to the fixed mold core, and a through hole allowing the retaining pin to pass through is formed in the reinforcing plate. The locking device can be inserted into the core-pulling insert along with the head of the retaining pin to lock the core-pulling insert and limit the movement of the core-pulling insert, has a good locking effect, is small in error in the assembling and working processes, can completely lock the core-pulling, is not easy to reverse the core-pulling, ensures the qualified rate of the product size, and improves the production efficiency. And waste products are reduced.

The invention relates to a drive device (10) for a motor vehicle, comprising: an electric machine (12) comprising a stator (14) and a rotor (16) having a rotor shaft (22); the invention relates to a motor rotor (10) for a motor vehicle, comprising a rotor shaft (22), a gear (24) which is arranged on the rotor shaft (22) and has an internal toothing (26) which meshes with a corresponding external toothing (28) of the rotor shaft (22), so that the gear (24) and the rotor shaft (22) are connected to one another in a rotationally fixed manner, the gear (24) having at least three openings (46) which extend in the axial direction of the rotor shaft (22), during the installation of the gear (24), a corresponding retaining pin (42) can be inserted into the opening, and the retaining pin is used for preventing the rotation of the gear (24). At a free end (E) of the rotor shaft (22), an internal thread (48) arranged concentrically with the rotor shaft (22) is provided in the rotor shaft (22).

An injector tilt and stowage mechanism has a potential safety concern if retaining pins are not in place when the injector is tilted for stowage. A mechanical latching system is designed that secures the injector and simultaneously engages or disengages the hydraulic system to prevent movement in an unsecured condition.

The utility model discloses a container hoisting and supporting device which comprises a container and a container door, a supporting assembly is installed on the container, the supporting assembly comprises a sleeve plate and a supporting plate, a connecting assembly is installed on the inner side of the supporting plate, the connecting assembly comprises a bayonet lock and a spring, a hoisting assembly is installed at the top of the container, and the hoisting assembly is installed on the top of the container. The lifting assembly comprises a clamping sleeve and an inner sleeve, the inner sleeve is provided with a limiting assembly, the limiting assembly comprises a baffle ring and a lantern ring, and the outer side of the clamping sleeve is provided with a stabilizing assembly. According to the container lifting supporting device, the inner sleeve can pull the pull wire, the pull wire pulls the clamping pin, and then the lifted container is moved to the top of another container; the clamping pins are inserted into the inner sides of the clamping openings, then the upper container and the lower container are locked, personnel do not need to connect the containers, the situation that the clamping pins are pulled through the pull wires due to vibration of the inner barrel is avoided, the connection firmness of the containers is guaranteed, and the container lifting device is suitable for lifting, connecting and fixing of the containers.

The utility model discloses a pressure alarm valve structure with more stable alarm capability, and relates to the technical field of alarm valves, the pressure alarm valve structure comprises an alarm valve body, an outer sealing ring is adhered to the top of the alarm valve body, an annular metal plate is embedded in the inner side of the outer sealing ring, an inner fixing ring is fixedly mounted on the inner side of the annular metal plate, and a pressure sensor is arranged on the inner fixing ring. According to the alarm valve, the valve body switch, the switch pin, the sealing rubber body and the pin groove are arranged, the switch pin of the alarm valve is wrapped by the sealing rubber body and is not prone to making contact with external air, and therefore the alarm valve is not prone to rusting, the use effect of the switch pin is guaranteed, and the use stability of the alarm valve is improved.

The utility model provides an angle-adjustable upender, which relates to the technical field of mechanical design and automation control, and comprises a frame and an upender, the inner wall of the upender is rotatably connected with two screw rods, the outer wall of each screw rod is in threaded connection with two sliding blocks I, the outer wall of the top end of each sliding block I is fixedly connected with a clamping plate, and the clamping plate is fixedly connected with the frame. The outer wall of the turner is provided with a second sliding groove for the first sliding blocks to slide, the inner wall of the turner is fixedly connected with two spring strips, the outer wall of the end of one side of each spring strip is fixedly connected with a second sliding block, the outer wall of the turner is provided with a first sliding groove for the second sliding blocks to slide, and the outer wall of the top end of each second sliding block is fixedly connected with a limiting block. The outer wall of the top end of the limiting block is fixedly connected with a telescopic structure. According to the utility model, a clamping structure which can be adjusted in multiple directions is adopted to fix objects in multiple directions, and objects with different sizes can be well fixed, so that the objects with different sizes cannot be separated from the surface of the turnover machine in the turnover process.

The present invention discloses a self-calibrating anti-dropping plug-in connector, which belongs to the technical field of electric devices, and includes a connector port and a connector interface. In this scheme, the port pin is tilted at the connector port position. When the connector interface is not inserted, the port pin is located inside the protective groove for protection. In case of oblique insertion, the pin will not be damaged because it is in a protected state. When the connector interface is aligned with the connector port, the top column rotates the pin pile by pressing the pressing sheet, and moves the port pin out of the protective groove so that it can be inserted into the terminal being entered, and the spring sheet contacts the fixed pin to achieve connection. In this way, only the corresponding interface can be docked, which minimizes the possibility of damage to the port pin, and when the non-matching connector interface is docked, the spring sheet and the fixed pin are not in contact and will not be connected, and the safety and reliability of use are high.

The application provides a method for implanting an arc screw, which comprises the following steps: selecting a suitable arc screw and a soft drill; planning an implanting position of the arc screw at one end of a split object; stopping the drill bit of the arc soft drill under the holding of the arc sleeve after moving to the planned position; implanting an arc needle into another part of the object along the middle channel of the arc soft drill, removing the arc soft drill and reserving the arc needle; implanting the arc body of the arc screw into the object along the arc needle and the channel generated by the arc soft drill to reach the predetermined planned position, removing the arc needle and reserving the arc body; selecting a suitable fixing screw, installing the fixing screw at the front end of a flexible screwdriver, advancing together along the middle channel of the arc body to the front end, rotating the flexible screwdriver to fix the fixing screw in the object; and fixing a fixing needle in the object along the tangent direction through the fixing hole of the arc screw.

The utility model discloses a universal pin wheel housing inner tooth chamfering tool, and relates to the technical field of pin wheel housing machining, a fixing frame is arranged on a fixing seat, a first positioning mechanism for placing a pin wheel housing is arranged on the fixing frame, the first positioning mechanism is in contact with the outer surface of the pin wheel housing, a mounting seat is arranged on the fixing seat, and the pin wheel housing inner tooth chamfering tool is arranged on the mounting seat. A second positioning mechanism abutting against the inner side wall of the pin wheel housing is arranged on the mounting base, a clamping mechanism making contact with the upper portion of the pin wheel housing is arranged on the fixing frame, a limiting mechanism for limiting the position of the second positioning mechanism is arranged on the mounting base, and coarse positioning is conducted on the pin wheel housing through the first positioning mechanism arranged on the fixing frame to determine the position. The limiting mechanism and the second positioning mechanism are used for conducting angular direction fixing and fine positioning on the pin wheel housing, then the clamping mechanism is used for fixing the pin wheel housing, and therefore the pin wheel housing can completely position a pin hole and directly position the center of a reference circle of the pin hole and the angular direction of the pin hole, the positioning precision of the pin wheel housing is improved, and chamfering machining of inner teeth of the pin wheel housing is more accurate.

An improved bolt and bolt carrier with integral gas key having an extension nozzle threadedly secured and pinned to the gas key for use with a direct gas operated firearm is provided. The extension nozzle is designed to receive a portion of the host firearms gas operating system. The firing pin retaining pin is oriented so as to expose its widest profile to the firing pins annular flange, increasing its service life. The bolt has a plurality of lugs extending from its forward end and an extractor recess. The extractor recess is constructed to accommodate an enlarged extractor claw while not undercutting the bolt lugs adjacent thereto. The extractor engages approximately 57% more of a seated ammunition cartridges rim as compared to some prior art AR15 / M16 type extractors used with automatic firearms chambered in 6.8 SPC. The result is an improved bolt and bolt carrier which provides for increased operational reliability.

The present invention relates to a fastener (10), particularly a nut, comprising a first arm (100) and a second arm (200) arranged opposite each other and connected by an intermediate portion (150). The first arm (100) has a through hole (124), and the second arm (200) has a sleeve (220) having an opening (224). The fastener (10) is adapted to receive a retaining pin (40) through the through hole (124) and the opening (224). The first arm has a socket (120) disposed at the periphery of the through hole (124) and projecting towards the second arm (200). (Fig. 1)

The utility model discloses a plastic nail sender convenient for disassembling a gun needle, belongs to the technical field of plastic nail senders, and aims to overcome the defect that the gun needle of the existing tag gun is easy to disassemble difficultly. The rotating direction of the needle lock is limited through the limiting structure, it is ensured that when the needle lock is located at the unlocking position, the groove can be stably aligned with the gun needle, and dislocation of the groove due to insufficient rotation or excessive rotation is avoided. The pin lock has the function of accurately fixing the pin lock at the unlocking position, so that the condition that the groove is not aligned with the gun pin when the gun pin needs to be disassembled is avoided. Therefore, the effect is remarkable, when a user disassembles the gun pin, the position of the pin lock does not need to be repeatedly adjusted to be aligned with the groove, operation is simpler, more convenient and faster, the gun pin disassembly efficiency is greatly improved, and meanwhile the use experience and practicability of the plastic nail sender are improved.