124 results about "Retaining Pin" patented technology

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.

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.

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.

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.

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 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 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.

This invention belongs to the technical field of airborne electric compressors, and relates to a radial air foil bearing mounting structure for airborne electric compressors. It includes a motor housing, vibration-damping rubber rings, bearing sleeves, steel sleeves, sealing rings, metal gaskets, anti-loosening washers, elastic retaining rings, retaining pins, air intake nozzles, shafts, motor stators, motor rotors, impellers, interference pins, fastening screws, and anti-loosening washers. The grooves on the steel sleeve have an inverted trumpet-shaped structure, smaller on the outside and larger on the inside, ensuring free movement and rotation of the overlapping foils during operation to accommodate rotor misalignment. Simultaneously, the sealing ring between the steel sleeve and the bearing sleeve can be used for vibration damping in the airborne environment and to reduce misalignment installation errors between the front and rear radial bearings and the rotor, reducing the coaxiality requirements between components. The sealing ring is used for sealing the radial air bearings, and the actual clearance between the sealing ring and the rotor can be flexibly selected according to the cooling flow rate and the internal pressure requirements of the bearing.

This utility model belongs to the field of paint surface constant temperature curing technology, and in particular, a mobile paint surface constant temperature curing chamber, comprising: a mobile chamber; and a disassembly mechanism, including a hanging column installed at the bottom of the mobile chamber and a filter box fixed to the bottom end of the hanging column. The filter box contains a pull-out frame and a groove for accommodating the pull-out frame. A filter screen is installed inside the pull-out frame. The top of the filter box, corresponding to the filter screen, has a long groove and a magnet that slides within the long groove. This utility model has a simple structure, using a magnet and a retaining pin. When the filter screen needs to be replaced, pushing the magnet causes it to slide within the long groove and pull out the retaining pin, allowing the pull-out frame and filter screen to be easily pulled out. After replacing the filter screen, pushing the magnet again causes the retaining pin to fall and fix the pull-out frame, making filter screen replacement simple, quick, and convenient for users.

A sealing structure for a waterproof switch includes a switch body and a waterproof shell. The switch body has a base at its opening for fixing pins. The base is sealed to the inner wall of the switch body. The waterproof shell is snapped onto the base. A reinforcing layer is provided on the base. Each end face of the reinforcing layer along the pin distribution direction has a first snap-fit ​​plate. Each first snap-fit ​​plate includes a snap-fit ​​portion protruding from the reinforcing plate along the pin distribution direction. The waterproof shell has two first snaps corresponding to each snap-fit ​​portion on each side. A first snap-fit ​​groove is formed between the snap-fit ​​portion and the base for the first snaps to engage. The beneficial effect of this invention is that the symmetrical arrangement of the double first snaps and double snap-fit ​​groove structure significantly improves the bonding strength between the waterproof shell and the base.

A trailer coupler attachment / detachment assembly for quickly and easily removing a trailer coupling from a trailer tongue or a trailer coupling bracket and easily reinstalling the trailer coupling for towing includes first and second coupling pins extending through a first and second sets of aligned fastener holes of the tongue or bracket and the coupler respectively, and first and second retaining pins for securing the coupling pins in the aligned sets of fastener holes.

The utility model discloses a cutting device for annular elastic braid production, which comprises a cutting device cabinet, a strip-shaped mounting seat is fixedly arranged at one end of the upper part of the cutting device cabinet, a mounting frame assembly is fixedly arranged at one end of the upper part of the strip-shaped mounting seat, and T-shaped block mounting bolts are arranged on two sides of one end of the mounting frame assembly in a penetrating manner; according to the utility model, when the mounting rack assembly is installed and fixed, the position of the mounting rack assembly in the T-shaped mounting groove can be selected according to different use requirements, and then the mounting rack assembly is installed and fixed through the T-shaped block mounting bolt, and different numbers of pressing elastic sheet assemblies can be selected according to different use requirements to be inserted and embedded into the mounting rack assembly in a sliding manner; the elastic sheet adjusting assembly is rotated by holding the rotating handle, so that the arc-edge triangular strip is pressed to the multiple sets of pressing elastic sheet assemblies to adjust the distance between the arc-edge triangular strip and the table top of the cutting device machine table below, and after adjustment is completed, the fixing nut is rotated to lock the elastic sheet adjusting assembly, so that the elastic braids with different thickness specifications can be cut.

An injection device includes a connector body releasably attachable to a syringe, a needle attached to a needle hub, and a knob. The knob is rotated relative to the connector body to advance and / or retract the needle hub. The knob can be configured to advance and / or retract the needle hub in discrete steps. At least one pin can connect the needle hub and the knob, and the knob can include at least one rotational slot that receives the at least one pin, and the at least one pin can rotationally fix the needle hub relative to the connector body. A system is also described that includes the injection device and a syringe that is releasably attachable to the injection device. A method of assembling the injection device is also described.

A fastening and insulating assembly for utility containers, constituting a bond that allows for the creation of modular forms of steel structures, both horizontally and vertically, characterized in that it is composed of two mounting holes (1a, 1b), in which a connector (2) is located, and at least one filling (4) placed between the frames (3a, 3b), wherein the two mounting holes (1a, 1b) are arranged symmetrically with respect to each other, and the connector (2) has the shape of a cylinder and is equipped at one end with a sliding locating pin (5), terminated with a thread (5a) with a collar (5b), and at the other end with a fixed locating pin (6) having one degree of freedom, terminated with a thread (6a) with a collar (6b), wherein both collars (5b, 6b) have diameters (ø) greater than the dimension (A) of the mounting holes (1a, 1b), and the threads (5a, 6a) are counter-rotating with respect to each other,at the same time, the fixed retaining pin (6) is integrated with a draw-off sleeve (8) equipped with an internal thread (7), inside which the sliding retaining pin (5) moves via a thread (5a), while the filling (4) is a soft elastic material (9) with insulating properties,

Drive device (A) comprising: o a component assembly comprising a carrier (2) with a receptacle (20) and a retaining pin (1) for mounting in the receptacle (20), the retaining pin (1) comprising: - a cylindrical base body (10) with a cylinder axis (Z) and a lateral surface (M) and - at least one projection (11) extending radially outwards from the cylindrical surface (M) and forming a cutting edge (110), which is designed to cut into a radially inwards projecting material area (201) of the receptacle (20) when the retaining pin (1) is rotated in the receptacle (20) about the cylinder axis (Z) and while maintaining its axial position relative to the receptacle (20) in such a way as to prevent axial displacement of the retaining pin (1), wherein the projection (11) extends in the circumferential direction (U) along a section of the cylindrical surface (M) and within a plane perpendicular to the cylinder axis (Z), wherein the retaining pin (1) can be axially inserted into the receptacle (20) and the receptacle (20) has an inner contour shaped to fit the cylindrical surface (M) and the at least one projection (11) of the retaining pin (1) and has at least one inwardly projecting material area (201) into which the projection (11) of the retaining pin (1) can cut when the retaining pin (1) inserted into the receptacle (20) is rotated about its cylindrical axis (Z) in order to fasten the retaining pin (1) to the carrier (2), and a shaft (3) which is mounted at a bearing point (21) of the carrier (2) of the assembly, wherein the retaining pin (1) can be inserted into the receptacle (20) in such a way that it can act directly or indirectly on an axial end (30) of the shaft (3).

The utility model discloses a low-cost mounting structure of a large-current sensor. The low-cost mounting structure comprises a magnetic core, a framework cover and a framework, the framework cover comprises two arc-shaped plates, two sets of arc-shaped barrier strips are fixed to the lower portions of the two arc-shaped plates respectively, the two ends of the two arc-shaped plates are fixedly connected through boss clamping blocks and matching blocks respectively, and positioning holes are formed in the lower portions of the boss clamping plates. The framework comprises an annular plate, a containing groove is formed in the annular plate, two positioning sleeves are fixedly installed on the inner side wall of the annular plate, fixing needle holes are formed in the two positioning sleeves, a magnetic core positioning protruding block is fixed in the containing groove, and a first positioning block set and a second positioning block set are fixed to the left portion and the right portion of the annular plate respectively. The magnetic core is placed in the placing groove of the framework, the framework cover is installed on the first positioning block set and the second positioning block set of the framework through the boss clamping block and the matching block, installation of the framework cover and the framework is facilitated, the structure is simple, positioning installation of the magnetic core is facilitated, and the installation efficiency is improved.

The utility model discloses an MPO connector convenient and fast to plug and pull, and relates to the technical field of MPO connector improvement. The connector comprises a connector pipe body, an upper fixing shell, a lower fixing shell, a connector, a buckle groove, a fixing bolt, a buckle and a fixing groove. A plurality of fixing bolts are arranged at the connecting position of the front end of the connector pipe body and the connector, the upper surface and the lower surface of the connector are each provided with a buckle groove, the upper fixing shell and the lower fixing shell are buckled in the buckle grooves through buckles arranged on the upper fixing shell and the lower fixing shell, and the fixing bolts are inserted into the fixing grooves formed in the upper fixing shell and the lower fixing shell. And wrapping installation of the upper fixing shell and the lower fixing shell on the fixing buckles on the connector is completed. An operator can easily hold the tail pipe to push and pull the tail pipe to drive the component and the shell body to move, so that the MPO connector can be conveniently inserted into and pulled out of the flange under the non-contact condition, and the operation efficiency is greatly improved.

A device for limiting access to a permanent ladder mounted on a structure. A lockout plate includes a central panel section, a first inwardly depending longitudinal panel section and an opposing second inwardly depending longitudinal panel. A first hinge bracket is coupled to the lockout plate and a pivotably mounted second hinge bracket coupled to the ladder to define a hinge assembly whereby the lockout plate is rotatable around the hinge pivot pin vertical axis. The hinge assembly includes a detent assembly configured to selectively resist rotation when the lockout plate is in an open position or closed position. A removable retaining pin and retaining pin aperture are provided to selectively retain the lockout plate in the open position, and a staple shaft element provided that is coupled to the ladder and configured to be received through a staple shaft aperture through the lockout plate.