71 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.

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.

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.

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.

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 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.

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.

The utility model discloses a sealed anti -disassembly structure of steering motor, wherein, motor assembly and motor cover are sealedly connected through sealing adhesive, and the motor cover is provided with a connector window, a flexible circuit board assembly, a filter circuit board assembly and a signal connector assembly are respectively fixed on the circuit board base and are arranged in the cavity between the motor cover and the motor assembly, and the circuit connector or PIN pin terminal is connected through the connector window, the circuit connector and the motor cover are interference -fit and are sealedly fixed through sealing adhesive, and the PIN pin terminal and the motor cover are sealedly fixed through sealing adhesive. Through the technical scheme of the utility model, the sealing requirement of the motor is achieved, the buckle design in the traditional connection mode is cancelled, the manufacturing cost caused by machining is cancelled, the anti -vibration ability is improved, and the sealing fixing mode of each circuit connector relative to the motor cover improves the anti -fake and anti -disassembly effect.

A standing table (11) has a frame (13) with three legs (14a-c) for standing, with an elongated support bracket (20) at the upper end of the frame (13), the support bracket (20) being pivotable about a horizontal pivot axis (18). The support bracket (20) has a working position and a folding position, between which it is pivotable, the upper surface (21) of the support bracket (20) being horizontal in the working position and rotated by 70° to 100° in the folding position and pointing away from the upper part of the frame (13). The support bracket (20) has a retaining pin (35) in the middle as a pivot bearing for connection to a tabletop (30) of the standing table (11), which projects upwards beyond the upper surface (21) and is attached to the underside of the tabletop (30).At least one end of the backdrop support (20) is provided with locking means (30) with cutouts (39) which can be actuated by movement in a plane parallel to the top surface (21). Locking pins (40) project from the underside (32) of the tabletop (30) and can be inserted into these cutouts (39) and locked therein.

The invention relates to a bearing arrangement with integrated electrical insulation, in particular for an electric motor or an electric machine, and an associated manufacturing method. The bearing arrangement comprises a bearing (10) provided with a first ring (12) and a second ring (14). The device comprises at least one insulating sleeve (26) mounted on the second ring and provided with a bushing (28) and an insulating insert (30) made of an electrically insulating material. An insulating insert is overmolded on the second ring and at least on one of an outer surface and an inner surface of the bushing 28 defining a radial thickness thereof. The device further comprises an anti-rotation device (32) provided with at least one first retaining pin (42) disposed at least partially inside the first slots (34, 40) of the bushing, the insulating insert and the second ring, a support (44) mounted on the support, and at least one axial retaining member (46) of the device.

The utility model belongs to the technical field of limiters, and particularly relates to a micro-adjustable limiter which comprises an upper fixing plate, two first connecting holes distributed left and right are formed in the top of the upper fixing plate, and the bottom of the upper fixing plate is connected with a connecting rod structure through the two first connecting holes. A plurality of limiting plates and two lower fixing plates are arranged outside the two connecting rod structures, the number of the limiting plates is 50, the thickness of each limiting plate is 1 mm, and the two lower fixing plates are both located on the lower portions of the limiting plates and used for fixing a needle cylinder; through the arrangement of the limiting plates, when the device is used, the number of the limiting plates on the upper layer can be adjusted according to the pushing amount of the needle cylinder, so that the single-time pushing amount of the needle cylinder can be kept accurate, and the test efficiency and success rate are improved.

The utility model relates to a flip type wire harness structure which comprises a connector, a metal terminal and a wire. The connector comprises a base and a cover body hinged to the base. The front end of the base is provided with a terminal slot, and the rear end of the base is provided with a limiting groove. The groove bottom of each limiting groove is provided with a distinguishing mark. The front end of the cover body is hinged to the base, and a buckling part is arranged at the rear end of the cover body. And a retaining pin is arranged at the bottom of the cover body. The front ends of the metal terminals penetrate through the terminal slots in a one-to-one correspondence manner, and the rear ends of the metal terminals are accommodated in the limiting grooves in a one-to-one correspondence manner and are in butt joint with the retaining pins. The rear end of each metal terminal is provided with a backstop sheet which extends along the side direction. The front end of the backstop sheet abuts against the rear end of the terminal slot. By using the flip type connector structure, an operator can quickly find an accurate terminal slot in a manner of visually distinguishing the identification after opening the cover body in the process of connecting and inserting the metal terminal, so that the manual operation intensity in the process of connecting and inserting the metal terminal is reduced, and the product yield is improved.

The utility model discloses a meteorological station data collector device capable of being quickly assembled and disassembled, which relates to the technical field of meteorological data acquisition and comprises a base plate, a support rod is fixedly connected to the middle of the upper side of the base plate, an extension mechanism is movably mounted on the inner side of the support rod, and a mounting plate is fixedly connected to the upper side of the extension mechanism. And the position, close to the outer side, of the lower side of the mounting plate is fixedly connected with a plurality of annularly-distributed quick release mechanisms, the inner sides of the multiple quick release mechanisms are movably sleeved with clamping shafts, and the position, close to the upper end, of the outer side of the supporting rod is fixedly connected with a sealing mechanism. According to the meteorological station data collector device capable of being rapidly disassembled and assembled, the rubber sleeve is extruded through the bundling pipe, so that a gap between the extension rod on the extension mechanism and the base plate is sealed, external rainwater, dust and other impurities are difficult to enter the gap, and meanwhile, when height adjustment is carried out, the rubber sleeve is not prone to being damaged. And the problem of large friction is solved, control is convenient, and operation is easy.

The utility model provides a connector with pins convenient to replace, which relates to the technical field of connectors and comprises a shell, the bottom of the shell is provided with a plugging port, the upper end face of the shell is provided with two columns and a plurality of rows of pins in a rectangular array, and the lower ends of the plurality of pins are detachably mounted on the shell. The contact pin comprises a fixed pin, a welding pin and a connecting piece, the top of the fixed pin extends to form an upper extension pin which forms an L-shaped structure with an upward opening with the fixed pin, the lower end of the welding pin extends to form a lower extension pin which forms an L-shaped structure with a downward opening with the welding pin, and the side walls, close to each other, of the upper extension pin and the lower extension pin are attached; the bottom of the fixing needle is provided with an insertion block in spherical hinge joint with the fixing needle, and the upper end face of the shell is provided with an insertion groove matched with the insertion block and a locking piece. The connecting piece comprises a U-shaped sleeve, a plugging plate is horizontally and slidably installed at an opening of the U-shaped sleeve, and a fixing assembly for fixing the plugging plate is arranged on the side wall of the U-shaped sleeve. The whole connector does not need to be replaced when the contact pin breaks down, cost is reduced, replacement efficiency is improved, and the use effect of the contact pin after replacement is guaranteed.

Torque converter (10) which includes: a turbine assembly (12) comprising: a turbine (26) containing a plurality of holes; and a pressure disk (28) connected to the turbine (26), wherein the pressure disk (28) includes a bearing ring (64), at least one retaining pin (70) which projects axially through at least one of the holes of a bearing ring (64), and at least one support pillar (72) projecting axially through at least one of the holes (100) from the bearing ring (64), wherein the retaining pin(s) (70) include a radially outwardly projecting clamp (78) which secures the pressure plate (28) to the turbine (26); and wherein a cover assembly (48) includes a first radial projection (52) and a second radial projection (56), the second radial projection (56) including a seal (58) for slidably retaining an intermediate surface of a piston (42); and wherein the pressure disk (28) is arranged directly between the second radial projection (56) of the cover assembly (48) and a radially inner disk part (32) of the turbine (26).

The invention relates to a welding method for attaching a first part to a second part. The welding method comprises the steps: a) supplying or manufacturing (100) a first part made of a first material; b) supplying or manufacturing (102) a second part made of a metallic material different from the first material; c) drilling (104) the first part; d) inserting (106) a retaining pin into an opening through the first part; e) fitting (108) an insulating sleeve into the opening through the first part; f) electrically welding (110) the retaining pin to the second part to join the first part to the second part via the retaining pin; the first part is then electrically insulated from the retaining pin by the insulating sleeve. The method is applied to a motor vehicle structure. Figure to be published with the abbreviation: Figure 6

This utility model discloses an anchoring device for a tent, including a metal plate. Two threaded spikes are fixedly connected to the top of the metal plate, and each of the two threaded spikes has a protective sleeve threaded onto its outer wall. A threaded foot is fixedly connected to the top of the metal plate, and a mating sleeve is threaded onto the outer wall of the threaded foot. This utility model achieves a stable fixation by rotating the protective sleeve to expose the threaded spikes, inserting the metal plate through the deck gap and rotating it, and then rotating the locking cap with the aid of the ear plate and anti-slip plate. This is achieved through a series of operations, utilizing the engagement of the threaded spikes with the bottom of the deck and the compression of the deck top by the rubber ring. For outdoor soil anchoring scenarios, the rotation of the metal plate screws the threaded foot into place, and the locking cap further assists in compressing the soil to enhance stability. This eliminates the need to replace soil-specific anchoring components, significantly simplifying the operation process when switching between different scenarios, reducing carrying burden, and improving the convenience and reliability of camping operations.

An automatic beverage vending machine (1) has a cabinet (2) and is closed by a door (8) for housing a beverage preparation assembly (5) and at least one dispensing assembly (9) for holding / mixing the same beverage body; the dispensing assembly (9) for holding / mixing the body is connected to the door (8) by a quick-connect and locking device (10) having at least one pair of retaining pins (18) stably connected to the dispensing assembly (9) and a shaped retaining plate (30) stably connected to the door (8) and defining a guide groove (34) for each retaining pin (18), the guide groove (34) being configured to be passed through by an attachment (28) of the retaining pin (18) and configured to guide the shaft (25) of the same retaining pin (18).