24results about How to "Won't fall off easily" patented technology

The invention relates to a rotary buckle type oil pipe quick connection structure and an oil pressure disc brake system. The rotary buckle type oil pipe quick connection structure comprises a first oil pipe with the interior communicated, a connecting piece and an adapting piece, oil ways penetrate through the interior of the connecting piece and the interior of the adapting piece, and the connecting piece and the adapting piece are clamped and limited so as to penetrate through the oil ways; the connecting piece at least comprises a first inserting part and a clamping point part arranged on the side wall of the first inserting part; the adapter at least comprises a main body part, the interior of the main body part is through, and a first containing cavity, a second containing cavity and a third containing cavity which are sequentially arranged and are communicated with one another are formed in the axial middle of the main body part; the bayonet part is arranged on the side wall surface of the first accommodating cavity and is communicated to the second accommodating cavity, so that the clamping point part penetrates through the bayonet part and is rotationally positioned in the second accommodating cavity; and the locking piece is fixedly assembled on the outer wall of the main body part, and a buckling head part which extends into the second accommodating cavity to limit the rotation angle of the clamping point part is arranged on the locking piece. The oil pipe and the pump body can be conveniently and rapidly assembled and fixed, an oil way is smooth and does not leak oil, and rapid assembly of the oil pipe in an oil pressure disc brake system is greatly facilitated.

The invention relates to the field of hybrid energy storage, in particular to a movable hybrid energy storage device which is applied to an energy storage power supply and comprises a movable frame and an energy storage cabinet body, universal wheels with brake pads are arranged at the bottom of the movable frame, and the energy storage cabinet body is provided with an anti-disengaging assembly used for automatically fixing a plug after the plug is connected with a socket in an inserted mode. The anti-disengaging assembly comprises a guiding bin body, clamping pieces arranged on the periphery of the guiding bin body and a triggering piece which is arranged in the guiding bin body and can synchronously push all the clamping pieces inwards, and the guiding bin body is further provided with a triggering driver which is matched with the triggering piece and pushes all the clamping pieces inwards. Through the linkage of the trigger piece and the clamping piece, the trigger driver is automatically activated when the energy storage power supply is turned on, so that the trigger piece is driven to push the clamping piece, the edge of the plug is limited between the clamping piece and the socket, and the power failure risk caused by loosening or falling of the plug is avoided.

A railway ballast cleaning brush comprises an upper support assembly, a rotary motor and a lower support assembly, and the upper support assembly is connected with the lower support assembly in a rotatable mode through the rotary motor. The lower support assembly comprises a lower support, a connecting base is installed in the middle of the lower support, and the upper end of the connecting base is connected with a rotary motor. Rotary motors are fixedly installed at the two ends of the lower support, driving gears are arranged on output shafts of the rotary motors, and chains are connected to the driving gears in an engaged mode. The railway ballast cleaning equipment is specially designed, ballasts laid on sleepers can be rapidly removed, the railway operation safety is improved, rubber pipes are arranged in a penetrating and inserting mode so that cleaning can be conducted in a larger range, the ballasts can be cleaned without dead corners, the rubber pipes are divided into three sets, gaps are reserved between the three sets of rubber pipes, the positions of the gaps correspond to the positions of rails, and the rubber pipes are not prone to falling off. And it is guaranteed that the rail cannot be damaged while ballasts on sleepers are swept.

The utility model belongs to the metallographic sample transfer device in the technical field of round bar type metallographic sample, including device body (1), be provided with multiple groups of placing assembly on device body (1), be provided with clearance face (2) between adjacent placing assembly, every group of placing assembly sets up multiple placing recess (3), is provided with clearance portion (4) between adjacent placing recess (3), is provided with wire slot (5) respectively near every group of placing assembly position. The metallographic sample transfer device, simple structure can be fixed and placed conveniently and reliably for different samples, effectively avoid sample rolling, and can reliably correspond to the sample bag and avoid sample confusion, ensure that the sample bag and the corresponding sample are transferred in one go, and ensure the reliability of the transfer.

This utility model discloses an anti-collision structure for a toy car, including a bumper, a mounting bracket, a mounting mechanism, and a buffer mechanism. The mounting mechanism includes a telescopic rod, a rotating component, a fitting bracket, a connecting bracket, and a fixing component. The fixing component includes an insertion plate, a fixing plate, and a first spring. The buffer mechanism includes a friction block, a connecting rod, a buffer component, and a second spring. With the cooperation of the above mechanisms, this design allows users to easily and quickly install the anti-collision device onto the bumper of the toy car without complicated tools or cumbersome steps. In addition, this auxiliary fixing function ensures that the anti-collision device is firmly fixed to the toy car and will not easily fall off even in the event of a strong collision, protecting the toy car from damage.

The utility model relates to the technical field of medical instruments, in particular to a catheter fixing sticker with a buckle, which comprises a nose adhesive tape, fixing bands are connected to two sides of the nose adhesive tape, a double-sided adhesive tape is connected to the lower part of the nose adhesive tape, and the annular buckle is adhered to the double-sided adhesive tape; the annular buckle is fixed to the position in front of the nostrils of a patient through the nose adhesive tape and the double-faced adhesive tape, the specific position of the annular buckle can be adjusted according to different body types of different patients, and therefore the adaptation degree is improved, and the wearing comfort degree is increased; the nasal catheter is fixed through the annular buckle, so that the adhesive tape does not need to be torn off when the catheter needs to be replaced, unnecessary pain of a patient is reduced, and the catheter is more convenient to replace.

The utility model relates to the technical field of slope protection bricks, and discloses an ecological slope protection brick with a convenient splicing function, which comprises a slope protection brick body, a connecting mechanism is arranged outside the slope protection brick body, a fixing mechanism is arranged outside the slope protection brick body, the connecting mechanism comprises a connecting groove, and the connecting groove is connected with the fixing mechanism. A connecting block is clamped to the inner side of the connecting groove, clamping grooves are formed in the bottom of the connecting block and the outer portion of the connecting groove, clamping blocks are clamped to the interiors of the clamping grooves, a grass planting assembly is arranged at one end of the connecting groove, a fixing hole is formed in one end of the connecting block, and a fixing block is clamped to the inner side of the fixing hole; according to the ecological slope protection brick with the convenient splicing function, after the multiple slope protection brick bodies are connected through the connecting structures, integral connection is formed, the effect of supporting the adjacent slope protection brick bodies can be achieved, and the situation that a single slope protection brick body is not prone to sinking or loosening is avoided.

The utility model relates to the technical field of semiconductor clamps, in particular to a clamp for tight processing of semiconductors, which comprises a cylinder, an output end of the cylinder is connected with a telescopic rod, one side of the telescopic rod far away from the cylinder is fixedly connected with a balance rod, two sides of the balance rod are fixedly connected with sliding blocks, and the outer walls of the sliding blocks are slidably connected with sliding grooves. Through the arrangement of the extrusion blocks, when the reverse threaded rod is rotated, the first rotating disc and the second rotating disc rotate relatively, so that the internal extrusion blocks synchronously move inwards through the movement of the moving rods, and then the extrusion blocks stretch out and draw back in the grooves; according to the utility model, the internal semiconductor can be effectively clamped through the synchronous telescoping of the plurality of extrusion blocks at the periphery, so that the semiconductor is fixed, and after the semiconductor is fixed, the semiconductor is not liable to fall off during working, thereby preventing the semiconductor from being damaged due to falling, and further improving the practicability of the semiconductor fixing device.

This invention relates to a faceplate fixing structure and an infrared sensor, belonging to the field of infrared sensor technology. The faceplate fixing structure includes a faceplate with a support bracket; a lens front cover connected to the faceplate, the lens front cover including an annular groove and an annular slide rail, a second groove on one side of the annular groove, and a fourth plane on the side of the second groove opposite to the annular groove; the support bracket passes through the second groove and can abut against the annular slide rail; the support bracket can rotate around the central axis of the lens front cover within the annular groove, allowing the faceplate and lens front cover to be rotatably connected; and a base connected to the lens front cover, the base having a stop block inserted into the second groove, one side abutting against the fourth plane, and the other side abutting against the support bracket, preventing the faceplate from falling off. By rotating the faceplate, a knob is exposed in a window, allowing the operator to easily access the parameter adjustment components inside the sensor; the knob is covered inside the faceplate, ensuring the aesthetics of the device.

The utility model relates to metal hose technical field, and disclose a kind of corrosion-resistant metal hose, including metal hose, the outer wall of metal hose is fixedly connected with outer corrosion-resistant layer, the outer wall of outer corrosion-resistant layer is fixedly connected with steel wire net, the outer surface of steel wire net is fixedly connected with braided layer, the inner wall of metal hose is fixedly connected with inner corrosion-resistant layer.The metal hose adopts double-layer corrosion-resistant structure to realize overall protection.The outer layer is made of fluorine rubber material, which can effectively resist industrial oil stains and mild chemical spray corrosion, providing reliable protection for the outer layer of the hose, making it stable in performance in environments such as mechanical hydraulic systems and automobile engine compartments that are easily exposed to oil stains and mild chemicals.The inner layer is made of polytetrafluoroethylene material, which can resist strong acid, strong alkali and other strong corrosive media, ensuring that the hose is not easily damaged when exposed to corrosive media, greatly improving its service life in complex corrosive environments and expanding its application range.

This invention discloses a support device for bridge construction, including a clamp and two crossbeams. The two crossbeams are fixedly connected in parallel to the upper side of the clamp. Multiple parallel longitudinal beams are provided on the upper side of the two crossbeams, and a folding rod assembly is provided between adjacent longitudinal beams. One of the outermost longitudinal beams has a lug. A sliding block is symmetrically slidably connected to the bottom of each longitudinal beam. A retaining plate is fixedly connected to the side of each crossbeam, and the retaining plate has a retaining groove. A limiting step column is fixedly connected to the bottom of the sliding block, and the step column is correspondingly positioned to the retaining groove. This invention uses a large number of longitudinal beams suspended by a crane. After one longitudinal beam is first placed on top of the crossbeam, the crane moves the entire longitudinal beam towards the pier. The step column at the bottom of this longitudinal beam slides from the side into the retaining groove. The guide slope guides and compresses the supporting spring. When it reaches the arc-shaped groove, the step column slides along the outer end of the longitudinal beam, and the step columns on both sides slide towards the ends of the longitudinal beam for support, preventing the longitudinal beam from easily detaching.

The double-layer ceramic teapot comprises an inner teapot body, the outer surface of the inner teapot body is fixedly sleeved with an outer teapot body, the top of the inner teapot body is movably provided with a teapot cover, the bottom of the teapot cover is fixedly connected with a rubber plug, the bottom of the rubber plug penetrates through the inner teapot body and extends into the inner teapot body, and the rubber plug is movably connected with the inner teapot body in a clamped mode. By arranging the fixing mechanism, the kettle cover and the inner kettle body are connected more stably, the kettle cover is not prone to falling off in the water pouring process, and the situation that the kettle cover is broken is effectively avoided.

The invention discloses a combined valve flow meter, and relates to the technical field of flow meters, the combined valve flow meter comprises a connecting pipe and an electronic meter, the meter and the connecting pipe are connected through a connecting rod, the bottom of the connecting rod is provided with a metering module, and the metering module penetrates through and extends into the connecting pipe; the bottom of the connecting rod is detachably connected with the radial surface of the connecting pipe through a connecting part, the connecting part comprises a fixing block arranged on the radial surface of the connecting pipe and a lantern ring arranged on the connecting rod, at least two protruding blocks are arranged on the radial surface of the lantern ring, and arc-shaped blocks matched with the protruding blocks in number are arranged on the fixing block; a limiting groove matched with the protruding block is formed between every two adjacent arc-shaped blocks, the limiting grooves are used for allowing the protruding block to generate longitudinal displacement, arc-shaped grooves are formed in the inner surfaces of the arc-shaped blocks, and the section size of each arc-shaped groove is matched with the section size of the corresponding protruding block. The connecting structure has the advantages that the connecting stability is enhanced, and meanwhile, the dismounting is convenient.

The invention relates to the technical field of silica gel production equipment, in particular to a silica gel blower with a rapid fixing function, which comprises an operation table top, a vibration feeding machine and a device column are arranged on the operation table top, a device frame is fixedly connected to the side wall of the vibration feeding machine, and a lifting plate is connected to the device column. The lifting plate is provided with an air pipe and an air pump used for conveying air to the air pipe. The device further comprises a feeding mechanism, a clamping mechanism located at the output end of the second conveying assembly, a locking mechanism located over the clamping mechanism and a driving mechanism. The clamping mechanism is started to clamp and fix the silicon rubber case moving to the position, then the first driving assembly is started to drive the air pipe and the opening locking mechanism to move towards the opening position of the silicon rubber case and blow air into the silicon rubber case, in the air blowing process, the opening locking mechanism is used for fixing the opening of the silicon rubber case and the air pipe, and therefore the opening position of the silicon rubber case is fixed. And the air pipe cannot easily fall off from the output end of the air pipe.

The utility model discloses an integrated sealing thrust ball bearing which comprises a shaft washer and a seat ring, the seat ring is arranged on one side of the shaft washer, a fixing frame is arranged between the shaft washer and the seat ring, a plurality of rolling balls which are annularly distributed at equal intervals are installed on the fixing frame in a rolling mode, a first baffle ring is arranged on the outer edge of the side wall, close to the seat ring, of the shaft washer, and a second baffle ring is arranged on the outer edge of the side wall, close to the seat ring, of the shaft washer. A second baffle ring is arranged on the inner edge of the side wall, close to the seat ring, of the shaft ring, and a clamping assembly is arranged on the seat ring. According to the thrust ball bearing disclosed by the utility model, the fixed frame and the plurality of rolling balls are enclosed between the shaft ring and the seat ring through the first baffle ring and the second baffle ring, so that the overall sealing performance is improved, and the problems that the abrasion is increased and the service life is influenced when the rolling balls move due to the fact that dust or small particles easily enter the thrust ball bearing during operation can be avoided; the seat ring is installed between the first baffle ring and the second baffle ring by arranging the clamping assembly, and the seat ring is not prone to falling off while it is guaranteed that the shaft ring can rotate normally.

An annular insulation spacer comprises an annular body made of insulation materials and a metal layer arranged on at least one of the upper surface and the lower surface of the body, and the outer periphery of the metal layer is bent upwards to form an outer side edge extending towards the other surface of the upper surface and the lower surface. The outer side edge wraps the outer side face, close to the metal layer, of the body, and the extending end of the outer side edge is further bent inwards in the radial direction to form a first positioning edge capable of being inserted into the body. The inner periphery of the metal layer is bent upwards to form an inner side edge extending towards the other surface side of the upper surface and the lower surface, the inner side edge wraps the inner side face, adjacent to the metal layer, of the body, and the extending end of the inner side edge is bent outwards in the radial direction to form a second positioning edge capable of being inserted into the body. An outer protrusion is arranged on the outer side face, exposed out of the outer side edge, of the body, and an inner protrusion is arranged on the inner side face, exposed out of the inner side edge, of the body. By adopting the annular insulating spacer, the surface quality is good, and meanwhile, the annular insulating spacer has better insulating property and connection firmness.

The utility model belongs to the technical field of automobile parts, and relates to an automobile inside rear-view mirror installation structure. A concave cavity part (2) is arranged at one end of the inside rear-view mirror neck (1), the bottom surface of the concave cavity part (2) is connected with a clamping jaw (3), the clamping jaw (3) comprises a clamping jaw bottom surface (4) and a plurality of clamping jaw bending parts (5) extending upwards, the clamping jaw bending parts (5) of the clamping jaw (3) are clamped on an inside rear-view mirror mounting seat (7) arranged on an automobile front windshield (6), and an inner ring of the concave cavity part (2) is clamped on a positioning boss (8) of the inside rear-view mirror mounting seat (7). The automobile inside rear-view mirror mounting structure is simple in structure, low in cost, convenient to mount and demount, smooth to mount and demount, free of clamping stagnation and free of auxiliary tools while the inside rear-view mirror neck and the inside rear-view mirror mounting seat can be connected, and use requirements are effectively met.

The utility model belongs to the field of diving equipment, particularly relates to a diving counterweight structure for both horizontal diving and vertical diving, and aims to solve the problems that an existing diving counterweight structure cannot be used for both horizontal diving and vertical diving and cannot be adjusted according to use conditions, a traditional neck counterweight block is not attractive and poor in comfort, and the neck counterweight block surrounds the neck and easily presses the throat knot to cause discomfort. In order to solve the problems that in the prior art, the weight of a neck balancing weight cannot be rapidly adjusted, and use is inconvenient, according to the technical scheme, the neck balancing weight comprises a neck band, the whole neck band is in a horseshoe shape, and the surface, the bottom and the inner wall of the neck band are all provided with arc faces matched with the human body. The design of the product accords with human engineering, the product is comfortable to use and more attractive in overall shape, meanwhile, the product is provided with a notch, the situation that discomfort is caused to the throat knot of a user is avoided, the product is easy and convenient to mount and dismount and not prone to falling off in the using process, and the rotating back balancing weight is easily attached to the human body.

This utility model discloses a multifunctional portable bag for drainage bottles applicable to multiple scenarios, belonging to the field of medical auxiliary products technology. It includes a bag body, a detachable shoulder strap, and a smart base. The bag body has an open top, with the drainage bottle placed inside. Hooks are located on both sides of the open top of the bag body, and the two ends of the shoulder strap are fixed to the hooks. The smart base is located on the inner bottom surface of the bag body, and a monitoring unit is located at the center of its upper surface. An indicator light is also located on the bag body. The monitoring unit includes a timer, a weight sensor, and a control terminal. The timer and weight sensor transmit data to the control terminal, which determines the drainage volume per unit time based on the acquired data and instructs the indicator light to monitor its operation according to the drainage volume. This utility model achieves the function of monitoring drainage fluid, ensuring that patients can promptly monitor their physical condition and change the drainage fluid in a timely manner.

The utility model discloses a fire-fighting multifunctional communication vest which comprises a communication vest body, connecting elastic bands are fixedly connected to the armpit portions of the communication vest body, a girdling assembly is connected to the interior of the communication vest body, and a storage assembly is connected to the exterior of the communication vest body. According to the technical scheme, the communication vest is characterized in that a storage assembly is arranged, a front storage bag is pasted to a first storage bag fixing strip through a first hook-and-loop fastener, the number of the first storage bag fixing strip is multiple, and therefore the vertical position of the front storage bag can be adjusted, and similarly, the front storage bag can be fixed to the first storage bag fixing strip through a second hook-and-loop fastener; the vertical position of the front storage bag can be adjusted, the vertical position of the rear storage bag can also be adjusted, the number of the front storage bag and the number of the rear storage bag can also be adjusted, the first hidden buckles and the second hidden buckles are designed, the first hidden buckles and the corresponding second hidden buckles are pressed and clamped together, and therefore the connecting firmness of the front storage bags and the rear storage bags can be improved, and after equipment is placed, the front storage bags and the rear storage bags can be conveniently and rapidly connected. And the front storage bag and the rear storage bag are not easy to fall off.

The invention relates to a shunt stoma system, and belongs to the technical field of medical instruments. According to the atrial tissue cutting device, the pushing tube movably penetrates through the shunting sheath tube, the connecting rod movably penetrates through the pushing tube, the plug is connected with the connecting rod, and the cutter is arranged at the far end of the pushing tube, so that the plug and the cutter can be conveniently matched to clamp the atrial tissue to be cut, and the pushing tube can conveniently drive the cutter to rotate and move so as to cut the clamped tissue; according to the split-flow ostomy device, the cutter is arranged at the far end of the cutter, and the plug plugs the far end opening of the cutter, so that the cut tissue is plugged in a space formed by the plug and the cutter, the cut tissue can be conveniently withdrawn out of a body along with the split-flow ostomy device, and the cut tissue is prevented from being left in the atrium; the shunt stoma device in the system is reasonable in structural design and convenient to use, and cut tissue cannot fall off easily in the withdrawing process.

The utility model discloses an automobile steering rod lower end sealing structure which comprises a steering rod body, the steering rod body is provided with a center through hole, a sealing plug is installed at the lower end of the center through hole, tooth-shaped structures distributed in the axial direction are arranged on the circumferential side wall of the sealing plug, and all the tooth-shaped structures are connected to the inner wall of the center through hole in an interference fit mode. The steering rod has the advantages that the tooth-shaped structure on the circumferential side wall of the sealing plug is in interference fit with the center through hole, the lower end of the steering rod can be blocked, dust, rainwater and the like are prevented from entering the steering rod, and the service life of the whole steering rod is guaranteed.

The utility model discloses a microswitch capable of being rapidly installed, which comprises a microswitch body, a zero line connecting piece and a live wire connecting piece are symmetrically arranged on one side of the microswitch body, a ground wire connecting piece is arranged on one side of the bottom of the microswitch body, and fixing assemblies are arranged on one side of the zero line connecting piece, one side of the live wire connecting piece and one side of the ground wire connecting piece. The fixing assembly comprises a plurality of fixing frames which are fixedly connected with a zero line connecting piece, a live line connecting piece and a ground line connecting piece respectively, a sliding rod is slidably connected to the center of the interior of each fixing frame, and a positioning plate is fixedly installed at the bottom of each sliding rod; a pull ring is fixedly mounted at the top of the sliding rod; according to the connecting line fixing device, a user can conveniently fix the connecting line, the fixing reliability can be guaranteed after the connecting line is fixed, the connecting line is not prone to falling off, and convenience and practicability are improved.

The utility model discloses a frequency spectrum analyzer for antenna testing, which comprises a frequency spectrum analyzer main body, fixing blocks are adhered and fixed on the upper part and the lower part of the rear end of the frequency spectrum analyzer main body, the frequency spectrum analyzer also comprises a double-thread transmission rod which is arranged between the fixing blocks and is rotatably connected with the fixing blocks, and the double-thread transmission rod is connected with the frequency spectrum analyzer main body. The upper side and the lower side of the exterior of the double-thread transmission rod are both in threaded connection with lifting blocks, the extrusion cavities are formed in the lifting blocks, a plurality of extrusion cavities are formed in the extrusion cavities at equal intervals, connecting plates are arranged in the extrusion cavities, and clamping blocks are fixed to one ends of the connecting plates in an adhesion mode. And one end of each clamping block is located outside the extrusion cavity. When the spectrum analyzer for the antenna test is pulled by an external force, the data line is not easy to fall off, so that the continuity and the stability of the antenna test are ensured.