573results about How to "Adjustable spacing" patented technology

The utility model discloses an auxiliary expander for preventing nasal cavity cicatricial contracture, including deformation metal frame structure, two nasal cavity expansion structures are arranged in deformation metal frame structure both sides, the nasal cavity expansion structure includes the plate type silica gel sleeve part, and the top and bottom of plate type silica gel sleeve part fixedly links two arc deformation silica gel parts, the utility model nasal cavity expansion structure whole is silica gel material, has elasticity, two arc deformation silica gel parts will apply the elastic force to the outside, and the patient's nostril is expanded, when being inserted into the nostril, two arc deformation silica gel parts are pinched, can be inserted into the nostril, after entering the nostril, two arc deformation silica gel parts expand and the patient's nostril are pasted, can be suitable for the nostril of different size and use, more convenient, the utility model deformation metal frame structure each position can be bent, like this can realize the adjustment of two nasal cavity expansion structure spacing, is suitable for different nostril spacing.

The utility model provides a kind of circuit board test fixture, it is related to the technical field of circuit board, including guide piece and clamping module.Guide piece forms adjustment path;Clamping module includes two clamping components, two clamping components are spaced apart in guide piece, and at least one of two clamping components is movably positioned along adjustment path setting, clamping component is equipped with the clamping part of electrically energizable setting.In the utility model, the clamping part of two clamping components is respectively used to clamp the two contacts of circuit board, and clamping part is electrically energizable setting, to realize the fixation of circuit board and power-on test.Further, at least one of two clamping components is movably positioned along guide piece, i.

This disclosure provides a skin-adhesive device for promoting wound healing, comprising a base beam, an adhesive plate, and plastic screws. The base beam includes a first base beam and a second base beam, both having elongated holes along their length. Multiple plastic screws are present, one end of which passes through the elongated hole in the first base beam, and the other end of which passes through the elongated hole in the second base beam. A first limiting block and a first nut are provided at the end of the plastic screw closest to the first base beam, and a second limiting block and a second nut are provided at the end closest to the second base beam. The adhesive plate includes a first adhesive plate fixed to the first base beam and a second adhesive plate fixed to the second base beam. This disclosure solves the problem that traditional skin-adhesive devices cannot meet the requirement of flexible adaptation to bent body parts, and simultaneously allows for adjustment according to the size of the wound, thereby reducing secondary injury.

The utility model discloses a kind of belt conveyor carrier roller dismounting auxiliary devices, including the belt upper top mechanism of belt upper top;The belt upper top mechanism includes fixed support, and the both ends of fixed support are respectively hinged and installed with the side push structure of belt side push;Side push structure includes side push support, and the side push support is hinged and installed with adjusting support, and adjusting support is adjustably installed on fixed support;The outer end of the adjusting support is hinged and installed with the support top structure of push side push support;The belt upper top mechanism further includes the jacking structure for vertically jacking belt installed on fixed support. Through the mode, not only in the process of carrier roller maintenance, dismounting in the way of labor-saving, in simple, operation difficulty low way, belt is jacked up, after jacking, the posture of belt can be kept stable unchanged, to greatly improve the safety of operation, simultaneously, improve the efficiency of dismounting, maintenance carrier roller.

The utility model discloses a crawler chassis for weeding robot belongs to the technical field of robot, this crawler chassis includes mobile crawler, connecting beam, installation roof, lifting assembly and mobile sub -assembly, through setting up in lifting assembly's electric telescopic handle elongation and can make connecting cross board move down, and can lift two sides mobile crawler and leave the ground, and can adjust the interval between two sides mobile crawler more conveniently, through setting up in mobile sub -assembly's mobile wheel can make when adjusting the interval between two sides mobile crawler and ground contact, can follow mobile crawler and move while keeping the supporting force, reduce the friction with ground, through setting up in the drive motor rotation of adjusting component's rotation drive two -way screw rod, and can make two sides connection vertical board drive connecting beam and mobile crawler move simultaneously and move towards each other or opposite, realize the adjustment of mobile crawler interval.

This invention discloses a wet cleaning machine for semiconductor manufacturing, relating to the technical field of semiconductor wet cleaning equipment. It includes a closed-loop track for continuous wet cleaning of semiconductors. A cleaning component is slidably mounted on the closed-loop track, and a wafer is placed and fixed inside the cleaning component. The cleaning component is driven by a transfer mechanism to slide on the closed-loop track. The closed-loop track includes at least one arc-shaped segment. At least one set of chemical rinsing components and pure water rinsing components are respectively arranged on the outer and inner sides of the arc-shaped segment. By setting up the closed-loop track and driving the cleaning component to move on the closed-loop track through the transfer mechanism, in conjunction with the chemical rinsing components and pure water rinsing components, continuous wet cleaning of wafers can be achieved, simultaneously cleaning multiple wafers without waiting for the next wafer to be cleaned, effectively improving the efficiency of wafer cleaning and ensuring semiconductor production efficiency.

The present application relates to a kind of edge rolling device field, specifically a kind of edge rolling device for bag handle, including roll covering device and sewing machine workbench, the roll covering device is located in sewing machine workbench and is connected with sewing machine workbench, the roll covering device includes adjusting device: still include: with adjusting device connection cloth pulling assembly, the cloth pulling assembly is equipped with two groups and mirror image symmetry is set, the cloth pulling assembly includes side plate, L type socket is fixedly installed in the bottom of side plate both sides, the present application is adjusted by using the spacing between two groups of side plates by site mechanism, to adapt to different specifications of workpiece, while using clamping member makes edge rolling cloth spread full side plate, saves the operation of manual cloth feeding, it is convenient for edge rolling, using cloth pulling assembly completes the edge of workpiece, to solve the problems, such as the low efficiency of existing edge rolling card, cannot continuous work and cannot edge of multiple different specifications of workpiece.

This application belongs to the field of semiconductor processing technology, specifically relating to a backlight reflective layer printing device and its application. This application effectively controls the vibration generated during the printing process by optimizing the mechanical structure and position design of the frame, support plate device, and multi-axis spindle, reducing the deviation between the actual operating path and the planned path of the piezoelectric jet valve. This significantly improves the stability of the piezoelectric jet valve operation and the printing accuracy. Furthermore, this application, by setting up a micro-adjustment device, a positioning system, an inkjet calibration system, and a needle alignment device, and utilizing their coordinated relationship, can precisely correct printing parameters such as the jetting position or jetting volume of the piezoelectric jet valve. Therefore, based on the aforementioned stable printer body structure, the coating quality of the backlight reflective layer obtained by piezoelectric jet printing will be further improved. Thus, the backlight reflective layer prepared using this invention has better thickness uniformity and a better reflective effect.

The utility model relates to PCIe slot dustproof technical field, concretely is a kind of mainboard PCIe slot dustproof baffle, include: two end caps, a plurality of U-shaped plates are provided between two described end caps, every two described U-shaped plate is fixed with rubber membrane, and rubber membrane at both ends is fixed with two end caps, every described U-shaped plate side wall is provided with two tensioning components, and two tensioning components are connected with two U-shaped plates adjacent;Two rubber pads, two described rubber pads are respectively fixed on the inner wall of two end caps, the utility model can be under normal conditions, through the deformation of rubber pad and the effect of tensioning component, be fixed in PCIe slot both sides by two end caps, realize dustproof effect, if PCIe slot length is longer, can be according to the specific length of PCIe slot, adjust the spacing between two end caps, to realize the dustproof device can be for various specifications PCIe slot dustproof processing.

The utility model relates to the technical field of ground mat production, in particular to a ground mat cutting device facilitating continuous production. According to the technical scheme, the cutting device comprises cutting discs, a cutting frame and a cutting motor, a cutting shaft is rotatably installed in the cutting frame, the outer surface of the cutting shaft is slidably sleeved with a plurality of sliding sleeves, the outer surface of each sliding sleeve is fixedly sleeved with a cutting disc and a rotating bearing, and the outer surface of each rotating bearing is fixedly connected with a guide sliding block through a connecting rod; a guide sliding groove is formed in the top of the inner wall of the cutting frame, the guide sliding block is located in the guide sliding groove, an electric cylinder is fixedly installed on the rear surface of the cutting frame through a fixing frame, and the output end of the electric cylinder is fixedly connected with a moving plate. According to the utility model, the distance between the equally-divided cutting discs can be conveniently adjusted so as to adapt to different equally-divided cutting requirements of different ground mats, the adjusting time of the cutting discs is saved, and the influence on normal production of the ground mats is effectively reduced, so that the continuous production of the ground mats is facilitated.

The utility model provides a robot feeding and discharging device for a crank grinding machine. Relates to the technical field of automatic feeding and discharging. The robot feeding and discharging device for the crank throw grinding machine comprises a hollow bearing shell, a first transposition shaft is rotationally mounted at the top of the hollow bearing shell, a connecting disc is fixedly mounted at the top end of the first transposition shaft, and a hollow cylinder is fixedly mounted at the top of the connecting disc; a lifting screw rod is rotatably installed in the hollow cylinder, a mechanical arm is installed on the lifting screw rod in a threaded mode, the two sides of the mechanical arm extend out of the hollow cylinder and are in sliding connection with the outer wall of the hollow cylinder, and finger air cylinders are fixedly installed on the two sides of the mechanical arm; clamping jaws of the two finger air cylinders are fixedly provided with clamping blocks. The device has the advantages that the material changing speed is high, and the machining efficiency of the grinding machine is obviously improved.

The utility model relates to the field of intelligent detection, in particular to an intelligent detection device capable of quickly identifying a driving license, which comprises a bearing device and a fixing device, the bearing device comprises a grip, the grip is provided with the fixing device and a detection device, the fixing device comprises a fixing seat, and the fixing seat is fixedly connected to the edge of the upper end of the grip. A plurality of sliding holes are formed in the inner walls of the upper end and the lower end of the fixing base at equal intervals in the left-right direction, sliding rods are arranged on the inner walls of the sliding holes in a sliding mode, the ends, close to each other, of the sliding rods are jointly and fixedly connected with clamping blocks which are symmetrical up and down, and springs surround the outer walls of the sliding rods. The clamping block can be pushed by the spring to quickly limit and fix the driving license between the cameras, so that the cameras can quickly acquire the information of the driving license, the situation that the position of the driving license is aligned and adjusted for multiple times during information acquisition is avoided, and the detection efficiency of the driving license is improved.

The utility model relates to the technical field of agricultural mechanical equipment, and discloses a multi-degree-of-freedom walnut tree branch pruning mechanical arm which comprises a chassis, a mechanical arm body is arranged above the chassis, one end of the mechanical arm body is rotationally connected with a rotating shaft, the upper surface of the rotating shaft is fixedly connected with a connecting block, and a hydraulic cylinder is fixedly installed in the connecting block; the output end of the hydraulic cylinder is fixedly connected with a mounting block, an electric saw is fixedly mounted on the upper surface of the mounting block, and one side of the hydraulic cylinder is fixedly connected with a fixing rod. The telescopic structure that the double electric clamping jaws are matched with the sliding frame is adopted, the clamping distance can be flexibly adjusted according to the thickness and length of branches, the clamping stability and adaptability are remarkably improved, meanwhile, the clamping jaw gear connecting position can be conveniently lubricated, and the phenomenon that equipment is stuck or breaks down due to long-time friction is reduced; and the height of the mechanical arm body can be conveniently adjusted, and the flexible adaptability of pruning operation under different tree height conditions is improved.

The utility model discloses a flat tube collecting table with a guide structure, which belongs to the field of flat tube collection, and comprises a working table, a connecting table is fixedly mounted on one side of the working table, a plurality of sorting grooves are formed in the working table, a fixing plate is arranged at the top of the working table, and a guide structure is arranged on the fixing plate. The fixing plate is inserted into the workbench and is in sliding connection with the workbench, a side plate is arranged on the side, close to the connecting table, of the fixing plate, an auxiliary structure is arranged on the side plate, and two bottom plates are arranged at the bottom of the fixing plate. The flat pipes are screened through the sorting grooves according to the lengths of the flat pipes, so that the device achieves automatic screening, the circulation speed of the flat pipes on a production line is greatly increased, and the labor intensity of workers is reduced.

The utility model discloses a kind of traction devices for cable laying, including traction assembly, the traction assembly is installed on mobile base, and wire arrangement assembly is also installed on mobile base;The traction assembly includes two parallelly arranged side plates, lifting frame is vertically slidably installed between two side plates, and lifting drive mechanism that drives lifting frame to act up and down is installed on side plate;Two traction wheels are vertically arranged side by side on lifting frame, and the upper end and the lower end of traction wheel are respectively installed on upper sliding block and lower sliding block, and upper sliding block and lower sliding block are horizontally slidably installed on lifting frame;Telescopic cylinder is installed on the top of lifting frame, and the piston rod of telescopic cylinder is vertically and downward fixedly connected on the top block, and the top block is matched with two upper sliding blocks.This device can adapt to the laying installation of different size cable, and can effectively avoid the swing problem when cable traction transmission through wire arrangement assembly, so as to significantly improve cable laying efficiency and device running stability.

This utility model discloses a tire packaging labeling device, including a first frame, with a second frame fixedly connected to the top of the first frame. In this utility model, after the feeding mechanism places the tire on the labeling area, the four sides of the tire are held in place by drive wheels and auxiliary wheels. The drive wheels are connected by gears and toothed belts, enabling a reduction motor to drive both drive wheels to rotate simultaneously in the same direction. The drive wheels, in conjunction with the auxiliary wheels, drive the tire to rotate. The labeling structure, including a storage tray, guide wheel assembly, film-dispensing pressure roller, and peeling plate, affixes the label to the rotating tire surface. Simultaneously, the drive wheels and auxiliary wheels apply multiple pressures to the label and tire. This labeling device ensures that longer labels are firmly adhered to the tire surface, preventing them from falling off. Furthermore, a lifting component controls the lifting of the labeling component, automatically adapting to changes in tire specifications.

This invention discloses a biological cleanroom assembly mechanism and its usage method, belonging to the field of biological cleanroom assembly technology. It includes an operating table with a sliding movable platform, clamping mechanisms sliding on both sides of the operating table, and a rotatable cleaning mechanism on the operating table. A clamping plate is slidably mounted on the operating table. The cleaning mechanism includes a rotating long plate with several scrapers and roller brushes rotatably mounted on it. A liquid storage tank slides below the scrapers and roller brushes on the rotating long plate. This invention, by providing movable clamping plates with adjustable spacing, can clamp the cleaning box of the biological cleanroom, facilitating its assembly and cleaning. Simultaneously, the clamping plates can also clamp the mounting side plates, facilitating their assembly. After assembly, the clamping plates can act as push plates, pushing the assembled device out of the designated area. The clamping plates have different functions in different usage scenarios.

The application discloses a deviation rectifying device of a heat transfer printing machine and relates to the technical field of deviation rectifying devices. The deviation rectifying device comprises a support, connecting plates fixedly connected to the two sides of the bottom of the support, a deviation rectifying mechanism arranged on the inner side of the support, a motor mounted on one side of the support, a groove formed through one side of the support, a bidirectional screw rod fixedly connected to one end of the output shaft of the motor, a guide rod fixedly connected to the inner side of the support, and two screw sleeves threadedly sleeved with the outer side of the bidirectional screw rod and slidably sleeved with the outer side of the guide rod. The deviation rectifying mechanism is arranged, so that workers can adjust the distance between the two screw sleeves according to the size of the object to be subjected to heat transfer printing, thereby facilitating the rectification of objects of different sizes and the expansion of the application range of the device.

This utility model relates to the field of automotive trim panel production technology and discloses an automotive trim panel hole cutting mold. A handrail is fixedly installed at the middle of the side of a fixed frame. Abutment frames are slidably installed on both sides inside the fixed frame. An abutment plate is slidably installed between the inner sides of the two sets of abutment frames. A limiting mechanism is provided on the outer side of the fixed frame, and the limiting mechanism is connected to the abutment frames and abutment plates via a transmission connection. A movable groove is opened inside the middle of the middle of each abutment frame, and the outer side of the abutment plate slides against the inner wall of the movable groove. A first connecting rod is fixedly installed at the middle of the side of each abutment frame, and second connecting rods are fixedly installed at both ends of the side of each abutment plate. This utility model's technical solution adjusts the distance between the abutment frames and abutment plates, thereby allowing for the adjustment of the inner diameter of the positioning structure composed of the abutment frames and abutment plates. This enables the hole-cutting cutter to perform hole cutting processing on the surface of the automotive trim panel under the limiting action of the abutment frames and abutment plates.

The utility model discloses an anti -topple's orthopedics nursing with walking aid relates to walking aid technical field, including walking aid main part, handle and auxiliary mechanism, the walking aid main part top both sides butt joint has handle, and walking aid main part bottom one side is equipped with pulley. This anti -topple's orthopedics nursing with walking aid uses, through the auxiliary mechanism and increase the contact area between walking aid main part and ground, and then promote the support effect between walking aid main part and ground, prevent the rolling friction between pulley and ground and cause the displacement of walking aid, and then prevent the displacement of walking aid and influence the gravity of patient when walking, prevent the patient from falling and being injured, and adjust the interval between walking aid main part, make walking aid main part internal space and the use habit of patient correspond, and then promote the comfort degree when walking aid uses, thereby when orthopedics nursing with walking aid uses, play the role of convenient adjustment interval and support anti -topple.

The utility model belongs to the field of sliding door and window, especially a kind of sliding door and window with anti-pinch structure, to the current problem that there is no effective speed reduction when closing, avoid hand clamping when window body is staggered when opening, leading to the problem of hand clamping in the operation process of user, present the following scheme, it includes window frame and two window bodies, two the window body sliding is set in the inboard of window frame;Two the window body all be provided with buffer mechanism for buffering to prevent hand clamping when window body is closed, the window body is provided with anti-pinch mechanism for being abutted with another window body after one of window body is opened, avoid hand clamping when two window bodies are staggered.The utility model in the present application is combined by buffer mechanism and anti-pinch mechanism, which can effectively reduce the closing speed of window body, reduce impact force, prevent hand clamping, adjust the distance between two window bodies after opening, avoid staggered hand clamping, and comprehensively ensure the safety of user in the process of sliding door and window.

The utility model belongs to the technical field of decorative paper production, specifically relates to a kind of impregnation device for decorative paper production, including impregnation box and lifting mechanism, two support frames are equipped in the left and right ends of impregnation box, guide roller is equipped on support frame, scraper assembly is equipped on the support frame of right side, scraper assembly includes fixed frame and two scrapers, fixed frame is equipped with the through-hole for the decorative paper to pass through, both sides of through-hole are equipped with guide sliding slot and several first bolt positioning holes, two scrapers are opposite and set in through-hole, two scrapers are slidably connected in the inside of two guide sliding slots, the both ends of two scrapers are equipped with second bolt positioning hole, the inside of impregnation box is equipped with two compression rollers;Lifting mechanism is arranged outside impregnation box, for driving impregnation box to move up and down.This device can adjust the height of impregnation box, to change the distance between compression roller and the bottom of impregnation box, so that the residual impregnation liquid in impregnation box is fully utilized, and raw materials are saved.

The utility model discloses a kind of energy storage power station temperature monitoring systems, it is related to temperature monitoring system field.The energy storage power station temperature monitoring system, including temperature sensor module, data acquisition and transmission module, monitoring and alarm module, monitoring interface and database, audible and visual alarm and cooling system execution module, the cooling system execution module is used to cool energy storage power station, the energy storage power station temperature monitoring system, the structure of first clamping unit and second clamping unit is set on the liquid cooling plate in cooling system execution module, first clamping unit is convenient to limit the both ends of cooling pipeline, second clamping unit is convenient to support and limit the bending of cooling pipeline, first clamping unit and second clamping unit cooperate and facilitate adjusting the spacing between cooling pipeline on liquid cooling plate, and the distance between cooling pipe can reach suitable cooling effect according to the different device of heating.

The utility model discloses an anti-shake device for a mobile phone lens, which comprises an outer frame, a mounting frame is arranged in the outer frame, four groups of symmetrically distributed clamping blocks are arranged in the mounting frame, two groups of symmetrically distributed first adjusting rods are arranged in the mounting frame, and two groups of symmetrically distributed second adjusting rods are arranged in the mounting frame. The two sets of first adjusting rods and the two sets of second adjusting rods are vertically distributed, the four sets of clamping blocks are slidably connected with the corresponding sets of first adjusting rods and the corresponding sets of second adjusting rods correspondingly, and two sets of vertically-distributed bidirectional lead screws are arranged in the mounting frame. The distance between the two first adjusting rods and the two second adjusting rods is adjusted through rotation of the two-way lead screw in the mounting frame, then the distance between the four clamping blocks is adjusted, the anti-shake device can be used for fixing mobile phones of different models, and then anti-shake protection on different mobile phone lenses is achieved.

The utility model discloses a kind of label printing detection devices, including detection box, the inside of detection box is provided with cavity, the top position in detection box is provided with conveyor belt, the top of detection box is fixedly provided with visual detection robot, the front and rear end position of conveyor belt top is all provided with adjusting plate, the rear surface in detection box is all fixedly provided with connecting rod on both sides, the front and rear end position of connecting rod is all sleeved with movable sleeve, the both sides of connecting rod are all provided with pin slot.The label printing detection device, by setting adjusting plate, connecting rod, pin slot and elastic clamping rod, so that the device can be flexibly adjusted the spacing between two adjusting plates when using, so that the device can adapt to various sizes of label for detection when using, bring convenience for user, improve the practicability of the device, meet the use demand of user.

The utility model relates to the field of disassembling and assembling tools, in particular to a portable bearing disassembling and assembling tool which comprises an installation base and further comprises a supporting frame, a protective shell is fixedly installed at the upper end of the installation base, a connecting ring is arranged at the position, located on the inner side of the protective shell, of the upper end of the installation base, and an installation frame is fixedly installed at the position, located on the inner side of the connecting ring, of the upper end of the installation base. A first threaded rod is arranged on the inner side of the mounting frame, a rotating handle is fixedly mounted at the upper end of the first threaded rod, an extrusion head is arranged at the lower end of the first threaded rod, a connecting shaft is arranged on the inner side of the mounting base, and one end of the connecting shaft extends to the inner side of the mounting base and is fixedly provided with a second threaded rod; the extrusion head is controlled by rotating the rotating handle to abut against the supporting column of the bearing, the bearing can be conveniently tilted, and therefore the bearing disassembling work is completed, the bearing disassembling tool is easy and rapid to operate, the working efficiency of bearing disassembling work can be conveniently improved, and the bearing disassembling tool is an integrated disassembling tool and can be integrally transferred; and the convenience in use, storage and carrying of the tool is improved.

The utility model discloses a kind of adjustable forming devices of metal bar sheet, including forming frame, the inner wall of the forming frame is fixed with conveying roller, the middle part of the inner wall of forming frame is fixed with first roller element, the top of forming frame is fixed with fixed frame, the inner wall of the fixed frame is slidably equipped with connecting frame.The utility model is equipped with first straightening roller and second straightening roller, distance adjusting component is moved by connecting seat, connecting frame moves through mounting rod and drives moving frame to move, moving frame moves and drives first straightening roller to move, the distance between first straightening roller and second straightening roller is adapted to the distance between two roller elements, the surface wrinkle of metal foil caused by stress concentration can be eliminated by first straightening roller and second straightening roller, so as to improve the forming quality of metal foil, meanwhile, this mode can make the distance between straightening roller and the distance between roller synchronous adjustment, so as to meet different needs.

The utility model discloses a kind of carton automatic alignment feeding device, including base, base upper surface is equipped with conveyor belt, drive roller is arranged in conveyor belt inside, drive roller one end is fixedly connected with transmission wheel one, two-way screw rod is arranged in base inside, limiting plate is set in conveyor belt upper, base upper surface is fixedly connected with two symmetrical supports, mounting plate is arranged in support inside, mounting plate top surface is rotatably connected with threaded rod one end, mounting plate side is fixedly connected with rotating shaft one end, rotating shaft outside is fixedly connected with limiting roller, base upper surface is fixedly connected with placing rack.The utility model ensures the stability of conveying by limiting roller and paperboard surface bonding, moves using two-way screw rod to drive moving plate, moves using mounting plate up and down, the height of limiting roller is adjusted, and it is convenient to align feeding of paperboard of different radius and thickness.

The utility model discloses a composite non-woven fabric hot rolling and laminating device, and relates to the technical field of composite non-woven fabric processing devices. The non-woven fabric hot rolling device comprises a workbench, and further comprises a hot rolling part which is installed above the workbench and used for carrying out hot rolling on non-woven fabric; the guide part is mounted at the top of the hot rolling part and is used for guiding the non-woven fabric; the preheating part is arranged above the guide part and is used for preheating the non-woven fabric; wherein the hot rolling part is used for conveying the non-woven fabric and carrying out hot rolling on the non-woven fabric, and during conveying, the guide part limits the non-woven fabric. The guide part is arranged, so that the problems that in the using process of an existing composite non-woven fabric hot-rolling film covering device, non-woven fabric is prone to transverse position deviation in the conveying process, so that the non-woven fabric is inconveniently and accurately compounded with a film, the film covering of a compounded product is prone to being uneven, and the product quality is poor are solved. The appearance and the quality of the product are influenced.

The utility model discloses a detachable spiral engine oil dipstick, which relates to the field of engine oil dipsticks and comprises a dipstick handle and a dipstick rod detachably connected with the dipstick handle, a connecting plate is fixed at the end of the dipstick rod close to the dipstick handle, a metering plate is fixed at the end of the dipstick rod far away from the dipstick handle, and a fixing piece is fixed at the end of the dipstick handle close to the dipstick rod. A pull rod is fixed to the end, away from the ruler rod, of the ruler handle, a pull ring is fixed to the end of the pull rod, a sealing ring is embedded into the end, close to the fixing piece, of the ruler handle, and the effects of high dismounting and mounting efficiency, high mounting stability and good sealing performance are achieved.