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301 results about "Hose coupling" patented technology
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A hose coupling is a connector on the end of a hose to connect (or couple) it with another hose or with a tap or a hose appliance, such as an irrigation sprinkler. It is usually made of steel, brass, stainless steel, aluminium or plastic.
Full-appearance detection method and system for internal wire welding flux of automobile brake hose joint
ActiveCN120507362ACharacter and pattern recognitionOptically investigating flaws/contaminationBrakePanorama
The invention discloses a full-appearance detection method and system for welding flux of an internal wire of an automobile brake hose joint. The method comprises a multi-angle collaborative imaging step, a geometric defect detection step, a texture defect detection step, a dynamic fusion decision-making step and a fault-tolerant adjustment step. Images are collected through the cameras which are asymmetrically arranged in a surrounding mode and synthesized into a panoramic image, and detection blind areas are eliminated. The welding flux area can be fully covered, the defect detection precision and efficiency are improved, the adaptability to supplied material deviation is enhanced, and the method is suitable for full-appearance quality detection of the automobile brake hose connector internal wire welding flux.
Owner:杭州映图智能科技有限公司
Hose joint
The hose joint includes: a nipple having conductivity and provided along an insertion space of the hose body; a sleeve deformable in a radial direction and provided so as to surround an outer circumference of the insertion space of the hose body formed along an outer peripheral surface of the nipple; a plurality of separated holders provided outside of the sleeve to cover an outer face of the sleeve in a circumferential direction and be separable in the radial direction; and a tightening member provided to extend across the plurality of separated holders so as to move the individual separated holders closer together in the radial direction and cause diameter reduction of the sleeve. The nipple having the conductivity has a grounding clip having conductivity, the grounding clip is locked to an outer circumference of the nipple, each of the separated holders having a holder extension part.
Owner:TOYOX CO LTD
Built-in end coupling for high pressure reinforced bonded rubber hose assemblies
One aspect of the disclosure is a method of attaching a hose coupling to a reinforced hose. In one embodiment, the method comprises: skiving the first end of the reinforced hose to expose at least one reinforcing layer of a plurality of reinforcing layers of the reinforced hose; positioning the skived first end of the reinforced hose in an inner cavity of the hose coupling; introducing a vacuum into the inner cavity through a vent port in the hose coupling; and introducing a bonding agent into the cavity through an injection port in the hose coupling, wherein the bonding agent is drawn by the vacuum into the plurality of reinforcing layers of the reinforced hose.
Owner:CAPTENT INC
Integral vulcanization type acid fracturing hose connector assembly and preparation method thereof
The invention relates to an integral vulcanization type acid fracturing hose connector assembly and a preparation method thereof. The hose connector assembly comprises a connector and a hose. Wherein the joint comprises an outer connector, an outer protective sleeve, a steel wire rope fixing table and a steel wire rope fixing pressing block, and the hose comprises a steel wire rope winding layer; wherein a steel wire rope in the steel wire rope winding layer is fixed on the steel wire rope fixing table, the steel wire rope fixing pressing block is arranged above the steel wire rope fixing table, the steel wire rope fixing pressing block is fixedly connected with the steel wire rope fixing table, and contact surfaces between the steel wire rope fixing pressing block and the steel wire rope fixing table are complementary special-shaped contact surfaces; the outer connector is in threaded connection with the front end of the steel wire rope fixing table, the outer protective sleeve is arranged above the outer connector and the steel wire rope fixing pressing block, the outer protective sleeve is in threaded connection with the outer connector, and the contact face of the outer protective sleeve and the steel wire rope fixing pressing block is an inclined face with the same slope; compared with the prior art, according to the technical scheme, the connection stability of the hose connector can be improved.
Owner:DEZHOU UNITED GASOLINEEUM MACHINERY
Hose joint
Provided is a hose joint that allows whether or not tightening has been completed to be determined. The hose joint includes: a nipple provided along an insertion space of the hose body, a sleeve deformable in a radial direction thereof and provided so as to surround an outer circumference of the insertion space of the hose body formed along an outer peripheral surface of the nipple, a plurality of separated holders provided outside the sleeve to cover an outer face of the sleeve in a circumferential direction thereof and be separable in the radial direction, and a tightening member provided to extend across the plurality of separated holders so as to move the individual separated holders closer together in the radial direction and cause diameter reduction of the sleeve, the hose joint further including a spacer disposed between each of the plurality of separated holders and the sleeve.
Owner:TOYOX CO LTD
Fire hose reel
The invention belongs to fire fighting, particularly relates to the technical field of fire fighting equipment, and discloses a fire fighting hose reel which comprises a fire fighting reel body, a mounting frame is mounted on the fire fighting reel body, a circulation part is arranged on the mounting frame and comprises a case, the case is mounted on the mounting frame, a first piston cylinder is mounted in the case, and a second piston cylinder is mounted in the first piston cylinder. The middle of the first piston cylinder integrally communicates with a water inlet, one end of the first piston cylinder communicates with a water receiving pipe, a restraining part is arranged on the circulation part, forward water hammer restraining is adopted, the restraining part attenuates the instantaneous speed and pressure of water flow through kinetic energy conversion and gas buffering, the hose is prevented from being straightened and swung due to instantaneous high pressure, and the water flow is prevented from being damaged. By means of reverse water hammer digestion, inert gas backflow of the compensation portion and pressure compensation, reverse impact generated by sudden stopping of water flow is counteracted, fatigue cracking of a hose connector due to repeated impact is avoided, and secondary risks of high-pressure water flow jetting are reduced.
Owner:HENGGUANG FIRE TECH CO LTD
Providing hose coupling protection
PendingUS20250320948A1Fire rescuePipe protection against damage/wearClassical mechanicsStructural engineering
A hose coupling protection apparatus includes a cover assembly constructed and arranged to install around a set of hose couplings which connects a first hose and a second hose. The cover assembly provides a smooth outer covering around the set of hose couplings when the cover assembly is installed around the set of hose couplings. In some arrangements, the cover assembly includes a first casing section and a second casing section, the first casing section and the second casing section being constructed and arranged to install around the set of hose couplings when fitted around the set of hose couplings and brought together into engagement (e.g., via snap-fit features).
Owner:HOWE & HOWE INC
Composite pipeline liquid detection module
The invention relates to the technical field of liquid detection sensors, in particular to a composite pipeline liquid detection module which comprises a pipe seat, hose joints integrally fixed to the two ends of the pipe seat, a shell integrally fixed to the upper end of the pipe seat and a circuit board detachably installed at the upper end of the shell. According to the pipeline liquid detection module, the pipeline liquid detection module is formed by compounding the pipe seat, the shell, the shell cover, the circuit board, the data line, the liquid level sensor probe, the water hardness sensor probe and the PH sensor probe, and the liquid level sensor probe, the water hardness sensor probe and the PH sensor probe can be conveniently disassembled and assembled, so that one-to-many detection treatment on a liquid pipeline can be realized; the liquid level, the water hardness and the liquid PH value in a liquid pipeline can be synchronously detected, the integration level, the intelligent degree and the functional requirements of the pipeline liquid detection module are effectively improved, and meanwhile the overall size is not greatly different from that of an original detection module in a single detection mode. And meanwhile, the structural design of the pipeline liquid detection module is more beneficial to later industrial customized use and overhaul and maintenance operation.
Owner:HUANGSHAN SANXIANG ELECTRONIC TECH CO LTD
Anti-falling fire hose coupling
The utility model relates to a kind of anti-falling fire-fighting lance joint, belong to fire-fighting equipment technical field;Including ratchet lock ring, bidirectional elastic pusher and unlocking slider, when the water hose connecting end is inserted into the lance connecting end, rotate ratchet lock ring to make the end of bidirectional elastic pusher be inserted into ratchet pawl ring tooth slot, form mechanical interlock;When unlocking, one-hand presses unlocking slider, its inside wedge push rod extrudes pusher root, forces pusher elastic deformation to separate tooth slot, ratchet lock ring can be freely rotated to realize separation at this time;When water pressure is greater than 0.5MPa, conical sealing ring expands radially and enhances sealing, leakage rate is less than 0.1L / min;Protective flange covers 80% exposed part of ratchet lock ring, and 15J impact resistance is impacted, suitable for fire-fighting water hose quick connection, solve the industry pain point of traditional joint operation slow, easy to fall off, high risk of accidental touch.
Owner:FUJIAN ZHONGXING FIRE EQUIP CO LTD
An easy-to-install gas connection hose
This utility model relates to a connecting hose, specifically, a gas connecting hose that is easy to install. It includes a first hose and a second hose, with a first connector and a second connector fixedly connected to their respective ends close to each other. A connecting mechanism is provided on the first connector near the second connector, and a sealing mechanism is provided on the second connector near the first connector. When the first and second connectors are connected, the sealing mechanism seals the connection point. In this utility model, the operator threads the two hoses together, then pushes a moving component close to the sealing mechanism. The operator flips an L-shaped rotating plate, causing a top block to move closer to the sealing mechanism. The moving component then moves the L-shaped rotating plate and the top block, causing a compression ring to move. The moving compression ring compresses the sealing ring, ensuring that the sealing ring remains in close contact with the connection point of the two hose connectors.
Owner:XUZHOU ZHENGTONG ARTIFICIAL ENVIRONMENT ENG CO LTD
Hose Connectors
To complete a transfer of solid material such as mulch, multiple hoses may have to be connected together, therefore, such hoses have hose connection fittings attached at their ends. A hose connector has a male fitting connected to a first hose and a female fitting connected to the second hose. The male fitting may be inserted into the female fitting and the two fittings are secured together thereby connecting a first hose to a second hose. The hose connector has a locking assembly consisting of set screw, a radial hole defined in the female fitting, and a recess for receiving the set screw in the male fitting.
Owner:MULCH UNLIMITED INC
Metal hose connector capable of achieving quick buckling
The utility model discloses a metal hose joint capable of realizing quick fastening, which relates to the technical field of metal hose joints, and comprises a female plug and a male plug which are mutually clamped together, a through groove and a side plate are respectively arranged on the outer side of the female plug in an annular array mode, and the male plug is connected with the through groove in an annular array mode. The male plug is inserted into the inner side of the female plug, and an adjustable locker is movably connected into the side plate; the outer side of the female plug is further movably connected with an anti-loosening stopper, the adjustable locking devices are located on the inner side of the anti-loosening stopper in an annular array mode, and the ends of the adjustable locking devices penetrate through the through grooves to be connected with the male plug. According to the utility model, the spring pushes the sliding sleeve to slide on the outer side of the female plug through the elasticity of the spring, and the inner side of the sliding sleeve is attached to the side surface of the rotating pull rod, so that the position of the rotating pull rod is limited, the rotating pull rod is prevented from rotating, and the locking effect on the joint is improved.
Owner:DONGTAI HAOZHISHEN TECHNOLOGY CO LTD
High-pressure fluid hose connector
The invention belongs to the technical field of hose connectors, and particularly relates to a high-pressure fluid hose connector. Comprising a sleeve and a core rod, the core rod is coaxially arranged in the sleeve, one end of the sleeve is open, the other end of the sleeve is connected with the core rod, a plurality of sealing protruding rings are formed on the inner wall of the sleeve, the core rod is of a pagoda-shaped sealing line structure in appearance, and the end, connected with the sleeve, of the core rod is sleeved with a sealing ring gasket and a supporting ring plate. The sealing ring gasket is arranged on the side face, away from the connecting position of the sleeve and the core rod, of the supporting ring plate, a plurality of compression springs are evenly distributed on the inner end face, away from the open end of the sleeve, of the sleeve in the circumferential direction of the axis, and the other ends of the compression springs abut against the supporting ring plate. The sealing device has the advantages of being good in sealing performance and capable of preventing the hose from loosening.
Owner:CNNC NUCLEAR POWER OPERATION MANAGEMENT CO LTD
Check valve for a wiper arm of a wiper, which is used in particular for a motor vehicle, wiper arm and wiper
A check valve (20) for a wiper arm (2) of a wiper (1), which is used in particular for a motor vehicle (4), is provided, wherein a first hose connection (21) for a first hose line (25) and a second hose connection (22) for a second hose line (26) are provided. It is proposed that the check valve (20) opens when a fluid flow is directed from the first hose connection (21) to the second hose connection (22) and closes in the opposite direction, and that the first hose connection (21) and the second hose connection (22) are oriented relative to each other such that the first hose connection (21) is positioned laterally against a flow direction (30) given by the second hose connection (22). A wiper arm (2) and a wiper (1) are also specified.
Owner:ROBERT BOSCH GMBH
Locking device for hose nozzle attachments and accessories
A hose attachment locking device for garden hose nozzle attachments and accessories. The locking device may prevent the removal of nozzle attachments and other accessories from a garden hose without first removing the locking device. Additionally, the locking device may prevent the operation of nozzle attachments and other accessories without first removing the locking device.
Owner:COOPER SKYLER
Water spraying device
ActiveCN223786826UAgriculture gas emission reductionCultivating equipmentsAgricultural engineeringSoybean sprout
The utility model discloses a water spraying device which comprises a sliding rail, limiting sliding grooves are symmetrically formed in the sliding rail, limiting sliding blocks are installed in the limiting sliding grooves in a sliding mode, a vertical frame is fixedly connected to the limiting sliding blocks, a water tank fixing base is fixedly connected to one side of the vertical frame, and a water tank is fixedly connected to the water tank fixing base. A connecting sliding groove is formed in the vertical frame, a connecting sliding block is installed in the connecting sliding groove in a sliding mode, a cantilever is fixedly connected to one side of the connecting sliding block, a spraying head is fixedly connected to the lower portion of the cantilever, a hose connector is fixedly connected to the front face of the cantilever, a pipeline is arranged in the cantilever, and the pipeline is communicated with the hose connector and the spraying head. And a pump machine is fixedly connected in the water tank. The L-shaped supporting arm is formed by the vertical frame and the cantilever, the bean sprouts are sprayed through the spraying head, and when irrigation is not carried out, the vertical frame and the cantilever need to be moved to the end of the sliding rail, so that the vertical frame and the cantilever are prevented from influencing normal illumination of the bean sprouts.
Owner:HONGHU CAIXINYUAN VEGETABLE CO LTD
Access devices for semi-trailers
A coupling access device for a semi-trailer includes: a cover mechanism to cover an air hose coupling for pneumatic brakes of the semi-trailer, the cover mechanism to restrict access to the air hose coupling when in a closed position, and the cover mechanism to provide access to the air hose coupling when in an open position; a lock device to engage the cover mechanism in the closed position; and a controller to actuate the lock device to allow the cover mechanism to transition from the closed position to the open position.
Owner:DRIVERTECH LLC
Mistake proofing device for hose connector
Owner:GUANGZHOU BANGTAI ELECTRIC CO LTD
Electrical connector of micro-water pressure and temperature sensor for GIS (Gas Insulated Switchgear)
The utility model discloses an electrical connector of a micro water pressure temperature sensor for a GIS, which comprises a sensor upper cover, a patch board, an insertion sheet and a wire harness, a step hole is arranged at one end of the sensor upper cover, the patch board is arranged on the step surface of the step hole, the insertion sheet is inserted on the patch board, and the wiring harness is arranged on the patch board. One end of the insertion piece is located in the stepped hole along with the patch board, the other end of the insertion piece is exposed out of the sensor upper cover, the wiring harness is connected to the patch board so as to be connected with the insertion piece, one end of the wiring harness is located in the stepped hole along with the patch board, and the other end of the wiring harness is exposed out of the sensor upper cover. The other end is provided with a wire pressing terminal which is provided with a rubber shell. The stepped hole is provided with an internal thread metal hose connector for connection. The utility model solves the problems that the conventional connecting piece is too complicated and the cost is too high, and provides the electrical joint which is lower in cost and simpler and safer to operate.
Owner:JIANGSU LIDE INTELLIGENT MONITORING TECH CO LTD
Fire-fighting quick pipe joint
The utility model discloses a fire-fighting quick pipe joint which can be used as a pipe joint or a fire-fighting anchor which can be quickly inserted into a male pipe joint. The main pipe joint comprises a main pipe joint and a rolling structure; the female pipe joint is provided with a connecting pipe at the rear section and an inserting pipe at the front section, and the connecting pipe is used for connecting a fire hose; an inserting hole is formed in the front end of the inserting pipe in a concave mode and communicated with the connecting pipe backwards, and a buckling structure is arranged in the inserting hole and used for buckling and positioning when the male pipe connector is inserted. The rolling structure comprises a fixing ring and a plurality of rollers, the fixing ring is sleeved and fixed on the peripheral wall of the inserting pipe, the plurality of rollers are arranged around the fixing ring in a rolling mode, and the rolling face of each roller protrudes out of the outer ring face of the fixing ring. When the fire hose is dragged on the ground, the rolling surface of the roller can roll on the ground, so that the friction and the resistance are reduced, and the operation of a firefighter is more labor-saving.
Owner:YI HSING EXTINGUISHER
Waterproof hose connector based on high-tightness meshing structure
Owner:NINGBO TENGYANG MACHINERY CO LTD
Detachable pipe passage for lift slide
The application discloses a detachable pipe channel for a lifting slide, which comprises a lifting slide, characterized in that a detachable pipe channel is arranged at one end of the lifting slide, wherein the detachable pipe channel comprises a hose assembly, a hose joint, a first fixing block, a steel pipe and a second fixing block; the first fixing block and the second fixing block are provided with through holes which are adapted to the number of hoses; the through holes on the first fixing block and the second fixing block are connected into a whole through the steel pipe; one end of the hose assembly is connected with the first fixing block through the hose joint; and the hose assembly is fixed on the two sides of the lifting slide through a fixed baffle and bolts respectively; and an interface is arranged on the side, away from the steel pipe, of the second fixing block. The structure is safe and simple to operate, is convenient to maintain and disassemble, is novel in structure form, is perfect in function and can meet the requirements of the pin lock cylinder and the air cylinder on the lifting slide on respective required fluid.
Owner:HUATIAN ENG & TECH CORP MCC +1
A fire hose coupling designed to prevent detachment from falling water.
This utility model discloses a fire hose coupling to prevent detachment, relating to the field of fire hose coupling technology. It includes a lower coupling, an upper coupling connecting the lower coupling, and a locking assembly located between the lower and upper couplings. The locking assembly includes an inlet groove, an annular groove, and a locking groove on the upper coupling; a flip rod rotatably connected to the lower coupling via a spring hinge; and a locking rod fixed to the flip rod. When the lower and upper couplings rotate relative to each other, the locking rod moves within the inlet groove and annular groove, and is locked in the locking groove. The flip rod does not extend into the inlet groove. The advantages of this utility model are: the locking rod moves within the inlet groove, and when the lower and upper couplings rotate relative to each other, the locking rod moves synchronously around the annular groove until it is above the locking groove. Under the elastic action of the spring hinge, the locking rod is locked into the locking groove for stability, providing an anti-detachment effect. Furthermore, the lower and upper couplings are assembled synchronously, resulting in good synchronization and faster assembly efficiency.
Owner:FUJIAN ZHONGXING FIRE EQUIP CO LTD
Hose joint with same and different diameters and capable of being quickly connected
The utility model relates to the technical field of pipeline joints, in particular to a same-diameter and different-diameter hose joint capable of being quickly connected, which comprises a tubular body, a lug boss, an extrusion part and two nuts, a first hose inserting groove for inserting a hose is formed in the end face of the tubular body, an extrusion groove for inserting an extrusion piece is formed in the end face of the end, away from the first hose inserting groove, of the protruding part, and the extrusion piece is driven to slide towards the groove bottom of the extrusion groove when the nut is screwed down. The first hose inserting grooves are formed in the two ends of the tubular body, the protruding parts are arranged on the outer side faces of the two ends of the tubular body, the extruding grooves are formed in the protruding parts, the extruding pieces are arranged to be inserted into the extruding grooves, the nuts and the blocking pieces are arranged to push the extruding pieces, the extruding grooves are opened through the extruding pieces, and then the first hose inserting grooves and hoses are extruded and fixed. When the hose is connected, the hose can be fixed only by inserting the hose into the second hose slot and then tightening the nut, so that the quick connection of the hose is realized.
Owner:MAOMING LIANSU BUILDING MATERIALS CO LTD
Hose coupling and method for use in analysis systems
A hose coupling for a fluidic connection in an analytical system, and a method of using the same. The hose coupling comprises a sleeve comprising a first hollow cylinder having a channel connected to a hose at one end and having a first opening for receiving a plug at the other end, the end for receiving the plug being at least partially surrounded by a locking ring and having a handle with a gripping surface on the opposite side to the locking ring; and a plug comprising a second hollow cylinder which is at least partially inserted into the opening of the sleeve, the end which is inserted into the plug having a hook on one side.
Owner:STRATEC SE
TERMINAL MONITORING SYSTEMS AND PROCEDURES FOR ERROR-FREE HOSE TERMINAL INSTALLATION
PendingDE102024126822A1Pipe couplingsStructural/machines measurementControl systemControl engineering
A method for operating a clamp monitoring system includes a control system that receives confirmation that a workpiece has entered a test area within a workstation. In response to receiving this confirmation, the control system issues command prompts to: (1) position a continuity test device at a target clamping location where a hose clamp secures a hose to a hose connector on the workpiece, and (2) activate the test device after it has been positioned at the target clamping location. The test device transmits continuity data indicating electrical continuity of the hose clamp to the control system. A position sensing device transmits position data indicating the real-time position of the device to the control system.The controller issues a message indicating that the hose clamp is properly attached to the workpiece when the continuity state shows electrical continuity at the hose clamp and the real-time fixture position matches the target clamping location.
Owner:GM GLOBAL TECHNOLOGY OPERATIONS LLC
Pull-type aircraft refueling system
The invention relates to a towed aircraft refueling system which comprises a refueling control device, an interlocking device, a hydraulic device and an electric control device. The refueling control device is installed on a pipeline refueling trailer and comprises a ground well hose connector, a ground well hose, a coarse oil filter assembly, an electromagnetic pressure control valve, a rotary connector, a flow control electromagnetic valve, a filter, a flow meter, a safety relief valve, a reel ball valve, a venturi tube, an oil conveying hose and a pressure refueling connecting nozzle which are sequentially connected. The ground well hose connector is used for being connected with a ground well valve on an airport apron so as to introduce aviation oil. The pressure refueling nozzle is used for being connected with an aircraft fuel tank inlet to complete refueling. The interlocking device is used for performing brake interlocking and refueling oil path interlocking control on the refueling control device; the hydraulic device is used for providing hydraulic driving force for a hydraulic execution component on the refueling trailer; the electric control device is used for providing a control circuit for the refueling control device. Compared with the prior art, the invention has the advantages of maneuverability, flexibility, easy operation, energy conservation, economy, safety, environmental protection and the like.
Owner:SHANGHAI CHENGFEI AVIATION SPECIAL EQUIP
Buckling and pressing type hose connector
The utility model relates to the technical field of hose connectors, and discloses a buckling-pressing type hose connector which comprises a pipe body, a connecting pipe is arranged in the pipe body, the connecting pipe is matched with the pipe body, the diameter of the connecting pipe is smaller than that of the pipe body, buckling-pressing assemblies are arranged on the two sides of the outer wall of the pipe body, and the buckling-pressing assemblies are connected with the pipe body. The buckling and pressing assembly is matched with the pipe body and the connecting pipe and comprises a metal elastic key arranged on the outer wall of the pipe body. According to the hose connecting device, hoses needing to be connected are inserted into the hose body, the locking ring is rotated to gradually extrude the metal elastic keys along with rotation of the locking ring, the metal elastic keys are pressed into the hose body through the inner wall of the locking ring, the hoses are extruded and fixed through the fixing pieces under the pressure effect, the hoses are clamped through the fixing teeth, and connection of the hoses is achieved. Compared with a traditional threaded connection hose, the hose is fixed deeply through the fixing teeth, the hose is not prone to falling off due to the fact that threads in the connector are rubbed down, and long-time fixing of the hose is facilitated.
Owner:JIANGSU TAIRUN CENTURY PIPELINE SYST CO LTD
REFILLATION SYSTEM AND METHOD OF A TANKING AIRCRAFT WITH A BOOM HOSE ADAPTER
Owner:AIRBUS DEFENCE & SPACE SAU
Laser powder feeding cladding lateral powder feeding head capable of rapidly replacing powder feeding pipe
The utility model discloses a laser powder feeding cladding lateral powder feeding head capable of quickly replacing a powder feeding pipe, which comprises a powder feeding hose joint, the powder feeding hose joint comprises a powder feeding hose quick-insertion interface, and one end of the powder feeding hose quick-insertion interface is connected with an opening on the top surface of a powder pipe fixing head; the outer wall of the powder tube fixing head is an external thread face, a stepped through hole is formed in the middle of the powder tube fixing head, the upper portion of the powder tube is inserted into the stepped through hole, the powder tube is sleeved with the powder tube protection sleeve, the upper end and the lower end of the powder tube protection sleeve are respectively internal thread holes, and the internal thread holes in the upper end of the powder tube protection sleeve are in threaded connection with external threads of the powder tube fixing head. The inner threaded hole in the lower end of the powder pipe protection sleeve is in threaded connection with the outer threaded hole end of the nozzle, and the lower end of the powder pipe penetrates through the middle through hole of the nozzle. The structure is convenient to replace and low in cost.
Owner:TIANJIN SHIPREPAIRING TECH RES INST