CN112648456B - Welded type air heater water inlet and outlet pipe joint - Google Patents
Welded type air heater water inlet and outlet pipe joint Download PDFInfo
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- CN112648456B CN112648456B CN202011474305.8A CN202011474305A CN112648456B CN 112648456 B CN112648456 B CN 112648456B CN 202011474305 A CN202011474305 A CN 202011474305A CN 112648456 B CN112648456 B CN 112648456B
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- Prior art keywords
- pipe
- flow limiting
- air heater
- limiting
- limiting plate
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L33/00—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
- F16L33/16—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses with sealing or securing means using fluid pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L27/00—Adjustable joints, Joints allowing movement
- F16L27/08—Adjustable joints, Joints allowing movement allowing adjustment or movement only about the axis of one pipe
- F16L27/0804—Adjustable joints, Joints allowing movement allowing adjustment or movement only about the axis of one pipe the fluid passing axially from one joint element to another
- F16L27/0808—Adjustable joints, Joints allowing movement allowing adjustment or movement only about the axis of one pipe the fluid passing axially from one joint element to another the joint elements extending coaxially for some distance from their point of separation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
- F16L3/08—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing
- F16L3/12—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing comprising a member substantially surrounding the pipe, cable or protective tubing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/04—Devices damping pulsations or vibrations in fluids
- F16L55/045—Devices damping pulsations or vibrations in fluids specially adapted to prevent or minimise the effects of water hammer
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H3/00—Air heaters
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/12—Hot water central heating systems using heat pumps
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Resistance Heating (AREA)
Abstract
The invention provides a welded type air heater water inlet and outlet pipe joint, which comprises a joint body, wherein the joint body comprises an inner pipe and an outer pipe, the inner pipe is positioned on the left side of the outer pipe, the left side of the inner pipe is provided with a limiting groove, the upper end and the lower end of the inner part of the limiting groove are respectively clamped with a semi-arc plate matched with the limiting groove, a flow limiting plate is arranged between the two semi-arc plates, the flow limiting plate is provided with two flow limiting plates, the inner part of the flow limiting plate is provided with a flow limiting hole, the inner pipe is positioned in a reserved pipe of a water tank of an air heater during installation, when the device is in actual use, water flow can impact one side flow limiting plate to enable the impacted flow limiting plate to approach to a water flowing groove until the flow limiting plate is positioned in the water flowing groove, and the flow limiting plate drives a connecting rod to support the semi-arc plates in the moving process of the flow limiting plate to enable the semi-arc plates to push against the pipe wall of the inner pipe to expand, so that the inner pipe is tightly attached to a water tank prefabricated pipe of the air heater by utilizing the impact of the water flow, the leakproofness is good, and the installation is more convenient.
Description
Technical Field
The invention relates to the technical field of air heaters, in particular to a welded water inlet and outlet pipe joint of an air heater.
Background
The electric heating air heater mainly comprises an air heater and a fan, wherein the air heater dissipates heat, and then the fan sends out the heat, so that the temperature of indoor air can be adjusted. The material of the air heater is generally divided into heating wires, heating pipes, PTC or spiral finned tubes and other heating elements, for example, a heat dissipation calandria of a steam type warm air blower is wound on a seamless boiler pipe with the wall thickness of phi 21.5 by using special aluminum tape equipment, the spacing is 2.5mm, the calandria and a heat medium circulation pipeline are of an integral welding structure, the working pressure of the warm air blower is below 0.8MPa, the industrial warm air blower is made of stainless steel, and the daily air conditioner generally comprises the PTC heating pipes.
In the process of implementing the invention, at least the following problems in the prior art are found to be solved: 1. the water inlet and outlet pipe joints in the existing household air heater are generally directly installed in a welding mode in a factory, but the water leakage phenomenon happens after the air heater is installed and used, the re-welding wastes time and labor, the pipe wall of the water pipe is thin, and the service life of the water pipe is greatly shortened by multiple times of welding;
2. for the structure of right angle welding between the port of well hydroecium connecting hole terminal surface and water pipe in the domestic fan heater, water pipe terminal surface is very little with hydroecium connecting hole contact surface, often leads to seam crossing between them to weld insecure, the phenomenon of leakage appears easily, very big influence the quality of product.
Therefore, a welded water inlet and outlet pipe joint of the air heater is provided.
Disclosure of Invention
The invention aims to provide a welded type air heater water inlet and outlet pipe joint, which is characterized in that an inner pipe is arranged in a reserved water tank pipe of an air heater when the welded type air heater water inlet and outlet pipe joint is installed, water flow can impact a flow limiting plate on one side to enable the impacted flow limiting plate to be close to a water flowing groove until the flow limiting plate is positioned in the water flowing groove, the flow limiting plate drives a connecting rod to support a half-arc plate in the moving process of the flow limiting plate, the half-arc plate is enabled to be expanded against the pipe wall of the inner pipe, the inner pipe is enabled to be more tightly attached to the prefabricated water tank pipe of the air heater through the impact of the water flow, the sealing performance is good, the installation is more convenient, and the problems in the background technology are solved.
The invention provides a welded type air heater water inlet and outlet pipe joint, which comprises a joint body, wherein the joint body comprises an inner pipe and an outer pipe, the inner pipe is positioned at the left side of the outer pipe, the left side in the inner pipe is provided with a limiting groove, the upper end and the lower end in the limiting groove are respectively clamped with a half-arc plate matched with the limiting groove, a current limiting plate is arranged between the two half-arc plates, the two flow-limiting plates are arranged, the inside of each flow-limiting plate is provided with a flow-limiting hole, the front end and the rear end of the inside of the inner pipe, which are positioned between the two flow-limiting plates, are both provided with water flowing grooves, a connecting rod is rotatably connected between the upper end and the lower end of the current limiting plate and the semi-arc plate, vertical rods are fixedly connected with the left side and the right side of the bottom of the upper semi-arc plate, loop bars are fixedly connected with the top end of the lower semi-arc plate and the lower part of the vertical rods, the vertical rod penetrates through the sleeve rod, and a stop block is fixedly connected to one side, far away from the launder, of the outer surface of the vertical rod.
Through adopting above-mentioned technical scheme, it is intraductal as for the water tank reservation of air heater to reserve when the installation, rivers can strike one side current-limiting plate and make and be close to the tye by the impact current-limiting plate when in actual use, until the current-limiting plate is located the inside of tye, and the in-process current-limiting plate that the current-limiting plate removed drives the connecting rod and supports half arc board, make half arc board push up the pipe wall expansion of inner tube, realized utilizing the impact of rivers to make the inner tube more closely laminate with the water tank prefabricated pipe of air heater, the leakproofness is good, it is more convenient to install.
Preferably, the inner tube is made of high-temperature-resistant rubber, and the half-arc plate is made of stainless steel.
Through adopting above-mentioned technical scheme, set up to high temperature resistant rubber through the material with the inner tube, utilize the ductility of high temperature resistant rubber itself to come better by the water tank reservation pipe of half arc board expansion laminating fan heater, further strengthen the leakproofness.
Preferably, the right side of inner tube surface and the inside fixedly connected with spacing ring that is located the outer tube, the equal fixedly connected with litter in both ends about the spacing ring is left, the left side of litter runs through the left side of outer tube and extends to the left of outer tube, the surface of litter just is located and is equipped with the spring between the left side of outer tube left side internal surface and spacing ring, the scale has been seted up on the right side of the surface of inner tube.
Through adopting above-mentioned technical scheme, be provided with the spacing ring through the surface at the inner tube, and the left side of spacing ring is provided with the litter to this realizes spacing slip between inner tube and the outer tube, and is provided with the spring at the surface of litter, utilizes the elasticity of spring itself to cushion the impact to the inner tube behind the external force impact outer tube, and through being provided with the scale at the surface of inner tube, can assault inner tube and outer tube when rivers pass through the inner tube and keep away from each other, can realize judging the rivers state in the inner tube through observing the scale.
Preferably, the middle cover of outer tube surface is equipped with the blotter, the surface of outer tube and the left and right sides that is located the blotter all overlap and are equipped with solid fixed ring, the surface of blotter just is located two solid fixed ring between the cover and is equipped with the go-between, the left side fixedly connected with T type welding block of go-between, T type welding block is provided with four.
Through adopting above-mentioned technical scheme, through be provided with the blotter between outer tube and go-between, carry out spacing avoiding the blotter to slide through the retainer ring to the blotter, transmitted the go-between by the water impact vibrations when avoiding the outer tube to lead to water, and then influence the water tank welding department fracture of T type welding piece and air heater, and weld with the air heater through adopting four T type welding pieces, accelerated welding process, and avoided connecting the life who destroys the joint with the direct welding of air heater.
Preferably, the joint body is provided with two sets of, two from top to bottom fixedly connected with connecting plate between the solid fixed ring, the connecting plate is provided with two, the middle part welding between two connecting plates has a spacing section of thick bamboo, threaded rod runs through the inside of a spacing section of thick bamboo, the equal threaded connection in both ends has anchor clamps around the threaded rod surface.
Through adopting above-mentioned technical scheme, through being provided with the connecting plate between two solid fixed rings, can utilize the connecting plate to share external force and strike, strengthened the shock resistance who connects the body, and be provided with anchor clamps through the both ends at the threaded rod, step up the air heater through anchor clamps and come to the further fixed of joint body, make joint body and air heater come in more stable.
Preferably, the front end of the threaded rod is fixedly connected with a shifting lever, the outer surface of the threaded rod and the position in front of the limiting cylinder are provided with reverse threads, and the outer surface of the threaded rod and the position behind the limiting cylinder are provided with forward threads.
Through adopting above-mentioned technical scheme, through the screw thread that both ends were provided with not equidirectional around the threaded rod, the cooperation driving lever can drive two anchor clamps and remove to the threaded rod center simultaneously when rotating the driving lever, easy operation, and easy to assemble need not with the help of appurtenance for the efficiency of work.
Compared with the prior art, the invention has the beneficial effects that:
1. through when the installation with the inner tube as for the water tank reservation of fan heater intraductal, rivers can strike one side current-limiting plate and make and be close to the tye by the impact current-limiting plate when in actual use, be located the inside of tye until the current-limiting plate, and the in-process current-limiting plate that the current-limiting plate removed drives the connecting rod and supports half arc board, make half arc board push up the pipe wall expansion of inner tube, realized utilizing the impact of rivers to make the inner tube closely laminate more with the water tank prefabrication pipe of fan heater, the leakproofness is good, it is more convenient to install.
2. Through being provided with the blotter between outer tube and go-between, carry out spacing avoiding the blotter to the blotter through the retaining ring and slide, transmit the go-between by water impact vibrations when avoiding the outer tube to lead to water, and then influence the water tank welding department fracture of T type welding piece and air heater, and weld with the air heater through adopting four T type welding pieces, accelerated welding process, and avoided the life that connects and air heater direct weld destruction joint.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a front view of the present invention;
FIG. 2 is a perspective view of a fitting body according to the present invention;
FIG. 3 is a cross-sectional view of a fitting body of the present invention;
FIG. 4 is an enlarged view taken at A in FIG. 3 according to the present invention;
fig. 5 is a right side view of the present invention.
Description of reference numerals:
1. a connector body; 2. an inner tube; 3. an outer tube; 4. a limiting groove; 5. a half-arc plate; 6. a restrictor plate; 7. a flow restriction orifice; 8. a launder; 9. a connecting rod; 10. a vertical rod; 11. a loop bar; 12. a stopper; 13. a limiting ring; 14. a slide rod; 15. a spring; 16. a cushion pad; 17. a fixing ring; 18. a connecting ring; 19. a T-shaped welding block; 20. a connecting plate; 21. a limiting cylinder; 22. a threaded rod; 23. a clamp; 24. a deflector rod.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 5, the present invention provides a technical solution:
a welded water inlet and outlet pipe joint of a fan heater comprises a joint body 1, wherein the joint body 1 comprises an inner pipe 2 and an outer pipe 3, the inner pipe 2 is positioned on the left side of the outer pipe 3, a limiting groove 4 is formed in the left side of the inner pipe 2, half arc plates 5 matched with the limiting groove 4 are clamped at the upper end and the lower end of the inner part of the limiting groove 4, a flow limiting plate 6 is arranged between the two half arc plates 5, the two flow limiting plates 6 are arranged, a flow limiting hole 7 is formed in the flow limiting plate 6, water flowing grooves 8 are formed in the inner part of the inner pipe 2 and at the front end and the rear end between the two flow limiting plates 6, a connecting rod 9 is rotatably connected between the upper end and the lower end of the flow limiting plate 6 and the half arc plates 5, a vertical rod 10 is fixedly connected to the left side and the right side of the bottom of the half arc plate 5 above, a sleeve rod 11 is fixedly connected to the top end of the half arc plate 5 below the vertical rod 10, the vertical rod 10 penetrates through the sleeve rod 11, and a stop block 12 is fixedly connected to one side, far away from the launder 8, of the outer surface of the vertical rod 10.
Through adopting above-mentioned technical scheme, in the installation with inner tube 2 in for the water tank of air heater reserve intraductally, rivers can strike one side current-limiting plate 6 and make and be close to by strikeing current-limiting plate 6 to tye 8 when in actual use, until current-limiting plate 6 is located the inside of tye 8, and the in-process current-limiting plate 6 that current-limiting plate 6 removed drives connecting rod 9 and supports half arc board 5, make half arc board 5 push against the pipe wall expansion of inner tube 2, realized utilizing the impact of rivers to make the inseparable laminating of inner tube 2 and the water tank prefabricated pipe of air heater more, the leakproofness is good, it is more convenient to install.
Specifically, the inner tube 2 is made of high-temperature-resistant rubber, and the half-arc plate 5 is made of stainless steel.
Through adopting above-mentioned technical scheme, set up to high temperature resistant rubber through the material with inner tube 2, utilize the ductility of high temperature resistant rubber itself to come better by the water tank reservation pipe of 5 expansion laminating air heaters of half-arc board, further strengthen the leakproofness.
Specifically, the right side of 2 surfaces of inner tube and the inside fixedly connected with spacing ring 13 that is located outer tube 3, the equal fixedly connected with litter 14 in both ends about spacing ring 13 is left, the left side of litter 14 runs through the left side of outer tube 3 and extends to the left of outer tube 3, the surface of litter 14 just is located and is equipped with spring 15 between the left side of outer tube 3 left side internal surface and spacing ring 13.
By adopting the above technical scheme, through being provided with spacing ring 13 at the surface of inner tube 2, and the left side of spacing ring 13 is provided with litter 14, thereby realize spacing slip between inner tube 2 and the outer tube 3, and be provided with spring 15 at the surface of litter 14, utilize the elasticity of spring 15 itself to cushion the impact to inner tube 2 after external force strikes outer tube 3, and through being provided with the scale at the surface of inner tube 2, can strike inner tube 2 and outer tube 3 and keep away from each other when rivers pass through inner tube 2, can realize judging the rivers state in inner tube 2 through observing the scale.
Specifically, the centre cover of outer tube 3 surface is equipped with blotter 16, the surface of outer tube 3 and the left and right sides that is located blotter 16 all overlap and are equipped with solid fixed ring 17, the surface of blotter 16 just is located two solid fixed ring 17 between the cover and is equipped with go-between 18, the left side fixedly connected with T type welding block 19 of go-between 18, T type welding block 19 is provided with four.
Through adopting above-mentioned technical scheme, through be provided with blotter 16 between outer tube 3 and go-between 18, carry out spacing avoiding blotter 16 to blotter 16 through solid fixed ring 17 and slide, transmit go-between 18 by rivers impact vibrations when avoiding outer tube 3 to lead to water, and then influence the water tank welding department fracture of T type welding block 19 and fan heater, and weld with the fan heater through adopting four T type welding blocks 19, welding process has been accelerated, and the life who connects and fan heater direct weld destruction joint has been avoided.
Specifically, connect body 1 to be provided with two sets ofly, two from top to bottom fixedly connected with connecting plate 20 between the solid fixed ring 17, connecting plate 20 is provided with two, the middle part welding between two connecting plates 20 has spacing section of thick bamboo 21, threaded rod 22 is run through to the inside of spacing section of thick bamboo 21, the equal threaded connection in both ends has anchor clamps 23 around the threaded rod 22 surface.
Through adopting above-mentioned technical scheme, through being provided with connecting plate 20 between two solid fixed rings 17, can utilize connecting plate 20 to share external force and strike, strengthened the shock resistance who connects body 1, and be provided with anchor clamps 23 through the both ends at threaded rod 22, step up the air heater through anchor clamps 23 and come to further fixed to joint body 1, make joint body 1 more stable with coming of air heater.
Specifically, a shift lever 24 is fixedly connected to the front end of the threaded rod 22, a reverse thread is arranged on the outer surface of the threaded rod 22 and in front of the limiting cylinder 21, and a forward thread is arranged on the outer surface of the threaded rod 22 and behind the limiting cylinder 21.
Through adopting above-mentioned technical scheme, through both ends are provided with the screw thread of equidirectional around threaded rod 22, cooperation driving lever 24 can drive two anchor clamps 23 and remove to threaded rod 22 center simultaneously when rotating driving lever 24, easy operation, and easy to assemble need not with the help of appurtenance for the efficiency of work.
The working principle is as follows: when the inner pipe 2 is arranged in the water tank reserved pipe of the air heater during installation, when the air heater is actually used, water flow can impact the flow limiting plate 6 at one side to enable the impacted flow limiting plate 6 to be close to the water flowing groove 8 until the flow limiting plate 6 is positioned in the water flowing groove 8, the flow limiting plate 6 drives the connecting rod 9 to support the half-arc plate 5 in the moving process of the flow limiting plate 6, so that the half-arc plate 5 pushes against the pipe wall of the inner pipe 2 to expand, the inner pipe 2 is enabled to be more tightly attached to the water tank prefabricated pipe of the air heater by utilizing the impact of the water flow, the sealing performance is good, the installation is more convenient, the material of the inner pipe 2 is made of high-temperature resistant rubber, the half-arc plate 5 is enabled to be expanded to be attached to the water tank reserved pipe of the air heater by utilizing the ductility of the high-temperature resistant rubber, the sealing performance is further enhanced, the limiting ring 13 is arranged on the outer surface of the inner pipe 2, and the slide rod 14 is arranged on the left side of the limiting ring 13, therefore, the limited sliding between the inner tube 2 and the outer tube 3 is realized, the spring 15 is arranged on the outer surface of the sliding rod 14, the impact on the inner tube 2 after the external force impacts the outer tube 3 is buffered by the elasticity of the spring 15, the scale is arranged on the outer surface of the inner tube 2, the inner tube 2 and the outer tube 3 are impacted to be away from each other when water flows pass through the inner tube 2, the state of the water flow in the inner tube 2 can be judged by observing the scale, the buffer cushion 16 is arranged between the outer tube 3 and the connecting ring 18, the buffer cushion 16 is limited by the fixing ring 17 to avoid the sliding of the buffer cushion 16, the shock is prevented from being transmitted to the connecting ring 18 by the impact shock of the water flow when the outer tube 3 is filled with water, the fracture of the welding position of the T-shaped welding block 19 and the water tank of the air heater is further influenced, the welding process is accelerated by adopting the four T-shaped welding blocks 19 to be welded with the air heater, and the service life of the joint damaged by the direct welding of the air heater is avoided, through being provided with connecting plate 20 between two solid fixed rings 17, can utilize connecting plate 20 to share external force and strike, the shock resistance who connects body 1 has been strengthened, and both ends through at threaded rod 22 are provided with anchor clamps 23, it comes further fixed to connect body 1 to step up the fan heater through anchor clamps 23, make and connect body 1 and fan heater come in more stable, both ends are provided with the screw thread of equidirectional not through around threaded rod 22, cooperation driving lever 24, can be when rotating driving lever 24, drive two anchor clamps 23 and remove to threaded rod 22 center simultaneously, and the operation is simple, and is convenient for assemble, need not with the help of appurtenance, and the efficiency of work is accelerated.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (4)
1. The welded water inlet and outlet pipe joint of the air heater is characterized by comprising a joint body (1), wherein the joint body (1) comprises an inner pipe (2) and an outer pipe (3), the inner pipe (2) is positioned on the left side of the outer pipe (3), a limiting groove (4) is formed in the left side of the inner pipe (2), semi-arc plates (5) matched with the limiting groove (4) are clamped at the upper end and the lower end of the inner part of the limiting groove (4), two flow limiting plates (6) are arranged between the semi-arc plates (5), the flow limiting plates (6) are provided with two flow limiting holes (7), the flow trough (8) is formed in the inner part of the flow limiting plate (6) and positioned at the front end and the rear end between the two flow limiting plates (6), and a connecting rod (9) is rotatably connected between the upper end and the lower end of the flow limiting plate (6) and the semi-arc plates (5), the left side and the right side of the bottom of the upper semi-arc plate (5) are fixedly connected with vertical rods (10), sleeve rods (11) are fixedly connected to the top end of the lower semi-arc plate (5) and located below the vertical rods (10), the vertical rods (10) penetrate through the sleeve rods (11), and a stop block (12) is fixedly connected to one side, away from the water flowing groove (8), of the outer surface of each vertical rod (10);
wherein, the middle of the outer surface of the outer tube (3) is sleeved with a cushion pad (16), the outer surface of the outer tube (3) and the left and right sides of the cushion pad (16) are sleeved with fixing rings (17), a connecting ring (18) is sleeved on the surface of the cushion pad (16) and positioned between the two fixing rings (17), the left side of the connecting ring (18) is fixedly connected with T-shaped welding blocks (19), the number of the T-shaped welding blocks (19) is four, the joint body (1) is provided with two groups, a connecting plate (20) is fixedly connected between the upper fixing ring (17) and the lower fixing ring (17), two connecting plates (20) are arranged, a limiting cylinder (21) is welded in the middle between the two connecting plates (20), threaded rod (22) is penetrated through the inside of spacing section of thick bamboo (21), equal threaded connection in both ends has anchor clamps (23) around threaded rod (22) surface.
2. The welded inlet/outlet pipe joint of a fan heater as claimed in claim 1, wherein the inner pipe (2) is made of high temperature resistant rubber, and the semi-arc plate (5) is made of stainless steel.
3. The welding type air heater water inlet and outlet pipe joint according to claim 1, wherein the right side of the outer surface of the inner pipe (2) is fixedly connected with a limiting ring (13) inside the outer pipe (3), the upper end and the lower end of the left side of the limiting ring (13) are fixedly connected with a sliding rod (14), the left side of the sliding rod (14) penetrates through the left side of the outer pipe (3) and extends to the left side of the outer pipe (3), and a spring (15) is sleeved on the outer surface of the sliding rod (14) and between the inner surface of the left side of the outer pipe (3) and the left side of the limiting ring (13).
4. The welded air heater water inlet and outlet pipe joint according to claim 1, wherein a shift lever (24) is fixedly connected to the front end of the threaded rod (22), a reverse thread is arranged on the outer surface of the threaded rod (22) in front of the limiting cylinder (21), and a forward thread is arranged on the outer surface of the threaded rod (22) in back of the limiting cylinder (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| GB661271A (en) * | 1947-10-14 | 1951-11-21 | Millar John Humphrey | Improvements in and relating to hose couplings |
| CN104204642A (en) * | 2011-11-21 | 2014-12-10 | 维克托里克公司 | Coupling with projections having angularly oriented surface portions |
| CN205403546U (en) * | 2016-03-02 | 2016-07-27 | 天津爱尔普科技发展有限公司 | Anticorrosive pressure -resisting pipe shell type heat exchanger |
| CN206927640U (en) * | 2017-07-13 | 2018-01-26 | 陈铁 | The mounting structure of sewage-treatment plant |
| CN207864666U (en) * | 2017-10-09 | 2018-09-14 | 瑞安市南星机械有限公司 | A kind of water-saving type flow-limiting valve |
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| CN210266317U (en) * | 2019-07-23 | 2020-04-07 | 河北龙盛管道装备有限公司 | Pipeline expansion joint |
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| CN111912483A (en) * | 2020-08-04 | 2020-11-10 | 李艳武 | Pipeline reinforcing and butt-joint device of civil water meter |
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| CN112648456A (en) | 2021-04-13 |
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