A kind of gas-tpe fittingTechnical field
The present invention relates to technical field of engines, in particular to a kind of gas-tpe fitting.
Background technique
In the compressed air line of engine, the case where being frequently encountered connection and different tube diameters tracheae be connected.ExistingHave in technology, realize the mode of different tube diameters tracheae connection in compressed air line, it is common that is connect using the conversion of dedicated variable diameterHead.Such mode of communicating using dedicated variable diameter crossover sub, not only will increase purchase cost, but also need to dedicated variable diameterCrossover sub additionally increases protection, increases maintenance cost, while once dedicated variable diameter crossover sub is damaged, and is just easy toThe pressure loss for causing compressed air line leads to the waste of compressed air gas source.
Summary of the invention
In view of this, the production cost of engine can be enabled to be minimized, together the present invention provides a kind of gas-tpe fittingWhen also can be avoided the waste of compressed air gas source.
In order to achieve the above object, the invention provides the following technical scheme:
A kind of gas-tpe fitting, for being connected to the first tracheae and the second tracheae, comprising:
Connecting tube has a first end and a second end；
It is arranged in the connecting tube, and close to the first elastic component of first end setting, first elastic component is usedIn first tracheae that clamping is extend into the first end；
It is arranged in the connecting tube, and close to the second elastic component of second end setting, second elastic component is usedIn second tracheae that clamping is extend into the second end；
One end is extend out on the outside of the first end, and the other end is located at the first briquetting in the connecting tube, first pressureBlock can stretch relative to the connecting tube, and can squeeze the first elastic component deformation by flexible, so that describedFirst elastic component is separated with first tracheae for passing through first briquetting；
Sliding be arranged in the connecting tube and the second briquetting with intercommunicating pore, second briquetting are located at described theBetween one elastic component and second elastic component, and can be in the promotion lower slider of first briquetting, to squeeze described secondElastic component deformation, separates second elastic component with second tracheae；Between second briquetting and the connecting tubeFrictional force, greater than the elastic force of first elastic component.
Preferably, in above-mentioned gas-tpe fitting, first elastic component is butterfly spring, and the outer rim of the butterfly springIt is fixedly connected, is provided on the inner edge of the butterfly spring for the first tracheae described in clamping with the internal perisporium of the connecting tubeMultiple latches.
Preferably, in above-mentioned gas-tpe fitting, second elastic component is butterfly spring, and the outer rim of the butterfly springIt is fixedly connected, is provided on the inner edge of the butterfly spring for the second tracheae described in clamping with the internal perisporium of the connecting tubeMultiple latches.
Preferably, in above-mentioned gas-tpe fitting, it is pipe inner end, institute that first briquetting, which is located at the end in the connecting tube,Stating between the periphery wall of pipe inner end and the internal perisporium of the connecting tube has first to accommodate gap.
Preferably, in above-mentioned gas-tpe fitting, second briquetting squeezes the end of the second elastic component deformation to squeezeEnd has second to accommodate gap between the periphery wall for squeezing end and the internal perisporium of the connecting tube.
Preferably, in above-mentioned gas-tpe fitting, the diameter of first tracheae is greater than the diameter of second tracheae, and described theThe radial width of two elastic components is greater than the radial width of first elastic component.
Preferably, in above-mentioned gas-tpe fitting, the first groove, the connecting tube are offered on the periphery wall of first briquettingThe first end be provided with the first baffle ring extending into first groove, first baffle ring can stop describedOne briquetting is deviate from from the connecting tube.
Preferably, in above-mentioned gas-tpe fitting, the second groove, the connecting tube are offered on the periphery wall of second briquettingInternal perisporium protrude above be provided with the second baffle ring, second baffle ring is extend into second groove, to stop describedTwo briquettings excessive slip in the connecting tube.
Preferably, in above-mentioned gas-tpe fitting, the second end of the connecting tube is serrated end, and the serrated end is outerScrew thread is provided on peripheral wall.
Gas-tpe fitting provided by the invention is provided with the first elastic component, the second elastic component and the second briquetting in connecting tube,Second briquetting is located between two elastic components, the first briquetting is provided in the first end of connecting tube, the first tracheae can pass throughFirst briquetting is extend into connecting tube, and is clamped by the first elastic component, and the second tracheae can be extend into from the second end of connecting tubeIt in connecting tube, and is clamped by the second elastic component, the first tracheae and the second tracheae being clamped are by being provided on the second briquettingIntercommunicating pore realizes connection；One end of first briquetting is extend out to except connecting tube, and the other end is located in connecting tube, relative to connectionPipe is able to carry out flexible；When needing connect gas-tpe fitting with the first tracheae, the first briquetting can be pressed and stretch out connecting tubeOne end, so that the first briquetting is located at one end in connecting tube to connection in-pipe to squeeze the first elastic component, due to the first bulletProperty part is abutted with the second briquetting, so elasticity occurs under the extruding of the first briquetting and the abutting of the second briquetting for the first elastic componentIt deforms, the first elastic component after flexible deformation merges out space, enables the first tracheae can be after passing through the first briquetting in connecting tubeIt inside protrudes into place, removes the pressing force to the first briquetting later, the first briquetting is reversely stretched under the elastic force effect of the first elastic componentOut, while restorable first elastic component is by the first tracheae clamping, to realize the close of the first tracheae and connecting tube first endEnvelope is fixedly connected；When needing connect gas-tpe fitting with the second tracheae, the first briquetting is pressed again, while guaranteeing the first elasticityThe position that first tracheae during flexible deformation occurs for part is constant (this operation is not necessarily to if first connecting the second tracheae), theAfter one elastic component flexible deformation contacts the first briquetting with the second briquetting, continue to apply pressing force to the first briquetting, to makeObtaining the second briquetting can be mobile in company with the first briquetting under the promotion of the first briquetting, when the second briquetting is moved to the second elastic componentWhen position is set, with mobile continuation, the generation flexible deformation that the second elastic component is extruded, to open sky for the second tracheae evacuationBetween, to enable the second tracheae across second end that can protrude into connecting tube in place, pressing force, the second elastic component are removed laterIt restores to the original state and the second tracheae of clamping, restores under the elastic force effect of the second elastic component to original position with the second briquetting of season, firstBriquetting restores under the elastic force effect of the first elastic component to original position, to complete gas-tpe fitting and the first tracheae and the second tracheaeConnection.It, can be real by above-mentioned gas-tpe fitting when above-mentioned the first tracheae and the second tracheae are the tracheae of different tube diametersThe connection of existing different tube diameters tracheae, avoids the use of dedicated variable diameter crossover sub, thus reduce purchase cost and maintenance atThis, while also avoiding the waste of compressed air gas source.
In addition, the gas-tpe fitting of above structure, structure are simple and convenient to operate, while realizing tracheae fast assembling-disassembling, alsoIt is time saving and energy saving to make to operate.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show belowThere is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only thisThe embodiment of invention for those of ordinary skill in the art without creative efforts, can also basisThe attached drawing of offer obtains other attached drawings.
Fig. 1 is the cross-sectional view of gas-tpe fitting provided in an embodiment of the present invention.
In Fig. 1,
1- connecting tube, the first elastic component of 2-, the second elastic component of 3-, the first briquetting of 4-, the second briquetting of 5-, between 6- first is accommodatedGap, 7- second accommodate gap, the first groove of 8-, the first baffle ring of 9-, the second groove of 10-, the second baffle ring of 11-, 12- screw thread.
Specific embodiment
The present invention provides a kind of gas-tpe fitting, the production cost of engine can be enabled to be minimized, while also canAvoid the waste of compressed air gas source.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, completeSite preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based onEmbodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every otherEmbodiment shall fall within the protection scope of the present invention.
As shown in Figure 1, gas-tpe fitting provided in an embodiment of the present invention, is mainly used in the compressed air line of engineIn, which mainly includes connecting tube 1, the first elastic component 2, the second elastic component 3, the first briquetting 4 and the second briquetting 5 (One briquetting 4 and the second briquetting 5 are both preferably the cylindrical structure with through-hole), wherein the connecting tube 1 of metal material has permissionThe first end of first tracheae insertion, and the second end for allowing the second tracheae to be inserted into, the first elastic component 2 and the second elastic component 3 areIt is arranged in connecting tube 1, and the first elastic component 2 is arranged close to first end, to be inserted into the first tracheae of first end for clamping,To realize the sealed connection of the first tracheae and connecting tube 1, the second elastic component 3 is arranged close to second end, to be inserted into for clampingSecond tracheae of second end, to realize the sealed connection of the second tracheae and connecting tube 1, and the first briquetting 4 is arranged in first end,It can be passed through, and one end in the both ends of the first briquetting 4, stretch to except connecting tube 1, the other end is then located at company by the first tracheaeIn adapter tube 1, while the first briquetting 4 can stretch relative to connecting tube 1, when operator presses first into connecting tube 1When briquetting 4 is located at one end outside connecting tube 1, the first briquetting 4 is located in connecting tube 1 to 1 contract of connecting tube, the first briquetting 4One end can squeeze the first elastic component 2 abutted by the second briquetting 5, so that the cooperation in the first briquetting 4 and the second briquetting 5 is orderedFlexible deformation occurs for the second elastic component 3, and deformed first elastic component 2 can then merge out space, so that the first tracheaeUnobstructed is inserted in place in connecting tube 1, removes the pressing force to the first briquetting 4 later, and the first elastic component 2 restores formerShape, in the process, the first elastic component 2 is by the first tracheae clamping, thus realize the sealed connection of the first tracheae and connecting tube 1,First briquetting 4 stretches out under the elastic reaction of the first elastic component 2 to outside connecting tube 1, until restoring to initial position；Second briquettingAlthough the setting of 5 slidings, in connecting tube 1, the frictional force between the second briquetting 5 and connecting tube 1 needs to be greater than the first elasticityThe elastic force of part 2, to guarantee that the first elastic component 2 can be squeezed and deformed under the positioning of the abutting of the second briquetting 5 by the first briquetting 4, when, then can be same as described above when needing to connect the second tracheae, the first briquetting 4 is pressed into connecting tube 1 again, when the first pressureBlock 4 squeezes after the first elastic component 2 completes flexible deformation, and the first briquetting 4 and the second briquetting 5 realize rigid connection, continues at this time pairFirst briquetting 4 applies enough pressing forces, so that it may and enable the first briquetting 4 that the second briquetting 5 is pushed to slide in connecting tube 1, withThe progress of sliding, the second briquetting 5 can squeeze the second elastic component 3 and flexible deformation occur, so that the second elastic component 3 such as the first elastic component2 is general, merges out space to the second tracheae, stops so that the second elastic component 3 will not again be formed the second tracheae and can make theTwo tracheaes are inserted in place in connecting tube 1, remove pressing force later, so that the second elastic component 3 restores to the original state, the second elastic component 3Can the second tracheae of clamping, thus realize the second tracheae and connecting tube 1 sealed connection, due to the central part of the second briquetting 5Position offers intercommunicating pore, so the sealed connection of the first tracheae and the second tracheae may be implemented by the connection of intercommunicating pore.?During two elastic components 3 restore to the original state, the second briquetting 5 under the action of the second 3 elastic force of elastic component, restore to first by reverse slideBeginning position, the first briquetting 4 reversely stretches out under the driving of the elastic force of the second elastic component 3 and the first elastic component 2, until restoring to initialPosition.When needing separates connecting tube 1 with the first tracheae and/or the second tracheae, aforesaid operations are repeated, when the first elastic component 2Or second elastic component 3 when flexible deformation occurs, the first elastic component 2 no longer the first tracheae of clamping, the second elastic component 3 no longer clamping theTwo tracheaes, the first tracheae and/or the second tracheae can be exited out of connecting tube 1.
In the present embodiment, in order to advanced optimize technical solution, as shown in Figure 1, it is preferred that the first elastic component 2 is butterfly bulletSpring, and the outer rim of butterfly spring is fixedly connected with the internal perisporium of connecting tube 1, is provided on the inner edge of butterfly spring for clampingMultiple latches of first tracheae；Second elastic component 3 is butterfly spring, and the internal perisporium of the outer rim of butterfly spring and connecting tube 1It is fixedly connected, multiple latches for the second tracheae of clamping is provided on the inner edge of butterfly spring.Why preferred elastic component isButterfly spring, be because butterfly spring be more suitable for tube-like piece (connecting tube 1, the first tracheae and the second tracheae) cooperate, and itsWith biggish elastic force, enable to preferably seal company with connecting tube 1 across the first tracheae of butterfly spring or the second tracheaeIt connects, enables the working performance of gas-tpe fitting more prominent.
As shown in Figure 1, it is pipe inner end, the periphery of pipe inner end that further preferably the first briquetting 4, which is located at the end in connecting tube 1,Have first to accommodate gap 6 between wall and the internal perisporium of connecting tube 1；The end that second briquetting 5 squeezes the deformation of the second elastic component 3 isEnd is squeezed, squeezing between the periphery wall of end and the internal perisporium of connecting tube 1 has second to accommodate gap 7.In order to preferably protectDemonstrate,prove the rigid connection of the first briquetting 4 and the second briquetting 5 so that the second briquetting 5 can under the promotion of the first briquetting 4 smooth cunningIt is dynamic, it is preferably additionally arranged relatively large first and accommodates gap 6 and the second receiving gap 7, so that the first elasticity of deformed partPart 2 and the second elastic component of part 3 can have respectively entered the first receiving gap 6 and second and accommodate in gap 7, to enable attended operationIt is more convenient, it is time saving and energy saving.
In the present embodiment, preferably the diameter of the first tracheae is greater than the diameter of the second tracheae, and corresponding, second is elasticThe radial width of part 3 is greater than the radial width of the first elastic component 2, so that biggish first elastic component 2 of internal diameter being capable of clampingThe first thicker tracheae, lesser second elastic component 3 of internal diameter can thinner second tracheae of clamping, to provide through this embodimentGas-tpe fitting realize different tube diameters tracheae connection.In addition, the first tracheae and the second tracheae may be the identical gas of caliberPipe, the size of corresponding first elastic component 2 is identical as the size of the second elastic component 3, i.e., tracheae provided in this embodiment connectsHead can also play the role of connection with the ordinary couplings of caliber tracheae.
Further, as shown in Figure 1, offering the first groove 8, the first end of connecting tube 1 on the periphery wall of the first briquetting 4Portion is provided with the first baffle ring 9 extending into the first groove 8, which can stop the first briquetting 4 from connecting tube 1It is completely out；Likewise, offering the second groove 10 on the periphery wall of the second briquetting 5, what the internal perisporium of connecting tube 1 protruded above is setIt is equipped with the second baffle ring 11, which extend into the second groove 10, to stop the second briquetting 5 excessive in connecting tube 1Sliding.Wherein, when being stretched, the first baffle ring 9 slides in the first groove 8 the first briquetting 4 always, so that the two be made to cooperateForm the position limiting structure of the first briquetting 4 and connecting tube 1；For second briquetting 5 in sliding, the second baffle ring 11 is always in the second groove 10Interior sliding, to both make the position limiting structure for cooperatively forming the second briquetting 5 and connecting tube 1.The setting of this structure can guaranteeOne briquetting 4 cooperates with connecting tube 1, the second briquetting 5 and stablizing for connecting tube 1, avoids because leading to Joint failure relative to excessive movementOr the damage of gas-tpe fitting, enable what gas-tpe fitting can be safer work.
As shown in Figure 1, the second end of further preferably connecting tube 1 is serrated end, and screw thread is provided on the periphery wall of serrated end12.The internal perisporium of this serrated end can be used for abutting the second elastic component 3, as shown in Figure 1, the screw thread being arranged on periphery wall simultaneously12, it can be used in connecting the other component, such as the gas source of compressed air etc. in compressed air line.
Each part is described in a progressive manner in this specification, what the structure of each part stressed isWith the difference of existing structure, the entirety and part-structure of gas-tpe fitting can be obtained by combining the structure of above-mentioned multiple portionsIt arrives.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined hereinGeneral Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the inventionIt is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase oneThe widest scope of cause.