CN117404168B - Muffler exhaust pipe connecting piece - Google Patents
Muffler exhaust pipe connecting piece Download PDFInfo
- Publication number
- CN117404168B CN117404168B CN202311717655.6A CN202311717655A CN117404168B CN 117404168 B CN117404168 B CN 117404168B CN 202311717655 A CN202311717655 A CN 202311717655A CN 117404168 B CN117404168 B CN 117404168B
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- China
- Prior art keywords
- limiting
- ring
- outer cylinder
- exhaust pipe
- movable sleeve
- Prior art date
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- 238000007789 sealing Methods 0.000 claims abstract description 46
- 238000001125 extrusion Methods 0.000 claims description 39
- 230000003584 silencer Effects 0.000 claims description 18
- 230000000903 blocking effect Effects 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 7
- 210000001503 joint Anatomy 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/18—Construction facilitating manufacture, assembly, or disassembly
- F01N13/1805—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/18—Construction facilitating manufacture, assembly, or disassembly
- F01N13/1805—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body
- F01N13/1827—Sealings specially adapted for exhaust systems
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Silencers (AREA)
Abstract
The invention relates to the technical field of exhaust pipe connection, and particularly discloses a muffler exhaust pipe connecting piece, which comprises an outer cylinder body, a movable sleeve, an adjusting rod and a sealing assembly, wherein the outer cylinder body is sleeved outside the muffler pipe body, a gap is reserved between the outer cylinder body and the muffler pipe body, a limiting piece is arranged at the front end of the outer cylinder body and is elastically connected with the outer cylinder body, the elastic sleeve is arranged between the outer cylinder body and the muffler pipe body, the outer wall of the movable sleeve is spirally rotated by being attached to the inner wall of the outer cylinder body, the front end of the movable sleeve is provided with a limiting groove, the rear end of the movable sleeve is connected with a torsion spring, the torsion spring is connected with a limiting ring, the limiting ring is movably sleeved on the outer periphery of the muffler pipe body, the adjusting rod is arranged at the front section of the movable sleeve, one end of the length of the adjusting rod is connected with the limiting groove, and the sealing assembly is used for being tightly attached to the outer wall of the exhaust pipe when the muffler exhaust pipe connecting piece moves to the exhaust pipe.
Description
Technical Field
The invention relates to the technical field of exhaust pipe connection, in particular to an exhaust pipe connector of a silencer.
Background
The function of muffler is to reduce exhaust noise, eliminates flame and spark in the waste gas, and the muffler is installed in the exit of blast pipe, at present at the installation of muffler and blast pipe, uses threaded connection's mode to fix blast pipe and muffler, and the blast pipe is located automobile body bottom and is adopted threaded connection's mode to fix blast pipe and muffler and need use spanner class instrument to operate, and automobile body bottom operating space is less, uses threaded connection to have the inconvenient problem of operation.
The patent application document with the publication number of CN114961925A discloses an environment-friendly automobile noise reduction exhaust pipe, which comprises an exhaust pipe, a noise reduction cover, a flange plate and a connecting pipe, wherein a fixed connection structure is formed between the exhaust pipe and the noise reduction cover through a fixed component, the fixed component comprises a bearing seat and a micro motor which are arranged at the end part of the noise reduction cover, two ends of the bearing seat respectively penetrate through a first screw rod and a second screw rod which are symmetrical and have opposite screw thread directions, the outer parts of the first screw rod and the second screw rod are respectively connected with a first clamping fixed plate and a second clamping fixed plate in a threaded manner, driven gears are sleeved at the adjacent ends of the first screw rod and the second screw rod together, a driving gear is connected with the power driving end of the micro motor, the driving gear is meshed with the driven gears, and the noise reduction exhaust pipe provided by the patent document can drive the first screw rod and the second screw rod to synchronously rotate under the meshing action of the driving gear, so that the first clamping fixed plate and the second clamping fixed plates clamp the exhaust pipe, and the noise reduction cover can be relatively fixed;
above-mentioned patent document passes through micro motor, driving gear, driven gear, first lead screw and the effect of second lead screw drives first centre gripping fixed plate and second centre gripping fixed plate and is close to fixed blast pipe relatively, and the mode through threaded connection relatively traditional is fixed the blast pipe and has been eliminated the influence of operation space to the connection operation, but micro motor belongs to power equipment, uses micro motor to carry out the centre gripping to the blast pipe fixedly, needs external power supply or lays the circuit at the automobile body, has increased the fixed operating load of blast pipe relatively.
Disclosure of Invention
The invention provides an exhaust pipe connecting piece of a muffler, which aims to solve the problem of inconvenient operation when the muffler is connected with an exhaust pipe in the related art.
The invention provides a muffler exhaust pipe connecting piece, comprising:
the outer cylinder body is provided with a gap with the muffler pipe body, one end facing the exhaust pipe is used as the front end, the front end of the outer cylinder body is provided with a limiting piece, the limiting piece is elastically connected with the outer cylinder body, and the rear end of the outer cylinder body is fixed relative to the muffler pipe body;
the movable sleeve is arranged between the outer cylinder body and the silencer pipe body, the outer wall of the movable sleeve is attached to the inner wall of the outer cylinder body to rotate spirally, a limiting groove corresponding to the limiting piece is formed in the front end of the movable sleeve, when the limiting groove is opposite to the limiting piece in position, the limiting piece stretches into the limiting groove, a torsion spring is connected to the rear end of the movable sleeve, a limiting ring is connected to the torsion spring, the limiting ring is movably sleeved on the outer periphery of the silencer pipe body, and the limiting ring slides along the direction parallel to the axial direction of the outer cylinder body;
the adjusting rod is arranged at the front end of the movable sleeve, and one end of the length of the adjusting rod is connected with the limiting groove;
the front end of the movable sleeve is also provided with a sealing component, the sealing component is used for being clung to the outer wall of the exhaust pipe when moving to the exhaust pipe, the sealing component comprises an extrusion ring and a sealing ring, the extrusion ring and the sealing ring are both arranged on the inner side of the movable sleeve, the extrusion ring is positioned at the front end of the sealing ring, one side of the sealing ring, which faces the extrusion ring, is provided with an annular raised line, the sealing ring is extruded and deformed, one side of the extrusion ring, which faces the sealing ring, is provided with an inclined plane, the inclined plane on the extrusion ring is in butt joint with the raised line of the sealing ring, the rear end of the adjusting rod is in butt joint with the front end of the extrusion ring, and the extrusion ring axially slides along the extrusion ring when being extruded.
Preferably, a limiting component is further arranged between the limiting ring and the outer cylinder body, and the limiting component comprises:
the limiting lug is arranged on the outer peripheral side of the limiting ring and is elastically connected with the limiting ring along the radial direction of the limiting ring;
the limiting sleeve, limiting sleeve's barrel part is located the spacing ring with between the urceolus body, limiting sleeve's inner wall is equipped with spacing spout, spacing spout's length direction with limiting sleeve's axial is parallel, spacing lug with spacing spout sliding fit, limiting sleeve's rear end laminating the rear end of urceolus body is fixed.
Preferably, the limiting assembly further comprises a push button, a groove body is arranged at the rear end of the outer cylinder body along the radial direction of the push button, the push button is installed in the groove body through a spring, the push button is further connected with a strip-shaped lower pressing strip, the lower pressing strip is in butt joint with the outer side wall of the limiting lug in the limiting sliding groove, the lower pressing strip is driven to be close to the silencer pipe body and extrude the limiting lug when the push button is pushed down, and the limiting between the limiting lug and the limiting sliding groove is relieved to enable the limiting lug to be separated from the limiting sliding groove.
Preferably, an annular avoidance groove is formed in the wall of the movable sleeve, and the limit sleeve and the lower pressing strip extend into the avoidance groove.
Preferably, the front end of the movable sleeve extends to the inner side of the movable sleeve to form an annular blocking edge, and the front end of the extrusion ring is elastically connected with the blocking edge.
Preferably, the outer side wall of the movable sleeve is provided with a spiral groove, a guide block is fixed on the inner side wall of the outer cylinder, and the spiral groove is in sliding fit with the guide block.
Preferably, the front end of the outer cylinder body is provided with an assembly hole in the thickness direction, the diameter of the outer side of the assembly hole is smaller than that of the inner side of the assembly hole, the inner end of the limiting piece is matched with the large end of the assembly hole to form a baffle, a spring is further arranged in the assembly hole and is abutted with the baffle on the limiting piece, and the limiting piece extrudes the spring in the assembly hole when moving to the outer cylinder body.
Preferably, a pressing part perpendicular to the adjusting rod is fixed on the outer side of one end of the adjusting rod, which is connected with the movable sleeve.
Preferably, the inner side of the movable sleeve is provided with an annular groove, and the rear end of the inner wall of the movable sleeve is attached to the outer wall of the silencer pipe body.
The beneficial effects of the invention are as follows: the muffler body and the exhaust pipe are convenient to install rapidly, in the relative connection operation of the muffler body and the exhaust pipe, the muffler body and the exhaust pipe are only required to be in butt joint after the torsion spring is accumulated, the limiting rod is pulled to enable the movable sleeve to extend out of the end part of the exhaust pipe relative to the outer cylinder body, the adjusting rod is rotated to enable the sealing ring to be attached to the exhaust pipe, and compared with the traditional threaded connection mode, the muffler body and the exhaust pipe are not limited by operation space, and electric equipment is not required to be used, so that the muffler is convenient to operate.
Drawings
FIG. 1 is a schematic view showing a state that a connecting piece is abutted with an exhaust pipe in the invention.
FIG. 2 is a schematic view of the structure of the connection member to the exhaust pipe according to the present invention.
Fig. 3 is a schematic view of the structure of the muffler according to the present invention.
FIG. 4 is a cross-sectional view of the connection of the connector to the muffler pipe and exhaust pipe of the present invention.
Fig. 5 is an enlarged view of a portion a in fig. 4.
FIG. 6 is a schematic view of the connection structure of the movable sleeve, the extrusion ring and the seal ring in the invention.
Reference numerals:
1. a muffler; 11. a muffler pipe body; 12. a connector; 2. an outer cylinder; 21. a movable sleeve; 211. a spiral groove; 212. an avoidance groove; 213. a groove; 214. a limit groove; 22. a limit sleeve; 23. a limiting ring; 231. a limit bump; 24. a torsion spring; 25. a pressing ring; 26. a seal ring; 261. a convex strip; 27. an adjusting rod; 271. a pressing part; 28. pressing a button; 281. a lower pressing bar; 29. a limiting piece; 3. and an exhaust pipe.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
As shown in fig. 1 to 6, the muffler exhaust pipe connecting piece of the present invention is used for being fixed on a muffler pipe body 11 and for being fixed relative to an exhaust pipe 3 after being butted with the exhaust pipe 3, the muffler exhaust pipe connecting piece comprises an outer cylinder body 2, a movable sleeve 21, an adjusting rod 27 and a sealing assembly, the outer cylinder body 2 is cylindrical, one end facing the exhaust pipe 3 is taken as a front end, one end facing away from the exhaust pipe 3 is taken as a rear end, one side of the outer cylinder body 2 facing the outer wall of the muffler pipe body 11 is taken as an inner side, the rear end of the outer cylinder body 2 is fixed relative to the muffler pipe body 11, an annular gap is formed between the outer cylinder body 2 and the muffler pipe body 11, the outer side wall of the movable sleeve 21 is jointed with the inner side wall of the outer cylinder body 2 in a spiral rotation manner, in particular, a spiral groove 211 is arranged on the outer wall of the movable sleeve 21, a guide block in sliding fit with the spiral groove 211 is arranged on the inner wall of the outer cylinder body 2, the inner wall of the movable sleeve 21 can be attached to the outer wall of the silencer pipe body 11, the front end of the movable sleeve 21 is connected with a torsion spring 24, the front end of the torsion spring 24 is connected with a limiting ring 23, the limiting ring 23 is annular, the inner wall of the limiting ring 23 can be attached to the outer wall of the silencer pipe body 11 to axially slide along the outer wall of the silencer pipe body, the movable sleeve 21 can be driven to be attached to the inner wall of the outer cylinder 2 to spirally rotate through manual rotation of the adjusting rod 27, the movable sleeve 21 moves towards the direction close to the rear end of the outer cylinder 2 in the spiral rotation process of the movable sleeve 21, in the process, the movable sleeve 21 drives the torsion spring 24 to rotate and enable the torsion spring 24 to store force, in addition, the front end of the outer cylinder 2 is also provided with a limiting piece 29, the front end of the movable sleeve 21 is provided with a limiting groove 214, and when the limiting groove 214 is opposite to the limiting piece 29, the limiting piece 29 is inserted into the limiting groove 214 in the rear end direction of the outer cylinder 2, and limiting the position of the movable sleeve 21 is limited.
Wherein, the front end of the outer cylinder body 2 is provided with an assembly hole in the thickness direction, the diameter of the outer side of the assembly hole is smaller than the diameter of the inner side of the assembly hole, the inner end of the limiting piece 29 is matched with the large end of the assembly hole to form a baffle plate, a spring is also arranged in the assembly hole and is abutted with the baffle plate on the limiting piece 29, the spring in the assembly hole is extruded when the limiting piece 29 moves towards the outer side of the outer cylinder body 2, and the limiting piece 29 is inserted into the limiting groove 214 under the elastic action of the spring when the position of the limiting groove 214 is opposite to the limiting piece 29.
As shown in fig. 4 and 6, the seal assembly includes extrusion ring 25 and sealing washer 26, extrusion ring 25 and sealing washer 26 all locate the inboard front end of movable sleeve 21, extrusion ring 25 is located the front end of sealing washer 26, one side of sealing washer 26 towards extrusion ring 25 is equipped with annular sand grip 261, one side of sealing washer 26 is equipped with the inclined plane towards sealing washer 25, the inclined plane on the extrusion ring 25 radially is followed its rear end and is inclined to its front end along its radial, extrusion ring 25 assembles with sand grip 261 butt along the axial of urceolus body 2 relatively, specifically, the front end of movable sleeve 21 extends to its inboard and has annular fender edge, extrusion ring 25 passes through the elastic component with the relative terminal surface of fender edge and is connected, the elastic component can directly select for use the spring, the elasticity direction of spring is parallel with the axial of extrusion ring 25, sealing washer 26 adopts deformable material to make, the material of sealing washer 26 preferably uses rubber, the rear end of sealing washer 26 and the barrel part butt of movable sleeve 21, extrusion ring 25 receives when being close to its direction of sealing washer 26, extrusion 261 and then make sealing washer 26 warp and laminate with the outer wall of body along the axial of the opposite outer cylinder 2, the opposite extrusion effect of extrusion ring 26 is kept away from along the elastic component to the extrusion ring 26 when the opposite extrusion effect of the outer wall of sealing washer 26 is kept away from along the opposite extrusion ring 25, the effect of the spring is kept away from along the opposite extrusion ring 26, the opposite effect is kept away from to the opposite extrusion ring 25.
One end of the adjusting rod 27 is installed in the limiting groove 214, the end of the adjusting rod 27, which is installed in the limiting groove 214, is abutted against the front end of the extrusion ring 25, the end surface of the adjusting rod 27, which is abutted against the extrusion ring 25, is a vertical end surface, the adjusting rod 27 can rotate around the position where the adjusting rod 27 is connected with the adjusting groove, when the adjusting rod 27 rotates, the extrusion ring 25 is pushed to be close to the sealing ring 26 and extrude the sealing ring 26, and the outer side, which is connected with one end of the movable sleeve 21, of the adjusting rod 27 is fixed with an abutting part 271 which is perpendicular to the length direction of the adjusting rod 27.
When the muffler 1 is installed relative to the exhaust pipe 3, firstly, the adjusting rod 27 is rotated to enable the muffler to rotate around the axial direction of the movable sleeve 21, the inner wall of the movable sleeve 21 attached to the outer cylinder 2 is pushed to move towards the direction close to the rear end of the outer cylinder 2, the limiting groove 214 on the movable sleeve 21 corresponds to the limiting piece 29 on the outer cylinder 2, the limiting piece 29 stretches into the limiting groove 214 under the action of the elasticity of the spring to prevent the movable sleeve 21 from sliding out relative to the outer cylinder 2 under the action of the elasticity of the torsion spring 24, the pressing part 271 at the end part of the adjusting rod 27 is propped when the limiting piece 29 stretches into the limiting groove 214, the adjusting rod 27 is driven to rotate around the position connected with the adjusting groove, the free end part of the adjusting rod 27 is tilted upwards when the adjusting rod 27 rotates, the adjusting rod 27 is attached to the extruding ring 25 to push the extruding ring 25 to extrude the sealing ring 26, the sealing ring 26 to enable the sealing ring 26 to be fully attached to the outer wall of the pipe body, the stability of the position of the movable sleeve 21 relative to the outer cylinder 2 is further improved, the position of the movable sleeve 21 is prevented from stretching out under the action of the torsion spring 24, and the position of the movable sleeve 21 is adjusted, and the force of the torsion spring 24 is kept from being influenced by the operation space before the operation of the muffler 1 is completed.
The silencer 1 is further provided with a connector 12, the connector 12 is used for being connected with an automobile body, the connector 12 and the automobile body can be connected in a clamping or buckling mode, when the silencer 1 is formally installed, the connector 12 is connected with the automobile body, the silencer pipe body 11 is in butt joint with an outlet of the exhaust pipe 3, then a limiting piece 29 is pulled to be separated from a limiting groove 214, a movable sleeve 21 is rotated and stretched out relative to the outer cylinder body 2 under the action of a torsion spring 24 and moves to the outer circumferential side of the exhaust pipe 3, then the free end of an adjusting rod 27 is pulled outwards, the connecting end of the adjusting rod 27 pushes a pressing ring 25 to press a sealing ring 26, the sealing ring 26 is fully attached to the outer wall of the exhaust pipe 3, the connection strength and sealing effect of the silencer pipe body 11 and the exhaust pipe 3 are improved, high-temperature gas is discharged through the exhaust pipe 3 when the automobile runs, the temperature of the exhaust pipe 3 is high, the effect on a sealing assembly is avoided in the use process, and a heat insulating layer can be arranged on the circumferential side of the exhaust pipe 3.
In order to reduce the friction force between the movable sleeve 21 and the muffler pipe body 11 and between the movable sleeve 21 and the outer wall of the exhaust pipe 3 when the movable sleeve 21 extends relative to the outer cylinder body 2, the inner side wall of the movable sleeve 21 is provided with an annular groove 213, namely, the inner wall of the movable sleeve 21 is only attached to the outer wall of the muffler pipe body 11 at the rear end, so that the contact area between the movable sleeve 21 and the muffler pipe body 11 is reduced, and the movable sleeve 21 can smoothly extend under the action of the torsion spring 24.
In order to facilitate the disassembly operation of the muffler 1 and the exhaust pipe 3, a limiting component is further arranged between the limiting ring 23 and the outer cylinder 2, wherein the limiting component comprises a limiting projection 231, a limiting sleeve 22 and a push button 28, the limiting projection 231 is arranged on the peripheral side of the limiting ring 23, the limiting projection 231 is elastically connected with the limiting ring 23, a groove body is specifically arranged on the limiting ring 23, the limiting projection 231 is slidably arranged in the groove body along the radial direction of the limiting ring 23, a spring is arranged in the groove body, when the limiting projection 231 is not extruded, the limiting projection 231 extends out of the limiting ring 23, when the limiting projection 231 is extruded, the spring in the groove body is retracted to store the force, the cylinder body part of the limiting sleeve 22 is arranged between the limiting ring 23 and the outer cylinder 2, the cylinder part of the movable sleeve 21 corresponding to the limit sleeve 22 is provided with an annular avoidance groove 212, the cylinder part of the limit sleeve 22 extends into the avoidance groove 212, the inner wall of the limit sleeve 22 is provided with a limit chute, the length direction of the limit chute is parallel to the axial direction of the limit sleeve 22, a limit lug 231 is in sliding fit with the limit chute, the rear end of the limit sleeve 22 is attached to the rear end of the outer cylinder 2, the rear end of the outer cylinder 2 is radially provided with a groove body, a push button 28 is movably arranged in the groove body, a spring is arranged in the groove body, the push button 28 presses the spring in the groove body when being pressed into the groove body, the push button 28 is also connected with a strip-shaped lower pressing strip 281, the lower pressing strip 281 extends into the chute and is abutted with the outer side surface of the limit lug 231, the lower pressing strip 281 is attached to the chute under the action of the spring, the lower pressing strip 281 also extends into the avoidance groove 212 when the push button 28 is pressed, pressing the button 28 to squeeze the spring to store the force and drive the lower pressing bar 281 to squeeze the limit bump 231, so that the limit bump 231 is retracted into the groove body of the limit ring 23, the limit runner on the inner side of the limit sleeve 22 can not limit the rotation of the limit ring 23, when the rotation adjusting rod 27 drives the movable sleeve 21 to rotate relative to the outer cylinder 2, the limit ring 23 can be attached to the outer wall of the muffler pipe 11 to rotate, the torsion spring 24 can not store the force, when the movable sleeve 21 is rotated to move towards the inner side of the outer cylinder 2, the torsion spring 24 can store the force, further the force for moving the movable sleeve 21 towards the inner side of the outer cylinder 2 is increased, and in the process of disassembling the muffler 1, the limit of the limit ring 23 around the axial rotation of the limit ring 23 can be released by pressing the lower pressing button 28, so that the torsion spring 24 can not store the force when the movable sleeve 21 moves towards the outer cylinder 2, and the muffler 1 can be disassembled relative to the exhaust pipe 3.
The muffler exhaust pipe connecting piece provided by the invention can realize the rapid installation of the muffler pipe body and the exhaust pipe, and is convenient to disassemble the muffler, and the connecting piece provided by the invention is less influenced by an operation space in the disassembly and assembly process, so that the installation difficulty of the muffler is reduced.
In the description of the present invention, it should 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", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.
Claims (8)
1. A muffler exhaust pipe connection, comprising:
the silencer comprises an outer cylinder body (2), wherein a gap is reserved between the outer cylinder body (2) and a silencer pipe body (11) and one end facing an exhaust pipe (3) is used as the front end, a limiting piece (29) is arranged at the front end of the outer cylinder body (2), the limiting piece (29) is elastically connected with the outer cylinder body (2), and the rear end of the outer cylinder body (2) is fixed relative to the silencer pipe body (11);
the silencer comprises an outer cylinder body (2) and a silencer tube body (11), wherein the outer wall of the outer cylinder body (2) is attached to the inner wall of the outer cylinder body (2) and rotates spirally, a limiting groove (214) corresponding to a limiting piece (29) is formed in the front end of the movable sleeve (21), the limiting piece (29) stretches into the limiting groove (214) when the limiting groove (214) is opposite to the limiting piece (29), a torsion spring (24) is connected to the rear end of the movable sleeve (21), a limiting ring (23) is connected to the torsion spring (24), the limiting ring (23) is movably sleeved on the outer periphery of the silencer tube body (11), and the limiting ring (23) slides along the direction parallel to the axial direction of the outer cylinder body (2);
the adjusting rod (27) is arranged at the front end of the movable sleeve (21), and one end of the length of the adjusting rod (27) is connected with the limiting groove (214);
the front end of the movable sleeve (21) is further provided with a sealing assembly, the sealing assembly is used for being clung to the outer wall of the exhaust pipe (3) when the sealing assembly moves to the exhaust pipe (3), the sealing assembly comprises an extrusion ring (25) and a sealing ring (26), the extrusion ring (25) and the sealing ring (26) are both arranged on the inner side of the movable sleeve (21), the extrusion ring (25) is positioned at the front end of the sealing ring (26), one side of the sealing ring (26) facing the extrusion ring (25) is provided with an annular raised line (261), the sealing ring (26) is extruded and deformed, one side of the extrusion ring (25) facing the sealing ring (26) is provided with an inclined plane, the inclined plane on the extrusion ring (25) is abutted with the raised line (261) of the sealing ring (26), the rear end of the adjustment rod (27) is abutted with the front end of the extrusion ring (25), and the extrusion ring (25) slides along the axial direction when being extruded;
still be equipped with spacing subassembly between spacing ring (23) with urceolus body (2), spacing subassembly includes:
the limiting lug (231) is arranged on the outer circumferential side of the limiting ring (23), and the limiting lug (231) is elastically connected with the limiting ring (23) along the radial direction of the limiting ring (23);
the limiting sleeve (22), barrel part of limiting sleeve (22) is located spacing ring (23) with between urceolus body (2), the inner wall of limiting sleeve (22) is equipped with spacing spout, the length direction of spacing spout with the axial of limiting sleeve (22) is parallel, spacing lug (231) with spacing spout sliding fit, the laminating of the rear end of limiting sleeve (22) the rear end of urceolus body (2) is fixed.
2. The muffler exhaust pipe connecting piece according to claim 1, wherein the limiting assembly further comprises a push button (28), a groove body is radially arranged at the rear end of the outer cylinder body (2), the push button (28) is installed in the groove body through a spring, the push button (28) is further connected with a strip-shaped lower pressing strip (281), the lower pressing strip (281) is abutted with the outer side wall of the limiting lug (231) in the limiting sliding groove, so that the lower pressing strip (281) is driven to be close to the muffler pipe body (11) and press the limiting lug (231) when the push button (28) is pushed down, and the limiting between the limiting lug (231) and the limiting sliding groove is released to enable the limiting lug (231) to be separated from the limiting sliding groove.
3. The muffler exhaust pipe connecting piece according to claim 2, wherein an annular avoidance groove (212) is formed in the wall of the movable sleeve (21), and the limit sleeve (22) and the lower pressing strip (281) extend into the avoidance groove (212).
4. The muffler and exhaust pipe connection according to claim 1, characterized in that the front end of the movable sleeve (21) extends inward with an annular blocking edge, between which the front end of the pressing ring (25) is elastically connected.
5. The muffler exhaust pipe connecting piece according to claim 1, wherein the outer side wall of the movable sleeve (21) is provided with a spiral groove (211), a guide block is fixed on the inner side wall of the outer cylinder body (2), and the spiral groove (211) is in sliding fit with the guide block.
6. The muffler exhaust pipe connecting piece according to claim 1, wherein the front end of the outer cylinder body (2) is provided with an assembly hole in the thickness direction thereof, the diameter of the outer side of the assembly hole is smaller than that of the inner side of the assembly hole, the inner end of the limiting piece (29) is matched with the large end of the assembly hole to form a baffle plate, a spring is further arranged in the assembly hole and is abutted with the baffle plate on the limiting piece (29), and the limiting piece (29) presses the spring in the assembly hole when moving to the outer side of the outer cylinder body (2).
7. The muffler exhaust pipe connector according to claim 1, wherein an abutment portion (271) perpendicular to the adjustment lever (27) is fixed to an outer side of one end of the adjustment lever (27) to which the movable sleeve (21) is attached.
8. The muffler exhaust pipe connecting piece according to claim 1, wherein an annular groove (213) is provided on the inner side of the movable sleeve (21), and the rear end of the inner wall of the movable sleeve (21) is attached to the outer wall of the muffler pipe body (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311717655.6A CN117404168B (en) | 2023-12-14 | 2023-12-14 | Muffler exhaust pipe connecting piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311717655.6A CN117404168B (en) | 2023-12-14 | 2023-12-14 | Muffler exhaust pipe connecting piece |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117404168A CN117404168A (en) | 2024-01-16 |
| CN117404168B true CN117404168B (en) | 2024-02-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202311717655.6A Active CN117404168B (en) | 2023-12-14 | 2023-12-14 | Muffler exhaust pipe connecting piece |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202005011448U1 (en) * | 2005-07-18 | 2006-11-23 | Kess, Roland | Silencer outlet part for a motorcycle silencer |
| DE102016106153A1 (en) * | 2016-04-05 | 2017-10-05 | Elringklinger Ag | Shielding part, in particular heat shield, with a fastening device for fastening the shielding part to a fastening partner part |
| CN209163905U (en) * | 2018-11-08 | 2019-07-26 | 浙江吉铭实业有限公司 | Middle small displacement pedal motorcycle starts muffler |
| CN209212384U (en) * | 2018-11-08 | 2019-08-06 | 浙江吉铭实业有限公司 | Twin-tub high-power engine group |
| CN110671169A (en) * | 2019-09-22 | 2020-01-10 | 柳州市宏华机械有限公司 | Combined type silencing structure for automobile exhaust pipe and operation method of silencing structure |
| CN115450739A (en) * | 2022-09-01 | 2022-12-09 | 江苏润杨汽车零部件制造有限公司 | Exhaust pipe assembly |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10465671B2 (en) * | 2017-02-23 | 2019-11-05 | Haier Us Appliance Solutions, Inc. | Compressor with a discharge muffler |
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2023
- 2023-12-14 CN CN202311717655.6A patent/CN117404168B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202005011448U1 (en) * | 2005-07-18 | 2006-11-23 | Kess, Roland | Silencer outlet part for a motorcycle silencer |
| DE102016106153A1 (en) * | 2016-04-05 | 2017-10-05 | Elringklinger Ag | Shielding part, in particular heat shield, with a fastening device for fastening the shielding part to a fastening partner part |
| CN209163905U (en) * | 2018-11-08 | 2019-07-26 | 浙江吉铭实业有限公司 | Middle small displacement pedal motorcycle starts muffler |
| CN209212384U (en) * | 2018-11-08 | 2019-08-06 | 浙江吉铭实业有限公司 | Twin-tub high-power engine group |
| CN110671169A (en) * | 2019-09-22 | 2020-01-10 | 柳州市宏华机械有限公司 | Combined type silencing structure for automobile exhaust pipe and operation method of silencing structure |
| CN115450739A (en) * | 2022-09-01 | 2022-12-09 | 江苏润杨汽车零部件制造有限公司 | Exhaust pipe assembly |
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| CN117404168A (en) | 2024-01-16 |
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