Wheel silencing ring joint assembly structure

Abstract

The utility model relates to the technical field of wheel noise reduction rings, in particular to a wheel noise reduction ring joint assembly structure which comprises a noise reduction ring, a steel sleeve installed on the noise reduction ring and a connecting block installed at the rear end of the steel sleeve, the rear end of the connecting block is connected with a connecting rod, the outer end of the connecting rod is provided with a ring groove, and the front end of the connecting rod is connected with a clamping ball. A pre-tightening ring is arranged at the rear end of the steel sleeve and is in a C shape, an assembling block is connected into the pre-tightening ring and is in a C shape, a movable groove is formed in the assembling block, an assembling groove is formed in the movable groove, a spherical cavity is connected to the rear side of the interior of the assembling groove, the spherical cavity is matched with a clamping ball, and the clamping ball is in interference fit with the spherical cavity. Automatic locking is achieved through matching of the clamping ball and the spherical cavity, assembling can be achieved without knocking, the noise reduction ring is prevented from being damaged, the spring drives the clamping block to reset and be attached to the annular groove, stable connection is ensured, and compared with a traditional mode, the assembling efficiency and safety are improved, operation is more convenient and faster, and the structure is more stable.

Description

TECHNICAL FIELD

[0001] The utility model relates to a wheel sound elimination ring technical field especially, relates to a kind of wheel sound elimination ring joint assembly structure. BACKGROUND

[0002] Wheel sound elimination ring is a ring structure, is installed in the cavity position between wheel rim and tire, mainly used to reduce the cavity resonance noise generated in the tire cavity during vehicle driving, to improve the mute effect of whole vehicle, the device is usually made of polyurethane foam etc sound-absorbing material, with good sound absorption and damping performance, can effectively absorb the vibration and noise generated when tread and ground contact, reduce the propagation of noise to the car, to ensure that sound elimination ring is stably installed in the cavity between tire and wheel rim, pre-tightening structure is set, and it is firmly clamped.

[0003] The existing wheel sound elimination ring joint assembly structure usually relies on external tool to knock, makes joint and assembly head realize interference fit installation, and this mode is cumbersome in operation process, and there are problems such as low assembly efficiency, easy to damage parts and poor installation consistency.

[0004] Therefore, aiming at the above-mentioned existing wheel sound elimination ring joint assembly structure, usually need to knock with external force to realize interference fit, not only operation is cumbersome, assembly efficiency is low, but also easy to cause damage to parts, and the problem of poor installation consistency, a new type of wheel sound elimination ring joint assembly structure is urgently needed. UTILITY MODEL CONTENTS

[0005] In order to overcome the problem that the existing wheel sound elimination ring joint assembly structure usually needs to knock with external force to realize interference fit, not only operation is cumbersome, assembly efficiency is low, but also easy to cause damage to parts, and the problem of poor installation consistency.

[0006] The technical scheme of the utility model is as follows: a wheel sound elimination ring joint assembly structure, comprising a sound elimination ring, a steel sleeve mounted on the sound elimination ring and a connecting block mounted at the rear end of the steel sleeve, a connecting rod connected to the rear end of the connecting block, a ring groove formed at the outer end of the connecting rod, a clamping ball connected to the front end of the connecting rod, a pre-tightening ring provided at the rear end of the steel sleeve, the pre-tightening ring being C-shaped, a mounting block connected to the inside of the pre-tightening ring, the mounting block being C-shaped, a movable groove formed in the inside of the mounting block, a mounting groove formed in the inside of the movable groove, a spherical cavity connected to the inside of the rear side of the mounting groove, the clamping ball and the spherical cavity being in interference fit, the clamping ball being moved in the movable groove to align with the mounting groove and inserted, the inside of the mounting groove being symmetrically provided with an adjusting groove, a clamping block movably connected in the adjusting groove, the clamping block being inclined on one side, a spring connected between the clamping block and the adjusting groove, and the clamping block and the ring groove being movably connected, when the clamping ball moves towards the spherical cavity, the clamping ball pushes the clamping block until the clamping block enters the adjusting groove.

[0007] Preferably, by setting the ball and the assembly block, the ball is first aligned with the guide slot and pushed into the sound ring, the sound ring drives the steel sleeve, and then pushes the connecting block to move, so that the connecting rod moves, so that the ball enters the movable slot, and then the ball is aligned with the spherical cavity, after the connecting block is aligned with the assembly slot, it is pushed into the assembly slot, so that the ball extrudes the clamping block, the clamping block compresses the spring and shrinks into the adjusting slot, the ball and the spherical cavity are matched and clamped into the interior, and the ball is clamped, the clamping block is automatically reset and attached to the ring groove under the action of the spring, so that the whole assembly process is completed, the structure does not need to knock the joint of the sound ring to complete the connection with the assembly head, and the convenience and safety of assembly are improved.

[0008] As preferred, the connecting block is movably connected with the assembly slot, the clamping block is movably connected with the adjusting slot, the spring drives the clamping block to reset, and the ball cooperates with the spherical cavity to make the spring drive the clamping block to attach to the ring groove.

[0009] As preferred, the connecting block cooperates with the assembly slot to limit the position of the steel sleeve, and the outer end of the pre-tightening ring is provided with a clamping assembly, and the pre-tightening ring is fixed in the sound slot of the outer rim through the clamping assembly.

[0010] As preferred, the clamping assembly comprises a patch, and the patch is expanded by heat and attached to the sound slot of the outer rim.

[0011] As preferred, the left and right ends of the assembly block are both provided with guide slots, and the guide slots are conical.

[0012] As preferred, the guide slot is movably connected with the ball, and the guide slot is used for guiding the ball into the movable slot.

[0013] As preferred, the front end of the assembly block is provided with an adaptive slot, and the adaptive slot is attached to the steel sleeve when the connecting block moves into the assembly slot.

[0014] As preferred, the front end of the assembly block is provided with an adaptive slot, and the adaptive slot is attached to the sound ring.

[0015] The beneficial effects of the utility model are as follows:

[0016] 1. By cooperation of the ball and the spherical cavity, automatic locking of the joint and the assembly head is realized, assembly can be completed without knocking by external force, and damage to the sound ring in the traditional installation mode is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1A wheel silencer ring joint assembly structure three-dimensional explosion structure schematic view of the utility model is shown.

[0018] Figure 2 A wheel silencer ring joint assembly structure three-dimensional structure schematic view of the utility model is shown.

[0019] Figure 3 A wheel silencer ring joint assembly structure three-dimensional explosion front view structure schematic view of the utility model is shown.

[0020] Figure 4 A wheel silencer ring joint assembly structure pre-tightening ring upper view structure schematic view of the utility model is shown.

[0021] Figure 5 A wheel silencer ring joint assembly structure pre-tightening ring front view structure schematic view of the utility model is shown.

[0022] Figure 6 A wheel silencer ring joint assembly structure three-dimensional explosion rear view structure schematic view of the utility model is shown.

[0023] Mark for explanation: 1, silencer ring; 2, steel sleeve; 31, connecting block; 32, connecting rod; 33, ring groove; 34, ball; 35, pre-tightening ring; 36, assembly block; 37, movable slot; 38, assembly slot; 39, spherical cavity; 310, adjusting groove; 311, spring; 312, clamping block; 41, patch; 42, lead-in slot; 43, adaptive slot. DETAILED DESCRIPTION

[0024] The utility model is further explained below in combination with the drawings and examples.

[0025] Please refer to Figures 1-6The utility model provides an embodiment: a kind of wheel silencer ring 1 joint assembly structure, including silencer ring 1;Still including the steel sleeve 2 being installed on silencer ring 1 and the connecting block 31 being installed at the rear end of steel sleeve 2, the rear end of connecting block 31 is connected with connecting rod 32, and the outer end of connecting rod 32 is equipped with ring groove 33, and the front end of connecting rod 32 is connected with ball 34, the rear end of steel sleeve 2 is provided with pre-tightening ring 35, pre-tightening ring 35 is C-shaped, and the inside of pre-tightening ring 35 is connected with assembly block 36, assembly block 36 is C-shaped, and the inside of assembly block 36 is equipped with movable slot 37, and the inside of movable slot 37 is equipped with assembly slot 38, and the inside rear side of assembly slot 38 is connected with spherical cavity 39, ball 34 and spherical cavity 39 are interference fit, ball 34 is inserted in movable slot 37 and is aligned assembly slot 38, and the inside of assembly slot 38 is equipped with adjusting groove 310 symmetrically, and adjusting groove 310 is movably connected with clamping block 312, one side of clamping block 312 is inclined, and clamping block 312 is connected with spring 311 between adjusting groove 310, clamping block 312 and ring groove 33 movably connect, when ball 34 moves towards spherical cavity 39, ball 34 pushes clamping block 312, until clamping block 312 enters adjusting groove 310, by being provided with ball 34 and assembly block 36, ball 34 is first aligned and introduced into groove 42 and pushes silencer ring 1, and silencer ring 1 drives steel sleeve 2, and then pushes connecting block 31 to move, so that connecting rod 32 moves, so that ball 34 enters movable slot 37, subsequently ball 34 is aligned spherical cavity 39, after connecting block 31 and assembly slot 38 are aligned, push into assembly slot 38, so that ball 34 extrudes clamping block 312, clamping block 312 compresses spring 311 and shrinks into adjusting groove 310, ball 34 and spherical cavity 39 are smoothly matched and are clamped into its inside, after ball 34 is clamped, under the action of spring 311, clamping block 312 is automatically reset and is attached with ring groove 33, so that the whole assembly process is completed, the structure can be connected with assembly head without knocking the joint of silencer ring 1, improve the convenience and security of assembly.

[0026] Please refer to Figures 1-5In the embodiment, the connecting block 31 is movably connected with the assembly groove 38, the clamping block 312 is movably connected with the adjusting groove 310, the spring 311 drives the clamping block 312 to reset, the clamping ball 34 cooperates with the spherical cavity 39 to make the spring 311 drive the clamping block 312 to adhere to the ring groove 33, the connecting block 31 cooperates with the assembly groove 38 to limit the position of the steel sleeve 2, the outer end of the pre-tightening ring 35 is provided with a clamping assembly, the pre-tightening ring 35 is fixed in the sound reduction groove of the outer rim through the clamping assembly, the clamping assembly comprises a patch 41, the patch 41 is expanded by heat and adheres to the sound reduction groove of the outer rim, the patch 41 is made of a thermal expansion polymer (such as a PVDF copolymer), which can quickly expand in volume after being excited by temperature or pressure after assembly, effectively filling the gap between the sound reduction groove and the pre-tightening ring 35, forming a reliable interference fit, improving assembly efficiency, structural stability and vibration resistance, the spherical cavity 39 is made of thermoplastic polyurethane with a hardness of Shore A 85-95, which takes into account strength and compressibility and is commonly used in soft connectors, sealing rings, shock pads and the like, is suitable for insertion of the clamping ball 34 without damaging the spherical cavity 39, and the polyester TPU has a transient resistance temperature of 100-120°C, which can ensure that the spherical cavity 39 will not be deformed after the patch 41 expands.

[0027] Please refer to Figures 2-6 In the embodiment, the left and right ends of the assembly block 36 are provided with lead-in grooves 42, the lead-in grooves 42 are conical, the lead-in grooves 42 are movably connected with the clamping balls 34, and the lead-in grooves 42 are used to guide the clamping balls 34 into the movable grooves 37. The front end of the assembly block 36 is provided with an adaptive groove 43, the adaptive groove 43 is adhered to the steel sleeve 2 when the connecting block 31 moves into the assembly groove 38, the adaptive groove 43 is adhered to the sound reduction ring 1, the lead-in grooves 42 are used to guide the clamping balls 34 to smoothly enter the movable grooves 37 inside the assembly block 36 along the set path, effectively avoiding the occurrence of mispositioning or jamming of the clamping balls 34 during assembly, improving the smoothness and accuracy of the overall assembly, the lead-in grooves 42 are designed in a conical structure, which can gradually transition and position the clamping balls 34 during the advancing process, realize flexible lead-in, reduce structural wear and tear, and prolong service life. At the same time, the front end of the assembly block 36 is provided with the adaptive groove 43, the adaptive groove 43 is adhered to the steel sleeve 2 for use, which enhances the bonding strength between the steel sleeve 2 and the assembly block 36, prevents loosening caused by vibration or long-term use, and thus improves the overall assembly reliability and service life.

[0028] In the process of working, after the pre-tightening ring 35 is put into the sound attenuation groove, the sound attenuation groove is heated by external tools, the patch 41 is heated and expanded, and is tightly clamped in the sound attenuation groove. Then the sound attenuation ring 1 is lifted, the connecting block 31 is driven to move, the connecting rod 32 is further driven to move, the clamping ball 34 is aligned with the guide-in groove 42, in the process of pushing the sound attenuation ring 1, the sound attenuation ring 1 drives the steel sleeve 2 to move, the connecting block 31 is further driven to move, the connecting rod 32 is driven to move, the clamping ball 34 is driven to enter the movable groove 37, then the clamping ball 34 is aligned with the spherical cavity 39, after the connecting block 31 is aligned with the assembly groove 38, the clamping ball 34 is pushed into the assembly groove 38, the clamping ball 34 is pressed against the clamping block 312, the clamping block 312 is compressed and shrunk into the adjusting groove 310, the clamping ball 34 is smoothly embedded into the spherical cavity 39, after the clamping ball 34 is completed, the spring 311 pushes the clamping block 312 to automatically reset and abut against the ring groove 33, so as to complete the whole assembly process.

[0029] Through the above steps, through the cooperation of the clamping ball 34 and the spherical cavity 39, the automatic locking of the joint and the assembly head is realized, the assembly can be completed without knocking, the damage to the sound attenuation ring 1 is avoided, in the assembly process, the clamping ball 34 enters the spherical cavity 39, the clamping block 312 is reset under the action of the spring 311 and abuts against the ring groove 33, the connection is stable, compared with the traditional interference fit mode, the design improves the assembly efficiency and safety, simplifies the operation process, and enhances the stability and consistency of repeated assembly of the structure, so as to solve the problem that the existing wheel sound attenuation ring 1 joint assembly structure usually needs to be knocked by external force to realize interference fit, which is not only complicated and low in assembly efficiency, but also easy to cause damage to parts, and the installation consistency is poor.

Claims

1. A wheel silencer ring joint assembly structure comprising a silencer ring (1); characterized in that: The muffling ring (1) is provided with a steel sleeve (2) and a connecting block (31) at the rear end of the steel sleeve (2), the rear end of the connecting block (31) is connected with a connecting rod (32), the outer end of the connecting rod (32) is provided with a ring groove (33), the front end of the connecting rod (32) is connected with a clamping ball (34), the rear end of the steel sleeve (2) is provided with a pre-tightening ring (35), the pre-tightening ring (35) is C-shaped, the inside of the pre-tightening ring (35) is connected with an assembly block (36), the assembly block (36) is C-shaped, the inside of the assembly block (36) is provided with a movable groove (37), the inside of the movable groove (37) is provided with an assembly groove (38), the inside of the assembly groove (38) is connected with a spherical cavity (39) at the rear side, the clamping ball (34) is in interference fit with the spherical cavity (39), the clamping ball (34) is moved in the movable groove (37) to be inserted into the assembly groove (38), the inside of the assembly groove (38) is symmetrically provided with an adjusting groove (310), the adjusting groove (310) is movably connected with a clamping block (312), one side of the clamping block (312) is inclined, the clamping block (312) is connected with a spring (311) between the adjusting groove (310), and the clamping block (312) is movably connected with the ring groove (33), when the clamping ball (34) is moved to the spherical cavity (39), the clamping ball (34) pushes the clamping block (312) until the clamping block (312) enters the adjusting groove (310).

2. A wheel silencer ring joint assembly according to claim 1, wherein: The connecting block (31) is movably connected with the assembly groove (38), the clamping block (312) is movably connected with the adjusting groove (310), the spring (311) drives the clamping block (312) to reset, and the clamping ball (34) is matched with the spherical cavity (39) to make the spring (311) drive the clamping block (312) to be attached to the ring groove (33).

3. A wheel silencer ring joint assembly according to claim 2, wherein: The connecting block (31) is matched with the assembly groove (38) to limit the position of the steel sleeve (2), the outer end of the pre-tightening ring (35) is provided with a clamping assembly, and the pre-tightening ring (35) is fixed in the muffling groove of the outer rim through the clamping assembly.

4. A wheel silencer ring joint assembly according to claim 3, wherein: The clamping assembly comprises a patch (41), and the patch (41) is expanded by heat and attached to the muffling groove of the outer rim.

5. A wheel silencer ring joint assembly according to claim 4, wherein: Both left and right ends of the assembly block (36) are provided with lead-in grooves (42), and the lead-in grooves (42) are conical.

6. A wheel silencer ring joint assembly according to claim 5, wherein: The lead-in grooves (42) are movably connected with the clamping ball (34), and the lead-in grooves (42) are used for guiding the clamping ball (34) into the movable groove (37).

7. A wheel silencer ring joint assembly according to claim 6, wherein: The front end of the assembly block (36) is provided with an adaptive groove (43), and the adaptive groove (43) is attached to the steel sleeve (2) when the connecting block (31) is moved into the assembly groove (38).

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