CN214197166U - Novel dustproof sound-absorbing noise-reducing type compression belt pulley - Google Patents
Novel dustproof sound-absorbing noise-reducing type compression belt pulley Download PDFInfo
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- CN214197166U CN214197166U CN202022687339.7U CN202022687339U CN214197166U CN 214197166 U CN214197166 U CN 214197166U CN 202022687339 U CN202022687339 U CN 202022687339U CN 214197166 U CN214197166 U CN 214197166U
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Abstract
The utility model relates to the technical field of automobile air conditioner compressor clutch processing, in particular to a novel dustproof sound-absorbing noise-reducing type compression belt pulley, which comprises a belt pulley main body, wherein the front side suction closing end of the belt pulley main body is detachably and hermetically buckled with a sound-absorbing dustproof cover, a buckling groove is arranged outside the front side suction closing end of the belt pulley main body, and the inner side groove wall of the buckling groove is provided with a thread; the sound-absorbing dustproof cover comprises a first boss, a second boss and a third boss which are sequentially arranged from front to right, accommodating cavities are sequentially formed in the first boss, the second boss and the third boss from front to back along the axis, and the wall thickness of each accommodating cavity is the same; the side wall of the inner cavity of the accommodating cavity positioned on the third boss is provided with a thread matched with the buckling groove; the problem of although the part possesses dustproof performance, but have the defect that dustproof performance is poor on the one hand, on the other hand carries out fastening connection through a plurality of bolt locking formulas mostly, and locking is comparatively loaded down with trivial details, inconvenient dismantlement equipment is solved.
Description
Technical Field
The utility model relates to a car air conditioner compressor clutch processing technology field, concretely relates to novel dustproof formula compression belt pulley of making an uproar falls of inhaling sound.
Background
The electromagnetic clutch transmission structure of the automobile air conditioner compressor comprises a belt pulley, a driving disc and a coil; the belt pulley is parallel to the driving disc and has a certain gap, the driving disc is provided with a spring piece, the belt pulley is provided with an electromagnetic coil, and the friction disc on the driving disc can axially move and reset under the action of the spring piece. The middle of the belt pulley is provided with a double-row angular contact ball bearing with a sealing cover in a pressing way, and the double-row angular contact ball bearing rotates along with the rotation of an automobile engine. When the automobile air conditioner works, the electromagnetic coil on the belt pulley is electrified, and due to the action of electromagnetic force, the friction disc overcomes the elasticity of the spring piece and axially moves towards the belt pulley, so that the friction disc is tightly attached to the belt pulley, and the driving disc rotates along with the belt pulley to further enable the compressor to work; when the automobile air conditioner is turned off, the electromagnetic coil is not electrified, the friction disc is separated from the belt pulley due to the pull-back elasticity of the spring piece, the driving disc stops rotating, and therefore the compressor stops working.
Although the part possesses the dustproof performance when utilizing electromagnetic coil assembly and sucking disc assembly to carry out the actuation in compressor clutch belt pulley among the prior art, nevertheless there is the poor defect of dustproof performance on the one hand, and on the other hand carries out fastening connection through a plurality of bolt locking formulas mostly, and locking is comparatively loaded down with trivial details, and the equipment is dismantled to inconvenient, therefore the skilled person in the art needs urgent need to develop a novel dustproof formula compression belt pulley that falls of inhaling the sound and making an uproar and solve above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides a novel dustproof formula compression belt pulley of making an uproar that falls of inhaling has solved though the part possesses the dustproof performance through the design and the use of a series of structures, nevertheless has the defect that the dustproof performance is poor on the one hand, and on the other hand is mostly fastened through a plurality of bolt locking formulas and is connected, and locking is comparatively loaded down with trivial details, and the inconvenient problem of dismantling the equipment.
The utility model discloses a following technical scheme realizes:
a novel dustproof sound-absorbing noise-reducing type compression belt pulley comprises a belt pulley main body, wherein a front side suction end of the belt pulley main body is detachably, hermetically and fixedly buckled with a sound-absorbing dustproof cover, a buckling groove is formed in the outer side of the front side suction end of the belt pulley main body, and a thread is formed in the inner side groove wall of the buckling groove;
the sound-absorbing dustproof cover comprises a first boss, a second boss and a third boss which are sequentially arranged from front to right, accommodating cavities are sequentially formed in the first boss, the second boss and the third boss from front to back along the axis, and the wall thickness of each accommodating cavity is the same;
the side wall of the inner cavity of the accommodating cavity on the third boss is provided with the thread matched with the buckling groove;
a first sealing groove is formed in the circumferential outer wall of the third boss, and a first sealing ring is embedded in the first sealing groove;
a second sealing groove is formed in the bottom wall of the inner cavity of the accommodating cavity on the third boss, and a second sealing ring is embedded in the second sealing groove;
when the sound-absorbing dustproof cover and the belt wheel main body are buckled and installed, the first sealing ring is in sealing butt joint with the outer side groove wall of the buckling groove, and the second sealing ring is in sealing butt joint with the front end face of the inner side groove wall of the buckling groove.
Preferably, the inner wall and the outer wall of the sound-absorbing dustproof cover are both coated with nano sound-absorbing layers made of nano fiber materials, and the thickness of each nano sound-absorbing layer is 2-5 mm.
Preferably, the sound-absorbing dust cover is made of sound-absorbing EVA rubber.
Preferably, the front side end of the first boss further comprises a groove, and a rotating member is arranged on the groove.
Preferably, the three inner cavities of the accommodating cavity can accommodate and assemble a sucker assembly for being sucked with the front suction end of the belt wheel main body.
Preferably, the first boss, the second boss and the third boss are integrally formed.
Preferably, the connection transition positions of the first boss, the second boss and the third boss are all fillet transition connections.
The utility model has the advantages that:
the utility model solves the problems that although part of the part has dustproof performance, the part has poor dustproof performance, and most of the parts are fastened and connected in a locking mode through a plurality of bolts, so that the locking is complex and the disassembly and assembly are inconvenient;
and the utility model discloses novel structure, reasonable in design, convenient to use has stronger practicality.
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, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is an exploded view of the present invention;
fig. 2 is a schematic structural view of the belt wheel main body of the present invention;
FIG. 3 is a front view of the sound absorbing and dust preventing cover of the present invention;
FIG. 4 is a rear view of the sound absorbing and dust preventing cover of the present invention;
fig. 5 is a cross-sectional view of the sound-absorbing dust cap of the present invention.
In the figure: 1-belt wheel main body, 2-sound-absorbing dustproof cover, 201-first boss, 202-second boss, 203-third boss, 204-containing cavity, 3-buckling groove, 4-thread, 5-first sealing groove, 6-second sealing groove, 7-groove and 8-rotating piece.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
A novel dustproof sound-absorbing noise-reducing type compression belt pulley comprises a belt pulley main body 1, wherein a front side suction end of the belt pulley main body 1 is detachably, hermetically and fixedly buckled with a sound-absorbing dustproof cover 2, a buckling groove 3 is formed in the outer side of the front side suction end of the belt pulley main body 1, and a thread 4 is formed in the inner groove wall of the buckling groove 3;
the sound-absorbing dustproof cover 2 comprises a first boss 201, a second boss 202 and a third boss 203 which are sequentially arranged from front to right, accommodating cavities 204 are sequentially formed in the first boss 201, the second boss 202 and the third boss 203 from front to back along the axis, and the wall thickness of each accommodating cavity 204 is the same;
the side wall of the inner cavity of the accommodating cavity 204 on the third boss 203 is provided with a thread 4 matched with the buckling groove 3;
a first sealing groove 5 is formed in the circumferential outer wall of the third boss 203, and a first sealing ring is embedded in the first sealing groove 5;
a second sealing groove 6 is formed in the bottom wall of the inner cavity of the accommodating cavity 204 on the third boss 203, and a second sealing ring is embedded in the second sealing groove 6;
when the sound-absorbing dustproof cover 2 and the belt wheel main body 1 are buckled and installed, the first sealing ring is in sealing butt joint with the outer side groove wall of the buckling groove 3, and the second sealing ring is in sealing butt joint with the front end face of the inner side groove wall of the buckling groove 3.
Specifically, the inner wall and the outer wall of the sound-absorbing dustproof cover 2 are both sprayed with nanometer sound-absorbing layers made of nanometer fiber materials, and the thickness of each nanometer sound-absorbing layer is 2-5 mm.
Specifically, the sound-absorbing dust cover 2 is made of sound-absorbing EVA rubber.
Specifically, the front side end of the first boss 201 further includes a groove 7, and the groove 7 is provided with a rotating member 8.
Specifically, the inner cavities of the three accommodating cavities 204 can accommodate and assemble a suction cup assembly for being sucked with the front suction end of the pulley main body 1.
Specifically, the first boss 201, the second boss 202 and the third boss 203 are integrally formed.
Specifically, the connection transition positions of the first boss 201, the second boss 202 and the third boss 203 are all fillet transition connections.
The working principle is as follows: the utility model discloses when will inhale sound shield 2 and band pulley main part 1 and assemble the use, utilize and inhale the sound shield 2, screw thread 4 cooperation on the lock groove 3, can carry out fast assembly with inhaling sound shield 2 and band pulley main part 1, and then avoid through the mode of locking the fastening to a plurality of bolts, labour saving and time saving, it is convenient to install;
moreover, through the arrangement of the first sealing groove 5 and the second sealing groove 6, the first sealing ring is embedded in the first sealing groove 5, and the second sealing ring is embedded in the second sealing groove 6, so that the dustproof performance of the sealing can be further improved by the second sealing ring while the first sealing ring is used for sealing and preventing dust;
moreover, the inner wall and the outer wall of the sound-absorbing dustproof cover 2 are both sprayed with nano sound-absorbing layers made of nano fiber materials, and the thickness of each nano sound-absorbing layer is 2-5mm, so that the purposes of absorbing sound and reducing noise of noise generated when the inside and the outside of the sound-absorbing dustproof cover 2 operate can be achieved;
moreover, the sound-absorbing dustproof cover 2 is made of sound-absorbing EVA rubber, so that the sound-absorbing and noise-reducing performances are further improved;
the front side end of the first boss 201 further comprises a groove 7, so that the weight of the sound-absorbing dustproof cover 2 can be further reduced, the rotating piece 8 is arranged on the groove 7, the sound-absorbing dustproof cover 2 can be conveniently rotated, and meanwhile, the rotating piece 8 is arranged in the groove 7, so that the external occupied space of the sound-absorbing dustproof cover 2 can be further saved;
the sucking disc assemblies for sucking with the front sucking end of the belt wheel main body 1 can be accommodated and assembled in the inner cavities of the three accommodating cavities 204, so that the sucking disc assemblies and the belt wheel main body 1 can be conveniently sucked by the electromagnetic action of the electromagnetic coil assemblies arranged in the belt wheel main body 1, and the use of the sucking disc assemblies is not influenced;
moreover, the integral forming structure of the first boss 201, the second boss 202 and the third boss 203 is arranged, and the connection transition positions of the first boss 201, the second boss 202 and the third boss 203 are all in fillet transition connection, so that the integral structural strength of the sound-absorbing dustproof cover 2 is further improved;
the utility model discloses under the design and the use that adopt above-mentioned structure, solved though the part possesses dustproof performance, nevertheless there is the defect that dustproof performance is poor on the one hand, and on the other hand carries out fastening connection through a plurality of bolt locking formulas mostly, and locking is comparatively loaded down with trivial details, inconvenient dismantlement equipment's problem.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (7)
1. The utility model provides a novel dustproof formula compression pulley of making an uproar falls that inhales, this band pulley includes band pulley main part (1), its characterized in that: the front side suction end of the belt wheel main body (1) is detachably, hermetically and fixedly buckled with a sound-absorbing dustproof cover (2), the outer side of the front side suction end of the belt wheel main body (1) is provided with a buckling groove (3), and the inner side groove wall of the buckling groove (3) is provided with a thread (4);
the sound-absorbing dustproof cover (2) comprises a first boss (201), a second boss (202) and a third boss (203) which are sequentially arranged from front to right, accommodating cavities (204) are sequentially formed in the first boss (201), the second boss (202) and the third boss (203) from front to back along an axis, and the wall thickness of each accommodating cavity (204) is the same;
the side wall of the inner cavity of the accommodating cavity (204) on the third boss (203) is provided with the thread (4) matched with the buckling groove (3);
a first sealing groove (5) is formed in the circumferential outer wall of the third boss (203), and a first sealing ring is embedded in the first sealing groove (5);
a second sealing groove (6) is formed in the bottom wall of the inner cavity of the accommodating cavity (204) on the third boss (203), and a second sealing ring is embedded in the second sealing groove (6);
when the sound-absorbing dustproof cover (2) and the belt wheel main body (1) are buckled and installed, the first sealing ring is in sealing butt joint with the outer side groove wall of the buckling groove (3), and the second sealing ring is in sealing butt joint with the front end face of the inner side groove wall of the buckling groove (3).
2. The novel dustproof, sound-absorbing and noise-reducing type compression pulley according to claim 1, is characterized in that: the sound absorbing and dust preventing cover is characterized in that a nano sound absorbing layer is sprayed on the inner wall and the outer wall of the sound absorbing and dust preventing cover (2), the nano sound absorbing layer is made of nano fiber materials, and the thickness of the nano sound absorbing layer is 2-5 mm.
3. The novel dustproof noise-absorbing noise-reducing type compression pulley according to claim 2, characterized in that: the sound-absorbing dustproof cover (2) is made of sound-absorbing EVA rubber.
4. The novel dustproof, sound-absorbing and noise-reducing type compression pulley according to claim 1, is characterized in that: the front side end of the first boss (201) further comprises a groove (7) which is formed, and a rotating piece (8) is arranged on the groove (7).
5. The novel dustproof, sound-absorbing and noise-reducing type compression pulley according to claim 1, is characterized in that: the three containing cavities (204) can contain and assemble a sucker assembly which is used for being sucked with the front side sucking end of the belt wheel main body (1).
6. The novel dustproof, sound-absorbing and noise-reducing type compression pulley according to claim 1, is characterized in that: the first boss (201), the second boss (202) and the third boss (203) are integrally formed.
7. The novel dustproof, sound-absorbing and noise-reducing type compression pulley according to claim 6, is characterized in that: the connection transition positions of the first boss (201), the second boss (202) and the third boss (203) are all fillet transition connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022687339.7U CN214197166U (en) | 2020-11-19 | 2020-11-19 | Novel dustproof sound-absorbing noise-reducing type compression belt pulley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022687339.7U CN214197166U (en) | 2020-11-19 | 2020-11-19 | Novel dustproof sound-absorbing noise-reducing type compression belt pulley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214197166U true CN214197166U (en) | 2021-09-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022687339.7U Active CN214197166U (en) | 2020-11-19 | 2020-11-19 | Novel dustproof sound-absorbing noise-reducing type compression belt pulley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214197166U (en) |
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- 2020-11-19 CN CN202022687339.7U patent/CN214197166U/en active Active
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