CN101876352A - Clutch used for variable displacement rotary swash plate compressor of vehicle air conditioner - Google Patents
Clutch used for variable displacement rotary swash plate compressor of vehicle air conditioner Download PDFInfo
- Publication number
- CN101876352A CN101876352A CN2009100504695A CN200910050469A CN101876352A CN 101876352 A CN101876352 A CN 101876352A CN 2009100504695 A CN2009100504695 A CN 2009100504695A CN 200910050469 A CN200910050469 A CN 200910050469A CN 101876352 A CN101876352 A CN 101876352A
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- Prior art keywords
- clutch
- ring
- drive plate
- belt pulley
- coupling body
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Abstract
The invention discloses a clutch used for a variable displacement rotary swash plate compressor of a vehicle air conditioner. The clutch comprises a belt wheel assembly (1) and a driven wheel assembly (2), wherein the axial central hole of a belt wheel (11) is matched with a bearing (12); the belt wheel (11) is provided with a plurality of connecting holes (13); the driven wheel (2) comprises a drive plate (21) which comprises an inner ring (211) with an inward extending part and an outer ring (212) with an outward expanding part; the inward extending ring of the inner ring is provided with a plurality of discontinuous grooves (214); neighboring grooves form a connecting rib (215); the outward expanding part of the outer ring is provided with a plurality of connecting holes (216); the outer ring is connected with a locking screw (3) through the belt wheel; a coupling body (4) and the inward extending part thereof are connected coaxially by using a radial outward expanding part (41) thereof; and the connecting point between the coupling body and the inner ring is closer to the axial centre of the drive plate than the plurality of grooves on the inner ring. The clutch has the characteristics of simple structure, reduced machining process, reduced machining cost and uniform stress; and an overload protection effect is ensured.
Description
Technical field
The present invention relates to car air conditioner displacement variable wobbler formula compressor, especially relate to the clutch that is used for this compressor.
Background technique
The clutch of the displacement variable wobbler formula compressor of automobile air-conditioning refrigeration device be used for from the transmission of power of motor car engine to displacement-variable swashplate compressor.Referring to Fig. 1, there is shown the three-dimensional exploded view of existing clutch, this clutch comprises drive plate assembly 20, plays plastics driven disc 21, rivet 22, belt wheel 23, bearing 24 and the screw 25 of overload protective function.As shown in Figure 2, there is shown the sectional view of clutch, therefrom the longitudinal axis of visible bearing 24 endoporus is coaxial with the longitudinal axis of belt wheel 23 and the longitudinal axis of drive plate 20.The internal diameter of the external diameter of bearing 24 and belt wheel 23 is an interference fit, therefore bearing 24 is pressed in the endoporus of belt wheel 23, and plastics driven disc 21 is coaxial with belt wheel 23, by rivet 22 plastics driven disc 21 is fixed on the belt wheel 23, and the profile consistent (clearly visible in Fig. 1) of the profile of plastics driven disc 21 and drive plate 20 is Spielpassung between the two.Drive plate 20 is fixed on by screw 25 and is pressed on the plastics driven disc on the main shaft (not shown), that is to say that motor car engine drives the plastics driven disc by belt pulley with transmission of power to plastics driven disc, by cooperating of plastics driven disc and drive plate, moment of torsion is passed to drive plate by the plastics driven disc, hub 26 on the drive plate makes compressor operating by the main shaft (not shown) of spline (not shown) drive compressor.When breaking down in compressor inside or surpasses the moment of torsion of clutch setting, 21 distortion of plastics driven disc, at this moment the drive plate 20 with its Spielpassung stops the rotation, and main shaft also stops operating, and whole compressor quits work.Yet, this plastics driven disc and drive plate the running on stressed all inhomogeneous, noise is big, processing technology complexity, processing cost height.
Summary of the invention
For solving the problems referred to above of prior art, the invention provides a kind of clutch of variable-displacement rotary tilting-tray compressor, it is simple in structure, and processing technology reduces, and has reduced processing cost, and can make drive plate stressed evenly, guarantees the overload protection effect.
For realizing this purpose, the invention provides a kind of clutch that is used for variable displacement rotary swash plate compressor of vehicle air conditioner, comprise belt wheel assembly and follower assembly, wherein:
Described belt wheel assembly comprises belt pulley, is combined with bearing in the axial center hole of belt pulley, and the end face of described belt pulley is provided with a plurality of attachment holes;
Described follower comprises drive plate, described drive plate comprises the outer shroud of stretching the interior ring of portion in having and having the outreach part, stretch in described, encircling and be provided with a plurality of discontinuous grooves in the portion, constitute connecting tendon between the adjacent described groove, be provided with a plurality of attachment holes on the outreach part of described outer shroud, the attachment hole of described outer shroud and the attachment hole of described belt pulley link together by lock screw;
One shaft coupling body, by the radially outreach part on it be connected to coaxially encircle in the described drive plate in stretch in the portion, described shaft coupling body and described in ring in stretch tie point between the portion than the axial centre of the more close described drive plate of described a plurality of grooves on the ring in described.
Preferably, the center hole of described bearing and described belt wheel is an interference fit.
Preferably, a plurality of positions rivet clasp of the surface of contact of described bearing and described belt pulley is in the same place.
Preferably, in described, be provided with shock absorber between ring and the described outer shroud.
Preferably, described shock absorber is made by rubber material.
Preferably, three curve baths that the groove on the described interior ring is offered along the circumferencial direction of stretching portion in the described interior ring form three connecting tendons like this between each curve bath.
Preferably, described shaft coupling body and described in ring in stretch between the portion and rivet.
Preferably, described shaft coupling body is provided with hub, is connected with compressor main shaft by spline by an end of described hub.
Preferably, the other end of described hub is provided with a pad part, and described pad spare is positioned at the center hole of described hub.
Compare with the clutch that is used for automobile air conditioner compressor of prior art; the assembling of its belt wheel assembly of clutch of the present invention and follower assembly realizes by lock screw; therefore the processing of drive plate is simple, the quality of fit requirement is low; stressed even; and shaft coupling body and drive plate are realized by connecting tendon; therefore control torque maximum set value well can realize overload protective function reliably.By structure of the present invention, reduced the complete machine cost that becomes the discharge capacity rotary compressor significantly.
Brief description of drawings
Following with reference to accompanying drawing, the preferred embodiments of the present invention are made detailed description so that design of the present invention and characteristics clearly are described, wherein:
Fig. 1 is the clutch three-dimensional exploded view of prior art variable-displacement rotary tilting-tray compressor;
Fig. 2 is the assembled state sectional view of clutch shown in Figure 1;
Fig. 3 is the clutch belt wheel assembly sectional view of variable-displacement rotary tilting-tray compressor of the present invention;
Fig. 4 is that belt wheel assembly A shown in Figure 3 is to end elevation;
Fig. 5 is the clutch follower assembly sectional view of variable-displacement rotary tilting-tray compressor of the present invention;
Fig. 6 is that follower assembly A shown in Figure 5 is to end elevation; And
Fig. 7 is Fig. 3 and belt wheel assembly shown in Figure 5 and follower assembly assembled state sectional view.
Embodiment
Fig. 3 is the clutch belt wheel assembly sectional view of variable-displacement rotary tilting-tray compressor of the present invention, and Fig. 4 shows the A of belt wheel assembly among Fig. 3 to end elevation.As seen from the figure, belt wheel assembly 1 in the clutch of the present invention comprises belt pulley 11, in the axial center hole of belt pulley 11, be combined with bearing 12, this bearing 12 is interference fit with the center hole of belt pulley 11, and do not endwisely slip in the belt pulley center hole in order to ensure bearing 12, on the surface of contact of bearing 12 and belt pulley 11, carried out rivet clasp in a plurality of positions (not shown).As can be seen from Fig. 4, the end face upper edge circumference of belt pulley 11 is provided with a plurality of attachment holes 13.
Fig. 5 and Fig. 6 show the clutch follower assembly sectional view of variable-displacement rotary tilting-tray compressor of the present invention and A respectively to end elevation.As seen from the figure, follower assembly 2 in the clutch of the present invention comprises a drive plate 21, in comprising, stretches this drive plate 21 the interior ring 211 of portion and the outer shroud 212 of outreach part, between inside and outside ring, be provided with inside and outside ring shock absorber 213, this shock absorber is made by rubber material, is used for the impact force between the buffering inside and outside ring when drive plate 21 is subjected to impacting.As shown in Figure 6, the portion of stretching in interior ring 211 along the circumferential direction offers three curve baths 214 (among the figure shown in the dotted line), and these curve baths 214 are discontinuous, forms three connecting tendons 215 like this between each curve bath.In the present embodiment, on interior ring, be provided with three curve baths and form three connecting tendons, but it will be understood by those skilled in the art that the shape of groove can change, for example straight shape groove or elliptical slot, the quantity of groove also can change, as four or more.Again as shown in Figure 6, on the outreach part of outer shroud 212, be provided with a plurality of attachment holes 216, the quantity of these attachment holes 216 is identical with attachment hole 13 quantity on belt pulley 11 end faces, belt pulley 11 and follower assembly 2 can be assembled into as shown in Figure 7 state by lock screw 3.
One shaft coupling body 4 be connected to coaxially by the radially outreach part 41 on it drive plate 21 interior ring 211 in stretch in the portion, for example can fixedly connected with the portion of stretching in the interior ring 211 by rivet 5.Stretch tie point A between the portion in shaft coupling body 4 and the interior ring 211 than the axial centre of curve bath 214 more close drive plates 21, when the moment of torsion that is subjected to when drive plate 21 was greater than setting value like this, connecting tendon 215 fractures can make shaft coupling body 4 and drive plate 21 break away from.
In the present invention, on shaft coupling body 4, be provided with hub 42, by these hub 42 1 ends are connected with spline (not shown) on the main shaft with compressor main shaft therewith clutch connect.Be provided with a pad part 43 on hub 42 the other ends, this pad part 43 is positioned at the center hole of hub 42, when drive plate 21 breaks away from shaft coupling body 4, can easily both be separated by this pad part 43 like this.
In use, the power that comes from motor car engine is sent on the belt wheel wheel 11 of clutch of the present invention by belt, belt pulley 11 drives the drive plate 21 that connects follower assembly thereon and rotates, 21 of drive plates drive the shaft coupling body 4 that connects thereon and rotate, and shaft coupling body 4 drives the automobile air conditioner compressor main shaft that connects thereon and rotates.In the present invention, belt pulley 11 is connected with the follower assembly by lock screw 3, and therefore in running, the drive plate 21 of follower assembly is stressed even.Break down or moment of torsion surpasses setting value when compressor inside, connecting tendon 215 fractures on the drive plate 21 break away from drive plate 21 and shaft coupling body 4, and play overload protective function.
By said structure of the present invention, drive plate easy processing and can guarantee precision, and be connected by lock screw between belt wheel and the driven disc, also reduced the complexity and the quality of fit of technology significantly; Simultaneously being connected by three connecting tendons fractures and can breaking away between shaft coupling body and the drive plate, can also control the setting of maximum torque well
Claims (9)
1. the clutch that is used for variable displacement rotary swash plate compressor of vehicle air conditioner comprises belt wheel assembly (1) and follower assembly (2), it is characterized in that:
Described belt wheel assembly (1) comprises belt pulley (11), is combined with bearing (12) in the axial center hole of described belt pulley (11), and the end face of described belt pulley (11) is provided with a plurality of attachment holes (13);
Described follower assembly (2) comprises drive plate (21), described drive plate (21) comprises the outer shroud (212) of stretching the interior ring (211) of portion in having and having the outreach part, in described ring (211) in stretch and be provided with a plurality of discontinuous grooves (214) in the portion, constitute connecting tendon (215) between the adjacent described groove, be provided with a plurality of attachment holes (216) on the outreach part of described outer shroud (212), the attachment hole of described outer shroud (216) links together by lock screw (3) with the attachment hole (13) of described belt pulley (11);
One shaft coupling body (4), by the radially outreach part (41) on it be connected to coaxially ring (211) in the described drive plate in stretch in the portion, described shaft coupling body (4) with described in ring (211) in stretch tie point (A) between the portion than the axial centre of encircling the more close described drive plates of described a plurality of grooves (214) (21) on (211) in described.
2. clutch as claimed in claim 1 is characterized in that, described bearing (12) is an interference fit with the center hole of described belt pulley (11).
3. clutch as claimed in claim 2 is characterized in that, a plurality of positions rivet clasp of the surface of contact of described bearing (1) and described belt pulley (11) together.
4. clutch as claimed in claim 1 is characterized in that, is provided with shock absorber (213) between ring (211) and the described outer shroud (212) in described.
5. clutch as claimed in claim 4 is characterized in that described shock absorber is made by rubber material.
6. clutch as claimed in claim 1 is characterized in that, three curve baths that the groove (214) on the described interior ring (211) is offered along the circumferencial direction of stretching portion in the described interior ring form three connecting tendons (215) like this between each curve bath.
7. clutch as claimed in claim 1 is characterized in that, stretches between the portion in described shaft coupling body (4) and the described interior ring (211) and rivets.
8. clutch as claimed in claim 1 is characterized in that, described shaft coupling body (4) is provided with hub (42), is connected with compressor main shaft by spline by an end of described hub (42).
9. clutch as claimed in claim 8 is characterized in that, the other end of described hub (42) is provided with a pad part (43), and described pad spare (43) is positioned at the center hole of described hub (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100504695A CN101876352A (en) | 2009-04-30 | 2009-04-30 | Clutch used for variable displacement rotary swash plate compressor of vehicle air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100504695A CN101876352A (en) | 2009-04-30 | 2009-04-30 | Clutch used for variable displacement rotary swash plate compressor of vehicle air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101876352A true CN101876352A (en) | 2010-11-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100504695A Pending CN101876352A (en) | 2009-04-30 | 2009-04-30 | Clutch used for variable displacement rotary swash plate compressor of vehicle air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101876352A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102758758A (en) * | 2012-07-18 | 2012-10-31 | 无锡市苏立成汽车空调压缩机有限公司 | Compressor driving disc assembly of automobile air conditioner |
| CN102758863A (en) * | 2012-07-18 | 2012-10-31 | 无锡市苏立成汽车空调压缩机有限公司 | Clutch assembly of automobile air-conditioning compressor |
| CN102767503A (en) * | 2012-07-18 | 2012-11-07 | 无锡市苏立成汽车空调压缩机有限公司 | Intelligent electric control-based automobile air conditioner compressor |
| CN105736593A (en) * | 2016-04-26 | 2016-07-06 | 安徽昊方机电股份有限公司 | Impact-resistant and overtorque-protection driver for compressor of car air conditioner |
-
2009
- 2009-04-30 CN CN2009100504695A patent/CN101876352A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102758758A (en) * | 2012-07-18 | 2012-10-31 | 无锡市苏立成汽车空调压缩机有限公司 | Compressor driving disc assembly of automobile air conditioner |
| CN102758863A (en) * | 2012-07-18 | 2012-10-31 | 无锡市苏立成汽车空调压缩机有限公司 | Clutch assembly of automobile air-conditioning compressor |
| CN102767503A (en) * | 2012-07-18 | 2012-11-07 | 无锡市苏立成汽车空调压缩机有限公司 | Intelligent electric control-based automobile air conditioner compressor |
| CN105736593A (en) * | 2016-04-26 | 2016-07-06 | 安徽昊方机电股份有限公司 | Impact-resistant and overtorque-protection driver for compressor of car air conditioner |
| CN105736593B (en) * | 2016-04-26 | 2018-08-17 | 安徽昊方机电股份有限公司 | Torque protection automobile air conditioner compressor driver is crossed in a kind of shock resistance |
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Application publication date: 20101103 |