JPH1047232A - Retainer and shoe for variable capacity type compressor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent noise due to backlash of a shoe by improving rigidity of a retainer and improving surface accuracy of the retainer. SOLUTION: A center hole 70a of a retainer body 10 and a plurality of slits 70c for communicating a plurality of shoe supporting holes 70b are disposed along circumferential direction of the retainer body 70. As slits 70cd for inserting a connecting rod in the shoe supporting holes 70b is not necessary to form in an outer periphery part 70e of the retainer body 70, parts having narrow width around the shoe supporting holes 70b of the retainer body 70 are coupled without them cut at middle part and rigidity of the retainer is improved and also surface accuracy of the outer periphery part 70e of the retainer body 70, in particular the part having narrow width around the shoe supporting holes 70b is improved in processing of the retainer 53.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a retainer and a shoe for a variable displacement compressor.

[0002]

2. Description of the Related Art FIG. 12 is a sectional view showing a part of a conventional variable displacement swash plate type compressor.

This variable displacement swash plate type compressor has a thrust flange 440 fixed to a shaft 405, a hinge ball 409 mounted on the shaft 405 so as to rotate and move in the axial direction, and a shaft 405 via the hinge ball 409. And the hinge mechanism 4
A swash plate 410 which is connected to the thrust flange 440 via the base 41 and rotates together with the rotation of the thrust flange 440; a plurality of pistons 407 which are accommodated in a cylinder bore (not shown) so as to be able to reciprocate linearly;
7, a connecting rod 411, a shoe 450 that engages with the spherical end 411 a of the connecting rod 411 and relatively rotates on the rear surface 410 a of the swash plate 410, and is relatively rotatable with respect to the swash plate 410. And a retainer 453 for supporting the shoe 450.

The swash plate 410 changes the inclination angle in accordance with the change in the pressure of a crank chamber (not shown) in which the swash plate 410 is accommodated, and the stroke of the piston 407 changes.

[0005] The shoe 450 is connected to the connecting rod 4.
11 includes a shoe body 451 that rotatably supports the tip spherical surface of one end 411a, and a washer 452 that rotatably supports the rear spherical surface of one end 411a of the connecting rod 411. The shoe body 451 is provided with a concave surface 451a, and the spherical surface at the one end 411a of the connecting rod 411 is in surface contact with the concave surface 451a. The washer 452 is provided with a concave portion 452a,
The rear end spherical surface of one end 411a of the connecting rod 411 is in surface contact with the concave surface 452a.

FIG. 11 is a plan view of the retainer.

[0007] The retainer 453 is a plate-shaped retainer body 4.
70, a central hole 470a provided at the center of the retainer main body 470, a plurality of shoe support holes 470b provided along the circumferential direction of the retainer main body 470, and the connecting rod 411 when the assembling is performed. And a slit 470c for passing through.

The retainer 453 is locked by a lock plate 455 fixed to the boss 410b with a bolt 454.
Supported.

Retainer 453 and connecting rod 4
In order to assemble the connecting rod 11, first, the washer 452 is attached to one end 411 a of the connecting rod 411.
Next, the connecting rod 411 is inserted into the shoe support hole 470b through the slit 470c of the retainer 453.

[0010]

The shoe 45
The gap (shoe gap) between the flat portion 451b of the shoe body 451 and the sliding surface 410a of the swash plate 410 is
A predetermined value (for example, 5 to 5)
15 μm).

However, since the thickness of the retainer 453 is small and the slit 470c of the retainer 453 is formed in the outer peripheral edge 470e of the retainer 453, the retainer 453 has low rigidity and is easily deformed. The surface accuracy of the peripheral portion 470e was difficult to obtain.

As a result, the flat portion 45 of the shoe body 451
1b and the sliding surface 410a of the swash plate 410
There is a problem that noise is generated due to backlash of the shoe 450 at intervals of 50.

The present invention has been made in view of such circumstances, and an object thereof is to increase the rigidity of a retainer, improve the surface accuracy of the retainer, and prevent generation of noise due to rattling of a shoe.

[0014]

According to a first aspect of the present invention, there is provided a retainer for a variable displacement compressor, comprising: a plate-like retainer body rotatably mounted on an inclined rotary plate; A central hole provided in the center of the retainer main body, into which the boss of the inclined rotating plate is inserted, and supports a plurality of shoes that relatively rotate on a sliding surface of the inclined rotating plate,
In a retainer of a variable displacement compressor including a plurality of shoe support holes provided along a circumferential direction in the retainer main body, a plurality of slits communicating the center hole and the plurality of shoe support holes, The retainer body is provided along the circumferential direction.

After the shoe is attached to one end of the connecting rod of the piston, the connecting rod can be inserted into the shoe support hole through a slit for communicating the center hole of the retainer body with the shoe support hole.
There is no need to form a slit for inserting the connecting rod into the shoe support hole at the outer peripheral edge of the retainer body. Therefore, the narrow portion around the shoe support hole of the retainer main body is connected without being cut in the middle, and the rigidity of the retainer is improved, and the outer peripheral edge of the retainer main body, particularly the width around the shoe support hole in the processing of the retainer. It is easy to obtain the surface accuracy of the narrow part of the area.

According to a second aspect of the present invention, there is provided a retainer for a variable displacement compressor, wherein the retainer has a plate-shaped retainer body rotatably mounted on the inclined rotary plate and a central portion of the retainer body, and the inclined rotary plate is provided. And a plurality of shoe support holes that support a plurality of shoes that relatively rotate on the sliding surface of the inclined rotating plate and are provided in the retainer body along the circumferential direction. And a pair of slits communicating with the shoe support holes are provided in the retainer body along a direction substantially orthogonal to the radial direction of the retainer body. It is characterized by.

As described above, the retainer main body is provided with a pair of slits communicating with the plurality of shoe support holes along a direction substantially perpendicular to the radial direction of the retainer main body, so that one end of the connecting rod of the piston is provided. After the shoe is mounted on the shoe support hole, the connecting rod and the shoe can be inserted into the shoe support hole through the pair of slits, and there is no need to form a slit communicating with the shoe support hole on the outer peripheral edge of the retainer body. Therefore, the narrow portion around the shoe support hole of the retainer main body is connected without being cut in the middle, so that the rigidity of the retainer is improved, and it is easy to obtain the surface accuracy of the outer peripheral edge of the retainer main body in the processing of the retainer. Become.

According to a third aspect of the present invention, there is provided a shoe for a variable displacement compressor, wherein a first support member for supporting a spherical surface at the tip of a spherical end of a connecting rod and a spherical surface at a rear end of the spherical end of the connecting rod. An annular second support member, which is supported by a retainer having a plurality of shoe support holes arranged in the circumferential direction, and relatively rotates on the sliding surface of the inclined rotary plate. In the shoe,
The second support member is provided with parallel portions parallel to each other for insertion into the shoe support hole.

As described above, parallel portions parallel to each other that can pass through the shoe support hole are formed in the second support member.
After the second support member is attached to one end of the connecting rod of the piston, the connecting rod and the second support member can be inserted into the shoe support hole, and the outer peripheral edge of the retainer communicates with the shoe support hole. There is no need to form a slit. Therefore, the narrow portion around the shoe support hole of the retainer main body is connected without being cut in the middle, so that the rigidity of the retainer is improved, and the surface accuracy of the outer peripheral edge of the retainer main body is easily obtained in the processing of the retainer.

According to a fourth aspect of the present invention, there is provided a shoe for a variable displacement compressor, wherein a first support member for supporting a spherical end of a spherical end of a connecting rod and a spherical rear end of a spherical end of the connecting rod are supported. An annular second support member, which is supported by a retainer having a plurality of shoe support holes arranged in the circumferential direction, and relatively rotates on the sliding surface of the inclined rotary plate. In the shoe,
The second support member is provided with a slit for inserting the connecting rod into a center hole of the second support member.

Since the slit for inserting the connecting rod into the center hole of the second support member is provided in the second support member as described above, one end of the connecting rod is inserted into the shoe support hole of the retainer. After insertion, one end of the connecting rod can be inserted into the center hole of the second support member through the slit of the second support member, and a slit communicating with the shoe support hole at the outer peripheral edge of the retainer needs to be formed. Disappears. Therefore, the narrow portion around the shoe support hole of the retainer main body is connected without being cut in the middle, and the rigidity of the retainer is improved,
In processing the retainer, it becomes easy to obtain the surface accuracy of the outer peripheral edge of the retainer main body.

[0022]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 2 is a longitudinal sectional view showing a variable displacement type swash plate type compressor having a retainer according to the first embodiment of the present invention, and FIG. 3 is a part of the variable displacement type swash plate type compressor shown in FIG. FIG. 4 is a sectional view of the variable displacement type swash plate type compressor shown in FIG.

A rear head 3 is fixed to one end face of a cylinder block 1 of this variable displacement type swash plate type compressor via a valve plate 2 and a front head 4 is fixed to the other end face. A plurality of cylinder bores 6 are provided in the cylinder block 1 at predetermined intervals in the circumferential direction around the shaft 5.
Are arranged. A piston 7 is slidably accommodated in each of the cylinder bores 6.

A crank chamber 8 is provided in the front head 4.
A swash plate (inclined rotating plate) 10 is accommodated in the crank chamber 8.

On the rear side of the swash plate 10, a shoe 50 that engages with one end (spherical end) 11 a of the connecting rod 11 is supported by a retainer 53. A retainer 53 is mounted on the boss 10b of the swash plate 10, and the retainer 5
3 is supported by a lock plate 55 fixed to the boss 10b by bolts 54. The other end 11 b of the connecting rod 11 is fixed to the piston 7.

The shoe 50 is divided into a shoe body (first support member) 51 and a washer (second support member) 52.

The shoe main body 51 has a flat surface portion 51b which comes into surface contact with the rear surface (sliding surface) 10a of the swash plate 10, and a spherical surface portion 51a which fits with the front end spherical surface 61a of one end 11a of the connecting rod 11. .

The washer 52 is provided with a concave surface 52a, and the rear end spherical surface 61b of one end 11a of the connecting rod 11 is fitted into the concave surface 52a. Washer 52 is supported by retainer 53.

FIG. 1 is a plan view of a retainer according to the first embodiment of the present invention.

The retainer 53 of this embodiment has a plate-shaped retainer body 70, a central hole 70 a provided at the center of the retainer body 70, and a plurality of shoe supports provided in the retainer body 70 along the circumferential direction. Hole 70b and central hole 70
a and a plurality of slits 70c communicating the plurality of (the same number as the shoes 50) shoe support holes 70b. The width of the slit 70c is slightly larger than the outer diameter of the connecting rod 11. The swash plate 10 is provided in the central hole 70a.
Is inserted. An outer peripheral edge portion 70e of the retainer main body 70, in particular, a narrow portion around the shoe support hole 70b is connected without being cut in the middle.

In the rear head 3, a discharge chamber 12 is provided.
A suction chamber 13 located around the discharge chamber 12 is formed.

The valve plate 2 has a discharge port 16 for communicating the cylinder bore 6 with the discharge chamber 12 and a suction port 15 for communicating the cylinder bore 6 with the suction chamber 13.
Are provided at predetermined intervals in the circumferential direction. The discharge port 16 is opened and closed by a discharge valve 17, and the discharge valve 17 is fixed to a rear head side end surface of the valve plate 2 by a bolt 19 and a nut 20 together with a valve retainer 18.

The suction port 15 is opened and closed by a suction valve 21, and the suction valve 21 is disposed between the valve plate 2 and the cylinder block 1. The bolt 19 is provided with a guide hole 19a for guiding the refrigerant gas from the discharge chamber 12 to the radial bearing 24 and the thrust bearing 25.

The radial bearing 24 and the thrust bearing 25 support the rear end of the shaft 5, and the front end of the shaft 5 is rotatably supported by a radial bearing 26.

A communication passage 31 is provided between the suction chamber 13 and the crank chamber 8, and a pressure regulating valve 32 is provided in the middle of the communication passage 31. And the pressure in the crank chamber 8 is adjusted.

A thrust flange 40 for transmitting the rotation of the shaft 5 to the swash plate 10 is fixed to the front end of the shaft 5, and the thrust flange 40 is provided on the inner wall surface of the front head 4 via a thrust bearing 33. Supported. The thrust flange 40 and the swash plate 10 are connected via a hinge mechanism 41, and the swash plate 10 can be inclined with respect to a plane perpendicular to the shaft 5.

The hinge mechanism 41 includes an arm 10e provided on the front surface 10c of the swash plate 10, an elongated hole 10f provided on the arm 10e, and a pair of projections 40a provided on the rear surface of the thrust flange 40. And a pin 43 which is bridged between the two projecting pieces 40a and engages with the long hole 10f of the arm 10e.

The swash plate 10 is mounted on the shaft 5 via a hinge ball 9 mounted on the shaft 5 so as to rotate and move in the axial direction. In the center hole of the boss 10b of the swash plate 10, a hinge ball receiving surface 10d corresponding to the spherical portion 9c of the hinge ball 9 is provided. The spherical portion 9c of the hinge ball 9 is fitted to the hinge ball receiving surface 10d so as to be relatively rollable.

The hinge ball 9 is provided with a hole 9a (see FIG. 3) through which the shaft 5 is inserted, and two holes 9b (see FIG. 4) along a direction perpendicular to the center axis of the hole 9a. I have. The swash plate 10 has two holes 46 in the boss 10b along the radial direction of the boss 10b. A cylindrical pin 48 is inserted into each of the hole 9b of the hinge ball 9 and the hole 46 of the boss 10b. The pin 48 is locked by a lock plate 55.

A winding spring 44 is mounted between the hinge ball 9 and the thrust flange 40, and the hinge ball 9 is urged toward the cylinder block 1 by the winding spring 44. Also, a stopper 45 is fixed to the shaft 5,
A winding spring 47 is provided between the stopper 45 and the hinge ball 9.
The hinge spring 9 is urged toward the thrust flange 40 by the winding spring 47.

FIG. 5 is a perspective view for explaining a method of assembling the retainer and one end of the connecting rod.

Retainer 53 and connecting rod 11
When assembling, first, the connecting rod 11
After passing through the center hole of the washer 52 through one end 11a of the retainer 53, the connecting rod 11 is inserted into the center hole 70a of the retainer 53.
From the retainer 53 through the slit 70 c of the retainer 53.
3 into the shoe support hole 70b.

Next, the operation of the variable displacement type swash plate type compressor will be described.

When the rotational power of a vehicle-mounted engine (not shown) is transmitted to the shaft 5, the rotational force of the shaft 5 is transmitted to the swash plate 10 via the thrust flange 40 and the hinge mechanism 41, and the swash plate 10 rotates.

The rotation of the swash plate 10 causes the shoe 50 to move
Since the relative rotation is made on the zero sliding surface 10a, the rotational force from the swash plate 10 is converted into a linear reciprocating motion of the piston 7. The piston 7 reciprocates in the cylinder bore 6, and as a result, the volume in the cylinder bore 6 changes, and the suction, compression, and discharge of the refrigerant gas are sequentially performed by the volume change, and the capacity according to the inclination angle of the swing plate 10 is changed. Is discharged. At the time of suction, the suction valve 21 opens, and low-pressure refrigerant is sucked from the suction chamber 13 into the compression chamber in the cylinder bore 6, and at the time of discharge,
The discharge valve 17 is opened, and the high-pressure refrigerant is discharged from the compression chamber to the discharge chamber 12.

When the heat load decreases and the pressure regulating valve 32 closes the communication passage 31 and the pressure in the crank chamber 8 increases, the inclination angle of the swash plate 10 decreases, and as a result, the stroke of the piston 7 decreases. The discharge capacity decreases.

On the other hand, when the heat load increases and the pressure regulating valve 32 opens the communication passage 31 and the pressure in the crank chamber 8 decreases, the inclination angle of the swash plate 10 increases, and as a result, the stroke amount of the piston 7 increases. And the discharge capacity increases.

According to the variable displacement type swash plate type compressor of this embodiment, after the washer 52 of the shoe 53 is attached to the one end 11a of the connecting rod 11 of the piston 7,
Center hole 70a and shoe support hole 70b of retainer body 70
The connecting rod 11 can be inserted into the shoe support hole 70b through the slit 70c that communicates with the
There is no need to form a slit for inserting 1 in the outer peripheral edge 70e of the retainer main body 70. Therefore, the narrow portion around the shoe support hole 70b of the shoe body 70 is connected without being cut off in the middle, so that the rigidity of the retainer 53 is improved, and the outer peripheral edge 70e of the retainer body 70, especially the shoe, is formed in the processing of the retainer 53. The surface accuracy of the narrow portion around the support hole 70b can be easily obtained, and the gap (shoe gap) between the flat portion of the shoe body 51 and the sliding surface of the swash plate 10 is set to an appropriate value. The generation of noise due to backlash can be prevented.

FIG. 6 is a plan view of a retainer of a variable displacement swash plate type compressor according to a second embodiment of the present invention, and FIG. 7 is a perspective view for explaining a method of assembling the retainer and a connecting rod. . Portions common to the first embodiment described above are denoted by the same reference numerals, and description thereof is omitted. In the first embodiment, the slit 70c for communicating the center hole 70a and the shoe support hole 70b is formed on the inner peripheral edge 7 of the retainer body 70.
In the second embodiment, the retainer body 1 is formed as shown in FIGS. 6 and 7.
In 70, a pair of slits 170 c communicating with the shoe support holes 170 b is provided along a direction substantially orthogonal to the radial direction of the retainer main body 170.

Therefore, the washer 52 of the shoe 50 is attached to one end 11a of the connecting rod 11 of the piston 7.
After mounting, the connecting rod 11 and the washer 52 of the shoe 50 can be inserted into the shoe support hole 170b through the slit 170c.

According to the retainer 153 of the second embodiment, the slit 170 communicating with the shoe support hole 170b is provided.
c does not need to be formed on the outer peripheral edge 170 e of the retainer body 170, so that the shoe support hole 1
The narrow portion around the periphery of 70b is connected without being cut in the middle, the rigidity of the retainer 153 is improved, and the surface accuracy of the outer peripheral edge 170e of the retainer main body 170 is easily obtained in the processing of the retainer 153. Generation of noise can be prevented.

FIG. 8 is a plan view of a retainer, and FIG. 9 is a perspective view for explaining a shoe of a variable displacement swash plate type compressor according to a third embodiment of the present invention. Portions common to the first embodiment described above are denoted by the same reference numerals, and description thereof is omitted.

In the case of the third embodiment, the shoe body (first support member) 51 is the same as that of the first embodiment, but the washer (second support member) 252 is different from that of the first embodiment. different. That is, in the third embodiment, the washer 252 is provided with parallel portions 252b parallel to each other for insertion into the shoe support holes 270b.

After attaching the washer 252 to one end 11a of the connecting rod 11 of the piston 7, the one end 11a of the connecting rod 11 and the washer 252 can be inserted into the shoe support hole 270b.

According to the shoe of the third embodiment, since it is not necessary to form a slit communicating with the shoe support hole 270b in the retainer main body 270, the retainer main body 270 is not required.
The narrow portion around the shoe support hole 270b is connected without being cut in the middle, the rigidity of the retainer 253 is further improved, and the surface accuracy of the outer peripheral edge 270e of the retainer main body 270 is easily obtained in the processing of the retainer 253. ,
The generation of noise due to the backlash of the shoe can be prevented.

FIG. 10 is a perspective view for explaining a shoe of a variable displacement type swash plate type compressor according to a fourth embodiment of the present invention. Portions common to the first embodiment described above are denoted by the same reference numerals, and description thereof is omitted.

In the fourth embodiment, the shoe body (first support member) 51 is the same as that of the first embodiment, but the washer (second support member) 352 is different from that of the first embodiment. different. This relationship is the same as that of the third embodiment. In the third embodiment, the washer 252 is provided with a pair of parallel portions 252b, whereas in the fourth embodiment, the pair of parallel portions 252b is provided. Instead, a washer (second support member) 352 was provided with a slit 352c for inserting the connecting rod 11 into the center hole 352b of the washer 352.

Accordingly, one end 1 of the connecting rod 11 is inserted into the shoe support hole 270b of the retainer main body 270.
1a, and then one end 11a of the connecting rod 11 can be inserted into the center hole 352b of the washer 352 through the slit 352c of the washer 352. Therefore, one end 1 of the connecting rod 11
The work of grinding the top surface 7a of the piston 7 for adjusting the distance between 1a and the top surface 7a of the piston 7 becomes easy.

The outer peripheral edge 27 of the retainer main body 270
Since it is not necessary to form a slit communicating with the shoe support hole 270b in the hole 0e, a narrow portion around the shoe support hole 270b of the retainer main body 270 is connected without being cut in the middle, so that the rigidity of the retainer is improved and the retainer is improved. In the machining of 253, the surface accuracy of the outer peripheral edge portion 270e of the retainer main body 270 can be easily obtained, and generation of noise due to rattling of the shoe can be prevented.

In each of the above embodiments, the case where the present invention is applied to a variable displacement swash plate type compressor is described. However, the present invention is applied to another variable displacement type compressor such as a variable displacement swinging plate compressor. It can also be applied to machines.

[0062]

As described above, according to the retainer of the variable displacement compressor of the first or second aspect of the present invention, the slit for inserting the connecting rod into the shoe support hole is formed on the outer peripheral edge of the retainer main body. Since it is not necessary to cut, the narrow part around the shoe support hole of the retainer main body is connected without being cut in the middle, and the rigidity of the retainer is improved, and the outer peripheral edge of the retainer main body in processing the retainer,
In particular, the surface accuracy of the narrow portion around the shoe support hole can be easily obtained, and the gap (shoe gap) between the flat portion of the shoe body and the sliding surface of the swash plate is set to an appropriate value. The generation of noise due to backlash can be prevented.

According to the retainer of the variable displacement compressor according to the third aspect of the present invention, it is not necessary to form a slit for inserting a connecting rod into the shoe support hole, so that the periphery of the shoe support hole of the retainer body is not required. The narrow part is connected without being cut in the middle, and the rigidity of the retainer is further improved, the surface accuracy of the outer peripheral edge of the retainer body is easily obtained in the processing of the retainer, and the generation of noise due to the rattling of the shoe is prevented. Can be.

According to the retainer of the variable displacement compressor of the fourth aspect, the same effect as that of the third aspect of the invention can be obtained, and one end of the connecting rod is inserted into the shoe support hole of the retainer. Then, since one end of the connecting rod can be inserted into the center hole of the second support member through the slit of the second support member, the distance between the one end of the connecting rod and the top surface of the piston can be adjusted. In addition, the work of grinding the top surface of the piston is facilitated.

[Brief description of the drawings]

FIG. 1 is a plan view of a retainer according to a first embodiment of the present invention.

FIG. 2 is a longitudinal sectional view showing a variable displacement swash plate type compressor equipped with the retainer of FIG.

FIG. 3 is a sectional view showing a part of the variable displacement swash plate type compressor of FIG. 2;

FIG. 4 is a view of the variable displacement type swash plate type compressor of FIG.

FIG. 5 is a perspective view for explaining a method of assembling the retainer and one end of a connecting rod.

FIG. 6 is a plan view of a retainer of a variable displacement swash plate type compressor according to a second embodiment of the present invention.

FIG. 7 is a perspective view for explaining a method of assembling the retainer and the connecting rod.

FIG. 8 is a plan view of a retainer.

FIG. 9 is a perspective view for explaining a shoe of a variable displacement swash plate type compressor according to a third embodiment of the present invention.

FIG. 10 is a perspective view for explaining a shoe of a variable displacement swash plate type compressor according to a fourth embodiment of the present invention.

FIG. 11 is a plan view of a conventional retainer.

FIG. 12 is a sectional view showing a part of a conventional variable displacement swash plate type compressor.

[Explanation of symbols]

 Reference Signs List 7 piston 10 swash plate 10a rear surface 10b boss 11 connecting rod 11a one end of connecting rod 50 shoe 51 shoe body 52, 252, 352 washer 53, 153, 253 retainer 70, 170, 270 retainer body 70a, 170a, 270a center Holes 70b, 170b, 270b Shoe support holes 70c, 170c, 270c Slits 70d, 170d, 270d Inner peripheral edge 70e, 170e, 270e Outer peripheral edge 61a Tip spherical surface at one end of connecting rod 61b Rear spherical surface at one end of connecting rod 352b center hole

Claims (4)

[Claims] 1. A plate-like retainer body rotatably mounted on an inclined rotating plate, a central hole provided at a central portion of the retainer body, into which a boss portion of the inclined rotating plate is inserted, and In a retainer of a variable displacement compressor, which supports a plurality of shoes that relatively rotate on a sliding surface of a rotating plate and includes a plurality of shoe support holes provided in a circumferential direction in the retainer body. A retainer for a variable displacement compressor, wherein a plurality of slits for communicating the center hole and the plurality of shoe support holes are provided in the retainer body along a circumferential direction. 2. A plate-like retainer body rotatably mounted on the inclined rotating plate, a central hole provided at a central portion of the retainer body, into which a boss portion of the inclined rotating plate is inserted; In a retainer of a variable displacement compressor, which supports a plurality of shoes that relatively rotate on a sliding surface of a rotating plate and includes a plurality of shoe support holes provided in a circumferential direction in the retainer body. A retainer for a variable displacement compressor, wherein a pair of slits communicating with the shoe support holes are provided in the retainer body along a direction substantially orthogonal to a radial direction of the retainer body. A first support member for supporting a spherical surface at the tip of the spherical end of the connecting rod; and an annular second support member for supporting a spherical surface at the rear end of the spherical end of the connecting rod. The shoe of a variable displacement compressor supported by a retainer having a plurality of shoe support holes arranged in a direction, and relatively rotating on a sliding surface of an inclined rotating plate, wherein the second support member includes the shoe. A shoe for a variable displacement compressor, comprising parallel portions parallel to each other for insertion into a support hole. 4. A first support member for supporting a spherical surface at the distal end of the spherical end of the connecting rod, and an annular second support member for supporting a spherical surface at the rear end of the spherical end of the connecting rod. The shoe of a variable displacement compressor supported by a retainer having a plurality of shoe support holes arranged in a direction, and relatively rotating on a sliding surface of an inclined rotating plate, wherein the connecting member is connected to the second support member. A shoe for a variable displacement compressor, wherein a slit for inserting a rod into a center hole of a second support member is provided.