CN213270192U - Assembled piston for air-cooled compressor - Google Patents

Abstract

The utility model discloses an assembled piston used on an air-cooled compressor, which comprises a piston split body A and a piston split body B, wherein the center of the piston split body A and the piston split body B is provided with a through hole for penetrating a piston rod, the piston split body A and the piston split body B are positioned outside the through hole and are provided with an opening ring groove, the inner wall of the piston split body A positioned in the opening ring groove is provided with an external thread ring groove, the inner wall of the piston split body A positioned in the through hole is provided with an internal thread ring groove, the piston split body B is provided with an external connecting sleeve matched with the external thread ring groove, the external connecting sleeve is in threaded connection with the external thread ring groove, the inner wall of the piston split body B positioned in the opening ring groove is provided with an internal connecting sleeve, the utility model discloses the assembled piston is split into the piston split body A and, and the piston split body A and the piston split body B are in threaded connection, so that the connection is convenient and the fixing effect is good.

Description

Assembled piston for air-cooled compressor

Technical Field

The utility model relates to an air-cooled compressor technical field specifically is a assemble piston for on air-cooled compressor.

Background

A compressor (compressor) is a driven fluid machine that raises low-pressure gas into high-pressure gas, and is a heart of a refrigeration system. The refrigeration cycle comprises a gas suction pipe, a motor, a piston, an exhaust pipe, a compression pipe, a condensation pipe, an expansion pipe, an evaporation pipe, a heat exchange pipe and a heat exchange pipe. The compressor is divided into a piston compressor, a screw compressor, a centrifugal compressor, a linear compressor, etc. A piston compressor generally consists of a casing, a motor, a cylinder, a piston, control equipment (starter and thermal protector) and a cooling system. The cooling modes include oil cooling, air cooling and natural cooling. The linear compressor has no shaft, no cylinder, and no sealing and heat dissipating structure.

However, the existing piston used for the air-cooled compressor has the following disadvantages: current air cooled compressor mainly adopts integral piston, and current processing technology only relies on several plug holes to exhaust when casting integral piston and the support of loam core, increases the processing degree of difficulty, and current split type piston is when assembling, and the process is loaded down with trivial details.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an assemble piston for on air-cooled compressor to current air-cooled compressor mainly adopts integral piston in solving above-mentioned background art, current processing technology only relies on several plug holes to exhaust when casting integral piston and the support of loam core, increases the processing degree of difficulty, and piston when assembling, the loaded down with trivial details problem of process during current components of a whole that can function independently.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an assemble piston for on air-cooled compressor, includes piston components of a whole that can function independently A and piston components of a whole that can function independently B, be equipped with the interlude hole that is used for running through the piston rod in piston components of a whole that can function independently A and piston components of a whole that can function independently B's center department, piston components of a whole that can function independently A and piston components of a whole that can function independently B are located the outside of interlude hole and are equipped with the opening annular, the inner wall that piston components of a whole that can function independently A is located the opening annular is equipped with the external screw thread annular, be equipped with on the piston components of a whole that can function independently B with external screw thread annular assorted adapter sleeve, adapter sleeve and external screw thread annular threaded connection, the inner wall that.

Preferably, the inner connecting sleeve is provided with thread grains, and the outer wall of the outer connecting sleeve is provided with thread grains.

Preferably, the inner connecting sleeve of the piston split body B and the inner thread ring groove of the piston split body A are provided with positioning holes with matched positions, and the piston split body A and the piston split body B are connected through the inner thread ring groove and the inner connecting sleeve in a threaded mode, and the positioning nails are installed in the positioning holes.

Preferably, piston components of a whole that can function independently A passes behind piston components of a whole that can function independently A and the piston components of a whole that can function independently B and fixes through the connecting piece, the connecting piece includes disc and lantern ring, the front end at the lantern ring is connected to the disc, the disc contacts with piston components of a whole that can function independently B's terminal surface, the through-hole has been seted up on the disc, blind connecting hole is seted up to piston components of a whole that can function independently B's terminal surface, after the disc contacts with piston components of a whole that can function independently.

Preferably, the lantern ring is connected with the piston rod through a long fixing nail.

Preferably, the outer walls of the piston split body A and the piston split body B are provided with convex rings, and rubber plug sleeves are sleeved outside the piston split body A and the piston split body B.

The utility model provides an assemble piston for on air-cooled compressor possesses following beneficial effect:

(1) the utility model discloses a split piston into piston components of a whole that can function independently A and piston components of a whole that can function independently B with the piston split, change traditional integral type structure, the mode that adopts the concatenation reduces the processing degree of difficulty, and set up the internal thread annular on piston components of a whole that can function independently A is for being located the interior rampart, the inner wall that piston components of a whole that can function independently A is located the opening annular is equipped with the external screw thread annular, set up the adapter sleeve and the internal connection cover that have the screw thread line simultaneously on piston components of a whole that can function independently B, during the installation, with adapter sleeve and external screw thread annular, internal connection cover and internal screw thread annular threaded connection, thereby with piston components of a whole.

(2) The utility model discloses an wherein cross and set up the locating hole on piston components of a whole that can function independently B's in-connection cover and piston components of a whole that can function independently A's internal thread annular, and locating hole phase-match between them, with piston components of a whole that can function independently A and piston components of a whole that can function independently B install the location nail in the locating hole after through internal thread annular and in-connection cover threaded connection, utilize the location nail to consolidate, increase the fastening of connecting for piston components of a whole that can function independently A and piston components of a whole that can function independently B install the.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention;

fig. 3 is a schematic structural view of the rubber plug sleeve of the present invention.

In the figure: 1. a piston is separated from the body A; 2. a piston split body B; 3. an external thread ring groove; 4. an outer connecting sleeve; 5. An internal thread ring groove; 6. an inner connecting sleeve; 7. a convex ring; 8. a disc; 9. a collar; 10. a piston rod; 11. Short fixing nails; 12. a long staple; 13. a through hole; 14. a blind connecting hole; 15. positioning holes; 16. positioning nails; 17. a rubber plug sleeve; 18. and (4) opening the ring groove.

Detailed Description

The technical solution in 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.

As shown in fig. 1-3, the utility model provides a technical solution: the utility model provides an assemble piston for on air-cooled compressor, includes piston components of a whole that can function independently A1 and piston components of a whole that can function independently B2, be equipped with the break-through hole that is used for running through piston rod 10 in piston components of a whole that can function independently A1 and piston components of a whole that can function independently B2's center department, piston components of a whole that can function independently A1 and piston components of a whole that can function independently B2 are located the outside of break-through hole and are equipped with opening annular 18, the inner wall that piston components of a whole that can function independently A1 is located opening annular 18 is equipped with external screw thread annular 3, the inner wall that piston components of a whole that can function independently A1 is located the break-through hole is equipped with internal screw thread annular 5, be equipped with external screw thread annular 3 assorted adapter sleeve 4 on the piston components of a whole that can function independently B.

The inner connecting sleeve 6 is provided with thread grains, and the outer wall of the outer connecting sleeve 4 is provided with thread grains, so that the threaded connection is convenient.

The piston split body B2 has the internal thread ring groove 5 of the internal connecting sleeve 6 and the piston split body A1 on set up the locating hole 15 of position phase match, piston split body A1 and piston split body B2 install the locating pin 16 in the locating hole 15 through internal thread ring groove 5 and internal connecting sleeve 6 threaded connection back, utilize the locating pin 16 to pass the locating hole 15, fix, consolidate piston split body B2 and piston split body A1.

The piston split body A1 penetrates through the piston split body A1 and the piston split body B2 and then is fixed through a connecting piece, the connecting piece comprises a disc 8 and a lantern ring 9, the disc 8 is connected to the front end of the lantern ring 9, the disc 8 is in contact with the end face of the piston split body B2, a through hole 13 is formed in the disc 8, a blind connecting hole 14 is formed in the end face of the piston split body B2, after the disc 8 is in contact with the piston split body B2, a short fixing nail 11 is installed in the blind connecting hole 14 and the through hole 13, the piston split body A1 and the piston split body B2 are assembled and then connected with the piston rod 10, then the lantern ring 9 of the connecting piece is sleeved on the piston rod 10, the disc 8 is in contact with the end face of the piston split body B2, the blind connecting hole 14.

The lantern ring 9 is connected with the piston rod 10 through a long fixing nail 12, and the long fixing nail 12 penetrates through the lantern ring 9 and the piston rod 10 to be connected.

The outer walls of the piston split body A1 and the piston split body B2 are provided with convex rings 7, the rubber plug sleeve 17 is sleeved outside the piston split body A1 and the piston split body B2, and when the piston split type piston is used, the rubber plug sleeve 17 and the piston formed by the piston split body A1 and the piston split body B2 are fastened in a connecting manner under the action of the convex rings 7.

The assembled piston used for the air-cooled compressor is characterized in that the piston is split into a piston split body A1 and a piston split body B2, an internal thread ring groove 5 is arranged on an inner ring wall of the piston split body A1, an external thread ring groove 3 is arranged on an inner wall of an opening ring groove 18 of the piston split body A1, an external connecting sleeve 4 and an internal connecting sleeve 6 with thread lines are arranged on the piston split body B2, during installation, the external connecting sleeve 4 is in threaded connection with the external thread ring groove 3, the internal connecting sleeve 6 and the internal thread ring groove 5, the piston split body A1 and the piston split body B2 are in threaded connection, the connection between the piston split body A and the piston split body B2 is convenient, the connection effect is good, a positioning hole 15 is formed in the internal connecting sleeve 6 of the piston split body B2 and the internal thread ring groove 5 of the piston split body A1, the positioning holes 15 of the piston split body A1 and the piston split body B2 are matched, and a positioning pin 16 is installed in the positioning The piston split body A1 and the piston split body B2 are connected with the piston rod 10 after being assembled, then the lantern ring 9 of the connecting piece is sleeved on the piston rod 10, so that the disc 8 is in end face contact with the piston split body B2, the blind connecting hole 14 is aligned with the through hole 13, then the short fixing nail 11 is installed and fixed, and the long fixing nail 12 penetrates through the lantern ring 9 and the piston rod 10, so that the lantern ring 9 is connected with the piston rod 10.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides an assemble piston for on air-cooled compressor which characterized in that: comprises a piston split body A (1) and a piston split body B (2), wherein the centers of the piston split body A (1) and the piston split body B (2) are provided with a through hole for penetrating a piston rod (10), the piston split body A (1) and the piston split body B (2) are positioned outside the through hole and are provided with an opening ring groove (18), the inner wall of the piston split body A (1) positioned on the opening ring groove (18) is provided with an external thread ring groove (3), the inner wall of the piston split body A (1) positioned at the through hole is provided with an internal thread ring groove (5), an outer connecting sleeve (4) matched with the external thread ring groove (3) is arranged on the piston split body B (2), the outer connecting sleeve (4) is in threaded connection with the external thread ring groove (3), the inner wall of the piston split body B (2) positioned on the opening ring groove (18) is provided with an inner connecting sleeve (6), the inner connecting sleeve (6) is in threaded connection with the inner thread ring groove (5) of the piston split body A (1).

2. The split piston for an air-cooled compressor of claim 1, wherein: the inner connecting sleeve (6) is provided with thread grains, and the outer wall of the outer connecting sleeve (4) is provided with thread grains.

3. The split piston for an air-cooled compressor of claim 1, wherein: set up position locating hole (15) that match on internal thread annular (5) of internal connection cover (6) of piston components of a whole that can function independently B (2) and piston components of a whole that can function independently A (1), install in piston components of a whole that can function independently A (1) and piston components of a whole that can function independently B (2) through internal thread annular (5) and internal connection cover (6) threaded connection back locating hole (15) set a nail (16).

4. The split piston for an air-cooled compressor of claim 1, wherein: piston components of a whole that can function independently A (1) passes behind piston components of a whole that can function independently A (1) and piston components of a whole that can function independently B (2) fixed through the connecting piece, the connecting piece includes disc (8) and lantern ring (9), the front end at lantern ring (9) is connected in disc (8), the terminal surface contact of disc (8) and piston components of a whole that can function independently B (2), through-hole (13) have been seted up on disc (8), blind connecting hole (14) are seted up to the terminal surface of piston components of a whole that can function independently B (2), disc (8) and piston components of a whole that can function independently B (2) after the contact, install short staple (11) in blind connecting hole (14).

5. The split piston for an air-cooled compressor of claim 4, wherein: the lantern ring (9) is connected with the piston rod (10) through a long fixing nail (12).

6. The split piston for an air-cooled compressor of claim 1, wherein: the outer walls of the piston split body A (1) and the piston split body B (2) are provided with convex rings (7), and rubber plug sleeves (17) are sleeved outside the piston split body A (1) and the piston split body B (2).

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