CN213136620U - Auxiliary tool for installing compressor piston - Google Patents

Abstract

The utility model discloses an appurtenance for compressor piston installation, appurtenance include two symmetrical arrangement's holder, two holders pass through locking mechanism and connect, the holder be the semi-cylindrical structure that arc portion and fixed part are constituteed, arc portion is half-circular arc, the fixed part is established in arc portion width direction's both sides, forms the cylinder through-hole that is used for placing the piston between two arc portions, is equipped with the regulation slot hole that is used for adjusting piston ring position along its length direction in the arc portion. This appurtenance utilizes the holder that sets up to realize advancing the cover jar with the piston installation after, the piston ring cover is established the degree of accuracy in the piston recess of piston, improves the installation effectiveness, reduces the economic loss because of the dislocation of piston ring arouses.

Description

Auxiliary tool for installing compressor piston

Technical Field

The utility model belongs to the technical field of the installation of compressor piston, especially, relate to an appurtenance for installation of compressor piston.

Background

The piston is the important component part of compressor, and in the use, because the frequency of use of piston is big, often need maintain and change the piston, in the change process, what often need to change is the piston ring of cover outside the piston, and long-time friction causes the piston ring wearing and tearing easily between piston ring and the cover jar, or because of the lubricated bad of piston ring, leads to the piston ring to be destroyed, and then makes the work efficiency of piston reduce, influences normal operating.

At present to the installation of piston be mostly artifical take out the piston from the cover cylinder, then remove the piston ring that damages one by one, change new piston ring, because the piston ring has certain elasticity, not closely laminate in the piston recess of piston, this just causes the manual work to send into the cover cylinder with the piston of installing the piston ring, cause the change of the position is established to the cover of piston ring on the piston easily, receive the effort of cover cylinder inner wall behind the entering cover cylinder, the piston ring is fixed outside the piston, unable accurate and the cooperation of piston recess, need install many times and just can accomplish the piston ring and the accurate cooperation of piston in the cover cylinder, at this in-process, also can cause the installation damage of some piston rings. This method of installation is inefficient and increases installation costs.

Chinese utility model patent (publication No. CN 209954598U) discloses a piston ring dismounting and mounting tool, which comprises two mutually hinged handles, a gland plate, an arc guide block and a positioning claw, wherein the inner side of one handle is provided with an arc slide plate, the side surface of the arc slide plate is provided with an arc rack matched with the arc slide plate, the other handle is provided with a through hole matched with the arc slide plate for the arc slide plate to slide, one side of the through hole is provided with a reset prevention device meshed with the arc rack, and the other side of the through hole is provided with a reset trigger device corresponding to the reset prevention device. The utility model discloses a piston ring dismantles mounting tool realizes the convenience installation of piston ring through preventing resetting means.

The Chinese invention patent (publication number: CN 11251250A) discloses a mounting tool and a mounting method for a piston oil ring of an internal combustion engine, which comprises the following steps: the tool comprises a left half part, a short connecting pipe, a right half part and a connecting pin shaft, wherein the cross sections of the left half part and the right half part are semicircular, the short connecting pipe which is matched with each other is fixed on the left half part and the right half part respectively, the connecting pin shaft penetrates through the short connecting pipe on the left half part and the right half part to connect the left half part and the right half part together to form a conical cylinder, the inner diameter of an upper port of the conical cylinder is matched with the diameter of a piston of an internal combustion engine, and the inner diameter of a lower port of the conical cylinder is larger than the inner diameter. The invention aims to complete the installation of the piston ring in a narrow space and improve the working efficiency.

The disclosures relate to an auxiliary tool or method for quickly and conveniently mounting a piston ring on a piston, but relate to the piston ring and the piston which are put into a sleeve cylinder after being mounted, the piston ring is not damaged, and the position of the piston ring and a piston groove is accurately corresponded.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides an appurtenance for compressor piston installation utilizes the holder of setting to realize advancing the cover jar with the piston installation after, and the piston ring cover is established the degree of accuracy in the piston recess of piston, improves the installation effectiveness, reduces the economic loss who arouses because of the dislocation of piston ring.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides an appurtenance for compressor piston installation, appurtenance include two symmetrical arrangement's holder, two holders pass through locking mechanism and connect, the holder be the semi-cylindrical structure that arc portion and fixed part are constituteed, arc portion is half circular arc, the fixed part is established in arc portion width direction's both sides, forms the cylinder through-hole that is used for placing the piston between two arc portions, is equipped with the regulation slot hole that is used for adjusting piston ring position along its length direction in the arc portion.

Furthermore, the locking mechanism comprises fixing through holes arranged on the fixing part, the fixing through holes on the two clamping pieces correspond to each other, and the two clamping pieces are locked and fixed through a penetrating bolt and a matched locking nut.

Furthermore, the fixing through holes are arranged in the length direction of the fixing part at equal intervals.

Preferably, the two long adjusting holes are distributed on two sides of the arc top of the arc part.

Preferably, the clamping piece formed by the arc-shaped part and the fixing part is of an integrated structure.

Further, this appurtenance still includes spacing drum, lies in between compressor cover cylinder and the holder during spacing drum installation, spacing drum axial one side be equipped with the cover cylinder one end spacing complex cover cylinder annular of compressor, its axial opposite side be equipped with the holder one end spacing complex holder annular, cover cylinder annular and holder annular are through the central through-hole intercommunication that sets up, and the diameter of central through-hole is the same with the diameter of piston and the internal diameter of cover cylinder.

Furthermore, one end of a sleeve cylinder ring groove of the limiting cylinder is provided with a plurality of radial threaded holes which are uniformly distributed along the circumferential direction of the limiting cylinder.

The utility model discloses the beneficial effect who reaches as follows:

(1) the utility model discloses in, utilize the holder that sets up, formed the cylinder through-hole that is used for placing the piston, carrying out the piston and installing to the cover jar in-process, can improve the degree of accuracy that the piston ring cover was established in the piston recess of piston after the installation, improved the installation effectiveness, reduced the economic loss because of the dislocation of piston ring arouses.

(2) The locking mechanism can realize the detachable connection of the two clamping pieces, so that the flexibility and the convenience of the auxiliary tool during use are improved;

(3) the adjusting long hole arranged on the arc part can adjust the position of the piston ring sleeved on the adjusting long hole in real time in the process that the piston enters the sleeve cylinder, so that the accuracy of the piston ring sleeved in the piston groove after the piston enters the sleeve cylinder is improved;

(4) the limiting cylinder is arranged, so that the sleeve cylinder and the clamping piece can be accurately butted, and the piston is ensured to be accurately pushed into the sleeve cylinder by the clamping piece;

(5) the radial threaded hole arranged on the limiting cylinder can be matched with a bolt to fasten the sleeve cylinder, so that the sleeve cylinder is prevented from sliding relative to the clamping piece in the pushing process of the piston.

Drawings

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

FIG. 2 is a front view of the present invention;

FIG. 3 is a top view of the clamp;

FIG. 4 is a front view of a piston ring in an installed condition;

FIG. 5 is a left side view of the spacing cylinder;

FIG. 6 is a right side view of the spacing cylinder;

fig. 7 is a sectional view of the restraining cylinder in its axial direction.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.

It should be understood that the structures, ratios, sizes, and the like shown in the drawings are only used for matching the disclosure of the present disclosure, and are not used for limiting the conditions of the present disclosure, so that the present disclosure is not limited to the technical essence, and any modifications of the structures, changes of the ratios, or adjustments of the sizes, can still fall within the scope of the present disclosure without affecting the function and the achievable purpose of the present disclosure.

In addition, the terms such as "upper", "lower", "left", "right", "front", "rear", "middle" and "one" used in the present specification are used for clarity of description, and are not intended to limit the scope of the present invention, and changes or modifications in the relative relationship may be made without substantial technical changes.

With reference to fig. 1 to 7, an appurtenance for compressor piston installation, appurtenance include two to propping the holder of arrangement, two holders pass through locking mechanism and connect, the holder constitute the half-cylinder structure for arc portion 11 and fixed part 12, arc portion 11 is half-circular arc, fixed part 12 is established in the both sides of 11 width direction of arc portion, forms the cylinder through-hole 2 that is used for placing the piston between two arc portions 11, is equipped with the regulation slot hole 6 that is used for adjusting the piston ring position along its length direction on the arc portion 11.

Furthermore, the locking mechanism comprises fixing through holes 3 arranged on the fixing part 12, the fixing through holes 3 on the two clamping pieces correspond to each other, and the two clamping pieces are locked and fixed through the penetrating bolts 4 and the matched locking nuts 5.

Further, in order to ensure the stability of locking and fixing of the two clamping pieces, the fixing through holes 3 are arranged in the length direction of the fixing portion 12 at equal intervals.

The two long adjusting holes 6 are distributed on two sides of the arc top of the arc-shaped part 11, so that the adjusting efficiency and accuracy of the position of the piston ring are improved.

Preferably, the clamping piece composed of the arc-shaped part 11 and the fixing part 12 is of an integrated structure, so that the convenience of manufacture can be improved.

Further, this appurtenance still includes spacing drum 10, is located between compressor cover cylinder 9 and the holder during spacing drum 10 installation, spacing drum 10 axial one side be equipped with the spacing complex cover cylinder annular 102 of compressor cover cylinder 9 one end, its axial opposite side is equipped with the spacing complex holder annular 103 of holder one end, cover cylinder annular 102 and holder annular 103 communicate through the central through-hole 101 that sets up, and the diameter of central through-hole 101 is the same with the diameter of piston 8 and the internal diameter of cover cylinder 9.

Further, the limiting cylinder 10 is provided with radial threaded holes 104 uniformly arranged along the circumferential direction at one end of the sleeve cylinder ring groove 102, and when the limiting cylinder is used, bolts penetrate through the threaded holes 104 to fasten the sleeve cylinder 9.

The utility model discloses a working process does:

step 1: taking out the piston 8 needing to replace the piston ring 7 from the sleeve cylinder 9, and removing the damaged piston ring 7;

step 2: sleeving a new piston ring 7 in a corresponding piston groove of a piston 8;

and step 3: loosening a locking nut 5 of the auxiliary tool, and placing the piston provided with the piston ring 7 in the cylindrical through hole 2 of the auxiliary tool;

and 4, step 4: tightening the locking nut 5;

and 5: one end of a sleeve cylinder 9 is inserted into a sleeve cylinder groove 102, one end of a clamping piece provided with a piston 8 is inserted into a clamping piece groove 103, and at the moment, a central through hole 101 of a limiting cylinder, a cavity of the sleeve cylinder 9 and a cylindrical through hole 2 are in one-to-one correspondence;

step 6: a bolt penetrates through the threaded hole 104, and is screwed tightly, so that one end of the bolt tightly props against the sleeve cylinder 9, and the sleeve cylinder 9 is prevented from being separated from the limiting cylinder 10 in the process of pushing the east piston 8;

step 7: the piston 8 is pushed to slowly enter the sleeve cylinder 9, and in the process, the piston ring can be adjusted in real time by utilizing a thinner tool through the adjusting long hole 6, so that the piston ring 7 entering the sleeve cylinder 9 is accurately corresponding to the piston groove of the piston 8.

The connection relationship and specific structure of the piston 8, the piston ring 7 and the sleeve 9 are disclosed in the art, and detailed description thereof is omitted.

Through this appurtenance, can improve the piston and get into the cover jar after, the piston ring is located the degree of accuracy in the piston recess, improves holistic work efficiency, reduces the installation in-process, because of the piston ring with the piston recess position economic loss that does not correspond and lead to.

The technical solution of the present invention is further described and explained in the above with reference to the specific implementation process, but the protection scope is not limited thereto. All equivalent modifications and variations that do not depart from the spirit and scope of the invention should be deemed to be covered by the appended claims.

Claims (7)

1. An appurtenance that is used for compressor piston installation characterized by: appurtenance include the holder of two symmetrical arrangement, two holders pass through locking mechanism and connect, the holder be the semi-cylindrical structure that arc portion and fixed part are constituteed, arc portion is half-circular arc, the both sides at arc portion width direction are established to the fixed part, form the cylinder through-hole that is used for placing the piston between two arc portions, be equipped with the regulation slot hole that is used for adjusting piston ring position along its length direction in the arc portion.

2. An auxiliary tool for compressor piston installation as claimed in claim 1, wherein: the locking mechanism comprises fixing through holes arranged on the fixing part, the fixing through holes on the two clamping pieces correspond to each other, and the two clamping pieces are locked and fixed through a penetrating bolt and a matched locking nut.

3. An auxiliary tool for compressor piston installation according to claim 2, wherein: the fixing through holes are arranged in the length direction of the fixing part at equal intervals.

4. An auxiliary tool for compressor piston installation as claimed in claim 1, wherein: the two adjusting long holes are distributed on two sides of the arc top of the arc part.

5. An auxiliary tool for compressor piston installation as claimed in claim 1, wherein: the clamping piece composed of the arc-shaped part and the fixing part is of an integrated structure.

6. An auxiliary tool for compressor piston mounting according to any one of claims 1 to 5, wherein: the compressor sleeve cylinder clamping device is characterized by further comprising a limiting cylinder, the limiting cylinder is located between the compressor sleeve cylinder and the clamping piece when installed, one axial side of the limiting cylinder is provided with a sleeve cylinder annular groove in limiting fit with one end of the compressor sleeve cylinder, the other axial side of the limiting cylinder is provided with a clamping piece annular groove in limiting fit with one end of the clamping piece, the sleeve cylinder annular groove and the clamping piece annular groove are communicated through a central through hole, and the diameter of the central through hole is the same as the diameter of the piston and the inner diameter of the sleeve cylinder.

7. An auxiliary tool for compressor piston installation according to claim 6, wherein: one end of a sleeve cylinder ring groove of the limiting cylinder is provided with a plurality of radial threaded holes which are uniformly distributed along the circumferential direction of the limiting cylinder.

Images