Piston ring assembly tool

Abstract

The utility model discloses a piston ring assembly tool, and relates to the technical field of piston ring assembly. The piston ring assembly tool comprises a base, the upper end face of the base is provided with a bearing device, the upper end face of the bearing device is provided with a limiting device for improving the stability of a piston during assembly, and the upper end face of the base is provided with a supporting device for convenient assembly. A piston ring is arranged in the supporting device, and an expanding device for expanding the piston ring is arranged on the upper end face of the supporting device. The gap of the piston ring is expanded through the expansion device, then the piston is placed on the bearing device, and the piston on the bearing device is limited through the limiting device, so that the stability of the piston during assembly of the piston ring is improved, and then the movable end of the piston is moved away from the gap of the piston ring through the expansion device. And the piston ring is shrunk to the groove of the piston, so that the assembly efficiency of the piston ring is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to piston ring assembly technical field, concretely relates to a piston ring assembly tool. BACKGROUND

[0002] Piston ring is a metal ring for embedding inside the piston groove, and piston ring is divided into two kinds: compression ring and oil ring. The compression ring can be used to seal the combustible mixture in the combustion chamber; the oil ring is used to scrape off the excess oil on the cylinder. The piston ring is a metal elastic ring with a large outward expansion deformation, which is assembled into the corresponding annular groove. The reciprocating and rotating piston ring forms a seal between the outer circular surface of the ring and the cylinder and the side of the ring and the ring groove, depending on the pressure difference of the gas or liquid.

[0003] The existing piston ring is installed on the piston, and the installer usually installs the piston ring in the groove of the piston by manual method. This installation method requires the installer to have certain experience and ability, and thus the installation efficiency is low.

[0004] Therefore, the utility model provides a piston ring assembly tool. UTILITY MODEL CONTENTS

[0005] The utility model discloses a kind of piston ring assembly tools, including base, the upper end surface of the base is provided with the support device of being placed with the piston to be installed, the upper end surface of the support device is provided with the stability limiting device when lifting piston is assembled, the upper end surface of the base is provided with the supporting device of being conveniently assembled, the inside of the supporting device is provided with piston ring, the upper end surface of the supporting device is provided with the expansion device of being expanded to piston ring.

[0006] The utility model discloses a kind of piston ring assembly tools, including base, the upper end surface of the base is provided with the support device of being placed with the piston to be installed, the upper end surface of the support device is provided with the stability limiting device when lifting piston is assembled, the upper end surface of the base is provided with the supporting device of being conveniently assembled, the inside of the supporting device is provided with piston ring, the upper end surface of the supporting device is provided with the expansion device of being expanded to piston ring.

[0007] The utility model discloses a kind of piston ring assembly tools, including base, the upper end surface of the base is provided with the support device of being placed with the piston to be installed, the upper end surface of the support device is provided with the stability limiting device when lifting piston is assembled, the upper end surface of the base is provided with the supporting device of being conveniently assembled, the inside of the supporting device is provided with piston ring, the upper end surface of the supporting device is provided with the expansion device of being expanded to piston ring.

[0008] Further, the support device includes support column and support seat, the support column is fixedly installed on the upper end surface of base, and the support seat is fixedly installed on the upper end surface of base.

[0009] Further, the limiting device includes support frame, electric push rod, support plate and elastic band, the support frame is fixedly installed on the upper end surface of support column, the electric push rod is fixedly installed in support frame, the support plate is fixedly installed on the movable end of electric push rod, and the elastic band is fixedly installed on the opposite side wall of support plate.

[0010] Further, the supporting device comprises an adjusting seat, a mounting seat, a limiting knob and a limiting rod, the adjusting seat is fixedly installed on the upper end face of the base, the mounting seat is slidingly installed in the adjusting seat, the upper end face of the mounting seat is provided with a placing groove, the left and right side walls of the mounting seat are provided with fixing holes, and the front and rear side walls of the mounting seat are provided with limiting grooves.

[0011] Further, the supporting device comprises a limiting rod, the limiting rod is fixedly installed in the adjusting seat, and the limiting rod is in sliding connection with the limiting grooves of the mounting seat.

[0012] Further, the expanding device comprises a sliding column, a first motor, a threaded rod, a lifting plate, a second motor and an expanding block, the sliding column is fixedly installed on the upper end face of the mounting seat, the first motor is fixedly installed on the upper end face of the sliding column, the threaded rod is fixedly installed at the rotating end of the first motor, the lifting plate is slidingly installed in the sliding column, the lifting plate is in threaded connection with the threaded rod, the second motor is fixedly installed on the lower end face of the lifting plate, and the expanding block is fixedly installed at the rotating end of the second motor.

[0013] The piston ring is placed into the supporting device in sequence, the gap of the piston ring is expanded through the expanding device, then the piston is placed on the supporting device, and the piston on the supporting device is limited through the limiting device, so that the stability of the piston when assembling the piston ring is improved.

[0014] Firstly, the groove position on the piston is measured, then the supporting device is adjusted and fixed, then the piston ring is placed into the supporting device in sequence, the gap of the piston ring is expanded through the expanding device, then the piston is placed on the supporting device, and the piston on the supporting device is limited through the limiting device, so that the stability of the piston when assembling the piston ring is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 is a three-dimensional structure schematic view of the utility model;

[0016] Fig. 2 is a partial structure schematic view of the utility model;

[0017] Fig. 3 is a partial structure explosion drawing of the utility model;

[0018] Label: 1, base; 2, supporting device; 201, support column; 202, supporting seat; 3, limiting device; 301, support frame; 302, electric push rod; 303, support plate; 304, elastic belt; 4, supporting device; 401, adjusting seat; 402, mounting seat; 403, limiting knob; 404, limiting rod; 5, piston ring; 6, expansion device; 601, sliding column; 602, motor one; 603, threaded rod; 604, lifting plate; 605, motor two; 606, expansion block. DETAILED DESCRIPTION

[0019] To make the objects, technical solutions, and advantages of the embodiments of the present application clearer, the following will be a clear and complete description of the technical solutions in the embodiments of the present application with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0020] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without making creative efforts fall within the scope of protection of the present application.

[0021] It should be noted that: similar labels and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0022] In the description of the embodiments of the present application, it should be noted that the directions or position relationships indicated by the terms "inner", "outer", "upper", etc. are based on the directions or position relationships shown in the drawings, or the directions or position relationships commonly placed when the product of the present application is used, which are only for the convenience of describing the present application and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a particular direction, be constructed and operated in a particular direction, therefore, cannot be understood as a limitation on the present application.

[0023] Please refer to Figs. 1-3The utility model provides a piston ring assembly tool, including base 1, the upper end surface of base 1 is provided with the support device 2 of being convenient for placing the piston to be installed, the upper end surface of support device 2 is provided with the stability limiting device 3 when lifting piston is assembled, the upper end surface of base 1 is provided with the support device 4 of being convenient for assembly, the inside of support device 4 is provided with piston ring 5, the upper end surface of support device 4 is provided with the expansion device 6 of the expansion of piston ring 5.

[0024] Specifically: first, measure the groove position on the piston, then adjust and fix the support device 4, then place the piston ring 5 into the support device 4 in turn, and expand the gap of the piston ring 5 through the expansion device 6, then place the piston on the support device 2, and limit the piston on the support device 2 through the limiting device 3, thereby improving the stability of the piston during assembly of the piston ring 5, then move the movable end of the expansion device 6 away from the gap of the piston ring 5, and let the piston ring 5 shrink into the groove of the piston, thereby improving the efficiency of the piston ring 5 during assembly.

[0025] The support device 2 includes a support column 201 and a support seat 202, the support column 201 is fixedly installed on the upper end surface of the base 1, and the support seat 202 is fixedly installed on the upper end surface of the base 1.

[0026] Specifically: the support seat 202 is limited by cooperating with the limiting device 3, thereby limiting the piston.

[0027] The limiting device 3 includes a support frame 301, an electric push rod 302, a support plate 303 and an elastic belt 304, the support frame 301 is fixedly installed on the upper end surface of the support column 201, the electric push rod 302 is fixedly installed in the support frame 301, the support plate 303 is fixedly installed on the movable end of the electric push rod 302, and the elastic belt 304 is fixedly installed on the opposite side walls of the support plate 303.

[0028] Specifically: the support plate 303 and the elastic belt 304 are driven by the electric push rod 302 to move downward, so that the elastic belt 304 limits the piston in the support seat 202, thereby improving the stability of the piston during assembly.

[0029] The support device 4 includes an adjusting seat 401, a mounting seat 402, a limiting knob 403 and a limiting rod 404, the adjusting seat 401 is fixedly installed on the upper end surface of the base 1, the mounting seat 402 is slidingly installed in the adjusting seat 401, the upper end surface of the mounting seat 402 is provided with a placing groove, the left and right side walls of the mounting seat 402 are provided with fixing holes, the front and rear side walls of the mounting seat 402 are provided with limiting grooves, and the limiting knob 403 is installed in the fixing hole of the mounting seat 402.

[0030] Specifically, the mounting seat 402 is adjusted in the adjusting seat 401 to slightly adjust according to the groove position of different types of pistons, and after adjustment, the mounting seat 402 is fixed in the adjusting seat 401 by the limiting knob 403, the placing groove of the mounting seat 402 can place the piston ring 5 inside, and then cooperate with the expansion device 6 to facilitate installation.

[0031] The supporting device 4 includes a limiting rod 404 fixedly installed in the adjusting seat 401, and the limiting rod 404 is in sliding connection with the limiting groove of the mounting seat 402.

[0032] Specifically, the mounting seat 402 is further limited by the limiting rod 404 to improve the stability of the mounting seat 402 during operation.

[0033] The expansion device 6 includes a sliding column 601, a motor one 602, a threaded rod 603, a lifting plate 604, a motor two 605, and an expansion block 606, the sliding column 601 is fixedly installed on the upper end face of the mounting seat 402, the motor one 602 is fixedly installed on the upper end face of the sliding column 601, the threaded rod 603 is fixedly installed on the rotating end of the motor one 602, the lifting plate 604 is slidingly installed in the sliding column 601, the lifting plate 604 is in threaded connection with the threaded rod 603, the motor two 605 is fixedly installed on the lower end face of the lifting plate 604, and the expansion block 606 is fixedly installed on the rotating end of the motor two 605.

[0034] Specifically, first, the threaded rod 603 is driven to rotate by the motor one 602, then the lifting plate 604 is driven to move downward by the threaded rod 603, then the expansion block 606 is driven to rotate by the motor two 605, then the operator manually aligns the gap of the piston ring 5 with the expansion block 606, so as to expand the gap of the piston ring 5 by the expansion block 606, thereby facilitating installation.

[0035] In summary:

[0036] First of all, the groove position on the piston is measured, then the support device 4 is adjusted and fixed, then the piston ring 5 is placed in the support device 4 in turn, and the gap of the piston ring 5 is expanded by the expansion device 6, then the piston is placed on the supporting device 2, and the piston on the supporting device 2 is limited by the limiting device 3, thereby improving the stability of the piston when assembling the piston ring 5, then the movable end of the expansion device 6 is moved away from the gap of the piston ring 5, and the piston ring 5 is shrunk into the groove of the piston, thereby improving the efficiency of the piston ring 5 during assembly, the supporting seat 202 is limited by the limiting device 3, thereby limiting the piston, the supporting plate 303 and the elastic belt 304 are driven downward by the electric push rod 302, thereby limiting the piston in the supporting seat 202 by the elastic belt 304, thereby improving the stability of the piston during assembly, the installation seat 402 is adjusted in the adjusting seat 401, thereby achieving slight adjustment according to the groove position of different types of pistons, and the installation seat 402 is fixed in the adjusting seat 401 by the limiting knob 403 after adjustment, the placement groove of the installation seat 402 can place the piston ring 5 in it, then cooperate with the expansion device 6 to achieve the purpose of convenient installation, and the installation seat 402 is further limited by the limiting rod 404, thereby improving the stability of the installation seat 402 during operation, first, the threaded rod 603 is driven to rotate by the motor one 602, then the lifting plate 604 is driven downward by the threaded rod 603, then the expansion block 606 is driven to rotate by the motor two 605, then the gap of the piston ring 5 is aligned with the expansion block 606 by manual operation, thereby expanding the gap of the piston ring 5 by the expansion block 606, thereby achieving the purpose of convenient installation.

[0037] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A piston ring assembly tool comprising a base (1), characterised in that, The upper end face of the base (1) is provided with a supporting device (2) for placing the piston to be installed, the upper end face of the supporting device (2) is provided with a limiting device (3) for stabilizing the piston during assembly, the upper end face of the base (1) is provided with a supporting device (4) for convenient assembly, the inside of the supporting device (4) is provided with a piston ring (5), and the upper end face of the supporting device (4) is provided with an expansion device (6) for expanding the piston ring (5).

2. A piston ring assembly tool as claimed in claim 1, wherein, The supporting device (2) comprises a supporting column (201) and a supporting seat (202), the supporting column (201) is fixedly installed on the upper end face of the base (1), and the supporting seat (202) is fixedly installed on the upper end face of the base (1).

3. A piston ring assembly tool as claimed in claim 2, wherein, The limiting device (3) comprises a supporting frame (301), an electric push rod (302), a supporting plate (303) and an elastic belt (304), the supporting frame (301) is fixedly installed on the upper end face of the supporting column (201), the electric push rod (302) is fixedly installed in the supporting frame (301), the supporting plate (303) is fixedly installed on the movable end of the electric push rod (302), and the elastic belt (304) is fixedly installed on the opposite side walls of the supporting plate (303).

4. The piston ring assembly tool of claim 1, wherein, The supporting device (4) comprises an adjusting seat (401), a mounting seat (402), a limiting knob (403) and a limiting rod (404), the adjusting seat (401) is fixedly installed on the upper end face of the base (1), the mounting seat (402) is slidingly installed in the adjusting seat (401), the upper end face of the mounting seat (402) is provided with a placing groove, the left and right side walls of the mounting seat (402) are provided with fixing holes, and the front and rear side walls of the mounting seat (402) are provided with limiting grooves.

5. A piston ring assembly tool as claimed in claim 4, wherein, The supporting device (4) comprises a limiting rod (404), the limiting rod (404) is fixedly installed in the adjusting seat (401), and the limiting rod (404) is in sliding connection with the limiting grooves of the mounting seat (402).

6. A piston ring assembly tool as defined in claim 4, wherein, The expansion device (6) comprises a sliding column (601), a motor one (602), a threaded rod (603), a lifting plate (604), a motor two (605) and an expansion block (606), the sliding column (601) is fixedly installed on the upper end face of the mounting seat (402), the motor one (602) is fixedly installed on the upper end face of the sliding column (601), the threaded rod (603) is fixedly installed on the rotating end of the motor one (602), the lifting plate (604) is slidingly installed in the sliding column (601), the lifting plate (604) is in threaded connection with the threaded rod (603), the motor two (605) is fixedly installed on the lower end face of the lifting plate (604), and the expansion block (606) is fixedly installed on the rotating end of the motor two (605).

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