Measuring plug for detecting circular opening of piston ring

Abstract

The utility model discloses a measuring plug for detecting a circular opening of a piston ring, which is applied to the field of engines and comprises a plug head, a telescopic rod is sleeved on the surface of the plug head in a sliding manner, a pressing head is sleeved on the inner wall of the telescopic rod in a sliding manner, one end of the pressing head is bolted with clamping rods, a spring is arranged between the clamping rods, and the spring is connected with the telescopic rod in a sliding manner. A clamping hole is formed in the surface of the chock plug; the pressing head is pressed to enable the clamping rod to move, the clamping rod moves to enable the clamping rod to be disengaged from the clamping hole, and the chock plug is taken down to be replaced, so that the purpose of replacing the chock plug can be achieved, the use cost is reduced, and the practicability and the applicability are improved; and the purpose of adjusting the length of the handle can be achieved in the mode that the extrusion cylinder moves downwards to loosen the compression rod to extrude the telescopic rod, the handle is adjusted to the needed length, and the extrusion cylinder is tightened, so that the practicability is improved, and use is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of engine, especially a kind of measuring plug for detecting piston ring round mouth. BACKGROUND

[0002] The working principle of piston ring is mainly relying on its elastic close in cylinder inner wall, form seal. When the high-pressure gas in cylinder enters the side gap and back gap of ring groove through the gap between piston and cylinder, gas pressure will be pressed on cylinder inner wall and ring groove, so as to realize sealing performance;When detecting piston ring, it needs to use measuring plug to carry out rapid detection, and measuring plug is a tool for quickly judging whether the gap is qualified, and whether the gap is within the allowable range can be judged by simple insertion operation.

[0003] The existing measuring plug cannot replace plug head, and the handle and plug head of general measuring plug are integral, so different sizes of measuring plugs are needed when using due to the different sizes of piston ring, and the entire measuring plug needs to be replaced when measuring piston ring of different sizes, which increases the cost of measurement, reduces practicality and applicability, and the length of handle cannot be adjusted, the length of handle of general measuring plug is fixed, and the length of handle cannot be adjusted according to actual needs during use, which reduces practicality and is inconvenient to use, in order to solve the above problems, a kind of measuring plug for detecting piston ring round mouth is provided. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of measuring plug for detecting piston ring round mouth, its advantage is that plug head can be replaced and the length of handle can be adjusted.

[0005] The above technical purpose of the utility model is realized by the following technical scheme: a kind of measuring plug for detecting piston ring round mouth, including plug head, the surface of the plug head is slidably connected with telescopic rod, the inner wall of the telescopic rod is slidably connected with pressing head, one end of the pressing head is hinged with clamping rod, spring is arranged between the clamping rod, the surface of the plug head is provided with clamping hole, and one end of the clamping rod is clamped in the clamping hole, the surface of the telescopic rod is slidably connected with handle, the surface of the handle is hinged with fixed cylinder, and the fixed cylinder is slidably connected with telescopic rod, the surface of the fixed cylinder is threadedly connected with extrusion cylinder, the surface of the fixed cylinder is hinged with compression rod, and the compression rod is located in the interior of extrusion cylinder.

[0006] The technical scheme is adopted, the clamping rod is moved by pressing the pressing head, the clamping rod is disengaged from the clamping hole by moving the clamping rod, the plug is removed and replaced, the purpose of replacing the plug is achieved, the use cost is reduced, the practicality and applicability are improved, the extrusion cylinder is moved downward by rotating the extrusion cylinder, the compression rod is loosened to extrude the telescopic rod by moving the extrusion cylinder downward, the handle is adjusted to the required length, the extrusion cylinder is tightened, the purpose of adjusting the length of the handle is achieved, the practicality is improved, and the use is facilitated.

[0007] The utility model further sets up: the surface of telescopic rod is printed with scale line.

[0008] The technical scheme is adopted, the clamping rod is moved by pressing the pressing head, the clamping rod is disengaged from the clamping hole by moving the clamping rod, the plug is removed and replaced, the purpose of replacing the plug is achieved, the use cost is reduced, the practicality and applicability are improved, the extrusion cylinder is moved downward by rotating the extrusion cylinder, the compression rod is loosened to extrude the telescopic rod by moving the extrusion cylinder downward, the handle is adjusted to the required length, the extrusion cylinder is tightened, the purpose of adjusting the length of the handle is achieved, the practicality is improved, and the use is facilitated.

[0009] The utility model further sets up: one end of clamping rod is wedge-shaped.

[0010] The technical scheme is adopted, the clamping rod is moved by pressing the pressing head, the clamping rod is disengaged from the clamping hole by moving the clamping rod, the plug is removed and replaced, the purpose of replacing the plug is achieved, the use cost is reduced, the practicality and applicability are improved, the extrusion cylinder is moved downward by rotating the extrusion cylinder, the compression rod is loosened to extrude the telescopic rod by moving the extrusion cylinder downward, the handle is adjusted to the required length, the extrusion cylinder is tightened, the purpose of adjusting the length of the handle is achieved, the practicality is improved, and the use is facilitated.

[0011] The utility model further sets up: the number of compression rod is four, and four compression rods are evenly distributed in the bottom of fixed cylinder.

[0012] The technical scheme is adopted, the clamping rod is moved by pressing the pressing head, the clamping rod is disengaged from the clamping hole by moving the clamping rod, the plug is removed and replaced, the purpose of replacing the plug is achieved, the use cost is reduced, the practicality and applicability are improved, the extrusion cylinder is moved downward by rotating the extrusion cylinder, the compression rod is loosened to extrude the telescopic rod by moving the extrusion cylinder downward, the handle is adjusted to the required length, the extrusion cylinder is tightened, the purpose of adjusting the length of the handle is achieved, the practicality is improved, and the use is facilitated.

[0013] The utility model further sets up: one end of compression rod is bonded with rubber pad.

[0014] The technical scheme is adopted, the clamping rod is moved by pressing the pressing head, the clamping rod is disengaged from the clamping hole by moving the clamping rod, the plug is removed and replaced, the purpose of replacing the plug is achieved, the use cost is reduced, the practicality and applicability are improved, the extrusion cylinder is moved downward by rotating the extrusion cylinder, the compression rod is loosened to extrude the telescopic rod by moving the extrusion cylinder downward, the handle is adjusted to the required length, the extrusion cylinder is tightened, the purpose of adjusting the length of the handle is achieved, the practicality is improved, and the use is facilitated.

[0015] The utility model further sets up: the surface of handle is fixed with antiskid sleeve.

[0016] The technical scheme is adopted, the clamping rod is moved by pressing the pressing head, the clamping rod is disengaged from the clamping hole by moving the clamping rod, the plug is removed and replaced, the purpose of replacing the plug is achieved, the use cost is reduced, the practicality and applicability are improved, the extrusion cylinder is moved downward by rotating the extrusion cylinder, the compression rod is loosened to extrude the telescopic rod by moving the extrusion cylinder downward, the handle is adjusted to the required length, the extrusion cylinder is tightened, the purpose of adjusting the length of the handle is achieved, the practicality is improved, and the use is facilitated.

[0017] The utility model further sets up: the bottom of plug is arc-shaped.

[0018] The technical scheme is adopted, the clamping rod is moved by pressing the pressing head, the clamping rod is disengaged from the clamping hole by moving the clamping rod, the plug is removed and replaced, the purpose of replacing the plug is achieved, the use cost is reduced, the practicality and applicability are improved, the extrusion cylinder is moved downward by rotating the extrusion cylinder, the compression rod is loosened to extrude the telescopic rod by moving the extrusion cylinder downward, the handle is adjusted to the required length, the extrusion cylinder is tightened, the purpose of adjusting the length of the handle is achieved, the practicality is improved, and the use is facilitated.

[0019] The utility model has the advantages of the following beneficial effects:

[0020] 1. The utility model discloses a mode that the plug is taken down and is replaced by the mode that the clamping rod is moved to make the clamping rod move, the clamping rod and the clamping hole are separated from the clamping, can reach the purpose that the plug is replaced, reduced use cost, improved practicality and applicability.

[0021] 2. The utility model discloses a mode that the handle is adjusted to the length that needs to the mode that the extruding cylinder is screwed tightly by the extruding cylinder and is moved down to make the extruding cylinder and move down, the pressure rod relaxes extruding to telescopic rod, can reach the purpose that the handle length is adjusted, improved practicality, convenient to use. DRAWINGS

[0022] Figure 1 It is the utility model structure perspective drawing;

[0023] Figure 2 It is the utility model structure section view;

[0024] Figure 3 It is the utility model local structure perspective drawing;

[0025] Figure 4 It is the utility model Figure 2 A place structure enlarged view in the utility model;

[0026] Figure 5 It is the utility model Figure 2 B place structure enlarged view in the utility model.

[0027] Reference signs: 1, plug;2, telescopic rod;3, press head;4, clamping rod;5, spring;6, clamping hole;7, handle;8, fixed cylinder;9, extruding cylinder;10, pressure rod;11, scale line;12, rubber pad;13, antiskid sleeve. SPECIFIC IMPLEMENTATION

[0028] The utility model will be further explained in detail below in connection with the drawings.

[0029] Reference Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5The utility model provides a kind of measuring plug for detecting piston ring round mouth, including plug head 1, the surface of plug head 1 is slidably sleeved with telescopic rod 2, the inner wall of telescopic rod 2 is slidably sleeved with pressing head 3, one end of pressing head 3 is bolted with clamping rod 4, spring 5 is arranged between clamping rod 4, plug head 1 is provided with clamping hole 6 on the surface, and one end of clamping rod 4 is clamped due to clamping hole 6, the surface of telescopic rod 2 is slidably sleeved with handle 7, the surface of handle 7 is bolted with fixed cylinder 8, and fixed cylinder 8 is slidably sleeved with telescopic rod 2, the surface of fixed cylinder 8 is threadedly connected with extrusion cylinder 9, the surface of fixed cylinder 8 is bolted with compression rod 10, and compression rod 10 is located in the inside of extrusion cylinder 9, by pressing pressing head 3, clamping rod 4 moves, clamping rod 4 moves, and clamping rod 4 is disengaged from clamping hole 6, and the purpose of replacing plug head 1 is achieved by removing plug head 1, which reduces use cost, improves practicality and applicability, by rotating extrusion cylinder 9, extrusion cylinder 9 moves downwards, extrusion cylinder 9 moves downwards, and compression rod 10 relaxes extrusion to telescopic rod 2, the purpose of adjusting the length of handle 7 is achieved by adjusting handle 7 to the length required, and extrusion cylinder 9 is tightened, which improves practicability and facilitates use.

[0030] Reference Figure 1 The surface of telescopic rod 2 is printed with scale line 11, which facilitates the adjustment of the length of handle 7 by setting scale line 11.

[0031] Reference Figure 4 One end of clamping rod 4 is wedge-shaped, which facilitates the fixation of plug head 1 by setting one end of clamping rod 4 to be wedge-shaped.

[0032] Reference Figure 3 There are four compression rods 10, and the four compression rods 10 are evenly distributed at the bottom of fixed cylinder 8, which improves the stability of fixation by setting the number of compression rods 10 to four, and the four compression rods 10 are evenly distributed at the bottom of fixed cylinder 8.

[0033] Reference Figure 3 And Figure 5 One end of compression rod 10 is bonded with rubber pad 12, which prevents damage to telescopic rod 2 and improves the fixation effect by setting rubber pad 12.

[0034] Reference Figure 1 And Figure 2 Anti-skid sleeve 13 is fixedly sleeved on the surface of handle 7, which prevents hand slipping and facilitates operation by setting anti-skid sleeve 13.

[0035] Reference Figure 2 The bottom of plug head 1 is arc-shaped, which facilitates the placement into the inside of piston ring and thus facilitates measurement by setting the bottom of plug head 1 to be arc-shaped.

[0036] Brief description of use process: press the pressing head 3, the pressing head 3 moves and drives the clamping rod 4 to move, the clamping rod 4 moves and makes the clamping rod 4 and the clamping hole 6 disengage, the plug head 1 is removed, the new plug head 1 is installed on the telescopic rod 2, the clamping rod 4 is clamped with the clamping hole 6 under the action of the spring 5, the plug head 1 is fixed, the replacement is completed, so that the plug head 1 is replaced conveniently; rotate the extrusion cylinder 9, the extrusion cylinder 9 rotates and makes the extrusion cylinder 9 move downwards, the extrusion cylinder 9 moves downwards and makes the inner wall of the extrusion cylinder 9 relax the extrusion of the compression rod 10, the compression rod 10 relaxes the extrusion of the telescopic rod 2 under the elastic action of itself, moves the handle 7, the handle 7 is moved to the required position, the extrusion cylinder 9 is reversely rotated, the extrusion cylinder 9 is reset, the extrusion cylinder 9 is reset and makes the inner wall of the extrusion cylinder 9 extrude the compression rod 10, the compression rod 10 extrudes the telescopic rod 2 and is compressed, is fixed, the adjustment is completed, so that the length of the handle 7 is adjusted.

[0037] The embodiment is only an explanation of the utility model, and is not a limitation of the utility model, and a person skilled in the art can make a modification without creative contribution according to the need after reading the specification, but as long as it is within the scope of the claims of the utility model, it is protected by the patent law.

Claims

1. A measuring plug for detecting the roundness of a piston ring eye, comprising a plug head (1), characterized in that The surface of the plug (1) is sleeved with a telescopic rod (2), the inner wall of the telescopic rod (2) is sleeved with a pressing head (3), one end of the pressing head (3) is connected with a clamping rod (4), springs (5) are arranged between the clamping rods (4), the surface of the plug (1) is provided with clamping holes (6), and one end of the clamping rod (4) is clamped by the clamping holes (6), the surface of the telescopic rod (2) is sleeved with a handle (7), the surface of the handle (7) is connected with a fixing cylinder (8), the fixing cylinder (8) is sleeved with the telescopic rod (2), the surface of the fixing cylinder (8) is connected with an extrusion cylinder (9), the surface of the fixing cylinder (8) is connected with pressing rods (10), and the pressing rods (10) are located in the extrusion cylinder (9).

2. The measuring plug for detecting the round opening of a piston ring according to claim 1, characterized in that The surface of the telescopic rod (2) is printed with scale lines (11).

3. The measuring plug for detecting the roundness of a piston ring according to claim 1, wherein One end of the clamping rod (4) is wedge-shaped.

4. The ring segment of claim 2 wherein, The number of the pressing rods (10) is four, and the four pressing rods (10) are uniformly distributed on the bottom of the fixing cylinder (8).

5. The measuring plug for detecting the roundness of a piston ring according to claim 1, wherein One end of the pressing rod (10) is bonded with a rubber pad (12).

6. The ring segment of claim 1 wherein, The surface of the handle (7) is fixedly sleeved with a non-slip sleeve (13).

7. The ring segment of claim 1 wherein, The bottom of the plug (1) is arc-shaped.

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