Hydraulic oil cylinder bushing outer diameter dimension testing fixture

Abstract

The utility model relates to the technical field of detection tools, in particular to an outer diameter size detection tool for a hydraulic oil cylinder bushing, which comprises a pair of detection tools, detection grooves are arranged on end faces of the pair of detection tools far away from each other, and the detection grooves are used for detecting the outer diameter size of the hydraulic oil cylinder bushing. The two detection tools are inserted into the protection sleeve through the internal contraction assembly and the pushing assembly, the length of the whole detection tool can be reduced, the size is smaller, storage and carrying are more convenient, the detection tool and the detection groove can be protected more comprehensively through the protection sleeve, and the detection accuracy is prevented from being affected by impact deformation.

Description

Technical Field

[0001] This utility model relates to the field of inspection tool technology, and in particular to an inspection tool for the outer diameter of a hydraulic cylinder bushing. Background Technology

[0002] After the hydraulic cylinder bushing is manufactured, it is necessary to use a gauge to inspect the hydraulic cylinder bushing to determine whether its outer diameter is qualified.

[0003] Existing hydraulic cylinder bushing inspection tools, such as the hydraulic cylinder bushing outer diameter inspection tool disclosed in CN218238656U, include: an inspection tool, a protective part, and a drive part; the inspection tool is equipped with a protective part... This solves the problems of existing devices being easily bumped when placed, inconvenient to handle, affecting inspection efficiency, and the existing devices being easily damaged by accidental drops during use, thus affecting inspection accuracy.

[0004] However, the hydraulic cylinder bushing outer diameter gauge mentioned above uses sliding rods and support blocks for buffering and protection, but the limited protection positions make the protection insufficient, and the length is not short enough to affect the convenience of storage and carrying. Utility Model Content

[0005] The purpose of this utility model is to solve the shortcomings of existing technologies, such as limited protective positions resulting in insufficient protection and insufficient length affecting the convenience of storage and carrying, and to propose a hydraulic cylinder bushing outer diameter gauge.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] Design a hydraulic cylinder bushing outer diameter gauge, including a pair of gauges, wherein a detection groove is formed on the end face of the pair of gauges away from each other, and the detection groove is used to detect the outer diameter of the hydraulic cylinder bushing;

[0008] The outer walls of the two gauges are fitted with a protective sleeve, which is used to protect the pair of gauges;

[0009] The inner wall of the protective sleeve is provided with an inward retraction component, which is used to push the two gauges completely into the protective sleeve.

[0010] The top of the protective sleeve is provided with a pushing component, which is used to push the gauge and the detection slot out of the protective sleeve.

[0011] Furthermore, the inner shrinkage assembly includes a pair of limiting plates fixed on the inner wall of the protective sleeve and two limiting grooves respectively opened on the sides of a pair of gauges. The two limiting plates are slidably installed in the two limiting grooves. The end faces of the two limiting plates away from each other are fixedly connected to spring pieces located in the limiting grooves, and the end of the spring piece away from the corresponding limiting plate abuts against the gauge.

[0012] Further, the pushing assembly comprises a sliding groove formed in the top of the protective sleeve and a pushing plate fixed to the top of the gauge, and the pushing plate is slidingly installed in the sliding groove, and the top of the pushing plate is provided with a positioning structure.

[0013] Further, the positioning structure comprises a pushing spring fixed to the top of the pushing plate and a positioning groove formed in the top of the protective sleeve, the upper end of the pushing spring is fixedly connected with a positioning rod, and the positioning rod is matched with the positioning groove, and the front and rear ends of the positioning rod protrude from the pushing spring.

[0014] Further, the pushing spring comprises a mounting plate fixed to the top of the pushing plate, a rotating plate located at the top of the mounting plate, and a bending part for connecting the mounting plate and the rotating plate, and the bottom of the end of the mounting plate away from the bending part is fixedly connected with the positioning rod.

[0015] Further, the upper end surface of the rotating plate is integrally formed with a plurality of friction stripes for increasing the friction coefficient.

[0016] The hydraulic oil cylinder bushing outer diameter size gauge has the advantages that the existing whole gauge is cut off and divided into two gauges, the two gauges are inserted into the protective sleeve through the inner shrinking assembly and the pushing assembly, the length of the whole gauge is reduced, the volume is smaller, the storage and carrying are more convenient, and the gauge and the detection groove are more comprehensively protected by the protective sleeve, and the accuracy of detection is prevented from being affected by impact deformation. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic view of the utility model;

[0018] Figure 2 It is an A area enlarged view of the utility model;

[0019] Figure 3 It is a structural schematic view of the inner shrinking assembly of the utility model;

[0020] Figure 4 It is a structural schematic view of the gauge of the utility model.

[0021] In the drawing: 1, gauge; 2, detection groove; 3, protective sleeve; 4, inner shrinking assembly; 41, limiting plate; 42, limiting groove; 43, spring piece; 5, pushing assembly; 51, sliding groove; 52, pushing plate; 53, positioning structure; 531, pushing spring; 5311, mounting plate; 5312, rotating plate; 5313, bending part; 5314, friction stripe; 532, positioning groove; 533, positioning rod. DETAILED DESCRIPTION

[0022] Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model, obviously, the described embodiments are only some embodiments of the utility model, and not all embodiments.

[0023] Refer to Figures 1-4 For an embodiment of the utility model, it discloses a kind of hydraulic cylinder bushing outer diameter size gauge, including a pair of gauge 1, a pair of detection groove 2 is set on the end face of the gauge 1 away from each other, and detection groove 2 is used to detect the outer diameter size of hydraulic cylinder bushing;

[0024] The outer wall of two the gauge 1 is sleeved with a protective sleeve 3, and the protective sleeve 3 is used to protect the pair of gauge 1;

[0025] By cutting the existing whole gauge and dividing into two gauges 1, and inserting two gauges 1 from the two ends of protective sleeve 3 into protective sleeve 3, compared with prior art, two gauges 1 and detection groove 2 can be more comprehensively protected by protective sleeve 3, to prevent deformation of gauge 1 and detection groove 2 from being impacted when falling, so that the arc surface of deformed detection groove 2 cannot be completely matched with qualified hydraulic cylinder bushing, affecting the accuracy of detection, when not in use, the whole gauge cut and divided into two gauges 1 can be retracted into protective sleeve 3, and the length of the whole gauge is smaller than that of prior art, facilitating storage;

[0026] The inner wall of the protective sleeve 3 is provided with an inner retraction assembly 4, and the inner retraction assembly 4 is used to push two gauges 1 completely into the protective sleeve 3;

[0027] When not in use or accidentally falling, after not holding the gauge and releasing the push spring 531, two springs 43 in the inner retraction assembly 4 push two gauges 1 inward, so that two gauges 1 are close until completely retracted into protective sleeve 3, and detection groove 2 is hidden into protective sleeve 3, so as to comprehensively protect two gauges 1 by protective sleeve 3;

[0028] The top of the protective sleeve 3 is provided with a push assembly 5, and the push assembly 5 is used to push the gauge 1 and the detection groove 2 out of the protective sleeve 3;

[0029] When holding protective sleeve 3 and needing to pop out one end of gauge 1, and detecting through detection groove 2 on the popped out gauge 1, thumb pushes corresponding push spring 531, pushes push plate 52 in corresponding push assembly 5, so that push plate 52 drives corresponding gauge 1 to move outward, so as to expose detection groove 2, so as to match the arc surface of detection groove 2 with hydraulic cylinder bushing, observe whether the outer wall of hydraulic cylinder bushing matches the arc surface, and determine whether the outer diameter of hydraulic cylinder bushing is qualified.

[0030] In some embodiments, the retracting assembly 4 comprises a pair of limiting plates 41 fixed on the inner wall of the protective sleeve 3 and two limiting grooves 42 respectively formed on the side surfaces of the gauge 1, and the two limiting plates 41 are slidingly installed in the two limiting grooves 42 respectively, the end faces of the two limiting plates 41 away from each other are fixedly connected with the elastic sheets 43 located in the limiting grooves 42, and the end of the elastic sheet 43 away from the corresponding limiting plate 41 abuts against the gauge 1.

[0031] It should be noted that the pushing assembly 5 comprises a sliding groove 51 formed on the top of the protective sleeve 3 and a push plate 52 fixed on the top of the gauge 1, and the push plate 52 is slidingly installed in the sliding groove 51, and the top of the push plate 52 is provided with a positioning structure 53.

[0032] Further, the positioning structure 53 comprises a pushing elastic sheet 531 fixed on the top of the push plate 52 and a positioning groove 532 formed on the top of the protective sleeve 3, the upper end of the pushing elastic sheet 531 is fixedly connected with a positioning rod 533, and the positioning rod 533 cooperates with the positioning groove 532, and the front and rear ends of the positioning rod 533 protrude from the pushing elastic sheet 531.

[0033] After the gauge 1 is extended out by pushing the pushing elastic sheet 531 out with the thumb, the positioning rod 533 is aligned with the positioning groove 532, and then the rotating plate 5312 of the pushing elastic sheet 531 is pressed by the thumb, the bending part 5313 is deformed and the rotating plate 5312 is rotated, and the positioning rod 533 is inserted into the positioning groove 532, and the pushing elastic sheet 531 and the push plate 52 are prevented from moving left and right by the cooperation of the positioning rod 533 and the positioning groove 532, so as to position the extended gauge 1, and the rotating plate 5312 is prevented from returning to the original position by holding the pushing elastic sheet 531 with the hand holding the protective sleeve 3 and the thumb, so that the positioning rod 533 is separated from the positioning groove 532.

[0034] Specifically, the pushing elastic sheet 531 comprises a mounting plate 5311 fixed on the top of the push plate 52, a rotating plate 5312 located on the top of the mounting plate 5311, and a bending part 5313 for connecting the mounting plate 5311 and the rotating plate 5312, and the bottom end of the end of the mounting plate 5311 away from the bending part 5313 is fixedly connected with the positioning rod 533.

[0035] Among them, the upper end surface of the rotating plate 5312 is integrally formed with a plurality of friction stripes 5314 for increasing friction coefficient, the friction between the thumb and the rotating plate 5312 is increased by the friction stripes 5314, and the rotating plate 5312 is prevented from sliding when it is pushed.

[0036] Working mode; when working, the hand holds the protective sleeve 3 and pushes the rotating plate 5312 out with the thumb, so as to drive the pushing elastic sheet 531 and the push plate 52 to move out, and the gauge 1 is extended out and exposed to the detection groove 2.

[0037] The protective sleeve 3 is gripped again and the rotating plate 5312 is flattened, so that the rotating plate 5312 rotates and drives the positioning rod 533 to descend and insert into the positioning groove 532, and the extended gauge 1 is positioned through cooperation of the positioning rod 533 and the positioning groove 532;

[0038] The detection groove 2 is sequentially attached to the outer wall of a plurality of hydraulic cylinder bushings, the diameter of the arc surface of the detection groove 2 is consistent with the outer wall of the processed qualified hydraulic cylinder bushing and the outer diameter is the same, whether the outer diameter is qualified is determined by observing whether the arc surface of the detection groove 2 and the outer wall of the hydraulic cylinder bushing are completely consistent;

[0039] When not in use or falling, the push spring 531 is restored out of the hand and drives the positioning rod 533 to be separated from the positioning groove 532 through the rotating plate 5312, the positioning of the gauge 1 is released, the gauge 1 is completely retracted into the protective sleeve 3 under the action of the spring 43, and the impact damage to the gauge 1 and the detection groove 2 is prevented, and the length of the gauge is reduced.

[0040] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A gauge for the outer diameter of a hydraulic cylinder bushing, comprising a pair of gauges (1), characterized in that: A pair of inspection tools (1) have inspection grooves (2) on their end faces away from each other, and the inspection grooves (2) are used to inspect the outer diameter of the hydraulic cylinder bushing; The outer walls of the two gauges (1) are fitted with a protective sleeve (3), and the protective sleeve (3) is used to protect the pair of gauges (1); The inner wall of the protective sleeve (3) is provided with an inward retraction component (4), and the inward retraction component (4) is used to push the two gauges (1) completely into the protective sleeve (3); The top of the protective sleeve (3) is provided with a pushing component (5), which is used to push the gauge (1) and the detection groove (2) out of the protective sleeve (3).

2. The hydraulic cylinder bushing outer diameter gauge according to claim 1, characterized in that: The inner shrinkage component (4) includes a pair of limiting plates (41) fixed on the inner wall of the protective sleeve (3) and two limiting grooves (42) respectively opened on the side of a pair of gauges (1). The two limiting plates (41) are slidably installed in the two limiting grooves (42). The end faces of the two limiting plates (41) away from each other are fixedly connected to spring pieces (43) located in the limiting grooves (42), and the end of the spring piece (43) away from the corresponding limiting plate (41) abuts against the gauge (1).

3. The hydraulic cylinder bushing outer diameter gauge according to claim 1, characterized in that: The pushing assembly (5) includes a groove (51) opened on the top of the protective sleeve (3) and a push plate (52) fixed on the top of the gauge (1), and the push plate (52) is slidably installed in the groove (51), and the top of the push plate (52) is provided with a positioning structure (53).

4. A hydraulic cylinder bushing outer diameter gauge according to claim 3, characterized in that: The positioning structure (53) includes a push spring (531) fixed to the top of the push plate (52) and a positioning groove (532) opened on the top of the protective sleeve (3). The upper end of the push spring (531) is fixedly connected to a positioning rod (533), and the positioning rod (533) cooperates with the positioning groove (532). The front and rear ends of the positioning rod (533) protrude from the push spring (531).

5. A hydraulic cylinder bushing outer diameter gauge according to claim 4, characterized in that: The push spring (531) includes a mounting plate (5311) fixed to the top of the push plate (52), a rotating plate (5312) located on the top of the mounting plate (5311), and a bent portion (5313) for connecting the mounting plate (5311) and the rotating plate (5312). The bottom of the end of the mounting plate (5311) away from the bent portion (5313) is fixedly connected to a positioning rod (533).

6. A hydraulic cylinder bushing outer diameter gauge according to claim 5, characterized in that: The upper surface of the rotating plate (5312) is integrally formed with several friction stripes (5314) to increase the coefficient of friction.

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