Diameter measuring mechanism

Abstract

The utility model relates to a diameter measuring mechanism which comprises a supporting piece, a measuring piece arranged on the supporting piece, a first rod sliding in the supporting piece, a springback piece for springback of the first rod, a shifting rod for driving the first rod to press downwards, a measuring head abutting against the side wall of a hole and a torsional spring for resetting the position of the measuring head. A first groove is formed in the supporting piece; the first rod slides up and down in the first groove; a sleeve is arranged in the first groove; a first block is arranged on the first rod; the first rod is sleeved with the springback piece, one end of the springback piece abuts against the first block, and the other end of the springback piece abuts against the sleeve; the measuring end of the measuring piece penetrates through the sleeve; a second groove is formed in the first rod; the driving lever rotates on the supporting piece, and one end of the driving lever extends into the second groove; the shifting rod abuts against the top of the second groove. The problems of low inspection efficiency and poor accuracy due to the fact that no special inspection tool exists, manual spot inspection can only be depended on, and judgment is mainly depended on experience of inspectors through visual inspection are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of measurement especially relates to a diameter measuring mechanism. BACKGROUND

[0002] In prior art, in the production process of workpiece, a plurality of assembly holes are arranged on the workpiece, due to the equipment or human factors, the inner side wall of the sleeve is the assembly hole, which affects the use of the workpiece.

[0003] In order to avoid the defective product to flow to the market, the inner side wall of the assembly hole on the workpiece needs to be efficiently and accurately inspected in the delivery inspection process; there is no special inspection tool in prior art, which can only rely on artificial sampling inspection, and mainly relies on the experience of the inspector to judge by visual inspection, the inspection efficiency is low, and the accuracy is poor. UTILITY MODEL CONTENT

[0004] The embodiment of the application provides a diameter measuring mechanism, which solves the problem that there is no special inspection tool in prior art, which can only rely on artificial sampling inspection, and mainly relies on the experience of the inspector to judge by visual inspection, the inspection efficiency is low, and the accuracy is poor.

[0005] The technical scheme adopted by the embodiment of the application is as follows.

[0006] A diameter measuring mechanism, comprising a support piece, a measuring piece arranged on the support piece, a first rod sliding in the support piece, a rebound piece rebounding the first rod, a push rod driving the first rod to press down, a measuring head abutting against the hole side wall, and a torsion spring resetting the position of the measuring head; a first groove is arranged in the support piece; the first rod slides up and down in the first groove; a sleeve is arranged in the first groove; a first block is arranged on the first rod; the rebound piece is sleeved on the first rod, one end of the rebound piece abuts against the first block, and the other end of the rebound piece abuts against the sleeve; the measuring end of the measuring piece penetrates the sleeve; a second groove is arranged on the first rod; the push rod rotates on the support piece, and one end of the push rod extends into the second groove; the push rod abuts against the top of the second groove; a first inclined surface is arranged on the bottom of the first rod; a second inclined surface is arranged on the measuring head; the first inclined surface is in contact with the second inclined surface; the torsion spring is arranged on one side of the measuring head; one end of the torsion spring pulls the measuring head.

[0007] As a further improvement of the above technical scheme: three groups of measuring heads are arranged in the circumferential array.

[0008] As a further improvement of the above technical scheme: a third block is arranged on the measuring head; the third block is in a columnar shape.

[0009] As a further improvement of the above technical scheme: the measuring piece is a dial indicator.

[0010] The one or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:

[0011] 1、Due to the cooperative action of the support, the measuring element, the first rod, the rebound element, the lever, the measuring head and the torsion spring, efficient and accurate detection of the inner side wall of the workpiece assembly hole is realized; compared with the prior art, the present application has the following beneficial effects; improvement of detection efficiency: the present application adopts a mechanized detection method, replacing the traditional manual sampling method, greatly improving the detection efficiency. The detection process is rapid, and a large number of workpiece detection tasks can be completed in a short time, effectively reducing the downtime of the production line and improving the production efficiency; improvement of detection accuracy: through the design of the precise measuring mechanism and the measuring head, the present application can accurately measure the diameter of the inner side wall of the assembly hole, avoiding the problem of inaccurate detection caused by human error or equipment limitations; three groups of measurement accuracy guarantee are provided; simple operation: the design of the present application considers the convenience of the operator, and the first rod is driven down by the lever, and the reset function of the torsion spring, so that the measurement process is simple and easy to operate, reducing the operation difficulty and improving the operation efficiency, thereby realizing rapid detection of the inner diameter of the hole. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 is a structural diagram of the diameter measuring mechanism in the present application.

[0013] Figure 2 is a sectional view of the diameter measuring mechanism in the present application.

[0014] In the figure: 1, support; 11, first groove; 12, sleeve; 2, measuring element; 3, first rod; 31, first block; 32, first inclined surface; 33, second groove; 4, rebound element; 5, lever; 6, measuring head; 61, second inclined surface; 7, torsion spring; 8, third block. DETAILED DESCRIPTION

[0015] The embodiments of the present application provide a diameter measuring mechanism, which solves the problem that there is no special inspection tool in the prior art, and only manual sampling can be relied on, and the inspection efficiency is low and the accuracy is poor.

[0016] The technical solutions in the embodiments of the present application are as follows

[0017] In order to better understand the above technical solutions, the above technical solutions will be described in detail in combination with the drawings of the specification and specific embodiments.

[0018] A diameter measuring mechanism, comprising a support 1, a measuring member 2 arranged on the support 1, a first rod 3 sliding in the support 1, a rebound member 4 rebounding the first rod 3, a push rod 5 driving the first rod 3 to press down, a measuring head 6 abutting against the hole side wall, and a torsion spring 7 resetting the position of the measuring head 6; a first groove 11 is arranged in the support 1; the first rod 3 slides up and down in the first groove 11; a sleeve 12 is arranged in the first groove 11; a first block 31 is arranged on the first rod 3; the rebound member 4 is sleeved on the first rod 3, and one end of the rebound member 4 abuts against the first block 31, and the other end of the rebound member 4 abuts against the sleeve 12; the measuring end of the measuring member 2 penetrates through the sleeve 12; a second groove 33 is arranged on the first rod 3; the push rod 5 rotates on the support 1, and one end of the push rod 5 extends into the second groove 33; the push rod 5 abuts against the top of the second groove 33; a first inclined surface 32 is arranged on the bottom of the first rod 3; a second inclined surface 61 is arranged on the measuring head 6; the first inclined surface 32 is in contact with the second inclined surface 61; the torsion spring 7 is arranged on one side of the measuring head 6; one end of the torsion spring 7 pulls the measuring head 6.

[0019] The measuring head 6 is circumferentially arranged with three groups.

[0020] A third block 8 is arranged on the measuring head 6; the third block 8 is in a columnar shape.

[0021] The measuring member 2 is a dial gauge.

[0022] Through the cooperation of the support 1, the measuring member 2, the first rod 3, the rebound member 4, the push rod 5, the measuring head 6 and the torsion spring 7, efficient and accurate detection of the inner side wall of the workpiece assembly hole is realized; compared with the prior art, the present application has the following beneficial effects; improvement of detection efficiency: the present application adopts a mechanized detection method, replacing the traditional manual sampling method, greatly improving the detection efficiency. The detection process is rapid, and a large number of workpiece detection tasks can be completed in a short time, effectively reducing the downtime of the production line and improving the production efficiency; improvement of detection accuracy: through the design of the precise measuring mechanism and the measuring head 6, the present application can accurately measure the diameter of the inner side wall of the assembly hole, avoiding the problem of inaccurate detection caused by human error or equipment limitations; at the same time, three groups are arranged to ensure the accuracy of measurement; simple operation: the design of the present application takes into account the convenience of the operator, through the push rod 5 driving the first rod 3 to press down, and the resetting function of the torsion spring 7, the measuring process is simple and easy to operate, reducing the operation difficulty and improving the operation efficiency.

[0023] Due to the cooperation of the support 1, the measuring piece 2, the first rod 3, the rebound piece 4, the push rod 5, the measuring head 6 and the torsion spring 7, the high-efficiency and accurate detection of the inner side wall of the workpiece assembly hole is realized; compared with the prior art, the present application has the following beneficial effects; the detection efficiency is improved: the present application adopts a mechanized detection method, replacing the traditional manual sampling method, greatly improving the detection efficiency. The detection process is rapid, and a large number of workpiece detection tasks can be completed in a short time, effectively reducing the downtime of the production line and improving the production efficiency; the detection accuracy is improved: through the design of the precise measuring mechanism and the measuring head 6, the present application can accurately measure the diameter of the inner side wall of the assembly hole, avoiding the problem of inaccurate detection caused by human error or equipment limitations; meanwhile, three groups of measurement accuracy guarantee are provided; the operation is simple: the design of the present application considers the operation convenience of the operator, through the downward pressing of the first rod 3 driven by the push rod 5 and the resetting function of the torsion spring 7, the measuring process is simple and easy to operate, the operation difficulty is reduced, the operation efficiency is improved, and the rapid detection of the hole diameter is realized.

[0024] Although the preferred embodiments of the present application have been described, those skilled in the art can make further changes and modifications to these embodiments once they know the basic inventive concept. Therefore, the appended claims are intended to be interpreted as including all the preferred embodiments and all the changes and modifications falling within the scope of the present application.

[0025] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application also intends to include these modifications and variations.

Claims

1. A diameter measuring mechanism, characterized in that, The device includes a support member (1), a measuring member (2) mounted on the support member (1), a first rod (3) sliding within the support member (1), a spring-loaded member (4) that springs back the first rod (3), a lever (5) that pushes the first rod (3) down, a probe (6) that abuts against the side wall of the hole, and a torsion spring (7) that resets the position of the probe (6); a first groove (11) is provided in the support member (1); the first rod (3) slides up and down within the first groove (11); a sleeve (12) is provided within the first groove (11); a first block (31) is provided on the first rod (3); the spring-loaded member (4) is sleeved on the first rod (3) and one end of the spring-loaded member (4) abuts against the first block (31). 1) The other end of the spring-loaded component (4) abuts against the sleeve (12); the measuring end of the measuring component (2) passes through the sleeve (12); a second groove (33) is provided on the first rod (3); the lever (5) rotates on the support component (1) and one end of the lever (5) extends into the second groove (33); the lever (5) abuts against the top of the second groove (33); a first inclined surface (32) is provided at the bottom of the first rod (3); a second inclined surface (61) is provided on the probe (6); the first inclined surface (32) contacts the second inclined surface (61); the torsion spring (7) is provided on one side of the probe (6); one end of the torsion spring (7) pulls the probe (6).

2. The diameter measuring mechanism as described in claim 1, characterized in that, The probe (6) has three sets of circumferential arrays.

3. The diameter measuring mechanism as described in claim 1, characterized in that, The probe (6) is provided with a third block (8); the third block (8) is columnar.

4. The diameter measuring mechanism as described in claim 1, characterized in that, The measuring device (2) is a dial indicator.

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