CN213600048U - Detection measuring tool for measuring depth of deep hole - Google Patents

Abstract

The utility model belongs to the field of auxiliary devices for processing deep hole products, in particular to a measuring tool for measuring the depth of a deep hole, which comprises an inner rod and a slide rod arranged on the inner rod in a guiding and sliding way, wherein the inner bar is hinged with a first supporting rod, the slide bar is hinged with a second supporting rod, the first supporting rod is hinged with the second supporting rod, when in operation, the sliding rod is pushed to move along the direction of the central axis, the distance between the hinge point on the inner rod and the hinge point on the sliding rod is changed, so that the inclination angles of the first supporting rod and the second supporting rod are correspondingly changed, thereby realizing the adjustment of the distance between the hinge point between the first supporting rod and the second supporting rod and the axis of the inner rod, in order to realize the pore wall contact cooperation with not unidimensional, the utility model provides a detection volume has convenient operation, the strong, the wide characteristics of adaptability of assembly stability.

Description

Detection measuring tool for measuring depth of deep hole

Technical Field

The utility model belongs to deep hole product processing auxiliary device field, concretely relates to a measuring tool for measuring deep hole degree of depth.

Background

The characteristics of deep hole class product part are the hole depth, and hole processing is more difficult, and the detection of hole depth also has great difficulty, and this kind of part hole is mostly not processed or hole machining allowance is less, often uses the hole to carry out excircle processing earlier as the benchmark, carries out all the other manufacturing procedure after confirming the accurate benchmark, consequently just higher to the axial dimension required precision of hole, need guarantee this size precision, and effectual detection means is very important, and traditional detection method and existence are not enough as follows: (1) the depth vernier caliper is used for detection, and the special depth vernier caliper needs to be customized due to the larger hole depth, so that the manufacturing cost is higher, and the measurement operation needs to be carried out by experienced personnel in the using process, and the influence of human factors is larger; (2) the method comprises the steps of 'tool detection' on a numerically controlled lathe, detecting the depth of an inner hole by using a tool through coordinate display of the numerically controlled lathe, wherein the tool is influenced by the precision of the lathe to cause detection errors, the tool is influenced by human factors of operators to cause human errors, and the tool is easy to scratch the surface of a product during detection to cause surface flaws or defects of the product; (3) the three-coordinate measuring machine is used for detecting, processed products need to be sent to a laboratory for detection, the cost is high, the smoothness of the product processing process flow is affected, the products are unqualified, and the quality of the products is seriously affected by secondary clamping during repair.

In order to facilitate accurate measurement of hole depth in production and machining, a special measuring tool is adopted to measure the hole depth of a product in the prior art, for example, patent document with an authorization publication number of CN210892967U provides a detection tool for detecting the depth of a spark plug hole of an engine cylinder cover, the detection tool comprises a scale etched with a numerical value, a baffle is welded at the top of the scale, and a step hole plug is sleeved on the scale, wherein the step hole plug comprises a first half plug and a second half plug, the distance between the first half plug and the second half plug can be enlarged by mutually dragging the first half plug and the second half plug, the diameter of the step hole plug is controlled according to the actual diameter of the step hole, so that the step hole plug can be embedded, the detection tool can be supported in a deep hole, but when the detection tool is used, the detection tool needs to be taken out to be adjusted.

SUMMERY OF THE UTILITY MODEL

The utility model provides a measuring tool for measuring deep hole degree of depth to solve the problem that bearing structure is not convenient for adjust among the prior art.

The utility model discloses a detection measuring tool for measuring deep hole degree of depth adopts following technical scheme:

the utility model provides a measuring tool for measuring deep hole degree of depth, includes along the interior pole that the corresponding hole central axis direction that awaits measuring extends, the one end of interior pole has and awaits measuring the hole bottom conflict complex measurement location head, the other end have be used for with the drill way periphery complex locating piece of awaiting measuring the hole, its characterized in that, it has the slide bar to slide in the interior pole periphery, the slide bar be close to measure the one end of location head with be provided with location supporting mechanism between the interior pole, location supporting mechanism include with interior pole articulated first bracing piece, with slide bar articulated second bracing piece, articulated connection between first bracing piece, the second bracing piece, when the slide bar is led the direction and is slided on interior pole, can adjust the distance between pin joint between first bracing piece, the second bracing piece and the inner rod axis to realize with the pore wall contact cooperation of not unidimensional.

Furthermore, the sliding rod is of a sleeve structure which is arranged on the periphery of the inner rod in a penetrating mode.

Furthermore, a first fixed supporting block is arranged on the inner rod, and the first supporting rod is hinged to the first fixed supporting block so as to be hinged to the inner rod.

Furthermore, a second fixed supporting block is arranged on the inner rod, and the second supporting rod is hinged to the second fixed supporting block so as to be hinged to the sliding rod.

Further, the positioning block is fixedly arranged on the sliding rod.

Further, the measuring and positioning head is detachably connected with the inner rod through threads.

Furthermore, the positioning and supporting mechanisms are 4 groups which are uniformly distributed on the periphery of the inner rod at intervals.

Further, the positioning block is provided with a step structure matched with the hole opening of the hole to be measured.

The utility model has the advantages that:

the utility model provides a measuring tool includes interior pole, the slide bar of direction slip setting on interior pole, wherein, it has first bracing piece to articulate on the interior pole, it has the second bracing piece to articulate on the slide bar, and first bracing piece is connected with the second bracing piece is articulated, when the operation, promote the slide bar and remove along the central axis direction, the distance between the pin joint on the articulated point on the interior pole and the slide bar changes, make first bracing piece, the corresponding change takes place for the inclination of second bracing piece, and then realize adjusting first bracing piece, the distance between pin joint between the second bracing piece and the interior pole axis, in order to realize with the pore wall contact cooperation of unidimensional, can carry out adaptability at any time and adjust in the measurement process, the utility model provides a detection volume has convenient operation, assembly stability is strong, the wide characteristics of adaptability.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of an embodiment of the measuring tool of the present invention;

reference numerals:

1. the device comprises an inner rod, 11, a measuring positioning head, 2, a positioning block, 3, a sliding rod, 4, a workpiece, 5, a second fixed supporting block, 6, a first pin shaft, 7, a second supporting rod, 8, a second pin shaft, 9, a first supporting rod, 10, a first fixed supporting block, L and the depth of a hole of the workpiece.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention can be embodied in many other forms than those specifically described herein and similar modifications can be made by one skilled in the art without departing from the spirit and scope of the invention and, therefore, the invention is not limited to the embodiments of the substrate disclosed below.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and similar expressions are used herein for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1, a schematic structural diagram of a measuring tool for measuring a depth of a deep hole in an embodiment is shown, the measuring tool includes an inner rod 1 extending along a central axis of a corresponding hole to be measured, one end of the inner rod 1 has a measuring positioning head 11 in abutting fit with a bottom of the hole to be measured, the other end has a positioning block 2 in fitting fit with an outer periphery of a hole opening of the hole to be measured, a sliding rod 3 slides on the outer periphery of the inner rod 1, a positioning support mechanism is disposed between one end of the sliding rod 3 near the measuring positioning head 11 and the inner rod 1, the positioning support mechanism includes a first support rod 9 hinged to the inner rod 1 and a second support rod 7 hinged to the sliding rod 3, the first support rod 9 and the second support rod 7 are hinged to each other, when the sliding rod 3 slides on the inner rod 1 in a guiding manner, a distance between a hinge point between the first support rod 9 and the second support rod 7, to achieve a contact fit with different sized bore walls.

The sliding rod 3 is a sleeve structure which is arranged on the periphery of the inner rod 1 in a penetrating way. Specifically, the slide rod 3 is provided with a cavity with two open ends, the inner diameter of the cavity is matched with the size of the inner rod 1, and the inner rod 1 is arranged in the cavity. Of course, in other embodiments, the sliding rod 3 may be a rod-shaped structure arranged parallel to the inner rod 1.

The inner rod 1 is provided with a first fixed supporting block 10, and the first supporting rod 9 is hinged with the first fixed supporting block 10 so as to be hinged on the inner rod 1; the inner rod 1 is provided with a second fixed supporting block 5, and a second supporting rod 7 is hinged to the second fixed supporting block 5 to be hinged to the sliding rod 3. The corresponding fixed supporting block is arranged, more reasonable assembling space can be provided, and the installation pin is convenient to realize the hinged assembly of the corresponding supporting rod.

The positioning block 2 is fixedly arranged on the sliding rod 3, and then the positioning block is arranged on the detection measuring tool.

The measuring and positioning head 11 is detachably connected with the inner rod 1. Specifically, one end of the measurement positioning head 11 is provided with a thread groove, and one end of the inner rod 1 assembled with the measurement positioning head 11 is provided with an external thread. The two realizes releasable connection through screw-thread fit, has the characteristics of being convenient for process, operate succinct.

In order to be able to prevent the measuring standard from tilting during the reading of data by stably placing the inner rod 1 in the hole to be measured. The positioning and supporting mechanisms are 4 groups which are uniformly distributed on the periphery of the inner rod 1 at intervals.

In order to further improve the stability of the assembly, the positioning block 2 has a stepped structure that cooperates with the aperture of the hole to be measured. Specifically, the part with the smaller size on the positioning block 2 is deep into the hole to be measured, and an operator can judge whether the depth of the inner hole of the product in the same model batch meets the processing requirement by measuring the distance between the end face of the orifice and the part with the larger size of the positioning block 2 and comparing the measured distance with preset data.

Adopt the utility model provides a detection measuring tool carries out the operation and has following advantage:

the detection measuring tool is used for detecting the depth of the inner hole of the deep-hole product, the depth of the inner hole can be detected at any time in the machining process of a workpiece, the depth size of the inner hole can be adjusted at any time in the machining process, the workpiece does not need to be disassembled, and the machining efficiency is greatly improved;

the parts such as the positioning block and the like with corresponding specifications can be replaced according to different depths and diameters of deep hole products, and the application range is wide;

each part of the measuring tool device for measuring the depth of the deep hole is convenient and quick to process and replace, and the cost is low;

the worker can conveniently and quickly detect the workpiece in operation without repeated measurement, so that the labor intensity of the worker is reduced.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (8)

1. The utility model provides a measuring tool for measuring deep hole degree of depth, includes along the interior pole that the corresponding hole central axis direction that awaits measuring extends, the one end of interior pole has and awaits measuring the hole bottom conflict complex measurement location head, the other end have be used for with the drill way periphery complex locating piece of awaiting measuring the hole, its characterized in that, it has the slide bar to slide in the interior pole periphery, the slide bar be close to measure the one end of location head with be provided with location supporting mechanism between the interior pole, location supporting mechanism include with interior pole articulated first bracing piece, with slide bar articulated second bracing piece, articulated connection between first bracing piece, the second bracing piece, when the slide bar is led the direction and is slided on interior pole, can adjust the distance between pin joint between first bracing piece, the second bracing piece and the inner rod axis to realize with the pore wall contact cooperation of not unidimensional.

2. The measurement gauge according to claim 1, wherein: the sliding rod is of a sleeve structure which is arranged on the periphery of the inner rod in a penetrating mode.

3. The measurement gauge according to claim 1, wherein: the inner rod is provided with a first fixed supporting block, and the first supporting rod is hinged to the first fixed supporting block so as to be hinged to the inner rod.

4. The measurement gauge according to claim 3, wherein: the inner rod is provided with a second fixed supporting block, and the second supporting rod is hinged to the second fixed supporting block so as to be hinged to the sliding rod.

5. The measurement gauge according to claim 4, wherein: the positioning block is fixedly arranged on the sliding rod.

6. The measuring gauge according to any one of claims 1 to 5, wherein: the measuring and positioning head is detachably connected with the inner rod through threads.

7. The measurement gauge according to claim 6, wherein: the positioning and supporting mechanisms are 4 groups which are uniformly distributed on the periphery of the inner rod at intervals.

8. The measurement gauge according to claim 7, wherein: the positioning block is provided with a step structure matched with the hole opening of the hole to be measured.

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