Portable height measuring instrument

Abstract

The utility model relates to the technical field of measuring instruments, and particularly discloses a portable height measuring instrument, which comprises a horizontal measuring table; the polished rod is vertically and detachably arranged on the horizontal measuring table; the height fine adjustment mechanism comprises an adjusting block, a bearing block, a fixing plate and two rotary knob screw rods, a first through cavity is vertically formed in the adjusting block, the first through cavity in the adjusting block is movably connected with the polish rod in an inserted mode, and threaded holes communicated with the first through cavity are formed in the two opposite sides of the adjusting block; the two knob screw rods are screwed into the two threaded holes respectively and abut against the polish rod, the bearing block is fixed to the adjusting block, and the fixing plate is perpendicularly fixed to one side of the bearing block; the non-contact displacement sensor is arranged on the inner side of the fixing plate and enables the laser emission head to face downwards, the device is simple in structure, an operator can conveniently carry the device or move the device at will to measure a product, damage or deformation of the product can be avoided, and the device has high practicability.

Description

Technical Field

[0001] The utility model relates to the technical field of detection instruments, in particular to a portable height measuring instrument. Background Art

[0002] Height measuring instruments are extremely common in the manufacturing industry. In the production process of many products, measuring product specifications is one of the important items in quality inspection. The height measuring instruments in the prior art have the following shortcomings:

[0003] (1) The equipment structure is relatively complex, which makes it difficult for operators to move the equipment at will and makes it difficult to operate;

[0004] (2) Contact measurement of the product can easily cause damage or deformation of the product;

[0005] In order to solve the above problems, the utility model discloses a portable height measuring instrument. Utility Model Content

[0006] In order to overcome the deficiencies of the prior art, the utility model discloses a portable height measuring instrument.

[0007] To achieve the above object, the utility model is implemented through the following technical solutions: a portable height measuring instrument, comprising:

[0008] Level measuring table;

[0009] A polished rod, which is detachably arranged vertically on a horizontal measuring platform;

[0010] A height fine-adjustment mechanism, the height fine-adjustment mechanism comprises an adjustment block, a receiving block, a fixing plate and two knob screws, a first through cavity is vertically opened inside the adjustment block, the first through cavity on the adjustment block is movably plugged with the light rod, threaded holes communicating with the first through cavity are opened on opposite sides of the adjustment block, the two knob screws are respectively screwed into the two threaded holes and abut against the light rod, the receiving block is fixed to the adjustment block, and the fixing plate is vertically fixed to one side of the receiving block;

[0011] A non-contact displacement sensor is arranged on the inner side of the fixing plate with the laser emitting head facing downward.

[0012] Further preferably, the level measuring platform is a granite platform.

[0013] Further preferably, a cover body fixed to the receiving block is arranged outside the fixing plate and the non-contact sensor, and the bottom of the cover body is opened.

[0014] It is further preferred that the base is further included, a second through cavity is vertically opened inside the base, the bottom end of the light rod is vertically interference-inserted in the base, and the base is fixed to the horizontal measuring platform by a plurality of pins.

[0015] Further preferably, a digital display is provided on the horizontal measuring platform, and the non-contact displacement sensor is electrically connected to the digital display.

[0016] Further preferably, the receiving block is a T-shaped structure, and the fixing plate is an L-shaped structure.

[0017] The utility model achieves the following beneficial effects:

[0018] The utility model has a simple structure and is convenient for operators to carry or move the product at will to measure the product. The non-contact displacement sensor can detect the height of each position on the surface of the product without contacting the product, which can avoid damage or deformation of the product and has strong practicality.

[0019] Other features and advantages of the utility model will be described in the following description, and partly become apparent from the description, or understood by implementing the utility model. The purpose and other advantages of the utility model can be realized and obtained through the structures indicated in the description and the drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The accompanying drawings herein are incorporated in and constitute a part of the specification, illustrate embodiments consistent with the disclosure of the utility model, and together with the description, are used to explain the principles of the disclosure.

[0021] Figure 1 It is a schematic diagram of the overall structure disclosed by the utility model;

[0022] Figure 2 This is a schematic diagram of the structure without the cover body disclosed in the utility model;

[0023] Figure 3 This is a schematic diagram of the light rod installation structure disclosed in the utility model;

[0024] Figure 4 It is a schematic diagram of the product structure disclosed by the utility model;

[0025] In the figure: 10, horizontal measuring table; 20, light rod; 30, height fine-tuning mechanism; 31, adjustment block; 32, receiving block; 33, knob screw; 34, fixing plate; 40, cover; 50, digital display; 60, product; 70, non-contact displacement sensor; 80, base; 90, pin. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0027] In the description of the present invention, it should be understood that terms such as "opening", "upper", "lower", "thickness", "top", "middle", "length", "inside", "all around" and the like indicating orientation or positional relationship are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0028] Example

[0029] In order to solve the problems that the traditional height measuring instrument is complicated in structure, inconvenient for operators to carry or move it at will, and the contact measurement of the product 60 may easily cause damage or deformation of the product 60, such as Figure 1-Figure 3 As shown, the present application discloses a portable height measuring instrument, comprising: a level measuring platform 10;

[0030] The polished rod 20 is vertically detachably arranged on the horizontal measuring platform 10. The horizontal measuring platform 10 is a granite platform. The horizontal measuring platform 10 made of such a material has a high hardness, is not easily damaged, and has a high levelness, which can ensure the measurement accuracy;

[0031] A height fine-adjustment mechanism 30 includes an adjustment block 31, a receiving block 32, a fixing plate 34 and two knob screws 33. A first through cavity (not shown) is vertically provided inside the adjustment block 31. The first through cavity on the adjustment block 31 is movably connected to the light rod 20. Threaded holes (not shown) communicating with the first through cavity are provided on opposite sides of the adjustment block 31. The two knob screws 33 are respectively screwed into the two threaded holes and abut against the light rod 20. The height of the receiving block 32 can be adjusted by the two knob screws 33. The receiving block 32 is fixed to the adjustment block 31. The fixing plate 34 is vertically fixed to one side of the receiving block 32. The receiving block 32 is a T-shaped structure, and the fixing plate 34 is an L-shaped structure.

[0032] The non-contact displacement sensor 70 is arranged on the inner side of the fixing plate 34 and the laser emission head is directed downward. The non-contact displacement sensor 70 is a known technology and can be purchased directly on the market. In the specific use process, the non-contact displacement sensor 70 can emit laser to different positions on the surface of the product 60, so that the height of different positions of the product 60 can be detected. As an example, refer to Figure 4 Product 60 shown.

[0033] In one of the specific implementation schemes, a cover body 40 fixed to the receiving block 32 is provided on the outside of the fixing plate 34 and the non-contact sensor 70, and the bottom of the cover body 40 is open. By setting the cover body 40, the height adjustment of the non-contact displacement sensor 70 will not be affected, and the height detection of the product 60 will not be affected. In addition, the cover body 40 can also protect the non-contact displacement sensor 70, which has strong practicality.

[0034] In addition, in order to facilitate the fixation of the optical rod 20 and the horizontal measuring table 10, the present application also includes a base 80, and a second through cavity (not shown) is vertically opened inside the base 80. The bottom end of the optical rod 20 is vertically interference fit in the base 80, and the base 80 is fixed to the horizontal measuring table 10 by a number of pins 90. When storing, the operator can directly pull the optical rod 20 out of the base 80, and the base 80 does not need to be removed from the horizontal measuring table 10.

[0035] In addition to the above structure, a digital display 50 is provided on the level measuring platform 10 of the present application, and the non-contact displacement sensor 70 is electrically connected to the digital display 50 . In the specific implementation process, the relevant data detected by the non-contact displacement sensor will be displayed on the digital display 50 .

[0036] Below Figure 4 The operating principle of this application is described in detail using product 60 as an example:

[0037] The operator places the product 60 to be tested under the non-contact displacement sensor 70, and sets the 0 point to establish a reference by operating the digital display 50. In this way, after the laser is emitted on the upper surface of the product 60, the value displayed on the digital display 50 is 0. Then, the operator moves the product 60 to emit the laser to the bottom surface of a step. At this time, the digital display 50 will display a negative value, and the absolute value of the negative value is the overall height of the step.

[0038] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0039] The above embodiments are only for illustrating the technical concept and features of the utility model, and their purpose is to enable technicians familiar with the technical field to understand the content of the utility model and implement it accordingly, and they cannot be used to limit the protection scope of the utility model. Any equivalent changes or modifications made according to the spirit of the utility model should be included in the protection scope of the utility model.

Claims

1. A portable height measuring instrument, characterized in that: include: A level measuring platform (10); A polished rod (20), wherein the polished rod (20) is vertically and detachably arranged on the horizontal measuring platform (10); A height fine-adjustment mechanism (30), the height fine-adjustment mechanism (30) comprising an adjustment block (31), a receiving block (32), a fixing plate (34) and two knob screws (33); a first through cavity is vertically opened inside the adjustment block (31); the first through cavity on the adjustment block (31) is movably plugged with the light rod (20); threaded holes communicating with the first through cavity are opened on opposite sides of the adjustment block (31); the two knob screws (33) are respectively screwed into the two threaded holes to abut against the light rod (20); the receiving block (32) is fixed to the adjustment block (31); and the fixing plate (34) is vertically fixed to one side of the receiving block (32); A non-contact displacement sensor (70) is arranged on the inner side of the fixing plate (34) with the laser emitting head facing downward.

2. A portable height measuring instrument according to claim 1, characterized in that: The level measuring platform (10) is a granite platform.

3. A portable height measuring instrument according to claim 1, characterized in that: A cover body (40) fixed to the receiving block (32) is arranged outside the fixing plate (34) and the non-contact sensor, and the bottom of the cover body (40) is open.

4. A portable height measuring instrument according to claim 1, characterized in that: It also includes a base (80), a second through cavity is vertically opened inside the base (80), the bottom end of the light rod (20) is vertically inserted into the base (80) by interference fit, and the base (80) is fixed to the horizontal measuring platform (10) by a plurality of pins (90).

5. A portable height measuring instrument according to claim 1, characterized in that: A digital display meter (50) is arranged on the horizontal measuring platform (10), and the non-contact displacement sensor (70) is electrically connected to the digital display meter (50).

6. A portable height measuring instrument according to claim 1, characterized in that: The receiving block (32) is a T-shaped structure, and the fixing plate (34) is an L-shaped structure.

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