Altimeter testing fixture for detecting size of internal thread tool withdrawal groove

Abstract

The utility model discloses an altimeter testing fixture for detecting the dimension of an internal thread tool withdrawal groove, which relates to the technical field of tool withdrawal groove dimension measurement and comprises a base assembly, and a measuring assembly is arranged at the top of the base assembly. According to the utility model, the height block and the thread go gauge are respectively arranged at two sides of the top end of the bottom plate, and the height block and the thread go gauge have the same height, so that during detection, a measured product is sleeved at the top end of the height block, and then the slide block slides, so that the bottom end contact of the altimeter is located at the top of the height block; the altimeter is pulled downwards until the contact of the altimeter is in contact with the top of the product, the altimeter is reset, then the thread of the product is rotated to the top end of the thread go gauge, the altimeter is moved to the top of the thread go gauge, the contact of the altimeter is pulled again to be in contact with the top of the product, and the read number is the measurement result. The measurement efficiency is high, the measurement is accurate, and the error is small.

Description

Technical Field

[0001] The utility model relates to the technical field of undercut size measurement, in particular to a height gauge inspection tool for detecting the size of an internal thread undercut. Background Art

[0002] The current method for detecting the size of the internal thread undercut of blind holes is to use a vernier caliper + a thread gauge to measure the product height and the thread gauge length respectively, and then obtain the thread undercut size through a series of conversions. However, this measurement method has the following disadvantages: multiple measurement steps, large cumulative errors, the need for a calculator to assist in calculations, easy operational errors, and low measurement efficiency.

[0003] Therefore, it is necessary to invent a height gauge inspection tool for detecting the size of the internal thread undercut to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a height gauge for detecting the size of an internal thread undercut, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above object, the utility model provides the following technical solution: a height gauge for detecting the size of an internal thread undercut, comprising a base assembly, a measuring assembly being mounted on the top of the base assembly;

[0006] The base assembly includes a bottom plate, and vertical plates are integrally formed on both sides of the top of the bottom plate;

[0007] The measuring component includes a slider, and an extension plate is fixedly provided on one side of the bottom end of the slider.

[0008] Preferably, a height block and a thread gauge are fixedly installed on both sides of the top of the base plate, and the height of the height block and the thread gauge are the same.

[0009] Preferably, limiting slide bars are symmetrically fixedly provided at the top ends between the two vertical plates, and a limiting plate is fixedly provided at the middle portion of the top ends between the two vertical plates, and the limiting plate is located between the two limiting slide bars.

[0010] Preferably, both ends of one side of the slider are penetrated by limiting grooves adapted to the limiting slide rod, and a square groove adapted to the limiting plate is penetrated by the middle of one side of the slider.

[0011] Preferably, a fastening knob is provided at the top of the slider, and the threaded end of the fastening knob passes through the top of the slider and extends to the inside of the square groove.

[0012] Preferably, a vertically arranged sliding groove is provided inside the extension plate, and a through groove is provided through an inner wall of one side of the sliding groove.

[0013] Preferably, a movable block adapted to the slide is movably provided inside the slide, a connecting plate is integrally formed on one side of the movable block, and one side of the connecting plate movably passes through the through slot, and an altimeter is fixedly installed on one side of the connecting plate.

[0014] Preferably, a return spring is fixedly provided at the bottom end of the movable block, and the bottom end of the return spring is fixedly connected to the bottom inner wall of the sliding groove.

[0015] The technical effects and advantages of this utility model are:

[0016] The utility model respectively arranges a height block and a thread gauge on both sides of the top of the base plate, and the heights of the height block and the thread gauge are the same. During detection, it is only necessary to first put the measured product on the top of the height block, and then slide the slider to make the bottom contact of the altimeter be located at the top of the height block, pull the altimeter downward until the contact of the altimeter contacts with the top of the product, reset the altimeter, and then rotate the product thread to the top of the thread gauge, move the altimeter to the top of the thread gauge, and again pull the contact of the altimeter until it contacts with the top of the product. The readout is the measurement result. The detection operation is simple and convenient, and there is no need for multiple measurements. Not only is the measurement efficiency high, but the measurement is also accurate and the error is small. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model.

[0018] Figure 2 This is a schematic structural diagram of the base assembly of the present utility model.

[0019] Figure 3 This is a schematic diagram of the measurement component structure of the present utility model.

[0020] Figure 4 This is a schematic diagram of the cross-sectional structure of the extension plate of the present invention.

[0021] In the figure: 1. Base assembly; 2. Measuring assembly; 101. Bottom plate; 102. Height block; 103. Thread gauge; 104. Vertical plate; 105. Limiting slide bar; 106. Limiting plate; 201. Slider; 202. Limiting groove; 203. Square groove; 204. Extension plate; 205. Slide groove; 206. Through groove; 207. Movable block; 208. Return spring; 209. Connecting plate; 210. Altimeter; 211. Tightening knob. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] The utility model provides Figure 1-4 The height gauge inspection tool for inspecting the size of the internal thread undercut groove shown includes a base assembly 1 , and a measuring assembly 2 is installed on the top of the base assembly 1 .

[0024] Furthermore, the base assembly 1 includes a base plate 101, and vertical plates 104 are integrally formed on both sides of the top of the base plate 101. A height block 102 and a thread gauge 103 are fixedly installed on both sides of the top of the base plate 101, and the height block 102 and the thread gauge 103 are the same height. A limiting slide 105 is symmetrically fixed on the top between the two vertical plates 104, and a limiting plate 106 is fixed in the middle of the top between the two vertical plates 104, and the limiting plate 106 is located between the two limiting slides 105. The limiting slide 105 and the limiting plate 106 can limit the slider 201, thereby improving the stability of the slider 201 and improving the detection accuracy.

[0025] The measuring assembly 2 includes a slider 201, and an extension plate 204 is fixedly provided on one side of the bottom end of the slider 201. Limiting grooves 202 that are compatible with the limiting slide rod 105 are formed through both ends of one side of the slider 201. A square groove 203 that is compatible with the limiting plate 106 is formed through the middle of one side of the slider 201. A tightening knob 211 is provided on the top of the slider 201, and the threaded end of the tightening knob 211 threadedly passes through the top of the slider 201 and extends into the interior of the square groove 203. The tightening knob 211 is used to tighten the slider 201 during measurement to prevent the slider 201 from sliding and affecting the measurement accuracy.

[0026] A vertical slide 205 is provided inside the extension plate 204, and a through slot 206 is provided on one side of the inner wall of the slide 205. A movable block 207 adapted to the slide 205 is movably provided inside the slide 205. A connecting plate 209 is integrally formed on one side of the movable block 207, and one side of the connecting plate 209 movably passes through the through slot 206. A height gauge 210 is fixedly installed on one side of the connecting plate 209. A reset spring 208 is fixedly provided at the bottom end of the movable block 207, and the bottom end of the reset spring 208 is fixedly connected to the inner wall of the bottom end of the slide 205. The setting of the reset spring 208 can automatically reset the height gauge 210, which is convenient for measurement. By respectively setting height blocks 102 on both sides of the top of the bottom plate 101 And the thread gauge 103, and the height block 102 and the thread gauge 103 have the same height. During testing, you only need to put the measured product on the top of the height block 102 first, and then slide the slider 201 to make the bottom contact of the altimeter 210 located at the top of the height block 102, pull the altimeter 210 downward until the contact of the altimeter 210 contacts the top of the product, reset the altimeter 210, and then rotate the product thread to the top of the thread gauge 103, move the altimeter 210 to the top of the thread gauge 103, and pull the contact of the altimeter 210 again until it contacts the top of the product. The reading is the measurement result. The detection operation is simple and convenient, and there is no need for multiple measurements. Not only is the measurement efficiency high, but the measurement is also accurate and the error is small.

[0027] Working principle of this utility model:

[0028] The product is first put on the top of the height block 102, and then the slider 201 is slid until the contact of the altimeter 210 is at the top of the height block 102, and then the tightening knob 211 is rotated to fix the slider 201, and then the altimeter 210 is pulled down, driving the movable block 207 to slide downward and compressing the return spring 208 until the contact of the altimeter 210 contacts the top of the product. At this time, the altimeter 210 reading is reset to zero, and then the altimeter 210 is released, the return spring 208 recovers its deformation, and drives the altimeter 210 to return to its initial height. Then, the product thread is rotated to the top of the thread gauge 103 and rotated to the bottom, and then the tightening knob 211 is loosened and the slider 201 is slid until the contact of the altimeter 210 is at the top of the thread gauge 103. Then, the tightening knob 211 is tightened and the altimeter 210 is pulled down again until the contact of the altimeter 210 contacts the top of the product again. The reading at this time is the measurement result.

[0029] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A height gauge for detecting the size of an internal thread undercut, characterized by: It comprises a base assembly (1), a measuring assembly (2) being installed on the top of the base assembly (1); The base assembly (1) comprises a bottom plate (101), and vertical plates (104) are integrally formed on both sides of the top end of the bottom plate (101); The measuring assembly (2) comprises a slider (201), and an extension plate (204) is fixedly provided on one side of the bottom end of the slider (201).

2. The height gauge for detecting the size of the internal thread undercut according to claim 1, characterized in that: A height block (102) and a thread gauge (103) are respectively fixedly installed on both sides of the top of the bottom plate (101), and the height block (102) and the thread gauge (103) are of the same height.

3. The height gauge for detecting the size of the internal thread undercut according to claim 2, characterized in that: A limiting slide bar (105) is symmetrically fixedly provided at the top between the two vertical plates (104), and a limiting plate (106) is fixedly provided at the middle of the top between the two vertical plates (104), and the limiting plate (106) is located between the two limiting slide bars (105).

4. The height gauge for detecting the size of the internal thread undercut according to claim 3, characterized in that: Both ends of one side of the slider (201) are penetrated with limiting grooves (202) adapted to the limiting slide rod (105), and a square groove (203) adapted to the limiting plate (106) is penetrated and opened in the middle of one side of the slider (201).

5. The height gauge for detecting the size of the internal thread undercut according to claim 4, characterized in that: The top end of the slider (201) is provided with a tightening knob (211), and the threaded end of the tightening knob (211) is threadedly passed through the top end of the slider (201) and extends to the inside of the square groove (203).

6. The height gauge for detecting the size of the internal thread undercut according to claim 5, characterized in that: A vertically arranged chute (205) is provided inside the extension plate (204), and a through groove (206) is provided through an inner wall of one side of the chute (205).

7. The height gauge for detecting the size of the internal thread undercut according to claim 6, characterized in that: A movable block (207) adapted to the slide groove (205) is movably provided inside the slide groove (205), a connecting plate (209) is integrally formed on one side of the movable block (207), and one side of the connecting plate (209) movably passes through the through groove (206), and an altimeter (210) is fixedly installed on one side of the connecting plate (209).

8. The height gauge for detecting the size of the internal thread undercut according to claim 7, characterized in that: A return spring (208) is fixedly provided at the bottom end of the movable block (207), and the bottom end of the return spring (208) is fixedly connected to the inner wall of the bottom end of the sliding groove (205).

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