CN218764975U - A measuring tool for the center position of the inner hole - Google Patents

Abstract

The utility model discloses a measuring tool for the central position of an inner hole, which comprises a sample plate, an adjustment assembly is installed on the outer wall of the sample plate, the fixed plate is fixedly connected with the sample plate, and a scale rod is fixedly connected to the outer wall of the fixed plate. The outer wall of the scale rod is sleeved with a sliding sleeve, the inner thread of the sliding sleeve is connected with a positioning pin, the outer wall of the sliding sleeve is fixedly connected with a groove plate, and the inside of the groove plate is sleeved with a connecting pin. The outer wall of the pin is threadedly connected with a card seat. The utility model relates to the technical field of inspection tools. The inner hole center position inspection tool moves on the outer wall of the scale bar through the cooperation of a fixed plate, a scale bar, a sliding sleeve, a positioning pin, a groove plate, a connecting pin and a card seat. Sliding sleeve, the sliding sleeve drives the two groove plates to move, use the intersection point of the two groove plates to determine the use position of the mandrel, use the connecting pin and the card seat to connect, and then fix the mandrel, by changing the use position of the mandrel, it is convenient for alignment The position of the inner hole of different components is detected.

Description

A measuring tool for the center position of the inner hole

technical field

The utility model relates to the technical field of inspection tools, in particular to an inner hole center position inspection tool.

Background technique

Inspection tools are simple tools used by industrial production enterprises to control various dimensions of products (such as aperture, space dimensions, etc.), improve production efficiency and control quality, and are suitable for mass-produced products, such as auto parts, to replace professional measuring tools , such as smooth plug gauges, threaded plug gauges, outer diameter calliper gauges, etc., the position degree is the range of the axis or center plane of a shape that allows its own position to change, that is, the range of the actual position of the axis or center plane of a shape. An index that limits the amount of variation between the actual position of the measured element and the ideal position. Position tolerance is used to evaluate the correctness of the position of the actual element, which is based on the ideal position given on the drawing. Position degree includes point position degree, line position degree and plane position degree.

Among them, when detecting the center position of the inner hole of the component, it is necessary to use a checker, for example, the application number is: a checker for the center position of the inner hole of CN201920480643.9. The utility model relates to the technical field of checker, in particular to A tool for checking the center position of an inner hole, comprising a thin plate, a mandrel that can be placed in the inner hole of the center of the product to be tested, the mandrel is fixedly connected to the thin plate through a connecting rod, and a through sample hole is provided in the middle of the thin plate , the shape and size of the sample hole coincide with the shape of the product to be tested, and the central axis of the mandrel is coaxial with the central axis of the sample hole. When measuring, put the thin plate outside the outline of the center support type product, put the mandrel into the center inner hole of the product, if the gap between the outer surface of the mandrel and the inner wall of the inner hole is consistent, then the center inner hole of the center support type product is within the center of the product. The center of the shape, that is, the position of the inner hole in the center of the product is qualified, otherwise it is unqualified. The utility model has the advantages of simple structure, convenient use, greatly improved work efficiency and reduced production cost.

However, the existing inner hole center position gauge is used to detect the position of the mandrel of the inner hole is fixed, it is not convenient to adjust the use position of the mandrel, and there are limitations in detecting the positions of the inner holes of different parts.

Utility model content

Aiming at the deficiencies of the prior art, the utility model provides a center position inspection tool for the inner hole, which solves the problem of the existing center position inspection tool for the inner hole, which is used to detect the position of the mandrel of the inner hole is fixed, and it is not convenient to adjust the core The use position of the shaft has limitations when detecting the position of the inner hole of different components.

In order to achieve the above purpose, the utility model provides the following technical solutions: a measuring tool for the center position of the inner hole, including a sample plate, and an adjustment component is installed on the outer wall of the sample plate;

The adjustment assembly includes a fixed plate, a scale rod, a sliding sleeve, a positioning pin, a groove plate, a connecting pin and a card seat;

The fixed plate is fixedly connected with the template, the outer wall of the fixed plate is fixedly connected with a scale rod, the outer wall of the scale rod is sleeved with a sliding sleeve, and the internal thread of the sliding sleeve is connected with a positioning pin, and the sliding sleeve The outer wall is fixedly connected with a slot plate, the inside of the slot plate is sleeved with a connecting pin, and the outer wall of the connecting pin is threadedly connected with a clamping seat.

Preferably, a connecting rod is fixedly connected to the outer wall of the holder, and a mandrel is screwed to the outer wall of the connecting rod.

Preferably, slide grooves are processed inside the groove plate.

Preferably, the outer wall of the template is fixed with a support assembly;

The support assembly includes a support rod, a threaded cylinder and a rubber pad;

The support rod is fixedly connected with the template, the outer wall of the support rod is threadedly connected with a threaded barrel, and the end of the threaded barrel far away from the support rod is fixedly connected with a rubber pad.

Preferably, the support rods are distributed symmetrically with respect to the template.

Compared with the prior art, the utility model has the beneficial effect: the inner hole center position inspection tool has the following advantages compared with the traditional technology:

Through the joint use of the fixed plate, scale rod, sliding sleeve, positioning pin, groove plate, connecting pin and card seat, etc., after the fixed plate and the template are fixed, according to the position of the inner hole in the component, it moves on the outer wall of the scale rod Sliding sleeve, the sliding sleeve drives the two groove plates to move, use the intersection point of the two groove plates to determine the use position of the mandrel, use the connecting pin and the card seat to connect, and then fix the mandrel, by changing the use position of the mandrel, it is convenient for alignment Detect the inner hole position of different parts;

Through the use of the support rod, threaded cylinder and rubber pad, etc., the threaded cylinder is rotated on the outer wall of the support rod, and the threaded cylinder drives the rubber pad to move. By changing the position of the threaded cylinder on the outer wall of the support rod, it is beneficial to adjust the level of the template and is easy to be used. The measured parts are placed in the slots of the template.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is a schematic diagram of the connection structure of the fixed plate, the scale bar and the slot plate in Fig. 1;

Fig. 3 is a schematic diagram of the connecting structure of the mandrel, the connecting rod and the deck in Fig. 1;

Fig. 4 is a schematic diagram of the connecting structure of the template, the support rod and the threaded cylinder in Fig. 1 .

Among the figure: 1, template, 2, adjustment assembly, 201, fixed plate, 202, scale rod, 203, sliding sleeve, 204, positioning pin, 205, groove plate, 206, connecting pin, 207, deck, 3, connecting Rod, 4, mandrel, 5, support assembly, 501, support rod, 502, threaded barrel, 503, rubber pad.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

The existing inner hole center position inspection tool is used to detect the position of the mandrel of the inner hole is fixed, it is not convenient to adjust the use position of the mandrel, and there are limitations in detecting the position of the inner hole of different parts.

In view of this, the utility model provides a measuring device for the central position of the inner hole. Through the cooperation of the fixed plate, the scale rod, the sliding sleeve, the positioning pin, the groove plate, the connecting pin and the card seat, etc., the fixed plate and the sample plate After fixing, move the sliding sleeve on the outer wall of the scale rod according to the position of the inner hole in the component, the sliding sleeve drives the two groove plates to move, use the intersection point of the two groove plates to determine the use position of the mandrel, use the connecting pin and The card seat is connected to fix the mandrel. By changing the use position of the mandrel, it is convenient to detect the position of the inner hole of different parts.

As can be seen from Figures 1 and 2, a center position inspection tool for an inner hole includes a template 1, an adjustment assembly 2 is installed on the outer wall of the template 1, and the adjustment assembly 2 includes a fixed plate 201, a scale rod 202, a sliding sleeve 203, and a positioning pin 204, slot plate 205, connecting pin 206 and card seat 207, fixed plate 201 and template 1 are fixedly connected, and the outer wall of fixed plate 201 is fixedly connected with scale bar 202, and the outer wall of scale bar 202 is sleeved with sliding sleeve 203, and sliding sleeve 203 The internal thread of the sliding sleeve 203 is connected with a positioning pin 204, the outer wall of the sliding sleeve 203 is fixedly connected with a groove plate 205, the inner sleeve of the groove plate 205 is connected with a connecting pin 206, and the outer wall of the connecting pin 206 is threaded with a card seat 207;

In the specific implementation process, it is worth pointing out that the sample plate 1 is processed with a slot for the placement of the parts to be tested. The shape and size of the slot in the sample plate 1 are specifically processed according to the shape of the parts. The outer wall of 201 is fixedly connected with two scale rods 202, the sliding sleeve 203 can move on the outer wall of the scale rod 202, the outer wall of the positioning pin 204 is processed with threads, the outer wall of the connecting pin 206 is processed with threads, the groove plates 205 are staggered, and the card seats 207 is connected with the connecting pin 206, the installation position of the mandrel 4 can be determined, and it is convenient to adjust the use position of the mandrel 4;

Further, the outer wall of the card holder 207 is fixedly connected with the connecting rod 3, and the outer wall of the connecting rod 3 is threadedly connected with the mandrel 4;

In the specific implementation process, it is worth pointing out that the outer wall of the connecting rod 3 is threaded, the mandrel 4 is the prior art, and the mandrel 4 is inserted into the center hole of the component. By observing whether the mandrel 4 and the center hole Match to determine whether the position is accurate;

Specifically, after fixing the fixed plate 201 and the sample plate 1, according to the position of the inner hole in the component, the sliding sleeve 203 is moved on the outer wall of the scale rod 202, and the sliding sleeve 203 moves on the outer wall of the scale rod 202, and the sliding sleeve 203 drives the two Two slot plates 205 move, use the intersection point of two slot plates 205 to determine the use position of the mandrel 4, use the connecting pin 206 and the card seat 207 to connect, and then fix the mandrel 4, by changing the use position of the mandrel 4, it is convenient to adjust the position of the mandrel 4 The position of the inner hole of different components is detected.

As can be seen from Fig. 1, Fig. 3 and Fig. 4, the inner part of the groove plate 205 is processed with a chute;

In the specific implementation process, it is worth pointing out that processing the chute in the groove plate 205 is conducive to connecting the connecting pin 206, and the setting of the chute facilitates the installation of the connecting pin 206;

Further, the outer wall of the template 1 is fixed with a support assembly 5, the support assembly 5 includes a support rod 501, a threaded cylinder 502 and a rubber pad 503, the support rod 501 is fixedly connected with the template 1, and the outer wall of the support rod 501 is threaded with a threaded cylinder 502 , the end of the threaded barrel 502 away from the support rod 501 is fixedly connected with a rubber pad 503;

In the specific implementation process, it is worth pointing out that four support rods 501 are fixed on the outer wall of the model 1, and the outer walls of the support rods 501 are threaded, and the threaded cylinder 502 can be adjusted on the outer wall of the support rod 501. The bottom of 503 is processed with grinding lines, and the setting of the adjustable threaded barrel 502 is beneficial to ensure the horizontal placement of the sample 1;

Further, the support rods 501 are distributed symmetrically with respect to the template 1;

In the specific implementation process, it is worth pointing out that the setting of the four support rods 501 is conducive to the adjustment of the four corners of the model 1;

Specifically, on the basis of the above-mentioned embodiment, the threaded cylinder 502 is rotated on the outer wall of the support rod 501, and the threaded cylinder 502 drives the rubber pad 503 to move. By changing the position of the threaded cylinder 502 on the outer wall of the support rod 501, it is beneficial to adjust the position of the model 1. Horizontal, so that the parts under test can be placed in the card slot of model 1.

In the description of the present utility model, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", " The orientation or positional relationship indicated by "top", "inner", "front", "central", "both ends" etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description , rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the utility model.

In this utility model, unless otherwise clearly specified and limited, terms such as "installation", "setting", "connection", "fixation" and "rotation" should be understood in a broad sense, for example, it may be a fixed connection, It can also be detachable connection, or integrated; it can be mechanical connection or electrical connection; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components or the interaction of two components Unless otherwise clearly defined, those skilled in the art can understand the specific meanings of the above terms in the present utility model according to specific situations.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (5)

1. The utility model provides an utensil is examined to hole central point position degree, includes model (1), its characterized in that: the outer wall of the sample plate (1) is provided with an adjusting component (2);

the adjusting component (2) comprises a fixing plate (201), a graduated rod (202), a sliding sleeve (203), a positioning pin (204), a slotted plate (205), a connecting pin (206) and a clamping seat (207);

fixed plate (201) and model (1) fixed connection, the outer wall rigid coupling of fixed plate (201) has scale bar (202), sliding sleeve (203) has been cup jointed to the outer wall of scale bar (202), the internal thread connection of sliding sleeve (203) has locating pin (204), the outer wall rigid coupling of sliding sleeve (203) has frid (205), connecting pin (206) has been cup jointed to the inside of frid (205), the outer wall threaded connection of connecting pin (206) has cassette (207).

2. The inner hole center position degree gauge according to claim 1, characterized in that: the outer wall of the clamping seat (207) is fixedly connected with a connecting rod (3), and the outer wall of the connecting rod (3) is in threaded connection with a mandrel (4).

3. The inner hole center position degree gauge according to claim 1, characterized in that: the inside of the groove plate (205) is processed with a sliding groove.

4. The inner hole center position degree gauge according to claim 1, characterized in that: the outer wall of the sample plate (1) is fixedly connected with a supporting component (5);

the supporting assembly (5) comprises a supporting rod (501), a threaded cylinder (502) and a rubber pad (503);

the utility model discloses a bracing piece, including bracing piece (501) and model (1), the outer wall threaded connection of bracing piece (501) has a screw thread section of thick bamboo (502), the one end rigid coupling of keeping away from bracing piece (501) of a screw thread section of thick bamboo (502) has rubber pad (503).

5. The inner hole center position degree gauge according to claim 4, characterized in that: the support bars (501) are symmetrically distributed about the template (1).

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