CN213481213U

CN213481213U - Movable clearance measuring mechanism

Info

Publication number: CN213481213U
Application number: CN202022626725.5U
Authority: CN
Inventors: 杨兵
Original assignee: Chongqing Haohao Weili Intelligent Technology Co ltd
Current assignee: Chongqing Haohao Weili Intelligent Technology Co ltd
Priority date: 2020-11-13
Filing date: 2020-11-13
Publication date: 2021-06-18
Anticipated expiration: 2030-11-13

Abstract

The utility model discloses a portable clearance measurement mechanism in frock detection tool technical field, including installation piece, percentage table and measuring block, the percentage table includes gauge outfit and measuring stick, has seted up the guiding hole on the installation piece, and the guiding hole is the through-hole of echelonment, and the guiding hole includes macropore section and aperture section, has set firmly the uide bushing in the aperture section, and slidable cross-under has the guiding stick in the uide bushing, and the left end and the measuring block fixed connection of guiding stick, the right-hand member of guiding stick are equipped with the stopper, and the stopper is located the macropore section; the mounting block is internally provided with a mounting hole which is a through hole, and the left end of the measuring rod is in contact with the measuring block in a natural state; the bottom of the measuring block is also fixedly provided with a measuring contact pin; the utility model discloses compare in prior art's beneficial effect for can be in narrow and small space measuring gap, unusual convenience, applicable in the measurement of some special angles to simple structure, the preparation is convenient, and the measurement is accurate.

Description

Movable clearance measuring mechanism

Technical Field

The utility model relates to a technical field is examined to the frock, concretely relates to portable clearance measurement mechanism.

Background

The checking fixture is a simple tool for controlling various sizes of products by industrial production enterprises, improves the production efficiency and controls the quality, and is suitable for mass production of products, such as automobile parts, to replace professional measuring tools, such as smooth plug gauges, threaded plug gauges, outer diameter snap gauges and the like.

The existing automobile sheet metal plastic products are mostly irregular, and some special positions are not enough in space, not good in angle and not easy to measure.

In summary, the inventors propose a movable gap measuring mechanism.

SUMMERY OF THE UTILITY MODEL

In view of the problems that the existing automobile sheet metal plastic detection space is not enough and the angle is not good and is not easy to measure in the prior art, the mobile clearance measuring mechanism for solving the problems is provided.

In order to realize the technical purpose, the utility model discloses a technical scheme as follows:

a movable clearance measuring mechanism comprises an installation block, a dial indicator and a measuring block, wherein the dial indicator comprises an indicator head and a measuring rod, a guide hole is formed in the installation block, the guide hole is a stepped through hole and comprises a large hole section and a small hole section, a guide sleeve is fixedly arranged in the small hole section, a guide rod is slidably connected in the guide sleeve in a penetrating manner, the left end of the guide rod is fixedly connected with the measuring block, a limiting block is arranged at the right end of the guide rod, and the limiting block is positioned in the large hole section; the mounting block is also internally provided with a mounting hole for the measuring rod to pass through, the mounting hole is a through hole, the inner diameter and the shape of the mounting hole are matched with the outer diameter and the shape of the measuring rod, and the left end of the measuring rod is in contact with the measuring block in a natural state; the bottom of the measuring block is also fixedly provided with a measuring contact pin; set up a measuring block, be equipped with the measurement contact pilotage in the bottom of measuring the piece is fixed, measure the contact pilotage and the face contact that we need detect, we follow rectilinear movement the utility model discloses the clearance that detects needs detects, if there is the place of unevenness, measure the contact pilotage can pass through the left end that the measuring block transmitted the measuring stick with the power that receives on, the measuring block can move right this moment, the extension length of compression measuring stick, demonstrate the reading on the percentage table, the removal that removes about the measuring block can be guaranteed to guide bar and uide bushing is horizontal migration, can not influence the accuracy of percentage table reading, it is not enough to be applied to some detection spaces, the inconvenient place of angle, unusual convenience.

Further limiting, the bottom of the mounting block is also provided with a fixed seat, and the mounting block is inserted into the bottom of the mounting block through a positioning pin to fix the mounting block on the fixed seat; fix the installation piece and can make the more stable removal of installation piece on the fixing base, move the monoblock fixing base together during the removal, further guarantee the accuracy that detects.

Further limiting, a spring through hole is formed in the mounting block, a spring through connecting rod is fixedly arranged in the spring through hole, the depth of the spring through hole is larger than or equal to the length of the spring through connecting rod, a return spring is connected to the spring through connecting rod in a penetrating mode, and the extension length of the return spring in a natural state is the same as that of the measuring rod; the return spring is arranged in order to enable the measuring block to return automatically in the detection process, so that the measuring process is smoother, and the extreme condition that the measuring block cannot return due to insufficient elasticity of the end of the measuring rod of the dial indicator is avoided.

The device is further limited, and two sets of guide holes, guide rods, guide sleeves, spring through holes, spring through connecting rods and return springs are symmetrically arranged above and below the measuring rod; the measuring rod is symmetrically arranged relative to the measuring rod, so that the stress is more uniform, and the measuring fluency and accuracy are ensured.

Further limiting, a fixing hole is formed in the position, corresponding to the mounting hole, of the mounting block, the fixing hole is a threaded hole, and the fixing hole is connected with the mounting hole; adopt the bolt to twist the fixed orifices and carry out spacing fixed to the percentage table for what the percentage table can be more firm is fixed in the mounting hole, is difficult for the roll-off.

Further limiting, the bottom of the measuring block is provided with a sliding chute which is a semi-sinking chute with a left opening, the shape of the sliding chute is matched with that of the fixed part of the measuring contact pin, and the measuring contact pin is fixed by being embedded into the sliding chute; the arrangement is convenient for taking out the measuring stylus, the measuring accuracy is not influenced when the measuring stylus is used for measuring, and the measuring stylus can be taken down and placed independently when the measuring stylus is not used, so that accidental damage is avoided.

The utility model discloses compare in prior art's beneficial effect for can be in narrow and small space measuring gap, unusual convenience, applicable in the measurement of some special angles to simple structure, the preparation is convenient, and the measurement is accurate.

Drawings

Fig. 1 is a schematic view of the internal structure of the present invention;

FIG. 2 is a left side view of the measurement block;

FIG. 3 is a partial cross-sectional view of the mounting block;

fig. 4 is an enlarged schematic view of a portion a of fig. 1.

The corresponding labels in the figures are: 1-mounting block, 2-dial indicator, 21-gauge head, 22-measuring rod, 3-measuring block, 31-sliding chute, 4-guide hole, 41-big hole section, 42-small hole section, 5-guide sleeve, 6-guide rod, 7-limiting block, 8-mounting hole, 9-measuring contact pin, 10-fixing seat, 11-positioning pin, 12-spring through hole, 13-spring through rod, 14-return spring and 15-fixing hole.

Detailed Description

In order to make the technical solution of the present invention more comprehensible to those skilled in the art, the present invention is further described with reference to the accompanying drawings and examples.

As shown in fig. 1-4, the movable gap measuring mechanism includes an installation block 1, a dial indicator 2 and a measurement block 3, the dial indicator 2 includes a gauge head 21 and a measurement rod 22, the installation block 1 is provided with a guide hole 4, the guide hole 4 is a step-shaped through hole, the guide hole 4 includes a large hole section 41 and a small hole section 42, a guide sleeve 5 is fixedly arranged in the small hole section 42, a guide rod 6 is slidably connected in the guide sleeve 5 in a penetrating manner, the left end of the guide rod 6 is fixedly connected with the measurement block 3, the right end of the guide rod 6 is provided with a limit block 7, and the limit block 7 is located in the large hole section 41; the mounting block 1 is also internally provided with a mounting hole 8 for the measuring rod 22 to pass through, the mounting hole 8 is a through hole, the inner diameter and the shape of the mounting hole 8 are matched with the outer diameter and the shape of the measuring rod 22, and the left end of the measuring rod 22 is in contact with the measuring block 3 in a natural state; the bottom of the measuring block 3 is also fixedly provided with a measuring contact pin 9; the bottom of the mounting block 1 is also provided with a fixed seat 10, and the mounting block 1 is inserted into the bottom of the mounting block 1 through a positioning pin 11 to fix the mounting block 1 on the fixed seat 10; the mounting block 1 is further provided with a spring through hole 12, a spring through connecting rod 13 is fixedly arranged in the spring through hole 12, the depth of the spring through hole 12 is larger than or equal to the length of the spring through connecting rod 13, a return spring 14 is connected to the spring through connecting rod 13 in a penetrating manner, and the extension length of the return spring 14 in a natural state is the same as that of the measuring rod 22; two sets of guide holes 4, guide rods 6, guide sleeves 5, spring through holes 12, spring through connecting rods 13 and return springs 14 are symmetrically arranged above and below the measuring rod 22; a fixing hole 15 is formed in the position, corresponding to the mounting hole 8, of the mounting block 1, the fixing hole 15 is a threaded hole, and the fixing hole 15 is connected with the mounting hole 8; the bottom of the measuring block 3 is provided with a sliding chute 31, the sliding chute 31 is a semi-sinking chute with a left opening, the shape of the sliding chute 31 is matched with that of the fixed part of the measuring contact pin 9, and the measuring contact pin 9 is fixed in the sliding chute 31 by being embedded; preferably, the guide rod 6 is fixed to the measuring block 3 by inserting the measuring block 3 with a tight fit.

Set up a measuring block 3, fixed being equipped with in the bottom of measuring block 3 and measuring stylus 9, measure stylus 9 and the face contact that we need detect, we are along rectilinear movement the utility model discloses detect the clearance that needs detect, if there is the place of protruding injustice, measure stylus 9 can transmit the power that receives to the left end of measuring stick 22 through measuring block 3, measuring block 3 can move right this moment, compress the extension length of measuring stick 22, show the reading on percentage table 2, guide bar 6 and uide bushing 5 can guarantee that the left-right movement of measuring block 3 is horizontal migration, can not influence the accuracy of percentage table 2 reading, can be applied to some detection space inadequately, the inconvenient place of angle, unusual convenience; the mounting block 1 is fixed on the fixing seat 10, so that the mounting block 1 can move more stably, and the whole fixing seat 10 moves together during movement, so that the detection accuracy is further ensured; the return spring 14 is arranged in order that the measuring block 3 can automatically return in the detection process, so that the measurement process is smoother, and extreme situations that the measuring block 3 cannot return due to insufficient elasticity of the end of the measuring rod 22 of the dial indicator 2 are avoided; the symmetrical arrangement of the measuring rod 22 can ensure more uniform stress, and ensure the smoothness and accuracy of measurement; the dial indicator 2 is limited and fixed by screwing the bolts into the fixing holes 15, so that the dial indicator 2 can be more stably fixed in the mounting hole 8 and is not easy to slide out; this arrangement facilitates removal of the measurement stylus 9, does not affect the accuracy of the measurement when measuring, and allows the measurement stylus 9 to be removed and placed separately when not in use, so as to avoid accidental damage.

When the measuring device is used, the measuring contact pin 9 firstly extends into a gap to be measured to be in contact with the gap, then the mounting block 1 is fixed on the corresponding fixing seat 10, and the reading record of the dial indicator 2 is read.

It should be noted that the upper, lower, left and right in this document are the orientations in the drawings.

It is right above that the utility model provides a portable clearance measurement mechanism introduces in detail, and the description of specific embodiment is only used for helping understanding the utility model discloses a method and its core thought. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. The utility model provides a portable clearance measurement mechanism, is including installation piece, percentage table and measuring block, the percentage table includes gauge outfit and measuring stick, its characterized in that: the mounting block is provided with a guide hole, the guide hole is a stepped through hole and comprises a large hole section and a small hole section, a guide sleeve is fixedly arranged in the small hole section, a guide rod is slidably connected in the guide sleeve in a penetrating manner, the left end of the guide rod is fixedly connected with the measuring block, the right end of the guide rod is provided with a limiting block, and the limiting block is positioned in the large hole section;

the mounting block is internally provided with a mounting hole for the measuring rod to pass through, the mounting hole is a through hole, the inner diameter size and the shape of the mounting hole are matched with the outer diameter size and the shape of the measuring rod, and the left end of the measuring rod is in contact with the measuring block in a natural state;

and a measuring contact pin is fixedly arranged at the bottom of the measuring block.

2. The mobile clearance measurement mechanism of claim 1, wherein: the bottom of installation piece still is equipped with the fixing base, the installation piece inserts through the locating pin the bottom of installation piece will the installation piece is fixed on the fixing base.

3. The mobile clearance measurement mechanism of claim 1, wherein: the mounting block is further provided with a spring cross-connecting hole, a spring cross-connecting rod is fixedly arranged in the spring cross-connecting hole, the depth of the spring cross-connecting hole is larger than or equal to the length of the spring cross-connecting rod, a return spring is in cross-connection with the spring cross-connecting rod, and the extension length of the return spring in a natural state is the same as that of the measuring rod.

4. The mobile clearance measurement mechanism of claim 3, wherein: the guide hole, the guide rod, the guide sleeve, the spring through hole, the spring through connecting rod and the return spring are provided with two sets, and the two sets are symmetrically arranged above and below the measuring rod.

5. The mobile clearance measurement mechanism of claim 1, wherein: the mounting block is provided with a fixing hole corresponding to the mounting hole, the fixing hole is a threaded hole, and the fixing hole is connected with the mounting hole.

6. The mobile clearance measurement mechanism of claim 1, wherein: the bottom of the measuring block is provided with a sliding groove, the sliding groove is a semi-sinking groove with a left opening, the shape of the sliding groove is matched with that of the fixed part of the measuring contact pin, and the measuring contact pin is fixed in the sliding groove in an embedded mode.