CN220119971U

CN220119971U - Micrometer base

Info

Publication number: CN220119971U
Application number: CN202321457113.5U
Authority: CN
Inventors: 程一博
Original assignee: Henan Yizhun Metrology And Testing Service Co ltd
Current assignee: Henan Yizhun Metrology And Testing Service Co ltd
Priority date: 2023-06-09
Filing date: 2023-06-09
Publication date: 2023-12-01
Anticipated expiration: 2033-06-09

Abstract

A micrometer base relates to the technical field of length measurement equipment and comprises a clamping block II, a clamping block I and a base; the clamping blocks II and the clamping blocks I are all vertical plates, and the second clamping block is positioned on the left side of the upper end of the rotary platform; the lower end of the clamping block is fixedly connected with the right of the upper end of the rotary platform; arc grooves are formed in the upper part of the left side surface of the first vertical plate of the clamping block and the upper part of the right side surface of the second vertical plate of the clamping block; a front support and a rear support are arranged on the base in parallel along the front-rear direction, the middle of the bearing rod passes through the lower end of the rotary platform, two ends of the bearing rod are sleeved in bearing middle holes in bearing holes at the upper ends of the two supports, and the front end of the bearing rod passes through the bearing middle holes at the upper ends of the front support and is fixedly connected with the rear end of a rotating block of the regulating mechanism; a limiting mechanism is arranged on the right side of the first clamping block, and the left end of a pull rod of the limiting mechanism penetrates through the first clamping block and is fixedly connected with the right end of the second clamping block; the micrometer base has the advantages that the micrometer base can rapidly clamp and rapidly adjust the micrometer and realize the rotation angle suitable for micrometer measurement.

Description

Micrometer base

Technical Field

The utility model relates to the technical field of length measurement equipment, in particular to a micrometer base.

Background

The micrometer is also called a screw micrometer, a screw micrometer and a micrometer card, is a tool for measuring the length more precisely than a vernier caliper, can be used for measuring the length to be 0.01mm, and is usually fixed on a base before moving the workpiece to a measuring port of the micrometer for measurement when the micrometer is used for measuring the workpiece.

The utility model provides a micrometer base that disclosed in the chinese patent CN216245912U of micrometer base among the prior art, this micrometer base is fixed through the rotation angle that first bolt was held the piece to first, fixes the position of second grip block through the second bolt, however, this micrometer base still has following shortcoming when solving prior art aspect problem:

1. when the micrometer base is used, the first bolt is required to be loosened firstly, then the first clamping block is rotated to a proper angle, and then the first bolt is tightened, and the first bolt has a certain range and return stroke when rotating, so that an operator cannot quickly fix the rotation angle of the clamping block;

2. this micrometer base need twist the second bolt always when adjusting the position of second grip block for the operation is fixed slower, inconvenient operating personnel carries out the centre gripping to the micrometer fast.

Therefore, the present utility model provides a micrometer base to solve the above-mentioned problems.

Disclosure of Invention

The object of the present utility model is to solve at least one of the technical drawbacks.

The utility model aims to overcome the defects of the prior art, solve the problems in the background art and provide a micrometer base.

The aim of the utility model is achieved by the following technical scheme: a micrometer base comprises a body, an adjusting mechanism and a limiting mechanism; the body comprises a rotary platform, a clamping block II and a clamping block I are arranged on the left side and the right side above the rotary platform, the lower end of the clamping block is fixedly connected with the rotary platform, and the lower end of the rotary platform is hinged with the upper end of the base through a bearing rod structure; the adjusting mechanism comprises a rotating block, and the front end of a bearing rod of the bearing rod structure passes through the lower end of the rotating platform and the upper end of the base and is fixedly connected with the rear end of the rotating block of the adjusting mechanism; the rotating block is a cylindrical body, and a limit groove is formed along the circumferential direction of the side surface of the cylindrical body; a limiting block is arranged in the side limiting groove of the cylindrical body along the circumferential direction, and a first spring is arranged between the lower end of the limiting block and the bottom of the limiting groove; the limiting ring is in the shape of an annular shell provided with grooves along the circumferential direction along the inner wall of the middle hole, and limiting holes are arranged in the grooves at equal intervals; the left side of the upper end of the limiting block is provided with a conical table, a groove on the inner wall of the middle hole of the limiting ring is covered above the conical table, the upper end of the conical table is fixedly connected with a ball head, the ball head is inserted into a limiting hole on the groove on the inner wall of the middle hole of the limiting ring, the right side of the upper end of the limiting block is provided with a pressing platform, and the left side of the limiting ring is fixedly connected to the front side surface of the upper end of the base; the limiting mechanism comprises a pull rod, the pull rod is in a cylindrical shape, the left end of the cylindrical body passes through the first clamping block and is fixedly connected with the end face of the right end of the second clamping block, a second spring is sleeved on the cylindrical body between the second clamping block and the first clamping block, and the right end of the cylindrical body is fixedly connected with the left end of the top cap; slots are formed in the upper end of the cylinder at equal intervals along the left-right direction, and clamping grooves are formed in the middle of the side surfaces of the two sides of the cylinder along the left-right direction; the fixing frame is in the shape of an inverted U-shaped frame, two edge folding ends of the U-shaped frame are inwards bent and inserted into clamping grooves formed in the middle of the side faces of two sides of the cylinder, a pin hole is formed in the bottom plate face of the U-shaped frame, and the lower end of a limiting pin penetrates through the pin hole and is inserted into a slot formed in the upper end of the cylinder.

The lower end of the rotary platform is hinged with the upper end of the base through a bearing rod structure, the concrete structure is that the upper end of the base is provided with a front support and a rear support in parallel along the front-rear direction, the upper ends of the two supports are respectively provided with a through bearing hole, bearings are arranged in the bearing holes, the bearing rod passes through the lower end of the rotary platform, two ends of the bearing rod are sleeved in the bearing middle holes at the upper ends of the two supports, and the front end of the bearing rod passes through the bearing middle holes at the upper ends of the front support and is fixedly connected with the rear end of a rotating block of the regulating mechanism.

Two limiting blocks are arranged in the side limiting groove of the cylindrical body of the rotating block at equal intervals along the circumferential direction, and the two limiting blocks are symmetrically arranged in the side limiting groove of the cylindrical body by taking the cylindrical axial lead as a symmetrical axis; the limiting rings are provided with more than six limiting holes at equal intervals in grooves formed in the inner wall of the middle hole along the circumferential direction.

The tapered platform that stopper upper end left side was equipped with is the quadrangular frustum, and the downthehole wall recess cover in spacing ring centre is in quadrangular frustum top, and tapered platform upper end fixed connection bulb, in the spacing downthehole spacing of spacing ring centre hole wall recess was inserted to the bulb, the pressing platform that stopper upper end right side was equipped with was the tetragonal shape.

Two springs I are arranged between the lower end of each limiting block and the bottom of the limiting groove along the left-right direction, the upper ends of the springs I are fixedly connected with the lower ends of the limiting blocks, and the lower ends of the springs I are fixedly connected with the bottom of the limiting groove.

The slot shape that pull rod itself cylinder upper end was equipped with is a square recess, and the spacer pin is a cylinder that the cross-section is square, and the cylinder lower extreme inserts in square recess, and the cylinder upper end passes mount itself pinhole and a rectangle handle left end that sets up along left and right directions is fixed continuous.

The upper ends of the right side and the left side of the clamping block I and the clamping block II are respectively provided with a square clamping plate I and a square clamping plate II which are the same in size, the middle parts of the right side and the left side of the square clamping plate I and the square clamping plate II are respectively provided with an arc groove along the front-back direction, and the inner surfaces of the arc grooves are coated with a layer of rubber; the left end of the second spring is fixedly connected with the right end of the vertical plate of the second clamping block, and the right end of the second spring is fixedly connected with the left end of the vertical plate of the first clamping block; the left end of the pull rod of the limiting mechanism passes through the lower side of the clamping block and is fixedly connected with the lower side of the right end of the vertical plate of the second clamping block.

Compared with the prior art, the utility model has the following advantages:

1. according to the micrometer base, when the micrometer base is used, when the angle of the first clamping block needs to be rotated, two limiting blocks are oppositely extruded, so that the ball head end of the limiting block is separated from the limiting block of the limiting ring, the first clamping block is released from limiting, the first clamping block is rotated to a required angle, at the moment, the limiting block is loosened, one end of the limiting block is automatically clamped into a limiting hole at a corresponding position under the action of the first spring, and the rotating block is limited, so that the first clamping block is limited.

2. This micrometer base through setting up stop gear, when using, when needs fix the micrometer, inwards pull the pull rod, drive clamp splice two inwards remove, simultaneously the spacer pin receive automatic upwards slip after the extrusion, after pressing from both sides tight to the micrometer, the spacer pin falls automatically and inserts in the slot of corresponding position, carry out spacingly to pull rod and clamp splice two, after using, upwards pull the spacer pin, under the effect of spring two, clamp splice two atress quick reset, remove spacingly to the micrometer, the device is convenient for carry out quick spacing to the position of clamp splice two, the convenience is fixed fast to the micrometer again simultaneously can be to micrometer quick dismantlement spacing, convenient operator's operation, the time is saved, the practicality of this micrometer base has been improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a clamping block I and an adjusting mechanism according to the present utility model;

FIG. 3 is a schematic cross-sectional view of the adjustment mechanism of the present utility model;

FIG. 4 is a schematic view of a stop collar according to the present utility model;

FIG. 5 is a schematic diagram of a second clamping block and a limiting mechanism according to the present utility model;

fig. 6 is a schematic cross-sectional view of a limiting mechanism according to the present utility model.

In the figure: 1, a base; 2, rotating the platform; 3 square flat plate I; 4 arc grooves; 5 clamping blocks I; 6, adjusting a structure; 601 a bearing rod; 602 turning blocks; 603 limiting blocks; 604 spring one; 605 a stop collar; 606 limiting holes; 7, clamping blocks II; 8 square clamping plates II; 9 a limiting mechanism; 901 a pull rod; 902 fixing frame; 903 stop pins; 904 a slot; 905 spring two; 906 top cap.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 6, a micrometer base comprises a base 1, an adjusting mechanism 6, a limiting mechanism 9, a clamping block one 5, a clamping block two 7 and a rotating platform 2; the clamping blocks II 7 and the clamping block I5 are vertical plates, and the second clamping block is positioned on the left side of the upper end of the rotary platform 2; the lower end of the clamping block I5 is fixedly connected with the right of the upper end of the rotary platform 2; arc grooves 4 are formed in the upper part of the left side surface of the vertical plate of the clamping block I5 and the upper part of the right side surface of the vertical plate of the clamping block II 7; the base 1 is provided with a front support and a rear support in parallel along the front-rear direction, the upper ends of the two supports are respectively provided with a through bearing hole, bearings are arranged in the bearing holes, one bearing rod 601 passes through the lower end of the rotary platform 2 in the middle, two ends of the bearing rod 601 are sleeved in the bearing middle holes of the upper ends of the two supports, and the front end of the bearing rod 601 passes through the bearing middle holes of the upper ends of the front support and is fixedly connected with the rear end of a rotating block 602 of the regulating mechanism 6; the right side of the vertical plate of the first clamping block 5 is provided with a limiting mechanism 9, and the left end of a pull rod 901 of the limiting mechanism 9 passes through the first clamping block 5 and is fixedly connected with the right end of the vertical plate of the second clamping block 7; the beneficial effect that sets up like this lies in this micrometer base can realize fast to micrometer centre gripping and quick adjustment and realize being fit for micrometer measuring rotation angle.

Wherein the adjusting mechanism 6 comprises a rotating block 602 and a limiting ring 605; the rotating block 602 is a cylindrical body, and a limit groove is circumferentially arranged along the side surface of the cylindrical body; two limiting blocks 603 are arranged in the limiting groove on the side face of the cylindrical body at equal intervals along the circumferential direction, and a first spring 604 is arranged between the lower end of the limiting block 603 and the bottom of the limiting groove; the limiting ring 605 is an annular shell provided with grooves along the circumferential direction of the inner wall of the annular middle hole, and more than one limiting hole 606 is arranged in the grooves at equal intervals; the left side of the upper end of the limiting block 603 is provided with a conical table, a groove on the inner wall of the middle hole of the limiting ring 605 is covered above the conical table, the upper end of the conical table is fixedly connected with a ball head, the ball head is inserted into a limiting hole 606 on the groove on the inner wall of the middle hole of the limiting ring 605, the right side of the upper end of the limiting block 603 is provided with a pressing platform, and the left side of the limiting ring 605 is fixedly connected to the front end face of the upper end of the front bracket; the beneficial effect of setting up like this lies in through setting up adjustment mechanism 6, when using, when the angle of rotatory clamp splice one 5, two stoppers 603 of opposite direction extrusion make the ball head end of stopper 603 break away from in the stopper 603 of spacing ring 605, release spacing to clamp splice one 5, rotate clamp splice one 5 to the angle of needs, at this moment, loosen stopper 603, under the effect of spring one 604, the spacing hole 606 inside of corresponding position is gone into to the automatic card again of one end of stopper 603, spacing to rotating block 602, thereby carry out spacingly to clamp splice one 5, the device is convenient for remove spacing fast to clamp splice one 5 when rotatory, and carry out quick fixation after rotatory, and is easy operation convenient, labour saving and time saving, convenient operating personnel use, thereby the convenience of this micrometer base has been improved.

The limiting mechanism 9 comprises a pull rod 901, a fixing frame 902 and a top cap 906; the pull rod 901 is in a cylindrical shape, the left end of the cylindrical body passes through the clamping block I5 and is fixedly connected with the end face of the right end of the clamping block II 7, the right end of the cylindrical body is fixedly connected with the left end of the top cap 906, and a spring II 905 is sleeved on the cylindrical body of the cylindrical body positioned between the clamping block II 7 and the clamping block I5; the upper end of the cylinder is provided with more than one slot 904 along the axial line direction of the cylinder, and the middle parts of the side surfaces of the two sides of the cylinder are provided with clamping grooves along the axial line direction of the cylinder; the fixing frame 902 is an inverted U-shaped frame, two edge folding ends of the U-shaped frame are inwards bent and inserted into clamping grooves formed in the middle of two side surfaces of the cylinder, a pin hole is formed in the bottom plate surface of the U-shaped frame, and the lower end of the limiting pin 903 penetrates through the pin hole and is inserted into a slot 904 formed in the upper end of the cylinder; the conical table arranged on the left side of the upper end of the limiting block 603 is a quadrangular frustum, a groove on the inner wall of the middle hole of the limiting ring 605 is covered above the quadrangular frustum, the upper end of the conical table is fixedly connected with a ball head, the ball head is inserted into a limiting hole 606 on the groove on the inner wall of the middle hole of the limiting ring 605, and the pressing platform arranged on the right side of the upper end of the limiting block 603 is square; two first springs 604 are arranged between the lower end of the limiting block 603 and the bottom of the limiting block groove along the left-right direction, the upper ends of the first springs 604 are fixedly connected with the lower ends of the limiting block 603, and the lower ends of the first springs 604 are fixedly connected with the bottom of the limiting block groove; the beneficial effect of setting up like this lies in through setting up stop gear 9, when using, when needs fix the micrometer, inwards pull rod 901, drive clamp splice two 7 inwards remove, simultaneously the spacer pin 903 receive automatic upwards slip after the extrusion, after pressing from both sides the micrometer, spacer pin 903 automatic whereabouts inserts in the slot 904 of corresponding position, carry out spacingly to pull rod 901 and clamp splice two 7, after using, upwards pull spacer pin 903, under the effect of spring two 905, clamp splice two 7 atress quick reset, remove spacingly to the micrometer, the device is convenient for carry out quick spacing to clamp splice two 7's position, conveniently to micrometer's quick fixed, simultaneously again can remove spacingly to the micrometer fast, convenient operator operates, the practicality of this micrometer base has been improved.

The slot 904 that pull rod 901 itself cylinder upper end was equipped with is square recess, and spacer pin 903 is a cylinder that the cross-section is square, and the cylinder lower extreme inserts to square recess in, and the cylinder upper end passes mount 902 itself pinhole and a rectangle handle left end fixed continuous that sets up along left and right directions, and the purpose of setting like this is in order to strengthen the fastness after spacer pin 903 inserts in the slot 904, on the other hand is the rectangle handle that sets up through spacer pin 903 upper end to the operating personnel of being convenient for operate.

The upper ends of the right side of the vertical plate of the clamping block I5 and the upper end of the left side of the vertical plate of the clamping block II 7 are respectively provided with a square clamping plate I3 and a square clamping plate II 8 which are the same in size, the middle parts of the right side of the square clamping plate I3 and the left side of the square clamping plate II 8 are respectively provided with an arc groove 4 along the front-back direction, and the inner surfaces of the arc grooves 4 are coated with a layer of rubber; the left end of a second spring 905 is fixedly connected with the right end of the vertical plate of the second clamping block 7, and the right end of the second spring 905 is fixedly connected with the left end of the vertical plate of the first clamping block 5; the left end of the pull rod 901 of the limiting mechanism 9 passes through the lower side of the clamping block I5 and the lower side of the right end of the vertical plate of the clamping block II 7, and the purpose of the arrangement is that the arc grooves 4 in the middle of the left end of the square clamping plate I3, the right end of the square clamping plate I and the end surfaces of the square clamping plate I and the square clamping plate I are used for clamping the micrometer, and the inner surface of the arc groove 4 is coated with a layer of rubber to avoid clamping damage to the micrometer.

The working process of the utility model is as follows:

s1, when the micrometer needs to be fixed in use, the pull rod 901 is pulled rightwards to drive the clamping block II 7 to move rightwards, and meanwhile, the limiting pin 903 automatically slides upwards after being extruded;

s2, after the micrometer is clamped, the limiting pin 903 automatically falls down and is inserted into the slot 904 at the corresponding position, and the pull rod 901 and the second clamping block 7 are limited;

s3, when the first clamping block 5 is required to rotate by an angle, pressing platforms of the two limiting blocks 603 are oppositely pressed, so that the ball ends of the limiting blocks 603 are separated from the limiting blocks 603 of the limiting ring 605, the first clamping block 5 is released from limiting, and the first clamping block 5 is rotated to a required angle;

s4, at the moment, a limiting block 603 is loosened, one end of the limiting block 603 is automatically clamped into a limiting hole 606 at a corresponding position under the action of a first spring 604, and the rotating block 602 is limited, so that a first clamping block 5 is limited;

s5, after the micrometer is used, the limiting pin 903 is pulled upwards, and under the action of the second spring 905, the second clamping block 7 is subjected to stress and is reset rapidly, so that the micrometer is relieved of limiting.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. A micrometer base comprises a body, an adjusting mechanism and a limiting mechanism; the body comprises a rotary platform, a clamping block II and a clamping block I are arranged on the left side and the right side above the rotary platform, the lower end of the clamping block is fixedly connected with the rotary platform, and the lower end of the rotary platform is hinged with the upper end of the base through a bearing rod structure; the method is characterized in that: the adjusting mechanism comprises a rotating block, and the front end of a bearing rod of the bearing rod structure passes through the lower end of the rotating platform and the upper end of the base and is fixedly connected with the rear end of the rotating block of the adjusting mechanism; the rotating block is a cylindrical body, and a limit groove is formed along the circumferential direction of the side surface of the cylindrical body; a limiting block is arranged in the side limiting groove of the cylindrical body along the circumferential direction, and a first spring is arranged between the lower end of the limiting block and the bottom of the limiting groove; the limiting ring is in the shape of an annular shell provided with grooves along the circumferential direction along the inner wall of the middle hole, and limiting holes are arranged in the grooves at equal intervals; the left side of the upper end of the limiting block is provided with a conical table, a groove on the inner wall of the middle hole of the limiting ring is covered above the conical table, the upper end of the conical table is fixedly connected with a ball head, the ball head is inserted into a limiting hole on the groove on the inner wall of the middle hole of the limiting ring, the right side of the upper end of the limiting block is provided with a pressing platform, and the left side of the limiting ring is fixedly connected to the front side surface of the upper end of the base; the limiting mechanism comprises a pull rod, the pull rod is in a cylindrical shape, the left end of the cylindrical body passes through the first clamping block and is fixedly connected with the end face of the right end of the second clamping block, a second spring is sleeved on the cylindrical body between the second clamping block and the first clamping block, and the right end of the cylindrical body is fixedly connected with the left end of the top cap; slots are formed in the upper end of the cylinder at equal intervals along the left-right direction, and clamping grooves are formed in the middle of the side surfaces of the two sides of the cylinder along the left-right direction; the fixing frame is in the shape of an inverted U-shaped frame, two edge folding ends of the U-shaped frame are inwards bent and inserted into clamping grooves formed in the middle of the side faces of two sides of the cylinder, a pin hole is formed in the bottom plate face of the U-shaped frame, and the lower end of a limiting pin penetrates through the pin hole and is inserted into a slot formed in the upper end of the cylinder.

2. A micrometer mount according to claim 1, wherein: the bearing rod structure for realizing the hinge connection of the lower end of the rotary platform and the upper end of the base comprises a front support and a rear support, wherein the upper end of the base is provided with a front support and a rear support in parallel along the front-rear direction, the upper ends of the two supports are respectively provided with a through bearing hole, bearings are arranged in the bearing holes, the middle of the bearing rod passes through the lower end of the rotary platform, two ends of the bearing rod are sleeved in the bearing middle holes of the upper ends of the two supports, and the front end of the bearing rod passes through the bearing middle holes of the upper ends of the front support and is fixedly connected with the rear end of a rotating block of the regulating mechanism.

3. A micrometer mount according to claim 1, wherein: two limiting blocks are arranged in the side limiting groove of the cylindrical body of the rotating block at equal intervals along the circumferential direction, and the two limiting blocks are symmetrically arranged in the side limiting groove of the cylindrical body by taking the cylindrical axial lead as a symmetrical axis; the limiting rings are provided with more than one limiting holes at equal intervals in grooves formed in the inner wall of the middle hole along the circumferential direction.

4. A micrometer mount according to claim 3, wherein: the conical table arranged on the left side of the upper end of the limiting block is a quadrangular frustum, the inner wall groove of the middle hole of the limiting ring is covered above the quadrangular frustum, and the pressing platform arranged on the right side of the upper end of the limiting block is in a tetragonal shape.

5. A micrometer mount according to claim 4, wherein: two first springs are arranged between the lower end of the limiting block and the bottom of the limiting block along the left-right direction, the upper ends of the first springs are fixedly connected with the lower ends of the limiting block, and the lower ends of the first springs are fixedly connected with the bottom of the limiting block.

6. A micrometer mount according to claim 1, wherein: the slot shape that pull rod itself cylinder upper end was equipped with is a square recess, and the spacer pin is a cylinder that the cross-section is square, and the cylinder lower extreme inserts in square recess, and the cylinder upper end passes mount itself pinhole and a rectangle handle left end that sets up along left and right directions is fixed continuous.

7. A micrometer mount according to claim 1, wherein: the upper ends of the right side and the left side of the clamping block I and the clamping block II are respectively provided with a square clamping plate I and a square clamping plate II which are the same in size, the middle parts of the right side and the left side of the square clamping plate I and the square clamping plate II are respectively provided with an arc groove along the front-back direction, and the inner surfaces of the arc grooves are coated with a layer of rubber; the left end of the second spring is fixedly connected with the right end of the vertical plate of the second clamping block, and the right end of the second spring is fixedly connected with the left end of the vertical plate of the first clamping block; the left end of the pull rod of the limiting mechanism passes through the lower side of the clamping block and is fixedly connected with the lower side of the right end of the vertical plate of the second clamping block.