CN217686912U - High-precision sphere diameter measuring device - Google Patents

Abstract

The utility model discloses a high-precision spherical diameter measuring device, which comprises a micrometer main body, a first pressure resisting rod and a second pressure resisting rod, wherein the first pressure resisting rod and the second pressure resisting rod are respectively arranged on two sides of the inner wall of the micrometer main body; be convenient for fix the ball on the cover shell, when measuring the ball, no longer need earlier hold in the palm the ball, improve the convenience of device, when supporting the ball simultaneously, through the gag lever post locking back, make the ball can not drive the gag lever post through fixed bolster and remove, improve the stability of device.

Description

High-precision sphere diameter measuring device

Technical Field

The utility model relates to a measuring device technical field especially relates to a high accuracy sphere diameter measuring device.

Background

In measuring the diameter of the round ball in the mechanical part, the round ball is generally measured by a measuring device, and the existing measuring device can basically meet daily use requirements, but has some defects to be improved.

When measuring a spherical part in a mechanical part, a high-precision micrometer is generally used for measuring, when measuring, the spherical part is taken firstly, the spherical part is placed on a compression bar, the spherical part is held by hands to avoid the spherical part from falling, a rotating rod of the micrometer is screwed at the same time to drive a movable extrusion rod to move, the movable compression bar is attached to the spherical part, the spherical connection is compressed through the fixed extrusion rod and the movable compression bar, so that the spherical part is measured, for example, the micrometer disclosed by the authorized Chinese utility model patent with the number of CN206339159U, the micrometer with the structural design comprises a crank, a fixed end and a movable end measuring head are respectively arranged on two sides of the crank, the movable end measuring head comprises a straight-advancing measuring anvil and a micro screw rod, the micro screw rod rotates to push the straight-advancing measuring anvil to move back and forth, the straight advancing measuring anvil comprises an anvil limiting sliding block and a ball socket which are connected through a straight rod, a micrometer screw comprises a screw body and a ball head, the ball socket and the ball head are matched to form a ball pair structure, the axis of the anvil limiting sliding block, the sphere center of the ball pair structure and the axis of the screw body are in the same straight line, but the size of a spherical part to be measured is small, the spherical part can be troublesome when being taken, when the spherical part is placed on a fixed pressing rod, the spherical part can shake between fingers and the fixed pressing rod, when the spherical part is not tightly taken, the spherical part can fall off, for example, a micrometer of the granted Chinese utility model patent with the publication number of CN206479105U, the micrometer provided by the invention comprises a fixed sleeve, a micro-tube and a micrometer frame, the anvil and the micrometer screw arranged on the micrometer frame, an elastic sleeve extends outwards on the anvil, a circumferential wall is arranged, the elastic sleeve is provided with an opening, the ruler frame is provided with a supporting rod, one end of the supporting rod, which deviates from the ruler frame, is provided with an arc-shaped sucker, an object to be measured is plugged into the elastic sleeve from the opening of the elastic sleeve, then the elastic sleeve, which is plugged with the object to be measured, is placed on the arc-shaped sucker arranged on the supporting rod, and then the rotating knob is used for measuring the object placed on the arc-shaped sucker.

SUMMERY OF THE UTILITY MODEL

In order to overcome prior art's not enough, the utility model provides a high accuracy ball footpath measuring device resumes through spring elastic deformation, and the spring supports the ball through fixed backing plate and presses in the cover shell, when measuring the ball, no longer needs the operator to promote the ball, effectively improves the convenience of device.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a high accuracy ball footpath measuring device, includes that micrometer main part, first pressure bar and the second of supporting support the depression bar, micrometer main part inner wall both sides are provided with respectively that first support the depression bar and the second supports the depression bar, the second supports the pressure bar surface cover and is equipped with the cover shell, the inside fixed backing plate that is provided with of cover shell, fixed backing plate end fixing has the gag lever post, and the gag lever post runs through the cover shell, gag lever post surface cover is equipped with the spring, the spring both ends butt respectively between fixed backing plate and cover shell inner wall.

As a preferred technical scheme of the utility model, cover shell surface sliding connection has the lantern ring, lantern ring middle part is all run through by the gag lever post, the pin slot has all been seted up at the gag lever post middle part and has been dodged, dodge pin slot middle part and inserted the bolt pole, the bolt pole is fixed on the lantern ring.

As an optimized technical scheme of the utility model, the fixed backing plate inner wall has all laminated protective rubber pad.

As a preferred technical scheme of the utility model, gag lever post outside end all is fixed with the connecting rod, and the connecting rod is connected two sets of gag lever posts that are parallel to each other.

As a preferred technical proposal of the utility model, a handle is fixed at any end of the surface of the lantern ring.

As a preferred technical scheme of the utility model, the cover shell surface all is fixed with limit slide, and limit slide is embedded in limit chute, limit chute all sets up on lantern ring inner wall.

As a preferred technical scheme of the utility model, it all sets up to the arc through-hole to dodge the keyway, the bolt pole all sets up to and dodges the arc stick that the keyway matches each other.

Compared with the prior art, the utility model discloses the beneficial effect that can reach is:

1. the high-precision sphere diameter measuring device is provided with a casing, a fixed base plate and a spring, the sphere is placed in the casing and is restored through elastic deformation of the spring, the spring presses the sphere in the casing through the fixed base plate, the casing is sleeved on the surface of a second pressing rod, and therefore the sphere is convenient to fix on the casing, when the sphere is measured, the sphere does not need to be supported firstly, and convenience of the device is effectively improved;

2. this high accuracy ball footpath measuring device is provided with the lantern ring, bolt pole and dodges the keyway, rotates at micrometer main part surface through the lantern ring, makes the lantern ring drive the bolt pole and inserts and dodge the keyway to fix the gag lever post, when carrying out the offset pressure to the ball, through the gag lever post locking back, make the ball can not drive the gag lever post through fixed backing plate and remove, improve device's stability.

Drawings

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

fig. 2 is a schematic side view of a sectional structure of the casing of the present invention;

fig. 3 is a schematic cross-sectional view at a in fig. 1 according to the present invention;

fig. 4 is an enlarged schematic structural diagram of the present invention at B in fig. 3.

Wherein: 1. a micrometer main body; 2. a first pressing rod; 3. a second pressing rod; 4. a collar; 5. a connecting rod; 6. a limiting rod; 7. a spring; 8. fixing the base plate; 9. a protective rubber pad; 10. a limiting slide block; 11. a limiting chute; 12. a housing; 13. a latch rod; 14. avoiding pin grooves; 15. a handle.

Detailed Description

In order to make the technical means, creation features, achievement objects and functions of the present invention easy to understand, the present invention will be further explained with reference to the following embodiments, however, the following embodiments are only preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the embodiment, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example (b):

referring to fig. 1-4, a high-precision sphere diameter measuring device includes a micrometer body 1, a first pressing rod 2 and a second pressing rod 3, the first pressing rod 2 and the second pressing rod 3 are respectively disposed on two sides of an inner wall of the micrometer body 1, a casing 12 is sleeved on a surface of the second pressing rod 3, a fixing pad 8 is disposed inside the casing 12, a limiting rod 6 is attached to an end of the fixing pad 8 through hot melting, the limiting rod 6 penetrates through the casing 12, a spring 7 is sleeved on a surface of the limiting rod 6, and two ends of the spring 7 are respectively abutted between the fixing pad 8 and an inner wall of the casing 12.

When the spherical part is measured, firstly, the spherical part is inserted into the fixed base plate 8, the fixed base plate 8 is pressed by the spherical part, the fixed base plate 8 avoids the spherical part, the fixed base plate 8 pushes the limiting rod 6 to move, the limiting rod 6 moves in a notch formed in the surface of the casing 12, the fixed base plate 8 pushes the spring 7 when the fixed base plate 8 moves, the spring 7 generates elastic deformation, after the spherical part is completely inserted into the casing 12, the elastic deformation is recovered through the spring 7, the spring 7 pushes the fixed base plate 8 to move, the fixed base plate 8 is pressed on the surface of the spherical part, the spherical part is fixed, finally, the casing 12 is sleeved on the surface of the second pressing rod 3, the second pressing rod 3 and the casing 12 are in interference fit, the casing 12 is fixed on the second pressing rod 3, and when the spherical part is measured, the part does not need to be manually supported.

In other embodiments, the surface of the casing 12 is slidably connected with a sleeve ring 4, the middle parts of the sleeve rings 4 are penetrated by the limiting rods 6, the middle parts of the limiting rods 6 are provided with avoidance pin grooves 14, the middle parts of the avoidance pin grooves 14 are inserted with plug pins 13, and the plug pins 13 are thermally welded on the sleeve rings 4;

through this design, after the fixed bolster 8 grasps spherical part, promote the lantern ring 4 and remove, lantern ring 4 removes at cover shell 12 surface through sliding construction, and the waist shape hole of seting up on lantern ring 4 surface removes on gag lever post 6 surface, dodge gag lever post 6 through the waist shape pore pair that the lantern ring 4 surface was seted up, make lantern ring 4 can remove on cover shell 12 surface, lantern ring 4 drives and inserts the bolt pole 13 that sets up to the arc barrel and insert the round pin inslot 14 of dodging that sets up to the arc through-hole, thereby with gag lever post 6's position, and gag lever post 6 is with the rigidity of fixed bolster 8, avoid when measuring, spherical part promotes fixed bolster 8 and removes, the stability of improvement device.

In other embodiments, the inner walls of the fixed backing plates 8 are all attached with protective rubber pads 9;

through this design, when fixed bolster 8 is behind centre gripping bulb, fixed bolster 8 drives protection rubber pad 9 and the laminating of bulb, is rubber products through protection rubber pad 9, and after protection rubber pad 9 and the laminating of bulb surface, protection rubber pad 9 protected the bulb surface, avoids fixed bolster 8 when centre gripping bulb, and fixed bolster 8 fish tail bulb surface.

In other embodiments, the connecting rods 5 are thermally welded to the outer ends of the limiting rods 6, and the connecting rods 5 connect two sets of parallel limiting rods 6;

through this design, connect two sets of gag lever post 6 that are parallel to each other through connecting rod 5, resume when spring 7 elastic deformation, spring 7 drives gag lever post 6 through fixed bolster 8 and removes the back, and gag lever post 6 drives connecting rod 5 and removes, makes connecting rod 5 restrict gag lever post 6, avoids gag lever post 6 to drop from cover shell 12.

In other embodiments, a handle 15 is thermally welded to any end of the surface of the lantern ring 4;

through this design, when pulling the lantern ring 4 and removing, through holding handle 15, pull handle 15 again, handle 15 drives the lantern ring 4 and removes on 12 surfaces of cover shell, make handle 15 drive the lantern ring 4 and remove on 12 surfaces of cover shell, thereby the person of facilitating the use pulls the lantern ring 4 and removes, and handle 15 surface is provided with the semi-circular bump of a plurality of groups, through the semi-circular bump of a plurality of groups that handle 15 surface set up, increase operator's hand and handle 15's frictional force, improve the travelling comfort that the operator gripped handle 15.

In other embodiments, the surfaces of the sleeves 12 are all thermally welded with the limiting sliding blocks 10, the limiting sliding blocks 10 are embedded in the limiting sliding grooves 11, and the limiting sliding grooves 11 are all arranged on the inner wall of the lantern ring 4;

through this design, when the pulling lantern ring 4 moves on the 12 surfaces of cover, the lantern ring 4 drives the spacing spout 11 and moves on the 10 surfaces of spacing slider to make the lantern ring 4 rotate on the 12 surfaces of cover, and move on the 10 surfaces of spacing slider through spacing spout 11, spacing slider 10 and spacing spout 11 restrict the lantern ring 4, avoid rocking about the lantern ring 4.

In other embodiments, the avoidance pin grooves 14 are all arranged as arc-shaped through holes, and the latch rods 13 are all arranged as arc-shaped strips matched with the avoidance pin grooves 14;

through this design, because lantern ring 4 drives bolt pole 13 when removing, bolt pole 13 is the circumference and removes, and after lantern ring 4 drove bolt pole 13 and removes, the arc strip piece that bolt pole 13 set up can insert in the arc through-hole of dodging keyway 14 setting, makes things convenient for bolt pole 13 to insert in dodging keyway 14.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (7)

1. The utility model provides a high accuracy ball footpath measuring device, includes micrometer main part (1), first pressure bar (2) and second pressure bar (3), and micrometer main part (1) inner wall both sides are provided with first pressure bar (2) and second pressure bar (3) respectively, its characterized in that: the second supports depression bar (3) surface cover and is equipped with cover shell (12), cover shell (12) inside is provided with fixed bolster (8), fixed bolster (8) end fixing has gag lever post (6), and gag lever post (6) run through cover shell (12), gag lever post (6) surface cover is equipped with spring (7), spring (7) both ends respectively the butt between fixed bolster (8) and cover shell (12) inner wall.

2. A high-precision sphere diameter measuring apparatus according to claim 1, wherein: cover shell (12) surface sliding connection has lantern ring (4), lantern ring (4) middle part is all run through by gag lever post (6), round pin groove (14) have all been seted up in gag lever post (6) middle part, inserted bolt pole (13) in dodging round pin groove (14) middle part, bolt pole (13) are fixed on lantern ring (4).

3. A high accuracy sphere diameter measuring apparatus according to claim 1, wherein: the inner wall of the fixed backing plate (8) is attached with a protective rubber pad (9).

4. A high accuracy sphere diameter measuring apparatus according to claim 1, wherein: the outer side end of each limiting rod (6) is fixedly provided with a connecting rod (5), and the connecting rods (5) connect two groups of limiting rods (6) which are parallel to each other.

5. A high accuracy sphere diameter measuring apparatus according to claim 2, wherein: a handle (15) is fixed at any end of the surface of the lantern ring (4).

6. A high-precision sphere diameter measuring apparatus according to claim 2, wherein: the surface of the casing (12) is fixed with a limiting sliding block (10), the limiting sliding block (10) is embedded in a limiting sliding groove (11), and the limiting sliding groove (11) is arranged on the inner wall of the sleeve ring (4).

7. A high-precision sphere diameter measuring apparatus according to claim 2, wherein: the avoidance pin grooves (14) are all arc-shaped through holes, and the bolt rods (13) are all arc-shaped strips matched with the avoidance pin grooves (14).

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