CN211317152U

CN211317152U - Utensil is examined in shallow hole measurement of portable

Info

Publication number: CN211317152U
Application number: CN201921952632.2U
Authority: CN
Inventors: 单伟锋; 何芳来; 王彬
Original assignee: Anqing CSSC Diesel Engine Co Ltd
Current assignee: Anqing CSSC Diesel Engine Co Ltd
Priority date: 2019-11-12
Filing date: 2019-11-12
Publication date: 2020-08-21
Anticipated expiration: 2029-11-12

Abstract

The utility model discloses an utensil is examined in shallow hole measurement of portable, including the volume body, jack catch, spring, screw rod and handle, open at the handle top has the recess, and the wired hole is opened to handle side lower part, and wired hole top and recess bottom intercommunication, the recess internalization is equipped with the button, the bottom of button is connected with the pinion rack, be equipped with the gear train in the recess, the gear train is connected with the pinion rack meshing, and the cover has the stay cord on the gear train, the upper portion of jack catch is equipped with the lug, the specific side of volume is equipped with the guide pulley, the stay cord is worn out the line hole and is connected on the lug after bypassing the guide pulley. The utility model has the advantages of this examine utensil can carry out the remapping to the shallow hole size, recycles the external micrometer and measures examining the utensil and can obtain aperture size, and measurement accuracy is high, and convenient to use, and operation can be accomplished to skilled workman one hand, the measurement in aperture under the specially adapted complex structure environment.

Description

Utensil is examined in shallow hole measurement of portable

Technical Field

The utility model relates to a machining technology makes technical field, concretely relates to utensil is examined in shallow hole measurement of portable.

Background

In the machining process, some shallow holes (the height is less than 5mm) need to be accurately measured, the conventional detection means (a probe and an inner diameter gauge) cannot carry out measurement due to the structure, and the precision cannot be guaranteed by using a vernier caliper.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an utensil is examined in shallow hole measurement of portable, it has solved current general measuring tool and can't carry out effective measuring problem to the shallow hole under the circumstances of guaranteeing the precision.

The utility model discloses a following technical scheme realizes above-mentioned purpose:

a portable shallow hole measuring and checking tool comprises a gauge body, a jaw, a spring, a screw rod and a handle, wherein a transverse groove and a vertical groove are formed on the gauge body, the bottom end of the vertical groove is communicated with the transverse groove, the clamping jaw and the spring are both arranged in the transverse groove, the clamping jaw extends out of the transverse groove under the elastic force action of the spring, the bottom of the screw rod is movably connected with the vertical groove through threads, the handle is arranged at the top end of the screw rod, the top of the handle is provided with a groove, the lower part of the handle side is provided with a wire hole, the top end of the wire hole is communicated with the bottom of the groove, a button is movably arranged in the groove, the bottom of the button is connected with a toothed plate, a gear set is arranged in the groove and is in meshed connection with the toothed plate, and a pull rope is sleeved on the gear set, a convex block is arranged at the upper part of the clamping jaw, a guide wheel is arranged at the side of the measuring body, and the pull rope penetrates through the wire hole and is connected to the convex block after bypassing the guide wheel.

The further improvement is that when the button is pressed, the toothed plate moves downwards, the toothed plate drives the gear set to rotate, so that the pull rope is drawn upwards, and the pull rope pulls the clamping jaws to contract towards the inside of the transverse groove; when the button is loosened, the clamping jaws extend outwards under the elastic force action of the spring, the pull rope is pulled downwards to enable the gear set to rotate, the gear set drives the toothed plate to move upwards, and the button resets.

The further improvement lies in, the gear train comprises rim plate, first gear and second gear, rim plate and the coaxial linkage of first gear, the second gear is connected with first gear engagement, the radius of rim plate and second gear all is greater than the radius of first gear, and wherein the rim plate is used for connecting and twines the stay cord, and the second gear is used for being connected with the pinion rack meshing.

In a further improvement, the radii of the wheel disc and the second gear are equal and are both twice the radius of the first gear.

The improved structure is characterized in that the toothed plate is of an internal hollow structure, a guide pillar is arranged at the bottom of the groove, and the guide pillar is movably inserted into the toothed plate from the bottom end of the toothed plate.

The further improvement lies in that the bottom of jack catch is opened there is the bar groove, the specific bottom of volume is equipped with the stud pin, the stud pin stretches into the bar inslot for prevent that the jack catch excessively stretches out and drops.

The beneficial effects of the utility model reside in that: the gauge can remap the size of the shallow hole, the outside micrometer is used for measuring the gauge to obtain the size of the hole, the measuring precision is high, the use is convenient, operation can be completed by a skilled worker with one hand, and the gauge is particularly suitable for measuring the hole diameter in a complex structure environment.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the groove of the present invention;

FIG. 3 is a schematic view of the present invention when measuring shallow holes;

in the figure: 1. measuring specifically; 2. a claw; 3. a spring; 4. a screw; 5. a handle; 6. a transverse groove; 7. a vertical slot; 8. a groove; 9. a wire hole; 10. a button; 11. a toothed plate; 12. a gear set; 121. a wheel disc; 122. a first gear; 123. a second gear; 13. pulling a rope; 14. a bump; 15. a guide wheel; 16. a guide post; 17. a strip-shaped groove; 18. and (4) a stud pin.

Detailed Description

The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.

Referring to fig. 1 and 2, a portable shallow hole measurement inspection device comprises a measuring body 1, a jaw 2, a spring 3, a screw rod 4 and a handle 5, wherein a transverse groove 6 and a vertical groove 7 are formed on the measuring body 1, the bottom end of the vertical groove 7 is communicated with the transverse groove 6, the jaw 2 and the spring 3 are both arranged in the transverse groove 6, the jaw 2 extends out of the transverse groove 6 under the elastic force action of the spring 3, the bottom of the screw rod 4 is movably connected with the vertical groove 7 through threads, the handle 5 is arranged at the top end of the screw rod 4, a groove 8 is formed in the top of the handle 5, a wire hole 9 is formed in the lower portion of the side of the handle 5, the top end of the wire hole 9 is communicated with the bottom of the groove 8, a button 10 is movably arranged in the groove 8, the bottom of the button 10 is connected with a toothed plate 11, a gear set 12 is arranged in the groove 8, the gear set 12 is meshed with the toothed plate 11, a pull rope 13 is, the pull rope 13 passes through the wire hole 9 and is connected to the lug 14 after passing through the guide wheel 15.

When the button 10 is pressed, the toothed plate 11 moves downwards, the toothed plate 11 drives the gear set 12 to rotate, so that the pull rope 13 is drawn upwards, and the pull rope 13 pulls the clamping jaws 2 to contract towards the inside of the transverse groove 6; when the button 10 is released, the claws 2 extend outwards under the action of the elastic force of the spring 3, the pull rope 13 is pulled downwards to rotate the gear set 12, the gear set 12 drives the toothed plate 11 to move upwards, and the button 10 is reset.

Wherein, gear train 12 comprises rim plate 121, first gear 122 and second gear 123, and rim plate 121 and the coaxial linkage of first gear 122, second gear 123 and the meshing of first gear 122 are connected, and the radius of rim plate 121 and second gear 123 all is greater than the radius of first gear 122, and wherein rim plate 121 is used for connecting and twines stay cord 13, and second gear 123 is used for being connected with the meshing of pinion rack 11. Specifically, the radii of the wheel disc 121 and the second gear 123 are equal and are twice the radius of the first gear 122, that is, when the toothed plate 11 moves downwards for a certain distance, the distance that the pull rope 13 is pulled upwards for twice can be finally realized, so that the required pressing amount can be effectively reduced.

In particular, the toothed plate 11 is of an internal hollow structure, a guide post 16 is arranged at the bottom of the groove 8, and the guide post 16 is movably inserted into the toothed plate 11 from the bottom end of the toothed plate 11, so as to increase the pressing stability of the button 10. The bottom of jack catch 2 is opened there is a bar groove 17, and the bottom of the concrete 1 of volume is equipped with stud pin 18, and stud pin 18 stretches into in the bar groove 17 for prevent jack catch 2 excessively to stretch out and drop.

The utility model discloses the use when measuring shallow hole does: combine shown in fig. 3, hold the handle with the hand earlier, press button 10 with the thumb, draw 2 the shrink with the jack catch through stay cord 13, the volume body 1 of being convenient for like this puts into downtheholely, when the volume body 1 puts into downthehole completely, loosen button 10, make jack catch 2 stretch out to support on the pore wall, keep screw rod 4 part and the hole terminal surface that awaits measuring perpendicular after that, press handle 5 while rotating handle 5 again, drive screw rod 4 and rotate, make the bottom of screw rod 4 stretch into horizontal groove 6 and compress tightly jack catch 2, take out the utensil of examining this moment, realize shallow hole size's remapping promptly, measure the whole span of examining the utensil with the external micrometer at last and be aperture size promptly, it is very convenient to measure, and the measurement accuracy is high.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.

Claims

1. The utility model provides a utensil is examined in shallow hole measurement of portable, includes the volume body (1), jack catch (2), spring (3), screw rod (4) and handle (5), be formed with horizontal groove (6) and perpendicular groove (7) on the volume body (1), the bottom of erecting groove (7) communicates in horizontal groove (6), jack catch (2) and spring (3) are all located in horizontal groove (6), and jack catch (2) stretch out horizontal groove (6) under the spring action of spring (3), the bottom of screw rod (4) is through screw thread and perpendicular groove (7) swing joint, establish the top at screw rod (4) handle (5), its characterized in that: open at handle (5) top has recess (8), and open wired hole (9) handle (5) side lower part, line hole (9) top and recess (8) bottom intercommunication, recess (8) internalization is equipped with button (10), the bottom of button (10) is connected with pinion rack (11), be equipped with gear train (12) in recess (8), gear train (12) are connected with pinion rack (11) meshing, and the cover has stay cord (13) on gear train (12), the upper portion of jack catch (2) is equipped with lug (14), the side of the volume body (1) is equipped with guide pulley (15), stay cord (13) are worn out line hole (9) and are connected on lug (14) after bypassing guide pulley (15).

2. The portable shallow hole measurement gauge according to claim 1, characterized in that: when the button (10) is pressed, the toothed plate (11) moves downwards, the toothed plate (11) drives the gear set (12) to rotate, the pull rope (13) is pulled upwards, and the pull rope (13) pulls the clamping jaws (2) to contract towards the inside of the transverse groove (6); when the button (10) is loosened, the clamping jaws (2) extend outwards under the elastic force action of the spring (3), the pull rope (13) is pulled downwards to enable the gear set (12) to rotate, the gear set (12) drives the toothed plate (11) to move upwards, and the button (10) resets.

3. The portable shallow hole measurement gauge according to claim 1 or 2, characterized in that: the gear set (12) comprises rim plate (121), first gear (122) and second gear (123), rim plate (121) and first gear (122) coaxial linkage, second gear (123) are connected with first gear (122) meshing, the radius of rim plate (121) and second gear (123) all is greater than the radius of first gear (122), and wherein rim plate (121) are used for connecting and twine stay cord (13), and second gear (123) are used for being connected with pinion rack (11) meshing.

4. The portable shallow hole measurement gauge according to claim 3, characterized in that: the radius of the wheel disc (121) and the radius of the second gear (123) are equal and are both twice of the radius of the first gear (122).

5. The portable shallow hole measurement gauge according to claim 1 or 2, characterized in that: the toothed plate (11) is of an internal hollow structure, a guide post (16) is arranged at the bottom of the groove (8), and the guide post (16) is movably inserted into the toothed plate (11) from the bottom end of the toothed plate (11).

6. The portable shallow hole measurement gauge according to claim 1 or 2, characterized in that: the bottom of jack catch (2) is opened there is bar groove (17), the bottom of the concrete (1) of volume is equipped with stud pin (18), stud pin (18) stretch into bar groove (17) in for prevent that jack catch (2) excessively stretch out and drop.