CN211178183U

CN211178183U - Depth vernier caliper

Info

Publication number: CN211178183U
Application number: CN201922287741.3U
Authority: CN
Inventors: 张林涛; 赵纪锋; 张正刚
Original assignee: Xi'an First Railway Engineering Consulting And Supervision Co ltd
Current assignee: Xi'an First Railway Engineering Consulting And Supervision Co ltd
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2020-08-04
Anticipated expiration: 2029-12-18

Abstract

The utility model relates to a depth vernier caliper, which comprises a caliper frame and a caliper body arranged in the caliper frame in a sliding way, a measuring reference surface is formed on one side of the ruler frame, a stop groove communicated with one side of the ruler frame close to the ruler body is arranged on the ruler frame, one side of the stopping groove, which is far away from the ruler body, is provided with an inclined plane, one side of the ruler frame, which is far away from the ruler body, is provided with a stopping hole communicated with the stopping groove, the inclined surface of the stop hole at the stop groove is farthest from the ruler body and is communicated with the stop groove, a stop block is arranged in the stop groove, one end of the stop block close to the stop hole is arranged to be an arc-shaped surface, the downthehole catch bar that is provided with along its endwise slip of locking, the catch bar is close the one end butt of blade the arcwall face of stop block, the utility model discloses have and to fix fast and then improved the effect of its convenience when using the blade.

Description

Depth vernier caliper

Technical Field

The utility model belongs to the technical field of measuring tool's technique and specifically relates to a degree of depth slide caliper is related to.

Background

The depth vernier caliper is used for measuring the depth of a groove or a hole, the height of a ladder layer of a trapezoidal workpiece, the length and other dimensions, and is commonly referred to as a depth gauge. The common measurement ranges are 0-100 mm, 0-150 mm, 0-300 mm, and the common precision of 0-500 mm is 0.02mm, 0.01mm (determined by the number of divisions on the cursor). Vernier calipers are usually measured by taking multiple measurements and then averaging the measurements.

Chinese patent No. CN204555861U discloses a depth vernier caliper with a replaceable head, which comprises a caliper frame, a caliper body sliding in the caliper frame and used for measuring the depth, a fastener for fixing the caliper frame and the caliper body, and a vernier arranged on the surface of the caliper frame; the measuring head is a standard part, and is detachably connected with the front end face of the ruler body close to the measuring reference surface; when the front end face of the measuring head is level with the measuring reference surface, the zero scale of the vernier is aligned with the zero scale of the ruler body, and the fastening piece is set to be a fastening screw. The technical scheme can change the measuring head so as to adapt to various working conditions under different conditions; the depth vernier caliper is applicable to various measuring objects.

The above prior art solutions have the following drawbacks: the fastening piece still adopts fastening screw, and is comparatively troublesome when fixing the ruler body, and the operation is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a can fix and then improve its degree of depth slide caliper of convenience when using fast to the blade not enough that prior art exists.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: the utility model provides a degree of depth slide caliper, include the chi frame with slide set up in blade in the chi frame, chi frame one side forms the measurement reference surface, be provided with the intercommunication on the chi frame is close the locking groove of blade one side, the locking groove is kept away from blade one side sets up to the inclined plane, the chi frame is kept away from blade one side is provided with the intercommunication the locking hole of locking groove, the locking hole in the inclined plane of locking groove is apart from the blade is in furthest the locking groove intercommunication, be provided with the stop block in the locking groove, the stop block is close locking hole one end sets up to the arcwall face, it is provided with the catch bar to slide along its axial in the locking hole, the catch bar is close the one end butt of blade the arcwall face of stop block.

Through adopting above-mentioned technical scheme, this degree of depth slide caliper is after the measurement is accomplished, press the catch bar and make the catch bar slide towards the blade along the axial in locking hole, in this process, the catch bar butt will promote the catch block one end of stopping the piece and keep away from the catch bar and slide in the locking groove, because one side that the blade was kept away from to the locking groove is the inclined plane, consequently, the catch block slides towards the blade gradually when keeping away from the catch bar gliding, at last until the catch block supports tight blade, quick completion is fixed to position between blade and the chi frame like this, the convenience when having improved the device and using for surveying personnel can accomplish many times fast and measure.

The present invention may be further configured in a preferred embodiment as: one end of the push rod, which is abutted against the push rod, is arranged to be in a spherical crown shape.

Through adopting above-mentioned technical scheme for the catch bar is more smooth when promoting the stopper slip, makes pressing of catch bar easier.

The present invention may be further configured in a preferred embodiment as: the stop groove is of a right triangle shape, the stop block is of a fan shape, any bevel edge of the stop block is in sliding connection with the bevel of the stop groove, the other edge of the stop block is parallel to the ruler body, and an elastic device is arranged between the stop block and the groove wall of the stop groove and enables the stop block to have a tendency of abutting against the push rod.

Through adopting above-mentioned technical scheme, the retaining groove is further injectd to right triangle, and the stop block is further injectd to fan-shaped, and arbitrary hypotenuse of stop block and the inclined plane sliding connection of retaining groove, and the parallel blade setting of another side of stop block for stop block and retaining groove and blade all are the contact of face with the face, have increased the area of contact between stop block and the blade, have improved the location effect, and resilient means is used for the automatic re-setting of stop block and catch bar.

The present invention may be further configured in a preferred embodiment as: the T-shaped block is arranged on the inclined surface of the stop groove along the length direction of the inclined surface, and the inclined edge of the inclined surface of the stop groove, which is in sliding connection with the inclined surface of the stop groove, is provided with a T-shaped groove corresponding to the T-shaped block.

By adopting the technical scheme, when the stop block slides in the stop groove, the T-shaped groove slides relative to the T-shaped block along the length direction of the T-shaped groove, so that the sliding connection between the stop block and the groove wall of the stop groove is realized.

The present invention may be further configured in a preferred embodiment as: the elastic device is a spring, a limit hole is formed in the inclined surface of the stop block, one end of the spring is fixedly connected with the bottom wall of the limit hole, and the other end of the spring is fixedly connected with the inclined surface of the stop groove.

By adopting the technical scheme, when the relative position between the ruler body and the ruler frame is not fixed, the pressure applied to the push rod is removed, the spring contracts under the action of the elastic force of the spring, and the stop block slides towards the stop hole.

The present invention may be further configured in a preferred embodiment as: the end, far away from the ruler body, of the stop hole is provided with a limiting ring, one side, far away from the ruler body, of the push rod is provided with a pressing rod, and the pressing rod penetrates through the limiting ring and extends out of the stop hole.

Through adopting above-mentioned technical scheme, keep away from blade one end at the locking hole and set up the spacing ring and restrict the catch bar in the locking hole, keep away from blade one end at the catch bar and set up the catch bar and press the catch bar, prevented like this through the spacing ring that the catch bar from falling out the locking hole, continued the slip that has realized the catch bar in the locking hole along its axial through the catch bar again.

The present invention may be further configured in a preferred embodiment as: the ruler comprises a ruler body and is characterized in that limiting blocks I are arranged at two ends of the ruler body, the two opposite sides of the ruler frame correspond to the limiting blocks I, grooves are formed in the ruler frame, limiting blocks II are arranged in the grooves, and the limiting blocks II are close to the measuring reference surface.

Through adopting above-mentioned technical scheme, for preventing the blade roll-off from the chi frame in, set up in the both sides of blade and all set up stopper I, still can be to reaching the biggest for making this degree of depth slide caliper's range, correspond stopper I in the chi frame and set up and supply stopper I to carry out gliding recess, set up stopper II in the recess and restrict the slip of stopper I in the recess, make the blade roll-off chi frame not like this, improved the device's reliability.

The present invention may be further configured in a preferred embodiment as: the ruler body is provided with a scale groove on one side close to the vernier, and scale marks of the ruler body are arranged in the scale groove.

Through adopting above-mentioned technical scheme for when taking place relative slip between blade and the chi frame, set up the scale on the blade and will not worn and torn, improved this degree of depth slide caliper's life-span like this.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the fixing of the position between the ruler body and the ruler frame is rapidly completed, and the convenience of the device in use is improved;

2. the spring realizes the automatic reset of the stop block and the push rod, and the convenience of the device is further improved;

3. the ruler body can not slide out of the ruler frame through limiting of the position between the ruler body and the ruler frame by the limiting block I and the limiting block II.

Drawings

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

FIG. 2 is a partial cross-sectional view of the card frame taken along section A-A of FIG. 1;

fig. 3 is an enlarged schematic view of a portion B in fig. 2.

In the figure, 1, a ruler frame; 11. measuring a reference surface; 12. a stopper groove; 121. a T-shaped block; 13. a stopper block; 131. a T-shaped groove; 132. a limiting hole; 14. a stop hole; 141. a limiting ring; 15. a push rod; 151. a pressing lever; 16. a spring; 17. a groove; 171. a limiting block II; 2. a ruler body; 21. a limiting block I; 22. a scale groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a degree of depth slide caliper, including chi frame 1 and the blade 2 that slides and set up in

chi frame

1, 1 one side of chi frame forms measuring reference surface 11, and blade 2 is close vernier one side and is provided with scale groove 22, and the scale mark setting of blade 2 is in scale groove 22. In this embodiment, the ruler frame 1 is provided with a cursor.

Referring to fig. 2, a triangular stop groove 12 is arranged on one side, abutted to the blade 2, of the blade frame 1, a stop hole 14 communicated with the stop groove 12 is formed in one side, far away from the blade 2, of the blade frame 1, a slope of the stop groove 12 is far away from the blade 2, a fan-shaped stop block 13 is arranged in the stop groove 12, an arc-shaped surface of the stop block 13 is close to the stop hole 14, a push rod 15 is arranged in the stop hole 14 in a sliding mode along the axial direction of the stop hole, one end, close to the blade 2, of the push rod 15 is abutted to the arc-shaped surface of the stop block 13, and one end, abutted to the push.

Referring to fig. 2, a limit ring 141 is arranged at one end of the stop hole 14 far away from the ruler body 2, a pressing rod 151 is arranged at one side of the pushing rod 15 far away from the ruler body 2, and the pressing rod 151 penetrates through the limit ring 141 and extends out of the stop hole 14. In this embodiment, the diameter of the pressing rod 151 is equal to the inner diameter of the limiting ring 141, and the limiting ring 141 and the frame 1 are integrally provided.

Referring to fig. 3, any one of the inclined sides of the stop block 13 is slidably connected with the inclined surface of the stop groove 12, the other side of the stop block 13 is arranged parallel to the ruler body 2, and an elastic device is arranged between the stop block 13 and the groove wall of the stop groove 12, and the elastic device enables the stop block 13 to have the tendency of abutting against the push rod 15. The inclined surface of the stop groove 12 is provided with a T-shaped block 121 along the length direction thereof, and the inclined edge of the stop block 13 in sliding connection with the inclined surface of the stop groove 12 is provided with a T-shaped groove 131 corresponding to the T-shaped block 121.

Referring to fig. 3, the elastic device is a spring 16, a limit hole 132 is formed on the inclined surface of the stopper 13, one end of the spring 16 is fixedly connected to the bottom wall of the limit hole 132, and the other end of the spring 16 is fixedly connected to the inclined surface of the stopper groove 12. Both ends of blade 2 all are provided with stopper I21, and the relative both sides of chi frame 1 correspond stopper I21 and seted up recess 17, and chi frame 1 is provided with stopper II 171 in recess 17, and stopper II 171 is close to the setting of measuring reference surface 11. In this embodiment, a distance of the limiting block I21 is left between the limiting block II 171 and the measuring reference surface 11.

The implementation principle of the embodiment is as follows: after the depth vernier caliper is measured, the pressing rod 151 is pressed to enable the pushing rod 15 to slide towards the ruler body 2 along the axial direction of the stopping hole 14, in the process, the pushing rod 15 is abutted against one end of the stopping block 13 to push the stopping block 13 to slide in the stopping groove 12 away from the pushing rod 15, meanwhile, the T-shaped groove 131 and the T-shaped block 121 are relatively displaced along the length direction of the T-shaped groove, the pushing rod 15 is arranged close to the spherical crown shape of one end of the ruler body 2 to enable the pushing rod 15 and the stopping block 13 to slide more smoothly in the bracket, because one side of the stopping groove 12 away from the ruler body 2 is an inclined surface, the stopping block 13 slides towards the ruler body 2 gradually while being away from the pushing rod 15, and finally, the stopping block 13 abuts against the ruler body 2, at the moment, a measurer can take out the depth vernier caliper for reading, the pressing rod 151 can be released after the reading is finished, at the moment, the spring 16 contracts under the, the stop block 13 slides towards the stop hole 14, the stop block 13 pushes the push rod 15 to slide along the axial direction of the push rod in the stop hole 14 away from the ruler body 2 through the arc-shaped surface, and the stop block 13 and the push rod 15 are both restored to the original positions. The limit ring 141 prevents the push rod 15 from falling out of the stop hole 14, and the bronze drum provided with the pressing rod 151 realizes the sliding of the push rod 15 in the stop hole 14 along the axial direction thereof. The limiting block II 171 and the limiting block I21 limit the sliding of the ruler body 2 along the ruler frame 1, so that the ruler body 2 cannot slide out of the ruler frame 1. The scale marks on the ruler body 2 are arranged in the scale grooves 22, so that the scale marks are prevented from being abraded when the ruler body 2 and the ruler frame 1 slide relatively.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a degree of depth slide caliper, include chi frame (1) and slide set up in blade (2) in chi frame (1), chi frame (1) one side forms measuring reference surface (11), its characterized in that: the ruler is characterized in that a communicating groove (12) is formed in the ruler frame (1) and is communicated with the ruler body (2) side, the ruler body (2) side is arranged to be an inclined surface, the ruler frame (1) is arranged to be far away from the ruler body (2) side and is provided with a communicating stop hole (14) of the stop groove (12), the inclined surface of the stop groove (12) is far away from the ruler body (2) and is communicated with the stop groove (12), a stop block (13) is arranged in the stop groove (12), the stop block (13) is close to one end of the stop hole (14) and is arranged to be an arc-shaped surface, a push rod (15) is arranged in the stop hole (14) in an axial sliding mode, and one end of the ruler body (2) is abutted to the arc-shaped surface of the stop block (13).

2. A depth vernier caliper as claimed in claim 1, wherein: one end of the push rod (15) abutted against the push rod (15) is arranged to be in a spherical crown shape.

3. A depth vernier caliper as claimed in claim 1, wherein: the novel ruler is characterized in that the stop groove (12) is arranged to be a right triangle, the stop block (13) is arranged to be fan-shaped, any bevel edge of the stop block (13) is in sliding connection with a bevel of the stop groove (12), the other edge of the stop block (13) is parallel to the ruler body (2), an elastic device is arranged between the stop block (13) and the groove wall of the stop groove (12), and the elastic device enables the stop block (13) to have a tendency of abutting against the push rod (15).

4. A depth vernier caliper as claimed in claim 3, wherein: the T-shaped block (121) is arranged on the inclined surface of the stop groove (12) along the length direction of the inclined surface, and the T-shaped groove (131) is formed in the inclined edge, connected with the inclined surface of the stop groove (12) in a sliding mode, of the stop block (13) and corresponds to the T-shaped block (121).

5. A depth vernier caliper as claimed in claim 3, wherein: the elastic device is a spring (16), a limit hole (132) is formed in the inclined surface of the stop block (13), one end of the spring (16) is fixedly connected with the bottom wall of the limit hole (132), and the other end of the spring (16) is fixedly connected with the inclined surface of the stop groove (12).

6. A depth vernier caliper as claimed in claim 1, wherein: a limiting ring (141) is arranged at one end, far away from the ruler body (2), of the stop hole (14), a pressing rod (151) is arranged at one side, far away from the ruler body (2), of the push rod (15), and the pressing rod (151) penetrates through the limiting ring (141) and extends out of the stop hole (14).

7. A depth vernier caliper as claimed in claim 1, wherein: both ends of blade (2) all are provided with stopper I (21), the relative both sides of chi frame (1) correspond stopper I (21) are seted up flutedly (17), chi frame (1) in be provided with stopper II (171) in flutedly (17), stopper II (171) are close measurement reference surface (11) set up.

8. A depth vernier caliper as claimed in claim 1, wherein: one side, close to the vernier, of the ruler body (2) is provided with a scale groove (22), and scale marks of the ruler body (2) are arranged in the scale groove (22).