CN213273999U

CN213273999U - Vernier caliper convenient for measuring thread pitch

Info

Publication number: CN213273999U
Application number: CN202021917975.8U
Authority: CN
Inventors: 段金汲
Original assignee: Shanxi Jinyuanxiang Land Planning And Design Co ltd
Current assignee: Shanxi Jinyuanxiang Land Planning And Design Co ltd
Priority date: 2020-09-05
Filing date: 2020-09-05
Publication date: 2021-05-25
Anticipated expiration: 2030-09-05

Abstract

The utility model relates to a slide caliper technical field specifically is a slide caliper convenient to measure screw thread pitch, the device comprises a device body, the device body includes first scale, one side of first scale articulates there is the second scale, slidable mounting has the tape on the first scale, the one end fixed mounting of first scale has first clamp splice, the one end of first clamp splice is equipped with first chuck, the one end fixed mounting of tape has the second clamp splice, the one end of second clamp splice is equipped with the second chuck, the back of second scale is equipped with folding mechanism, folding mechanism includes the telescopic link. The utility model discloses a be provided with folding mechanism, utilize the pivot like this to fold this device to and utilize the supporting role of fixed plate and strengthening rib and magnetite and the adsorption of adsorbing the hole, make first scale and second scale can be fixed together, avoid influencing staff's normal work because be convenient for accomodate the function.

Description

Vernier caliper convenient for measuring thread pitch

Technical Field

The utility model relates to a slide caliper technical field specifically is a slide caliper convenient to measure screw thread pitch.

Background

A vernier caliper is a measuring tool for measuring length, inner diameter, outer diameter and depth. The vernier caliper consists of a main ruler and a vernier attached to the main ruler and capable of sliding. If viewed from the back, the cursor is a whole. The depth gauge is connected with the vernier, and can measure the depth of the groove and the barrel.

Along with the continuous perfect of people's engineering technology, make present slide caliper form diversified gradually, and develop the special attack research to different fields, just like the slide caliper that is used for measuring the lead screw tooth distance of owner, though do not possess the slide caliper function of accomplishing, but its vernier corresponds the corresponding lead screw model of being printed on the scale, the staff of being convenient for directly obtains corresponding tooth distance, but partial slide caliper that is used for measuring the lead screw tooth distance of owner does not all possess folding function at present, lead to needing longer knapsack space when the staff carries, thereby carry or transport and led to the fact certain influence to the staff, consequently need design a slide caliper that is convenient for measure the screw tooth distance.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a slide caliper convenient to measure screw thread pitch to solve the present part main use that proposes in the above-mentioned background art and measure the slide caliper of lead screw pitch and do not all possess folding function, lead to needing longer knapsack space when the staff carries, thereby carry or transport the problem that has caused certain influence to the staff.

In order to achieve the above object, the utility model provides a following technical scheme: a vernier caliper convenient for measuring thread pitch comprises a device body, wherein the device body comprises a first fixed length, one side of the first fixed scale is hinged with a second fixed scale, a vernier is slidably arranged on the first fixed scale, a first clamping block is fixedly arranged at one end of the first fixed length, a first clamping head is arranged at one end of the first clamping block, a second clamping block is fixedly arranged at one end of the vernier, a second clamping head is arranged at one end of the second clamping block, the back of the second fixed length is provided with a folding mechanism, the folding mechanism comprises a telescopic rod, the telescopic rod is connected with the second fixed length, the telescopic rod is sleeved with a fixed plate through a rotating shaft, one surface of the fixed plate is fixedly provided with a magnet, the fixed plate is fixedly provided with a reinforcing rib, one surface of the first fixed length is provided with an adsorption hole, and the magnet is inserted into the adsorption hole, and one end of the first chuck and one end of the second chuck are both provided with an extension mechanism.

Preferably, the first chuck and the second chuck are made of martensitic steel.

Preferably, a sliding hole is formed in one end of the second fixed length, a contrast rod is inserted into the sliding hole, and a rubber pad is fixedly mounted at one end of the contrast rod.

Preferably, one side of the second fixed-length surface is provided with anti-skid grains.

Preferably, the extension mechanism comprises an extension bar, the extension bar is connected to the first chuck, an extension groove is formed in one end of the first clamping block, and the extension bar is inserted into the extension groove.

Preferably, rubber bumps are fixedly mounted on two sides of the extension groove, and arc-shaped grooves are uniformly formed in two sides of the inner wall of the extension strip.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through being provided with folding mechanism, utilize the pivot like this to fold this device to and utilize the supporting role of fixed plate and strengthening rib and magnetite and the adsorption of absorption hole, make first scale and second scale can fix together, avoid influencing staff's normal work because be convenient for accomodate the function.

2. Through being provided with slide hole, rubber pad and contrast pole, utilize contrast pole bottom surface and the parallel characteristics of second scale and first scale like this for this device can be more level when measuring the tooth distance, avoids being in the coplanar because the staff is not with this device and lead screw, thereby prevents that this device and lead to measuring numerical value to produce the error inadequately parallelly.

3. Through being provided with the extending groove and extending the strip, can satisfy the staff like this and use this device to measure the work piece width that is in darker position to promoted the practicality of this device, and this device simple structure, the facilitate promotion production.

Drawings

FIG. 1 is a schematic sectional view of the front view of the structure of the present invention;

FIG. 2 is a schematic view of the structure of the present invention from the back;

fig. 3 is a schematic top sectional view of the fixing plate structure of the present invention;

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

In the figure: 1. a device body; 110. a first fixed length; 111. second sizing; 112. a vernier; 113. a first clamping block; 114. a first chuck; 115. a second clamp block; 116. a second chuck; 117. a contrast lever; 118. a rubber pad; 119. a slide hole; 120. anti-skid lines; 2. a folding mechanism; 210. a telescopic rod; 211. a fixing plate; 212. a magnet; 213. an adsorption hole; 214. reinforcing ribs; 3. an extension mechanism; 310. an extension groove; 311. an extension bar; 312. a rubber bump; 313. an arc-shaped groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment:

a vernier caliper convenient for measuring thread pitch comprises a device body 1, the device body 1 comprises a first fixed scale 110, one side of the first fixed scale 110 is hinged with a second fixed scale 111, a movable scale 112 is slidably mounted on the first fixed scale 110, one end of the first fixed scale 110 is fixedly provided with a first clamping block 113, one end of the first clamping block 113 is provided with a first clamping head 114, one end of the movable scale 112 is fixedly provided with a second clamping block 115, one end of the second clamping block 115 is provided with a second clamping head 116, the back of the second fixed scale 111 is provided with a folding mechanism 2, the folding mechanism 2 comprises a telescopic rod 210, the telescopic rod 210 is connected onto the second fixed scale 111, the telescopic rod 210 is sleeved with a fixing plate 211 through a rotating shaft, one side of the fixing plate 211 is fixedly provided with a magnet 212, the fixing plate 211 is fixedly provided with a reinforcing rib 214, one side of the first fixed scale 110 is provided with an adsorption hole 213, the magnet 212 is inserted into the adsorption hole 213, one end of the first clamping head 114 and one end of the second clamping head 116, utilize the pivot like this to fold this device to and utilize the supporting role of fixed plate 211 and strengthening rib 214 and magnetite 212 and the adsorption of absorption hole 213, make first scale 110 and second scale 111 can be fixed together, avoid influencing staff's normal work because be convenient for accomodate the function.

Furthermore, the first clamping head 114 and the second clamping head 116 are made of martensitic steel, so that the first clamping head 114 and the second clamping head 116 are less prone to wear due to the strength of the martensitic steel, error values are reduced, and the service life of the device is indirectly prolonged.

Further, the one end of second scale 111 has been seted up sliding hole 119, contrast pole 117 has been inserted in sliding hole 119, the one end fixed mounting of contrast pole 117 has rubber pad 118, utilize contrast pole 117 bottom surface and the parallel characteristics of second scale 111 and first scale 110 like this, make this device can be more level when measuring the tooth distance, avoid being in the coplanar because the staff is not with this device and lead screw, thereby prevent that this device and lead to measuring numerical value to produce the error because the lead screw is parallel inadequately.

Furthermore, anti-skidding line 120 has been seted up to one side on second scale 111 surface, is convenient for like this increase staff's hand and the frictional force between the second scale 111, and the staff of being convenient for more takes this device.

Further, the extension mechanism 3 comprises an extension bar 311, the extension bar 311 is connected to the first chuck 114, the extension groove 310 is formed in one end of the first chuck 113, and the extension bar 311 is inserted into the extension groove 310, so that the requirement that the width of a workpiece at a deeper position is measured by the device can be met, the practicability of the device is improved, the structure of the device is simple, and the popularization and production are facilitated.

Furthermore, rubber bumps 312 are fixedly mounted on two sides of the extension groove 310, and arc-shaped grooves 313 are uniformly formed in two sides of the inner wall of the extension bar 311, so that the extension length of the extension bar 311 can be fixed, and the device is more stable in a measuring state.

The working principle is as follows: when the worker uses the device, firstly, whether the current type of the screw rod exists or not is marked on the second fixed scale 111, if not, the measurement is started, the second scale 111 is held by hand, the rubber pad 118 is pressed, so that the comparison rod 117 and the lead screw are kept parallel, then the vernier 112 is shifted, the first clamping block 113 and the second clamping block 115 clamp two threads of the lead screw, then the screw on the vernier 112 is rotated, the position of the vernier 112 is positioned, then the reading can be carried out according to the scales on the first fixed scale 110 and the vernier 112, and the tooth pitch can be obtained, when the width of the bottom end of the thread of a large screw rod needs to be measured, the first clamping head 114 and the second clamping head 116 need to be pulled, so that the extension bar 311 slides in the extension slot 310, at which time the rubber knob 312 moves, thereby performing the operations of releasing the position limit and the position limit again with the arc-shaped groove 313 at different positions, and then pulling to a proper measuring position and enabling the rubber bump 312 and the arc-shaped groove 313 to be limited again.

And when needs are packed up this device, only need to pull up the top of telescopic link 210 to take fixed plate 211 to rise, will remove the absorption of magnetite 212 and absorption hole 213 thereupon spacing, rotate fixed plate 211 afterwards, make fixed plate 211 not blockking first chi 110, can let this device fold and accomodate.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A slide caliper convenient to measure screw thread pitch, includes device body (1), its characterized in that: the device body (1) comprises a first fixed scale (110), a second fixed scale (111) is hinged to one side of the first fixed scale (110), a vernier (112) is slidably mounted on the first fixed scale (110), a first clamping block (113) is fixedly mounted at one end of the first fixed scale (110), a first clamping head (114) is arranged at one end of the first clamping block (113), a second clamping block (115) is fixedly mounted at one end of the vernier (112), a second clamping head (116) is arranged at one end of the second clamping block (115), a folding mechanism (2) is arranged at the back of the second fixed scale (111), the folding mechanism (2) comprises a telescopic rod (210), the telescopic rod (210) is connected to the second fixed scale (111), a fixing plate (211) is sleeved on the telescopic rod (210) through a rotating shaft, and a magnet (212) is fixedly mounted at one side of the fixing plate (211), fixed mounting has strengthening rib (214) on fixed plate (211), absorption hole (213) have been seted up to the one side of first chi (110), and magnetite (212) insert in absorption hole (213), the one end of first chuck (114) and second chuck (116) all is equipped with extension mechanism (3).

2. A vernier caliper for facilitating the measurement of thread pitch as claimed in claim 1, wherein: the first clamping head (114) and the second clamping head (116) are made of martensitic steel.

3. A vernier caliper for facilitating the measurement of thread pitch as claimed in claim 1, wherein: one end of the second fixed scale (111) is provided with a sliding hole (119), a contrast rod (117) is inserted into the sliding hole (119), and one end of the contrast rod (117) is fixedly provided with a rubber pad (118).

4. A vernier caliper for facilitating the measurement of thread pitch as claimed in claim 1, wherein: and one side of the surface of the second fixed size (111) is provided with anti-skid grains (120).

5. A vernier caliper for facilitating the measurement of thread pitch as claimed in claim 1, wherein: the extension mechanism (3) comprises an extension bar (311), the extension bar (311) is connected to the first clamping head (114), an extension groove (310) is formed in one end of the first clamping block (113), and the extension bar (311) is inserted into the extension groove (310).

6. A vernier caliper for facilitating the measurement of thread pitch as claimed in claim 5, wherein: the rubber bumps (312) are fixedly mounted on two sides of the extension groove (310), and arc-shaped grooves (313) are uniformly formed in two sides of the inner wall of the extension strip (311).