CN215261503U

CN215261503U - Extensible vernier caliper for external measuring claw of building engineering

Info

Publication number: CN215261503U
Application number: CN202120872299.5U
Authority: CN
Inventors: 张海磊
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-26
Filing date: 2021-04-26
Publication date: 2021-12-21
Anticipated expiration: 2031-04-26

Abstract

The utility model discloses an extensible vernier caliper for an external measuring claw in building engineering, which comprises a caliper body, the caliper body comprises a main ruler, a vernier is sleeved on the main ruler in a sliding manner, the upper end and the lower end of the left side of the main ruler are respectively provided with two inner measuring claws which stand against each other and two outer measuring claws which stand against each other, the outer claw comprises a fixed end part, a sliding rod fixedly connected with the bottom end of the fixed end part, a movable claw part and a movable groove arranged in the inner cavity of the movable claw part, the slide bar is connected with the movable groove in a sliding way, the movable claw part is movably provided with a fixing mechanism, the top of the vernier is movably connected with a fastening bolt, the bottom of the vernier is connected with a sliding gear in a sliding way, the right end of the main scale is movably connected with a depth scale, and by arranging a sliding rod, a sliding groove and a fixing mechanism, the outside claw can be used for measuring various lengths, and the use flexibility of the device is improved.

Description

Extensible vernier caliper for external measuring claw of building engineering

Technical Field

The utility model relates to a high accuracy mechanical measuring tool technical field specifically is a but be used for building engineering external measurement claw extension formula slide caliper.

Background

The vernier caliper is a measuring tool for measuring length, inner diameter, outer diameter and depth, and is composed of a main ruler and a vernier attached to the main ruler and capable of sliding, two pairs of movable measuring claws are arranged on the main ruler and the vernier of the vernier caliper, namely an inner measuring claw and an outer measuring claw respectively, the inner measuring claw is generally used for measuring the inner diameter, the outer measuring claw is generally used for measuring the length and the outer diameter, the vernier caliper can be divided into different cell types such as a ten-division vernier caliper, a twenty-division vernier caliper and a fifty-division vernier caliper, the outer measuring claw on the existing vernier caliper is mostly of a fixed structure, the length adjustment is inconvenient, the length of an object with a single length can only be measured, the use flexibility is poor, and therefore, the extensible vernier caliper with the outer measuring claw for the building engineering is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a but be used for building engineering external measurement claw extension formula slide caliper to the external measurement claw on the current slide caliper who proposes in solving above-mentioned background is mostly fixed structure, and inconvenient length adjustment that carries on can only measure the length of single length object, uses the not good problem of flexibility.

In order to achieve the above object, the utility model provides a following technical scheme: a vernier caliper capable of extending an outer measuring jaw of constructional engineering comprises a caliper body, wherein the caliper body comprises a main ruler, a vernier scale is sleeved on the main ruler in a sliding mode, the upper end and the lower end of the left side of the main ruler are respectively provided with two inner measuring jaws standing away from each other and two outer measuring jaws opposite to each other, a single inner measuring jaw and a single outer measuring jaw close to one side end of the vernier scale are fixedly connected with the vernier scale, a single inner measuring jaw and a single outer measuring jaw far away from one side end of the vernier scale are fixedly connected with the main ruler, each outer measuring jaw comprises a fixed end portion, a sliding rod fixedly connected to the bottom end of the fixed end portion, a movable jaw portion and a movable groove formed in the inner cavity of the movable jaw portion, the sliding rod is connected with the movable groove in a sliding mode, a fixing mechanism is movably arranged on the movable jaw portion and used for fixing the position of the sliding rod in the movable groove, and a fastening bolt is movably connected to the top of the vernier scale, the vernier is characterized in that the bottom of the vernier is connected with a sliding gear in a sliding mode, and the right end of the main scale is movably connected with a depth scale.

Further, fixed establishment includes the connecting block, connecting block fixed connection is in the upper end that outer one side was leaned on to movable claw, it has the locating lever to slide to run through in the connecting block, the right-hand member of locating lever slides and runs through movable claw and activity groove and fixedly connected with locating piece, the activity groove on seted up with locating piece assorted locating hole, the locating lever is kept away from the fixed through connection in one side end of movable claw and is had the stopper, is located the cover is equipped with the pressure spring on the locating lever between stopper and the connecting block.

Furthermore, a set of mutually opposite limiting grooves are formed in the opposite side ends of the fixed end part and the movable claw part, limiting springs are arranged in the limiting grooves, two limiting grooves are formed in one set of limiting grooves and are respectively located at the left end and the right end of the sliding rod, and the limiting springs are movably connected with the limiting grooves through connecting pieces.

Furthermore, one side end of the positioning block, which is far away from the positioning rod, is provided with a magnetic attraction block, the slide rod is provided with a magnetic attraction iron matched with the magnetic attraction block, and the magnetic attraction block is movably connected with the positioning block through a fixing piece.

Furthermore, the slide bar is a rectangular bar, the bottom end of the slide bar is matched with the bottom end of the movable claw part, and the movable groove is matched with the slide bar.

Furthermore, a handle is fixedly connected to one side end, far away from the limiting block, of the positioning rod, the handle is spherical, and a rubber sleeve is wrapped on the surface of the handle.

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

1. through the arrangement of the slide bar, the slide groove and the fixing mechanism, the positioning rod is pulled outwards by grasping the handle, the positioning block and the magnetic absorption block at one side end of the positioning block can be driven to be separated from the slide bar, wherein the pressure spring is always in a squeezed state, the movable claw part can be pulled downwards through the sliding connection of the sliding rod and the movable groove, thereby the distance between the fixed end part and the movable claw part is lengthened, the device can be suitable for measuring various lengths, when the required length is measured, the handle is loosened, the positioning rod can be driven to reset through the elastic action of the pressure spring, the slide bar is fixed again through the attraction effect of the magnetic block and the magnetic iron, the influence on the measurement result caused by the displacement of the slide bar in the measurement process is avoided, the use flexibility of the device is improved, through setting up spacing spring, be favorable to improving the gliding stability from top to bottom of movable claw portion, and be favorable to the connection integrality of this device.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2;

fig. 4 is a schematic top view of the movable end portion of the present invention.

In the figure: 1. a caliper body; 2. a main scale; 3. a vernier scale; 4. an inner measuring claw; 5. an outer jaw; 51. a fixed end portion; 52. a slide bar; 53. a movable claw portion; 54. a movable groove; 6. a fixing mechanism; 61. connecting blocks; 62. Positioning a rod; 63. positioning blocks; 64. positioning holes; 65. a limiting block; 66. a pressure spring; 7. fastening a bolt; 8. A sliding gear; 9. a depth gauge; 10. a limiting groove; 11. a limiting spring; 12. a magnetic block; 13. a grip; 14. a rubber sleeve.

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, a vernier caliper with an extendable external measuring jaw for construction engineering comprises a caliper body 1, the caliper body 1 comprises a main ruler 2, a vernier 3 is slidably sleeved on the main ruler 2, two internal measuring jaws 4 standing back to each other and two opposite external jaws 5 are respectively arranged at the upper end and the lower end of the left side of the main ruler 2, the single internal measuring jaw 4 and the single external jaw 5 close to one side end of the vernier 3 are both fixedly connected with the vernier 3, the single internal measuring jaw 4 and the single external jaw 5 far away from one side end of the vernier 3 are both fixedly connected with the main ruler 2, the external jaws 5 comprise a fixed end 51, a sliding rod 52 fixedly connected to the bottom end of the fixed end 51, a movable jaw 53 and a movable groove 54 arranged in the inner cavity of the movable jaw 53, the sliding rod 52 is slidably connected with the movable groove 54, the movable jaw 53 is movably provided with a fixing mechanism 6, the fixing mechanism 6 is used for fixing the position of the sliding rod 52 in the

movable groove

54, 3 top swing joint of vernier has fastening

bolt

7, 3 bottom sliding connection of vernier has sliding

gear

8, 2 right-hand members swing joint of main scale have degree of depth chi 9.

Referring to fig. 2, the fixing mechanism 6 includes a connecting block 61, the connecting block 61 is fixedly connected to the upper end of the outer side of the movable claw portion 53, a positioning rod 62 is slidably inserted in the connecting block 61, the right end of the positioning rod 62 slidably penetrates through the movable claw portion 53 and the movable groove 54 and is fixedly connected with a positioning block 63, a positioning hole 64 matched with the positioning block 63 is formed in the movable groove 54, a limiting block 65 is fixedly and penetratingly connected to one side end of the positioning rod 62 away from the movable claw portion 53, a pressure spring 66 is sleeved on the positioning rod 62 between the limiting block 65 and the connecting block 61, the positioning block 65 is conveniently driven to reset by the pressure spring 66, so that the positioning rod 62 is driven to drive the positioning block 63 to reset, which is beneficial to improving the use effect of the device, a set of mutually opposite limiting grooves 10 are formed in one side end of the fixed end portion 51 opposite to the movable claw portion 53, and a set of limiting springs 11 are arranged in the limiting grooves 10, when the limiting spring 11 is reset, the limiting spring 11 can be completely positioned in two vertically opposite movable grooves 54, the limiting grooves 10 are a set of two and are respectively positioned at the left end and the right end of the sliding rod 52, the limiting spring 11 is movably connected with the limiting groove 10 through a connecting piece, the limiting spring 11 can be detachably connected or replaced, one side end of the positioning rod 62 far away from the limiting block 65 is fixedly connected with the handle 13, the handle 13 is spherical, the surface of the handle 13 is wrapped by the rubber sleeve 14, the positioning rod 62 can be pulled by a user conveniently, and the using effect is improved.

Referring to fig. 3, a magnetic attraction block 12 is disposed at a side end of the positioning block 63 away from the positioning rod 62, a magnetic attraction iron matched with the magnetic attraction block 12 is disposed on the sliding rod 52, the magnetic attraction block 12 and the magnetic attraction iron attract each other to further improve the position limiting and fixing between the positioning block 63 and the sliding rod 52, the magnetic attraction block 12 is movably connected to the positioning block 63 through a fixing member, and the magnetic attraction block 12 is detachably connected to the positioning block.

Referring to fig. 4, the slide rod 52 is a rectangular rod, the bottom end of the slide rod 52 matches the bottom end of the movable claw 53, and the movable groove 54 matches the slide rod 52.

The working principle is as follows: when the magnetic suction device is used, the handle 13 is grasped, the positioning rod 62 is pulled outwards, the positioning rod 62 slides outwards on the connecting block 61, the positioning block 63 is driven by the positioning rod 62 to drive the magnetic suction block 12 to be separated from the sliding rod 52, the pressure spring 66 is always in a squeezed state, the movable claw part 53 is pulled downwards through the sliding connection between the sliding rod 52 and the movable groove 54, the distance between the fixed end part 51 and the movable claw part 53 is lengthened, when the magnetic suction device is pulled to a required length, the handle 13 is loosened, the positioning rod 62 is driven to drive the positioning block 63 to reset through the elastic action of the pressure spring 66, the position of the sliding rod 52 can be fixed through the attraction effect of the magnetic suction blocks 12 and the magnetic suction iron on the sliding rod 52, the sliding rod 52 is prevented from moving, and measuring data are influenced.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a but be used for outer measurement claw extension formula slide caliper of building engineering, includes slide caliper rule body (1), its characterized in that: the caliper body (1) comprises a main scale (2), a vernier scale (3) is sleeved on the main scale (2) in a sliding mode, two mutually-backed inner measuring claws (4) and two mutually-opposed outer measuring claws (5) are arranged at the upper end and the lower end of the left side of the main scale (2) respectively, a single inner measuring claw (4) and a single outer measuring claw (5) which are close to one side end of the vernier scale (3) are fixedly connected with the vernier scale (3), a single inner measuring claw (4) and a single outer measuring claw (5) which are far away from one side end of the vernier scale (3) are fixedly connected with the main scale (2), each outer measuring claw (5) comprises a fixed end part (51), a sliding rod (52) fixedly connected to the bottom end of the fixed end part (51), a movable claw part (53) and a movable groove (54) arranged in the inner cavity of the movable claw part (53), the sliding rod (52) is connected with the movable groove (54), and a fixing mechanism (6) is arranged on the movable claw part (53), the vernier caliper is characterized in that the fixing mechanism (6) is used for fixing the position of the sliding rod (52) in the movable groove (54), the top of the vernier (3) is movably connected with a fastening bolt (7), the bottom of the vernier (3) is slidably connected with a sliding gear (8), and the right end of the main scale (2) is movably connected with a depth scale (9).

2. The extendable vernier caliper for the external measuring jaw of the building engineering as claimed in claim 1, wherein: fixed establishment (6) include connecting block (61), connecting block (61) fixed connection leans on the upper end of one side outward in movable claw portion (53), it has locating lever (62) to slide to run through in connecting block (61), the right-hand member of locating lever (62) slides and runs through movable claw portion (53) and activity groove (54) and fixedly connected with locating piece (63), set up on activity groove (54) with locating piece (63) assorted locating hole (64), one side end fixed through connection that movable claw portion (53) was kept away from in locating lever (62) has stopper (65), is located the cover is equipped with pressure spring (66) on locating lever (62) between stopper (65) and connecting block (61).

3. The extendable vernier caliper for the external measuring jaw of the building engineering as claimed in claim 1, wherein: a set of mutually opposite limiting grooves (10) are formed in the opposite side ends of the fixed end portion (51) and the movable claw portion (53), a set of limiting springs (11) are arranged in the limiting grooves (10), a set of two limiting grooves (10) are respectively located at the left end and the right end of the sliding rod (52), and the limiting springs (11) are movably connected with the limiting grooves (10) through connecting pieces.

4. The extendable vernier caliper for the external measuring jaw of the building engineering as claimed in claim 2, wherein: one side end of the positioning block (63) far away from the positioning rod (62) is provided with a magnetic attraction block (12), the sliding rod (52) is provided with a magnetic attraction iron matched with the magnetic attraction block (12), and the magnetic attraction block (12) is movably connected with the positioning block (63) through a fixing piece.

5. The extendable vernier caliper for the external measuring jaw of the building engineering as claimed in claim 1, wherein: the sliding rod (52) is a rectangular rod, the bottom end of the sliding rod (52) is matched with the bottom end of the movable claw part (53), and the movable groove (54) is matched with the sliding rod (52).

6. The extendable vernier caliper for the external measuring jaw of the building engineering as claimed in claim 2, wherein: one side end of the positioning rod (62) far away from the limiting block (65) is fixedly connected with a grip (13), the grip (13) is spherical, and the surface of the grip (13) is wrapped with a rubber sleeve (14).