Accurate measuring instrument convenient to move

Abstract

The utility model provides an accurate measuring instrument convenient to move, which relates to the technical field of measuring instruments and comprises a measuring instrument body. The measuring instrument body is provided with a vertical placement bearing cylinder, a bearing ring groove is formed in the inner circumference of the top of the placement bearing cylinder, a front-back threaded hole is formed in the rear wall of the top of the placement bearing cylinder, and a front-back insertion hole is formed in the middle of the front wall of the placement bearing cylinder. Three strip-shaped holes in the vertical direction are formed in the bottom wall of the placement bearing cylinder in an annular array mode, mounting holes are formed in the lower ends of the strip-shaped holes of the placement bearing cylinder, the outer circumference of the placement bearing cylinder is conveniently sleeved with the lifting grabbing handle, the lifting grabbing handle is fixed through bolts, and the measuring instrument body can be conveniently lifted and moved through a handle body of the lifting grabbing handle; the problems that the measuring instrument is difficult to carry and move due to the fact that the measuring instrument is not provided with any grabbing and carrying measures, and grabbing measures are inconvenient to be additionally arranged on the measuring instrument, so that the measuring instrument is grabbed by the hand to carry and move are solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of measuring instruments, and in particular relates to a precise measuring instrument which is easy to move. Background Art

[0002] Precision measurement means that relatively accurate measurement values ​​can be obtained within a certain range. It refers to the degree of closeness between the measurement result and the true value, reflecting the influence of the error in the measurement result. The smaller the error, the higher the accuracy. Accuracy mainly focuses on the degree of inconsistency between the measurement result and the true value, that is, the size of the error. Common precision measuring instruments include weight measuring instruments, height measuring instruments, tape measures and rulers.

[0003] Based on the above, the inventors found that the existing precision measuring instruments have the following deficiencies:

[0004] 1. There is no gripping and carrying measure on the measuring instrument, which makes it difficult to carry and move the measuring instrument. It is not convenient to install gripping measures on the measuring instrument to enable the hand to grip and carry the measuring instrument;

[0005] 2. The placement feet at the bottom of the measuring instrument are fixed, which may easily hinder the carrying and movement of the measuring instrument. It is not convenient to set a retractable structure on the measuring instrument to allow the placement feet to be retracted and extended through the retractable structure. Utility Model Content

[0006] In order to solve the above technical problems, the utility model provides a precise measuring instrument that is easy to move, so as to solve the problems that the existing measuring instruments do not have any gripping and carrying measures, which makes the carrying and moving process of the measuring instrument more difficult, and it is inconvenient to install gripping measures on the measuring instrument to enable the hands to grip and carry the measuring instrument; the placing feet at the bottom of the measuring instrument are fixed, which easily hinders the carrying and movement of the measuring instrument, and it is inconvenient to set a retractable structure on the measuring instrument to enable the placing feet to be retracted and extended through the retractable structure.

[0007] The purpose and effect of the portable precision measuring instrument of the utility model are achieved by the following specific technical means:

[0008] A precise measuring instrument that is easy to move comprises a measuring instrument body; the measuring instrument body is provided with a placing and supporting cylinder in the up-down direction, a bearing ring groove is provided on the inner circumference of the top of the placing and supporting cylinder, a threaded hole in the front-to-back direction is provided on the rear wall of the top of the placing and supporting cylinder, an insertion hole in the front-to-back direction is provided in the middle of the front wall of the placing and supporting cylinder, three strip holes in the up-to-back direction are provided in a circular array on the bottom wall of the placing and supporting cylinder, a mounting hole is provided at the lower end of the strip hole of the placing and supporting cylinder, a thread is provided on the outer circumference of the lower part of the placing and supporting cylinder, a carrying and grabbing handle in the up-to-down direction is mounted on the middle outer circumference of the placing and supporting cylinder and fixed by bolts, a sleeve in the up-to-down direction is provided in the middle of the carrying and grabbing handle, a threaded hole in the front-to-back direction is provided in the middle of the front wall of the sleeve of the carrying and grabbing handle, a superior arc cylinder in the up-to-down direction is provided on the upper front part of the outer circumference of the sleeve of the carrying and grabbing handle, and a handle in the up-to-down direction is provided at the rear of the outer circumference of the sleeve of the carrying and grabbing handle.

[0009] Furthermore, a measuring limit rod in the front-to-rear direction is installed in the front of the threaded hole of the lifting measuring rod, a threaded column is arranged on the rear end surface of the measuring limit rod, and a regular hexagonal groove is opened on the front end surface of the measuring limit rod.

[0010] Furthermore, a lifting measuring rod in the up and down directions is installed inside the rotating adjustment cylinder through a thread, a thread is opened on the outer circumference of the lifting measuring rod, a threaded hole penetrating from front to back is opened on the top of the lifting measuring rod, a strip groove in the up and down directions is opened at the rear of the outer circumference of the lifting measuring rod, and scale lines arranged up and down are set in front of the outer circumference of the lifting measuring rod.

[0011] Furthermore, a rotating adjustment cylinder in the up and down directions is installed inside the bearing ring groove for placing the supporting cylinder through a bearing, a thread is opened on the inner circumference of the rotating adjustment cylinder, an anti-slip groove is arranged in a circular array on the outer circumference of the rotating adjustment cylinder, and a bearing ring groove is opened on the outer circumference of the bottom of the rotating adjustment cylinder.

[0012] Furthermore, an anti-slip and anti-rotation column in the front-to-back direction is installed inside the threaded hole for placing the supporting cylinder, a threaded column is arranged in front of the anti-slip and anti-rotation column, a limiting ring plate is arranged on the outer circumference of the rear end of the threaded column of the anti-slip and anti-rotation column, and a regular hexagonal prism is arranged on the rear end surface of the threaded column of the anti-slip and anti-rotation column.

[0013] Furthermore, a retractable and extendable limit cylinder is installed in the up and down directions on the outer circumference of the lower part of the placement bearing cylinder through a thread, a thread is opened on the inner circumference of the retractable and extendable limit cylinder, an anti-slip groove is arranged in a circular array on the outer circumference of the retractable and extendable limit cylinder, and a conical annular groove is opened on the inner circumference of the bottom of the retractable and extendable limit cylinder.

[0014] Furthermore, a placement support plate is installed at the lower end of the strip hole for placing the bearing cylinder through a fixed axis, a semicircular head block with a through hole is arranged on the upper part of the inner end surface of the placement support plate, an inclined surface is arranged on the outer end surface of the placement support plate, and an insertion groove is opened at the lower part of the inclined surface of the placement support plate.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] The convenient carrying grab handle is sleeved on the outer circumference of the carrying tube and fixed by bolts, so that the measuring instrument body can be conveniently carried and moved by the handle of the carrying grab handle, which solves the problem that there is no grasping and carrying measure on the measuring instrument, resulting in the difficulty in carrying and moving the measuring instrument, and it is inconvenient to add grasping measures on the measuring instrument to enable the hand to grasp and carry the measuring instrument.

[0017] The placement support plate is conveniently installed on the placement bearing cylinder for flipping and retracting, and the placement support plate after flipping and retracting is conveniently stopped by the retraction and extension limit cylinder, which solves the problem that the placement support feet at the bottom of the measuring instrument are fixed, which easily hinders the carrying and movement of the measuring instrument, and it is inconvenient to set the retraction and extension structure on the measuring instrument to enable the placement support feet to be retracted and extended through the retraction and extension structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a main structural schematic diagram of the utility model.

[0019] Figure 2 It is a rear view structural schematic diagram of the utility model.

[0020] Figure 3 It is a cross-sectional structural schematic diagram of the utility model.

[0021] Figure 4 It is a schematic diagram of the disassembled structure of the utility model.

[0022] Figure 5 It is a schematic diagram of the mobile state of the utility model.

[0023] Figure 6 It is a rear view schematic diagram of the lifting measuring rod of the utility model.

[0024] In the figure: 1. Measuring instrument body; 2. Placement of the carrying cylinder; 3. Lifting and grabbing handle; 4. Placement of the support plate; 5. Retraction and extension limit cylinder; 6. Anti-slip and rotation stop column; 7. Rotation adjustment cylinder; 8. Lifting and lowering measuring rod; 9. Measuring limit rod. DETAILED DESCRIPTION

[0025] The embodiments of the present invention are further described in detail below in conjunction with the accompanying drawings and examples.

[0026] Embodiment 1:

[0027] As attached Figure 1 To Attachment Figure 6 As shown:

[0028] The utility model provides a precise measuring instrument which is easy to move, including a measuring instrument body 1; the measuring instrument body 1 is provided with a placing and carrying cylinder 2 in the up-and-down direction, which is convenient for carrying various components; a bearing ring groove is provided on the inner circumference of the top of the placing and carrying cylinder 2, which is convenient for the rotation adjustment cylinder 7 to be installed through the bearing; a threaded hole in the front-and-back direction is provided on the rear wall of the top of the placing and carrying cylinder 2, which is convenient for the anti-slip anti-rotation column 6 to be installed through the thread; an insertion hole in the front-and-back direction is provided in the middle of the front wall of the placing and carrying cylinder 2, which is convenient for the fixing bolts of the carrying and grasping handle 3 to be inserted; three strip holes in the up-and-down direction are provided in an annular array on the bottom wall of the placing and carrying cylinder 2, which is convenient for the placing and supporting plate 4 to be received inside; an installation hole is provided at the lower end of the strip hole of the placing and carrying cylinder 2, which is convenient for the placing and supporting plate 4 to be turned over by installing the fixed shaft; a thread is provided on the outer circumference of the lower part of the placing and carrying cylinder 2, which is convenient for the folding and unfolding limit cylinder 5 to be installed through the thread; a carrying and grasping handle 3 in the up-and-down direction is fitted on the middle outer circumference of the placing and carrying cylinder 2 and fixed by bolts, The measuring instrument body 1 can be carried and moved, and a sleeve in the upper and lower directions is provided in the middle of the carrying and grasping handle 3, which is convenient for sleeved on the outer circumference of the placing bearing tube 2. A threaded hole in the front and rear directions is provided in the middle of the sleeve front wall of the carrying and grasping handle 3, which is convenient for fixing the bolt installation. An arc cylinder in the upper and lower front part of the outer circumference of the sleeve of the carrying and grasping handle 3 is provided, which is convenient for measuring the limit rod 9 to be put in and put away. A handle in the upper and lower directions is provided at the rear of the outer circumference of the sleeve of the carrying and grasping handle 3, which is convenient for the hand to grasp. A placing support plate 4 is installed at the lower end of the inner strip hole of the placing bearing tube 2 through a fixed axis, which is convenient for the placing support plate 4 to be turned over and retracted. A semicircular head block with a through hole is provided on the upper part of the inner end surface of the placing support plate 4, which is convenient for turning over by installing the fixed axis. An inclined surface is provided on the outer end surface of the placing support plate 4, which is convenient for receiving the inner strip hole of the placing bearing tube 2. An insertion groove is provided at the lower part of the inclined surface of the placing support plate 4, which is convenient for the placing support plate 4 to insert the lower end of the retracting and extending limit tube 5 into a stopper after being turned over and retracted.

[0029] Among them, a retracting and extending limit cylinder 5 in the up and down directions is installed on the outer circumference of the lower part of the placement bearing cylinder 2 through a thread, which is convenient for stopping the flipping and retracting of the placement support plate 4, and a thread is provided on the inner circumference of the retracting and extending limit cylinder 5 for convenient threaded installation. An anti-skid groove is provided in a circular array on the outer circumference of the retracting and extending limit cylinder 5 for convenient rotation and anti-skid. A conical ring groove is provided on the inner circumference of the bottom of the retracting and extending limit cylinder 5 for convenient insertion of the lower end of the retracting and extending limit cylinder 5 into the insertion groove of the placement support plate 4, and an anti-slip and anti-rotation column 6 in the front and rear directions is installed inside the threaded hole of the placement bearing cylinder 2 for convenient stopping and anti-slipping of the lifting and measuring rod 8, and a thread is provided in front of the anti-slip and anti-rotation column 6. The threaded column is convenient for installation through threads. A limiting ring plate is arranged on the outer circumference of the rear end of the threaded column of the anti-slip and anti-rotation column 6 to facilitate installation and limiting. A regular hexagonal prism is arranged on the rear end face of the threaded column of the anti-slip and anti-rotation column 6 to facilitate rotation and disassembly through tools. A rotating adjustment cylinder 7 in the up and down directions is installed inside the bearing ring groove of the bearing cylinder 2 through a bearing to facilitate rotation of the rotating adjustment cylinder 7. The overall length of the bearing cylinder 2 and the rotating adjustment cylinder 7 after assembly is one meter. A thread is arranged on the inner circumference of the rotating adjustment cylinder 7 to facilitate the installation of the lifting measuring rod 8 through threads. An anti-skid groove is arranged on the outer circumference of the rotating adjustment cylinder 7 to facilitate rotation and anti-slip The outer circumference of the bottom of the rotating adjustment cylinder 7 is provided with a bearing ring groove, which is convenient for installation through the bearing. The interior of the rotating adjustment cylinder 7 is provided with a lifting and measuring rod 8 in the up and down directions through a thread, which is convenient for the lifting and measuring rod 8 to be lifted and lowered through thread engagement. The outer circumference of the lifting and measuring rod 8 is provided with a threaded hole that runs through the front and back of the rotating adjustment cylinder 7, which is convenient for the installation of the limit rod 9 through the thread. The rear of the outer circumference of the lifting and measuring rod 8 is provided with a strip groove in the up and down directions, which is convenient for the anti-slip rotation-stopping column 6 to be inserted to stop the lifting and measuring rod 8 from rotating and slipping. The front of the outer circumference of the lifting and measuring rod 8 is provided with an upper The scale lines arranged at the bottom are convenient for reading the measurement data. The value of the top scale line is one meter, and then increases downward in sequence. The top scale line is flush with the bottom of the measuring limit rod 9. When the lifting measuring rod 8 is retracted to the limit position, the top scale line is flush with the top end surface of the rotating adjustment cylinder 7. The scale line flush with the top end surface of the rotating adjustment cylinder 7 is the measurement value. A measuring limit rod 9 in the front and rear directions is installed in front of the threaded hole of the lifting measuring rod 8 to facilitate measurement limit. A threaded column is provided on the rear end surface of the measuring limit rod 9 to facilitate threaded installation. A regular hexagonal groove is provided on the front end surface of the measuring limit rod 9 to facilitate rotation and disassembly by tools.

[0030] The specific usage and function of this embodiment are as follows:

[0031] In the utility model, Figure 1The measuring instrument body 1 shown is in a placed use state, at which time the bottom end faces of the placing bearing tube 2 and the placing support plate 4 are in contact with the ground, and the retracting and extending limiting tube 5 descends through threaded engagement to support the top end face of the placing support plate 4, thereby preventing the placing support plate 4 from turning over. When the measuring instrument body 1 is measuring, the human body is placed in front of the measuring instrument body 1, and the rotating adjusting tube 7 is rotated to engage with the lifting measuring rod 8 through threaded engagement, so that the lifting measuring rod 8 rises through threaded engagement, and the measuring limiting rod 9 is driven to rise synchronously above the top of the head through the lifting measuring rod 8, and then the rotating adjusting tube 7 is rotated in the opposite direction to engage with the lifting measuring rod 8 through threaded engagement, so that the lifting measuring rod 8 descends through threaded engagement, and the measuring limiting rod 9 is driven to descend synchronously through the lifting measuring rod 8, so that the bottom of the measuring limiting rod 9 is in contact with the top of the head. At this time, the scale line of the lifting measuring rod 8 flush with the top end face of the rotating adjusting tube 7 is the height measurement value; when Figure 1 When the measuring instrument body 1 is folded up and carried, the measuring limit rod 9 is rotated by a tool to engage with the lifting measuring rod 8, so that the measuring limit rod 9 moves forward through the threaded engagement and disengages from the threaded hole of the lifting measuring rod 8. The removed measuring limit rod 9 is inserted into the major arc tube of the carrying gripping handle 3. Figure 5 As shown, the rotating adjustment cylinder 7 is rotated to engage with the lifting measuring rod 8, so that the lifting measuring rod 8 is lowered through the thread engagement, and the lifting measuring rod 8 is retracted to the limit position. Figure 5 As shown, the retractable and extended limit cylinder 5 is rotated to engage with the placement bearing cylinder 2 thread, so that the retractable and extended limit cylinder 5 rises to the limit position through the thread engagement, and the placement support plate 4 is turned over to the inside of the strip hole of the placement bearing cylinder 2, and then the retractable and extended limit cylinder 5 is rotated in the opposite direction to engage with the placement bearing cylinder 2 thread, so that the retractable and extended limit cylinder 5 descends through the thread engagement, and the lower end of the retractable and extended limit cylinder 5 is inserted into the insertion groove of the placement support plate 4, and the state is as shown in FIG. Figure 5 As shown, the folding stop of the support plate 4 is achieved, and at this time, the folding operation of the measuring instrument body 1 is completed, and then the handle of the carrying grip handle 3 can be grasped to carry and move.

[0032] Embodiment 2:

[0033] The difference from the first embodiment is that the regular hexagonal prism of the anti-slip anti-rotation column 6 can also be set as a regular heptagonal prism, so that the anti-slip anti-rotation column 6 can only be rotated by a special tool that cooperates with the regular heptagonal prism, preventing non-staff from rotating and disassembling the anti-slip anti-rotation column 6.

[0034] Embodiment three:

[0035] The difference from the first embodiment is that the regular hexagonal groove of the measuring limit rod 9 can also be set as a regular heptagonal groove, so that the measuring limit rod 9 can only be rotated by a special tool that cooperates with the regular heptagonal groove, preventing non-staff from rotating and disassembling the measuring limit rod 9.

Claims

1. A portable precision measuring instrument, characterized by: The measuring instrument comprises a measuring instrument body (1); the measuring instrument body (1) is provided with a placing bearing cylinder (2), a bearing ring groove is provided on the inner circumference of the top of the placing bearing cylinder (2), a threaded hole in the front-to-back direction is provided on the rear wall of the top of the placing bearing cylinder (2), an insertion hole in the front-to-back direction is provided in the middle of the front wall of the placing bearing cylinder (2), three strip holes in the upper and lower directions are provided in a circular array on the bottom wall of the placing bearing cylinder (2), a mounting hole is provided at the lower end of the strip hole of the placing bearing cylinder (2), a thread is provided on the outer circumference of the lower part of the placing bearing cylinder (2), a carrying and grasping handle (3) is mounted on the middle outer circumference of the placing bearing cylinder (2) and fixed by bolts, a sleeve in the upper and lower directions is provided in the middle of the carrying and grasping handle (3), a threaded hole in the front and rear directions is provided in the middle of the sleeve of the carrying and grasping handle (3), a superior arc cylinder in the upper and lower directions is provided in the front upper part of the outer circumference of the sleeve of the carrying and grasping handle (3), and a handle in the upper and lower directions is provided at the rear of the outer circumference of the sleeve of the carrying and grasping handle (3).

2. A portable precision measuring instrument as claimed in claim 1, characterized in that: A placement support plate (4) is installed at the lower end of the strip hole for placing the bearing cylinder (2) via a fixed shaft, a semicircular head block with a through hole is arranged at the upper part of the inner end surface of the placement support plate (4), an inclined surface is arranged at the outer end surface of the placement support plate (4), and an insertion groove is arranged at the lower part of the inclined surface of the placement support plate (4).

3. A portable precision measuring instrument as claimed in claim 2, characterized in that: The outer circumference of the lower part of the placement bearing cylinder (2) is threadedly mounted with a retractable and extended limiting cylinder (5), the inner circumference of the retractable and extended limiting cylinder (5) is provided with threads, the outer circumference of the retractable and extended limiting cylinder (5) is provided with an annular array of anti-slip grooves, and the inner circumference of the bottom of the retractable and extended limiting cylinder (5) is provided with a conical annular groove.

4. A portable precision measuring instrument as claimed in claim 3, characterized in that: An anti-slip anti-rotation column (6) is installed inside the threaded hole in which the bearing cylinder (2) is placed, a threaded column is arranged in front of the anti-slip anti-rotation column (6), a limiting ring plate is arranged on the outer circumference of the rear end of the threaded column of the anti-slip anti-rotation column (6), and a regular hexagonal prism is arranged on the rear end surface of the threaded column of the anti-slip anti-rotation column (6).

5. A portable precision measuring instrument as claimed in claim 4, characterized in that: A rotation adjustment cylinder (7) is installed inside the bearing ring groove for placing the support cylinder (2) via a bearing, a thread is provided on the inner circumference of the rotation adjustment cylinder (7), an anti-slip groove is provided in an annular array on the outer circumference of the rotation adjustment cylinder (7), and a bearing ring groove is provided on the outer circumference of the bottom of the rotation adjustment cylinder (7).

6. A portable precision measuring instrument as claimed in claim 5, characterized in that: A lifting measuring rod (8) is installed inside the rotary adjustment cylinder (7) via a thread, a thread is provided on the outer circumference of the lifting measuring rod (8), a threaded hole is provided on the top of the lifting measuring rod (8) and passes through the front and back, a strip groove is provided in the up-and-down direction at the rear of the outer circumference of the lifting measuring rod (8), and scale lines arranged up and down are provided at the front of the outer circumference of the lifting measuring rod (8).

7. A portable precision measuring instrument as claimed in claim 6, characterized in that: A measuring limit rod (9) is installed in front of the threaded hole inside the lifting measuring rod (8), a threaded column is arranged on the rear end surface of the measuring limit rod (9), and a regular hexagonal groove is opened on the front end surface of the measuring limit rod (9).

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