CN215177524U

CN215177524U - Portable precision dimension measuring device

Info

Publication number: CN215177524U
Application number: CN202120737245.8U
Authority: CN
Inventors: 田利得
Original assignee: Beijing Langbo Calibration And Testing Co ltd
Current assignee: Beijing Langbo Calibration And Testing Co ltd
Priority date: 2021-04-12
Filing date: 2021-04-12
Publication date: 2021-12-14
Anticipated expiration: 2031-04-12

Abstract

The utility model discloses a portable precision dimension measuring device, which comprises a reading microscope, a connecting rod, a base and a lifting mechanism, wherein the top of the base is fixedly connected with a connecting seat, the connecting seat is connected with the connecting rod through the lifting mechanism, the top of the connecting rod is provided with a mounting groove, the outer diameter of the reading microscope is matched with the size of the mounting groove, and the reading microscope is connected with the mounting groove in a sliding way; the lifting mechanism comprises a bidirectional threaded rod, two movable blocks are symmetrically in threaded connection with the outer wall of the bidirectional threaded rod, and a first connecting strip is hinged to the tops of the movable blocks; the utility model discloses a setting of connecting rod, elevating system, base can provide stable support to reading microscope, avoids rocking the observation error that causes because of the hand, adjusts reading microscope's high back through elevating system, can find suitable focus, makes the sample under test can the clear display, and elevating system simple structure, low cost, small in size, portable.

Description

Portable precision dimension measuring device

Technical Field

The utility model relates to a measuring tool specifically is a portable accurate size measurement device.

Background

For various measuring tools such as a caliper, a micrometer, a dial indicator, a micrometer, a test screen and the like, during calibration, various parameters such as the width of a scribed line, zero position error, the relative position of a differential end face of the micrometer and a millimeter scribed line of a fixed sleeve, the aperture of the test screen and the like need to be detected. Due to the small size, on the order of micrometers, it is desirable to measure it in a magnified manner. The current equipment is mainly a universal tool microscope or a reading microscope.

The universal tool microscope is convenient to use, high in precision, large in size, not easy to move, and capable of only accepting a customer to send the caliper to a laboratory, and is not convenient for the customer, so that the use is influenced, and the express delivery expenditure is increased.

Although the reading microscope is small, the reading microscope can be brought to a customer site to be calibrated, the focal length is fixed, the body of the reading microscope cannot be fixed, the size of the reading microscope on an inclined plane is measured in actual operation, even the size of the reading microscope cannot be measured, the reading microscope can only be held by a hand, shaking is easily caused during reading adjustment, large errors are generated, and the portable universal tool microscope is heavy and expensive in the market.

Therefore, a portable precision dimension measuring device with stable measurement, small volume and low cost is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a portable accurate size measurement device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a portable accurate size measurement device, includes reading microscope, connecting rod, base and elevating system, the top fixedly connected with connecting seat of base, the connecting seat passes through elevating system and is connected with the connecting rod, the mounting groove has been seted up at the top of connecting rod, the microscopical external diameter of reading and the size looks adaptation of mounting groove, reading microscope and mounting groove sliding connection.

As a further aspect of the present invention: elevating system includes two-way threaded rod, two movable blocks of two-way threaded rod's outer wall symmetry threaded connection, the top of movable block articulates there is first connecting strip, the bottom of movable block articulates there is the second connecting strip, the top of first connecting strip is articulated with the bottom of connecting rod, the bottom of second connecting strip articulates there is the connecting block, the connecting block is connected with the connecting seat.

As a further aspect of the present invention: two connecting block symmetric distribution is in the both sides of connecting seat, one the outer wall of connecting block is provided with the nut, another the outer wall of connecting block runs through and is provided with the screw, the screw thread end through connecting seat and two connecting blocks of screw after with nut threaded connection.

As a further aspect of the present invention: one end fixedly connected with knob of two-way threaded rod, the outer wall of knob is provided with anti-skidding line.

As a further aspect of the present invention: the portable precise dimension measuring device further comprises an auxiliary rod, a second clamping groove is formed in the top of the auxiliary rod, a first clamping groove is formed in the bottom of the base and corresponds to the second clamping groove, the base is located in the second clamping groove, and the auxiliary rod is located in the first clamping groove.

As a further aspect of the present invention: the thickness of auxiliary rod and base is the same, after auxiliary rod, base pass through first draw-in groove, the cooperation of second draw-in groove and connect, top surface between them is located same horizontal plane.

As a further aspect of the present invention: the terminal surface of base runs through and is provided with the inserted bar, the outer wall of auxiliary rod runs through with the department that corresponds of inserted bar and is provided with the jack, the tip of inserted bar is located the jack.

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

1. the utility model discloses a setting of connecting rod, elevating system, base can provide stable support to reading microscope, avoids rocking the observation error that causes because of the hand, adjusts reading microscope's high back through elevating system, can find suitable focus, makes the sample under test can the clear display, and elevating system simple structure, be convenient for adjust, low cost, small in size, portable.

2. The utility model discloses a setting of connecting seat, connecting block, nut, screw can be adjusted elevating system's angle before screwing up the nut to make the ground of connecting rod parallel with by the survey slope, can eliminate the error that arouses because of the angle problem when reading microscope surveys the slope.

3. The utility model discloses a setting of auxiliary rod can improve the stability of this device, and the cooperation of auxiliary rod and base can form a simple and easy test platform simultaneously, and the cooperation through jack and inserted bar can be fixed between base and the auxiliary rod simultaneously, and the installation is dismantled simply swiftly simultaneously.

Drawings

Fig. 1 is a schematic structural diagram of a portable precision dimension measuring device.

FIG. 2 is a schematic view of another perspective of a portable precision dimension measuring device.

Fig. 3 is a schematic structural view of an auxiliary rod in a portable precision dimension measuring device.

The reading microscope comprises a reading microscope 1, a connecting rod 2, a mounting groove 3, a base 4, a connecting seat 5, a lifting mechanism 6, a bidirectional threaded rod 7, a knob 8, a movable block 9, a first connecting strip 10, a second connecting strip 11, a connecting block 12, a nut 13, a screw 14, a first clamping groove 15, an auxiliary rod 16, a second clamping groove 17, an inserted rod 18 and a jack 19.

Detailed Description

In order to make the technical problem, technical scheme and beneficial effect that the utility model will solve more clearly understand, will combine the embodiment below, it is right to the utility model discloses go on further detailed description. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, are used in the orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and do not indicate or imply that the device or element so referred to must have the orientation, configuration, and operation specified in the specification and therefore should not be construed as limiting the invention.

Furthermore, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

Please refer to fig. 1-3, in an embodiment of the present invention, a portable precision dimension measuring device includes a reading microscope 1, a connecting rod 2, a base 4 and an elevating mechanism 6, the top fixedly connected with connecting seat 5 of the base 4, the connecting seat 5 is connected with the connecting rod 2 through the elevating mechanism 6, a mounting groove 3 is provided at the top of the connecting rod 2, the outer diameter of the reading microscope 1 is matched with the dimension of the mounting groove 3, and the reading microscope 1 is connected with the mounting groove 3 in a sliding manner.

Through adopting above-mentioned technical scheme, will be surveyed the sample (like slide caliper rule) and put at platform or desktop when using, aim at slide caliper rule with reading microscope 1 after, adjust elevating system 6, drive reading microscope 1 and reciprocate to find suitable focus, make the slide caliper rule groove can clearly show, through reading microscope 1 read the width of rule can, easy operation is swift, and can effectively avoid because of the observation error that the hand rocked and cause, excellent in use effect.

Elevating system 6 includes two-way threaded rod 7, the outer wall symmetry threaded connection of two-way threaded rod 7 has two movable blocks 9, the top of movable block 9 articulates there is first connecting strip 10, the bottom of movable block 9 articulates there is second connecting strip 11, the top of first connecting strip 10 is articulated with the bottom of connecting rod 2, the bottom of second connecting strip 11 articulates there is connecting block 12, connecting block 12 is connected with connecting seat 5.

The lifting mechanism 6 consisting of the bidirectional threaded rod 7, the movable blocks 9, the first connecting strips 10 and the second connecting strips 11 only needs to rotate the bidirectional threaded rod 7 when in use, and can utilize the threaded fit of the bidirectional threaded rod and the two movable blocks 9 to drive the two movable blocks 9 to move reversely at the same time, thereby achieving the purpose of adjusting the height of the reading microscope 1, and having simple structure, stable effect and low cost.

Two connecting block 12 symmetric distribution is in the both sides of connecting seat 5, one the outer wall of connecting block 12 is provided with nut 13, another the outer wall of connecting block 12 runs through and is provided with screw 14, the threaded end of screw 14 runs through behind connecting seat 5 and two connecting blocks 12 and nut 13 threaded connection.

Through the cooperation of nut 13 and screw 14, can fix two connecting blocks 12 in the both sides of connecting seat 5, simultaneously when measuring the size on the inclined plane, can adjust elevating system 6's angle before screwing up nut 13 to make the ground of connecting rod 2 parallel with the inclined plane that is surveyed, can eliminate the error that arouses because of the angle problem when reading microscope 1 observes the inclined plane.

One end fixedly connected with knob 8 of two-way threaded rod 7, the outer wall of knob 8 is provided with anti-skidding line.

Through the setting of knob 8 and anti-skidding line, be convenient for operate two-way threaded rod 7.

The portable precise dimension measuring device further comprises an auxiliary rod 16, a second clamping groove 17 is formed in the top of the auxiliary rod 16, a first clamping groove 15 is formed in the corresponding position of the bottom of the base 4 and the second clamping groove 17, the base 4 is located in the second clamping groove 17, and the auxiliary rod 16 is located in the first clamping groove 15.

The thickness of auxiliary rod 16 is the same with base 4, auxiliary rod 16, base 4 are through first draw-in groove 15, second draw-in groove 17 cooperation connection back, and both top surfaces are located same horizontal plane.

Through the setting of auxiliary rod 16, can improve the stability of this device, auxiliary rod 16 and base 4's cooperation can form a simple and easy test platform simultaneously, to great measured sample, if test sieve detects time measuring, can directly place test sieve on auxiliary rod 16 and base 4, later debugging elevating system 6 finds suitable focus to can through the size that reading sieve mesh is read to reading microscope 1.

The end face of the base 4 is provided with an inserting rod 18 in a penetrating mode, the outer wall of the auxiliary rod 16 is provided with a jack 19 in a penetrating mode at the position corresponding to the inserting rod 18, and the end portion of the inserting rod 18 is located in the jack 19.

Through the cooperation of the insertion hole 19 and the insertion rod 18, the base 4 and the auxiliary rod 16 can be fixed, and the installation and the disassembly are simple and quick.

The utility model discloses a theory of operation is:

put the sample (like slide caliper rule) of will being surveyed when using at platform or desktop, aim at reading microscope 1 with reading microscope behind the slide caliper rule, adjust elevating system 6, drive reading microscope 1 and reciprocate to find suitable focus, make the slide caliper rule groove can clearly show, through reading microscope 1 read the width of rule can, easy operation is swift, and can effectively avoid rocking the observation error that causes because of the hand, excellent in use effect.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a portable accurate size measurement device, includes reading microscope (1), connecting rod (2), base (4) and elevating system (6), its characterized in that: the top fixedly connected with connecting seat (5) of base (4), connecting seat (5) are connected with connecting rod (2) through elevating system (6), mounting groove (3) have been seted up at the top of connecting rod (2), the external diameter of reading microscope (1) and the size looks adaptation of mounting groove (3), reading microscope (1) and mounting groove (3) sliding connection.

2. A portable precision dimension measuring device according to claim 1, wherein: elevating system (6) are including two-way threaded rod (7), the outer wall symmetry threaded connection of two-way threaded rod (7) has two movable block (9), the top of movable block (9) articulates there is first connecting strip (10), the bottom of movable block (9) articulates there is second connecting strip (11), the top of first connecting strip (10) is articulated with the bottom of connecting rod (2), the bottom of second connecting strip (11) articulates there is connecting block (12), connecting block (12) are connected with connecting seat (5).

3. A portable precision dimension measuring device according to claim 2, wherein: two connecting block (12) symmetric distribution is in the both sides of connecting seat (5), one the outer wall of connecting block (12) is provided with nut (13), another the outer wall of connecting block (12) runs through and is provided with screw (14), the screw thread end through connection seat (5) and two connecting block (12) back and nut (13) threaded connection of screw (14).

4. A portable precision dimension measuring device according to claim 2, wherein: one end fixedly connected with knob (8) of two-way threaded rod (7), the outer wall of knob (8) is provided with anti-skidding line.

5. A portable precision dimension measuring device according to claim 1, wherein: the portable precise dimension measuring device further comprises an auxiliary rod (16), a second clamping groove (17) is formed in the top of the auxiliary rod (16), a first clamping groove (15) is formed in the corresponding position of the bottom of the base (4) and the second clamping groove (17), the base (4) is located in the second clamping groove (17), and the auxiliary rod (16) is located in the first clamping groove (15).

6. A portable precision dimension measuring device according to claim 5, wherein: the thickness of auxiliary rod (16) is the same with base (4), after auxiliary rod (16), base (4) are connected through first draw-in groove (15), second draw-in groove (17) cooperation, top surface between them is located same horizontal plane.

7. A portable precision dimension measuring device according to claim 5, wherein: the end face of the base (4) penetrates through and is provided with an inserting rod (18), a jack (19) penetrates through and is arranged at the position, corresponding to the inserting rod (18), of the outer wall of the auxiliary rod (16), and the end portion of the inserting rod (18) is located in the jack (19).