CN221325283U

CN221325283U - Dipperstick that possesses folding function

Info

Publication number: CN221325283U
Application number: CN202323273147.1U
Authority: CN
Inventors: 王艳; 李飞; 胡玲; 魏艳华; 刘丽伟; 吕微微; 崔少帅; 王星; 宋德秋
Original assignee: Hebei Jizhen Project Management Co ltd
Current assignee: Hebei Jizhen Project Management Co ltd
Priority date: 2023-12-01
Filing date: 2023-12-01
Publication date: 2024-07-12
Anticipated expiration: 2033-12-01

Abstract

The utility model relates to the technical field of measuring scales and discloses a measuring scale with a folding function. This measurement chi that possesses folding function through set up the guide slot in the front of auxiliary scale and offered spacing spout at the right-hand member inner wall of main scale, cooperates the drive strip to drive the transmission of board and calibration chi for when auxiliary scale stretches out and measures, the calibration chi is driven and stretches out, cooperates the magnetic sheet that sets up on the spacing spout right-hand member internal surface and adopts the stopper that the magnetic block set up, makes the setting of calibration chi can calibrate the scale between main scale and the auxiliary scale, thereby eliminates the measuring deviation that the gap between the solid part brought, improves the measurement accuracy of measurement chi.

Description

Dipperstick that possesses folding function

Technical Field

The utility model relates to the technical field of measuring scales, in particular to a measuring scale with a folding function.

Background

In the process of drawing and erecting equipment, a measuring ruler is usually required to be used for measuring a small-sized workpiece or a graph recorded on a drawing, the length of a conventional measuring ruler such as a ruler, a tape measure and the like is fixed during measurement, and the precision of the flexible tape measure is poor during measurement marking in the drawing process, so that the measuring ruler with a folding function is required to be used.

According to a disclosed measuring ruler (bulletin number: CN 216184077U) with a folding use function, in the above application, a straight ruler with a fixed length is positioned and connected by arranging connecting structures such as a connecting rod, a limiting rod, a spring and the like among three mutually independent rulers, and the measuring ruler is pulled out according to the requirement to measure when the measuring ruler has a measuring requirement with a considerable length.

However, in the actual use process of the device, due to the requirement of the straight line in the drawing process, the ruler also has the auxiliary scribing function in the measuring process, gaps exist among the objects are formed among different parts of the measuring ruler adopting the folding mode, and the measuring ruler with different sizes cannot keep the top level when being connected, so that the measuring result has certain deviation; in view of this, we propose a measuring scale with folding function.

Disclosure of utility model

The utility model aims to provide a measuring ruler with a folding function, so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a dipperstick that possesses folding function, includes the main scale, the sliding tray has been seted up at the back of main scale, the interior surface slidable mounting of sliding tray has the auxiliary scale, the inside of main scale is provided with folding mechanism, folding mechanism includes:

The hand wheel is rotatably arranged on the outer wall of the front face of the main scale, the end part of the worm is fixedly connected with the outer wall of one side, close to the inner wall of the main scale, of the hand wheel, the inner wall of the main scale is rotatably provided with an adjusting screw rod, the adjusting screw rod penetrates through a worm wheel, and the worm wheel is fixedly connected with the adjusting screw rod;

The side limiting strip is fixedly arranged on the outer wall of one side, close to the main rule, of the auxiliary rule, and the lower limiting strip is fixedly arranged on the lower surface of the auxiliary rule;

The front face of the auxiliary ruler is provided with a guide groove, the inner surface of the guide groove is fixedly provided with a driving strip, the inner wall of the guide groove is provided with a calibration ruler in a sliding manner, and one end, close to the center of the main ruler, of the calibration ruler is fixedly provided with a limiting block;

the fixed shaft is fixedly arranged on the outer wall of one side of the calibration ruler, which is close to the auxiliary ruler, the fixed shaft penetrates through the driving plate, the driving plate is rotationally connected with the fixed shaft, and the spiral spring is sleeved on the arc-shaped outer wall of the fixed shaft.

Preferably, the sliding groove is close to the outer wall of one side of the center of the main ruler and the bottom of the sliding groove is provided with a sliding groove with the size matched with that of the side limiting strip and that of the lower limiting strip, and the side limiting strip and the lower limiting strip are all arranged into a T shape, so that the sliding state of the auxiliary ruler in the sliding groove can be effectively limited.

Preferably, the sliding groove is adapted to the size of the auxiliary ruler, so that when the auxiliary ruler is completely accommodated in the sliding groove, the main ruler and the auxiliary ruler form a complete straight ruler body in a combined mode.

Preferably, the main scale is close to the limit chute of right-hand member internal surface offered with stopper size looks adaptation, limit chute and above-mentioned guide slot parallel arrangement, and the calibrated scale sets up in guide slot and limit chute with the stopper.

Preferably, a plurality of groups of convex ribs are arranged on the outer wall of the driving strip, one end of the driving plate, which is far away from the fixed shaft, is arranged into an arc-shaped surface, and a plurality of groups of convex ribs are arranged on the outer wall of the arc-shaped surface, so that the driving strip can drive the driving plate when the auxiliary ruler moves rightwards relative to the main ruler.

Preferably, the limiting block is arranged by a magnetic block, and a magnetic sheet with magnetism opposite to that of the magnetic block is arranged on the inner surface of the right end of the limiting chute, so that the limiting block can be better kept stable after moving to the right end of the main ruler.

Compared with the prior art, the utility model provides the measuring ruler with the folding function, which has the following beneficial effects:

1. This measurement chi that possesses folding function through set up the guide slot in the front of auxiliary scale and offered spacing spout at the right-hand member inner wall of main scale, cooperates the drive strip to drive the transmission of board and calibration chi for when auxiliary scale stretches out and measures, the calibration chi is driven and stretches out, cooperates the magnetic sheet that sets up on the spacing spout right-hand member internal surface and adopts the stopper that the magnetic block set up, makes the setting of calibration chi can calibrate the scale between main scale and the auxiliary scale, thereby eliminates the measuring deviation that the gap between the solid part brought, improves the measurement accuracy of measurement chi.

2. This measurement chi that possesses folding function is through the restriction of side limit bar and lower limit bar for can not have great gap between main scale and the vice chi, and then guarantee to draw and measuring continuity and accuracy, and because the reverse auto-lock characteristic of worm wheel and worm, make whole extension and folding process all receive the manual control of operating personnel, and can not appear the condition of flexible error because of measuring or drawing, and can prescribe a limit to in arbitrary mark long position, promoted the convenience of folding use of measurement chi.

Drawings

FIG. 1 is an expanded schematic view of a measuring scale of the present utility model;

FIG. 2 is a schematic diagram of the main structure of the present utility model;

FIG. 3 is a schematic cross-sectional view of the main rule of the present utility model;

FIG. 4 is a schematic view of the three-dimensional structure of the auxiliary ruler of the utility model;

fig. 5 is a schematic view of a partial explosion of the calibration ruler of the present utility model.

In the figure: 1. a main scale; 2. a secondary ruler; 3. a side limit bar; 4. a lower limit bar; 5. a hand wheel; 6. a worm; 7. adjusting a screw rod; 8. a worm wheel; 9. calibrating a ruler; 10. a limiting block; 11. driving the strip; 12. a fixed shaft; 13. a driving plate; 14. a spiral spring.

Detailed Description

As shown in fig. 1 to 5, the present utility model provides a technical solution: the utility model provides a dipperstick that possesses folding function, includes main scale 1, and the sliding tray has been seted up at the back of main scale 1, and sliding tray's internal surface slidable mounting has auxiliary scale 2, and main scale 1's inside is provided with folding mechanism, and folding mechanism is including hand wheel 5, worm 6, accommodate spindle 7, worm wheel 8, side spacing 3, lower spacing 4, guide slot, drive strip 11, calibration chi 9, stopper 10, fixed axle 12 and drive board 13 and scroll spring 14.

In the embodiment of the utility model, a hand wheel 5 is rotatably arranged on the outer wall of the front surface of a main scale 1, the end part of a worm 6 is fixedly connected on the outer wall of one side, close to the inner wall of the main scale 1, of the hand wheel 5, an adjusting screw 7 is rotatably arranged on the inner wall of the main scale 1, the adjusting screw 7 penetrates through a worm wheel 8, the worm wheel 8 is fixedly connected with the adjusting screw 7, a side limit bar 3 is fixedly arranged on the outer wall of one side, close to the main scale 1, of a secondary scale 2, and a lower limit bar 4 is fixedly arranged on the lower surface of the secondary scale 2.

In one embodiment of the utility model, the sliding groove is matched with the auxiliary ruler 2 in size, so that when the auxiliary ruler 2 is completely contained in the sliding groove, the main ruler 1 and the auxiliary ruler 2 are combined to form a complete straight plate-shaped ruler body, the daily use and the work are convenient, in addition, the sliding groove is close to the outer wall of one side of the main ruler 1, and the bottom of the sliding groove is provided with a sliding groove with the size matched with that of the side limiting strip 3 and the lower limiting strip 4, and in particular, the side limiting strip 3 and the lower limiting strip 4 are all arranged in a T shape, thereby effectively limiting the sliding state of the auxiliary ruler 2 in the sliding groove, and simultaneously limiting the phenomenon that the auxiliary ruler 2 is not deflected with the main ruler 1, so that a larger gap is not formed between the main ruler 1 and the auxiliary ruler 2 in the process of drawing and measuring by a user, and further guaranteeing the consistency and the accuracy of the drawing and measuring.

In the embodiment of the utility model, a plurality of invagination grooves are formed in the arc-shaped outer wall of the hand wheel 5, the diameter of each invagination groove is smaller, so that a user can conveniently push the device to rotate by means of the thumb, more fingers are not needed to finish operation, the operation difficulty of changing the extension length of the folded auxiliary scale 2 by the measuring scale is reduced, an operator can better ensure the overall stability of the measuring scale, the smooth proceeding of the measuring process is ensured, in addition, one end of the worm 6, which is far away from the hand wheel 5, is rotatably mounted on the inner surface of the main scale 1, and the worm 6 is meshed with the worm wheel 8 to realize transmission, and particularly, when the operator dials the hand wheel 5 to rotate, the adjusting screw 7 is driven to rotate by means of the transmission of the worm 6 and the worm wheel 8, and further, the threaded hole which can be in threaded connection with the adjusting screw 7 is formed in the inner wall of the auxiliary scale 2, and under the limitation of the sliding groove and the side limiting strips 3 and the lower limiting strips 4, the rotation of the adjusting screw 7 can drive the auxiliary scale 2 to move rightwards along the inner surface of the sliding groove, so that the main scale 1 and the length of the main scale 1 are not limited by the inner surface of the sliding groove, and the length of the auxiliary scale 2 can be freely adjusted, and the measuring scale is not limited by the characteristics of the two-dimensional measurement and the length of the measuring scale can be formed, and the length of the measuring device can be freely and well, and well-restricted by the user.

In addition, the front of auxiliary scale 2 has seted up the guiding groove, and the internal surface fixed mounting of guiding groove has drive strip 11, and the inner wall slip of guiding groove is provided with calibration chi 9, and the center one end fixed mounting that calibration chi 9 is close to main scale 1 has stopper 10, and fixed mounting has fixed axle 12 on the outer wall of calibration chi 9 one side that is close to auxiliary scale 2, and fixed axle 12 runs through has drive board 13, and drive board 13 and fixed axle 12 rotation connection, and the cover is equipped with spiral spring 14 on the arc outer wall of fixed axle 12.

In the embodiment of the utility model, a limit chute which is matched with the limit block 10 in size is formed on the inner surface of the main scale 1 near the right end, in particular, the limit chute is arranged in parallel with the guide groove, the calibration scale 9 and the limit block 10 are arranged in the guide groove and the limit chute, in addition, a plurality of driving strips 11 are arranged, the driving strips 11 are uniformly distributed on the inner surface of the bottom of the guide groove in a linear array, a plurality of groups of convex edges are arranged on the outer wall of the driving strips 11, further, three groups of fixed shafts 12, driving plates 13 and scroll springs 14 are arranged, the three groups of fixed shafts 12, the driving plates 13 and the scroll springs 14 are uniformly distributed on the side wall of the calibration scale 9 in a linear array, in addition, one end of the driving plates 13 far away from the fixed shafts 12 is arranged into an arc-shaped surface, the outer wall of the arc-shaped surface is provided with a plurality of groups of convex strips, when the auxiliary scale 2 moves rightwards relative to the main scale 1, the driving bar 11 drives the driving plate 13, and further drives the calibrating scale 9 and the limiting block 10 to move rightwards in the limiting chute until the limiting block 10 moves to the rightmost end of the main scale 1, the calibrating scale 9 does not move relative to the main scale 1 along with the continuous movement of the auxiliary scale 2, and further keeps a relatively static state, so as to match with scales arranged on the outer wall of the front face of the calibrating scale 9 to calibrate the scales between the main scale 1 and the auxiliary scale 2, thereby eliminating measurement deviation caused by gaps between solid components, improving the measurement accuracy of the measuring scale, further, the limiting block 10 adopts a magnetic block, and the inner surface of the right end of the limiting chute is provided with a magnetic sheet with magnetism opposite to that of the magnetic block, so that the limiting block 10 can better keep stable after moving to the right end of the main scale 1, and avoid the offset of the calibrating scale 9 caused by slight shaking, affecting the measurement accuracy of the measuring scale.

In the utility model, when in use, a worker aims the measuring scale at a position to be measured on a drawing, pushes the hand wheel 5 to rotate through the thumb of the left hand, and then cooperates with the worm 6 and the worm wheel 8, so that the adjusting screw 7 drives the auxiliary scale 2 to move rightwards relative to the main scale 1 along the inner surface of the sliding groove, and then is adjusted to the required length for measurement, in the process, a large gap is not formed between the main scale 1 and the auxiliary scale 2 through the limitation of the side limiting strips 3 and the lower limiting strips 4, thereby ensuring the consistency and accuracy of drawing and measurement, and the whole extending and folding process is manually controlled by the operator due to the reverse self-locking characteristic of the worm wheel 8 and the worm 6, the situation of expansion errors can not occur due to the measurement or drawing, and the limitation can be carried out at any standard length position, the convenience of folding use of the scale is improved, further, the limit sliding groove is formed in the right end inner wall of the main scale 1 through the guide groove arranged on the front of the auxiliary scale 2, the cooperation driving strip 11 is matched with the driving plate 13 and the calibration block 9, and the calibration block 9 is arranged on the side of the main scale, and the calibration block 9 is arranged, and the accuracy of the calibration block is arranged between the two sides of the main scale and the calibration block 2 is improved, and the calibration block is arranged, and the calibration accuracy is improved, and the calibration accuracy is realized.

The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.

Claims

1. The utility model provides a dipperstick that possesses folding function, includes main scale (1), the sliding tray has been seted up at the back of main scale (1), the interior surface slidable mounting of sliding tray has auxiliary scale (2), its characterized in that: the inside of main scale (1) is provided with folding mechanism, folding mechanism includes:

The hand wheel (5), the front outer wall of the main scale (1) is rotatably provided with the hand wheel (5), the end part of the worm (6) is fixedly connected on the outer wall of one side of the hand wheel (5) close to the inner wall of the main scale (1), the inner wall of the main scale (1) is rotatably provided with the adjusting screw (7), the adjusting screw (7) penetrates through the worm wheel (8), and the worm wheel (8) is fixedly connected with the adjusting screw (7);

The side limiting strip (3) is fixedly arranged on the outer wall of one side, close to the main rule (1), of the auxiliary rule (2), and the lower limiting strip (4) is fixedly arranged on the lower surface of the auxiliary rule (2);

The guide groove is formed in the front face of the auxiliary ruler (2), the driving strip (11) is fixedly arranged on the inner surface of the guide groove, the calibrating ruler (9) is slidably arranged on the inner wall of the guide groove, and a limiting block (10) is fixedly arranged at one end of the calibrating ruler (9) close to the center of the main ruler (1);

The fixed shaft (12), fixed shaft (12) is fixedly mounted on the outer wall of one side of the calibrating ruler (9) close to the auxiliary ruler (2), the fixed shaft (12) penetrates through a driving plate (13), the driving plate (13) is rotationally connected with the fixed shaft (12), and a spiral spring (14) is sleeved on the arc-shaped outer wall of the fixed shaft (12).

2. A measuring tape with folding function according to claim 1, characterized in that: the sliding groove is close to the outer wall of one side of the center of the main scale (1) and the bottom of the sliding groove is provided with sliding grooves with the sizes matched with the side limiting strips (3) and the lower limiting strips (4), and the side limiting strips (3) and the lower limiting strips (4) are all arranged to be T-shaped.

3. A measuring tape with folding function according to claim 1, characterized in that: the sliding groove is matched with the auxiliary ruler (2) in size.

4. A measuring tape with folding function according to claim 1, characterized in that: the main scale (1) is close to the limit chute of limit block (10) size looks adaptation has been seted up to right-hand member internal surface, limit chute and above-mentioned guide slot parallel arrangement.

5. A measuring tape with folding function according to claim 1, characterized in that: the outer wall of the driving strip (11) is provided with a plurality of groups of convex edges, one end of the driving plate (13) far away from the fixed shaft (12) is provided with an arc-shaped surface, and the outer wall of the arc-shaped surface is provided with a plurality of groups of convex edges.

6. The measuring scale with folding function according to claim 4, wherein: the limiting block (10) is arranged by adopting a magnetic block, and a magnetic sheet with magnetism opposite to that of the magnetic block is arranged on the inner surface of the right end of the limiting chute.