CN213778822U - Digital lever ruler - Google Patents
Digital lever ruler Download PDFInfo
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- CN213778822U CN213778822U CN202022974510.2U CN202022974510U CN213778822U CN 213778822 U CN213778822 U CN 213778822U CN 202022974510 U CN202022974510 U CN 202022974510U CN 213778822 U CN213778822 U CN 213778822U
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model provides a digital lever ruler, relating to the technical field of measuring instruments, which comprises a ruler frame, a measuring rod, a differential head and a deviation measuring device; the measuring rod is movably arranged on the ruler frame, the differential head is rotatably arranged on the ruler frame, the measuring rod and the differential head are coaxially arranged, and a product to be measured is clamped between the measuring rod and the differential head; the deviation measuring device comprises a displacement sensor for collecting displacement information of the measuring rod, a controller for receiving the displacement information collected by the displacement sensor and a display assembly for displaying the displacement information, wherein the displacement sensor and the display assembly are electrically connected with the controller. The technical problem that the reading precision of a traditional lever micrometer is low in the prior art is solved.
Description
Technical Field
The utility model belongs to the technical field of the measuring instrument technique and specifically relates to a digital lever chi is related to.
Background
The traditional lever micrometer mainly comprises a micrometer head and an indicator, wherein the micrometer head can be a common micrometer, and the indicator mainly comprises a mechanical lever gear mechanism, a pointer and a dial. The precision of the mechanical lever gear mechanism is ensured by mechanical parts, the clearance of the traditional gear mechanism is difficult to be completely eliminated, the precision is difficult to be further improved, and the requirement of industrial digital development is difficult to be met.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a digital lever micrometer to alleviate the lower technical problem of reading precision of the traditional lever micrometer that exists among the prior art.
The utility model provides a digital lever chi, include: the device comprises a ruler frame, a measuring rod, a differential head and a deviation measuring device;
the measuring rod is movably arranged on the ruler frame, the differential head is rotatably arranged on the ruler frame, the measuring rod and the differential head are coaxially arranged, and a product to be measured is clamped between the measuring rod and the differential head;
the deviation measuring device comprises a displacement sensor for collecting displacement information of the measuring rod, a controller for receiving the displacement information collected by the displacement sensor and a display assembly for displaying the displacement information, wherein the displacement sensor and the display assembly are electrically connected with the controller.
Further, the controller comprises a signal receiving board and a main control board;
the signal receiving board is used for receiving the displacement information of the displacement sensor and sending the displacement information to the main control board, and the main control board receives the displacement information and converts the displacement information into displayable digital information;
the display component is arranged on the ruler frame and used for displaying the digital information.
Furthermore, the signal receiving board, the main control board and the display assembly are all fixed on a fixed connector, and the fixed connector is arranged in the inner cavity of the ruler frame;
a front protective plate is arranged on one side of the ruler frame, a rear protective plate is arranged on the other side of the ruler frame, and the ruler frame is clamped between the front protective plate and the rear protective plate; the front protective plate is provided with a containing hole for containing the display component.
Furthermore, the digital lever ruler also comprises a wireless module and a wired module, and the wireless module and the wired module are both arranged on the ruler frame;
the display assembly is an intelligent terminal, the displacement sensor is in communication connection with the intelligent terminal, and the wireless module or the wired module is used for transmitting or transmitting displacement information to the intelligent terminal.
Furthermore, a first rod hole for accommodating the measuring rod is formed in the ruler frame;
an elastic piece is arranged in the first rod hole, one end of the elastic piece is fixed relative to the first rod hole, and the other end of the elastic piece is connected with one end of the measuring rod, which is far away from the differential head;
one end of the measuring rod, which is far away from the elastic piece, protrudes out of the first rod hole and is opposite to the differential head.
Furthermore, a left shaft sleeve and a right shaft sleeve are respectively arranged at the left end and the right end of the first rod hole;
two ends of the measuring rod are respectively in sliding fit with the left shaft sleeve and the right shaft sleeve;
the elastic piece is located in the left shaft sleeve, a plug is arranged at the left end of the first rod hole, and one end, far away from the measuring rod, of the elastic piece is connected to the plug.
Further, the measuring rod is connected with a driving mechanism;
the driving mechanism comprises a push handle and a transmission assembly which are in transmission connection, the push handle is connected to the ruler frame in a sliding mode, and the transmission assembly is in transmission connection with the measuring rod and is used for driving the measuring rod to move along the axial direction;
the moving direction of the push handle is parallel to the moving direction of the measuring rod.
Further, the transmission assembly comprises a lever, and the lever is hinged to the ruler frame to form a fulcrum;
one end of the push handle is abutted against the power arm of the lever and can push the power arm to rotate around the fulcrum; and the resistance arm of the lever is clamped on the measuring rod and can push the measuring rod to move.
Furthermore, a second rod hole for accommodating the differential head is formed in the ruler frame;
and a locking knob used for locking the differential head is arranged at the second rod hole.
Furthermore, the ruler frame is provided with a support rod, and the support rod is vertically or obliquely arranged and used for supporting a product to be tested.
Has the advantages that:
the utility model provides a digital lever ruler, before the measurement, the differential head can be adjusted to the reference position to prepare for the subsequent measurement; in the specific use process, a product to be measured needs to be placed, in the process, the measuring rod moves to enable the product to be measured to be clamped between the measuring rod and the differential head, at the moment, the displacement sensor collects displacement information of the measuring rod and sends the displacement information to the controller, and the controller receives corresponding displacement information and controls the display assembly to display a deviation value of the product to be measured. Therefore, the digital lever ruler can replace manual reading, and the measurement precision is improved compared with the manual reading.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a digital lever ruler according to an embodiment of the present invention;
fig. 2 is a schematic exploded view of a digital lever ruler according to an embodiment of the present invention;
fig. 3 is a schematic front view of a digital lever ruler according to an embodiment of the present invention;
fig. 4 is a schematic reverse side view of a digital lever ruler according to an embodiment of the present invention;
fig. 5 is a cross-sectional view of a digital lever ruler according to an embodiment of the present invention.
Icon:
110-a ruler frame; 120-front protection plate; 130-rear protection plate;
210-measuring bar; 220-an elastic member; 230-left shaft sleeve; 240-right shaft sleeve; 250-plug; 260-push handle; 270-lever;
310-differential head; 320-locking knob;
410-a signal receiving board; 420-a main control board; 430-a fixed connector;
510-a display screen; 520-a keypad; 530-show the stationary outer ring;
600-a wireless module;
700-a support bar;
800-battery.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
The present embodiment provides a digital lever ruler, as shown in fig. 1, which includes a ruler frame 110, a measuring bar 210, a differential head 310, and a deviation measuring device; the measuring rod 210 is movably arranged on the ruler frame 110, the differential head 310 is rotatably arranged on the ruler frame 110, the measuring rod 210 and the differential head 310 are coaxially arranged, and a product to be measured is clamped between the measuring rod 210 and the differential head 310; the deviation measuring device comprises a displacement sensor for collecting displacement information of the measuring rod 210, a controller for receiving the displacement information collected by the displacement sensor and a display assembly for displaying the displacement information, wherein the displacement sensor and the display assembly are electrically connected with the controller.
The digital lever ruler provided by the present embodiment,
the differential head 310 may be adjusted to a reference position prior to measurement to prepare for subsequent measurements; in the specific use process, a product to be measured needs to be placed, in the process, the measuring rod 210 moves, the product to be measured is clamped between the measuring rod 210 and the differential head 310, at the moment, the displacement sensor collects displacement information of the measuring rod 210 and sends the displacement information to the controller, and the controller receives corresponding displacement information and controls the display assembly to display the deviation value of the product to be measured. Therefore, the digital lever ruler can replace manual reading, and the measurement precision is improved compared with the manual reading. In addition, in the process of measuring in batches, the measurement can be carried out quickly, efficiently and accurately, and the time cost can be saved. In addition, the method is beneficial to product iterative upgrade, and the required functions are customized according to the requirements of different customers.
The displacement sensor may be secured to the measuring rod 210 in a variety of ways, such as by a threaded connection, an adhesive connection, or the like.
In one embodiment of the present application, as shown in fig. 2, the controller includes a signal receiving board 410 and a main control board 420; the signal receiving board 410 is used for receiving the displacement information of the displacement sensor and sending the displacement information to the main control board 420, and the main control board 420 receives the displacement information and converts the displacement information into displayable digital information; the display component is disposed on the ruler frame 110 and is used for displaying digital information.
Further, as shown in fig. 2 to 4, the signal receiving board 410, the main control board 420 and the display module are all fixed to the fixed connector 430, and the fixed connector 430 is disposed in the inner cavity of the ruler frame 110; one side of the ruler frame 110 is provided with a front protective plate 120, the other side is provided with a rear protective plate 130, and the ruler frame 110 is clamped between the front protective plate 120 and the rear protective plate 130; the front protection plate 120 is provided with a receiving hole for receiving a display module.
The fixed connector 430 is a pcb (printed Circuit board) fixed connector.
Specifically, as shown in fig. 3, the display assembly includes a display screen 510, a key board 520, and a display fixing outer ring 530, wherein the display screen 510 is inserted into an inner ring of the key board 520, and the key board 520 is inserted into an inner ring of the display fixing outer ring 530; the stationary outer ring 530 is shown inserted into the receiving hole of the front protection plate 120.
In another embodiment of the present application, as shown in fig. 2, the digital lever ruler further includes a wireless module 600 and a wired module, both of the wireless module 600 and the wired module are disposed on the ruler frame 110; the display component adopts an intelligent terminal, the displacement sensor is in communication connection with the intelligent terminal, and the wireless module 600 or the wired module is used for transmitting or transmitting displacement information to the intelligent terminal.
The intelligent terminal comprises an intelligent mobile phone, an iPad and a computer; the smart phone, the iPad and the computer can be provided with the APP for correspondingly receiving information, and the APP can be uploaded and displayed when a normal input interface is opened.
As shown in FIG. 5, the ruler frame 110 is provided with a first rod hole for accommodating the measuring rod 210; an elastic part 220 is arranged in the first rod hole, one end of the elastic part 220 is fixed relative to the first rod hole, and the other end of the elastic part is connected with one end of the measuring rod 210 far away from the differential head 310; the end of the measuring rod 210 away from the elastic member 220 protrudes out of the first rod hole and is opposite to the differential head 310.
In this embodiment, the elastic member 220 is a spring.
Further, a left shaft sleeve 230 and a right shaft sleeve 240 are respectively arranged at the left end and the right end of the first rod hole; two ends of the measuring rod 210 are respectively in sliding fit with the left shaft sleeve 230 and the right shaft sleeve 240; the elastic member 220 is located in the left sleeve 230, and the left end of the first rod hole is provided with a plug 250, and one end of the elastic member 220 away from the measuring rod 210 is connected to the plug 250.
In this embodiment, as shown in fig. 5, the measuring rod 210 is connected with a driving mechanism; the driving mechanism comprises a push handle 260 and a transmission component which are in transmission connection, the push handle 260 is connected to the ruler frame 110 in a sliding mode, and the transmission component is in transmission connection with the measuring rod 210 and is used for driving the measuring rod 210 to move along the axial direction; the direction of movement of the push handle 260 is parallel to the direction of movement of the spindle 210.
With continued reference to fig. 5, the transmission assembly includes a lever 270, and the lever 270 is hinged to the ruler frame 110 to form a fulcrum; one end of the push handle 260 is abutted against the power arm of the lever 270 and can push the power arm to rotate around the fulcrum; the resistance arm of the lever 270 is engaged with the measuring bar 210 and can push the measuring bar 210 to move.
As shown in FIG. 3 or FIG. 5, the scale frame 110 is provided with a second rod hole for receiving the differential head 310; a locking knob 320 for locking the differential head 310 is provided at the second rod hole.
As shown in fig. 1, 3, 4 or 5, the ruler frame 110 is provided with a support bar 700, and the support bar 700 is vertically or obliquely arranged for supporting a product to be measured.
In addition to the above arrangement, the digital lever ruler also includes a battery 800 for powering the displacement sensor.
The embodiment also provides a measuring method using the digital lever ruler, which comprises the following steps:
adjusting the differential head 310 to a reference position and locking;
the displacement information of the measuring bar 210 is acquired and converted into displayable digital information.
Specifically, the measuring process of the digital lever ruler is as follows:
clamping the standard block between the measuring rod 210 and the differential head 310, locking a locking knob 320 at one end of the differential head 310, and clearing the numerical value;
and then the standard block is taken down according to the push handle 260, the product part to be measured is replaced, the push handle 260 is released, the measuring rod 210 moves under the action of the spring force and clamps the product part to be measured between the measuring rod 210 and the differential head 310, at the moment, the displacement sensor acquires the displacement of the measuring rod 210, namely the standard deviation value, the displacement sensor sends displacement information to the controller, the controller receives corresponding displacement information for processing, converts the displacement information into digital information and transmits the digital information to the display assembly, and finally the deviation value of the product part to be measured is displayed on the display assembly.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. A digital lever ruler, comprising: the measuring device comprises a ruler frame (110), a measuring rod (210), a differential head (310) and a deviation measuring device;
the measuring rod (210) is movably arranged on the ruler frame (110), the differential head (310) is rotatably arranged on the ruler frame (110), the measuring rod (210) and the differential head (310) are coaxially arranged, and a product to be measured is clamped between the measuring rod and the differential head (310);
the deviation measuring device comprises a displacement sensor used for collecting displacement information of the measuring rod (210), a controller used for receiving the displacement information collected by the displacement sensor and a display assembly used for displaying the displacement information, wherein the displacement sensor and the display assembly are electrically connected with the controller.
2. The digital lever ruler of claim 1, wherein the controller comprises a signal receiving board (410) and a main control board (420);
the signal receiving board (410) is used for receiving displacement information of the displacement sensor and sending the displacement information to the main control board (420), and the main control board (420) receives the displacement information and converts the displacement information into displayable digital information;
the display component is arranged on the ruler frame (110) and used for displaying the digital information.
3. The digital lever ruler of claim 2, wherein the signal receiving board (410), the main control board (420), and the display assembly are all fixed to a fixed connector (430), the fixed connector (430) being disposed in an inner cavity of the ruler frame (110);
a front protective plate (120) is arranged on one side of the ruler frame (110), a rear protective plate (130) is arranged on the other side of the ruler frame (110), and the ruler frame (110) is clamped between the front protective plate (120) and the rear protective plate (130); the front protective plate (120) is provided with a containing hole for containing the display component.
4. The digital lever ruler of claim 1, further comprising a wireless module (600) and a wired module, both the wireless module (600) and the wired module being disposed on the ruler frame (110);
the display assembly is an intelligent terminal, the displacement sensor is in communication connection with the intelligent terminal, and the wireless module (600) or the wired module is used for transmitting or transmitting displacement information to the intelligent terminal.
5. The digital lever ruler of claim 1, wherein the ruler frame (110) is provided with a first rod hole for receiving the measuring rod (210);
an elastic piece (220) is arranged in the first rod hole, one end of the elastic piece (220) is fixed relative to the first rod hole, and the other end of the elastic piece is connected with one end, far away from the differential head (310), of the measuring rod (210);
one end, far away from the elastic piece (220), of the measuring rod (210) protrudes out of the first rod hole and is arranged opposite to the differential head (310).
6. The digital lever ruler of claim 5, wherein a left bushing (230) and a right bushing (240) are respectively provided at left and right ends of the first rod hole;
two ends of the measuring rod (210) are respectively in sliding fit with the left shaft sleeve (230) and the right shaft sleeve (240);
the elastic piece (220) is located in the left shaft sleeve (230), a plug (250) is arranged at the left end of the first rod hole, and one end, far away from the measuring rod (210), of the elastic piece (220) is connected to the plug (250).
7. The digital lever ruler of claim 5, wherein a drive mechanism is connected to the measuring bar (210);
the driving mechanism comprises a push handle (260) and a transmission assembly which are in transmission connection, the push handle (260) is connected to the ruler frame (110) in a sliding mode, and the transmission assembly is in transmission connection with the measuring rod (210) and is used for driving the measuring rod (210) to move along the axial direction;
the moving direction of the push handle (260) is parallel to the moving direction of the measuring rod (210).
8. The digital lever ruler of claim 7, wherein the transmission assembly comprises a lever (270), the lever (270) being hinged to the ruler frame (110) forming a fulcrum;
one end of the push handle (260) is abutted against a power arm of the lever (270) and can push the power arm to rotate around the fulcrum; the resistance arm of the lever (270) is clamped on the measuring rod (210) and can push the measuring rod (210) to move.
9. The digital lever ruler of any one of claims 1-8, wherein the ruler frame (110) is provided with a second rod hole for receiving the differentiating head (310);
and a locking knob (320) used for locking the differential head (310) is arranged at the second rod hole.
10. The digital lever ruler of any one of claims 1-8, wherein the ruler frame (110) is provided with a support bar (700), and the support bar (700) is vertically or obliquely arranged for supporting a product to be tested.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022974510.2U CN213778822U (en) | 2020-12-09 | 2020-12-09 | Digital lever ruler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022974510.2U CN213778822U (en) | 2020-12-09 | 2020-12-09 | Digital lever ruler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213778822U true CN213778822U (en) | 2021-07-23 |
Family
ID=76898291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022974510.2U Active CN213778822U (en) | 2020-12-09 | 2020-12-09 | Digital lever ruler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213778822U (en) |
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2020
- 2020-12-09 CN CN202022974510.2U patent/CN213778822U/en active Active
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