Waterproof digital display caliper with replaceable measuring claw

Abstract

A caliper frame is connected to a caliper blank assembly in a sliding mode, a display module connected with the caliper frame in a matched mode is arranged on the front face of the caliper frame, and a constant force measurement assembly is arranged on the lower end face of the caliper frame. An embedded fixed grid is arranged on the front face of the ruler frame, a PCB is arranged on the back face of the display module, a movable grid is integrated on the PCB, a fixed clamping piece is arranged at the left end of the ruler blank assembly, a first measuring block is arranged on the lower end face of the fixed clamping piece, and a second measuring block is arranged on the lower end face of the display module. The first measuring block and the second measuring block are clamped with clamping grooves, measuring assemblies are detachably connected in the clamping grooves, the measuring assemblies adopt dial gauge connecting pieces, one dial gauge connecting piece is connected with a dial gauge in a sliding mode, the other dial gauge connecting piece is connected with a measuring rod in a sliding mode, and the measuring rod corresponds to the dial gauge in position. The measuring claw has the advantages that the measuring claw cannot be flexibly replaced, and a special-shaped object cannot be effectively and accurately measured.

Description

Technical Field

[0001] The utility model relates to the technical field of calipers, in particular to a waterproof digital display caliper with replaceable measuring jaws. Background Art

[0002] A digital caliper is a measuring tool used to measure length, inside and outside diameters, and depth. It offers intuitive readings, ease of use, and diverse functions. The caliper body is equipped with a high-precision rack, which rotates a circular grid. Using the principle of photoelectric pulse counting, the displacement of the caliper jaws is converted into a pulse signal, which is then displayed digitally on the screen via a counter and display.

[0003] When measuring, the measuring jaws of the existing digital caliper cannot be disassembled, assembled or replaced according to the shape of the object being measured, and thus the measuring jaws cannot accurately measure the dimensions of irregularly shaped objects. Utility Model Content

[0004] 1. Technical Problems Solved

[0005] The technical problem to be solved by the utility model is that the measuring claws of the existing digital caliper cannot be flexibly replaced and cannot effectively and accurately measure special-shaped objects.

[0006] 2. Technical Solution

[0007] In order to solve the above technical problems, the utility model provides the following technical solutions: a waterproof digital display caliper with interchangeable measuring jaws, comprising a ruler blank assembly, a ruler frame and a display module,

[0008] A ruler frame is slidably connected to the ruler blank assembly, a display module is provided on the front of the ruler frame, and a constant force measuring assembly is provided on the lower end surface of the ruler frame;

[0009] The front of the ruler frame is provided with an embedded fixed grid, the back of the display module is provided with a PCB board, and the PCB board is integrated with a moving grid. The left end of the ruler blank assembly is provided with a fixing clamp, and the lower end surface of the fixing clamp is provided with a measuring block 1, and the lower end surface of the display module is provided with a measuring block 2.

[0010] Both the measuring block one and the measuring block two are connected with a card slot, and a measuring component is detachably connected in the card slot. The measuring component adopts an indicator meter connecting piece, one of the indicator meter connecting pieces is slidably connected to an indicator meter, and the other indicator meter connecting piece is slidably connected to a measuring rod, and the measuring rod corresponds to the position of the indicator meter.

[0011] Furthermore, the measuring assembly adopts a knife-edge type measuring claw assembly, and the knife-edge type measuring claw assembly includes a vertical plate, and the lower end of the vertical plate is knife-edge shaped.

[0012] Furthermore, the measuring component adopts a flat-mouth type measuring jaw component, and the flat-mouth type measuring jaw component includes a vertical plate, and the lower end of the vertical plate is in a flat-mouth shape.

[0013] Furthermore, the measuring component adopts an outer groove type measuring jaw component, and the outer groove type measuring jaw component includes a vertical plate, and a folding plate that is folded outward is arranged at the lower end of the vertical plate.

[0014] Furthermore, the measuring component adopts an inner groove type measuring jaw component, and the inner groove type measuring jaw component includes a vertical plate, and a folding plate that is folded inward is arranged at the lower end of the vertical plate.

[0015] Furthermore, main scale end caps are sleeved at both ends of the scale blank component, and the end caps of the scale blank component are connected to the main scale by screws.

[0016] Furthermore, a battery is arranged in the display module, a battery cover is arranged in front of the battery, the battery cover is snap-connected to the display module, and a battery plug and an O-ring are arranged between the battery cover and the battery.

[0017] III. Beneficial Effects

[0018] The advantages of the present utility model compared with the prior art are as follows:

[0019] The measuring component in the card slot can be flexibly replaced and adjusted according to the shape of the measured item, and the indicating gauge connecting piece measures the inner and outer diameters of the holes on the item through the indicating gauge; the knife-edge type measuring jaw component, the flat-mouth type measuring jaw component, the inner groove type measuring jaw component and the outer groove type measuring jaw component are suitable for accurately measuring different-shaped special-shaped objects. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is an exploded view of the present utility model;

[0021] Figure 2 is a use state diagram of Embodiment 1 of the present utility model;

[0022] Figure 3 is a use state diagram of Embodiment 2 of the present utility model;

[0023] Figure 4 is a use state diagram of Embodiment 3 of the present utility model;

[0024] Figure 5 is a use state diagram of Embodiment 4 of the present utility model;

[0025] Figure 6 is a use state diagram of Embodiment 5 of the present utility model;

[0026] Reference numerals: 1, ruler blank assembly; 2, ruler frame; 3, display module; 4, constant force measuring assembly; 5, fixed grating; 6, fixed clamping part; 7, first measuring block; 8, second measuring block; 9, O-ring; 10, card slot; 11, indicating gauge connecting part; 12, indicating gauge; 13, measuring rod; 14, knife-edge type measuring jaw assembly; 15, flat mouth type measuring jaw assembly; 16, outer groove type measuring jaw assembly; 17, inner groove type measuring jaw assembly; 18, main ruler end cover; 19, battery; 20, battery cover; 21, battery plug. Detailed implementation mode

[0027] The technical solutions in the embodiments of the present invention will be clearly and completely described below. Apparently, the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0028] It should be noted that all directional indications such as up, down, left, right, front, back... in the embodiments of the present invention are only used to explain the relative positional relationship and movement conditions between components in a specific posture as shown in the drawings. If the specific posture changes, the directional indications will also change accordingly.

[0029] In addition, the descriptions such as "first" and "second" in the present invention are only for descriptive purposes, and cannot be understood as indicating or implying their relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In the description of the present invention, the meaning of "a plurality" is at least two, such as two, three, etc., unless otherwise specifically defined.

[0030] In order to make the purpose, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention.

[0031] Now, the present invention will be further described with reference to the accompanying drawings of the specification.

[0032] Embodiment 1

[0033] Combined with the attached Figure 1-6 , a ruler frame 2 is slidably connected to the ruler blank assembly 1, a display module 3 cooperatively connected therewith is arranged on the front surface of the ruler frame 2, and a constant force measuring assembly 4 is arranged on the lower end surface of the ruler frame 2;

[0034] On the front of the scale frame 2, an embedded fixed grating 5 is provided. On the back of the display module 3, a PCB board is provided, and a moving grating is integrated on the PCB board. At the left end of the scale blank assembly 1, a fixed fixture 6 is provided. On the lower end surface of the fixed fixture 6, a first measuring block 7 is provided. On the lower end surface of the display module 3, a second measuring block 8 is provided;

[0035] On both the first measuring block 7 and the second measuring block 8, a clamping groove 10 is clamped. A measuring component is detachably connected in the clamping groove 10. The measuring component adopts an indicating gauge connecting piece 11. On one of the indicating gauge connecting pieces 11, an indicating gauge 12 is slidably connected. On the other indicating gauge connecting piece 11, a measuring rod 13 is slidably connected. The measuring rod 13 corresponds to the position of the indicating gauge 12;

[0036] The measuring component adopts a knife-edge type measuring claw component 14. The knife-edge type measuring claw component 14 includes a vertical plate, and the lower end of the vertical plate is in a knife-edge shape;

[0037] The measuring component adopts a flat-mouth type measuring claw component 15. The flat-mouth type measuring claw component 15 includes a vertical plate, and the lower end of the vertical plate is in a flat-mouth shape;

[0038] The measuring component adopts an outer groove type measuring claw component 16. The outer groove type measuring claw component 16 includes a vertical plate, and a folding plate that turns outward is provided at the lower end of the vertical plate;

[0039] The measuring component adopts an inner groove type measuring claw component 17. The inner groove type measuring claw component 17 includes a vertical plate, and a folding plate that turns inward is provided at the lower end of the vertical plate.

[0040] During use, the clamping groove 10 fixes the indicating gauge connecting piece 11. The indicating gauge 12 and the measuring rod 13 are installed on the indicating gauge connecting piece 11. When the indicating gauge 12 is between the indicating gauge connecting pieces 11, it is used to measure the inner diameter of the hole on the object; when the indicating gauge 12 is on one side of the indicating gauge connecting piece 11, it is used to measure the outer diameter of the hole on the object.

[0041] The knife-edge type measuring claw component 14 is used to measure the width and outer diameter of the convex part on the object; the flat-mouth type measuring claw component 15 measures the width and inner diameter of the concave hole on the object; the outer groove type measuring claw component 16 measures the distance between the embedded grooves on the outer surface of the object; the inner groove type measuring claw component 17 measures the distance between the grooves on the inner surface of the groove of the object.

[0042] Embodiment 2

[0043] Combined with the attached Figure 1 Both ends of the scale blank assembly 1 are sleeved with main scale end caps 18. The main scale end caps 18 are connected to the scale blank assembly 1 by screws;

[0044] The display module 3 is provided with a battery 19. A battery cover 20 is arranged on the front side of the battery 19. The battery cover 20 is snap-connected to the display module 3. A battery plug 21 and an O-ring 9 are arranged between the battery cover 20 and the battery 19.

[0045] Based on the first embodiment, the master scale end caps 18 at both ends of the master scale 1 limit the positions of the components on the master scale 1.

[0046] The battery 19 supplies power to the display module 3. The battery cover 20 fixes the position of the battery 19 through the battery plug 21 and the O-ring 9.

[0047] The utility model and its implementation manners have been described. Such description is not restrictive. What is shown in the drawings is only one of the implementation manners of the utility model, and the actual structure is not limited thereto. Generally speaking, if those of ordinary skill in the art are inspired by it and, without departing from the gist of the creation of the utility model, design similar structural manners and embodiments to this technical solution without creative efforts, they shall fall within the protection scope of the utility model.

Claims

1. Waterproof digital display replaceable measuring jaw caliper, comprising a ruler blank assembly (1), a ruler frame (2) and a display module (3), characterized in that: The ruler frame (2) is slidably connected to the ruler blank assembly (1). The front of the ruler frame (2) is provided with a display module (3) connected thereto in cooperation. The lower end surface of the ruler frame (2) is provided with a constant force measuring component (4); The front of the ruler frame (2) is provided with an embedded fixed grating (5). The back of the display module (3) is provided with a PCB board, on which a moving grating is integrated. The left end of the ruler blank assembly (1) is provided with a fixed clamping part (6). The lower end surface of the fixed clamping part (6) is provided with a first measuring block (7). The lower end surface of the display module (3) is provided with a second measuring block (8); Both the first measuring block (7) and the second measuring block (8) are clamped with a card slot (10). A measuring component is detachably connected in the card slot (10). The measuring component adopts an indicating gauge connecting piece (11). An indicating gauge (12) is slidably connected to one of the indicating gauge connecting pieces (11), and a measuring rod (13) is slidably connected to the other indicating gauge connecting piece (11). The measuring rod (13) corresponds to the position of the indicating gauge (12).

2. The waterproof digital display replaceable measuring jaw caliper according to claim 1, characterized in that: The measuring component adopts a knife-edge type measuring jaw component (14). The knife-edge type measuring jaw component (14) includes a vertical plate, and the lower end of the vertical plate is in a knife-edge shape.

3. The waterproof digital display replaceable measuring jaw caliper according to claim 1, characterized in that: The measuring component adopts a flat mouth type measuring jaw component (15). The flat mouth type measuring jaw component (15) includes a vertical plate, and the lower end of the vertical plate is in a flat mouth shape.

4. The waterproof digital display replaceable measuring jaw caliper according to claim 1, characterized in that: The measuring component adopts an outer groove type measuring jaw component (16). The outer groove type measuring jaw component (16) includes a vertical plate, and the lower end of the vertical plate is provided with a folded plate that turns outward.

5. The waterproof digital display replaceable measuring jaw caliper according to claim 1, characterized in that: The measuring component adopts an inner groove type measuring jaw component (17). The inner groove type measuring jaw component (17) includes a vertical plate, and the lower end of the vertical plate is provided with a folded plate that turns inward.

6. The waterproof digital display replaceable measuring jaw caliper according to claim 1, characterized in that: Both ends of the ruler blank assembly (1) are sleeved with main ruler end caps (18). The main ruler end caps (18) are connected to the ruler blank assembly (1) by screws.

7. The waterproof digital display replaceable measuring jaw caliper according to claim 1, characterized in that: A battery (19) is provided in the display module (3). A battery cover (20) is provided on the front side of the battery (19). The battery cover (20) is snap-connected to the display module (3). A battery plug (21) and an O-ring (9) are provided between the battery cover (20) and the battery (19).

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