Special loading shell for tester

Abstract

The utility model discloses a special loading shell of a determinator, which comprises the determinator, shell seats and a bottom cover, the shell seats are detachably connected, the shell seats are provided with sliding chutes matched with the determinator, the determinator is connected with the shell seats through a displacement mechanism, and the displacement mechanism comprises an extension strip, a plug block and a driving assembly. A battery bin and a circuit board are arranged in the bottom cover, a control switch is arranged on the outer wall of the shell base, and a scale strip is arranged on the surface of the extension strip, so that a user can visually know the extension length and accurately adjust the position of the tester. Through combination of a spur rack, a first gear, a second gear and a driving motor, rapid and stable movement of the extension strip is achieved, and the structural compactness is improved through the hidden design of the driving motor. The arc-shaped blocking piece limits the maximum rotation range of the tester, and accidental overturning is prevented. The ratchet wheel and pawl assembly ensures that the tester is stable in position and avoids change caused by mistaken touch. The hand wheel is used as a standby adjusting mode, position adjustment is facilitated, and the temporary storage groove in the plug block facilitates storage of the hand wheel and prevents loss.

Description

Technical Field

[0001] The utility model belongs to the technical field of measuring instruments, and in particular relates to a special loading shell of a measuring instrument. Background Art

[0002] When using the measuring instrument, it is usually necessary to assemble it in a special shell for easy carrying and transportation. However, the traditional carrying shell only provides a space to accommodate the measuring instrument, and the fixing and protection measures for the measuring instrument are insufficient, so the measuring instrument may be damaged or displaced during transportation. During use, the user needs to adjust the distance between the measuring instrument and the object to be measured, and during the adjustment process, the user needs to measure the distance repeatedly. Utility Model Content

[0003] In order to solve the problems raised in the above-mentioned background technology, the utility model provides the following technical solutions: a special loading shell of a measuring instrument, which includes a measuring instrument and a shell, and the shell includes a shell base and a bottom cover, the shell base is detachably connected to the shell base, the shell base is provided with a slide groove matched with the measuring instrument, the measuring instrument is connected to the shell base through a displacement mechanism, the displacement mechanism includes an extension bar, a plug block, and a driving assembly, the extension bar is installed on the top of the driving assembly, the shell base is provided with a matching groove matched with the extension bar, the measuring instrument is hinged to the end of the extension bar away from the matching groove, the plug block is arranged in the shell base, and the two sides of the plug block are respectively abutted against the side walls of the shell base and the side walls of the measuring instrument, a battery compartment and a circuit board are arranged in the bottom cover, a control switch is arranged on the outer wall of the shell base, and the driving assembly, the battery compartment and the control switch are connected to the circuit board through wires.

[0004] Furthermore, the driving assembly includes a spur rack, a first gear, a second gear, and a driving motor, the extension bar is connected to the spur rack, the first gear and the second gear are both installed in the shell base and meshed with the spur rack, the first gear is arranged adjacent to the fitting groove, the second gear is arranged adjacent to the plug block, the second gear is provided with a gap groove, the driving motor is installed on the side wall of the shell base, the driving motor is located in the gap groove, the driving shaft of the driving motor is transmission-connected to the second gear, and the driving motor is connected to the circuit board through a wire.

[0005] Furthermore, an arc-shaped baffle is arranged in the shell seat, and the arc-shaped baffle is arranged adjacent to the measuring instrument, and the end of the plug block abuts against the arc-shaped baffle.

[0006] Furthermore, the first gear is connected to a ratchet and pawl assembly, and a paddle of the ratchet and pawl is arranged on an outer wall of the housing seat.

[0007] Furthermore, one end of the first gear away from the ratchet pawl is connected to a hand wheel.

[0008] Furthermore, the plug block is provided with a temporary storage groove for placing the hand wheel.

[0009] The beneficial effects of the utility model are as follows: the scale bar design on the surface of the extension bar allows the user to intuitively understand the extension length of the extension bar, so as to more accurately adjust the position of the measuring instrument; the combination of the spur rack, the first gear, the second gear and the drive motor realizes the rapid and smooth movement of the extension bar, and the hidden design of the drive motor also improves the compactness of the overall structure; the design of the arc-shaped baffle effectively limits the maximum rotation range of the measuring instrument and prevents the accidental overturning of the measuring instrument. The addition of the ratchet pawl assembly further ensures the stability of the position of the measuring instrument and avoids position changes caused by accidental touch; the design of the handwheel provides the user with a backup adjustment method, so that the position of the measuring instrument can be easily adjusted even if the battery is exhausted. The temporary storage groove on the plug facilitates the storage of the handwheel and prevents the loss of the handwheel. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 This is a first-perspective stereogram of the present invention;

[0011] Figure 2 It is a second perspective stereogram of the utility model;

[0012] Figure 3 It is a top view of the utility model;

[0013] Figure 4 for Figure 3 Schematic diagram of the section along the AA direction;

[0014] Figure 5 It is an explosion diagram of the utility model;

[0015] Figure 6 This is a first use state diagram of the utility model;

[0016] Figure 7 This is a second usage state diagram of the utility model.

[0017] The meaning of the numbers in the figure are as follows: 1 - measuring instrument; 2 - housing base; 3 - bottom cover; 4 - slide groove; 5 - extension strip; 6 - plug block; 7 - fitting groove; 8 - battery compartment; 9 - circuit board; 10 - control switch; 11 - spur rack; 12 - first gear; 13 - second gear; 14 - driving motor; 15 - clearance groove; 16 - arc-shaped baffle; 17 - ratchet pawl assembly; 18 - handwheel; 19 - temporary storage groove. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-7 The utility model provides the following technical solutions: a special loading shell of a measuring instrument 1, comprising a measuring instrument 1 and a shell, wherein the shell comprises a shell base 2 and a bottom cover 3, wherein the shell base 2 is detachably connected to the shell base 2, wherein the shell base 2 is provided with a slide groove 4 adapted to the measuring instrument 1, wherein the measuring instrument 1 is connected to the shell base 2 via a displacement mechanism, wherein the displacement mechanism comprises an extension bar 5, a plug 6, and a driving assembly for driving the extension bar 5 to move, wherein the extension bar 5 is installed at the top of the driving assembly, wherein the The shell base 2 is provided with a mating groove 7 which is adapted to the extension strip 5. The measuring instrument 1 is hinged to one end of the extension strip 5 away from the mating groove 7. The plug 6 is arranged in the shell base 2. The two sides of the plug 6 are respectively abutted against the side walls of the shell base 2 and the side walls of the measuring instrument 1. A battery compartment 8 and a circuit board 9 are arranged in the bottom cover 3. A control switch 10 is arranged on the outer wall of the shell base 2. The driving assembly, the battery compartment 8 and the control switch 10 are connected to the circuit board 9 through wires.

[0020] In the above structure, a scale bar is provided on the surface of the extension bar 5, and the length of the end of the extension bar 5 extending out of the fitting groove 7 can be judged by the scale bar; two control switches 10 are provided, namely a forward switch and a backward switch; the driving component can drive the end of the extension bar 5 to extend out of the fitting groove 7; the measuring instrument 1 is hinged to the extension bar 5, so that the measuring instrument 1 can be flipped over. When the measuring instrument 1 is not in use, the measuring instrument 1 can be flipped over and placed in the shell base 2; when the measuring instrument 1 is in use, the plug 6 is taken out and the measuring instrument 1 is flipped over so that the measuring instrument 1 is located above the extension bar 5; using this structure, the measuring instrument 1 can be stored in a hidden manner, and the distance between the measuring instrument 1 and the fitting groove 7 can also be quickly adjusted.

[0021] In this embodiment, the driving assembly includes a spur rack 11, a first gear 12, a second gear 13, and a driving motor 14. The extension bar 5 is connected to the spur rack 11. The first gear 12 and the second gear 13 are both installed in the shell base 2 and meshed with the spur rack 11. The first gear 12 is arranged adjacent to the fitting groove 7, and the second gear 13 is arranged adjacent to the plug 6. The second gear 13 is provided with a gap groove 15. The driving motor 14 is installed on the side wall of the shell base 2. The driving motor 14 is located in the gap groove 15. The driving shaft of the driving motor 14 is transmission-connected to the second gear 13. The driving motor 14 is connected to the circuit board 9 through a wire.

[0022] In the above structure, the first gear 12 and the second gear 13 are used to support the spur rack 11 and transmit the transmission; the spur rack 11 and the extension bar 5 are both slidably connected in the shell base 2; the forward and reverse rotation of the drive motor 14 can control the measuring instrument 1 to approach or move away from the matching groove 7, and the drive motor 14 is hidden in the gap groove 15, which effectively improves the compactness of the internal structure; when the user presses the forward switch, the drive motor 14 rotates forward, and the measuring instrument 1 moves toward the matching groove 7; when the user presses the backward switch, the drive motor 14 reverses, and the measuring instrument 1 moves away from the matching groove 7.

[0023] In this embodiment, an arc-shaped baffle 16 is disposed in the housing 2 . The arc-shaped baffle 16 is disposed adjacent to the measuring instrument 1 , and the end of the plug 6 abuts against the arc-shaped baffle 16 .

[0024] The above structure is used to limit the maximum rotation range of the measuring instrument 1 relative to the extension bar 5, achieving a technical effect of limiting.

[0025] In this embodiment, the first gear 12 is connected to a ratchet pawl assembly 17 , and the paddle of the ratchet pawl is disposed on the outer wall of the housing 2 .

[0026] With the above structure, the ratchet pawl assembly 17 effectively limits the free rotation of the first gear 12 , thereby preventing the relative position of the measuring instrument 1 with respect to the housing 2 from changing when the user adjusts the position of the measuring instrument 1 .

[0027] In this embodiment, a hand wheel 18 is connected to one end of the first gear 12 away from the ratchet pawl.

[0028] With the above structure, when the battery is out of power, the user can drive the gear to rotate by the hand wheel 18 to adjust the position of the measuring instrument 1.

[0029] In this embodiment, the plug block 6 is provided with a temporary storage groove 19 for placing the hand wheel 18 .

[0030] The above structure facilitates the storage of the hand wheel 18 and prevents the hand wheel 18 from being lost.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A dedicated loading shell for a measuring instrument, comprising a measuring instrument and a shell, characterized in that: The shell body includes a shell base and a bottom cover, the shell base is detachably connected to the shell base, the shell base is provided with a slide groove adapted to the measuring instrument, the measuring instrument is connected to the shell base through a displacement mechanism, the displacement mechanism includes an extension bar, a plug block, and a driving assembly, the extension bar is installed on the top of the driving assembly, the shell base is provided with a matching groove adapted to the extension bar, the measuring instrument is hinged to the end of the extension bar away from the matching groove, the plug block is arranged in the shell base, and the two sides of the plug block are respectively abutted against the side walls of the shell base and the side walls of the measuring instrument, a battery compartment and a circuit board are arranged in the bottom cover, a control switch is arranged on the outer wall of the shell base, and the driving assembly, the battery compartment and the control switch are connected to the circuit board through wires.

2. The dedicated loading housing of a measuring instrument according to claim 1, characterized in that: The driving assembly includes a spur rack, a first gear, a second gear, and a driving motor. The extension bar is connected to the spur rack. The first gear and the second gear are both installed in the shell base and meshed with the spur rack. The first gear is arranged adjacent to the fitting groove, the second gear is arranged adjacent to the plug block, and the second gear is provided with a gap groove. The driving motor is installed on the side wall of the shell base, the driving motor is located in the gap groove, the driving shaft of the driving motor is transmission-connected to the second gear, and the driving motor is connected to the circuit board through a wire.

3. The dedicated loading housing of a measuring instrument according to claim 1, characterized in that: An arc-shaped baffle is arranged in the shell seat, and the arc-shaped baffle is arranged adjacent to the measuring instrument, and the end of the plug block abuts against the arc-shaped baffle.

4. The dedicated loading housing of a measuring instrument according to claim 2, characterized in that: The first gear is connected with a ratchet pawl assembly, and the paddle of the ratchet pawl is arranged on the outer wall of the shell seat.

5. The dedicated loading housing of the measuring instrument according to claim 4, characterized in that: One end of the first gear away from the ratchet pawl is connected with a hand wheel.

6. The dedicated loading housing of a measuring instrument according to claim 1, characterized in that: The plug block is provided with a temporary storage groove for placing the hand wheel.

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