Handheld current and voltage vector protection measuring instrument

Abstract

The utility model belongs to the technical field of measuring instruments, particularly relates to a handheld current and voltage vector protection measuring instrument, and aims to solve the technical problem that the absorption capacity of a vibration isolation spring to external vibration cannot be maintained. Comprising a mounting bottom plate, a door-shaped frame, a rectangular sliding groove, an inner end sliding column, a middle end sliding fixing plate, a rotating threaded sleeve, a rotating limiting ring, a threaded driving rod, a push rod, a fixed mounting sleeve and a sliding groove opening, the door-shaped frame is fixedly mounted on the mounting bottom plate, the rectangular sliding groove is formed in the door-shaped frame, the inner end sliding column is arranged in the rectangular sliding groove, and the middle end sliding fixing plate is fixed through a carrying handle. Therefore, the device is convenient to carry; meanwhile, a rotary knob is manually rotated, then a rotary threaded sleeve is driven to rotate through the rotary knob, then a push rod slides in an opening of a sliding groove through threaded connection between the rotary threaded sleeve and a threaded driving rod, and meanwhile adjustment of the pre-compression amount of the vibration isolation spring is changed through the push rod; and therefore, the absorption capacity of the vibration isolation spring to external vibration can be conveniently maintained.

Description

Technical Field

[0001] The utility model belongs to the technical field of measuring instruments, and in particular relates to a handheld current and voltage vector protection measuring instrument. Background Art

[0002] For example, the patent application number CN202321296689.8 is a portable, fall-proof measuring device, which includes a measuring instrument and a bracket. A pop-up mechanism and an elastic mechanism are provided in the bracket. The pop-up mechanism includes: a fixed block, a slider, a spring, a pull rod, cylinder one, cylinder two, and a support rod; the elastic mechanism includes a rotating rod, an insert block, a pull rope, and a support rod; the support rod is hinged to the fixed plate at the top. However, the disadvantage of this technical solution is that there is no way to maintain the vibration isolation spring's ability to absorb external vibrations. Utility Model Content

[0003] The utility model aims to provide a handheld current and voltage vector protection measuring instrument to solve the technical problem that there is no way to achieve the absorption capacity of the vibration isolation spring to the external vibration.

[0004] To achieve the above purpose, the specific technical solution of a handheld current and voltage vector protection measuring instrument of the utility model is as follows:

[0005] A handheld current and voltage vector protection measuring instrument comprises a mounting base plate, a gantry, a rectangular slide, an inner end slide column, a middle end sliding fixed plate, a rotating threaded sleeve, a rotating limiting ring, a threaded driving rod, a push rod, a fixed mounting sleeve and a slide slot opening. The mounting base plate is fixedly mounted with a gantry, a rectangular slide slot is opened on the gantry, an inner end slide column is arranged in the rectangular slide slot, a middle end sliding fixed plate is slidably mounted on the inner end slide column, a rotating limiting ring is fixedly mounted on the gantry, a rotating threaded sleeve is rotatably mounted on the rotating limiting ring, a threaded driving rod is threadedly mounted on the rotating threaded sleeve, a push rod is fixedly mounted on the threaded driving rod, the push rod is slidably mounted in the slide slot opening, the slide slot opening is opened on the fixed mounting sleeve, and the fixed mounting sleeve is fixedly mounted on the gantry.

[0006] Furthermore, two middle end sliding fixing plates are provided.

[0007] Furthermore, a current and voltage measuring instrument is arranged between the two middle end sliding fixing plates.

[0008] Furthermore, a knob is fixedly mounted on the rotating threaded sleeve.

[0009] Furthermore, a mounting column A is installed on the middle end sliding fixed plate, and a vibration isolation spring is arranged between the mounting column A and the push rod.

[0010] Furthermore, the vibration isolation spring is sleeved on a fixed installation sleeve.

[0011] The advantages of the utility model are:

[0012] The carrying handle makes it convenient to carry the device; at the same time, the knob is manually turned to drive the rotating threaded sleeve to rotate, and the threaded connection between the rotating threaded sleeve and the threaded driving rod is used to make the push rod slide along the opening of the slide groove, and the pre-compression amount of the vibration isolation spring is changed by the push rod, so as to maintain the vibration isolation spring's ability to absorb external vibrations. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 for Figure 1 The location of the cutting line Figure 1 ;

[0015] Figure 3 for Figure 2 Cross-sectional view along section AA;

[0016] Figure 4 for Figure 1 The location of the cutting line Figure 2 ;

[0017] Figure 5 for Figure 4 Cross-sectional view along section BB;

[0018] Description of the markings in the figure:

[0019] Mounting base plate 1; door frame 2; rectangular slide 3; inner end slide column 4; middle end sliding fixed plate 5; knob 6; rotating threaded sleeve 7; rotating limit ring 8; threaded drive rod 9; push rod 10; fixed mounting sleeve 11; slide opening 12; vibration isolation spring 13; current and voltage measuring instrument 14; handle 15. DETAILED DESCRIPTION

[0020] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.

[0021] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0022] Example 1

[0023] like Figure 1-5 As shown, a handheld current and voltage vector protection measuring instrument comprises a mounting base plate 1, a door frame 2, a rectangular slide groove 3, an inner end slide column 4, a middle end sliding fixed plate 5, a rotating threaded sleeve 7, a rotating limit ring 8, a threaded driving rod 9, a push rod 10, a fixed mounting sleeve 11, and a slide groove opening 12. The mounting base plate 1 is fixedly mounted with a door frame 2, the door frame 2 is provided with a rectangular slide groove 3, the rectangular slide groove 3 is provided with an inner end slide column 4, the middle end sliding fixed plate 5 is slidably mounted on the inner end slide column 4, the door frame 2 is fixedly mounted with a rotating limit ring 8, the rotating limit ring 8 is rotatably mounted with a rotating threaded sleeve 7, and the rotating threaded sleeve 7 is threadedly mounted with a threaded driving rod 9. A push rod 10 is fixedly installed on the threaded driving rod 9, and the push rod 10 is slidably installed in the slide groove opening 12, and the slide groove opening 12 is opened on the fixed installation sleeve 11, and the fixed installation sleeve 11 is fixedly installed on the door frame 2. With such an arrangement, the device can be easily carried through the carrying handle 15; at the same time, the knob 6 is manually turned, and the rotating threaded sleeve 7 is driven to rotate through the knob 6, and then the push rod 10 is made to slide along the slide groove opening 12 through the threaded connection between the rotating threaded sleeve 7 and the threaded driving rod 9. At the same time, the pre-compression amount of the vibration isolation spring 13 is changed through the push rod 10, so as to facilitate the maintenance of the vibration isolation spring 13's absorption capacity for external vibrations.

[0024] Example 2

[0025] like Figure 1-5 As shown, a handle 15 is fixedly mounted on the door frame 2.

[0026] There are two middle end sliding fixing plates 5 .

[0027] Wherein, a current and voltage measuring instrument 14 is arranged between the two middle end sliding fixing plates 5 .

[0028] Wherein, a knob 6 is fixedly mounted on the rotating threaded sleeve 7 .

[0029] Wherein, a mounting column A is installed on the middle end sliding fixing plate 5 , and a vibration isolation spring 13 is arranged between the mounting column A and the push rod 10 .

[0030] The vibration isolation spring 13 is sleeved on the fixed installation sleeve 11 .

[0031] It is understood that the present invention is described by some embodiments, and those skilled in the art are aware that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, under the teachings of the present invention, these features and embodiments may be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the scope of protection of the present invention.

Claims

1. A handheld current and voltage vector protection measuring instrument, characterized in that: The invention comprises a mounting base plate (1), a gantry frame (2), a rectangular slide groove (3), an inner end slide column (4), a middle end sliding fixed plate (5), a rotating threaded sleeve (7), a rotating limit ring (8), a threaded driving rod (9), a push rod (10), a fixed mounting sleeve (11), and a slide groove opening (12); the mounting base plate (1) is fixedly mounted with a gantry frame (2); the gantry frame (2) is provided with a rectangular slide groove (3); an inner end slide column (4) is arranged in the rectangular slide groove (3); a sliding mounting sleeve (11) is slidably mounted on the inner end slide column (4); A middle end sliding fixed plate (5) is provided, a rotation limiting ring (8) is fixedly installed on the portal frame (2), a rotation threaded sleeve (7) is rotationally installed on the rotation limiting ring (8), a threaded driving rod (9) is threadedly installed on the rotation threaded sleeve (7), a push rod (10) is fixedly installed on the threaded driving rod (9), the push rod (10) is slidably installed in a slide slot opening (12), the slide slot opening (12) is opened on a fixed installation sleeve (11), and the fixed installation sleeve (11) is fixedly installed on the portal frame (2).

2. A handheld current and voltage vector protection measuring instrument according to claim 1, characterized in that: A handle (15) is fixedly mounted on the door-shaped frame (2).

3. A handheld current and voltage vector protection measuring instrument according to claim 1, characterized in that: Two middle end sliding fixing plates (5) are provided.

4. A handheld current and voltage vector protection measuring instrument according to claim 1, characterized in that: A current and voltage measuring instrument (14) is arranged between the two middle end sliding fixing plates (5).

5. A handheld current and voltage vector protection measuring instrument according to claim 1, characterized in that: A knob (6) is fixedly mounted on the rotating threaded sleeve (7).

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