CN214150934U

CN214150934U - Voltage withstand tester of protection against electric shock

Info

Publication number: CN214150934U
Application number: CN202023183690.9U
Authority: CN
Inventors: 高乃星
Original assignee: Sichuan Shehong Xingsheng Electronics Co ltd
Current assignee: Sichuan Shehong Xingsheng Electronics Co ltd
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2021-09-07
Anticipated expiration: 2030-12-25

Abstract

The utility model relates to a withstand voltage tester technical field discloses a withstand voltage tester of protection against electric shock, which comprises a base plate, base plate upper portion fixed mounting has the grillage of falling the spill, is located the vertical downward fixed mounting cylinder of the grillage upper portion intermediate position of falling the spill, the fixed inner ring that runs through at the bearing of the lower tip of piston rod of cylinder is located the fixed embedding of outer loop of bearing is at the diaphragm middle part, is located two other vertical downward fixed mounting in diaphragm bottom left and right sides has laser positioning lamp and contact. The utility model discloses cylinder work is through the piston rod drive diaphragm decline, and the contact head of diaphragm bottom descends, and bellows shrink this moment, insulating rubber tube laminating reach the effect of protection insulation and protection against electric shock on the test piece, and is comparatively practical, is fit for extensively promoting and using.

Description

Voltage withstand tester of protection against electric shock

Technical Field

The utility model relates to a withstand voltage tester technical field specifically is a withstand voltage tester of protection against electric shock.

Background

The withstand voltage tester can be called as an electrical insulation strength tester, a dielectric strength tester and the like according to the function of the withstand voltage tester, and the working principle of the withstand voltage tester is as follows: a voltage higher than the normal working voltage is applied to the insulator of the tested device for a specified time, and the voltage applied to the insulator only generates small leakage current, so that the insulation is good.

The utility model discloses a withstand voltage tester through retrieval publication No. CN 210166460U, relates to withstand voltage tester technical field, including the fixing base, the upper surface fixed connection of fixing base has two symmetrical backup pads, two install accredited testing organization between the backup pad, accredited testing organization includes fixed storehouse, positive and negative motor, spiro, threaded rod, siphunculus, test probe, fixed plate, baffle, push rod, spout. Although this withstand voltage tester, through positive and negative motor, the movable rod, the threaded rod, the spiro, the setting of push rod and fixed plate, the rotating electrical machines work, it rotates to drive the threaded rod, the spiro that makes the threaded rod surface set up drives two movable rods and moves down, the movable rod promotes the push rod and moves down, the push rod promotes the fixed plate and moves down, make the test probe of fixed plate bottom surface installation move down, with the power equipment contact, realize the test to power equipment, make its whole withstand voltage test that can realize the electrical apparatus automatically, avoid manual operation, avoid the staff to electrocute.

However, the inventor finds that the technical scheme still has at least the following defects:

the contact that sets up among this technical scheme exposes the potential safety hazard that has operating personnel to electrocute always externally to can't guarantee that the contact can pinpoint the butt joint on the test piece.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a withstand voltage tester of protection against electric shock has solved the problem that proposes in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: an anti-electric shock withstand voltage tester comprises a substrate, wherein an inverted concave plate frame is fixedly mounted at the upper part of the substrate, a cylinder is vertically and downwards fixedly mounted at the middle position of the upper part of the inverted concave plate frame, the lower end part of a piston rod of the cylinder is fixedly penetrated through an inner ring of a bearing, an outer ring of the bearing is fixedly embedded in the middle of a transverse plate, and a laser positioning lamp and a contact head are respectively vertically and downwards fixedly mounted at the left part and the right part of the bottom of the transverse plate; the tester is characterized in that a tester shell is fixedly mounted on the right side of the upper portion of the transverse plate, a corrugated pipe is fixedly connected to the right side of the bottom of the transverse plate in a downward vertical mode, the corrugated pipe is movably sleeved on the contact head, an insulating rubber pipe is fixedly connected to the lower end of the corrugated pipe, and the length of the laser positioning lamp is three times that of the contact head.

As an preferable embodiment of the present invention, the support plate is fixedly connected to the lower side of the middle part of the inner side of the inverted concave plate frame.

As an embodiment of the present invention, the piston rod left side wall fixedly connected with xarm below the diaphragm is located, and the vertical upwards screw thread screw in the middle of the xarm runs through there is a limit bolt.

As a preferred embodiment of the present invention, the laser equipotential lamps and the contact heads are symmetrically distributed about the bearing.

As a preferred embodiment of the utility model, the vertical upwards fixed mounting of insulating rubber tube right side wall intermediate position has the locating lever, and the activity of locating lever upper end is pegged graft in the diaphragm right part.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses operating personnel places the test cable on the layer board, then opens the laser positioning lamp and aligns and shine on the cable device, confirms to align the position back of contact point, rotatory diaphragm is in the rotatory 180 backs of bearing to rotatory spacing bolt carries out the centre gripping to the diaphragm and fixes, and the contact head vertical alignment this moment is on the contact point of test piece.

2. The utility model discloses cylinder work is through the piston rod drive diaphragm decline, and the contact head of diaphragm bottom descends, bellows shrink this moment, and the laminating of insulating rubber tube reaches the effect of protection insulation and protection against electric shock on the test piece.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a front view of the voltage withstand tester of the present invention;

fig. 2 is a schematic diagram of the distribution position structure of the contact head of the electric shock-proof voltage tester in the bellows.

In the figure: 1. a substrate; 2. an inverted concave plate frame; 3. a bearing; 4. a cylinder; 5. a transverse plate; 6. a laser positioning lamp; 7. a cross arm; 8. a limit bolt; 9. a tester housing; 10. a support plate; 11. a piston rod; 12. a bellows; 13. an insulating rubber tube; 14. a contact head; 15. and (5) positioning the rod.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected" and "disposed" are to be interpreted broadly, and may be, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed; the utility model discloses in provide only supply the reference with the model of electrical apparatus. For those skilled in the art, different types of electrical appliances with the same function can be replaced according to actual use conditions, and for those skilled in the art, the specific meaning of the above terms in the present invention can be understood in specific situations.

Referring to fig. 1-2, the present invention provides a technical solution: an anti-electric shock withstand voltage tester comprises a substrate 1, wherein an inverted concave plate frame 2 is fixedly installed on the upper portion of the substrate 1, a cylinder 4 is vertically and downwards fixedly installed at the middle position of the upper portion of the inverted concave plate frame 2, the lower end portion of a piston rod 11 of the cylinder 4 is fixedly penetrated through an inner ring of a bearing 3, an outer ring of the bearing 3 is fixedly embedded in the middle of a transverse plate 5, and a laser positioning lamp 6 and a contact head 14 are respectively vertically and downwards fixedly installed at the left portion and the right portion of the bottom of the transverse plate 5; the tester shell 9 is fixedly installed on the right side of the upper portion of the transverse plate 5, the corrugated pipe 12 is vertically and downwards fixedly connected to the right side of the bottom of the transverse plate 5, the corrugated pipe 12 is movably sleeved on the contact head 14, the insulating rubber pipe 13 is fixedly connected to the lower end portion of the corrugated pipe 12, and the length of the laser positioning lamp 6 is three times that of the contact head 14.

In this embodiment, an operator places a test cable on the supporting plate 10, then turns on the laser positioning lamp 6 to irradiate on a cable device in an aligned manner, after the position of a contact point is determined, the transverse plate 5 is rotated 180 degrees by the bearing 3, the transverse plate 5 is clamped and fixed by the rotation limiting bolt 8, and the contact 14 at this time is vertically aligned on the contact point of the test piece.

In this embodiment, the work of cylinder 4 drives diaphragm 5 through piston rod 11 and descends, and the contact 14 of diaphragm 5 bottom descends, bellows 12 shrink this moment, and insulating rubber tube 13 laminates on the test piece, reaches the effect of protection insulation and protection against electric shock.

In a specific embodiment, a supporting plate 10 is transversely and fixedly connected to the lower middle part of the inner side of the inverted concave plate frame 2, a transverse arm 7 is fixedly connected to the left side wall of a piston rod 11 below the transverse plate 5, a limiting bolt 8 penetrates through the middle part of the transverse arm 7 in a vertically upward threaded manner, and the stability of the transverse plate 5 can be guaranteed by the limiting bolt 8.

Further, laser equipotential lamp 6 and contact 14 are about 3 symmetric distributions of bearing, and the vertical upwards fixed mounting of insulating rubber tube 13 right side wall intermediate position has locating lever 15, and the activity of locating lever 15 upper end is pegged graft in diaphragm 5 right part, and locating lever 15 can guarantee at the stable decline of insulating rubber tube 13.

It should be noted that, the utility model relates to a withstand voltage tester of protection against electric shock, each is the parts that general standard component or technical staff in the field know, and its structure and principle all are that this technical staff all can learn through the technical manual or learn through conventional experimental method.

The working principle is as follows: an operator places a test cable on the supporting plate 10, then opens the laser positioning lamp 6 to be aligned and irradiated on a cable device, after the position of a contact point is determined to be aligned, the transverse plate 5 rotates 180 degrees at the bearing 3, the transverse plate 5 is clamped and fixed by the rotary limiting bolt 8, the contact head 14 at the moment is vertically aligned on the contact point of the test piece, the transverse plate 5 is driven to descend by the piston rod 11 when the cylinder 4 works, the contact head 14 at the bottom of the transverse plate 5 descends, the corrugated pipe 12 at the moment contracts, the insulating rubber pipe 13 is attached to the test piece, and the effects of insulation protection and electric shock prevention are achieved.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a withstand voltage tester of protection against electric shock which characterized in that: the device comprises a substrate (1), wherein an inverted concave plate frame (2) is fixedly mounted on the upper portion of the substrate (1), a cylinder (4) is vertically and downwardly fixedly mounted at the middle position of the upper portion of the inverted concave plate frame (2), the lower end portion of a piston rod (11) of the cylinder (4) is fixedly penetrated through an inner ring of a bearing (3), an outer ring of the bearing (3) is fixedly embedded in the middle of a transverse plate (5), and a laser positioning lamp (6) and a contact head (14) are respectively vertically and downwardly fixedly mounted on the left portion and the right portion of the bottom of the transverse plate (5); diaphragm (5) upper portion right side fixed mounting has tester casing (9), is located the vertical downward fixedly connected with bellows (12) in diaphragm (5) bottom right side, bellows (12) movable sleeve are on contact head (14), are located tip fixedly connected with insulating rubber tube (13) under bellows (12), and the length of contact head (14) is three times laser positioning lamp (6) length.

2. The anti-electric shock withstand voltage tester according to claim 1, characterized in that: the middle part of the inner side of the inverted concave plate frame (2) is horizontally and fixedly connected with a supporting plate (10) below.

3. The anti-electric shock withstand voltage tester according to claim 1, characterized in that: a cross arm (7) is fixedly connected to the left side wall of the piston rod (11) below the transverse plate (5), and a limiting bolt (8) penetrates through the middle of the cross arm (7) in a vertically upward threaded manner.

4. The anti-electric shock withstand voltage tester according to claim 1, characterized in that: the laser positioning lamps (6) and the contact heads (14) are symmetrically distributed around the bearing (3).

5. The anti-electric shock withstand voltage tester according to claim 1, characterized in that: a positioning rod (15) is vertically and upwards fixedly mounted in the middle of the right side wall of the insulating rubber tube (13), and the upper end part of the positioning rod (15) is movably inserted into the right part of the transverse plate (5).