CN218068145U - Hand-held DC resistance tester - Google Patents

Abstract

The utility model discloses a hand-held type direct current resistance tester, including casing, screen and test head, the both sides of casing all are provided with buffer structure, and the inside of casing is fixed with the screen, and one side of screen is fixed with handles the board, and the one side of handling the board is provided with fixed knot and constructs, and the bottom mounting of handling the board has the battery, and the top of handling the board is fixed with the test head, and the outside of test head is provided with protective structure, and one side of hinged block articulates there is the protecting crust, and the inside of protecting crust is fixed with anti-skidding circle. The utility model discloses a be provided with protective structure and can protect the outside of test head, test head can expose outside after using, overturns the protecting crust this moment, and the articulated piece can support the upset of protecting crust, and the protecting crust can overlap in the outside of test head after that, and the inside antiskid circle of protecting crust can be filled in to between protecting crust and the test head, can make the test head protect by the protecting crust, has realized protecting the outside of test head.

Description

Hand-held DC resistance tester

Technical Field

The utility model relates to a tester technical field, in particular to hand-held type direct current resistance tester.

Background

The resistance tester is an instrument for measuring the conductivity of an object, is widely applied to occasions such as electrical safety inspection and grounding engineering completion inspection, can be more convenient to carry, and is taken out to test the resistance when being carried to a position needing to be used.

The hand-held type direct current resistance tester is exposed externally after using the test head, is touched by outside object easily, causes the instrument to damage.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model aims at providing a hand-held type direct current resistance tester for solve current hand-held type direct current resistance tester and expose externally at the back test head that uses, touched by outside object easily, caused the defect of instrument damage.

(II) contents of the utility model

In order to solve the technical problem, the utility model provides a following technical scheme: hand-held type direct current resistance tester, including casing, screen and test head, the both sides of casing all are provided with buffer structure, the inside of casing is fixed with the screen, one side of screen is fixed with handles the board, and handles one side of board and be provided with fixed knot and construct, the bottom mounting who handles the board has the battery, the top of handling the board is fixed with the test head, the outside of test head is provided with protective structure, protective structure includes protecting crust, articulated piece and antislip ring, articulated piece is fixed in the top of casing, one side of articulated piece articulates there is the protecting crust, and the inside of protecting crust is fixed with the antislip ring.

Preferably, the antiskid circle is provided with two, the internal diameter of antiskid circle is less than the external diameter of test head, and the inside antiskid circle of protective housing can be filled in between protective housing and the test head, can make the test head protect by the protective housing.

Preferably, the number of the hinge blocks is two, and the protective shell forms an overturning structure on one side of the hinge block.

Preferably, buffer structure includes draw-in groove, fixture block, cushion collar and buffering cotton, the draw-in groove sets up in the inside of casing, the bottom of casing is established in to the cushion collar, the top of cushion collar is fixed with the fixture block, the inside of cushion collar is provided with the buffering cotton.

Preferably, the clamping groove is provided with a plurality of clamping structures, a clamping structure is formed between the clamping groove and the clamping block, and the buffer cotton in the buffer sleeve can buffer the buffer sleeve.

Preferably, fixed knot constructs including set casing, fixed block, pushes away pearl and spring, the set casing is fixed in the inside one side of casing, the fixed block is fixed in one side of handling the board, the inside of fixed block is fixed with the spring, and the bottom mounting of spring has the pearl of pushing away.

Preferably, push away the pearl and be provided with two sets ofly, push away the pearl and constitute extending structure through the spring in the inside of fixed block, the elasticity of spring promotes and pushes away the pearl and block with the set casing, can make and fix between fixed block and the set casing.

(III) advantageous effects

The utility model provides a hand-held type direct current resistance tester, its advantage lies in: the protection structure is arranged to protect the outside of the test head, the test head is exposed to the outside after use, the protective shell is turned over at the moment, the hinge block can support the turning of the protective shell, then the protective shell can be sleeved outside the test head, the anti-skid ring in the protective shell can be used for filling the space between the protective shell and the test head, the test head can be protected by the protective shell, and the protection of the outside of the test head is realized;

the shell can be protected by the buffer structure, when the shell is used, the shell can fall on the ground carelessly, the buffer sleeve is in contact with the ground to protect the corners of the shell, the buffer cotton in the buffer sleeve can buffer the buffer sleeve, the shell can be buffered, and the shell can be protected;

can be convenient for carry out the dismouting to handling the board through being provided with fixed knot and construct, probably need carry out the dismouting to handling the board after using, will handle the board and to one side pulling, handle the board this moment and move the fixed block and take out from the inside of set casing, can maintain handling the board after that, insert the fixed block to the inside of set casing after maintaining, the elasticity of spring promotes to push away pearl and set casing block this moment, can make and fix between fixed block and the set casing, has realized being convenient for carry out the dismouting to handling the board.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or 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 three-dimensional structure of the present invention;

fig. 2 is a schematic side view of the cross-sectional structure of the present invention;

fig. 3 is a schematic side view of the cross-sectional structure at a in fig. 2 according to the present invention;

FIG. 4 is a side view of the buffer structure of the present invention;

fig. 5 is a schematic view of a side view partial section structure of the protective structure of the present invention.

The reference numbers in the figures illustrate:

1. a housing; 2. a screen; 3. a buffer structure; 301. a card slot; 302. a clamping block; 303. a buffer sleeve; 304. buffering cotton; 4. a protective structure; 401. a protective shell; 402. a hinged block; 403. an anti-slip ring; 5. a test head; 6. processing the plate; 7. a fixed structure; 701. a stationary housing; 702. a fixed block; 703. pushing the beads; 704. a spring; 8. a battery.

Detailed Description

To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are part of the embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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.

Referring to fig. 1-5, the present invention provides an embodiment: hand-held type direct current resistance tester, which comprises a housing 1, screen 2 and test head 5, the both sides of casing 1 all are provided with buffer structure 3, the inside of casing 1 is fixed with screen 2, one side of screen 2 is fixed with handles board 6, and one side of handling board 6 is provided with fixed knot and constructs 7, the bottom mounting who handles board 6 has battery 8, the top of handling board 6 is fixed with test head 5, the outside of test head 5 is provided with protective structure 4, connect the positive pole and the negative pole of test respectively with test head 5 when using, test head 5 can measure the resistance and transmit for handling board 6 this moment, show through screen 2 behind the data that handles board 6 surveyed, screen 2 also can control handling board 6.

The first embodiment is as follows:

as shown in fig. 1, 2 and 5, when the structure is used, firstly, the protection structure 4 includes a protection shell 401, a hinge block 402 and an anti-slip ring 403, the hinge block 402 is fixed on the top end of the casing 1, one side of the hinge block 402 is hinged with the protection shell 401, the anti-slip ring 403 is fixed inside the protection shell 401, the anti-slip ring 403 is provided with two anti-slip rings, the inner diameter of the anti-slip ring 403 is smaller than the outer diameter of the test head 5, the hinge block 402 is provided with two hinge blocks 402, the protection shell 401 forms a turning structure on one side of the hinge block 402 to turn over the protection shell 401, the hinge block 402 can support the turning of the protection shell 401, the protection shell 401 can be sleeved outside the test head 5, the anti-slip ring 403 inside the protection shell 401 can be filled between the protection shell 401 and the test head 5, and the test head 5 can be protected by the protection shell 401.

Example two:

as shown in fig. 1, fig. 2 and fig. 4, when the structure is used, firstly, the buffer structure 3 includes a card slot 301, a card block 302, a buffer sleeve 303 and buffer cotton 304, the card slot 301 is disposed inside the casing 1, the buffer sleeve 303 is disposed at the bottom end of the casing 1, the card block 302 is fixed at the top end of the buffer sleeve 303, the buffer cotton 304 is disposed inside the buffer sleeve 303, the card slot 301 is provided with a plurality of card slots, a clamping structure is formed between the card slot 301 and the card block 302, the buffer sleeve 303 can protect the corners of the casing 1 by contacting with the ground, the buffer cotton 304 inside the buffer sleeve 303 can buffer the buffer sleeve 303, and the buffer effect can be played on the casing 1.

Example three:

as shown in fig. 2 and 3, when using this structure, first, the fixing structure 7 includes a fixing housing 701, a fixing block 702, a pushing bead 703 and a spring 704, the fixing housing 701 is fixed to one side inside the housing case 1, the fixing block 702 is fixed to one side of the processing board 6, the spring 704 is fixed inside the fixing block 702, the pushing bead 703 is fixed to the bottom end of the spring 704, two sets of the pushing beads 703 are provided, the pushing beads 703 form a telescopic structure inside the fixing block 702 through the spring 704, the processing board 6 is pulled to one side, the processing board 6 drives the fixing block 702 to be drawn out from the inside of the fixing housing 701, then the processing board 6 can be maintained, the fixing block 702 is inserted into the fixing housing 701 after maintenance, the pushing bead 703 is engaged with the fixing housing 701 by the elastic force of the spring 704, and the fixing between the fixing block 702 and the fixing housing 701 can be performed.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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.

The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.

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 technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (7)

1. Hand-held type direct current resistance tester, including casing (1), screen (2) and test head (5), its characterized in that: the screen is characterized in that buffer structures (3) are arranged on two sides of the machine shell (1), and a screen (2) is fixed inside the machine shell (1);

a processing plate (6) is fixed on one side of the screen (2), a fixing structure (7) is arranged on one side of the processing plate (6), a battery (8) is fixed at the bottom end of the processing plate (6), and a testing head (5) is fixed at the top end of the processing plate (6);

the outside of test head (5) is provided with protective structure (4), protective structure (4) include protecting crust (401), articulated piece (402) and antiskid ring (403), articulated piece (402) are fixed in the top of casing (1), one side of articulated piece (402) articulates there is protecting crust (401), and the inside of protecting crust (401) is fixed with antiskid ring (403).

2. The hand-held dc resistance tester of claim 1, wherein: the anti-skidding ring (403) is provided with two, and the inner diameter of the anti-skidding ring (403) is smaller than the outer diameter of the testing head (5).

3. The hand-held dc resistance tester of claim 1, wherein: the hinged block (402) is provided with two hinged blocks, and the protective shell (401) forms a turnover structure on one side of the hinged block (402).

4. The hand-held dc resistance tester of claim 1, wherein: buffer structure (3) include draw-in groove (301), fixture block (302), cushion collar (303) and buffering cotton (304), draw-in groove (301) set up in the inside of casing (1), cushion collar (303) set up in the bottom of casing (1), the top of cushion collar (303) is fixed with fixture block (302), the inside of cushion collar (303) is provided with buffering cotton (304).

5. The hand-held direct current resistance tester of claim 4, wherein: the clamping grooves (301) are provided with a plurality of clamping structures, and clamping structures are formed between the clamping grooves (301) and the clamping blocks (302).

6. The hand-held dc resistance tester as recited in claim 1, wherein: fixed knot constructs (7) including set casing (701), fixed block (702), pushes away pearl (703) and spring (704), set casing (701) are fixed in the inside one side of casing (1), fixed block (702) are fixed in the one side of handling board (6), the inside of fixed block (702) is fixed with spring (704), and the bottom mounting of spring (704) has and pushes away pearl (703).

7. The hand-held dc resistance tester as recited in claim 6, wherein: the push balls (703) are arranged in two groups, and the push balls (703) form a telescopic structure in the fixed block (702) through springs (704).

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