Handheld loop resistance tester

Abstract

The utility model relates to the technical field of loop resistance testers, and provides a handheld loop resistance tester, which comprises a tester assembly, the tester assembly comprises a tester body, a touch display screen, a plug interface, a cover body and a vent hole, one side of the tester body is provided with the touch display screen, and the other side of the tester body is provided with the plug interface. And a cover body is mounted on the other side of the tester body. According to the utility model, the dustproof structure is arranged, the two sides of the top of the dustproof cover are provided with the handle grooves, the dustproof cover is moved to the position above the plugging port through the handle grooves, one end of the clamping block abuts against one end of the clamping groove, the dustproof cover is pressed, and under the action of the reserved groove, the dustproof cover drives the clamping block to move into the clamping groove; according to the handheld loop resistance tester, the dustproof cover is arranged on the tester body, so that the dustproof cover and the tester body are mutually fixed, dust prevention and water prevention can be conveniently carried out on the plug-in interface, the dustproof function of the device on the plug-in interface is realized, and the applicability of the handheld loop resistance tester in use is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of loop resistance testers, in particular to a handheld loop resistance tester. Background Art

[0002] A resistance tester is an instrument for measuring the conductivity of an object. A handheld loop resistance tester is a high-precision instrument based on the bridge principle. It is widely used in the measurement of contact resistance, loop resistance, cable wires, and weld contact resistance of various switches and electrical appliances. It is a very practical measuring instrument with multiple functions and features. Therefore, a handheld loop resistance tester is used;

[0003] The existing handheld loop resistance tester has insufficient protective measures when in use, and it is inconvenient to prevent dust from entering the plug interface, making it inconvenient to prevent impurities from entering the tester, making it difficult to use. Utility Model Content

[0004] The utility model aims to provide a handheld loop resistance tester to solve the defect that the existing handheld loop resistance tester has insufficient protective measures.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a handheld loop resistance tester, comprising a tester assembly;

[0006] The tester assembly includes a tester body, a touch display screen, a plug interface, a cover body and ventilation holes. The touch display screen is arranged on one side of the tester body, the cover body is installed on the other side of the tester body, ventilation holes are evenly arranged on both sides of the cover body, and the plug interface is arranged on the top of the tester body;

[0007] A dustproof structure is provided on the outer side of the top of the plug interface, and the dustproof structure includes a dustproof cover, a clamping groove, a clamping block and a reserved groove. The dustproof cover is provided on the outer side of the top of the plug interface, and protective structures are provided on both sides of the tester body;

[0008] A fixing structure is arranged on the outer side of the touch display screen.

[0009] When using the device, by providing a dustproof structure, the device can realize the function of dustproofing the plug interface, thereby improving the applicability of the handheld loop resistance tester when in use; by providing a protective structure, the comfort of the handheld loop resistance tester when in use is improved; by providing a fixed structure, the device can realize the function of protecting the touch display screen, thereby improving the convenience of the handheld loop resistance tester when in use.

[0010] Preferably, the tester body and the cover body are fixed to each other by fixing bolts, and a dustproof net is arranged inside the ventilation hole.

[0011] Preferably, a clamping groove is provided at a corner position of the top end of the dust cover inside the tester body, a clamping block is provided inside the clamping groove, and a reserved groove is provided inside the clamping block.

[0012] Preferably, the clamping block and the tester body form a clamping structure through a clamping groove, and the top of the clamping block extends to the outside of the tester body and is fixedly connected to the bottom of the dust cover. Handle grooves are provided on both sides of the top of the dust cover, and the dust cover is moved to the top of the plug interface through the handle grooves so that one end of the clamping block contacts one end of the clamping groove.

[0013] Preferably, the clamping blocks are evenly spaced at the bottom of the dust cover, and handle grooves are provided on both sides of the top of the dust cover. When the dust cover is pressed, the dust cover drives the clamping blocks to move to the inside of the clamping groove under the action of the reserved groove, thereby fixing the dust cover and the tester body to each other, making it convenient to prevent dust and water from entering the plug interface.

[0014] Preferably, the protective structure includes a protective pad, a rubber sleeve and a handle, wherein the protective pad is fixed to both sides of the tester body, a handle is fixed to one side of the protective pad, and a rubber sleeve is fixed to the outside of the handle. The protective pad is a rubber pad, and under the action of the protective pad, the corners of the tester body are prevented from colliding.

[0015] Preferably, the protective pad is a rubber pad, and the handles are symmetrically distributed on both sides of the tester body. Under the action of the rubber sleeve, the contact area between the palm and the handle is increased, making it convenient for the staff to carry the tester body.

[0016] Preferably, the fixing structure includes a protective cover, a limiting groove, a limiting block and a connecting block. The protective cover is provided with a touch display screen on one side. Limiting grooves are provided at the corner positions of one side of the protective cover inside the tester body. Limiting blocks are provided inside the limiting grooves. A connecting block is fixed on one side of the limiting block.

[0017] Preferably, the limit block and the tester body form a locking structure through a limit groove, and the top view cross section of the limit groove is designed in a "T" shape. Grooves are provided at both ends of the protective cover, and the protective cover is moved to one side of the touch display screen through the grooves, so that one end of the limit block conflicts with one end of the limit groove.

[0018] Preferably, grooves are provided at both ends of the protective cover, and one end of the connecting block extends to the outside of the tester body and is fixedly connected to one side of the protective cover. When the protective cover is pushed, the protective cover drives the limit block to move to the inside of the limit groove through the connecting block, thereby fixing the protective cover and the tester body to each other. Under the action of the protective cover, the touch screen is conveniently protected when not in use.

[0019] The utility model provides a handheld loop resistance tester, which has the advantages of:

[0020] By providing a dustproof structure, handle grooves are provided on both sides of the top of the dustproof cover, and the dustproof cover is moved to the top of the plug interface through the handle grooves, so that one end of the clamping block is in conflict with one end of the clamping groove, and the dustproof cover is pressed. Under the action of the reserved groove, the dustproof cover drives the clamping block to move to the inside of the clamping groove, and then the dustproof cover and the tester body are fixed to each other, which is convenient for dustproofing and waterproofing the plug interface, and the function of the device to facilitate dustproofing of the plug interface is realized, thereby improving the applicability of the handheld loop resistance tester when in use;

[0021] By providing a protective structure, the protective pad is a rubber pad, under the action of the protective pad, the corners of the tester body are prevented from colliding, and under the action of the rubber cover, the contact area between the palm and the handle is increased, which is convenient for the staff to carry the tester body, thereby improving the comfort of the handheld loop resistance tester when in use;

[0022] By providing a fixed structure, grooves are provided at both ends of the interior of the protective cover, and the protective cover is moved to one side of the touch display screen through the groove, so that one end of the limit block is in conflict with one end of the limit groove, and the protective cover is pushed. The protective cover drives the limit block to move to the inside of the limit groove through the connecting block, so that the protective cover and the tester body are fixed to each other. Under the action of the protective cover, the touch display screen is conveniently protected when not in use, and the function of the device to protect the touch display screen is realized, thereby improving the convenience of the handheld loop resistance tester when in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0024] Figure 2 This is a schematic diagram of the main structure of the utility model;

[0025] Figure 3 For the utility model Figure 2 A is an enlarged schematic diagram of the cross-sectional structure;

[0026] Figure 4 It is a schematic diagram of the top view structure of the utility model;

[0027] Figure 5For the utility model Figure 4 The enlarged structural diagram at B in the middle;

[0028] Figure 6 It is a rear view structural schematic diagram of the utility model.

[0029] Explanation of the reference numerals in the figure: 1. Tester assembly; 101. Tester body; 102. Touch screen; 103. Plug port; 104. Cover; 105. Ventilation hole; 2. Dustproof structure; 201. Dustproof cover; 202. Snap-in slot; 203. Snap-in block; 204. Reserved slot; 3. Protective structure; 301. Protective pad; 302. Rubber sleeve; 303. Handle; 4. Fixed structure; 401. Protective cover; 402. Limiting slot; 403. Limiting block; 404. Connecting block. DETAILED DESCRIPTION

[0030] 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.

[0031] See also Figure 1-Figure 6 The utility model provides a handheld loop resistance tester, including a tester component 1, the tester component 1 includes a tester body 101, a touch display screen 102, a plug interface 103, a cover body 104 and a ventilation hole 105, one side of the tester body 101 is provided with a touch display screen 102, the other side of the tester body 101 is installed with a cover body 104, the inside of the cover body 104 is evenly provided with ventilation holes 105 on both sides, the top of the tester body 101 is provided with a plug interface 103, the outer side of the top of the plug interface 103 is provided with a dustproof structure 2, the dustproof structure 2 includes a dustproof cover 201, a clamping groove 202, a clamping block 203 and a reserved groove 204, the dustproof cover 201 is provided on the plug interface 10 3. On the outside of the top, a snap-in groove 202 is provided at the corner position of the top of the dust cover 201 inside the tester body 101, and a snap-in block 203 is provided inside the snap-in groove 202. A reserved groove 204 is provided inside the snap-in block 203. The snap-in block 203 and the tester body 101 form a snap-in structure through the snap-in groove 202. The top of the snap-in block 203 extends to the outside of the tester body 101 and is fixedly connected to the bottom of the dust cover 201. The snap-in blocks 203 are evenly spaced at the bottom of the dust cover 201. Handle grooves are provided on both sides of the top of the dust cover 201. The tester body 101 and the cover 104 are fixed to each other by fixing bolts, and a dustproof net is provided inside the ventilation hole 105.

[0032] Reference Figure 1-Figure 3 As shown, handle grooves are provided on both sides of the top of the dust cover 201. The dust cover 201 is moved to the top of the plug interface 103 through the handle grooves, so that one end of the clamping block 203 is in conflict with one end of the clamping groove 202. The dust cover 201 is pressed, and under the action of the reserved groove 204, the dust cover 201 drives the clamping block 203 to move to the inside of the clamping groove 202, thereby fixing the dust cover 201 and the tester body 101 to each other, which is convenient for dustproofing and waterproofing the plug interface 103.

[0033] A protective structure 3 is provided on both sides of the tester body 101. The protective structure 3 includes a protective pad 301, a rubber cover 302 and a handle 303. The protective pad 301 is fixed on both sides of the tester body 101. A handle 303 is fixed on one side of the protective pad 301. A rubber cover 302 is fixed on the outer side of the handle 303. The protective pad 301 is a rubber pad, and the handles 303 are symmetrically distributed on both sides of the tester body 101.

[0034] Reference Figure 1 and Figure 2 As shown, the protective pad 301 is a rubber pad. Under the action of the protective pad 301, the corners of the tester body 101 are prevented from colliding. Under the action of the rubber sleeve 302, the contact area between the palm and the handle 303 is increased, making it convenient for the staff to carry the tester body 101.

[0035] A fixed structure 4 is arranged on the outside of the touch display screen 102, and the fixed structure 4 includes a protective cover 401, a limiting groove 402, a limiting block 403 and a connecting block 404. The protective cover 401 is arranged on one side of the touch display screen 102, and limiting grooves 402 are arranged at the corner positions of one side of the protective cover 401 inside the tester body 101, and limiting blocks 403 are arranged inside the limiting grooves 402. A connecting block 404 is fixed on one side of the limiting block 403. The limiting block 403 and the tester body 101 form a locking structure through the limiting grooves 402. The top cross-section of the limiting grooves 402 is in a "T" shape. Grooves are arranged at both ends of the protective cover 401, and one end of the connecting block 404 extends to the outside of the tester body 101 and is fixedly connected to one side of the protective cover 401.

[0036] Reference Figure 1 and Figure 4-Figure 5 As shown, grooves are provided at both ends of the interior of the protective cover 401. The protective cover 401 is moved to one side of the touch display screen 102 through the grooves, so that one end of the limit block 403 is in conflict with one end of the limit groove 402, and the protective cover 401 is pushed. The protective cover 401 drives the limit block 403 to move to the inside of the limit groove 402 through the connecting block 404, thereby fixing the protective cover 401 and the tester body 101 to each other. Under the action of the protective cover 401, the touch display screen 102 is conveniently protected when not in use.

[0037] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A handheld loop resistance tester, comprising a tester assembly (1); Features: The tester assembly (1) comprises a tester body (101), a touch display screen (102), a plug interface (103), a cover (104) and a ventilation hole (105); the touch display screen (102) is arranged on one side of the tester body (101); the cover (104) is installed on the other side of the tester body (101); ventilation holes (105) are evenly arranged on both sides of the cover (104); and the plug interface (103) is arranged on the top of the tester body (101); A dustproof structure (2) is arranged on the outer side of the top of the plug interface (103), the dustproof structure (2) comprising a dustproof cover (201), a clamping groove (202), a clamping block (203) and a reserved groove (204), the dustproof cover (201) is arranged on the outer side of the top of the plug interface (103), and protective structures (3) are arranged on both sides of the tester body (101); A fixing structure (4) is arranged on the outer side of the touch display screen (102).

2. A handheld loop resistance tester according to claim 1, characterized in that: The tester body (101) and the cover body (104) are fixed to each other by fixing bolts, and a dustproof net is arranged inside the ventilation hole (105).

3. A handheld loop resistance tester according to claim 1, characterized in that: A clamping groove (202) is provided at the corner position of the top of the dust cover (201) inside the tester body (101), a clamping block (203) is provided inside the clamping groove (202), and a reserved groove (204) is provided inside the clamping block (203).

4. A handheld loop resistance tester according to claim 3, characterized in that: The clamping block (203) and the tester body (101) form a clamping structure via a clamping groove (202); the top end of the clamping block (203) extends to the outside of the tester body (101) and is fixedly connected to the bottom end of the dust cover (201).

5. A handheld loop resistance tester according to claim 3, characterized in that: The clamping blocks (203) are distributed at equal intervals at the bottom end of the dust cover (201), and handle grooves are provided on both sides of the top of the dust cover (201).

6. A handheld loop resistance tester according to claim 1, characterized in that: The protective structure (3) comprises a protective pad (301), a rubber sleeve (302) and a handle (303); the protective pad (301) is fixed to both sides of the tester body (101); a handle (303) is fixed to one side of the protective pad (301); and a rubber sleeve (302) is fixed to the outer side of the handle (303).

7. A handheld loop resistance tester according to claim 6, characterized in that: The protective pad (301) is a rubber pad, and the handles (303) are symmetrically distributed on both sides of the tester body (101).

8. A handheld loop resistance tester according to claim 1, characterized in that: The fixing structure (4) comprises a protective cover (401), a limiting groove (402), a limiting block (403) and a connecting block (404); the protective cover (401) is provided with a touch screen display (102) on one side; limiting grooves (402) are provided at the corner positions of one side of the protective cover (401) inside the tester body (101); limiting blocks (403) are provided inside the limiting grooves (402); and a connecting block (404) is fixed on one side of the limiting blocks (403).

9. A handheld loop resistance tester according to claim 8, characterized in that: The limiting block (403) and the tester body (101) form a locking structure via a limiting groove (402), and the top view cross section of the limiting groove (402) is designed in a "T" shape.

10. A handheld loop resistance tester according to claim 8, characterized in that: Grooves are provided at both ends of the interior of the protective cover (401), and one end of the connecting block (404) extends to the outside of the tester body (101) and is fixedly connected to one side of the protective cover (401).

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