An electrical contact pressure gauge testing device

Abstract

The utility model discloses a kind of electric contact pressure gauge verification devices belonging to electric contact pressure gauge verification technical field, including verification box, the inside top end side of verification box is fixedly embedded with display screen, the inside top end side of verification box is equipped with plug-in cylinder, plug-in cylinder is externally around be equipped with sliding slot, the middle part of sliding slot is equipped with through slot, the bottom of plug-in cylinder is equipped with bottom plate, the bottom of bottom plate is provided with reset spring, the top of bottom plate is around all equipped with stand, the top end side of stand close to plug-in cylinder is provided with telescopic telescopic block, by being set to the side close to box cover of plug-in cylinder, to avoid the situation of sight obstruction occurs after electric contact pressure gauge is inserted, by the sliding slot of through slot in the outside of plug-in cylinder is driven, again cooperation bottom plate, reset spring, block, stand, clamping spring and telescopic block, to realize the fixed structure of electric contact pressure gauge after being inserted plug-in cylinder, telescopic block directly clamps it, to reach the purpose of fixation, greatly improve the convenience of operation.

Description

Technical Field

[0001] This utility model belongs to the field of electric contact pressure gauge calibration technology, and specifically relates to an electric contact pressure gauge calibration device. Background Technology

[0002] Modern electric contact pressure gauges can detect the pressure of various gases and substances. To ensure the accuracy of the electric contact pressure gauge, it is necessary to perform calibration after a period of use. Calibration is used to adjust the electric contact pressure gauge and ensure that the device can be used normally. However, traditional electric contact pressure gauge calibration devices have shortcomings and need to be improved.

[0003] According to patent number CN202220172626.0, an auxiliary device for calibrating an electrical contact pressure gauge includes a calibration box and a control panel. A mounting plate is embedded in the top of the calibration box, and a control panel is mounted on the top of the mounting plate. A fixing frame is mounted on the top left side of the calibration box. A mounting plate is mounted on the top of the mounting plate, and a threaded fastener is mounted on the top of the mounting plate. A contactor is mounted on the back of the top of the mounting plate.

[0004] The above solution still has some drawbacks in actual use. Because the threaded retainer is located in front of the display screen, it will obstruct the user's view after the electric contact pressure gauge is inserted, which is not conducive to the user's view through the display screen. Moreover, the threaded retainer needs to be fixed by turning the fastening knob, which makes it difficult to quickly disassemble and assemble during use and reduces the calibration speed. Therefore, we propose an electric contact pressure gauge calibration device. Utility Model Content

[0005] The purpose of this invention is to provide a calibration device for an electric contact pressure gauge to solve the existing problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: an electrical contact pressure gauge calibration device, comprising a calibration box, a cylinder, a through groove, and a telescopic block. A display screen is fixedly embedded on one side of the top interior of the calibration box. A box cover is movably connected to one side of the top interior of the calibration box via a hinge. A cylinder is fixedly installed on the side of the top interior of the calibration box near the box cover. A sliding groove is formed around the outer perimeter of the cylinder, and a through groove is formed in the middle of the sliding groove. The depth of the sliding groove from both ends to the through groove gradually increases. A base plate is provided at the bottom of the cylinder. The base plate is placed inside the calibration box and slidably connected to it. A return spring is provided at the bottom of the base plate. Columns are fixedly installed around the top perimeter of the base plate. A telescopic block is provided at the top of each column near the cylinder. The telescopic block is placed inside the sliding groove and slidably connected to its inner wall. The end of the telescopic block has an arc-shaped structure.

[0007] Preferably, a contraction groove is provided on the top of the column near the insertion cylinder. One end of the telescopic block is placed inside the contraction groove and slidably connected to its inner wall. A snap-fit ​​spring is provided inside the contraction groove. The two ends of the snap-fit ​​spring are fixedly connected to the inner walls of the telescopic block and the contraction groove, respectively. Both the snap-fit ​​spring and the return spring are lightweight springs, and the elastic force of the snap-fit ​​spring is less than that of the return spring.

[0008] Preferably, a support block is fixedly installed at the top center of the base plate, and the top of the support block extends into the interior of the insert and is slidably connected to its inner wall.

[0009] Preferably, the inner walls on both sides of the shrinkage groove are provided with limiting grooves, and the two sides of the telescopic block that extends into the shrinkage groove are fixedly installed with limiting blocks, which extend into the limiting groove and are slidably connected to its inner wall.

[0010] Preferably, the inside of the calibration box is equipped with an operation panel on one side of the display screen, and a connector is fixedly installed on the other side of the inside of the calibration box.

[0011] Preferably, the outer side of the calibration box away from the box cover has two fixed buckles at both ends, and the box cover has two locking plates at both ends on the side corresponding to the buckles. The calibration box is fixedly connected to the box cover by the buckles and locking plates.

[0012] Preferably, a handle is provided in the middle of the side of the external side of the calibration box where the buckle is located, and the handle is fixedly installed on the external side of the calibration box by mounting screws.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] 1. By placing the insert cylinder on the side near the box cover, the view of the electric contact pressure gauge is not obstructed after insertion. A sliding groove with a drive channel is opened on the outside of the insert cylinder. Together with the base plate, return spring, support block, column, snap-fit ​​spring and telescopic block, the electric contact pressure gauge is fixed. After the insert cylinder is inserted, the telescopic block directly clamps it, thereby achieving the purpose of fixing it and greatly improving the convenience of operation.

[0015] 2. By gradually deepening the chute from its end to the through groove, when the electric contact pressure gauge is removed, the return spring pushes the base plate and column upwards, causing the telescopic block to be squeezed out of the through groove. As the middle of the chute moves upwards, the telescopic block retracts into the contraction groove, preventing it from jamming with the top of the through groove and thus avoiding the telescopic block from continuously clamping the electric contact pressure gauge, making it difficult to remove. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the insert structure of this utility model;

[0018] Figure 3 This is a schematic diagram of the multi-angle structure of the insert of this utility model;

[0019] Figure 4 This is a schematic diagram of the support block structure of this utility model;

[0020] Figure 5 This is a schematic diagram of the internal structure of the shrinkage groove of this utility model.

[0021] In the diagram: 1. Calibration box; 2. Buckle; 3. Box cover; 4. Clamping plate; 5. Handle; 6. Display screen; 7. Control panel; 8. Electrical connector; 9. Insert; 10. Slide groove; 11. Through groove; 12. Support block; 13. Base plate; 14. Return spring; 15. Column; 16. Shrink groove; 17. Clamping spring; 18. Limit groove; 19. Telescopic block; 20. Limit block. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figure 1-5This utility model provides a technical solution for a calibration device for an electrical contact pressure gauge: it includes a calibration box 1, a tube 9, a through groove 11, and a telescopic block 19. A display screen 6 is fixedly embedded on one side of the top of the calibration box 1. A box cover 3 is movably connected to one side of the top of the calibration box 1 via a hinge. A tube 9 is fixedly installed on the side of the top of the calibration box 1 near the box cover 3. A sliding groove 10 is formed around the outside of the tube 9. A through groove 11 is formed in the middle of the sliding groove 10. The depth of the sliding groove 10 from the two ends to the through groove 11 increases from shallow to deep. A base plate 13 is provided at the bottom of the tube 9. The base plate 13 is placed inside the box of the calibration box 1 and is slidably connected to it. A return spring 14 is provided at the bottom of the base plate 13. A column 15 is fixedly installed around the top of the base plate 13. A telescopic block 19 is provided on the side of the top of the column 15 near the tube 9. The telescopic block 19 is placed inside the sliding groove 10 and is slidably connected to its inner wall. The end of the telescopic block 19 has an arc-shaped structure.

[0024] Specifically, a contraction groove 16 is provided on the top of the column 15 near the insert 9. One end of the telescopic block 19 is placed inside the contraction groove 16 and slidably connected to its inner wall. A snap-fit ​​spring 17 is provided inside the contraction groove 16. The two ends of the snap-fit ​​spring 17 are fixedly connected to the inner walls of the telescopic block 19 and the contraction groove 16, respectively. Both the snap-fit ​​spring 17 and the return spring 14 are light springs. The elastic force of the snap-fit ​​spring 17 is less than that of the return spring 14.

[0025] Specifically, a support block 12 is fixedly installed at the top center of the base plate 13, and the top of the support block 12 extends into the interior of the insert 9 and slides in connection with its inner wall.

[0026] Specifically, the inner walls of both sides of the shrinkage groove 16 are provided with limiting grooves 18, and the telescopic block 19 extends into the inner wall of the shrinkage groove 16. Limiting blocks 20 are fixedly installed on both sides of one end, and the limiting blocks 20 extend into the inner wall of the limiting groove 18 and are slidably connected to it.

[0027] Specifically, the inside of the calibration box 1 is equipped with a display screen 6 and an operation panel 7 on one side, and a connector 8 is fixedly installed on the other side of the inside of the calibration box 1.

[0028] Specifically, buckles 2 are fixedly installed on both ends of the side of the test box 1 away from the box cover 3, and clamping plates 4 are provided on both ends of the side of the box cover 3 corresponding to the buckles 2. The test box 1 is fixedly connected to the box cover 3 through the buckles 2 and clamping plates 4.

[0029] Specifically, a handle 5 is provided in the middle of the side of the test box 1 with a buckle 2 on the outside. The handle 5 is fixedly installed on the outside of the test box 1 by mounting screws.

[0030] In this embodiment, under normal conditions, the return spring 14 lifts the base plate 13, so that the support block 12 is completely placed inside the insert 9, and the telescopic block 19 at the top of the column 15 is placed inside the top of the slide groove 10. During use, the fixing structure of the electric contact pressure gauge is inserted into the insert 9. Under its own weight, it applies pressure to the support block 12, thereby causing the base plate 13 to apply pressure to the return spring 14. Since the return spring 14 is a light spring, it contracts under pressure, causing the base plate 13 to move downwards with the support block 12, thus inserting the fixing structure of the electric contact pressure gauge deep into the insert 9. During the downward movement of the base plate 13, the column 15 moves downwards simultaneously, causing the telescopic block 19 to slide downwards inside the slide groove 10 until the telescopic block 19 moves to the middle of the slide groove 10. As the middle of the slide groove 10 gradually deepens, the spring engages... Under the action of spring 17, the telescopic block 19 is pushed outward until it is inserted into the through groove 11 and extends through the through groove 11 into the insert 9. Thus, the telescopic block 19 is pushed by the force of spring 17 to clamp the fixing structure of the electric contact pressure gauge inserted into the insert 9, thereby achieving the purpose of fixing. This design allows for easy operation by simply inserting the fixing structure of the electric contact pressure gauge into the insert 9 without much operation. After calibration, when it needs to be removed, the electric contact pressure gauge is pulled out directly. Under the action of spring 14, the base plate 13 is pushed up, causing the column 15 to rise. Due to the upward thrust and the depth structure of the inner wall of the slide groove 10, the telescopic block 19 will gradually retract into the shrinkage groove 16, thereby releasing the clamping state.

[0031] It should be noted that, in this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, the phrase "comprising an element defined as..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0032] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An electric contact pressure gauge testing device, comprising a testing box (1), a plug-in cylinder (9), a through slot (11) and an expansion block (19), characterized in that: A display screen (6) is fixedly embedded on one side of the top of the test box (1). A box cover (3) is movably connected to one side of the top of the test box (1) via a hinge. A tube (9) is fixedly installed on the side of the top of the test box (1) near the box cover (3). A sliding groove (10) is provided around the outside of the tube (9). A through groove (11) is provided in the middle of the sliding groove (10). The depth of the sliding groove (10) from the two ends to the through groove (11) increases from shallow to deep. The bottom of the tube (9) The part is provided with a base plate (13), which is placed inside the box of the calibration box (1) and slidably connected to it. A return spring (14) is provided at the bottom of the base plate (13). Columns (15) are fixedly installed around the top of the base plate (13). A telescopic block (19) is provided on the side of the top of the column (15) near the insert (9). The telescopic block (19) is placed inside the slide groove (10) and slidably connected to its inner wall. The end of the telescopic block (19) is an arc-shaped structure.

2. An electrical contact pressure gauge testing device according to claim 1, characterized in that: A contraction groove (16) is provided on the top of the column (15) near the side of the insert (9). One end of the telescopic block (19) is placed inside the contraction groove (16) and slidably connected to its inner wall. A snap-fit ​​spring (17) is provided inside the contraction groove (16). The two ends of the snap-fit ​​spring (17) are fixedly connected to the inner walls of the telescopic block (19) and the contraction groove (16), respectively. Both the snap-fit ​​spring (17) and the return spring (14) are light springs. The elastic force of the snap-fit ​​spring (17) is less than that of the return spring (14).

3. An electrical contact pressure gauge testing device according to claim 1, characterized in that: A support block (12) is fixedly installed at the top center of the base plate (13). The top of the support block (12) extends into the interior of the insert (9) and is slidably connected to its inner wall.

4. An electrical contact pressure gauge testing device according to claim 2, characterized in that: Limiting grooves (18) are provided on the inner walls of both sides of the shrinkage groove (16). Limiting blocks (20) are fixedly installed on both sides of one end of the telescopic block (19) extending into the shrinkage groove (16). The limiting blocks (20) extend into the interior of the limiting groove (18) and slide to connect with its inner wall.

5. An electrical contact pressure gauge testing device according to claim 1, characterized in that: The inside of the calibration box (1) is equipped with a display screen (6) and an operation panel (7) on one side. The other side of the inside of the calibration box (1) is fixedly installed with a connector (8).

6. An electrical contact pressure gauge testing device according to claim 1, characterized in that: The outer side of the test box (1) away from the box cover (3) is fixedly equipped with buckles (2) at both ends. The box cover (3) is provided with a card plate (4) at both ends of the side corresponding to the buckle (2). The test box (1) is fixedly connected to the box cover (3) by the buckle (2) and the card plate (4).

7. The electrical contact pressure gauge calibration device according to claim 1, characterized in that: The calibration box (1) has a handle (5) in the middle of the side with a buckle (2) on the outside. The handle (5) is fixed to the outside of the calibration box (1) by mounting screws.

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