Welding auxiliary device for in-line resistor

Abstract

The utility model discloses an auxiliary welding device for a direct insertion resistor, which comprises a support ring, a sliding hole is arranged on the side wall of the support ring, two symmetrically distributed screw rods are connected to the inner side wall of the support ring, four screw caps are connected to the side walls of the screw rods in a threaded manner, a sliding block is connected to the side wall of the sliding hole in a sliding manner, and the sliding block is connected to the side wall of the sliding hole in a sliding manner. The top end of the sliding block is connected with a supporting plate. The lead is inserted into the corresponding welding hole of the circuit board, so that the direct-insertion resistor main body can be connected with the circuit board, the direct-insertion resistor main body is prevented from falling off, the two ends of the circuit board are placed on the two supporting plates respectively, the direct-insertion resistor main body faces downwards, and the two ends of the circuit board are pressed by hands to fix the circuit board. The in-line resistor main body is located on the inner side of the supporting ring and is in a suspended state, so that the in-line resistor main body is prevented from being pressed, and the protection effect on the in-line resistor main body is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to welding auxiliary device field, especially a kind of welding auxiliary device of direct insertion resistance. BACKGROUND

[0002] Direct insertion resistance is a fixed resistance, by general purpose metal film or carbon film for the device needing high resistance, they have long and flexible lead, can be inserted into the hole of printed circuit board.

[0003] When welding direct insertion resistance to circuit board, the lead on direct insertion resistance is inserted into corresponding circuit board welding hole, so that direct insertion resistance and circuit board form preliminary connection, avoid direct insertion resistance from circuit board drop, at this time, the usual manual welding is placed on workbench, so that the lead is upwards, and direct insertion resistance is below circuit board, to facilitate the welding of lead and welding hole connection, but, it will inevitably press circuit board, and then make circuit board press direct insertion resistance downwards, it is possible that the pressing force is too large, leading to direct insertion resistance damage, therefore, a kind of welding auxiliary device of direct insertion resistance is needed, to avoid direct insertion resistance damage due to excessive pressing force when manual welding. SUMMARY

[0004] The utility model aims at overcoming the defect that direct insertion resistance is easily pressed and damaged to provide a kind of welding auxiliary device of direct insertion resistance.

[0005] The technical scheme for realizing the above-mentioned purpose is: a kind of welding auxiliary device of direct insertion resistance, including support ring, the side wall of the support ring is equipped with sliding hole, the inner side wall of the support ring is connected with two symmetrical distribution screw rods, the side wall of the screw rod is connected with four nuts, the side wall of the sliding hole is connected with sliding block, the top of the sliding block is connected with support plate, the bottom end side wall of the support plate is connected with two symmetrical distribution connecting blocks, the side wall of the connecting block is equipped with through hole, the side wall of the screw rod passes through through hole.

[0006] Preferably, the shape of the sliding hole and the shape of the sliding block are both cross-shaped.

[0007] Preferably, the two ends of the connecting block are provided with nuts.

[0008] Preferably, the side wall of the support plate is equipped with a plurality of array distribution screw holes, and the screw holes are threadedly connected with screws.

[0009] Preferably, the shape of the support ring is square tube.

[0010] Preferably, the side wall of the support plate and the side wall of the support ring are both provided with round corners.

[0011] The utility model has the beneficial effects that:

[0012] 1) Insert the lead wire into the corresponding solder hole on the circuit board so that the through-hole resistor body can be connected to the circuit board and prevent the through-hole resistor body from falling off. Place the two ends of the circuit board on the two support plates respectively, with the through-hole resistor body facing downwards, and press the two ends of the circuit board with your hands to fix the circuit board. At this time, the through-hole resistor body is located inside the support ring and is in a suspended state. Therefore, the through-hole resistor body is prevented from being pressed, thus achieving the protection effect of the through-hole resistor body.

[0013] 2) Adjust the spacing between the two support plates by pulling them to accommodate circuit boards of various lengths. Then, turn the nuts to clamp the connecting block and fix the support plates in place, preventing them from moving during the welding process. Attached Figure Description

[0014] Figure 1 This is a top view of the structure of this utility model;

[0015] Figure 2 This is a bottom view structural diagram of this utility model;

[0016] Figure 3 This is a cross-sectional bottom view of the structure of this utility model;

[0017] Figure 4 This is a schematic diagram of the support ring structure of this utility model;

[0018] Figure 5 This is a schematic diagram of the support plate structure of this utility model.

[0019] Icon labels:

[0020] 1. Support ring; 2. Sliding hole; 3. Screw; 4. Nut; 5. Support plate; 6. Connecting block; 7. Through hole; 8. Slider; 9. Screw hole; 10. Screw; 11. Circuit board; 12. Through-hole resistor body; 13. Lead wire. Detailed Implementation

[0021] The technical solution of this utility model will now be clearly and completely described in conjunction with the accompanying drawings. In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0022] The utility model will be further described below with reference to the drawings.

[0023] Reference drawings Figures 1-5 A kind of welding auxiliary device of direct insertion resistance, including support ring 1, the shape of support ring 1 is square tube, sliding hole 2 is opened in the side wall of support ring 1, two symmetrical distribution screw rods 3 are connected to the inner side wall of support ring 1, four nuts 4 are threadedly connected to the side wall of screw rod 3, nut 4 is arranged at the both ends of connecting block 6, sliding block 8 is slidably connected to the side wall of sliding hole 2, the shape of sliding hole 2 and sliding block 8 are both cross type, the top of sliding block 8 is connected with support plate 5, the side wall of support plate 5 and the side wall of support ring 1 are both provided with round corner, the bottom end side wall of support plate 5 is connected with two symmetrical distribution connecting blocks 6, through hole 7 is opened in the side wall of connecting block 6, the side wall of screw rod 3 passes through through hole 7, lead 13 is connected to the both ends of direct insertion resistance main body 12, sliding hole 2 and screw rod 3 are parallelly distributed.

[0024] lead 13 is inserted into the welding hole corresponding to circuit board 11, so that direct insertion resistance main body 12 can be connected with circuit board 11, avoid the drop of direct insertion resistance main body 12, the both ends of circuit board 11 are placed on two support plates 5 respectively, so that direct insertion resistance main body 12 faces downwards, and the both ends of circuit board 11 are pressed by hand to fix circuit board 11, at this time, direct insertion resistance main body 12 is in the state of suspension at the inner side of support ring 1, therefore, direct insertion resistance main body 12 avoids being pressed, thereby realizing the protection effect of direct insertion resistance main body 12;

[0025] by pulling two support plates 5 to move (support plate 5 drives sliding block 8 and connecting block 6 to move, sliding block 8 moves along sliding hole 2, and connecting block 6 moves along screw rod 3 through through hole 7), the spacing of support plate 5 is adjusted, thereby adapting to circuit board 11 of multiple lengths, then, nut 4 is rotated, two nuts 4 clamp connecting block 6, thereby fixing support plate 5, avoiding the movement of support plate 5 during welding.

[0026] Reference drawings Figure 1 The side wall of support plate 5 is provided with a plurality of arrayed screw holes 9, screw 10 is threadedly connected in screw hole 9, the corner positioning hole on circuit board 11 is aligned with screw hole 9, and screw 10 is screwed, so that screw 10 fixes circuit board 11, to facilitate the fixation of multiple adaptive circuit boards 11.

[0027] The above embodiments are only used to illustrate the technical solutions of the utility model, rather than limit them; although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it still can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model.

Claims

1. A welding auxiliary device for through-hole resistors, characterized in that, The device includes a support ring (1), the side wall of which has a sliding hole (2), the inner side wall of which is connected to two symmetrically distributed screws (3), the side wall of which is threaded with four nuts (4), the side wall of which is slidably connected to a slider (8), the top of which is connected to a support plate (5), the bottom side wall of which is connected to two symmetrically distributed connecting blocks (6), the side wall of which is provided with a through hole (7), and the side wall of which is passed through the through hole (7).

2. The welding auxiliary device for through-hole resistors according to claim 1, characterized in that, The shape of the sliding hole (2) and the shape of the slider (8) are both cross-shaped.

3. The welding auxiliary device for through-hole resistors according to claim 1, characterized in that, Nuts (4) are provided at both ends of the connecting block (6).

4. The welding auxiliary device for through-hole resistors according to claim 1, characterized in that, The side wall of the support plate (5) is provided with a plurality of arrayed screw holes (9), and screws (10) are threaded into the screw holes (9).

5. The welding auxiliary device for through-hole resistors according to claim 1, characterized in that, The branch ring (1) is in the shape of a square tube.

6. The welding auxiliary device for through-hole resistors according to claim 1, characterized in that, The side walls of the support plate (5) and the support ring (1) are both provided with rounded corners.

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