Adjustable positioning seat for circuit board

Abstract

The utility model discloses an adjustable positioning seat for a circuit board, which relates to the technical field of circuit board positioning and comprises a base, four mounting frames arranged in a circumferential array are arranged at a through hole around the center of the base, sliding seats are arranged on the mounting frames in a sliding manner, sliding plates are arranged on opposite sides of the two sliding seats in a sliding manner, one ends of the sliding plates are inserted into the sliding plates, and the other ends of the sliding plates are inserted into the through holes. The base is located on the installation frame (the lower portion is in a through state, the bottom of the sliding seat is fixedly provided with connecting plates, the connecting plates in the same direction are provided with threaded columns in a penetrating mode, the two threaded columns are staggered up and down, and the portions, located on the two connecting plates, of the threaded columns are provided with two pushing threads. And the extension directions of the two sections of propelling threads are opposite. The circuit board clamping device is simple in structure, convenient to adjust the size of the clamping mechanism, capable of fixing circuit boards of different sizes, high in practicability and suitable for popularization.

Description

TECHNICAL FIELD

[0001] The utility model belongs to circuit board positioning technical field, concretely relates to an adjustable positioning seat of circuit board. BACKGROUND

[0002] Circuit board can make circuit miniaturization, intuition, and plays an important role for the batch production and optimization of fixed circuit and electric appliance layout. In order to fix a plurality of components to the circuit board, the circuit board needs to be polished, spot welded, cut and the like, and the circuit board needs to be positioned on the instrument in the process of circuit board processing. The existing circuit board can only meet the fixed size of circuit board when being fixed, and the adjustable fixing mechanism is too complex to operate. SUMMARY

[0003] The utility model discloses a kind of adjustable positioning seat of circuit board, simple structure is convenient for the size of clamping mechanism is adjusted, different size circuit board can be fixed, practicality is strong, is suitable for promotion.

[0004] The utility model provides the following technical scheme: an adjustable positioning seat of circuit board, including base, the base is equipped with the circumferential array of four mounting frames at the through hole of center, the mounting frame is equipped with sliding seat slidingly, two the sliding seat opposite side is equipped with sliding plate slidingly, the sliding plate one end is inserted in sliding seat, and it is equipped with support spring fixedly, the other end of support spring is equipped with clamping strip fixedly;

[0005] The base is in through condition below mounting frame, the sliding seat bottom is equipped with connecting plate fixedly, the connecting plate is equipped with threaded column in the same direction, two the threaded column is staggered, and the threaded column is equipped with two sections of advancing thread at two connecting plates, and the extension direction of two sections of advancing thread is opposite.

[0006] Preferably, the clamping strip is provided with a clamping groove penetrating through both ends towards the center of the base, the bottom of the clamping groove is fixedly provided with an elastic pad, the elastic pad is provided with a smooth chamfer at the opening of the clamping groove, the upper end of the clamping strip is provided with a smooth inclined surface, and the horizontal length of the inclined surface is greater than the horizontal depth of the clamping groove.

[0007] Preferably, the upper surface of the sliding plate is provided with a scale bar from the sliding seat to the clamping strip, and the scale of the scale bar corresponds to the pitch of the advancing thread and the distance between the two clamping grooves.

[0008] Preferably, one end of the threaded column extends below the base and is fixedly provided with a knob, and the base is fixed on the instrument by four corner supports.

[0009] The utility model discloses a beneficial effect: simple structure is convenient for adjusting the size of the clamping mechanism, can fix circuit board of different size, practicality is strong, specific as follows:

[0010] (1), the utility model discloses a threaded column, when needing to adjust the size of fixed circuit board clamp, rotate threaded column through knob, when threaded column rotates, because the connecting plate connected by its thread cannot rotate, under the torsion of thread, connecting plate and the sliding seat connected thereto are translated along threaded column, because the extension direction of the propelling thread on threaded column is opposite, two connecting plates move and do the motion of mutual far or close, thereby make two clamping strips far or close, and according to the propelling distance of the clamping strip that can be shown on the sliding seat, thereby control the distance of four direction clamps.

[0011] (2), the utility model discloses an inclined plane, after adjusting the position of clamping strip according to the size of circuit board, press circuit board on the inclined plane, when sliding plate is extruded on the inclined plane, be pressed into sliding seat, supply circuit board to the clamping groove, under the action of support spring, clamping strip is ejected, and the four edges of circuit board are pressed into the clamping groove, in the process, circuit board extrudes the chamfer of elastic pad side, and its upper and lower sides are clamped between clamping groove and elastic pad, to adapt to the circuit board of different thickness. BRIEF DESCRIPTION OF DRAWINGS

[0012] The drawings are used to provide further understanding of the utility model and constitute part of the specification, and are used to explain the utility model with the embodiment of the utility model, and do not constitute the limitation of the utility model. In the drawings:

[0013] Fig. 1 It is the whole schematic view of the utility model;

[0014] Fig. 2 It is the sectional view of the utility model;

[0015] Fig. 3 It is the enlarged view of A of the utility model;

[0016] Marked as in the drawing: 1, base;2, installation frame;3, sliding seat;4, sliding plate;5, clamping strip;6, inclined plane;7, scale bar;8, threaded column;9, knob;10, propelling thread;11, connecting plate;12, support spring;13, sliding groove;14, clamping groove;15, elastic pad. DETAILED DESCRIPTION

[0017] Clearly and completely describe the technical scheme in the embodiments of the utility model in combination with the drawings in the embodiments of the utility model; Obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments, based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without making creative labor belong to the range of protection of the utility model.

[0018] In the description of the utility model, it needs to be explained that the terms "upper", "lower", "inner", "outer", "top / bottom end" and the like indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model.

[0019] In the description of the utility model, it needs to be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be broadly understood, for example, "connected", which can be fixedly connected, or can be detachably connected, or integrally connected; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium; can be the communication inside two elements. For the ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0020] Now the structural characteristics of the utility model will be described in detail in combination with the drawings in the description.

[0021] Referring to Figs. 1-3 A circuit board adjustable positioning seat, comprising a base 1, the base 1 is provided with four mounting frames 2 in a circumferential array around the center through hole, the mounting frame 2 is slidably provided with a sliding seat 3, the sliding seat 3 is pulled to slide in the mounting frame 2, the opposite side of the two sliding seats 3 is slidably provided with a sliding plate 4, one end of the sliding plate 4 is inserted into the sliding seat 3, and a supporting spring 12 is fixedly arranged, the supporting spring 12 provides support, so that the sliding plate 4 is pressed into the sliding seat 3 when being extruded, the other end of the supporting spring 12 is fixedly provided with a clamping strip 5, the clamping strip 5 is provided with a clamping groove 14 penetrating through both ends towards the center of the base 1, the clamping groove 14 clamps the side edge of the circuit board, the bottom of the clamping groove 14 is fixedly provided with an elastic pad 15, the elastic pad 15 is provided with a smooth chamfer at the opening of the clamping groove 14, the chamfer of the side edge of the circuit board is inserted to make the upper and lower sides clamped between the clamping groove 14 and the elastic pad 15, the upper end of the clamping strip 5 is provided with a smooth inclined surface 6, the horizontal length of the inclined surface 6 is greater than the horizontal depth of the clamping groove 14, and the circuit board is extruded through the inclined surface 6 to the clamping groove 14.

[0022] Referring to Figs. 1-2The base 1 is located below the installation frame 2 in a through state, the bottom of the sliding seat 3 is fixedly provided with a connecting plate 11, the sliding seat 3 is driven through the connecting plate 11, the connecting plate 11 in the same direction is provided with a threaded column 8 in a penetrating manner, the two threaded columns 8 are staggered up and down, the threaded column 8 is provided with two sections of advancing threads 10 at the two connecting plates 11, the extending directions of the two sections of advancing threads 10 are opposite, the two connecting plates 11 move away from or close to each other, the upper surface of the sliding plate 4 is provided with a scale strip 7 from the sliding seat 3 to the clamping strip 5, the scale of the scale strip 7 corresponds to the pitch of the advancing threads 10 and the distance between the two clamping grooves 14, the distance between the two clamping grooves 14 corresponds to the size of the circuit board, one end of the threaded column 8 extends below the base 1 and is fixedly provided with a knob 9, the threaded column 8 is rotated through the knob 9, the base 1 is fixed on the instrument through the four corner supports, and the installation space of the threaded column 8 is provided.

[0023] The adjustable positioning seat of the circuit board has the advantages of simple structure, convenient size adjustment of the clamping mechanism, fixed circuit boards of different sizes, high practicability and suitability for promotion.

[0024] Specifically, in use, referring to Figs. 1-2 When the size of the fixed circuit board clamp needs to be adjusted, the threaded column 8 is rotated through the knob 9, when the threaded column 8 rotates, the connecting plate 11 connected by the thread cannot rotate, and the connecting plate 11 and the sliding seat 3 connected thereto translate along the threaded column 8 under the torsion of the thread, since the extending directions of the advancing threads 10 on the threaded column 8 are opposite, the two connecting plates 11 move away from or close to each other, so that the two clamping strips 5 move away from or close to each other, and the distance of the four direction clamps is controlled according to the advancing distance of the clamping strip 5 displayed on the sliding seat 3;

[0025] Referring to Figs. 1-3 After the position of the clamping strip 5 is adjusted according to the size of the circuit board, the circuit board is pressed on the inclined surface 6, the sliding plate 4 is pressed into the sliding seat 3 when the inclined surface 6 is extruded, the circuit board passes to the clamping groove 14, the clamping strip 5 is popped out under the action of the supporting spring 12, the four edges of the circuit board are pressed into the clamping groove 14, and in the process, the circuit board extrudes the chamfer of the side edge of the elastic pad 15, so that the upper and lower sides thereof are clamped between the clamping groove 14 and the elastic pad 15, so as to adapt to circuit boards of different thicknesses.

[0026] The above only describes the preferred embodiments of the utility model and is not used for limiting the utility model, although the utility model is described in detail with reference to the foregoing embodiments, the skilled in the art can still modify the technical scheme recorded in the foregoing embodiments or make equivalent replacement to part of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. An adjustable positioning seat for a circuit board, comprising a base (1), characterized in that, The base (1) is provided with four mounting frames (2) in a circumferential array around the central through hole, the mounting frames (2) are slidably provided with sliding seats (3), two opposite sides of the sliding seats (3) are slidably provided with sliding plates (4), one end of the sliding plates (4) is inserted into the sliding seats (3) and is fixedly provided with supporting springs (12), the other end of the supporting springs (12) is fixedly provided with clamping strips (5). The base (1) is in a through state below the mounting frame (2), the sliding seats (3) are fixedly provided with connecting plates (11) at the bottom, the connecting plates (11) in the same direction are provided with threaded columns (8) in penetration, the two threaded columns (8) are staggered up and down, the threaded columns (8) are provided with two sections of advancing threads (10) at the two connecting plates (11), and the extending directions of the two sections of advancing threads (10) are opposite.

2. The circuit board adjustable standoff of claim 1, wherein, The clamping strips (5) are provided with clamping grooves (14) penetrating through two ends towards the center side of the base (1), the clamping grooves (14) are fixedly provided with elastic pads (15) at the bottom, the elastic pads (15) are provided with smooth chamfers at the openings of the clamping grooves (14), the clamping strips (5) are provided with smooth inclined surfaces (6) at the upper ends, and the transverse length of the inclined surfaces (6) is greater than the transverse depth of the clamping grooves (14).

3. The circuit board adjustable standoff of claim 1, wherein: The upper surfaces of the sliding plates (4) are provided with scale bars (7) from the sliding seats (3) to the clamping strips (5), and the scales of the scale bars (7) correspond to the pitches of the advancing threads (10) and the distance between the two clamping grooves (14).

4. The circuit board adjustable standoff of claim 1, wherein: One end of the threaded column (8) extends out of the lower side of the base (1) and is fixedly provided with a knob (9), and the base (1) is fixed on the instrument through four corner supports.

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