Positioning device for magnetic circuit bonding of alarm loudspeaker of power distribution cabinet

Abstract

The utility model relates to a positioning device for magnetic circuit bonding of an alarm loudspeaker of a power distribution cabinet, which comprises a bottom plate, and a plurality of mounting grooves are uniformly distributed on the bottom plate; a first positioning plate and a second positioning plate are arranged in the mounting groove; the first positioning plate comprises a pair of first length positioning plates and a pair of first width positioning plates; the pair of first length positioning plates are symmetrically fixed in the mounting groove along the length direction of the mounting groove; the pair of first width positioning plates are symmetrically fixed in the mounting groove along the width direction of the mounting groove; the second positioning plate comprises a pair of second length positioning plates and a pair of second width positioning plates; the pair of second length positioning plates are symmetrically fixed in the mounting groove along the length direction of the mounting groove; the pair of second length positioning plates are positioned on the outer sides of the pair of first length positioning plates; and the pair of second width positioning plates are symmetrically fixed in the mounting groove along the width direction of the mounting groove. According to the utility model, parts needing to be positioned in the magnetic circuit assembly can be quickly positioned, and subsequent quick and effective bonding is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to power distribution cabinet part processing technical field especially a kind of positioning device for power distribution cabinet alarm loudspeaker magnetic circuit bonding. BACKGROUND

[0002] Miniature loudspeaker is a kind of miniaturized electronic component, commonly found in mobile devices, earphones and sound products. It can convert electrical signals into air vibration, thereby producing sound. The defining features of miniature loudspeaker include its small size, low power consumption, good sound quality and other advantages, which make it widely used in various fields.

[0003] At present, loudspeaker needs to be loaded in power distribution cabinet for alarm. The magnetic circuit assembly in loudspeaker includes pole piece, magnetic steel and magnetic bowl, as shown in Figure 1 It needs to be bonded by glue, and when bonding on dispensing machine, the position of three parts after bonding is often inaccurate, which causes certain difficulty in subsequent loudspeaker assembly, and even affects the normal use of subsequent loudspeaker.

[0004] Therefore, a positioning device for power distribution cabinet alarm loudspeaker magnetic circuit bonding needs to be researched to solve the above technical problems. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a positioning device for power distribution cabinet alarm loudspeaker magnetic circuit bonding, which can quickly position the parts needing positioning in magnetic circuit assembly, and facilitate subsequent quick and effective bonding.

[0006] To achieve the above utility model purposes, a positioning device for power distribution cabinet alarm loudspeaker magnetic circuit bonding is provided, which includes a bottom plate, the bottom plate is uniformly distributed with a plurality of installation grooves, the cross section of the installation groove is square structure;

[0007] The first positioning plate and the second positioning plate are arranged in the installation groove.

[0008] The first positioning plate includes a pair of first length positioning plates and a pair of first width positioning plates.

[0009] A pair of the first length positioning plates are symmetrically fixed in the installation groove along the length direction of the installation groove, and the first length positioning plate is vertically arranged, the spacing between a pair of the first length positioning plates is matched with the length of the pole piece.

[0010] A pair of the first width positioning plates are symmetrically fixed in the installation groove along the width direction of the installation groove, and the first width positioning plate is vertically arranged, the spacing between a pair of the first width positioning plates is matched with the width of the pole piece.

[0011] The second positioning plate member comprises a pair of second length positioning plates and a pair of second width positioning plates;

[0012] The pair of second length positioning plates are symmetrically fixed in the mounting groove along the length direction of the mounting groove, and the second length positioning plates are vertically arranged, and the interval between the pair of second length positioning plates is matched with the length of the magnetic bowl;

[0013] The pair of second length positioning plates are located outside the pair of first length positioning plates;

[0014] The pair of second width positioning plates are symmetrically fixed in the mounting groove along the width direction of the mounting groove, and the second width positioning plates are vertically arranged, and the interval between the pair of second width positioning plates is matched with the width of the magnetic bowl;

[0015] The pair of second width positioning plates are located outside the pair of first width positioning plates.

[0016] Preferably, the center position of the mounting groove is provided with a magnet placing groove, and the magnet placing groove is provided with a magnet.

[0017] Further, the bottom of the magnet placing groove is provided with a first ejection hole penetrating through the bottom of the bottom plate.

[0018] Preferably, the inner wall bottom of the mounting groove is provided with a second ejection hole.

[0019] Further, two second ejection holes are arranged in each mounting groove, and the two second ejection holes are distributed along the length direction of the mounting groove and are symmetrically arranged, and the two second ejection holes are located inside the pair of first length positioning plates.

[0020] The positioning device for the magnetic circuit adhesion of the alarm loudspeaker of the power distribution cabinet has the advantages compared with the prior art:

[0021] (1) By arranging the first positioning plate member and the second positioning plate member in the mounting groove of the bottom plate, the parts needing positioning in the magnetic circuit assembly are quickly positioned, and subsequent quick and effective adhesion and assembly are facilitated;

[0022] (2) Simple structure, convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a structural schematic view of the magnetic circuit assembly in the background art;

[0024] Figure 2 It is a structural schematic view of the positioning device for the magnetic circuit adhesion of the alarm loudspeaker of the power distribution cabinet in the embodiment;

[0025] Figure 3 It is Figure 2A local enlarged view at middle A;

[0026] Figure 4 It is the structural schematic view of magnetic circuit component in mounting slot in this embodiment. DETAILED DESCRIPTION

[0027] The utility model is further explained below in combination with the drawings and specific embodiments.

[0028] As Figure 2 The positioning device for magnetic circuit bonding of power distribution cabinet alarm loudspeaker, including bottom plate 1, even distribution has a plurality of installation slot 2 on bottom plate 1, the cross section of installation slot 2 is square structure, first positioning plate piece and second positioning plate piece are equipped in installation slot 2.

[0029] As Figure 3 The first positioning plate piece includes a pair of first length positioning plate 3 and a pair of first width positioning plate 4, a pair of first length positioning plate 3 is fixed in installation slot 2 along the length direction of installation slot 2, and first length positioning plate 3 is vertically arranged, and the interval between a pair of first length positioning plate 3 is adapted to the length of pole piece.

[0030] A pair of first width positioning plate 4 is fixed in installation slot 2 along the width direction of installation slot, and first width positioning plate 4 is vertically arranged, and the interval between a pair of first width positioning plate 4 is adapted to the width of pole piece.

[0031] The second positioning plate piece includes a pair of second length positioning plate 5 and a pair of second width positioning plate 6, a pair of second length positioning plate 5 is fixed in installation slot 2 along the length direction of installation slot 2, and second length positioning plate 5 is vertically arranged, and the interval between a pair of second length positioning plate 5 is adapted to the length of magnetic bowl, and a pair of second length positioning plate 5 is located at the outside of a pair of first length positioning plate 3.

[0032] A pair of second width positioning plate 6 is fixed in installation slot 2 along the width direction of installation slot 2, and second width positioning plate 6 is vertically arranged, and the interval between a pair of second width positioning plate 6 is adapted to the width of magnetic bowl, and a pair of second width positioning plate 6 is located at the outside of a pair of first width positioning plate 4.

[0033] As Figure 4As shown, when the magnetic circuit assembly is bonded, the pole piece 7 is first placed in the mounting groove 2 by the first positioning plate member for positioning, then glue is applied on the upper surface of the pole piece by a glue applicator, then the magnetic steel 8 is placed on the pole piece 7, at this time the position of the magnetic steel 8 does not need to be positioned, only the lower surface of the magnetic steel 8 needs to be completely attached to the upper surface of the pole piece 7, and glue is applied on the upper surface of the magnetic steel 8; finally, the magnetic bowl 9 is covered on the pole piece 7 and the magnetic steel 8 by the second positioning plate member, and positioning and installation are realized.

[0034] In the embodiment, the center position of the mounting groove 2 is provided with a magnet placing groove 10, and a magnet (not shown in the figure) is placed in the magnet placing groove 10, after the pole piece 7 is positioned, the pole piece 7 is further prevented from sliding by magnetic attraction.

[0035] In the embodiment, the inner wall bottom of the mounting groove 2 is provided with a second ejection hole 12, which facilitates the ejection of the magnetic circuit assembly through the second ejection hole 12 after the magnetic circuit assembly is bonded and assembled, and facilitates the unloading.

[0036] Further, in the embodiment, two second ejection holes 12 are arranged in each mounting groove 2, the two second ejection holes 12 are distributed along the length direction of the mounting groove 2 and are symmetrically arranged, and the two second ejection holes 12 are located inside the pair of first length positioning plates 3; in this way, the ejection force of the magnetic circuit assembly is uniformly distributed on the pole piece through the two second ejection holes 12, and the magnetic circuit assembly is more conveniently and quickly ejected.

[0037] Although the embodiments of the utility model have been shown and described above, it can be understood that the above-mentioned embodiments are exemplary and cannot be understood as limiting the utility model, and the ordinary skilled in the art can change, modify, replace and modify the above-mentioned embodiments within the scope of the utility model.

Claims

1. A positioning device for sticking of a magnetic circuit of an alarm loudspeaker of a power distribution cabinet, characterized in that, The application relates to a magnet installation device, which comprises a bottom plate, wherein a plurality of installation grooves are uniformly distributed on the bottom plate, and the cross section of the installation grooves is in square structure. A first positioning plate and a second positioning plate are arranged in the installation groove. The first positioning plate comprises a pair of first length positioning plates and a pair of first width positioning plates. The pair of first length positioning plates are symmetrically fixed in the installation groove along the length direction of the installation groove, and the first length positioning plates are vertically arranged; the interval between the pair of first length positioning plates is matched with the length of a pole piece. The pair of first width positioning plates are symmetrically fixed in the installation groove along the width direction of the installation groove, and the first width positioning plates are vertically arranged; the interval between the pair of first width positioning plates is matched with the width of the pole piece. The second positioning plate comprises a pair of second length positioning plates and a pair of second width positioning plates. The pair of second length positioning plates are symmetrically fixed in the installation groove along the length direction of the installation groove, and the second length positioning plates are vertically arranged; the interval between the pair of second length positioning plates is matched with the length of a magnetic bowl. The pair of second length positioning plates are located outside the pair of first length positioning plates. The pair of second width positioning plates are symmetrically fixed in the installation groove along the width direction of the installation groove, and the second width positioning plates are vertically arranged; the interval between the pair of second width positioning plates is matched with the width of the magnetic bowl. The pair of second width positioning plates are located outside the pair of first width positioning plates.

2. The positioning device for the magnetic circuit bonding of the alarm loudspeaker of the power distribution cabinet according to claim 1, characterized in that, A magnet placing groove is arranged at the center position of the installation groove, and a magnet is arranged in the magnet placing groove.

3. The positioning device for the magnetic circuit bonding of the alarm loudspeaker of the power distribution cabinet according to claim 2, characterized in that, A first ejection hole is arranged at the bottom of the magnet placing groove, and the first ejection hole penetrates the bottom of the bottom plate.

4. The positioning device for the magnetic circuit bonding of an alarm loudspeaker of an electric cabinet according to any one of claims 1 to 3, characterized in that, A second ejection hole is arranged at the inner wall bottom of the installation groove.

5. The positioning device for the magnetic circuit bonding of the alarm loudspeaker of the power distribution cabinet according to claim 4, characterized in that, Two second ejection holes are arranged in each installation groove, the two second ejection holes are distributed along the length direction of the installation groove and are symmetrically arranged, and the two second ejection holes are located inside the pair of first length positioning plates.

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