CN218004387U

CN218004387U - Piezoelectric ceramic piece

Info

Publication number: CN218004387U
Application number: CN202221720810.0U
Authority: CN
Inventors: 李中英; 张朝俊; 高天
Original assignee: Wenzhou Ouxin Electronics Co ltd
Current assignee: Wenzhou Ouxin Electronics Co ltd
Priority date: 2022-07-05
Filing date: 2022-07-05
Publication date: 2022-12-09
Anticipated expiration: 2032-07-05

Abstract

The application relates to the field of an electronic sound component, in particular to a piezoelectric ceramic piece which comprises a body and an electrode plate, wherein a slot is formed in the electrode plate, an insertion block inserted into the slot is arranged on the body, a limiting block is arranged on the insertion block, a limiting groove matched with the limiting block and used for allowing the limiting block to slide in is formed in the inner wall of the slot, and the inner wall of the limiting groove is used for enabling the insertion block to be difficult to extract from the slot by being collided with the side wall of the limiting block. This application has the effect that improves the joint strength between body and the electrode slice.

Description

Piezoelectric ceramic piece

Technical Field

The application relates to the field of electronic sound components, in particular to a piezoelectric ceramic piece.

Background

The piezoelectric ceramic piece, commonly called buzzing piece, is an electronic sound component, which has the effect of converting electric energy and mechanical energy, and can generate electric energy by pressing and vibrating the pressing piece, and can generate vibration by electrifying the piezoelectric ceramic piece, thereby making sound.

People often put the piezoelectric ceramic piece between two round electrodes made of copper, when an alternating-current audio signal is connected on the two electrodes, the piezoelectric ceramic piece will vibrate according to the magnitude and frequency of the signal to generate corresponding sound.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: the electrodes are usually fixed on the piezoelectric ceramic plate by adhesion, and the electrodes adhered on the piezoelectric ceramic plate are easy to vibrate down when the piezoelectric ceramic plate is electrified and vibrated.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that electrodes bonded on the piezoelectric ceramic piece are easy to vibrate down when the piezoelectric ceramic piece is electrified and vibrated, the application provides the piezoelectric ceramic piece.

The application provides a piezoceramics piece adopts following technical scheme:

the utility model provides a piezoceramics piece, includes body and electrode slice, the slot has been seted up on the electrode slice, be provided with the inserted block that is used for inserting to the slot on the body, be provided with the stopper on the inserted block, set up on the slot inner wall with stopper looks adaptation and be used for supplying the spacing groove that the stopper slided in, spacing inslot wall is used for conflicting with the stopper lateral wall and makes the inserted block be difficult to extract from the slot.

Through adopting above-mentioned technical scheme, when needs installation body and electrode slice, the staff can insert the inserted block to the slot earlier, makes the stopper slide in to the spacing inslot again for the stopper lateral wall is contradicted on spacing inslot wall, makes the inserted block difficult to follow the reverse extraction of the direction of inserting the slot, has realized the joint, and the glue that reunion body and electrode slice bond has realized dual fixed, has improved the joint strength between body and the electrode slice.

Optionally, a gap exists between the inner wall of the slot and the side wall of the insert block, and the gap is used for glue coating.

Through adopting above-mentioned technical scheme, through making there is the clearance between slot inner wall and the inserted block lateral wall, make the inserted block coating go up glue and insert the slip joint of realizing the stopper again in the slot, glue has still played the fixed action between inserted block and the slot inner wall this moment, the area that glue bonds between body and the electrode piece has been increased, the stability of bonding has further been improved, simultaneously when the body circular telegram produces the vibration, the vibration on the body passes through the buffering of glue on transmitting to the electrode piece, the relative vibration range between inserted block and the slot inner wall has been reduced, thereby the probability that takes place to break away from after the glue hardening between inserted block and the slot inner wall has been reduced, the joint strength between body and the electrode piece has been improved, still played the guard action to the electrode piece.

Optionally, the number of the insertion blocks is at least two, and the insertion blocks are symmetrically distributed on the side wall of the body.

Through adopting above-mentioned technical scheme, through the inserted block that is the symmetric distribution for the atress between body and the electrode slice distributes on a plurality of inserted blocks, thereby makes the atress more even, has reduced the pressure that single inserted block received, changes the upper limit that has improved the inserted block and born pressure mutually, thereby has played the guard action to the inserted block.

Optionally, the electrode plate is provided with a glue hole, the glue hole is communicated with the slot, and the glue hole is used for allowing glue to enter the slot.

By adopting the technical scheme, when the inserting block is inserted into the inserting groove, and the limiting block is slid into the limiting groove, a worker can inject glue into the inserting groove and the limiting groove through the glue hole, so that the space between the inserting groove and the limiting groove is filled with the glue, the problem that the inserting block is inserted into the inserting groove after being coated with the glue is reduced, the limiting block is further required to be slid into the limiting groove, part of the space between the inserting groove and the limiting groove is not filled with the glue, so that the glue can be attached to the inner wall of the inserting groove and the limiting groove in a thin layer and is not hardened between the inner wall of the inserting groove and the side wall of the inserting block, the probability of bottom crossing of the structural strength of glue hardening connection between the inner wall of the inserting groove and the inserting block is caused, the inserting groove and the limiting groove are filled with the glue, the connection strength between the inner wall of the inserting groove and the limiting block is further improved, and the connection strength between the inner wall of the limiting groove and the side wall of the limiting block is also improved, and the buffering effect is more remarkable.

Optionally, a glue groove for filling glue is formed in the electrode plate, and the glue groove and the opening surface of the slot are formed in the same side wall of the electrode plate.

Through adopting above-mentioned technical scheme, after the electrode slice is installed on the body, the glue that is located gluey inslot will bond on the body to bonding strength and buffering effect between body and the electrode slice have further been improved.

Optionally, the glue hole further penetrates through the electrode plate to the inside of the glue groove, so that the glue groove is communicated with the slot.

Through adopting above-mentioned technical scheme, after the electrode slice is installed on the body, the staff accessible is glued the hole and is made gluey groove and slot be linked together, this moment the staff only need continue to glue the hole and inject glue in to the slot through gluing can, glue accessible in the slot glue the hole and continue to flow in to gluing the inslot, the operation of staff has been made things convenient for, also make glue can better fill in the slot, spacing groove and gluey inslot, the glue is the coating in advance, when bonding the electrode slice on the body again, because the volume of glue is difficult to on the ration of stable control, thereby make the glue volume few, there is the space in the gluey groove and reduce the bonding strength of glue, and the glue volume is when many, glue will be extruded from between electrode slice lateral wall and the body lateral wall, cause the waste, thereby reached the extravagant purpose of reduction glue.

Optionally, a stabilizing block is arranged on the side wall of the electrode plate, a stabilizing through groove is formed in the stabilizing block, an opening surface of the stabilizing through groove is formed in the side wall of the electrode plate, and the stabilizing through groove is used for a lead to be inserted into and connected to the electrode plate.

Through adopting above-mentioned technical scheme, through inserting the wire to stable logical inslot for stable piece has played limiting displacement to the wire, has reduced when vibrating along with the body because of the electrode slice, and the wire takes place crooked, skew and leads to the probability of being connected and disconnected between wire and the electrode slice, has improved the stability between wire and the electrode slice.

Optionally, a fixing groove is further formed in the stabilizing block, and the fixing groove penetrates through the stabilizing through groove.

Through adopting above-mentioned technical scheme, the staff can type soldered connection or glue to stable logical inslot through the fixed slot to fix wire end and electrode slice lateral wall, made things convenient for the operation.

In summary, the present application includes at least one of the following beneficial technical effects:

1. contradict on the spacing inslot wall through the stopper lateral wall, realized the joint, combine the glue bonding between body and the electrode slice again, realized dual fixed, improved the joint strength between body and the electrode slice.

2. The connection strength between the body and the electrode plate is improved, the electrode plate is protected, the plug block is protected, and the vibration of the body is buffered.

Drawings

Fig. 1 is a schematic overall structure diagram of a piezoceramic wafer in an embodiment of the present application.

Fig. 2 is a schematic view highlighting the exploded structure of the insert.

Fig. 3 is a schematic view showing the electrode sheet structure of the slot.

Fig. 4 is an enlarged schematic view of a structure in fig. 3.

Fig. 5 is a schematic sectional view taken along line B-B in fig. 2.

Description of reference numerals: 1. a body; 2. an electrode sheet; 3. a slot; 4. inserting a block; 5. a limiting block; 6. a limiting groove; 7. gluing holes; 8. a glue groove; 9. a stabilizing block; 10. stabilizing the through groove; 11. and fixing the grooves.

Detailed Description

The present application is described in further detail below with reference to FIGS. 1-5.

The embodiment of the application discloses a piezoceramics piece. Referring to fig. 1, the piezoelectric ceramic plate includes a body 1 and two electrode plates 2, and the two electrode plates 2 are symmetrically fixed on two sides of the body 1.

Electrode slice 2 has seted up two slots 3 on the lateral wall towards body 1, and two slots 3 are the symmetry and set up, and the length direction of slot 3 is concentric pivoted direction and extends, is the arc promptly and extends. Two insertion blocks 4 which are used for being inserted into the slots 3 are fixedly connected to the side wall of one side of the body 1, two insertion blocks 4 which are fixedly connected to the side wall of the other side of the body 1 are also fixedly connected to the side wall of the other side of the body 1, the two insertion blocks 4 are symmetrically fixed to the same side wall of the body 1, and the insertion blocks 4 correspond to the slots 3 one to one.

Referring to fig. 2 and 3, the length direction of the insert 4 is the direction of keeping away from the side wall of the body 1 perpendicularly and extends, the insert 4 is used for being inserted into the slot 3, the insert 4 is far away from the end side wall of the body 1 and fixedly connected with a limit block 5, the length direction of the limit block 5 is perpendicular to the length direction of the insert 4, and the limit block 5 is also inserted into the slot 3. Offer on the 3 inner walls of slot with 5 looks adaptations of stopper and be used for supplying the spacing groove 6 that stopper 5 slideed in, and the length direction of spacing groove 6 extends along the length direction of slot 3, be the arc promptly and extend, 6 inner walls of spacing groove are used for contradicting with 5 lateral walls of stopper and make inserted block 4 be difficult to extract from slot 3, including 6 cross-sections of spacing groove made the inserted block 4 slide with stopper 5 for the L type, and 6 inner walls of spacing groove contradict the laminating with the lateral wall of inserted block 4 and stopper 5 simultaneously. A gap is formed between the inner wall of the slot 3 and the side wall of the plug block 4, and the gap is used for glue coating.

Referring to fig. 4, a glue hole 7 is formed in the side wall of the outer ring of the electrode plate 2, the glue hole 7 penetrates through the side wall of the electrode plate 2 to the slot 3 and the limiting groove 6, the outside is communicated with the slot 3 through the glue hole 7, and the glue hole 7 is used for allowing glue to enter the slot 3.

Referring to fig. 2 and 3, a glue groove 8 for filling glue into the electrode plate 2 is formed in the side wall of the electrode plate 2 facing the body 1, that is, the glue groove 8 and the opening surface of the slot 3 are formed in the same side wall of the electrode plate 2, and the glue in the glue groove 8 is used for bonding the electrode plate 2 to the body 1.

Referring to fig. 4, the glue hole 7 also penetrates through the inner ring side wall of the electrode plate 2 to the glue groove 8, so that the glue groove 8 is communicated with the slot 3, i.e. glue in the slot 3 flows into the glue groove 8. In this embodiment, the glue is a high temperature resistant conductive glue.

Refer to fig. 2 and 5, electrode slice 2 is fixed connection with stabilizing block 9 on the lateral wall of body 1 dorsad, stabilizing block 9 is last to run through and has been seted up stable logical groove 10, the length direction who stably leads to groove 10 runs through stabilizing block 9 lateral wall, be certain slope contained angle between the length direction who stably leads to groove 10 and the length direction of stabilizing block 9, it sets up to electrode slice 2 lateral wall to stabilize logical groove 10 open face, it is used for supplying the wire to insert and realize the electricity through welding or bonding to electrode slice 2 to be connected to stabilize logical groove 10, it contradicts the laminating with the wire lateral wall to stabilize logical groove 10 inner wall.

Referring to fig. 2 and 5, a fixing groove 11 is further formed in the stabilizing block 9 in a penetrating manner, the fixing groove 11 penetrates and communicates with the inside of the stabilizing through groove 10, an end portion of the fixing groove 11 is communicated with an end portion of the stabilizing through groove 10 close to the side wall of the electrode plate 2, the length direction of the fixing groove 11 extends in a direction perpendicular to the side wall of the electrode plate 2, and a welding head or glue enters from the fixing groove 11 to electrically connect a lead to the electrode plate 2.

The implementation principle of the piezoelectric ceramic plate in the embodiment of the application is as follows: when needs installation body 1 and electrode slice 2, can insert from slot 3 earlier the inserted block 4, rotate electrode slice 2 again and make stopper 5 change over into to spacing groove 6 in, then come into glue through gluey hole 7, make glue fill at slot 3, spacing groove 6 and glue inslot 8, insert the wire again to the end electric wire that makes the wire and electrode slice 2 lateral wall are inconsistent from stabilizing logical inslot 10, then get into from fixed slot 11 with soldered connection or glue again, fix the end of wire on electrode slice 2 in order to realize the electricity and connect.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a piezoceramics piece, including body (1) and electrode slice (2), its characterized in that: the electrode plate comprises an electrode plate body (2), and is characterized in that a slot (3) is formed in the electrode plate body (2), an insertion block (4) inserted into the slot (3) is arranged on the body (1), a limiting block (5) is arranged on the insertion block (4), a limiting groove (6) matched with the limiting block (5) and used for allowing the limiting block (5) to slide into is formed in the inner wall of the slot (3), and the inner wall of the limiting groove (6) is used for being abutted against the side wall of the limiting block (5) to enable the insertion block (4) to be difficult to be pulled out from the slot (3).

2. The piezoceramic wafer of claim 1, wherein: a gap exists between the inner wall of the slot (3) and the side wall of the insertion block (4), and the gap is used for glue coating.

3. The piezoceramic wafer of claim 1, wherein: the number of the insertion blocks (4) is at least two, and the insertion blocks (4) are symmetrically distributed on the side wall of the body (1).

4. The piezoelectric ceramic sheet according to claim 1, wherein: the electrode plate (2) is provided with a glue hole (7), the glue hole (7) is communicated with the slot (3), and the glue hole (7) is used for allowing glue to enter the slot (3).

5. The piezoceramic wafer of claim 4, wherein: the electrode plate (2) is provided with a glue groove (8) for filling glue, and the glue groove (8) and the opening surface of the slot (3) are arranged on the same side wall of the electrode plate (2).

6. The piezoceramic wafer of claim 5, wherein: the glue hole (7) also penetrates through the electrode plate (2) to the glue groove (8), so that the glue groove (8) is communicated with the slot (3).

7. The piezoelectric ceramic sheet according to claim 1, wherein: the electrode plate is characterized in that a stabilizing block (9) is arranged on the side wall of the electrode plate (2), a stabilizing through groove (10) is formed in the stabilizing block (9), the opening face of the stabilizing through groove (10) is formed in the side wall of the electrode plate (2), and the stabilizing through groove (10) is used for a lead to be inserted into and connected to the electrode plate (2).

8. The piezoelectric ceramic sheet according to claim 7, wherein: the stabilizing block (9) is further provided with a fixing groove (11), and the fixing groove (11) penetrates through and is communicated into the stabilizing through groove (10).