CN218769273U - Positioning structure applied to magnetic proximity switch and electric appliance with positioning structure - Google Patents
Positioning structure applied to magnetic proximity switch and electric appliance with positioning structure Download PDFInfo
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- CN218769273U CN218769273U CN202223195144.6U CN202223195144U CN218769273U CN 218769273 U CN218769273 U CN 218769273U CN 202223195144 U CN202223195144 U CN 202223195144U CN 218769273 U CN218769273 U CN 218769273U
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- 230000006698 induction Effects 0.000 claims abstract description 110
- 230000009471 action Effects 0.000 claims abstract description 106
- 238000004806 packaging method and process Methods 0.000 claims description 38
- 239000000463 material Substances 0.000 claims description 18
- 238000002347 injection Methods 0.000 claims description 11
- 239000007924 injection Substances 0.000 claims description 11
- 230000004044 response Effects 0.000 abstract description 11
- 238000005538 encapsulation Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 2
- 230000001939 inductive effect Effects 0.000 abstract 1
- 239000003292 glue Substances 0.000 description 10
- 235000014676 Phragmites communis Nutrition 0.000 description 8
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005429 filling process Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 208000033999 Device damage Diseases 0.000 description 1
- 244000089486 Phragmites australis subsp australis Species 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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Abstract
The utility model discloses a be applied to magnetic proximity switch's location structure, including the encapsulation casing, be equipped with the location chamber that is used for assembling magnetic force induction action device in the encapsulation casing, it is concrete, the inside wall of encapsulation casing includes first lateral wall portion and second lateral wall portion, the location chamber is enclosed jointly by first lateral wall portion and second lateral wall portion and is closed and form, when assembling, magnetic force induction action device can cooperate with second lateral wall portion, so that make the directional assembly of action device in the location intracavity, when circumferential direction takes place for the action device in the location intracavity, one side and the first lateral wall portion of action device offset, the opposite side offsets with second lateral wall portion, with locking action device, then go on the encapsulating process toward the location intracavity, so that the action device is fixed in on the encapsulation casing completely, and lock the orientation of response face, and confirm the orientation of response face through the location sign on the encapsulation casing, ensure proximity switch assembly back on the product, the response face is just to the magnet, ensure the inductive distance between the two.
Description
Technical Field
The utility model relates to an electronic component's technical field, in particular to be applied to magnetic proximity switch's location structure and have its electrical apparatus.
Background
Patent CN201922133786.5 discloses a reed switch magnetic proximity switch, which includes a positioning seat with an opening at the top, a packaging shell disposed in the opening of the positioning seat and extending along the length direction of the positioning seat, a reed switch mounted in the packaging shell, and connecting lugs symmetrically disposed at two sides of the positioning seat, wherein leads are disposed on the pins at two ends of the reed switch respectively; the packaging shell and the positioning seat are integrally formed, a plurality of clamping plates used for fixing the packaging shell are further arranged in the opening, a positioning groove and positioning notches formed in two ends of the positioning groove are formed in the bottom of the positioning seat, and the reed pipe is packaged in the packaging shell through sealing resin.
According to the technical scheme, most of the magnetic proximity switches in the prior art are formed by packaging magnetic induction action devices (such as reed pipes or hall switches) in a packaging shell by sealing resin, no structure for positioning the magnetic induction action devices is usually arranged in the conventional packaging shell, when the magnetic induction action devices are assembled in the packaging shell, the magnetic induction action devices are prone to circumferential rotation and other position deviation, and after the magnetic induction action devices are packaged in the packaging shell by the sealing resin, the positions of the magnetic induction action devices in the packaging shell cannot be changed, the corresponding positions of induction surfaces of the magnetic induction action devices (such as end points of two reeds in the reed pipes or induction elements on the hall switches) on the packaging shell cannot be accurately judged, so that the induction surfaces on the magnetic induction action devices do not correspond to the positions of magnets on products using the magnetic proximity switches, the induction distance between the induction surfaces is far, the situation of poor induction of the magnetic proximity switches and the magnets is prone to occur, and user experience is influenced.
The utility model discloses it is not enough to solve prior art and research and propose promptly.
SUMMERY OF THE UTILITY MODEL
The package housing is provided with a positioning structure for positioning the magnetic force sensing action device, and the magnetic force sensing action device is arranged in the package housing and is positioned in the package housing.
The utility model provides a technical scheme that its technical problem adopted is:
a positioning structure applied to a magnetic proximity switch comprises a packaging shell, wherein a positioning cavity with an opening is arranged in the packaging shell, the opening is located at one end of the packaging shell, the positioning cavity is used for assembling a magnetic induction action device, the inner side wall of the packaging shell comprises a first side wall part and a second side wall part which are connected with each other, the positioning cavity is formed by enclosing the first side wall part and the second side wall part together, the second side wall part is used for carrying out directional assembly on the magnetic induction action device, and the first side wall part can be matched with the second side wall part to limit the circumferential rotation of the magnetic induction action device relative to the packaging shell; the outer side wall of the packaging shell is provided with a positioning mark corresponding to the second side wall portion, and the positioning mark can guide the orientation of an induction surface on the magnetic induction action device.
In order to ensure that the second side wall part can limit the circumferential rotation of the magnetic induction action device relative to the packaging shell, the second side wall part comprises a vertical plane side wall which is abutted against one side surface of the magnetic induction action device.
In order to ensure that the second side wall part and the first side wall part are matched to limit the circumferential rotation of the magnetic induction action device relative to the packaging shell, the first side wall part comprises an arc-shaped side wall, and two ends of the arc-shaped side wall are respectively connected with two ends of the vertical plane side wall.
In order to avoid that the magnetic induction action device is crushed by the rubber in the positioning cavity, the cross section of the structure formed by connecting the arc-shaped side wall and the vertical plane side wall is in a big-cut circle shape.
In order to further improve the limiting effect of the vertical plane side wall on the magnetic induction action device, the distance between two ends of the vertical plane side wall is R, wherein R satisfies the following condition: r is similar to the width of the magnetic induction action device.
In order to ensure that the magnetic force induction action device is accurately assembled in the positioning cavity, the maximum distance between the arc-shaped side wall and the vertical plane side wall is D, wherein D satisfies: d is smaller than the width dimension of the magnetic induction action device.
In order to ensure that the rubber material in the positioning cavity can completely cover the magnetic induction action device, the side wall of the vertical plane is provided with a material injection groove which is sunken towards the direction far away from the positioning cavity.
In order to ensure that the magnetic induction action device is accurately assembled in the positioning cavity, the maximum distance between the first side wall part and the material injection groove is T, wherein T satisfies: t is smaller than the width dimension of the magnetic induction action device.
In order to ensure that the induction surface of the magnetic induction action device is opposite to the magnet on the product, the positioning mark is a mark outer side surface parallel to the vertical plane side wall.
An electric appliance comprises an electric appliance shell and a positioning structure applied to a magnetic proximity switch, wherein the electric appliance shell is provided with an installation part matched with a positioning mark.
The utility model has the advantages that:
the utility model discloses a be applied to magnetic proximity switch's location structure and have its electrical apparatus, wherein the location structure includes the encapsulation casing, the magnetic force response action device assembles to the location intracavity through the opening on the encapsulation casing;
specifically, the inner side wall of the packaging shell comprises a first side wall portion and a second side wall portion which are connected with each other, when the packaging shell is assembled, the magnetic force induction action device can be matched with the second side wall portion so that the magnetic force induction action device is assembled in the positioning cavity in an oriented mode, when the magnetic force induction action device in the positioning cavity rotates in the circumferential direction, one side of the magnetic force induction action device abuts against the first side wall portion, the other side of the magnetic force induction action device abuts against the second side wall portion so that the magnetic force induction action device is limited to rotate in the circumferential direction relative to the packaging shell, the magnetic force induction action device cannot turn over, and the magnetic force induction action device is assembled in the positioning cavity in an oriented mode so that an induction surface on the magnetic force induction action device is arranged in the positioning cavity in an oriented mode;
then, glue filling process is carried out in the positioning cavity, so that the magnetic force induction action device is completely fixed on the packaging shell, the orientation of the induction surface is confirmed through the positioning mark corresponding to the second side wall part on the outer side wall of the packaging shell, the magnetic proximity switch is assembled on a product, the induction surface can be just opposite to the magnet, the induction distance between the two is ensured, the condition that the two are badly induced is avoided, and the normal operation of the magnetic proximity switch is ensured.
The present invention will be further described with reference to the accompanying drawings and the detailed description.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is one of the schematic top views of the present invention;
FIG. 3 isbase:Sub>A schematic cross-sectional view taken along line A-A of FIG. 2;
fig. 4 is a second schematic top view of the present invention.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 3, the positioning structure applied to the magnetic proximity switch of the present embodiment includes a package housing 1, a positioning cavity 11 is disposed in the package housing 1, the positioning cavity 11 is used for assembling a magnetic force sensing actuator, an opening communicated with the positioning cavity 11 is disposed at one end of the package housing 1, and the magnetic force sensing actuator can be assembled into the positioning cavity 11 through the opening;
specifically, the inner side wall of the package housing 1 includes a first side wall and a second side wall that are connected to each other, the positioning cavity 11 is formed by the first side wall and the second side wall that jointly enclose, and the second side wall is used for performing directional assembly on a magnetic induction actuator;
during assembly, the magnetic force induction action device can be matched with the second side wall part, so that the magnetic force induction action device is assembled in the positioning cavity 11 in an oriented mode, when the magnetic force induction action device in the positioning cavity 11 rotates in the circumferential direction, one side of the magnetic force induction action device abuts against the first side wall part, the other side of the magnetic force induction action device abuts against the second side wall part, so that the circumferential rotation of the magnetic force induction action device relative to the packaging shell 1 is limited, the magnetic force induction action device cannot turn over, and therefore the magnetic force induction action device is assembled in the positioning cavity 11 in an oriented mode, and an induction surface on the magnetic force induction action device is arranged in the positioning cavity 11 in an oriented mode;
then, a glue filling process is carried out in the positioning cavity 11, so that the magnetic induction action device is completely fixed on the packaging shell 1, and the glue in the positioning cavity 11 can press the magnetic induction action device to the second side wall part, so that the magnetic induction action device is further assembled with the second side wall part in a directional manner;
specifically, the orientation of the induction surface can be confirmed through the positioning mark 2 corresponding to the second side wall part on the outer side wall of the packaging shell 1, the induction surface of the magnetic proximity switch assembled on a product is ensured to be opposite to the magnet, the induction distance between the magnetic proximity switch and the magnet is ensured, the situation that the induction is poor is avoided, and the normal operation of the magnetic proximity switch is ensured.
As shown in fig. 1 to 3, the second side wall portion of the present embodiment includes a vertical plane side wall 3 abutting against a side surface of the magnetic force sensing actuator, when assembling, the side surface of the magnetic force sensing actuator can abut against the vertical plane side wall 3, so as to achieve directional assembling of the magnetic force sensing actuator to the positioning cavity, and during material injection, the glue material can press the magnetic force sensing actuator to the vertical plane side wall 3, so that the magnetic force sensing actuator and the vertical plane side wall 3 maintain a mutually abutting state, thereby locking an orientation of an induction surface of the magnetic force sensing actuator on the package housing, specifically, a plane of the induction surface of the magnetic force sensing actuator in the present embodiment is parallel to the second side wall portion, and a surface of the magnetic force sensing actuator abutting against the vertical plane side wall 3 is a bottom surface of the magnetic force sensing actuator.
As shown in fig. 1 to 4, the first side wall portion of this embodiment includes an arc-shaped side wall 4, two ends of the arc-shaped side wall 4 are respectively connected with two ends of the vertical plane side wall 3, so as to form a positioning cavity 11 in an enclosing manner, when a magnetic force sensing action device in the positioning cavity 11 circumferentially rotates during assembly, one side of the magnetic force sensing action device abuts against the arc-shaped side wall 4, and the other side of the magnetic force sensing action device abuts against the vertical plane side wall 3, so as to prevent the magnetic force sensing action device from overturning in the positioning cavity 11, and the magnetic force sensing action device is locked in the positioning cavity 11 through the cooperation between the arc-shaped side wall 4 and the vertical plane side wall 3;
by adopting the design, the magnetic force induction action device is close to the arc-shaped side wall 4, a certain space is formed between the arc-shaped side wall 4 and the magnetic force induction action device, so that enough insertion space is provided for the magnetic force induction action device, and the situation that the magnetic force induction action device collides with the arc-shaped side wall 4 and is damaged when being inserted into the positioning cavity is avoided;
and provide sufficient notes material space for the magnetic force response action device, can pour into more sizing materials into toward the location intracavity, and make the sizing material can wrap up the magnetic force response action device completely, ensure the steadiness of being connected between magnetic force response action device and the location chamber, and have the certain distance between arc lateral wall 4 and the magnetic force response action device, can avoid injecting glue pressure too big and cause the condition of magnetic force response action device damage to take place at the injecting glue in-process.
As shown in fig. 1 to 4, preferably, the cross-sectional shape of the structure formed by connecting the arc-shaped side wall 4 and the vertical plane side wall 3 is a major-cut circle, that is, the cross-sectional shape of the arc-shaped side wall 4 is a major arc; ensure that location chamber 11 has certain volume, have certain injecting glue space after the magnetic force response action device inserts location chamber 11, ensure the injecting glue space to and be convenient for the magnetic force response action device inserts and fixes a position the assembly in locating chamber 11.
As shown in fig. 4, the distance between the two ends of the vertical plane sidewall 3 of the present embodiment is R, where R satisfies: r is close to the width of the magnetic induction action device so as to ensure that the bottom surface of the magnetic induction action device can be abutted against the vertical plane side wall 3, and when the magnetic induction action device rotates in the circumferential direction in the positioning cavity 11, one side of the magnetic force induction action device is pressed against the joint of the vertical plane side wall 3 and the arc-shaped side wall 4, and the other side of the magnetic force induction action device is pressed against the middle section part of the arc-shaped side wall 4, so that the magnetic force induction action device is locked in the positioning cavity 11, and the limiting mode is reliable.
As shown in fig. 4, the maximum distance between the arc-shaped sidewall 4 and the vertical plane sidewall 3 of the present embodiment is D, where D satisfies: d is smaller than the width dimension of the magnetic force induction action device, preferably, the width dimension of the magnetic force induction action device is similar to that of R, namely D is smaller than R;
by adopting the design, the magnetic induction action device can be inserted into the positioning cavity only through the angle of the bottom surface of the magnetic induction action device parallel to the vertical plane side wall 3, and can not be inserted into the positioning cavity through the angle of the bottom surface of the magnetic induction action device perpendicular to the vertical plane side wall 3, so that the directional assembly effect is achieved.
As shown in fig. 1 to 4, the vertical plane sidewall 3 of this embodiment is provided with a material injection groove 31 that is recessed toward the direction away from the positioning cavity 11, and a material injection process is performed on the position where the bottom surface of the magnetic force sensing actuator abuts against the vertical plane sidewall 3 through the material injection groove 31, so that the magnetic force sensing actuator is further coated with a rubber material, and the stability of the assembly of the magnetic force sensing actuator in the positioning cavity 11 is further improved.
As shown in fig. 4, the maximum distance between the first sidewall portion and the injection groove 31 of this embodiment is T, where T satisfies: t is smaller than the width dimension of the magnetic force induction action device, preferably, the width dimension of the magnetic force induction action device is similar to R, namely T is smaller than R;
by adopting the design, even if a part of the magnetic induction action device is inserted into the material injection groove 31 by mistake, the part cannot be inserted into the positioning cavity 11 continuously, and the positioning and orientation effect of the positioning cavity 11 on the magnetic induction action device is ensured.
Preferably, the magnetically actuated device of this embodiment is a reed switch, the width dimension of which is the outermost distance between its two legs.
In another embodiment, the magnetic force sensing action device is a hall switch, and the width dimension of the hall switch is the outermost distance between the two outermost pins of the hall switch.
In another embodiment, pins at two ends of the magnetic force induction action device are welded to a circuit board, so that a circuit of the magnetic force induction action device is more stable, the width dimension of the circuit board is close to that of the magnetic force induction action device, by adopting the design, one surface of the circuit board, which is provided with the magnetic force induction action device, is a top surface of the circuit board, the surface, which is opposite to the top surface, of the circuit board is a bottom surface, the bottom surface of the circuit board is abutted against a vertical plane side wall 3, the top surface of the circuit board faces an arc side wall 4, the magnetic force induction action device on the circuit board is close to the arc side wall 4, a certain space is formed between the arc side wall 4 and the magnetic force induction action device, and a sufficient insertion space is provided for the circuit board, so that the magnetic force induction action device is prevented from colliding with the arc side wall 4 and being damaged when being inserted into a positioning cavity;
and enough material injection space is provided for the circuit board, more glue material can be injected into the positioning cavity, the glue material can completely cover the circuit board, and the connection stability between the circuit board and the positioning cavity is ensured.
As shown in fig. 1 to 2, the positioning mark 2 of the present embodiment is a mark outer side surface parallel to the vertical plane side wall 3, and a design is adopted, that is, a plane where the sensing surface of the magnetic sensing action device is located is parallel to the mark outer side surface, so that the sensing surface orientation of the magnetic sensing action device can be determined from the outside, when the magnetic proximity switch is assembled on a product, the orientation of the sensing surface can be judged through the mark outer side surface, and when the magnetic proximity switch is assembled, the sensing surface is aligned with the magnet, so as to ensure the mutual correspondence and the sensing distance between the two; or the outer side surface of the mark can be used as a mounting surface to be assembled on a product, so that the position and the orientation of the sensing surface on the product can be determined, and the mark has the advantages of simple structure and convenience in operation.
The electric appliance comprises an electric appliance shell and a positioning structure applied to the magnetic proximity switch, wherein the electric appliance shell is provided with a mounting part, and the packaging shell can be assembled on the mounting part through a positioning mark, so that the position of the induction surface of the magnetic induction action device on the electric appliance shell is determined, and the position of a magnet on the electric appliance shell is determined;
preferably, the positioning mark 2 is a mark outer side surface parallel to the vertical plane side wall 3, the mounting part is provided with an assembly plane corresponding to the mark outer side surface, and the packaging shell 1 can be abutted against the assembly plane through the mark outer side surface, so that the orientation of the induction surface on the mounting part is locked, the induction surface is aligned to the magnet, and the mutual correspondence between the induction surface and the magnet and the induction distance between the induction surface and the magnet are ensured.
The technical content of the present invention is further described by the embodiments only, so that the reader can understand it more easily, but the embodiments of the present invention are not limited thereto, and any technical extension or re-creation according to the present invention is protected by the present invention. The protection scope of the present invention is subject to the claims.
Claims (10)
1. A positioning structure applied to a magnetic proximity switch comprises a packaging shell (1), and is characterized in that: the packaging structure comprises a packaging shell (1), wherein a positioning cavity (11) with an opening is formed in the packaging shell (1), the opening is located at one end of the packaging shell (1), the positioning cavity (11) is used for assembling a magnetic induction action device, the inner side wall of the packaging shell (1) comprises a first side wall portion and a second side wall portion which are connected with each other, the positioning cavity (11) is formed by the first side wall portion and the second side wall portion in a surrounding mode, the second side wall portion is used for carrying out directional assembly on the magnetic induction action device, and the first side wall portion can be matched with the second side wall portion to limit the circumferential rotation of the magnetic induction action device relative to the packaging shell (1); the outer side wall of the packaging shell (1) is provided with a positioning mark (2) corresponding to the second side wall, and the positioning mark (2) can guide the direction of an induction surface on the magnetic induction action device.
2. The positioning structure of claim 1, wherein: the second side wall part comprises a vertical plane side wall (3) which is abutted against one side surface of the magnetic induction action device.
3. The positioning structure of claim 2, wherein: the first side wall part comprises an arc-shaped side wall (4), and two ends of the arc-shaped side wall (4) are respectively connected with two ends of the vertical plane side wall (3).
4. The positioning structure of claim 3, wherein: the cross section of the structure formed by connecting the arc-shaped side wall (4) and the vertical plane side wall (3) is in a shape of a large cutting circle.
5. The positioning structure of any one of claims 2 to 4, wherein: the distance between two ends of the vertical plane side wall (3) is R, wherein R satisfies the following conditions: r is similar to the width of the magnetic induction action device.
6. The positioning structure of claim 3, wherein: the maximum distance between the arc-shaped side wall (4) and the vertical plane side wall (3) is D, wherein D satisfies: d is smaller than the width dimension of the magnetic induction action device.
7. The positioning structure of claim 2, wherein: and the vertical plane side wall (3) is provided with a material injection groove (31) which is sunken towards the direction far away from the positioning cavity (11).
8. The positioning structure of claim 6, wherein: the maximum distance between the first side wall part and the material injection groove (31) is T, wherein T satisfies: t is smaller than the width dimension of the magnetic induction action device.
9. The positioning structure of claim 2, wherein: the positioning mark (2) is a mark outer side surface parallel to the vertical plane side wall (3).
10. An electrical appliance, characterized by: comprising an electrical appliance shell and a positioning structure applied to the magnetic proximity switch as claimed in any one of claims 1 to 9, wherein the electrical appliance shell is provided with a mounting part which can be matched with the positioning mark (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223195144.6U CN218769273U (en) | 2022-11-29 | 2022-11-29 | Positioning structure applied to magnetic proximity switch and electric appliance with positioning structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223195144.6U CN218769273U (en) | 2022-11-29 | 2022-11-29 | Positioning structure applied to magnetic proximity switch and electric appliance with positioning structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218769273U true CN218769273U (en) | 2023-03-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223195144.6U Active CN218769273U (en) | 2022-11-29 | 2022-11-29 | Positioning structure applied to magnetic proximity switch and electric appliance with positioning structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218769273U (en) |
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- 2022-11-29 CN CN202223195144.6U patent/CN218769273U/en active Active
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Effective date of registration: 20240409 Address after: 528400, 2nd Floor, Building 2, No. 8 Xingchang East Road, Jichang Village, Dongfeng Town, Zhongshan City, Guangdong Province (Residence Declaration) Patentee after: Zhongshan Ruijie Electronics Co.,Ltd. Country or region after: China Address before: 537000 No. 6, Yangcun village, Liuwu village, qintang Town, qintang District, Guigang City, Guangxi Zhuang Autonomous Region Patentee before: Yang Jinshui Country or region before: China |