CN219716749U - Mounting structure of insulating side cap and shell body and high-voltage direct-current relay - Google Patents
Mounting structure of insulating side cap and shell body and high-voltage direct-current relay Download PDFInfo
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- CN219716749U CN219716749U CN202320075954.3U CN202320075954U CN219716749U CN 219716749 U CN219716749 U CN 219716749U CN 202320075954 U CN202320075954 U CN 202320075954U CN 219716749 U CN219716749 U CN 219716749U
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- side cover
- insulating side
- mounting groove
- clamping
- insulating
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- 230000002093 peripheral effect Effects 0.000 claims abstract description 6
- 238000009434 installation Methods 0.000 description 11
- FPWNLURCHDRMHC-UHFFFAOYSA-N 4-chlorobiphenyl Chemical compound C1=CC(Cl)=CC=C1C1=CC=CC=C1 FPWNLURCHDRMHC-UHFFFAOYSA-N 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model discloses a mounting structure of an insulating side cover and an outer shell and a high-voltage direct current relay. The insulating side cover is detachably connected to the mounting groove at the peripheral side position of the outer shell through the buckle connection structure, so that the insulating side cover can cover the PCB plate mounted in the mounting groove to isolate the PCB plate from the outside for protection.
Description
Technical Field
The utility model relates to the technical field of relays, in particular to an installation structure of an insulating side cover and an outer shell and a high-voltage direct-current relay.
Background
In the technical scheme, the insulating side cover is fixedly arranged at the installation groove position at the peripheral side position of the outer shell in a screw locking mode, and the following problem exists in the fixing mode of using an M3 self-tapping screw for locking: 1. the assembler is long, 2, there is the sliding tooth risk, and 3, the screw probably pushes up and wears the shell.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a mounting structure of an insulating side cover and an outer shell, and the insulating side cover can be efficiently and conveniently mounted on a mounting groove on the periphery side of the outer shell through a buckle connection structure.
In order to achieve the above purpose, the utility model is realized by the following technical scheme:
the utility model provides a mounting structure of insulating side cap and shell body, is applied to the HVDC relay, including the shell body and the insulating side cap of HVDC relay, be formed with a mounting groove position in the week side position department of shell body, the insulating side cap is configured to be connected in mounting groove position department in order to cover the PCB board formation of installing in the mounting groove position through buckle connection structure detachably.
Further, be provided with a plurality of card archs on the mounting groove position, offered a plurality of card holes that correspond to the card arch and set up on insulating side cap, insulating side cap passes through the card protruding and the buckle cooperation detachably of card hole is connected in mounting groove position department.
Further, at least a pair of clamping protrusions are respectively arranged on the upper side and the lower side of the mounting groove, the insulating side cover comprises a top plate, a bottom plate and a side plate connected between the top plate and the bottom plate, at least a pair of clamping holes are respectively formed in the top plate and the bottom plate of the insulating side cover, the insulating side cover is detachably connected to the mounting groove of the outer shell body through the clamping protrusions and the clamping holes which are correspondingly arranged, and then the mounting groove is sealed to cover the PCB plate mounted in the mounting groove.
Furthermore, an avoidance groove which is convenient for the clamping protrusion to be clamped into the corresponding clamping hole is formed on the top plate and/or the bottom plate of the insulating side cover, and a wedge-shaped guide surface and/or a guide inclined surface structure is formed at the matching surface of the clamping protrusion in the avoidance groove.
Further, the insulating side cover is configured to be clamped at the mounting groove position from the side direction relative to the outer shell so as to form a transverse assembly structure.
Further, a guide structure for guiding the insulating side cover to be clamped into the mounting groove from the lateral direction is arranged between the mounting groove and the insulating side cover.
Further, be provided with a plurality of direction chimb on the mounting groove position, be equipped with the guide groove that corresponds the setting with the direction chimb on insulating side cap, the direction chimb forms guide structure with the guide groove counter-insert cooperation that corresponds.
Further, the two inner side edges of the installation groove are provided with longitudinal slots for positioning the PCB, the PCB is configured to be inserted into the longitudinal slots from top to bottom so as to be fixed in the installation groove, and two clamping protrusions at the bottom side of the installation groove are respectively arranged up and down corresponding to the bottoms of the two longitudinal slots.
Further, a plurality of positioning columns protruding transversely are arranged in the mounting groove, a plurality of positioning holes which are respectively arranged corresponding to the positioning columns are formed in the PCB, and the PCB is fixedly mounted in the mounting groove through positioning matching of the positioning holes and the positioning columns.
Based on the same conception, the utility model also provides a high-voltage direct-current relay which comprises the installation structure of the insulating side cover and the outer shell.
The technical scheme has the following advantages or beneficial effects:
in the mounting structure of the insulating side cover and the outer shell and the high-voltage direct current relay, the insulating side cover is detachably connected to the mounting groove at the peripheral side position of the outer shell through the buckle connection structure, so that the PCB plate mounted in the mounting groove is covered by the insulating side cover to isolate the PCB plate from the outside for protection.
Drawings
Fig. 1 is an exploded view of an outer case and an insulating side cover of a high voltage dc relay according to an embodiment of the present utility model.
Fig. 2 is a schematic perspective view of an outer housing according to a first embodiment of the present utility model.
Fig. 3 is a schematic perspective view of an insulating side cover according to a first embodiment of the present utility model.
Fig. 4 is a top view showing an assembly structure of an insulating side cover and an outer case according to a first embodiment of the present utility model.
Fig. 5 is a cross-sectional view A-A of fig. 4.
Fig. 6 is another exploded view of the outer case and the insulating side cover of the high voltage dc relay according to the first embodiment of the present utility model.
Fig. 7 is an exploded view of an outer case and an insulating side cover of a high voltage dc relay according to a second embodiment of the present utility model.
Fig. 8 is a mounting structure of an insulating side cover and an outer case of a related art high voltage direct current relay.
Description of the reference numerals:
1. the device comprises an outer shell, 2, an insulating side cover, 3, a PCB (printed circuit board), 11, a mounting groove, 21, a clamping hole, 22, an avoidance groove, 23, a guide groove, 31, a positioning hole, 111, a clamping protrusion, 112, a guide convex edge, 113, a longitudinal slot, 114 and a positioning column.
Detailed Description
The utility model is further described below with reference to the drawings and examples.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Example 1
Referring to fig. 1 to 6, an embodiment of the present utility model provides a mounting structure of an insulating side cover and an outer housing, which is applied to a high voltage dc relay, and includes an outer housing 1 and an insulating side cover 2 of the high voltage dc relay, wherein a mounting slot 11 is formed at a peripheral position of the outer housing 1, and the insulating side cover 2 is configured to be detachably connected at the mounting slot 11 by a snap connection structure to cover a PCB 3 mounted in the mounting slot 11. It can be appreciated that in this embodiment, the insulating side cover 2 is detachably connected to the mounting groove 11 at the peripheral side position of the outer casing 1 through the buckle connection structure, so that the insulating side cover 2 covers the PCB board 3 mounted in the mounting groove 11 to isolate the PCB board from the outside for protection, and compared with the fixing mode of the insulating side cover 2 in the prior art through screw locking, the buckle connection mode is used to effectively improve the mounting convenience of the insulating side cover 2 at the mounting groove 11 and the mounting efficiency of the insulating side cover, and meanwhile, the risk of screw locking sliding teeth and jacking the outer casing 1 is avoided.
Referring to fig. 1 to 6, in a preferred embodiment, a plurality of clamping protrusions 111 are disposed on the mounting slot 11, a plurality of clamping holes 21 corresponding to the clamping protrusions 111 are disposed on the insulating side cover 2, and the insulating side cover 2 is detachably connected to the mounting slot 11 through the snap fit between the clamping protrusions 111 and the clamping holes 21. In one preferred embodiment, at least one pair of clamping protrusions 111 are preferably disposed on the upper side and the lower side of the mounting slot 11, the insulating side cover 2 includes a top plate, a bottom plate and a side plate connected between the top plate and the bottom plate, at least one pair of clamping holes 21 are respectively disposed on the top plate and the bottom plate of the insulating side cover 2, the insulating side cover 2 is detachably connected to the mounting slot 11 of the outer housing 1 through the clamping protrusions 111 and the clamping holes 21 correspondingly disposed, and the mounting slot 11 is further closed to cover the PCB board 3 mounted in the mounting slot 11. However, it should be understood by those skilled in the art that, in other embodiments, the arrangement positions and the arrangement number of the card protrusions 111 and the card holes 21 are not limited to the specific implementation manner disclosed in this embodiment, and other numbers of the card protrusions 111 and the card holes 21 may be provided, so long as the insulating side cover 2 is detachably connected at the mounting slot 11 of the outer case 1 through a snap connection structure formed by mating the card protrusions 111 with the corresponding card holes 21. In addition, the specific structure of the insulating side cover 2 is not limited to the specific embodiment disclosed in this embodiment, the side plates may be provided on the corresponding side wings on the left and right sides of the mounting slot 11, the clamping holes 21 may be provided on the side wings, and the clamping protrusions 111 may be provided on the left and right sides of the mounting slot 11, so that the insulating side cover 2 may be detachably connected to the mounting slot 11 through the snap fit of the side clamping protrusions 111 and the corresponding clamping holes 21.
Referring to fig. 3, in a preferred embodiment, a top plate and/or a bottom plate of the insulating side cover 2 are provided with avoiding grooves 22 for facilitating the clamping of the clamping protrusions 111 into the corresponding clamping holes 21, and guiding inclined structures are formed at the positions of the wedge-shaped guiding surfaces and/or the matching surfaces of the clamping protrusions 111 in the avoiding grooves 22, so that the clamping protrusions 111 can slide into the corresponding clamping holes 21 more smoothly. It can be appreciated that in this embodiment, the protruding portion 111 of the mounting groove 11 can be pushed into the inner side of the insulating side cover 2 more smoothly through the avoiding groove 22 on the insulating side cover 2, and then the insulating side cover 2 is slightly deformed through the wedge-shaped guiding surface, so that when the insulating side cover 2 is pushed in continuously, the protruding portion 111 is better snapped into the corresponding clipping hole 21 to form a clipping fit, thereby being beneficial to improving the smoothness of assembling the insulating side cover 2 and the outer casing 1.
Referring to fig. 1, in a preferred embodiment, the insulating side cover 2 is configured to be laterally clamped to the mounting slot 11 with respect to the outer housing 1 to form a transverse assembly structure. In one preferred embodiment, a guide structure for guiding the insulating side cover 2 to be locked into the mounting groove 11 from the side is preferably provided between the mounting groove 11 and the insulating side cover 2. In one preferred embodiment, a plurality of guide convex edges 112 are preferably arranged on the mounting groove 11, and guide grooves 23 corresponding to the guide convex edges 112 are arranged on the insulating side cover 2, and the guide convex edges 112 and the corresponding guide grooves 23 are matched in an opposite-insertion way to form a guide structure. However, it should be understood by those skilled in the art that, in other embodiments, the specific structure and arrangement of the guiding structure are not limited to the specific embodiments disclosed in this embodiment, and the corresponding ribs and slot structures may be respectively provided on the insulating side cover 2 and the mounting slot 11, or the positions of the guiding convex edges and the guiding grooves may be exchanged, so long as the guiding function can be played for the process of clamping the insulating side cover 2 into the mounting slot 11 from the side direction, so as to improve the assembly accuracy and the clamping stability of the insulating side cover 2 and the mounting slot 11.
Referring to fig. 2, in a preferred embodiment, longitudinal slots 113 for positioning the PCB 3 are provided at both inner sides of the mounting slot 11, and the PCB 3 is configured to be inserted into the longitudinal slots 113 from top to bottom and then fixed in the mounting slot 11. In this embodiment, preferably, the two clamping protrusions 111 located at two sides of the bottom of the installation slot 11 are disposed to correspond to the longitudinal slot 113 up and down, and the two clamping protrusions 111 at the top side of the installation slot 11 are closer to the outer shell 1 than the two clamping protrusions 111 at the bottom side of the installation slot 11, so that when the insulating side cover 2 is assembled to the outer shell 1, the two clamping holes 21 at the lower part of the insulating side cover 2 are aligned with the two clamping protrusions 111 at the bottom of the installation slot 11 to be matched together, and then the two clamping holes 21 at the slightly inclined upper end of the insulating side cover 2 are pressed inwards to be matched with the two clamping protrusions 111 at the upper end of the installation slot 11 by slightly applying force under the matching of the guide slope structures of the avoidance slot 22 and the wedge-shaped guide surfaces and/or the matching surfaces of the clamping protrusions 111. In this embodiment, the locking protrusions 111 at the upper and lower ends of the mounting groove 11 are staggered up and down, so that the locking protrusions 111 at the lower end are located outside, and the locking protrusions 111 at the upper end are located further inside, so that on one hand, the assembly smoothness of the insulating side cover 2 can be improved, and on the other hand, the assembly reliability of the insulating side cover 2 and the outer casing 1 can also be improved.
In addition, an embodiment of the present utility model further provides a high-voltage dc relay, including the mounting structure of the insulating side cover and the outer case of any one of the above embodiments.
Example two
Referring to fig. 7, the difference between the present embodiment and the first embodiment is that a plurality of positioning posts 114 protruding transversely are disposed in the mounting slot 11, a plurality of positioning holes 31 are disposed on the PCB 3 and are respectively disposed corresponding to the positioning posts 114, and the PCB 3 is fixedly mounted in the mounting slot 11 through positioning cooperation between the positioning holes 31 and the positioning posts 114.
The embodiments are merely illustrative of the technical solution of the present utility model, and not limiting thereof; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some of the technical features thereof can be replaced with equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model, and therefore all other embodiments obtained by those skilled in the art without making creative efforts are intended to fall within the protection scope of the present utility model.
Claims (10)
1. The utility model provides an insulating side cap and mounting structure of shell body, is applied to in the high voltage direct current relay, its characterized in that: the high-voltage direct-current relay comprises an outer shell (1) and an insulating side cover (2), wherein a mounting groove (11) is formed at the peripheral side position of the outer shell (1), and the insulating side cover (2) is detachably connected with the mounting groove (11) through a buckle connection structure to cover a PCB (3) mounted in the mounting groove (11).
2. The mounting structure of an insulating side cover and an outer case according to claim 1, wherein: a plurality of clamping protrusions (111) are arranged on the mounting groove (11), a plurality of clamping holes (21) which are arranged corresponding to the clamping protrusions (111) are formed in the insulating side cover (2), and the insulating side cover (2) is detachably connected to the mounting groove (11) through the clamping protrusions (111) and the clamping holes (21) in a clamping fit mode.
3. The mounting structure of an insulating side cover and an outer case according to claim 2, wherein: at least a pair of clamping protrusions (111) are respectively arranged on the upper side and the lower side of the mounting groove (11), the insulating side cover (2) comprises a top plate, a bottom plate and a side plate connected between the top plate and the bottom plate, at least a pair of clamping holes (21) are respectively arranged at the top plate and the bottom plate of the insulating side cover (2), the insulating side cover (2) is detachably connected to the mounting groove (11) of the outer shell (1) through the clamping protrusions (111) and the clamping holes (21) which are respectively arranged correspondingly in a clamping mode, and then the mounting groove (11) is sealed to cover the PCB (3) mounted in the mounting groove (11).
4. The mounting structure of an insulating side cover and an outer case according to claim 3, wherein: an avoidance groove (22) which is convenient for the clamping convex (111) to be clamped into the corresponding clamping hole (21) is formed on the top plate and/or the bottom plate of the insulating side cover (2), and a wedge-shaped guide surface and/or a guide inclined surface structure is formed at the matching surface of the clamping convex (111) in the avoidance groove (22).
5. The mounting structure of an insulating side cover and an outer case according to claim 2, wherein: the insulating side cover (2) is configured to be clamped at the mounting groove (11) from the side direction relative to the outer shell (1) so as to form a transverse assembly structure.
6. The mounting structure of an insulating side cover and an outer case according to claim 5, wherein: a guide structure for guiding the insulating side cover (2) to be clamped into the mounting groove (11) from the side direction is arranged between the mounting groove (11) and the insulating side cover (2).
7. The mounting structure of an insulating side cover and an outer case according to claim 6, wherein: a plurality of guide convex edges (112) are arranged on the mounting groove (11), guide grooves (23) which are arranged corresponding to the guide convex edges (112) are arranged on the insulating side cover (2), and the guide convex edges (112) are matched with the corresponding guide grooves (23) in an opposite-inserting way to form a guide structure.
8. The mounting structure of the insulating side cover and the outer case according to any one of claims 3 to 7, wherein: longitudinal slots (113) for positioning the PCB (3) are formed in the two inner side edges of the mounting groove (11), the PCB (3) is configured to be inserted into the longitudinal slots (113) from top to bottom so as to be fixed in the mounting groove (11), two clamping protrusions (111) on the bottom side of the mounting groove (11) are respectively arranged up and down corresponding to the bottoms of the two longitudinal slots (113), and the two clamping protrusions (111) on the top side of the mounting groove (11) are closer to the outer shell (1) inwards than the two clamping protrusions (111) on the bottom side of the mounting groove (11).
9. The mounting structure of an insulating side cover and an outer case according to any one of claims 1 to 7, wherein: a plurality of positioning columns (114) protruding transversely are arranged in the mounting groove (11), a plurality of positioning holes (31) which are respectively arranged corresponding to the positioning columns (114) are formed in the PCB (3), and the PCB (3) is fixedly mounted in the mounting groove (11) through positioning matching of the positioning holes (31) and the positioning columns (114).
10. A high-voltage direct current relay is characterized in that: a mounting structure comprising the insulating side cover and the outer case of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320075954.3U CN219716749U (en) | 2023-01-10 | 2023-01-10 | Mounting structure of insulating side cap and shell body and high-voltage direct-current relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320075954.3U CN219716749U (en) | 2023-01-10 | 2023-01-10 | Mounting structure of insulating side cap and shell body and high-voltage direct-current relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219716749U true CN219716749U (en) | 2023-09-19 |
Family
ID=87980131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320075954.3U Active CN219716749U (en) | 2023-01-10 | 2023-01-10 | Mounting structure of insulating side cap and shell body and high-voltage direct-current relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219716749U (en) |
-
2023
- 2023-01-10 CN CN202320075954.3U patent/CN219716749U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |