CN211265790U - Bottom box - Google Patents
Bottom box Download PDFInfo
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- CN211265790U CN211265790U CN201922019700.6U CN201922019700U CN211265790U CN 211265790 U CN211265790 U CN 211265790U CN 201922019700 U CN201922019700 U CN 201922019700U CN 211265790 U CN211265790 U CN 211265790U
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- threaded disc
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Abstract
The utility model is suitable for an electrical connection technical field provides a bottom box, include: a bottom case; the rotary threaded disc is provided with a plurality of threaded holes in the circumferential direction; and the anti-falling mechanism is used for preventing the threaded disc from falling off from the bottom shell. The utility model discloses a set up rotatable screw thread dish to a plurality of screw holes of circumference arrangement on the screw thread dish for the installation switch socket, after one of them screw hole slips the tooth, rotates the screw thread dish, makes another screw hole just with switch socket's mounting hole, has restoreed end box in other words, and this restoration mode easy operation, and can guarantee the quality of end box.
Description
Technical Field
The utility model belongs to the technical field of electrical connection, especially, relate to a bottom box.
Background
The bottom box is used for installing a wall switch socket, is generally buried in a wall body and is fixed by cement. When the wall switch socket is installed, the wall switch socket needs to be fixed on the bottom box through screws, and in order to improve the working efficiency, electric tools are generally adopted to lock and protect the screws.
However, since the distance between the wall switch socket and the bottom case is relatively long, the electric tools for screw locking and protecting, such as an electric screwdriver and a pistol drill, have high rotating speed and large torque force, and can easily make the threaded hole on the bottom case smooth, and the wall switch socket and the bottom case are fixed due to the smooth teeth of the bottom case. At this time, the wall body must be damaged to replace the bottom box, or the repair stay bar must be purchased to repair the bottom box.
However, when the bottom box is replaced, the wall body needs to be damaged, the old bottom box is pried out, a new bottom box is buried, and cement workers are done again, so that time and financial resources are wasted; the repair stay bar is not easy to purchase, the universality is poor, whether the installation is firm or not can not be guaranteed, and certain potential safety hazards exist. Whether the bottom box is replaced or the support rod is purchased for repair, the bottom box is difficult to repair, and the quality is not easy to ensure.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides a bottom box aims at solving the difficult prosthetic problem of bottom box smooth tooth back.
The embodiment of the utility model provides a realize like this, a bottom case, include:
the bottom shell is provided with an installation part;
the threaded disc is rotatably arranged on the mounting part, and a plurality of threaded holes are circumferentially distributed in the threaded disc;
and the anti-falling mechanism is used for preventing the threaded disc from falling off from the bottom shell.
Furthermore, a first limiting part is arranged on the side wall of the mounting part, and second limiting parts which are in one-to-one correspondence with the threaded holes are circumferentially arranged on the side wall of the threaded disc;
the bottom box further comprises an elastic piece, the threaded disc is installed on the installation portion, and then under the action of the elastic piece, the first limiting portion is matched with one of the second limiting portions to prevent the threaded disc from rotating.
Furthermore, the second limiting part extends from the top of the threaded disc to the bottom of the threaded disc, and the elastic part is arranged at the bottom of the threaded disc.
Furthermore, the installation part bottom wall is provided with a shaft hole, and the bottom surface of the threaded disc is provided with a rotating shaft.
Furthermore, the anti-disengaging mechanism comprises an anti-disengaging groove arranged on the rotating shaft and a buckling part arranged at the bottom of the shaft hole, the buckling part is buckled in the anti-disengaging groove and abuts against the lower wall of the anti-disengaging groove, and a movable space is arranged between the buckling part and the upper wall of the anti-disengaging groove.
Furthermore, the buckling part is annular, and the edge of the inner wall is provided with a notch.
Further, the end of the rotating shaft is provided with a guide portion.
Furthermore, the elastic piece is sleeved on the rotating shaft.
Furthermore, the distance between the bottom of the first limiting part and the bottom wall of the mounting part is greater than the height of the threaded disc.
Still further, still include the visor that sets up on the drain pan.
The utility model discloses a set up rotatable screw thread dish to a plurality of screw holes of circumference arrangement on the screw thread dish for the installation switch socket, after one of them screw hole slips the tooth, rotates the screw thread dish, makes another screw hole just with switch socket's mounting hole, has restoreed end box in other words, and this restoration mode easy operation, and can guarantee the quality of end box.
Drawings
Fig. 1 is a perspective structural view provided in an embodiment of the present invention;
fig. 2 is an exploded view of an embodiment of the present invention;
fig. 3 is a schematic cross-sectional view provided by an embodiment of the present invention;
fig. 4 is a perspective structural view of a threaded disc provided in an embodiment of the present invention;
fig. 5 is a three-dimensional structure diagram of a bottom case provided in the embodiment of the present invention;
fig. 6 is a perspective view of another view angle of the bottom case according to the embodiment of the present invention;
fig. 7 is a perspective view of another embodiment of the present invention.
In the figure, 1, a bottom shell; 11. an installation part; 111. a mounting portion side wall; 112. a mounting portion bottom wall; 12. a first limiting part; 13. a shaft hole; 14. a buckling part; 141. a notch; 2. a threaded disc; 21. a threaded hole; 22. A second limiting part; 23. a rotating shaft; 231. a drop-proof groove; 232. a guide section; 3. an elastic member; 4. a protective cover.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the utility model, a screw thread disc 2 which can be rotatably arranged on the mounting part 11 is arranged, and a plurality of screw thread holes 21 are circumferentially distributed on the screw thread disc 2; an anti-falling mechanism for preventing the thread disc 2 from falling off the bottom shell 1 is arranged; an elastic member 3 is provided against the bottom surface of the threaded disc 2; the mounting portion side wall 111 is provided with a first limiting portion 12, and second limiting portions 22 corresponding to the threaded holes 21 one by one are circumferentially arranged on the side wall of the threaded disc 2. The utility model discloses a set up rotatable screw thread dish 2 to a plurality of screw holes 21 of circumference arrangement on screw thread dish 2 for the installation switch socket, after one of them screw hole 21 slips the tooth, rotate screw thread dish 2, make another screw hole 21 just with switch socket's mounting hole, repaired end box in other words, this repair mode easy operation, and can guarantee the quality of end box.
Example one
As shown in fig. 1-5, the present invention provides a bottom case, comprising: the bottom shell 1 is provided with an installation part 11; the threaded disc 2 is rotatably arranged on the mounting part 11, and a plurality of threaded holes 21 are circumferentially distributed in the threaded disc 2; and the anti-falling mechanism is used for preventing the threaded disc 2 from falling off the bottom shell 1.
The utility model discloses a set up rotatable screw thread dish to a plurality of screw holes of circumference arrangement on the screw thread dish for the installation switch socket, after one of them screw hole slips the tooth, rotates the screw thread dish, makes another screw hole just with switch socket's mounting hole, has restoreed end box in other words, and this restoration mode easy operation, and can guarantee the quality of end box.
In an optional embodiment of the present invention, in order to more conveniently align the threaded hole with the mounting hole of the switch socket, the mounting portion sidewall 111 is provided with a first limiting portion 12, and second limiting portions 22 corresponding to the threaded holes 21 one by one are circumferentially arranged on the sidewall of the threaded plate 2; the bottom box further comprises an elastic part 3, after the threaded disc 2 is installed on the installation part 11, under the action of the elastic part 3, the first limiting part 12 is matched with one of the second limiting parts 22 to prevent the threaded disc 2 from rotating, and the corresponding threaded hole 21 on the threaded disc 2 and the installation hole of the switch socket are concentric; after the threaded disc 2 is pressed to separate the first limiting part 12 from the second limiting part 22, the threaded disc 2 can rotate, and the threaded hole 21 can be switched.
The elastic member 3 may be a compression spring or other elastic body.
Furthermore, the second limiting portion extends from the top of the threaded disc 2 to the bottom of the threaded disc 2, and the elastic member 3 is disposed at the bottom of the threaded disc 2. Elastic component 3 locates 2 bottoms of screw thread dish, has the holding power to screw thread dish 2, makes first spacing portion 12 card go into the spacing portion 22 of second, prevents screw thread dish 2 and rotates, and at this moment, screw thread dish 2 is last corresponding screw hole 21 is with the center pin with switch socket's mounting hole. When the threaded disc 2 is installed, the first limit part 12 is clamped into the second limit part 22 from the bottom of the threaded disc 2, after the threaded disc 2 is installed, a user presses the threaded disc 2, the threaded disc 2 moves downwards, the elastic piece 3 is compressed, the first limit part 12 is separated from the second limit part 22 from the top of the threaded disc 2, the threaded disc 2 is rotated again, the threaded hole 21 is switched, the other threaded hole 21 is aligned with the installation hole of the switch socket, the external force for pressing the threaded disc 2 is removed again, the elastic piece 3 is elastically restored, the first limit part 12 is clamped into the second limit part 22, and the threaded disc 2 is prevented from rotating.
The threaded disc 2 can be made of metal material, or plastic material such as PC, PC + ABS, etc. The first limiting part 12 is a limiting rib or a limiting lug arranged on the side wall 111 of the mounting part, the second limiting part 22 is a limiting groove arranged on the side wall of the threaded disc 2, and when the first limiting part 12 is matched with the second limiting part 22, the limiting rib or the limiting lug is inserted into the limiting groove.
Furthermore, a hole groove can be formed in the side wall 111 of the mounting portion, the elastic element 3 and the ball are sequentially placed in the hole groove, a part of the ball is exposed out of the side wall 111 of the mounting portion to serve as a first limiting portion 12, one end of the elastic element 3 abuts against the bottom wall of the hole groove, and the other end of the elastic element abuts against the ball; the side wall of the threaded disc 2 is provided with a limit groove or a limit hole as a second limit part 22. When the corresponding threaded hole 21 on the threaded disc 2 and the mounting hole of the switch socket are concentric, the ball is clamped into the limiting groove or the limiting hole under the action of the elastic element 3, the part of the ball exposed out of the side wall 111 of the mounting part is clamped into the other limiting groove or the other limiting hole when the threaded hole 21 needs to be switched, the threaded disc 2 is rotated by a preset angle, the part of the ball exposed out of the side wall 111 of the mounting part is clamped into the other limiting groove or the other limiting hole, the other corresponding threaded hole 21 on the threaded disc 2 and the mounting hole of the switch socket are concentric, and the switching of the threaded hole 21 is completed.
One second limiting part 22 corresponds to one threaded hole 21, and when the first limiting part 12 is placed in any one of the second limiting parts 22, the corresponding threaded hole 21 on the threaded disc 2 and the mounting hole of the switch socket are concentric with each other, so that screws can conveniently enter the threaded holes 21 from the mounting holes, and the switch socket is fixedly mounted on the bottom box.
Furthermore, the plurality of threaded holes 21 and the second limiting portion 22 are evenly distributed at intervals in the circumferential direction. The number of the threaded holes 21 and the second limiting portions 22 is not limited, and may be four, five or other numbers, the number of the threaded holes 21 is equal to the number of the second limiting portions 22, and the threaded holes may be circumferentially uniformly arranged, or may be non-uniformly arranged.
Further, the threaded hole 21 is a guide threaded hole 21. The guiding threaded hole 21 is characterized in that the end part of the threaded hole 21 is provided with a guiding surface, a screw enters the threaded hole 21 from the mounting hole, and if slight dislocation exists between the mounting hole and the threaded hole 21, the screw can smoothly enter the threaded hole 21 through the guiding surface.
Further, the distance between the bottom of the first position-limiting part 12 and the bottom wall 112 of the mounting part is greater than the height of the threaded disc 2. After the threaded disc 2 is mounted on the mounting part 11, under the action of the elastic part 3, the threaded disc 2 moves upwards, the first limiting part 12 is placed in one of the second limiting parts 22, and the corresponding threaded hole 21 on the threaded disc 2 and the mounting hole of the switch socket are concentric; pressing the threaded disc 2, compressing the elastic part 3, making the first limit part 12 break away from the second limit part 22, the threaded disc 2 is located between the bottom of the first limit part 12 and the bottom wall 112 of the installation part, the threaded disc 2 has no limit or interference, and the threaded disc 2 can rotate in the installation part 11.
During the equipment, place elastic component 3 in installation department 11 earlier, elastic component 3 can place on installation department diapire 112, and the spacing portion 22 of a second of screw thread dish 2 aligns first spacing portion 12 again, installs screw thread dish 2 in installation department 11, makes elastic component 3 support and leans on screw thread dish 2 bottom surface to it is spacing to the direction at rotation axis 23 through anti-disengaging mechanism, prevents that screw thread dish 2 from droing from drain pan 1.
When in use, if one threaded hole 21 is threaded smoothly, the threaded disc 2 is pressed to compress the elastic element 3, so that the second limiting part 22 moves downwards, thereby separating the first position-limiting part 12 from the second position-limiting part 22, the threaded disc 2 is positioned between the bottom of the first position-limiting part 12 and the bottom wall 112 of the mounting part, further, the threaded disc 2 has no position limitation or interference, the threaded disc 2 is rotated to make the other second position-limiting part 22 align with the first position-limiting part 12, then the threaded disc 2 is loosened, under the action of the elastic element 3, the threaded disc 2 moves upwards to make the first limit part 12 match with the second limit part 22, the threaded disc 2 is limited, at the moment, the threaded disc 2 cannot rotate any more, the corresponding threaded hole 21 in the threaded disc 2 and the mounting hole of the switch socket are concentric, switching of the threaded hole 21 is completed, the screw can be in threaded connection with the new threaded hole 21 through the mounting hole, and the switch socket is locked on the bottom box.
Through setting up rotatable screw thread dish 2 to circumference arranges a plurality of screw holes 21 and with the spacing portion 22 of screw hole 21 one-to-one second on screw thread dish 2, the cooperation of the spacing portion 22 of rethread first spacing portion 12 and second makes screw hole 21 and switch socket's mounting hole with the center pin, be used for installing the switch socket, after this screw hole 21 slips the tooth, rotate screw thread dish 2, make another screw hole 21 and switch socket's mounting hole with the center pin, equal to repaired end box, this repair mode easy operation, and can guarantee the quality of end box.
Example two
As shown in fig. 2-6, in an alternative embodiment of the present invention, the mounting portion bottom wall 112 is provided with a shaft hole 13, and the bottom surface of the threaded disc 2 is provided with a rotating shaft 23. After the rotating shaft 23 is inserted into the shaft hole 13, the screw plate 2 rotates around the rotating shaft 23.
At this time, it should be clear that, in all the embodiments, the distance between the bottom of the first position-limiting portion 12 and the bottom wall 112 of the mounting portion is greater than the height of the threaded disc 2, and the height of the threaded disc 2 does not include the height of the rotating shaft 23.
Furthermore, the anti-slip mechanism includes an anti-slip groove 231 disposed on the rotating shaft 23 and a locking portion 14 disposed at the bottom of the shaft hole 13, the locking portion 14 is locked in the anti-slip groove 231, the locking portion 14 abuts against the lower wall of the anti-slip groove 231, and a movable space is disposed between the locking portion 14 and the upper wall of the anti-slip groove 231.
After assembly, under the action of the restoring force of the elastic element 3, the threaded disc 2 moves upwards, when the lower wall of the anti-release groove 231 abuts against the retaining part 14, the threaded disc 2 stops moving, and the lower wall of the anti-release groove 231 abuts against the retaining part 14, so that the threaded disc 2 is prevented from falling off the bottom shell 1; when the threaded disc 2 is pressed, the elastic member 3 is compressed to move the threaded disc 2 and the rotating shaft 23 downward, and at this time, since a movable space is provided between the latching portion 14 and the upper wall of the anti-drop groove 231, the relative movement between the latching portion 14 and the rotating shaft 23 does not interfere.
Furthermore, the elastic element 3 is a spring, and is sleeved on the rotating shaft 23.
During the assembly, establish elastic component 3 cover earlier on pivot 23, in inserting pivot 23 part in shaft hole 13 again, aim at first spacing portion 12 with a second spacing portion 22 of screw thread dish 2 again to press screw thread dish 2, make 23 tip of pivot extrusion detain position 14 and make detain position 14 plastic deformation, and then pass detain position 14, at this moment, detain position 14 and detain in the anticreep groove 231, prevent that screw thread dish 2 from coming off from drain pan 1, screw thread dish 2 is installed in installation department 11, and elastic component 3 one end is supported and is leaned on screw thread dish 2 bottom surface, and the other end supports and leans on installation department diapire 112 or support and detain position 14.
In order to make the threaded disc 2 more firmly fixed on the bottom case 1, further, the buckling part 14 is annular, and the anti-drop groove 231 is also an annular groove; the edge of the inner wall of the buckling part 14 may be provided with a notch 141, so that when the end of the rotating shaft 23 presses the buckling part 14 and the buckling part 14 is plastically deformed, the buckling part 14 has elasticity and is more easily deformed, so that the end of the rotating shaft 23 can more easily pass through the buckling part 14.
Further, the end of the rotating shaft 23 is provided with a guide 232. The guiding portion 232 is a guiding conical surface disposed at the end of the rotating shaft 23, and when the end of the rotating shaft 23 presses the positioning portion 14, the opening of the positioning portion 14 gradually increases, and the plastic deformation is more uniform and smooth.
EXAMPLE III
In an optional embodiment of the present invention, the mounting portion bottom wall 112 is provided with a rotating shaft, and the middle of the threaded disc 2 is provided with a shaft hole. After the rotating shaft is inserted into the shaft hole, the thread disc 2 rotates around the rotating shaft. The height of pivot is greater than the degree of depth in shaft hole, and the tip of pivot is provided with the elasticity back-off, and the elasticity back-off constitutes anti-disengaging mechanism, colludes the top surface of buckleing at threaded disc 2.
During the equipment, place elastic component 3 in the installation department earlier, elastic component 3 can be placed on installation department diapire 112, and with the spacing portion 22 of a second of screw thread dish 2 aim at first spacing portion 12 again, install screw thread dish 2 in installation department 11, make elastic component 3 support and lean on screw thread dish 2 bottom surface, the shaft hole is passed in the pivot to top surface through elasticity back-off thread dish 2, it is spacing at rotatory axial direction, prevent that screw thread dish 2 from droing from drain pan 1.
Example four
In an alternative embodiment of the invention, as shown in fig. 7, the bottom case further comprises a protective cover 4 disposed on the bottom case 1. Because of the installation is accomplished in the general fitment earlier stage of end box, decoration process time all is longer, and dust or other debris jam screw hole 21, hard thing striking lead to the damaged scheduling problem of screw hole 21 in the centre can appear, the utility model discloses increase visor 4 design to can effectually prevent that dust or other debris from blockking up screw hole 21, hard thing striking lead to the damaged scheduling problem of screw hole 21.
The utility model discloses a set up rotatable screw thread dish 2 to a plurality of screw holes 21 of circumference arrangement on screw thread dish 2 for the installation switch socket, after one of them screw hole 21 slips the tooth, rotate screw thread dish 2, make another screw hole 21 just with switch socket's mounting hole, repaired end box in other words, this repair mode easy operation, and can guarantee the quality of end box. Through setting up rotatable screw thread dish 2 to circumference arranges a plurality of screw holes 21 and with the spacing portion 22 of screw hole 21 one-to-one second on screw thread dish 2, the cooperation of the spacing portion 22 of rethread first spacing portion 12 and second makes screw hole 21 and switch socket's mounting hole with the center pin, be used for installing the switch socket, after this screw hole 21 slips the tooth, rotate screw thread dish 2, make another screw hole 21 and switch socket's mounting hole with the center pin, equal to repaired end box, this repair mode easy operation, and can guarantee the quality of end box. The utility model discloses increase the design of visor 4 to can effectually prevent that dust or other debris from blockking up screw hole 21, hard thing striking lead to the damaged scheduling problem of screw hole 21.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A back box, comprising:
the bottom shell is provided with an installation part;
the threaded disc is rotatably arranged on the mounting part, and a plurality of threaded holes are circumferentially distributed in the threaded disc;
and the anti-falling mechanism is used for preventing the threaded disc from falling off from the bottom shell.
2. The back box according to claim 1, wherein a first limiting part is arranged on the side wall of the mounting part, and second limiting parts which correspond to the threaded holes one by one are circumferentially arranged on the side wall of the threaded disc;
the bottom box further comprises an elastic piece, the threaded disc is installed on the installation portion, and then under the action of the elastic piece, the first limiting portion is matched with one of the second limiting portions to prevent the threaded disc from rotating.
3. The back box according to claim 2, wherein the second position-limiting portion extends from the top of the threaded plate to the bottom of the threaded plate, and the elastic member is disposed at the bottom of the threaded plate.
4. The back box according to claim 2, wherein the bottom wall of the mounting portion is provided with a shaft hole, and the bottom surface of the threaded plate is provided with a rotating shaft.
5. The bottom case as claimed in claim 4, wherein the anti-slip mechanism comprises an anti-slip groove disposed on the shaft and a locking portion disposed at the bottom of the shaft hole, the locking portion is locked in the anti-slip groove and abuts against the lower wall of the anti-slip groove, and a movable space is disposed between the locking portion and the upper wall of the anti-slip groove.
6. The back box according to claim 5, wherein the retaining portion is annular and the edge of the inner wall is provided with a notch.
7. The back box according to claim 5, wherein the end of the rotation shaft is provided with a guide portion.
8. A back box according to any of claims 4 to 7, wherein said resilient member is mounted on said shaft.
9. The back box according to claim 2, wherein a distance between a bottom of the first stopper portion and a bottom wall of the mounting portion is greater than a height of the threaded plate.
10. The back box of claim 1, further comprising a protective cover disposed over said bottom shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922019700.6U CN211265790U (en) | 2019-11-20 | 2019-11-20 | Bottom box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922019700.6U CN211265790U (en) | 2019-11-20 | 2019-11-20 | Bottom box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211265790U true CN211265790U (en) | 2020-08-14 |
Family
ID=71962024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922019700.6U Active CN211265790U (en) | 2019-11-20 | 2019-11-20 | Bottom box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211265790U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114361847A (en) * | 2022-01-13 | 2022-04-15 | 宁波公牛电器有限公司 | Bottom box repairing device and bottom box |
-
2019
- 2019-11-20 CN CN201922019700.6U patent/CN211265790U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114361847A (en) * | 2022-01-13 | 2022-04-15 | 宁波公牛电器有限公司 | Bottom box repairing device and bottom box |
| CN114361847B (en) * | 2022-01-13 | 2024-05-17 | 宁波公牛电器有限公司 | Bottom box repairing device and bottom box |
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