CN210246774U - Wall-mounted signal shielding instrument - Google Patents
Wall-mounted signal shielding instrument Download PDFInfo
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- CN210246774U CN210246774U CN201921764362.2U CN201921764362U CN210246774U CN 210246774 U CN210246774 U CN 210246774U CN 201921764362 U CN201921764362 U CN 201921764362U CN 210246774 U CN210246774 U CN 210246774U
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Abstract
The utility model provides a wall-mounted signal shielding instrument, which belongs to a signal shielding instrument and comprises a shielding instrument body and a fixed support, wherein the fixed support is fixed on the wall of a classroom in a screw or bonding mode; the fixed support is provided with a first limiting groove communicated with the cylindrical groove, and the cylindrical block is provided with a limiting block in inserting fit with the first limiting groove; the side wall of the cylindrical groove is provided with a sliding groove communicated with the first limiting groove; when the limiting block is positioned in the first limiting groove and the shielding instrument body is rotated, the limiting block slides into the sliding groove from the first limiting groove; the problem of the mounting means of pegging graft shelter from the power jack of side easily or hinder the antenna, cause inconvenient to use is solved.
Description
Technical Field
The utility model relates to a signal shielding appearance especially relates to a wall-hanging signal shielding appearance.
Background
At present, in an examination room on a campus, a proctor needs to shield signals of all mobile devices by means of a signal shielding instrument, so that cheating by the examinee by utilizing the mobile devices is prevented.
In order to avoid shielding appearance direct placement on the ground, the examinee who is walked back and forth easily or invigilate the mr and trample, destroy signal shielding appearance or its power cord, lead to shielding function to lose, possess a wall-hanging signal shielding appearance of a section on the market, it is including shielding appearance body to and the mount, the mount passes through modes such as screw to be fixed on the wall, shielding appearance body through grafting mode demountable installation on the mount.
However, the above technical solutions have the following problems: because the antenna of the signal shielding instrument is usually installed on the top of the shielding instrument, and the power jack, the power switch and the like are arranged on the side surface of the shielding instrument, the plugging installation mode is easy to shield the power jack on the side surface or obstruct the antenna, and the problem of inconvenient use is caused, thus the problem needs to be improved.
Disclosure of Invention
Therefore, the utility model aims at providing a wall-hanging signal shielding appearance can hang the shielding appearance on the wall under the condition of the power jack of the antenna and the side at shielding appearance top not influenced.
The above technical purpose of the present invention can be achieved by the following technical solutions:
a wall-mounted signal shielding instrument comprises a shielding instrument body and a fixed support, wherein the fixed support is fixed on a wall of a classroom in a screw or bonding mode, the shielding instrument body is detachably connected to the fixed support, the fixed support is provided with a cylindrical groove, and the back of the shielding instrument body is provided with a cylindrical block which is in inserted connection with the cylindrical groove;
the fixed support is provided with a first limiting groove communicated with the cylindrical groove, and the cylindrical block is provided with a limiting block in inserting fit with the first limiting groove;
the side wall of the cylindrical groove is provided with a sliding groove communicated with the first limiting groove; when the limiting block is positioned in the first limiting groove and rotates the shielding instrument body, the limiting block slides into the sliding groove from the first limiting groove.
By adopting the technical scheme, a user can install the fixing support in each classroom of a school by screws or bonding, then hang the shielding instrument body on the fixing support during an examination, the specific hanging mode is that the user can align the cylindrical block on the back of the shielding instrument body with the cylindrical groove of the fixing support and align the first limit groove with the limit block, respectively insert the cylindrical block and the limit block into the cylindrical groove and the first limit groove, then rotate the shielding instrument body to enable the limit block to slide into the sliding groove from the first limit groove, loosen the shielding instrument body, under the action of gravity, the limit block is pressed against the groove wall of the sliding groove to generate friction force to fix the shielding instrument body, so that the shielding instrument body can be hung on a wall only by utilizing the back of the shielding instrument body to avoid shielding a power jack on the side or obstructing an antenna in the hanging process, the convenience of use is improved.
Preferably, the side wall of the cylindrical groove is provided with a second limiting groove communicated with the sliding groove, and the depth of the second limiting groove is smaller than that of the cylindrical groove.
Through adopting above-mentioned technical scheme, the rotatable shielding appearance body of user to align stopper and second spacing groove, let the stopper insert the second spacing groove under the action of gravity of shielding appearance body, can prevent from maloperation shielding appearance body from this.
Preferably, a return spring is arranged in the cylindrical groove, one end of the return spring is fixed at the bottom of the cylindrical groove, and when the limiting block is located in the sliding groove, the return spring is in a compressed state.
Through adopting above-mentioned technical scheme, reset spring can make the stopper support and press in the cell wall of spout or second spacing groove to the outside power that resets of the cylinder piece of inserting the cylinder inslot, from this further fixed knot between reinforced cylinder piece and the cylinder groove constructs.
Preferably, a side surface of the stopper is provided with a guide surface facing a direction in which the sliding groove extends when the stopper is located in the first stopper groove.
Through adopting above-mentioned technical scheme, guide face can the person of facilitating the use insert the stopper into first spacing groove more smoothly.
Preferably, the limiting block has elasticity, the height of the limiting block is larger than the depth of the sliding groove, and the limiting block is in interference fit with the sliding groove.
Through adopting above-mentioned technical scheme for when the stopper is slipping into the spout, the cell wall that can receive the spout is to its extrusion force, lets it take place elastic deformation, and interference fit between the spout strengthens fixed knot structure, prevents that the stopper that leads to under the maloperation from the spout roll-off.
Preferably, the first limiting grooves are provided with two parts which are symmetrical about the axis of the cylindrical groove; the limiting blocks are arranged in two numbers and are symmetrical about the axis of the cylindrical block.
Through adopting above-mentioned technical scheme, first spacing groove and stopper all set up two, can guarantee that the cylinder piece atress is balanced, are favorable to fixing the shielding appearance body more steadily.
Preferably, anti-skidding rubber pads are arranged on the back of the shielding instrument body and on two sides of the cylindrical block.
Through adopting above-mentioned technical scheme, further avoid shielding appearance body to take place to rotate under the maloperation, lead to the stopper to break away from in the spout or the second spacing groove.
The utility model provides a pair of wall-hanging signal shielding appearance has following advantage:
1. the shielding instrument can be hung on a wall under the condition that the antenna at the top of the shielding instrument and the power supply jack at the side surface are not influenced;
2. the shielding instrument body can be prevented from rotating under the condition of non-manual operation.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the back structure of the shielding instrument body of the present invention;
FIG. 3 is a schematic structural view of a cylindrical block of the present invention;
fig. 4 is a schematic structural view of the fixing bracket of the present invention;
fig. 5 is a partial three-dimensional cross-sectional view of the middle fixing bracket of the present invention.
The reference numerals in the figures are explained below:
1. a shielding instrument body; 2. fixing a bracket; 3. a power switch; 4. a power jack; 5. an antenna; 6. a cylindrical groove; 7. a cylindrical block; 8. a first limit groove; 9. a limiting block; 10. a chute; 11. a second limit groove; 12. a return spring; 13. a guide surface; 14. anti-skid rubber pad.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
A wall-mounted signal shielding instrument is shown in figure 1 and comprises a shielding instrument body 1 and a fixing support 2, wherein the fixing support 2 is fixed on a wall of a classroom in a screw or bonding mode, a power switch 3 and a power jack 4 are arranged on the side face of the shielding instrument body 1, and an antenna 5 is arranged on the top face of the shielding instrument body.
Shielding appearance body 1 can be dismantled and connect in fixed bolster 2, can hinder power jack 4 or antenna 5 in order to avoid the detachable mounting means, the utility model provides a can dismantle connected mode as follows.
As shown in fig. 2 to 5, the fixed support 2 is provided with a cylindrical groove 6, and the back of the shielding instrument body 1 is provided with a cylindrical block 7 which is in inserted connection with the cylindrical groove 6; the fixed support 2 is provided with a first limiting groove 8 communicated with the cylindrical groove 6, and the cylindrical block 7 is provided with a limiting block 9 in inserting fit with the first limiting groove 8; the side wall of the cylindrical groove 6 is provided with a sliding groove 10 communicated with the first limiting groove 8; when the limiting block 9 is located in the first limiting groove 8 and the shielding instrument body 1 is rotated, the limiting block 9 slides into the sliding groove 10 from the first limiting groove 8.
The specific working principle is as follows: the user can install the fixed support 2 in each classroom of the school by screws or bonding, and then hang the shielding instrument body 1 on the fixed support 2 during examination, the specific hanging mode is as follows, the user can align the cylindrical block 7 on the back of the shielding instrument body 1 with the cylindrical groove 6 of the fixed support 2, align the first limit groove 8 with the limit block 9, insert the cylindrical block 7 and the limit block 9 into the cylindrical groove 6 and the first limit groove 8 respectively, then rotate the shielding instrument body 1, make the limit block 9 slide into the sliding groove 10 from the first limit groove 8, loosen the shielding instrument body 1, under the action of gravity, the limit block 9 is pressed against the groove wall of the sliding groove 10 to generate friction force to fix the shielding instrument body 1, thus, the shielding instrument body 1 can be hung on the wall only by using the back of the shielding instrument body 1, so as to avoid shielding the power jack 4 on the side or obstructing the antenna 5 in the hanging process, the convenience of use is improved.
Furthermore, a second limiting groove 11 communicated with the sliding groove 10 is formed in the side wall of the cylindrical groove 6, and the depth of the second limiting groove 11 is smaller than that of the cylindrical groove 6; the user can rotate shielding appearance body 1 to align stopper 9 and second spacing groove 11, let stopper 9 insert in second spacing groove 11 under the action of gravity of shielding appearance body 1, can prevent from malting shielding appearance body 1 from this.
A return spring 12 is arranged in the cylindrical groove 6, one end of the return spring 12 is fixed at the bottom of the cylindrical groove 6, and when the limiting block 9 is positioned in the sliding groove 10, the return spring 12 is in a compressed state; the reset spring 12 can apply an outward reset force to the cylindrical block 7 inserted into the cylindrical groove 6, so that the limit block 9 is abutted against the groove wall of the sliding groove 10 or the second limit groove 11, thereby further strengthening the fixing structure between the cylindrical block 7 and the cylindrical groove 6.
The side surface of the limiting block 9 is provided with a guide surface 13, and when the limiting block 9 is positioned in the first limiting groove 8, the guide surface 13 faces the extending direction of the sliding groove 10; the guide surface 13 may facilitate a user to insert the stopper 9 into the first stopper groove 8 more smoothly.
The limiting block 9 is elastic, the height of the limiting block 9 is greater than the depth of the sliding groove 10, and the limiting block 9 is in interference fit with the sliding groove 10; make stopper 9 when sliding in spout 10, can receive the cell wall of spout 10 to its extrusion force, let it take place elastic deformation, and with the interference fit between spout 10, strengthen fixed knot and construct, prevent that stopper 9 that leads to under the maloperation from the roll-off in spout 10.
Two first limiting grooves 8 are formed and are symmetrical about the axis of the cylindrical groove 6; two limiting blocks 9 are arranged and are symmetrical about the axis of the cylindrical block 7; first spacing groove 8 and stopper 9 all set up two, can guarantee that cylinder piece 7 atress is balanced, are favorable to fixing shielding appearance body 1 more steadily.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (7)
1. A wall-mounted signal shielding instrument comprises a shielding instrument body (1) and a fixed support (2), wherein the fixed support (2) is fixed on a wall of a classroom in a screw or bonding mode, and the shielding instrument body (1) is detachably connected to the fixed support (2), and is characterized in that the fixed support (2) is provided with a cylindrical groove (6), and the back of the shielding instrument body (1) is provided with a cylindrical block (7) which is in plug-in fit with the cylindrical groove (6);
the fixed support (2) is provided with a first limiting groove (8) communicated with the cylindrical groove (6), and the cylindrical block (7) is provided with a limiting block (9) in inserting fit with the first limiting groove (8);
the side wall of the cylindrical groove (6) is provided with a sliding groove (10) communicated with the first limiting groove (8); when the limiting block (9) is positioned in the first limiting groove (8) and the shielding instrument body (1) is rotated, the limiting block (9) slides into the sliding groove (10) from the first limiting groove (8).
2. The wall-mounted signal shielding instrument according to claim 1, wherein the side wall of the cylindrical groove (6) is provided with a second limiting groove (11) communicated with the sliding groove (10), and the depth of the second limiting groove (11) is smaller than that of the cylindrical groove (6).
3. The wall-mounted signal shielding instrument according to claim 1, wherein a return spring (12) is arranged in the cylindrical groove (6), one end of the return spring (12) is fixed at the bottom of the cylindrical groove (6), and when the limiting block (9) is located in the sliding groove (10), the return spring (12) is in a compressed state.
4. The wall-mounted signal shielding instrument according to claim 1, wherein the side surface of the stopper (9) is provided with a guide surface (13), and the guide surface (13) faces the direction in which the sliding groove (10) extends when the stopper (9) is located in the first stopper groove (8).
5. The wall-mounted signal shielding instrument according to claim 1, wherein the limiting block (9) has elasticity, the height of the limiting block (9) is greater than the opening depth of the sliding groove (10), and the limiting block (9) is in interference fit with the sliding groove (10).
6. The wall-mounted signal shielding instrument according to claim 1, wherein the first limiting groove (8) is provided with two limiting grooves which are symmetrical with respect to the axis of the cylindrical groove (6); the two limiting blocks (9) are arranged and are symmetrical about the axis of the cylindrical block (7).
7. The wall-mounted signal shielding instrument according to claim 1, wherein anti-skid rubber pads (14) are arranged on the back surface of the shielding instrument body (1) and on both sides of the cylindrical block (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921764362.2U CN210246774U (en) | 2019-10-17 | 2019-10-17 | Wall-mounted signal shielding instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921764362.2U CN210246774U (en) | 2019-10-17 | 2019-10-17 | Wall-mounted signal shielding instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210246774U true CN210246774U (en) | 2020-04-03 |
Family
ID=69965925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921764362.2U Active CN210246774U (en) | 2019-10-17 | 2019-10-17 | Wall-mounted signal shielding instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210246774U (en) |
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2019
- 2019-10-17 CN CN201921764362.2U patent/CN210246774U/en active Active
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