Dustproof noise reduction protective cover

Abstract

The utility model is suitable for the technical field of protective covers, and provides a dustproof noise-reduction protective cover which comprises an upper ring and a lower ring, and the upper ring is located above the lower ring. The soft rubber pad is adhered and fixed between the upper ring and the lower ring through an adhesive; the guide hole is formed in the top of the upper ring; the guide column is fixed at the top of the lower ring and close to the inner side of the guide hole; the limiting head is integrally formed at the top end of the guide column; the first spring is arranged on the outer side of the guide column in a sleeving mode; the turntable slides on the inner side wall of the upper ring; drill bits with different diameter sizes can be clamped through opposite movement of the two limiting blocks, it is guaranteed that the drill bits are perpendicularly inserted into the protective cover, the gap between the drill bits and the protective cover can be reduced, the dust escape amount is reduced, dust in the rubber corrugated sleeve can be prevented from escaping to the maximum extent through a protective structure formed by axially and densely arranging the bristles, and the service life of the drill bits is prolonged. And the dustproof and noise reduction effects of the protective cover are improved.

Description

Technical Field

[0001] This utility model belongs to the field of protective cover technology, and in particular relates to a dustproof and noise-reducing protective cover. Background Technology

[0002] In construction, for example, drilling holes in walls is done using a punch drill. Drilling easily causes dust to fly around and generates a lot of noise. In particular, the dust can have a significant impact on the surrounding environment. If the work is done indoors, it can have a greater impact on people's home life.

[0003] Therefore, a dustproof and noise-reducing protective cover is proposed. Utility Model Content

[0004] This invention provides a dustproof and noise-reducing protective cover, which aims to solve the above-mentioned problems.

[0005] This utility model is implemented as follows: a dustproof and noise-reducing protective cover includes: an upper ring and a lower ring, the upper ring being located above the lower ring; a soft rubber pad fixed between the upper and lower rings by an adhesive; a guide hole opened at the top of the upper ring; a guide post fixed at the top of the lower ring near the inner side of the guide hole; a limiting head integrally formed at the top of the guide post; a spring sleeved on the outside of the guide post; a turntable sliding on the inner sidewall of the upper ring; and a drill bit fixed at the center of the top of the turntable by bolts. A limiting frame; a through groove on the outer wall of the drill bit limiting frame; a limiting block embedded in the through groove; a slot on one side of the outer wall of the limiting block; and a handle screwed onto the center of the other side of the outer wall of the limiting block; a support block fixed to the top of the limiting block; a second spring fixed between the support block and the drill bit limiting frame; through holes respectively opened at the bottom of the drill bit limiting frame and the bottom of the turntable; a ring fixed at the bottom of the turntable near the outer side of the through hole; and bristles embedded in the inner wall of the ring.

[0006] Preferably, the guide post passes through the guide hole, and the outer diameter of the limiting head is larger than the inner diameter of the guide hole.

[0007] Preferably, the cross-section of the slot is an isosceles trapezoidal structure, and the cross-section of the handle is a T-shaped structure.

[0008] Preferably, the limiting block and the through groove are slidably connected.

[0009] Preferably, the bristles are densely embedded axially on the inner sidewall of the ring.

[0010] Preferably, the upper ring and the turntable are slidably connected by an annular guide rail and an annular guide groove.

[0011] Preferably, there are three guide holes and three guide posts, which are axially spaced at equal intervals on the top of the upper and lower rings.

[0012] Compared with the prior art, the embodiments of this application have the following main advantages:

[0013] Two limiting blocks moving in opposite directions can clamp drill bits of different diameters, ensuring that the drill bits are inserted vertically into the protective cover. This reduces the gap between the drill bit and the protective cover, minimizing dust escape. The protective structure, composed of densely packed bristles along the axis, maximizes the prevention of dust escape from the rubber corrugated sleeve, improving the dustproof and noise reduction effects of the protective cover. The horizontal setting of the upper and lower rings allows the determination of whether the drill bit is perpendicular to the wall by checking the fit of the soft rubber pad, thus ensuring the quality of the drilling and preventing the drilled hole from tilting towards the wall. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model;

[0015] Figure 2 This is a schematic diagram of the upper ring structure of this utility model;

[0016] Figure 3 This is a schematic diagram of the limiting block structure of this utility model;

[0017] Figure 4 This is a schematic diagram of the turntable structure of this utility model;

[0018] Figure 5 This is a schematic diagram of the lower ring structure of this utility model.

[0019] In the diagram: 1. Upper ring; 2. Rubber corrugated sleeve; 3. Lower ring; 4. Soft rubber pad; 5. Guide hole; 6. Guide post; 7. Limiting head; 8. Spring 1; 9. Drill bit limiting frame; 10. Through groove; 11. Limiting block; 12. Slot; 13. Handle; 14. Support block; 15. Spring 2; 16. Through hole; 17. Ring sleeve; 18. Brush bristles; 19. Turntable. Detailed Implementation

[0020] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein in the specification of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having," and any variations thereof, in the specification, claims, and foregoing drawings of this application are intended to cover non-exclusive inclusion. The terms "first," "second," etc., in the specification, claims, or foregoing drawings of this application are used to distinguish different objects, not to describe a particular order.

[0021] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0022] This utility model embodiment provides a dustproof and noise-reducing protective cover, such as Figure 1-5 As shown, the device includes an upper ring 1 and a lower ring 3. The upper ring 1 is located above the lower ring 3, and a rubber corrugated sleeve 2 is bonded and fixed between the upper ring 1 and the lower ring 3 with adhesive. A soft rubber pad 4 is bonded and fixed to the bottom of the lower ring 3 with adhesive. A guide hole 5 is provided at the top of the upper ring 1. A guide post 6 is fixedly installed at the top of the lower ring 3 near the inner side of the guide hole 5. There are three guide holes 5 and three guide posts 6 in total. The three guide holes 5 and three guide posts 6 are axially and equally spaced at the top of the upper ring 1 and the lower ring 3. The three sets of guide holes 5 and guide posts 6 can ensure linear movement between the upper ring 1 and the lower ring 3. A limit head 7 is integrally formed at the top of the guide post 6. The guide post 6 passes through the guide hole 5. The outer diameter of the limit head 7 is larger than the inner diameter of the guide hole 5. The limit head 7 can prevent the upper ring 1 from falling off the guide post 6. A spring 8 is sleeved between the upper ring 1 and the lower ring 3 near the outer side of the guide post 6. A turntable 19 is slidably connected to the inner wall of the upper ring 1. The turntable 19 is slidably connected to the upper ring 1 via an annular guide rail and an annular guide groove. This sliding connection ensures the stability of the turntable 19 as it slides and rotates inside the upper ring 1. A drill bit limiting frame 9 is bolted to the top of the turntable 19. A through groove 10 is formed on the outer wall of the drill bit limiting frame 9, and a limiting block 11 is embedded inside the through groove 10. A slot 12 is formed at the center of one outer wall of the limiting block 11, and the other outer wall of the limiting block 11 is connected by a threaded connection at the center. There is a handle 13, which is relatively short. A support block 14 is fixedly installed on the top of the limiting block 11. A spring 15 is fixedly installed between the support block 14 and the drill bit limiting frame 9. A through hole 16 is opened at the bottom of the drill bit limiting frame 9 and the turntable 19. A ring 17 is fixedly installed at the bottom of the turntable 19 near the outer side of the through hole 16. Brush bristles 18 are embedded in the inner side wall of the ring 17. When the turntable 19 rotates, the handle 13 will not collide with the guide post 6.

[0023] It should be noted that punching holes easily generates dust and noise, especially dust, which can have a significant impact on the surrounding environment. If the work is done indoors, it can have a major impact on people's home life. In this embodiment, two limiting blocks 11 can move in opposite directions to clamp drill bits of different diameters, ensuring that the drill bits are inserted vertically into the protective cover and reducing the gap between the drill bits and the protective cover, thus reducing the amount of dust escaping. The protective structure composed of densely arranged bristles 18 can maximize the prevention of dust escape from the rubber corrugated sleeve 2, improving the dustproof and noise reduction effect of the protective cover. The horizontal setting of the upper ring 1 and the lower ring 3 can determine whether the drill bit is perpendicular to the wall by the fit of the soft rubber pad 4, thereby ensuring the quality of drilling and preventing the drilled hole from tilting to the wall.

[0024] Specifically, in this embodiment, the solution mainly includes a rubber corrugated sleeve 2, a limiting block 11, and a ring sleeve 17. In use, pulling the handle 13 causes the limiting block 11 at one end of the handle 13 to move outward within the through groove 10, stretching the spring 15 between the support block 14 and the drill bit limiting frame 9. This increases the distance between the two limiting blocks 11. At this time, the drill bit limiting frame 9 is placed over the outside of the impact drill bit, allowing the drill bit to pass through the two limiting blocks 11. Releasing the handle 13 causes the two limiting blocks 11 to move towards each other under the rebound force of the spring 15, clamping the drill bit and minimizing the gap between the limiting blocks 11 and the drill bit. The drill bit passes through the dense bristles 18 inside the ring sleeve 17, impacting the drill bit. When drilling into the wall, push the lower ring 3 to move the upper ring 1. Under the linear guidance between the guide hole 5 and the guide post 6, the rubber corrugated sleeve 2 and the spring 8 are compressed, exposing the drill bit. Place the drill bit against the desired drilling location on the wall. Then, release the lower ring 3. Under the rebound force of the spring 8, the soft rubber pad 4 on the lower ring 3 adheres to the wall. The adhesion of the soft rubber pad 4 determines whether the drill bit is perpendicular to the wall, thus ensuring the quality of the drilling and preventing the drilled hole from tilting to the wall. The drilling dust is collected in the rubber corrugated sleeve 2 by the bristles 18, preventing dust from flying. Since the drilling is in a relatively enclosed environment, it also has a certain noise reduction purpose, reducing noise pollution.

[0025] In a further preferred embodiment of this utility model, such as Figure 1-3 As shown, the cross-section of the slot 12 is an isosceles trapezoidal structure, the cross-section of the handle 13 is a T-shaped structure, and the limiting block 11 and the through slot 10 are slidably connected.

[0026] In this embodiment, drill bits of different diameters can be clamped by moving the two slots 12 toward each other, and the T-shaped handle 13 facilitates the pulling of the limiting block 11. The limiting block 11 slides inside the through groove 10 to ensure the stability of its linear movement.

[0027] In a further preferred embodiment of this utility model, such as Figure 4 As shown, the bristles 18 are densely embedded in the inner wall of the ring sleeve 17 in an axial manner.

[0028] In this embodiment, the protective structure composed of several bristles 18 arranged axially can maximize the prevention of dust from escaping from the rubber corrugated sleeve 2 and improve the dustproof effect of the protective cover.

[0029] It should be noted that, for the sake of simplicity, the foregoing embodiments are all described as a series of actions. However, those skilled in the art should understand that the present invention is not limited to the described order of actions, as some steps may be performed in other orders or simultaneously according to the present invention. Furthermore, those skilled in the art should also understand that the embodiments described in the specification are preferred embodiments, and the actions and modules involved are not necessarily essential to the present invention.

[0030] It should be understood that the disclosed apparatus can be implemented in other ways, given the several embodiments provided in this application. For example, the apparatus embodiments described above are merely illustrative. For instance, the division of units described above may be implemented in other ways in practice. For example, multiple units or components may be combined or integrated into another system, or some features may be ignored or not executed. Furthermore, the coupling or communication connections shown or discussed may be through some interfaces; indirect coupling or communication connections between devices or units may be telecommunications or other forms.

[0031] The units described above as separate components may or may not be physically separate. The components shown as units may or may not be physical units; that is, they may be located in one place or distributed across multiple network units. Some or all of the units can be selected to achieve the purpose of this embodiment according to actual needs.

[0032] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit the scope of protection of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on these embodiments, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model. Although this utility model has been described in detail with reference to the above embodiments, those skilled in the art can still combine, add, delete, or otherwise adjust the features of the various embodiments of this utility model according to the circumstances without conflict or creative effort, thereby obtaining different technical solutions that do not fundamentally depart from the concept of this utility model. These technical solutions are also within the scope of protection of this utility model.

Claims

1. A dustproof and noise-reducing protective cover, characterized in that, include: An upper ring (1) and a lower ring (3), wherein the upper ring (1) is located above the lower ring (3); The soft rubber pad (4) is fixed between the upper ring (1) and the lower ring (3) by adhesive; and A guide hole (5) is formed at the top of the upper ring (1); A guide post (6) is fixed at the top of the lower ring (3) near the inner side of the guide hole (5); A limiting head (7) integrally formed on the top of the guide post (6); Spring 1 (8) sleeved on the outside of the guide post (6); A turntable (19) that slides on the inner sidewall of the upper ring (1); The drill bit limiting frame (9) is fixed to the center of the top of the turntable (19) by bolts; A through groove (10) is formed on the outer wall of the drill bit limiting frame (9); A limiting block (11) embedded inside the through groove (10); A slot (12) is formed on the outer wall of one side of the limiting block (11); and A handle (13) is screwed onto the center of the outer wall of the other side of the limiting block (11); A support block (14) fixed to the top of the limiting block (11); Spring 2 (15) is fixed between the support block (14) and the drill bit limiting frame (9); Through holes (16) are respectively opened at the bottom of the drill bit limiting frame (9) and the bottom of the turntable (19); A ring (17) is fixed at the bottom of the turntable (19) near the outside of the through hole (16); Brush bristles (18) embedded in the inner wall of the ring (17).

2. The dustproof and noise-reducing protective cover as described in claim 1, characterized in that, The guide post (6) passes through the guide hole (5), and the outer diameter of the limiting head (7) is larger than the inner diameter of the guide hole (5).

3. The dustproof and noise-reducing protective cover as described in claim 1, characterized in that, The cross-section of the slot (12) is an isosceles trapezoidal structure, and the cross-section of the handle (13) is a T-shaped structure.

4. A dustproof and noise-reducing protective cover as described in claim 1, characterized in that, The limiting block (11) and the through groove (10) are slidably connected.

5. A dustproof and noise-reducing protective cover as described in claim 1, characterized in that, The bristles (18) are densely embedded axially on the inner sidewall of the ring (17).

6. A dustproof and noise-reducing protective cover as described in claim 1, characterized in that, The upper ring (1) and the turntable (19) are slidably connected by an annular guide rail and an annular guide groove.

7. A dustproof and noise-reducing protective cover as described in claim 1, characterized in that, There are three guide holes (5) and three guide posts (6) in total. The three guide holes (5) and three guide posts (6) are axially spaced at equal intervals on the top of the upper ring (1) and the lower ring (3).

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