Shock-absorbing and noise-reducing building engineering impact drill bit fixing mechanism

Abstract

The utility model discloses a kind of shock-absorbing and noise-reducing construction engineering percussion drill drill bit fixing mechanism, belong to percussion drill technical field, its technical scheme main point includes shock-absorbing percussion drill body, the left side of shock-absorbing percussion drill body is provided with noise reduction mechanism, noise reduction mechanism includes noise reduction assembly and support assembly, noise reduction assembly is set in the left side of shock-absorbing percussion drill body, support assembly is set in the inboard of noise reduction assembly, by setting noise reduction assembly and support assembly, noise reduction assembly can be at the drill bit of shock-absorbing percussion drill body, so that it can be wrapped drill bit and carry out sound insulation treatment, simultaneously it can collect dust carried out by drill bit and concentrate discharge, so that existing shock-absorbing percussion drill body has shock-absorbing and noise-reducing effect, simultaneously support assembly can cooperate with noise reduction assembly, so that noise reduction assembly can be moved along with the in-depth of drill bit, avoid its influence drill bit work, and rebound structure inside support assembly is protected inside noise reduction assembly.

Description

Technical Field

[0001] This utility model relates to the field of impact drilling technology, and in particular to a vibration-damping and noise-reducing impact drill bit fixing mechanism for construction engineering. Background Technology

[0002] An impact drill is an electric tool that uses a transmission mechanism to drive a drill bit to make holes; it can switch between impact and rotation modes.

[0003] In the existing technology, most of the sound insulation structures on impact drills are fixedly assembled. During the use of impact drills, the sound insulation structure will limit the use of drill bits to a certain extent.

[0004] An existing patent (publication number: CN220659305U) discloses an impact drill with noise reduction function, which includes an impact drill body. A sliding sleeve is fitted on the side of the impact drill body. Multiple sliding grooves are formed on the outer side of the sliding sleeve. A slider is slidably connected inside each of the sliding grooves, and the top of each slider protrudes from the sliding sleeve. A spring is fitted inside the sliding groove, with one end of the spring connected to the slider and the other end connected to the inner wall of the sliding groove. A sound insulation cylinder is also fitted on the side of each slider. The drill bit on the impact drill body is arranged inside the sound insulation cylinder, thereby shielding and insulating the drill bit on the impact drill body. This reduces the noise generated by the impact drill during use, and the sound insulation cylinder also reduces the dust raised at the drill bit.

[0005] Existing impact drills typically have a drill bit mounting structure with shock absorption to prevent the drill bit from being subjected to rigid impacts. The aforementioned patent adds a wrap-around noise reduction structure to the existing shock-absorbing impact drill, giving the impact drill both shock absorption and noise reduction effects. Furthermore, its noise reduction structure can be automatically adjusted according to the drilling depth. However, its adjustment structure, i.e., the spring device, is exposed. At the construction site, especially during impact drilling operations, a large amount of dust inevitably remains in the air. This dust is very likely to clog the exposed adjustment structure, a problem that the existing patent cannot solve, thus making it inconvenient for users.

[0006] To address this, a vibration-damping and noise-reducing drilling bit fixing mechanism for building construction impact drills is proposed. Utility Model Content

[0007] The purpose of this utility model is to provide a vibration-damping and noise-reducing drilling bit fixing mechanism for construction engineering impact drills. This addresses the issue that existing impact drills typically have a vibration-damping effect in their bit mounting and fixing structures to prevent the drill bit from experiencing rigid impacts. The aforementioned patent adds a wrap-around noise-reducing structure to the existing vibration-damping impact drill, enabling the impact drill to achieve both vibration and noise reduction. Furthermore, the noise-reducing structure can be automatically adjusted according to the drilling depth. However, the adjustment structure, i.e., the spring device, is exposed. At construction sites, especially during impact drilling operations, a large amount of dust inevitably remains in the air. This dust easily clogs the exposed adjustment structure, a problem that the existing patent cannot solve, thus hindering user operation.

[0008] To achieve the above objectives, the present invention provides the following technical solution: a vibration-damping and noise-reducing drilling bit fixing mechanism for construction engineering, comprising a vibration-damping impact drill body, wherein a noise reduction mechanism is provided on the left side of the vibration-damping impact drill body, the noise reduction mechanism comprising a noise reduction component and a support component, wherein the noise reduction component is provided on the left side of the vibration-damping impact drill body, and the support component is provided on the inner side of the noise reduction component.

[0009] The noise reduction component includes a soundproof shell, a collection shell, a protective ring plate, and a noise reduction ring pad. The soundproof shell is located on the left side of the vibration damping impact drill body. The collection shell is fixedly connected to the bottom of the soundproof shell. The protective ring plate is fixedly connected to the right side of the inner side of the soundproof shell. The noise reduction ring pad is snapped into the inner side of the soundproof shell.

[0010] Preferably, the support assembly includes a support rod bolted to the surface of the shock-absorbing impact drill body, the inner side of the support rod having a sliding groove, a bearing rod slidably connected to the inner side of the support rod, and the surface of the bearing rod being close to the inner surface of the soundproof shell.

[0011] Preferably, the inner side of the spring is close to the surface of the bearing rod, and a snap ring is fixedly connected to the right side of the spring.

[0012] Preferably, an auxiliary component is provided on the left side of the bottom of the shock-absorbing impact drill body. The auxiliary component includes a connecting sleeve threaded to the bottom of the collecting housing, and an extension hose is connected to the bottom of the connecting sleeve.

[0013] Preferably, the bottom of the extension hose is connected to an expansion joint, and the expansion joint is generally shaped like a frustum.

[0014] Preferably, the inner side of the soundproof shell is provided with a sliding groove, the inner side of the soundproof shell is provided with a weight-reducing cavity, and the surface of the collecting shell is arc-shaped.

[0015] Preferably, the surface of the plug block is arc-shaped, and the left side surface of the left plug bracket is fixedly connected to the surface of the plug block near the left plug bracket.

[0016] Preferably, a hole is provided at the bottom of the inner side of the noise reduction ring pad, and a fixing fork is inserted into the left side of the inner side of the noise reduction ring pad.

[0017] Compared with the prior art, the beneficial effects of this utility model are:

[0018] 1. By setting a noise reduction component, when using the vibration-damping and noise-reducing construction engineering impact drill bit fixing mechanism, the noise reduction component can be located at the drill bit of the vibration-damping impact drill body, so that it can wrap the drill bit and perform sound insulation treatment. At the same time, it can collect the dust brought out by the drill bit and discharge it in a concentrated manner, thereby enabling the existing vibration-damping impact drill body to have vibration reduction and noise reduction effects.

[0019] 2. By setting up a support component, when using the vibration-damping and noise-reducing construction engineering impact drill bit fixing mechanism, the user can combine the support component with the vibration-damping impact drill body, so that the support component can bear and support the noise reduction component. At the same time, the support component can cooperate with the noise reduction component, so that the noise reduction component can move as the drill bit goes deeper, avoiding affecting the operation of the drill bit. Attached Figure Description

[0020] Figure 1 This is an overall structural diagram of a vibration-damping and noise-reducing impact drill bit fixing mechanism for building engineering according to this utility model;

[0021] Figure 2 This is a schematic diagram of the noise reduction mechanism in this utility model;

[0022] Figure 3 This is a schematic diagram of the noise reduction component in this utility model;

[0023] Figure 4 This is a schematic diagram of the support component in this utility model;

[0024] Figure 5 This is a schematic diagram of the auxiliary components in this utility model.

[0025] In the diagram, 1. Vibration-damping impact drill body; 2. Noise reduction mechanism; 201. Noise reduction component; 201a. Soundproof shell; 201b. Collection shell; 201c. Protective ring plate; 201d. Noise reduction ring pad; 202. Support component; 202a. Support rod; 202b. Bearing rod; 202c. Circular plate; 202d. Spring; 202e. Snap-fit ​​ring; 3. Auxiliary component; 301. Connecting sleeve; 302. Extension hose; 303. Expanding pipe. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] Please see Figures 1-5 A vibration-damping and noise-reducing drilling bit fixing mechanism for construction engineering impact drills includes a vibration-damping impact drill body 1. A noise reduction mechanism 2 is provided on the left side of the vibration-damping impact drill body 1. The noise reduction mechanism 2 includes a noise reduction component 201 and a support component 202. The noise reduction component 201 is provided on the left side of the vibration-damping impact drill body 1, and the support component 202 is provided on the inner side of the noise reduction component 201.

[0028] The noise reduction component 201 includes a soundproof shell 201a, a collection shell 201b, a protective ring plate 201c, and a noise reduction ring pad 201d. The soundproof shell 201a is located on the left side of the vibration damping impact drill body 1. The collection shell 201b is fixedly connected to the bottom of the soundproof shell 201a. The protective ring plate 201c is fixedly connected to the right side of the inner side of the soundproof shell 201a. The noise reduction ring pad 201d is snapped into the inner side of the soundproof shell 201a.

[0029] In this embodiment: by setting up a soundproof shell 201a, a collection shell 201b, a protective ring plate 201c, and a noise-reducing ring pad 201d, when using this vibration-damping and noise-reducing construction engineering impact drill bit fixing mechanism, the user can snap the noise-reducing ring pad 201d into the inside of the soundproof shell 201a. At the same time, it should be noted that the opening of the noise-reducing ring pad 201d needs to be aligned with the top of the collection shell 201b, so that the dust and debris collected by the soundproof shell 201a can fall through the collection shell 201b. Furthermore, the protective ring plate 201c fixedly connected to the right side inside the soundproof shell 201a can block splashing dust. Moreover, the enveloping structure composed of the soundproof shell 201a and its internal structure can be placed on the outside of the drill bit for sound insulation and noise reduction.

[0030] Specifically, such as Figure 2 , Figure 4 As shown, the support assembly 202 includes a support rod 202a bolted to the surface of the shock-absorbing impact drill body 1. A sliding groove is provided on the inner side of the support rod 202a. A bearing rod 202b is slidably connected to the inner side of the support rod 202a. The surface of the bearing rod 202b is close to the inner surface of the soundproof shell 201a.

[0031] Specifically, such as Figure 2 , Figure 4 As shown, a circular plate 202c is fixedly connected to the left side of the bearing rod 202b, and a spring 202d is fixedly connected to the surface of the circular plate 202c.

[0032] Specifically, such as Figure 2 , Figure 4 As shown, the inner side of the spring 202d is close to the surface of the bearing rod 202b, and a snap ring 202e is fixedly connected to the right side of the spring 202d.

[0033] In this embodiment: by setting a support rod 202a, a bearing rod 202b, a circular plate 202c, a spring 202d, and a snap ring 202e, when assisting in the adjustment of the soundproof housing 201a, the support rod 202a is fixed to the vibration-damping impact drill body 1, so that the bearing rod 202b, which slides inside the support rod 202a, can be inserted into the soundproof housing 201a to support it. At the same time, the circular plate 202c, the spring 202d, and the snap ring 202e on the surface of the bearing rod 202b are all inside the soundproof housing 201a. When the drill bit penetrates the wall, the soundproof housing 201a contacts the wall, causing it to abut against the circular plate 202c, which in turn moves the support rod 202b, spring 202d, and snap ring 202e in the opposite direction of drilling. As the snap ring 202e abuts against the surface of the support rod 202a, the spring 202d is compressed between the circular plate 202c and the snap ring 202e, so that the soundproof housing 201a can be automatically restored to its original position afterward, thus eliminating the need for self-recovery. Furthermore, this rebound structure is protected by the soundproof housing 201a and will not be affected by the large amount of dust at the construction site.

[0034] Specifically, such as Figure 1 , Figure 5 As shown, an auxiliary component 3 is provided on the left side of the bottom of the shock-absorbing impact drill body 1. The auxiliary component 3 includes a connecting sleeve 301 threaded to the bottom of the collection housing 201b, and an extension hose 302 is connected to the bottom of the connecting sleeve 301.

[0035] Specifically, such as Figure 1 , Figure 5 As shown, the bottom of the extension hose 302 is connected to the expansion tube 303, which is in the shape of a frustum.

[0036] In this embodiment: by setting the connecting sleeve 301, the extension hose 302 and the expansion pipe 303, the connecting sleeve 301, the extension hose 302 and the expansion pipe 303 cooperate with each other to serve as an extension structure of the collection shell 201b, so as to avoid dust and debris being discharged too early and thus preventing them from being discharged in a concentrated manner.

[0037] Specifically, such as Figure 3 As shown, a groove is provided on the inner side of the soundproof housing 201a, a weight-reducing cavity is provided on the inner side of the soundproof housing 201a, and the surface of the collecting housing 201b is arc-shaped.

[0038] Specifically, such asFigure 3 As shown, a hole is provided at the bottom of the inner side of the noise reduction ring pad 201d, and a fixing fork is inserted into the left side of the inner side of the noise reduction ring pad 201d.

[0039] In this embodiment: by setting the soundproof shell 201a, the collection shell 201b and the noise reduction ring pad 201d, the soundproof shell 201a, the collection shell 201b and the noise reduction ring pad 201d cooperate with each other so that they can form a combined shape wrapping noise reduction structure that can wrap around the drill bit to reduce the noise generated at the drill bit.

[0040] Working Principle: First, it is used during drilling in construction projects. When using this vibration-damping and noise-reducing impact drill bit fixing mechanism, the user can snap the noise-reducing ring pad 201d into the soundproof housing 201a. Simultaneously, it should be noted that the opening of the noise-reducing ring pad 201d should be aligned with the top of the collecting housing 201b, allowing the dust and debris collected by the soundproof housing 201a to fall through it. Furthermore, the protective ring plate 201c fixedly connected to the right side inside the soundproof housing 201a can block splashing dust. The enveloping structure formed by the soundproof housing 201a and its internal structure can provide sound insulation and noise reduction outside the drill bit. When adjusting the soundproof housing 201a, the support rod 202a is fixed to the vibration-damping impact drill body 1, allowing the bearing rod 202a to slide inside the support rod 202a. 2b can be inserted into the soundproof housing 201a to support it. At the same time, the circular plate 202c, spring 202d, and snap ring 202e on the surface of the support rod 202b are all inside the soundproof housing 201a. When the drill bit penetrates the wall, the soundproof housing 201a contacts the wall, causing it to abut against the circular plate 202c, which in turn moves the support rod 202b, spring 202d, and snap ring 202e in the opposite direction of drilling. Since the snap ring 202e abuts against the surface of the support rod 202a, the spring 202d is compressed between the circular plate 202c and the snap ring 202e, so that the soundproof housing 201a can be automatically restored to its original position without the need for self-recovery. Furthermore, this rebound structure is protected by the soundproof housing 201a and will not be affected by the large amount of dust at the construction site.

[0041] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, and improvements made within the scope of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A vibration-damping and noise-reducing drilling bit fixing mechanism for construction engineering impact drills, comprising a vibration-damping impact drill body (1), characterized in that: A noise reduction mechanism (2) is provided on the left side of the shock-absorbing impact drill body (1). The noise reduction mechanism (2) includes a noise reduction component (201) and a support component (202). The noise reduction component (201) is located on the left side of the shock-absorbing impact drill body (1), and the support component (202) is located inside the noise reduction component (201). The noise reduction component (201) includes a soundproof shell (201a), a collection shell (201b), a protective ring plate (201c), and a noise reduction ring pad (201d). The soundproof shell (201a) is located on the left side of the vibration damping impact drill body (1). The collection shell (201b) is fixedly connected to the bottom of the soundproof shell (201a). The protective ring plate (201c) is fixedly connected to the right side of the inner side of the soundproof shell (201a). The noise reduction ring pad (201d) is snapped into the inner side of the soundproof shell (201a).

2. The vibration-damping and noise-reducing impact drill bit fixing mechanism for construction engineering according to claim 1, characterized in that: The support assembly (202) includes a support rod (202a) bolted to the surface of the shock-absorbing impact drill body (1). The inner side of the support rod (202a) is provided with a sliding groove. The inner side of the support rod (202a) is slidably connected to a bearing rod (202b). The surface of the bearing rod (202b) is close to the inner surface of the soundproof shell (201a).

3. The vibration-damping and noise-reducing impact drill bit fixing mechanism for construction engineering according to claim 2, characterized in that: A circular plate (202c) is fixedly connected to the left side of the bearing rod (202b), and a spring (202d) is fixedly connected to the surface of the circular plate (202c).

4. The vibration-damping and noise-reducing impact drill bit fixing mechanism for construction engineering according to claim 3, characterized in that: The inner side of the spring (202d) is close to the surface of the bearing rod (202b), and a snap ring (202e) is fixedly connected to the right side of the spring (202d).

5. The vibration-damping and noise-reducing impact drill bit fixing mechanism for construction engineering according to claim 1, characterized in that: An auxiliary component (3) is provided on the left side of the bottom of the shock-absorbing impact drill body (1). The auxiliary component (3) includes a connecting sleeve (301) threaded to the bottom of the collection shell (201b). An extension hose (302) is connected to the bottom of the connecting sleeve (301).

6. The vibration-damping and noise-reducing drilling bit fixing mechanism for construction engineering according to claim 5, characterized in that: The bottom of the extension hose (302) is connected to an expansion tube (303), which is in the shape of a frustum.

7. The vibration-damping and noise-reducing impact drill bit fixing mechanism for construction engineering according to claim 1, characterized in that: The inner side of the soundproof shell (201a) is provided with a sliding groove, the inner side of the soundproof shell (201a) is provided with a weight-reducing cavity, and the surface of the collecting shell (201b) is arc-shaped.

8. The vibration-damping and noise-reducing impact drill bit fixing mechanism for construction engineering according to claim 1, characterized in that: The bottom of the inner side of the noise reduction ring pad (201d) is provided with a hole, and a fixing fork is inserted into the left side of the inner side of the noise reduction ring pad (201d).

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