Double-layer noise reduction and sound insulation cover of stirrer

Abstract

The utility model discloses a double-layer noise reduction soundproof cover of a stirrer, which comprises an outer-layer cover body and an inner-layer cover body, the outer-layer cover body is positioned outside the inner-layer cover body, a sealing block is arranged at the top end of the inner part of the outer-layer cover body, a sealing cover is arranged at the top end of the inner part of the inner-layer cover body, and the outer-layer cover body and the inner-layer cover body are integrally formed. A through hole matched with the sealing block is formed in the top end of the outer portion of the inner-layer cover body, the bottom end of the through hole penetrates through the top end of the inner portion of the inner-layer cover body, the bottom end of the sealing block penetrates through the through hole and extends into the sealing cover, and positioning blocks are symmetrically arranged at the positions, located on the two sides of the sealing block, in the sealing cover. The two positioning blocks are driven by the distance adjusting assembly to move in or out of the positioning grooves, the sealing blocks and the sealing cover can be conveniently fixed or separated, and therefore the outer-layer cover body and the inner-layer cover body can be conveniently disassembled and assembled, when the outer-layer cover body is damaged due to collision, the outer-layer cover body can be rapidly replaced, and the whole cover body does not need to be replaced.

Description

Technical Field

[0001] The utility model relates to the technical field of sound insulation covers, in particular to a double-layer sound insulation cover for a mixer. Background Art

[0002] When the blender is working, the motor in the main unit drives the mixing blade to rotate in the mixing cup, and then mixes and crushes the ingredients in the cup. However, the crushing will produce a lot of noise, so some manufacturers add a sound insulation cover to the blender. When the sound insulation cover is installed on the blender, it can cover the mixing cup at the same time to isolate and reduce the crushing noise. In order to improve the sound insulation effect, a double-layer sound insulation cover is currently used for sound insulation.

[0003] At present, if a double-layer sound insulation cover is damaged due to a collision, the damaged part is generally the outer layer of the sound insulation cover. However, when it needs to be replaced, it needs to be replaced as a whole, which is costly and cannot well meet people's usage needs. Utility Model Content

[0004] In view of the above-mentioned defects, the purpose of the utility model is to propose a double-layer sound-absorbing and sound-proofing cover for a mixer, so as to solve the problem that if the current double-layer sound-proofing cover is damaged due to collision, the damaged part is generally the outer layer of the sound-proofing cover, but when it needs to be replaced, it needs to be replaced as a whole, which is costly and cannot meet people's usage needs well.

[0005] To achieve this purpose, the utility model adopts the following technical solutions:

[0006] A double-layer sound-absorbing and sound-isolating cover for a mixer comprises an outer cover body and an inner cover body, wherein the outer cover body is located outside the inner cover body, a sealing block is provided at the inner top end of the outer cover body, and a sealing cover is provided at the inner top end of the inner cover body, a through hole matched with the sealing block is opened at the outer top end of the inner cover body, the bottom end of the through hole penetrates the inner top end of the inner cover body, the bottom end of the sealing block penetrates the through hole and extends into the sealing cover, positioning blocks are symmetrically provided on both sides of the sealing block in the sealing cover, positioning grooves matched with the positioning blocks are symmetrically provided on both sides of the sealing block, and a spacing adjustment component is also provided in the sealing cover, and the spacing adjustment component is used to drive the two positioning blocks to move in or out of the positioning grooves.

[0007] Preferably, the spacing adjustment assembly includes positive and negative threaded rods, the outer surfaces of the positive and negative threaded rods are symmetrically threadedly connected with movable plates, the positioning blocks are provided on adjacent sides of the two movable plates, the inner bottom end of the sealing cover is provided with a sliding groove, and the bottom end of each movable plate is provided with a sliding block that slides with the sliding groove.

[0008] Preferably, one end of the forward and reverse threaded rod passes through the sealing cover and extends to the outside to be connected with a driving handle.

[0009] Preferably, a sealing ring is embedded in the through hole, and the sealing ring is tightly fitted between the sealing block and the through hole.

[0010] Preferably, a retaining ring is provided at the bottom end of the outer wall of the inner cover body, a plurality of slots are provided at the top end of the retaining ring, and a plurality of clamping blocks are provided at the bottom end of the outer cover body, and the clamping blocks are engaged and connected with the slots.

[0011] Preferably, the retaining ring and the inner cover body are an integrally formed structure.

[0012] Preferably, the outer cover body and the inner cover body both include a sound-absorbing cotton layer, a damping sound insulation board layer and a protective layer which are connected in sequence, the sound-absorbing cotton layer is located inside the outer cover body and the inner cover body, and the protective layer is located outside the outer cover body and the inner cover body.

[0013] The technical solution provided by the utility model may have the following beneficial effects:

[0014] By driving the two positioning blocks to move in or out of the positioning grooves through the spacing adjustment component, the sealing block can be conveniently fixed or separated from the sealing cover, thereby facilitating the disassembly and assembly between the outer cover body and the inner cover body. When the outer cover body is damaged due to collision, the outer cover body can be quickly replaced without replacing the entire cover body. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a sectional view of the overall structure of the utility model;

[0016] Figure 2 The utility model Figure 1 A magnified view of area A in;

[0017] Figure 3 The utility model Figure 1 A magnified view of area B in FIG.

[0018] Figure 4 It is a structural schematic diagram of the outer cover body and the inner cover body of the utility model.

[0019] Among them: 1. outer cover; 11. clamping block; 2. inner cover; 21. through hole; 211. sealing ring; 22. retaining ring; 23. clamping groove; 3. sealing block; 31. positioning groove; 4. sealing cover; 41. positioning block; 42. positive and negative threaded rod; 421. driving handle; 43. moving plate; 44. sliding groove; 45. sliding block; 5. sound-absorbing cotton layer; 6. damping sound insulation board layer; 7. protective layer. DETAILED DESCRIPTION

[0020] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0021] In the description of the present invention, it should be understood that the terms "longitudinal", "transverse", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, features defined as "first" or "second" may explicitly or implicitly include one or more of the features, and are used to distinguish and describe features, without distinction of order or importance.

[0022] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0023] Below is the attached figure Figures 1 to 4 The technical solution of the utility model is further illustrated by specific implementation methods.

[0024] like Figure 1-4 As shown, a double-layer sound-absorbing and sound-isolating cover for a mixer comprises an outer cover body 1 and an inner cover body 2, wherein the outer cover body 1 is located outside the inner cover body 2, a sealing block 3 is provided at the inner top end of the outer cover body 1, and a sealing cover 4 is provided at the inner top end of the inner cover body 2, a through hole 21 adapted to the sealing block 3 is opened at the outer top end of the inner cover body 2, the bottom end of the through hole 21 penetrates the inner top end of the inner cover body 2, the bottom end of the sealing block 3 penetrates the through hole 21 and extends into the sealing cover 4, positioning blocks 41 are symmetrically provided on both sides of the sealing block 3 in the sealing cover 4, positioning grooves 31 adapted to the positioning blocks 41 are symmetrically provided on both sides of the sealing block 3, and a spacing adjustment component is also provided in the sealing cover 4, and the spacing adjustment component is used to drive the two positioning blocks 41 to move in or out of the positioning grooves 31.

[0025] The present solution drives the two positioning blocks 41 to move in or out of the positioning groove 31 through a spacing adjustment component, and can conveniently fix or separate the sealing block 3 and the sealing cover 4, thereby facilitating the disassembly and assembly between the outer cover body 1 and the inner cover body 2. When the outer cover body 1 is damaged due to collision, the outer cover body 1 can be quickly replaced without replacing the entire cover body.

[0026] Furthermore, when using the sound-absorbing and sound-isolating cover, the mixer cover can be arranged inside the inner cover body 2, and the noise generated by the mixer during operation can be isolated and reduced by using the inner cover body 2 and the outer cover body 1 in coordination.

[0027] like Figure 1-2 As shown, the spacing adjustment assembly includes forward and reverse threaded rods 42, the outer surfaces of the forward and reverse threaded rods 42 are symmetrically threadedly connected with movable plates 43, the adjacent sides of the two movable plates 43 are provided with the positioning blocks 41, the inner bottom end of the sealing cover 4 is provided with a slide groove 44, and the bottom end of each movable plate 43 is provided with a slider 45 that slides with the slide groove 44.

[0028] Specifically, during the rotation of the forward and reverse threaded rods 42, the two movable plates 43 move closer to or farther from each other through the sliding cooperation between the slider 45 and the slide groove 44, thereby driving the two positioning blocks 41 to move closer to or farther from each other, so that the two positioning blocks 41 move in or out of the positioning groove 31.

[0029] like Figure 2 As shown, one end of the forward and reverse threaded rod 42 passes through the sealing cover 4 and extends to the outside to be connected with a driving handle 421 .

[0030] Specifically, the driving handle 421 can be provided to facilitate the operator to drive the forward and reverse threaded rod 42 to rotate.

[0031] like Figure 2 As shown, a sealing ring 211 is embedded in the through hole 21 , and the sealing ring 211 is tightly fitted between the sealing block 3 and the through hole 21 .

[0032] Specifically, the gap between the sealing block 3 and the through hole 21 is sealed by the sealing ring 211 , so that noise can be prevented from leaking through the gap between the sealing block 3 and the through hole 21 .

[0033] like Figure 1 and 3 As shown, a retaining ring 22 is provided at the bottom end of the outer wall of the inner cover body 2, and a plurality of slots 23 are provided at the top end of the retaining ring 22. A plurality of clamping blocks 11 are provided at the bottom end of the outer cover body 1, and the clamping blocks 11 are engaged with the slots 23.

[0034] Specifically, by means of the engagement connection between the clamping block 11 and the clamping slot 23 , the connection between the outer cover body 1 and the inner cover body 2 can be made tighter, and the assembly and disassembly between the outer cover body 1 and the inner cover body 2 can be facilitated.

[0035] like Figure 1 and 3 As shown, the retaining ring 22 and the inner cover body 2 are an integrally formed structure.

[0036] Specifically, the retaining ring 22 and the inner cover body 2 are an integrally formed structure, which can facilitate the manufacture of the retaining ring 22 .

[0037] like Figure 4 As shown, the outer cover body 1 and the inner cover body 2 both include a sound-absorbing cotton layer 5, a damping sound insulation board layer 6 and a protective layer 7 which are connected in sequence; the sound-absorbing cotton layer 5 is located inside the outer cover body 1 and the inner cover body 2, and the protective layer 7 is located outside the outer cover body 1 and the inner cover body 2.

[0038] Specifically, the sound-absorbing cotton layer 5 has a sound insulation effect, the damping sound insulation board layer 6 can further soundproof, thereby improving the sound insulation effect of the outer cover body 1 and the inner cover body 2, and the protective layer 7 can protect the outer cover body 1 and the inner cover body 2 to prevent the outer surfaces of the outer cover body 1 and the inner cover body 2 from being easily scratched.

[0039] The technical principle of the present invention is described above in combination with specific embodiments. These descriptions are only for explaining the principle of the present invention and cannot be interpreted as limiting the protection scope of the present invention in any way. Based on the explanations here, technicians in this field can think of other specific implementation methods of the present invention without creative work, and these methods will fall within the protection scope of the present invention.

Claims

1. A double-layer sound-absorbing and sound-proofing cover for a mixer, characterized in that: The invention comprises an outer cover body (1) and an inner cover body (2), wherein the outer cover body (1) is located outside the inner cover body (2), a sealing block (3) is provided at the inner top end of the outer cover body (1), a sealing cover (4) is provided at the inner top end of the inner cover body (2), a through hole (21) adapted to the sealing block (3) is provided at the outer top end of the inner cover body (2), the bottom end of the through hole (21) passes through the inner top end of the inner cover body (2), and the sealing block (3) is provided at the inner top end of the inner cover body (2). The bottom end of the sealing block (3) passes through the through hole (21) and extends into the sealing cover (4); positioning blocks (41) are symmetrically arranged on both sides of the sealing block (3) in the sealing cover (4); positioning grooves (31) adapted to the positioning blocks (41) are symmetrically arranged on both sides of the sealing block (3); and a spacing adjustment component is also arranged in the sealing cover (4); the spacing adjustment component is used to drive the two positioning blocks (41) to move in or out of the positioning grooves (31).

2. The double-layer sound-absorbing and sound-isolating cover for a mixer according to claim 1, characterized in that: The spacing adjustment assembly comprises a positive and negative threaded rod (42), the outer surface of the positive and negative threaded rod (42) is symmetrically threadedly connected to a movable plate (43), the adjacent sides of the two movable plates (43) are each provided with the positioning block (41), the inner bottom end of the sealing cover (4) is provided with a sliding groove (44), and the bottom end of each movable plate (43) is provided with a sliding block (45) that slidably cooperates with the sliding groove (44).

3. The double-layer sound-absorbing and sound-isolating cover for a mixer according to claim 2 is characterized in that: One end of the forward and reverse threaded rod (42) passes through the sealing cover (4) and extends to the outside to be connected to a driving handle (421).

4. The double-layer sound-absorbing and sound-isolating cover for a mixer according to claim 1 is characterized in that: A sealing ring (211) is embedded in the through hole (21), and the sealing ring (211) is tightly fitted between the sealing block (3) and the through hole (21).

5. The double-layer sound-absorbing and sound-isolating cover for a mixer according to claim 1 is characterized in that: A retaining ring (22) is provided at the bottom end of the outer wall of the inner cover body (2), a plurality of slots (23) are provided at the top end of the retaining ring (22), and a plurality of clamping blocks (11) are provided at the bottom end of the outer cover body (1), and the clamping blocks (11) are clamped and connected with the clamping slots (23).

6. The double-layer sound-absorbing and sound-isolating cover for a mixer according to claim 5, characterized in that: The retaining ring (22) and the inner cover body (2) are an integrally formed structure.

7. The double-layer sound-absorbing and sound-isolating cover for a mixer according to claim 1 is characterized in that: The outer cover (1) and the inner cover (2) both comprise a sound-absorbing cotton layer (5), a damping sound insulation board layer (6) and a protective layer (7) which are connected in sequence; the sound-absorbing cotton layer (5) is located inside the outer cover (1) and the inner cover (2), and the protective layer (7) is located outside the outer cover (1) and the inner cover (2).

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