Engine hood sound insulation board convenient to fix

Abstract

The utility model discloses an engine hood sound insulation board convenient to fix, which comprises a first fixing piece, and the first fixing piece comprises a first fixing box, a transmission shaft, an adjusting knob, a first helical gear, a double-thread rod, a second helical gear, a vertical rod, a movable block, a connecting rod and a first inserting block; the second inserting block is fixedly mounted on the rear side of the first fixing box; and the sound insulation plate is fixed between the upper first fixing box and the lower first fixing box through a second fixing piece, and the second fixing piece comprises a second fixing box, a third inserting block, a connecting block, a sliding block, a transverse rod, a spring, a fixing block, an auxiliary rod, a threaded rod and a threaded sleeve. And when the sound insulation plate is damaged, only the damaged sound insulation plate needs to be replaced independently, replacement is convenient, the situation that the first fixing piece and the second fixing piece are replaced together can be avoided, and resource waste can be reduced.

Description

Technical Field

[0001] The utility model relates to the field of sound insulation boards, in particular to an engine hood sound insulation board which is easy to fix. Background Art

[0002] Since the engine generates a lot of noise when it is working, a protective shell with noise reduction function, namely the engine hood, is usually installed on the outside of the engine.

[0003] Patent 202120880394X of the prior art discloses a noise-reducing protective shell for an automobile engine, which accurately positions the automobile engine inside the protective shell cover through an upper positioning block and a lower positioning plate, and under the action of a second spring and a first spring, can provide buffering protection for the automobile engine to reduce damage to the automobile engine. Secondly, a sound insulation board is provided inside the protective shell cover, and after the noise passes through the silencer holes provided on the sound insulation board and reaches the inside of the silencer pipe, a better noise reduction effect is achieved.

[0004] However, the patented product was found to still have the following defects during actual use: since the sound insulation board is not provided with components for easy fixation, it is not convenient to directly fix the sound insulation board during installation. Utility Model Content

[0005] In view of the above defects or shortcomings in the prior art, it is desired to provide an engine hood sound insulation panel that is easy to fix, which facilitates the fixation of the sound insulation panel and allows only the damaged sound insulation panel to be replaced when the sound insulation panel is damaged, which not only makes replacement convenient but also reduces resource waste.

[0006] According to the technical solution provided by the embodiment of the present application, a hood sound insulation board that is easy to fix includes a first fixing member, the first fixing member includes a first fixing box, a transmission shaft, an adjusting button, a first bevel gear, a double-threaded rod, a second bevel gear, a vertical rod, a movable block, a connecting rod and a first plug block; the transmission shaft is connected to the first fixing box through a first bearing, the adjusting button is fixedly mounted on one end of the transmission shaft, the first bevel gear is fixedly mounted on the other end of the transmission shaft, the first bevel gear is meshed with the second bevel gear, the second bevel gear is fixedly mounted on the outside of the double-threaded rod, the vertical rod is fixedly mounted inside the first fixing box, the double-threaded rod is connected to the first fixing box through a second bearing, the outside of the double-threaded rod is provided with a first thread and a second thread, the movable block on one side is screwed on the outside of the first thread, and the movable block on the other side is screwed on the outside of the second thread, the movable block is in sliding contact with the vertical rod, the side of the movable block is provided with a first sliding through hole corresponding to the vertical rod, the connecting rod is fixedly mounted on the side of the movable block, and the first plug block is fixedly mounted on the side of the connecting rod;

[0007] a second plug-in block, the second plug-in block being fixedly mounted on the rear side of the first fixing box; the first plug-in block being located inside the second plug-in block, a slot being provided inside the second plug-in block, a first opening being provided on a side surface of the first fixing box, the connecting rod passing through the first opening, and a second opening corresponding to the first plug-in block being provided on a side surface of the second plug-in block;

[0008] A sound insulation board, wherein the sound insulation board is fixed between the first fixing boxes at the upper and lower parts through a second fixing member, wherein the second fixing member comprises a second fixing box, a third plug block, a connecting block, a sliding block, a cross bar, a spring, a fixing block, an auxiliary rod, a screw and a screw sleeve, wherein the second fixing box is fixedly connected to the first fixing box, the third plug block is fixedly connected to the connecting block, the sliding block is fixedly mounted on the side of the connecting block, the cross bar is fixedly mounted inside the second fixing box, the sliding block is in sliding contact with the cross bar, the side of the sliding block is provided with a second sliding through hole corresponding to the cross bar, and the spring is connected between the connecting block and the Between the second fixing boxes, a fourth opening is provided on the front side of the second fixing box, the connecting block passes through the fourth opening, a third opening corresponding to the third plug-in block is provided on the side of the second fixing box, a slot corresponding to the third plug-in block is provided on the side of the sound insulation board, an end of the third plug-in block passes through the third opening and is inserted into the slot, the fixing block is fixedly installed on the front side of the second fixing box, the auxiliary rod is connected to the outside of the screw rod, a through hole corresponding to the screw rod is provided on the side of the auxiliary rod, the screw rod is fixedly connected to the side of the connecting block, and the screw sleeve is screwed on the outside of the screw rod.

[0009] In summary, the beneficial effects of this application are:

[0010] 1. The first fixing member and the second plug block are provided to facilitate the fixing of the sound insulation board;

[0011] 2. By setting the second fixing member, when the sound insulation board is damaged, only the damaged sound insulation board needs to be replaced separately, which is not only convenient for replacement, but also avoids replacing the first fixing member and the second fixing member at the same time, thereby reducing resource waste. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Other features, objects and advantages of the present application will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings:

[0013] Figure 1 It is a schematic diagram of the structure of the utility model;

[0014] Figure 2 It is a side view structural diagram of the connection between the first fixing member and the second plug block of the utility model;

[0015] Figure 3 This is a schematic diagram of the structure of the connection between the sound insulation board and the second fixing member of the utility model;

[0016] Figure 4 It is a side view structural schematic diagram of the connection between the connecting block, auxiliary rod, screw rod and screw sleeve of the utility model.

[0017] Numbers in the figure: 1, first fixing member; 2, first fixing box; 3, transmission shaft; 4, adjusting button; 5, first bevel gear; 6, double-threaded rod; 7, second bevel gear; 8, vertical rod; 9, movable block; 10, connecting rod; 11, first plug-in block; 12, second plug-in block; 13, sound insulation board; 14, second fixing member; 15, second fixing box; 16, third plug-in block; 17, connecting block; 18, sliding block; 19, cross bar; 20, spring; 21, fixing block; 22, auxiliary rod; 23, screw rod; 24, screw sleeve. DETAILED DESCRIPTION

[0018] The present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the relevant utility model, rather than to limit the utility model. It is also necessary to explain that, for ease of description, only the parts related to the utility model are shown in the accompanying drawings.

[0019] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0020] Please refer to Figure 1-Figure 4 A sound insulation board for an engine hood that is easy to fix includes a first fixing member 1, the first fixing member 1 includes a first fixing box 2, a transmission shaft 3, an adjusting button 4, a first bevel gear 5, a double-threaded rod 6, a second bevel gear 7, a vertical rod 8, a movable block 9, a connecting rod 10 and a first plug block 11; a second plug block 12, the second plug block 12 is fixedly installed on the rear side of the first fixing box 2; a sound insulation board 13, the sound insulation board 13 is fixed between the upper and lower first fixing boxes 2 through a second fixing member 14, the second fixing member 14 includes a second fixing box 15, a third plug block 16, a connecting block 17, a sliding block 18, a cross bar 19, a spring 20, a fixing block 21, an auxiliary rod 22, a screw 23 and a screw sleeve 24.

[0021] like Figure 1 and Figure 2As shown, the transmission shaft 3 is connected to the first fixed box 2 through a first bearing, the adjustment button 4 is fixedly mounted on one end of the transmission shaft 3, the first bevel gear 5 is fixedly mounted on the other end of the transmission shaft 3, the first bevel gear 5 is meshed with the second bevel gear 7, and the second bevel gear 7 is fixedly mounted on the outside of the double-threaded rod 6. The vertical rod 8 is fixedly mounted inside the first fixed box 2, the double-threaded rod 6 is connected to the first fixed box 2 through a second bearing, the outside of the double-threaded rod 6 is provided with a first thread and a second thread, the movable block 9 is screwed on the outside of the first thread on one side, and the movable block 9 is screwed on the outside of the second thread on the other side, the movable block 9 is in sliding contact with the vertical rod 8, the side of the movable block 9 is provided with a first sliding through hole corresponding to the vertical rod 8, which facilitates the sliding of the movable block 9, the connecting rod 10 is fixedly mounted on the side of the movable block 9, and the first plug block 11 is fixedly mounted on the side of the connecting rod 10.

[0022] like Figure 1-Figure 4 As shown, the first plug block 11 is located inside the second plug block 12, the second plug block 12 is provided with a slot inside, the first fixed box 2 is provided with a first opening on the side, the connecting rod 10 passes through the first opening, and the second plug block 12 is provided with a second opening corresponding to the first plug block 11 on the side, which facilitates the passage of the first plug block 11. The second fixed box 15 is fixedly connected to the first fixed box 2, the third plug block 16 is fixedly connected to the connecting block 17, the sliding block 18 is fixedly installed on the side of the connecting block 17, the cross bar 19 is fixedly installed inside the second fixed box 15, the sliding block 18 is in sliding contact with the cross bar 19, and the side of the sliding block 18 is provided with a second sliding through hole corresponding to the cross bar 19, which facilitates the sliding of the sliding block 18, the spring 20 is connected between the connecting block 17 and the second fixed box 15, and the front side of the second fixed box 15 is provided with a fourth opening, and the connecting block 17 passes through the fourth opening.

[0023] like Figure 1 , Figure 3 and Figure 4As shown, the side of the second fixing box 15 is provided with a third opening corresponding to the third plug block 16, which facilitates the passage of the third plug block 16. The side of the sound insulation board 13 is provided with a slot corresponding to the third plug block 16, and the end of the third plug block 16 passes through the third opening and is inserted into the slot. The fixing block 21 is fixedly installed on the front side of the second fixing box 15, the auxiliary rod 22 is connected to the outside of the screw rod 23, and the side of the auxiliary rod 22 is provided with a through hole corresponding to the screw rod 23. The length of the auxiliary rod 22 is equal to the distance between the top of the fixing block 21 above and the bottom of the fixing block 21 below. The screw rod 23 is fixedly connected to the side of the connecting block 17, and the screw sleeve 24 is screwed to the outside of the screw rod 23.

[0024] When in use: first, a slot A matching the first plug block 11 and a slot B matching the second plug block 12 are respectively opened on the inner wall of the protective shell, i.e., the engine cover, and then the second plug block 12 is inserted into the slot B, and the adjusting knob 4 of the first fixing member 1 is rotated, which can drive the transmission shaft 3 and the first bevel gear 5 to rotate, and the first bevel gear 5 can drive the second bevel gear 7 and the double-threaded rod 6 to rotate, and the double-threaded rod 6 can drive the movable blocks 9 and the connecting rod 10 on both sides to move away from each other, so that the end of the first plug block 11 can be inserted into the slot A, thereby facilitating the fixing of the sound insulation board 13. When the sound insulation board 13 is damaged, the connecting block 17 of the second fixing member 14 is first pulled to make the connecting block 17 and the fixing block 21 in the same vertical direction, and the end of the third plug block 16 is moved out of the slot of the sound insulation board 13, and then the screw sleeve 24 is unscrewed, and the auxiliary rod 22 is rotated to make the auxiliary rod 22 in an upright state, and then the screw sleeve 24 is tightened to keep the spring 20 in an extruded state, and then only the damaged sound insulation board 13 can be replaced separately, which is not only convenient for replacement, but also can avoid the first fixing member 1 and the second fixing member 14 from being replaced together, and can reduce resource waste.

[0025] The above description is only an explanation of the preferred embodiments of the present application and the technical principles and other schemes used. At the same time, the scope of the utility model involved in the present application is not limited to the technical scheme formed by a specific combination of the above technical features, but also includes other technical schemes formed by any combination of the above technical features or their equivalent features without departing from the concept of the utility model. For example, the above features are replaced with the technical features with similar functions disclosed in the present application (but not limited to) to form a technical scheme.

Claims

1. An engine hood sound insulation board that is easy to fix, characterized by: The invention comprises a first fixing member (1), wherein the first fixing member (1) comprises a first fixing box (2), a transmission shaft (3), an adjusting button (4), a first bevel gear (5), a double-threaded rod (6), a second bevel gear (7), a vertical rod (8), a movable block (9), a connecting rod (10) and a first plug block (11); A second plug-in block (12), the second plug-in block (12) being fixedly mounted on the rear side of the first fixing box (2); A sound insulation board (13), wherein the sound insulation board (13) is fixed between the first fixing boxes (2) at the upper and lower parts via a second fixing member (14), wherein the second fixing member (14) comprises a second fixing box (15), a third plug block (16), a connecting block (17), a sliding block (18), a cross bar (19), a spring (20), a fixing block (21), an auxiliary rod (22), a screw rod (23) and a screw sleeve (24).

2. The engine hood sound insulation board that is easy to fix according to claim 1 is characterized by: The transmission shaft (3) is connected to the first fixed box (2) via a first bearing, the adjusting button (4) is fixedly mounted on one end of the transmission shaft (3), the first bevel gear (5) is fixedly mounted on the other end of the transmission shaft (3), the first bevel gear (5) is meshed with the second bevel gear (7), and the second bevel gear (7) is fixedly mounted on the outer side of the double-threaded rod (6).

3. The engine hood sound insulation board that is easy to fix according to claim 1 is characterized by: The vertical rod (8) is fixedly mounted inside the first fixing box (2); the double-threaded rod (6) is connected to the first fixing box (2) via a second bearing; the outer side of the double-threaded rod (6) is provided with a first thread and a second thread; the movable block (9) is screwed on the outer side of the first thread on one side and screwed on the outer side of the second thread on the other side; the movable block (9) is in sliding contact with the vertical rod (8); the side of the movable block (9) is provided with a first sliding through hole corresponding to the vertical rod (8); the connecting rod (10) is fixedly mounted on the side of the movable block (9); and the first plug block (11) is fixedly mounted on the side of the connecting rod (10).

4. The engine hood sound insulation board that is easy to fix according to claim 1 is characterized by: The first plug block (11) is located inside the second plug block (12), a slot is provided inside the second plug block (12), a first opening is provided on a side surface of the first fixing box (2), the connecting rod (10) passes through the first opening, and a second opening corresponding to the first plug block (11) is provided on a side surface of the second plug block (12).

5. The engine hood sound insulation board that is easy to fix according to claim 1 is characterized by: The second fixed box (15) is fixedly connected to the first fixed box (2), the third plug block (16) is fixedly connected to the connecting block (17), the sliding block (18) is fixedly installed on the side of the connecting block (17), the cross bar (19) is fixedly installed inside the second fixed box (15), the sliding block (18) is in sliding contact with the cross bar (19), the side of the sliding block (18) is provided with a second sliding through hole corresponding to the cross bar (19), the spring (20) is connected between the connecting block (17) and the second fixed box (15), the front side of the second fixed box (15) is provided with a fourth opening, and the connecting block (17) passes through the fourth opening.

6. The engine hood sound insulation board that is easy to fix according to claim 1 is characterized by: A third opening corresponding to the third plug-in block (16) is provided on a side surface of the second fixing box (15), a slot corresponding to the third plug-in block (16) is provided on a side surface of the sound insulation board (13), and an end portion of the third plug-in block (16) passes through the third opening and is inserted into the slot.

7. The engine hood sound insulation board that is easy to fix according to claim 1 is characterized by: The fixing block (21) is fixedly mounted on the front side of the second fixing box (15); the auxiliary rod (22) is connected to the outer side of the screw rod (23); a through hole corresponding to the screw rod (23) is provided on the side of the auxiliary rod (22); the screw rod (23) is fixedly connected to the side of the connecting block (17); and the screw sleeve (24) is screwed to the outer side of the screw rod (23).

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