Lifting vehicle-mounted sound box

Abstract

The utility model provides a lifting vehicle-mounted sound box, which comprises a shell, a lifting platform arranged on the shell in a lifting manner, a driving wheel and a screw rod, the driving wheel and the screw rod are used for driving the lifting platform to lift, the screw rod is sleeved on the inner side of the driving wheel in a sliding manner, and a clutch mechanism is arranged between the driving wheel and the screw rod. The clutch mechanism is used for achieving power connection or separation of the driving wheel and the lead screw. The clutch mechanism comprises a clutch ratchet wheel which is arranged on the outer side of the lead screw in a sleeving mode and can be meshed with the driving wheel, a pushing piece is installed between the clutch ratchet wheel and the shell, and in a normal state, the pushing piece pushes the clutch ratchet wheel to enable the clutch ratchet wheel to be meshed with the driving wheel. When the lifting platform is pressed downwards, the lead screw drives the clutch ratchet wheel to slide downwards so that the clutch ratchet wheel can be separated from the driving wheel. The lifting vehicle-mounted sound box provided by the utility model overcomes the defect that a driving part is damaged when a conventional vehicle-mounted sound box is lifted under the condition that a heavy object is pressed on the vehicle-mounted sound box.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of vehicle audio, especially a lifting vehicle audio box. BACKGROUND

[0002] With the continuous development of science and technology, cars have become an indispensable means of transportation in people's daily life. In order to improve the driving experience and increase the driving pleasure, vehicle audio is an important part of the car. In some high configuration vehicles, lifting vehicle audio is generally used.

[0003] As patent number CN218416635U discloses a sound lifting structure, when music needs to be played, only the driving assembly is controlled to drive the lead screw to rotate through the transmission assembly, the lead screw is matched with the first guide rail through the thread to make the sliding block slide upward, the sliding block drives the sound assembly to rise upward, so that the sound assembly is lifted and better sound effect is obtained; after use, only the driving assembly is controlled in the opposite direction, the lead screw is driven to rotate in the opposite direction through the transmission assembly, so that the sliding block drives the sound assembly to descend, and the space in the car is no longer occupied. In the above structure, the lifting mode driven by the lead screw is used, and in the case that there is a heavy object on the sound assembly, when the lead screw and the driving assembly are driven to rise, the load of the driving assembly is increased, the components of the lead screw and the driving assembly are easily damaged, the service life is shortened, and the use effect is poor. UTILITY MODEL CONTENTS

[0004] (I) Technical problem to be solved

[0005] The problem to be solved by the utility model is to provide a lifting vehicle audio box to overcome the defect that the driving components are damaged when the existing vehicle audio is lifted in the case that there is a heavy object on it.

[0006] (II) Technical scheme

[0007] To solve the technical problem, the utility model provides a lifting vehicle audio box, which comprises a shell, a lifting platform which can be lifted and installed on the shell, and a driving wheel and a lead screw for driving the lifting platform to lift, the lead screw is sleeved on the inner side of the driving wheel, a clutch mechanism is installed between the driving wheel and the lead screw, and the clutch mechanism is used for realizing the power connection or separation of the driving wheel and the lead screw; the clutch mechanism comprises a clutch ratchet which is sleeved on the outer side of the lead screw and can be engaged with the driving wheel, a pushing piece is installed between the clutch ratchet and the shell, the pushing piece pushes the clutch ratchet to engage with the driving wheel in the normal state; when the lifting platform is pressed down, the lead screw drives the clutch ratchet to slide down to separate the clutch ratchet from the driving wheel.

[0008] In some embodiments, a plurality of clutching teeth are arranged at equal intervals on one end of the clutching ratchet wheel, and a clutching tooth groove is arranged on the driving wheel to match the clutching teeth.

[0009] In some embodiments, a limiting pin is installed on the screw rod at the position of the clutching ratchet wheel, and a limiting pin groove is arranged on the clutching ratchet wheel to accommodate the limiting pin.

[0010] In some embodiments, an upper convex base is arranged at intervals in the shell, an upper bearing is installed on the upper convex base, and an upper flange is arranged on the end of the lower convex base, and the driving wheel is limited between the upper bearing and the upper flange.

[0011] In some embodiments, a lower bearing is installed in the lower convex base, a shaft sleeve is installed on the shell at the top end of the screw rod, and the screw rod is slidably arranged in the shaft sleeve, the upper bearing and the lower bearing.

[0012] In some embodiments, a gasket is installed on the upper side of the lower bearing, a spring groove is arranged on one end of the clutching ratchet wheel facing the gasket, and the pusher is a spring with one end abutting on the gasket and the other end abutting in the spring groove.

[0013] In some embodiments, a lifting slide is arranged at the lower end of the lifting platform, the lifting slide is arranged in the shell, a screw groove is arranged on the lifting slide to match the screw rod, guide rods are symmetrically installed in the shell to guide the lifting slide, and a buffer column is symmetrically installed on the lifting slide to buffer.

[0014] In some embodiments, guide rod fixing bases are symmetrically installed on both sides of the lifting slide, the guide rods are arranged in the guide rod fixing bases, a U-shaped groove is arranged on the lifting slide, a plurality of limiting grooves are arranged at intervals in the U-shaped groove in a straight line direction, and limiting blocks are arranged on the guide rod fixing bases to match the limiting grooves.

[0015] In some embodiments, a driving motor is installed in the shell, a worm is installed on the motor shaft of the driving motor, the worm is arranged close to the driving wheel, and the driving wheel is a worm wheel engaged with the worm.

[0016] In some embodiments, the shell comprises a main shell, a base fixed at the lower end of the main shell, and a side cover fixed on one side of the main shell, the driving motor, the worm, the driving wheel and the clutching ratchet wheel are arranged in the base, and a circuit board is installed on the side cover.

[0017] (Three) beneficial effects

[0018] The utility model provides a kind of lift vehicle-mounted sound box, add clutch mechanism, by clutch ratchet and pusher cooperation, normality pusher pushes clutch ratchet and makes it mesh with driving wheel, driving motor rotates driving wheel by worm drive, driving wheel rotates screw by clutch ratchet, and then screw drives lift platform to lift, to realize normal lifting process;In the process of lifting, if heavy object is pressed on the sound, heavy object will make lift platform and screw slide down, screw drives clutch ratchet to slide down and make it disengage driving wheel, driving wheel and worm idle at this time, to protect driving wheel and worm, prolong service life;Overcome the defect that driving part is damaged when existing vehicle-mounted sound is lifted under the condition that heavy object is pressed on it. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0020] Figure 1 It is a perspective view of the utility model lift vehicle-mounted sound box;

[0021] Figure 2 It is an explosion view of the utility model lift vehicle-mounted sound box;

[0022] Figure 3 It is a sectional view of the utility model lift vehicle-mounted sound box;

[0023] Figure 4 It is a perspective view of the utility model lift vehicle-mounted sound box after removing base;

[0024] Figure 5 It is a perspective view of the utility model lift vehicle-mounted sound box clutch mechanism;

[0025] Figure 6 It is an explosion view of the utility model lift vehicle-mounted sound box clutch mechanism;

[0026] Figure 7 It is a perspective view of the utility model lift vehicle-mounted sound box screw and clutch ratchet connection;

[0027] Figure 8 It is a perspective view of the utility model lift vehicle-mounted sound box clutch ratchet;

[0028] Figure 9 It is a perspective view of the utility model lift vehicle-mounted sound box base;

[0029] The corresponding component names of the various reference numerals in the figures are as follows: 1, housing; 101, upper boss; 102, lower boss; 103, upper flange; 2, lifting platform; 201, lifting slide; 202, helical groove; 203, U-shaped groove; 204, limiting groove; 3, drive wheel; 301, clutch tooth groove; 4, lead screw; 5, buffer column; 6, clutch ratchet; 601, clutch teeth; 602, limit pin groove; 603, spring groove; 7, pusher; 8, limit pin; 9, upper bearing; 10, lower bearing; 11, shaft sleeve; 12, gasket; 13, guide rod; 14, guide rod fixing seat; 141, limit bump; 15, drive motor; 16, worm; 17, main housing; 18, base; 19, side cover; 20, circuit board. DETAILED DESCRIPTION

[0030] The present application will be described in detail below with reference to the drawings and specific embodiments.

[0031] The embodiments of this application are illustrated by way of example with reference to the accompanying drawings. Obviously, the embodiments described are only a part of embodiments of this application, rather than all the embodiments. This application can be implemented or applied in other different embodiments besides the ones described. Various modifications and changes in the specification can be made based on different viewpoints and applications without departing from the spirit of this application. It should be noted that the following embodiments and features in the embodiments can be combined with each other without conflict. Based on the embodiments in this application, any other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of this application.

[0032] It should be noted that the various aspects described below are within the scope of the appended claims. It should be apparent that the aspects described herein can be embodied in a wide variety of forms and that any specific structure and / or function described herein is merely illustrative. Based on the teachings herein one skilled in the art should appreciate that an aspect described herein can be implemented independently of any other aspects and that an aspect described herein can be implemented both as any number of software and / or hardware structures and as any number of processes and / or operations. For example, an apparatus can be implemented using any number and combination of the aspects described herein. Additionally, the features described herein can be implemented using any number and combination of hardware and / or software structures and / or processes and / or operations.

[0033] It is also necessary to note that the diagrams provided in the following embodiments only schematically illustrate the basic concepts of the present application, and only show the components related to the present application, not the number, shape and size of the components when actually implemented. The actual implementation of each component may be a random change, and the component layout may be more complex.

[0034] In addition, in the following description, specific details are provided to facilitate a thorough understanding of examples. However, one skilled in the art will understand that examples can be practiced without these specific details.

[0035] The technical solutions provided by the embodiments of the present application are described below in conjunction with the drawings.

[0036] Referring to Figures 1 to 9 , the utility model provides a lift vehicle -mounted sound box, including casing 1, liftable installation casing 1 on the lift platform 2 and be used for driving lift platform 2 lift drive wheel 3 and screw rod 4, lift platform 2 part is placed in casing 1's upper end outside, drive wheel 3 is located in casing 1, screw rod 4 is vertically arranged and is driven to be connected with lift platform 2, and external sound is installed on lift platform 2.

[0037] Referring to Figure 2 and Figure 3 , the lower portion of the screw rod 4 is sleeved on the inner side of the drive wheel 3, that is, the screw rod 4 can slide up and down relative to the drive wheel 3. A clutch mechanism is installed between the drive wheel 3 and the screw rod 4, which is used to realize the power connection or separation of the drive wheel 3 and the screw rod 4. In the normal use state (without heavy object pressing down), the clutch mechanism makes the drive wheel 3 and the screw rod 4 power connected; when the sound has a heavy object pressing down, the clutch mechanism makes the drive wheel 3 and the screw rod 4 power separated. The clutch mechanism includes a clutch ratchet wheel 6 sleeved on the outer side of the screw rod 4 and engageable with the drive wheel 3. The clutch ratchet wheel 6 can slide up and down with the screw rod 4, and the clutch ratchet wheel 6 cannot rotate relative to the screw rod 4. A pushing piece 7 is installed between the clutch ratchet wheel 6 and the casing 1. In the normal state, the pushing piece 7 pushes the clutch ratchet wheel 6 to engage with the drive wheel 3; when the sound has a heavy object, the heavy object presses down the lift platform 2, and the screw rod 4 drives the clutch ratchet wheel 6 to slide down to separate from the drive wheel 3.

[0038] In some embodiments, as shown in Figures 5 to 8 , the clutch ratchet wheel 6 is located directly below the drive wheel 3, and a plurality of clutch teeth 601 are arranged at equal intervals on one end of the clutch ratchet wheel 6 facing the drive wheel 3. A clutch tooth groove 301 is provided on the drive wheel 3 and matched with the clutch teeth 601. When the clutch teeth 601 engage with the clutch tooth groove 301, the drive wheel 3 can drive the screw rod 4 to rotate through the clutch ratchet wheel 6; when the clutch teeth 601 disengage from the clutch tooth groove 301, the drive wheel 3 cannot drive the clutch ratchet wheel 6, and the drive wheel 3 is idle.

[0039] In some embodiments, as shown in Figures 6 to 8 The screw rod 4 is provided with a limiting pin 8 at a position of the clutch ratchet 6, the limiting pin 8 is arranged perpendicularly to the screw rod 4, and both ends of the limiting pin 8 protrude from the screw rod 4; the clutch ratchet 6 is provided with a limiting pin groove 602 for accommodating the limiting pin 8, the limiting pin groove 602 is located at an upper end surface of the clutch ratchet 6 and is communicated with the outside, so as to facilitate the limiting pin 8 to be put into the limiting pin groove 602. Through the limiting pin 8 connecting the clutch ratchet 6, the structure can not only ensure that the clutch ratchet 6 can be pushed to slide downward when the screw rod 4 slides downward, but also ensure that the screw rod 4 can be driven to rotate by the limiting pin 8 when the clutch ratchet 6 rotates.

[0040] In some embodiments, as shown in Figure 3 and Figure 9 The upper convex seat 101 and the lower convex seat 102 are arranged in the shell 1 in a spaced manner, and the upper convex seat 101 and the lower convex seat 102 are oppositely and spacedly arranged. The upper bearing 9 is mounted on the upper convex seat 101, and the lower convex seat 102 is provided with an upper flange 103 at one end facing the driving wheel 3, and the driving wheel 3 is limited between the upper bearing 9 and the upper flange 103. Through the arrangement of the upper flange 103, the friction of the driving wheel 3 rotating can be reduced, and the driving wheel 3 rotates smoothly.

[0041] In some embodiments, as shown in Figure 2 and Figure 3 The lower bearing 10 is mounted in the lower convex seat 102, the shell 1 is provided with a shaft sleeve 11 at a top end of the screw rod 4, and the screw rod 4 is slidably arranged in the shaft sleeve 11, the upper bearing 9 and the lower bearing 10. The shaft sleeve 11, the upper bearing 9 and the lower bearing 10 support the screw rod 4, and the screw rod 4 rotates smoothly.

[0042] In some embodiments, as shown in Figure 2 , Figure 3 and Figure 5 The upper side of the lower bearing 10 is provided with a gasket 12, and the clutch ratchet 6 is provided with a spring groove 603 at one end facing the gasket 12; the pusher 7 is a spring, the spring is sleeved on the clutch ratchet 6, one end of the spring is abutted on the gasket 12, and the other end is abutted in the spring groove 603. Through the adoption of the spring as the pusher 7, when the screw rod 4 is pressed downward, the spring can be compressed; after the weight is removed, the spring can push the clutch ratchet 6 and the screw rod 4 to reset, and the use is convenient.

[0043] In some embodiments, as shown in Figure 2 , Figure 3 and Figure 5As shown, the lower end of the lifting platform 2 is provided with a lifting slide 201 which is arranged in the shell 1, and the lifting slide 201 is provided with a screw groove 202 matched with the lead screw 4; the shell 1 is symmetrically provided with a guide rod 13 for guiding the lifting slide 201, so that the lifting slide 201 can be guided and the movement direction is accurate. The lifting slide 201 is symmetrically provided with a buffer column 5 for buffering, and the buffer column 5 can be made of rubber material, and the two ends of the buffer column 5 protrude from the lifting slide 201; the lifting slide 201 is provided with an open slot, which facilitates the installation of the buffer column 5 in the open slot.

[0044] In some embodiments, as shown in Figure 2 , Figure 3 and Figure 5 , the two sides of the lifting slide 201 are symmetrically provided with a guide rod fixing seat 14, and the guide rod 13 is arranged in the guide rod fixing seat 14; the lifting slide 201 is provided with a U-shaped groove 203, and a plurality of limiting grooves 204 are arranged in the U-shaped groove 203 in a straight line direction, and the guide rod fixing seat 14 is provided with a limiting protrusion 141 matched with the limiting groove 204. This structure adopts a U-shaped groove 203, which facilitates the placement of the guide rod fixing seat 14 into the lifting slide 201 from the side end; and considering the thermal expansion and contraction of the material, which will affect the center distance of the two guide rods 13, the floating type guide rod fixing seat 14 is adopted, and the guide rod fixing seat 14 can automatically adjust the position according to the position of the guide rod 13, and is not affected by temperature.

[0045] In some embodiments, as shown in Figures 2 to 4 , the shell 1 is provided with a driving motor 15, and a worm 16 is arranged on the motor shaft of the driving motor 15, the worm 16 is arranged close to the driving wheel 3, and the driving wheel 3 is a worm wheel engaged with the worm 16. When driving, the driving motor 15 works, the driving motor 15 drives the worm 16 to rotate, the worm 16 drives the driving wheel 3 to rotate, and the driving wheel 3 drives the lead screw 4 to rotate through the clutch ratchet 6.

[0046] In some embodiments, as shown in Figures 1 to 3 , the shell 1 includes a main shell 17, a base 18 fixed to the lower end of the main shell 17, and a side cover 19 fixed to one side of the main shell 17, the driving motor 15, the worm 16, the driving wheel 3 and the clutch ratchet 6 are located in the base 18, the lifting slide 201 is located in the main shell 17, and the circuit board 20 is installed on the side cover 19.

[0047] The lifting vehicle carries the sound box, through the cooperation of the clutch ratchet and the pusher, the pusher pushes the clutch ratchet to engage with the drive wheel in normal state, the drive motor drives the drive wheel to rotate through the worm, the drive wheel drives the screw rod to rotate through the clutch ratchet, and then the screw rod drives the lifting platform to lift, so as to realize the normal lifting process. In the process of lifting, if there is a heavy object on the sound box, the heavy object will make the lifting platform and the screw rod slide down, the screw rod drives the clutch ratchet to slide down to disengage from the drive wheel, at this time the drive wheel and the worm are idling, so as to protect the drive wheel and the worm and prolong the service life; after the heavy object is removed, the lifting platform and the screw rod slide up under the action of the pusher, the clutch ratchet reengages with the drive wheel.

[0048] The same or similar parts among the various embodiments in the specification can be referred to each other, and each embodiment focuses on the difference from other embodiments.

[0049] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can easily think of changes or replacements within the technical range disclosed in the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A lifting vehicle sound box, comprising a shell (1), a lifting platform (2) which can be lifted and installed on the shell (1), and a driving wheel (3) and a lead screw (4) for driving the lifting platform (2) to lift, characterized in that: The screw rod (4) slides in the inner side of the driving wheel (3), a clutch mechanism is installed between the driving wheel (3) and the screw rod (4), which is used for realizing the power connection or separation of the driving wheel (3) and the screw rod (4); the clutch mechanism comprises a clutch ratchet (6) sleeved on the outer side of the screw rod (4) and can be engaged with the driving wheel (3), a pusher (7) is installed between the clutch ratchet (6) and the shell (1), the pusher (7) pushes the clutch ratchet (6) to engage with the driving wheel (3) in normal state; when the lifting platform (2) is pressed down, the screw rod (4) drives the clutch ratchet (6) to slide down to separate from the driving wheel (3).

2. The lift-mounted speaker of claim 1, wherein: A plurality of clutch teeth (601) are arranged at the end of the clutch ratchet (6) towards the driving wheel (3) in a ring shape at equal intervals, and the driving wheel (3) is provided with clutch tooth grooves (301) matched with the clutch teeth (601).

3. The lift-mounted audio system of claim 1, wherein: The screw rod (4) is provided with a limiting pin (8) at the position of the clutch ratchet (6), and the clutch ratchet (6) is provided with a limiting pin groove (602) for accommodating the limiting pin (8).

4. The lift-mounted audio system of claim 1, wherein: The shell (1) is provided with an upper boss (101) and a lower boss (102) at intervals, the upper boss (101) is provided with an upper bearing (9), and the end of the lower boss (102) is provided with an upper flange (103), and the driving wheel (3) is limited between the upper bearing (9) and the upper flange (103).

5. The lift-mounted audio system of claim 4, wherein: The lower boss (102) is provided with a lower bearing (10), the shell (1) is provided with a shaft sleeve (11) at the top end of the screw rod (4), and the screw rod (4) slides in the shaft sleeve (11), the upper bearing (9) and the lower bearing (10).

6. The lift-mounted audio system of claim 5, wherein: The upper side of the lower bearing (10) is provided with a gasket (12), and the end of the clutch ratchet (6) towards the gasket (12) is provided with a spring groove (603); the pusher (7) is a spring, one end of which abuts against the gasket (12), and the other end abuts against the spring groove (603).

7. The lift-mounted audio system of claim 1, wherein: The lower end of the lifting platform (2) is provided with a lifting slide (201), the lifting slide (201) is arranged in the shell (1), and the lifting slide (201) is provided with a spiral groove (202) matched with the screw rod (4); the shell (1) is symmetrically provided with a guide rod (13) for guiding the lifting slide (201), and the lifting slide (201) is symmetrically provided with a buffer column (5) for buffering.

8. The lift-mounted audio system of claim 7, wherein: The lifting slide (201) is symmetrically provided with a guide rod fixing seat (14) on both sides, and the guide rod (13) penetrates the guide rod fixing seat (14); the lifting slide (201) is provided with a U-shaped groove (203), a plurality of limiting grooves (204) are arranged in the U-shaped groove (203) at intervals in a straight line direction, and the guide rod fixing seat (14) is provided with a limiting block (141) matched with the limiting groove (204).

9. The lift-mounted audio system of claim 1, wherein: A driving motor (15) is installed in the shell (1), a worm (16) is installed on the motor shaft of the driving motor (15), the worm (16) is arranged close to the driving wheel (3), and the driving wheel (3) is a worm wheel engaged with the worm (16).

10. The lift-mounted audio system of claim 9, wherein: The shell (1) comprises a main shell (17), a base (18) fixed to the lower end of the main shell (17), and a side cover (19) fixed to one side of the main shell (17), the driving motor (15), the worm (16), the driving wheel (3) and the clutch ratchet wheel (6) are located in the base (18), and a circuit board (20) is installed on the side cover (19).

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