Driving mechanism and electric roller shutter

Abstract

The utility model belongs to the technical field of pickup trucks, and particularly relates to a driving mechanism and an electric roller shutter, the driving mechanism comprises a driving unit, the driving unit comprises a motor, a speed reducer and a transmission shaft penetrating through the speed reducer, the motor is in transmission connection with the transmission shaft through the speed reducer, and the driving mechanism is characterized by further comprising a transmission unit, the gear set comprises a driving gear and a driven gear which are arranged on one side of the supporting piece side by side and are in transmission connection through a synchronous belt, and a plurality of inner teeth matched with the gear set are circumferentially arranged on the inner side of the synchronous belt; one end of the transmission shaft penetrates through the supporting piece and is fixed to the driving gear. A plurality of outer teeth are circumferentially distributed on the outer side of the synchronous belt and are used for driving the roller shutter blades to move; the roller shutter blades are supported on the synchronous belt through the driving gear and the driven gear, so that double-side double-wheel driving of the roller shutter blades is achieved, the bearing capacity can be effectively improved, the transmission efficiency is high, the stability is high, and noise and vibration are small.

Description

Technical Field

[0001] This utility model relates to the technical field, and in particular to a drive mechanism, an electric roller shutter, and a pickup truck. Background Technology

[0002] As a type of truck with a cargo bed, pickup trucks are increasingly in demand from consumers, especially for the functionality of the cargo bed area.

[0003] Traditional pickup truck cargo areas are open and exposed to the air. To protect the items inside the cargo area from weather factors such as sunlight and rain, pickup truck roll-up curtains are usually installed on the cargo area.

[0004] Most pickup truck roller blinds on the market currently use a single wheel drive on both sides to extend and retract the blind. While this method is simple, economical, and convenient, it also has some limitations that may affect the user experience, especially in terms of the blind's stability, load-bearing capacity, and long-term durability.

[0005] Therefore, there is an urgent need to provide a new pickup truck roller shutter drive mechanism. Utility Model Content

[0006] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a driving mechanism to solve the above problems.

[0007] The technical solution of this utility model is implemented as follows: a driving mechanism includes a driving unit, which includes a motor, a reducer, and a transmission shaft passing through the reducer. The motor is connected to the transmission shaft via the reducer. The mechanism is characterized by further including a transmission unit, which includes:

[0008] Support components;

[0009] The gear set includes a driving gear and a driven gear arranged side by side on one side of the support member, and are connected to each other by a synchronous belt drive. The synchronous belt has a number of internal teeth arranged circumferentially on its inner side to cooperate with the gear set.

[0010] One end of the drive shaft passes through the support member and is fixed to the drive gear;

[0011] The timing belt has several external teeth arranged circumferentially on its outer side to drive the roller shutter blades to move.

[0012] The roller shutter blades are supported on the synchronous belt by a driving gear and a driven gear.

[0013] Furthermore, a through hole is provided in the middle of the drive gear for the drive shaft to extend into, and one end of the drive shaft passes through the through hole and is sleeved and fixed to the drive gear.

[0014] Furthermore, the support components also include:

[0015] The support shaft, mounted on the support member, is used to support the driven gear;

[0016] The driven gear has a through hole in the middle for the support shaft to extend into.

[0017] Furthermore, a bearing is fitted between the support shaft and the driven gear.

[0018] This application also provides an electric roller blind, which, in addition to the aforementioned drive mechanism, also includes a track, roller blind blades, and a side plate installed on one side of the track.

[0019] There are two side panels and two tracks. The two ends of the roller blind slid slide on the two tracks. The side panel is provided with a ring structure for the roller blind slid to be wound.

[0020] The transmission unit is mounted on the side plate and also includes a limiting plate, which is fixedly mounted between the two rails and located above the transmission unit;

[0021] A cover plate is provided at one end of the track along its length, and the cover plate is adjacent to the side plate;

[0022] Among them, a blade limiting block extending upwards from the synchronous belt is fixedly installed on the inner side of the cover plate, and a guide area for the roller shutter blades to pass through is formed between the blade limiting block and the synchronous belt.

[0023] Furthermore, there are two transmission units, which are respectively mounted on two side plates; the motor and reducer are mounted on one of the side plates, and the two ends of the transmission shaft are fixed to the drive gears of the two transmission units respectively.

[0024] Furthermore, there is a receiving area between the support and the side plate to confine the gear set and timing belt on the side plate.

[0025] Furthermore, it also includes: limiting hole one; limiting hole two, with limiting hole one and limiting hole two respectively provided on the side plate for inserting the drive shaft and the support shaft, to axially limit the drive shaft and the support shaft.

[0026] Furthermore, a second bearing is provided between the drive shaft and the first limiting hole, and one end of the drive gear is provided with a convex ring that extends into the first limiting hole and abuts against the second bearing.

[0027] This application also provides a pickup truck, including a cargo box and the aforementioned electrically operated roller shutter mounted on the cargo box.

[0028] The beneficial effects of this utility model are as follows:

[0029] Compared to the single-wheel drive method of transmission, the drive mechanism of this application realizes dual-wheel drive on both sides of the roller shutter blades, which can effectively improve the load-bearing capacity, and has high transmission efficiency, strong stability, and low noise and vibration. Attached Figure Description

[0030] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0031] Figure 1 is a schematic diagram of the overall structure of the electric roller shutter according to a specific embodiment of this utility model. Figure 1 ;

[0032] Figure 2 is an assembly diagram of the electric roller shutter and drive mechanism according to a specific embodiment of this utility model;

[0033] Figure 3 is a partial structural diagram of the electric roller shutter according to a specific embodiment of the present invention;

[0034] Figure 4 is a partial exploded view of Figure 3, which is a specific embodiment of this utility model;

[0035] Figure 5 is an enlarged view of A in Figure 3, which is a specific embodiment of this utility model;

[0036] Figure 6 is an enlarged view of B in Figure 4, which is a specific embodiment of this utility model;

[0037] Figure 7 is a cross-sectional view of the side plate and the drive structure after they are fitted together in a specific embodiment of this utility model. Detailed Implementation

[0038] 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.

[0039] In the description of this application, it should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. For ease of description, the dimensions of the various parts shown in the drawings are not drawn to actual scale. Techniques, methods, and devices known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the specification. In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters in the following drawings denote similar items; therefore, once an item is defined in one drawing, it need not be further discussed in subsequent drawings.

[0040] Example 1:

[0041] As shown in Figures 1 to 7, this utility model discloses a driving mechanism, including a driving unit. The driving unit includes a motor 1, a reducer 2, and a transmission shaft 3 that passes through the reducer. The motor 1 is connected to the transmission shaft 3 via the reducer 2. The mechanism also includes a transmission unit, which comprises:

[0042] Support component 4;

[0043] The gear set includes a driving gear 5 and a driven gear 6 arranged side by side on one side of the support member 4, and are connected to each other by a synchronous belt 7. The inner circumferential side of the synchronous belt 7 is provided with a number of internal teeth that cooperate with the gear set.

[0044] One end of the drive shaft 3 passes through the support member 4 and is fixed to the drive gear 5;

[0045] Among them, the outer circumferential of the synchronous belt 7 is provided with several external teeth, which are used to drive the roller shutter blades 16 to move.

[0046] The shutter blade 16 is supported on the synchronous belt by the driving gear 5 and the driven gear 6.

[0047] In the above technical solution, the motor is mounted on the reducer, and the motor drives the transmission shaft through the reducer. This transmission method is a conventional transmission method and is widely present in the prior art. Therefore, there is no need to discuss its detailed structure again in this application description.

[0048] In the above technical solution, the drive shaft drives the drive gear to move, the synchronous belt is a double-sided synchronous belt, the internal teeth of the synchronous belt are driven by the gear set, and then the external teeth of the synchronous belt drive the roller shutter blades to move.

[0049] In the above technical solution, both the internal tooth pressure and the external tooth are integrally formed with the timing belt;

[0050] By adopting the above technical solution, the transmission load is shared by the two gear teeth, thus enabling it to withstand a larger working load; the combination of gear set and synchronous belt provides smooth transmission and reduces noise and vibration during operation;

[0051] The external teeth of the synchronous belt can drag the roller shutter blades sequentially over the driving gear and the driven gear. That is, the pulling force of both the driving gear and the driven gear can be applied to the roller shutter blades, thus achieving stable dragging of the roller shutter blades.

[0052] In summary, compared with the single-wheel drive method of transmission, the drive mechanism of this application realizes single-sided dual-wheel drive of the roller shutter blades, which can effectively improve the load-bearing capacity, and has high transmission efficiency, strong stability, and low noise and vibration.

[0053] Example 2:

[0054] This embodiment provides a driving mechanism, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0055] Furthermore, the drive gear 5 has a through hole 8 in the middle through which the drive shaft 3 extends, and one end of the drive shaft 3 passes through the through hole 8 and is sleeved and fixed to the drive gear 5.

[0056] In the above technical solution, the drive gear 5 has a receiving groove 9 on the side facing the support member 4. A washer that cooperates with the support member 4 is provided in the receiving groove 9. The washer can prevent the drive gear from contacting and wearing with the support member during operation.

[0057] In the above technical solution, both the through hole and the cross section of the drive shaft are hexagonal structures, which facilitates the radial positioning of the drive gear on the drive shaft. In addition to the above-mentioned positioning structure, the drive gear can also be connected and fixed to the drive shaft by key connection, spline structure and other fixing methods.

[0058] By adopting the above technical solution, the structure is simple and the assembly is convenient.

[0059] Example 3:

[0060] This embodiment provides a driving mechanism, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0061] Furthermore, the support member 4 also includes: a support shaft 10, mounted on the support member 4, for supporting the driven gear;

[0062] Among them, the driven gear 6 has a through hole 11 in the middle for the support shaft 10 to extend into;

[0063] Furthermore, a bearing is fitted between the support shaft 10 and the driven gear 6.

[0064] In the above technical solution, specifically, the support member 4 has a mounting hole on the side facing the driven gear 6, and a support shaft 10 is inserted into the mounting hole;

[0065] Among them, the driven gear 6 has a receiving groove 12 on the side facing the support member 4;

[0066] Among them, the support shaft 10 is stepped, and a stepped shaft section one and a stepped shaft section two are provided in sequence along the length direction of the support shaft 10. The shaft diameter of the stepped shaft section one is larger than that of the stepped shaft section two, and the end of the stepped shaft section one that is away from the stepped shaft section two abuts against the support member 4.

[0067] A bearing 13 is fitted on the stepped shaft section 2. The bearing 13 is located in the receiving groove 2 12 and abuts against the groove wall of the receiving groove 2 12. Specifically, the driven gear 6 is fitted on the support shaft 10 and is supported and connected to the support shaft through the bearing 1.

[0068] By adopting the above technical solution, the driving gear is assisted by the transmission shaft, and the driven gear is assisted by the support shaft, so as to ensure that the transmission unit can operate stably.

[0069] Furthermore, the use of bearing 1 can effectively reduce the wear of the driven gear and improve the smoothness of rotation, thereby extending its service life.

[0070] Example 4:

[0071] This embodiment provides an electric roller blind, which, in addition to the drive mechanism described in the above embodiment, also has the following technical features.

[0072] Furthermore, it also includes a track 15, roller shutter blades 16, and a side plate 17 installed on one side of the track 15;

[0073] There are two side panels 17 and two tracks 15. The two ends of the roller shutter blade 16 slide on the two tracks 15. The side panel 17 is provided with an annular structure for the roller shutter blade 16 to be wound.

[0074] The transmission unit is mounted on the side plate 17, and also includes: a limiting plate 19, which is fixedly mounted between the two rails 15 and located above the transmission unit;

[0075] Cover plate 20, one end of track 15 along its length is covered with cover plate 20, cover plate 20 is adjacent to side plate 17;

[0076] Among them, a blade limiting block 21 extending upward toward the synchronous belt 7 is fixedly installed on the inner side of the cover plate 20, and a guide area for the roller shutter blade 16 to pass through is formed between the blade limiting block 21 and the synchronous belt 7.

[0077] Furthermore, there are two transmission units, which are respectively mounted on two side plates 17;

[0078] The motor 1 and the reducer 2 are mounted on one of the side plates 17, and the two ends of the transmission shaft 3 are fixed to the drive gears 5 of the two transmission units respectively.

[0079] In the above technical solution, a mounting surface 18 for connecting and fixing the transmission unit is provided on one side of the side plate 17;

[0080] In the above technical solution, the roller shutter blades can mesh with external teeth for transmission;

[0081] In the above technical solution, the reducer is connected and fixed to the side plate through its connection structure;

[0082] In the above technical solution, the guide area is elongated, and one end of it is connected to the annular structure of the side plate;

[0083] By adopting the above technical solution, the setting of the limiting plate can help limit the roller shutter blades and prevent the roller shutter blades from moving when passing through the synchronous belt.

[0084] By setting the blade limit block, the two ends of the roller shutter blade can be further limited when they pass over the synchronous belt of the transmission unit, ensuring that the roller shutter blade maintains a straight running trajectory when passing through the synchronous belt, and preventing the roller shutter blade from deviating or tilting due to external force, so as to achieve stable opening and closing of the electric roller shutter.

[0085] Both side panels are equipped with transmission units that are linked by a transmission shaft, ensuring that the movement of the roller shutter blades on both sides is consistent and preventing jamming and damage.

[0086] Example 5:

[0087] This embodiment provides a driving mechanism, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0088] Furthermore, a receiving area is formed between the support member 4 and the mounting surface 18 to confine the gear set and the timing belt 7 to the side plate;

[0089] Also includes:

[0090] Limiting hole 1 211; Limiting hole 22: Limiting hole 1 211 and limiting hole 22 are respectively provided on the mounting surface 18 for inserting the drive shaft 3 and the support shaft 10, so as to axially limit the drive shaft 3 and the support shaft 10.

[0091] In the above technical solution, a bearing 23 is provided between the transmission shaft 3 and the limiting hole 211, and a convex ring portion is provided at one end of the drive gear 5, which extends into the limiting hole 211 and abuts against the bearing 23.

[0092] In the above technical solution, the driven gear 6 is provided with a receiving groove 3 on the side facing the limiting hole 22, and a washer 2 is provided in the receiving groove 3 to abut against the mounting surface 18.

[0093] In the above technical solution, the support 4 is connected to the mounting surface 18 by bolts.

[0094] By adopting the above technical solution, after assembly, the gear set can be abutted against the side plate by the support, the structure fits tightly, it is not easy to move, and the transmission is stable.

[0095] Example 6:

[0096] This embodiment provides a pickup truck that, in addition to the technical solutions described in the above embodiments, also has the following technical features.

[0097] Furthermore, the device includes a cargo box and an electrically operated roller shutter installed on the cargo box, which is the electrically operated roller shutter described in the above embodiments.

[0098] The preceding text described the specific structure of the electric roller blind. This embodiment includes the aforementioned electric roller blind and also has the above-mentioned technical effects.

[0099] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A driving mechanism, comprising a driving unit, the driving unit including a motor (1), a reducer (2), and a transmission shaft (3) passing through the reducer, wherein the motor (1) is connected to the transmission shaft (3) via the reducer (2), characterized in that, It also includes a transmission unit, which comprises: Support component (4); The gear set includes a driving gear (5) and a driven gear (6) arranged side by side on one side of the support member (4), and are connected to each other by a synchronous belt (7). The synchronous belt (7) has a number of internal teeth that cooperate with the gear set in the circumferential direction on its inner side. One end of the drive shaft (3) passes through the support member (4) and is fixed to the drive gear (5); Among them, the outer circumferential of the synchronous belt (7) is provided with several external teeth, which are used to drive the roller shutter blades (16) to move; The roller shutter blade (16) is supported on the synchronous belt (7) by the driving gear (5) and the driven gear (6).

2. The driving mechanism according to claim 1, characterized in that, The drive gear (5) has a through hole (8) in the middle for the drive shaft (3) to extend into. One end of the drive shaft (3) passes through the through hole (8) and is fixed to the drive gear (5).

3. The driving mechanism according to claim 1, characterized in that: The support member (4) also includes: a support shaft (10), which is mounted on the support member (4) to support the driven gear; Among them, the driven gear (6) has a through hole (11) in the middle for the support shaft (10) to extend into.

4. A driving mechanism according to claim 3, characterized in that, A bearing is fitted between the support shaft (10) and the driven gear (6).

5. An electric roller blind, comprising the drive mechanism described in any one of claims 1 to 4, and further comprising a track (15), roller blind blades (16) and a side plate (17) installed on one side of the track (15). There are two side panels (17) and two tracks (15). The two ends of the roller shutter blades (16) slide on the two tracks (15). The side panels (17) are provided with a ring structure for the roller shutter blades (16) to be wound. Its features are, The transmission unit is mounted on the side plate (17) and also includes: The limiting plate (19) is fixedly installed between the two rails (15) and located above the transmission unit; A cover plate (20) is provided at one end of the track (15) along its length direction, and the cover plate (20) is adjacent to the side plate (17); Among them, a blade limiting block (21) extending upward to the synchronous belt (7) is fixedly installed on the inner side of the cover plate (20), and a guide area for the roller shutter blade (16) to pass through is formed between the blade limiting block (21) and the synchronous belt (7).

6. An electric roller blind according to claim 5, characterized in that, Two transmission units are provided, and the two transmission units are respectively installed on two side plates (17); The motor (1) and reducer (2) are mounted on one of the side plates (17), and the two ends of the transmission shaft (3) are fixed to the drive gears (5) of the two transmission units respectively.

7. An electric roller blind according to claim 6, characterized in that, There is a receiving area between the support member (4) and the side plate (17) to confine the gear set and the timing belt (7) on the side plate (17).

8. An electric roller blind according to claim 7, characterized in that, Also includes: Limiting hole 1 (211); Limiting hole 2 (22), and limiting hole 1 (211) and limiting hole 2 (22) are respectively opened on the side plate (17) for inserting the drive shaft (3) and the support shaft (10) to axially limit the drive shaft (3) and the support shaft (10).

9. An electric roller blind according to claim 8, characterized in that, A bearing 23 is provided between the drive shaft (3) and the limiting hole 1 (211). One end of the drive gear (5) is provided with a convex ring that extends into the limiting hole 1 (211) and abuts against the bearing 2 (23).

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