Manual roller shutter door applied to commercial vehicle and commercial vehicle

Abstract

The utility model discloses a manual roller shutter door applied to a commercial vehicle and the commercial vehicle, and relates to the technical field of vehicles. The manual roller shutter door comprises a roller shutter body, a roller shutter frame, a locking part and a tightening assembly. And the bottom frame is fixedly connected with the locking part. The roller shutter body comprises a bottom fixing piece, and the two sides of the roller shutter body are embedded into the roller shutter frame and can move along the roller shutter frame. The locking part comprises a contact structure and an unlocking structure. And the contact structure can lock the fixing piece after being in contact with the fixing piece. The tightening assembly comprises an elastic piece and a transmission structure. The transmission structure can drive the elastic piece to stretch or rotate. Under the condition that no external force exists, the elastic piece can contract or rotate, and the roller shutter body is driven by the transmission structure to move upwards till the bottom fixing piece moves to the target position. Therefore, the roller shutter door is matched with the carriage, the roller shutter body can move based on the elastic force of the elastic piece, the roller shutter door is opened, opening and closing are convenient, and safety is good.

Description

Technical Field

[0001] This specification relates to the field of vehicle technology, and more particularly to a manual roller shutter door for commercial vehicles and the commercial vehicle itself. Background Technology

[0002] Normally, the doors of commercial vehicles such as trucks and tractors are manually operated with lever locks, but this type of door may pose inconvenience and safety hazards in certain situations. Utility Model Content

[0003] This specification provides a manual roller shutter door for commercial vehicles and a commercial vehicle, to at least partially solve the aforementioned problems existing in the prior art.

[0004] The following technical solution is adopted in this specification:

[0005] This manual provides a manual roller shutter door for commercial vehicles, including a roller shutter body, a roller shutter frame, a locking part, and a tightening assembly;

[0006] The roller blind frame includes a top frame, a bottom frame, and a first guide rail and a second guide rail arranged opposite to each other; the bottom frame is fixedly connected to the locking part.

[0007] The roller blind body includes a bottom fixing member; the two sides of the roller blind body are embedded in the first guide rail and the second guide rail, and can move along the first guide rail and the second guide rail;

[0008] The locking part includes a contact structure and an unlocking structure; the contact structure can lock the fixing member after contacting the fixing member.

[0009] The tightening assembly includes an elastic element and a transmission structure; the elastic element is connected to the transmission structure, and the transmission structure is connected to the roller blind body; the transmission structure can drive the elastic element to stretch or rotate under the action of the roller blind body; without external force, the elastic element can contract or rotate, and drive the roller blind body to move upward through the transmission structure until the bottom fixing member moves to the target position.

[0010] Preferably, the tightening assembly includes a spindle;

[0011] The elastic element is a spring;

[0012] The spring is sleeved on the outside of the main shaft, and the spring is connected to the main shaft;

[0013] The main shaft is fixedly connected to the top of the roller blind body;

[0014] The transmission structure can drive the spring to rotate and store energy under the action of the roller blind body; without external force, the spring can rotate and drive the main shaft to rotate, so that the roller blind body winds around the main shaft until the bottom fixing member of the roller blind body winds around the main shaft; the target position corresponds to the main shaft.

[0015] Preferably, the elastic element is a spring;

[0016] The roller blind frame includes a vertical frame and a horizontal frame; both the first guide rail and the second guide rail are L-shaped guide rails, and the bends are smoothly arranged.

[0017] The transmission structure can drive the spring to stretch and store energy under the action of the roller blind body; without external force, the spring can contract and drive the roller blind body to move along the first guide rail and the second guide rail through the transmission structure until the bottom fixing member moves to the target position; the target position is located at the bend of the first guide rail and the second guide rail.

[0018] Preferably, the horizontal frame is fixedly connected to the top of the commercial vehicle's cargo compartment and is located inside the cargo compartment.

[0019] Preferably, the horizontal frame is fixedly connected to the side of the commercial vehicle's cargo compartment and is located inside the cargo compartment.

[0020] Preferably, the roller blind body includes a plurality of interconnected roller blind slats;

[0021] The connection point of any two interconnected roller blind slats can be bent, allowing the roller blind body to bend.

[0022] Preferably, the first end of the roller shutter blade is provided with a first engaging portion, and the second end is provided with a second engaging portion;

[0023] The first engaging part of any roller blind slat can engage with the second engaging part of other roller blind slats, so that the roller blind slats can remain connected when any roller blind slat is pushed or pulled.

[0024] Preferably, the unlocking structure includes an operating component and a linkage component;

[0025] The linkage component is connected to the operating component and the contact structure;

[0026] The operating element can respond to the user's operation by displacement or rotation, and through the linkage element, it can cause the contact structure to release the lock on the fixing element.

[0027] Preferably, the roller blind body includes a bottom pull rod;

[0028] The lever is used to respond to user operation and move other components of the roller blind body.

[0029] On the other hand, this specification provides a commercial vehicle that includes the manually operated roller shutter door for use in commercial vehicles provided in the above aspect.

[0030] The above-mentioned technical solutions adopted in this specification can achieve the following beneficial effects:

[0031] According to the above, the manual roller shutter door for commercial vehicles includes a roller shutter body, a roller shutter frame, a locking part, and a tightening assembly. The roller shutter frame includes a top frame, a bottom frame, and a first guide rail and a second guide rail arranged opposite to each other. The bottom frame is fixedly connected to the locking part. The roller shutter body includes a bottom fixing member, and both sides of the roller shutter body are embedded in the first and second guide rails, allowing it to move along the first and second guide rails. The locking part includes a contact structure and an unlocking structure. The contact structure can lock the fixing member after contacting it. The tightening assembly includes an elastic member and a transmission structure. The elastic member is connected to the transmission structure, and the transmission structure is connected to the roller shutter body; the transmission structure can drive the elastic member to stretch or rotate under the action of the roller shutter body; without external force, the elastic member can contract or rotate, and through the transmission structure, drive the roller shutter body upward until the bottom fixing member moves to the target position.

[0032] It is evident that the roller shutter door is compatible with the carriage, and the main body of the roller shutter can move based on the elastic force of the elastic element to open the roller shutter door, which is convenient to open and close and has good safety. Attached Figure Description

[0033] The accompanying drawings, which are included to provide a further understanding of this specification and form part of this specification, illustrate exemplary embodiments and are used to explain this specification, but do not constitute an undue limitation thereof. In the drawings:

[0034] Figure 1 A structural schematic diagram of a manually operated roller shutter door for a commercial vehicle, provided as an embodiment of this specification;

[0035] Figure 2 A schematic diagram of the structure of a retaining frame for a manually operated roller shutter door used in a commercial vehicle, provided as an embodiment of this specification;

[0036] Figure 3 A partial structural diagram of a manually operated roller shutter door for commercial vehicles, provided as an embodiment of this specification;

[0037] Figure 4 A partial structural diagram of a manually operated roller shutter door for commercial vehicles, provided as an embodiment of this specification;

[0038] Figure 5 This is an exploded structural diagram of a manually operated roller shutter door for commercial vehicles, provided as an embodiment of this specification.

[0039] Explanation of reference numerals in the attached figures:

[0040] Roller blind body 1; roller blind frame 2; locking part 3; tightening assembly 4; top frame 21; bottom frame 22; first guide rail 23; second guide rail 24; carriage 5; horizontal frame 25; roller blind blade 11; first locking part 111; second locking part 112; pin 93; roller plug 92; elastic shaft pin 91; spring 20; bolt 19; roller shaft 18; roller pull belt 17; roller 16; rivet 15; flat washer 14; stop block 13; door head sealing strip 12; plug 81; door head 10; pull rod 9; pull rod base 8; door head slider 7; rubber ring 6; roller 75; screw 74; roller mounting seat 73; mounting plate 72; roller shaft 71. Detailed Implementation

[0041] To make the objectives, technical solutions, and advantages of this specification clearer, the technical solutions of this specification will be clearly and completely described below in conjunction with specific embodiments and corresponding drawings. Obviously, the described embodiments are only a part of the embodiments of this specification, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments in this specification without creative effort are within the scope of protection of this application.

[0042] In the description of this invention, it should be noted that the term "or" is generally used to include the meaning of "and / or" unless otherwise expressly stated in the content.

[0043] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. Furthermore, in the description of this application, the terms "first," "second," etc., are used only for distinguishing descriptions and should not be construed as indicating or implying relative importance.

[0044] Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0045] The technical solutions provided in the various embodiments of this specification are described in detail below with reference to the accompanying drawings.

[0046] Figure 1 A structural schematic diagram of a manually operated roller shutter door for commercial vehicles, provided as an embodiment of this specification, is shown below. Figure 1 As shown, the manual roller shutter door for commercial vehicles includes a roller shutter body 1, a roller shutter frame 2, a locking part 3, and a tightening assembly 4.

[0047] Preferably, the roller shutter frame 2 includes a top frame 21, a bottom frame 22, and a first guide rail 23 and a second guide rail 24 disposed opposite to each other.

[0048] Figure 2 A structural schematic diagram of a retaining frame for a manually operated roller shutter door used in a commercial vehicle, as provided in one embodiment of this specification, is shown below. Figure 2 As shown, the roller shutter frame 2 includes a top frame 21, a bottom frame 22, and a first guide rail 23 and a second guide rail 24 arranged opposite to each other.

[0049] Preferably, the bottom frame 22 is fixedly connected to the locking part 3.

[0050] Preferably, the roller shutter body 1 includes a bottom fixing member.

[0051] Preferably, the two sides of the roller blind body 1 are embedded in the first guide rail 23 and the second guide rail 24, and can move along the first guide rail 23 and the second guide rail 24.

[0052] Preferably, the locking part 3 includes a contact structure and an unlocking structure.

[0053] Preferably, the contact structure is capable of locking the fastener after contacting it.

[0054] Preferably, the tightening assembly 4 includes an elastic element and a transmission structure. The elastic element is connected to the transmission structure, and the transmission structure is connected to the roller blind body 1.

[0055] Preferably, the transmission structure can drive the elastic element to stretch or rotate under the action of the roller shutter body 1.

[0056] Preferably, without external force, the elastic element can contract or rotate, and through the transmission structure, drive the roller shutter body 1 to move upward until the bottom fixing element moves to the target position.

[0057] According to the above, the manual roller shutter door for commercial vehicles includes a roller shutter body 1, a roller shutter frame 2, a locking part 3, and a tightening assembly 4. The roller shutter frame 2 includes a top frame 21, a bottom frame 22, and a first guide rail 23 and a second guide rail 24 arranged opposite to each other. The bottom frame 22 is fixedly connected to the locking part 3. The roller shutter body 1 includes a bottom fixing member, and both sides of the roller shutter body 1 are embedded in the first guide rail 23 and the second guide rail 24, allowing it to move along the first guide rail 23 and the second guide rail 24. The locking part 3 includes a contact structure and an unlocking structure. The contact structure can lock the fixing member after contacting it. The tightening assembly 4 includes an elastic member and a transmission structure. The elastic element is connected to the transmission structure, and the transmission structure is connected to the roller blind body 1. The transmission structure can drive the elastic element to stretch or rotate under the action of the roller blind body 1. Without external force, the elastic element can contract or rotate and drive the roller blind body 1 to move upward through the transmission structure until the bottom fixing member moves to the target position.

[0058] It is evident that the roller shutter door is adapted to the carriage 5, and the roller shutter body 1 can move based on the elastic force of the elastic element and open the roller shutter door, which is convenient to open and close and has good safety.

[0059] Preferably, the tightening assembly 4 includes a main shaft. The elastic element is a spring, which is sleeved on the outside of the main shaft and connected to the main shaft. The main shaft is fixedly connected to the top of the roller blind body 1.

[0060] Preferably, the transmission structure can drive the spring to rotate and store energy under the action of the roller blind body 1. Without external force, the spring can rotate and drive the main shaft to rotate, causing the roller blind body 1 to wind around the main shaft until the bottom fixing member of the roller blind body 1 is wound around the main shaft. This target position corresponds to the main shaft.

[0061] Using the above method, after the user locks the fixing member through the locking part 3, the torsion spring can drive the roller blind body 1 to move until the bottom fixing member of the roller blind body 1 is wound around the main shaft, thus realizing the automatic storage of the roller blind body 1.

[0062] Preferably, the elastic element is a spring. The roller blind frame 2 includes a vertical frame and a horizontal frame 25. The first guide rail 23 and the second guide rail 24 are both L-shaped guide rails, and the bends are smoothly arranged. The transmission structure can drive the spring to stretch and store energy under the action of the roller blind body 1. Without external force, the spring can contract and drive the roller blind body 1 to move along the first guide rail 23 and the second guide rail 24 through the transmission structure until the bottom fixing member moves to the target position. The target position is located at the bend of the first guide rail 23 and the second guide rail 24.

[0063] Using the above method, after the user locks the fixing member through the locking part 3, the spring can drive the roller blind body 1 to move until the bottom fixing member of the roller blind body 1 is wound around the main shaft, thus realizing the automatic storage of the roller blind body 1.

[0064] It should be noted that the tightening component 4 can also be other structures, and this specification does not impose any restrictions on it.

[0065] Preferably, the horizontal frame 25 is fixedly connected to the top of the commercial vehicle compartment 5 and is located inside the compartment 5.

[0066] Figure 3 A partial structural diagram of a manually operated roller shutter door for commercial vehicles, provided as an embodiment of this specification, is shown below. Figure 3 As shown, the horizontal frame 25 is fixedly connected to the top of the commercial vehicle compartment 5 and is located inside the compartment 5.

[0067] Preferably, the horizontal frame 25 is fixedly connected to the side of the commercial vehicle compartment 5 and is located inside the compartment 5.

[0068] Preferably, the roller blind body 1 includes a plurality of interconnected roller blind slats 11.

[0069] The connection point of any two interconnected roller shutter slats 11 can be bent, allowing the roller shutter body 1 to bend.

[0070] Preferably, the first end of the roller shutter blade 11 is provided with a first locking part 111, and the second end is provided with a second locking part 112.

[0071] Preferably, the first engaging portion 111 of any roller blind slat 11 can engage with the second engaging portion 112 of other roller blind slats 11, so that the roller blind slats 11 can maintain a connected state when pushing or pulling other roller blind slats 11.

[0072] Figure 4 A partial structural diagram of a manually operated roller shutter door for commercial vehicles, provided as an embodiment of this specification, is shown below. Figure 4 As shown, the main body 1 of the roller blind includes a plurality of interconnected roller blind blades 11.

[0073] Preferably, the unlocking structure includes an operating component and a linkage component.

[0074] Preferably, the linkage is connected to the operating member and the contact structure, and the operating member is able to respond to the user's operation by displacement or rotation, and the linkage drives the contact structure to release the lock on the fixing member.

[0075] It should be noted that the unlocking structure can also be other structures, which will not be described in detail here.

[0076] Preferably, the roller blind body 1 includes a bottom pull rod.

[0077] Preferably, the lever is used to move other components of the roller blind body in response to user operation.

[0078] Preferably, the manual roller shutter door for commercial vehicles includes a pin 93, a roller plug 92, an elastic shaft pin 91, a spring 20, a bolt 19, a roller shaft 18, a roller pull belt 17, a roller 16, a rivet 15, a flat washer 14, a stop block 13, a door head sealing strip 12, a plug 81, a door head 10, a pull rod 9, a pull rod base 8, a door head slider 7, a rubber ring 6, a roller 75, a screw 74, a roller mounting seat 73, a mounting plate 72, and a roller shaft 71.

[0079] Figure 5 An exploded structural diagram of a manually operated roller shutter door for commercial vehicles, provided as an embodiment of this specification, is shown below. Figure 5 As shown. This manual roller shutter door for commercial vehicles includes a pin 93, a roller plug 92, a flexible shaft pin 91, a spring 20, a bolt 19, a roller shaft 18, a roller pull belt 17, a roller 16, a rivet 15, a flat washer 14, a stop block 13, a door head sealing strip 12, a plug 81, a door head 10, a pull rod 9, a pull rod base 8, a door head slider 7, a rubber ring 6, a roller 75, a screw 74, a roller mounting seat 73, a mounting plate 72, and a roller shaft 71.

[0080] The above describes one or more embodiments of a manually operated roller shutter door for commercial vehicles. Based on the same concept, this specification also provides a commercial vehicle.

[0081] Preferably, the commercial vehicle includes the manual roller shutter door for commercial vehicles provided in any of the above embodiments.

[0082] It should also be noted that the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0083] The various embodiments in this specification are described in a progressive manner. Similar or identical parts between embodiments can be referred to interchangeably. Each embodiment focuses on describing the differences from other embodiments. In particular, the system embodiments are basically similar to the method embodiments, so the description is relatively simple; relevant parts can be referred to the descriptions in the method embodiments.

[0084] The above description is merely an embodiment of this specification and is not intended to limit this specification. Various modifications and variations can be made to this specification by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this specification should be included within the scope of the claims of this application.

Claims

1. A manually operated roller shutter door for commercial vehicles, characterized in that, Includes the roller blind body, roller blind frame, locking part, and tightening assembly; The roller blind frame includes a top frame, a bottom frame, and a first guide rail and a second guide rail arranged opposite to each other; the bottom frame is fixedly connected to the locking part. The roller blind body includes a bottom fixing member; the two sides of the roller blind body are embedded in the first guide rail and the second guide rail, and can move along the first guide rail and the second guide rail; The locking part includes a contact structure and an unlocking structure; the contact structure can lock the fixing member after contacting the fixing member. The tightening assembly includes an elastic element and a transmission structure; the elastic element is connected to the transmission structure, and the transmission structure is connected to the roller blind body; the transmission structure can drive the elastic element to stretch or rotate under the action of the roller blind body; without external force, the elastic element can contract or rotate, and drive the roller blind body to move upward through the transmission structure until the bottom fixing member moves to the target position.

2. The manual roller shutter door for commercial vehicles according to claim 1, characterized in that, The tightening assembly includes a main shaft; The elastic element is a spring; The spring is sleeved on the outside of the main shaft, and the spring is connected to the main shaft; The main shaft is fixedly connected to the top of the roller blind body; The transmission structure can drive the spring to rotate and store energy under the action of the roller blind body; without external force, the spring can rotate and drive the main shaft to rotate, so that the roller blind body winds around the main shaft until the bottom fixing member of the roller blind body winds around the main shaft; the target position corresponds to the main shaft.

3. The manual roller shutter door for commercial vehicles according to claim 1, characterized in that, The elastic element is a spring; The roller blind frame includes a vertical frame and a horizontal frame; both the first guide rail and the second guide rail are L-shaped guide rails, and the bends are smoothly arranged. The transmission structure can drive the spring to stretch and store energy under the action of the roller blind body; without external force, the spring can contract and drive the roller blind body to move along the first guide rail and the second guide rail through the transmission structure until the bottom fixing member moves to the target position; the target position is located at the bend of the first guide rail and the second guide rail.

4. The manual roller shutter door for commercial vehicles according to claim 3, characterized in that, The horizontal frame is fixedly connected to the top of the commercial vehicle's cargo compartment and is located inside the cargo compartment.

5. The manual roller shutter door for commercial vehicles according to claim 3, characterized in that, The horizontal frame is fixedly connected to the side of the commercial vehicle's cargo compartment and is located inside the cargo compartment.

6. The manually operated roller shutter door for commercial vehicles according to any one of claims 1-5, characterized in that, The main body of the roller blind includes multiple interconnected roller blind slats; The connection point of any two interconnected roller blind slats can be bent, allowing the roller blind body to bend.

7. The manually operated roller shutter door for commercial vehicles according to claim 6, characterized in that, The first end of the roller shutter blade is provided with a first locking part, and the second end is provided with a second locking part; The first engaging part of any roller blind slat can engage with the second engaging part of other roller blind slats, so that the roller blind slats can remain connected when any roller blind slat is pushed or pulled.

8. The manually operated roller shutter door for commercial vehicles according to any one of claims 1-5, characterized in that, The unlocking structure includes an operating component and a linkage component; The linkage component is connected to the operating component and the contact structure; The operating element can respond to the user's operation by displacement or rotation, and through the linkage element, it can cause the contact structure to release the lock on the fixing element.

9. The manually operated roller shutter door for commercial vehicles according to any one of claims 1-5, characterized in that, The main body of the roller blind includes a bottom pull rod; The lever is used to respond to user operation and move other components of the roller blind body.

10. A commercial vehicle, characterized in that, The commercial vehicle includes the manually operated roller shutter door for commercial vehicles as described in any one of claims 1-9.

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