Sunshade roller shutter for vehicle
By designing the pin hole and pin engagement and improving the structure such as the locking groove, the problems of insufficient preload and assembly complexity of the automotive sunshade roller blind spring assembly have been solved, achieving convenient installation and improved durability.
Patent Information
- Application Number
- CN202520530808.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-25
- Publication Date
- 2026-01-09
- Estimated Expiration
- 2035-03-25
AI Technical Summary
The existing spring assembly components of automotive sunshade roller blinds lack pre-load function, have complex structures, complicated assembly processes, are prone to loosening due to force leakage, and cannot effectively fine-tune the number of load coils, resulting in inconvenient operation and low production efficiency.
The design employs a pin hole and pin engagement mechanism, allowing users to adjust the spring's coil count by inserting and removing pins into the pin holes using specialized tools. Furthermore, structural improvements such as locking grooves and hooks simplify the installation process and enhance ease of operation and durability.
This technology simplifies the installation process of sunshade roller blinds, facilitates the adjustment of the number of spring coils, improves operational convenience and spring durability, avoids loosening issues, and enhances production efficiency.
Smart Images

Figure CN223778156U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of RV sunshade roller blinds, and in particular to a vehicle sunshade roller blind. Background Technology
[0002] When a car is parked in the open, the sun transmits a large amount of heat radiation into the interior through the front and rear windows, causing the cabin to heat up. The front seats, steering wheel, and gearshift lever often become unusable due to excessive heat. Additionally, interior trim is prone to premature aging under direct sunlight. Therefore, drivers often place a metal-film sun visor close to the windshield when parking, and fold it away before driving.
[0003] Currently, all sunshade roller blinds on the market are equipped with spring assembly components. However, these spring assembly components either lack a pre-tensioning function or have an overly complex structure and cumbersome assembly process, making them prone to loosening due to force leakage. This necessitates repeated operations, makes it impossible to effectively fine-tune the number of tension coils, and results in low production efficiency. Utility Model Content
[0004] (a) Technical problems to be solved
[0005] The problem to be solved by this utility model is to provide a vehicle sunshade roller blind that has a low installation difficulty, is easy to adjust, simple to implement, and easy to operate.
[0006] (II) Technical Solution
[0007] To solve the aforementioned technical problem, this utility model provides a vehicle sunshade roller blind, including a pin shaft with a first pin hole.
[0008] A spring, which is sleeved on the outside of the pin;
[0009] A fixing sleeve, wherein a second pin hole is provided on the fixing sleeve and communicates with the first pin hole;
[0010] A housing assembly that projects onto the outside of the spring and is connected to the retaining sleeve;
[0011] A roller shutter assembly, which is movably connected to the housing assembly.
[0012] In this solution, by setting a first pin hole and a second pin hole, a special tool is used to apply force to the spring, and then the pin is inserted into the first pin hole and the second pin hole. After assembly, the pin is pulled out. If it is necessary to adjust the tension or the number of spring coils, the pin can be inserted into the first pin hole and the second pin hole again. The spring can be completely released without opening the sunshade roller blind, and the force can be repeated. Only the fixed number of coils needs to be adjusted according to the tension. The installation process has a low difficulty coefficient, is easy to adjust, simple and easy to operate.
[0013] Preferably, the fixing sleeve has a locking groove, and the tail end of the spring is locked in the locking groove.
[0014] In this solution, by setting a locking slot, the previous situation where springs needed to be fixed with screws or could not be positioned is changed, making the springs more durable.
[0015] Preferably, the housing assembly includes a plug, a locking buckle, and a cover box. The cover box is sleeved on the outside of the spring. Both ends of the cover box are provided with plugs. The plug located on the lower side of the fixing sleeve is provided with a mounting groove. The locking buckle is provided in the mounting groove and is used for the pin to be inserted and fixed.
[0016] As a further preferred embodiment, the housing assembly further includes a decorative card, and the bottom wall of the mounting groove is provided with a fixing groove, within which the decorative card is disposed.
[0017] As a further preferred embodiment, the housing assembly also includes a coiled tube, which is sleeved between the outer side of the spring and the housing.
[0018] Preferably, the upper end of the pin is provided with two retaining rings.
[0019] As a further preferred embodiment, a fixing member is provided between the two retaining rings, and the fixing member is sleeved on the pin.
[0020] Preferably, a washer is also provided at the upper end of the pin.
[0021] As a further preferred embodiment, the roller blind assembly includes a roller blind sleeved on the outside of the roller tube, and the roller blind is disposed within the cover box and is retractable or unretractable.
[0022] In this solution, a roller blind is installed, with one end of the blind fitted onto the outside of the roller tube and placed inside the housing. When it is necessary to block the sun, the roller blind is pulled open, extending to block the car window. When it is no longer necessary to block the sun, the roller blind is released, and under the action of the spring, it automatically retracts back into the housing and is rolled onto the roller tube.
[0023] As a further preferred embodiment, the roller blind assembly further includes a hook and a handle, with the handle provided at one end of the roller blind assembly and the hook provided on the outside of the handle, the hook being used to hang and fix the roller blind.
[0024] In this design, handles are provided for easy pulling out of the roller blind, and hooks are provided for easy fixing of the roller blind after it is pulled out for convenient sun shading.
[0025] (III) Beneficial Effects
[0026] The vehicle sunshade roller blind provided by this utility model has the following beneficial effects:
[0027] (1) By setting the first pin hole and the second pin hole, after applying force to the spring with a special tool, insert the pin into the first pin hole and the second pin hole, then assemble and pull out the pin. If it is necessary to adjust the tension or the number of turns of the spring, the pin can be inserted into the first pin hole and the second pin hole again. The spring can be completely released without opening the sunshade roller blind. Repeat the application of force. Just adjust the fixed number of turns according to the tension. The installation process is simple, easy to adjust, and easy to operate.
[0028] (2) By setting a slot, the previous situation where springs needed to be fixed with screws or could not be positioned is changed, making the springs more durable;
[0029] (3) The roller blind can be easily pulled out by the handle, and the roller blind can be easily fixed after it is pulled out by the hook for sun shading. Attached Figure Description
[0030] To more clearly illustrate the technical solutions of the embodiments of this application, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0031] Figure 1 This is a schematic diagram of the structure of a vehicle sunshade roller blind according to the present invention;
[0032] Figure 2 This is a schematic diagram of the fracture structure of a vehicle sunshade roller blind after the concealed end is closed.
[0033] Figure 3 This is a schematic diagram of the first explosive fracture structure of a vehicle sunshade roller blind according to this utility model;
[0034] Figure 4 This is a schematic diagram of the second explosive fracture structure of a vehicle sunshade roller blind according to this utility model;
[0035] Figure 5 This is a schematic diagram of the fracture structure behind the hidden outer shell assembly of a vehicle sunshade roller blind according to this utility model.
[0036] Figure 6 This is a schematic diagram of the structure of the concealed end of a car sunshade roller blind according to this utility model.
[0037] The component names corresponding to the various labels in the figure are as follows: 1. Pin; 11. First pin hole; 2. Spring; 3. Fixing sleeve; 31. Second pin hole; 32. Locking groove; 4. Housing assembly; 41. End cap; 42. Locking buckle; 43. Decorative card; 44. Cover box; 45. Mounting groove; 46. Fixing groove; 47. Roller tube; 5. Roller blind assembly; 51. Roller blind; 52. Hook; 53. Handle; 6. Snap ring; 7. Fixing component; 8. Washer. Detailed Implementation
[0038] The present application will now be described in detail with reference to the accompanying drawings and specific embodiments.
[0039] The following specific examples illustrate the implementation of this application. Those skilled in the art can easily understand other advantages and effects of this application from the content disclosed in this specification. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of them. This application can also be implemented or applied through other different specific embodiments, and the details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of this application. It should be noted that, in the absence of conflict, the following embodiments and features in the embodiments can be combined with each other. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.
[0040] It should be noted that various aspects of embodiments within the scope of the appended claims are described below. It will be apparent that the aspects described herein can be embodied in a wide variety of forms, and any particular structure and / or function described herein is merely illustrative. Based on this application, those skilled in the art will understand that one aspect described herein can be implemented independently of any other aspect, and two or more of these aspects can be combined in various ways. For example, any number and aspects set forth herein can be used to implement the device and / or practice the method. Additionally, this device and / or method can be implemented using structures and / or functionalities other than one or more of the aspects set forth herein.
[0041] It should also be noted that the illustrations provided in the following embodiments are only schematic representations of the basic concept of this application. The drawings only show the components related to this application and are not drawn according to the actual number, shape and size of the components in the actual implementation. In the actual implementation, the form, quantity and proportion of each component can be arbitrarily changed, and the layout of the components may also be more complex.
[0042] Additionally, specific details are provided in the following description to facilitate a thorough understanding of the examples. However, those skilled in the art will understand that practice can be carried out without these specific details.
[0043] The technical solutions provided by the various embodiments of this application are described below with reference to the accompanying drawings.
[0044] See Figures 1 to 6 This utility model provides a vehicle sunshade roller blind 51, including a pin 1, a spring 2, a fixing sleeve 3, a housing assembly 4, and a roller blind assembly 5. The pin 1 has a first pin hole 11; the spring 2 is sleeved on the outside of the pin 1; the fixing sleeve 3 has a second pin hole 31 that communicates with the first pin hole 11; the housing assembly 4 shines on the outside of the spring 2 and is connected to the fixing sleeve 3; the roller blind assembly 5 is movably connected to the housing assembly 4.
[0045] Furthermore, as a preferred embodiment, the fixing sleeve 3 is provided with a locking groove 32, and the tail end of the spring 2 is locked in the locking groove 32.
[0046] Specifically, in this embodiment, the outer casing assembly 4 has an installation section and an opening that communicates with the installation section. The opening allows the roller blind assembly 5 to extend or retract into the installation section. The roller blind assembly 5 is installed within the installation section, and it can be rolled up within the installation section or opened to extend out of the installation section from the opening, thereby blocking the car window and providing a sunshade effect. A spring assembly 2 is also provided within the installation section of the outer casing assembly 4, connected to the roller blind assembly 5, so that when the roller blind assembly 5 is released, it can automatically retract back into the installation section. The spring assembly 2 includes a pin 1, a spring 2, and a fixing sleeve 3. The spring 2 is sleeved on the outer side of the pin 1, and the fixing sleeve 3 is provided on the lower side of the pin 1. The upper part has a through hole penetrating both its upper and lower ends. The lower end of the pin 1 passes through the through hole and protrudes from the lower end of the fixing sleeve 3. The pin 1 has a first pin hole 11. The fixing sleeve 3 includes a first part and a second part. The second part is located at the lower end of the first part and is cylindrical. The outer peripheral wall of the second part has a second pin hole 31, and the first pin hole 11 and the second pin hole 31 are connected for inserting a pin. The first part is also cylindrical but its diameter is smaller than that of the second part. The outer peripheral wall of the first part has a locking groove 32, which is connected to the through hole. The tail end of the spring 2 has a straight end, which is locked in the locking groove 32, thereby locking the position of the spring 2. During assembly, the weak spring assembly will not automatically release force due to operational errors, causing secondary force application, thus saving labor costs.
[0047] Specifically, in this embodiment, by setting a first pin hole 11 and a second pin hole 31, after applying force to the spring 2 using a special tool, the pin is inserted into the first pin hole 11 and the second pin hole 31. After assembly, the pin is pulled out. If it is necessary to adjust the tension or the number of turns of the spring 2, the pin can be inserted into the first pin hole 11 and the second pin hole 31 again without opening the sunshade roller blind 51 to completely release the force of the spring 2. The force can be repeated, and the fixed number of turns can be adjusted according to the tension. The installation process has a low difficulty coefficient, is easy to adjust, simple and easy to operate. By setting the locking groove 32, the previous situation where the spring 2 needed to be fixed with screws or could not be positioned is changed, making the spring 2 more durable.
[0048] Furthermore, as a preferred embodiment, the outer casing assembly 4 includes a plug 41, a locking buckle 42, and a cover box 44. The cover box 44 is sleeved on the outer side of the spring 2. Both ends of the cover box 44 are provided with plugs 41. The plug 41 located on the lower side of the fixing sleeve 3 is provided with a mounting groove 45. The locking buckle 42 is provided in the mounting groove 45. The locking buckle 42 is used for the pin 1 to be inserted and fixed.
[0049] Furthermore, as a preferred embodiment, the outer casing assembly 4 also includes a decorative card 43, and the bottom wall of the mounting groove 45 is provided with a fixing groove 46, in which the decorative card 43 is disposed.
[0050] Furthermore, as a preferred embodiment, the housing assembly 4 also includes a coil 47, and the coil 47 is also sleeved between the outer side of the spring 2 and the cover box 44.
[0051] Specifically, in this embodiment, the outer casing assembly 4 includes a cover box 44, end caps 41 located at both ends of the cover box 44, a coiled tube 47 sleeved on the outside of the spring 2 assembly, and a locking buckle 42 and a decorative card 43 inside one end cap 41. The cover box 44 is located outside the spring 2 assembly and covers it. The cover box 44 is provided with an installation area and an opening. The coiled tube 47 is sleeved on the first part of the spring 2 and the fixing sleeve 3. End caps 41 are provided at both ends of the cover box 44. The end cap 41 located at the upper end is rotatably connected to the pin 1. An installation groove 45 is provided on the lower end of the end cap 41. The installation groove 45 is used to install the locking buckle 42. The two ends of the locking buckle 42 are provided with limit grooves. The inner side wall of the installation groove 45 is provided with a limit protrusion that cooperates with the limit groove. The bottom wall of the installation groove 45 is provided with a fixing groove 46 that communicates with the installation groove 45. A decorative card 43 is fixedly installed in the fixing groove 46. The roller blind assembly 5 can be rolled onto the roller tube 47. The locking buckle 42 is provided with a slot. The lower end of the pin 1 that protrudes outside the fixing sleeve 3 is inserted into the slot for fixation.
[0052] Furthermore, as a preferred embodiment, two retaining rings 6 are provided at the upper end of the pin 1.
[0053] Furthermore, as a preferred embodiment, a fixing member 7 is provided between the two retaining rings 6, and the fixing member 7 is sleeved on the pin 1.
[0054] Furthermore, as a preferred embodiment, a gasket 8 is also provided at the upper end of the pin 1.
[0055] Furthermore, as a preferred embodiment, the roller blind assembly 5 includes a roller blind 51, which is sleeved on the outside of the roller tube 47 and is disposed inside the cover box 44 in a way that allows it to be rolled up or opened.
[0056] Furthermore, as a preferred embodiment, the roller blind assembly 5 also includes a hook 52 and a handle 53. The handle 53 is provided at one end of the roller blind assembly 5, and the hook 52 is provided on the outside of the handle 53. The hook 52 is used to hang and fix the roller blind 51.
[0057] Specifically, in this embodiment, the roller blind assembly 5 includes a roller blind 51, a hook 52, and a handle 53. One end of the roller blind 51 is rolled outside the roller tube 47, and the other end of the roller blind 51 is located in the installation area and can be rolled up or pulled open. The other end of the roller blind 51 is provided with a handle 53, and a hook 52 is provided on one side of the handle 53. The hook 52 cooperates with the RV and fixes the roller blind 51 to the RV when it is opened, thereby blocking the window. The handle 53 can easily pull the roller blind 51 out of the installation area.
[0058] Specifically, in this embodiment, a roller blind 51 is installed, with one end of the roller blind 51 fitted onto the outside of the roller tube 47 and placed inside the cover box 44. When sun protection is needed, the roller blind 51 is pulled open, extending to block the car window. When sun protection is no longer needed, the pull of the roller blind 51 is released, and under the action of the spring 2, the roller blind 51 automatically retracts into the cover box 44 and is rolled onto the roller tube 47. A handle 53 allows the roller blind 51 to be easily pulled out, and a hook 52 allows it to be easily fixed after being pulled out for convenient sun protection.
[0059] The same or similar parts between the various embodiments in this specification can be referred to mutually. Each embodiment focuses on describing the differences from other embodiments.
[0060] The above description is merely a specific embodiment of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.
Claims
1. A vehicle sunshade roller blind (51), characterized in that: Includes a pin (1), on which a first pin hole (11) is provided; Spring (2), which is sleeved on the outside of the pin (1); A fixing sleeve (3) is provided, wherein a second pin hole (31) is provided on the fixing sleeve (3) and is connected to the first pin hole (11); A housing assembly (4) that illuminates the outside of the spring (2) and is connected to the retaining sleeve (3); Roller blind assembly (5), which is movably connected to the housing assembly (4).
2. The vehicle sunshade roller blind (51) as described in claim 1, characterized in that: The fixing sleeve (3) has a locking groove (32), and the tail end of the spring (2) is locked in the locking groove (32).
3. The vehicle sunshade roller blind (51) as described in claim 1, characterized in that: The outer casing assembly (4) includes a plug (41), a locking buckle (42), and a cover (44). The cover (44) is sleeved on the outside of the spring (2). Both ends of the cover (44) are provided with plugs (41). The plug (41) located on the lower side of the fixing sleeve (3) is provided with a mounting groove (45). The locking buckle (42) is provided in the mounting groove (45). The locking buckle (42) is used for the pin (1) to be inserted and fixed.
4. The vehicle sunshade roller blind (51) as described in claim 3, characterized in that: The outer casing assembly (4) also includes a decorative card (43), and the bottom wall of the mounting groove (45) is provided with a fixing groove (46), in which the decorative card (43) is disposed.
5. The vehicle sunshade roller blind (51) as described in claim 3, characterized in that: The outer casing assembly (4) also includes a coil (47), which is sleeved between the outer side of the spring (2) and the cover box (44).
6. The vehicle sunshade roller blind (51) as described in claim 1, characterized in that: Two retaining rings (6) are provided at the upper end of the pin (1).
7. The vehicle sunshade roller blind (51) as described in claim 6, characterized in that: A fixing member (7) is provided between the two retaining rings (6), and the fixing member (7) is sleeved on the pin (1).
8. The vehicle sunshade roller blind (51) as described in claim 1, characterized in that: A washer (8) is also provided at the upper end of the pin (1).
9. The vehicle sunshade roller blind (51) as described in claim 5, characterized in that: The roller blind assembly (5) includes a roller blind (51), which is sleeved on the outside of the roller tube (47) and is located inside the cover box (44) and can be rolled up or opened.
10. The vehicle sunshade roller blind (51) as described in claim 9, characterized in that: The roller blind assembly (5) also includes a hook (52) and a handle (53). The handle (53) is provided at one end of the roller blind assembly (5), and the hook (52) is provided on the outside of the handle (53). The hook (52) is used to hang and fix the roller blind (51).