Locking mechanism of a folding telescopic rod and a travel bag thereof

Abstract

The application discloses a locking mechanism of a folding telescopic rod and a travel bag thereof, comprising a first rod body and a second rod body, a driving assembly and an assembling pipe movably sleeved on the outer wall of the first rod body, one end of the first rod body being provided with a locking piece, the locking piece having a first state and a second state; when the locking piece is in the first state, the first rod body can slide in the assembling pipe; when the locking piece is in the second state, the first rod body is locked at a preset position in the assembling pipe; the locking piece is connected with a first elastic piece for driving the locking piece to keep or reset to the second state. Through the cooperation of the bending frame, the first rod body, the connecting head, the connecting seat, the assembling pipe, the locking piece and the driving assembly, the driving assembly can lock or unlock the locking piece and the assembling pipe, which is beneficial to locking the first rod body when the first rod body is slid out for use, so as to prevent the first rod body from sliding randomly under the traction of the pull rod, and the stability of the pull rod in use is improved.

Description

Technical Field

[0001] This invention relates to the field of locking folding pull rods for luggage, and particularly to a locking mechanism for a folding telescopic rod and its related travel luggage. Background Technology

[0002] Suitcases, also known as travel cases or rolling suitcases, are boxes carried when traveling to store belongings. They are typically used to store clothing, personal care products, and other items needed for a trip. Most suitcases nowadays are equipped with extendable handles and wheels at the bottom for easy carrying when going out.

[0003] The pulleys and upright handle allow the suitcase to be pushed upright. If the suitcase is moved while tilted, the person's hand needs to bear part of the suitcase's weight. Therefore, in order to place the suitcase on the ground for pulling, a connector is usually added to the handle. The connector allows the handle to be bent. For example, the utility model patent with publication number CN219288938U discloses a hidden base pull handle. Through the setting of a rotating connecting seat and a rotating connecting head, the handle can be rotatably connected to the suitcase, thereby allowing the handle to be rotated and adjusted. When pulling the suitcase, the pulling angle of the handle can be changed, making it easier to pull the suitcase.

[0004] In existing technology, pull rods usually have control buttons on the handle to control the extension, retraction and locking of the pull rod. However, in order to achieve the rotation adjustment of the pull rod, the end of one end of the pull rod and the control button are on opposite sides of the hinge position. With the current technology, it is impossible to control the end of the pull rod through the control button. This means that one end of the pull rod cannot be locked after extension and retraction, which affects the use of the pull rod. Summary of the Invention

[0005] The purpose of this invention is to provide a locking mechanism for a folding telescopic rod and its related travel bag, so as to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, one aspect of the present invention provides a locking mechanism for a folding telescopic rod, comprising a first rod and a second rod, wherein the ends of the first rod and the second rod are hinged together, and the mechanism includes a driving assembly and an assembly tube movably sleeved on the outer wall of the first rod. A locking member is provided at one end of the first rod, and the locking member has a first state and a second state. When the locking member is in the first state, the first rod can slide within the assembly tube. When the locking member is in the second state, the first rod is locked at a preset position within the assembly tube. The locking member is connected to a first elastic member that drives it to maintain or reset to the second state. The driving assembly is linked from one side of the second rod to the locking member on one side of the first rod to switch it to the first state.

[0007] Furthermore, the first rod body has a first through groove extending through its length in the middle, and the second rod body has a second through groove extending through its length in the middle. The driving assembly includes a first push plate slidably disposed in the first through groove and a main push plate slidably disposed in the second through groove. The main push plate and the first push plate can work together to activate the locking member to switch it to the first state.

[0008] Furthermore, the locking member includes a locking pin and a first elastic member. The side of the assembly tube is provided with a locking hole that cooperates with the locking pin. The first elastic member acts directly or indirectly on the locking pin to keep or reset the locking member to the second state. When the locking member is in the second state, the locking pin is inserted into the locking hole to lock the first rod body in a preset position within the assembly tube.

[0009] Furthermore, the locking member includes a fixed frame, a sliding block is slidably connected inside the fixed frame, the locking post is fixedly connected to the side of the sliding block, the first elastic member is disposed inside the fixed frame, and one end of the first elastic member acts on one side of the sliding block to keep or reset the locking member to the second state.

[0010] Furthermore, the locking element includes:

[0011] The drive rod, the fixed frame has a third through groove that cooperates with the drive rod, the sliding block has an inclined groove that cooperates with the drive rod, the extension direction of the inclined groove is at 45° with the sliding direction of the sliding block, the drive rod can push the sliding block to slide against the force of the first elastic element, so that the locking pin retracts into the interior of the fixed frame, and the locking element switches to the first state;

[0012] A drive frame, one end of which is connected to the drive rod, and the other end of which is connected to the drive assembly.

[0013] Furthermore, a connecting seat is fixedly connected to the other end of the first rod body, and the fixing frame is fixedly connected to the inside of the connecting seat. A first through hole that cooperates with the locking pin is opened on the side of the fixing frame, and a second through hole for the locking pin to extend is opened on the side of the connecting seat.

[0014] Furthermore, a second push plate is fixedly connected to one end of the first push plate, and the end of the second push plate abuts against the end of the drive frame; a positioning frame is provided at the end of the first through slot, and the second push plate is slidably inserted into the inner cavity of the positioning frame; after the end of the second push plate passes through the positioning frame, an anti-detachment plate for sliding limit of the second push plate is fixedly connected.

[0015] Furthermore, the driving component includes:

[0016] A push rod, one end of which is fixedly connected to the main push plate, and the other end of which is fixedly connected to a pressing plate. A second elastic element for driving the main push plate to reset is sleeved on the outside of the push rod.

[0017] An auxiliary frame is embedded in the inner cavity of the second through slot. The push rod is slidably inserted into the inner cavity of the auxiliary frame. One end of the second elastic member abuts against the main push plate, and the other end of the second elastic member abuts against the inner side of the pressing plate. The end of the first rod and the end of the second rod are hinged together by a hinge shaft. The main push plate has a long groove in the middle that cooperates with the hinge shaft.

[0018] In another aspect, the present invention provides a travel bag including the above-described locking mechanism, including a pull rod, wherein the locking mechanism is disposed at one end of the pull rod.

[0019] Preferably, the other end of the pull rod is provided with a handle, and the end face of the handle is provided with a control button, which is linked to control the pressing plate.

[0020] The technical effects and advantages of this invention are as follows:

[0021] 1. The first elastic element is used to drive the locking element to remain or reset to the second state, so that the first rod is locked in the preset position inside the assembly tube;

[0022] 2. Using the drive assembly, the action from one side of the second rod body to one side of the first rod body drives the locking component to switch to the first state, so that the first rod body is unlocked and can slide inside the assembly tube, thereby realizing the extension and retraction of the first rod body. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the overall structure of the present invention.

[0024] Figure 2 This is a schematic diagram of the locking post and assembly tube of the present invention.

[0025] Figure 3 This is a schematic diagram of the front structure of the present invention.

[0026] Figure 4 This is a front cross-sectional view of the present invention.

[0027] Figure 5 This is a front sectional view of the bending frame structure of the present invention.

[0028] Figure 6 This is a top-view cross-sectional view of the fixed frame structure of the present invention.

[0029] In the diagram: 1. First rod; 2. Second rod; 3. Assembly tube; 4. Locking component; 41. Fixing frame; 42. Sliding block; 43. Locking column; 44. First elastic element; 45. Drive rod; 46. Drive frame; 5. Drive assembly; 51. First push plate; 52. Second push plate; 53. Positioning frame; 54. Anti-detachment plate; 55. Main push plate; 56. Push rod; 57. Auxiliary frame; 58. Second elastic element; 59. Pressing plate; 6. Long groove; 7. Connecting seat; 8. First through groove; 9. Second through groove; 10. Inclined groove. Detailed Implementation

[0030] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0031] This invention provides, for example Figure 1-6 The locking mechanism of a folding telescopic rod shown includes a first rod 1, a second rod 2, a drive assembly 5, and an assembly tube 3. The ends of the first rod 1 and the second rod 2 are hinged together by a hinge axis. The assembly tube 3 is movably sleeved on the outer wall of the first rod 1. When the hinge joint between the first rod 1 and the second rod 2 is pulled out of the assembly tube 3, the first rod 1 and the second rod 2 can rotate along the hinge axis. The assembly tube 3 is fixedly installed inside the luggage compartment tube, which facilitates the locking of the first rod 1 and allows the first rod 1 to be retracted into its interior. One end of the first rod 1 is provided with a locking member 4, which has a first state and a second state. When the locking member 4 is in the first state, the first rod 1 can... The first rod 1 slides within the assembly tube 3; when the locking member 4 is in the second state, the first rod 1 is locked in a preset position within the assembly tube 3; the locking member 4 is connected to a first elastic member 44 that drives it to maintain or reset to the second state; the driving component 5 is linked from one side of the second rod 2 to the locking member 4 on one side of the first rod 1 to switch it to the first state; the first rod 1 has a first through groove 8 extending through its length in the middle; the second rod 2 has a second through groove 9 extending through its length in the middle; the driving component 5 includes a first push plate 51 slidably disposed in the first through groove 8 and a main push plate 55 slidably disposed in the second through groove 9; the main push plate 55 and the first push plate 51 can be linked to the locking member 4 to switch it to the first state.

[0032] Specifically, the locking component 4 includes a fixed frame 41, a locking pin 43, a drive rod 45, and a drive bracket 46. A connecting seat 7 is fixedly connected to the other end of the first rod 1, which facilitates support for the fixed frame 41. The fixed frame 41 allows the sliding block 42 to slide within it, thus providing support for the sliding block 42. Figure 1 As shown, the locking pin 43 is slidably disposed inside the assembly tube 3. When the first rod 1 is retracted into the storage position, the locking pin 43 acts on the end of the assembly tube 3 to lock it; as shown Figure 2 As shown, when the first rod 1 extends to the preset position, the locking pin 43 engages with the assembly tube 3 to lock. The elastic force of the first elastic element 44 facilitates the horizontal sliding of the sliding block 42, making it easier for the sliding block 42 to drive the locking pin 43 to one side so that the locking element 4 is held or reset to the second state, facilitating repeated operation of the locking pin 43. The drive rod 45 is used to push the sliding block 42 to slide and compress the first elastic element 44. The sliding block 42 is slidably connected inside the fixed frame 41, which facilitates the movement of the locking pin 43, allowing the locking pin 43 to be hidden inside the connecting seat 7 or extended. The locking pin 43 is fixedly connected to the side of the sliding block 42. The side of the assembly tube 3 has a locking hole that cooperates with the locking pin 43. One end of the first elastic element 44 acts on one side of the sliding block 42. The other end of 4 abuts against the inner wall of the fixed frame 41. The fixed frame 41 has a third through groove that cooperates with the drive rod 45. The sliding block 42 has an inclined groove 10 that cooperates with the drive rod 45. The extension direction of the inclined groove 10 is at 45° with the sliding direction of the sliding block 42, so that the force direction of the drive rod 45 can be switched at 90°. The drive rod 45 pushes the sliding block 42 to slide, so that the locking pin 43 is housed inside the fixed frame 41. The inner wall of one end of the drive frame 46 is fixedly connected to both ends of the drive rod 45. The fixed frame 41 is fixedly connected to the inside of the connecting seat 7. The side of the fixed frame 41 has a first through hole that cooperates with the locking pin 43. The side of the connecting seat 7 has a second through hole for the locking pin 43 to extend.

[0033] More specifically, the drive assembly 5 includes a first push plate 51, a positioning frame 53, a main push plate 55, a push rod 56, and an auxiliary frame 57. The first push plate 51 is used to push the second push plate 52 to move, so that the second push plate 52 pushes the drive frame 46 to slide. The drive frame 46 drives the drive rod 45 to slide inside the inclined groove 10 on the sliding block 42, so that the sliding block 42 slides and compresses the first elastic member 44. At the same time, the locking pin 43 is hidden inside the connecting seat 7, so that the first rod 1 slides inside the assembly tube 3. The positioning frame 53 is beneficial for horizontally guiding the sliding of the second push plate 52, and at the same time, it is beneficial for limiting the position of the anti-detachment plate 54, which in turn is beneficial for limiting the sliding position of the first push plate 51, preventing the first push plate 51 from arbitrarily detaching from the inside of the second sliding groove. When the second rod 2 rotates to the position aligned with the first rod 1, the main push plate 55 extends to push the first push plate 51, thereby pushing and controlling the sliding block 42 to control the locking pin 43. The push rod 56 is used to push the main push plate 55 to slide. The auxiliary frame 57 guides the sliding of the push rod 56 and limits the deformation of the second elastic element 58. The end of the first push plate 51 is fixedly connected to the second push plate 52, and the end of the second push plate 52 is connected to the drive frame 4. The ends of 6 abut against each other, the positioning frame 53 is embedded in the inside of the first through groove 8, the second push plate 52 is slidably inserted into the inner cavity of the positioning frame 53, and the end of the second push plate 52 is fixedly connected to an anti-detachment plate 54 for sliding limit of the second push plate 52. The main push plate 55 is slidably disposed in the inside of the second through groove 9. The main push plate 55 extends from one end of the second through groove 9 and acts on the end of the first push plate 51, causing the first push plate 51 to slide into the first through groove 8, thereby acting in conjunction with the locking member 4. One end of the push rod 56 is fixedly connected to the main push plate 55, and the other end of the push rod 56 is fixedly connected to a pressing plate 59. The end face of the pressing plate 59 is linked with the push switch inside the luggage handle, so that the pressing plate 59 can be pushed in conjunction with the pressing switch on the luggage handle, thereby locking the locking member 4. The push rod 56 is fitted with a second elastic element 58 for driving the main push plate 55 to reset. The elastic force of the second elastic element 58 is conducive to pushing the pressing plate 59 to move, so that the pressing plate 59 can drive the push rod 56 and the main push plate 55 to move and then return to the original position, so as to repeat the operation of the main push plate 55. The auxiliary frame 57 is embedded in the inner cavity of the second through groove 9. The push rod 56 is slidably inserted into the inner cavity of the auxiliary frame 57. One end of the second elastic element 58 abuts against the main push plate 55, and the other end of the second elastic element 58 fits against the pressing plate 59. The main push plate 55 has a long groove 6 in the middle that cooperates with the hinge shaft.

[0034] This embodiment also provides a travel bag, including a pull rod, with the locking mechanism located at one end of the pull rod. The other end of the pull rod has a handle, and the end face of the handle has a control button that controls the pressing plate 59.

[0035] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A locking mechanism for a folding telescopic rod, comprising a first rod body (1) and a second rod body (2), wherein the end of the first rod body (1) is hinged to the end of the second rod body (2), characterized in that: It includes a drive assembly (5) and an assembly tube (3) that is movably sleeved on the outer wall of the first rod (1). One end of the first rod (1) is provided with a locking member (4), which has a first state and a second state. When the locking member (4) is in the first state, the first rod (1) can slide inside the assembly tube (3); when the locking member (4) is in the second state, the first rod (1) is locked in a preset position inside the assembly tube (3); the locking member (4) is connected to a first elastic member (44) that drives it to remain or reset to the second state, and the driving component (5) is linked from the second rod (2) side to the locking member (4) on the first rod (1) side to switch it to the first state.

2. The locking mechanism of a folding telescopic rod according to claim 1, characterized in that: The first rod (1) has a first through groove (8) extending through its length in the middle part, and the second rod (2) has a second through groove (9) extending through its length in the middle part. The drive assembly (5) includes a first push plate (51) slidably disposed in the first through groove (8) and a main push plate (55) slidably disposed in the second through groove (9). The main push plate (55) and the first push plate (51) can work together to the locking member (4) to switch it to the first state.

3. The locking mechanism for a folding telescopic rod according to claim 2, characterized in that, The locking member (4) includes a locking pin (43) and a first elastic member (44). The side of the assembly tube (3) is provided with a locking hole that cooperates with the locking pin (43). The first elastic member (44) acts directly or indirectly on the locking pin (43) to keep or reset the locking member (4) to the second state. When the locking member (4) is in the second state, the locking pin (43) is inserted into the locking hole to lock the first rod (1) in a preset position in the assembly tube (3).

4. The locking mechanism of a folding telescopic rod according to claim 3, characterized in that, The locking member includes a fixed frame (41), a sliding block (42) is slidably connected inside the fixed frame (41), the locking post (43) is fixedly connected to the side of the sliding block (42), the first elastic member (44) is disposed inside the fixed frame (41), and one end of the first elastic member (44) acts on one side of the sliding block (42) to keep or reset the locking member (4) to the second state.

5. The locking mechanism for a folding telescopic rod according to claim 4, characterized in that, The locking element (4) includes: The drive rod (45) and the fixed frame (41) are provided with a third through groove that cooperates with the drive rod (45). The sliding block (42) is provided with an inclined groove (10) that cooperates with the drive rod (45). The extension direction of the inclined groove (10) is at 45° with the sliding direction of the sliding block (42). The drive rod (45) can push the sliding block (42) to slide against the force of the first elastic member (44) so ​​that the locking pin (43) retracts into the interior of the fixed frame (41) and the locking member (4) switches to the first state. A drive frame (46) is provided, one end of which is connected to the drive rod (45), and the other end of which is connected to the drive assembly (5).

6. The locking mechanism of a folding telescopic rod according to claim 5, characterized in that, The other end of the first rod (1) is fixedly connected to a connecting seat (7), and the fixing frame (41) is fixedly connected to the inside of the connecting seat (7). The side of the fixing frame (41) is provided with a first through hole that cooperates with the locking pin (43), and the side of the connecting seat (7) is provided with a second through hole for the locking pin (43) to extend.

7. The locking mechanism for a folding telescopic rod according to claim 6, characterized in that, One end of the first push plate (51) is fixedly connected to a second push plate (52), the end of the second push plate (52) abuts against the end of the drive frame (46), the end of the first through groove (8) is provided with a positioning frame (53), the second push plate (52) is slidably inserted into the inner cavity of the positioning frame (53), and the end of the second push plate (52) passes through the positioning frame (53) and is fixedly connected to an anti-detachment plate (54) for sliding limit of the second push plate (52).

8. The locking mechanism of a folding telescopic rod according to claim 7, characterized in that, The driving component (5) includes: A push rod (56) is provided, one end of which is fixedly connected to the main push plate (55), and the other end of which is fixedly connected to a pressing plate (59). A second elastic element (58) for driving the main push plate (55) to reset is provided on the outside of the push rod (56). An auxiliary frame (57) is embedded in the inner cavity of the second through slot (9). The push rod (56) is slidably inserted into the inner cavity of the auxiliary frame (57). One end of the second elastic member (58) abuts against the main push plate (55), and the other end of the second elastic member (58) abuts against the inner side of the pressing plate (59). The end of the first rod (1) and the end of the second rod (2) are hinged by a hinge shaft. The main push plate (55) has a long groove (6) in the middle that cooperates with the hinge shaft.

9. A travel bag, comprising the locking mechanism according to any one of claims 1-8, characterized in that, It includes a pull rod, and the locking mechanism is located at one end of the pull rod.

10. A travel bag according to claim 9, characterized in that, The other end of the pull rod is provided with a handle, and the end face of the handle is provided with a control button, which is linked to control the pressing plate (59).

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