RV door lock and RV

Abstract

The present application belongs to the field of recreational vehicles, and in particular relates to a recreational vehicle door lock and a recreational vehicle. The recreational vehicle door lock includes a shell, which is installed on the inner door; a drive block, which is slidably arranged in the shell, and its sliding path includes at least an initial position, a first position, and a second position; an inner handle, which is located on the inner side of the inner door, and the inner handle is rotated to move the drive block from the initial position to the first position; a pull handle, which is located on the inner side of the inner door, and the pull handle is rotated to move the drive block from the initial position to the first position and the second position; an outer handle, which is located on the outer side of the inner door, and the outer handle is rotated to move the drive block from the initial position to the first position; a pull rod, which is connected to the drive block and moves synchronously; a main lock, which is connected to the pull rod and is used to lock or unlock the inner door and the door frame; and a secondary lock, which is connected to the pull rod and is used to lock or unlock the outer door and the inner door. The recreational vehicle door lock of the present invention has a simple structure and is easy to operate. The inner door and the door frame, as well as the inner door and the outer door, can be separated by moving the drive block to different positions.

Description

Technical Field

[0001] The present application relates to the field of recreational vehicles, and in particular to a recreational vehicle door lock and a recreational vehicle. Background Art

[0002] RVs differ from ordinary vehicles in that they serve not only as transportation but also as living quarters, hence the name "recreational vehicle." RV doors are required to provide safety and security, and to enhance comfort, ventilation is also a requirement. They are typically constructed with a double-layered structure: an outer door primarily for safety, and an inner screen door for ventilation during rest periods, while also preventing insects, snakes, and ants from entering the vehicle.

[0003] RV door locks mainly play the role of closing, locking or opening the RV door and the RV body, as well as closing, locking or opening the inner door and outer door. Existing RV door locks have a complex structure and are cumbersome to operate. Summary of the Invention

[0004] The invention aims to solve the technical problems of the existing technology that the RV door lock has a complex structure and is cumbersome to operate.

[0005] In order to solve the above problems, the present invention provides a caravan door lock, which is used to lock the inner door, outer door and door frame of the caravan, including:

[0006] a housing, mounted on the inner door;

[0007] A driving block is slidably disposed in the housing, and its sliding path includes at least an initial position, a first position, and a second position;

[0008] an inner handle, rotatably mounted on the housing and located on the inner side of the inner door, wherein the inner handle is capable of rotating to move the driving block from the initial position to the first position;

[0009] a handle rotatably mounted on the housing and located on the inner side of the inner door, wherein the handle is rotatable to move the driving block from an initial position to a first position and a second position;

[0010] an outer handle rotatably mounted on the housing and located on the outer side of the inner door, wherein rotation of the outer handle can move the driving block from the initial position to the first position;

[0011] a pull rod connected to the driving block and moving synchronously;

[0012] a main lock connected to the pull rod and used for locking or unlocking the inner door and the door frame, wherein when the driving block is in the initial position, the main lock is in a locked state, and when the driving block is in the first position, the main lock is in an unlocked state;

[0013] A secondary lock is connected to the pull rod and is used to lock or unlock the outer door and the inner door. When the drive block is in the initial position and the first position, the secondary lock is in a locked state. When the drive block is in the second position, the secondary lock is in an unlocked state.

[0014] In some embodiments, a safety mechanism is further included on the housing, and the safety mechanism limits the handle to prevent the handle from rotating relative to the housing.

[0015] In some embodiments, the safety mechanism includes an operating part rotatably arranged on the shell, the operating part extends a limiting part toward one side of the handle, the handle extends a limiting end at one end close to the safety mechanism, the limiting part conflicts with the limiting end to prevent the handle from rotating relative to the shell, and the limiting part disengages from the limiting end to enable the handle to rotate relative to the shell.

[0016] In some embodiments, a lock core is further included, and when the lock core is in a locked position, the lock core prevents the drive block from moving relative to the housing.

[0017] In some embodiments, the lock core has a key hole and a knob, the key hole is exposed to the outside of the inner door, and the key is inserted into the key hole to put the lock core in a locked position or an unlocked position; the knob is located on the inside of the inner door, and turning the knob puts the lock core in a locked position or an unlocked position.

[0018] In some embodiments, the inner walls on both sides of the drive block have flanges extending toward the center, and the flanges are provided with locking notches matching the outer diameter of the lock core. The outside of the lock core has a clearance groove corresponding to the flange. When the clearance groove is staggered with the locking notch, the lock core is in a locked position; when the clearance groove corresponds to the locking notch, the lock core is in an unlocked position.

[0019] In some embodiments, a through hole is provided at a position corresponding to the outer door and the shell, a reset element is provided between the outer handle and the shell, the outside of the lock core also has a limit groove, and a limit block extends from one end of the outer handle close to the lock core; when the lock core is in a locked position, the limit block is located in the limit groove, and the reset element makes the outer handle hidden in the through hole; when the lock core is in an unlocked position, the limit block is disengaged from the limit groove, the outer handle exposes the through hole, and the outer handle can rotate relative to the shell.

[0020] In some embodiments, the main lock includes a lock pin fixed on the pull rod and a block fixed on the door frame, and the block is provided with a notch for accommodating the lock pin.

[0021] In some embodiments, the bottom of the block has a first guiding slope, and the notch is located at the end of the first guiding slope.

[0022] In some embodiments, a guide block is fixedly provided on the inner door, the top of the block has a second guide slope, and the bottom of the guide block has a third guide slope. When the inner door is closed, the third guide slope cooperates with the second guide slope.

[0023] In some embodiments, the secondary lock includes a latch fixed on the outer door and a lock box fixed on the pull rod, a slot is provided on the latch, and a pair of elastic clamping blocks arranged opposite to each other are provided in the lock box, and the gap between the pair of elastic clamping blocks forms a limiting channel, and the limiting channel includes a locking section and an unlocking section, the width of the locking section is smaller than the outer diameter of the slot, and the width of the unlocking section is larger than the outer diameter of the slot, when the drive block is in the initial position and the first position, the latch is located in the locking section, and the elastic clamping block is located in the slot, and when the drive block is in the second position, the latch is located in the unlocking section, and the elastic clamping block is disengaged from the slot.

[0024] In some embodiments, the width of the limiting channel of the locking section gradually decreases toward the unlocking section, and a step is provided at the connection with the unlocking section.

[0025] In some embodiments, the latch is tapered at one end facing the lock box.

[0026] In some embodiments, the rotation axes of the handle and the outer handle are parallel to the width direction of the inner door, and the rotation axis of the inner handle is parallel to the thickness direction of the inner door. The outer handle, inner handle and handle are all provided with swing arms, and the drive block is driven to slide by the corresponding swing arms respectively.

[0027] In some embodiments, the outer handle, the inner handle, and the swing arm of the pull handle are in rolling friction contact with the drive block through rollers.

[0028] The present invention also provides a recreational vehicle, which includes the above-mentioned recreational vehicle door lock.

[0029] Beneficial Effects: The RV door lock of the present invention does not require a complex transmission mechanism, has a simple structure, and is low-cost. The inner door can be separated from the door frame, and the inner door can be separated from the outer door, by moving the drive block to different positions. When the door needs to be opened, the inner door and door frame can be separated from the vehicle by operating the interior handle or pull handle from inside the vehicle. The inner door and outer door can be separated by moving the drive block to the second position using the pull handle. When opening the door from outside the vehicle, the inner door and door frame can be separated by operating the exterior handle to move the drive block to the first position, thereby simplifying operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 This is a schematic diagram of the RV door structure;

[0031] Figure 2 This is a structural diagram of the RV door from another angle;

[0032] Figure 3 This is a schematic diagram of the door structure after the door frame is hidden;

[0033] Figure 4 for Figure 3 A magnified view of the structure at center A;

[0034] Figure 5 This is a schematic diagram of the RV door lock structure;

[0035] Figure 6 for Figure 5 A magnified view of the structure at point B in the middle;

[0036] Figure 7 for Figure 6 A magnified view of the structure at point C in the middle;

[0037] Figure 8 This is a structural diagram of the RV door lock from another angle;

[0038] Figure 9 for Figure 8 A magnified view of the structure at point D in the middle;

[0039] Figure 10 for Figure 8 Enlarged view of the structure at E in the middle;

[0040] Figure 11 for Figure 8 Enlarged view of the structure at F in the middle (the latch is not shown);

[0041] Figure 12 This is a schematic diagram of the structure of the drive block cooperating with the outer handle, pull handle, and inner handle;

[0042] Figure 13 for Figure 12 A magnified view of the structure at G in the middle;

[0043] Figure 14 This is a schematic diagram of the structure of the drive block cooperating with the outer handle, pull handle and inner handle at another angle;

[0044] Figure 15 for Figure 14 A magnified view of the structure at H in the middle;

[0045] Figure 16 This is a partial view of the RV door.

[0046] In the figure, 100. Inner door, 200. Outer door, 210. Through hole, 220. Hanging ring, 300. Door frame, 10. Housing, 11. Inner panel, 12. Outer panel, 13. Drive block, 131. Flange, 132. Locking notch, 20. Inner handle, 30. Handle, 31. Limit end, 32. Swing arm, 33. Roller, 40. Outer handle, 41. Limit block, 42. Reset element, 50. Pull rod, 51. Slide hole, 52. Positioning column, 53. Guide block, 54. Third guide slope, 55. Tension spring, 60. Main lock, 61. Block, 62. Lock pin, 63. First guide slope, 64. Notch, 65. Second guide slope, 70. Auxiliary lock, 71. Lock box, 72. Elastic clamping block, 721. Locking section, 722. Unlocking section, 723. Step, 73. Latch, 74. Slot, 80. Safety mechanism, 81. Operating part, 82. Limiting part, 90. Lock cylinder, 91. Lock hole, 92. Knob, 93. Giving groove, 94. Limiting groove. DETAILED DESCRIPTION

[0047] The present application will be further described below in conjunction with specific embodiments. Obviously, the embodiments described are only a portion of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without making creative changes are within the scope of protection of the present application.

[0048] like Figures 1 to 3 As shown, the RV door lock provided by the present invention is used to lock the inner door 100, outer door 200, and door frame 300 of an RV. The door frame 300 is mounted on the RV body to secure the RV doors. The inner door 100 and outer door 200 are both hinged to the door frame 300. The inner door 100 can be locked to the door frame 300 separately from the outer door 200, or it can be locked together with the outer door 200 and locked to the door frame 300. The outer door 200 mainly serves a safety function and can be opened. The inner door 100 is designed as a screen door (the screen structure is not shown in the figure) and mainly provides ventilation. When driving, the inner door 100 and the outer door 200 need to be locked and then locked to the door frame 300 to close the door. When stopping for a rest, the inner door 100 can be locked to the door frame 300 while the outer door 200 is separated from the inner door 100 and opened. The screen door can be used for ventilation and prevent mosquitoes, snakes, and ants from entering the vehicle.

[0049] like Figures 3 to 15 As shown, the RV door lock includes

[0050] The housing 10 is mounted on the inner door 100;

[0051] The driving block 13 is slidably disposed in the housing 10, and its sliding path includes at least an initial position, a first position, and a second position;

[0052] an inner handle 20 rotatably mounted on the housing 10 and located on the inner side of the inner door 100 , wherein the inner handle 20 is rotated to move the driving block 13 from the initial position to the first position;

[0053] A handle 30 is rotatably mounted on the housing 10 and located on the inner side of the inner door 100 . Rotation of the handle 30 enables the driving block 13 to move from an initial position to a first position and a second position.

[0054] an outer handle 40 rotatably mounted on the housing 10 and located on the outer side of the inner door 100 , wherein the outer handle 40 is rotated to move the driving block 13 from the initial position to the first position;

[0055] The pull rod 50 is connected to the driving block 13 and moves synchronously;

[0056] A main lock 60 is connected to the pull rod 50 and is used to lock or unlock the inner door 100 and the door frame 300. When the driving block 13 is in the initial position, the main lock 60 is in a locked state. When the driving block 13 is in the first position, the main lock 60 is in an unlocked state.

[0057] The secondary lock 70 is connected to the pull rod 50 and is used to lock or unlock the outer door 200 and the inner door 100. When the drive block 13 is in the initial position and the first position, the secondary lock 70 is in a locked state. When the drive block 13 is in the second position, the secondary lock 70 is in an unlocked state.

[0058] like Figure 6 and 9 As shown, in some embodiments, the housing 10 is composed of an inner panel 11 and an outer panel 12 connected by bolts, and the driving block 13 is slidably installed in the installation space formed between the inner panel 11 and the outer panel 12, as shown in FIG. Figure 3 As shown, during installation, a mounting hole is opened in the middle of the frame on the side of the inner door 100 away from the hinge to install the shell 10, so that the inner panel 11 of the shell 10 is basically flush with the inner side panel of the inner door 100, and the outer panel 12 of the shell 10 is basically flush with the outer side panel of the inner door 100. A avoidance hole is opened at the corresponding position on the side of the frame of the inner door 100 (the side in the thickness direction of the inner door 100). Bolts are passed through the avoidance hole to fix the pull rod 50 on the drive block 13, so that the pull rod 50 can be attached to the side of the frame and can move up and down synchronously with the drive block 13. Figure 4 、 10As shown in Figures 11, in order to ensure that the pull rod 50 fits snugly on the side of the frame and slides smoothly, multiple positioning posts 52 can be fixed in the height direction of the side of the frame, and a slide slot hole 51 can be set at the corresponding position of the pull rod 50. The head of the positioning post 52 can have a diameter greater than the width of the slide slot hole 51, or a positioning block can be fixed at the end of the positioning post 52. The size of the positioning block is greater than the width of the slide slot hole 51. The positioning post 52 passes through the slide slot hole 51, and the head or positioning block of the positioning post 52 is located outside the slide slot hole 51, thereby restricting the pull rod 50, so that the pull rod 50 can move up and down synchronously with the drive block 13, while fitting with the side of the frame and not detaching. The length of the slide slot hole 51 should not be less than the distance that the drive block 13 moves from the initial position to the second position, so as to allow the pull rod 50 to move synchronously with the drive block 13.

[0059] like Figure 3 、 5 As shown in Figures 8 and 8, the pull rod 50 extends up and down from the side of the frame of the inner door 100, basically extending to the top and bottom of the side. The number of main locks 60 can be set to multiple. As shown in the figure, in one embodiment, a total of 4 main locks 60 are set, and the 4 main locks 60 are distributed at different heights of the RV door. Operate the inner handle 20, the handle 30 or the outer handle 40 to slide the drive block 13 downward from the initial position to the first position, and drive the pull rod 50 to drop to a corresponding height, so that the main lock 60 can be unlocked, and the inner door 100 and the outer door 200 can be separated. After unlocking, release the inner handle 20, the handle 30 or the outer handle 40 to allow the drive block 13 to return from the first position to the initial position, as shown in Figure 8. Figure 11 As shown, a tension spring 55 can be set between the upper end of the pull rod 50 and the upper end of the inner door 100. When the inner handle 20, the handle 30 or the outer handle 40 is released, the tension spring 55 automatically pulls the pull rod 50 upward, thereby driving the drive block 13 to move upward and return to its initial position; a tension spring 55 can also be set between the drive block 13 and the shell 10. When the inner handle 20, the handle 30 or the outer handle 40 is released, the tension spring 55 automatically pulls the drive block 13 upward and returns to its initial position.

[0060] Unlike the main lock 60, the secondary lock 70 is in a locked state when the drive block 13 is in the initial position and the first position. Continuing to pull the outer handle 40 causes the drive block 13 to continue to move from the first position to the second position. At this time, the secondary lock 70 is unlocked, and the inner door 100 and the outer door 200 can be separated from each other. Release the outer handle 40, and the pull rod 50 and the drive block 13 are reset under the action of the tension spring 55.

[0061] In some embodiments, Figures 1 to 15As shown, the rotation axes of the handle 30 and the outer handle 40 are parallel to the width direction of the inner door 100, and the rotation axis of the inner handle 20 is parallel to the thickness direction of the inner door 100. As shown in the figure, the inner handle 20 is rotatably arranged on the upper part of the inner panel 11 of the shell 10 through a rotating shaft, the handle 30 is rotatably arranged on the bottom of the inner panel 11 through a rotating shaft, and the outer handle 40 is rotatably arranged on the outer panel 12 of the shell 10 through a rotating shaft. In order to enable automatic reset after stopping the operation, reset springs can be provided on the rotating shafts of the inner handle 20, the handle 30, and the outer handle 40. The inner handle 20, the pull handle 30, and the outer handle 40 each include an operating end for the operator to operate and a swing arm 32 for driving the drive block 13 to move. The drive block 13 is provided with contact points for contacting the swing arms 32 on the inner handle 20, the pull handle 30, and the outer handle 40, respectively. Operating the operating end of the inner handle 20, the pull handle 30, or the outer handle 40 can drive the corresponding swing arm 32 to swing. During the swinging process of the swing arm 32, the drive block 13 moves downward by contacting the corresponding contact points. In some embodiments, such as Figure 7 、 13 15, rollers 33 are provided on the swing arm 32 or contact points to convert sliding friction between the swing arm 32 and the corresponding contact points into rolling friction, thereby reducing wear, improving service life, and enhancing operational smoothness. Specifically, as shown in the figure, rollers 33 are provided on the swing arm 32 of the inner handle 20, and rollers 33 are provided on the contact points of the handle 30 and outer handle 40 corresponding to the swing arm 32. This structure enables the inner handle 20, handle 30, and outer handle 40 to directly drive the drive block 13, avoiding the use of transmission structures such as gears and racks. This significantly reduces the number of parts, simplifies the structure, and reduces assembly difficulty and workload.

[0062] In some embodiments, in order to avoid misoperation of the handle 30, as shown in FIG. Figure 6 、 7 As shown in FIG13 , the RV door lock further includes a safety mechanism 80 disposed on the housing 10 , and the safety mechanism 80 limits the handle 30 to prevent the handle 30 from rotating relative to the housing 10 .

[0063] Specifically, in one embodiment, Figure 6 、 7As shown in Figures 13 and 13, the safety mechanism 80 includes an operating portion 81 rotatably arranged on the shell 10, and the operating portion 81 extends a limiting portion 82 toward one side of the handle 30. The handle 30 extends a limiting end 31 at one end close to the safety mechanism 80, and the limiting portion 82 conflicts with the limiting end 31 to prevent the handle 30 from rotating relative to the shell 10. The limiting portion 82 disengages from the limiting end 31 to enable the handle 30 to rotate relative to the shell 10. As shown in the figure, the safety mechanism 80 can be rotatably mounted on the inner panel 11 of the housing 10. A return spring is provided between the rotating shaft of the safety mechanism 80 and the housing 10. The limit end 31 of the handle 30 is positioned above the swing arm 32 of the handle 30. In the initial state where the handle 30 is not pulled, a gap exists between the limit end 31 and the inner panel 11 of the housing 10. The limit portion 82 is located within the gap. The limit end 31 and the limit portion 82 are in conflict with each other, and the handle 30 cannot rotate. The safety mechanism 80 is rotated to allow the limit portion 82 to swing out of the gap between the limit end 31 and the inner panel 11 of the housing 10. The limit end 31 and the limit portion 82 no longer conflict with each other, and the handle 30 can rotate. The provision of the safety mechanism 80 can effectively prevent misoperation by children or operators, thereby improving safety.

[0064] In some embodiments, to improve security, such as Figure 6 、 7 As shown in Figures 9, 13, and 15, the RV door lock further includes a lock cylinder 90. When the lock cylinder 90 is in the locked position, the lock cylinder 90 prevents the drive block 13 from moving relative to the housing 10. When the lock cylinder 90 is in the locked position, even if the safety mechanism 80 is in the open state, that is, the limit portion 82 is disengaged from the limit end 31, the handle 30 cannot move the drive block 13 under the action of the lock cylinder 90.

[0065] In one embodiment, the lock cylinder 90 has a keyhole 91 and a knob 92. The keyhole 91 is exposed on the outside of the inner door 100. Inserting a key into the keyhole 91 locks or unlocks the lock cylinder 90. The knob 92 is located on the inside of the inner door 100. Turning the knob 92 locks or unlocks the lock cylinder 90. From outside the vehicle, the key can be used to unlock the door, while from inside the RV, the knob 92 can be used to unlock the door, providing ease of operation and enhanced security.

[0066] Specifically, in one embodiment, Figure 13 、 15As shown, the inner walls on both sides of the driving block 13 have flanges 131 extending toward the center, and the flanges 131 are provided with locking notches 132 that match the outer diameter of the lock core 90. The outside of the lock core 90 has a clearance groove 93 corresponding to the flange 131. When the clearance groove 93 is staggered with the locking notch 132, the lock core 90 is in a locked position. When the clearance groove 93 corresponds to the locking notch 132, the lock core 90 is in an unlocked position. The lock core 90 is set between the inner handle 20 and the outer handle 40. The clearance groove 93 is a groove set on the outer peripheral surface of the lock core 90 that does not surround the lock core 90. That is, two sections of clearance grooves 93 are set on the outer periphery of the lock core 90, and the two sections of limiting grooves 94 are symmetrically set at the same height of the outer periphery of the lock core 90. When the clearance groove 93 is staggered with the locking notch 132 on the flange 131 of the drive block 13, that is, the lock core 90 is in the locked position, the outer periphery of the lock core 90 interferes with the locking notch 132, limiting the lock core 90 from locking. When the key or knob 92 is rotated to rotate the lock cylinder 90 90° and the lock cylinder 90 is in the unlocked position, the clearance groove 93 is aligned with the flange 131 of the drive block 13. Since the distance between the bottoms of the two sections of the clearance groove 93 is smaller than the distance between the flanges 131 on both sides of the drive block 13, the lock cylinder 90 no longer interferes with the drive block 13. When the drive block 13 moves downward, the flange 131 of the drive block 13 can be inserted into the clearance groove 93 to form a sliding fit relationship.

[0067] In some embodiments, in order to facilitate the operation of the external handle 40, as shown in FIG. Figure 16 As shown, the outer door 200 is provided with a through hole 210 at a position corresponding to the housing 10, and a reset element 42 is provided between the outer handle 40 and the housing 10. Figure 13 and 15 As shown, the lock core 90 further has a limiting groove 94 on the outside, and a limiting block 41 extends from one end of the outer handle 40 close to the lock core 90; when the lock core 90 is in the locked position, the limiting block 41 is located in the limiting groove 94, and the reset element 42 makes the outer handle 40 hidden in the through hole 210 (as shown in FIG. Figure 16as shown); when the lock core 90 is in the unlocked position, the limit block 41 is disengaged from the limit groove 94, the outer handle 40 is exposed to the through hole 210, and the outer handle 40 can rotate relative to the shell 10. Specifically, the limit groove 94 can be set at the bottom of the give way groove 93, that is, the limit groove 94 is closer to the outside of the inner door 100 than the give way groove 93, and corresponds to the position of the give way groove 93. The reset element 42 can be the reset spring in the above embodiment. When the limit block 41 is located in the limit groove 94, that is, the lock core 90 is in the locked state, the limit block 41 is no longer restricted by the outer circumferential wall of the lock core 90, and the outer handle 40 is hidden in the through hole 210 under the restoring force of the reset element 42. When the stop block 41 is disengaged from the stop slot 94, that is, when the lock cylinder 90 is in the unlocked position, the stop block 41 of the outside handle 40 contacts the outer circumferential wall of the lock cylinder 90 and is squeezed by the outer circumferential wall of the lock cylinder 90, forcing the outside handle 40 to rotate and expose its operating end through the through hole 210, facilitating operation by the operator. During this process, the swing arm 32 of the outside handle 40 does not contact the corresponding contact point on the drive block 13, thereby preventing the drive block 13 from moving. At this time, the outside handle 40 is gripped by the operating end that is exposed through the through hole 210 and pulled away from the RV. The swing arm 32 contacts the corresponding contact point on the drive block 13, thereby moving the drive block 13 and unlocking the main lock 60. When the outside handle 40 is released, the return spring can return it to the position where it is exposed through the through hole 210. At this time, the stop block 41 abuts against the outer circumferential wall of the lock cylinder 90. When the lock cylinder 90 is locked, the lock cylinder 90 is rotated, causing the limit block 41 to slide from the outer circumferential wall of the lock cylinder 90 into the limit groove 94. Since the limit groove 94 is recessed in the outer circumferential wall of the lock cylinder 90, the outer handle 40 continues to return to its original position under the restoring force of the reset element 42, and the outer handle 40 is restored to a state hidden in the through hole 210. This design prevents the outer handle 40 from protruding from the surface of the RV when driving, which not only reduces air resistance but also prevents the outer handle 40 from being scratched. At the same time, it also allows the operator to know the locked state of the RV door lock, preventing the operator from forgetting to lock the RV when leaving the RV.

[0068] Furthermore, in some embodiments, Figure 16 As shown, a hanging ring 220 is provided on the outside of the outer door 200 through the hole 210, so that when the outer door 200 is opened alone or the outer door 200 and the inner door are opened together, the hanging ring 220 can be hung on the outside of the RV body to fix the outer door 200.

[0069] In some embodiments, Figure 4 、 10As shown in Figures 11 and 12 , the primary lock 60 includes a lock pin 62 fixed to the pull rod 50 and a block 61 fixed to the door frame 300. The block 61 is provided with a notch 64 for accommodating the lock pin 62. Specifically, the notch 64 is located on the bottom surface of the block 61. When the lock pin 62 is located within the notch 64, the inner door 100 and the door frame 300 are in a closed and locked state. When the drive block 13 moves downward from the initial position to the first position, the pull rod 50 drives the lock pin 62 downward and disengages from the notch 64 of the block 61, thereby unlocking the primary lock 60. During this process, the secondary lock 70 remains locked.

[0070] like Figure 4 、 10 As shown in FIG11 , in order to ensure effective cooperation between the block 61 and the locking pin 62 and avoid interference during door closing, in some embodiments, the bottom of the block 61 has a first guide slope 63 , and the notch 64 is located at the end of the first guide slope 63 . Specifically, the height of the end of the first guide slope 63 close to the outside of the RV is higher. During the process of closing the inner door 100, the drive block 13 is in the initial position under the action of the tension spring 55, and the lock pin 62 is in the highest position at this time, but it is still lower than the height of the end of the first guide slope 63 close to the outside of the RV; when the lock pin 62 contacts the first guide slope 63 of the block 61 and continues to close the door, the lock pin 62 moves downward along the first guide slope 63, and the pull rod 50 and the drive block 13 also move downward accordingly; when the lock pin 62 moves to the position of the notch 64, under the action of the tension spring 55, the pull rod 50 drives the lock pin 62 and the drive block 13 to move upward automatically until the drive block 13 is in the initial position. At this time, the lock pin 62 is located in the notch 64, and the main lock 60 is locked.

[0071] Since the RV door has a large area and is a double-door structure with an inner door 100 and an outer door 200, and is also heavy, it is prone to deflection. In some embodiments, Figure 4 、 10As shown in Figure 11, a guide block 53 is fixedly provided on the inner door 100, a second guide slope 65 is provided on the top of the block 61, and a third guide slope 54 is provided on the bottom of the guide block 53. When the inner door 100 is closed, the third guide slope 54 cooperates with the second guide slope 65. The positioning block on the positioning column 52 of the inner door 100 can be set as a guide block 53 to reduce the number of parts. Specifically, the positioning block is located above the lock pin 62 and the block 61. The third guide slope 54 at the bottom of the guide block 53 is higher at the end facing the inside of the RV, while the second guide slope 65 at the top of the block 61 is lower at the end facing the outside of the RV. When the inner door 100 is closed, the end of the block 61 close to the outside of the RV is inserted between the guide block 53 and the lock pin 62 and contacts the lock pin 62. The lock pin 62 will The first guide bevel 63 causes a downward displacement, and the inner door 100 as a whole will be subjected to a downward force, coupled with the self-weight of the inner door 100. If the rigidity of the inner door 100 or the hinge is insufficient, deflection will occur, that is, the side of the inner door 100 away from the hinge will deflect downward. At this time, the third guide bevel 54 of the guide block 53 contacts the second guide bevel 65 of the clamping block 61, thereby preventing the inner door 100 from further deflecting, avoiding the deflection and deformation that causes misalignment with the door frame 300, and making it impossible to lock or open, while improving the service life of the inner door 100.

[0072] In some embodiments, as Figure 10 and 11As shown, the secondary lock 70 includes a latch 73 fixed on the outer door 200 and a lock box 71 fixed on the pull rod 50, the latch 73 is provided with a slot 74, and a pair of elastic clamping blocks 72 arranged opposite to each other are provided in the lock box 71, and the gap between the pair of elastic clamping blocks 72 forms a limiting channel, and the limiting channel includes a locking section 721 and an unlocking section 722, the locking section 721 has a width smaller than the outer diameter of the slot 74, and the unlocking section 722 has a width larger than the outer diameter of the slot 74, when the drive block 13 is in the initial position and the first position, the latch 73 is located in the locking section 721, and the elastic clamping block 72 is located in the slot 74, and when the drive block 13 is in the second position, the latch 73 is located in the unlocking section 722, and the elastic clamping block 72 is disengaged from the slot 74. As shown in the figure, the lock box 71 is fixed inside the inner door 100, and a through hole facing the limiting channel is opened on the inner outer plate. The latch 73 is fixed on the inner panel of the outer door 200, and its position and height correspond to the through hole. When the inner door 100 and the outer door 200 are in the locked state, the latch pin 73 is inserted into the through hole, and the elastic clamping block 72 of the locking section 721 is located in the card slot 74. When the inner handle 20, the handle 30 or the outer handle 40 is operated to move the drive block 13 from the initial position to the first position, the lock box 71 moves relative to the latch pin 73 with the pull rod 50, but the latch pin 73 is still in the locking section 721 of the limiting channel and will not disengage; when the handle 30 is operated to continue moving the drive block 13 from the first position to the second position, the lock box 71 moves further downward with the pull rod 50, and the latch pin 73 is now in the unlocking section 722 of the limiting channel. Since the width of the unlocking section 722 is greater than the outer diameter of the card slot 74, the elastic clamping block 72 disengages from the card slot 74 of the latch pin 73, so the secondary lock 70 is in the unlocked state, and the inner door 100 and the outer door 200 can be separated. When the outer door 200 and the inner door 100 are closed and locked, the drive block 13 and the lock box 71 are in the initial position, and the locking section 721 is located at the through-hole. Due to the elasticity of the elastic clamping block 72, although the width of the limiting channel of the locking section 721 is smaller than the outer diameter of the slot 74, the latch 73 can still open the elastic clamping block 72 of the locking section 721 after being inserted into the through-hole, and then insert into the limiting channel. When the slot 74 on the latch 73 reaches the position of the elastic clamping block 72, the opened elastic clamping block 72 returns to its original position and engages with the slot 74, thereby locking the secondary lock 70. As shown in the figure, there are two secondary locks 70, respectively provided at the upper and lower parts of the RV door. Specifically, one end of the tension spring 55 can be fixed to the uppermost lock box 71.

[0073] In some embodiments, as Figure 11As shown, the width of the limiting channel of the locking section 721 gradually decreases toward the unlocking section 722, and a step 723 is provided at the connection with the unlocking section 722. When unlocking, the elastic clamp 72 slides within the locking slot 74 of the latch 73. As the width of the limiting channel of the locking section 721 gradually decreases, the friction between the elastic clamp 72 and the locking slot 74 also increases. When operating the inner handle 20, the handle 30, and the outer handle 40 to move the driving block 13 from the initial position to the first position, the operator will feel the need to gradually increase the force, which improves the operating comfort. When the handle 30 is continued to be pulled to move the driving block 13 from the first position to the second position, the locking slot 74 of the latch 73 passes over the step 723 and disengages the elastic clamp 72, and the friction between the two suddenly disappears. As a result, the handle 30 provides obvious feedback to the operator, allowing the operator to know that the secondary lock 70 has been unlocked, avoiding the operator continuing to pull the handle 30, which may cause damage to the door lock.

[0074] like Figure 10 As shown, to ensure smooth insertion of the latch pin 73 into the locking section 721, in some embodiments, the end of the latch pin 73 facing the lock box 71 is tapered. That is, the outer diameter of the end of the latch pin 73 is smaller than the width of the locking section 721. During insertion, the latch pin 73 can enter the locking section 721, and the tapered structure gradually expands the elastic clamping block 72 of the locking section 721, preventing jamming and ensuring effective engagement between the latch pin 73 and the elastic clamping block 72.

[0075] The present invention also provides a recreational vehicle, which includes the above-mentioned recreational vehicle door lock.

[0076] Although the present disclosure is disclosed as above, the protection scope of the present disclosure is not limited thereto. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present disclosure, and these changes and modifications will fall within the protection scope of this application.

Claims

1. A RV door lock, characterized in that: The door lock is used for locking the inner door (100), the outer door (200) and the door frame (300) of the RV, and comprises A housing (10) mounted on the inner door (100); A driving block (13) is slidably disposed in the housing (10), wherein a sliding path thereof includes at least an initial position, a first position, and a second position; an inner handle (20) rotatably mounted on the housing (10) and located on the inner side of the inner door (100), wherein the inner handle (20) is rotated to move the driving block (13) from the initial position to the first position; a handle (30) rotatably mounted on the housing (10) and located on the inner side of the inner door (100), wherein the handle (30) is rotated to move the driving block (13) from an initial position to a first position and a second position; an outer handle (40) rotatably mounted on the housing (10) and located outside the inner door (100), wherein the outer handle (40) is rotated to move the driving block (13) from an initial position to a first position; A pull rod (50) connected to the driving block (13) and moving synchronously; a main lock (60) connected to the pull rod (50) and used for locking or unlocking the inner door (100) and the door frame (300); when the driving block (13) is in the initial position, the main lock (60) is in a locked state; and when the driving block (13) is in the first position, the main lock (60) is in an unlocked state; A secondary lock (70) is connected to the pull rod (50) and is used to lock or unlock the outer door (200) and the inner door (100). When the drive block (13) is in the initial position and the first position, the secondary lock (70) is in a locked state. When the drive block (13) is in the second position, the secondary lock (70) is in an unlocked state. The main lock (60) comprises a lock pin (62) fixed on the pull rod (50) and a clamping block (61) fixed on the door frame (300), wherein the clamping block (61) is provided with a notch (64) for accommodating the lock pin (62); The bottom of the clamping block (61) has a first guiding inclined surface (63), and the notch (64) is located at the end of the first guiding inclined surface (63); A guide block (53) is fixedly provided on the inner door (100), a second guide slope (65) is provided on the top of the clamping block (61), and a third guide slope (54) is provided on the bottom of the guide block (53). When the inner door (100) is closed, the third guide slope (54) cooperates with the second guide slope (65).

2. The RV door lock according to claim 1, characterized in that: It also includes a safety mechanism (80) provided on the housing (10), wherein the safety mechanism (80) limits the position of the handle (30) to prevent the handle (30) from rotating relative to the housing (10).

3. The RV door lock according to claim 2, characterized in that: The safety mechanism (80) includes an operating portion (81) rotatably arranged on the shell (10), the operating portion (81) extends a limiting portion (82) toward one side of the handle (30), and the handle (30) extends a limiting end (31) at one end close to the safety mechanism (80), the limiting portion (82) contacts the limiting end (31) to prevent the handle (30) from rotating relative to the shell (10), and the limiting portion (82) disengages from the limiting end (31) to enable the handle (30) to rotate relative to the shell (10).

4. The RV door lock according to claim 1 or 2, characterized in that: It also includes a lock core (90), which prevents the drive block (13) from moving relative to the housing (10) when the lock core (90) is in a locked position.

5. The RV door lock according to claim 4, characterized in that: The lock core (90) has a lock hole (91) and a knob (92), wherein the lock hole (91) is exposed to the outside of the inner door (100), and a key is inserted into the lock hole (91) to put the lock core (90) in a locked position or an unlocked position; the knob (92) is located on the inside of the inner door (100), and turning the knob (92) puts the lock core (90) in a locked position or an unlocked position.

6. The RV door lock according to claim 5, characterized in that: The inner walls on both sides of the driving block (13) have flanges (131) extending toward the center, and the flanges (131) are provided with locking notches (132) matching the outer diameter of the lock core (90). The lock core (90) has a clearance groove (93) corresponding to the flange (131) on the outside. When the clearance groove (93) is staggered with the locking notch (132), the lock core (90) is in a locked position, and when the clearance groove (93) corresponds to the locking notch (132), the lock core (90) is in an unlocked position.

7. The RV door lock according to claim 6, characterized in that: A through hole (210) is provided at a position corresponding to the outer door (200) and the shell (10), a reset element (42) is provided between the outer handle (40) and the shell (10), and the outer portion of the lock core (90) also has a limiting groove (94), and a limiting block (41) extends from one end of the outer handle (40) close to the lock core (90); when the lock core (90) is in a locked position, the limiting block (41) is located in the limiting groove (94), and the reset element (42) makes the outer handle (40) hidden in the through hole (210); when the lock core (90) is in an unlocked position, the limiting block (41) is disengaged from the limiting groove (94), the outer handle (40) exposes the through hole (210), and the outer handle (40) can rotate relative to the shell (10).

8. The RV door lock according to claim 1 or 2, characterized in that: The secondary lock (70) includes a latch (73) fixed on the outer door (200) and a lock box (71) fixed on the pull rod (50), wherein the latch (73) is provided with a slot (74), and a pair of elastic clamping blocks (72) arranged opposite to each other are provided in the lock box (71), wherein the gap between the pair of elastic clamping blocks (72) forms a limiting channel, and the limiting channel includes a locking section (721) and an unlocking section (722), wherein the width of the locking section (721) is less than The outer diameter of the slot (74) and the width of the unlocking section (722) are greater than the outer diameter of the slot (74); when the drive block (13) is in the initial position and the first position, the latch (73) is located in the locking section (721), and the elastic clamping block (72) is located in the slot (74); when the drive block (13) is in the second position, the latch (73) is located in the unlocking section (722), and the elastic clamping block (72) is disengaged from the slot (74).

9. The RV door lock according to claim 8, characterized in that: The width of the limiting channel of the locking section (721) gradually decreases in the direction toward the unlocking section (722), and a step (723) is provided at the connection with the unlocking section (722).

10. The RV door lock according to claim 8, characterized in that: One end of the latch (73) facing the lock box (71) is tapered.

11. The RV door lock according to claim 1 or 2, characterized in that: The rotation axes of the handle (30) and the outer handle (40) are parallel to the width direction of the inner door (100), and the rotation axis of the inner handle (20) is parallel to the thickness direction of the inner door (100). The outer handle (40), the inner handle (20) and the handle (30) are all provided with swing arms (32), and the driving block (13) is driven to slide through the corresponding swing arms (32).

12. The RV door lock according to claim 11, characterized in that: The outer handle (40), the inner handle (20), the swing arm (32) of the pull handle (30) and the driving block (13) are in rolling friction contact via the roller (33).

13. A recreational vehicle, characterized in that: Including the RV door lock according to any one of claims 1 to 12.

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