Vertical rod folding and locking structure

Abstract

The utility model discloses a vertical rod folding locking structure which comprises a first connector, a second connector and a fixing device, one side of the first connector is hinged to the second connector so that the first connector can swing in a folding mode relative to the second connector, and the fixing device comprises a folding handle, a hook, a self-locking assembly and a connecting rod assembly. When the folding handle is shifted and swings until the self-locking assembly is buckled with the hook, the connecting rod assembly drives the second connector to be tightly pressed on the first connector, and the first connector and the second connector are in a locked state. The folding handle can cover the peripheries of the self-locking component and the hook, so that the service life is effectively prolonged. When the folding handle is manually shifted to swing till the self-locking assembly is buckled with the hook, the connecting rod assembly can drive the second connector and the first connector to be tightly attached together, the locking effect is greatly improved, and the stability and safety in the high-strength riding state are effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a folding handlebar stand technical field of scooter, especially a kind of stand folding locking structure. BACKGROUND

[0002] Traditional electric bicycle, power-assisted vehicle and scooter are mostly provided with support structure extending upward at the head, such as the head tube connected to the front end of the scooter base, which can also be installed at the head of bicycle or electric vehicle, for mounting front fork (for mounting front wheel) and vertical tube integrally connected with front fork, the vertical tube is provided with cantilever extending longitudinally forward, handlebar is transversely installed at the end of cantilever away from vertical tube (cantilever and vertical tube constitute handlebar stand for installing handlebar), so that the rider can drive handlebar stand linkage front fork and front wheel to turn left and right by holding and pulling a pair of handle. To ensure the safety of riding, handlebar stand needs to have locking ability in use, cannot appear the phenomenon of loosening and slipping, so the fixing structure on handlebar stand is particularly important.

[0003] At present, the fixing structure of handlebar stand commonly seen in market is fixed by shaft hole cooperation, limit ridge is arranged on'shaft' to cooperate with sleeve hole to limit effect, finally handlebar stand is fixed by screw outside sleeve hole, such as Chinese utility model patent with patent publication number CN216301365U discloses a new electric bicycle handlebar stand structure, which comprises head tube and vertical tube passing through the top of head tube; limit connection structure is arranged on the passing-through end of vertical tube; handlebar stand is annularly sleeved on the limit connection structure; handlebar stand is detachably fixed on limit connection structure; handlebar stand is detachably fixed and installed on vertical tube clamp. However, the existing electric bicycle handlebar stand structure has the problems that the screw for locking is exposed outside, which is prone to aging and rusting, and the screw aging will directly affect the locking ability of structure, so that the stability of entire handlebar stand structure is affected, even the phenomenon of structure loosening and slipping occurs, and the durability is poor.

[0004] Another common handlebar stand fixing structure is to realize fixing effect by a hoop that can clamp handlebar stand, and it is also provided with device that can adjust the tightness of hoop by swinging, such as Chinese utility model patent with patent publication number CN218172447U discloses an electric bicycle handlebar stand structure and electric vehicle, which comprises handlebar stand pipe, quick release fixedly connected to the upper end of handlebar stand pipe, and the upper end of handlebar stand pipe is provided with fastening gap. However, the existing handlebar stand structure mainly relies on a hoop structure to realize clamping and fixing, and the strength is poor, which is prone to shaking under high-intensity riding state, affecting the safety of user riding.

[0005] Therefore, the present inventors propose the following technical solutions. SUMMARY

[0006] The utility model discloses a stand rod folding locking structure which overcomes the defects of the prior art.

[0007] In order to solve the above technical problems, the utility model adopts the following technical scheme: a stand rod folding locking structure, comprising: a first joint, a second joint and a fixing device for locking the first joint and the second joint, wherein the first joint is hinged to the second joint on one side, so that the first joint can be folded and swung relative to the second joint; the fixing device comprises a folding handle swingably arranged on the first joint, a hook arranged on the second joint, a self-locking assembly arranged on the folding handle and used for cooperating with the hook to lock, and a connecting rod assembly arranged between the folding handle and the second joint; when the folding handle is actuated and swung to the self-locking assembly and the hook is buckled, the connecting rod assembly drives the second joint to press tightly on the first joint, so that the first joint and the second joint are in a locked state.

[0008] Further, in the above technical scheme, the end of the folding handle is extended to form a actuating protrusion for actuating by the human hand, a sliding hole is formed in the folding handle, the self-locking assembly comprises a locking slider slidably arranged in the sliding hole and used for buckling with the hook, an unlocking push block arranged on the locking slider and used for pushing by the human hand, a spring arranged in the sliding hole and used for pushing the locking slider downward, and a second screw for fixing the unlocking push block on the locking slider.

[0009] Further, in the above technical scheme, the lower end of the locking slider is protruded to form a locking tooth part for buckling with the hook; a protruding part is protruded on the locking slider and passes through the sliding hole and cooperates with the unlocking push block, and correspondingly, a recess part is formed in the unlocking push block; a spring positioning groove is formed in the upper end of the locking slider for axially limiting the spring, one end of the spring is pushed against the hole wall of the sliding hole, and the other end of the spring is pushed against the upper end face of the protruding part.

[0010] Further, in the above technical scheme, the unlocking push block is formed with a pushing inclined part for pushing by the human hand; a first through hole is formed in the unlocking push block, and correspondingly, a third threaded hole is formed in the locking slider, the second screw passes through the first through hole and is screw-installed in the third threaded hole, so that the unlocking push block is fixed on the locking slider.

[0011] Further, in the above technical scheme, the connecting rod assembly comprises a handle pressing shaft arranged on the folding handle, a joint pressing shaft arranged on the second joint, and an adjusting screw rod.

[0012] Further in the technical scheme, the first mounting hole and the second mounting hole are formed on the folding handle, the size of the first mounting hole is larger than the size of the second mounting hole, one end of the handle pressing shaft is protruded and formed with a rotating part for being inserted into the second mounting hole, the fifth threaded hole is formed on the rotating part, the size of the rotating part is smaller than the size of the second mounting hole, so that the handle pressing shaft can be rotated circumferentially, the rotating part passes through the first mounting hole and is inserted into the second mounting hole, the fifth screw passes through the second mounting hole and is screw-fixed in the fifth threaded hole, so as to prevent the handle pressing shaft from being pulled out of the folding handle.

[0013] Further in the technical scheme, the third mounting hole and the fourth mounting hole are formed on the hook arm, and the joint pressing shaft is inserted into the third mounting hole and the fourth mounting hole.

[0014] Further in the technical scheme, the first threaded hole is longitudinally formed on the handle pressing shaft, the second through hole is formed on the joint pressing shaft, one end of the adjusting screw is screw-fixed in the first threaded hole, the other end of the adjusting screw is locked and fixed on the joint pressing shaft by the first screw, the joint pressing shaft is formed with the butt joint groove at the second through hole for abutting with the adjusting screw, and the hexagonal edge of the adjusting screw is convenient for being twisted and adjusted.

[0015] Further in the technical scheme, the limiting clamping part is protruded and formed on the first joint for limiting the second joint, and the blocking part is correspondingly formed on the second joint.

[0016] Further in the technical scheme, the hook arm is fixed on the second joint, the hook is located at the end of the hook arm, and the cross section of the hook arm is in U shape.

[0017] After the above technical scheme is adopted, the utility model has the following beneficial effects compared with the prior art: in the utility model, the fixing device is locked by cooperating with the hook on the second joint through the self-locking assembly, after being locked, the folding handle is half-enclosed on the periphery of the self-locking assembly and the hook, which can effectively slow down the aging, rust and other phenomena, effectively prolong the service life, and is suitable for popularization and application to various stand rod folding locking structures. In addition, compared with the prior art, when the folding handle is manually twisted and swung to the self-locking assembly and the hook, the connecting rod assembly generates a downward pressure on the second joint, drives the second joint to tightly adhere to and together with the first joint, greatly improves the locking effect, and the self-locking assembly is not affected by external force, and a certain force needs to be applied to the unlocking slider to slide to complete unlocking, which effectively improves the stability and safety in the high-intensity riding state. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a schematic diagram of the unlocking state of the utility model;

[0019] Figure 2 is a schematic diagram of the locking state of the utility model;

[0020] Figure 3 is a schematic diagram of the unlocking of the self-locking assembly in the utility model;

[0021] Figure 4 is a schematic diagram of the disassembled state of the utility model;

[0022] Figure 5 is a schematic diagram of the disassembled state of the self-locking assembly in the utility model;

[0023] Figure 6 is a schematic diagram of the disassembled state of the connecting rod assembly in the utility model;

[0024] Figure 7 is a schematic diagram of the structure of the hook arm in the utility model. DETAILED DESCRIPTION

[0025] The utility model will be further described below in combination with specific embodiments and the drawings.

[0026] seen Figures 1 to 7 , it is a kind of vertical rod folding locking structure, it includes: first joint 1, second joint 2 and the fixing device 3 for locking the first joint 1 and second joint 2, wherein, the first joint 1 side is hinged with second joint 2, so that first joint 1 can be folded swing relative to second joint 2;The fixing device 3 includes the folding handle 31 that can be swing set on the first joint 1, the hook 32 that is set on the second joint 2, the self-locking assembly 33 for being used to cooperate with the locking of the hook 32 and being set on the folding handle 31 and the connecting rod assembly 34 that is set between folding handle 31 and second joint 2;When folding handle 31 is actuated and folding handle 31 is swung to the hook 32 of self-locking assembly 33 and is buckled, connecting rod assembly 34 drives second joint 2 to be tightly pressed on the first joint 1, so that first joint 1 and second joint 2 are in locking state between.

[0027] The utility model discloses, fixed device 3 is through the cooperation locking of self locking assembly 33 with the hook 32 on second joint 2, after locking, folding handle 31 will half enclose cover and enclose in the periphery of self locking assembly 33 and hook 32, can effectively slow down aging, rust phenomenon, effectively prolong the service life, be suitable for popularization and application to various pole folding locking structure.In addition, compared with prior art, when manually dials folding handle 31 swing to the buckle of self locking assembly 33 and hook 32, connecting rod assembly 34 will produce a down pressure to second joint 2, drive second joint 2 and first joint 1 tightly adhere and together, greatly improve the locking effect, and, self locking assembly 33 will not be influenced by external force mistake touch, need to exert certain force to open lock sliding block 332 and make it slide to complete unlocking, effectively improve the stability, security under high strength cycling state.

[0028] Folding handle 31 is hinged on first joint 1 through hinged shaft 100, wherein, folding handle 31 lower end portion is formed with first hinged part 319, and the first joint 1 is formed with second hinged part 120 in correspondence, and hinged shaft 100 respectively passes through first hinged part 319 and second hinged part 120 to realize hinging.

[0029] In the embodiment, in combination with Figure 4 As shown in the figure, self locking assembly 33 is installed on one side of folding handle 31, on the basis of facilitating operator to unlock, reduces the risk of accidental touch, specifically, the folding handle 31 end extension is formed with the easy-to-operate human hand and is dials the dialing wing 318, the folding handle 31 is provided with a sliding hole 310, the self locking assembly 33 includes the locking sliding block 331 that can be slidably arranged in the sliding hole 310 and is used for the buckle with hook 32, the unlocking push block 332 that is installed on the locking sliding block 331 and is used for the human hand and is pushed, the spring 333 that is arranged in the sliding hole 310 and is used for pushing locking sliding block 331 downward and the second screw 334 that is used for fixing unlocking push block 332 on locking sliding block 331.

[0030] The lower end of the locking slider 331 has a protruding locking tooth 3311 for engaging and locking with the hook 32; the locking slider 331 has a protruding protrusion 3312 that passes through the sliding hole 310 and engages with the unlocking push block 332, and correspondingly, the unlocking push block 332 has a groove 3321; the upper end of the locking slider 331 also has a spring positioning groove 3313 for axially limiting the spring 333, one end of the spring 333 pushes against the upper wall of the sliding hole 310, and the other end of the spring 333 pushes against the upper surface of the protrusion 3312. Here, the back of the hook 32 has an arc surface, and correspondingly, the back of the locking teeth 3311 also has an arc surface. When locking is required and the folding handle 31 is pushed upward, the back of the locking teeth 3311 of the locking slider 331 will first contact the back of the hook 32. The arc surfaces pushing against each other will drive the locking slider 331 to move upward, and the spring 333 will be compressed and contracted. Further, when the locking teeth 3311 of the locking slider 331 can engage with the hook 32, the spring 333 will push the locking slider 331 to slide downward and continue to drive the locking slider 331 to lock with the hook 32.

[0031] The unlocking push block 332 has a push angle 3322 formed on it to facilitate pushing by the human hand; the unlocking push block 332 has a first through hole 3324, and correspondingly, the locking slider 331 has a third threaded hole 3314. The second screw 334 passes through the first through hole 3324 and is screwed into the third threaded hole 3314, so that the unlocking push block 332 is fixed on the locking slider 331. Here, in conjunction with Figure 3 As shown, when unlocking is required, the operator needs to manually push the unlocking push block 332 upward to move the locking slider 331 upward until the locking teeth 3311 are completely disengaged from the hook 32. At this time, manually swinging the pry bar 318 downward will cause the connecting rod assembly 34 to drive the second connector 2 to unfold, thus completing the unlocking.

[0032] In this embodiment, combined with Figure 1 , Figure 2 and Figure 4As shown, the pull rod assembly 34 adopts the mode of two horizontal shafts cooperating with a vertical shaft, so that linkage is established between the folding handle 31 and the second joint 2, and a downward pressure can be generated on the second joint 2 in the locked state, so as to drive the second joint 2 to tightly adhere to and together with the first joint 1, thereby greatly improving the locking effect. Specifically, the pull rod assembly 34 comprises a handle pressing shaft 341 arranged on the folding handle 31, a joint pressing shaft 342 arranged on the second joint 2, and an adjusting screw 343. The folding handle 31 is provided with a first mounting hole 311 and a second mounting hole 312, and the size of the first mounting hole 311 is larger than that of the second mounting hole 312. One end of the handle pressing shaft 341 is protrudingly formed with a rotating part 3415 for being inserted into the second mounting hole 312, and the rotating part 3415 is provided with a fifth threaded hole 3416. The size of the rotating part 3415 is smaller than that of the second mounting hole 312, so that the handle pressing shaft 341 can be circumferentially rotated. The rotating part 3415 passes through the first mounting hole 311 and is inserted into the second mounting hole 312, and the fifth screw 50 passes through the second mounting hole 312 and is screw-fixed in the fifth threaded hole 3416, so as to prevent the handle pressing shaft 341 from being separated from the folding handle 31.

[0033] The second joint 2 is fixed with a hook arm 20, the hook 32 is located at the end of the hook arm 20, and the cross-sectional shape of the hook arm 20 is in the shape of a U. The hook arm 20 is provided with a third mounting hole 203 and a fourth mounting hole 204, and the two ends of the joint pressing shaft 342 are respectively inserted into the third mounting hole 203 and the fourth mounting hole 204.

[0034] The handle pressing shaft 341 is longitudinally provided with a first threaded hole 3411, and the joint pressing shaft 342 is provided with a second through hole 3421. One end of the adjusting screw 343 is screw-mounted in the first threaded hole 3411, and the other end of the adjusting screw 343 is locked and fixed on the joint pressing shaft 342 by the first screw 30. The joint pressing shaft 342 is provided with an abutting groove 3420 at the second through hole 3421 for abutting with the adjusting screw 343. The adjusting screw 343 is distributed with a hexagonal edge 3436 for facilitating screw adjustment. Here, the lower end of the adjusting screw 343 is provided with a second threaded hole 3439 for screw connection of the first screw 30.

[0035] The first joint 1 is protrudingly formed with a limiting clamping part 15 for limiting the second joint 2, and correspondingly, the second joint 2 is formed with a blocking part 25. Here, in order to prevent the second joint 2 from swinging excessively during folding, the limiting clamping part 15 is arranged on the first joint 1 to limit the second joint 2.

[0036] In summary, in the utility model, the fixed device 3 cooperates locking through the self locking assembly 33 and the hook 32 on the second joint 2, after locking, the folding handle 31 will half enclose and cover in the periphery of the self locking assembly 33 and the hook 32, can effectively slow down aging, rust phenomenon, effectively prolong the service life, is suitable for promoting application to various vertical rod folding locking structure.In addition, compared with the prior art, in the utility model, when manually driving the folding handle 31 swings to the self locking assembly 33 and the hook 32 are buckled, the connecting rod assembly 34 will produce a down pressure to the second joint 2, drive the second joint 2 and the first joint 1 tightly adhere and together, greatly improve the locking effect, and the self locking assembly 33 will not be affected by the external force mistake touch, need to exert a certain force to the unlocking slider 332 to make it slide to complete unlocking, effectively improve the stability, security under the high strength riding state.

[0037] Of course, the above only for the specific embodiment of the utility model, and not to limit the utility model implementation range, all equivalent changes or modifications made to the structure, features and principles of the utility model application patent range described, should be included in the utility model application patent range.

Claims

1. A vertical rod folding locking structure, characterized in that, The utility model relates to a folding device for folding and locking a first joint (1) and a second joint (2), comprising: a first joint (1), a second joint (2) and a fixing device (3) for locking the first joint (1) and the second joint (2), wherein the first joint (1) is hingedly connected to the second joint (2) on one side, so that the first joint (1) can be folded and swung relative to the second joint (2); the fixing device (3) comprises a folding handle (31) swingably arranged on the first joint (1), a hook (32) arranged on the second joint (2), a self-locking assembly (33) arranged on the folding handle (31) and used for cooperating with the hook (32) to lock, and a connecting rod assembly (34) arranged between the folding handle (31) and the second joint (2); when the folding handle (31) is actuated and swung to the self-locking assembly (33) and the hook (32) are buckled, the connecting rod assembly (34) drives the second joint (2) to press tightly on the first joint (1), so that the first joint (1) and the second joint (2) are in a locked state.

2. The vertical rod folding locking structure according to claim 1, wherein: The end of the folding handle (31) is extended to form a actuating protrusion (318) for facilitating the actuation of the human hand, the folding handle (31) is provided with a sliding hole (310), the self-locking assembly (33) comprises a locking sliding block (331) slidably arranged in the sliding hole (310) and used for buckling with the hook (32), an unlocking push block (332) mounted on the locking sliding block (331) and used for being pushed by the human hand, a spring (333) arranged in the sliding hole (310) and used for pushing the locking sliding block (331) downward, and a second screw (334) used for fixing the unlocking push block (332) on the locking sliding block (331).

3. The vertical rod folding locking structure according to claim 2, wherein: The lower end of the locking sliding block (331) is protrusively formed with a locking tooth portion (3311) for buckling and locking with the hook (32); the locking sliding block (331) is protrusively formed with a protruding portion (3312) penetrating through the sliding hole (310) and matched with the unlocking push block (332), and the unlocking push block (332) is correspondingly provided with a recessed portion (3321); the upper end of the locking sliding block (331) is further provided with a spring positioning groove (3313) for axially limiting the spring (333), one end of the spring (333) is pushed against the hole wall of the sliding hole (310), and the other end of the spring (333) is pushed against the upper end face of the protruding portion (3312).

4. The vertical rod folding locking structure according to claim 3, wherein: The unlocking push block (332) is formed with a pushing inclined portion (3322) for facilitating the pushing of the human hand; the unlocking push block (332) is provided with a first through hole (3324), and the locking sliding block (331) is correspondingly provided with a third threaded hole (3314); the second screw (334) penetrates through the first through hole (3324) and is screw-mounted in the third threaded hole (3314), so that the unlocking push block (332) is fixed on the locking sliding block (331).

5. The vertical rod folding locking structure according to claim 1, wherein: The connecting rod assembly (34) comprises a handle pressing shaft (341) arranged on the folding handle (31), a joint pressing shaft (342) arranged on the second joint (2), and an adjusting screw (343).

6. The stand folding locking structure according to claim 5, wherein: The folding handle (31) is provided with a first mounting hole (311) and a second mounting hole (312), and the size of the first mounting hole (311) is larger than that of the second mounting hole (312); one end of the handle pressing shaft (341) is protrudingly formed with a rotating part (3415) for being inserted into the second mounting hole (312), the rotating part (3415) is provided with a fifth threaded hole (3416), and the size of the rotating part (3415) is smaller than that of the second mounting hole (312), so that the handle pressing shaft (341) can be circumferentially rotated; the rotating part (3415) passes through the first mounting hole (311) and is inserted into the second mounting hole (312), and the fifth screw (50) passes through the second mounting hole (312) and is screw-fixed in the fifth threaded hole (3416), so as to prevent the handle pressing shaft (341) from being pulled out of the folding handle (31).

7. The vertical rod folding locking structure according to claim 1, wherein: The second joint (2) is fixed with a hook arm (20), the hook (32) is located at the end of the hook arm (20), and the cross-sectional shape of the hook arm (20) is U-shaped.

8. The stand folding locking structure according to claim 7, wherein: The hook arm (20) is provided with a third mounting hole (203) and a fourth mounting hole (204), and the joint pressing shaft (342) is inserted into the third mounting hole (203) and the fourth mounting hole (204) respectively.

9. The stand folding locking structure according to claim 5, wherein: The handle pressing shaft (341) is longitudinally provided with a first threaded hole (3411), and the joint pressing shaft (342) is provided with a second threaded hole (3421); one end of the adjusting screw (343) is screw-fixed in the first threaded hole (3411), and the other end of the adjusting screw (343) is locked and fixed on the joint pressing shaft (342) by the first screw (30), wherein the joint pressing shaft (342) is provided with an abutting groove (3420) at the second threaded hole (3421) for abutting with the adjusting screw (343); and the adjusting screw (343) is distributed with a hexagonal edge (3436) for facilitating screw adjustment.

10. The stand folding locking structure according to claim 1, wherein: The first joint (1) is protrudingly formed with a limiting clamping part (15) for limiting the second joint (2), and correspondingly, the second joint (2) is formed with a blocking part (25).

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