CN215487041U - Ball type quick detach axle with safety lock - Google Patents
Ball type quick detach axle with safety lock Download PDFInfo
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- CN215487041U CN215487041U CN202121198787.9U CN202121198787U CN215487041U CN 215487041 U CN215487041 U CN 215487041U CN 202121198787 U CN202121198787 U CN 202121198787U CN 215487041 U CN215487041 U CN 215487041U
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Abstract
The utility model provides a ball type quick-release shaft with a safety lock, which comprises: the locking assembly comprises a shaft shell, a moving rod, a ball, a pushing assembly and a locking assembly. The shaft shell is provided with a mounting hole along the axial direction, the shaft shell is provided with an accommodating hole along the radial direction, and the accommodating hole is communicated with the mounting hole. The ball is arranged in the accommodating hole in a movable mode, the moving rod is arranged in the mounting hole in a movable mode, and the moving rod can move axially relative to the shaft shell to drive the ball to move along the radial direction of the shaft shell. The ball moves to be completely accommodated in the accommodating hole, the quick-release shaft can be disassembled to be assembled with an external assembly, the ball moves to be outside the shaft shell, the quick-release shaft can be assembled and buckled to be fixed with the external assembly, and the locking assembly can prevent the pushing assembly from moving and simultaneously locking the pushing assembly on the shaft shell after buckling, so that the ball is prevented from entering a disengaging state and being locked at a buckling position.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to the technical field of mechanical connection, in particular to a ball type quick-release shaft with a safety lock.
[ background of the utility model ]
The quick-release shaft is used for connecting two or more detachable components and is widely applied to products such as wheelchairs, bicycle trailers and the like. The existing quick-release shaft can be installed and detached without any tool, but cannot be locked after being installed, so that the existing quick-release shaft is easy to accidentally loosen and fall off, and potential safety hazards exist.
[ Utility model ] content
In order to solve the above technical problems, embodiments of the present invention provide a quick release shaft, which can be locked and prevented from being released after being installed.
The embodiment of the utility model adopts the following technical scheme for solving the technical problems:
provided is a ball type quick release shaft with a safety lock, comprising:
the shaft shell is provided with an installation hole along the axial direction, and an accommodating hole along the radial direction and communicated with the installation hole;
the adjusting piece is arranged on the outer wall of the shaft shell;
the ball is arranged in the accommodating hole movably;
the moving rod is movably arranged in the mounting hole, the outer wall of the moving rod is abutted against the ball, and the moving rod can move along the axial direction of the shaft shell and drive the ball to move along the radial direction in the accommodating hole until the ball is completely accommodated in the accommodating hole or partially arranged outside the shaft shell;
the pushing assembly is connected to the moving rod and is used for driving the moving rod to move;
the locking assembly is connected to the pushing assembly and the moving rod respectively, the locking assembly is movably arranged outside the moving rod, and the locking assembly is used for preventing the pushing assembly and the pushing assembly from moving and locking the balls to be partially arranged outside the shaft shell.
Optionally, the moving rod includes a first moving rod portion and a second moving rod portion connected to each other, the first moving rod portion is disposed at an end of the second moving rod portion away from the pushing assembly, the mounting hole includes a second mounting hole, and a diameter of the first moving rod portion is larger than a diameter of the second mounting hole;
when the movable rod moves to a first position, the first movable rod part corresponds to the position of the accommodating hole, and the outer wall of the first movable rod part abuts against the ball, so that the ball part is arranged outside the shaft shell;
when the movable rod moves to the second position, the second movable rod part corresponds to the position of the accommodating hole, and the outer wall of the second movable rod part is abutted to the ball, so that the ball is completely arranged in the accommodating hole.
Optionally, the mounting hole further includes a first mounting hole, the first mounting hole and the second mounting hole are sequentially communicated, and the accommodating hole is communicated with the first mounting hole;
the inner diameter of the first mounting hole is larger than that of the second mounting hole, and a first step surface is formed between the first mounting hole and the second mounting hole;
when the movable rod moves to the first position, the first movable rod part is arranged in the first mounting hole and is abutted against the first step surface, and the second movable rod part is arranged in the second mounting hole;
when the movable rod moves to the second position, one end, facing the first movable rod part, of the second movable rod part is arranged in the first mounting hole.
Optionally, the mounting hole further includes a third mounting hole, and the third mounting hole is communicated with one end of the second mounting hole, which is away from the first mounting hole;
the moving rod further comprises a third moving rod part, the third moving rod part is arranged at one end, away from the first moving rod part, of the second moving rod part, and the third moving rod part is provided with an external thread;
the pushing assembly is arranged in the third mounting hole and connected with the external thread of the third movable rod part.
Optionally, the inner diameter of the third mounting hole is larger than that of the second mounting hole, and a second step surface is formed between the third mounting hole and the second mounting hole;
the pushing assembly comprises a button and a first elastic piece, the button is connected to the third moving rod part, the first elastic piece is sleeved on the third moving rod part, and two ends of the first elastic piece are respectively abutted against the button and the second step surface;
the button is used for driving the movable rod to move relative to the shaft shell, and the first elastic piece is used for driving the movable rod to reset.
Optionally, the locking assembly includes a locking cover and a second elastic member, the locking cover is sleeved on the button, and the second elastic member is respectively connected to the locking cover and the adjusting member;
the lock cover is used for being in locking fit with the button, and the second elastic piece is used for applying elastic force to the lock cover to press the button.
Optionally, a first accommodating hole, a connecting hole and a second accommodating hole are formed in the lock cover in sequence, the first accommodating hole is formed in one end, facing the moving rod, of the lock cover, and the second accommodating hole is formed in the other end of the lock cover;
the inner diameters of the first accommodating hole and the second accommodating hole are respectively larger than that of the connecting hole, so that a convex ring is formed on the inner wall of the lock cover, and one end of the second elastic piece is arranged in the first accommodating hole and abutted against the convex ring;
the button penetrates through the connecting hole and the first accommodating hole from the second accommodating hole in sequence.
Optionally, a slot is arranged on the wall of the second accommodating hole, and the button is provided with a matched clamping block;
the locking cover can rotate relative to the button until the position of the clamping block is aligned with the position of the insertion groove, so that the button can drive the moving rod to move along the axial direction of the shaft shell.
Optionally, at least one stopper is arranged on the wall of the second accommodating hole, and at least one slot is formed between the at least one stopper;
the lock cover can rotate relative to the button until the position of the block is not aligned with the position of the slot, and the second elastic piece drives the block to abut against the block, so that the movable rod is fixed along the axial direction of the shaft shell.
Optionally, an end of the shaft housing facing the locking assembly is provided with an external thread, and the adjusting member is connected with the external thread of the shaft housing.
Compared with the prior art, in the embodiment of the utility model, the moving rod moves axially relative to the shaft shell to drive the ball to move along the radial direction of the shaft shell, the ball can be disassembled from the quick-release shaft to be assembled with an external assembly when being completely accommodated in the accommodating hole, the ball can be assembled on the quick-release shaft when moving out of the shaft shell to be fixed with the external assembly, and the pushing assembly can be locked on the shaft shell by the locking assembly after being assembled, so that the ball is locked at the assembling and buckling position.
[ description of the drawings ]
One or more embodiments are illustrated in drawings corresponding to, and not limiting to, the embodiments, in which elements having the same reference number designation may be represented as similar elements, unless specifically noted, the drawings in the figures are not to scale.
FIG. 1 is a schematic structural view of a ball-type quick release shaft with a safety lock according to an embodiment of the present invention;
FIG. 2 is an exploded view of the ball-type quick release shaft of FIG. 1 with a safety lock;
FIG. 3 is a cross-sectional view of the axle housing of the ball-type quick release axle shown in FIG. 1 with a safety lock;
FIG. 4 is a schematic view of a push rod of the ball-type quick release shaft with a safety lock shown in FIG. 1;
FIG. 5 is a cross-sectional view of the ball-type quick release shaft shown in FIG. 1 with a safety lock;
FIG. 6 is a schematic view of a button of the ball-type quick release shaft with a safety lock shown in FIG. 1;
FIG. 7 is a cross-sectional view of the lock cover of the ball-type quick release shaft with the safety lock shown in FIG. 1;
FIG. 8 is a cross-sectional view of the ball-type quick release shaft with safety lock shown in FIG. 1 in an disassembled state;
FIG. 9 is a cross-sectional view of the ball-type quick release shaft with safety lock shown in FIG. 1 in a fastened state.
[ detailed description ] embodiments
In order to facilitate an understanding of the utility model, the utility model is described in more detail below with reference to the accompanying drawings and specific examples. It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is said to be "connected" 60 to another element, it can be directly connected to the other element or intervening elements may be present. The terms "vertical," "horizontal," "left," "right," "inner," "outer," and the like as used herein are for descriptive purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Furthermore, the technical features mentioned in the different embodiments of the utility model described below can be combined with each other as long as they do not conflict with each other.
Referring to fig. 1 and 2 together, an embodiment of the utility model provides a ball-type quick release shaft 100 with a safety lock, including: a shaft housing 10, a travel bar 20, a ball 30, a pushing assembly, a locking assembly, and an adjustment member 80. The moving rod 20, the balls 30, and the pushing assembly are respectively disposed in the shaft housing 10, the pushing assembly is configured to drive the moving rod 20 to move relative to the shaft housing 10, and the moving rod 20 is configured to drive the balls 30 to move in the receiving hole 14 of the shaft housing 10. The adjusting member 80 is disposed on the outer wall of the axle housing 10, the locking assembly is respectively connected to the adjusting member 80 and the pushing assembly, and the locking assembly is used for locking the pushing assembly to the axle housing 10. Wherein the push assembly comprises a push button 40 and a first elastic member 50, and the locking assembly comprises a locking cap 60 and a second elastic member 70.
Referring to fig. 3, the shaft housing 10 is a hollow rod, and a mounting hole is formed in the shaft housing 10 and is axially disposed along the shaft housing 10, and the mounting hole extends from one end of the shaft housing 10 to the other end thereof. The mounting hole is the shoulder hole, the mounting hole is including the first mounting hole 11, second mounting hole 12 and the third mounting hole 13 that communicate in proper order. The inner diameter of the first mounting hole 11 is larger than that of the second mounting hole 12, and a first step surface is formed between the first mounting hole 11 and the second mounting hole 12. The inner diameter of the third mounting hole 13 is larger than that of the second mounting hole 12, and a second step surface is formed between the third mounting hole 13 and the second mounting hole 12. The moving rod 20 extends from the first mounting hole 11 to the third mounting hole 13, and the button 40 and the first elastic member 50 are respectively mounted in the third mounting hole 13.
The shaft housing 10 is further provided with a receiving hole 14, and the receiving hole 14 is arranged along the radial direction of the shaft housing 10. The receiving hole 14 extends from the outer wall of the shaft housing 10 to communicate with the first mounting hole 11, and the receiving hole 14 is disposed on a side of the first mounting hole 11 close to the second mounting hole 12. The number of the receiving holes 14 is at least one, and at least one receiving hole 14 is distributed at intervals along the circumference of the shaft housing 10. In the present embodiment, the number of the receiving holes 14 is two, and the two receiving holes 14 are symmetrically arranged along the radial direction of the shaft housing 10, and the two receiving holes 14 are respectively communicated with the first mounting hole 11.
Referring to fig. 4 and 5, the moving rod 20 is movably installed in the installation hole of the axle housing 10, and the moving rod 20 is movable between a first position and a second position along the axial direction of the axle housing 10. The moving rod 20 comprises a first moving rod part 21, a second moving rod part 22 and a third moving rod part 23 which are connected, and the third moving rod part 23 is connected with the pushing assembly. The first moving rod 21 is arranged in the first mounting hole 11, the diameter of the first moving rod 21 is smaller than the inner diameter of the first mounting hole 11, and the diameter of the first moving rod 21 is larger than the diameter of the second mounting hole 12. The diameters of the second movable rod portion 22 and the third movable rod portion 23 are not larger than the inner diameter of the second mounting hole 12, and an end of the second movable rod portion 22 facing the first movable rod portion 21 is movable between the first mounting hole 11 and the second mounting hole 12. One end of the third moving lever portion 23 facing the second moving lever portion 22 is movable between the second mounting hole 12 and the third mounting hole 13, and the other end of the third moving lever portion 23 extends to the third mounting hole 13.
When the moving rod 20 moves to the first position, the first moving rod part 21 abuts against the first step surface, and one end of the second moving rod part 22 facing the first moving rod part 21 is located in the second mounting hole 12; when the moving rod 20 moves to the second position, the second moving rod 20 moves into the first mounting hole 11, and the position of the second moving rod 20 corresponds to the position of the receiving hole 14.
The balls 30 are spherical, the balls 30 are movably arranged in the accommodating holes 14, the balls 30 abut against the moving rod 20, and the moving rod 20 can drive the balls 30 to move along the radial direction of the shaft shell 10. When the moving rod 20 moves to the first position, the outer wall of the first moving rod part 21 abuts against the ball 30, and the ball 30 moves along the radial direction of the shaft housing 10 to partially protrude out of the outer wall of the shaft housing 10; when the movable rod 20 moves to the second position, the ball 30 abuts against the outer wall of the second movable rod 22, so that the ball 30 falls back to be completely located in the receiving hole 14. The diameter of the end of the receiving hole 14 facing the outer wall of the shaft housing 10 is slightly smaller than the diameter of the ball 30, so as to prevent the ball 30 from falling off from the receiving hole 14. The number of the balls 30 is the same as the number of the receiving holes 14, and each of the balls 30 is disposed in a corresponding one of the receiving holes 14.
In some embodiments, a circular arc transition is provided at the junction of the first movable rod part 21 and the second movable rod part 22, so that the ball 30 slides between the first movable rod part 21 and the second movable rod part 22.
Referring to fig. 5 and 6, the button 40 and the first elastic element 50 are respectively disposed at an end of the axle housing 10 away from the ball 30, and the button 40 and the first elastic element 50 are respectively connected to the push rod 20. The button 40 is connected to the third movable rod 23, and an external force is applied to the button 40 to push the movable rod 20 to move relative to the shaft housing 10. The first elastic member 50 is connected between the button 40 and the axle housing 10, and the first elastic member 50 can apply an elastic force to the button 40 to drive the movable rod 20 to return.
The button 40 is movably disposed in the third mounting hole 13, and the button 40 includes a connecting portion 41 and a pushing portion 42. One end of the connecting portion 41 facing the moving rod 20 is disposed in the third mounting hole 13, and the other end of the connecting portion 41 extends to the outside of the shaft housing 10 and is connected to the pushing portion 42. The third movable rod part 23 is provided with an external thread at one end deviating from the second movable rod part 22, the connecting part 41 is deviated from the threaded hole of the adaptation at one end of the pushing part 42, and the connecting part 41 is connected with the external thread of the third movable rod part 23 through the threaded hole. It is understood that in some other embodiments, other connecting means, such as riveting, pinning, adhering, etc., may be provided between the button 40 and the moving rod 20, which is not limited herein.
The pushing portion 42 is disposed outside the axle housing 10, the diameter of the pushing portion 42 is larger than that of the connecting portion 41, and a shoulder is formed between the pushing portion 42 and the connecting portion 41. The pushing portion 42 is further provided with a latch 43, the latch 43 extends from the pushing portion 42 along the radial direction of the button 40, and the latch 43 is used for cooperating with the locking assembly. The number of the latch 43 is at least one, and at least one latch 43 is distributed at intervals along the circumference of the pushing part 414. In the present embodiment, the number of the latch 43 is exemplified by two, and the two latch 43 are symmetrically arranged along the radial direction of the pushing portion 42.
The first elastic member 50 is disposed in the third mounting hole 13, the first elastic member 50 is sleeved on the third moving rod portion 23, one end of the first elastic member 50 abuts against the connecting portion 41 of the button 40, and the other end of the first elastic member 50 abuts against the second step surface. When the ball-type quick release shaft with safety lock 100 is in a fastened state, the first elastic element 50 can apply an elastic force to the button 40, so that the button 40 moves in a direction away from the moving rod 20, and the button 40 drives the moving rod 20 to move to a first position; when the ball-type quick release shaft 100 with the safety lock needs to be disassembled, an external force is applied to the button 40, so that the button 40 moves towards the direction of the moving rod 20, the first elastic member 50 is compressed, and the button 40 drives the moving rod 20 to move to the second position.
Referring to fig. 5 and 7, the locking assembly includes a locking cap 60 and a second elastic member 70, the locking cap 60 is sleeved on the button 40, and the locking cap 60 is used for locking and matching with the button 40. The second elastic member 70 is connected to the locking cap 60 and the shaft housing 10, respectively, and the second elastic member 70 may apply an elastic force to the locking cap 60 to press the button 40.
The lock cover 60 is hollow, a first accommodating hole 61, a connecting hole 62 and a second accommodating hole 63 are sequentially connected in the lock cover 60, the first accommodating hole 61 is formed in one end, facing the moving rod 21, of the lock cover 60, the second accommodating hole 63 is formed in the other end of the lock cover 60, and the connecting hole 62 is respectively communicated with the first accommodating hole 61 and the second accommodating hole 63. The inner diameters of the first receiving hole 61 and the second receiving hole 63 are respectively larger than the inner diameter of the connecting hole 62, so that the inner wall of the lock cover 60 forms a convex ring 64.
Two stoppers 65 are arranged on the wall of the second accommodating hole 63 at intervals, and the stoppers 65 extend from the convex ring 64 toward the direction away from the moving rod 20. Two slots 66 are arranged between the two stoppers 65, the shape of each slot 66 is matched with the shape of the corresponding fixture block 43, and the position of each slot 66 corresponds to the position of one fixture block 43. The length of the slot 66 is equal to or slightly less than the stroke length of the moving rod 20, the length of the slot 66 is the extension length of the stop 65, and the stroke length of the moving rod 20 is the distance between the first position and the second position. It can be understood that the number of the stoppers 65 can be increased or decreased according to actual requirements, for example, the number is one, three, four, etc., and only needs to be at least one, at least one of the stoppers 65 is distributed along the circumference of the cavity wall of the second receiving hole 63, and at least one slot 66 is formed between at least one of the stoppers 65.
When the push button 40 is mounted to the lock cover 60, the pushing portion 42 is disposed in the second receiving hole 63, and the connecting portion 41 sequentially passes through the connecting hole 62 and the first receiving hole 61. The pushing portion 42 can rotate around its axis relative to the lock cover 60 until the latch 43 corresponds to the slot 66, so that the latch 43 can move into the slot 66.
One end of the second elastic member 70 is connected to the shaft housing 10, the other end of the second elastic member 70 is disposed in the first receiving hole 61, and the other end of the second elastic member 70 abuts against the protruding ring 64. The second elastic member 70 may apply an elastic force to the locking cap 60 to move the locking cap 60 in a direction away from the moving bar 20.
Referring back to fig. 2 and 3, the adjusting member 80 is disposed outside the shaft housing 10. In this embodiment, the adjusting member 80 is a lock nut, the shaft housing 10 faces the locking assembly, and an external thread 15 is disposed at one end of the locking assembly, the adjusting member 80 is sleeved on the shaft housing 10 and is matched with the external thread 15, and the adjusting member 80 is rotated to enable the adjusting member 80 to move along the axis of the shaft housing 10, so that the effective length of the ball type quick release shaft 100 with the safety lock can be adjusted. One end of the second elastic member 70 departing from the locking cap 60 may be sleeved outside the shaft housing 10, and one end of the second elastic member 70 departing from the locking cap 60 may abut against the adjusting member 80.
Referring to fig. 8 and 9 together, the operation principle of the ball-type quick release shaft with safety lock 100 will be briefly described with reference to the accompanying drawings:
rotating the pushing portion 42 of the button 40 to align the latch 43 with the slot 66, the second elastic member 70 pushing the lock cover 60 to move in a direction away from the axle housing 10 to move the latch 43 into the slot 66, applying an external force to push the pushing portion 42 of the button 40 to compress the first elastic member 50 to deform, the connecting portion 41 pushing the moving rod 20 to move to the second position, the second moving rod 22 moving to a position corresponding to the receiving hole 14, the ball 30 falling back along the outer wall of the second moving rod 22 into the receiving hole 14, so that the ball-type quick release axle 100 with the safety lock is adjusted to an disassembled state (as shown in fig. 8), and the ball-type quick release axle 100 with the safety lock can be installed on an external connecting axle;
after the quick-release shaft 100 is installed at a preset position, the external force is removed to restore the deformation of the first elastic member 50, the first elastic member 50 drives the button 40 to move in a direction away from the moving rod 20, the button 40 drives the moving rod 20 to move to a first position, the first moving rod 21 moves to a position corresponding to the receiving hole 14, the ball 30 moves to a part protruding out of the outer wall of the shaft housing 10 along the outer wall of the first moving rod 21, so that the ball type quick-release shaft 100 with the safety lock is adjusted to a buckling state (as shown in fig. 9), and the button 40 and the lock cover 60 are in an unlocking state;
applying an external force to the locking cap 60 to compress and deform the second elastic member 70, moving the locking cap 60 toward the moving rod 20 to completely withdraw the latch 43 from the slot 66, rotating the locking cap 60 to misalign the latch 43 with the slot 66, and pressing the latch 65 against the latch 43 by the second elastic member 70 to lock the button 40 and the locking cap 60;
when the quick coupling 100 is not correctly installed at the predetermined position, it is obstructed from the outside, the ball 30 does not return to the fastening state after the external force is removed, the movable rod 20 cannot return to the first position, and the button 40 and the locking cover 60 cannot rotate relatively to each other to the locking state.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; within the idea of the utility model, also technical features in the above embodiments or in different embodiments may be combined, steps may be implemented in any order, and there are many other variations of the different aspects of the utility model as described above, which are not provided in detail for the sake of brevity; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A ball type quick release shaft with a safety lock is characterized by comprising:
the shaft shell is provided with an installation hole along the axial direction, and an accommodating hole along the radial direction and communicated with the installation hole;
the adjusting piece is arranged on the outer wall of the shaft shell;
the ball is arranged in the accommodating hole movably;
the moving rod is movably arranged in the mounting hole, the outer wall of the moving rod is abutted against the ball, and the moving rod can move along the axial direction of the shaft shell and drive the ball to move along the radial direction in the accommodating hole until the ball is completely accommodated in the accommodating hole or partially arranged outside the shaft shell;
the pushing assembly is connected to the moving rod and is used for driving the moving rod to move;
the locking assembly is connected to the pushing assembly and the moving rod respectively, the locking assembly is movably arranged outside the moving rod, and the locking assembly is used for preventing the pushing assembly and the pushing assembly from moving and locking the balls to be partially arranged outside the shaft shell.
2. The ball type quick release shaft with the safety lock according to claim 1, wherein the movable rod comprises a first movable rod part and a second movable rod part which are connected, the first movable rod part is arranged at one end of the second movable rod part, which is far away from the pushing assembly, the mounting hole comprises a second mounting hole, and the diameter of the first movable rod part is larger than that of the second mounting hole;
when the movable rod moves to a first position, the first movable rod part corresponds to the position of the accommodating hole, and the outer wall of the first movable rod part abuts against the ball, so that the ball part is arranged outside the shaft shell;
when the movable rod moves to the second position, the second movable rod part corresponds to the position of the accommodating hole, and the outer wall of the second movable rod part is abutted to the ball, so that the ball is completely arranged in the accommodating hole.
3. The ball type quick release shaft with the safety lock as claimed in claim 2, wherein the mounting hole further comprises a first mounting hole, the first mounting hole and the second mounting hole are sequentially communicated, and the accommodating hole is communicated with the first mounting hole;
the inner diameter of the first mounting hole is larger than that of the second mounting hole, and a first step surface is formed between the first mounting hole and the second mounting hole;
when the movable rod moves to the first position, the first movable rod part is arranged in the first mounting hole and is abutted against the first step surface, and the second movable rod part is arranged in the second mounting hole;
when the movable rod moves to the second position, one end, facing the first movable rod part, of the second movable rod part is arranged in the first mounting hole.
4. The ball-type quick release shaft with the safety lock according to claim 3, wherein the mounting hole further comprises a third mounting hole, and the third mounting hole is communicated with one end, away from the first mounting hole, of the second mounting hole;
the moving rod further comprises a third moving rod part, the third moving rod part is arranged at one end, away from the first moving rod part, of the second moving rod part, and the third moving rod part is provided with an external thread;
the pushing assembly is arranged in the third mounting hole and connected with the external thread of the third movable rod part.
5. The ball type quick release shaft with the safety lock according to claim 4, wherein the inner diameter of the third mounting hole is larger than that of the second mounting hole, and a second step surface is formed between the third mounting hole and the second mounting hole;
the pushing assembly comprises a button and a first elastic piece, the button is connected to the third moving rod part, the first elastic piece is sleeved on the third moving rod part, and two ends of the first elastic piece are respectively abutted against the button and the second step surface;
the button is used for driving the movable rod to move relative to the shaft shell, and the first elastic piece is used for driving the movable rod to reset.
6. The ball-type quick release shaft with safety lock according to claim 5, wherein the locking assembly comprises a lock cover and a second elastic member, the lock cover is sleeved on the button, and the second elastic member is respectively connected to the lock cover and the adjusting member;
the lock cover is used for being in locking fit with the button, and the second elastic piece is used for applying elastic force to the lock cover to press the button.
7. The ball type quick release shaft with the safety lock according to claim 6, wherein a first accommodating hole, a connecting hole and a second accommodating hole are formed in the lock cover in sequence, the first accommodating hole is formed in one end, facing the moving rod, of the lock cover, and the second accommodating hole is formed in the other end of the lock cover;
the inner diameters of the first accommodating hole and the second accommodating hole are respectively larger than that of the connecting hole, so that a convex ring is formed on the inner wall of the lock cover, and one end of the second elastic piece is arranged in the first accommodating hole and abutted against the convex ring;
the button penetrates through the connecting hole and the first accommodating hole from the second accommodating hole in sequence.
8. The ball type quick release shaft with the safety lock according to claim 7, wherein a slot is arranged on the wall of the second accommodating hole, and the button is provided with a matched clamping block;
the locking cover can rotate relative to the button until the position of the clamping block is aligned with the position of the insertion groove, so that the button can drive the moving rod to move along the axial direction of the shaft shell.
9. The ball type quick release shaft with the safety lock according to claim 8, wherein at least one stopper is arranged on the wall of the second accommodating hole, and at least one slot is formed between the at least one stopper;
the lock cover can rotate relative to the button until the position of the block is not aligned with the position of the slot, and the second elastic piece drives the block to abut against the block, so that the movable rod is fixed along the axial direction of the shaft shell.
10. The ball-type quick release shaft with safety lock according to any one of claims 1 to 9, wherein the end of the shaft housing facing the locking assembly is provided with an external thread, and the adjusting member is connected with the external thread of the shaft housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121198787.9U CN215487041U (en) | 2021-05-31 | 2021-05-31 | Ball type quick detach axle with safety lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121198787.9U CN215487041U (en) | 2021-05-31 | 2021-05-31 | Ball type quick detach axle with safety lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215487041U true CN215487041U (en) | 2022-01-11 |
Family
ID=79781503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121198787.9U Active CN215487041U (en) | 2021-05-31 | 2021-05-31 | Ball type quick detach axle with safety lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215487041U (en) |
-
2021
- 2021-05-31 CN CN202121198787.9U patent/CN215487041U/en active Active
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