CN114403565A

CN114403565A - Alpenstock

Info

Publication number: CN114403565A
Application number: CN202210118765.XA
Authority: CN
Inventors: 项颜欣; 项晓东; 颜琼芳; 郑方圆
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-02-08
Filing date: 2022-02-08
Publication date: 2022-04-29
Anticipated expiration: 2042-02-08
Also published as: CN114403565B

Abstract

The application discloses an alpenstock, which comprises a main rod, a first branch rod and a second branch rod, wherein the main rod is sleeved on the first branch rod in a sliding way, the first branch rod is sleeved on the second branch rod in a sliding way, a synchronizing mechanism is arranged in the main rod, the synchronizing mechanism comprises a synchronizing rod rotatably connected in the main rod, a large reel and a small reel which are sleeved and fixed on the synchronizing rod, the long serving rope on the circumference lateral wall of big reel and second branch is connected respectively at both ends, the short serving rope on the circumference lateral wall of little reel and first branch is connected respectively at both ends, big reel is used for the long serving rope of rolling, little reel is used for the short serving rope of rolling, the diameter of little reel is half of the diameter of big reel, all be provided with locking mechanism on first branch and the second branch, locking mechanism on the first branch is used for restricting the relative mobile jib of first branch and slides, locking mechanism on the second branch is used for restricting the relative first branch removal of second branch. The application has the effect of improving the convenience of using the alpenstock.

Description

Alpenstock

Technical Field

The application relates to the field of outdoor supplies, in particular to an alpenstock.

Background

The alpenstock is an auxiliary instrument used in the mountaineering process, can effectively reduce the knee pressure of a climber, can reduce the risk of falling and provides protection for the climber.

Most alpenstock can be adjusted in length for convenient use and storage, and is divided into a telescopic type and a folding type according to the adjustment mode, wherein the telescopic type alpenstock is the most common three-section type.

In the process of implementing the application, the inventor finds that at least the following problems exist in the technology: when the length of the three or more telescopic alpenstock sections is adjusted, the extending lengths of the supporting rods are required to be adjusted to be consistent, so that the service length of the alpenstock is ensured. Even if scales are marked on all the sections of the supporting rods, the extension length of the sections of the supporting rods is still complex to adjust before use, and needs to be improved.

Disclosure of Invention

In order to improve the convenience of using the alpenstock, the application provides the alpenstock.

The application provides an alpin-stock adopts following technical scheme:

an alpenstock comprises a main rod, a first supporting rod and a second supporting rod, wherein the main rod is sleeved on the first supporting rod in a sliding way, the first branch rod is sleeved on the second branch rod in a sliding manner, a synchronizing mechanism is arranged in the main rod and comprises a synchronizing rod rotationally connected in the main rod, a large reel and a small reel which are sleeved and fixed on the synchronizing rod, a long coiling rope with two ends respectively connected on the circumferential side wall of the large reel and the second branch rod, and a short coiling rope with two ends respectively connected on the circumferential side wall of the small reel and the first branch rod, the large reel is used for winding the long winding rope, the small reel is used for winding the short winding rope, the diameter of the small reel is half of that of the large reel, all be provided with locking mechanism on first branch and the second branch, locking mechanism on the first branch is used for restricting the relative mobile jib of first branch and slides, locking mechanism on the second branch is used for restricting the relative first branch removal of second branch.

Through adopting above-mentioned technical scheme, when adjusting the length of this application alpin-stock, remove earlier the restriction of locking mechanism on the first branch to first branch and the restriction of locking mechanism on the second branch to the second branch on the first branch, then with first branch and second branch down and rotate the synchronizing bar in order to emit long serving and short serving. Because the diameter of big reel is the twice of little reel for the length of the long serving rope that big reel was played is close to the twice of the length of the short serving rope that little reel was played, and under the effect of gravity, first branch and second branch move down, and the distance that the second branch moved down is close to half of first branch, makes the length that first branch stretches out relative the mobile jib almost unanimous with the length that the second branch stretches out relative first branch. And finally, limiting the first supporting rod to slide through a locking mechanism on the first supporting rod, and limiting the second supporting rod to slide through a locking mechanism on the second supporting rod.

Through the structure, a user does not need to respectively adjust the first supporting rod and the second supporting rod when adjusting the alpenstock, and the simplicity and convenience of the alpenstock in use are improved.

Optionally, the synchronizing mechanism further comprises a return coil spring connected to the synchronizing rod, and the return coil spring is used for driving the synchronizing rod to rotate and return.

Through adopting above-mentioned technical scheme, the wind of reset spring is used for driving the synchronizing rod rotation and resets for the power of the long serving rope of big reel rolling of drive and the short serving rope of the small reel rolling is exerted to the synchronizing rod to the reset rod, thereby makes long serving rope and short serving rope be in the tensioning state all the time. Make long serving and short serving difficult the appearance of being piled up the winding condition on the one hand, on the other hand need not to rotate the synchronizing bar when making the regulation alpin-stock length, opens two locking mechanical system after, directly with first branch and second branch down can.

Optionally, the first supporting rod is connected with an ejection spring, the ejection spring is used for driving the first supporting rod to move out of the main rod, and the sum of the elastic force of the ejection spring and the gravity borne by the first supporting rod is smaller than the elastic force of the return coil spring.

Through adopting above-mentioned technical scheme, when adjusting this application alpin-stock, open earlier and open two locking mechanism, then extract second branch to suitable length, long reel drives big reel and synchronizing bar and rotates to drive little reel and rotate and emit short reel. Under the action of the ejection spring, the first support rod extends out of the main rod. Through above-mentioned structure, stretch out the mobile jib to first branch and played supplementary effect for first branch also can stretch out the mobile jib under the condition not down.

Optionally, the spring-loaded type power supply further comprises a stretching mechanism, the stretching mechanism comprises a stretching spring connected to the second supporting rod, the stretching spring is used for driving the second supporting rod to move out of the first supporting rod, and the elastic force of the stretching spring is greater than that of the reset coil spring.

Through adopting above-mentioned technical scheme, when adjusting this application alpin-stock, open two locking mechanism, under the effect of stretching out the spring, second branch pops out, and first branch pops out under ejecting spring's effect. Then the first supporting rod is abutted to the ground and the main rod is pressed downwards so that the extension spring and the ejection spring are compressed, the second supporting rod is retracted into the first supporting rod, the first supporting rod is retracted into the main rod, and after the length is adjusted to be proper, the two locking mechanisms are used for locking. Through above-mentioned structure for when adjusting the length of this application alpin-stock, only need open locking mechanism, push down the mobile jib, close locking mechanism at last can, the simplicity when further having improved this application alpin-stock and adjusting.

Optionally, the extension mechanism further includes a fixed plate, a fixed column, and four sets of stop assemblies for limiting the sliding of the second support rod, the fixed plate is fixed in the main rod, the fixed column is fixed on the fixed plate, the axis of the fixed column is collinear with the axis of the main rod, each stop assembly is circumferentially and uniformly distributed around the axis of the fixed column, the stop assemblies include a sliding sleeve, a stop block, a reset block, and a reset spring, the sliding sleeve is fixed on the inner wall of the second support rod, the stop block is arranged in the sliding sleeve in a sliding manner along the radial direction of the fixed column, a plurality of reset grooves for inserting the end portions of different stop blocks are formed in the circumferential side wall of the fixed column, the reset block and the reset spring of each set of stop assemblies are respectively arranged in different reset grooves, the reset block is arranged in the reset groove in a sliding manner, and the reset spring is connected to the reset block, when the axis of the fixed column is vertical, the end face of the reset block is flush with the side wall of the fixed column, and the sum of the gravity of the stop block and the gravity of the reset block is larger than the elastic force of the reset spring.

Through adopting above-mentioned technical scheme, when lifting this application alpin-stock to the axis level, because the gravity sum of stop block and reset block is greater than reset spring's elasticity for the tip of at least one stop block supports to press on reset block and stretches into in the groove that resets. At this time, even if both the lock mechanisms are opened, the extension spring hardly drives the end of the second rod to extend out of the first rod. When this application alpin-stock's axis is vertical, under reset spring's effect, the terminal surface of reset block and the lateral wall parallel and level of fixed column to release the groove that resets with the tip of stop block. At the moment, the two locking mechanisms are opened, the second supporting rod is driven by the extension spring to extend out of the first supporting rod, and the first supporting rod is driven by the ejection spring to extend out of the main rod.

Through above-mentioned structure for the axis of this application alpin-stock is in the level or when the contained angle with the horizontal plane, and the tip of at least one stop block is inserted and is established in the groove that resets, and restriction first branch and second branch pop out, have improved the security performance of this application alpin-stock.

Optionally, the end of the stop block close to the axis of the second support rod is provided with a reset inclined surface, and the reset inclined surface faces the fixing plate.

Through adopting above-mentioned technical scheme, when taking in second branch in the first branch, open two locking mechanism earlier, support the tip of first branch again and press subaerial and push down the mobile jib, the relative second branch removal of fixed column. Along with the fixed column moving, the end part of the fixed column is pressed on the reset inclined plane and pushes the stop block to move, so that the end part of the fixed column can be continuously inserted into the second supporting rod. The reset inclined plane plays a reset role when the end part of the stop block extends to the fixed column moving path.

Optionally, the locking mechanism comprises a fixing sleeve, a deformation sleeve, a locking hoop, a locking rod, a connecting block, a locking nut and a locking buckle, the deformation sleeve is fixed on the fixing sleeve, and the circumferential outer wall of the deformation sleeve is provided with a deformation groove communicated with the inner wall of the deformation sleeve, the locking clamp sleeve is arranged on the deformation sleeve, the locking rod penetrates through the two movable ends of the locking hoop, the connecting block is fixed at one end of the locking rod, the locking nut is in threaded connection with the other end of the locking rod, the locking buckle is connected to the connecting block and used for driving the connecting block to move towards the direction far away from the movable end, the locking buckle is contradicted with one of them expansion end of locking clamp, locking mechanism's on the first branch fixed cover cup joints and fixes on the mobile jib, locking mechanism's on the first branch deformation cover on establishing on first branch.

Through adopting above-mentioned technical scheme, when locking first branch, move to the direction of keeping away from the expansion end through locking buckle drive connecting block, lock the conflict of buckle and one of them expansion end, the locking buckle passes through the locking lever and drives lock nut and remove to the direction that is close to the expansion end to make lock nut and another expansion end conflict, make the tight deformation cover of locking clamp. The deformation groove enables the deformation sleeve to deform, the locking clamp clamps the deformation sleeve so that the deformation sleeve on the first supporting rod clamps the first supporting rod, and the fixing sleeve is fixed on the main rod so as to limit the movement of the first supporting rod relative to the main rod. Through the structure, the first support rod is limited to move, and the structure is simple.

Optionally, the locking buckle includes the rotation portion of conflicting with the expansion end of locking buckle, connects and presses the splenium and rotate the hinge bar that sets up on the connecting block in the rotation portion, the hinge bar runs through and rotate the connection in rotation portion, the hinge bar is eccentric settings.

Through adopting above-mentioned technical scheme, rotate by the hinge bar and set up on the connecting block, the hinge bar runs through and rotate to be connected in rotation portion, and the hinge bar is eccentric settings for when the locking buckle rotates, can change connecting block and lock nut's interval, thereby change rotation portion and lock nut's interval, so that connecting block and lock nut can press from both sides tightly or loosen the both ends of locking the clamp. Through above-mentioned structure for rotate the locking buckle and can realize that locking mechanism opens or locks, it is easy and simple to handle, especially be applicable to user one-hand operation.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the synchronizing mechanism, when the length of the alpenstock is adjusted, the moving distance of the second supporting rod approaches to twice that of the first supporting rod, so that the length of the second supporting rod extending out of the first supporting rod is almost consistent with that of the first supporting rod extending out of the main rod, and the simplicity and convenience of the alpenstock in use are improved;

2. through the extending mechanism, when the first supporting rod and the second supporting rod are downwards arranged so that the axes of the fixed columns are vertical and the two locking mechanisms are opened, the first supporting rod and the second supporting rod are popped out, and a user can conveniently adjust the length of the alpenstock;

3. through the locking subassembly for when the axis of fixed column is horizontal, even two locking mechanism are opened to this application alpin-stock when being horizontal promptly, first branch also can't pop out with second branch, has improved the security performance of this application alpin-stock.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present application.

Fig. 2 is a schematic cross-sectional view of an embodiment of the present application.

Fig. 3 is an enlarged schematic view at a in fig. 2.

Fig. 4 is a partial structural schematic diagram of the highlighted synchronizing mechanism in the embodiment of the present application.

Fig. 5 is an enlarged schematic view at B in fig. 2.

Fig. 6 is a partial schematic structural view for highlighting the locking mechanism in the embodiment of the present application.

Description of reference numerals:

1. a main rod; 11. a handle; 2. a first support bar; 21. ejecting a spring; 3. a second support bar; 31. a cane tip; 32. carrying out mud support; 4. a synchronization mechanism; 41. a synchronization lever; 42. a large reel; 43. a small reel; 44. long rope winding; 45. short winding ropes; 46. a reset coil spring; 47. a baffle ring; 5. a protracting mechanism; 51. a fixing plate; 52. fixing a column; 521. a reset groove; 53. extending the spring; 54. a stop assembly; 541. a sliding sleeve; 542. a stopper block; 543. a reset block; 5431. resetting the inclined plane; 544. a return spring; 6. a locking mechanism; 61. fixing a sleeve; 62. a deformation sleeve; 621. a deformation groove; 63. locking the clamp; 64. a locking lever; 65. connecting blocks; 66. a locking nut; 67. locking the buckle; 671. a rotating part; 672. a pressing part; 673. a hinged lever.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses an alpenstock. Referring to fig. 1 and 2, the alpenstock comprises a main rod 1, a first pole 2, a second pole 3, a synchronizing mechanism 4 arranged in the main rod 1, a stretching mechanism 5 for driving the first pole 2 and the second pole 3 to stretch out, and two sets of locking mechanisms 6 for respectively limiting the sliding of the first pole 2 and the second pole 3.

Referring to fig. 1 and 2, a handle 11 is fixed to the main pole 1 to facilitate gripping by a user. The main rod 1 is connected with the first branch rod 2 in a sliding way, the first branch rod 2 is connected with the second branch rod 3 in a sliding way, and the axes of the main rod 1, the first branch rod 2 and the second branch rod 3 are collinear. The tip 31 of the second pole strut 3 is fixed at the end of the second pole strut 3, and the second pole strut 3 is sleeved with a mud support 32 for preventing the alpenstock of the application from sinking into soft soil.

Referring to fig. 2 to 4, the synchronizing mechanism 4 includes a synchronizing lever 41, two large reels 42, two small reels 43, two long winding ropes 44, two short winding ropes 45, and a return coil spring 46. The synchronizing rod 41 is rotatably connected in the main rod 1, and the axial direction of the synchronizing rod 41 is perpendicular to the axial direction of the main rod 1. Two big reels 42 are all fixed on synchronizing rod 41 in a sleeving manner, two long rolling ropes 44 are respectively arranged on different big reels 42, and big reels 42 are used for rolling long rolling ropes 44. One end of long cord 44 is fixed to the circumferential side wall of large reel 42, and the other end of long cord 44 is fixed to second pole 3. Two small reels 43 are sleeved and fixed on the synchronous rod 41, and the large reel 42 is positioned between the two small reels 43. The two short winding ropes 45 are respectively arranged on different small reels 43, and the small reels 43 are used for winding the short winding ropes 45. One end of the short winding rope 45 is fixed on the circumferential side wall of the small reel 43, and the other end of the short winding rope 45 is fixed on the first support bar 2. The diameter of small reel 43 is half of that of large reel 42, and retaining rings 47 are fixed to both ends of small reel 43 in its axial direction and both ends of large reel 42 in its axial direction.

Referring to fig. 3 and 4, a return coil spring 46 is located between the two large reels 42, two force-bearing ends of the return coil spring 46 are respectively fixed on the synchronizing rod 41 and the inner wall of the main rod 1, and the return coil spring 46 is used for driving the synchronizing rod 41 to rotate and return so as to drive the large reel 42 to wind the long winding rope 44 and the small reel 43 to wind the short winding rope 45, so that the long winding rope 44 and the short winding rope 45 are all in a tensioned state.

Referring to fig. 2, 3 and 5, the extension mechanism 5 includes a fixed plate 51, a fixed post 52, an extension spring 53 and four sets of stop assemblies 54, the fixed plate 51 is fixed in the main rod 1, the fixed plate 51 is located on one side of the synchronization rod 41 close to the first support rod 2, and the long winding rope 44 and the short winding rope 45 both penetrate through the fixed plate 51.

Referring to fig. 3 and 4, six ejection springs 21 are arranged on the first supporting rod 2, and the ejection springs 21 are uniformly distributed around the axis of the main rod 1 in the circumferential direction. The ejection springs 21 extend and retract along the axial direction of the main rod 1, two ends of the ejection springs 21 are respectively fixed on the fixing plate 51 and the first supporting rod 2, the ejection springs 21 drive the first supporting rod 2 to move out of the main rod 1, and the sum of the elastic force exerted by each ejection spring 21 on the first supporting rod 2 and the gravity borne by the first supporting rod 2 is smaller than the elastic force of the return coil spring 46.

Referring to fig. 2 to 4, when the length of the mountain climbing pole of the present invention is adjusted, the second pole support 3 is drawn out of the first pole support 2, and the second pole support 3 drives the large reel 42 to rotate through the long winding rope 44 and overcomes the elastic force of the return coil spring 46, thereby driving the synchronizing rod 41 to rotate and the small reel 43 to rotate, and the short winding rope 45 is paid out. Under the action of the ejection spring 21, the first stem 2 moves out of the main stem 1. Since the diameter of small reel 43 is half of the diameter of large reel 42, the paid-out length of short cord 45 becomes approximately half of the paid-out length of long cord 44, so that the distance traveled by first bar 2 becomes approximately half of the distance traveled by second bar 3, and the length of second bar 2 extending beyond first bar 2 is almost the same as the length of first bar 2 extending beyond main bar 1.

Referring to fig. 4 and 5, fixed column 52 is fixed on the side of fixed plate 51 away from synchronization rod 41, and the axis of fixed column 52 is collinear with the axis of main rod 1. The extension spring 53 extends and retracts along the axial direction of the second support rod 3, and two ends of the extension spring 53 are fixed on the fixing column 52 and the inner wall of the second support rod 3 respectively. The extension spring 53 is used to drive the second bar 3 to move out of the first bar 2, and the elastic force of the extension spring 53 is larger than that of the return coil spring 46.

Referring to fig. 5, stop assemblies 54 are used to limit the sliding of second strut 3, and stop assemblies 54 are circumferentially distributed around the axis of fixed column 52. The stopper assembly 54 includes a sliding sleeve 541, a stopper 542, a reset block 543 and a reset spring 544, the sliding sleeve 541 is fixed on the inner wall of the second shaft 3, and the stopper 542 is slidably disposed in the sliding sleeve 541 along the radial direction of the fixed column 52. Four reset grooves 521 extending along the radial direction of the fixed column 52 are formed in the circumferential side wall of the fixed column 52, each reset groove 521 is circumferentially and uniformly distributed around the axis of the fixed column 52, the reset grooves 521 are aligned with the adjacent sliding sleeves 541, and the end portions of the adjacent stop blocks 542 extend into the reset grooves 521.

Referring to fig. 5, the reset block 543 and the reset spring 544 of each set of stop assemblies 54 are respectively disposed in different reset slots 521, the reset block 543 is slidably disposed in the reset slot 521, the reset spring 544 is located at one side of the reset block 543 close to the bottom of the reset slot 521, and two ends of the reset spring 544 are respectively fixed with the bottoms of the reset block 543 and the reset slot 521. When the axis of the fixed column 52 is vertical, under the action of the return spring 544, the end surface of the return block 543 away from the return spring 544 is flush with the side wall of the fixed column 52. The sum of the gravity of the stopping block 542 and the resetting block 543 is greater than the elastic force of the resetting spring 544, so that the stopping block 542 is aligned with the resetting groove 521, and when the axis of the fixing column 52 is horizontal or the included angle between the axis of the fixing column 52 and the horizontal plane is small, the end of the stopping block 542 is pressed against the resetting block 543 and extends into the resetting groove 521.

Referring to fig. 2 and 5, the end of the stopper 542 near the axis of the second support rod 3 is provided with a reset inclined surface 5431 for abutting against the fixing post 52, and the reset inclined surface 5431 faces the fixing plate 51. When the first pole leg 2 is retracted into the second pole leg 3 and the second pole leg 3 is retracted into the main pole 1 by the restoring slope 5431, even if the end of the stopper 542 is located on the moving path of the fixed column 52, the fixed column 52 is pressed against the restoring slope 5431, and the stopper 542 can be driven to be retracted into the sliding sleeve 541.

Referring to fig. 6, the locking mechanism 6 includes a fixing sleeve 61, a deformation sleeve 62, a locking yoke 63, a locking lever 64, a connecting block 65, a locking nut 66, and a locking catch 67. The deformation sleeve 62 is integrally formed at one end of the fixing sleeve 61, and the axis of the deformation sleeve 62 is collinear with the axis of the fixing sleeve 61. Two deformation grooves 621 are formed in the circumferential outer wall of the deformation sleeve 62, the two deformation grooves 621 are axially and uniformly distributed around the axis of the deformation sleeve 62, and the deformation grooves 621 are communicated with the inner wall of the deformation sleeve 62. Deformation cover 62 adopts the material that can deform to make, adopts plastics to make in this application embodiment, through applying the power inwards to deformation cover 62 for deformation cover 62 can inwards be deformed.

Referring to fig. 6, the locking clamp 63 is C-shaped, the locking clamp 63 is sleeved on the deformation sleeve 62, the locking rod 64 penetrates through two movable ends of the locking clamp 63, the connecting block 65 is fixed at one end of the locking rod 64, the locking nut 66 is in threaded connection with the other end of the locking rod 64, and the two movable ends of the locking clamp 63 are located between the connecting block 65 and the locking nut 66.

Referring to fig. 6, the locking buckle 67 includes a rotation portion 671 and a pressing portion 672 which are integrally formed, and a hinge rod 673 eccentrically disposed on the rotation portion 671, wherein the hinge rod 673 penetrates through the rotation portion 671 and the connection block 65, and the hinge rod 673 is rotatably connected to the rotation portion 671 and the connection block 65. The rotating portion 671 is used for abutting against one of the movable ends of the locking buckle 67, the pressing portion 672 is used for being pressed by a user, and the pressing portion 672 can abut against the locking clamp 63. When the locking buckle 67 rotates until the pressing part 672 abuts against the locking clamp 63, the distance between the abutting end of the rotating part 671 and the movable end of the locking clamp 63 and the hinge rod 673 is the largest, and at this time, the locking state is achieved; when the pressing portion 672 rotates in a direction away from the locking catch 67, the distance between the abutting end of the rotating portion 671 and the movable end of the locking clip 63 and the hinge rod 673 decreases, and this time, the locking clip is in an open state.

Referring to fig. 1 and 6, the fixing sleeve 61 of one of the locking mechanisms 6 is fixedly sleeved on the main rod 1, and the deformation sleeve 62 is sleeved on the first supporting rod 2 to limit the first supporting rod 2 to slide relative to the main rod 1; the fixing sleeve 61 of the other set of locking mechanism 6 is sleeved and fixed on the first supporting rod 2, and the deformation sleeve 62 is sleeved on the second supporting rod 3 to limit the second supporting rod 3 to slide relative to the first supporting rod 2.

The implementation principle of the alpenstock in the embodiment of the application is as follows: when the length of the alpenstock is adjusted, the pole tip 31 is first erected toward the ground and the axis of the main rod 1, and at this time, the stopper 542 is pushed out of the return groove 521 by the return block 543 under the action of the return spring 544. Then, the lock catches 67 are turned to change the lock mechanisms 6 from the locked state to the unlocked state. Under the action of extension spring 53, second strut 3 extends out of first strut 2 and drives large reel 42 to rotate through long cord 44, large reel 42 drives small reel 43 to rotate through synchronization rod 41 to pay out short cord 45, and under the action of ejection spring 21, first strut 2 extends out of main rod 1. Then the main rod 1 is pressed downwards, the extension spring 53 is compressed, the first branch rod 2 is partially retracted, the ejection spring 21 is compressed under the action of the return coil spring 46, and the second branch rod 3 is partially retracted, so that the alpenstock is adjusted to an appropriate length, wherein the length of the first branch rod 2 extending out of the main rod 1 is almost the same as the length of the second branch rod 3 extending out of the first branch rod 2. Finally, the two locking buckles 67 are rotated to enable the rotating portion 671 and the locking nut 66 to abut against the two movable ends of the locking clamp 63, and the locking clamp 63 abuts against the deformation sleeve 62 to enable the deformation sleeve 62 to clamp inwards, so that the sliding of the first support rod 2 and the second support rod 3 is limited.

Through the structure, the length of the main rod 1 extending out of the first supporting rod 2 is almost the same as the length of the first supporting rod 2 extending out of the second supporting rod 3, follow-up adjustment is not needed, and the use simplicity of the alpenstock is improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an alpenstock, includes mobile jib (1), first branch (2) and second branch (3), mobile jib (1) slip cap (541) connects on first branch (2), first branch (2) slip cap (541) connects on second branch (3), its characterized in that: the synchronous mechanism (4) is arranged in the main rod (1), the synchronous mechanism (4) comprises a synchronous rod (41) rotatably connected in the main rod (1), a large reel (42) and a small reel (43) which are fixedly sleeved on the synchronous rod (41), a long coiling rope (44) with two ends respectively connected to the circumferential side wall of the large reel (42) and the second branch rod (3), and a short coiling rope (45) with two ends respectively connected to the circumferential side wall of the small reel (43) and the first branch rod (2), the large reel (42) is used for coiling the long coiling rope (44), the small reel (43) is used for coiling the short coiling rope (45), the diameter of the small reel (43) is half of that of the large reel (42), locking mechanisms (6) are arranged on the first branch rod (2) and the second branch rod (3), the locking mechanism (6) on the first branch rod (2) is used for limiting the first branch rod (2) to slide relative to the main rod (1), and the locking mechanism (6) on the second supporting rod (3) is used for limiting the second supporting rod (3) to move relative to the first supporting rod (2).

2. An alpenstock according to claim 1, wherein: the synchronizing mechanism (4) further comprises a return coil spring (46) connected to the synchronizing rod (41), and the return coil spring (46) is used for driving the synchronizing rod (41) to rotate and reset.

3. An alpenstock according to claim 2, wherein: the first supporting rod (2) is connected with an ejection spring (21), the ejection spring (21) is used for driving the first supporting rod (2) to move out of the main rod (1), and the sum of the elastic force of the ejection spring (21) and the gravity borne by the first supporting rod (2) is smaller than the elastic force of the return coil spring (46).

4. An alpenstock according to claim 2, wherein: still including stretching out mechanism (5), stretch out mechanism (5) including connecting stretching out spring (53) on second branch (3), stretch out spring (53) and be used for driving second branch (3) and shift out first branch (2), the elasticity that stretches out spring (53) is greater than the elasticity of reset coil spring (46).

5. An alpenstock according to claim 4, wherein: the extension mechanism (5) further comprises a fixing plate (51), a fixing column (52) and four groups of stopping assemblies (54) for limiting the sliding of the second support rod (3), the fixing plate (51) is fixed in the main rod (1), the fixing column (52) is fixed on the fixing plate (51), the axis of the fixing column (52) is collinear with the axis of the main rod (1), the stopping assemblies (54) are uniformly distributed in the circumferential direction around the axis of the fixing column (52), each stopping assembly (54) comprises a sliding sleeve (541), a stopping block (542), a reset block (543) and a reset spring (544), the sliding sleeve (541) is fixed on the inner wall of the second support rod (3), the stopping blocks (542) are arranged in the sliding sleeve (541) in a sliding mode along the radial direction of the fixing column (52), and a plurality of reset grooves (521) used for inserting the ends of different stopping blocks (542) are formed in the circumferential side wall of the fixing column (52), the reset block (543) and the reset spring (544) of each set of the stopping assembly (54) are respectively arranged in different reset grooves (521), the reset block (543) is arranged in the reset groove (521) in a sliding mode, the reset spring (544) is connected to the reset block (543), when the axis of the fixed column (52) is vertical, the end face of the reset block (543) is flush with the side wall of the fixed column (52), and the sum of the gravity of the stopping block (542) and the reset block (543) is larger than the elastic force of the reset spring (544).

6. An alpenstock according to claim 5, wherein: the end part of the stop block (542) close to the axis of the second support rod (3) is provided with a reset inclined surface (5431), and the reset inclined surface (5431) faces the fixing plate (51).

7. An alpenstock according to claim 1, wherein: locking mechanism (6) are including fixed cover (61), deformation cover (62), locking clamp (63), locking lever (64), connecting block (65), lock nut (66) and locking buckle (67), deformation cover (62) are fixed on fixed cover (61), just set up deformation groove (621) that are linked together with deformation cover (62) inner wall on the circumference outer wall of deformation cover (62), locking clamp (63) cover is established on deformation cover (62), locking lever (64) run through the both ends of activity of locking clamp (63), the one end at locking lever (64) is fixed in connecting block (65), lock nut (66) threaded connection is at the other end of locking lever (64), locking buckle (67) are connected on connecting block (65) and are used for driving connecting block (65) to remove to the direction of keeping away from the activity, locking buckle (67) contradict with one of them movable end of locking clamp (63), the fixed cover (61) of locking mechanism (6) on first branch (2) cup joints and fixes on mobile jib (1), deformation cover (62) of locking mechanism (6) on first branch (2) are established on first branch (2).

8. An alpenstock according to claim 7, wherein: locking buckle (67) include rotation portion (671) of contradicting with the expansion end of locking buckle (67), connect and press the portion (672) and rotate articulated rod (673) of setting on connecting block (65) on rotation portion (671), articulated rod (673) run through and rotate and connect on rotation portion (671), articulated rod (673) are eccentric settings.