CN220816170U - Locking device for armrest upright post and running machine - Google Patents

Abstract

The utility model discloses a locking device for an armrest stand column and a running machine, wherein the armrest stand column is rotatably connected with a runway frame body through a rotating shaft and can rotate to a folding state or an unfolding state relative to the runway frame body, the locking device comprises a locking piece, a spanner piece and a resetting piece, the locking piece is movably arranged in a first locking channel arranged on the armrest stand column, a second locking channel is arranged on the runway frame body, and the spanner piece is used for pushing the locking piece to move towards the second locking channel until the inner end of the locking piece stretches into the second locking channel; the reset member is capable of releasing a force that drives the locking member to move away from the second locking channel to disengage from the second locking channel. The locking device is simple in structure and convenient to operate, so that the running machine with the locking device can be more time-saving and labor-saving when the handrail upright post is operated to be unfolded or folded, and can be used for realizing rapid unfolding or folding of the handrail upright post.

Description

Locking device for armrest upright post and running machine

Technical Field

The utility model relates to the field of treadmills, in particular to a locking device for an armrest upright post and a treadmill.

Background

The running machine is body-building equipment for simulating running and walking exercises, people pay more attention to physical exercises along with the continuous improvement of living standard, running is the simplest and effective body-building method, and the running machine is also popular with body-building people.

Conventional treadmills are bulky and heavy, often requiring considerable storage space when not in use, and are not suitable for home use. In order to facilitate household use, various folding treadmills gradually appear on the market at present, and the handrail frame can be rotated to the side part of the runway frame body relative to the runway frame body, so that the occupied space of the treadmills is reduced, and the folded treadmills can be horizontally arranged at the bottom of a bed or vertically arranged close to a wall, so that the folding treadmills are convenient to store. However, the existing folding running machine generally adopts a mode of screwing and fixing screw holes of screws to fix the handrail frame in an unfolding state relative to the runway frame body, namely screw holes are respectively formed in an upright post of the handrail frame and the runway frame body, when the folding running machine is unfolded, the handrail frame is rotated to the unfolding position corresponding to the two screw holes, the screws sequentially extend into the two screw holes, the handrail frame is locked in the unfolding state relative to the runway frame body through one-turn rotating screws, when the folding running machine is folded, the screws are firstly unscrewed through one-turn rotating, the handrail frame is rotated to a folding state relative to the runway frame body, and sometimes the screws are more firmly screwed for unfolding and locking the handrail frame, the screws are difficult to unscrew next time, time and labor are wasted in operation, the demounted screws are easy to lose, and the folding running machine is inconvenient to use.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides the locking device for the handrail upright post and the running machine, which have the advantages of simple structure and convenient operation, so that the running machine provided with the locking device is more time-saving and labor-saving when the handrail upright post is operated to be unfolded or folded, the handrail upright post can be rapidly unfolded or folded, and the running machine is convenient to use.

The technical scheme of the utility model is as follows:

The utility model discloses a locking device for an armrest stand column, which is rotatably connected with a runway frame body through a rotating shaft and can rotate to a folding state or an unfolding state relative to the runway frame body, wherein the locking device comprises a locking piece, a spanner piece and a resetting piece, the locking piece is movably arranged in a first locking channel arranged on the armrest stand column, a second locking channel is arranged on the runway frame body, when the armrest stand column rotates to the unfolding state, the second locking channel is arranged opposite to the first locking channel, and the locking piece can move to a locking position where the inner end of the locking piece is butted with the second locking channel and an unlocking position separated from the second locking channel along the length direction of the first locking channel; the wrench piece is rotatably connected to one side, far away from the runway frame body, of the armrest upright post through a connecting shaft and is used for pushing the locking piece to move towards the direction of the second locking channel until the inner end of the locking piece stretches into the second locking channel; the reset piece is arranged between the locking piece and the inner side of the first locking channel and can release an acting force for driving the locking piece to move to be separated from the second locking channel in the direction away from the second locking channel.

Preferably, the wrench piece comprises a holding part and a rotating wheel part connected with one end part of the holding part, the connecting shaft is connected to the rotating wheel part, the outer surface of the rotating wheel part is provided with a first side surface and a second side surface, the distance between the first side surface and the axis of the connecting shaft is larger than the distance between the second side surface and the axis of the connecting shaft, the first side surface abuts against the outer end surface of the locking piece when the locking piece is in the locking position, and the second side surface abuts against the outer end surface of the locking piece when the wrench piece is in the unlocking position.

Preferably, the first side surface is arranged at the inner side of the holding part, and the length direction of the holding part is arranged along the longitudinal direction of the handrail upright post when the locking piece is at the locking position.

Preferably, one side of keeping away from the runway support body on the handrail stand is provided with the spanner base, the spanner base includes two at least first base plates of arranging along handrail stand length direction, and two first base plates interval arrangement that the adjacent was arranged forms the spanner groove that supplies the spanner spare to be including the activity, wear to be equipped with shaft hole one on the first base plate, wear to be equipped with shaft hole two on the portion of gripping, stretch into in shaft hole one and the shaft hole two through the connecting axle between portion of gripping and the spanner base and carry out rotatable connection.

Preferably, the wrench base further comprises a second base plate connected between the inner ends of the two adjacent first base plates, a runner passage capable of allowing the runner part to penetrate into the runner passage is arranged on the second base plate in a penetrating mode, the runner passage is arranged on the outer side of the first locking passage, the second base plate and the two adjacent first base plates surround to form the wrench groove, and the second base plate is detachably connected with the armrest upright post through a connecting piece.

Preferably, the two ends of the connecting shaft are respectively provided with a first limiting part and a second limiting part, the first limiting parts and/or the second limiting parts are detachably connected with the connecting shaft, one of the two adjacent arrangement first base plates is provided with a first sinking groove for accommodating the first limiting parts inwards from one side far away from the wrench groove, and the other one of the two adjacent arrangement first base plates is provided with a second sinking groove for accommodating the second limiting parts inwards from one side far away from the wrench groove.

Preferably, the locking piece includes the locking axle and connects the locking cap at the locking axle outer end, the protruding periphery setting of locking axle of locking cap, the radial protruding limiting plate that is equipped with of axis towards the locking axle of the interior wall of first locking passageway, wear to be equipped with on the limiting plate and supply the locking axle inner to stretch out the inboard locking axle passageway of handrail stand, the inner of locking axle can dock with the second locking passageway, reset piece cover is established in the outside of locking axle and reset piece's both ends offset with locking cap and limiting plate respectively, can release one and promote the thrust that the locking piece moved towards keeping away from second locking passageway direction.

Preferably, the inner end of the locking shaft is provided with a butt joint part, the second locking channel comprises a butt joint channel matched with the shape of the butt joint part, the distance between the outer peripheral wall of the butt joint part and the axis of the locking shaft is gradually reduced from one end close to the locking cap to one end far away from the locking cap, and the distance between the butt joint channel and the axis of the locking shaft is gradually reduced from one end close to the locking cap to one end far away from the locking cap.

The utility model also discloses a running machine, which comprises the handrail upright post, a runway frame body and the locking device, wherein the runway frame body comprises a runway main frame and a locking bracket connected with the runway main frame and arranged at the outer side of the runway main frame, the locking bracket comprises a first frame plate arranged in parallel with the outer side of the runway main frame, the rotating shaft is connected to the handrail upright post and the first frame plate, a positioning frame plate is arranged at the outer side of the first frame plate, and the handrail upright post is propped against the positioning frame plate when in an unfolding state.

Preferably, the rotating shaft is arranged near the bottom end of the armrest upright, the first locking channel and the positioning frame plate are arranged between the rotating shaft and the bottom end of the armrest upright, the first locking channel is arranged between the rotating shaft and the positioning frame plate, and the positioning frame plate is arranged at the rear side of the armrest upright and can prop against the rear side of the armrest upright when the armrest upright is in a unfolded state;

The locking support is characterized by further comprising at least two second frame plates which are vertically connected to the inner side of the first frame plate, the second frame plates are respectively connected with the outer side and the bottom side of the runway main frame, the first frame plates are arranged on the outer side of the runway main frame at intervals after connection, a second channel piece is further connected between the runway main frame and the first frame plates, the second locking channel is arranged in the second channel piece, a first channel piece is connected to the armrest upright post, and the first locking channel is arranged in the first channel piece.

According to the locking device disclosed by the utility model, as the locking piece can move to the locking position where the inner end of the locking piece is butted with the second locking channel along the length direction of the first locking channel and the unlocking position where the inner end of the locking piece is separated from the second locking channel, the locking device is provided with the spanner piece for pushing the locking piece to move towards the direction of the second locking channel until the inner end of the locking piece stretches into the second locking channel and the reset piece for releasing the acting force for driving the locking piece to move away from the direction of the second locking channel to be separated from the second locking channel.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

fig. 1 and 2 are schematic structural views of a locking device according to an embodiment of the present utility model.

Fig. 3 is an exploded view of a locking device according to an embodiment of the present utility model.

Fig. 4 is a schematic structural view of a locking member according to an embodiment of the present utility model.

Fig. 5 is a schematic structural diagram of a wrench member according to an embodiment of the present utility model.

Fig. 6 is a schematic structural view of a wrench base and a connecting shaft according to an embodiment of the utility model.

Fig. 7 is a schematic structural diagram of a wrench base according to an embodiment of the utility model.

Fig. 8 is a schematic cross-sectional view of a locking device according to an embodiment of the present utility model.

Fig. 9 and 10 are schematic structural views of a treadmill according to an embodiment of the present utility model.

Fig. 11 is a schematic structural view of a locking bracket according to an embodiment of the present utility model.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. All other embodiments, which can be made by a person skilled in the art without creative efforts, based on the described embodiments of the present utility model fall within the protection scope of the present utility model.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, or may include both the first and second features not being in direct contact, but being in contact with each other by way of additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs. The terms "first," "second," and the like in the description and in the claims, are not used for any order, quantity, or importance, but are used for distinguishing between different elements. Likewise, the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one.

As shown in fig. 1 to 3, as an embodiment of the present utility model, a locking device 100 for a handrail column is disclosed, which can be provided between a handrail column 200 of exercise equipment such as a running machine, a walking machine, etc. and a runway frame 300 for locking or unlocking an unfolded state of the handrail column 200, the handrail column 200 being rotatably connected to the runway frame 300 through a rotation shaft 4 and being rotatable to a folded state or an unfolded state with respect to the runway frame 300. The locking device 100 comprises a locking piece 1, a spanner 2 and a resetting piece 3, wherein the locking piece 1 is movably arranged in a first locking channel 201 arranged on a handrail upright 200, a second locking channel 301 is arranged on a runway frame 300, when the handrail upright 200 rotates to a unfolding state, the second locking channel 301 and the first locking channel 201 are oppositely arranged, namely, the second locking channel 301 and the first locking channel 201 are positioned on the same horizontal line, and at the moment, the locking piece 1 can move to a locking position where the inner end of the locking piece is in butt joint with the second locking channel 301 and an unlocking position separated from the second locking channel 301 along the length direction of the first locking channel 201. The wrench piece 2 is rotatably connected to one side, far away from the runway frame 300, of the handrail upright post 200 through the connecting shaft 5, can rotate forward along the axis of the connecting shaft 5 to push the locking piece 1 to move towards the second locking channel 301 along the length direction of the first locking channel 201, and is used for pushing the locking piece 1 to move to a locking position, in which the inner end of the locking piece extends into the second locking channel 301 to be in butt joint with the second locking channel 301, so that the unfolding locking of the handrail upright post 200 relative to the runway frame 300 is realized, and can rotate reversely along the axis of the connecting shaft 5 to release the thrust to the locking piece 1. The reset piece 3 is arranged between the locking piece 1 and the inner side of the first locking channel 201, and can release a force for driving the locking piece 1 to move to be separated from the second locking channel 301 in a direction away from the second locking channel 301, so that the locking piece 1 is automatically restored to an unlocking position at which the inner end of the locking piece 1 is separated from the second locking channel 301 while the pushing force of the wrench piece 2 is released to the locking piece 1, the unlocking of the handrail upright 200 relative to the runway frame 300 is realized, and the handrail upright 200 can rotate to a folding state relative to the runway frame 300 around the axis of the rotating shaft 5. In this embodiment, the wrench 2 is pulled forward around the axis of the connecting shaft 5 to push the locking piece 1 to the locking position, so that the unfolding and locking of the handrail upright 200 can be realized, the wrench 2 is pulled reversely around the axis of the connecting shaft 5 to release the pushing of the locking piece 1, meanwhile, the locking piece 1 automatically returns to the unlocking position under the acting force of the resetting piece 3 to unlock the handrail upright 200, at this time, the handrail upright 200 can be folded relative to the runway frame 300, compared with the existing mode of screwing on or unscrewing the screw through one rotation, the wrench 2 in this embodiment is easier and more labor-saving to operate, the time is saved, the rapid unfolding or folding of the handrail upright 200 can be realized, and the locking piece 1 is always located in the first locking channel 201 in the locking and unlocking process, so that the locking piece 1 is not easy to lose, in addition, the locking structure for unfolding and locking the handrail upright 200 is realized by arranging the locking piece 1 in the first locking channel 201 and the second locking channel 301 at the same time, the stability is good, and practicability is high.

As shown in fig. 5, in some embodiments, the wrench 2 includes a holding portion 21 and a rotating wheel portion 22 connected to one end of the holding portion 21, the connecting shaft 5 is connected to the rotating wheel portion 22, the connecting shaft 5 is arranged parallel to the armrest pillar 200, the outer surface of the rotating wheel portion 22 has a first side 221 and a second side 222, a distance between the first side 221 and an axis of the connecting shaft 5 is greater than a distance between the second side 222 and an axis of the connecting shaft 5, the first side 221 abuts against an outer end surface of the locking member 1 when the locking member 1 is in the locking position, and the second side 222 abuts against an outer end surface of the locking member 1 when the wrench 2 is in the unlocking position, so as to ensure that the locking member 1 is always located in the first locking channel 201, and prevent the locking member 1 from being separated from the first locking channel 201. As one embodiment of the present utility model, the first side 221 and the second side 222 are configured as arc surfaces, and the first side 221 and the second side 222 are connected in a smooth transition manner through the arc surfaces, when the locking member 1 is in the locking position or the unlocking position, the reset member 3 can release a force for driving the locking member 1 to move away from the second locking channel 301, so that the outer end surface of the locking member 1 is always kept in abutment during the rotation process of the wrench member 2, the locking member 1 is ensured to move smoothly along the first locking channel 201 during the locking or unlocking process, the noise caused by rigid impact due to sudden movement is avoided, and meanwhile, the smoothness during the rotation process of the wrench member 2 is improved.

As shown in fig. 1, in some embodiments, the first side 221 is disposed on the inner side of the holding portion 21, and when the locking member 1 is in the locking position, the length direction of the holding portion 21 is disposed along the longitudinal direction of the armrest pillar 200, so that the space occupied by the holding portion 21 in the front-rear direction of the armrest pillar 200 is reduced, and the arrangement is compact compared to the arrangement of the length direction of the holding portion 21 along the transverse direction or other directions of the armrest pillar 200.

As shown in fig. 6 and 7, in some embodiments, a wrench base 6 is disposed on a side of the armrest pillar 200 away from the runway frame 300, the wrench base 6 includes two first base plates 61 disposed along a length direction of the armrest pillar 200, the two first base plates 61 are spaced apart to form a wrench slot 63 for the wrench member 2 to move inside, a first shaft hole 611 is formed on the first base plate 61, a second shaft hole 223 is formed on the grip portion 21, and the grip portion 21 and the wrench base 6 sequentially extend into the first shaft hole 611, the second shaft hole 223, and the first shaft hole 611 on one of the first base plates 61 through the connecting shaft 5 to be rotatably connected. Of course, in other embodiments, more first base plates 61 may be provided, and wrench grooves 63 for the wrench 2 to be moved inside are formed between two adjacent first base plates 61, so as to enhance the structural stability of the wrench 2 and the wrench base 6.

In some embodiments, the wrench base 6 further includes a second base plate 62 connected between inner ends of the two first base plates 61, the second base plate 62 is provided with a runner passage 621 through which the runner 22 can penetrate inside, the runner passage 621 is arranged at the outer side of the first locking passage 201, the second base plate 62 and the two first base plates 61 form the wrench groove 63 around the wrench groove 63, the second base plate 62 enhances the stability of the wrench base 6 on one hand, increases the contact area between the wrench base 6 and the armrest column 200 on the other hand, facilitates the connection of the wrench base 6 and the armrest column 200, and the second base plate 62 is detachably connected with the armrest column 200 through a connecting piece 622, so that the armrest column 200 and the wrench base 6 can be separately and easily manufactured. As one embodiment of the present utility model, the connection member 622 is provided in two, above and below the runner passage 621, respectively, and the connection stability is good. The connector 622 may be a screw, bolt, or other connector that enables the second base 62 to be removably connected to the armrest stud 200.

As shown in fig. 6, in some embodiments, two ends of the connecting shaft 5 are respectively provided with a first limiting member 51 and a second limiting member 52, so that the connecting shaft 5 is limited between two first substrates 61, one of the first substrates 61 is provided with a first sinking groove 612 for accommodating the first limiting member 51 from a side far from the wrench groove 63 in an inward concave manner, the other first substrate 61 is provided with a second sinking groove 613 for accommodating the second limiting member 52 from a side far from the wrench groove 63 in an inward concave manner, and the first limiting member 51 can be accommodated in the first sinking groove 612, and the second limiting member 52 can be accommodated in the second sinking groove 613, so that the flatness of the outer sides of the two first substrates 61 is ensured, and collision is avoided. As one embodiment of the utility model, the first limiting piece 51 is fixedly connected with the connecting shaft 5 into an integral structure, the second limiting piece 52 is detachably connected with the connecting shaft 5, the assembly is convenient, the second limiting piece 52 is in matched connection with the connecting shaft 5 through a threaded structure, the outer Zhou Cewei of the second limiting piece 52 is combined to form a polygonal column structure, the second sinking groove 613 is arranged as a polygonal column groove matched with the second limiting piece 52, the second limiting piece 52 is accommodated in the second sinking groove 613 and is locked circumferentially relative to the second sinking groove 613, and when the assembly is convenient, the second limiting piece 52 is placed in the second sinking groove 613, and the connecting shaft 5 and the second limiting piece 52 can be driven to be in threaded connection or detachment only by rotating the first limiting piece 51. In other embodiments, the first limiting member 51 may be detachably connected to the connecting shaft 5, and the second limiting member 52 may be fixedly connected to the connecting shaft 5 as an integral structure, or the first limiting member 51 and the second limiting member 52 may be detachably connected to the connecting shaft 5 at the same time, which is convenient for assembly.

As shown in fig. 4, in some specific embodiments, the locking member 1 includes a locking shaft 11 and a locking cap 12 connected to the outer end of the locking shaft 11, the locking cap 12 protrudes out of the outer periphery of the locking shaft 11, a limiting convex plate 202 is radially protruding from an inner end wall of the first locking channel 201 towards an axis of the locking shaft 11, a locking shaft channel 203 for extending an inner end of the locking shaft 11 out of the inner side of the armrest upright 200 is perforated on the limiting convex plate 202, an inner end of the locking shaft 11 can be abutted with the second locking channel 301, the reset member 3 is sleeved outside the locking shaft 11, and two ends of the reset member 3 respectively abut against the locking cap 12 and the limiting convex plate 202, so that a pushing force for pushing the locking member 1 to move towards a direction away from the second locking channel 301 can be released. As one of the embodiments of the present utility model, the restoring member 3 is provided as a spring, and in other embodiments, the restoring member 3 may be provided as another structure having an elastic force such as a silicone rubber, or provided as a structure capable of releasing a pulling force pulling the locking member 1 to move away from the second locking channel 301 such as a tension spring disposed between the locking cap 12 and the outer end wall of the first locking channel 201, which can achieve automatic restoring of the locking member 1.

As shown in fig. 8, in some embodiments, the inner end of the locking shaft 11 is provided as a docking portion 111, the second locking channel 301 includes a docking channel 3011 configured to match the shape of the docking portion 111, and the distance between the outer peripheral wall of the docking portion 111 and the axis of the locking shaft 11 gradually decreases from the end close to the locking cap 12 to the end far from the locking cap 12, and the distance between the docking channel 3011 and the axis of the locking shaft 11 gradually decreases from the end close to the locking cap 12 to the end far from the locking cap 12, so as to facilitate guiding the locking shaft 11 to extend into the docking channel 3011 to dock with the docking channel 3011.

As shown in fig. 9 to 11, as another embodiment of the present utility model, there is also disclosed a running machine including a handrail stand 200, a runway frame 300, and a locking device 100 of the previous embodiment, wherein the runway frame 300 includes a runway main frame 7 and a locking bracket 8 connected to the runway main frame 7 and disposed at an outer side of the runway main frame 7, the locking bracket 8 includes a first frame plate 81 disposed in parallel with an outer side of the runway main frame 7, and a rotation shaft 4 is connected to the handrail stand 200 and the first frame plate 81, so that connection is facilitated, and the runway main frame 7 and the locking bracket 8 can be separately subjected to a demolding process, so that production is facilitated. The outside of first frame plate 81 is provided with positioning frame plate 811, and handrail stand 200 offsets with positioning frame plate 811 when being in the state of expanding, conveniently accurately fixes a position handrail stand 200 to the state of expanding, and the convenience is arranged first locking passageway 201 and second locking passageway 301 on same straight line accurately to be favorable to locking piece 1 to remove to its inner and stretch into in the second locking passageway 301, the convenience is locked.

In some embodiments, the rotation shaft 4 is disposed near the bottom end of the armrest pillar 200, the first locking channel 201 and the positioning frame plate 811 are disposed between the rotation shaft 4 and the bottom end of the armrest pillar 200, and the first locking channel 201 is disposed between the rotation shaft 4 and the positioning frame plate 811, the positioning frame plate 811 is disposed rearward of the armrest pillar 200, and is capable of abutting against the rearward side of the armrest pillar 200 when the armrest pillar 200 is in the deployed state. As one embodiment of the present utility model, the positioning frame plate 811 is configured in an L-shaped structure, and includes a first positioning plate capable of abutting against the rear side of the armrest pillar 200 and a second positioning plate connected to the first positioning plate and capable of abutting against the outer side of the armrest pillar 200, so that the armrest pillar 200 can be accurately positioned in the unfolded state, and at the same time, the armrest pillar 200 can be prevented from deflecting outwards relative to the runway frame 300, and the stability of the connection of the armrest pillar 200 relative to the runway frame 300 can be improved.

In some embodiments, the locking bracket 8 further includes two second frame plates 82 vertically connected to the inner side of the first frame plate 81, the second frame plates 82 are respectively connected to the outer side and the bottom side of the runway main frame 7, the first frame plates 81 are arranged at intervals on the outer side of the runway main frame 7 after connection, a second channel member 302 is further connected between the runway main frame 7 and the first frame plates 81, and the second channel member 302 is arranged between the two second frame plates 82, so that the connection between the locking bracket 8 and the runway main frame 7 can be enhanced. The second locking channel 301 is disposed in the second channel member 302, the armrest pillar 200 is connected to the first channel member 204, and the first locking channel 201 is disposed in the first channel member 204. The armrest upright post 200, the runway main frame 7, the first channel piece 204 and the second channel piece 302 can be independently subjected to demolding processing, and the production is convenient. Of course, in other embodiments, more second shelves may be provided to further enhance the stability of the connection between the locking bracket 8 and the runway body 7.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model 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 scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

In summary, the foregoing description is only of the preferred embodiments of the present utility model, and all equivalent changes and modifications made in accordance with the claims should be construed to fall within the scope of the utility model.

Claims (10)

1. A locking device for an armrest column rotatably connected to a runway frame via a rotation shaft and capable of rotating to a folded or unfolded state relative to the runway frame, the locking device comprising:

The locking piece is movably arranged in a first locking channel arranged on the handrail upright post, a second locking channel is arranged on the runway frame body, the second locking channel is opposite to the first locking channel when the handrail upright post rotates to an unfolding state, and the locking piece can move to a locking position where the inner end of the locking piece is in butt joint with the second locking channel and an unlocking position separated from the second locking channel along the length direction of the first locking channel;

the spanner piece is rotatably connected to one side, far away from the runway frame body, of the armrest upright post through a connecting shaft and is used for pushing the locking piece to move towards the direction of the second locking channel until the inner end of the locking piece stretches into the second locking channel;

And the reset piece is arranged between the locking piece and the inner side of the first locking channel and can release an acting force for driving the locking piece to move to be separated from the second locking channel in the direction away from the second locking channel.

2. The locking device of claim 1, wherein: the wrench comprises a holding part and a rotating wheel part connected with one end of the holding part, the connecting shaft is connected to the rotating wheel part, the outer surface of the rotating wheel part is provided with a first side face and a second side face, the distance between the first side face and the axis of the connecting shaft is larger than the distance between the second side face and the axis of the connecting shaft, the first side face abuts against the outer end face of the locking part when the locking part is in a locking position, and the second side face abuts against the outer end face of the locking part when the wrench is in an unlocking position.

3. The locking device of claim 2, wherein: the first side face is arranged on the inner side of the holding part, and the length direction of the holding part is arranged along the longitudinal direction of the handrail upright post when the locking piece is at the locking position.

4. The locking device of claim 2, wherein: the wrench comprises a handle stand column, and is characterized in that a wrench base is arranged on one side, far away from a runway frame body, of the handle stand column, the wrench base comprises at least two first base plates which are arranged along the length direction of the handle stand column, two adjacent first base plates are arranged at intervals to form a wrench groove for a wrench part to move inside, a first shaft hole is formed in the first base plates in a penetrating mode, a second shaft hole is formed in the holding portion in a penetrating mode, and the holding portion and the wrench base are rotatably connected through a connecting shaft extending into the first shaft hole and the second shaft hole.

5. The locking device of claim 4, wherein: the wrench base further comprises a second base plate connected between the inner ends of the two adjacent first base plates, a runner channel capable of allowing the runner part to penetrate into the runner channel is arranged on the second base plate in a penetrating mode, the runner channel is arranged on the outer side of the first locking channel, the second base plate surrounds the wrench groove with the two adjacent first base plates, and the second base plate is detachably connected with the handrail upright post through a connecting piece.

6. The locking device of claim 5, wherein: the two ends of the connecting shaft are respectively provided with a first limiting part and a second limiting part, the first limiting parts and/or the second limiting parts are detachably connected with the connecting shaft, one of the two adjacent arrangement substrates is provided with a first sinking groove for accommodating the first limiting parts from the side far away from the wrench groove in an inward sinking manner, and the other one of the two adjacent arrangement substrates is provided with a second sinking groove for accommodating the second limiting parts from the side far away from the wrench groove in an inward sinking manner.

7. The locking device of claim 2, wherein: the locking piece includes the locking axle and connects the locking cap at the locking axle outer end, the protruding periphery setting of locking axle of locking cap, the inner wall of first locking passageway radially protruding being equipped with spacing flange towards the axis of locking axle, wear to be equipped with on the spacing flange and supply the locking axle inner to stretch out the inboard locking axle passageway of handrail stand, the inner of locking axle can dock with the second locking passageway relatively, reset piece cover is established in the outside of locking axle and reset piece's both ends offset with locking cap and spacing flange respectively, can release one and promote the thrust that the locking piece moved towards keeping away from second locking passageway direction.

8. The locking device of claim 7, wherein: the inner end of the locking shaft is provided with a butt joint part, the second locking channel comprises a butt joint channel which is matched with the shape of the butt joint part, the distance between the peripheral wall of the butt joint part and the axis of the locking shaft is gradually reduced from one end close to the locking cap to one end far away from the locking cap, and the distance between the butt joint channel and the axis of the locking shaft is gradually reduced from one end close to the locking cap to one end far away from the locking cap.

9. A treadmill, characterized in that: the locking device comprises an armrest upright post, a runway frame body and the locking device according to any one of claims 1-8, wherein the runway frame body comprises a runway main frame and a locking bracket connected with the runway main frame and arranged on the outer side of the runway main frame, the locking bracket comprises a first frame plate arranged in parallel with the outer side of the runway main frame, the rotating shaft is connected to the armrest upright post and the first frame plate, a positioning frame plate is arranged on the outer side of the first frame plate, and the armrest upright post is propped against the positioning frame plate when in a unfolded state.

10. The treadmill of claim 9, wherein: the rotating shaft is arranged near the bottom end of the armrest upright post, the first locking channel and the positioning frame plate are arranged between the rotating shaft and the bottom end of the armrest upright post, the first locking channel is arranged between the rotating shaft and the positioning frame plate, and the positioning frame plate is arranged at the rear side of the armrest upright post and can prop against the rear side of the armrest upright post when the armrest upright post is in a unfolded state;

The locking support is characterized by further comprising at least two second frame plates which are vertically connected to the inner side of the first frame plate, the second frame plates are respectively connected with the outer side and the bottom side of the runway main frame, the first frame plates are arranged on the outer side of the runway main frame at intervals after connection, a second channel piece is further connected between the runway main frame and the first frame plates, the second locking channel is arranged in the second channel piece, a first channel piece is connected to the armrest upright post, and the first locking channel is arranged in the first channel piece.