CN220989537U - Armrest protection structure of running machine - Google Patents

Abstract

A handrail protection structure of a running machine comprises a counterweight box, a counterweight block, a guide sleeve, a locating pin, an elastic piece and a pull rope; the counterweight box is obliquely arranged on a running table of the running machine, and the counterweight block is movably arranged in the counterweight box; the guide sleeve is arranged on one side edge of the running table of the running machine, which is close to the handrail; the locating pin can pass through the guide sleeve in a reciprocating manner and is close to the opening end of the handrail, and the elastic piece is arranged between one end of the locating pin, which is far away from the handrail, and the guide sleeve; one end of the pull rope is connected with the locating pin, and the other end of the pull rope is connected with the balancing weight; when the running platform of the running machine is horizontally placed, the balancing weight is slidably positioned at a first position in the balancing weight box, which is close to the bottom surface of the running platform; when the running table of the running machine is vertically placed, the balancing weight is slidingly positioned at a second position in the balancing weight box, which is close to the bottom direction of the running table when the running table is vertically placed; the counterweight is arranged at the first position and the second position of the counterweight box along with the change of the horizontal and vertical states of the running platform of the running machine, and the positioning pin can be controlled to be in an extending or contracting state, so that the operation of rapidly limiting or releasing the handrail is realized.

Description

Armrest protection structure of running machine

Technical Field

The utility model relates to the technical field of treadmills, in particular to a handrail protection structure of a treadmill.

Background

With the continuous improvement of the living standard of people, the pursuit of physical health for people is increasingly intensified. Running machines are becoming popular as common and practical exercise equipment. When the existing running machine is used, handrails are arranged for protecting the safety of users, and the handrails of the existing running machine are of a foldable structure for convenient transportation, use and storage.

However, in order to save the storage space, the existing running machine is usually placed against a wall, so that the handrail falls down, which is easy to injure the user or damage the running machine; therefore, the handrail of the existing running machine is generally provided with a handrail folding and fixing structure, for example, a knob type structure is adopted, the knob type structure is folded and erected, the knob is unscrewed firstly, then the knob is screwed, the operation is troublesome, and the use is inconvenient; or a foldable running machine as disclosed in chinese patent CN202021992177.1, which requires the operation of the upright post and the connector block and the control of tightening or loosening of the locking member to fix or release the handrail, the operation is extremely inconvenient and laborious.

Disclosure of utility model

The utility model aims to provide a handrail protection structure of a running machine, which has the advantages of automatically and conveniently fixing a handrail and ensuring the safety of the handrail not to fall down.

In order to achieve the above object, the solution of the present utility model is:

A handrail protection structure of a running machine comprises a counterweight box, a counterweight block, a guide sleeve, a locating pin, an elastic piece and a pull rope;

The counterweight box is obliquely arranged on a running table of the running machine, and the counterweight block is movably arranged in the counterweight box;

The guide sleeve is arranged on one side edge of the running platform of the running machine, which is close to the handrail, and is perpendicular to a plane where the movement direction of the handrail is located;

The locating pin can be movably penetrated through the guide sleeve in a reciprocating manner and is close to the opening end of the handrail, and the elastic piece is arranged between one end of the locating pin, which is far away from the handrail, and the guide sleeve;

One end of the pull rope penetrates through the guide sleeve and is connected with the positioning pin, and the other end of the pull rope penetrates through the counterweight box and is connected with the counterweight;

When the running platform of the running machine is horizontally placed, the balancing weight is slidably positioned at a first position in the balancing weight box, which is close to the bottom surface of the running platform, and the pull rope is pulled tightly to drive the positioning pin to extrude the elastic piece to shrink in the guide sleeve;

When the running platform of the running machine is vertically placed, the balancing weight is slidably positioned at a second position in the balancing weight box, which is close to the bottom direction of the running platform when the running platform is vertically placed, and the release pull rope is propped against the positioning pin by the elastic piece to extend out of the guide sleeve so as to clamp the folded handrail.

Further, the hinged end of the handrail and the running platform is positioned at the head position of the running platform, and the counterweight box is arranged at the inner side of the side edge of the head position of the running platform; the guide sleeve is arranged on the top surface of the side edge, the moving direction of the locating pin and the moving direction of the balancing weight are 90 degrees, and a pulley is arranged between the balancing weight box and the guide sleeve for the pulling rope to pass through in a reversing way.

Further, the end face, close to the second position, of the counterweight box is provided with a rope pulling hole for a pulling rope to pass through, two corresponding connecting lugs are arranged on the outer side of the rope pulling hole of the counterweight box, and the pulley is arranged between the connecting lugs.

Further, a connecting pipe is arranged on the inner side of the side edge, the counterweight box is locked on the other side of the connecting pipe, and the guide sleeve penetrates through an end mounting hole of the protruding side edge of the connecting pipe; the pulley is located between the end face, close to the second position, of the counterweight box and the guide sleeve.

Further, a movable cavity communicated with the opening end is arranged in the guide sleeve, and the positioning pin penetrates through the movable cavity; the other end of the guide sleeve opposite to the opening end is provided with a pull rope opening communicated with the movable cavity, and the pull rope penetrates through the pull rope opening to be connected with the positioning pin.

Furthermore, the positioning pin is internally provided with positioning perforations with two through ends, the pull rope is fixedly arranged in the positioning perforations in a penetrating way, and the side wall of the positioning pin is provided with a locking hole communicated with the positioning perforations; the side wall of the guide sleeve is provided with a limiting long groove communicated with the movable cavity, and a locking piece penetrates through the limiting long groove and is locked in a lock hole of the positioning pin and locks a pull rope in the positioning perforation; the locking piece moves in the limiting long groove along with the expansion and contraction of the positioning pin.

Furthermore, the elastic piece is a spring, two ends of the spring respectively support against the guide sleeve and the locating pin, and the pull rope penetrates through the spring and then is connected with the locating pin.

Further, the handrail comprises a handrail rod and a handrail limiting plate, the handrail limiting plate and the handrail are coaxially and rotatably arranged at the head part of the running platform, and the handrail limiting plate is arranged close to the side edge; when the armrest is folded, the armrest limiting plate is driven to rotate and then is clamped by the positioning pin.

Further, the running platform is provided with an upper cover and a lower shell, and the upper cover and the lower shell are covered and sealed on the side edges, the handrail limiting plates and the protection structure in an up-down matching mode.

Further, the inner space of the weight box is larger than the volume of the balancing weight, and the end of the first position of the weight box is provided with an opening.

After the technical scheme is adopted, through setting up the balancing weight and along with the level of treadmill running platform and the change of erect state and automatic sliding counter weight in the first position and the second position of counter weight box, steerable locating pin is the state of stretching out or contracting, realize carrying out spacing or release's operation to the handrail fast, avoid the handrail to receive to close in running platform and the running platform erects the random of pasting the handrail when placing of wall, improve the security that the product used to product convenient to use need not to fix the handrail like current structure is as troublesome.

Drawings

FIG. 1 is a perspective view of an embodiment of the present utility model with a treadmill positioned horizontally and an armrest deployed;

FIG. 2 is a perspective view of the treadmill of the embodiment of the present utility model with the armrests deployed and the upper cover and lower housing hidden;

FIG. 3 is an enlarged view at A of FIG. 2;

FIG. 4 is a schematic cross-sectional view of FIG. 3;

FIG. 5 is an exploded view of an embodiment of the present utility model;

FIG. 6 is a perspective view of the running machine in an upright position with the armrests retracted and with the upper cover hidden;

FIG. 7 is an enlarged view at B of FIG. 6;

Fig. 8 is a cross-sectional view of fig. 7.

Description of the reference numerals: the treadmill 100, the protection structure 10, the weight box 1, the first position 11, the second position 12, the stay cord hole 13, the connecting lug 14, the inner space 15, the opening 16, the weight 2, the guide sleeve 3, the open end 31, the movable cavity 32, the stay cord opening 33, the step 34, the limit long groove 35, the positioning pin 4, the positioning perforation 41, the lock hole 42, the elastic member 5, the stay cord 6, the connecting pipe 7, the end mounting hole 71, the pulley 8, the locking member 9, the running board 20, the side 201, the upper cover 202, the lower shell 203, the handrail 30, the handrail 301, the handrail limiting plate 302, the front side 3021, and the rotating shaft 303.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. The components of the embodiments of the present application generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Referring to fig. 1-8, a treadmill 100 and a treadmill handrail guard structure 10 of the present utility model are shown.

Referring to fig. 5, the protection structure 10 includes a weight box 1, a weight 2, a guide sleeve 3, a positioning pin 4, an elastic member 5, and a pull rope 6.

Referring to fig. 3 and 4, the weight box 1 is obliquely installed on the running table 10 of the running machine 100, and the weight block 2 is movably installed in the weight box 1;

The guide sleeve 3 is arranged on one side 201 of the running platform 20 of the running machine 100, which is close to the handrail 30, and is perpendicular to the plane in which the movement direction of the handrail 30 is located;

the positioning pin 4 can pass through the guide sleeve 3 in a reciprocating manner and is close to the opening end 31 of the handrail 30, and the elastic piece 5 is arranged between one end of the positioning pin 4, which is far away from the handrail 30, and the guide sleeve 3;

One end of the pull rope 6 passes through the guide sleeve 3 and is connected with the positioning pin 4, and the other end passes through the counterweight box 1 and is connected with the counterweight 2;

As shown in fig. 3, when the running platform 20 of the running machine 100 is horizontally placed, the balancing weight 2 is slidably located at a first position 11 in the balancing weight box 1 near the bottom surface of the running platform 20, and the pull rope 6 is pulled tightly to drive the positioning pin 4 to squeeze the elastic piece 5 to retract in the guide sleeve 3;

As shown in fig. 6 to 8, when the running platform 20 of the running machine 100 is vertically placed, the balancing weight 2 is slidably located at a second position 12 in the weight box 1 near the bottom direction of the running platform 20 when vertically placed, and the release pull rope 6 is abutted against the positioning pin 4 by the elastic piece 5 to extend out of the guide sleeve 3 so as to clamp the folded handrail 30.

By this, through setting up balancing weight 2 and pulling locating pin 4 and reciprocating sliding, when treadmill 100 is placed horizontally, balancing weight 2 falls automatically and locates at first position 11 of the bottom of the oblique counter weight box 1 under the action of gravity, balancing weight 2 strain stay cord 6 make locating pin 4 squeeze shrinkage of elastic component 5 in guide sleeve 3 at this moment, do not interfere normal deployment and folding up of handrail 30; when the running machine 100 is used and is to be stored and placed vertically, the armrests 30 are firstly placed and attached to the running platform 20, the two armrests 30 are respectively close to the outer sides of the side edges 201 at two sides of the running platform 20, then the running platform 20 and the folded armrests 30 are erected together, at the moment, the second position 12 of the top of the inclined counterweight box 1 becomes the downward bottom, that is, the second position 12 is close to the bottom direction of the running platform 20 when the running platform is erected, the counterweight 2 automatically falls down to the second position 12 under the action of gravity, so that the pull rope 6 is released, the positioning pin 4 can extend out of the guide sleeve 3 under the action of the elastic piece 5 and can be clamped to the armrests 30, the armrests 30 are prevented from being accidentally inclined and unfolded, and the protection and limiting operation of the armrests 30 is automatically and rapidly realized. Therefore, by arranging the weight block 2 to automatically slide the weight at the first position 11 and the second position 12 of the weight box 1 according to the horizontal and vertical states of the running table 20 of the running machine 100, the positioning pin 4 can be controlled to be in an extended or contracted state, so that the operation of rapidly limiting or releasing the handrail 30 is realized.

As shown in fig. 2 and 5, in the present embodiment, the hinged end of the handrail 30 and the running platform 20 is located at the head position of the running platform 20, the handrail 30 includes a handrail rod 301 and a handrail limiting plate 302, the handrail limiting plate 302 and the handrail 30 are coaxially connected to a rotating shaft 303, the rotating shaft 303 is disposed at the head position of the running platform 20 in a transverse direction, and the handrail limiting plate 302 is disposed proximate to the side edge 201; as shown in fig. 7 and 8, when the armrest 30 is folded, the armrest limiting plate 302 is driven to rotate and then is blocked by the positioning pin 4, that is, the front side 3021 of the armrest limiting plate 302 is blocked by the side of the positioning pin 4 extending out of the guide sleeve 3 and the side 201.

In this embodiment, the two side armrests 30 are coaxially connected to the same shaft 303, so that only one side 201 of the two side armrests corresponds to one armrest 30 and is provided with one protection structure 10.

As shown in fig. 3 and 4, the weight box 1 is disposed inside a side 201 at the head of the running platform 20, a connecting pipe 7 is disposed inside the side 201, the weight box 1 is locked on the other side of the connecting pipe 7, the guide sleeve 3 is disposed through an end mounting hole 71 protruding from the side 201 of the connecting pipe 7 and is disposed on the top surface of the side 201, the moving direction of the positioning pin 4 and the moving direction of the balancing weight 2 are 90 degrees, and a pulley 8 is disposed between the weight box 1 and the guide sleeve 3 for the pull rope 6 to pass through in a reversing manner. Specifically, the end surface of the weight box 1 near the second position 12 is provided with a pull rope hole 13 for the pull rope 6 to pass through, two corresponding connecting lugs 14 are arranged on the outer side of the pull rope hole 13 of the weight box 1, and the pulley 8 is arranged between the connecting lugs 14. The counterweight box 1 and the guide sleeve 3 are integrated by the connecting pipe 7, thereby facilitating the production and assembly operations.

The inner space 15 of the weight box 1 is larger than the volume of the weight block 2, and the end part of the weight box 1 at the first position 11 of the weight box 1 is provided with an opening 16, so that the weight block 2 can be conveniently moved and assembled.

As shown in fig. 4, the guide sleeve 3 is internally provided with a movable cavity 32 communicated with an open end 31, and the positioning pin 4 is arranged in the movable cavity 32 in a penetrating way; the other end of the guide sleeve 3 opposite to the opening end 31 is provided with a pull rope opening 33 communicated with the movable cavity 32, the inner diameter of the pull rope opening 33 is smaller than that of the movable cavity 32, a step part 34 is formed between the pull rope opening 33 and the movable cavity 32, the elastic piece 5 can be a spring, and two ends of the spring respectively prop against the step part 34 and the positioning pin 4 in the guide sleeve 3, so that the pull rope 6 can pass through the pull rope opening 33 and then pass through the spring to be connected with the positioning pin 4.

In this embodiment, the positioning pin 4 has a positioning hole 41 penetrating through both ends, and the pull cord 6 is inserted into the positioning hole 41.

Specifically, the side wall of the positioning pin 4 is provided with a locking hole 42 communicated with the positioning perforation 41; the side wall of the guide sleeve 3 is provided with a limiting long groove 35 which is communicated with the movable cavity 32, and a locking piece 9 is arranged to pass through the limiting long groove 35 and then is locked in a lock hole 42 of the positioning pin 4 and locks the pull rope 6 in the positioning perforation 41; the locking member 9 moves in the limit groove 35 in response to the expansion and contraction of the positioning pin 4.

The pull rope 6 can also be knotted and fixed after penetrating through the positioning perforation 41.

Referring to fig. 1 and 4, the running block 20 of the running machine 100 of the present embodiment has an upper cover 202 and a lower shell 203, and the upper cover 202 and the lower shell 203 are covered and sealed by the side 201, the handrail limiting plate 302 and the protection structure 10 in an up-down fit manner. To protect the protective structure 10.

In summary, according to the present utility model, by arranging the counterweight 2 to automatically slide between the first position 11 and the second position 12 of the counterweight box 1 along with the change of the horizontal and vertical states of the running table 20 of the running machine 100, the positioning pin 4 can be controlled to be in an extended or contracted state, so as to realize the operation of rapidly limiting or releasing the handrail 30, avoid the handrail 30 from being folded on the running table 20, and prevent the handrail 30 from random dumping when the running table 20 is vertically placed against a wall, thereby improving the safety of product use and facilitating product use.

The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that equivalent changes and modifications can be made by those skilled in the art without departing from the principles of the present utility model, which still falls within the scope of the present utility model.

In the description of the embodiments of the present application, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship conventionally put in place when the application product is used, or the orientation or positional relationship conventionally understood by those skilled in the art is merely for convenience of describing the present application and simplifying the description, and is not indicative or implying that the apparatus or element in question must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.

Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" and "a number" means two or more, unless specifically defined otherwise.

In the description of the embodiments of the present application, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically connected, electrically connected or can be communicated with each other; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.

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, as well as the first and second features not being in direct contact but being in contact with each other through 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.

The above disclosure provides many different embodiments, or examples, for implementing different structures of the application. The foregoing description of specific example components and arrangements has been presented to simplify the present disclosure. They are, of course, merely examples and are not intended to limit the application. Furthermore, the present application may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed.

In addition, the present application provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.

Claims (10)

1. The utility model provides a treadmill handrail protective structure which characterized in that:

Comprises a counterweight box, a counterweight block, a guide sleeve, a locating pin, an elastic piece and a pull rope;

The counterweight box is obliquely arranged on a running table of the running machine, and the counterweight block is movably arranged in the counterweight box;

The guide sleeve is arranged on one side edge of the running platform of the running machine, which is close to the handrail, and is perpendicular to a plane where the movement direction of the handrail is located;

The locating pin can be movably penetrated through the guide sleeve in a reciprocating manner and is close to the opening end of the handrail, and the elastic piece is arranged between one end of the locating pin, which is far away from the handrail, and the guide sleeve;

One end of the pull rope penetrates through the guide sleeve and is connected with the positioning pin, and the other end of the pull rope penetrates through the counterweight box and is connected with the counterweight;

When the running platform of the running machine is horizontally placed, the balancing weight is slidably positioned at a first position in the balancing weight box, which is close to the bottom surface of the running platform, and the pull rope is pulled tightly to drive the positioning pin to extrude the elastic piece to shrink in the guide sleeve;

When the running platform of the running machine is vertically placed, the balancing weight is slidably positioned at a second position in the balancing weight box, which is close to the bottom direction of the running platform when the running platform is vertically placed, and the release pull rope is propped against the positioning pin by the elastic piece to extend out of the guide sleeve so as to clamp the folded handrail.

2. The treadmill handrail guard of claim 1, wherein: the hinged end of the handrail and the running platform is positioned at the head position of the running platform, and the counterweight box is arranged at the inner side of the side edge of the head position of the running platform; the guide sleeve is arranged on the top surface of the side edge, the moving direction of the locating pin and the moving direction of the balancing weight are 90 degrees, and a pulley is arranged between the balancing weight box and the guide sleeve for the pulling rope to pass through in a reversing way.

3. The treadmill handrail guard of claim 2, wherein: the end face of the counterweight box, which is close to the second position, is provided with a rope pulling hole for a pull rope to pass through, and two corresponding connecting lugs are arranged on the outer side of the rope pulling hole of the counterweight box, and the pulley is arranged between the connecting lugs.

4. The treadmill handrail guard of claim 2, wherein: the inner side of the side edge is provided with a connecting pipe, the counterweight box is locked on the other side of the connecting pipe, and the guide sleeve penetrates through an end mounting hole of the protruding side edge of the connecting pipe; the pulley is located between the end face, close to the second position, of the counterweight box and the guide sleeve.

5. The treadmill handrail guard of claim 1, wherein: the guide sleeve is internally provided with a movable cavity communicated with the opening end, and the positioning pin penetrates through the movable cavity; the other end of the guide sleeve opposite to the opening end is provided with a pull rope opening communicated with the movable cavity, and the pull rope penetrates through the pull rope opening to be connected with the positioning pin.

6. The treadmill handrail guard of claim 5, wherein: the positioning pin is internally provided with positioning perforations with two through ends, the pull rope is fixedly arranged in the positioning perforations in a penetrating way, and the side wall of the positioning pin is provided with a locking hole communicated with the positioning perforations; the side wall of the guide sleeve is provided with a limiting long groove communicated with the movable cavity, and a locking piece penetrates through the limiting long groove and is locked in a lock hole of the positioning pin and locks a pull rope in the positioning perforation; the locking piece moves in the limiting long groove along with the expansion and contraction of the positioning pin.

7. The treadmill handrail guard of claim 1, wherein: the elastic piece is a spring, two ends of the spring respectively support against the guide sleeve and the locating pin, and the pull rope penetrates through the spring and then is connected with the locating pin.

8. The treadmill handrail guard of claim 1, wherein: the handrail comprises a handrail rod and a handrail limiting plate, the handrail limiting plate and the handrail are coaxially and rotatably arranged at the head part of the running platform, and the handrail limiting plate is arranged close to the side edge; when the armrest is folded, the armrest limiting plate is driven to rotate and then is clamped by the positioning pin.

9. The treadmill handrail guard of claim 8, wherein: the running platform is provided with an upper cover and a lower shell, and the upper cover and the lower shell are covered and sealed on the side edges in an up-down matching manner, and the handrail limiting plate and the protection structure are arranged.

10. The treadmill handrail guard of claim 1, wherein: the inner space of the weight box is larger than the volume of the weight block, and the end of the first position of the weight box is provided with an opening.