CN219579808U

CN219579808U - Folding locking structure of handrail vertical pipe and running table of running machine

Info

Publication number: CN219579808U
Application number: CN202321055354.7U
Authority: CN
Inventors: 曹进涛
Original assignee: Ningbo Hurricane Industrial Design Co ltd
Current assignee: Ningbo Hurricane Industrial Design Co ltd
Priority date: 2023-05-04
Filing date: 2023-05-04
Publication date: 2023-08-25
Anticipated expiration: 2033-05-04

Abstract

The utility model provides a folding locking structure of a handrail vertical pipe and a running table of a running machine, which comprises the handrail vertical pipe, the running table, a fixed shaft, a pressing block and a locking plate, wherein the fixed shaft is connected to the side surface of the running table, one end of the handrail vertical pipe is sleeved on the fixed shaft and is in rotary fit with the fixed shaft, the locking plate is fixedly connected with the handrail vertical pipe, the pressing block is hinged with the locking plate, the rotation axis of the pressing block is parallel to the axis of the fixed shaft, a pressing part is arranged on the pressing block, the fixed shaft is positioned on the rotation path of the pressing part, a pressing surface matched with the pressing part is arranged on the peripheral wall of the fixed shaft, and a locking mechanism is arranged between the locking plate and the pressing block and used for enabling the locking plate and the pressing block to be mutually locked when the pressing part is pressed on the pressing surface. The utility model uses the matching structure between the pressing part and the pressing surface and the locking of the locking mechanism to the locking plate and the pressing block, thereby realizing the mutual locking/unlocking of the handrail vertical pipe and the running table, saving unnecessary axial movement space and being beneficial to the packaging and transportation of the running machine.

Description

Folding locking structure of handrail vertical pipe and running table of running machine

Technical Field

The utility model belongs to the technical field of body-building equipment, and particularly relates to a folding locking structure of a handrail vertical pipe and a running table of a running machine.

Background

Along with the importance of people on health, more and more people are added into the line of body building, and the running machine becomes necessary equipment of a gymnasium, many families can prefer the running machine when buying body building equipment, and in addition, the household running machine adopts a foldable structure in order to reduce the occupied area.

In the prior art, some foldable structures of armrests lock/unlock the armrests by adopting a latch-slot locking/unlocking structure, for example, the utility model patent with the publication number of CN216456706U is provided with a limiting sleeve and a shaft sleeve, the shaft sleeve is provided with a limiting part, and the limiting sleeve is provided with a stepped groove, so that the limiting sleeve can move in the stepped groove, and further the armrests are folded and unfolded. The handrail folding mechanism of the running machine with the structure still has the following problems in practical use: because of the need of providing axial movement space for each component, the axial length of the folding mechanism is longer, and the folding mechanism is arranged at two sides of the width direction of the running platform, so that the transverse width of the whole running platform is enlarged, and the packaging and the transportation are not facilitated.

Disclosure of Invention

The utility model aims to provide a folding and locking structure of a handrail vertical pipe and a running table of a running machine, which is used for solving the problem that the axial length of the handrail folding mechanism of the existing running machine is longer.

In order to solve the technical problems, the utility model provides a folding locking structure of a handrail vertical pipe and a running table of a running machine, which comprises the handrail vertical pipe, the running table, a fixed shaft, a pressing block and a locking plate, wherein the fixed shaft is connected to the side surface of the running table, one end of the handrail vertical pipe is sleeved on the fixed shaft and is in running fit with the fixed shaft, the locking plate is fixedly connected with the handrail vertical pipe, the pressing block is hinged with the locking plate, the rotating axis of the pressing block is parallel to the axis of the fixed shaft, a pressing part is arranged on the pressing block, the fixed shaft is positioned on the rotating path of the pressing part, the periphery wall of the fixed shaft is provided with a pressing surface matched with the pressing part, and a locking mechanism is arranged between the locking plate and the pressing block and is used for locking the locking plate and the pressing block when the pressing part is pressed on the pressing surface.

Compared with the prior art, the utility model has the advantages that: according to the utility model, through additionally arranging the pressing block and the locking plate, the mutual locking/unlocking of the handrail vertical pipe and the running table is realized by utilizing the matching structure between the pressing part and the pressing surface arranged on the peripheral wall of the fixed shaft and the locking of the locking plate and the pressing block by the locking mechanism, so that the axial movement of each part in the folding locking structure is avoided, the unnecessary axial movement space is saved, and the axial length of the folding locking structure can be controlled within a smaller range, thereby being beneficial to the packaging and transportation of the running machine.

The utility model relates to a folding locking structure of a handrail vertical pipe and a running table of a running machine, wherein a locking plate, a pressing block and a locking mechanism are all arranged in a rotation plane of the handrail vertical pipe. The structure can further reduce the axial width of the folding locking structure, and further control the axial occupied space of the folding locking structure, thereby being more beneficial to the packaging and transportation of the running machine.

The utility model relates to a folding locking structure of a handrail vertical pipe and a running table of a running machine, wherein the handrail vertical pipe comprises a vertical pipe body and a shaft sleeve, one end of the vertical pipe body is connected to the peripheral wall of the shaft sleeve, the shaft sleeve is sleeved on a fixed shaft and is in rotary fit with the fixed shaft, a slot for a pressing part to enter is formed in the peripheral wall of the shaft sleeve, and a pressing surface is exposed in the slot. The structure can further reduce the axial width of the folding locking structure, and further control the axial occupied space of the folding locking structure, thereby being more beneficial to the packaging and transportation of the running machine.

The utility model relates to a folding locking structure of a running machine handrail vertical pipe and a running table, wherein one end of the side wall of a vertical pipe body is provided with an opening, a slot is arranged towards the vertical pipe body, the opening is communicated with the slot through a hollow cavity of the vertical pipe body, a pressing part penetrates through the opening and stretches into the hollow cavity of the vertical pipe body, a locking plate is arranged along the length direction of the vertical pipe body, one end of the locking plate is fixedly connected with the peripheral wall of a shaft sleeve, a locking mechanism is positioned at the other end of the locking plate, a containing cavity is arranged on a pressing block, and the locking plate is rotatably positioned in the containing cavity and hinged with the side wall of the containing cavity through a pin shaft. The structure is compact in structure, and can effectively reduce the occupied space of the folding locking structure, so that the folding locking structure is more beneficial to the packaging and transportation of the running machine, has good use stability, and can effectively ensure the long-term normal use of the folding locking structure.

The utility model relates to a folding locking structure of a handrail vertical pipe and a running table of a running machine, wherein a locking mechanism comprises a locking block and a reset spring, a locking block pressing block is in sliding fit, the reset spring is connected between the locking block and the pressing block, a clamping groove for inserting one end of the locking block is formed in a locking plate, when a pressing part is pressed on a pressing surface, the clamping groove is positioned on a sliding path of the locking block, and one end of the locking block is inserted into the clamping groove through the elasticity of the reset spring. The locking mechanism is simple in structure, locking/unlocking can be realized through one-hand operation, and a user can use the running machine conveniently.

The utility model relates to a folding locking structure of a handrail vertical pipe and a running table of a running machine, wherein the locking structure further comprises a deflector rod, the deflector rod and a locking block are respectively positioned at two sides of a pressing block, a long hole is formed in the pressing block along the sliding direction of the locking block, a spring seat is arranged on the deflector rod, the spring seat penetrates through the long hole to be fixedly connected with the locking block, and a reset spring is arranged in the long hole and is connected between one end of the long hole and the spring seat. The locking mechanism is simple in structure and convenient to assemble, can be further convenient for a user to operate by one hand to realize locking/unlocking, and is convenient for the user to use the running machine.

The utility model relates to a folding locking structure of a handrail vertical pipe and a running table of a running machine, wherein a limiting strip protruding out of a pressing part is arranged on the pressing part, a limiting groove for inserting the limiting strip is arranged on a pressing surface, and the limiting strip and the limiting groove extend along the axis of a fixed shaft. The locking stability between briquetting and the fixed axle can be further promoted to above-mentioned structure, avoids supporting to press the portion and supporting to press and appear relative slip between the face, and then when the handrail uses, can effectively avoid the handrail riser to run the condition emergence that the platform was rocked with the circumference angle between the platform to effectively promote user's use comfort.

The utility model relates to a folding locking structure of a handrail vertical pipe and a running table of a running machine, which further comprises a limiting ring, wherein the limiting ring is sleeved on a fixed shaft and is fixedly connected to the side wall of the running table, an arc-shaped groove is formed in the limiting ring, the arc-shaped groove and the fixed shaft are coaxially arranged, a limiting column is arranged on the side wall of the handrail vertical pipe, and one end of the limiting column is positioned in the arc-shaped groove. The structure can effectively control the rotation angle of the armrest riser, thereby not only facilitating the folding and unfolding of the armrest riser, but also effectively avoiding the occurrence of collision between the armrest riser and foreign objects due to overlarge rotation angle of the armrest riser.

According to the folding locking structure of the handrail vertical pipe and the running table of the running machine, when the limiting column is propped against one end of the circular arc-shaped groove, the propping part can be propped against the propping surface. The structure not only can further facilitate the use of the folding locking structure, but also can further avoid the occurrence of the condition of small-angle circumferential shaking between the handrail vertical pipe and the running platform when the handrail is used, thereby effectively improving the use comfort of a user.

According to the folding locking structure of the handrail vertical pipe and the running table of the running machine, one end of the fixed shaft is fixedly connected with the running table, the other end of the fixed shaft is connected with the limiting clamp spring, and one side of the limiting clamp spring is propped against one side of the handrail vertical pipe away from the running table. The structure can be greatly convenient for the disassembly and assembly of the handrail vertical pipe and the running table, thereby effectively improving the production efficiency and maintenance of the running machine.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a cross-sectional view of the present utility model;

FIG. 3 is a partial exploded view of the present utility model;

FIG. 4 is a schematic perspective view of a treadmill employing the folding locking structure of the handrail riser and the treadmill of the present utility model;

in the figure, 1, a running table; 2. a fixed shaft; 3. briquetting; 4. a lock plate; 5. a pressing part; 6. a pressing surface; 7. a riser body; 8. a shaft sleeve; 9. slotting; 10. an opening; 11. a hollow cavity; 12. a receiving chamber; 13. a pin shaft; 14. a locking piece; 15. a return spring; 16. a clamping groove; 17. a deflector rod; 18. an elongated aperture; 19. a spring seat; 20. a guide structure; 21. a limit bar; 22. a limit groove; 23. a limiting ring; 24. a circular arc-shaped groove; 25. a limit column; 26. and (5) limiting the snap springs.

Detailed Description

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

As shown in fig. 1-3, the utility model discloses a folding locking structure of a handrail vertical pipe and a running table of a running machine, which comprises the handrail vertical pipe, the running table 1, a fixed shaft 2, a pressing block 3 and a locking plate 4, wherein the fixed shaft 2 is connected to the side surface of the running table 1, one end of the handrail vertical pipe is sleeved on the fixed shaft 2 and is in running fit with the fixed shaft 2, the locking plate 4 is fixedly connected with the handrail vertical pipe, the pressing block 3 is hinged with the locking plate 4, the rotation axis of the pressing block 3 is parallel to the axis of the fixed shaft 2, a pressing part 5 is arranged on the pressing block 3, the fixed shaft 2 is positioned on the rotation path of the pressing part 5, a pressing surface 6 matched with the pressing part 5 is arranged on the peripheral wall of the fixed shaft 2, and a locking mechanism is arranged between the locking plate 4 and the pressing block 3 and is used for locking the locking plate 4 and the pressing block 3 when the pressing part 5 is pressed against the pressing surface 6. According to the utility model, through additionally arranging the pressing block 3 and the locking plate 4, the mutual locking/unlocking of the handrail vertical pipe and the running table 1 is realized by utilizing the matching structure between the pressing part 5 and the pressing surface 6 arranged on the peripheral wall of the fixed shaft 2 and the locking of the locking mechanism to the locking plate 4 and the pressing block 3, the axial movement of each part in the folding locking structure is avoided, the unnecessary axial movement space is saved, and the axial length of the folding locking structure can be controlled in a smaller range, so that the packaging and the transportation of the running machine are facilitated.

Preferably, the locking plate 4, the pressing block 3 and the locking mechanism are all arranged in the rotation plane of the armrest riser. The structure can further reduce the axial width of the folding locking structure, and further control the axial occupied space of the folding locking structure, thereby being more beneficial to the packaging and transportation of the running machine.

Preferably, the armrest riser comprises a riser body 7 and a shaft sleeve 8, wherein one end of the riser body 7 is connected to the peripheral wall of the shaft sleeve 8, and in the embodiment, one end of the riser body 7 is welded with the peripheral wall of the shaft sleeve 8; the shaft sleeve 8 is sleeved on the fixed shaft 2 and is in running fit with the fixed shaft 2, a slot 9 for the pressing part 5 to enter is formed in the peripheral wall of the shaft sleeve 8, and the pressing surface 6 is exposed in the slot 9. The structure can further reduce the axial width of the folding locking structure, and further control the axial occupied space of the folding locking structure, thereby being more beneficial to the packaging and transportation of the running machine.

An opening 10 is formed in one end of the side wall of the vertical pipe body 7, the slot 9 is arranged towards the vertical pipe body 7, the opening 10 is communicated with the slot 9 through a hollow cavity 11 of the vertical pipe body 7, the pressing part 5 penetrates through the opening 10 and stretches into the hollow cavity 11 of the vertical pipe body 7, the locking plate 4 is arranged along the length direction of the vertical pipe body 7, and preferably, one side of the locking plate 4 is close to the vertical pipe body 7 so as to further improve the compactness of the structure; one end of the lock plate 4 is fixedly connected with the peripheral wall of the shaft sleeve 8, and welding is adopted in the embodiment; the locking mechanism is located the lock plate 4 other end department, is equipped with on the briquetting 3 and holds chamber 12, and lock plate 4 rotationally is located holds chamber 12, and is articulated with the lateral wall that holds chamber 12 through round pin axle 13. The structure is compact in structure, and can effectively reduce the occupied space of the folding locking structure, so that the folding locking structure is more beneficial to the packaging and transportation of the running machine, has good use stability, and can effectively ensure the long-term normal use of the folding locking structure.

Preferably, the locking mechanism comprises a locking block 14 and a return spring 15, the locking block 14 is in sliding fit with the pressing block 3, the return spring 15 is connected between the locking block 14 and the pressing block 3, a clamping groove 16 for inserting one end of the locking block 14 is formed in the locking plate 4, when the pressing part 5 is pressed on the pressing surface 6, the clamping groove 16 is located on the sliding path of the locking block 14, and one end of the locking block 14 is inserted into the clamping groove 16 through the elastic force of the return spring 15. The locking mechanism is simple in structure, locking/unlocking can be realized through one-hand operation, and a user can use the running machine conveniently.

Further, the locking mechanism further comprises a deflector rod 17, the deflector rod 17 and the locking block 14 are respectively positioned at two sides of the pressing block 3, a long hole 18 is formed in the pressing block 3 along the sliding direction of the locking block 14, a spring seat 19 is arranged on the deflector rod 17, and the spring seat 19 penetrates through the long hole 18 to be fixedly connected with the locking block 14, and in the embodiment, a fastener is adopted for connection; the return spring 15 is disposed in the elongated hole 18 and is connected between one end of the elongated hole 18 and the spring seat 19. The locking mechanism is simple in structure and convenient to assemble, can be further convenient for a user to operate by one hand to realize locking/unlocking, and is convenient for the user to use the running machine.

Of course, in order to further facilitate the user operation, a guiding structure 20, such as an arc surface, an inclined surface, etc., is disposed on one end side surface of the locking piece 14 and one side of the locking plate 4, so that when the armrest riser is rotated and unfolded for use, the locking piece 14 can automatically overcome the elastic force of the return spring 15 and automatically insert into the clamping groove 16 by the cooperation of the guiding structure 20 only by pushing the pressing block 3 towards the locking plate 4.

The pressing portion 5 in this embodiment is a plane provided on the pressing block 3, and the pressing surface 6 is a plane milled on the outer peripheral wall of the fixed shaft 2. The structure is simple in structure, convenient to manufacture and stable and reliable in matching structure.

Preferably, the pressing portion 5 is provided with a limiting strip 21 protruding from the pressing portion 5, the pressing surface 6 is provided with a limiting groove 22 into which the limiting strip 21 can be inserted, and the limiting strip 21 and the limiting groove 22 both extend along the axis of the fixed shaft 2. The locking stability between briquetting 3 and the fixed axle can be further promoted to above-mentioned structure, avoids supporting to press portion 5 and supporting to press and appear relative slip between the face 6, and then when the handrail uses, can effectively avoid the handrail riser to run the condition that the platform was rocked with the circumference angle between the platform and take place to effectively promote user's use comfort.

The folding locking structure in this embodiment further comprises a limiting ring 23, the limiting ring 23 is sleeved on the fixed shaft 2 and is fixedly connected to the side wall of the running platform 1, an arc-shaped groove 24 is formed in the limiting ring 23, the arc-shaped groove 24 and the fixed shaft 2 are coaxially arranged, a limiting column 25 is arranged on the side wall of the handrail vertical pipe, one end of the limiting column 25 is located in the arc-shaped groove 24, and the limiting column 25 in this embodiment is connected to one side, close to the running platform 1, of the shaft sleeve 8. The structure can effectively control the rotation angle of the armrest riser, thereby not only facilitating the folding and unfolding of the armrest riser, but also effectively avoiding the occurrence of collision between the armrest riser and foreign objects due to overlarge rotation angle of the armrest riser.

Preferably, when the limit post 25 abuts against one end of the circular arc-shaped groove 24, the abutting portion 5 can abut against the abutting surface 6. The structure not only can further facilitate the use of the folding locking structure, but also can further avoid the occurrence of the condition of small-angle circumferential shaking between the handrail vertical pipe and the running platform when the handrail is used, thereby effectively improving the use comfort of a user.

In addition, one end of the fixed shaft 2 is fixedly connected with the running table 1, and one end of the fixed shaft 2 in the embodiment is inserted into a shaft hole of the running table 1 and welded with the running table 1; the other end of the fixed shaft 2 is connected with a limit clamp spring 26, and one side of the limit clamp spring is propped against one side of the handrail vertical pipe away from the running table. The structure can be greatly convenient for the disassembly and assembly of the handrail vertical pipe and the running table, thereby effectively improving the production efficiency and maintenance of the running machine.

The application method of the folding locking structure of the handrail vertical pipe and the running table of the running machine comprises the following steps: when the handrail is rotated to be opened and used, the shaft sleeve 8 rotates relative to the fixed shaft 2 and drives the vertical pipe body 7 to rotate until the limit post 25 is propped against one end of the circular arc-shaped groove 24, so that the vertical pipe body 7 cannot rotate further, at the moment, one end of the pressing block 3 where the locking mechanism is positioned is pushed towards the direction of the locking plate 4, the pressing block 3 rotates, under the interaction of the guide structure 20, the locking block 14 overcomes the elastic force of the reset spring 15 to enable one end of the locking block to be gradually inserted into the clamping groove 16, when one end of the locking block 14 is completely inserted into the clamping groove 16, the propping part 5 can just prop against the propping surface 6, and the limit bar 21 is completely inserted into the limit groove 22, and at the moment, the folding locking structure completes the mutual locking and fixing between the handrail and the running table 1; when the handrail is folded and retracted, only the deflector rod 17 is required to be stirred, one end of the locking block 14 is separated from the clamping groove 16, then one end of the pressing block 3 where the locking mechanism is located is pushed in the opposite direction of the locking plate 4, the pressing block 3 rotates until the clamping groove 16 is separated from the sliding path of the locking block 14, the abutting part 5 is completely separated from the abutting surface 6, the limiting strip 21 is also completely separated from the limiting groove 22, the folding locking structure is used for unlocking the handrail vertical pipe and the running table 1, and then the handrail is only required to be rotated until the limiting post 25 abuts against the other end of the circular arc-shaped groove 24.

As shown in fig. 4, the present utility model further provides a running machine using the above-mentioned running machine handrail riser and running table folding and locking structure, in which the above-mentioned folding and locking structures are provided on both sides of the running table 1 in the width direction, and the two folding and locking structures are symmetrically arranged with each other, and of course, the two folding and locking structures share one running table 1.

The specific embodiments described herein are offered by way of example only. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the scope of the utility model as defined.

Claims

1. The utility model provides a treadmill handrail riser and folding locking structure of running platform, its characterized in that, including handrail riser, running platform (1), fixed axle (2), briquetting (3) and latch plate (4), fixed axle (2) are connected in the side of running platform (1), handrail riser one end cover is on fixed axle (2) and with fixed axle (2) normal running fit, latch plate (4) and handrail riser fixed connection, briquetting (3) are articulated with latch plate (4), the axis parallel arrangement of rotation axis and fixed axle (2) of briquetting (3), be equipped with on briquetting (3) and support pressure portion (5), fixed axle (2) are located the rotation route of supporting pressure portion (5), just be equipped with on the peripheral wall of fixed axle (2) with support pressure portion (5) matched with support pressure face (6), be equipped with the latch mechanism between latch plate (4) and briquetting (3) for when support pressure portion (5) support pressure face (6) on, make briquetting (4) and briquetting (3) lock each other.

2. The running machine handrail riser and treadmill folding and locking structure according to claim 1, characterized in that the locking plate (4), the pressing block (3) and the locking mechanism are all arranged in the rotation plane of the handrail riser.

3. The folding and locking structure of the handrail vertical tube and the running table of the running machine according to claim 1 or 2, wherein the handrail vertical tube comprises a vertical tube body (7) and a shaft sleeve (8), one end of the vertical tube body (7) is connected to the peripheral wall of the shaft sleeve (8), the shaft sleeve (8) is sleeved on the fixed shaft (2) and is in running fit with the fixed shaft (2), a slot (9) for the pressing part (5) to enter is formed in the peripheral wall of the shaft sleeve (8), and the pressing surface (6) is exposed in the slot (9).

4. The running machine handrail riser and running table folding and locking structure according to claim 3, wherein an opening (10) is formed in one end of the side wall of the riser body (7), the slot (9) is arranged towards the riser body (7), the opening (10) is communicated with the slot (9) through a hollow cavity (11) of the riser body (7), the pressing part (5) penetrates through the opening (10) and stretches into the hollow cavity (11) of the riser body (7), the locking plate (4) is arranged along the length direction of the riser body (7), one end of the locking plate (4) is fixedly connected with the peripheral wall of the shaft sleeve (8), the locking mechanism is located at the other end of the locking plate (4), the pressing block (3) is provided with a containing cavity (12), and the locking plate (4) is rotatably located in the containing cavity (12) and hinged with the side wall of the containing cavity (12) through a pin shaft (13).

5. The folding and locking structure of the handrail riser and the running block of the running machine according to claim 1, 2 or 4, wherein the locking mechanism comprises a locking block (14) and a return spring (15), a pressing block (3) of the locking block (14) is in sliding fit, the return spring (15) is connected between the locking block (14) and the pressing block (3), a clamping groove (16) for inserting one end of the locking block (14) is formed in the locking plate (4), when the pressing part (5) is pressed against the pressing surface (6), the clamping groove (16) is located on a sliding path of the locking block (14), and one end of the locking block (14) is inserted into the clamping groove (16) through the elastic force of the return spring (15).

6. The folding and locking structure of the handrail vertical pipe and the running table of the running machine according to claim 5, wherein the locking mechanism further comprises a deflector rod (17), the deflector rod (17) and the locking block (14) are respectively located at two sides of the pressing block (3), an elongated hole (18) is formed in the pressing block (3) along the sliding direction of the locking block (14), a spring seat (19) is arranged on the deflector rod (17), the spring seat (19) penetrates through the elongated hole (18) to be fixedly connected with the locking block (14), and the return spring (15) is arranged in the elongated hole (18) and is connected between one end of the elongated hole (18) and the spring seat (19).

7. The folding and locking structure of the handrail vertical pipe and the running table of the running machine according to claim 1, wherein the pressing part (5) is provided with a limiting strip (21) protruding out of the pressing part (5), the pressing surface (6) is provided with a limiting groove (22) for the insertion of the limiting strip (21), the limiting strip (21) and the limiting groove (22) extend along the axis of the fixed shaft (2), the pressing part (5) is a plane arranged on the pressing block (3), and the pressing surface (6) is a plane milled on the peripheral wall of the fixed shaft (2).

8. The folding and locking structure of the handrail vertical pipe and the running platform of the running machine according to claim 1, further comprising a limiting ring (23), wherein the limiting ring (23) is sleeved on the fixed shaft (2) and fixedly connected to the side wall of the running platform (1), the limiting ring (23) is provided with an arc-shaped groove (24), the arc-shaped groove (24) and the fixed shaft (2) are coaxially arranged, the side wall of the handrail vertical pipe is provided with a limiting column (25), and one end of the limiting column (25) is located in the arc-shaped groove (24).

9. The folding and locking structure of the handrail riser and the running block of the running machine according to claim 8, wherein the pressing portion (5) can be pressed against the pressing surface (6) when the limit post (25) is pressed against one end of the circular arc-shaped groove (24).

10. The folding and locking structure of the handrail vertical pipe and the running platform of the running machine according to claim 1, wherein one end of the fixed shaft (2) is fixedly connected with the running platform (1), the other end of the fixed shaft (2) is connected with a limit clamp spring (26), and one side of the limit clamp spring is propped against one side of the handrail vertical pipe away from the running platform.