CN210278101U

CN210278101U - Stand folding device

Info

Publication number: CN210278101U
Application number: CN201920964013.9U
Authority: CN
Inventors: 陶晓勇
Original assignee: Jinxian Wisdom Electronic Technology Co ltd
Current assignee: Jinxian Wisdom Electronic Technology Co ltd
Priority date: 2019-06-25
Filing date: 2019-06-25
Publication date: 2020-04-10
Anticipated expiration: 2029-06-25

Abstract

A column folding device comprises a column pipe, a rack side pipe, a first rotating shaft, a rotating shaft sleeve, a first positioning block, a second positioning block and an elastic hinge device; the first rotating shaft is rotatably connected with the rotating shaft sleeve; the first rotating shaft and the rotating shaft sleeve are respectively welded and fixed on the side pipe and the upright post pipe of the rack; the elastic hinge device is fixed on the upright post pipe; the elastic hinge device comprises a first combining block, a second rotating shaft and a spring; the second rotating shaft and the first positioning block are respectively welded and fixed on the rotating shaft sleeve and the first rotating shaft; a wedge-shaped buckle is arranged on the wedge part of the first combining block; a plurality of clamping grooves matched with the wedge-shaped buckles are formed in the first positioning block; the utility model discloses utilize the shear strength of material itself to bear the little big intensity of mechanical structure, can let the stand pipe receive and release freely together with whole electronic gauge outfit, recirculation, and have novel structure, reliable durable, cost low grade advantage when batch production is made.

Description

Stand folding device

Technical Field

The utility model relates to a treadmill technical field, concretely relates to stand folding device.

Background

Most of treadmill upright tubes in the current market are fixed, or are fixed on a machine base frame by screws, and a few products of upright tubes can be folded.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art's defect and not enough, provide a simple structure, reasonable in design, convenient to use's stand folding device, make treadmill stand pipe with whole gauge outfit head can with run freely between the platform chassis fold and expand and stand.

In order to achieve the above object, the utility model adopts the following technical scheme: the device comprises a stand column pipe, a rack side pipe, a first rotating shaft, a rotating shaft sleeve, a first positioning block, a second positioning block and an elastic hinge device; the first rotating shaft is rotatably connected with the rotating shaft sleeve; the first rotating shaft and the rotating shaft sleeve are respectively welded and fixed on the side pipe and the upright post pipe of the rack; the elastic hinge device is fixed on the upright post pipe; the elastic hinge device comprises a first combining block, a second rotating shaft and a spring; the first combining block and the second combining block are rotatably connected through a second rotating shaft; the spring is connected between the first combining block and the second combining block; the second rotating shaft and the first positioning block are respectively welded and fixed on the rotating shaft sleeve and the first rotating shaft; a wedge-shaped buckle is arranged on the wedge part of the first combining block; a plurality of clamping grooves matched with the wedge-shaped buckles are formed in the first positioning block;

further, a bolt is connected between the rotating shaft sleeve and the first rotating shaft;

furthermore, a through hole is formed in the middle of the upright post pipe;

furthermore, the whole combination block is of a bending structure; the front part of the bending structure is a wedged part, and the rear part of the bending structure is a handle part; the combining block penetrates through the through hole, and the front part and the rear part of the combining block extend to the outer side of the upright post pipe;

furthermore, the second combining block is arranged on the inner side of the upright tube and is fixedly connected with the upright tube through a screw;

furthermore, the positioning block I is integrally of an arc-shaped structure; the number of the clamping grooves on the first positioning block is two; the included angle between the two clamping grooves is 70-75 degrees;

furthermore, a clamping groove matched with the wedge-shaped buckle is also formed in the second positioning block.

After the structure is adopted, the utility model discloses beneficial effect does: a stand folding device, utilize the shear strength of material itself to bear the little big intensity of mechanical structure, can let stand pipe receive and release freely together with whole electron gauge outfit, recirculation, and have novel structure, reliable durable, expense low grade advantage when batch production is made.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1;

fig. 3 is a schematic view of the present invention in an expanded state;

FIG. 4 is a sectional view taken along line C-C of FIG. 3;

fig. 5 is a schematic view of the state of the present invention when folded.

Description of reference numerals:

1. a frame side tube; 2. an elastic hinge device; 3. a column tube; 4. a first positioning block; 5. a bolt; 6. a card slot; 7. a wedge-shaped buckle; 8. a wedging portion; 9. a handle portion; 10. a spring; 11. a second rotating shaft; 12. combining the blocks II; 13. a screw; 14. a second positioning block; 15. rotating a first shaft; 16. the shaft sleeve is rotated.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

Referring to fig. 1 to 5, the technical solution adopted by the present embodiment is: the device comprises a stand column pipe 3, a rack side pipe 1, a first rotating shaft 15, a rotating shaft sleeve 16, a first positioning block 4, a second positioning block 14 and an elastic hinge device 2; the first rotating shaft 15 is rotatably connected with the rotating shaft sleeve 16; the first rotating shaft 15 and the rotating shaft sleeve 16 are respectively welded and fixed on the side tube 1 of the rack and the upright post tube 3; a bolt 5 is connected between the rotating shaft sleeve 16 and the first rotating shaft 15; the elastic hinge device 2 is fixed on the upright post tube 3; the elastic hinge device 2 comprises a first combining block, a second combining block 12, a second rotating shaft 11 and a spring 10; the first combining block and the second combining block 12 are rotationally connected through a second rotating shaft 11; the spring 10 is connected between the first combining block and the second combining block 12; the middle part of the upright post pipe 3 is provided with a through hole; the whole combination block I is of a bending structure; the front part of the bending structure is a wedged part 8, and the rear part of the bending structure is a handle part 9; the combining block penetrates through the through hole, and the front part and the rear part of the combining block extend to the outer side of the upright post pipe 3; the second combining block 12 is arranged on the inner side of the upright tube 3 and is fixedly connected with the upright tube 3 through a screw 13; the second rotating shaft 11 and the first positioning block 4 are respectively welded and fixed on the first rotating shaft sleeve 16 and the first rotating shaft 15; a wedge-shaped buckle 7 is arranged on the wedge part 8 of the first combining block; the positioning block I4 is integrally of an arc-shaped structure; two clamping grooves 6 matched with the wedge-shaped buckles 7 are formed in the first positioning block 4; the included angle between the two clamping grooves 6 is 75 degrees; the second positioning block 14 is also provided with a clamping groove 6 matched with the wedge-shaped buckle 7.

When the concrete embodiment is used, two upright post folding devices which are mirrored left and right are adopted to be matched for use; the operation method of the present embodiment is as follows:

1. the handle part 9 of the first block is closed towards the outer buckle plate by a thumb of a single hand, and the wedged part 8 is separated from the clamping groove 6 on the first positioning block 4; rotating the stand column tube 3 clockwise or counterclockwise to an angle of 75 degrees, automatically locking the first positioning block 4 and the second positioning block 14 which are respectively welded on the rack side tube 1 and the stand column tube 3 by the wedge-shaped buckle 7 on the first combining block, unfolding the stand column folding device at the moment, and showing the unfolded state by referring to fig. 3-4;

3. after the use is finished, a single-hand thumb moves the wedging part 8 away from the clamping groove 6 on the positioning block I4 towards the handle part 9 of the first closing block of the outer buckling plate, the stand column tube 3 is rotated clockwise or anticlockwise to the horizontal position, the wedge-shaped buckle 7 on the first closing block automatically locks the positioning block I4 and the positioning block II 14 which are respectively welded on the side tube 1 and the stand column tube 3 of the rack, at the moment, the stand column folding device is folded, and the folded state is shown in a picture 5.

In the specific embodiment, a series of reciprocating states of column tube folding and supporting, hinge buckle limiting and folding and retracting are formed by the rotating shaft sleeve 16, the rotating shaft I15, the positioning block I4, the positioning block II 14 and the elastic hinge device 4 which are arranged between the rotating shaft sleeve 16 and the rotating shaft I15, so that the whole column tube core head can be freely unfolded and folded.

The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent replacements made by those of ordinary skill in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.

Claims

1. A column folding device is characterized by comprising a column pipe, a rack side pipe, a first rotating shaft, a rotating shaft sleeve, a first positioning block, a second positioning block and an elastic hinge device; the first rotating shaft is rotatably connected with the rotating shaft sleeve; the first rotating shaft and the rotating shaft sleeve are respectively welded and fixed on the side pipe and the upright post pipe of the rack; the elastic hinge device is fixed on the upright post pipe; the elastic hinge device comprises a first combining block, a second rotating shaft and a spring; the first combining block and the second combining block are rotatably connected through a second rotating shaft; the spring is connected between the first combining block and the second combining block; the second rotating shaft and the first positioning block are respectively welded and fixed on the rotating shaft sleeve and the first rotating shaft; a wedge-shaped buckle is arranged on the wedge part of the first combining block; and a plurality of clamping grooves matched with the wedge-shaped buckles are arranged on the first positioning block.

2. The column folding device of claim 1, wherein a bolt is connected between the rotating shaft sleeve and the first rotating shaft.

3. A pillar folding apparatus according to claim 1, wherein the pillar tube has a through hole formed in a middle portion thereof.

4. The column folding device according to claim 1, wherein the block is a bent structure; the front part of the bending structure is a wedged part, and the rear part of the bending structure is a handle part; the combining block penetrates through the through hole, and the front part and the rear part of the combining block extend to the outer side of the upright post pipe.

5. The stand column folding device according to claim 1, wherein the second combining block is arranged on the inner side of the stand column pipe and fixedly connected with the stand column pipe through a screw.

6. The pillar folding device according to claim 1, wherein the positioning block has an overall arc-shaped structure; the number of the clamping grooves on the first positioning block is two; the included angle between the two clamping grooves is 70-75 degrees.

7. The pillar folding device according to claim 1, wherein the second positioning block is also provided with a slot for engaging with the wedge.