CN216166410U

CN216166410U - Telescopic rotating pedal structure

Info

Publication number: CN216166410U
Application number: CN202122420169.0U
Authority: CN
Inventors: 梁德华
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-04-05
Anticipated expiration: 2031-09-30

Abstract

The utility model discloses a telescopic and rotatable pedal structure, which comprises a telescopic part, a rotating part and a bearing part, wherein the telescopic part is arranged on the rotating part; the rotating part is sleeved at the tail end of the telescopic part, the rotating part can perform limited rotation in a specified direction relative to the telescopic part, and the bearing part is sleeved on the rotating part; the telescopic part is embedded in the bottom of the chair and comprises a sliding rod and a limiting piece; the limiting piece is fixedly connected with the bottom of the chair, a through hole matched with the sliding rod is formed in the limiting column, and the sliding rod is arranged in the limiting piece; this scheme is pressed the button portion when using, and the button portion promotes the joint axle and removes at the length direction of first draw-in groove, and compression supporting spring makes the epaxial joint arch of joint break away from second draw-in groove or third draw-in groove, and the holding surface can slide wantonly for the stay tube this moment, and release button portion this moment rotates the holding surface, when rotating second draw-in groove or third draw-in groove, rotates the holding surface once more.

Description

Telescopic rotating pedal structure

Technical Field

The utility model relates to the field of living furniture, in particular to a retractable and rotatable pedal structure.

Background

The chair is a daily-life furniture, a seat with a backrest and armrests. Modern chairs pursue beauty and fashion, and some chairs are not used as seats alone, so that the life of people is more convenient under the combination of science and technology.

However, in the prior art, when the chair is used, the feet are grounded, so that a human body cannot have a good rest when the chair is used.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a retractable and rotatable pedal structure aiming at the defects, and solves the problems in the prior art.

The scheme is realized as follows:

a telescopic and rotatable pedal structure comprises a telescopic part, a rotating part and a bearing part; the rotating part is sleeved at the tail end of the telescopic part, the rotating part can perform limiting rotation in a specified direction relative to the telescopic part, and the bearing part is sleeved on the rotating part.

Based on the pedal structure capable of telescopic rotation, the telescopic part is embedded at the bottom of the chair and comprises a sliding rod and a limiting piece; the limiting part is fixedly connected with the bottom of the chair, a through hole matched with a sliding rod is formed in the limiting column, and the sliding rod is arranged in the limiting part.

Based on the retractable pedal structure, the rotating part comprises a supporting pipe, a clamping shaft and a button part; a connecting sleeve connected with the sliding rod is arranged on the supporting tube, and the sliding rod is fixedly connected with the connecting sleeve; openings at two ends of the supporting tube are respectively provided with a first clamping groove; the first clamping grooves are symmetrically arranged at the opening of the supporting tube; the clamping shaft is embedded in the two opening ends of the supporting tube, and a clamping bulge matched with the first clamping groove is arranged on the clamping shaft; the clamping bulges are axially and symmetrically arranged on the clamping shaft.

Based on the retractable and rotatable pedal structure, the button part comprises a pressing surface and a clamping surface, a pressing groove is formed in the pressing surface, a plurality of supporting plates are arranged on the clamping surface and uniformly arranged along the axial direction of the clamping surface, a supporting surface is formed by the plurality of supporting grooves, the shape of the supporting surface is matched with the end part of the clamping shaft, and the supporting surface is clamped with the clamping shaft; the clamping surface is also provided with a guide shaft, and the guide shaft is arranged at the central position of the clamping surface; a central through hole matched with the guide shaft is formed in the central position of the clamping shaft; the guide shaft is disposed in the central through hole.

Based on the retractable and rotatable pedal structure, a central shaft, a supporting spring and a spring cavity are arranged in the supporting tube; the center pin sets up at bracing piece central point and puts, the spring chamber sets up along center pin circumference, and the supporting spring cover is established on the center pin, supporting spring one end is connected with the stay tube, and the other end is connected with the joint axle.

Based on above-mentioned scalable pivoted running-board structure, be provided with on the joint axle with center pin assorted connecting chamber, the size of connecting axle is not more than the diameter of central through-hole, and the center pin setting is in connecting the chamber, and the center shaft tip is provided with the bolt hole, is provided with clamping screw in the central through-hole, clamping screw's size matches with the center pin.

Based on the retractable and rotatable pedal structure, the bearing part comprises a supporting surface and a rotating shaft sleeve; the supporting surface is fixedly connected with the rotating shaft sleeve, the rotating shaft sleeve is sleeved on the clamping shaft, and 2 groups of clamping grooves are arranged on the rotating shaft sleeve and are respectively a second clamping groove and a third clamping groove; the second clamping groove and the third clamping groove are symmetrically arranged along the center of the rotating shaft sleeve respectively; the second clamping groove and the third clamping groove are arranged at a certain angle.

Based on above-mentioned scalable pivoted pedal structure, the size of second draw-in groove and third draw-in groove all with the bellied size looks adaptation of joint.

Compared with the prior art, the utility model has the beneficial effects that:

1. this scheme is when using, pulls the slide bar along the length direction of slide bar through manual, makes the rotating part keep away from chair bottom position, according to the human demand of difference, pulls the slide bar to suitable position and uses.

2. When the scheme is used, the button part is pressed down, the button part pushes the clamping shaft to move in the length direction of the first clamping groove, the supporting spring is compressed, the clamping protrusion on the clamping shaft is separated from the second clamping groove or the third clamping groove, the supporting surface can slide randomly relative to the supporting pipe at the moment, the button part is released at the moment, the supporting surface is rotated, and when the second clamping groove or the third clamping groove is rotated, the supporting surface is rotated again; the fixed screw is used for keeping the middle-western position of the clamping shaft after resetting on the end face of the rotating shaft sleeve all the time, the clamping force is maximum at the moment, the clamping is more stable, and the path required by unlocking is shortest; finally, the leg support device rotates according to the requirement of the human body to support the legs of the human body; the human body is more comfortable.

Drawings

FIG. 1 is a schematic view of the overall installation position of the present invention;

FIG. 2 is a schematic structural view of the present invention as a whole;

FIG. 3 is a schematic view of the structure of the support tube of the present invention;

FIG. 4 is an enlarged view of the button part of the present invention;

FIG. 5 is an enlarged view of the other side button part in the present invention;

FIG. 6 is a sectional view of a rotary part according to the present invention;

FIG. 7 is an enlarged view of the structure of the sleeve of the present invention;

in the figure: 1. a telescopic part; 2. a rotating part; 3. a receiving part; 4. a seat; 11. a slide bar; 12. a limiting member; 21. supporting a tube; 22. clamping the shaft; 23. a button portion; 24. a connecting sleeve; 25. a first card slot; 26. clamping the bulges; 27. pressing the face; 28. a clamping surface; 29. pressing the groove; 210. a support plate; 211. a guide shaft; 212. a central through hole; 213. a central shaft; 214. a support spring; 215. a spring cavity; 216. bolt holes; 217. fixing the screw rod; 31. a support surface; 32. a rotating shaft sleeve; 33. a second card slot; 34. and a third card slot.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Example 1

As shown in fig. 1 to 7, the present invention provides a technical solution:

a pedal structure capable of telescopic rotation comprises a telescopic part 1, a rotating part 2 and a bearing part 3; the rotating part 2 is sleeved at the tail end position of the telescopic part 1, the rotating part 2 can perform limited rotation in a specified direction relative to the telescopic part 1, and the bearing part 3 is sleeved on the rotating part 2;

the telescopic part 1 is embedded in the bottom of the chair, and the telescopic part 1 comprises a sliding rod 11 and a limiting piece 12; the limiting piece 12 is fixedly connected with the bottom of the chair, a through hole matched with the sliding rod 11 is formed in the limiting column, and the sliding rod 11 is arranged in the limiting piece 12;

based on the structure, when the chair is used, the sliding rod 11 is manually pulled along the length direction of the sliding rod 11, so that the rotating part 2 is far away from the bottom position of the chair, and the sliding rod 11 is pulled to a proper position for use according to different requirements of human bodies;

at least 2 sliding rods 11 are arranged at the bottom of the seat 4, the receiving part 3 is stably supported through 2 sliding rods 11, and the 2 sliding rods 11 can effectively prevent the receiving part 3 from shaking; the use is more comfortable.

The rotating part 2 comprises a support tube 21, a clamping shaft 22 and a button part 23; a connecting sleeve 24 connected with the sliding rod 11 is arranged on the supporting tube 21, and the sliding rod 11 is fixedly connected with the connecting sleeve 24, so that the rotating part 2 and the sliding rod 11 are connected into a whole;

openings at two ends of the supporting tube 21 are arranged, and openings at two ends of the supporting tube 21 are respectively provided with a first clamping groove 25; the first clamping grooves 25 are symmetrically arranged at the opening of the support tube 21; the clamping shaft 22 is embedded in the two opening ends of the support tube 21, and a clamping protrusion 26 matched with the first clamping groove 25 is arranged on the clamping shaft 22; the clamping protrusions 26 are axially and symmetrically arranged on the clamping shaft 22; in use, the snap-in projection 26 is snapped into the first snap-in groove 25 for use.

The button part 23 comprises a pressing surface 27 and a clamping surface 28, a pressing groove 29 is formed in the pressing surface 27, and the pressing groove 29 can prevent people from being more accurate in pressing and not prone to slipping off, so that the button part is smoother to use.

A plurality of supporting plates 210 are arranged on the clamping surface 28, the supporting plates 210 are uniformly arranged along the axial direction of the clamping surface 28, and an L-shaped supporting groove is formed on the clamping surface 28; the supporting grooves form a supporting surface 31, the shape of the supporting surface 31 is matched with that of the end part of the clamping shaft 22, and the clamping shaft 22 is clamped with the supporting surface 31;

the clamping surface 28 is further provided with a guide shaft 211, and the guide shaft 211 is arranged at the center of the clamping surface 28; a central through hole 212 matched with the guide shaft 211 is formed in the central position of the clamping shaft 22; the guide shaft 211 is disposed in the central through hole 212,

based on the structure, the plurality of support plates 210 arranged inside the button part 23 can ensure the strength of the button part 23, the use of materials can be effectively reduced, the support surface 31 is clamped on a support shaft, the assembly can be rapidly carried out, the button part 23 can be rapidly and independently replaced with low cost after being damaged, and the later maintenance cost is reduced; and the button portion 23 is firmly coupled to the chucking shaft 22 by the guide shaft 211 and the supporting surface 31 cooperating with each other.

The supporting tube 21 is provided with a central shaft 213, a supporting spring 214 and a spring cavity 215; the central shaft 213 is arranged at the central position of the support rod, the spring cavity 215 is arranged along the circumference of the central shaft 213, the support spring 214 is sleeved on the central shaft 213, the spring cavity 215 provides a space for the support spring 214 to move in a stretching manner, one end of the support spring 214 is connected with the support tube 21, and the other end of the support spring 214 is connected with the clamping shaft 22;

a connecting cavity matched with the central shaft 213 is formed in the clamping shaft 22, the size of the connecting shaft is not larger than the diameter of the central through hole 212, the central shaft 213 is arranged in the connecting cavity, a bolt hole 216 is formed in the end portion of the central shaft 213, a fixing screw 217 is arranged in the central through hole 212, the size of the fixing screw 217 is matched with that of the central shaft 213, and the clamping groove is limited through the fixing screw 217;

with the above configuration, when the push button 23 is pressed down in use, the push button 23 pushes the latch shaft 22 to move in the longitudinal direction of the first latch groove 25, the support spring 214 is compressed, and when the push button is released, the support spring 214 restricts the resilient position of the latch shaft 22, thereby preventing the latch shaft 22 from exceeding a predetermined position.

The bearing part 3 comprises a supporting surface 31 and a rotating shaft sleeve 32; the supporting surface 31 is fixedly connected with the rotating shaft sleeve 32, the rotating shaft sleeve 32 is sleeved on the clamping

shaft

22, and 2 groups of clamping grooves, namely a second clamping groove 33 and a third clamping groove 34, are arranged on the rotating shaft sleeve 32; the second clamping groove 33 and the third clamping groove 34 are respectively and symmetrically arranged along the central position of the rotating shaft sleeve 32;

the second card slot 33 and the third card slot 34 are arranged at a certain angle, because the second card slot 33 and the third card slot 34 are symmetrically arranged, the second card slot 33 is adjacent to 2 third card slots 34, and the rotation angle between the second card slot 33 and the farthest third card slot 34 is based on the rotation angle of the supporting surface 31, namely the working angle;

the sizes of the second clamping groove 33 and the third clamping groove 34 are matched with the size of the clamping protrusion 26, when one end of the clamping shaft 22 is clamped into the first clamping groove 25, and the other end of the clamping shaft is clamped into the second clamping groove 33 or the third clamping groove 34, the clamping grooves complete the locking of the rotating shaft sleeve 32, namely the locking of the supporting surface 31.

The angle can be specially set, so that the feet of the rotated angle are more comfortable when placed on the angle;

the use method of the device comprises the following steps: when the support device is used, the button part 23 is pressed, the button part 23 pushes the clamping shaft 22 to move in the length direction of the first clamping groove 25, the support spring 214 is compressed, the clamping protrusion 26 on the clamping shaft 22 is separated from the second clamping groove 33 or the third clamping groove 34, the support surface 31 can slide freely relative to the support pipe 21, the button part 23 is released, the support surface 31 is rotated, and when the second clamping groove 33 or the third clamping groove 34 is rotated, the support surface 31 is moved again; wherein later the effect of set screw 217 is to remain the chinese and western position of joint axle 22 after reseing on the terminal surface of pivot cover 32 all the time, and the dynamics of joint is the biggest this moment, and is more firm to the required route of unblock is the shortest.

Finally, the leg support device rotates according to the requirement of the human body to support the legs of the human body; the human body is more comfortable.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A retractable and rotatable pedal structure is characterized by comprising a retractable part, a rotating part and a bearing part; the rotating part cover is established at the terminal position of flexible portion, and the rotating part can carry out spacing rotation for flexible portion, the accepting part cover is established on the rotating part.

2. A telescopically rotatable footrest structure in accordance with claim 1, wherein: the telescopic part is embedded in the bottom of the chair and comprises a sliding rod and a limiting piece; the limiting part is fixedly connected with the bottom of the chair, a through hole matched with the sliding rod is formed in the limiting part, and the sliding rod is arranged in the limiting part.

3. A telescopically rotatable footrest structure in accordance with claim 2, wherein: the rotating part comprises a supporting pipe, a clamping shaft and a button part; a connecting sleeve connected with the sliding rod is arranged on the supporting tube, and the sliding rod is fixedly connected with the connecting sleeve; openings at two ends of the supporting tube are respectively provided with a first clamping groove; the first clamping grooves are symmetrically arranged at the opening of the supporting tube; the clamping shaft is embedded in the two opening ends of the supporting tube, and a clamping bulge matched with the first clamping groove is arranged on the clamping shaft; the clamping bulges are axially and symmetrically arranged on the clamping shaft.

4. A telescopically rotatable footrest structure according to claim 3, wherein: the button part comprises a pressing surface and a clamping surface, a pressing groove is formed in the pressing surface, a plurality of supporting plates are arranged on the clamping surface and are uniformly arranged along the axial direction of the clamping surface, the supporting grooves form a supporting surface, the shape of the supporting surface is matched with the end part of the clamping shaft, and the supporting surface is clamped with the clamping shaft; the clamping surface is also provided with a guide shaft, and the guide shaft is arranged at the central position of the clamping surface; a central through hole matched with the guide shaft is formed in the central position of the clamping shaft; the guide shaft is disposed in the central through hole.

5. A telescopically rotatable footrest structure according to claim 4, wherein: the supporting tube is internally provided with a central shaft, a supporting spring and a spring cavity; the center pin sets up at bracing piece central point and puts, the spring chamber sets up along center pin circumference, and the supporting spring cover is established on the center pin, supporting spring one end is connected with the stay tube, and the other end is connected with the joint axle.

6. A telescopically rotatable footrest structure according to claim 5, wherein: the clamping shaft is provided with a connecting cavity matched with the central shaft, the size of the connecting cavity is not larger than the diameter of the central through hole, the central shaft is arranged in the connecting cavity, a bolt hole is formed in the end part of the central shaft, a fixing screw rod is arranged in the central through hole, and the size of the fixing screw rod is matched with that of the central shaft.

7. A telescopically rotatable footrest structure according to claim 6, wherein: the bearing part comprises a supporting surface and a rotating shaft sleeve; the supporting surface is fixedly connected with the rotating shaft sleeve, the rotating shaft sleeve is sleeved on the clamping shaft, and 2 groups of clamping grooves are arranged on the rotating shaft sleeve and are respectively a second clamping groove and a third clamping groove; the second clamping groove and the third clamping groove are symmetrically arranged along the center of the rotating shaft sleeve respectively; the second clamping groove and the third clamping groove are arranged at a certain angle.

8. A telescopically rotatable footrest structure according to claim 7, wherein: the size of the second clamping groove and the size of the third clamping groove are matched with the size of the clamping protrusion.