CN219813628U - Rotatable angle-adjusting pedal for office chair - Google Patents

Abstract

The utility model discloses a rotatable angle-adjusting pedal for an office chair, which is characterized in that the pedal is rotationally connected with a connecting seat, a lock shaft is arranged beside the connecting seat, an unlocking piece is arranged at one side of the lock shaft, an elastic upper locking piece is arranged at the inner side of the lock shaft, corresponding first locking teeth and second locking teeth are arranged on the lock shaft and the elastic upper locking piece, an unlocking sliding groove and an unlocking piece are further arranged on the unlocking piece, the pedal is rotated to drive the lock shaft to rotate so that gear clamping can be carried out between the first locking teeth and the second locking teeth, and the unlocking sliding groove is matched with an unlocking bolt.

Description

Rotatable angle-adjusting pedal for office chair

Technical Field

The utility model relates to the technical field of pedals, in particular to a rotatable angle-adjustable pedal for an office chair.

Background

The pedal is generally used when sitting and lying at rest, and when in use, the pedal needs to be outwards stretched out, the pedal is inwards retracted and stored after being used, the existing office chair pedal is only telescopic and cannot rotate, the rotating structure of the partial pedal can be rotated is quite complex, the automatic rotating operation cannot be carried out, and bad use experience is brought to a user.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model aims to provide a rotatable angle-adjustable pedal for an office chair, so as to solve the technical problems in the prior art.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a rotatable angle regulation formula pedal for office chair, includes connecting piece, pedal, the connecting piece is used for with office chair fixed connection, the tip rotation type of connecting piece is connected with pedal, the end connection of connecting piece has the connecting seat, one side of connecting seat is equipped with the lock axle spare, pedal realize being connected with the connecting seat rotation type through the lock axle spare, the periphery department of lock axle spare is equipped with first lock tooth, the side of lock axle spare is equipped with the unblock bolt, one side of connecting seat is equipped with the elasticity and goes up the latch, the position that the elasticity goes up the latch corresponds first lock tooth is equipped with the second lock tooth, one side coaxial heart position of lock axle spare is equipped with the unlatching piece, the periphery of unlatching piece corresponds the position of second lock tooth and is equipped with the unlocking piece, still be equipped with the unblock spout that can supply unblock bolt gliding when upwards rotating pedal, can drive first lock tooth and carry out gear locking for the second lock tooth when being located the first lock tooth of extreme and being located the second lock tooth contact time, the position that just reaches the unblock piece just to reset when the position that can reach the unblock piece, thereby can just reach the unblock piece and reset to rotate the realization, and just to rotate the unblock piece, thereby can reach the final unblock piece to rotate the unblock.

The further improvement lies in, the both sides of lock axle spare all are equipped with the bush, the unblock piece cover is located on the bush, the inboard of lock spare is equipped with the spring on the elasticity, and the spring relies on the direction that the spring realization was pushed up to the lock axle spare all the time to go up the lock spare, the inboard of connecting seat is equipped with the shaft hole that supplies the bush to pass, and pedal inboard is equipped with rotates the seat, be equipped with the transposition hole on rotating the seat, the both sides of rotating the seat still are equipped with the fastener that can pass transposition hole and bush connection.

The improvement lies in further, be equipped with the spliced pole on the fastener, the spliced pole can insert the intraductal cover of axle sleeve, the outside of fastener still is equipped with the fastening draw-in groove, the outside that rotates the seat corresponds the position of fastening draw-in groove and is equipped with the fastening fixture block, and the fastener is inwards inserted by the two outsides that rotate the seat to realize the chucking through fastening draw-in groove and fastening fixture block, thereby realize pedal and inboard lock axle spare linkage.

The further improvement is that the section of the periphery of the plug-in post and the section of the inner cavity of the shaft sleeve are square sections so as to prevent rotation and slipping.

The further improvement lies in, the one end that the connecting seat is close to the lock axle spare is equipped with spacing spout, the lock axle spare is equipped with spacing bolt in the position that corresponds spacing spout, and when rotating pedal drive lock axle spare rotated, spacing bolt just is located the slip of spacing spout in order to prevent that the lock axle spare from excessively rotating.

The further improvement is that the first lock tooth and the second lock tooth are inclined plane teeth and face opposite directions.

The further improvement lies in, the outside of connecting seat, the inboard of rotating the seat still install the parcel piece, the parcel piece can be with connecting seat and lock axle spare, elasticity go up locking piece and unlocking piece parcel.

The further improvement lies in, the connecting piece includes flexible outer tube and can be for the flexible inner tube of flexible action of flexible outer tube, the one end of flexible inner tube is equipped with the fixing base that can with office chair fixed connection, is equipped with the fixed orifices on the fixing base, wherein connecting seat and the interior tube fixed connection of stretching out one's hand.

The telescopic inner pipe is characterized in that a limiting lock pin is arranged on the inner side of the telescopic inner pipe, a limiting lock groove is formed in the position, corresponding to the limiting lock pin, of the telescopic outer pipe, and when the telescopic inner pipe slides outwards, the limiting lock pin and the limiting lock groove are matched with each other to limit the outermost stroke of a pedal.

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

(1) According to the utility model, the pedal is rotationally connected with the connecting seat, the lock shaft is arranged beside the connecting seat, the unlocking piece is arranged at one side of the lock shaft, the elastic locking piece is arranged at the inner side of the lock shaft, the corresponding first locking tooth and the corresponding second locking tooth are arranged on the lock shaft and the elastic locking piece, the unlocking sliding groove and the unlocking piece are also arranged on the unlocking piece, the lock shaft is driven to rotate by rotating the pedal so as to clamp the first locking tooth and the second locking tooth in a gear position, and the unlocking sliding groove is matched with the unlocking bolt, when the pedal rotates for one period, the unlocking bolt drives the unlocking sliding groove to rotate forward so as to block the second locking tooth, so that the pedal can reversely return to enter the next rotation.

(2) The pedal can rotate in multiple gears and return, is also provided with secondary expansion, is connected with the expansion inner pipe through expansion of the expansion outer pipe and the expansion inner pipe, can expand outwards and is expanded and limited through the limiting lock pin and the limiting lock groove.

Drawings

Fig. 1: the pedal is an exploded view I of the whole structure of the pedal;

fig. 2: the second exploded view of the whole structure of the pedal is provided;

fig. 3: an assembly drawing of the pedal integral structure is provided;

fig. 4: the pedal rotating structure is schematically shown in the utility model;

fig. 5: a radial sectional view I of the pedal integral structure is provided;

fig. 6: a second radial sectional view of the pedal integral structure of the utility model;

fig. 7: a third radial sectional view of the pedal integral structure of the utility model;

fig. 8: the utility model is a schematic diagram of the pedal rotation angle.

In the figure: pedal 100, connection base 1, lock shaft member 2, first lock tooth 21, unlocking bolt 22;

the elastic locking piece 3, the second locking tooth 31, the unlocking piece 4, the unlocking block 41 and the unlocking chute 42;

the shaft sleeve 23, the shaft hole 11, the rotating seat 5, the rotating seat hole 51, the fastener 6, the plug-in post 61, the fastening clamping groove 62 and the fastening clamping block 52;

the limiting chute 12, the limiting bolt 24 and the wrapping piece 7;

the connecting piece 8, the telescopic outer tube 81, the telescopic inner tube 82, the fixing seat 810 and the fixing hole 811;

a limit lock pin 820 and a limit lock groove 812.

Detailed Description

The present utility model will be further described with reference to the accompanying drawings and detailed description, wherein it is to be understood that, on the premise of no conflict, the following embodiments or technical features may be arbitrarily combined to form new embodiments.

Referring to fig. 1 to 8:

referring to fig. 1-7, example 1: the utility model discloses a rotatable angle-adjustable pedal for an office chair, which comprises a connecting piece 8 and a pedal 100, wherein the connecting piece 8 is used for being fixedly connected with the office chair, the end part of the connecting piece 8 is connected with a connecting seat 1, one side of the connecting seat 1 is provided with a lock shaft piece 2, the pedal 100 is rotatably connected with the connecting seat 1 through the lock shaft piece 2, in the preferred embodiment, the lock shaft piece 2 is in a cylinder shape, the periphery of the lock shaft piece 2 is provided with a first lock tooth 21, the side surface of the lock shaft piece 2 is provided with an unlocking bolt 22, one side of the connecting seat 1 is provided with an elastic upper lock piece 3, the position of the elastic upper lock piece 3 corresponding to the first lock tooth 21 is provided with a second lock tooth 31, one side coaxial center of the lock shaft piece 2 is provided with an unlocking piece 4, the unlocking piece 4 is directly sleeved on the lock shaft piece 2, the periphery of the unlocking piece 4 is provided with an unlocking piece 41 corresponding to the position of the second lock tooth 31, the unlocking block 41 is higher than the other parts of the unlocking piece 4, the unlocking piece 4 is further provided with an unlocking chute 42 which can enable the unlocking bolt 22 to slide, when the pedal 100 is rotated upwards, the first locking tooth 21 can be driven to lock in a gear position relative to the second locking tooth 31, when the first locking tooth 21 at the uppermost end is released from contact with the second locking tooth 31 at the lowermost end, the unlocking bolt 22 just reaches the lowermost end of the unlocking chute 42 so as to drive the unlocking piece 4 to rotate forwards, at the moment, the unlocking block 41 rotates forwards so as to block the second locking tooth 31 on the unlocking piece 4, because the height of the unlocking block 41 is higher than the height of the other parts of the unlocking piece 4, the elastic upper locking piece 3 can be compressed inwards by the unlocking block 41, and at the moment, the first locking tooth 21 is not blocked by the second locking tooth 31, the pedal 100 can be rotated downwards so as to reset, when the reset is completed, the unlocking bolt 22 just reaches the uppermost end of the unlocking sliding groove 42 so as to drive the unlocking piece 4 to reversely rotate, and finally, the unlocking block 41 is separated from the elastic upper locking piece 3 or separated from the second locking tooth 31, because the elastic upper locking piece 3 is elastic and always pushes against the direction of the first locking tooth 21, when the unlocking block 41 reversely returns, the elastic upper locking piece 3 is extended, thus, the pedal 100 and the elastic upper locking piece 3 return to original positions, the next round of upward rotation locking is convenient, and here, because the number of the clamping teeth of the first locking tooth 21 and the second locking tooth 31 is indefinite, the first locking tooth 21 and the second locking tooth 31 are generally arranged along the peripheral array of the locking shaft 2, when the pedal 100 rotates to drive the locking shaft 2 to rotate, each gear on the first locking tooth 21 can be sequentially clamped with the second locking tooth 31, the elastic locking piece can be arranged in an oblique upward direction after the locking of a certain clamping tooth of the first locking tooth 21 and the second locking tooth 31, and the pedal 100 can be understood, so that the return can be realized by continuing to rotate until the first locking tooth 31.

Referring to fig. 1, the two sides of the lock shaft member 2 are respectively provided with a shaft sleeve 23, the unlocking member 4 is sleeved on the shaft sleeve 23, a spring (not shown) is arranged on the inner side of the elastic locking member 3, the elastic locking member 3 is always pushed against the direction of the lock shaft member 2 by means of the spring, the inner side of the connecting seat 1 is provided with a shaft hole 11 through which the shaft sleeve 23 passes, the inner side of the pedal 100 is provided with a rotating seat 5, the rotating seat 5 is generally arranged in pairs, the connecting seat 1 is conveniently arranged on the inner side of the rotating seat 5 to rotate, a rotating seat 5 is provided with a rotating seat hole 51, and two sides of the rotating seat 5 are also provided with a fastening piece 6 which can penetrate through the rotating seat hole 51 and is connected with the shaft sleeve 23.

Referring to fig. 8, when the pedal 100 drives the lock shaft member 2 to rotate relative to the connecting seat 2, that is, relative to the elastic upper lock member 3, the angle of each tooth or each gear of the first lock tooth 21 and the second lock tooth 31 which are engaged to rotate is 15 degrees (i.e., & gta in the drawing), in the preferred embodiment, 11 teeth or gears of the first lock tooth 21 are all provided, 3 teeth or gears of the second lock tooth 31 are all provided, when the pedal 100 returns to the original position, the 3 teeth at the lowest end of the first lock tooth 21 are engaged with the teeth of the second lock tooth 31, then each tooth is rotated 15 degrees after the pedal 100 is lifted up, and when the pedal 100 is rotated to a position 120 degrees relative to the starting point, the pedal 100 is in a horizontal state, that is, some people like the pedal 100 slightly hits a bit angle, the pedal 100 can achieve the above-mentioned pedal 100 fixed angle, when the pedal 100 is in the horizontal position, after the pedal 100 is rotated to the horizontal position, the pedal is rotated by 35 degrees again, the pedal 31 is unlocked, and then the pedal 100 is unlocked, and the pedal 31 is reset.

Referring to fig. 1, specifically, the fastening member 6 is provided with an inserting post 61, the inserting post 61 can be inserted into the lumen of the shaft sleeve 23, the outer side of the fastening member 6 is further provided with a fastening slot 62, the outer side of the rotating seat 5 is provided with a fastening clamping block 52 corresponding to the fastening slot 62, the fastening member 6 is inserted inward from two outer sides of the rotating seat 5 and is clamped with the fastening clamping block 52 through the fastening slot 62, so that the pedal 100 is linked with the inner side of the locking shaft member 2, and of course, in this embodiment, the fastening member 6 can also be directly installed in a bolt mode.

Referring to fig. 1, for ease of installation, the outer circumferential section of the plug post 61 and the inner cavity section of the shaft sleeve 23 are square sections to prevent rotational slippage.

Referring to fig. 1, specifically, in some embodiments, the lock shaft member 2 slides on the unlocking sliding groove 42 only by means of the unlocking bolt 22 on the right side to achieve unlocking and resetting, so that a hidden danger is caused, that is, when the first lock tooth 21 and the second lock tooth 31 slide, or the connection part between the lock shaft member 2 and the connecting shaft rotates or the connection part between the lock shaft member 2 and the outer pedal 100 loosens, a disorder of travel may occur, that is, when the lock shaft member 2 just reaches the top and needs unlocking, the unlocking block 41 does not reach the designated position to bear against the elastic locking member 3, or just reaches the bottom and needs resetting, the unlocking block 41 is not pulled back, and the like, so that in order to solve the above problem, the utility model is provided with the limiting sliding groove 12 at one end (left side) of the connecting seat 1 close to the lock shaft member 2, and the limiting bolt 24 is arranged at the position corresponding to the limiting sliding groove 12, when the pedal 100 rotates to drive the lock shaft member 2, the limiting bolt 24 slides in the limiting sliding groove 12 to prevent the excessive rotation of the lock shaft member 2, so that the limiting bolt 2 just has the limiting sliding grooves on the left side and right side.

Referring to fig. 6, in particular, in the foregoing embodiment 1, it is mentioned that the first lock tooth 21 and the second lock tooth 31 may slip after being locked, because the pedal 100 needs to bear the downward pressure of the foot, when the pedal 100 is fixed at a certain angle, the foot is pressed against the pedal 100, so that the pedal 100 may be forced to drive the lock shaft member 2 to rotate downward, if the engagement angle of the first lock tooth 21 and the second lock tooth 31 is too flat, the slipping phenomenon may occur easily, where the first lock tooth 21 and the second lock tooth 31 are both inclined plane teeth, and the directions of the two are opposite.

Referring to fig. 1, a wrapping member 7 is further installed on the outer side of the connecting seat 1 and the inner side of the rotating seat 5, and the wrapping member 7 can wrap the connecting seat 1 and the lock shaft member 2, and the elastic locking member 3 and the unlocking member 4.

Referring to fig. 1, the connecting member 8 includes a telescopic outer tube 81 and a telescopic inner tube 82 capable of performing a telescopic action relative to the telescopic outer tube 81, one end of the telescopic inner tube 82 is provided with a fixing seat 810 capable of being fixedly connected with an office chair, the fixing seat 810 is provided with a fixing hole 811, during installation, the fixing seat 810 is installed below the seat by a bolt from below, in addition, the connecting seat 1 is fixedly connected with the telescopic inner tube 82, when the pedal 100 is pulled, the telescopic inner tube 82 stretches out and draws back, and the telescopic outer tube 81 is fixed below the seat.

The inner side of the telescopic inner tube 82 is provided with a limiting lock pin 820, the position of the telescopic outer tube 81 corresponding to the limiting lock pin 820 is provided with a limiting lock groove 812, when the telescopic inner tube 82 slides outwards, the limiting lock pin 820 and the limiting lock groove 812 are matched with each other to limit the outermost travel of the pedal 100, and when the telescopic inner tube 82 is in specific implementation, clamping grooves and clamping blocks or rails can be arranged on the telescopic inner tube 82 and the telescopic outer tube 81 to further carry out transverse or longitudinal limiting, so that the stability of the pedal 100 during sliding is improved.

The above embodiments are only preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present utility model are intended to be within the scope of the present utility model as claimed.

Claims (9)

1. The utility model provides a rotatable angle regulation formula pedal for office chair, includes connecting piece, pedal, the connecting piece is used for with office chair fixed connection, the tip rotation of connecting piece is connected with pedal, its characterized in that: the end connection of connecting piece has the connecting seat, one side of connecting seat is equipped with the lock axle spare, pedal realize through the lock axle spare with the connecting seat pivoted is connected, the periphery department of lock axle spare is equipped with first lock tooth, the side of lock axle spare is equipped with the unblock bolt, one side of connecting seat is equipped with the elasticity and goes up the lock spare, the position that the elasticity goes up the lock spare and corresponds first lock tooth is equipped with the second lock tooth, the coaxial heart position in one side of lock axle spare is equipped with the unblock piece, the position that the periphery of unblock piece corresponds the second lock tooth is equipped with the unlocking piece, still be equipped with on the unblock piece and supply unblock bolt gliding unblock spout, can drive first lock tooth and carry out gear locking for the second lock tooth when upwards rotating the pedal, thereby unblock bolt just reaches the unblock piece forward rotation of unblock spout to be driven to the unblock piece when being located the first lock tooth of uppermost, finally can reset through the unblock piece, when reset is accomplished, thereby can drive unblock piece reverse to arrive the unblock piece and stop the unblock piece, thereby can return to the original position of unblock piece to the realization when reset.

2. A rotatable angle-adjustable footrest for an office chair as claimed in claim 1, wherein: the utility model discloses a lock, including lock shaft spare, unlocking piece, spring, lock seat, rotary seat, unlocking piece cover and lock shaft spare, the both sides of lock shaft spare all are equipped with the bush, the unlocking piece cover is located on the bush, the inboard of locking piece is equipped with the spring in elasticity, and the spring is gone up the locking piece and is realized pushing up the direction to lock shaft spare all the time by means of the spring, the inboard of connecting seat is equipped with the shaft hole that supplies the bush to pass, and pedal inboard is equipped with rotates the seat, be equipped with the swivel mount hole on rotating the seat, the both sides of rotating the seat still are equipped with the fastener that can pass swivel mount hole and bush joint.

3. A rotatable angle-adjustable footrest for an office chair as claimed in claim 2, wherein: the fastening piece is provided with an inserting column, the inserting column can be inserted into a tube cavity of the shaft sleeve, the outer side of the fastening piece is further provided with a fastening clamping groove, the outer side of the rotating seat is provided with a fastening clamping block corresponding to the fastening clamping groove, the fastening piece is inserted inwards from two outer sides of the rotating seat and is clamped with the fastening clamping block through the fastening clamping groove, and accordingly pedal and inner-side locking shaft piece linkage is achieved.

4. A rotatable angle-adjustable footrest for an office chair as claimed in claim 3, wherein: the outer circumferential section of the plug-in column and the inner cavity section of the shaft sleeve are square sections so as to prevent rotation and slipping.

5. A rotatable angle-adjustable footrest for an office chair as claimed in any one of claims 1-4, wherein: the connecting seat is close to the one end of lock axle spare and is equipped with spacing spout, the lock axle spare is equipped with spacing bolt in the position that corresponds spacing spout, and when rotating pedal drive lock axle spare rotated, spacing bolt just is located the slip of spacing spout in order to prevent that the lock axle spare from excessively rotating.

6. A rotatable angle-adjustable footrest for an office chair as claimed in any one of claims 1-4, wherein: the first locking teeth and the second locking teeth are inclined plane clamping teeth, and the directions of the first locking teeth and the second locking teeth are opposite.

7. A rotatable angle-adjustable footrest for an office chair as claimed in any one of claims 1-4, wherein: the outside of connecting seat, the inboard of rotating the seat still install the parcel piece, the parcel piece can be with connecting seat and lock axle spare, elasticity go up locking piece and unblock piece parcel.

8. A rotatable angle-adjustable footrest for an office chair as claimed in any one of claims 1-4, wherein: the connecting piece includes flexible outer tube and can do flexible inner tube of flexible action for flexible outer tube, the one end of flexible inner tube is equipped with the fixing base that can with office chair fixed connection, is equipped with the fixed orifices on the fixing base, wherein connecting seat and the interior tube fixed connection of stretching out one's hands.

9. A rotatable angle-adjustable footrest for an office chair as claimed in claim 8, wherein: the inner side of the telescopic inner tube is provided with a limiting lock pin, the position of the telescopic outer tube corresponding to the limiting lock pin is provided with a limiting lock groove, and the telescopic inner tube is matched with the limiting lock groove to limit the outermost travel of the pedal when sliding outwards.