CN218605815U - Stop-capable bidirectional sliding assembly and adjustable waist rest - Google Patents

Abstract

The utility model provides a two-way sliding component capable of stopping and an adjustable waist rest, which comprises a mounting seat, two one-way moving parts and an unlocking part, wherein the two one-way moving parts are fixedly arranged on the mounting seat, respectively penetrate through two adjusting rods and can slide relative to the adjusting rods, and the moving directions of the two one-way moving parts are opposite; unlocking piece includes first unlocking part and second unlocking part, first unlocking part and second unlocking part are located two unidirectional movement spare's direction of motion's front end respectively to with unidirectional movement spare butt, first unlocking part and second unlocking part are respectively simultaneously to two unidirectional movement spare place side motion in order to unblock unidirectional movement spare, so that unidirectional movement spare adjustable pole's slip relatively, or first unlocking part and second unlocking part reset, with the locking unidirectional movement spare, the restriction the slip of unidirectional movement spare. The utility model discloses can conveniently adjust the bearing height that the waist leaned on, make it be suitable for different crowds.

Description

Stop-capable bidirectional sliding assembly and adjustable waist rest

Technical Field

The utility model relates to a technical field that the waist leaned on, concretely relates to two-way slip subassembly and adjustable waist that can only stop lean on.

Background

In the current society, the lumbar vertebra problem brought to people by sitting for a long time is more serious regardless of office workers or students. People can increase a waist rest at the backrest of the office chair for reducing fatigue caused by long-time sitting and improving the comfort level so as to support the natural bending part of the lumbar vertebra, avoid the lumbar vertebra from being in an outward bending state for a long time and easily cause the problem of the protruding isosceles vertebra of the lumbar vertebra disc.

And the waist among the prior art leans on mostly unable regulation, and this type of waist leans on the size singleness, can't adapt to the not crowd of fat thin of height, can't satisfy individuation difference. Or the height-adjustable lumbar support adopts a mode that the clamping groove is matched with the clamping block, for example, the Chinese utility model patent No. CN214874368U with the patent name of "a lumbar support with adjustable supporting height", discloses that the lumbar support comprises a main body which is arranged on a seat so as to realize the support of the waist; the fixing component is arranged in the middle of the main body; the supporting component is fixedly connected with the fixing component and is used for supporting the waist, and the supporting component can be adjusted on the fixing component; the support assembly comprises a clamping head and a clamping block, the clamping block is provided with a plurality of clamping grooves, and the clamping head is driven to move in the clamping grooves so as to adjust the support assembly; this adjustment mode is for having the level to adjust, and the quantity that stops the groove is limited, leads to the control range comparatively to be restricted, still can't adapt to the not fat thin crowd of different heights, can't satisfy the individuation difference.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model provides a can only stop two-way slip subassembly and adjustable waist lean on, can conveniently adjust the bearing height and the fore-and-aft distance that the waist leaned on, make it be suitable for different crowds.

In order to achieve the above purpose, the utility model provides a technical scheme as follows:

a two-way sliding assembly capable of stopping comprises a mounting seat, two one-way moving pieces and an unlocking piece, wherein the two one-way moving pieces and the unlocking piece are fixedly arranged on the mounting seat, the two one-way moving pieces are respectively arranged on two adjusting rods in a penetrating mode and can slide relative to the adjusting rods, and the moving directions of the two one-way moving pieces are opposite; the unlocking piece comprises a first unlocking part and a second unlocking part, the first unlocking part and the second unlocking part are respectively located at the front ends of the moving directions of the two unidirectional moving parts and abut against the unidirectional moving parts, the first unlocking part and the second unlocking part move to the side where the two unidirectional moving parts are located to unlock the unidirectional moving parts simultaneously, so that the unidirectional moving parts can relatively adjust the rod to slide, or the first unlocking part and the second unlocking part reset to lock the unidirectional moving parts and limit the sliding of the unidirectional moving parts.

Further, first unlocking part and second unlocking part all include dog and linking arm, the root of dog is fixed to be located on the mount pad, and one side and the one-way motion piece butt of dog, the opposite side and the linking arm butt of dog, through the drive the linking arm drives the skew of dog toward one-way motion piece place side or resets, in order to unblock one-way motion piece or locking one-way motion piece.

Furthermore, the moving direction of the connecting arm is perpendicular to the moving direction of the unidirectional moving piece, one side, abutted against the connecting arm, of the stop block is provided with an unlocking inclined plane, and the connecting arm is driven to move along the unlocking inclined plane to drive the stop block to deviate towards the side where the unidirectional moving piece is located so as to unlock the unidirectional moving piece; or the connecting arm resets to drive the stop block to return to the positive position so as to lock the unidirectional moving piece again.

Furthermore, the connecting arm of the first unlocking part and the second unlocking part is a support arm which is positioned between the two unidirectional moving parts and extends outwards from two sides of the trigger block.

Furthermore, a compression spring is connected between the trigger block and the mounting seat, and the trigger block is driven to move by stretching and resetting of the compression spring so as to drive the stop block and the unidirectional moving piece to act.

Furthermore, the unidirectional moving part comprises a main body section and a telescopic section, a sleeve and an elastic part are arranged in the main body section, two ends of the elastic part are respectively connected with the sleeve and the telescopic section, the telescopic section can relatively extend out of the main body section or retract back into the main body section under the action of the elastic part to be clamped with the sleeve, the telescopic section comprises a plurality of balls and a clamping seat, a conical head is arranged at the end part of the clamping seat, the conical head is provided with inclined positioning holes for mounting the balls, and the balls are annularly arranged on the peripheral side of the adjusting rod; the first unlocking part or the second unlocking part acts to drive the telescopic section to retract into the main body section, and the one-way moving part is unlocked to enable the one-way moving part to slide relative to the adjusting rod; the first unlocking part or the second unlocking part resets to drive the telescopic section to extend out of the main body section, and the ball holds the periphery of the adjusting rod tightly so as to lock the unidirectional moving part and limit the sliding of the unidirectional moving part.

Further, the mount pad includes spacing base and end cover, the end cover is located on spacing base, and the cavity that supplies unidirectional movement spare and unlocking piece to hold is formed to the inner space of the two, the through-hole that supplies the regulating rod to wear to establish is still seted up at the both ends of cavity.

The utility model also provides an adjustable waist is by, lean on main part, supporting component and two-way slip subassembly including the waist, two-way slip subassembly is above can end the two-way slip subassembly that stops, two-way slip subassembly's mount pad and supporting component fixed connection, it locates to adjust the pole fixed the waist and leans on in the main part, and along the direction of height setting of main part is leaned on to the waist, the supporting component is in through two-way slip subassembly the waist is leaned on in the main part and is slided in order to adjust the supporting component relative the height that the main part was leaned on to the waist, or the supporting component ends through two-way slip subassembly and stops the waist is leaned on a certain position of main part.

Furthermore, be equipped with the seat of adjusting in the waist leans on the main part, it is fixed in order for adjusting the installation of pole to adjust the seat, just the mount pad is in the inside of adjusting the seat, adjust the seat and seted up the bar groove towards one side of supporting component, so that supply the part of mount pad is worn out and is connected with the supporting component.

Furthermore, the adjusting seat is located in the middle of the waist rest main body and is of a triangular structure with a wide upper part and a narrow lower part.

Through the utility model provides a technical scheme has following beneficial effect:

the utility model discloses an adjust the cooperation of pole and the two-way slip subassembly that can only stop, the regulation mode that realizes that the waist leans on is infinitely variable control, and supporting component can be stopped by the optional position of main part at the waist promptly to realize supporting component's altitude mixture control, and the regulation seat of adoption makes the relative waist of supporting component lean on the fore-and-aft distance of main part also can adjust for narrow triangle body structure about wide, makes its crowd that adapts to the fat thin of different heights, satisfies individuation difference.

Drawings

FIG. 1 is a schematic structural diagram according to a first embodiment;

FIG. 2 is a schematic structural view of the first embodiment, with the limiting base removed;

FIG. 3 is a schematic structural view of the first embodiment, in which the limiting base and the adjusting lever are removed;

FIG. 4 is an enlarged view of a portion of FIG. 3;

FIG. 5 is a cross-sectional view of the bi-directional slide assembly;

FIG. 6 is an enlarged view of a portion of FIG. 5;

FIG. 7 is a schematic structural diagram according to a second embodiment;

FIG. 8 is a sectional view of the second embodiment;

fig. 9 is a partially enlarged view of fig. 8.

Description of the reference symbols:

the locking device comprises a mounting seat 1, a through hole 101, a limiting base 11, an end cover 12, a unidirectional motion part 2, a main body section 21, a sleeve 211, an elastic part 212, a telescopic section 22, a conical head 220, a ball 221, a clamping seat 222, a positioning hole 223, an unlocking part 3, a first unlocking part 31, a second unlocking part 32, an unlocking inclined plane 300, a stop block 301, a connecting arm 302, a trigger block 303, a compression spring 304 and an adjusting rod 4;

the two-way sliding component 10, the lumbar support body 20, the adjusting seat 201, the strip-shaped groove 202 and the supporting component 30.

Detailed Description

To further illustrate the embodiments, the present invention provides the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the embodiments. With these references, one of ordinary skill in the art will appreciate other possible embodiments and advantages of the present invention. The components in the drawings are not necessarily to scale, and similar reference numerals are generally used to identify similar components.

The present invention will now be further described with reference to the accompanying drawings and detailed description.

Example 1:

referring to fig. 1 to 6, the two-way sliding assembly 10 capable of stopping includes a mounting base 1, two one-way moving members 2 and an unlocking member 3 fixedly disposed on the mounting base 1, wherein the two one-way moving members 2 respectively penetrate through two adjusting rods 4 and can slide relative to the adjusting rods 4, and the moving directions of the two one-way moving members 2 are opposite. The unlocking piece 3 comprises a first unlocking part 31 and a second unlocking part 32, the first unlocking part 31 and the second unlocking part 32 respectively move towards the sides of the two unidirectional moving pieces 2 at the same time to drive the unlocking unidirectional moving pieces 2, so that the unidirectional moving pieces 2 can slide relative to the adjusting rod 4, or the first unlocking part 31 and the second unlocking part 32 reset to lock the unidirectional moving pieces 2 and limit the unidirectional moving pieces 2 to slide relative to the adjusting rod 4. Thus, the first unlocking part 31 and the second unlocking part 32 are arranged to simultaneously act so that the unidirectional moving member 2 can slide relative to the adjusting rod 4; when the first unlocking part 31 and the second unlocking part 32 are not operated, the movement of the unidirectional moving member 2 is limited, so that the bidirectional sliding assembly 10 is stopped at a certain position on the adjusting rod 4; thus, the bidirectional sliding unit 10 can slide and stop relative to the adjustment lever 4.

In this embodiment, as shown in fig. 3 to 4, each of the first unlocking portion 31 and the second unlocking portion 32 includes a stop block 301 and a connecting arm 302, a root of the stop block 301 is fixed on the mounting base 1, one side of the stop block 301 abuts against the unidirectional moving member 2, the other side of the stop block 301 abuts against the connecting arm 302, and the connecting arm 302 is driven to drive the stop block 301 to shift or reset toward the side of the unidirectional moving member 2, so as to unlock the unidirectional moving member 2 or lock the unidirectional moving member 2. Further, the moving direction of the connecting arm 302 is perpendicular to the moving direction of the unidirectional moving member 2, one side of the stop block 301 abutted to the connecting arm 302 is provided with an unlocking inclined plane 300, the connecting arm 302 is driven to move along the unlocking inclined plane 300 to drive the stop block 301 to offset to the side of the unidirectional moving member 2, so as to unlock the unidirectional moving member 2, or the connecting arm 302 is reset to drive the stop block 301 to return to the right position, so as to lock the unidirectional moving member 2 again.

Wherein, the root side of the connection between the stopper 301 and the mounting base 1 is defined as the front side, and the other side far away from the front side is defined as the rear side, the moving direction of the connecting arm 302 is the front and rear sides, and the moving direction of the unidirectional moving element 2 is the upper and lower sides. In this embodiment, the thickness of the unlocking slant 300 gradually increases from back to front, and when the connecting arm 302 moves forward, the stopper 301 is driven to incline to the side of the unidirectional moving member 2, so as to unlock the unidirectional moving member 2, and thus the unidirectional moving member 2 slides; when the connecting arm 302 is reset and moves backwards, the stop block 301 is enabled to be reset, and the unidirectional moving piece 2 is locked again, so as to limit the sliding of the unidirectional moving piece 2 relative to the adjusting rod 4. Of course, in other embodiments, the thickness of the unlocking slant 300 may be gradually reduced from back to front, so that when the connecting arm 302 moves backwards, the stopper 301 is driven to incline towards the side of the unidirectional moving element 2; the connecting arm 302 moves forward to reset the stop 301, which is not limited herein.

In order to realize the synchronous action of the connecting arms 302 of the first unlocking part 31 and the second unlocking part 32, the connecting arms 302 of the first unlocking part 31 and the second unlocking part 32 are support arms extending outwards from two sides of the trigger block 303 positioned between the two unidirectional moving parts 2; the synchronous action of the two unidirectional moving parts 2 is driven by driving the trigger block 303 to move back and forth, so that the consistency of the action of the two unidirectional moving parts 2 is ensured. The specific implementation manner of the back-and-forth movement of the trigger block 303 is that a compression spring 304 is connected between the trigger block 303 and the mounting base 1, and the trigger block 303 is driven to move by the stretching and resetting of the compression spring 304 so as to drive the stopper 301 and the unidirectional moving part 2 to move. Specifically, when the trigger block 303 is pulled forward, the two connecting arms 302 are driven to move forward along the unlocking inclined plane 300, so as to drive the stop block 301 to shift to one side of the unidirectional moving member 2, thereby unlocking the unidirectional moving member 2, and the unidirectional moving member 2 can freely slide relative to the adjusting rod 4. Pushing the trigger block 303 backward drives the two connecting arms 302 to return backward along the unlocking slant 300 to drive the stop block 301 to return to the right position, so as to lock the unidirectional moving member 2 and limit the unidirectional moving member 2 from sliding relative to the adjusting lever 4, so that the bidirectional sliding assembly 10 stops on the adjusting lever 4.

In this embodiment, the unidirectional moving member is a moving mechanism which can move freely in one direction and can generate larger resistance force in the other direction to prevent the unidirectional moving member from moving in the direction. In the present embodiment, as shown in fig. 5 to fig. 6, two unidirectional moving elements 2 are fixed on a mounting base 1, and the moving directions of the two unidirectional moving elements 2 are opposite. The unidirectional moving part 2 comprises a main body section 21 and a telescopic section 22, a sleeve 211 and an elastic part 212 are arranged in the main body section 21, two ends of the elastic part 212 are respectively connected with the sleeve 211 and the telescopic section 22, the telescopic section 22 can relatively extend out of the main body section 21 or retract back into the main body section 21 under the action of the elastic part 212 to be clamped with the sleeve 211, the telescopic section 22 comprises a plurality of balls 221 and a clamping seat 222, a conical head 220 is arranged at the end part of the clamping seat 222, the conical head 220 is provided with an inclined positioning hole 223 for mounting the balls 221, and the balls 221 are annularly arranged on the peripheral side of the adjusting rod 4; the first unlocking part 31 or the second unlocking part 32 acts to enable the stop block 301 to deviate towards the side of the unidirectional moving part 2 so as to drive the telescopic section 22 to retract into the main body section 21, the balls 221 are mutually separated along the inclined surface of the positioning hole 223 so as to release the holding effect on the adjusting rod 4, so that the unidirectional moving part 2 is unlocked, and the unidirectional moving part 2 can slide relative to the adjusting rod 4; the first unlocking portion 31 or the second unlocking portion 32 drives the stopper 301 to return to the positive position, and then the telescopic section 22 extends out of the main body section 21 under the restoring force of the elastic member 212, so that the ball 221 gradually draws along the inclination angle of the positioning hole 223 in the engaging seat 222 to hug the peripheral side of the adjusting rod 4, lock the unidirectional moving member 2, and limit the sliding of the unidirectional moving member 2 relative to the adjusting rod 4.

Further, mount pad 1 includes spacing base 11 and end cover 12, and end cover 12 covers and locates on spacing base 11, and the inner space of the two forms the cavity that supplies unidirectional movement piece 2 and unlocking piece 3 to hold, the through-hole 101 that supplies adjusting rod 4 to wear to establish has still been seted up at the both ends of cavity. Thus, the bi-directional sliding assembly 10 forms a complete assembly for use in other structures.

Example 2:

referring to fig. 7 to 9, the present invention further provides an adjustable lumbar support, including a lumbar support main body 20, a support component 30 and a bidirectional sliding component 10, the bidirectional sliding component 10 is the above-mentioned embodiment 1, the two-way sliding component can be stopped, the mount 1 of the bidirectional sliding component 10 is fixedly connected to the support component 30, the adjusting rod 4 is fixedly disposed on the lumbar support main body 20, and is arranged along the height direction of the lumbar support main body 20, the support component 30 slides on the lumbar support main body 20 through the bidirectional sliding component 10 to adjust the height of the support component 30 relative to the lumbar support main body 20, or the support component 30 is stopped at a certain position of the lumbar support main body 20 through the bidirectional sliding component 10. So, make supporting component 30 can adjust any height that is located lumbar support main part 20 through this two-way slip subassembly 10 to stop in this position, to realize the infinitely variable control that the lumbar was leaned on, make its crowd that adapts to different heights fat thin, satisfy the individuation difference.

In this embodiment, be equipped with on the lumbar support main part 20 and adjust seat 201, adjust seat 201 and fix in order to supply the installation of adjusting pole 4, just two-way sliding subassembly 10 is located the inside of adjusting seat 201, adjust seat 201 and seted up bar groove 202 towards one side of supporting component 30, so that supply the part of the unlocking piece 3 of two-way sliding subassembly 10 is worn out and is connected with supporting component 30. Further, the adjusting seat 201 is located in the middle of the lumbar support main body 20, and the adjusting seat 201 is in a triangular structure with a wide top and a narrow bottom, so that the front-back distance of the supporting component 30 relative to the lumbar support main body 20 can be correspondingly adjusted while the height of the supporting component 30 relative to the lumbar support main body 20 is adjusted.

The adjustable waist support has the following adjusting process:

pulling the supporting assembly 30 in a direction away from the lumbar support body 20 to drive the unlocking piece 3 to move, so that the connecting arms 302 of the first unlocking part 31 and the second unlocking part 32 respectively move along the unlocking inclined planes 300 of the stop block 301, so that the stop block 301 is shifted to the side of the unidirectional moving piece 2 to unlock the unidirectional moving piece 2, and the unidirectional moving piece 2 can slide relative to the adjusting rod 4 arranged on the lumbar support body 20; at this time, the height and the front-back distance of the supporting component 30 relative to the lumbar support main body 20 can be adjusted by pulling the supporting component 30 along the height direction of the lumbar support main body 20;

after the adjustment is completed, the supporting component 30 is pushed to the direction close to the lumbar support body 20 to drive the unlocking piece 3 to reset, so that the stop block 301 returns to lock the unidirectional movement piece 2 again, and the supporting component 30 stops at the fixed height of the lumbar support body to facilitate the user to support the waist.

While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (10)

1. A can two-way slip subassembly of stopping which characterized in that: the locking device comprises a mounting seat, two unidirectional moving pieces and an unlocking piece, wherein the two unidirectional moving pieces and the unlocking piece are fixedly arranged on the mounting seat, the two unidirectional moving pieces are respectively arranged on two adjusting rods in a penetrating way and can slide relative to the adjusting rods, and the moving directions of the two unidirectional moving pieces are opposite; the unlocking piece comprises a first unlocking part and a second unlocking part, the first unlocking part and the second unlocking part are respectively located at the front ends of the moving directions of the two unidirectional moving parts and abut against the unidirectional moving parts, the first unlocking part and the second unlocking part move to the side where the two unidirectional moving parts are located to unlock the unidirectional moving parts simultaneously, so that the unidirectional moving parts can relatively adjust the rod to slide, or the first unlocking part and the second unlocking part reset to lock the unidirectional moving parts and limit the sliding of the unidirectional moving parts.

2. A stoppable bi-directional slide assembly according to claim 1 wherein: first unlocking part and second unlocking part all include dog and linking arm, the root of dog is fixed to be located on the mount pad, and one side and the one-way motion piece butt of dog, the opposite side and the linking arm butt of dog are through the drive the linking arm drives the skew of dog toward one-way motion piece place side or resets, in order to unblock one-way motion piece or locking one-way motion piece.

3. The stoppable bi-directional slide assembly of claim 2 wherein: the moving direction of the connecting arm is perpendicular to the moving direction of the unidirectional moving piece, one side, abutted against the connecting arm, of the stop block is provided with an unlocking inclined plane, and the connecting arm is driven to move along the unlocking inclined plane to drive the stop block to deviate towards the side where the unidirectional moving piece is located so as to unlock the unidirectional moving piece; or the connecting arm resets to drive the stop block to return to the right position so as to lock the unidirectional moving piece again.

4. A stoppable bi-directional slide assembly according to claim 3 wherein: the connecting arm of the first unlocking part and the second unlocking part is a supporting arm which is positioned between the two unidirectional moving parts and extends outwards from two sides of the trigger block.

5. The stoppable bi-directional slide assembly of claim 4 wherein: and a compression spring is connected between the trigger block and the mounting seat, and the trigger block is driven to move by stretching and resetting the compression spring so as to drive the stop block and the unidirectional moving part to act.

6. A stoppable bi-directional slide assembly according to claim 1 wherein: the unidirectional moving part comprises a main body section and a telescopic section, a sleeve and an elastic part are arranged in the main body section, two ends of the elastic part are respectively connected with the sleeve and the telescopic section, the telescopic section can relatively extend out of the main body section or retract back into the main body section under the action of the elastic part to be clamped with the sleeve, the telescopic section comprises a plurality of balls and a clamping seat, a conical head is arranged at the end part of the clamping seat, an inclined positioning hole for mounting the balls is formed in the conical head, and the balls are annularly arranged on the periphery of the adjusting rod; the first unlocking part or the second unlocking part acts to drive the telescopic section to retract into the main body section, and the one-way moving part is unlocked to enable the one-way moving part to slide relative to the adjusting rod; the first unlocking part or the second unlocking part resets to drive the telescopic section to extend out of the main body section, and the ball clasps the peripheral side of the adjusting rod to lock the unidirectional moving part and limit the sliding of the unidirectional moving part.

7. A stoppable bi-directional slide assembly according to claim 1 wherein: the mount pad includes spacing base and end cover, the end cover is located on spacing base, and the inner space of the two forms the cavity that supplies unidirectional movement spare and deblocking spare to hold, the through-hole that supplies the regulating lever to wear to establish is still seted up at the both ends of cavity.

8. An adjustable lumbar support, characterized in that: including waist by main part, supporting component and two-way slip subassembly, two-way slip subassembly is any claim 1-7 the two-way slip subassembly that can only stop, two-way slip subassembly's mount pad and supporting component fixed connection, adjust the pole and fix on the waist by the main part, and along the direction of height setting of waist by the main part, the supporting component passes through two-way slip subassembly and is in it is relative with the regulation supporting component in the waist by the main part the height of waist by the main part, or the supporting component stops through two-way slip subassembly a certain position of waist by the main part.

9. The adjustable lumbar support according to claim 8, wherein: the waist leans on and is equipped with the regulation seat in the main part, it is fixed in order to supply the installation of regulation pole to adjust the seat, just the two-way slip subassembly is located the inside of adjusting the seat, adjust the seat and seted up the bar groove towards one side of supporting component, in order to supply the part of the piece of releasing from the lock of two-way slip subassembly is worn out and is connected with the supporting component.

10. The adjustable lumbar support according to claim 9, wherein: the adjusting seat is located in the middle of the waist rest main body and is of a triangular structure with a wide upper part and a narrow lower part.

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