CN215590549U - Angle regulator with strengthened strength - Google Patents
Angle regulator with strengthened strength Download PDFInfo
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- CN215590549U CN215590549U CN202122484348.0U CN202122484348U CN215590549U CN 215590549 U CN215590549 U CN 215590549U CN 202122484348 U CN202122484348 U CN 202122484348U CN 215590549 U CN215590549 U CN 215590549U
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Abstract
The application provides a strength-strengthened angle adjuster which is provided with an inner gear and an outer gear; the side surface of the external gear is provided with a circular groove, the internal gear is arranged in the groove, the internal gear and the external gear are concentrically arranged and mutually meshed, the circumferential surface of the internal gear is provided with internal gear teeth, and the groove is internally provided with external gear teeth matched with the internal gear teeth; the method is characterized in that: the adjusting mechanism is also arranged to drive the inner gear to approach or separate from the outer gear; the internal gear adopts double-deck gear, the corresponding two layers of outer teeth of a cogwheel that are equipped with in the recess, wherein the inlayer that the external gear side is pressed close to one deck, and another layer is the skin of keeping away from the external gear side, the diameter of the outer wheel tooth place circumference of inlayer is less than the diameter of outer wheel tooth place circumference.
Description
Technical Field
The application belongs to the technical field of automobile seat folding angle adjustment, and particularly relates to an angle adjuster with strengthened strength.
Background
The angle adjuster is a device which is arranged on an automobile seat and realizes the angle adjustment of a seat backrest; when the angle of the seat back is adjusted, the locked state of the seat core unit is released by the repeated load transmission to the seat back by the passenger, and the inclination of the seat back changes.
In the conventional manual angle adjuster or electric angle adjuster, a gear is suspended to be partially displaced in the axial direction of a rotating shaft due to an external load transmitted through a seat back, and the problem is that the gear is deformed due to the suspension of a coupling during a static load strength test of the angle adjuster, so that the tooth meshing precision is reduced, the strength error is generated, and the commodity of the angle adjuster is reduced.
Disclosure of Invention
The utility model aims to make up the defects of the prior art and provides an angle adjuster with strengthened strength, and the technical scheme adopted by the application is as follows:
a strength-strengthened angle adjuster is provided with an inner gear and an outer gear; the side surface of the external gear is provided with a circular groove, the internal gear is arranged in the groove, the internal gear and the external gear are concentrically arranged and mutually meshed, the circumferential surface of the internal gear is provided with internal gear teeth, and the groove is internally provided with external gear teeth matched with the internal gear teeth; the method is characterized in that: the adjusting mechanism is also arranged to drive the inner gear to approach or separate from the outer gear; the internal gear adopts double-deck gear, the corresponding two layers of outer teeth of a cogwheel that are equipped with in the recess, wherein the inlayer that the external gear side is pressed close to one deck, and another layer is the skin of keeping away from the external gear side, the diameter of the outer wheel tooth place circumference of inlayer is less than the diameter of outer wheel tooth place circumference.
Optionally, a first shaft hole is formed in the center of the outer gear, and the diameter of the first shaft hole is smaller than the diameter of the inner circle of the groove; the inner gear is annular, and a hole in the inner circumference of the inner gear forms a second shaft hole; the diameter of the outer circle of the inner gear is matched with that of the outer circle of the groove, and the diameter of the inner circle of the inner gear is larger than that of the inner circle of the groove; the adjusting mechanism is arranged between the inner circle of the inner gear and the inner circle of the groove.
Optionally, the adjusting mechanism is provided with a shaft sleeve, a shaft coupling, a wedge block and a bushing, the shaft sleeve, the shaft coupling, the wedge block and the bushing are coaxially arranged and synchronously rotate, the bushing is sleeved outside the shaft sleeve, and the shaft coupling and the wedge block are arranged between the shaft sleeve and the bushing; the coupling is in a semicircular shape; the wedge block is arc-shaped, the inner circumference of the wedge block abuts against the outer circumference of the coupling, and the outer circumference of the wedge block abuts against the inner circumference of the bushing; one end of the shaft sleeve is inserted into the first shaft hole, and the shaft sleeve and the external gear form rotary connection; the bushing is fixedly arranged in the second shaft hole; the inner circumference of the coupling abuts against the inner circumference of the groove.
Optionally, the other end of the shaft sleeve is provided with a flanging, the coupling is abutted against the side surface of the flanging, the two ends of the coupling are provided with boss parts which are arranged on the outer circumference of the coupling, and the side surface of the flanging is correspondingly provided with two matching parts, and the boss parts are abutted against the matching parts.
Alternatively, two wedges are provided, both wedges being rotatable in the circumferential direction of the coupling.
Optionally, the outer ends of the two wedges respectively abut against the corresponding boss portions, and a gap is formed between the two wedges.
Optionally, a spring is arranged between the two wedges and provides pressure to the wedges in the expansion direction.
Optionally, the spring is a flat spiral spring, the body of the spring is sleeved on the coupling and attached to the outer side of the flanging, two ends of the spring are provided with bayonet locks, and the bayonet locks extend inwards along the axial direction of the coupling; the outer flanging is provided with a through hole for the bayonet to pass through, and the inner end of the wedge block is provided with an anti-falling groove matched with the bayonet; the bayonet lock penetrates through the through hole and is inserted into the anti-falling groove.
Optionally, the thickness of the wedge is the same as the thickness of the coupling, and the wedge and the coupling are both abutted against the side surface of the flanging.
The utility model has the following advantages:
the adjusting mechanism drives the inner gear to be close to the outer gear, and the angle adjuster is locked; the adjusting mechanism drives the inner gear to be separated from the outer gear, the angle adjuster is unlocked, and the angle of the chair back can be adjusted; the inner gear adopts double-layer gears, two outer gear teeth are correspondingly arranged in the groove, the diameter of the circumference of the outer gear teeth of the inner layer is smaller than that of the circumference of the outer gear teeth of the outer layer, when the angle adjuster is locked, double-layer meshing is formed by the inner gear teeth of the inner gear and the outer gear teeth of the outer gear, the meshing strength of the gears is increased, the inner gear teeth and the outer gear are mutually meshed in vehicle collision, the angle adjuster is prevented from being unlocked, and the stability of the angle adjuster is improved.
The adjusting mechanism is arranged between the inner circle of the inner gear and the inner circle of the groove, the integration level of the angle adjuster is increased, the internal structure of the angle adjuster is compact, the overall occupied space of the angle adjuster is reduced, and the using effect of the internal space of the automobile is improved.
The adjusting mechanism drives the inner gear to be separated from the outer gear, the angle adjuster is unlocked and drives the wedge block to rotate along the outer circumference of the coupling, the wedge block pushes the boss part to drive the coupling to rotate, the boss part drives the shaft sleeve to rotate through the matching part, and then the bushing and the inner gear are driven to rotate, so that the angle of the chair back is adjusted.
The wedge block is arc-shaped and is attached to the outer circumference of the coupling, the wedge block rotates along the outer circumference of the coupling and is attached to the outer circumference of the coupling all the time, the structure is stable and compact, and the reliability of the angle adjuster is improved.
And a gap is formed between the two wedge blocks, and the gap forms buffering, so that the damage to the adjusting mechanism caused by vehicle collision is avoided.
Be equipped with the spring between two voussoirs, the spring provides the pressure of expansion direction for the voussoir, outwards compresses tightly two voussoirs to boss portion, angle modulation ware locking, and the position of voussoir is stable, avoids producing the noise because the voussoir slides.
The spring adopts a plane spiral spring, and the stability of the effect of adjusting circular motion is utilized, so that the wedge block is stably pressed on the boss part.
The thickness of voussoir is the same with the thickness of shaft coupling, and voussoir and shaft coupling all paste and lean on in the side of flanging, increase the inside intensity of angle modulation ware for angle modulation ware inner structure is compacter.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
FIG. 1 is a perspective view of a first embodiment of the present invention;
FIG. 2 is an exploded view of a first embodiment of the present invention;
FIG. 3 is a schematic illustration of an internal gear of the present invention;
FIG. 4 is a schematic illustration of an external gear of the present invention;
fig. 5 is an exploded view of a second embodiment of the present invention.
The symbols in the drawings illustrate that:
1 is an external gear, 11 is a groove, 12 is an external gear tooth, and 13 is a first shaft hole;
2 is an internal gear, 21 is an internal gear tooth, and 22 is a second shaft hole;
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in 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 present application and are not intended to limit the present application.
The strength-enhanced recliner provided in the embodiments of the present application will now be described.
In the first embodiment, as shown in fig. 1 to 4:
a strength-strengthened recliner is provided with an inner gear 2 and an outer gear 1; the side surface of the external gear 1 is provided with a circular groove 11, the internal gear 2 is arranged in the groove 11, the internal gear 2 and the external gear 1 are concentrically arranged and are meshed with each other, the circumferential surface of the internal gear 2 is provided with internal gear teeth 21, and the groove 11 is internally provided with external gear teeth 12 matched with the internal gear teeth; the adjusting mechanism 3 is further arranged to drive the inner gear 2 to approach or separate from the outer gear 1.
The internal gear 2 adopts double-layer gears, two layers of external gear teeth 12 are correspondingly arranged in the groove 11, one layer is an internal layer close to the side face of the external gear 1, the other layer is an external layer far away from the side face of the external gear 1, and the diameter of the circumference where the external gear teeth 12 of the internal layer are located is smaller than that of the circumference where the external gear teeth 12 of the external layer are located.
A first shaft hole 13 is formed in the center of the outer gear 1, and the diameter of the first shaft hole 13 is smaller than the diameter of the inner circle of the groove 11; the internal gear 2 is annular, and a hole in the inner circumference thereof forms a second shaft hole 22; the diameter of the outer circle of the internal gear 2 is matched with that of the outer circle of the groove 11, and the diameter of the inner circle of the internal gear 2 is larger than that of the inner circle of the groove 11; the adjusting mechanism 3 is provided between the inner circle of the internal gear 2 and the inner circle of the groove 11.
The adjusting mechanism 3 is provided with a shaft sleeve 31, a coupling 32, a wedge 33 and a bushing 34, the shaft sleeve 31, the coupling 32, the wedge 33 and the bushing 34 are coaxially arranged and synchronously rotate, the bushing 34 is sleeved outside the shaft sleeve 31, and the coupling 32 and the wedge 33 are arranged between the shaft sleeve 31 and the bushing 34; the coupling 32 is in a semicircular shape; the wedge 33 is arc-shaped, the inner circumference of the wedge 33 abuts against the outer circumference of the coupling 32, and the outer circumference of the wedge 33 abuts against the inner circumference of the bushing 34; one end of the shaft sleeve 31 is inserted into the first shaft hole 13, and the shaft sleeve 31 and the external gear 1 form rotary connection; the bushing 34 is fixedly arranged in the second shaft hole 22; the inner circumference of the coupling 32 abuts against the inner circumference of the groove 11.
The other end of the sleeve 31 is provided with a flange 311, the coupling 32 is attached to the side of the flange 311, the two ends of the coupling 32 are provided with boss parts 321, the boss parts 321 are arranged on the outer circumference of the coupling 32, the side of the flange 311 is correspondingly provided with two matching parts 312, and the boss parts 321 abut against the matching parts 312.
Two wedges 33 are provided, and both wedges 33 are rotatable in the circumferential direction of the coupling 32.
The outer ends of the two wedges 33 abut against the corresponding boss parts 321 respectively, a gap is formed between the two wedges 33, and when a vehicle collides, buffering can be formed, so that the adjusting mechanism 3 is prevented from being damaged, and the stable structure of the adjusting mechanism 3 is further protected.
The thickness of the wedge 33 is the same as that of the coupling 32, and the wedge 33 and the coupling 32 are attached to the side face of the flanging 311, so that the strength inside the recliner is increased, and the internal structure of the recliner is more compact.
Example two, as shown in fig. 5:
fig. 5 shows a second embodiment of the strength-strengthened recliner of the present invention. As shown in fig. 5, the strength-enhanced recliner of the second embodiment is substantially the same as the first embodiment, and the same parts are not repeated, but the difference is that a spring 35 is disposed between two wedges 33, the spring 35 provides pressure in the expanding direction to the wedges 33, the two wedges 33 are pressed outwards to a boss portion 321, the position of the wedges 33 is stable, and noise caused by sliding of the wedges 33 is avoided.
The spring 35 is a flat spiral spring, the body of the spring is sleeved on the coupling 32 and attached to the outer side of the outward flanged edge 311, two ends of the spring are provided with bayonet pins 351, and the bayonet pins 351 extend inwards along the axial direction of the coupling 32; the outward flanging 311 is provided with a through hole 3111 for the bayonet 351 to pass through, and the inner end of the wedge 33 is provided with an anti-falling groove 331 adapted to the bayonet 351; the bayonet 351 penetrates through the through hole 3111 and is inserted into the escape prevention groove 331; the spring 35 is a flat spiral spring, which utilizes the stability of adjusting the circular motion effect, thereby ensuring that the wedge 33 is pressed against the boss portion 321.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (9)
1. A strength-strengthened angle adjuster is provided with an inner gear and an outer gear; the side surface of the external gear is provided with a circular groove, the internal gear is arranged in the groove, the internal gear and the external gear are concentrically arranged and mutually meshed, the circumferential surface of the internal gear is provided with internal gear teeth, and the groove is internally provided with external gear teeth matched with the internal gear teeth; the method is characterized in that: the adjusting mechanism is also arranged to drive the inner gear to approach or separate from the outer gear; the internal gear adopts double-deck gear, the corresponding two layers of outer teeth of a cogwheel that are equipped with in the recess, wherein the inlayer that the external gear side is pressed close to one deck, and another layer is the skin of keeping away from the external gear side, the diameter of the outer wheel tooth place circumference of inlayer is less than the diameter of outer wheel tooth place circumference.
2. The strength-strengthened recliner as set forth in claim 1 wherein: a first shaft hole is formed in the center of the outer gear, and the diameter of the first shaft hole is smaller than the diameter of the inner circle of the groove; the inner gear is annular, and a hole in the inner circumference of the inner gear forms a second shaft hole; the diameter of the outer circle of the inner gear is matched with that of the outer circle of the groove, and the diameter of the inner circle of the inner gear is larger than that of the inner circle of the groove; the adjusting mechanism is arranged between the inner circle of the inner gear and the inner circle of the groove.
3. The strength-strengthened recliner as set forth in claim 2 wherein: the adjusting mechanism is provided with a shaft sleeve, a shaft coupling, a wedge block and a bushing, wherein the shaft sleeve, the shaft coupling, the wedge block and the bushing are coaxially arranged and synchronously rotate; the coupling is in a semicircular shape; the wedge block is arc-shaped, the inner circumference of the wedge block abuts against the outer circumference of the coupling, and the outer circumference of the wedge block abuts against the inner circumference of the bushing; one end of the shaft sleeve is inserted into the first shaft hole, and the shaft sleeve and the external gear form rotary connection; the bushing is fixedly arranged in the second shaft hole; the inner circumference of the coupling abuts against the inner circumference of the groove.
4. The strength-strengthened recliner as set forth in claim 3 wherein: the other end of the shaft sleeve is provided with an outer flanging, the coupling is attached to the side face of the outer flanging, the two ends of the coupling are provided with boss portions, the boss portions are arranged on the outer circumference of the coupling, two matching portions are correspondingly arranged on the side face of the outer flanging, and the boss portions abut against the matching portions.
5. The strength-strengthened recliner as set forth in claim 4 wherein: the wedge blocks are two in number and can rotate along the circumferential direction of the coupling.
6. The strength-strengthened recliner as set forth in claim 5, wherein: the outer ends of the two wedges respectively abut against the corresponding boss parts, and a gap is formed between the two wedges.
7. The strength-strengthened recliner as set forth in claim 6 wherein: and a spring is arranged between the two wedge blocks and provides pressure in the expansion direction for the wedge blocks.
8. The strength-strengthened recliner as set forth in claim 7 wherein: the spring is a flat spiral spring, the body of the spring is sleeved on the coupling and attached to the outer side of the outward flange, clamping pins are arranged at two ends of the spring, and the clamping pins extend inwards along the axial direction of the coupling; the outer flanging is provided with a through hole for the bayonet to pass through, and the inner end of the wedge block is provided with an anti-falling groove matched with the bayonet; the bayonet lock penetrates through the through hole and is inserted into the anti-falling groove.
9. The strength-enhanced recliner as claimed in any one of claims 4 to 7, wherein: the thickness of the wedge block is the same as that of the coupling, and the wedge block and the coupling are attached to the side face of the flanging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122484348.0U CN215590549U (en) | 2021-10-15 | 2021-10-15 | Angle regulator with strengthened strength |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122484348.0U CN215590549U (en) | 2021-10-15 | 2021-10-15 | Angle regulator with strengthened strength |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215590549U true CN215590549U (en) | 2022-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122484348.0U Active CN215590549U (en) | 2021-10-15 | 2021-10-15 | Angle regulator with strengthened strength |
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| Country | Link |
|---|---|
| CN (1) | CN215590549U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114516287A (en) * | 2022-03-11 | 2022-05-20 | 无锡锡玮科技有限公司 | Angle adjusting device suitable for vehicle backrest |
-
2021
- 2021-10-15 CN CN202122484348.0U patent/CN215590549U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114516287A (en) * | 2022-03-11 | 2022-05-20 | 无锡锡玮科技有限公司 | Angle adjusting device suitable for vehicle backrest |
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