CN215590550U - Seat angle adjuster with strengthened strength - Google Patents
Seat angle adjuster with strengthened strength Download PDFInfo
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- CN215590550U CN215590550U CN202122484479.9U CN202122484479U CN215590550U CN 215590550 U CN215590550 U CN 215590550U CN 202122484479 U CN202122484479 U CN 202122484479U CN 215590550 U CN215590550 U CN 215590550U
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- gear
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Abstract
The application provides a strength-enhanced seat angle adjuster which is provided with an inner gear and an outer gear, wherein the side surface of the outer gear is provided with a circular groove, and the center of the side surface of the outer gear forms a convex column part; the inner gear is arranged in the groove, the inner gear and the outer gear are concentrically arranged, and the inner gear is driven to approach or separate from the outer gear by the adjusting mechanism; a first shaft hole is formed in the center of the convex column part, and the first shaft hole is cylindrical; the inner gear is annular, and a hole in the inner circumference of the inner gear forms a second shaft hole; the adjusting mechanism is provided with a shaft sleeve, and the shaft sleeve is fixedly connected with the inner gear; one end of the shaft sleeve is inserted into the first shaft hole to form rotary connection with the external gear; the reinforcing sleeve is also provided with a circular ring, the diameter of the outer circle of the reinforcing sleeve is the same as that of the bottom surface of the first shaft hole, one end of the reinforcing sleeve is inserted into the first shaft hole, the other end of the reinforcing sleeve is provided with a flanging part, the flanging part is circular ring-shaped, the diameter of the inner circle of the flanging part is the same as that of the inner circle of the reinforcing sleeve, and the diameter of the outer circle of the flanging part is the same as that of the outer circle of the protruding column.
Description
Technical Field
The application belongs to the technical field of automobile seat folding angle adjustment, and particularly relates to a seat 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.
The existing manual angle adjuster or electric angle adjuster generates a suspension phenomenon that a gear is partially displaced towards the axial direction of a rotating shaft due to external load transmitted through a seat backrest, the contact surface between a shaft hole of an outer gear and the rotating shaft is reduced, and the convex column part forming the shaft hole is deformed due to the bearing of overweight load, so that the angle adjuster is invalid.
Disclosure of Invention
The utility model aims to make up the defects of the prior art and provides a seat angle adjuster with strengthened strength, and the technical scheme adopted by the application is as follows:
the utility model provides a seat angle modulation ware that intensity is reinforceed, its is equipped with internal gear and external gear, its characterized in that: the side surface of the external gear is provided with a circular groove, and the center of the side surface of the external gear forms a convex column part; the inner gear is arranged in the groove, the inner gear and the outer gear are concentrically arranged and are meshed with each other, and the inner gear is driven to approach or separate from the outer gear by an adjusting mechanism; a first shaft hole is formed in the center of the convex column part, and the first shaft hole is cylindrical; 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 inner circle of the inner gear is larger than that of the inner circle of the groove, and the adjusting mechanism is arranged between the inner circle of the inner gear and the inner circle of the groove; the adjusting mechanism is provided with a shaft sleeve, and the shaft sleeve is fixedly connected with the inner gear; 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 reinforcing sleeve is also provided with a circular ring, the diameter of the outer circle of the reinforcing sleeve is the same as that of the bottom surface of the first shaft hole, one end of the reinforcing sleeve is inserted into the first shaft hole, the other end of the reinforcing sleeve is provided with a flanging part, the flanging part is circular ring-shaped, the diameter of the inner circle of the flanging part is the same as that of the inner circle of the reinforcing sleeve, and the diameter of the outer circle of the flanging part is the same as that of the outer circle of the convex column.
Optionally, the outer circumference of the reinforcing sleeve is provided with a grease groove, and the grease groove is arranged along the axial direction of the reinforcing sleeve.
Optionally, the grease groove is provided with a plurality of grease grooves which are uniformly arranged along the circumferential direction of the reinforcing sleeve.
Optionally, the grease groove is provided with 3 strips.
Optionally, the adjusting mechanism is further provided with a shaft coupling, a wedge block and a bushing, the shaft coupling, the wedge block and the bushing are coaxially arranged and synchronously rotate, the bushing is sleeved outside the shaft coupling, and the shaft coupling and the wedge block are arranged between the shaft coupling and the bushing; the coupling is in a semicircular shape, the wedge block is in an arc shape, 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; the bushing is fixedly arranged in the second shaft hole; the inner side of the coupling rests against the inner circumference of the groove.
Optionally, the two ends of the coupling are provided with boss parts, and the boss parts are arranged on the outer circumference of the coupling contacted with the wedge block; the wedge block is provided with a clamping groove matched with the boss part, the clamping groove is arranged on the inner circumference of the wedge block contacted with the shaft coupling, and the boss part is inserted into the clamping groove; the other end of the shaft sleeve is fixedly provided with an outward flange, the side surface of the outward flange is provided with two matching parts, and the outer ends of the wedge blocks are respectively abutted against the matching parts.
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.
Optionally, the clamping groove extends along the circumferential direction of the wedge block; the clamping groove and the boss part are both arc-shaped, and the length of the clamping groove is greater than that of the boss part.
Optionally, there are two wedges, a gap is provided between the two wedges, and a spring is provided in the gap, and the spring 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 outward flange, 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.
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 separate from the outer gear, the angle adjuster is unlocked, and the angle of the chair back can be adjusted; one end of the reinforcing sleeve is inserted into the first shaft hole, the other end of the reinforcing sleeve is provided with a flanging part, the flanging part is annular, the diameter of the excircle of the flanging part is the same as that of the convex column, the inner circumference of the coupling is supported together, the load intensity of the convex column is increased, the structure of the convex column is protected, and the convex column is prevented from deforming; the angle adjuster is unlocked, the inner gear is separated from the outer gear, the shaft sleeve part is driven to be drawn out of the first shaft hole, a gap is formed between the convex column part and the shaft sleeve, one end of the reinforcing sleeve is still arranged in the first shaft hole, the coupling is continuously supported by the outer circumference of the flanging part, and the convex column part is prevented from being axially suspended and bearing excessive deformation is avoided.
The outer circumference of the reinforcing sleeve is provided with a grease groove which is arranged along the axial direction of the reinforcing sleeve; during sintering, the arrangement of the grease groove is beneficial to the forming and size control of the reinforcing sleeve, and the friction coefficient between the shaft sleeve and the convex column part can be reduced due to the grease arranged in the grease groove; the product is subjected to electrophoretic coating, and the grease in the first axial hole can prevent the electrophoretic liquid from flowing into the interior.
The grease groove is equipped with many, evenly sets up along the circumferential direction of uide bushing, can further increase the effect in grease groove. The grease groove is equipped with 3, compromises the effect in grease groove and the structural strength of uide bushing to the processing cost of control uide bushing.
The bush is fixedly arranged in the second shaft hole, the inner side of the shaft coupling is attached to the inner circumference of the groove, the adjusting mechanism is integrated 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 vehicle is improved.
The angle adjuster is unlocked, the adjusting mechanism drives the wedge block to rotate along the outer circumference of the shaft coupling, the outer end of the wedge block abuts against the matching portion respectively, the clockwise or anticlockwise rotation of the wedge block drives the matching portion to rotate, the matching portion is linked with the shaft sleeve, the inner gear is driven to rotate, and the angle of the chair back is adjusted.
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.
The clamping groove and the boss part are arc-shaped, the length of the clamping groove is larger than that of the boss part, the wedge block is arc-shaped and is attached to the outer circumference of the coupling, the wedge block can slide along the outer circumference of the coupling to form buffering, damage to an adjusting mechanism caused by vehicle collision is avoided, and reliability of the angle adjuster is improved.
The two wedge blocks are arranged, 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 further avoided; the two wedges have the same structure, so that the processing cost of the wedges is reduced.
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.
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 the present invention;
FIG. 2 is a longitudinal sectional view of the present invention;
fig. 3 is an exploded view 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, 13 is a first shaft hole, 14 is a convex column part, 15 is a reinforcing sleeve, 151 is a flanging part, and 152 is a grease groove;
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 seat recliner provided in the embodiments of the present application will now be described.
As shown in fig. 1 to 3:
a seat angle adjuster with strengthened strength is provided with an inner gear 2 and an outer gear 1, wherein the side surface of the outer gear 1 is provided with an annular groove 11, and the center of the side surface of the outer gear 1 forms a convex column part 14; the inner gear 2 is arranged in the groove 11, the inner gear 2 and the outer gear 1 are concentrically arranged and are meshed with each other, the circumferential surface of the inner gear 2 is provided with inner gear teeth 21, and outer gear teeth 12 matched with the inner gear teeth are arranged in the groove 11; the adjusting mechanism 3 is further arranged to drive the inner gear 2 to approach or separate from the outer gear 1. The outer sides of the internal gear 2 and the external gear 1 are further provided with a guide cover 37, and the guide cover 37 covers the outer side surfaces of the internal gear 2 and the external gear 1.
A first shaft hole 13 is formed in the center of the convex column part 14, and the first shaft hole 13 is cylindrical; the internal gear 2 is annular, and a hole in the inner circumference thereof forms a second shaft hole 22; the inner circle diameter of the internal gear 2 is larger than the inner circle diameter of the groove 11, and the adjusting mechanism 3 is arranged 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, and the shaft sleeve 31 is fixedly connected with the internal gear 2; 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 reinforced shaft is further provided with a reinforcing sleeve 15, the reinforcing sleeve 15 is annular, the diameter of the outer circle of the reinforcing sleeve 15 is the same as that of the bottom surface of the first shaft hole 13, one end of the reinforcing sleeve 15 is inserted into the first shaft hole 13, a flanging part 151 is arranged at the other end of the reinforcing sleeve 15, the flanging part 151 is annular, the diameter of the inner circle of the flanging part 151 is the same as that of the inner circle of the reinforcing sleeve 15, and the diameter of the outer circle of the flanging part is the same as that of the outer circle of the convex column 14.
The outer circumference of the reinforcing sleeve 15 is provided with a grease groove 152, and the grease groove 152 is provided along the axial direction of the reinforcing sleeve 15.
The grease groove 152 is provided in plural numbers, and is uniformly provided along the circumferential direction of the reinforcing sleeve 15. In this embodiment, there are 3 grease grooves 152.
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 outer circumference of the stud 14. The outer end of the shaft sleeve 31 is further provided with a cover plate 36, and the cover plate 36 covers the outer end face of the shaft sleeve 31.
The coupling 32 is provided at both ends with boss portions 321, the boss portions 321 being provided on the outer circumference of the coupling 32; the wedge 33 is provided with a clamping groove 331 adapted to the boss part 321, the clamping groove 331 is arranged on the inner circumference of the wedge 33 contacting with the coupling 32, and the boss part 321 is inserted into the clamping groove 331; the other end of the shaft sleeve 31 is fixedly provided with an outward flange 311, the side surface of the outward flange 311 is provided with two matching parts 312, and the outer ends of the wedges 33 are respectively abutted against the matching parts 312.
The thickness of the wedge 33 is the same as that of the coupling 32, and both the wedge 33 and the coupling 32 abut against the side surface of the flange 311.
The catching grooves 331 extend along the circumferential direction of the wedge 33; the clamping groove 331 and the boss portion 321 are both arc-shaped, and the length of the clamping groove 331 is greater than that of the boss portion 321.
The two wedges 33 are arranged, a gap is arranged between the two wedges 33, a spring 35 is arranged in the gap, the spring 35 provides pressure in the expansion direction for the wedges 33, the two wedges 33 are pressed outwards to the boss part 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 332 adapted to the bayonet 351; bayonet 351 penetrates through-hole 3111 and is inserted into anti-drop groove 332; 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 (10)
1. The utility model provides a seat angle modulation ware that intensity is reinforceed, its is equipped with internal gear and external gear, its characterized in that: the side surface of the external gear is provided with a circular groove, and the center of the side surface of the external gear forms a convex column part; the inner gear is arranged in the groove, the inner gear and the outer gear are concentrically arranged and are meshed with each other, and the inner gear is driven to approach or separate from the outer gear by an adjusting mechanism; a first shaft hole is formed in the center of the convex column part, and the first shaft hole is cylindrical; 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 inner circle of the inner gear is larger than that of the inner circle of the groove, and the adjusting mechanism is arranged between the inner circle of the inner gear and the inner circle of the groove; the adjusting mechanism is provided with a shaft sleeve, and the shaft sleeve is fixedly connected with the inner gear; 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 reinforcing sleeve is also provided with a circular ring, the diameter of the outer circle of the reinforcing sleeve is the same as that of the bottom surface of the first shaft hole, one end of the reinforcing sleeve is inserted into the first shaft hole, the other end of the reinforcing sleeve is provided with a flanging part, the flanging part is circular ring-shaped, the diameter of the inner circle of the flanging part is the same as that of the inner circle of the reinforcing sleeve, and the diameter of the outer circle of the flanging part is the same as that of the outer circle of the convex column.
2. The strength enhanced seat recliner as set forth in claim 1 wherein: the outer circumference of the reinforcing sleeve is provided with a grease groove, and the grease groove is arranged along the axial direction of the reinforcing sleeve.
3. The strength enhanced seat recliner as set forth in claim 2 wherein: the grease groove is equipped with many, evenly sets up along the circumferential direction of strengthening sleeve.
4. The strength enhanced seat recliner as set forth in claim 3 wherein: the grease groove is provided with 3.
5. The strength enhanced seat recliner as set forth in any one of claims 1 to 4, wherein: the adjusting mechanism is also provided with a shaft coupling, a wedge block and a bushing, the shaft coupling, the wedge block and the bushing are coaxially arranged and synchronously rotate, the bushing is sleeved outside the shaft coupling, and the shaft coupling and the wedge block are arranged between the shaft coupling and the bushing; the coupling is in a semicircular shape, the wedge block is in an arc shape, 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; the bushing is fixedly arranged in the second shaft hole; the inner side of the coupling rests against the inner circumference of the groove.
6. The strength enhanced seat recliner as set forth in claim 5 wherein: the two ends of the coupling are provided with boss parts which are arranged on the outer circumference of the coupling contacted with the wedge block; the wedge block is provided with a clamping groove matched with the boss part, the clamping groove is arranged on the inner circumference of the wedge block contacted with the shaft coupling, and the boss part is inserted into the clamping groove; the other end of the shaft sleeve is fixedly provided with an outward flange, the side surface of the outward flange is provided with two matching parts, and the outer ends of the wedge blocks are respectively abutted against the matching parts.
7. The strength enhanced seat recliner as set forth in claim 6 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.
8. The strength enhanced seat recliner as set forth in claim 7 wherein: the clamping groove extends along the circumferential direction of the wedge block; the clamping groove and the boss part are both arc-shaped, and the length of the clamping groove is greater than that of the boss part.
9. The strength enhanced seat recliner as set forth in claim 8 wherein: the wedge blocks are two, a gap is formed between the two wedge blocks, a spring is arranged in the gap, and the spring provides pressure in the expansion direction for the wedge blocks.
10. The strength enhanced seat recliner as set forth in claim 9 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122484479.9U CN215590550U (en) | 2021-10-15 | 2021-10-15 | Seat angle adjuster with strengthened strength |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122484479.9U CN215590550U (en) | 2021-10-15 | 2021-10-15 | Seat angle adjuster with strengthened strength |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215590550U true CN215590550U (en) | 2022-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122484479.9U Active CN215590550U (en) | 2021-10-15 | 2021-10-15 | Seat angle adjuster with strengthened strength |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215590550U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115110135A (en) * | 2022-05-20 | 2022-09-27 | 恺博(常熟)座椅机械部件有限公司 | Angle adjuster capable of preventing electrophoresis liquid from permeating and assembly method thereof |
-
2021
- 2021-10-15 CN CN202122484479.9U patent/CN215590550U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115110135A (en) * | 2022-05-20 | 2022-09-27 | 恺博(常熟)座椅机械部件有限公司 | Angle adjuster capable of preventing electrophoresis liquid from permeating and assembly method thereof |
| CN115110135B (en) * | 2022-05-20 | 2023-12-01 | 恺博(常熟)座椅机械部件有限公司 | Angle adjuster capable of preventing electrophoresis liquid from penetrating and assembling method thereof |
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