Limiting stopper
By introducing a reset structure and a stabilizing structure into the seat back limiter, the problem of unstable swing arm reset is solved, achieving high-precision and high-efficiency seat height adjustment, and improving the stability of the adjustment mechanism and passenger comfort.
Patent Information
- Application Number
- CN202520053600.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-09
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2035-01-09
AI Technical Summary
Traditional seat back limiters have poor swing arm reset stability, resulting in low adjustment accuracy and problems such as over-swinging or incomplete reset.
The system employs a combination of a reset structure and a stabilizing structure. The design of the reset spring and stabilizing spring ensures the stability and accuracy of the swing arm during reset, while the swing amplitude is limited by a limiting structure. The drive shaft enables the synchronous swing of the two swing arms.
It improves the accuracy and responsiveness of seat height adjustment, reduces wear and tear, enhances passenger comfort and the durability of the adjustment mechanism, and lowers maintenance costs.
Smart Images
Figure CN223631411U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of automobile parts, in particular to a limiter. BACKGROUND
[0002] In the design of automobile seat, the adjusting mechanism of seat backrest is the key component to ensure the comfort and safety of passengers, the traditional seat backrest limiting mechanism has problems such as complex structure, inconvenient operation and low adjustment precision, for example, the traditional limiter includes a main limiter and a secondary limiter, the two limiters are oppositely arranged and arranged on the seat, the swing arm on the main limiter is provided with a linkage plate for linkage cooperation with the external automobile seat height adjusting structure, the swing arm in the traditional limiter is reset by torsional spring or spring, but the setting of torsional spring will cause the overall size of the limiter to thicken and need to be connected coaxially with the swing end, if the spring is used, the swing reset efficiency of the swing arm can be improved, but the swing reset precision of the swing arm is poor due to the influence of the stretching direction of the spring, and the swing is easy to be overstepped or not reset completely. SUMMARY
[0003] In view of the deficiencies in the prior art, the utility model provides a kind of limiter, to solve the problem that the swing reset stability of the swing arm of traditional limiter is poor, which leads to too low swing precision and easy to swing over or not reset completely.
[0004] To achieve the above purpose, the utility model provides a kind of limiter, including two base plates for installing on the external automobile seat, two the swing arm is arranged on the base plate, one of the swing arms is extended with linkage plate for linkage cooperation with external automobile parts to adjust the height of automobile seat when corresponding swing arm swings, transmission shaft is connected between two the swing arms, another the swing arm is provided with pull block for connection cooperation with external pull line to drive corresponding swing arm swing when external pull line is pulled, reset structure for driving corresponding swing arm swing reset and stable structure for linkage cooperation with reset structure to drive it to reset stably after swing arm swings are provided on two the base plate, the base plate is also provided with limiting structure for limiting swing amplitude of swing arm.
[0005] The technical scheme has the beneficial effects that: the reset structure is used to reset the swing arm after the swing arm swings, and the stabilizing structure is used to limit the swing arm to ensure stable reset of the swing arm when the swing arm is reset, the swing range of the swing arm is limited by the limiting structure, thereby avoiding excessive swing of the swing arm or incomplete reset or affected reset accuracy of the swing arm, so that the linkage plate and the external automobile parts are not affected in linkage accuracy; the high accuracy and high efficiency of the swing arm swing reset are achieved by the above-mentioned technology, the seat height adjustment is more accurate, the response speed of the seat adjustment is improved, in addition, the reset structure and the stabilizing structure are introduced to ensure that the swing arm can be stably reset after swinging, and the problems of excessive swing or incomplete reset are avoided, thereby improving the accuracy of the seat adjustment and the comfort of the passenger, and avoiding premature wear or damage of the seat adjustment mechanism; the transmission shaft in the above-mentioned technology is used to realize linkage of the two swing arms, that is, when the swing arm with the pull block swings, the swing arm without the pull block is driven to swing by the transmission shaft, thereby realizing synchronous swing of the two swing arms, the transmission shaft is a prior art, that is, a transmission shaft is arranged in the traditional main limiter and the auxiliary limiter to drive synchronous swing of the two swing arms, thereby saving cost and facilitating swing of the swing arm.
[0006] The utility model further sets up: the base plate is set up with the slot, the slot contains the reset spring, the reset spring beginning end is connected with adjacent and corresponding swing arm setting, reset spring end and base plate connection setting, reset spring stretch direction and swing arm swing direction same direction setting, reset spring is reset structure.
[0007] The technical scheme has the beneficial effects that: the reset spring is used to drive the swing arm to reset when the swing arm needs to swing and reset, thereby ensuring normal reset of the swing arm and driving the linkage plate to cooperate with the external automobile parts, so as to improve the linkage accuracy and linkage efficiency of the linkage plate.
[0008] The utility model further sets up: the base plate is set up with the slot, the slot contains the reset spring, the reset spring beginning end is connected with adjacent and corresponding swing arm setting, reset spring end and base plate connection setting, reset spring stretch direction and swing arm swing direction same direction setting, reset spring is reset structure.
[0009] The technical scheme has the beneficial effects that: the cooperation of the stabilizing groove and the stabilizing spring improves the swing reset accuracy and efficiency of the swing arm, and the stabilizing spring increases the force applied to the swing arm during the swing arm reset, that is, the cooperation of the stabilizing spring and the reset spring improves the swing reset stability and efficiency of the swing arm, the stabilizing spring is arranged in the same direction as the swing direction of the swing arm, the stabilizing spring is arranged in a staggered manner with the reset spring and the stretching direction of the stabilizing spring is opposite to the stretching direction of the reset spring, the directions of the two forces are opposite, the swing arm is reset more accurately through the two opposite forces, stress is concentrated to avoid the swing arm swinging too much or the swing arm reset accuracy being wrong, and the service life of the swing arm is prolonged, the design of the stabilizing spring improves the stability of the swing arm during the swing arm reset, reduces the risk of accidental movement of the swing arm after the reset, the cooperation of the stabilizing groove and the stabilizing spring ensures that the accuracy of the swing arm during the reset is significantly improved, the adjustment error caused by excessive or insufficient swing is reduced, the swing amplitude and reset accuracy of the swing arm are accurately controlled, the friction and wear between the swing arm and the stopper are reduced, and the durability of the entire adjustment mechanism is improved, the maintenance demand caused by improper adjustment is reduced due to the improvement of the swing arm reset accuracy and stability, and the maintenance cost is reduced.
[0010] The utility model further sets up: the base plate upper along swing arm swing path is equipped with the limit groove, the limit structure includes setting the limit post in swing arm initial end, the limit post activity sets up in the limit groove and limit post diameter and limit groove width diameter are compatible setting, swing arm tail end and base plate between rotation connection has the rotation pin.
[0011] The technical scheme has the beneficial effects that: the cooperation of the stabilizing groove and the stabilizing spring improves the swing reset accuracy and efficiency of the swing arm, and the stabilizing spring increases the force applied to the swing arm during the swing arm reset, that is, the cooperation of the stabilizing spring and the reset spring improves the swing reset stability and efficiency of the swing arm, the stabilizing spring is arranged in the same direction as the swing direction of the swing arm, the stabilizing spring is arranged in a staggered manner with the reset spring and the stretching direction of the stabilizing spring is opposite to the stretching direction of the reset spring, the directions of the two forces are opposite, the swing arm is reset more accurately through the two opposite forces, stress is concentrated to avoid the swing arm swinging too much or the swing arm reset accuracy being wrong, and the service life of the swing arm is prolonged, the design of the stabilizing spring improves the stability of the swing arm during the swing arm reset, reduces the risk of accidental movement of the swing arm after the reset, the cooperation of the stabilizing groove and the stabilizing spring ensures that the accuracy of the swing arm during the reset is significantly improved, the adjustment error caused by excessive or insufficient swing is reduced, the swing amplitude and reset accuracy of the swing arm are accurately controlled, the friction and wear between the swing arm and the stopper are reduced, and the durability of the entire adjustment mechanism is improved, the maintenance demand caused by improper adjustment is reduced due to the improvement of the swing arm reset accuracy and stability, and the maintenance cost is reduced.
[0012] The utility model further sets up: the base plate upper along swing arm swing path is equipped with the limit groove, the limit structure includes setting the limit post in swing arm initial end, the limit post activity sets up in the limit groove and limit post diameter and limit groove width diameter are compatible setting, swing arm tail end and base plate between rotation connection has the rotation pin.
[0013] The technical scheme has the beneficial effects that: the cooperation of the stabilizing groove and the stabilizing spring improves the swing reset accuracy and efficiency of the swing arm, and the stabilizing spring increases the force applied to the swing arm during the swing arm reset, that is, the cooperation of the stabilizing spring and the reset spring improves the swing reset stability and efficiency of the swing arm, the stabilizing spring is arranged in the same direction as the swing direction of the swing arm, the stabilizing spring is arranged in a staggered manner with the reset spring and the stretching direction of the stabilizing spring is opposite to the stretching direction of the reset spring, the directions of the two forces are opposite, the swing arm is reset more accurately through the two opposite forces, stress is concentrated to avoid the swing arm swinging too much or the swing arm reset accuracy being wrong, and the service life of the swing arm is prolonged, the design of the stabilizing spring improves the stability of the swing arm during the swing arm reset, reduces the risk of accidental movement of the swing arm after the reset, the cooperation of the stabilizing groove and the stabilizing spring ensures that the accuracy of the swing arm during the reset is significantly improved, the adjustment error caused by excessive or insufficient swing is reduced, the swing amplitude and reset accuracy of the swing arm are accurately controlled, the friction and wear between the swing arm and the stopper are reduced, and the durability of the entire adjustment mechanism is improved, the maintenance demand caused by improper adjustment is reduced due to the improvement of the swing arm reset accuracy and stability, and the maintenance cost is reduced. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is three-dimensional view of the base plate with the pull block in the utility model;
[0015] Figure 2 It is three-dimensional view of the base plate with the linkage plate in the utility model. DETAILED DESCRIPTION
[0016] The utility model provides a kind of stopper, including two substrates 1 for being installed on outside automobile seat, two described substrates 1 are all swing setting have swing arm 2, wherein one described swing arm 2 is extended and is used for with outside automobile component linkage cooperation to adjust automobile seat height when corresponding swing arm 2 swing, transmission shaft is connected between two described swing arms 2, another described swing arm 2 is provided with pull block 21 for being connected with outside pull line cooperation to drive corresponding swing arm 2 swing when outside pull line is pulled, two described substrates 1 are all provided with reset structure for driving respective corresponding swing arm 2 swing reset and stable structure for being linked with reset structure to drive after swing arm 2 swing, it is stable reset, the limiting structure for limiting swing arm 2 swing amplitude is further provided on the substrate 1, slot 11 is opened on the substrate 1, reset spring 12 is accommodated in the slot 11, the reset spring 12 initial end is connected with adjacent and corresponding swing arm 2, the reset spring 12 end is connected with substrate 1, the reset spring 12 tensile direction is set with swing arm 2 swing direction same direction, the reset spring 12 is reset structure, stable groove 13 is penetrated along swing arm 2 swing track direction on the substrate 1, the stable groove 13 radial section is set as arc, stable spring 131 is provided in the stable groove 13, the stable spring 131 initial end is connected with adjacent and corresponding swing arm 2, the stable spring 131 end is connected with stable groove 13 bottom wall, the stable spring 131 compression direction is set with swing arm 2 swing direction same direction, the stable spring 131 is set with reset spring 12 and stable spring 131 tensile direction is set opposite reset spring 12 tensile direction, the stable spring 131 is stable structure, limiting slot 14 is opened along swing arm 2 swing path on the substrate 1, the limiting structure includes the limiting column 23 being set in swing arm 2 initial end, the limiting column 23 is movably set in limiting slot 14 and limiting column 23 diameter is set with limiting slot 14 width diameter compatible, rotating pin 24 is rotatably connected between swing arm 2 end and substrate 1, limiting plate 3 is further provided on the substrate 1 with the pull block 21, limiting mouth 31 for outside pull line is set in limiting plate 3.
[0017] Transmission shaft in the drawing of the specification is not drawn in, it is a cylindrical shaft body to connect two swing arms, to improve swing arm swing synchronism, because its structure is prior art, therefore not draw in again.
[0018] Stable spring in the drawing of the specification is only schematic, and its size is not limited.
[0019] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above, and the person skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification are only to illustrate the principle of the utility model, and various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed for protection, and the protection scope of the utility model is defined by the appended claims and equivalents thereof.
Claims
1. A limiter comprising two base plates for mounting on an external automobile seat, two said base plates are swingably provided with swing arms, one of said swing arms is extended with a linkage plate for linkage cooperation with an external automobile component to adjust the height of the automobile seat when the corresponding swing arm swings, a transmission shaft is connected between two said swing arms, the other said swing arm is provided with a pull block for connection cooperation with an external pull wire to drive the corresponding swing arm to swing when the external pull wire is pulled, characterized in that: Two said base plates are provided with reset structures for driving respective corresponding swing arms to swing and reset, and stabilizing structures for cooperating with the reset structures to drive the swing arms to reset after swinging.
2. A limiter according to claim 1, characterised in that: The base plate is provided with a slot, and a reset spring is arranged in the slot. The reset spring has a start end connected to an adjacent and corresponding swing arm and a tail end connected to the base plate. The stretching direction of the reset spring is the same as the swinging direction of the swing arm. The reset spring is the reset structure.
3. A limiter according to claim 2, wherein: The base plate is provided with a stabilizing slot along the swing trajectory of the swing arm. The radial cross section of the stabilizing slot is arc-shaped. The stabilizing slot is provided with a stabilizing spring. The start end of the stabilizing spring is connected to an adjacent and corresponding swing arm, and the tail end of the stabilizing spring is connected to the bottom wall of the stabilizing slot. The compression direction of the stabilizing spring is the same as the swinging direction of the swing arm. The stabilizing spring is arranged in a staggered manner with the reset spring, and the stretching direction of the stabilizing spring is opposite to the stretching direction of the reset spring. The stabilizing spring is the stabilizing structure.
4. The position limiter of claim 1, wherein: The base plate is provided with a limiting slot along the swing path of the swing arm. The limiting structure includes a limiting column arranged at the start end of the swing arm. The limiting column is movably arranged in the limiting slot, and the diameter of the limiting column is matched with the width of the limiting slot. A rotating pin is rotatably connected between the tail end of the swing arm and the base plate.
5. The position limiter of claim 1, wherein: The base plate provided with the pulling block is further provided with a limiting plate. The limiting plate is provided with a limiting opening for the external pulling line.