Automatic adjusting sliding rail of automobile seat and automobile seat with automatic adjusting sliding rail

Abstract

The utility model discloses an automobile seat automatic adjusting sliding rail and an automobile seat thereof, and belongs to the technical field of automobile parts. Comprising a static sliding rail, and the static sliding rail comprises a static sliding rail fixing bottom plate, a static sliding rail front side wall and a static sliding rail rear side wall; a movable sliding rail front edge folding groove and a movable sliding rail rear edge folding groove are formed in the movable sliding rail, and the bottoms of the left end and the right end of the movable sliding rail are each provided with a pair of Z-direction gap eliminating idler wheels; the seat basin connecting plate is connected to the upper part of the movable sliding rail; the screw rod is arranged in the static slide rail cavity; the movable sliding rail automatic displacement driving mechanism is matched with the seat basin connecting plate, the movable sliding rail and the screw rod; the device is characterized in that front clearance eliminating mechanisms are arranged at the left end and the right end of the building wall corresponding to the front edge folding groove of the movable sliding rail respectively, and rear clearance eliminating mechanisms are arranged at the left end and the right end of the building wall corresponding to the rear edge folding groove of the movable sliding rail respectively; a pair of movable sliding rail guide mechanisms is arranged on the downward side of the middle of the movable sliding rail. The device has the advantages of simplifying the overall structure and facilitating manufacturing and assembling; the all-around excellent anti-backlash effect is embodied; the service life is long.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of automobile parts, specifically relates to an automatic adjusting slide rail of automobile seat, and further relates to the automobile seat thereof. BACKGROUND

[0002] The automobile seat slide rail is an important component of the structural system of the automobile seat, which not only has the function of fixing the automobile seat, but also adjusts the position of the automobile seat forward or backward, and is related to the safety of the driver and passenger.

[0003] The adjustment mode of the automobile seat slide rail mainly includes manual adjustment and automatic adjustment (also known as "electric adjustment"). For the former, the driver or passenger needs to pull out or press the control lever or handle, and then move the seat forward or backward until the desired position is reached. For the latter, the driver or passenger only needs to press the corresponding button, and the seat will automatically move forward or backward until the desired position is reached.

[0004] Automatic adjustment has the following advantages compared with manual adjustment: improving the convenience of getting on and off the vehicle; improving the comfort of the driver and passenger, especially the driver; having good memory function; adapting to different driving scenarios, etc.

[0005] In the disclosed patent documents, there are many technical information about automatic adjustment of the seat slide rail, such as: CN215204537U (a high-strength independent electric slide rail), CN116022040B (an electric slide rail driving mechanism for vehicle seat), CN113320450A (an electric slide rail for automobile seat), and CN118082637A (a new type of horizontal adjustment transmission vehicle seat slide rail assembly), etc.

[0006] As known in the industry, the structural system of the automobile seat slide rail includes a dynamic slide rail and a static slide rail. The dynamic slide rail is also called an inner slide rail or an upper slide rail, and the static slide rail is also called an outer slide rail or a lower slide rail. In the use state, the dynamic slide rail and the static slide rail form a sliding pair, the seat of the automobile seat is connected to the dynamic slide rail through a seat pot, and the static slide rail is fixed to the floor of the vehicle cabin. Under the action of the driving mechanism, the dynamic slide rail connected to the driving mechanism moves, thereby moving the aforementioned seat pot connected to the dynamic slide rail forward or backward, achieving the purpose of adjusting the position of the automobile seat.

[0007] As known in the art, since there is a gap between the sliding surfaces or mating surfaces of the aforementioned movable and static sliding rails, and in order to achieve the smoothness of the sliding of the movable sliding rail relative to the static sliding rail, it is necessary to technically process the aforementioned gap through relatively reasonable and feasible technical means, and relevant technical information can also be found in published patent documents, such as: CN115593282A recommends "a gap elimination structure for a vehicle seat long sliding rail", which is composed of a main body, a sliding gap adjusting plate, an adjusting wheel and an elastic member to eliminate the gap between the movable sliding rail (patent called "upper sliding rail") and the static sliding rail (patent called "lower rail"). Specifically, the adjusting roller of the structure system of the aforementioned gap elimination mechanism and the inclined setting eliminates the gap between the movable sliding rail and the static sliding rail, but since the components of the entire gap elimination mechanism are more than ten, the structure is relatively complex, which brings some trouble to manufacturing and assembly, especially the gap elimination mechanism of this patent can eliminate the Z-direction gap of the sliding rail through the sliding roller of the structure system of the sliding seat, but the inclined setting of the aforementioned adjusting roller cannot achieve the desired effect of eliminating the Y-direction gap between the movable and static sliding rails. Specifically, the movable sliding rail cavity with a U-shaped cross-sectional shape is formed on the upper part of both sides of the length direction of the movable sliding rail, and the static sliding rail cavity with an n-shaped shape is formed on the upper part of both sides of the length direction of the static sliding rail. When the movable and static sliding rails are matched at the position of the aforementioned movable and static sliding rail cavities, a pair of gaps are formed between them in the length direction, and the adjusting roller inclined at the corner of the gap cannot meet the desired gap elimination effect. In addition, the inclined setting of the adjusting roller also has at least the following shortcomings: increased complexity of the structure, increased cost, increased roller wear, easy wear of the sliding rail due to uneven pressure distribution of the sliding rail, increased resistance during adjustment, existence of jamming or stuttering, etc.

[0008] More typical as CN220842279U provided with "a car seat slide rail's roller clearance eliminating mechanism", this patent has the advantage of significantly simple structure relative to the aforementioned CN115593282A, and objectively can realize the three aspects of technical effects summarized in the technical effect column of its specification. But there are still the following shortcomings: because it is to install a roller mounting seat together with the roller embedded on it directly embedded in the mounting seat embedded groove opened on the moving slide rail (patent called "sliding support"), in the actual use process, that is, when adjusting the moving slide rail, the roller mounting seat is simultaneously subjected to the action force from the roller and the reaction force from the embedded edge of the mounting seat embedded groove on the moving slide rail (patent called "sliding support") for the roller mounting seat, thus the structure of the relatively weak roller mounting seat is easy to damage, and once the roller mounting seat is damaged, the roller will lose its support and be stuck in the gap between the moving and static slide rails, ultimately leading to the loss of adjustment of the moving slide rail to the seat pan of the car seat, that is, the loss of the adjustment function of the car seat.

[0009] In view of the deficiencies in the prior art, it is necessary to make reasonable improvements, and the applicant has made beneficial and persistent exploration and design and carried out non-limited number of simulation tests under security measures, and finally formed the technical scheme to be introduced below. Practical new type content

[0010] The task of the present utility model is to provide an automobile seat automatic adjustment slide rail which is helpful to significantly simplify the overall structure, facilitate manufacturing and assembly, embody economy, be beneficial to completely eliminating the Y and Z direction gaps of the moving and static slide rails, embody excellent clearance eliminating effect, be beneficial to improving the rationality of the structure of the clearance eliminating mechanism, avoid damage to the components for setting rollers, be beneficial to improving the cooperation effect between the moving slide rail and the transmission mechanism, improve the stability and good reliability of the moving slide rail.

[0011] Another task of the present utility model is to provide an automobile seat which can fully embody the technical effects of the automobile seat automatic adjustment slide rail.

[0012] The utility model discloses a kind of automobile seat automatic adjustment slide rails, including a static slide rail, the static slide rail includes static slide rail fixed bottom plate, the front side wall of the length direction of static slide rail fixed bottom plate is folded and unfolded to the upper direction and is constituted, and the rear side wall of the length direction of static slide rail fixed bottom plate is folded and unfolded to the upper direction and is constituted and is parallel with static slide rail front side wall, the space between static slide rail front, rear side wall is constituted as the static slide rail cavity of upper open, and in the length direction of static slide rail front side wall, upper side is folded and unfolded to the direction of the direction of static slide rail cavity and is constituted with the dynamic slide rail front folding edge matching groove with n-shaped cross-sectional shape, in the length direction of static slide rail rear side wall, upper side is also folded and unfolded to the direction of the direction of static slide rail cavity and is constituted with the dynamic slide rail rear folding edge matching groove corresponding with dynamic slide rail front folding edge matching groove with n-shaped cross-sectional shape also;A dynamic slide rail, in the length direction of the dynamic slide rail, front side is folded and unfolded to the upper direction and is constituted with the dynamic slide rail front folding edge groove with U-shaped cross-sectional shape and cooperates with the dynamic slide rail front folding edge matching groove, in the length direction of dynamic slide rail, rear side is folded and unfolded to the upper direction and is constituted with the dynamic slide rail rear folding edge groove with U-shaped cross-sectional shape and cooperates with the dynamic slide rail rear folding edge matching groove, in the left end bottom and right end bottom of dynamic slide rail, a pair of Z-direction gap elimination gyro wheel for eliminating the Z-direction gap between dynamic and static slide rails is rotatably arranged and constitutes rolling pair with the static slide rail fixed bottom plate;A chair seat basin connecting plate is connected to the upper portion of the dynamic slide rail;A screw rod is arranged in the static slide rail cavity;A dynamic slide rail automatic displacement driving mechanism for driving the dynamic slide rail together with the chair seat basin connecting plate to left or right displacement is sequentially matched with the chair seat basin connecting plate, dynamic slide rail and screw rod from top to bottom;Characterized in that: a front gap elimination mechanism for eliminating the gap between the groove wall of the opposite side of the dynamic slide rail front folding edge matching groove and the dynamic slide rail front folding edge groove construction wall is inserted and embedded in the left end and right end of the dynamic slide rail front folding edge groove construction wall corresponding to the dynamic slide rail front folding edge groove, and a rear gap elimination mechanism for eliminating the gap between the groove wall of the opposite side of the dynamic slide rail rear folding edge matching groove and the dynamic slide rail rear folding edge groove construction wall is inserted and embedded in the left end and right end of the dynamic slide rail rear folding edge groove construction wall corresponding to the dynamic slide rail rear folding edge groove;A pair of dynamic slide rail guide mechanisms are arranged on the side of the middle portion of the dynamic slide rail downward, and the pair of dynamic slide rail guide mechanisms constitute sliding pair with the screw rod.

[0013] In one specific embodiment of the utility model, the left end upper portion and the right end upper portion of the movable slide rail front folded edge groove construction wall are respectively provided with a front left roller cage support block insertion groove and a front right roller cage support block insertion groove, the front anti-clearance mechanism is inserted and arranged on the movable slide rail front folded edge groove construction wall at positions corresponding to the front left roller cage support block insertion groove and the front right roller cage support block insertion groove; the left end upper portion and the right end upper portion of the movable slide rail rear folded edge groove construction wall are respectively provided with a rear left roller cage support block insertion groove and a rear right roller cage support block insertion groove, and the rear anti-clearance mechanism is inserted and arranged on the movable slide rail rear folded edge groove construction wall at positions corresponding to the rear left roller cage support block insertion groove and the rear right roller cage support block insertion groove, and the rear anti-clearance mechanism has the same structure as the front anti-clearance mechanism.

[0014] In another specific embodiment of the utility model, the front left roller cage support block insertion groove and the front right roller cage support block insertion groove are separated by a front cage limiting flange, and the rear left roller cage support block insertion groove and the rear right roller cage support block insertion groove are separated by a rear cage limiting flange; the front anti-clearance mechanism comprises a roller cage support block, a roller cage and a roller, the hollow cavity in the middle of the roller cage support block is inserted and fitted with the front cage limiting flange, the left end of the roller cage support block is inserted and fitted with the movable slide rail front folded edge groove construction wall at a position corresponding to the front left roller cage support block insertion groove, the right end of the roller cage support block is inserted and fitted with the movable slide rail front folded edge groove construction wall at a position corresponding to the front right roller cage support block insertion groove, and the upper portion of the right end of the roller cage support block is provided with a roller supporting pillow, the roller cage is inserted into the roller cage support block, and the left end of the roller cage is supported by the cage reinforcing block formed on the left end of the roller cage support block; the roller supporting pillow corresponds to the roller cage cavity formed in the middle of the roller cage and is flush with the upper surface of the roller cage cavity, the right end surface of the roller cage is in contact with the right groove wall of the front right roller cage support block insertion groove, the roller is arranged in a horizontal state on the roller supporting pillow, and the left end surface and the right end surface of the roller are respectively blocked by the surfaces on the opposite sides of the cage left flange and the cage right flange of the roller cage.

[0015] In still another specific embodiment of the utility model, a roller supporting pillow peak is formed in the middle region of the upper surface of the roller supporting pillow, and a roller valley is formed in the middle of the length direction of the roller and around the circumferential direction of the roller, and the roller valley cooperates with the roller supporting pillow peak.

[0016] In still another specific embodiment of the utility model, the spacer fixing hole is arranged on the length direction of the static slide rail fixing bottom plate, the spacer is arranged at the position corresponding to the spacer fixing hole and below the static slide rail fixing bottom plate, the static slide rail fixing bottom plate is fixed together with the spacer and the compartment floor of the vehicle at the position corresponding to the spacer fixing hole by the spacer fixing screw in the use state, and the static slide rail fixing bottom plate is also matched with the positioning column hole on the compartment floor of the vehicle through the spaced distribution positioning column.

[0017] In still another specific embodiment of the utility model, the spacer fixing hole is arranged on the length direction of the static slide rail fixing bottom plate, the spacer is arranged at the position corresponding to the spacer fixing hole and below the static slide rail fixing bottom plate, the static slide rail fixing bottom plate is fixed together with the spacer and the compartment floor of the vehicle at the position corresponding to the spacer fixing hole by the spacer fixing screw in the use state, and the static slide rail fixing bottom plate is also matched with the positioning column hole on the compartment floor of the vehicle through the spaced distribution positioning column.

[0018] In still another specific embodiment of the utility model, the spacer fixing hole is arranged on the length direction of the static slide rail fixing bottom plate, the spacer is arranged at the position corresponding to the spacer fixing hole and below the static slide rail fixing bottom plate, the static slide rail fixing bottom plate is fixed together with the spacer and the compartment floor of the vehicle at the position corresponding to the spacer fixing hole by the spacer fixing screw in the use state, and the static slide rail fixing bottom plate is also matched with the positioning column hole on the compartment floor of the vehicle through the spaced distribution positioning column.

[0019] In further a specific embodiment of the utility model, the motor shaft lets a position of one side of the middle part of worm wheel and worm box embedding cavity be equipped with, motor shaft sleeve and worm wheel and worm box, motor is with its motor shaft downward state fixed in motor base upward side, and the motor shaft of this motor stretches to the below of motor base, and motor base is fixed with motor base fixed plate upward side through motor base fixed screw, motor shaft sleeve is embedded in the corresponding position of motor shaft sleeve cooperation hole and motor base fixed plate, the motor shaft is inserted into the worm wheel and worm box and is connected with the worm in the worm wheel and worm box in the corresponding position of the motor shaft sleeve hole equipped in the middle part of motor shaft sleeve and below the motor shaft sleeve hole and in the corresponding position of the worm hole on the worm wheel and worm box, the worm wheel in the worm wheel and worm box is moved on the screw rod by the worm, and the worm wheel and worm box is embedded in the worm wheel and worm box embedding cavity, wherein each constitutes a motor shaft sleeve expansion wing embedding cavity on the hole wall of the left and right sides of motor shaft sleeve cooperation hole and in the corresponding position, and each constitutes a pair of corresponding motor shaft sleeve expansion wings and is separated by a expansion wing groove on the left end and the right end of the motor shaft sleeve, the pair of motor shaft sleeve expansion wings is embedded in the motor shaft sleeve expansion wing embedding cavity, and the expansion wing groove is embedded in the embedding protrusion, the motor is direct current brushless motor with positive and negative rotation function.

[0020] In further a specific embodiment of the utility model, the pair of dynamic slide rail guide mechanism each includes a sleeve seat fixed plate and a sleeve seat, the sleeve seat fixed plate is welded on the downward side of the dynamic slide rail, the sleeve seat is fixed with the left side of the sleeve seat fixed plate through the sleeve seat fixed screw, a sleeve seat screw rod sliding fit hole is formed on the sleeve seat, the sleeve seat screw rod sliding fit hole corresponds to the sleeve seat fixed plate screw rod sliding fit hole equipped on the sleeve seat fixed plate, the sleeve seat screw rod sliding fit hole and the sleeve seat fixed plate screw rod sliding fit hole are commonly sleeved on the screw rod and form a sliding pair with the screw rod.

[0021] Another task of the utility model is completed in this way, a car seat has the car seat automatic adjustment slide rail.

[0022] One of the technical effects of the technical scheme provided by the utility model is that the number of parts is significantly reduced compared with the prior art, so that the overall structure is simplified, which not only facilitates manufacturing and assembly, but also embodies good economy and economy; the second is that a front gap elimination mechanism for eliminating the gap between the groove wall of the opposite side of the front edge groove matching groove of the movable sliding rail and the movable sliding rail front edge groove construction wall is arranged at the left end and the right end of the movable sliding rail front edge groove construction wall corresponding to the movable sliding rail front edge groove, and a rear gap elimination mechanism for eliminating the gap between the groove wall of the opposite side of the rear edge groove matching groove of the movable sliding rail and the movable sliding rail rear edge groove construction wall is arranged at the left end and the right end of the movable sliding rail rear edge groove construction wall corresponding to the movable sliding rail rear edge groove, so that the Y-direction gap can be eliminated by the movable sliding rail front and rear gap elimination mechanisms, and the Z-direction gap elimination roller can eliminate the Z-direction gap of the rolling pair formed by the static sliding rail fixed bottom plate and the static sliding rail, thereby embodying the excellent gap elimination effect in all directions; the third is that the front and rear gap elimination mechanisms have reasonable structures, so that damage to the components for arranging the rollers can be avoided, and the service life can be ensured; the fourth is that the sliding pair can be formed by a pair of movable sliding rail guide mechanisms and a screw, so that the stability and good reliability of the movable sliding rail movement can be improved; the fifth is that the automobile seat provided can fully realize the technical effect of the automobile seat automatic adjustment sliding rail. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 The utility model discloses an embodiment assembly structure diagram;

[0024] Figure 2 For Figure 1 The left side observation schematic drawing;

[0025] Figure 3 For Figure 1 The A part enlarged view of DETAILED DESCRIPTION

[0026] In order to more clearly understand the technical essence and beneficial effects of the utility model, the applicant makes detailed description in the following embodiment mode, but the description of the embodiment is not the limitation of the utility model scheme, and any equivalent transformation only in form but not in essence according to the utility model concept should be regarded as the technical scheme scope of the utility model.

[0027] In the following description, the directional or positional concepts of up, down, left, right, front and back are all based on the position state of the current by Figure 1 Thus, it cannot be understood as the special limitation of the technical scheme provided by the utility model.

[0028] Please refer to Figure 1 And Figure 2, show a static slide rail 1, the static slide rail 1 includes a static slide rail fixed bottom plate 11, a static slide rail front side wall 12 which is constituted by folding up the front side of the length direction of the static slide rail fixed bottom plate 11, and a static slide rail rear side wall 13 which is constituted by folding up the rear side of the length direction of the static slide rail fixed bottom plate 11 and is parallel to the static slide rail front side wall 12, the space between the static slide rail front side wall 12 and the static slide rail rear side wall 13 is constituted as a static slide rail cavity 14 which is open at the upper part, and a dynamic slide rail front folded edge matching groove 121 which is in the shape of n in cross section is constituted at the upper edge of the length direction of the static slide rail front side wall 12 and is folded up towards the static slide rail cavity 14, a dynamic slide rail rear folded edge matching groove 131 which is in the shape of n in cross section and corresponds to the dynamic slide rail front folded edge matching groove 121 is also constituted at the upper edge of the length direction of the static slide rail rear side wall 13 and is folded up towards the static slide rail cavity 14; show a dynamic slide rail 2, a dynamic slide rail front folded edge groove 21 which is in the shape of U in cross section and matches the aforementioned dynamic slide rail front folded edge matching groove 121 is constituted by folding up the front side lower part of the length direction of the dynamic slide rail 2, a dynamic slide rail rear folded edge groove 22 which is in the shape of U in cross section and matches the aforementioned dynamic slide rail rear folded edge matching groove 131 is also constituted by folding up the rear side lower part of the length direction of the dynamic slide rail 2, a pair of Z-direction gap elimination rollers 23 which are used to eliminate the Z-direction gap between the dynamic slide rail 2 and the static slide rail 1 and constitute a rolling pair with the aforementioned static slide rail fixed bottom plate 11 are rotatably arranged at the left end bottom and the right end bottom of the dynamic slide rail 2; show a seat pan connecting plate 3 which is connected to the upper part of the aforementioned dynamic slide rail 2; show a screw rod 4 which is arranged in the aforementioned static slide rail cavity 14; show a dynamic slide rail automatic displacement driving mechanism 5 which is used to drive the aforementioned dynamic slide rail 2 together with the aforementioned seat pan connecting plate 3 to displace leftward or rightward, the dynamic slide rail automatic displacement driving mechanism 5 matches the aforementioned seat pan connecting plate 3, the dynamic slide rail 2 and the screw rod 4 in turn from top to bottom.

[0029] According to professional common sense and by the interpretation of words, the aforementioned static slide rail 1 can be essentially called a lower slide rail or an outer slide rail, and correspondingly, the dynamic slide rail 2 can be essentially called an upper slide rail or an inner slide rail, thus the technical essence of the utility model cannot be limited by the definition difference of the noun terms. In addition, the Z-direction gap elimination roller 23 shown in Figure 1 and Figure 2 is rotatably supported on a roller shaft supporting plate 25 by a roller shaft 231, the roller shaft supporting plate 25 is constituted by punching the dynamic slide rail 2 by a punching process, that is, constituted by material transfer by punching.

[0030] The utility model provides a technical scheme, and its technical points are as follows: a front left embedded groove 2111 and a front right embedded groove 2112 are formed on the left upper end and the right upper end of the front folding edge groove forming wall 211 corresponding to the dynamic sliding rail front folding edge groove 21, the front gap elimination mechanism 6 is inserted and embedded on the position corresponding to the front left embedded groove 2111 and the front right embedded groove 2112 of the dynamic sliding rail front folding edge groove forming wall 211; a rear left embedded groove 2211 and a rear right embedded groove 2212 are formed on the left upper end and the right upper end of the rear folding edge groove forming wall 221 corresponding to the dynamic sliding rail rear folding edge groove 22, the rear gap elimination mechanism 7 is inserted and embedded on the position corresponding to the rear left embedded groove 2211 and the rear right embedded groove 2212 of the dynamic sliding rail rear folding edge groove forming wall 221, and the rear gap elimination mechanism 7 is same in structure with the front gap elimination mechanism 6.

[0031] Continuing to see Figure 1 And Figure 2 The front left embedded groove 2111 and the front right embedded groove 2112 are formed on the left upper end and the right upper end of the front folding edge groove forming wall 211 corresponding to the dynamic sliding rail front folding edge groove 21, the front gap elimination mechanism 6 is inserted and embedded on the position corresponding to the front left embedded groove 2111 and the front right embedded groove 2112 of the dynamic sliding rail front folding edge groove forming wall 211; a rear left embedded groove 2211 and a rear right embedded groove 2212 are formed on the left upper end and the right upper end of the rear folding edge groove forming wall 221 corresponding to the dynamic sliding rail rear folding edge groove 22, the rear gap elimination mechanism 7 is inserted and embedded on the position corresponding to the rear left embedded groove 2211 and the rear right embedded groove 2212 of the dynamic sliding rail rear folding edge groove forming wall 221, and the rear gap elimination mechanism 7 is same in structure with the front gap elimination mechanism 6.

[0032] Please see Figure 3 And combine Figure 1, the front left slot 2111 of the roller retainer cage support block and the front right slot 2112 of the roller retainer cage support block are separated by the front retainer cage limiting flange 2113, and the left rear slot 2211 of the roller retainer cage support block and the right rear slot 2212 of the roller retainer cage support block are separated by the rear retainer cage limiting flange 2213; the front anti-play mechanism 6 comprises a roller retainer cage support block 61, a roller retainer cage 62, and a roller 63, the hollow cavity 612 in the middle of the roller retainer cage support block 61 is inserted into the front retainer cage limiting flange 2113, the left end of the roller retainer cage support block 61 is inserted into the front folded edge slot structure wall 211 at the position corresponding to the front left slot 2111 of the roller retainer cage support block, the right end of the roller retainer cage support block 61 is inserted into the front folded edge slot structure wall 211 at the position corresponding to the front right slot 2112 of the roller retainer cage support block, and the material of the roller retainer cage support block 61 is preferably rubber but is not limited to rubber, the right end of the roller retainer cage support block 61 is provided with a roller support pillow 611, the roller retainer cage 62 is inserted into the roller retainer cage support block 61, and the left end of the roller retainer cage 62 is supported by the retainer cage reinforcing block 613 provided at the left end of the roller retainer cage support block 61, the roller support pillow 611 corresponds to the roller retainer cage cavity 621 provided in the middle of the roller retainer cage 62 and is flush with the upper surface of the roller retainer cage cavity 621, the right end surface of the roller retainer cage 62 is in contact with the right slot wall 21121 of the front right slot 2112 of the roller retainer cage support block, and the roller 63 is arranged in a horizontal state on the roller support pillow 611, and the left end surface and the right end surface of the roller 63 are respectively blocked by the surfaces of the left retainer cage flange 622 and the right retainer cage flange 623 facing each other.

[0033] Continued to see Figure 1 and Figure 3 A roller support pillow peak 6111 is formed in the middle area of the upper surface of the roller support pillow 611, and a roller valley 631 is formed around the circumference of the roller 63 in the middle of the length direction of the roller 63, and the roller valley 631 cooperates with the roller support pillow peak 6111, which can greatly reduce the movement resistance of the roller 63.

[0034] As shown by Figure 1 The spacer plate fixing holes 111 are arranged in the length direction of the stationary rail fixed bottom plate 11, the spacer plates 1111 are arranged at the positions corresponding to the spacer plate fixing holes 111 and below the stationary rail fixed bottom plate 11, the stationary rail fixed bottom plate 11 is fixed together with the spacer plates 1111 at the positions corresponding to the spacer plate fixing holes 111 by spacer plate fixing screws in the use state, and the stationary rail fixed bottom plate 11 is further matched with the positioning column holes provided on the vehicle compartment floor through the spaced positioning columns 112.

[0035] In the aforementioned static slide rail fixed base plate 11 and in the positions respectively corresponding to the left end and the right end of the aforementioned screw rod 4, a screw rod support seat fixed screw allowing hole 113 is formed, the left end and the right end of the aforementioned screw rod 4 are arranged on the screw rod support seat 41, and the left end of the screw rod 4 is screwed with the screw rod support seat 41 at the left end, while the right end of the screw rod 4 extends to the right side of the screw rod support seat 41 at the right end and is locked by the screw rod right end locking nut 42, because the left end of the screw rod 4 is screwed with the screw rod support seat 41 at the left end, while the right end is light pole matched with the corresponding position of the screw rod support seat 41 at the right end, the bottom of the screw rod support seat 41 is screwed into the bottom of the screw rod support seat 41 from the bottom of the static slide rail fixed base plate 11 in the direction of the aforementioned static slide rail cavity 14 at the position corresponding to the aforementioned screw rod support seat fixed screw allowing hole 113, so as to fix the screw rod support seat 41 in the aforementioned static slide rail cavity 14 with the static slide rail fixed base plate 11.

[0036] In the middle of the length direction of the aforementioned chair seat basin connecting plate 3, a motor allowing recess 31 is formed, a motor seat fixed plate 311 is fixed at the position corresponding to the lower side of the motor allowing recess 31, a motor shaft sleeve matching hole 3111 is formed in the middle of the motor seat fixed plate 311, and a chair seat basin connecting nut seat 32 is fixed at the left end and the right end of the chair seat basin connecting plate 3; In the middle of the length direction of the aforementioned moving slide rail 2 and at the position corresponding to the aforementioned motor shaft sleeve matching hole 3111, a worm gear box embedding cavity 24 is formed, and an embedding protrusion 33 is formed in the lower part of the aforementioned chair seat basin connecting plate 3, which is inserted and fixed with the embedding block cavity 26 formed on the aforementioned moving slide rail 2; The aforementioned moving slide rail automatic displacement driving mechanism 5 is matched from top to bottom with the aforementioned motor seat fixed plate 311, worm gear box embedding cavity 24 and the middle part of the aforementioned screw rod 4.

[0037] Since in the use state, the seat basin of the chair seat of the automobile seat is connected with the aforementioned chair seat basin connecting nut seat 32, which belongs to the known technology, the applicant will not expand the description.

[0038] Still see Figure 1 and Figure 2A motor shaft accommodating cavity 241 is formed in the middle of the worm gear box cavity 24. The automatic displacement driving mechanism 5 of the movable slide rail comprises a motor 51, a motor shaft sleeve 52 and a worm gear box 53. The motor 51 is fixed to the upper side of the motor base 512 with the motor shaft 511 downward, and the motor shaft 511 extends below the motor base 512. The motor base 512 is fixed to the upper side of the motor base fixing plate 311 by the motor base fixing screw 5121. The motor shaft sleeve 52 is fitted to the motor base fixing plate 311 at the position corresponding to the motor shaft sleeve fitting hole 3111. The motor shaft 511 extends below the motor shaft sleeve hole 521 formed in the middle of the motor shaft sleeve 52 and is inserted into the worm gear box 53 at the position corresponding to the worm hole 531 of the worm gear box 53 to connect with the worm in the worm gear box 53. The worm gear box 53 is driven by the worm to move the worm gear in the worm gear box 53 on the screw 4. The worm gear box 53 is fitted to the worm gear box cavity 24. The motor shaft sleeve expansion wings fitting cavities 31111 are formed on the hole walls on the left and right sides of the motor shaft sleeve fitting hole 3111 and at the corresponding positions. The motor shaft sleeve expansion wings 522 are formed on the left and right ends of the motor shaft sleeve 52 and are separated by the expansion wing groove 5221. The motor shaft sleeve expansion wings 522 are fitted to the motor shaft sleeve expansion wings fitting cavities 31111 and the expansion wing groove 5221 is fitted to the embedded block 33. In this embodiment, the motor 51 is a direct current brushless motor with forward and reverse rotation functions.

[0039] Please continue to see Figure 1 The pair of movable slide rail guide mechanisms 8 each comprises a sleeve seat fixing plate 81 and a sleeve seat 82. The sleeve seat fixing plate 81 is welded to the lower side of the movable slide rail 2. The sleeve seat 82 is fixed to the left side of the sleeve seat fixing plate 81 by the sleeve seat fixing screw 822. The sleeve seat screw sliding fitting hole 821 is formed on the sleeve seat 82 and corresponds to the sleeve seat fixing plate screw sliding fitting hole formed on the sleeve seat fixing plate 81. The sleeve seat screw sliding fitting hole 821 and the sleeve seat fixing plate screw sliding fitting hole are fitted on the screw 4 and form a sliding pair with the screw 4. This structure makes the movement (left and right displacement) of the upper slide rail 2 more stable.

[0040] According to professional knowledge, as an automobile seat, two automobile seat automatic adjustment slide rails of the structure of the utility model are required, and the motors 51 of the movable slide rail automatic displacement driving mechanisms 5 in the structure systems of the two automobile seat automatic adjustment slide rails are controlled by an ECU (electronic control unit) to ensure that the two motors work synchronously and in the same direction.

[0041] WithFigure 1 The position state shown is an example, when the seat occupant operates the button provided on the side or bottom of the seat or other reasonable position of the car seat, the seat is automatically moved forward or backward (toward the front or rear of the car) Figure 1 The state shown is to the left or right.

[0042] Now take Figure 1 The state shown is an example of moving to the right, under the operation of the motor 51, the worm of the worm and gear box 53 is driven by the motor shaft 511, the worm drives the worm wheel, and since the worm wheel cooperates with the screw 4, the worm and gear box 53 moves right along the screw 4. Since the worm and gear box 53 is fitted and connected with the dynamic slide rail 2 at the position corresponding to the worm and gear box cavity 24 opened on the dynamic slide rail 2, and the aforementioned seat basin connecting plate 3 is embedded with the embedded protrusion 33 formed at the lower end thereof and the embedded protrusion cavity 26 formed on the dynamic slide rail 2, when the worm and gear box 53 moves right along the screw 4, the dynamic slide rail 2 moves synchronously with the seat basin connecting plate 3 and the motor 51 provided on the seat basin connecting plate 3, thereby driving the seat basin of the seat of the car seat to move. Since the process of moving to the left is similar to the foregoing, only the motor works in reverse, so the applicant will not repeat it.

[0043] During the movement of the aforementioned dynamic slide rail 2 to the right or left, the aforementioned two front anti-backlash mechanisms 6 and two rear anti-backlash mechanisms 7 play a role in eliminating the gap mentioned by the applicant above, that is, eliminating the Y-direction gap. At the same time, the Z-direction gap is eliminated by the Z-direction gap elimination roller 23. It should be noted that the Z-direction and Y-direction mentioned in this application are based on the direction on the vehicle in the actual use state.

[0044] The utility model also relates to a car seat, which has the aforementioned automatic adjustment slide rail of the car seat.

[0045] In summary, the technical scheme provided by the utility model makes up for the shortcomings in the prior art, successfully completes the invention task, and truly realizes the technical effects described in the technical effect column above.

Claims

1. An automatic adjustment slide rail for a car seat, comprising a stationary slide rail (1), the stationary slide rail (1) comprising a stationary slide rail fixing base plate (11), a stationary slide rail front sidewall (12) formed by folding upward from the front side of the stationary slide rail fixing base plate (11) along its length direction, and a stationary slide rail rear sidewall (13) formed by folding upward from the rear side of the stationary slide rail fixing base plate (11) along its length direction and parallel to the stationary slide rail front sidewall (12), the space between the stationary slide rail front sidewall (12) and the stationary slide rail rear sidewall (13) forming a stationary slide rail cavity (14) with an open upper portion, and Furthermore, the upper edge of the front sidewall (12) of the stationary slide rail in the length direction is folded towards the stationary slide rail cavity (14) to form a moving slide rail front folded edge fitting groove (121) with an n-shaped cross-section. The upper edge of the rear sidewall (13) of the stationary slide rail in the length direction is also folded towards the stationary slide rail cavity (14) to form a moving slide rail rear folded edge fitting groove (131) with an n-shaped cross-section corresponding to the moving slide rail front folded edge fitting groove (121); a moving slide rail (2) is folded upward on the front side in the length direction to form a horizontal The moving slide rail has a U-shaped front flange groove (21) that mates with the front flange groove (121) of the moving slide rail. A U-shaped rear flange groove (22) folds upwards on the rear side of the moving slide rail (2) and mates with the rear flange groove (131) of the moving slide rail. A pair of grooves are rotatably provided at the bottom left and bottom right ends of the moving slide rail (2) to eliminate the Z-direction gap between the moving slide rail (2) and the stationary slide rail (1), and these grooves form a rolling pair with the stationary slide rail fixing base plate (11). Z-axis clearance elimination roller (23); a chair seat basin connecting plate (3) connected to the upper part of the movable slide rail (2); a screw (4) disposed in the stationary slide rail cavity (14); an automatic displacement drive mechanism (5) for driving the movable slide rail (2) together with the chair seat basin connecting plate (3) to move to the left or right, the automatic displacement drive mechanism (5) cooperating with the chair seat basin connecting plate (3), the movable slide rail (2) and the screw (4) from top to bottom; characterized in that: A front gap-eliminating mechanism (6) is inserted and fitted at the left end and the right end of the front folding edge groove forming wall (211) corresponding to the front folding edge groove (21) of the movable sliding rail to eliminate the gap between the groove wall of the opposite side of the front folding edge fitting groove (121) and the front folding edge groove forming wall (211). A rear gap-eliminating mechanism (7) is inserted and fitted at the left end and the right end of the rear folding edge groove forming wall (221) corresponding to the rear folding edge groove (22) of the movable sliding rail to eliminate the gap between the groove wall of the opposite side of the rear folding edge fitting groove (131) and the rear folding edge groove forming wall (221). A pair of movable sliding rail guide mechanisms (8) are arranged on the lower side of the middle part of the movable sliding rail (2) and are spaced apart from each other, and the pair of movable sliding rail guide mechanisms (8) form a sliding pair with the screw rod (4).

2. The automobile seat automatic adjusting slide rail according to claim 1, characterized in that: A front left roller cage support block insertion groove (2111) and a front right roller cage support block insertion groove (2112) are formed at the upper left end and the upper right end of the front folding edge groove forming wall (211), and the front gap-eliminating mechanism (6) is inserted and fitted at the positions corresponding to the front left roller cage support block insertion groove (2111) and the front right roller cage support block insertion groove (2112) of the front folding edge groove forming wall (211). A rear left roller cage support block insertion groove (2211) and a rear right roller cage support block insertion groove (2212) are formed at the upper left end and the upper right end of the rear folding edge groove forming wall (221), and the rear gap-eliminating mechanism (7) is inserted and fitted at the positions corresponding to the rear left roller cage support block insertion groove (2211) and the rear right roller cage support block insertion groove (2212) of the rear folding edge groove forming wall (221), and the rear gap-eliminating mechanism (7) has the same structure as the front gap-eliminating mechanism (6).

3. The automobile seat automatic adjusting slide rail according to claim 2, characterized in that: The front left slot (2111) and the front right slot (2112) of the roller cage support block are separated by the front cage limiting flange (2113), and the rear left slot (2211) and the rear right slot (2212) of the roller cage support block are separated by the rear cage limiting flange (2213); the front anti-backlash mechanism (6) comprises a roller cage support block (61), a roller cage (62) and a roller (63), the hollow cavity (612) in the middle of the roller cage support block (61) is inserted into the front cage limiting flange (2113), the left end of the roller cage support block (61) is inserted into the front folded edge slot structure wall (211) at the position corresponding to the front left slot (2111) of the roller cage support block, and the right end of the roller cage support block (61) is inserted into the front folded edge slot structure wall (211) at the position corresponding to the front right slot (2112) of the roller cage support block, and the upper part of the right end of the roller cage support block (61) is provided with a roller supporting pillow (611), the roller cage (62) is inserted into the roller cage support block (61), and the left end of the roller cage (62) is supported by the cage reinforcing block (613) formed on the left end of the roller cage support block (61), the roller supporting pillow (611) corresponds to the roller cage cavity (621) formed in the middle of the roller cage (62) and is flush with the upper surface of the roller cage cavity (621), the right end surface of the roller cage (62) is in contact with the right slot wall (21121) of the front right slot (2112) of the roller cage support block, and the roller (63) is arranged in a horizontal state on the roller supporting pillow (611), and the left end surface and the right end surface of the roller (63) are respectively blocked by the surfaces on the opposite sides of the cage left flange (622) and the cage right flange (623) of the roller cage (62).

4. The automatic adjusting slide rail for an automobile seat according to claim 3, characterized by: A roller supporting pillow peak (6111) is formed in the middle area of the upper surface of the roller supporting pillow (611), and a roller valley (631) is formed in the middle of the length direction of the roller (63) and around the circumferential direction of the roller (63), which cooperates with the roller supporting pillow peak (6111).

5. The automatic adjusting slide rail for an automobile seat according to claim 1, characterized by: The spacer plate fixing holes (111) are arranged in the length direction of the stationary slide rail fixed bottom plate (11), the spacer plates (1111) are arranged at the positions corresponding to the spacer plate fixing holes (111) and below the stationary slide rail fixed bottom plate (11), the stationary slide rail fixed bottom plate (11) is fixed together with the spacer plates (1111) to the vehicle body floor at the positions corresponding to the spacer plate fixing holes (111) by the spacer plate fixing screws in the use state, and the stationary slide rail fixed bottom plate (11) is also matched with the positioning column holes prearranged on the vehicle body floor through the spaced positioning columns (112).

6. The automatic adjusting slide rail for an automobile seat according to claim 1, characterized by: On the fixed base plate (11) of the static slide rail and at positions respectively corresponding to the left end and the right end of the screw rod (4), screw rod support seat fixing screw accommodating holes (113) are formed, the left end and the right end of the screw rod (4) are arranged on screw rod support seats (41) respectively, the left end of the screw rod (4) is screwed with the screw rod support seat (41) at the left end, the right end of the screw rod (4) extends to the right side of the screw rod support seat (41) at the right end and is locked by a screw rod right end locking nut (42), the bottom of the screw rod support seat (41) is screwed into the bottom of the screw rod support seat (41) from the bottom of the fixed base plate (11) towards the direction of the static slide rail cavity (14) at positions corresponding to the screw rod support seat fixing screw accommodating holes (113) to fix the screw rod support seat (41) in the static slide rail cavity (14) with the fixed base plate (11) of the static slide rail.

7. The automatic adjusting slide rail of automobile seat according to claim 1, characterized in that: A motor accommodating cavity (31) is formed in the middle of the length direction of the chair seat basin connecting plate (3), a motor seat fixing plate (311) is fixed at a position below the motor accommodating cavity (31), a motor shaft sleeve matching hole (3111) is formed in the middle of the motor seat fixing plate (311), and a chair seat basin connecting nut seat (32) is fixed at the left end and the right end of the chair seat basin connecting plate (3) respectively; a worm gear box embedding cavity (24) is formed in the middle of the length direction of the movable slide rail (2) and at a position corresponding to the motor shaft sleeve matching hole (3111), and an embedding protrusion (33) is formed in the lower part of the chair seat basin connecting plate (3) in intervals, which is inserted and fixed with the embedding block cavity (26) formed on the movable slide rail (2); the movable slide rail automatic displacement driving mechanism (5) is matched with the motor seat fixing plate (311), the worm gear box embedding cavity (24) and the middle part of the screw rod (4) from top to bottom in sequence.

8. The automobile seat automatic adjusting slide rail according to claim 7, characterized in that: A motor shaft accommodation cavity (241) is formed in the middle of one side of the worm gear box cavity (24); the automatic displacement driving mechanism (5) of the movable slide rail comprises a motor (51), a motor shaft sleeve (52) and a worm gear box (53), the motor (51) is fixed on the upward side of the motor base (512) with the downward motor shaft (511), the motor shaft (511) of the motor (51) extends below the motor base (512), the motor base (512) is fixed on the upward side of the motor base fixing plate (311) by the motor base fixing screw (5121), the motor shaft sleeve (52) is fitted in the motor base fixing plate (311) at the position corresponding to the motor shaft sleeve fitting hole (3111), the motor shaft (511) extends below the motor shaft sleeve hole (521) formed in the middle of the motor shaft sleeve (52) and is inserted into the worm gear box (53) at the position corresponding to the worm hole (531) of the worm gear box (53) to connect with the worm in the worm gear box (53), the worm drives the worm gear in the worm gear box (53) to move on the screw (4), the worm gear box (53) is fitted in the worm gear box cavity (24); each of the left and right hole walls of the motor shaft sleeve fitting hole (3111) and at the corresponding positions forms a motor shaft sleeve expansion wing cavity (31111), each of the left and right ends of the motor shaft sleeve (52) forms a pair of expansion wings (522) corresponding to each other and separated by an expansion wing groove (5221), the pair of expansion wings (522) are fitted in the motor shaft sleeve expansion wing cavity (31111), and the expansion wing groove (5221) is fitted in the embedded block (33); the motor (51) is a direct current brushless motor with forward and reverse rotation functions.

9. The automatic adjusting slide rail for an automobile seat according to claim 1, characterized by: Each of the pair of movable slide rail guide mechanisms (8) comprises a sleeve seat fixing plate (81) and a sleeve seat (82), the sleeve seat fixing plate (81) is welded to the downward side of the movable slide rail (2), the sleeve seat (82) is fixed to the left side of the sleeve seat fixing plate (81) by the sleeve seat fixing screw (822), the sleeve seat (82) is provided with a sleeve seat screw sliding fitting hole (821), the sleeve seat screw sliding fitting hole (821) corresponds to the sleeve seat fixing plate screw sliding fitting hole formed in the sleeve seat fixing plate (81), the sleeve seat screw sliding fitting hole (821) and the sleeve seat fixing plate screw sliding fitting hole are fitted on the screw (4) and form a sliding pair with the screw (4).

10. An automotive seat characterized by comprising: The automobile seat automatic adjustment slide rail has the advantages of the automobile seat automatic adjustment slide rail. The automobile seat automatic adjustment slide rail has the advantages of the automobile seat automatic adjustment slide rail.

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