Tolerance regulator for tolerance compensation of automobile luggage rack

Abstract

The utility model relates to the technical field of tolerance regulators, in particular to a tolerance regulator for tolerance compensation of an automobile baggage holder, which comprises an automobile baggage holder body and an automobile metal plate, the automobile metal plate is provided with a mounting hole, the automobile baggage holder body is provided with a counterbore, and an external thread pipe body is arranged in the mounting hole in a penetrating manner. The lower end of the external thread pipe body is connected with an elastic axial limiting block mechanism, a through hole is formed in the supporting and fixing plate, the outer circle of the external thread pipe body is sleeved with the through hole in the supporting and fixing plate, and the two ends of the supporting and fixing plate are connected with height adjusting supporting rod assemblies respectively. The upper end of the height adjusting supporting rod assembly is connected with the automobile luggage rack body in an abutting mode. The upper end of the external thread pipe body penetrates through the counterbore and is in screwed connection with a nut, and the external thread pipe body is in screwed connection with a nut located above the supporting and fixing plate. The automobile luggage rack is reasonable in structure, the probability that the problems of inclination, abnormal sound and the like occur to the automobile luggage rack is reduced, and the assembly precision is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of tolerance adjuster, especially to a tolerance adjuster for tolerance compensation of automobile luggage rack. BACKGROUND

[0002] The automobile luggage rack is installed on the top of the automobile and is used for carrying luggage, articles or other equipment. When installing the automobile luggage rack, a connecting piece is usually used to fix the automobile luggage rack and the roof panel. In order to be beautiful and reduce wind resistance, the top of the automobile is usually arc-shaped. In order to make the roof have strong structural strength, the roof panel and the reinforcing panel are usually fixed by spot welding or riveting.

[0003] For the above-mentioned related technology, the inventor finds that, because the roof panel and the reinforcing panel are fixed by spot welding or riveting, the roof panel is prone to have large dimensional error, which cannot make the automobile luggage rack better adapt to the roof panel, thereby causing the automobile luggage rack to be prone to tilt, abnormal sound and other problems, and reducing assembly accuracy. Therefore, a tolerance adjuster for compensating for installation base surface error is needed to be designed as a connecting piece to fix the automobile luggage rack. SUMMARY

[0004] The utility model mainly solves the technical problem to provide a kind of tolerance adjuster for tolerance compensation of automobile luggage rack, reduce the probability that the automobile luggage rack appears tilt, abnormal sound and other problems, improve assembly accuracy.

[0005] To solve the above technical problems, one technical scheme of the utility model is provided: a kind of tolerance adjuster for tolerance compensation of automobile luggage rack, including: automobile luggage rack body and automobile panel, the installation hole is equipped on the automobile panel, the countersunk hole is equipped on the automobile luggage rack body, the outer thread pipe body is arranged in the installation hole, the lower end of the outer thread pipe body is connected with elastic axial limit block mechanism, is suitable for preventing outer thread pipe body from moving upwards;

[0006] It further includes support fixed plate, the through hole is equipped on the support fixed plate, the through hole on the support fixed plate is sleeved on the outer circle of outer thread pipe body, the both ends of the support fixed plate are respectively connected with height adjustment support rod assembly, the upper end of the height adjustment support rod assembly is connected with the automobile luggage rack body.

[0007] The upper end of the outer thread pipe body passes through the countersunk hole and is screw-connected with nut, the nut above the support fixed plate is screw-connected on the outer thread pipe body.

[0008] By adopting the technical scheme, in use, the lower end of the externally-threaded pipe body is placed in the mounting hole, the externally-threaded pipe body is pressed to move downwards by a distance, and then the externally-threaded pipe body is axially limited by the elastic axial limiting block mechanism, the elastic axial limiting block mechanism is in contact with the lower surface of the automobile sheet metal to prevent the externally-threaded pipe body from moving upwards, the purpose of limiting is achieved, the through hole on the support fixing plate is sleeved on the outer circle of the externally-threaded pipe body, the nut is screwed on the externally-threaded pipe body to fix the support fixing plate, the height of the height-adjustable support rod assembly is adjusted to make the upper end of the height-adjustable support rod assembly abut against the automobile luggage rack body, the height-adjustable support rod assembly supports the irregular lower surface of the automobile luggage rack body, the upper end of the externally-threaded pipe body is arranged in the counterbore on the automobile luggage rack body, and then the nut is screwed on the upper end of the externally-threaded pipe body to press and fix the automobile luggage rack body, so that the probability of problems, such as inclination and abnormal sound, of the automobile luggage rack caused by size error of the automobile sheet metal is reduced, and the assembly precision is improved.

[0009] In a preferred example, the lower end of the externally-threaded pipe body is symmetrically provided with two rectangular holes, the elastic axial limiting block mechanism comprises a flip limiting block assembly arranged in the rectangular hole and an elastic reset assembly arranged between the flip limiting block assemblies, the externally-threaded pipe body is arranged in the mounting hole and then moves downwards to press the flip limiting block assembly to swing towards each other into the inner hole of the externally-threaded pipe body, the flip limiting block assembly moves below the automobile sheet metal, the elastic reset assembly drives the flip limiting block assembly to swing in the opposite direction and be in contact with the bottom wall in the rectangular hole, and the flip limiting block assembly is in a horizontal state.

[0010] By adopting the technical scheme, the flip limiting block assembly is pressed and flipped towards each other by the inner wall of the mounting hole, the flip limiting block assembly is pressed and deformed on the elastic reset assembly, when the externally-threaded pipe body penetrates the mounting hole and the flip limiting block assembly is below the automobile sheet metal, the elastic force of the elastic reset assembly drives the flip limiting block assembly to flip in the opposite direction and abut against the lower surface of the automobile sheet metal, and the purpose of limiting is achieved.

[0011] In a preferred example, the flip limiting block assembly comprises a limiting block arranged in the rectangular hole, one end of the limiting block is provided with a support shaft and is rotationally connected, the two ends of the support shaft pass through the externally-threaded pipe body and are fixedly connected, an inclined edge is arranged at the connection between the outer end surface of the limiting block and the lower plane, and the upper surface of the limiting block is connected with an arc-shaped boss matched with the inner surface of the automobile sheet metal.

[0012] By adopting the technical scheme, when the outer thread pipe body moves downwards, the inclined edge of the limiting block contacts the inner wall of the mounting hole, the limiting block is turned over to the inner hole of the outer thread pipe body and is extruded, so that the limiting block passes through the mounting hole on the automobile sheet metal, and the existence of the arc-shaped boss makes the turnover limiting block assembly better contact the lower surface of the automobile sheet metal, and the limiting effect is enhanced.

[0013] The elastic reset assembly in the utility model further comprises a strip-shaped plate and a triangular block connected to the lower plane of the strip-shaped plate, two inclined surfaces of the triangular block are respectively connected with reset springs, and two ends of the strip-shaped plate are respectively connected with top walls in corresponding rectangular holes.

[0014] By adopting the technical scheme, when the two turnover limiting block assemblies are extruded against the reset springs connected to the triangular blocks, the two turnover limiting block assemblies are reversely turned over and abut against the lower surface of the automobile sheet metal under the elastic force of the reset springs, and the purpose of limiting is achieved.

[0015] The height-adjusting support rod assembly in the utility model further comprises a threaded rod and an inner thread pipe body screw-connected to the upper end of the threaded rod, the lower end of the threaded rod is connected with a support fixed plate, the upper end of the inner thread pipe body is connected with a plastic block, and a hexagonal sleeve is connected to the outer circle of the inner thread pipe body.

[0016] By adopting the technical scheme, the inner thread pipe body is rotated forward or reversely, so that the distance between the top end of the plastic block and the support fixed plate is adjusted, that is, the plastic block on the inner thread pipe body can contact the irregular lower surface of the automobile luggage rack body, and the purpose of stable support is achieved.

[0017] The upper end of the outer thread pipe body is connected with a circular plug, the upper plane of the circular plug is concentrically connected with a hexagonal boss, the outer diameter of the circular plug is smaller than the bottom diameter of the thread on the outer thread pipe body, and a plastic pipe body is sleeved between the support fixed plate and the nut.

[0018] By adopting the technical scheme, the use of the circular plug reduces the entry of foreign matters into the inner cavity of the outer thread pipe body, the open wrench is clamped to the outer side of the hexagonal boss to circumferentially limit the outer thread pipe body, the rotation of the nut is facilitated to fixedly connect the support fixed plate, and the operation convenience is improved.

[0019] In summary, the utility model has at least one of the following beneficial technical effects:

[0020] The height of the height-adjusting support rod assembly is adjusted to abut the upper end thereof against the automobile luggage rack body, the height-adjusting support rod assembly supports the irregular lower surface of the automobile luggage rack body, the upper end of the outer threaded pipe body is arranged in the countersunk hole on the automobile luggage rack body, and the nut is screw-connected at the upper end of the outer threaded pipe body to press and fix the automobile luggage rack body, so that the probability of problems such as inclination and abnormal sound of the automobile luggage rack caused by size error of automobile sheet metal is reduced, and the assembly precision is improved. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative effort on the basis of these drawings, wherein:

[0022] Figure 1 is a structural schematic view of a preferred embodiment of a tolerance adjuster for automobile luggage rack tolerance compensation.

[0023] Figure 2 is Figure 1 the structural schematic view of the support fixing plate, the outer threaded pipe body, the turnover type limiting block assembly, the height-adjusting support rod assembly, the elastic reset assembly, the circular plug, and the structure connection of the hexagonal boss and the plastic pipe body.

[0024] Figure 3 is Figure 2 the structural schematic view of the elastic reset assembly.

[0025] In the drawings: 1, automobile luggage rack body; 2, automobile sheet metal; 3, mounting hole; 4, countersunk hole; 5, outer threaded pipe body; 60, turnover type limiting block assembly; 7, through hole; 80, height-adjusting support rod assembly; 90, elastic reset assembly; 11, rectangular hole; 12, circular plug; 13, hexagonal boss; 14, plastic pipe body; 15, support fixing plate;

[0026] 61, limiting block; 62, support shaft; 63, inclined edge; 64, arc-shaped boss;

[0027] 81, threaded rod; 82, inner threaded pipe body; 83, plastic block; 84, hexagonal sleeve;

[0028] 91, strip-shaped plate; 92, triangular block; 93, reset spring. DETAILED DESCRIPTION

[0029] The preferred embodiments of the utility model are described below in combination with the drawings, and it should be understood that the preferred embodiments described herein are only used for illustrating and explaining the utility model, and are not used for limiting the utility model.

[0030] It should be noted that these drawings are all simplified schematic diagrams, and only illustrate the basic structure of the utility model in a schematic manner, and thus only show the relevant components of the utility model.

[0031] Referring to Figures 1 to 3 The utility model discloses a kind of public tolerance adjustors for automobile luggage carrier tolerance compensation, comprising: automobile luggage carrier body 1 and automobile sheet metal 2, installation hole 3 is provided on automobile sheet metal 2, blind hole 4 is provided on automobile luggage carrier body 1, outer thread pipe body 5 is arranged in installation hole 3, the lower end of outer thread pipe body 5 is connected with elastic axial limit block mechanism, suitable for preventing outer thread pipe body 5 from moving upwards.

[0032] Two rectangular holes 11 are symmetrically provided on the lower end of outer thread pipe body 5, and elastic axial limit block mechanism includes flip limit block assembly 60 arranged in rectangular hole 11 respectively and elastic reset assembly 90 located between flip limit block assembly 60, after outer thread pipe body 5 passes through installation hole 3, move downwards and extrude flip limit block assembly 60 to swing into the inner hole of outer thread pipe body 5, flip limit block assembly 60 moves to the lower side of automobile sheet metal 2, elastic reset assembly 90 drives flip limit block assembly 60 to swing in reverse and contact with the bottom wall in rectangular hole 11, and flip limit block assembly 60 is in horizontal state;Flip limit block assembly 60 is extruded to swing in opposite directions by the inner wall of installation hole 3, and flip limit block assembly 60 extrudes and deforms elastic reset assembly 90, when outer thread pipe body 5 penetrates installation hole 3 and flip limit block assembly 60 is located below automobile sheet metal 2, the elastic force of elastic reset assembly 90 drives flip limit block assembly 60 to swing in reverse and abut against the lower surface of automobile sheet metal 2, to achieve the purpose of limiting.

[0033] Flip limit block assembly 60 includes limit block 61 located in rectangular hole 11, one end of limit block 61 is arranged with support shaft 62 and is rotatably connected, both ends of support shaft 62 pass through outer thread pipe body 5 and are fixedly connected, and the connection between the outer end surface of limit block 61 and lower plane is provided with inclined edge 63, and the upper surface of limit block 61 is connected with arc-shaped boss 64 matched with the inner surface of automobile sheet metal 2;When outer thread pipe body 5 moves downwards, after the inclined edge 63 of limit block 61 contacts with the inner wall of installation hole 3, limit block 61 is extruded to flip into the inner hole of outer thread pipe body 5, so that limit block 61 can pass through installation hole 3 on automobile sheet metal 2, and due to the existence of arc-shaped boss 64, flip limit block assembly 60 can better contact with the lower surface of automobile sheet metal 2, and the limiting effect is enhanced.

[0034] The elastic reset assembly 90 comprises a strip-shaped plate 91 and a triangular block 92 connected to the lower plane of the strip-shaped plate 91, two inclined surfaces of the triangular block 92 are respectively connected with reset springs 93, and two ends of the strip-shaped plate 91 are respectively connected with the top wall in the corresponding rectangular hole 11; when the two flip limiting block assemblies 60 are flipped towards each other, the reset springs 93 connected to the triangular block 92 are extruded, and under the elastic force of the reset springs 93, the two flip limiting block assemblies 60 are reversely flipped and abut against the lower surface of the automobile panel 2 after the two flip limiting block assemblies 60 pass through the mounting hole 3, so that the limiting purpose is achieved.

[0035] The support fixing plate 15 is further provided with a through hole 7, the through hole 7 of the support fixing plate 15 is sleeved on the outer circle of the outer threaded pipe body 5, and the two ends of the support fixing plate 15 are respectively connected with height adjusting support rod assemblies 80, and the upper end of the height adjusting support rod assembly 80 is in abutting connection with the automobile luggage rack body 1.

[0036] The upper end of the outer threaded pipe body 5 passes through the counterbore 4 and is screw-connected with a nut, and the outer threaded pipe body 5 is screw-connected with the nut above the support fixing plate 15.

[0037] The upper end of the outer threaded pipe body 5 is connected with a circular plug 12, the upper plane of the circular plug 12 is concentrically connected with a hexagonal boss 13, the outer diameter of the circular plug 12 is smaller than the bottom diameter of the thread on the outer threaded pipe body 5, and the outer threaded pipe body 5 is sleeved with a plastic pipe body 14 between the support fixing plate 15 and the nut; through the use of the circular plug 12, foreign matters are reduced to enter the inner cavity of the outer threaded pipe body 5, the outer threaded pipe body 5 is circumferentially limited by the open wrench clamped on the outer side of the hexagonal boss 13, the support fixing plate 15 is fixedly connected by rotating the nut, and the operation convenience is improved.

[0038] The implementation principle of the embodiment is that in use, the lower end of the externally-threaded pipe body 5 is placed in the mounting hole 3, the externally-threaded pipe body 5 is pressed to move downwards by a distance, the externally-threaded pipe body 5 is axially limited by the elastic axial limiting block mechanism, the elastic axial limiting block mechanism is in contact with the lower surface of the automobile sheet metal 2 to prevent the externally-threaded pipe body 5 from moving upwards, the purpose of limiting is achieved, the through hole 7 on the support fixing plate 15 is sleeved on the outer circle of the externally-threaded pipe body 5, the nut is screwed on the externally-threaded pipe body 5 to fix the support fixing plate 15, the height of the height-adjustable support rod assembly 80 is adjusted to make the upper end of the height-adjustable support rod assembly 80 abut against the automobile luggage rack body 1, the height-adjustable support rod assembly 80 supports the irregular lower surface of the automobile luggage rack body 1, the upper end of the externally-threaded pipe body 5 is inserted into the countersunk hole 4 on the automobile luggage rack body 1, and the nut is screwed on the upper end of the externally-threaded pipe body 5 to press and fix the automobile luggage rack body 1, that is, the probability of problems such as inclination and abnormal sound of the automobile luggage rack caused by size error of the automobile sheet metal 2 is reduced, and the assembly precision is improved.

[0039] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process transformation according to the content of the utility model specification or direct or indirect application in other related technical fields is also included in the patent protection range of the utility model.

Claims

1. A tolerance adjuster for compensating for tolerances in a car roof rack, comprising: a car roof rack body (1) and a car sheet metal (2), wherein the car sheet metal (2) is provided with mounting holes (3), and the car roof rack body (1) is provided with countersunk holes (4), characterized in that, An external threaded tube (5) is inserted into the mounting hole (3). The lower end of the external threaded tube (5) is connected to an elastic axial limiting block mechanism, which is suitable for preventing the external threaded tube (5) from moving upward. It also includes a support fixing plate (15), which has a through hole (7). The through hole (7) on the support fixing plate (15) is fitted onto the outer circle of the external threaded tube body (5). The two ends of the support fixing plate (15) are respectively connected to a height adjustment support rod assembly (80). The upper end of the height adjustment support rod assembly (80) is in contact with the car roof rack body (1). The upper end of the externally threaded tube (5) passes through the countersunk hole (4) and is screwed with a nut. The externally threaded tube (5) is screwed with a nut located above the support fixing plate (15).

2. The tolerance adjuster for automobile roof rack tolerance compensation according to claim 1, characterized in that, The lower outer circle of the external threaded tube (5) is symmetrically provided with two rectangular holes (11). The elastic axial limiting block mechanism includes a flip-type limiting block assembly (60) respectively disposed in the rectangular hole (11) and an elastic reset assembly (90) located between the flip-type limiting block assembly (60). After the external threaded tube (5) passes through the mounting hole (3), it moves downward and squeezes the flip-type limiting block assembly (60) to swing in opposite directions and enter the inner hole of the external threaded tube (5). The flip-type limiting block assembly (60) moves to the bottom of the automotive sheet metal (2). The elastic reset assembly (90) drives the flip-type limiting block assembly (60) to swing in opposite directions and contact the bottom wall inside the rectangular hole (11). The flip-type limiting block assembly (60) is in a horizontal state.

3. The tolerance adjuster for automobile roof rack tolerance compensation according to claim 2, characterized in that, The flip-type limiting block assembly (60) includes a limiting block (61) located in a rectangular hole (11). One end of the limiting block (61) is provided with a support shaft (62) and is rotatably connected. Both ends of the support shaft (62) pass through the external threaded tube body (5) and are fixedly connected. The connection between the outer end face of the limiting block (61) and the lower plane is provided with an inclined edge (63). The upper surface of the limiting block (61) is connected with an arc-shaped boss (64) that is adapted to the inner surface of the automotive sheet metal (2).

4. The tolerance adjuster for automobile roof rack tolerance compensation according to claim 2, characterized in that, The elastic reset assembly (90) includes a strip plate (91) and a triangular block (92) connected to its lower plane. The two inclined surfaces of the triangular block (92) are respectively connected to reset springs (93), and the two ends of the strip plate (91) are respectively connected to the top wall inside the corresponding rectangular hole (11).

5. The tolerance adjuster for automobile roof rack tolerance compensation according to claim 1, characterized in that, The height-adjustable support rod assembly (80) includes a threaded rod (81) and an internally threaded tube (82) that is helically connected to the upper end of the threaded rod (81). The lower end of the threaded rod (81) is connected to the support fixing plate (15). A plastic block (83) is connected to the upper end of the internally threaded tube (82). A hexagonal sleeve (84) is fitted onto the outer circle of the internally threaded tube (82).

6. The tolerance adjuster for automobile roof rack tolerance compensation according to claim 1, characterized in that, The upper end of the external threaded tube (5) is connected to a circular plug (12), and a hexagonal boss (13) is concentrically connected to the upper plane of the circular plug (12). The outer diameter of the circular plug (12) is smaller than the bottom diameter of the thread on the external threaded tube (5). A plastic tube (14) is sleeved on the external threaded tube (5) between the support fixing plate (15) and the nut.

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