U-shaped bolt assembly for automobile assembly line

Abstract

The utility model belongs to the technical field of automobile assembly lines, and particularly relates to a U-shaped bolt assembly for an automobile assembly line, which comprises a U-shaped rod, two threaded rods, a fixed seat and two nuts, and further comprises a sliding groove, the sliding groove is formed in the fixed seat, a gear is rotatably mounted in the sliding groove, and racks are mounted on two sides of the gear in a meshed manner; the two sliding blocks are fixedly installed on the two racks correspondingly, the upper ends of the two sliding blocks penetrate through the sliding groove, clamping blocks are fixedly installed at the top ends of the two sliding blocks, the two threaded rods are slidably installed in the fixing base, and the U-shaped rod is fixedly installed at the top ends of the two threaded rods. The two nuts are installed on the two threaded rods in a threaded mode correspondingly. And the limiting assembly is located in the fixing base and used for limiting rotation of the gear, the whole device can fix tubular objects of different sizes, and the positions of the two clamping blocks do not shift in the using process.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of automobile assembly line, especially relates to a U type bolt subassembly for automobile assembly line. BACKGROUND

[0002] The U type bolt subassembly for automobile assembly line is a U-shaped fastening part, both ends are provided with threads, is used with nuts and gaskets, and is mainly used for connecting chassis suspension systems, vehicle frames and vehicle bridges, exhaust pipes and other components.

[0003] For example, the Chinese patent with the announcement number CN220726774U discloses a U type bolt subassembly, relates to the technical field of fasteners, and comprises a U type screw rod and a backing plate. The V-shaped groove is provided to enable the compression block to fix tubular objects with different diameters. The compression block is rotatably connected to the backing plate through the pivot, can fix tubular objects with different angle relationships, enhances the fixing effect, and enhances the strength of the backing plate. The fixed lug is flush with the end face of the compression block, so that the compression block and the backing plate can fix a plane, have a wide range of applications, have good workpiece fixing effect, and have strong practicability.

[0004] The above patent has the following problems:

[0005] The V-shaped groove of the above device has a fixed shape and cannot fix tubular objects with different diameters. If the diameter of the tubular object is smaller than the design value, the contact point moves from the bottom of the V-shaped groove, the contact area decreases, and the clamping stability decreases. If the diameter is greater than the design value, the tubular object cannot be embedded in the bottom of the V-shaped groove, only the edge is in contact, local stress is concentrated, the surface of the steel pipe may be pressed, or the clamp may be deformed. Therefore, the utility model provides a U type bolt subassembly for automobile assembly line. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a U type bolt subassembly for automobile assembly line to solve the problems in the background art.

[0007] Therefore, the utility model provides a U type bolt subassembly for automobile assembly line.

[0008] A sliding groove is arranged in the fixing base, a gear is rotatably arranged in the sliding groove, and the gear is meshingly arranged with two racks on both sides.

[0009] Two sliding blocks are fixedly arranged on the two racks respectively, the upper ends of the two sliding blocks are penetrated through the sliding groove, the top ends of the two sliding blocks are fixedly arranged with clamping blocks, two threaded rods are slidingly arranged in the fixing base, the U-shaped rod is fixedly arranged on the top ends of the two threaded rods, and two nuts are threadedly arranged on the two threaded rods respectively.

[0010] A limiting assembly is arranged in the fixing base and used for limiting the rotation of the gear.

[0011] In the technical scheme, when the exhaust pipe needs to be fixed, firstly, the U-shaped rod and the two threaded rods are placed on the exhaust pipe, then the fixing base is inserted on the two threaded rods, the two gaskets are arranged on the two threaded rods respectively, the two nuts are threadedly arranged on the two threaded rods respectively, the two nuts are rotated by the worker using a wrench, when the U-shaped rod and the two clamping blocks are in contact with the exhaust pipe, the rotation of the two nuts is stopped, and the position of the exhaust pipe can be limited.

[0012] When a tubular object with a diameter different from that of the exhaust pipe, such as a vehicle frame, needs to be fixed, the limiting assembly is arranged to drive the gear to rotate forward, the gear drives the two racks meshing therewith to slide and approach each other, the two racks drive the two sliding blocks to slide and approach each other respectively, the two sliding blocks drive the two clamping blocks to slide and approach each other respectively, the smaller the distance between the two clamping blocks, the smaller the diameter of the tubular object that can be fixed, when the positions of the two clamping blocks are moved to appropriate positions, the limiting assembly is arranged to fix the position of the gear, so that the positions of the two clamping blocks do not shift during use, and the overall device is stable during use.

[0013] In the above technical scheme, further, the limiting assembly comprises:

[0014] A disc is fixedly arranged at the bottom end of the gear, a plurality of grooves are arranged on the circumferential side wall of the disc, a limiting column is slidingly arranged in the sliding groove and on one side of the disc, one end of the limiting column extends into the corresponding groove and is insertedly matched with the corresponding groove, the other end of the limiting column is fixedly arranged with a fixing strip, one side of the fixing strip is fixedly arranged with a fixing column, and the fixing column is sleeved with a spring.

[0015] When the pipe-shaped object with different diameter from the exhaust pipe, such as the frame, needs to be fixed, the fixing strip is pulled to slide towards the spring, the fixing strip drives the limiting column and the fixing column to slide, and the spring is extruded and shrunk, when the one end of the limiting column is separated from the corresponding groove, the disc is rotated forward, the disc drives the gear to rotate forward, the gear drives the two racks meshed with the gear to slide and approach each other, the two racks drive the two sliding blocks to slide and approach each other, and the two sliding blocks drive the two clamping blocks to slide and approach each other, the smaller the distance between the two clamping blocks, the smaller the pipe-shaped object that can be fixed, when the positions of the two clamping blocks are moved to the appropriate positions, the fixing strip is loosened, under the action of the spring rebound force, the fixing strip, the limiting column and the fixing column slide away from the spring, finally, the limiting column is inserted into the corresponding groove, the position of the disc and the gear can be fixed, the positions of the two clamping blocks are ensured not to be displaced during use, and the stability of the whole device during use is ensured.

[0016] In the above technical scheme, further, the grooves are equidistantly distributed in a ring shape on the disc.

[0017] In the above technical scheme, further, the grooves are equidistantly distributed in a ring shape on the disc.

[0018] In the above technical scheme, further, the grooves are equidistantly distributed in a ring shape on the disc.

[0019] In the above technical scheme, further, the grooves are equidistantly distributed in a ring shape on the disc.

[0020] In the above technical scheme, further, the grooves are equidistantly distributed in a ring shape on the disc.

[0021] In the above technical scheme, further, the grooves are equidistantly distributed in a ring shape on the disc.

[0022] In the above technical scheme, further, the grooves are equidistantly distributed in a ring shape on the disc.

[0023] In the above technical scheme, further, the grooves are equidistantly distributed in a ring shape on the disc.

[0024] In the above technical scheme, further, the grooves are equidistantly distributed in a ring shape on the disc.

[0025] In the above technical scheme, further, the grooves are equidistantly distributed in a ring shape on the disc.

[0026] The beneficial effects of the present application are:

[0027] The U-shaped bolt assembly for the automobile assembly line, when needing to fix the tubular object with different diameters of exhaust pipes, such as a frame, through the limiting assembly, the gear can be driven to rotate forward, the two racks meshed with the gear are driven to slide and approach each other, the two sliding blocks are driven to slide and approach each other, and the two clamping blocks are driven to slide and approach each other, the smaller the distance between the two clamping blocks, the smaller the tubular object that can be fixed, when the positions of the two clamping blocks are moved to the appropriate positions, through the limiting assembly, the position of the gear can be fixed, the positions of the two clamping blocks are ensured not to be displaced during use, the overall device is ensured to be stable during use, and the overall device can fix tubular objects with different sizes. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 is the overall structure schematic view of the utility model;

[0029] Figure 2 is the fixed seat sectional structure schematic view one of the utility model;

[0030] Figure 3 is the fixed seat sectional structure schematic view two of the utility model; Figure 2 is the structure schematic view of the enlarged A in the middle;

[0031] Figure 4 is the fixed seat sectional structure schematic view one of the utility model;

[0032] Figure 5 is the disc area structure schematic view of the utility model;

[0033] Figure 6 is the limiting column area structure schematic view of the utility model.

[0034] The marks in the drawing are:

[0035] 1, U-shaped rod; 2, threaded rod; 3, fixed seat; 4, nut; 5, gasket; 6, sliding groove; 7, sliding block; 8, clamping block; 9, gear; 10, rack; 11, disc; 12, groove; 13, limiting column; 14, fixed strip; 15, fixed column; 16, spring; 17, handle. DETAILED DESCRIPTION

[0036] The technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art belong to the scope of protection of the present application.

[0037] In the description of the present application, it should be noted that the terms used herein are merely for the purpose of describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. For the purpose of description, the sizes of the respective portions shown in the drawings are not drawn in accordance with the actual proportional relationship. The techniques, methods, and devices known to those of ordinary skill in the relevant art can not be discussed in detail, but should be considered as part of the authorized description. In all examples shown and discussed herein, any specific value should be interpreted as merely exemplary and not as a limitation. Therefore, other examples of exemplary embodiments can have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, and therefore, once an item is defined in one drawing, it need not be further discussed in subsequent drawings.

[0038] It should be noted that the terms "first", "second", and the like in the description and claims of the present application are used to distinguish similar objects, and are not used to describe a particular order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than that illustrated or described herein, and the objects distinguished by "first", "second", etc. are generally a class, not limited to the number of objects, for example, the first object can be one or more. In addition, "and / or" in the specification and claims indicates at least one of the connected objects, and the character " / ", generally indicates that the associated objects before and after are in an "or" relationship.

[0039] It should be noted that in the description of the present application, the orientation or position relationship indicated by the terms such as "front, rear, upper, lower, left, right", "horizontal, vertical, perpendicular, horizontal" and "top, bottom" is generally based on the orientation or position relationship shown in the drawings, and is only for the purpose of facilitating the description of the present application and simplifying the description. Without the opposite indication, these orientation terms do not indicate and imply that the indicated device or element must have a specific orientation or be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the scope of protection of the present application; the orientation terms "inner, outer" refer to the inner and outer relative to the contour of each component.

[0040] It should be noted that, in the present application, the terms "comprising", "containing" or any other variant thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements, but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the statement "comprising a" does not exclude the presence of additional identical elements in the process, method, article, or apparatus that includes the element. In addition, it should be noted that the scope of the methods and apparatus in the embodiments of the present application is not limited to performing functions in the order shown or discussed, but can also include performing functions in a substantially simultaneous manner or in reverse order, for example, the described method can be performed in an order different from that described, and various steps can be added, omitted, or combined. In addition, features described with reference to certain examples can be combined in other examples. Embodiment

[0041] Please refer to Figure 1 - Figure 6 As shown in the drawings, the embodiment provides a U-shaped bolt assembly for an automobile assembly line, which comprises a U-shaped rod 1, two threaded rods 2, a fixing base 3, two nuts 4, and the following components:

[0042] A sliding groove 6 is arranged in the fixing base 3, and a gear 9 is rotatably arranged in the sliding groove 6. The gear 9 is meshingly arranged with two racks 10 on both sides.

[0043] Two sliding blocks 7 are fixedly arranged on the two racks 10 respectively. The upper ends of the two sliding blocks 7 penetrate the sliding groove 6, and the top ends of the two sliding blocks 7 are fixedly arranged with clamping blocks 8. The two threaded rods 2 are slidingly arranged in the fixing base 3. The U-shaped rod 1 is fixedly arranged at the top ends of the two threaded rods 2. The two nuts 4 are threadedly arranged on the two threaded rods 2 respectively.

[0044] A limiting assembly is arranged in the fixing base 3 and is used for limiting the rotation of the gear 9.

[0045] When it is needed to fix the exhaust pipe, first, the U-shaped rod 1 and the two threaded rods 2 are placed on the exhaust pipe. Then, the fixing base 3 is inserted on the two threaded rods 2. Next, the two gaskets 5 are arranged on the two threaded rods 2 respectively. Then, the two nuts 4 are threadedly arranged on the two threaded rods 2 respectively. Then, the worker rotates the two nuts 4 by using a wrench. When the U-shaped rod 1 and the two clamping blocks 8 are in contact with the exhaust pipe, the rotation of the two nuts 4 is stopped, and the position of the exhaust pipe can be limited.

[0046] When it is necessary to fix a tubular object such as a vehicle frame with a diameter different from that of the exhaust pipe, the gear 9 is driven to rotate forward by the limiting assembly, the two racks 10 meshing with the gear 9 are driven to slide and approach each other, the two sliding blocks 7 are driven to slide and approach each other by the two racks 10, the two clamping blocks 8 are driven to slide and approach each other by the two sliding blocks 7, and the smaller the distance between the two clamping blocks 8, the smaller the diameter of the tubular object that can be fixed. When the positions of the two clamping blocks 8 are moved to appropriate positions, the position of the gear 9 is fixed by the limiting assembly, so that the positions of the two clamping blocks 8 do not displace during use, and the overall device is stable during use.

[0047] In this embodiment, the limiting assembly comprises:

[0048] The disc 11 is fixedly installed at the bottom end of the gear 9, a plurality of grooves 12 are formed in the circumferential sidewall of the disc 11, the limiting column 13 is slidingly installed in the sliding groove 6 and at one side of the disc 11, one end of the limiting column 13 extends into the corresponding groove 12 and is insertedly matched with the corresponding groove 12, the other end of the limiting column 13 is fixedly installed with the fixed strip 14, one side of the fixed strip 14 is fixedly installed with the fixed column 15, and the spring 16 is sleeved on the fixed column 15;

[0049] When it is necessary to fix a tubular object such as a vehicle frame with a diameter different from that of the exhaust pipe, the fixed strip 14 is first pulled to slide toward the spring 16, the fixed strip 14 drives the limiting column 13 and the fixed column 15 to slide, and the spring 16 is extruded and contracted, the disc 11 is rotated forward after one end of the limiting column 13 is separated from the corresponding groove 12, the disc 11 drives the gear 9 to rotate forward, the gear 9 drives the two racks 10 meshing with the gear 9 to slide and approach each other, the two racks 10 drive the two sliding blocks 7 to slide and approach each other, the two sliding blocks 7 drive the two clamping blocks 8 to slide and approach each other, and the smaller the distance between the two clamping blocks 8, the smaller the diameter of the tubular object that can be fixed. When the positions of the two clamping blocks 8 are moved to appropriate positions, the fixed strip 14 is loosened, the fixed strip 14, the limiting column 13 and the fixed column 15 slide away from the spring 16 under the rebounding force of the spring 16, and finally the limiting column 13 is inserted into the corresponding groove 12 to fix the positions of the disc 11 and the gear 9, so that the positions of the two clamping blocks 8 do not displace during use, and the overall device is stable during use. Embodiment

[0050] The U-shaped bolt assembly for an automobile assembly line provided in this embodiment has the following technical features in addition to the technical solutions of the above embodiments.

[0051] In this embodiment, the plurality of grooves 12 are annularly and equidistantly distributed on the disc 11.

[0052] Wherein, ensure that the disc 11 can be fixed in any position. EMBODIMENT

[0053] The embodiment provides a U-shaped bolt assembly for an automobile assembly line, and in addition to the technical scheme of the above embodiment, has the following technical features.

[0054] In the embodiment, the two ends of the spring 16 are welded with the inner wall of the sliding groove 6 and the fixed strip 14 respectively.

[0055] Wherein, ensure that the spring 16 is stable in use. EMBODIMENT

[0056] The embodiment provides a U-shaped bolt assembly for an automobile assembly line, and in addition to the technical scheme of the above embodiment, has the following technical features.

[0057] In the embodiment, the fixed strip 14, the fixed column 15, the two racks 10 and the two sliding blocks 7 are all in sliding connection with the sliding groove 6, and the disc 11 is in rotary connection with the sliding groove 6.

[0058] Wherein, ensure that the fixed strip 14, the fixed column 15, the two racks 10 and the two sliding blocks 7 can all slide in the sliding groove 6, and ensure that the disc 11 can rotate in the sliding groove 6. EMBODIMENT

[0059] The embodiment provides a U-shaped bolt assembly for an automobile assembly line, and in addition to the technical scheme of the above embodiment, has the following technical features.

[0060] In the embodiment, the two threaded rods 2 are all sleeved with the gaskets 5, and the two sides of the two gaskets 5 are in close contact with the fixed seat 3 and the two nuts 4 respectively.

[0061] Wherein, the threaded rod 2 cannot rotate by itself through the gasket 5. EMBODIMENT

[0062] The embodiment provides a U-shaped bolt assembly for an automobile assembly line, and in addition to the technical scheme of the above embodiment, has the following technical features.

[0063] In the embodiment, the bottom end of the disc 11 extends to the outside through the sliding groove 6 and is fixedly installed with the handle 17.

[0064] Wherein, the handle 17 is convenient for workers to rotate the disc 11.

[0065] Working principle: when the exhaust pipe needs to be fixed, first put the U-shaped rod 1 and two threaded rods 2 on the exhaust pipe, then insert the fixing seat 3 into the two threaded rods 2, then put two gaskets 5 on the two threaded rods 2 respectively, then threadedly install two nuts 4 on the two threaded rods 2 respectively, then the worker uses a wrench to rotate the two nuts 4, when the U-shaped rod 1 and the two clamping blocks 8 are in contact with the exhaust pipe, stop rotating the two nuts 4, and the position of the exhaust pipe can be limited;

[0066] When a tubular object with a diameter different from the exhaust pipe, such as a vehicle frame, needs to be fixed, first pull the fixing strip 14 to slide in the direction of the spring 16, the fixing strip 14 drives the limiting column 13 and the fixing column 15 to slide, and at the same time the spring 16 is extruded and shrinks, when one end of the limiting column 13 is disengaged from the corresponding groove 12, the handle 17 is turned forward and drives the disc 11 to rotate forward, the disc 11 drives the gear 9 to rotate forward, the gear 9 drives the two racks 10 meshed with it to slide and approach each other, the two racks 10 drive the two sliding blocks 7 to slide and approach each other respectively, the two sliding blocks 7 drive the two clamping blocks 8 to slide and approach each other respectively, the smaller the distance between the two clamping blocks 8, the smaller the diameter of the tubular object that can be fixed, when the positions of the two clamping blocks 8 are moved to the appropriate positions, loosen the fixing strip 14, under the action of the rebound force of the spring 16, the fixing strip 14, the limiting column 13 and the fixing column 15 slide away from the spring 16, finally the limiting column 13 is inserted into the corresponding groove 12, the positions of the disc 11 and the gear 9 can be fixed, ensuring that the positions of the two clamping blocks 8 do not shift during use, ensuring that the overall device is stable during use.

[0067] The embodiments of the present application are described above in combination with the drawings, the embodiments in the present application and the features in the embodiments can be combined with each other without conflict, the present application is not limited to the above specific embodiments, the above specific embodiments are only illustrative, not restrictive, those skilled in the art can make many forms under the inspiration of the present application without departing from the scope of the present application and the protection scope of the claims, all of which belong to the protection of the present application.

Claims

1. A U-bolt assembly for an automotive assembly line, comprising a U-shaped bar (1), two threaded rods (2), a fixing base (3) and two nuts (4), characterized in that, Also includes: The sliding groove (6) is opened in the fixed base (3), the gear (9) is rotatably installed in the sliding groove (6), and the two sides of the gear (9) are engaged with the rack (10); Two sliding blocks (7) are fixedly installed on two racks (10), the upper ends of two sliding blocks (7) penetrate the sliding groove (6), and the top ends of two sliding blocks (7) are fixedly installed with clamping blocks (8), two threaded rods (2) are slidingly installed in the fixed base (3), the U-shaped rod (1) is fixedly installed at the top of two threaded rods (2), and two nuts (4) are threadedly installed on two threaded rods (2); The limiting assembly is located in the fixed base (3) and is used for limiting the rotation of the gear (9).

2. A U-bolt assembly for an automotive assembly line as defined in claim 1, wherein The limiting assembly comprises: The disc (11) is fixedly installed at the bottom of the gear (9), a plurality of grooves (12) are formed in the circumferential side wall of the disc (11), a limiting column (13) is slidingly installed in the sliding groove (6) and located on one side of the disc (11), one end of the limiting column (13) extends into the corresponding groove (12), and the limiting column (13) and the corresponding groove (12) are inserted and matched, the other end of the limiting column (13) is fixedly installed with a fixed strip (14), one side of the fixed strip (14) is fixedly installed with a fixed column (15), and the fixed column (15) is sleeved with a spring (16).

3. A U-bolt assembly for an automotive assembly line as defined in claim 2, wherein A plurality of grooves (12) are annularly and equidistantly distributed on the disc (11).

4. A U-bolt assembly for an automotive assembly line as defined in claim 2, wherein The two ends of the spring (16) are respectively welded with the inner wall of the sliding groove (6) and the fixed strip (14).

5. A U-bolt assembly for an automotive assembly line as defined in claim 2, wherein The fixed strip (14), the fixed column (15), the two racks (10) and the two sliding blocks (7) are slidingly connected with the sliding groove (6), and the disc (11) is rotatably connected with the sliding groove (6).

6. A U-bolt assembly for an automotive assembly line as defined in claim 1, wherein The two threaded rods (2) are sleeved with gaskets (5), and the two sides of the two gaskets (5) are in close contact with the fixed base (3) and the two nuts (4).

7. A U-bolt assembly for an automotive assembly line as defined in claim 2, wherein The bottom end of the disc (11) penetrates the sliding groove (6), extends to the outside and is fixedly installed with a handle (17).

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