Fixing buckle for hydraulic oil pipe of heavy vehicle

Abstract

The utility model provides a heavy vehicle hydraulic oil pipe fixing buckle. The heavy vehicle hydraulic oil pipe fixing buckle comprises a main body piece, a connecting piece, a mounting column and a limiting structure. Wherein the main body piece is provided with clamping pieces with different sizes, and the clamping pieces are suitable for clamping a hydraulic oil pipe; the connecting piece is connected with the main body piece; the mounting column is connected with the other end of the connecting piece, and elastic limiting teeth are arranged on the two sides respectively. The installation columns are suitable for being matched with the installation holes to fixedly install the main body piece. During use, a mounting hole is formed in a vehicle body structure; then the mounting column is mounted into the mounting hole, and the mounting column achieves anti-rotation fixation through cooperation of the elastic limiting teeth and the limiting structure; and after the hydraulic oil pipe is mounted in place, the hydraulic oil pipe is clamped into the clamping piece, so that the hydraulic oil pipe is limited and fixed. According to the fixing buckle, two or more hydraulic oil pipes with different pipe diameters can be fixed only through a single mounting hole, and damage to a vehicle body structure is reduced; and the buckle has an anti-rotation function and can prevent the hydraulic oil pipe from rotating, so that the stable operation of the hydraulic system is ensured.

Description

Technical Field

[0001] This utility model relates to the field of fixing buckle technology, specifically to a fixing buckle for hydraulic oil pipes of heavy vehicles. Background Technology

[0002] In the hydraulic systems of heavy-duty vehicles (such as construction machinery, trucks, and mining equipment), hydraulic hoses are key components for transmitting hydraulic oil, and their installation quality directly affects the reliability and safety of the system. Hydraulic hoses are typically made of rigid or flexible materials and must be securely fixed to the vehicle body or brackets during installation to prevent displacement, deformation, or damage due to vibration, pressure, or external impact. Existing heavy-duty vehicles usually have multiple hydraulic hoses, and due to improvements in installation technology, these hoses are generally arranged in parallel, but their diameters often differ.

[0003] Currently, the fixing of hydraulic hoses in heavy-duty vehicles mainly relies on clips. However, existing clips can generally only engage one hose at a time and are not rotation-resistant. This results in hoses installed using existing clips being unstable and prone to torsional displacement. Specifically, when using multiple clips to fix hydraulic hoses, multiple mounting holes need to be drilled in the vehicle body, leading to low installation efficiency and potentially negatively impacting the vehicle's structural integrity. Furthermore, existing clips lack anti-rotation capabilities. When multiple clips are used to fix multiple hydraulic hoses separately, rotational displacement is likely to occur, and the hoses can easily interfere with each other, making it difficult to maintain a fixed position and thus affecting the stable operation of the hydraulic system.

[0004] Therefore, how to design a fixing clip that does not require drilling multiple mounting holes on the vehicle body and is resistant to rotation is a technical problem that has not yet been solved in the existing technology. Utility Model Content

[0005] Therefore, the technical problem to be solved by this utility model is to overcome the technical defects of the existing buckle, which requires multiple mounting holes to be drilled on the vehicle body when fixing oil pipes, resulting in low installation efficiency and possible adverse effects on the vehicle body's rigidity. Furthermore, the existing buckle is not resistant to rotation, and multiple oil pipes are prone to mutual interference, affecting the stability of the hydraulic system. Thus, a fixing buckle that does not require multiple mounting holes to be drilled on the vehicle body and is resistant to rotation is provided.

[0006] Therefore, this utility model provides a hydraulic hose fixing clip for heavy vehicles, comprising:

[0007] The main body has at least two snap-fit ​​pieces of different sizes at one end, and the at least two snap-fit ​​pieces are adapted to elastically snap-fit ​​at least two adjacent hydraulic oil pipes of different sizes;

[0008] A connector, one end of which is fixedly connected to the other end of the main body;

[0009] The mounting column is integrally connected with the other end of the connecting piece, and at least one elastic limiting tooth is arranged on both sides of the mounting column; the mounting column is suitable for cooperating with an external mounting hole to fix and install the main body piece;

[0010] The limiting structure is fixedly connected with the connecting piece and is used for cooperating with the mounting column to prevent the main body piece from rotating and being fixed.

[0011] As a preferred scheme, the clamping piece comprises:

[0012] The fixed clamping groove is opened at one end and penetrates through both sides along the axis;

[0013] The fixed base is arranged in the fixed clamping groove, and the top has a first fixing surface;

[0014] The fixed blocking piece is two, can be elastically deformed, respectively integrated on the inner side wall of the fixed clamping groove opening, and extends downwardly and oppositely to the first fixing surface, and is provided with a second fixing surface; the first fixing surface and the second fixing surface are matched with the shape of the outer surface of the hydraulic oil pipe, and after the hydraulic oil pipe is clamped into the fixed clamping groove, is limited and fixed by the first fixing surface and the second fixing surface.

[0015] As a preferred scheme, the limiting structure comprises:

[0016] The limiting blocking piece is two, can be elastically deformed, respectively arranged on both sides of the connecting piece, and forms an included angle of 30°-60° with the connecting piece; the elastic limiting tooth is arranged on the same side as the limiting blocking piece; at least one reinforcing rib is arranged on the side of the limiting blocking piece facing the main body piece;

[0017] When the mounting column passes through the mounting hole, the elastic limiting tooth is unfolded after following the mounting column to pass through the mounting hole, so that the mounting column is fixedly installed at the position of the mounting hole; the limiting blocking piece elastically extrudes the sidewall around the outside of the mounting hole, the limiting blocking piece elastically pulls the mounting column outwardly, so that the elastic limiting tooth tightly extrudes the sidewall around the inside of the mounting hole, thereby realizing the anti-rotation fixing.

[0018] As a preferred scheme, three clamping pieces are arranged on the main body piece, and the size of the clamping piece on one side is greater than that of the other two clamping pieces.

[0019] As a preferred scheme, the fixed blocking piece on both sides of the clamping piece with a larger size is provided with a long opening in the middle, so that the fixed blocking piece is divided into two parts through the long opening.

[0020] The utility model also provides a heavy -duty vehicle hydraulic oil pipe fixed buckle, include:

[0021] The main body is provided with at least two different size clamping members at one end, and the at least two clamping members are suitable for elastically clamping at least two adjacent hydraulic oil pipes of different sizes;

[0022] The connecting member is fixedly arranged at one side of the main body;

[0023] The mounting column is integrally connected with the other end of the connecting member, and at least one elastic limiting tooth is arranged on both sides of the mounting column; the mounting column is suitable for cooperating with an external mounting hole to fix and install the main body;

[0024] The limiting structure is fixedly connected with the connecting member and cooperates with the mounting column to prevent the main body from rotating.

[0025] As a preferred solution, the clamping member comprises:

[0026] The fixed clamping groove is open at one end along the axis and penetrates both sides;

[0027] The fixed base is arranged in the fixed clamping groove, and the top has a first fixed surface;

[0028] The fixed stopper is two, can be elastically deformed, and is integrally formed on the inner side wall of the opening of the fixed clamping groove, and extends obliquely downward, and is provided with a second fixed surface opposite to the first fixed surface; the first fixed surface and the second fixed surface are matched with the shape of the outer surface of the hydraulic oil pipe, and after the hydraulic oil pipe is clamped into the fixed clamping groove, it is limited and fixed by the first fixed surface and the second fixed surface.

[0029] As a preferred solution, the limiting structure comprises:

[0030] The limiting stopper is two, can be elastically deformed, and is arranged on both sides of the connecting member, and forms an included angle of 30°-60° with the connecting member; the elastic limiting tooth is not arranged on the same side as the limiting stopper; at least one reinforcing rib is arranged on the side of the limiting stopper facing the main body;

[0031] When the mounting column passes through the mounting hole, the elastic limiting tooth expands after following the mounting column through the mounting hole, thereby fixing and installing the mounting column at the position of the mounting hole; the limiting stopper elastically extrudes the sidewall around the outside of the mounting hole, and the limiting stopper elastically pulls the mounting column outward, so that the elastic limiting tooth tightly extrudes the sidewall around the inside of the mounting hole, thereby achieving anti-rotation fixation.

[0032] As a preferred solution, the three clamping pieces are provided on the main body piece, and the size of the clamping piece close to the connecting piece is larger than that of the other two clamping pieces.

[0033] As a preferred solution, the fixing flaps on both sides of the clamping piece with larger size are provided with long openings in the middle part, and the fixing flaps are divided into two parts through the long openings.

[0034] The technical scheme provided by the utility model has the following advantages:

[0035] 1. The heavy vehicle hydraulic oil pipe fixing buckle of the utility model, including main body piece, connecting piece, installation column and limit structure, wherein the main body piece is provided with at least two clamping pieces of different sizes in one end, and the at least two clamping pieces are suitable for elastically clamping at least two hydraulic oil pipes of different sizes adjacently, the connecting piece is fixedly connected with the other end of the main body piece in one end, the installation column is integrally connected with the other end of the connecting piece, and at least one elastic limit tooth is arranged on both sides of the installation column respectively, the installation column is suitable for cooperating with the external installation hole to fix and install the main body piece, and the limit structure is fixedly connected with the connecting piece and is used for fixing the main body piece in a rotation-preventing mode in cooperation with the installation column.

[0036] When the heavy vehicle fixes the hydraulic oil pipes with different pipe diameters, the installation hole matched with the size of the installation column is formed on the vehicle body structure close to the fixing position first, then the installation column is installed into the installation hole, when the installation column passes through the installation hole, the elastic limit tooth is unfolded after passing through the installation hole along with the installation column, so that the installation column is fixedly installed at the installation hole position, the limit structure elastically extrudes the side wall around the outside of the installation hole, and the installation column is elastically pulled outward, so that the elastic limit tooth tightly extrudes the side wall around the inside of the installation hole, so that the rotation-preventing fixation is realized, after the installation column is installed in place, the hydraulic oil pipes with different pipe diameters are clamped into the clamping pieces of different sizes, so that the hydraulic oil pipes are fixed and limited.

[0037] 2. This utility model also provides a modified design for a heavy-duty vehicle hydraulic hose fixing clip, comprising a main body, a connecting member, a mounting post, and a limiting structure; wherein one end of the main body is provided with at least two snap-fit ​​members of different sizes, the at least two snap-fit ​​members being suitable for elastically snapping onto at least two adjacent hydraulic hoses of different sizes; one end of the connecting member is fixedly disposed on one side of the main body; the mounting post is integrally connected to the other end of the connecting member, and at least one elastic limiting tooth is provided on each side of the mounting post; the mounting post is suitable for engaging with an external mounting hole to fix the main body in place; the limiting structure is fixedly connected to the connecting member and is used to engage with the mounting post to fix the main body in a rotation-resistant manner.

[0038] In use, mounting holes are made in the vehicle body structure, and then the mounting post is installed into the mounting holes. When the mounting post passes through the mounting hole, it is fixed in place by the cooperation of elastic limiting teeth and limiting structure to prevent rotation. After the mounting post is installed in place, hydraulic oil pipes of different diameters are clamped into clamping parts of different sizes, thereby limiting and fixing the hydraulic oil pipes. The fixing buckle of this utility model can fix two or more hydraulic oil pipes of different diameters with only a single mounting hole, reducing damage to the vehicle body structure. In addition, the fixing buckle has an anti-rotation function, which can prevent the hydraulic oil pipes from rotating or displacing, thereby ensuring the stable and reliable operation of the hydraulic system. Attached Figure Description

[0039] To more clearly illustrate the technical solutions in the prior art or specific embodiments of this utility model, the accompanying drawings used in the description of the prior art or specific embodiments are briefly introduced below.

[0040] Figure 1 This is a schematic diagram of the overall structure of the hydraulic oil pipe fixing buckle for heavy vehicles according to this utility model.

[0041] Figure 2 yes Figure 1 Another stereoscopic view.

[0042] Figure 3 yes Figure 1 Another stereoscopic view.

[0043] Figure 4 This is a schematic diagram of the overall structure of the hydraulic hose fixing clip for another heavy vehicle.

[0044] Figure 5 yes Figure 4 Another stereoscopic view.

[0045] Reference numerals: 1. Main body component; 2. Snap-fit ​​component; 21. Fixing slot; 22. Fixing base; 23. First fixing surface; 24. Fixing baffle; 25. Second fixing surface; 26. Long strip opening; 3. Connecting component; 4. Limiting baffle; 41. Reinforcing rib; 42. Mounting column; 43. Elastic limiting tooth. DETAILED DESCRIPTION

[0046] For those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the embodiments obtained by those skilled in the art without creative labor should belong to the protection scope of the present application.

[0047] It should be noted that the terms "first", "second", and the like in the claims and the description of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device that includes a series of steps or units is not limited to only those steps or units clearly listed, but can also include other steps or units that are not clearly listed or inherent to the process, method, product or device.

[0048] In the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation. In addition, in addition to indicating the orientation or positional relationship, the above-mentioned terms can also be used to indicate other meanings, for example, the term "upper" can also be used to indicate a certain dependent relationship or connection relationship in some cases. For those skilled in the art, the specific meaning of these terms in the present application can be understood according to the specific situation. In addition, the meaning of the term "a plurality of" should be two and more than two. It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.

[0049] The present application will be described in detail below with reference to the drawings and in combination with the embodiments. Embodiment 1

[0050] The present embodiment provides a heavy vehicle hydraulic oil pipe fixing buckle, which comprises a buckle body and a buckle cover. Figures 1-3As shown, it comprises a main body 1, a connecting piece 3, a mounting column 42 and a limiting structure; wherein the main body 1 is provided with at least two different sizes of clamping pieces 2 at one end, and the at least two clamping pieces 2 are suitable for elastically clamping at least two adjacent hydraulic oil pipes of different sizes; one end of the connecting piece 3 is fixedly connected with the other end of the main body 1; the mounting column 42 is integrally connected with the other end of the connecting piece 3, and at least one elastic limiting tooth 43 is arranged on both sides of the mounting column 42; the mounting column 42 is suitable for cooperating with an external mounting hole to fix and install the main body 1; the limiting structure is fixedly connected with the connecting piece 3 and is used for cooperating with the mounting column 42 to prevent the main body 1 from rotating and being fixed.

[0051] When the heavy vehicle fixes the hydraulic oil pipes with different fixed pipe diameters, an installation hole matching the size of the mounting column 42 is first formed on the vehicle body structure close to the fixed position; then the mounting column 42 is installed into the installation hole, and when the mounting column 42 passes through the installation hole, the elastic limiting tooth 43 is unfolded after following the mounting column 42 to pass through the installation hole, so as to fix and install the mounting column 42 at the installation hole position; the limiting structure elastically extrudes the side wall around the outside of the installation hole, and elastically pulls the mounting column 42 outward, so that the elastic limiting tooth 43 tightly extrudes the side wall around the inside of the installation hole, thereby realizing the anti-rotation fixing; after the mounting column 42 is installed in place, the hydraulic oil pipes with different pipe diameters are clamped into the clamping pieces 2 with different sizes, so as to limit and fix the hydraulic oil pipes. Compared with the traditional buckle which needs to form multiple installation holes on the vehicle body structure, the fixing buckle of the embodiment can fix two or more hydraulic oil pipes with different pipe diameters by using a single installation hole, thereby reducing the damage to the vehicle body structure; in addition, the fixing buckle of the embodiment has the anti-rotation function, which can prevent the hydraulic oil pipes from rotating or displacing, thereby ensuring the stable and reliable operation of the hydraulic system.

[0052] The fixing buckle in the embodiment is made of polypropylene, high-density polyethylene, polyvinyl chloride and other materials with elasticity, certain rigidity and low price.

[0053] The clamping piece 2 comprises a fixed clamping groove 21, a fixed base 22 and a fixed flapper 24; wherein the fixed clamping groove 21 penetrates through both sides along the axis and is open at one end; the fixed base 22 is arranged in the fixed clamping groove 21 and has a first fixed surface 23 at the top; the fixed flapper 24 is two and is integrally formed on the inner side wall of the opening of the fixed clamping groove 21, extends obliquely downward, and is provided with a second fixed surface 25 opposite to the first fixed surface 23; the first fixed surface 23 and the second fixed surface 25 match the shape of the outer surface of the hydraulic oil pipe, and the hydraulic oil pipe is clamped into the fixed clamping groove 21 and is limited and fixed by the first fixed surface 23 and the second fixed surface 25.

[0054] The limiting structure comprises limiting baffle 4; the limiting baffle 4 is two, which are respectively arranged on the two sides of the connecting piece 3, and form an included angle of 30°-60° with the connecting piece 3; the elastic limiting tooth 43 is arranged on the side different from the limiting baffle 4; at least one reinforcing rib 41 is arranged on the side of the limiting baffle 4 facing the main body 1; when the mounting column 42 passes through the mounting hole, the elastic limiting tooth 43 is unfolded after following the mounting column 42 to pass through the mounting hole, so as to fix the mounting column 42 in the mounting hole position; the limiting baffle 4 elastically extrudes the sidewall around the outside of the mounting hole, the limiting baffle 4 elastically pulls the mounting column 42 outward, so that the elastic limiting tooth 43 tightly extrudes the sidewall around the inside of the mounting hole, so as to realize the anti-rotation fixation. The reinforcing rib 41 improves the strength of the limiting baffle 4, and ensures that the limiting baffle 4 will not be broken under stress.

[0055] The clamping piece 2 is arranged on the main body 1 in three, and the size of the clamping piece 2 on one side is larger than that of the other two clamping pieces 2. So that it can fix two or more hydraulic oil pipes with different diameters.

[0056] The fixing baffle 24 on the two sides of the clamping piece 2 with larger size is provided with a long opening 26 in the middle, which divides the fixing baffle 24 into two parts. The fixing baffle 24 on the clamping piece 2 with larger size has larger hardness, and is divided into two parts through the long opening 26, which can increase the elastic deformation capacity of the fixing baffle 24, so that it is easier to clamp the hydraulic oil pipe into the clamping piece 2.

[0057] The heavy vehicle hydraulic oil pipe fixing buckle in the embodiment is used as follows: when the heavy vehicle fixes the hydraulic oil pipes with different diameters, an installation hole with a size matching that of the mounting column 42 is first formed on the vehicle body structure close to the fixing position; then the mounting column 42 is installed into the installation hole, and when the mounting column 42 passes through the installation hole, the elastic limiting tooth 43 is unfolded after following the mounting column 42 to pass through the installation hole, so as to fix the mounting column 42 in the installation hole position; the limiting baffle 4 elastically extrudes the sidewall around the outside of the installation hole, the limiting baffle 4 elastically pulls the mounting column 42 outward, so that the elastic limiting tooth 43 tightly extrudes the sidewall around the inside of the installation hole, so as to realize the anti-rotation fixation; after the mounting column 42 is installed in place, the hydraulic oil pipes with different diameters are pressed downward from the fixing baffle 24 into the fixed clamping groove 21 and the first fixing surface 23, and are extruded by the second fixing surface 25, so as to be fixed between the first fixing surface 23 and the second fixing surface 25. Embodiment 2

[0058] The embodiment provides a heavy vehicle hydraulic oil pipe fixing buckle, which is used as follows: Figures 4-5As shown, it comprises a main body 1, a connecting piece 3, a mounting column 42 and a limiting structure; wherein the main body 1 is provided with at least two different sizes of clamping pieces 2 at one end, and the at least two clamping pieces 2 are suitable for elastically clamping at least two adjacent hydraulic oil pipes of different sizes; the connecting piece 3 is fixedly arranged at one side of the main body 1; the mounting column 42 is integrally connected with the other end of the connecting piece 3, and at least one elastic limiting tooth 43 is arranged on both sides of the mounting column 42; the mounting column 42 is suitable for cooperating with an external mounting hole to fix the main body 1; the limiting structure is fixedly connected with the connecting piece 3 and is used for cooperating with the mounting column 42 to prevent the main body 1 from rotating.

[0059] In use, a mounting hole is formed on the vehicle body structure; then the mounting column 42 is installed into the mounting hole, and when the mounting column 42 passes through the mounting hole, the elastic limiting tooth 43 and the limiting structure are used to prevent rotation; after the mounting column 42 is installed in place, the hydraulic oil pipes of different diameters are clamped into the clamping pieces 2 of different sizes, so as to limit and fix the hydraulic oil pipes. The fixing buckle of the embodiment can fix two or more hydraulic oil pipes of different diameters by using only a single mounting hole, thereby reducing the damage to the vehicle body structure; in addition, the fixing buckle has a rotation prevention function, which can prevent the hydraulic oil pipes from rotating or displacing, thereby ensuring the stable and reliable operation of the hydraulic system.

[0060] The fixing buckle in the embodiment is made of polypropylene, high-density polyethylene, polyvinyl chloride and other materials with elasticity, certain rigidity and low price.

[0061] The clamping piece 2 comprises a fixed clamping groove 21, a fixed base 22 and a fixed baffle 24; wherein the fixed clamping groove 21 penetrates through both sides along the axis and is open at one end; the fixed base 22 is arranged in the fixed clamping groove 21 and has a first fixed surface 23 at the top; the fixed baffle 24 is two and is integrally formed on the inner side wall of the opening of the fixed clamping groove 21, extends obliquely downward, and is provided with a second fixed surface 25 opposite to the first fixed surface 23; the first fixed surface 23 and the second fixed surface 25 are matched with the shape of the outer surface of the hydraulic oil pipe, and the hydraulic oil pipe is clamped into the fixed clamping groove 21 and is limited and fixed by the first fixed surface 23 and the second fixed surface 25.

[0062] The limiting structure comprises limiting baffle 4; the limiting baffle 4 is two, respectively arranged in the two sides of the connecting piece 3, and the angle between the connecting piece 3 is 30-60 °; The elastic limiting tooth 43 is arranged in the position and the limiting baffle 4 is not on the same side; The side of the limiting baffle 4 towards the main part 1 is provided with at least one reinforcing rib 41; When the mounting column 42 passes through the mounting hole, the elastic limiting tooth 43 follows the mounting column 42 and expands after passing through the mounting hole, so as to fix the mounting column 42 in the mounting hole position; The limiting baffle 4 elastically extrudes the sidewall around the outside of the mounting hole, the limiting baffle 4 elastically pulls the mounting column 42 outward, so that the elastic limiting tooth 43 tightly extrudes the sidewall around the inside of the mounting hole, so as to realize the anti-rotation fixing. The reinforcing rib 41 improves the strength of the limiting baffle 4, and ensures that the limiting baffle 4 will not be broken under stress.

[0063] The clamping piece 2 is provided with three on the main part 1, and the size of the clamping piece 2 on one side is larger than that of the other two clamping pieces 2. So that it can fix two or more hydraulic oil pipes with different diameters.

[0064] The fixing baffle 24 on both sides of the larger size clamping piece 2 is provided with a long opening 26 in the middle, which divides the fixing baffle 24 into two parts. The fixing baffle 24 on the larger size clamping piece 2 has larger hardness, which is divided into two parts through the long opening 26, which can increase the elastic deformation capacity of the fixing baffle 24, so that it is easier to clamp the hydraulic oil pipe into the clamping piece 2.

[0065] Obviously, the above embodiments are only examples for clearly illustrating, not limiting the embodiments. For ordinary skilled in the art, on the basis of the above description, other different forms of changes or variations can also be made. Here, all the embodiments need not and cannot be exhausted. The obvious changes or variations derived therefrom are still within the protection scope of the present technical scheme.

Claims

1. A heavy-duty vehicle hydraulic oil tube fixing clip, characterized by, The utility model relates to a hydraulic oil pipe fixing device, including: The main part (1) one end is provided with at least two different size clamping parts (2), and at least two clamping parts (2) are suitable for elastically clamping at least two adjacent hydraulic oil pipes of different sizes; The connecting piece (3) one end with the other end fixed connection of main part (1); Mounting column (42) with the other end integral connection of connecting piece (3), and at least one elastic limit tooth (43) is arranged in the both sides of mounting column (42) respectively, and the mounting column (42) is suitable for with external installation hole cooperation, with main part (1) fixed installation; Limit structure, with connecting piece (3) fixed connection, for with mounting column (42) cooperation main part (1) anti-rotation fixed.

2. The heavy-duty vehicle hydraulic oil tube securing clip of claim 1, wherein, The clamping part (2) includes: Fixed clamping groove (21) is opened along the axis and is opened in one end in both sides, Fixed base (22) is arranged in the fixed clamping groove (21), and the top has first fixed surface (23), Fixed baffle (24) is two, can elastically deform, respectively integral forming in the inner side wall of fixed clamping groove (21) opening, and obliquely downwardly extends, and with first fixed surface (23) opposite is provided with second fixed surface (25), first fixed surface (23) and second fixed surface (25) with the shape of the outer surface of the hydraulic oil pipe match, after the hydraulic oil pipe clamping enters the fixed clamping groove (21), by first fixed surface (23) and second fixed surface (25) limit fixed.

3. The heavy-duty vehicle hydraulic oil tube securing clip of claim 1, wherein, The limit structure includes: Limit baffle (4) is two, can elastically deform, respectively arranged in the both sides of connecting piece (3), and form the angle of 30 DEG-60 DEG between connecting piece (3), the elastic limit tooth (43) setting position with limit baffle (4) not in the same side, limit baffle (4) towards the one side of main part (1) is provided with at least one reinforcing rib (41), When the mounting column (42) passes through the installation hole, the elastic limit tooth (43) follows the mounting column (42) and is expanded after passing through the installation hole, so that the mounting column (42) is fixedly installed in the installation hole position, the limit baffle (4) elastically extrudes the sidewall around the outside of the installation hole, the limit baffle (4) elastically pulls the mounting column (42) outward, so that the elastic limit tooth (43) is tightly extruded the sidewall around the inside of the installation hole, so that anti-rotation is fixed.

4. The heavy-duty vehicle hydraulic oil tube securing clip of claim 2, wherein: The clamping part (2) is provided with three on the main part (1), and the size of the clamping part (2) on one side is greater than that of the other two clamping parts (2).

5. The heavy-duty vehicle hydraulic oil tube securing clip of claim 4, wherein: The fixed baffle (24) on the both sides of the larger size clamping part (2) is provided with a long opening (26) in the middle, and the fixed baffle (24) is divided into two parts through the long opening (26).

6. A heavy-duty vehicle hydraulic oil tube fixing clip characterized by, The utility model relates to a hydraulic oil pipe fixing device, including: The main part (1) one end is provided with at least two different size clamping parts (2), and at least two clamping parts (2) are suitable for elastically clamping at least two adjacent hydraulic oil pipes of different sizes; The connecting piece (3) is fixedly arranged at one side of the main body piece (1); The mounting column (42) is integrally connected with the other end of the connecting piece (3), and at least one elastic limiting tooth (43) is arranged on both sides of the mounting column (42); the mounting column (42) is suitable for cooperating with an external mounting hole to fix and install the main body piece (1); The limiting structure is fixedly connected with the connecting piece (3) and is used for cooperating with the mounting column (42) to prevent the main body piece (1) from rotating.

7. The heavy-duty vehicle hydraulic oil tube securing clip of claim 6, wherein, The clamping piece (2) comprises: The fixed clamping groove (21) penetrates through both sides along the axis and is open at one end; The fixed base (22) is arranged in the fixed clamping groove (21), and the top has a first fixing surface (23); The fixed blocking piece (24) is two and can be elastically deformed, is integrally formed on the inner side wall of the opening of the fixed clamping groove (21), extends obliquely downward, and is provided with a second fixing surface (25) opposite to the first fixing surface (23); the first fixing surface (23) and the second fixing surface (25) are matched with the shape of the outer surface of the hydraulic oil pipe, and after the hydraulic oil pipe is clamped into the fixed clamping groove (21), the first fixing surface (23) and the second fixing surface (25) limit and fix the hydraulic oil pipe.

8. The heavy-duty vehicle hydraulic oil tube securing clip of claim 6, wherein, The limiting structure comprises: The limiting blocking piece (4) is two and can be elastically deformed, is arranged on both sides of the connecting piece (3), and forms an included angle of 30°-60° with the connecting piece (3); the elastic limiting tooth (43) is arranged on the side different from the limiting blocking piece (4); at least one reinforcing rib (41) is arranged on the side of the limiting blocking piece (4) facing the main body piece (1); When the mounting column (42) passes through the mounting hole, the elastic limiting tooth (43) expands after following the mounting column (42) passing through the mounting hole, so as to fix and install the mounting column (42) at the position of the mounting hole; the limiting blocking piece (4) elastically extrudes the side wall around the outside of the mounting hole, the limiting blocking piece (4) elastically pulls the mounting column (42) outward, so that the elastic limiting tooth (43) tightly extrudes the side wall around the inside of the mounting hole, thereby realizing the anti-rotation fixing.

9. The heavy-duty vehicle hydraulic oil tube securing clip of claim 7, wherein: The clamping piece (2) is arranged on the main body piece (1) in three, and the size of the clamping piece (2) close to the connecting piece (3) is greater than that of the other two clamping pieces (2).

10. The heavy-duty vehicle hydraulic oil tube securing clip of claim 9, wherein: The fixed blocking piece (24) on both sides of the clamping piece (2) with a larger size is provided with a long opening (26) in the middle, and the fixed blocking piece (24) is divided into two parts through the long opening (26).

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