CN220446186U - Fixing tool for lower cross arm - Google Patents
Fixing tool for lower cross arm Download PDFInfo
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- CN220446186U CN220446186U CN202321966967.6U CN202321966967U CN220446186U CN 220446186 U CN220446186 U CN 220446186U CN 202321966967 U CN202321966967 U CN 202321966967U CN 220446186 U CN220446186 U CN 220446186U
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- lower cross
- cross arm
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- fixing tool
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- 238000000034 method Methods 0.000 claims abstract description 4
- 239000003381 stabilizer Substances 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000003780 insertion Methods 0.000 claims 2
- 230000037431 insertion Effects 0.000 claims 2
- 230000008569 process Effects 0.000 abstract description 2
- 239000006096 absorbing agent Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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Abstract
The utility model relates to a fixing tool for a lower cross arm, belonging to the technical field of tools, which comprises a base, wherein the middle part of the top surface of one end part of the base is provided with a vertical positioning column which can be coaxially inserted into a bearing hole in a supporting leg A3 or a supporting leg A4 of the lower cross arm in a matching way, a vertical plate is arranged in the middle of the top surface of the other end part of the base, two plate surfaces at the upper end part of the vertical plate are respectively provided with a horizontal diameter-expanding mandrel which can be matched with a bearing hole in a cylindrical end A1 of the lower cross arm coaxially inserted. According to the utility model, the tool is fixed on the ground or a workbench through the base, and the bearing holes in the support leg A3 or the support leg A4 of the lower cross arm are positioned through the vertical positioning column; the cylindrical end A1 of the lower cross arm is fixed through the horizontal diameter expansion mandrel and the diameter expansion structure, so that the function of fixing the lower cross arm and enabling the lower cross arm to be in a standing state is realized, and the lower cross tube is convenient to process.
Description
Technical Field
The utility model relates to the technical field of tools, in particular to a fixing tool for a lower cross arm.
Background
The automobile chassis is formed by a transmission system, a running system, a driving system and a driving system on an automobile the steering system and the braking system are combined, the automobile engine, all parts and assemblies thereof are supported and installed to form an integral model of the automobile, bear the power of the engine and ensure normal running.
The lower cross arm is used as one of key parts of the automobile chassis, has the important effects of supporting the automobile body in a matched manner with other parts, arranging and installing the shock absorber and the elastic tube, and forming a complete suspension system through the matching with the default of the shock absorber and the elastic tube to support weight and turn, and has the advantages of complex structure, very strict dimensional and form tolerance requirements and high processing difficulty. In the machining process of the lower transverse tube, the lower transverse tube is required to be polished, the lower transverse tube is of an irregular curved surface as shown in figures 1 and 2 of the specification, the lower transverse tube comprises a cylindrical end A1, a middle end A2, a support foot A3 and a support foot A4, bearing holes are formed in the cylindrical end A1, the support foot A3 and the support foot A4, the bearing holes of the support foot A3 and the support foot A4 are identical in size and coaxial, and the bearing holes of the cylindrical end A1 are perpendicular to the bearing Kong Yi faces of the support foot A3 and the support foot A4. There is currently no special fixture for the lower arm to stand up, for which, we have devised a lower cross arm fixing tool which can enable the lower cross arm to stand.
Disclosure of Invention
The utility model aims to solve the problems and provide a fixing tool for a lower cross arm.
The utility model realizes the above purpose through the following technical scheme:
the utility model provides a lower xarm is with fixed frock, includes the base, base one end top surface middle part is equipped with the vertical reference column that can match the bearing hole in the stabilizer blade A3 or the stabilizer blade A4 of coaxial inserting lower xarm, base other end top surface middle part is equipped with the riser, riser upper end both faces all are equipped with the horizontal expanding dabber that can match the bearing hole in the cylinder end A1 of coaxial inserting lower xarm, horizontal expanding dabber is equipped with the expanding structure that can make its outer tip expand to horizontal expanding dabber and bearing hole fixed connection in the cylinder end A1 of lower xarm.
Preferably, the inner cavity of the horizontal expanding mandrel is provided with a threaded part coaxial with the inner cavity, the outer end part of the inner cavity of the horizontal expanding mandrel is provided with a first conical surface part coaxially communicated with the threaded part, the outer end of the first conical surface part is a large-diameter end, and the outer end surface of the horizontal expanding mandrel is uniformly provided with a plurality of expanding grooves along the axial direction along the circumferential direction;
the expanding structure comprises a bolt which can be connected with the threaded part in a threaded mode, and a second conical surface part matched with the first conical surface part is arranged at one end part of the bolt screw close to the head part.
Preferably, the upper end of the vertical plate is provided with a connecting column which horizontally penetrates through the vertical plate, and two ends of the connecting column are coaxially provided with the horizontal diameter expansion mandrel.
Preferably, the connecting column axially slides along the connecting column to penetrate through the vertical plate, and the vertical plate is connected with a locking bolt which radially abuts against the connecting column in a threaded manner so as to fix the axial position of the connecting column.
Preferably, a locating ring is arranged on the shaft body at the inner end part of the horizontal expanding mandrel.
Preferably, the vertical positioning column structure is the same as the horizontal expanding mandrel structure, and the diameter of the vertical positioning column structure is matched with the diameter of a bearing hole in the support leg A3 or the support leg A4 of the lower cross arm.
Preferably, the base is I-shaped.
Preferably, the two ends of the base wing part are provided with adjusting support legs.
The beneficial effects are that:
1. the tool is fixed on the ground or a workbench through the base, the bearing holes in the supporting leg A3 or the supporting leg A4 of the lower cross arm are positioned through the vertical positioning column, at the moment, the supporting leg A3 or the supporting leg A4 of the lower cross arm has only upward movement freedom degree, and under the action of gravity, the supporting leg A3 or the supporting leg A4 of the lower cross arm cannot automatically move upward; the cylindrical end A1 of the lower cross arm is fixed through the horizontal diameter expansion mandrel and the diameter expansion structure, so that the function of fixing the lower cross arm and enabling the lower cross arm to be in a standing state is realized, and the lower cross tube is convenient to process.
Additional features and advantages of the utility model will be set forth in the description which follows, or may be learned by practice of the utility model.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the description serve to explain, without limitation, the utility model. In the drawings:
FIG. 1 is a schematic view of the structure of a lower cross arm;
FIG. 2 is another schematic view of the lower cross arm;
FIG. 3 is a schematic diagram of the structure of the present utility model;
FIG. 4 is a top view of the present utility model;
FIG. 5 is a cross-sectional view A-A of FIG. 4;
FIG. 6 is a B-B cross-sectional view of FIG. 4;
FIG. 7 is a schematic view of the structure of the present utility model in a use state;
fig. 8 is a schematic view of another use state of the present utility model.
The reference numerals are explained as follows:
1. a base; 11. adjusting the support legs; 2. a vertical positioning column; 3. a vertical plate; 4. a horizontal expanding mandrel; 41. a threaded portion; 42. a first conical surface portion; 43. an expanding groove; 5. an expanding structure; 51. a bolt; 52. a second conical surface portion; 6. a connecting column; 7. a locking bolt; 8. and a positioning ring.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "orientation" or "positional relationship" are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and to simplify the description, rather than to indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the utility model.
In the present utility model, unless specifically stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, for example, the two parts can be fixedly connected, detachably connected or integrated; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and for simplifying the description, and do not indicate or imply that the apparatus or elements to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal," "vertical," "overhang," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the present utility model, unless expressly stated or limited otherwise, a first feature may include first and second features directly contacting each other, either above or below a second feature, or through additional features contacting each other, rather than directly contacting each other. Moreover, the first feature being above, over, and on the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being below, beneath, and beneath the second feature includes the first feature being directly below and obliquely below the second feature, or simply indicates that the first feature is less level than the second feature.
3-8, a fixing tool for a lower cross arm comprises a base 1, wherein the base 1 is I-shaped according to requirements;
furthermore, two ends of the wing part of the base 1 are provided with adjusting support legs 11; so that the tool can be better adapted to the lower cross arm in fig. 2.
The middle part of the top surface of one end part of the base 1 is provided with a vertical positioning column 2 which can be matched with a bearing hole in a supporting leg A3 or a supporting leg A4 coaxially inserted into the lower cross arm, the middle part of the top surface of the other end part of the base 1 is provided with a vertical plate 3, two plate surfaces of the upper end part of the vertical plate 3 are respectively provided with a horizontal expanding mandrel 4 which can be matched with a bearing hole in a cylindrical end A1 coaxially inserted into the lower cross arm, and the horizontal expanding mandrel 4 is provided with an expanding structure 5 which can expand the outer end part of the horizontal expanding mandrel 4 so that the horizontal expanding mandrel 4 is fixedly connected with the bearing hole in the cylindrical end A1 of the lower cross arm;
the tool is fixed on the ground or a workbench through the base 1, the bearing holes in the support leg A3 or the support leg A4 of the lower cross arm are positioned through the vertical positioning column 2, at the moment, the support leg A3 or the support leg A4 of the lower cross arm has only upward movement freedom degree, and under the action of gravity, the support leg A3 or the support leg A4 of the lower cross arm cannot automatically move upward; the cylindrical end A1 of the lower cross arm is fixed through the horizontal diameter expansion mandrel 4 and the diameter expansion structure 5, so that the function of fixing the lower cross arm and enabling the lower cross arm to be in a standing state is realized.
Further, as shown in fig. 5, the inner cavity of the horizontal expanding mandrel 4 is provided with a threaded portion 41 coaxial with the inner cavity, the outer end of the inner cavity of the horizontal expanding mandrel 4 is provided with a first conical surface portion 42 coaxially communicated with the threaded portion 41, the outer end of the first conical surface portion 42 is a large-diameter end, and the outer end face of the horizontal expanding mandrel 4 is uniformly provided with a plurality of expanding grooves 43 along the axial direction along the circumferential direction;
the expanding structure 5 comprises a bolt 51 which can be screwed with the threaded part 41, and one end part of the bolt 51, close to the head part, is provided with a second conical surface part 52 matched with the first conical surface part 42;
the setting can be through rotating bolt 51 for bolt 51 moves towards horizontal expanding dabber 4 inner direction, and the second conical surface portion 52 extrudes first conical surface portion 42 this moment, makes horizontal expanding dabber 4 outer end portion expand the footpath, and then makes horizontal expanding dabber 4 outer end portion and the cylinder end A1 bearing hole pore wall of lower xarm tightly laminate together, has realized the function of fixed and the cylinder end A1 of location lower xarm.
In some embodiments, as shown in fig. 3-5, in order to reduce the cost, the upper end of the vertical plate 3 is provided with a connecting column 6 horizontally penetrating through the vertical plate, and two ends of the connecting column 6 are coaxially provided with a horizontal expanding mandrel 4; the length of the horizontal expanding mandrel 4 with higher price can be reduced by the arrangement, and the position of the horizontal expanding mandrel 4 is fixed through the connecting column 6 with lower price, so that the function of reducing the manufacturing cost is realized;
further, as shown in fig. 3-5, in order to reduce the length of the connecting column 6, the connecting column 6 axially slides along the connecting column to penetrate through the vertical plate 3, the vertical plate 3 is screwed with a radial abutting connecting column 6 so that the connecting column 6 can be axially fixed with a locking bolt 7, and the connecting column 6 can be moved, so that the horizontal expanding mandrel 4 is moved to be correspondingly connected with a bearing hole in the cylindrical end A1 of the lower cross arm, and at the moment, the other horizontal expanding mandrel 4 is smaller than the vertical plate 3, so that the overall width dimension of the vertical plate 3 and the horizontal expanding mandrel 4 is reduced, and the operation space of processing equipment or processing personnel is increased.
In some embodiments, as shown in fig. 3-5, in order to prevent the horizontal expanding mandrel 4 from passing through or being inserted into the cylindrical end A1 of the lower cross arm, the bearing hole is not in place, so that the cylindrical end A1 of the lower cross arm is unstable to be fixed, and a positioning ring 8 is arranged on the shaft body at the inner end part of the horizontal expanding mandrel 4;
the positioning ring 8 can be a clamp spring according to the requirement, and an annular clamping groove matched with the clamp spring is formed in the shaft body at the inner end part of the horizontal expanding mandrel 4 at the moment.
In some embodiments, as shown in fig. 6, the vertical positioning column 2 has the same structure as the horizontal expanding mandrel 4, and the diameter is matched with the diameter of the bearing hole in the support leg A3 or the support leg A4 of the lower cross arm;
in the concrete installation, the upper end of vertical reference column 2 is equipped with the hole enlargement structure 5.
This arrangement allows a firm fixation of the leg A3 or the leg A4 of the lower cross arm.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and their equivalents.
Claims (8)
1. A fixing tool for a lower cross arm, the method is characterized in that: including base (1), base (1) one end top surface middle part is equipped with can match vertical reference column (2) of bearing hole in the stabilizer blade A3 or the stabilizer blade A4 of coaxial insertion lower xarm, base (1) other end top surface middle part is equipped with riser (3), riser (3) upper end both faces all are equipped with horizontal expanding dabber (4) that can match the bearing hole in the cylinder end A1 of coaxial insertion lower xarm, horizontal expanding dabber (4) are equipped with and can make its outer tip expanded diameter to horizontal expanding dabber (4) and the expanding structure (5) of bearing hole fixed connection in the cylinder end A1 of lower xarm.
2. The fixing tool for the lower cross arm according to claim 1, wherein: the inner cavity of the horizontal diameter-expanding mandrel (4) is provided with a threaded part (41) coaxial with the inner cavity, the outer end part of the inner cavity of the horizontal diameter-expanding mandrel (4) is provided with a first conical surface part (42) coaxially communicated with the threaded part (41), the outer end of the first conical surface part (42) is a large-diameter end, and the outer end surface of the horizontal diameter-expanding mandrel (4) is uniformly provided with a plurality of diameter-expanding grooves (43) along the axial direction along the circumferential direction;
the diameter-expanding structure (5) comprises a bolt (51) which can be connected with the threaded part (41) in a threaded mode, and a second conical surface part (52) matched with the first conical surface part (42) is arranged at one end part, close to the head, of a screw rod of the bolt (51).
3. The fixing tool for the lower cross arm according to claim 1, wherein: the upper end part of the vertical plate (3) is provided with a connecting column (6) horizontally penetrating through the vertical plate, and two ends of the connecting column (6) are coaxially provided with the horizontal diameter expansion mandrel (4).
4. A lower arm fixing tool according to claim 3, wherein: the connecting column (6) axially slides along the connecting column to penetrate through the vertical plate (3), and the vertical plate (3) is connected with the radial abutting connecting column (6) in a threaded manner so as to facilitate the locking bolt (7) with the fixed axial position of the connecting column (6).
5. The fixing tool for the lower cross arm according to claim 1, wherein: the shaft body at the inner end part of the horizontal expanding mandrel (4) is provided with a positioning ring (8).
6. A fixing tool for a lower cross arm according to any one of claims 1-4, the method is characterized in that: the structure of the vertical positioning column (2) is the same as that of the horizontal expanding mandrel (4), and the diameter of the vertical positioning column is matched with the diameter of the bearing hole in the support leg A3 or the support leg A4 of the lower cross arm.
7. The fixing tool for the lower cross arm according to claim 1, wherein: the base (1) is I-shaped.
8. The fixing tool for the lower cross arm according to claim 7, wherein: the two ends of the wing part of the base (1) are provided with adjusting support legs (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321966967.6U CN220446186U (en) | 2023-07-25 | 2023-07-25 | Fixing tool for lower cross arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321966967.6U CN220446186U (en) | 2023-07-25 | 2023-07-25 | Fixing tool for lower cross arm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220446186U true CN220446186U (en) | 2024-02-06 |
Family
ID=89734809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321966967.6U Active CN220446186U (en) | 2023-07-25 | 2023-07-25 | Fixing tool for lower cross arm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220446186U (en) |
-
2023
- 2023-07-25 CN CN202321966967.6U patent/CN220446186U/en active Active
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