CN219649133U - Device for press-fitting integrated brake parking pull rod - Google Patents
Device for press-fitting integrated brake parking pull rod Download PDFInfo
- Publication number
- CN219649133U CN219649133U CN202223306417.XU CN202223306417U CN219649133U CN 219649133 U CN219649133 U CN 219649133U CN 202223306417 U CN202223306417 U CN 202223306417U CN 219649133 U CN219649133 U CN 219649133U
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- pressing block
- screw rod
- press
- rod assembly
- thrust bearing
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- 238000000034 method Methods 0.000 abstract description 8
- 238000006748 scratching Methods 0.000 abstract description 2
- 230000002393 scratching effect Effects 0.000 abstract description 2
- 238000005457 optimization Methods 0.000 description 9
- 230000002035 prolonged effect Effects 0.000 description 5
- 241000251468 Actinopterygii Species 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a device for pressing and assembling an integrated brake parking pull rod, which comprises: the device comprises a frame body, a screw rod assembly, a pressing block, a step bolt and a plane thrust bearing, wherein a positioning pin seat is arranged on the frame body, the screw rod assembly is arranged on the frame body in a threaded mode and coaxially arranged with the positioning pin seat, the screw rod assembly is located right above the positioning pin seat, the pressing block is of a cylindrical structure with one end open and coaxially arranged between the screw rod assembly and the positioning pin seat, an opening of the pressing block is downwards arranged, one end of the step bolt is fixed at the bottom of the screw rod assembly, the other end of the step bolt penetrates through the top of the pressing block and extends into the pressing block, and the plane thrust bearing is arranged between the pressing block and the screw rod assembly. The utility model avoids scratching or damaging the rust-proof layer of the parking pull rod caused by autorotation in the pressing process of the pressing block, and prolongs the service life of the parking pull rod.
Description
Technical Field
The utility model relates to the technical field of brake installation tools, in particular to a device for pressing an integrated brake parking pull rod.
Background
The integrated brake parking pull rod is in interference fit with the rotating shaft spline, and stable and sufficient pressing force is required to be provided through a tool during assembly and is more than 10000N and acts on the parking pull rod so as to press-fit the parking pull rod outside the rotating shaft.
In the pressing process of the existing tool, the pressing force of the tool on the parking pull rod is large, so that the phenomenon of scratching and damaging the surface of a workpiece is easy to occur between the tool and the parking pull rod, and the rust-proof layer on the surface of the workpiece is invalid, so that the service life is influenced.
Disclosure of Invention
The device for pressing the integrated brake parking pull rod aims at solving the problems of the existing tool, and is convenient to press, high in stability and capable of avoiding workpiece scratches.
The specific technical scheme is as follows:
an apparatus for press-fitting an integrated brake parking lever, comprising:
the frame body is provided with a positioning pin seat for positioning the thrust rotating shaft;
the screw rod assembly is arranged on the frame body in a threaded manner and is coaxially arranged with the positioning pin seat, and the screw rod assembly is positioned right above the positioning pin seat;
the pressing block is of a cylindrical structure with one end being opened, is coaxially arranged between the screw rod assembly and the positioning pin seat, is downward arranged in an opening, and is used for downwards pressing the parking pull rod, so that the parking pull rod is pressed outside the thrust rotating shaft;
the step bolt is fixed at the bottom of the screw rod assembly, and the other end of the step bolt penetrates through the top of the pressing block, extends into the pressing block and is longitudinally in limit fit with the inner wall of the top of the pressing block;
the plane thrust bearing is arranged between the pressing block and the screw rod assembly and movably sleeved outside the step bolt.
As a further improvement and optimization of the present solution, the step bolt includes:
the screw thread part is fixed in the screw rod assembly in a threaded manner;
the top of the smooth part is coaxially fixed at the bottom of the threaded part, and the bottom of the smooth part penetrates through the top of the pressing block, extends into the pressing block and is longitudinally matched with the pressing block in a sliding manner;
the screwing part is arranged in the pressing block in a sliding manner, and the top of the screwing part is coaxially fixed at the bottom of the smooth part and is in longitudinal limit fit with the inner wall of the top of the pressing block.
As a further improvement and optimization of the scheme, the bottom of the screwing part is provided with an inner hexagonal hole.
As a further improvement and optimization of the scheme, the plane thrust bearing is coaxially and movably sleeved outside the smooth part and longitudinally and slidably matched with the smooth part, and the diameter of the smooth part is larger than that of the threaded part.
As a further improvement and optimization of the scheme, a first gasket which is sleeved outside the smooth part in a sliding manner is arranged between the plane thrust bearing and the pressing block, the bottom of the first gasket is in contact with the top of the pressing block, the top of the first gasket is in contact with the bottom of the plane thrust bearing, a second gasket which is sleeved outside the smooth part in a sliding manner is arranged between the plane thrust bearing and the screw rod assembly, and the second gasket is in contact with the bottom of the second gasket and the top of the plane thrust bearing.
As a further improvement and optimization of the solution, the length of the smooth portion is greater than the distance between the top of the second gasket and the top inner wall of the press block.
As a further improvement and optimization of the scheme, the top of the screw rod assembly is provided with a rotating handle.
As a further improvement and optimization of the present solution, the frame body includes:
the base plate is provided with two support columns, and the positioning pin seat is arranged on the base plate and positioned between the two support columns;
the cross beam is fixed between the tops of the two support columns, and the screw rod assembly is installed on the cross beam in a threaded mode.
As a further improvement and optimization of this scheme, bottom plate rectangular plate body structure, be equipped with first adjustment tank and two second adjustment tanks on the bottom plate, the bottom slidable mounting of locating pin seat is in first adjustment tank, and with first adjustment tank constitutes along bottom plate width direction's sliding fit, two the bottom of support column slidable mounting respectively is in two second adjustment tanks, just the support column with constitute between the second adjustment tank along bottom plate width direction's sliding fit.
As a further improvement and optimization of the scheme, the cross beam and the support column are fixed through nuts.
Compared with the prior art, the technical scheme has the following positive effects:
(1) According to the utility model, the rotating torsion force is acted on the plane thrust bearing in the pressing process of the screw rod assembly, and only one longitudinal pressure is acted on the pressing block through the plane thrust bearing, so that the rust-proof layer which is scratched or damaged by autorotation in the pressing process of the pressing block is avoided, and the service life of the parking pull rod is prolonged.
(2) According to the utility model, the screw rod assembly is rotated and is in threaded fit with the frame body to provide the pressing force of the parking pull rod, so that the stability of the pressing force is effectively ensured.
(3) According to the utility model, the first gasket is arranged at the bottom of the plane thrust bearing, the second gasket is arranged at the top of the plane thrust bearing, and when the screw rod assembly is pressed down, the rotation torque force is acted on the plane thrust bearing through the second gasket, so that the phenomenon of damage to the plane thrust bearing caused by direct pressing down of the screw rod assembly and the plane thrust bearing is avoided, the service life of the plane thrust bearing is prolonged, the plane thrust bearing acts on a longitudinal pressure of the pressing block through the first gasket, the phenomenon of damage caused by direct contact of the plane thrust bearing and the pressing block is avoided, and the service life of the plane thrust bearing is further prolonged.
(4) According to the utility model, the diameter of the smooth part is larger than that of the threaded part, when the thrust rotating shaft is in limit contact with the step bolt, the top of the thrust rotating part acts on a supporting force of the screw rod assembly through the top end face of the smooth part so as to prevent the screw rod assembly from continuing to press down, so that the phenomenon that the action force acts on the screw rod assembly through the threaded part to cause sliding wire damage at the threaded connection part of the threaded part and the screw rod assembly is avoided, the longitudinal limit precision of the step bolt on the thrust rotating shaft is influenced, and the assembly precision of the thrust rotating shaft and the parking pull rod is influenced.
(5) According to the utility model, the positioning pin seat can be adjusted in the width direction of the bottom plate through the first adjusting groove, the frame body can be adjusted in the width direction of the bottom plate through the second adjusting groove, in the press fitting process, the positioning pin seat can be slid to adjust the position of a workpiece, and the position of the pressing block is adjusted through the sliding frame body 1, so that the pressing block and the plane thrust bearing are coaxially arranged, the top of the thrust bearing can smoothly extend into the pressing block for positioning, and the practicability is greatly improved.
Drawings
FIG. 1 is a schematic view of a device for press-fitting an integrated brake parking lever according to the present utility model;
FIG. 2 is a schematic view of a device for press-fitting an integrated brake parking lever according to the present utility model;
FIG. 3 is a schematic view showing a structure of a pressing block of a device for pressing an integrated brake parking lever according to the present utility model in a pressed state;
fig. 4 is a schematic structural view of an apparatus for press-fitting an integrated brake parking lever according to the present utility model in an initial state of a press block;
FIG. 5 is a schematic view of a planar thrust bearing of an apparatus for press-fitting an integrated brake parking lever according to the present utility model;
FIG. 6 is an assembled view of a thrust shaft and a parking lever of an apparatus for press-fitting an integrated brake parking lever according to the present utility model;
in the accompanying drawings: 1. a frame body; 2. a screw rod assembly; 3. briquetting; 4. positioning pin seats; 5. a parking pull rod; 6. a step bolt; 7. a planar thrust bearing; 8. a first gasket; 9. a second gasket; 10. a thrust shaft; 11. a bottom plate; 12. a support column; 13. a nut; 14. a cross beam; 21. rotating the handle; 61. a twisting part; 62. a smooth portion; 63. a threaded portion; 111. a second regulating groove; 112. a first adjustment tank; 611. and an inner hexagonal hole.
Detailed Description
The utility model is further described below with reference to the drawings and specific examples, which are not intended to be limiting.
Fig. 1 is a schematic structural view of an apparatus for pressing an integrated brake parking lever according to the present utility model, fig. 2 is a schematic structural view of an apparatus for pressing an integrated brake parking lever according to the present utility model, fig. 3 is a schematic structural view of a press block of an apparatus for pressing an integrated brake parking lever according to the present utility model in a pressed state, fig. 4 is a schematic structural view of an initial press block of an apparatus for pressing an integrated brake parking lever according to the present utility model, fig. 5 is a schematic structural view of a planar thrust bearing of an apparatus for pressing an integrated brake parking lever according to the present utility model, fig. 6 is an assembly diagram of a thrust shaft of an apparatus for pressing an integrated brake parking lever according to the present utility model and a parking lever, as shown in fig. 1 to 6, an apparatus for pressing an integrated brake parking lever 5 according to a preferred embodiment of the present utility model, comprising: the device comprises a frame body 1, a screw rod assembly 2, a pressing block 3 step, a bolt plane and a thrust bearing, wherein a positioning pin seat 4 is arranged on the frame body 1 and is used for positioning a thrust rotating shaft 10, the screw rod assembly 2 is arranged on the frame body in a threaded manner and is coaxially arranged with the positioning pin seat 4, the screw rod assembly 2 is positioned right above the positioning pin seat 4, the pressing block 3 is of a cylindrical structure with one end open and is coaxially arranged between the screw rod assembly 2 and the positioning pin seat 4, the opening of the pressing block 3 is downwards arranged and is used for downwards pressing a parking pull rod 5, so that the parking pull rod 5 is pressed outside the thrust rotating shaft 10, one end of a step bolt 6 is fixed at the bottom of the screw rod assembly 2 through a bolt, the other end of the step bolt 6 penetrates through the top of the pressing block 3 and is longitudinally limited and matched with the inner wall of the top of the pressing block 3, and the plane thrust bearing 7 is arranged between the pressing block 3 and the screw rod assembly 2 and is movably sleeved outside the step bolt 6.
In this embodiment, during press fitting, the bottom of the thrust rotating shaft 10 is fixed in position through the positioning pin seat 4, and the parking pull rod 5 is placed at the top of the thrust rotating shaft 10, and the mounting hole on the parking pull rod 5 is opposite to the thrust rotating shaft 10, then the screw assembly 2 is rotated, and the pressing block 3 is driven to move downwards, when the bottom of the pressing block 3 contacts with the top of the parking pull rod 5, the screw assembly 2 presses the pressing block 3 through the planar thrust bearing 7, so that the parking pull rod 5 is pressed outside the thrust rotating shaft 10.
In this embodiment, the screw rod assembly 2 is pressed down in-process and acts on the plane thrust bearing 7 with rotatory torsion to only act on a longitudinal pressure on the briquetting 3 through the plane thrust bearing 7, avoid briquetting 3 to press down in-process and take place the rotation and lead to the fish tail or destroy the rust-proof layer of avoiding of parking pull rod 5, improve the life of parking pull rod 5.
In the embodiment, the screw rod assembly 2 is rotated and the pressing force of the parking pull rod 5 is provided under the threaded fit with the frame body 1, so that the stability of the pressing force is effectively ensured.
Further, as a preferred embodiment, the step bolt 6 includes: the screw rod assembly comprises a screw thread part 63, a smooth part 62 and a screwing part 61, wherein the screw thread part 63 is fixed in the screw rod assembly 2 in a screw thread way, the top of the smooth part 62 is coaxially fixed at the bottom of the screw thread part 63, the bottom of the smooth part 62 penetrates through the top of the pressing block 3, extends into the pressing block 3 and is longitudinally matched with the pressing block 3 in a sliding way, the screwing part 61 is slidably arranged in the pressing block, and the top of the screwing part 61 is coaxially fixed at the bottom of the smooth part 62 and is longitudinally matched with the inner wall of the top of the pressing block 3 in a limiting way.
Further, as a preferred embodiment, the bottom of the screwing part 61 is provided with an inner hexagonal hole 611, which facilitates assembling the step bolt 6.
Further, as a preferred embodiment, the planar thrust bearing 7 is coaxially and movably sleeved outside the smooth portion 62 and longitudinally slidably engaged with the smooth portion 62, and the diameter of the smooth portion 62 is larger than that of the threaded portion 63.
Further, as a preferred embodiment, a first gasket 8 is provided between the planar thrust bearing 7 and the pressing block 3, the sliding sleeve is arranged outside the smooth portion 63, the bottom of the first gasket 8 contacts with the top of the pressing block 3, the top contacts with the bottom of the planar thrust bearing 7, a second gasket 9 is provided between the planar thrust bearing 7 and the screw assembly 2, the sliding sleeve is arranged outside the smooth portion 63, and the second gasket 9 contacts with the bottom and the top of the planar thrust bearing 7.
In this embodiment, the bottom of the plane thrust bearing 7 is provided with a first gasket 8, the top is provided with a second gasket 9, when the screw rod assembly 2 is pressed down, the rotation torque force is acted on the plane thrust bearing 7 through the second gasket 9, the phenomenon that the plane thrust bearing 7 is damaged due to direct downward pressing of the screw rod assembly 2 and the plane thrust bearing 7 is avoided, the service life of the plane thrust bearing 7 is prolonged, the plane thrust bearing 7 acts on one longitudinal pressure of the pressing block 3 through the first gasket 8, the phenomenon that the plane thrust bearing 7 is damaged due to direct contact with the pressing block 3 is avoided, and the service life of the plane thrust bearing 7 is further prolonged.
Further, as a preferred embodiment, the length of the smooth portion 62 is longer than the distance between the top of the second gasket 9 and the top inner wall of the press block 3.
In this embodiment, the thrust rotating shaft 10 is pressed out from the top of the parking pull rod 5, and extends into the pressing block 3 through the bottom opening of the pressing block 3 until the top of the thrust rotating shaft 10 is in limiting contact with the bottom of the screwing part 61 of the step bolt 6, at this time, the parking pull rod 5 cannot be continuously pressed down, and press-fitting of the parking pull rod 5 and the thrust rotating shaft 10 is completed.
In this embodiment, the diameter of the smooth portion 62 is greater than that of the threaded portion 63, when the thrust rotating shaft 10 is in spacing contact with the step bolt 6, the top end face of the smooth portion 62 acts on a supporting force of the screw assembly 2 to block the screw assembly 2 from continuing to press down, so that the phenomenon that the thread connection between the threaded portion 63 and the screw assembly 2 is damaged due to the fact that the acting force acts on the screw assembly 2 through the threaded portion 63 is avoided, the longitudinal spacing accuracy of the step bolt 6 to the thrust rotating shaft 10 by the screwing portion 61 is affected, and the assembly accuracy of the thrust rotating shaft 10 and the parking pull rod 5 is affected.
Further, as a preferred embodiment, the screw assembly 2 has a rotating handle 21 at the top, and the screw assembly 2 is rotated by rotating the handle 21.
Further, as a preferred embodiment, the frame 1 includes: the base plate 11 is provided with two support columns 12, the locating pin seat 4 is arranged on the base plate 11 and located between the two support columns 12, the cross beam 14 is fixed between the tops of the two support columns 12, and the screw rod assembly 2 is installed on the cross beam 14 in a threaded mode.
Further, as a preferred embodiment, the bottom plate 11 is a rectangular plate body structure, the bottom plate 11 is provided with a first adjusting groove 112 and two second adjusting grooves 111, the bottom of the locating pin seat 4 is slidably mounted in the first adjusting groove 112 and forms a sliding fit with the first adjusting groove 112 along the width direction of the bottom plate 11, the bottoms of the two support columns 12 are slidably mounted in the two second adjusting grooves 111 respectively, and a sliding fit between the support columns 12 and the second adjusting grooves 111 along the width direction of the bottom plate 11 is formed.
Further, as a preferred embodiment, the cross beam 14 and the support column 12 are fixed by nuts 13.
In this embodiment, the positioning pin seat 4 can be adjusted in the width direction of the bottom plate 11 through the first adjusting groove 112, the frame body 1 can be adjusted in the width direction of the bottom plate 11 through the second adjusting groove 111, in the press mounting process, the positioning pin seat 4 can slide to adjust the position of the workpiece, the position of the pressing block 3 can be adjusted through the sliding frame body 1, the pressing block 3 and the thrust bearing can be ensured to be coaxially arranged, so that the top of the thrust bearing can be smoothly stretched into the pressing block 3 to be positioned, and the practicability is greatly improved.
The foregoing description is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the scope of the utility model, and it will be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present utility model, and are intended to be included within the scope of the present utility model.
Claims (10)
1. An apparatus for press-fitting an integrated brake parking lever, comprising:
the frame body is provided with a positioning pin seat for positioning the thrust rotating shaft;
the screw rod assembly is arranged on the frame body in a threaded manner and is coaxially arranged with the positioning pin seat, and the screw rod assembly is positioned right above the positioning pin seat;
the pressing block is of a cylindrical structure with one end being opened, is coaxially arranged between the screw rod assembly and the positioning pin seat, is downward arranged in an opening, and is used for downwards pressing the parking pull rod, so that the parking pull rod is pressed outside the thrust rotating shaft;
the step bolt is fixed at the bottom of the screw rod assembly, and the other end of the step bolt penetrates through the top of the pressing block, extends into the pressing block and is longitudinally in limit fit with the inner wall of the top of the pressing block;
the plane thrust bearing is arranged between the pressing block and the screw rod assembly and movably sleeved outside the step bolt.
2. The apparatus for press-fitting an integrated brake parking lever as defined in claim 1, wherein said step bolt includes:
the screw thread part is fixed in the screw rod assembly in a threaded manner;
the top of the smooth part is coaxially fixed at the bottom of the threaded part, and the bottom of the smooth part penetrates through the top of the pressing block, extends into the pressing block and is longitudinally matched with the pressing block in a sliding manner;
the screwing part is arranged in the pressing block in a sliding manner, and the top of the screwing part is coaxially fixed at the bottom of the smooth part and is in longitudinal limit fit with the inner wall of the top of the pressing block.
3. The apparatus for press-fitting an integrated brake parking lever as claimed in claim 2, wherein the screw-moving part has a hexagonal hole at a bottom thereof.
4. A device for press fitting an integrated brake parking lever as defined in claim 3, wherein said planar thrust bearing is coaxially and movably sleeved outside said smooth portion and is longitudinally slidably engaged with said smooth portion, and said smooth portion has a diameter greater than that of said threaded portion.
5. The device for pressing the parking pull rod of the integrated brake according to claim 4, wherein a first gasket which is sleeved outside the smooth part in a sliding manner is arranged between the planar thrust bearing and the pressing block, the bottom of the first gasket is in contact with the top of the pressing block, the top of the first gasket is in contact with the bottom of the planar thrust bearing, a second gasket which is sleeved outside the smooth part in a sliding manner is arranged between the planar thrust bearing and the screw rod assembly, and the second gasket is in contact with the bottom of the second gasket and the top of the planar thrust bearing.
6. The apparatus for press-fitting an integrated brake parking lever as recited in claim 5, wherein a length of said smooth portion is greater than a distance between a top of said second washer and a top inner wall of said press block.
7. The apparatus for press-fitting an integrated brake parking lever as recited in claim 1, wherein a top portion of said lead screw assembly has a rotating handle.
8. The apparatus for press-fitting an integrated brake parking lever as recited in claim 1, wherein said housing comprises:
the base plate is provided with two support columns, and the positioning pin seat is arranged on the base plate and positioned between the two support columns;
the cross beam is fixed between the tops of the two support columns, and the screw rod assembly is installed on the cross beam in a threaded mode.
9. The device for press-fitting an integrated brake parking pull rod according to claim 8, wherein the base plate is of a rectangular plate body structure, a first adjusting groove and two second adjusting grooves are formed in the base plate, the bottoms of the positioning pin seats are slidably mounted in the first adjusting grooves and form sliding fit with the first adjusting grooves in the width direction of the base plate, the bottoms of the two support columns are slidably mounted in the two second adjusting grooves respectively, and sliding fit is formed between the support columns and the second adjusting grooves in the width direction of the base plate.
10. The apparatus for press-fitting an integrated brake parking lever as recited in claim 9, wherein said cross member is secured to said support post by a nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223306417.XU CN219649133U (en) | 2022-12-09 | 2022-12-09 | Device for press-fitting integrated brake parking pull rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223306417.XU CN219649133U (en) | 2022-12-09 | 2022-12-09 | Device for press-fitting integrated brake parking pull rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219649133U true CN219649133U (en) | 2023-09-08 |
Family
ID=87881382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223306417.XU Active CN219649133U (en) | 2022-12-09 | 2022-12-09 | Device for press-fitting integrated brake parking pull rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219649133U (en) |
-
2022
- 2022-12-09 CN CN202223306417.XU patent/CN219649133U/en active Active
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