CN218316119U - Thrust rod bush and thrust rod assembly - Google Patents
Thrust rod bush and thrust rod assembly Download PDFInfo
- Publication number
- CN218316119U CN218316119U CN202222378492.0U CN202222378492U CN218316119U CN 218316119 U CN218316119 U CN 218316119U CN 202222378492 U CN202222378492 U CN 202222378492U CN 218316119 U CN218316119 U CN 218316119U
- Authority
- CN
- China
- Prior art keywords
- thrust rod
- bushing
- head
- spherical pin
- rubber body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Pivots And Pivotal Connections (AREA)
Abstract
The utility model provides a thrust rod bush and a thrust rod assembly, wherein the outer bush is vulcanized on a spherical pin through a rubber body, the middle part of the spherical pin is of a columnar structure, a multi-curved-surface wave structure is formed on the surface of the columnar structure, and two ends of the spherical pin are provided with connecting handles; a through hole is arranged in the head of the thrust rod, wherein the through hole is in interference fit with the excircle of the outer bushing and is pressed and installed in the head of the thrust rod in a press-fitting mode; the thrust rod head forms a thrust rod assembly through a connecting rod. The utility model increases the bonding area between the rubber body and the spherical pin, so that the rubber body, the spherical pin and the outer bushing form a finishing body, thereby prolonging the service life of the product; the direct contact between the original rubber body and the original thrust rod head is avoided, and mutual abrasion does not exist; the rubber lifter avoids the direct contact between the rubber of the two traditional outer sleeves or the rod heads and the steel part to cause the abrasion of the rubber lifter, thereby prolonging the service life of the outer bushing.
Description
Technical Field
The utility model relates to an automobile parts field specifically is a distance rod bush and distance rod assembly.
Background
The existing thrust rod bushing (as shown in fig. 8) comprises an original spherical pin a, end caps b are arranged at two ends of the original spherical pin a, and an original rubber body c is vulcanized between the original spherical pin a and the end caps b.
In a thrust rod assembly (figures 10-11), a step e and a clamp spring groove f need to be processed in an original thrust rod head d (figure 9), a thrust rod bushing is limited by the step e and then fixed by a clamp spring g, the assembly process is complex, the clamp spring g is easy to rust and break in the use process, so that the clamp spring g cannot be taken out during subsequent maintenance or the clamp spring groove f is worn to cause scrapping of the thrust rod assembly, and the cost is additionally increased because the two end covers b need to be independently painted after vulcanization.
In the assembly of the thrust rod assembly (fig. 10-11), the outer bushing (as shown in fig. 8) of the thrust rod is pressed into the original head d (fig. 9) of the thrust rod by the compression amount, and simultaneously, the rigidity after the assembly is controlled, and the rigidity cannot be unified due to the difference of the sizes of various manufacturers, so the service life of the product is short, but the compressed sleeve (as shown in fig. 8) of the thrust rod has rigidity and elasticity in the original head d (fig. 9) of the thrust rod, and the rigidity and the elasticity have a limit step e, but the snap spring g bears not only the radial force (from the thrust rod assembly) but also the axial force brought by the rigidity and the elasticity in the mechanical movement process, so the quality stability is poor and the service life is shortened.
Therefore, a bushing assembly (figure 12) with a third structure mode is provided, the design process adopts a mode that an outer bushing wraps the bushing assembly shown in figure 8, the ball stud is of a movable structure, and the problems of poor quality stability, short service life and the like exist.
Disclosure of Invention
The utility model discloses a stabilize the quality of distance rod assembly, extend life, provide a distance rod bush and distance rod assembly specially.
Therefore, the technical scheme of the utility model is, a distance rod bush, including the outer bush, its characterized in that: the outer bushing is vulcanized on the spherical pin through the rubber body, wherein the middle of the spherical pin is of a cylindrical structure, the surface of the cylindrical structure is provided with a multi-curved-surface structure, and two ends of the spherical pin are provided with connecting handles.
The utility model discloses the many curved surfaces structure of well sphere round pin has increased the contact surface, so the contact surface after the rubber body vulcanizes also increases relatively, has just increased frictional force relatively, and the increase of frictional force must increase the axial tensile strength of sphere round pin.
The further improvement lies in that: the multi-curved surface structure of the spherical pin is a wave-shaped structure.
The wavy structure is formed on the surface of the columnar structure in the middle of the spherical pin, the friction force formed by the fluctuation of waves is far greater than that of the original spherical pin, and meanwhile, the wavy structure is easy to machine and can be machined by setting programs through a numerical control lathe.
The further improvement lies in that: the outer lining is a metal structure lining.
The outer lining is a metal structure, not only is a matching allowance reserved, but also the metal strength is kept, and the outer lining is convenient to press fit with the head of the thrust rod.
A thrust rod assembly comprises a thrust rod head, and is characterized in that: the thrust rod head is arranged in a through hole structure, wherein the through hole is in interference fit with the outer circle of the outer bushing.
The structure and the assembly relation of the head of the thrust rod are changed, the limit step and the snap spring are removed, and the radial force is weakened due to the spherical pin with the wave structure and the vulcanized rubber body in the thrust rod bushing, and the axial force is weakened due to the wave structure, so that the service life is prolonged, and the stability of the quality is ensured; meanwhile, due to the interference fit of the thrust rod head and the outer bushing, the limit of the clamp spring and the limit step is avoided, a foundation is provided for future maintenance and replacement, and the thrust rod head does not need to be replaced even if only the thrust rod bushing needs to be replaced.
The further improvement is that: the thrust rod bushing is pressed in the thrust rod head in a pressing mode.
The thrust rod bushing is pressed in the thrust rod head without the limit of the clamp spring and the limit step, so that a foundation is provided for future maintenance and replacement, and the thrust rod bushing is only required to be replaced even if the thrust rod bushing is replaced, and the thrust rod head is not required to be replaced.
The further improvement is that: the head of the thrust rod forms a thrust rod assembly through a connecting rod.
The connection of the thrust rod head can form a thrust rod assembly with various structures, so that the parts are convenient to process and maintain and disassemble.
Has the advantages that:
the utility model discloses thereby the rigidity of the outer bush after well vulcanization increases rubber through the method that reduces external diameter to corresponding size increases the rigidity of distance rod assembly.
Compared with the method for processing the through hole of the thrust rod head, the method is much easier and simpler than the steps of processing the limit step and additionally installing the snap spring, thereby reducing the material usage amount and simplifying the processing technology, and the processing cost can be reduced.
The processing and material of the ball pin in the utility model can be increased by 1-1.5%, but the stability total cost considering the service life and quality and the simplification of the processing technology are reduced by 5-10%.
The utility model discloses obtain reliable product quality and reduction in production cost and after-sales maintenance cost, thereby thrust rod pole head repeatedly usable reduces the wasting of resources wholly reduce cost more than 10%.
The utility model discloses outer bush vulcanized rubber body later stage shrink guarantees outer bush rigidity unity, has increased the bonding area of the rubber body with the sphere round pin, thereby makes the rubber body form the whole life that has improved this product of organic with sphere round pin and outer bush.
After the improvement, the manufacturing and assembling process of the thrust rod assembly is eliminated, and particularly, a limit step and a clamp spring groove are not formed in the head of the thrust rod (naturally, the use of a clamp spring is not used); meanwhile, the material is saved, and the purpose of reducing the cost is achieved.
The utility model avoids the direct contact between the original rubber body and the original thrust rod head, and has no mutual abrasion; the abrasion of the rubber body caused by the direct contact between the head of the original thrust rod and the original rubber in the two traditional technologies is avoided.
Drawings
Figure 1 is a cross-sectional view of a thrust rod bushing according to the present invention.
Fig. 2 is an external view of the spherical pin of fig. 1.
Fig. 3 is a perspective view of fig. 2.
Fig. 4 is an outline view of the three-dimensional structure of fig. 1.
Fig. 5 is a cross-sectional view of the middle thrust rod head of the present invention.
Fig. 6 is a structural view of fig. 1 press-fitted in fig. 5.
Fig. 7 is a structure view of the thrust rod assembly of the present invention.
In the figure, 1 is an outer bush, 2 is a rubber body, 3 is a spherical pin, 4 is a wave structure, 5 is a connecting shank, 6 is a thrust rod head, 7 is a through hole, and 8 is a connecting rod.
Fig. 8 is a structure view of an outer bushing of a conventional thrust rod.
Fig. 9 is a structure view of a conventional thrust rod head.
Fig. 10 is a structural view of fig. 8 assembled in fig. 9.
Fig. 11 is a view showing a structure of a conventional thrust rod assembly.
Figure 12 is another cross-sectional view of a prior art thrust rod outer bushing.
In the figure, a is an original spherical pin, b is an end cover, c is an original rubber body, d is an original thrust rod head, e is a limiting step, f is a clamp spring groove, and g is a clamp spring.
Detailed Description
The utility model is shown in figures 1-7.
A thrust rod bushing comprises an outer bushing 1, wherein the inner portion of the outer bushing 1 is vulcanized on a spherical pin 3 through a rubber body 2, the middle of the spherical pin 3 is of a cylindrical structure, a multi-curved-surface structure is formed on the surface of the cylindrical structure, and two ends of the spherical pin are provided with connecting handles 5.
The utility model discloses well sphere round pin 3's many curved surfaces structure has increased the contact surface, so the contact surface after the rubber body 2 vulcanizes also increases relatively, has just increased frictional force relatively, and the increase of frictional force must increase sphere round pin 3's axial tensile strength.
The multi-curved surface structure of the spherical pin 3 is a wave-shaped structure 4.
The wavy structure 4 is formed on the surface of the columnar structure in the middle of the spherical pin 3, the friction force formed by the fluctuation of waves is far greater than that of the original spherical pin, and meanwhile, the wavy structure 4 is easy to machine, and the machining can be implemented by setting programs through a numerical control lathe.
The outer bushing 1 is a metal bushing.
The outer bushing 1 is of a metal structure, not only is a matching allowance reserved, but also the metal strength is kept, and the outer bushing is convenient to press fit with a thrust rod head.
The utility model provides a distance rod assembly, includes distance rod head 6, distance rod head 6 for perforating hole 7 structure setting, wherein perforating hole 7 and outer lane interference fit of outer bush 1.
The structure and the assembly relation of the thrust rod head 6 are changed, the limit step e and the snap spring g are removed, and at the moment, the radial force is weakened by the spherical pin 3 of the wave-shaped structure 4 and the vulcanized rubber body 2 in the thrust rod bushing, and the axial force is weakened due to the radial force, so that the service life is prolonged, and the quality stability is ensured; meanwhile, due to the interference fit of the thrust rod head 6 and the outer bushing 1, the limit of the clamp spring g and the limit step e is avoided, a foundation is provided for future maintenance and replacement, the thrust rod head 6 does not need to be replaced even if only the thrust rod bushing needs to be replaced.
The thrust rod bushing is pressed in the thrust rod head 6 in a pressing mode.
The thrust rod bushing is pressed in the thrust rod head 6 without the limit of the clamp spring g and the limit step e, so that a foundation is provided for future maintenance and replacement, the thrust rod bushing only needs to be replaced even if the thrust rod bushing is replaced, and the thrust rod head 6 does not need to be replaced.
The thrust rod head 6 forms a thrust rod assembly through a connecting rod 8.
The connection of the thrust rod head 6 can form a thrust rod assembly with various structures, so that the parts are convenient to process and maintain and disassemble.
The design concept principle is as follows:
the vulcanized outer bushing 1 increases the rigidity of the rubber body 2 by reducing the outer diameter to a corresponding size, thereby increasing the rigidity of the thrust rod assembly.
Compared with the method for processing the through hole 7 of the thrust rod head 6, the method is much easier and simpler than the steps of processing the limit step e and adding the snap spring g, thereby reducing the material consumption and simplifying the processing technology, and the processing cost can be reduced.
The processing and material of the ball pin 3 in the utility model can be increased by 1-1.5%, but the stability total cost considering the service life and quality and the simplification of the processing technology are reduced by 5-10%.
The utility model discloses obtain reliable product quality and reduction in production cost and after-sales maintenance cost, distance rod head 6 repeatedly usable. The use of the thrust rod assembly ensures the quality of the thrust rod assembly, prolongs the service life, and reduces the resource waste, thereby reducing the overall cost by more than 10%.
The utility model discloses the 1 rigidity unity of outer bush is guaranteed in the 2 later stages shrink of the 1 vulcanized rubber body of china and foreign lining, has increased the bonding area of the rubber body 2 and sphere round pin 3, thereby makes the rubber body 2 and sphere round pin 3 and outer bush 1 form a whole life that has improved this product.
After the improvement, the manufacturing and assembling process of the thrust rod head 6 is omitted, and particularly, the thrust rod head 6 is not provided with a limiting step e and a clamp spring groove f (naturally, the clamp spring g is not used); meanwhile, the material is saved, and the purpose of reducing the cost is achieved.
The utility model avoids the direct contact between the original rubber body a and the original thrust rod head d, and has no mutual abrasion; the abrasion of the original rubber body c caused by the direct contact of the original thrust rod head d and the original rubber body c in the two traditional technologies is avoided.
The processing process comprises the following steps:
the utility model redesigns and processes the spherical pin 3 and the outer bushing 1, reprocesses the improved outer bushing 1 vulcanization forming mould, and adjusts the rubber formula; confirming the machining size of the outer bushing 1, and machining different outer diameters according to the outer bushings 1 with different outer diameters; after the outer bushing 1 and the spherical pin 3 are coated with special metal Kernel rubber in a brush coating mode, the thrust rod bushing is integrally prepared through high-temperature vulcanization at 140-145 ℃ within 30 minutes; the rigidity of the rubber body 2 is increased by reducing the outer sleeve to a corresponding size of the vulcanized outer bushing 1, so that the rigidity of the thrust rod assembly is increased;
redesigning the improved thrust rod head 6, and processing a through hole 7 of the thrust rod head 6 by forging and machining; the thrust rod bushing is press-fitted in the through hole 7 of the thrust rod head 6 by interference fit.
The main technical effects obtained are as follows: 1. the assembly process is simple and reliable, and later-stage maintenance, disassembly and assembly are convenient and simple.
2. The rigidity of the metal outer bushing 1 ensures the integral performance of the thrust rod bushing, so that the service life of the product is prolonged.
3. Remove processing jump ring groove f and spacing step e from, avoided making the distance rod scrap because of the quality problems that jump ring g fracture deformation caused, distance rod head 6 repeatedly usable after the distance rod bush improves reduces the wasting of resources.
4. The jump ring groove f and the limit step e are eliminated, and the cost of the push rod head can be directly reduced by 5-10 percent by using a simple process of forging or obtaining the push rod head in other modes.
5. The coating process of electroplating or electrophoretic paint is easy to realize.
6. Reliable product quality is obtained, production cost and after-sale maintenance cost are reduced, the thrust rod can be repeatedly used, resource waste is reduced, and the cost can be reduced by more than 10% integrally.
Claims (5)
1. A thrust rod bushing comprising an outer bushing (1), characterized in that: the inner part of the outer bushing (1) is vulcanized on the spherical pin (3) through the rubber body (2), wherein the middle part of the spherical pin (3) is of a cylindrical structure, a multi-curved-surface structure is formed on the surface of the cylindrical structure, and two ends of the spherical pin are provided with connecting handles (5).
2. A thrust rod bushing according to claim 1, wherein: the multi-curved-surface structure of the spherical pin (3) is a wavy structure (4).
3. The thrust rod bushing of claim 1, wherein: the outer bushing (1) is a bushing of a metal structure.
4. A thrust rod assembly comprising a thrust rod head (6), characterized in that: the thrust rod head (6) is arranged in a through hole (7) structure, wherein the through hole (7) is in interference fit with the outer circle of the outer bushing (1).
5. The thrust rod assembly of claim 4, wherein: the thrust rod head (6) forms a thrust rod assembly through a connecting rod (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222378492.0U CN218316119U (en) | 2022-09-08 | 2022-09-08 | Thrust rod bush and thrust rod assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222378492.0U CN218316119U (en) | 2022-09-08 | 2022-09-08 | Thrust rod bush and thrust rod assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218316119U true CN218316119U (en) | 2023-01-17 |
Family
ID=84836388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222378492.0U Active CN218316119U (en) | 2022-09-08 | 2022-09-08 | Thrust rod bush and thrust rod assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218316119U (en) |
-
2022
- 2022-09-08 CN CN202222378492.0U patent/CN218316119U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202240378U (en) | Self-adaptive centering floating pressure head device | |
| CN218316119U (en) | Thrust rod bush and thrust rod assembly | |
| CN111687365B (en) | Claw utmost point preforging assembling die | |
| CN209699011U (en) | A kind of earless circlip mounting tool | |
| CN202579687U (en) | Assembly for assembling sealing element of rolling bearing | |
| CN108506332B (en) | High-strength precise ball hinge applied to die cutting machine | |
| CN208514142U (en) | Clutch can vehicle shape positioning device | |
| CN215720248U (en) | High-strength slewing bearing isolation block | |
| CN215922458U (en) | Electric bicycle center shaft square sleeve assembly and square sleeve cold heading forming die | |
| CN109318925B (en) | Manufacturing method of shaft box positioning node | |
| CN209881571U (en) | Motor rotor axial positioning structure and windscreen wiper motor | |
| CN212803405U (en) | Be applied to step bush of car exhaust choke valve | |
| CN112615462A (en) | Motor for outer rotor synchronous traction machine for elevator and machining and assembling method thereof | |
| CN210799720U (en) | Miniature thrust bearing | |
| CN201614972U (en) | Four-cylinder crankshaft connecting rod | |
| CN112705909A (en) | Manufacturing method of cold mold for disc centrifuge | |
| CN107310338B (en) | Swing arm assembly on car | |
| CN215580840U (en) | Shaft pressing tool of outer rotor motor | |
| CN217964371U (en) | Press riveting die of limiting assembly and limiting assembly | |
| CN217502300U (en) | Hub bearing of riveting type check ring | |
| CN212660067U (en) | Brake disc of motor for single-phase miniature electric hoist | |
| CN220622737U (en) | Sealing ring structure for electric tool | |
| CN221436144U (en) | Novel universal swinging device of floating polishing head | |
| CN212643305U (en) | Outer ball joint structure of automobile steering device | |
| CN220929979U (en) | Engine shaft bushing combined casting |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |