CN215928209U - Powder metallurgy bumper shock absorber director assembly - Google Patents
Powder metallurgy bumper shock absorber director assembly Download PDFInfo
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- CN215928209U CN215928209U CN202122352002.5U CN202122352002U CN215928209U CN 215928209 U CN215928209 U CN 215928209U CN 202122352002 U CN202122352002 U CN 202122352002U CN 215928209 U CN215928209 U CN 215928209U
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Abstract
The utility model relates to a powder metallurgy damper guider assembly in the technical field of powder metallurgy, an assembly body and an oil seal seat are sleeved on a piston rod, the upper surface of the assembly body is provided with an upper convex part, the lower surface of the assembly body is provided with a lower groove, the oil seal seat is installed at the upper position of the assembly body, oil is sealed between the oil seal seat and the piston rod through an upper oil seal and a lower oil seal, the oil seal seat and the assembly body are respectively matched with a sleeve pipe to be provided with a sealing rubber ring, a linear bearing is matched between the assembly body and the piston rod, the top of the oil seal seat is matched with the piston to be provided with a spring component, the bottom of the assembly body is matched with the piston rod to be provided with an oil seal gland, and the assembly body is matched with an oil duct; has good safety performance and stability in the using process.
Description
Technical Field
The utility model relates to the technical field of powder metallurgy, in particular to a guider assembly.
Background
A guider assembly is disclosed in the existing Chinese patent database, and the patent application numbers are as follows: CN201822010949.6, filed as follows: 2018.12.03, publication No. CN209164475U, publication date: 2019.07.26, the utility model discloses a novel powder metallurgy guider assembly, which comprises a guider body, wherein the guider body is provided with a mounting hole matched with a piston rod, the surface of the guider body is provided with an upper convex part, at least two groups of spring components are uniformly distributed in the upper convex part, each spring component comprises a spring and a spring movable sleeve sleeved on the upper part of the spring, the upper surface of the guider body is covered with an upper gland, and the upper gland is provided with an opening corresponding to the mounting hole; the utility model discloses a during the reciprocating movement about spring unit in the use, the deformation that can't resume takes place easily, can't in time effectual adding pressurized oil between director body and the piston rod for the director body is serious with the wearing and tearing of piston rod department of meeting, reduces life and causes accident easily and takes place.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provide a guide assembly of a powder metallurgy shock absorber; the during operation has better sealed effect, has promoted shock attenuation effect and life, has good security performance and stability simultaneously in the use.
The purpose of the utility model is realized as follows: a powder metallurgy shock absorber guider assembly comprises an assembly body (1) arranged in a sleeve (17) and an oil seal seat (4) matched with the assembly body (1), wherein the assembly body (1) and the oil seal seat (4) are sleeved on a piston rod (2), an upper side protruding part (3) is arranged on the upper surface of the assembly body (1), a lower side groove (14) is arranged on the lower surface of the assembly body (1), the oil seal seat (4) is arranged at the upper position of the assembly body (1), a groove (18) is arranged at the bottom of the oil seal seat (4) and matched with the upper side protruding part (3) for arrangement, oil sealing is carried out between the oil seal seat (4) and the piston rod (2) through an upper oil seal (8) and a lower oil seal (15), and a sealing rubber ring (9) is respectively matched with the sleeve (17) by the oil seal seat (4) and the assembly body (1), the assembly is characterized in that a linear bearing (10) is arranged between the assembly body (1) and the piston rod (2) in a matched mode, a spring component is arranged on the top of the oil seal seat (4) in a matched mode, an oil seal gland (12) is arranged on the bottom of the assembly body (1) in a matched mode and the piston rod (2), and an oil duct (21) is arranged in the assembly body (1) in a matched mode.
When the oil seal assembly works, when the assembly body (1) and the oil seal seat (4) integrally move upwards, the L-shaped upper oil seal (8) and the L-shaped lower oil seal (15) can effectively seal oil, so that oil leakage is avoided; when the inner spring (19) and the outer spring (20) on the oil seal seat (4) push against the piston, the inner spring (19) and the outer spring (20) elastically deform and apply opposite force to the assembly body (1) so as to achieve the damping effect, in the process of elastic deformation of the spring (11), because the inner spring (19) and the outer spring (20) are respectively staggered, relatively good balance can be kept in the movement process of the assembly body (1), the linear bearing (10) can move up and down along with the movement of the assembly body (1), the upper convex part (3), the lower groove (14) and the oil duct (21) mutually slow down the air pressure in part of the assembly body (1) so as to prevent the damage of each part due to overhigh internal air pressure, when the assembly body (1) moves downwards, the oil seal gland (12) can move up and down along with the assembly body (1), the oil seal gland (12) prevents foreign matters and dirt from entering the linear bearing (10) or the interior of the assembly body (1) while moving up and down.
The utility model has the advantages that: providing a shock absorbing piston assembly having an improved construction; this shock attenuation piston assembly utility seal effect is better, has promoted the shock attenuation effect, has improved life simultaneously and shock attenuation part can not take place displacement or fracture when meetting emergency, has improved security performance and leakproofness and the dismouting is simple.
As a further improvement of the utility model, in order to increase the sealing performance of the oil seal seat (4), the abnormal operation of the damping equipment caused by oil leakage in the use process is prevented; the cross section of the upper oil seal (8) is arranged in an L shape, the upper oil seal (8) is located above the inner side of the oil seal seat (4), the cross section of the lower oil seal (15) is square, the lower oil seal (15) is arranged below the inner side of the oil seal seat (4) and is connected with the linear bearing (10), and the sealing rubber ring (9) is arranged at the outer side position of the oil seal seat (4) and is preset with a plurality of groups.
As a further improvement of the utility model, in order to ensure that the spring assembly does not displace during the movement; the spring assembly comprises a spring groove (16) and a spring (11) which are arranged on the oil seal seat (4), and the spring (11) is installed in the spring groove (16) and limited through the spring groove (16).
As a further improvement of the utility model, in order to increase the stability of the assembly body (1) when moving up and down; the spring assembly is arranged on the oil seal seat (4) and the top end of the spring assembly is connected with the piston, the spring (11) is divided into four groups of inner springs (19) and four groups of outer springs (20), the inner springs (19) are arranged at the inner ring position of the assembly body (1), the outer springs (20) are arranged at the outer ring position of the assembly body (1), the inner springs (19) and the outer springs (20) are arranged in a staggered mode, and the diameters of the outer springs (20) are larger than those of the inner springs (19).
As a further improvement of the utility model, in order to increase the fixity between the oil seal gland (12) and the piston rod (2); the cooperation of oil blanket gland (12) is provided with fixed block (13), oil blanket gland (12) set up in the below of piston rod (2) and fix through fixed block (13).
As a further improvement of the utility model, the assembly body (1) is convenient to move up and down, and the abrasion between the assembly body (1) and the piston rod (2) is reduced; the linear bearing (10) is arranged between the assembly body (1) and the piston rod (2), is fixed with the assembly body (1) and can move up and down.
As a further improvement of the utility model, the sealing rubber ring (9) is convenient for workers to replace; the sealing rubber ring (9) is correspondingly matched with the assembly body (1) and the oil seal seat (4) and can be detached, and the assembly body (1) is designed by adopting a high-temperature-resistant elastic material.
Drawings
Fig. 1 is a front view of the present invention.
FIG. 2 is a cross-sectional view of the spring assembly of the present invention.
The oil seal structure comprises an assembly body 1, a piston rod 2, an upper side protruding portion 3, an oil seal seat 4, an upper oil seal 8, a sealing rubber ring 9, a linear bearing 10, a spring 11, an oil seal gland 12, a fixed block 13, a lower side groove 14, a lower oil seal 15, a spring groove 16, a sleeve 17, a groove 18, an inner side spring 19, an outer side spring 20 and an oil duct 21.
Detailed Description
As shown in fig. 1-2, a powder metallurgy damper guider assembly comprises an assembly body 1 arranged in a sleeve 17, and an oil seal seat 4 arranged in cooperation with the assembly body, wherein the assembly body 1 and the oil seal seat 4 are sleeved on a piston rod 2, an upper convex portion 3 is arranged on the upper surface of the assembly body 1, a lower concave groove 14 is arranged on the lower surface of the assembly body 1, the oil seal seat 4 is arranged at an upper position of the assembly body 1, a groove 18 is arranged at the bottom of the oil seal seat 4 and is matched with the upper convex portion 3, oil sealing is performed between the oil seal seat 4 and the piston rod 2 through an upper oil seal 8 and a lower oil seal 15, the oil seal seat 4 and the assembly body 1 are respectively provided with a seal rubber ring 9 in cooperation with the sleeve 17, a linear bearing 10 is arranged in cooperation between the assembly body 1 and the piston rod 2, a spring component is arranged at the top of the oil seal seat 4 in cooperation with the piston, the bottom of the assembly body 1 is matched with the piston rod 2 to be provided with an oil seal gland 12, the assembly body 1 is matched with an oil passage 21, the section of the upper oil seal 8 is arranged in an L shape, the upper oil seal 8 is positioned at the position above the inner side of the oil seal seat 4, the section of the lower oil seal 15 is square, the lower oil seal 15 is arranged at the position below the inner side of the oil seal seat 4 and is connected with the linear bearing 10, the sealing rubber ring 9 is arranged at the outer side position of the oil seal seat 4 and is preset with a plurality of groups, the spring component comprises a spring groove 16 and a spring 11 which are arranged on the oil seal seat 4, the spring 11 is arranged in the spring groove 16 and is limited by the spring groove 16, the spring component is arranged on the oil seal seat 4 and is connected with a piston at the top end, the spring 11 is divided into four groups of inner side springs 19 and four groups of outer side springs 20, and the inner side springs 19 are arranged at the inner ring position of the assembly body 1, outside spring 20 sets up in assembly body 1's outer lane position, stagger mutually between inside spring 19 and the outside spring 20 and set up and outside spring 20's diameter is greater than inside spring 19's diameter, the cooperation of oil blanket gland 12 is provided with fixed block 13, oil blanket gland 12 sets up in the below of piston rod 2 and fixes through fixed block 13, linear bearing 10 sets up between assembly body 1 and piston rod 2 and fixed mutually and can reciprocate with assembly body 1, sealed rubber ring 9 sets up and can dismantle with assembly body 1, the corresponding supporting setting of oil blanket seat 4, assembly body 1 adopts the design of high temperature resistant elastic material.
When the utility model works: when the assembly body 1 and the oil seal seat 4 integrally move upwards, the L-shaped upper oil seal 8 and the L-shaped lower oil seal 15 can effectively seal oil to avoid oil leakage; when the inner spring 19 and the outer spring 20 on the oil seal seat 4 are pushed against the piston, the damping effect is achieved by the elastic deformation of the inner spring 19 and the outer spring 20 and the application of the opposite force to the assembly body 1, in the process of the elastic deformation of the spring 11, because the inner spring 19 and the outer spring 20 are respectively arranged in a staggered manner, relatively good balance can be kept in the movement process of the assembly body 1, the linear bearing 10 can move up and down along with the movement of the assembly body 1, the upper protruding part 3, the lower groove 14 and the oil duct 21 mutually slow down the air pressure in part of the assembly body 1, the damage of parts or other accidents caused by the overhigh internal air pressure are prevented, when the assembly body 1 moves downwards to a certain degree, the assembly body 1 is connected with the oil seal gland 12 arranged below the piston rod 2, and at the moment, the oil seal gland 12 can move up and down along with the assembly body 1, the oil seal cover 12 prevents foreign matters, dirt, from entering the linear bearing 10 or the interior of the assembly body 1 while moving up and down.
The present invention is not limited to the above embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some substitutions and modifications to some technical features without creative efforts according to the disclosed technical contents, and these substitutions and modifications are all within the protection scope.
Claims (7)
1. The utility model provides a powder metallurgy bumper shock absorber director assembly, is including setting up assembly body (1) in sleeve pipe (17), oil blanket seat (4) that cooperation assembly body (1) set up, assembly body (1) and oil blanket seat (4) suit are on piston rod (2), its characterized in that: the upper surface of the assembly body (1) is provided with an upper side protruding part (3), the lower surface of the assembly body (1) is provided with a lower side groove (14), the oil seal seat (4) is installed at the upper position of the assembly body (1), the bottom of the oil seal seat (4) is provided with a groove (18) and is matched with the upper side protruding part (3) to be arranged, oil is sealed between the oil seal seat (4) and the piston rod (2) through an upper oil seal (8) and a lower oil seal (15), the oil seal seat (4) and the assembly body (1) are respectively matched with a sleeve (17) to be provided with a sealing rubber ring (9), a linear bearing (10) is arranged between the assembly body (1) and the piston rod (2) in a matched manner, the top of the oil seal seat (4) is matched with the piston to be provided with a spring component, the bottom of the assembly body (1) is matched with the piston rod (2) to be provided with a gland (12), the assembly body (1) is provided with an oil duct (21) in a matching manner.
2. The powder metallurgy damper guide assembly of claim 1, wherein: the cross section of the upper oil seal (8) is arranged in an L shape, the upper oil seal (8) is located above the inner side of the oil seal seat (4), the cross section of the lower oil seal (15) is square, the lower oil seal (15) is arranged below the inner side of the oil seal seat (4) and is connected with the linear bearing (10), and the sealing rubber ring (9) is arranged at the outer side position of the oil seal seat (4) and is preset with a plurality of groups.
3. The powder metallurgy damper guide assembly of claim 1, wherein: the spring assembly comprises a spring groove (16) and a spring (11) which are arranged on the oil seal seat (4), and the spring (11) is installed in the spring groove (16) and limited through the spring groove (16).
4. A powder metallurgy damper guide assembly according to claim 3, wherein: the spring assembly is arranged on the oil seal seat (4) and the top end of the spring assembly is connected with the piston, the spring (11) is divided into four groups of inner springs (19) and four groups of outer springs (20), the inner springs (19) are arranged at the inner ring position of the assembly body (1), the outer springs (20) are arranged at the outer ring position of the assembly body (1), the inner springs (19) and the outer springs (20) are arranged in a staggered mode, and the diameters of the outer springs (20) are larger than those of the inner springs (19).
5. The powder metallurgy damper guide assembly of claim 1, wherein: the cooperation of oil blanket gland (12) is provided with fixed block (13), oil blanket gland (12) set up in the below of piston rod (2) and fix through fixed block (13).
6. A powder metallurgy damper guide assembly according to claim 1 or 2, wherein: the linear bearing (10) is arranged between the assembly body (1) and the piston rod (2), is fixed with the assembly body (1) and can move up and down.
7. A powder metallurgy damper guide assembly according to claim 1 or 2, wherein: the sealing rubber ring (9) is correspondingly matched with the assembly body (1) and the oil seal seat (4) and can be detached, and the assembly body (1) is designed by adopting a high-temperature-resistant elastic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122352002.5U CN215928209U (en) | 2021-09-27 | 2021-09-27 | Powder metallurgy bumper shock absorber director assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122352002.5U CN215928209U (en) | 2021-09-27 | 2021-09-27 | Powder metallurgy bumper shock absorber director assembly |
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| Publication Number | Publication Date |
|---|---|
| CN215928209U true CN215928209U (en) | 2022-03-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122352002.5U Active CN215928209U (en) | 2021-09-27 | 2021-09-27 | Powder metallurgy bumper shock absorber director assembly |
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| Country | Link |
|---|---|
| CN (1) | CN215928209U (en) |
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2021
- 2021-09-27 CN CN202122352002.5U patent/CN215928209U/en active Active
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