CN216447331U - Bell shell - Google Patents
Bell shell Download PDFInfo
- Publication number
- CN216447331U CN216447331U CN202122676241.6U CN202122676241U CN216447331U CN 216447331 U CN216447331 U CN 216447331U CN 202122676241 U CN202122676241 U CN 202122676241U CN 216447331 U CN216447331 U CN 216447331U
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- China
- Prior art keywords
- buffer spring
- friction seat
- mounting cavity
- shell
- cavity
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Abstract
The utility model discloses a bell-shaped shell, which has the functions of buffering, shock absorption and self-lubrication, has long service life and good stability, and adopts the technical scheme that the bell-shaped shell comprises the following components: the shell is internally provided with a mounting cavity; the friction seat is arranged in the mounting cavity and is internally provided with a plurality of channel grooves; the buffer device comprises a first buffer spring and a second buffer spring; the first buffer spring and the second buffer spring are both arranged in the mounting cavity and are axially abutted against the friction seat.
Description
Technical Field
The utility model belongs to the technical field of bell-shaped shells, in particular to a bell-shaped shell.
Background
The existing bell-shaped shell is usually only a simple shell structure and is used for accommodating parts such as a star frame, balls and the like, so that the function is single, and improvement is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a bell-shaped shell which has the functions of buffering, shock absorption and self-lubrication, and has long service life and good stability.
The purpose of the utility model is realized as follows: an outer bell housing, characterized by: the method comprises the following steps:
the shell is internally provided with an installation cavity;
the friction seat is arranged in the mounting cavity and is internally provided with a plurality of channel grooves;
the buffer device comprises a first buffer spring and a second buffer spring;
the first buffer spring and the second buffer spring are both arranged in the mounting cavity and are axially abutted against the friction seat.
The utility model is further configured to: the bottom of the cavity of the installation cavity is provided with a positioning groove, the bottom of the friction seat is provided with a positioning ring, the first buffer spring is sleeved outside the second buffer spring, the first buffer spring is of a conical structure, the small end of the first buffer spring is sleeved outside the positioning ring, the large end of the first buffer spring is abutted against the bottom of the cavity of the installation cavity, and the two ends of the second buffer spring are respectively positioned in the positioning groove and the positioning ring.
The utility model is further configured to: the inner wall of the mounting cavity is provided with a plurality of clamping grooves, and the outer wall of the friction seat is provided with clamping blocks matched with the clamping grooves.
The utility model is further configured to: and an inner clamp spring for fixing the friction seat is arranged on the inner wall of the port of the mounting cavity.
The utility model is further configured to: and the shell is also provided with a connecting pin connected with the friction seat.
The utility model is further configured to: an oil filling hole communicated with the mounting cavity is further formed in the shell, and a plug is further arranged on the oil filling hole.
The utility model is further configured to: the friction seat is a structure sintered by powder metallurgy.
By adopting the technical scheme, the method has the following advantages: through the arrangement of the buffer device, the bell-shaped shell can achieve the effect of axial shock absorption and buffering in the using process;
through the setting of friction seat, can improve the lubricated wearability of bell housing to improve life, and structural stability is good, can ensure the stability in the use.
Drawings
FIG. 1 is a schematic cross-sectional structural view of the present invention;
FIG. 2 is a schematic diagram of the right-hand side view of the present invention;
the reference numbers in the figures are: 1. a housing; 2. a friction seat; 3. a first buffer spring; 4. a second buffer spring; 5. positioning a groove; 6. a positioning ring; 7. a card slot; 8. a clamping block; 9. an inner snap spring; 10. an oil filler hole; 11. and (7) connecting pins.
Detailed Description
The utility model is further described in the following with specific embodiments in conjunction with the accompanying drawings, see fig. 1-2:
example 1:
an outer bell housing, characterized by: the method comprises the following steps:
the device comprises a shell 1, wherein a mounting cavity is arranged in the shell 1;
the friction seat 2 is arranged in the mounting cavity, and a plurality of channel grooves are formed in the friction seat 2;
the buffering device comprises a first buffering spring 3 and a second buffering spring 4;
wherein, first buffer spring 3 and second buffer spring 4 all set up in the installation cavity, and first buffer spring 3 and second buffer spring 4 all contradict with friction seat 2 axial.
The groove on the friction seat 2 is used for being matched with the steel ball, the friction seat 2 adopts a porous structure, so that the friction seat 2 can adsorb lubricating oil, when the steel ball and the friction seat 2 generate heat through friction, the pores are increased, and the lubricating oil overflows and can generate an oil film on the surface of the groove, so that the lubricating performance is improved, and the possibility of abrasion is reduced;
the friction seat 2 can axially slide relative to the mounting cavity, and the first buffer spring 3 and the second buffer spring 4 play roles in axially buffering and damping, so that the functionality of the bell-shaped shell is improved.
The chamber end of installation cavity is equipped with constant head tank 5, and the bottom of friction seat 2 is equipped with holding ring 6, 3 covers in the outside of second buffer spring 4 of first buffer spring, and 3 covers of first buffer spring are the toper structure, and outside the holding ring 6 of the tip and the cover of first buffer spring 3, conflict at the bottom of the main aspects of first buffer spring 3 and installation cavity, and the both ends of second buffer spring 4 are located constant head tank 5 respectively and in holding ring 6.
Example 2:
in this embodiment, in addition to the structural features of the foregoing embodiments, the inner wall of the mounting cavity is provided with a plurality of slots 7, and the outer wall of the friction seat 2 is provided with a fixture block 8 adapted to the slots 7.
Through the limit structure between the clamping groove 7 and the clamping block 8, the friction seat 2 can be prevented from moving relative to the shell 1, the connection stability between the friction seat and the shell is improved, and the circumferential rotation limiting effect is mainly played.
And an inner snap spring 9 for fixing the friction seat 2 is arranged on the inner wall of the port of the mounting cavity and used for achieving the axial limiting effect.
Still be equipped with the connecting pin 11 of being connected with friction seat 2 on the casing 1, further play the fixed action between casing 1 and friction seat 2, improve the installation stability between it.
Example 3:
an oil filling hole 10 communicated with the mounting cavity is further formed in the shell 1, and a plug is further arranged on the oil filling hole 10.
The oil filler point 10 is convenient for add lubricating oil to the installation intracavity, and the lubricating oil in the installation intracavity is easily adsorbed by friction seat 2 to improve the self-lubricating performance of friction seat 2, the end cap plays the shutoff effect.
The friction seat 2 is a sintered structure made by powder metallurgy.
The structure formed by sintering the iron-based powder and the copper-based powder can form a porous structure and has better structural strength, so that the powder is suitable for the product.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered by the protection scope of the utility model.
Claims (7)
1. An outer bell housing, characterized by: the method comprises the following steps:
the device comprises a shell (1), wherein a mounting cavity is arranged in the shell (1);
the friction seat (2) is arranged in the mounting cavity, and a plurality of channel grooves are formed in the friction seat (2);
the buffer device comprises a first buffer spring (3) and a second buffer spring (4);
wherein, first buffer spring (3) and second buffer spring (4) all set up in the installation intracavity, and just first buffer spring (3) and second buffer spring (4) all contradict with friction seat (2) axial.
2. An outer bell housing according to claim 1, wherein: the bottom of the cavity of the installation cavity is provided with a positioning groove (5), the bottom of the friction seat (2) is provided with a positioning ring (6), the first buffer spring (3) is sleeved outside the second buffer spring (4), the first buffer spring (3) is sleeved with a conical structure, the small end of the first buffer spring (3) is sleeved outside the positioning ring (6), the large end of the first buffer spring (3) is abutted against the bottom of the cavity of the installation cavity, and the two ends of the second buffer spring (4) are respectively positioned in the positioning groove (5) and the positioning ring (6).
3. An outer bell housing according to claim 1, wherein: the inner wall of the mounting cavity is provided with a plurality of clamping grooves (7), and the outer wall of the friction seat (2) is provided with clamping blocks (8) matched with the clamping grooves (7).
4. An outer bell housing according to claim 1, wherein: and an inner snap spring (9) for fixing the friction seat (2) is arranged on the inner wall of the port of the mounting cavity.
5. An outer bell housing according to claim 1, wherein: and the shell (1) is also provided with a connecting pin (11) connected with the friction seat (2).
6. An outer housing according to claim 5, wherein: an oil filling hole (10) communicated with the mounting cavity is further formed in the shell (1), and a plug is further arranged on the oil filling hole (10).
7. An outer bell housing according to claim 1, wherein: the friction seat (2) is a structure sintered by powder metallurgy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122676241.6U CN216447331U (en) | 2021-11-03 | 2021-11-03 | Bell shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122676241.6U CN216447331U (en) | 2021-11-03 | 2021-11-03 | Bell shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216447331U true CN216447331U (en) | 2022-05-06 |
Family
ID=81352210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122676241.6U Active CN216447331U (en) | 2021-11-03 | 2021-11-03 | Bell shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216447331U (en) |
-
2021
- 2021-11-03 CN CN202122676241.6U patent/CN216447331U/en active Active
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