CN217842390U - Shaft sleeve with steel bar and gear - Google Patents
Shaft sleeve with steel bar and gear Download PDFInfo
- Publication number
- CN217842390U CN217842390U CN202221187380.0U CN202221187380U CN217842390U CN 217842390 U CN217842390 U CN 217842390U CN 202221187380 U CN202221187380 U CN 202221187380U CN 217842390 U CN217842390 U CN 217842390U
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- gear
- annular part
- main body
- steel bar
- positioning hole
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Abstract
The utility model discloses a shaft sleeve with a steel bar and a gear, which comprises a main body, and the steel bar and the gear which are arranged on the main body; the main body is provided with an installation cavity, the outer side wall of the main body is provided with a first annular part and a second annular part, the first annular part and the second annular part are arranged at intervals along the axial direction, the first annular part is provided with a first positioning hole, the second annular part is provided with a second positioning hole, and a yielding port is formed between the first annular part and the second annular part on the main body and communicated with the installation cavity; the gear is positioned at the abdication port, part of the gear extends into the mounting cavity, and part of the gear extends out of the abdication port; one end of the steel bar is positioned in the first positioning hole, and the other end of the steel bar penetrates through the gear to be positioned in the second positioning hole; therefore, the shaft sleeve can be directly used for being connected with an external structure due to the steel bar and the gear, the use is convenient, and the structure is not required to be additionally designed to position the gear when the shaft sleeve is connected with the external structure, so that the assembly structure can be simplified, the assembly efficiency is improved, the structural design is ingenious and reasonable, and the stable positioning of the gear can be ensured.
Description
Technical Field
The utility model belongs to the technical field of the axle sleeve technique and specifically relates to indicate an axle sleeve of belted steel stick and gear.
Background
The shaft sleeve is a cylindrical mechanical part sleeved on the rotating shaft and is a component of the sliding bearing. Typically, the sleeve is an interference fit with the bearing seat and a clearance fit with the shaft. In the design of the revolute pair, in order to protect the pivot from being abraded, a shaft sleeve can be arranged on the pivot, and the shaft sleeve has various structures and accordingly is diversified, for example, a shaft with meshing teeth arranged in the circumferential direction of the shaft needs to be matched with a gear for transmission, in order to ensure the positioning and rotation of the shaft, the shaft sleeve is coated outside the shaft sleeve to enable the shaft and the shaft sleeve to be combined into a whole, and the positioning of the gear needs to be designed when the shaft is used for connecting with an external structure due to the fact that the shaft needs to be matched with the gear, and a positioning structure is usually designed in the external structure to achieve the positioning of the gear, so that the whole assembly structure is complex, the assembly efficiency is low, the whole design cost is high, and the shaft sleeve cannot be provided with the gear positioning structure and the gear.
Therefore, a new technology needs to be developed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model discloses to the disappearance that prior art exists, its main objective provides a shaft sleeve of belted steel stick and gear, and it can make the shaft sleeve from belted steel stick and gear, can directly be used for being connected with exterior structure, facilitates the use, need not to design the structure separately with the location gear when being connected with exterior structure to can simplify packaging structure, improve packaging efficiency, and structural design is ingenious reasonable, can guarantee the firm location of gear, and simple structure, easily preparation and equipment.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a shaft sleeve with a steel bar and a gear comprises a main body, and the steel bar and the gear are arranged on the main body;
the main body is provided with an installation cavity which extends along the axial direction of the main body and penetrates through two ends of the main body, a first annular part and a second annular part are arranged on the outer side wall of the main body, the first annular part and the second annular part are arranged at intervals along the axial direction, the first annular part is provided with a first positioning hole which extends along the axial direction and penetrates through two ends of the first annular part, the second annular part is provided with a second positioning hole which extends along the axial direction and penetrates through two ends of the second annular part, a yielding port is formed on the main body between the first annular part and the second annular part, and the yielding port is communicated with the installation cavity; the gear is positioned at the abdication port, part of the gear extends into the mounting cavity, and part of the gear extends out of the abdication port; one end of the steel bar is positioned in the first positioning hole, and the other end of the steel bar penetrates through the gear to be positioned in the second positioning hole.
Preferably, the gear is provided with a through hole which extends along the axial direction and penetrates through two ends of the gear, and the other end of the steel bar penetrates through the through hole to be positioned in the second positioning hole.
Preferably, a limiting portion is formed on the outer side wall of the main body on one side of the second annular portion facing the first annular portion, the limiting portion extends along the axial direction, the limiting portion has a limiting groove extending along the axial direction, and the limiting groove is communicated with the second positioning hole and the relief opening.
As a preferable scheme, a clearance groove is formed on the outer side wall of the main body on one side of the second annular part, which is back to the first annular part, and the clearance groove extends along the axial direction and is communicated with the second positioning hole.
As a preferred scheme, the lateral wall of main part is provided with a plurality of strengthening ribs on the second annular portion one side that dorsad first annular portion, and every strengthening rib all extends along the axial, and every strengthening rib all connects in second annular portion, and a plurality of strengthening ribs are arranged along circumference interval in proper order.
As a preferable scheme, a third annular portion is formed on the outer side wall of the main body on the side of the first annular portion facing away from the second annular portion, the first positioning hole penetrates through to the side of the third annular portion facing away from the first annular portion, the third annular portion and the outer side wall of the main body are arranged at a distance, and the third annular portion and the outer side wall of the main body are connected through a plurality of connecting arms.
As a preferred scheme, first locating hole link up to its linking arm, be formed with the groove of stepping down on the lateral wall of main part, the groove of stepping down communicates in first locating hole.
Compared with the prior art, the utility model obvious advantage and beneficial effect have, particularly, can know by above-mentioned technical scheme, it mainly is through setting up the rod iron in the main part, the gear, can make the axle sleeve from taking rod iron and gear, can directly be used for being connected with exterior structure, facilitate the use, need not separately the project organization with the positioning gear when being connected with exterior structure, thereby can simplify the package assembly, improve the packaging efficiency, and structural design is ingenious reasonable, and, through setting up first annular portion in the main part, the second annular portion, and make first annular portion, the second annular portion has first locating hole respectively, the second locating hole, the one end that makes the rod iron is positioned in first locating hole, the other end passes the gear and is positioned in the second locating hole, so, can guarantee the firm location of gear, and simple structure, easily preparation and equipment.
To illustrate the structural features and technical means of the present invention more clearly and for a specific purpose and function, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is a perspective view of the overall structure of the embodiment of the present invention;
fig. 2 is a perspective view of another angle overall structure of the embodiment of the present invention;
fig. 3 is a left side view of an embodiment of the present invention;
fig. 4 is an exploded view of an embodiment of the invention;
fig. 5 is another exploded view of an embodiment of the present invention;
fig. 6 is a cross-sectional view of an embodiment of the invention.
The attached drawings indicate the following:
10. main part 11, installation cavity
12. First annular part 121, first positioning hole
13. Second annular portion 131 and second positioning hole
14. Let position mouth 15, spacing portion
151. Spacing groove 16 and avoiding groove
17. The reinforcing rib 18, the third annular portion
19. Connecting arm 101, abdicating groove
102. Fourth annular portion 20, steel bar
30. Gear 31, through hole.
Detailed Description
Fig. 1 to 6 show specific structures of embodiments of the present invention.
A shaft sleeve with a steel bar and a gear comprises a main body 10, and the steel bar 20 and the gear 30 which are arranged on the main body 10; the gear 30 has the through-hole 31 along axial extension and through gear 30 both ends, wherein, the main part 10 has the installation cavity 11 that just link up the main part 10 both ends along main part 10 axial extension, and the lateral wall of this main part 10 is provided with first annular portion 12, second annular portion 13, and this first annular portion 12 arranges along axial interval with second annular portion 13, one side that second annular portion 13 dorsad first annular portion 12 is provided with a plurality of strengthening ribs 17 on the lateral wall of main part 10, and every strengthening rib 17 all extends along the axial, and every strengthening rib 17 homogeneous body coupling is in second annular portion 13, and a plurality of strengthening ribs 17 arrange along circumference interval in proper order.
In this embodiment, a third annular portion 18 is formed on an outer side wall of the main body 10 of a side of the first annular portion 12 facing away from the second annular portion 13, the third annular portion 18 is integrally connected to the first annular portion 12, the first positioning hole 121 penetrates through to a side of the third annular portion 18 facing away from the first annular portion 12, the third annular portion 18 is spaced apart from the outer side wall of the main body 10, and the third annular portion 18 is connected to the outer side wall of the main body 10 by a plurality of connecting arms 19. Thus, the first annular portion 12 is combined with the third annular portion 18 to be protruded on the outer side wall of the main body 10, so that the steel bar 20 can be more smoothly assembled without causing excessive influence on the main body 10 during assembly, and the connection stability of the third annular portion 18 and the main body 10 can be ensured by the connecting arm 19.
In this embodiment, the first annular portion 12 has a first positioning hole 121 extending along the axial direction and penetrating through two ends of the first annular portion 12, the second annular portion 13 has a second positioning hole 131 extending along the axial direction and penetrating through two ends of the second annular portion 13, a limiting portion 15 is formed on the outer sidewall of the main body 10 on one side of the second annular portion 13 facing the first annular portion 12, the limiting portion 15 extends along the axial direction, the limiting portion 15 has a limiting groove 151 extending along the axial direction, a relief opening 14 is formed on the main body 10 between the first annular portion 12 and the second annular portion 13, the relief opening 14 is communicated with the mounting cavity 11, and the limiting groove 151 is communicated with the second positioning hole 131 and the relief opening 14; the gear 30 is positioned at the allowance opening 14, and partially extends into the installation cavity 11 and partially extends out of the allowance opening 14; one end of the steel bar 20 is positioned in the first positioning hole 121, and the other end thereof sequentially passes through the through hole 31 of the gear 30 and the limiting groove 151 to be positioned in the second positioning hole 131. Thus, the gear 30 is arranged at the position giving opening 14, so that the gear 30 can be respectively meshed with the shaft in the shaft sleeve and the external structure, transmission is guaranteed, the steel bar 20 penetrates through the gear 30, the two ends of the steel bar 20 are respectively positioned in the first positioning hole 121 and the second positioning hole 131, and the gear 30 can be stably positioned.
In this embodiment, a clearance groove 16 is formed on an outer side wall of the main body 10 of a side of the second annular portion 13 opposite to the first annular portion 12, the clearance groove 16 extends along an axial direction, and the clearance groove 16 is communicated with the second positioning hole 131. Therefore, the arrangement of the avoiding groove 16 is beneficial to the smooth disassembly of the detachable steel bar 20.
And, in this embodiment, the first positioning hole 121 is communicated with the connecting arm 19, an abdicating groove 101 is formed on the outer side wall of the main body 10, the abdicating groove 101 is located on one side of the third annular portion 18 opposite to the first annular portion 12, and the abdicating groove 101 is communicated with the first positioning hole 121. Thus, the steel bar 20 can be inserted more conveniently through the arrangement of the abdicating groove 101.
In the present embodiment, a fourth annular portion 102 is formed on an outer side wall of the main body 10 of a side of the second annular portion 13 facing away from the first annular portion 12, the fourth annular portion 102 is integrally connected to the second annular portion 13, and the reinforcing ribs 17 are formed on an outer side wall of the fourth annular portion 102; the avoiding groove 16 is formed on the outer side wall of the fourth annular portion 102 and extends to the end face of the fourth annular portion 102 on the side opposite to the second annular portion 13; thus, the disassembly of the steel bar 20 is more facilitated.
To sum up, the utility model discloses a design focus lies in, it mainly is through setting up the rod iron in the main part, the gear, can make the axle sleeve from taking rod iron and gear, can directly be used for being connected with exterior structure, facilitate the use, need not to design the structure separately with the positioning gear when being connected with exterior structure, thereby can simplify the package assembly, improve the packaging efficiency, and structural design is ingenious reasonable, and, through setting up first annular portion in the main part, second annular portion, and make first annular portion, second annular portion has first locating hole respectively, the second locating hole, make the one end of rod iron be located in first locating hole, the other end passes the gear and is located in the second locating hole, so, can guarantee the firm location of gear, and simple structure, easily preparation and equipment.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention are all within the scope of the technical solution of the present invention.
Claims (7)
1. The utility model provides a shaft sleeve of belted steel stick and gear which characterized in that: comprises a main body, a steel bar and a gear, wherein the steel bar and the gear are arranged on the main body;
the main body is provided with an installation cavity which extends along the axial direction of the main body and penetrates through two ends of the main body, the outer side wall of the main body is provided with a first annular part and a second annular part, the first annular part and the second annular part are arranged at an interval along the axial direction, the first annular part is provided with a first positioning hole which extends along the axial direction and penetrates through two ends of the first annular part, the second annular part is provided with a second positioning hole which extends along the axial direction and penetrates through two ends of the second annular part, a yielding port is formed between the first annular part and the second annular part on the main body, and the yielding port is communicated with the installation cavity; the gear is positioned at the abdicating opening, partially extends into the mounting cavity and partially extends out of the abdicating opening; one end of the steel bar is positioned in the first positioning hole, and the other end of the steel bar penetrates through the gear to be positioned in the second positioning hole.
2. The shaft sleeve with the steel bar and the gear as claimed in claim 1, wherein: the gear has along axial extension and link up the through-hole at gear both ends, the other end of rod iron passes the through-hole and is positioned in the second locating hole.
3. The shaft sleeve with the steel bar and the gear as claimed in claim 1, wherein: the second annular part is formed with a limiting part on the outer side wall of the main body towards one side of the first annular part, the limiting part extends along the axial direction, the limiting part is provided with a limiting groove extending along the axial direction, and the limiting groove is communicated with the second positioning hole and the position-giving opening.
4. The shaft sleeve with the steel bar and the gear as claimed in claim 1, wherein: and a avoiding groove is formed in the outer side wall of the main body on one side of the second annular part back to the first annular part, extends along the axial direction and is communicated with the second positioning hole.
5. The bushing of claim 1, wherein: one side of second annular portion first annular portion dorsad is provided with a plurality of strengthening ribs on the lateral wall of main part, and every strengthening rib all follows axial extension, and every strengthening rib all connects in second annular portion, and a plurality of strengthening ribs are arranged along circumference interval in proper order.
6. The bushing of claim 1, wherein: one side of the first annular part back to the second annular part is formed with a third annular part on the outer side wall of the main body, the first positioning hole penetrates through one side of the third annular part back to the first annular part, the third annular part and the outer side wall of the main body are arranged at intervals, and the third annular part and the outer side wall of the main body are connected through a plurality of connecting arms.
7. The shaft sleeve with the steel bar and the gear as claimed in claim 6, wherein: the first locating hole is communicated with the connecting arm, a yielding groove is formed in the outer side wall of the main body and communicated with the first locating hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221187380.0U CN217842390U (en) | 2022-05-18 | 2022-05-18 | Shaft sleeve with steel bar and gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221187380.0U CN217842390U (en) | 2022-05-18 | 2022-05-18 | Shaft sleeve with steel bar and gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217842390U true CN217842390U (en) | 2022-11-18 |
Family
ID=84019345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221187380.0U Active CN217842390U (en) | 2022-05-18 | 2022-05-18 | Shaft sleeve with steel bar and gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217842390U (en) |
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2022
- 2022-05-18 CN CN202221187380.0U patent/CN217842390U/en active Active
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