CN220850384U - Combined guide bearing - Google Patents
Combined guide bearing Download PDFInfo
- Publication number
- CN220850384U CN220850384U CN202322859790.6U CN202322859790U CN220850384U CN 220850384 U CN220850384 U CN 220850384U CN 202322859790 U CN202322859790 U CN 202322859790U CN 220850384 U CN220850384 U CN 220850384U
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- Prior art keywords
- cylinder
- ring
- wall
- guide bearing
- internal thread
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- 239000002131 composite material Substances 0.000 claims abstract description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 13
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 13
- 241001330002 Bambuseae Species 0.000 claims description 13
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 13
- 239000011425 bamboo Substances 0.000 claims description 13
- 238000005096 rolling process Methods 0.000 claims description 9
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 238000010030 laminating Methods 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims 2
- 238000000034 method Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Bearings For Parts Moving Linearly (AREA)
Abstract
The utility model relates to the technical field of guide bearings, and discloses a composite guide bearing, which comprises a first cylinder, wherein an annular groove is formed in the surface of the first cylinder, a first circular ring is arranged on the inner wall of the annular groove in a fitting mode, a second cylinder is fixedly connected to the surface of the first circular ring, and inner thread cylinders are fixedly connected to the left side and the right side of the second cylinder. According to the utility model, the first cylinder, the annular groove, the first circular ring, the second cylinder, the internal thread cylinder, the external thread cylinder, the strip-shaped hole, the positioning block, the threaded hole, the stepped hole and the fixing bolt are arranged, wherein when a user rotates the second cylinder, the distance between the two bearing outer rings can be changed through the matching of the internal thread cylinder and the external thread cylinder, the length of the guide bearing is changed, and the length of the guide bearing can be adjusted according to different use requirements, so that the application range of the guide bearing is wider.
Description
Technical Field
The utility model relates to the technical field of guide bearings, in particular to a composite guide bearing.
Background
The guide bearing is a linear motion guide mechanism matched with the linear guide shaft. The steel balls roll circularly along the track grooves formed by the shell and the retainer, and the guide bearing makes linear reciprocating motion relative to the guide shaft. By rolling the steel balls, high-efficiency movement with low friction resistance can be realized.
Currently, a guide bearing on the market is generally composed of a bearing outer ring, a retainer and a spherical rolling element, for example, a guide bearing disclosed in chinese patent publication No. CN 202158080U. However, when in use, the length of the guide bearing is fixed, so that the application range of the guide bearing is single.
Disclosure of utility model
The utility model aims to solve the defects existing in the prior art, such as: currently, a guide bearing on the market is generally composed of a bearing outer ring, a retainer and a spherical rolling element, for example, a guide bearing disclosed in chinese patent publication No. CN 202158080U. However, when the combined type guide bearing is used, the length of the guide bearing is fixed, so that the application range of the guide bearing is single, and the combined type guide bearing is provided.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The utility model provides a combined type guide bearing, includes first drum, the ring channel has been seted up to the surface of first drum, the inner wall laminating of ring channel is provided with first ring, the fixed surface of first ring is connected with the second drum, the equal fixedly connected with internal thread section of thick bamboo in the left and right sides of second drum, the inner wall threaded connection of internal thread section of thick bamboo has an external thread section of thick bamboo, the inner wall and the surface contact of first drum of external thread section of thick bamboo, the bar hole has all been seted up to the upper and lower both sides of external thread section of thick bamboo, the equal fixedly connected with locating piece in upper and lower both sides of first drum, the surface and the inner wall contact of bar hole of locating piece, the side fixedly connected with first retaining ring of external thread section of thick bamboo, the side fixedly connected with bearing outer lane of first retaining ring, the side of second retaining ring and the side of first retaining ring all are laminated and are provided with the holder, the inner wall of holder and the inner wall of bearing all are provided with spherical rolling element, the inside of locating piece has the screw hole, the shoulder is set up down the inner wall of ladder section of thick bamboo has the screw hole, the screw bolt is connected with the screw hole.
Preferably, the side surface of the first check ring and the surface of the external thread cylinder are fixedly connected with reinforcing rings.
Preferably, the number of the internal thread barrels is two, and the directions of threads in the two internal thread barrels are opposite.
Preferably, the arc-shaped grooves are formed in the left side and the right side of the first circular ring, the second circular ring is fixedly connected to the inner wall of the first cylinder, a round hole is formed in the second circular ring, an elastic rubber ball is bonded to the inner wall of the round hole, and the surface of the elastic rubber ball is in contact with the inner wall of the arc-shaped groove.
Preferably, the centers of the internal thread cylinder, the second cylinder, the first retainer ring, the bearing outer ring and the second retainer ring are all on the same horizontal line, and the external diameters of the internal thread cylinder, the second cylinder, the first retainer ring, the bearing outer ring and the second retainer ring are all equal.
Preferably, grooves are formed in the upper side and the lower side of the second cylinder.
Compared with the prior art, the utility model has the beneficial effects that:
(1) According to the utility model, the first cylinder, the annular groove, the first circular ring, the second cylinder, the internal thread cylinder, the external thread cylinder, the strip-shaped hole, the positioning block, the threaded hole, the stepped hole and the fixing bolt are arranged, wherein when a user rotates the second cylinder, the distance between the two bearing outer rings can be changed through the matching of the internal thread cylinder and the external thread cylinder, the length of the guide bearing is changed, and the length of the guide bearing can be adjusted according to different use requirements, so that the application range of the guide bearing is wider.
(2) According to the utility model, the arc-shaped groove, the second circular ring, the round hole and the elastic rubber ball are arranged, wherein when the elastic rubber ball is in contact with the arc-shaped groove, the resistance born by the second cylinder during rotation is increased through the cooperation of the elastic rubber ball and the arc-shaped groove, and meanwhile, when the elastic rubber ball is in contact with the arc-shaped groove, the threaded hole is aligned with the stepped hole, and further, through the cooperation of the arc-shaped groove, the second circular ring, the round hole and the elastic rubber ball, a user can intuitively judge whether the threaded hole is aligned with the stepped hole or not, so that the user is more convenient to align the threaded hole with the stepped hole.
Drawings
FIG. 1 is a schematic illustration of the structure of the present utility model;
FIG. 2 is an enlarged view of the utility model at A in FIG. 1;
FIG. 3 is a front view of the structure of the present utility model;
FIG. 4 is a front view of the first cylinder of the present utility model;
FIG. 5 is a side view of a first ring of the present utility model;
FIG. 6 is a top view of a second cylinder of the present utility model;
FIG. 7 is a top view of an external thread cartridge of the present utility model;
fig. 8 is a side view of a second ring of the present utility model.
In the figure: 1. a first cylinder; 2. an annular groove; 3. a first ring; 4. a second cylinder; 5. an internal thread cylinder; 6. an external thread cylinder; 7. a bar-shaped hole; 8. a positioning block; 9. a first retainer ring; 10. a bearing outer ring; 11. the second check ring; 12. a retainer; 13. spherical rolling bodies; 14. a threaded hole; 15. a stepped hole; 16. a fixing bolt; 17. a reinforcing ring; 18. an arc-shaped groove; 19. a second ring; 20. a round hole; 21. an elastic rubber ball; 22. a groove.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Embodiment one:
Referring to fig. 1-7, a composite guide bearing comprises a first cylinder 1, an annular groove 2 is formed on the surface of the first cylinder 1, a first circular ring 3 is arranged on the inner wall of the annular groove 2 in a fitting manner, a second cylinder 4 is fixedly connected to the surface of the first circular ring 3, through the cooperation of the annular groove 2 and the first circular ring 3, the position of the first cylinder 1 in the second cylinder 4 cannot be changed, two inner thread cylinders 5 are fixedly connected to the left side and the right side of the second cylinder 4, the number of the inner thread cylinders 5 is two, the directions of threads in the two inner thread cylinders 5 are opposite, an outer thread cylinder 6 is connected to the inner wall of the inner thread cylinder 5 in a threaded manner, the inner wall of the outer thread cylinder 6 is in contact with the surface of the first cylinder 1, strip-shaped holes 7 are formed on the upper side and the lower side of the outer thread cylinder 6, positioning blocks 8 are fixedly connected to the upper side and the lower side of the first cylinder 1, the surface of the positioning blocks 8 is in contact with the inner wall of the strip-shaped holes 7, through the matching of the positioning block 8 and the strip-shaped hole 7, the external thread cylinder 6 can not rotate along with the internal thread cylinder 5, the side surface of the external thread cylinder 6 is fixedly connected with the first check ring 9, the side surface of the first check ring 9 and the surface of the external thread cylinder 6 are fixedly connected with the reinforcing ring 17, the side surface of the first check ring 9 is fixedly connected with the bearing outer ring 10, the side surface of the bearing outer ring 10 is fixedly connected with the second check ring 11, the centers of the internal thread cylinder 5, the second cylinder 4, the first check ring 9, the bearing outer ring 10 and the second check ring 11 are all on the same horizontal line, the outer diameters of the internal thread cylinder 5, the second cylinder 4, the first check ring 9, the bearing outer ring 10 and the second check ring 11 are all equal, the side surface of the second check ring 11 and the side surface of the first check ring 9 are all attached to the retainer 12, the inner wall of the retainer 12 and the inner wall of the bearing outer ring 10 are all provided with the spherical rolling bodies 13, the spherical roller body is clamped in the bearing outer ring 10 through the retainer 12, the retainer 12 is positioned through the first retainer ring 9 and the second retainer ring 11, the threaded hole 14 is formed in the inner portion of the positioning block 8, the stepped holes 15 are formed in the upper side and the lower side of the inner threaded cylinder 5, the fixing bolts 16 are arranged on the inner walls of the stepped holes 15 in a fitting mode, the surfaces of the fixing bolts 16 are in threaded connection with the inner walls of the threaded holes 14, after the fixing bolts 16 are screwed in the threaded holes 14, the inner threaded cylinder 5 cannot rotate through the cooperation of the fixing bolts 16 and the threaded holes 14, after the fixing bolts 16 are separated from the threaded holes 14, the inner threaded cylinder 5 can rotate freely, the grooves 22 are formed in the upper side and the lower side of the second cylinder 4, and a user can clamp the second cylinder 4 through the grooves 22 when using a wrench, and the second cylinder 4 cannot slide in the wrench.
Embodiment two:
Referring to fig. 1-8, arc grooves 18 are formed in the left side and the right side of the first circular ring 3, a second circular ring 19 is fixedly connected to the inner wall of the first cylinder 1, a round hole 20 is formed in the second circular ring 19, an elastic rubber ball 21 is bonded to the inner wall of the round hole 20, and the surface of the elastic rubber ball 21 is in contact with the inner wall of the arc groove 18.
Through setting up arc wall 18, second ring 19, round hole 20 and elastic rubber ball 21, wherein, when elastic rubber ball 21 and arc wall 18 contact, through the cooperation of elastic rubber ball 21 and arc wall 18, make the resistance that the second cylinder received when rotating increase, simultaneously, when elastic rubber ball 21 and arc wall 18 contact, screw hole 14 aligns with shoulder hole 15, and then through the cooperation of arc wall 18, second ring 19, round hole 20 and elastic rubber ball 21, whether the messenger user can intuitively judge between screw hole 14 and the shoulder hole 15 aligns, thereby it is more convenient when aligning screw hole 14 and shoulder hole 15 to make the user.
In the present utility model, when the length of the guide bearing is adjusted, the user screws the fixing bolt 16 out of the threaded hole 14, then rotates the second cylinder 4 to rotate the internal thread cylinder 5, at this time, the distance between the two bearing outer rings 10 is changed by the cooperation of the internal thread cylinder 5 and the external thread cylinder 6, the length of the guide bearing is changed, after the length of the guide bearing is adjusted to a proper size, the stepped hole 15 is aligned with the threaded hole 14, and the fixing bolt 16 is screwed into the threaded hole 14, at this time, the internal thread cylinder 5 is locked by the cooperation of the threaded hole 14 and the fixing bolt 16, and the length of the guide bearing cannot be changed.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Claims (6)
1. The utility model provides a combined type guide bearing, includes first drum (1), its characterized in that, ring channel (2) have been seted up on the surface of first drum (1), the laminating of the inner wall of ring channel (2) is provided with first ring (3), the fixed surface of first ring (3) is connected with second drum (4), the equal fixedly connected with internal thread section of thick bamboo (5) in the left and right sides of second drum (4), the inner wall threaded connection of internal thread section of thick bamboo (5) has external thread section of thick bamboo (6), the inner wall of external thread section of thick bamboo (6) and the surface contact of first drum (1), bar hole (7) have all been seted up to the upper and lower both sides of external thread section of thick bamboo (6), the surface and the inner wall contact of bar hole (7) of locating piece (8), the side fixedly connected with first retaining ring (9) of external thread section of thick bamboo (6), the side fixedly connected with bearing (10) of first retaining ring (9), the inner wall (12) of retainer (12) and the equal rolling stock (12) of the equal rolling stock of rolling stock (12), threaded holes (14) are formed in the positioning block (8), stepped holes (15) are formed in the upper side and the lower side of the internal thread cylinder (5), fixing bolts (16) are arranged on the inner walls of the stepped holes (15) in a fitting mode, and the surfaces of the fixing bolts (16) are in threaded connection with the inner walls of the threaded holes (14).
2. A compound guide bearing according to claim 1, characterized in that the side of the first retainer ring (9) and the surface of the external thread cylinder (6) are both fixedly connected with reinforcing rings (17).
3. A compound guide bearing according to claim 1, characterized in that the number of internal thread cylinders (5) is two and that the thread directions in the two internal thread cylinders (5) are opposite.
4. The composite guide bearing according to claim 1, wherein the arc-shaped grooves (18) are formed in the left side and the right side of the first circular ring (3), the second circular ring (19) is fixedly connected to the inner wall of the first cylinder (1), the round hole (20) is formed in the second circular ring (19), the elastic rubber ball (21) is adhered to the inner wall of the round hole (20), and the surface of the elastic rubber ball (21) is in contact with the inner wall of the arc-shaped groove (18).
5. A composite guide bearing according to claim 1, characterized in that the centers of the internal thread cylinder (5), the second cylinder (4), the first retainer ring (9), the bearing outer ring (10) and the second retainer ring (11) are all on the same horizontal line, and the external diameters of the internal thread cylinder (5), the second cylinder (4), the first retainer ring (9), the bearing outer ring (10) and the second retainer ring (11) are all equal.
6. A composite guide bearing according to claim 1, wherein grooves (22) are formed in the upper and lower sides of the second cylinder (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322859790.6U CN220850384U (en) | 2023-10-24 | 2023-10-24 | Combined guide bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322859790.6U CN220850384U (en) | 2023-10-24 | 2023-10-24 | Combined guide bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220850384U true CN220850384U (en) | 2024-04-26 |
Family
ID=90742455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322859790.6U Active CN220850384U (en) | 2023-10-24 | 2023-10-24 | Combined guide bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220850384U (en) |
-
2023
- 2023-10-24 CN CN202322859790.6U patent/CN220850384U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |