CN215596342U - Can eliminate and be connected stability's of improvement with gear joint clearance gear shaft - Google Patents
Can eliminate and be connected stability's of improvement with gear joint clearance gear shaft Download PDFInfo
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- CN215596342U CN215596342U CN202122230842.4U CN202122230842U CN215596342U CN 215596342 U CN215596342 U CN 215596342U CN 202122230842 U CN202122230842 U CN 202122230842U CN 215596342 U CN215596342 U CN 215596342U
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Abstract
The utility model discloses a gear shaft capable of eliminating a gear connection clearance and improving connection stability, which comprises a main shaft connecting shaft, wherein a gear sleeve is sleeved on the main shaft connecting shaft, a limiting device is connected between two ends of the gear sleeve and the main shaft connecting shaft, a plurality of strip-shaped gear teeth are arranged on the gear sleeve, the limiting device comprises a cavity in the gear sleeve, positioning thread grooves are arranged at two ends of the cavity in the gear sleeve, a first internal thread is arranged on the inner wall of the cavity, a threaded hole is arranged on one side wall of each positioning thread groove, positioning connecting sleeves matched with the positioning thread grooves are arranged at two ends of the gear sleeve, and a first connecting thread is arranged on the inner wall of a penetrating cavity, so that the gear shaft has the advantages that: the device is simple in structure and convenient to use, can effectively increase the stability of the device in connection and use, can facilitate the replacement of the gear sleeve, prevents the whole device from being replaced due to abrasion, and saves the cost.
Description
Technical Field
The utility model relates to the technical field of mechanical parts, in particular to a gear shaft capable of eliminating a connection gap between the gear shaft and a gear and improving connection stability.
Background
Gear shaft refers to a mechanical part that supports and rotates with a rotating part to transmit motion, torque, or bending moment. Typically in the form of a metal rod, each section may have a different diameter. The parts of the machine that rotate are mounted on the shaft. The shaft can be divided into a crankshaft and a straight shaft according to the shape of the shaft line. According to the bearing condition of the shaft, the method can be divided into the following steps: the rotating shaft bears bending moment and torque during working, and is the most common shaft in machinery, such as shafts in various speed reducers and the like; the mandrel is used for supporting the rotating parts to only bear bending moment and not transmit torque, some mandrels rotate, such as the shaft of a railway vehicle, and other mandrels do not rotate, such as the shaft of a supporting pulley; and the transmission shaft is mainly used for transmitting torque without bearing bending moment, such as a long optical shaft in a crane moving mechanism, a driving shaft of an automobile and the like.
The existing gear shaft is generally integrated by combining a shaft and a gear, the shaft and the gear are fixed together, and the gear is easily abraded after being used for a long time in such a way, so that the shaft cannot be used along with the gear, a new gear shaft needs to be replaced, and great waste is caused.
An effective solution to the problems in the related art has not been proposed yet.
SUMMERY OF THE UTILITY MODEL
In view of the problems in the related art, the present invention provides a gear shaft capable of eliminating the gap between the gear shaft and the gear to improve the connection stability, so as to overcome the above technical problems in the related art.
The technical scheme of the utility model is realized as follows:
a gear shaft capable of eliminating a connection gap between the gear shaft and a gear and improving connection stability comprises a main shaft connecting shaft, wherein a gear sleeve is sleeved on the main shaft connecting shaft, a limiting device is connected between two ends of the gear sleeve and the main shaft connecting shaft, a plurality of strip-shaped gear teeth are arranged on the gear sleeve, the limiting device comprises a cavity in the gear sleeve, positioning thread grooves are arranged at two ends of the cavity on the gear sleeve, a first internal thread is arranged on the inner wall of the cavity, a threaded hole is formed in one side wall of each positioning thread groove, positioning connecting sleeves matched with the positioning thread grooves are arranged at two ends of the gear sleeve, a through cavity is arranged in each positioning connecting sleeve, a first connecting thread is arranged on the inner wall of each through cavity, mounting holes are formed in the upper side and the lower side of each through cavity of each positioning connecting sleeve, mounting screws are arranged on the mounting holes, the surface of the spindle connecting shaft is provided with a first external thread matched with the first internal thread, two ends of the spindle connecting shaft are integrally connected with a positioning rod, and a second connecting thread matched with the first connecting thread is arranged outside the positioning rod.
Furthermore, an installation shaft is arranged at one end, far away from the main shaft connecting shaft, of the positioning rod, and a key groove is formed in the installation shaft.
Furthermore, wear-resistant coatings are arranged on the spindle connecting shaft, the gear sleeve and the positioning rod.
Furthermore, a layer of inner heat insulation plate is pressed in the gear sleeve.
Further, the mounting screw extends through the mounting hole and into the threaded hole.
The utility model provides a gear shaft which can eliminate a connecting gap between the gear shaft and a gear and improve the connecting stability, and has the following beneficial effects:
(1) the gear sleeve is sleeved on the main shaft connecting shaft, the limiting devices are connected between the two ends of the gear sleeve and the main shaft connecting shaft, and the gear sleeve is provided with a plurality of bar-shaped gear teeth.
(2) Keep away from at the locating lever the one end of main shaft connecting axle all is equipped with the installation axle, install the epaxial keyway that is equipped with, stability when further improving its use.
(3) The spindle connecting shaft, the gear sleeve and the positioning rod are all provided with wear-resistant coatings, so that the overall wear resistance of the spindle connecting shaft, the gear sleeve and the positioning rod is improved, and the service life of the spindle connecting shaft is greatly prolonged.
(4) The gear shaft is internally pressed with a layer of inner heat insulation plate, so that when the gear shaft works for a long time, the heat transfer of the gear shaft is reduced to the maximum extent, and the service life of the gear shaft is prolonged.
(5) And the mounting screw penetrates through the mounting hole and extends into the threaded hole, so that the positioning connecting sleeve is conveniently mounted and fixed in the positioning threaded groove.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a front view of a gear shaft capable of improving coupling stability by eliminating a coupling gap with a gear according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a gear sleeve in a gear shaft capable of improving coupling stability by eliminating a coupling gap with a gear according to an embodiment of the present invention;
fig. 3 is a structural view of a main shaft connecting shaft in a gear shaft capable of improving connection stability by eliminating a gap in connection with a gear according to an embodiment of the present invention;
fig. 4 is a front view of a gear sleeve in a gear shaft capable of improving coupling stability by eliminating a coupling gap with a gear according to an embodiment of the present invention.
In the figure:
1. a main shaft connecting shaft; 2. a limiting device; 3. a gear sleeve; 4. bar-shaped gear teeth; 5. a cavity; 6. positioning a thread groove; 7. a first internal thread; 8. a threaded hole; 9. positioning the connecting sleeve; 10. a through cavity; 11. connecting the first screw thread; 12. mounting holes; 13. mounting screws; 14. the first external thread; 15. positioning a rod; 16. connecting a second thread; 17. installing a shaft; 18. a keyway; 19. an insulating panel.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.
The utility model is further described with reference to the following drawings and detailed description:
the first embodiment is as follows:
referring to fig. 1-4, a gear shaft capable of eliminating a gap between the gear shaft and a gear and improving connection stability according to an embodiment of the present invention includes a main shaft connecting shaft 1, a gear sleeve 3 is sleeved on the main shaft connecting shaft 1, a limiting device 2 is connected between two ends of the gear sleeve 3 and the main shaft connecting shaft 1, a plurality of bar-shaped gear teeth 4 are disposed on the gear sleeve 3, the limiting device 2 includes a cavity 5 in the gear sleeve 3, positioning thread grooves 6 are disposed at two ends of the cavity 5 on the gear sleeve 3, an internal thread 1 is disposed on an inner wall of the cavity 5, a threaded hole 8 is disposed on a side wall of the positioning thread groove 6, positioning connecting sleeves 9 matched with the positioning thread grooves 6 are disposed at two ends of the gear sleeve 3, a through cavity 10 is disposed in the positioning connecting sleeves 9, and a connecting thread 11 is disposed on an inner wall of the through cavity 10, the positioning connecting sleeve 9 is located the upper and lower both sides of running through chamber 10 are equipped with mounting hole 12, be equipped with mounting screw 13 on the mounting hole 12, spindle connecting axle 1 surface be equipped with internal thread 7 assorted external screw thread 14, spindle connecting axle 1's both ends body coupling has locating lever 15, locating lever 15 be equipped with outward with connecting thread 11 assorted connecting thread two 16.
According to the scheme of the utility model, the gear sleeve 3 is sleeved on the main shaft connecting shaft 1, the limiting devices 2 are connected between two ends of the gear sleeve 3 and the main shaft connecting shaft 1, the gear sleeve 3 is provided with a plurality of strip-shaped gear teeth 4, the limiting devices 2 comprise the cavity 5 in the gear sleeve 3, the two ends of the gear sleeve 3, which are positioned in the cavity 5, are provided with the positioning thread grooves 6, the inner wall of the cavity 5 is provided with the first internal thread 7, one side wall of the positioning thread groove 6 is provided with the threaded hole 8, two ends of the gear sleeve 3 are provided with the positioning connecting sleeves 9 which are matched with the positioning thread grooves 6, the positioning connecting sleeves 9 are internally provided with the penetrating cavities 10, the inner wall of the penetrating cavities 10 is provided with the first connecting threads 11, the positioning connecting sleeves 9 are provided with the mounting holes 12 which are positioned at the upper and lower sides of the penetrating cavities 10, and the mounting holes 12 are provided with the mounting screws 13, the surface of the spindle connecting shaft 1 is provided with an external thread I14 matched with the internal thread I7, two ends of the spindle connecting shaft 1 are integrally connected with a positioning rod 15, a connecting thread II 16 matched with the connecting thread I11 is arranged outside the positioning rod 15, when the device is used, the gear sleeve 3 is sleeved on the spindle connecting shaft 1 under the action of the internal thread I7 and the external thread I14, the positioning connecting sleeve 9 is rotated into the positioning thread groove 6, the mounting screw 13 penetrates through the mounting hole 12 and extends into the threaded hole 8 under the action of the mounting screw 13, the mounting and fixing of the gear sleeve 3 can be realized, the stability of the device in work can be ensured, when the device needs to be dismounted, the mounting screw 13 is taken down, and the positioning connecting sleeves 9 at two ends of the spindle connecting shaft 1 are rotated and taken down to finish dismounting and replacement, the device has a simple structure, convenient to use can its stability when connecting the use of effectual increase, can make things convenient for the change of geared sleeve 3, prevents because of the reason of wearing and tearing, leads to its whole to need to be changed, has practiced thrift the cost.
Example two:
as shown in fig. 1, a gear sleeve 3 is sleeved on a spindle connecting shaft 1, a limiting device 2 is connected between two ends of the gear sleeve 3 and the spindle connecting shaft 1, a plurality of strip-shaped gear teeth 4 are arranged on the gear sleeve 3, the limiting device 2 comprises a cavity 5 in the gear sleeve 3, positioning thread grooves 6 are arranged at two ends of the cavity 5 on the gear sleeve 3, internal threads I7 are arranged on the inner wall of the cavity 5, a threaded hole 8 is arranged on one side wall of the positioning thread groove 6, positioning connecting sleeves 9 matched with the positioning thread grooves 6 are arranged at two ends of the gear sleeve 3, a through cavity 10 is arranged in the positioning connecting sleeves 9, a connecting thread I11 is arranged on the inner wall of the through cavity 10, mounting holes 12 are arranged at the upper and lower sides of the through cavity 10 of the positioning connecting sleeves 9, and mounting screws 13 are arranged on the mounting holes 12, the surface of the spindle connecting shaft 1 is provided with a first external thread 14 matched with the first internal thread 7, two ends of the spindle connecting shaft 1 are integrally connected with a positioning rod 15, a second connecting thread 16 matched with the first connecting thread 11 is arranged outside the positioning rod 15, one end of the positioning rod 15, far away from the spindle connecting shaft 1, is provided with an installation shaft 17, and the installation shaft 17 is provided with a key slot 18, so that the stability of the spindle connecting shaft in use is further improved;
example three:
as shown in fig. 1-4, a gear sleeve 3 is sleeved on a spindle connecting shaft 1, a limiting device 2 is connected between two ends of the gear sleeve 3 and the spindle connecting shaft 1, a plurality of bar-shaped gear teeth 4 are arranged on the gear sleeve 3, the limiting device 2 comprises a cavity 5 in the gear sleeve 3, positioning thread grooves 6 are arranged at two ends of the cavity 5 on the gear sleeve 3, an internal thread one 7 is arranged on the inner wall of the cavity 5, a threaded hole 8 is arranged on one side wall of the positioning thread groove 6, positioning connecting sleeves 9 matched with the positioning thread grooves 6 are arranged at two ends of the gear sleeve 3, a through cavity 10 is arranged in the positioning connecting sleeves 9, a connecting thread one 11 is arranged on the inner wall of the through cavity 10, mounting holes 12 are arranged at two upper and lower sides of the through cavity 10 of the positioning connecting sleeves 9, and mounting screws 13 are arranged on the mounting holes 12, the surface of the spindle connecting shaft 1 is provided with a first external thread 14 matched with the first internal thread 7, two ends of the spindle connecting shaft 1 are integrally connected with a positioning rod 15, a second connecting thread 16 matched with the first connecting thread 11 is arranged outside the positioning rod 15, and the spindle connecting shaft 1, the gear sleeve 3 and the positioning rod 15 are all provided with wear-resistant coatings, so that the overall wear resistance of the spindle connecting shaft is improved, and the service life of the spindle connecting shaft is greatly prolonged;
example four:
as shown in fig. 4, a gear sleeve 3 is sleeved on the spindle connecting shaft 1, a limiting device 2 is connected between two ends of the gear sleeve 3 and the spindle connecting shaft 1, a plurality of strip-shaped gear teeth 4 are arranged on the gear sleeve 3, the limiting device 2 comprises a cavity 5 in the gear sleeve 3, positioning thread grooves 6 are arranged at two ends of the cavity 5 on the gear sleeve 3, internal threads one 7 are arranged on the inner wall of the cavity 5, a threaded hole 8 is arranged on one side wall of the positioning thread groove 6, positioning connecting sleeves 9 matched with the positioning thread grooves 6 are arranged at two ends of the gear sleeve 3, a through cavity 10 is arranged in the positioning connecting sleeves 9, a connecting thread one 11 is arranged on the inner wall of the through cavity 10, mounting holes 12 are arranged at the upper and lower sides of the through cavity 10 on the positioning connecting sleeves 9, and mounting screws 13 are arranged on the mounting holes 12, the surface of the main shaft connecting shaft 1 is provided with an external thread I14 matched with the internal thread I7, two ends of the main shaft connecting shaft 1 are integrally connected with a positioning rod 15, a connecting thread II 16 matched with the connecting thread I11 is arranged outside the positioning rod 15, and a layer of inner heat insulation plate 19 is pressed in the gear sleeve 3.
For the convenience of understanding the technical solutions of the present invention, the following detailed description will be made on the working principle or the operation mode of the present invention in the practical process.
When in actual application, when in use, firstly, the gear sleeve 3 is sleeved on the spindle connecting shaft 1 under the action of the internal thread I7 and the external thread I14, then the positioning connecting sleeve 9 is rotated into the positioning thread groove 6, and the mounting screws 13 penetrate through the mounting holes 12 and extend into the threaded holes 8 under the action of the mounting screws 13, so that the gear sleeve 3 can be fixedly mounted, the stability of the gear sleeve during working is ensured, when the gear sleeve is required to be dismounted, the mounting screws 13 are taken down, and then the positioning connecting sleeves 9 at two ends of the spindle connecting shaft 1 are rotated to finish dismounting and replacing.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (5)
1. The gear shaft capable of eliminating the connection stability with the improvement of the gear connection clearance comprises a main shaft connecting shaft (1) and is characterized in that a gear sleeve (3) is sleeved on the main shaft connecting shaft (1), a limiting device (2) is connected between the two ends of the gear sleeve (3) and the main shaft connecting shaft (1), a plurality of bar-shaped gear teeth (4) are arranged on the gear sleeve (3), the limiting device (2) comprises a cavity (5) in the gear sleeve (3), positioning thread grooves (6) are arranged at the two ends of the cavity (5) on the gear sleeve (3), an internal thread I (7) is arranged on the inner wall of the cavity (5), a threaded hole (8) is arranged on one side wall of each positioning thread groove (6), positioning connecting sleeves (9) matched with the positioning thread grooves (6) are arranged at the two ends of the gear sleeve (3), be equipped with in positioning connection cover (9) and run through chamber (10), the inner wall that runs through chamber (10) is equipped with connecting thread (11), positioning connection cover (9) are located the upper and lower both sides that run through chamber (10) are equipped with mounting hole (12), be equipped with mounting screw (13) on mounting hole (12), main shaft connecting axle (1) surface be equipped with internal thread (7) assorted external screw thread (14), the both ends body coupling of main shaft connecting axle (1) has locating lever (15), locating lever (15) be equipped with outward with connecting thread (11) assorted connecting thread two (16).
2. The gear shaft capable of eliminating the connection clearance with the gear and improving the connection stability of claim 1, wherein the end of the positioning rod (15) far away from the main shaft connecting shaft (1) is provided with a mounting shaft (17), and the mounting shaft (17) is provided with a key slot (18).
3. The gear shaft capable of eliminating the connection clearance with the gear and improving the connection stability of claim 1, wherein the main shaft connecting shaft (1), the gear sleeve (3) and the positioning rod (15) are provided with wear-resistant coatings.
4. A gear shaft capable of eliminating the connection clearance with the gear and improving the connection stability according to claim 1, characterized in that a layer of inner heat insulation plate (19) is pressed in the gear sleeve (3).
5. A gear shaft with improved connection stability capable of eliminating connection clearance with a gear according to claim 1, characterized in that the mounting screw (13) penetrates through the mounting hole (12) and extends into the threaded hole (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122230842.4U CN215596342U (en) | 2021-09-15 | 2021-09-15 | Can eliminate and be connected stability's of improvement with gear joint clearance gear shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122230842.4U CN215596342U (en) | 2021-09-15 | 2021-09-15 | Can eliminate and be connected stability's of improvement with gear joint clearance gear shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215596342U true CN215596342U (en) | 2022-01-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122230842.4U Active CN215596342U (en) | 2021-09-15 | 2021-09-15 | Can eliminate and be connected stability's of improvement with gear joint clearance gear shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215596342U (en) |
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2021
- 2021-09-15 CN CN202122230842.4U patent/CN215596342U/en active Active
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