CN210623510U - Through-hole precision worm - Google Patents
Through-hole precision worm Download PDFInfo
- Publication number
- CN210623510U CN210623510U CN201920884010.4U CN201920884010U CN210623510U CN 210623510 U CN210623510 U CN 210623510U CN 201920884010 U CN201920884010 U CN 201920884010U CN 210623510 U CN210623510 U CN 210623510U
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- Prior art keywords
- sleeve
- worm
- gear
- bearing
- transmission rod
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Abstract
The utility model relates to a through-hole precision worm, which belongs to the related technical field of precision worms and comprises a transmission rod, wherein a worm tooth surface is arranged on the transmission rod, an inner cavity is arranged in the worm tooth surface, cooling liquid is contained in the inner cavity, one end of the transmission rod is fixedly connected with an installation rod, a groove is arranged on the installation rod, a first gear is fixedly arranged at the other end of the transmission rod, one side of a shell is provided with an installation hole I, the shell is sleeved on the other end of the transmission rod through the installation hole I, a cavity is arranged in the shell, bearings are fixedly arranged on the inner side wall of the cavity, the number of the bearings is 2, each bearing comprises a first bearing and a second bearing, sleeves are fixedly arranged in the first bearing and the second bearing, the number of the sleeves is 2, each sleeve comprises a first sleeve and a second sleeve, and a first installation groove is arranged, convenient to use, the function is various, has good development prospect.
Description
Technical Field
The utility model relates to an accurate worm of through-hole class belongs to the relevant technical field of accurate worm.
Background
In precision mechanical transmission, the requirement on transmission precision is high, the requirement on manufacturing precision of transmission parts is increased along with the increase of transmission stages, meanwhile, the installation precision of parts is improved compared with that of single transmission, a worm is a gear which is provided with one or more spiral teeth and meshed with a worm wheel to form a staggered shaft gear pair, the indexing curved surface of the gear can be a cylindrical surface, a conical surface or a circular ring surface, and the gear comprises an Archimedes worm, an involute worm, a normal straight profile worm and a conical surface enveloping cylindrical worm, the worm transmission is composed of the worm and the worm wheel and is used for transmitting motion and power between staggered shafts, the staggered angle of two shafts is 90 degrees, and the worm is used as a driving part in general worm transmission. In appearance, the worm is similar to a bolt, the worm wheel is similar to a helical cylindrical gear, when the worm wheel works, the gear teeth of the worm wheel slide and roll along the helical surface of the worm, in order to improve the contact condition of the gear teeth, the worm wheel is made into an arc shape along the tooth width direction, so that the worm part is wrapped by the worm wheel, and the worm wheel are in line contact instead of point contact when meshed;
however, in the working process of the existing precision worm, as the working time of the worm increases, the friction frequency between the worm and the worm wheel increases gradually, the temperature of the tooth surface of the worm on the worm can be increased gradually, the abrasion between the worm and the worm wheel is larger, the service life of the worm is greatly reduced, the precision of the worm can be reduced, and meanwhile, the existing worm can only transmit a single shaft during transmission, so that the transmission efficiency is greatly reduced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem who solves overcomes current defect, the utility model provides a through-hole class precision worm, can effectively solve the in-process of current precision worm at work in the background art, along with the operating time of worm increases, and the friction number of times between the turbine increases gradually, can make on the worm temperature of worm flank of tooth rise gradually, and then great to wearing and tearing between worm and the turbine, great reduction the life of worm, the precision of worm also can be reduced simultaneously, and simultaneously, during current worm transmission, only can transmit single axle, great reduction transmission efficiency's problem.
In order to solve the technical problem, the utility model provides a following technical scheme:
a through-hole precision worm comprises a transmission rod, wherein a worm tooth surface is arranged on the transmission rod, an inner cavity is arranged in the worm tooth surface, cooling liquid is contained in the inner cavity, an installation rod is fixedly connected to one end of the transmission rod, a groove is formed in the installation rod, a first gear is fixedly installed at the other end of the transmission rod, a shell is arranged at one end of the transmission rod, a first installation hole is formed in one side of the shell, the shell is sleeved at the other end of the transmission rod through the first installation hole, a cavity is formed in the shell, bearings are fixedly installed on the inner side wall of the cavity, the number of the bearings is 2, each bearing comprises a first bearing and a second bearing, sleeves are fixedly installed in the first bearing and the second bearing, the number of the sleeves is 2, each sleeve comprises a first sleeve and a second sleeve, and a first installation groove is formed in the inner side walls of the first sleeve and the second sleeve, the mounting groove is characterized in that a spring is fixedly mounted on the inner side wall of the first mounting groove, a protruding block is fixedly mounted at one end of the spring, and an internal spline is fixedly mounted on the inner side wall of the first sleeve and the inner side wall of the second sleeve.
Further, the diameter of the first sleeve and the diameter of the second sleeve are equal.
Further, the number of the springs and the lugs in the first sleeve and the second sleeve is 2.
Further, one end of the first sleeve is fixedly provided with a second gear, and one end of the second sleeve is fixedly provided with a third gear.
Further, the pitch between the worm tooth faces is 0.5 cm.
Further, the first gear is meshed with the second gear and the third gear respectively.
The utility model discloses beneficial effect:
the utility model discloses be equipped with coolant liquid, sleeve one and sleeve two in to can reduce the temperature after this utility model long-time work, and then can reduce the consume of this utility model during operation, this utility model's of great extension life, simultaneously, this utility model can drive two root shafts simultaneously and carry out the transmission, great improvement this utility model's work efficiency.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic sectional view of the housing of the present invention.
Fig. 3 is a schematic cross-sectional view of the tooth surface of the worm of the present invention.
Fig. 4 is a schematic cross-sectional view of the sleeve of the present invention.
Reference numbers in the figures: 1. a transmission rod; 2. a worm tooth flank; 3. cooling liquid; 4. a connecting rod; 5. a groove; 6. a first gear; 7. a housing; 8. a first bearing; 9. a second bearing; 10. a first sleeve; 11. a second sleeve; 12. a spring; 13. A bump; 14. a first gear; 15. and a second gear.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
As shown in fig. 1-4, a through-hole precision worm comprises a transmission rod 1, a worm tooth surface 2 is arranged on the transmission rod 1, an inner cavity is arranged in the worm tooth surface 2, a cooling liquid 3 is contained in the inner cavity, one end of the transmission rod 1 is fixedly connected with an installation rod 4, a groove 5 is arranged on the installation rod 4, a first gear 6 is fixedly arranged at the other end of the transmission rod 1, one end of the transmission rod 1 is provided with a shell 7, one side of the shell 7 is provided with a first installation hole, the shell 7 is sleeved on the other end of the transmission rod 1 through the installation hole, a cavity is arranged in the shell 7, bearings are fixedly arranged on the inner side wall of the cavity, the number of the bearings is 2, each bearing comprises a first bearing 8 and a second bearing 9, sleeves are fixedly arranged in the first bearing 8 and the second bearing 9, the number of the sleeves is 2, each sleeve comprises a first sleeve 10 and a second sleeve 11, the spring 12 is fixedly mounted on the inner side wall of the first mounting groove, the protruding block 13 is fixedly mounted at one end of the spring 12, and the inner splines are fixedly mounted on the inner side walls of the first sleeve 10 and the second sleeve 11.
The diameters of the first sleeve 10 and the second sleeve 11 are equal, the number of the springs 12 and the number of the lugs 13 in the first sleeve 10 and the second sleeve 11 are 2, a second gear 14 is fixedly installed at one end of the first sleeve 10, a third gear 15 is fixedly installed at one end of the second sleeve 11, the distance between the tooth surfaces 2 of the worm is 0.5cm, and the first gear 6 is meshed with the second gear 14 and the third gear 15 respectively.
The utility model discloses the theory of operation: when the through hole type precision worm is used, a user can check the through hole type precision worm firstly, the utility model is provided with a shell 7, the shell 7 is provided with a sleeve I10 and a sleeve II 11, the sleeve I10 and the sleeve II 11 are respectively meshed with a gear I6 through a gear II 14 and a gear III 1, the gear I6 is fixedly arranged on a transmission rod 1, when the transmission rod 1 is combined with a turbine through a worm tooth surface 2 for transmission, the transmission rod 1 can respectively drive a gear III 15 and a gear II 14 to rotate through the gear I6, and further can drive the sleeve I10 and the sleeve II 11 to rotate, so that the utility model can simultaneously drive two shafts for transmission, the working efficiency of the utility model is greatly improved, meanwhile, a spring 12 and a lug 13 are arranged in the sleeve I10 and the sleeve II 11, so that when the sleeve I10 and the sleeve II 11 are connected with the shafts, lug 13 can be under spring 12's effort, and the axle of connecting withstands, increases its stability in sleeve 10 or sleeve two 11, and then the improvement that can be great should the utility model's precision degree, simultaneously, is provided with the inner chamber in the worm flank of tooth 2, is provided with coolant liquid 3 in the inner chamber, and coolant liquid 3 has better cooling effect and radiating effect, and then can reduce the temperature after this utility model long-time work, and then can reduce the consume of this utility model during operation, great extension this utility model's life.
The above is the preferred embodiment of the present invention, and the technical personnel in the field of the present invention can also change and modify the above embodiment, therefore, the present invention is not limited to the above specific embodiment, and any obvious improvement, replacement or modification made by the technical personnel in the field on the basis of the present invention all belong to the protection scope of the present invention.
Claims (6)
1. The utility model provides a precision worm of through-hole class, includes transfer line (1), its characterized in that: the worm gear transmission mechanism is characterized in that a worm tooth surface (2) is arranged on the transmission rod (1), an inner cavity is arranged in the worm tooth surface (2), cooling liquid (3) is contained in the inner cavity, an installation rod (4) is fixedly connected to one end of the transmission rod (1), a groove (5) is formed in the installation rod (4), a first gear (6) is fixedly installed at the other end of the transmission rod (1), a shell (7) is arranged at one end of the transmission rod (1), a first installation hole is formed in one side of the shell (7), the shell (7) is sleeved on the other end of the transmission rod (1) through the installation hole, a cavity is arranged in the shell (7), bearings are fixedly installed on the inner side wall of the cavity, the number of the bearings is 2, each bearing comprises a first bearing (8) and a second bearing (9), and sleeves are fixedly installed in the first bearing (8) and the second bearing (9), telescopic quantity is 2, the sleeve includes sleeve (10) and sleeve two (11), all be provided with mounting groove one on the inside wall of sleeve (10) and sleeve two (11), fixed mounting has spring (12) on the inside wall of mounting groove one, the one end fixed mounting of spring (12) has lug (13), sleeve (10) with equal fixed mounting has the internal spline on the inside wall of sleeve two (11).
2. The precision worm screw of claim 1, further comprising: the diameters of the first sleeve (10) and the second sleeve (11) are equal.
3. The precision worm screw of claim 1, further comprising: the number of the springs (12) and the lugs (13) in the first sleeve (10) and the second sleeve (11) is 2.
4. The precision worm screw of claim 1, further comprising: one end of the first sleeve (10) is fixedly provided with a second gear (14), and one end of the second sleeve (11) is fixedly provided with a third gear (15).
5. The precision worm screw of claim 1, further comprising: the distance between the worm tooth surfaces (2) is 0.5 cm.
6. The precision worm screw of claim 1, further comprising: the first gear (6) is meshed with the second gear (14) and the third gear (15) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920884010.4U CN210623510U (en) | 2019-06-13 | 2019-06-13 | Through-hole precision worm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920884010.4U CN210623510U (en) | 2019-06-13 | 2019-06-13 | Through-hole precision worm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210623510U true CN210623510U (en) | 2020-05-26 |
Family
ID=70751195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920884010.4U Expired - Fee Related CN210623510U (en) | 2019-06-13 | 2019-06-13 | Through-hole precision worm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210623510U (en) |
-
2019
- 2019-06-13 CN CN201920884010.4U patent/CN210623510U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200526 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |