CN210799787U - Tripod type movable universal joint with limiting structure - Google Patents
Tripod type movable universal joint with limiting structure Download PDFInfo
- Publication number
- CN210799787U CN210799787U CN201921900326.4U CN201921900326U CN210799787U CN 210799787 U CN210799787 U CN 210799787U CN 201921900326 U CN201921900326 U CN 201921900326U CN 210799787 U CN210799787 U CN 210799787U
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- half ring
- protruding block
- hole
- universal joint
- semi
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Abstract
The utility model discloses a tripod type removes universal joint with limit structure, including universal joint body and transmission shaft and the casing of setting on the universal joint body, be provided with a spacing section of thick bamboo on the casing, and a spacing section of thick bamboo includes first half ring spare and second half ring spare, be provided with three hinge between first half ring spare and the second half ring spare, first half ring spare passes through hinge and second half ring spare swing joint, be provided with coupling mechanism on first half ring spare and the second half ring spare, the ring channel has been seted up to the lateral surface of casing, and pegs graft in the inside of ring channel and have two setting elements, two first inclined plane grooves have been seted up to the medial surface of setting element. The utility model discloses utilize the first half ring spare and the second half ring spare combination to form spacing section of thick bamboo to realize the injecing to transmission shaft rotation range, the length of a spacing section of thick bamboo is longer more, and the rotation range of transmission shaft is less, otherwise then is big more, and the installation of a spacing section of thick bamboo is simple, and the practicality is strong.
Description
Technical Field
The utility model relates to a universal joint technical field especially relates to a tripod formula removes universal joint with limit structure.
Background
The universal joint is a connecting part for realizing variable-angle power transmission, is used for changing the position of a transmission axis direction, is a joint part of a universal transmission device in an automobile driving system, and has an extremely important function.
After the transmission shaft is installed on the existing universal joint, the rotating range of the transmission shaft is very wide, and the angle which can be adjusted by the universal joint is the rotating range of the transmission shaft, so that people cannot limit the rotating range of the transmission shaft, and the actual use of people is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a tripod type movable universal joint with a limiting structure.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a tripod type removes universal joint with limit structure, includes the universal joint body and sets up transmission shaft and the casing on the universal joint body, be provided with spacing section of thick bamboo on the casing, and spacing section of thick bamboo includes first semi-ring spare and second semi-ring spare, be provided with three hinge between first semi-ring spare and the second semi-ring spare, first semi-ring spare passes through hinge and second semi-ring spare swing joint, be provided with coupling mechanism on first semi-ring spare and the second semi-ring spare, the ring channel has been seted up to the lateral surface of casing, and pegs graft in the inside of ring channel has two setting elements, two first inclined plane grooves have been seted up to the medial surface of setting element, the second inclined plane groove has all been seted up to the one end that casing was kept away from to first semi-ring spare and second semi-ring spare, two welded connection respectively is on first semi-.
Preferably, the thickness of the positioning piece is equal to the groove width of the annular groove.
Preferably, the outer surfaces of the first half ring piece, the second half ring piece and the positioning piece are coated with anti-oxidation coatings.
Preferably, the connecting mechanism comprises a first protruding block and a second protruding block, the first protruding block and the second protruding block are respectively connected with the first half ring piece and the second half ring piece in a welded mode, a first blind hole is formed in the top of the first protruding block, a first through hole is formed in the inner bottom surface of the first blind hole, a bolt penetrates through the first through hole, a hexagonal hole is formed in the bottom of the second protruding block, a second through hole is formed in the inner top wall of the hexagonal hole, a hexagon nut is arranged inside the hexagonal hole, two rectangular grooves are formed in the inner side wall surface of the hexagon nut, an elastic pressing piece is welded inside the rectangular grooves, the hexagon nut is connected inside the hexagonal hole in a clamped mode through the elastic pressing piece, and the bolt penetrates through the second through hole and is connected with the hexagon nut in a threaded mode.
Preferably, the connecting mechanism comprises a third convex block and a fourth convex block, the third convex block and the fourth convex block are respectively welded with the first half ring member and the second half ring member, the top of the third convex block is provided with a second blind hole, the third convex block is provided with a first through groove, a nut sleeve is arranged inside the second blind hole, the top of the nut sleeve is welded with a hexagon head, the bottom of the fourth convex block is provided with a third blind hole, the fourth convex block is provided with a second through groove, the first through groove and the second through groove are internally penetrated by the same threaded column, a fixed shaft is fixed inside the third blind hole, the fixed shaft is sleeved with a sleeve, the threaded column is provided with a threaded hole, the threaded hole is internally and threadedly connected with a positioning screw rod, the nut sleeve is threadedly connected on the threaded column, and the bottom of the threaded column is welded with the sleeve, both ends of the positioning screw rod protrude out of the outer side surface of the threaded column, and the outer side surface of the positioning screw rod is in contact with the hexagonal head.
Preferably, the first half ring member and the second half ring member are made of metal materials.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses in through setting up first half ring spare, second half ring spare, hinge, ring channel, setting element, first inclined plane groove and second inclined plane groove, utilize the spacing section of thick bamboo that first half ring spare and the combination of second half ring spare formed to realize the injecing to transmission shaft rotation range, the length of spacing section of thick bamboo is longer, and the rotation range of transmission shaft is less, then is bigger otherwise, and the installation of spacing section of thick bamboo is simple, and the practicality is strong.
2. The utility model discloses in through setting up rectangular channel and elasticity preforming for hexagon nut can the chucking in the inside of hexagonal hole, thereby hexagon nut follows the bolt and together the pivoted condition takes place when just having avoided twisting the bolt, thereby has simplified the installation steps of first protruding piece and the protruding piece of second, has improved the installation effectiveness.
To sum up, the utility model discloses utilize the spacing section of thick bamboo that first half ring spare and the combination of the half ring spare of second formed to realize the injecing to transmission shaft rotation range, the length of a spacing section of thick bamboo is longer more, and the rotation range of transmission shaft is more little, otherwise then is big more, and the installation of a spacing section of thick bamboo is simple, and the practicality is strong.
Drawings
Fig. 1 is a schematic view of an overall structure of a tripod type universal joint with a limiting structure according to the present invention;
fig. 2 is a side sectional view of a limiting cylinder of a tripod type universal joint having a limiting structure according to the present invention;
fig. 3 is a structural diagram of a first embodiment of a tripod type universal joint with a limiting structure according to the present invention;
fig. 4 is a structural diagram of a second embodiment of a tripod type universal joint with a limiting structure according to the present invention;
fig. 5 is a top view of a third bump in a second embodiment of the tripod type universal joint of the present invention with a position-limiting structure.
In the figure: the universal joint comprises a universal joint body 1, a transmission shaft 2, a shell 3, a limiting cylinder 4, a first half ring piece 5, a second half ring piece 6, a hinge 7, a connecting mechanism 8, an annular groove 9, a positioning piece 10, a first inclined plane groove 11, a second inclined plane groove 12, a first protruding block 13, a second protruding block 14, a first blind hole 15, a first through hole 16, a bolt 17, a hexagonal hole 18, a second through hole 19, a hexagonal nut 20, a rectangular groove 21, an elastic pressing piece 22, a third protruding block 23, a fourth protruding block 24, a second blind hole 25, a first through groove 26, a nut sleeve 27, a hexagonal head 28, a third blind hole 29, a second through groove 30, a threaded column 31, a fixed shaft 32, a sleeve 33, a threaded hole 34 and a positioning screw rod 35.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
The first embodiment is as follows:
referring to fig. 1-3, a tripod type movable universal joint with a limit structure comprises a universal joint body 1, a transmission shaft 2 and a shell 3 which are arranged on the universal joint body 1, a limit cylinder 4 is arranged on the shell 3, the limiting cylinder 4 comprises a first semi-ring member 5 and a second semi-ring member 6, three hinges 7 are arranged between the first semi-ring member 5 and the second semi-ring member 6, the first semi-ring member 5 is movably connected with the second semi-ring member 6 through the hinges 7, the first semi-ring member 5 and the second semi-ring member 6 are provided with connecting mechanisms 8, the outer side surface of the shell 3 is provided with an annular groove 9, two positioning pieces 10 are inserted into the annular groove 9, two first inclined plane grooves 11 are formed in the inner side faces of the positioning pieces 10, second inclined plane grooves 12 are formed in the ends, far away from the shell 3, of the first half-ring piece 5 and the second half-ring piece 6, and the two positioning pieces 10 are connected to the first half-ring piece 5 and the second half-ring piece 6 in a welded mode respectively.
Wherein the thickness of the positioning element 10 is equal to the groove width of the annular groove 9.
Wherein, the outer surfaces of the first half-ring member 5, the second half-ring member 6 and the positioning member 10 are coated with an anti-oxidation coating.
Wherein, the connecting mechanism 8 comprises a first convex block 13 and a second convex block 14, the first convex block 13 and the second convex block 14 are respectively welded with the first half-ring 5 and the second half-ring 6, the top of the first convex block 13 is provided with a first blind hole 15, the first blind hole 15 is used for accommodating the head part of a bolt 17, the inner bottom surface of the first blind hole 15 is provided with a first through hole 16, the bolt 17 penetrates through the first through hole 16, the bolt 17 is matched with a hexagon nut 20 to fixedly connect the first convex block 13 and the second convex block 14 together, so that the first half-ring 5 and the second half-ring 6 can be tightly fixed on the universal joint body 1, the bottom of the second convex block 14 is provided with a hexagon hole 18, an elastic pressing sheet 22 can fix the hexagon nut 20 in the hexagon hole 18, thereby avoiding the situation that the hexagon nut 20 rotates along with the bolt 17 when the bolt 17 is screwed, and second through-hole 19 has been seted up to the interior roof of hexagonal hole 18, and hexagonal hole 18's inside is provided with hexagon nut 20, and two rectangular channels 21 have been seted up to hexagon nut 20's inside wall face, and rectangular channel 21's inside welding has elasticity preforming 22, and hexagon nut 20 passes through elasticity preforming 22 joint in hexagonal hole 18's inside, and bolt 17 passes second through-hole 19 and hexagon nut 20 threaded connection.
Wherein, the first half ring member 5 and the second half ring member 6 are made of metal material.
Example two:
referring to fig. 1, 2, 4 and 5, a tripod type movable universal joint with a limiting structure comprises a universal joint body 1, a transmission shaft 2 and a shell 3 which are arranged on the universal joint body 1, a limiting cylinder 4 is arranged on the shell 3, the limiting cylinder 4 comprises a first semi-ring member 5 and a second semi-ring member 6, three hinges 7 are arranged between the first semi-ring member 5 and the second semi-ring member 6, the first semi-ring member 5 is movably connected with the second semi-ring member 6 through the hinges 7, the first semi-ring member 5 and the second semi-ring member 6 are provided with connecting mechanisms 8, the outer side surface of the shell 3 is provided with an annular groove 9, two positioning pieces 10 are inserted into the annular groove 9, two first inclined plane grooves 11 are formed in the inner side faces of the positioning pieces 10, second inclined plane grooves 12 are formed in the ends, far away from the shell 3, of the first half-ring piece 5 and the second half-ring piece 6, and the two positioning pieces 10 are connected to the first half-ring piece 5 and the second half-ring piece 6 in a welded mode respectively.
Wherein the thickness of the positioning element 10 is equal to the groove width of the annular groove 9.
Wherein, the outer surfaces of the first half-ring member 5, the second half-ring member 6 and the positioning member 10 are coated with an anti-oxidation coating.
Wherein, the connecting mechanism 8 comprises a third convex block 23 and a fourth convex block 24, the third convex block 23 and the fourth convex block 24 are respectively welded with the first half ring member 5 and the second half ring member 6, the top of the third convex block 23 is provided with a second blind hole 25, the third convex block 23 is provided with a first through groove 26, the inside of the second blind hole 25 is provided with a nut sleeve 27, the top of the nut sleeve 27 is welded with a hexagon head 28, the bottom of the fourth convex block 24 is provided with a third blind hole 29, the fourth convex block 24 is provided with a second through groove 30, the first through groove 26 and the second through groove 30 are internally penetrated with a same threaded column 31, the inside of the third blind hole 29 is fixed with a fixed shaft 32, the fixed shaft 32 is used for limiting the position of the sleeve 33, the sleeve 33 is sleeved on the fixed shaft 32, the threaded column 31 is provided with a threaded hole 34, and the inside of the threaded hole 34 is connected with a positioning screw 35 by screw threads, the positioning screw 35 is used for abutting against the hexagonal head 28 to prevent the nut sleeve 27 from loosening, the nut sleeve 27 is in threaded connection with the threaded column 31, the bottom of the threaded column 31 is in welded connection with the sleeve 33, two ends of the positioning screw 35 protrude out of the outer side surface of the threaded column 31, the outer side surface of the positioning screw 35 is in contact with the hexagonal head 28, when the third protruding block 23 and the fourth protruding block 24 are disassembled, the positioning screw 35 is firstly screwed to enable the positioning screw 35 to withdraw from the interior of the threaded hole 34, then the nut sleeve 27 is screwed by using the hexagonal head 28 to enable the nut sleeve 27 to fall off from the threaded column 31, finally the threaded column 31 is rotated again to enable the threaded column 31 to rotate from vertical upward to vertical downward, and the mounting operation of the third protruding block 23 and the fourth protruding block 24 is the inverse operation of the disassembling operation.
Wherein, the first half ring member 5 and the second half ring member 6 are made of metal material.
The working principle is as follows: when the limiting cylinder 4 is installed, people need to select the limiting cylinder 4 with a proper length according to actual requirements so that the transmission shaft 2 can rotate within a range preset by people, after the selection is completed, the first half ring piece 5 and the second half ring piece 6 are opened by the hinge 7, the positioning piece 10 is aligned to the annular groove 9, then the first half ring piece 5 and the second half ring piece 6 are combined to form the limiting cylinder 4, the positioning piece 10 is clamped in the annular groove 9, the first half ring piece 5 and the second half ring piece 6 are fixedly installed together by the connecting mechanism 8, the area of the inner side face of the positioning piece 10 can be reduced by the first inclined plane groove 11, the positioning piece 10 can be smoothly clamped in the annular groove 9, the pressure of the contact position of the first half ring piece 5, the second half ring piece 6 and the transmission shaft 2 can be reduced by the second inclined plane groove 12, and accordingly the pressure of the first half ring piece 5 and the transmission shaft 2 is reduced, Second semi-ring member 6 and transmission shaft 2's wearing and tearing, the utility model discloses utilize first semi-ring member 5 and the second semi-ring member 6 combination to form spacing section of thick bamboo 4 realize the injecing to transmission shaft 2 rotation range, the length of spacing section of thick bamboo 4 is longer more, transmission shaft 2's rotation range is less, otherwise then is big more, and spacing section of thick bamboo 4's installation is simple, and the practicality is strong.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A three-ball-pin type movable universal joint with a limiting structure comprises a universal joint body (1), a transmission shaft (2) and a shell (3) which are arranged on the universal joint body (1), and is characterized in that a limiting cylinder (4) is arranged on the shell (3), the limiting cylinder (4) comprises a first semi-ring piece (5) and a second semi-ring piece (6), three hinges (7) are arranged between the first semi-ring piece (5) and the second semi-ring piece (6), the first semi-ring piece (5) is movably connected with the second semi-ring piece (6) through the hinges (7), a connecting mechanism (8) is arranged on the first semi-ring piece (5) and the second semi-ring piece (6), an annular groove (9) is formed in the outer side face of the shell (3), two positioning pieces (10) are inserted in the annular groove (9), two first inclined face grooves (11) are formed in the inner face of each positioning piece (10), and second inclined plane grooves (12) are formed in the ends, far away from the shell (3), of the first half ring piece (5) and the second half ring piece (6), and the two positioning pieces (10) are respectively connected to the first half ring piece (5) and the second half ring piece (6) in a welded mode.
2. Tripod universal joint with limit construction according to claim 1, characterized in that the thickness of the spacer (10) is equal to the groove width of the annular groove (9).
3. The tripod type universal joint with a spacing structure according to claim 1, wherein the outer surfaces of the first half ring member (5), the second half ring member (6) and the positioning member (10) are coated with an anti-oxidation coating.
4. The tripod type mobile gimbal with the limit structure according to claim 1, wherein the connecting mechanism (8) comprises a first protruding block (13) and a second protruding block (14), the first protruding block (13) and the second protruding block (14) are respectively welded to the first half ring (5) and the second half ring (6), a first blind hole (15) is formed at the top of the first protruding block (13), a first through hole (16) is formed in the inner bottom surface of the first blind hole (15), a bolt (17) penetrates through the first through hole (16), a hexagonal hole (18) is formed at the bottom of the second protruding block (14), a second through hole (19) is formed in the inner top wall of the hexagonal hole (18), a hexagonal nut (20) is arranged inside the hexagonal hole (18), two rectangular grooves (21) are formed in the inner side wall of the hexagonal nut (20), and the inside welding of rectangular channel (21) has elasticity preforming (22), hexagon nut (20) pass through elasticity preforming (22) joint in the inside of hexagonal hole (18), bolt (17) pass second through-hole (19) and hexagon nut (20) threaded connection.
5. The tripod type mobile gimbal with the limit structure according to claim 1, wherein the connecting mechanism (8) comprises a third protruding block (23) and a fourth protruding block (24), the third protruding block (23) and the fourth protruding block (24) are respectively connected with the first half ring member (5) and the second half ring member (6) in a welding manner, a second blind hole (25) is formed at the top of the third protruding block (23), a first through groove (26) is formed in the third protruding block (23), a nut sleeve (27) is arranged inside the second blind hole (25), a hexagonal head (28) is welded at the top of the nut sleeve (27), a third blind hole (29) is formed at the bottom of the fourth protruding block (24), a second through groove (30) is formed in the fourth protruding block (24), the same threaded post (31) penetrates through the insides of the first through groove (26) and the second through groove (30), the inside of third blind hole (29) is fixed with fixed axle (32), and has cup jointed sleeve pipe (33) on fixed axle (32), set up threaded hole (34) on screw thread post (31), and the internal thread of threaded hole (34) is connected with positioning screw (35), nut cover (27) threaded connection is on screw thread post (31), and the bottom and sleeve pipe (33) welded connection of screw thread post (31), the both ends of positioning screw (35) all bulge in the lateral surface of screw thread post (31), and the lateral surface and the hexagon head (28) of positioning screw (35) contact.
6. A tripod type universal joint having a position-limiting structure according to claim 1, wherein the first half-ring member (5) and the second half-ring member (6) are made of metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921900326.4U CN210799787U (en) | 2019-11-06 | 2019-11-06 | Tripod type movable universal joint with limiting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921900326.4U CN210799787U (en) | 2019-11-06 | 2019-11-06 | Tripod type movable universal joint with limiting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210799787U true CN210799787U (en) | 2020-06-19 |
Family
ID=71243015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921900326.4U Expired - Fee Related CN210799787U (en) | 2019-11-06 | 2019-11-06 | Tripod type movable universal joint with limiting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210799787U (en) |
-
2019
- 2019-11-06 CN CN201921900326.4U patent/CN210799787U/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: 20200619 Termination date: 20201106 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |