CN221347763U - Novel double-nut ball screw pair - Google Patents
Novel double-nut ball screw pair Download PDFInfo
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- CN221347763U CN221347763U CN202322797148.XU CN202322797148U CN221347763U CN 221347763 U CN221347763 U CN 221347763U CN 202322797148 U CN202322797148 U CN 202322797148U CN 221347763 U CN221347763 U CN 221347763U
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- nut
- ball screw
- screw pair
- novel double
- fixed block
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- 210000001503 joint Anatomy 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims description 12
- 239000007787 solid Substances 0.000 claims description 7
- 238000009434 installation Methods 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000003032 molecular docking Methods 0.000 description 6
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000036316 preload Effects 0.000 description 2
- 230000003245 working effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a novel double-nut ball screw pair, which relates to the technical field of ball screw pairs and comprises a screw rod body, wherein a first nut and a second nut are arranged on two sides of the surface of the screw rod body, an annular baffle is fixedly arranged on one side surface of the first nut, a butt joint assembly is fixedly arranged on the surface of the first nut and the surface of the second nut, the butt joint assembly comprises a first fixed block fixedly arranged on the outer surface of the second nut, and the novel double-nut ball screw pair can enable the first nut and the second nut to be quickly connected and detached through the arrangement of the butt joint assembly, so that the installation efficiency and the maintenance efficiency of workers are greatly improved, the traditional connection mode using a plurality of screws is replaced, meanwhile, the connection mode is more stable, the double-nut ball screw pair can be overhauled and maintained conveniently and quickly while the connection is stable, the working efficiency of the workers is improved, the service life of the device is prolonged, and the extra expenditure is reduced.
Description
Technical Field
The utility model relates to the technical field of ball screw pairs, in particular to a novel double-nut ball screw pair.
Background
The ball screw pair is also called a ball screw pair and consists of a screw and a nut which are matched. The ball screw pair is a spiral transmission element which takes steel balls as rolling bodies between a screw and a nut. The double-nut ball screw preload is applied by rotating two nuts in opposite directions, respectively, and the nuts are fixed by pins installed therebetween, the axial gap is eliminated, and the rigidity is improved by the preload. The double nut is suitable for machines requiring high stiffness and accurate positioning under moderate or heavy loads.
Most of the existing double-nut ball screw pairs compress and fix two nuts through a plurality of screws, but the double-nut ball screw pairs need to be maintained and overhauled after long-time use, when the double-nut ball screw pairs need to be disassembled in the maintenance process, the existing disassembly steps are complicated, the damage of the ball screw pairs cannot be caused easily due to improper operation of staff, and extra cost is caused.
Disclosure of utility model
Technical problem to be solved
Aiming at the defects of the prior art, the utility model provides a novel double-nut ball screw pair, which solves the problems that most of the existing double-nut ball screw pairs compress and fix two nuts through a plurality of screws, but the double-nut ball screw pair needs to be maintained and overhauled after long-time use, and when the double-nut ball screw pair needs to be disassembled in the maintenance process, the existing disassembly steps are complicated, the damage of the ball screw pair is caused easily due to improper operation of staff, and the additional cost is caused.
Technical proposal
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the novel double-nut ball screw pair comprises a screw rod body, wherein a first nut and a second nut are arranged on two sides of the surface of the screw rod body, an annular baffle is fixedly arranged on one side surface of the first nut, and a butt joint assembly is fixedly arranged on the surfaces of the first nut and the second nut;
The butt joint assembly comprises a first fixed block fixedly mounted on the outer surface of a second nut, the first fixed block is distributed on the outer surface of the second nut in an annular array mode, a plug board is fixedly mounted on one side surface of the first fixed block, a second fixed block is fixedly mounted on the outer surface of the first nut in an annular array mode, the plug board penetrates through the second fixed block in a sliding mode, a limit column is connected to the second fixed block in a sliding mode, the limit column is inserted into the upper surface of the plug board, a cavity is formed in the second fixed block, a reset spring is fixedly mounted on the inner top wall of the cavity, one end of the reset spring is fixedly mounted on the surface of the limit column, a connecting piece is fixedly mounted on the top of the limit column, and a connecting plate is fixedly mounted inside the connecting piece.
Optionally, the surface fixed mounting of first nut has a plurality of bracing piece, one side surface fixed mounting of bracing piece has the solid fixed ring, the inside sliding connection of solid fixed ring has the swivel becket, a plurality of arc wall has been seted up on the surface of swivel becket, one of them the surface threaded connection of bracing piece has stop bolt, stop bolt one end screw thread through connection is in the surface of swivel becket, carries out spacingly through stop bolt to the swivel becket, prevents that it from taking place rotatory condition to the stability that two nuts connect has further been strengthened.
Optionally, a side fixed surface of connecting plate installs the spliced pole, spliced pole sliding connection is in the inside of arc groove, the surface fixed mounting of swivel becket has the pulling rod, first spout has been seted up to the surface of solid fixed ring, pulling rod sliding connection is in the inside of first spout, can be convenient for the staff rotate the swivel becket through the pulling rod to the staff of being convenient for installs and dismantles the operation.
Optionally, the both ends of lead screw body all are equipped with the installation end, the quantity of installation end is two.
Optionally, the seal groove has been seted up to one side surface of first nut, one side surface fixed mounting of second nut has the sealing ring, the sealing ring is pegged graft in the inside of seal groove, through the setting of seal groove and sealing ring, can prevent that the dust from entering into the inside of nut through the gap of being connected between two nuts to influence its working property.
Optionally, reserved mounting holes are formed in the surface of the annular baffle, and the reserved mounting holes are distributed on the surface of the annular baffle in an annular array.
Advantageous effects
The utility model provides a novel double-nut ball screw pair, which has the following beneficial effects:
This novel double nut ball screw pair through the setting of docking subassembly, can make first nut and second nut carry out quick connection and dismantlement, greatly improved staff's installation effectiveness and maintenance efficiency, replaced traditional connected mode who uses a plurality of screws, its connected mode is more stable simultaneously, can overhaul and maintain double nut ball screw pair fast when connecting stably, improved staff's work efficiency, prolonged the life of device simultaneously, reduced extra expenditure.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those skilled in the art from this disclosure that the drawings described below are merely exemplary and that other embodiments may be derived from the drawings provided without undue effort.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic side view of the present utility model;
FIG. 3 is a schematic view of a docking assembly according to the present utility model;
FIG. 4 is a schematic view of a portion of a docking assembly of the present utility model;
FIG. 5 is a schematic view of the seal groove and seal ring of the present utility model.
In the figure: 1. a screw rod body; 2. a first nut; 3. a second nut; 4. an annular baffle; 5. a docking assembly; 501. a first fixed block; 502. a plug board; 503. a second fixed block; 504. a limit column; 505. a return spring; 506. a connecting plate; 507. a fixing ring; 508. a rotating ring; 509. an arc-shaped groove; 510. pulling the rod; 6. installing an end head; 7. sealing grooves; 8. and (3) a sealing ring.
Detailed Description
The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the utility model, which is defined by the claims, so that any structural modifications, proportional changes, or adjustments of size, which do not affect the efficacy of the utility model or the objects achieved, should fall within the scope of the utility model.
Referring to fig. 1 to 5, the present utility model provides a technical solution: the novel double-nut ball screw pair comprises a screw rod body 1, wherein a first nut 2 and a second nut 3 are arranged on two sides of the surface of the screw rod body 1, an annular baffle 4 is fixedly arranged on one side surface of the first nut 2, a docking assembly 5 is fixedly arranged on the surface of the first nut 2 and the surface of the second nut 3, the docking assembly 5 comprises a first fixing block 501 fixedly arranged on the outer surface of the second nut 3, the annular array of the first fixing block 501 is distributed on the outer surface of the second nut 3, a plugboard 502 is fixedly arranged on one side surface of the first fixing block 501, a second fixing block 503 is fixedly arranged on the annular array of the outer surface of the first nut 2, the plugboard 502 is slidably penetrated in the second fixing block 503, a limit column 504 is slidably connected in the second fixing block 503, the limit column 504 is spliced on the upper surface of the plugboard 502, a cavity is formed in the second fixing block 503, the inner top wall of the cavity is fixedly provided with a return spring 505, one end of the return spring 505 is fixedly arranged on the surface of a limit post 504, the top of the limit post 504 is fixedly provided with a connecting piece, the inside of the connecting piece is fixedly provided with a connecting plate 506, the outer surface of the first nut 2 is fixedly provided with a plurality of support rods, one side surface of each support rod is fixedly provided with a fixed ring 507, the inside of each fixed ring 507 is slidably connected with a rotating ring 508, the surface of each rotating ring 508 is provided with a plurality of arc-shaped grooves 509, one surface of one support rod is in threaded connection with a limit bolt, one end of the limit bolt is in threaded penetrating connection with the surface of each rotating ring 508, the rotating rings 508 are limited by the limit bolt, the rotation of the rotating rings 508 is prevented, the connection stability of the two nuts is further enhanced, one side surface of the connecting plate 506 is fixedly provided with a connecting post which is slidably connected with the inside of each arc-shaped groove 509, the surface fixed mounting of swivel becket 508 has pulling rod 510, and first spout has been seted up to the surface of solid fixed ring 507, and pulling rod 510 sliding connection is in the inside of first spout, can be convenient for the staff rotate swivel becket 508 through pulling rod 510 to the staff's operation of being convenient for installs and dismantles.
The both ends of lead screw body 1 all are equipped with installation end 6, and the quantity of installation end 6 is two.
The seal groove 7 has been seted up on one side surface of first nut 2, and one side surface fixed mounting of second nut 3 has sealing ring 8, and sealing ring 8 peg graft in the inside of seal groove 7, through the setting of seal groove 7 and sealing ring 8, can prevent that the dust from entering into the inside of nut through the gap of being connected between two nuts to influence its working property.
Reserved mounting holes are formed in the surface of the annular baffle 4, and the reserved mounting holes are distributed on the surface of the annular baffle 4 in an annular array.
In the utility model, the working steps of the device are as follows:
The staff is connected second nut 3 and first nut 2, first slide in the inside of first spout through pulling rod 510, drive swivel 508 and rotate, swivel 508 rotates and makes the spliced pole remove to the other end from the inside one end of arc wall 509 under the effect of arc wall 509, make the spliced pole drive connecting plate 506 upwards slide, and make inside reset spring 505 carry out atress shrink, then insert the plugboard 502 of second nut 3 surface first fixed block 501 to the inside of second fixed block 503, then loosen pulling rod 510, under reset force of reset spring 505, drive spacing post 504 and insert in the surface of plugboard 502, then carry out the secondary fixation with swivel 508 through spacing bolt, when dismantling when needs, then otherwise.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a novel double nut ball screw pair, includes lead screw body (1), its characterized in that: the screw rod comprises a screw rod body (1), wherein a first nut (2) and a second nut (3) are arranged on two sides of the surface of the screw rod body (1), an annular baffle (4) is fixedly arranged on one side surface of the first nut (2), and a butt joint assembly (5) is fixedly arranged on the surfaces of the first nut (2) and the second nut (3);
The butt joint assembly (5) comprises a first fixed block (501) fixedly mounted on the outer surface of a second nut (3), the first fixed block (501) is distributed on the outer surface of the second nut (3) in an annular array, a plug board (502) is fixedly mounted on one side surface of the first fixed block (501), a second fixed block (503) is fixedly mounted on the outer surface of the first nut (2) in an annular array, the plug board (502) penetrates through the second fixed block (503) in a sliding mode, a limit column (504) is connected to the second fixed block (503) in a sliding mode, the limit column (504) is inserted into the upper surface of the plug board (502), a cavity is formed in the second fixed block (503), a reset spring (505) is fixedly mounted on the inner top wall of the cavity, a connecting piece is fixedly mounted on one end of the reset spring (505) on the surface of the limit column (504), and a connecting plate (506) is fixedly mounted on the top of the limit column (504).
2. The novel double-nut ball screw pair according to claim 1, wherein: the outer surface fixed mounting of first nut (2) has a plurality of bracing piece, one side surface fixed mounting of bracing piece has solid fixed ring (507), the inside sliding connection of solid fixed ring (507) has swivel becket (508), a plurality of arc groove (509) have been seted up on the surface of swivel becket (508), one of them the surface threaded connection of bracing piece has a limit bolt, limit bolt one end screw thread through connection is in the surface of swivel becket (508).
3. The novel double-nut ball screw pair according to claim 2, wherein: one side surface fixed mounting of connecting plate (506) has the spliced pole, spliced pole sliding connection is in the inside of arc groove (509), the surface fixed mounting of swivel becket (508) has pulling rod (510), first spout has been seted up to the surface of solid fixed ring (507), pulling rod (510) sliding connection is in the inside of first spout.
4. The novel double-nut ball screw pair according to claim 1, wherein: the screw rod is characterized in that two ends of the screw rod body (1) are respectively provided with two mounting ends (6), and the number of the mounting ends (6) is two.
5. The novel double-nut ball screw pair according to claim 1, wherein: a sealing groove (7) is formed in one side surface of the first nut (2), a sealing ring (8) is fixedly mounted on one side surface of the second nut (3), and the sealing ring (8) is inserted into the sealing groove (7).
6. The novel double-nut ball screw pair according to claim 1, wherein: reserved mounting holes are formed in the surface of the annular baffle plate (4), and the reserved mounting holes are distributed on the surface of the annular baffle plate (4) in an annular array.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322797148.XU CN221347763U (en) | 2023-10-18 | 2023-10-18 | Novel double-nut ball screw pair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322797148.XU CN221347763U (en) | 2023-10-18 | 2023-10-18 | Novel double-nut ball screw pair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221347763U true CN221347763U (en) | 2024-07-16 |
Family
ID=91831751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322797148.XU Active CN221347763U (en) | 2023-10-18 | 2023-10-18 | Novel double-nut ball screw pair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221347763U (en) |
-
2023
- 2023-10-18 CN CN202322797148.XU patent/CN221347763U/en active Active
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