CN219954113U - Double-nut ball screw - Google Patents
Double-nut ball screw Download PDFInfo
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- CN219954113U CN219954113U CN202320745624.0U CN202320745624U CN219954113U CN 219954113 U CN219954113 U CN 219954113U CN 202320745624 U CN202320745624 U CN 202320745624U CN 219954113 U CN219954113 U CN 219954113U
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- screw nut
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- 238000007789 sealing Methods 0.000 claims abstract description 55
- 238000009434 installation Methods 0.000 claims abstract description 28
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 239000011324 bead Substances 0.000 claims description 13
- 230000001105 regulatory effect Effects 0.000 claims description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 12
- 239000000428 dust Substances 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 9
- 229910052742 iron Inorganic materials 0.000 abstract description 6
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 230000033001 locomotion Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000005489 elastic deformation Effects 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a double-nut ball screw, which comprises a screw and a sealing mechanism; screw rod: the left and right sides of its outer cambered surface are respectively movable sleeve and are equipped with ball screw nut one and ball screw nut two, the left end of ball screw nut two is provided with the adjustment gasket, the left end of adjustment gasket and ball screw nut one's right-hand member contact, dodge the groove that the upper and lower both sides of ball screw nut one outer cambered surface were seted up respectively and are connected with the flat key through fastening screw one, the right-hand member of flat key is connected with ball screw nut two's left end through fastening screw two respectively, ball screw nut one and ball screw nut outer cambered surface are provided with the ball return ware respectively in the installation mouth, this double nut ball screw can make sealed pad and double nut ball screw be in sealed tight state all the time, prevent to lead to the fact double nut ball screw's damage under the effect of outside dust or debris iron fillings, double nut ball screw's life has been prolonged.
Description
Technical Field
The utility model relates to the technical field of ball screws, in particular to a double-nut ball screw.
Background
The ball screw is a transmission element most commonly used on tool machinery and precision machinery, and has the main functions of converting rotary motion into linear motion or converting torque into axial repeated acting force, the ball screw nut is divided into a single nut and a double nut, the double nut ball screw is applied by respectively rotating the two nuts in opposite directions, the nuts are fixed by flat keys arranged between the nuts, the axial clearance is eliminated, the rigidity is improved due to prepressing, the double nut load is larger, the stability is strong, the precision is high, and the ball screw is mainly used for transmission of larger equipment;
the double-nut ball screw is required to be pre-tightened by pre-tightening equipment before use, so that an axial gap is eliminated, the rigidity of the ball screw is increased, elastic deformation among the ball, the screw and the double nuts is reduced, then a flat key is used for connecting the two nuts through a fastening screw, so that connection fixation of the double nuts is realized, when the screw rotates relative to the double nuts, the ball rolls in a circular arc-shaped external thread groove arranged on the outer cambered surface of the screw, the screw and the double nuts are forced to perform axial relative movement, and in order to avoid rolling out of the ball from the double nuts, bead return devices are arranged at two ends of a circular arc-shaped spiral groove arranged inside the double nuts, so that the ball can return to the double-nut ball screw to form a closed loop, and rotary movement is converted into linear movement;
the existing double-nut ball screw is damaged due to the effect of dust or sundry scrap iron when in use, the raceway surface is easy to scratch and waste to erode, so that the double-nut ball screw loses precision, in various dustproof methods of the double-nut ball screw, a dustproof ring is commonly arranged on the double nut, the dustproof ring is fixed by a connection method of screwing triangular screw threads, and the double-nut ball screw plays a dustproof role in the transmission process, but because the manufacturing materials of part of the dustproof ring are harder, the jackscrew is difficult to screw in and the jackscrew is shallower in screwing the surface of the dustproof ring, the bearing capacity of the method is low, the impact resistance capability is poor, the reliability is poor, and the dustproof ring is easy to unscrew out of the double nut under the effect of impact torque.
Disclosure of Invention
The utility model aims to overcome the prior art, and provides the double-nut ball screw, the space between the sealing gaskets can be adjusted according to the actual situation through the matching arrangement of the connecting rod and the mounting plate, so that the sealing gaskets are always in a sealing and tightly attached state with the double-nut ball screw, the double-nut ball screw is prevented from being damaged under the action of external dust or sundry scrap iron, the dustproof effect is improved, the service life of the double-nut ball screw is prolonged, and the problems in the background art can be effectively solved.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the double-nut ball screw comprises a screw and a sealing mechanism;
screw rod: the left and right sides of the outer cambered surface are respectively and movably sleeved with a first ball screw nut and a second ball screw nut, the left end of the second ball screw nut is provided with an adjusting gasket, the left end of the adjusting gasket is contacted with the right end of the first ball screw nut, avoidance grooves formed in the upper side and the lower side of the first outer cambered surface of the first ball screw nut are respectively connected with a flat key through a first fastening screw, the right end of the flat key is respectively connected with the left end of the second ball screw nut through a second fastening screw, mounting holes formed in the first ball screw nut and the outer cambered surface of the second ball screw nut are respectively provided with a bead return device, the interior of the bead return device is provided with a bead return channel, balls are uniformly placed in the interior of the whole body formed by the bead return channel and a circular arc-shaped outer thread groove formed in the outer cambered surface of the screw, and the right side of the outer cambered surface of the ball screw nut is provided with a mounting cover;
sealing mechanism: the sealing gasket is arranged outside the ball screw nut II, the distance between the sealing gasket can be adjusted according to actual conditions through the matching of the connecting rod and the mounting plate, the sealing gasket is always in a sealing and tightly attached state with the double-nut ball screw, damage to the double-nut ball screw caused by external dust or sundry scrap iron is prevented, the dustproof effect is improved, and the service life of the double-nut ball screw is prolonged.
Further, sealing mechanism includes mounting panel, sealed pad, mount pad, direction traveller and connecting plate, the mount pad sets up respectively in the right side of the outer cambered surface of ball screw nut, all is provided with the direction traveller in the direction spout that the mount pad right-hand member was seted up, and the equal sliding connection in middle part of the outer cambered surface of direction traveller has the connecting plate, and the connecting plate all with the inner wall sliding connection of direction spout, the right-hand member of connecting plate all is provided with the mounting panel, and the middle part of the relative medial surface of mounting panel all is provided with sealed pad, can prevent to cause the damage of double nut ball screw under the effect of outside dust or debris iron fillings.
Further, sealing mechanism still includes reset spring, reset spring sets up respectively in the connecting plate and is carried away from between the middle part of lateral surface and the inner wall of direction spout mutually, and outside in the direction strut outside is all located to reset spring, can drive the sealed pad through the connecting plate after using and reset.
Further, still include installation pole, chuck, connecting rod, adjust pole, spacing spout and roof, the installation pole passes through the bearing to be rotated and is connected in the mounting groove that the installation cover upper end set up, the chuck sets up in the lower extreme of installation pole, the roof sets up in the downside of installation pole extrados, the connecting rod is rotated through the round pin axle respectively and is connected in the upper end of mounting panel, spacing spout sets up respectively in the middle part of connecting rod upper end, it all sets up in the spread groove that the installation cover right-hand member was seted up to adjust the pole, it is located the inside of vertical adjacent spacing spout respectively to adjust the pole, the relative medial surface of adjusting the pole all contacts with the surface of roof, can adjust sealed position of filling up through the connecting rod.
Further, still include the knob, the knob sets up in the upper end of installation pole, can adjust the position of roof through the installation pole.
Further, still include regulating plate and inserted bar, the sliding hole sliding connection that inserted bar and installation cover front end set up, the rear end of inserted bar is pegged graft with one of them jack that the chuck extrados set up, and the regulating plate sets up in the front end of inserted bar, can lock fixedly to the roof.
Further, the device further comprises a spring, the spring is arranged between the rear end of the adjusting plate and the front wall of the mounting cover, the spring is sleeved outside the front side of the inserting column, and the spring is contracted so as to adjust the position of the inserting column through the adjusting plate.
Compared with the prior art, the utility model has the beneficial effects that: the double-nut ball screw has the following advantages:
before the use, the regulating plate is pulled forward, the spring extends, the regulating plate drives the inserted column and moves forward, make the jack separation that inserted column and chuck extrados set up, afterwards rotatory knob, the knob drives the roof rotatory through the installation pole, when the contact point of roof and connecting rod is from advancing heart to telecentrically changing, the connecting rod begins to rotate to one of them jack that keeps away from the inside center of screw, the spacing of two connecting rod left side increases gradually, it slides to rotate relative spacing spout promptly to adjust the inside of spacing chute, the interval on two connecting rod right sides reduces gradually, thereby drive the sealed one end removal that fills up to being close to the inside center of screw through the mounting panel, reset spring extends, the interval between two sealed pads reduces gradually, finally make two sealed laminating of filling up, thereby the intrados of two sealed pads and the extrados contact of screw, afterwards loosen the regulating plate, thereby drive the inserted column through the regulating plate and move backward, make the inserted column peg graft with one of the jacks that the chuck extrados set up again, thereby the realization is fixed to the locking of roof, prevent under the effect of outside or debris and cause the damage of double nut, through the cooperation setting up of connecting rod and ball, can be in the sealed condition of sealing nut and the ball has been prevented from damaging the ball nut under the effect of the two sealing nut according to the actual conditions.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the front cross-sectional structure of the present utility model;
FIG. 3 is a schematic view of a front cross-sectional plan structure of the present utility model;
FIG. 4 is an enlarged schematic view of the structure of the present utility model at A;
fig. 5 is an enlarged schematic view of the structure of the present utility model at B.
In the figure: 1 screw, 2 ball screw nuts, 3 ball screw nuts two, 4 adjusting gaskets, 5 flat keys, 6 ball return devices, 7 balls, 8 sealing mechanisms, 81 mounting plates, 82 sealing gaskets, 83 mounting seats, 84 guiding sliding columns, 85 connecting plates, 86 reset springs, 9 mounting covers, 10 adjusting plates, 11 inserting columns, 12 springs, 13 mounting rods, 14 knobs, 15 chucks, 16 connecting rods, 17 adjusting rods, 18 limiting sliding grooves and 19 top plates.
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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, the present embodiment provides a technical solution: the double-nut ball screw comprises a screw 1 and a sealing mechanism 8;
lead screw 1: the left and right sides of the outer cambered surface are respectively and movably sleeved with a first ball screw nut 2 and a second ball screw nut 3, the left end of the second ball screw nut 3 is provided with an adjusting gasket 4, the left end of the adjusting gasket 4 is contacted with the right end of the first ball screw nut 2, avoidance grooves formed on the upper side and the lower side of the outer cambered surface of the first ball screw nut 2 are respectively connected with a flat key 5 through a first fastening screw, the right end of the flat key 5 is respectively connected with the left end of the second ball screw nut 3 through a second fastening screw, the mounting openings formed on the outer cambered surfaces of the first ball screw nut 2 and the second ball screw nut 3 are respectively provided with a bead return device 6, the interiors of the bead return devices 6 are respectively provided with a bead return channel, the interiors of a whole body formed by the bead return channel and a circular arc-shaped external thread groove formed on the outer cambered surface of the first ball screw 1 are uniformly provided with balls 7, the right side of the outer cambered surface of the ball screw nut II 3 is provided with a mounting cover 9, the double-nut ball screw is pre-tightened by pre-tightening equipment before use, so that axial clearance is eliminated, the rigidity of the ball screw is increased, elastic deformation among the ball screw 7, the screw 1, the ball screw nut I2 and the ball screw nut II 3 is reduced, then the flat key 5 is connected with the ball screw nut II 3 by a fastening screw II, so that connection and fixation of the ball screw nut II 3 are realized, when the screw 1 rotates relative to the ball screw nut I2 and the ball screw nut II 3, the ball 7 rolls in a circular arc-shaped outer thread groove arranged on the outer cambered surface of the screw 1, the ball screw nut I2 and the ball screw nut II 3 are forced to axially and relatively move, and in order to avoid rolling out of the ball 7 from the ball screw nut I2 and the ball screw nut II 3, the ball return devices 6 are arranged at two ends of the circular arc-shaped spiral grooves arranged in the ball screw nut I2 and the ball screw nut II 3, so that the balls 7 can return to the space between the double nuts and the ball screws to form a closed loop;
sealing mechanism 8: the sealing mechanism 8 comprises a mounting plate 81, sealing gaskets 82, a mounting seat 83, a guide sliding column 84 and a connecting plate 85, wherein the mounting seat 83 is respectively arranged on the right side of the outer cambered surface of the ball screw nut 2, the guide sliding columns 84 are respectively arranged in guide sliding grooves formed in the right end of the mounting seat 83, the middle parts of the outer cambered surfaces of the guide sliding columns 84 are respectively and slidably connected with the connecting plate 85, the connecting plate 85 is respectively and slidably connected with the inner walls of the guide sliding grooves, the right end of the connecting plate 85 is respectively provided with the mounting plate 81, the sealing gaskets 82 are respectively arranged in the middle parts of the opposite inner side surfaces of the mounting plate 81, the sealing mechanism 8 further comprises a reset spring 86, the reset springs 86 are respectively arranged between the middle parts of the opposite outer side surfaces of the connecting plate 85 and the inner walls of the guide sliding grooves, the reset springs 86 are respectively sleeved outside the guide sliding columns 84, the adjusting device drives the sealing gaskets 82 to move towards one end close to the inner center of the screw 1 through the mounting plate 81, the distance between the two sealing gaskets 82 is gradually reduced, the inner cambered surfaces of the two sealing gaskets 82 are respectively and slidably connected with the inner cambered surfaces of the guide sliding grooves, the outer cambered surfaces of the guide sliding grooves of the 1 are respectively, the sealing gaskets 82 are respectively contacted with the outer cambered surfaces of the sealing gaskets 82, the ball screw 82, the sealing gaskets 82 are respectively, the sealing gaskets 82 are tightly arranged between the sealing gaskets 82 and the ball screw nut is tightly or the sealing nuts are tightly sealed under the condition that the sealing nuts are tightly or the sealing nuts are tightly sealed, and the sealing nuts are in the sealing and the sealing nuts, and the sealing nuts are in and the sealing and are in and the dust, and the dust are in and the dust.
Wherein: still include installation pole 13, chuck 15, connecting rod 16, adjust pole 17, spacing spout 18 and roof 19, installation pole 13 passes through the bearing rotation to be connected in the mounting groove that installation cover 9 upper end set up, chuck 15 sets up in the lower extreme of installation pole 13, roof 19 sets up in the downside of installation pole 13 extrados, connecting rod 16 rotates the upper end of connecting in mounting panel 81 through the round pin axle respectively, spacing spout 18 sets up the middle part in connecting rod 16 upper end respectively, adjust pole 17 all sets up in the spread groove that the installation cover 9 right-hand member was seted up, adjust pole 17 is located the inside of vertical adjacent spacing spout 18 respectively, the relative medial surface of adjusting pole 17 all contacts with the surface of roof 19, afterwards rotatory adjusting device, adjusting device drives roof 19 rotatory through installation pole 13, when roof 19 and connecting rod 16's contact point from advancing the heart to telecentric change, connecting rod 16 begins to the one end rotation that keeps away from lead screw 1 inside center, the interval on the left side of two connecting rods 16 increases gradually, adjust pole 17 rotates the inside of spacing spout 18 relatively again, the interval on the right side of two connecting rods 16 reduces gradually, thereby drive the inside of sealing pad 82 and be close to 1 the inside of sealing pad 82, the ball nut 82 is prevented from sealing pad 82 is down to the two sealing pad's the inside the sealing pad 82 is reached between two sealing pad's the outside, the sealing pad 82 is sealed with two sealing pad 82 is sealed, the sealing pad 82 is prevented from contacting the outside.
Wherein: still include knob 14, knob 14 sets up in the upper end of installation pole 13, rotatory knob 14, knob 14 passes through installation pole 13 and drives roof 19 rotatory, when roof 19 and connecting rod 16's contact point from advancing the heart to telecentric change, connecting rod 16 begins to rotate to the one end that keeps away from lead screw 1 inside center, the interval of two connecting rods 16 left side increases gradually, adjust pole 17 rotates in the inside of spacing spout 18 promptly and slides relative spacing spout 18 again, the interval on two connecting rods 16 right side reduces gradually, thereby drive sealed pad 82 through mounting panel 81 and remove to the one end that is close to lead screw 1 inside center, reset spring 86 extends, make the interval between two sealed pads 82 reduce gradually, make two sealed pads 82 seal the laminating at last.
Wherein: still include regulating plate 10 and inserted bar 11, the sliding connection of inserted bar 11 and the slide hole sliding connection that the installation cover 9 front end set up, the rear end of inserted bar 11 is pegged graft with one of them jack that chuck 15 extrados set up, and inserted bar 11 is pegged graft with one of them jack that chuck 15 extrados set up to realize fixing the locking of roof 19.
Wherein: the spring 12 is arranged between the rear end of the adjusting plate 10 and the front wall of the mounting cover 9, the spring 12 is sleeved outside the front side of the inserting column 11, then the adjusting plate 10 is loosened, the spring 12 is contracted, and accordingly the inserting column 11 is driven to move backwards through the adjusting plate 10, the inserting column 11 is spliced with one of the jacks arranged on the outer cambered surface of the chuck 15 again, and accordingly locking and fixing of the top plate 19 are achieved.
The working principle of the double-nut ball screw provided by the utility model is as follows: before use, the double-nut ball screw is pre-tightened through pre-tightening equipment, so that axial clearance is eliminated, the rigidity of the ball screw is increased, elastic deformation among the ball 7, the screw 1, the ball screw nut I2 and the ball screw nut II 3 is reduced, then the flat key 5 is connected with the ball screw nut II 3 through the fastening screw II, so that connection fixation of the ball screw nut II 3 is realized, when the screw 1 rotates relative to the ball screw nut I2 and the ball screw nut II 3, the ball 7 rolls in the arc-shaped external thread groove arranged on the outer cambered surface of the screw 1, the screw 1 and the ball screw nut I2 and the ball screw nut II 3 are forced to axially move relatively, in order to avoid the ball 7 rolling out from the ball screw nut I2 and the ball screw nut II 3, ball return devices 6 are arranged at two ends of the arc-shaped spiral grooves arranged inside the ball screw nut I2 and the ball screw nut II 3, before use, the adjusting plate 10 is pulled forward, the spring 12 extends, the adjusting plate 10 drives the inserting column 11 to move forward, the inserting column 11 is separated from the inserting hole arranged on the outer cambered surface of the chuck 15, then the knob 14 is rotated, the knob 14 drives the top plate 19 to rotate through the mounting rod 13, when the contact point of the top plate 19 and the connecting rod 16 changes from center to telecentricity, the connecting rod 16 starts to rotate towards one end far from the inner center of the screw 1, the distance between the left sides of the two connecting rods 16 is gradually increased, the adjusting rod 17 rotates in the limiting chute 18 and slides relative to the limiting chute 18, the distance between the right sides of the two connecting rods 16 is gradually reduced, the sealing gasket 82 is driven to move towards one end close to the inner center of the screw 1 through the mounting plate 81, the reset spring 86 extends, the interval between two sealing pads 82 is reduced gradually, makes two sealing pads 82 seal the laminating at last, and the intrados of two sealing pads 82 and the extrados of lead screw 1 contact this moment, then unclamp regulating plate 10, thereby spring 12 shrink drives through regulating plate 10 and inserts post 11 and remove backward, makes inserting post 11 peg graft with one of them jack that chuck 15 extrados set up again to realize fixing the locking of roof 19, prevent to cause double nut ball screw's damage under the effect of outside dust or debris iron fillings.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (7)
1. Double nut ball screw, its characterized in that: comprises a screw rod (1) and a sealing mechanism (8);
screw (1): the left and right sides of the outer cambered surface are respectively and movably sleeved with a first ball screw nut (2) and a second ball screw nut (3), the left end of the second ball screw nut (3) is provided with an adjusting gasket (4), the left end of the adjusting gasket (4) is contacted with the right end of the first ball screw nut (2), avoidance grooves formed in the upper side and the lower side of the outer cambered surface of the first ball screw nut (2) are respectively connected with a flat key (5) through a first fastening screw, the right end of the flat key (5) is respectively connected with the left end of the second ball screw nut (3) through a second fastening screw, mounting ports formed in the outer cambered surfaces of the first ball screw nut (2) and the second ball screw nut (3) are respectively provided with a bead returning device (6), the inner parts of the bead returning devices (6) are respectively provided with bead returning channels, balls (7) are uniformly arranged in the whole inner parts formed by the bead returning channels and circular arc-shaped outer thread grooves formed in the outer cambered surfaces of the first ball screw nut (1), and the right side of the outer cambered surface of the second ball screw nut (3) is provided with a mounting cover (9);
sealing mechanism (8): which is arranged outside the ball screw nut II (3).
2. The double-nut ball screw as in claim 1, wherein: sealing mechanism (8) are including mounting panel (81), sealed pad (82), mount pad (83), direction traveller (84) and connecting plate (85), mount pad (83) set up respectively on the right side of ball screw nut two (3) extrados, all are provided with direction traveller (84) in the direction spout that mount pad (83) right-hand member was seted up, the equal sliding connection in middle part of direction traveller (84) extrados has connecting plate (85), connecting plate (85) all with the inner wall sliding connection of direction spout, the right-hand member of connecting plate (85) all is provided with mounting panel (81), the middle part of mounting panel (81) relative medial surface all is provided with sealed pad (82).
3. The double-nut ball screw as in claim 2, wherein: the sealing mechanism (8) further comprises return springs (86), the return springs (86) are respectively arranged between the middle parts of the opposite outer sides of the connecting plates (85) and the inner walls of the guide sliding grooves, and the return springs (86) are sleeved outside the outer sides of the guide sliding columns (84).
4. The double-nut ball screw as in claim 2, wherein: still including installation pole (13), chuck (15), connecting rod (16), regulation pole (17), spacing spout (18) and roof (19), installation pole (13) are rotated through the bearing and are connected in the mounting groove that installation cover (9) upper end set up, chuck (15) set up in the lower extreme of installation pole (13), roof (19) set up in the downside of installation pole (13) extrados, connecting rod (16) are rotated through the round pin axle respectively and are connected in the upper end of mounting panel (81), spacing spout (18) set up respectively in the middle part of connecting rod (16) upper end, regulation pole (17) all set up in the spread groove that the installation cover (9) right-hand member was seted up, regulation pole (17) are located the inside of vertical adjacent spacing spout (18) respectively, the relative medial surface of regulation pole (17) all contacts with the surface of roof (19).
5. The double nut ball screw as claimed in claim 4, wherein: the device also comprises a knob (14), wherein the knob (14) is arranged at the upper end of the mounting rod (13).
6. The double nut ball screw as claimed in claim 4, wherein: still include regulating plate (10) and inserted column (11), the sliding hole sliding connection that inserted column (11) and installation cover (9) front end set up, the rear end of inserted column (11) is pegged graft with one of them jack that chuck (15) extrados set up, and regulating plate (10) set up in the front end of inserted column (11).
7. The double-nut ball screw as in claim 6, wherein: the spring (12) is arranged between the rear end of the adjusting plate (10) and the front wall of the mounting cover (9), and the spring (12) is sleeved outside the front side of the inserting column (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320745624.0U CN219954113U (en) | 2023-04-07 | 2023-04-07 | Double-nut ball screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320745624.0U CN219954113U (en) | 2023-04-07 | 2023-04-07 | Double-nut ball screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219954113U true CN219954113U (en) | 2023-11-03 |
Family
ID=88552957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320745624.0U Active CN219954113U (en) | 2023-04-07 | 2023-04-07 | Double-nut ball screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219954113U (en) |
-
2023
- 2023-04-07 CN CN202320745624.0U patent/CN219954113U/en active Active
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