CN209587076U - A kind of ball guide screw nat preloads controllable device - Google Patents
A kind of ball guide screw nat preloads controllable device Download PDFInfo
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- CN209587076U CN209587076U CN201920124355.XU CN201920124355U CN209587076U CN 209587076 U CN209587076 U CN 209587076U CN 201920124355 U CN201920124355 U CN 201920124355U CN 209587076 U CN209587076 U CN 209587076U
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- nut
- screw
- feed screw
- screw rod
- screw nut
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Abstract
The utility model discloses a kind of ball guide screw nats to preload controllable device, including screw rod, the first feed screw nut is socketed on the left of the outer surface of screw rod, the second feed screw nut is socketed on the right side of the outer surface of screw rod, rubber ring is equipped between second feed screw nut and the first feed screw nut, rubber ring set is connected to the outer surface of screw rod, the left end of first feed screw nut is fixed with the first connection plectane by the first screw, the right-hand end of second feed screw nut is fixed with the second connection plectane by the second screw, the outer surface of second connection plectane and the first connection plectane is socketed with feed screw nut's housing, screw rod is equipped in the interior bone of second connection plectane, one end of screw rod connect plectane with first and is fixedly connected, the other end of screw rod is threaded with nut.This ball guide screw nat preloads controllable device, and structure is simple, can turn nut manually according to external load, manually adjust axial force, easy to accomplish, reduces costs.
Description
Technical field
The utility model relates to ball guide screw nat technical field, specially a kind of ball guide screw nat preloads can
Control device.
Background technique
Ball guide screw nat (abbreviation ball wire bar pair) is the desired transmission that rotary motion and linear motion are mutually converted
Device, being structurally characterized in that between the feed screw nut with helicla flute equipped with ball (as intermediate transmission element) for it, is rubbed with reducing
It wipes.In the prior art: the patent that application publication number is 104551867 A of CN discloses a kind of ball guide screw nat and preloads
Controllable device, described device is by lead screw (1), joint bolt (2), left screw (3), piezoelectric transducer (4), annular magnet coil
(5), right screw (6) and screw housing (7) composition；Left screw (3) and right screw (6) pass through joint bolt (2) and are connected to screw
Housing (7)；Annular magnet coil (5) is built-in and is fixed on right screw (6), and in use, the free end of right screw is set
It is equipped with annular magnet coil, axial suction is generated to left screw, forms precompression, is additionally provided with piezoelectric transducer, production bothers,
And cost is increased, annular magnet coil and piezoelectric transducer are easy to damage, and service life is short.
Utility model content
The technical problems to be solved in the utility model is to overcome existing defect, and it is preloading to provide a kind of ball guide screw nat
Lotus controllable device, structure is simple, can turn nut manually according to external load, manually adjust axial force, easy to accomplish, reduces
Cost, can effectively solve the problems in background technique.
To achieve the above object, the utility model provides the following technical solutions: a kind of ball guide screw nat preloads can
Device, including screw rod are controlled, the first feed screw nut, set on the right side of the outer surface of the screw rod are socketed on the left of the outer surface of the screw rod
It is connected to the second feed screw nut, rubber ring is equipped between the second feed screw nut and the first feed screw nut, rubber ring set is connected to screw rod
The left end of outer surface, the first feed screw nut is fixed with the first connection plectane, the right side of the second feed screw nut by the first screw
Side end is fixed with the second connection plectane by the second screw, and the outer surface that the second connection plectane and first connect plectane is socketed with
Feed screw nut's housing, the interior bone of the second connection plectane is interior to be equipped with screw rod, and one end of screw rod connect the fixed company of plectane with first
It connects, the other end of screw rod is threaded with nut.
As a kind of optimal technical scheme of the utility model, the two side ends of the rubber ring are triangular in shape, the second screw rod
The side of nut and the first feed screw nut are equipped with the annular groove matched with rubber ring.
As a kind of optimal technical scheme of the utility model, the inner wall of feed screw nut's housing is equipped with sliding slot, sliding slot
Quantity be four and to be angularly arranged.
As a kind of optimal technical scheme of the utility model, the outer surface of the first connection plectane is equipped with and sliding slot phase
First sliding block of cooperation, the quantity of the first sliding block are four and are angularly arranged.
As a kind of optimal technical scheme of the utility model, the outer surface of the second connection plectane is equipped with and sliding slot phase
Second sliding block of cooperation, the quantity of the second sliding block are four and are angularly arranged.
Compared with prior art, the utility model has the beneficial effects that this ball guide screw nat preloads controllable device,
By turning nut, the first feed screw nut and the second feed screw nut are mutually close, form precompression, and the first feed screw nut and the
Rubber ring is compressed when two feed screw nuts are mutually close, and rubber ring applies to the first feed screw nut and the second feed screw nut reversed simultaneously
Active force forms axial force, axial force can be manually adjusted according to external load, and structure is simple, easy to accomplish, reduces cost.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model schematic diagram of internal structure；
Fig. 3 is structural schematic diagram at the utility model A.
In figure: 1 screw rod, 2 feed screw nut's housings, 3 sliding slots, 4 screw rods, 5 nuts, 6 first screws, 7 first feed screw nuts, 8
Second feed screw nut, 9 second screws, 10 second sliding blocks, 11 second connection plectanes, 12 first connection plectanes, 13 first sliding blocks, 14
Annular groove, 15 rubber rings.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1-3, the utility model provides a kind of technical solution: a kind of ball guide screw nat preloads controllable dress
It sets, including screw rod 1, the first feed screw nut 7 is socketed on the left of the outer surface of screw rod 1, is socketed with second on the right side of the outer surface of screw rod 1
Feed screw nut 8, and rubber ring 15 is equipped between the second feed screw nut 8 and the first feed screw nut 7, and rubber ring 15 is socketed on screw rod 1
The two side ends of outer surface, rubber ring 15 are triangular in shape, and the side of the second feed screw nut 8 and the first feed screw nut 7 are equipped with and rubber
The annular groove 14 that rubber ring 15 matches, is used for clamping rubber ring 15, and the left end of the first feed screw nut 7 passes through the first screw
6 are fixed with the first connection plectane 12, and the first connection plectane 12 is detachable, and the right-hand end of the second feed screw nut 8 passes through the second spiral shell
Nail 9 is fixed with the second connection plectane 11, and the second connection plectane 11 is detachable, and the second connection plectane 11 and first connects plectane 12
Outer surface is socketed with feed screw nut's housing 2, and the inner wall of feed screw nut's housing 2 is equipped with sliding slot 3, and the quantity of sliding slot 3 is four and waits
The outer surface of angle setting, the first connection plectane 12 is equipped with the first sliding block 13 matched with sliding slot 3, the quantity of the first sliding block 13
It is arranged for four and angularly, the outer surface of the second connection plectane 11 is equipped with the second sliding block 10 matched with sliding slot 3, and second is sliding
The quantity of block 10 is four and is angularly arranged, and sliding is facilitated to take out feed screw nut's housing 2, and the inside of the second connection plectane 11 is logical
Screw rod 4 is equipped in hole, one end of screw rod 4 connect plectane 12 with first and is fixedly connected, and the other end of screw rod 4 is threaded with nut
5, nut 5 is turned, the first feed screw nut 7 and the second feed screw nut 8 are mutually close, and rubber ring 15 is compressed, rubber ring 15 to first
Feed screw nut 7 and the second feed screw nut 8 apply opposition, form axial force, can turn spiral shell manually according to external load
Mother 5, manually adjusts axial force, easy to accomplish, reduces costs.
When in use: rubber ring 15 being socketed in the outer surface of screw rod 1, then respectively by the first feed screw nut 7 and second
Feed screw nut 8 is socketed in the outer surface of screw rod 1, and rubber ring 15 is fixed in annular groove 14, and then screw rod 4 passes through second and connects
The through-hole inside plectane 11 is connect, then screws on nut 5 again, finally feed screw nut's housing 2 is slidably socketed and connects plectane in first
12 and second connection plectane 11 outer surface, in use process, turn nut 5, the first feed screw nut 7 and the second screw rod spiral shell manually
Mother 8 is mutually close, and rubber ring 15 is compressed, and rubber ring 15 applies acting in opposition to the first feed screw nut 7 and the second feed screw nut 8
Power forms axial force, can turn nut 5 manually according to external load, adjusts axial force.
The utility model structure is simple, turns nut 5, the first feed screw nut 7 and the second feed screw nut 8 are mutually close, rubber
Ring 15 is compressed, and rubber ring 15 applies opposition to the first feed screw nut 7 and the second feed screw nut 8, forms axial force, can
To turn nut 5 manually according to external load, axial force is manually adjusted, it is easy to accomplish, it reduces costs.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of ball guide screw nat preloads controllable device, including screw rod (1), it is characterised in that: outside the screw rod (1)
It is socketed with the first feed screw nut (7) on the left of surface, is socketed with the second feed screw nut (8) on the right side of the outer surface of the screw rod (1), the
Rubber ring (15) are equipped between two feed screw nuts (8) and the first feed screw nut (7), rubber ring (15) is socketed on the outer of screw rod (1)
The left end on surface, the first feed screw nut (7) is fixed with the first connection plectane (12), the second screw rod by the first screw (6)
The right-hand end of nut (8) is fixed with the second connection plectane (11), the second connection plectane (11) and first by the second screw (9)
The outer surface of connection plectane (12) is socketed with feed screw nut's housing (2), is equipped with spiral shell in the interior bone of the second connection plectane (11)
Bar (4), one end of screw rod (4) connect plectane (12) with first and are fixedly connected, and the other end of screw rod (4) is threaded with nut
(5).
2. a kind of ball guide screw nat according to claim 1 preloads controllable device, it is characterised in that: the rubber
The two side ends of ring (15) are triangular in shape, and the side of the second feed screw nut (8) and the first feed screw nut (7) are equipped with and rubber ring
(15) annular groove (14) matched.
3. a kind of ball guide screw nat according to claim 1 preloads controllable device, it is characterised in that: the screw rod
The inner wall of nut overcoat (2) is equipped with sliding slot (3), and the quantity of sliding slot (3) is four and is angularly arranged.
4. a kind of ball guide screw nat according to claim 1 preloads controllable device, it is characterised in that: described first
The outer surface of connection plectane (12) is equipped with the first sliding block (13) matched with sliding slot (3), and the quantity of the first sliding block (13) is four
It is a and be angularly arranged.
5. a kind of ball guide screw nat according to claim 1 preloads controllable device, it is characterised in that: described second
The outer surface of connection plectane (11) is equipped with the second sliding block (10) matched with sliding slot (3), and the quantity of the second sliding block (10) is four
It is a and be angularly arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920124355.XU CN209587076U (en) | 2019-01-24 | 2019-01-24 | A kind of ball guide screw nat preloads controllable device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920124355.XU CN209587076U (en) | 2019-01-24 | 2019-01-24 | A kind of ball guide screw nat preloads controllable device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209587076U true CN209587076U (en) | 2019-11-05 |
Family
ID=68380311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920124355.XU Active CN209587076U (en) | 2019-01-24 | 2019-01-24 | A kind of ball guide screw nat preloads controllable device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209587076U (en) |
-
2019
- 2019-01-24 CN CN201920124355.XU patent/CN209587076U/en active Active
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