CN216895614U - Ball screw sealing device - Google Patents
Ball screw sealing device Download PDFInfo
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- CN216895614U CN216895614U CN202122259163.XU CN202122259163U CN216895614U CN 216895614 U CN216895614 U CN 216895614U CN 202122259163 U CN202122259163 U CN 202122259163U CN 216895614 U CN216895614 U CN 216895614U
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Abstract
The utility model provides a ball screw sealing device, and relates to the field of ball screws. The ball screw sealing device comprises a screw, an outer ring is arranged outside the screw through a ball meshing sleeve, and a nut is sleeved outside the outer ring and further comprises: the connecting ring is embedded at one end of the outer ring; the elastic clamping piece is embedded in the outer ring and used for fixing the connecting ring; and one end of the connecting ring is connected with the sealing ring. The ball screw sealing device provided by the utility model has the advantages that the connecting ring is fixed with the outer ring through the elastic clamping piece, the elastic clamping piece and the connecting ring are of a two-layer clamping structure, so that the connecting ring can be clamped in the outer ring more firmly and is more convenient and fast to disassemble, and meanwhile, the sealing ring is fixed with the connecting ring through threads, and can be replaced only by rotating when being disassembled or assembled.
Description
Technical Field
The utility model relates to the field of ball screws, in particular to a ball screw sealing device.
Background
The ball screw is the most commonly used transmission element on tool machinery and precision machinery, has the main function of converting rotary motion into linear motion or converting torque into axial repeated acting force, and has the characteristics of high precision, reversibility and high efficiency. Ball screws are widely used in various industrial equipments and precision instruments due to their small frictional resistance.
The sealing device on the existing ball screw is mostly clamped firstly, and then is fixed by a plurality of bolts, and the sealing device is replaced in the later period by the mode, so that the operation is more complicated, and the practicability is lower.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a ball screw sealing device which is more convenient to disassemble.
The ball screw sealing device provided by the utility model comprises: the lead screw, the lead screw is outside to be equipped with the outer lane through ball meshing cover, the outside cover of outer lane is equipped with the nut, still includes: the connecting ring is embedded at one end of the outer ring; the elastic clamping piece is embedded in the outer ring and used for fixing the connecting ring; and one end of the connecting ring is connected with the sealing ring.
Preferably, a first circular groove is formed in one end of the outer ring, an elastic clamping piece is fixedly connected to the bottom of the first circular groove, and the connecting ring is clamped in the first circular groove in the outer ring through the elastic clamping piece.
Preferably, the elastic clamping piece comprises a limiting clamping block, one side of the limiting clamping block is fixedly connected with the bottom of the first circular groove, a second circular groove is formed in one side of the limiting clamping block, a spring is fixedly connected with the bottom of the second circular groove, a limiting ball is fixedly connected with the other end of the spring, and the limiting ball is clamped with the connecting ring.
Preferably, a limiting clamping groove is formed in one end of the connecting ring, the limiting clamping block is clamped with the limiting clamping groove, an arc-shaped groove is formed in the bottom of one side of the limiting clamping groove, and the limiting ball is clamped with the arc-shaped groove.
Preferably, clamping ring one end is connected with the sealing washer, specifically is, thread groove has been seted up to clamping ring one end, sealing washer one end fixedly connected with fixing collar, the external screw thread has been seted up to fixing collar outer wall, the sealing washer passes through fixing collar and clamping ring threaded connection.
Preferably, the connecting ring is detachable.
Compared with the related art, the ball screw sealing device provided by the utility model has the following beneficial effects:
the utility model provides a ball screw sealing device, wherein a connecting ring is fixed with an outer ring through an elastic clamping piece, the elastic clamping piece and the connecting ring are of a two-layer clamping structure, so that the connecting ring can be clamped in the outer ring more firmly and is more convenient and fast to disassemble, and meanwhile, a sealing ring is fixed with the connecting ring through threads, and can be replaced only by rotating when being disassembled or assembled.
Drawings
Fig. 1 is a schematic overall structure diagram of a ball screw sealing device according to a preferred embodiment of the present invention;
FIG. 2 is a schematic illustration of the partially exploded view of FIG. 1 according to the present invention;
FIG. 3 is a cross-sectional structural view of the coupling ring of the present invention;
fig. 4 is a schematic structural diagram of the elastic card member of the present invention.
Reference numbers in the figures: 1. a lead screw; 2. a nut; 3. an outer ring; 4. a seal ring; 5. a first circular groove; 6. a connecting ring; 7. the elastic clamping piece; 71. a limiting clamping block; 72. a second circular groove; 73. a spring; 74. a limiting ball; 8. a fixed collar; 9. a thread groove; 10. a limiting clamping groove; 11. an arc-shaped groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
Referring to fig. 1 to 4, a ball screw sealing device according to an embodiment of the present invention includes: screw 1, 1 outside of screw is equipped with outer lane 3 through ball meshing cover, 3 outside covers of outer lane are equipped with nut 2, still include: the connecting ring 6 is embedded at one end of the outer ring 3; the elastic clamping piece 7 is embedded in the outer ring 3 and used for fixing the elastic clamping piece 7 of the connecting ring 6; and one end of the connecting ring 6 is connected with the sealing ring 4.
It should be noted that: fix clamping ring 6 through elasticity fastener 7 and outer lane 3, because elasticity fastener 7 is two-layer joint structure with clamping ring 6 to can make clamping ring 6 more firm in 3 inside joints in outer lane, and also more convenient when dismantling, sealing washer 4 is through with 6 threaded fixation of clamping ring simultaneously, when dismantling or installing, only need rotate and can accomplish the change.
In an embodiment of the present invention, please refer to fig. 2, fig. 3 and fig. 4, one end of the outer ring 3 is provided with a first circular groove 5, a position of a bottom of the first circular groove 5 is fixedly connected with an elastic clamping piece 7, and the connecting ring 6 is clamped in the first circular groove 5 in the outer ring 3 through the elastic clamping piece 7;
the elastic clamping piece 7 comprises a limiting clamping block 71, one side of the limiting clamping block 71 is fixedly connected with the bottom of the first circular groove 5, a second circular groove 72 is formed in one side of the limiting clamping block 71, a spring 73 is fixedly connected with the bottom of the second circular groove 72, a limiting ball 74 is fixedly connected with the other end of the spring 73, and the limiting ball 74 is clamped with the connecting ring 6;
one end of the connecting ring 6 is provided with a limiting clamping groove 10, the limiting clamping block 71 is clamped with the limiting clamping groove 10, the bottom of one side of the limiting clamping groove 10 is provided with an arc-shaped groove 11, and the limiting ball 74 is clamped with the arc-shaped groove 11;
the connecting ring 6 is detachable;
it should be noted that: when the device is used, the connecting ring 6 is placed in the first circular groove 5 at one end of the outer ring 3, so that the limiting clamping groove 10 on the connecting ring 6 is in primary clamping connection with the limiting clamping block 71 in the elastic clamping piece 7, and because the spring 73 in the elastic clamping piece 7 is in an extended state, when the limiting clamping block 71 is in contact with the limiting clamping groove 10, the spring 73 has elastic performance, so that the limiting ball 74 is driven to be compressed into the second circular groove 72, at the moment, the connecting ring 6 continues to move into the first circular groove 5, and until the limiting clamping block 71 drives the spring 73 and the limiting ball 74 to move to the arc-shaped groove 11 in the connecting ring 6, the limiting ball 74 and the arc-shaped groove 11 are in further clamping connection, so that the connecting ring 6 and the outer ring 3 are fixed;
it should also be noted that: the connecting ring 6 is fixed with the outer ring 3 through the elastic clamping piece 7, and the elastic clamping piece 7 and the connecting ring 6 are of a two-layer clamping structure, so that the connecting ring 6 can be clamped in the outer ring 3 more firmly and is more convenient and fast to disassemble;
it should also be noted that: because spacing ball 74 is also the arc form, consequently can be better with the matching of arc groove 11, when installing or dismantling the clamping ring 6, the phenomenon that the card is pause can not appear.
In an embodiment of the present invention, referring to fig. 2 and fig. 3, one end of the connecting ring 6 is connected to a sealing ring 4, specifically, one end of the connecting ring 6 is provided with a thread groove 9, one end of the sealing ring 4 is fixedly connected to a fixing collar 8, an outer wall of the fixing collar 8 is provided with an external thread, and the sealing ring 4 is in threaded connection with the connecting ring 6 through the fixing collar 8;
it should be noted that: when the fixing device is used, the fixing clamping ring 8 on the sealing ring 4 is aligned with the thread groove 9 formed in the connecting ring 6, and the fixing clamping ring rotates along the direction of the connecting ring 6, so that the sealing ring 4 is in threaded connection with the connecting ring 6, and the sealing ring 4 is fixed;
it should also be noted that: the sealing ring 4 is fixed with the connecting ring 6 through threads, and can be replaced only by rotating when being detached or installed.
The working principle of the ball screw sealing device provided by the utility model is as follows: when the device is used, the fixing clamping ring 8 on the sealing ring 4 is aligned with the thread groove 9 arranged on the connecting ring 6, and the device rotates along the direction of the connecting ring 6, so that the sealing ring 4 is in threaded connection with the connecting ring 6, thereby fixing the sealing ring 4, the connecting ring 6 is placed in the first circular groove 5 at one end of the outer ring 3, the limiting clamping groove 10 on the connecting ring 6 is in primary clamping connection with the limiting clamping block 71 in the elastic clamping piece 7, because the spring 73 in the elastic clamping piece 7 is in an extended state, when the limiting clamping block 71 is in contact with the limiting clamping groove 10, the spring 73 has self elastic performance, thereby driving the limiting ball 74 to compress in the second circular groove 72, at the moment, the connecting ring 6 continues to move in the first circular groove 5, until the limiting clamping block 71 drives the spring 73 and the limiting ball 74 to move to the arc-shaped groove 11 in the connecting ring 6, the limiting ball 74 and the arc-shaped groove 11 complete further clamping connection, so that the connecting ring 6 and the outer ring 3 are fixed.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (6)
1. Ball sealing device, including lead screw (1), lead screw (1) outside is equipped with outer lane (3) through ball meshing cover, the outside cover of outer lane (3) is equipped with nut (2), its characterized in that still includes:
the connecting ring (6), the said connecting ring (6) is embedded in and connected with one end of the outer race (3);
the elastic clamping piece (7) is embedded in the outer ring (3) and used for fixing the elastic clamping piece (7) of the connecting ring (6);
and one end of the connecting ring (6) is connected with the sealing ring (4).
2. The ball screw sealing device according to claim 1, wherein a first circular groove (5) is formed at one end of the outer ring (3), an elastic clamping piece (7) is fixedly connected to the bottom of the first circular groove (5), and the connecting ring (6) is clamped in the first circular groove (5) in the outer ring (3) through the elastic clamping piece (7).
3. The ball screw sealing device according to claim 2, wherein the elastic clamping piece (7) comprises a limiting clamping block (71), one side of the limiting clamping block (71) is fixedly connected with the bottom of the first circular groove (5), a second circular groove (72) is formed in one side of the limiting clamping block (71), a spring (73) is fixedly connected with the bottom of the second circular groove (72), a limiting ball (74) is fixedly connected with the other end of the spring (73), and the limiting ball (74) is clamped with the connecting ring (6).
4. The ball screw sealing device according to claim 3, wherein one end of the connecting ring (6) is provided with a limiting clamping groove (10), the limiting clamping block (71) is clamped with the limiting clamping groove (10), an arc-shaped groove (11) is formed in the bottom of one side of the limiting clamping groove (10), and the limiting ball (74) is clamped with the arc-shaped groove (11).
5. The ball screw sealing device according to claim 4, wherein one end of the connecting ring (6) is connected with a sealing ring (4), specifically, one end of the connecting ring (6) is provided with a thread groove (9), one end of the sealing ring (4) is fixedly connected with a fixing collar (8), the outer wall of the fixing collar (8) is provided with an external thread, and the sealing ring (4) is in threaded connection with the connecting ring (6) through the fixing collar (8).
6. Ball screw seal according to claim 5, characterised in that the connecting ring (6) is detachable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122259163.XU CN216895614U (en) | 2021-09-17 | 2021-09-17 | Ball screw sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122259163.XU CN216895614U (en) | 2021-09-17 | 2021-09-17 | Ball screw sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216895614U true CN216895614U (en) | 2022-07-05 |
Family
ID=82178248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122259163.XU Active CN216895614U (en) | 2021-09-17 | 2021-09-17 | Ball screw sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216895614U (en) |
-
2021
- 2021-09-17 CN CN202122259163.XU patent/CN216895614U/en active Active
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