Ball nut with dust cover
A ball nut, dust cover technology, applied in the direction of transmission, belt/chain/gear, mechanical equipment, etc., can solve the problem of not being able to produce a better dustproof effect.
Active Publication Date: 2020-07-07
HIWIN TECH
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AI Technical Summary
Problems solved by technology
[0003] Although the above-mentioned patents all utilize the setting of the dust-proof assembly to make the nut achieve the expected dust-proof purpose, the dust-proof assembly of the above-mentioned patent is all arranged on a hollow ring-shaped main body The protruding part that can lean against the ball screw, that is to say, the protruding part of the dust-proof component cannot be adjusted to different depths and angles relative to the ball screw according to requirements, nor can it be adjusted according to the use requirements. dustproof effect
Method used
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Embodiment Construction
[0019] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.
[0020] refer to figure 1 , figure 2 and image 3 , an embodiment of the ball nut with dust cover of the present invention is suitable for screwing on a lead screw 1 extending along an axis L, the lead screw 1 has an outer surface 101, and a helical The screw groove 102 extends and is disposed on the outer surface 101 . The ball nut includes a nut part 10 and a pair of dust-proof covers 20 .
[0021] The nut member 10 is hollow and cylindrical, and has an inner peripheral surface 12 surrounding the axis L and defining a shaft hole 11 , and a lead screw portion 13 protruding from the inner peripheral surface 12 .
[0022] Cooperate see Figure 4 to Figure 6 , the dust cover 20 is installed on the opposite sides of the nut member 10 along the axis L, and is respectively arranged on the outside of the lead screw part 13, and each includes a body 21,...
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The invention discloses a ball nut with a dustproof cover. The ball nut with the dustproof cover comprises a nut part and a dustproof cover, the nut part is provided with a guide screw part, the dustproof cover is arranged on one side of the nut part and comprises a body and at least one scraping brush part which is arranged in the body, the body is provided with at least one positioning groove set, the positioning groove set is provided with a plurality of positioning grooves which are arranged at intervals around the axis, distances between bottoms of the positioning grooves and corresponding openings of the grooves are different, and the scraping brush part is arranged in at least one positioning groove of the positioning groove set and comprises a positioning part positioned at the bottom of the groove and the scraping brush part which is opposite to the positioning part to extend into an inner hole of the body. The scraping brush part can be installed at different positions of thepositioning grooves, so that different scraping-brushing effects are generated for a guide screw rod and a better dustproof effect is thus achieved.
Description
technical field [0001] The invention relates to a transmission device, in particular to a ball nut with a dustproof cover. Background technique [0002] In order to prevent dust, processing fines, cutting fluid and other substances from infiltrating between the ball screw and the nut, a dust-proof component is installed at both ends of the nut. For example, China Taiwan Certificate No. M523023, I464336, I504824, I516694, I571577 and other patent cases. [0003] Although the above-mentioned patents all utilize the setting of the dust-proof assembly to make the nut achieve the expected dust-proof purpose, the dust-proof assembly of the above-mentioned patent is all arranged on a hollow ring-shaped main body The protruding part that can lean against the ball screw, that is to say, the protruding part of the dust-proof component cannot be adjusted to different depths and angles relative to the ball screw according to requirements, nor can it be adjusted according to the use req...
Claims
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IPC IPC(8): F16H25/24
Inventor 洪圣豪留伟伦
Owner HIWIN TECH