CN214998747U

CN214998747U - Whole-circle sealing gear ring made of screw bottom

Info

Publication number: CN214998747U
Application number: CN202121415806.9U
Authority: CN
Inventors: 李卫民; 周凤霞
Original assignee: Shanghai Xinbiao Machinery Co ltd
Current assignee: Shanghai Xinbiao Machinery Co ltd
Priority date: 2021-06-24
Filing date: 2021-06-24
Publication date: 2021-12-03
Anticipated expiration: 2031-06-24

Abstract

The utility model discloses a whole week sealed ring gear is done to screw bottom, including screw body, flange and ring gear, screw body comprises nut and double-screw bolt, nut fixed connection is at the top of double-screw bolt, the lower limb department of nut is equipped with the flange, the lower surface of flange is equipped with the ring gear, the ring gear includes inlayer circle tooth and outer circle tooth, inlayer circle tooth and outer circle tooth are concentric form and distribute from inside to outside in proper order. The utility model discloses a lower surface at the flange is equipped with double-deck ring gear, improves the leakproofness of screw and adapting unit junction, is applicable to the assembly work that some sealed requirements are high more, through the oil groove of seting up C shape on the surface of ring gear, can effectively guarantee that sealed oil is detained on the surface of ring gear to and form the oil ring between the tooth's socket on adapting unit surface, improved the leakproofness of junction greatly.

Description

Whole-circle sealing gear ring made of screw bottom

Technical Field

The utility model relates to a fastener technical field specifically is a whole week sealing ring gear is done to screw bottom.

Background

Bolt: mechanical parts, cylindrical threaded fasteners fitted with nuts. A fastener consisting of a head part and a screw (a cylinder with external threads) needs to be matched with a nut and is used for fastening and connecting two parts with through holes. The hexagon bolt is a common connecting fastener and is indispensable in industrial production and assembly production.

At present, when parts with high requirements on sealing performance are fixed, a sealing rubber ring is mostly needed to be used at the joint of a screw, inconvenience is brought to assembly operation, and meanwhile, the sealing rubber ring is easy to age, short in service life and easy to damage. For this reason, a new technical solution needs to be designed for solution.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sealed ring gear of whole week is done to screw bottom, inconvenient problem of operation when having solved among the prior art to sealed spare part installation.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a whole sealed ring gear of week is done to screw bottom, includes screw body, flange and ring gear, the screw body comprises nut and double-screw bolt, nut fixed connection is at the top of double-screw bolt, the lower limb department of nut is equipped with the flange, the lower surface of flange is equipped with the ring gear, the ring gear includes inlayer circle tooth and outer circle tooth, inlayer circle tooth and outer circle tooth are concentric form and distribute in proper order from inside to outside.

As an improvement of the technical scheme, the inner side wall of the inner ring tooth is provided with an inner inclined surface, and the surface of the inner inclined surface is provided with oil grooves I distributed at equal intervals.

As an improvement of the technical scheme, the outer side wall of the outer ring gear is provided with an outer inclined surface, and the surface of the outer inclined surface is provided with oil grooves II distributed at equal intervals.

As the improvement of the technical scheme, the first oil groove and the second oil groove are identical in structure, and the end face of the first oil groove is C-shaped.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a lower surface at the flange is equipped with double-deck ring gear, improves the leakproofness of screw and adapting unit junction, is applicable to the assembly work that some sealed requirements are high more, through the oil groove of seting up C shape on the surface of ring gear, can effectively guarantee that sealed oil is detained on the surface of ring gear to and form the oil ring between the tooth's socket on adapting unit surface, improved the leakproofness of junction greatly.

Drawings

FIG. 1 is a schematic view of a cross-sectional structure of a full-circumference sealing gear ring at the bottom of a screw of the present invention;

fig. 2 is an enlarged schematic view of the a-position of the present invention.

In the figure: the bolt comprises a bolt body-1, a flange-2, a gear ring-3, a nut-4, a stud-5, inner layer ring teeth-6, outer layer ring teeth-7, an inner inclined plane-8, an oil groove I-9, an outer inclined plane-10 and an oil groove II-11.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a whole sealed ring gear of week is done to screw bottom, includes screw body 1, flange 2 and ring gear 3, screw body 1 comprises nut 4 and double-

screw bolt

5, 4 fixed connection at the top of double-screw bolt 5 of nut, the lower limb department of nut 4 is equipped with flange 2, the lower surface of flange 2 is equipped with ring gear 3, ring gear 3 includes inlayer circle tooth 6 and outer circle tooth 7, inlayer circle tooth 6 and outer circle tooth 7 are concentric form and distribute from inside to outside in proper order.

Further improve ground, the inside wall of inlayer circle tooth 6 is equipped with interior inclined plane 8, oil groove 9 that the equidistance distributes is seted up on the surface of interior inclined plane 8, is equipped with interior inclined plane 8 through the inside wall at inlayer circle tooth 6, makes circle tooth and adapting unit surperficial tooth's socket inner wall fully connected, and the inboard leakproofness of screw and adapting unit is increased substantially to oil groove 9 on 8 surperficial inclined planes in the cooperation.

Further improved ground, the lateral wall of outer layer circle tooth 7 is equipped with outer inclined plane 10, the oil groove two 11 that the equidistance distributes is seted up on the surface on outer inclined plane 10, is equipped with outer inclined plane 10 through the lateral wall at outer layer circle tooth 7, makes circle tooth and the tooth's socket inner wall on adapting unit surface fully connected, and the leakproofness in screw and adapting unit outside is increased substantially to the oil groove two 11 on the outer inclined plane 10 surface of cooperation.

The improved structure of the first oil groove 9 is the same as that of the second oil groove 11, the end face of the first oil groove 9 is in a C shape, the first oil groove 9 and the second oil groove 11 are in a C shape, sealing oil is retained on the surface of the ring teeth under the action of tension, and the sealing performance and the stability of the screw connection position are improved.

The utility model discloses a screw body-1, flange-2, ring gear-3, nut-4, double-screw bolt-5, inner circle tooth-6, outer circle tooth-7, interior inclined plane-8, oil groove one-9, outer inclined plane-10, oil groove two-11, the part is the general standard component or the part that technical staff in this field known, its structure and principle all can learn through the technical manual or through conventional experimental method, the utility model discloses a lower surface at flange 2 is equipped with double-deck ring gear 3, improves the leakproofness of screw and adapting unit junction, be more applicable to some assembly work that the sealed requirement is high, through set up the oil groove of C shape on the surface of ring gear 3, can effectively guarantee that sealed oil is detained on the surface of ring gear to form the oil ring between the tooth's socket on adapting unit surface, the sealing performance of the joint is greatly improved.

The utility model discloses when using, twist the bolt with the instrument in adapting unit's connecting hole, when the bolt was twisted to the bottom, the circle tooth of 2 lower surfaces of flange was connected with the tooth's socket on adapting unit surface, utilized interior incline plane 8 and outer incline plane 10 and the abundant laminating of tooth's socket, cooperated oil groove 9 and oil groove two 11 on its surface simultaneously, further improved the leakproofness between ring gear 3 and the tooth's socket.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a whole sealed ring gear of week is done to screw bottom, includes screw body (1), flange (2) and ring gear (3), its characterized in that: screw body (1) comprises nut (4) and double-screw bolt (5), nut (4) fixed connection is at the top of double-screw bolt (5), the lower limb department of nut (4) is equipped with flange (2), the lower surface of flange (2) is equipped with ring gear (3), ring gear (3) are including inlayer circle tooth (6) and outer circle tooth (7), inlayer circle tooth (6) and outer circle tooth (7) are concentric form and distribute in proper order from inside to outside.

2. A screw bottom full perimeter sealing ring gear as claimed in claim 1, wherein: the inner side wall of the inner ring tooth (6) is provided with an inner inclined surface (8), and the surface of the inner inclined surface (8) is provided with oil grooves I (9) distributed at equal intervals.

3. A screw bottom full perimeter sealing ring gear as claimed in claim 2, wherein: the outer side wall of the outer ring gear (7) is provided with an outer inclined surface (10), and the surface of the outer inclined surface (10) is provided with oil grooves II (11) distributed at equal intervals.

4. A screw bottom full circumference sealed ring gear according to claim 3, wherein: the oil groove I (9) and the oil groove II (11) are identical in structure, and the end face of the oil groove I (9) is C-shaped.