CN219606394U

CN219606394U - Bolt hole positioning flange cover

Info

Publication number: CN219606394U
Application number: CN202321236597.0U
Authority: CN
Inventors: 金富强; 张荣民; 马晓红
Original assignee: Hangzhou Hanglin Machinery Manufacturing Co ltd
Current assignee: Hangzhou Hanglin Machinery Manufacturing Co ltd
Priority date: 2023-05-22
Filing date: 2023-05-22
Publication date: 2023-08-29
Anticipated expiration: 2033-05-22

Abstract

The utility model discloses a bolt hole positioning flange cover, and relates to the field of flange covers. The utility model comprises a cover plate, a flange and a pipeline, wherein one side of the cover plate is provided with a lantern ring, a fixed plate and a rotating shaft, the inside of the lantern ring is provided with a nut through a rotating ring, and the outer surface of the nut is provided with a gear.

Description

Bolt hole positioning flange cover

Technical Field

The utility model relates to the field of flange covers, in particular to a bolt hole positioning flange cover.

Background

The flange cover is also called a blind flange and a blind plate. Is a flange without a hole in the middle for sealing the pipeline plug. The function is the same as that of the welding end socket and the screw thread pipe cap, but the welding end socket cannot be disassembled at will, and the blind flange and the screw thread pipe cap can be disassembled at any time.

The flange cover is provided with a plurality of holes, when the flange cover is installed, the holes on the flange cover correspond to the holes on the flange, then the bolts are inserted into the holes, then the flange cover and the flange are fixed by matching the bolts and the nuts, and the bolts are required to be detached one by one when the flange cover is detached, so that the time and the labor are consumed, and the flange cover is very troublesome.

Disclosure of Invention

Based on the above, the utility model aims to provide the bolt hole positioning flange cover so as to solve the technical problem that the traditional flange cover is time-consuming and labor-consuming to detach.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a bolt hole location blind flange, includes apron, flange and pipeline, one side of apron is equipped with lantern ring, fixed plate and pivot, the inside of lantern ring is equipped with the nut through the swivel, the surface of nut is equipped with the gear, be equipped with the ring gear in the pivot, one side of flange is equipped with the locating part, the inside of nut is equipped with the bolt, one side of fixed plate is equipped with the pull rod, the tip of pull rod is equipped with the fastener, be equipped with the spring between fastener and the fixed plate.

Furthermore, the clamping piece is in an arc-shaped design, and the clamping piece is provided with clamping teeth.

By adopting the technical scheme, the arc-shaped design is matched with the gear ring better, and the tooth is meshed with the gear ring, so that the gear ring is not easy to rotate.

Further, the gears are provided with a plurality of groups, and the gears of the groups are meshed with the gear ring.

Through adopting above-mentioned technical scheme, can drive multiunit gear rotation after the ring gear rotates, and then can drive multiunit nut rotation.

Further, the lantern ring is fixed with the cover plate in a welding mode, and the swivel is movably connected with the lantern ring.

Through adopting above-mentioned technical scheme, the lantern ring can carry out spacingly to the swivel, and the swivel then can rotate at the lantern ring.

Further, holes are formed in the cover plate and the flange, and the bolts are matched with the nuts.

By adopting the technical scheme, the holes are convenient for inserting bolts, and the cover plate and the flange can be tightly fixed by matching the bolts and the nuts.

Furthermore, the pull rod is L-shaped, and the pull rod is movably connected with the fixed plate.

By adopting the technical scheme, the L-shaped design can facilitate the pulling of the pull rod by a worker, and the pull rod can move on the fixed plate after being pulled.

In summary, the utility model has the following advantages: the utility model is provided with the limiting piece, the nut, the gear ring, the lantern ring, the swivel, the pull rod, the spring and the clamping piece, when the flange is installed, the hole on the flange corresponds to the hole of the nut, then the bolt is inserted into the hole, the limiting piece limits the bolt, then a worker pulls the pull rod by one hand, the clamping piece is separated from the gear ring, then the gear ring is pulled by one hand, the gear ring rotates to rotate the gear, the nut rotates under the cooperation of the lantern ring and the swivel after the gear rotates, the bolt is driven to slowly move (under the action of the limiting piece, the bolt can only linearly move but can not rotate) until the pipeline and the cover plate are tightly fixed, the plurality of bolts are not required to be fixed one by the worker in the mode, the work efficiency is greatly improved, after the fixing, the pull rod is released by the worker, the clamping piece is clamped on the gear ring again under the cooperation of the spring, the bolt is prevented from loosening due to the self rotation when the gear ring is vibrated mechanically, and the firmness of the flange cover after the installation is greatly improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a limiting member according to the present utility model;

FIG. 3 is a schematic view of a bolt structure according to the present utility model;

fig. 4 is a schematic structural view of a clip according to the present utility model.

In the figure: 1. a cover plate; 2. a flange; 3. a pipe; 4. a rotating shaft; 5. a gear ring; 6. a collar; 7. a limiting piece; 8. a fixing plate; 9. a pull rod; 10. a clamping piece; 11. a spring; 12. a bolt; 13. a swivel; 14. a gear; 15. and (3) a nut.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

Hereinafter, an embodiment of the present utility model will be described in accordance with its entire structure.

The utility model provides a bolt hole location blind flange, as shown in fig. 1-4, including apron 1, flange 2 and pipeline 3, one side of apron 1 is equipped with lantern ring 6, fixed plate 8 and pivot 4, pivot 4 is installed and is not run through apron 1 at the lateral wall of apron 1, flange 2 is fixed on pipeline 3, and the diameter of apron 1 and flange 2 is unanimous and be in the laminating state, the inside of lantern ring 6 is equipped with nut 15 through swivel 13, the surface of nut 15 is equipped with gear 14, gear 14 is equipped with the multiunit, multiunit gear 14 all meshes with ring gear 5, the ring gear 5 rotates the back and can drive multiunit gear 14 and rotate, and then can drive multiunit nut 15 and rotate, be equipped with ring gear 5 on the pivot 4, one side of flange 2 is equipped with locating part 7, the inside of nut 15 is equipped with bolt 12, one side of fixed plate 8 is equipped with pull rod 9, pull rod 9 is "L" font, and pull rod 9 and fixed plate 8 swing joint, "L" font design can be convenient for the staff to pull rod 9, can be movable on fixed plate 8, the tip of arc 9 is equipped with fastener 10, easy to design, and be equipped with tooth 10 and be better with on the fastener 10 and the tooth 5 is equipped with and tooth 5 and the tooth 5 is better and the tooth that the arc is equipped with between the ring gear 5 and the arc-shaped and the tooth that is equipped with between the fixed plate and the tooth 5.

Referring to fig. 1 and 3, the collar 6 is fixed with the cover plate 1 by welding, the swivel 13 is movably connected with the collar 6, the collar 6 can limit the swivel 13, the swivel 13 can rotate in the collar 6, holes are formed in the cover plate 1 and the flange 2, the bolts 12 are matched with the nuts 15, the holes are convenient for inserting the bolts 12, and the bolts 12 are matched with the nuts 15 to tightly fix the cover plate 1 and the flange 2.

The implementation principle of the embodiment is as follows: during installation, a worker inserts the bolt 12 into the hole corresponding to the hole of the nut 15 on the flange 2, the limiting piece 7 limits the bolt, then the worker pulls the pull rod 9 by one hand, further the clamping piece 10 is separated from the gear ring 5, then the gear ring 5 is pulled by one hand, the gear ring 5 rotates to enable the gear 14 to rotate, the nut 15 rotates under the cooperation of the lantern ring 6 and the rotating ring 13 after the gear 14 rotates, the bolt 12 is driven to slowly move under the action of the limiting piece 7, the bolt 12 only can move linearly and cannot rotate until the pipeline 3 and the cover plate 1 are tightly fixed, after the fixing, the worker loosens the pull rod 9, the clamping piece 10 is clamped on the gear ring 5 again under the cooperation of the spring 11, and further the gear ring 5 is prevented from being automatically rotated during mechanical vibration, so that the bolt 12 is loosened.

Although embodiments of the utility model have been shown and described, the detailed description is to be construed as exemplary only and is not limiting of the utility model as the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and modifications, substitutions, variations, etc. may be made in the embodiments as desired by those skilled in the art without departing from the principles and spirit of the utility model, provided that such modifications are within the scope of the appended claims.

Claims

1. The utility model provides a bolt hole location blind flange, includes apron (1), flange (2) and pipeline (3), its characterized in that: one side of apron (1) is equipped with lantern ring (6), fixed plate (8) and pivot (4), the inside of lantern ring (6) is equipped with nut (15) through swivel (13), the surface of nut (15) is equipped with gear (14), be equipped with ring gear (5) on pivot (4), one side of flange (2) is equipped with locating part (7), the inside of nut (15) is equipped with bolt (12), one side of fixed plate (8) is equipped with pull rod (9), the tip of pull rod (9) is equipped with fastener (10), be equipped with spring (11) between fastener (10) and the fixed plate (8).

2. The bolt hole locating flange cover of claim 1, wherein: the clamping piece (10) is in an arc-shaped design, and clamping teeth are arranged on the clamping piece (10).

3. The bolt hole locating flange cover of claim 1, wherein: the gears (14) are provided with a plurality of groups, and the gears (14) of the groups are meshed with the gear ring (5).

4. The bolt hole locating flange cover of claim 1, wherein: the lantern ring (6) is fixed with the cover plate (1) in a welding mode, and the swivel (13) is movably connected with the lantern ring (6).

5. The bolt hole locating flange cover of claim 1, wherein: holes are formed in the cover plate (1) and the flange (2), and the bolts (12) are matched with the nuts (15).

6. The bolt hole locating flange cover of claim 1, wherein: the pull rod (9) is L-shaped, and the pull rod (9) is movably connected with the fixed plate (8).