CN221144979U - Shock-resistant flange face bolt - Google Patents

Abstract

The utility model discloses a vibration-resistant flange bolt, which relates to the technical field of fasteners and is used for solving the problem that the existing flange bolt is loose after long-time use.

Description

Shock-resistant flange face bolt

Technical Field

The utility model relates to the technical field of fasteners, in particular to a shock-resistant flange face bolt.

Background

The flange face bolt is called a flange bolt, and a fastener consisting of a hexagonal head part, a flange plate (a gasket under a hexagon is fixed together with the hexagon) and a screw (a cylinder with external threads) is matched with a nut and used for fastening two parts with through holes. This form of connection is called bolting. If the nut is screwed off the bolt, the two parts can be separated, so the bolt connection belongs to detachable connection.

Through retrieval, the patent of China patent grant number CN109356923A discloses a flange face bolt, relates to fastener technical field, including bolt head, bolt shank and connect the screw head with flange portion between the bolt shank, bolt shank and flange portion junction adopt the bolt fillet transition, the flange portion is the flange portion bottom surface towards the bolt shank, the line segment that flange portion bottom surface axial section becomes comprises straightway and curve section, straightway one end link to each other with the bolt fillet end, the other end links to each other with the curve section, the curve section is the evagination curve, though its elastic deformation volume is bigger than ordinary flange face bolt, chucking power is bigger, the end point of curve section on flange portion edge is the tangential point simultaneously for flange portion edge is more easy to laminate with the connecting piece surface, can avoid producing sharp scratch at the edge, but there is not relevant shock attenuation and seal structure in the prior art flange portion bottom, the bolt is easy under the operating mode of long-time vibrations, and bolt fastening engine, speed reducer etc. inside all contain oil to adopt in the prior art can appear after long-time the danger in using.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides the vibration-resistant flange face bolt, which solves the problem that the bottom of the flange part in the prior art provided in the background art has no related damping and sealing structure, the bolt is easy to loosen under the working condition of long-time vibration, and the inside of a bolt-fastened engine, a speed reducer and the like contains oil, so that the risk of oil leakage can occur after the bolt is used for a long time in the prior art.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a shock-resistant flange face bolt, includes flange piece, screw pole and bolt head, flange piece bottom fixed connection screw pole, flange piece top fixed connection bolt head, the standing groove is seted up to flange piece bottom, the standing groove external diameter is 2CM, the standing groove degree of depth is 1CM, place the tetrafluoro packing ring in the standing groove, the tetrafluoro packing ring external diameter is 2CM, tetrafluoro packing ring thickness is 2.2CM, because tetrafluoro packing ring itself has elasticity to can play shock-resistant, locking purpose, install the tetrafluoro packing ring in flange piece bottom simultaneously, when screwing the bolt head, the tetrafluoro packing ring receives airtight extrusion in the standing groove and just coincide inseparabler with flange piece, organism, thereby has played the purpose of leak protection oil.

Preferably, the anti-slip gasket is fixedly connected to the bottom of the flange plate, anti-slip insections are formed in the surface of the anti-slip gasket, and the arrangement of the anti-slip insections in the anti-slip gasket can enable connection between the flange plate and the machine body to be firmer.

Preferably, the anti-slip gasket is located at the outer ring of the tetrafluoro gasket, the thickness of the anti-slip gasket is 1.1CM, the inner diameter of the anti-slip gasket is 3CM, and the thickness of the anti-slip gasket is smaller than the rear part of the tetrafluoro gasket protruding out of the flange piece, so that the using effect of the tetrafluoro gasket can be fully exerted.

Preferably, the whole hexagon that is of bolt head, cross recess is seted up at bolt head top, and the setting of cross recess for the bolt head can screw through the cross screwdriver and move, thereby has improved the device and has made the flexibility.

The utility model provides a shock-resistant flange face bolt. The beneficial effects are as follows:

1. This shock-resistant flange face bolt through seting up the standing groove in flange piece bottom, and the standing groove external diameter sets up to 2CM simultaneously, and the standing groove degree of depth sets up to 1CM, and places the tetrafluoro packing ring in the standing groove, and tetrafluoro packing ring external diameter sets up to 2CM, and tetrafluoro packing ring thickness sets up to 2.2CM, has elasticity owing to tetrafluoro packing ring itself in the device to can play shock-resistant, locking effect, installs the tetrafluoro packing ring in flange piece bottom simultaneously, when screwing the bolt head, the tetrafluoro packing ring receives airtight extrusion in the standing groove just to be inseparabler with the coincide of flange piece, organism, thereby has played the effect of leak protection oil.

2. This shock-resistant flange face bolt through at flange piece bottom fixed connection anti-skidding gasket, and anti-skidding tooth line is seted up on anti-skidding gasket surface, the setting of anti-skidding tooth line in the anti-skidding gasket can increase the frictional force between flange piece and the organism to can make more firm of being connected between flange piece and the organism.

3. According to the vibration-resistant flange face bolt, the cross groove is formed in the top of the bolt head, so that the bolt head can be screwed through the cross screwdriver, the screwing mode of the bolt head is increased, and the use flexibility of the bolt is improved.

Drawings

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

FIG. 2 is a schematic view of the bottom surface structure of the flange plate of the present utility model;

FIG. 3 is a side cross-sectional view of a flange plate of the present utility model;

fig. 4 is a schematic diagram of a cross-shaped groove opening structure according to the present utility model.

In the figure, 1, a flange plate; 2. a screw rod; 3. a bolt head; 4. a placement groove; 5. a tetrafluoro gasket; 6. an anti-slip gasket; 7. cross grooves.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the embodiment of the present utility model provides a technical solution: the utility model provides a shock-resistant flange face bolt, including flange piece 1, screw pole 2 and bolt head 3, flange piece 1 bottom fixed connection screw pole 2, flange piece 1 top fixed connection bolt head 3, standing groove 4 is seted up to flange piece 1 bottom, standing groove 4 external diameter is 2CM, standing groove 4 degree of depth is 1CM, place tetrafluoro packing ring 5 in the standing groove 4, tetrafluoro packing ring 5 external diameter is 2CM, tetrafluoro packing ring 5 thickness is 2.2CM, wherein, the external diameter equals between standing groove 4 and the tetrafluoro packing ring 5, can firmly connect tetrafluoro packing ring 5 in standing groove 4, thereby can avoid tetrafluoro packing ring 5 to appear rocking the phenomenon in the screwing up the in-process; the tetrafluoro gasket 5 has elasticity, so that the effects of shock resistance and loose prevention can be achieved in the use process; and meanwhile, the tetrafluoro gasket 5 is arranged at the bottom of the flange piece 1, and when the bolt head is screwed, the tetrafluoro gasket 5 is subjected to airtight extrusion in the placing groove 4 and the flange piece 1 and the machine body are tightly matched, so that the purpose of oil leakage prevention is achieved.

Referring to fig. 3, the bottom of a flange plate 1 is fixedly connected with an anti-slip gasket 6, and anti-slip insections are formed on the surface of the anti-slip gasket 6; the anti-skid gasket 6 is positioned on the outer ring of the tetrafluoro gasket 5, the thickness of the anti-skid gasket 6 is 1.1CM, and the inner diameter of the anti-skid gasket 6 is 3CM, wherein the arrangement of the anti-skid gasket 6 increases the friction between the flange plate 1 and the machine body, so that the connection is firmer; and meanwhile, the thickness of the anti-skid gasket 6 is set to be smaller than the thickness of the part, protruding out of the flange piece 1, of the tetrafluoro gasket 5, so that the tetrafluoro gasket 5 is tightly contacted with a machine body when the bolt head 3 is screwed down, the tightness is further improved, and the risk of oil leakage is further reduced.

According to the embodiment 2, as shown in the figure 4, the bolt head 3 is hexagonal in shape, the top of the bolt head 3 is provided with a cross groove 7, wherein the bolt head 3 is hexagonal in shape and can be matched with a hexagonal socket and a wrench for use; the cross groove 7 is formed in the top of the bolt head 3 and can be matched with a cross screwdriver for use, so that the applicability of the whole bolt and external tools is improved.

Working principle: in use, the tetrafluoro gasket 5 is placed in the placing groove 4 while the tetrafluoro gasket 5 is pressed inward so that the tetrafluoro gasket 5 is firmly installed in the placing groove 4, then the bolt head 3 can be screwed by using a socket or a wrench, or the bolt head 3 can be screwed by using a cross screwdriver inserted into the cross groove 7, and the screw shaft 2 moves downward along the threaded hole in the machine body until the tetrafluoro gasket 5 is in close contact with the anti-slip washer 6 and the machine body during screwing of the bolt head 3.

The flange plate comprises a flange plate body 1; 2. a screw rod; 3. a bolt head; 4. a placement groove; 5. a tetrafluoro gasket; 6. an anti-slip gasket; 7. the cross groove and the parts are all universal standard parts or parts known to the person skilled in the art, and the structure and the principle of the cross groove are all known to the person skilled in the art through technical manuals or through routine experimental methods.

While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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 disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (4)

1. The utility model provides a shock-resistant flange face bolt, includes flange piece (1), screw (2) and bolt head (3), flange piece (1) bottom fixed connection screw (2), flange piece (1) top fixed connection bolt head (3), its characterized in that: the flange piece (1) bottom is offered standing groove (4), standing groove (4) external diameter is 2CM, standing groove (4) degree of depth is 1CM, place tetrafluoro packing ring (5) in standing groove (4), tetrafluoro packing ring (5) external diameter is 2CM, tetrafluoro packing ring (5) thickness is 2.2CM.

2. The shock resistant flange face bolt of claim 1, wherein: the bottom of the flange piece (1) is fixedly connected with an anti-slip gasket (6), and anti-slip insections are formed on the surface of the anti-slip gasket (6).

3. The shock resistant flange face bolt of claim 2, wherein: the anti-slip gasket (6) is positioned on the outer ring of the tetrafluoro gasket (5), the thickness of the anti-slip gasket (6) is 1.1CM, and the inner diameter of the anti-slip gasket (6) is 3CM.

4. The shock resistant flange face bolt of claim 1, wherein: the bolt head (3) is hexagonal in shape as a whole, and a cross groove (7) is formed in the top of the bolt head (3).