Long guide positioning flange face bolt

Abstract

The utility model discloses a long guiding positioning flange face bolt, and particularly relates to the field of machine manufacturing and engineering, the long guiding positioning flange face bolt comprises a bolt rod body, one end of the bolt rod body is fixedly connected with a conveniently-disassembled bolt head, and a first external thread is arranged on one side, close to the conveniently-disassembled bolt head, of the outer surface of one end of the bolt rod body; a second external thread is arranged on the side, away from the convenient-to-disassemble bolt head, of the outer surface of the bolt rod body, the thread direction of the second external thread is opposite to that of the first external thread, and a first inner hexagonal groove is formed in the side, away from the convenient-to-disassemble bolt head, of the center of the end of the convenient-to-disassemble bolt head. An adjustable extrusion assembly is connected to the position, located on the outer side of the first external thread, of the exterior of the bolt rod body. By arranging the bolt head convenient to disassemble, different force application angles of an operator during disassembly can be met, the requirements of various disassembly modes in different working environments are met, the bolt head can be adjusted and used under the condition that a flange face bolt does not need to be replaced, and the extension length of a bolt rod body penetrating through a flange is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical manufacturing and engineering field more specifically, the utility model relates to long guide positioning flange face bolt. BACKGROUND

[0002] In the field of mechanical manufacturing and engineering, as a kind of most basic fastener, bolt bears the important task of connecting and fixing various components, traditional bolt can satisfy general fastening demand, but in certain special application occasion, its limitation gradually appears.For example, in high vibration environment, traditional bolt is prone to cause connection failure due to loosening;In the occasion needing accurate positioning, traditional bolt is often difficult to guarantee the accuracy and stability of connection, in addition, traditional bolt can also appear problems such as corrosion, fracture in long-term use process, which affects the safety and reliability of equipment, in order to overcome the limitation of traditional bolt, flange face bolt emerges as the times require.

[0003] Although the existing long guide positioning has many advantages, it still needs to be further improved in some specific application occasions, such as when the installed working environment is affected by obstacles, the operator cannot exert force at different angles during disassembly or connection, and at the same time, the protruding length of the bolt rod body through the flange is generally determined by the length of the bolt rod body, but when there are obstacles on the other side of the connected flange, the bolt rod body needs to be replaced or cut into shorter bolt rod body, which is relatively inconvenient. UTILITY MODEL CONTENTS

[0004] In order to overcome the above-mentioned defects of prior art, the utility model provides long guide positioning flange face bolt.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: long guide positioning flange face bolt, including bolt rod body, the one end of the bolt rod body is fixedly connected with detachable bolt head, the outer surface of the one end of the bolt rod body is provided with first external thread on the side close to detachable bolt head, and the outer surface of the bolt rod body is provided with second external thread on the side away from detachable bolt head, the thread direction of second external thread is opposite to that of first external thread, the end center of detachable bolt head is provided with first internal hexagonal groove on the side away from detachable bolt head, and adjustable extrusion assembly is connected on the outside of bolt rod body outside first external thread.

[0006] As a further improvement of the technical scheme of the utility model, third internal hexagonal groove is arranged at the end center of detachable bolt head, and second internal hexagonal groove is arranged at the center of six faces of detachable bolt head.

[0007] As a further improvement of the utility model technical scheme, the adjustable extrusion assembly comprises an adjusting nut connected to the outside of the bolt rod body, a gasket is arranged on one side of the adjusting nut away from the side of the detachable bolt head, and a rubber pad is arranged on the outside of the gasket.

[0008] As a further improvement of the utility model technical scheme, the internal thread of the adjusting nut is matched with the structure of the first external thread, and the adjusting nut and the bolt rod body are connected through threads.

[0009] As a further improvement of the utility model technical scheme, the gasket and the rubber pad are both internally provided with a through hole for the bolt rod body to pass through, and the cross-sectional inner diameter of the through hole is larger than the cross-sectional outer diameter of the bolt rod body.

[0010] As a further improvement of the utility model technical scheme, the outer surface of the gasket is annularly and equidistantly provided with a plurality of convex strips, and the bottom of the rubber pad is annularly and equidistantly provided with a plurality of clamping grooves for the convex strips to be embedded.

[0011] The utility model has the advantages of:

[0012] 1. The bolt head is designed into a detachable bolt head, the detachable bolt head body adopts a hexagonal structure, the third internal hexagonal groove and the plurality of second internal hexagonal grooves arranged on the surface can meet different force angles of the operator during disassembly, the detachable bolt head body can be twisted by a wrench, the third internal hexagonal groove can be rotated by an internal hexagonal wrench, and the plurality of second internal hexagonal grooves can be inserted into the internal hexagonal wrench and directly exert force to rotate the detachable bolt head, thereby meeting the needs of various disassembly modes in different working environments.

[0013] 2. The first external thread and the adjustable extrusion assembly are arranged to facilitate the adjustment of the extension length of the other end of the bolt rod body through the flange during use, so that the bolt rod body can be adjusted and used without replacing the flange bolt when there is an obstacle on the other side of the connecting flange, the extension length of the bolt rod body after passing through the flange is reduced, the connection requirement is met, the embedded structure is arranged between the rubber pad and the gasket, the rubber pad and the gasket are conveniently assembled and disassembled, relative sliding does not occur during the process of rotating and tightening the adjusting nut, friction at the connection between the flange is increased, and the stability after connection is maintained. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structural schematic view of the utility model.

[0015] Figure 2 It is a structural schematic view of the utility model after the adjusting nut, the gasket and the rubber pad are disassembled.

[0016] Figure 3This is a cross-sectional view of the bolt head in this utility model.

[0017] Figure 4 This is a schematic diagram of the gasket structure in this utility model.

[0018] Figure 5 This is a schematic diagram of the structure of the rubber pad in this utility model.

[0019] The attached diagram is labeled as follows: 1. Bolt shank; 2. Easy-to-remove bolt head; 3. First external thread; 4. Second external thread; 5. Adjusting nut; 6. Washer; 7. Rubber pad; 8. First internal hexagonal slot; 9. Second internal hexagonal slot; 10. Third internal hexagonal slot; 601. Raised bar; 701. Slot. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] As attached Figures 1-5 The long guide positioning flange bolt shown includes a bolt shank 1. One end of the bolt shank 1 is fixedly connected to a removable bolt head 2. A first external thread 3 is provided on the outer surface of one end of the bolt shank 1 near the removable bolt head 2, and a second external thread 4 is provided on the outer surface of the bolt shank 1 away from the removable bolt head 2. The thread direction of the second external thread 4 is opposite to that of the first external thread 3. A first internal hexagonal groove 8 is provided on the center of the end of the removable bolt head 2 away from the removable bolt head 2. An adjustable extrusion assembly is connected to the outside of the bolt shank 1 outside the first external thread 3.

[0022] As attached Figures 1-3 As shown, the center of the end of the easy-to-remove bolt head 2 is provided with a third internal hexagonal groove 10, and the center of each of the six sides of the easy-to-remove bolt head 2 is provided with a second internal hexagonal groove 9. The main body of the easy-to-remove bolt head 2 adopts a hexagonal structure. With the third internal hexagonal groove 10 and multiple second internal hexagonal grooves 9 provided on its surface, it can meet the different force application angles of the operator during disassembly. For example, the main body of the easy-to-remove bolt head 2 can be turned with a wrench, the third internal hexagonal groove 10 can be rotated with an internal hexagonal wrench, and the multiple second internal hexagonal grooves 9 can be inserted to directly apply force to rotate the easy-to-remove bolt head 2, thereby meeting the needs of various disassembly methods in different working environments.

[0023] As attached Figures 1-2 and attached Figures 4-5As shown, the adjustable extrusion assembly includes an adjusting nut 5 connected outside the bolt rod body 1, a gasket 6 is arranged on one side of the adjusting nut 5 away from the side of the detachable bolt head 2, and a rubber pad 7 is arranged on the outer side of the gasket 6, wherein the internal thread of the adjusting nut 5 matches the structure of the first external thread 3, the adjusting nut 5 is connected with the bolt rod body 1 through threads, the through holes for the bolt rod body 1 to pass through are arranged in the gasket 6 and the rubber pad 7, the cross-sectional inner diameter of the through hole is greater than the cross-sectional outer diameter of the bolt rod body 1, the outer surface of the gasket 6 is annularly and equidistantly provided with a plurality of convex strips 601, and the bottom of the rubber pad 7 is annularly and equidistantly provided with a plurality of clamping grooves 701 for embedding the convex strips 601. The adjustable extrusion assembly is arranged to adjust the protruding length of the other end of the bolt rod body 1 through the flange during use, so that when there is an obstacle on the other side of the connecting flange, the flange face bolt does not need to be replaced, the protruding length of the bolt rod body 1 after passing through the flange is reduced, and the connection requirement is met.

[0024] Working principle: the long guide positioning flange bolt is designed, and the specific structure is shown in the description Figures 1-5 As shown, in the technical scheme, the existing bolt head is designed into the detachable bolt head 2, the detachable bolt head 2 body adopts a hexagonal structure, and the third internal hexagonal groove 10 and the plurality of second internal hexagonal grooves 9 arranged on the surface can meet different force angles of the operator during disassembly, for example, the detachable bolt head 2 body can be twisted by a wrench, the third internal hexagonal groove 10 can be rotated by an internal hexagonal wrench, and the plurality of second internal hexagonal grooves 9 can be inserted into the internal hexagonal wrench and directly apply force to rotate the detachable bolt head 2, thereby meeting the requirements of various disassembly modes in different working environments. Through the arrangement of the first external thread 3 and the adjustable extrusion assembly, the protruding length of the other end of the bolt rod body 1 through the flange during use is adjusted, so that when there is an obstacle on the other side of the connecting flange, the flange face bolt does not need to be replaced, the protruding length of the bolt rod body 1 after passing through the flange is reduced, and the connection requirement is met. The embedded structure is arranged between the rubber pad 7 and the gasket 6, so that the rubber pad 7 and the gasket 6 are convenient to assemble and disassemble, and the stability after connection is maintained, and relative sliding does not occur during the process of tightening the adjusting nut 5, thereby increasing the friction at the connection with the flange.

[0025] Among them, the utility model discloses the embodiment figure, only relate to the structure of the embodiment of the present disclosure, other structures can refer to the usual design, in the case of no conflict, the same embodiment and different embodiments of the utility model can be combined with each other;

[0026] Finally: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the scope of protection of the present application.

Claims

1. A long guide positioning flange face bolt, comprising a bolt shank (1), characterized in that: One end of the bolt rod body (1) is fixedly connected with a detachable bolt head (2), the outer surface of one end of the bolt rod body (1) is provided with a first external thread (3) on the side close to the detachable bolt head (2), and the outer surface of the bolt rod body (1) is provided with a second external thread (4) on the side away from the detachable bolt head (2), the second external thread (4) is opposite to the thread direction of the first external thread (3), the end center of the detachable bolt head (2) is provided with a first internal hexagonal groove (8) on the side away from the detachable bolt head (2), and the outer part of the bolt rod body (1) is connected with an adjustable extrusion assembly outside the first external thread (3).

2. The long lead positioning flange face bolt of claim 1, wherein: A third internal hexagonal groove (10) is formed in the center of the end of the detachable bolt head (2), and a second internal hexagonal groove (9) is formed in the center of each of the six faces of the detachable bolt head (2).

3. The long lead positioning flange face bolt of claim 1, wherein: The adjustable extrusion assembly comprises an adjusting nut (5) connected to the outer part of the bolt rod body (1), one side of the adjusting nut (5) is provided with a gasket (6) on the side away from the detachable bolt head (2), and the outer side of the gasket (6) is provided with a rubber pad (7).

4. The long lead positioning flange face bolt of claim 3, wherein: The internal thread of the adjusting nut (5) is matched with the structure of the first external thread (3), and the adjusting nut (5) and the bolt rod body (1) are connected through threads.

5. The long lead positioning flange face bolt of claim 3, wherein: The internal part of the gasket (6) and the rubber pad (7) is provided with a through hole for the bolt rod body (1) to pass through, and the cross-sectional inner diameter of the through hole is greater than the cross-sectional outer diameter of the bolt rod body (1).

6. The long lead positioning flange face bolt of claim 3, wherein: The outer surface of the gasket (6) is annularly and equidistantly provided with a plurality of convex strips (601), and the bottom of the rubber pad (7) is annularly and equidistantly provided with a plurality of clamping grooves (701) for embedding the convex strips (601).

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