High-sealing bolt structure

Abstract

The utility model discloses a high-sealing bolt structure, which belongs to the technical field of bolts and comprises a bolt bar, rectangular grooves arranged at equal intervals are arranged on the outer surface of the bolt bar, a sealing ring is sleeved on the outer surface of the bolt bar, and rectangular strips arranged at equal intervals are fixedly connected to the inner wall of the sealing ring. Each rectangular strip is slidably connected into the corresponding rectangular groove, a connecting piece is arranged outside the bolt rod, the bottom end of the bolt rod penetrates through the connecting piece and extends to the position below the connecting piece, and the bottom face of the sealing ring makes contact with the upper surface of the connecting piece. According to the high-sealing bolt structure, the bolt rod and the connecting piece are sealed through cooperation of the bolt rod, the rectangular groove, the sealing ring and the rectangular strip, so that rectangular sealing is formed between the bolt rod and the sealing ring, and then the sealing performance between the sealing ring and the connecting piece is improved through cooperation of the sealing ring, the connecting piece, the first clamping ring and the first clamping groove; the sealing performance of the structure is improved, and the service life of the structure is prolonged.

Description

Technical Field

[0001] The present application belongs to the technical field of bolts, and in particular relates to a high-sealing bolt structure. Background Art

[0002] A bolt is a mechanical part consisting of a head and a screw. It is a cylindrical threaded fastener that is matched with a nut. The bolt and the nut are used to fasten two parts with through holes. This type of connection is called a bolt connection. The nut can be unscrewed from the bolt and the two parts can be separated. Therefore, the bolt connection is a detachable connection.

[0003] The utility model with the existing authorization announcement number CN218347745U discloses an anti-loosening bolt structure, including a first bolt, a bolt flange, a first gasket and a fixing column; the bolt flange is sleeved on the first bolt, and the outer periphery of the bolt flange is provided with a plurality of grooves recessed toward the axis of the first bolt; a first through hole is provided on the first gasket, and the size of the first through hole matches the size of the first bolt; a plurality of second through holes are arranged around the first through hole, and the size of the second through holes matches the size of the groove.

[0004] By adopting the above technical solution, the purpose of preventing the first bolt from loosening can be achieved. However, in the above technical solution, the sealing between the bolt structure and the connected part is low, and it is easy for liquid that corrodes the steel structure to enter between the bolt structure and the connected part and penetrate into the interior to corrode the bolt structure and the connected part, thereby easily causing the bolt structure and the connected part to loosen, or even fall off and be damaged, thereby reducing the service life of the bolt structure.

[0005] To this end, we propose a high sealing bolt structure to solve the above problems. Utility Model Content

[0006] The purpose of the present application is to solve the problem of low sealing between the bolt structure and the connected parts in the prior art, and to propose a high sealing bolt structure.

[0007] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0008] A high-sealing bolt structure comprises a bolt rod, the outer surface of the bolt rod is provided with rectangular grooves arranged at equal distances, the outer surface of the bolt rod is sleeved with a sealing ring, the inner wall of the sealing ring is fixedly connected with rectangular bars arranged at equal distances, each of the rectangular bars is slidably connected to the inside of the rectangular groove, a connecting piece is arranged on the outside of the bolt rod, the bottom end of the bolt rod passes through the connecting piece and extends to the bottom of the connecting piece, the bottom surface of the sealing ring contacts the upper surface of the connecting piece, the bottom surface of the sealing ring is fixedly connected with first clamping rings arranged at equal distances, the upper surface of the connecting piece is provided with first clamping grooves arranged at equal distances, and each of the first clamping rings is clamped into the inside of the first clamping groove.

[0009] Preferably, a bolt head is fixedly connected to the top end of the bolt rod, and a torsion groove is formed on the upper surface of the bolt head.

[0010] Preferably, a fixing ring is fixedly connected to the bottom surface of the bolt head, an inner wall of the fixing ring is fixedly connected to the outer surface of the bolt rod, a compression spring is fixedly connected to the bottom surface of the fixing ring, and an inner wall of the compression spring contacts the outer surface of the bolt rod.

[0011] Preferably, a sliding ring is fixedly connected to the bottom end of the compression spring, a mounting groove is provided on the upper surface of the sealing ring, and the sliding ring is clamped in the interior of the mounting groove.

[0012] Preferably, a stabilizing ring is fixedly connected to the upper surface of the sliding ring, and the inner wall of the stabilizing ring is in contact with the outer surface of the compression spring.

[0013] Preferably, the bottom end of the bolt rod is fixedly connected with a bolt column, and the outer surface of the bolt column is threadedly connected with a connecting nut.

[0014] Preferably, a connecting ring is fixedly connected to the upper surface of the connecting nut, the inner wall of the connecting ring is threadedly connected to the outer surface of the bolt column, and the upper surface of the connecting ring is in contact with the bottom surface of the connecting piece.

[0015] Preferably, the upper surface of the connecting ring is fixedly connected with second clamping rings arranged at equal distances, the bottom surface of the connecting piece is provided with second clamping grooves arranged at equal distances, and each of the second clamping rings is clamped in the interior of the second clamping groove.

[0016] To sum up, the technical effects and advantages of the present application are as follows: by providing a bolt rod, a rectangular groove, a sealing ring and a rectangular strip, the sealing ring sleeved on the outer surface of the bolt rod can be used to seal the bolt rod and the connecting member, so as to improve the sealing performance of the bolt structure, and by using multiple rectangular strips that can slide in the rectangular groove, a rectangular seal can be formed between the bolt rod and the sealing ring, so as to further improve the sealing performance of the bolt structure, and then by using the sealing ring, the connecting member, the first clamping ring and the first clamping groove, multiple first clamping rings can be fixed on the bottom surface of the sealing ring to enable them to be clamped into the multiple first clamping grooves opened on the connecting member, so that a rectangular seal can be formed between the sealing ring and the connecting member, and the sealing performance between the sealing ring and the connecting member can be improved, and the positions where leakage is formed between the bolt structure and the connecting member are provided with sealing structures, which can improve the sealing performance of the bolt structure and extend the service life of the bolt structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the bolt rod of the utility model;

[0018] Figure 2 It is a schematic diagram of the structure of the utility model connecting the sectional view to a three-dimensional structure;

[0019] Figure 3 It is a three-dimensional structural diagram of the sliding ring of the utility model;

[0020] Figure 4 It is a three-dimensional structural schematic diagram of the sealing ring of the utility model.

[0021] In the figure: 1. bolt rod; 2. rectangular groove; 3. sealing ring; 4. rectangular strip; 5. first clamping ring; 6. first clamping groove; 7. connecting ring; 8. second clamping ring; 9. second clamping groove; 10. bolt head; 11. torsion groove; 12. fixing ring; 13. compression spring; 14. sliding ring; 15. stabilizing ring; 16. mounting groove; 17. connecting piece; 18. connecting nut; 19. bolt column. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0023] Reference Figure 1-4 A high sealing bolt structure includes a bolt rod 1, the top of the bolt rod 1 is fixedly connected to a bolt head 10, the upper surface of the bolt head 10 is provided with a torsion groove 11, the bolt head 10 and the bolt rod 1 are used to form a main body of the bolt structure, and the torsion groove 11 provided on the bolt head 10 is conveniently used to twist the bolt structure.

[0024] A fixing ring 12 is fixedly connected to the bottom surface of the bolt head 10, and the inner wall of the fixing ring 12 is fixedly connected to the outer surface of the bolt rod 1. A compression spring 13 is fixedly connected to the bottom surface of the fixing ring 12, and the inner wall of the compression spring 13 contacts the outer surface of the bolt rod 1. The fixing ring 12 fixed to the bottom surface of the bolt head 10 is used to fix the compression spring 13 to the outer surface of the bolt rod 1, so that the elastic force accumulated in the compression spring 13 can be used to press the bolt structure against the workpiece connected to it.

[0025] The outer surface of the bolt rod 1 is provided with rectangular grooves 2 arranged at equal distances, the outer surface of the bolt rod 1 is sleeved with a sealing ring 3, the bottom end of the compression spring 13 is fixedly connected with a sliding ring 14, the upper surface of the sealing ring 3 is provided with a mounting groove 16, the sliding ring 14 is clamped in the inside of the mounting groove 16, and the sliding ring 14 fixed at the bottom end of the compression spring 13 is used to clamp it into the mounting groove 16 provided on the sealing ring 3, so that the sealing ring 3 and the fixing ring 12 can be used to squeeze and compress the compression spring 13, so that the elastic force accumulated in the compression spring 13 can be used to buffer the impact force on the bolt structure.

[0026] The inner wall of the sealing ring 3 is fixedly connected with rectangular bars 4 arranged at equal distances, and each rectangular bar 4 is slidably connected to the inside of the rectangular groove 2. The upper surface of the sliding ring 14 is fixedly connected with a stabilizing ring 15, and the inner wall of the stabilizing ring 15 is in contact with the outer surface of the compression spring 13. The stabilizing ring 15 fixed on the sliding ring 14 is used to limit the expansion and contraction of the compression spring 13 to improve the installation stability of the compression spring 13.

[0027] A connecting piece 17 is provided on the outside of the bolt rod 1. The bottom end of the bolt rod 1 passes through the connecting piece 17 and extends to the bottom of the connecting piece 17. The bottom surface of the sealing ring 3 contacts the upper surface of the connecting piece 17. The bottom end of the bolt rod 1 is fixedly connected to a bolt column 19. The outer surface of the bolt column 19 is threadedly connected to a connecting nut 18. The bolt column 19 fixed to the bottom end of the bolt rod 1 is connected to the connecting nut 18, so that the bolt structure can be connected to the connecting piece 17.

[0028] The upper surface of the connecting nut 18 is fixedly connected to the connecting ring 7, the inner wall of the connecting ring 7 is threadedly connected to the outer surface of the bolt column 19, and the upper surface of the connecting ring 7 is in contact with the bottom surface of the connecting piece 17. By fixing the connecting ring 7 on the connecting nut 18, the connecting nut 18 can be stably connected to the bolt column 19, thereby improving the connection stability of the bolt structure.

[0029] The bottom surface of the sealing ring 3 is fixedly connected with the first clamping ring 5 arranged at equal distances, the upper surface of the connecting piece 17 is provided with the first clamping grooves 6 arranged at equal distances, each first clamping ring 5 is clamped into the inside of the first clamping groove 6, the upper surface of the connecting ring 7 is fixedly connected with the second clamping ring 8 arranged at equal distances, the bottom surface of the connecting piece 17 is provided with the second clamping grooves 9 arranged at equal distances, each second clamping ring 8 is clamped into the inside of the second clamping groove 9, and the second clamping ring 8 is clamped into the inside of the second clamping groove 9, so as to seal between the connecting ring 7 and the connecting piece 17, so as to further improve the sealing performance of the bolt structure.

[0030] The working principle of the utility model is as follows: when the high sealing bolt structure is used, the sliding ring 14 fixed at the bottom end of the compression spring 13 is first manually clamped into the installation groove 16 opened on the sealing ring 3, so that the sealing ring 3 can be installed on the outer surface of the bolt rod 1, and at the same time, the rectangular strip 4 fixed in the sealing ring 3 can slide in the rectangular groove 2 opened outside the bolt rod 1 to improve the sealing between the sealing ring 3 and the bolt rod 1, and then a bolt hole for installing the bolt structure is opened on the connecting piece 17, and the bolt column 19 and the bolt rod 1 of the bolt structure are manually passed through the threaded hole opened on the connecting piece 17 to make the bottom surface of the sealing ring 3 contact with the upper surface of the connecting piece 17, and because the first clamping ring 5 fixed under the sealing ring 3 is clamped on the connecting piece 17 A rectangular seal is formed in the first clamping groove 6 opened to improve the sealing between the sealing ring 3 and the connecting piece 17. At the same time, the sealing ring 3 and the fixing ring 12 can be squeezed to compress the compression spring 13, and the connecting ring 7 and the connecting nut 18 are twisted to the outer surface of the bolt column 19. At the same time, the second clamping ring 8 fixed on the connecting ring 7 can be clamped into the second clamping groove 9 opened under the connecting piece 17 to form a rectangular seal, thereby improving the sealing between the connecting ring 7 and the connecting piece 17, thereby further improving the sealing of the bolt structure, and the compression spring 13 can be continuously compressed by the threaded connection between the connecting ring 7 and the connecting nut 18 and the bolt column 19 until its maximum compression amount is reached, thereby completing the installation and use of the high-sealing bolt structure.

[0031] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0032] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0033] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A high sealing bolt structure, comprising a bolt rod (1), characterized in that: The outer surface of the bolt rod (1) is provided with rectangular grooves (2) arranged at equal distances. The outer surface of the bolt rod (1) is sleeved with a sealing ring (3). The inner wall of the sealing ring (3) is fixedly connected with rectangular bars (4) arranged at equal distances. Each of the rectangular bars (4) is slidably connected to the inside of the rectangular groove (2). A connecting piece (17) is arranged outside the bolt rod (1). The bottom end of the bolt rod (1) passes through the connecting piece (17) and extends to the bottom of the connecting piece (17). The bottom surface of the sealing ring (3) is in contact with the upper surface of the connecting piece (17). The bottom surface of the sealing ring (3) is fixedly connected with first clamping rings (5) arranged at equal distances. The upper surface of the connecting piece (17) is provided with first clamping grooves (6) arranged at equal distances. Each of the first clamping rings (5) is clamped to the inside of the first clamping groove (6).

2. A high sealing bolt structure according to claim 1, characterized in that: A bolt head (10) is fixedly connected to the top end of the bolt rod (1), and a torsion groove (11) is provided on the upper surface of the bolt head (10).

3. A high sealing bolt structure according to claim 2, characterized in that: The bottom surface of the bolt head (10) is fixedly connected to a fixing ring (12), the inner wall of the fixing ring (12) is fixedly connected to the outer surface of the bolt rod (1), the bottom surface of the fixing ring (12) is fixedly connected to a compression spring (13), and the inner wall of the compression spring (13) is in contact with the outer surface of the bolt rod (1).

4. A high sealing bolt structure according to claim 3, characterized in that: The bottom end of the compression spring (13) is fixedly connected to a sliding ring (14), the upper surface of the sealing ring (3) is provided with a mounting groove (16), and the sliding ring (14) is clamped inside the mounting groove (16).

5. A high sealing bolt structure according to claim 4, characterized in that: A stabilizing ring (15) is fixedly connected to the upper surface of the sliding ring (14), and the inner wall of the stabilizing ring (15) is in contact with the outer surface of the compression spring (13).

6. A high sealing bolt structure according to claim 1, characterized in that: The bottom end of the bolt rod (1) is fixedly connected to a bolt column (19), and the outer surface of the bolt column (19) is threadedly connected to a connecting nut (18).

7. A high sealing bolt structure according to claim 6, characterized in that: The upper surface of the connecting nut (18) is fixedly connected to a connecting ring (7), the inner wall of the connecting ring (7) is threadedly connected to the outer surface of the bolt column (19), and the upper surface of the connecting ring (7) is in contact with the bottom surface of the connecting piece (17).

8. A high sealing bolt structure according to claim 7, characterized in that: The upper surface of the connecting ring (7) is fixedly connected with second clamping rings (8) arranged at equal distances, and the bottom surface of the connecting piece (17) is provided with second clamping grooves (9) arranged at equal distances, and each of the second clamping rings (8) is clamped inside the second clamping groove (9).

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