CN215634227U

CN215634227U - Expansion bolt convenient to block butt joint

Info

Publication number: CN215634227U
Application number: CN202121837248.5U
Authority: CN
Inventors: 李爱平
Original assignee: Qingdao Xintaosheng Metal Products Co ltd
Current assignee: Qingdao Xintaosheng Metal Products Co ltd
Priority date: 2021-08-08
Filing date: 2021-08-08
Publication date: 2022-01-25
Anticipated expiration: 2031-08-08

Abstract

The utility model belongs to the field of mechanical parts, and particularly relates to an expansion bolt convenient for clamping and butt joint, which comprises a first clamping rod, wherein the bottom of the first clamping rod is fixedly connected with a bolt, the outer wall of the bolt is movably connected with a nut, the outer wall of the bolt is movably connected with a spring washer, the outer wall of the bolt is movably connected with a flat cushion block, the top of the flat cushion block is fixedly connected with a sealing cover, the sealing cover comprises a through hole and a sealing ring, the outer wall of the through hole is connected with the sealing ring, and the upper end surface of the flat cushion block is provided with a clamping block; through the structural design of first block pole and second block pole, realized the convenient function of accurate butt joint of block butt joint, solved the inconvenient and accurate problem of block butt joint, cooperation between first block pole and the second block pole structure lets overall structure stability and security all have better promotion, also makes overall structure's installation precision have better guarantee simultaneously.

Description

Expansion bolt convenient to block butt joint

Technical Field

The utility model relates to the field of mechanical parts, in particular to an expansion bolt convenient for clamping and butt joint.

Background

The bolt refers to a mechanical part, a cylindrical threaded fastener matched with a nut. 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. This form of connection is known as a bolted connection. If the nut is unscrewed from the bolt, the two parts can be separated, so that the bolt connection belongs to detachable connection.

Expansion bolts are more stable to operation work, have better promotion to convenient accurate butt joint, have better guarantee to the whole leakproofness of bolt, dismantle and install better promotion to whole.

When the expansion bolt is used, the whole operation is not stable, the accurate butt joint is not facilitated, and the better sealing performance is not realized;

therefore, an expansion bolt which facilitates the engagement and butt joint has been proposed in view of the above problems.

SUMMERY OF THE UTILITY MODEL

In order to make up for the defects of the prior art and solve the problems that the whole operation is not stable, the accurate butt joint is not facilitated and the better sealing performance is not provided, the utility model provides the expansion bolt convenient for clamping butt joint.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the expansion bolt convenient for clamping and butt joint comprises a first clamping rod, wherein the bottom of the first clamping rod is fixedly connected with a bolt, the outer wall of the bolt is movably connected with a nut, the outer wall of the bolt is movably connected with a spring washer, the outer wall of the bolt is movably connected with a flat cushion block, the top of the flat cushion block is fixedly connected with a sealing cover, the sealing cover comprises a through hole and a sealing ring, the outer wall of the through hole is connected with the sealing ring, the upper end surface of the flat cushion block is provided with a clamping block, and the clamping groove is formed in the clamping block.

The outer wall fixedly connected with metal expansion sleeve of bolt, metal expansion sleeve's positive fixedly connected with antiskid bolt, the expansion tank has been seted up in metal expansion sleeve's front, one side fixed mounting of metal expansion sleeve has wear-resisting lug, metal expansion sleeve's bottom fixedly connected with cone, the bottom fixedly connected with second block pole of cone.

Preferably, the number of the wear-resistant lugs is four, the four wear-resistant lugs are same in shape and size, the four wear-resistant lugs are symmetrically arranged by taking the vertical central line of the metal expansion sleeve as a symmetry axis, and the overall stability of the bolt is better improved through the wear-resistant lugs.

Preferably, the conical head is in a regular trapezoid shape, the length of the bottom end of the conical head is larger than that of the top end of the conical head, friction of the head of the piston can be reduced through the structural design of the conical head, and the conical head is convenient to mount.

Preferably, the lower part of the metal expansion sleeve is separately provided with an expansion groove, the expansion groove is positioned at the bottom end of the metal expansion sleeve, and the bolt is more beneficial to installation and expansion when in work due to the structural design of the expansion groove.

Preferably, the sealing cover is square, and the inner size of the sealing cover is matched with the outer size of the bolt; during operation, the sealing cover can better improve the overall sealing performance of the equipment.

Preferably, the second clamping rod is square, the top of the second clamping rod is tightly attached to the bottom of the conical head, the bolt is more convenient to butt joint due to the design of the second clamping rod, and the overall accuracy is improved.

Preferably, the spring washer and the flat cushion block are in an even annular shape, the outer diameter of the flat cushion block is larger than that of the spring washer, the metal expansion sleeve forms a detachable structure through the spring washer and the flat cushion block and the bolt, and the overall disassembly and installation efficiency of the device is better guaranteed.

Preferably, first block pole is square, and the top of the conical head is closely laminated to the bottom of first block pole, and the design of first block pole lets the bolt more conveniently dock, has improved holistic precision.

The utility model has the advantages that:

1. according to the utility model, through the structural design of the sealing cover, the function that the bolt is not easy to rust is realized, the problem that the nut is easy to rust is solved, the structural design of the sealing cover ensures the overall working stability of the equipment better, the overall safety of the bolt is improved better through the improvement of the stability, the structural design of the clamping groove and the clamping block ensures the sealing cover to be detachable and assembled better, and the structural design of the sealing ring improves the overall tightness of the bolt;

2. according to the utility model, through the structural design of the first clamping rod and the second clamping rod, the function of convenient and accurate butt joint of clamping and butt joint is realized, the problems of inconvenience and accuracy of clamping and butt joint are solved, the stability and safety of the whole structure are better improved through the matching between the first clamping rod and the second clamping rod, and meanwhile, the installation accuracy of the whole structure is better guaranteed.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a schematic diagram of a front view structure of the embodiment;

FIG. 2 is a schematic structural view of a sealing cap according to an embodiment;

FIG. 3 is an enlarged view of the structure at A in FIG. 1 according to the embodiment;

FIG. 4 is an enlarged view of the structure of FIG. 1B according to the embodiment;

fig. 5 is an enlarged view of the structure of fig. 1C of the embodiment.

In the figure: 1. a sealing cover; 101. a through hole; 102. a seal ring; 2. an expansion tank; 3. a first engaging lever; 4. a bolt; 5. a nut; 6. a spring washer; 7. a flat cushion block; 8. a wear-resistant bump; 9. a metal expansion sleeve; 10. an anti-skid bolt; 11. a conical head; 12. a second engaging rod; 13. a clamping block; 14. a clamping groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, an expansion bolt convenient for clamping and butt joint includes a first clamping rod 3, a bolt 4 is fixedly connected to the bottom of the first clamping rod 3, a nut 5 is movably connected to the outer wall of the bolt 4, a spring washer 6 is movably connected to the outer wall of the bolt 4, a flat cushion block 7 is movably connected to the outer wall of the bolt 4, a seal cover 1 is fixedly connected to the top of the flat cushion block 7, the seal cover 1 includes a through hole 101 and a seal ring 102, the outer wall of the through hole 101 is connected with the seal ring 102, a clamping block 13 is disposed on the upper end surface of the flat cushion block 7, and a clamping groove 14 is disposed inside the clamping block 13.

The outer wall fixedly connected with metal expansion sleeve 9 of bolt 4, the positive fixedly connected with antiskid bolt 10 of metal expansion sleeve 9, expansion groove 2 has been seted up in metal expansion sleeve 9's front, one side fixed mounting of metal expansion sleeve 9 has wear-resisting lug 8, the bottom fixedly connected with cone 11 of metal expansion sleeve 9, the bottom fixedly connected with second block pole 12 of cone 11, the during operation, through the structural design of first block pole 3 and second block pole 12, realized the function that the block butt joint is convenient accurate to dock, solved the inconvenient and accurate problem of block butt joint, cooperation between first block pole 3 and the second block pole 12 structure lets overall structure stability and security all have better promotion, also makes overall structure's installation precision have better guarantee simultaneously.

The number of the wear-resistant bumps 8 is four, the four wear-resistant bumps 8 are the same in shape and size, and the four wear-resistant bumps 8 are symmetrically arranged by taking the vertical central line of the metal expansion sleeve 9 as a symmetry axis; during operation, the overall stability of the bolt 4 is better improved through the wear-resistant convex block 8.

The conical head 11 is in a regular trapezoid shape, and the length of the bottom end of the conical head 11 is greater than that of the top end; during operation, the friction of the head can be reduced through the structural design of the conical head 11, and the installation is convenient.

The lower part of the metal expansion sleeve 9 is separately provided with an expansion groove 2, and the expansion groove 2 is positioned at the bottom end of the metal expansion sleeve 9; in operation, the structural design of the expansion groove 2 enables the bolt 4 to be more convenient to install and expand in operation.

The sealing cover 1 is square, and the inner size of the sealing cover 1 is matched with the outer size of the bolt 4; during operation, the sealing cover 1 can better improve the overall sealing performance of the equipment.

The second clamping rod 12 is square, and the top of the second clamping rod 12 is tightly attached to the bottom of the conical head 11; during operation, the bolt 4 is more convenient to butt joint through the design of the second clamping rod 12, and the overall accuracy is improved.

The spring washer 6 and the flat cushion block 7 are both annular, the outer diameter of the flat cushion block 7 is larger than that of the spring washer 6, and the metal expansion sleeve 9 forms a detachable structure with the bolt 4 through the spring washer 6 and the flat cushion block 7; during operation, the spring washer 6 and the flat cushion block 7 can better guarantee the overall disassembly and assembly efficiency of the equipment.

The first clamping rod 3 is square, and the bottom of the first clamping rod 3 is tightly attached to the top of the conical head 11; during operation, the bolt 4 is more convenient to butt joint through the design of the first clamping rod 3, and the overall accuracy is improved.

According to the working principle, an alloy drill bit with the same diameter as that of an expansion bolt 4 is selected and installed on an electric drill to punch a wall, the depth of a hole is preferably the same as the length of the bolt 4, then the expansion bolt 4 is placed into the hole, a hammer is used for lightly knocking the first clamping rod 3, the first clamping rod 3 of the expansion bolt 4 cannot be damaged and deformed due to excessive force, and the mounting usability is affected, a nut 5 on the expansion bolt 4 is screwed, the bolt 4 moves outwards, a metal expansion sleeve 9 inside the bolt is not moved, a conical head 11 at the bottom of the bolt 4 expands the metal expansion sleeve 9, the whole hole is expanded, and the expansion bolt 4 achieves the fixing effect.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.

Claims

1. The utility model provides an expansion bolts convenient to block butt joint which characterized in that: the clamping device comprises a first clamping rod (3), a bolt (4) is fixedly connected to the bottom of the first clamping rod (3), a nut (5) is movably connected to the outer wall of the bolt (4), a spring washer (6) is movably connected to the outer wall of the bolt (4), a flat cushion block (7) is movably connected to the outer wall of the bolt (4), a sealing cover (1) is fixedly connected to the top of the flat cushion block (7), the sealing cover (1) comprises a through hole (101) and a sealing ring (102), the outer wall of the through hole (101) is connected with the sealing ring (102), a clamping block (13) is arranged on the upper end surface of the flat cushion block (7), and a clamping groove (14) is arranged inside the clamping block (13);

the outer wall fixedly connected with metal expansion sleeve pipe (9) of bolt (4), the positive fixedly connected with antiskid bolt (10) of metal expansion sleeve pipe (9), expansion groove (2) have been seted up in the front of metal expansion sleeve pipe (9), one side fixed mounting of metal expansion sleeve pipe (9) has wear-resisting lug (8), the bottom fixedly connected with cone (11) of metal expansion sleeve pipe (9), the bottom fixedly connected with second block pole (12) of cone (11).

2. An expansion bolt for facilitating snap-fit mating according to claim 1, wherein: the number of the wear-resistant lugs (8) is four, the four wear-resistant lugs (8) are identical in shape and size, and the four wear-resistant lugs (8) are symmetrically arranged by taking the vertical central line of the metal expansion sleeve (9) as a symmetry axis.

3. An expansion bolt for facilitating snap-fit mating according to claim 1, wherein: the conical head (11) is in a regular trapezoid shape, and the length of the bottom end of the conical head (11) is larger than that of the top end of the conical head.

4. An expansion bolt for facilitating snap-fit mating according to claim 1, wherein: the lower part of the metal expansion casing pipe (9) is separately provided with an expansion groove (2), and the expansion groove (2) is positioned at the bottom end of the metal expansion casing pipe (9).

5. An expansion bolt for facilitating snap-fit mating according to claim 1, wherein: the sealing cover (1) is square, and the inner size of the sealing cover (1) is matched with the outer size of the bolt (4).

6. An expansion bolt for facilitating snap-fit mating according to claim 1, wherein: the second clamping rod (12) is square, and the top of the second clamping rod (12) is tightly attached to the bottom of the conical head (11).

7. An expansion bolt for facilitating snap-fit mating according to claim 1, wherein: the spring washer (6) and the flat cushion block (7) are both annular, the outer diameter of the flat cushion block (7) is larger than that of the spring washer (6), and the metal expansion sleeve (9) forms a detachable structure with the bolt (4) through the spring washer (6) and the flat cushion block (7).

8. An expansion bolt for facilitating snap-fit mating according to claim 1, wherein: the first clamping rod (3) is square, and the bottom of the first clamping rod (3) is tightly attached to the top of the conical head (11).