Leakage-proof stainless steel expansion sleeve with buffer gasket

Abstract

The utility model relates to the field of expansion sleeves, in particular to a leakproof stainless steel expansion sleeve with a buffer gasket. The device comprises a first expansion pipe, the first expansion pipe is provided with a first connecting section, one end of the first connecting section is fixedly connected with a first expansion section, and the outer wall of the first expansion section is fixedly connected with a first barb; and the second expansion pipe is arranged at one end of the first expansion pipe, the second expansion pipe is provided with a second connecting section, one end of the second connecting section is fixedly connected with a second expansion section, and the outer wall of the second expansion section is fixedly connected with a second barb. According to the leakproof stainless steel expansion sleeve with the buffer gasket, the buffer corrugated pipe and the buffer gasket can play a role in buffering, so that the probability that the expansion sleeve is damaged when the expansion sleeve is subjected to large extrusion force of a socket component is reduced, and the friction force between the expansion sleeve and a mounting position is increased; therefore, the leakproof stainless steel expansion sleeve with the buffer gasket is installed more stably.

Description

Technical Field

[0001] This utility model relates to the field of expansion sleeves, specifically a leak-proof stainless steel expansion sleeve with a buffer pad. Background Technology

[0002] Expansion bolts are common connectors used in concrete structures. They work by using the expansion force of an expanding element to achieve a secure connection between the concrete and steel. Expansion bolts offer advantages such as easy installation, high strength, and corrosion resistance, and are widely used in construction, bridges, and machinery.

[0003] Application No. 202421936568.X discloses an interlocking expansion sleeve, comprising a sleeve body in the shape of a cylinder rolled from a plate. The upper part of the sleeve body is provided with a long strip notch that runs through its top, dividing the upper part of the sleeve body into multiple expansion parts. When the sleeve body is unfolded into a plate, a first interlocking tooth and a second interlocking tooth are respectively provided on both sides of its lower part. When the plate is rolled into the sleeve body, the first interlocking tooth and the second interlocking tooth engage and lock together. The sleeve body is provided with barbs and stamping grooves.

[0004] The expansion sleeves in the above comparative documents only expand at one end after being squeezed by the socket member. The friction between the expansion sleeve and the installation position is relatively small, and there is a lack of buffer member. When the expansion sleeve is subjected to a large squeezing force from the socket member, the expansion sleeve is easily damaged. In view of the above situation, we have introduced a leak-proof stainless steel expansion sleeve with a buffer gasket. Utility Model Content

[0005] The purpose of this utility model is to provide a leak-proof stainless steel expansion sleeve with a buffer pad, so as to solve the problem that the expansion sleeve in the prior art only expands at one end after being squeezed by the socket member, the friction between the expansion sleeve and the installation position is relatively small, and the lack of a buffer member makes the expansion sleeve easy to be damaged when subjected to a large squeezing force from the socket member.

[0006] The technical solution of this utility model is: a leak-proof stainless steel expansion sleeve with a buffer pad, comprising:

[0007] A first expansion tube, the first expansion tube having a first connecting section, one end of the first connecting section being fixedly connected to the first expansion section, and a first barb being fixedly connected to the outer wall of the first expansion section;

[0008] The second expansion tube is arranged at one end of the first expansion tube. The second expansion tube is provided with a second connecting section. One end of the second connecting section is fixedly connected to the second expansion section. The outer wall of the second expansion section is fixedly connected to a second barb.

[0009] A socket component is provided on the side of the first expansion tube. The socket component is provided with a socket branch platform, and a buffer pad is provided on one side of the socket branch platform.

[0010] As a further embodiment of this utility model: the outer wall of the first expansion section is provided with a first notch, the number of the first barbs is four and they are symmetrically arranged on the outer wall of the first expansion section, and the inside of the first connecting section is provided with an insertion hole.

[0011] As a further embodiment of this utility model: the outer wall of the second expansion section is provided with a second notch, and the other end of the second connecting section is provided with an insertion tube, which can be passed through by the lead screw.

[0012] As a further embodiment of this utility model: the insertion tube is fitted with a buffer corrugated tube, and the size of the insertion tube is adapted to the size of the buffer corrugated tube.

[0013] As a further embodiment of this utility model: the inner wall of the insertion hole is fitted to the outer wall of the insertion tube, and the size of the insertion hole is adapted to the size of the insertion tube.

[0014] As a further embodiment of this utility model: the number of the socket components is two, the socket components are arranged on the sides of the first expansion tube and the second expansion tube, and the socket branch platform is in the shape of a frustum.

[0015] As a further embodiment of this utility model: the socket support is provided with a through hole, through which the lead screw can pass, and a flat gasket is provided on one side of the buffer gasket.

[0016] This utility model provides an improved leak-proof stainless steel expansion sleeve with a buffer gasket, which has the following improvements and advantages compared with the prior art:

[0017] Firstly, in this invention, a buffer corrugated pipe is fitted onto the insertion tube, and one end of the insertion tube is inserted into the insertion hole, so that the outer wall of the insertion tube fits against the inside of the insertion hole. A buffer pad is installed on one side of the socket support, and a flat pad is installed on one side of the buffer pad. Through the buffer corrugated pipe and buffer pad, when the expansion sleeve is subjected to a large compressive force from the socket component, the buffer corrugated pipe and buffer pad can play a buffering role, thereby reducing the probability of the expansion sleeve being damaged when subjected to a large compressive force from the socket component.

[0018] Secondly, in this utility model, the socket component is installed on the side of the first expansion tube and the second expansion tube, the buffer gasket is installed on the side of the socket branch pipe platform, and the flat gasket is installed on the side of the buffer gasket. After the socket component is subjected to the compressive force of the bolt, the socket branch pipe platform is inserted from one end of the first expansion section and the second expansion section, causing one end of the first expansion section and the second expansion section to expand, thereby increasing the friction between the expansion sleeve and the installation position, making the leak-proof stainless steel expansion sleeve with buffer gasket more stable. Attached Figure Description

[0019] The present invention will be further explained below with reference to the accompanying drawings and embodiments:

[0020] Figure 1 This is a schematic diagram of the main structure of the present invention;

[0021] Figure 2 This is an exploded view of the main body of this utility model;

[0022] Figure 3 This is a cross-sectional view of the left side of this utility model;

[0023] Figure 4 This is a schematic diagram of the structure of the first expansion tube of this utility model;

[0024] Figure 5 This is a schematic diagram of the structure of the second expansion tube of this utility model;

[0025] Figure 6 This is a structural schematic diagram of the socket component of this utility model.

[0026] Explanation of reference numerals in the attached drawings: 1. First expansion tube; 11. First connecting section; 12. First expansion section; 13. First barb; 14. First notch; 15. Insertion hole; 2. Second expansion tube; 21. Second connecting section; 22. Second expansion section; 23. Second barb; 24. Second notch; 25. Insertion tube; 26. Buffer corrugated tube; 3. Socket component; 31. Socket branch platform; 32. Through hole; 33. Buffer gasket; 34. Flat gasket. Detailed Implementation

[0027] The present invention will now be described in detail, and the technical solutions in the embodiments of the present invention will be clearly and completely described. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present invention. Example 1

[0028] Please see Figures 1-6This utility model provides a technical solution: a leak-proof stainless steel expansion sleeve with a buffer pad, comprising a first expansion tube 1, the first expansion tube 1 having a first connecting section 11, one end of the first connecting section 11 being fixedly connected to a first expansion section 12, and the outer wall of the first expansion section 12 being fixedly connected to a first barb 13; a second expansion tube 2, the second expansion tube 2 being disposed at one end of the first expansion tube 1, the second expansion tube 2 being provided with a second connecting section 21, one end of the second connecting section 21 being fixedly connected to a second expansion section 22, and the outer wall of the second expansion section 22 being fixedly connected to a second barb 23; and a socket member 3, the socket member 3 being disposed on the side of the first expansion tube 1, the socket member 3 being provided with a socket branch platform 31, and a buffer pad 33 being provided on one side of the socket branch platform 31.

[0029] Please see Figures 1-3 The outer wall of the first expansion section 12 is provided with a first notch 14, and the number of first barbs 13 is four, which are symmetrically arranged on the outer wall of the first expansion section 12. The first connecting section 11 is provided with an insertion hole 15.

[0030] The outer wall of the second expansion section 22 is provided with a second notch 24, and the other end of the second connecting section 21 is provided with a tube 25, through which the lead screw can pass.

[0031] The insertion tube 25 is fitted with a buffer bellows 26, and the size of the insertion tube 25 is adapted to the size of the buffer bellows 26.

[0032] In use, firstly, the first expansion section 12 is fixedly connected to one end of the first connecting section 11, and then the second expansion section 22 is fixedly connected to one end of the second connecting section 21. Subsequently, the insertion tube 25 is installed at the other end of the second connecting section 21, and the buffer corrugated tube 26 is sleeved on the insertion tube 25. Then, one end of the insertion tube 25 is inserted into the insertion hole 15, so that the outer wall of the insertion tube 25 fits against the inside of the insertion hole 15. The buffer pad 33 is installed on one side of the socket support 31, and the flat pad 34 is installed on one side of the buffer pad 33. Through the buffer corrugated tube 26 and the buffer pad 33, when the expansion sleeve is subjected to a large compressive force from the socket component 3, the buffer corrugated tube 26 and the buffer pad 33 can play a buffering role, thereby reducing the probability of the expansion sleeve being damaged when subjected to a large compressive force from the socket component 3. Example 2

[0033] Please see Figures 1-6This utility model provides a technical solution: a leak-proof stainless steel expansion sleeve with a buffer pad, comprising a first expansion tube 1, the first expansion tube 1 having a first connecting section 11, one end of the first connecting section 11 being fixedly connected to a first expansion section 12, and the outer wall of the first expansion section 12 being fixedly connected to a first barb 13; a second expansion tube 2, the second expansion tube 2 being disposed at one end of the first expansion tube 1, the second expansion tube 2 being provided with a second connecting section 21, one end of the second connecting section 21 being fixedly connected to a second expansion section 22, and the outer wall of the second expansion section 22 being fixedly connected to a second barb 23; and a socket member 3, the socket member 3 being disposed on the side of the first expansion tube 1, the socket member 3 being provided with a socket branch platform 31, and a buffer pad 33 being provided on one side of the socket branch platform 31.

[0034] Please see Figures 4-6 The inner wall of the socket 15 fits against the outer wall of the insertion tube 25, and the size of the socket 15 is adapted to the size of the insertion tube 25.

[0035] There are two socket components 3, which are arranged on the sides of the first expansion tube 1 and the second expansion tube 2. The socket branch platform 31 is in the shape of a frustum.

[0036] The socket support 31 has a through hole 32 inside, through hole 32 allows the lead screw to pass through, and a flat gasket 34 is provided on one side of the buffer gasket 33.

[0037] In use, the first barb 13 is symmetrically arranged on the outer wall of the first expansion section 12, and the first notch 14 is opened on the outer wall of the first expansion section 12. Then, the second barb 23 is symmetrically arranged on the outer wall of the second expansion section 22, and the second notch 24 is opened on the outer wall of the second expansion section 22. The socket member 3 is installed on the side of the first expansion tube 1 and the second expansion tube 2. Then, the buffer gasket 33 is installed on the side of the socket branch platform 31, and the flat gasket 34 is installed on the side of the buffer gasket 33. After the socket member 3 is subjected to the compressive force of the bolt, the socket branch platform 31 is inserted from one end of the first expansion section 12 and the second expansion section 22, causing one end of the first expansion section 12 and the second expansion section 22 to expand, thereby increasing the friction between the expansion sleeve and the installation position, making the leak-proof stainless steel expansion sleeve with buffer gasket more stable.

[0038] The above description of the disclosed embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A leakproof stainless steel expansion joint with cushion gasket, characterized by: It includes The first expansion tube (1) has a first connecting section (11), one end of the first connecting section (11) is fixedly connected to a first expansion section (12), and the outer wall of the first expansion section (12) is fixedly connected to a first barb (13). The second expansion tube (2) is arranged at one end of the first expansion tube (1). The second expansion tube (2) is provided with a second connecting section (21). One end of the second connecting section (21) is fixedly connected to a second expansion section (22). The outer wall of the second expansion section (22) is fixedly connected to a second barb (23). The socket component (3) is arranged on the side of the first expansion tube (1). The socket component (3) is provided with a socket branch platform (31). A buffer pad (33) is provided on one side of the socket branch platform (31).

2. A leakproof stainless steel expansion joint with cushion gasket as claimed in claim 1 wherein: The first expansion section (12) has a first notch (14) on its outer wall surface. The first barb (13) has four barbs and is symmetrically arranged on the outer wall surface of the first expansion section (12). The first connecting section (11) has an insertion hole (15) inside.

3. A leakproof stainless steel expansion joint with cushion gasket as claimed in claim 1 wherein: The second expansion section (22) has a second notch (24) on its outer wall surface, and the other end of the second connecting section (21) has a tube (25) through which the lead screw can pass.

4. A leakproof stainless steel expansion joint with cushion gasket as claimed in claim 3 wherein: The insertion tube (25) is fitted with a buffer corrugated tube (26), and the size of the insertion tube (25) is adapted to the size of the buffer corrugated tube (26).

5. A leak-proof stainless steel expansion sleeve with a buffer pad according to claim 2, characterized in that: The inner wall of the insertion hole (15) fits against the outer wall of the insertion tube (25), and the size of the insertion hole (15) is adapted to the size of the insertion tube (25).

6. A leakproof stainless steel expansion joint with cushion gasket as claimed in claim 1 wherein: The number of the socket components (3) is two. The socket components (3) are arranged on the sides of the first expansion tube (1) and the second expansion tube (2). The socket branch platform (31) is in the shape of a frustum.

7. A leakproof stainless steel expansion joint with cushion gasket as claimed in claim 1 wherein: The socket support (31) is provided with a through hole (32) inside, through hole (32) through which the lead screw can pass, and a flat gasket (34) is provided on one side of the buffer gasket (33).

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