Lengthened high-strength nylon expansion sleeve

Abstract

The utility model discloses a lengthened type high-strength nylon expansion sleeve, which relates to the technical field of expansion sleeves and comprises an expansion sleeve main body, the expansion sleeve main body comprises an expansion sleeve, one end of the expansion sleeve is provided with a lengthened component, the outer wall of the other end of the expansion sleeve is provided with a wear-resistant ring, and the middle of the side wall of the expansion sleeve is provided with a connecting plate. A triangular inclined block is arranged on one side of the connecting plate, a clamping plate is arranged on the other side of the connecting plate, a reinforcing layer is arranged in the middle of the expansion sleeve, the lengthening assembly comprises a lengthening sleeve, a lengthening sleeve is arranged at one end of the lengthening sleeve, a lengthening sliding groove is formed in the middle of the side wall of the lengthening sleeve, and a limiting clamping block is arranged in the middle of the lengthening sliding groove. The extension sleeve is inserted into the extension sliding groove in one end of the expansion sleeve, so that the expansion sleeve main body can be conveniently lengthened, the connection size of the expansion sleeve main body is prolonged, and the connection stability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of expansion sleeves, and particularly relates to an extended high-strength nylon expansion sleeve. Background Art

[0002] An expansion screw sleeve refers to a sleeve that expands and extends outward when being extruded, and is usually used in cooperation with a metal expansion wire. The structure of the expansion screw sleeve will greatly affect the fixing effect of the expansion screw. When in use, the expansion sleeve is inserted into the drilled hole, and the expansion wire is inserted into the interior of the expansion sleeve to achieve the extrusion and deformation of the expansion sleeve, thereby improving the connection stability.

[0003] However, most of the existing expansion sleeves are made of plastic materials, and their wear resistance is not ideal during use, and they are prone to damage, resulting in waste of the expansion sleeves. Therefore, it is necessary to provide an extended high-strength nylon expansion sleeve to solve the problem. Content of the Utility Model

[0004] The main purpose of the utility model is to provide an extended high-strength nylon expansion sleeve, which can effectively solve the problems in the background art.

[0005] To achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0006] An extended high-strength nylon expansion sleeve, including an expansion sleeve main body, the expansion sleeve main body includes an expansion sleeve. One end of the expansion sleeve is provided with an extension component, and the outer wall of the other end of the expansion sleeve is provided with a wear-resistant ring. A connecting plate is arranged in the middle of the side wall of the expansion sleeve. One side of the connecting plate is provided with a triangular inclined block, and the other side of the connecting plate is provided with a clamping plate. A reinforcing layer is arranged in the middle of the expansion sleeve;

[0007] The extension component includes an extension sleeve. One end of the extension sleeve is provided with an extension sleeve, and an extension chute is arranged in the middle of the side wall of the extension sleeve. A limit clamping block is arranged in the middle of the extension chute;

[0008] The reinforcing layer includes a nylon wrapping layer. A wear-resistant layer is arranged inside the nylon wrapping layer, and a woven steel wire mesh is arranged in the middle of the wear-resistant layer. A resin layer is arranged on one side of the woven steel wire mesh.

[0009] Preferably, a wear-resistant ring is fixedly connected to the outer wall of the expansion sleeve near the bottom, and there are multiple wear-resistant rings, which are evenly distributed on the outer wall of the expansion sleeve. Through grooves are formed on the side wall of the expansion sleeve. There are two through grooves, which are symmetrically distributed on the side wall of the expansion sleeve, and the wear-resistant ring is located between the two through grooves.

[0010] Preferably, a cavity is formed in the middle of the expansion sleeve, and the cavity is communicated with the through groove. A connecting plate is fixedly connected to the bottom inner wall of the through groove, and the connecting plate is arranged corresponding to the through groove. One side of the connecting plate close to the inner wall of the expansion sleeve is fixedly connected with a triangular inclined block, and the triangular inclined block extends into the interior of the expansion sleeve. The side of the connecting plate away from the triangular inclined block is fixedly connected with a clamping plate, and the clamping plate is arranged at an inclined angle on the side of the connecting plate.

[0011] Preferably, a plugging groove is formed at the top of the expansion sleeve, and an extension sleeve is slidably connected in the middle of the plugging groove. The outer wall and the inner wall of the extension sleeve are in contact with the two inner walls of the plugging groove. The top of the extension sleeve is fixedly connected with an extension sleeve, and one end of the extension sleeve close to the extension sleeve is in contact with the top of the expansion sleeve. The top of the extension sleeve is fixedly connected with a top wear-resistant plate, and a limit clamping block is fixedly connected to the top of the plugging groove.

[0012] Preferably, there are four limit clamping blocks, which are symmetrically distributed in the middle of the top of the plugging groove, and the plugging groove is annularly arranged at the top of the expansion sleeve. The limit clamping block penetrates through the extension sleeve, and an extension sliding groove is formed in the middle of the side wall of the extension sleeve. The limit clamping block is slidably connected in the interior of the extension sliding groove, and there is a certain distance between the extension sliding groove and the bottom of the extension sleeve.

[0013] Preferably, the wear-resistant layer is fixedly connected with the nylon wrapping layer, and a woven steel wire mesh is fixedly connected to the side of the wear-resistant layer away from the nylon wrapping layer. The woven steel wire mesh is fixedly connected with the resin layer, and the nylon wrapping layer wraps the outside of the wear-resistant layer, the woven steel wire mesh and the resin layer.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. By arranging the extension sleeve to be inserted into the extension sliding groove at one end of the expansion sleeve, the lengthening of the expansion sleeve body is facilitated, the connection dimension of the expansion sleeve body is extended, and the connection stability is improved;

[0016] 2. By arranging the wear-resistant ring and the strengthening layer, the durability of the device is improved. By arranging the wear-resistant ring and the wear-resistant layer to be used in cooperation, the wear resistance of the device is improved, and the damage of the expansion sleeve body during use is prevented, which affects the stability of the expansion sleeve body. And by arranging the nylon wrapping layer and the woven steel wire mesh, the use toughness of the expansion sleeve body is improved, and the service life of the expansion sleeve body is further extended. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is the first perspective three-dimensional view of the whole device of the utility model;

[0018] Figure 2 is the second perspective three-dimensional view of the whole device of the utility model;

[0019] Figure 3 It is a structural schematic diagram of the lengthening component of the present utility model;

[0020] Figure 4 It is a structural schematic diagram of the expansion sleeve of the present utility model.

[0021] In the figure: 1. Expansion sleeve main body; 2. Cavity; 3. Top wear-resistant plate; 4. Wear-resistant ring; 5. Through groove; 6. Connecting plate; 7. Triangular inclined block; 8. Clamping plate; 9. Lengthening component; 10. Lengthening sleeve; 11. Insertion slot; 12. Extension sleeve; 13. Extension sliding groove; 14. Limit clamping block; 15. Nylon wrapping layer; 16. Reinforcing layer; 17. Wear-resistant layer; 18. Braided steel wire mesh; 19. Resin layer; 20. Expansion sleeve. Specific embodiments

[0022] In order to make the technical means, creative features, achieved purposes and effects of the present utility model easy to understand, the present utility model will be further elaborated below in conjunction with specific embodiments.

[0023] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, a lengthened high-strength nylon expansion sleeve includes an expansion sleeve main body 1. The expansion sleeve main body 1 includes an expansion sleeve 20. One end of the expansion sleeve 20 is provided with a lengthening component 9, and a wear-resistant ring 4 is provided on the outer wall of the other end of the expansion sleeve 20. A connecting plate 6 is provided in the middle of the side wall of the expansion sleeve 20. A triangular inclined block 7 is provided on one side of the connecting plate 6, and a clamping plate 8 is provided on the other side of the connecting plate 6. A reinforcing layer 16 is provided in the middle of the expansion sleeve 20. A wear-resistant ring 4 is fixedly connected to the outer wall of the expansion sleeve 20 near the bottom, and there are multiple wear-resistant rings 4, which are evenly distributed on the outer wall of the expansion sleeve 20. Through grooves 5 are provided on the side wall of the expansion sleeve 20. There are two through grooves 5, which are symmetrically distributed on the side wall of the expansion sleeve 20, and the wear-resistant ring 4 is located between the two through grooves 5. A cavity 2 is provided in the middle of the expansion sleeve 20, and the cavity 2 communicates with the through groove 5. A connecting plate 6 is fixedly connected to the bottom inner wall of the through groove 5, and the connecting plate 6 is arranged corresponding to the through groove 5. A triangular inclined block 7 is fixedly connected to one side of the connecting plate 6 close to the inner wall of the expansion sleeve 20, and the triangular inclined block 7 extends into the interior of the expansion sleeve 20. A clamping plate 8 is fixedly connected to the side of the connecting plate 6 far from the triangular inclined block 7, and the clamping plate 8 is arranged at an inclined angle on the side surface of the connecting plate 6;

[0024] The lengthening component 9 includes a lengthening sleeve 10. One end of the lengthening sleeve 10 is provided with an extension sleeve 12, and an extension chute 13 is provided in the middle of the side wall of the extension sleeve 12. A limit clamping block 14 is provided in the middle of the extension chute 13. A plugging groove 11 is opened at the top of the expansion sleeve 20, and the extension sleeve 12 is slidably connected in the middle of the plugging groove 11. The outer wall and the inner wall of the extension sleeve 12 are in contact with the inner walls on both sides of the plugging groove 11. The top of the extension sleeve 12 is fixedly connected to the lengthening sleeve 10, and one end of the lengthening sleeve 10 close to the extension sleeve 12 is in contact with the top of the expansion sleeve 20. The top of the lengthening sleeve 10 is fixedly connected to the top wear-resistant plate 3. The limit clamping block 14 is fixedly connected to the top of the plugging groove 11. There are four limit clamping blocks 14, which are symmetrically distributed in the middle of the top of the plugging groove 11, and the plugging groove 11 is annularly arranged at the top of the expansion sleeve 20. The limit clamping block 14 penetrates through the extension sleeve 12, and an extension chute 13 is opened in the middle of the side wall of the extension sleeve 12. The limit clamping block 14 is slidably connected inside the extension chute 13. There is a certain distance between the extension chute 13 and the bottom of the extension sleeve 12. By arranging the extension sleeve 12 to be inserted into the extension chute 13 at one end of the expansion sleeve 20, it is convenient to lengthen the expansion sleeve main body 1, extend the connection dimension of the expansion sleeve main body 1, and improve the connection stability;

[0025] The strengthening layer 16 includes a nylon wrapping layer 15. A wear-resistant layer 17 is provided inside the nylon wrapping layer 15, and a braided steel wire mesh 18 is provided in the middle of the wear-resistant layer 17. A resin layer 19 is provided on one side of the braided steel wire mesh 18. The wear-resistant layer 17 is fixedly connected to the nylon wrapping layer 15, and the braided steel wire mesh 18 is fixedly connected to the side of the wear-resistant layer 17 away from the nylon wrapping layer 15. The braided steel wire mesh 18 is fixedly connected to the resin layer 19. The nylon wrapping layer 15 wraps outside the wear-resistant layer 17, the braided steel wire mesh 18 and the resin layer 19. By arranging the wear-resistant ring 4 and the strengthening layer 16, the durability of the device is improved. By using the wear-resistant ring 4 and the wear-resistant layer 17 in cooperation, the wear resistance of the device is improved, preventing the expansion sleeve main body 1 from being damaged during use and affecting the stability of the expansion sleeve main body 1. And by arranging the nylon wrapping layer 15 and the braided steel wire mesh 18, the use toughness of the expansion sleeve main body 1 is improved, and the service life of the expansion sleeve main body 1 is further extended.

[0026] It should be noted that the present utility model is an elongated high-strength nylon expansion sleeve. When in use, the expansion sleeve body 1 is inserted into the drilled hole, and then the expansion wire is inserted into the inner cavity 2 in the middle of the expansion sleeve body 1, so that the expansion wire squeezes the triangular inclined block 7 extending into the expansion sleeve 20, causing the triangular inclined block 7 to drive the connecting plate 6 and the clamping plate 8 to extend outward from the expansion sleeve 20. When the expansion wire is continuously inserted, the separation and ejection of the expansion sleeve 20 and the extension sleeve 12 are realized. The extension chute 13 in the middle of the extension sleeve 12 slides along the limit clamping block 14, thereby realizing the lengthening of the expansion sleeve body 1, improving the connection stability between the expansion wire and the adherend, and there is a certain distance between the bottom of the extension chute 13 and the extension sleeve 12 provided. The limit clamping block 14 is clamped at one end of the extension chute 13 close to the bottom of the extension sleeve 12, thereby realizing the limit connection between the extension sleeve 12 and the expansion sleeve 20 and preventing separation during use and affecting the connection effect. A wear-resistant ring 4 is provided on the outer wall of the expansion sleeve 20, and the wear-resistant ring 4 is used in cooperation with the nylon wrapping layer 15 and the wear-resistant layer 17 to improve the wear resistance of the expansion sleeve body 1 and prevent excessive wear during use, resulting in damage to the expansion sleeve body 1 and affecting the use. A braided steel wire mesh 18 and a resin layer 19 are provided in the middle of the expansion sleeve body 1. The braided steel wire mesh 18 is positioned by the resin layer 19. The use toughness of the expansion sleeve body 1 is improved by the braided steel wire mesh 18 and the nylon wrapping layer 15, and the service life of the expansion sleeve body 1 is extended.

[0027] The above shows and describes the basic principles, main features and advantages of the present utility model. Those skilled in the art of this industry should understand that the present utility model is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principle of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. An extended high-strength nylon expansion sleeve, comprising an expansion sleeve body (1), characterized in that: The expansion sleeve body (1) comprises an expansion sleeve (20), one end of which is provided with an extension component (9), and the other end of the expansion sleeve (20) is provided with a wear-resistant ring (4), a connecting plate (6) is provided in the middle of the side wall of the expansion sleeve (20), a triangular inclined block (7) is provided on one side of the connecting plate (6), and a clamping plate (8) is provided on the other side of the connecting plate (6), and a reinforcing layer (16) is provided in the middle of the expansion sleeve (20); The extension component (9) comprises an extension sleeve (10), one end of the extension sleeve (10) is provided with an extension sleeve (12), and an extension slide groove (13) is provided in the middle of the side wall of the extension sleeve (12), and a limit block (14) is provided in the middle of the extension slide groove (13); The reinforcing layer (16) comprises a nylon wrapping layer (15), a wear-resistant layer (17) is arranged inside the nylon wrapping layer (15), a woven steel wire mesh (18) is arranged in the middle of the wear-resistant layer (17), and a resin layer (19) is arranged on one side of the woven steel wire mesh (18).

2. The extended high-strength nylon expansion sleeve according to claim 1, characterized in that: A wear-resistant ring (4) is fixedly connected to the outer wall of the expansion sleeve (20) near the bottom, and there are multiple wear-resistant rings (4) that are evenly distributed on the outer wall of the expansion sleeve (20). A through groove (5) is opened on the side wall of the expansion sleeve (20). There are two through grooves (5) that are symmetrically distributed on the side wall of the expansion sleeve (20), and the wear-resistant ring (4) is located between the two through grooves (5).

3. The extended high-strength nylon expansion sleeve according to claim 2, characterized in that: A cavity (2) is provided in the middle of the expansion sleeve (20), and the cavity (2) is communicated with the through groove (5). A connecting plate (6) is fixedly connected to the inner wall of the bottom of the through groove (5), and the connecting plate (6) and the through groove (5) are arranged correspondingly. A triangular inclined block (7) is fixedly connected to the side of the connecting plate (6) close to the inner wall of the expansion sleeve (20), and the triangular inclined block (7) extends to the inside of the expansion sleeve (20). A clamping plate (8) is fixedly connected to the side of the connecting plate (6) away from the triangular inclined block (7), and the clamping plate (8) is arranged at an inclined angle on the side of the connecting plate (6).

4. The extended high-strength nylon expansion sleeve according to claim 1, characterized in that: The top of the expansion sleeve (20) is provided with a plug-in slot (11), and an extension sleeve (12) is slidably connected in the middle of the plug-in slot (11), the outer wall and the inner wall of the extension sleeve (12) are in contact with the inner walls on both sides of the plug-in slot (11), the top of the extension sleeve (12) is fixedly connected with an extension sleeve (10), and one end of the extension sleeve (10) close to the extension sleeve (12) is in contact with the top of the expansion sleeve (20), the top of the extension sleeve (10) is fixedly connected with a top wear-resistant plate (3), and the top of the plug-in slot (11) is fixedly connected with a limiting block (14).

5. The extended high-strength nylon expansion sleeve according to claim 4, characterized in that: There are four limit blocks (14), which are symmetrically distributed in the middle of the top of the plug-in slot (11), and the plug-in slot (11) is arranged in a ring shape at the top of the expansion sleeve (20). The limit block (14) passes through the extension sleeve (12), and an extension slide groove (13) is opened in the middle of the side wall of the extension sleeve (12). The limit block (14) is slidably connected to the inside of the extension slide groove (13), and a certain distance is set between the extension slide groove (13) and the bottom of the extension sleeve (12).

6. The extended high-strength nylon expansion sleeve according to claim 1, characterized in that: The wear-resistant layer (17) is fixedly connected to the nylon wrapping layer (15), and a woven steel mesh (18) is fixedly connected to a side of the wear-resistant layer (17) away from the nylon wrapping layer (15), the woven steel mesh (18) is fixedly connected to the resin layer (19), and the nylon wrapping layer (15) is wrapped around the outside of the wear-resistant layer (17), the woven steel mesh (18) and the resin layer (19).

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