Broken-end bolt extractor

Abstract

The utility model relates to the field of bolt taking-out devices, and discloses a broken-end bolt taking-out device. The broken-end bolt extractor comprises an extractor body, a plurality of sliding grooves are formed in the extractor body, sliding plates are slidably connected to the interiors of the sliding grooves, movable clamping blocks are fixedly connected to the middle positions of the adjacent sliding plates, threaded holes are formed in the side faces of the sliding plates, and threaded holes are formed in the threaded holes. A plurality of through holes are formed in the side face of the extractor body, then a movable clamping block is moved to a proper position, then fixing bolts are inserted into the through holes again, then threaded holes formed in the side face of a sliding plate are connected, the position of the sliding plate in a sliding groove is fixed, it is guaranteed that the position of the movable clamping block is stable, and therefore follow-up operation and use are facilitated; and the sliding grooves can be conveniently matched with the position sliding use of the sliding plates, so that the clamping blocks can be conveniently moved to adjust the position, and the assembly can be conveniently adjusted and used.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of bolt extractor, specifically to a broken bolt extractor. BACKGROUND

[0002] The broken bolt extractor is a tool designed specifically for extracting broken or damaged bolts, which has several significant advantages. First, it effectively solves the common problem of bolt breakage, especially in mechanical equipment, automobiles, construction and other fields. After the bolt breaks, it is usually difficult to remove, and traditional methods often require damage to the surrounding structure or equipment. However, using the broken bolt extractor can successfully extract the broken bolt without damaging other components, greatly improving work efficiency. Second, the tool is easy to operate, even for inexperienced workers.

[0003] As disclosed in CN210550941U, a kind of extractor, especially relates to a kind of for taking out broken bolt's extractor. It does not need to adjust the size of wrench, and the broken bolt extractor is convenient to use. Including the body of extractor and the sleeve of sleeveing on the body of extractor, the sleeve includes the first tenon that can be detached and fixed on the electric drill and the sleeve body for sleeveing the body of extractor;Jiancao is multilayer structure, the size of its jiancao is smaller and smaller towards the bottom of sleeve body, so when the large size of extractor is sleeve in the inside of sleeve, then it is directly sleeve in the jiancao of corresponding size, and because the shape of jiancao and the shape and size of the second tenon on the body of extractor are matched, therefore the body of extractor will not slip in jiancao, and the use effect is good.

[0004] However, in the use of the components in the common application, it is not convenient to adjust the use according to the size of the rotating head, thereby reducing the adaptability of the equipment and the subsequent operation. Utility model content

[0005] The purpose of the present application is to solve the problem of adjusting the use of equipment components according to the size of the rotating head, and to provide a broken bolt extractor.

[0006] The technical scheme adopted by the present application is as follows: a broken bolt extractor, comprising an extractor main body, a plurality of sliding grooves are formed in the inside of the extractor main body, a sliding plate is slidably connected in the inside of the sliding groove, a moving clamping block is fixedly connected at the middle position of adjacent sliding plates, a threaded hole is formed in the side surface of the sliding plate, a plurality of through holes are formed in the side surface of the extractor main body, a plurality of fixed bolts are threadedly connected in the through holes, and the other end of the fixed bolt is inserted into the threaded hole formed in the side surface of the sliding plate through the extractor main body.

[0007] By adopting the technical scheme, in the use of the device, the worker can adjust the position of the mobile clamping block, so as to conveniently clamp the rotating head of different sizes in the extractor main body, thereby facilitating the subsequent taking operation, in use, the worker takes out the fixing bolt from the side of the extractor main body, then moves the mobile clamping block to the appropriate position, then inserts the fixing bolt back into the through hole, then connects the threaded hole arranged on the side of the sliding plate, fixes the position of the sliding plate in the sliding groove, and ensures the stable position of the mobile clamping block, thereby facilitating the subsequent operation, and the sliding groove facilitates the sliding use of the position of the sliding plate, thereby facilitating the adjustment of the position of the mobile clamping block, thereby facilitating the adjustment use of the assembly.

[0008] In a preferred embodiment, the side surface of the mobile clamping block is fixedly connected with a connecting spring, and the other end of the connecting spring is fixedly connected with the extractor main body.

[0009] By adopting the technical scheme, the connecting spring facilitates the connection of the position of the mobile clamping block in the use of the device, thereby facilitating the movement of the position of the mobile clamping block in use, thereby facilitating the adjustment of the worker.

[0010] In a preferred embodiment, the inside of the extractor main body is fixedly connected with a fixed clamping block at a position adjacent to the sliding groove, and a plurality of connecting ring plates are fixedly connected to the side surface of the extractor main body at a position adjacent to the through hole.

[0011] By adopting the technical scheme, the fixed clamping block cooperates with the mobile clamping block to facilitate the position fixing of the rotating head placed in the inside of the extractor main body, thereby facilitating the subsequent operation, and the connecting ring plate facilitates the position of the handle rod.

[0012] In a preferred embodiment, the side surface of the connecting ring plate is fixedly connected with a handle rod, and the end of the handle rod away from the connecting ring plate is bonded with an anti-skid layer.

[0013] By adopting the technical scheme, the use of the handle rod and the anti-skid layer facilitates the rotation of the position of the extractor main body, thereby facilitating the normal operation of the assembly, and the anti-skid layer enhances the friction force on the upper end of the handle rod, thereby facilitating the hand-held use of the worker.

[0014] In a preferred embodiment, the fixed clamping block and the mobile clamping block are clamped with rotating heads including rotating head one, rotating head two and rotating head three.

[0015] By adopting the technical scheme, by using different rotating heads, the worker can adjust the mobile clamping block according to the sizes of the rotating head one, the rotating head two and the rotating head three in use, so as to facilitate the subsequent operation.

[0016] In a preferred embodiment, the handle rod is composed of multiple layers of materials, the inside of the handle rod is provided with an alloy steel layer, and the inside of the handle rod is provided with a high-carbon steel layer at the lower end of the alloy steel layer.

[0017] By adopting the above technical scheme, the alloy steel layer can significantly improve the hardness, tensile strength and wear resistance by adding different alloy elements, and is suitable for disassembling high-strength bolts. The high-carbon steel layer has high hardness and is suitable for bolts with high strength or bolts that have been heat treated. The high-carbon steel layer has good wear resistance and is suitable for repeated use.

[0018] In a preferred embodiment, the inside of the handle rod is provided with a stainless steel layer at the lower end of the high-carbon steel layer.

[0019] By adopting the above technical scheme, the stainless steel layer has strong corrosion resistance and is suitable for use in humid or chemical-exposed environments. The stainless steel layer has good toughness and wear resistance and is suitable for daily use and environments with large temperature changes.

[0020] In summary, due to the adoption of the above technical scheme, the beneficial effects of the present application are:

[0021] In the present application, during use of the device, the worker can adjust the position of the mobile clamping block to facilitate clamping different sizes of rotating heads in the extractor body, thereby facilitating subsequent extraction work. During use, the worker removes the fixing bolt from the side of the extractor body, then moves the mobile clamping block to the appropriate position, then reinserts the fixing bolt into the through hole, then connects the threaded hole provided on the side of the sliding plate, fixes the position of the sliding plate in the sliding groove, and ensures the stability of the position of the mobile clamping block, thereby facilitating subsequent work. The sliding groove facilitates the sliding of the sliding plate, thereby facilitating the adjustment of the position of the mobile clamping block, thereby facilitating the adjustment of the assembly. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 The present application is a broken bolt extractor structure schematic diagram;

[0023] Figure 2 The present application is a mobile clamping block structure schematic diagram;

[0024] Figure 3 The present application is a rotating head structure schematic diagram;

[0025] Figure 4 The present application is a handle rod material composition schematic diagram.

[0026] Marked in the figure: 1, the extractor main body; 2, the connecting ring plate; 3, the fixed bolt; 4, the through hole; 5 handle bar; 6, the anti-skid layer; 7, the connecting spring; 8, the moving clamping block; 9, the sliding groove; 10, the fixed clamping block; 11, the sliding plate; 12, the threaded hole; 13, the rotating head one; 14, the rotating head two; 15, the rotating head three; 16, the alloy steel layer; 17, the high carbon steel layer; 18, the stainless steel layer. DETAILED DESCRIPTION

[0027] To make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the embodiments of the present application. Obviously, the described embodiments are some but not all of the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0028] EMBODIMENT

[0029] WITH REFERENCE Figures 1-2 A broken bolt extractor includes an extractor main body 1, a plurality of sliding grooves 9 are formed in the inside of the extractor main body 1, a sliding plate 11 is slidably connected in the inside of the sliding groove 9, a moving clamping block 8 is fixedly connected at the middle position of adjacent sliding plates 11, a threaded hole 12 is formed in the side surface of the sliding plate 11, a plurality of through holes 4 are formed in the side surface of the extractor main body 1, a plurality of fixed bolts 3 are threadedly connected in the through holes 4, the other end of the fixed bolt 3 is inserted into the threaded hole 12 formed in the side surface of the sliding plate 11 through the extractor main body 1. In the use of the device, the position of the moving clamping block 8 can be adjusted by the worker, so that the rotating head of different sizes can be clamped in the extractor main body 1, thereby facilitating the subsequent extraction operation. In use, the worker takes out the fixed bolt 3 from the side surface of the extractor main body 1, then moves the moving clamping block 8 to the appropriate position, then reinserts the fixed bolt 3 into the through hole 4, then connects the threaded hole 12 formed in the side surface of the sliding plate 11, fixes the position of the sliding plate 11 in the sliding groove 9, and ensures the position of the moving clamping block 8 is stable, thereby facilitating the subsequent operation. The sliding groove 9 facilitates the sliding of the sliding plate 11, thereby facilitating the adjustment of the position of the moving clamping block 8, thereby facilitating the adjustment of the assembly.

[0030] WITH REFERENCE Figure 1 The side surface of the moving clamping block 8 is fixedly connected with a connecting spring 7, the other end of the connecting spring 7 is fixedly connected with the extractor main body 1. The connecting spring 7 facilitates the connection of the position of the moving clamping block 8 in the use of the device, thereby facilitating the movement of the position of the moving clamping block 8 in use, thereby facilitating the adjustment of the worker.

[0031] WITH REFERENCE Figure 1The inner part of the extractor body 1 is fixedly connected with a fixed clamping block 10 adjacent to the sliding groove 9, and a plurality of connecting ring plates 2 are fixedly connected to the side of the extractor body 1 adjacent to the through hole 4, the fixed clamping block 10 cooperates with the movable clamping block 8, which is convenient for fixing the position of the adapter placed in the inner part of the extractor body 1, and facilitates subsequent operation and use, and the connecting ring plate 2 facilitates the position of the handle rod 5.

[0032] With reference to Figure 1 The side of the connecting ring plate 2 is fixedly connected with the handle rod 5, and the end of the handle rod 5 away from the connecting ring plate 2 is bonded with the anti-skid layer 6. Through the use of the handle rod 5 and the anti-skid layer 6, the position of the extractor body 1 is conveniently rotated, thereby facilitating the normal operation and use of the assembly, and the anti-skid layer 6 enhances the friction force on the upper end of the handle rod 5, facilitating the hand-held use of the staff.

[0033] With reference to Figures 1-3 The middle positions of the fixed clamping block 10 and the movable clamping block 8 are clamped with the adapter including an adapter one 13, an adapter two 14 and an adapter three 15. Through different adapters, the staff can adjust the movable clamping block 8 according to the sizes of the adapter one 13, the adapter two 14 and the adapter three 15 in use, so as to facilitate subsequent control and use.

[0034] With reference to Figure 1 , Figure 4 The handle rod 5 is composed of multiple layers of materials. The inner part of the handle rod 5 is provided with an alloy steel layer 16, and the inner part of the handle rod 5 is provided with a high-carbon steel layer 17 below the alloy steel layer 16. The alloy steel layer 16 can significantly improve the hardness, tensile strength and wear resistance by adding different alloy elements, and is suitable for the disassembly of high-strength bolts. The high-carbon steel layer 17 has high hardness and is suitable for high-strength bolts or heat-treated bolts. The high-carbon steel layer 17 has good wear resistance and is suitable for repeated use.

[0035] With reference to Figure 1 , Figure 4 The inner part of the handle rod 5 is provided with a stainless steel layer 18 below the high-carbon steel layer 17. The stainless steel layer 18 is suitable for use in humid or chemical-exposed environments due to its strong corrosion resistance. The stainless steel layer 18 has good toughness and wear resistance, and is suitable for daily use and environments with large temperature changes.

[0036] The implementation principle of the broken bolt extractor embodiment is:

[0037] In the use of the device, the worker can facilitate the clamping of different size of the head in the extractor body 1 by adjusting the position of the mobile clamping block 8, so as to facilitate the subsequent use of the extraction operation, in use, the worker takes out the fixing bolt 3 from the side of the extractor body 1, then moves the mobile clamping block 8 to the appropriate position, then inserts the fixing bolt 3 back into the through hole 4, then connects the threaded hole 12 on the side of the sliding plate 11, fixes the position of the sliding plate 11 in the sliding groove 9, ensures the position of the mobile clamping block 8 is stable, so as to facilitate the subsequent use of the operation, the sliding groove 9 is convenient for sliding with the position of the sliding plate 11, so as to facilitate the adjustment of the position of the mobile clamping block 8, so as to facilitate the adjustment of the assembly, by using the structure, it is convenient to adjust the position of the clamping assembly in use, so as to facilitate the installation and fixation of the position of the different size of the head, so as to facilitate the extraction operation of the bolt.

[0038] The above examples are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing examples, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A broken bolt extractor comprising an extractor body (1) characterised in that: The inside of the extractor body (1) is provided with a plurality of sliding grooves (9), the inside of the sliding groove (9) is slidably connected with a sliding plate (11), the middle position of adjacent sliding plates (11) is fixedly connected with a moving clamping block (8), the side surface of the sliding plate (11) is provided with a threaded hole (12), the side surface of the extractor body (1) is provided with a plurality of through holes (4), the through hole (4) is threadedly connected with a plurality of fixing bolts (3), the other end of the fixing bolt (3) is inserted into the threaded hole (12) provided on the side surface of the sliding plate (11) through the extractor body (1).

2. A broken bolt extractor as defined in claim 1 wherein: The side surface of the moving clamping block (8) is fixedly connected with a connecting spring (7), the other end of the connecting spring (7) is fixedly connected with the extractor body (1).

3. A broken bolt extractor as defined in claim 1 wherein: The inside of the extractor body (1) is fixedly connected with a fixed clamping block (10) at the adjacent position of the sliding groove (9), the side surface of the extractor body (1) is fixedly connected with a plurality of connecting ring plates (2) at the adjacent side of the through hole (4).

4. A broken bolt extractor as defined in claim 3 wherein: The side surface of the connecting ring plate (2) is fixedly connected with a handle rod (5), one end of the handle rod (5) away from the connecting ring plate (2) is bonded with a non-slip layer (6).

5. A broken bolt extractor as defined in claim 3 wherein: The middle position of the fixed clamping block (10) and the moving clamping block (8) is clamped with a rotating head including a rotating head one (13), a rotating head two (14) and a rotating head three (15).

6. A broken bolt extractor as defined in claim 4 wherein: The handle rod (5) is composed of multiple layers of materials, the inside of the handle rod (5) is provided with an alloy steel layer (16), the inside of the handle rod (5) is provided with a high carbon steel layer (17) below the alloy steel layer (16).

7. A broken bolt extractor as defined in claim 4 wherein: The inside of the handle rod (5) is provided with a stainless steel layer (18) below the high carbon steel layer (17).

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