Special sleeve

Abstract

The utility model relates to a special sleeve, which belongs to the field of sleeve tools and comprises a sleeve tail, a sleeve rod, a sleeve head, a pressing rod, a transmission rod, a fixing column and a spring, the sleeve rod is mounted in the center of the top of the sleeve tail, and the sleeve head is mounted in the center of the top of the sleeve rod and sleeved on the top of the sleeve rod. In this way, the sleeve tail, the sleeve rod and the sleeve head can be concentric, deviation is avoided, the pressing rod is installed in the sleeve rod and penetrates out of the sleeve rod, the transmission rod is installed in the center of the interior of the sleeve rod, the fixing column is installed in a hole in the upper portion of the sleeve rod, and the spring is connected with the transmission rod and the inner wall of the sleeve rod. According to the bolt tightening device, the problem of tightening or loosening a bolt at a difficult position and a narrow position is solved, the bolt tightening problem of a ceramic cap is solved, meanwhile, tightening can be conducted through a wrench under the condition that an air gun and an electric bolt gun do not exist, and different bolts can be tightened by replacing the sleeve head.

Description

Technical Field

[0001] The utility model relates to a special sleeve, belonging to the field of sleeve tools. Background Art

[0002] With the increasing development and growth of society, infrastructure construction has become more and more important. Then, the mechanical facilities relative to the infrastructure have also become more and more important. However, with the continuous development of machinery, there are many bolts in some mechanical positions that are difficult to fasten, which makes fastening bolts a difficult problem. For example, for a ceramic cap, the ceramic cap needs to be installed in a special position, but the screw rod and the bolt are installed in the cap hole, and the bolt cannot be tightened. Summary of the Invention

[0003] According to the problems described in the background, the problem to be solved by the utility model is to provide a special sleeve, which can solve the problem of tightening or loosening bolts in difficult positions and narrow positions, as well as the problem of tightening the bolt of the ceramic cap. At the same time, it can be tightened by a wrench in the absence of an air gun and an electric bolt gun, and the socket head can also be replaced to tighten different bolts.

[0004] To achieve the above object, the utility model provides the following technical solution: provide a special sleeve, including a sleeve tail, a sleeve rod, a socket head, a pressing rod, a transmission rod, a fixing column and a spring. The center of the top of the sleeve tail is provided with the sleeve rod, and the center of the top of the sleeve rod is provided with the socket head, and the socket head is sleeved on the top part of the sleeve rod, so that the sleeve tail, the sleeve rod and the socket head are concentric and no deviation will occur. The pressing rod is installed inside the sleeve rod and penetrates out, the transmission rod is installed at the center inside the sleeve rod, the fixing column is installed in the upper part hole of the sleeve rod, and the spring connects the transmission rod and the inner wall of the sleeve rod.

[0005] The sleeve tail includes a sleeve tail body, a hexagon body, a mating hole and a conical head. The top and bottom of the sleeve tail body are respectively provided with a conical head and a hexagon body. The hexagon body can be adapted to a wrench to adapt to various situations, and the mating hole is opened on the end face of the hexagon body.

[0006] The sleeve rod includes a sleeve rod body, a pressing hole, a mounting head, a limiting hole, a transmission hole and a first ejecting hole. The pressing hole is opened at the bottom of the sleeve rod body, the mounting head is installed at the center of the top of the sleeve rod body, the limiting hole is opened inside the sleeve rod body and is vertically communicated with the pressing hole, the transmission hole is opened at the center inside the sleeve rod body but does not penetrate the sleeve rod body, and at the same time, the transmission hole is vertically communicated with the pressing hole and is below the limiting hole, and the first ejecting hole is opened at the top of the mounting head and is vertically communicated with the transmission hole.

[0007] The socket head includes a socket head body, a mounting hole, a second ejection hole, and a bolt hole. A mounting hole is provided at the bottom of the socket head body, a bolt hole is provided at the top of the socket head body, and the second ejection hole is provided on the inner wall of the mounting hole.

[0008] The pressing rod includes a pressing rod body and a limiting rod, and the limiting rod is vertically installed on the pressing rod body.

[0009] The transmission rod includes a transmission rod body and a third ejection hole, and the third ejection hole is provided at the top of the transmission rod body.

[0010] Preferably, the bottoms of the pressing rod and the transmission rod are both obliquely cut cylindrical shapes and the pressing rod and the transmission rod cooperate with each other, so that vertical transmission can be achieved.

[0011] The limiting rod of the pressing rod is used in cooperation with the limiting hole of the sleeve rod; the fixing column is used in cooperation with the first ejection hole of the sleeve rod, the second ejection hole of the socket head, and the third ejection hole of the transmission rod; the spring is specifically connected to the upper end surface of the transmission rod and the top inner wall of the transmission hole of the sleeve rod; the mounting head of the sleeve rod is fitted and installed with the mounting hole of the socket head.

[0012] Working principle: Taking the ceramic cap as an example, after installing the present utility model, insert the socket head into the screw protruding from the inside of the ceramic cap. Align the bolt hole on the socket head with the bolt, and then install it into the mating hole at the end of the sleeve through an air gun or an electric bolt gun, and tighten the bolt. When it is desired to replace the socket head, press the pressing rod. Under the action of the limiting rod, only a part can be pressed down. Then the transmission rod moves forward, and the third ejection hole on the transmission rod matches the fixing column, and the fixing column descends, and the socket head can be taken out. After installing the new socket head, release the hand pressing the pressing rod, and due to the spring, the transmission rod pops back and the pressing rod returns to its original state.

[0013] The beneficial effects of the present utility model are as follows:

[0014] 1. The socket head can be finely processed, adapt to more different scenarios, and has high applicability.

[0015] 2. The socket head can be replaced and can cooperate with bolts of different models, having interchangeability.

[0016] 3. Under the action of the pressing rod, the transmission rod and the fixing column, the replaced socket head can be fixed well and no falling or other situations will occur, having high safety.

[0017] 4. Both an air gun or an electric bolt gun can be used for tightening on the sleeve tail, and a wrench can also be used for tightening, adapting to different scenarios. At the same time, it can also save human effort and reduce the burden. Description of the Drawings

[0018] Figure 1 It is a schematic structural diagram of the present utility model;

[0019] Figure 2 Schematic diagram of the structure of the sleeve tail;

[0020] Figure 3 Schematic diagram of the structure of the sleeve rod;

[0021] Figure 4 Schematic diagram of the structure of the sleeve head;

[0022] Figure 5 Schematic diagram of the structure of the pressing rod;

[0023] Figure 6 Schematic diagram of the structure of the transmission rod;

[0024] In the figure: 1 is the sleeve tail; 2 is the sleeve rod; 3 is the sleeve head; 4 is the pressing rod; 5 is the transmission rod; 6 is the fixing column; 7 is the spring; 8 is the ceramic cap; 11 is the sleeve tail body; 12 is the hexagon; 13 is the mating hole; 14 is the conical head; 21 is the sleeve rod body; 22 is the pressing hole; 23 is the mounting head; 24 is the limiting hole; 25 is the transmission hole; 26 is the first outlet hole; 31 is the sleeve head body; 32 is the mounting hole; 33 is the second ejection hole; 34 is the bolt hole; 41 is the pressing rod body; 42 is the limiting rod; 51 is the transmission rod body; 52 is the third ejection hole. Specific implementation mode

[0025] The following further describes the embodiments of the present invention in conjunction with the accompanying drawings:

[0026] Embodiment 1

[0027] As Figures 1 - 6 shown, the present invention includes a sleeve tail 1, a sleeve rod 2, a sleeve head 3, a pressing rod 4, a transmission rod 5, a fixing column 6 and a spring 7. The sleeve rod 2 is installed at the center of the top of the sleeve tail 1, and the sleeve head 3 is installed at the center of the top of the sleeve rod 2 and the sleeve head 3 is sleeved on a partial position at the top of the sleeve rod 2, so that the sleeve tail 1, the sleeve rod 2 and the sleeve head 3 can be concentric and no deviation will occur. The pressing rod 4 is installed inside the sleeve rod 2 and penetrates out, the transmission rod 5 is installed at the central position inside the sleeve rod 2, the fixing column 6 is installed in the upper part hole of the sleeve rod 2, and the spring 7 connects the transmission rod 5 and the inner wall of the sleeve rod 2.

[0028] The sleeve tail 1 includes a sleeve tail body 11, a hexagon 12, a mating hole 13 and a conical head 14. The conical head 14 and the hexagon 12 are respectively arranged at the top and bottom of the sleeve tail body 11. The hexagon 12 can be adapted to a wrench to adapt to various situations, and the mating hole 13 is opened on the end face of the hexagon 12.

[0029] The sleeve rod 2 includes a sleeve rod body 21, a pressing hole 22, a mounting head 23, a limiting hole 24, a transmission hole 25, and a first ejecting hole 26. A pressing hole 22 is formed at the bottom of the sleeve rod body 21. A mounting head 23 is installed at the center of the top of the sleeve rod body 21. The limiting hole 24 is formed inside the sleeve rod body 21 and is vertically communicated with the pressing hole 22. The transmission hole 25 is formed at the central position inside the sleeve rod body 21 but does not penetrate the sleeve rod body 21. At the same time, the transmission hole 25 is vertically communicated with the pressing hole 22 and is below the limiting hole 24. The first ejecting hole 26 is formed at the top of the mounting head 23 and is vertically communicated with the transmission hole 25.

[0030] The sleeve head 3 includes a sleeve head body 31, a mounting hole 32, a second ejecting hole 33, and a bolt hole 34. A mounting hole 32 is formed at the bottom of the sleeve head body 31. A bolt hole 34 is formed at the top of the sleeve head body 31. The second ejecting hole 33 is formed on the inner wall of the mounting hole 32.

[0031] The pressing rod 4 includes a pressing rod body 41 and a limiting rod 42. The limiting rod 42 is vertically installed on the pressing rod body 41.

[0032] The transmission rod 5 includes a transmission rod body 51 and a third ejecting hole 52. The third ejecting hole 52 is formed at the top of the transmission rod body 51.

[0033] The bottoms of the pressing rod 4 and the transmission rod 5 are both obliquely cut cylindrical shapes and the pressing rod 4 and the transmission rod 5 cooperate with each other so that vertical transmission can be achieved.

[0034] The limiting rod 42 of the pressing rod 4 is used in cooperation with the limiting hole 24 of the sleeve rod 2; the fixing column 6 is used in cooperation in the first ejecting hole 26 of the sleeve rod 2, the second ejecting hole 33 of the sleeve head 3, and the third ejecting hole 52 of the transmission rod 5; the spring 7 is specifically connected to the upper end surface of the transmission rod 5 and the top inner wall of the transmission hole 25 of the sleeve rod 2; the mounting head 23 of the sleeve rod 2 is installed in cooperation with the mounting hole 32 of the sleeve head 3.

[0035] Taking the ceramic cap 8 as an example, after the present utility model is installed, the sleeve head 3 is inserted into the screw extending out inside the ceramic cap 8. The bolt hole 34 on the sleeve head 3 is aligned with the bolt, and then it is installed in the mating hole 13 of the sleeve tail 1 through an air gun or an electric bolt gun, and the bolt is tightened. When the sleeve head 3 needs to be replaced, the pressing rod 4 is pressed. Under the action of the limiting rod 42, it can only be pressed down by a part. Then the transmission rod 5 moves forward, the third ejecting hole 52 on the transmission rod 5 matches the fixing column 6, and the fixing column 6 descends, so that the sleeve head 3 can be taken out. After installing the new sleeve head 3, release the hand pressing the pressing rod 4. Due to the spring 7, the transmission rod 5 pops back and the pressing rod 4 returns to its original state.

Claims

1. A special sleeve, comprising a ceramic cap (8), characterized in that, It also includes a sleeve tail (1), a sleeve rod (2), a sleeve head (3), a pressing rod (4), a transmission rod (5), a fixing column (6) and a spring (7). The sleeve rod (2) is installed at the center of the top of the sleeve tail (1). The sleeve head (3) is installed at the center of the top of the sleeve rod (2) and the sleeve head (3) is sleeved on the top part of the sleeve rod (2). The pressing rod (4) is installed inside the sleeve rod (2) and penetrates out. The transmission rod (5) is installed at the center inside the sleeve rod (2). The fixing column (6) is installed in the upper part hole of the sleeve rod (2). The spring (7) connects the transmission rod (5) and the inner wall of the sleeve rod (2).

2. The special sleeve according to claim 1, wherein The sleeve tail (1) includes a sleeve tail body (11), a hexagonal body (12), a mating hole (13) and a conical head (14). A conical head (14) and a hexagonal body (12) are respectively arranged at the top and bottom of the sleeve tail body (11). The mating hole (13) is opened on the end face of the hexagonal body (12).

3. The special sleeve according to claim 1, characterized in that, The sleeve rod (2) includes a sleeve rod body (21), a pressing hole (22), a mounting head (23), a limiting hole (24), a transmission hole (25) and a first ejecting hole (26). The pressing hole (22) is opened at the bottom of the sleeve rod body (21). The mounting head (23) is installed at the center of the top of the sleeve rod body (21). The limiting hole (24) is opened inside the sleeve rod body (21) and is vertically communicated with the pressing hole (22). The transmission hole (25) is opened at the center inside the sleeve rod body (21) but does not penetrate the sleeve rod body (21). At the same time, the transmission hole (25) is vertically communicated with the pressing hole (22) and is below the limiting hole (24). The first ejecting hole (26) is opened at the top of the mounting head (23) and is vertically communicated with the transmission hole (25).

4. A special sleeve according to claim 1, wherein, The sleeve head (3) includes a sleeve head body (31), a mounting hole (32), a second ejecting hole (33) and a bolt hole (34). The mounting hole (32) is opened at the bottom of the sleeve head body (31). The bolt hole (34) is opened at the top of the sleeve head body (31). The second ejecting hole (33) is opened on the inner wall of the mounting hole (32).

5. A special sleeve according to claim 1, wherein, The pressing rod (4) includes a pressing rod body (41) and a limiting rod (42). The limiting rod (42) is vertically installed on the pressing rod body (41).

6. The special sleeve according to claim 1, wherein, The transmission rod (5) includes a transmission rod body (51) and a third ejecting hole (52). The third ejecting hole (52) is opened at the top of the transmission rod body (51).

7. The special sleeve according to claim 1, wherein, The bottoms of the pressing rod (4) and the transmission rod (5) are both beveled cylindrical and the pressing rod (4) and the transmission rod (5) cooperate with each other.

8. The special sleeve according to claim 1, wherein The limiting rod (42) of the pressing rod (4) is used in cooperation with the limiting hole (24) of the sleeve rod (2); the fixing column (6) is used in cooperation in the first ejecting hole (26) of the sleeve rod (2), the second ejecting hole (33) of the sleeve head (3) and the third ejecting hole (52) of the transmission rod (5); the spring (7) is specifically connected to the upper end face of the transmission rod (5) and the top inner wall of the transmission hole (25) of the sleeve rod (2); the mounting head (23) of the sleeve rod (2) is installed in cooperation with the mounting hole (32) of the sleeve head (3).

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