Socket head of socket spanner

Abstract

The utility model relates to the technical field of wrenches, and discloses a socket head of a socket wrench, the socket head of the socket wrench comprises a main rod, a sleeve head and an extension rod, the top end of the main rod is fixedly connected with two fixing blocks, a connecting block is rotatably connected between the two fixing blocks, the surface of the connecting block is provided with three slots, and the extension rod is fixedly connected with the sleeve head. Three movable grooves are formed in the side face of the sleeve head, inserting rods are slidably connected into the three movable grooves in a sleeved mode, the inserting rods are matched with the inserting grooves, first springs are fixedly connected to one ends of the outer portions of the three inserting rods in a sleeved mode, the two side faces of the connecting block are each provided with a circle of clamping groove, and the side faces of the two fixing blocks are each provided with an empty groove. When the wrench is used, the sleeve head can be rapidly mounted and dismounted, replacement can be conveniently conducted according to different screws, use is convenient, the applicability is high, meanwhile, the angle and length of a force arm can be adjusted, and more labor is saved for a user.

Description

Technical Field

[0001] The utility model relates to the technical field of wrenches, in particular to a socket head of a socket wrench. Background Art

[0002] Socket wrenches are generally called sockets. They are composed of multiple sockets with hexagonal or twelve-angle holes and are equipped with a variety of accessories such as handles and connecting rods. They are particularly suitable for turning bolts or nuts in very narrow or deep recesses.

[0003] A socket head device of a socket wrench with a search announcement number of CN 218462049 U comprises: a socket head (1) having a cylindrical body, one end of the socket head (1) being a side-opening inner wrench structure, the side of which is an open structure, the interior of which has an inner wrench structure for engaging and rotating, and the other end of the socket head (1) being provided with a notch (3). The utility model can not only be used for disassembling bolts or nuts with very narrow positions or deep recesses, but also solves the problem of difficulty in disassembly and assembly when there is no construction space on one side of the nut, reduces the difficulty of work, and improves production efficiency.

[0004] However, the above device still has some shortcomings during use. The nuts come in various sizes, which makes it inconvenient to replace the socket head according to the type and size of the nut. It is also inconvenient to continue to adjust the length of the handle, which makes it inconvenient to use in some deep and narrow places. It is also inconvenient to adjust the angle of the socket. When some nuts are tightened, it is inconvenient to turn the wrench for installation and disassembly. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a socket head for a socket wrench, which solves the problem that nuts have various sizes, it is inconvenient to replace the socket head according to the type and size of the nut, it is inconvenient to continue to adjust the length of the handle, and it is not convenient to use in some deep and narrow places. At the same time, it is not convenient to adjust the angle of the socket. When some nuts are tightened, it is inconvenient to turn the wrench for installation and disassembly.

[0006] The utility model provides the following technical scheme: a socket head of a socket wrench, comprising a main rod, a socket head, and an extension rod, the top end of the main rod being fixedly connected to two fixed blocks, a connecting block being rotatably connected between the two fixed blocks, the surface of the connecting block being provided with three slots, the side surface of the socket head being provided with three movable grooves, the interiors of the three movable grooves being slidably sleeved with plug rods, the plug rods matching the slots, the outer ends of the three plug rods being fixedly sleeved with a first spring, the two side surfaces of the connecting block being provided with a circle of slots, the side surfaces of the two fixed blocks being provided with empty slots, the interiors of the two empty slots being slidably sleeved with plug rods, the plug rods matching the slots, the outer ends of the two plug rods being fixedly sleeved with a second spring, the lower surface of the socket head being provided with a groove, the groove corresponding to the connecting block.

[0007] Preferred technical solution 1: A plurality of third springs are fixedly connected to the top of the connecting block, and abutment plates are fixedly connected to the tops of the plurality of third springs.

[0008] This solution can make the abutment plate and the inner wall of the sleeve tightly abut against each other to avoid shaking.

[0009] Preferred technical solution 2: the outer surface of the main rod is provided with an external thread, the inner wall of the extension rod is provided with an internal thread, and the main rod and the extension rod are connected via the external thread and the internal thread.

[0010] This solution can facilitate the adjustment of the length of the main rod and the extension rod, facilitate the adjustment of the length of the lever arm, and is easy to use.

[0011] Preferred technical solution three: an anti-friction pad is fixedly adhered to the upper surface of the sleeve, the anti-friction pad is provided with a hole consistent with that on the sleeve, and the anti-friction pad is made of rubber.

[0012] This solution can prevent the rotating sleeve from damaging the surface of the fastener.

[0013] Preferred technical solution four: a storage box is provided at the bottom end of the extension rod, a movable cover is provided on the storage box, and a lock is provided on the movable cover.

[0014] This solution can facilitate the carrying and storage of multiple hoods, thus preventing the hoods from being damaged when not in use.

[0015] Preferred technical solution five: A rubber protective sleeve is provided on the surface of the extension rod, and a mesh anti-slip pattern is provided on the rubber protective sleeve.

[0016] This solution can facilitate the user to rotate the extension rod.

[0017] Compared with the prior art, the utility model provides a socket head of a socket wrench, which has the following beneficial effects: when in use, the movable cover is opened, and then the socket head in the storage box is taken out, and then the three insertion rods are pulled outward, and then the groove below the socket head is installed on the connecting block, and then it is pressed downward with force, and then the three insertion rods are loosened so that they are inserted into the inside of the slot under the elastic force of the first spring, so that the socket head and the connecting block and the main rod are connected, and then it can be used. When the socket head needs to be disassembled and replaced, it only needs to reverse the above operation, and the socket head can be quickly disassembled and replaced, which is convenient and fast, and has strong applicability. When disassembling and installing screws, it can be pulled outward. The clamping rod disengages it from the inside of the clamping slot, and then the connecting block and the sleeve can be rotated. After the adjustment is completed, the clamping rod is opened and reinserted into the inside of the clamping slot under the elastic force of the second spring to be locked, thereby changing the direction of the main rod and the sleeve, and changing the direction of the force arm, which is convenient for users to use according to different usage scenarios and saves effort. At the same time, the length of the main rod and the extension rod can be increased or shortened by rotating the extension rod, thereby adjusting the length of the force arm, which is convenient for use. The wrench can quickly install and disassemble the sleeve when in use, which is convenient for replacement according to different screws. It is easy to use and has strong applicability. At the same time, the angle and length of the force arm can be adjusted, which is convenient for users to save effort. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0019] Figure 2 For the utility model Figure 1 A is an enlarged view of the structure;

[0020] Figure 3 For the utility model Figure 1 A magnified view of the structure of B.

[0021] In the figure: 1. main rod; 2. sleeve; 3. fixed block; 4. connecting block; 5. slot; 6. movable slot; 7. plug rod; 8. first spring; 9. slot; 10. empty slot; 11. clamping rod; 12. rubber protective sleeve; 13. second spring; 14. groove; 15. third spring; 16. abutment plate; 17. external thread; 18. internal thread; 19. storage box; 20. anti-friction pad; 21. extension rod; 22. movable cover. DETAILED DESCRIPTION

[0022] See also Figure 1-3 ,

[0023] Embodiment 1: A socket head of a socket wrench comprises a main rod 1, a socket head 2 and an extension rod 21. The top end of the main rod 1 is fixedly connected to two fixed blocks 3, a connecting block 4 is rotatably connected between the two fixed blocks 3, the surface of the connecting block 4 is provided with three slots 5, the side of the socket head 2 is provided with three movable grooves 6, the insides of the three movable grooves 6 are all slidably sleeved with plug rods 7, the plug rods 7 match the slots 5, the outer ends of the three plug rods 7 are all fixedly sleeved with a first spring 8, a circle of card grooves 9 are provided on both side surfaces of the connecting block 4, empty grooves 10 are provided on the sides of the two fixed blocks 3, card rods 11 are slidably sleeved inside the two empty grooves 10, the card rods 11 match the card grooves 9, the outer ends of the two card rods 11 are fixedly sleeved with a second spring 13, a groove 14 is provided on the lower surface of the socket head 2, and the groove 14 corresponds to the connecting block 4.

[0024] Embodiment 2: The difference between this embodiment and embodiment 1 is that, a plurality of third springs 15 are fixedly connected to the top of the connecting block 4, and abutment plates 16 are fixedly connected to the tops of the plurality of third springs 15, so that the abutment plates 16 are pressed tightly against the inner wall of the sleeve 2 to avoid shaking.

[0025] Embodiment 3: The difference between this embodiment and embodiment 1 is that the outer surface of the main rod 1 is provided with an external thread 17, and the inner wall of the extension rod 21 is provided with an internal thread 18. The main rod 1 and the extension rod 21 are connected by the external thread 17 and the internal thread 18, which is convenient for adjusting the length of the main rod 1 and the extension rod 21, and convenient for adjusting the length of the force arm, and convenient for use.

[0026] Embodiment 4: The difference between this embodiment and embodiment 1 is that an anti-friction pad 20 is fixedly adhered to the upper surface of the sleeve 2, and a hole consistent with that on the sleeve 2 is opened on the anti-friction pad 20. The anti-friction pad 20 is made of rubber material to prevent the rotating sleeve 2 from damaging the surface of the fastener.

[0027] Embodiment 5: The difference between this embodiment and embodiment 1 is that a storage box 19 is provided at the bottom end of the extension rod 21, and a movable cover 22 is provided on the storage box 19. The movable cover 22 is provided with a lock, which is convenient for carrying and storing multiple hoods 2 to avoid damage to the hoods 2 when not in use.

[0028] Embodiment 6: The difference between this embodiment and embodiment 1 is that a rubber protective sleeve 12 is provided on the surface of the extension rod 21 , and a mesh anti-skid pattern is provided on the rubber protective sleeve 12 to facilitate the user to rotate the extension rod 21 .

[0029] To sum up, when using the socket head of the socket wrench, open the movable cover 22, then take out the socket head 2 in the storage box 19, then pull the three insertion rods 7 outward, then install the groove 14 below the socket head 2 on the connecting block 4, then press downward with force, and then loosen the three insertion rods 7 so that they can be inserted into the inside of the slot 5 under the elastic force of the first spring 8, so that the socket head 2 and the connecting block 4 and the main rod 1 are connected, and then it can be used. When it is necessary to disassemble and replace the socket head 2, it is only necessary to perform the above operation in reverse, and the socket head 2 can be quickly disassembled and replaced. It is convenient and quick, and has strong applicability. When disassembling and installing screws, the clamping rod 11 can be pulled outward to disengage it from the clamping slot. 9, and then the connecting block 4 and the sleeve head 2 can be rotated. After the adjustment is completed, the card rod 11 is opened and reinserted into the card slot 9 under the elastic force of the second spring 13 to be locked, thereby changing the direction of the main rod 1 and the sleeve head 2, and changing the direction of the force arm, which is convenient for users to use according to different usage scenarios and saves effort. At the same time, the length of the main rod 1 and the extension rod 21 can be increased or shortened by rotating the extension rod 21, so as to adjust the length of the force arm, which is convenient to use. The wrench can quickly install and disassemble the sleeve head 2 when in use, which is convenient for replacement according to different screws, easy to use and has strong applicability. At the same time, the angle and length of the force arm can be adjusted, which is convenient for users to save effort.

Claims

1. A socket head of a socket wrench, comprising a main rod (1), a socket head (2), and an extension rod (21), characterized in that: The top end of the main rod (1) is fixedly connected to two fixed blocks (3), a connecting block (4) is rotatably connected between the two fixed blocks (3), the surface of the connecting block (4) is provided with three slots (5), the side of the sleeve (2) is provided with three movable grooves (6), the insides of the three movable grooves (6) are all slidably sleeved with plug rods (7), the plug rods (7) match the slots (5), and the outer ends of the three plug rods (7) are all fixedly sleeved with first springs (8). A circle of slots (9) are provided on both sides of the connecting block (4), and empty slots (10) are provided on the sides of the two fixing blocks (3). A clamping rod (11) is slidably sleeved inside the two empty slots (10), and the clamping rod (11) matches the slots (9). A second spring (13) is fixedly sleeved at one end of the outer side of the two clamping rods (11). A groove (14) is provided on the lower surface of the sleeve head (2), and the groove (14) corresponds to the connecting block (4).

2. The socket head of a socket wrench according to claim 1, characterized in that: A plurality of third springs (15) are fixedly connected to the top end of the connection block (4), and abutment plates (16) are fixedly connected to the top ends of the plurality of third springs (15).

3. The socket head of a socket wrench according to claim 1, characterized in that: The outer surface of the main rod (1) is provided with an external thread (17), the inner wall of the extension rod (21) is provided with an internal thread (18), and the main rod (1) and the extension rod (21) are connected via the external thread (17) and the internal thread (18).

4. The socket head of a socket wrench according to claim 1, characterized in that: An anti-friction pad (20) is fixedly bonded to the upper surface of the sleeve (2), and a hole consistent with that on the sleeve (2) is provided on the anti-friction pad (20), and the anti-friction pad (20) is made of rubber.

5. The socket head of a socket wrench according to claim 1, characterized in that: A storage box (19) is provided at the bottom end of the extension rod (21), a movable cover (22) is provided on the storage box (19), and a lock buckle is provided on the movable cover (22).

6. The socket head of a socket wrench according to claim 1, characterized in that: The surface of the extension rod (21) is provided with a rubber protective sleeve (12), and the rubber protective sleeve (12) is provided with mesh anti-slip patterns.

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