Adjustable F wrench

Abstract

The utility model belongs to the technical field of F wrenches, and particularly relates to an adjustable F wrench which comprises a fixed claw and a movable claw, a guide column is slidably connected in the fixed claw, the movable claw is fixedly connected to the top of the guide column, a first spring is arranged in the fixed claw, and a first fixing block is fixedly connected to the left side of the movable claw. A second fixing block is fixedly connected to the left side of the fixing claw, an adjusting sleeve is installed in the second fixing block through a bearing, and the adjusting sleeve penetrates through the second fixing block. According to the utility model, the combination of the fixed claw and the movable claw is arranged, the fixed claw and the movable claw are elastically connected through the guide post and the spring, in addition, the fixed block I and the fixed block II are arranged beside the fixed claw and the movable claw, and the threaded connection combination of the adjusting rod and the adjusting sleeve is arranged between the fixed block I and the fixed block II; the distance between the fixed claw and the movable claw can be controlled through threaded adjustment of the adjusting rod and the adjusting sleeve, and therefore the usable range of the wrench is widened.

Description

Technical Field

[0001] This utility model relates to the field of F-wrench technology, specifically an adjustable F-wrench. Background Technology

[0002] An F-wrench is a tool used to tighten or loosen nuts, bolts, or other threaded parts; it is usually made of metal.

[0003] The utility model patent with publication number CN202448071U discloses a wrench consisting of two short cylinders and one long cylinder. The short cylinders are perpendicular to the long cylinder and are placed at one end of the long cylinder. There is a retaining groove between the two short cylinders, and the short cylinders and the long cylinder form an F-shape. This wrench is safe and labor-saving, and can easily open valves.

[0004] Existing F-wrenches come in various models to meet the needs of different standard parts; however, a single model of F-wrench is only suitable for standard parts of a single size, resulting in poor applicability. Therefore, improvements are needed. Utility Model Content

[0005] The purpose of this invention is to provide an adjustable F-wrench, which solves the problem that a single model of F-wrench is only applicable to standard parts of a single size and has poor applicability.

[0006] To achieve the above objectives, this utility model provides the following technical solution: an adjustable F-wrench, comprising a fixed claw and a movable claw, wherein a guide post is slidably connected inside the fixed claw, and a movable claw is fixedly connected to the top of the guide post; a spring is provided inside the fixed claw; a fixed block is fixedly connected to the left side of the movable claw; a fixed block is fixedly connected to the left side of the fixed claw; an adjusting sleeve is installed inside the fixed block through a bearing, and the adjusting sleeve passes through the fixed block; an adjusting rod is fixedly connected to the bottom of the fixed block, and the adjusting rod passes through the adjusting sleeve and is threadedly connected to the adjusting sleeve; a lubrication mechanism is provided inside the adjusting sleeve.

[0007] Preferably, both the fixed claw and the movable claw are fitted with rubber pads. These rubber pads reduce the risk of hard scratches on the object.

[0008] Preferably, one end of the first spring is fixedly connected to the guide post, and the other end of the first spring is fixedly connected to the inner surface of the fixed claw. By using the first spring, the reaction force can be applied to the movable claw.

[0009] Preferably, a limiting block is fixedly connected to the lower end of the adjusting rod, and the limiting block and the adjusting rod are an integral structure. The limiting block limits the axial travel of the adjusting rod.

[0010] Preferably, the lubrication mechanism includes an oil-retaining sponge slidably connected inside the adjusting sleeve. One side of the oil-retaining sponge contacts a pressure plate, and a push rod is fixedly connected to the pressure plate. The push rod passes through the adjusting sleeve and is slidably connected to it. A pressing block is fixedly connected to the end of the push rod. A second spring is sleeved on the outer side of the push rod. One end of the second spring is fixedly connected to the pressure plate, and the other end is fixedly connected to the inner surface of the adjusting sleeve. An oil outlet hole is provided inside the adjusting sleeve. Through the lubrication mechanism, the threaded connection between the adjusting sleeve and the adjusting rod is lubricated, thereby ensuring smooth wrench adjustment and preventing jamming.

[0011] Preferably, a rubber stopper is fixedly connected to the pressure plate, the rubber stopper penetrating the pressure plate and slidably connected to it. The rubber stopper can move with the pressure plate, and when it retracts into the adjusting sleeve, lubricating oil can be added to the adjusting sleeve from the position where it penetrates the adjusting sleeve.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0013] 1. This utility model sets up a combination of fixed claw and movable claw, which are elastically connected by guide post and spring. In addition, fixed block one and fixed block two are set on the side of them. An adjusting rod and adjusting sleeve are threadedly connected between fixed block one and fixed block two. In this way, the distance between fixed claw and movable claw can be controlled by adjusting the thread of the adjusting rod and adjusting sleeve, thereby increasing the usable range of the wrench.

[0014] 2. This utility model provides a lubrication mechanism within the adjusting sleeve. The oil storage sponge in the lubrication mechanism can store a certain amount of lubricating oil. By pressing the push rod with the pressing block, the pressure plate at the end of the push rod squeezes the oil storage sponge, thereby adding the lubricating oil through the oil outlet hole to the threaded connection between the adjusting sleeve and the adjusting rod, thus ensuring smooth wrench adjustment and preventing jamming. Attached Figure Description

[0015] Figure 1 This is a perspective view of the overall structure of this utility model;

[0016] Figure 2 For the present utility model Figure 1 A partial structural diagram;

[0017] Figure 3 For the present utility model Figure 1 A front sectional view;

[0018] Figure 4 For the present utility model Figure 3 Enlarged view of the structure at point A.

[0019] In the diagram: 1. Fixed claw; 2. Guide post; 3. Movable claw; 4. Rubber pad; 5. Spring 1; 6. Fixed block 1; 7. Adjusting rod; 8. Fixed block 2; 9. Lubrication mechanism; 10. Adjusting sleeve; 11. Limiting block; 91. Oil storage sponge; 92. Pressure plate; 93. Push rod; 94. Pressing block; 95. Spring 2; 96. Rubber plug; 97. Oil outlet. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Please see Figure 1-3 An adjustable F-type wrench includes a fixed claw 1 and a movable claw 3. A guide post 2 is slidably connected inside the fixed claw 1, and the movable claw 3 is fixedly connected to the top of the guide post 2. Both the fixed claw 1 and the movable claw 3 have rubber pads 4 adhered to them. The rubber pads 4 reduce the risk of hard scratches on objects. A spring 5 is installed inside the fixed claw 1. One end of the spring 5 is fixedly connected to the guide post 2, and the other end is fixedly connected to the inner surface of the fixed claw 1. The spring 5 allows the reaction force to be applied to the movable claw 3.

[0022] Please see Figure 1-4 A fixing block 6 is fixedly connected to the left side of the movable claw 3, and a fixing block 8 is fixedly connected to the left side of the fixed claw 1. An adjusting sleeve 10 is installed inside the fixing block 8 via a bearing, and the adjusting sleeve 10 passes through the fixing block 8. An adjusting rod 7 is fixedly connected to the bottom of the fixing block 6, and the adjusting rod 7 passes through the adjusting sleeve 10 and is threadedly connected to the adjusting sleeve 10. A limit block 11 is fixedly connected to the lower end of the adjusting rod 7, and the limit block 11 and the adjusting rod 7 are an integral structure. The limit block 11 limits the axial travel of the adjusting rod 7.

[0023] Please see Figure 4The adjusting sleeve 10 is equipped with a lubrication mechanism 9. The lubrication mechanism 9 lubricates the threaded connection between the adjusting sleeve 10 and the adjusting rod 7, thereby ensuring smooth wrench adjustment and preventing jamming. The lubrication mechanism 9 includes an oil storage sponge 91 slidably connected inside the adjusting sleeve 10. One side of the oil storage sponge 91 contacts a pressure plate 92. A push rod 93 is fixedly connected to the pressure plate 92. The push rod 93 passes through the adjusting sleeve 10 and is slidably connected to the adjusting sleeve 10. A pressing block 94 is fixedly connected to the end of the push rod 93. A second spring 95 is sleeved on the outside of the push rod 93. One end of the second spring 95 is fixedly connected to the pressure plate 92, and the other end of the second spring 95 is fixedly connected to the inner surface of the adjusting sleeve 10. An oil outlet hole 97 is opened inside the adjusting sleeve 10. The position of the oil outlet hole 97 corresponds to the adjusting rod 7 and the oil storage sponge 91. A rubber stopper 96 is fixedly connected to the pressure plate 92. The rubber stopper 96 passes through the pressure plate 92 and is slidably connected to the pressure plate 92. The rubber stopper 96 can move with the tablet 92. When it retracts into the adjusting sleeve 10, lubricating oil can be added to the adjusting sleeve 10 from the position where it passes through the adjusting sleeve 10.

[0024] The specific implementation process of this utility model is as follows: When in use, the adjusting sleeve 10 is screwed on, and the adjusting rod 7 generates an axial position through the threaded movement between it and the adjusting sleeve 10. At the same time, the adjusting rod 7 drives the movable claw 3 to move through the fixed block 6. Under the guidance of the guide post 2, the distance between the movable claw 3 and the fixed claw 1 is adjusted, thereby increasing the usable range of the wrench. In addition, the push rod 93 is pushed by the pressing block 94, and the pressure plate 92 at the end of the push rod 93 squeezes the oil storage sponge 91, thereby adding lubricating oil through the oil outlet 97 to the threaded connection between the adjusting sleeve 10 and the adjusting rod 7, thus ensuring smooth adjustment of the wrench and preventing jamming.

[0025] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An adjustable F wrench comprising a fixed jaw (1) and a movable jaw (3), characterized in that: The inside of the fixed claw (1) is slidably connected with a guide column (2), the top of the guide column (2) is fixedly connected with a movable claw (3), the inside of the fixed claw (1) is provided with a spring one (5), the left side of the movable claw (3) is fixedly connected with a fixed block one (6), the left side of the fixed claw (1) is fixedly connected with a fixed block two (8), the inside of the fixed block two (8) is mounted with an adjusting sleeve (10) through a bearing, and the adjusting sleeve (10) is arranged through the fixed block two (8), the bottom of the fixed block one (6) is fixedly connected with an adjusting rod (7), the adjusting rod (7) penetrates through the adjusting sleeve (10) and is connected with the adjusting sleeve (10) through a thread, the inside of the adjusting sleeve (10) is provided with a lubricating mechanism (9); The lubricating mechanism (9) comprises an oil storage sponge (91) slidably connected in the inside of the adjusting sleeve (10), one side of the oil storage sponge (91) is in contact with a pressing sheet (92), the pressing sheet (92) is fixedly connected with a push rod (93), the push rod (93) penetrates through the adjusting sleeve (10) and is slidably connected with the adjusting sleeve (10), the tail end of the push rod (93) is fixedly connected with a pressing block (94), the outer side of the rod body of the push rod (93) is sleeved with a spring two (95), one end of the spring two (95) is fixedly connected with the pressing sheet (92), the other end of the spring two (95) is fixedly connected to the inner surface of the adjusting sleeve (10), the inside of the adjusting sleeve (10) is provided with an oil outlet hole (97).

2. The adjustable F wrench of claim 1, wherein: The fixed claw (1) and the movable claw (3) are all bonded with rubber pads (4), and the rubber pads (4) are made of rubber material.

3. The adjustable F wrench of claim 1, wherein: One end of the spring one (5) is fixedly connected with the guide column (2), and the other end of the spring one (5) is fixedly connected to the inner surface of the fixed claw (1).

4. The adjustable F-handle of claim 1, wherein: The lower end of the adjusting rod (7) is fixedly connected with a limiting block (11), and the limiting block (11) and the adjusting rod (7) are of an integral structure.

5. The adjustable F-handle of claim 1, wherein: The pressing sheet (92) is fixedly connected with a rubber plug (96), and the rubber plug (96) penetrates through the pressing sheet (92) and is slidably connected with the pressing sheet (92).

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